2 * $FreeBSD: src/sys/dev/drm/drm_os_freebsd.h,v 1.10.2.1 2003/04/26 07:05:28 anholt Exp $
3 * $DragonFly: src/sys/dev/drm/Attic/drm_os_freebsd.h,v 1.11 2004/08/15 14:15:00 joerg Exp $
7 #include <sys/malloc.h>
8 #include <sys/kernel.h>
9 #include <sys/module.h>
10 #include <sys/systm.h>
15 #include <sys/fcntl.h>
17 #include <sys/filio.h>
18 #include <sys/sysctl.h>
20 #include <sys/signalvar.h>
24 #include <vm/vm_extern.h>
25 #include <vm/vm_map.h>
26 #include <vm/vm_param.h>
27 #include <machine/param.h>
28 #include <machine/pmap.h>
29 #include <machine/bus.h>
30 #include <machine/resource.h>
33 #include <sys/memrange.h>
34 #include <bus/pci/pcivar.h>
35 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
36 #include <sys/selinfo.h>
38 #include <sys/select.h>
41 #if defined(__DragonFly__) || __FreeBSD_version >= 400005
42 #include <sys/taskqueue.h>
44 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
45 #include <sys/mutex.h>
48 #if defined(__DragonFly__) || __FreeBSD_version >= 400006
49 #define __REALLY_HAVE_AGP __HAVE_AGP
53 #define __REALLY_HAVE_MTRR ((__HAVE_MTRR) && defined(__FreeBSD__) && __FreeBSD_version >= 500000)
55 #define __REALLY_HAVE_MTRR 0
57 #define __REALLY_HAVE_SG (__HAVE_SG)
60 #include <dev/agp/agpvar.h>
61 #include <sys/agpio.h>
67 #define DRM_DEBUG_CODE 2
74 #include <emulation/linux/i386/linux.h>
75 #include <emulation/linux/i386/linux_proto.h>
78 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
80 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
83 #define CDEV_MAJOR 145
85 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
86 #define DRM_CURPROC curthread
87 #define DRM_STRUCTPROC struct thread
88 #define DRM_SPINTYPE struct mtx
89 #define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF)
90 #define DRM_SPINUNINIT(l) mtx_destroy(&l)
91 #define DRM_SPINLOCK(l) mtx_lock(l)
92 #define DRM_SPINUNLOCK(u) mtx_unlock(u);
93 #define DRM_CURRENTPID curthread->td_proc->p_pid
95 #define DRM_CURPROC curthread
96 #define DRM_STRUCTPROC struct thread
97 #define DRM_SPINTYPE struct lwkt_rwlock
98 #define DRM_SPININIT(l,name) lwkt_rwlock_init(&l)
99 #define DRM_SPINUNINIT(l)
100 #define DRM_SPINLOCK(l) lwkt_exlock(l, "drm")
101 #define DRM_SPINUNLOCK(u) lwkt_exunlock(u);
102 #define DRM_CURRENTPID curthread->td_proc->p_pid
105 /* Currently our DRMFILE (filp) is a void * which is actually the pid
106 * of the current process. It should be a per-open unique pointer, but
107 * code for that is not yet written */
108 #define DRMFILE void *
109 #define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p, DRMFILE filp
110 #define DRM_LOCK lockmgr(&dev->dev_lock, LK_EXCLUSIVE, NULL, DRM_CURPROC)
111 #define DRM_UNLOCK lockmgr(&dev->dev_lock, LK_RELEASE, NULL, DRM_CURPROC)
112 #define DRM_SUSER(td) suser(td)
113 #define DRM_TASKQUEUE_ARGS void *arg, int pending
114 #define DRM_IRQ_ARGS void *arg
115 #define DRM_DEVICE drm_device_t *dev = kdev->si_drv1
116 #define DRM_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT )
117 #define DRM_FREE(pt,size) free( pt, DRM(M_DRM) )
118 #define DRM_VTOPHYS(addr) vtophys(addr)
120 /* Read/write from bus space, with byteswapping to le if necessary */
121 #define DRM_READ8(map, offset) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset))
122 #define DRM_READ32(map, offset) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset))
123 #define DRM_WRITE8(map, offset, val) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val
