Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6

166 files changed, 11840 insertions, 2234 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 5ed6515..4f27e55 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -735,7 +735,7 @@ config SGI_IP27_RTC
 
 config GEN_RTC
 	tristate "Generic /dev/rtc emulation"
-	depends on RTC!=y && !IA64 && !ARM
+	depends on RTC!=y && !IA64 && !ARM && !PPC64
 	---help---
 	  If you say Y here and create a character special file /dev/rtc with
 	  major number 10 and minor number 135 using mknod ("man mknod"), you
@@ -929,6 +929,10 @@ config SCx200_GPIO
 
 	  If compiled as a module, it will be called scx200_gpio.
 
+config GPIO_VR41XX
+	tristate "NEC VR4100 series General-purpose I/O Unit support"
+	depends on CPU_VR41XX
+
 config RAW_DRIVER
 	tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)"
 	help
@@ -936,8 +940,8 @@ config RAW_DRIVER
 	  Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O. 
 	  See the raw(8) manpage for more details.
 
-          The raw driver is deprecated and may be removed from 2.7
-          kernels.  Applications should simply open the device (eg /dev/hda1)
+          The raw driver is deprecated and will be removed soon.
+          Applications should simply open the device (eg /dev/hda1)
           with the O_DIRECT flag.
 
 config HPET
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index e3f5c32..08f6928 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -40,7 +40,7 @@ obj-$(CONFIG_N_HDLC)		+= n_hdlc.o
 obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o
 obj-$(CONFIG_SX)		+= sx.o generic_serial.o
 obj-$(CONFIG_RIO)		+= rio/ generic_serial.o
-obj-$(CONFIG_HVC_CONSOLE)	+= hvc_console.o hvsi.o
+obj-$(CONFIG_HVC_CONSOLE)	+= hvc_console.o hvc_vio.o hvsi.o
 obj-$(CONFIG_RAW_DRIVER)	+= raw.o
 obj-$(CONFIG_SGI_SNSC)		+= snsc.o snsc_event.o
 obj-$(CONFIG_MMTIMER)		+= mmtimer.o
@@ -80,6 +80,7 @@ obj-$(CONFIG_PPDEV) += ppdev.o
 obj-$(CONFIG_NWBUTTON) += nwbutton.o
 obj-$(CONFIG_NWFLASH) += nwflash.o
 obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o
+obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o
 obj-$(CONFIG_TANBAC_TB0219) += tb0219.o
 
 obj-$(CONFIG_WATCHDOG)	+= watchdog/
diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index c1fe013..b4af87c 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -143,6 +143,7 @@ struct agp_bridge_data {
 	char major_version;
 	char minor_version;
 	struct list_head list;
+	u32 apbase_config;
 };
 
 #define KB(x)	((x) * 1024)
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 1407945..59f589d 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -686,6 +686,15 @@ static struct pci_device_id agp_amd64_pci_table[] = {
 	.subvendor	= PCI_ANY_ID,
 	.subdevice	= PCI_ANY_ID,
 	},
+	/* SIS 760 */
+	{
+	.class		= (PCI_CLASS_BRIDGE_HOST << 8),
+	.class_mask	= ~0,
+	.vendor		= PCI_VENDOR_ID_SI,
+	.device		= PCI_DEVICE_ID_SI_760,
+	.subvendor	= PCI_ANY_ID,
+	.subdevice	= PCI_ANY_ID,
+	},
 	{ }
 };
 
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 51266d6..1f7d415 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -1047,9 +1047,15 @@ static int intel_845_configure(void)
 	/* aperture size */
 	pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
 
-	/* address to map to */
-	pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp);
-	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
+	if (agp_bridge->apbase_config != 0) {
+		pci_write_config_dword(agp_bridge->dev, AGP_APBASE,
+				       agp_bridge->apbase_config);
+	} else {
+		/* address to map to */
+		pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp);
+		agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
+		agp_bridge->apbase_config = temp;
+	}
 
 	/* attbase - aperture base */
 	pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 1dc4259..2a36561 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -861,13 +861,18 @@ static void change_speed(struct async_struct *info,
 
 static void rs_put_char(struct tty_struct *tty, unsigned char ch)
 {
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
+	struct async_struct *info;
 	unsigned long flags;
 
+	if (!tty)
+		return;
+
+	info = tty->driver_data;
+
 	if (serial_paranoia_check(info, tty->name, "rs_put_char"))
 		return;
 
-	if (!tty || !info->xmit.buf)
+	if (!info->xmit.buf)
 		return;
 
 	local_irq_save(flags);
@@ -910,13 +915,18 @@ static void rs_flush_chars(struct tty_struct *tty)
 static int rs_write(struct tty_struct * tty, const unsigned char *buf, int count)
 {
 	int	c, ret = 0;
-	struct async_struct *info = (struct async_struct *)tty->driver_data;
+	struct async_struct *info;
 	unsigned long flags;
 
+	if (!tty)
+		return 0;
+
+	info = tty->driver_data;
+
 	if (serial_paranoia_check(info, tty->name, "rs_write"))
 		return 0;
 
-	if (!tty || !info->xmit.buf || !tmp_buf)
+	if (!info->xmit.buf || !tmp_buf)
 		return 0;
 
 	local_save_flags(flags);
@@ -1963,10 +1973,6 @@ static _INLINE_ void show_serial_version(void)
 }
 
 
-int register_serial(struct serial_struct *req);
-void unregister_serial(int line);
-
-
 static struct tty_operations serial_ops = {
 	.open = rs_open,
 	.close = rs_close,
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 6bf2e27..11f9ee5 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -599,7 +599,7 @@ static ssize_t ac_read (struct file *filp, char __user *buf, size_t count, loff_
 
 #ifdef DEBUG
 		if (loopcount++ > 2) {
-			printk("Looping in ac_read. loopcount %d\n", loopcount);
+			printk(KERN_DEBUG "Looping in ac_read. loopcount %d\n", loopcount);
 		}
 #endif
 	} 
diff --git a/drivers/char/drm/Kconfig b/drivers/char/drm/Kconfig
index d9a0299..123417e 100644
--- a/drivers/char/drm/Kconfig
+++ b/drivers/char/drm/Kconfig
@@ -6,7 +6,7 @@
 #
 config DRM
 	tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
-	depends on AGP || AGP=n
+	depends on (AGP || AGP=n) && PCI
 	help
 	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
 	  introduced in XFree86 4.0. If you say Y here, you need to select
@@ -96,3 +96,10 @@ config DRM_SIS
           chipset. If M is selected the module will be called sis. AGP
           support is required for this driver to work.
 
+config DRM_VIA
+	tristate "Via unichrome video cards"
+	depends on DRM
+	help
+	  Choose this option if you have a Via unichrome or compatible video
+	  chipset. If M is selected the module will be called via.
+
diff --git a/drivers/char/drm/Makefile b/drivers/char/drm/Makefile
index 23ab263..ddd94104 100644
--- a/drivers/char/drm/Makefile
+++ b/drivers/char/drm/Makefile
@@ -18,6 +18,15 @@ i915-objs   := i915_drv.o i915_dma.o i915_irq.o i915_mem.o
 radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o
 ffb-objs    := ffb_drv.o ffb_context.o
 sis-objs    := sis_drv.o sis_ds.o sis_mm.o
+via-objs    := via_irq.o via_drv.o via_ds.o via_map.o via_mm.o via_dma.o via_verifier.o via_video.o
+
+ifeq ($(CONFIG_COMPAT),y)
+drm-objs    += drm_ioc32.o
+radeon-objs += radeon_ioc32.o
+mga-objs    += mga_ioc32.o
+r128-objs   += r128_ioc32.o
+i915-objs   += i915_ioc32.o
+endif
 
 obj-$(CONFIG_DRM)	+= drm.o
 obj-$(CONFIG_DRM_GAMMA) += gamma.o
@@ -30,4 +39,5 @@ obj-$(CONFIG_DRM_I830)	+= i830.o
 obj-$(CONFIG_DRM_I915)  += i915.o
 obj-$(CONFIG_DRM_FFB)   += ffb.o
 obj-$(CONFIG_DRM_SIS)   += sis.o
+obj-$(CONFIG_DRM_VIA)	+=via.o
 
diff --git a/drivers/char/drm/ati_pcigart.c b/drivers/char/drm/ati_pcigart.c
index fdca187..0aec5ef 100644
--- a/drivers/char/drm/ati_pcigart.c
+++ b/drivers/char/drm/ati_pcigart.c
@@ -52,7 +52,7 @@
 # define ATI_MAX_PCIGART_PAGES		8192	/**< 32 MB aperture, 4K pages */
 # define ATI_PCIGART_PAGE_SIZE		4096	/**< PCI GART page size */
 
-unsigned long drm_ati_alloc_pcigart_table( void )
+static unsigned long drm_ati_alloc_pcigart_table( void )
 {
 	unsigned long address;
 	struct page *page;
diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h
index 5873052..e8371dd 100644
--- a/drivers/char/drm/drm.h
+++ b/drivers/char/drm/drm.h
@@ -38,7 +38,9 @@
 #define _DRM_H_
 
 #if defined(__linux__)
+#if defined(__KERNEL__)
 #include <linux/config.h>
+#endif
 #include <asm/ioctl.h>		/* For _IO* macros */
 #define DRM_IOCTL_NR(n)		_IOC_NR(n)
 #define DRM_IOC_VOID		_IOC_NONE
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 21f4c54..5df09cc 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -316,6 +316,9 @@ do {									\
 typedef int drm_ioctl_t( struct inode *inode, struct file *filp,
 			 unsigned int cmd, unsigned long arg );
 
+typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
+			       unsigned long arg);
+
 typedef struct drm_ioctl_desc {
 	drm_ioctl_t	     *func;
 	int		     auth_needed;
@@ -771,37 +774,28 @@ extern int           drm_cpu_valid( void );
 				/* Driver support (drm_drv.h) */
 extern int           drm_init(struct drm_driver *driver);
 extern void          drm_exit(struct drm_driver *driver);
-extern int           drm_version(struct inode *inode, struct file *filp,
-				  unsigned int cmd, unsigned long arg);
 extern int           drm_ioctl(struct inode *inode, struct file *filp,
 				unsigned int cmd, unsigned long arg);
+extern long	     drm_compat_ioctl(struct file *filp,
+				unsigned int cmd, unsigned long arg);
 extern int           drm_takedown(drm_device_t * dev);
 
 				/* Device support (drm_fops.h) */
 extern int           drm_open(struct inode *inode, struct file *filp);
 extern int           drm_stub_open(struct inode *inode, struct file *filp);
-extern int	     drm_open_helper(struct inode *inode, struct file *filp,
-				      drm_device_t *dev);
 extern int	     drm_flush(struct file *filp);
 extern int	     drm_fasync(int fd, struct file *filp, int on);
 extern int           drm_release(struct inode *inode, struct file *filp);
 
 				/* Mapping support (drm_vm.h) */
-extern void	     drm_vm_open(struct vm_area_struct *vma);
-extern void	     drm_vm_close(struct vm_area_struct *vma);
-extern void	     drm_vm_shm_close(struct vm_area_struct *vma);
-extern int	     drm_mmap_dma(struct file *filp,
-				   struct vm_area_struct *vma);
 extern int	     drm_mmap(struct file *filp, struct vm_area_struct *vma);
 extern unsigned int  drm_poll(struct file *filp, struct poll_table_struct *wait);
-extern ssize_t       drm_read(struct file *filp, char __user *buf, size_t count, loff_t *off);
 
 				/* Memory management support (drm_memory.h) */
 #include "drm_memory.h"
 extern void	     drm_mem_init(void);
 extern int	     drm_mem_info(char *buf, char **start, off_t offset,
 				   int request, int *eof, void *data);
-extern void	     *drm_calloc(size_t nmemb, size_t size, int area);
 extern void	     *drm_realloc(void *oldpt, size_t oldsize, size_t size,
 				   int area);
 extern unsigned long drm_alloc_pages(int order, int area);
@@ -849,9 +843,6 @@ extern int	     drm_newctx( struct inode *inode, struct file *filp,
 extern int	     drm_rmctx( struct inode *inode, struct file *filp,
 				 unsigned int cmd, unsigned long arg );
 
-extern int	     drm_context_switch(drm_device_t *dev, int old, int new);
-extern int	     drm_context_switch_complete(drm_device_t *dev, int new);
-
 extern int	     drm_ctxbitmap_init( drm_device_t *dev );
 extern void	     drm_ctxbitmap_cleanup( drm_device_t *dev );
 extern void          drm_ctxbitmap_free( drm_device_t *dev, int ctx_handle );
@@ -869,9 +860,6 @@ extern int	     drm_rmdraw(struct inode *inode, struct file *filp,
 
 
 				/* Authentication IOCTL support (drm_auth.h) */
-extern int	     drm_add_magic(drm_device_t *dev, drm_file_t *priv,
-				    drm_magic_t magic);
-extern int	     drm_remove_magic(drm_device_t *dev, drm_magic_t magic);
 extern int	     drm_getmagic(struct inode *inode, struct file *filp,
 				   unsigned int cmd, unsigned long arg);
 extern int	     drm_authmagic(struct inode *inode, struct file *filp,
@@ -888,13 +876,9 @@ extern int           drm_unlock(struct inode *inode, struct file *filp,
 				 unsigned int cmd, unsigned long arg);
 extern int	     drm_lock_take(__volatile__ unsigned int *lock,
 				    unsigned int context);
-extern int	     drm_lock_transfer(drm_device_t *dev,
-					__volatile__ unsigned int *lock,
-					unsigned int context);
 extern int	     drm_lock_free(drm_device_t *dev,
 				    __volatile__ unsigned int *lock,
 				    unsigned int context);
-extern int           drm_notifier(void *priv);
 
 				/* Buffer management support (drm_bufs.h) */
 extern int	     drm_order( unsigned long size );
@@ -922,7 +906,6 @@ extern void	     drm_core_reclaim_buffers(drm_device_t *dev, struct file *filp);
 				/* IRQ support (drm_irq.h) */
 extern int           drm_control( struct inode *inode, struct file *filp,
 				   unsigned int cmd, unsigned long arg );
-extern int           drm_irq_install( drm_device_t *dev );
 extern int           drm_irq_uninstall( drm_device_t *dev );
 extern irqreturn_t   drm_irq_handler( DRM_IRQ_ARGS );
 extern void          drm_driver_irq_preinstall( drm_device_t *dev );
@@ -962,7 +945,6 @@ extern int            drm_agp_unbind_memory(DRM_AGP_MEM *handle);
 extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
 		     struct drm_driver *driver);
 extern int drm_put_dev(drm_device_t * dev);
-extern int drm_get_head(drm_device_t * dev, drm_head_t *head);
 extern int drm_put_head(drm_head_t * head);
 extern unsigned int   drm_debug;
 extern unsigned int   drm_cards_limit;
@@ -1059,9 +1041,16 @@ static __inline__ void drm_free(void *pt, size_t size, int area)
 {
 	kfree(pt);
 }
+
+/** Wrapper around kcalloc() */
+static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area)
+{
+	return kcalloc(nmemb, size, GFP_KERNEL);
+}
 #else
 extern void *drm_alloc(size_t size, int area);
 extern void drm_free(void *pt, size_t size, int area);
+extern void *drm_calloc(size_t nmemb, size_t size, int area);
 #endif
 
 /*@}*/
diff --git a/drivers/char/drm/drm_auth.c b/drivers/char/drm/drm_auth.c
index b428761..dd140bc 100644
--- a/drivers/char/drm/drm_auth.c
+++ b/drivers/char/drm/drm_auth.c
@@ -87,7 +87,7 @@ static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic)
  * associated the magic number hash key in drm_device::magiclist, while holding
  * the drm_device::struct_sem lock.
  */
-int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic)
+static int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic)
 {
 	int		  hash;
 	drm_magic_entry_t *entry;
@@ -124,7 +124,7 @@ int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic)
  * Searches and unlinks the entry in drm_device::magiclist with the magic
  * number hash key, while holding the drm_device::struct_sem lock.
  */
-int drm_remove_magic(drm_device_t *dev, drm_magic_t magic)
+static int drm_remove_magic(drm_device_t *dev, drm_magic_t magic)
 {
 	drm_magic_entry_t *prev = NULL;
 	drm_magic_entry_t *pt;
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 4113bcb..4c6191d 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -60,6 +60,15 @@ int drm_order( unsigned long size )
 }
 EXPORT_SYMBOL(drm_order);
 
+#ifdef CONFIG_COMPAT
+/*
+ * Used to allocate 32-bit handles for _DRM_SHM regions
+ * The 0x10000000 value is chosen to be out of the way of
+ * FB/register and GART physical addresses.
+ */
+static unsigned int map32_handle = 0x10000000;
+#endif
+
 /**
  * Ioctl to specify a range of memory that is available for mapping by a non-root process.
  *
@@ -187,16 +196,18 @@ int drm_addmap( struct inode *inode, struct file *filp,
 
 	down(&dev->struct_sem);
 	list_add(&list->head, &dev->maplist->head);
+#ifdef CONFIG_COMPAT
+	/* Assign a 32-bit handle for _DRM_SHM mappings */
+	/* We do it here so that dev->struct_sem protects the increment */
+	if (map->type == _DRM_SHM)
+		map->offset = map32_handle += PAGE_SIZE;
+#endif
  	up(&dev->struct_sem);
 
 	if ( copy_to_user( argp, map, sizeof(*map) ) )
 		return -EFAULT;
-	if ( map->type != _DRM_SHM ) {
-		if ( copy_to_user( &argp->handle,
-				   &map->offset,
-				   sizeof(map->offset) ) )
-			return -EFAULT;
-	}
+	if (copy_to_user(&argp->handle, &map->offset, sizeof(map->offset)))
+		return -EFAULT;
 	return 0;
 }
 
@@ -240,7 +251,7 @@ int drm_rmmap(struct inode *inode, struct file *filp,
 		r_list = list_entry(list, drm_map_list_t, head);
 
 		if(r_list->map &&
-		   r_list->map->handle == request.handle &&
+		   r_list->map->offset == (unsigned long) request.handle &&
 		   r_list->map->flags & _DRM_REMOVABLE) break;
 	}
 
@@ -345,8 +356,8 @@ static void drm_cleanup_buf_error(drm_device_t *dev, drm_buf_entry_t *entry)
  * reallocates the buffer list of the same size order to accommodate the new
  * buffers.
  */
-int drm_addbufs_agp( struct inode *inode, struct file *filp,
-		      unsigned int cmd, unsigned long arg )
+static int drm_addbufs_agp( struct inode *inode, struct file *filp,
+			    unsigned int cmd, unsigned long arg )
 {
 	drm_file_t *priv = filp->private_data;
 	drm_device_t *dev = priv->head->dev;
@@ -510,8 +521,8 @@ int drm_addbufs_agp( struct inode *inode, struct file *filp,
 }
 #endif /* __OS_HAS_AGP */
 
-int drm_addbufs_pci( struct inode *inode, struct file *filp,
-		      unsigned int cmd, unsigned long arg )
+static int drm_addbufs_pci( struct inode *inode, struct file *filp,
+			    unsigned int cmd, unsigned long arg )
 {
    	drm_file_t *priv = filp->private_data;
 	drm_device_t *dev = priv->head->dev;
@@ -740,8 +751,8 @@ int drm_addbufs_pci( struct inode *inode, struct file *filp,
 
 }
 
-int drm_addbufs_sg( struct inode *inode, struct file *filp,
-                     unsigned int cmd, unsigned long arg )
+static int drm_addbufs_sg( struct inode *inode, struct file *filp,
+			   unsigned int cmd, unsigned long arg )
 {
 	drm_file_t *priv = filp->private_data;
 	drm_device_t *dev = priv->head->dev;
diff --git a/drivers/char/drm/drm_context.c b/drivers/char/drm/drm_context.c
index f15c86c..a7cfabd 100644
--- a/drivers/char/drm/drm_context.c
+++ b/drivers/char/drm/drm_context.c
@@ -84,7 +84,7 @@ failed:
  * drm_device::context_sareas to accommodate the new entry while holding the
  * drm_device::struct_sem lock.
  */
-int drm_ctxbitmap_next( drm_device_t *dev )
+static int drm_ctxbitmap_next( drm_device_t *dev )
 {
 	int bit;
 
@@ -225,7 +225,7 @@ int drm_getsareactx(struct inode *inode, struct file *filp,
 	map = dev->context_sareas[request.ctx_id];
 	up(&dev->struct_sem);
 
-	request.handle = map->handle;
+	request.handle = (void *) map->offset;
 	if (copy_to_user(argp, &request, sizeof(request)))
 		return -EFAULT;
 	return 0;
@@ -261,8 +261,8 @@ int drm_setsareactx(struct inode *inode, struct file *filp,
 	down(&dev->struct_sem);
 	list_for_each(list, &dev->maplist->head) {
 		r_list = list_entry(list, drm_map_list_t, head);
-		if(r_list->map &&
-		   r_list->map->handle == request.handle)
+		if (r_list->map
+		    && r_list->map->offset == (unsigned long) request.handle)
 			goto found;
 	}
 bad:
@@ -326,7 +326,7 @@ int drm_context_switch( drm_device_t *dev, int old, int new )
  * hardware lock is held, clears the drm_device::context_flag and wakes up
  * drm_device::context_wait.
  */
-int drm_context_switch_complete( drm_device_t *dev, int new )
+static int drm_context_switch_complete( drm_device_t *dev, int new )
 {
         dev->last_context = new;  /* PRE/POST: This is the _only_ writer. */
         dev->last_switch  = jiffies;
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index 1e37ed0..3333c25 100644
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -51,8 +51,11 @@
 #include "drmP.h"
 #include "drm_core.h"
 
+static int drm_version(struct inode *inode, struct file *filp,
+		       unsigned int cmd, unsigned long arg);
+
 /** Ioctl table */
-drm_ioctl_desc_t		  drm_ioctls[] = {
+static drm_ioctl_desc_t		  drm_ioctls[] = {
 	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]       = { drm_version,     0, 0 },
 	[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)]    = { drm_getunique,   0, 0 },
 	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)]     = { drm_getmagic,    0, 0 },
@@ -447,8 +450,8 @@ module_exit( drm_core_exit );
  *
  * Fills in the version information in \p arg.
  */
-int drm_version( struct inode *inode, struct file *filp,
-		  unsigned int cmd, unsigned long arg )
+static int drm_version( struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg )
 {
 	drm_file_t *priv = filp->private_data;
 	drm_device_t *dev = priv->head->dev;
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c
index 9067942..10e64fd 100644
--- a/drivers/char/drm/drm_fops.c
+++ b/drivers/char/drm/drm_fops.c
@@ -37,6 +37,8 @@
 #include "drmP.h"
 #include <linux/poll.h>
 
+static int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev);
+
 static int drm_setup( drm_device_t *dev )
 {
 	int i;
@@ -251,7 +253,7 @@ int drm_release( struct inode *inode, struct file *filp )
 		}
 	}
 	
-	if (drm_core_check_feature(dev, DRIVER_HAVE_DMA))
+	if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) && !dev->driver->release)
 	{
 		dev->driver->reclaim_buffers(dev, filp);
 	}
@@ -259,7 +261,7 @@ int drm_release( struct inode *inode, struct file *filp )
 	drm_fasync( -1, filp, 0 );
 
 	down( &dev->ctxlist_sem );
-	if ( !list_empty( &dev->ctxlist->head ) ) {
+	if ( dev->ctxlist && (!list_empty(&dev->ctxlist->head))) {
 		drm_ctx_list_t *pos, *n;
 
 		list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) {
@@ -341,7 +343,7 @@ EXPORT_SYMBOL(drm_release);
  * Creates and initializes a drm_file structure for the file private data in \p
  * filp and add it into the double linked list in \p dev.
  */
-int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev)
+static int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev)
 {
 	int	     minor = iminor(inode);
 	drm_file_t   *priv;
@@ -443,9 +445,3 @@ unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait)
 }
 EXPORT_SYMBOL(drm_poll);
 
-
-/** No-op. */
-ssize_t drm_read(struct file *filp, char __user *buf, size_t count, loff_t *off)
-{
-	return 0;
-}
diff --git a/drivers/char/drm/drm_ioc32.c b/drivers/char/drm/drm_ioc32.c
new file mode 100644
index 0000000..8087a96
--- /dev/null
+++ b/drivers/char/drm/drm_ioc32.c
@@ -0,0 +1,1069 @@
+/**
+ * \file drm_ioc32.c
+ *
+ * 32-bit ioctl compatibility routines for the DRM.
+ *
+ * \author Paul Mackerras <paulus@samba.org>
+ *
+ * Copyright (C) Paul Mackerras 2005.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#include <linux/compat.h>
+#include <linux/ioctl32.h>
+
+#include "drmP.h"
+#include "drm_core.h"
+
+#define DRM_IOCTL_VERSION32		DRM_IOWR(0x00, drm_version32_t)
+#define DRM_IOCTL_GET_UNIQUE32		DRM_IOWR(0x01, drm_unique32_t)
+#define DRM_IOCTL_GET_MAP32		DRM_IOWR(0x04, drm_map32_t)
+#define DRM_IOCTL_GET_CLIENT32		DRM_IOWR(0x05, drm_client32_t)
+#define DRM_IOCTL_GET_STATS32		DRM_IOR( 0x06, drm_stats32_t)
+
+#define DRM_IOCTL_SET_UNIQUE32		DRM_IOW( 0x10, drm_unique32_t)
+#define DRM_IOCTL_ADD_MAP32		DRM_IOWR(0x15, drm_map32_t)
+#define DRM_IOCTL_ADD_BUFS32		DRM_IOWR(0x16, drm_buf_desc32_t)
+#define DRM_IOCTL_MARK_BUFS32		DRM_IOW( 0x17, drm_buf_desc32_t)
+#define DRM_IOCTL_INFO_BUFS32		DRM_IOWR(0x18, drm_buf_info32_t)
+#define DRM_IOCTL_MAP_BUFS32		DRM_IOWR(0x19, drm_buf_map32_t)
+#define DRM_IOCTL_FREE_BUFS32		DRM_IOW( 0x1a, drm_buf_free32_t)
+
+#define DRM_IOCTL_RM_MAP32		DRM_IOW( 0x1b, drm_map32_t)
+
+#define DRM_IOCTL_SET_SAREA_CTX32	DRM_IOW( 0x1c, drm_ctx_priv_map32_t)
+#define DRM_IOCTL_GET_SAREA_CTX32	DRM_IOWR(0x1d, drm_ctx_priv_map32_t)
+
+#define DRM_IOCTL_RES_CTX32		DRM_IOWR(0x26, drm_ctx_res32_t)
+#define DRM_IOCTL_DMA32			DRM_IOWR(0x29, drm_dma32_t)
+
+#define DRM_IOCTL_AGP_ENABLE32		DRM_IOW( 0x32, drm_agp_mode32_t)
+#define DRM_IOCTL_AGP_INFO32		DRM_IOR( 0x33, drm_agp_info32_t)
+#define DRM_IOCTL_AGP_ALLOC32		DRM_IOWR(0x34, drm_agp_buffer32_t)
+#define DRM_IOCTL_AGP_FREE32		DRM_IOW( 0x35, drm_agp_buffer32_t)
+#define DRM_IOCTL_AGP_BIND32		DRM_IOW( 0x36, drm_agp_binding32_t)
+#define DRM_IOCTL_AGP_UNBIND32		DRM_IOW( 0x37, drm_agp_binding32_t)
+
+#define DRM_IOCTL_SG_ALLOC32		DRM_IOW( 0x38, drm_scatter_gather32_t)
+#define DRM_IOCTL_SG_FREE32		DRM_IOW( 0x39, drm_scatter_gather32_t)
+
+#define DRM_IOCTL_WAIT_VBLANK32		DRM_IOWR(0x3a, drm_wait_vblank32_t)
+
+typedef struct drm_version_32 {
+	int	version_major;	  /**< Major version */
+	int	version_minor;	  /**< Minor version */
+	int	version_patchlevel;/**< Patch level */
+	u32	name_len;	  /**< Length of name buffer */
+	u32	name;		  /**< Name of driver */
+	u32	date_len;	  /**< Length of date buffer */
+	u32	date;		  /**< User-space buffer to hold date */
+	u32	desc_len;	  /**< Length of desc buffer */
+	u32	desc;		  /**< User-space buffer to hold desc */
+} drm_version32_t;
+
+static int compat_drm_version(struct file *file, unsigned int cmd,
+			      unsigned long arg)
+{
+	drm_version32_t v32;
+	drm_version_t __user *version;
+	int err;
+
+	if (copy_from_user(&v32, (void __user *) arg, sizeof(v32)))
+		return -EFAULT;
+
+	version = compat_alloc_user_space(sizeof(*version));
+	if (!access_ok(VERIFY_WRITE, version, sizeof(*version)))
+		return -EFAULT;
+	if (__put_user(v32.name_len, &version->name_len)
+	    || __put_user((void __user *)(unsigned long)v32.name,
+			  &version->name)
+	    || __put_user(v32.date_len, &version->date_len)
+	    || __put_user((void __user *)(unsigned long)v32.date,
+			  &version->date)
+	    || __put_user(v32.desc_len, &version->desc_len)
+	    || __put_user((void __user *)(unsigned long)v32.desc,
+			  &version->desc))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_VERSION, (unsigned long) version);
+	if (err)
+		return err;
+
+	if (__get_user(v32.version_major, &version->version_major)
+	    || __get_user(v32.version_minor, &version->version_minor)
+	    || __get_user(v32.version_patchlevel, &version->version_patchlevel)
+	    || __get_user(v32.name_len, &version->name_len)
+	    || __get_user(v32.date_len, &version->date_len)
+	    || __get_user(v32.desc_len, &version->desc_len))
+		return -EFAULT;
+
+	if (copy_to_user((void __user *) arg, &v32, sizeof(v32)))
+		return -EFAULT;
+	return 0;
+}
+
+typedef struct drm_unique32 {
+	u32 unique_len;	/**< Length of unique */
+	u32 unique;	/**< Unique name for driver instantiation */
+} drm_unique32_t;
+
+static int compat_drm_getunique(struct file *file, unsigned int cmd,
+				unsigned long arg)
+{
+	drm_unique32_t uq32;
+	drm_unique_t __user *u;
+	int err;
+
+	if (copy_from_user(&uq32, (void __user *) arg, sizeof(uq32)))
+		return -EFAULT;
+
+	u = compat_alloc_user_space(sizeof(*u));
+	if (!access_ok(VERIFY_WRITE, u, sizeof(*u)))
+		return -EFAULT;
+	if (__put_user(uq32.unique_len, &u->unique_len)
+	    || __put_user((void __user *)(unsigned long) uq32.unique,
+			  &u->unique))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_GET_UNIQUE, (unsigned long) u);
+	if (err)
+		return err;
+
+	if (__get_user(uq32.unique_len, &u->unique_len))
+		return -EFAULT;
+	if (copy_to_user((void __user *) arg, &uq32, sizeof(uq32)))
+		return -EFAULT;
+	return 0;
+}
+
+static int compat_drm_setunique(struct file *file, unsigned int cmd,
+				unsigned long arg)
+{
+	drm_unique32_t uq32;
+	drm_unique_t __user *u;
+
+	if (copy_from_user(&uq32, (void __user *) arg, sizeof(uq32)))
+		return -EFAULT;
+
+	u = compat_alloc_user_space(sizeof(*u));
+	if (!access_ok(VERIFY_WRITE, u, sizeof(*u)))
+		return -EFAULT;
+	if (__put_user(uq32.unique_len, &u->unique_len)
+	    || __put_user((void __user *)(unsigned long) uq32.unique,
+			  &u->unique))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_SET_UNIQUE, (unsigned long) u);
+}
+
+typedef struct drm_map32 {
+	u32	offset;	 	/**< Requested physical address (0 for SAREA)*/
+	u32	size;	 	/**< Requested physical size (bytes) */
+	drm_map_type_t	type;	/**< Type of memory to map */
+	drm_map_flags_t flags;	/**< Flags */
+	u32	handle;		/**< User-space: "Handle" to pass to mmap() */
+	int	mtrr;		/**< MTRR slot used */
+} drm_map32_t;
+
+static int compat_drm_getmap(struct file *file, unsigned int cmd,
+			     unsigned long arg)
+{
+	drm_map32_t __user *argp = (void __user *)arg;
+	drm_map32_t m32;
+	drm_map_t __user *map;
+	int idx, err;
+	void *handle;
+
+	if (get_user(idx, &argp->offset))
+		return -EFAULT;
+
+	map = compat_alloc_user_space(sizeof(*map));
+	if (!access_ok(VERIFY_WRITE, map, sizeof(*map)))
+		return -EFAULT;
+	if (__put_user(idx, &map->offset))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_GET_MAP, (unsigned long) map);
+	if (err)
+		return err;
+
+	if (__get_user(m32.offset, &map->offset)
+	    || __get_user(m32.size, &map->size)
+	    || __get_user(m32.type, &map->type)
+	    || __get_user(m32.flags, &map->flags)
+	    || __get_user(handle, &map->handle)
+	    || __get_user(m32.mtrr, &map->mtrr))
+		return -EFAULT;
+
+	m32.handle = (unsigned long) handle;
+	if (copy_to_user(argp, &m32, sizeof(m32)))
+		return -EFAULT;
+	return 0;
+
+}
+
+static int compat_drm_addmap(struct file *file, unsigned int cmd,
+			     unsigned long arg)
+{
+	drm_map32_t __user *argp = (void __user *)arg;
+	drm_map32_t m32;
+	drm_map_t __user *map;
+	int err;
+	void *handle;
+
+	if (copy_from_user(&m32, argp, sizeof(m32)))
+		return -EFAULT;
+
+	map = compat_alloc_user_space(sizeof(*map));
+	if (!access_ok(VERIFY_WRITE, map, sizeof(*map)))
+		return -EFAULT;
+	if (__put_user(m32.offset, &map->offset)
+	    || __put_user(m32.size, &map->size)
+	    || __put_user(m32.type, &map->type)
+	    || __put_user(m32.flags, &map->flags))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_ADD_MAP, (unsigned long) map);
+	if (err)
+		return err;
+
+	if (__get_user(m32.offset, &map->offset)
+	    || __get_user(m32.mtrr, &map->mtrr)
+	    || __get_user(handle, &map->handle))
+		return -EFAULT;
+
+	m32.handle = (unsigned long) handle;
+	if (m32.handle != (unsigned long) handle && printk_ratelimit())
+		printk(KERN_ERR "compat_drm_addmap truncated handle"
+		       " %p for type %d offset %x\n",
+		       handle, m32.type, m32.offset);
+
+	if (copy_to_user(argp, &m32, sizeof(m32)))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int compat_drm_rmmap(struct file *file, unsigned int cmd,
+			    unsigned long arg)
+{
+	drm_map32_t __user *argp = (void __user *)arg;
+	drm_map_t __user *map;
+	u32 handle;
+
+	if (get_user(handle, &argp->handle))
+		return -EFAULT;
+
+	map = compat_alloc_user_space(sizeof(*map));
+	if (!access_ok(VERIFY_WRITE, map, sizeof(*map)))
+		return -EFAULT;
+	if (__put_user((void *)(unsigned long) handle, &map->handle))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RM_MAP, (unsigned long) map);
+}
+
+typedef struct drm_client32 {
+	int	idx;	/**< Which client desired? */
+	int	auth;	/**< Is client authenticated? */
+	u32	pid;	/**< Process ID */
+	u32	uid;	/**< User ID */
+	u32	magic;	/**< Magic */
+	u32	iocs;	/**< Ioctl count */
+} drm_client32_t;
+
+static int compat_drm_getclient(struct file *file, unsigned int cmd,
+				unsigned long arg)
+{
+	drm_client32_t c32;
+	drm_client32_t __user *argp = (void __user *)arg;
+	drm_client_t __user *client;
+	int idx, err;
+
+	if (get_user(idx, &argp->idx))
+		return -EFAULT;
+
+	client = compat_alloc_user_space(sizeof(*client));
+	if (!access_ok(VERIFY_WRITE, client, sizeof(*client)))
+		return -EFAULT;
+	if (__put_user(idx, &client->idx))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_GET_CLIENT, (unsigned long) client);
+	if (err)
+		return err;
+
+	if (__get_user(c32.auth, &client->auth)
+	    || __get_user(c32.pid, &client->pid)
+	    || __get_user(c32.uid, &client->uid)
+	    || __get_user(c32.magic, &client->magic)
+	    || __get_user(c32.iocs, &client->iocs))
+		return -EFAULT;
+
+	if (copy_to_user(argp, &c32, sizeof(c32)))
+		return -EFAULT;
+	return 0;
+}
+
+typedef struct drm_stats32 {
+	u32 count;
+	struct {
+		u32 value;
+		drm_stat_type_t type;
+	} data[15];
+} drm_stats32_t;
+
+static int compat_drm_getstats(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_stats32_t s32;
+	drm_stats32_t __user *argp = (void __user *)arg;
+	drm_stats_t __user *stats;
+	int i, err;
+
+	stats = compat_alloc_user_space(sizeof(*stats));
+	if (!access_ok(VERIFY_WRITE, stats, sizeof(*stats)))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_GET_STATS, (unsigned long) stats);
+	if (err)
+		return err;
+
+	if (__get_user(s32.count, &stats->count))
+		return -EFAULT;
+	for (i = 0; i < 15; ++i)
+		if (__get_user(s32.data[i].value, &stats->data[i].value)
+		    || __get_user(s32.data[i].type, &stats->data[i].type))
+			return -EFAULT;
+
+	if (copy_to_user(argp, &s32, sizeof(s32)))
+		return -EFAULT;
+	return 0;
+}
+
+typedef struct drm_buf_desc32 {
+	int	      count;	 /**< Number of buffers of this size */
+	int	      size;	 /**< Size in bytes */
+	int	      low_mark;	 /**< Low water mark */
+	int	      high_mark; /**< High water mark */
+	int	      flags;
+	u32	      agp_start; /**< Start address in the AGP aperture */
+} drm_buf_desc32_t;
+
+static int compat_drm_addbufs(struct file *file, unsigned int cmd,
+			      unsigned long arg)
+{
+	drm_buf_desc32_t __user *argp = (void __user *)arg;
+	drm_buf_desc_t __user *buf;
+	int err;
+	unsigned long agp_start;
+
+	buf = compat_alloc_user_space(sizeof(*buf));
+	if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf))
+	    || !access_ok(VERIFY_WRITE, argp, sizeof(*argp)))
+		return -EFAULT;
+
+	if (__copy_in_user(buf, argp, offsetof(drm_buf_desc32_t, agp_start))
+	    || __get_user(agp_start, &argp->agp_start)
+	    || __put_user(agp_start, &buf->agp_start))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_ADD_BUFS, (unsigned long) buf);
+	if (err)
+		return err;
+
+	if (__copy_in_user(argp, buf, offsetof(drm_buf_desc32_t, agp_start))
+	    || __get_user(agp_start, &buf->agp_start)
+	    || __put_user(agp_start, &argp->agp_start))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int compat_drm_markbufs(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_buf_desc32_t b32;
+	drm_buf_desc32_t __user *argp = (void __user *)arg;
+	drm_buf_desc_t __user *buf;
+
+	if (copy_from_user(&b32, argp, sizeof(b32)))
+		return -EFAULT;
+
+	buf = compat_alloc_user_space(sizeof(*buf));
+	if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)))
+		return -EFAULT;
+
+	if (__put_user(b32.size, &buf->size)
+	    || __put_user(b32.low_mark, &buf->low_mark)
+	    || __put_user(b32.high_mark, &buf->high_mark))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_MARK_BUFS, (unsigned long) buf);
+}
+
+typedef struct drm_buf_info32 {
+	int	       count;	/**< Entries in list */
+	u32	       list;
+} drm_buf_info32_t;
+
+static int compat_drm_infobufs(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_buf_info32_t req32;
+	drm_buf_info32_t __user *argp = (void __user *)arg;
+	drm_buf_desc32_t __user *to;
+	drm_buf_info_t __user *request;
+	drm_buf_desc_t __user *list;
+	size_t nbytes;
+	int i, err;
+	int count, actual;
+
+	if (copy_from_user(&req32, argp, sizeof(req32)))
+		return -EFAULT;
+
+	count = req32.count;
+	to = (drm_buf_desc32_t __user *)(unsigned long) req32.list;
+	if (count < 0)
+		count = 0;
+	if (count > 0
+	    && !access_ok(VERIFY_WRITE, to, count * sizeof(drm_buf_desc32_t)))
+		return -EFAULT;
+
+	nbytes = sizeof(*request) + count * sizeof(drm_buf_desc_t);
+	request = compat_alloc_user_space(nbytes);
+	if (!access_ok(VERIFY_WRITE, request, nbytes))
+		return -EFAULT;
+	list = (drm_buf_desc_t *) (request + 1);
+
+	if (__put_user(count, &request->count)
+	    || __put_user(list, &request->list))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_INFO_BUFS, (unsigned long) request);
+	if (err)
+		return err;
+
+	if (__get_user(actual, &request->count))
+		return -EFAULT;
+	if (count >= actual)
+		for (i = 0; i < actual; ++i)
+			if (__copy_in_user(&to[i], &list[i],
+					   offsetof(drm_buf_desc_t, flags)))
+				return -EFAULT;
+
+	if (__put_user(actual, &argp->count))
+		return -EFAULT;
+
+	return 0;
+}
+
+typedef struct drm_buf_pub32 {
+	int	idx;		/**< Index into the master buffer list */
+	int	total;		/**< Buffer size */
+	int	used;		/**< Amount of buffer in use (for DMA) */
+	u32	address;	/**< Address of buffer */
+} drm_buf_pub32_t;
+
+typedef struct drm_buf_map32 {
+	int	count;		/**< Length of the buffer list */
+	u32	virtual;	/**< Mmap'd area in user-virtual */
+	u32	list;		/**< Buffer information */
+} drm_buf_map32_t;
+
+static int compat_drm_mapbufs(struct file *file, unsigned int cmd,
+			      unsigned long arg)
+{
+	drm_buf_map32_t __user *argp = (void __user *)arg;
+	drm_buf_map32_t req32;
+	drm_buf_pub32_t __user *list32;
+	drm_buf_map_t __user *request;
+	drm_buf_pub_t __user *list;
+	int i, err;
+	int count, actual;
+	size_t nbytes;
+	void __user *addr;
+
+	if (copy_from_user(&req32, argp, sizeof(req32)))
+		return -EFAULT;
+	count = req32.count;
+	list32 = (void __user *)(unsigned long)req32.list;
+
+	if (count < 0)
+		return -EINVAL;
+	nbytes = sizeof(*request) + count * sizeof(drm_buf_pub_t);
+	request = compat_alloc_user_space(nbytes);
+	if (!access_ok(VERIFY_WRITE, request, nbytes))
+		return -EFAULT;
+	list = (drm_buf_pub_t *) (request + 1);
+
+	if (__put_user(count, &request->count)
+	    || __put_user(list, &request->list))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_MAP_BUFS, (unsigned long) request);
+	if (err)
+		return err;
+
+	if (__get_user(actual, &request->count))
+		return -EFAULT;
+	if (count >= actual)
+		for (i = 0; i < actual; ++i)
+			if (__copy_in_user(&list32[i], &list[i],
+					   offsetof(drm_buf_pub_t, address))
+			    || __get_user(addr, &list[i].address)
+			    || __put_user((unsigned long) addr,
+					  &list32[i].address))
+				return -EFAULT;
+
+	if (__put_user(actual, &argp->count)
+	    || __get_user(addr, &request->virtual)
+	    || __put_user((unsigned long) addr, &argp->virtual))
+		return -EFAULT;
+
+	return 0;
+}
+
+typedef struct drm_buf_free32 {
+	int	count;
+	u32	list;
+} drm_buf_free32_t;
+
+static int compat_drm_freebufs(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_buf_free32_t req32;
+	drm_buf_free_t __user *request;
+	drm_buf_free32_t __user *argp = (void __user *)arg;
+
+	if (copy_from_user(&req32, argp, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request)))
+		return -EFAULT;
+	if (__put_user(req32.count, &request->count)
+	    || __put_user((int __user *)(unsigned long) req32.list,
+			  &request->list))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_FREE_BUFS, (unsigned long) request);
+}
+
+typedef struct drm_ctx_priv_map32 {
+	unsigned int	ctx_id;  /**< Context requesting private mapping */
+	u32		handle; /**< Handle of map */
+} drm_ctx_priv_map32_t;
+
+static int compat_drm_setsareactx(struct file *file, unsigned int cmd,
+				  unsigned long arg)
+{
+	drm_ctx_priv_map32_t req32;
+	drm_ctx_priv_map_t __user *request;
+	drm_ctx_priv_map32_t __user *argp = (void __user *)arg;
+
+	if (copy_from_user(&req32, argp, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request)))
+		return -EFAULT;
+	if (__put_user(req32.ctx_id, &request->ctx_id)
+	    || __put_user((void *)(unsigned long) req32.handle,
+			  &request->handle))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_SET_SAREA_CTX, (unsigned long) request);
+}
+
+static int compat_drm_getsareactx(struct file *file, unsigned int cmd,
+				  unsigned long arg)
+{
+	drm_ctx_priv_map_t __user *request;
+	drm_ctx_priv_map32_t __user *argp = (void __user *)arg;
+	int err;
+	unsigned int ctx_id;
+	void *handle;
+
+	if (!access_ok(VERIFY_WRITE, argp, sizeof(*argp))
+	    || __get_user(ctx_id, &argp->ctx_id))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request)))
+		return -EFAULT;
+	if (__put_user(ctx_id, &request->ctx_id))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_GET_SAREA_CTX, (unsigned long) request);
+	if (err)
+		return err;
+
+	if (__get_user(handle, &request->handle)
+	    || __put_user((unsigned long) handle, &argp->handle))
+		return -EFAULT;
+
+	return 0;
+}
+
+typedef struct drm_ctx_res32 {
+	int	count;
+	u32	contexts;
+} drm_ctx_res32_t;
+
+static int compat_drm_resctx(struct file *file, unsigned int cmd,
+			     unsigned long arg)
+{
+	drm_ctx_res32_t __user *argp = (void __user *)arg;
+	drm_ctx_res32_t res32;
+	drm_ctx_res_t __user *res;
+	int err;
+
+	if (copy_from_user(&res32, argp, sizeof(res32)))
+		return -EFAULT;
+
+	res = compat_alloc_user_space(sizeof(*res));
+	if (!access_ok(VERIFY_WRITE, res, sizeof(*res)))
+		return -EFAULT;
+	if (__put_user(res32.count, &res->count)
+	    || __put_user((drm_ctx_t __user *)(unsigned long) res32.contexts,
+			  &res->contexts))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_RES_CTX, (unsigned long) res);
+	if (err)
+		return err;
+
+	if (__get_user(res32.count, &res->count)
+	    || __put_user(res32.count, &argp->count))
+		return -EFAULT;
+
+	return 0;
+}
+
+typedef struct drm_dma32 {
+	int	context;	  /**< Context handle */
+	int	send_count;	  /**< Number of buffers to send */
+	u32	send_indices;	  /**< List of handles to buffers */
+	u32	send_sizes;	  /**< Lengths of data to send */
+	drm_dma_flags_t flags;		  /**< Flags */
+	int	request_count;	  /**< Number of buffers requested */
+	int	request_size;	  /**< Desired size for buffers */
+	u32	request_indices;  /**< Buffer information */
+	u32	request_sizes;
+	int	granted_count;	  /**< Number of buffers granted */
+} drm_dma32_t;
+
+static int compat_drm_dma(struct file *file, unsigned int cmd,
+			  unsigned long arg)
+{
+	drm_dma32_t d32;
+	drm_dma32_t __user *argp = (void __user *) arg;
+	drm_dma_t __user *d;
+	int err;
+
+	if (copy_from_user(&d32, argp, sizeof(d32)))
+		return -EFAULT;
+
+	d = compat_alloc_user_space(sizeof(*d));
+	if (!access_ok(VERIFY_WRITE, d, sizeof(*d)))
+		return -EFAULT;
+
+	if (__put_user(d32.context, &d->context)
+	    || __put_user(d32.send_count, &d->send_count)
+	    || __put_user((int __user *)(unsigned long) d32.send_indices,
+			  &d->send_indices)
+	    || __put_user((int __user *)(unsigned long) d32.send_sizes,
+			  &d->send_sizes)
+	    || __put_user(d32.flags, &d->flags)
+	    || __put_user(d32.request_count, &d->request_count)
+	    || __put_user((int __user *)(unsigned long) d32.request_indices,
+			  &d->request_indices)
+	    || __put_user((int __user *)(unsigned long) d32.request_sizes,
+			  &d->request_sizes))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_DMA, (unsigned long) d);
+	if (err)
+		return err;
+
+	if (__get_user(d32.request_size, &d->request_size)
+	    || __get_user(d32.granted_count, &d->granted_count)
+	    || __put_user(d32.request_size, &argp->request_size)
+	    || __put_user(d32.granted_count, &argp->granted_count))
+		return -EFAULT;
+
+	return 0;
+}
+
+#if __OS_HAS_AGP
+typedef struct drm_agp_mode32 {
+	u32 mode;	/**< AGP mode */
+} drm_agp_mode32_t;
+
+static int compat_drm_agp_enable(struct file *file, unsigned int cmd,
+				 unsigned long arg)
+{
+	drm_agp_mode32_t __user *argp = (void __user *)arg;
+	drm_agp_mode32_t m32;
+	drm_agp_mode_t __user *mode;
+
+	if (get_user(m32.mode, &argp->mode))
+		return -EFAULT;
+
+	mode = compat_alloc_user_space(sizeof(*mode));
+	if (put_user(m32.mode, &mode->mode))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_AGP_ENABLE, (unsigned long) mode);
+}
+
+typedef struct drm_agp_info32 {
+	int       agp_version_major;
+	int       agp_version_minor;
+	u32	  mode;
+	u32	  aperture_base;  /* physical address */
+	u32	  aperture_size;  /* bytes */
+	u32	  memory_allowed; /* bytes */
+	u32	  memory_used;
+
+				/* PCI information */
+	unsigned short id_vendor;
+	unsigned short id_device;
+} drm_agp_info32_t;
+
+static int compat_drm_agp_info(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_agp_info32_t __user *argp = (void __user *)arg;
+	drm_agp_info32_t i32;
+	drm_agp_info_t __user *info;
+	int err;
+
+	info = compat_alloc_user_space(sizeof(*info));
+	if (!access_ok(VERIFY_WRITE, info, sizeof(*info)))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_AGP_INFO, (unsigned long) info);
+	if (err)
+		return err;
+
+	if (__get_user(i32.agp_version_major, &info->agp_version_major)
+	    || __get_user(i32.agp_version_minor, &info->agp_version_minor)
+	    || __get_user(i32.mode, &info->mode)
+	    || __get_user(i32.aperture_base, &info->aperture_base)
+	    || __get_user(i32.aperture_size, &info->aperture_size)
+	    || __get_user(i32.memory_allowed, &info->memory_allowed)
+	    || __get_user(i32.memory_used, &info->memory_used)
+	    || __get_user(i32.id_vendor, &info->id_vendor)
+	    || __get_user(i32.id_device, &info->id_device))
+		return -EFAULT;
+
+	if (copy_to_user(argp, &i32, sizeof(i32)))
+		return -EFAULT;
+
+	return 0;
+}
+
+typedef struct drm_agp_buffer32 {
+	u32 size;	/**< In bytes -- will round to page boundary */
+	u32 handle;	/**< Used for binding / unbinding */
+	u32 type;	/**< Type of memory to allocate */
+        u32 physical;	/**< Physical used by i810 */
+} drm_agp_buffer32_t;
+
+static int compat_drm_agp_alloc(struct file *file, unsigned int cmd,
+				unsigned long arg)
+{
+	drm_agp_buffer32_t __user *argp = (void __user *)arg;
+	drm_agp_buffer32_t req32;
+	drm_agp_buffer_t __user *request;
+	int err;
+
+	if (copy_from_user(&req32, argp, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user(req32.size, &request->size)
+	    || __put_user(req32.type, &request->type))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_AGP_ALLOC, (unsigned long) request);
+	if (err)
+		return err;
+
+	if (__get_user(req32.handle, &request->handle)
+	    || __get_user(req32.physical, &request->physical)
+	    || copy_to_user(argp, &req32, sizeof(req32))) {
+		drm_ioctl(file->f_dentry->d_inode, file,
+			  DRM_IOCTL_AGP_FREE, (unsigned long) request);
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static int compat_drm_agp_free(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_agp_buffer32_t __user *argp = (void __user *)arg;
+	drm_agp_buffer_t __user *request;
+	u32 handle;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || get_user(handle, &argp->handle)
+	    || __put_user(handle, &request->handle))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_AGP_FREE, (unsigned long) request);
+}
+
+typedef struct drm_agp_binding32 {
+	u32 handle;	/**< From drm_agp_buffer */
+	u32 offset;	/**< In bytes -- will round to page boundary */
+} drm_agp_binding32_t;
+
+static int compat_drm_agp_bind(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_agp_binding32_t __user *argp = (void __user *)arg;
+	drm_agp_binding32_t req32;
+	drm_agp_binding_t __user *request;
+
+	if (copy_from_user(&req32, argp, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user(req32.handle, &request->handle)
+	    || __put_user(req32.offset, &request->offset))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_AGP_BIND, (unsigned long) request);
+}
+
+static int compat_drm_agp_unbind(struct file *file, unsigned int cmd,
+				 unsigned long arg)
+{
+	drm_agp_binding32_t __user *argp = (void __user *)arg;
+	drm_agp_binding_t __user *request;
+	u32 handle;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || get_user(handle, &argp->handle)
+	    || __put_user(handle, &request->handle))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_AGP_UNBIND, (unsigned long) request);
+}
+#endif /* __OS_HAS_AGP */
+
+typedef struct drm_scatter_gather32 {
+	u32 size;	/**< In bytes -- will round to page boundary */
+	u32 handle;	/**< Used for mapping / unmapping */
+} drm_scatter_gather32_t;
+
+static int compat_drm_sg_alloc(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_scatter_gather32_t __user *argp = (void __user *)arg;
+	drm_scatter_gather_t __user *request;
+	int err;
+	unsigned long x;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))
+	    || __get_user(x, &argp->size)
+	    || __put_user(x, &request->size))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_SG_ALLOC, (unsigned long) request);
+	if (err)
+		return err;
+
+	/* XXX not sure about the handle conversion here... */
+	if (__get_user(x, &request->handle)
+	    || __put_user(x >> PAGE_SHIFT, &argp->handle))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int compat_drm_sg_free(struct file *file, unsigned int cmd,
+			      unsigned long arg)
+{
+	drm_scatter_gather32_t __user *argp = (void __user *)arg;
+	drm_scatter_gather_t __user *request;
+	unsigned long x;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || !access_ok(VERIFY_WRITE, argp, sizeof(*argp))
+	    || __get_user(x, &argp->handle)
+	    || __put_user(x << PAGE_SHIFT, &request->handle))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_SG_FREE, (unsigned long) request);
+}
+
+struct drm_wait_vblank_request32 {
+	drm_vblank_seq_type_t type;
+	unsigned int sequence;
+	u32 signal;
+};
+
+struct drm_wait_vblank_reply32 {
+	drm_vblank_seq_type_t type;
+	unsigned int sequence;
+	s32 tval_sec;
+	s32 tval_usec;
+};
+
+typedef union drm_wait_vblank32 {
+	struct drm_wait_vblank_request32 request;
+	struct drm_wait_vblank_reply32 reply;
+} drm_wait_vblank32_t;
+
+static int compat_drm_wait_vblank(struct file *file, unsigned int cmd,
+				  unsigned long arg)
+{
+	drm_wait_vblank32_t __user *argp = (void __user *)arg;
+	drm_wait_vblank32_t req32;
+	drm_wait_vblank_t __user *request;
+	int err;
+
+	if (copy_from_user(&req32, argp, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user(req32.request.type, &request->request.type)
+	    || __put_user(req32.request.sequence, &request->request.sequence)
+	    || __put_user(req32.request.signal, &request->request.signal))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_dentry->d_inode, file,
+			DRM_IOCTL_WAIT_VBLANK, (unsigned long) request);
+	if (err)
+		return err;
+
+	if (__get_user(req32.reply.type, &request->reply.type)
+	    || __get_user(req32.reply.sequence, &request->reply.sequence)
+	    || __get_user(req32.reply.tval_sec, &request->reply.tval_sec)
+	    || __get_user(req32.reply.tval_usec, &request->reply.tval_usec))
+		return -EFAULT;
+
+	if (copy_to_user(argp, &req32, sizeof(req32)))
+		return -EFAULT;
+
+	return 0;
+}
+
+drm_ioctl_compat_t *drm_compat_ioctls[] = {
+	[DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version,
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique,
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap,
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT32)] = compat_drm_getclient,
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_STATS32)] = compat_drm_getstats,
+	[DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE32)] = compat_drm_setunique,
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP32)] = compat_drm_addmap,
+	[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS32)] = compat_drm_addbufs,
+	[DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS32)] = compat_drm_markbufs,
+	[DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS32)] = compat_drm_infobufs,
+	[DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS32)] = compat_drm_mapbufs,
+	[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS32)] = compat_drm_freebufs,
+	[DRM_IOCTL_NR(DRM_IOCTL_RM_MAP32)] = compat_drm_rmmap,
+	[DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX32)] = compat_drm_setsareactx,
+	[DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX32)] = compat_drm_getsareactx,
+	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX32)] = compat_drm_resctx,
+	[DRM_IOCTL_NR(DRM_IOCTL_DMA32)] = compat_drm_dma,
+#if __OS_HAS_AGP
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE32)] = compat_drm_agp_enable,
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO32)] = compat_drm_agp_info,
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC32)] = compat_drm_agp_alloc,
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE32)] = compat_drm_agp_free,
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND32)] = compat_drm_agp_bind,
+	[DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND32)] = compat_drm_agp_unbind,
+#endif
+	[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc,
+	[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free,
+	[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank,
+};
+
+/**
+ * Called whenever a 32-bit process running under a 64-bit kernel
+ * performs an ioctl on /dev/drm.
+ *
+ * \param filp file pointer.
+ * \param cmd command.
+ * \param arg user argument.
+ * \return zero on success or negative number on failure.
+ */
+long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+	unsigned int nr = DRM_IOCTL_NR(cmd);
+	drm_ioctl_compat_t *fn;
+	int ret;
+
+	if (nr >= DRM_ARRAY_SIZE(drm_compat_ioctls))
+		return -ENOTTY;
+
+	fn = drm_compat_ioctls[nr];
+
+	lock_kernel();		/* XXX for now */
+	if (fn != NULL)
+		ret = (*fn)(filp, cmd, arg);
+	else
+		ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+EXPORT_SYMBOL(drm_compat_ioctl);
diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c
index 2e236eb..cdd4aec 100644
--- a/drivers/char/drm/drm_irq.c
+++ b/drivers/char/drm/drm_irq.c
@@ -89,7 +89,7 @@ int drm_irq_by_busid(struct inode *inode, struct file *filp,
  * \c drm_driver_irq_preinstall() and \c drm_driver_irq_postinstall() functions
  * before and after the installation.
  */
-int drm_irq_install( drm_device_t *dev )
+static int drm_irq_install( drm_device_t *dev )
 {
 	int ret;
 	unsigned long sh_flags=0;
diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c
index d0d6fc6..4702d86 100644
--- a/drivers/char/drm/drm_lock.c
+++ b/drivers/char/drm/drm_lock.c
@@ -35,6 +35,11 @@
 
 #include "drmP.h"
 
+static int drm_lock_transfer(drm_device_t *dev,
+			     __volatile__ unsigned int *lock,
+			     unsigned int context);
+static int drm_notifier(void *priv);
+
 /** 
  * Lock ioctl.
  *
@@ -225,8 +230,9 @@ int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context)
  * Resets the lock file pointer.
  * Marks the lock as held by the given context, via the \p cmpxchg instruction.
  */
-int drm_lock_transfer(drm_device_t *dev,
-		       __volatile__ unsigned int *lock, unsigned int context)
+static int drm_lock_transfer(drm_device_t *dev,
+			     __volatile__ unsigned int *lock,
+			     unsigned int context)
 {
 	unsigned int old, new, prev;
 
@@ -282,7 +288,7 @@ int drm_lock_free(drm_device_t *dev,
  * \return one if the signal should be delivered normally, or zero if the
  * signal should be blocked.
  */
-int drm_notifier(void *priv)
+static int drm_notifier(void *priv)
 {
 	drm_sigdata_t *s = (drm_sigdata_t *)priv;
 	unsigned int  old, new, prev;
diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c
index 7f53f75..ace3d42 100644
--- a/drivers/char/drm/drm_memory.c
+++ b/drivers/char/drm/drm_memory.c
@@ -65,19 +65,6 @@ int drm_mem_info(char *buf, char **start, off_t offset,
 	return 0;
 }
 
-/** Wrapper around kmalloc() */
-void *drm_calloc(size_t nmemb, size_t size, int area)
-{
-	void *addr;
-
-	addr = kmalloc(size * nmemb, GFP_KERNEL);
-	if (addr != NULL)
-		memset((void *)addr, 0, size * nmemb);
-
-	return addr;
-}
-EXPORT_SYMBOL(drm_calloc);
-
 /** Wrapper around kmalloc() and kfree() */
 void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area)
 {
diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h
index 54a2914..70ca4fa 100644
--- a/drivers/char/drm/drm_pciids.h
+++ b/drivers/char/drm/drm_pciids.h
@@ -220,5 +220,13 @@
 	{0x8086, 0x2572, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
 	{0x8086, 0x2582, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
 	{0x8086, 0x2592, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
+	{0x8086, 0x2772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
+	{0, 0, 0}
+
+#define viadrv_PCI_IDS \
+	{0x1106, 0x3022, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
+	{0x1106, 0x3122, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
+	{0x1106, 0x7205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
+	{0x1106, 0x7204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
 	{0, 0, 0}
 
diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c
index 6e06e8c..4774087 100644
--- a/drivers/char/drm/drm_proc.c
+++ b/drivers/char/drm/drm_proc.c
@@ -57,7 +57,7 @@ static int	   drm_vma_info(char *buf, char **start, off_t offset,
 /**
  * Proc file list.
  */
-struct drm_proc_list {
+static struct drm_proc_list {
 	const char *name;	/**< file name */
 	int	   (*f)(char *, char **, off_t, int, int *, void *);	/**< proc callback*/
 } drm_proc_list[] = {
diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c
index 8ccbdef..48829a1 100644
--- a/drivers/char/drm/drm_stub.c
+++ b/drivers/char/drm/drm_stub.c
@@ -157,52 +157,6 @@ int drm_stub_open(struct inode *inode, struct file *filp)
 	return err;
 }
 
-
-/**
- * Register.
- *
- * \param pdev - PCI device structure
- * \param ent entry from the PCI ID table with device type flags
- * \return zero on success or a negative number on failure.
- *
- * Attempt to gets inter module "drm" information. If we are first
- * then register the character device and inter module information.
- * Try and register, if we fail to register, backout previous work.
- */
-int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
-	      struct drm_driver *driver)
-{
-	drm_device_t *dev;
-	int ret;
-
-	DRM_DEBUG("\n");
-
-	dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB);
-	if (!dev)
-		return -ENOMEM;
-
-	pci_enable_device(pdev);
-
-	if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
-		printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
-		goto err_g1;
-	}
-	if ((ret = drm_get_head(dev, &dev->primary)))
-		goto err_g1;
-
-	/* postinit is a required function to display the signon banner */
-	/* drivers add secondary heads here if needed */
-	if ((ret = dev->driver->postinit(dev, ent->driver_data)))
-		goto err_g1;
-
-	return 0;
-
-err_g1:
-	drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
-	return ret;
-}
-EXPORT_SYMBOL(drm_get_dev);
-
 /**
  * Get a secondary minor number.
  *
@@ -214,7 +168,7 @@ EXPORT_SYMBOL(drm_get_dev);
  * create the proc init entry via proc_init(). This routines assigns
  * minor numbers to secondary heads of multi-headed cards
  */
-int drm_get_head(drm_device_t *dev, drm_head_t *head)
+static int drm_get_head(drm_device_t *dev, drm_head_t *head)
 {
 	drm_head_t **heads = drm_heads;
 	int ret;
@@ -262,6 +216,50 @@ err_g1:
 	return ret;
 }
 		
+/**
+ * Register.
+ *
+ * \param pdev - PCI device structure
+ * \param ent entry from the PCI ID table with device type flags
+ * \return zero on success or a negative number on failure.
+ *
+ * Attempt to gets inter module "drm" information. If we are first
+ * then register the character device and inter module information.
+ * Try and register, if we fail to register, backout previous work.
+ */
+int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
+	      struct drm_driver *driver)
+{
+	drm_device_t *dev;
+	int ret;
+
+	DRM_DEBUG("\n");
+
+	dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB);
+	if (!dev)
+		return -ENOMEM;
+
+	pci_enable_device(pdev);
+
+	if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
+		printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
+		goto err_g1;
+	}
+	if ((ret = drm_get_head(dev, &dev->primary)))
+		goto err_g1;
+
+	/* postinit is a required function to display the signon banner */
+	/* drivers add secondary heads here if needed */
+	if ((ret = dev->driver->postinit(dev, ent->driver_data)))
+		goto err_g1;
+
+	return 0;
+
+err_g1:
+	drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
+	return ret;
+}
+EXPORT_SYMBOL(drm_get_dev);
 
 /**
  * Put a device minor number.
diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c
index fc72f30..621220f 100644
--- a/drivers/char/drm/drm_vm.c
+++ b/drivers/char/drm/drm_vm.c
@@ -38,6 +38,8 @@
 #include <linux/efi.h>
 #endif
 
+static void drm_vm_open(struct vm_area_struct *vma);
+static void drm_vm_close(struct vm_area_struct *vma);
 
 /**
  * \c nopage method for AGP virtual memory.
@@ -163,7 +165,7 @@ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma,
  * Deletes map information if we are the last
  * person to close a mapping and it's not in the global maplist.
  */
-void drm_vm_shm_close(struct vm_area_struct *vma)
+static void drm_vm_shm_close(struct vm_area_struct *vma)
 {
 	drm_file_t	*priv	= vma->vm_file->private_data;
 	drm_device_t	*dev	= priv->head->dev;
@@ -399,7 +401,7 @@ static struct vm_operations_struct   drm_vm_sg_ops = {
  * Create a new drm_vma_entry structure as the \p vma private data entry and
  * add it to drm_device::vmalist.
  */
-void drm_vm_open(struct vm_area_struct *vma)
+static void drm_vm_open(struct vm_area_struct *vma)
 {
 	drm_file_t	*priv	= vma->vm_file->private_data;
 	drm_device_t	*dev	= priv->head->dev;
@@ -428,7 +430,7 @@ void drm_vm_open(struct vm_area_struct *vma)
  * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
  * free it.
  */
-void drm_vm_close(struct vm_area_struct *vma)
+static void drm_vm_close(struct vm_area_struct *vma)
 {
 	drm_file_t	*priv	= vma->vm_file->private_data;
 	drm_device_t	*dev	= priv->head->dev;
@@ -463,7 +465,7 @@ void drm_vm_close(struct vm_area_struct *vma)
  * Sets the virtual memory area operations structure to vm_dma_ops, the file
  * pointer, and calls vm_open().
  */
-int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
+static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
 {
 	drm_file_t	 *priv	 = filp->private_data;
 	drm_device_t	 *dev;
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
index 24857cc..18e0b76 100644
--- a/drivers/char/drm/i810_dma.c
+++ b/drivers/char/drm/i810_dma.c
@@ -90,16 +90,7 @@ static int i810_freelist_put(drm_device_t *dev, drm_buf_t *buf)
    	return 0;
 }
 
-static struct file_operations i810_buffer_fops = {
-	.open	 = drm_open,
-	.flush	 = drm_flush,
-	.release = drm_release,
-	.ioctl	 = drm_ioctl,
-	.mmap	 = i810_mmap_buffers,
-	.fasync  = drm_fasync,
-};
-
-int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
+static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 {
 	drm_file_t	    *priv	  = filp->private_data;
 	drm_device_t	    *dev;
@@ -126,6 +117,15 @@ int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 	return 0;
 }
 
+static struct file_operations i810_buffer_fops = {
+	.open	 = drm_open,
+	.flush	 = drm_flush,
+	.release = drm_release,
+	.ioctl	 = drm_ioctl,
+	.mmap	 = i810_mmap_buffers,
+	.fasync  = drm_fasync,
+};
+
 static int i810_map_buffer(drm_buf_t *buf, struct file *filp)
 {
 	drm_file_t	  *priv	  = filp->private_data;
@@ -1003,8 +1003,8 @@ void i810_reclaim_buffers(drm_device_t *dev, struct file *filp)
 	}
 }
 
-int i810_flush_ioctl(struct inode *inode, struct file *filp,
-		     unsigned int cmd, unsigned long arg)
+static int i810_flush_ioctl(struct inode *inode, struct file *filp,
+			    unsigned int cmd, unsigned long arg)
 {
    	drm_file_t	  *priv	  = filp->private_data;
    	drm_device_t	  *dev	  = priv->head->dev;
diff --git a/drivers/char/drm/i810_drv.h b/drivers/char/drm/i810_drv.h
index fa23ca4..1b40538 100644
--- a/drivers/char/drm/i810_drv.h
+++ b/drivers/char/drm/i810_drv.h
@@ -115,7 +115,6 @@ typedef struct drm_i810_private {
 
 				/* i810_dma.c */
 extern void i810_reclaim_buffers(drm_device_t *dev, struct file *filp);
-extern int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma);
 
 extern int i810_driver_dma_quiescent(drm_device_t *dev);
 extern void i810_driver_release(drm_device_t *dev, struct file *filp);
diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c
index 98adccf..dc77330 100644
--- a/drivers/char/drm/i830_dma.c
+++ b/drivers/char/drm/i830_dma.c
@@ -92,16 +92,7 @@ static int i830_freelist_put(drm_device_t *dev, drm_buf_t *buf)
    	return 0;
 }
 
-static struct file_operations i830_buffer_fops = {
-	.open	 = drm_open,
-	.flush	 = drm_flush,
-	.release = drm_release,
-	.ioctl	 = drm_ioctl,
-	.mmap	 = i830_mmap_buffers,
-	.fasync  = drm_fasync,
-};
-
-int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
+static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 {
 	drm_file_t	    *priv	  = filp->private_data;
 	drm_device_t	    *dev;
@@ -128,6 +119,15 @@ int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 	return 0;
 }
 
+static struct file_operations i830_buffer_fops = {
+	.open	 = drm_open,
+	.flush	 = drm_flush,
+	.release = drm_release,
+	.ioctl	 = drm_ioctl,
+	.mmap	 = i830_mmap_buffers,
+	.fasync  = drm_fasync,
+};
+
 static int i830_map_buffer(drm_buf_t *buf, struct file *filp)
 {
 	drm_file_t	  *priv	  = filp->private_data;
diff --git a/drivers/char/drm/i830_drv.c b/drivers/char/drm/i830_drv.c
index aa80ad6..bc36be7 100644
--- a/drivers/char/drm/i830_drv.c
+++ b/drivers/char/drm/i830_drv.c
@@ -40,7 +40,7 @@
 
 #include "drm_pciids.h"
 
-int postinit( struct drm_device *dev, unsigned long flags )
+static int postinit( struct drm_device *dev, unsigned long flags )
 {
 	dev->counters += 4;
 	dev->types[6] = _DRM_STAT_IRQ;
diff --git a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h
index d4b2d09..df77461 100644
--- a/drivers/char/drm/i830_drv.h
+++ b/drivers/char/drm/i830_drv.h
@@ -123,8 +123,6 @@ typedef struct drm_i830_private {
 /* i830_dma.c */
 extern void i830_reclaim_buffers(drm_device_t *dev, struct file *filp);
 
-extern int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma);
-
 /* i830_irq.c */
 extern int i830_irq_emit( struct inode *inode, struct file *filp, 
 			  unsigned int cmd, unsigned long arg );
diff --git a/drivers/char/drm/i830_irq.c b/drivers/char/drm/i830_irq.c
index 6d7729f..a5923e5 100644
--- a/drivers/char/drm/i830_irq.c
+++ b/drivers/char/drm/i830_irq.c
@@ -54,8 +54,7 @@ irqreturn_t i830_driver_irq_handler( DRM_IRQ_ARGS )
 	return IRQ_HANDLED;
 }
 
-
-int i830_emit_irq(drm_device_t *dev)
+static int i830_emit_irq(drm_device_t *dev)
 {
 	drm_i830_private_t *dev_priv = dev->dev_private;
 	RING_LOCALS;
@@ -73,7 +72,7 @@ int i830_emit_irq(drm_device_t *dev)
 }
 
 
-int i830_wait_irq(drm_device_t *dev, int irq_nr)
+static int i830_wait_irq(drm_device_t *dev, int irq_nr)
 {
   	drm_i830_private_t *dev_priv = 
 	   (drm_i830_private_t *)dev->dev_private;
diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c
index 7300a09..acf9e52 100644
--- a/drivers/char/drm/i915_dma.c
+++ b/drivers/char/drm/i915_dma.c
@@ -1,10 +1,30 @@
 /* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
  */
 /**************************************************************************
- * 
+ *
  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
  * All Rights Reserved.
- * 
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
  **************************************************************************/
 
 #include "drmP.h"
@@ -12,23 +32,6 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 
-drm_ioctl_desc_t i915_ioctls[] = {
-	[DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, 1, 1},
-	[DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, 1, 0},
-	[DRM_IOCTL_NR(DRM_I915_FLIP)] = {i915_flip_bufs, 1, 0},
-	[DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] = {i915_batchbuffer, 1, 0},
-	[DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] = {i915_irq_emit, 1, 0},
-	[DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] = {i915_irq_wait, 1, 0},
-	[DRM_IOCTL_NR(DRM_I915_GETPARAM)] = {i915_getparam, 1, 0},
-	[DRM_IOCTL_NR(DRM_I915_SETPARAM)] = {i915_setparam, 1, 1},
-	[DRM_IOCTL_NR(DRM_I915_ALLOC)] = {i915_mem_alloc, 1, 0},
-	[DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, 1, 0},
-	[DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, 1, 1},
-	[DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, 1, 0}
-};
-
-int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
-
 /* Really want an OS-independent resettable timer.  Would like to have
  * this loop run for (eg) 3 sec, but have the timer reset every time
  * the head pointer changes, so that EBUSY only happens if the ring
@@ -75,7 +78,7 @@ void i915_kernel_lost_context(drm_device_t * dev)
 		dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY;
 }
 
-int i915_dma_cleanup(drm_device_t * dev)
+static int i915_dma_cleanup(drm_device_t * dev)
 {
 	/* Make sure interrupts are disabled here because the uninstall ioctl
 	 * may not have been called from userspace and after dev_private
@@ -227,7 +230,7 @@ static int i915_resume(drm_device_t * dev)
 	return 0;
 }
 
-int i915_dma_init(DRM_IOCTL_ARGS)
+static int i915_dma_init(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_i915_private_t *dev_priv;
@@ -538,7 +541,7 @@ static int i915_quiescent(drm_device_t * dev)
 	return i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__);
 }
 
-int i915_flush_ioctl(DRM_IOCTL_ARGS)
+static int i915_flush_ioctl(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 
@@ -547,7 +550,7 @@ int i915_flush_ioctl(DRM_IOCTL_ARGS)
 	return i915_quiescent(dev);
 }
 
-int i915_batchbuffer(DRM_IOCTL_ARGS)
+static int i915_batchbuffer(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -581,7 +584,7 @@ int i915_batchbuffer(DRM_IOCTL_ARGS)
 	return ret;
 }
 
-int i915_cmdbuffer(DRM_IOCTL_ARGS)
+static int i915_cmdbuffer(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -617,18 +620,7 @@ int i915_cmdbuffer(DRM_IOCTL_ARGS)
 	return 0;
 }
 
-int i915_do_cleanup_pageflip(drm_device_t * dev)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-
-	DRM_DEBUG("%s\n", __FUNCTION__);
-	if (dev_priv->current_page != 0)
-		i915_dispatch_flip(dev);
-
-	return 0;
-}
-
-int i915_flip_bufs(DRM_IOCTL_ARGS)
+static int i915_flip_bufs(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 
@@ -639,7 +631,7 @@ int i915_flip_bufs(DRM_IOCTL_ARGS)
 	return i915_dispatch_flip(dev);
 }
 
-int i915_getparam(DRM_IOCTL_ARGS)
+static int i915_getparam(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_i915_private_t *dev_priv = dev->dev_private;
@@ -674,7 +666,7 @@ int i915_getparam(DRM_IOCTL_ARGS)
 	return 0;
 }
 
-int i915_setparam(DRM_IOCTL_ARGS)
+static int i915_setparam(DRM_IOCTL_ARGS)
 {
 	DRM_DEVICE;
 	drm_i915_private_t *dev_priv = dev->dev_private;
@@ -723,3 +715,19 @@ void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp)
 	}
 }
 
+drm_ioctl_desc_t i915_ioctls[] = {
+	[DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, 1, 1},
+	[DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, 1, 0},
+	[DRM_IOCTL_NR(DRM_I915_FLIP)] = {i915_flip_bufs, 1, 0},
+	[DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] = {i915_batchbuffer, 1, 0},
+	[DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] = {i915_irq_emit, 1, 0},
+	[DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] = {i915_irq_wait, 1, 0},
+	[DRM_IOCTL_NR(DRM_I915_GETPARAM)] = {i915_getparam, 1, 0},
+	[DRM_IOCTL_NR(DRM_I915_SETPARAM)] = {i915_setparam, 1, 1},
+	[DRM_IOCTL_NR(DRM_I915_ALLOC)] = {i915_mem_alloc, 1, 0},
+	[DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, 1, 0},
+	[DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, 1, 1},
+	[DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, 1, 0}
+};
+
+int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h
index 7e55edf..23e027d 100644
--- a/drivers/char/drm/i915_drm.h
+++ b/drivers/char/drm/i915_drm.h
@@ -1,3 +1,30 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
 #ifndef _I915_DRM_H_
 #define _I915_DRM_H_
 
diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c
index 002b708..1f59d3f 100644
--- a/drivers/char/drm/i915_drv.c
+++ b/drivers/char/drm/i915_drv.c
@@ -1,11 +1,30 @@
 /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
  */
-
 /**************************************************************************
- * 
+ *
  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
  * All Rights Reserved.
- * 
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
  **************************************************************************/
 
 #include "drmP.h"
@@ -15,7 +34,7 @@
 
 #include "drm_pciids.h"
 
-int postinit( struct drm_device *dev, unsigned long flags )
+static int postinit( struct drm_device *dev, unsigned long flags )
 {
 	dev->counters += 4;
 	dev->types[6] = _DRM_STAT_IRQ;
@@ -78,6 +97,9 @@ static struct drm_driver driver = {
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+		.compat_ioctl = i915_compat_ioctl,
+#endif
 	},
 	.pci_driver = {
 		.name          = DRIVER_NAME,
diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h
index f6ca92a..9c37d23 100644
--- a/drivers/char/drm/i915_drv.h
+++ b/drivers/char/drm/i915_drv.h
@@ -1,10 +1,30 @@
 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
  */
 /**************************************************************************
- * 
+ *
  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
  * All Rights Reserved.
- * 
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
  **************************************************************************/
 
 #ifndef _I915_DRV_H_
@@ -79,14 +99,6 @@ typedef struct drm_i915_private {
 } drm_i915_private_t;
 
 				/* i915_dma.c */
-extern int i915_dma_init(DRM_IOCTL_ARGS);
-extern int i915_dma_cleanup(drm_device_t * dev);
-extern int i915_flush_ioctl(DRM_IOCTL_ARGS);
-extern int i915_batchbuffer(DRM_IOCTL_ARGS);
-extern int i915_flip_bufs(DRM_IOCTL_ARGS);
-extern int i915_getparam(DRM_IOCTL_ARGS);
-extern int i915_setparam(DRM_IOCTL_ARGS);
-extern int i915_cmdbuffer(DRM_IOCTL_ARGS);
 extern void i915_kernel_lost_context(drm_device_t * dev);
 extern void i915_driver_pretakedown(drm_device_t *dev);
 extern void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp);
@@ -94,8 +106,6 @@ extern void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp);
 /* i915_irq.c */
 extern int i915_irq_emit(DRM_IOCTL_ARGS);
 extern int i915_irq_wait(DRM_IOCTL_ARGS);
-extern int i915_wait_irq(drm_device_t * dev, int irq_nr);
-extern int i915_emit_irq(drm_device_t * dev);
 
 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
 extern void i915_driver_irq_preinstall(drm_device_t *dev);
@@ -110,6 +120,10 @@ extern void i915_mem_takedown(struct mem_block **heap);
 extern void i915_mem_release(drm_device_t * dev,
 			     DRMFILE filp, struct mem_block *heap);
 
+extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
+			      unsigned long arg);
+
+
 #define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, reg)
 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, reg, val)
 #define I915_READ16(reg) 	DRM_READ16(dev_priv->mmio_map, reg)
diff --git a/drivers/char/drm/i915_ioc32.c b/drivers/char/drm/i915_ioc32.c
new file mode 100644
index 0000000..fe009e1
--- /dev/null
+++ b/drivers/char/drm/i915_ioc32.c
@@ -0,0 +1,221 @@
+/**
+ * \file i915_ioc32.c
+ *
+ * 32-bit ioctl compatibility routines for the i915 DRM.
+ *
+ * \author Alan Hourihane <alanh@fairlite.demon.co.uk> 
+ *
+ *
+ * Copyright (C) Paul Mackerras 2005
+ * Copyright (C) Alan Hourihane 2005
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#include <linux/compat.h>
+#include <linux/ioctl32.h>
+
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+
+typedef struct _drm_i915_batchbuffer32 {
+	int start;		/* agp offset */
+	int used;		/* nr bytes in use */
+	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
+	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
+	int num_cliprects;	/* mulitpass with multiple cliprects? */
+	u32 cliprects;	/* pointer to userspace cliprects */
+} drm_i915_batchbuffer32_t;
+
+static int compat_i915_batchbuffer(struct file *file, unsigned int cmd,
+			   unsigned long arg)
+{
+	drm_i915_batchbuffer32_t batchbuffer32;
+	drm_i915_batchbuffer_t __user *batchbuffer;
+	
+	if (copy_from_user(&batchbuffer32, (void __user *)arg, sizeof(batchbuffer32)))
+		return -EFAULT;
+	
+	batchbuffer = compat_alloc_user_space(sizeof(*batchbuffer));
+	if (!access_ok(VERIFY_WRITE, batchbuffer, sizeof(*batchbuffer))
+	    || __put_user(batchbuffer32.start, &batchbuffer->start)
+	    || __put_user(batchbuffer32.used, &batchbuffer->used)
+	    || __put_user(batchbuffer32.DR1, &batchbuffer->DR1)
+	    || __put_user(batchbuffer32.DR4, &batchbuffer->DR4)
+	    || __put_user(batchbuffer32.num_cliprects, &batchbuffer->num_cliprects)
+	    || __put_user((int __user *)(unsigned long)batchbuffer32.cliprects,
+			  &batchbuffer->cliprects))
+		return -EFAULT;
+	
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_I915_BATCHBUFFER, (unsigned long) batchbuffer);
+}
+
+typedef struct _drm_i915_cmdbuffer32 {
+	u32 buf;	/* pointer to userspace command buffer */
+	int sz;			/* nr bytes in buf */
+	int DR1;		/* hw flags for GFX_OP_DRAWRECT_INFO */
+	int DR4;		/* window origin for GFX_OP_DRAWRECT_INFO */
+	int num_cliprects;	/* mulitpass with multiple cliprects? */
+	u32 cliprects;	/* pointer to userspace cliprects */
+} drm_i915_cmdbuffer32_t;
+
+static int compat_i915_cmdbuffer(struct file *file, unsigned int cmd,
+			   unsigned long arg)
+{
+	drm_i915_cmdbuffer32_t cmdbuffer32;
+	drm_i915_cmdbuffer_t __user *cmdbuffer;
+	
+	if (copy_from_user(&cmdbuffer32, (void __user *)arg, sizeof(cmdbuffer32)))
+		return -EFAULT;
+	
+	cmdbuffer = compat_alloc_user_space(sizeof(*cmdbuffer));
+	if (!access_ok(VERIFY_WRITE, cmdbuffer, sizeof(*cmdbuffer))
+	    || __put_user((int __user *)(unsigned long)cmdbuffer32.buf,
+			  &cmdbuffer->buf)
+	    || __put_user(cmdbuffer32.sz, &cmdbuffer->sz)
+	    || __put_user(cmdbuffer32.DR1, &cmdbuffer->DR1)
+	    || __put_user(cmdbuffer32.DR4, &cmdbuffer->DR4)
+	    || __put_user(cmdbuffer32.num_cliprects, &cmdbuffer->num_cliprects)
+	    || __put_user((int __user *)(unsigned long)cmdbuffer32.cliprects,
+			  &cmdbuffer->cliprects))
+		return -EFAULT;
+	
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_I915_CMDBUFFER, (unsigned long) cmdbuffer);
+}
+
+typedef struct drm_i915_irq_emit32 {
+	u32 irq_seq;
+} drm_i915_irq_emit32_t;
+
+static int compat_i915_irq_emit(struct file *file, unsigned int cmd,
+				  unsigned long arg)
+{
+	drm_i915_irq_emit32_t req32;
+	drm_i915_irq_emit_t __user *request;
+
+	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user((int __user *)(unsigned long)req32.irq_seq,
+			  &request->irq_seq))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_I915_IRQ_EMIT, (unsigned long) request);
+}
+typedef struct drm_i915_getparam32 {
+	int param;
+	u32 value;
+} drm_i915_getparam32_t;
+
+static int compat_i915_getparam(struct file *file, unsigned int cmd,
+				     unsigned long arg)
+{
+	drm_i915_getparam32_t req32;
+	drm_i915_getparam_t __user *request;
+
+	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user(req32.param, &request->param)
+	    || __put_user((void __user *)(unsigned long)req32.value,
+			  &request->value))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_I915_GETPARAM, (unsigned long) request);
+}
+
+typedef struct drm_i915_mem_alloc32 {
+	int region;
+	int alignment;
+	int size;
+	u32 region_offset;	/* offset from start of fb or agp */
+} drm_i915_mem_alloc32_t;
+
+static int compat_i915_alloc(struct file *file, unsigned int cmd,
+				     unsigned long arg)
+{
+	drm_i915_mem_alloc32_t req32;
+	drm_i915_mem_alloc_t __user *request;
+
+	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user(req32.region, &request->region)
+	    || __put_user(req32.alignment, &request->alignment)
+	    || __put_user(req32.size, &request->size)
+	    || __put_user((void __user *)(unsigned long)req32.region_offset,
+			  &request->region_offset))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_I915_ALLOC, (unsigned long) request);
+}
+
+
+drm_ioctl_compat_t *i915_compat_ioctls[] = {
+	[DRM_I915_BATCHBUFFER] = compat_i915_batchbuffer,
+	[DRM_I915_CMDBUFFER] = compat_i915_cmdbuffer,
+	[DRM_I915_GETPARAM] = compat_i915_getparam,
+	[DRM_I915_IRQ_EMIT] = compat_i915_irq_emit,
+	[DRM_I915_ALLOC] = compat_i915_alloc
+};
+
+/**
+ * Called whenever a 32-bit process running under a 64-bit kernel
+ * performs an ioctl on /dev/dri/card<n>.
+ *
+ * \param filp file pointer.
+ * \param cmd command.
+ * \param arg user argument.
+ * \return zero on success or negative number on failure.
+ */
+long i915_compat_ioctl(struct file *filp, unsigned int cmd,
+			 unsigned long arg)
+{
+	unsigned int nr = DRM_IOCTL_NR(cmd);
+	drm_ioctl_compat_t *fn = NULL;
+	int ret;
+
+	if (nr < DRM_COMMAND_BASE)
+		return drm_compat_ioctl(filp, cmd, arg);
+	
+	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(i915_compat_ioctls))
+		fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE];
+
+	lock_kernel();		/* XXX for now */
+	if (fn != NULL)
+		ret = (*fn)(filp, cmd, arg);
+	else
+		ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c
index b023926..4fa448e 100644
--- a/drivers/char/drm/i915_irq.c
+++ b/drivers/char/drm/i915_irq.c
@@ -1,10 +1,30 @@
 /* i915_dma.c -- DMA support for the I915 -*- linux-c -*-
  */
 /**************************************************************************
- * 
+ *
  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
  * All Rights Reserved.
- * 
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
  **************************************************************************/
 
 #include "drmP.h"
@@ -36,7 +56,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 	return IRQ_HANDLED;
 }
 
-int i915_emit_irq(drm_device_t * dev)
+static int i915_emit_irq(drm_device_t * dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	u32 ret;
@@ -56,7 +76,7 @@ int i915_emit_irq(drm_device_t * dev)
 	return ret;
 }
 
-int i915_wait_irq(drm_device_t * dev, int irq_nr)
+static int i915_wait_irq(drm_device_t * dev, int irq_nr)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 	int ret = 0;
diff --git a/drivers/char/drm/i915_mem.c b/drivers/char/drm/i915_mem.c
index d54a300..9b1698f 100644
--- a/drivers/char/drm/i915_mem.c
+++ b/drivers/char/drm/i915_mem.c
@@ -1,10 +1,30 @@
 /* i915_mem.c -- Simple agp/fb memory manager for i915 -*- linux-c -*-
  */
 /**************************************************************************
- * 
+ *
  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
  * All Rights Reserved.
- * 
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
  **************************************************************************/
 
 #include "drmP.h"
diff --git a/drivers/char/drm/mga_drv.c b/drivers/char/drm/mga_drv.c
index 22dab3e..844cca9 100644
--- a/drivers/char/drm/mga_drv.c
+++ b/drivers/char/drm/mga_drv.c
@@ -101,6 +101,9 @@ static struct drm_driver driver = {
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+		.compat_ioctl = mga_compat_ioctl,
+#endif
 	},
 	.pci_driver = {
 		.name = DRIVER_NAME,
diff --git a/drivers/char/drm/mga_drv.h b/drivers/char/drm/mga_drv.h
index 1d84a1e..9412e281 100644
--- a/drivers/char/drm/mga_drv.h
+++ b/drivers/char/drm/mga_drv.h
@@ -137,6 +137,8 @@ extern irqreturn_t mga_driver_irq_handler( DRM_IRQ_ARGS );
 extern void mga_driver_irq_preinstall( drm_device_t *dev );
 extern void mga_driver_irq_postinstall( drm_device_t *dev );
 extern void mga_driver_irq_uninstall( drm_device_t *dev );
+extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
+			     unsigned long arg);
 
 #define mga_flush_write_combine()	DRM_WRITEMEMORYBARRIER()
 
diff --git a/drivers/char/drm/mga_ioc32.c b/drivers/char/drm/mga_ioc32.c
new file mode 100644
index 0000000..bc745cf
--- /dev/null
+++ b/drivers/char/drm/mga_ioc32.c
@@ -0,0 +1,167 @@
+/**
+ * \file mga_ioc32.c
+ *
+ * 32-bit ioctl compatibility routines for the MGA DRM.
+ *
+ * \author Dave Airlie <airlied@linux.ie> with code from patches by Egbert Eich
+ *
+ *
+ * Copyright (C) Paul Mackerras 2005
+ * Copyright (C) Egbert Eich 2003,2004
+ * Copyright (C) Dave Airlie 2005
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#include <linux/compat.h>
+#include <linux/ioctl32.h>
+
+#include "drmP.h"
+#include "drm.h"
+#include "mga_drm.h"
+
+typedef struct drm32_mga_init {
+	int func;
+   	u32 sarea_priv_offset;
+	int chipset;
+   	int sgram;
+	unsigned int maccess;
+   	unsigned int fb_cpp;
+	unsigned int front_offset, front_pitch;
+   	unsigned int back_offset, back_pitch;
+   	unsigned int depth_cpp;
+   	unsigned int depth_offset, depth_pitch;
+   	unsigned int texture_offset[MGA_NR_TEX_HEAPS];
+   	unsigned int texture_size[MGA_NR_TEX_HEAPS];
+	u32 fb_offset;
+	u32 mmio_offset;
+	u32 status_offset;
+	u32 warp_offset;
+	u32 primary_offset;
+	u32 buffers_offset;
+} drm_mga_init32_t;
+
+static int compat_mga_init(struct file *file, unsigned int cmd,
+			   unsigned long arg)
+{
+	drm_mga_init32_t init32;
+	drm_mga_init_t __user *init;
+	int err = 0, i;
+	
+	if (copy_from_user(&init32, (void __user *)arg, sizeof(init32)))
+		return -EFAULT;
+	
+	init = compat_alloc_user_space(sizeof(*init));
+	if (!access_ok(VERIFY_WRITE, init, sizeof(*init))
+	    || __put_user(init32.func, &init->func)
+	    || __put_user(init32.sarea_priv_offset, &init->sarea_priv_offset)
+	    || __put_user(init32.chipset, &init->chipset)
+	    || __put_user(init32.sgram, &init->sgram)
+	    || __put_user(init32.maccess, &init->maccess)
+	    || __put_user(init32.fb_cpp, &init->fb_cpp)
+	    || __put_user(init32.front_offset, &init->front_offset)
+	    || __put_user(init32.front_pitch, &init->front_pitch)
+	    || __put_user(init32.back_offset, &init->back_offset)
+	    || __put_user(init32.back_pitch, &init->back_pitch)
+	    || __put_user(init32.depth_cpp, &init->depth_cpp)
+	    || __put_user(init32.depth_offset, &init->depth_offset)
+	    || __put_user(init32.depth_pitch, &init->depth_pitch)
+	    || __put_user(init32.fb_offset, &init->fb_offset)
+	    || __put_user(init32.mmio_offset, &init->mmio_offset)
+	    || __put_user(init32.status_offset, &init->status_offset)
+	    || __put_user(init32.warp_offset, &init->warp_offset)
+	    || __put_user(init32.primary_offset, &init->primary_offset)
+	    || __put_user(init32.buffers_offset, &init->buffers_offset))
+		return -EFAULT;
+	
+	for (i=0; i<MGA_NR_TEX_HEAPS; i++)
+	{
+		err |= __put_user(init32.texture_offset[i], &init->texture_offset[i]);
+		err |= __put_user(init32.texture_size[i], &init->texture_size[i]);
+	}
+	if (err)
+		return -EFAULT;
+	
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_MGA_INIT, (unsigned long) init);
+}
+
+
+typedef struct drm_mga_getparam32 {
+	int param;
+	u32 value;
+} drm_mga_getparam32_t;
+
+
+static int compat_mga_getparam(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_mga_getparam32_t getparam32;
+	drm_mga_getparam_t __user *getparam;
+	
+	if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32)))
+		return -EFAULT;
+
+	getparam = compat_alloc_user_space(sizeof(*getparam));
+	if (!access_ok(VERIFY_WRITE, getparam, sizeof(*getparam))
+	    || __put_user(getparam32.param, &getparam->param)
+	    || __put_user((void __user *)(unsigned long)getparam32.value, &getparam->value))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file, 
+			 DRM_IOCTL_MGA_GETPARAM, (unsigned long)getparam);
+}
+
+drm_ioctl_compat_t *mga_compat_ioctls[] = {
+	[DRM_MGA_INIT] = compat_mga_init,
+	[DRM_MGA_GETPARAM] = compat_mga_getparam,
+};
+
+/**
+ * Called whenever a 32-bit process running under a 64-bit kernel
+ * performs an ioctl on /dev/dri/card<n>.
+ *
+ * \param filp file pointer.
+ * \param cmd command.
+ * \param arg user argument.
+ * \return zero on success or negative number on failure.
+ */
+long mga_compat_ioctl(struct file *filp, unsigned int cmd,
+			 unsigned long arg)
+{
+	unsigned int nr = DRM_IOCTL_NR(cmd);
+	drm_ioctl_compat_t *fn = NULL;
+	int ret;
+
+	if (nr < DRM_COMMAND_BASE)
+		return drm_compat_ioctl(filp, cmd, arg);
+	
+	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(mga_compat_ioctls))
+		fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE];
+
+	lock_kernel();		/* XXX for now */
+	if (fn != NULL)
+		ret = (*fn)(filp, cmd, arg);
+	else
+		ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
diff --git a/drivers/char/drm/r128_drv.c b/drivers/char/drm/r128_drv.c
index ced6381..bc446da 100644
--- a/drivers/char/drm/r128_drv.c
+++ b/drivers/char/drm/r128_drv.c
@@ -96,6 +96,9 @@ static struct drm_driver driver = {
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+		.compat_ioctl = r128_compat_ioctl,
+#endif
 	},
 	.pci_driver = {
 		.name          = DRIVER_NAME,
diff --git a/drivers/char/drm/r128_drv.h b/drivers/char/drm/r128_drv.h
index cf1aa5d..0fb687c9 100644
--- a/drivers/char/drm/r128_drv.h
+++ b/drivers/char/drm/r128_drv.h
@@ -156,6 +156,9 @@ extern void r128_driver_irq_uninstall( drm_device_t *dev );
 extern void r128_driver_pretakedown(drm_device_t *dev);
 extern void r128_driver_prerelease(drm_device_t *dev, DRMFILE filp);
 
+extern long r128_compat_ioctl(struct file *filp, unsigned int cmd,
+			      unsigned long arg);
+
 /* Register definitions, register access macros and drmAddMap constants
  * for Rage 128 kernel driver.
  */
diff --git a/drivers/char/drm/r128_ioc32.c b/drivers/char/drm/r128_ioc32.c
new file mode 100644
index 0000000..60598ef
--- /dev/null
+++ b/drivers/char/drm/r128_ioc32.c
@@ -0,0 +1,219 @@
+/**
+ * \file r128_ioc32.c
+ *
+ * 32-bit ioctl compatibility routines for the R128 DRM.
+ *
+ * \author Dave Airlie <airlied@linux.ie> with code from patches by Egbert Eich
+ *
+ * Copyright (C) Paul Mackerras 2005
+ * Copyright (C) Egbert Eich 2003,2004
+ * Copyright (C) Dave Airlie 2005
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#include <linux/compat.h>
+#include <linux/ioctl32.h>
+
+#include "drmP.h"
+#include "drm.h"
+#include "r128_drm.h"
+
+typedef struct drm_r128_init32 {
+	int func;
+	unsigned int sarea_priv_offset;
+	int is_pci;
+	int cce_mode;
+	int cce_secure;
+	int ring_size;
+	int usec_timeout;
+
+	unsigned int fb_bpp;
+	unsigned int front_offset, front_pitch;
+	unsigned int back_offset, back_pitch;
+	unsigned int depth_bpp;
+	unsigned int depth_offset, depth_pitch;
+	unsigned int span_offset;
+
+	unsigned int fb_offset;
+	unsigned int mmio_offset;
+	unsigned int ring_offset;
+	unsigned int ring_rptr_offset;
+	unsigned int buffers_offset;
+	unsigned int agp_textures_offset;
+} drm_r128_init32_t;
+
+static int compat_r128_init(struct file *file, unsigned int cmd,
+			    unsigned long arg)
+{
+	drm_r128_init32_t init32;
+	drm_r128_init_t __user *init;
+	
+	if (copy_from_user(&init32, (void __user *)arg, sizeof(init32)))
+		return -EFAULT;
+	
+	init = compat_alloc_user_space(sizeof(*init));
+	if (!access_ok(VERIFY_WRITE, init, sizeof(*init))
+	    || __put_user(init32.func, &init->func)
+	    || __put_user(init32.sarea_priv_offset, &init->sarea_priv_offset)
+	    || __put_user(init32.is_pci, &init->is_pci)
+	    || __put_user(init32.cce_mode, &init->cce_mode)
+	    || __put_user(init32.cce_secure, &init->cce_secure)
+	    || __put_user(init32.ring_size, &init->ring_size)
+	    || __put_user(init32.usec_timeout, &init->usec_timeout)
+	    || __put_user(init32.fb_bpp, &init->fb_bpp)
+	    || __put_user(init32.front_offset, &init->front_offset)
+	    || __put_user(init32.front_pitch, &init->front_pitch)
+	    || __put_user(init32.back_offset, &init->back_offset)
+	    || __put_user(init32.back_pitch, &init->back_pitch)
+	    || __put_user(init32.depth_bpp, &init->depth_bpp)
+	    || __put_user(init32.depth_offset, &init->depth_offset)
+	    || __put_user(init32.depth_pitch, &init->depth_pitch)
+	    || __put_user(init32.span_offset, &init->span_offset)
+	    || __put_user(init32.fb_offset, &init->fb_offset)
+	    || __put_user(init32.mmio_offset, &init->mmio_offset)
+	    || __put_user(init32.ring_offset, &init->ring_offset)
+	    || __put_user(init32.ring_rptr_offset, &init->ring_rptr_offset)
+	    || __put_user(init32.buffers_offset, &init->buffers_offset)
+	    || __put_user(init32.agp_textures_offset, &init->agp_textures_offset))
+		return -EFAULT;
+	
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_R128_INIT, (unsigned long)init);
+}
+
+
+typedef struct drm_r128_depth32 {
+	int func;
+	int n;
+	u32 x;
+	u32 y;
+	u32 buffer;
+	u32 mask;
+} drm_r128_depth32_t;
+
+static int compat_r128_depth(struct file *file, unsigned int cmd,
+			     unsigned long arg)
+{
+	drm_r128_depth32_t depth32;
+	drm_r128_depth_t __user *depth;
+
+	if (copy_from_user(&depth32, (void __user *)arg, sizeof(depth32)))
+		return -EFAULT;
+
+	depth = compat_alloc_user_space(sizeof(*depth));
+	if (!access_ok(VERIFY_WRITE, depth, sizeof(*depth))
+	    || __put_user(depth32.func, &depth->func)
+	    || __put_user(depth32.n, &depth->n)
+	    || __put_user((int __user *)(unsigned long)depth32.x, &depth->x)
+	    || __put_user((int __user *)(unsigned long)depth32.y, &depth->y)
+	    || __put_user((unsigned int __user *)(unsigned long)depth32.buffer, &depth->buffer)
+	    || __put_user((unsigned char __user *)(unsigned long)depth32.mask, &depth->mask))
+		return -EFAULT;
+	
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_R128_DEPTH, (unsigned long)depth);	
+	
+}
+
+typedef struct drm_r128_stipple32 {
+	u32 mask;
+} drm_r128_stipple32_t;
+
+static int compat_r128_stipple(struct file *file, unsigned int cmd,
+			       unsigned long arg)
+{
+	drm_r128_stipple32_t stipple32;
+	drm_r128_stipple_t __user *stipple;
+
+	if (copy_from_user(&stipple32, (void __user *)arg, sizeof(stipple32)))
+		return -EFAULT;
+
+	stipple = compat_alloc_user_space(sizeof(*stipple));
+	if (!access_ok(VERIFY_WRITE, stipple, sizeof(*stipple))
+	    || __put_user((unsigned int __user *)(unsigned long)stipple32.mask, &stipple->mask))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_R128_STIPPLE, (unsigned long)stipple);
+}
+
+typedef struct drm_r128_getparam32 {
+	int param;
+	u32 value;
+} drm_r128_getparam32_t;
+
+static int compat_r128_getparam(struct file *file, unsigned int cmd,
+				unsigned long arg)
+{
+	drm_r128_getparam32_t getparam32;
+	drm_r128_getparam_t __user *getparam;
+
+	if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32)))
+		return -EFAULT;
+
+	getparam = compat_alloc_user_space(sizeof(*getparam));
+	if (!access_ok(VERIFY_WRITE, getparam, sizeof(*getparam))
+	    || __put_user(getparam32.param, &getparam->param)
+	    || __put_user((void __user *)(unsigned long)getparam32.value, &getparam->value))
+		return -EFAULT;
+	
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam);
+}
+
+drm_ioctl_compat_t *r128_compat_ioctls[] = {
+	[DRM_R128_INIT] = compat_r128_init,
+	[DRM_R128_DEPTH] = compat_r128_depth,
+	[DRM_R128_STIPPLE] = compat_r128_stipple,
+	[DRM_R128_GETPARAM] = compat_r128_getparam,
+};
+
+/**
+ * Called whenever a 32-bit process running under a 64-bit kernel
+ * performs an ioctl on /dev/dri/card<n>.
+ *
+ * \param filp file pointer.
+ * \param cmd command.
+ * \param arg user argument.
+ * \return zero on success or negative number on failure.
+ */
+long r128_compat_ioctl(struct file *filp, unsigned int cmd,
+			 unsigned long arg)
+{
+	unsigned int nr = DRM_IOCTL_NR(cmd);
+	drm_ioctl_compat_t *fn = NULL;
+	int ret;
+
+	if (nr < DRM_COMMAND_BASE)
+		return drm_compat_ioctl(filp, cmd, arg);
+
+	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(r128_compat_ioctls))
+		fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE];
+
+	lock_kernel();		/* XXX for now */
+	if (fn != NULL)
+		ret = (*fn)(filp, cmd, arg);
+	else
+		ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
diff --git a/drivers/char/drm/r128_state.c b/drivers/char/drm/r128_state.c
index 53af691..426a71c 100644
--- a/drivers/char/drm/r128_state.c
+++ b/drivers/char/drm/r128_state.c
@@ -1307,7 +1307,7 @@ static int r128_do_init_pageflip( drm_device_t *dev )
 	return 0;
 }
 
-int r128_do_cleanup_pageflip( drm_device_t *dev )
+static int r128_do_cleanup_pageflip( drm_device_t *dev )
 {
 	drm_r128_private_t *dev_priv = dev->dev_private;
 	DRM_DEBUG( "\n" );
diff --git a/drivers/char/drm/radeon_drv.c b/drivers/char/drm/radeon_drv.c
index 7b983d9..18e4e5b 100644
--- a/drivers/char/drm/radeon_drv.c
+++ b/drivers/char/drm/radeon_drv.c
@@ -101,6 +101,9 @@ static struct drm_driver driver = {
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
+#ifdef CONFIG_COMPAT
+		.compat_ioctl = radeon_compat_ioctl,
+#endif
 	},
 	.pci_driver = {
 		.name          = DRIVER_NAME,
diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h
index 5837098..771aa80 100644
--- a/drivers/char/drm/radeon_drv.h
+++ b/drivers/char/drm/radeon_drv.h
@@ -317,6 +317,9 @@ extern int radeon_preinit( struct drm_device *dev, unsigned long flags );
 extern int radeon_postinit( struct drm_device *dev, unsigned long flags );
 extern int radeon_postcleanup( struct drm_device *dev );
 
+extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd,
+				unsigned long arg);
+
 /* Flags for stats.boxes
  */
 #define RADEON_BOX_DMA_IDLE      0x1
diff --git a/drivers/char/drm/radeon_ioc32.c b/drivers/char/drm/radeon_ioc32.c
new file mode 100644
index 0000000..bfe6122
--- /dev/null
+++ b/drivers/char/drm/radeon_ioc32.c
@@ -0,0 +1,395 @@
+/**
+ * \file radeon_ioc32.c
+ *
+ * 32-bit ioctl compatibility routines for the Radeon DRM.
+ *
+ * \author Paul Mackerras <paulus@samba.org>
+ *
+ * Copyright (C) Paul Mackerras 2005
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#include <linux/compat.h>
+#include <linux/ioctl32.h>
+
+#include "drmP.h"
+#include "drm.h"
+#include "radeon_drm.h"
+#include "radeon_drv.h"
+
+typedef struct drm_radeon_init32 {
+	int func;
+	u32 sarea_priv_offset;
+	int is_pci;
+	int cp_mode;
+	int gart_size;
+	int ring_size;
+	int usec_timeout;
+
+	unsigned int fb_bpp;
+	unsigned int front_offset, front_pitch;
+	unsigned int back_offset, back_pitch;
+	unsigned int depth_bpp;
+	unsigned int depth_offset, depth_pitch;
+
+	u32 fb_offset;
+	u32 mmio_offset;
+	u32 ring_offset;
+	u32 ring_rptr_offset;
+	u32 buffers_offset;
+	u32 gart_textures_offset;
+} drm_radeon_init32_t;
+
+static int compat_radeon_cp_init(struct file *file, unsigned int cmd,
+				 unsigned long arg)
+{
+	drm_radeon_init32_t init32;
+	drm_radeon_init_t __user *init;
+
+	if (copy_from_user(&init32, (void __user *)arg, sizeof(init32)))
+		return -EFAULT;
+
+	init = compat_alloc_user_space(sizeof(*init));
+	if (!access_ok(VERIFY_WRITE, init, sizeof(*init))
+	    || __put_user(init32.func, &init->func)
+	    || __put_user(init32.sarea_priv_offset, &init->sarea_priv_offset)
+	    || __put_user(init32.is_pci, &init->is_pci)
+	    || __put_user(init32.cp_mode, &init->cp_mode)
+	    || __put_user(init32.gart_size, &init->gart_size)
+	    || __put_user(init32.ring_size, &init->ring_size)
+	    || __put_user(init32.usec_timeout, &init->usec_timeout)
+	    || __put_user(init32.fb_bpp, &init->fb_bpp)
+	    || __put_user(init32.front_offset, &init->front_offset)
+	    || __put_user(init32.front_pitch, &init->front_pitch)
+	    || __put_user(init32.back_offset, &init->back_offset)
+	    || __put_user(init32.back_pitch, &init->back_pitch)
+	    || __put_user(init32.depth_bpp, &init->depth_bpp)
+	    || __put_user(init32.depth_offset, &init->depth_offset)
+	    || __put_user(init32.depth_pitch, &init->depth_pitch)
+	    || __put_user(init32.fb_offset, &init->fb_offset)
+	    || __put_user(init32.mmio_offset, &init->mmio_offset)
+	    || __put_user(init32.ring_offset, &init->ring_offset)
+	    || __put_user(init32.ring_rptr_offset, &init->ring_rptr_offset)
+	    || __put_user(init32.buffers_offset, &init->buffers_offset)
+	    || __put_user(init32.gart_textures_offset,
+			  &init->gart_textures_offset))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RADEON_CP_INIT, (unsigned long) init);
+}
+
+typedef struct drm_radeon_clear32 {
+	unsigned int flags;
+	unsigned int clear_color;
+	unsigned int clear_depth;
+	unsigned int color_mask;
+	unsigned int depth_mask;   /* misnamed field:  should be stencil */
+	u32	     depth_boxes;
+} drm_radeon_clear32_t;
+
+static int compat_radeon_cp_clear(struct file *file, unsigned int cmd,
+				  unsigned long arg)
+{
+	drm_radeon_clear32_t clr32;
+	drm_radeon_clear_t __user *clr;
+
+	if (copy_from_user(&clr32, (void __user *)arg, sizeof(clr32)))
+		return -EFAULT;
+
+	clr = compat_alloc_user_space(sizeof(*clr));
+	if (!access_ok(VERIFY_WRITE, clr, sizeof(*clr))
+	    || __put_user(clr32.flags, &clr->flags)
+	    || __put_user(clr32.clear_color, &clr->clear_color)
+	    || __put_user(clr32.clear_depth, &clr->clear_depth)
+	    || __put_user(clr32.color_mask, &clr->color_mask)
+	    || __put_user(clr32.depth_mask, &clr->depth_mask)
+	    || __put_user((void __user *)(unsigned long)clr32.depth_boxes,
+			  &clr->depth_boxes))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RADEON_CLEAR, (unsigned long) clr);
+}
+
+typedef struct drm_radeon_stipple32 {
+	u32 mask;
+} drm_radeon_stipple32_t;
+
+static int compat_radeon_cp_stipple(struct file *file, unsigned int cmd,
+				    unsigned long arg)
+{
+	drm_radeon_stipple32_t __user *argp = (void __user *) arg;
+	drm_radeon_stipple_t __user *request;
+	u32 mask;
+
+	if (get_user(mask, &argp->mask))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user((unsigned int __user *)(unsigned long) mask,
+			  &request->mask))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RADEON_STIPPLE, (unsigned long) request);
+}
+
+typedef struct drm_radeon_tex_image32 {
+	unsigned int x, y;		/* Blit coordinates */
+	unsigned int width, height;
+	u32 data;
+} drm_radeon_tex_image32_t;
+
+typedef struct drm_radeon_texture32 {
+	unsigned int offset;
+	int pitch;
+	int format;
+	int width;			/* Texture image coordinates */
+	int height;
+	u32 image;
+} drm_radeon_texture32_t;
+
+static int compat_radeon_cp_texture(struct file *file, unsigned int cmd,
+				    unsigned long arg)
+{
+	drm_radeon_texture32_t req32;
+	drm_radeon_texture_t __user *request;
+	drm_radeon_tex_image32_t img32;
+	drm_radeon_tex_image_t __user *image;
+
+	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
+		return -EFAULT;
+	if (req32.image == 0)
+		return -EINVAL;
+	if (copy_from_user(&img32, (void __user *)(unsigned long)req32.image,
+			   sizeof(img32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request) + sizeof(*image));
+	if (!access_ok(VERIFY_WRITE, request,
+		       sizeof(*request) + sizeof(*image)))
+		return -EFAULT;
+	image = (drm_radeon_tex_image_t __user *) (request + 1);
+
+	if (__put_user(req32.offset, &request->offset)
+	    || __put_user(req32.pitch, &request->pitch)
+	    || __put_user(req32.format, &request->format)
+	    || __put_user(req32.width, &request->width)
+	    || __put_user(req32.height, &request->height)
+	    || __put_user(image, &request->image)
+	    || __put_user(img32.x, &image->x)
+	    || __put_user(img32.y, &image->y)
+	    || __put_user(img32.width, &image->width)
+	    || __put_user(img32.height, &image->height)
+	    || __put_user((const void __user *)(unsigned long)img32.data,
+			  &image->data))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RADEON_TEXTURE, (unsigned long) request);
+}
+
+typedef struct drm_radeon_vertex2_32 {
+	int idx;			/* Index of vertex buffer */
+	int discard;			/* Client finished with buffer? */
+	int nr_states;
+	u32 state;
+	int nr_prims;
+	u32 prim;
+} drm_radeon_vertex2_32_t;
+
+static int compat_radeon_cp_vertex2(struct file *file, unsigned int cmd,
+				    unsigned long arg)
+{
+	drm_radeon_vertex2_32_t req32;
+	drm_radeon_vertex2_t __user *request;
+
+	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user(req32.idx, &request->idx)
+	    || __put_user(req32.discard, &request->discard)
+	    || __put_user(req32.nr_states, &request->nr_states)
+	    || __put_user((void __user *)(unsigned long)req32.state,
+			  &request->state)
+	    || __put_user(req32.nr_prims, &request->nr_prims)
+	    || __put_user((void __user *)(unsigned long)req32.prim,
+			  &request->prim))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RADEON_VERTEX2, (unsigned long) request);
+}
+
+typedef struct drm_radeon_cmd_buffer32 {
+	int bufsz;
+	u32 buf;
+	int nbox;
+	u32 boxes;
+} drm_radeon_cmd_buffer32_t;
+
+static int compat_radeon_cp_cmdbuf(struct file *file, unsigned int cmd,
+				   unsigned long arg)
+{
+	drm_radeon_cmd_buffer32_t req32;
+	drm_radeon_cmd_buffer_t __user *request;
+
+	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user(req32.bufsz, &request->bufsz)
+	    || __put_user((void __user *)(unsigned long)req32.buf,
+			  &request->buf)
+	    || __put_user(req32.nbox, &request->nbox)
+	    || __put_user((void __user *)(unsigned long)req32.boxes,
+			  &request->boxes))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RADEON_CMDBUF, (unsigned long) request);
+}
+
+typedef struct drm_radeon_getparam32 {
+	int param;
+	u32 value;
+} drm_radeon_getparam32_t;
+
+static int compat_radeon_cp_getparam(struct file *file, unsigned int cmd,
+				     unsigned long arg)
+{
+	drm_radeon_getparam32_t req32;
+	drm_radeon_getparam_t __user *request;
+
+	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user(req32.param, &request->param)
+	    || __put_user((void __user *)(unsigned long)req32.value,
+			  &request->value))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RADEON_GETPARAM, (unsigned long) request);
+}
+
+typedef struct drm_radeon_mem_alloc32 {
+	int region;
+	int alignment;
+	int size;
+	u32 region_offset;	/* offset from start of fb or GART */
+} drm_radeon_mem_alloc32_t;
+
+static int compat_radeon_mem_alloc(struct file *file, unsigned int cmd,
+				   unsigned long arg)
+{
+	drm_radeon_mem_alloc32_t req32;
+	drm_radeon_mem_alloc_t __user *request;
+
+	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user(req32.region, &request->region)
+	    || __put_user(req32.alignment, &request->alignment)
+	    || __put_user(req32.size, &request->size)
+	    || __put_user((int __user *)(unsigned long)req32.region_offset,
+			  &request->region_offset))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RADEON_ALLOC, (unsigned long) request);
+}
+
+typedef struct drm_radeon_irq_emit32 {
+	u32 irq_seq;
+} drm_radeon_irq_emit32_t;
+
+static int compat_radeon_irq_emit(struct file *file, unsigned int cmd,
+				  unsigned long arg)
+{
+	drm_radeon_irq_emit32_t req32;
+	drm_radeon_irq_emit_t __user *request;
+
+	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
+	    || __put_user((int __user *)(unsigned long)req32.irq_seq,
+			  &request->irq_seq))
+		return -EFAULT;
+
+	return drm_ioctl(file->f_dentry->d_inode, file,
+			 DRM_IOCTL_RADEON_IRQ_EMIT, (unsigned long) request);
+}
+
+drm_ioctl_compat_t *radeon_compat_ioctls[] = {
+	[DRM_RADEON_CP_INIT] = compat_radeon_cp_init,
+	[DRM_RADEON_CLEAR] = compat_radeon_cp_clear,
+	[DRM_RADEON_STIPPLE] = compat_radeon_cp_stipple,
+	[DRM_RADEON_TEXTURE] = compat_radeon_cp_texture,
+	[DRM_RADEON_VERTEX2] = compat_radeon_cp_vertex2,
+	[DRM_RADEON_CMDBUF] = compat_radeon_cp_cmdbuf,
+	[DRM_RADEON_GETPARAM] = compat_radeon_cp_getparam,
+	[DRM_RADEON_ALLOC] = compat_radeon_mem_alloc,
+	[DRM_RADEON_IRQ_EMIT] = compat_radeon_irq_emit,
+};
+
+/**
+ * Called whenever a 32-bit process running under a 64-bit kernel
+ * performs an ioctl on /dev/dri/card<n>.
+ *
+ * \param filp file pointer.
+ * \param cmd command.
+ * \param arg user argument.
+ * \return zero on success or negative number on failure.
+ */
+long radeon_compat_ioctl(struct file *filp, unsigned int cmd,
+			 unsigned long arg)
+{
+	unsigned int nr = DRM_IOCTL_NR(cmd);
+	drm_ioctl_compat_t *fn = NULL;
+	int ret;
+
+	if (nr < DRM_COMMAND_BASE)
+		return drm_compat_ioctl(filp, cmd, arg);
+
+	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(radeon_compat_ioctls))
+		fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE];
+
+	lock_kernel();		/* XXX for now */
+	if (fn != NULL)
+		ret = (*fn)(filp, cmd, arg);
+	else
+		ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
diff --git a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c
index 5b18bee..40474a6 100644
--- a/drivers/char/drm/radeon_irq.c
+++ b/drivers/char/drm/radeon_irq.c
@@ -35,6 +35,14 @@
 #include "radeon_drm.h"
 #include "radeon_drv.h"
 
+static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t *dev_priv, u32 mask)
+{
+	u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) & mask;
+	if (irqs)
+		RADEON_WRITE(RADEON_GEN_INT_STATUS, irqs);
+	return irqs;
+}
+
 /* Interrupts - Used for device synchronization and flushing in the
  * following circumstances:
  *
@@ -63,8 +71,8 @@ irqreturn_t radeon_driver_irq_handler( DRM_IRQ_ARGS )
 	/* Only consider the bits we're interested in - others could be used
 	 * outside the DRM
 	 */
-	stat = RADEON_READ(RADEON_GEN_INT_STATUS)
-	     & (RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT);
+	stat = radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK | 
+						  RADEON_CRTC_VBLANK_STAT));
 	if (!stat)
 		return IRQ_NONE;
 
@@ -80,19 +88,9 @@ irqreturn_t radeon_driver_irq_handler( DRM_IRQ_ARGS )
 		drm_vbl_send_signals( dev );
 	}
 
-	/* Acknowledge interrupts we handle */
-	RADEON_WRITE(RADEON_GEN_INT_STATUS, stat);
 	return IRQ_HANDLED;
 }
 
-static __inline__ void radeon_acknowledge_irqs(drm_radeon_private_t *dev_priv)
-{
-	u32 tmp = RADEON_READ( RADEON_GEN_INT_STATUS )
-		& (RADEON_SW_INT_TEST_ACK | RADEON_CRTC_VBLANK_STAT);
-	if (tmp)
-		RADEON_WRITE( RADEON_GEN_INT_STATUS, tmp );
-}
-
 static int radeon_emit_irq(drm_device_t *dev)
 {
 	drm_radeon_private_t *dev_priv = dev->dev_private;
@@ -123,11 +121,6 @@ static int radeon_wait_irq(drm_device_t *dev, int swi_nr)
 
 	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 
-	/* This is a hack to work around mysterious freezes on certain
-	 * systems:
-	 */ 
-	radeon_acknowledge_irqs( dev_priv );
-
 	DRM_WAIT_ON( ret, dev_priv->swi_queue, 3 * DRM_HZ, 
 		     RADEON_READ( RADEON_LAST_SWI_REG ) >= swi_nr );
 
@@ -146,7 +139,7 @@ int radeon_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
 		return DRM_ERR(EINVAL);
 	}
 
-	radeon_acknowledge_irqs( dev_priv );
+	radeon_acknowledge_irqs(dev_priv, RADEON_CRTC_VBLANK_STAT);
 
 	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
 
@@ -224,7 +217,8 @@ void radeon_driver_irq_preinstall( drm_device_t *dev ) {
       	RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 );
 
 	/* Clear bits if they're already high */
-	radeon_acknowledge_irqs( dev_priv );
+	radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
+					   RADEON_CRTC_VBLANK_STAT));
 }
 
 void radeon_driver_irq_postinstall( drm_device_t *dev ) {
diff --git a/drivers/char/drm/via_3d_reg.h b/drivers/char/drm/via_3d_reg.h
new file mode 100644
index 0000000..cf61bb5
--- /dev/null
+++ b/drivers/char/drm/via_3d_reg.h
@@ -0,0 +1,1651 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef VIA_3D_REG_H
+#define VIA_3D_REG_H
+#define HC_REG_BASE             0x0400
+
+#define HC_REG_TRANS_SPACE      0x0040
+
+#define HC_ParaN_MASK           0xffffffff
+#define HC_Para_MASK            0x00ffffff
+#define HC_SubA_MASK            0xff000000
+#define HC_SubA_SHIFT           24
+/* Transmission Setting
+ */
+#define HC_REG_TRANS_SET        0x003c
+#define HC_ParaSubType_MASK     0xff000000
+#define HC_ParaType_MASK        0x00ff0000
+#define HC_ParaOS_MASK          0x0000ff00
+#define HC_ParaAdr_MASK         0x000000ff
+#define HC_ParaSubType_SHIFT    24
+#define HC_ParaType_SHIFT       16
+#define HC_ParaOS_SHIFT         8
+#define HC_ParaAdr_SHIFT        0
+
+#define HC_ParaType_CmdVdata    0x0000
+#define HC_ParaType_NotTex      0x0001
+#define HC_ParaType_Tex         0x0002
+#define HC_ParaType_Palette     0x0003
+#define HC_ParaType_PreCR       0x0010
+#define HC_ParaType_Auto        0x00fe
+
+/* Transmission Space
+ */
+#define HC_REG_Hpara0           0x0040
+#define HC_REG_HpataAF          0x02fc
+
+/* Read
+ */
+#define HC_REG_HREngSt          0x0000
+#define HC_REG_HRFIFOempty      0x0004
+#define HC_REG_HRFIFOfull       0x0008
+#define HC_REG_HRErr            0x000c
+#define HC_REG_FIFOstatus       0x0010
+/* HC_REG_HREngSt          0x0000
+ */
+#define HC_HDASZC_MASK          0x00010000
+#define HC_HSGEMI_MASK          0x0000f000
+#define HC_HLGEMISt_MASK        0x00000f00
+#define HC_HCRSt_MASK           0x00000080
+#define HC_HSE0St_MASK          0x00000040
+#define HC_HSE1St_MASK          0x00000020
+#define HC_HPESt_MASK           0x00000010
+#define HC_HXESt_MASK           0x00000008
+#define HC_HBESt_MASK           0x00000004
+#define HC_HE2St_MASK           0x00000002
+#define HC_HE3St_MASK           0x00000001
+/* HC_REG_HRFIFOempty      0x0004
+ */
+#define HC_HRZDempty_MASK       0x00000010
+#define HC_HRTXAempty_MASK      0x00000008
+#define HC_HRTXDempty_MASK      0x00000004
+#define HC_HWZDempty_MASK       0x00000002
+#define HC_HWCDempty_MASK       0x00000001
+/* HC_REG_HRFIFOfull       0x0008
+ */
+#define HC_HRZDfull_MASK        0x00000010
+#define HC_HRTXAfull_MASK       0x00000008
+#define HC_HRTXDfull_MASK       0x00000004
+#define HC_HWZDfull_MASK        0x00000002
+#define HC_HWCDfull_MASK        0x00000001
+/* HC_REG_HRErr            0x000c
+ */
+#define HC_HAGPCMErr_MASK       0x80000000
+#define HC_HAGPCMErrC_MASK      0x70000000
+/* HC_REG_FIFOstatus       0x0010
+ */
+#define HC_HRFIFOATall_MASK     0x80000000
+#define HC_HRFIFOATbusy_MASK    0x40000000
+#define HC_HRATFGMDo_MASK       0x00000100
+#define HC_HRATFGMDi_MASK       0x00000080
+#define HC_HRATFRZD_MASK        0x00000040
+#define HC_HRATFRTXA_MASK       0x00000020
+#define HC_HRATFRTXD_MASK       0x00000010
+#define HC_HRATFWZD_MASK        0x00000008
+#define HC_HRATFWCD_MASK        0x00000004
+#define HC_HRATTXTAG_MASK       0x00000002
+#define HC_HRATTXCH_MASK        0x00000001
+
+/* AGP Command Setting
+ */
+#define HC_SubA_HAGPBstL        0x0060
+#define HC_SubA_HAGPBendL       0x0061
+#define HC_SubA_HAGPCMNT        0x0062
+#define HC_SubA_HAGPBpL         0x0063
+#define HC_SubA_HAGPBpH         0x0064
+/* HC_SubA_HAGPCMNT        0x0062
+ */
+#define HC_HAGPCMNT_MASK        0x00800000
+#define HC_HCmdErrClr_MASK      0x00400000
+#define HC_HAGPBendH_MASK       0x0000ff00
+#define HC_HAGPBstH_MASK        0x000000ff
+#define HC_HAGPBendH_SHIFT      8
+#define HC_HAGPBstH_SHIFT       0
+/* HC_SubA_HAGPBpL         0x0063
+ */
+#define HC_HAGPBpL_MASK         0x00fffffc
+#define HC_HAGPBpID_MASK        0x00000003
+#define HC_HAGPBpID_PAUSE       0x00000000
+#define HC_HAGPBpID_JUMP        0x00000001
+#define HC_HAGPBpID_STOP        0x00000002
+/* HC_SubA_HAGPBpH         0x0064
+ */
+#define HC_HAGPBpH_MASK         0x00ffffff
+
+/* Miscellaneous Settings
+ */
+#define HC_SubA_HClipTB         0x0070
+#define HC_SubA_HClipLR         0x0071
+#define HC_SubA_HFPClipTL       0x0072
+#define HC_SubA_HFPClipBL       0x0073
+#define HC_SubA_HFPClipLL       0x0074
+#define HC_SubA_HFPClipRL       0x0075
+#define HC_SubA_HFPClipTBH      0x0076
+#define HC_SubA_HFPClipLRH      0x0077
+#define HC_SubA_HLP             0x0078
+#define HC_SubA_HLPRF           0x0079
+#define HC_SubA_HSolidCL        0x007a
+#define HC_SubA_HPixGC          0x007b
+#define HC_SubA_HSPXYOS         0x007c
+#define HC_SubA_HVertexCNT      0x007d
+
+#define HC_HClipT_MASK          0x00fff000
+#define HC_HClipT_SHIFT         12
+#define HC_HClipB_MASK          0x00000fff
+#define HC_HClipB_SHIFT         0
+#define HC_HClipL_MASK          0x00fff000
+#define HC_HClipL_SHIFT         12
+#define HC_HClipR_MASK          0x00000fff
+#define HC_HClipR_SHIFT         0
+#define HC_HFPClipBH_MASK       0x0000ff00
+#define HC_HFPClipBH_SHIFT      8
+#define HC_HFPClipTH_MASK       0x000000ff
+#define HC_HFPClipTH_SHIFT      0
+#define HC_HFPClipRH_MASK       0x0000ff00
+#define HC_HFPClipRH_SHIFT      8
+#define HC_HFPClipLH_MASK       0x000000ff
+#define HC_HFPClipLH_SHIFT      0
+#define HC_HSolidCH_MASK        0x000000ff
+#define HC_HPixGC_MASK          0x00800000
+#define HC_HSPXOS_MASK          0x00fff000
+#define HC_HSPXOS_SHIFT         12
+#define HC_HSPYOS_MASK          0x00000fff
+
+/* Command
+ * Command A
+ */
+#define HC_HCmdHeader_MASK      0xfe000000	/*0xffe00000 */
+#define HC_HE3Fire_MASK         0x00100000
+#define HC_HPMType_MASK         0x000f0000
+#define HC_HEFlag_MASK          0x0000e000
+#define HC_HShading_MASK        0x00001c00
+#define HC_HPMValidN_MASK       0x00000200
+#define HC_HPLEND_MASK          0x00000100
+#define HC_HVCycle_MASK         0x000000ff
+#define HC_HVCycle_Style_MASK   0x000000c0
+#define HC_HVCycle_ChgA_MASK    0x00000030
+#define HC_HVCycle_ChgB_MASK    0x0000000c
+#define HC_HVCycle_ChgC_MASK    0x00000003
+#define HC_HPMType_Point        0x00000000
+#define HC_HPMType_Line         0x00010000
+#define HC_HPMType_Tri          0x00020000
+#define HC_HPMType_TriWF        0x00040000
+#define HC_HEFlag_NoAA          0x00000000
+#define HC_HEFlag_ab            0x00008000
+#define HC_HEFlag_bc            0x00004000
+#define HC_HEFlag_ca            0x00002000
+#define HC_HShading_Solid       0x00000000
+#define HC_HShading_FlatA       0x00000400
+#define HC_HShading_FlatB       0x00000800
+#define HC_HShading_FlatC       0x00000c00
+#define HC_HShading_Gouraud     0x00001000
+#define HC_HVCycle_Full         0x00000000
+#define HC_HVCycle_AFP          0x00000040
+#define HC_HVCycle_One          0x000000c0
+#define HC_HVCycle_NewA         0x00000000
+#define HC_HVCycle_AA           0x00000010
+#define HC_HVCycle_AB           0x00000020
+#define HC_HVCycle_AC           0x00000030
+#define HC_HVCycle_NewB         0x00000000
+#define HC_HVCycle_BA           0x00000004
+#define HC_HVCycle_BB           0x00000008
+#define HC_HVCycle_BC           0x0000000c
+#define HC_HVCycle_NewC         0x00000000
+#define HC_HVCycle_CA           0x00000001
+#define HC_HVCycle_CB           0x00000002
+#define HC_HVCycle_CC           0x00000003
+
+/* Command B
+ */
+#define HC_HLPrst_MASK          0x00010000
+#define HC_HLLastP_MASK         0x00008000
+#define HC_HVPMSK_MASK          0x00007f80
+#define HC_HBFace_MASK          0x00000040
+#define HC_H2nd1VT_MASK         0x0000003f
+#define HC_HVPMSK_X             0x00004000
+#define HC_HVPMSK_Y             0x00002000
+#define HC_HVPMSK_Z             0x00001000
+#define HC_HVPMSK_W             0x00000800
+#define HC_HVPMSK_Cd            0x00000400
+#define HC_HVPMSK_Cs            0x00000200
+#define HC_HVPMSK_S             0x00000100
+#define HC_HVPMSK_T             0x00000080
+
+/* Enable Setting
+ */
+#define HC_SubA_HEnable         0x0000
+#define HC_HenTXEnvMap_MASK     0x00200000
+#define HC_HenVertexCNT_MASK    0x00100000
+#define HC_HenCPUDAZ_MASK       0x00080000
+#define HC_HenDASZWC_MASK       0x00040000
+#define HC_HenFBCull_MASK       0x00020000
+#define HC_HenCW_MASK           0x00010000
+#define HC_HenAA_MASK           0x00008000
+#define HC_HenST_MASK           0x00004000
+#define HC_HenZT_MASK           0x00002000
+#define HC_HenZW_MASK           0x00001000
+#define HC_HenAT_MASK           0x00000800
+#define HC_HenAW_MASK           0x00000400
+#define HC_HenSP_MASK           0x00000200
+#define HC_HenLP_MASK           0x00000100
+#define HC_HenTXCH_MASK         0x00000080
+#define HC_HenTXMP_MASK         0x00000040
+#define HC_HenTXPP_MASK         0x00000020
+#define HC_HenTXTR_MASK         0x00000010
+#define HC_HenCS_MASK           0x00000008
+#define HC_HenFOG_MASK          0x00000004
+#define HC_HenABL_MASK          0x00000002
+#define HC_HenDT_MASK           0x00000001
+
+/* Z Setting
+ */
+#define HC_SubA_HZWBBasL        0x0010
+#define HC_SubA_HZWBBasH        0x0011
+#define HC_SubA_HZWBType        0x0012
+#define HC_SubA_HZBiasL         0x0013
+#define HC_SubA_HZWBend         0x0014
+#define HC_SubA_HZWTMD          0x0015
+#define HC_SubA_HZWCDL          0x0016
+#define HC_SubA_HZWCTAGnum      0x0017
+#define HC_SubA_HZCYNum         0x0018
+#define HC_SubA_HZWCFire        0x0019
+/* HC_SubA_HZWBType
+ */
+#define HC_HZWBType_MASK        0x00800000
+#define HC_HZBiasedWB_MASK      0x00400000
+#define HC_HZONEasFF_MASK       0x00200000
+#define HC_HZOONEasFF_MASK      0x00100000
+#define HC_HZWBFM_MASK          0x00030000
+#define HC_HZWBLoc_MASK         0x0000c000
+#define HC_HZWBPit_MASK         0x00003fff
+#define HC_HZWBFM_16            0x00000000
+#define HC_HZWBFM_32            0x00020000
+#define HC_HZWBFM_24            0x00030000
+#define HC_HZWBLoc_Local        0x00000000
+#define HC_HZWBLoc_SyS          0x00004000
+/* HC_SubA_HZWBend
+ */
+#define HC_HZWBend_MASK         0x00ffe000
+#define HC_HZBiasH_MASK         0x000000ff
+#define HC_HZWBend_SHIFT        10
+/* HC_SubA_HZWTMD
+ */
+#define HC_HZWTMD_MASK          0x00070000
+#define HC_HEBEBias_MASK        0x00007f00
+#define HC_HZNF_MASK            0x000000ff
+#define HC_HZWTMD_NeverPass     0x00000000
+#define HC_HZWTMD_LT            0x00010000
+#define HC_HZWTMD_EQ            0x00020000
+#define HC_HZWTMD_LE            0x00030000
+#define HC_HZWTMD_GT            0x00040000
+#define HC_HZWTMD_NE            0x00050000
+#define HC_HZWTMD_GE            0x00060000
+#define HC_HZWTMD_AllPass       0x00070000
+#define HC_HEBEBias_SHIFT       8
+/* HC_SubA_HZWCDL          0x0016
+ */
+#define HC_HZWCDL_MASK          0x00ffffff
+/* HC_SubA_HZWCTAGnum      0x0017
+ */
+#define HC_HZWCTAGnum_MASK      0x00ff0000
+#define HC_HZWCTAGnum_SHIFT     16
+#define HC_HZWCDH_MASK          0x000000ff
+#define HC_HZWCDH_SHIFT         0
+/* HC_SubA_HZCYNum         0x0018
+ */
+#define HC_HZCYNum_MASK         0x00030000
+#define HC_HZCYNum_SHIFT        16
+#define HC_HZWCQWnum_MASK       0x00003fff
+#define HC_HZWCQWnum_SHIFT      0
+/* HC_SubA_HZWCFire        0x0019
+ */
+#define HC_ZWCFire_MASK         0x00010000
+#define HC_HZWCQWnumLast_MASK   0x00003fff
+#define HC_HZWCQWnumLast_SHIFT  0
+
+/* Stencil Setting
+ */
+#define HC_SubA_HSTREF          0x0023
+#define HC_SubA_HSTMD           0x0024
+/* HC_SubA_HSBFM
+ */
+#define HC_HSBFM_MASK           0x00030000
+#define HC_HSBLoc_MASK          0x0000c000
+#define HC_HSBPit_MASK          0x00003fff
+/* HC_SubA_HSTREF
+ */
+#define HC_HSTREF_MASK          0x00ff0000
+#define HC_HSTOPMSK_MASK        0x0000ff00
+#define HC_HSTBMSK_MASK         0x000000ff
+#define HC_HSTREF_SHIFT         16
+#define HC_HSTOPMSK_SHIFT       8
+/* HC_SubA_HSTMD
+ */
+#define HC_HSTMD_MASK           0x00070000
+#define HC_HSTOPSF_MASK         0x000001c0
+#define HC_HSTOPSPZF_MASK       0x00000038
+#define HC_HSTOPSPZP_MASK       0x00000007
+#define HC_HSTMD_NeverPass      0x00000000
+#define HC_HSTMD_LT             0x00010000
+#define HC_HSTMD_EQ             0x00020000
+#define HC_HSTMD_LE             0x00030000
+#define HC_HSTMD_GT             0x00040000
+#define HC_HSTMD_NE             0x00050000
+#define HC_HSTMD_GE             0x00060000
+#define HC_HSTMD_AllPass        0x00070000
+#define HC_HSTOPSF_KEEP         0x00000000
+#define HC_HSTOPSF_ZERO         0x00000040
+#define HC_HSTOPSF_REPLACE      0x00000080
+#define HC_HSTOPSF_INCRSAT      0x000000c0
+#define HC_HSTOPSF_DECRSAT      0x00000100
+#define HC_HSTOPSF_INVERT       0x00000140
+#define HC_HSTOPSF_INCR         0x00000180
+#define HC_HSTOPSF_DECR         0x000001c0
+#define HC_HSTOPSPZF_KEEP       0x00000000
+#define HC_HSTOPSPZF_ZERO       0x00000008
+#define HC_HSTOPSPZF_REPLACE    0x00000010
+#define HC_HSTOPSPZF_INCRSAT    0x00000018
+#define HC_HSTOPSPZF_DECRSAT    0x00000020
+#define HC_HSTOPSPZF_INVERT     0x00000028
+#define HC_HSTOPSPZF_INCR       0x00000030
+#define HC_HSTOPSPZF_DECR       0x00000038
+#define HC_HSTOPSPZP_KEEP       0x00000000
+#define HC_HSTOPSPZP_ZERO       0x00000001
+#define HC_HSTOPSPZP_REPLACE    0x00000002
+#define HC_HSTOPSPZP_INCRSAT    0x00000003
+#define HC_HSTOPSPZP_DECRSAT    0x00000004
+#define HC_HSTOPSPZP_INVERT     0x00000005
+#define HC_HSTOPSPZP_INCR       0x00000006
+#define HC_HSTOPSPZP_DECR       0x00000007
+
+/* Alpha Setting
+ */
+#define HC_SubA_HABBasL         0x0030
+#define HC_SubA_HABBasH         0x0031
+#define HC_SubA_HABFM           0x0032
+#define HC_SubA_HATMD           0x0033
+#define HC_SubA_HABLCsat        0x0034
+#define HC_SubA_HABLCop         0x0035
+#define HC_SubA_HABLAsat        0x0036
+#define HC_SubA_HABLAop         0x0037
+#define HC_SubA_HABLRCa         0x0038
+#define HC_SubA_HABLRFCa        0x0039
+#define HC_SubA_HABLRCbias      0x003a
+#define HC_SubA_HABLRCb         0x003b
+#define HC_SubA_HABLRFCb        0x003c
+#define HC_SubA_HABLRAa         0x003d
+#define HC_SubA_HABLRAb         0x003e
+/* HC_SubA_HABFM
+ */
+#define HC_HABFM_MASK           0x00030000
+#define HC_HABLoc_MASK          0x0000c000
+#define HC_HABPit_MASK          0x000007ff
+/* HC_SubA_HATMD
+ */
+#define HC_HATMD_MASK           0x00000700
+#define HC_HATREF_MASK          0x000000ff
+#define HC_HATMD_NeverPass      0x00000000
+#define HC_HATMD_LT             0x00000100
+#define HC_HATMD_EQ             0x00000200
+#define HC_HATMD_LE             0x00000300
+#define HC_HATMD_GT             0x00000400
+#define HC_HATMD_NE             0x00000500
+#define HC_HATMD_GE             0x00000600
+#define HC_HATMD_AllPass        0x00000700
+/* HC_SubA_HABLCsat
+ */
+#define HC_HABLCsat_MASK        0x00010000
+#define HC_HABLCa_MASK          0x0000fc00
+#define HC_HABLCa_C_MASK        0x0000c000
+#define HC_HABLCa_OPC_MASK      0x00003c00
+#define HC_HABLFCa_MASK         0x000003f0
+#define HC_HABLFCa_C_MASK       0x00000300
+#define HC_HABLFCa_OPC_MASK     0x000000f0
+#define HC_HABLCbias_MASK       0x0000000f
+#define HC_HABLCbias_C_MASK     0x00000008
+#define HC_HABLCbias_OPC_MASK   0x00000007
+/*-- Define the input color.
+ */
+#define HC_XC_Csrc              0x00000000
+#define HC_XC_Cdst              0x00000001
+#define HC_XC_Asrc              0x00000002
+#define HC_XC_Adst              0x00000003
+#define HC_XC_Fog               0x00000004
+#define HC_XC_HABLRC            0x00000005
+#define HC_XC_minSrcDst         0x00000006
+#define HC_XC_maxSrcDst         0x00000007
+#define HC_XC_mimAsrcInvAdst    0x00000008
+#define HC_XC_OPC               0x00000000
+#define HC_XC_InvOPC            0x00000010
+#define HC_XC_OPCp5             0x00000020
+/*-- Define the input Alpha
+ */
+#define HC_XA_OPA               0x00000000
+#define HC_XA_InvOPA            0x00000010
+#define HC_XA_OPAp5             0x00000020
+#define HC_XA_0                 0x00000000
+#define HC_XA_Asrc              0x00000001
+#define HC_XA_Adst              0x00000002
+#define HC_XA_Fog               0x00000003
+#define HC_XA_minAsrcFog        0x00000004
+#define HC_XA_minAsrcAdst       0x00000005
+#define HC_XA_maxAsrcFog        0x00000006
+#define HC_XA_maxAsrcAdst       0x00000007
+#define HC_XA_HABLRA            0x00000008
+#define HC_XA_minAsrcInvAdst    0x00000008
+#define HC_XA_HABLFRA           0x00000009
+/*--
+ */
+#define HC_HABLCa_OPC           (HC_XC_OPC << 10)
+#define HC_HABLCa_InvOPC        (HC_XC_InvOPC << 10)
+#define HC_HABLCa_OPCp5         (HC_XC_OPCp5 << 10)
+#define HC_HABLCa_Csrc          (HC_XC_Csrc << 10)
+#define HC_HABLCa_Cdst          (HC_XC_Cdst << 10)
+#define HC_HABLCa_Asrc          (HC_XC_Asrc << 10)
+#define HC_HABLCa_Adst          (HC_XC_Adst << 10)
+#define HC_HABLCa_Fog           (HC_XC_Fog << 10)
+#define HC_HABLCa_HABLRCa       (HC_XC_HABLRC << 10)
+#define HC_HABLCa_minSrcDst     (HC_XC_minSrcDst << 10)
+#define HC_HABLCa_maxSrcDst     (HC_XC_maxSrcDst << 10)
+#define HC_HABLFCa_OPC              (HC_XC_OPC << 4)
+#define HC_HABLFCa_InvOPC           (HC_XC_InvOPC << 4)
+#define HC_HABLFCa_OPCp5            (HC_XC_OPCp5 << 4)
+#define HC_HABLFCa_Csrc             (HC_XC_Csrc << 4)
+#define HC_HABLFCa_Cdst             (HC_XC_Cdst << 4)
+#define HC_HABLFCa_Asrc             (HC_XC_Asrc << 4)
+#define HC_HABLFCa_Adst             (HC_XC_Adst << 4)
+#define HC_HABLFCa_Fog              (HC_XC_Fog << 4)
+#define HC_HABLFCa_HABLRCa          (HC_XC_HABLRC << 4)
+#define HC_HABLFCa_minSrcDst        (HC_XC_minSrcDst << 4)
+#define HC_HABLFCa_maxSrcDst        (HC_XC_maxSrcDst << 4)
+#define HC_HABLFCa_mimAsrcInvAdst   (HC_XC_mimAsrcInvAdst << 4)
+#define HC_HABLCbias_HABLRCbias 0x00000000
+#define HC_HABLCbias_Asrc       0x00000001
+#define HC_HABLCbias_Adst       0x00000002
+#define HC_HABLCbias_Fog        0x00000003
+#define HC_HABLCbias_Cin        0x00000004
+/* HC_SubA_HABLCop         0x0035
+ */
+#define HC_HABLdot_MASK         0x00010000
+#define HC_HABLCop_MASK         0x00004000
+#define HC_HABLCb_MASK          0x00003f00
+#define HC_HABLCb_C_MASK        0x00003000
+#define HC_HABLCb_OPC_MASK      0x00000f00
+#define HC_HABLFCb_MASK         0x000000fc
+#define HC_HABLFCb_C_MASK       0x000000c0
+#define HC_HABLFCb_OPC_MASK     0x0000003c
+#define HC_HABLCshift_MASK      0x00000003
+#define HC_HABLCb_OPC           (HC_XC_OPC << 8)
+#define HC_HABLCb_InvOPC        (HC_XC_InvOPC << 8)
+#define HC_HABLCb_OPCp5         (HC_XC_OPCp5 << 8)
+#define HC_HABLCb_Csrc          (HC_XC_Csrc << 8)
+#define HC_HABLCb_Cdst          (HC_XC_Cdst << 8)
+#define HC_HABLCb_Asrc          (HC_XC_Asrc << 8)
+#define HC_HABLCb_Adst          (HC_XC_Adst << 8)
+#define HC_HABLCb_Fog           (HC_XC_Fog << 8)
+#define HC_HABLCb_HABLRCa       (HC_XC_HABLRC << 8)
+#define HC_HABLCb_minSrcDst     (HC_XC_minSrcDst << 8)
+#define HC_HABLCb_maxSrcDst     (HC_XC_maxSrcDst << 8)
+#define HC_HABLFCb_OPC              (HC_XC_OPC << 2)
+#define HC_HABLFCb_InvOPC           (HC_XC_InvOPC << 2)
+#define HC_HABLFCb_OPCp5            (HC_XC_OPCp5 << 2)
+#define HC_HABLFCb_Csrc             (HC_XC_Csrc << 2)
+#define HC_HABLFCb_Cdst             (HC_XC_Cdst << 2)
+#define HC_HABLFCb_Asrc             (HC_XC_Asrc << 2)
+#define HC_HABLFCb_Adst             (HC_XC_Adst << 2)
+#define HC_HABLFCb_Fog              (HC_XC_Fog << 2)
+#define HC_HABLFCb_HABLRCb          (HC_XC_HABLRC << 2)
+#define HC_HABLFCb_minSrcDst        (HC_XC_minSrcDst << 2)
+#define HC_HABLFCb_maxSrcDst        (HC_XC_maxSrcDst << 2)
+#define HC_HABLFCb_mimAsrcInvAdst   (HC_XC_mimAsrcInvAdst << 2)
+/* HC_SubA_HABLAsat        0x0036
+ */
+#define HC_HABLAsat_MASK        0x00010000
+#define HC_HABLAa_MASK          0x0000fc00
+#define HC_HABLAa_A_MASK        0x0000c000
+#define HC_HABLAa_OPA_MASK      0x00003c00
+#define HC_HABLFAa_MASK         0x000003f0
+#define HC_HABLFAa_A_MASK       0x00000300
+#define HC_HABLFAa_OPA_MASK     0x000000f0
+#define HC_HABLAbias_MASK       0x0000000f
+#define HC_HABLAbias_A_MASK     0x00000008
+#define HC_HABLAbias_OPA_MASK   0x00000007
+#define HC_HABLAa_OPA           (HC_XA_OPA << 10)
+#define HC_HABLAa_InvOPA        (HC_XA_InvOPA << 10)
+#define HC_HABLAa_OPAp5         (HC_XA_OPAp5 << 10)
+#define HC_HABLAa_0             (HC_XA_0 << 10)
+#define HC_HABLAa_Asrc          (HC_XA_Asrc << 10)
+#define HC_HABLAa_Adst          (HC_XA_Adst << 10)
+#define HC_HABLAa_Fog           (HC_XA_Fog << 10)
+#define HC_HABLAa_minAsrcFog    (HC_XA_minAsrcFog << 10)
+#define HC_HABLAa_minAsrcAdst   (HC_XA_minAsrcAdst << 10)
+#define HC_HABLAa_maxAsrcFog    (HC_XA_maxAsrcFog << 10)
+#define HC_HABLAa_maxAsrcAdst   (HC_XA_maxAsrcAdst << 10)
+#define HC_HABLAa_HABLRA        (HC_XA_HABLRA << 10)
+#define HC_HABLFAa_OPA          (HC_XA_OPA << 4)
+#define HC_HABLFAa_InvOPA       (HC_XA_InvOPA << 4)
+#define HC_HABLFAa_OPAp5        (HC_XA_OPAp5 << 4)
+#define HC_HABLFAa_0            (HC_XA_0 << 4)
+#define HC_HABLFAa_Asrc         (HC_XA_Asrc << 4)
+#define HC_HABLFAa_Adst         (HC_XA_Adst << 4)
+#define HC_HABLFAa_Fog          (HC_XA_Fog << 4)
+#define HC_HABLFAa_minAsrcFog   (HC_XA_minAsrcFog << 4)
+#define HC_HABLFAa_minAsrcAdst  (HC_XA_minAsrcAdst << 4)
+#define HC_HABLFAa_maxAsrcFog   (HC_XA_maxAsrcFog << 4)
+#define HC_HABLFAa_maxAsrcAdst  (HC_XA_maxAsrcAdst << 4)
+#define HC_HABLFAa_minAsrcInvAdst   (HC_XA_minAsrcInvAdst << 4)
+#define HC_HABLFAa_HABLFRA          (HC_XA_HABLFRA << 4)
+#define HC_HABLAbias_HABLRAbias 0x00000000
+#define HC_HABLAbias_Asrc       0x00000001
+#define HC_HABLAbias_Adst       0x00000002
+#define HC_HABLAbias_Fog        0x00000003
+#define HC_HABLAbias_Aaa        0x00000004
+/* HC_SubA_HABLAop         0x0037
+ */
+#define HC_HABLAop_MASK         0x00004000
+#define HC_HABLAb_MASK          0x00003f00
+#define HC_HABLAb_OPA_MASK      0x00000f00
+#define HC_HABLFAb_MASK         0x000000fc
+#define HC_HABLFAb_OPA_MASK     0x0000003c
+#define HC_HABLAshift_MASK      0x00000003
+#define HC_HABLAb_OPA           (HC_XA_OPA << 8)
+#define HC_HABLAb_InvOPA        (HC_XA_InvOPA << 8)
+#define HC_HABLAb_OPAp5         (HC_XA_OPAp5 << 8)
+#define HC_HABLAb_0             (HC_XA_0 << 8)
+#define HC_HABLAb_Asrc          (HC_XA_Asrc << 8)
+#define HC_HABLAb_Adst          (HC_XA_Adst << 8)
+#define HC_HABLAb_Fog           (HC_XA_Fog << 8)
+#define HC_HABLAb_minAsrcFog    (HC_XA_minAsrcFog << 8)
+#define HC_HABLAb_minAsrcAdst   (HC_XA_minAsrcAdst << 8)
+#define HC_HABLAb_maxAsrcFog    (HC_XA_maxAsrcFog << 8)
+#define HC_HABLAb_maxAsrcAdst   (HC_XA_maxAsrcAdst << 8)
+#define HC_HABLAb_HABLRA        (HC_XA_HABLRA << 8)
+#define HC_HABLFAb_OPA          (HC_XA_OPA << 2)
+#define HC_HABLFAb_InvOPA       (HC_XA_InvOPA << 2)
+#define HC_HABLFAb_OPAp5        (HC_XA_OPAp5 << 2)
+#define HC_HABLFAb_0            (HC_XA_0 << 2)
+#define HC_HABLFAb_Asrc         (HC_XA_Asrc << 2)
+#define HC_HABLFAb_Adst         (HC_XA_Adst << 2)
+#define HC_HABLFAb_Fog          (HC_XA_Fog << 2)
+#define HC_HABLFAb_minAsrcFog   (HC_XA_minAsrcFog << 2)
+#define HC_HABLFAb_minAsrcAdst  (HC_XA_minAsrcAdst << 2)
+#define HC_HABLFAb_maxAsrcFog   (HC_XA_maxAsrcFog << 2)
+#define HC_HABLFAb_maxAsrcAdst  (HC_XA_maxAsrcAdst << 2)
+#define HC_HABLFAb_minAsrcInvAdst   (HC_XA_minAsrcInvAdst << 2)
+#define HC_HABLFAb_HABLFRA          (HC_XA_HABLFRA << 2)
+/* HC_SubA_HABLRAa         0x003d
+ */
+#define HC_HABLRAa_MASK         0x00ff0000
+#define HC_HABLRFAa_MASK        0x0000ff00
+#define HC_HABLRAbias_MASK      0x000000ff
+#define HC_HABLRAa_SHIFT        16
+#define HC_HABLRFAa_SHIFT       8
+/* HC_SubA_HABLRAb         0x003e
+ */
+#define HC_HABLRAb_MASK         0x0000ff00
+#define HC_HABLRFAb_MASK        0x000000ff
+#define HC_HABLRAb_SHIFT        8
+
+/* Destination Setting
+ */
+#define HC_SubA_HDBBasL         0x0040
+#define HC_SubA_HDBBasH         0x0041
+#define HC_SubA_HDBFM           0x0042
+#define HC_SubA_HFBBMSKL        0x0043
+#define HC_SubA_HROP            0x0044
+/* HC_SubA_HDBFM           0x0042
+ */
+#define HC_HDBFM_MASK           0x001f0000
+#define HC_HDBLoc_MASK          0x0000c000
+#define HC_HDBPit_MASK          0x00003fff
+#define HC_HDBFM_RGB555         0x00000000
+#define HC_HDBFM_RGB565         0x00010000
+#define HC_HDBFM_ARGB4444       0x00020000
+#define HC_HDBFM_ARGB1555       0x00030000
+#define HC_HDBFM_BGR555         0x00040000
+#define HC_HDBFM_BGR565         0x00050000
+#define HC_HDBFM_ABGR4444       0x00060000
+#define HC_HDBFM_ABGR1555       0x00070000
+#define HC_HDBFM_ARGB0888       0x00080000
+#define HC_HDBFM_ARGB8888       0x00090000
+#define HC_HDBFM_ABGR0888       0x000a0000
+#define HC_HDBFM_ABGR8888       0x000b0000
+#define HC_HDBLoc_Local         0x00000000
+#define HC_HDBLoc_Sys           0x00004000
+/* HC_SubA_HROP            0x0044
+ */
+#define HC_HROP_MASK            0x00000f00
+#define HC_HFBBMSKH_MASK        0x000000ff
+#define HC_HROP_BLACK           0x00000000
+#define HC_HROP_DPon            0x00000100
+#define HC_HROP_DPna            0x00000200
+#define HC_HROP_Pn              0x00000300
+#define HC_HROP_PDna            0x00000400
+#define HC_HROP_Dn              0x00000500
+#define HC_HROP_DPx             0x00000600
+#define HC_HROP_DPan            0x00000700
+#define HC_HROP_DPa             0x00000800
+#define HC_HROP_DPxn            0x00000900
+#define HC_HROP_D               0x00000a00
+#define HC_HROP_DPno            0x00000b00
+#define HC_HROP_P               0x00000c00
+#define HC_HROP_PDno            0x00000d00
+#define HC_HROP_DPo             0x00000e00
+#define HC_HROP_WHITE           0x00000f00
+
+/* Fog Setting
+ */
+#define HC_SubA_HFogLF          0x0050
+#define HC_SubA_HFogCL          0x0051
+#define HC_SubA_HFogCH          0x0052
+#define HC_SubA_HFogStL         0x0053
+#define HC_SubA_HFogStH         0x0054
+#define HC_SubA_HFogOOdMF       0x0055
+#define HC_SubA_HFogOOdEF       0x0056
+#define HC_SubA_HFogEndL        0x0057
+#define HC_SubA_HFogDenst       0x0058
+/* HC_SubA_FogLF           0x0050
+ */
+#define HC_FogLF_MASK           0x00000010
+#define HC_FogEq_MASK           0x00000008
+#define HC_FogMD_MASK           0x00000007
+#define HC_FogMD_LocalFog        0x00000000
+#define HC_FogMD_LinearFog       0x00000002
+#define HC_FogMD_ExponentialFog  0x00000004
+#define HC_FogMD_Exponential2Fog 0x00000005
+/* #define HC_FogMD_FogTable       0x00000003 */
+
+/* HC_SubA_HFogDenst        0x0058
+ */
+#define HC_FogDenst_MASK        0x001fff00
+#define HC_FogEndL_MASK         0x000000ff
+
+/* Texture subtype definitions
+ */
+#define HC_SubType_Tex0         0x00000000
+#define HC_SubType_Tex1         0x00000001
+#define HC_SubType_TexGeneral   0x000000fe
+
+/* Attribute of texture n
+ */
+#define HC_SubA_HTXnL0BasL      0x0000
+#define HC_SubA_HTXnL1BasL      0x0001
+#define HC_SubA_HTXnL2BasL      0x0002
+#define HC_SubA_HTXnL3BasL      0x0003
+#define HC_SubA_HTXnL4BasL      0x0004
+#define HC_SubA_HTXnL5BasL      0x0005
+#define HC_SubA_HTXnL6BasL      0x0006
+#define HC_SubA_HTXnL7BasL      0x0007
+#define HC_SubA_HTXnL8BasL      0x0008
+#define HC_SubA_HTXnL9BasL      0x0009
+#define HC_SubA_HTXnLaBasL      0x000a
+#define HC_SubA_HTXnLbBasL      0x000b
+#define HC_SubA_HTXnLcBasL      0x000c
+#define HC_SubA_HTXnLdBasL      0x000d
+#define HC_SubA_HTXnLeBasL      0x000e
+#define HC_SubA_HTXnLfBasL      0x000f
+#define HC_SubA_HTXnL10BasL     0x0010
+#define HC_SubA_HTXnL11BasL     0x0011
+#define HC_SubA_HTXnL012BasH    0x0020
+#define HC_SubA_HTXnL345BasH    0x0021
+#define HC_SubA_HTXnL678BasH    0x0022
+#define HC_SubA_HTXnL9abBasH    0x0023
+#define HC_SubA_HTXnLcdeBasH    0x0024
+#define HC_SubA_HTXnLf1011BasH  0x0025
+#define HC_SubA_HTXnL0Pit       0x002b
+#define HC_SubA_HTXnL1Pit       0x002c
+#define HC_SubA_HTXnL2Pit       0x002d
+#define HC_SubA_HTXnL3Pit       0x002e
+#define HC_SubA_HTXnL4Pit       0x002f
+#define HC_SubA_HTXnL5Pit       0x0030
+#define HC_SubA_HTXnL6Pit       0x0031
+#define HC_SubA_HTXnL7Pit       0x0032
+#define HC_SubA_HTXnL8Pit       0x0033
+#define HC_SubA_HTXnL9Pit       0x0034
+#define HC_SubA_HTXnLaPit       0x0035
+#define HC_SubA_HTXnLbPit       0x0036
+#define HC_SubA_HTXnLcPit       0x0037
+#define HC_SubA_HTXnLdPit       0x0038
+#define HC_SubA_HTXnLePit       0x0039
+#define HC_SubA_HTXnLfPit       0x003a
+#define HC_SubA_HTXnL10Pit      0x003b
+#define HC_SubA_HTXnL11Pit      0x003c
+#define HC_SubA_HTXnL0_5WE      0x004b
+#define HC_SubA_HTXnL6_bWE      0x004c
+#define HC_SubA_HTXnLc_11WE     0x004d
+#define HC_SubA_HTXnL0_5HE      0x0051
+#define HC_SubA_HTXnL6_bHE      0x0052
+#define HC_SubA_HTXnLc_11HE     0x0053
+#define HC_SubA_HTXnL0OS        0x0077
+#define HC_SubA_HTXnTB          0x0078
+#define HC_SubA_HTXnMPMD        0x0079
+#define HC_SubA_HTXnCLODu       0x007a
+#define HC_SubA_HTXnFM          0x007b
+#define HC_SubA_HTXnTRCH        0x007c
+#define HC_SubA_HTXnTRCL        0x007d
+#define HC_SubA_HTXnTBC         0x007e
+#define HC_SubA_HTXnTRAH        0x007f
+#define HC_SubA_HTXnTBLCsat     0x0080
+#define HC_SubA_HTXnTBLCop      0x0081
+#define HC_SubA_HTXnTBLMPfog    0x0082
+#define HC_SubA_HTXnTBLAsat     0x0083
+#define HC_SubA_HTXnTBLRCa      0x0085
+#define HC_SubA_HTXnTBLRCb      0x0086
+#define HC_SubA_HTXnTBLRCc      0x0087
+#define HC_SubA_HTXnTBLRCbias   0x0088
+#define HC_SubA_HTXnTBLRAa      0x0089
+#define HC_SubA_HTXnTBLRFog     0x008a
+#define HC_SubA_HTXnBumpM00     0x0090
+#define HC_SubA_HTXnBumpM01     0x0091
+#define HC_SubA_HTXnBumpM10     0x0092
+#define HC_SubA_HTXnBumpM11     0x0093
+#define HC_SubA_HTXnLScale      0x0094
+#define HC_SubA_HTXSMD          0x0000
+/* HC_SubA_HTXnL012BasH    0x0020
+ */
+#define HC_HTXnL0BasH_MASK      0x000000ff
+#define HC_HTXnL1BasH_MASK      0x0000ff00
+#define HC_HTXnL2BasH_MASK      0x00ff0000
+#define HC_HTXnL1BasH_SHIFT     8
+#define HC_HTXnL2BasH_SHIFT     16
+/* HC_SubA_HTXnL345BasH    0x0021
+ */
+#define HC_HTXnL3BasH_MASK      0x000000ff
+#define HC_HTXnL4BasH_MASK      0x0000ff00
+#define HC_HTXnL5BasH_MASK      0x00ff0000
+#define HC_HTXnL4BasH_SHIFT     8
+#define HC_HTXnL5BasH_SHIFT     16
+/* HC_SubA_HTXnL678BasH    0x0022
+ */
+#define HC_HTXnL6BasH_MASK      0x000000ff
+#define HC_HTXnL7BasH_MASK      0x0000ff00
+#define HC_HTXnL8BasH_MASK      0x00ff0000
+#define HC_HTXnL7BasH_SHIFT     8
+#define HC_HTXnL8BasH_SHIFT     16
+/* HC_SubA_HTXnL9abBasH    0x0023
+ */
+#define HC_HTXnL9BasH_MASK      0x000000ff
+#define HC_HTXnLaBasH_MASK      0x0000ff00
+#define HC_HTXnLbBasH_MASK      0x00ff0000
+#define HC_HTXnLaBasH_SHIFT     8
+#define HC_HTXnLbBasH_SHIFT     16
+/* HC_SubA_HTXnLcdeBasH    0x0024
+ */
+#define HC_HTXnLcBasH_MASK      0x000000ff
+#define HC_HTXnLdBasH_MASK      0x0000ff00
+#define HC_HTXnLeBasH_MASK      0x00ff0000
+#define HC_HTXnLdBasH_SHIFT     8
+#define HC_HTXnLeBasH_SHIFT     16
+/* HC_SubA_HTXnLcdeBasH    0x0025
+ */
+#define HC_HTXnLfBasH_MASK      0x000000ff
+#define HC_HTXnL10BasH_MASK      0x0000ff00
+#define HC_HTXnL11BasH_MASK      0x00ff0000
+#define HC_HTXnL10BasH_SHIFT     8
+#define HC_HTXnL11BasH_SHIFT     16
+/* HC_SubA_HTXnL0Pit       0x002b
+ */
+#define HC_HTXnLnPit_MASK       0x00003fff
+#define HC_HTXnEnPit_MASK       0x00080000
+#define HC_HTXnLnPitE_MASK      0x00f00000
+#define HC_HTXnLnPitE_SHIFT     20
+/* HC_SubA_HTXnL0_5WE      0x004b
+ */
+#define HC_HTXnL0WE_MASK        0x0000000f
+#define HC_HTXnL1WE_MASK        0x000000f0
+#define HC_HTXnL2WE_MASK        0x00000f00
+#define HC_HTXnL3WE_MASK        0x0000f000
+#define HC_HTXnL4WE_MASK        0x000f0000
+#define HC_HTXnL5WE_MASK        0x00f00000
+#define HC_HTXnL1WE_SHIFT       4
+#define HC_HTXnL2WE_SHIFT       8
+#define HC_HTXnL3WE_SHIFT       12
+#define HC_HTXnL4WE_SHIFT       16
+#define HC_HTXnL5WE_SHIFT       20
+/* HC_SubA_HTXnL6_bWE      0x004c
+ */
+#define HC_HTXnL6WE_MASK        0x0000000f
+#define HC_HTXnL7WE_MASK        0x000000f0
+#define HC_HTXnL8WE_MASK        0x00000f00
+#define HC_HTXnL9WE_MASK        0x0000f000
+#define HC_HTXnLaWE_MASK        0x000f0000
+#define HC_HTXnLbWE_MASK        0x00f00000
+#define HC_HTXnL7WE_SHIFT       4
+#define HC_HTXnL8WE_SHIFT       8
+#define HC_HTXnL9WE_SHIFT       12
+#define HC_HTXnLaWE_SHIFT       16
+#define HC_HTXnLbWE_SHIFT       20
+/* HC_SubA_HTXnLc_11WE      0x004d
+ */
+#define HC_HTXnLcWE_MASK        0x0000000f
+#define HC_HTXnLdWE_MASK        0x000000f0
+#define HC_HTXnLeWE_MASK        0x00000f00
+#define HC_HTXnLfWE_MASK        0x0000f000
+#define HC_HTXnL10WE_MASK       0x000f0000
+#define HC_HTXnL11WE_MASK       0x00f00000
+#define HC_HTXnLdWE_SHIFT       4
+#define HC_HTXnLeWE_SHIFT       8
+#define HC_HTXnLfWE_SHIFT       12
+#define HC_HTXnL10WE_SHIFT      16
+#define HC_HTXnL11WE_SHIFT      20
+/* HC_SubA_HTXnL0_5HE      0x0051
+ */
+#define HC_HTXnL0HE_MASK        0x0000000f
+#define HC_HTXnL1HE_MASK        0x000000f0
+#define HC_HTXnL2HE_MASK        0x00000f00
+#define HC_HTXnL3HE_MASK        0x0000f000
+#define HC_HTXnL4HE_MASK        0x000f0000
+#define HC_HTXnL5HE_MASK        0x00f00000
+#define HC_HTXnL1HE_SHIFT       4
+#define HC_HTXnL2HE_SHIFT       8
+#define HC_HTXnL3HE_SHIFT       12
+#define HC_HTXnL4HE_SHIFT       16
+#define HC_HTXnL5HE_SHIFT       20
+/* HC_SubA_HTXnL6_bHE      0x0052
+ */
+#define HC_HTXnL6HE_MASK        0x0000000f
+#define HC_HTXnL7HE_MASK        0x000000f0
+#define HC_HTXnL8HE_MASK        0x00000f00
+#define HC_HTXnL9HE_MASK        0x0000f000
+#define HC_HTXnLaHE_MASK        0x000f0000
+#define HC_HTXnLbHE_MASK        0x00f00000
+#define HC_HTXnL7HE_SHIFT       4
+#define HC_HTXnL8HE_SHIFT       8
+#define HC_HTXnL9HE_SHIFT       12
+#define HC_HTXnLaHE_SHIFT       16
+#define HC_HTXnLbHE_SHIFT       20
+/* HC_SubA_HTXnLc_11HE      0x0053
+ */
+#define HC_HTXnLcHE_MASK        0x0000000f
+#define HC_HTXnLdHE_MASK        0x000000f0
+#define HC_HTXnLeHE_MASK        0x00000f00
+#define HC_HTXnLfHE_MASK        0x0000f000
+#define HC_HTXnL10HE_MASK       0x000f0000
+#define HC_HTXnL11HE_MASK       0x00f00000
+#define HC_HTXnLdHE_SHIFT       4
+#define HC_HTXnLeHE_SHIFT       8
+#define HC_HTXnLfHE_SHIFT       12
+#define HC_HTXnL10HE_SHIFT      16
+#define HC_HTXnL11HE_SHIFT      20
+/* HC_SubA_HTXnL0OS        0x0077
+ */
+#define HC_HTXnL0OS_MASK        0x003ff000
+#define HC_HTXnLVmax_MASK       0x00000fc0
+#define HC_HTXnLVmin_MASK       0x0000003f
+#define HC_HTXnL0OS_SHIFT       12
+#define HC_HTXnLVmax_SHIFT      6
+/* HC_SubA_HTXnTB          0x0078
+ */
+#define HC_HTXnTB_MASK          0x00f00000
+#define HC_HTXnFLSe_MASK        0x0000e000
+#define HC_HTXnFLSs_MASK        0x00001c00
+#define HC_HTXnFLTe_MASK        0x00000380
+#define HC_HTXnFLTs_MASK        0x00000070
+#define HC_HTXnFLDs_MASK        0x0000000f
+#define HC_HTXnTB_NoTB          0x00000000
+#define HC_HTXnTB_TBC_S         0x00100000
+#define HC_HTXnTB_TBC_T         0x00200000
+#define HC_HTXnTB_TB_S          0x00400000
+#define HC_HTXnTB_TB_T          0x00800000
+#define HC_HTXnFLSe_Nearest     0x00000000
+#define HC_HTXnFLSe_Linear      0x00002000
+#define HC_HTXnFLSe_NonLinear   0x00004000
+#define HC_HTXnFLSe_Sharp       0x00008000
+#define HC_HTXnFLSe_Flat_Gaussian_Cubic 0x0000c000
+#define HC_HTXnFLSs_Nearest     0x00000000
+#define HC_HTXnFLSs_Linear      0x00000400
+#define HC_HTXnFLSs_NonLinear   0x00000800
+#define HC_HTXnFLSs_Flat_Gaussian_Cubic 0x00001800
+#define HC_HTXnFLTe_Nearest     0x00000000
+#define HC_HTXnFLTe_Linear      0x00000080
+#define HC_HTXnFLTe_NonLinear   0x00000100
+#define HC_HTXnFLTe_Sharp       0x00000180
+#define HC_HTXnFLTe_Flat_Gaussian_Cubic 0x00000300
+#define HC_HTXnFLTs_Nearest     0x00000000
+#define HC_HTXnFLTs_Linear      0x00000010
+#define HC_HTXnFLTs_NonLinear   0x00000020
+#define HC_HTXnFLTs_Flat_Gaussian_Cubic 0x00000060
+#define HC_HTXnFLDs_Tex0        0x00000000
+#define HC_HTXnFLDs_Nearest     0x00000001
+#define HC_HTXnFLDs_Linear      0x00000002
+#define HC_HTXnFLDs_NonLinear   0x00000003
+#define HC_HTXnFLDs_Dither      0x00000004
+#define HC_HTXnFLDs_ConstLOD    0x00000005
+#define HC_HTXnFLDs_Ani         0x00000006
+#define HC_HTXnFLDs_AniDither   0x00000007
+/* HC_SubA_HTXnMPMD        0x0079
+ */
+#define HC_HTXnMPMD_SMASK       0x00070000
+#define HC_HTXnMPMD_TMASK       0x00380000
+#define HC_HTXnLODDTf_MASK      0x00000007
+#define HC_HTXnXY2ST_MASK       0x00000008
+#define HC_HTXnMPMD_Tsingle     0x00000000
+#define HC_HTXnMPMD_Tclamp      0x00080000
+#define HC_HTXnMPMD_Trepeat     0x00100000
+#define HC_HTXnMPMD_Tmirror     0x00180000
+#define HC_HTXnMPMD_Twrap       0x00200000
+#define HC_HTXnMPMD_Ssingle     0x00000000
+#define HC_HTXnMPMD_Sclamp      0x00010000
+#define HC_HTXnMPMD_Srepeat     0x00020000
+#define HC_HTXnMPMD_Smirror     0x00030000
+#define HC_HTXnMPMD_Swrap       0x00040000
+/* HC_SubA_HTXnCLODu       0x007a
+ */
+#define HC_HTXnCLODu_MASK       0x000ffc00
+#define HC_HTXnCLODd_MASK       0x000003ff
+#define HC_HTXnCLODu_SHIFT      10
+/* HC_SubA_HTXnFM          0x007b
+ */
+#define HC_HTXnFM_MASK          0x00ff0000
+#define HC_HTXnLoc_MASK         0x00000003
+#define HC_HTXnFM_INDEX         0x00000000
+#define HC_HTXnFM_Intensity     0x00080000
+#define HC_HTXnFM_Lum           0x00100000
+#define HC_HTXnFM_Alpha         0x00180000
+#define HC_HTXnFM_DX            0x00280000
+#define HC_HTXnFM_ARGB16        0x00880000
+#define HC_HTXnFM_ARGB32        0x00980000
+#define HC_HTXnFM_ABGR16        0x00a80000
+#define HC_HTXnFM_ABGR32        0x00b80000
+#define HC_HTXnFM_RGBA16        0x00c80000
+#define HC_HTXnFM_RGBA32        0x00d80000
+#define HC_HTXnFM_BGRA16        0x00e80000
+#define HC_HTXnFM_BGRA32        0x00f80000
+#define HC_HTXnFM_BUMPMAP       0x00380000
+#define HC_HTXnFM_Index1        (HC_HTXnFM_INDEX     | 0x00000000)
+#define HC_HTXnFM_Index2        (HC_HTXnFM_INDEX     | 0x00010000)
+#define HC_HTXnFM_Index4        (HC_HTXnFM_INDEX     | 0x00020000)
+#define HC_HTXnFM_Index8        (HC_HTXnFM_INDEX     | 0x00030000)
+#define HC_HTXnFM_T1            (HC_HTXnFM_Intensity | 0x00000000)
+#define HC_HTXnFM_T2            (HC_HTXnFM_Intensity | 0x00010000)
+#define HC_HTXnFM_T4            (HC_HTXnFM_Intensity | 0x00020000)
+#define HC_HTXnFM_T8            (HC_HTXnFM_Intensity | 0x00030000)
+#define HC_HTXnFM_L1            (HC_HTXnFM_Lum       | 0x00000000)
+#define HC_HTXnFM_L2            (HC_HTXnFM_Lum       | 0x00010000)
+#define HC_HTXnFM_L4            (HC_HTXnFM_Lum       | 0x00020000)
+#define HC_HTXnFM_L8            (HC_HTXnFM_Lum       | 0x00030000)
+#define HC_HTXnFM_AL44          (HC_HTXnFM_Lum       | 0x00040000)
+#define HC_HTXnFM_AL88          (HC_HTXnFM_Lum       | 0x00050000)
+#define HC_HTXnFM_A1            (HC_HTXnFM_Alpha     | 0x00000000)
+#define HC_HTXnFM_A2            (HC_HTXnFM_Alpha     | 0x00010000)
+#define HC_HTXnFM_A4            (HC_HTXnFM_Alpha     | 0x00020000)
+#define HC_HTXnFM_A8            (HC_HTXnFM_Alpha     | 0x00030000)
+#define HC_HTXnFM_DX1           (HC_HTXnFM_DX        | 0x00010000)
+#define HC_HTXnFM_DX23          (HC_HTXnFM_DX        | 0x00020000)
+#define HC_HTXnFM_DX45          (HC_HTXnFM_DX        | 0x00030000)
+#define HC_HTXnFM_RGB555        (HC_HTXnFM_ARGB16    | 0x00000000)
+#define HC_HTXnFM_RGB565        (HC_HTXnFM_ARGB16    | 0x00010000)
+#define HC_HTXnFM_ARGB1555      (HC_HTXnFM_ARGB16    | 0x00020000)
+#define HC_HTXnFM_ARGB4444      (HC_HTXnFM_ARGB16    | 0x00030000)
+#define HC_HTXnFM_ARGB0888      (HC_HTXnFM_ARGB32    | 0x00000000)
+#define HC_HTXnFM_ARGB8888      (HC_HTXnFM_ARGB32    | 0x00010000)
+#define HC_HTXnFM_BGR555        (HC_HTXnFM_ABGR16    | 0x00000000)
+#define HC_HTXnFM_BGR565        (HC_HTXnFM_ABGR16    | 0x00010000)
+#define HC_HTXnFM_ABGR1555      (HC_HTXnFM_ABGR16    | 0x00020000)
+#define HC_HTXnFM_ABGR4444      (HC_HTXnFM_ABGR16    | 0x00030000)
+#define HC_HTXnFM_ABGR0888      (HC_HTXnFM_ABGR32    | 0x00000000)
+#define HC_HTXnFM_ABGR8888      (HC_HTXnFM_ABGR32    | 0x00010000)
+#define HC_HTXnFM_RGBA5550      (HC_HTXnFM_RGBA16    | 0x00000000)
+#define HC_HTXnFM_RGBA5551      (HC_HTXnFM_RGBA16    | 0x00020000)
+#define HC_HTXnFM_RGBA4444      (HC_HTXnFM_RGBA16    | 0x00030000)
+#define HC_HTXnFM_RGBA8880      (HC_HTXnFM_RGBA32    | 0x00000000)
+#define HC_HTXnFM_RGBA8888      (HC_HTXnFM_RGBA32    | 0x00010000)
+#define HC_HTXnFM_BGRA5550      (HC_HTXnFM_BGRA16    | 0x00000000)
+#define HC_HTXnFM_BGRA5551      (HC_HTXnFM_BGRA16    | 0x00020000)
+#define HC_HTXnFM_BGRA4444      (HC_HTXnFM_BGRA16    | 0x00030000)
+#define HC_HTXnFM_BGRA8880      (HC_HTXnFM_BGRA32    | 0x00000000)
+#define HC_HTXnFM_BGRA8888      (HC_HTXnFM_BGRA32    | 0x00010000)
+#define HC_HTXnFM_VU88          (HC_HTXnFM_BUMPMAP   | 0x00000000)
+#define HC_HTXnFM_LVU655        (HC_HTXnFM_BUMPMAP   | 0x00010000)
+#define HC_HTXnFM_LVU888        (HC_HTXnFM_BUMPMAP   | 0x00020000)
+#define HC_HTXnLoc_Local        0x00000000
+#define HC_HTXnLoc_Sys          0x00000002
+#define HC_HTXnLoc_AGP          0x00000003
+/* HC_SubA_HTXnTRAH        0x007f
+ */
+#define HC_HTXnTRAH_MASK        0x00ff0000
+#define HC_HTXnTRAL_MASK        0x0000ff00
+#define HC_HTXnTBA_MASK         0x000000ff
+#define HC_HTXnTRAH_SHIFT       16
+#define HC_HTXnTRAL_SHIFT       8
+/* HC_SubA_HTXnTBLCsat     0x0080
+ *-- Define the input texture.
+ */
+#define HC_XTC_TOPC             0x00000000
+#define HC_XTC_InvTOPC          0x00000010
+#define HC_XTC_TOPCp5           0x00000020
+#define HC_XTC_Cbias            0x00000000
+#define HC_XTC_InvCbias         0x00000010
+#define HC_XTC_0                0x00000000
+#define HC_XTC_Dif              0x00000001
+#define HC_XTC_Spec             0x00000002
+#define HC_XTC_Tex              0x00000003
+#define HC_XTC_Cur              0x00000004
+#define HC_XTC_Adif             0x00000005
+#define HC_XTC_Fog              0x00000006
+#define HC_XTC_Atex             0x00000007
+#define HC_XTC_Acur             0x00000008
+#define HC_XTC_HTXnTBLRC        0x00000009
+#define HC_XTC_Ctexnext         0x0000000a
+/*--
+ */
+#define HC_HTXnTBLCsat_MASK     0x00800000
+#define HC_HTXnTBLCa_MASK       0x000fc000
+#define HC_HTXnTBLCb_MASK       0x00001f80
+#define HC_HTXnTBLCc_MASK       0x0000003f
+#define HC_HTXnTBLCa_TOPC       (HC_XTC_TOPC << 14)
+#define HC_HTXnTBLCa_InvTOPC    (HC_XTC_InvTOPC << 14)
+#define HC_HTXnTBLCa_TOPCp5     (HC_XTC_TOPCp5 << 14)
+#define HC_HTXnTBLCa_0          (HC_XTC_0 << 14)
+#define HC_HTXnTBLCa_Dif        (HC_XTC_Dif << 14)
+#define HC_HTXnTBLCa_Spec       (HC_XTC_Spec << 14)
+#define HC_HTXnTBLCa_Tex        (HC_XTC_Tex << 14)
+#define HC_HTXnTBLCa_Cur        (HC_XTC_Cur << 14)
+#define HC_HTXnTBLCa_Adif       (HC_XTC_Adif << 14)
+#define HC_HTXnTBLCa_Fog        (HC_XTC_Fog << 14)
+#define HC_HTXnTBLCa_Atex       (HC_XTC_Atex << 14)
+#define HC_HTXnTBLCa_Acur       (HC_XTC_Acur << 14)
+#define HC_HTXnTBLCa_HTXnTBLRC  (HC_XTC_HTXnTBLRC << 14)
+#define HC_HTXnTBLCa_Ctexnext   (HC_XTC_Ctexnext << 14)
+#define HC_HTXnTBLCb_TOPC       (HC_XTC_TOPC << 7)
+#define HC_HTXnTBLCb_InvTOPC    (HC_XTC_InvTOPC << 7)
+#define HC_HTXnTBLCb_TOPCp5     (HC_XTC_TOPCp5 << 7)
+#define HC_HTXnTBLCb_0          (HC_XTC_0 << 7)
+#define HC_HTXnTBLCb_Dif        (HC_XTC_Dif << 7)
+#define HC_HTXnTBLCb_Spec       (HC_XTC_Spec << 7)
+#define HC_HTXnTBLCb_Tex        (HC_XTC_Tex << 7)
+#define HC_HTXnTBLCb_Cur        (HC_XTC_Cur << 7)
+#define HC_HTXnTBLCb_Adif       (HC_XTC_Adif << 7)
+#define HC_HTXnTBLCb_Fog        (HC_XTC_Fog << 7)
+#define HC_HTXnTBLCb_Atex       (HC_XTC_Atex << 7)
+#define HC_HTXnTBLCb_Acur       (HC_XTC_Acur << 7)
+#define HC_HTXnTBLCb_HTXnTBLRC  (HC_XTC_HTXnTBLRC << 7)
+#define HC_HTXnTBLCb_Ctexnext   (HC_XTC_Ctexnext << 7)
+#define HC_HTXnTBLCc_TOPC       (HC_XTC_TOPC << 0)
+#define HC_HTXnTBLCc_InvTOPC    (HC_XTC_InvTOPC << 0)
+#define HC_HTXnTBLCc_TOPCp5     (HC_XTC_TOPCp5 << 0)
+#define HC_HTXnTBLCc_0          (HC_XTC_0 << 0)
+#define HC_HTXnTBLCc_Dif        (HC_XTC_Dif << 0)
+#define HC_HTXnTBLCc_Spec       (HC_XTC_Spec << 0)
+#define HC_HTXnTBLCc_Tex        (HC_XTC_Tex << 0)
+#define HC_HTXnTBLCc_Cur        (HC_XTC_Cur << 0)
+#define HC_HTXnTBLCc_Adif       (HC_XTC_Adif << 0)
+#define HC_HTXnTBLCc_Fog        (HC_XTC_Fog << 0)
+#define HC_HTXnTBLCc_Atex       (HC_XTC_Atex << 0)
+#define HC_HTXnTBLCc_Acur       (HC_XTC_Acur << 0)
+#define HC_HTXnTBLCc_HTXnTBLRC  (HC_XTC_HTXnTBLRC << 0)
+#define HC_HTXnTBLCc_Ctexnext   (HC_XTC_Ctexnext << 0)
+/* HC_SubA_HTXnTBLCop      0x0081
+ */
+#define HC_HTXnTBLdot_MASK      0x00c00000
+#define HC_HTXnTBLCop_MASK      0x00380000
+#define HC_HTXnTBLCbias_MASK    0x0007c000
+#define HC_HTXnTBLCshift_MASK   0x00001800
+#define HC_HTXnTBLAop_MASK      0x00000380
+#define HC_HTXnTBLAbias_MASK    0x00000078
+#define HC_HTXnTBLAshift_MASK   0x00000003
+#define HC_HTXnTBLCop_Add       0x00000000
+#define HC_HTXnTBLCop_Sub       0x00080000
+#define HC_HTXnTBLCop_Min       0x00100000
+#define HC_HTXnTBLCop_Max       0x00180000
+#define HC_HTXnTBLCop_Mask      0x00200000
+#define HC_HTXnTBLCbias_Cbias           (HC_XTC_Cbias << 14)
+#define HC_HTXnTBLCbias_InvCbias        (HC_XTC_InvCbias << 14)
+#define HC_HTXnTBLCbias_0               (HC_XTC_0 << 14)
+#define HC_HTXnTBLCbias_Dif             (HC_XTC_Dif << 14)
+#define HC_HTXnTBLCbias_Spec            (HC_XTC_Spec << 14)
+#define HC_HTXnTBLCbias_Tex             (HC_XTC_Tex << 14)
+#define HC_HTXnTBLCbias_Cur             (HC_XTC_Cur << 14)
+#define HC_HTXnTBLCbias_Adif            (HC_XTC_Adif << 14)
+#define HC_HTXnTBLCbias_Fog             (HC_XTC_Fog << 14)
+#define HC_HTXnTBLCbias_Atex            (HC_XTC_Atex << 14)
+#define HC_HTXnTBLCbias_Acur            (HC_XTC_Acur << 14)
+#define HC_HTXnTBLCbias_HTXnTBLRC       (HC_XTC_HTXnTBLRC << 14)
+#define HC_HTXnTBLCshift_1      0x00000000
+#define HC_HTXnTBLCshift_2      0x00000800
+#define HC_HTXnTBLCshift_No     0x00001000
+#define HC_HTXnTBLCshift_DotP   0x00001800
+/*=* John Sheng [2003.7.18] texture combine *=*/
+#define HC_HTXnTBLDOT3   0x00080000
+#define HC_HTXnTBLDOT4   0x000C0000
+
+#define HC_HTXnTBLAop_Add       0x00000000
+#define HC_HTXnTBLAop_Sub       0x00000080
+#define HC_HTXnTBLAop_Min       0x00000100
+#define HC_HTXnTBLAop_Max       0x00000180
+#define HC_HTXnTBLAop_Mask      0x00000200
+#define HC_HTXnTBLAbias_Inv             0x00000040
+#define HC_HTXnTBLAbias_Adif            0x00000000
+#define HC_HTXnTBLAbias_Fog             0x00000008
+#define HC_HTXnTBLAbias_Acur            0x00000010
+#define HC_HTXnTBLAbias_HTXnTBLRAbias   0x00000018
+#define HC_HTXnTBLAbias_Atex            0x00000020
+#define HC_HTXnTBLAshift_1      0x00000000
+#define HC_HTXnTBLAshift_2      0x00000001
+#define HC_HTXnTBLAshift_No     0x00000002
+/* #define HC_HTXnTBLAshift_DotP   0x00000003 */
+/* HC_SubA_HTXnTBLMPFog    0x0082
+ */
+#define HC_HTXnTBLMPfog_MASK    0x00e00000
+#define HC_HTXnTBLMPfog_0       0x00000000
+#define HC_HTXnTBLMPfog_Adif    0x00200000
+#define HC_HTXnTBLMPfog_Fog     0x00400000
+#define HC_HTXnTBLMPfog_Atex    0x00600000
+#define HC_HTXnTBLMPfog_Acur    0x00800000
+#define HC_HTXnTBLMPfog_GHTXnTBLRFog    0x00a00000
+/* HC_SubA_HTXnTBLAsat     0x0083
+ *-- Define the texture alpha input.
+ */
+#define HC_XTA_TOPA             0x00000000
+#define HC_XTA_InvTOPA          0x00000008
+#define HC_XTA_TOPAp5           0x00000010
+#define HC_XTA_Adif             0x00000000
+#define HC_XTA_Fog              0x00000001
+#define HC_XTA_Acur             0x00000002
+#define HC_XTA_HTXnTBLRA        0x00000003
+#define HC_XTA_Atex             0x00000004
+#define HC_XTA_Atexnext         0x00000005
+/*--
+ */
+#define HC_HTXnTBLAsat_MASK     0x00800000
+#define HC_HTXnTBLAMB_MASK      0x00700000
+#define HC_HTXnTBLAa_MASK       0x0007c000
+#define HC_HTXnTBLAb_MASK       0x00000f80
+#define HC_HTXnTBLAc_MASK       0x0000001f
+#define HC_HTXnTBLAMB_SHIFT     20
+#define HC_HTXnTBLAa_TOPA       (HC_XTA_TOPA << 14)
+#define HC_HTXnTBLAa_InvTOPA    (HC_XTA_InvTOPA << 14)
+#define HC_HTXnTBLAa_TOPAp5     (HC_XTA_TOPAp5 << 14)
+#define HC_HTXnTBLAa_Adif       (HC_XTA_Adif << 14)
+#define HC_HTXnTBLAa_Fog        (HC_XTA_Fog << 14)
+#define HC_HTXnTBLAa_Acur       (HC_XTA_Acur << 14)
+#define HC_HTXnTBLAa_HTXnTBLRA  (HC_XTA_HTXnTBLRA << 14)
+#define HC_HTXnTBLAa_Atex       (HC_XTA_Atex << 14)
+#define HC_HTXnTBLAa_Atexnext   (HC_XTA_Atexnext << 14)
+#define HC_HTXnTBLAb_TOPA       (HC_XTA_TOPA << 7)
+#define HC_HTXnTBLAb_InvTOPA    (HC_XTA_InvTOPA << 7)
+#define HC_HTXnTBLAb_TOPAp5     (HC_XTA_TOPAp5 << 7)
+#define HC_HTXnTBLAb_Adif       (HC_XTA_Adif << 7)
+#define HC_HTXnTBLAb_Fog        (HC_XTA_Fog << 7)
+#define HC_HTXnTBLAb_Acur       (HC_XTA_Acur << 7)
+#define HC_HTXnTBLAb_HTXnTBLRA  (HC_XTA_HTXnTBLRA << 7)
+#define HC_HTXnTBLAb_Atex       (HC_XTA_Atex << 7)
+#define HC_HTXnTBLAb_Atexnext   (HC_XTA_Atexnext << 7)
+#define HC_HTXnTBLAc_TOPA       (HC_XTA_TOPA << 0)
+#define HC_HTXnTBLAc_InvTOPA    (HC_XTA_InvTOPA << 0)
+#define HC_HTXnTBLAc_TOPAp5     (HC_XTA_TOPAp5 << 0)
+#define HC_HTXnTBLAc_Adif       (HC_XTA_Adif << 0)
+#define HC_HTXnTBLAc_Fog        (HC_XTA_Fog << 0)
+#define HC_HTXnTBLAc_Acur       (HC_XTA_Acur << 0)
+#define HC_HTXnTBLAc_HTXnTBLRA  (HC_XTA_HTXnTBLRA << 0)
+#define HC_HTXnTBLAc_Atex       (HC_XTA_Atex << 0)
+#define HC_HTXnTBLAc_Atexnext   (HC_XTA_Atexnext << 0)
+/* HC_SubA_HTXnTBLRAa      0x0089
+ */
+#define HC_HTXnTBLRAa_MASK      0x00ff0000
+#define HC_HTXnTBLRAb_MASK      0x0000ff00
+#define HC_HTXnTBLRAc_MASK      0x000000ff
+#define HC_HTXnTBLRAa_SHIFT     16
+#define HC_HTXnTBLRAb_SHIFT     8
+#define HC_HTXnTBLRAc_SHIFT     0
+/* HC_SubA_HTXnTBLRFog     0x008a
+ */
+#define HC_HTXnTBLRFog_MASK     0x0000ff00
+#define HC_HTXnTBLRAbias_MASK   0x000000ff
+#define HC_HTXnTBLRFog_SHIFT    8
+#define HC_HTXnTBLRAbias_SHIFT  0
+/* HC_SubA_HTXnLScale      0x0094
+ */
+#define HC_HTXnLScale_MASK      0x0007fc00
+#define HC_HTXnLOff_MASK        0x000001ff
+#define HC_HTXnLScale_SHIFT     10
+/* HC_SubA_HTXSMD          0x0000
+ */
+#define HC_HTXSMD_MASK          0x00000080
+#define HC_HTXTMD_MASK          0x00000040
+#define HC_HTXNum_MASK          0x00000038
+#define HC_HTXTRMD_MASK         0x00000006
+#define HC_HTXCHCLR_MASK        0x00000001
+#define HC_HTXNum_SHIFT         3
+
+/* Texture Palette n
+ */
+#define HC_SubType_TexPalette0  0x00000000
+#define HC_SubType_TexPalette1  0x00000001
+#define HC_SubType_FogTable     0x00000010
+#define HC_SubType_Stipple      0x00000014
+/* HC_SubA_TexPalette0     0x0000
+ */
+#define HC_HTPnA_MASK           0xff000000
+#define HC_HTPnR_MASK           0x00ff0000
+#define HC_HTPnG_MASK           0x0000ff00
+#define HC_HTPnB_MASK           0x000000ff
+/* HC_SubA_FogTable        0x0010
+ */
+#define HC_HFPn3_MASK           0xff000000
+#define HC_HFPn2_MASK           0x00ff0000
+#define HC_HFPn1_MASK           0x0000ff00
+#define HC_HFPn_MASK            0x000000ff
+#define HC_HFPn3_SHIFT          24
+#define HC_HFPn2_SHIFT          16
+#define HC_HFPn1_SHIFT          8
+
+/* Auto Testing & Security
+ */
+#define HC_SubA_HenFIFOAT       0x0000
+#define HC_SubA_HFBDrawFirst    0x0004
+#define HC_SubA_HFBBasL         0x0005
+#define HC_SubA_HFBDst          0x0006
+/* HC_SubA_HenFIFOAT       0x0000
+ */
+#define HC_HenFIFOAT_MASK       0x00000020
+#define HC_HenGEMILock_MASK     0x00000010
+#define HC_HenFBASwap_MASK      0x00000008
+#define HC_HenOT_MASK           0x00000004
+#define HC_HenCMDQ_MASK         0x00000002
+#define HC_HenTXCTSU_MASK       0x00000001
+/* HC_SubA_HFBDrawFirst    0x0004
+ */
+#define HC_HFBDrawFirst_MASK    0x00000800
+#define HC_HFBQueue_MASK        0x00000400
+#define HC_HFBLock_MASK         0x00000200
+#define HC_HEOF_MASK            0x00000100
+#define HC_HFBBasH_MASK         0x000000ff
+
+/* GEMI Setting
+ */
+#define HC_SubA_HTArbRCM        0x0008
+#define HC_SubA_HTArbRZ         0x000a
+#define HC_SubA_HTArbWZ         0x000b
+#define HC_SubA_HTArbRTX        0x000c
+#define HC_SubA_HTArbRCW        0x000d
+#define HC_SubA_HTArbE2         0x000e
+#define HC_SubA_HArbRQCM        0x0010
+#define HC_SubA_HArbWQCM        0x0011
+#define HC_SubA_HGEMITout       0x0020
+#define HC_SubA_HFthRTXD        0x0040
+#define HC_SubA_HFthRTXA        0x0044
+#define HC_SubA_HCMDQstL        0x0050
+#define HC_SubA_HCMDQendL       0x0051
+#define HC_SubA_HCMDQLen        0x0052
+/* HC_SubA_HTArbRCM        0x0008
+ */
+#define HC_HTArbRCM_MASK        0x0000ffff
+/* HC_SubA_HTArbRZ         0x000a
+ */
+#define HC_HTArbRZ_MASK         0x0000ffff
+/* HC_SubA_HTArbWZ         0x000b
+ */
+#define HC_HTArbWZ_MASK         0x0000ffff
+/* HC_SubA_HTArbRTX        0x000c
+ */
+#define HC_HTArbRTX_MASK        0x0000ffff
+/* HC_SubA_HTArbRCW        0x000d
+ */
+#define HC_HTArbRCW_MASK        0x0000ffff
+/* HC_SubA_HTArbE2         0x000e
+ */
+#define HC_HTArbE2_MASK         0x0000ffff
+/* HC_SubA_HArbRQCM        0x0010
+ */
+#define HC_HTArbRQCM_MASK       0x0000ffff
+/* HC_SubA_HArbWQCM        0x0011
+ */
+#define HC_HArbWQCM_MASK        0x0000ffff
+/* HC_SubA_HGEMITout       0x0020
+ */
+#define HC_HGEMITout_MASK       0x000f0000
+#define HC_HNPArbZC_MASK        0x0000ffff
+#define HC_HGEMITout_SHIFT      16
+/* HC_SubA_HFthRTXD        0x0040
+ */
+#define HC_HFthRTXD_MASK        0x00ff0000
+#define HC_HFthRZD_MASK         0x0000ff00
+#define HC_HFthWZD_MASK         0x000000ff
+#define HC_HFthRTXD_SHIFT       16
+#define HC_HFthRZD_SHIFT        8
+/* HC_SubA_HFthRTXA        0x0044
+ */
+#define HC_HFthRTXA_MASK        0x000000ff
+
+/******************************************************************************
+** Define the Halcyon Internal register access constants. For simulator only.
+******************************************************************************/
+#define HC_SIMA_HAGPBstL        0x0000
+#define HC_SIMA_HAGPBendL       0x0001
+#define HC_SIMA_HAGPCMNT        0x0002
+#define HC_SIMA_HAGPBpL         0x0003
+#define HC_SIMA_HAGPBpH         0x0004
+#define HC_SIMA_HClipTB         0x0005
+#define HC_SIMA_HClipLR         0x0006
+#define HC_SIMA_HFPClipTL       0x0007
+#define HC_SIMA_HFPClipBL       0x0008
+#define HC_SIMA_HFPClipLL       0x0009
+#define HC_SIMA_HFPClipRL       0x000a
+#define HC_SIMA_HFPClipTBH      0x000b
+#define HC_SIMA_HFPClipLRH      0x000c
+#define HC_SIMA_HLP             0x000d
+#define HC_SIMA_HLPRF           0x000e
+#define HC_SIMA_HSolidCL        0x000f
+#define HC_SIMA_HPixGC          0x0010
+#define HC_SIMA_HSPXYOS         0x0011
+#define HC_SIMA_HCmdA           0x0012
+#define HC_SIMA_HCmdB           0x0013
+#define HC_SIMA_HEnable         0x0014
+#define HC_SIMA_HZWBBasL        0x0015
+#define HC_SIMA_HZWBBasH        0x0016
+#define HC_SIMA_HZWBType        0x0017
+#define HC_SIMA_HZBiasL         0x0018
+#define HC_SIMA_HZWBend         0x0019
+#define HC_SIMA_HZWTMD          0x001a
+#define HC_SIMA_HZWCDL          0x001b
+#define HC_SIMA_HZWCTAGnum      0x001c
+#define HC_SIMA_HZCYNum         0x001d
+#define HC_SIMA_HZWCFire        0x001e
+/* #define HC_SIMA_HSBBasL         0x001d */
+/* #define HC_SIMA_HSBBasH         0x001e */
+/* #define HC_SIMA_HSBFM           0x001f */
+#define HC_SIMA_HSTREF          0x0020
+#define HC_SIMA_HSTMD           0x0021
+#define HC_SIMA_HABBasL         0x0022
+#define HC_SIMA_HABBasH         0x0023
+#define HC_SIMA_HABFM           0x0024
+#define HC_SIMA_HATMD           0x0025
+#define HC_SIMA_HABLCsat        0x0026
+#define HC_SIMA_HABLCop         0x0027
+#define HC_SIMA_HABLAsat        0x0028
+#define HC_SIMA_HABLAop         0x0029
+#define HC_SIMA_HABLRCa         0x002a
+#define HC_SIMA_HABLRFCa        0x002b
+#define HC_SIMA_HABLRCbias      0x002c
+#define HC_SIMA_HABLRCb         0x002d
+#define HC_SIMA_HABLRFCb        0x002e
+#define HC_SIMA_HABLRAa         0x002f
+#define HC_SIMA_HABLRAb         0x0030
+#define HC_SIMA_HDBBasL         0x0031
+#define HC_SIMA_HDBBasH         0x0032
+#define HC_SIMA_HDBFM           0x0033
+#define HC_SIMA_HFBBMSKL        0x0034
+#define HC_SIMA_HROP            0x0035
+#define HC_SIMA_HFogLF          0x0036
+#define HC_SIMA_HFogCL          0x0037
+#define HC_SIMA_HFogCH          0x0038
+#define HC_SIMA_HFogStL         0x0039
+#define HC_SIMA_HFogStH         0x003a
+#define HC_SIMA_HFogOOdMF       0x003b
+#define HC_SIMA_HFogOOdEF       0x003c
+#define HC_SIMA_HFogEndL        0x003d
+#define HC_SIMA_HFogDenst       0x003e
+/*---- start of texture 0 setting ----
+ */
+#define HC_SIMA_HTX0L0BasL      0x0040
+#define HC_SIMA_HTX0L1BasL      0x0041
+#define HC_SIMA_HTX0L2BasL      0x0042
+#define HC_SIMA_HTX0L3BasL      0x0043
+#define HC_SIMA_HTX0L4BasL      0x0044
+#define HC_SIMA_HTX0L5BasL      0x0045
+#define HC_SIMA_HTX0L6BasL      0x0046
+#define HC_SIMA_HTX0L7BasL      0x0047
+#define HC_SIMA_HTX0L8BasL      0x0048
+#define HC_SIMA_HTX0L9BasL      0x0049
+#define HC_SIMA_HTX0LaBasL      0x004a
+#define HC_SIMA_HTX0LbBasL      0x004b
+#define HC_SIMA_HTX0LcBasL      0x004c
+#define HC_SIMA_HTX0LdBasL      0x004d
+#define HC_SIMA_HTX0LeBasL      0x004e
+#define HC_SIMA_HTX0LfBasL      0x004f
+#define HC_SIMA_HTX0L10BasL     0x0050
+#define HC_SIMA_HTX0L11BasL     0x0051
+#define HC_SIMA_HTX0L012BasH    0x0052
+#define HC_SIMA_HTX0L345BasH    0x0053
+#define HC_SIMA_HTX0L678BasH    0x0054
+#define HC_SIMA_HTX0L9abBasH    0x0055
+#define HC_SIMA_HTX0LcdeBasH    0x0056
+#define HC_SIMA_HTX0Lf1011BasH  0x0057
+#define HC_SIMA_HTX0L0Pit       0x0058
+#define HC_SIMA_HTX0L1Pit       0x0059
+#define HC_SIMA_HTX0L2Pit       0x005a
+#define HC_SIMA_HTX0L3Pit       0x005b
+#define HC_SIMA_HTX0L4Pit       0x005c
+#define HC_SIMA_HTX0L5Pit       0x005d
+#define HC_SIMA_HTX0L6Pit       0x005e
+#define HC_SIMA_HTX0L7Pit       0x005f
+#define HC_SIMA_HTX0L8Pit       0x0060
+#define HC_SIMA_HTX0L9Pit       0x0061
+#define HC_SIMA_HTX0LaPit       0x0062
+#define HC_SIMA_HTX0LbPit       0x0063
+#define HC_SIMA_HTX0LcPit       0x0064
+#define HC_SIMA_HTX0LdPit       0x0065
+#define HC_SIMA_HTX0LePit       0x0066
+#define HC_SIMA_HTX0LfPit       0x0067
+#define HC_SIMA_HTX0L10Pit      0x0068
+#define HC_SIMA_HTX0L11Pit      0x0069
+#define HC_SIMA_HTX0L0_5WE      0x006a
+#define HC_SIMA_HTX0L6_bWE      0x006b
+#define HC_SIMA_HTX0Lc_11WE     0x006c
+#define HC_SIMA_HTX0L0_5HE      0x006d
+#define HC_SIMA_HTX0L6_bHE      0x006e
+#define HC_SIMA_HTX0Lc_11HE     0x006f
+#define HC_SIMA_HTX0L0OS        0x0070
+#define HC_SIMA_HTX0TB          0x0071
+#define HC_SIMA_HTX0MPMD        0x0072
+#define HC_SIMA_HTX0CLODu       0x0073
+#define HC_SIMA_HTX0FM          0x0074
+#define HC_SIMA_HTX0TRCH        0x0075
+#define HC_SIMA_HTX0TRCL        0x0076
+#define HC_SIMA_HTX0TBC         0x0077
+#define HC_SIMA_HTX0TRAH        0x0078
+#define HC_SIMA_HTX0TBLCsat     0x0079
+#define HC_SIMA_HTX0TBLCop      0x007a
+#define HC_SIMA_HTX0TBLMPfog    0x007b
+#define HC_SIMA_HTX0TBLAsat     0x007c
+#define HC_SIMA_HTX0TBLRCa      0x007d
+#define HC_SIMA_HTX0TBLRCb      0x007e
+#define HC_SIMA_HTX0TBLRCc      0x007f
+#define HC_SIMA_HTX0TBLRCbias   0x0080
+#define HC_SIMA_HTX0TBLRAa      0x0081
+#define HC_SIMA_HTX0TBLRFog     0x0082
+#define HC_SIMA_HTX0BumpM00     0x0083
+#define HC_SIMA_HTX0BumpM01     0x0084
+#define HC_SIMA_HTX0BumpM10     0x0085
+#define HC_SIMA_HTX0BumpM11     0x0086
+#define HC_SIMA_HTX0LScale      0x0087
+/*---- end of texture 0 setting ----      0x008f
+ */
+#define HC_SIMA_TX0TX1_OFF      0x0050
+/*---- start of texture 1 setting ----
+ */
+#define HC_SIMA_HTX1L0BasL      (HC_SIMA_HTX0L0BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L1BasL      (HC_SIMA_HTX0L1BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L2BasL      (HC_SIMA_HTX0L2BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L3BasL      (HC_SIMA_HTX0L3BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L4BasL      (HC_SIMA_HTX0L4BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L5BasL      (HC_SIMA_HTX0L5BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L6BasL      (HC_SIMA_HTX0L6BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L7BasL      (HC_SIMA_HTX0L7BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L8BasL      (HC_SIMA_HTX0L8BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L9BasL      (HC_SIMA_HTX0L9BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LaBasL      (HC_SIMA_HTX0LaBasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LbBasL      (HC_SIMA_HTX0LbBasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LcBasL      (HC_SIMA_HTX0LcBasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LdBasL      (HC_SIMA_HTX0LdBasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LeBasL      (HC_SIMA_HTX0LeBasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LfBasL      (HC_SIMA_HTX0LfBasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L10BasL     (HC_SIMA_HTX0L10BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L11BasL     (HC_SIMA_HTX0L11BasL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L012BasH    (HC_SIMA_HTX0L012BasH + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L345BasH    (HC_SIMA_HTX0L345BasH + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L678BasH    (HC_SIMA_HTX0L678BasH + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L9abBasH    (HC_SIMA_HTX0L9abBasH + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LcdeBasH    (HC_SIMA_HTX0LcdeBasH + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1Lf1011BasH  (HC_SIMA_HTX0Lf1011BasH + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L0Pit       (HC_SIMA_HTX0L0Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L1Pit       (HC_SIMA_HTX0L1Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L2Pit       (HC_SIMA_HTX0L2Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L3Pit       (HC_SIMA_HTX0L3Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L4Pit       (HC_SIMA_HTX0L4Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L5Pit       (HC_SIMA_HTX0L5Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L6Pit       (HC_SIMA_HTX0L6Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L7Pit       (HC_SIMA_HTX0L7Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L8Pit       (HC_SIMA_HTX0L8Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L9Pit       (HC_SIMA_HTX0L9Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LaPit       (HC_SIMA_HTX0LaPit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LbPit       (HC_SIMA_HTX0LbPit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LcPit       (HC_SIMA_HTX0LcPit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LdPit       (HC_SIMA_HTX0LdPit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LePit       (HC_SIMA_HTX0LePit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LfPit       (HC_SIMA_HTX0LfPit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L10Pit      (HC_SIMA_HTX0L10Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L11Pit      (HC_SIMA_HTX0L11Pit + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L0_5WE      (HC_SIMA_HTX0L0_5WE + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L6_bWE      (HC_SIMA_HTX0L6_bWE + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1Lc_11WE     (HC_SIMA_HTX0Lc_11WE + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L0_5HE      (HC_SIMA_HTX0L0_5HE + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L6_bHE      (HC_SIMA_HTX0L6_bHE + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1Lc_11HE      (HC_SIMA_HTX0Lc_11HE + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1L0OS        (HC_SIMA_HTX0L0OS + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TB          (HC_SIMA_HTX0TB + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1MPMD        (HC_SIMA_HTX0MPMD + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1CLODu       (HC_SIMA_HTX0CLODu + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1FM          (HC_SIMA_HTX0FM + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TRCH        (HC_SIMA_HTX0TRCH + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TRCL        (HC_SIMA_HTX0TRCL + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBC         (HC_SIMA_HTX0TBC + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TRAH        (HC_SIMA_HTX0TRAH + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LTC         (HC_SIMA_HTX0LTC + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LTA         (HC_SIMA_HTX0LTA + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLCsat     (HC_SIMA_HTX0TBLCsat + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLCop      (HC_SIMA_HTX0TBLCop + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLMPfog    (HC_SIMA_HTX0TBLMPfog + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLAsat     (HC_SIMA_HTX0TBLAsat + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLRCa      (HC_SIMA_HTX0TBLRCa + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLRCb      (HC_SIMA_HTX0TBLRCb + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLRCc      (HC_SIMA_HTX0TBLRCc + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLRCbias   (HC_SIMA_HTX0TBLRCbias + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLRAa      (HC_SIMA_HTX0TBLRAa + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1TBLRFog     (HC_SIMA_HTX0TBLRFog + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1BumpM00     (HC_SIMA_HTX0BumpM00 + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1BumpM01     (HC_SIMA_HTX0BumpM01 + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1BumpM10     (HC_SIMA_HTX0BumpM10 + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1BumpM11     (HC_SIMA_HTX0BumpM11 + HC_SIMA_TX0TX1_OFF)
+#define HC_SIMA_HTX1LScale      (HC_SIMA_HTX0LScale + HC_SIMA_TX0TX1_OFF)
+/*---- end of texture 1 setting ---- 0xaf
+ */
+#define HC_SIMA_HTXSMD          0x00b0
+#define HC_SIMA_HenFIFOAT       0x00b1
+#define HC_SIMA_HFBDrawFirst    0x00b2
+#define HC_SIMA_HFBBasL         0x00b3
+#define HC_SIMA_HTArbRCM        0x00b4
+#define HC_SIMA_HTArbRZ         0x00b5
+#define HC_SIMA_HTArbWZ         0x00b6
+#define HC_SIMA_HTArbRTX        0x00b7
+#define HC_SIMA_HTArbRCW        0x00b8
+#define HC_SIMA_HTArbE2         0x00b9
+#define HC_SIMA_HGEMITout       0x00ba
+#define HC_SIMA_HFthRTXD        0x00bb
+#define HC_SIMA_HFthRTXA        0x00bc
+/* Define the texture palette 0
+ */
+#define HC_SIMA_HTP0            0x0100
+#define HC_SIMA_HTP1            0x0200
+#define HC_SIMA_FOGTABLE        0x0300
+#define HC_SIMA_STIPPLE         0x0400
+#define HC_SIMA_HE3Fire         0x0440
+#define HC_SIMA_TRANS_SET       0x0441
+#define HC_SIMA_HREngSt         0x0442
+#define HC_SIMA_HRFIFOempty     0x0443
+#define HC_SIMA_HRFIFOfull      0x0444
+#define HC_SIMA_HRErr           0x0445
+#define HC_SIMA_FIFOstatus      0x0446
+
+/******************************************************************************
+** Define the AGP command header.
+******************************************************************************/
+#define HC_ACMD_MASK            0xfe000000
+#define HC_ACMD_SUB_MASK        0x0c000000
+#define HC_ACMD_HCmdA           0xee000000
+#define HC_ACMD_HCmdB           0xec000000
+#define HC_ACMD_HCmdC           0xea000000
+#define HC_ACMD_H1              0xf0000000
+#define HC_ACMD_H2              0xf2000000
+#define HC_ACMD_H3              0xf4000000
+#define HC_ACMD_H4              0xf6000000
+
+#define HC_ACMD_H1IO_MASK       0x000001ff
+#define HC_ACMD_H2IO1_MASK      0x001ff000
+#define HC_ACMD_H2IO2_MASK      0x000001ff
+#define HC_ACMD_H2IO1_SHIFT     12
+#define HC_ACMD_H2IO2_SHIFT     0
+#define HC_ACMD_H3IO_MASK       0x000001ff
+#define HC_ACMD_H3COUNT_MASK    0x01fff000
+#define HC_ACMD_H3COUNT_SHIFT   12
+#define HC_ACMD_H4ID_MASK       0x000001ff
+#define HC_ACMD_H4COUNT_MASK    0x01fffe00
+#define HC_ACMD_H4COUNT_SHIFT   9
+
+/********************************************************************************
+** Define Header
+********************************************************************************/
+#define HC_HEADER2		0xF210F110
+
+/********************************************************************************
+** Define Dummy Value
+********************************************************************************/
+#define HC_DUMMY		0xCCCCCCCC
+/********************************************************************************
+** Define for DMA use
+********************************************************************************/
+#define HALCYON_HEADER2     0XF210F110
+#define HALCYON_FIRECMD     0XEE100000
+#define HALCYON_FIREMASK    0XFFF00000
+#define HALCYON_CMDB        0XEC000000
+#define HALCYON_CMDBMASK    0XFFFE0000
+#define HALCYON_SUB_ADDR0   0X00000000
+#define HALCYON_HEADER1MASK 0XFFFFFC00
+#define HALCYON_HEADER1     0XF0000000
+#define HC_SubA_HAGPBstL        0x0060
+#define HC_SubA_HAGPBendL       0x0061
+#define HC_SubA_HAGPCMNT        0x0062
+#define HC_SubA_HAGPBpL         0x0063
+#define HC_SubA_HAGPBpH         0x0064
+#define HC_HAGPCMNT_MASK        0x00800000
+#define HC_HCmdErrClr_MASK      0x00400000
+#define HC_HAGPBendH_MASK       0x0000ff00
+#define HC_HAGPBstH_MASK        0x000000ff
+#define HC_HAGPBendH_SHIFT      8
+#define HC_HAGPBstH_SHIFT       0
+#define HC_HAGPBpL_MASK         0x00fffffc
+#define HC_HAGPBpID_MASK        0x00000003
+#define HC_HAGPBpID_PAUSE       0x00000000
+#define HC_HAGPBpID_JUMP        0x00000001
+#define HC_HAGPBpID_STOP        0x00000002
+#define HC_HAGPBpH_MASK         0x00ffffff
+
+
+#define VIA_VIDEO_HEADER5       0xFE040000
+#define VIA_VIDEO_HEADER6       0xFE050000
+#define VIA_VIDEO_HEADER7       0xFE060000
+#define VIA_VIDEOMASK           0xFFFF0000
+#endif
diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c
new file mode 100644
index 0000000..4f60f7f
--- /dev/null
+++ b/drivers/char/drm/via_dma.c
@@ -0,0 +1,741 @@
+/* via_dma.c -- DMA support for the VIA Unichrome/Pro
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Copyright 2004 Digeo, Inc., Palo Alto, CA, U.S.A.
+ * All Rights Reserved.
+ * 
+ * Copyright 2004 The Unichrome project.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: 
+ *    Tungsten Graphics, 
+ *    Erdi Chen, 
+ *    Thomas Hellstrom.
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "via_drm.h"
+#include "via_drv.h"
+#include "via_3d_reg.h"
+
+#define CMDBUF_ALIGNMENT_SIZE   (0x100)
+#define CMDBUF_ALIGNMENT_MASK   (0x0ff)
+
+/* defines for VIA 3D registers */
+#define VIA_REG_STATUS          0x400
+#define VIA_REG_TRANSET         0x43C
+#define VIA_REG_TRANSPACE       0x440
+
+/* VIA_REG_STATUS(0x400): Engine Status */
+#define VIA_CMD_RGTR_BUSY       0x00000080	/* Command Regulator is busy */
+#define VIA_2D_ENG_BUSY         0x00000001	/* 2D Engine is busy */
+#define VIA_3D_ENG_BUSY         0x00000002	/* 3D Engine is busy */
+#define VIA_VR_QUEUE_BUSY       0x00020000	/* Virtual Queue is busy */
+
+#define SetReg2DAGP(nReg, nData) {				\
+	*((uint32_t *)(vb)) = ((nReg) >> 2) | HALCYON_HEADER1;	\
+	*((uint32_t *)(vb) + 1) = (nData);			\
+	vb = ((uint32_t *)vb) + 2;				\
+	dev_priv->dma_low +=8;					\
+}
+
+#define via_flush_write_combine() DRM_MEMORYBARRIER() 
+
+#define VIA_OUT_RING_QW(w1,w2)			\
+	*vb++ = (w1);				\
+	*vb++ = (w2);				\
+	dev_priv->dma_low += 8; 
+
+static void via_cmdbuf_start(drm_via_private_t * dev_priv);
+static void via_cmdbuf_pause(drm_via_private_t * dev_priv);
+static void via_cmdbuf_reset(drm_via_private_t * dev_priv);
+static void via_cmdbuf_rewind(drm_via_private_t * dev_priv);
+static int via_wait_idle(drm_via_private_t * dev_priv);
+static void via_pad_cache(drm_via_private_t *dev_priv, int qwords);
+
+
+/*
+ * Free space in command buffer.
+ */
+
+static uint32_t
+via_cmdbuf_space(drm_via_private_t *dev_priv)
+{
+	uint32_t agp_base = dev_priv->dma_offset + 
+		(uint32_t) dev_priv->agpAddr;
+	uint32_t hw_addr = *(dev_priv->hw_addr_ptr) - agp_base;
+	
+	return ((hw_addr <= dev_priv->dma_low) ? 
+		(dev_priv->dma_high + hw_addr - dev_priv->dma_low) : 
+		(hw_addr - dev_priv->dma_low));
+}
+
+/*
+ * How much does the command regulator lag behind?
+ */
+
+static uint32_t
+via_cmdbuf_lag(drm_via_private_t *dev_priv)
+{
+	uint32_t agp_base = dev_priv->dma_offset + 
+		(uint32_t) dev_priv->agpAddr;
+	uint32_t hw_addr = *(dev_priv->hw_addr_ptr) - agp_base;
+	
+	return ((hw_addr <= dev_priv->dma_low) ? 
+		(dev_priv->dma_low - hw_addr) : 
+		(dev_priv->dma_wrap + dev_priv->dma_low - hw_addr));
+}
+
+/*
+ * Check that the given size fits in the buffer, otherwise wait.
+ */
+
+static inline int
+via_cmdbuf_wait(drm_via_private_t * dev_priv, unsigned int size)
+{
+	uint32_t agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr;
+	uint32_t cur_addr, hw_addr, next_addr;
+	volatile uint32_t *hw_addr_ptr;
+	uint32_t count;
+	hw_addr_ptr = dev_priv->hw_addr_ptr;
+	cur_addr = dev_priv->dma_low;
+	next_addr = cur_addr + size + 512*1024;
+	count = 1000000;
+	do {
+	        hw_addr = *hw_addr_ptr - agp_base;
+		if (count-- == 0) {
+			DRM_ERROR("via_cmdbuf_wait timed out hw %x cur_addr %x next_addr %x\n",
+				  hw_addr, cur_addr, next_addr);
+			return -1;
+		}
+	} while ((cur_addr < hw_addr) && (next_addr >= hw_addr));
+	return 0;
+}
+
+
+/*
+ * Checks whether buffer head has reach the end. Rewind the ring buffer
+ * when necessary.
+ *
+ * Returns virtual pointer to ring buffer.
+ */
+
+static inline uint32_t *via_check_dma(drm_via_private_t * dev_priv,
+				      unsigned int size)
+{
+	if ((dev_priv->dma_low + size + 4*CMDBUF_ALIGNMENT_SIZE) > dev_priv->dma_high) {
+		via_cmdbuf_rewind(dev_priv);
+	}
+	if (via_cmdbuf_wait(dev_priv, size) != 0) {
+		return NULL;
+	}
+
+	return (uint32_t *) (dev_priv->dma_ptr + dev_priv->dma_low);
+}
+
+int via_dma_cleanup(drm_device_t * dev)
+{
+	if (dev->dev_private) {
+		drm_via_private_t *dev_priv =
+			(drm_via_private_t *) dev->dev_private;
+
+		if (dev_priv->ring.virtual_start) {
+			via_cmdbuf_reset(dev_priv);
+
+			drm_core_ioremapfree(&dev_priv->ring.map, dev);
+			dev_priv->ring.virtual_start = NULL;
+		}
+
+	}
+
+	return 0;
+}
+
+static int via_initialize(drm_device_t * dev,
+			  drm_via_private_t * dev_priv,
+			  drm_via_dma_init_t * init)
+{
+	if (!dev_priv || !dev_priv->mmio) {
+		DRM_ERROR("via_dma_init called before via_map_init\n");
+		return DRM_ERR(EFAULT);
+	}
+
+	if (dev_priv->ring.virtual_start != NULL) {
+		DRM_ERROR("%s called again without calling cleanup\n",
+			  __FUNCTION__);
+		return DRM_ERR(EFAULT);
+	}
+
+	if (!dev->agp || !dev->agp->base) {
+		DRM_ERROR("%s called with no agp memory available\n", 
+			  __FUNCTION__);
+		return DRM_ERR(EFAULT);
+	}
+
+	dev_priv->ring.map.offset = dev->agp->base + init->offset;
+	dev_priv->ring.map.size = init->size;
+	dev_priv->ring.map.type = 0;
+	dev_priv->ring.map.flags = 0;
+	dev_priv->ring.map.mtrr = 0;
+
+	drm_core_ioremap(&dev_priv->ring.map, dev);
+
+	if (dev_priv->ring.map.handle == NULL) {
+		via_dma_cleanup(dev);
+		DRM_ERROR("can not ioremap virtual address for"
+			  " ring buffer\n");
+		return DRM_ERR(ENOMEM);
+	}
+
+	dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
+
+	dev_priv->dma_ptr = dev_priv->ring.virtual_start;
+	dev_priv->dma_low = 0;
+	dev_priv->dma_high = init->size;
+	dev_priv->dma_wrap = init->size;
+	dev_priv->dma_offset = init->offset;
+	dev_priv->last_pause_ptr = NULL;
+	dev_priv->hw_addr_ptr = dev_priv->mmio->handle + init->reg_pause_addr;
+
+	via_cmdbuf_start(dev_priv);
+
+	return 0;
+}
+
+int via_dma_init(DRM_IOCTL_ARGS)
+{
+	DRM_DEVICE;
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	drm_via_dma_init_t init;
+	int retcode = 0;
+
+	DRM_COPY_FROM_USER_IOCTL(init, (drm_via_dma_init_t __user *) data,
+				 sizeof(init));
+
+	switch (init.func) {
+	case VIA_INIT_DMA:
+		if (!capable(CAP_SYS_ADMIN))
+			retcode = DRM_ERR(EPERM);
+		else
+			retcode = via_initialize(dev, dev_priv, &init);
+		break;
+	case VIA_CLEANUP_DMA:
+		if (!capable(CAP_SYS_ADMIN))
+			retcode = DRM_ERR(EPERM);
+		else
+			retcode = via_dma_cleanup(dev);
+		break;
+        case VIA_DMA_INITIALIZED:
+		retcode = (dev_priv->ring.virtual_start != NULL) ? 
+			0: DRM_ERR( EFAULT );
+	        break;
+	default:
+		retcode = DRM_ERR(EINVAL);
+		break;
+	}
+
+	return retcode;
+}
+
+
+
+static int via_dispatch_cmdbuffer(drm_device_t * dev, drm_via_cmdbuffer_t * cmd)
+{
+	drm_via_private_t *dev_priv;
+	uint32_t *vb;
+	int ret;
+
+	dev_priv = (drm_via_private_t *) dev->dev_private;
+
+	if (dev_priv->ring.virtual_start == NULL) {
+		DRM_ERROR("%s called without initializing AGP ring buffer.\n",
+			  __FUNCTION__);
+		return DRM_ERR(EFAULT);
+	}
+
+	if (cmd->size > VIA_PCI_BUF_SIZE) {
+		return DRM_ERR(ENOMEM);
+	} 
+
+
+	if (DRM_COPY_FROM_USER(dev_priv->pci_buf, cmd->buf, cmd->size))
+		return DRM_ERR(EFAULT);
+
+	/*
+	 * Running this function on AGP memory is dead slow. Therefore
+	 * we run it on a temporary cacheable system memory buffer and
+	 * copy it to AGP memory when ready.
+	 */
+
+		
+	if ((ret = via_verify_command_stream((uint32_t *)dev_priv->pci_buf, cmd->size, dev, 1))) {
+		return ret;
+	}
+       	
+	
+	vb = via_check_dma(dev_priv, (cmd->size < 0x100) ? 0x102 : cmd->size);
+	if (vb == NULL) {
+		return DRM_ERR(EAGAIN);
+	}
+
+	memcpy(vb, dev_priv->pci_buf, cmd->size);
+	
+	dev_priv->dma_low += cmd->size;
+
+	/*
+	 * Small submissions somehow stalls the CPU. (AGP cache effects?)
+	 * pad to greater size.
+	 */
+
+	if (cmd->size < 0x100)
+	  via_pad_cache(dev_priv,(0x100 - cmd->size) >> 3);
+	via_cmdbuf_pause(dev_priv);
+
+	return 0;
+}
+
+int via_driver_dma_quiescent(drm_device_t * dev)
+{
+	drm_via_private_t *dev_priv = dev->dev_private;
+
+	if (!via_wait_idle(dev_priv)) {
+		return DRM_ERR(EBUSY);
+	}
+	return 0;
+}
+
+int via_flush_ioctl(DRM_IOCTL_ARGS)
+{
+	DRM_DEVICE;
+
+	LOCK_TEST_WITH_RETURN( dev, filp );
+
+	return via_driver_dma_quiescent(dev);
+}
+
+int via_cmdbuffer(DRM_IOCTL_ARGS)
+{
+	DRM_DEVICE;
+	drm_via_cmdbuffer_t cmdbuf;
+	int ret;
+
+	LOCK_TEST_WITH_RETURN( dev, filp );
+
+	DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_via_cmdbuffer_t __user *) data,
+				 sizeof(cmdbuf));
+
+	DRM_DEBUG("via cmdbuffer, buf %p size %lu\n", cmdbuf.buf, cmdbuf.size);
+
+	ret = via_dispatch_cmdbuffer(dev, &cmdbuf);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+extern int 
+via_parse_command_stream(drm_device_t *dev, const uint32_t * buf, unsigned int size);
+static int via_dispatch_pci_cmdbuffer(drm_device_t * dev,
+				      drm_via_cmdbuffer_t * cmd)
+{
+	drm_via_private_t *dev_priv = dev->dev_private;
+	int ret;
+
+	if (cmd->size > VIA_PCI_BUF_SIZE) {
+		return DRM_ERR(ENOMEM);
+	} 
+	if (DRM_COPY_FROM_USER(dev_priv->pci_buf, cmd->buf, cmd->size))
+		return DRM_ERR(EFAULT);
+	
+	if ((ret = via_verify_command_stream((uint32_t *)dev_priv->pci_buf, cmd->size, dev, 0))) {
+		return ret;
+	}
+	
+	ret = via_parse_command_stream(dev, (const uint32_t *)dev_priv->pci_buf, cmd->size);
+	return ret;
+}
+
+int via_pci_cmdbuffer(DRM_IOCTL_ARGS)
+{
+	DRM_DEVICE;
+	drm_via_cmdbuffer_t cmdbuf;
+	int ret;
+
+	LOCK_TEST_WITH_RETURN( dev, filp );
+
+	DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_via_cmdbuffer_t __user *) data,
+				 sizeof(cmdbuf));
+
+	DRM_DEBUG("via_pci_cmdbuffer, buf %p size %lu\n", cmdbuf.buf,
+		  cmdbuf.size);
+
+	ret = via_dispatch_pci_cmdbuffer(dev, &cmdbuf);
+	if (ret) {
+		return ret;
+	}
+
+	return 0;
+}
+
+
+static inline uint32_t *via_align_buffer(drm_via_private_t * dev_priv,
+					 uint32_t * vb, int qw_count)
+{
+        for (; qw_count > 0; --qw_count) {
+		VIA_OUT_RING_QW(HC_DUMMY, HC_DUMMY);
+	}
+	return vb;
+}
+
+
+/*
+ * This function is used internally by ring buffer mangement code.
+ *
+ * Returns virtual pointer to ring buffer.
+ */
+static inline uint32_t *via_get_dma(drm_via_private_t * dev_priv)
+{
+	return (uint32_t *) (dev_priv->dma_ptr + dev_priv->dma_low);
+}
+
+/*
+ * Hooks a segment of data into the tail of the ring-buffer by
+ * modifying the pause address stored in the buffer itself. If
+ * the regulator has already paused, restart it.
+ */
+static int via_hook_segment(drm_via_private_t *dev_priv,
+			    uint32_t pause_addr_hi, uint32_t pause_addr_lo,
+			    int no_pci_fire)
+{
+	int paused, count;
+	volatile uint32_t *paused_at = dev_priv->last_pause_ptr;
+
+	via_flush_write_combine();
+	while(! *(via_get_dma(dev_priv)-1));
+	*dev_priv->last_pause_ptr = pause_addr_lo;
+	via_flush_write_combine();
+
+	/*
+	 * The below statement is inserted to really force the flush.
+	 * Not sure it is needed.
+	 */
+
+	while(! *dev_priv->last_pause_ptr);
+	dev_priv->last_pause_ptr = via_get_dma(dev_priv) - 1;
+	while(! *dev_priv->last_pause_ptr);
+
+
+	paused = 0;
+	count = 20; 
+
+	while (!(paused = (VIA_READ(0x41c) & 0x80000000)) && count--);
+	if ((count <= 8) && (count >= 0)) {
+		uint32_t rgtr, ptr;
+		rgtr = *(dev_priv->hw_addr_ptr);
+		ptr = ((char *)dev_priv->last_pause_ptr - dev_priv->dma_ptr) + 
+			dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4 - 
+			CMDBUF_ALIGNMENT_SIZE;
+		if (rgtr <= ptr) {
+			DRM_ERROR("Command regulator\npaused at count %d, address %x, "
+				  "while current pause address is %x.\n"
+				  "Please mail this message to "
+				  "<unichrome-devel@lists.sourceforge.net>\n",
+				  count, rgtr, ptr);
+		}
+	}
+		
+	if (paused && !no_pci_fire) {
+	        uint32_t rgtr,ptr;
+		uint32_t ptr_low;
+
+		count = 1000000;
+		while ((VIA_READ(VIA_REG_STATUS) & VIA_CMD_RGTR_BUSY) && count--);
+		
+		rgtr = *(dev_priv->hw_addr_ptr);
+		ptr = ((char *)paused_at - dev_priv->dma_ptr) + 
+			dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr + 4;
+		
+
+		ptr_low = (ptr > 3*CMDBUF_ALIGNMENT_SIZE) ? 
+			ptr - 3*CMDBUF_ALIGNMENT_SIZE : 0;
+		if (rgtr <= ptr && rgtr >= ptr_low) {
+			VIA_WRITE(VIA_REG_TRANSET, (HC_ParaType_PreCR << 16));
+			VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi);
+			VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
+		} 
+	}
+	return paused;
+}
+
+
+
+static int via_wait_idle(drm_via_private_t * dev_priv)
+{
+	int count = 10000000;
+	while (count-- && (VIA_READ(VIA_REG_STATUS) &
+			   (VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY |
+			    VIA_3D_ENG_BUSY))) ;
+	return count;
+}
+
+static uint32_t *via_align_cmd(drm_via_private_t * dev_priv, uint32_t cmd_type,
+			       uint32_t addr, uint32_t *cmd_addr_hi, 
+			       uint32_t *cmd_addr_lo,
+			       int skip_wait)
+{
+	uint32_t agp_base;
+	uint32_t cmd_addr, addr_lo, addr_hi;
+	uint32_t *vb;
+	uint32_t qw_pad_count;
+
+	if (!skip_wait)
+		via_cmdbuf_wait(dev_priv, 2*CMDBUF_ALIGNMENT_SIZE);
+
+	vb = via_get_dma(dev_priv);
+	VIA_OUT_RING_QW( HC_HEADER2 | ((VIA_REG_TRANSET >> 2) << 12) |
+			 (VIA_REG_TRANSPACE >> 2), HC_ParaType_PreCR << 16); 
+	agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr;
+	qw_pad_count = (CMDBUF_ALIGNMENT_SIZE >> 3) -
+		((dev_priv->dma_low & CMDBUF_ALIGNMENT_MASK) >> 3);
+
+	
+	cmd_addr = (addr) ? addr : 
+		agp_base + dev_priv->dma_low - 8 + (qw_pad_count << 3);
+	addr_lo = ((HC_SubA_HAGPBpL << 24) | (cmd_type & HC_HAGPBpID_MASK) |
+		   (cmd_addr & HC_HAGPBpL_MASK));
+	addr_hi = ((HC_SubA_HAGPBpH << 24) | (cmd_addr >> 24));
+
+	vb = via_align_buffer(dev_priv, vb, qw_pad_count - 1);
+	VIA_OUT_RING_QW(*cmd_addr_hi = addr_hi, 
+			*cmd_addr_lo = addr_lo);
+	return vb;
+}
+
+
+
+
+static void via_cmdbuf_start(drm_via_private_t * dev_priv)
+{
+	uint32_t pause_addr_lo, pause_addr_hi;
+	uint32_t start_addr, start_addr_lo;
+	uint32_t end_addr, end_addr_lo;
+	uint32_t command;
+	uint32_t agp_base;
+
+
+	dev_priv->dma_low = 0;
+
+	agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr;
+	start_addr = agp_base;
+	end_addr = agp_base + dev_priv->dma_high;
+
+	start_addr_lo = ((HC_SubA_HAGPBstL << 24) | (start_addr & 0xFFFFFF));
+	end_addr_lo = ((HC_SubA_HAGPBendL << 24) | (end_addr & 0xFFFFFF));
+	command = ((HC_SubA_HAGPCMNT << 24) | (start_addr >> 24) |
+		   ((end_addr & 0xff000000) >> 16));
+
+	dev_priv->last_pause_ptr = 
+		via_align_cmd(dev_priv, HC_HAGPBpID_PAUSE, 0, 
+			      &pause_addr_hi, & pause_addr_lo, 1) - 1;
+
+	via_flush_write_combine();
+	while(! *dev_priv->last_pause_ptr);
+
+	VIA_WRITE(VIA_REG_TRANSET, (HC_ParaType_PreCR << 16));
+	VIA_WRITE(VIA_REG_TRANSPACE, command);
+	VIA_WRITE(VIA_REG_TRANSPACE, start_addr_lo);
+	VIA_WRITE(VIA_REG_TRANSPACE, end_addr_lo);
+
+	VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_hi);
+	VIA_WRITE(VIA_REG_TRANSPACE, pause_addr_lo);
+
+	VIA_WRITE(VIA_REG_TRANSPACE, command | HC_HAGPCMNT_MASK);
+}
+
+static void via_pad_cache(drm_via_private_t *dev_priv, int qwords)
+{
+	uint32_t *vb;
+
+	via_cmdbuf_wait(dev_priv, qwords + 2);
+	vb = via_get_dma(dev_priv);
+	VIA_OUT_RING_QW( HC_HEADER2, HC_ParaType_NotTex << 16);
+	via_align_buffer(dev_priv,vb,qwords);
+}
+
+static inline void via_dummy_bitblt(drm_via_private_t * dev_priv)
+{
+	uint32_t *vb = via_get_dma(dev_priv);
+	SetReg2DAGP(0x0C, (0 | (0 << 16)));
+	SetReg2DAGP(0x10, 0 | (0 << 16));
+	SetReg2DAGP(0x0, 0x1 | 0x2000 | 0xAA000000); 
+}
+
+
+static void via_cmdbuf_jump(drm_via_private_t * dev_priv)
+{
+	uint32_t agp_base;
+	uint32_t pause_addr_lo, pause_addr_hi;
+	uint32_t jump_addr_lo, jump_addr_hi;
+	volatile uint32_t *last_pause_ptr;
+	uint32_t dma_low_save1, dma_low_save2;
+
+	agp_base = dev_priv->dma_offset + (uint32_t) dev_priv->agpAddr;
+	via_align_cmd(dev_priv,  HC_HAGPBpID_JUMP, 0, &jump_addr_hi, 
+		      &jump_addr_lo, 0);
+	
+	dev_priv->dma_wrap = dev_priv->dma_low;
+
+
+	/*
+	 * Wrap command buffer to the beginning.
+	 */
+
+	dev_priv->dma_low = 0;
+	if (via_cmdbuf_wait(dev_priv, CMDBUF_ALIGNMENT_SIZE) != 0) {
+		DRM_ERROR("via_cmdbuf_jump failed\n");
+	}
+
+	via_dummy_bitblt(dev_priv);
+	via_dummy_bitblt(dev_priv); 
+
+	last_pause_ptr = via_align_cmd(dev_priv,  HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, 
+				       &pause_addr_lo, 0) -1;
+	via_align_cmd(dev_priv,  HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, 
+		      &pause_addr_lo, 0);
+
+	*last_pause_ptr = pause_addr_lo;
+	dma_low_save1 = dev_priv->dma_low;
+
+	/*
+	 * Now, set a trap that will pause the regulator if it tries to rerun the old
+	 * command buffer. (Which may happen if via_hook_segment detecs a command regulator pause
+	 * and reissues the jump command over PCI, while the regulator has already taken the jump
+	 * and actually paused at the current buffer end).
+	 * There appears to be no other way to detect this condition, since the hw_addr_pointer
+	 * does not seem to get updated immediately when a jump occurs.
+	 */
+
+	last_pause_ptr = via_align_cmd(dev_priv,  HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, 
+				       &pause_addr_lo, 0) -1;
+	via_align_cmd(dev_priv,  HC_HAGPBpID_PAUSE, 0, &pause_addr_hi, 
+		      &pause_addr_lo, 0);
+	*last_pause_ptr = pause_addr_lo;
+
+	dma_low_save2 = dev_priv->dma_low;
+	dev_priv->dma_low = dma_low_save1;	
+	via_hook_segment( dev_priv, jump_addr_hi, jump_addr_lo, 0);
+	dev_priv->dma_low = dma_low_save2;
+	via_hook_segment( dev_priv, pause_addr_hi, pause_addr_lo, 0);
+}
+
+
+static void via_cmdbuf_rewind(drm_via_private_t * dev_priv)
+{
+	via_cmdbuf_jump(dev_priv); 
+}
+
+static void via_cmdbuf_flush(drm_via_private_t * dev_priv, uint32_t cmd_type)
+{
+	uint32_t pause_addr_lo, pause_addr_hi;
+
+	via_align_cmd(dev_priv, cmd_type, 0, &pause_addr_hi, &pause_addr_lo, 0);
+	via_hook_segment( dev_priv, pause_addr_hi, pause_addr_lo, 0);
+}
+
+
+static void via_cmdbuf_pause(drm_via_private_t * dev_priv)
+{
+	via_cmdbuf_flush(dev_priv, HC_HAGPBpID_PAUSE);
+}
+
+static void via_cmdbuf_reset(drm_via_private_t * dev_priv)
+{
+	via_cmdbuf_flush(dev_priv, HC_HAGPBpID_STOP);
+	via_wait_idle(dev_priv);
+}
+
+/*
+ * User interface to the space and lag functions.
+ */
+
+int 
+via_cmdbuf_size(DRM_IOCTL_ARGS)
+{
+	DRM_DEVICE;
+	drm_via_cmdbuf_size_t d_siz;
+	int ret = 0;
+	uint32_t tmp_size, count;
+	drm_via_private_t *dev_priv;
+
+	DRM_DEBUG("via cmdbuf_size\n");
+	LOCK_TEST_WITH_RETURN( dev, filp );
+
+	dev_priv = (drm_via_private_t *) dev->dev_private;
+
+	if (dev_priv->ring.virtual_start == NULL) {
+		DRM_ERROR("%s called without initializing AGP ring buffer.\n",
+			  __FUNCTION__);
+		return DRM_ERR(EFAULT);
+	}
+
+	DRM_COPY_FROM_USER_IOCTL(d_siz, (drm_via_cmdbuf_size_t __user *) data,
+				 sizeof(d_siz));
+
+
+	count = 1000000;
+	tmp_size = d_siz.size;
+	switch(d_siz.func) {
+	case VIA_CMDBUF_SPACE:
+		while (((tmp_size = via_cmdbuf_space(dev_priv)) < d_siz.size) && count--) {
+			if (!d_siz.wait) {
+				break;
+			}
+		}
+		if (!count) {
+			DRM_ERROR("VIA_CMDBUF_SPACE timed out.\n");
+			ret = DRM_ERR(EAGAIN);
+		}
+		break;
+	case VIA_CMDBUF_LAG:
+		while (((tmp_size = via_cmdbuf_lag(dev_priv)) > d_siz.size) && count--) {
+			if (!d_siz.wait) {
+				break;
+			}
+		}
+		if (!count) {
+			DRM_ERROR("VIA_CMDBUF_LAG timed out.\n");
+			ret = DRM_ERR(EAGAIN);
+		}
+		break;
+	default:
+		ret = DRM_ERR(EFAULT);
+	}
+	d_siz.size = tmp_size;
+
+	DRM_COPY_TO_USER_IOCTL((drm_via_cmdbuf_size_t __user *) data, d_siz,
+			       sizeof(d_siz));
+	return ret;
+}
diff --git a/drivers/char/drm/via_drm.h b/drivers/char/drm/via_drm.h
new file mode 100644
index 0000000..be346bb
--- /dev/null
+++ b/drivers/char/drm/via_drm.h
@@ -0,0 +1,243 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _VIA_DRM_H_
+#define _VIA_DRM_H_
+
+/* WARNING: These defines must be the same as what the Xserver uses.
+ * if you change them, you must change the defines in the Xserver.
+ */
+
+#ifndef _VIA_DEFINES_
+#define _VIA_DEFINES_
+
+#ifndef __KERNEL__
+#include "via_drmclient.h"
+#endif
+
+#define VIA_NR_SAREA_CLIPRECTS 		8
+#define VIA_NR_XVMC_PORTS               10
+#define VIA_NR_XVMC_LOCKS               5
+#define VIA_MAX_CACHELINE_SIZE          64
+#define XVMCLOCKPTR(saPriv,lockNo)					\
+	((volatile drm_hw_lock_t *)(((((unsigned long) (saPriv)->XvMCLockArea) + \
+				      (VIA_MAX_CACHELINE_SIZE - 1)) &	\
+				     ~(VIA_MAX_CACHELINE_SIZE - 1)) +	\
+				    VIA_MAX_CACHELINE_SIZE*(lockNo)))
+
+/* Each region is a minimum of 64k, and there are at most 64 of them.
+ */
+#define VIA_NR_TEX_REGIONS 64
+#define VIA_LOG_MIN_TEX_REGION_SIZE 16
+#endif
+
+#define VIA_UPLOAD_TEX0IMAGE  0x1	/* handled clientside */
+#define VIA_UPLOAD_TEX1IMAGE  0x2	/* handled clientside */
+#define VIA_UPLOAD_CTX        0x4
+#define VIA_UPLOAD_BUFFERS    0x8
+#define VIA_UPLOAD_TEX0       0x10
+#define VIA_UPLOAD_TEX1       0x20
+#define VIA_UPLOAD_CLIPRECTS  0x40
+#define VIA_UPLOAD_ALL        0xff
+
+/* VIA specific ioctls */
+#define DRM_VIA_ALLOCMEM	0x00
+#define DRM_VIA_FREEMEM	        0x01
+#define DRM_VIA_AGP_INIT	0x02
+#define DRM_VIA_FB_INIT	        0x03
+#define DRM_VIA_MAP_INIT	0x04
+#define DRM_VIA_DEC_FUTEX       0x05
+#define NOT_USED
+#define DRM_VIA_DMA_INIT	0x07
+#define DRM_VIA_CMDBUFFER	0x08
+#define DRM_VIA_FLUSH	        0x09
+#define DRM_VIA_PCICMD	        0x0a
+#define DRM_VIA_CMDBUF_SIZE	0x0b
+#define NOT_USED
+#define DRM_VIA_WAIT_IRQ        0x0d
+
+#define DRM_IOCTL_VIA_ALLOCMEM	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t)
+#define DRM_IOCTL_VIA_FREEMEM	  DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t)
+#define DRM_IOCTL_VIA_AGP_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_AGP_INIT, drm_via_agp_t)
+#define DRM_IOCTL_VIA_FB_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_FB_INIT, drm_via_fb_t)
+#define DRM_IOCTL_VIA_MAP_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_MAP_INIT, drm_via_init_t)
+#define DRM_IOCTL_VIA_DEC_FUTEX   DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_DEC_FUTEX, drm_via_futex_t)
+#define DRM_IOCTL_VIA_DMA_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_DMA_INIT, drm_via_dma_init_t)
+#define DRM_IOCTL_VIA_CMDBUFFER	  DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_CMDBUFFER, drm_via_cmdbuffer_t)
+#define DRM_IOCTL_VIA_FLUSH	  DRM_IO(  DRM_COMMAND_BASE + DRM_VIA_FLUSH)
+#define DRM_IOCTL_VIA_PCICMD	  DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_PCICMD, drm_via_cmdbuffer_t)
+#define DRM_IOCTL_VIA_CMDBUF_SIZE DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_CMDBUF_SIZE, \
+					    drm_via_cmdbuf_size_t)
+#define DRM_IOCTL_VIA_WAIT_IRQ    DRM_IOWR( DRM_COMMAND_BASE + DRM_VIA_WAIT_IRQ, drm_via_irqwait_t)
+
+/* Indices into buf.Setup where various bits of state are mirrored per
+ * context and per buffer.  These can be fired at the card as a unit,
+ * or in a piecewise fashion as required.
+ */
+
+#define VIA_TEX_SETUP_SIZE 8
+
+/* Flags for clear ioctl
+ */
+#define VIA_FRONT   0x1
+#define VIA_BACK    0x2
+#define VIA_DEPTH   0x4
+#define VIA_STENCIL 0x8
+#define VIDEO 0
+#define AGP 1
+typedef struct {
+	uint32_t offset;
+	uint32_t size;
+} drm_via_agp_t;
+
+typedef struct {
+	uint32_t offset;
+	uint32_t size;
+} drm_via_fb_t;
+
+typedef struct {
+	uint32_t context;
+	uint32_t type;
+	uint32_t size;
+	unsigned long index;
+	unsigned long offset;
+} drm_via_mem_t;
+
+typedef struct _drm_via_init {
+	enum {
+		VIA_INIT_MAP = 0x01,
+		VIA_CLEANUP_MAP = 0x02
+	} func;
+
+	unsigned long sarea_priv_offset;
+	unsigned long fb_offset;
+	unsigned long mmio_offset;
+	unsigned long agpAddr;
+} drm_via_init_t;
+
+typedef struct _drm_via_futex {
+	enum {
+		VIA_FUTEX_WAIT = 0x00,
+		VIA_FUTEX_WAKE = 0X01
+	} func;
+	uint32_t ms;
+	uint32_t lock;
+	uint32_t val;
+} drm_via_futex_t;
+
+typedef struct _drm_via_dma_init {
+	enum {
+		VIA_INIT_DMA = 0x01,
+		VIA_CLEANUP_DMA = 0x02,
+                VIA_DMA_INITIALIZED = 0x03
+	} func;
+
+	unsigned long offset;
+	unsigned long size;
+	unsigned long reg_pause_addr;
+} drm_via_dma_init_t;
+
+typedef struct _drm_via_cmdbuffer {
+	char __user *buf;
+	unsigned long size;
+} drm_via_cmdbuffer_t;
+
+/* Warning: If you change the SAREA structure you must change the Xserver
+ * structure as well */
+
+typedef struct _drm_via_tex_region {
+	unsigned char next, prev;	/* indices to form a circular LRU  */
+	unsigned char inUse;	/* owned by a client, or free? */
+	int age;		/* tracked by clients to update local LRU's */
+} drm_via_tex_region_t;
+
+typedef struct _drm_via_sarea {
+	unsigned int dirty;
+	unsigned int nbox;
+	drm_clip_rect_t boxes[VIA_NR_SAREA_CLIPRECTS];
+	drm_via_tex_region_t texList[VIA_NR_TEX_REGIONS + 1];
+	int texAge;		/* last time texture was uploaded */
+	int ctxOwner;		/* last context to upload state */
+	int vertexPrim;
+
+	/*
+	 * Below is for XvMC.
+	 * We want the lock integers alone on, and aligned to, a cache line.
+	 * Therefore this somewhat strange construct.
+	 */
+
+	char XvMCLockArea[VIA_MAX_CACHELINE_SIZE * (VIA_NR_XVMC_LOCKS + 1)];
+
+	unsigned int XvMCDisplaying[VIA_NR_XVMC_PORTS];
+	unsigned int XvMCSubPicOn[VIA_NR_XVMC_PORTS];
+	unsigned int XvMCCtxNoGrabbed;	/* Last context to hold decoder */
+
+} drm_via_sarea_t;
+
+typedef struct _drm_via_cmdbuf_size {
+	enum {
+		VIA_CMDBUF_SPACE = 0x01,
+		VIA_CMDBUF_LAG = 0x02
+	} func;
+	int wait;
+	uint32_t size;
+} drm_via_cmdbuf_size_t;
+
+typedef enum {
+	VIA_IRQ_ABSOLUTE = 0x0,
+	VIA_IRQ_RELATIVE = 0x1,
+	VIA_IRQ_SIGNAL = 0x10000000,
+	VIA_IRQ_FORCE_SEQUENCE = 0x20000000
+} via_irq_seq_type_t;
+
+#define VIA_IRQ_FLAGS_MASK 0xF0000000
+
+struct drm_via_wait_irq_request{
+	unsigned irq;
+	via_irq_seq_type_t type;
+	uint32_t sequence;
+	uint32_t signal;
+};
+
+typedef union drm_via_irqwait {
+	struct drm_via_wait_irq_request request;
+	struct drm_wait_vblank_reply reply;
+} drm_via_irqwait_t;
+
+#ifdef __KERNEL__
+
+int via_fb_init(DRM_IOCTL_ARGS);
+int via_mem_alloc(DRM_IOCTL_ARGS);
+int via_mem_free(DRM_IOCTL_ARGS);
+int via_agp_init(DRM_IOCTL_ARGS);
+int via_map_init(DRM_IOCTL_ARGS);
+int via_decoder_futex(DRM_IOCTL_ARGS);
+int via_dma_init(DRM_IOCTL_ARGS);
+int via_cmdbuffer(DRM_IOCTL_ARGS);
+int via_flush_ioctl(DRM_IOCTL_ARGS);
+int via_pci_cmdbuffer(DRM_IOCTL_ARGS);
+int via_cmdbuf_size(DRM_IOCTL_ARGS);
+int via_wait_irq(DRM_IOCTL_ARGS);
+
+#endif
+#endif				/* _VIA_DRM_H_ */
diff --git a/drivers/char/drm/via_drv.c b/drivers/char/drm/via_drv.c
new file mode 100644
index 0000000..275eefc
--- /dev/null
+++ b/drivers/char/drm/via_drv.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <linux/config.h>
+#include "drmP.h"
+#include "via_drm.h"
+#include "via_drv.h"
+
+#include "drm_pciids.h"
+
+static int postinit(struct drm_device *dev, unsigned long flags)
+{
+	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n",
+		 DRIVER_NAME,
+		 DRIVER_MAJOR,
+		 DRIVER_MINOR,
+		 DRIVER_PATCHLEVEL,
+		 DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev)
+	    );
+	return 0;
+}
+
+static int version(drm_version_t * version)
+{
+	int len;
+
+	version->version_major = DRIVER_MAJOR;
+	version->version_minor = DRIVER_MINOR;
+	version->version_patchlevel = DRIVER_PATCHLEVEL;
+	DRM_COPY(version->name, DRIVER_NAME);
+	DRM_COPY(version->date, DRIVER_DATE);
+	DRM_COPY(version->desc, DRIVER_DESC);
+	return 0;
+}
+
+static struct pci_device_id pciidlist[] = {
+	viadrv_PCI_IDS
+};
+
+static drm_ioctl_desc_t ioctls[] = {
+	[DRM_IOCTL_NR(DRM_VIA_ALLOCMEM)] = {via_mem_alloc, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_FREEMEM)] = {via_mem_free, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_AGP_INIT)] = {via_agp_init, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_FB_INIT)] = {via_fb_init, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_MAP_INIT)] = {via_map_init, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_DEC_FUTEX)] = {via_decoder_futex, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_DMA_INIT)] = {via_dma_init, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_CMDBUFFER)] = {via_cmdbuffer, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_FLUSH)] = {via_flush_ioctl, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_PCICMD)] = {via_pci_cmdbuffer, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_CMDBUF_SIZE)] = {via_cmdbuf_size, 1, 0},
+	[DRM_IOCTL_NR(DRM_VIA_WAIT_IRQ)] = {via_wait_irq, 1, 0}
+};
+
+static struct drm_driver driver = {
+	.driver_features =
+	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
+	    DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
+	.context_ctor = via_init_context,
+	.context_dtor = via_final_context,
+	.vblank_wait = via_driver_vblank_wait,
+	.irq_preinstall = via_driver_irq_preinstall,
+	.irq_postinstall = via_driver_irq_postinstall,
+	.irq_uninstall = via_driver_irq_uninstall,
+	.irq_handler = via_driver_irq_handler,
+	.dma_quiescent = via_driver_dma_quiescent,
+	.reclaim_buffers = drm_core_reclaim_buffers,
+	.get_map_ofs = drm_core_get_map_ofs,
+	.get_reg_ofs = drm_core_get_reg_ofs,
+	.postinit = postinit,
+	.version = version,
+	.ioctls = ioctls,
+	.num_ioctls = DRM_ARRAY_SIZE(ioctls),
+	.fops = {
+		.owner = THIS_MODULE,
+		.open = drm_open,
+		.release = drm_release,
+		.ioctl = drm_ioctl,
+		.mmap = drm_mmap,
+		.poll = drm_poll,
+		.fasync = drm_fasync,
+		},
+	.pci_driver = {
+		.name = DRIVER_NAME,
+		.id_table = pciidlist,
+	}
+};
+
+static int __init via_init(void)
+{
+	via_init_command_verifier();
+	return drm_init(&driver);
+}
+
+static void __exit via_exit(void)
+{
+	drm_exit(&driver);
+}
+
+module_init(via_init);
+module_exit(via_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/char/drm/via_drv.h b/drivers/char/drm/via_drv.h
new file mode 100644
index 0000000..4eaa8b7
--- /dev/null
+++ b/drivers/char/drm/via_drv.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _VIA_DRV_H_
+#define _VIA_DRV_H_
+
+#define DRIVER_AUTHOR	"VIA"
+
+#define DRIVER_NAME		"via"
+#define DRIVER_DESC		"VIA Unichrome / Pro"
+#define DRIVER_DATE		"20050523"
+
+#define DRIVER_MAJOR		2
+#define DRIVER_MINOR		6
+#define DRIVER_PATCHLEVEL	3
+
+#include "via_verifier.h"
+
+#define VIA_PCI_BUF_SIZE 60000
+#define VIA_FIRE_BUF_SIZE  1024
+#define VIA_NUM_IRQS 2
+
+
+
+typedef struct drm_via_ring_buffer {
+	drm_map_t map;
+	char *virtual_start;
+} drm_via_ring_buffer_t;
+
+typedef uint32_t maskarray_t[5];
+
+typedef struct drm_via_irq {
+	atomic_t irq_received;
+	uint32_t pending_mask;
+	uint32_t enable_mask;
+	wait_queue_head_t irq_queue;
+} drm_via_irq_t;
+	
+typedef struct drm_via_private {
+	drm_via_sarea_t *sarea_priv;
+	drm_map_t *sarea;
+	drm_map_t *fb;
+	drm_map_t *mmio;
+	unsigned long agpAddr;
+	wait_queue_head_t decoder_queue[VIA_NR_XVMC_LOCKS];
+	char *dma_ptr;
+	unsigned int dma_low;
+	unsigned int dma_high;
+	unsigned int dma_offset;
+	uint32_t dma_wrap;
+	volatile uint32_t *last_pause_ptr;
+	volatile uint32_t *hw_addr_ptr;
+	drm_via_ring_buffer_t ring;
+        struct timeval last_vblank;
+        int last_vblank_valid;
+        unsigned usec_per_vblank;
+	drm_via_state_t hc_state;
+	char pci_buf[VIA_PCI_BUF_SIZE];
+	const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
+	uint32_t num_fire_offsets;
+	int pro_group_a;
+	drm_via_irq_t via_irqs[VIA_NUM_IRQS];
+	unsigned num_irqs;
+	maskarray_t *irq_masks;
+	uint32_t irq_enable_mask; 
+	uint32_t irq_pending_mask;	
+} drm_via_private_t;
+
+/* VIA MMIO register access */
+#define VIA_BASE ((dev_priv->mmio))
+
+#define VIA_READ(reg)		DRM_READ32(VIA_BASE, reg)
+#define VIA_WRITE(reg,val)	DRM_WRITE32(VIA_BASE, reg, val)
+#define VIA_READ8(reg)		DRM_READ8(VIA_BASE, reg)
+#define VIA_WRITE8(reg,val)	DRM_WRITE8(VIA_BASE, reg, val)
+
+extern int via_init_context(drm_device_t * dev, int context);
+extern int via_final_context(drm_device_t * dev, int context);
+
+extern int via_do_cleanup_map(drm_device_t * dev);
+extern int via_map_init(struct inode *inode, struct file *filp,
+			unsigned int cmd, unsigned long arg);
+extern int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);
+
+extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
+extern void via_driver_irq_preinstall(drm_device_t * dev);
+extern void via_driver_irq_postinstall(drm_device_t * dev);
+extern void via_driver_irq_uninstall(drm_device_t * dev);
+
+extern int via_dma_cleanup(drm_device_t * dev);
+extern void via_init_command_verifier(void);
+extern int via_driver_dma_quiescent(drm_device_t * dev);
+extern void via_init_futex(drm_via_private_t *dev_priv);
+extern void via_cleanup_futex(drm_via_private_t *dev_priv);
+extern void via_release_futex(drm_via_private_t *dev_priv, int context);
+
+
+#endif
diff --git a/drivers/char/drm/via_ds.c b/drivers/char/drm/via_ds.c
new file mode 100644
index 0000000..5c71e08
--- /dev/null
+++ b/drivers/char/drm/via_ds.c
@@ -0,0 +1,280 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/poll.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+
+#include "via_ds.h"
+extern unsigned int VIA_DEBUG;
+
+set_t *via_setInit(void)
+{
+	int i;
+	set_t *set;
+	set = (set_t *) drm_alloc(sizeof(set_t), DRM_MEM_DRIVER);
+	for (i = 0; i < SET_SIZE; i++) {
+		set->list[i].free_next = i + 1;
+		set->list[i].alloc_next = -1;
+	}
+	set->list[SET_SIZE - 1].free_next = -1;
+	set->free = 0;
+	set->alloc = -1;
+	set->trace = -1;
+	return set;
+}
+
+int via_setAdd(set_t * set, ITEM_TYPE item)
+{
+	int free = set->free;
+	if (free != -1) {
+		set->list[free].val = item;
+		set->free = set->list[free].free_next;
+	} else {
+		return 0;
+	}
+	set->list[free].alloc_next = set->alloc;
+	set->alloc = free;
+	set->list[free].free_next = -1;
+	return 1;
+}
+
+int via_setDel(set_t * set, ITEM_TYPE item)
+{
+	int alloc = set->alloc;
+	int prev = -1;
+
+	while (alloc != -1) {
+		if (set->list[alloc].val == item) {
+			if (prev != -1)
+				set->list[prev].alloc_next =
+				    set->list[alloc].alloc_next;
+			else
+				set->alloc = set->list[alloc].alloc_next;
+			break;
+		}
+		prev = alloc;
+		alloc = set->list[alloc].alloc_next;
+	}
+
+	if (alloc == -1)
+		return 0;
+
+	set->list[alloc].free_next = set->free;
+	set->free = alloc;
+	set->list[alloc].alloc_next = -1;
+
+	return 1;
+}
+
+/* setFirst -> setAdd -> setNext is wrong */
+
+int via_setFirst(set_t * set, ITEM_TYPE * item)
+{
+	if (set->alloc == -1)
+		return 0;
+
+	*item = set->list[set->alloc].val;
+	set->trace = set->list[set->alloc].alloc_next;
+
+	return 1;
+}
+
+int via_setNext(set_t * set, ITEM_TYPE * item)
+{
+	if (set->trace == -1)
+		return 0;
+
+	*item = set->list[set->trace].val;
+	set->trace = set->list[set->trace].alloc_next;
+
+	return 1;
+}
+
+int via_setDestroy(set_t * set)
+{
+	drm_free(set, sizeof(set_t), DRM_MEM_DRIVER);
+
+	return 1;
+}
+
+#define ISFREE(bptr) ((bptr)->free)
+
+#define fprintf(fmt, arg...) do{}while(0)
+
+memHeap_t *via_mmInit(int ofs, int size)
+{
+	PMemBlock blocks;
+
+	if (size <= 0)
+		return NULL;
+
+	blocks = (TMemBlock *) drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER);
+
+	if (blocks) {
+		blocks->ofs = ofs;
+		blocks->size = size;
+		blocks->free = 1;
+		return (memHeap_t *) blocks;
+	} else
+		return NULL;
+}
+
+static TMemBlock *SliceBlock(TMemBlock * p,
+			     int startofs, int size,
+			     int reserved, int alignment)
+{
+	TMemBlock *newblock;
+
+	/* break left */
+	if (startofs > p->ofs) {
+		newblock =
+		    (TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
+					     DRM_MEM_DRIVER);
+		newblock->ofs = startofs;
+		newblock->size = p->size - (startofs - p->ofs);
+		newblock->free = 1;
+		newblock->next = p->next;
+		p->size -= newblock->size;
+		p->next = newblock;
+		p = newblock;
+	}
+
+	/* break right */
+	if (size < p->size) {
+		newblock =
+		    (TMemBlock *) drm_calloc(1, sizeof(TMemBlock),
+					     DRM_MEM_DRIVER);
+		newblock->ofs = startofs + size;
+		newblock->size = p->size - size;
+		newblock->free = 1;
+		newblock->next = p->next;
+		p->size = size;
+		p->next = newblock;
+	}
+
+	/* p = middle block */
+	p->align = alignment;
+	p->free = 0;
+	p->reserved = reserved;
+	return p;
+}
+
+PMemBlock via_mmAllocMem(memHeap_t * heap, int size, int align2,
+			 int startSearch)
+{
+	int mask, startofs, endofs;
+	TMemBlock *p;
+
+	if (!heap || align2 < 0 || size <= 0)
+		return NULL;
+
+	mask = (1 << align2) - 1;
+	startofs = 0;
+	p = (TMemBlock *) heap;
+
+	while (p) {
+		if (ISFREE(p)) {
+			startofs = (p->ofs + mask) & ~mask;
+
+			if (startofs < startSearch)
+				startofs = startSearch;
+
+			endofs = startofs + size;
+
+			if (endofs <= (p->ofs + p->size))
+				break;
+		}
+
+		p = p->next;
+	}
+
+	if (!p)
+		return NULL;
+
+	p = SliceBlock(p, startofs, size, 0, mask + 1);
+	p->heap = heap;
+
+	return p;
+}
+
+static __inline__ int Join2Blocks(TMemBlock * p)
+{
+	if (p->free && p->next && p->next->free) {
+		TMemBlock *q = p->next;
+		p->size += q->size;
+		p->next = q->next;
+		drm_free(q, sizeof(TMemBlock), DRM_MEM_DRIVER);
+
+		return 1;
+	}
+
+	return 0;
+}
+
+int via_mmFreeMem(PMemBlock b)
+{
+	TMemBlock *p, *prev;
+
+	if (!b)
+		return 0;
+
+	if (!b->heap) {
+		fprintf(stderr, "no heap\n");
+
+		return -1;
+	}
+
+	p = b->heap;
+	prev = NULL;
+
+	while (p && p != b) {
+		prev = p;
+		p = p->next;
+	}
+
+	if (!p || p->free || p->reserved) {
+		if (!p)
+			fprintf(stderr, "block not found in heap\n");
+		else if (p->free)
+			fprintf(stderr, "block already free\n");
+		else
+			fprintf(stderr, "block is reserved\n");
+
+		return -1;
+	}
+
+	p->free = 1;
+	Join2Blocks(p);
+
+	if (prev)
+		Join2Blocks(prev);
+
+	return 0;
+}
diff --git a/drivers/char/drm/via_ds.h b/drivers/char/drm/via_ds.h
new file mode 100644
index 0000000..d2bb9f3
--- /dev/null
+++ b/drivers/char/drm/via_ds.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _via_ds_h_
+#define _via_ds_h_
+
+#include "drmP.h"
+
+/* Set Data Structure */
+#define SET_SIZE 5000
+typedef unsigned long ITEM_TYPE;
+
+typedef struct {
+	ITEM_TYPE val;
+	int alloc_next, free_next;
+} list_item_t;
+
+typedef struct {
+	int alloc;
+	int free;
+	int trace;
+	list_item_t list[SET_SIZE];
+} set_t;
+
+set_t *via_setInit(void);
+int via_setAdd(set_t * set, ITEM_TYPE item);
+int via_setDel(set_t * set, ITEM_TYPE item);
+int via_setFirst(set_t * set, ITEM_TYPE * item);
+int via_setNext(set_t * set, ITEM_TYPE * item);
+int via_setDestroy(set_t * set);
+
+#endif
+
+#ifndef MM_INC
+#define MM_INC
+
+struct mem_block_t {
+	struct mem_block_t *next;
+	struct mem_block_t *heap;
+	int ofs, size;
+	int align;
+	unsigned int free:1;
+	unsigned int reserved:1;
+};
+typedef struct mem_block_t TMemBlock;
+typedef struct mem_block_t *PMemBlock;
+
+/* a heap is just the first block in a chain */
+typedef struct mem_block_t memHeap_t;
+
+static __inline__ int mmBlockSize(PMemBlock b)
+{
+	return b->size;
+}
+
+static __inline__ int mmOffset(PMemBlock b)
+{
+	return b->ofs;
+}
+
+static __inline__ void mmMarkReserved(PMemBlock b)
+{
+	b->reserved = 1;
+}
+
+/*
+ * input: total size in bytes
+ * return: a heap pointer if OK, NULL if error
+ */
+memHeap_t *via_mmInit(int ofs, int size);
+
+PMemBlock via_mmAllocMem(memHeap_t * heap, int size, int align2,
+			 int startSearch);
+
+/*
+ * Free block starts at offset
+ * input: pointer to a block
+ * return: 0 if OK, -1 if error
+ */
+int via_mmFreeMem(PMemBlock b);
+
+#endif
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c
new file mode 100644
index 0000000..e8027f3
--- /dev/null
+++ b/drivers/char/drm/via_irq.c
@@ -0,0 +1,339 @@
+/* via_irq.c
+ *
+ * Copyright 2004 BEAM Ltd.
+ * Copyright 2002 Tungsten Graphics, Inc.
+ * Copyright 2005 Thomas Hellstrom.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BEAM LTD, TUNGSTEN GRAPHICS  AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Terry Barnaby <terry1@beam.ltd.uk>
+ *    Keith Whitwell <keith@tungstengraphics.com>
+ *    Thomas Hellstrom <unichrome@shipmail.org>
+ *
+ * This code provides standard DRM access to the Via Unichrome / Pro Vertical blank
+ * interrupt, as well as an infrastructure to handle other interrupts of the chip.
+ * The refresh rate is also calculated for video playback sync purposes.
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "via_drm.h"
+#include "via_drv.h"
+
+#define VIA_REG_INTERRUPT       0x200
+
+/* VIA_REG_INTERRUPT */
+#define VIA_IRQ_GLOBAL          (1 << 31)
+#define VIA_IRQ_VBLANK_ENABLE   (1 << 19)
+#define VIA_IRQ_VBLANK_PENDING  (1 << 3)
+#define VIA_IRQ_HQV0_ENABLE     (1 << 11)
+#define VIA_IRQ_HQV1_ENABLE     (1 << 25)
+#define VIA_IRQ_HQV0_PENDING    (1 << 9)
+#define VIA_IRQ_HQV1_PENDING    (1 << 10)
+
+/*
+ * Device-specific IRQs go here. This type might need to be extended with
+ * the register if there are multiple IRQ control registers.
+ * Currently we activate the HQV interrupts of  Unichrome Pro group A. 
+ */
+
+static maskarray_t via_pro_group_a_irqs[] = {
+	{VIA_IRQ_HQV0_ENABLE, VIA_IRQ_HQV0_PENDING, 0x000003D0, 0x00008010, 0x00000000 },
+	{VIA_IRQ_HQV1_ENABLE, VIA_IRQ_HQV1_PENDING, 0x000013D0, 0x00008010, 0x00000000 }};
+static int via_num_pro_group_a = sizeof(via_pro_group_a_irqs)/sizeof(maskarray_t);
+
+static maskarray_t via_unichrome_irqs[] = {};
+static int via_num_unichrome = sizeof(via_unichrome_irqs)/sizeof(maskarray_t);
+
+
+static unsigned time_diff(struct timeval *now,struct timeval *then) 
+{
+    return (now->tv_usec >= then->tv_usec) ?
+        now->tv_usec - then->tv_usec :
+        1000000 - (then->tv_usec - now->tv_usec);
+}
+
+irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
+{
+	drm_device_t *dev = (drm_device_t *) arg;
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	u32 status;
+	int handled = 0;
+	struct timeval cur_vblank;
+	drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+	int i;
+
+	status = VIA_READ(VIA_REG_INTERRUPT);
+	if (status & VIA_IRQ_VBLANK_PENDING) {
+		atomic_inc(&dev->vbl_received);
+                if (!(atomic_read(&dev->vbl_received) & 0x0F)) {
+			do_gettimeofday(&cur_vblank);
+                        if (dev_priv->last_vblank_valid) {
+				dev_priv->usec_per_vblank = 
+					time_diff( &cur_vblank,&dev_priv->last_vblank) >> 4;
+			}
+			dev_priv->last_vblank = cur_vblank;
+			dev_priv->last_vblank_valid = 1;
+                }
+                if (!(atomic_read(&dev->vbl_received) & 0xFF)) {
+			DRM_DEBUG("US per vblank is: %u\n",
+				dev_priv->usec_per_vblank);
+		}
+		DRM_WAKEUP(&dev->vbl_queue);
+		drm_vbl_send_signals(dev);
+		handled = 1;
+	}
+	
+
+	for (i=0; i<dev_priv->num_irqs; ++i) {
+		if (status & cur_irq->pending_mask) {
+			atomic_inc( &cur_irq->irq_received );
+			DRM_WAKEUP( &cur_irq->irq_queue );
+			handled = 1;
+		}
+		cur_irq++;
+	}
+	
+	/* Acknowlege interrupts */
+	VIA_WRITE(VIA_REG_INTERRUPT, status);
+
+
+	if (handled)
+		return IRQ_HANDLED;
+	else
+		return IRQ_NONE;
+}
+
+static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t * dev_priv)
+{
+	u32 status;
+
+	if (dev_priv) {
+		/* Acknowlege interrupts */
+		status = VIA_READ(VIA_REG_INTERRUPT);
+		VIA_WRITE(VIA_REG_INTERRUPT, status | 
+			  dev_priv->irq_pending_mask);
+	}
+}
+
+int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence)
+{
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	unsigned int cur_vblank;
+	int ret = 0;
+
+	DRM_DEBUG("viadrv_vblank_wait\n");
+	if (!dev_priv) {
+		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+		return -EINVAL;
+	}
+
+	viadrv_acknowledge_irqs(dev_priv);
+
+	/* Assume that the user has missed the current sequence number
+	 * by about a day rather than she wants to wait for years
+	 * using vertical blanks...
+	 */
+
+	DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
+		    (((cur_vblank = atomic_read(&dev->vbl_received)) -
+		      *sequence) <= (1 << 23)));
+	
+	*sequence = cur_vblank;
+	return ret;
+}
+
+static int 
+via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
+		    unsigned int *sequence)
+{
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	unsigned int cur_irq_sequence;
+	drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+	int ret = 0;
+	maskarray_t *masks = dev_priv->irq_masks;
+
+	DRM_DEBUG("%s\n", __FUNCTION__);
+
+	if (!dev_priv) {
+		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+		return DRM_ERR(EINVAL);
+	}
+
+	if (irq >= dev_priv->num_irqs ) {
+		DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__, irq);
+		return DRM_ERR(EINVAL);
+	}
+		
+	cur_irq += irq;
+
+	if (masks[irq][2] && !force_sequence) {
+		DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
+			    ((VIA_READ(masks[irq][2]) & masks[irq][3]) == masks[irq][4]));
+		cur_irq_sequence = atomic_read(&cur_irq->irq_received);
+	} else {
+		DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
+			    (((cur_irq_sequence = atomic_read(&cur_irq->irq_received)) -
+			      *sequence) <= (1 << 23)));		
+	}
+	*sequence = cur_irq_sequence;
+	return ret;
+}
+
+
+/*
+ * drm_dma.h hooks
+ */
+
+void via_driver_irq_preinstall(drm_device_t * dev)
+{
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	u32 status;
+	drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+	int i;
+
+	DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv);
+	if (dev_priv) {
+
+		dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE;
+		dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING;
+
+		dev_priv->irq_masks = (dev_priv->pro_group_a) ?
+			via_pro_group_a_irqs : via_unichrome_irqs;
+		dev_priv->num_irqs = (dev_priv->pro_group_a) ?
+			via_num_pro_group_a : via_num_unichrome;
+		
+		for(i=0; i < dev_priv->num_irqs; ++i) {
+			atomic_set(&cur_irq->irq_received, 0);
+			cur_irq->enable_mask = dev_priv->irq_masks[i][0]; 
+			cur_irq->pending_mask = dev_priv->irq_masks[i][1];
+			DRM_INIT_WAITQUEUE( &cur_irq->irq_queue );
+			dev_priv->irq_enable_mask |= cur_irq->enable_mask;
+			dev_priv->irq_pending_mask |= cur_irq->pending_mask;
+			cur_irq++;
+			
+			DRM_DEBUG("Initializing IRQ %d\n", i);
+		}
+			
+	        dev_priv->last_vblank_valid = 0;
+
+		// Clear VSync interrupt regs
+		status = VIA_READ(VIA_REG_INTERRUPT);
+		VIA_WRITE(VIA_REG_INTERRUPT, status & 
+			  ~(dev_priv->irq_enable_mask));
+		
+		/* Clear bits if they're already high */
+		viadrv_acknowledge_irqs(dev_priv);
+	}
+}
+
+void via_driver_irq_postinstall(drm_device_t * dev)
+{
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	u32 status;
+
+	DRM_DEBUG("via_driver_irq_postinstall\n");
+	if (dev_priv) {
+		status = VIA_READ(VIA_REG_INTERRUPT);
+		VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
+			  | dev_priv->irq_enable_mask);
+
+		/* Some magic, oh for some data sheets ! */
+
+		VIA_WRITE8(0x83d4, 0x11);
+		VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
+		
+	}
+}
+
+void via_driver_irq_uninstall(drm_device_t * dev)
+{
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	u32 status;
+
+	DRM_DEBUG("driver_irq_uninstall)\n");
+	if (dev_priv) {
+
+		/* Some more magic, oh for some data sheets ! */
+
+		VIA_WRITE8(0x83d4, 0x11);
+		VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) & ~0x30);
+
+		status = VIA_READ(VIA_REG_INTERRUPT);
+		VIA_WRITE(VIA_REG_INTERRUPT, status & 
+			  ~(VIA_IRQ_VBLANK_ENABLE | dev_priv->irq_enable_mask));
+	}
+}
+
+int via_wait_irq(DRM_IOCTL_ARGS)
+{
+	drm_file_t *priv = filp->private_data;
+	drm_device_t *dev = priv->head->dev;
+	drm_via_irqwait_t __user *argp = (void __user *)data;
+	drm_via_irqwait_t irqwait;
+	struct timeval now;
+	int ret = 0;
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+	int force_sequence;
+
+	if (!dev->irq)
+		return DRM_ERR(EINVAL);
+
+	DRM_COPY_FROM_USER_IOCTL(irqwait, argp, sizeof(irqwait));
+	if (irqwait.request.irq >= dev_priv->num_irqs) {
+		DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__, 
+			  irqwait.request.irq);
+		return DRM_ERR(EINVAL);
+	}
+
+	cur_irq += irqwait.request.irq;
+
+	switch (irqwait.request.type & ~VIA_IRQ_FLAGS_MASK) {
+	case VIA_IRQ_RELATIVE:
+		irqwait.request.sequence += atomic_read(&cur_irq->irq_received);
+		irqwait.request.type &= ~_DRM_VBLANK_RELATIVE;
+	case VIA_IRQ_ABSOLUTE:
+		break;
+	default:
+		return DRM_ERR(EINVAL);
+	}
+
+	if (irqwait.request.type & VIA_IRQ_SIGNAL) {
+		DRM_ERROR("%s Signals on Via IRQs not implemented yet.\n", 
+			  __FUNCTION__);
+		return DRM_ERR(EINVAL);
+	}
+
+	force_sequence = (irqwait.request.type & VIA_IRQ_FORCE_SEQUENCE);
+
+	ret = via_driver_irq_wait(dev, irqwait.request.irq, force_sequence,
+				  &irqwait.request.sequence);
+	do_gettimeofday(&now);
+	irqwait.reply.tval_sec = now.tv_sec;
+	irqwait.reply.tval_usec = now.tv_usec;
+
+	DRM_COPY_TO_USER_IOCTL(argp, irqwait, sizeof(irqwait));
+
+	return ret;
+}
diff --git a/drivers/char/drm/via_map.c b/drivers/char/drm/via_map.c
new file mode 100644
index 0000000..bb17113
--- /dev/null
+++ b/drivers/char/drm/via_map.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include "drmP.h"
+#include "via_drm.h"
+#include "via_drv.h"
+
+static int via_do_init_map(drm_device_t * dev, drm_via_init_t * init)
+{
+	drm_via_private_t *dev_priv;
+
+	DRM_DEBUG("%s\n", __FUNCTION__);
+
+	dev_priv = drm_alloc(sizeof(drm_via_private_t), DRM_MEM_DRIVER);
+	if (dev_priv == NULL)
+		return -ENOMEM;
+
+	memset(dev_priv, 0, sizeof(drm_via_private_t));
+
+	DRM_GETSAREA();
+	if (!dev_priv->sarea) {
+		DRM_ERROR("could not find sarea!\n");
+		dev->dev_private = (void *)dev_priv;
+		via_do_cleanup_map(dev);
+		return -EINVAL;
+	}
+
+	dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
+	if (!dev_priv->fb) {
+		DRM_ERROR("could not find framebuffer!\n");
+		dev->dev_private = (void *)dev_priv;
+		via_do_cleanup_map(dev);
+		return -EINVAL;
+	}
+	dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
+	if (!dev_priv->mmio) {
+		DRM_ERROR("could not find mmio region!\n");
+		dev->dev_private = (void *)dev_priv;
+		via_do_cleanup_map(dev);
+		return -EINVAL;
+	}
+
+	dev_priv->sarea_priv =
+	    (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
+				 init->sarea_priv_offset);
+
+	dev_priv->agpAddr = init->agpAddr;
+
+	via_init_futex( dev_priv );
+	dev_priv->pro_group_a = (dev->pdev->device == 0x3118);
+
+	dev->dev_private = (void *)dev_priv;
+	return 0;
+}
+
+int via_do_cleanup_map(drm_device_t * dev)
+{
+	if (dev->dev_private) {
+
+		drm_via_private_t *dev_priv = dev->dev_private;
+
+		via_dma_cleanup(dev);
+
+		drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
+		dev->dev_private = NULL;
+	}
+
+	return 0;
+}
+
+int via_map_init(DRM_IOCTL_ARGS)
+{
+	DRM_DEVICE;
+	drm_via_init_t init;
+
+	DRM_DEBUG("%s\n", __FUNCTION__);
+
+	DRM_COPY_FROM_USER_IOCTL(init, (drm_via_init_t __user *) data,
+				 sizeof(init));
+
+	switch (init.func) {
+	case VIA_INIT_MAP:
+		return via_do_init_map(dev, &init);
+	case VIA_CLEANUP_MAP:
+		return via_do_cleanup_map(dev);
+	}
+
+	return -EINVAL;
+}
+
+
diff --git a/drivers/char/drm/via_mm.c b/drivers/char/drm/via_mm.c
new file mode 100644
index 0000000..13921f3
--- /dev/null
+++ b/drivers/char/drm/via_mm.c
@@ -0,0 +1,361 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include "drmP.h"
+#include "via_drm.h"
+#include "via_drv.h"
+#include "via_ds.h"
+#include "via_mm.h"
+
+#define MAX_CONTEXT 100
+
+typedef struct {
+	int used;
+	int context;
+	set_t *sets[2];		/* 0 for frame buffer, 1 for AGP , 2 for System */
+} via_context_t;
+
+static via_context_t global_ppriv[MAX_CONTEXT];
+
+static int via_agp_alloc(drm_via_mem_t * mem);
+static int via_agp_free(drm_via_mem_t * mem);
+static int via_fb_alloc(drm_via_mem_t * mem);
+static int via_fb_free(drm_via_mem_t * mem);
+
+static int add_alloc_set(int context, int type, unsigned int val)
+{
+	int i, retval = 0;
+
+	for (i = 0; i < MAX_CONTEXT; i++) {
+		if (global_ppriv[i].used && global_ppriv[i].context == context) {
+			retval = via_setAdd(global_ppriv[i].sets[type], val);
+			break;
+		}
+	}
+
+	return retval;
+}
+
+static int del_alloc_set(int context, int type, unsigned int val)
+{
+	int i, retval = 0;
+
+	for (i = 0; i < MAX_CONTEXT; i++)
+		if (global_ppriv[i].used && global_ppriv[i].context == context) {
+			retval = via_setDel(global_ppriv[i].sets[type], val);
+			break;
+		}
+
+	return retval;
+}
+
+/* agp memory management */
+static memHeap_t *AgpHeap = NULL;
+
+int via_agp_init(DRM_IOCTL_ARGS)
+{
+	drm_via_agp_t agp;
+
+	DRM_COPY_FROM_USER_IOCTL(agp, (drm_via_agp_t __user *) data,
+				 sizeof(agp));
+
+	AgpHeap = via_mmInit(agp.offset, agp.size);
+
+	DRM_DEBUG("offset = %lu, size = %lu", (unsigned long)agp.offset, (unsigned long)agp.size);
+
+	return 0;
+}
+
+/* fb memory management */
+static memHeap_t *FBHeap = NULL;
+
+int via_fb_init(DRM_IOCTL_ARGS)
+{
+	drm_via_fb_t fb;
+
+	DRM_COPY_FROM_USER_IOCTL(fb, (drm_via_fb_t __user *) data, sizeof(fb));
+
+	FBHeap = via_mmInit(fb.offset, fb.size);
+
+	DRM_DEBUG("offset = %lu, size = %lu", (unsigned long)fb.offset, (unsigned long)fb.size);
+
+	return 0;
+}
+
+int via_init_context(struct drm_device *dev, int context)
+{
+	int i;
+
+	for (i = 0; i < MAX_CONTEXT; i++)
+		if (global_ppriv[i].used &&
+		    (global_ppriv[i].context == context))
+			break;
+
+	if (i >= MAX_CONTEXT) {
+		for (i = 0; i < MAX_CONTEXT; i++) {
+			if (!global_ppriv[i].used) {
+				global_ppriv[i].context = context;
+				global_ppriv[i].used = 1;
+				global_ppriv[i].sets[0] = via_setInit();
+				global_ppriv[i].sets[1] = via_setInit();
+				DRM_DEBUG("init allocation set, socket=%d,"
+					  " context = %d\n", i, context);
+				break;
+			}
+		}
+
+		if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) ||
+		    (global_ppriv[i].sets[1] == NULL)) {
+			return 0;
+		}
+	}
+
+	return 1;
+}
+
+int via_final_context(struct drm_device *dev, int context)
+{	
+        int i;
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+
+	for (i = 0; i < MAX_CONTEXT; i++)
+		if (global_ppriv[i].used &&
+		    (global_ppriv[i].context == context))
+			break;
+
+	if (i < MAX_CONTEXT) {
+		set_t *set;
+		ITEM_TYPE item;
+		int retval;
+
+		DRM_DEBUG("find socket %d, context = %d\n", i, context);
+
+		/* Video Memory */
+		set = global_ppriv[i].sets[0];
+		retval = via_setFirst(set, &item);
+		while (retval) {
+			DRM_DEBUG("free video memory 0x%lx\n", item);
+			via_mmFreeMem((PMemBlock) item);
+			retval = via_setNext(set, &item);
+		}
+		via_setDestroy(set);
+
+		/* AGP Memory */
+		set = global_ppriv[i].sets[1];
+		retval = via_setFirst(set, &item);
+		while (retval) {
+			DRM_DEBUG("free agp memory 0x%lx\n", item);
+			via_mmFreeMem((PMemBlock) item);
+			retval = via_setNext(set, &item);
+		}
+		via_setDestroy(set);
+		global_ppriv[i].used = 0;
+	}
+	via_release_futex(dev_priv, context); 
+	
+			
+#if defined(__linux__)
+	/* Linux specific until context tracking code gets ported to BSD */
+	/* Last context, perform cleanup */
+	if (dev->ctx_count == 1 && dev->dev_private) {
+	        DRM_DEBUG("Last Context\n");
+		if (dev->irq)
+			drm_irq_uninstall(dev);
+
+		via_cleanup_futex(dev_priv);
+		via_do_cleanup_map(dev);
+	}
+#endif
+
+	return 1;
+}
+
+int via_mem_alloc(DRM_IOCTL_ARGS)
+{
+	drm_via_mem_t mem;
+
+	DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t __user *) data,
+				 sizeof(mem));
+
+	switch (mem.type) {
+	case VIDEO:
+		if (via_fb_alloc(&mem) < 0)
+			return -EFAULT;
+		DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem,
+				       sizeof(mem));
+		return 0;
+	case AGP:
+		if (via_agp_alloc(&mem) < 0)
+			return -EFAULT;
+		DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem,
+				       sizeof(mem));
+		return 0;
+	}
+
+	return -EFAULT;
+}
+
+static int via_fb_alloc(drm_via_mem_t * mem)
+{
+	drm_via_mm_t fb;
+	PMemBlock block;
+	int retval = 0;
+
+	if (!FBHeap)
+		return -1;
+
+	fb.size = mem->size;
+	fb.context = mem->context;
+
+	block = via_mmAllocMem(FBHeap, fb.size, 5, 0);
+	if (block) {
+		fb.offset = block->ofs;
+		fb.free = (unsigned long)block;
+		if (!add_alloc_set(fb.context, VIDEO, fb.free)) {
+			DRM_DEBUG("adding to allocation set fails\n");
+			via_mmFreeMem((PMemBlock) fb.free);
+			retval = -1;
+		}
+	} else {
+		fb.offset = 0;
+		fb.size = 0;
+		fb.free = 0;
+		retval = -1;
+	}
+
+	mem->offset = fb.offset;
+	mem->index = fb.free;
+
+	DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size,
+		  (int)fb.offset);
+
+	return retval;
+}
+
+static int via_agp_alloc(drm_via_mem_t * mem)
+{
+	drm_via_mm_t agp;
+	PMemBlock block;
+	int retval = 0;
+
+	if (!AgpHeap)
+		return -1;
+
+	agp.size = mem->size;
+	agp.context = mem->context;
+
+	block = via_mmAllocMem(AgpHeap, agp.size, 5, 0);
+	if (block) {
+		agp.offset = block->ofs;
+		agp.free = (unsigned long)block;
+		if (!add_alloc_set(agp.context, AGP, agp.free)) {
+			DRM_DEBUG("adding to allocation set fails\n");
+			via_mmFreeMem((PMemBlock) agp.free);
+			retval = -1;
+		}
+	} else {
+		agp.offset = 0;
+		agp.size = 0;
+		agp.free = 0;
+	}
+
+	mem->offset = agp.offset;
+	mem->index = agp.free;
+
+	DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size,
+		  (unsigned int)agp.offset);
+	return retval;
+}
+
+int via_mem_free(DRM_IOCTL_ARGS)
+{
+	drm_via_mem_t mem;
+
+	DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t __user *) data,
+				 sizeof(mem));
+
+	switch (mem.type) {
+
+	case VIDEO:
+		if (via_fb_free(&mem) == 0)
+			return 0;
+		break;
+	case AGP:
+		if (via_agp_free(&mem) == 0)
+			return 0;
+		break;
+	}
+
+	return -EFAULT;
+}
+
+static int via_fb_free(drm_via_mem_t * mem)
+{
+	drm_via_mm_t fb;
+	int retval = 0;
+
+	if (!FBHeap) {
+		return -1;
+	}
+
+	fb.free = mem->index;
+	fb.context = mem->context;
+
+	if (!fb.free) {
+		return -1;
+
+	}
+
+	via_mmFreeMem((PMemBlock) fb.free);
+
+	if (!del_alloc_set(fb.context, VIDEO, fb.free)) {
+		retval = -1;
+	}
+
+	DRM_DEBUG("free fb, free = %ld\n", fb.free);
+
+	return retval;
+}
+
+static int via_agp_free(drm_via_mem_t * mem)
+{
+	drm_via_mm_t agp;
+
+	int retval = 0;
+
+	agp.free = mem->index;
+	agp.context = mem->context;
+
+	if (!agp.free)
+		return -1;
+
+	via_mmFreeMem((PMemBlock) agp.free);
+
+	if (!del_alloc_set(agp.context, AGP, agp.free)) {
+		retval = -1;
+	}
+
+	DRM_DEBUG("free agp, free = %ld\n", agp.free);
+
+	return retval;
+}
diff --git a/drivers/char/drm/via_mm.h b/drivers/char/drm/via_mm.h
new file mode 100644
index 0000000..d57efda
--- /dev/null
+++ b/drivers/char/drm/via_mm.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _via_drm_mm_h_
+#define _via_drm_mm_h_
+
+typedef struct {
+	unsigned int context;
+	unsigned int size;
+	unsigned long offset;
+	unsigned long free;
+} drm_via_mm_t;
+
+typedef struct {
+	unsigned int size;
+	unsigned long handle;
+	void *virtual;
+} drm_via_dma_t;
+
+#endif
diff --git a/drivers/char/drm/via_verifier.c b/drivers/char/drm/via_verifier.c
new file mode 100644
index 0000000..07923b0
--- /dev/null
+++ b/drivers/char/drm/via_verifier.c
@@ -0,0 +1,1061 @@
+/*
+ * Copyright 2004 The Unichrome Project. All Rights Reserved.
+ * Copyright 2005 Thomas Hellstrom. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S), AND/OR THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Thomas Hellstrom 2004, 2005.
+ * This code was written using docs obtained under NDA from VIA Inc.
+ *
+ * Don't run this code directly on an AGP buffer. Due to cache problems it will
+ * be very slow.
+ */
+
+
+#include "via_3d_reg.h"
+#include "drmP.h"
+#include "drm.h"
+#include "via_drm.h"
+#include "via_verifier.h"
+#include "via_drv.h"
+
+typedef enum{
+	state_command,
+	state_header2,
+	state_header1,
+	state_vheader5,
+	state_vheader6,
+	state_error
+} verifier_state_t;
+
+
+typedef enum{
+	no_check = 0,
+	check_for_header2,
+	check_for_header1,
+	check_for_header2_err,
+	check_for_header1_err,
+	check_for_fire,
+	check_z_buffer_addr0,
+	check_z_buffer_addr1,
+	check_z_buffer_addr_mode,
+	check_destination_addr0,
+	check_destination_addr1,
+	check_destination_addr_mode,
+	check_for_dummy,
+	check_for_dd,
+	check_texture_addr0,
+	check_texture_addr1,
+	check_texture_addr2,
+	check_texture_addr3,
+	check_texture_addr4,
+	check_texture_addr5,
+	check_texture_addr6,
+	check_texture_addr7,
+	check_texture_addr8,
+	check_texture_addr_mode,
+	check_for_vertex_count,
+	check_number_texunits,
+	forbidden_command
+}hazard_t;
+
+/*
+ * Associates each hazard above with a possible multi-command
+ * sequence. For example an address that is split over multiple
+ * commands and that needs to be checked at the first command 
+ * that does not include any part of the address.
+ */
+
+static drm_via_sequence_t seqs[] = { 
+	no_sequence,
+	no_sequence,
+	no_sequence,
+	no_sequence,
+	no_sequence,
+	no_sequence,
+	z_address,
+	z_address,
+	z_address,
+	dest_address,
+	dest_address,
+	dest_address,
+	no_sequence,
+	no_sequence,
+	tex_address,
+	tex_address,
+	tex_address,
+	tex_address,
+	tex_address,
+	tex_address,
+	tex_address,
+	tex_address,
+	tex_address,
+	tex_address,
+	no_sequence
+};
+    
+typedef struct{
+	unsigned int code;
+	hazard_t hz;
+} hz_init_t;
+
+
+
+static hz_init_t init_table1[] = {
+	{0xf2, check_for_header2_err},
+	{0xf0, check_for_header1_err},
+	{0xee, check_for_fire},
+	{0xcc, check_for_dummy},
+	{0xdd, check_for_dd},
+	{0x00, no_check},
+	{0x10, check_z_buffer_addr0},
+	{0x11, check_z_buffer_addr1},
+	{0x12, check_z_buffer_addr_mode},
+	{0x13, no_check},
+	{0x14, no_check},
+	{0x15, no_check},
+	{0x23, no_check},
+	{0x24, no_check},
+	{0x33, no_check},
+	{0x34, no_check},
+	{0x35, no_check},
+	{0x36, no_check},
+	{0x37, no_check},
+	{0x38, no_check},
+	{0x39, no_check},
+	{0x3A, no_check},
+	{0x3B, no_check},
+	{0x3C, no_check},
+	{0x3D, no_check},
+	{0x3E, no_check},
+	{0x40, check_destination_addr0},
+	{0x41, check_destination_addr1},
+	{0x42, check_destination_addr_mode},
+	{0x43, no_check},
+	{0x44, no_check},
+	{0x50, no_check},
+	{0x51, no_check},
+	{0x52, no_check},
+	{0x53, no_check},
+	{0x54, no_check},
+	{0x55, no_check},
+	{0x56, no_check},
+	{0x57, no_check},
+	{0x58, no_check},
+	{0x70, no_check},
+	{0x71, no_check},
+	{0x78, no_check},
+	{0x79, no_check},
+	{0x7A, no_check},
+	{0x7B, no_check},
+	{0x7C, no_check},
+	{0x7D, check_for_vertex_count}
+};
+
+   
+		       
+static hz_init_t init_table2[] = {
+	{0xf2, check_for_header2_err},
+	{0xf0, check_for_header1_err},
+	{0xee, check_for_fire},
+	{0xcc, check_for_dummy},
+	{0x00, check_texture_addr0},
+	{0x01, check_texture_addr0},
+	{0x02, check_texture_addr0},
+	{0x03, check_texture_addr0},
+	{0x04, check_texture_addr0},
+	{0x05, check_texture_addr0},
+	{0x06, check_texture_addr0},
+	{0x07, check_texture_addr0},
+	{0x08, check_texture_addr0},
+	{0x09, check_texture_addr0},
+	{0x20, check_texture_addr1},
+	{0x21, check_texture_addr1},
+	{0x22, check_texture_addr1},
+	{0x23, check_texture_addr4},
+	{0x2B, check_texture_addr3},
+	{0x2C, check_texture_addr3},
+	{0x2D, check_texture_addr3},
+	{0x2E, check_texture_addr3},
+	{0x2F, check_texture_addr3},
+	{0x30, check_texture_addr3},
+	{0x31, check_texture_addr3},
+	{0x32, check_texture_addr3},
+	{0x33, check_texture_addr3},
+	{0x34, check_texture_addr3},
+	{0x4B, check_texture_addr5},
+	{0x4C, check_texture_addr6},
+	{0x51, check_texture_addr7},
+	{0x52, check_texture_addr8},
+	{0x77, check_texture_addr2},
+	{0x78, no_check},
+	{0x79, no_check},
+	{0x7A, no_check},
+	{0x7B, check_texture_addr_mode},
+	{0x7C, no_check},
+	{0x7D, no_check},
+	{0x7E, no_check},
+	{0x7F, no_check},
+	{0x80, no_check},
+	{0x81, no_check},
+	{0x82, no_check},
+	{0x83, no_check},
+	{0x85, no_check},
+	{0x86, no_check},
+	{0x87, no_check},
+	{0x88, no_check},
+	{0x89, no_check},
+	{0x8A, no_check},
+	{0x90, no_check},
+	{0x91, no_check},
+	{0x92, no_check},
+	{0x93, no_check}
+};
+
+static hz_init_t init_table3[] = {
+	{0xf2, check_for_header2_err},
+	{0xf0, check_for_header1_err},
+	{0xcc, check_for_dummy},
+	{0x00, check_number_texunits}
+};
+   
+		       
+static hazard_t table1[256]; 
+static hazard_t table2[256]; 
+static hazard_t table3[256]; 
+
+
+
+static __inline__ int
+eat_words(const uint32_t **buf, const uint32_t *buf_end, unsigned num_words)
+{
+	if ((*buf - buf_end) >= num_words) {
+		*buf += num_words;
+		return 0;
+	} 
+	DRM_ERROR("Illegal termination of DMA command buffer\n");
+	return 1;
+}
+
+
+/*
+ * Partially stolen from drm_memory.h
+ */
+
+static __inline__ drm_map_t *
+via_drm_lookup_agp_map (drm_via_state_t *seq, unsigned long offset, unsigned long size, 
+			drm_device_t *dev)
+{
+	struct list_head *list;
+	drm_map_list_t *r_list;
+	drm_map_t *map = seq->map_cache;
+
+	if (map && map->offset <= offset && (offset + size) <= (map->offset + map->size)) {
+		return map;
+	}
+		
+	list_for_each(list, &dev->maplist->head) {
+		r_list = (drm_map_list_t *) list;
+		map = r_list->map;
+		if (!map)
+			continue;
+		if (map->offset <= offset && (offset + size) <= (map->offset + map->size) && 
+		    !(map->flags & _DRM_RESTRICTED) && (map->type == _DRM_AGP)) {
+			seq->map_cache = map;
+			return map;
+		}
+	}
+	return NULL;
+}
+
+
+/*
+ * Require that all AGP texture levels reside in the same AGP map which should 
+ * be mappable by the client. This is not a big restriction.
+ * FIXME: To actually enforce this security policy strictly, drm_rmmap 
+ * would have to wait for dma quiescent before removing an AGP map. 
+ * The via_drm_lookup_agp_map call in reality seems to take
+ * very little CPU time.
+ */
+
+
+static __inline__ int
+finish_current_sequence(drm_via_state_t *cur_seq) 
+{
+	switch(cur_seq->unfinished) {
+	case z_address:
+		DRM_DEBUG("Z Buffer start address is 0x%x\n", cur_seq->z_addr);
+		break;
+	case dest_address:
+		DRM_DEBUG("Destination start address is 0x%x\n", cur_seq->d_addr);
+		break;
+	case tex_address:
+		if (cur_seq->agp_texture) {			 
+			unsigned start = cur_seq->tex_level_lo[cur_seq->texture];
+			unsigned end = cur_seq->tex_level_hi[cur_seq->texture];
+			unsigned long lo=~0, hi=0, tmp;
+			uint32_t *addr, *pitch, *height, tex;
+			unsigned i;
+
+			if (end > 9) end = 9;
+			if (start > 9) start = 9;
+
+			addr =&(cur_seq->t_addr[tex = cur_seq->texture][start]);
+			pitch = &(cur_seq->pitch[tex][start]);
+			height = &(cur_seq->height[tex][start]);
+
+			for (i=start; i<= end; ++i) {
+				tmp = *addr++;
+				if (tmp < lo) lo = tmp;
+				tmp += (*height++ << *pitch++);
+				if (tmp > hi) hi = tmp;
+			}
+
+			if (! via_drm_lookup_agp_map (cur_seq, lo, hi - lo, cur_seq->dev)) {
+				DRM_ERROR("AGP texture is not in allowed map\n");
+				return 2;
+			}
+		}	
+		break;
+	default:
+		break;
+	}
+	cur_seq->unfinished = no_sequence;
+	return 0;
+}
+
+static __inline__ int 
+investigate_hazard( uint32_t cmd, hazard_t hz, drm_via_state_t *cur_seq)
+{
+	register uint32_t tmp, *tmp_addr;
+
+	if (cur_seq->unfinished && (cur_seq->unfinished != seqs[hz])) {
+		int ret;
+		if ((ret = finish_current_sequence(cur_seq))) return ret;
+	}
+
+	switch(hz) {
+	case check_for_header2:
+		if (cmd == HALCYON_HEADER2) return 1;
+		return 0;
+	case check_for_header1:
+		if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) return 1;
+		return 0;
+	case check_for_header2_err:
+		if (cmd == HALCYON_HEADER2) return 1;
+		DRM_ERROR("Illegal DMA HALCYON_HEADER2 command\n");
+		break;
+	case check_for_header1_err:
+		if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) return 1;
+		DRM_ERROR("Illegal DMA HALCYON_HEADER1 command\n");
+		break;
+	case check_for_fire:
+		if ((cmd & HALCYON_FIREMASK) == HALCYON_FIRECMD) return 1; 
+		DRM_ERROR("Illegal DMA HALCYON_FIRECMD command\n");
+		break;
+	case check_for_dummy:
+		if (HC_DUMMY == cmd) return 0;
+		DRM_ERROR("Illegal DMA HC_DUMMY command\n");
+		break;
+	case check_for_dd:
+		if (0xdddddddd == cmd) return 0;
+		DRM_ERROR("Illegal DMA 0xdddddddd command\n");
+		break;
+	case check_z_buffer_addr0:
+		cur_seq->unfinished = z_address;
+		cur_seq->z_addr = (cur_seq->z_addr & 0xFF000000) |
+			(cmd & 0x00FFFFFF);
+		return 0;
+	case check_z_buffer_addr1:
+		cur_seq->unfinished = z_address;
+		cur_seq->z_addr = (cur_seq->z_addr & 0x00FFFFFF) |
+			((cmd & 0xFF) << 24);
+		return 0;
+	case check_z_buffer_addr_mode:
+		cur_seq->unfinished = z_address;
+		if ((cmd & 0x0000C000) == 0) return 0;
+		DRM_ERROR("Attempt to place Z buffer in system memory\n");
+		return 2;
+	case check_destination_addr0:
+		cur_seq->unfinished = dest_address;
+		cur_seq->d_addr = (cur_seq->d_addr & 0xFF000000) |
+			(cmd & 0x00FFFFFF);
+		return 0;
+	case check_destination_addr1:
+		cur_seq->unfinished = dest_address;
+		cur_seq->d_addr = (cur_seq->d_addr & 0x00FFFFFF) |
+			((cmd & 0xFF) << 24);
+		return 0;
+	case check_destination_addr_mode:
+		cur_seq->unfinished = dest_address;
+		if ((cmd & 0x0000C000) == 0) return 0;
+		DRM_ERROR("Attempt to place 3D drawing buffer in system memory\n");
+		return 2;	    
+	case check_texture_addr0:
+		cur_seq->unfinished = tex_address;
+		tmp = (cmd >> 24);
+		tmp_addr = &cur_seq->t_addr[cur_seq->texture][tmp];
+		*tmp_addr = (*tmp_addr & 0xFF000000) | (cmd & 0x00FFFFFF);
+		return 0;
+	case check_texture_addr1:
+		cur_seq->unfinished = tex_address;
+		tmp = ((cmd >> 24) - 0x20);
+		tmp += tmp << 1;
+		tmp_addr = &cur_seq->t_addr[cur_seq->texture][tmp];
+		*tmp_addr = (*tmp_addr & 0x00FFFFFF) | ((cmd & 0xFF) << 24);
+		tmp_addr++;
+		*tmp_addr = (*tmp_addr & 0x00FFFFFF) | ((cmd & 0xFF00) << 16);
+		tmp_addr++;
+		*tmp_addr = (*tmp_addr & 0x00FFFFFF) | ((cmd & 0xFF0000) << 8);
+		return 0;
+	case check_texture_addr2:
+		cur_seq->unfinished = tex_address;
+		cur_seq->tex_level_lo[tmp = cur_seq->texture] = cmd & 0x3F;
+		cur_seq->tex_level_hi[tmp] = (cmd & 0xFC0) >> 6;
+		return 0;
+	case check_texture_addr3:
+		cur_seq->unfinished = tex_address;
+		tmp = ((cmd >> 24) - 0x2B);
+		cur_seq->pitch[cur_seq->texture][tmp] = (cmd & 0x00F00000) >> 20;
+		if (!tmp && (cmd & 0x000FFFFF)) {
+			DRM_ERROR("Unimplemented texture level 0 pitch mode.\n");
+			return 2;
+		}
+		return 0;
+	case check_texture_addr4:
+		cur_seq->unfinished = tex_address;
+		tmp_addr = &cur_seq->t_addr[cur_seq->texture][9];
+		*tmp_addr = (*tmp_addr & 0x00FFFFFF) | ((cmd & 0xFF) << 24);
+		return 0;
+	case check_texture_addr5:
+	case check_texture_addr6:
+		cur_seq->unfinished = tex_address;
+		/*
+		 * Texture width. We don't care since we have the pitch.
+		 */  
+		return 0;
+	case check_texture_addr7:
+		cur_seq->unfinished = tex_address;
+		tmp_addr = &(cur_seq->height[cur_seq->texture][0]);
+		tmp_addr[5] = 1 << ((cmd & 0x00F00000) >> 20);
+		tmp_addr[4] = 1 << ((cmd & 0x000F0000) >> 16);
+		tmp_addr[3] = 1 << ((cmd & 0x0000F000) >> 12);
+		tmp_addr[2] = 1 << ((cmd & 0x00000F00) >> 8);
+		tmp_addr[1] = 1 << ((cmd & 0x000000F0) >> 4);
+		tmp_addr[0] = 1 << (cmd & 0x0000000F);
+		return 0;
+	case check_texture_addr8:
+		cur_seq->unfinished = tex_address;
+		tmp_addr = &(cur_seq->height[cur_seq->texture][0]);
+		tmp_addr[9] = 1 << ((cmd & 0x0000F000) >> 12);
+	        tmp_addr[8] = 1 << ((cmd & 0x00000F00) >> 8);
+		tmp_addr[7] = 1 << ((cmd & 0x000000F0) >> 4);
+		tmp_addr[6] = 1 << (cmd & 0x0000000F);
+		return 0;
+	case check_texture_addr_mode:
+		cur_seq->unfinished = tex_address;
+		if ( 2 == (tmp = cmd & 0x00000003)) {
+			DRM_ERROR("Attempt to fetch texture from system memory.\n"); 
+			return 2;
+		}
+		cur_seq->agp_texture = (tmp == 3);
+		cur_seq->tex_palette_size[cur_seq->texture] = 
+			(cmd >> 16) & 0x000000007;
+		return 0;
+	case check_for_vertex_count:
+		cur_seq->vertex_count = cmd & 0x0000FFFF;
+		return 0;
+	case check_number_texunits:
+	        cur_seq->multitex = (cmd >> 3) & 1;
+		return 0;
+	default:
+		DRM_ERROR("Illegal DMA data: 0x%x\n", cmd);
+		return 2;
+	}
+	return 2;
+}
+
+
+static __inline__ int
+via_check_prim_list(uint32_t const **buffer, const uint32_t *buf_end,
+		    drm_via_state_t *cur_seq)
+{
+	drm_via_private_t *dev_priv = (drm_via_private_t *) cur_seq->dev->dev_private;
+	uint32_t a_fire, bcmd , dw_count;
+	int ret = 0;
+	int have_fire;
+	const uint32_t *buf = *buffer;
+
+	while(buf < buf_end) {
+	        have_fire = 0;
+		if ((buf_end - buf) < 2) {
+			DRM_ERROR("Unexpected termination of primitive list.\n");
+			ret = 1;
+			break;
+		}
+		if ((*buf & HC_ACMD_MASK) != HC_ACMD_HCmdB) break;
+		bcmd = *buf++;
+		if ((*buf & HC_ACMD_MASK) != HC_ACMD_HCmdA) {
+			DRM_ERROR("Expected Vertex List A command, got 0x%x\n",
+				  *buf);
+			ret = 1;
+			break;
+		}
+		a_fire = *buf++ | HC_HPLEND_MASK | HC_HPMValidN_MASK | HC_HE3Fire_MASK;	
+	
+		/*
+		 * How many dwords per vertex ?
+		 */ 
+		
+		if (cur_seq->agp && ((bcmd & (0xF << 11)) == 0)) {
+			DRM_ERROR("Illegal B command vertex data for AGP.\n");
+			ret = 1;
+			break;
+		} 
+
+		dw_count = 0;
+		if (bcmd & (1 << 7)) dw_count += (cur_seq->multitex) ? 2:1;
+		if (bcmd & (1 << 8)) dw_count += (cur_seq->multitex) ? 2:1;
+		if (bcmd & (1 << 9)) dw_count++;
+		if (bcmd & (1 << 10)) dw_count++;
+		if (bcmd & (1 << 11)) dw_count++;
+		if (bcmd & (1 << 12)) dw_count++;
+		if (bcmd & (1 << 13)) dw_count++;
+		if (bcmd & (1 << 14)) dw_count++;
+
+		while(buf < buf_end) {
+			if (*buf == a_fire) {
+				if (dev_priv->num_fire_offsets >= VIA_FIRE_BUF_SIZE) {
+					DRM_ERROR("Fire offset buffer full.\n");
+					ret = 1;
+					break;
+				}
+				dev_priv->fire_offsets[dev_priv->num_fire_offsets++] = buf;
+			        have_fire = 1;
+				buf++;
+				if (buf < buf_end && *buf == a_fire) 
+					buf++;
+				break;
+			}
+			if ((*buf == HALCYON_HEADER2) || 
+			    ((*buf & HALCYON_FIREMASK) == HALCYON_FIRECMD)) {
+				DRM_ERROR("Missing Vertex Fire command, "
+					  "Stray Vertex Fire command  or verifier "
+					  "lost sync.\n");
+				ret = 1;
+				break;
+			}
+			if ((ret = eat_words(&buf, buf_end, dw_count)))
+				break;
+		}
+		if (buf >= buf_end && !have_fire) {
+			DRM_ERROR("Missing Vertex Fire command or verifier "
+				  "lost sync.\n");
+			ret = 1;
+			break;
+		}
+		if (cur_seq->agp && ((buf - cur_seq->buf_start) & 0x01)) {
+			DRM_ERROR("AGP Primitive list end misaligned.\n");
+			ret = 1;
+			break;
+		}
+	} 
+	*buffer = buf;
+	return ret;
+}
+
+
+		       
+
+
+static __inline__ verifier_state_t
+via_check_header2( uint32_t const **buffer, const uint32_t *buf_end, 
+		   drm_via_state_t *hc_state)
+{
+	uint32_t cmd;
+	int hz_mode;
+	hazard_t hz;
+	const uint32_t *buf = *buffer;
+	const hazard_t *hz_table;
+
+
+	if ((buf_end - buf) < 2) {
+		DRM_ERROR("Illegal termination of DMA HALCYON_HEADER2 sequence.\n");
+		return state_error;
+	}
+	buf++;
+	cmd = (*buf++ & 0xFFFF0000) >> 16;
+
+	switch(cmd) {
+	case HC_ParaType_CmdVdata:
+		if (via_check_prim_list(&buf, buf_end, hc_state )) 
+			return state_error;
+		*buffer = buf;
+		return state_command;
+	case HC_ParaType_NotTex:
+		hz_table = table1;
+		break;
+	case HC_ParaType_Tex:
+		hc_state->texture = 0;
+		hz_table = table2;
+		break;
+	case (HC_ParaType_Tex | (HC_SubType_Tex1 << 8)):
+		hc_state->texture = 1;
+		hz_table = table2;
+		break;
+	case (HC_ParaType_Tex | (HC_SubType_TexGeneral << 8)):
+		hz_table = table3;
+		break;
+	case HC_ParaType_Auto:
+		if (eat_words(&buf, buf_end, 2))
+			return state_error;
+		*buffer = buf;
+		return state_command;
+	case (HC_ParaType_Palette | (HC_SubType_Stipple << 8)):
+		if (eat_words(&buf, buf_end, 32))
+			return state_error;
+		*buffer = buf;
+		return state_command;
+	case (HC_ParaType_Palette | (HC_SubType_TexPalette0 << 8)):
+	case (HC_ParaType_Palette | (HC_SubType_TexPalette1 << 8)):
+		DRM_ERROR("Texture palettes are rejected because of "
+			  "lack of info how to determine their size.\n");
+		return state_error;
+	case (HC_ParaType_Palette | (HC_SubType_FogTable << 8)):
+		DRM_ERROR("Fog factor palettes are rejected because of "
+			  "lack of info how to determine their size.\n");
+		return state_error;
+	default:
+
+		/*
+		 * There are some unimplemented HC_ParaTypes here, that
+		 * need to be implemented if the Mesa driver is extended.
+		 */
+
+		DRM_ERROR("Invalid or unimplemented HALCYON_HEADER2 "
+			  "DMA subcommand: 0x%x. Previous dword: 0x%x\n", 
+			  cmd, *(buf -2));
+		*buffer = buf;
+		return state_error;
+	}
+
+	while(buf < buf_end) {
+		cmd = *buf++;
+		if ((hz = hz_table[cmd >> 24])) {
+			if ((hz_mode = investigate_hazard(cmd, hz, hc_state))) {
+				if (hz_mode == 1) {
+					buf--;
+					break;
+				}
+				return state_error;
+			}
+		} else if (hc_state->unfinished && 
+			   finish_current_sequence(hc_state)) {
+			return state_error;
+		}
+	}
+	if (hc_state->unfinished && finish_current_sequence(hc_state)) {
+		return state_error;
+	}
+	*buffer = buf;
+	return state_command;
+}
+
+static __inline__ verifier_state_t
+via_parse_header2( drm_via_private_t *dev_priv, uint32_t const **buffer, const uint32_t *buf_end,
+		   int *fire_count)
+{
+	uint32_t cmd;
+	const uint32_t *buf = *buffer;
+	const uint32_t *next_fire; 
+	int burst = 0;
+
+	next_fire = dev_priv->fire_offsets[*fire_count];
+	buf++;
+	cmd = (*buf & 0xFFFF0000) >> 16;
+	VIA_WRITE(HC_REG_TRANS_SET + HC_REG_BASE, *buf++);
+	switch(cmd) {
+	case HC_ParaType_CmdVdata:
+		while ((buf < buf_end) &&
+		       (*fire_count < dev_priv->num_fire_offsets) && 
+		       (*buf & HC_ACMD_MASK) == HC_ACMD_HCmdB ) {
+			while(buf <= next_fire) {
+				VIA_WRITE(HC_REG_TRANS_SPACE + HC_REG_BASE + (burst & 63), *buf++);
+				burst += 4;
+			}
+			if ( ( buf < buf_end ) && ((*buf & HALCYON_FIREMASK) == HALCYON_FIRECMD))
+				buf++;
+
+			if (++(*fire_count) < dev_priv->num_fire_offsets) 
+				next_fire = dev_priv->fire_offsets[*fire_count];
+		}
+		break;
+	default:
+		while(buf < buf_end) {
+			
+			if ( *buf == HC_HEADER2 ||
+			     (*buf & HALCYON_HEADER1MASK) == HALCYON_HEADER1  ||
+			     (*buf & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5 ||
+			     (*buf & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6 ) break;
+			
+			VIA_WRITE(HC_REG_TRANS_SPACE + HC_REG_BASE + (burst & 63), *buf++);
+			burst +=4;
+		}
+	}
+	*buffer = buf;
+	return state_command;
+}
+
+
+
+static __inline__ int
+verify_mmio_address( uint32_t address)
+{
+	if ((address > 0x3FF) && (address < 0xC00 )) {
+		DRM_ERROR("Invalid VIDEO DMA command. "
+			  "Attempt to access 3D- or command burst area.\n");
+		return 1;
+	} else if ((address > 0xCFF) && (address < 0x1300)) {
+		DRM_ERROR("Invalid VIDEO DMA command. "
+			  "Attempt to access PCI DMA area.\n");
+		return 1;		
+	} else if (address > 0x13FF ) {
+		DRM_ERROR("Invalid VIDEO DMA command. "
+			  "Attempt to access VGA registers.\n");
+		return 1;
+	}
+	return 0;
+}
+
+static __inline__ int
+verify_video_tail( uint32_t const **buffer, const uint32_t *buf_end, uint32_t dwords) 
+{
+	const uint32_t *buf = *buffer;
+
+	if (buf_end - buf < dwords) {
+		DRM_ERROR("Illegal termination of video command.\n");
+		return 1;
+	}
+	while (dwords--) {
+		if (*buf++) {
+			DRM_ERROR("Illegal video command tail.\n");
+			return 1;
+		}
+	}
+	*buffer = buf;
+	return 0;
+}
+		
+
+static __inline__ verifier_state_t
+via_check_header1( uint32_t const **buffer, const uint32_t *buf_end )
+{
+	uint32_t cmd;
+	const uint32_t *buf = *buffer;
+	verifier_state_t ret = state_command;
+
+	while (buf < buf_end) {
+		cmd = *buf;
+		if ((cmd > ((0x3FF >> 2) | HALCYON_HEADER1)) &&
+		    (cmd < ((0xC00 >> 2) | HALCYON_HEADER1))) {			
+			if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1) 
+				break;
+			DRM_ERROR("Invalid HALCYON_HEADER1 command. "
+				  "Attempt to access 3D- or command burst area.\n");
+			ret = state_error;
+			break;
+		} else if (cmd > ((0xCFF >> 2) | HALCYON_HEADER1)) {
+			if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1) 
+				break;
+			DRM_ERROR("Invalid HALCYON_HEADER1 command. "
+				  "Attempt to access VGA registers.\n");
+			ret = state_error;
+			break;			
+		} else {			
+			buf += 2;
+		}
+	}
+	*buffer = buf;
+	return ret;
+}
+
+static __inline__ verifier_state_t
+via_parse_header1( drm_via_private_t *dev_priv, uint32_t const **buffer, const uint32_t *buf_end )
+{
+	register uint32_t cmd;
+	const uint32_t *buf = *buffer;
+
+	while (buf < buf_end) {
+		cmd = *buf;
+		if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1) break;
+		VIA_WRITE( (cmd & ~HALCYON_HEADER1MASK) << 2, *++buf); 
+		buf++;
+	}
+	*buffer = buf;
+	return state_command;
+}
+
+static __inline__ verifier_state_t
+via_check_vheader5( uint32_t const **buffer, const uint32_t *buf_end )
+{
+	uint32_t data;
+	const uint32_t *buf = *buffer;
+
+	if (buf_end - buf < 4) {
+		DRM_ERROR("Illegal termination of video header5 command\n");
+		return state_error;
+	}
+
+	data = *buf++ & ~VIA_VIDEOMASK;
+	if (verify_mmio_address(data))
+		return state_error;
+
+	data = *buf++;
+	if (*buf++ != 0x00F50000) {
+		DRM_ERROR("Illegal header5 header data\n");
+		return state_error;
+	}
+	if (*buf++ != 0x00000000) {
+		DRM_ERROR("Illegal header5 header data\n");
+		return state_error;
+	}
+	if (eat_words(&buf, buf_end, data)) 
+		return state_error;
+	if ((data & 3) && verify_video_tail(&buf, buf_end, 4 - (data & 3))) 
+		return state_error;
+	*buffer = buf;
+	return state_command;
+	       
+} 
+
+static __inline__ verifier_state_t
+via_parse_vheader5( drm_via_private_t *dev_priv, uint32_t const **buffer, const uint32_t *buf_end )
+{
+  uint32_t addr, count, i;
+	const uint32_t *buf = *buffer;
+	
+	addr = *buf++ & ~VIA_VIDEOMASK;
+	i = count = *buf;
+	buf += 3;
+	while(i--) {
+		VIA_WRITE(addr, *buf++);
+	}
+	if (count & 3) buf += 4 - (count & 3);
+	*buffer = buf;
+	return state_command;	       
+} 
+
+
+static __inline__ verifier_state_t
+via_check_vheader6( uint32_t const **buffer, const uint32_t *buf_end )
+{
+	uint32_t data;
+	const uint32_t *buf = *buffer;
+	uint32_t i;
+
+
+	if (buf_end - buf < 4) {
+		DRM_ERROR("Illegal termination of video header6 command\n");
+		return state_error;
+	}
+	buf++;
+	data = *buf++;
+	if (*buf++ != 0x00F60000) {
+		DRM_ERROR("Illegal header6 header data\n");
+		return state_error;
+	}
+	if (*buf++ != 0x00000000) {
+		DRM_ERROR("Illegal header6 header data\n");
+		return state_error;
+	}
+	if ((buf_end - buf) < (data << 1)) {
+		DRM_ERROR("Illegal termination of video header6 command\n");
+		return state_error;
+	}
+	for (i=0; i<data; ++i) {
+		if (verify_mmio_address(*buf++))
+			return state_error;
+		buf++;
+	}
+	data <<= 1;
+	if ((data & 3) && verify_video_tail(&buf, buf_end, 4 - (data & 3)))
+		return state_error;
+	*buffer = buf;
+	return state_command;
+} 
+
+static __inline__ verifier_state_t
+via_parse_vheader6( drm_via_private_t *dev_priv, uint32_t const **buffer, const uint32_t *buf_end )
+{
+
+  uint32_t addr, count, i;
+	const uint32_t *buf = *buffer;
+
+	i = count = *++buf;
+	buf += 3;
+	while(i--) {
+		addr = *buf++;
+		VIA_WRITE(addr, *buf++);
+	}
+	count <<= 1;
+	if (count & 3) buf += 4 - (count & 3);
+	*buffer = buf;
+	return state_command;
+} 
+
+
+
+int 
+via_verify_command_stream(const uint32_t * buf, unsigned int size, drm_device_t *dev,
+			  int agp)
+{
+
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	drm_via_state_t *hc_state = &dev_priv->hc_state;
+	drm_via_state_t saved_state = *hc_state;
+	uint32_t cmd;
+	const uint32_t *buf_end = buf + ( size >> 2 );
+	verifier_state_t state = state_command;
+	int pro_group_a = dev_priv->pro_group_a;
+	
+	hc_state->dev = dev;
+	hc_state->unfinished = no_sequence;
+	hc_state->map_cache = NULL;
+	hc_state->agp = agp;
+	hc_state->buf_start = buf;
+	dev_priv->num_fire_offsets = 0;
+
+	while (buf < buf_end) {
+
+		switch (state) {
+		case state_header2:
+		  state = via_check_header2( &buf, buf_end, hc_state );
+			break;
+		case state_header1:
+			state = via_check_header1( &buf, buf_end );
+			break;
+		case state_vheader5:
+			state = via_check_vheader5( &buf, buf_end );
+			break;
+		case state_vheader6:
+			state = via_check_vheader6( &buf, buf_end );
+			break;
+		case state_command:
+			if (HALCYON_HEADER2 == (cmd = *buf)) 
+				state = state_header2;
+			else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) 
+				state = state_header1;
+			else if (pro_group_a && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5)
+				state = state_vheader5;
+			else if (pro_group_a && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
+				state = state_vheader6;
+			else {
+				DRM_ERROR("Invalid / Unimplemented DMA HEADER command. 0x%x\n",
+					  cmd);
+				state = state_error;
+			}
+			break;
+		case state_error:
+		default:
+			*hc_state = saved_state;
+			return DRM_ERR(EINVAL);			
+		}
+	}	
+	if (state == state_error) {
+		*hc_state = saved_state;
+		return DRM_ERR(EINVAL);
+	}
+	return 0;
+}
+
+int 
+via_parse_command_stream(drm_device_t *dev, const uint32_t * buf, unsigned int size)
+{
+
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	uint32_t cmd;
+	const uint32_t *buf_end = buf + ( size >> 2 );
+	verifier_state_t state = state_command;
+	int fire_count = 0;
+	
+	while (buf < buf_end) {
+
+		switch (state) {
+		case state_header2:
+		  state = via_parse_header2( dev_priv, &buf, buf_end, &fire_count );
+			break;
+		case state_header1:
+			state = via_parse_header1( dev_priv, &buf, buf_end );
+			break;
+		case state_vheader5:
+			state = via_parse_vheader5( dev_priv, &buf, buf_end );
+			break;
+		case state_vheader6:
+			state = via_parse_vheader6( dev_priv, &buf, buf_end );
+			break;
+		case state_command:
+			if (HALCYON_HEADER2 == (cmd = *buf)) 
+				state = state_header2;
+			else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1) 
+				state = state_header1;
+			else if ((cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5)
+				state = state_vheader5;
+			else if ((cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
+				state = state_vheader6;
+			else {
+				DRM_ERROR("Invalid / Unimplemented DMA HEADER command. 0x%x\n",
+					  cmd);
+				state = state_error;
+			}
+			break;
+		case state_error:
+		default:
+			return DRM_ERR(EINVAL);			
+		}
+	}	
+	if (state == state_error) {
+		return DRM_ERR(EINVAL);
+	}
+	return 0;
+}
+
+
+
+static void 
+setup_hazard_table(hz_init_t init_table[], hazard_t table[], int size)
+{
+	int i;
+
+	for(i=0; i<256; ++i) {
+		table[i] = forbidden_command;
+	}
+
+	for(i=0; i<size; ++i) {
+		table[init_table[i].code] = init_table[i].hz;
+	}
+}
+
+void 
+via_init_command_verifier( void )
+{
+	setup_hazard_table(init_table1, table1, sizeof(init_table1) / sizeof(hz_init_t));
+	setup_hazard_table(init_table2, table2, sizeof(init_table2) / sizeof(hz_init_t));
+	setup_hazard_table(init_table3, table3, sizeof(init_table3) / sizeof(hz_init_t));
+}
diff --git a/drivers/char/drm/via_verifier.h b/drivers/char/drm/via_verifier.h
new file mode 100644
index 0000000..a8e1359
--- /dev/null
+++ b/drivers/char/drm/via_verifier.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2004 The Unichrome Project. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE UNICHROME PROJECT, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Thomas Hellström 2004.
+ */
+
+#ifndef _VIA_VERIFIER_H_
+#define _VIA_VERIFIER_H_
+
+typedef enum{
+	no_sequence = 0, 
+	z_address,
+	dest_address,
+	tex_address
+}drm_via_sequence_t;
+
+
+
+typedef struct{
+	unsigned texture;
+	uint32_t z_addr; 
+	uint32_t d_addr; 
+        uint32_t t_addr[2][10];
+	uint32_t pitch[2][10];
+	uint32_t height[2][10];
+	uint32_t tex_level_lo[2]; 
+	uint32_t tex_level_hi[2];
+	uint32_t tex_palette_size[2];
+	drm_via_sequence_t unfinished;
+	int agp_texture;
+	int multitex;
+	drm_device_t *dev;
+	drm_map_t *map_cache;
+	uint32_t vertex_count;
+	int agp;
+	const uint32_t *buf_start;
+} drm_via_state_t;
+
+extern int via_verify_command_stream(const uint32_t * buf, unsigned int size, 
+				     drm_device_t *dev, int agp);
+
+#endif
diff --git a/drivers/char/drm/via_video.c b/drivers/char/drm/via_video.c
new file mode 100644
index 0000000..1e2d444
--- /dev/null
+++ b/drivers/char/drm/via_video.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2005 Thomas Hellstrom. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S), AND/OR THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Thomas Hellstrom 2005.
+ *
+ * Video and XvMC related functions.
+ */
+
+#include "drmP.h"
+#include "via_drm.h"
+#include "via_drv.h"
+
+void
+via_init_futex(drm_via_private_t *dev_priv)
+{
+	unsigned int i;
+
+	DRM_DEBUG("%s\n", __FUNCTION__);
+
+	for (i = 0; i < VIA_NR_XVMC_LOCKS; ++i) {
+		DRM_INIT_WAITQUEUE(&(dev_priv->decoder_queue[i]));
+		XVMCLOCKPTR(dev_priv->sarea_priv, i)->lock = 0;
+	}
+}
+
+void
+via_cleanup_futex(drm_via_private_t *dev_priv)
+{
+}	
+
+void
+via_release_futex(drm_via_private_t *dev_priv, int context)
+{
+	unsigned int i;
+	volatile int *lock;
+
+	for (i=0; i < VIA_NR_XVMC_LOCKS; ++i) {
+	        lock = (int *) XVMCLOCKPTR(dev_priv->sarea_priv, i);
+		if ( (_DRM_LOCKING_CONTEXT( *lock ) == context)) {
+			if (_DRM_LOCK_IS_HELD( *lock ) && (*lock & _DRM_LOCK_CONT)) {
+				DRM_WAKEUP( &(dev_priv->decoder_queue[i]));
+			}
+			*lock = 0;
+		}
+	}	
+}	
+
+int 
+via_decoder_futex(DRM_IOCTL_ARGS)
+{
+	DRM_DEVICE;
+	drm_via_futex_t fx;
+	volatile int *lock;
+	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
+	drm_via_sarea_t *sAPriv = dev_priv->sarea_priv;
+	int ret = 0;
+
+	DRM_DEBUG("%s\n", __FUNCTION__);
+
+	DRM_COPY_FROM_USER_IOCTL(fx, (drm_via_futex_t __user *) data,
+				 sizeof(fx));
+
+	if (fx.lock > VIA_NR_XVMC_LOCKS)
+		return -EFAULT;
+
+	lock = (int *)XVMCLOCKPTR(sAPriv, fx.lock);
+
+	switch (fx.func) {
+	case VIA_FUTEX_WAIT:
+		DRM_WAIT_ON(ret, dev_priv->decoder_queue[fx.lock],
+			    (fx.ms / 10) * (DRM_HZ / 100), *lock != fx.val);
+		return ret;
+	case VIA_FUTEX_WAKE:
+		DRM_WAKEUP(&(dev_priv->decoder_queue[fx.lock]));
+		return 0;
+	}
+	return 0;
+}
+
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 7def6ad..62cda25 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -163,8 +163,7 @@ static void ds1620_out(int cmd, int bits, int value)
 	netwinder_ds1620_reset();
 	netwinder_unlock(&flags);
 
-	set_current_state(TASK_INTERRUPTIBLE);
-	schedule_timeout(2);
+	msleep(20);
 }
 
 static unsigned int ds1620_in(int cmd, int bits)
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 37d6649..26271e3 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -144,7 +144,7 @@ static struct dsp56k_device {
 	int tx_wsize, rx_wsize;
 } dsp56k;
 
-static struct class_simple *dsp56k_class;
+static struct class *dsp56k_class;
 
 static int dsp56k_reset(void)
 {
@@ -510,12 +510,12 @@ static int __init dsp56k_init_driver(void)
 		printk("DSP56k driver: Unable to register driver\n");
 		return -ENODEV;
 	}
-	dsp56k_class = class_simple_create(THIS_MODULE, "dsp56k");
+	dsp56k_class = class_create(THIS_MODULE, "dsp56k");
 	if (IS_ERR(dsp56k_class)) {
 		err = PTR_ERR(dsp56k_class);
 		goto out_chrdev;
 	}
-	class_simple_device_add(dsp56k_class, MKDEV(DSP56K_MAJOR, 0), NULL, "dsp56k");
+	class_device_create(dsp56k_class, MKDEV(DSP56K_MAJOR, 0), NULL, "dsp56k");
 
 	err = devfs_mk_cdev(MKDEV(DSP56K_MAJOR, 0),
 		      S_IFCHR | S_IRUSR | S_IWUSR, "dsp56k");
@@ -526,8 +526,8 @@ static int __init dsp56k_init_driver(void)
 	goto out;
 
 out_class:
-	class_simple_device_remove(MKDEV(DSP56K_MAJOR, 0));
-	class_simple_destroy(dsp56k_class);
+	class_device_destroy(dsp56k_class, MKDEV(DSP56K_MAJOR, 0));
+	class_destroy(dsp56k_class);
 out_chrdev:
 	unregister_chrdev(DSP56K_MAJOR, "dsp56k");
 out:
@@ -537,8 +537,8 @@ module_init(dsp56k_init_driver);
 
 static void __exit dsp56k_cleanup_driver(void)
 {
-	class_simple_device_remove(MKDEV(DSP56K_MAJOR, 0));
-	class_simple_destroy(dsp56k_class);
+	class_device_destroy(dsp56k_class, MKDEV(DSP56K_MAJOR, 0));
+	class_destroy(dsp56k_class);
 	unregister_chrdev(DSP56K_MAJOR, "dsp56k");
 	devfs_remove("dsp56k");
 }
diff --git a/drivers/char/ftape/compressor/zftape-compress.c b/drivers/char/ftape/compressor/zftape-compress.c
index 220a227..65ffc0b 100644
--- a/drivers/char/ftape/compressor/zftape-compress.c
+++ b/drivers/char/ftape/compressor/zftape-compress.c
@@ -1176,8 +1176,8 @@ KERN_INFO "Compressor for zftape (lzrw3 algorithm)\n");
         }
 #else /* !MODULE */
 	/* print a short no-nonsense boot message */
-	printk("zftape compressor v1.00a 970514\n");
-	printk("For use with " FTAPE_VERSION "\n");
+	printk(KERN_INFO "zftape compressor v1.00a 970514\n");
+	printk(KERN_INFO "For use with " FTAPE_VERSION "\n");
 #endif /* MODULE */
 	TRACE(ft_t_info, "zft_compressor_init @ 0x%p", zft_compressor_init);
 	TRACE(ft_t_info, "installing compressor for zftape ...");
diff --git a/drivers/char/ftape/zftape/zftape-init.c b/drivers/char/ftape/zftape/zftape-init.c
index dbac7e5..5745b74 100644
--- a/drivers/char/ftape/zftape/zftape-init.c
+++ b/drivers/char/ftape/zftape/zftape-init.c
@@ -99,7 +99,7 @@ static struct file_operations zft_cdev =
 	.release	= zft_close,
 };
 
-static struct class_simple *zft_class;
+static struct class *zft_class;
 
 /*      Open floppy tape device
  */
@@ -329,29 +329,29 @@ KERN_INFO
 	      "installing zftape VFS interface for ftape driver ...");
 	TRACE_CATCH(register_chrdev(QIC117_TAPE_MAJOR, "zft", &zft_cdev),);
 
-	zft_class = class_simple_create(THIS_MODULE, "zft");
+	zft_class = class_create(THIS_MODULE, "zft");
 	for (i = 0; i < 4; i++) {
-		class_simple_device_add(zft_class, MKDEV(QIC117_TAPE_MAJOR, i), NULL, "qft%i", i);
+		class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i), NULL, "qft%i", i);
 		devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i),
 				S_IFCHR | S_IRUSR | S_IWUSR,
 				"qft%i", i);
-		class_simple_device_add(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 4), NULL, "nqft%i", i);
+		class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 4), NULL, "nqft%i", i);
 		devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 4),
 				S_IFCHR | S_IRUSR | S_IWUSR,
 				"nqft%i", i);
-		class_simple_device_add(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 16), NULL, "zqft%i", i);
+		class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 16), NULL, "zqft%i", i);
 		devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 16),
 				S_IFCHR | S_IRUSR | S_IWUSR,
 				"zqft%i", i);
-		class_simple_device_add(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 20), NULL, "nzqft%i", i);
+		class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 20), NULL, "nzqft%i", i);
 		devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 20),
 				S_IFCHR | S_IRUSR | S_IWUSR,
 				"nzqft%i", i);
-		class_simple_device_add(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 32), NULL, "rawqft%i", i);
+		class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 32), NULL, "rawqft%i", i);
 		devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 32),
 				S_IFCHR | S_IRUSR | S_IWUSR,
 				"rawqft%i", i);
-		class_simple_device_add(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 36), NULL, "nrawrawqft%i", i);
+		class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 36), NULL, "nrawrawqft%i", i);
 		devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 36),
 				S_IFCHR | S_IRUSR | S_IWUSR,
 				"nrawqft%i", i);
@@ -381,19 +381,19 @@ static void zft_exit(void)
 	}
         for (i = 0; i < 4; i++) {
 		devfs_remove("qft%i", i);
-		class_simple_device_remove(MKDEV(QIC117_TAPE_MAJOR, i));
+		class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i));
 		devfs_remove("nqft%i", i);
-		class_simple_device_remove(MKDEV(QIC117_TAPE_MAJOR, i + 4));
+		class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 4));
 		devfs_remove("zqft%i", i);
-		class_simple_device_remove(MKDEV(QIC117_TAPE_MAJOR, i + 16));
+		class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 16));
 		devfs_remove("nzqft%i", i);
-		class_simple_device_remove(MKDEV(QIC117_TAPE_MAJOR, i + 20));
+		class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 20));
 		devfs_remove("rawqft%i", i);
-		class_simple_device_remove(MKDEV(QIC117_TAPE_MAJOR, i + 32));
+		class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 32));
 		devfs_remove("nrawqft%i", i);
-		class_simple_device_remove(MKDEV(QIC117_TAPE_MAJOR, i + 36));
+		class_device_destroy(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 36));
 	}
-	class_simple_destroy(zft_class);
+	class_destroy(zft_class);
 	zft_uninit_mem(); /* release remaining memory, if any */
         printk(KERN_INFO "zftape successfully unloaded.\n");
 	TRACE_EXIT;
diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c
index 78e650f..81d811e 100644
--- a/drivers/char/hangcheck-timer.c
+++ b/drivers/char/hangcheck-timer.c
@@ -173,7 +173,7 @@ static void hangcheck_fire(unsigned long data)
 		}
 		if (hangcheck_reboot) {
 			printk(KERN_CRIT "Hangcheck: hangcheck is restarting the machine.\n");
-			machine_restart(NULL);
+			emergency_restart();
 		} else {
 			printk(KERN_CRIT "Hangcheck: hangcheck value past margin!\n");
 		}
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 5ec732e..762fa43 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -834,7 +834,7 @@ int hpet_alloc(struct hpet_data *hdp)
 	printk("\n");
 
 	ns = hpetp->hp_period;	/* femptoseconds, 10^-15 */
-	do_div(ns, 1000000);	/* convert to nanoseconds, 10^-9 */
+	ns /= 1000000;		/* convert to nanoseconds, 10^-9 */
 	printk(KERN_INFO "hpet%d: %ldns tick, %d %d-bit timers\n",
 		hpetp->hp_which, ns, hpetp->hp_ntimer,
 		cap & HPET_COUNTER_SIZE_MASK ? 64 : 32);
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 88cd858..cddb789 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -22,6 +22,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
+#include <linux/config.h>
 #include <linux/console.h>
 #include <linux/cpumask.h>
 #include <linux/init.h>
@@ -40,7 +41,6 @@
 #include <linux/delay.h>
 #include <asm/uaccess.h>
 #include <asm/hvconsole.h>
-#include <asm/vio.h>
 
 #define HVC_MAJOR	229
 #define HVC_MINOR	0
@@ -61,16 +61,21 @@
  */
 #define HVC_ALLOC_TTY_ADAPTERS	8
 
-static struct tty_driver *hvc_driver;
-#ifdef CONFIG_MAGIC_SYSRQ
-static int sysrq_pressed;
-#endif
-
 #define N_OUTBUF	16
 #define N_INBUF		16
 
 #define __ALIGNED__	__attribute__((__aligned__(8)))
 
+static struct tty_driver *hvc_driver;
+static struct task_struct *hvc_task;
+
+/* Picks up late kicks after list walk but before schedule() */
+static int hvc_kicked;
+
+#ifdef CONFIG_MAGIC_SYSRQ
+static int sysrq_pressed;
+#endif
+
 struct hvc_struct {
 	spinlock_t lock;
 	int index;
@@ -80,11 +85,11 @@ struct hvc_struct {
 	char outbuf[N_OUTBUF] __ALIGNED__;
 	int n_outbuf;
 	uint32_t vtermno;
+	struct hv_ops *ops;
 	int irq_requested;
 	int irq;
 	struct list_head next;
 	struct kobject kobj; /* ref count & hvc_struct lifetime */
-	struct vio_dev *vdev;
 };
 
 /* dynamic list of hvc_struct instances */
@@ -97,26 +102,185 @@ static struct list_head hvc_structs = LIST_HEAD_INIT(hvc_structs);
 static DEFINE_SPINLOCK(hvc_structs_lock);
 
 /*
+ * This value is used to assign a tty->index value to a hvc_struct based
+ * upon order of exposure via hvc_probe(), when we can not match it to
+ * a console canidate registered with hvc_instantiate().
+ */
+static int last_hvc = -1;
+
+/*
+ * Do not call this function with either the hvc_strucst_lock or the hvc_struct
+ * lock held.  If successful, this function increments the kobject reference
+ * count against the target hvc_struct so it should be released when finished.
+ */
+struct hvc_struct *hvc_get_by_index(int index)
+{
+	struct hvc_struct *hp;
+	unsigned long flags;
+
+	spin_lock(&hvc_structs_lock);
+
+	list_for_each_entry(hp, &hvc_structs, next) {
+		spin_lock_irqsave(&hp->lock, flags);
+		if (hp->index == index) {
+			kobject_get(&hp->kobj);
+			spin_unlock_irqrestore(&hp->lock, flags);
+			spin_unlock(&hvc_structs_lock);
+			return hp;
+		}
+		spin_unlock_irqrestore(&hp->lock, flags);
+	}
+	hp = NULL;
+
+	spin_unlock(&hvc_structs_lock);
+	return hp;
+}
+
+
+/*
  * Initial console vtermnos for console API usage prior to full console
  * initialization.  Any vty adapter outside this range will not have usable
  * console interfaces but can still be used as a tty device.  This has to be
  * static because kmalloc will not work during early console init.
  */
-static uint32_t vtermnos[MAX_NR_HVC_CONSOLES];
+static struct hv_ops *cons_ops[MAX_NR_HVC_CONSOLES];
+static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] =
+	{[0 ... MAX_NR_HVC_CONSOLES - 1] = -1};
 
-/* Used for accounting purposes */
-static int num_vterms = 0;
+/*
+ * Console APIs, NOT TTY.  These APIs are available immediately when
+ * hvc_console_setup() finds adapters.
+ */
 
-static struct task_struct *hvc_task;
+void hvc_console_print(struct console *co, const char *b, unsigned count)
+{
+	char c[16] __ALIGNED__;
+	unsigned i = 0, n = 0;
+	int r, donecr = 0, index = co->index;
+
+	/* Console access attempt outside of acceptable console range. */
+	if (index >= MAX_NR_HVC_CONSOLES)
+		return;
+
+	/* This console adapter was removed so it is not useable. */
+	if (vtermnos[index] < 0)
+		return;
+
+	while (count > 0 || i > 0) {
+		if (count > 0 && i < sizeof(c)) {
+			if (b[n] == '\n' && !donecr) {
+				c[i++] = '\r';
+				donecr = 1;
+			} else {
+				c[i++] = b[n++];
+				donecr = 0;
+				--count;
+			}
+		} else {
+			r = cons_ops[index]->put_chars(vtermnos[index], c, i);
+			if (r < 0) {
+				/* throw away chars on error */
+				i = 0;
+			} else if (r > 0) {
+				i -= r;
+				if (i > 0)
+					memmove(c, c+r, i);
+			}
+		}
+	}
+}
+
+static struct tty_driver *hvc_console_device(struct console *c, int *index)
+{
+	if (vtermnos[c->index] == -1)
+		return NULL;
+
+	*index = c->index;
+	return hvc_driver;
+}
+
+static int __init hvc_console_setup(struct console *co, char *options)
+{
+	if (co->index < 0 || co->index >= MAX_NR_HVC_CONSOLES)
+		return -ENODEV;
+
+	if (vtermnos[co->index] == -1)
+		return -ENODEV;
+
+	return 0;
+}
+
+struct console hvc_con_driver = {
+	.name		= "hvc",
+	.write		= hvc_console_print,
+	.device		= hvc_console_device,
+	.setup		= hvc_console_setup,
+	.flags		= CON_PRINTBUFFER,
+	.index		= -1,
+};
 
 /*
- * This value is used to associate a tty->index value to a hvc_struct based
- * upon order of exposure via hvc_probe().
+ * Early console initialization.  Preceeds driver initialization.
+ *
+ * (1) we are first, and the user specified another driver
+ * -- index will remain -1
+ * (2) we are first and the user specified no driver
+ * -- index will be set to 0, then we will fail setup.
+ * (3)  we are first and the user specified our driver
+ * -- index will be set to user specified driver, and we will fail
+ * (4) we are after driver, and this initcall will register us
+ * -- if the user didn't specify a driver then the console will match
+ *
+ * Note that for cases 2 and 3, we will match later when the io driver
+ * calls hvc_instantiate() and call register again.
  */
-static int hvc_count = -1;
+static int __init hvc_console_init(void)
+{
+	register_console(&hvc_con_driver);
+	return 0;
+}
+console_initcall(hvc_console_init);
 
-/* Picks up late kicks after list walk but before schedule() */
-static int hvc_kicked;
+/*
+ * hvc_instantiate() is an early console discovery method which locates
+ * consoles * prior to the vio subsystem discovering them.  Hotplugged
+ * vty adapters do NOT get an hvc_instantiate() callback since they
+ * appear after early console init.
+ */
+int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops)
+{
+	struct hvc_struct *hp;
+
+	if (index < 0 || index >= MAX_NR_HVC_CONSOLES)
+		return -1;
+
+	if (vtermnos[index] != -1)
+		return -1;
+
+	/* make sure no no tty has been registerd in this index */
+	hp = hvc_get_by_index(index);
+	if (hp) {
+		kobject_put(&hp->kobj);
+		return -1;
+	}
+
+	vtermnos[index] = vtermno;
+	cons_ops[index] = ops;
+
+	/* reserve all indices upto and including this index */
+	if (last_hvc < index)
+		last_hvc = index;
+
+	/* if this index is what the user requested, then register
+	 * now (setup won't fail at this point).  It's ok to just
+	 * call register again if previously .setup failed.
+	 */
+	if (index == hvc_con_driver.index)
+		register_console(&hvc_con_driver);
+
+	return 0;
+}
+EXPORT_SYMBOL(hvc_instantiate);
 
 /* Wake the sleeping khvcd */
 static void hvc_kick(void)
@@ -125,13 +289,17 @@ static void hvc_kick(void)
 	wake_up_process(hvc_task);
 }
 
+static int hvc_poll(struct hvc_struct *hp);
+
 /*
  * NOTE: This API isn't used if the console adapter doesn't support interrupts.
  * In this case the console is poll driven.
  */
 static irqreturn_t hvc_handle_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
 {
-	hvc_kick();
+	/* if hvc_poll request a repoll, then kick the hvcd thread */
+	if (hvc_poll(dev_instance))
+		hvc_kick();
 	return IRQ_HANDLED;
 }
 
@@ -141,34 +309,6 @@ static void hvc_unthrottle(struct tty_struct *tty)
 }
 
 /*
- * Do not call this function with either the hvc_strucst_lock or the hvc_struct
- * lock held.  If successful, this function increments the kobject reference
- * count against the target hvc_struct so it should be released when finished.
- */
-struct hvc_struct *hvc_get_by_index(int index)
-{
-	struct hvc_struct *hp;
-	unsigned long flags;
-
-	spin_lock(&hvc_structs_lock);
-
-	list_for_each_entry(hp, &hvc_structs, next) {
-		spin_lock_irqsave(&hp->lock, flags);
-		if (hp->index == index) {
-			kobject_get(&hp->kobj);
-			spin_unlock_irqrestore(&hp->lock, flags);
-			spin_unlock(&hvc_structs_lock);
-			return hp;
-		}
-		spin_unlock_irqrestore(&hp->lock, flags);
-	}
-	hp = NULL;
-
-	spin_unlock(&hvc_structs_lock);
-	return hp;
-}
-
-/*
  * The TTY interface won't be used until after the vio layer has exposed the vty
  * adapter to the kernel.
  */
@@ -329,7 +469,7 @@ static void hvc_push(struct hvc_struct *hp)
 {
 	int n;
 
-	n = hvc_put_chars(hp->vtermno, hp->outbuf, hp->n_outbuf);
+	n = hp->ops->put_chars(hp->vtermno, hp->outbuf, hp->n_outbuf);
 	if (n <= 0) {
 		if (n == 0)
 			return;
@@ -467,7 +607,7 @@ static int hvc_poll(struct hvc_struct *hp)
 			break;
 		}
 
-		n = hvc_get_chars(hp->vtermno, buf, count);
+		n = hp->ops->get_chars(hp->vtermno, buf, count);
 		if (n <= 0) {
 			/* Hangup the tty when disconnected from host */
 			if (n == -EPIPE) {
@@ -479,14 +619,17 @@ static int hvc_poll(struct hvc_struct *hp)
 		}
 		for (i = 0; i < n; ++i) {
 #ifdef CONFIG_MAGIC_SYSRQ
-			/* Handle the SysRq Hack */
-			if (buf[i] == '\x0f') {	/* ^O -- should support a sequence */
-				sysrq_pressed = 1;
-				continue;
-			} else if (sysrq_pressed) {
-				handle_sysrq(buf[i], NULL, tty);
-				sysrq_pressed = 0;
-				continue;
+			if (hp->index == hvc_con_driver.index) {
+				/* Handle the SysRq Hack */
+				/* XXX should support a sequence */
+				if (buf[i] == '\x0f') {	/* ^O */
+					sysrq_pressed = 1;
+					continue;
+				} else if (sysrq_pressed) {
+					handle_sysrq(buf[i], NULL, tty);
+					sysrq_pressed = 0;
+					continue;
+				}
 			}
 #endif /* CONFIG_MAGIC_SYSRQ */
 			tty_insert_flip_char(tty, buf[i], 0);
@@ -497,8 +640,8 @@ static int hvc_poll(struct hvc_struct *hp)
 
 		/*
 		 * Account for the total amount read in one loop, and if above
-		 * 64 bytes, we do a quick schedule loop to let the tty grok the
-		 * data and eventually throttle us.
+		 * 64 bytes, we do a quick schedule loop to let the tty grok
+		 * the data and eventually throttle us.
 		 */
 		read_total += n;
 		if (read_total >= 64) {
@@ -542,7 +685,6 @@ int khvcd(void *unused)
 		if (cpus_empty(cpus_in_xmon)) {
 			spin_lock(&hvc_structs_lock);
 			list_for_each_entry(hp, &hvc_structs, next) {
-				/*hp = list_entry(node, struct hvc_struct, * next); */
 				poll_mask |= hvc_poll(hp);
 			}
 			spin_unlock(&hvc_structs_lock);
@@ -577,14 +719,6 @@ static struct tty_operations hvc_ops = {
 	.chars_in_buffer = hvc_chars_in_buffer,
 };
 
-char hvc_driver_name[] = "hvc_console";
-
-static struct vio_device_id hvc_driver_table[] __devinitdata= {
-	{"serial", "hvterm1"},
-	{ NULL, }
-};
-MODULE_DEVICE_TABLE(vio, hvc_driver_table);
-
 /* callback when the kboject ref count reaches zero. */
 static void destroy_hvc_struct(struct kobject *kobj)
 {
@@ -606,41 +740,51 @@ static struct kobj_type hvc_kobj_type = {
 	.release = destroy_hvc_struct,
 };
 
-static int __devinit hvc_probe(
-		struct vio_dev *dev,
-		const struct vio_device_id *id)
+struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int irq,
+					struct hv_ops *ops)
 {
 	struct hvc_struct *hp;
-
-	/* probed with invalid parameters. */
-	if (!dev || !id)
-		return -EPERM;
+	int i;
 
 	hp = kmalloc(sizeof(*hp), GFP_KERNEL);
 	if (!hp)
-		return -ENOMEM;
+		return ERR_PTR(-ENOMEM);
 
 	memset(hp, 0x00, sizeof(*hp));
-	hp->vtermno = dev->unit_address;
-	hp->vdev = dev;
-	hp->vdev->dev.driver_data = hp;
-	hp->irq = dev->irq;
+
+	hp->vtermno = vtermno;
+	hp->irq = irq;
+	hp->ops = ops;
 
 	kobject_init(&hp->kobj);
 	hp->kobj.ktype = &hvc_kobj_type;
 
 	spin_lock_init(&hp->lock);
 	spin_lock(&hvc_structs_lock);
-	hp->index = ++hvc_count;
+
+	/*
+	 * find index to use:
+	 * see if this vterm id matches one registered for console.
+	 */
+	for (i=0; i < MAX_NR_HVC_CONSOLES; i++)
+		if (vtermnos[i] == hp->vtermno)
+			break;
+
+	/* no matching slot, just use a counter */
+	if (i >= MAX_NR_HVC_CONSOLES)
+		i = ++last_hvc;
+
+	hp->index = i;
+
 	list_add_tail(&(hp->next), &hvc_structs);
 	spin_unlock(&hvc_structs_lock);
 
-	return 0;
+	return hp;
 }
+EXPORT_SYMBOL(hvc_alloc);
 
-static int __devexit hvc_remove(struct vio_dev *dev)
+int __devexit hvc_remove(struct hvc_struct *hp)
 {
-	struct hvc_struct *hp = dev->dev.driver_data;
 	unsigned long flags;
 	struct kobject *kobjp;
 	struct tty_struct *tty;
@@ -673,23 +817,14 @@ static int __devexit hvc_remove(struct vio_dev *dev)
 		tty_hangup(tty);
 	return 0;
 }
-
-static struct vio_driver hvc_vio_driver = {
-	.name		= hvc_driver_name,
-	.id_table	= hvc_driver_table,
-	.probe		= hvc_probe,
-	.remove		= hvc_remove,
-};
+EXPORT_SYMBOL(hvc_remove);
 
 /* Driver initialization.  Follow console initialization.  This is where the TTY
  * interfaces start to become available. */
 int __init hvc_init(void)
 {
-	int rc;
-
-	/* We need more than num_vterms adapters due to hotplug additions. */
+	/* We need more than hvc_count adapters due to hotplug additions. */
 	hvc_driver = alloc_tty_driver(HVC_ALLOC_TTY_ADAPTERS);
-	/* hvc_driver = alloc_tty_driver(num_vterms); */
 	if (!hvc_driver)
 		return -ENOMEM;
 
@@ -716,116 +851,20 @@ int __init hvc_init(void)
 		return -EIO;
 	}
 
-	/* Register as a vio device to receive callbacks */
-	rc = vio_register_driver(&hvc_vio_driver);
-
-	return rc;
+	return 0;
 }
+module_init(hvc_init);
 
-/* This isn't particularily necessary due to this being a console driver but it
- * is nice to be thorough */
+/* This isn't particularily necessary due to this being a console driver
+ * but it is nice to be thorough.
+ */
 static void __exit hvc_exit(void)
 {
 	kthread_stop(hvc_task);
 
-	vio_unregister_driver(&hvc_vio_driver);
 	tty_unregister_driver(hvc_driver);
 	/* return tty_struct instances allocated in hvc_init(). */
 	put_tty_driver(hvc_driver);
+	unregister_console(&hvc_con_driver);
 }
-
-/*
- * Console APIs, NOT TTY.  These APIs are available immediately when
- * hvc_console_setup() finds adapters.
- */
-
-/*
- * hvc_instantiate() is an early console discovery method which locates consoles
- * prior to the vio subsystem discovering them.  Hotplugged vty adapters do NOT
- * get an hvc_instantiate() callback since the appear after early console init.
- */
-int hvc_instantiate(uint32_t vtermno, int index)
-{
-	if (index < 0 || index >= MAX_NR_HVC_CONSOLES)
-		return -1;
-
-	if (vtermnos[index] != -1)
-		return -1;
-
-	vtermnos[index] = vtermno;
-	return 0;
-}
-
-void hvc_console_print(struct console *co, const char *b, unsigned count)
-{
-	char c[16] __ALIGNED__;
-	unsigned i = 0, n = 0;
-	int r, donecr = 0;
-
-	/* Console access attempt outside of acceptable console range. */
-	if (co->index >= MAX_NR_HVC_CONSOLES)
-		return;
-
-	/* This console adapter was removed so it is not useable. */
-	if (vtermnos[co->index] < 0)
-		return;
-
-	while (count > 0 || i > 0) {
-		if (count > 0 && i < sizeof(c)) {
-			if (b[n] == '\n' && !donecr) {
-				c[i++] = '\r';
-				donecr = 1;
-			} else {
-				c[i++] = b[n++];
-				donecr = 0;
-				--count;
-			}
-		} else {
-			r = hvc_put_chars(vtermnos[co->index], c, i);
-			if (r < 0) {
-				/* throw away chars on error */
-				i = 0;
-			} else if (r > 0) {
-				i -= r;
-				if (i > 0)
-					memmove(c, c+r, i);
-			}
-		}
-	}
-}
-
-static struct tty_driver *hvc_console_device(struct console *c, int *index)
-{
-	*index = c->index;
-	return hvc_driver;
-}
-
-static int __init hvc_console_setup(struct console *co, char *options)
-{
-	return 0;
-}
-
-struct console hvc_con_driver = {
-	.name		= "hvc",
-	.write		= hvc_console_print,
-	.device		= hvc_console_device,
-	.setup		= hvc_console_setup,
-	.flags		= CON_PRINTBUFFER,
-	.index		= -1,
-};
-
-/* Early console initialization.  Preceeds driver initialization. */
-static int __init hvc_console_init(void)
-{
-	int i;
-
-	for (i=0; i<MAX_NR_HVC_CONSOLES; i++)
-		vtermnos[i] = -1;
-	num_vterms = hvc_find_vtys();
-	register_console(&hvc_con_driver);
-	return 0;
-}
-console_initcall(hvc_console_init);
-
-module_init(hvc_init);
 module_exit(hvc_exit);
diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c
new file mode 100644
index 0000000..60bb915
--- /dev/null
+++ b/drivers/char/hvc_vio.c
@@ -0,0 +1,152 @@
+/*
+ * vio driver interface to hvc_console.c
+ *
+ * This code was moved here to allow the remaing code to be reused as a
+ * generic polling mode with semi-reliable transport driver core to the
+ * console and tty subsystems.
+ *
+ *
+ * Copyright (C) 2001 Anton Blanchard <anton@au.ibm.com>, IBM
+ * Copyright (C) 2001 Paul Mackerras <paulus@au.ibm.com>, IBM
+ * Copyright (C) 2004 Benjamin Herrenschmidt <benh@kernel.crashing.org>, IBM Corp.
+ * Copyright (C) 2004 IBM Corporation
+ *
+ * Additional Author(s):
+ *  Ryan S. Arnold <rsa@us.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <asm/hvconsole.h>
+#include <asm/vio.h>
+#include <asm/prom.h>
+
+char hvc_driver_name[] = "hvc_console";
+
+static struct vio_device_id hvc_driver_table[] __devinitdata = {
+	{"serial", "hvterm1"},
+	{ NULL, }
+};
+MODULE_DEVICE_TABLE(vio, hvc_driver_table);
+
+static int filtered_get_chars(uint32_t vtermno, char *buf, int count)
+{
+	unsigned long got;
+	int i;
+
+	got = hvc_get_chars(vtermno, buf, count);
+
+	/*
+	 * Work around a HV bug where it gives us a null
+	 * after every \r.  -- paulus
+	 */
+	for (i = 1; i < got; ++i) {
+		if (buf[i] == 0 && buf[i-1] == '\r') {
+			--got;
+			if (i < got)
+				memmove(&buf[i], &buf[i+1],
+					got - i);
+		}
+	}
+	return got;
+}
+
+static struct hv_ops hvc_get_put_ops = {
+	.get_chars = filtered_get_chars,
+	.put_chars = hvc_put_chars,
+};
+
+static int __devinit hvc_vio_probe(struct vio_dev *vdev,
+				const struct vio_device_id *id)
+{
+	struct hvc_struct *hp;
+
+	/* probed with invalid parameters. */
+	if (!vdev || !id)
+		return -EPERM;
+
+	hp = hvc_alloc(vdev->unit_address, vdev->irq, &hvc_get_put_ops);
+	if (IS_ERR(hp))
+		return PTR_ERR(hp);
+	dev_set_drvdata(&vdev->dev, hp);
+
+	return 0;
+}
+
+static int __devexit hvc_vio_remove(struct vio_dev *vdev)
+{
+	struct hvc_struct *hp = dev_get_drvdata(&vdev->dev);
+
+	return hvc_remove(hp);
+}
+
+static struct vio_driver hvc_vio_driver = {
+	.name		= hvc_driver_name,
+	.id_table	= hvc_driver_table,
+	.probe		= hvc_vio_probe,
+	.remove		= hvc_vio_remove,
+	.driver		= {
+		.owner	= THIS_MODULE,
+	}
+};
+
+static int hvc_vio_init(void)
+{
+	int rc;
+
+	/* Register as a vio device to receive callbacks */
+	rc = vio_register_driver(&hvc_vio_driver);
+
+	return rc;
+}
+module_init(hvc_vio_init); /* after drivers/char/hvc_console.c */
+
+static void hvc_vio_exit(void)
+{
+	vio_unregister_driver(&hvc_vio_driver);
+}
+module_exit(hvc_vio_exit);
+
+/* the device tree order defines our numbering */
+static int hvc_find_vtys(void)
+{
+	struct device_node *vty;
+	int num_found = 0;
+
+	for (vty = of_find_node_by_name(NULL, "vty"); vty != NULL;
+			vty = of_find_node_by_name(vty, "vty")) {
+		uint32_t *vtermno;
+
+		/* We have statically defined space for only a certain number
+		 * of console adapters.
+		 */
+		if (num_found >= MAX_NR_HVC_CONSOLES)
+			break;
+
+		vtermno = (uint32_t *)get_property(vty, "reg", NULL);
+		if (!vtermno)
+			continue;
+
+		if (device_is_compatible(vty, "hvterm1")) {
+			hvc_instantiate(*vtermno, num_found, &hvc_get_put_ops);
+			++num_found;
+		}
+	}
+
+	return num_found;
+}
+console_initcall(hvc_find_vtys);
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index abfbdcf..3236d24 100644
--- a/drivers/char/hvcs.c
+++ b/drivers/char/hvcs.c
@@ -1466,7 +1466,7 @@ static inline struct hvcs_struct *from_vio_dev(struct vio_dev *viod)
 }
 /* The sysfs interface for the driver and devices */
 
-static ssize_t hvcs_partner_vtys_show(struct device *dev, char *buf)
+static ssize_t hvcs_partner_vtys_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct vio_dev *viod = to_vio_dev(dev);
 	struct hvcs_struct *hvcsd = from_vio_dev(viod);
@@ -1480,7 +1480,7 @@ static ssize_t hvcs_partner_vtys_show(struct device *dev, char *buf)
 }
 static DEVICE_ATTR(partner_vtys, S_IRUGO, hvcs_partner_vtys_show, NULL);
 
-static ssize_t hvcs_partner_clcs_show(struct device *dev, char *buf)
+static ssize_t hvcs_partner_clcs_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct vio_dev *viod = to_vio_dev(dev);
 	struct hvcs_struct *hvcsd = from_vio_dev(viod);
@@ -1494,7 +1494,7 @@ static ssize_t hvcs_partner_clcs_show(struct device *dev, char *buf)
 }
 static DEVICE_ATTR(partner_clcs, S_IRUGO, hvcs_partner_clcs_show, NULL);
 
-static ssize_t hvcs_current_vty_store(struct device *dev, const char * buf,
+static ssize_t hvcs_current_vty_store(struct device *dev, struct device_attribute *attr, const char * buf,
 		size_t count)
 {
 	/*
@@ -1505,7 +1505,7 @@ static ssize_t hvcs_current_vty_store(struct device *dev, const char * buf,
 	return -EPERM;
 }
 
-static ssize_t hvcs_current_vty_show(struct device *dev, char *buf)
+static ssize_t hvcs_current_vty_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct vio_dev *viod = to_vio_dev(dev);
 	struct hvcs_struct *hvcsd = from_vio_dev(viod);
@@ -1521,7 +1521,7 @@ static ssize_t hvcs_current_vty_show(struct device *dev, char *buf)
 static DEVICE_ATTR(current_vty,
 	S_IRUGO | S_IWUSR, hvcs_current_vty_show, hvcs_current_vty_store);
 
-static ssize_t hvcs_vterm_state_store(struct device *dev, const char *buf,
+static ssize_t hvcs_vterm_state_store(struct device *dev, struct device_attribute *attr, const char *buf,
 		size_t count)
 {
 	struct vio_dev *viod = to_vio_dev(dev);
@@ -1559,7 +1559,7 @@ static ssize_t hvcs_vterm_state_store(struct device *dev, const char *buf,
 	return count;
 }
 
-static ssize_t hvcs_vterm_state_show(struct device *dev, char *buf)
+static ssize_t hvcs_vterm_state_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct vio_dev *viod = to_vio_dev(dev);
 	struct hvcs_struct *hvcsd = from_vio_dev(viod);
@@ -1574,7 +1574,7 @@ static ssize_t hvcs_vterm_state_show(struct device *dev, char *buf)
 static DEVICE_ATTR(vterm_state, S_IRUGO | S_IWUSR,
 		hvcs_vterm_state_show, hvcs_vterm_state_store);
 
-static ssize_t hvcs_index_show(struct device *dev, char *buf)
+static ssize_t hvcs_index_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct vio_dev *viod = to_vio_dev(dev);
 	struct hvcs_struct *hvcsd = from_vio_dev(viod);
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index f1f1192..a22aa94 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -291,15 +291,13 @@ static void dump_packet(uint8_t *packet)
 	dump_hex(packet, header->len);
 }
 
-/* can't use hvc_get_chars because that strips CRs */
 static int hvsi_read(struct hvsi_struct *hp, char *buf, int count)
 {
 	unsigned long got;
 
-	if (plpar_hcall(H_GET_TERM_CHAR, hp->vtermno, 0, 0, 0, &got,
-			(unsigned long *)buf, (unsigned long *)buf+1) == H_Success)
-		return got;
-	return 0;
+	got = hvc_get_chars(hp->vtermno, buf, count);
+
+	return got;
 }
 
 static void hvsi_recv_control(struct hvsi_struct *hp, uint8_t *packet,
diff --git a/drivers/char/hw_random.c b/drivers/char/hw_random.c
index 7e6ac14..3480535 100644
--- a/drivers/char/hw_random.c
+++ b/drivers/char/hw_random.c
@@ -579,7 +579,7 @@ static int __init rng_init (void)
 
 	/* Probe for Intel, AMD RNGs */
 	for_each_pci_dev(pdev) {
-		ent = pci_match_device (rng_pci_tbl, pdev);
+		ent = pci_match_id(rng_pci_tbl, pdev);
 		if (ent) {
 			rng_ops = &rng_vendor_ops[ent->driver_data];
 			goto match;
diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c
index a811976..6c4b3f9 100644
--- a/drivers/char/i8k.c
+++ b/drivers/char/i8k.c
@@ -20,13 +20,14 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/proc_fs.h>
-#include <linux/apm_bios.h>
+#include <linux/seq_file.h>
+#include <linux/dmi.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
 #include <linux/i8k.h>
 
-#define I8K_VERSION		"1.13 14/05/2002"
+#define I8K_VERSION		"1.14 21/02/2005"
 
 #define I8K_SMM_FN_STATUS	0x0025
 #define I8K_SMM_POWER_STATUS	0x0069
@@ -34,7 +35,8 @@
 #define I8K_SMM_GET_FAN		0x00a3
 #define I8K_SMM_GET_SPEED	0x02a3
 #define I8K_SMM_GET_TEMP	0x10a3
-#define I8K_SMM_GET_DELL_SIG	0xffa3
+#define I8K_SMM_GET_DELL_SIG1	0xfea3
+#define I8K_SMM_GET_DELL_SIG2	0xffa3
 #define I8K_SMM_BIOS_VERSION	0x00a6
 
 #define I8K_FAN_MULT		30
@@ -52,18 +54,7 @@
 
 #define I8K_TEMPERATURE_BUG	1
 
-#define DELL_SIGNATURE		"Dell Computer"
-
-static char *supported_models[] = {
-    "Inspiron",
-    "Latitude",
-    NULL
-};
-
-static char system_vendor[48] = "?";
-static char product_name [48] = "?";
-static char bios_version [4]  = "?";
-static char serial_number[16] = "?";
+static char bios_version[4];
 
 MODULE_AUTHOR("Massimo Dal Zotto (dz@debian.org)");
 MODULE_DESCRIPTION("Driver for accessing SMM BIOS on Dell laptops");
@@ -73,6 +64,10 @@ static int force;
 module_param(force, bool, 0);
 MODULE_PARM_DESC(force, "Force loading without checking for supported models");
 
+static int ignore_dmi;
+module_param(ignore_dmi, bool, 0);
+MODULE_PARM_DESC(ignore_dmi, "Continue probing hardware even if DMI data does not match");
+
 static int restricted;
 module_param(restricted, bool, 0);
 MODULE_PARM_DESC(restricted, "Allow fan control if SYS_ADMIN capability set");
@@ -81,69 +76,69 @@ static int power_status;
 module_param(power_status, bool, 0600);
 MODULE_PARM_DESC(power_status, "Report power status in /proc/i8k");
 
-static ssize_t i8k_read(struct file *, char __user *, size_t, loff_t *);
+static int i8k_open_fs(struct inode *inode, struct file *file);
 static int i8k_ioctl(struct inode *, struct file *, unsigned int,
 		     unsigned long);
 
 static struct file_operations i8k_fops = {
-    .read	= i8k_read,
-    .ioctl	= i8k_ioctl,
+	.open		= i8k_open_fs,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+	.ioctl		= i8k_ioctl,
+};
+
+struct smm_regs {
+	unsigned int eax;
+	unsigned int ebx __attribute__ ((packed));
+	unsigned int ecx __attribute__ ((packed));
+	unsigned int edx __attribute__ ((packed));
+	unsigned int esi __attribute__ ((packed));
+	unsigned int edi __attribute__ ((packed));
 };
 
-typedef struct {
-    unsigned int eax;
-    unsigned int ebx __attribute__ ((packed));
-    unsigned int ecx __attribute__ ((packed));
-    unsigned int edx __attribute__ ((packed));
-    unsigned int esi __attribute__ ((packed));
-    unsigned int edi __attribute__ ((packed));
-} SMMRegisters;
-
-typedef struct {
-    u8	type;
-    u8	length;
-    u16	handle;
-} DMIHeader;
+static inline char *i8k_get_dmi_data(int field)
+{
+	return dmi_get_system_info(field) ? : "N/A";
+}
 
 /*
  * Call the System Management Mode BIOS. Code provided by Jonathan Buzzard.
  */
-static int i8k_smm(SMMRegisters *regs)
+static int i8k_smm(struct smm_regs *regs)
 {
-    int rc;
-    int eax = regs->eax;
-
-    asm("pushl %%eax\n\t" \
-	"movl 0(%%eax),%%edx\n\t" \
-	"push %%edx\n\t" \
-	"movl 4(%%eax),%%ebx\n\t" \
-	"movl 8(%%eax),%%ecx\n\t" \
-	"movl 12(%%eax),%%edx\n\t" \
-	"movl 16(%%eax),%%esi\n\t" \
-	"movl 20(%%eax),%%edi\n\t" \
-	"popl %%eax\n\t" \
-	"out %%al,$0xb2\n\t" \
-	"out %%al,$0x84\n\t" \
-	"xchgl %%eax,(%%esp)\n\t"
-	"movl %%ebx,4(%%eax)\n\t" \
-	"movl %%ecx,8(%%eax)\n\t" \
-	"movl %%edx,12(%%eax)\n\t" \
-	"movl %%esi,16(%%eax)\n\t" \
-	"movl %%edi,20(%%eax)\n\t" \
-	"popl %%edx\n\t" \
-	"movl %%edx,0(%%eax)\n\t" \
-	"lahf\n\t" \
-	"shrl $8,%%eax\n\t" \
-	"andl $1,%%eax\n" \
-	: "=a" (rc)
-	: "a" (regs)
-	: "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory");
-
-    if ((rc != 0) || ((regs->eax & 0xffff) == 0xffff) || (regs->eax == eax)) {
-	return -EINVAL;
-    }
-
-    return 0;
+	int rc;
+	int eax = regs->eax;
+
+	asm("pushl %%eax\n\t"
+	    "movl 0(%%eax),%%edx\n\t"
+	    "push %%edx\n\t"
+	    "movl 4(%%eax),%%ebx\n\t"
+	    "movl 8(%%eax),%%ecx\n\t"
+	    "movl 12(%%eax),%%edx\n\t"
+	    "movl 16(%%eax),%%esi\n\t"
+	    "movl 20(%%eax),%%edi\n\t"
+	    "popl %%eax\n\t"
+	    "out %%al,$0xb2\n\t"
+	    "out %%al,$0x84\n\t"
+	    "xchgl %%eax,(%%esp)\n\t"
+	    "movl %%ebx,4(%%eax)\n\t"
+	    "movl %%ecx,8(%%eax)\n\t"
+	    "movl %%edx,12(%%eax)\n\t"
+	    "movl %%esi,16(%%eax)\n\t"
+	    "movl %%edi,20(%%eax)\n\t"
+	    "popl %%edx\n\t"
+	    "movl %%edx,0(%%eax)\n\t"
+	    "lahf\n\t"
+	    "shrl $8,%%eax\n\t"
+	    "andl $1,%%eax\n":"=a"(rc)
+	    :    "a"(regs)
+	    :    "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory");
+
+	if (rc != 0 || (regs->eax & 0xffff) == 0xffff || regs->eax == eax)
+		return -EINVAL;
+
+	return 0;
 }
 
 /*
@@ -152,24 +147,9 @@ static int i8k_smm(SMMRegisters *regs)
  */
 static int i8k_get_bios_version(void)
 {
-    SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
-    int rc;
-
-    regs.eax = I8K_SMM_BIOS_VERSION;
-    if ((rc=i8k_smm(&regs)) < 0) {
-	return rc;
-    }
-
-    return regs.eax;
-}
+	struct smm_regs regs = { .eax = I8K_SMM_BIOS_VERSION, };
 
-/*
- * Read the machine id.
- */
-static int i8k_get_serial_number(unsigned char *buff)
-{
-    strlcpy(buff, serial_number, sizeof(serial_number));
-    return 0;
+	return i8k_smm(&regs) ? : regs.eax;
 }
 
 /*
@@ -177,24 +157,22 @@ static int i8k_get_serial_number(unsigned char *buff)
  */
 static int i8k_get_fn_status(void)
 {
-    SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
-    int rc;
-
-    regs.eax = I8K_SMM_FN_STATUS;
-    if ((rc=i8k_smm(&regs)) < 0) {
-	return rc;
-    }
-
-    switch ((regs.eax >> I8K_FN_SHIFT) & I8K_FN_MASK) {
-    case I8K_FN_UP:
-	return I8K_VOL_UP;
-    case I8K_FN_DOWN:
-	return I8K_VOL_DOWN;
-    case I8K_FN_MUTE:
-	return I8K_VOL_MUTE;
-    default:
-	return 0;
-    }
+	struct smm_regs regs = { .eax = I8K_SMM_FN_STATUS, };
+	int rc;
+
+	if ((rc = i8k_smm(&regs)) < 0)
+		return rc;
+
+	switch ((regs.eax >> I8K_FN_SHIFT) & I8K_FN_MASK) {
+	case I8K_FN_UP:
+		return I8K_VOL_UP;
+	case I8K_FN_DOWN:
+		return I8K_VOL_DOWN;
+	case I8K_FN_MUTE:
+		return I8K_VOL_MUTE;
+	default:
+		return 0;
+	}
 }
 
 /*
@@ -202,20 +180,13 @@ static int i8k_get_fn_status(void)
  */
 static int i8k_get_power_status(void)
 {
-    SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
-    int rc;
-
-    regs.eax = I8K_SMM_POWER_STATUS;
-    if ((rc=i8k_smm(&regs)) < 0) {
-	return rc;
-    }
-
-    switch (regs.eax & 0xff) {
-    case I8K_POWER_AC:
-	return I8K_AC;
-    default:
-	return I8K_BATTERY;
-    }
+	struct smm_regs regs = { .eax = I8K_SMM_POWER_STATUS, };
+	int rc;
+
+	if ((rc = i8k_smm(&regs)) < 0)
+		return rc;
+
+	return (regs.eax & 0xff) == I8K_POWER_AC ? I8K_AC : I8K_BATTERY;
 }
 
 /*
@@ -223,16 +194,10 @@ static int i8k_get_power_status(void)
  */
 static int i8k_get_fan_status(int fan)
 {
-    SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
-    int rc;
-
-    regs.eax = I8K_SMM_GET_FAN;
-    regs.ebx = fan & 0xff;
-    if ((rc=i8k_smm(&regs)) < 0) {
-	return rc;
-    }
+	struct smm_regs regs = { .eax = I8K_SMM_GET_FAN, };
 
-    return (regs.eax & 0xff);
+	regs.ebx = fan & 0xff;
+	return i8k_smm(&regs) ? : regs.eax & 0xff;
 }
 
 /*
@@ -240,16 +205,10 @@ static int i8k_get_fan_status(int fan)
  */
 static int i8k_get_fan_speed(int fan)
 {
-    SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
-    int rc;
+	struct smm_regs regs = { .eax = I8K_SMM_GET_SPEED, };
 
-    regs.eax = I8K_SMM_GET_SPEED;
-    regs.ebx = fan & 0xff;
-    if ((rc=i8k_smm(&regs)) < 0) {
-	return rc;
-    }
-
-    return (regs.eax & 0xffff) * I8K_FAN_MULT;
+	regs.ebx = fan & 0xff;
+	return i8k_smm(&regs) ? : (regs.eax & 0xffff) * I8K_FAN_MULT;
 }
 
 /*
@@ -257,532 +216,318 @@ static int i8k_get_fan_speed(int fan)
  */
 static int i8k_set_fan(int fan, int speed)
 {
-    SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
-    int rc;
-
-    speed = (speed < 0) ? 0 : ((speed > I8K_FAN_MAX) ? I8K_FAN_MAX : speed);
+	struct smm_regs regs = { .eax = I8K_SMM_SET_FAN, };
 
-    regs.eax = I8K_SMM_SET_FAN;
-    regs.ebx = (fan & 0xff) | (speed << 8);
-    if ((rc=i8k_smm(&regs)) < 0) {
-	return rc;
-    }
+	speed = (speed < 0) ? 0 : ((speed > I8K_FAN_MAX) ? I8K_FAN_MAX : speed);
+	regs.ebx = (fan & 0xff) | (speed << 8);
 
-    return (i8k_get_fan_status(fan));
+	return i8k_smm(&regs) ? : i8k_get_fan_status(fan);
 }
 
 /*
  * Read the cpu temperature.
  */
-static int i8k_get_cpu_temp(void)
+static int i8k_get_temp(int sensor)
 {
-    SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
-    int rc;
-    int temp;
+	struct smm_regs regs = { .eax = I8K_SMM_GET_TEMP, };
+	int rc;
+	int temp;
 
 #ifdef I8K_TEMPERATURE_BUG
-    static int prev = 0;
+	static int prev;
 #endif
+	regs.ebx = sensor & 0xff;
+	if ((rc = i8k_smm(&regs)) < 0)
+		return rc;
 
-    regs.eax = I8K_SMM_GET_TEMP;
-    if ((rc=i8k_smm(&regs)) < 0) {
-	return rc;
-    }
-    temp = regs.eax & 0xff;
+	temp = regs.eax & 0xff;
 
 #ifdef I8K_TEMPERATURE_BUG
-    /*
-     * Sometimes the temperature sensor returns 0x99, which is out of range.
-     * In this case we return (once) the previous cached value. For example:
-     # 1003655137 00000058 00005a4b
-     # 1003655138 00000099 00003a80 <--- 0x99 = 153 degrees
-     # 1003655139 00000054 00005c52
-     */
-    if (temp > I8K_MAX_TEMP) {
-	temp = prev;
-	prev = I8K_MAX_TEMP;
-    } else {
-	prev = temp;
-    }
+	/*
+	 * Sometimes the temperature sensor returns 0x99, which is out of range.
+	 * In this case we return (once) the previous cached value. For example:
+	 # 1003655137 00000058 00005a4b
+	 # 1003655138 00000099 00003a80 <--- 0x99 = 153 degrees
+	 # 1003655139 00000054 00005c52
+	 */
+	if (temp > I8K_MAX_TEMP) {
+		temp = prev;
+		prev = I8K_MAX_TEMP;
+	} else {
+		prev = temp;
+	}
 #endif
 
-    return temp;
+	return temp;
 }
 
-static int i8k_get_dell_signature(void)
+static int i8k_get_dell_signature(int req_fn)
 {
-    SMMRegisters regs = { 0, 0, 0, 0, 0, 0 };
-    int rc;
+	struct smm_regs regs = { .eax = req_fn, };
+	int rc;
 
-    regs.eax = I8K_SMM_GET_DELL_SIG;
-    if ((rc=i8k_smm(&regs)) < 0) {
-	return rc;
-    }
+	if ((rc = i8k_smm(&regs)) < 0)
+		return rc;
 
-    if ((regs.eax == 1145651527) && (regs.edx == 1145392204)) {
-	return 0;
-    } else {
-	return -1;
-    }
+	return regs.eax == 1145651527 && regs.edx == 1145392204 ? 0 : -1;
 }
 
 static int i8k_ioctl(struct inode *ip, struct file *fp, unsigned int cmd,
 		     unsigned long arg)
 {
-    int val;
-    int speed;
-    unsigned char buff[16];
-    int __user *argp = (int __user *)arg;
-
-    if (!argp)
-	return -EINVAL;
-
-    switch (cmd) {
-    case I8K_BIOS_VERSION:
-	val = i8k_get_bios_version();
-	break;
-
-    case I8K_MACHINE_ID:
-	memset(buff, 0, 16);
-	val = i8k_get_serial_number(buff);
-	break;
-
-    case I8K_FN_STATUS:
-	val = i8k_get_fn_status();
-	break;
-
-    case I8K_POWER_STATUS:
-	val = i8k_get_power_status();
-	break;
-
-    case I8K_GET_TEMP:
-	val = i8k_get_cpu_temp();
-	break;
-
-    case I8K_GET_SPEED:
-	if (copy_from_user(&val, argp, sizeof(int))) {
-	    return -EFAULT;
-	}
-	val = i8k_get_fan_speed(val);
-	break;
-
-    case I8K_GET_FAN:
-	if (copy_from_user(&val, argp, sizeof(int))) {
-	    return -EFAULT;
-	}
-	val = i8k_get_fan_status(val);
-	break;
+	int val = 0;
+	int speed;
+	unsigned char buff[16];
+	int __user *argp = (int __user *)arg;
 
-    case I8K_SET_FAN:
-	if (restricted && !capable(CAP_SYS_ADMIN)) {
-	    return -EPERM;
-	}
-	if (copy_from_user(&val, argp, sizeof(int))) {
-	    return -EFAULT;
-	}
-	if (copy_from_user(&speed, argp+1, sizeof(int))) {
-	    return -EFAULT;
-	}
-	val = i8k_set_fan(val, speed);
-	break;
+	if (!argp)
+		return -EINVAL;
 
-    default:
-	return -EINVAL;
-    }
+	switch (cmd) {
+	case I8K_BIOS_VERSION:
+		val = i8k_get_bios_version();
+		break;
 
-    if (val < 0) {
-	return val;
-    }
+	case I8K_MACHINE_ID:
+		memset(buff, 0, 16);
+		strlcpy(buff, i8k_get_dmi_data(DMI_PRODUCT_SERIAL), sizeof(buff));
+		break;
 
-    switch (cmd) {
-    case I8K_BIOS_VERSION:
-	if (copy_to_user(argp, &val, 4)) {
-	    return -EFAULT;
-	}
-	break;
-    case I8K_MACHINE_ID:
-	if (copy_to_user(argp, buff, 16)) {
-	    return -EFAULT;
-	}
-	break;
-    default:
-	if (copy_to_user(argp, &val, sizeof(int))) {
-	    return -EFAULT;
-	}
-	break;
-    }
+	case I8K_FN_STATUS:
+		val = i8k_get_fn_status();
+		break;
 
-    return 0;
-}
+	case I8K_POWER_STATUS:
+		val = i8k_get_power_status();
+		break;
 
-/*
- * Print the information for /proc/i8k.
- */
-static int i8k_get_info(char *buffer, char **start, off_t fpos, int length)
-{
-    int n, fn_key, cpu_temp, ac_power;
-    int left_fan, right_fan, left_speed, right_speed;
-
-    cpu_temp     = i8k_get_cpu_temp();			/* 11100 µs */
-    left_fan     = i8k_get_fan_status(I8K_FAN_LEFT);	/*   580 µs */
-    right_fan    = i8k_get_fan_status(I8K_FAN_RIGHT);	/*   580 µs */
-    left_speed   = i8k_get_fan_speed(I8K_FAN_LEFT);	/*   580 µs */
-    right_speed  = i8k_get_fan_speed(I8K_FAN_RIGHT);	/*   580 µs */
-    fn_key       = i8k_get_fn_status();			/*   750 µs */
-    if (power_status) {
-	ac_power = i8k_get_power_status();		/* 14700 µs */
-    } else {
-	ac_power = -1;
-    }
-
-    /*
-     * Info:
-     *
-     * 1)  Format version (this will change if format changes)
-     * 2)  BIOS version
-     * 3)  BIOS machine ID
-     * 4)  Cpu temperature
-     * 5)  Left fan status
-     * 6)  Right fan status
-     * 7)  Left fan speed
-     * 8)  Right fan speed
-     * 9)  AC power
-     * 10) Fn Key status
-     */
-    n = sprintf(buffer, "%s %s %s %d %d %d %d %d %d %d\n",
-		I8K_PROC_FMT,
-		bios_version,
-		serial_number,
-		cpu_temp,
-		left_fan,
-		right_fan,
-		left_speed,
-		right_speed,
-		ac_power,
-		fn_key);
-
-    return n;
-}
+	case I8K_GET_TEMP:
+		val = i8k_get_temp(0);
+		break;
 
-static ssize_t i8k_read(struct file *f, char __user *buffer, size_t len, loff_t *fpos)
-{
-    int n;
-    char info[128];
+	case I8K_GET_SPEED:
+		if (copy_from_user(&val, argp, sizeof(int)))
+			return -EFAULT;
 
-    n = i8k_get_info(info, NULL, 0, 128);
-    if (n <= 0) {
-	return n;
-    }
+		val = i8k_get_fan_speed(val);
+		break;
 
-    if (*fpos >= n) {
-	return 0;
-    }
+	case I8K_GET_FAN:
+		if (copy_from_user(&val, argp, sizeof(int)))
+			return -EFAULT;
 
-    if ((*fpos + len) >= n) {
-	len = n - *fpos;
-    }
+		val = i8k_get_fan_status(val);
+		break;
 
-    if (copy_to_user(buffer, info, len) != 0) {
-	return -EFAULT;
-    }
+	case I8K_SET_FAN:
+		if (restricted && !capable(CAP_SYS_ADMIN))
+			return -EPERM;
 
-    *fpos += len;
-    return len;
-}
+		if (copy_from_user(&val, argp, sizeof(int)))
+			return -EFAULT;
 
-static char* __init string_trim(char *s, int size)
-{
-    int len;
-    char *p;
+		if (copy_from_user(&speed, argp + 1, sizeof(int)))
+			return -EFAULT;
 
-    if ((len = strlen(s)) > size) {
-	len = size;
-    }
+		val = i8k_set_fan(val, speed);
+		break;
 
-    for (p=s+len-1; len && (*p==' '); len--,p--) {
-	*p = '\0';
-    }
+	default:
+		return -EINVAL;
+	}
 
-    return s;
-}
+	if (val < 0)
+		return val;
 
-/* DMI code, stolen from arch/i386/kernel/dmi_scan.c */
+	switch (cmd) {
+	case I8K_BIOS_VERSION:
+		if (copy_to_user(argp, &val, 4))
+			return -EFAULT;
 
-/*
- * |<-- dmi->length -->|
- * |                   |
- * |dmi header    s=N  | string1,\0, ..., stringN,\0, ..., \0
- *                |                       |
- *                +-----------------------+
- */
-static char* __init dmi_string(DMIHeader *dmi, u8 s)
-{
-    u8 *p;
+		break;
+	case I8K_MACHINE_ID:
+		if (copy_to_user(argp, buff, 16))
+			return -EFAULT;
 
-    if (!s) {
-	return "";
-    }
-    s--;
+		break;
+	default:
+		if (copy_to_user(argp, &val, sizeof(int)))
+			return -EFAULT;
 
-    p = (u8 *)dmi + dmi->length;
-    while (s > 0) {
-	p += strlen(p);
-	p++;
-	s--;
-    }
+		break;
+	}
 
-    return p;
+	return 0;
 }
 
-static void __init dmi_decode(DMIHeader *dmi)
+/*
+ * Print the information for /proc/i8k.
+ */
+static int i8k_proc_show(struct seq_file *seq, void *offset)
 {
-    u8 *data = (u8 *) dmi;
-    char *p;
-
-#ifdef I8K_DEBUG
-    int i;
-    printk("%08x ", (int)data);
-    for (i=0; i<data[1] && i<64; i++) {
-	printk("%02x ", data[i]);
-    }
-    printk("\n");
-#endif
-
-    switch (dmi->type) {
-    case  0:	/* BIOS Information */
-	p = dmi_string(dmi,data[5]);
-	if (*p) {
-	    strlcpy(bios_version, p, sizeof(bios_version));
-	    string_trim(bios_version, sizeof(bios_version));
-	}
-	break;	
-    case 1:	/* System Information */
-	p = dmi_string(dmi,data[4]);
-	if (*p) {
-	    strlcpy(system_vendor, p, sizeof(system_vendor));
-	    string_trim(system_vendor, sizeof(system_vendor));
-	}
-	p = dmi_string(dmi,data[5]);
-	if (*p) {
-	    strlcpy(product_name, p, sizeof(product_name));
-	    string_trim(product_name, sizeof(product_name));
-	}
-	p = dmi_string(dmi,data[7]);
-	if (*p) {
-	    strlcpy(serial_number, p, sizeof(serial_number));
-	    string_trim(serial_number, sizeof(serial_number));
-	}
-	break;
-    }
-}
+	int fn_key, cpu_temp, ac_power;
+	int left_fan, right_fan, left_speed, right_speed;
+
+	cpu_temp	= i8k_get_temp(0);			/* 11100 µs */
+	left_fan	= i8k_get_fan_status(I8K_FAN_LEFT);	/*   580 µs */
+	right_fan	= i8k_get_fan_status(I8K_FAN_RIGHT);	/*   580 µs */
+	left_speed	= i8k_get_fan_speed(I8K_FAN_LEFT);	/*   580 µs */
+	right_speed	= i8k_get_fan_speed(I8K_FAN_RIGHT);	/*   580 µs */
+	fn_key		= i8k_get_fn_status();			/*   750 µs */
+	if (power_status)
+		ac_power = i8k_get_power_status();		/* 14700 µs */
+	else
+		ac_power = -1;
 
-static int __init dmi_table(u32 base, int len, int num, void (*fn)(DMIHeader*))
-{
-    u8 *buf;
-    u8 *data;
-    DMIHeader *dmi;
-    int i = 1;
-
-    buf = ioremap(base, len);
-    if (buf == NULL) {
-	return -1;
-    }
-    data = buf;
-
-    /*
-     * Stop when we see al the items the table claimed to have
-     * or we run off the end of the table (also happens)
-     */
-    while ((i<num) && ((data-buf) < len)) {
-	dmi = (DMIHeader *)data;
-	/*
-	 * Avoid misparsing crud if the length of the last
-	 * record is crap
-	 */
-	if ((data-buf+dmi->length) >= len) {
-	    break;
-	}
-	fn(dmi);
-	data += dmi->length;
 	/*
-	 * Don't go off the end of the data if there is
-	 * stuff looking like string fill past the end
+	 * Info:
+	 *
+	 * 1)  Format version (this will change if format changes)
+	 * 2)  BIOS version
+	 * 3)  BIOS machine ID
+	 * 4)  Cpu temperature
+	 * 5)  Left fan status
+	 * 6)  Right fan status
+	 * 7)  Left fan speed
+	 * 8)  Right fan speed
+	 * 9)  AC power
+	 * 10) Fn Key status
 	 */
-	while (((data-buf) < len) && (*data || data[1])) {
-	    data++;
-	}
-	data += 2;
-	i++;
-    }
-    iounmap(buf);
-
-    return 0;
+	return seq_printf(seq, "%s %s %s %d %d %d %d %d %d %d\n",
+			  I8K_PROC_FMT,
+			  bios_version,
+			  dmi_get_system_info(DMI_PRODUCT_SERIAL) ? : "N/A",
+			  cpu_temp,
+			  left_fan, right_fan, left_speed, right_speed,
+			  ac_power, fn_key);
 }
 
-static int __init dmi_iterate(void (*decode)(DMIHeader *))
+static int i8k_open_fs(struct inode *inode, struct file *file)
 {
-	unsigned char buf[20];
-	void __iomem *p = ioremap(0xe0000, 0x20000), *q;
-
-	if (!p)
-		return -1;
-
-	for (q = p; q < p + 0x20000; q += 16) {
-		memcpy_fromio(buf, q, 20);
-		if (memcmp(buf, "_DMI_", 5)==0) {
-			u16 num  = buf[13]<<8  | buf[12];
-			u16 len  = buf [7]<<8  | buf [6];
-			u32 base = buf[11]<<24 | buf[10]<<16 | buf[9]<<8 | buf[8];
-#ifdef I8K_DEBUG
-			printk(KERN_INFO "DMI %d.%d present.\n",
-			   buf[14]>>4, buf[14]&0x0F);
-			printk(KERN_INFO "%d structures occupying %d bytes.\n",
-			   buf[13]<<8 | buf[12],
-			   buf [7]<<8 | buf[6]);
-			printk(KERN_INFO "DMI table at 0x%08X.\n",
-			   buf[11]<<24 | buf[10]<<16 | buf[9]<<8 | buf[8]);
-#endif
-			if (dmi_table(base, len, num, decode)==0) {
-				iounmap(p);
-				return 0;
-			}
-		}
-	}
-	iounmap(p);
-	return -1;
+	return single_open(file, i8k_proc_show, NULL);
 }
-/* end of DMI code */
-
-/*
- * Get DMI information.
- */
-static int __init i8k_dmi_probe(void)
-{
-    char **p;
-
-    if (dmi_iterate(dmi_decode) != 0) {
-	printk(KERN_INFO "i8k: unable to get DMI information\n");
-	return -ENODEV;
-    }
-
-    if (strncmp(system_vendor,DELL_SIGNATURE,strlen(DELL_SIGNATURE)) != 0) {
-	printk(KERN_INFO "i8k: not running on a Dell system\n");
-	return -ENODEV;
-    }
-
-    for (p=supported_models; ; p++) {
-	if (!*p) {
-	    printk(KERN_INFO "i8k: unsupported model: %s\n", product_name);
-	    return -ENODEV;
-	}
-	if (strncmp(product_name,*p,strlen(*p)) == 0) {
-	    break;
-	}
-    }
 
-    return 0;
-}
+static struct dmi_system_id __initdata i8k_dmi_table[] = {
+	{
+		.ident = "Dell Inspiron",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron"),
+		},
+	},
+	{
+		.ident = "Dell Latitude",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude"),
+		},
+	},
+	{
+		.ident = "Dell Inspiron 2",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron"),
+		},
+	},
+	{
+		.ident = "Dell Latitude 2",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Latitude"),
+		},
+	},
+	{ }
+};
 
 /*
  * Probe for the presence of a supported laptop.
  */
 static int __init i8k_probe(void)
 {
-    char buff[4];
-    int version;
-    int smm_found = 0;
-
-    /*
-     * Get DMI information
-     */
-    if (i8k_dmi_probe() != 0) {
-	printk(KERN_INFO "i8k: vendor=%s, model=%s, version=%s\n",
-	       system_vendor, product_name, bios_version);
-    }
-
-    /*
-     * Get SMM Dell signature
-     */
-    if (i8k_get_dell_signature() != 0) {
-	printk(KERN_INFO "i8k: unable to get SMM Dell signature\n");
-    } else {
-	smm_found = 1;
-    }
-
-    /*
-     * Get SMM BIOS version.
-     */
-    version = i8k_get_bios_version();
-    if (version <= 0) {
-	printk(KERN_INFO "i8k: unable to get SMM BIOS version\n");
-    } else {
-	smm_found = 1;
-	buff[0] = (version >> 16) & 0xff;
-	buff[1] = (version >>  8) & 0xff;
-	buff[2] = (version)       & 0xff;
-	buff[3] = '\0';
+	char buff[4];
+	int version;
+
 	/*
-	 * If DMI BIOS version is unknown use SMM BIOS version.
+	 * Get DMI information
 	 */
-	if (bios_version[0] == '?') {
-	    strcpy(bios_version, buff);
+	if (!dmi_check_system(i8k_dmi_table)) {
+		if (!ignore_dmi && !force)
+			return -ENODEV;
+
+		printk(KERN_INFO "i8k: not running on a supported Dell system.\n");
+		printk(KERN_INFO "i8k: vendor=%s, model=%s, version=%s\n",
+			i8k_get_dmi_data(DMI_SYS_VENDOR),
+			i8k_get_dmi_data(DMI_PRODUCT_NAME),
+			i8k_get_dmi_data(DMI_BIOS_VERSION));
 	}
+
+	strlcpy(bios_version, i8k_get_dmi_data(DMI_BIOS_VERSION), sizeof(bios_version));
+
 	/*
-	 * Check if the two versions match.
+	 * Get SMM Dell signature
 	 */
-	if (strncmp(buff,bios_version,sizeof(bios_version)) != 0) {
-	    printk(KERN_INFO "i8k: BIOS version mismatch: %s != %s\n",
-		   buff, bios_version);
+	if (i8k_get_dell_signature(I8K_SMM_GET_DELL_SIG1) &&
+	    i8k_get_dell_signature(I8K_SMM_GET_DELL_SIG2)) {
+		printk(KERN_ERR "i8k: unable to get SMM Dell signature\n");
+		if (!force)
+			return -ENODEV;
 	}
-    }
 
-    if (!smm_found && !force) {
-	return -ENODEV;
-    }
+	/*
+	 * Get SMM BIOS version.
+	 */
+	version = i8k_get_bios_version();
+	if (version <= 0) {
+		printk(KERN_WARNING "i8k: unable to get SMM BIOS version\n");
+	} else {
+		buff[0] = (version >> 16) & 0xff;
+		buff[1] = (version >> 8) & 0xff;
+		buff[2] = (version) & 0xff;
+		buff[3] = '\0';
+		/*
+		 * If DMI BIOS version is unknown use SMM BIOS version.
+		 */
+		if (!dmi_get_system_info(DMI_BIOS_VERSION))
+			strlcpy(bios_version, buff, sizeof(bios_version));
+
+		/*
+		 * Check if the two versions match.
+		 */
+		if (strncmp(buff, bios_version, sizeof(bios_version)) != 0)
+			printk(KERN_WARNING "i8k: BIOS version mismatch: %s != %s\n",
+				buff, bios_version);
+	}
 
-    return 0;
+	return 0;
 }
 
-#ifdef MODULE
-static
-#endif
-int __init i8k_init(void)
+static int __init i8k_init(void)
 {
-    struct proc_dir_entry *proc_i8k;
-
-    /* Are we running on an supported laptop? */
-    if (i8k_probe() != 0) {
-	return -ENODEV;
-    }
-
-    /* Register the proc entry */
-    proc_i8k = create_proc_info_entry("i8k", 0, NULL, i8k_get_info);
-    if (!proc_i8k) {
-	return -ENOENT;
-    }
-    proc_i8k->proc_fops = &i8k_fops;
-    proc_i8k->owner = THIS_MODULE;
-
-    printk(KERN_INFO
-	   "Dell laptop SMM driver v%s Massimo Dal Zotto (dz@debian.org)\n",
-	   I8K_VERSION);
-
-    return 0;
-}
+	struct proc_dir_entry *proc_i8k;
 
-#ifdef MODULE
-int init_module(void)
-{
-    return i8k_init();
+	/* Are we running on an supported laptop? */
+	if (i8k_probe())
+		return -ENODEV;
+
+	/* Register the proc entry */
+	proc_i8k = create_proc_entry("i8k", 0, NULL);
+	if (!proc_i8k)
+		return -ENOENT;
+
+	proc_i8k->proc_fops = &i8k_fops;
+	proc_i8k->owner = THIS_MODULE;
+
+	printk(KERN_INFO
+	       "Dell laptop SMM driver v%s Massimo Dal Zotto (dz@debian.org)\n",
+	       I8K_VERSION);
+
+	return 0;
 }
 
-void cleanup_module(void)
+static void __exit i8k_exit(void)
 {
-    /* Remove the proc entry */
-    remove_proc_entry("i8k", NULL);
-
-    printk(KERN_INFO "i8k: module unloaded\n");
+	remove_proc_entry("i8k", NULL);
 }
-#endif
 
-/* end of file */
+module_init(i8k_init);
+module_exit(i8k_exit);
diff --git a/drivers/char/ip2/i2cmd.c b/drivers/char/ip2/i2cmd.c
index fd299d6..cb8f419 100644
--- a/drivers/char/ip2/i2cmd.c
+++ b/drivers/char/ip2/i2cmd.c
@@ -97,7 +97,7 @@ static UCHAR ct41[] = { 1, BYP,     0x29                     }; // RESUME
 //static UCHAR ct44[]={ 2, BTH,     0x2C,0                   }; // MS PING
 //static UCHAR ct45[]={ 1, BTH,     0x2D                     }; // HOTENAB
 //static UCHAR ct46[]={ 1, BTH,     0x2E                     }; // HOTDSAB
-static UCHAR ct47[] = { 7, BTH,     0x2F,0,0,0,0,0,0         }; // UNIX FLAGS
+//static UCHAR ct47[]={ 7, BTH,     0x2F,0,0,0,0,0,0         }; // UNIX FLAGS
 //static UCHAR ct48[]={ 1, BTH,     0x30                     }; // DSRFLOWENAB
 //static UCHAR ct49[]={ 1, BTH,     0x31                     }; // DSRFLOWDSAB
 //static UCHAR ct50[]={ 1, BTH,     0x32                     }; // DTRFLOWENAB
@@ -162,6 +162,7 @@ static UCHAR ct89[]={ 1, BYP,     0x59                     }; // DSS_NOW
 // This routine sets the parameters of command 47 and returns a pointer to the
 // appropriate structure.
 //******************************************************************************
+#if 0
 cmdSyntaxPtr
 i2cmdUnixFlags(unsigned short iflag,unsigned short cflag,unsigned short lflag)
 {
@@ -175,6 +176,7 @@ i2cmdUnixFlags(unsigned short iflag,unsigned short cflag,unsigned short lflag)
 	pCM->cmd[6] = (unsigned char) (lflag >> 8);
 	return pCM;
 }
+#endif  /*  0  */
 
 //******************************************************************************
 // Function:   i2cmdBaudDef(which, rate)
@@ -187,7 +189,7 @@ i2cmdUnixFlags(unsigned short iflag,unsigned short cflag,unsigned short lflag)
 // This routine sets the parameters of commands 54 or 55 (according to the
 // argument which), and returns a pointer to the appropriate structure.
 //******************************************************************************
-cmdSyntaxPtr
+static cmdSyntaxPtr
 i2cmdBaudDef(int which, unsigned short rate)
 {
 	cmdSyntaxPtr pCM;
diff --git a/drivers/char/ip2/i2cmd.h b/drivers/char/ip2/i2cmd.h
index c41728a..baa4e72 100644
--- a/drivers/char/ip2/i2cmd.h
+++ b/drivers/char/ip2/i2cmd.h
@@ -64,16 +64,6 @@ typedef struct _cmdSyntax
 						// directly from user-level
 #define VAR 0x10        // This command is of variable length!
 
-//-----------------------------------
-// External declarations for i2cmd.c
-//-----------------------------------
-// Routine to set up parameters for the "define hot-key sequence" command. Since
-// there is more than one parameter to assign, we must use a function rather
-// than a macro (used usually).
-//
-extern cmdSyntaxPtr i2cmdUnixFlags(USHORT iflag,USHORT cflag,USHORT lflag);
-extern cmdSyntaxPtr i2cmdBaudDef(int which, USHORT rate);
-
 // Declarations for the global arrays used to bear the commands and their
 // arguments.
 //
@@ -433,6 +423,7 @@ static UCHAR cc02[];
 #define CMD_HOT_ENAB (cmdSyntaxPtr)(ct45) // Enable Hot-key checking
 #define CMD_HOT_DSAB (cmdSyntaxPtr)(ct46) // Disable Hot-key checking
 
+#if 0
 // COMMAND 47: Send Protocol info via Unix flags:
 // iflag = Unix tty t_iflag
 // cflag = Unix tty t_cflag
@@ -441,6 +432,7 @@ static UCHAR cc02[];
 // within these flags
 //
 #define CMD_UNIX_FLAGS(iflag,cflag,lflag) i2cmdUnixFlags(iflag,cflag,lflag)
+#endif  /*  0  */
 
 #define CMD_DSRFL_ENAB  (cmdSyntaxPtr)(ct48) // Enable  DSR receiver ctrl
 #define CMD_DSRFL_DSAB  (cmdSyntaxPtr)(ct49) // Disable DSR receiver ctrl
diff --git a/drivers/char/ip2main.c b/drivers/char/ip2main.c
index fca9a97..cf0cd58 100644
--- a/drivers/char/ip2main.c
+++ b/drivers/char/ip2main.c
@@ -302,7 +302,7 @@ static char rirqs[IP2_MAX_BOARDS];
 static int Valid_Irqs[] = { 3, 4, 5, 7, 10, 11, 12, 15, 0};
 
 /* for sysfs class support */
-static struct class_simple *ip2_class;
+static struct class *ip2_class;
 
 // Some functions to keep track of what irq's we have
 
@@ -414,9 +414,9 @@ cleanup_module(void)
 			iiResetDelay( i2BoardPtrTable[i] );
 			/* free io addresses and Tibet */
 			release_region( ip2config.addr[i], 8 );
-			class_simple_device_remove(MKDEV(IP2_IPL_MAJOR, 4 * i)); 
+			class_device_destroy(ip2_class, MKDEV(IP2_IPL_MAJOR, 4 * i));
 			devfs_remove("ip2/ipl%d", i);
-			class_simple_device_remove(MKDEV(IP2_IPL_MAJOR, 4 * i + 1));
+			class_device_destroy(ip2_class, MKDEV(IP2_IPL_MAJOR, 4 * i + 1));
 			devfs_remove("ip2/stat%d", i);
 		}
 		/* Disable and remove interrupt handler. */
@@ -425,7 +425,7 @@ cleanup_module(void)
 			clear_requested_irq( ip2config.irq[i]);
 		}
 	}
-	class_simple_destroy(ip2_class);
+	class_destroy(ip2_class);
 	devfs_remove("ip2");
 	if ( ( err = tty_unregister_driver ( ip2_tty_driver ) ) ) {
 		printk(KERN_ERR "IP2: failed to unregister tty driver (%d)\n", err);
@@ -700,7 +700,7 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize)
 		printk(KERN_ERR "IP2: failed to register IPL device (%d)\n", err );
 	} else {
 		/* create the sysfs class */
-		ip2_class = class_simple_create(THIS_MODULE, "ip2");
+		ip2_class = class_create(THIS_MODULE, "ip2");
 		if (IS_ERR(ip2_class)) {
 			err = PTR_ERR(ip2_class);
 			goto out_chrdev;	
@@ -722,25 +722,25 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize)
 			}
 
 			if ( NULL != ( pB = i2BoardPtrTable[i] ) ) {
-				class_simple_device_add(ip2_class, MKDEV(IP2_IPL_MAJOR, 
+				class_device_create(ip2_class, MKDEV(IP2_IPL_MAJOR,
 						4 * i), NULL, "ipl%d", i);
 				err = devfs_mk_cdev(MKDEV(IP2_IPL_MAJOR, 4 * i),
 						S_IRUSR | S_IWUSR | S_IRGRP | S_IFCHR,
 						"ip2/ipl%d", i);
 				if (err) {
-					class_simple_device_remove(MKDEV(IP2_IPL_MAJOR, 
-						4 * i));
+					class_device_destroy(ip2_class,
+						MKDEV(IP2_IPL_MAJOR, 4 * i));
 					goto out_class;
 				}
 
-				class_simple_device_add(ip2_class, MKDEV(IP2_IPL_MAJOR, 
+				class_device_create(ip2_class, MKDEV(IP2_IPL_MAJOR,
 						4 * i + 1), NULL, "stat%d", i);
 				err = devfs_mk_cdev(MKDEV(IP2_IPL_MAJOR, 4 * i + 1),
 						S_IRUSR | S_IWUSR | S_IRGRP | S_IFCHR,
 						"ip2/stat%d", i);
 				if (err) {
-					class_simple_device_remove(MKDEV(IP2_IPL_MAJOR, 
-						4 * i + 1));
+					class_device_destroy(ip2_class,
+						MKDEV(IP2_IPL_MAJOR, 4 * i + 1));
 					goto out_class;
 				}
 
@@ -798,7 +798,7 @@ retry:
 	goto out;
 
 out_class:
-	class_simple_destroy(ip2_class);
+	class_destroy(ip2_class);
 out_chrdev:
 	unregister_chrdev(IP2_IPL_MAJOR, "ip2");
 out:
@@ -2691,16 +2691,6 @@ no_xon:
 		pCh->flags	|= ASYNC_CHECK_CD;
 	}
 
-#ifdef XXX
-do_flags_thing:	// This is a test, we don't do the flags thing
-	
-	if ( (cflag & CRTSCTS) ) {
-		cflag |= 014000000000;
-	}
-	i2QueueCommands(PTYPE_BYPASS, pCh, 100, 1, 
-				CMD_UNIX_FLAGS(iflag,cflag,lflag));
-#endif
-		
 service_it:
 	i2DrainOutput( pCh, 100 );		
 }
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index 6dc765d..e0a5357 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -45,6 +45,7 @@
 #include <asm/semaphore.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/compat.h>
 
 #define IPMI_DEVINTF_VERSION "v33"
 
@@ -500,10 +501,205 @@ static int ipmi_ioctl(struct inode  *inode,
 	return rv;
 }
 
+#ifdef CONFIG_COMPAT
+
+/*
+ * The following code contains code for supporting 32-bit compatible
+ * ioctls on 64-bit kernels.  This allows running 32-bit apps on the
+ * 64-bit kernel
+ */
+#define COMPAT_IPMICTL_SEND_COMMAND	\
+	_IOR(IPMI_IOC_MAGIC, 13, struct compat_ipmi_req)
+#define COMPAT_IPMICTL_SEND_COMMAND_SETTIME	\
+	_IOR(IPMI_IOC_MAGIC, 21, struct compat_ipmi_req_settime)
+#define COMPAT_IPMICTL_RECEIVE_MSG	\
+	_IOWR(IPMI_IOC_MAGIC, 12, struct compat_ipmi_recv)
+#define COMPAT_IPMICTL_RECEIVE_MSG_TRUNC	\
+	_IOWR(IPMI_IOC_MAGIC, 11, struct compat_ipmi_recv)
+
+struct compat_ipmi_msg {
+	u8		netfn;
+	u8		cmd;
+	u16		data_len;
+	compat_uptr_t	data;
+};
+
+struct compat_ipmi_req {
+	compat_uptr_t		addr;
+	compat_uint_t		addr_len;
+	compat_long_t		msgid;
+	struct compat_ipmi_msg	msg;
+};
+
+struct compat_ipmi_recv {
+	compat_int_t		recv_type;
+	compat_uptr_t		addr;
+	compat_uint_t		addr_len;
+	compat_long_t		msgid;
+	struct compat_ipmi_msg	msg;
+};
+
+struct compat_ipmi_req_settime {
+	struct compat_ipmi_req	req;
+	compat_int_t		retries;
+	compat_uint_t		retry_time_ms;
+};
+
+/*
+ * Define some helper functions for copying IPMI data
+ */
+static long get_compat_ipmi_msg(struct ipmi_msg *p64,
+				struct compat_ipmi_msg __user *p32)
+{
+	compat_uptr_t tmp;
+
+	if (!access_ok(VERIFY_READ, p32, sizeof(*p32)) ||
+			__get_user(p64->netfn, &p32->netfn) ||
+			__get_user(p64->cmd, &p32->cmd) ||
+			__get_user(p64->data_len, &p32->data_len) ||
+			__get_user(tmp, &p32->data))
+		return -EFAULT;
+	p64->data = compat_ptr(tmp);
+	return 0;
+}
+
+static long put_compat_ipmi_msg(struct ipmi_msg *p64,
+				struct compat_ipmi_msg __user *p32)
+{
+	if (!access_ok(VERIFY_WRITE, p32, sizeof(*p32)) ||
+			__put_user(p64->netfn, &p32->netfn) ||
+			__put_user(p64->cmd, &p32->cmd) ||
+			__put_user(p64->data_len, &p32->data_len))
+		return -EFAULT;
+	return 0;
+}
+
+static long get_compat_ipmi_req(struct ipmi_req *p64,
+				struct compat_ipmi_req __user *p32)
+{
+
+	compat_uptr_t	tmp;
+
+	if (!access_ok(VERIFY_READ, p32, sizeof(*p32)) ||
+			__get_user(tmp, &p32->addr) ||
+			__get_user(p64->addr_len, &p32->addr_len) ||
+			__get_user(p64->msgid, &p32->msgid) ||
+			get_compat_ipmi_msg(&p64->msg, &p32->msg))
+		return -EFAULT;
+	p64->addr = compat_ptr(tmp);
+	return 0;
+}
+
+static long get_compat_ipmi_req_settime(struct ipmi_req_settime *p64,
+		struct compat_ipmi_req_settime __user *p32)
+{
+	if (!access_ok(VERIFY_READ, p32, sizeof(*p32)) ||
+			get_compat_ipmi_req(&p64->req, &p32->req) ||
+			__get_user(p64->retries, &p32->retries) ||
+			__get_user(p64->retry_time_ms, &p32->retry_time_ms))
+		return -EFAULT;
+	return 0;
+}
+
+static long get_compat_ipmi_recv(struct ipmi_recv *p64,
+				 struct compat_ipmi_recv __user *p32)
+{
+	compat_uptr_t tmp;
+
+	if (!access_ok(VERIFY_READ, p32, sizeof(*p32)) ||
+			__get_user(p64->recv_type, &p32->recv_type) ||
+			__get_user(tmp, &p32->addr) ||
+			__get_user(p64->addr_len, &p32->addr_len) ||
+			__get_user(p64->msgid, &p32->msgid) ||
+			get_compat_ipmi_msg(&p64->msg, &p32->msg))
+		return -EFAULT;
+	p64->addr = compat_ptr(tmp);
+	return 0;
+}
+
+static long put_compat_ipmi_recv(struct ipmi_recv *p64,
+				 struct compat_ipmi_recv __user *p32)
+{
+	if (!access_ok(VERIFY_WRITE, p32, sizeof(*p32)) ||
+			__put_user(p64->recv_type, &p32->recv_type) ||
+			__put_user(p64->addr_len, &p32->addr_len) ||
+			__put_user(p64->msgid, &p32->msgid) ||
+			put_compat_ipmi_msg(&p64->msg, &p32->msg))
+		return -EFAULT;
+	return 0;
+}
+
+/*
+ * Handle compatibility ioctls
+ */
+static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
+			      unsigned long arg)
+{
+	int rc;
+	struct ipmi_file_private *priv = filep->private_data;
+
+	switch(cmd) {
+	case COMPAT_IPMICTL_SEND_COMMAND:
+	{
+		struct ipmi_req	rp;
+
+		if (get_compat_ipmi_req(&rp, compat_ptr(arg)))
+			return -EFAULT;
+
+		return handle_send_req(priv->user, &rp,
+				priv->default_retries,
+				priv->default_retry_time_ms);
+	}
+	case COMPAT_IPMICTL_SEND_COMMAND_SETTIME:
+	{
+		struct ipmi_req_settime	sp;
+
+		if (get_compat_ipmi_req_settime(&sp, compat_ptr(arg)))
+			return -EFAULT;
+
+		return handle_send_req(priv->user, &sp.req,
+				sp.retries, sp.retry_time_ms);
+	}
+	case COMPAT_IPMICTL_RECEIVE_MSG:
+	case COMPAT_IPMICTL_RECEIVE_MSG_TRUNC:
+	{
+		struct ipmi_recv   *precv64, recv64;
+
+		if (get_compat_ipmi_recv(&recv64, compat_ptr(arg)))
+			return -EFAULT;
+
+		precv64 = compat_alloc_user_space(sizeof(recv64));
+		if (copy_to_user(precv64, &recv64, sizeof(recv64)))
+			return -EFAULT;
+
+		rc = ipmi_ioctl(filep->f_dentry->d_inode, filep,
+				((cmd == COMPAT_IPMICTL_RECEIVE_MSG)
+				 ? IPMICTL_RECEIVE_MSG
+				 : IPMICTL_RECEIVE_MSG_TRUNC),
+				(long) precv64);
+		if (rc != 0)
+			return rc;
+
+		if (copy_from_user(&recv64, precv64, sizeof(recv64)))
+			return -EFAULT;
+
+		if (put_compat_ipmi_recv(&recv64, compat_ptr(arg)))
+			return -EFAULT;
+
+		return rc;
+	}
+	default:
+		return ipmi_ioctl(filep->f_dentry->d_inode, filep, cmd, arg);
+	}
+}
+#endif
 
 static struct file_operations ipmi_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= ipmi_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl   = compat_ipmi_ioctl,
+#endif
 	.open		= ipmi_open,
 	.release	= ipmi_release,
 	.fasync		= ipmi_fasync,
@@ -520,7 +716,7 @@ MODULE_PARM_DESC(ipmi_major, "Sets the major number of the IPMI device.  By"
 		 " interface.  Other values will set the major device number"
 		 " to that value.");
 
-static struct class_simple *ipmi_class;
+static struct class *ipmi_class;
 
 static void ipmi_new_smi(int if_num)
 {
@@ -529,12 +725,12 @@ static void ipmi_new_smi(int if_num)
 	devfs_mk_cdev(dev, S_IFCHR | S_IRUSR | S_IWUSR,
 		      "ipmidev/%d", if_num);
 
-	class_simple_device_add(ipmi_class, dev, NULL, "ipmi%d", if_num);
+	class_device_create(ipmi_class, dev, NULL, "ipmi%d", if_num);
 }
 
 static void ipmi_smi_gone(int if_num)
 {
-	class_simple_device_remove(MKDEV(ipmi_major, if_num));
+	class_device_destroy(ipmi_class, MKDEV(ipmi_major, if_num));
 	devfs_remove("ipmidev/%d", if_num);
 }
 
@@ -555,7 +751,7 @@ static __init int init_ipmi_devintf(void)
 	printk(KERN_INFO "ipmi device interface version "
 	       IPMI_DEVINTF_VERSION "\n");
 
-	ipmi_class = class_simple_create(THIS_MODULE, "ipmi");
+	ipmi_class = class_create(THIS_MODULE, "ipmi");
 	if (IS_ERR(ipmi_class)) {
 		printk(KERN_ERR "ipmi: can't register device class\n");
 		return PTR_ERR(ipmi_class);
@@ -563,7 +759,7 @@ static __init int init_ipmi_devintf(void)
 
 	rv = register_chrdev(ipmi_major, DEVICE_NAME, &ipmi_fops);
 	if (rv < 0) {
-		class_simple_destroy(ipmi_class);
+		class_destroy(ipmi_class);
 		printk(KERN_ERR "ipmi: can't get major %d\n", ipmi_major);
 		return rv;
 	}
@@ -577,7 +773,7 @@ static __init int init_ipmi_devintf(void)
 	rv = ipmi_smi_watcher_register(&smi_watcher);
 	if (rv) {
 		unregister_chrdev(ipmi_major, DEVICE_NAME);
-		class_simple_destroy(ipmi_class);
+		class_destroy(ipmi_class);
 		printk(KERN_WARNING "ipmi: can't register smi watcher\n");
 		return rv;
 	}
@@ -588,7 +784,7 @@ module_init(init_ipmi_devintf);
 
 static __exit void cleanup_ipmi(void)
 {
-	class_simple_destroy(ipmi_class);
+	class_destroy(ipmi_class);
 	ipmi_smi_watcher_unregister(&smi_watcher);
 	devfs_remove(DEVICE_NAME);
 	unregister_chrdev(ipmi_major, DEVICE_NAME);
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index d7fb452..e16c13f 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -54,7 +54,9 @@ static int ipmi_init_msghandler(void);
 
 static int initialized = 0;
 
-static struct proc_dir_entry *proc_ipmi_root = NULL;
+#ifdef CONFIG_PROC_FS
+struct proc_dir_entry *proc_ipmi_root = NULL;
+#endif /* CONFIG_PROC_FS */
 
 #define MAX_EVENTS_IN_QUEUE	25
 
@@ -124,11 +126,13 @@ struct ipmi_channel
 	unsigned char protocol;
 };
 
+#ifdef CONFIG_PROC_FS
 struct ipmi_proc_entry
 {
 	char                   *name;
 	struct ipmi_proc_entry *next;
 };
+#endif
 
 #define IPMI_IPMB_NUM_SEQ	64
 #define IPMI_MAX_CHANNELS       8
@@ -156,10 +160,13 @@ struct ipmi_smi
 	struct ipmi_smi_handlers *handlers;
 	void                     *send_info;
 
+#ifdef CONFIG_PROC_FS
 	/* A list of proc entries for this interface.  This does not
 	   need a lock, only one thread creates it and only one thread
 	   destroys it. */
+	spinlock_t             proc_entry_lock;
 	struct ipmi_proc_entry *proc_entries;
+#endif
 
 	/* A table of sequence numbers for this interface.  We use the
            sequence numbers for IPMB messages that go out of the
@@ -641,7 +648,7 @@ int ipmi_create_user(unsigned int          if_num,
 		return -ENOMEM;
 
 	down_read(&interfaces_sem);
-	if ((if_num > MAX_IPMI_INTERFACES) || ipmi_interfaces[if_num] == NULL)
+	if ((if_num >= MAX_IPMI_INTERFACES) || ipmi_interfaces[if_num] == NULL)
 	{
 		rv = -EINVAL;
 		goto out_unlock;
@@ -1081,8 +1088,8 @@ static inline int i_ipmi_request(ipmi_user_t          user,
 		long                  seqid;
 		int                   broadcast = 0;
 
-		if (addr->channel > IPMI_NUM_CHANNELS) {
-			spin_lock_irqsave(&intf->counter_lock, flags);
+		if (addr->channel >= IPMI_MAX_CHANNELS) {
+		        spin_lock_irqsave(&intf->counter_lock, flags);
 			intf->sent_invalid_commands++;
 			spin_unlock_irqrestore(&intf->counter_lock, flags);
 			rv = -EINVAL;
@@ -1470,8 +1477,9 @@ int ipmi_smi_add_proc_entry(ipmi_smi_t smi, char *name,
 			    read_proc_t *read_proc, write_proc_t *write_proc,
 			    void *data, struct module *owner)
 {
-	struct proc_dir_entry  *file;
 	int                    rv = 0;
+#ifdef CONFIG_PROC_FS
+	struct proc_dir_entry  *file;
 	struct ipmi_proc_entry *entry;
 
 	/* Create a list element. */
@@ -1497,10 +1505,13 @@ int ipmi_smi_add_proc_entry(ipmi_smi_t smi, char *name,
 		file->write_proc = write_proc;
 		file->owner = owner;
 
+		spin_lock(&smi->proc_entry_lock);
 		/* Stick it on the list. */
 		entry->next = smi->proc_entries;
 		smi->proc_entries = entry;
+		spin_unlock(&smi->proc_entry_lock);
 	}
+#endif /* CONFIG_PROC_FS */
 
 	return rv;
 }
@@ -1509,6 +1520,7 @@ static int add_proc_entries(ipmi_smi_t smi, int num)
 {
 	int rv = 0;
 
+#ifdef CONFIG_PROC_FS
 	sprintf(smi->proc_dir_name, "%d", num);
 	smi->proc_dir = proc_mkdir(smi->proc_dir_name, proc_ipmi_root);
 	if (!smi->proc_dir)
@@ -1531,14 +1543,17 @@ static int add_proc_entries(ipmi_smi_t smi, int num)
 		rv = ipmi_smi_add_proc_entry(smi, "version",
 					     version_file_read_proc, NULL,
 					     smi, THIS_MODULE);
+#endif /* CONFIG_PROC_FS */
 
 	return rv;
 }
 
 static void remove_proc_entries(ipmi_smi_t smi)
 {
+#ifdef CONFIG_PROC_FS
 	struct ipmi_proc_entry *entry;
 
