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/config.h> |
| 48 | #include <linux/module.h> |
| 49 | #include <linux/kernel.h> |
| 50 | #include <linux/miscdevice.h> |
| 51 | #include <linux/fs.h> |
| 52 | #include <linux/proc_fs.h> |
| 53 | #include <linux/init.h> |
| 54 | #include <linux/file.h> |
| 55 | #include <linux/pci.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | #include <linux/jiffies.h> |
| 57 | #include <linux/smp_lock.h> /* For (un)lock_kernel */ |
| 58 | #include <linux/mm.h> |
| 59 | #include <linux/cdev.h> |
| 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" |
| 82 | |
| 83 | /***********************************************************************/ |
| 84 | /** \name DRM template customization defaults */ |
| 85 | /*@{*/ |
| 86 | |
| 87 | /* driver capabilities and requirements mask */ |
| 88 | #define DRIVER_USE_AGP 0x1 |
| 89 | #define DRIVER_REQUIRE_AGP 0x2 |
| 90 | #define DRIVER_USE_MTRR 0x4 |
| 91 | #define DRIVER_PCI_DMA 0x8 |
| 92 | #define DRIVER_SG 0x10 |
| 93 | #define DRIVER_HAVE_DMA 0x20 |
| 94 | #define DRIVER_HAVE_IRQ 0x40 |
| 95 | #define DRIVER_IRQ_SHARED 0x80 |
| 96 | #define DRIVER_IRQ_VBL 0x100 |
| 97 | #define DRIVER_DMA_QUEUE 0x200 |
Dave Airlie | b84397d6 | 2005-07-10 14:46:12 +1000 | [diff] [blame] | 98 | #define DRIVER_FB_DMA 0x400 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | |
| 100 | /***********************************************************************/ |
| 101 | /** \name Begin the DRM... */ |
| 102 | /*@{*/ |
| 103 | |
| 104 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then |
| 105 | also include looping detection. */ |
| 106 | |
| 107 | #define DRM_HASH_SIZE 16 /**< Size of key hash table. Must be power of 2. */ |
| 108 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
| 109 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ |
| 110 | #define DRM_LOOPING_LIMIT 5000000 |
| 111 | #define DRM_BSZ 1024 /**< Buffer size for /dev/drm? output */ |
| 112 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
| 113 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ |
| 114 | |
| 115 | #define DRM_FLAG_DEBUG 0x01 |
| 116 | |
| 117 | #define DRM_MEM_DMA 0 |
| 118 | #define DRM_MEM_SAREA 1 |
| 119 | #define DRM_MEM_DRIVER 2 |
| 120 | #define DRM_MEM_MAGIC 3 |
| 121 | #define DRM_MEM_IOCTLS 4 |
| 122 | #define DRM_MEM_MAPS 5 |
| 123 | #define DRM_MEM_VMAS 6 |
| 124 | #define DRM_MEM_BUFS 7 |
| 125 | #define DRM_MEM_SEGS 8 |
| 126 | #define DRM_MEM_PAGES 9 |
| 127 | #define DRM_MEM_FILES 10 |
| 128 | #define DRM_MEM_QUEUES 11 |
| 129 | #define DRM_MEM_CMDS 12 |
| 130 | #define DRM_MEM_MAPPINGS 13 |
| 131 | #define DRM_MEM_BUFLISTS 14 |
| 132 | #define DRM_MEM_AGPLISTS 15 |
| 133 | #define DRM_MEM_TOTALAGP 16 |
| 134 | #define DRM_MEM_BOUNDAGP 17 |
| 135 | #define DRM_MEM_CTXBITMAP 18 |
| 136 | #define DRM_MEM_STUB 19 |
| 137 | #define DRM_MEM_SGLISTS 20 |
| 138 | #define DRM_MEM_CTXLIST 21 |
| 139 | |
| 140 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 142 | /*@}*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | |
| 144 | /***********************************************************************/ |
| 145 | /** \name Backward compatibility section */ |
| 146 | /*@{*/ |
| 147 | |
| 148 | #ifndef MODULE_LICENSE |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 149 | #define MODULE_LICENSE(x) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | #endif |
| 151 | |
| 152 | #ifndef preempt_disable |
| 153 | #define preempt_disable() |
| 154 | #define preempt_enable() |
| 155 | #endif |
| 156 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 157 | #ifndef pte_offset_map |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | #define pte_offset_map pte_offset |
| 159 | #define pte_unmap(pte) |
| 160 | #endif |
| 161 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | #define DRM_RPR_ARG(vma) vma, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | |
| 164 | #define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT) |
| 165 | |
| 166 | /*@}*/ |
| 167 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | /***********************************************************************/ |
| 169 | /** \name Macros to make printk easier */ |
| 170 | /*@{*/ |
| 171 | |
| 172 | /** |
| 173 | * Error output. |
| 174 | * |
| 175 | * \param fmt printf() like format string. |
| 176 | * \param arg arguments |
| 177 | */ |
| 178 | #define DRM_ERROR(fmt, arg...) \ |
| 179 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg) |
| 180 | |
| 181 | /** |
| 182 | * Memory error output. |
| 183 | * |
| 184 | * \param area memory area where the error occurred. |
| 185 | * \param fmt printf() like format string. |
| 186 | * \param arg arguments |
| 187 | */ |
| 188 | #define DRM_MEM_ERROR(area, fmt, arg...) \ |
| 189 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \ |
| 190 | drm_mem_stats[area].name , ##arg) |
| 191 | |
| 192 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) |
| 193 | |
| 194 | /** |
| 195 | * Debug output. |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 196 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | * \param fmt printf() like format string. |
| 198 | * \param arg arguments |
| 199 | */ |
| 200 | #if DRM_DEBUG_CODE |
| 201 | #define DRM_DEBUG(fmt, arg...) \ |
| 202 | do { \ |
| 203 | if ( drm_debug ) \ |
| 204 | printk(KERN_DEBUG \ |
| 205 | "[" DRM_NAME ":%s] " fmt , \ |
| 206 | __FUNCTION__ , ##arg); \ |
| 207 | } while (0) |
| 208 | #else |
| 209 | #define DRM_DEBUG(fmt, arg...) do { } while (0) |
| 210 | #endif |
| 211 | |
| 212 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) |
| 213 | |
| 214 | #define DRM_PROC_PRINT(fmt, arg...) \ |
| 215 | len += sprintf(&buf[len], fmt , ##arg); \ |
| 216 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } |
| 217 | |
| 218 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ |
| 219 | len += sprintf(&buf[len], fmt , ##arg); \ |
| 220 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } |
| 221 | |
| 222 | /*@}*/ |
| 223 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | /***********************************************************************/ |
| 225 | /** \name Internal types and structures */ |
| 226 | /*@{*/ |
| 227 | |
Dave Airlie | 99a2657 | 2005-09-25 13:25:41 +1000 | [diff] [blame] | 228 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
| 229 | #define DRM_MIN(a,b) min(a,b) |
