1 /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
2 * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
3 */
4 /*-
5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
7 * All rights reserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
18 * Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
27 *
28 * Authors:
29 * Rickard E. (Rik) Faith <faith@valinux.com>
30 * Gareth Hughes <gareth@valinux.com>
31 *
32 */
33
34 #ifndef _DRM_P_H_
35 #define _DRM_P_H_
36
37 #if defined(_KERNEL) || defined(__KERNEL__)
38
39 struct drm_device;
40 struct drm_file;
41
42 #if defined(__NetBSD__) && defined(_KERNEL_OPT)
43 #include "opt_drm.h"
44 #endif
45
46 #include <sys/param.h>
47 #include <sys/queue.h>
48 #include <sys/malloc.h>
49 #include <sys/kernel.h>
50 #include <sys/module.h>
51 #include <sys/systm.h>
52 #include <sys/conf.h>
53 #include <sys/stat.h>
54 #if __FreeBSD_version >= 700000
55 #include <sys/priv.h>
56 #endif
57 #include <sys/proc.h>
58 #include <sys/lock.h>
59 #include <sys/fcntl.h>
60 #include <sys/uio.h>
61 #include <sys/filio.h>
62 #include <sys/sysctl.h>
63 #include <sys/bus.h>
64 #include <sys/signalvar.h>
65 #include <sys/poll.h>
66 #include <sys/tree.h>
67 #ifdef __FreeBSD__
68 #include <vm/vm.h>
69 #include <vm/pmap.h>
70 #include <vm/vm_extern.h>
71 #include <vm/vm_map.h>
72 #include <vm/vm_param.h>
73 #include <machine/resource.h>
74 #include <machine/param.h>
75 #endif
76 #include <machine/pmap.h>
77 #include <sys/bus.h>
78 #if defined(__i386__) || defined(__x86_64__)
79 #include <machine/specialreg.h>
80 #include <machine/sysarch.h>
81 #endif
82 #include <sys/endian.h>
83 #include <sys/mman.h>
84 #if defined( __FreeBSD__)
85 #include <sys/rman.h>
86 #include <sys/memrange.h>
87 #if __FreeBSD_version >= 800004
88 #include <dev/agp/agpvar.h>
89 #else /* __FreeBSD_version >= 800004 */
90 #include <pci/agpvar.h>
91 #endif /* __FreeBSD_version >= 800004 */
92 #include <sys/agpio.h>
93 #include <sys/mutex.h>
94 #include <dev/pci/pcivar.h>
95 #include <dev/pci/pcireg.h>
96 #include <sys/selinfo.h>
97 #include <sys/bus.h>
98 #elif defined(__NetBSD__)
99 #if defined(__i386__) || defined(__x86_64__)
100 #include <machine/mtrr.h>
101 #endif
102 #include <sys/vnode.h>
103 #include <sys/select.h>
104 #include <sys/device.h>
105 #include <sys/resourcevar.h>
106 #include <sys/agpio.h>
107 #include <sys/ttycom.h>
108 #include <sys/mman.h>
109 #include <sys/kauth.h>
110 #include <sys/types.h>
111 #include <sys/file.h>
112 #include <sys/atomic.h>
113 #include <sys/workqueue.h>
114 #include <uvm/uvm.h>
115 #include <dev/pci/pcireg.h>
116 #include <dev/pci/pcivar.h>
117 #include <dev/pci/agpvar.h>
118 #endif
119
120 #include "drm.h"
121 #include "drm_linux_list.h"
122 #include "drm_atomic.h"
123 #include "drm_internal.h"
124
125 #ifdef __FreeBSD__
126 #include <opt_drm.h>
127 #endif
128
129 #ifdef DRM_DEBUG
130 #undef DRM_DEBUG
131 #define DRM_DEBUG_DEFAULT_ON 1
132 #endif /* DRM_DEBUG */
133
134 #ifdef __FreeBSD__
135 #define DRM_KASSERT(x,y) KASSERT(x,y)
136 #else
137 #define DRM_KASSERT(x,y) KASSERT(x)
138 #define device_get_softc(x) device_private(x)
139 #define callout_deactivate(x) callout_stop(x)
140 #define callout_drain(x) callout_stop(x)
141 #endif
142
143 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__)
144 #include <sys/file.h>
145 #include <sys/proc.h>
146 #include <machine/../linux/linux.h>
147 #include <machine/../linux/linux_proto.h>
148 #else
149 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't
150 * supported on this OS yet.
