drm: Add drm_clflush_virt_range()
[dragonfly.git] / sys / dev / drm / include / drm / drmP.h
CommitLineData
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1/**
2 * \file drmP.h
3 * Private header for Direct Rendering Manager
4 *
5 * \author Rickard E. (Rik) Faith <faith@valinux.com>
6 * \author Gareth Hughes <gareth@valinux.com>
7f3c3d6f 7 */
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8
9/*
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10 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
11 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
ad03d493 12 * Copyright (c) 2009-2010, Code Aurora Forum.
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13 * All rights reserved.
14 *
15 * Permission is hereby granted, free of charge, to any person obtaining a
16 * copy of this software and associated documentation files (the "Software"),
17 * to deal in the Software without restriction, including without limitation
18 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
19 * and/or sell copies of the Software, and to permit persons to whom the
20 * Software is furnished to do so, subject to the following conditions:
21 *
22 * The above copyright notice and this permission notice (including the next
23 * paragraph) shall be included in all copies or substantial portions of the
24 * Software.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
27 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
29 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
30 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
31 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
32 * OTHER DEALINGS IN THE SOFTWARE.
33 *
ad03d493 34 * $FreeBSD: head/sys/dev/drm2/drmP.h 255045 2013-08-29 23:09:34Z jkim $
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35 */
36
37#ifndef _DRM_P_H_
38#define _DRM_P_H_
39
40#if defined(_KERNEL) || defined(__KERNEL__)
41
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42#include <sys/param.h>
43#include <sys/queue.h>
44#include <sys/malloc.h>
45#include <sys/kernel.h>
5718399f 46#include <sys/ktr.h>
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47#include <sys/module.h>
48#include <sys/systm.h>
5718399f 49#include <sys/device.h>
99f70504 50#include <sys/sglist.h>
7f3c3d6f 51#include <sys/stat.h>
7f3c3d6f 52#include <sys/priv.h>
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53#include <sys/proc.h>
54#include <sys/lock.h>
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55#include <sys/spinlock.h>
56#include <sys/spinlock2.h>
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57#include <sys/fcntl.h>
58#include <sys/uio.h>
59#include <sys/filio.h>
60#include <sys/sysctl.h>
61#include <sys/bus.h>
5718399f 62#include <sys/queue.h>
7f3c3d6f 63#include <sys/signalvar.h>
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64#include <sys/poll.h>
65#include <sys/sbuf.h>
7f3c3d6f 66#include <sys/taskqueue.h>
5718399f 67#include <sys/tree.h>
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68#include <vm/vm.h>
69#include <vm/pmap.h>
70#include <vm/vm_extern.h>
99f70504 71#include <vm/vm_kern.h>
7f3c3d6f 72#include <vm/vm_map.h>
3f6063cc 73#include <vm/vm_object.h>
9477c573 74#include <vm/vm_page2.h>
99f70504 75#include <vm/vm_pager.h>
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76#include <vm/vm_param.h>
77#include <machine/param.h>
78#include <machine/pmap.h>
5718399f 79#if defined(__i386__) || defined(__amd64__)
b3705d71 80#include <machine/specialreg.h>
5718399f 81#endif
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82#include <machine/sysarch.h>
83#include <sys/endian.h>
84#include <sys/mman.h>
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85#include <sys/rman.h>
86#include <sys/memrange.h>
7f3c3d6f 87#include <dev/agp/agpvar.h>
b3705d71 88#include <sys/agpio.h>
5718399f 89#include <sys/mutex.h>
7f3c3d6f 90#include <bus/pci/pcivar.h>
b3705d71 91#include <bus/pci/pcireg.h>
5718399f 92
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93MALLOC_DECLARE(M_DRM);
94
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95#include <uapi_drm/drm.h>
96#include <uapi_drm/drm_sarea.h>
ad03d493 97
c4962bc9 98#include <linux/atomic.h>
a2fdbec6 99#include <linux/bug.h>
e3440f96 100#include <linux/err.h>
c7e1c9dd 101#include <linux/idr.h>
5af3f531 102#include <linux/pci.h>
a6f1bef2 103#include <linux/jiffies.h>
c4962bc9 104#include <linux/kernel.h>
7ed079a2 105#include <linux/kref.h>
2c13605e 106#include <linux/list.h>
33c8403b 107#include <linux/mm.h>
72c6c9b8 108#include <linux/moduleparam.h>
e3440f96 109#include <linux/mutex.h>
158486a6 110#include <linux/slab.h>
a2fdbec6 111#include <linux/scatterlist.h>
7ae74336 112#include <linux/timer.h>
4cdd475a 113#include <asm/io.h>
0552431f 114#include <linux/types.h>
a832fc0d 115#include <linux/wait.h>
a2fdbec6 116#include <linux/workqueue.h>
7ed079a2 117
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118#include <asm/uaccess.h>
119
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120struct drm_file;
121struct drm_device;
122
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123#include <drm/drm_os_linux.h>
124#include <drm/drm_hashtab.h>
125#include <drm/drm_mm.h>
5718399f 126
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127#define DRM_UT_CORE 0x01
128#define DRM_UT_DRIVER 0x02
129#define DRM_UT_KMS 0x04
130#define DRM_UT_PRIME 0x08
131
05eae42a 132#include "opt_drm.h"
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133#ifdef DRM_DEBUG
134#undef DRM_DEBUG
135#define DRM_DEBUG_DEFAULT_ON 1
136#endif /* DRM_DEBUG */
984263bc 137
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138#define DRM_DEBUGBITS_DEBUG 0x1
139#define DRM_DEBUGBITS_KMS 0x2
140#define DRM_DEBUGBITS_FAILED_IOCTL 0x4
141
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142#undef DRM_LINUX
143#define DRM_LINUX 0
144
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145/***********************************************************************/
146/** \name DRM template customization defaults */
147/*@{*/
148
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149/* driver capabilities and requirements mask */
150#define DRIVER_USE_AGP 0x1
151#define DRIVER_REQUIRE_AGP 0x2
152#define DRIVER_USE_MTRR 0x4
153#define DRIVER_PCI_DMA 0x8
154#define DRIVER_SG 0x10
155#define DRIVER_HAVE_DMA 0x20
156#define DRIVER_HAVE_IRQ 0x40
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157#define DRIVER_IRQ_SHARED 0x80
158#define DRIVER_IRQ_VBL 0x100
159#define DRIVER_DMA_QUEUE 0x200
160#define DRIVER_FB_DMA 0x400
161#define DRIVER_IRQ_VBL2 0x800
162#define DRIVER_GEM 0x1000
163#define DRIVER_MODESET 0x2000
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164#define DRIVER_PRIME 0x4000
165#define DRIVER_LOCKLESS_IRQ 0x8000
b3705d71 166
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167/***********************************************************************/
168/** \name Begin the DRM... */
169/*@{*/
b3705d71 170
79f713b0 171#define DRM_HASH_SIZE 16 /* Size of key hash table */
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172#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
173#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
174
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175#define DRM_GEM_MAPPING_MASK (3ULL << 62)
176#define DRM_GEM_MAPPING_KEY (2ULL << 62) /* Non-canonical address form */
177#define DRM_GEM_MAX_IDX 0x3fffff
178#define DRM_GEM_MAPPING_IDX(o) (((o) >> 40) & DRM_GEM_MAX_IDX)
179#define DRM_GEM_MAPPING_OFF(i) (((uint64_t)(i)) << 40)
180#define DRM_GEM_MAPPING_MAPOFF(o) \
181 ((o) & ~(DRM_GEM_MAPPING_OFF(DRM_GEM_MAX_IDX) | DRM_GEM_MAPPING_KEY))
182
5718399f 183SYSCTL_DECL(_hw_drm);
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184
185#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
186
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187/***********************************************************************/
188/** \name Internal types and structures */
189/*@{*/
190
c157ff7a 191#define DRM_ARRAY_SIZE(x) NELEM(x)
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192#define DRM_MIN(a,b) ((a)<(b)?(a):(b))
193#define DRM_MAX(a,b) ((a)>(b)?(a):(b))
194
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195#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
196
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197#define __OS_HAS_AGP 1
198
199#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
200#define DRM_DEV_UID 0
201#define DRM_DEV_GID 0
202
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203#define DRM_WAKEUP(w) wakeup((void *)w)
204#define DRM_WAKEUP_INT(w) wakeup(w)
205#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
206
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207#define DRM_CURPROC curthread
208#define DRM_STRUCTPROC struct thread
2d854e90 209#define DRM_CURRENTPID (curproc != NULL ? curproc->p_pid : -1)
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210#define DRM_LOCK(dev) lockmgr(&(dev)->struct_mutex, LK_EXCLUSIVE)
211#define DRM_UNLOCK(dev) lockmgr(&(dev)->struct_mutex, LK_RELEASE)
5718399f 212#define DRM_LOCK_SLEEP(dev, chan, flags, msg, timeout) \
a2fdbec6 213 (lksleep((chan), &(dev)->struct_mutex, (flags), (msg), (timeout)))
5718399f 214#if defined(INVARIANTS)
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215#define DRM_LOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->struct_mutex, curthread) != 0);
216#define DRM_UNLOCK_ASSERT(dev) KKASSERT(lockstatus(&(dev)->struct_mutex, curthread) == 0);
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217#else
218#define DRM_LOCK_ASSERT(d)
219#define DRM_UNLOCK_ASSERT(d)
220#endif
221
7f3c3d6f 222#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
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223
224#define DRM_IRQ_ARGS void *arg
225typedef void irqreturn_t;
226#define IRQ_HANDLED /* nothing */
227#define IRQ_NONE /* nothing */
228
229enum {
230 DRM_IS_NOT_AGP,
231 DRM_IS_AGP,
232 DRM_MIGHT_BE_AGP
233};
234#define DRM_AGP_MEM struct agp_memory_info
235
7f3c3d6f 236#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
7f3c3d6f 237
7f3c3d6f 238/* DRM_SUSER returns true if the user is superuser */
7f3c3d6f 239#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
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240#define DRM_AGP_FIND_DEVICE() agp_find_device()
241#define DRM_MTRR_WC MDF_WRITECOMBINE
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242
243/* DRM_READMEMORYBARRIER() prevents reordering of reads.
