diff options
Diffstat (limited to 'sys/dev/drm/drmP.h')
| -rw-r--r-- | sys/dev/drm/drmP.h | 860 |
1 files changed, 616 insertions, 244 deletions
diff --git a/sys/dev/drm/drmP.h b/sys/dev/drm/drmP.h index c30ab87..4d00edc 100644 --- a/sys/dev/drm/drmP.h +++ b/sys/dev/drm/drmP.h @@ -1,5 +1,6 @@ /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- - * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com */ + * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com + */ /*- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -36,48 +37,99 @@ #if defined(_KERNEL) || defined(__KERNEL__) -/* DRM template customization defaults - */ -#ifndef __HAVE_AGP -#define __HAVE_AGP 0 -#endif -#ifndef __HAVE_MTRR -#define __HAVE_MTRR 0 -#endif -#ifndef __HAVE_CTX_BITMAP -#define __HAVE_CTX_BITMAP 0 -#endif -#ifndef __HAVE_DMA -#define __HAVE_DMA 0 -#endif -#ifndef __HAVE_IRQ -#define __HAVE_IRQ 0 -#endif - -#define DRM_DEBUG_CODE 0 /* Include debugging code (if > 1, then - also include looping detection. */ - typedef struct drm_device drm_device_t; typedef struct drm_file drm_file_t; -/* There's undoubtably more of this file to go into these OS dependent ones. */ - -#ifdef __FreeBSD__ -#include "dev/drm/drm_os_freebsd.h" -#elif defined __NetBSD__ -#include "dev/drm/drm_os_netbsd.h" -#endif +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/malloc.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/stat.h> +#include <sys/proc.h> +#include <sys/lock.h> +#include <sys/fcntl.h> +#include <sys/uio.h> +#include <sys/filio.h> +#include <sys/sysctl.h> +#include <sys/bus.h> +#include <sys/signalvar.h> +#include <sys/poll.h> +#include <vm/vm.h> +#include <vm/pmap.h> +#include <vm/vm_extern.h> +#include <vm/vm_map.h> +#include <vm/vm_param.h> +#include <machine/param.h> +#include <machine/pmap.h> +#include <machine/bus.h> +#include <machine/resource.h> +#include <machine/sysarch.h> +#include <sys/endian.h> +#include <sys/mman.h> +#if defined(__FreeBSD__) +#include <sys/rman.h> +#include <sys/memrange.h> +#include <pci/agpvar.h> +#include <sys/agpio.h> +#if __FreeBSD_version >= 500000 +#include <sys/mutex.h> +#include <dev/pci/pcivar.h> +#include <sys/selinfo.h> +#else /* __FreeBSD_version >= 500000 */ +#include <pci/pcivar.h> +#include <sys/select.h> +#endif /* __FreeBSD_version < 500000 */ +#elif defined(__NetBSD__) +#include <machine/mtrr.h> +#include <sys/vnode.h> +#include <sys/select.h> +#include <sys/device.h> +#include <sys/resourcevar.h> +#include <sys/lkm.h> +#include <sys/agpio.h> +#include <sys/ttycom.h> +#include <uvm/uvm.h> +#include <dev/pci/pcireg.h> +#include <dev/pci/pcivar.h> +#include <dev/pci/agpvar.h> +#elif defined(__OpenBSD__) +#include <sys/lkm.h> +#include <uvm/uvm.h> +#endif +#include <sys/bus.h> #include "dev/drm/drm.h" +#include "dev/drm/drm_linux_list.h" +#include "dev/drm/drm_atomic.h" -/* Begin the DRM... */ +#ifdef __FreeBSD__ +#include <opt_drm.h> +#ifdef DRM_DEBUG +#undef DRM_DEBUG +#define DRM_DEBUG_DEFAULT_ON 1 +#endif /* DRM_DEBUG */ +#endif + +#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) +#include <sys/file.h> +#include <sys/proc.h> +#include <machine/../linux/linux.h> +#include <machine/../linux/linux_proto.h> +#else +/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't + * supported on this OS yet. + */ +#undef DRM_LINUX +#define DRM_LINUX 0 +#endif #define DRM_HASH_SIZE 16 /* Size of key hash table */ #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ -#define DRM_FLAG_DEBUG 0x01 - #define DRM_MEM_DMA 0 #define DRM_MEM_SAREA 1 #define DRM_MEM_DRIVER 2 @@ -101,19 +153,6 @@ typedef struct drm_file drm_file_t; #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) - /* Mapping helper macros */ -#define DRM_IOREMAP(map, dev) \ - (map)->handle = DRM(ioremap)( dev, map ) - -#define DRM_IOREMAP_NOCACHE(map, dev) \ - (map)->handle = DRM(ioremap_nocache)( dev, map ) - -#define DRM_IOREMAPFREE(map, dev) \ - do { \ - if ( (map)->handle && (map)->size ) \ - DRM(ioremapfree)( map ); \ - } while (0) - /* Internal types and structures */ #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) #define DRM_MIN(a,b) ((a)<(b)?