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. |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 12 | * Copyright (c) 2009-2010, Code Aurora Forum. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * All rights reserved. |
| 14 | * |
| 15 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 16 | * copy of this software and associated documentation files (the "Software"), |
| 17 | * to deal in the Software without restriction, including without limitation |
| 18 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 19 | * and/or sell copies of the Software, and to permit persons to whom the |
| 20 | * Software is furnished to do so, subject to the following conditions: |
| 21 | * |
| 22 | * The above copyright notice and this permission notice (including the next |
| 23 | * paragraph) shall be included in all copies or substantial portions of the |
| 24 | * Software. |
| 25 | * |
| 26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 27 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 28 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 29 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 30 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 31 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 32 | * OTHER DEALINGS IN THE SOFTWARE. |
| 33 | */ |
| 34 | |
| 35 | #ifndef _DRM_P_H_ |
| 36 | #define _DRM_P_H_ |
| 37 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | #ifdef __KERNEL__ |
| 39 | #ifdef __alpha__ |
| 40 | /* add include of current.h so that "current" is defined |
| 41 | * before static inline funcs in wait.h. Doing this so we |
| 42 | * can build the DRM (part of PI DRI). 4/21/2000 S + B */ |
| 43 | #include <asm/current.h> |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 44 | #endif /* __alpha__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | #include <linux/module.h> |
| 46 | #include <linux/kernel.h> |
| 47 | #include <linux/miscdevice.h> |
| 48 | #include <linux/fs.h> |
| 49 | #include <linux/proc_fs.h> |
| 50 | #include <linux/init.h> |
| 51 | #include <linux/file.h> |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 52 | #include <linux/platform_device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | #include <linux/pci.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | #include <linux/jiffies.h> |
Dave Airlie | b05c238 | 2008-03-17 10:24:24 +1000 | [diff] [blame] | 55 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | #include <linux/mm.h> |
| 57 | #include <linux/cdev.h> |
Dave Airlie | 30e2fb1 | 2006-02-02 19:37:46 +1100 | [diff] [blame] | 58 | #include <linux/mutex.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 59 | #include <linux/slab.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 | |
Dave Airlie | 6296814 | 2007-07-17 10:46:52 +1000 | [diff] [blame] | 78 | #include <linux/idr.h> |
| 79 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) |
| 81 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) |
| 82 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 83 | struct drm_file; |
| 84 | struct drm_device; |
| 85 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | #include "drm_os_linux.h" |
Thomas Hellstrom | 3a1bd92 | 2006-08-07 21:30:28 +1000 | [diff] [blame] | 87 | #include "drm_hashtab.h" |
Jerome Glisse | 249d604 | 2009-04-08 17:11:16 +0200 | [diff] [blame] | 88 | #include "drm_mm.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 90 | #define DRM_UT_CORE 0x01 |
| 91 | #define DRM_UT_DRIVER 0x02 |
| 92 | #define DRM_UT_KMS 0x04 |
Zhao Yakui | 87fdff8 | 2009-07-20 13:48:06 +0800 | [diff] [blame] | 93 | /* |
| 94 | * Three debug levels are defined. |
| 95 | * drm_core, drm_driver, drm_kms |
| 96 | * drm_core level can be used in the generic drm code. For example: |
| 97 | * drm_ioctl, drm_mm, drm_memory |
| 98 | * The macro definiton of DRM_DEBUG is used. |
| 99 | * DRM_DEBUG(fmt, args...) |
| 100 | * The debug info by using the DRM_DEBUG can be obtained by adding |
| 101 | * the boot option of "drm.debug=1". |
| 102 | * |
| 103 | * drm_driver level can be used in the specific drm driver. It is used |
| 104 | * to add the debug info related with the drm driver. For example: |
| 105 | * i915_drv, i915_dma, i915_gem, radeon_drv, |
| 106 | * The macro definition of DRM_DEBUG_DRIVER can be used. |
| 107 | * DRM_DEBUG_DRIVER(fmt, args...) |
| 108 | * The debug info by using the DRM_DEBUG_DRIVER can be obtained by |
| 109 | * adding the boot option of "drm.debug=0x02" |
| 110 | * |
| 111 | * drm_kms level can be used in the KMS code related with specific drm driver. |
| 112 | * It is used to add the debug info related with KMS mode. For example: |
| 113 | * the connector/crtc , |
| 114 | * The macro definition of DRM_DEBUG_KMS can be used. |
| 115 | * DRM_DEBUG_KMS(fmt, args...) |
| 116 | * The debug info by using the DRM_DEBUG_KMS can be obtained by |
| 117 | * adding the boot option of "drm.debug=0x04" |
| 118 | * |
| 119 | * If we add the boot option of "drm.debug=0x06", we can get the debug info by |
| 120 | * using the DRM_DEBUG_KMS and DRM_DEBUG_DRIVER. |
| 121 | * If we add the boot option of "drm.debug=0x05", we can get the debug info by |
| 122 | * using the DRM_DEBUG_KMS and DRM_DEBUG. |
| 123 | */ |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 124 | |
| 125 | extern void drm_ut_debug_printk(unsigned int request_level, |
| 126 | const char *prefix, |
| 127 | const char *function_name, |
| 128 | const char *format, ...); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | /***********************************************************************/ |
| 130 | /** \name DRM template customization defaults */ |
| 131 | /*@{*/ |
| 132 | |
| 133 | /* driver capabilities and requirements mask */ |
| 134 | #define DRIVER_USE_AGP 0x1 |
| 135 | #define DRIVER_REQUIRE_AGP 0x2 |
| 136 | #define DRIVER_USE_MTRR 0x4 |
| 137 | #define DRIVER_PCI_DMA 0x8 |
| 138 | #define DRIVER_SG 0x10 |
| 139 | #define DRIVER_HAVE_DMA 0x20 |
| 140 | #define DRIVER_HAVE_IRQ 0x40 |
| 141 | #define DRIVER_IRQ_SHARED 0x80 |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 142 | #define DRIVER_IRQ_VBL 0x100 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | #define DRIVER_DMA_QUEUE 0x200 |
Dave Airlie | b84397d6 | 2005-07-10 14:46:12 +1000 | [diff] [blame] | 144 | #define DRIVER_FB_DMA 0x400 |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 145 | #define DRIVER_IRQ_VBL2 0x800 |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 146 | #define DRIVER_GEM 0x1000 |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 147 | #define DRIVER_MODESET 0x2000 |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 148 | #define DRIVER_USE_PLATFORM_DEVICE 0x4000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | |
| 150 | /***********************************************************************/ |
| 151 | /** \name Begin the DRM... */ |
| 152 | /*@{*/ |
| 153 | |
| 154 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then |
| 155 | also include looping detection. */ |
| 156 | |
Thomas Hellstrom | 8669cbc | 2006-08-07 22:22:10 +1000 | [diff] [blame] | 157 | #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] | 158 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
| 159 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ |
| 160 | #define DRM_LOOPING_LIMIT 5000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
| 162 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ |
| 163 | |
| 164 | #define DRM_FLAG_DEBUG 0x01 |
| 165 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) |
Thomas Hellstrom | 8d153f7 | 2006-08-07 22:36:47 +1000 | [diff] [blame] | 167 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 169 | /*@}*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | |
| 171 | /***********************************************************************/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | /** \name Macros to make printk easier */ |
| 173 | /*@{*/ |
| 174 | |
| 175 | /** |
| 176 | * Error output. |
| 177 | * |
| 178 | * \param fmt printf() like format string. |
| 179 | * \param arg arguments |
| 180 | */ |
| 181 | #define DRM_ERROR(fmt, arg...) \ |
Harvey Harrison | bf9d892 | 2008-04-30 00:55:10 -0700 | [diff] [blame] | 182 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ##arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | |
| 184 | /** |
| 185 | * Memory error output. |
| 186 | * |
| 187 | * \param area memory area where the error occurred. |
| 188 | * \param fmt printf() like format string. |
| 189 | * \param arg arguments |
| 190 | */ |
| 191 | #define DRM_MEM_ERROR(area, fmt, arg...) \ |
Harvey Harrison | bf9d892 | 2008-04-30 00:55:10 -0700 | [diff] [blame] | 192 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __func__, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | drm_mem_stats[area].name , ##arg) |
| 194 | |
| 195 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) |
| 196 | |
| 197 | /** |
| 198 | * Debug output. |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 199 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | * \param fmt printf() like format string. |
| 201 | * \param arg arguments |
| 202 | */ |
| 203 | #if DRM_DEBUG_CODE |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 204 | #define DRM_DEBUG(fmt, args...) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | do { \ |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 206 | drm_ut_debug_printk(DRM_UT_CORE, DRM_NAME, \ |
| 207 | __func__, fmt, ##args); \ |
| 208 | } while (0) |
| 209 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 210 | #define DRM_DEBUG_DRIVER(fmt, args...) \ |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 211 | do { \ |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 212 | drm_ut_debug_printk(DRM_UT_DRIVER, DRM_NAME, \ |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 213 | __func__, fmt, ##args); \ |
| 214 | } while (0) |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 215 | #define DRM_DEBUG_KMS(fmt, args...) \ |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 216 | do { \ |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 217 | drm_ut_debug_printk(DRM_UT_KMS, DRM_NAME, \ |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 218 | __func__, fmt, ##args); \ |
| 219 | } while (0) |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 220 | #define DRM_LOG(fmt, args...) \ |
| 221 | do { \ |
| 222 | drm_ut_debug_printk(DRM_UT_CORE, NULL, \ |
| 223 | NULL, fmt, ##args); \ |
| 224 | } while (0) |
| 225 | #define DRM_LOG_KMS(fmt, args...) \ |
| 226 | do { \ |
| 227 | drm_ut_debug_printk(DRM_UT_KMS, NULL, \ |
| 228 | NULL, fmt, ##args); \ |
| 229 | } while (0) |
| 230 | #define DRM_LOG_MODE(fmt, args...) \ |
| 231 | do { \ |
| 232 | drm_ut_debug_printk(DRM_UT_MODE, NULL, \ |
| 233 | NULL, fmt, ##args); \ |
| 234 | } while (0) |
| 235 | #define DRM_LOG_DRIVER(fmt, args...) \ |
| 236 | do { \ |
| 237 | drm_ut_debug_printk(DRM_UT_DRIVER, NULL, \ |
| 238 | NULL, fmt, ##args); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | } while (0) |
| 240 | #else |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 241 | #define DRM_DEBUG_DRIVER(fmt, args...) do { } while (0) |
| 242 | #define DRM_DEBUG_KMS(fmt, args...) do { } while (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | #define DRM_DEBUG(fmt, arg...) do { } while (0) |
yakui_zhao | 4fefcb2 | 2009-06-02 14:09:47 +0800 | [diff] [blame] | 244 | #define DRM_LOG(fmt, arg...) do { } while (0) |
| 245 | #define DRM_LOG_KMS(fmt, args...) do { } while (0) |
| 246 | #define DRM_LOG_MODE(fmt, arg...) do { } while (0) |
| 247 | #define DRM_LOG_DRIVER(fmt, arg...) do { } while (0) |
| 248 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | #endif |
| 250 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | /*@}*/ |
| 252 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | /***********************************************************************/ |
| 254 | /** \name Internal types and structures */ |
| 255 | /*@{*/ |
| 256 | |
Dave Airlie | 99a2657 | 2005-09-25 13:25:41 +1000 | [diff] [blame] | 257 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | |
| 259 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) |
| 260 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | |
| 262 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | |
| 264 | /** |
| 265 | * Test that the hardware lock is held by the caller, returning otherwise. |
| 266 | * |
| 267 | * \param dev DRM device. |
| 268 | * \param filp file pointer of the caller. |
| 269 | */ |
Roel Kluin | dcae362 | 2009-06-10 12:43:48 -0700 | [diff] [blame] | 270 | #define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ |
| 271 | do { \ |
| 272 | if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ |
| 273 | _file_priv->master->lock.file_priv != _file_priv) { \ |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 274 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ |
Roel Kluin | dcae362 | 2009-06-10 12:43:48 -0700 | [diff] [blame] | 275 | __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ |
| 276 | _file_priv->master->lock.file_priv, _file_priv); \ |
| 277 | return -EINVAL; \ |
| 278 | } \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | } while (0) |
| 280 | |
| 281 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | * Ioctl function type. |
| 283 | * |
| 284 | * \param inode device inode. |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 285 | * \param file_priv DRM file private pointer. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | * \param cmd command. |
| 287 | * \param arg argument. |
| 288 | */ |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 289 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
| 290 | struct drm_file *file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | |
Dave Airlie | 9a18664 | 2005-06-23 21:29:18 +1000 | [diff] [blame] | 292 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
| 293 | unsigned long arg); |
| 294 | |
Kristian Høgsberg | 1a95916 | 2009-12-02 12:13:48 -0500 | [diff] [blame] | 295 | #define DRM_IOCTL_NR(n) _IOC_NR(n) |
| 296 | #define DRM_MAJOR 226 |
| 297 | |
Dave Airlie | a7a2cc3 | 2006-01-02 13:54:04 +1100 | [diff] [blame] | 298 | #define DRM_AUTH 0x1 |
| 299 | #define DRM_MASTER 0x2 |
| 300 | #define DRM_ROOT_ONLY 0x4 |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 301 | #define DRM_CONTROL_ALLOW 0x8 |
Arnd Bergmann | ed8b670 | 2009-12-16 22:17:09 +0000 | [diff] [blame] | 302 | #define DRM_UNLOCKED 0x10 |
Dave Airlie | a7a2cc3 | 2006-01-02 13:54:04 +1100 | [diff] [blame] | 303 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 304 | struct drm_ioctl_desc { |
| 305 | unsigned int cmd; |
Dave Airlie | a7a2cc3 | 2006-01-02 13:54:04 +1100 | [diff] [blame] | 306 | int flags; |
Richard Kennedy | c972d75 | 2009-03-18 17:26:44 +0000 | [diff] [blame] | 307 | drm_ioctl_t *func; |
Dave Airlie | 1b2f148 | 2010-08-14 20:20:34 +1000 | [diff] [blame] | 308 | unsigned int cmd_drv; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 309 | }; |
| 310 | |
| 311 | /** |
| 312 | * Creates a driver or general drm_ioctl_desc array entry for the given |
| 313 | * ioctl, for use by drm_ioctl(). |
| 314 | */ |
Dave Airlie | 1b2f148 | 2010-08-14 20:20:34 +1000 | [diff] [blame] | 315 | |
| 316 | #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \ |
| 317 | [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl} |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | |
Dave Airlie | 8fc2fdf | 2007-07-11 16:21:47 +1000 | [diff] [blame] | 319 | struct drm_magic_entry { |
Thomas Hellstrom | 8669cbc | 2006-08-07 22:22:10 +1000 | [diff] [blame] | 320 | struct list_head head; |
Dave Airlie | e0be428 | 2007-07-12 10:26:44 +1000 | [diff] [blame] | 321 | struct drm_hash_item hash_item; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 322 | struct drm_file *priv; |
Dave Airlie | 8fc2fdf | 2007-07-11 16:21:47 +1000 | [diff] [blame] | 323 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 324 | |
Dave Airlie | 8fc2fdf | 2007-07-11 16:21:47 +1000 | [diff] [blame] | 325 | struct drm_vma_entry { |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 326 | struct list_head head; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | struct vm_area_struct *vma; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 328 | pid_t pid; |
Dave Airlie | 8fc2fdf | 2007-07-11 16:21:47 +1000 | [diff] [blame] | 329 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | |
| 331 | /** |
| 332 | * DMA buffer. |
| 333 | */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 334 | struct drm_buf { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 335 | int idx; /**< Index into master buflist */ |
| 336 | int total; /**< Buffer size */ |
| 337 | int order; /**< log-base-2(total) */ |
| 338 | int used; /**< Amount of buffer in use (for DMA) */ |
| 339 | unsigned long offset; /**< Byte offset (used internally) */ |
| 340 | void *address; /**< Address of buffer */ |
| 341 | unsigned long bus_address; /**< Bus address of buffer */ |
| 342 | struct drm_buf *next; /**< Kernel-only: used for free list */ |
| 343 | __volatile__ int waiting; /**< On kernel DMA queue */ |
| 344 | __volatile__ int pending; /**< On hardware DMA queue */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 346 | struct drm_file *file_priv; /**< Private of holding file descr */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 347 | int context; /**< Kernel queue for this buffer */ |
| 348 | int while_locked; /**< Dispatch this buffer while locked */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | enum { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 350 | DRM_LIST_NONE = 0, |
| 351 | DRM_LIST_FREE = 1, |
| 352 | DRM_LIST_WAIT = 2, |
| 353 | DRM_LIST_PEND = 3, |
| 354 | DRM_LIST_PRIO = 4, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | DRM_LIST_RECLAIM = 5 |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 356 | } list; /**< Which list we're on */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 358 | int dev_priv_size; /**< Size of buffer private storage */ |
| 359 | void *dev_private; /**< Per-buffer private storage */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 360 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | /** bufs is one longer than it has to be */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 363 | struct drm_waitlist { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 364 | int count; /**< Number of possible buffers */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 365 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
| 366 | struct drm_buf **rp; /**< Read pointer */ |
| 367 | struct drm_buf **wp; /**< Write pointer */ |
| 368 | struct drm_buf **end; /**< End pointer */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 369 | spinlock_t read_lock; |
| 370 | spinlock_t write_lock; |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 371 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 373 | struct drm_freelist { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 374 | int initialized; /**< Freelist in use */ |
| 375 | atomic_t count; /**< Number of free buffers */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 376 | struct drm_buf *next; /**< End pointer */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | |
| 378 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 379 | int low_mark; /**< Low water mark */ |
| 380 | int high_mark; /**< High water mark */ |
| 381 | atomic_t wfh; /**< If waiting for high mark */ |
| 382 | spinlock_t lock; |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 383 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | |
Dave Airlie | ddf19b9 | 2006-03-19 18:56:12 +1100 | [diff] [blame] | 385 | typedef struct drm_dma_handle { |
| 386 | dma_addr_t busaddr; |
| 387 | void *vaddr; |
| 388 | size_t size; |
| 389 | } drm_dma_handle_t; |
| 390 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | /** |
| 392 | * Buffer entry. There is one of this for each buffer size order. |
| 393 | */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 394 | struct drm_buf_entry { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 395 | int buf_size; /**< size */ |
| 396 | int buf_count; /**< number of buffers */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 397 | struct drm_buf *buflist; /**< buffer list */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 398 | int seg_count; |
| 399 | int page_order; |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 400 | struct drm_dma_handle **seglist; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 402 | struct drm_freelist freelist; |
| 403 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | |
Kristian Høgsberg | c9a9c5e | 2009-09-12 04:33:34 +1000 | [diff] [blame] | 405 | /* Event queued up for userspace to read */ |
| 406 | struct drm_pending_event { |
| 407 | struct drm_event *event; |
| 408 | struct list_head link; |
| 409 | struct drm_file *file_priv; |
Jesse Barnes | b9c2c9a | 2010-07-01 16:48:09 -0700 | [diff] [blame] | 410 | pid_t pid; /* pid of requester, no guarantee it's valid by the time |
| 411 | we deliver the event, for tracing only */ |
Kristian Høgsberg | c9a9c5e | 2009-09-12 04:33:34 +1000 | [diff] [blame] | 412 | void (*destroy)(struct drm_pending_event *event); |
| 413 | }; |
| 414 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | /** File private data */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 416 | struct drm_file { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 417 | int authenticated; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 418 | pid_t pid; |
| 419 | uid_t uid; |
| 420 | drm_magic_t magic; |
| 421 | unsigned long ioctl_count; |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 422 | struct list_head lhead; |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 423 | struct drm_minor *minor; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 424 | unsigned long lock_count; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 425 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 426 | /** Mapping of mm object handles to object pointers. */ |