+	spin_lock(&smi->proc_entry_lock);
 	while (smi->proc_entries) {
 		entry = smi->proc_entries;
 		smi->proc_entries = entry->next;
@@ -1547,7 +1562,9 @@ static void remove_proc_entries(ipmi_smi_t smi)
 		kfree(entry->name);
 		kfree(entry);
 	}
+	spin_unlock(&smi->proc_entry_lock);
 	remove_proc_entry(smi->proc_dir_name, proc_ipmi_root);
+#endif /* CONFIG_PROC_FS */
 }
 
 static int
@@ -1694,6 +1711,9 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers,
 				new_intf->seq_table[j].seqid = 0;
 			}
 			new_intf->curr_seq = 0;
+#ifdef CONFIG_PROC_FS
+			spin_lock_init(&(new_intf->proc_entry_lock));
+#endif
 			spin_lock_init(&(new_intf->waiting_msgs_lock));
 			INIT_LIST_HEAD(&(new_intf->waiting_msgs));
 			spin_lock_init(&(new_intf->events_lock));
@@ -2747,16 +2767,13 @@ static struct timer_list ipmi_timer;
    the queue and this silliness can go away. */
 #define IPMI_REQUEST_EV_TIME	(1000 / (IPMI_TIMEOUT_TIME))
 
-static volatile int stop_operation = 0;
-static volatile int timer_stopped = 0;
+static atomic_t stop_operation;
 static unsigned int ticks_to_req_ev = IPMI_REQUEST_EV_TIME;
 
 static void ipmi_timeout(unsigned long data)
 {
-	if (stop_operation) {
-		timer_stopped = 1;
+	if (atomic_read(&stop_operation))
 		return;
-	}
 
 	ticks_to_req_ev--;
 	if (ticks_to_req_ev == 0) {
@@ -2766,8 +2783,7 @@ static void ipmi_timeout(unsigned long data)
 
 	ipmi_timeout_handler(IPMI_TIMEOUT_TIME);
 
-	ipmi_timer.expires += IPMI_TIMEOUT_JIFFIES;
-	add_timer(&ipmi_timer);
+	mod_timer(&ipmi_timer, jiffies + IPMI_TIMEOUT_JIFFIES);
 }
 
 
@@ -3089,6 +3105,7 @@ static int ipmi_init_msghandler(void)
 		ipmi_interfaces[i] = NULL;
 	}
 
+#ifdef CONFIG_PROC_FS
 	proc_ipmi_root = proc_mkdir("ipmi", NULL);
 	if (!proc_ipmi_root) {
 	    printk(KERN_ERR PFX "Unable to create IPMI proc dir");
@@ -3096,6 +3113,7 @@ static int ipmi_init_msghandler(void)
 	}
 
 	proc_ipmi_root->owner = THIS_MODULE;
+#endif /* CONFIG_PROC_FS */
 
 	init_timer(&ipmi_timer);
 	ipmi_timer.data = 0;
@@ -3130,13 +3148,12 @@ static __exit void cleanup_ipmi(void)
 
 	/* Tell the timer to stop, then wait for it to stop.  This avoids
 	   problems with race conditions removing the timer here. */
-	stop_operation = 1;
-	while (!timer_stopped) {
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(1);
-	}
+	atomic_inc(&stop_operation);
+	del_timer_sync(&ipmi_timer);
 
+#ifdef CONFIG_PROC_FS
 	remove_proc_entry(proc_ipmi_root->name, &proc_root);
+#endif /* CONFIG_PROC_FS */
 
 	initialized = 0;
 
@@ -3177,4 +3194,5 @@ EXPORT_SYMBOL(ipmi_get_my_address);
 EXPORT_SYMBOL(ipmi_set_my_LUN);
 EXPORT_SYMBOL(ipmi_get_my_LUN);
 EXPORT_SYMBOL(ipmi_smi_add_proc_entry);
+EXPORT_SYMBOL(proc_ipmi_root);
 EXPORT_SYMBOL(ipmi_user_set_run_to_completion);
diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c
index cb5cdc6..f951c30 100644
--- a/drivers/char/ipmi/ipmi_poweroff.c
+++ b/drivers/char/ipmi/ipmi_poweroff.c
@@ -31,10 +31,13 @@
  *  with this program; if not, write to the Free Software Foundation, Inc.,
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
-#include <asm/semaphore.h>
-#include <linux/kdev_t.h>
+#include <linux/config.h>
 #include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/proc_fs.h>
 #include <linux/string.h>
+#include <linux/completion.h>
+#include <linux/kdev_t.h>
 #include <linux/ipmi.h>
 #include <linux/ipmi_smi.h>
 
@@ -44,6 +47,18 @@
 /* Where to we insert our poweroff function? */
 extern void (*pm_power_off)(void);
 
+/* Definitions for controlling power off (if the system supports it).  It
+ * conveniently matches the IPMI chassis control values. */
+#define IPMI_CHASSIS_POWER_DOWN		0	/* power down, the default. */
+#define IPMI_CHASSIS_POWER_CYCLE	0x02	/* power cycle */
+
+/* the IPMI data command */
+static int poweroff_control = IPMI_CHASSIS_POWER_DOWN;
+
+/* parameter definition to allow user to flag power cycle */
+module_param(poweroff_control, int, IPMI_CHASSIS_POWER_DOWN);
+MODULE_PARM_DESC(poweroff_control, " Set to 2 to enable power cycle instead of power down. Power cycle is contingent on hardware support, otherwise it defaults back to power down.");
+
 /* Stuff from the get device id command. */
 static unsigned int mfg_id;
 static unsigned int prod_id;
@@ -75,10 +90,10 @@ static struct ipmi_recv_msg halt_recv_msg =
 
 static void receive_handler(struct ipmi_recv_msg *recv_msg, void *handler_data)
 {
-	struct semaphore *sem = recv_msg->user_msg_data;
+	struct completion *comp = recv_msg->user_msg_data;
 
-	if (sem)
-		up(sem);
+	if (comp)
+		complete(comp);
 }
 
 static struct ipmi_user_hndl ipmi_poweroff_handler =
@@ -91,27 +106,27 @@ static int ipmi_request_wait_for_response(ipmi_user_t            user,
 					  struct ipmi_addr       *addr,
 					  struct kernel_ipmi_msg *send_msg)
 {
-	int              rv;
-	struct semaphore sem;
+	int               rv;
+	struct completion comp;
 
-	sema_init (&sem, 0);
+	init_completion(&comp);
 
-	rv = ipmi_request_supply_msgs(user, addr, 0, send_msg, &sem,
+	rv = ipmi_request_supply_msgs(user, addr, 0, send_msg, &comp,
 				      &halt_smi_msg, &halt_recv_msg, 0);
 	if (rv)
 		return rv;
 
-	down (&sem);
+	wait_for_completion(&comp);
 
 	return halt_recv_msg.msg.data[0];
 }
 
-/* We are in run-to-completion mode, no semaphore is desired. */
+/* We are in run-to-completion mode, no completion is desired. */
 static int ipmi_request_in_rc_mode(ipmi_user_t            user,
 				   struct ipmi_addr       *addr,
 				   struct kernel_ipmi_msg *send_msg)
 {
-	int              rv;
+	int rv;
 
 	rv = ipmi_request_supply_msgs(user, addr, 0, send_msg, NULL,
 				      &halt_smi_msg, &halt_recv_msg, 0);
@@ -349,26 +364,38 @@ static void ipmi_poweroff_chassis (ipmi_user_t user)
         smi_addr.channel = IPMI_BMC_CHANNEL;
         smi_addr.lun = 0;
 
-	printk(KERN_INFO PFX "Powering down via IPMI chassis control command\n");
+ powercyclefailed:
+	printk(KERN_INFO PFX "Powering %s via IPMI chassis control command\n",
+		((poweroff_control != IPMI_CHASSIS_POWER_CYCLE) ? "down" : "cycle"));
 
 	/*
 	 * Power down
 	 */
 	send_msg.netfn = IPMI_NETFN_CHASSIS_REQUEST;
 	send_msg.cmd = IPMI_CHASSIS_CONTROL_CMD;
-	data[0] = 0; /* Power down */
+	data[0] = poweroff_control;
 	send_msg.data = data;
 	send_msg.data_len = sizeof(data);
 	rv = ipmi_request_in_rc_mode(user,
 				     (struct ipmi_addr *) &smi_addr,
 				     &send_msg);
 	if (rv) {
-		printk(KERN_ERR PFX "Unable to send chassis powerdown message,"
-		       " IPMI error 0x%x\n", rv);
-		goto out;
+		switch (poweroff_control) {
+			case IPMI_CHASSIS_POWER_CYCLE:
+				/* power cycle failed, default to power down */
+				printk(KERN_ERR PFX "Unable to send chassis power " \
+					"cycle message, IPMI error 0x%x\n", rv);
+				poweroff_control = IPMI_CHASSIS_POWER_DOWN;
+				goto powercyclefailed;
+
+			case IPMI_CHASSIS_POWER_DOWN:
+			default:
+				printk(KERN_ERR PFX "Unable to send chassis power " \
+					"down message, IPMI error 0x%x\n", rv);
+				break;
+		}
 	}
 
- out:
 	return;
 }
 
@@ -430,7 +457,8 @@ static void ipmi_po_new_smi(int if_num)
 	if (ready)
 		return;
 
-	rv = ipmi_create_user(if_num, &ipmi_poweroff_handler, NULL, &ipmi_user);
+	rv = ipmi_create_user(if_num, &ipmi_poweroff_handler, NULL,
+			      &ipmi_user);
 	if (rv) {
 		printk(KERN_ERR PFX "could not create IPMI user, error %d\n",
 		       rv);
@@ -509,21 +537,84 @@ static struct ipmi_smi_watcher smi_watcher =
 };
 
 
+#ifdef CONFIG_PROC_FS
+/* displays properties to proc */
+static int proc_read_chassctrl(char *page, char **start, off_t off, int count,
+			       int *eof, void *data)
+{
+	return sprintf(page, "%d\t[ 0=powerdown 2=powercycle ]\n",
+			poweroff_control);
+}
+
+/* process property writes from proc */
+static int proc_write_chassctrl(struct file *file, const char *buffer,
+			        unsigned long count, void *data)
+{
+	int          rv = count;
+	unsigned int newval = 0;
+
+	sscanf(buffer, "%d", &newval);
+	switch (newval) {
+		case IPMI_CHASSIS_POWER_CYCLE:
+			printk(KERN_INFO PFX "power cycle is now enabled\n");
+			poweroff_control = newval;
+			break;
+
+		case IPMI_CHASSIS_POWER_DOWN:
+			poweroff_control = IPMI_CHASSIS_POWER_DOWN;
+			break;
+
+		default:
+			rv = -EINVAL;
+			break;
+	}
+
+	return rv;
+}
+#endif /* CONFIG_PROC_FS */
+
 /*
  * Startup and shutdown functions.
  */
 static int ipmi_poweroff_init (void)
 {
-	int rv;
+	int                   rv;
+	struct proc_dir_entry *file;
 
 	printk ("Copyright (C) 2004 MontaVista Software -"
 		" IPMI Powerdown via sys_reboot version "
 		IPMI_POWEROFF_VERSION ".\n");
 
+	switch (poweroff_control) {
+		case IPMI_CHASSIS_POWER_CYCLE:
+			printk(KERN_INFO PFX "Power cycle is enabled.\n");
+			break;
+
+		case IPMI_CHASSIS_POWER_DOWN:
+		default:
+			poweroff_control = IPMI_CHASSIS_POWER_DOWN;
+			break;
+	}
+
 	rv = ipmi_smi_watcher_register(&smi_watcher);
-	if (rv)
+	if (rv) {
 		printk(KERN_ERR PFX "Unable to register SMI watcher: %d\n", rv);
+		goto out_err;
+	}
+
+#ifdef CONFIG_PROC_FS
+	file = create_proc_entry("poweroff_control", 0, proc_ipmi_root);
+	if (!file) {
+		printk(KERN_ERR PFX "Unable to create proc power control\n");
+	} else {
+		file->nlink = 1;
+		file->read_proc = proc_read_chassctrl;
+		file->write_proc = proc_write_chassctrl;
+		file->owner = THIS_MODULE;
+	}
+#endif
 
+ out_err:
 	return rv;
 }
 
@@ -532,6 +623,10 @@ static __exit void ipmi_poweroff_cleanup(void)
 {
 	int rv;
 
+#ifdef CONFIG_PROC_FS
+	remove_proc_entry("poweroff_control", proc_ipmi_root);
+#endif
+
 	ipmi_smi_watcher_unregister(&smi_watcher);
 
 	if (ready) {
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 298574e..a44b973 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1726,7 +1726,7 @@ static int dmi_table(u32 base, int len, int num)
 	return status;
 }
 
-inline static int dmi_checksum(u8 *buf)
+static inline int dmi_checksum(u8 *buf)
 {
 	u8   sum=0;
 	int  a;
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index fcd1c02..d35a953 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -131,11 +131,7 @@
 #define	WDIOC_GET_PRETIMEOUT     _IOW(WATCHDOG_IOCTL_BASE, 22, int)
 #endif
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout;
-#endif
+static int nowayout = WATCHDOG_NOWAYOUT;
 
 static ipmi_user_t watchdog_user = NULL;
 
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 601c7fc..1bbf507 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -1756,7 +1756,7 @@ static void isicom_flush_buffer(struct tty_struct * tty)
 }
 
 
-static int __init register_ioregion(void)
+static int __devinit register_ioregion(void)
 {
 	int count, done=0;
 	for (count=0; count < BOARD_COUNT; count++ ) {
@@ -1771,7 +1771,7 @@ static int __init register_ioregion(void)
 	return done;
 }
 
-static void __exit unregister_ioregion(void)
+static void unregister_ioregion(void)
 {
 	int count;
 	for (count=0; count < BOARD_COUNT; count++ ) 
@@ -1803,7 +1803,7 @@ static struct tty_operations isicom_ops = {
 	.tiocmset	= isicom_tiocmset,
 };
 
-static int __init register_drivers(void)
+static int __devinit register_drivers(void)
 {
 	int error;
 
@@ -1834,7 +1834,7 @@ static int __init register_drivers(void)
 	return 0;
 }
 
-static void __exit unregister_drivers(void)
+static void unregister_drivers(void)
 {
 	int error = tty_unregister_driver(isicom_normal);
 	if (error)
@@ -1842,7 +1842,7 @@ static void __exit unregister_drivers(void)
 	put_tty_driver(isicom_normal);
 }
 
-static int __init register_isr(void)
+static int __devinit register_isr(void)
 {
 	int count, done=0;
 	unsigned long irqflags;
@@ -1883,7 +1883,7 @@ static void __exit unregister_isr(void)
 	}
 }
 
-static int __init isicom_init(void)
+static int __devinit isicom_init(void)
 {
 	int card, channel, base;
 	struct isi_port * port;
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index 21aed0e..52a073e 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -407,7 +407,6 @@ static unsigned long	stli_eisamemprobeaddrs[] = {
 };
 
 static int	stli_eisamempsize = sizeof(stli_eisamemprobeaddrs) / sizeof(unsigned long);
-int		stli_eisaprobe = STLI_EISAPROBE;
 
 /*
  *	Define the Stallion PCI vendor and device IDs.
@@ -792,7 +791,7 @@ static int	stli_timeron;
 
 /*****************************************************************************/
 
-static struct class_simple *istallion_class;
+static struct class *istallion_class;
 
 #ifdef MODULE
 
@@ -854,10 +853,10 @@ static void __exit istallion_module_exit(void)
 	put_tty_driver(stli_serial);
 	for (i = 0; i < 4; i++) {
 		devfs_remove("staliomem/%d", i);
-		class_simple_device_remove(MKDEV(STL_SIOMEMMAJOR, i));
+		class_device_destroy(istallion_class, MKDEV(STL_SIOMEMMAJOR, i));
 	}
 	devfs_remove("staliomem");
-	class_simple_destroy(istallion_class);
+	class_destroy(istallion_class);
 	if ((i = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem")))
 		printk("STALLION: failed to un-register serial memory device, "
 			"errno=%d\n", -i);
@@ -4685,7 +4684,7 @@ static int stli_initbrds(void)
 #ifdef MODULE
 	stli_argbrds();
 #endif
-	if (stli_eisaprobe)
+	if (STLI_EISAPROBE)
 		stli_findeisabrds();
 #ifdef CONFIG_PCI
 	stli_findpcibrds();
@@ -5242,12 +5241,12 @@ int __init stli_init(void)
 				"device\n");
 
 	devfs_mk_dir("staliomem");
-	istallion_class = class_simple_create(THIS_MODULE, "staliomem");
+	istallion_class = class_create(THIS_MODULE, "staliomem");
 	for (i = 0; i < 4; i++) {
 		devfs_mk_cdev(MKDEV(STL_SIOMEMMAJOR, i),
 			       S_IFCHR | S_IRUSR | S_IWUSR,
 			       "staliomem/%d", i);
-		class_simple_device_add(istallion_class, MKDEV(STL_SIOMEMMAJOR, i), 
+		class_device_create(istallion_class, MKDEV(STL_SIOMEMMAJOR, i),
 				NULL, "staliomem%d", i);
 	}
 
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 7b19e02..523fd3c 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -198,10 +198,10 @@ int setkeycode(unsigned int scancode, unsigned int keycode)
 
 	if (scancode >= dev->keycodemax)
 		return -EINVAL;
-	if (keycode > KEY_MAX)
-		return -EINVAL;
 	if (keycode < 0 || keycode > KEY_MAX)
 		return -EINVAL;
+	if (keycode >> (dev->keycodesize * 8))
+		return -EINVAL;
 
 	oldkey = SET_INPUT_KEYCODE(dev, scancode, keycode);
 
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 4dee945..59eebe5 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -146,7 +146,7 @@
 static struct lp_struct lp_table[LP_NO];
 
 static unsigned int lp_count = 0;
-static struct class_simple *lp_class;
+static struct class *lp_class;
 
 #ifdef CONFIG_LP_CONSOLE
 static struct parport *console_registered; // initially NULL
@@ -804,7 +804,7 @@ static int lp_register(int nr, struct parport *port)
 	if (reset)
 		lp_reset(nr);
 
-	class_simple_device_add(lp_class, MKDEV(LP_MAJOR, nr), NULL,
+	class_device_create(lp_class, MKDEV(LP_MAJOR, nr), NULL,
 				"lp%d", nr);
 	devfs_mk_cdev(MKDEV(LP_MAJOR, nr), S_IFCHR | S_IRUGO | S_IWUGO,
 			"printers/%d", nr);
@@ -907,7 +907,7 @@ static int __init lp_init (void)
 	}
 
 	devfs_mk_dir("printers");
-	lp_class = class_simple_create(THIS_MODULE, "printer");
+	lp_class = class_create(THIS_MODULE, "printer");
 	if (IS_ERR(lp_class)) {
 		err = PTR_ERR(lp_class);
 		goto out_devfs;
@@ -930,7 +930,7 @@ static int __init lp_init (void)
 	return 0;
 
 out_class:
-	class_simple_destroy(lp_class);
+	class_destroy(lp_class);
 out_devfs:
 	devfs_remove("printers");
 	unregister_chrdev(LP_MAJOR, "lp");
@@ -981,10 +981,10 @@ static void lp_cleanup_module (void)
 			continue;
 		parport_unregister_device(lp_table[offset].dev);
 		devfs_remove("printers/%d", offset);
-		class_simple_device_remove(MKDEV(LP_MAJOR, offset));
+		class_device_destroy(lp_class, MKDEV(LP_MAJOR, offset));
 	}
 	devfs_remove("printers");
-	class_simple_destroy(lp_class);
+	class_destroy(lp_class);
 }
 
 __setup("lp=", lp_setup);
diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index ac9cfa9..115dbb3 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -699,7 +699,7 @@ static inline int mbcs_hw_init(struct mbcs_soft *soft)
 	return 0;
 }
 
-static ssize_t show_algo(struct device *dev, char *buf)
+static ssize_t show_algo(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct cx_dev *cx_dev = to_cx_dev(dev);
 	struct mbcs_soft *soft = cx_dev->soft;
@@ -715,7 +715,7 @@ static ssize_t show_algo(struct device *dev, char *buf)
 		       (debug0 >> 32), (debug0 & 0xffffffff));
 }
 
-static ssize_t store_algo(struct device *dev, const char *buf, size_t count)
+static ssize_t store_algo(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	int n;
 	struct cx_dev *cx_dev = to_cx_dev(dev);
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 947cb3c..850a78c 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -23,7 +23,10 @@
 #include <linux/devfs_fs_kernel.h>
 #include <linux/ptrace.h>
 #include <linux/device.h>
+#include <linux/highmem.h>
+#include <linux/crash_dump.h>
 #include <linux/backing-dev.h>
+#include <linux/bootmem.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -258,7 +261,11 @@ static int mmap_mem(struct file * file, struct vm_area_struct * vma)
 
 static int mmap_kmem(struct file * file, struct vm_area_struct * vma)
 {
-        unsigned long long val;
+	unsigned long pfn;
+
+	/* Turn a kernel-virtual address into a physical page frame */
+	pfn = __pa((u64)vma->vm_pgoff << PAGE_SHIFT) >> PAGE_SHIFT;
+
 	/*
 	 * RED-PEN: on some architectures there is more mapped memory
 	 * than available in mem_map which pfn_valid checks
@@ -266,13 +273,47 @@ static int mmap_kmem(struct file * file, struct vm_area_struct * vma)
 	 *
 	 * RED-PEN: vmalloc is not supported right now.
 	 */
-	if (!pfn_valid(vma->vm_pgoff))
+	if (!pfn_valid(pfn))
 		return -EIO;
-	val = (u64)vma->vm_pgoff << PAGE_SHIFT;
-	vma->vm_pgoff = __pa(val) >> PAGE_SHIFT;
+
+	vma->vm_pgoff = pfn;
 	return mmap_mem(file, vma);
 }
 
+#ifdef CONFIG_CRASH_DUMP
+/*
+ * Read memory corresponding to the old kernel.
+ */
+static ssize_t read_oldmem(struct file *file, char __user *buf,
+				size_t count, loff_t *ppos)
+{
+	unsigned long pfn, offset;
+	size_t read = 0, csize;
+	int rc = 0;
+
+	while (count) {
+		pfn = *ppos / PAGE_SIZE;
+		if (pfn > saved_max_pfn)
+			return read;
+
+		offset = (unsigned long)(*ppos % PAGE_SIZE);
+		if (count > PAGE_SIZE - offset)
+			csize = PAGE_SIZE - offset;
+		else
+			csize = count;
+
+		rc = copy_oldmem_page(pfn, buf, csize, offset, 1);
+		if (rc < 0)
+			return rc;
+		buf += csize;
+		*ppos += csize;
+		read += csize;
+		count -= csize;
+	}
+	return read;
+}
+#endif
+
 extern long vread(char *buf, char *addr, unsigned long count);
 extern long vwrite(char *buf, char *addr, unsigned long count);
 
@@ -484,7 +525,7 @@ static ssize_t write_kmem(struct file * file, const char __user * buf,
  	return virtr + wrote;
 }
 
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI))
 static ssize_t read_port(struct file * file, char __user * buf,
 			 size_t count, loff_t *ppos)
 {
@@ -721,6 +762,7 @@ static int open_port(struct inode * inode, struct file * filp)
 #define read_full       read_zero
 #define open_mem	open_port
 #define open_kmem	open_mem
+#define open_oldmem	open_mem
 
 static struct file_operations mem_fops = {
 	.llseek		= memory_lseek,
@@ -744,7 +786,7 @@ static struct file_operations null_fops = {
 	.write		= write_null,
 };
 
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI))
 static struct file_operations port_fops = {
 	.llseek		= memory_lseek,
 	.read		= read_port,
@@ -770,6 +812,13 @@ static struct file_operations full_fops = {
 	.write		= write_full,
 };
 
+#ifdef CONFIG_CRASH_DUMP
+static struct file_operations oldmem_fops = {
+	.read	= read_oldmem,
+	.open	= open_oldmem,
+};
+#endif
+
 static ssize_t kmsg_write(struct file * file, const char __user * buf,
 			  size_t count, loff_t *ppos)
 {
@@ -804,7 +853,7 @@ static int memory_open(struct inode * inode, struct file * filp)
 		case 3:
 			filp->f_op = &null_fops;
 			break;
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI))
 		case 4:
 			filp->f_op = &port_fops;
 			break;
@@ -825,6 +874,11 @@ static int memory_open(struct inode * inode, struct file * filp)
 		case 11:
 			filp->f_op = &kmsg_fops;
 			break;
+#ifdef CONFIG_CRASH_DUMP
+		case 12:
+			filp->f_op = &oldmem_fops;
+			break;
+#endif
 		default:
 			return -ENXIO;
 	}
@@ -846,7 +900,7 @@ static const struct {
 	{1, "mem",     S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops},
 	{2, "kmem",    S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops},
 	{3, "null",    S_IRUGO | S_IWUGO,           &null_fops},
-#if defined(CONFIG_ISA) || !defined(__mc68000__)
+#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI))
 	{4, "port",    S_IRUSR | S_IWUSR | S_IRGRP, &port_fops},
 #endif
 	{5, "zero",    S_IRUGO | S_IWUGO,           &zero_fops},
@@ -854,9 +908,12 @@ static const struct {
 	{8, "random",  S_IRUGO | S_IWUSR,           &random_fops},
 	{9, "urandom", S_IRUGO | S_IWUSR,           &urandom_fops},
 	{11,"kmsg",    S_IRUGO | S_IWUSR,           &kmsg_fops},
+#ifdef CONFIG_CRASH_DUMP
+	{12,"oldmem",    S_IRUSR | S_IWUSR | S_IRGRP, &oldmem_fops},
+#endif
 };
 
-static struct class_simple *mem_class;
+static struct class *mem_class;
 
 static int __init chr_dev_init(void)
 {
@@ -865,10 +922,9 @@ static int __init chr_dev_init(void)
 	if (register_chrdev(MEM_MAJOR,"mem",&memory_fops))
 		printk("unable to get major %d for memory devs\n", MEM_MAJOR);
 
-	mem_class = class_simple_create(THIS_MODULE, "mem");
+	mem_class = class_create(THIS_MODULE, "mem");
 	for (i = 0; i < ARRAY_SIZE(devlist); i++) {
-		class_simple_device_add(mem_class,
-					MKDEV(MEM_MAJOR, devlist[i].minor),
+		class_device_create(mem_class, MKDEV(MEM_MAJOR, devlist[i].minor),
 					NULL, devlist[i].name);
 		devfs_mk_cdev(MKDEV(MEM_MAJOR, devlist[i].minor),
 				S_IFCHR | devlist[i].mode, devlist[i].name);
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 0937544..931efd5 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -66,8 +66,6 @@ static unsigned char misc_minors[DYNAMIC_MINORS / 8];
 extern int rtc_DP8570A_init(void);
 extern int rtc_MK48T08_init(void);
 extern int pmu_device_init(void);
-extern int tosh_init(void);
-extern int i8k_init(void);
 
 #ifdef CONFIG_PROC_FS
 static void *misc_seq_start(struct seq_file *seq, loff_t *pos)
@@ -177,10 +175,10 @@ fail:
 
 /* 
  * TODO for 2.7:
- *  - add a struct class_device to struct miscdevice and make all usages of
+ *  - add a struct kref to struct miscdevice and make all usages of
  *    them dynamic.
  */
-static struct class_simple *misc_class;
+static struct class *misc_class;
 
 static struct file_operations misc_fops = {
 	.owner		= THIS_MODULE,
@@ -238,8 +236,8 @@ int misc_register(struct miscdevice * misc)
 	}
 	dev = MKDEV(MISC_MAJOR, misc->minor);
 
-	misc->class = class_simple_device_add(misc_class, dev,
-					      misc->dev, misc->name);
+	misc->class = class_device_create(misc_class, dev, misc->dev,
+					  "%s", misc->name);
 	if (IS_ERR(misc->class)) {
 		err = PTR_ERR(misc->class);
 		goto out;
@@ -248,7 +246,7 @@ int misc_register(struct miscdevice * misc)
 	err = devfs_mk_cdev(dev, S_IFCHR|S_IRUSR|S_IWUSR|S_IRGRP, 
 			    misc->devfs_name);
 	if (err) {
-		class_simple_device_remove(dev);
+		class_device_destroy(misc_class, dev);
 		goto out;
 	}
 
@@ -281,7 +279,7 @@ int misc_deregister(struct miscdevice * misc)
 
 	down(&misc_sem);
 	list_del(&misc->list);
-	class_simple_device_remove(MKDEV(MISC_MAJOR, misc->minor));
+	class_device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor));
 	devfs_remove(misc->devfs_name);
 	if (i < DYNAMIC_MINORS && i>0) {
 		misc_minors[i>>3] &= ~(1 << (misc->minor & 7));
@@ -302,7 +300,7 @@ static int __init misc_init(void)
 	if (ent)
 		ent->proc_fops = &misc_proc_fops;
 #endif
-	misc_class = class_simple_create(THIS_MODULE, "misc");
+	misc_class = class_create(THIS_MODULE, "misc");
 	if (IS_ERR(misc_class))
 		return PTR_ERR(misc_class);
 #ifdef CONFIG_MVME16x
@@ -311,19 +309,10 @@ static int __init misc_init(void)
 #ifdef CONFIG_BVME6000
 	rtc_DP8570A_init();
 #endif
-#ifdef CONFIG_PMAC_PBOOK
-	pmu_device_init();
-#endif
-#ifdef CONFIG_TOSHIBA
-	tosh_init();
-#endif
-#ifdef CONFIG_I8K
-	i8k_init();
-#endif
 	if (register_chrdev(MISC_MAJOR,"misc",&misc_fops)) {
 		printk("unable to get major %d for misc devices\n",
 		       MISC_MAJOR);
-		class_simple_destroy(misc_class);
+		class_destroy(misc_class);
 		return -EIO;
 	}
 	return 0;
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 7c24fbe..95f7046 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -451,7 +451,7 @@ static int __init moxa_init(void)
 		int n = (sizeof(moxa_pcibrds) / sizeof(moxa_pcibrds[0])) - 1;
 		i = 0;
 		while (i < n) {
-			while ((p = pci_find_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL)
+			while ((p = pci_get_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL)
 			{
 				if (pci_enable_device(p))
 					continue;
diff --git a/drivers/char/mwave/3780i.c b/drivers/char/mwave/3780i.c
index ab00f51..613aed9 100644
--- a/drivers/char/mwave/3780i.c
+++ b/drivers/char/mwave/3780i.c
@@ -107,8 +107,8 @@ void dsp3780I_WriteMsaCfg(unsigned short usDspBaseIO,
 	spin_unlock_irqrestore(&dsp_lock, flags);
 }
 
-void dsp3780I_WriteGenCfg(unsigned short usDspBaseIO, unsigned uIndex,
-                          unsigned char ucValue)
+static void dsp3780I_WriteGenCfg(unsigned short usDspBaseIO, unsigned uIndex,
+				 unsigned char ucValue)
 {
 	DSP_ISA_SLAVE_CONTROL rSlaveControl;
 	DSP_ISA_SLAVE_CONTROL rSlaveControl_Save;
@@ -141,6 +141,7 @@ void dsp3780I_WriteGenCfg(unsigned short usDspBaseIO, unsigned uIndex,
 
 }
 
+#if 0
 unsigned char dsp3780I_ReadGenCfg(unsigned short usDspBaseIO,
                                   unsigned uIndex)
 {
@@ -167,6 +168,7 @@ unsigned char dsp3780I_ReadGenCfg(unsigned short usDspBaseIO,
 
 	return ucValue;
 }
+#endif  /*  0  */
 
 int dsp3780I_EnableDSP(DSP_3780I_CONFIG_SETTINGS * pSettings,
                        unsigned short *pIrqMap,
diff --git a/drivers/char/mwave/3780i.h b/drivers/char/mwave/3780i.h
index 3e7d020..270431c 100644
--- a/drivers/char/mwave/3780i.h
+++ b/drivers/char/mwave/3780i.h
@@ -338,10 +338,6 @@ unsigned short dsp3780I_ReadMsaCfg(unsigned short usDspBaseIO,
                                    unsigned long ulMsaAddr);
 void dsp3780I_WriteMsaCfg(unsigned short usDspBaseIO,
                           unsigned long ulMsaAddr, unsigned short usValue);
-void dsp3780I_WriteGenCfg(unsigned short usDspBaseIO, unsigned uIndex,
-                          unsigned char ucValue);
-unsigned char dsp3780I_ReadGenCfg(unsigned short usDspBaseIO,
-                                  unsigned uIndex);
 int dsp3780I_GetIPCSource(unsigned short usDspBaseIO,
                           unsigned short *pusIPCSource);
 
diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c
index d37625d..d568991 100644
--- a/drivers/char/mwave/mwavedd.c
+++ b/drivers/char/mwave/mwavedd.c
@@ -472,7 +472,7 @@ struct device mwave_device;
 
 /* Prevent code redundancy, create a macro for mwave_show_* functions. */
 #define mwave_show_function(attr_name, format_string, field)		\
-static ssize_t mwave_show_##attr_name(struct device *dev, char *buf)	\
+static ssize_t mwave_show_##attr_name(struct device *dev, struct device_attribute *attr, char *buf)	\
 {									\
 	DSP_3780I_CONFIG_SETTINGS *pSettings =				\
 		&mwave_s_mdd.rBDData.rDspSettings;			\
diff --git a/drivers/char/mwave/tp3780i.c b/drivers/char/mwave/tp3780i.c
index ab650cd..d6c72e0 100644
--- a/drivers/char/mwave/tp3780i.c
+++ b/drivers/char/mwave/tp3780i.c
@@ -242,20 +242,14 @@ int tp3780I_ClaimResources(THINKPAD_BD_DATA * pBDData)
 {
 	int retval = 0;
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
 	struct resource *pres;
-#endif
 
 	PRINTK_2(TRACE_TP3780I,
 		"tp3780i::tp3780I_ClaimResources entry pBDData %p\n", pBDData);
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
 	pres = request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
 	if ( pres == NULL ) retval = -EIO;
-#else
-	retval = check_region(pSettings->usDspBaseIO, 16);
-	if (!retval) request_region(pSettings->usDspBaseIO, 16, "mwave_3780i");
-#endif
+
 	if (retval) {
 		PRINTK_ERROR(KERN_ERR_MWAVE "tp3780i::tp3780I_ClaimResources: Error: Could not claim I/O region starting at %x\n", pSettings->usDspBaseIO);
 		retval = -EIO;
@@ -292,7 +286,7 @@ int tp3780I_ReleaseResources(THINKPAD_BD_DATA * pBDData)
 int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
 {
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pBDData->rDspSettings;
-	BOOLEAN bDSPPoweredUp = FALSE, bDSPEnabled = FALSE, bInterruptAllocated = FALSE;
+	BOOLEAN bDSPPoweredUp = FALSE, bInterruptAllocated = FALSE;
 
 	PRINTK_2(TRACE_TP3780I, "tp3780i::tp3780I_EnableDSP entry pBDData %p\n", pBDData);
 
@@ -397,8 +391,6 @@ int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
 	if (dsp3780I_EnableDSP(pSettings, s_ausThinkpadIrqToField, s_ausThinkpadDmaToField)) {
 		PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Error: dsp7880I_EnableDSP() failed\n");
 		goto exit_cleanup;
-	} else {
-		bDSPEnabled = TRUE;
 	}
 
 	EnableSRAM(pBDData);
@@ -411,8 +403,6 @@ int tp3780I_EnableDSP(THINKPAD_BD_DATA * pBDData)
 
 exit_cleanup:
 	PRINTK_ERROR("tp3780i::tp3780I_EnableDSP: Cleaning up\n");
-	if (bDSPEnabled)
-		dsp3780I_DisableDSP(pSettings);
 	if (bDSPPoweredUp)
 		smapi_set_DSP_power_state(FALSE);
 	if (bInterruptAllocated) {
diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c
index b3dbff1..5079beda 100644
--- a/drivers/char/n_hdlc.c
+++ b/drivers/char/n_hdlc.c
@@ -960,7 +960,7 @@ static char hdlc_unregister_fail[] __exitdata =
 static void __exit n_hdlc_exit(void)
 {
 	/* Release tty registration of line discipline */
-	int status = tty_register_ldisc(N_HDLC, NULL);
+	int status = tty_unregister_ldisc(N_HDLC);
 
 	if (status)
 		printk(hdlc_unregister_fail, status);
diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c
index 3883073..2291a87 100644
--- a/drivers/char/n_r3964.c
+++ b/drivers/char/n_r3964.c
@@ -200,7 +200,7 @@ static void __exit r3964_exit(void)
    
    TRACE_M ("cleanup_module()");
 
-   status=tty_register_ldisc(N_R3964, NULL);
+   status=tty_unregister_ldisc(N_R3964);
    
    if(status!=0)
    {
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index edba5a3..09103b3 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -770,10 +770,8 @@ send_signal:
 		}
 		if (c == '\n') {
 			if (L_ECHO(tty) || L_ECHONL(tty)) {
-				if (tty->read_cnt >= N_TTY_BUF_SIZE-1) {
+				if (tty->read_cnt >= N_TTY_BUF_SIZE-1)
 					put_char('\a', tty);
-					return;
-				}
 				opost('\n', tty);
 			}
 			goto handle_newline;
@@ -790,10 +788,8 @@ send_signal:
 			 * XXX are EOL_CHAR and EOL2_CHAR echoed?!?
 			 */
 			if (L_ECHO(tty)) {
-				if (tty->read_cnt >= N_TTY_BUF_SIZE-1) {
+				if (tty->read_cnt >= N_TTY_BUF_SIZE-1)
 					put_char('\a', tty);
-					return;
-				}
 				/* Record the column of first canon char. */
 				if (tty->canon_head == tty->read_head)
 					tty->canon_column = tty->column;
@@ -862,12 +858,9 @@ static int n_tty_receive_room(struct tty_struct *tty)
 	 * that erase characters will be handled.  Other excess
 	 * characters will be beeped.
 	 */
-	if (tty->icanon && !tty->canon_data)
-		return N_TTY_BUF_SIZE;
-
-	if (left > 0)
-		return left;
-	return 0;
+	if (left <= 0)
+		left = tty->icanon && !tty->canon_data;
+	return left;
 }
 
 /**
@@ -1473,13 +1466,17 @@ static ssize_t write_chan(struct tty_struct * tty, struct file * file,
 			if (tty->driver->flush_chars)
 				tty->driver->flush_chars(tty);
 		} else {
-			c = tty->driver->write(tty, b, nr);
-			if (c < 0) {
-				retval = c;
-				goto break_out;
+			while (nr > 0) {
+				c = tty->driver->write(tty, b, nr);
+				if (c < 0) {
+					retval = c;
+					goto break_out;
+				}
+				if (!c)
+					break;
+				b += c;
+				nr -= c;
 			}
-			b += c;
-			nr -= c;
 		}
 		if (!nr)
 			break;
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index f63a3fd..1af733d 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -211,12 +211,13 @@ nvram_check_checksum(void)
 	return rv;
 }
 
-void
+static void
 __nvram_set_checksum(void)
 {
 	mach_set_checksum();
 }
 
+#if 0
 void
 nvram_set_checksum(void)
 {
@@ -226,6 +227,7 @@ nvram_set_checksum(void)
 	__nvram_set_checksum();
 	spin_unlock_irqrestore(&rtc_lock, flags);
 }
+#endif  /*  0  */
 
 /*
  * The are the file operation function for user access to /dev/nvram
@@ -921,6 +923,4 @@ EXPORT_SYMBOL(__nvram_write_byte);
 EXPORT_SYMBOL(nvram_write_byte);
 EXPORT_SYMBOL(__nvram_check_checksum);
 EXPORT_SYMBOL(nvram_check_checksum);
-EXPORT_SYMBOL(__nvram_set_checksum);
-EXPORT_SYMBOL(nvram_set_checksum);
 MODULE_ALIAS_MISCDEV(NVRAM_MINOR);
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 1c8d866..7a0c7464 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -71,7 +71,6 @@
 #include <linux/workqueue.h>
 #include <linux/hdlc.h>
 
-#include <pcmcia/version.h>
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
 #include <pcmcia/cistpl.h>
@@ -581,7 +580,7 @@ static dev_link_t *mgslpc_attach(void)
 
     /* Interrupt setup */
     link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
-    link->irq.IRQInfo1   = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
+    link->irq.IRQInfo1   = IRQ_LEVEL_ID;
     link->irq.Handler = NULL;
     
     link->conf.Attributes = 0;
@@ -593,11 +592,6 @@ static dev_link_t *mgslpc_attach(void)
     dev_list = link;
 
     client_reg.dev_info = &dev_info;
-    client_reg.EventMask =
-	    CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
-	    CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
-	    CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
-    client_reg.event_handler = &mgslpc_event;
     client_reg.Version = 0x0210;
     client_reg.event_callback_args.client_data = link;
 
@@ -3081,13 +3075,21 @@ void mgslpc_remove_device(MGSLPC_INFO *remove_info)
 	}
 }
 
+static struct pcmcia_device_id mgslpc_ids[] = {
+	PCMCIA_DEVICE_MANF_CARD(0x02c5, 0x0050),
+	PCMCIA_DEVICE_NULL
+};
+MODULE_DEVICE_TABLE(pcmcia, mgslpc_ids);
+
 static struct pcmcia_driver mgslpc_driver = {
 	.owner		= THIS_MODULE,
 	.drv		= {
 		.name	= "synclink_cs",
 	},
 	.attach		= mgslpc_attach,
+	.event		= mgslpc_event,
 	.detach		= mgslpc_detach,
+	.id_table	= mgslpc_ids,
 };
 
 static struct tty_operations mgslpc_ops = {
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 5eda075..0e22880 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -737,7 +737,7 @@ static unsigned int pp_poll (struct file * file, poll_table * wait)
 	return mask;
 }
 
-static struct class_simple *ppdev_class;
+static struct class *ppdev_class;
 
 static struct file_operations pp_fops = {
 	.owner		= THIS_MODULE,
@@ -752,13 +752,13 @@ static struct file_operations pp_fops = {
 
 static void pp_attach(struct parport *port)
 {
-	class_simple_device_add(ppdev_class, MKDEV(PP_MAJOR, port->number),
+	class_device_create(ppdev_class, MKDEV(PP_MAJOR, port->number),
 			NULL, "parport%d", port->number);
 }
 
 static void pp_detach(struct parport *port)
 {
-	class_simple_device_remove(MKDEV(PP_MAJOR, port->number));
+	class_device_destroy(ppdev_class, MKDEV(PP_MAJOR, port->number));
 }
 
 static struct parport_driver pp_driver = {
@@ -776,7 +776,7 @@ static int __init ppdev_init (void)
 			PP_MAJOR);
 		return -EIO;
 	}
-	ppdev_class = class_simple_create(THIS_MODULE, CHRDEV);
+	ppdev_class = class_create(THIS_MODULE, CHRDEV);
 	if (IS_ERR(ppdev_class)) {
 		err = PTR_ERR(ppdev_class);
 		goto out_chrdev;
@@ -798,7 +798,7 @@ out_class:
 	for (i = 0; i < PARPORT_MAX; i++)
 		devfs_remove("parports/%d", i);
 	devfs_remove("parports");
-	class_simple_destroy(ppdev_class);
+	class_destroy(ppdev_class);
 out_chrdev:
 	unregister_chrdev(PP_MAJOR, CHRDEV);
 out:
@@ -813,7 +813,7 @@ static void __exit ppdev_cleanup (void)
 		devfs_remove("parports/%d", i);
 	parport_unregister_driver(&pp_driver);
 	devfs_remove("parports");
-	class_simple_destroy(ppdev_class);
+	class_destroy(ppdev_class);
 	unregister_chrdev (PP_MAJOR, CHRDEV);
 }
 
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 460b5d4..6b11d6b 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -271,7 +271,7 @@ static int random_write_wakeup_thresh = 128;
  * samples to avoid wasting CPU time and reduce lock contention.
  */
 
-static int trickle_thresh = INPUT_POOL_WORDS * 28;
+static int trickle_thresh __read_mostly = INPUT_POOL_WORDS * 28;
 
 static DEFINE_PER_CPU(int, trickle_count) = 0;
 
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index ca5f42b..f13e5de 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -27,7 +27,7 @@ struct raw_device_data {
 	int inuse;
 };
 
-static struct class_simple *raw_class;
+static struct class *raw_class;
 static struct raw_device_data raw_devices[MAX_RAW_MINORS];
 static DECLARE_MUTEX(raw_mutex);
 static struct file_operations raw_ctl_fops;	     /* forward declaration */
@@ -127,8 +127,8 @@ raw_ioctl(struct inode *inode, struct file *filp,
 
 static void bind_device(struct raw_config_request *rq)
 {
-	class_simple_device_remove(MKDEV(RAW_MAJOR, rq->raw_minor));
-	class_simple_device_add(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor),
+	class_device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor));
+	class_device_create(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor),
 				      NULL, "raw%d", rq->raw_minor);
 }
 
@@ -200,8 +200,8 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
 			if (rq.block_major == 0 && rq.block_minor == 0) {
 				/* unbind */
 				rawdev->binding = NULL;
-				class_simple_device_remove(MKDEV(RAW_MAJOR,
-								rq.raw_minor));
+				class_device_destroy(raw_class,
+						MKDEV(RAW_MAJOR, rq.raw_minor));
 			} else {
 				rawdev->binding = bdget(dev);
 				if (rawdev->binding == NULL)
@@ -300,14 +300,14 @@ static int __init raw_init(void)
 		goto error;
 	}
 
-	raw_class = class_simple_create(THIS_MODULE, "raw");
+	raw_class = class_create(THIS_MODULE, "raw");
 	if (IS_ERR(raw_class)) {
 		printk(KERN_ERR "Error creating raw class.\n");
 		cdev_del(&raw_cdev);
 		unregister_chrdev_region(dev, MAX_RAW_MINORS);
 		goto error;
 	}
-	class_simple_device_add(raw_class, MKDEV(RAW_MAJOR, 0), NULL, "rawctl");
+	class_device_create(raw_class, MKDEV(RAW_MAJOR, 0), NULL, "rawctl");
 
 	devfs_mk_cdev(MKDEV(RAW_MAJOR, 0),
 		      S_IFCHR | S_IRUGO | S_IWUGO,
@@ -331,8 +331,8 @@ static void __exit raw_exit(void)
 		devfs_remove("raw/raw%d", i);
 	devfs_remove("raw/rawctl");
 	devfs_remove("raw");
-	class_simple_device_remove(MKDEV(RAW_MAJOR, 0));
-	class_simple_destroy(raw_class);
+	class_device_destroy(raw_class, MKDEV(RAW_MAJOR, 0));
+	class_destroy(raw_class);
 	cdev_del(&raw_cdev);
 	unregister_chrdev_region(MKDEV(RAW_MAJOR, 0), MAX_RAW_MINORS);
 }
diff --git a/drivers/char/rio/func.h b/drivers/char/rio/func.h
index e8f3860..01987c6 100644
--- a/drivers/char/rio/func.h
+++ b/drivers/char/rio/func.h
@@ -147,7 +147,6 @@ struct rio_info * rio_info_store( int cmd, struct rio_info * p);
 extern int    rio_pcicopy(char *src, char *dst, int n);
 extern int rio_minor (struct tty_struct *tty);
 extern int rio_ismodem (struct tty_struct *tty);
-extern void rio_udelay (int usecs);
 
 extern void rio_start_card_running (struct Host * HostP);
 
diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c
index 763893e..d7d4840 100644
--- a/drivers/char/rio/rio_linux.c
+++ b/drivers/char/rio/rio_linux.c
@@ -354,11 +354,6 @@ int rio_ismodem(struct tty_struct *tty)
 }
 
 
-void rio_udelay (int usecs)
-{
-  udelay (usecs);
-}
-
 static int rio_set_real_termios (void *ptr)
 {
   int rv, modem;
@@ -1100,7 +1095,7 @@ static int __init rio_init(void)
 
 #ifdef CONFIG_PCI
     /* First look for the JET devices: */
-    while ((pdev = pci_find_device (PCI_VENDOR_ID_SPECIALIX, 
+    while ((pdev = pci_get_device (PCI_VENDOR_ID_SPECIALIX,
                                     PCI_DEVICE_ID_SPECIALIX_SX_XIO_IO8, 
                                     pdev))) {
        if (pci_enable_device(pdev)) continue;
@@ -1174,7 +1169,7 @@ static int __init rio_init(void)
   */
 
     /* Then look for the older RIO/PCI devices: */
-    while ((pdev = pci_find_device (PCI_VENDOR_ID_SPECIALIX, 
+    while ((pdev = pci_get_device (PCI_VENDOR_ID_SPECIALIX,
                                     PCI_DEVICE_ID_SPECIALIX_RIO, 
                                     pdev))) {
        if (pci_enable_device(pdev)) continue;
diff --git a/drivers/char/rio/rioboot.c b/drivers/char/rio/rioboot.c
index a8be11d..34cbb13 100644
--- a/drivers/char/rio/rioboot.c
+++ b/drivers/char/rio/rioboot.c
@@ -902,7 +902,7 @@ static int RIOBootComplete( struct rio_info *p, struct Host *HostP, uint Rup, st
 	       (HostP->Mapping[entry].RtaUniqueNum==RtaUniq))
 	    {
 	        HostP->Mapping[entry].Flags |= RTA_BOOTED|RTA_NEWBOOT;
-#if NEED_TO_FIX
+#ifdef NEED_TO_FIX
 		RIO_SV_BROADCAST(HostP->svFlags[entry]);
 #endif
 		if ( (sysport=HostP->Mapping[entry].SysPort) != NO_PORT )
@@ -918,7 +918,7 @@ static int RIOBootComplete( struct rio_info *p, struct Host *HostP, uint Rup, st
 		   {
 			entry2 = HostP->Mapping[entry].ID2 - 1;
 			HostP->Mapping[entry2].Flags |= RTA_BOOTED|RTA_NEWBOOT;
-#if NEED_TO_FIX
+#ifdef NEED_TO_FIX
 			RIO_SV_BROADCAST(HostP->svFlags[entry2]);
 #endif
 			sysport = HostP->Mapping[entry2].SysPort;
@@ -1143,7 +1143,7 @@ static int RIOBootComplete( struct rio_info *p, struct Host *HostP, uint Rup, st
 		    CCOPY( MapP->Name, HostP->Mapping[entry].Name, MAX_NAME_LEN );
 		    HostP->Mapping[entry].Flags =
 		     SLOT_IN_USE | RTA_BOOTED | RTA_NEWBOOT;
-#if NEED_TO_FIX
+#ifdef NEED_TO_FIX
 		    RIO_SV_BROADCAST(HostP->svFlags[entry]);
 #endif
 		    RIOReMapPorts( p, HostP, &HostP->Mapping[entry] );
@@ -1159,7 +1159,7 @@ static int RIOBootComplete( struct rio_info *p, struct Host *HostP, uint Rup, st
    "This RTA has a tentative entry on another host - delete that entry (1)\n");
 		    HostP->Mapping[entry].Flags =
 		     SLOT_TENTATIVE | RTA_BOOTED | RTA_NEWBOOT;
-#if NEED_TO_FIX
+#ifdef NEED_TO_FIX
 		    RIO_SV_BROADCAST(HostP->svFlags[entry]);
 #endif
 		}
@@ -1169,7 +1169,7 @@ static int RIOBootComplete( struct rio_info *p, struct Host *HostP, uint Rup, st
 		    {
 			HostP->Mapping[entry2].Flags = SLOT_IN_USE |
 			 RTA_BOOTED | RTA_NEWBOOT | RTA16_SECOND_SLOT;
-#if NEED_TO_FIX
+#ifdef NEED_TO_FIX
 			RIO_SV_BROADCAST(HostP->svFlags[entry2]);
 #endif
 			HostP->Mapping[entry2].SysPort = MapP2->SysPort;
@@ -1188,7 +1188,7 @@ static int RIOBootComplete( struct rio_info *p, struct Host *HostP, uint Rup, st
 		    else
 			HostP->Mapping[entry2].Flags = SLOT_TENTATIVE |
 			 RTA_BOOTED | RTA_NEWBOOT | RTA16_SECOND_SLOT;
-#if NEED_TO_FIX
+#ifdef NEED_TO_FIX
 			RIO_SV_BROADCAST(HostP->svFlags[entry2]);
 #endif
 		    bzero( (caddr_t)MapP2, sizeof(struct Map) );
diff --git a/drivers/char/rio/rioinit.c b/drivers/char/rio/rioinit.c
index dca941e..898a126 100644
--- a/drivers/char/rio/rioinit.c
+++ b/drivers/char/rio/rioinit.c
@@ -37,6 +37,7 @@ static char *_rioinit_c_sccs_ = "@(#)rioinit.c	1.3";
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/errno.h>
+#include <linux/delay.h>
 #include <asm/io.h>
 #include <asm/system.h>
 #include <asm/string.h>
@@ -1560,14 +1561,14 @@ uint Slot;
 					  INTERRUPT_DISABLE | BYTE_OPERATION |
 					  SLOW_LINKS | SLOW_AT_BUS);
 			WBYTE(DpRamP->DpResetTpu, 0xFF);
-			rio_udelay (3);
+			udelay(3);
 
 			rio_dprintk (RIO_DEBUG_INIT,  "RIOHostReset: Don't know if it worked. Try reset again\n");
 			WBYTE(DpRamP->DpControl,  BOOT_FROM_RAM | EXTERNAL_BUS_OFF |
 					  INTERRUPT_DISABLE | BYTE_OPERATION |
 					  SLOW_LINKS | SLOW_AT_BUS);
 			WBYTE(DpRamP->DpResetTpu, 0xFF);
-			rio_udelay (3);
+			udelay(3);
 			break;
 #ifdef FUTURE_RELEASE
 	case RIO_EISA:
@@ -1599,7 +1600,7 @@ uint Slot;
 		DpRamP->DpControl  = RIO_PCI_BOOT_FROM_RAM;
 		DpRamP->DpResetInt = 0xFF;
 		DpRamP->DpResetTpu = 0xFF;
-		rio_udelay (100);
+		udelay(100);
 		/* for (i=0; i<6000; i++);  */
 		/* suspend( 3 ); */
 		break;
diff --git a/drivers/char/rio/rioroute.c b/drivers/char/rio/rioroute.c
index 106b31f..e9564c9 100644
--- a/drivers/char/rio/rioroute.c
+++ b/drivers/char/rio/rioroute.c
@@ -1023,7 +1023,7 @@ RIOFreeDisconnected(struct rio_info *p, struct Host *HostP, int unit)
     if (link < LINKS_PER_UNIT)
 	    return 1;
 
-#if NEED_TO_FIX_THIS
+#ifdef NEED_TO_FIX_THIS
     /* Ok so all the links are disconnected. But we may have only just
     ** made this slot tentative and not yet received a topology update.
     ** Lets check how long ago we made it tentative.
diff --git a/drivers/char/rio/riotable.c b/drivers/char/rio/riotable.c
index 8fb26ad..e45bc27 100644
--- a/drivers/char/rio/riotable.c
+++ b/drivers/char/rio/riotable.c
@@ -771,7 +771,7 @@ int RIOAssignRta( struct rio_info *p, struct Map *MapP )
 	    if ((MapP->Flags & RTA16_SECOND_SLOT) == 0)
 	      CCOPY( MapP->Name, HostMapP->Name, MAX_NAME_LEN );
 	    HostMapP->Flags = SLOT_IN_USE | RTA_BOOTED;
-#if NEED_TO_FIX
+#ifdef NEED_TO_FIX
 	    RIO_SV_BROADCAST(p->RIOHosts[host].svFlags[MapP->ID-1]);
 #endif
 	    if (MapP->Flags & RTA16_SECOND_SLOT)
diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c
index db65500..78a321a 100644
--- a/drivers/char/rio/riotty.c
+++ b/drivers/char/rio/riotty.c
@@ -524,16 +524,16 @@ riotclose(void  *ptr)
 	register uint SysPort = dev;
 	struct ttystatics *tp;		/* pointer to our ttystruct */
 #endif
-	struct Port *PortP =ptr;	/* pointer to the port structure */
+	struct Port *PortP = ptr;	/* pointer to the port structure */
 	int deleted = 0;
 	int	try = -1; /* Disable the timeouts by setting them to -1 */
 	int	repeat_this = -1; /* Congrats to those having 15 years of 
 				     uptime! (You get to break the driver.) */
-	long end_time;
+	unsigned long end_time;
 	struct tty_struct * tty;
 	unsigned long flags;
 	int Modem;
-	int rv =0;
+	int rv = 0;
 	
 	rio_dprintk (RIO_DEBUG_TTY, "port close SysPort %d\n",PortP->PortNum);
 
@@ -620,7 +620,7 @@ riotclose(void  *ptr)
 		if (repeat_this -- <= 0) {
 			rv = -EINTR;
 			rio_dprintk (RIO_DEBUG_TTY, "Waiting for not idle closed broken by signal\n");
-			RIOPreemptiveCmd(p, PortP, FCLOSE ); 
+			RIOPreemptiveCmd(p, PortP, FCLOSE);
 			goto close_end;
 		}
 		rio_dprintk (RIO_DEBUG_TTY, "Calling timeout to flush in closing\n");
@@ -656,14 +656,12 @@ riotclose(void  *ptr)
 		goto close_end;
 	}
 
-	
-
 	/* Can't call RIOShortCommand with the port locked. */
 	rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 
 	if (RIOShortCommand(p, PortP, CLOSE, 1, 0) == RIO_FAIL) {
-	  RIOPreemptiveCmd(p, PortP,FCLOSE);
-	  goto close_end;
+		RIOPreemptiveCmd(p, PortP, FCLOSE);
+		goto close_end;
 	}
 
 	if (!deleted)
@@ -698,7 +696,6 @@ riotclose(void  *ptr)
 */
 	PortP->Config &= ~(RIO_CTSFLOW|RIO_RTSFLOW);
 
-
 #ifdef STATS
 	PortP->Stat.CloseCnt++;
 #endif
diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c
index 5bcbeb0..5b1d368 100644
--- a/drivers/char/rocket.c
+++ b/drivers/char/rocket.c
@@ -161,6 +161,64 @@ static Word_t upci_aiop_intr_bits[AIOP_CTL_SIZE] = {
 	UPCI_AIOP_INTR_BIT_3
 };
 
+static Byte_t RData[RDATASIZE] = {
+	0x00, 0x09, 0xf6, 0x82,
+	0x02, 0x09, 0x86, 0xfb,
+	0x04, 0x09, 0x00, 0x0a,
+	0x06, 0x09, 0x01, 0x0a,
+	0x08, 0x09, 0x8a, 0x13,
+	0x0a, 0x09, 0xc5, 0x11,
+	0x0c, 0x09, 0x86, 0x85,
+	0x0e, 0x09, 0x20, 0x0a,
+	0x10, 0x09, 0x21, 0x0a,
+	0x12, 0x09, 0x41, 0xff,
+	0x14, 0x09, 0x82, 0x00,
+	0x16, 0x09, 0x82, 0x7b,
+	0x18, 0x09, 0x8a, 0x7d,
+	0x1a, 0x09, 0x88, 0x81,
+	0x1c, 0x09, 0x86, 0x7a,
+	0x1e, 0x09, 0x84, 0x81,
+	0x20, 0x09, 0x82, 0x7c,
+	0x22, 0x09, 0x0a, 0x0a
+};
+
+static Byte_t RRegData[RREGDATASIZE] = {
+	0x00, 0x09, 0xf6, 0x82,	/* 00: Stop Rx processor */
+	0x08, 0x09, 0x8a, 0x13,	/* 04: Tx software flow control */
+	0x0a, 0x09, 0xc5, 0x11,	/* 08: XON char */
+	0x0c, 0x09, 0x86, 0x85,	/* 0c: XANY */
+	0x12, 0x09, 0x41, 0xff,	/* 10: Rx mask char */
+	0x14, 0x09, 0x82, 0x00,	/* 14: Compare/Ignore #0 */
+	0x16, 0x09, 0x82, 0x7b,	/* 18: Compare #1 */
+	0x18, 0x09, 0x8a, 0x7d,	/* 1c: Compare #2 */
+	0x1a, 0x09, 0x88, 0x81,	/* 20: Interrupt #1 */
+	0x1c, 0x09, 0x86, 0x7a,	/* 24: Ignore/Replace #1 */
+	0x1e, 0x09, 0x84, 0x81,	/* 28: Interrupt #2 */
+	0x20, 0x09, 0x82, 0x7c,	/* 2c: Ignore/Replace #2 */
+	0x22, 0x09, 0x0a, 0x0a	/* 30: Rx FIFO Enable */
+};
+
+static CONTROLLER_T sController[CTL_SIZE] = {
+	{-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
+	 {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
+	{-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
+	 {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
+	{-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
+	 {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
+	{-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
+	 {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}}
+};
+
+static Byte_t sBitMapClrTbl[8] = {
+	0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f
+};
+
+static Byte_t sBitMapSetTbl[8] = {
+	0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80
+};
+
+static int sClockPrescale = 0x14;
+
 /*
  *  Line number is the ttySIx number (x), the Minor number.  We 
  *  assign them sequentially, starting at zero.  The following 
@@ -177,6 +235,26 @@ static void rmSpeakerReset(CONTROLLER_T * CtlP, unsigned long model);
 static unsigned char GetLineNumber(int ctrl, int aiop, int ch);
 static unsigned char SetLineNumber(int ctrl, int aiop, int ch);
 static void rp_start(struct tty_struct *tty);
+static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
+		     int ChanNum);
+static void sSetInterfaceMode(CHANNEL_T * ChP, Byte_t mode);
+static void sFlushRxFIFO(CHANNEL_T * ChP);
+static void sFlushTxFIFO(CHANNEL_T * ChP);
+static void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags);
+static void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags);
+static void sModemReset(CONTROLLER_T * CtlP, int chan, int on);
+static void sPCIModemReset(CONTROLLER_T * CtlP, int chan, int on);
+static int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data);
+static int sPCIInitController(CONTROLLER_T * CtlP, int CtlNum,
+			      ByteIO_t * AiopIOList, int AiopIOListSize,
+			      WordIO_t ConfigIO, int IRQNum, Byte_t Frequency,
+			      int PeriodicOnly, int altChanRingIndicator,
+			      int UPCIRingInd);
+static int sInitController(CONTROLLER_T * CtlP, int CtlNum, ByteIO_t MudbacIO,
+			   ByteIO_t * AiopIOList, int AiopIOListSize,
+			   int IRQNum, Byte_t Frequency, int PeriodicOnly);
+static int sReadAiopID(ByteIO_t io);
+static int sReadAiopNumChan(WordIO_t io);
 
 #ifdef MODULE
 MODULE_AUTHOR("Theodore Ts'o");
@@ -277,7 +355,7 @@ static void rp_do_receive(struct r_port *info,
 		ToRecv = space;
 
 	if (ToRecv <= 0)
-		return;
+		goto done;
 
 	/*
 	 * if status indicates there are errored characters in the
@@ -359,6 +437,7 @@ static void rp_do_receive(struct r_port *info,
 	}
 	/*  Push the data up to the tty layer */
 	ld->receive_buf(tty, tty->flip.char_buf, tty->flip.flag_buf, count);
+done:
 	tty_ldisc_deref(ld);
 }
 
@@ -1798,7 +1877,7 @@ static void rp_flush_buffer(struct tty_struct *tty)
  *  init's aiopic and serial port hardware.
  *  Inputs:  i is the board number (0-n)
  */
-__init int register_PCI(int i, struct pci_dev *dev)
+static __init int register_PCI(int i, struct pci_dev *dev)
 {
 	int num_aiops, aiop, max_num_aiops, num_chan, chan;
 	unsigned int aiopio[MAX_AIOPS_PER_BOARD];
@@ -2453,72 +2532,6 @@ static void rp_cleanup_module(void)
 }
 #endif
 
-#ifndef TRUE
-#define TRUE 1
-#endif
-
-#ifndef FALSE
-#define FALSE 0
-#endif
-
-static Byte_t RData[RDATASIZE] = {
-	0x00, 0x09, 0xf6, 0x82,
-	0x02, 0x09, 0x86, 0xfb,
-	0x04, 0x09, 0x00, 0x0a,
-	0x06, 0x09, 0x01, 0x0a,
-	0x08, 0x09, 0x8a, 0x13,
-	0x0a, 0x09, 0xc5, 0x11,
-	0x0c, 0x09, 0x86, 0x85,
-	0x0e, 0x09, 0x20, 0x0a,
-	0x10, 0x09, 0x21, 0x0a,
-	0x12, 0x09, 0x41, 0xff,
-	0x14, 0x09, 0x82, 0x00,
-	0x16, 0x09, 0x82, 0x7b,
-	0x18, 0x09, 0x8a, 0x7d,
-	0x1a, 0x09, 0x88, 0x81,
-	0x1c, 0x09, 0x86, 0x7a,
-	0x1e, 0x09, 0x84, 0x81,
-	0x20, 0x09, 0x82, 0x7c,
-	0x22, 0x09, 0x0a, 0x0a
-};
-
-static Byte_t RRegData[RREGDATASIZE] = {
-	0x00, 0x09, 0xf6, 0x82,	/* 00: Stop Rx processor */
-	0x08, 0x09, 0x8a, 0x13,	/* 04: Tx software flow control */
-	0x0a, 0x09, 0xc5, 0x11,	/* 08: XON char */
-	0x0c, 0x09, 0x86, 0x85,	/* 0c: XANY */
-	0x12, 0x09, 0x41, 0xff,	/* 10: Rx mask char */
-	0x14, 0x09, 0x82, 0x00,	/* 14: Compare/Ignore #0 */
-	0x16, 0x09, 0x82, 0x7b,	/* 18: Compare #1 */
-	0x18, 0x09, 0x8a, 0x7d,	/* 1c: Compare #2 */
-	0x1a, 0x09, 0x88, 0x81,	/* 20: Interrupt #1 */
-	0x1c, 0x09, 0x86, 0x7a,	/* 24: Ignore/Replace #1 */
-	0x1e, 0x09, 0x84, 0x81,	/* 28: Interrupt #2 */
-	0x20, 0x09, 0x82, 0x7c,	/* 2c: Ignore/Replace #2 */
-	0x22, 0x09, 0x0a, 0x0a	/* 30: Rx FIFO Enable */
-};
-
-CONTROLLER_T sController[CTL_SIZE] = {
-	{-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
-	 {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
-	{-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
-	 {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
-	{-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
-	 {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}},
-	{-1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0},
-	 {0, 0, 0, 0}, {-1, -1, -1, -1}, {0, 0, 0, 0}}
-};
-
-Byte_t sBitMapClrTbl[8] = {
-	0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f
-};
-
-Byte_t sBitMapSetTbl[8] = {
-	0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80
-};
-
-int sClockPrescale = 0x14;
-
 /***************************************************************************
 Function: sInitController
 Purpose:  Initialization of controller global registers and controller
@@ -2554,22 +2567,22 @@ Call:     sInitController(CtlP,CtlNum,MudbacIO,AiopIOList,AiopIOListSize,
                       FREQ_4HZ - 4 Hertz
                    If IRQNum is set to 0 the Frequency parameter is
                    overidden, it is forced to a value of FREQ_DIS.
-          int PeriodicOnly: TRUE if all interrupts except the periodic
+          int PeriodicOnly: 1 if all interrupts except the periodic
                                interrupt are to be blocked.
-                            FALSE is both the periodic interrupt and
+                            0 is both the periodic interrupt and
                                other channel interrupts are allowed.
                             If IRQNum is set to 0 the PeriodicOnly parameter is
-                               overidden, it is forced to a value of FALSE.
+                               overidden, it is forced to a value of 0.
 Return:   int: Number of AIOPs on the controller, or CTLID_NULL if controller
                initialization failed.
 
 Comments:
           If periodic interrupts are to be disabled but AIOP interrupts
-          are allowed, set Frequency to FREQ_DIS and PeriodicOnly to FALSE.
+          are allowed, set Frequency to FREQ_DIS and PeriodicOnly to 0.
 
           If interrupts are to be completely disabled set IRQNum to 0.
 
-          Setting Frequency to FREQ_DIS and PeriodicOnly to TRUE is an
+          Setting Frequency to FREQ_DIS and PeriodicOnly to 1 is an
           invalid combination.
 
           This function performs initialization of global interrupt modes,
@@ -2589,9 +2602,9 @@ Warnings: No range checking on any of the parameters is done.
           After this function all AIOPs on the controller are disabled,
           they can be enabled with sEnAiop().
 */
-int sInitController(CONTROLLER_T * CtlP, int CtlNum, ByteIO_t MudbacIO,
-		    ByteIO_t * AiopIOList, int AiopIOListSize, int IRQNum,
-		    Byte_t Frequency, int PeriodicOnly)
+static int sInitController(CONTROLLER_T * CtlP, int CtlNum, ByteIO_t MudbacIO,
+			   ByteIO_t * AiopIOList, int AiopIOListSize,
+			   int IRQNum, Byte_t Frequency, int PeriodicOnly)
 {
 	int i;
 	ByteIO_t io;
@@ -2687,22 +2700,22 @@ Call:     sPCIInitController(CtlP,CtlNum,AiopIOList,AiopIOListSize,
                       FREQ_4HZ - 4 Hertz
                    If IRQNum is set to 0 the Frequency parameter is
                    overidden, it is forced to a value of FREQ_DIS.
-          int PeriodicOnly: TRUE if all interrupts except the periodic
+          int PeriodicOnly: 1 if all interrupts except the periodic
                                interrupt are to be blocked.
-                            FALSE is both the periodic interrupt and
+                            0 is both the periodic interrupt and
                                other channel interrupts are allowed.
                             If IRQNum is set to 0 the PeriodicOnly parameter is
-                               overidden, it is forced to a value of FALSE.
+                               overidden, it is forced to a value of 0.
 Return:   int: Number of AIOPs on the controller, or CTLID_NULL if controller
                initialization failed.
 
 Comments:
           If periodic interrupts are to be disabled but AIOP interrupts
-          are allowed, set Frequency to FREQ_DIS and PeriodicOnly to FALSE.
+          are allowed, set Frequency to FREQ_DIS and PeriodicOnly to 0.
 
           If interrupts are to be completely disabled set IRQNum to 0.
 
-          Setting Frequency to FREQ_DIS and PeriodicOnly to TRUE is an
+          Setting Frequency to FREQ_DIS and PeriodicOnly to 1 is an
           invalid combination.
 
           This function performs initialization of global interrupt modes,
@@ -2722,11 +2735,11 @@ Warnings: No range checking on any of the parameters is done.
           After this function all AIOPs on the controller are disabled,
           they can be enabled with sEnAiop().
 */
-int sPCIInitController(CONTROLLER_T * CtlP, int CtlNum,
-		       ByteIO_t * AiopIOList, int AiopIOListSize,
-		       WordIO_t ConfigIO, int IRQNum, Byte_t Frequency,
-		       int PeriodicOnly, int altChanRingIndicator,
-		       int UPCIRingInd)
+static int sPCIInitController(CONTROLLER_T * CtlP, int CtlNum,
+			      ByteIO_t * AiopIOList, int AiopIOListSize,
+			      WordIO_t ConfigIO, int IRQNum, Byte_t Frequency,
+			      int PeriodicOnly, int altChanRingIndicator,
+			      int UPCIRingInd)
 {
 	int i;
 	ByteIO_t io;
@@ -2784,7 +2797,7 @@ Return:   int: Flag AIOPID_XXXX if a valid AIOP is found, where X
 Warnings: No context switches are allowed while executing this function.
 
 */
-int sReadAiopID(ByteIO_t io)
+static int sReadAiopID(ByteIO_t io)
 {
 	Byte_t AiopID;		/* ID byte from AIOP */
 
@@ -2810,7 +2823,7 @@ Comments: The number of channels is determined by write/reads from identical
           AIOP, otherwise it is an 8 channel.
 Warnings: No context switches are allowed while executing this function.
 */
-int sReadAiopNumChan(WordIO_t io)
+static int sReadAiopNumChan(WordIO_t io)
 {
 	Word_t x;
 	static Byte_t R[4] = { 0x00, 0x00, 0x34, 0x12 };
@@ -2834,15 +2847,15 @@ Call:     sInitChan(CtlP,ChP,AiopNum,ChanNum)
           CHANNEL_T *ChP; Ptr to channel structure
           int AiopNum; AIOP number within controller
           int ChanNum; Channel number within AIOP
-Return:   int: TRUE if initialization succeeded, FALSE if it fails because channel
+Return:   int: 1 if initialization succeeded, 0 if it fails because channel
                number exceeds number of channels available in AIOP.
 Comments: This function must be called before a channel can be used.
 Warnings: No range checking on any of the parameters is done.
 
           No context switches are allowed while executing this function.
 */
-int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
-	      int ChanNum)
+static int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
+		     int ChanNum)
 {
 	int i;
 	WordIO_t AiopIO;
@@ -2853,7 +2866,7 @@ int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
 	int brd9600;
 
 	if (ChanNum >= CtlP->AiopNumChan[AiopNum])
-		return (FALSE);	/* exceeds num chans in AIOP */
+		return 0;	/* exceeds num chans in AIOP */
 
 	/* Channel, AIOP, and controller identifiers */
 	ChP->CtlP = CtlP;
@@ -2968,7 +2981,7 @@ int sInitChan(CONTROLLER_T * CtlP, CHANNEL_T * ChP, int AiopNum,
 	ChP->TxPrioBuf = ChOff + _TXP_BUF;
 	sEnRxProcessor(ChP);	/* start the Rx processor */
 
-	return (TRUE);
+	return 1;
 }
 
 /***************************************************************************
@@ -2989,7 +3002,7 @@ Warnings: No context switches are allowed while executing this function.
           After calling this function a delay of 4 uS is required to ensure
           that the receive processor is no longer processing this channel.
 */
-void sStopRxProcessor(CHANNEL_T * ChP)
+static void sStopRxProcessor(CHANNEL_T * ChP)
 {
 	Byte_t R[4];
 
@@ -3014,18 +3027,18 @@ Comments: To prevent data from being enqueued or dequeued in the Tx FIFO
           this function.
 Warnings: No context switches are allowed while executing this function.
 */
-void sFlushRxFIFO(CHANNEL_T * ChP)
+static void sFlushRxFIFO(CHANNEL_T * ChP)
 {
 	int i;
 	Byte_t Ch;		/* channel number within AIOP */
-	int RxFIFOEnabled;	/* TRUE if Rx FIFO enabled */
+	int RxFIFOEnabled;	/* 1 if Rx FIFO enabled */
 
 	if (sGetRxCnt(ChP) == 0)	/* Rx FIFO empty */
 		return;		/* don't need to flush */
 
-	RxFIFOEnabled = FALSE;
+	RxFIFOEnabled = 0;
 	if (ChP->R[0x32] == 0x08) {	/* Rx FIFO is enabled */
-		RxFIFOEnabled = TRUE;
+		RxFIFOEnabled = 1;
 		sDisRxFIFO(ChP);	/* disable it */
 		for (i = 0; i < 2000 / 200; i++)	/* delay 2 uS to allow proc to disable FIFO */
 			sInB(ChP->IntChan);	/* depends on bus i/o timing */
@@ -3056,18 +3069,18 @@ Comments: To prevent data from being enqueued or dequeued in the Tx FIFO
           this function.
 Warnings: No context switches are allowed while executing this function.
 */
-void sFlushTxFIFO(CHANNEL_T * ChP)
+static void sFlushTxFIFO(CHANNEL_T * ChP)
 {
 	int i;
 	Byte_t Ch;		/* channel number within AIOP */
-	int TxEnabled;		/* TRUE if transmitter enabled */
+	int TxEnabled;		/* 1 if transmitter enabled */
 
 	if (sGetTxCnt(ChP) == 0)	/* Tx FIFO empty */
 		return;		/* don't need to flush */
 
-	TxEnabled = FALSE;
+	TxEnabled = 0;
 	if (ChP->TxControl[3] & TX_ENABLE) {
-		TxEnabled = TRUE;
+		TxEnabled = 1;
 		sDisTransmit(ChP);	/* disable transmitter */
 	}
 	sStopRxProcessor(ChP);	/* stop Rx processor */
@@ -3096,7 +3109,7 @@ Comments: The priority byte is transmitted before any data in the Tx FIFO.
 
 Warnings: No context switches are allowed while executing this function.
 */
-int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data)
+static int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data)
 {
 	Byte_t DWBuf[4];	/* buffer for double word writes */
 	Word_t *WordPtr;	/* must be far because Win SS != DS */
@@ -3158,7 +3171,7 @@ Comments: If an interrupt enable flag is set in Flags, that interrupt will be
           enable channel interrupts.  This would allow the global interrupt
           status register to be used to determine which AIOPs need service.
 */
-void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags)
+static void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags)
 {
 	Byte_t Mask;		/* Interrupt Mask Register */
 
@@ -3202,7 +3215,7 @@ Comments: If an interrupt flag is set in Flags, that interrupt will be
           this channel's bit from being set in the AIOP's Interrupt Channel
           Register.
 */
-void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags)
+static void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags)
 {
 	Byte_t Mask;		/* Interrupt Mask Register */
 
@@ -3218,7 +3231,7 @@ void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags)
 	}
 }
 
-void sSetInterfaceMode(CHANNEL_T * ChP, Byte_t mode)
+static void sSetInterfaceMode(CHANNEL_T * ChP, Byte_t mode)
 {
 	sOutB(ChP->CtlP->AiopIO[2], (mode & 0x18) | ChP->ChanNum);
 }
@@ -3227,7 +3240,7 @@ void sSetInterfaceMode(CHANNEL_T * ChP, Byte_t mode)
  *  Not an official SSCI function, but how to reset RocketModems.
  *  ISA bus version
  */
-void sModemReset(CONTROLLER_T * CtlP, int chan, int on)
+static void sModemReset(CONTROLLER_T * CtlP, int chan, int on)
 {
 	ByteIO_t addr;
 	Byte_t val;
@@ -3252,7 +3265,7 @@ void sModemReset(CONTROLLER_T * CtlP, int chan, int on)
  *  Not an official SSCI function, but how to reset RocketModems.
  *  PCI bus version
  */
-void sPCIModemReset(CONTROLLER_T * CtlP, int chan, int on)
+static void sPCIModemReset(CONTROLLER_T * CtlP, int chan, int on)
 {
 	ByteIO_t addr;
 
diff --git a/drivers/char/rocket_int.h b/drivers/char/rocket_int.h
index 8026872..3a8bcc8 100644
--- a/drivers/char/rocket_int.h
+++ b/drivers/char/rocket_int.h
@@ -1130,46 +1130,6 @@ Warnings: This function writes the data byte without checking to see if
 */
 #define sWriteTxByte(IO,DATA) sOutB(IO,DATA)
 
-int sInitController(CONTROLLER_T * CtlP,
-		    int CtlNum,
-		    ByteIO_t MudbacIO,
-		    ByteIO_t * AiopIOList,
-		    int AiopIOListSize,
-		    int IRQNum, Byte_t Frequency, int PeriodicOnly);
-
-int sPCIInitController(CONTROLLER_T * CtlP,
-		       int CtlNum,
-		       ByteIO_t * AiopIOList,
-		       int AiopIOListSize,
-		       WordIO_t ConfigIO,
-		       int IRQNum,
-		       Byte_t Frequency,
-		       int PeriodicOnly,
-		       int altChanRingIndicator, int UPCIRingInd);
-
-int sReadAiopID(ByteIO_t io);
-int sReadAiopNumChan(WordIO_t io);
-int sInitChan(CONTROLLER_T * CtlP,
-	      CHANNEL_T * ChP, int AiopNum, int ChanNum);
-Byte_t sGetRxErrStatus(CHANNEL_T * ChP);
-void sStopRxProcessor(CHANNEL_T * ChP);
-void sStopSWInFlowCtl(CHANNEL_T * ChP);
-void sFlushRxFIFO(CHANNEL_T * ChP);
-void sFlushTxFIFO(CHANNEL_T * ChP);
-int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data);
-void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags);
-void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags);
-void sModemReset(CONTROLLER_T * CtlP, int chan, int on);
-void sPCIModemReset(CONTROLLER_T * CtlP, int chan, int on);
-void sSetInterfaceMode(CHANNEL_T * ChP, Byte_t mode);
-
-extern Byte_t R[RDATASIZE];
-extern CONTROLLER_T sController[CTL_SIZE];
-extern Byte_t sIRQMap[16];
-extern Byte_t sBitMapClrTbl[8];
-extern Byte_t sBitMapSetTbl[8];
-extern int sClockPrescale;
-
 /*
  * Begin Linux specific definitions for the Rocketport driver
  *
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index ff4f098..cd4fe8b 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -78,6 +78,7 @@
 #include <linux/sysctl.h>
 #include <linux/wait.h>
 #include <linux/bcd.h>
+#include <linux/delay.h>
 
 #include <asm/current.h>
 #include <asm/uaccess.h>
@@ -894,7 +895,6 @@ static int __init rtc_init(void)
 	struct proc_dir_entry *ent;
 #if defined(__alpha__) || defined(__mips__)
 	unsigned int year, ctrl;
-	unsigned long uip_watchdog;
 	char *guess = NULL;
 #endif
 #ifdef __sparc__
@@ -1000,12 +1000,8 @@ no_irq:
 	/* Each operating system on an Alpha uses its own epoch.
 	   Let's try to guess which one we are using now. */
 	
-	uip_watchdog = jiffies;
 	if (rtc_is_updating() != 0)
-		while (jiffies - uip_watchdog < 2*HZ/100) { 
-			barrier();
-			cpu_relax();
-		}
+		msleep(20);
 	
 	spin_lock_irq(&rtc_lock);
 	year = CMOS_READ(RTC_YEAR);
@@ -1221,7 +1217,7 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 
 	/*
 	 * read RTC once any update in progress is done. The update
-	 * can take just over 2ms. We wait 10 to 20ms. There is no need to
+	 * can take just over 2ms. We wait 20ms. There is no need to
 	 * to poll-wait (up to 1s - eeccch) for the falling edge of RTC_UIP.
 	 * If you need to know *exactly* when a second has started, enable
 	 * periodic update complete interrupts, (via ioctl) and then 
@@ -1229,11 +1225,10 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 	 * Once the read clears, read the RTC time (again via ioctl). Easy.
 	 */
 
-	if (rtc_is_updating() != 0)
-		while (jiffies - uip_watchdog < 2*HZ/100) {
-			barrier();
-			cpu_relax();
-		}
+	while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100) {
+		barrier();
+		cpu_relax();
+	}
 
 	/*
 	 * Only the values that we read from the RTC are set. We leave
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index e3c0b52..261a41b 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -357,6 +357,8 @@ static struct file_operations scdrv_fops = {
 	.release =	scdrv_release,
 };
 
+static struct class *snsc_class;
+
 /*
  * scdrv_init
  *
@@ -372,7 +374,6 @@ scdrv_init(void)
 	char *devnamep;
 	struct sysctl_data_s *scd;
 	void *salbuf;
-	struct class_simple *snsc_class;
 	dev_t first_dev, dev;
 	nasid_t event_nasid = ia64_sn_get_console_nasid();
 
@@ -382,7 +383,7 @@ scdrv_init(void)
 		       __FUNCTION__);
 		return -ENODEV;
 	}
-	snsc_class = class_simple_create(THIS_MODULE, SYSCTL_BASENAME);
+	snsc_class = class_create(THIS_MODULE, SYSCTL_BASENAME);
 
 	for (cnode = 0; cnode < numionodes; cnode++) {
 			geoid = cnodeid_get_geoid(cnode);
@@ -436,7 +437,7 @@ scdrv_init(void)
 				continue;
 			}
 
-			class_simple_device_add(snsc_class, dev, NULL,
+			class_device_create(snsc_class, dev, NULL,
 						"%s", devname);
 
 			ia64_sn_irtr_intr_enable(scd->scd_nasid,
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index fd04206..cefbe98 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -439,6 +439,11 @@ static struct {
 	{ 0, 0 },
 };
 
+struct sonypi_keypress {
+	struct input_dev *dev;
+	int key;
+};
+
 static struct sonypi_device {
 	struct pci_dev *dev;
 	struct platform_device *pdev;
@@ -710,22 +715,61 @@ static void sonypi_setbluetoothpower(u8 state)
 
 static void input_keyrelease(void *data)
 {
-	struct input_dev *input_dev;
-	int key;
-
-	while (1) {
-		if (kfifo_get(sonypi_device.input_fifo,
-			      (unsigned char *)&input_dev,
-			      sizeof(input_dev)) != sizeof(input_dev))
-			return;
-		if (kfifo_get(sonypi_device.input_fifo,
-			      (unsigned char *)&key,
-			      sizeof(key)) != sizeof(key))
-			return;
+	struct sonypi_keypress kp;
 
+	while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
+			 sizeof(kp)) == sizeof(kp)) {
 		msleep(10);
-		input_report_key(input_dev, key, 0);
-		input_sync(input_dev);
+		input_report_key(kp.dev, kp.key, 0);
+		input_sync(kp.dev);
+	}
+}
+
+static void sonypi_report_input_event(u8 event)
+{
+	struct input_dev *jog_dev = &sonypi_device.input_jog_dev;
+	struct input_dev *key_dev = &sonypi_device.input_key_dev;
+	struct sonypi_keypress kp = { NULL };
+	int i;
+
+	switch (event) {
+	case SONYPI_EVENT_JOGDIAL_UP:
+	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
+		input_report_rel(jog_dev, REL_WHEEL, 1);
+		input_sync(jog_dev);
+		break;
+
+	case SONYPI_EVENT_JOGDIAL_DOWN:
+	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
+		input_report_rel(jog_dev, REL_WHEEL, -1);
+		input_sync(jog_dev);
+		break;
+
+	case SONYPI_EVENT_JOGDIAL_PRESSED:
+		kp.key = BTN_MIDDLE;
+		kp.dev = jog_dev;
+		break;
+
+	case SONYPI_EVENT_FNKEY_RELEASED:
+		/* Nothing, not all VAIOs generate this event */
+		break;
+
+	default:
+		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
+			if (event == sonypi_inputkeys[i].sonypiev) {
+				kp.dev = key_dev;
+				kp.key = sonypi_inputkeys[i].inputev;
+				break;
+			}
+		break;
+	}
+
+	if (kp.dev) {
+		input_report_key(kp.dev, kp.key, 1);
+		input_sync(kp.dev);
+		kfifo_put(sonypi_device.input_fifo,
+			  (unsigned char *)&kp, sizeof(kp));
+		schedule_work(&sonypi_device.input_work);
 	}
 }
 
@@ -768,51 +812,8 @@ found:
 		printk(KERN_INFO
 		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
 
-	if (useinput) {
-		struct input_dev *input_jog_dev = &sonypi_device.input_jog_dev;
-		struct input_dev *input_key_dev = &sonypi_device.input_key_dev;
-		switch (event) {
-		case SONYPI_EVENT_JOGDIAL_UP:
-		case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
-			input_report_rel(input_jog_dev, REL_WHEEL, 1);
-			break;
-		case SONYPI_EVENT_JOGDIAL_DOWN:
-		case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
-			input_report_rel(input_jog_dev, REL_WHEEL, -1);
-			break;
-		case SONYPI_EVENT_JOGDIAL_PRESSED: {
-			int key = BTN_MIDDLE;
-			input_report_key(input_jog_dev, key, 1);
-			kfifo_put(sonypi_device.input_fifo,
-				  (unsigned char *)&input_jog_dev,
-				  sizeof(input_jog_dev));
-			kfifo_put(sonypi_device.input_fifo,
-				  (unsigned char *)&key, sizeof(key));
-			break;
-		}
-		case SONYPI_EVENT_FNKEY_RELEASED:
-			/* Nothing, not all VAIOs generate this event */
-			break;
-		}
-		input_sync(input_jog_dev);
-
-		for (i = 0; sonypi_inputkeys[i].sonypiev; i++) {
-			int key;
-
-			if (event != sonypi_inputkeys[i].sonypiev)
-				continue;
-
-			key = sonypi_inputkeys[i].inputev;
-			input_report_key(input_key_dev, key, 1);
-			kfifo_put(sonypi_device.input_fifo,
-				  (unsigned char *)&input_key_dev,
-				  sizeof(input_key_dev));
-			kfifo_put(sonypi_device.input_fifo,
-				  (unsigned char *)&key, sizeof(key));
-		}
-		input_sync(input_key_dev);
-		schedule_work(&sonypi_device.input_work);
-	}
+	if (useinput)
+		sonypi_report_input_event(event);
 
 	kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
 	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
@@ -1227,14 +1228,7 @@ static int __devinit sonypi_probe(void)
 		sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
 			BIT(BTN_MIDDLE);
 		sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
-		sonypi_device.input_jog_dev.name =
-			kmalloc(sizeof(SONYPI_JOG_INPUTNAME), GFP_KERNEL);
-		if (!sonypi_device.input_jog_dev.name) {
-			printk(KERN_ERR "sonypi: kmalloc failed\n");
-			ret = -ENOMEM;
-			goto out_inkmallocinput1;
-		}
-		sprintf(sonypi_device.input_jog_dev.name, SONYPI_JOG_INPUTNAME);
+		sonypi_device.input_jog_dev.name = SONYPI_JOG_INPUTNAME;
 		sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
 		sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
 
@@ -1248,14 +1242,7 @@ static int __devinit sonypi_probe(void)
 			if (sonypi_inputkeys[i].inputev)
 				set_bit(sonypi_inputkeys[i].inputev,
 					sonypi_device.input_key_dev.keybit);
-		sonypi_device.input_key_dev.name =
-			kmalloc(sizeof(SONYPI_KEY_INPUTNAME), GFP_KERNEL);
-		if (!sonypi_device.input_key_dev.name) {
-			printk(KERN_ERR "sonypi: kmalloc failed\n");
-			ret = -ENOMEM;
-			goto out_inkmallocinput2;
-		}
-		sprintf(sonypi_device.input_key_dev.name, SONYPI_KEY_INPUTNAME);
+		sonypi_device.input_key_dev.name = SONYPI_KEY_INPUTNAME;
 		sonypi_device.input_key_dev.id.bustype = BUS_ISA;
 		sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
 
@@ -1313,11 +1300,7 @@ out_platformdev:
 	kfifo_free(sonypi_device.input_fifo);
 out_infifo:
 	input_unregister_device(&sonypi_device.input_key_dev);
-	kfree(sonypi_device.input_key_dev.name);
-out_inkmallocinput2:
 	input_unregister_device(&sonypi_device.input_jog_dev);
-	kfree(sonypi_device.input_jog_dev.name);
-out_inkmallocinput1:
 	free_irq(sonypi_device.irq, sonypi_irq);
 out_reqirq:
 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
@@ -1337,13 +1320,14 @@ static void __devexit sonypi_remove(void)
 {
 	sonypi_disable();
 
+	synchronize_sched();  /* Allow sonypi interrupt to complete. */
+	flush_scheduled_work();
+
 	platform_device_unregister(sonypi_device.pdev);
 
 	if (useinput) {
 		input_unregister_device(&sonypi_device.input_key_dev);
-		kfree(sonypi_device.input_key_dev.name);
 		input_unregister_device(&sonypi_device.input_jog_dev);
-		kfree(sonypi_device.input_jog_dev.name);
 		kfifo_free(sonypi_device.input_fifo);
 	}
 
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index b8899f5..951545a 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -719,7 +719,7 @@ static struct file_operations	stl_fsiomem = {
 
 /*****************************************************************************/
 
-static struct class_simple *stallion_class;
+static struct class *stallion_class;
 
 /*
  *	Loadable module initialization stuff.
@@ -777,13 +777,13 @@ static void __exit stallion_module_exit(void)
 	}
 	for (i = 0; i < 4; i++) {
 		devfs_remove("staliomem/%d", i);
-		class_simple_device_remove(MKDEV(STL_SIOMEMMAJOR, i));
+		class_device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i));
 	}
 	devfs_remove("staliomem");
 	if ((i = unregister_chrdev(STL_SIOMEMMAJOR, "staliomem")))
 		printk("STALLION: failed to un-register serial memory device, "
 			"errno=%d\n", -i);
-	class_simple_destroy(stallion_class);
+	class_destroy(stallion_class);
 
 	if (stl_tmpwritebuf != (char *) NULL)
 		kfree(stl_tmpwritebuf);
@@ -3090,12 +3090,12 @@ static int __init stl_init(void)
 		printk("STALLION: failed to register serial board device\n");
 	devfs_mk_dir("staliomem");
 
-	stallion_class = class_simple_create(THIS_MODULE, "staliomem");
+	stallion_class = class_create(THIS_MODULE, "staliomem");
 	for (i = 0; i < 4; i++) {
 		devfs_mk_cdev(MKDEV(STL_SIOMEMMAJOR, i),
 				S_IFCHR|S_IRUSR|S_IWUSR,
 				"staliomem/%d", i);
-		class_simple_device_add(stallion_class, MKDEV(STL_SIOMEMMAJOR, i), NULL, "staliomem%d", i);
+		class_device_create(stallion_class, MKDEV(STL_SIOMEMMAJOR, i), NULL, "staliomem%d", i);
 	}
 
 	stl_serial->owner = THIS_MODULE;
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index f59f7cb..feb2515 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -35,6 +35,7 @@
 #include <linux/spinlock.h>
 #include <linux/vt_kern.h>
 #include <linux/workqueue.h>
+#include <linux/kexec.h>
 
 #include <asm/ptrace.h>
 
@@ -94,12 +95,27 @@ static struct sysrq_key_op sysrq_unraw_op = {
 };
 #endif /* CONFIG_VT */
 
+#ifdef CONFIG_KEXEC
+/* crashdump sysrq handler */
+static void sysrq_handle_crashdump(int key, struct pt_regs *pt_regs,
+				struct tty_struct *tty)
+{
+	crash_kexec(pt_regs);
+}
+static struct sysrq_key_op sysrq_crashdump_op = {
+	.handler	= sysrq_handle_crashdump,
+	.help_msg	= "Crashdump",
+	.action_msg	= "Trigger a crashdump",
+	.enable_mask	= SYSRQ_ENABLE_DUMP,
+};
+#endif
+
 /* reboot sysrq handler */
 static void sysrq_handle_reboot(int key, struct pt_regs *pt_regs,
 				struct tty_struct *tty) 
 {
 	local_irq_enable();
-	machine_restart(NULL);
+	emergency_restart();
 }
 
 static struct sysrq_key_op sysrq_reboot_op = {
@@ -212,7 +228,7 @@ static struct sysrq_key_op sysrq_term_op = {
 
 static void moom_callback(void *ignored)
 {
-	out_of_memory(GFP_KERNEL);
+	out_of_memory(GFP_KERNEL, 0);
 }
 
 static DECLARE_WORK(moom_work, moom_callback, NULL);
@@ -273,8 +289,12 @@ static struct sysrq_key_op *sysrq_key_table[SYSRQ_KEY_TABLE_LENGTH] = {
 		 it is handled specially on the sparc
 		 and will never arrive */
 /* b */	&sysrq_reboot_op,
-/* c */ NULL,
-/* d */	NULL,
+#ifdef CONFIG_KEXEC
+/* c */ &sysrq_crashdump_op,
+#else
+/* c */	NULL,
+#endif
+/* d */ NULL,
 /* e */	&sysrq_term_op,
 /* f */	&sysrq_moom_op,
 /* g */	NULL,
diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c
index 5413f29..eb7058c 100644
--- a/drivers/char/tb0219.c
+++ b/drivers/char/tb0219.c
@@ -24,6 +24,8 @@
 
 #include <asm/io.h>
 #include <asm/reboot.h>
+#include <asm/vr41xx/giu.h>
+#include <asm/vr41xx/tb0219.h>
 
 MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>");
 MODULE_DESCRIPTION("TANBAC TB0219 base board driver");
@@ -266,6 +268,21 @@ static void tb0219_restart(char *command)
 	tb0219_write(TB0219_RESET, 0);
 }
 
+static void tb0219_pci_irq_init(void)
+{
+	/* PCI Slot 1 */
+	vr41xx_set_irq_trigger(TB0219_PCI_SLOT1_PIN, IRQ_TRIGGER_LEVEL, IRQ_SIGNAL_THROUGH);
+	vr41xx_set_irq_level(TB0219_PCI_SLOT1_PIN, IRQ_LEVEL_LOW);
+
+	/* PCI Slot 2 */
+	vr41xx_set_irq_trigger(TB0219_PCI_SLOT2_PIN, IRQ_TRIGGER_LEVEL, IRQ_SIGNAL_THROUGH);
+	vr41xx_set_irq_level(TB0219_PCI_SLOT2_PIN, IRQ_LEVEL_LOW);
+
+	/* PCI Slot 3 */
+	vr41xx_set_irq_trigger(TB0219_PCI_SLOT3_PIN, IRQ_TRIGGER_LEVEL, IRQ_SIGNAL_THROUGH);
+	vr41xx_set_irq_level(TB0219_PCI_SLOT3_PIN, IRQ_LEVEL_LOW);
+}
+
 static int tb0219_probe(struct device *dev)
 {
 	int retval;
@@ -292,6 +309,8 @@ static int tb0219_probe(struct device *dev)
 	old_machine_restart = _machine_restart;
 	_machine_restart = tb0219_restart;
 
+	tb0219_pci_irq_init();
+
 	if (major == 0) {
 		major = retval;
 		printk(KERN_INFO "TB0219: major number %d\n", major);
diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c
index 0c5ba9d..ec78d2f 100644
--- a/drivers/char/tipar.c
+++ b/drivers/char/tipar.c
@@ -90,7 +90,7 @@ static int timeout = TIMAXTIME;	/* timeout in tenth of seconds     */
 static unsigned int tp_count;	/* tipar count */
 static unsigned long opened;	/* opened devices */
 
-static struct class_simple *tipar_class;
+static struct class *tipar_class;
 
 /* --- macros for parport access -------------------------------------- */
 
@@ -396,7 +396,7 @@ static struct file_operations tipar_fops = {
 static int __init
 tipar_setup(char *str)
 {
-	int ints[2];
+	int ints[3];
 
 	str = get_options(str, ARRAY_SIZE(ints), ints);
 
@@ -436,7 +436,7 @@ tipar_register(int nr, struct parport *port)
 		goto out;
 	}
 
-	class_simple_device_add(tipar_class, MKDEV(TIPAR_MAJOR,
+	class_device_create(tipar_class, MKDEV(TIPAR_MAJOR,
 			TIPAR_MINOR + nr), NULL, "par%d", nr);
 	/* Use devfs, tree: /dev/ticables/par/[0..2] */
 	err = devfs_mk_cdev(MKDEV(TIPAR_MAJOR, TIPAR_MINOR + nr),
@@ -458,8 +458,8 @@ tipar_register(int nr, struct parport *port)
 	goto out;
 
 out_class:
-	class_simple_device_remove(MKDEV(TIPAR_MAJOR, TIPAR_MINOR + nr));
-	class_simple_destroy(tipar_class);
+	class_device_destroy(tipar_class, MKDEV(TIPAR_MAJOR, TIPAR_MINOR + nr));
+	class_destroy(tipar_class);
 out:
 	return err;
 }
@@ -505,7 +505,7 @@ tipar_init_module(void)
 	/* Use devfs with tree: /dev/ticables/par/[0..2] */
 	devfs_mk_dir("ticables/par");
 
-	tipar_class = class_simple_create(THIS_MODULE, "ticables");
+	tipar_class = class_create(THIS_MODULE, "ticables");
 	if (IS_ERR(tipar_class)) {
 		err = PTR_ERR(tipar_class);
 		goto out_chrdev;
@@ -539,10 +539,10 @@ tipar_cleanup_module(void)
 		if (table[i].dev == NULL)
 			continue;
 		parport_unregister_device(table[i].dev);
-		class_simple_device_remove(MKDEV(TIPAR_MAJOR, i));
+		class_device_destroy(tipar_class, MKDEV(TIPAR_MAJOR, i));
 		devfs_remove("ticables/par/%d", i);
 	}
-	class_simple_destroy(tipar_class);
+	class_destroy(tipar_class);
 	devfs_remove("ticables/par");
 
 	pr_info("tipar: module unloaded\n");
diff --git a/drivers/char/toshiba.c b/drivers/char/toshiba.c
index 58e21fe..0c6f521 100644
--- a/drivers/char/toshiba.c
+++ b/drivers/char/toshiba.c
@@ -73,16 +73,20 @@
 
 #define TOSH_MINOR_DEV 181
 
-static int tosh_id = 0x0000;
-static int tosh_bios = 0x0000;
-static int tosh_date = 0x0000;
-static int tosh_sci = 0x0000;
-static int tosh_fan = 0;
-
-static int tosh_fn = 0;
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jonathan Buzzard <jonathan@buzzard.org.uk>");
+MODULE_DESCRIPTION("Toshiba laptop SMM driver");
+MODULE_SUPPORTED_DEVICE("toshiba");
 
-module_param(tosh_fn, int, 0);
+static int tosh_fn;
+module_param_named(fn, tosh_fn, int, 0);
+MODULE_PARM_DESC(fn, "User specified Fn key detection port");
 
+static int tosh_id;
+static int tosh_bios;
+static int tosh_date;
+static int tosh_sci;
+static int tosh_fan;
 
 static int tosh_ioctl(struct inode *, struct file *, unsigned int,
 	unsigned long);
@@ -359,7 +363,7 @@ static int tosh_get_machine_id(void)
 	unsigned long address;
 
 	id = (0x100*(int) isa_readb(0xffffe))+((int) isa_readb(0xffffa));
-	
+
 	/* do we have a SCTTable machine identication number on our hands */
 
 	if (id==0xfc2f) {
@@ -424,7 +428,7 @@ static int tosh_probe(void)
 	}
 
 	/* call the Toshiba SCI support check routine */
-	
+
 	regs.eax = 0xf0f0;
 	regs.ebx = 0x0000;
 	regs.ecx = 0x0000;
@@ -440,7 +444,7 @@ static int tosh_probe(void)
 	/* if we get this far then we are running on a Toshiba (probably)! */
 
 	tosh_sci = regs.edx & 0xffff;
-	
+
 	/* next get the machine ID of the current laptop */
 
 	tosh_id = tosh_get_machine_id();
@@ -475,16 +479,15 @@ static int tosh_probe(void)
 	return 0;
 }
 
-int __init tosh_init(void)
+static int __init toshiba_init(void)
 {
 	int retval;
 	/* are we running on a Toshiba laptop */
 
-	if (tosh_probe()!=0)
-		return -EIO;
+	if (tosh_probe())
+		return -ENODEV;
 
-	printk(KERN_INFO "Toshiba System Managment Mode driver v"
-		TOSH_VERSION"\n");
+	printk(KERN_INFO "Toshiba System Managment Mode driver v" TOSH_VERSION "\n");
 
 	/* set the port to use for Fn status if not specified as a parameter */
 	if (tosh_fn==0x00)
@@ -492,12 +495,12 @@ int __init tosh_init(void)
 
 	/* register the device file */
 	retval = misc_register(&tosh_device);
-	if(retval < 0)
+	if (retval < 0)
 		return retval;
 
 #ifdef CONFIG_PROC_FS
 	/* register the proc entry */
-	if(create_proc_info_entry("toshiba", 0, NULL, tosh_get_info) == NULL){
+	if (create_proc_info_entry("toshiba", 0, NULL, tosh_get_info) == NULL) {
 		misc_deregister(&tosh_device);
 		return -ENOMEM;
 	}
@@ -506,27 +509,12 @@ int __init tosh_init(void)
 	return 0;
 }
 
-#ifdef MODULE
-int init_module(void)
-{
-	return tosh_init();
-}
-
-void cleanup_module(void)
+static void __exit toshiba_exit(void)
 {
-	/* remove the proc entry */
-
 	remove_proc_entry("toshiba", NULL);
-
-	/* unregister the device file */
-
 	misc_deregister(&tosh_device);
 }
-#endif
 
-MODULE_LICENSE("GPL");
-MODULE_PARM_DESC(tosh_fn, "User specified Fn key detection port");
-MODULE_AUTHOR("Jonathan Buzzard <jonathan@buzzard.org.uk>");
-MODULE_DESCRIPTION("Toshiba laptop SMM driver");
-MODULE_SUPPORTED_DEVICE("toshiba");
+module_init(toshiba_init);
+module_exit(toshiba_exit);
 
diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index 7a96977..79e9832 100644
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -17,6 +17,8 @@ config TCG_TPM
 	  obtained at: <http://sourceforge.net/projects/trousers>.  To 
 	  compile this driver as a module, choose M here; the module 
 	  will be called tpm. If unsure, say N.
+	  Note: For more TPM drivers enable CONFIG_PNP, CONFIG_ACPI_BUS
+	  and CONFIG_PNPACPI.
 
 config TCG_NSC
 	tristate "National Semiconductor TPM Interface"
@@ -35,5 +37,17 @@ config TCG_ATMEL
 	  will be accessible from within Linux.  To compile this driver 
 	  as a module, choose M here; the module will be called tpm_atmel.
 
+config TCG_INFINEON
+	tristate "Infineon Technologies TPM Interface"
+	depends on TCG_TPM && PNPACPI
+	---help---
+	  If you have a TPM security chip from Infineon Technologies
+	  (either SLD 9630 TT 1.1 or SLB 9635 TT 1.2) say Yes and it
+	  will be accessible from within Linux.
+	  To compile this driver as a module, choose M here; the module
+	  will be called tpm_infineon.
+	  Further information on this driver and the supported hardware
+	  can be found at http://www.prosec.rub.de/tpm
+
 endmenu
 
diff --git a/drivers/char/tpm/Makefile b/drivers/char/tpm/Makefile
index 736d3df..2392e40 100644
--- a/drivers/char/tpm/Makefile
+++ b/drivers/char/tpm/Makefile
@@ -4,4 +4,4 @@
 obj-$(CONFIG_TCG_TPM) += tpm.o
 obj-$(CONFIG_TCG_NSC) += tpm_nsc.o
 obj-$(CONFIG_TCG_ATMEL) += tpm_atmel.o
-
+obj-$(CONFIG_TCG_INFINEON) += tpm_infineon.o
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 8723533..049d128 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -19,7 +19,7 @@
  * 
  * Note, the TPM chip is not interrupt driven (only polling)
  * and can have very long timeouts (minutes!). Hence the unusual
- * calls to schedule_timeout.
+ * calls to msleep.
  *
  */
 
@@ -28,19 +28,16 @@
 #include <linux/spinlock.h>
 #include "tpm.h"
 
-#define	TPM_MINOR			224	/* officially assigned */
-
-#define	TPM_BUFSIZE			2048
-
-/* PCI configuration addresses */
-#define	PCI_GEN_PMCON_1			0xA0
-#define	PCI_GEN1_DEC			0xE4
-#define	PCI_LPC_EN			0xE6
-#define	PCI_GEN2_DEC			0xEC
+enum tpm_const {
+	TPM_MINOR = 224,	/* officially assigned */
+	TPM_BUFSIZE = 2048,
+	TPM_NUM_DEVICES = 256,
+	TPM_NUM_MASK_ENTRIES = TPM_NUM_DEVICES / (8 * sizeof(int))
+};
 
 static LIST_HEAD(tpm_chip_list);
 static DEFINE_SPINLOCK(driver_lock);
-static int dev_mask[32];
+static int dev_mask[TPM_NUM_MASK_ENTRIES];
 
 static void user_reader_timeout(unsigned long ptr)
 {
@@ -52,92 +49,17 @@ static void user_reader_timeout(unsigned long ptr)
 	up(&chip->buffer_mutex);
 }
 
-void tpm_time_expired(unsigned long ptr)
-{
-	int *exp = (int *) ptr;
-	*exp = 1;
-}
-
-EXPORT_SYMBOL_GPL(tpm_time_expired);
-
-/*
- * Initialize the LPC bus and enable the TPM ports
- */
-int tpm_lpc_bus_init(struct pci_dev *pci_dev, u16 base)
-{
-	u32 lpcenable, tmp;
-	int is_lpcm = 0;
-
-	switch (pci_dev->vendor) {
-	case PCI_VENDOR_ID_INTEL:
-		switch (pci_dev->device) {
-		case PCI_DEVICE_ID_INTEL_82801CA_12:
-		case PCI_DEVICE_ID_INTEL_82801DB_12:
-			is_lpcm = 1;
-			break;
-		}
-		/* init ICH (enable LPC) */
-		pci_read_config_dword(pci_dev, PCI_GEN1_DEC, &lpcenable);
-		lpcenable |= 0x20000000;
-		pci_write_config_dword(pci_dev, PCI_GEN1_DEC, lpcenable);
-
-		if (is_lpcm) {
-			pci_read_config_dword(pci_dev, PCI_GEN1_DEC,
-					      &lpcenable);
-			if ((lpcenable & 0x20000000) == 0) {
-				dev_err(&pci_dev->dev,
-					"cannot enable LPC\n");
-				return -ENODEV;
-			}
-		}
-
-		/* initialize TPM registers */
-		pci_read_config_dword(pci_dev, PCI_GEN2_DEC, &tmp);
-
-		if (!is_lpcm)
-			tmp = (tmp & 0xFFFF0000) | (base & 0xFFF0);
-		else
-			tmp =
-			    (tmp & 0xFFFF0000) | (base & 0xFFF0) |
-			    0x00000001;
-
-		pci_write_config_dword(pci_dev, PCI_GEN2_DEC, tmp);
-
-		if (is_lpcm) {
-			pci_read_config_dword(pci_dev, PCI_GEN_PMCON_1,
-					      &tmp);
-			tmp |= 0x00000004;	/* enable CLKRUN */
-			pci_write_config_dword(pci_dev, PCI_GEN_PMCON_1,
-					       tmp);
-		}
-		tpm_write_index(0x0D, 0x55);	/* unlock 4F */
-		tpm_write_index(0x0A, 0x00);	/* int disable */
-		tpm_write_index(0x08, base);	/* base addr lo */
-		tpm_write_index(0x09, (base & 0xFF00) >> 8);	/* base addr hi */
-		tpm_write_index(0x0D, 0xAA);	/* lock 4F */
-		break;
-	case PCI_VENDOR_ID_AMD:
-		/* nothing yet */
-		break;
-	}
-
-	return 0;
-}
-
-EXPORT_SYMBOL_GPL(tpm_lpc_bus_init);
-
 /*
  * Internal kernel interface to transmit TPM commands
  */
 static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
 			    size_t bufsiz)
 {
-	ssize_t len;
+	ssize_t rc;
 	u32 count;
-	__be32 *native_size;
+	unsigned long stop;
 
-	native_size = (__force __be32 *) (buf + 2);
-	count = be32_to_cpu(*native_size);
+	count = be32_to_cpu(*((__be32 *) (buf + 2)));
 
 	if (count == 0)
 		return -ENODATA;
@@ -149,53 +71,49 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
 
 	down(&chip->tpm_mutex);
 
-	if ((len = chip->vendor->send(chip, (u8 *) buf, count)) < 0) {
+	if ((rc = chip->vendor->send(chip, (u8 *) buf, count)) < 0) {
 		dev_err(&chip->pci_dev->dev,
-			"tpm_transmit: tpm_send: error %zd\n", len);
-		return len;
+			"tpm_transmit: tpm_send: error %zd\n", rc);
+		goto out;
 	}
 
-	down(&chip->timer_manipulation_mutex);
-	chip->time_expired = 0;
-	init_timer(&chip->device_timer);
-	chip->device_timer.function = tpm_time_expired;
-	chip->device_timer.expires = jiffies + 2 * 60 * HZ;
-	chip->device_timer.data = (unsigned long) &chip->time_expired;
-	add_timer(&chip->device_timer);
-	up(&chip->timer_manipulation_mutex);
-
+	stop = jiffies + 2 * 60 * HZ;
 	do {
 		u8 status = inb(chip->vendor->base + 1);
 		if ((status & chip->vendor->req_complete_mask) ==
 		    chip->vendor->req_complete_val) {
-			down(&chip->timer_manipulation_mutex);
-			del_singleshot_timer_sync(&chip->device_timer);
-			up(&chip->timer_manipulation_mutex);
 			goto out_recv;
 		}
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(TPM_TIMEOUT);
+
+		if ((status == chip->vendor->req_canceled)) {
+			dev_err(&chip->pci_dev->dev, "Operation Canceled\n");
+			rc = -ECANCELED;
+			goto out;
+		}
+
+		msleep(TPM_TIMEOUT);	/* CHECK */
 		rmb();
-	} while (!chip->time_expired);
+	} while (time_before(jiffies, stop));
 
 
 	chip->vendor->cancel(chip);
-	dev_err(&chip->pci_dev->dev, "Time expired\n");
-	up(&chip->tpm_mutex);
-	return -EIO;
+	dev_err(&chip->pci_dev->dev, "Operation Timed out\n");
+	rc = -ETIME;
+	goto out;
 
 out_recv:
-	len = chip->vendor->recv(chip, (u8 *) buf, bufsiz);
-	if (len < 0)
+	rc = chip->vendor->recv(chip, (u8 *) buf, bufsiz);
+	if (rc < 0)
 		dev_err(&chip->pci_dev->dev,
-			"tpm_transmit: tpm_recv: error %zd\n", len);
+			"tpm_transmit: tpm_recv: error %zd\n", rc);
+out:
 	up(&chip->tpm_mutex);
-	return len;
+	return rc;
 }
 
 #define TPM_DIGEST_SIZE 20
 #define CAP_PCR_RESULT_SIZE 18
-static u8 cap_pcr[] = {
+static const u8 cap_pcr[] = {
 	0, 193,			/* TPM_TAG_RQU_COMMAND */
 	0, 0, 0, 22,		/* length */
 	0, 0, 0, 101,		/* TPM_ORD_GetCapability */
@@ -205,75 +123,94 @@ static u8 cap_pcr[] = {
 };
 
 #define READ_PCR_RESULT_SIZE 30
-static u8 pcrread[] = {
+static const u8 pcrread[] = {
 	0, 193,			/* TPM_TAG_RQU_COMMAND */
 	0, 0, 0, 14,		/* length */
 	0, 0, 0, 21,		/* TPM_ORD_PcrRead */
 	0, 0, 0, 0		/* PCR index */
 };
 
-static ssize_t show_pcrs(struct device *dev, char *buf)
+ssize_t tpm_show_pcrs(struct device *dev, struct device_attribute *attr,
+		      char *buf)
 {
 	u8 data[READ_PCR_RESULT_SIZE];
 	ssize_t len;
-	int i, j, index, num_pcrs;
+	int i, j, num_pcrs;
+	__be32 index;
 	char *str = buf;
 
 	struct tpm_chip *chip =
-	    pci_get_drvdata(container_of(dev, struct pci_dev, dev));
+	    pci_get_drvdata(to_pci_dev(dev));
 	if (chip == NULL)
 		return -ENODEV;
 
 	memcpy(data, cap_pcr, sizeof(cap_pcr));
 	if ((len = tpm_transmit(chip, data, sizeof(data)))
-	    < CAP_PCR_RESULT_SIZE)
-		return len;
+	    < CAP_PCR_RESULT_SIZE) {
+		dev_dbg(&chip->pci_dev->dev, "A TPM error (%d) occurred "
+				"attempting to determine the number of PCRS\n",
+			be32_to_cpu(*((__be32 *) (data + 6))));
+		return 0;
+	}
 
-	num_pcrs = be32_to_cpu(*((__force __be32 *) (data + 14)));
+	num_pcrs = be32_to_cpu(*((__be32 *) (data + 14)));
 
 	for (i = 0; i < num_pcrs; i++) {
 		memcpy(data, pcrread, sizeof(pcrread));
 		index = cpu_to_be32(i);
 		memcpy(data + 10, &index, 4);
 		if ((len = tpm_transmit(chip, data, sizeof(data)))
-		    < READ_PCR_RESULT_SIZE)
-			return len;
+		    < READ_PCR_RESULT_SIZE){
+			dev_dbg(&chip->pci_dev->dev, "A TPM error (%d) occurred"
+				" attempting to read PCR %d of %d\n",
+				be32_to_cpu(*((__be32 *) (data + 6))), i, num_pcrs);
+			goto out;
+		}
 		str += sprintf(str, "PCR-%02d: ", i);
 		for (j = 0; j < TPM_DIGEST_SIZE; j++)
 			str += sprintf(str, "%02X ", *(data + 10 + j));
 		str += sprintf(str, "\n");
 	}
+out:
 	return str - buf;
 }
-
-static DEVICE_ATTR(pcrs, S_IRUGO, show_pcrs, NULL);
+EXPORT_SYMBOL_GPL(tpm_show_pcrs);
 
 #define  READ_PUBEK_RESULT_SIZE 314
-static u8 readpubek[] = {
+static const u8 readpubek[] = {
 	0, 193,			/* TPM_TAG_RQU_COMMAND */
 	0, 0, 0, 30,		/* length */
 	0, 0, 0, 124,		/* TPM_ORD_ReadPubek */
 };
 
-static ssize_t show_pubek(struct device *dev, char *buf)
+ssize_t tpm_show_pubek(struct device *dev, struct device_attribute *attr,
+		       char *buf)
 {
-	u8 data[READ_PUBEK_RESULT_SIZE];
+	u8 *data;
 	ssize_t len;
-	__be32 *native_val;
-	int i;
+	int i, rc;
 	char *str = buf;
 
 	struct tpm_chip *chip =
-	    pci_get_drvdata(container_of(dev, struct pci_dev, dev));
+	    pci_get_drvdata(to_pci_dev(dev));
 	if (chip == NULL)
 		return -ENODEV;
 
+	data = kmalloc(READ_PUBEK_RESULT_SIZE, GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
 	memcpy(data, readpubek, sizeof(readpubek));
 	memset(data + sizeof(readpubek), 0, 20);	/* zero nonce */
 
-	if ((len = tpm_transmit(chip, data, sizeof(data))) <
-	    READ_PUBEK_RESULT_SIZE)
-		return len;
+	if ((len = tpm_transmit(chip, data, READ_PUBEK_RESULT_SIZE)) <
+	    READ_PUBEK_RESULT_SIZE) {
+		dev_dbg(&chip->pci_dev->dev, "A TPM error (%d) occurred "
+				"attempting to read the PUBEK\n",
+			    be32_to_cpu(*((__be32 *) (data + 6))));
+		rc = 0;
+		goto out;
+	}
 
 	/* 
 	   ignore header 10 bytes
@@ -286,8 +223,6 @@ static ssize_t show_pubek(struct device *dev, char *buf)
 	   ignore checksum 20 bytes
 	 */
 
-	native_val = (__force __be32 *) (data + 34);
-
 	str +=
 	    sprintf(str,
 		    "Algorithm: %02X %02X %02X %02X\nEncscheme: %02X %02X\n"
@@ -298,21 +233,23 @@ static ssize_t show_pubek(struct device *dev, char *buf)
 		    data[15], data[16], data[17], data[22], data[23],
 		    data[24], data[25], data[26], data[27], data[28],
 		    data[29], data[30], data[31], data[32], data[33],
-		    be32_to_cpu(*native_val)
-	    );
+		    be32_to_cpu(*((__be32 *) (data + 34))));
 
 	for (i = 0; i < 256; i++) {
-		str += sprintf(str, "%02X ", data[i + 39]);
+		str += sprintf(str, "%02X ", data[i + 38]);
 		if ((i + 1) % 16 == 0)
 			str += sprintf(str, "\n");
 	}
-	return str - buf;
+	rc = str - buf;
+out:
+	kfree(data);
+	return rc;
 }
 
-static DEVICE_ATTR(pubek, S_IRUGO, show_pubek, NULL);
+EXPORT_SYMBOL_GPL(tpm_show_pubek);
 
 #define CAP_VER_RESULT_SIZE 18
-static u8 cap_version[] = {
+static const u8 cap_version[] = {
 	0, 193,			/* TPM_TAG_RQU_COMMAND */
 	0, 0, 0, 18,		/* length */
 	0, 0, 0, 101,		/* TPM_ORD_GetCapability */
@@ -321,7 +258,7 @@ static u8 cap_version[] = {
 };
 
 #define CAP_MANUFACTURER_RESULT_SIZE 18
-static u8 cap_manufacturer[] = {
+static const u8 cap_manufacturer[] = {
 	0, 193,			/* TPM_TAG_RQU_COMMAND */
 	0, 0, 0, 22,		/* length */
 	0, 0, 0, 101,		/* TPM_ORD_GetCapability */
@@ -330,14 +267,15 @@ static u8 cap_manufacturer[] = {
 	0, 0, 1, 3
 };
 
-static ssize_t show_caps(struct device *dev, char *buf)
+ssize_t tpm_show_caps(struct device *dev, struct device_attribute *attr,
+		      char *buf)
 {
-	u8 data[READ_PUBEK_RESULT_SIZE];
+	u8 data[sizeof(cap_manufacturer)];
 	ssize_t len;
 	char *str = buf;
 
 	struct tpm_chip *chip =
-	    pci_get_drvdata(container_of(dev, struct pci_dev, dev));
+	    pci_get_drvdata(to_pci_dev(dev));
 	if (chip == NULL)
 		return -ENODEV;
 
@@ -348,7 +286,7 @@ static ssize_t show_caps(struct device *dev, char *buf)
 		return len;
 
 	str += sprintf(str, "Manufacturer: 0x%x\n",
-		       be32_to_cpu(*(data + 14)));
+		       be32_to_cpu(*((__be32 *) (data + 14))));
 
 	memcpy(data, cap_version, sizeof(cap_version));
 
@@ -363,8 +301,20 @@ static ssize_t show_caps(struct device *dev, char *buf)
 
 	return str - buf;
 }
+EXPORT_SYMBOL_GPL(tpm_show_caps);
+
+ssize_t tpm_store_cancel(struct device *dev, struct device_attribute *attr,
+			const char *buf, size_t count)
+{
+	struct tpm_chip *chip = dev_get_drvdata(dev);
+	if (chip == NULL)
+		return 0;
+
+	chip->vendor->cancel(chip);
+	return count;
+}
+EXPORT_SYMBOL_GPL(tpm_store_cancel);
 
-static DEVICE_ATTR(caps, S_IRUGO, show_caps, NULL);
 
 /*
  * Device file system interface to the TPM
@@ -422,24 +372,15 @@ EXPORT_SYMBOL_GPL(tpm_open);
 int tpm_release(struct inode *inode, struct file *file)
 {
 	struct tpm_chip *chip = file->private_data;
-	
-	file->private_data = NULL;
 
 	spin_lock(&driver_lock);
+	file->private_data = NULL;
 	chip->num_opens--;
-	spin_unlock(&driver_lock);
-
-	down(&chip->timer_manipulation_mutex);
-	if (timer_pending(&chip->user_read_timer))
-		del_singleshot_timer_sync(&chip->user_read_timer);
-	else if (timer_pending(&chip->device_timer))
-		del_singleshot_timer_sync(&chip->device_timer);
-	up(&chip->timer_manipulation_mutex);
-
-	kfree(chip->data_buffer);
+	del_singleshot_timer_sync(&chip->user_read_timer);
 	atomic_set(&chip->data_pending, 0);
-
 	pci_dev_put(chip->pci_dev);
+	kfree(chip->data_buffer);
+	spin_unlock(&driver_lock);
 	return 0;
 }
 
@@ -453,10 +394,8 @@ ssize_t tpm_write(struct file * file, const char __user * buf,
 
 	/* cannot perform a write until the read has cleared
 	   either via tpm_read or a user_read_timer timeout */
-	while (atomic_read(&chip->data_pending) != 0) {
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(TPM_TIMEOUT);
-	}
+	while (atomic_read(&chip->data_pending) != 0)
+		msleep(TPM_TIMEOUT);
 
 	down(&chip->buffer_mutex);
 
@@ -476,13 +415,7 @@ ssize_t tpm_write(struct file * file, const char __user * buf,
 	up(&chip->buffer_mutex);
 
 	/* Set a timeout by which the reader must come claim the result */
-	down(&chip->timer_manipulation_mutex);
-	init_timer(&chip->user_read_timer);
-	chip->user_read_timer.function = user_reader_timeout;
-	chip->user_read_timer.data = (unsigned long) chip;
-	chip->user_read_timer.expires = jiffies + (60 * HZ);
-	add_timer(&chip->user_read_timer);
-	up(&chip->timer_manipulation_mutex);
+	mod_timer(&chip->user_read_timer, jiffies + (60 * HZ));
 
 	return in_size;
 }
@@ -493,29 +426,19 @@ ssize_t tpm_read(struct file * file, char __user * buf,
 		 size_t size, loff_t * off)
 {
 	struct tpm_chip *chip = file->private_data;
-	int ret_size = -ENODATA;
+	int ret_size;
 
-	if (atomic_read(&chip->data_pending) != 0) {	/* Result available */
-		down(&chip->timer_manipulation_mutex);
-		del_singleshot_timer_sync(&chip->user_read_timer);
-		up(&chip->timer_manipulation_mutex);
+	del_singleshot_timer_sync(&chip->user_read_timer);
+	ret_size = atomic_read(&chip->data_pending);
+	atomic_set(&chip->data_pending, 0);
+	if (ret_size > 0) {	/* relay data */
+		if (size < ret_size)
+			ret_size = size;
 
 		down(&chip->buffer_mutex);
-
-		ret_size = atomic_read(&chip->data_pending);
-		atomic_set(&chip->data_pending, 0);
-
-		if (ret_size == 0)	/* timeout just occurred */
-			ret_size = -ETIME;
-		else if (ret_size > 0) {	/* relay data */
-			if (size < ret_size)
-				ret_size = size;
-
-			if (copy_to_user((void __user *) buf,
-					 chip->data_buffer, ret_size)) {
-				ret_size = -EFAULT;
-			}
-		}
+		if (copy_to_user
+		    ((void __user *) buf, chip->data_buffer, ret_size))
+			ret_size = -EFAULT;
 		up(&chip->buffer_mutex);
 	}
 
@@ -541,14 +464,13 @@ void __devexit tpm_remove(struct pci_dev *pci_dev)
 
 	pci_set_drvdata(pci_dev, NULL);
 	misc_deregister(&chip->vendor->miscdev);
+	kfree(chip->vendor->miscdev.name);
 
-	device_remove_file(&pci_dev->dev, &dev_attr_pubek);
-	device_remove_file(&pci_dev->dev, &dev_attr_pcrs);
-	device_remove_file(&pci_dev->dev, &dev_attr_caps);
+	sysfs_remove_group(&pci_dev->dev.kobj, chip->vendor->attr_group);
 
 	pci_disable_device(pci_dev);
 
-	dev_mask[chip->dev_num / 32] &= !(1 << (chip->dev_num % 32));
+	dev_mask[chip->dev_num / TPM_NUM_MASK_ENTRIES ] &= !(1 << (chip->dev_num % TPM_NUM_MASK_ENTRIES));
 
 	kfree(chip);
 
@@ -590,10 +512,6 @@ int tpm_pm_resume(struct pci_dev *pci_dev)
 	if (chip == NULL)
 		return -ENODEV;
 
-	spin_lock(&driver_lock);
-	tpm_lpc_bus_init(pci_dev, chip->vendor->base);
-	spin_unlock(&driver_lock);
-
 	return 0;
 }
 
@@ -609,7 +527,9 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume);
 int tpm_register_hardware(struct pci_dev *pci_dev,
 			  struct tpm_vendor_specific *entry)
 {
-	char devname[7];
+#define DEVNAME_SIZE 7
+
+	char *devname;
 	struct tpm_chip *chip;
 	int i, j;
 
@@ -622,17 +542,21 @@ int tpm_register_hardware(struct pci_dev *pci_dev,
 
 	init_MUTEX(&chip->buffer_mutex);
 	init_MUTEX(&chip->tpm_mutex);
-	init_MUTEX(&chip->timer_manipulation_mutex);
 	INIT_LIST_HEAD(&chip->list);
 
+	init_timer(&chip->user_read_timer);
+	chip->user_read_timer.function = user_reader_timeout;
+	chip->user_read_timer.data = (unsigned long) chip;
+
 	chip->vendor = entry;
 
 	chip->dev_num = -1;
 
-	for (i = 0; i < 32; i++)
-		for (j = 0; j < 8; j++)
+	for (i = 0; i < TPM_NUM_MASK_ENTRIES; i++)
+		for (j = 0; j < 8 * sizeof(int); j++)
 			if ((dev_mask[i] & (1 << j)) == 0) {
-				chip->dev_num = i * 32 + j;
+				chip->dev_num =
+				    i * TPM_NUM_MASK_ENTRIES + j;
 				dev_mask[i] |= 1 << j;
 				goto dev_num_search_complete;
 			}
@@ -648,7 +572,8 @@ dev_num_search_complete:
 	else
 		chip->vendor->miscdev.minor = MISC_DYNAMIC_MINOR;
 
-	snprintf(devname, sizeof(devname), "%s%d", "tpm", chip->dev_num);
+	devname = kmalloc(DEVNAME_SIZE, GFP_KERNEL);
+	scnprintf(devname, DEVNAME_SIZE, "%s%d", "tpm", chip->dev_num);
 	chip->vendor->miscdev.name = devname;
 
 	chip->vendor->miscdev.dev = &(pci_dev->dev);
@@ -665,31 +590,20 @@ dev_num_search_complete:
 		return -ENODEV;
 	}
 
+	spin_lock(&driver_lock);
+
 	pci_set_drvdata(pci_dev, chip);
 
 	list_add(&chip->list, &tpm_chip_list);
 
-	device_create_file(&pci_dev->dev, &dev_attr_pubek);
-	device_create_file(&pci_dev->dev, &dev_attr_pcrs);
-	device_create_file(&pci_dev->dev, &dev_attr_caps);
-
-	return 0;
-}
+	spin_unlock(&driver_lock);
 
-EXPORT_SYMBOL_GPL(tpm_register_hardware);
+	sysfs_create_group(&pci_dev->dev.kobj, chip->vendor->attr_group);
 
-static int __init init_tpm(void)
-{
 	return 0;
 }
 
-static void __exit cleanup_tpm(void)
-{
-
-}
-
-module_init(init_tpm);
-module_exit(cleanup_tpm);
+EXPORT_SYMBOL_GPL(tpm_register_hardware);
 
 MODULE_AUTHOR("Leendert van Doorn (leendert@watson.ibm.com)");
 MODULE_DESCRIPTION("TPM Driver");
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index de0c796..373b41f 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -25,23 +25,38 @@
 #include <linux/fs.h>
 #include <linux/miscdevice.h>
 
-#define TPM_TIMEOUT msecs_to_jiffies(5)
+enum tpm_timeout {
+	TPM_TIMEOUT = 5,	/* msecs */
+};
 
 /* TPM addresses */
-#define	TPM_ADDR			0x4E
-#define	TPM_DATA			0x4F
+enum tpm_addr {
+	TPM_SUPERIO_ADDR = 0x2E,
+	TPM_ADDR = 0x4E,
+};
+
+extern ssize_t tpm_show_pubek(struct device *, struct device_attribute *attr,
+				char *);
+extern ssize_t tpm_show_pcrs(struct device *, struct device_attribute *attr,
+				char *);
+extern ssize_t tpm_show_caps(struct device *, struct device_attribute *attr,
+				char *);
+extern ssize_t tpm_store_cancel(struct device *, struct device_attribute *attr,
+				const char *, size_t);
 
 struct tpm_chip;
 
 struct tpm_vendor_specific {
 	u8 req_complete_mask;
 	u8 req_complete_val;
+	u8 req_canceled;
 	u16 base;		/* TPM base address */
 
 	int (*recv) (struct tpm_chip *, u8 *, size_t);
 	int (*send) (struct tpm_chip *, u8 *, size_t);
 	void (*cancel) (struct tpm_chip *);
 	struct miscdevice miscdev;
+	struct attribute_group *attr_group;
 };
 
 struct tpm_chip {
@@ -58,29 +73,24 @@ struct tpm_chip {
 
 	struct timer_list user_read_timer;	/* user needs to claim result */
 	struct semaphore tpm_mutex;	/* tpm is processing */
-	struct timer_list device_timer;	/* tpm is processing */
-	struct semaphore timer_manipulation_mutex;
 
 	struct tpm_vendor_specific *vendor;
 
 	struct list_head list;
 };
 
-static inline int tpm_read_index(int index)
+static inline int tpm_read_index(int base, int index)
 {
-	outb(index, TPM_ADDR);
-	return inb(TPM_DATA) & 0xFF;
+	outb(index, base);
+	return inb(base+1) & 0xFF;
 }
 
-static inline void tpm_write_index(int index, int value)
+static inline void tpm_write_index(int base, int index, int value)
 {
-	outb(index, TPM_ADDR);
-	outb(value & 0xFF, TPM_DATA);
+	outb(index, base);
+	outb(value & 0xFF, base+1);
 }
 
-extern void tpm_time_expired(unsigned long);
-extern int tpm_lpc_bus_init(struct pci_dev *, u16);
-
 extern int tpm_register_hardware(struct pci_dev *,
 				 struct tpm_vendor_specific *);
 extern int tpm_open(struct inode *, struct file *);
diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c
index f9333e7..cc2cc77 100644
--- a/drivers/char/tpm/tpm_atmel.c
+++ b/drivers/char/tpm/tpm_atmel.c
@@ -22,17 +22,23 @@
 #include "tpm.h"
 
 /* Atmel definitions */
-#define	TPM_ATML_BASE			0x400
+enum tpm_atmel_addr {
+	TPM_ATMEL_BASE_ADDR_LO = 0x08,
+	TPM_ATMEL_BASE_ADDR_HI = 0x09
+};
 
 /* write status bits */
-#define	ATML_STATUS_ABORT		0x01
-#define	ATML_STATUS_LASTBYTE		0x04
-
+enum tpm_atmel_write_status {
+	ATML_STATUS_ABORT = 0x01,
+	ATML_STATUS_LASTBYTE = 0x04
+};
 /* read status bits */
-#define	ATML_STATUS_BUSY		0x01
-#define	ATML_STATUS_DATA_AVAIL		0x02
-#define	ATML_STATUS_REWRITE		0x04
-
+enum tpm_atmel_read_status {
+	ATML_STATUS_BUSY = 0x01,
+	ATML_STATUS_DATA_AVAIL = 0x02,
+	ATML_STATUS_REWRITE = 0x04,
+	ATML_STATUS_READY = 0x08
+};
 
 static int tpm_atml_recv(struct tpm_chip *chip, u8 * buf, size_t count)
 {
@@ -121,13 +127,29 @@ static struct file_operations atmel_ops = {
 	.release = tpm_release,
 };
 
+static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
+static DEVICE_ATTR(pcrs, S_IRUGO, tpm_show_pcrs, NULL);
+static DEVICE_ATTR(caps, S_IRUGO, tpm_show_caps, NULL);
+static DEVICE_ATTR(cancel, S_IWUSR |S_IWGRP, NULL, tpm_store_cancel);
+
+static struct attribute* atmel_attrs[] = {
+	&dev_attr_pubek.attr,
+	&dev_attr_pcrs.attr,
+	&dev_attr_caps.attr,
+	&dev_attr_cancel.attr,
+	0,
+};
+
+static struct attribute_group atmel_attr_grp = { .attrs = atmel_attrs };
+
 static struct tpm_vendor_specific tpm_atmel = {
 	.recv = tpm_atml_recv,
 	.send = tpm_atml_send,
 	.cancel = tpm_atml_cancel,
 	.req_complete_mask = ATML_STATUS_BUSY | ATML_STATUS_DATA_AVAIL,
 	.req_complete_val = ATML_STATUS_DATA_AVAIL,
-	.base = TPM_ATML_BASE,
+	.req_canceled = ATML_STATUS_READY,
+	.attr_group = &atmel_attr_grp,
 	.miscdev = { .fops = &atmel_ops, },
 };
 
@@ -136,27 +158,29 @@ static int __devinit tpm_atml_init(struct pci_dev *pci_dev,
 {
 	u8 version[4];
 	int rc = 0;
+	int lo, hi;
 
 	if (pci_enable_device(pci_dev))
 		return -EIO;
 
-	if (tpm_lpc_bus_init(pci_dev, TPM_ATML_BASE)) {
-		rc = -ENODEV;
-		goto out_err;
-	}
+	lo = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_LO);
+	hi = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_HI);
+
+	tpm_atmel.base = (hi<<8)|lo;
+	dev_dbg( &pci_dev->dev, "Operating with base: 0x%x\n", tpm_atmel.base);
 
 	/* verify that it is an Atmel part */
-	if (tpm_read_index(4) != 'A' || tpm_read_index(5) != 'T'
-	    || tpm_read_index(6) != 'M' || tpm_read_index(7) != 'L') {
+	if (tpm_read_index(TPM_ADDR, 4) != 'A' || tpm_read_index(TPM_ADDR, 5) != 'T'
+	    || tpm_read_index(TPM_ADDR, 6) != 'M' || tpm_read_index(TPM_ADDR, 7) != 'L') {
 		rc = -ENODEV;
 		goto out_err;
 	}
 
 	/* query chip for its version number */
-	if ((version[0] = tpm_read_index(0x00)) != 0xFF) {
-		version[1] = tpm_read_index(0x01);
-		version[2] = tpm_read_index(0x02);
-		version[3] = tpm_read_index(0x03);
+	if ((version[0] = tpm_read_index(TPM_ADDR, 0x00)) != 0xFF) {
+		version[1] = tpm_read_index(TPM_ADDR, 0x01);
+		version[2] = tpm_read_index(TPM_ADDR, 0x02);
+		version[3] = tpm_read_index(TPM_ADDR, 0x03);
 	} else {
 		dev_info(&pci_dev->dev, "version query failed\n");
 		rc = -ENODEV;
@@ -183,6 +207,7 @@ static struct pci_device_id tpm_pci_tbl[] __devinitdata = {
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12)},
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0)},
 	{PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_LPC)},
+	{PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6LPC)},
 	{0,}
 };
 
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c
new file mode 100644
index 0000000..dc8c540
--- /dev/null
+++ b/drivers/char/tpm/tpm_infineon.c
@@ -0,0 +1,533 @@
+/*
+ * Description:
+ * Device Driver for the Infineon Technologies
+ * SLD 9630 TT 1.1 and SLB 9635 TT 1.2 Trusted Platform Module
+ * Specifications at www.trustedcomputinggroup.org
+ *
+ * Copyright (C) 2005, Marcel Selhorst <selhorst@crypto.rub.de>
+ * Applied Data Security Group, Ruhr-University Bochum, Germany
+ * Project-Homepage: http://www.prosec.rub.de/tpm
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, version 2 of the
+ * License.
+ */
+
+#include <acpi/acpi_bus.h>
+#include <linux/pnp.h>
+#include "tpm.h"
+
+/* Infineon specific definitions */
+/* maximum number of WTX-packages */
+#define	TPM_MAX_WTX_PACKAGES 	50
+/* msleep-Time for WTX-packages */
+#define	TPM_WTX_MSLEEP_TIME 	20
+/* msleep-Time --> Interval to check status register */
+#define	TPM_MSLEEP_TIME 	3
+/* gives number of max. msleep()-calls before throwing timeout */
+#define	TPM_MAX_TRIES		5000
+#define	TPM_INFINEON_DEV_VEN_VALUE	0x15D1
+
+/* These values will be filled after ACPI-call */
+static int TPM_INF_DATA = 0;
+static int TPM_INF_ADDR = 0;
+
+/* TPM header definitions */
+enum infineon_tpm_header {
+	TPM_VL_VER = 0x01,
+	TPM_VL_CHANNEL_CONTROL = 0x07,
+	TPM_VL_CHANNEL_PERSONALISATION = 0x0A,
+	TPM_VL_CHANNEL_TPM = 0x0B,
+	TPM_VL_CONTROL = 0x00,
+	TPM_INF_NAK = 0x15,
+	TPM_CTRL_WTX = 0x10,
+	TPM_CTRL_WTX_ABORT = 0x18,
+	TPM_CTRL_WTX_ABORT_ACK = 0x18,
+	TPM_CTRL_ERROR = 0x20,
+	TPM_CTRL_CHAININGACK = 0x40,
+	TPM_CTRL_CHAINING = 0x80,
+	TPM_CTRL_DATA = 0x04,
+	TPM_CTRL_DATA_CHA = 0x84,
+	TPM_CTRL_DATA_CHA_ACK = 0xC4
+};
+
+enum infineon_tpm_register {
+	WRFIFO = 0x00,
+	RDFIFO = 0x01,
+	STAT = 0x02,
+	CMD = 0x03
+};
+
+enum infineon_tpm_command_bits {
+	CMD_DIS = 0x00,
+	CMD_LP = 0x01,
+	CMD_RES = 0x02,
+	CMD_IRQC = 0x06
+};
+
+enum infineon_tpm_status_bits {
+	STAT_XFE = 0x00,
+	STAT_LPA = 0x01,
+	STAT_FOK = 0x02,
+	STAT_TOK = 0x03,
+	STAT_IRQA = 0x06,
+	STAT_RDA = 0x07
+};
+
+/* some outgoing values */
+enum infineon_tpm_values {
+	CHIP_ID1 = 0x20,
+	CHIP_ID2 = 0x21,
+	TPM_DAR = 0x30,
+	RESET_LP_IRQC_DISABLE = 0x41,
+	ENABLE_REGISTER_PAIR = 0x55,
+	IOLIMH = 0x60,
+	IOLIML = 0x61,
+	DISABLE_REGISTER_PAIR = 0xAA,
+	IDVENL = 0xF1,
+	IDVENH = 0xF2,
+	IDPDL = 0xF3,
+	IDPDH = 0xF4
+};
+
+static int number_of_wtx;
+
+static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
+{
+	int status;
+	int check = 0;
+	int i;
+
+	if (clear_wrfifo) {
+		for (i = 0; i < 4096; i++) {
+			status = inb(chip->vendor->base + WRFIFO);
+			if (status == 0xff) {
+				if (check == 5)
+					break;
+				else
+					check++;
+			}
+		}
+	}
+	/* Note: The values which are currently in the FIFO of the TPM
+	   are thrown away since there is no usage for them. Usually,
+	   this has nothing to say, since the TPM will give its answer
+	   immediately or will be aborted anyway, so the data here is
+	   usually garbage and useless.
+	   We have to clean this, because the next communication with
+	   the TPM would be rubbish, if there is still some old data
+	   in the Read FIFO.
+	 */
+	i = 0;
+	do {
+		status = inb(chip->vendor->base + RDFIFO);
+		status = inb(chip->vendor->base + STAT);
+		i++;
+		if (i == TPM_MAX_TRIES)
+			return -EIO;
+	} while ((status & (1 << STAT_RDA)) != 0);
+	return 0;
+}
+
+static int wait(struct tpm_chip *chip, int wait_for_bit)
+{
+	int status;
+	int i;
+	for (i = 0; i < TPM_MAX_TRIES; i++) {
+		status = inb(chip->vendor->base + STAT);
+		/* check the status-register if wait_for_bit is set */
+		if (status & 1 << wait_for_bit)
+			break;
+		msleep(TPM_MSLEEP_TIME);
+	}
+	if (i == TPM_MAX_TRIES) {	/* timeout occurs */
+		if (wait_for_bit == STAT_XFE)
+			dev_err(&chip->pci_dev->dev,
+				"Timeout in wait(STAT_XFE)\n");
+		if (wait_for_bit == STAT_RDA)
+			dev_err(&chip->pci_dev->dev,
+				"Timeout in wait(STAT_RDA)\n");
+		return -EIO;
+	}
+	return 0;
+};
+
+static void wait_and_send(struct tpm_chip *chip, u8 sendbyte)
+{
+	wait(chip, STAT_XFE);
+	outb(sendbyte, chip->vendor->base + WRFIFO);
+}
+
+    /* Note: WTX means Waiting-Time-Extension. Whenever the TPM needs more
+       calculation time, it sends a WTX-package, which has to be acknowledged
+       or aborted. This usually occurs if you are hammering the TPM with key
+       creation. Set the maximum number of WTX-packages in the definitions
+       above, if the number is reached, the waiting-time will be denied
+       and the TPM command has to be resend.
+     */
+
+static void tpm_wtx(struct tpm_chip *chip)
+{
+	number_of_wtx++;
+	dev_info(&chip->pci_dev->dev, "Granting WTX (%02d / %02d)\n",
+		 number_of_wtx, TPM_MAX_WTX_PACKAGES);
+	wait_and_send(chip, TPM_VL_VER);
+	wait_and_send(chip, TPM_CTRL_WTX);
+	wait_and_send(chip, 0x00);
+	wait_and_send(chip, 0x00);
+	msleep(TPM_WTX_MSLEEP_TIME);
+}
+
+static void tpm_wtx_abort(struct tpm_chip *chip)
+{
+	dev_info(&chip->pci_dev->dev, "Aborting WTX\n");
+	wait_and_send(chip, TPM_VL_VER);
+	wait_and_send(chip, TPM_CTRL_WTX_ABORT);
+	wait_and_send(chip, 0x00);
+	wait_and_send(chip, 0x00);
+	number_of_wtx = 0;
+	msleep(TPM_WTX_MSLEEP_TIME);
+}
+
+static int tpm_inf_recv(struct tpm_chip *chip, u8 * buf, size_t count)
+{
+	int i;
+	int ret;
+	u32 size = 0;
+
+recv_begin:
+	/* start receiving header */
+	for (i = 0; i < 4; i++) {
+		ret = wait(chip, STAT_RDA);
+		if (ret)
+			return -EIO;
+		buf[i] = inb(chip->vendor->base + RDFIFO);
+	}
+
+	if (buf[0] != TPM_VL_VER) {
+		dev_err(&chip->pci_dev->dev,
+			"Wrong transport protocol implementation!\n");
+		return -EIO;
+	}
+
+	if (buf[1] == TPM_CTRL_DATA) {
+		/* size of the data received */
+		size = ((buf[2] << 8) | buf[3]);
+
+		for (i = 0; i < size; i++) {
+			wait(chip, STAT_RDA);
+			buf[i] = inb(chip->vendor->base + RDFIFO);
+		}
+
+		if ((size == 0x6D00) && (buf[1] == 0x80)) {
+			dev_err(&chip->pci_dev->dev,
+				"Error handling on vendor layer!\n");
+			return -EIO;
+		}
+
+		for (i = 0; i < size; i++)
+			buf[i] = buf[i + 6];
+
+		size = size - 6;
+		return size;
+	}
+
+	if (buf[1] == TPM_CTRL_WTX) {
+		dev_info(&chip->pci_dev->dev, "WTX-package received\n");
+		if (number_of_wtx < TPM_MAX_WTX_PACKAGES) {
+			tpm_wtx(chip);
+			goto recv_begin;
+		} else {
+			tpm_wtx_abort(chip);
+			goto recv_begin;
+		}
+	}
+
+	if (buf[1] == TPM_CTRL_WTX_ABORT_ACK) {
+		dev_info(&chip->pci_dev->dev, "WTX-abort acknowledged\n");
+		return size;
+	}
+
+	if (buf[1] == TPM_CTRL_ERROR) {
+		dev_err(&chip->pci_dev->dev, "ERROR-package received:\n");
+		if (buf[4] == TPM_INF_NAK)
+			dev_err(&chip->pci_dev->dev,
+				"-> Negative acknowledgement"
+				" - retransmit command!\n");
+		return -EIO;
+	}
+	return -EIO;
+}
+
+static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count)
+{
+	int i;
+	int ret;
+	u8 count_high, count_low, count_4, count_3, count_2, count_1;
+
+	/* Disabling Reset, LP and IRQC */
+	outb(RESET_LP_IRQC_DISABLE, chip->vendor->base + CMD);
+
+	ret = empty_fifo(chip, 1);
+	if (ret) {
+		dev_err(&chip->pci_dev->dev, "Timeout while clearing FIFO\n");
+		return -EIO;
+	}
+
+	ret = wait(chip, STAT_XFE);
+	if (ret)
+		return -EIO;
+
+	count_4 = (count & 0xff000000) >> 24;
+	count_3 = (count & 0x00ff0000) >> 16;
+	count_2 = (count & 0x0000ff00) >> 8;
+	count_1 = (count & 0x000000ff);
+	count_high = ((count + 6) & 0xffffff00) >> 8;
+	count_low = ((count + 6) & 0x000000ff);
+
+	/* Sending Header */
+	wait_and_send(chip, TPM_VL_VER);
+	wait_and_send(chip, TPM_CTRL_DATA);
+	wait_and_send(chip, count_high);
+	wait_and_send(chip, count_low);
+
+	/* Sending Data Header */
+	wait_and_send(chip, TPM_VL_VER);
+	wait_and_send(chip, TPM_VL_CHANNEL_TPM);
+	wait_and_send(chip, count_4);
+	wait_and_send(chip, count_3);
+	wait_and_send(chip, count_2);
+	wait_and_send(chip, count_1);
+
+	/* Sending Data */
+	for (i = 0; i < count; i++) {
+		wait_and_send(chip, buf[i]);
+	}
+	return count;
+}
+
+static void tpm_inf_cancel(struct tpm_chip *chip)
+{
+	/*
+	   Since we are using the legacy mode to communicate
+	   with the TPM, we have no cancel functions, but have
+	   a workaround for interrupting the TPM through WTX.
+	 */
+}
+
+static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
+static DEVICE_ATTR(pcrs, S_IRUGO, tpm_show_pcrs, NULL);
+static DEVICE_ATTR(caps, S_IRUGO, tpm_show_caps, NULL);
+static DEVICE_ATTR(cancel, S_IWUSR | S_IWGRP, NULL, tpm_store_cancel);
+
+static struct attribute *inf_attrs[] = {
+	&dev_attr_pubek.attr,
+	&dev_attr_pcrs.attr,
+	&dev_attr_caps.attr,
+	&dev_attr_cancel.attr,
+	NULL,
+};
+
+static struct attribute_group inf_attr_grp = {.attrs = inf_attrs };
+
+static struct file_operations inf_ops = {
+	.owner = THIS_MODULE,
+	.llseek = no_llseek,
+	.open = tpm_open,
+	.read = tpm_read,
+	.write = tpm_write,
+	.release = tpm_release,
+};
+
+static struct tpm_vendor_specific tpm_inf = {
+	.recv = tpm_inf_recv,
+	.send = tpm_inf_send,
+	.cancel = tpm_inf_cancel,
+	.req_complete_mask = 0,
+	.req_complete_val = 0,
+	.attr_group = &inf_attr_grp,
+	.miscdev = {.fops = &inf_ops,},
+};
+
+static const struct pnp_device_id tpm_pnp_tbl[] = {
+	/* Infineon TPMs */
+	{"IFX0101", 0},
+	{"IFX0102", 0},
+	{"", 0}
+};
+
+static int __devinit tpm_inf_acpi_probe(struct pnp_dev *dev,
+					const struct pnp_device_id *dev_id)
+{
+	TPM_INF_ADDR = (pnp_port_start(dev, 0) & 0xff);
+	TPM_INF_DATA = ((TPM_INF_ADDR + 1) & 0xff);
+	tpm_inf.base = pnp_port_start(dev, 1);
+	dev_info(&dev->dev, "Found %s with ID %s\n",
+		 dev->name, dev_id->id);
+	if (!((tpm_inf.base >> 8) & 0xff))
+		tpm_inf.base = 0;
+	return 0;
+}
+
+static struct pnp_driver tpm_inf_pnp = {
+	.name = "tpm_inf_pnp",
+	.id_table = tpm_pnp_tbl,
+	.probe = tpm_inf_acpi_probe,
+};
+
+static int __devinit tpm_inf_probe(struct pci_dev *pci_dev,
+				   const struct pci_device_id *pci_id)
+{
+	int rc = 0;
+	u8 iol, ioh;
+	int vendorid[2];
+	int version[2];
+	int productid[2];
+	char chipname[20];
+
+	if (pci_enable_device(pci_dev))
+		return -EIO;
+
+	dev_info(&pci_dev->dev, "LPC-bus found at 0x%x\n", pci_id->device);
+
+	/* read IO-ports from ACPI */
+	pnp_register_driver(&tpm_inf_pnp);
+	pnp_unregister_driver(&tpm_inf_pnp);
+
+	/* Make sure, we have received valid config ports */
+	if (!TPM_INF_ADDR) {
+		pci_disable_device(pci_dev);
+		return -EIO;
+	}
+
+	/* query chip for its vendor, its version number a.s.o. */
+	outb(ENABLE_REGISTER_PAIR, TPM_INF_ADDR);
+	outb(IDVENL, TPM_INF_ADDR);
+	vendorid[1] = inb(TPM_INF_DATA);
+	outb(IDVENH, TPM_INF_ADDR);
+	vendorid[0] = inb(TPM_INF_DATA);
+	outb(IDPDL, TPM_INF_ADDR);
+	productid[1] = inb(TPM_INF_DATA);
+	outb(IDPDH, TPM_INF_ADDR);
+	productid[0] = inb(TPM_INF_DATA);
+	outb(CHIP_ID1, TPM_INF_ADDR);
+	version[1] = inb(TPM_INF_DATA);
+	outb(CHIP_ID2, TPM_INF_ADDR);
+	version[0] = inb(TPM_INF_DATA);
+
+	switch ((productid[0] << 8) | productid[1]) {
+	case 6:
+		sprintf(chipname, " (SLD 9630 TT 1.1)");
+		break;
+	case 11:
+		sprintf(chipname, " (SLB 9635 TT 1.2)");
+		break;
+	default:
+		sprintf(chipname, " (unknown chip)");
+		break;
+	}
+	chipname[19] = 0;
+
+	if ((vendorid[0] << 8 | vendorid[1]) == (TPM_INFINEON_DEV_VEN_VALUE)) {
+
+		if (tpm_inf.base == 0) {
+			dev_err(&pci_dev->dev, "No IO-ports found!\n");
+			pci_disable_device(pci_dev);
+			return -EIO;
+		}
+		/* configure TPM with IO-ports */
+		outb(IOLIMH, TPM_INF_ADDR);
+		outb(((tpm_inf.base >> 8) & 0xff), TPM_INF_DATA);
+		outb(IOLIML, TPM_INF_ADDR);
+		outb((tpm_inf.base & 0xff), TPM_INF_DATA);
+
+		/* control if IO-ports are set correctly */
+		outb(IOLIMH, TPM_INF_ADDR);
+		ioh = inb(TPM_INF_DATA);
+		outb(IOLIML, TPM_INF_ADDR);
+		iol = inb(TPM_INF_DATA);
+
+		if ((ioh << 8 | iol) != tpm_inf.base) {
+			dev_err(&pci_dev->dev,
+				"Could not set IO-ports to %04x\n",
+				tpm_inf.base);
+			pci_disable_device(pci_dev);
+			return -EIO;
+		}
+
+		/* activate register */
+		outb(TPM_DAR, TPM_INF_ADDR);
+		outb(0x01, TPM_INF_DATA);
+		outb(DISABLE_REGISTER_PAIR, TPM_INF_ADDR);
+
+		/* disable RESET, LP and IRQC */
+		outb(RESET_LP_IRQC_DISABLE, tpm_inf.base + CMD);
+
+		/* Finally, we're done, print some infos */
+		dev_info(&pci_dev->dev, "TPM found: "
+			 "config base 0x%x, "
+			 "io base 0x%x, "
+			 "chip version %02x%02x, "
+			 "vendor id %x%x (Infineon), "
+			 "product id %02x%02x"
+			 "%s\n",
+			 TPM_INF_ADDR,
+			 tpm_inf.base,
+			 version[0], version[1],
+			 vendorid[0], vendorid[1],
+			 productid[0], productid[1], chipname);
+
+		rc = tpm_register_hardware(pci_dev, &tpm_inf);
+		if (rc < 0) {
+			pci_disable_device(pci_dev);
+			return -ENODEV;
+		}
+		return 0;
+	} else {
+		dev_info(&pci_dev->dev, "No Infineon TPM found!\n");
+		pci_disable_device(pci_dev);
+		return -ENODEV;
+	}
+}
+
+static struct pci_device_id tpm_pci_tbl[] __devinitdata = {
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_2)},
+	{0,}
+};
+
+MODULE_DEVICE_TABLE(pci, tpm_pci_tbl);
+
+static struct pci_driver inf_pci_driver = {
+	.name = "tpm_inf",
+	.id_table = tpm_pci_tbl,
+	.probe = tpm_inf_probe,
+	.remove = __devexit_p(tpm_remove),
+	.suspend = tpm_pm_suspend,
+	.resume = tpm_pm_resume,
+};
+
+static int __init init_inf(void)
+{
+	return pci_register_driver(&inf_pci_driver);
+}
+
+static void __exit cleanup_inf(void)
+{
+	pci_unregister_driver(&inf_pci_driver);
+}
+
+module_init(init_inf);
+module_exit(cleanup_inf);
+
+MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>");
+MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2");
+MODULE_VERSION("1.5");
+MODULE_LICENSE("GPL");
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 9cce833a..b412734 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -22,43 +22,52 @@
 #include "tpm.h"
 
 /* National definitions */
-#define	TPM_NSC_BASE			0x360
-#define	TPM_NSC_IRQ			0x07
+enum tpm_nsc_addr{
+	TPM_NSC_IRQ = 0x07,
+	TPM_NSC_BASE0_HI = 0x60,
+	TPM_NSC_BASE0_LO = 0x61,
+	TPM_NSC_BASE1_HI = 0x62,
+	TPM_NSC_BASE1_LO = 0x63
+};
 
-#define	NSC_LDN_INDEX			0x07
-#define	NSC_SID_INDEX			0x20
-#define	NSC_LDC_INDEX			0x30
-#define	NSC_DIO_INDEX			0x60
-#define	NSC_CIO_INDEX			0x62
-#define	NSC_IRQ_INDEX			0x70
-#define	NSC_ITS_INDEX			0x71
+enum tpm_nsc_index {
+	NSC_LDN_INDEX = 0x07,
+	NSC_SID_INDEX = 0x20,
+	NSC_LDC_INDEX = 0x30,
+	NSC_DIO_INDEX = 0x60,
+	NSC_CIO_INDEX = 0x62,
+	NSC_IRQ_INDEX = 0x70,
+	NSC_ITS_INDEX = 0x71
+};
 
-#define	NSC_STATUS			0x01
-#define	NSC_COMMAND			0x01
-#define	NSC_DATA			0x00
+enum tpm_nsc_status_loc {
+	NSC_STATUS = 0x01,
+	NSC_COMMAND = 0x01,
+	NSC_DATA = 0x00
+};
 
 /* status bits */
-#define	NSC_STATUS_OBF			0x01	/* output buffer full */
-#define	NSC_STATUS_IBF			0x02	/* input buffer full */
-#define	NSC_STATUS_F0			0x04	/* F0 */
-#define	NSC_STATUS_A2			0x08	/* A2 */
-#define	NSC_STATUS_RDY			0x10	/* ready to receive command */
-#define	NSC_STATUS_IBR			0x20	/* ready to receive data */
+enum tpm_nsc_status {
+	NSC_STATUS_OBF = 0x01,	/* output buffer full */
+	NSC_STATUS_IBF = 0x02,	/* input buffer full */
+	NSC_STATUS_F0 = 0x04,	/* F0 */
+	NSC_STATUS_A2 = 0x08,	/* A2 */
+	NSC_STATUS_RDY = 0x10,	/* ready to receive command */
+	NSC_STATUS_IBR = 0x20	/* ready to receive data */
+};
 
 /* command bits */
-#define	NSC_COMMAND_NORMAL		0x01	/* normal mode */
-#define	NSC_COMMAND_EOC			0x03
-#define	NSC_COMMAND_CANCEL		0x22
-
+enum tpm_nsc_cmd_mode {
+	NSC_COMMAND_NORMAL = 0x01,	/* normal mode */
+	NSC_COMMAND_EOC = 0x03,
+	NSC_COMMAND_CANCEL = 0x22
+};
 /*
  * Wait for a certain status to appear
  */
 static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data)
 {
-	int expired = 0;
-	struct timer_list status_timer =
-	    TIMER_INITIALIZER(tpm_time_expired, jiffies + 10 * HZ,
-			      (unsigned long) &expired);
+	unsigned long stop;
 
 	/* status immediately available check */
 	*data = inb(chip->vendor->base + NSC_STATUS);
@@ -66,17 +75,14 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data)
 		return 0;
 
 	/* wait for status */
-	add_timer(&status_timer);
+	stop = jiffies + 10 * HZ;
 	do {
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(TPM_TIMEOUT);
+		msleep(TPM_TIMEOUT);
 		*data = inb(chip->vendor->base + 1);
-		if ((*data & mask) == val) {
-			del_singleshot_timer_sync(&status_timer);
+		if ((*data & mask) == val)
 			return 0;
-		}
 	}
-	while (!expired);
+	while (time_before(jiffies, stop));
 
 	return -EBUSY;
 }
@@ -84,10 +90,7 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data)
 static int nsc_wait_for_ready(struct tpm_chip *chip)
 {
 	int status;
-	int expired = 0;
-	struct timer_list status_timer =
-	    TIMER_INITIALIZER(tpm_time_expired, jiffies + 100,
-			      (unsigned long) &expired);
+	unsigned long stop;
 
 	/* status immediately available check */
 	status = inb(chip->vendor->base + NSC_STATUS);
@@ -97,19 +100,16 @@ static int nsc_wait_for_ready(struct tpm_chip *chip)
 		return 0;
 
 	/* wait for status */
-	add_timer(&status_timer);
+	stop = jiffies + 100;
 	do {
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(TPM_TIMEOUT);
+		msleep(TPM_TIMEOUT);
 		status = inb(chip->vendor->base + NSC_STATUS);
 		if (status & NSC_STATUS_OBF)
 			status = inb(chip->vendor->base + NSC_DATA);
-		if (status & NSC_STATUS_RDY) {
-			del_singleshot_timer_sync(&status_timer);
+		if (status & NSC_STATUS_RDY)
 			return 0;
-		}
 	}
-	while (!expired);
+	while (time_before(jiffies, stop));
 
 	dev_info(&chip->pci_dev->dev, "wait for ready failed\n");
 	return -EBUSY;
@@ -150,7 +150,8 @@ static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count)
 		*p = inb(chip->vendor->base + NSC_DATA);
 	}
 
-	if ((data & NSC_STATUS_F0) == 0) {
+	if ((data & NSC_STATUS_F0) == 0 &&
+	(wait_for_stat(chip, NSC_STATUS_F0, NSC_STATUS_F0, &data) < 0)) {
 		dev_err(&chip->pci_dev->dev, "F0 not set\n");
 		return -EIO;
 	}
@@ -228,100 +229,95 @@ static struct file_operations nsc_ops = {
 	.release = tpm_release,
 };
 
+static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
+static DEVICE_ATTR(pcrs, S_IRUGO, tpm_show_pcrs, NULL);
+static DEVICE_ATTR(caps, S_IRUGO, tpm_show_caps, NULL);
+static DEVICE_ATTR(cancel, S_IWUSR|S_IWGRP, NULL, tpm_store_cancel);
+
+static struct attribute * nsc_attrs[] = {
+	&dev_attr_pubek.attr,
+	&dev_attr_pcrs.attr,
+	&dev_attr_caps.attr,
+	&dev_attr_cancel.attr,
+	0,
+};
+
+static struct attribute_group nsc_attr_grp = { .attrs = nsc_attrs };
+
 static struct tpm_vendor_specific tpm_nsc = {
 	.recv = tpm_nsc_recv,
 	.send = tpm_nsc_send,
 	.cancel = tpm_nsc_cancel,
 	.req_complete_mask = NSC_STATUS_OBF,
 	.req_complete_val = NSC_STATUS_OBF,
-	.base = TPM_NSC_BASE,
+	.req_canceled = NSC_STATUS_RDY,
+	.attr_group = &nsc_attr_grp,
 	.miscdev = { .fops = &nsc_ops, },
-	
 };
 
 static int __devinit tpm_nsc_init(struct pci_dev *pci_dev,
 				  const struct pci_device_id *pci_id)
 {
 	int rc = 0;
+	int lo, hi;
+	int nscAddrBase = TPM_ADDR;
+
 
 	if (pci_enable_device(pci_dev))
 		return -EIO;
 
-	if (tpm_lpc_bus_init(pci_dev, TPM_NSC_BASE)) {
-		rc = -ENODEV;
-		goto out_err;
-	}
+	/* select PM channel 1 */
+	tpm_write_index(nscAddrBase,NSC_LDN_INDEX, 0x12);
 
 	/* verify that it is a National part (SID) */
-	if (tpm_read_index(NSC_SID_INDEX) != 0xEF) {
-		rc = -ENODEV;
-		goto out_err;
+	if (tpm_read_index(TPM_ADDR, NSC_SID_INDEX) != 0xEF) {
+		nscAddrBase = (tpm_read_index(TPM_SUPERIO_ADDR, 0x2C)<<8)|
+			(tpm_read_index(TPM_SUPERIO_ADDR, 0x2B)&0xFE);
+		if (tpm_read_index(nscAddrBase, NSC_SID_INDEX) != 0xF6) {
+			rc = -ENODEV;
+			goto out_err;
+		}
 	}
 
+	hi = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_HI);
+	lo = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_LO);
+	tpm_nsc.base = (hi<<8) | lo;
+
 	dev_dbg(&pci_dev->dev, "NSC TPM detected\n");
 	dev_dbg(&pci_dev->dev,
 		"NSC LDN 0x%x, SID 0x%x, SRID 0x%x\n",
-		tpm_read_index(0x07), tpm_read_index(0x20),
-		tpm_read_index(0x27));
+		tpm_read_index(nscAddrBase,0x07), tpm_read_index(nscAddrBase,0x20),
+		tpm_read_index(nscAddrBase,0x27));
 	dev_dbg(&pci_dev->dev,
 		"NSC SIOCF1 0x%x SIOCF5 0x%x SIOCF6 0x%x SIOCF8 0x%x\n",
-		tpm_read_index(0x21), tpm_read_index(0x25),
-		tpm_read_index(0x26), tpm_read_index(0x28));
+		tpm_read_index(nscAddrBase,0x21), tpm_read_index(nscAddrBase,0x25),
+		tpm_read_index(nscAddrBase,0x26), tpm_read_index(nscAddrBase,0x28));
 	dev_dbg(&pci_dev->dev, "NSC IO Base0 0x%x\n",
-		(tpm_read_index(0x60) << 8) | tpm_read_index(0x61));
+		(tpm_read_index(nscAddrBase,0x60) << 8) | tpm_read_index(nscAddrBase,0x61));
 	dev_dbg(&pci_dev->dev, "NSC IO Base1 0x%x\n",
-		(tpm_read_index(0x62) << 8) | tpm_read_index(0x63));
+		(tpm_read_index(nscAddrBase,0x62) << 8) | tpm_read_index(nscAddrBase,0x63));
 	dev_dbg(&pci_dev->dev, "NSC Interrupt number and wakeup 0x%x\n",
-		tpm_read_index(0x70));
+		tpm_read_index(nscAddrBase,0x70));
 	dev_dbg(&pci_dev->dev, "NSC IRQ type select 0x%x\n",
-		tpm_read_index(0x71));
+		tpm_read_index(nscAddrBase,0x71));
 	dev_dbg(&pci_dev->dev,
 		"NSC DMA channel select0 0x%x, select1 0x%x\n",
-		tpm_read_index(0x74), tpm_read_index(0x75));
+		tpm_read_index(nscAddrBase,0x74), tpm_read_index(nscAddrBase,0x75));
 	dev_dbg(&pci_dev->dev,
 		"NSC Config "
 		"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
-		tpm_read_index(0xF0), tpm_read_index(0xF1),
-		tpm_read_index(0xF2), tpm_read_index(0xF3),
-		tpm_read_index(0xF4), tpm_read_index(0xF5),
-		tpm_read_index(0xF6), tpm_read_index(0xF7),
-		tpm_read_index(0xF8), tpm_read_index(0xF9));
+		tpm_read_index(nscAddrBase,0xF0), tpm_read_index(nscAddrBase,0xF1),
+		tpm_read_index(nscAddrBase,0xF2), tpm_read_index(nscAddrBase,0xF3),
+		tpm_read_index(nscAddrBase,0xF4), tpm_read_index(nscAddrBase,0xF5),
+		tpm_read_index(nscAddrBase,0xF6), tpm_read_index(nscAddrBase,0xF7),
+		tpm_read_index(nscAddrBase,0xF8), tpm_read_index(nscAddrBase,0xF9));
 
 	dev_info(&pci_dev->dev,
-		 "NSC PC21100 TPM revision %d\n",
-		 tpm_read_index(0x27) & 0x1F);
-
-	if (tpm_read_index(NSC_LDC_INDEX) == 0)
-		dev_info(&pci_dev->dev, ": NSC TPM not active\n");
-
-	/* select PM channel 1 */
-	tpm_write_index(NSC_LDN_INDEX, 0x12);
-	tpm_read_index(NSC_LDN_INDEX);
-
-	/* disable the DPM module */
-	tpm_write_index(NSC_LDC_INDEX, 0);
-	tpm_read_index(NSC_LDC_INDEX);
-
-	/* set the data register base addresses */
-	tpm_write_index(NSC_DIO_INDEX, TPM_NSC_BASE >> 8);
-	tpm_write_index(NSC_DIO_INDEX + 1, TPM_NSC_BASE);
-	tpm_read_index(NSC_DIO_INDEX);
-	tpm_read_index(NSC_DIO_INDEX + 1);
-
-	/* set the command register base addresses */
-	tpm_write_index(NSC_CIO_INDEX, (TPM_NSC_BASE + 1) >> 8);
-	tpm_write_index(NSC_CIO_INDEX + 1, (TPM_NSC_BASE + 1));
-	tpm_read_index(NSC_DIO_INDEX);
-	tpm_read_index(NSC_DIO_INDEX + 1);
-
-	/* set the interrupt number to be used for the host interface */
-	tpm_write_index(NSC_IRQ_INDEX, TPM_NSC_IRQ);
-	tpm_write_index(NSC_ITS_INDEX, 0x00);
-	tpm_read_index(NSC_IRQ_INDEX);
+		 "NSC TPM revision %d\n",
+		 tpm_read_index(nscAddrBase, 0x27) & 0x1F);
 
