diff options
author | anholt <anholt@FreeBSD.org> | 2002-04-27 20:47:57 +0000 |
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committer | anholt <anholt@FreeBSD.org> | 2002-04-27 20:47:57 +0000 |
commit | 682fe32ace5d21d6e0400fcfc7426bc6ae04c124 (patch) | |
tree | 2e73a21383876a4e751630f3059c8690aecfb78a /sys/dev/drm/drm_os_freebsd.h | |
parent | 6818945234fbb5686fb3e963d4f172c2c44fdbf1 (diff) | |
download | FreeBSD-src-682fe32ace5d21d6e0400fcfc7426bc6ae04c124.zip FreeBSD-src-682fe32ace5d21d6e0400fcfc7426bc6ae04c124.tar.gz |
Add the code for the DRM, based on the code from the drm-kmod port.
This is not hooked up yet, that will come later.
Approved by: des
Diffstat (limited to 'sys/dev/drm/drm_os_freebsd.h')
-rw-r--r-- | sys/dev/drm/drm_os_freebsd.h | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/sys/dev/drm/drm_os_freebsd.h b/sys/dev/drm/drm_os_freebsd.h new file mode 100644 index 0000000..5c2483a --- /dev/null +++ b/sys/dev/drm/drm_os_freebsd.h @@ -0,0 +1,382 @@ +/* + * $FreeBSD$ + */ + +#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/select.h> +#include <vm/vm.h> +#include <vm/pmap.h> +#include <machine/pmap.h> +#if __FreeBSD_version >= 500000 +#include <sys/selinfo.h> +#endif +#include <sys/bus.h> +#if __FreeBSD_version >= 400005 +#include <sys/taskqueue.h> +#endif +#if __FreeBSD_version >= 500000 +#include <sys/mutex.h> +#endif + +#if __FreeBSD_version >= 400006 +#define __REALLY_HAVE_AGP __HAVE_AGP +#endif + +#define __REALLY_HAVE_MTRR 0 +#define __REALLY_HAVE_SG 0 + +#if __REALLY_HAVE_AGP +#include <pci/agpvar.h> +#endif + +/* Allow setting of debug code enabling from kernel config file */ +#include <opt_drm.h> +#if DRM_DEBUG +#undef DRM_DEBUG_CODE +#define DRM_DEBUG_CODE 2 +#endif +#undef DRM_DEBUG + +#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ + +#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) +#define DRM_DEV_UID 0 +#define DRM_DEV_GID 0 + +#if __FreeBSD_version >= 500000 +#define DRM_OS_SPINTYPE struct mtx +#define DRM_OS_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF) +#define DRM_OS_SPINLOCK(l) mtx_lock(l) +#define DRM_OS_SPINUNLOCK(u) mtx_unlock(u); +#define DRM_OS_CURPROC curthread +#define DRM_OS_STRUCTPROC struct thread +#define DRM_OS_CURRENTPID curthread->td_proc->p_pid +#else +#define DRM_OS_CURPROC curproc +#define DRM_OS_STRUCTPROC struct proc +#define DRM_OS_SPINTYPE struct simplelock +#define DRM_OS_SPININIT(l,name) simple_lock_init(&l) +#define DRM_OS_SPINLOCK(l) simple_lock(l) +#define DRM_OS_SPINUNLOCK(u) simple_unlock(u); +#define DRM_OS_CURRENTPID curproc->p_pid +#endif + +#define DRM_OS_IOCTL dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_OS_STRUCTPROC *p +#define DRM_OS_LOCK lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, DRM_OS_CURPROC) +#define DRM_OS_UNLOCK lockmgr(&dev->dev_lock, LK_RELEASE, 0, DRM_OS_CURPROC) +#define DRM_OS_CHECKSUSER suser(p) +#define DRM_OS_TASKQUEUE_ARGS void *dev, int pending +#define DRM_OS_IRQ_ARGS void *device +#define DRM_OS_DEVICE drm_device_t *dev = kdev->si_drv1 +#define DRM_OS_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT ) +#define DRM_OS_FREE(pt) free( pt, DRM(M_DRM) ) +#define DRM_OS_VTOPHYS(addr) vtophys(addr) + +#define DRM_OS_PRIV \ + drm_file_t *priv = (drm_file_t *) DRM(find_file_by_proc)(dev, p); \ + if (!priv) { \ + DRM_DEBUG("can't find authenticator\n"); \ + return EINVAL; \ + } + +#define DRM_OS_DELAY( udelay ) \ +do { \ + struct timeval tv1, tv2; \ + microtime(&tv1); \ + do { \ + microtime(&tv2); \ + } \ + while (((tv2.tv_sec-tv1.tv_sec)*1000000 + tv2.tv_usec - tv1.tv_usec) < udelay ); \ +} while (0) + +#define DRM_OS_RETURN(v) return v; + + +#define DRM_OS_KRNTOUSR(arg1, arg2, arg3) \ + *arg1 = arg2 +#define DRM_OS_KRNFROMUSR(arg1, arg2, arg3) \ + arg1 = *arg2 +#define DRM_OS_COPYTOUSR(arg1, arg2, arg3) \ + copyout(arg2, arg1, arg3) +#define DRM_OS_COPYFROMUSR(arg1, arg2, arg3) \ + copyin(arg2, arg1, arg3) + +#define DRM_OS_READMEMORYBARRIER \ +{ \ + int xchangeDummy; \ + DRM_DEBUG("%s\n", __FUNCTION__); \ + __asm__ volatile(" push %%eax ; xchg %%eax, %0 ; pop %%eax" : : "m" (xchangeDummy)); \ + __asm__ volatile(" push %%eax ; push %%ebx ; push %%ecx ; push %%edx ;" \ + " movl $0,%%eax ; cpuid ; pop %%edx ; pop %%ecx ; pop %%ebx ;" \ + " pop %%eax" : /* no outputs */ : /* no inputs */ ); \ +} while (0); + +#define DRM_OS_WRITEMEMORYBARRIER DRM_OS_READMEMORYBARRIER + +#define DRM_OS_WAKEUP(w) wakeup(w) +#define DRM_OS_WAKEUP_INT(w) wakeup(w) + +#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) + +#define malloctype DRM(M_DRM) +/* The macros confliced in the MALLOC_DEFINE */ +MALLOC_DECLARE(malloctype); +#undef malloctype + +typedef struct drm_chipinfo +{ + int vendor; + int device; + int supported; + char *name; +} drm_chipinfo_t; + +typedef unsigned long atomic_t; +typedef u_int32_t cycles_t; +typedef u_int32_t spinlock_t; +typedef u_int32_t u32; +typedef u_int16_t u16; +typedef u_int8_t u8; +#define atomic_set(p, v) (*(p) = (v)) +#define atomic_read(p) (*(p)) +#define atomic_inc(p) atomic_add_long(p, 1) +#define atomic_dec(p) atomic_subtract_long(p, 1) +#define atomic_add(n, p) atomic_add_long(p, n) +#define atomic_sub(n, p) atomic_subtract_long(p, n) + +/* Fake this */ +static __inline unsigned int +test_and_set_bit(int b, volatile unsigned long *p) +{ + int s = splhigh(); + unsigned int m = 1<<b; + unsigned int r = *p & m; + *p |= m; + splx(s); + return r; +} + +static __inline void +clear_bit(int b, volatile unsigned long *p) +{ + atomic_clear_long(p + (b >> 5), 1 << (b & 0x1f)); +} + +static __inline void +set_bit(int b, volatile unsigned long *p) +{ + atomic_set_long(p + (b >> 5), 1 << (b & 0x1f)); +} + +static __inline int +test_bit(int b, volatile unsigned long *p) +{ + return p[b >> 5] & (1 << (b & 0x1f)); +} + +static __inline int +find_first_zero_bit(volatile unsigned long *p, int max) +{ + int b; + + for (b = 0; b < max; b += 32) { + if (p[b >> 5] != ~0) { + for (;;) { + if ((p[b >> 5] & (1 << (b & 0x1f))) == 0) + return b; + b++; + } + } + } + return max; +} + +#define spldrm() spltty() + +#define memset(p, v, s) bzero(p, s) + +/* + * Fake out the module macros for versions of FreeBSD where they don't + * exist. + */ +#if (__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000 +/* FIXME: again, what's the exact date? */ +#define MODULE_VERSION(a,b) struct __hack +#define MODULE_DEPEND(a,b,c,d,e) struct __hack + +#endif + +#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock) +#define _DRM_CAS(lock,old,new,__ret) \ + do { \ + int __dummy; /* Can't mark eax as clobbered */ \ + __asm__ __volatile__( \ + "lock ; cmpxchg %4,%1\n\t" \ + "setnz %0" \ + : "=d" (__ret), \ + "=m" (__drm_dummy_lock(lock)), \ + "=a" (__dummy) \ + : "2" (old), \ + "r" (new)); \ + } while (0) + +/* Redefinitions to make templating easy */ +#define wait_queue_head_t long +#define agp_memory void +#define jiffies ticks + + /* Macros to make printf easier */ +#define DRM_ERROR(fmt, arg...) \ + printf("error: " "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg) +#define DRM_MEM_ERROR(area, fmt, arg...) \ + printf("error: " "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \ + DRM(mem_stats)[area].name , ##arg) +#define DRM_INFO(fmt, arg...) printf("info: " "[" DRM_NAME "] " fmt , ##arg) + +#if DRM_DEBUG_CODE +#define DRM_DEBUG(fmt, arg...) \ + do { \ + if (DRM(flags) & DRM_FLAG_DEBUG) \ + printf("[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ + ##arg); \ + } while (0) +#else +#define DRM_DEBUG(fmt, arg...) do { } while (0) +#endif + +#define DRM_PROC_LIMIT (PAGE_SIZE-80) + +#if (__FreeBSD_version >= 500000) || ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002)) +#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) +#else +#define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS +#endif + +#define DRM_SYSCTL_PRINT(fmt, arg...) \ + snprintf(buf, sizeof(buf), fmt, ##arg); \ + error = SYSCTL_OUT(req, buf, strlen(buf)); \ + if (error) return error; + +#define DRM_SYSCTL_PRINT_RET(ret, fmt, arg...) \ + snprintf(buf, sizeof(buf), fmt, ##arg); \ + error = SYSCTL_OUT(req, buf, strlen(buf)); \ + if (error) { ret; return error; } + + +#define DRM_FIND_MAP(dest, o) \ + do { \ + drm_map_list_entry_t *listentry; \ + TAILQ_FOREACH(listentry, dev->maplist, link) { \ + if ( listentry->map->offset == o ) { \ + dest = listentry->map; \ + break; \ + } \ + } \ + } while (0) + + +/* Internal functions */ + +/* drm_drv.h */ +extern d_ioctl_t DRM(ioctl); +extern d_ioctl_t DRM(lock); +extern d_ioctl_t DRM(unlock); +extern d_open_t DRM(open); +extern d_close_t DRM(close); +extern d_read_t DRM(read); +extern d_write_t DRM(write); +extern d_poll_t DRM(poll); +extern d_mmap_t DRM(mmap); +extern int DRM(open_helper)(dev_t kdev, int flags, int fmt, + DRM_OS_STRUCTPROC *p, drm_device_t *dev); +extern drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev, + DRM_OS_STRUCTPROC *p); + +/* Misc. IOCTL support (drm_ioctl.h) */ +extern d_ioctl_t DRM(irq_busid); +extern d_ioctl_t DRM(getunique); +extern d_ioctl_t DRM(setunique); +extern d_ioctl_t DRM(getmap); +extern d_ioctl_t DRM(getclient); +extern d_ioctl_t DRM(getstats); + +/* Context IOCTL support (drm_context.h) */ +extern d_ioctl_t DRM(resctx); +extern d_ioctl_t DRM(addctx); +extern d_ioctl_t DRM(modctx); +extern d_ioctl_t DRM(getctx); +extern d_ioctl_t DRM(switchctx); +extern d_ioctl_t DRM(newctx); +extern d_ioctl_t DRM(rmctx); +extern d_ioctl_t DRM(setsareactx); +extern d_ioctl_t DRM(getsareactx); + +/* Drawable IOCTL support (drm_drawable.h) */ +extern d_ioctl_t DRM(adddraw); +extern d_ioctl_t DRM(rmdraw); + +/* Authentication IOCTL support (drm_auth.h) */ +extern d_ioctl_t DRM(getmagic); +extern d_ioctl_t DRM(authmagic); + +/* Locking IOCTL support (drm_lock.h) */ +extern d_ioctl_t DRM(block); +extern d_ioctl_t DRM(unblock); +extern d_ioctl_t DRM(finish); + +/* Buffer management support (drm_bufs.h) */ +extern d_ioctl_t DRM(addmap); +extern d_ioctl_t DRM(rmmap); +#if __HAVE_DMA +extern d_ioctl_t DRM(addbufs_agp); +extern d_ioctl_t DRM(addbufs_pci); +extern d_ioctl_t DRM(addbufs_sg); +extern d_ioctl_t DRM(addbufs); +extern d_ioctl_t DRM(infobufs); +extern d_ioctl_t DRM(markbufs); +extern d_ioctl_t DRM(freebufs); +extern d_ioctl_t DRM(mapbufs); +#endif + +/* Memory management support (drm_memory.h) */ +extern int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS; + +/* DMA support (drm_dma.h) */ +#if __HAVE_DMA_IRQ +extern d_ioctl_t DRM(control); +#endif + +/* AGP/GART support (drm_agpsupport.h) */ +#if __REALLY_HAVE_AGP +extern d_ioctl_t DRM(agp_acquire); +extern d_ioctl_t DRM(agp_release); +extern d_ioctl_t DRM(agp_enable); +extern d_ioctl_t DRM(agp_info); +extern d_ioctl_t DRM(agp_alloc); +extern d_ioctl_t DRM(agp_free); +extern d_ioctl_t DRM(agp_unbind); +extern d_ioctl_t DRM(agp_bind); +#endif + +/* Scatter Gather Support (drm_scatter.h) */ +#if __HAVE_SG +extern d_ioctl_t DRM(sg_alloc); +extern d_ioctl_t DRM(sg_free); +#endif + +/* SysCtl Support (drm_sysctl.h) */ +extern int DRM(sysctl_init)(drm_device_t *dev); +extern int DRM(sysctl_cleanup)(drm_device_t *dev); |