(a):(b)) @@ -121,10 +160,268 @@ typedef struct drm_file drm_file_t; #define DRM_IF_VERSION(maj, min) (maj << 16 | min) +MALLOC_DECLARE(M_DRM); + +#define __OS_HAS_AGP 1 + +#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) +#define DRM_DEV_UID 0 +#define DRM_DEV_GID 0 + +#define wait_queue_head_t atomic_t +#define DRM_WAKEUP(w) wakeup((void *)w) +#define DRM_WAKEUP_INT(w) wakeup(w) +#define DRM_INIT_WAITQUEUE(queue) do {} while (0) + +#if defined(__FreeBSD__) && __FreeBSD_version < 502109 +#define bus_alloc_resource_any(dev, type, rid, flags) \ + bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags) +#endif + +#if defined(__FreeBSD__) && __FreeBSD_version >= 500000 +#define DRM_CURPROC curthread +#define DRM_STRUCTPROC struct thread +#define DRM_SPINTYPE struct mtx +#define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF) +#define DRM_SPINUNINIT(l) mtx_destroy(&l) +#define DRM_SPINLOCK(l) mtx_lock(l) +#define DRM_SPINUNLOCK(u) mtx_unlock(u); +#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) +#define DRM_CURRENTPID curthread->td_proc->p_pid +#define DRM_LOCK() mtx_lock(&dev->dev_lock) +#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) +#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) +#else /* __FreeBSD__ && __FreeBSD_version >= 500000 */ +#define DRM_CURPROC curproc +#define DRM_STRUCTPROC struct proc +#define DRM_SPINTYPE struct simplelock +#define DRM_SPININIT(l,name) +#define DRM_SPINUNINIT(l) +#define DRM_SPINLOCK(l) +#define DRM_SPINUNLOCK(u) +#define DRM_SPINLOCK_ASSERT(l) +#define DRM_CURRENTPID curproc->p_pid +#define DRM_LOCK() +#define DRM_UNLOCK() +#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS +#define spldrm() spltty() +#endif /* __NetBSD__ || __OpenBSD__ */ + +/* Currently our DRMFILE (filp) is a void * which is actually the pid + * of the current process. It should be a per-open unique pointer, but + * code for that is not yet written */ +#define DRMFILE void * +#define DRM_IRQ_ARGS void *arg +typedef void irqreturn_t; +#define IRQ_HANDLED /* nothing */ +#define IRQ_NONE /* nothing */ + +#if defined(__FreeBSD__) +#define DRM_DEVICE \ + drm_device_t *dev = kdev->si_drv1 +#define DRM_IOCTL_ARGS struct cdev *kdev, u_long cmd, caddr_t data, \ + int flags, DRM_STRUCTPROC *p, DRMFILE filp + +#define PAGE_ALIGN(addr) round_page(addr) +#define DRM_SUSER(p) suser(p) +#define DRM_AGP_FIND_DEVICE() agp_find_device() +#define DRM_MTRR_WC MDF_WRITECOMBINE +#define jiffies ticks + +#else /* __FreeBSD__ */ + +#if defined(__NetBSD__) +#define DRM_DEVICE \ + drm_device_t *dev = device_lookup(&drm_cd, minor(kdev)) +#elif defined(__OpenBSD__) +#define DRM_DEVICE \ + drm_device_t *dev = (device_lookup(&drm_cd, \ + minor(kdev)))->dv_cfdata->cf_driver->cd_devs[minor(kdev)] +#endif /* __OpenBSD__ */ +#define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, \ + int flags, DRM_STRUCTPROC *p, DRMFILE filp + +#define CDEV_MAJOR 34 +#define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK) +#define DRM_SUSER(p) suser(p->p_ucred, &p->p_acflag) +#define DRM_AGP_FIND_DEVICE() agp_find_device(0) +#define DRM_MTRR_WC MTRR_TYPE_WC +#define jiffies hardclock_ticks + +typedef drm_device_t *device_t; +extern struct cfdriver drm_cd; +#endif /* !__FreeBSD__ */ + +typedef unsigned long dma_addr_t; +typedef u_int32_t u32; +typedef u_int16_t u16; +typedef u_int8_t u8; + +/* DRM_READMEMORYBARRIER() prevents reordering of reads. + * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. + * DRM_MEMORYBARRIER() prevents reordering of reads and writes. + */ +#if defined(__i386__) +#define DRM_READMEMORYBARRIER() __asm __volatile( \ + "lock; addl $0,0(%%esp)" : : : "memory"); +#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); +#define DRM_MEMORYBARRIER() __asm __volatile( \ + "lock; addl $0,0(%%esp)" : : : "memory"); +#elif defined(__alpha__) +#define DRM_READMEMORYBARRIER() alpha_mb(); +#define DRM_WRITEMEMORYBARRIER() alpha_wmb(); +#define DRM_MEMORYBARRIER() alpha_mb(); +#elif defined(__amd64__) +#define DRM_READMEMORYBARRIER() __asm __volatile( \ + "lock; addl $0,0(%%rsp)" : : : "memory"); +#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); +#define DRM_MEMORYBARRIER() __asm __volatile( \ + "lock; addl $0,0(%%rsp)" : : : "memory"); +#endif + +#ifdef __FreeBSD__ +#define DRM_READ8(map, offset) \ + *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) +#define DRM_READ16(map, offset) \ + *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) +#define DRM_READ32(map, offset) \ + *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) +#define DRM_WRITE8(map, offset, val) \ + *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val +#define DRM_WRITE16(map, offset, val) \ + *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val +#define DRM_WRITE32(map, offset, val) \ + *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val + +#define DRM_VERIFYAREA_READ( uaddr, size ) \ + (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) + +#else /* __FreeBSD__ */ + +typedef vaddr_t vm_offset_t; + +#define DRM_READ8(map, offset) \ + bus_space_read_1( (map)->bst, (map)->bsh, (offset)) +#define DRM_READ16(map, offset) \ + bus_space_read_2( (map)->bst, (map)->bsh, (offset)) +#define DRM_READ32(map, offset) \ + bus_space_read_4( (map)->bst, (map)->bsh, (offset)) +#define DRM_WRITE8(map, offset, val) \ + bus_space_write_1((map)->bst, (map)->bsh, (offset), (val)) +#define DRM_WRITE16(map, offset, val) \ + bus_space_write_2((map)->bst, (map)->bsh, (offset), (val)) +#define DRM_WRITE32(map, offset, val) \ + bus_space_write_4((map)->bst, (map)->bsh, (offset), (val)) + +#define DRM_VERIFYAREA_READ( uaddr, size ) \ + (!uvm_useracc((caddr_t)uaddr, size, VM_PROT_READ)) +#endif /* !__FreeBSD__ */ + +#define DRM_COPY_TO_USER_IOCTL(user, kern, size) \ + if ( IOCPARM_LEN(cmd) != size) \ + return EINVAL; \ + *user = kern; +#define DRM_COPY_FROM_USER_IOCTL(kern, user, size) \ + if ( IOCPARM_LEN(cmd) != size) \ + return EINVAL; \ + kern = *user; +#define DRM_COPY_TO_USER(user, kern, size) \ + copyout(kern, user, size) +#define DRM_COPY_FROM_USER(kern, user, size) \ + copyin(user, kern, size) +#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ + copyin(arg2, arg1, arg3) +#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ + copyout(arg2, arg1, arg3) +#if __FreeBSD_version > 500000 +#define DRM_GET_USER_UNCHECKED(val, uaddr) \ + ((val) = fuword32(uaddr), 0) +#else +#define DRM_GET_USER_UNCHECKED(val, uaddr) \ + ((val) = fuword(uaddr), 0) +#endif + +#define cpu_to_le32(x) htole32(x) +#define le32_to_cpu(x) le32toh(x) + +#define DRM_ERR(v) v +#define DRM_HZ hz +#define DRM_UDELAY(udelay) DELAY(udelay) +#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ + #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ (_map) = (_dev)->context_sareas[_ctx]; \ } while(0) +#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) \ +do { \ + if (_filp != (DRMFILE)(intptr_t)DRM_CURRENTPID) { \ + DRM_ERROR("filp doesn't match curproc\n"); \ + return EINVAL; \ + } \ + _priv = drm_find_file_by_proc(dev, DRM_CURPROC); \ + if (_priv == NULL) { \ + DRM_ERROR("can't find authenticator\n"); \ + return EINVAL; \ + } \ +} while (0) + +#define LOCK_TEST_WITH_RETURN(dev, filp) \ +do { \ + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ + dev->lock.filp != filp) { \ + DRM_ERROR("%s called without lock held\n", \ + __FUNCTION__); \ + return EINVAL; \ + } \ +} while (0) + +#define DRM_GETSAREA() \ +do { \ + drm_local_map_t *map; \ + DRM_SPINLOCK_ASSERT(&dev->dev_lock); \ + TAILQ_FOREACH(map, &dev->maplist, link) { \ + if (map->type == _DRM_SHM && \ + map->flags & _DRM_CONTAINS_LOCK) { \ + dev_priv->sarea = map; \ + break; \ + } \ + } \ +} while (0) + +#if defined(__FreeBSD__) && __FreeBSD_version > 500000 +#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ +for ( ret = 0 ; !ret && !(condition) ; ) { \ + DRM_UNLOCK(); \ + mtx_lock(&dev->irq_lock); \ + if (!(condition)) \ + ret = msleep(&(queue), &dev->irq_lock, \ + PZERO | PCATCH, "drmwtq", (timeout)); \ + mtx_unlock(&dev->irq_lock); \ + DRM_LOCK(); \ +} +#else +#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ +for ( ret = 0 ; !ret && !(condition) ; ) { \ + int s = spldrm(); \ + if (!(condition)) \ + ret = tsleep( &(queue), PZERO | PCATCH, \ + "drmwtq", (timeout) ); \ + splx(s); \ +} +#endif + +#define DRM_ERROR(fmt, arg...) \ + printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ + DRM_CURRENTPID, __func__ , ## arg) + +#define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg) + +#define DRM_DEBUG(fmt, arg...) do { \ + if (drm_debug_flag) \ + printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ + __func__ , ## arg); \ +} while (0) typedef struct drm_pci_id_list { @@ -207,10 +504,7 @@ struct drm_file { int refs; drm_magic_t magic; unsigned long ioctl_count; - struct drm_device *devXX; -#ifdef DRIVER_FILE_FIELDS - DRIVER_FILE_FIELDS; -#endif + void *driver_priv; }; typedef struct drm_lock_data { @@ -239,13 +533,8 @@ typedef struct drm_device_dma { _DRM_DMA_USE_AGP = 0x01, _DRM_DMA_USE_SG = 0x02 } flags; - - /* DMA support */ - drm_buf_t *this_buffer; /* Buffer being sent */ - drm_buf_t *next_buffer; /* Selected buffer to send */ } drm_device_dma_t; -#if __REALLY_HAVE_AGP typedef struct drm_agp_mem { void *handle; unsigned long bound; /* address */ @@ -267,7 +556,6 @@ typedef struct drm_agp_head { int cant_use_aperture; unsigned long page_mask; } drm_agp_head_t; -#endif typedef struct drm_sg_mem { unsigned long handle; @@ -276,6 +564,8 @@ typedef struct drm_sg_mem { dma_addr_t *busaddr; } drm_sg_mem_t; +typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; + typedef struct drm_local_map { unsigned long offset; /* Physical address (0 for SAREA)*/ unsigned long size; /* Physical size (bytes) */ @@ -285,16 +575,14 @@ typedef struct drm_local_map { /* Kernel-space: kernel-virtual address */ int mtrr; /* Boolean: MTRR used */ /* Private data */ - bus_space_tag_t iot; - bus_space_handle_t ioh; + int rid; /* PCI resource ID for bus_space */ + int kernel_owned; /* Boolean: 1 = initmapped, 0 = addmapped */ + struct resource *bsr; + bus_space_tag_t bst; + bus_space_handle_t bsh; + TAILQ_ENTRY(drm_local_map) link; } drm_local_map_t; -typedef TAILQ_HEAD(drm_map_list, drm_map_list_entry) drm_map_list_t; -typedef struct drm_map_list_entry { - TAILQ_ENTRY(drm_map_list_entry) link; - drm_local_map_t *map; -} drm_map_list_entry_t; - TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); typedef struct drm_vbl_sig { TAILQ_ENTRY(drm_vbl_sig) link; @@ -303,29 +591,80 @@ typedef struct drm_vbl_sig { int pid; } drm_vbl_sig_t; +/** + * DRM device functions structure + */ struct drm_device { -#ifdef __NetBSD__ - struct device device; /* NetBSD's softc is an extension of struct device */ -#endif - const char *name; /* Simple driver name */ +#if defined(__NetBSD__) || defined(__OpenBSD__) + struct device device; /* softc is an extension of struct device */ +#endif + + /* Beginning of driver-config section */ + int (*preinit)(struct drm_device *, unsigned long flags); + int (*postinit)(struct drm_device *, unsigned long flags); + void (*prerelease)(struct drm_device *, void *filp); + void (*pretakedown)(struct drm_device *); + int (*postcleanup)(struct drm_device *); + int (*presetup)(struct drm_device *); + int (*postsetup)(struct drm_device *); + int (*open_helper)(struct drm_device *, drm_file_t *); + void (*free_filp_priv)(struct drm_device *, drm_file_t *); + void (*release)(struct drm_device *, void *filp); + int (*dma_ioctl)(DRM_IOCTL_ARGS); + void (*dma_ready)(struct drm_device *); + int (*dma_quiescent)(struct drm_device *); + int (*dma_flush_block_and_flush)(struct drm_device *, int context, + drm_lock_flags_t flags); + int (*dma_flush_unblock)(struct drm_device *, int context, + drm_lock_flags_t flags); + int (*context_ctor)(struct drm_device *dev, int context); + int (*context_dtor)(struct drm_device *dev, int context); + int (*kernel_context_switch)(struct drm_device *dev, int old, + int new); + int (*kernel_context_switch_unlock)(struct drm_device *dev); + void (*irq_preinstall)(drm_device_t *dev); + void (*irq_postinstall)(drm_device_t *dev); + void (*irq_uninstall)(drm_device_t *dev); + void (*irq_handler)(DRM_IRQ_ARGS); + int (*vblank_wait)(drm_device_t *dev, unsigned int *sequence); + + drm_ioctl_desc_t *driver_ioctls; + int max_driver_ioctl; + + int dev_priv_size; + + int driver_major; + int driver_minor; + int driver_patchlevel; + const char *driver_name; /* Simple driver name */ + const char *driver_desc; /* Longer driver name */ + const char *driver_date; /* Date of last major changes. */ + + unsigned use_agp :1; + unsigned require_agp :1; + unsigned use_sg :1; + unsigned use_dma :1; + unsigned use_pci_dma :1; + unsigned use_dma_queue :1; + unsigned use_irq :1; + unsigned use_vbl_irq :1; + unsigned use_mtrr :1; + /* End of driver-config section */ + char *unique; /* Unique identifier: e.g., busid */ int unique_len; /* Length of unique field */ #ifdef __FreeBSD__ device_t device; /* Device instance from newbus */ #endif - struct cdev *devnode; /* Device number for mknod */ + struct cdev *devnode; /* Device number for mknod */ int if_version; /* Highest interface version set */ int flags; /* Flags to open(2) */ /* Locks */ #if defined(__FreeBSD__) && __FreeBSD_version > 500000 -#if __HAVE_DMA struct mtx dma_lock; /* protects dev->dma */ -#endif -#if __HAVE_IRQ - struct mtx irq_lock; /* protects irq condition checks */ -#endif + struct mtx irq_lock; /* protects irq condition checks */ struct mtx dev_lock; /* protects everything else */ #endif /* Usage Counters */ @@ -342,7 +681,7 @@ struct drm_device { drm_magic_head_t magiclist[DRM_HASH_SIZE]; /* Linked list of mappable regions. Protected by dev_lock */ - drm_map_list_t *maplist; + drm_map_list_t maplist; drm_local_map_t **context_sareas; int max_context; @@ -358,7 +697,7 @@ struct drm_device { #ifdef __FreeBSD__ int irqrid; /* Interrupt used by board */ struct resource *irqr; /* Resource for interrupt used by board */ -#elif defined(__NetBSD__) +#elif defined(__NetBSD__) || defined(__OpenBSD__) struct pci_attach_args pa; pci_intr_handle_t ih; #endif @@ -371,13 +710,8 @@ struct drm_device { atomic_t context_flag; /* Context swapping flag */ int last_context; /* Last current context */ -#if __FreeBSD_version >= 400005 - struct task task; -#endif -#if __HAVE_VBL_IRQ int vbl_queue; /* vbl wait channel */ atomic_t vbl_received; -#endif #ifdef __FreeBSD__ struct sigio *buf_sigio; /* Processes waiting for SIGIO */ @@ -388,188 +722,226 @@ struct drm_device { /* Sysctl support */ struct drm_sysctl_info *sysctl; -#if __REALLY_HAVE_AGP drm_agp_head_t *agp; -#endif drm_sg_mem_t *sg; /* Scatter gather memory */ atomic_t *ctx_bitmap; void *dev_private; + drm_local_map_t *agp_buffer_map; }; -extern int DRM(flags); +extern int drm_debug_flag; - /* Memory management support (drm_memory.h) */ -extern void DRM(mem_init)(void); -extern void DRM(mem_uninit)(void); -extern void *DRM(alloc)(size_t size, int area); -extern void *DRM(calloc)(size_t nmemb, size_t size, int area); -extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, +/* Device setup support (drm_drv.c) */ +#ifdef __FreeBSD__ +int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); +int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); +int drm_detach(device_t nbdev); +d_ioctl_t drm_ioctl; +d_open_t drm_open; +d_close_t drm_close; +d_read_t drm_read; +d_poll_t drm_poll; +d_mmap_t drm_mmap; +#elif defined(__NetBSD__) || defined(__OpenBSD__) +int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist); +int drm_attach(struct pci_attach_args *pa, dev_t kdev, drm_pci_id_list_t *idlist); +dev_type_ioctl(drm_ioctl); +dev_type_open(drm_open); +dev_type_close(drm_close); +dev_type_read(drm_read); +dev_type_poll(drm_poll); +dev_type_mmap(drm_mmap); +#endif + +/* File operations helpers (drm_fops.c) */ +#ifdef __FreeBSD__ +extern int drm_open_helper(struct cdev *kdev, int flags, int fmt, + DRM_STRUCTPROC *p, drm_device_t *dev); +extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev, + DRM_STRUCTPROC *p); +#elif defined(__NetBSD__) || defined(__OpenBSD__) +extern int drm_open_helper(dev_t kdev, int flags, int fmt, + DRM_STRUCTPROC *p, drm_device_t *dev); +extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev, + DRM_STRUCTPROC *p); +#endif /* __NetBSD__ || __OpenBSD__ */ + +/* Memory management support (drm_memory.c) */ +void drm_mem_init(void); +void drm_mem_uninit(void); +void *drm_alloc(size_t size, int area); +void *drm_calloc(size_t nmemb, size_t size, int area); +void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); -extern void DRM(free)(void *pt, size_t size, int area); -extern void *DRM(ioremap)(drm_device_t *dev, drm_local_map_t *map); -extern void DRM(ioremapfree)(drm_local_map_t *map); -extern int DRM(mtrr_add)(unsigned long offset, size_t size, int flags); -extern int DRM(mtrr_del)(unsigned long offset, size_t size, int flags); - -#if __REALLY_HAVE_AGP -extern agp_memory *DRM(alloc_agp)(int pages, u32 type); -extern int DRM(free_agp)(agp_memory *handle, int pages); -extern int DRM(bind_agp)(agp_memory *handle, unsigned int start); -extern int DRM(unbind_agp)(agp_memory *handle); -#endif - -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); - -#if __HAVE_CTX_BITMAP -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 ); -extern int DRM(ctxbitmap_next)( drm_device_t *dev ); -#endif - - /* Locking IOCTL support (drm_lock.h) */ -extern int DRM(lock_take)(__volatile__ unsigned int *lock, +void drm_free(void *pt, size_t size, int area); +void *drm_ioremap(drm_device_t *dev, drm_local_map_t *map); +void drm_ioremapfree(drm_local_map_t *map); +int drm_mtrr_add(unsigned long offset, size_t size, int flags); +int drm_mtrr_del(unsigned long offset, size_t size, int flags); + +int drm_context_switch(drm_device_t *dev, int old, int new); +int drm_context_switch_complete(drm_device_t *dev, int new); + +int drm_ctxbitmap_init(drm_device_t *dev); +void drm_ctxbitmap_cleanup(drm_device_t *dev); +void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); +int drm_ctxbitmap_next(drm_device_t *dev); + +/* Locking IOCTL support (drm_lock.c) */ +int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context); -extern int DRM(lock_transfer)(drm_device_t *dev, +int drm_lock_transfer(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); -extern int DRM(lock_free)(drm_device_t *dev, +int drm_lock_free(drm_device_t *dev, __volatile__ unsigned int *lock, unsigned int context); - /* Buffer management support (drm_bufs.h) */ -extern int DRM(order)( unsigned long size ); - -#if __HAVE_DMA - /* DMA support (drm_dma.h) */ -extern int DRM(dma_setup)(drm_device_t *dev); -extern void DRM(dma_takedown)(drm_device_t *dev); -extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); -extern void DRM(reclaim_buffers)(drm_device_t *dev, DRMFILE filp); -#endif - -#if __HAVE_IRQ - /* IRQ support (drm_irq.h) */ -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 ); -extern void DRM(driver_irq_postinstall)( drm_device_t *dev ); -extern void DRM(driver_irq_uninstall)( drm_device_t *dev ); -#if __HAVE_IRQ_BH -extern void DRM(irq_immediate_bh)( DRM_TASKQUEUE_ARGS ); -#endif -#endif - -#if __HAVE_VBL_IRQ -extern int DRM(vblank_wait)(drm_device_t *dev, unsigned int *vbl_seq); -extern void DRM(vbl_send_signals)( drm_device_t *dev ); -#endif - -#if __REALLY_HAVE_AGP - /* AGP/GART support (drm_agpsupport.h) */ -extern drm_agp_head_t *DRM(agp_init)(void); -extern void DRM(agp_uninit)(void); -extern void DRM(agp_do_release)(void); -extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type); -extern int DRM(agp_free_memory)(agp_memory *handle); -extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start); -extern int DRM(agp_unbind_memory)(agp_memory *handle); -#endif - -#if __HAVE_SG - /* Scatter Gather Support (drm_scatter.h) */ -extern void DRM(sg_cleanup)(drm_sg_mem_t *entry); -#endif - -#if __REALLY_HAVE_SG - /* ATI PCIGART support (ati_pcigart.h) */ -extern int DRM(ati_pcigart_init)(drm_device_t *dev, - unsigned long *addr, - dma_addr_t *bus_addr); -extern int DRM(ati_pcigart_cleanup)(drm_device_t *dev, - unsigned long addr, - dma_addr_t bus_addr); -#endif - -/* Locking IOCTL support (drm_drv.h) */ -extern int DRM(lock)(DRM_IOCTL_ARGS); -extern int DRM(unlock)(DRM_IOCTL_ARGS); -extern int DRM(version)( DRM_IOCTL_ARGS ); -extern int DRM(setversion)( DRM_IOCTL_ARGS ); - -/* Misc. IOCTL support (drm_ioctl.h) */ -extern int DRM(irq_by_busid)(DRM_IOCTL_ARGS); -extern int DRM(getunique)(DRM_IOCTL_ARGS); -extern int DRM(setunique)(DRM_IOCTL_ARGS); -extern int DRM(getmap)(DRM_IOCTL_ARGS); -extern int DRM(getclient)(DRM_IOCTL_ARGS); -extern int DRM(getstats)(DRM_IOCTL_ARGS); -extern int DRM(noop)(DRM_IOCTL_ARGS); - -/* Context IOCTL support (drm_context.h) */ -extern int DRM(resctx)(DRM_IOCTL_ARGS); -extern int DRM(addctx)(DRM_IOCTL_ARGS); -extern int DRM(modctx)(DRM_IOCTL_ARGS); -extern int DRM(getctx)(DRM_IOCTL_ARGS); -extern int DRM(switchctx)(DRM_IOCTL_ARGS); -extern int DRM(newctx)(DRM_IOCTL_ARGS); -extern int DRM(rmctx)(DRM_IOCTL_ARGS); -extern int DRM(setsareactx)(DRM_IOCTL_ARGS); -extern int DRM(getsareactx)(DRM_IOCTL_ARGS); - -/* Drawable IOCTL support (drm_drawable.h) */ -extern int DRM(adddraw)(DRM_IOCTL_ARGS); -extern int DRM(rmdraw)(DRM_IOCTL_ARGS); - -/* Authentication IOCTL support (drm_auth.h) */ -extern int DRM(getmagic)(DRM_IOCTL_ARGS); -extern int DRM(authmagic)(DRM_IOCTL_ARGS); - -/* Buffer management support (drm_bufs.h) */ -extern int DRM(addmap)(DRM_IOCTL_ARGS); -extern int DRM(rmmap)(DRM_IOCTL_ARGS); -#if __HAVE_DMA -extern int DRM(addbufs)(DRM_IOCTL_ARGS); -extern int DRM(infobufs)(DRM_IOCTL_ARGS); -extern int DRM(markbufs)(DRM_IOCTL_ARGS); -extern int DRM(freebufs)(DRM_IOCTL_ARGS); -extern int DRM(mapbufs)(DRM_IOCTL_ARGS); -#endif +/* Buffer management support (drm_bufs.c) */ +unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource); +unsigned long drm_get_resource_len(drm_device_t *dev, unsigned int resource); +int drm_initmap(drm_device_t *dev, unsigned long start, unsigned long len, + unsigned int resource, int type, int flags); +void drm_remove_map(drm_device_t *dev, drm_local_map_t *map); +int drm_order(unsigned long size); + +/* DMA support (drm_dma.c) */ +int drm_dma_setup(drm_device_t *dev); +void drm_dma_takedown(drm_device_t *dev); +void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); +void drm_reclaim_buffers(drm_device_t *dev, DRMFILE filp); + +/* IRQ support (drm_irq.c) */ +int drm_irq_install(drm_device_t *dev); +int drm_irq_uninstall(drm_device_t *dev); +irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); +void drm_driver_irq_preinstall(drm_device_t *dev); +void drm_driver_irq_postinstall(drm_device_t *dev); +void drm_driver_irq_uninstall(drm_device_t *dev); +int drm_vblank_wait(drm_device_t *dev, unsigned int *vbl_seq); +void drm_vbl_send_signals(drm_device_t *dev); + +/* AGP/GART support (drm_agpsupport.c) */ +int drm_device_is_agp(drm_device_t *dev); +drm_agp_head_t *drm_agp_init(void); +void drm_agp_uninit(void); +void drm_agp_do_release(void); +void *drm_agp_allocate_memory(size_t pages, u32 type); +int drm_agp_free_memory(void *handle); +int drm_agp_bind_memory(void *handle, off_t start); +int drm_agp_unbind_memory(void *handle); + +/* Scatter Gather Support (drm_scatter.c) */ +void drm_sg_cleanup(drm_sg_mem_t *entry); -/* IRQ support (drm_irq.h) */ -#if __HAVE_IRQ || __HAVE_DMA -extern int DRM(control)(DRM_IOCTL_ARGS); -#endif -#if __HAVE_VBL_IRQ -extern int DRM(wait_vblank)(DRM_IOCTL_ARGS); -#endif +#ifdef __FreeBSD__ +/* sysctl support (drm_sysctl.h) */ +extern int drm_sysctl_init(drm_device_t *dev); +extern int drm_sysctl_cleanup(drm_device_t *dev); +#endif /* __FreeBSD__ */ + +/* ATI PCIGART support (ati_pcigart.c) */ +int drm_ati_pcigart_init(drm_device_t *dev, unsigned long *addr, + dma_addr_t *bus_addr); +int drm_ati_pcigart_cleanup(drm_device_t *dev, unsigned long addr, + dma_addr_t bus_addr); + +/* Locking IOCTL support (drm_drv.c) */ +int drm_lock(DRM_IOCTL_ARGS); +int drm_unlock(DRM_IOCTL_ARGS); +int drm_version(DRM_IOCTL_ARGS); +int drm_setversion(DRM_IOCTL_ARGS); + +/* Misc. IOCTL support (drm_ioctl.c) */ +int drm_irq_by_busid(DRM_IOCTL_ARGS); +int drm_getunique(DRM_IOCTL_ARGS); +int drm_setunique(DRM_IOCTL_ARGS); +int drm_getmap(DRM_IOCTL_ARGS); +int drm_getclient(DRM_IOCTL_ARGS); +int drm_getstats(DRM_IOCTL_ARGS); +int drm_noop(DRM_IOCTL_ARGS); + +/* Context IOCTL support (drm_context.c) */ +int drm_resctx(DRM_IOCTL_ARGS); +int drm_addctx(DRM_IOCTL_ARGS); +int drm_modctx(DRM_IOCTL_ARGS); +int drm_getctx(DRM_IOCTL_ARGS); +int drm_switchctx(DRM_IOCTL_ARGS); +int drm_newctx(DRM_IOCTL_ARGS); +int drm_rmctx(DRM_IOCTL_ARGS); +int drm_setsareactx(DRM_IOCTL_ARGS); +int drm_getsareactx(DRM_IOCTL_ARGS); + +/* Drawable IOCTL support (drm_drawable.c) */ +int drm_adddraw(DRM_IOCTL_ARGS); +int drm_rmdraw(DRM_IOCTL_ARGS); + +/* Authentication IOCTL support (drm_auth.c) */ +int drm_getmagic(DRM_IOCTL_ARGS); +int drm_authmagic(DRM_IOCTL_ARGS); + +/* Buffer management support (drm_bufs.c) */ +int drm_addmap(DRM_IOCTL_ARGS); +int drm_rmmap(DRM_IOCTL_ARGS); +int drm_addbufs(DRM_IOCTL_ARGS); +int drm_infobufs(DRM_IOCTL_ARGS); +int drm_markbufs(DRM_IOCTL_ARGS); +int drm_freebufs(DRM_IOCTL_ARGS); +int drm_mapbufs(DRM_IOCTL_ARGS); + +/* DMA support (drm_dma.c) */ +int drm_dma(DRM_IOCTL_ARGS); + +/* IRQ support (drm_irq.c) */ +int drm_control(DRM_IOCTL_ARGS); +int drm_wait_vblank(DRM_IOCTL_ARGS); + +/* AGP/GART support (drm_agpsupport.c) */ +int drm_agp_acquire(DRM_IOCTL_ARGS); +int drm_agp_release(DRM_IOCTL_ARGS); +int drm_agp_enable(DRM_IOCTL_ARGS); +int drm_agp_info(DRM_IOCTL_ARGS); +int drm_agp_alloc(DRM_IOCTL_ARGS); +int drm_agp_free(DRM_IOCTL_ARGS); +int drm_agp_unbind(DRM_IOCTL_ARGS); +int drm_agp_bind(DRM_IOCTL_ARGS); + +/* Scatter Gather Support (drm_scatter.c) */ +int drm_sg_alloc(DRM_IOCTL_ARGS); +int drm_sg_free(DRM_IOCTL_ARGS); + +/* consistent PCI memory functions (drm_pci.c) */ +void *drm_pci_alloc(drm_device_t *dev, size_t size, size_t align, + dma_addr_t maxaddr, dma_addr_t *busaddr); +void drm_pci_free(drm_device_t *dev, size_t size, void *vaddr, + dma_addr_t busaddr); + +/* Inline replacements for DRM_IOREMAP macros */ +static __inline__ void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) +{ + map->handle = drm_ioremap(dev, map); +} +static __inline__ void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) +{ + if ( map->handle && map->size ) + drm_ioremapfree(map); +} -/* AGP/GART support (drm_agpsupport.h) */ -#if __REALLY_HAVE_AGP -extern int DRM(agp_acquire)(DRM_IOCTL_ARGS); -extern int DRM(agp_release)(DRM_IOCTL_ARGS); -extern int DRM(agp_enable)(DRM_IOCTL_ARGS); -extern int DRM(agp_info)(DRM_IOCTL_ARGS); -extern int DRM(agp_alloc)(DRM_IOCTL_ARGS); -extern int DRM(agp_free)(DRM_IOCTL_ARGS); -extern int DRM(agp_unbind)(DRM_IOCTL_ARGS); -extern int DRM(agp_bind)(DRM_IOCTL_ARGS); -#endif +static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, unsigned long offset) +{ + drm_local_map_t *map; -/* Scatter Gather Support (drm_scatter.h) */ -#if __HAVE_SG -extern int DRM(sg_alloc)(DRM_IOCTL_ARGS); -extern int DRM(sg_free)(DRM_IOCTL_ARGS); -#endif + DRM_SPINLOCK_ASSERT(&dev->dev_lock); + TAILQ_FOREACH(map, &dev->maplist, link) { + if (map->offset == offset) + return map; + } + return NULL; +} -/* consistent PCI memory functions (drm_pci.h) */ -extern void *DRM(pci_alloc)(drm_device_t *dev, size_t size, - size_t align, dma_addr_t maxaddr, - dma_addr_t *busaddr); -extern void DRM(pci_free)(drm_device_t *dev, size_t size, - void *vaddr, dma_addr_t busaddr); +static __inline__ void drm_core_dropmap(struct drm_map *map) +{ +} #endif /* __KERNEL__ */ #endif /* _DRM_P_H_ */ |