 	/* enable the DPM module */
-	tpm_write_index(NSC_LDC_INDEX, 0x01);
-	tpm_read_index(NSC_LDC_INDEX);
+	tpm_write_index(nscAddrBase, NSC_LDC_INDEX, 0x01);
 
 	if ((rc = tpm_register_hardware(pci_dev, &tpm_nsc)) < 0)
 		goto out_err;
@@ -339,6 +335,9 @@ static struct pci_device_id tpm_pci_tbl[] __devinitdata = {
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0)},
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12)},
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_0)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1)},
+	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0)},
 	{PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_LPC)},
 	{0,}
 };
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 26e5e19..6e4be3b 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -94,6 +94,7 @@
 #include <linux/idr.h>
 #include <linux/wait.h>
 #include <linux/bitops.h>
+#include <linux/delay.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
@@ -251,7 +252,7 @@ static void tty_set_termios_ldisc(struct tty_struct *tty, int num)
  
 static DEFINE_SPINLOCK(tty_ldisc_lock);
 static DECLARE_WAIT_QUEUE_HEAD(tty_ldisc_wait);
-static struct tty_ldisc tty_ldiscs[NR_LDISCS];	/* line disc dispatch table	*/
+static struct tty_ldisc tty_ldiscs[NR_LDISCS];	/* line disc dispatch table */
 
 int tty_register_ldisc(int disc, struct tty_ldisc *new_ldisc)
 {
@@ -262,24 +263,35 @@ int tty_register_ldisc(int disc, struct tty_ldisc *new_ldisc)
 		return -EINVAL;
 	
 	spin_lock_irqsave(&tty_ldisc_lock, flags);
-	if (new_ldisc) {
-		tty_ldiscs[disc] = *new_ldisc;
-		tty_ldiscs[disc].num = disc;
-		tty_ldiscs[disc].flags |= LDISC_FLAG_DEFINED;
-		tty_ldiscs[disc].refcount = 0;
-	} else {
-		if(tty_ldiscs[disc].refcount)
-			ret = -EBUSY;
-		else
-			tty_ldiscs[disc].flags &= ~LDISC_FLAG_DEFINED;
-	}
+	tty_ldiscs[disc] = *new_ldisc;
+	tty_ldiscs[disc].num = disc;
+	tty_ldiscs[disc].flags |= LDISC_FLAG_DEFINED;
+	tty_ldiscs[disc].refcount = 0;
 	spin_unlock_irqrestore(&tty_ldisc_lock, flags);
 	
 	return ret;
 }
-
 EXPORT_SYMBOL(tty_register_ldisc);
 
+int tty_unregister_ldisc(int disc)
+{
+	unsigned long flags;
+	int ret = 0;
+
+	if (disc < N_TTY || disc >= NR_LDISCS)
+		return -EINVAL;
+
+	spin_lock_irqsave(&tty_ldisc_lock, flags);
+	if (tty_ldiscs[disc].refcount)
+		ret = -EBUSY;
+	else
+		tty_ldiscs[disc].flags &= ~LDISC_FLAG_DEFINED;
+	spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL(tty_unregister_ldisc);
+
 struct tty_ldisc *tty_ldisc_get(int disc)
 {
 	unsigned long flags;
@@ -2169,12 +2181,11 @@ static int tiocsetd(struct tty_struct *tty, int __user *p)
 	return tty_set_ldisc(tty, ldisc);
 }
 
-static int send_break(struct tty_struct *tty, int duration)
+static int send_break(struct tty_struct *tty, unsigned int duration)
 {
 	tty->driver->break_ctl(tty, -1);
 	if (!signal_pending(current)) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(duration);
+		msleep_interruptible(duration);
 	}
 	tty->driver->break_ctl(tty, 0);
 	if (signal_pending(current))
@@ -2355,10 +2366,10 @@ int tty_ioctl(struct inode * inode, struct file * file,
 			 * all by anyone?
 			 */
 			if (!arg)
-				return send_break(tty, HZ/4);
+				return send_break(tty, 250);
 			return 0;
 		case TCSBRKP:	/* support for POSIX tcsendbreak() */	
-			return send_break(tty, arg ? arg*(HZ/10) : HZ/4);
+			return send_break(tty, arg ? arg*100 : 250);
 
 		case TIOCMGET:
 			return tty_tiocmget(tty, file, p);
@@ -2654,7 +2665,7 @@ static void tty_default_put_char(struct tty_struct *tty, unsigned char ch)
 	tty->driver->write(tty, &ch, 1);
 }
 
-static struct class_simple *tty_class;
+static struct class *tty_class;
 
 /**
  * tty_register_device - register a tty device
@@ -2687,7 +2698,7 @@ void tty_register_device(struct tty_driver *driver, unsigned index,
 		pty_line_name(driver, index, name);
 	else
 		tty_line_name(driver, index, name);
-	class_simple_device_add(tty_class, dev, device, name);
+	class_device_create(tty_class, dev, device, name);
 }
 
 /**
@@ -2701,7 +2712,7 @@ void tty_register_device(struct tty_driver *driver, unsigned index,
 void tty_unregister_device(struct tty_driver *driver, unsigned index)
 {
 	devfs_remove("%s%d", driver->devfs_name, index + driver->name_base);
-	class_simple_device_remove(MKDEV(driver->major, driver->minor_start) + index);
+	class_device_destroy(tty_class, MKDEV(driver->major, driver->minor_start) + index);
 }
 
 EXPORT_SYMBOL(tty_register_device);
@@ -2918,7 +2929,7 @@ extern int vty_init(void);
 
 static int __init tty_class_init(void)
 {
-	tty_class = class_simple_create(THIS_MODULE, "tty");
+	tty_class = class_create(THIS_MODULE, "tty");
 	if (IS_ERR(tty_class))
 		return PTR_ERR(tty_class);
 	return 0;
@@ -2947,14 +2958,14 @@ static int __init tty_init(void)
 	    register_chrdev_region(MKDEV(TTYAUX_MAJOR, 0), 1, "/dev/tty") < 0)
 		panic("Couldn't register /dev/tty driver\n");
 	devfs_mk_cdev(MKDEV(TTYAUX_MAJOR, 0), S_IFCHR|S_IRUGO|S_IWUGO, "tty");
-	class_simple_device_add(tty_class, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty");
+	class_device_create(tty_class, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty");
 
 	cdev_init(&console_cdev, &console_fops);
 	if (cdev_add(&console_cdev, MKDEV(TTYAUX_MAJOR, 1), 1) ||
 	    register_chrdev_region(MKDEV(TTYAUX_MAJOR, 1), 1, "/dev/console") < 0)
 		panic("Couldn't register /dev/console driver\n");
 	devfs_mk_cdev(MKDEV(TTYAUX_MAJOR, 1), S_IFCHR|S_IRUSR|S_IWUSR, "console");
-	class_simple_device_add(tty_class, MKDEV(TTYAUX_MAJOR, 1), NULL, "console");
+	class_device_create(tty_class, MKDEV(TTYAUX_MAJOR, 1), NULL, "console");
 
 #ifdef CONFIG_UNIX98_PTYS
 	cdev_init(&ptmx_cdev, &ptmx_fops);
@@ -2962,7 +2973,7 @@ static int __init tty_init(void)
 	    register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0)
 		panic("Couldn't register /dev/ptmx driver\n");
 	devfs_mk_cdev(MKDEV(TTYAUX_MAJOR, 2), S_IFCHR|S_IRUGO|S_IWUGO, "ptmx");
-	class_simple_device_add(tty_class, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx");
+	class_device_create(tty_class, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx");
 #endif
 
 #ifdef CONFIG_VT
@@ -2971,7 +2982,7 @@ static int __init tty_init(void)
 	    register_chrdev_region(MKDEV(TTY_MAJOR, 0), 1, "/dev/vc/0") < 0)
 		panic("Couldn't register /dev/tty0 driver\n");
 	devfs_mk_cdev(MKDEV(TTY_MAJOR, 0), S_IFCHR|S_IRUSR|S_IWUSR, "vc/0");
-	class_simple_device_add(tty_class, MKDEV(TTY_MAJOR, 0), NULL, "tty0");
+	class_device_create(tty_class, MKDEV(TTY_MAJOR, 0), NULL, "tty0");
 
 	vty_init();
 #endif
diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c
index 5859799..f19cf9d 100644
--- a/drivers/char/tty_ioctl.c
+++ b/drivers/char/tty_ioctl.c
@@ -476,11 +476,11 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file,
 			ld = tty_ldisc_ref(tty);
 			switch (arg) {
 			case TCIFLUSH:
-				if (ld->flush_buffer)
+				if (ld && ld->flush_buffer)
 					ld->flush_buffer(tty);
 				break;
 			case TCIOFLUSH:
-				if (ld->flush_buffer)
+				if (ld && ld->flush_buffer)
 					ld->flush_buffer(tty);
 				/* fall through */
 			case TCOFLUSH:
diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c
index 7abe405..79c2928 100644
--- a/drivers/char/vc_screen.c
+++ b/drivers/char/vc_screen.c
@@ -474,7 +474,7 @@ static struct file_operations vcs_fops = {
 	.open		= vcs_open,
 };
 
-static struct class_simple *vc_class;
+static struct class *vc_class;
 
 void vcs_make_devfs(struct tty_struct *tty)
 {
@@ -484,26 +484,26 @@ void vcs_make_devfs(struct tty_struct *tty)
 	devfs_mk_cdev(MKDEV(VCS_MAJOR, tty->index + 129),
 			S_IFCHR|S_IRUSR|S_IWUSR,
 			"vcc/a%u", tty->index + 1);
-	class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, tty->index + 1), NULL, "vcs%u", tty->index + 1);
-	class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, tty->index + 129), NULL, "vcsa%u", tty->index + 1);
+	class_device_create(vc_class, MKDEV(VCS_MAJOR, tty->index + 1), NULL, "vcs%u", tty->index + 1);
+	class_device_create(vc_class, MKDEV(VCS_MAJOR, tty->index + 129), NULL, "vcsa%u", tty->index + 1);
 }
 void vcs_remove_devfs(struct tty_struct *tty)
 {
 	devfs_remove("vcc/%u", tty->index + 1);
 	devfs_remove("vcc/a%u", tty->index + 1);
-	class_simple_device_remove(MKDEV(VCS_MAJOR, tty->index + 1));
-	class_simple_device_remove(MKDEV(VCS_MAJOR, tty->index + 129));
+	class_device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 1));
+	class_device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 129));
 }
 
 int __init vcs_init(void)
 {
 	if (register_chrdev(VCS_MAJOR, "vcs", &vcs_fops))
 		panic("unable to get major %d for vcs device", VCS_MAJOR);
-	vc_class = class_simple_create(THIS_MODULE, "vc");
+	vc_class = class_create(THIS_MODULE, "vc");
 
 	devfs_mk_cdev(MKDEV(VCS_MAJOR, 0), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/0");
 	devfs_mk_cdev(MKDEV(VCS_MAJOR, 128), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/a0");
-	class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, 0), NULL, "vcs");
-	class_simple_device_add(vc_class, MKDEV(VCS_MAJOR, 128), NULL, "vcsa");
+	class_device_create(vc_class, MKDEV(VCS_MAJOR, 0), NULL, "vcs");
+	class_device_create(vc_class, MKDEV(VCS_MAJOR, 128), NULL, "vcsa");
 	return 0;
 }
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index aea3cbf..4764b4f 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -237,7 +237,7 @@ static dma_addr_t viotape_unitinfo_token;
 
 static struct mtget viomtget[VIOTAPE_MAX_TAPE];
 
-static struct class_simple *tape_class;
+static struct class *tape_class;
 
 static struct device *tape_device[VIOTAPE_MAX_TAPE];
 
@@ -956,9 +956,9 @@ static int viotape_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 	state[i].cur_part = 0;
 	for (j = 0; j < MAX_PARTITIONS; ++j)
 		state[i].part_stat_rwi[j] = VIOT_IDLE;
-	class_simple_device_add(tape_class, MKDEV(VIOTAPE_MAJOR, i), NULL,
+	class_device_create(tape_class, MKDEV(VIOTAPE_MAJOR, i), NULL,
 			"iseries!vt%d", i);
-	class_simple_device_add(tape_class, MKDEV(VIOTAPE_MAJOR, i | 0x80),
+	class_device_create(tape_class, MKDEV(VIOTAPE_MAJOR, i | 0x80),
 			NULL, "iseries!nvt%d", i);
 	devfs_mk_cdev(MKDEV(VIOTAPE_MAJOR, i), S_IFCHR | S_IRUSR | S_IWUSR,
 			"iseries/vt%d", i);
@@ -980,8 +980,8 @@ static int viotape_remove(struct vio_dev *vdev)
 	devfs_remove("iseries/nvt%d", i);
 	devfs_remove("iseries/vt%d", i);
 	devfs_unregister_tape(state[i].dev_handle);
-	class_simple_device_remove(MKDEV(VIOTAPE_MAJOR, i | 0x80));
-	class_simple_device_remove(MKDEV(VIOTAPE_MAJOR, i));
+	class_device_destroy(tape_class, MKDEV(VIOTAPE_MAJOR, i | 0x80));
+	class_device_destroy(tape_class, MKDEV(VIOTAPE_MAJOR, i));
 	return 0;
 }
 
@@ -1045,7 +1045,7 @@ int __init viotap_init(void)
 		goto clear_handler;
 	}
 
-	tape_class = class_simple_create(THIS_MODULE, "tape");
+	tape_class = class_create(THIS_MODULE, "tape");
 	if (IS_ERR(tape_class)) {
 		printk(VIOTAPE_KERN_WARN "Unable to allocat class\n");
 		ret = PTR_ERR(tape_class);
@@ -1070,7 +1070,7 @@ int __init viotap_init(void)
 	return 0;
 
 unreg_class:
-	class_simple_destroy(tape_class);
+	class_destroy(tape_class);
 unreg_chrdev:
 	unregister_chrdev(VIOTAPE_MAJOR, "viotape");
 clear_handler:
@@ -1110,7 +1110,7 @@ static void __exit viotap_exit(void)
 
 	remove_proc_entry("iSeries/viotape", NULL);
 	vio_unregister_driver(&viotape_driver);
-	class_simple_destroy(tape_class);
+	class_destroy(tape_class);
 	ret = unregister_chrdev(VIOTAPE_MAJOR, "viotape");
 	if (ret < 0)
 		printk(VIOTAPE_KERN_WARN "Error unregistering device: %d\n",
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
new file mode 100644
index 0000000..683278b
--- /dev/null
+++ b/drivers/char/vr41xx_giu.c
@@ -0,0 +1,743 @@
+/*
+ *  Driver for NEC VR4100 series General-purpose I/O Unit.
+ *
+ *  Copyright (C) 2002 MontaVista Software Inc.
+ *	Author: Yoichi Yuasa <yyuasa@mvista.com or source@mvista.com>
+ *  Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <asm/cpu.h>
+#include <asm/io.h>
+#include <asm/vr41xx/giu.h>
+#include <asm/vr41xx/vr41xx.h>
+
+MODULE_AUTHOR("Yoichi Yuasa <yuasa@hh.iij4u.or.jp>");
+MODULE_DESCRIPTION("NEC VR4100 series General-purpose I/O Unit driver");
+MODULE_LICENSE("GPL");
+
+static int major;	/* default is dynamic major device number */
+module_param(major, int, 0);
+MODULE_PARM_DESC(major, "Major device number");
+
+#define GIU_TYPE1_START		0x0b000100UL
+#define GIU_TYPE1_SIZE		0x20UL
+
+#define GIU_TYPE2_START		0x0f000140UL
+#define GIU_TYPE2_SIZE		0x20UL
+
+#define GIU_TYPE3_START		0x0f000140UL
+#define GIU_TYPE3_SIZE		0x28UL
+
+#define GIU_PULLUPDOWN_START	0x0b0002e0UL
+#define GIU_PULLUPDOWN_SIZE	0x04UL
+
+#define GIUIOSELL	0x00
+#define GIUIOSELH	0x02
+#define GIUPIODL	0x04
+#define GIUPIODH	0x06
+#define GIUINTSTATL	0x08
+#define GIUINTSTATH	0x0a
+#define GIUINTENL	0x0c
+#define GIUINTENH	0x0e
+#define GIUINTTYPL	0x10
+#define GIUINTTYPH	0x12
+#define GIUINTALSELL	0x14
+#define GIUINTALSELH	0x16
+#define GIUINTHTSELL	0x18
+#define GIUINTHTSELH	0x1a
+#define GIUPODATL	0x1c
+#define GIUPODATEN	0x1c
+#define GIUPODATH	0x1e
+ #define PIOEN0		0x0100
+ #define PIOEN1		0x0200
+#define GIUPODAT	0x1e
+#define GIUFEDGEINHL	0x20
+#define GIUFEDGEINHH	0x22
+#define GIUREDGEINHL	0x24
+#define GIUREDGEINHH	0x26
+
+#define GIUUSEUPDN	0x1e0
+#define GIUTERMUPDN	0x1e2
+
+#define GPIO_HAS_PULLUPDOWN_IO		0x0001
+#define GPIO_HAS_OUTPUT_ENABLE		0x0002
+#define GPIO_HAS_INTERRUPT_EDGE_SELECT	0x0100
+
+static spinlock_t giu_lock;
+static struct resource *giu_resource1;
+static struct resource *giu_resource2;
+static unsigned long giu_flags;
+static unsigned int giu_nr_pins;
+
+static void __iomem *giu_base;
+
+#define giu_read(offset)		readw(giu_base + (offset))
+#define giu_write(offset, value)	writew((value), giu_base + (offset))
+
+#define GPIO_PIN_OF_IRQ(irq)	((irq) - GIU_IRQ_BASE)
+#define GIUINT_HIGH_OFFSET	16
+#define GIUINT_HIGH_MAX		32
+
+static inline uint16_t giu_set(uint16_t offset, uint16_t set)
+{
+	uint16_t data;
+
+	data = giu_read(offset);
+	data |= set;
+	giu_write(offset, data);
+
+	return data;
+}
+
+static inline uint16_t giu_clear(uint16_t offset, uint16_t clear)
+{
+	uint16_t data;
+
+	data = giu_read(offset);
+	data &= ~clear;
+	giu_write(offset, data);
+
+	return data;
+}
+
+static unsigned int startup_giuint_low_irq(unsigned int irq)
+{
+	unsigned int pin;
+
+	pin = GPIO_PIN_OF_IRQ(irq);
+	giu_write(GIUINTSTATL, 1 << pin);
+	giu_set(GIUINTENL, 1 << pin);
+
+	return 0;
+}
+
+static void shutdown_giuint_low_irq(unsigned int irq)
+{
+	giu_clear(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq));
+}
+
+static void enable_giuint_low_irq(unsigned int irq)
+{
+	giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq));
+}
+
+#define disable_giuint_low_irq	shutdown_giuint_low_irq
+
+static void ack_giuint_low_irq(unsigned int irq)
+{
+	unsigned int pin;
+
+	pin = GPIO_PIN_OF_IRQ(irq);
+	giu_clear(GIUINTENL, 1 << pin);
+	giu_write(GIUINTSTATL, 1 << pin);
+}
+
+static void end_giuint_low_irq(unsigned int irq)
+{
+	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+		giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq));
+}
+
+static struct hw_interrupt_type giuint_low_irq_type = {
+	.typename	= "GIUINTL",
+	.startup	= startup_giuint_low_irq,
+	.shutdown	= shutdown_giuint_low_irq,
+	.enable		= enable_giuint_low_irq,
+	.disable	= disable_giuint_low_irq,
+	.ack		= ack_giuint_low_irq,
+	.end		= end_giuint_low_irq,
+};
+
+static unsigned int startup_giuint_high_irq(unsigned int irq)
+{
+	unsigned int pin;
+
+	pin = GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET;
+	giu_write(GIUINTSTATH, 1 << pin);
+	giu_set(GIUINTENH, 1 << pin);
+
+	return 0;
+}
+
+static void shutdown_giuint_high_irq(unsigned int irq)
+{
+	giu_clear(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
+}
+
+static void enable_giuint_high_irq(unsigned int irq)
+{
+	giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
+}
+
+#define disable_giuint_high_irq	shutdown_giuint_high_irq
+
+static void ack_giuint_high_irq(unsigned int irq)
+{
+	unsigned int pin;
+
+	pin = GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET;
+	giu_clear(GIUINTENH, 1 << pin);
+	giu_write(GIUINTSTATH, 1 << pin);
+}
+
+static void end_giuint_high_irq(unsigned int irq)
+{
+	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+		giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
+}
+
+static struct hw_interrupt_type giuint_high_irq_type = {
+	.typename	= "GIUINTH",
+	.startup	= startup_giuint_high_irq,
+	.shutdown	= shutdown_giuint_high_irq,
+	.enable		= enable_giuint_high_irq,
+	.disable	= disable_giuint_high_irq,
+	.ack		= ack_giuint_high_irq,
+	.end		= end_giuint_high_irq,
+};
+
+static int giu_get_irq(unsigned int irq, struct pt_regs *regs)
+{
+	uint16_t pendl, pendh, maskl, maskh;
+	int i;
+
+	pendl = giu_read(GIUINTSTATL);
+	pendh = giu_read(GIUINTSTATH);
+	maskl = giu_read(GIUINTENL);
+	maskh = giu_read(GIUINTENH);
+
+	maskl &= pendl;
+	maskh &= pendh;
+
+	if (maskl) {
+		for (i = 0; i < 16; i++) {
+			if (maskl & (1 << i))
+				return GIU_IRQ(i);
+		}
+	} else if (maskh) {
+		for (i = 0; i < 16; i++) {
+			if (maskh & (1 << i))
+				return GIU_IRQ(i + GIUINT_HIGH_OFFSET);
+		}
+	}
+
+	printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n",
+	       maskl, pendl, maskh, pendh);
+
+	atomic_inc(&irq_err_count);
+
+	return -EINVAL;
+}
+
+void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_t signal)
+{
+	uint16_t mask;
+
+	if (pin < GIUINT_HIGH_OFFSET) {
+		mask = 1 << pin;
+		if (trigger != IRQ_TRIGGER_LEVEL) {
+        		giu_set(GIUINTTYPL, mask);
+			if (signal == IRQ_SIGNAL_HOLD)
+				giu_set(GIUINTHTSELL, mask);
+			else
+				giu_clear(GIUINTHTSELL, mask);
+			if (current_cpu_data.cputype == CPU_VR4133) {
+				switch (trigger) {
+				case IRQ_TRIGGER_EDGE_FALLING:
+					giu_set(GIUFEDGEINHL, mask);
+					giu_clear(GIUREDGEINHL, mask);
+					break;
+				case IRQ_TRIGGER_EDGE_RISING:
+					giu_clear(GIUFEDGEINHL, mask);
+					giu_set(GIUREDGEINHL, mask);
+					break;
+				default:
+					giu_set(GIUFEDGEINHL, mask);
+					giu_set(GIUREDGEINHL, mask);
+					break;
+				}
+			}
+		} else {
+			giu_clear(GIUINTTYPL, mask);
+			giu_clear(GIUINTHTSELL, mask);
+		}
+		giu_write(GIUINTSTATL, mask);
+	} else if (pin < GIUINT_HIGH_MAX) {
+		mask = 1 << (pin - GIUINT_HIGH_OFFSET);
+		if (trigger != IRQ_TRIGGER_LEVEL) {
+			giu_set(GIUINTTYPH, mask);
+			if (signal == IRQ_SIGNAL_HOLD)
+				giu_set(GIUINTHTSELH, mask);
+			else
+				giu_clear(GIUINTHTSELH, mask);
+			if (current_cpu_data.cputype == CPU_VR4133) {
+				switch (trigger) {
+				case IRQ_TRIGGER_EDGE_FALLING:
+					giu_set(GIUFEDGEINHH, mask);
+					giu_clear(GIUREDGEINHH, mask);
+					break;
+				case IRQ_TRIGGER_EDGE_RISING:
+					giu_clear(GIUFEDGEINHH, mask);
+					giu_set(GIUREDGEINHH, mask);
+					break;
+				default:
+					giu_set(GIUFEDGEINHH, mask);
+					giu_set(GIUREDGEINHH, mask);
+					break;
+				}
+			}
+		} else {
+			giu_clear(GIUINTTYPH, mask);
+			giu_clear(GIUINTHTSELH, mask);
+		}
+		giu_write(GIUINTSTATH, mask);
+	}
+}
+
+EXPORT_SYMBOL_GPL(vr41xx_set_irq_trigger);
+
+void vr41xx_set_irq_level(unsigned int pin, irq_level_t level)
+{
+	uint16_t mask;
+
+	if (pin < GIUINT_HIGH_OFFSET) {
+		mask = 1 << pin;
+		if (level == IRQ_LEVEL_HIGH)
+			giu_set(GIUINTALSELL, mask);
+		else
+			giu_clear(GIUINTALSELL, mask);
+		giu_write(GIUINTSTATL, mask);
+	} else if (pin < GIUINT_HIGH_MAX) {
+		mask = 1 << (pin - GIUINT_HIGH_OFFSET);
+		if (level == IRQ_LEVEL_HIGH)
+			giu_set(GIUINTALSELH, mask);
+		else
+			giu_clear(GIUINTALSELH, mask);
+		giu_write(GIUINTSTATH, mask);
+	}
+}
+
+EXPORT_SYMBOL_GPL(vr41xx_set_irq_level);
+
+gpio_data_t vr41xx_gpio_get_pin(unsigned int pin)
+{
+	uint16_t reg, mask;
+
+	if (pin >= giu_nr_pins)
+		return GPIO_DATA_INVAL;
+
+	if (pin < 16) {
+		reg = giu_read(GIUPIODL);
+		mask = (uint16_t)1 << pin;
+	} else if (pin < 32) {
+		reg = giu_read(GIUPIODH);
+		mask = (uint16_t)1 << (pin - 16);
+	} else if (pin < 48) {
+		reg = giu_read(GIUPODATL);
+		mask = (uint16_t)1 << (pin - 32);
+	} else {
+		reg = giu_read(GIUPODATH);
+		mask = (uint16_t)1 << (pin - 48);
+	}
+
+	if (reg & mask)
+		return GPIO_DATA_HIGH;
+
+	return GPIO_DATA_LOW;
+}
+
+EXPORT_SYMBOL_GPL(vr41xx_gpio_get_pin);
+
+int vr41xx_gpio_set_pin(unsigned int pin, gpio_data_t data)
+{
+	uint16_t offset, mask, reg;
+	unsigned long flags;
+
+	if (pin >= giu_nr_pins)
+		return -EINVAL;
+
+	if (pin < 16) {
+		offset = GIUPIODL;
+		mask = (uint16_t)1 << pin;
+	} else if (pin < 32) {
+		offset = GIUPIODH;
+		mask = (uint16_t)1 << (pin - 16);
+	} else if (pin < 48) {
+		offset = GIUPODATL;
+		mask = (uint16_t)1 << (pin - 32);
+	} else {
+		offset = GIUPODATH;
+		mask = (uint16_t)1 << (pin - 48);
+	}
+
+	spin_lock_irqsave(&giu_lock, flags);
+
+	reg = giu_read(offset);
+	if (data == GPIO_DATA_HIGH)
+		reg |= mask;
+	else
+		reg &= ~mask;
+	giu_write(offset, reg);
+
+	spin_unlock_irqrestore(&giu_lock, flags);
+
+	return 0;
+}
+
+EXPORT_SYMBOL_GPL(vr41xx_gpio_set_pin);
+
+int vr41xx_gpio_set_direction(unsigned int pin, gpio_direction_t dir)
+{
+	uint16_t offset, mask, reg;
+	unsigned long flags;
+
+	if (pin >= giu_nr_pins)
+		return -EINVAL;
+
+	if (pin < 16) {
+		offset = GIUIOSELL;
+		mask = (uint16_t)1 << pin;
+	} else if (pin < 32) {
+		offset = GIUIOSELH;
+		mask = (uint16_t)1 << (pin - 16);
+	} else {
+		if (giu_flags & GPIO_HAS_OUTPUT_ENABLE) {
+			offset = GIUPODATEN;
+			mask = (uint16_t)1 << (pin - 32);
+		} else {
+			switch (pin) {
+			case 48:
+				offset = GIUPODATH;
+				mask = PIOEN0;
+				break;
+			case 49:
+				offset = GIUPODATH;
+				mask = PIOEN1;
+				break;
+			default:
+				return -EINVAL;
+			}
+		}
+	}
+
+	spin_lock_irqsave(&giu_lock, flags);
+
+	reg = giu_read(offset);
+	if (dir == GPIO_OUTPUT)
+		reg |= mask;
+	else
+		reg &= ~mask;
+	giu_write(offset, reg);
+
+	spin_unlock_irqrestore(&giu_lock, flags);
+
+	return 0;
+}
+
+EXPORT_SYMBOL_GPL(vr41xx_gpio_set_direction);
+
+int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull)
+{
+	uint16_t reg, mask;
+	unsigned long flags;
+
+	if ((giu_flags & GPIO_HAS_PULLUPDOWN_IO) != GPIO_HAS_PULLUPDOWN_IO)
+		return -EPERM;
+
+	if (pin >= 15)
+		return -EINVAL;
+
+	mask = (uint16_t)1 << pin;
+
+	spin_lock_irqsave(&giu_lock, flags);
+
+	if (pull == GPIO_PULL_UP || pull == GPIO_PULL_DOWN) {
+		reg = giu_read(GIUTERMUPDN);
+		if (pull == GPIO_PULL_UP)
+			reg |= mask;
+		else
+			reg &= ~mask;
+		giu_write(GIUTERMUPDN, reg);
+
+		reg = giu_read(GIUUSEUPDN);
+		reg |= mask;
+		giu_write(GIUUSEUPDN, reg);
+	} else {
+		reg = giu_read(GIUUSEUPDN);
+		reg &= ~mask;
+		giu_write(GIUUSEUPDN, reg);
+	}
+
+	spin_unlock_irqrestore(&giu_lock, flags);
+
+	return 0;
+}
+
+EXPORT_SYMBOL_GPL(vr41xx_gpio_pullupdown);
+
+static ssize_t gpio_read(struct file *file, char __user *buf, size_t len,
+                         loff_t *ppos)
+{
+	unsigned int pin;
+	char value = '0';
+
+	pin = iminor(file->f_dentry->d_inode);
+	if (pin >= giu_nr_pins)
+		return -EBADF;
+
+	if (vr41xx_gpio_get_pin(pin) == GPIO_DATA_HIGH)
+		value = '1';
+
+	if (len <= 0)
+		return -EFAULT;
+
+	if (put_user(value, buf))
+		return -EFAULT;
+
+	return 1;
+}
+
+static ssize_t gpio_write(struct file *file, const char __user *data,
+                          size_t len, loff_t *ppos)
+{
+	unsigned int pin;
+	size_t i;
+	char c;
+	int retval = 0;
+
+	pin = iminor(file->f_dentry->d_inode);
+	if (pin >= giu_nr_pins)
+		return -EBADF;
+
+	for (i = 0; i < len; i++) {
+		if (get_user(c, data + i))
+			return -EFAULT;
+
+		switch (c) {
+		case '0':
+			retval = vr41xx_gpio_set_pin(pin, GPIO_DATA_LOW);
+			break;
+		case '1':
+			retval = vr41xx_gpio_set_pin(pin, GPIO_DATA_HIGH);
+			break;
+		case 'D':
+			printk(KERN_INFO "GPIO%d: pull down\n", pin);
+			retval = vr41xx_gpio_pullupdown(pin, GPIO_PULL_DOWN);
+			break;
+		case 'd':
+			printk(KERN_INFO "GPIO%d: pull up/down disable\n", pin);
+			retval = vr41xx_gpio_pullupdown(pin, GPIO_PULL_DISABLE);
+			break;
+		case 'I':
+			printk(KERN_INFO "GPIO%d: input\n", pin);
+			retval = vr41xx_gpio_set_direction(pin, GPIO_INPUT);
+			break;
+		case 'O':
+			printk(KERN_INFO "GPIO%d: output\n", pin);
+			retval = vr41xx_gpio_set_direction(pin, GPIO_OUTPUT);
+			break;
+		case 'o':
+			printk(KERN_INFO "GPIO%d: output disable\n", pin);
+			retval = vr41xx_gpio_set_direction(pin, GPIO_OUTPUT_DISABLE);
+			break;
+		case 'P':
+			printk(KERN_INFO "GPIO%d: pull up\n", pin);
+			retval = vr41xx_gpio_pullupdown(pin, GPIO_PULL_UP);
+			break;
+		case 'p':
+			printk(KERN_INFO "GPIO%d: pull up/down disable\n", pin);
+			retval = vr41xx_gpio_pullupdown(pin, GPIO_PULL_DISABLE);
+			break;
+		default:
+			break;
+		}
+
+		if (retval < 0)
+			break;
+	}
+
+	return i;
+}
+
+static int gpio_open(struct inode *inode, struct file *file)
+{
+	unsigned int pin;
+
+	pin = iminor(inode);
+	if (pin >= giu_nr_pins)
+		return -EBADF;
+
+	return nonseekable_open(inode, file);
+}
+
+static int gpio_release(struct inode *inode, struct file *file)
+{
+	unsigned int pin;
+
+	pin = iminor(inode);
+	if (pin >= giu_nr_pins)
+		return -EBADF;
+
+	return 0;
+}
+
+static struct file_operations gpio_fops = {
+	.owner		= THIS_MODULE,
+	.read		= gpio_read,
+	.write		= gpio_write,
+	.open		= gpio_open,
+	.release	= gpio_release,
+};
+
+static int giu_probe(struct device *dev)
+{
+	unsigned long start, size, flags = 0;
+	unsigned int nr_pins = 0;
+	struct resource *res1, *res2 = NULL;
+	void *base;
+	int retval, i;
+
+	switch (current_cpu_data.cputype) {
+	case CPU_VR4111:
+	case CPU_VR4121:
+		start = GIU_TYPE1_START;
+		size = GIU_TYPE1_SIZE;
+		flags = GPIO_HAS_PULLUPDOWN_IO;
+		nr_pins = 50;
+		break;
+	case CPU_VR4122:
+	case CPU_VR4131:
+		start = GIU_TYPE2_START;
+		size = GIU_TYPE2_SIZE;
+		nr_pins = 36;
+		break;
+	case CPU_VR4133:
+		start = GIU_TYPE3_START;
+		size = GIU_TYPE3_SIZE;
+		flags = GPIO_HAS_INTERRUPT_EDGE_SELECT;
+		nr_pins = 48;
+		break;
+	default:
+		return -ENODEV;
+	}
+
+	res1 = request_mem_region(start, size, "GIU");
+	if (res1 == NULL)
+		return -EBUSY;
+
+	base = ioremap(start, size);
+	if (base == NULL) {
+		release_resource(res1);
+		return -ENOMEM;
+	}
+
+	if (flags & GPIO_HAS_PULLUPDOWN_IO) {
+		res2 = request_mem_region(GIU_PULLUPDOWN_START, GIU_PULLUPDOWN_SIZE, "GIU");
+		if (res2 == NULL) {
+			iounmap(base);
+			release_resource(res1);
+			return -EBUSY;
+		}
+	}
+
+	retval = register_chrdev(major, "GIU", &gpio_fops);
+	if (retval < 0) {
+		iounmap(base);
+		release_resource(res1);
+		release_resource(res2);
+		return retval;
+	}
+
+	if (major == 0) {
+		major = retval;
+		printk(KERN_INFO "GIU: major number %d\n", major);
+	}
+
+	spin_lock_init(&giu_lock);
+	giu_base = base;
+	giu_resource1 = res1;
+	giu_resource2 = res2;
+	giu_flags = flags;
+	giu_nr_pins = nr_pins;
+
+	giu_write(GIUINTENL, 0);
+	giu_write(GIUINTENH, 0);
+
+	for (i = GIU_IRQ_BASE; i <= GIU_IRQ_LAST; i++) {
+		if (i < GIU_IRQ(GIUINT_HIGH_OFFSET))
+			irq_desc[i].handler = &giuint_low_irq_type;
+		else
+			irq_desc[i].handler = &giuint_high_irq_type;
+	}
+
+	return cascade_irq(GIUINT_IRQ, giu_get_irq);
+}
+
+static int giu_remove(struct device *dev)
+{
+	iounmap(giu_base);
+
+	release_resource(giu_resource1);
+	if (giu_flags & GPIO_HAS_PULLUPDOWN_IO)
+		release_resource(giu_resource2);
+
+	return 0;
+}
+
+static struct platform_device *giu_platform_device;
+
+static struct device_driver giu_device_driver = {
+	.name		= "GIU",
+	.bus		= &platform_bus_type,
+	.probe		= giu_probe,
+	.remove		= giu_remove,
+};
+
+static int __devinit vr41xx_giu_init(void)
+{
+	int retval;
+
+	giu_platform_device = platform_device_register_simple("GIU", -1, NULL, 0);
+	if (IS_ERR(giu_platform_device))
+		return PTR_ERR(giu_platform_device);
+
+	retval = driver_register(&giu_device_driver);
+	if (retval < 0)
+		platform_device_unregister(giu_platform_device);
+
+	return retval;
+}
+
+static void __devexit vr41xx_giu_exit(void)
+{
+	driver_unregister(&giu_device_driver);
+
+	platform_device_unregister(giu_platform_device);
+}
+
+module_init(vr41xx_giu_init);
+module_exit(vr41xx_giu_exit);
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index e5ef1df..30d9673 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2796,7 +2796,7 @@ void do_blank_screen(int entering_gfx)
 		return;
 
 	if (vesa_off_interval) {
-		blank_state = blank_vesa_wait,
+		blank_state = blank_vesa_wait;
 		mod_timer(&console_timer, jiffies + vesa_off_interval);
 	}
 
@@ -2867,6 +2867,10 @@ void unblank_screen(void)
  */
 static void blank_screen_t(unsigned long dummy)
 {
+	if (unlikely(!keventd_up())) {
+		mod_timer(&console_timer, jiffies + blankinterval);
+		return;
+	}
 	blank_timer_expired = 1;
 	schedule_work(&console_work);
 }
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 8971484..1d44f69 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -25,6 +25,7 @@
 #include <linux/fs.h>
 #include <linux/console.h>
 #include <linux/signal.h>
+#include <linux/timex.h>
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -386,7 +387,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		if (!perm)
 			return -EPERM;
 		if (arg)
-			arg = 1193182 / arg;
+			arg = CLOCK_TICK_RATE / arg;
 		kd_mksound(arg, 0);
 		return 0;
 
@@ -403,7 +404,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		ticks = HZ * ((arg >> 16) & 0xffff) / 1000;
 		count = ticks ? (arg & 0xffff) : 0;
 		if (count)
-			count = 1193182 / count;
+			count = CLOCK_TICK_RATE / count;
 		kd_mksound(count, ticks);
 		return 0;
 	}
diff --git a/drivers/char/watchdog/Kconfig b/drivers/char/watchdog/Kconfig
index 06a31da..b53e2e2 100644
--- a/drivers/char/watchdog/Kconfig
+++ b/drivers/char/watchdog/Kconfig
@@ -414,6 +414,16 @@ config WATCHDOG_RIO
 	  machines.  The watchdog timeout period is normally one minute but
 	  can be changed with a boot-time parameter.
 
+# ppc64 RTAS watchdog
+config WATCHDOG_RTAS
+	tristate "RTAS watchdog"
+	depends on WATCHDOG && PPC_RTAS
+	help
+	  This driver adds watchdog support for the RTAS watchdog.
+
+          To compile this driver as a module, choose M here. The module
+	  will be called wdrtas.
+
 #
 # ISA-based Watchdog Cards
 #
diff --git a/drivers/char/watchdog/Makefile b/drivers/char/watchdog/Makefile
index 1cd27ef..c183883 100644
--- a/drivers/char/watchdog/Makefile
+++ b/drivers/char/watchdog/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.o
 obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
 obj-$(CONFIG_IXP2000_WATCHDOG) += ixp2000_wdt.o
 obj-$(CONFIG_8xx_WDT) += mpc8xx_wdt.o
+obj-$(CONFIG_WATCHDOG_RTAS) += wdrtas.o
 
 # Only one watchdog can succeed. We probe the hardware watchdog
 # drivers first, then the softdog driver.  This means if your hardware
diff --git a/drivers/char/watchdog/acquirewdt.c b/drivers/char/watchdog/acquirewdt.c
index 8f30212..7289f4a 100644
--- a/drivers/char/watchdog/acquirewdt.c
+++ b/drivers/char/watchdog/acquirewdt.c
@@ -82,12 +82,7 @@ static int wdt_start = 0x443;
 module_param(wdt_start, int, 0);
 MODULE_PARM_DESC(wdt_start, "Acquire WDT 'start' io port (default 0x443)");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/advantechwdt.c b/drivers/char/watchdog/advantechwdt.c
index ea73c83..194a3fd 100644
--- a/drivers/char/watchdog/advantechwdt.c
+++ b/drivers/char/watchdog/advantechwdt.c
@@ -73,12 +73,7 @@ static int timeout = WATCHDOG_TIMEOUT;	/* in seconds */
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=63, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/alim1535_wdt.c b/drivers/char/watchdog/alim1535_wdt.c
index 35dcbf8..8338ca3 100644
--- a/drivers/char/watchdog/alim1535_wdt.c
+++ b/drivers/char/watchdog/alim1535_wdt.c
@@ -38,12 +38,7 @@ static int timeout = WATCHDOG_TIMEOUT;
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (0<timeout<18000, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
@@ -317,7 +312,7 @@ static int ali_notify_sys(struct notifier_block *this, unsigned long code, void
  */
 
 static struct pci_device_id ali_pci_tbl[] = {
-	{ PCI_VENDOR_ID_AL, 1535, PCI_ANY_ID, PCI_ANY_ID,},
+	{ PCI_VENDOR_ID_AL, 0x1535, PCI_ANY_ID, PCI_ANY_ID,},
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, ali_pci_tbl);
diff --git a/drivers/char/watchdog/alim7101_wdt.c b/drivers/char/watchdog/alim7101_wdt.c
index 90c091d..c05ac18 100644
--- a/drivers/char/watchdog/alim7101_wdt.c
+++ b/drivers/char/watchdog/alim7101_wdt.c
@@ -75,12 +75,7 @@ static unsigned long wdt_is_open;
 static char wdt_expect_close;
 static struct pci_dev *alim7101_pmu;
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/eurotechwdt.c b/drivers/char/watchdog/eurotechwdt.c
index d10e554..25c2f25 100644
--- a/drivers/char/watchdog/eurotechwdt.c
+++ b/drivers/char/watchdog/eurotechwdt.c
@@ -72,12 +72,7 @@ static char *ev = "int";
 
 #define WDT_TIMEOUT		60                /* 1 minute */
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
@@ -167,7 +162,7 @@ static irqreturn_t eurwdt_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	printk(KERN_CRIT "Would Reboot.\n");
 #else
 	printk(KERN_CRIT "Initiating system reboot.\n");
-	machine_restart(NULL);
+	emergency_restart();
 #endif
 	return IRQ_HANDLED;
 }
diff --git a/drivers/char/watchdog/i8xx_tco.c b/drivers/char/watchdog/i8xx_tco.c
index b14d642..a13395e 100644
--- a/drivers/char/watchdog/i8xx_tco.c
+++ b/drivers/char/watchdog/i8xx_tco.c
@@ -1,5 +1,5 @@
 /*
- *	i8xx_tco 0.07:	TCO timer driver for i8xx chipsets
+ *	i8xx_tco:	TCO timer driver for i8xx chipsets
  *
  *	(c) Copyright 2000 kernel concepts <nils@kernelconcepts.de>, All Rights Reserved.
  *				http://www.kernelconcepts.de
@@ -63,6 +63,9 @@
  *  20050128 Wim Van Sebroeck <wim@iguana.be>
  *	0.07 Added support for the ICH4-M, ICH6, ICH6R, ICH6-M, ICH6W and ICH6RW
  *	     chipsets. Also added support for the "undocumented" ICH7 chipset.
+ *  20050807 Wim Van Sebroeck <wim@iguana.be>
+ *	0.08 Make sure that the watchdog is only "armed" when started.
+ *	     (Kernel Bug 4251)
  */
 
 /*
@@ -87,7 +90,7 @@
 #include "i8xx_tco.h"
 
 /* Module and version information */
-#define TCO_VERSION "0.07"
+#define TCO_VERSION "0.08"
 #define TCO_MODULE_NAME "i8xx TCO timer"
 #define TCO_DRIVER_NAME   TCO_MODULE_NAME ", v" TCO_VERSION
 #define PFX TCO_MODULE_NAME ": "
@@ -105,12 +108,7 @@ static int heartbeat = WATCHDOG_HEARTBEAT;  /* in seconds */
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<heartbeat<39, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
@@ -130,10 +128,18 @@ static int tco_timer_start (void)
 	unsigned char val;
 
 	spin_lock(&tco_lock);
+
+	/* disable chipset's NO_REBOOT bit */
+	pci_read_config_byte (i8xx_tco_pci, 0xd4, &val);
+	val &= 0xfd;
+	pci_write_config_byte (i8xx_tco_pci, 0xd4, val);
+
+	/* Bit 11: TCO Timer Halt -> 0 = The TCO timer is enabled to count */
 	val = inb (TCO1_CNT + 1);
 	val &= 0xf7;
 	outb (val, TCO1_CNT + 1);
 	val = inb (TCO1_CNT + 1);
+
 	spin_unlock(&tco_lock);
 
 	if (val & 0x08)
@@ -143,13 +149,20 @@ static int tco_timer_start (void)
 
 static int tco_timer_stop (void)
 {
-	unsigned char val;
+	unsigned char val, val1;
 
 	spin_lock(&tco_lock);
+	/* Bit 11: TCO Timer Halt -> 1 = The TCO timer is disabled */
 	val = inb (TCO1_CNT + 1);
 	val |= 0x08;
 	outb (val, TCO1_CNT + 1);
 	val = inb (TCO1_CNT + 1);
+
+	/* Set the NO_REBOOT bit to prevent later reboots, just for sure */
+	pci_read_config_byte (i8xx_tco_pci, 0xd4, &val1);
+	val1 |= 0x02;
+	pci_write_config_byte (i8xx_tco_pci, 0xd4, val1);
+
 	spin_unlock(&tco_lock);
 
 	if ((val & 0x08) == 0)
@@ -160,6 +173,7 @@ static int tco_timer_stop (void)
 static int tco_timer_keepalive (void)
 {
 	spin_lock(&tco_lock);
+	/* Reload the timer by writing to the TCO Timer Reload register */
 	outb (0x01, TCO1_RLD);
 	spin_unlock(&tco_lock);
 	return 0;
@@ -401,7 +415,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
 	 */
 
 	while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
-		if (pci_match_device(i8xx_tco_pci_tbl, dev)) {
+		if (pci_match_id(i8xx_tco_pci_tbl, dev)) {
 			i8xx_tco_pci = dev;
 			break;
 		}
@@ -422,9 +436,8 @@ static unsigned char __init i8xx_tco_getdevice (void)
 			printk (KERN_ERR PFX "failed to get TCOBASE address\n");
 			return 0;
 		}
-		/*
-		 * Check chipset's NO_REBOOT bit
-		 */
+
+		/* Check chipset's NO_REBOOT bit */
 		pci_read_config_byte (i8xx_tco_pci, 0xd4, &val1);
 		if (val1 & 0x02) {
 			val1 &= 0xfd;
@@ -435,6 +448,10 @@ static unsigned char __init i8xx_tco_getdevice (void)
 				return 0;	/* Cannot reset NO_REBOOT bit */
 			}
 		}
+		/* Disable reboots untill the watchdog starts */
+		val1 |= 0x02;
+		pci_write_config_byte (i8xx_tco_pci, 0xd4, val1);
+
 		/* Set the TCO_EN bit in SMI_EN register */
 		if (!request_region (SMI_EN + 1, 1, "i8xx TCO")) {
 			printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
@@ -510,17 +527,10 @@ out:
 
 static void __exit watchdog_cleanup (void)
 {
-	u8 val;
-
 	/* Stop the timer before we leave */
 	if (!nowayout)
 		tco_timer_stop ();
 
-	/* Set the NO_REBOOT bit to prevent later reboots, just for sure */
-	pci_read_config_byte (i8xx_tco_pci, 0xd4, &val);
-	val |= 0x02;
-	pci_write_config_byte (i8xx_tco_pci, 0xd4, val);
-
 	/* Deregister */
 	misc_deregister (&i8xx_tco_miscdev);
 	unregister_reboot_notifier(&i8xx_tco_notifier);
diff --git a/drivers/char/watchdog/ib700wdt.c b/drivers/char/watchdog/ib700wdt.c
index d974f16..cf60329 100644
--- a/drivers/char/watchdog/ib700wdt.c
+++ b/drivers/char/watchdog/ib700wdt.c
@@ -117,12 +117,7 @@ static int wd_times[] = {
 
 static int wd_margin = WD_TIMO;
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/indydog.c b/drivers/char/watchdog/indydog.c
index 6af2c79..b4b94da 100644
--- a/drivers/char/watchdog/indydog.c
+++ b/drivers/char/watchdog/indydog.c
@@ -29,14 +29,9 @@
 #define PFX "indydog: "
 static int indydog_alive;
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
 #define WATCHDOG_TIMEOUT 30		/* 30 sec default timeout */
 
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/ixp2000_wdt.c b/drivers/char/watchdog/ixp2000_wdt.c
index ab659d3..e7640bc 100644
--- a/drivers/char/watchdog/ixp2000_wdt.c
+++ b/drivers/char/watchdog/ixp2000_wdt.c
@@ -30,11 +30,7 @@
 #include <asm/hardware.h>
 #include <asm/uaccess.h>
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
+static int nowayout = WATCHDOG_NOWAYOUT;
 static unsigned int heartbeat = 60;	/* (secs) Default is 1 minute */
 static unsigned long wdt_status;
 
@@ -162,7 +158,7 @@ ixp2000_wdt_release(struct inode *inode, struct file *file)
 	if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) {
 		wdt_disable();
 	} else {
-		printk(KERN_CRIT "WATCHDOG: Device closed unexpectdly - "
+		printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - "
 					"timer will not stop\n");
 	}
 
@@ -192,7 +188,12 @@ static struct miscdevice ixp2000_wdt_miscdev =
 
 static int __init ixp2000_wdt_init(void)
 {
-	wdt_tick_rate = (*IXP2000_T1_CLD * HZ)/ 256;;
+	if ((*IXP2000_PRODUCT_ID & 0x001ffef0) == 0x00000000) {
+		printk(KERN_INFO "Unable to use IXP2000 watchdog due to IXP2800 erratum #25.\n");
+		return -EIO;
+	}
+
+	wdt_tick_rate = (*IXP2000_T1_CLD * HZ) / 256;
 
 	return misc_register(&ixp2000_wdt_miscdev);
 }
diff --git a/drivers/char/watchdog/ixp4xx_wdt.c b/drivers/char/watchdog/ixp4xx_wdt.c
index 82396e0..8d916af 100644
--- a/drivers/char/watchdog/ixp4xx_wdt.c
+++ b/drivers/char/watchdog/ixp4xx_wdt.c
@@ -27,11 +27,7 @@
 #include <asm/hardware.h>
 #include <asm/uaccess.h>
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
+static int nowayout = WATCHDOG_NOWAYOUT;
 static int heartbeat = 60;	/* (secs) Default is 1 minute */
 static unsigned long wdt_status;
 static unsigned long boot_status;
@@ -156,7 +152,7 @@ ixp4xx_wdt_release(struct inode *inode, struct file *file)
 	if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) {
 		wdt_disable();
 	} else {
-		printk(KERN_CRIT "WATCHDOG: Device closed unexpectdly - "
+		printk(KERN_CRIT "WATCHDOG: Device closed unexpectedly - "
 					"timer will not stop\n");
 	}
 
diff --git a/drivers/char/watchdog/machzwd.c b/drivers/char/watchdog/machzwd.c
index 9da395f..a9a20aa 100644
--- a/drivers/char/watchdog/machzwd.c
+++ b/drivers/char/watchdog/machzwd.c
@@ -94,12 +94,7 @@ MODULE_DESCRIPTION("MachZ ZF-Logic Watchdog driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/mixcomwd.c b/drivers/char/watchdog/mixcomwd.c
index 3143e4a..c9b301d 100644
--- a/drivers/char/watchdog/mixcomwd.c
+++ b/drivers/char/watchdog/mixcomwd.c
@@ -62,12 +62,7 @@ static int mixcomwd_timer_alive;
 static struct timer_list mixcomwd_timer = TIMER_INITIALIZER(NULL, 0, 0);
 static char expect_close;
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c
index 592dca1..427ad51 100644
--- a/drivers/char/watchdog/pcwd.c
+++ b/drivers/char/watchdog/pcwd.c
@@ -146,12 +146,7 @@ static int heartbeat = WATCHDOG_HEARTBEAT;
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<=heartbeat<=7200, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
@@ -344,7 +339,7 @@ static int pcwd_get_status(int *status)
 			*status |= WDIOF_OVERHEAT;
 			if (temp_panic) {
 				printk (KERN_INFO PFX "Temperature overheat trip!\n");
-				machine_power_off();
+				kernel_power_off();
 			}
 		}
 	} else {
@@ -355,7 +350,7 @@ static int pcwd_get_status(int *status)
 			*status |= WDIOF_OVERHEAT;
 			if (temp_panic) {
 				printk (KERN_INFO PFX "Temperature overheat trip!\n");
-				machine_power_off();
+				kernel_power_off();
 			}
 		}
 	}
diff --git a/drivers/char/watchdog/pcwd_pci.c b/drivers/char/watchdog/pcwd_pci.c
index 8ce0666..2b13afb 100644
--- a/drivers/char/watchdog/pcwd_pci.c
+++ b/drivers/char/watchdog/pcwd_pci.c
@@ -103,12 +103,7 @@ static int heartbeat = WATCHDOG_HEARTBEAT;
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c
index 1127201..092e9b1 100644
--- a/drivers/char/watchdog/pcwd_usb.c
+++ b/drivers/char/watchdog/pcwd_usb.c
@@ -79,12 +79,7 @@ static int heartbeat = WATCHDOG_HEARTBEAT;
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index 1699d2c..f85ac89 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -62,12 +62,7 @@
 #define CONFIG_S3C2410_WATCHDOG_ATBOOT		(0)
 #define CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME	(15)
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 static int tmr_margin	= CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME;
 static int tmr_atboot	= CONFIG_S3C2410_WATCHDOG_ATBOOT;
 static int soft_noboot	= 0;
diff --git a/drivers/char/watchdog/sa1100_wdt.c b/drivers/char/watchdog/sa1100_wdt.c
index 34e8f7b..fb88b40 100644
--- a/drivers/char/watchdog/sa1100_wdt.c
+++ b/drivers/char/watchdog/sa1100_wdt.c
@@ -36,17 +36,10 @@
 #include <asm/uaccess.h>
 
 #define OSCR_FREQ		CLOCK_TICK_RATE
-#define SA1100_CLOSE_MAGIC	(0x5afc4453)
 
 static unsigned long sa1100wdt_users;
-static int expect_close;
 static int pre_margin;
 static int boot_status;
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
 
 /*
  *	Allow only one person to hold it open
@@ -66,55 +59,33 @@ static int sa1100dog_open(struct inode *inode, struct file *file)
 }
 
 /*
- *	Shut off the timer.
- * 	Lock it in if it's a module and we defined ...NOWAYOUT
- *	Oddly, the watchdog can only be enabled, but we can turn off
- *	the interrupt, which appears to prevent the watchdog timing out.
+ * The watchdog cannot be disabled.
+ *
+ * Previous comments suggested that turning off the interrupt by
+ * clearing OIER[E3] would prevent the watchdog timing out but this
+ * does not appear to be true (at least on the PXA255).
  */
 static int sa1100dog_release(struct inode *inode, struct file *file)
 {
-	OSMR3 = OSCR + pre_margin;
-
-	if (expect_close == SA1100_CLOSE_MAGIC) {
-		OIER &= ~OIER_E3;
-	} else {
-		printk(KERN_CRIT "WATCHDOG: WDT device closed unexpectedly.  WDT will not stop!\n");
-	}
+	printk(KERN_CRIT "WATCHDOG: Device closed - timer will not stop\n");
 
 	clear_bit(1, &sa1100wdt_users);
-	expect_close = 0;
 
 	return 0;
 }
 
 static ssize_t sa1100dog_write(struct file *file, const char *data, size_t len, loff_t *ppos)
 {
-	if (len) {
-		if (!nowayout) {
-			size_t i;
-
-			expect_close = 0;
-
-			for (i = 0; i != len; i++) {
-				char c;
-
-				if (get_user(c, data + i))
-					return -EFAULT;
-				if (c == 'V')
-					expect_close = SA1100_CLOSE_MAGIC;
-			}
-		}
+	if (len)
 		/* Refresh OSMR3 timer. */
 		OSMR3 = OSCR + pre_margin;
-	}
 
 	return len;
 }
 
 static struct watchdog_info ident = {
-	.options	= WDIOF_CARDRESET | WDIOF_MAGICCLOSE |
-			  WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
-	.identity	= "SA1100 Watchdog",
+	.options	= WDIOF_CARDRESET | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+	.identity	= "SA1100/PXA255 Watchdog",
 };
 
 static int sa1100dog_ioctl(struct inode *inode, struct file *file,
@@ -176,7 +147,7 @@ static struct file_operations sa1100dog_fops =
 static struct miscdevice sa1100dog_miscdev =
 {
 	.minor		= WATCHDOG_MINOR,
-	.name		= "SA1100/PXA2xx watchdog",
+	.name		= "watchdog",
 	.fops		= &sa1100dog_fops,
 };
 
@@ -198,7 +169,6 @@ static int __init sa1100dog_init(void)
 	if (ret == 0)
 		printk("SA1100/PXA2xx Watchdog Timer: timer margin %d sec\n",
 		       margin);
-
 	return ret;
 }
 
@@ -216,8 +186,5 @@ MODULE_DESCRIPTION("SA1100/PXA2xx Watchdog");
 module_param(margin, int, 0);
 MODULE_PARM_DESC(margin, "Watchdog margin in seconds (default 60s)");
 
-module_param(nowayout, int, 0);
-MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
-
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/char/watchdog/sbc60xxwdt.c b/drivers/char/watchdog/sbc60xxwdt.c
index d7de988..ed0bd55 100644
--- a/drivers/char/watchdog/sbc60xxwdt.c
+++ b/drivers/char/watchdog/sbc60xxwdt.c
@@ -98,12 +98,7 @@ static int timeout = WATCHDOG_TIMEOUT;	/* in seconds, will be multiplied by HZ t
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<=3600, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c
index 24401e8..515ce75 100644
--- a/drivers/char/watchdog/sc1200wdt.c
+++ b/drivers/char/watchdog/sc1200wdt.c
@@ -91,12 +91,7 @@ MODULE_PARM_DESC(io, "io port");
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "range is 0-255 minutes, default is 1");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/sc520_wdt.c b/drivers/char/watchdog/sc520_wdt.c
index f6d143e..72501be 100644
--- a/drivers/char/watchdog/sc520_wdt.c
+++ b/drivers/char/watchdog/sc520_wdt.c
@@ -94,12 +94,7 @@ static int timeout = WATCHDOG_TIMEOUT;	/* in seconds, will be multiplied by HZ t
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<=3600, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/scx200_wdt.c b/drivers/char/watchdog/scx200_wdt.c
index b569670..c456856 100644
--- a/drivers/char/watchdog/scx200_wdt.c
+++ b/drivers/char/watchdog/scx200_wdt.c
@@ -39,15 +39,11 @@ MODULE_DESCRIPTION("NatSemi SCx200 Watchdog Driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
-#ifndef CONFIG_WATCHDOG_NOWAYOUT
-#define CONFIG_WATCHDOG_NOWAYOUT 0
-#endif
-
 static int margin = 60;		/* in seconds */
 module_param(margin, int, 0);
 MODULE_PARM_DESC(margin, "Watchdog margin in seconds");
 
-static int nowayout = CONFIG_WATCHDOG_NOWAYOUT;
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close");
 
diff --git a/drivers/char/watchdog/shwdt.c b/drivers/char/watchdog/shwdt.c
index 3bc9272..1f4cab5 100644
--- a/drivers/char/watchdog/shwdt.c
+++ b/drivers/char/watchdog/shwdt.c
@@ -75,11 +75,7 @@ static unsigned long next_heartbeat;
 #define WATCHDOG_HEARTBEAT 30			/* 30 sec default heartbeat */
 static int heartbeat = WATCHDOG_HEARTBEAT;	/* in seconds */
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
+static int nowayout = WATCHDOG_NOWAYOUT;
 
 /**
  * 	sh_wdt_start - Start the Watchdog
diff --git a/drivers/char/watchdog/softdog.c b/drivers/char/watchdog/softdog.c
index 11790349..4d7ed93 100644
--- a/drivers/char/watchdog/softdog.c
+++ b/drivers/char/watchdog/softdog.c
@@ -56,12 +56,7 @@ static int soft_margin = TIMER_MARGIN;	/* in seconds */
 module_param(soft_margin, int, 0);
 MODULE_PARM_DESC(soft_margin, "Watchdog soft_margin in seconds. (0<soft_margin<65536, default=" __MODULE_STRING(TIMER_MARGIN) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
@@ -97,7 +92,7 @@ static void watchdog_fire(unsigned long data)
 	else
 	{
 		printk(KERN_CRIT PFX "Initiating system reboot.\n");
-		machine_restart(NULL);
+		emergency_restart();
 		printk(KERN_CRIT PFX "Reboot didn't ?????\n");
 	}
 }
diff --git a/drivers/char/watchdog/w83627hf_wdt.c b/drivers/char/watchdog/w83627hf_wdt.c
index 813c970..465e0fd 100644
--- a/drivers/char/watchdog/w83627hf_wdt.c
+++ b/drivers/char/watchdog/w83627hf_wdt.c
@@ -54,12 +54,7 @@ static int timeout = WATCHDOG_TIMEOUT;	/* in seconds */
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=63, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/w83877f_wdt.c b/drivers/char/watchdog/w83877f_wdt.c
index bccbd4d..52a8bd0 100644
--- a/drivers/char/watchdog/w83877f_wdt.c
+++ b/drivers/char/watchdog/w83877f_wdt.c
@@ -85,12 +85,7 @@ module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. (1<=timeout<=3600, default=" __MODULE_STRING(WATCHDOG_TIMEOUT) ")");
 
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/wafer5823wdt.c b/drivers/char/watchdog/wafer5823wdt.c
index abb0bea..7cf6c9b 100644
--- a/drivers/char/watchdog/wafer5823wdt.c
+++ b/drivers/char/watchdog/wafer5823wdt.c
@@ -63,12 +63,7 @@ static int timeout = WD_TIMO;  /* in seconds */
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=255, default=" __MODULE_STRING(WD_TIMO) ".");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/wdrtas.c b/drivers/char/watchdog/wdrtas.c
new file mode 100644
index 0000000..619e2ff
--- /dev/null
+++ b/drivers/char/watchdog/wdrtas.c
@@ -0,0 +1,696 @@
+/*
+ * FIXME: add wdrtas_get_status and wdrtas_get_boot_status as soon as
+ * RTAS calls are available
+ */
+
+/*
+ * RTAS watchdog driver
+ *
+ * (C) Copyright IBM Corp. 2005
+ * device driver to exploit watchdog RTAS functions
+ *
+ * Authors : Utz Bacher <utz.bacher@de.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
+#include <linux/reboot.h>
+#include <linux/types.h>
+#include <linux/watchdog.h>
+
+#include <asm/rtas.h>
+#include <asm/uaccess.h>
+
+#define WDRTAS_MAGIC_CHAR		42
+#define WDRTAS_SUPPORTED_MASK		(WDIOF_SETTIMEOUT | \
+					 WDIOF_MAGICCLOSE)
+
+MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>");
+MODULE_DESCRIPTION("RTAS watchdog driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+MODULE_ALIAS_MISCDEV(TEMP_MINOR);
+
+#ifdef CONFIG_WATCHDOG_NOWAYOUT
+static int wdrtas_nowayout = 1;
+#else
+static int wdrtas_nowayout = 0;
+#endif
+
+static atomic_t wdrtas_miscdev_open = ATOMIC_INIT(0);
+static char wdrtas_expect_close = 0;
+
+static int wdrtas_interval;
+
+#define WDRTAS_THERMAL_SENSOR		3
+static int wdrtas_token_get_sensor_state;
+#define WDRTAS_SURVEILLANCE_IND		9000
+static int wdrtas_token_set_indicator;
+#define WDRTAS_SP_SPI			28
+static int wdrtas_token_get_sp;
+static int wdrtas_token_event_scan;
+
+#define WDRTAS_DEFAULT_INTERVAL		300
+
+#define WDRTAS_LOGBUFFER_LEN		128
+static char wdrtas_logbuffer[WDRTAS_LOGBUFFER_LEN];
+
+
+/*** watchdog access functions */
+
+/**
+ * wdrtas_set_interval - sets the watchdog interval
+ * @interval: new interval
+ *
+ * returns 0 on success, <0 on failures
+ *
+ * wdrtas_set_interval sets the watchdog keepalive interval by calling the
+ * RTAS function set-indicator (surveillance). The unit of interval is
+ * seconds.
+ */
+static int
+wdrtas_set_interval(int interval)
+{
+	long result;
+	static int print_msg = 10;
+
+	/* rtas uses minutes */
+	interval = (interval + 59) / 60;
+
+	result = rtas_call(wdrtas_token_set_indicator, 3, 1, NULL,
+			   WDRTAS_SURVEILLANCE_IND, 0, interval);
+	if ( (result < 0) && (print_msg) ) {
+		printk(KERN_ERR "wdrtas: setting the watchdog to %i "
+		       "timeout failed: %li\n", interval, result);
+		print_msg--;
+	}
+
+	return result;
+}
+
+/**
+ * wdrtas_get_interval - returns the current watchdog interval
+ * @fallback_value: value (in seconds) to use, if the RTAS call fails
+ *
+ * returns the interval
+ *
+ * wdrtas_get_interval returns the current watchdog keepalive interval
+ * as reported by the RTAS function ibm,get-system-parameter. The unit
+ * of the return value is seconds.
+ */
+static int
+wdrtas_get_interval(int fallback_value)
+{
+	long result;
+	char value[4];
+
+	result = rtas_call(wdrtas_token_get_sp, 3, 1, NULL,
+			   WDRTAS_SP_SPI, (void *)__pa(&value), 4);
+	if ( (value[0] != 0) || (value[1] != 2) || (value[3] != 0) ||
+	     (result < 0) ) {
+		printk(KERN_WARNING "wdrtas: could not get sp_spi watchdog "
+		       "timeout (%li). Continuing\n", result);
+		return fallback_value;
+	}
+
+	/* rtas uses minutes */
+	return ((int)value[2]) * 60;
+}
+
+/**
+ * wdrtas_timer_start - starts watchdog
+ *
+ * wdrtas_timer_start starts the watchdog by calling the RTAS function
+ * set-interval (surveillance)
+ */
+static void
+wdrtas_timer_start(void)
+{
+	wdrtas_set_interval(wdrtas_interval);
+}
+
+/**
+ * wdrtas_timer_stop - stops watchdog
+ *
+ * wdrtas_timer_stop stops the watchdog timer by calling the RTAS function
+ * set-interval (surveillance)
+ */
+static void
+wdrtas_timer_stop(void)
+{
+	wdrtas_set_interval(0);
+}
+
+/**
+ * wdrtas_log_scanned_event - logs an event we received during keepalive
+ *
+ * wdrtas_log_scanned_event prints a message to the log buffer dumping
+ * the results of the last event-scan call
+ */
+static void
+wdrtas_log_scanned_event(void)
+{
+	int i;
+
+	for (i = 0; i < WDRTAS_LOGBUFFER_LEN; i += 16)
+		printk(KERN_INFO "wdrtas: dumping event (line %i/%i), data = "
+		       "%02x %02x %02x %02x  %02x %02x %02x %02x   "
+		       "%02x %02x %02x %02x  %02x %02x %02x %02x\n",
+		       (i / 16) + 1, (WDRTAS_LOGBUFFER_LEN / 16),
+		       wdrtas_logbuffer[i + 0], wdrtas_logbuffer[i + 1], 
+		       wdrtas_logbuffer[i + 2], wdrtas_logbuffer[i + 3], 
+		       wdrtas_logbuffer[i + 4], wdrtas_logbuffer[i + 5], 
+		       wdrtas_logbuffer[i + 6], wdrtas_logbuffer[i + 7], 
+		       wdrtas_logbuffer[i + 8], wdrtas_logbuffer[i + 9], 
+		       wdrtas_logbuffer[i + 10], wdrtas_logbuffer[i + 11], 
+		       wdrtas_logbuffer[i + 12], wdrtas_logbuffer[i + 13], 
+		       wdrtas_logbuffer[i + 14], wdrtas_logbuffer[i + 15]);
+}
+
+/**
+ * wdrtas_timer_keepalive - resets watchdog timer to keep system alive
+ *
+ * wdrtas_timer_keepalive restarts the watchdog timer by calling the
+ * RTAS function event-scan and repeats these calls as long as there are
+ * events available. All events will be dumped.
+ */
+static void
+wdrtas_timer_keepalive(void)
+{
+	long result;
+
+	do {
+		result = rtas_call(wdrtas_token_event_scan, 4, 1, NULL,
+				   RTAS_EVENT_SCAN_ALL_EVENTS, 0,
+				   (void *)__pa(wdrtas_logbuffer),
+				   WDRTAS_LOGBUFFER_LEN);
+		if (result < 0)
+			printk(KERN_ERR "wdrtas: event-scan failed: %li\n",
+			       result);
+		if (result == 0)
+			wdrtas_log_scanned_event();
+	} while (result == 0);
+}
+
+/**
+ * wdrtas_get_temperature - returns current temperature
+ *
+ * returns temperature or <0 on failures
+ *
+ * wdrtas_get_temperature returns the current temperature in Fahrenheit. It
+ * uses the RTAS call get-sensor-state, token 3 to do so
+ */
+static int
+wdrtas_get_temperature(void)
+{
+	long result;
+	int temperature = 0;
+
+	result = rtas_call(wdrtas_token_get_sensor_state, 2, 2,
+			   (void *)__pa(&temperature),
+			   WDRTAS_THERMAL_SENSOR, 0);
+
+	if (result < 0)
+		printk(KERN_WARNING "wdrtas: reading the thermal sensor "
+		       "faild: %li\n", result);
+	else
+		temperature = ((temperature * 9) / 5) + 32; /* fahrenheit */
+
+	return temperature;
+}
+
+/**
+ * wdrtas_get_status - returns the status of the watchdog
+ *
+ * returns a bitmask of defines WDIOF_... as defined in
+ * include/linux/watchdog.h
+ */
+static int
+wdrtas_get_status(void)
+{
+	return 0; /* TODO */
+}
+
+/**
+ * wdrtas_get_boot_status - returns the reason for the last boot
+ *
+ * returns a bitmask of defines WDIOF_... as defined in
+ * include/linux/watchdog.h, indicating why the watchdog rebooted the system
+ */
+static int
+wdrtas_get_boot_status(void)
+{
+	return 0; /* TODO */
+}
+
+/*** watchdog API and operations stuff */
+
+/* wdrtas_write - called when watchdog device is written to
+ * @file: file structure
+ * @buf: user buffer with data
+ * @len: amount to data written
+ * @ppos: position in file
+ *
+ * returns the number of successfully processed characters, which is always
+ * the number of bytes passed to this function
+ *
+ * wdrtas_write processes all the data given to it and looks for the magic
+ * character 'V'. This character allows the watchdog device to be closed
+ * properly.
+ */
+static ssize_t
+wdrtas_write(struct file *file, const char __user *buf,
+	     size_t len, loff_t *ppos)
+{
+	int i;
+	char c;
+
+	if (!len)
+		goto out;
+
+	if (!wdrtas_nowayout) {
+		wdrtas_expect_close = 0;
+		/* look for 'V' */
+		for (i = 0; i < len; i++) {
+			if (get_user(c, buf + i))
+				return -EFAULT;
+			/* allow to close device */
+			if (c == 'V')
+				wdrtas_expect_close = WDRTAS_MAGIC_CHAR;
+		}
+	}
+
+	wdrtas_timer_keepalive();
+
+out:
+	return len;
+}
+
+/**
+ * wdrtas_ioctl - ioctl function for the watchdog device
+ * @inode: inode structure
+ * @file: file structure
+ * @cmd: command for ioctl
+ * @arg: argument pointer
+ *
+ * returns 0 on success, <0 on failure
+ *
+ * wdrtas_ioctl implements the watchdog API ioctls
+ */
+static int
+wdrtas_ioctl(struct inode *inode, struct file *file,
+	     unsigned int cmd, unsigned long arg)
+{
+	int __user *argp = (void *)arg;
+	int i;
+	static struct watchdog_info wdinfo = {
+		.options = WDRTAS_SUPPORTED_MASK,
+		.firmware_version = 0,
+		.identity = "wdrtas"
+	};
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		if (copy_to_user(argp, &wdinfo, sizeof(wdinfo)))
+			return -EFAULT;
+		return 0;
+
+	case WDIOC_GETSTATUS:
+		i = wdrtas_get_status();
+		return put_user(i, argp);
+
+	case WDIOC_GETBOOTSTATUS:
+		i = wdrtas_get_boot_status();
+		return put_user(i, argp);
+
+	case WDIOC_GETTEMP:
+		if (wdrtas_token_get_sensor_state == RTAS_UNKNOWN_SERVICE)
+			return -EOPNOTSUPP;
+
+		i = wdrtas_get_temperature();
+		return put_user(i, argp);
+
+	case WDIOC_SETOPTIONS:
+		if (get_user(i, argp))
+			return -EFAULT;
+		if (i & WDIOS_DISABLECARD)
+			wdrtas_timer_stop();
+		if (i & WDIOS_ENABLECARD) {
+			wdrtas_timer_keepalive();
+			wdrtas_timer_start();
+		}
+		if (i & WDIOS_TEMPPANIC) {
+			/* not implemented. Done by H8 */
+		}
+		return 0;
+
+	case WDIOC_KEEPALIVE:
+		wdrtas_timer_keepalive();
+		return 0;
+
+	case WDIOC_SETTIMEOUT:
+		if (get_user(i, argp))
+			return -EFAULT;
+
+		if (wdrtas_set_interval(i))
+			return -EINVAL;
+
+		wdrtas_timer_keepalive();
+
+		if (wdrtas_token_get_sp == RTAS_UNKNOWN_SERVICE)
+			wdrtas_interval = i;
+		else
+			wdrtas_interval = wdrtas_get_interval(i);
+		/* fallthrough */
+
+	case WDIOC_GETTIMEOUT:
+		return put_user(wdrtas_interval, argp);
+
+	default:
+		return -ENOIOCTLCMD;
+	}
+}
+
+/**
+ * wdrtas_open - open function of watchdog device
+ * @inode: inode structure
+ * @file: file structure
+ *
+ * returns 0 on success, -EBUSY if the file has been opened already, <0 on
+ * other failures
+ *
+ * function called when watchdog device is opened
+ */
+static int
+wdrtas_open(struct inode *inode, struct file *file)
+{
+	/* only open once */
+	if (atomic_inc_return(&wdrtas_miscdev_open) > 1) {
+		atomic_dec(&wdrtas_miscdev_open);
+		return -EBUSY;
+	}
+
+	wdrtas_timer_start();
+	wdrtas_timer_keepalive();
+
+	return nonseekable_open(inode, file);
+}
+
+/**
+ * wdrtas_close - close function of watchdog device
+ * @inode: inode structure
+ * @file: file structure
+ *
+ * returns 0 on success
+ *
+ * close function. Always succeeds
+ */
+static int
+wdrtas_close(struct inode *inode, struct file *file)
+{
+	/* only stop watchdog, if this was announced using 'V' before */
+	if (wdrtas_expect_close == WDRTAS_MAGIC_CHAR)
+		wdrtas_timer_stop();
+	else {
+		printk(KERN_WARNING "wdrtas: got unexpected close. Watchdog "
+		       "not stopped.\n");
+		wdrtas_timer_keepalive();
+	}
+
+	wdrtas_expect_close = 0;
+	atomic_dec(&wdrtas_miscdev_open);
+	return 0;
+}
+
+/**
+ * wdrtas_temp_read - gives back the temperature in fahrenheit
+ * @file: file structure
+ * @buf: user buffer
+ * @count: number of bytes to be read
+ * @ppos: position in file
+ *
+ * returns always 1 or -EFAULT in case of user space copy failures, <0 on
+ * other failures
+ *
+ * wdrtas_temp_read gives the temperature to the users by copying this
+ * value as one byte into the user space buffer. The unit is Fahrenheit...
+ */
+static ssize_t
+wdrtas_temp_read(struct file *file, char __user *buf,
+		 size_t count, loff_t *ppos)
+{
+	int temperature = 0;
+
+	temperature = wdrtas_get_temperature();
+	if (temperature < 0)
+		return temperature;
+
+	if (copy_to_user(buf, &temperature, 1))
+		return -EFAULT;
+
+	return 1;
+}
+
+/**
+ * wdrtas_temp_open - open function of temperature device
+ * @inode: inode structure
+ * @file: file structure
+ *
+ * returns 0 on success, <0 on failure
+ *
+ * function called when temperature device is opened
+ */
+static int
+wdrtas_temp_open(struct inode *inode, struct file *file)
+{
+	return nonseekable_open(inode, file);
+}
+
+/**
+ * wdrtas_temp_close - close function of temperature device
+ * @inode: inode structure
+ * @file: file structure
+ *
+ * returns 0 on success
+ *
+ * close function. Always succeeds
+ */
+static int
+wdrtas_temp_close(struct inode *inode, struct file *file)
+{
+	return 0;
+}
+
+/**
+ * wdrtas_reboot - reboot notifier function
+ * @nb: notifier block structure
+ * @code: reboot code
+ * @ptr: unused
+ *
+ * returns NOTIFY_DONE
+ *
+ * wdrtas_reboot stops the watchdog in case of a reboot
+ */
+static int
+wdrtas_reboot(struct notifier_block *this, unsigned long code, void *ptr)
+{
+	if ( (code==SYS_DOWN) || (code==SYS_HALT) )
+		wdrtas_timer_stop();
+
+	return NOTIFY_DONE;
+}
+
+/*** initialization stuff */
+
+static struct file_operations wdrtas_fops = {
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.write		= wdrtas_write,
+	.ioctl		= wdrtas_ioctl,
+	.open		= wdrtas_open,
+	.release	= wdrtas_close,
+};
+
+static struct miscdevice wdrtas_miscdev = {
+	.minor =	WATCHDOG_MINOR,
+	.name =		"watchdog",
+	.fops =		&wdrtas_fops,
+};
+
+static struct file_operations wdrtas_temp_fops = {
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.read		= wdrtas_temp_read,
+	.open		= wdrtas_temp_open,
+	.release	= wdrtas_temp_close,
+};
+
+static struct miscdevice wdrtas_tempdev = {
+	.minor =	TEMP_MINOR,
+	.name =		"temperature",
+	.fops =		&wdrtas_temp_fops,
+};
+
+static struct notifier_block wdrtas_notifier = {
+	.notifier_call =	wdrtas_reboot,
+};
+
+/**
+ * wdrtas_get_tokens - reads in RTAS tokens
+ *
+ * returns 0 on succes, <0 on failure
+ *
+ * wdrtas_get_tokens reads in the tokens for the RTAS calls used in
+ * this watchdog driver. It tolerates, if "get-sensor-state" and
+ * "ibm,get-system-parameter" are not available.
+ */
+static int
+wdrtas_get_tokens(void)
+{
+	wdrtas_token_get_sensor_state = rtas_token("get-sensor-state");
+	if (wdrtas_token_get_sensor_state == RTAS_UNKNOWN_SERVICE) {
+		printk(KERN_WARNING "wdrtas: couldn't get token for "
+		       "get-sensor-state. Trying to continue without "
+		       "temperature support.\n");
+	}
+
+	wdrtas_token_get_sp = rtas_token("ibm,get-system-parameter");
+	if (wdrtas_token_get_sp == RTAS_UNKNOWN_SERVICE) {
+		printk(KERN_WARNING "wdrtas: couldn't get token for "
+		       "ibm,get-system-parameter. Trying to continue with "
+		       "a default timeout value of %i seconds.\n",
+		       WDRTAS_DEFAULT_INTERVAL);
+	}
+
+	wdrtas_token_set_indicator = rtas_token("set-indicator");
+	if (wdrtas_token_set_indicator == RTAS_UNKNOWN_SERVICE) {
+		printk(KERN_ERR "wdrtas: couldn't get token for "
+		       "set-indicator. Terminating watchdog code.\n");
+		return -EIO;
+	}
+
+	wdrtas_token_event_scan = rtas_token("event-scan");
+	if (wdrtas_token_event_scan == RTAS_UNKNOWN_SERVICE) {
+		printk(KERN_ERR "wdrtas: couldn't get token for event-scan. "
+		       "Terminating watchdog code.\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+/**
+ * wdrtas_unregister_devs - unregisters the misc dev handlers
+ *
+ * wdrtas_register_devs unregisters the watchdog and temperature watchdog
+ * misc devs
+ */
+static void
+wdrtas_unregister_devs(void)
+{
+	misc_deregister(&wdrtas_miscdev);
+	if (wdrtas_token_get_sensor_state != RTAS_UNKNOWN_SERVICE)
+		misc_deregister(&wdrtas_tempdev);
+}
+
+/**
+ * wdrtas_register_devs - registers the misc dev handlers
+ *
+ * returns 0 on succes, <0 on failure
+ *
+ * wdrtas_register_devs registers the watchdog and temperature watchdog
+ * misc devs
+ */
+static int
+wdrtas_register_devs(void)
+{
+	int result;
+
+	result = misc_register(&wdrtas_miscdev);
+	if (result) {
+		printk(KERN_ERR "wdrtas: couldn't register watchdog misc "
+		       "device. Terminating watchdog code.\n");
+		return result;
+	}
+
+	if (wdrtas_token_get_sensor_state != RTAS_UNKNOWN_SERVICE) {
+		result = misc_register(&wdrtas_tempdev);
+		if (result) {
+			printk(KERN_WARNING "wdrtas: couldn't register "
+			       "watchdog temperature misc device. Continuing "
+			       "without temperature support.\n");
+			wdrtas_token_get_sensor_state = RTAS_UNKNOWN_SERVICE;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * wdrtas_init - init function of the watchdog driver
+ *
+ * returns 0 on succes, <0 on failure
+ *
+ * registers the file handlers and the reboot notifier
+ */
+static int __init
+wdrtas_init(void)
+{
+	if (wdrtas_get_tokens())
+		return -ENODEV;
+
+	if (wdrtas_register_devs())
+		return -ENODEV;
+
+	if (register_reboot_notifier(&wdrtas_notifier)) {
+		printk(KERN_ERR "wdrtas: could not register reboot notifier. "
+		       "Terminating watchdog code.\n");
+		wdrtas_unregister_devs();
+		return -ENODEV;
+	}
+
+	if (wdrtas_token_get_sp == RTAS_UNKNOWN_SERVICE)
+		wdrtas_interval = WDRTAS_DEFAULT_INTERVAL;
+	else
+		wdrtas_interval = wdrtas_get_interval(WDRTAS_DEFAULT_INTERVAL);
+
+	return 0;
+}
+
+/**
+ * wdrtas_exit - exit function of the watchdog driver
+ *
+ * unregisters the file handlers and the reboot notifier
+ */
+static void __exit
+wdrtas_exit(void)
+{
+	if (!wdrtas_nowayout)
+		wdrtas_timer_stop();
+
+	wdrtas_unregister_devs();
+
+	unregister_reboot_notifier(&wdrtas_notifier);
+}
+
+module_init(wdrtas_init);
+module_exit(wdrtas_exit);
diff --git a/drivers/char/watchdog/wdt.c b/drivers/char/watchdog/wdt.c
index 5684aa3..ec7e4012 100644
--- a/drivers/char/watchdog/wdt.c
+++ b/drivers/char/watchdog/wdt.c
@@ -63,12 +63,7 @@ static int wd_heartbeat;
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WD_TIMO) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
@@ -266,7 +261,7 @@ static irqreturn_t wdt_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 		printk(KERN_CRIT "Would Reboot.\n");
 #else
 		printk(KERN_CRIT "Initiating system reboot.\n");
-		machine_restart(NULL);
+		emergency_restart();
 #endif
 #else
 		printk(KERN_CRIT "Reset in 5ms.\n");
diff --git a/drivers/char/watchdog/wdt977.c b/drivers/char/watchdog/wdt977.c
index 072e9b2..44d49df 100644
--- a/drivers/char/watchdog/wdt977.c
+++ b/drivers/char/watchdog/wdt977.c
@@ -53,12 +53,7 @@ MODULE_PARM_DESC(timeout,"Watchdog timeout in seconds (60..15300), default=" __M
 module_param(testmode, int, 0);
 MODULE_PARM_DESC(testmode,"Watchdog testmode (1 = no reboot), default=0");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
diff --git a/drivers/char/watchdog/wdt_pci.c b/drivers/char/watchdog/wdt_pci.c
index 7651ded..4b33119 100644
--- a/drivers/char/watchdog/wdt_pci.c
+++ b/drivers/char/watchdog/wdt_pci.c
@@ -89,12 +89,7 @@ static int wd_heartbeat;
 module_param(heartbeat, int, 0);
 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" __MODULE_STRING(WD_TIMO) ")");
 
-#ifdef CONFIG_WATCHDOG_NOWAYOUT
-static int nowayout = 1;
-#else
-static int nowayout = 0;
-#endif
-
+static int nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)");
 
@@ -311,7 +306,7 @@ static irqreturn_t wdtpci_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 		printk(KERN_CRIT PFX "Would Reboot.\n");
 #else
 		printk(KERN_CRIT PFX "Initiating system reboot.\n");
-		machine_restart(NULL);
+		emergency_restart(NULL);
 #endif
 #else
 		printk(KERN_CRIT PFX "Reset in 5ms.\n");