| 230 | #define DRM_MAX(a,b) max(a,b) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | |
| 232 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) |
| 233 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) |
| 234 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) |
| 235 | |
| 236 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) |
| 237 | /** |
| 238 | * Get the private SAREA mapping. |
| 239 | * |
| 240 | * \param _dev DRM device. |
| 241 | * \param _ctx context number. |
| 242 | * \param _map output mapping. |
| 243 | */ |
| 244 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ |
| 245 | (_map) = (_dev)->context_sareas[_ctx]; \ |
| 246 | } while(0) |
| 247 | |
| 248 | /** |
| 249 | * Test that the hardware lock is held by the caller, returning otherwise. |
| 250 | * |
| 251 | * \param dev DRM device. |
| 252 | * \param filp file pointer of the caller. |
| 253 | */ |
| 254 | #define LOCK_TEST_WITH_RETURN( dev, filp ) \ |
| 255 | do { \ |
| 256 | if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ |
| 257 | dev->lock.filp != filp ) { \ |
| 258 | DRM_ERROR( "%s called without lock held\n", \ |
| 259 | __FUNCTION__ ); \ |
| 260 | return -EINVAL; \ |
| 261 | } \ |
| 262 | } while (0) |
| 263 | |
| 264 | /** |
| 265 | * Copy and IOCTL return string to user space |
| 266 | */ |
| 267 | #define DRM_COPY( name, value ) \ |
| 268 | len = strlen( value ); \ |
| 269 | if ( len > name##_len ) len = name##_len; \ |
| 270 | name##_len = strlen( value ); \ |
| 271 | if ( len && name ) { \ |
| 272 | if ( copy_to_user( name, value, len ) ) \ |
| 273 | return -EFAULT; \ |
| 274 | } |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 275 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | /** |
| 277 | * Ioctl function type. |
| 278 | * |
| 279 | * \param inode device inode. |
| 280 | * \param filp file pointer. |
| 281 | * \param cmd command. |
| 282 | * \param arg argument. |
| 283 | */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 284 | typedef int drm_ioctl_t(struct inode *inode, struct file *filp, |
| 285 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | |
Dave Airlie | 9a18664 | 2005-06-23 21:29:18 +1000 | [diff] [blame] | 287 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
| 288 | unsigned long arg); |
| 289 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | typedef struct drm_ioctl_desc { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 291 | drm_ioctl_t *func; |
| 292 | int auth_needed; |
| 293 | int root_only; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | } drm_ioctl_desc_t; |
| 295 | |
| 296 | typedef struct drm_devstate { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 297 | pid_t owner; /**< X server pid holding x_lock */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | } drm_devstate_t; |
| 299 | |
| 300 | typedef struct drm_magic_entry { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 301 | drm_magic_t magic; |
| 302 | struct drm_file *priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | struct drm_magic_entry *next; |
| 304 | } drm_magic_entry_t; |
| 305 | |
| 306 | typedef struct drm_magic_head { |
| 307 | struct drm_magic_entry *head; |
| 308 | struct drm_magic_entry *tail; |
| 309 | } drm_magic_head_t; |
| 310 | |
| 311 | typedef struct drm_vma_entry { |
| 312 | struct vm_area_struct *vma; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 313 | struct drm_vma_entry *next; |
| 314 | pid_t pid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | } drm_vma_entry_t; |
| 316 | |
| 317 | /** |
| 318 | * DMA buffer. |
| 319 | */ |
| 320 | typedef struct drm_buf { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 321 | int idx; /**< Index into master buflist */ |
| 322 | int total; /**< Buffer size */ |
| 323 | int order; /**< log-base-2(total) */ |
| 324 | int used; /**< Amount of buffer in use (for DMA) */ |
| 325 | unsigned long offset; /**< Byte offset (used internally) */ |
| 326 | void *address; /**< Address of buffer */ |
| 327 | unsigned long bus_address; /**< Bus address of buffer */ |
| 328 | struct drm_buf *next; /**< Kernel-only: used for free list */ |
| 329 | __volatile__ int waiting; /**< On kernel DMA queue */ |
| 330 | __volatile__ int pending; /**< On hardware DMA queue */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 332 | struct file *filp; /**< Pointer to holding file descr */ |
| 333 | int context; /**< Kernel queue for this buffer */ |
| 334 | int while_locked; /**< Dispatch this buffer while locked */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | enum { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 336 | DRM_LIST_NONE = 0, |
| 337 | DRM_LIST_FREE = 1, |
| 338 | DRM_LIST_WAIT = 2, |
| 339 | DRM_LIST_PEND = 3, |
| 340 | DRM_LIST_PRIO = 4, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | DRM_LIST_RECLAIM = 5 |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 342 | } list; /**< Which list we're on */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 344 | int dev_priv_size; /**< Size of buffer private storage */ |
| 345 | void *dev_private; /**< Per-buffer private storage */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | } drm_buf_t; |
| 347 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | /** bufs is one longer than it has to be */ |
| 349 | typedef struct drm_waitlist { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 350 | int count; /**< Number of possible buffers */ |
| 351 | drm_buf_t **bufs; /**< List of pointers to buffers */ |
| 352 | drm_buf_t **rp; /**< Read pointer */ |
| 353 | drm_buf_t **wp; /**< Write pointer */ |
| 354 | drm_buf_t **end; /**< End pointer */ |
| 355 | spinlock_t read_lock; |
| 356 | spinlock_t write_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | } drm_waitlist_t; |
| 358 | |
| 359 | typedef struct drm_freelist { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 360 | int initialized; /**< Freelist in use */ |
| 361 | atomic_t count; /**< Number of free buffers */ |
| 362 | drm_buf_t *next; /**< End pointer */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | |
| 364 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 365 | int low_mark; /**< Low water mark */ |
| 366 | int high_mark; /**< High water mark */ |
| 367 | atomic_t wfh; /**< If waiting for high mark */ |
| 368 | spinlock_t lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | } drm_freelist_t; |
| 370 | |
| 371 | /** |
| 372 | * Buffer entry. There is one of this for each buffer size order. |
| 373 | */ |
| 374 | typedef struct drm_buf_entry { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 375 | int buf_size; /**< size */ |
| 376 | int buf_count; /**< number of buffers */ |
| 377 | drm_buf_t *buflist; /**< buffer list */ |
| 378 | int seg_count; |
| 379 | int page_order; |
| 380 | unsigned long *seglist; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 382 | drm_freelist_t freelist; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | } drm_buf_entry_t; |
| 384 | |
| 385 | /** File private data */ |
| 386 | typedef struct drm_file { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 387 | int authenticated; |
| 388 | int minor; |
| 389 | pid_t pid; |
| 390 | uid_t uid; |
| 391 | drm_magic_t magic; |
| 392 | unsigned long ioctl_count; |
| 393 | struct drm_file *next; |
| 394 | struct drm_file *prev; |
| 395 | struct drm_head *head; |
| 396 | int remove_auth_on_close; |
| 397 | unsigned long lock_count; |
| 398 | void *driver_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | } drm_file_t; |
| 400 | |
| 401 | /** Wait queue */ |
| 402 | typedef struct drm_queue { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 403 | atomic_t use_count; /**< Outstanding uses (+1) */ |
| 404 | atomic_t finalization; /**< Finalization in progress */ |
| 405 | atomic_t block_count; /**< Count of processes waiting */ |
| 406 | atomic_t block_read; /**< Queue blocked for reads */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 408 | atomic_t block_write; /**< Queue blocked for writes */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
| 410 | #if 1 |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 411 | atomic_t total_queued; /**< Total queued statistic */ |
| 412 | atomic_t total_flushed; /**< Total flushes statistic */ |
| 413 | atomic_t total_locks; /**< Total locks statistics */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | #endif |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 415 | drm_ctx_flags_t flags; /**< Context preserving and 2D-only */ |
| 416 | drm_waitlist_t waitlist; /**< Pending buffers */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
| 418 | } drm_queue_t; |
| 419 | |
| 420 | /** |
| 421 | * Lock data. |
| 422 | */ |
| 423 | typedef struct drm_lock_data { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 424 | drm_hw_lock_t *hw_lock; /**< Hardware lock */ |
| 425 | struct file *filp; /**< File descr of lock holder (0=kernel) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 427 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | } drm_lock_data_t; |
| 429 | |
| 430 | /** |
| 431 | * DMA data. |
| 432 | */ |
| 433 | typedef struct drm_device_dma { |
| 434 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 435 | drm_buf_entry_t bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
| 436 | int buf_count; /**< total number of buffers */ |
| 437 | drm_buf_t **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
| 438 | int seg_count; |
| 439 | int page_count; /**< number of pages */ |
| 440 | unsigned long *pagelist; /**< page list */ |
| 441 | unsigned long byte_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | enum { |
| 443 | _DRM_DMA_USE_AGP = 0x01, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 444 | _DRM_DMA_USE_SG = 0x02, |
| 445 | _DRM_DMA_USE_FB = 0x04 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | } flags; |
| 447 | |
| 448 | } drm_device_dma_t; |
| 449 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 450 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | * AGP memory entry. Stored as a doubly linked list. |
| 452 | */ |
| 453 | typedef struct drm_agp_mem { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 454 | unsigned long handle; /**< handle */ |
| 455 | DRM_AGP_MEM *memory; |
| 456 | unsigned long bound; /**< address */ |
| 457 | int pages; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | struct drm_agp_mem *prev; /**< previous entry */ |
| 459 | struct drm_agp_mem *next; /**< next entry */ |
| 460 | } drm_agp_mem_t; |
| 461 | |
| 462 | /** |
| 463 | * AGP data. |
| 464 | * |
| 465 | * \sa drm_agp_init() and drm_device::agp. |
| 466 | */ |
| 467 | typedef struct drm_agp_head { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 468 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
| 469 | drm_agp_mem_t *memory; /**< memory entries */ |
| 470 | unsigned long mode; /**< AGP mode */ |
| 471 | struct agp_bridge_data *bridge; |
| 472 | int enabled; /**< whether the AGP bus as been enabled */ |
| 473 | int acquired; /**< whether the AGP device has been acquired */ |
| 474 | unsigned long base; |
| 475 | int agp_mtrr; |
| 476 | int cant_use_aperture; |
| 477 | unsigned long page_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | } drm_agp_head_t; |
| 479 | |
| 480 | /** |
| 481 | * Scatter-gather memory. |
| 482 | */ |
| 483 | typedef struct drm_sg_mem { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 484 | unsigned long handle; |
| 485 | void *virtual; |
| 486 | int pages; |
| 487 | struct page **pagelist; |
| 488 | dma_addr_t *busaddr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | } drm_sg_mem_t; |
| 490 | |
| 491 | typedef struct drm_sigdata { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 492 | int context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | drm_hw_lock_t *lock; |
| 494 | } drm_sigdata_t; |
| 495 | |
Dave Airlie | 9c8da5e | 2005-07-10 15:38:56 +1000 | [diff] [blame] | 496 | typedef struct drm_dma_handle { |
| 497 | dma_addr_t busaddr; |
| 498 | void *vaddr; |
| 499 | size_t size; |
| 500 | } drm_dma_handle_t; |
| 501 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | /** |
| 503 | * Mappings list |
| 504 | */ |
| 505 | typedef struct drm_map_list { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 506 | struct list_head head; /**< list head */ |
| 507 | drm_map_t *map; /**< mapping */ |
Dave Airlie | d1f2b55 | 2005-08-05 22:11:22 +1000 | [diff] [blame] | 508 | unsigned int user_token; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | } drm_map_list_t; |
| 510 | |
| 511 | typedef drm_map_t drm_local_map_t; |
| 512 | |
| 513 | /** |
| 514 | * Context handle list |
| 515 | */ |
| 516 | typedef struct drm_ctx_list { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 517 | struct list_head head; /**< list head */ |
| 518 | drm_context_t handle; /**< context handle */ |
| 519 | drm_file_t *tag; /**< associated fd private data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | } drm_ctx_list_t; |
| 521 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | typedef struct drm_vbl_sig { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 523 | struct list_head head; |
| 524 | unsigned int sequence; |
| 525 | struct siginfo info; |
| 526 | struct task_struct *task; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | } drm_vbl_sig_t; |
| 528 | |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 529 | /* location of GART table */ |
| 530 | #define DRM_ATI_GART_MAIN 1 |
| 531 | #define DRM_ATI_GART_FB 2 |
| 532 | |
| 533 | typedef struct ati_pcigart_info { |
| 534 | int gart_table_location; |
| 535 | int is_pcie; |
| 536 | unsigned long addr; |
| 537 | dma_addr_t bus_addr; |
| 538 | } drm_ati_pcigart_info; |
| 539 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | /** |
| 541 | * DRM driver structure. This structure represent the common code for |
| 542 | * a family of cards. There will one drm_device for each card present |
| 543 | * in this family |
| 544 | */ |
| 545 | struct drm_device; |
| 546 | |
| 547 | struct drm_driver { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 548 | int (*preinit) (struct drm_device *, unsigned long flags); |
| 549 | void (*prerelease) (struct drm_device *, struct file * filp); |
| 550 | void (*pretakedown) (struct drm_device *); |
| 551 | int (*postcleanup) (struct drm_device *); |
| 552 | int (*presetup) (struct drm_device *); |
| 553 | int (*postsetup) (struct drm_device *); |
| 554 | int (*dma_ioctl) (DRM_IOCTL_ARGS); |
| 555 | int (*open_helper) (struct drm_device *, drm_file_t *); |
| 556 | void (*free_filp_priv) (struct drm_device *, drm_file_t *); |
| 557 | void (*release) (struct drm_device *, struct file * filp); |
| 558 | void (*dma_ready) (struct drm_device *); |
| 559 | int (*dma_quiescent) (struct drm_device *); |
| 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, |
| 563 | int new); |
| 564 | void (*kernel_context_switch_unlock) (struct drm_device * dev, |
| 565 | drm_lock_t * lock); |
| 566 | int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence); |
| 567 | |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 568 | /** |
| 569 | * Called by \c drm_device_is_agp. Typically used to determine if a |
| 570 | * card is really attached to AGP or not. |
| 571 | * |
| 572 | * \param dev DRM device handle |
| 573 | * |
| 574 | * \returns |
| 575 | * One of three values is returned depending on whether or not the |
| 576 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP |
| 577 | * (return of 1), or may or may not be AGP (return of 2). |
| 578 | */ |
| 579 | int (*device_is_agp) (struct drm_device * dev); |
| 580 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | /* these have to be filled in */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 582 | |
| 583 | int (*postinit) (struct drm_device *, unsigned long flags); |
| 584 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
| 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); |
| 589 | unsigned long (*get_map_ofs) (drm_map_t * map); |
| 590 | unsigned long (*get_reg_ofs) (struct drm_device * dev); |
| 591 | void (*set_version) (struct drm_device * dev, drm_set_version_t * sv); |
| 592 | int (*version) (drm_version_t * version); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | u32 driver_features; |
| 594 | int dev_priv_size; |
| 595 | drm_ioctl_desc_t *ioctls; |
| 596 | int num_ioctls; |
| 597 | struct file_operations fops; |
| 598 | struct pci_driver pci_driver; |
| 599 | }; |
| 600 | |
| 601 | /** |
| 602 | * DRM head structure. This structure represent a video head on a card |
| 603 | * that may contain multiple heads. Embed one per head of these in the |
| 604 | * private drm_device structure. |
| 605 | */ |
| 606 | typedef struct drm_head { |
| 607 | int minor; /**< Minor device number */ |
| 608 | struct drm_device *dev; |
| 609 | struct proc_dir_entry *dev_root; /**< proc directory entry */ |
| 610 | dev_t device; /**< Device number for mknod */ |
| 611 | struct class_device *dev_class; |
| 612 | } drm_head_t; |
| 613 | |
| 614 | /** |
| 615 | * DRM device structure. This structure represent a complete card that |
| 616 | * may contain multiple heads. |
| 617 | */ |
| 618 | typedef struct drm_device { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 619 | char *unique; /**< Unique identifier: e.g., busid */ |
| 620 | int unique_len; /**< Length of unique field */ |
| 621 | char *devname; /**< For /proc/interrupts */ |
| 622 | int if_version; /**< Highest interface version set */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 624 | int blocked; /**< Blocked due to VC switch? */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 625 | |
| 626 | /** \name Locks */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 627 | /*@{ */ |
| 628 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ |
| 629 | struct semaphore struct_sem; /**< For others */ |
| 630 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | |
| 632 | /** \name Usage Counters */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 633 | /*@{ */ |
| 634 | int open_count; /**< Outstanding files open */ |
| 635 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ |
| 636 | atomic_t vma_count; /**< Outstanding vma areas open */ |
| 637 | int buf_use; /**< Buffers in use -- cannot alloc */ |
| 638 | atomic_t buf_alloc; /**< Buffer allocation in progress */ |
| 639 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | |
| 641 | /** \name Performance counters */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 642 | /*@{ */ |
| 643 | unsigned long counters; |
| 644 | drm_stat_type_t types[15]; |
| 645 | atomic_t counts[15]; |
| 646 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | |
| 648 | /** \name Authentication */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 649 | /*@{ */ |
| 650 | drm_file_t *file_first; /**< file list head */ |
| 651 | drm_file_t *file_last; /**< file list tail */ |
| 652 | drm_magic_head_t magiclist[DRM_HASH_SIZE]; /**< magic hash table */ |
| 653 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | |
| 655 | /** \name Memory management */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 656 | /*@{ */ |
| 657 | drm_map_list_t *maplist; /**< Linked list of regions */ |
| 658 | int map_count; /**< Number of mappable regions */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | |
| 660 | /** \name Context handle management */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 661 | /*@{ */ |
| 662 | drm_ctx_list_t *ctxlist; /**< Linked list of context handles */ |
| 663 | int ctx_count; /**< Number of context handles */ |
| 664 | struct semaphore ctxlist_sem; /**< For ctxlist */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 666 | drm_map_t **context_sareas; /**< per-context SAREA's */ |
| 667 | int max_context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 668 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 669 | drm_vma_entry_t *vmalist; /**< List of vmas (for debugging) */ |
| 670 | drm_lock_data_t lock; /**< Information on hardware lock */ |
| 671 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | |
| 673 | /** \name DMA queues (contexts) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 674 | /*@{ */ |
| 675 | int queue_count; /**< Number of active DMA queues */ |
| 676 | int queue_reserved; /**< Number of reserved DMA queues */ |
| 677 | int queue_slots; /**< Actual length of queuelist */ |
| 678 | drm_queue_t **queuelist; /**< Vector of pointers to DMA queues */ |
| 679 | drm_device_dma_t *dma; /**< Optional pointer for DMA support */ |
| 680 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | |
| 682 | /** \name Context support */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 683 | /*@{ */ |
| 684 | int irq; /**< Interrupt used by board */ |
| 685 | int irq_enabled; /**< True if irq handler is enabled */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | __volatile__ long context_flag; /**< Context swapping flag */ |
| 687 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ |
| 688 | __volatile__ long dma_flag; /**< DMA dispatch flag */ |
| 689 | struct timer_list timer; /**< Timer for delaying ctx switch */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 690 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
| 691 | int last_checked; /**< Last context checked for DMA */ |
| 692 | int last_context; /**< Last current context */ |
| 693 | unsigned long last_switch; /**< jiffies at last context switch */ |
| 694 | /*@} */ |
| 695 | |
| 696 | struct work_struct work; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | /** \name VBLANK IRQ support */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 698 | /*@{ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 700 | wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ |
| 701 | atomic_t vbl_received; |
| 702 | spinlock_t vbl_lock; |
| 703 | drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */ |
| 704 | unsigned int vbl_pending; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 705 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 706 | /*@} */ |
| 707 | cycles_t ctx_start; |
| 708 | cycles_t lck_start; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 710 | char buf[DRM_BSZ]; /**< Output buffer */ |
| 711 | char *buf_rp; /**< Read pointer */ |
| 712 | char *buf_wp; /**< Write pointer */ |
| 713 | char *buf_end; /**< End pointer */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
| 715 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ |
| 716 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ |
| 717 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 718 | drm_agp_head_t *agp; /**< AGP data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 719 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 720 | struct pci_dev *pdev; /**< PCI device structure */ |
| 721 | int pci_domain; /**< PCI bus domain number */ |
| 722 | int pci_bus; /**< PCI bus number */ |
| 723 | int pci_slot; /**< PCI slot number */ |
| 724 | int pci_func; /**< PCI function number */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | #ifdef __alpha__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | struct pci_controller *hose; |
| 727 | #endif |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 728 | drm_sg_mem_t *sg; /**< Scatter gather memory */ |
| 729 | unsigned long *ctx_bitmap; /**< context bitmap */ |
| 730 | void *dev_private; /**< device private data */ |
| 731 | drm_sigdata_t sigdata; /**< For block_all_signals */ |
| 732 | sigset_t sigmask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 734 | struct drm_driver *driver; |
| 735 | drm_local_map_t *agp_buffer_map; |
Dave Airlie | d1f2b55 | 2005-08-05 22:11:22 +1000 | [diff] [blame] | 736 | unsigned int agp_buffer_token; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 737 | drm_head_t primary; /**< primary screen head */ |
| 738 | } drm_device_t; |
| 739 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 740 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
| 741 | int feature) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 742 | { |
| 743 | return ((dev->driver->driver_features & feature) ? 1 : 0); |
| 744 | } |
| 745 | |
| 746 | #if __OS_HAS_AGP |
| 747 | static inline int drm_core_has_AGP(struct drm_device *dev) |
| 748 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 749 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 750 | } |
| 751 | #else |
| 752 | #define drm_core_has_AGP(dev) (0) |
| 753 | #endif |
| 754 | |
| 755 | #if __OS_HAS_MTRR |
| 756 | static inline int drm_core_has_MTRR(struct drm_device *dev) |
| 757 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 758 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | } |
| 760 | #else |
| 761 | #define drm_core_has_MTRR(dev) (0) |
| 762 | #endif |
| 763 | |
| 764 | /******************************************************************/ |
| 765 | /** \name Internal function definitions */ |
| 766 | /*@{*/ |
| 767 | |
| 768 | /* Misc. support (drm_init.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 769 | extern int drm_flags; |
| 770 | extern void drm_parse_options(char *s); |
| 771 | extern int drm_cpu_valid(void); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | |
| 773 | /* Driver support (drm_drv.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 774 | extern int drm_init(struct drm_driver *driver); |
| 775 | extern void drm_exit(struct drm_driver *driver); |
| 776 | extern int drm_ioctl(struct inode *inode, struct file *filp, |
| 777 | unsigned int cmd, unsigned long arg); |
| 778 | extern long drm_compat_ioctl(struct file *filp, |
| 779 | unsigned int cmd, unsigned long arg); |
| 780 | extern int drm_takedown(drm_device_t * dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | |
| 782 | /* Device support (drm_fops.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 783 | extern int drm_open(struct inode *inode, struct file *filp); |
| 784 | extern int drm_stub_open(struct inode *inode, struct file *filp); |
| 785 | extern int drm_flush(struct file *filp); |
| 786 | extern int drm_fasync(int fd, struct file *filp, int on); |
| 787 | extern int drm_release(struct inode *inode, struct file *filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 788 | |
| 789 | /* Mapping support (drm_vm.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 790 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
| 791 | 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] | 792 | |
| 793 | /* Memory management support (drm_memory.h) */ |
| 794 | #include "drm_memory.h" |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 795 | extern void drm_mem_init(void); |
| 796 | extern int drm_mem_info(char *buf, char **start, off_t offset, |
| 797 | int request, int *eof, void *data); |
| 798 | 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] | 799 | extern unsigned long drm_alloc_pages(int order, int area); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 800 | extern void drm_free_pages(unsigned long address, int order, int area); |
| 801 | extern void *drm_ioremap(unsigned long offset, unsigned long size, |
| 802 | drm_device_t * dev); |
| 803 | extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size, |
| 804 | drm_device_t * dev); |
| 805 | extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t * dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 807 | extern DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type); |
| 808 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); |
| 809 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); |
| 810 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | |
| 812 | /* Misc. IOCTL support (drm_ioctl.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 813 | extern int drm_irq_by_busid(struct inode *inode, struct file *filp, |
| 814 | unsigned int cmd, unsigned long arg); |
| 815 | extern int drm_getunique(struct inode *inode, struct file *filp, |
| 816 | unsigned int cmd, unsigned long arg); |
| 817 | extern int drm_setunique(struct inode *inode, struct file *filp, |
| 818 | unsigned int cmd, unsigned long arg); |
| 819 | extern int drm_getmap(struct inode *inode, struct file *filp, |
| 820 | unsigned int cmd, unsigned long arg); |
| 821 | extern int drm_getclient(struct inode *inode, struct file *filp, |
| 822 | unsigned int cmd, unsigned long arg); |
| 823 | extern int drm_getstats(struct inode *inode, struct file *filp, |
| 824 | unsigned int cmd, unsigned long arg); |
| 825 | extern int drm_setversion(struct inode *inode, struct file *filp, |
| 826 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 827 | |
| 828 | /* Context IOCTL support (drm_context.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 829 | extern int drm_resctx(struct inode *inode, struct file *filp, |
| 830 | unsigned int cmd, unsigned long arg); |
| 831 | extern int drm_addctx(struct inode *inode, struct file *filp, |
| 832 | unsigned int cmd, unsigned long arg); |
| 833 | extern int drm_modctx(struct inode *inode, struct file *filp, |
| 834 | unsigned int cmd, unsigned long arg); |
| 835 | extern int drm_getctx(struct inode *inode, struct file *filp, |
| 836 | unsigned int cmd, unsigned long arg); |
| 837 | extern int drm_switchctx(struct inode *inode, struct file *filp, |
| 838 | unsigned int cmd, unsigned long arg); |
| 839 | extern int drm_newctx(struct inode *inode, struct file *filp, |
| 840 | unsigned int cmd, unsigned long arg); |
| 841 | extern int drm_rmctx(struct inode *inode, struct file *filp, |
| 842 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 843 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 844 | extern int drm_ctxbitmap_init(drm_device_t * dev); |
| 845 | extern void drm_ctxbitmap_cleanup(drm_device_t * dev); |
| 846 | extern void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 847 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 848 | extern int drm_setsareactx(struct inode *inode, struct file *filp, |
| 849 | unsigned int cmd, unsigned long arg); |
| 850 | extern int drm_getsareactx(struct inode *inode, struct file *filp, |
| 851 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | |
| 853 | /* Drawable IOCTL support (drm_drawable.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 854 | extern int drm_adddraw(struct inode *inode, struct file *filp, |
| 855 | unsigned int cmd, unsigned long arg); |
| 856 | extern int drm_rmdraw(struct inode *inode, struct file *filp, |
| 857 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 858 | |
| 859 | /* Authentication IOCTL support (drm_auth.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 860 | extern int drm_getmagic(struct inode *inode, struct file *filp, |
| 861 | unsigned int cmd, unsigned long arg); |
| 862 | extern int drm_authmagic(struct inode *inode, struct file *filp, |
| 863 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 864 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 865 | /* Placeholder for ioctls past */ |
| 866 | extern int drm_noop(struct inode *inode, struct file *filp, |
| 867 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | |
| 869 | /* Locking IOCTL support (drm_lock.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 870 | extern int drm_lock(struct inode *inode, struct file *filp, |
| 871 | unsigned int cmd, unsigned long arg); |
| 872 | extern int drm_unlock(struct inode *inode, struct file *filp, |
| 873 | unsigned int cmd, unsigned long arg); |
| 874 | extern int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context); |
| 875 | extern int drm_lock_free(drm_device_t * dev, |
| 876 | __volatile__ unsigned int *lock, unsigned int context); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 877 | |
| 878 | /* Buffer management support (drm_bufs.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 879 | extern int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request); |
| 880 | extern int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request); |
| 881 | extern int drm_addmap(drm_device_t * dev, unsigned int offset, |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 882 | unsigned int size, drm_map_type_t type, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 883 | drm_map_flags_t flags, drm_local_map_t ** map_ptr); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 884 | extern int drm_addmap_ioctl(struct inode *inode, struct file *filp, |
| 885 | unsigned int cmd, unsigned long arg); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 886 | extern int drm_rmmap(drm_device_t * dev, drm_local_map_t * map); |
| 887 | extern int drm_rmmap_locked(drm_device_t * dev, drm_local_map_t * map); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 888 | extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp, |
| 889 | unsigned int cmd, unsigned long arg); |
| 890 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 891 | extern int drm_order(unsigned long size); |
| 892 | extern int drm_addbufs(struct inode *inode, struct file *filp, |
| 893 | unsigned int cmd, unsigned long arg); |
| 894 | extern int drm_infobufs(struct inode *inode, struct file *filp, |
| 895 | unsigned int cmd, unsigned long arg); |
| 896 | extern int drm_markbufs(struct inode *inode, struct file *filp, |
| 897 | unsigned int cmd, unsigned long arg); |
| 898 | extern int drm_freebufs(struct inode *inode, struct file *filp, |
| 899 | unsigned int cmd, unsigned long arg); |
| 900 | extern int drm_mapbufs(struct inode *inode, struct file *filp, |
| 901 | unsigned int cmd, unsigned long arg); |
| 902 | extern unsigned long drm_get_resource_start(drm_device_t * dev, |
Dave Airlie | 836cf04 | 2005-07-10 19:27:04 +1000 | [diff] [blame] | 903 | unsigned int resource); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 904 | extern unsigned long drm_get_resource_len(drm_device_t * dev, |
Dave Airlie | 836cf04 | 2005-07-10 19:27:04 +1000 | [diff] [blame] | 905 | unsigned int resource); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | |
| 907 | /* DMA support (drm_dma.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 908 | extern int drm_dma_setup(drm_device_t * dev); |
| 909 | extern void drm_dma_takedown(drm_device_t * dev); |
| 910 | extern void drm_free_buffer(drm_device_t * dev, drm_buf_t * buf); |
| 911 | extern void drm_core_reclaim_buffers(drm_device_t * dev, struct file *filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | |
| 913 | /* IRQ support (drm_irq.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 914 | extern int drm_control(struct inode *inode, struct file *filp, |
| 915 | unsigned int cmd, unsigned long arg); |
| 916 | extern int drm_irq_uninstall(drm_device_t * dev); |
| 917 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
| 918 | extern void drm_driver_irq_preinstall(drm_device_t * dev); |
| 919 | extern void drm_driver_irq_postinstall(drm_device_t * dev); |
| 920 | extern void drm_driver_irq_uninstall(drm_device_t * dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 921 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 922 | extern int drm_wait_vblank(struct inode *inode, struct file *filp, |
| 923 | unsigned int cmd, unsigned long arg); |
| 924 | extern int drm_vblank_wait(drm_device_t * dev, unsigned int *vbl_seq); |
| 925 | extern void drm_vbl_send_signals(drm_device_t * dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 926 | |
| 927 | /* AGP/GART support (drm_agpsupport.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 928 | extern drm_agp_head_t *drm_agp_init(drm_device_t * dev); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 929 | extern int drm_agp_acquire(drm_device_t * dev); |
| 930 | extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 931 | unsigned int cmd, unsigned long arg); |
| 932 | extern int drm_agp_release(drm_device_t * dev); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 933 | extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 934 | unsigned int cmd, unsigned long arg); |
| 935 | extern int drm_agp_enable(drm_device_t * dev, drm_agp_mode_t mode); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 936 | extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 937 | unsigned int cmd, unsigned long arg); |
| 938 | extern int drm_agp_info(drm_device_t * dev, drm_agp_info_t * info); |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 939 | extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 940 | unsigned int cmd, unsigned long arg); |
| 941 | extern int drm_agp_alloc(struct inode *inode, struct file *filp, |
| 942 | unsigned int cmd, unsigned long arg); |
| 943 | extern int drm_agp_free(struct inode *inode, struct file *filp, |
Dave Airlie | 7ab9840 | 2005-07-10 16:56:52 +1000 | [diff] [blame] | 944 | unsigned int cmd, unsigned long arg); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 945 | extern int drm_agp_unbind(struct inode *inode, struct file *filp, |
| 946 | unsigned int cmd, unsigned long arg); |
| 947 | extern int drm_agp_bind(struct inode *inode, struct file *filp, |
| 948 | unsigned int cmd, unsigned long arg); |
| 949 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, |
| 950 | size_t pages, u32 type); |
| 951 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); |
| 952 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); |
| 953 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 954 | |
| 955 | /* Stub support (drm_stub.h) */ |
| 956 | 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^] | 957 | struct drm_driver *driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | extern int drm_put_dev(drm_device_t * dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | extern int drm_put_head(drm_head_t * head); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 960 | extern unsigned int drm_debug; |
| 961 | extern unsigned int drm_cards_limit; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 962 | extern drm_head_t **drm_heads; |
| 963 | extern struct drm_sysfs_class *drm_class; |
| 964 | extern struct proc_dir_entry *drm_proc_root; |
| 965 | |
| 966 | /* Proc support (drm_proc.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 967 | extern int drm_proc_init(drm_device_t * dev, |
| 968 | int minor, |
| 969 | struct proc_dir_entry *root, |
| 970 | struct proc_dir_entry **dev_root); |
| 971 | extern int drm_proc_cleanup(int minor, |
