Merge trunk - 4.3.0, filpmach64-0-0-6-20030330

1 files changed, 67 insertions, 115 deletions

diff --git a/bsd/drm_os_freebsd.h b/bsd/drm_os_freebsd.h
index 1a3feb6e..30a6e362 100644
--- a/bsd/drm_os_freebsd.h
+++ b/bsd/drm_os_freebsd.h
@@ -1,3 +1,6 @@
+/*
+ * $FreeBSD: src/sys/dev/drm/drm_os_freebsd.h,v 1.8 2003/03/09 02:08:28 anholt Exp $
+ */
 #include <sys/param.h>
 #include <sys/queue.h>
 #include <sys/malloc.h>
@@ -45,7 +48,11 @@
 #define __REALLY_HAVE_AGP	__HAVE_AGP
 #endif
 
+#ifdef __i386__
 #define __REALLY_HAVE_MTRR	(__HAVE_MTRR)
+#else
+#define __REALLY_HAVE_MTRR	0
+#endif
 #define __REALLY_HAVE_SG	(__HAVE_SG)
 
 #if __REALLY_HAVE_AGP
@@ -79,6 +86,7 @@
 #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_CURRENTPID		curthread->td_proc->p_pid
@@ -87,12 +95,17 @@
 #define DRM_STRUCTPROC		struct proc
 #define DRM_SPINTYPE		struct simplelock
 #define DRM_SPININIT(l,name)	simple_lock_init(&l)
+#define DRM_SPINUNINIT(l)
 #define DRM_SPINLOCK(l)		simple_lock(l)
 #define DRM_SPINUNLOCK(u)	simple_unlock(u);
 #define DRM_CURRENTPID		curproc->p_pid
 #endif
 
-#define DRM_IOCTL_ARGS		dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p
+/* 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_IOCTL_ARGS		dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p, DRMFILE filp
 #define DRM_LOCK		lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, DRM_CURPROC)
 #define DRM_UNLOCK 		lockmgr(&dev->dev_lock, LK_RELEASE, 0, DRM_CURPROC)
 #define DRM_SUSER(p)		suser(p)
@@ -100,12 +113,20 @@
 #define DRM_IRQ_ARGS		void *arg
 #define DRM_DEVICE		drm_device_t	*dev	= kdev->si_drv1
 #define DRM_MALLOC(size)	malloc( size, DRM(M_DRM), M_NOWAIT )
-#define DRM_FREE(pt)		free( pt, DRM(M_DRM) )
+#define DRM_FREE(pt,size)		free( pt, DRM(M_DRM) )
 #define DRM_VTOPHYS(addr)	vtophys(addr)
-#define DRM_READ8(addr)		*((volatile char *)(addr))
-#define DRM_READ32(addr)	*((volatile long *)(addr))
-#define DRM_WRITE8(addr, val)	*((volatile char *)(addr)) = (val)
-#define DRM_WRITE32(addr, val)	*((volatile long *)(addr)) = (val)
+
+/* Read/write from bus space, with byteswapping to le if necessary */
+#define DRM_READ8(map, offset)		*(volatile u_int8_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_WRITE32(map, offset, val)	*(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val
+/*
+#define DRM_READ8(map, offset)		bus_space_read_1(  (map)->iot, (map)->ioh, (offset) )
+#define DRM_READ32(map, offset)		bus_space_read_4(  (map)->iot, (map)->ioh, (offset) )
+#define DRM_WRITE8(map, offset, val)	bus_space_write_1( (map)->iot, (map)->ioh, (offset), (val) )
+#define DRM_WRITE32(map, offset, val)	bus_space_write_4( (map)->iot, (map)->ioh, (offset), (val) )
+*/
 #define DRM_AGP_FIND_DEVICE()	agp_find_device()
 #define DRM_ERR(v)		v
 