124 #define DRM_WRITE32(map, offset, val) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val
126 #define DRM_READ8(map, offset) bus_space_read_1( (map)->iot, (map)->ioh, (offset) )
127 #define DRM_READ32(map, offset) bus_space_read_4( (map)->iot, (map)->ioh, (offset) )
128 #define DRM_WRITE8(map, offset, val) bus_space_write_1( (map)->iot, (map)->ioh, (offset), (val) )
129 #define DRM_WRITE32(map, offset, val) bus_space_write_4( (map)->iot, (map)->ioh, (offset), (val) )
131 #define DRM_AGP_FIND_DEVICE() agp_find_device()
135 drm_file_t *priv = (drm_file_t *) DRM(find_file_by_proc)(dev, p); \
137 DRM_DEBUG("can't find authenticator\n"); \
141 #define LOCK_TEST_WITH_RETURN(dev, filp) \
143 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
144 dev->lock.filp != filp) { \
145 DRM_ERROR("%s called without lock held\n", \
151 #define DRM_UDELAY( udelay ) \
153 struct timeval tv1, tv2; \
158 while (((tv2.tv_sec-tv1.tv_sec)*1000000 + tv2.tv_usec - tv1.tv_usec) < udelay ); \
161 #define DRM_GETSAREA() \
163 drm_map_list_entry_t *listentry; \
164 TAILQ_FOREACH(listentry, dev->maplist, link) { \
165 drm_local_map_t *map = listentry->map; \
166 if (map->type == _DRM_SHM && \
167 map->flags & _DRM_CONTAINS_LOCK) { \
168 dev_priv->sarea = map; \
176 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
177 while (!condition) { \
178 ret = tsleep( &(queue), PCATCH, "drmwtq", (timeout) ); \
183 #define DRM_WAKEUP( queue ) wakeup( queue )
184 #define DRM_WAKEUP_INT( queue ) wakeup( queue )
185 #define DRM_INIT_WAITQUEUE( queue ) do {} while (0)
187 #define DRM_COPY_TO_USER_IOCTL(user, kern, size) \
188 if ( IOCPARM_LEN(cmd) != size) \
191 #define DRM_COPY_FROM_USER_IOCTL(kern, user, size) \
192 if ( IOCPARM_LEN(cmd) != size) \
195 #define DRM_COPY_TO_USER(user, kern, size) \
196 copyout(kern, user, size)
197 #define DRM_COPY_FROM_USER(kern, user, size) \
198 copyin(user, kern, size)
199 /* Macros for userspace access with checking readability once */
200 /* FIXME: can't find equivalent functionality for nocheck yet.
201 * It'll be slower than linux, but should be correct.
203 #define DRM_VERIFYAREA_READ( uaddr, size ) \
204 (!useracc((caddr_t)uaddr, size, VM_PROT_READ))
205 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
206 copyin(arg2, arg1, arg3)
207 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
208 ((val) = fuword(uaddr), 0)
210 #define DRM_WRITEMEMORYBARRIER( map ) \
211 bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, 0);
212 #define DRM_READMEMORYBARRIER( map ) \
213 bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, BUS_SPACE_BARRIER_READ);
215 #define PAGE_ALIGN(addr) round_page(addr)
217 #ifndef M_WAITOK /* M_WAITOK (=0) name removed in -current */
221 #define malloctype DRM(M_DRM)
222 /* The macros conflicted in the MALLOC_DEFINE */
223 MALLOC_DECLARE(malloctype);
226 typedef struct drm_chipinfo
234 #define cpu_to_le32(x) (x) /* FIXME */
236 typedef unsigned long dma_addr_t;
237 typedef u_int32_t atomic_t;
238 typedef u_int32_t u32;
239 typedef u_int16_t u16;
241 #define atomic_set(p, v) (*(p) = (v))
242 #define atomic_read(p) (*(p))
243 #define atomic_inc(p) atomic_add_int(p, 1)
244 #define atomic_dec(p) atomic_subtract_int(p, 1)
245 #define atomic_add(n, p) atomic_add_int(p, n)
246 #define atomic_sub(n, p) atomic_subtract_int(p, n)
250 #if defined(__DragonFly__) || __FreeBSD_version < 500000
251 /* The extra atomic functions from 5.0 haven't been merged to 4.x */
253 atomic_cmpset_int(volatile u_int *dst, u_int exp, u_int src)
263 "# atomic_cmpset_int"
264 : "+a" (res) /* 0 (result) */
273 static __inline atomic_t
274 test_and_set_bit(int b, volatile void *p)
277 unsigned int m = 1<<b;
278 unsigned int r = *(volatile int *)p & m;
279 *(volatile int *)p |= m;
285 clear_bit(int b, volatile void *p)
287 atomic_clear_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
291 set_bit(int b, volatile void *p)
293 atomic_set_int(((volatile int *)p) + (b >> 5), 1 << (b & 0x1f));
297 test_bit(int b, volatile void *p)
299 return ((volatile int *)p)[b >> 5] & (1 << (b & 0x1f));
303 find_first_zero_bit(volatile void *p, int max)
307 for (b = 0; b < max; b += 32) {
308 if (((volatile int *)p)[b >> 5] != ~0) {
310 if ((((volatile int *)p)[b >> 5] & (1 << (b & 0x1f))) == 0)
319 #define spldrm() spltty()
321 #define memset(p, v, s) bzero(p, s)
324 * Fake out the module macros for versions of FreeBSD where they don't
327 #if defined(__FreeBSD__) && ((__FreeBSD_version < 500002 && __FreeBSD_version > 500000) || __FreeBSD_version < 420000)
328 #define MODULE_VERSION(a,b) struct __hack
329 #define MODULE_DEPEND(a,b,c,d,e) struct __hack
332 /* Redefinitions to make templating easy */
333 #define wait_queue_head_t atomic_t
334 #define agp_memory void
335 #define jiffies ticks
337 /* Macros to make printf easier */
338 #define DRM_ERROR(fmt, arg...) \
339 printf("error: " "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ## arg)
340 #define DRM_MEM_ERROR(area, fmt, arg...) \
341 printf("error: " "[" DRM_NAME ":%s:%s] *ERROR* " fmt , \
342 __func__, DRM(mem_stats)[area].name , ##arg)
343 #define DRM_INFO(fmt, arg...) printf("info: " "[" DRM_NAME "] " fmt , ## arg)
346 #define DRM_DEBUG(fmt, arg...) \
348 if (DRM(flags) & DRM_FLAG_DEBUG) \
349 printf("[" DRM_NAME ":%s] " fmt , __func__ , ## arg); \
352 #define DRM_DEBUG(fmt, arg...) do { } while (0)
355 #if (__FreeBSD_version >= 500000) || \
356 ((__FreeBSD_version < 500000) && (__FreeBSD_version >= 410002)) || \
357 defined(__DragonFly__)
358 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
360 #define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS
363 #define DRM_SYSCTL_PRINT(fmt, arg...) \
364 snprintf(buf, sizeof(buf), fmt, ##arg); \
365 error = SYSCTL_OUT(req, buf, strlen(buf)); \
366 if (error) return error;
368 #define DRM_SYSCTL_PRINT_RET(ret, fmt, arg...) \
369 snprintf(buf, sizeof(buf), fmt, ##arg); \
370 error = SYSCTL_OUT(req, buf, strlen(buf)); \
371 if (error) { ret; return error; }
374 #define DRM_FIND_MAP(dest, o) \
376 drm_map_list_entry_t *listentry; \
377 TAILQ_FOREACH(listentry, dev->maplist, link) { \
378 if ( listentry->map->offset == o ) { \
379 dest = listentry->map; \
386 /* Internal functions */
389 extern d_ioctl_t DRM(ioctl);
390 extern d_open_t DRM(open);
391 extern d_close_t DRM(close);
392 extern d_read_t DRM(read);
393 extern d_poll_t DRM(poll);
394 extern d_mmap_t DRM(mmap);
395 extern int DRM(open_helper)(dev_t kdev, int flags, int fmt,
396 DRM_STRUCTPROC *p, drm_device_t *dev);
397 extern drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev,
400 /* sysctl support (drm_sysctl.h) */
401 extern int DRM(sysctl_init)(drm_device_t *dev);
402 extern int DRM(sysctl_cleanup)(drm_device_t *dev);
404 /* Memory info sysctl (drm_memory.h) */
405 extern int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS;