Import of XFree86 4.2.0

1 files changed, 375 insertions, 0 deletions

diff --git a/bsd/drm_os_freebsd.h b/bsd/drm_os_freebsd.h
new file mode 100644
index 00000000..72c5baf6
--- /dev/null
+++ b/bsd/drm_os_freebsd.h
@@ -0,0 +1,375 @@
+#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
+
+#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, MTX_DEF)
+#define DRM_OS_SPINLOCK(l)	mtx_lock(l)
+#define DRM_OS_SPINUNLOCK(u)	mtx_unlock(u);
+#define DRM_OS_LOCK	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curthread)
+#define DRM_OS_UNLOCK 	lockmgr(&dev->dev_lock, LK_RELEASE, 0, curthread)
+#define DRM_OS_CURPROC		curthread
+#define DRM_OS_STRUCTPROC	struct thread
+#define DRM_OS_CURRENTPID       curthread->td_proc->p_pid
+#define DRM_OS_IOCTL 		dev_t kdev, u_long cmd, caddr_t data, int flags, struct thread *p
+#define DRM_OS_CHECKSUSER	suser(p->td_proc)
+#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_IOCTL		dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p
+#define DRM_OS_LOCK	lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc)
+#define DRM_OS_UNLOCK 	lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc)
+#define DRM_OS_CURRENTPID       curproc->p_pid
+#define DRM_OS_CHECKSUSER	suser(p)
+#endif
+
+#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);