| 972 | struct proc_dir_entry *root, |
| 973 | struct proc_dir_entry *dev_root); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 974 | |
| 975 | /* Scatter Gather Support (drm_scatter.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 976 | extern void drm_sg_cleanup(drm_sg_mem_t * entry); |
| 977 | extern int drm_sg_alloc(struct inode *inode, struct file *filp, |
| 978 | unsigned int cmd, unsigned long arg); |
| 979 | extern int drm_sg_free(struct inode *inode, struct file *filp, |
| 980 | unsigned int cmd, unsigned long arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 981 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 982 | /* ATI PCIGART support (ati_pcigart.h) */ |
| 983 | extern int drm_ati_pcigart_init(drm_device_t * dev, |
| 984 | drm_ati_pcigart_info * gart_info); |
| 985 | extern int drm_ati_pcigart_cleanup(drm_device_t * dev, |
| 986 | drm_ati_pcigart_info * gart_info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 987 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 988 | extern drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, |
Dave Airlie | 9c8da5e | 2005-07-10 15:38:56 +1000 | [diff] [blame] | 989 | size_t align, dma_addr_t maxaddr); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 990 | extern void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah); |
| 991 | extern void drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 992 | |
| 993 | /* sysfs support (drm_sysfs.c) */ |
| 994 | struct drm_sysfs_class; |
| 995 | extern struct drm_sysfs_class *drm_sysfs_create(struct module *owner, |
| 996 | char *name); |
| 997 | extern void drm_sysfs_destroy(struct drm_sysfs_class *cs); |
| 998 | extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, |
| 999 | dev_t dev, |
| 1000 | struct device *device, |
| 1001 | const char *fmt, ...); |
| 1002 | extern void drm_sysfs_device_remove(dev_t dev); |
| 1003 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1004 | /* Inline replacements for DRM_IOREMAP macros */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1005 | static __inline__ void drm_core_ioremap(struct drm_map *map, |
| 1006 | struct drm_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1007 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1008 | map->handle = drm_ioremap(map->offset, map->size, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1009 | } |
| 1010 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1011 | static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, |
| 1012 | struct drm_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1013 | { |
| 1014 | map->handle = drm_ioremap_nocache(map->offset, map->size, dev); |
| 1015 | } |
| 1016 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1017 | static __inline__ void drm_core_ioremapfree(struct drm_map *map, |
| 1018 | struct drm_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1019 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1020 | if (map->handle && map->size) |
| 1021 | drm_ioremapfree(map->handle, map->size, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | } |
| 1023 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1024 | static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, |
| 1025 | unsigned int token) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1026 | { |
Dave Airlie | d1f2b55 | 2005-08-05 22:11:22 +1000 | [diff] [blame] | 1027 | drm_map_list_t *_entry; |
| 1028 | list_for_each_entry(_entry, &dev->maplist->head, head) |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1029 | if (_entry->user_token == token) |
| 1030 | return _entry->map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1031 | return NULL; |
| 1032 | } |
| 1033 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1034 | static __inline__ int drm_device_is_agp(drm_device_t * dev) |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 1035 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1036 | if (dev->driver->device_is_agp != NULL) { |
| 1037 | int err = (*dev->driver->device_is_agp) (dev); |
| 1038 | |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 1039 | if (err != 2) { |
| 1040 | return err; |
| 1041 | } |
| 1042 | } |
| 1043 | |
| 1044 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); |
| 1045 | } |
| 1046 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1047 | static __inline__ int drm_device_is_pcie(drm_device_t * dev) |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 1048 | { |
| 1049 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); |
| 1050 | } |
| 1051 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1052 | static __inline__ void drm_core_dropmap(struct drm_map *map) |
| 1053 | { |
| 1054 | } |
| 1055 | |
| 1056 | #ifndef DEBUG_MEMORY |
| 1057 | /** Wrapper around kmalloc() */ |
| 1058 | static __inline__ void *drm_alloc(size_t size, int area) |
| 1059 | { |
| 1060 | return kmalloc(size, GFP_KERNEL); |
| 1061 | } |
| 1062 | |
| 1063 | /** Wrapper around kfree() */ |
| 1064 | static __inline__ void drm_free(void *pt, size_t size, int area) |
| 1065 | { |
| 1066 | kfree(pt); |
| 1067 | } |
Dave Airlie | b952324 | 2005-07-07 20:33:26 +1000 | [diff] [blame] | 1068 | |
| 1069 | /** Wrapper around kcalloc() */ |
| 1070 | static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) |
| 1071 | { |
| 1072 | return kcalloc(nmemb, size, GFP_KERNEL); |
| 1073 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1074 | #else |
| 1075 | extern void *drm_alloc(size_t size, int area); |
| 1076 | extern void drm_free(void *pt, size_t size, int area); |
Dave Airlie | b952324 | 2005-07-07 20:33:26 +1000 | [diff] [blame] | 1077 | extern void *drm_calloc(size_t nmemb, size_t size, int area); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | #endif |
| 1079 | |
| 1080 | /*@}*/ |
| 1081 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1082 | extern unsigned long drm_core_get_map_ofs(drm_map_t * map); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1083 | extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); |
| 1084 | |
Adrian Bunk | 982245f | 2005-07-17 04:22:20 +0200 | [diff] [blame] | 1085 | #ifndef pci_pretty_name |
| 1086 | #define pci_pretty_name(dev) "" |
| 1087 | #endif |
| 1088 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame^] | 1089 | #endif /* __KERNEL__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1090 | #endif |