@@ -116,6 +137,16 @@
 		return EINVAL;					\
 	}
 
+#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_UDELAY( udelay )					\
 do {								\
 	struct timeval tv1, tv2;				\
@@ -130,7 +161,7 @@ do {								\
 do {								\
 	drm_map_list_entry_t *listentry;			\
 	TAILQ_FOREACH(listentry, dev->maplist, link) {		\
-		drm_map_t *map = listentry->map;		\
+		drm_local_map_t *map = listentry->map;		\
 		if (map->type == _DRM_SHM &&			\
 			map->flags & _DRM_CONTAINS_LOCK) {	\
 			dev_priv->sarea = map;			\
@@ -166,7 +197,7 @@ while (!condition) {							\
 	copyin(user, kern, size)
 /* Macros for userspace access with checking readability once */
 /* FIXME: can't find equivalent functionality for nocheck yet.
- * It's be slower than linux, but should be correct.
+ * It'll be slower than linux, but should be correct.
  */
 #define DRM_VERIFYAREA_READ( uaddr, size )		\
 	(!useracc((caddr_t)uaddr, size, VM_PROT_READ))
@@ -175,20 +206,13 @@ while (!condition) {							\
 #define DRM_GET_USER_UNCHECKED(val, uaddr)			\
 	((val) = fuword(uaddr), 0)
 
-/* From machine/bus_at386.h on i386 */
-#define DRM_READMEMORYBARRIER()					\
-do {									\
-   	__asm __volatile("lock; addl $0,0(%%esp)" : : : "memory");	\
-} while (0)
-
-#define DRM_WRITEMEMORYBARRIER()					\
-do {									\
-   	__asm __volatile("" : : : "memory");				\
-} while (0)
-
+#define DRM_WRITEMEMORYBARRIER( map )					\
+	bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, 0);
+#define DRM_READMEMORYBARRIER( map )					\
+	bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, BUS_SPACE_BARRIER_READ);
 
 #define PAGE_ALIGN(addr) round_page(addr)
- 
+
 #ifndef M_WAITOK		/* M_WAITOK (=0) name removed in -current */
 #define M_WAITOK 0
 #endif
@@ -206,12 +230,11 @@ typedef struct drm_chipinfo
 	char *name;
 } drm_chipinfo_t;
 
-#define cpu_to_le32(x) (x)
+#define cpu_to_le32(x) (x)	/* FIXME */
 
-typedef u_int32_t dma_addr_t;
+typedef unsigned long dma_addr_t;
 typedef u_int32_t 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;
@@ -223,6 +246,23 @@ typedef u_int8_t u8;
 #define atomic_sub(n, p)	atomic_subtract_int(p, n)
 
 /* Fake this */
+
+#if __FreeBSD_version < 500000
+/* The extra atomic functions from 5.0 haven't been merged to 4.x */
+static __inline int
+atomic_cmpset_int(volatile int *dst, int old, int new)
+{
+	int s = splhigh();
+	if (*dst==old) {
+		*dst = new;
+		splx(s);
+		return 1;
+	}
+	splx(s);
+	return 0;
+}
+#endif
+
 static __inline atomic_t
 test_and_set_bit(int b, volatile void *p)
 {
@@ -284,20 +324,6 @@ find_first_zero_bit(volatile void *p, int max)
 
 #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	atomic_t
 #define agp_memory		void
@@ -356,8 +382,6 @@ find_first_zero_bit(volatile void *p, int max)
 
 /* 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);
@@ -369,81 +393,9 @@ extern int		DRM(open_helper)(dev_t kdev, int flags, int fmt,
 extern drm_file_t	*DRM(find_file_by_proc)(drm_device_t *dev, 
 					 DRM_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
-extern d_ioctl_t	DRM(control);
-#endif
-#if __HAVE_VBL_IRQ
-extern d_ioctl_t	DRM(wait_vblank);
-#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) */
+/* sysctl support (drm_sysctl.h) */
 extern int		DRM(sysctl_init)(drm_device_t *dev);
 extern int		DRM(sysctl_cleanup)(drm_device_t *dev);
+
+/* Memory info sysctl (drm_memory.h) */
+extern int		DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS;