Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /** |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 2 | * \file drmP.h |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * Private header for Direct Rendering Manager |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 4 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * \author Rickard E. (Rik) Faith <faith@valinux.com> |
| 6 | * \author Gareth Hughes <gareth@valinux.com> |
| 7 | */ |
| 8 | |
| 9 | /* |
| 10 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. |
| 11 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. |
| 12 | * All rights reserved. |
| 13 | * |
| 14 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 15 | * copy of this software and associated documentation files (the "Software"), |
| 16 | * to deal in the Software without restriction, including without limitation |
| 17 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 18 | * and/or sell copies of the Software, and to permit persons to whom the |
| 19 | * Software is furnished to do so, subject to the following conditions: |
| 20 | * |
| 21 | * The above copyright notice and this permission notice (including the next |
| 22 | * paragraph) shall be included in all copies or substantial portions of the |
| 23 | * Software. |
| 24 | * |
| 25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 27 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 28 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 29 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 30 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 31 | * OTHER DEALINGS IN THE SOFTWARE. |
| 32 | */ |
| 33 | |
| 34 | #ifndef _DRM_P_H_ |
| 35 | #define _DRM_P_H_ |
| 36 | |
| 37 | /* If you want the memory alloc debug functionality, change define below */ |
| 38 | /* #define DEBUG_MEMORY */ |
| 39 | |
| 40 | #ifdef __KERNEL__ |
| 41 | #ifdef __alpha__ |
| 42 | /* add include of current.h so that "current" is defined |
| 43 | * before static inline funcs in wait.h. Doing this so we |
| 44 | * can build the DRM (part of PI DRI). 4/21/2000 S + B */ |
| 45 | #include <asm/current.h> |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 46 | #endif /* __alpha__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | #include <linux/module.h> |
| 48 | #include <linux/kernel.h> |
| 49 | #include <linux/miscdevice.h> |
| 50 | #include <linux/fs.h> |
| 51 | #include <linux/proc_fs.h> |
| 52 | #include <linux/init.h> |
| 53 | #include <linux/file.h> |
| 54 | #include <linux/pci.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | #include <linux/jiffies.h> |
| 56 | #include <linux/smp_lock.h> /* For (un)lock_kernel */ |
| 57 | #include <linux/mm.h> |
| 58 | #include <linux/cdev.h> |
Dave Airlie | 30e2fb1 | 2006-02-02 19:37:46 +1100 | [diff] [blame] | 59 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | #if defined(__alpha__) || defined(__powerpc__) |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 61 | #include <asm/pgtable.h> /* For pte_wrprotect */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | #endif |
| 63 | #include <asm/io.h> |
| 64 | #include <asm/mman.h> |
| 65 | #include <asm/uaccess.h> |
| 66 | #ifdef CONFIG_MTRR |
| 67 | #include <asm/mtrr.h> |
| 68 | #endif |
| 69 | #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) |
| 70 | #include <linux/types.h> |
| 71 | #include <linux/agp_backend.h> |
| 72 | #endif |
| 73 | #include <linux/workqueue.h> |
| 74 | #include <linux/poll.h> |
| 75 | #include <asm/pgalloc.h> |
| 76 | #include "drm.h" |
| 77 | |
| 78 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) |
| 79 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) |
| 80 | |
| 81 | #include "drm_os_linux.h" |
Thomas Hellstrom | 3a1bd92 | 2006-08-07 21:30:28 +1000 | [diff] [blame] | 82 | #include "drm_hashtab.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
| 84 | /***********************************************************************/ |
| 85 | /** \name DRM template customization defaults */ |
| 86 | /*@{*/ |
| 87 | |
| 88 | /* driver capabilities and requirements mask */ |
| 89 | #define DRIVER_USE_AGP 0x1 |
| 90 | #define DRIVER_REQUIRE_AGP 0x2 |
| 91 | #define DRIVER_USE_MTRR 0x4 |
| 92 | #define DRIVER_PCI_DMA 0x8 |
| 93 | #define DRIVER_SG 0x10 |
| 94 | #define DRIVER_HAVE_DMA 0x20 |
| 95 | #define DRIVER_HAVE_IRQ 0x40 |
| 96 | #define DRIVER_IRQ_SHARED 0x80 |
| 97 | #define DRIVER_IRQ_VBL 0x100 |
| 98 | #define DRIVER_DMA_QUEUE 0x200 |
Dave Airlie | b84397d6 | 2005-07-10 14:46:12 +1000 | [diff] [blame] | 99 | #define DRIVER_FB_DMA 0x400 |
=?utf-8?q?Michel_D=C3=A4nzer?= | 776c944 | 2006-10-24 22:24:38 +1000 | [diff] [blame] | 100 | #define DRIVER_IRQ_VBL2 0x800 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | |
| 102 | /***********************************************************************/ |
| 103 | /** \name Begin the DRM... */ |
| 104 | /*@{*/ |
| 105 | |
| 106 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then |
| 107 | also include looping detection. */ |
| 108 | |
Thomas Hellstrom | 8669cbc | 2006-08-07 22:22:10 +1000 | [diff] [blame] | 109 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
| 111 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ |
| 112 | #define DRM_LOOPING_LIMIT 5000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
| 114 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ |
| 115 | |
| 116 | #define DRM_FLAG_DEBUG 0x01 |
| 117 | |
| 118 | #define DRM_MEM_DMA 0 |
| 119 | #define DRM_MEM_SAREA 1 |
| 120 | #define DRM_MEM_DRIVER 2 |
| 121 | #define DRM_MEM_MAGIC 3 |
| 122 | #define DRM_MEM_IOCTLS 4 |
| 123 | #define DRM_MEM_MAPS 5 |
| 124 | #define DRM_MEM_VMAS 6 |
| 125 | #define DRM_MEM_BUFS 7 |
| 126 | #define DRM_MEM_SEGS 8 |
| 127 | #define DRM_MEM_PAGES 9 |
| 128 | #define DRM_MEM_FILES 10 |
| 129 | #define DRM_MEM_QUEUES 11 |
| 130 | #define DRM_MEM_CMDS 12 |
| 131 | #define DRM_MEM_MAPPINGS 13 |
| 132 | #define DRM_MEM_BUFLISTS 14 |
| 133 | #define DRM_MEM_AGPLISTS 15 |
| 134 | #define DRM_MEM_TOTALAGP 16 |
| 135 | #define DRM_MEM_BOUNDAGP 17 |
| 136 | #define DRM_MEM_CTXBITMAP 18 |
| 137 | #define DRM_MEM_STUB 19 |
| 138 | #define DRM_MEM_SGLISTS 20 |
Thomas Hellstrom | 3a1bd92 | 2006-08-07 21:30:28 +1000 | [diff] [blame] | 139 | #define DRM_MEM_CTXLIST 21 |
| 140 | #define DRM_MEM_MM 22 |
| 141 | #define DRM_MEM_HASHTAB 23 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
| 143 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) |
Thomas Hellstrom | 8d153f7 | 2006-08-07 22:36:47 +1000 | [diff] [blame] | 144 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 146 | /*@}*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | |
| 148 | /***********************************************************************/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | /** \name Macros to make printk easier */ |
| 150 | /*@{*/ |
| 151 | |
| 152 | /** |
| 153 | * Error output. |
| 154 | * |
| 155 | * \param fmt printf() like format string. |
| 156 | * \param arg arguments |
| 157 | */ |
| 158 | #define DRM_ERROR(fmt, arg...) \ |
| 159 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg) |
| 160 | |
| 161 | /** |
| 162 | * Memory error output. |
| 163 | * |
| 164 | * \param area memory area where the error occurred. |
| 165 | * \param fmt printf() like format string. |
| 166 | * \param arg arguments |
| 167 | */ |
| 168 | #define DRM_MEM_ERROR(area, fmt, arg...) \ |
| 169 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \ |
| 170 | drm_mem_stats[area].name , ##arg) |
| 171 | |
| 172 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) |
| 173 | |
| 174 | /** |
| 175 | * Debug output. |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 176 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | * \param fmt printf() like format string. |
| 178 | * \param arg arguments |
| 179 | */ |
| 180 | #if DRM_DEBUG_CODE |
| 181 | #define DRM_DEBUG(fmt, arg...) \ |
| 182 | do { \ |
| 183 | if ( drm_debug ) \ |
| 184 | printk(KERN_DEBUG \ |
| 185 | "[" DRM_NAME ":%s] " fmt , \ |
| 186 | __FUNCTION__ , ##arg); \ |
| 187 | } while (0) |
| 188 | #else |
| 189 | #define DRM_DEBUG(fmt, arg...) do { } while (0) |
| 190 | #endif |
| 191 | |
| 192 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) |
| 193 | |
| 194 | #define DRM_PROC_PRINT(fmt, arg...) \ |
| 195 | len += sprintf(&buf[len], fmt , ##arg); \ |
| 196 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } |
| 197 | |
| 198 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ |
| 199 | len += sprintf(&buf[len], fmt , ##arg); \ |
| 200 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } |
| 201 | |
| 202 | /*@}*/ |
| 203 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | /***********************************************************************/ |
| 205 | /** \name Internal types and structures */ |
| 206 | /*@{*/ |
| 207 | |
Dave Airlie | 99a2657 | 2005-09-25 13:25:41 +1000 | [diff] [blame] | 208 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | |
| 210 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) |
| 211 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) |
| 212 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) |
| 213 | |
| 214 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) |
| 215 | /** |
| 216 | * Get the private SAREA mapping. |
| 217 | * |
| 218 | * \param _dev DRM device. |
| 219 | * \param _ctx context number. |
| 220 | * \param _map output mapping. |
| 221 | */ |
| 222 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ |
| 223 | (_map) = (_dev)->context_sareas[_ctx]; \ |
| 224 | } while(0) |
| 225 | |
| 226 | /** |
| 227 | * Test that the hardware lock is held by the caller, returning otherwise. |
| 228 | * |
| 229 | * \param dev DRM device. |
| 230 | * \param filp file pointer of the caller. |
| 231 | */ |
| 232 | #define LOCK_TEST_WITH_RETURN( dev, filp ) \ |
| 233 | do { \ |
| 234 | if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ |
| 235 | dev->lock.filp != filp ) { \ |
| 236 | DRM_ERROR( "%s called without lock held\n", \ |
| 237 | __FUNCTION__ ); \ |
| 238 | return -EINVAL; \ |
| 239 | } \ |
| 240 | } while (0) |
| 241 | |
| 242 | /** |
| 243 | * Copy and IOCTL return string to user space |
| 244 | */ |
| 245 | #define DRM_COPY( name, value ) \ |
| 246 | len = strlen( value ); \ |
| 247 | if ( len > name##_len ) len = name##_len; \ |
| 248 | name##_len = strlen( value ); \ |
| 249 | if ( len && name ) { \ |
| 250 | if ( copy_to_user( name, value, len ) ) \ |
| 251 | return -EFAULT; \ |
| 252 | } |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 253 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | /** |
| 255 | * Ioctl function type. |
| 256 | * |
| 257 | * \param inode device inode. |
| 258 | * \param filp file pointer. |
| 259 | * \param cmd command. |
| 260 | * \param arg argument. |
| 261 | */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 262 | typedef int drm_ioctl_t(struct inode *inode, struct file *filp, |
| 263 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | |
Dave Airlie | 9a18664 | 2005-06-23 21:29:18 +1000 | [diff] [blame] | 265 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
| 266 | unsigned long arg); |
| 267 | |
Dave Airlie | a7a2cc3 | 2006-01-02 13:54:04 +1100 | [diff] [blame] | 268 | #define DRM_AUTH 0x1 |
| 269 | #define DRM_MASTER 0x2 |
| 270 | #define DRM_ROOT_ONLY 0x4 |
| 271 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | typedef struct drm_ioctl_desc { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 273 | drm_ioctl_t *func; |
Dave Airlie | a7a2cc3 | 2006-01-02 13:54:04 +1100 | [diff] [blame] | 274 | int flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | } drm_ioctl_desc_t; |
| 276 | |
Dave Airlie | 8fc2fdf | 2007-07-11 16:21:47 +1000 | [diff] [blame] | 277 | struct drm_magic_entry { |
Thomas Hellstrom | 8669cbc | 2006-08-07 22:22:10 +1000 | [diff] [blame] | 278 | struct list_head head; |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 279 | drm_hash_item_t hash_item; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 280 | struct drm_file *priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | struct drm_magic_entry *next; |
Dave Airlie | 8fc2fdf | 2007-07-11 16:21:47 +1000 | [diff] [blame] | 282 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | |
Dave Airlie | 8fc2fdf | 2007-07-11 16:21:47 +1000 | [diff] [blame] | 284 | struct drm_vma_entry { |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 285 | struct list_head head; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | struct vm_area_struct *vma; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 287 | pid_t pid; |
Dave Airlie | 8fc2fdf | 2007-07-11 16:21:47 +1000 | [diff] [blame] | 288 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | |
| 290 | /** |
| 291 | * DMA buffer. |
| 292 | */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 293 | struct drm_buf { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 294 | int idx; /**< Index into master buflist */ |
| 295 | int total; /**< Buffer size */ |
| 296 | int order; /**< log-base-2(total) */ |
| 297 | int used; /**< Amount of buffer in use (for DMA) */ |
| 298 | unsigned long offset; /**< Byte offset (used internally) */ |
| 299 | void *address; /**< Address of buffer */ |
| 300 | unsigned long bus_address; /**< Bus address of buffer */ |
| 301 | struct drm_buf *next; /**< Kernel-only: used for free list */ |
| 302 | __volatile__ int waiting; /**< On kernel DMA queue */ |
| 303 | __volatile__ int pending; /**< On hardware DMA queue */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 305 | struct file *filp; /**< Pointer to holding file descr */ |
| 306 | int context; /**< Kernel queue for this buffer */ |
| 307 | int while_locked; /**< Dispatch this buffer while locked */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | enum { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 309 | DRM_LIST_NONE = 0, |
| 310 | DRM_LIST_FREE = 1, |
| 311 | DRM_LIST_WAIT = 2, |
| 312 | DRM_LIST_PEND = 3, |
| 313 | DRM_LIST_PRIO = 4, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | DRM_LIST_RECLAIM = 5 |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 315 | } list; /**< Which list we're on */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 317 | int dev_priv_size; /**< Size of buffer private storage */ |
| 318 | void *dev_private; /**< Per-buffer private storage */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 319 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | /** bufs is one longer than it has to be */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 322 | struct drm_waitlist { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 323 | int count; /**< Number of possible buffers */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 324 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
| 325 | struct drm_buf **rp; /**< Read pointer */ |
| 326 | struct drm_buf **wp; /**< Write pointer */ |
| 327 | struct drm_buf **end; /**< End pointer */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 328 | spinlock_t read_lock; |
| 329 | spinlock_t write_lock; |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 330 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 332 | struct drm_freelist { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 333 | int initialized; /**< Freelist in use */ |
| 334 | atomic_t count; /**< Number of free buffers */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 335 | struct drm_buf *next; /**< End pointer */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | |
| 337 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 338 | int low_mark; /**< Low water mark */ |
| 339 | int high_mark; /**< High water mark */ |
| 340 | atomic_t wfh; /**< If waiting for high mark */ |
| 341 | spinlock_t lock; |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 342 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | |
Dave Airlie | ddf19b9 | 2006-03-19 18:56:12 +1100 | [diff] [blame] | 344 | typedef struct drm_dma_handle { |
| 345 | dma_addr_t busaddr; |
| 346 | void *vaddr; |
| 347 | size_t size; |
| 348 | } drm_dma_handle_t; |
| 349 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | /** |
| 351 | * Buffer entry. There is one of this for each buffer size order. |
| 352 | */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 353 | struct drm_buf_entry { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 354 | int buf_size; /**< size */ |
| 355 | int buf_count; /**< number of buffers */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 356 | struct drm_buf *buflist; /**< buffer list */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 357 | int seg_count; |
| 358 | int page_order; |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 359 | struct drm_dma_handle **seglist; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 361 | struct drm_freelist freelist; |
| 362 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | |
| 364 | /** File private data */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 365 | struct drm_file { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 366 | int authenticated; |
Dave Airlie | a7a2cc3 | 2006-01-02 13:54:04 +1100 | [diff] [blame] | 367 | int master; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 368 | int minor; |
| 369 | pid_t pid; |
| 370 | uid_t uid; |
| 371 | drm_magic_t magic; |
| 372 | unsigned long ioctl_count; |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 373 | struct list_head lhead; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 374 | struct drm_head *head; |
| 375 | int remove_auth_on_close; |
| 376 | unsigned long lock_count; |
| 377 | void *driver_priv; |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 378 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 379 | |
| 380 | /** Wait queue */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 381 | struct drm_queue { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 382 | atomic_t use_count; /**< Outstanding uses (+1) */ |
| 383 | atomic_t finalization; /**< Finalization in progress */ |
| 384 | atomic_t block_count; /**< Count of processes waiting */ |
| 385 | atomic_t block_read; /**< Queue blocked for reads */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 387 | atomic_t block_write; /**< Queue blocked for writes */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
| 389 | #if 1 |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 390 | atomic_t total_queued; /**< Total queued statistic */ |
| 391 | atomic_t total_flushed; /**< Total flushes statistic */ |
| 392 | atomic_t total_locks; /**< Total locks statistics */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | #endif |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 394 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 395 | struct drm_waitlist waitlist; /**< Pending buffers */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 397 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | |
| 399 | /** |
| 400 | * Lock data. |
| 401 | */ |
| 402 | typedef struct drm_lock_data { |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 403 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 404 | struct file *filp; /**< File descr of lock holder (0=kernel) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 406 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
Thomas Hellstrom | 040ac32 | 2007-03-23 13:28:33 +1100 | [diff] [blame] | 407 | spinlock_t spinlock; |
| 408 | uint32_t kernel_waiters; |
| 409 | uint32_t user_waiters; |
| 410 | int idle_has_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | } drm_lock_data_t; |
| 412 | |
| 413 | /** |
| 414 | * DMA data. |
| 415 | */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 416 | struct drm_device_dma { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 418 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 419 | int buf_count; /**< total number of buffers */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 420 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 421 | int seg_count; |
| 422 | int page_count; /**< number of pages */ |
| 423 | unsigned long *pagelist; /**< page list */ |
| 424 | unsigned long byte_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | enum { |
| 426 | _DRM_DMA_USE_AGP = 0x01, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 427 | _DRM_DMA_USE_SG = 0x02, |
George Sapountzis | 3417f33 | 2006-10-24 12:03:04 -0700 | [diff] [blame] | 428 | _DRM_DMA_USE_FB = 0x04, |
| 429 | _DRM_DMA_USE_PCI_RO = 0x08 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | } flags; |
| 431 | |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 432 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 434 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | * AGP memory entry. Stored as a doubly linked list. |
| 436 | */ |
| 437 | typedef struct drm_agp_mem { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 438 | unsigned long handle; /**< handle */ |
| 439 | DRM_AGP_MEM *memory; |
| 440 | unsigned long bound; /**< address */ |
| 441 | int pages; |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 442 | struct list_head head; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | } drm_agp_mem_t; |
| 444 | |
| 445 | /** |
| 446 | * AGP data. |
| 447 | * |
| 448 | * \sa drm_agp_init() and drm_device::agp. |
| 449 | */ |
| 450 | typedef struct drm_agp_head { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 451 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 452 | struct list_head memory; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 453 | unsigned long mode; /**< AGP mode */ |
| 454 | struct agp_bridge_data *bridge; |
| 455 | int enabled; /**< whether the AGP bus as been enabled */ |
| 456 | int acquired; /**< whether the AGP device has been acquired */ |
| 457 | unsigned long base; |
| 458 | int agp_mtrr; |
| 459 | int cant_use_aperture; |
| 460 | unsigned long page_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | } drm_agp_head_t; |
| 462 | |
| 463 | /** |
| 464 | * Scatter-gather memory. |
| 465 | */ |
| 466 | typedef struct drm_sg_mem { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 467 | unsigned long handle; |
| 468 | void *virtual; |
| 469 | int pages; |
| 470 | struct page **pagelist; |
| 471 | dma_addr_t *busaddr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | } drm_sg_mem_t; |
| 473 | |
| 474 | typedef struct drm_sigdata { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 475 | int context; |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 476 | struct drm_hw_lock *lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | } drm_sigdata_t; |
| 478 | |
| 479 | /** |
| 480 | * Mappings list |
| 481 | */ |
| 482 | typedef struct drm_map_list { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 483 | struct list_head head; /**< list head */ |
Thomas Hellstrom | 8d153f7 | 2006-08-07 22:36:47 +1000 | [diff] [blame] | 484 | drm_hash_item_t hash; |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 485 | struct drm_map *map; /**< mapping */ |
Dave Airlie | d1f2b55 | 2005-08-05 22:11:22 +1000 | [diff] [blame] | 486 | unsigned int user_token; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | } drm_map_list_t; |
| 488 | |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 489 | typedef struct drm_map drm_local_map_t; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | |
| 491 | /** |
| 492 | * Context handle list |
| 493 | */ |
| 494 | typedef struct drm_ctx_list { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 495 | struct list_head head; /**< list head */ |
| 496 | drm_context_t handle; /**< context handle */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 497 | struct drm_file *tag; /**< associated fd private data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | } drm_ctx_list_t; |
| 499 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | typedef struct drm_vbl_sig { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 501 | struct list_head head; |
| 502 | unsigned int sequence; |
| 503 | struct siginfo info; |
| 504 | struct task_struct *task; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | } drm_vbl_sig_t; |
| 506 | |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 507 | /* location of GART table */ |
| 508 | #define DRM_ATI_GART_MAIN 1 |
| 509 | #define DRM_ATI_GART_FB 2 |
| 510 | |
Dave Airlie | f2b04cd | 2007-05-08 15:19:23 +1000 | [diff] [blame] | 511 | #define DRM_ATI_GART_PCI 1 |
| 512 | #define DRM_ATI_GART_PCIE 2 |
| 513 | #define DRM_ATI_GART_IGP 3 |
| 514 | |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 515 | typedef struct ati_pcigart_info { |
| 516 | int gart_table_location; |
Dave Airlie | f2b04cd | 2007-05-08 15:19:23 +1000 | [diff] [blame] | 517 | int gart_reg_if; |
Dave Airlie | f26c473 | 2006-01-02 17:18:39 +1100 | [diff] [blame] | 518 | void *addr; |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 519 | dma_addr_t bus_addr; |
Dave Airlie | f26c473 | 2006-01-02 17:18:39 +1100 | [diff] [blame] | 520 | drm_local_map_t mapping; |
Dave Airlie | f2b04cd | 2007-05-08 15:19:23 +1000 | [diff] [blame] | 521 | int table_size; |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 522 | } drm_ati_pcigart_info; |
| 523 | |
Thomas Hellstrom | 3a1bd92 | 2006-08-07 21:30:28 +1000 | [diff] [blame] | 524 | /* |
| 525 | * Generic memory manager structs |
| 526 | */ |
| 527 | typedef struct drm_mm_node { |
| 528 | struct list_head fl_entry; |
| 529 | struct list_head ml_entry; |
| 530 | int free; |
| 531 | unsigned long start; |
| 532 | unsigned long size; |
Thomas Hellstrom | 1d58420 | 2007-01-08 22:25:47 +1100 | [diff] [blame] | 533 | struct drm_mm *mm; |
Thomas Hellstrom | 3a1bd92 | 2006-08-07 21:30:28 +1000 | [diff] [blame] | 534 | void *private; |
| 535 | } drm_mm_node_t; |
| 536 | |
| 537 | typedef struct drm_mm { |
Thomas Hellstrom | 1d58420 | 2007-01-08 22:25:47 +1100 | [diff] [blame] | 538 | struct list_head fl_entry; |
| 539 | struct list_head ml_entry; |
Thomas Hellstrom | 3a1bd92 | 2006-08-07 21:30:28 +1000 | [diff] [blame] | 540 | } drm_mm_t; |
| 541 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 542 | /** |
| 543 | * DRM driver structure. This structure represent the common code for |
| 544 | * a family of cards. There will one drm_device for each card present |
| 545 | * in this family |
| 546 | */ |
| 547 | struct drm_device; |
| 548 | |
| 549 | struct drm_driver { |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 550 | int (*load) (struct drm_device *, unsigned long flags); |
| 551 | int (*firstopen) (struct drm_device *); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 552 | int (*open) (struct drm_device *, struct drm_file *); |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 553 | void (*preclose) (struct drm_device *, struct file * filp); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 554 | void (*postclose) (struct drm_device *, struct drm_file *); |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 555 | void (*lastclose) (struct drm_device *); |
| 556 | int (*unload) (struct drm_device *); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 557 | int (*dma_ioctl) (DRM_IOCTL_ARGS); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 558 | void (*dma_ready) (struct drm_device *); |
| 559 | int (*dma_quiescent) (struct drm_device *); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 560 | int (*context_ctor) (struct drm_device *dev, int context); |
| 561 | int (*context_dtor) (struct drm_device *dev, int context); |
| 562 | int (*kernel_context_switch) (struct drm_device *dev, int old, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 563 | int new); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 564 | void (*kernel_context_switch_unlock) (struct drm_device *dev); |
| 565 | int (*vblank_wait) (struct drm_device *dev, unsigned int *sequence); |
| 566 | int (*vblank_wait2) (struct drm_device *dev, unsigned int *sequence); |
Dave Airlie | 732052e | 2005-11-11 22:07:35 +1100 | [diff] [blame] | 567 | int (*dri_library_name) (struct drm_device *dev, char *buf); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 568 | |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 569 | /** |
| 570 | * Called by \c drm_device_is_agp. Typically used to determine if a |
| 571 | * card is really attached to AGP or not. |
| 572 | * |
| 573 | * \param dev DRM device handle |
| 574 | * |
| 575 | * \returns |
| 576 | * One of three values is returned depending on whether or not the |
| 577 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP |
| 578 | * (return of 1), or may or may not be AGP (return of 2). |
| 579 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 580 | int (*device_is_agp) (struct drm_device *dev); |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 581 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | /* these have to be filled in */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 583 | |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 584 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 585 | void (*irq_preinstall) (struct drm_device *dev); |
| 586 | void (*irq_postinstall) (struct drm_device *dev); |
| 587 | void (*irq_uninstall) (struct drm_device *dev); |
| 588 | void (*reclaim_buffers) (struct drm_device *dev, struct file * filp); |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 589 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 590 | struct file *filp); |
Thomas Hellstrom | 040ac32 | 2007-03-23 13:28:33 +1100 | [diff] [blame] | 591 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
| 592 | struct file * filp); |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 593 | unsigned long (*get_map_ofs) (struct drm_map * map); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 594 | unsigned long (*get_reg_ofs) (struct drm_device *dev); |
| 595 | void (*set_version) (struct drm_device *dev, |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 596 | struct drm_set_version *sv); |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 597 | |
| 598 | int major; |
| 599 | int minor; |
| 600 | int patchlevel; |
| 601 | char *name; |
| 602 | char *desc; |
| 603 | char *date; |
| 604 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | u32 driver_features; |
| 606 | int dev_priv_size; |
| 607 | drm_ioctl_desc_t *ioctls; |
| 608 | int num_ioctls; |
| 609 | struct file_operations fops; |
| 610 | struct pci_driver pci_driver; |
| 611 | }; |
| 612 | |
| 613 | /** |
| 614 | * DRM head structure. This structure represent a video head on a card |
| 615 | * that may contain multiple heads. Embed one per head of these in the |
| 616 | * private drm_device structure. |
| 617 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 618 | struct drm_head { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | int minor; /**< Minor device number */ |
| 620 | struct drm_device *dev; |
| 621 | struct proc_dir_entry *dev_root; /**< proc directory entry */ |
| 622 | dev_t device; /**< Device number for mknod */ |
| 623 | struct class_device *dev_class; |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 624 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 625 | |
| 626 | /** |
| 627 | * DRM device structure. This structure represent a complete card that |
| 628 | * may contain multiple heads. |
| 629 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 630 | struct drm_device { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 631 | char *unique; /**< Unique identifier: e.g., busid */ |
| 632 | int unique_len; /**< Length of unique field */ |
| 633 | char *devname; /**< For /proc/interrupts */ |
| 634 | int if_version; /**< Highest interface version set */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 636 | int blocked; /**< Blocked due to VC switch? */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | |
| 638 | /** \name Locks */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 639 | /*@{ */ |
| 640 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ |
Dave Airlie | 30e2fb1 | 2006-02-02 19:37:46 +1100 | [diff] [blame] | 641 | struct mutex struct_mutex; /**< For others */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 642 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | |
| 644 | /** \name Usage Counters */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 645 | /*@{ */ |
| 646 | int open_count; /**< Outstanding files open */ |
| 647 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ |
| 648 | atomic_t vma_count; /**< Outstanding vma areas open */ |
| 649 | int buf_use; /**< Buffers in use -- cannot alloc */ |
| 650 | atomic_t buf_alloc; /**< Buffer allocation in progress */ |
| 651 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | |
| 653 | /** \name Performance counters */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 654 | /*@{ */ |
| 655 | unsigned long counters; |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 656 | enum drm_stat_type types[15]; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 657 | atomic_t counts[15]; |
| 658 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | |
| 660 | /** \name Authentication */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 661 | /*@{ */ |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 662 | struct list_head filelist; |
Thomas Hellstrom | 8669cbc | 2006-08-07 22:22:10 +1000 | [diff] [blame] | 663 | drm_open_hash_t magiclist; /**< magic hash table */ |
| 664 | struct list_head magicfree; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 665 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 666 | |
| 667 | /** \name Memory management */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 668 | /*@{ */ |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 669 | struct list_head maplist; /**< Linked list of regions */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 670 | int map_count; /**< Number of mappable regions */ |
Thomas Hellstrom | 8d153f7 | 2006-08-07 22:36:47 +1000 | [diff] [blame] | 671 | drm_open_hash_t map_hash; /**< User token hash table for maps */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | |
| 673 | /** \name Context handle management */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 674 | /*@{ */ |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 675 | struct list_head ctxlist; /**< Linked list of context handles */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 676 | int ctx_count; /**< Number of context handles */ |
Dave Airlie | 30e2fb1 | 2006-02-02 19:37:46 +1100 | [diff] [blame] | 677 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 679 | struct drm_map **context_sareas; /**< per-context SAREA's */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 680 | int max_context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 682 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 683 | drm_lock_data_t lock; /**< Information on hardware lock */ |
| 684 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | |
| 686 | /** \name DMA queues (contexts) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 687 | /*@{ */ |
| 688 | int queue_count; /**< Number of active DMA queues */ |
| 689 | int queue_reserved; /**< Number of reserved DMA queues */ |
| 690 | int queue_slots; /**< Actual length of queuelist */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame^] | 691 | struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
| 692 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 693 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | |
| 695 | /** \name Context support */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 696 | /*@{ */ |
| 697 | int irq; /**< Interrupt used by board */ |
| 698 | int irq_enabled; /**< True if irq handler is enabled */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | __volatile__ long context_flag; /**< Context swapping flag */ |
| 700 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ |
| 701 | __volatile__ long dma_flag; /**< DMA dispatch flag */ |
| 702 | struct timer_list timer; /**< Timer for delaying ctx switch */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 703 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
| 704 | int last_checked; /**< Last context checked for DMA */ |
| 705 | int last_context; /**< Last current context */ |
| 706 | unsigned long last_switch; /**< jiffies at last context switch */ |
| 707 | /*@} */ |
| 708 | |
| 709 | struct work_struct work; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | /** \name VBLANK IRQ support */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 711 | /*@{ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 712 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 713 | wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ |
| 714 | atomic_t vbl_received; |
=?utf-8?q?Michel_D=C3=A4nzer?= | 776c944 | 2006-10-24 22:24:38 +1000 | [diff] [blame] | 715 | atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 716 | spinlock_t vbl_lock; |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 717 | struct list_head vbl_sigs; /**< signal list to send on VBLANK */ |
| 718 | struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 719 | unsigned int vbl_pending; |
=?utf-8?q?Michel_D=C3=A4nzer?= | 2e54a00 | 2006-10-24 23:08:16 +1000 | [diff] [blame] | 720 | spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ |
| 721 | void (*locked_tasklet_func)(struct drm_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 722 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 723 | /*@} */ |
| 724 | cycles_t ctx_start; |
| 725 | cycles_t lck_start; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
| 728 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ |
| 729 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ |
| 730 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 731 | drm_agp_head_t *agp; /**< AGP data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 732 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 733 | struct pci_dev *pdev; /**< PCI device structure */ |
Eric Anholt | 2f02cc3 | 2006-09-22 04:19:34 +1000 | [diff] [blame] | 734 | int pci_vendor; /**< PCI vendor id */ |
| 735 | int pci_device; /**< PCI device id */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 736 | #ifdef __alpha__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 737 | struct pci_controller *hose; |
| 738 | #endif |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 739 | drm_sg_mem_t *sg; /**< Scatter gather memory */ |
| 740 | unsigned long *ctx_bitmap; /**< context bitmap */ |
| 741 | void *dev_private; /**< device private data */ |
| 742 | drm_sigdata_t sigdata; /**< For block_all_signals */ |
| 743 | sigset_t sigmask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 745 | struct drm_driver *driver; |
| 746 | drm_local_map_t *agp_buffer_map; |
Dave Airlie | d1f2b55 | 2005-08-05 22:11:22 +1000 | [diff] [blame] | 747 | unsigned int agp_buffer_token; |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 748 | struct drm_head primary; /**< primary screen head */ |
=?utf-8?q?Michel_D=C3=A4nzer?= | bea5679 | 2006-10-24 23:04:19 +1000 | [diff] [blame] | 749 | |
| 750 | /** \name Drawable information */ |
| 751 | /*@{ */ |
| 752 | spinlock_t drw_lock; |
| 753 | unsigned int drw_bitfield_length; |
| 754 | u32 *drw_bitfield; |
| 755 | unsigned int drw_info_length; |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 756 | struct drm_drawable_info **drw_info; |
=?utf-8?q?Michel_D=C3=A4nzer?= | bea5679 | 2006-10-24 23:04:19 +1000 | [diff] [blame] | 757 | /*@} */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 758 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 760 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
| 761 | int feature) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 762 | { |
| 763 | return ((dev->driver->driver_features & feature) ? 1 : 0); |
| 764 | } |
| 765 | |
Dave Airlie | 3322960 | 2006-08-07 20:23:42 +1000 | [diff] [blame] | 766 | #ifdef __alpha__ |
Jay Estabrook | 6244270 | 2007-03-11 11:46:27 +1100 | [diff] [blame] | 767 | #define drm_get_pci_domain(dev) dev->hose->index |
Dave Airlie | 3322960 | 2006-08-07 20:23:42 +1000 | [diff] [blame] | 768 | #else |
Dave Airlie | 9b1a51b | 2006-09-22 03:37:19 +1000 | [diff] [blame] | 769 | #define drm_get_pci_domain(dev) 0 |
Dave Airlie | 3322960 | 2006-08-07 20:23:42 +1000 | [diff] [blame] | 770 | #endif |
| 771 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | #if __OS_HAS_AGP |
| 773 | static inline int drm_core_has_AGP(struct drm_device *dev) |
| 774 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 775 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 776 | } |
| 777 | #else |
| 778 | #define drm_core_has_AGP(dev) (0) |
| 779 | #endif |
| 780 | |
| 781 | #if __OS_HAS_MTRR |
| 782 | static inline int drm_core_has_MTRR(struct drm_device *dev) |
| 783 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 784 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | } |
Dave Airlie | 269dc51 | 2006-01-02 16:23:01 +1100 | [diff] [blame] | 786 | |
| 787 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB |
| 788 | |
| 789 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, |
| 790 | unsigned int flags) |
| 791 | { |
| 792 | return mtrr_add(offset, size, flags, 1); |
| 793 | } |
| 794 | |
| 795 | static inline int drm_mtrr_del(int handle, unsigned long offset, |
| 796 | unsigned long size, unsigned int flags) |
| 797 | { |
| 798 | return mtrr_del(handle, offset, size); |
| 799 | } |
| 800 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 801 | #else |
| 802 | #define drm_core_has_MTRR(dev) (0) |
Dave Airlie | 9c7d462 | 2006-01-12 20:44:30 +1100 | [diff] [blame] | 803 | |
| 804 | #define DRM_MTRR_WC 0 |
| 805 | |
| 806 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, |
| 807 | unsigned int flags) |
| 808 | { |
| 809 | return 0; |
| 810 | } |
| 811 | |
| 812 | static inline int drm_mtrr_del(int handle, unsigned long offset, |
| 813 | unsigned long size, unsigned int flags) |
| 814 | { |
| 815 | return 0; |
| 816 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | #endif |
| 818 | |
| 819 | /******************************************************************/ |
| 820 | /** \name Internal function definitions */ |
| 821 | /*@{*/ |
| 822 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 823 | /* Driver support (drm_drv.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 824 | extern int drm_init(struct drm_driver *driver); |
| 825 | extern void drm_exit(struct drm_driver *driver); |
| 826 | extern int drm_ioctl(struct inode *inode, struct file *filp, |
| 827 | unsigned int cmd, unsigned long arg); |
| 828 | extern long drm_compat_ioctl(struct file *filp, |
| 829 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 830 | extern int drm_lastclose(struct drm_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 831 | |
| 832 | /* Device support (drm_fops.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 833 | extern int drm_open(struct inode *inode, struct file *filp); |
| 834 | extern int drm_stub_open(struct inode *inode, struct file *filp); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 835 | extern int drm_fasync(int fd, struct file *filp, int on); |
| 836 | extern int drm_release(struct inode *inode, struct file *filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | |
| 838 | /* Mapping support (drm_vm.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 839 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
| 840 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | |
| 842 | /* Memory management support (drm_memory.h) */ |
| 843 | #include "drm_memory.h" |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 844 | extern void drm_mem_init(void); |
| 845 | extern int drm_mem_info(char *buf, char **start, off_t offset, |
| 846 | int request, int *eof, void *data); |
| 847 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 848 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 849 | extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 850 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); |
| 851 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); |
| 852 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 853 | |
| 854 | /* Misc. IOCTL support (drm_ioctl.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 855 | extern int drm_irq_by_busid(struct inode *inode, struct file *filp, |
| 856 | unsigned int cmd, unsigned long arg); |
| 857 | extern int drm_getunique(struct inode *inode, struct file *filp, |
| 858 | unsigned int cmd, unsigned long arg); |
| 859 | extern int drm_setunique(struct inode *inode, struct file *filp, |
| 860 | unsigned int cmd, unsigned long arg); |
| 861 | extern int drm_getmap(struct inode *inode, struct file *filp, |
| 862 | unsigned int cmd, unsigned long arg); |
| 863 | extern int drm_getclient(struct inode *inode, struct file *filp, |
| 864 | unsigned int cmd, unsigned long arg); |
| 865 | extern int drm_getstats(struct inode *inode, struct file *filp, |
| 866 | unsigned int cmd, unsigned long arg); |
| 867 | extern int drm_setversion(struct inode *inode, struct file *filp, |
| 868 | unsigned int cmd, unsigned long arg); |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 869 | extern int drm_noop(struct inode *inode, struct file *filp, |
| 870 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 871 | |
| 872 | /* Context IOCTL support (drm_context.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 873 | extern int drm_resctx(struct inode *inode, struct file *filp, |
| 874 | unsigned int cmd, unsigned long arg); |
| 875 | extern int drm_addctx(struct inode *inode, struct file *filp, |
| 876 | unsigned int cmd, unsigned long arg); |
| 877 | extern int drm_modctx(struct inode *inode, struct file *filp, |
| 878 | unsigned int cmd, unsigned long arg); |
| 879 | extern int drm_getctx(struct inode *inode, struct file *filp, |
| 880 | unsigned int cmd, unsigned long arg); |
| 881 | extern int drm_switchctx(struct inode *inode, struct file *filp, |
| 882 | unsigned int cmd, unsigned long arg); |
| 883 | extern int drm_newctx(struct inode *inode, struct file *filp, |
| 884 | unsigned int cmd, unsigned long arg); |
| 885 | extern int drm_rmctx(struct inode *inode, struct file *filp, |
| 886 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 887 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 888 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
| 889 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); |
| 890 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 892 | extern int drm_setsareactx(struct inode *inode, struct file *filp, |
| 893 | unsigned int cmd, unsigned long arg); |
| 894 | extern int drm_getsareactx(struct inode *inode, struct file *filp, |
| 895 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 896 | |
| 897 | /* Drawable IOCTL support (drm_drawable.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 898 | extern int drm_adddraw(struct inode *inode, struct file *filp, |
| 899 | unsigned int cmd, unsigned long arg); |
| 900 | extern int drm_rmdraw(struct inode *inode, struct file *filp, |
| 901 | unsigned int cmd, unsigned long arg); |
=?utf-8?q?Michel_D=C3=A4nzer?= | bea5679 | 2006-10-24 23:04:19 +1000 | [diff] [blame] | 902 | extern int drm_update_drawable_info(struct inode *inode, struct file *filp, |
| 903 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 904 | extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, |
=?utf-8?q?Michel_D=C3=A4nzer?= | bea5679 | 2006-10-24 23:04:19 +1000 | [diff] [blame] | 905 | drm_drawable_t id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | |
| 907 | /* Authentication IOCTL support (drm_auth.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 908 | extern int drm_getmagic(struct inode *inode, struct file *filp, |
| 909 | unsigned int cmd, unsigned long arg); |
| 910 | extern int drm_authmagic(struct inode *inode, struct file *filp, |
| 911 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 913 | /* Locking IOCTL support (drm_lock.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 914 | extern int drm_lock(struct inode *inode, struct file *filp, |
| 915 | unsigned int cmd, unsigned long arg); |
| 916 | extern int drm_unlock(struct inode *inode, struct file *filp, |
| 917 | unsigned int cmd, unsigned long arg); |
Thomas Hellstrom | 040ac32 | 2007-03-23 13:28:33 +1100 | [diff] [blame] | 918 | extern int drm_lock_take(drm_lock_data_t *lock_data, unsigned int context); |
| 919 | extern int drm_lock_free(drm_lock_data_t *lock_data, unsigned int context); |
| 920 | extern void drm_idlelock_take(drm_lock_data_t *lock_data); |
| 921 | extern void drm_idlelock_release(drm_lock_data_t *lock_data); |
| 922 | |
| 923 | /* |
| 924 | * These are exported to drivers so that they can implement fencing using |
| 925 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. |
| 926 | */ |
| 927 | |
| 928 | extern int drm_i_have_hw_lock(struct file *filp); |
| 929 | extern int drm_kernel_take_hw_lock(struct file *filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 930 | |
| 931 | /* Buffer management support (drm_bufs.h) */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 932 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
| 933 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); |
| 934 | extern int drm_addmap(struct drm_device *dev, unsigned int offset, |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 935 | unsigned int size, enum drm_map_type type, |
| 936 | enum drm_map_flags flags, drm_local_map_t ** map_ptr); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 937 | extern int drm_addmap_ioctl(struct inode *inode, struct file *filp, |
| 938 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 939 | extern int drm_rmmap(struct drm_device *dev, drm_local_map_t * map); |
| 940 | extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t * map); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 941 | extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp, |
| 942 | unsigned int cmd, unsigned long arg); |
| 943 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 944 | extern int drm_order(unsigned long size); |
| 945 | extern int drm_addbufs(struct inode *inode, struct file *filp, |
| 946 | unsigned int cmd, unsigned long arg); |
| 947 | extern int drm_infobufs(struct inode *inode, struct file *filp, |
| 948 | unsigned int cmd, unsigned long arg); |
| 949 | extern int drm_markbufs(struct inode *inode, struct file *filp, |
| 950 | unsigned int cmd, unsigned long arg); |
| 951 | extern int drm_freebufs(struct inode *inode, struct file *filp, |
| 952 | unsigned int cmd, unsigned long arg); |
| 953 | extern int drm_mapbufs(struct inode *inode, struct file *filp, |
| 954 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 955 | extern unsigned long drm_get_resource_start(struct drm_device *dev, |
Dave Airlie | 836cf04 | 2005-07-10 19:27:04 +1000 | [diff] [blame] | 956 | unsigned int resource); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 957 | extern unsigned long drm_get_resource_len(struct drm_device *dev, |
Dave Airlie | 836cf04 | 2005-07-10 19:27:04 +1000 | [diff] [blame] | 958 | unsigned int resource); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | |
| 960 | /* DMA support (drm_dma.h) */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 961 | extern int drm_dma_setup(struct drm_device *dev); |
| 962 | extern void drm_dma_takedown(struct drm_device *dev); |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 963 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 964 | extern void drm_core_reclaim_buffers(struct drm_device *dev, struct file *filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | |
| 966 | /* IRQ support (drm_irq.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 967 | extern int drm_control(struct inode *inode, struct file *filp, |
| 968 | unsigned int cmd, unsigned long arg); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 969 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 970 | extern int drm_irq_uninstall(struct drm_device *dev); |
| 971 | extern void drm_driver_irq_preinstall(struct drm_device *dev); |
| 972 | extern void drm_driver_irq_postinstall(struct drm_device *dev); |
| 973 | extern void drm_driver_irq_uninstall(struct drm_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 974 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 975 | extern int drm_wait_vblank(struct inode *inode, struct file *filp, |
| 976 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 977 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
| 978 | extern void drm_vbl_send_signals(struct drm_device *dev); |
| 979 | extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 980 | |
| 981 | /* AGP/GART support (drm_agpsupport.h) */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 982 | extern drm_agp_head_t *drm_agp_init(struct drm_device *dev); |
| 983 | extern int drm_agp_acquire(struct drm_device *dev); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 984 | extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 985 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 986 | extern int drm_agp_release(struct drm_device *dev); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 987 | extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 988 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 989 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 990 | extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 991 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 992 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info * info); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 993 | extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 994 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 995 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
Dave Airlie | efa5839 | 2005-11-11 22:33:39 +1100 | [diff] [blame] | 996 | extern int drm_agp_alloc_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 997 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 998 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
Dave Airlie | efa5839 | 2005-11-11 22:33:39 +1100 | [diff] [blame] | 999 | extern int drm_agp_free_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 1000 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1001 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
Dave Airlie | efa5839 | 2005-11-11 22:33:39 +1100 | [diff] [blame] | 1002 | extern int drm_agp_unbind_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1003 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1004 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
Dave Airlie | efa5839 | 2005-11-11 22:33:39 +1100 | [diff] [blame] | 1005 | extern int drm_agp_bind_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1006 | unsigned int cmd, unsigned long arg); |
| 1007 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, |
| 1008 | size_t pages, u32 type); |
| 1009 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); |
| 1010 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); |
| 1011 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | |
| 1013 | /* Stub support (drm_stub.h) */ |
| 1014 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1015 | struct drm_driver *driver); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1016 | extern int drm_put_dev(struct drm_device *dev); |
| 1017 | extern int drm_put_head(struct drm_head *head); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1018 | extern unsigned int drm_debug; |
| 1019 | extern unsigned int drm_cards_limit; |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1020 | extern struct drm_head **drm_heads; |
Greg Kroah-Hartman | 0650fd5 | 2006-01-20 14:08:59 -0800 | [diff] [blame] | 1021 | extern struct class *drm_class; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | extern struct proc_dir_entry *drm_proc_root; |
| 1023 | |
Dave Airlie | da509d7 | 2007-05-26 05:04:51 +1000 | [diff] [blame] | 1024 | extern drm_local_map_t *drm_getsarea(struct drm_device *dev); |
| 1025 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1026 | /* Proc support (drm_proc.h) */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1027 | extern int drm_proc_init(struct drm_device *dev, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1028 | int minor, |
| 1029 | struct proc_dir_entry *root, |
| 1030 | struct proc_dir_entry **dev_root); |
| 1031 | extern int drm_proc_cleanup(int minor, |
| 1032 | struct proc_dir_entry *root, |
| 1033 | struct proc_dir_entry *dev_root); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1034 | |
| 1035 | /* Scatter Gather Support (drm_scatter.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1036 | extern void drm_sg_cleanup(drm_sg_mem_t * entry); |
| 1037 | extern int drm_sg_alloc(struct inode *inode, struct file *filp, |
| 1038 | unsigned int cmd, unsigned long arg); |
| 1039 | extern int drm_sg_free(struct inode *inode, struct file *filp, |
| 1040 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1041 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1042 | /* ATI PCIGART support (ati_pcigart.h) */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1043 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1044 | drm_ati_pcigart_info * gart_info); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1045 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1046 | drm_ati_pcigart_info * gart_info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1047 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1048 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
Dave Airlie | 9c8da5e | 2005-07-10 15:38:56 +1000 | [diff] [blame] | 1049 | size_t align, dma_addr_t maxaddr); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1050 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
| 1051 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1052 | |
| 1053 | /* sysfs support (drm_sysfs.c) */ |
Greg Kroah-Hartman | 0650fd5 | 2006-01-20 14:08:59 -0800 | [diff] [blame] | 1054 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
| 1055 | extern void drm_sysfs_destroy(struct class *cs); |
| 1056 | extern struct class_device *drm_sysfs_device_add(struct class *cs, |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1057 | struct drm_head *head); |
Dave Airlie | 732052e | 2005-11-11 22:07:35 +1100 | [diff] [blame] | 1058 | extern void drm_sysfs_device_remove(struct class_device *class_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1059 | |
Thomas Hellstrom | 3a1bd92 | 2006-08-07 21:30:28 +1000 | [diff] [blame] | 1060 | /* |
| 1061 | * Basic memory manager support (drm_mm.c) |
| 1062 | */ |
| 1063 | extern drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent, |
| 1064 | unsigned long size, |
| 1065 | unsigned alignment); |
Thomas Hellstrom | 1d58420 | 2007-01-08 22:25:47 +1100 | [diff] [blame] | 1066 | void drm_mm_put_block(drm_mm_node_t * cur); |
Thomas Hellstrom | 3a1bd92 | 2006-08-07 21:30:28 +1000 | [diff] [blame] | 1067 | extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size, |
| 1068 | unsigned alignment, int best_match); |
| 1069 | extern int drm_mm_init(drm_mm_t *mm, unsigned long start, unsigned long size); |
| 1070 | extern void drm_mm_takedown(drm_mm_t *mm); |
Thomas Hellstrom | 1d58420 | 2007-01-08 22:25:47 +1100 | [diff] [blame] | 1071 | extern int drm_mm_clean(drm_mm_t *mm); |
| 1072 | extern unsigned long drm_mm_tail_space(drm_mm_t *mm); |
| 1073 | extern int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size); |
| 1074 | extern int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size); |
Thomas Hellstrom | 3a1bd92 | 2006-08-07 21:30:28 +1000 | [diff] [blame] | 1075 | |
Christoph Hellwig | 004a772 | 2007-01-08 21:56:59 +1100 | [diff] [blame] | 1076 | extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); |
| 1077 | extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1079 | static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, |
| 1080 | unsigned int token) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1081 | { |
Dave Airlie | d1f2b55 | 2005-08-05 22:11:22 +1000 | [diff] [blame] | 1082 | drm_map_list_t *_entry; |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 1083 | list_for_each_entry(_entry, &dev->maplist, head) |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1084 | if (_entry->user_token == token) |
| 1085 | return _entry->map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1086 | return NULL; |
| 1087 | } |
| 1088 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1089 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 1090 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1091 | if (dev->driver->device_is_agp != NULL) { |
| 1092 | int err = (*dev->driver->device_is_agp) (dev); |
| 1093 | |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 1094 | if (err != 2) { |
| 1095 | return err; |
| 1096 | } |
| 1097 | } |
| 1098 | |
| 1099 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); |
| 1100 | } |
| 1101 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1102 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 1103 | { |
| 1104 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); |
| 1105 | } |
| 1106 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | static __inline__ void drm_core_dropmap(struct drm_map *map) |
| 1108 | { |
| 1109 | } |
| 1110 | |
| 1111 | #ifndef DEBUG_MEMORY |
| 1112 | /** Wrapper around kmalloc() */ |
| 1113 | static __inline__ void *drm_alloc(size_t size, int area) |
| 1114 | { |
| 1115 | return kmalloc(size, GFP_KERNEL); |
| 1116 | } |
| 1117 | |
| 1118 | /** Wrapper around kfree() */ |
| 1119 | static __inline__ void drm_free(void *pt, size_t size, int area) |
| 1120 | { |
| 1121 | kfree(pt); |
| 1122 | } |
Dave Airlie | b952324 | 2005-07-07 20:33:26 +1000 | [diff] [blame] | 1123 | |
| 1124 | /** Wrapper around kcalloc() */ |
| 1125 | static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) |
| 1126 | { |
| 1127 | return kcalloc(nmemb, size, GFP_KERNEL); |
| 1128 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1129 | #else |
| 1130 | extern void *drm_alloc(size_t size, int area); |
| 1131 | extern void drm_free(void *pt, size_t size, int area); |
Dave Airlie | b952324 | 2005-07-07 20:33:26 +1000 | [diff] [blame] | 1132 | extern void *drm_calloc(size_t nmemb, size_t size, int area); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1133 | #endif |
| 1134 | |
| 1135 | /*@}*/ |
| 1136 | |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 1137 | extern unsigned long drm_core_get_map_ofs(struct drm_map * map); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1138 | extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); |
| 1139 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1140 | #endif /* __KERNEL__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1141 | #endif |