151 */
152 #undef DRM_LINUX
153 #define DRM_LINUX 0
154 #endif
155
156 /* driver capabilities and requirements mask */
157 #define DRIVER_USE_AGP 0x1
158 #define DRIVER_REQUIRE_AGP 0x2
159 #define DRIVER_USE_MTRR 0x4
160 #define DRIVER_PCI_DMA 0x8
161 #define DRIVER_SG 0x10
162 #define DRIVER_HAVE_DMA 0x20
163 #define DRIVER_HAVE_IRQ 0x40
164 #define DRIVER_DMA_QUEUE 0x100
165
166
167 #define DRM_HASH_SIZE 16 /* Size of key hash table */
168 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
169 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
170
171 MALLOC_DECLARE(DRM_MEM_DMA);
172 MALLOC_DECLARE(DRM_MEM_SAREA);
173 MALLOC_DECLARE(DRM_MEM_DRIVER);
174 MALLOC_DECLARE(DRM_MEM_MAGIC);
175 MALLOC_DECLARE(DRM_MEM_IOCTLS);
176 MALLOC_DECLARE(DRM_MEM_MAPS);
177 MALLOC_DECLARE(DRM_MEM_BUFS);
178 MALLOC_DECLARE(DRM_MEM_SEGS);
179 MALLOC_DECLARE(DRM_MEM_PAGES);
180 MALLOC_DECLARE(DRM_MEM_FILES);
181 MALLOC_DECLARE(DRM_MEM_QUEUES);
182 MALLOC_DECLARE(DRM_MEM_CMDS);
183 MALLOC_DECLARE(DRM_MEM_MAPPINGS);
184 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
185 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
186 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
187 MALLOC_DECLARE(DRM_MEM_SGLISTS);
188 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
189 MALLOC_DECLARE(DRM_MEM_MM);
190
191 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
192
193 /* Internal types and structures */
194 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
195 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
196 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
197
198 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
199
200 #define __OS_HAS_AGP 1
201
202 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
203 #define DRM_DEV_UID 0
204 #define DRM_DEV_GID 0
205
206 #define wait_queue_head_t atomic_t
207 #define DRM_WAKEUP(w) wakeup((void *)w)
208 #define DRM_WAKEUP_INT(w) wakeup(w)
209 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
210
211 #if defined(__FreeBSD__)
212 #define DRM_CDEV struct cdev *
213 #define DRM_CURPROC curthread
214 #define DRM_STRUCTPROC struct thread
215 #define DRM_STRUCTCDEVPROC struct thread
216 #define DRM_CDEVPROC_REAL(p) (p)
217 #define DRM_IOCTL_DATA caddr_t
218 #define DRM_SPINTYPE struct mtx
219 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF)
220 #define DRM_SPINUNINIT(l) mtx_destroy(l)
221 #define DRM_SPINLOCK(l) mtx_lock(l)
222 #define DRM_SPINUNLOCK(u) mtx_unlock(u)
223 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
224 mtx_lock(l); \
225 (void)irqflags; \
226 } while (0)
227 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
228 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
229 #define DRM_CURRENTPID curthread->td_proc->p_pid
230 #define DRM_LOCK() mtx_lock(&dev->dev_lock)
231 #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock)
232 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
233 #elif defined(__NetBSD__)
234 #define DRM_CDEV dev_t
235 #define DRM_CURPROC curproc
236 #define DRM_STRUCTPROC struct proc
237 #define DRM_STRUCTCDEVPROC struct lwp
238 #define DRM_CDEVPROC_REAL(l) (l)->l_proc
239 #define DRM_IOCTL_DATA void *
240 #define DRM_SPINTYPE kmutex_t
241 #define DRM_SPININIT(l,name) mutex_init(l, MUTEX_DEFAULT, /*IPL_NONE*/ IPL_VM)
242 #define DRM_SPINUNINIT(l) mutex_destroy(l)
243 #define DRM_SPINLOCK(l) mutex_enter(l)
244 #define DRM_SPINUNLOCK(u) mutex_exit(u)
245 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
246 mutex_enter(l); \
247 (void)irqflags; \
248 } while (0)
249 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mutex_exit(u)
250 #define DRM_SPINLOCK_ASSERT(l) mutex_owned(l)
251 #define DRM_CURRENTPID curproc->p_pid
252 #define DRM_LOCK() DRM_SPINLOCK(&dev->dev_lock)
253 #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock)
254 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTLFN_ARGS)
255 #define vslock(addr, len) uvm_vslock(curproc->p_vmspace, addr, len, VM_PROT_READ | VM_PROT_WRITE)
256 #define vsunlock(addr, len) uvm_vsunlock(curproc->p_vmspace, addr, len)
257 #endif
258
259 #define DRM_IRQ_ARGS void *arg
260 #if defined(__FreeBSD__)
261 typedef void irqreturn_t;
262 #define IRQ_HANDLED /* nothing */
263 #define IRQ_NONE /* nothing */
264 #elif defined(__NetBSD__)
265 typedef int irqreturn_t;
266 #define IRQ_HANDLED 1
267 #define IRQ_NONE 0
268 #endif
269
270 enum {
271 DRM_IS_NOT_AGP,
272 DRM_IS_AGP,
273 DRM_MIGHT_BE_AGP
274 };
275 #define DRM_AGP_MEM struct agp_memory_info
276
277 #if defined(__FreeBSD__)
278 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
279 #elif defined(__NetBSD__)
280 #define drm_get_device_from_kdev(_kdev) ((minor(_kdev) < DRM_MAXUNITS) ? \
281 drm_units[minor(_kdev)] : NULL)
282 #endif
283
284 #if defined(__FreeBSD__)
285 #define PAGE_ALIGN(addr) round_page(addr)
286 /* DRM_SUSER returns true if the user is superuser */
287 #if __FreeBSD_version >= 700000
288 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
289 #else
290 #define DRM_SUSER(p) (suser(p) == 0)
291 #endif
292 #define DRM_AGP_FIND_DEVICE() agp_find_device()
293 #define DRM_MTRR_WC MDF_WRITECOMBINE
294 #define jiffies ticks
295
296 #elif defined(__NetBSD__)
297
298 #define PAGE_ALIGN(addr) round_page(addr)
299 #define DRM_SUSER(p) (kauth_cred_getsvuid((p)->p_cred) == 0)
300 #define DRM_AGP_FIND_DEVICE() agp_find_device(0)
301 #ifdef MTRR_TYPE_WC
302 #define DRM_MTRR_WC MTRR_TYPE_WC
303 #else
304 #define DRM_MTRR_WC 0
305 #endif
306 #define jiffies hardclock_ticks
307
308 #define DRM_MAXUNITS 128
309 extern struct drm_device *drm_units[];
310
311 #endif
312
313 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */
314 #ifndef PCIY_AGP
315 #define PCIY_AGP 0x02
316 #endif
317
318 #ifndef PCIY_EXPRESS
319 #define PCIY_EXPRESS 0x10
320 #endif
321
322 typedef unsigned long dma_addr_t;
323 #if defined(__FreeBSD__)
324 typedef u_int64_t u64;
325 typedef u_int32_t u32;
326 typedef u_int16_t u16;
327 typedef u_int8_t u8;
328 #else
329 typedef uint64_t u64;
330 typedef uint32_t u32;
331 typedef uint16_t u16;
332 typedef uint8_t u8;
333 #endif
334
335 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
336 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
337 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
338 */
339 #if defined(__NetBSD__)
340 #define DRM_READMEMORYBARRIER() membar_consumer()
341 #define DRM_WRITEMEMORYBARRIER() membar_producer()
342 #define DRM_MEMORYBARRIER() membar_sync()
343 #elif defined(__i386__)
344 #define DRM_READMEMORYBARRIER() __asm __volatile( \
345 "lock; addl $0,0(%%esp)" : : : "memory");
346 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
347 #define DRM_MEMORYBARRIER() __asm __volatile( \
