drmP.h revision 189130
1151912Sphk/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- 2151912Sphk * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com 3209440Smav */ 4151912Sphk/*- 5151912Sphk * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 6151912Sphk * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 7151912Sphk * All rights reserved. 8151912Sphk * 9151912Sphk * Permission is hereby granted, free of charge, to any person obtaining a 10151912Sphk * copy of this software and associated documentation files (the "Software"), 11151912Sphk * to deal in the Software without restriction, including without limitation 12151912Sphk * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13151912Sphk * and/or sell copies of the Software, and to permit persons to whom the 14151912Sphk * Software is furnished to do so, subject to the following conditions: 15151912Sphk * 16151912Sphk * The above copyright notice and this permission notice (including the next 17151912Sphk * paragraph) shall be included in all copies or substantial portions of the 18151912Sphk * Software. 19151912Sphk * 20151912Sphk * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21151912Sphk * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22151912Sphk * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23151912Sphk * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 24151912Sphk * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 25151912Sphk * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 26151912Sphk * OTHER DEALINGS IN THE SOFTWARE. 27151912Sphk * 28151912Sphk * Authors: 29151912Sphk * Rickard E. (Rik) Faith <faith@valinux.com> 30151912Sphk * Gareth Hughes <gareth@valinux.com> 31151912Sphk * 32268351Smarcel */ 33209371Smav 34209371Smav#include <sys/cdefs.h> 35209371Smav__FBSDID("$FreeBSD: head/sys/dev/drm/drmP.h 189130 2009-02-28 02:37:55Z rnoland $"); 36209371Smav 37151912Sphk#ifndef _DRM_P_H_ 38273598Srpaulo#define _DRM_P_H_ 39159217Snjl 40151912Sphk#if defined(_KERNEL) || defined(__KERNEL__) 41151912Sphk 42209371Smavstruct drm_device; 43151912Sphkstruct drm_file; 44273598Srpaulo 45151912Sphk#include <sys/param.h> 46209371Smav#include <sys/queue.h> 47209371Smav#include <sys/malloc.h> 48209371Smav#include <sys/kernel.h> 49151912Sphk#include <sys/module.h> 50159217Snjl#include <sys/systm.h> 51193530Sjkim#include <sys/conf.h> 52193530Sjkim#include <sys/stat.h> 53193530Sjkim#if __FreeBSD_version >= 700000 54151912Sphk#include <sys/priv.h> 55175385Sjhb#endif 56151912Sphk#include <sys/proc.h> 57209371Smav#include <sys/lock.h> 58209371Smav#include <sys/fcntl.h> 59209371Smav#include <sys/uio.h> 60209371Smav#include <sys/filio.h> 61203062Savg#include <sys/sysctl.h> 62240286Smav#include <sys/bus.h> 63203062Savg#include <sys/signalvar.h> 64213302Smav#include <sys/poll.h> 65232797Smav#include <sys/tree.h> 66203062Savg#include <vm/vm.h> 67151912Sphk#include <vm/pmap.h> 68151912Sphk#include <vm/vm_extern.h> 69209371Smav#include <vm/vm_map.h> 70169574Stakawata#include <vm/vm_param.h> 71151931Sscottl#include <machine/param.h> 72151935Sscottl#include <machine/pmap.h> 73151931Sscottl#include <machine/bus.h> 74151931Sscottl#include <machine/resource.h> 75209371Smav#include <machine/specialreg.h> 76151912Sphk#include <machine/sysarch.h> 77209371Smav#include <sys/endian.h> 78209371Smav#include <sys/mman.h> 79209371Smav#include <sys/rman.h> 80209371Smav#include <sys/memrange.h> 81209440Smav#if __FreeBSD_version >= 800004 82212533Smav#include <dev/agp/agpvar.h> 83212238Smav#else /* __FreeBSD_version >= 800004 */ 84159217Snjl#include <pci/agpvar.h> 85209371Smav#endif /* __FreeBSD_version >= 800004 */ 86209371Smav#include <sys/agpio.h> 87151912Sphk#include <sys/mutex.h> 88209371Smav#include <dev/pci/pcivar.h> 89209440Smav#include <dev/pci/pcireg.h> 90209371Smav#include <sys/selinfo.h> 91209371Smav#include <sys/bus.h> 92209371Smav 93209371Smav#include "dev/drm/drm.h" 94209371Smav#include "dev/drm/drm_linux_list.h" 95209371Smav#include "dev/drm/drm_atomic.h" 96209371Smav#include "dev/drm/drm_internal.h" 97209371Smav 98212323Smav#include <opt_drm.h> 99212323Smav#ifdef DRM_DEBUG 100209371Smav#undef DRM_DEBUG 101209371Smav#define DRM_DEBUG_DEFAULT_ON 1 102209371Smav#endif /* DRM_DEBUG */ 103209371Smav 104209371Smav#if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__) 105209371Smav#include <sys/file.h> 106209371Smav#include <sys/proc.h> 107212491Smav#include <machine/../linux/linux.h> 108209371Smav#include <machine/../linux/linux_proto.h> 109209371Smav#else 110209371Smav/* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't 111273598Srpaulo * supported on this OS yet. 112273598Srpaulo */ 113273598Srpaulo#undef DRM_LINUX 114151912Sphk#define DRM_LINUX 0 115151912Sphk#endif 116273598Srpaulo 117273598Srpaulo/* driver capabilities and requirements mask */ 118273598Srpaulo#define DRIVER_USE_AGP 0x1 119273598Srpaulo#define DRIVER_REQUIRE_AGP 0x2 120273598Srpaulo#define DRIVER_USE_MTRR 0x4 121273598Srpaulo#define DRIVER_PCI_DMA 0x8 122273598Srpaulo#define DRIVER_SG 0x10 123273598Srpaulo#define DRIVER_HAVE_DMA 0x20 124273598Srpaulo#define DRIVER_HAVE_IRQ 0x40 125273598Srpaulo#define DRIVER_DMA_QUEUE 0x100 126159217Snjl 127209371Smav 128151912Sphk#define DRM_HASH_SIZE 16 /* Size of key hash table */ 129159217Snjl#define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ 130159217Snjl#define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */ 131269515Sroyger 132269515SroygerMALLOC_DECLARE(DRM_MEM_DMA); 133269515SroygerMALLOC_DECLARE(DRM_MEM_SAREA); 134159217SnjlMALLOC_DECLARE(DRM_MEM_DRIVER); 135151912SphkMALLOC_DECLARE(DRM_MEM_MAGIC); 136151912SphkMALLOC_DECLARE(DRM_MEM_IOCTLS); 137209371SmavMALLOC_DECLARE(DRM_MEM_MAPS); 138151912SphkMALLOC_DECLARE(DRM_MEM_BUFS); 139151912SphkMALLOC_DECLARE(DRM_MEM_SEGS); 140175385SjhbMALLOC_DECLARE(DRM_MEM_PAGES); 141151912SphkMALLOC_DECLARE(DRM_MEM_FILES); 142151912SphkMALLOC_DECLARE(DRM_MEM_QUEUES); 143175361SjhbMALLOC_DECLARE(DRM_MEM_CMDS); 144209371SmavMALLOC_DECLARE(DRM_MEM_MAPPINGS); 145175361SjhbMALLOC_DECLARE(DRM_MEM_BUFLISTS); 146175361SjhbMALLOC_DECLARE(DRM_MEM_AGPLISTS); 147175385SjhbMALLOC_DECLARE(DRM_MEM_CTXBITMAP); 148175385SjhbMALLOC_DECLARE(DRM_MEM_SGLISTS); 149209440SmavMALLOC_DECLARE(DRM_MEM_DRAWABLE); 150209440Smav 151209440Smav#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) 152209440Smav 153185103Sjkim /* Internal types and structures */ 154185103Sjkim#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) 155175361Sjhb#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) 156175361Sjhb#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) 157175361Sjhb 158209371Smav#define DRM_IF_VERSION(maj, min) (maj << 16 | min) 159175361Sjhb 160175361Sjhb#define __OS_HAS_AGP 1 161175385Sjhb 162175385Sjhb#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) 163185103Sjkim#define DRM_DEV_UID 0 164185103Sjkim#define DRM_DEV_GID 0 165175361Sjhb 166175361Sjhb#define wait_queue_head_t atomic_t 167209371Smav#define DRM_WAKEUP(w) wakeup((void *)w) 168247463Smav#define DRM_WAKEUP_INT(w) wakeup(w) 169209371Smav#define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0) 170209371Smav 171209371Smav#define DRM_CURPROC curthread 172209371Smav#define DRM_STRUCTPROC struct thread 173212491Smav#define DRM_SPINTYPE struct mtx 174209371Smav#define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF) 175209371Smav#define DRM_SPINUNINIT(l) mtx_destroy(l) 176247463Smav#define DRM_SPINLOCK(l) mtx_lock(l) 177209371Smav#define DRM_SPINUNLOCK(u) mtx_unlock(u) 178247463Smav#define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \ 179209371Smav mtx_lock(l); \ 180209371Smav (void)irqflags; \ 181209371Smav} while (0) 182209371Smav#define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u) 183247463Smav#define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED) 184247463Smav#define DRM_CURRENTPID curthread->td_proc->p_pid 185247463Smav#define DRM_LOCK() mtx_lock(&dev->dev_lock) 186210290Smav#define DRM_UNLOCK() mtx_unlock(&dev->dev_lock) 187212238Smav#define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS) 188212238Smav 189212238Smav#define DRM_IRQ_ARGS void *arg 190212491Smavtypedef void irqreturn_t; 191212238Smav#define IRQ_HANDLED /* nothing */ 192212491Smav#define IRQ_NONE /* nothing */ 193209371Smav 194209371Smavenum { 195209371Smav DRM_IS_NOT_AGP, 196209371Smav DRM_IS_AGP, 197212491Smav DRM_MIGHT_BE_AGP 198212491Smav}; 199212491Smav#define DRM_AGP_MEM struct agp_memory_info 200212491Smav 201209371Smav#define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1) 202212238Smav 203212491Smav#define PAGE_ALIGN(addr) round_page(addr) 204212491Smav/* DRM_SUSER returns true if the user is superuser */ 205212491Smav#if __FreeBSD_version >= 700000 206212491Smav#define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0) 207209371Smav#else 208224919Smav#define DRM_SUSER(p) (suser(p) == 0) 209224919Smav#endif 210224919Smav#define DRM_AGP_FIND_DEVICE() agp_find_device() 211224919Smav#define DRM_MTRR_WC MDF_WRITECOMBINE 212212238Smav#define jiffies ticks 213209371Smav 214209371Smavtypedef unsigned long dma_addr_t; 215209371Smavtypedef u_int64_t u64; 216209371Smavtypedef u_int32_t u32; 217209371Smavtypedef u_int16_t u16; 218209371Smavtypedef u_int8_t u8; 219209371Smav 220209371Smav/* DRM_READMEMORYBARRIER() prevents reordering of reads. 221209371Smav * DRM_WRITEMEMORYBARRIER() prevents reordering of writes. 222209371Smav * DRM_MEMORYBARRIER() prevents reordering of reads and writes. 223209371Smav */ 224209371Smav#if defined(__i386__) 225209371Smav#define DRM_READMEMORYBARRIER() __asm __volatile( \ 226209371Smav "lock; addl $0,0(%%esp)" : : : "memory"); 227209371Smav#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 228209371Smav#define DRM_MEMORYBARRIER() __asm __volatile( \ 229209371Smav "lock; addl $0,0(%%esp)" : : : "memory"); 230209371Smav#elif defined(__alpha__) 231209371Smav#define DRM_READMEMORYBARRIER() alpha_mb(); 232209371Smav#define DRM_WRITEMEMORYBARRIER() alpha_wmb(); 233209371Smav#define DRM_MEMORYBARRIER() alpha_mb(); 234209371Smav#elif defined(__amd64__) 235209371Smav#define DRM_READMEMORYBARRIER() __asm __volatile( \ 236209371Smav "lock; addl $0,0(%%rsp)" : : : "memory"); 237209371Smav#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory"); 238212491Smav#define DRM_MEMORYBARRIER() __asm __volatile( \ 239212491Smav "lock; addl $0,0(%%rsp)" : : : "memory"); 240212323Smav#endif 241212323Smav 242212323Smav#define DRM_READ8(map, offset) \ 243212323Smav *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) 244212323Smav#define DRM_READ16(map, offset) \ 245212323Smav *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) 246212323Smav#define DRM_READ32(map, offset) \ 247212323Smav *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) 248212323Smav#define DRM_WRITE8(map, offset, val) \ 249212323Smav *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val 250212323Smav#define DRM_WRITE16(map, offset, val) \ 251212323Smav *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val 252212323Smav#define DRM_WRITE32(map, offset, val) \ 253212323Smav *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val 254212491Smav 255212491Smav#define DRM_VERIFYAREA_READ( uaddr, size ) \ 256212323Smav (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ)) 257212491Smav 258212323Smav#define DRM_COPY_TO_USER(user, kern, size) \ 259212323Smav copyout(kern, user, size) 260212323Smav#define DRM_COPY_FROM_USER(kern, user, size) \ 261209371Smav copyin(user, kern, size) 262209371Smav#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ 263212491Smav copyin(arg2, arg1, arg3) 264209371Smav#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ 265212491Smav copyout(arg2, arg1, arg3) 266212491Smav#define DRM_GET_USER_UNCHECKED(val, uaddr) \ 267209371Smav ((val) = fuword32(uaddr), 0) 268212491Smav 269209371Smav#define cpu_to_le32(x) htole32(x) 270209371Smav#define le32_to_cpu(x) le32toh(x) 271209371Smav 272209990Smav#define DRM_HZ hz 273209990Smav#define DRM_UDELAY(udelay) DELAY(udelay) 274209371Smav#define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */ 275209371Smav 276209371Smav#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ 277209371Smav (_map) = (_dev)->context_sareas[_ctx]; \ 278209371Smav} while(0) 279209371Smav 280209371Smav#define LOCK_TEST_WITH_RETURN(dev, file_priv) \ 281209371Smavdo { \ 282209371Smav if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ 283209371Smav dev->lock.file_priv != file_priv) { \ 284209371Smav DRM_ERROR("%s called without lock held\n", \ 285209371Smav __FUNCTION__); \ 286209371Smav return EINVAL; \ 287209371Smav } \ 288209371Smav} while (0) 289209371Smav 290209371Smav/* Returns -errno to shared code */ 291209371Smav#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ 292209371Smavfor ( ret = 0 ; !ret && !(condition) ; ) { \ 293209371Smav DRM_UNLOCK(); \ 294209371Smav mtx_lock(&dev->irq_lock); \ 295209371Smav if (!(condition)) \ 296209371Smav ret = -mtx_sleep(&(queue), &dev->irq_lock, \ 297209371Smav PCATCH, "drmwtq", (timeout)); \ 298208436Smav mtx_unlock(&dev->irq_lock); \ 299209371Smav DRM_LOCK(); \ 300208436Smav} 301208436Smav 302208436Smav#define DRM_ERROR(fmt, ...) \ 303208436Smav printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \ 304208438Smav DRM_CURRENTPID, __func__ , ##__VA_ARGS__) 305208436Smav 306208436Smav#define DRM_INFO(fmt, ...) printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__) 307208436Smav 308208436Smav#define DRM_DEBUG(fmt, ...) do { \ 309208436Smav if (drm_debug_flag) \ 310208436Smav printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \ 311208436Smav __func__ , ##__VA_ARGS__); \ 312209371Smav} while (0) 313209371Smav 314258164Smavtypedef struct drm_pci_id_list 315208436Smav{ 316208436Smav int vendor; 317208436Smav int device; 318216263Sjhb long driver_private; 319216263Sjhb char *name; 320216263Sjhb} drm_pci_id_list_t; 321216263Sjhb 322216263Sjhbstruct drm_msi_blacklist_entry 323216263Sjhb{ 324216263Sjhb int vendor; 325216263Sjhb int device; 326216263Sjhb}; 327216263Sjhb 328216263Sjhb#define DRM_AUTH 0x1 329216263Sjhb#define DRM_MASTER 0x2 330216263Sjhb#define DRM_ROOT_ONLY 0x4 331216263Sjhbtypedef struct drm_ioctl_desc { 332216263Sjhb unsigned long cmd; 333216263Sjhb int (*func)(struct drm_device *dev, void *data, 334216263Sjhb struct drm_file *file_priv); 335273598Srpaulo int flags; 336273598Srpaulo} drm_ioctl_desc_t; 337273598Srpaulo/** 338273598Srpaulo * Creates a driver or general drm_ioctl_desc array entry for the given 339273598Srpaulo * ioctl, for use by drm_ioctl(). 340273598Srpaulo */ 341273598Srpaulo#define DRM_IOCTL_DEF(ioctl, func, flags) \ 342273598Srpaulo [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} 343273598Srpaulo 344273598Srpaulotypedef struct drm_magic_entry { 345273598Srpaulo drm_magic_t magic; 346273598Srpaulo struct drm_file *priv; 347273598Srpaulo struct drm_magic_entry *next; 348273598Srpaulo} drm_magic_entry_t; 349273598Srpaulo 350273598Srpaulotypedef struct drm_magic_head { 351273598Srpaulo struct drm_magic_entry *head; 352273598Srpaulo struct drm_magic_entry *tail; 353273598Srpaulo} drm_magic_head_t; 354273598Srpaulo 355273598Srpaulotypedef struct drm_buf { 356273598Srpaulo int idx; /* Index into master buflist */ 357273598Srpaulo int total; /* Buffer size */ 358273598Srpaulo int order; /* log-base-2(total) */ 359273598Srpaulo int used; /* Amount of buffer in use (for DMA) */ 360273598Srpaulo unsigned long offset; /* Byte offset (used internally) */ 361273598Srpaulo void *address; /* Address of buffer */ 362273598Srpaulo unsigned long bus_address; /* Bus address of buffer */ 363169592Snjl struct drm_buf *next; /* Kernel-only: used for free list */ 364273602Srpaulo __volatile__ int pending; /* On hardware DMA queue */ 365209371Smav struct drm_file *file_priv; /* Unique identifier of holding process */ 366169574Stakawata int context; /* Kernel queue for this buffer */ 367169574Stakawata enum { 368169574Stakawata DRM_LIST_NONE = 0, 369169574Stakawata DRM_LIST_FREE = 1, 370258164Smav DRM_LIST_WAIT = 2, 371169574Stakawata DRM_LIST_PEND = 3, 372172489Snjl DRM_LIST_PRIO = 4, 373209371Smav DRM_LIST_RECLAIM = 5 374172489Snjl } list; /* Which list we're on */ 375208436Smav 376208436Smav int dev_priv_size; /* Size of buffer private stoarge */ 377208436Smav void *dev_private; /* Per-buffer private storage */ 378208436Smav} drm_buf_t; 379208436Smav 380208436Smavtypedef struct drm_freelist { 381258164Smav int initialized; /* Freelist in use */ 382208436Smav atomic_t count; /* Number of free buffers */ 383258164Smav drm_buf_t *next; /* End pointer */ 384258164Smav 385208436Smav int low_mark; /* Low water mark */ 386258164Smav int high_mark; /* High water mark */ 387258164Smav} drm_freelist_t; 388258164Smav 389258164Smavtypedef struct drm_dma_handle { 390258164Smav void *vaddr; 391208436Smav bus_addr_t busaddr; 392258164Smav bus_dma_tag_t tag; 393208436Smav bus_dmamap_t map; 394231161Sjkim} drm_dma_handle_t; 395208436Smav 396208436Smavtypedef struct drm_buf_entry { 397208436Smav int buf_size; 398208436Smav int buf_count; 399208436Smav drm_buf_t *buflist; 400208436Smav int seg_count; 401169574Stakawata drm_dma_handle_t **seglist; 402169574Stakawata int page_order; 403169574Stakawata 404151912Sphk drm_freelist_t freelist; 405209371Smav} drm_buf_entry_t; 406151912Sphk 407159217Snjltypedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t; 408159217Snjlstruct drm_file { 409269515Sroyger TAILQ_ENTRY(drm_file) link; 410151912Sphk struct drm_device *dev; 411199016Savg int authenticated; 412208436Smav int master; 413169592Snjl int minor; 414151912Sphk pid_t pid; 415159217Snjl uid_t uid; 416151912Sphk drm_magic_t magic; 417151912Sphk unsigned long ioctl_count; 418151912Sphk void *driver_priv; 419151912Sphk}; 420209371Smav 421151912Sphktypedef struct drm_lock_data { 422209371Smav struct drm_hw_lock *hw_lock; /* Hardware lock */ 423209371Smav struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/ 424209371Smav int lock_queue; /* Queue of blocked processes */ 425209371Smav unsigned long lock_time; /* Time of last lock in jiffies */ 426209371Smav} drm_lock_data_t; 427212238Smav 428209371Smav/* This structure, in the struct drm_device, is always initialized while the 429151912Sphk * device 430151912Sphk * is open. dev->dma_lock protects the incrementing of dev->buf_use, which 431151912Sphk * when set marks that no further bufs may be allocated until device teardown 432151912Sphk * occurs (when the last open of the device has closed). The high/low 433151912Sphk * watermarks of bufs are only touched by the X Server, and thus not 434151912Sphk * concurrently accessed, so no locking is needed. 435151912Sphk */ 436209371Smavtypedef struct drm_device_dma { 437209371Smav drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; 438159217Snjl int buf_count; 439159217Snjl drm_buf_t **buflist; /* Vector of pointers info bufs */ 440159217Snjl int seg_count; 441151912Sphk int page_count; 442159217Snjl unsigned long *pagelist; 443159217Snjl unsigned long byte_count; 444159217Snjl enum { 445159217Snjl _DRM_DMA_USE_AGP = 0x01, 446159217Snjl _DRM_DMA_USE_SG = 0x02 447159217Snjl } flags; 448159217Snjl} drm_device_dma_t; 449151912Sphk 450171547Snjltypedef struct drm_agp_mem { 451175361Sjhb void *handle; 452171547Snjl unsigned long bound; /* address */ 453159217Snjl int pages; 454175385Sjhb struct drm_agp_mem *prev; 455175361Sjhb struct drm_agp_mem *next; 456175361Sjhb} drm_agp_mem_t; 457175361Sjhb 458175361Sjhbtypedef struct drm_agp_head { 459175361Sjhb device_t agpdev; 460175361Sjhb struct agp_info info; 461175361Sjhb const char *chipset; 462209371Smav drm_agp_mem_t *memory; 463209440Smav unsigned long mode; 464209440Smav int enabled; 465209440Smav int acquired; 466209440Smav unsigned long base; 467209371Smav int mtrr; 468209371Smav int cant_use_aperture; 469209371Smav unsigned long page_mask; 470209371Smav} drm_agp_head_t; 471209371Smav 472209371Smavtypedef struct drm_sg_mem { 473209371Smav unsigned long handle; 474209371Smav void *virtual; 475209371Smav int pages; 476159217Snjl dma_addr_t *busaddr; 477159217Snjl struct drm_dma_handle *sg_dmah; /* Handle for sg_pages */ 478209371Smav struct drm_dma_handle *dmah; /* Handle to PCI memory */ 479209440Smav /* for ATI PCIGART table */ 480209440Smav} drm_sg_mem_t; 481209440Smav 482209440Smavtypedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t; 483159217Snjl 484209371Smavtypedef struct drm_local_map { 485209371Smav unsigned long offset; /* Physical address (0 for SAREA)*/ 486209371Smav unsigned long size; /* Physical size (bytes) */ 487209371Smav enum drm_map_type type; /* Type of memory mapped */ 488209371Smav enum drm_map_flags flags; /* Flags */ 489209371Smav void *handle; /* User-space: "Handle" to pass to mmap */ 490209371Smav /* Kernel-space: kernel-virtual address */ 491212323Smav int mtrr; /* Boolean: MTRR used */ 492212323Smav /* Private data */ 493209371Smav int rid; /* PCI resource ID for bus_space */ 494209371Smav struct resource *bsr; 495209371Smav bus_space_tag_t bst; 496209371Smav bus_space_handle_t bsh; 497209371Smav drm_dma_handle_t *dmah; 498209371Smav TAILQ_ENTRY(drm_local_map) link; 499209371Smav} drm_local_map_t; 500209371Smav 501209371SmavTAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig); 502209371Smavtypedef struct drm_vbl_sig { 503209371Smav TAILQ_ENTRY(drm_vbl_sig) link; 504209371Smav unsigned int sequence; 505159217Snjl int signo; 506209371Smav int pid; 507171547Snjl} drm_vbl_sig_t; 508171547Snjl 509171547Snjlstruct drm_vblank_info { 510171547Snjl wait_queue_head_t queue; /* vblank wait queue */ 511175385Sjhb atomic_t count; /* number of VBLANK interrupts */ 512171547Snjl /* (driver must alloc the right number of counters) */ 513175385Sjhb struct drm_vbl_sig_list sigs; /* signal list to send on VBLANK */ 514171547Snjl atomic_t refcount; /* number of users of vblank interrupts */ 515171547Snjl u32 last; /* protected by dev->vbl_lock, used */ 516175361Sjhb /* for wraparound handling */ 517171547Snjl int enabled; /* so we don't call enable more than */ 518171547Snjl /* once per disable */ 519171547Snjl int inmodeset; /* Display driver is setting mode */ 520208436Smav}; 521208436Smav 522209371Smav/* location of GART table */ 523209371Smav#define DRM_ATI_GART_MAIN 1 524209371Smav#define DRM_ATI_GART_FB 2 525222222Sjkim 526209371Smav#define DRM_ATI_GART_PCI 1 527209371Smav#define DRM_ATI_GART_PCIE 2 528209371Smav#define DRM_ATI_GART_IGP 3 529208436Smav 530209371Smavstruct drm_ati_pcigart_info { 531209371Smav int gart_table_location; 532209371Smav int gart_reg_if; 533209371Smav void *addr; 534209440Smav dma_addr_t bus_addr; 535209440Smav dma_addr_t table_mask; 536209440Smav dma_addr_t member_mask; 537209440Smav struct drm_dma_handle *table_handle; 538209440Smav drm_local_map_t mapping; 539209440Smav int table_size; 540209440Smav}; 541209440Smav 542209440Smav#ifndef DMA_BIT_MASK 543209440Smav#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1) 544209440Smav#endif 545209440Smav 546212238Smav#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16)) 547212238Smav 548212238Smavstruct drm_driver_info { 549209371Smav int (*load)(struct drm_device *, unsigned long flags); 550209371Smav int (*firstopen)(struct drm_device *); 551209371Smav int (*open)(struct drm_device *, struct drm_file *); 552209371Smav void (*preclose)(struct drm_device *, struct drm_file *file_priv); 553209371Smav void (*postclose)(struct drm_device *, struct drm_file *); 554209371Smav void (*lastclose)(struct drm_device *); 555209371Smav int (*unload)(struct drm_device *); 556240286Smav void (*reclaim_buffers_locked)(struct drm_device *, 557212238Smav struct drm_file *file_priv); 558212238Smav int (*dma_ioctl)(struct drm_device *dev, void *data, 559213302Smav struct drm_file *file_priv); 560213302Smav void (*dma_ready)(struct drm_device *); 561213302Smav int (*dma_quiescent)(struct drm_device *); 562213302Smav int (*dma_flush_block_and_flush)(struct drm_device *, int context, 563213302Smav enum drm_lock_flags flags); 564213302Smav int (*dma_flush_unblock)(struct drm_device *, int context, 565232797Smav enum drm_lock_flags flags); 566232797Smav int (*context_ctor)(struct drm_device *dev, int context); 567232797Smav int (*context_dtor)(struct drm_device *dev, int context); 568232797Smav int (*kernel_context_switch)(struct drm_device *dev, int old, 569232797Smav int new); 570232797Smav int (*kernel_context_switch_unlock)(struct drm_device *dev); 571232797Smav void (*irq_preinstall)(struct drm_device *dev); 572212238Smav int (*irq_postinstall)(struct drm_device *dev); 573212238Smav void (*irq_uninstall)(struct drm_device *dev); 574215473Sjhb void (*irq_handler)(DRM_IRQ_ARGS); 575212238Smav u32 (*get_vblank_counter)(struct drm_device *dev, int crtc); 576212238Smav int (*enable_vblank)(struct drm_device *dev, int crtc); 577212238Smav void (*disable_vblank)(struct drm_device *dev, int crtc); 578212238Smav 579212238Smav drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 580212238Smav 581212238Smav /** 582212533Smav * Called by \c drm_device_is_agp. Typically used to determine if a 583212533Smav * card is really attached to AGP or not. 584212533Smav * 585212533Smav * \param dev DRM device handle 586212533Smav * 587212238Smav * \returns 588212238Smav * One of three values is returned depending on whether or not the 589212238Smav * card is absolutely \b not AGP (return of 0), absolutely \b is AGP 590212238Smav * (return of 1), or may or may not be AGP (return of 2). 591212238Smav */ 592212238Smav int (*device_is_agp) (struct drm_device * dev); 593212238Smav 594209371Smav drm_ioctl_desc_t *ioctls; 595209371Smav int max_ioctl; 596209440Smav 597209440Smav int buf_priv_size; 598209371Smav 599209440Smav int major; 600209371Smav int minor; 601209371Smav int patchlevel; 602209371Smav const char *name; /* Simple driver name */ 603209371Smav const char *desc; /* Longer driver name */ 604269897Sneel const char *date; /* Date of last major changes. */ 605269897Sneel 606209440Smav u32 driver_features; 607209440Smav}; 608209440Smav 609212238Smav/* Length for the array of resource pointers for drm_get_resource_*. */ 610212238Smav#define DRM_MAX_PCI_RESOURCE 3 611212238Smav 612212238Smav/** 613209440Smav * DRM device functions structure 614216263Sjhb */ 615216490Sjhbstruct drm_device { 616216490Sjhb struct drm_driver_info *driver; 617216490Sjhb drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */ 618209440Smav 619209440Smav u_int16_t pci_device; /* PCI device id */ 620209440Smav u_int16_t pci_vendor; /* PCI vendor id */ 621216490Sjhb 622216490Sjhb char *unique; /* Unique identifier: e.g., busid */ 623216490Sjhb int unique_len; /* Length of unique field */ 624209440Smav device_t device; /* Device instance from newbus */ 625209440Smav struct cdev *devnode; /* Device number for mknod */ 626209440Smav int if_version; /* Highest interface version set */ 627209371Smav 628209371Smav int flags; /* Flags to open(2) */ 629209371Smav 630209371Smav /* Locks */ 631209371Smav struct mtx vbl_lock; /* protects vblank operations */ 632209440Smav struct mtx dma_lock; /* protects dev->dma */ 633209440Smav struct mtx irq_lock; /* protects irq condition checks */ 634209371Smav struct mtx dev_lock; /* protects everything else */ 635209371Smav DRM_SPINTYPE drw_lock; 636209371Smav 637209371Smav /* Usage Counters */ 638209440Smav int open_count; /* Outstanding files open */ 639209440Smav int buf_use; /* Buffers in use -- cannot alloc */ 640209440Smav 641209440Smav /* Performance counters */ 642209440Smav unsigned long counters; 643212533Smav enum drm_stat_type types[15]; 644209440Smav atomic_t counts[15]; 645209440Smav 646209440Smav /* Authentication */ 647209440Smav drm_file_list_t files; 648209440Smav drm_magic_head_t magiclist[DRM_HASH_SIZE]; 649209440Smav 650209440Smav /* Linked list of mappable regions. Protected by dev_lock */ 651209440Smav drm_map_list_t maplist; 652212323Smav 653209440Smav drm_local_map_t **context_sareas; 654209440Smav int max_context; 655209440Smav 656209440Smav drm_lock_data_t lock; /* Information on hardware lock */ 657209440Smav 658209440Smav /* DMA queues (contexts) */ 659212238Smav drm_device_dma_t *dma; /* Optional pointer for DMA support */ 660212238Smav 661209440Smav /* Context support */ 662209371Smav int irq; /* Interrupt used by board */ 663209371Smav int irq_enabled; /* True if the irq handler is enabled */ 664215473Sjhb int msi_enabled; /* MSI enabled */ 665209371Smav int irqrid; /* Interrupt used by board */ 666209371Smav struct resource *irqr; /* Resource for interrupt used by board */ 667209371Smav void *irqh; /* Handle from bus_setup_intr */ 668209371Smav 669216263Sjhb /* Storage of resource pointers for drm_get_resource_* */ 670216490Sjhb struct resource *pcir[DRM_MAX_PCI_RESOURCE]; 671216490Sjhb int pcirid[DRM_MAX_PCI_RESOURCE]; 672216490Sjhb 673216490Sjhb int pci_domain; 674216490Sjhb int pci_bus; 675216490Sjhb int pci_slot; 676209371Smav int pci_func; 677209371Smav 678209371Smav atomic_t context_flag; /* Context swapping flag */ 679209371Smav int last_context; /* Last current context */ 680209371Smav 681209371Smav int vblank_disable_allowed; 682209371Smav atomic_t vbl_signal_pending; /* number of signals pending on all crtcs */ 683209371Smav struct callout vblank_disable_timer; 684209371Smav u32 max_vblank_count; /* size of vblank counter register */ 685209371Smav struct drm_vblank_info *vblank; /* per crtc vblank info */ 686209371Smav int num_crtcs; 687209371Smav 688209440Smav struct sigio *buf_sigio; /* Processes waiting for SIGIO */ 689209371Smav 690209440Smav /* Sysctl support */ 691209440Smav struct drm_sysctl_info *sysctl; 692209440Smav 693209371Smav drm_agp_head_t *agp; 694212238Smav drm_sg_mem_t *sg; /* Scatter gather memory */ 695209371Smav atomic_t *ctx_bitmap; 696273602Srpaulo void *dev_private; 697273602Srpaulo unsigned int agp_buffer_token; 698209371Smav drm_local_map_t *agp_buffer_map; 699209371Smav 700209371Smav struct unrhdr *drw_unrhdr; 701209371Smav /* RB tree of drawable infos */ 702209371Smav RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head; 703209371Smav}; 704209371Smav 705209371Smavstatic __inline__ int drm_core_check_feature(struct drm_device *dev, 706209371Smav int feature) 707209371Smav{ 708209371Smav return ((dev->driver->driver_features & feature) ? 1 : 0); 709209371Smav} 710212238Smav 711212238Smav#if __OS_HAS_AGP 712212238Smavstatic inline int drm_core_has_AGP(struct drm_device *dev) 713209371Smav{ 714209371Smav return drm_core_check_feature(dev, DRIVER_USE_AGP); 715209371Smav} 716209371Smav#else 717209371Smav#define drm_core_has_AGP(dev) (0) 718209371Smav#endif 719209371Smav 720209371Smavextern int drm_debug_flag; 721209371Smav 722209371Smav/* Device setup support (drm_drv.c) */ 723209371Smavint drm_probe(device_t nbdev, drm_pci_id_list_t *idlist); 724209371Smavint drm_attach(device_t nbdev, drm_pci_id_list_t *idlist); 725209371Smavvoid drm_close(void *data); 726209371Smavint drm_detach(device_t nbdev); 727209371Smavd_ioctl_t drm_ioctl; 728209371Smavd_open_t drm_open; 729209371Smavd_read_t drm_read; 730209371Smavd_poll_t drm_poll; 731248170Smavd_mmap_t drm_mmap; 732248154Smavextern drm_local_map_t *drm_getsarea(struct drm_device *dev); 733209371Smav 734209371Smav/* File operations helpers (drm_fops.c) */ 735209371Smavextern int drm_open_helper(struct cdev *kdev, int flags, int fmt, 736247463Smav DRM_STRUCTPROC *p, 737247463Smav struct drm_device *dev); 738247463Smav 739209371Smav/* Memory management support (drm_memory.c) */ 740209371Smavvoid drm_mem_init(void); 741209371Smavvoid drm_mem_uninit(void); 742209371Smavvoid *drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map); 743209371Smavvoid *drm_ioremap(struct drm_device *dev, drm_local_map_t *map); 744209371Smavvoid drm_ioremapfree(drm_local_map_t *map); 745209371Smavint drm_mtrr_add(unsigned long offset, size_t size, int flags); 746209371Smavint drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags); 747273598Srpaulo 748273598Srpauloint drm_context_switch(struct drm_device *dev, int old, int new); 749273598Srpauloint drm_context_switch_complete(struct drm_device *dev, int new); 750273598Srpaulo 751273598Srpauloint drm_ctxbitmap_init(struct drm_device *dev); 752273598Srpaulovoid drm_ctxbitmap_cleanup(struct drm_device *dev); 753273598Srpaulovoid drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); 754273598Srpauloint drm_ctxbitmap_next(struct drm_device *dev); 755273598Srpaulo 756273598Srpaulo/* Locking IOCTL support (drm_lock.c) */ 757273598Srpauloint drm_lock_take(struct drm_lock_data *lock_data, 758273598Srpaulo unsigned int context); 759273598Srpauloint drm_lock_transfer(struct drm_lock_data *lock_data, 760273598Srpaulo unsigned int context); 761273598Srpauloint drm_lock_free(struct drm_lock_data *lock_data, 762273598Srpaulo unsigned int context); 763273598Srpaulo 764273598Srpaulo/* Buffer management support (drm_bufs.c) */ 765273598Srpaulounsigned long drm_get_resource_start(struct drm_device *dev, 766273598Srpaulo unsigned int resource); 767159217Snjlunsigned long drm_get_resource_len(struct drm_device *dev, 768159217Snjl unsigned int resource); 769159217Snjlvoid drm_rmmap(struct drm_device *dev, drm_local_map_t *map); 770159217Snjlint drm_order(unsigned long size); 771209371Smavint drm_addmap(struct drm_device *dev, unsigned long offset, 772159217Snjl unsigned long size, 773159217Snjl enum drm_map_type type, enum drm_map_flags flags, 774159217Snjl drm_local_map_t **map_ptr); 775159217Snjlint drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request); 776159217Snjlint drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request); 777159217Snjlint drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request); 778159217Snjl 779168010Snjl/* DMA support (drm_dma.c) */ 780209371Smavint drm_dma_setup(struct drm_device *dev); 781175361Sjhbvoid drm_dma_takedown(struct drm_device *dev); 782212541Smavvoid drm_free_buffer(struct drm_device *dev, drm_buf_t *buf); 783175361Sjhbvoid drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv); 784175361Sjhb#define drm_core_reclaim_buffers drm_reclaim_buffers 785175361Sjhb 786175361Sjhb/* IRQ support (drm_irq.c) */ 787175361Sjhbint drm_irq_install(struct drm_device *dev); 788175361Sjhbint drm_irq_uninstall(struct drm_device *dev); 789212541Smavirqreturn_t drm_irq_handler(DRM_IRQ_ARGS); 790212541Smavvoid drm_driver_irq_preinstall(struct drm_device *dev); 791175361Sjhbvoid drm_driver_irq_postinstall(struct drm_device *dev); 792175361Sjhbvoid drm_driver_irq_uninstall(struct drm_device *dev); 793175361Sjhbvoid drm_handle_vblank(struct drm_device *dev, int crtc); 794175361Sjhbu32 drm_vblank_count(struct drm_device *dev, int crtc); 795175361Sjhbint drm_vblank_get(struct drm_device *dev, int crtc); 796209371Smavvoid drm_vblank_put(struct drm_device *dev, int crtc); 797168010Snjlvoid drm_vblank_cleanup(struct drm_device *dev); 798209371Smavint drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); 799209371Smavint drm_vblank_init(struct drm_device *dev, int num_crtcs); 800209371Smavvoid drm_vbl_send_signals(struct drm_device *dev, int crtc); 801168010Snjlint drm_modeset_ctl(struct drm_device *dev, void *data, 802168010Snjl struct drm_file *file_priv); 803168010Snjl 804175361Sjhb/* AGP/PCI Express/GART support (drm_agpsupport.c) */ 805209371Smavint drm_device_is_agp(struct drm_device *dev); 806209371Smavint drm_device_is_pcie(struct drm_device *dev); 807209371Smavdrm_agp_head_t *drm_agp_init(void); 808209371Smavint drm_agp_acquire(struct drm_device *dev); 809209440Smavint drm_agp_release(struct drm_device *dev); 810209371Smavint drm_agp_info(struct drm_device * dev, struct drm_agp_info *info); 811273602Srpauloint drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); 812273602Srpaulovoid *drm_agp_allocate_memory(size_t pages, u32 type); 813209371Smavint drm_agp_free_memory(void *handle); 814209371Smavint drm_agp_bind_memory(void *handle, off_t start); 815209371Smavint drm_agp_unbind_memory(void *handle); 816209371Smavint drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); 817209371Smavint drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); 818209371Smavint drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); 819209371Smavint drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); 820209371Smav 821209371Smav/* Scatter Gather Support (drm_scatter.c) */ 822209371Smavvoid drm_sg_cleanup(drm_sg_mem_t *entry); 823209371Smavint drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); 824209371Smav 825212491Smav/* sysctl support (drm_sysctl.h) */ 826209371Smavextern int drm_sysctl_init(struct drm_device *dev); 827209371Smavextern int drm_sysctl_cleanup(struct drm_device *dev); 828212491Smav 829209371Smav/* ATI PCIGART support (ati_pcigart.c) */ 830209371Smavint drm_ati_pcigart_init(struct drm_device *dev, 831209371Smav struct drm_ati_pcigart_info *gart_info); 832212491Smavint drm_ati_pcigart_cleanup(struct drm_device *dev, 833209371Smav struct drm_ati_pcigart_info *gart_info); 834209371Smav 835209371Smav/* Locking IOCTL support (drm_drv.c) */ 836209371Smavint drm_lock(struct drm_device *dev, void *data, 837212491Smav struct drm_file *file_priv); 838209371Smavint drm_unlock(struct drm_device *dev, void *data, 839212491Smav struct drm_file *file_priv); 840209371Smavint drm_version(struct drm_device *dev, void *data, 841209371Smav struct drm_file *file_priv); 842209371Smavint drm_setversion(struct drm_device *dev, void *data, 843209371Smav struct drm_file *file_priv); 844168010Snjl 845168010Snjl/* Misc. IOCTL support (drm_ioctl.c) */ 846168010Snjlint drm_irq_by_busid(struct drm_device *dev, void *data, 847159217Snjl struct drm_file *file_priv); 848159217Snjlint drm_getunique(struct drm_device *dev, void *data, 849209371Smav struct drm_file *file_priv); 850159217Snjlint drm_setunique(struct drm_device *dev, void *data, 851151912Sphk struct drm_file *file_priv); 852151912Sphkint drm_getmap(struct drm_device *dev, void *data, 853151912Sphk struct drm_file *file_priv); 854151912Sphkint drm_getclient(struct drm_device *dev, void *data, 855151912Sphk struct drm_file *file_priv); 856151912Sphkint drm_getstats(struct drm_device *dev, void *data, 857151912Sphk struct drm_file *file_priv); 858151912Sphkint drm_noop(struct drm_device *dev, void *data, 859175385Sjhb struct drm_file *file_priv); 860151912Sphk 861175385Sjhb/* Context IOCTL support (drm_context.c) */ 862151912Sphkint drm_resctx(struct drm_device *dev, void *data, 863175385Sjhb struct drm_file *file_priv); 864151912Sphkint drm_addctx(struct drm_device *dev, void *data, 865151912Sphk struct drm_file *file_priv); 866151912Sphkint drm_modctx(struct drm_device *dev, void *data, 867151912Sphk struct drm_file *file_priv); 868151912Sphkint drm_getctx(struct drm_device *dev, void *data, 869151912Sphk struct drm_file *file_priv); 870159217Snjlint drm_switchctx(struct drm_device *dev, void *data, 871151912Sphk struct drm_file *file_priv); 872151912Sphkint drm_newctx(struct drm_device *dev, void *data, 873159217Snjl struct drm_file *file_priv); 874151912Sphkint drm_rmctx(struct drm_device *dev, void *data, 875151912Sphk struct drm_file *file_priv); 876209371Smavint drm_setsareactx(struct drm_device *dev, void *data, 877209371Smav struct drm_file *file_priv); 878209371Smavint drm_getsareactx(struct drm_device *dev, void *data, 879209371Smav struct drm_file *file_priv); 880209371Smav 881209371Smav/* Drawable IOCTL support (drm_drawable.c) */ 882209371Smavint drm_adddraw(struct drm_device *dev, void *data, 883273602Srpaulo struct drm_file *file_priv); 884209371Smavint drm_rmdraw(struct drm_device *dev, void *data, 885209371Smav struct drm_file *file_priv); 886209371Smavint drm_update_draw(struct drm_device *dev, void *data, 887209371Smav struct drm_file *file_priv); 888209371Smavstruct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, 889209371Smav int handle); 890209371Smav 891209371Smav/* Drawable support (drm_drawable.c) */ 892209371Smavvoid drm_drawable_free_all(struct drm_device *dev); 893209371Smav 894209371Smav/* Authentication IOCTL support (drm_auth.c) */ 895209371Smavint drm_getmagic(struct drm_device *dev, void *data, 896209371Smav struct drm_file *file_priv); 897209371Smavint drm_authmagic(struct drm_device *dev, void *data, 898209371Smav struct drm_file *file_priv); 899209371Smav 900209371Smav/* Buffer management support (drm_bufs.c) */ 901209371Smavint drm_addmap_ioctl(struct drm_device *dev, void *data, 902209371Smav struct drm_file *file_priv); 903209371Smavint drm_rmmap_ioctl(struct drm_device *dev, void *data, 904209371Smav struct drm_file *file_priv); 905209371Smavint drm_addbufs(struct drm_device *dev, void *data, 906151912Sphk struct drm_file *file_priv); 907209371Smavint drm_infobufs(struct drm_device *dev, void *data, 908209371Smav struct drm_file *file_priv); 909209371Smavint drm_markbufs(struct drm_device *dev, void *data, 910209371Smav struct drm_file *file_priv); 911209371Smavint drm_freebufs(struct drm_device *dev, void *data, 912209371Smav struct drm_file *file_priv); 913151912Sphkint drm_mapbufs(struct drm_device *dev, void *data, 914209371Smav struct drm_file *file_priv); 915209371Smav 916209371Smav/* DMA support (drm_dma.c) */ 917209371Smavint drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv); 918246128Ssbz 919151912Sphk/* IRQ support (drm_irq.c) */ 920151912Sphkint drm_control(struct drm_device *dev, void *data, 921209371Smav struct drm_file *file_priv); 922209371Smavint drm_wait_vblank(struct drm_device *dev, void *data, 923209371Smav struct drm_file *file_priv); 924209371Smav 925151912Sphk/* AGP/GART support (drm_agpsupport.c) */ 926151912Sphkint drm_agp_acquire_ioctl(struct drm_device *dev, void *data, 927209371Smav struct drm_file *file_priv); 928209371Smavint drm_agp_release_ioctl(struct drm_device *dev, void *data, 929 struct drm_file *file_priv); 930int drm_agp_enable_ioctl(struct drm_device *dev, void *data, 931 struct drm_file *file_priv); 932int drm_agp_info_ioctl(struct drm_device *dev, void *data, 933 struct drm_file *file_priv); 934int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, 935 struct drm_file *file_priv); 936int drm_agp_free_ioctl(struct drm_device *dev, void *data, 937 struct drm_file *file_priv); 938int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, 939 struct drm_file *file_priv); 940int drm_agp_bind_ioctl(struct drm_device *dev, void *data, 941 struct drm_file *file_priv); 942 943/* Scatter Gather Support (drm_scatter.c) */ 944int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, 945 struct drm_file *file_priv); 946int drm_sg_free(struct drm_device *dev, void *data, 947 struct drm_file *file_priv); 948 949/* consistent PCI memory functions (drm_pci.c) */ 950drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, 951 size_t align, dma_addr_t maxaddr); 952void drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah); 953 954/* Inline replacements for drm_alloc and friends */ 955static __inline__ void * 956drm_alloc(size_t size, struct malloc_type *area) 957{ 958 return malloc(size, area, M_NOWAIT); 959} 960 961static __inline__ void * 962drm_calloc(size_t nmemb, size_t size, struct malloc_type *area) 963{ 964 return malloc(size * nmemb, area, M_NOWAIT | M_ZERO); 965} 966 967static __inline__ void * 968drm_realloc(void *oldpt, size_t oldsize, size_t size, 969 struct malloc_type *area) 970{ 971 return reallocf(oldpt, size, area, M_NOWAIT); 972} 973 974static __inline__ void 975drm_free(void *pt, size_t size, struct malloc_type *area) 976{ 977 free(pt, area); 978} 979 980/* Inline replacements for DRM_IOREMAP macros */ 981static __inline__ void 982drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev) 983{ 984 map->handle = drm_ioremap_wc(dev, map); 985} 986static __inline__ void 987drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev) 988{ 989 map->handle = drm_ioremap(dev, map); 990} 991static __inline__ void 992drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev) 993{ 994 if ( map->handle && map->size ) 995 drm_ioremapfree(map); 996} 997 998static __inline__ struct drm_local_map * 999drm_core_findmap(struct drm_device *dev, unsigned long offset) 1000{ 1001 drm_local_map_t *map; 1002 1003 DRM_SPINLOCK_ASSERT(&dev->dev_lock); 1004 TAILQ_FOREACH(map, &dev->maplist, link) { 1005 if (map->offset == offset) 1006 return map; 1007 } 1008 return NULL; 1009} 1010 1011static __inline__ void drm_core_dropmap(struct drm_map *map) 1012{ 1013} 1014 1015#endif /* __KERNEL__ */ 1016#endif /* _DRM_P_H_ */ 1017