244 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
245 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
246 */
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247#define DRM_READMEMORYBARRIER() cpu_lfence()
248#define DRM_WRITEMEMORYBARRIER() cpu_sfence()
249#define DRM_MEMORYBARRIER() cpu_mfence()
7f3c3d6f 250
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251#define DRM_VERIFYAREA_READ( uaddr, size ) \
252 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
253
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254#define DRM_COPY_TO_USER(user, kern, size) \
255 copyout(kern, user, size)
256#define DRM_COPY_FROM_USER(kern, user, size) \
257 copyin(user, kern, size)
258#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
259 copyin(arg2, arg1, arg3)
260#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
261 copyout(arg2, arg1, arg3)
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262#define DRM_GET_USER_UNCHECKED(val, uaddr) \
263 ((val) = fuword32(uaddr), 0)
7f3c3d6f 264
ad03d493 265#define drm_can_sleep() (DRM_HZ & 1)
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266
267#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
268 (_map) = (_dev)->context_sareas[_ctx]; \
269} while(0)
270
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271#define LOCK_TEST_WITH_RETURN(dev, file_priv) \
272do { \
273 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
274 dev->lock.file_priv != file_priv) { \
275 DRM_ERROR("%s called without lock held\n", \
276 __FUNCTION__); \
277 return EINVAL; \
278 } \
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279} while (0)
280
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281/* Returns -errno to shared code */
282#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
7f3c3d6f 283for ( ret = 0 ; !ret && !(condition) ; ) { \
5718399f 284 DRM_UNLOCK(dev); \
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285 lwkt_serialize_enter(&dev->irq_lock); \
286 if (!(condition)) { \
ae8e83e6 287 tsleep_interlock(&(queue), PCATCH); \
b3705d71 288 lwkt_serialize_exit(&dev->irq_lock); \
d9345d3a 289 ret = -tsleep(&(queue), PCATCH | PINTERLOCKED, \
b3705d71 290 "drmwtq", (timeout)); \
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291 } else { \
292 lwkt_serialize_exit(&dev->irq_lock); \
293 } \
294 DRM_LOCK(dev); \
7f3c3d6f 295}
7f3c3d6f 296
7f3c3d6f 297__inline static void
5718399f 298vm_page_unhold_pages(vm_page_t *ma, int count)
7f3c3d6f 299{
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300 int i;
301
302 for (i = 0; i < count; i++)
303 vm_page_unhold(ma[i]);
7f3c3d6f 304}
984263bc 305
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306int vm_phys_fictitious_reg_range(vm_paddr_t start, vm_paddr_t end,
307 vm_memattr_t memattr);
308void vm_phys_fictitious_unreg_range(vm_paddr_t start, vm_paddr_t end);
309vm_page_t vm_phys_fictitious_to_vm_page(vm_paddr_t pa);
5718399f 310
b3705d71 311#define DRM_ERROR(fmt, ...) \
5718399f 312 kprintf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
b3705d71 313 DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
7f3c3d6f 314
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315#define DRM_INFO(fmt, ...) kprintf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
316
b3705d71 317#define DRM_DEBUG(fmt, ...) do { \
1d5dd71d 318 if ((drm_debug & DRM_DEBUGBITS_DEBUG) != 0) \
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319 kprintf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
320 __func__ , ##__VA_ARGS__); \
321} while (0)
322
323#define DRM_DEBUG_KMS(fmt, ...) do { \
1d5dd71d 324 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \
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325 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
326 __func__ , ##__VA_ARGS__); \
327} while (0)
328
329#define DRM_DEBUG_DRIVER(fmt, ...) do { \
1d5dd71d 330 if ((drm_debug & DRM_DEBUGBITS_KMS) != 0) \
5718399f 331 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID,\
b3705d71 332 __func__ , ##__VA_ARGS__); \
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333} while (0)
334
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335#define DRM_LOG_KMS(fmt, ...) do { \
336 kprintf("[" DRM_NAME ":KMS:pid%d:%s] " fmt, DRM_CURRENTPID, \
337 __func__ , ##__VA_ARGS__); \
338} while (0)
339
ad03d493 340#define dev_dbg(dev, fmt, ...) do { \
1d5dd71d 341 if ((drm_debug& DRM_DEBUGBITS_KMS) != 0) { \
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342 device_printf((dev), "debug: " fmt, ## __VA_ARGS__); \
343 } \
344} while (0)
345
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346typedef struct drm_pci_id_list
347{
348 int vendor;
349 int device;
350 long driver_private;
351 char *name;
352} drm_pci_id_list_t;
353
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354struct drm_msi_blacklist_entry
355{
356 int vendor;
357 int device;
358};
359
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360#define DRM_IOCTL_NR(n) ((n) & 0xff)
361
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362#define DRM_AUTH 0x1
363#define DRM_MASTER 0x2
364#define DRM_ROOT_ONLY 0x4
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365#define DRM_CONTROL_ALLOW 0x8
366#define DRM_UNLOCKED 0x10
367
984263bc 368typedef struct drm_ioctl_desc {
7f3c3d6f 369 unsigned long cmd;
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370 int (*func)(struct drm_device *dev, void *data,
371 struct drm_file *file_priv);
7f3c3d6f 372 int flags;
ad03d493 373 unsigned int cmd_drv;
984263bc 374} drm_ioctl_desc_t;
ad03d493 375
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376/**
377 * Creates a driver or general drm_ioctl_desc array entry for the given
378 * ioctl, for use by drm_ioctl().
379 */
380#define DRM_IOCTL_DEF(ioctl, func, flags) \
381 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
984263bc 382
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383#define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \
384 [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl}
385
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386typedef struct drm_magic_entry {
387 drm_magic_t magic;
388 struct drm_file *priv;
389 struct drm_magic_entry *next;
390} drm_magic_entry_t;
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391
392typedef struct drm_magic_head {
393 struct drm_magic_entry *head;
394 struct drm_magic_entry *tail;
395} drm_magic_head_t;
396
397typedef struct drm_buf {
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398 int idx; /**< Index into master buflist */
399 int total; /**< Buffer size */
400 int order; /**< log-base-2(total) */
401 int used; /**< Amount of buffer in use (for DMA) */
402 unsigned long offset; /**< Byte offset (used internally) */
403 void *address; /**< Address of buffer */
404 unsigned long bus_address; /**< Bus address of buffer */
405 struct drm_buf *next; /**< Kernel-only: used for free list */
406 __volatile__ int waiting; /**< On kernel DMA queue */
407 __volatile__ int pending; /**< On hardware DMA queue */
408 struct drm_file *file_priv; /**< Private of holding file descr */
409 int context; /**< Kernel queue for this buffer */
410 int while_locked; /**< Dispatch this buffer while locked */
984263bc 411 enum {
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412 DRM_LIST_NONE = 0,
413 DRM_LIST_FREE = 1,
414 DRM_LIST_WAIT = 2,
415 DRM_LIST_PEND = 3,
416 DRM_LIST_PRIO = 4,
984263bc 417 DRM_LIST_RECLAIM = 5
ad03d493 418 } list; /**< Which list we're on */
984263bc 419
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420 int dev_priv_size; /**< Size of buffer private storage */
421 void *dev_private; /**< Per-buffer private storage */
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422} drm_buf_t;
423
a832fc0d 424struct drm_freelist {
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425 int initialized; /* Freelist in use */
426 atomic_t count; /* Number of free buffers */
427 drm_buf_t *next; /* End pointer */
428
a832fc0d 429 wait_queue_head_t waiting; /**< Processes waiting on free bufs */
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430 int low_mark; /* Low water mark */
431 int high_mark; /* High water mark */
a832fc0d 432};
984263bc 433
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434typedef struct drm_dma_handle {
435 void *vaddr;
436 bus_addr_t busaddr;
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437 bus_dma_tag_t tag;
438 bus_dmamap_t map;
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439} drm_dma_handle_t;
440
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441typedef struct drm_buf_entry {
442 int buf_size;
443 int buf_count;
444 drm_buf_t *buflist;
445 int seg_count;
7f3c3d6f 446 drm_dma_handle_t **seglist;
984263bc 447 int page_order;
984263bc 448
a832fc0d 449 struct drm_freelist freelist;
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450} drm_buf_entry_t;
451
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452/* Event queued up for userspace to read */
453struct drm_pending_event {
454 struct drm_event *event;
455 struct list_head link;
456 struct drm_file *file_priv;
457 pid_t pid; /* pid of requester, no guarantee it's valid by the time
458 we deliver the event, for tracing only */
459 void (*destroy)(struct drm_pending_event *event);
460};
461
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462/* initial implementaton using a linked list - todo hashtab */
463struct drm_prime_file_private {
464 struct list_head head;
465#ifdef DUMBBELL_WIP
466 struct mutex lock;
467#endif /* DUMBBELL_WIP */
468};
469
1610a1a0 470/** File private data */
984263bc 471struct drm_file {
1610a1a0 472 int authenticated;
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473 struct drm_device *dev;
474 int master;
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475 pid_t pid;
476 uid_t uid;
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477 drm_magic_t magic;
478 unsigned long ioctl_count;
1610a1a0 479 struct list_head lhead;
ac145779 480 struct kqinfo dkq;
5718399f 481
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482 /** Mapping of mm object handles to object pointers. */
483 struct idr object_idr;
484 /** Lock for synchronization of access to object_idr. */
98a11977 485 struct lock table_lock;
c7e1c9dd 486
79f713b0 487 void *driver_priv;
5718399f 488
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489 int is_master;
490 struct drm_master *masterp;
5718399f 491
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492 /**
493 * fbs - List of framebuffers associated with this file.
494 *
495 * Protected by fbs_lock. Note that the fbs list holds a reference on
496 * the fb object to prevent it from untimely disappearing.
497 */
498 struct list_head fbs;
499 struct lock fbs_lock;
5718399f 500
a832fc0d 501 wait_queue_head_t event_wait;
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502 struct list_head event_list;
503 int event_space;
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504
505 struct drm_prime_file_private prime;
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506};
507
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508/**
509 * Lock data.
510 */
511struct drm_lock_data {
512 struct drm_hw_lock *hw_lock; /**< Hardware lock */
513 /** Private of lock holder's file (NULL=kernel) */
514 struct drm_file *file_priv;
515 wait_queue_head_t lock_queue; /**< Queue of blocked processes */
516 unsigned long lock_time; /**< Time of last lock in jiffies */
517};
984263bc 518
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519/* This structure, in the struct drm_device, is always initialized while the
520 * device
521 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
522 * when set marks that no further bufs may be allocated until device teardown
523 * occurs (when the last open of the device has closed). The high/low
524 * watermarks of bufs are only touched by the X Server, and thus not
525 * concurrently accessed, so no locking is needed.
7f3c3d6f 526 */
984263bc 527typedef struct drm_device_dma {
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528
529 struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */
530 int buf_count; /**< total number of buffers */
531 struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */
532 int seg_count;
533 int page_count; /**< number of pages */
534 unsigned long *pagelist; /**< page list */
535 unsigned long byte_count;
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536 enum {
537 _DRM_DMA_USE_AGP = 0x01,
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538 _DRM_DMA_USE_SG = 0x02,
539 _DRM_DMA_USE_FB = 0x04,
540 _DRM_DMA_USE_PCI_RO = 0x08
984263bc 541 } flags;
ad03d493 542
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543} drm_device_dma_t;
544
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545typedef struct drm_agp_mem {
546 void *handle;
547 unsigned long bound; /* address */
548 int pages;
549 struct drm_agp_mem *prev;
550 struct drm_agp_mem *next;
551} drm_agp_mem_t;
552
553typedef struct drm_agp_head {
554 device_t agpdev;
9d567857 555 struct agp_info agp_info;
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556 const char *chipset;
557 drm_agp_mem_t *memory;
558 unsigned long mode;
559 int enabled;
560 int acquired;
561 unsigned long base;
9d567857 562 int agp_mtrr;
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563 int cant_use_aperture;
564 unsigned long page_mask;
565} drm_agp_head_t;
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566
567typedef struct drm_sg_mem {
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568 vm_offset_t vaddr;
569 vm_paddr_t *busaddr;
570 vm_pindex_t pages;
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571} drm_sg_mem_t;
572
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573/**
574 * Kernel side of a mapping
575 */
576struct drm_local_map {
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577 resource_size_t offset; /**< Requested physical address (0 for SAREA)*/
578 unsigned long size; /**< Requested physical size (bytes) */
579 enum drm_map_type type; /**< Type of memory to map */
580 enum drm_map_flags flags; /**< Flags */
581 void *handle; /**< User-space: "Handle" to pass to mmap() */
582 /**< Kernel-space: kernel-virtual address */
583 int mtrr; /**< MTRR slot used */
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584};
585
586typedef struct drm_local_map drm_local_map_t;
587
588/**
589 * Mappings list
590 */
591struct drm_map_list {
592 struct list_head head; /**< list head */
593 struct drm_hash_item hash;
594 struct drm_local_map *map; /**< mapping */
595 uint64_t user_token;
596 struct drm_master *master;
597 struct drm_mm_node *file_offset_node; /**< fake offset */
598};
984263bc 599
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600/**
601 * Context handle list
602 */
603struct drm_ctx_list {
604 struct list_head head; /**< list head */
605 drm_context_t handle; /**< context handle */
606 struct drm_file *tag; /**< associated fd private data */
607};
608
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609struct drm_vblank_info {
610 wait_queue_head_t queue; /* vblank wait queue */
611 atomic_t count; /* number of VBLANK interrupts */
612 /* (driver must alloc the right number of counters) */
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613 atomic_t refcount; /* number of users of vblank interrupts */
614 u32 last; /* protected by dev->vbl_lock, used */
615 /* for wraparound handling */
616 int enabled; /* so we don't call enable more than */
617 /* once per disable */
618 int inmodeset; /* Display driver is setting mode */
619};
620
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621/* location of GART table */
622#define DRM_ATI_GART_MAIN 1
623#define DRM_ATI_GART_FB 2
624
ad03d493 625#define DRM_ATI_GART_PCI 1
7f3c3d6f 626#define DRM_ATI_GART_PCIE 2
ad03d493 627#define DRM_ATI_GART_IGP 3
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628
629struct drm_ati_pcigart_info {
630 int gart_table_location;
631 int gart_reg_if;
632 void *addr;
633 dma_addr_t bus_addr;
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634 dma_addr_t table_mask;
635 dma_addr_t member_mask;
636 struct drm_dma_handle *table_handle;
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637 drm_local_map_t mapping;
638 int table_size;
b3705d71 639 struct drm_dma_handle *dmah; /* handle for ATI PCIGART table */
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640};
641
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642/**
643 * GEM specific mm private for tracking GEM objects
644 */
645struct drm_gem_mm {
646 struct drm_open_hash offset_hash; /**< User token hash table for maps */
647 struct unrhdr *idxunr;
648};
649
650struct drm_gem_object {
651 /** Reference count of this object */
7ed079a2 652 struct kref refcount;
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653
654 /** Handle count of this object. Each handle also holds a reference */
e3b244c9 655 atomic_t handle_count; /* number of handles on this object */
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656
657 /** Related drm device */
658 struct drm_device *dev;
659
660 /** File representing the shmem storage: filp in Linux parlance */
661 vm_object_t vm_obj;
662
663 bool on_map;
664 struct drm_hash_item map_list;
665
666 /**
667 * Size of the object, in bytes. Immutable over the object's
668 * lifetime.
669 */
670 size_t size;
671
672 /**
673 * Global name for this object, starts at 1. 0 means unnamed.
674 * Access is covered by the object_name_lock in the related drm_device
675 */
676 int name;
677
678 /**
679 * Memory domains. These monitor which caches contain read/write data
680 * related to the object. When transitioning from one set of domains
681 * to another, the driver is called to ensure that caches are suitably
682 * flushed and invalidated
683 */
684 uint32_t read_domains;
685 uint32_t write_domain;
686
687 /**
688 * While validating an exec operation, the
689 * new read/write domain values are computed here.
690 * They will be transferred to the above values
691 * at the point that any cache flushing occurs
692 */
693 uint32_t pending_read_domains;
694 uint32_t pending_write_domain;
695
696 void *driver_private;
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697
698#ifdef DUMBBELL_WIP
699 /* dma buf exported from this GEM object */
700 struct dma_buf *export_dma_buf;
701
702 /* dma buf attachment backing this object */
703 struct dma_buf_attachment *import_attach;
704#endif /* DUMBBELL_WIP */
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705};
706
707#include "drm_crtc.h"
708
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709/* per-master structure */
710struct drm_master {
711
7ed079a2 712 struct kref refcount; /* refcount for this master */
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713
714 struct list_head head; /**< each minor contains a list of masters */
715 struct drm_minor *minor; /**< link back to minor we are a master for */
716
717 char *unique; /**< Unique identifier: e.g., busid */
718 int unique_len; /**< Length of unique field */
719 int unique_size; /**< amount allocated */
720
721 int blocked; /**< Blocked due to VC switch? */
722
723 /** \name Authentication */
724 /*@{ */
725 struct drm_open_hash magiclist;
726 struct list_head magicfree;
727 /*@} */
728
729 struct drm_lock_data lock; /**< Information on hardware lock */
730
731 void *driver_priv; /**< Private structure for driver to use */
732};
733
734/* Size of ringbuffer for vblank timestamps. Just double-buffer
735 * in initial implementation.
736 */
737#define DRM_VBLANKTIME_RBSIZE 2
738
739/* Flags and return codes for get_vblank_timestamp() driver function. */
740#define DRM_CALLED_FROM_VBLIRQ 1
741#define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
742#define DRM_VBLANKTIME_INVBL (1 << 1)
743
744/* get_scanout_position() return flags */
745#define DRM_SCANOUTPOS_VALID (1 << 0)
746#define DRM_SCANOUTPOS_INVBL (1 << 1)
747#define DRM_SCANOUTPOS_ACCURATE (1 << 2)
748
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749#ifndef DMA_BIT_MASK
750#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
751#endif
752
753#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
754
9a567f76 755struct drm_driver {
7f3c3d6f 756 int (*load)(struct drm_device *, unsigned long flags);
6f486c69 757 int (*use_msi)(struct drm_device *, unsigned long flags);
7f3c3d6f 758 int (*firstopen)(struct drm_device *);
b3705d71 759 int (*open)(struct drm_device *, struct drm_file *);
7f3c3d6f 760 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
b3705d71 761 void (*postclose)(struct drm_device *, struct drm_file *);
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762 void (*lastclose)(struct drm_device *);
763 int (*unload)(struct drm_device *);
764 void (*reclaim_buffers_locked)(struct drm_device *,
765 struct drm_file *file_priv);
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766 int (*dma_ioctl)(struct drm_device *dev, void *data,
767 struct drm_file *file_priv);
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768 void (*dma_ready)(struct drm_device *);
769 int (*dma_quiescent)(struct drm_device *);
770 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
b3705d71 771 enum drm_lock_flags flags);
7f3c3d6f 772 int (*dma_flush_unblock)(struct drm_device *, int context,
b3705d71 773 enum drm_lock_flags flags);
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774 int (*context_ctor)(struct drm_device *dev, int context);
775 int (*context_dtor)(struct drm_device *dev, int context);
776 int (*kernel_context_switch)(struct drm_device *dev, int old,
777 int new);
778 int (*kernel_context_switch_unlock)(struct drm_device *dev);
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779 void (*irq_preinstall)(struct drm_device *dev);
780 int (*irq_postinstall)(struct drm_device *dev);
781 void (*irq_uninstall)(struct drm_device *dev);
7f3c3d6f 782 void (*irq_handler)(DRM_IRQ_ARGS);
5718399f 783
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784 u32 (*get_vblank_counter)(struct drm_device *dev, int crtc);
785 int (*enable_vblank)(struct drm_device *dev, int crtc);
786 void (*disable_vblank)(struct drm_device *dev, int crtc);
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787 int (*get_scanout_position)(struct drm_device *dev, int crtc,
788 int *vpos, int *hpos);
789
790 int (*get_vblank_timestamp)(struct drm_device *dev, int crtc,
791 int *max_error, struct timeval *vblank_time,
792 unsigned flags);
793
794 int (*gem_init_object)(struct drm_gem_object *obj);
795 void (*gem_free_object)(struct drm_gem_object *obj);
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796 int (*gem_open_object)(struct drm_gem_object *, struct drm_file *);
797 void (*gem_close_object)(struct drm_gem_object *, struct drm_file *);
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798
799 struct cdev_pager_ops *gem_pager_ops;
800
801 int (*dumb_create)(struct drm_file *file_priv,
802 struct drm_device *dev, struct drm_mode_create_dumb *args);
803 int (*dumb_map_offset)(struct drm_file *file_priv,
804 struct drm_device *dev, uint32_t handle, uint64_t *offset);
805 int (*dumb_destroy)(struct drm_file *file_priv,
806 struct drm_device *dev, uint32_t handle);
807
808 int (*sysctl_init)(struct drm_device *dev,
809 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
810 void (*sysctl_cleanup)(struct drm_device *dev);
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811
812 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
813
814 /**
815 * Called by \c drm_device_is_agp. Typically used to determine if a
816 * card is really attached to AGP or not.
817 *
818 * \param dev DRM device handle
819 *
ad03d493 820 * \returns
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821 * One of three values is returned depending on whether or not the
822 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
823 * (return of 1), or may or may not be AGP (return of 2).
824 */
825 int (*device_is_agp) (struct drm_device * dev);
826
827 drm_ioctl_desc_t *ioctls;
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828#ifdef COMPAT_FREEBSD32
829 drm_ioctl_desc_t *compat_ioctls;
830 int *compat_ioctls_nr;
831#endif
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832
833 int buf_priv_size;
834
835 int major;
836 int minor;
837 int patchlevel;
838 const char *name; /* Simple driver name */
839 const char *desc; /* Longer driver name */
840 const char *date; /* Date of last major changes. */
841
b3705d71 842 u32 driver_features;
8e6138a1 843 int num_ioctls;
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844};
845
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846/**
847 * DRM minor structure. This structure represents a drm minor number.
848 */
849struct drm_minor {
850 int index; /**< Minor device number */
851 int type; /**< Control or render */
852 device_t kdev; /**< OS device */
853 struct drm_device *dev;
854
855 struct drm_master *master; /* currently active master for this node */
856 struct list_head master_list;
857 struct drm_mode_group mode_group;
858};
859
860/* mode specified on the command line */
861struct drm_cmdline_mode {
862 bool specified;
863 bool refresh_specified;
864 bool bpp_specified;
865 int xres, yres;
866 int bpp;
867 int refresh;
868 bool rb;
869 bool interlace;
870 bool cvt;
871 bool margins;
872 enum drm_connector_force force;
873};
874
ad03d493 875
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876struct drm_pending_vblank_event {
877 struct drm_pending_event base;
878 int pipe;
879 struct drm_event_vblank event;
880};
881
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882struct drm_sysctl_info {
883 struct sysctl_ctx_list ctx;
884 char name[2];
885};
886
7f3c3d6f 887/* Length for the array of resource pointers for drm_get_resource_*. */
b3705d71 888#define DRM_MAX_PCI_RESOURCE 6
7f3c3d6f 889
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890/**
891 * DRM device structure. This structure represent a complete card that
892 * may contain multiple heads.
7f3c3d6f 893 */
984263bc 894struct drm_device {
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895 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
896
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897 uint16_t pci_subdevice; /* PCI subsystem device id */
898 uint16_t pci_subvendor; /* PCI subsystem vendor id */
7f3c3d6f 899
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900 char *unique; /* Unique identifier: e.g., busid */
901 int unique_len; /* Length of unique field */
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902 struct cdev *devnode; /* Device number for mknod */
903 int if_version; /* Highest interface version set */
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904
905 int flags; /* Flags to open(2) */
906
907 /* Locks */
ad03d493 908 struct spinlock dma_lock; /* protects dev->dma */
7f3c3d6f 909 struct lwkt_serialize irq_lock; /* protects irq condition checks */
5718399f 910 struct lock dev_lock; /* protects everything else */
7f3c3d6f 911
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912 /** \name Locks */
913 /*@{ */
914 struct lock struct_mutex; /**< For others */
915 /*@} */
916
917 /** \name Usage Counters */
918 /*@{ */
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919 int open_count; /* Outstanding files open */
920 int buf_use; /* Buffers in use -- cannot alloc */
5c002123 921 /*@} */
984263bc 922
79f713b0 923
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924 /** \name Performance counters */
925 /*@{ */
984263bc 926 unsigned long counters;
b3705d71 927 enum drm_stat_type types[15];
984263bc 928 atomic_t counts[15];
5c002123 929 /*@} */
984263bc 930
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931 /* Authentication */
932 drm_magic_head_t magiclist[DRM_HASH_SIZE];
933
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934 struct list_head filelist;
935
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936 /** \name Memory management */
937 /*@{ */
938 struct list_head maplist; /**< Linked list of regions */
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939 int map_count; /**< Number of mappable regions */
940 struct drm_open_hash map_hash; /**< User token hash table for maps */
984263bc 941
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942 /** \name Context handle management */
943 /*@{ */
944 struct list_head ctxlist; /**< Linked list of context handles */
945 int ctx_count; /**< Number of context handles */
946 struct lock ctxlist_mutex; /**< For ctxlist */
947
948 struct idr ctx_idr;
949
950 /*@} */
984263bc 951
79f713b0 952 struct drm_lock_data lock; /* Information on hardware lock */
984263bc 953
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954 /* DMA queues (contexts) */
955 drm_device_dma_t *dma; /* Optional pointer for DMA support */
984263bc 956
984263bc 957 int irq; /* Interrupt used by board */
b3705d71 958 int msi_enabled; /* MSI enabled */
7f3c3d6f 959 int irqrid; /* Interrupt used by board */
984263bc 960 struct resource *irqr; /* Resource for interrupt used by board */
984263bc 961 void *irqh; /* Handle from bus_setup_intr */
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962
963 /* Storage of resource pointers for drm_get_resource_* */
964 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
965 int pcirid[DRM_MAX_PCI_RESOURCE];
966
967 int pci_domain;
968 int pci_bus;
969 int pci_slot;
970 int pci_func;
971
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972 /** \name Context support */
973 /*@{ */
974 int irq_enabled; /**< True if irq handler is enabled */
975 __volatile__ long context_flag; /**< Context swapping flag */
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976 __volatile__ long interrupt_flag; /**< Interruption handler flag */
977 __volatile__ long dma_flag; /**< DMA dispatch flag */
978 wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */
979 int last_checked; /**< Last context checked for DMA */
79f713b0 980 int last_context; /**< Last current context */
8b59d098 981 unsigned long last_switch; /**< jiffies at last context switch */
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982 /*@} */
983
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984 int num_crtcs;
985
984263bc 986 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
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987
988 /* Sysctl support */
989 struct drm_sysctl_info *sysctl;
5718399f 990 int sysctl_node_idx;
984263bc 991
6df74fa7 992
984263bc 993 drm_sg_mem_t *sg; /* Scatter gather memory */
6f486c69 994 unsigned long *ctx_bitmap;
984263bc 995 void *dev_private;
5718399f 996
6f486c69 997 void *drm_ttm_bdev;
5718399f 998
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999 /*
1000 * At load time, disabling the vblank interrupt won't be allowed since
1001 * old clients may not call the modeset ioctl and therefore misbehave.
1002 * Once the modeset ioctl *has* been called though, we can safely
1003 * disable them when unused.
1004 */
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1005 int vblank_disable_allowed;
1006
7ae74336 1007 wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */
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1008 atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
1009 struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */
1010 struct lock vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
1011 struct lock vbl_lock;
1012 atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */
1013 u32 *last_vblank; /* protected by dev->vbl_lock, used */
1014 /* for wraparound handling */
1015 int *vblank_enabled; /* so we don't call enable more than
1016 once per disable */
1017 int *vblank_inmodeset; /* Display driver is setting mode */
1018 u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */
7ae74336 1019 struct timer_list vblank_disable_timer;
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1020
1021 u32 max_vblank_count; /**< size of vblank counter register */
1022
7ae74336
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1023 /**
1024 * List of events
1025 */
5718399f 1026 struct list_head vblank_event_list;
ad03d493 1027 struct lock event_lock;
5718399f 1028
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1029 /*@} */
1030
1031 struct drm_agp_head *agp; /**< AGP data */
1032
1033 struct device *dev; /**< Device structure */
1034 struct pci_dev *pdev; /**< PCI device structure */
1035 int pci_vendor; /**< PCI vendor id */
1036 int pci_device; /**< PCI device id */
1037
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1038 struct drm_driver *driver;
1039 struct drm_local_map *agp_buffer_map;
1040 unsigned int agp_buffer_token;
1041 struct drm_minor *control; /**< Control node for card */
1042 struct drm_minor *primary; /**< render type primary screen head */
5718399f 1043
6df74fa7 1044 struct drm_mode_config mode_config; /**< Current mode config */
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1045
1046 /** \name GEM information */
1047 /*@{ */
98a11977 1048 struct lock object_name_lock;
c7e1c9dd
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1049 struct idr object_name_idr;
1050 /*@} */
1051 void *mm_private;
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1052
1053 void *sysctl_private;
1054 char busid_str[128];
1055 int modesetting;
ad03d493
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1056
1057 int switch_power_state;
7f3c3d6f 1058};
984263bc 1059
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1060#define DRM_SWITCH_POWER_ON 0
1061#define DRM_SWITCH_POWER_OFF 1
1062#define DRM_SWITCH_POWER_CHANGING 2
1063
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1064static __inline__ int drm_core_check_feature(struct drm_device *dev,
1065 int feature)
1066{
1067 return ((dev->driver->driver_features & feature) ? 1 : 0);
1068}
1069
1070#if __OS_HAS_AGP
1071static inline int drm_core_has_AGP(struct drm_device *dev)
1072{
1073 return drm_core_check_feature(dev, DRIVER_USE_AGP);
1074}
1075#else
1076#define drm_core_has_AGP(dev) (0)
1077#endif
1078
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1079enum dmi_field {
1080 DMI_NONE,
1081 DMI_BIOS_VENDOR,
1082 DMI_BIOS_VERSION,
1083 DMI_BIOS_DATE,
1084 DMI_SYS_VENDOR,
1085 DMI_PRODUCT_NAME,
1086 DMI_PRODUCT_VERSION,
1087 DMI_PRODUCT_SERIAL,
1088 DMI_PRODUCT_UUID,
1089 DMI_BOARD_VENDOR,
1090 DMI_BOARD_NAME,
1091 DMI_BOARD_VERSION,
1092 DMI_BOARD_SERIAL,
1093 DMI_BOARD_ASSET_TAG,
1094 DMI_CHASSIS_VENDOR,
1095 DMI_CHASSIS_TYPE,
1096 DMI_CHASSIS_VERSION,
1097 DMI_CHASSIS_SERIAL,
1098 DMI_CHASSIS_ASSET_TAG,
1099 DMI_STRING_MAX,
1100};
1101
1102struct dmi_strmatch {
1103 unsigned char slot;
1104 char substr[79];
1105};
1106
1107struct dmi_system_id {
1108 int (*callback)(const struct dmi_system_id *);
1109 const char *ident;
1110 struct dmi_strmatch matches[4];
1111};
1112#define DMI_MATCH(a, b) {(a), (b)}
1113bool dmi_check_system(const struct dmi_system_id *);
1114
5718399f 1115extern int drm_notyet_flag;
79f713b0 1116extern int drm_debug;
1d5dd71d 1117
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1118extern unsigned int drm_vblank_offdelay;
1119extern unsigned int drm_timestamp_precision;
6e29dde8 1120extern unsigned int drm_timestamp_monotonic;
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HT
1121
1122/* Device setup support (drm_drv.c) */
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1123int drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
1124int drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
5718399f 1125int drm_create_cdevs(device_t kdev);
d0cc45b6 1126
7f3c3d6f 1127d_ioctl_t drm_ioctl;
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1128extern int drm_lastclose(struct drm_device *dev);
1129
1130 /* Device support (drm_fops.h) */
7f3c3d6f 1131d_open_t drm_open;
2c845b81 1132d_close_t drm_close;
7f3c3d6f 1133d_read_t drm_read;
3694ee49 1134d_kqfilter_t drm_kqfilter;
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FT
1135int drm_release(device_t kdev);
1136
7f3c3d6f 1137d_mmap_t drm_mmap;
5718399f 1138d_mmap_single_t drm_mmap_single;
b3705d71 1139extern drm_local_map_t *drm_getsarea(struct drm_device *dev);
7f3c3d6f 1140
3994a83e
MP
1141void drm_cdevpriv_dtor(void *cd);
1142
5718399f
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1143void drm_event_wakeup(struct drm_pending_event *e);
1144
1145int drm_add_busid_modesetting(struct drm_device *dev,
1146 struct sysctl_ctx_list *ctx, struct sysctl_oid *top);
1147
7f3c3d6f 1148/* File operations helpers (drm_fops.c) */
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1149extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
1150 DRM_STRUCTPROC *p,
1151 struct drm_device *dev,
1152 struct file *fp);
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1153extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev,
1154 DRM_STRUCTPROC *p);
7f3c3d6f 1155
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FT
1156#ifdef DUMBBELL_WIP
1157extern int drm_gem_prime_handle_to_fd(struct drm_device *dev,
1158 struct drm_file *file_priv, uint32_t handle, uint32_t flags,
1159 int *prime_fd);
1160extern int drm_gem_prime_fd_to_handle(struct drm_device *dev,
1161 struct drm_file *file_priv, int prime_fd, uint32_t *handle);
1162
1163extern int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
1164 struct drm_file *file_priv);
1165extern int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
1166 struct drm_file *file_priv);
1167
1168#ifdef DUMBBELL_WIP
1169/*
1170 * See drm_prime.c
1171 * -- dumbbell@
1172 */
1173extern int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, vm_page_t *pages,
1174 dma_addr_t *addrs, int max_pages);
1175#endif /* DUMBBELL_WIP */
1176extern struct sg_table *drm_prime_pages_to_sg(vm_page_t *pages, int nr_pages);
1177extern void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
1178
1179
1180void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
1181void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
1182int drm_prime_add_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle);
1183int drm_prime_lookup_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t *handle);
1184void drm_prime_remove_imported_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf);
1185
1186int drm_prime_add_dma_buf(struct drm_device *dev, struct drm_gem_object *obj);
1187int drm_prime_lookup_obj(struct drm_device *dev, struct dma_buf *buf,
1188 struct drm_gem_object **obj);
1189#endif /* DUMBBELL_WIP */
1190
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HT
1191/* Memory management support (drm_memory.c) */
1192void drm_mem_init(void);
1193void drm_mem_uninit(void);
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1194void *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
1195void *drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
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1196void drm_ioremapfree(drm_local_map_t *map);
1197int drm_mtrr_add(unsigned long offset, size_t size, int flags);
1198int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
1199
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1200int drm_ctxbitmap_init(struct drm_device *dev);
1201void drm_ctxbitmap_cleanup(struct drm_device *dev);
1202void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
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1203
1204/* Locking IOCTL support (drm_lock.c) */
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1205int drm_lock_take(struct drm_lock_data *lock_data,
1206 unsigned int context);
1207int drm_lock_transfer(struct drm_lock_data *lock_data,
1208 unsigned int context);
1209int drm_lock_free(struct drm_lock_data *lock_data,
1210 unsigned int context);
984263bc 1211
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FT
1212/*
1213 * These are exported to drivers so that they can implement fencing using
1214 * DMA quiscent + idle. DMA quiescent usually requires the hardware lock.
1215 */
1216
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1217unsigned long drm_get_resource_start(struct drm_device *dev,
1218 unsigned int resource);
1219unsigned long drm_get_resource_len(struct drm_device *dev,
1220 unsigned int resource);
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FT
1221void drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
1222int drm_order(unsigned long size);
b3705d71 1223int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
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1224int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
1225extern int drm_addmap(struct drm_device *dev, resource_size_t offset,
1226 unsigned int size, enum drm_map_type type,
1227 enum drm_map_flags flags, struct drm_local_map **map_ptr);
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HT
1228
1229/* DMA support (drm_dma.c) */
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1230int drm_dma_setup(struct drm_device *dev);
1231void drm_dma_takedown(struct drm_device *dev);
1232void drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
1233void drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
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1234#define drm_core_reclaim_buffers drm_reclaim_buffers
1235
23e16760 1236 /* IRQ support (drm_irq.h) */
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1237int drm_irq_install(struct drm_device *dev);
1238int drm_irq_uninstall(struct drm_device *dev);
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1239void drm_driver_irq_preinstall(struct drm_device *dev);
1240void drm_driver_irq_postinstall(struct drm_device *dev);
1241void drm_driver_irq_uninstall(struct drm_device *dev);
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1242
1243void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);
1244void drm_vblank_post_modeset(struct drm_device *dev, int crtc);
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1245int drm_modeset_ctl(struct drm_device *dev, void *data,
1246 struct drm_file *file_priv);
7f3c3d6f 1247
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1248extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
1249extern int drm_wait_vblank(struct drm_device *dev, void *data,
1250 struct drm_file *filp);
1251extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
1252extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
1253extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc,
1254 struct timeval *vblanktime);
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1255extern void drm_send_vblank_event(struct drm_device *dev, int crtc,
1256 struct drm_pending_vblank_event *e);
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1257extern bool drm_handle_vblank(struct drm_device *dev, int crtc);
1258void drm_handle_vblank_events(struct drm_device *dev, int crtc);
1259extern int drm_vblank_get(struct drm_device *dev, int crtc);
1260extern void drm_vblank_put(struct drm_device *dev, int crtc);
1261extern void drm_vblank_off(struct drm_device *dev, int crtc);
1262extern void drm_vblank_cleanup(struct drm_device *dev);
1263extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
1264 struct timeval *tvblank, unsigned flags);
1265extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
1266 int crtc, int *max_error,
1267 struct timeval *vblank_time,
1268 unsigned flags,
1269 struct drm_crtc *refcrtc);
1270extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
1271
7f3c3d6f 1272/* AGP/PCI Express/GART support (drm_agpsupport.c) */
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1273int drm_device_is_agp(struct drm_device *dev);
1274int drm_device_is_pcie(struct drm_device *dev);
7f3c3d6f 1275drm_agp_head_t *drm_agp_init(void);
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1276int drm_agp_acquire(struct drm_device *dev);
1277int drm_agp_release(struct drm_device *dev);
1278int drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
1279int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
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1280void *drm_agp_allocate_memory(size_t pages, u32 type);
1281int drm_agp_free_memory(void *handle);
1282int drm_agp_bind_memory(void *handle, off_t start);
1283int drm_agp_unbind_memory(void *handle);
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1284int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
1285int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
1286int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
1287int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
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1288
1289/* Scatter Gather Support (drm_scatter.c) */
1290void drm_sg_cleanup(drm_sg_mem_t *entry);
b3705d71 1291int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
7f3c3d6f 1292
7f3c3d6f 1293/* sysctl support (drm_sysctl.h) */
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1294extern int drm_sysctl_init(struct drm_device *dev);
1295extern int drm_sysctl_cleanup(struct drm_device *dev);
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1296
1297/* ATI PCIGART support (ati_pcigart.c) */
b3705d71 1298int drm_ati_pcigart_init(struct drm_device *dev,
7f3c3d6f 1299 struct drm_ati_pcigart_info *gart_info);
b3705d71 1300int drm_ati_pcigart_cleanup(struct drm_device *dev,
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1301 struct drm_ati_pcigart_info *gart_info);
1302
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1303/* Cache management (drm_memory.c) */
1304void drm_clflush_pages(vm_page_t *pages, unsigned long num_pages);
1305
7f3c3d6f 1306/* Locking IOCTL support (drm_drv.c) */
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1307int drm_lock(struct drm_device *dev, void *data,
1308 struct drm_file *file_priv);
1309int drm_unlock(struct drm_device *dev, void *data,
1310 struct drm_file *file_priv);
1311int drm_version(struct drm_device *dev, void *data,
1312 struct drm_file *file_priv);
1313int drm_setversion(struct drm_device *dev, void *data,
1314 struct drm_file *file_priv);
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1315
1316/* Misc. IOCTL support (drm_ioctl.c) */
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1317int drm_irq_by_busid(struct drm_device *dev, void *data,
1318 struct drm_file *file_priv);
1319int drm_getunique(struct drm_device *dev, void *data,
1320 struct drm_file *file_priv);
1321int drm_setunique(struct drm_device *dev, void *data,
1322 struct drm_file *file_priv);
1323int drm_getmap(struct drm_device *dev, void *data,
1324 struct drm_file *file_priv);
1325int drm_getclient(struct drm_device *dev, void *data,
1326 struct drm_file *file_priv);
1327int drm_getstats(struct drm_device *dev, void *data,
1328 struct drm_file *file_priv);
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1329int drm_getcap(struct drm_device *dev, void *data,
1330 struct drm_file *file_priv);
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1331int drm_noop(struct drm_device *dev, void *data,
1332 struct drm_file *file_priv);
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1333
1334/* Context IOCTL support (drm_context.c) */
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1335int drm_resctx(struct drm_device *dev, void *data,
1336 struct drm_file *file_priv);
1337int drm_addctx(struct drm_device *dev, void *data,
1338 struct drm_file *file_priv);
1339int drm_modctx(struct drm_device *dev, void *data,
1340 struct drm_file *file_priv);
1341int drm_getctx(struct drm_device *dev, void *data,
1342 struct drm_file *file_priv);
1343int drm_switchctx(struct drm_device *dev, void *data,
1344 struct drm_file *file_priv);
1345int drm_newctx(struct drm_device *dev, void *data,
1346 struct drm_file *file_priv);
1347int drm_rmctx(struct drm_device *dev, void *data,
1348 struct drm_file *file_priv);
1349int drm_setsareactx(struct drm_device *dev, void *data,
1350 struct drm_file *file_priv);
1351int drm_getsareactx(struct drm_device *dev, void *data,
1352 struct drm_file *file_priv);
7f3c3d6f 1353
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1354/* Authentication IOCTL support (drm_auth.c) */
1355int drm_getmagic(struct drm_device *dev, void *data,
1356 struct drm_file *file_priv);
1357int drm_authmagic(struct drm_device *dev, void *data,
1358 struct drm_file *file_priv);
1359
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1360/* Cache management (drm_cache.c) */
1361void drm_clflush_virt_range(char *addr, unsigned long length);
1362
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1363/* Buffer management support (drm_bufs.c) */
1364int drm_addmap_ioctl(struct drm_device *dev, void *data,
2aa08105 1365 struct drm_file *file_priv);
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1366int drm_rmmap_ioctl(struct drm_device *dev, void *data,
1367 struct drm_file *file_priv);
1368int drm_addbufs(struct drm_device *dev, void *data,
1369 struct drm_file *file_priv);
1370int drm_infobufs(struct drm_device *dev, void *data,
1371 struct drm_file *file_priv);
1372int drm_markbufs(struct drm_device *dev, void *data,
1373 struct drm_file *file_priv);
1374int drm_freebufs(struct drm_device *dev, void *data,
1375 struct drm_file *file_priv);
1376int drm_mapbufs(struct drm_device *dev, void *data,
1377 struct drm_file *file_priv);
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1378
1379/* DMA support (drm_dma.c) */
b3705d71 1380int drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
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1381
1382/* IRQ support (drm_irq.c) */
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1383int drm_control(struct drm_device *dev, void *data,
1384 struct drm_file *file_priv);
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1385
1386/* AGP/GART support (drm_agpsupport.c) */
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1387int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
1388 struct drm_file *file_priv);
1389int drm_agp_release_ioctl(struct drm_device *dev, void *data,
1390 struct drm_file *file_priv);
1391int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
1392 struct drm_file *file_priv);
1393int drm_agp_info_ioctl(struct drm_device *dev, void *data,
1394 struct drm_file *file_priv);
1395int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
1396 struct drm_file *file_priv);
1397int drm_agp_free_ioctl(struct drm_device *dev, void *data,
1398 struct drm_file *file_priv);
1399int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
1400 struct drm_file *file_priv);
1401int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
1402 struct drm_file *file_priv);
7f3c3d6f 1403
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1404 /* Stub support (drm_stub.h) */
1405extern int drm_setmaster_ioctl(struct drm_device *dev, void *data,
1406 struct drm_file *file_priv);
1407extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
1408 struct drm_file *file_priv);
1409
7f3c3d6f 1410/* Scatter Gather Support (drm_scatter.c) */
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1411int drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
1412 struct drm_file *file_priv);
1413int drm_sg_free(struct drm_device *dev, void *data,
1414 struct drm_file *file_priv);
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HT
1415
1416/* consistent PCI memory functions (drm_pci.c) */
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1417extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
1418 size_t align);
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1419void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
1420
b5162e19 1421 /* sysfs support (drm_sysfs.c) */
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1422struct drm_sysfs_class;
1423extern struct class *drm_sysfs_create(struct module *owner, char *name);
1424extern void drm_sysfs_destroy(void);
1425extern int drm_sysfs_device_add(struct drm_minor *minor);
1426extern void drm_sysfs_hotplug_event(struct drm_device *dev);
1427extern void drm_sysfs_device_remove(struct drm_minor *minor);
1428extern int drm_sysfs_connector_add(struct drm_connector *connector);
1429extern void drm_sysfs_connector_remove(struct drm_connector *connector);
b5162e19 1430
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1431/* Graphics Execution Manager library functions (drm_gem.c) */
1432int drm_gem_init(struct drm_device *dev);
1433void drm_gem_destroy(struct drm_device *dev);
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1434void drm_gem_object_release(struct drm_gem_object *obj);
1435void drm_gem_object_free(struct kref *kref);
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1436
1437int drm_gem_close_ioctl(struct drm_device *dev, void *data,
1438 struct drm_file *file_priv);
1439int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
1440 struct drm_file *file_priv);
1441int drm_gem_open_ioctl(struct drm_device *dev, void *data,
1442 struct drm_file *file_priv);
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1443void drm_gem_object_handle_free(struct drm_gem_object *obj);
1444
1445#include <drm/drm_global.h>
1446
1447static inline void
1448drm_gem_object_reference(struct drm_gem_object *obj)
1449{
1450 kref_get(&obj->refcount);
1451}
1452
1453static inline void
1454drm_gem_object_unreference(struct drm_gem_object *obj)
1455{
1456 if (obj != NULL)
1457 kref_put(&obj->refcount, drm_gem_object_free);
1458}
1459
1460static inline void
1461drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
1462{
1463 if (obj != NULL) {
1464 struct drm_device *dev = obj->dev;
1465 DRM_LOCK(dev);
1466 kref_put(&obj->refcount, drm_gem_object_free);
1467 DRM_UNLOCK(dev);
1468 }
1469}
1470
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1471int drm_gem_handle_create(struct drm_file *file_priv,
1472 struct drm_gem_object *obj,
1473 u32 *handlep);
7ed079a2 1474int drm_gem_handle_delete(struct drm_file *filp, u32 handle);
18e26a6d 1475
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1476static inline void
1477drm_gem_object_handle_reference(struct drm_gem_object *obj)
1478{
1479 drm_gem_object_reference(obj);
1480 atomic_inc(&obj->handle_count);
1481}
1482
1483static inline void
1484drm_gem_object_handle_unreference(struct drm_gem_object *obj)
1485{
1486 if (obj == NULL)
1487 return;
1488
1489 if (atomic_read(&obj->handle_count) == 0)
1490 return;
1491 /*
1492 * Must bump handle count first as this may be the last
1493 * ref, in which case the object would disappear before we
1494 * checked for a name
1495 */
1496 if (atomic_dec_and_test(&obj->handle_count))
1497 drm_gem_object_handle_free(obj);
1498 drm_gem_object_unreference(obj);
1499}
1500
1501static inline void
1502drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
1503{
1504 if (obj == NULL)
1505 return;
1506
1507 if (atomic_read(&obj->handle_count) == 0)
1508 return;
1509
1510 /*
1511 * Must bump handle count first as this may be the last
1512 * ref, in which case the object would disappear before we
1513 * checked for a name
1514 */
1515
1516 if (atomic_dec_and_test(&obj->handle_count))
1517 drm_gem_object_handle_free(obj);
1518 drm_gem_object_unreference_unlocked(obj);
1519}
18e26a6d 1520
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1521int drm_gem_object_init(struct drm_device *dev, struct drm_gem_object *obj,
1522 size_t size);
1523int drm_gem_private_object_init(struct drm_device *dev,
1524 struct drm_gem_object *obj, size_t size);
1525struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
1526 size_t size);
1527struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
1528 struct drm_file *file_priv, uint32_t handle);
1529
1530void drm_gem_open(struct drm_device *dev, struct drm_file *file_priv);
1531void drm_gem_release(struct drm_device *dev, struct drm_file *file_priv);
1532
1533int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
1534void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
1535int drm_gem_mmap_single(struct drm_device *dev, vm_ooffset_t *offset,
1536 vm_size_t size, struct vm_object **obj_res, int nprot);
1537void drm_gem_pager_dtr(void *obj);
1538
1539struct ttm_bo_device;
1540int ttm_bo_mmap_single(struct ttm_bo_device *bdev, vm_ooffset_t *offset,
1541 vm_size_t size, struct vm_object **obj_res, int nprot);
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1542struct ttm_buffer_object;
1543void ttm_bo_release_mmap(struct ttm_buffer_object *bo);
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1544
1545void drm_device_lock_mtx(struct drm_device *dev);
1546void drm_device_unlock_mtx(struct drm_device *dev);
1547int drm_device_sleep_mtx(struct drm_device *dev, void *chan, int flags,
1548 const char *msg, int timeout);
1549void drm_device_assert_mtx_locked(struct drm_device *dev);
1550void drm_device_assert_mtx_unlocked(struct drm_device *dev);
1551
1552void drm_device_lock_struct(struct drm_device *dev);
1553void drm_device_unlock_struct(struct drm_device *dev);
1554int drm_device_sleep_struct(struct drm_device *dev, void *chan, int flags,
1555 const char *msg, int timeout);
1556void drm_device_assert_struct_locked(struct drm_device *dev);
1557void drm_device_assert_struct_unlocked(struct drm_device *dev);
1558
1559void drm_compat_locking_init(struct drm_device *dev);
1560void drm_sleep_locking_init(struct drm_device *dev);
1561
1562/* drm_modes.c */
1563bool drm_mode_parse_command_line_for_connector(const char *mode_option,
1564 struct drm_connector *connector, struct drm_cmdline_mode *mode);
1565struct drm_display_mode *drm_mode_create_from_cmdline_mode(
1566 struct drm_device *dev, struct drm_cmdline_mode *cmd);
1567
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1568/* Inline replacements for drm_alloc and friends */
1569static __inline__ void *
1570drm_alloc(size_t size, struct malloc_type *area)
1571{
f8677ba6 1572 return kmalloc(size, area, M_WAITOK | M_NULLOK);
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1573}
1574
1575static __inline__ void *
1576drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
1577{
f8677ba6 1578 return kmalloc(size * nmemb, area, M_WAITOK | M_NULLOK | M_ZERO);
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1579}
1580
b3705d71 1581static __inline__ void
5718399f 1582drm_free(void *pt, struct malloc_type *area)
b3705d71 1583{
158486a6 1584 kfree(pt);
b3705d71 1585}
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1586
1587/* Inline replacements for DRM_IOREMAP macros */
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1588static __inline__ void
1589drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
1590{
5c002123 1591 map->handle = drm_ioremap_wc(dev, map);
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1592}
1593static __inline__ void
1594drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
7f3c3d6f 1595{
5c002123 1596 map->handle = drm_ioremap(dev, map);
7f3c3d6f 1597}
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1598static __inline__ void
1599drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
7f3c3d6f 1600{
5c002123 1601 if ( map->handle && map->size )
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1602 drm_ioremapfree(map);
1603}
1604
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1605static __inline__ struct drm_local_map *
1606drm_core_findmap(struct drm_device *dev, unsigned long offset)
7f3c3d6f 1607{
f599cd46 1608 struct drm_map_list *_entry;
7f3c3d6f 1609
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1610 list_for_each_entry(_entry, &dev->maplist, head) {
1611 if (offset == (unsigned long)_entry->map->handle)
1612 return _entry->map;
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1613 }
1614 return NULL;
1615}
1616
1617static __inline__ void drm_core_dropmap(struct drm_map *map)
1618{
1619}
984263bc 1620
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1621#include <drm/drm_mem_util.h>
1622
5718399f 1623/* FreeBSD compatibility macros */
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1624#define VM_OBJECT_WLOCK(object) VM_OBJECT_LOCK(object)
1625#define VM_OBJECT_WUNLOCK(object) VM_OBJECT_UNLOCK(object)
1626
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1627#define DRM_PCIE_SPEED_25 1
1628#define DRM_PCIE_SPEED_50 2
1629#define DRM_PCIE_SPEED_80 4
1630
1631extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
1632
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1633#define drm_can_sleep() (DRM_HZ & 1)
1634
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1635#endif /* __KERNEL__ */
1636#endif /* _DRM_P_H_ */