348 "lock; addl $0,0(%%esp)" : : : "memory");
349 #elif defined(__alpha__)
350 #define DRM_READMEMORYBARRIER() alpha_mb();
351 #define DRM_WRITEMEMORYBARRIER() alpha_wmb();
352 #define DRM_MEMORYBARRIER() alpha_mb();
353 #elif defined(__amd64__)
354 #define DRM_READMEMORYBARRIER() __asm __volatile( \
355 "lock; addl $0,0(%%rsp)" : : : "memory");
356 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
357 #define DRM_MEMORYBARRIER() __asm __volatile( \
358 "lock; addl $0,0(%%rsp)" : : : "memory");
359 #endif
360
361 #define DRM_COPY_TO_USER(user, kern, size) \
362 copyout(kern, user, size)
363 #define DRM_COPY_FROM_USER(kern, user, size) \
364 copyin(user, kern, size)
365 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
366 copyin(arg2, arg1, arg3)
367 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
368 copyout(arg2, arg1, arg3)
369 #if defined(__FreeBSD__)
370 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
371 ((val) = fuword32(uaddr), 0)
372 #else
373 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
374 ((val) = fuword(uaddr), 0)
375 #endif
376
377 #define cpu_to_le32(x) htole32(x)
378 #define le32_to_cpu(x) le32toh(x)
379
380 #define DRM_HZ hz
381 #define DRM_UDELAY(udelay) DELAY(udelay)
382 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
383
384 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
385 (_map) = (_dev)->context_sareas[_ctx]; \
386 } while(0)
387
388 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
389 do { \
390 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
391 dev->lock.file_priv != file_priv) { \
392 DRM_ERROR("%s called without lock held\n", \
393 __FUNCTION__); \
394 return EINVAL; \
395 } \
396 } while (0)
397
398 /* Returns -errno to shared code */
399 #if defined(__FreeBSD__)
400 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
401 for ( ret = 0 ; !ret && !(condition) ; ) { \
402 DRM_UNLOCK(); \
403 mtx_lock(&dev->irq_lock); \
404 if (!(condition)) \
405 ret = -mtx_sleep(&(queue), &dev->irq_lock, \
406 PCATCH, "drmwtq", (timeout)); \
407 mtx_unlock(&dev->irq_lock); \
408 DRM_LOCK(); \
409 }
410 #elif defined(__NetBSD__)
411 /* Returns -errno to shared code */
412 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
413 for ( ret = 0 ; !ret && !(condition) ; ) { \
414 DRM_UNLOCK(); \
415 mutex_enter(&dev->irq_lock); \
416 if (!(condition)) \
417 ret = -mtsleep(&(queue), PCATCH, \
418 "drmwtq", (timeout), &dev->irq_lock); \
419 mutex_exit(&dev->irq_lock); \
420 DRM_LOCK(); \
421 }
422 #endif
423
424 #define DRM_ERROR(fmt, ...) \
425 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
426 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
427
428 #define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
429
430 #define DRM_DEBUG(fmt, ...) do { \
431 if (drm_debug_flag) \
432 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
433 __func__ , ##__VA_ARGS__); \
434 } while (0)
435
436 typedef struct drm_pci_id_list
437 {
438 int vendor;
439 int device;
440 long driver_private;
441 #if defined(__NetBSD__)
442 const char *name;
443 #else
444 char *name;
445 #endif
446 } drm_pci_id_list_t;
447
448 struct drm_msi_blacklist_entry
449 {
450 int vendor;
451 int device;
452 };
453
454 #define DRM_AUTH 0x1
455 #define DRM_MASTER 0x2
456 #define DRM_ROOT_ONLY 0x4
457 typedef struct drm_ioctl_desc {
458 unsigned long cmd;
459 int (*func)(struct drm_device *dev, void *data,
460 struct drm_file *file_priv);
461 int flags;
462 } drm_ioctl_desc_t;
463 /**
464 * Creates a driver or general drm_ioctl_desc array entry for the given
465 * ioctl, for use by drm_ioctl().
466 */
467 #define DRM_IOCTL_DEF(ioctl, func, flags) \
468 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
469
470 typedef struct drm_magic_entry {
471 drm_magic_t magic;
472 struct drm_file *priv;
473 struct drm_magic_entry *next;
474 } drm_magic_entry_t;
475
476 typedef struct drm_magic_head {
477 struct drm_magic_entry *head;
478 struct drm_magic_entry *tail;
479 } drm_magic_head_t;
480
481 typedef struct drm_buf {
482 int idx; /* Index into master buflist */
483 int total; /* Buffer size */
484 int order; /* log-base-2(total) */
485 int used; /* Amount of buffer in use (for DMA) */
486 unsigned long offset; /* Byte offset (used internally) */
487 void *address; /* Address of buffer */
488 unsigned long bus_address; /* Bus address of buffer */
489 struct drm_buf *next; /* Kernel-only: used for free list */
490 __volatile__ int pending; /* On hardware DMA queue */
491 struct drm_file *file_priv; /* Unique identifier of holding process */
492 int context; /* Kernel queue for this buffer */
493 enum {
494 DRM_LIST_NONE = 0,
495 DRM_LIST_FREE = 1,
496 DRM_LIST_WAIT = 2,
497 DRM_LIST_PEND = 3,
498 DRM_LIST_PRIO = 4,
499 DRM_LIST_RECLAIM = 5
500 } list; /* Which list we're on */
501
502 int dev_priv_size; /* Size of buffer private stoarge */
503 void *dev_private; /* Per-buffer private storage */
504 } drm_buf_t;
505
506 typedef struct drm_freelist {
507 int initialized; /* Freelist in use */
508 atomic_t count; /* Number of free buffers */
509 drm_buf_t *next; /* End pointer */
510
511 int low_mark; /* Low water mark */
512 int high_mark; /* High water mark */
513 } drm_freelist_t;
514
515 typedef struct drm_dma_handle {
516 void *vaddr;
517 bus_addr_t busaddr;
518 bus_dma_tag_t tag;
519 bus_dmamap_t map;
520 #if defined(__NetBSD__)
521 size_t size;
522 size_t nsegs;
523 bus_dma_segment_t segs[1];
524 #endif
525 } drm_dma_handle_t;
526
527 typedef struct drm_buf_entry {
528 int buf_size;
529 int buf_count;
530 drm_buf_t *buflist;
531 int seg_count;
532 drm_dma_handle_t **seglist;
533 int page_order;
534
535 drm_freelist_t freelist;
536 } drm_buf_entry_t;
537
538 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
539 struct drm_file {
540 TAILQ_ENTRY(drm_file) link;
541 struct drm_device *dev;
542 int authenticated;
543 int master;
544 int minor;
545 pid_t pid;
546 uid_t uid;
547 drm_magic_t magic;
548 unsigned long ioctl_count;
549 void *driver_priv;
550 };
551
552 typedef struct drm_lock_data {
553 struct drm_hw_lock *hw_lock; /* Hardware lock */
554 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
555 int lock_queue; /* Queue of blocked processes */
556 unsigned long lock_time; /* Time of last lock in jiffies */
557 } drm_lock_data_t;
558
559 /* This structure, in the struct drm_device, is always initialized while the
560 * device
561 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
562 * when set marks that no further bufs may be allocated until device teardown
563 * occurs (when the last open of the device has closed). The high/low
564 * watermarks of bufs are only touched by the X Server, and thus not
565 * concurrently accessed, so no locking is needed.
566 */
567 typedef struct drm_device_dma {
568 drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
569 int buf_count;
570 drm_buf_t **buflist; /* Vector of pointers info bufs */
571 int seg_count;
572 int page_count;
573 unsigned long *pagelist;
574 unsigned long byte_count;
575 enum {
576 _DRM_DMA_USE_AGP = 0x01,
577 _DRM_DMA_USE_SG = 0x02
578 } flags;
579 } drm_device_dma_t;
580
581 typedef struct drm_agp_mem {
582 void *handle;
583 unsigned long bound; /* address */
584 int pages;
585 struct drm_agp_mem *prev;
586 struct drm_agp_mem *next;
587 } drm_agp_mem_t;
588
589 typedef struct drm_agp_head {
590 device_t agpdev;
591 struct agp_info info;
592 const char *chipset;
593 drm_agp_mem_t *memory;
594 unsigned long mode;
595 int enabled;
596 int acquired;
597 unsigned long base;
598 int mtrr;
599 int cant_use_aperture;
600 unsigned long page_mask;
601 } drm_agp_head_t;
602
603 typedef struct drm_sg_mem {
604 unsigned long handle;
605 void *virtual;
606 int pages;
607 dma_addr_t *busaddr;
608 struct drm_dma_handle *sg_dmah; /* Handle for sg_pages */
609 struct drm_dma_handle *dmah; /* Handle to PCI memory */
610 /* for ATI PCIGART table */
611 } drm_sg_mem_t;
612
613 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
614
615 #if defined(__NetBSD__)
616 typedef struct {
617 int mapped;
618 int maptype;
619 bus_addr_t base;
620 bus_size_t size;
621 bus_space_handle_t bsh;
622 int flags;
623 void * vaddr;
624 } pci_map_data_t;
625
626 /* XXX */
627 #define readl(va) (*(volatile u_int32_t *) (va))
628 #endif
629
630 typedef struct drm_local_map {
631 unsigned long offset; /* Physical address (0 for SAREA)*/
632 unsigned long size; /* Physical size (bytes) */
633 enum drm_map_type type; /* Type of memory mapped */
634 enum drm_map_flags flags; /* Flags */
635 void *handle; /* User-space: "Handle" to pass to mmap */
636 /* Kernel-space: kernel-virtual address */
637 int mtrr; /* Boolean: MTRR used */
638 /* Private data */
639 int rid; /* PCI resource ID for bus_space */
640 #if defined(__FreeBSD__)
641 struct resource *bsr;
642 #endif
643 bus_space_tag_t bst;
644 bus_space_handle_t bsh;
645 drm_dma_handle_t *dmah;
646 #if defined(__NetBSD__)
647 pci_map_data_t *fullmap;
648 bus_size_t mapsize;
649 #endif
650 TAILQ_ENTRY(drm_local_map) link;
651 } drm_local_map_t;
652
653 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig);
654 typedef struct drm_vbl_sig {
655 TAILQ_ENTRY(drm_vbl_sig) link;
656 unsigned int sequence;
657 int signo;
658 int pid;
659 } drm_vbl_sig_t;
660
661 struct drm_vblank_info {
662 wait_queue_head_t queue; /* vblank wait queue */
663 atomic_t count; /* number of VBLANK interrupts */
664 /* (driver must alloc the right number of counters) */
665 struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */
666 atomic_t refcount; /* number of users of vblank interrupts */
667 u32 last; /* protected by dev->vbl_lock, used */
668 /* for wraparound handling */
669 int enabled; /* so we don't call enable more than */
670 /* once per disable */
671 int inmodeset; /* Display driver is setting mode */
672 };
673
674 /* location of GART table */
675 #define DRM_ATI_GART_MAIN 1
676 #define DRM_ATI_GART_FB 2
677
678 #define DRM_ATI_GART_PCI 1
679 #define DRM_ATI_GART_PCIE 2
680 #define DRM_ATI_GART_IGP 3
681
682 struct drm_ati_pcigart_info {
683 int gart_table_location;
684 int gart_reg_if;
685 void *addr;
686 dma_addr_t bus_addr;
687 dma_addr_t table_mask;
688 dma_addr_t member_mask;
689 struct drm_dma_handle *table_handle;
690 drm_local_map_t mapping;
691 int table_size;
692 };
693
694 #ifndef DMA_BIT_MASK
695 #define DMA_BIT_MASK(n) ((dma_addr_t)(((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1))
696 #endif
697
698 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
699
700 struct drm_driver_info {
701 int (*load)(struct drm_device *, unsigned long flags);
702 int (*firstopen)(struct drm_device *);
703 int (*open)(struct drm_device *, struct drm_file *);
704 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
705 void (*postclose)(struct drm_device *, struct drm_file *);
706 void (*lastclose)(struct drm_device *);
707 int (*unload)(struct drm_device *);
708 void (*reclaim_buffers_locked)(struct drm_device *,
709 struct drm_file *file_priv);
710 int (*dma_ioctl)(struct drm_device *dev, void *data,
711 struct drm_file *file_priv);
712 void (*dma_ready)(struct drm_device *);
713 int (*dma_quiescent)(struct drm_device *);
714 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
715 enum drm_lock_flags flags);
716 int (*dma_flush_unblock)(struct drm_device *, int context,
717 enum drm_lock_flags flags);
718 int (*context_ctor)(struct drm_device *dev, int context);
719 int (*context_dtor)(struct drm_device *dev, int context);
720 int (*kernel_context_switch)(struct drm_device *dev, int old,
721 int new);
722 int (*kernel_context_switch_unlock)(struct drm_device *dev);
723 void (*irq_preinstall)(struct drm_device *dev);
724 int (*irq_postinstall)(struct drm_device *dev);
725 void (*irq_uninstall)(struct drm_device *dev);
726 irqreturn_t (*irq_handler)(DRM_IRQ_ARGS);
727 u32 (*get_vblank_counter)(struct drm_device *dev, unsigned int crtc);
728 int (*enable_vblank)(struct drm_device *dev, unsigned int crtc);
729 void (*disable_vblank)(struct drm_device *dev, unsigned int crtc);
730
731 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
732
733 /**
734 * Called by \c drm_device_is_agp. Typically used to determine if a
735 * card is really attached to AGP or not.
736 *
737 * \param dev DRM device handle
738 *
739 * \returns
740 * One of three values is returned depending on whether or not the
741 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
742 * (return of 1), or may or may not be AGP (return of 2).
743 */
744 int (*device_is_agp) (struct drm_device * dev);
745
746 drm_ioctl_desc_t *ioctls;
747 int max_ioctl;
748
749 int buf_priv_size;
750
751 int major;
752 int minor;
753 int patchlevel;
754 const char *name; /* Simple driver name */
755 const char *desc; /* Longer driver name */
756 const char *date; /* Date of last major changes. */
757
758 u32 driver_features;
759 };
760
761 /* Length for the array of resource pointers for drm_get_resource_*. */
762 #define DRM_MAX_PCI_RESOURCE 6
763
764 /**
765 * DRM device functions structure
766 */
767 struct drm_device {
768 struct drm_driver_info *driver;
769 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
770
771 u_int16_t pci_device; /* PCI device id */
772 u_int16_t pci_vendor; /* PCI vendor id */
773
774 char *unique; /* Unique identifier: e.g., busid */
775 int unique_len; /* Length of unique field */
776 device_t device; /* Device instance from newbus */
777 #if defined(__FreeBSD__)
778 struct cdev *devnode; /* Device number for mknod */
779 #endif
780 int if_version; /* Highest interface version set */
781
782 int flags; /* Flags to open(2) */
783
784 /* Locks */
785 DRM_SPINTYPE vbl_lock; /* protects vblank operations */
786 DRM_SPINTYPE dma_lock; /* protects dev->dma */
787 DRM_SPINTYPE irq_lock; /* protects irq condition checks */
788 DRM_SPINTYPE dev_lock; /* protects everything else */
789 DRM_SPINTYPE drw_lock;
790
791 /* Usage Counters */
792 int open_count; /* Outstanding files open */
793 int buf_use; /* Buffers in use -- cannot alloc */
794
795 /* Performance counters */
796 unsigned long counters;
797 enum drm_stat_type types[15];
798 atomic_t counts[15];
799
800 /* Authentication */
801 drm_file_list_t files;
802 drm_magic_head_t magiclist[DRM_HASH_SIZE];
803
804 /* Linked list of mappable regions. Protected by dev_lock */
805 drm_map_list_t maplist;
806
807 drm_local_map_t **context_sareas;
808 int max_context;
809
810 drm_lock_data_t lock; /* Information on hardware lock */
811
812 /* DMA queues (contexts) */
813 drm_device_dma_t *dma; /* Optional pointer for DMA support */
814
815 /* Context support */
816 int irq; /* Interrupt used by board */
817 int irq_enabled; /* True if the irq handler is enabled */
818 int msi_enabled; /* MSI enabled */
819 #if defined(__FreeBSD__)
820 int irqrid; /* Interrupt used by board */
821 struct resource *irqr; /* Resource for interrupt used by board */
822
823 /* Storage of resource pointers for drm_get_resource_* */
824 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
825 int pcirid[DRM_MAX_PCI_RESOURCE];
826 #elif defined(__NetBSD__)
827 struct pci_attach_args pa;
828 pci_map_data_t pci_map_data[DRM_MAX_PCI_RESOURCE];
829 pci_map_data_t agp_map_data[DRM_MAX_PCI_RESOURCE];
830 dev_t kdev;
831 #endif
832 void *irqh; /* Handle from bus_setup_intr */
833
834 int pci_domain;
835 int pci_bus;
836 int pci_slot;
837 int pci_func;
838
839 atomic_t context_flag; /* Context swapping flag */
840 int last_context; /* Last current context */
841
842 int vblank_disable_allowed;
843 atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */
844 struct callout vblank_disable_timer;
845 u32 max_vblank_count; /* size of vblank counter register */
846 struct drm_vblank_info *vblank; /* per crtc vblank info */
847 int num_crtcs;
848
849 #if defined(__FreeBSD__)
850 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
851 #elif defined(__NetBSD__)
852 pid_t buf_pgid;
853 #endif
854
855 /* Sysctl support */
856 struct drm_sysctl_info *sysctl;
857
858 drm_agp_head_t *agp;
859 drm_sg_mem_t *sg; /* Scatter gather memory */
860 atomic_t *ctx_bitmap;
861 void *dev_private;
862 unsigned int agp_buffer_token;
863 drm_local_map_t *agp_buffer_map;
864
865 #if defined(__FreeBSD__)
866 struct unrhdr *drw_unrhdr;
867 #elif defined(__NetBSD__)
868 int drw_no;
869 #endif
870 /* RB tree of drawable infos */
871 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
872 };
873
drm_core_check_feature(struct drm_device * dev,int feature)874 static __inline__ int drm_core_check_feature(struct drm_device *dev,
875 int feature)
876 {
877 return ((dev->driver->driver_features & feature) ? 1 : 0);
878 }
879
880 #if __OS_HAS_AGP
drm_core_has_AGP(struct drm_device * dev)881 static inline int drm_core_has_AGP(struct drm_device *dev)
882 {
883 return drm_core_check_feature(dev, DRIVER_USE_AGP);
884 }
885 #else
886 #define drm_core_has_AGP(dev) (0)
887 #endif
888
889 #if defined(__FreeBSD__)
890
891 #define DRM_READ8(map, offset) \
892 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \
893 (vm_offset_t)(offset))
894 #define DRM_READ16(map, offset) \
895 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \
896 (vm_offset_t)(offset))
897 #define DRM_READ32(map, offset) \
898 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \
899 (vm_offset_t)(offset))
900 #define DRM_WRITE8(map, offset, val) \
901 *(volatile u_int8_t *)(((vm_offset_t)(map)->handle) + \
902 (vm_offset_t)(offset)) = val
903 #define DRM_WRITE16(map, offset, val) \
904 *(volatile u_int16_t *)(((vm_offset_t)(map)->handle) + \
905 (vm_offset_t)(offset)) = val
906 #define DRM_WRITE32(map, offset, val) \
907 *(volatile u_int32_t *)(((vm_offset_t)(map)->handle) + \
908 (vm_offset_t)(offset)) = val
909
910 #define DRM_VERIFYAREA_READ( uaddr, size ) \
911 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
912
913 #elif defined(__NetBSD__)
914
915 typedef vaddr_t vm_offset_t;
916
917 #define DRM_IS_BUS_SPACE(map) ((map)->type == _DRM_REGISTERS || \
918 (map)->type == _DRM_CONSISTENT)
919
920 static __inline__ u_int8_t
DRM_READ8(drm_local_map_t * map,bus_size_t offset)921 DRM_READ8(drm_local_map_t *map, bus_size_t offset)
922 {
923 if (DRM_IS_BUS_SPACE(map))
924 return bus_space_read_1(map->bst, map->bsh, offset);
925 else
926 return *(volatile u_int8_t *)((vaddr_t)map->handle + offset);
927 }
928
929 static __inline__ u_int16_t
DRM_READ16(drm_local_map_t * map,bus_size_t offset)930 DRM_READ16(drm_local_map_t *map, bus_size_t offset)
931 {
932 if (DRM_IS_BUS_SPACE(map))
933 return bus_space_read_2(map->bst, map->bsh, offset);
934 else
935 return *(volatile u_int16_t *)((vaddr_t)map->handle + offset);
936 }
937
938 static __inline__ u_int32_t
DRM_READ32(drm_local_map_t * map,bus_size_t offset)939 DRM_READ32(drm_local_map_t *map, bus_size_t offset)
940 {
941 if (DRM_IS_BUS_SPACE(map))
942 return bus_space_read_4(map->bst, map->bsh, offset);
943 else
944 return *(volatile u_int32_t *)((vaddr_t)map->handle + offset);
945 }
946
947 static __inline__ void
DRM_WRITE8(drm_local_map_t * map,bus_size_t offset,u_int8_t val)948 DRM_WRITE8(drm_local_map_t *map, bus_size_t offset, u_int8_t val)
949 {
950 if (DRM_IS_BUS_SPACE(map))
951 bus_space_write_1(map->bst, map->bsh, offset, val);
952 else
953 *(volatile u_int8_t *)((vaddr_t)map->handle + offset) = val;
954 }
955
956 static __inline__ void
DRM_WRITE16(drm_local_map_t * map,bus_size_t offset,u_int16_t val)957 DRM_WRITE16(drm_local_map_t *map, bus_size_t offset, u_int16_t val)
958 {
959 if (DRM_IS_BUS_SPACE(map))
960 bus_space_write_2(map->bst, map->bsh, offset, val);
961 else
962 *(volatile u_int16_t *)((vaddr_t)map->handle + offset) = val;
963 }
964
965 static __inline__ void
DRM_WRITE32(drm_local_map_t * map,bus_size_t offset,u_int32_t val)966 DRM_WRITE32(drm_local_map_t *map, bus_size_t offset, u_int32_t val)
967 {
968 if (DRM_IS_BUS_SPACE(map))
969 bus_space_write_4(map->bst, map->bsh, offset, val);
970 else
971 *(volatile u_int32_t *)((vaddr_t)map->handle + offset) = val;
972 }
973
974 #define DRM_VERIFYAREA_READ( uaddr, size ) \
975 (!uvm_map_checkprot(&(curproc->p_vmspace->vm_map), \
976 (vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ))
977
978 #endif
979
980 extern int drm_debug_flag;
981
982 /* Device setup support (drm_drv.c) */
983 #if defined(__FreeBSD__)
984 int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
985 int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
986 void drm_close(void *data);
987 int drm_detach(device_t kdev);
988 d_ioctl_t drm_ioctl;
989 d_open_t drm_open;
990 d_read_t drm_read;
991 d_poll_t drm_poll;
992 d_mmap_t drm_mmap;
993 #elif defined(__NetBSD__)
994 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist);
995 void drm_attach(device_t kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist);
996 int drm_detach(device_t self, int flags);
997 dev_type_ioctl(drm_ioctl);
998 dev_type_open(drm_open);
999 dev_type_close(drm_close);
1000 dev_type_read(drm_read);
1001 dev_type_poll(drm_poll);
1002 dev_type_mmap(drm_mmap);
1003 #endif
1004 extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
1005
1006 int drm_close_pid(struct drm_device *dev, struct drm_file *priv, pid_t pid);
1007
1008 /* File operations helpers (drm_fops.c) */
1009 #if defined(__FreeBSD__)
1010 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
1011 DRM_STRUCTPROC *p,
1012 struct drm_device *dev);
1013 #elif defined(__NetBSD__)
1014 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev,
1015 struct proc *p);
1016 extern int drm_open_helper(dev_t kdev, int flags, int fmt,
1017 struct proc *p, struct drm_device *dev);
1018 #endif
1019
1020 /* Memory management support (drm_memory.c) */
1021 void drm_mem_init(void);
1022 void drm_mem_uninit(void);
1023 void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
1024 void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
1025 void drm_ioremapfree(drm_local_map_t *map);
1026 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
1027 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1028
1029 int drm_context_switch(struct drm_device *dev, int old, int new);
1030 int drm_context_switch_complete(struct drm_device *dev, int new);
1031
1032 int drm_ctxbitmap_init(struct drm_device *dev);
1033 void drm_ctxbitmap_cleanup(struct drm_device *dev);
1034 void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
1035 int drm_ctxbitmap_next(struct drm_device *dev);
1036
1037 /* Locking IOCTL support (drm_lock.c) */
1038 int drm_lock_take(struct drm_lock_data *lock_data,
1039 unsigned int context);
1040 int drm_lock_transfer(struct drm_lock_data *lock_data,
1041 unsigned int context);
1042 int drm_lock_free(struct drm_lock_data *lock_data,
1043 unsigned int context);
1044
1045 /* Buffer management support (drm_bufs.c) */
1046 unsigned long drm_get_resource_start(struct drm_device *dev,
1047 unsigned int resource);
1048 unsigned long drm_get_resource_len(struct drm_device *dev,
1049 unsigned int resource);
1050 void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1051 int drm_order(unsigned long size);
1052 int drm_addmap(struct drm_device *dev, unsigned long offset,
1053 unsigned long size,
1054 enum drm_map_type type, enum drm_map_flags flags,
1055 drm_local_map_t **map_ptr);
1056 int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
1057 int drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
1058 int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
1059
1060 /* DMA support (drm_dma.c) */
1061 int drm_dma_setup(struct drm_device *dev);
1062 void drm_dma_takedown(struct drm_device *dev);
1063 void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1064 void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
1065 #define drm_core_reclaim_buffers drm_reclaim_buffers
1066
1067 /* IRQ support (drm_irq.c) */
1068 int drm_irq_install(struct drm_device *dev);
1069 int drm_irq_uninstall(struct drm_device *dev);
1070 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
1071 void drm_driver_irq_preinstall(struct drm_device *dev);
1072 void drm_driver_irq_postinstall(struct drm_device *dev);
1073 void drm_driver_irq_uninstall(struct drm_device *dev);
1074 void drm_handle_vblank(struct drm_device *dev, unsigned int crtc);
1075 u32 drm_vblank_count(struct drm_device *dev, unsigned int crtc);
1076 int drm_vblank_get(struct drm_device *dev, unsigned int crtc);
1077 void drm_vblank_put(struct drm_device *dev, unsigned int crtc);
1078 void drm_vblank_cleanup(struct drm_device *dev);
1079 int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1080 int drm_vblank_init(struct drm_device *dev, int num_crtcs);
1081 void drm_vbl_send_signals(struct drm_device *dev, unsigned int crtc);
1082 int drm_modeset_ctl(struct drm_device *dev, void *data,
1083 struct drm_file *file_priv);
1084
1085 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
1086 int drm_device_is_agp(struct drm_device *dev);
1087 int drm_device_is_pcie(struct drm_device *dev);
1088 drm_agp_head_t *drm_agp_init(struct drm_device *dev);
1089 int drm_agp_acquire(struct drm_device *dev);
1090 int drm_agp_release(struct drm_device *dev);
1091 int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
1092 int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
1093 void *drm_agp_allocate_memory(size_t pages, u32 type);
1094 int drm_agp_free_memory(void *handle);
1095 int drm_agp_bind_memory(void *handle, off_t start);
1096 int drm_agp_unbind_memory(void *handle);
1097 int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
1098 int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
1099 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
1100 int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
1101
1102 /* Scatter Gather Support (drm_scatter.c) */
1103 void drm_sg_cleanup(drm_sg_mem_t *entry);
1104 int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
1105
1106 /* sysctl support (drm_sysctl.h) */
1107 extern int drm_sysctl_init(struct drm_device *dev);
1108 extern int drm_sysctl_cleanup(struct drm_device *dev);
1109
1110 /* ATI PCIGART support (ati_pcigart.c) */
1111 int drm_ati_pcigart_init(struct drm_device *dev,
1112 struct drm_ati_pcigart_info *gart_info);
1113 int drm_ati_pcigart_cleanup(struct drm_device *dev,
1114 struct drm_ati_pcigart_info *gart_info);
1115
1116 /* Locking IOCTL support (drm_drv.c) */
1117 int drm_lock(struct drm_device *dev, void *data,
1118 struct drm_file *file_priv);
1119 int drm_unlock(struct drm_device *dev, void *data,
1120 struct drm_file *file_priv);
1121 int drm_version(struct drm_device *dev, void *data,
1122 struct drm_file *file_priv);
1123 int drm_setversion(struct drm_device *dev, void *data,
1124 struct drm_file *file_priv);
1125
1126 /* Misc. IOCTL support (drm_ioctl.c) */
1127 int drm_irq_by_busid(struct drm_device *dev, void *data,
1128 struct drm_file *file_priv);
1129 int drm_getunique(struct drm_device *dev, void *data,
1130 struct drm_file *file_priv);
1131 int drm_setunique(struct drm_device *dev, void *data,
1132 struct drm_file *file_priv);
1133 int drm_getmap(struct drm_device *dev, void *data,
1134 struct drm_file *file_priv);
1135 int drm_getclient(struct drm_device *dev, void *data,
1136 struct drm_file *file_priv);
1137 int drm_getstats(struct drm_device *dev, void *data,
1138 struct drm_file *file_priv);
1139 int drm_noop(struct drm_device *dev, void *data,
1140 struct drm_file *file_priv);
1141
1142 /* Context IOCTL support (drm_context.c) */
1143 int drm_resctx(struct drm_device *dev, void *data,
1144 struct drm_file *file_priv);
1145 int drm_addctx(struct drm_device *dev, void *data,
1146 struct drm_file *file_priv);
1147 int drm_modctx(struct drm_device *dev, void *data,
1148 struct drm_file *file_priv);
1149 int drm_getctx(struct drm_device *dev, void *data,
1150 struct drm_file *file_priv);
1151 int drm_switchctx(struct drm_device *dev, void *data,
1152 struct drm_file *file_priv);
1153 int drm_newctx(struct drm_device *dev, void *data,
1154 struct drm_file *file_priv);
1155 int drm_rmctx(struct drm_device *dev, void *data,
1156 struct drm_file *file_priv);
1157 int drm_setsareactx(struct drm_device *dev, void *data,
1158 struct drm_file *file_priv);
1159 int drm_getsareactx(struct drm_device *dev, void *data,
1160 struct drm_file *file_priv);
1161
1162 /* Drawable IOCTL support (drm_drawable.c) */
1163 int drm_adddraw(struct drm_device *dev, void *data,
1164 struct drm_file *file_priv);
1165 int drm_rmdraw(struct drm_device *dev, void *data,
1166 struct drm_file *file_priv);
1167 int drm_update_draw(struct drm_device *dev, void *data,
1168 struct drm_file *file_priv);
1169 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
1170 int handle);
1171
1172 /* Drawable support (drm_drawable.c) */
1173 void drm_drawable_free_all(struct drm_device *dev);
1174
1175 /* Authentication IOCTL support (drm_auth.c) */
1176 int drm_getmagic(struct drm_device *dev, void *data,
1177 struct drm_file *file_priv);
1178 int drm_authmagic(struct drm_device *dev, void *data,
1179 struct drm_file *file_priv);
1180
1181 /* Buffer management support (drm_bufs.c) */
1182 int drm_addmap_ioctl(struct drm_device *dev, void *data,
1183 struct drm_file *file_priv);
1184 int drm_rmmap_ioctl(struct drm_device *dev, void *data,
1185 struct drm_file *file_priv);
1186 int drm_addbufs(struct drm_device *dev, void *data,
1187 struct drm_file *file_priv);
1188 int drm_infobufs(struct drm_device *dev, void *data,
1189 struct drm_file *file_priv);
1190 int drm_markbufs(struct drm_device *dev, void *data,
1191 struct drm_file *file_priv);
1192 int drm_freebufs(struct drm_device *dev, void *data,
1193 struct drm_file *file_priv);
1194 int drm_mapbufs(struct drm_device *dev, void *data,
1195 struct drm_file *file_priv);
1196
1197 /* DMA support (drm_dma.c) */
1198 int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
1199
1200 /* IRQ support (drm_irq.c) */
1201 int drm_control(struct drm_device *dev, void *data,
1202 struct drm_file *file_priv);
1203 int drm_wait_vblank(struct drm_device *dev, void *data,
1204 struct drm_file *file_priv);
1205
1206 /* AGP/GART support (drm_agpsupport.c) */
1207 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1208 struct drm_file *file_priv);
1209 int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1210 struct drm_file *file_priv);
1211 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1212 struct drm_file *file_priv);
1213 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1214 struct drm_file *file_priv);
1215 int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1216 struct drm_file *file_priv);
1217 int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1218 struct drm_file *file_priv);
1219 int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1220 struct drm_file *file_priv);
1221 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1222 struct drm_file *file_priv);
1223
1224 /* Scatter Gather Support (drm_scatter.c) */
1225 int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1226 struct drm_file *file_priv);
1227 int drm_sg_free(struct drm_device *dev, void *data,
1228 struct drm_file *file_priv);
1229
1230 /* consistent PCI memory functions (drm_pci.c) */
1231 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1232 size_t align, dma_addr_t maxaddr);
1233 void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1234
1235 /* Inline replacements for drm_alloc and friends */
1236 static __inline__ void *
drm_alloc(size_t size,struct malloc_type * area)1237 drm_alloc(size_t size, struct malloc_type *area)
1238 {
1239 return malloc(size, area, M_NOWAIT);
1240 }
1241
1242 static __inline__ void *
drm_calloc(size_t nmemb,size_t size,struct malloc_type * area)1243 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
1244 {
1245 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
1246 }
1247
1248 static __inline__ void *
drm_realloc(void * oldpt,size_t oldsize,size_t size,struct malloc_type * area)1249 drm_realloc(void *oldpt, size_t oldsize, size_t size,
1250 struct malloc_type *area)
1251 {
1252 #if defined(__FreeBSD__)
1253 return reallocf(oldpt, size, area, M_NOWAIT);
1254 #elif defined(__NetBSD__)
1255 void *pt;
1256
1257 pt = malloc(size, area, M_NOWAIT);
1258 if (pt == NULL)
1259 return NULL;
1260 if (oldpt && oldsize) {
1261 memcpy(pt, oldpt, oldsize);
1262 free(oldpt, area);
1263 }
1264 return pt;
1265 #endif
1266 }
1267
1268 static __inline__ void
drm_free(void * pt,size_t size,struct malloc_type * area)1269 drm_free(void *pt, size_t size, struct malloc_type *area)
1270 {
1271 free(pt, area);
1272 }
1273
1274 /* Inline replacements for DRM_IOREMAP macros */
1275 static __inline__ void
drm_core_ioremap_wc(struct drm_local_map * map,struct drm_device * dev)1276 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
1277 {
1278 map->handle = drm_ioremap_wc(dev, map);
1279 }
1280 static __inline__ void
drm_core_ioremap(struct drm_local_map * map,struct drm_device * dev)1281 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1282 {
1283 map->handle = drm_ioremap(dev, map);
1284 }
1285 static __inline__ void
drm_core_ioremapfree(struct drm_local_map * map,struct drm_device * dev)1286 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1287 {
1288 if ( map->handle && map->size )
1289 drm_ioremapfree(map);
1290 }
1291
1292 static __inline__ struct drm_local_map *
drm_core_findmap(struct drm_device * dev,unsigned long offset)1293 drm_core_findmap(struct drm_device *dev, unsigned long offset)
1294 {
1295 drm_local_map_t *map;
1296
1297 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
1298 TAILQ_FOREACH(map, &dev->maplist, link) {
1299 if (map->offset == offset)
1300 return map;
1301 }
1302 return NULL;
1303 }
1304
drm_core_dropmap(struct drm_map * map)1305 static __inline__ void drm_core_dropmap(struct drm_map *map)
1306 {
1307 }
1308
1309 #endif /* __KERNEL__ */
1310 #endif /* _DRM_P_H_ */
1311