| 427 | struct idr object_idr; |
| 428 | /** Lock for synchronization of access to object_idr. */ |
| 429 | spinlock_t table_lock; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 430 | |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 431 | struct file *filp; |
Dave Airlie | 8562b3f | 2007-11-05 12:37:41 +1000 | [diff] [blame] | 432 | void *driver_priv; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 433 | |
| 434 | int is_master; /* this file private is a master for a minor */ |
| 435 | struct drm_master *master; /* master this node is currently associated with |
| 436 | N.B. not always minor->master */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 437 | struct list_head fbs; |
Kristian Høgsberg | c9a9c5e | 2009-09-12 04:33:34 +1000 | [diff] [blame] | 438 | |
| 439 | wait_queue_head_t event_wait; |
| 440 | struct list_head event_list; |
| 441 | int event_space; |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 442 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | |
| 444 | /** Wait queue */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 445 | struct drm_queue { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 446 | atomic_t use_count; /**< Outstanding uses (+1) */ |
| 447 | atomic_t finalization; /**< Finalization in progress */ |
| 448 | atomic_t block_count; /**< Count of processes waiting */ |
| 449 | atomic_t block_read; /**< Queue blocked for reads */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 451 | atomic_t block_write; /**< Queue blocked for writes */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 453 | atomic_t total_queued; /**< Total queued statistic */ |
| 454 | atomic_t total_flushed; /**< Total flushes statistic */ |
| 455 | atomic_t total_locks; /**< Total locks statistics */ |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 456 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 457 | struct drm_waitlist waitlist; /**< Pending buffers */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 459 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | |
| 461 | /** |
| 462 | * Lock data. |
| 463 | */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 464 | struct drm_lock_data { |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 465 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
Dave Airlie | 8562b3f | 2007-11-05 12:37:41 +1000 | [diff] [blame] | 466 | /** Private of lock holder's file (NULL=kernel) */ |
| 467 | struct drm_file *file_priv; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 469 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
Thomas Hellstrom | 040ac32 | 2007-03-23 13:28:33 +1100 | [diff] [blame] | 470 | spinlock_t spinlock; |
| 471 | uint32_t kernel_waiters; |
| 472 | uint32_t user_waiters; |
| 473 | int idle_has_lock; |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 474 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | |
| 476 | /** |
| 477 | * DMA data. |
| 478 | */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 479 | struct drm_device_dma { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 481 | 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] | 482 | int buf_count; /**< total number of buffers */ |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 483 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 484 | int seg_count; |
| 485 | int page_count; /**< number of pages */ |
| 486 | unsigned long *pagelist; /**< page list */ |
| 487 | unsigned long byte_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | enum { |
| 489 | _DRM_DMA_USE_AGP = 0x01, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 490 | _DRM_DMA_USE_SG = 0x02, |
George Sapountzis | 3417f33 | 2006-10-24 12:03:04 -0700 | [diff] [blame] | 491 | _DRM_DMA_USE_FB = 0x04, |
| 492 | _DRM_DMA_USE_PCI_RO = 0x08 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | } flags; |
| 494 | |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 495 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 497 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | * AGP memory entry. Stored as a doubly linked list. |
| 499 | */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 500 | struct drm_agp_mem { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 501 | unsigned long handle; /**< handle */ |
| 502 | DRM_AGP_MEM *memory; |
| 503 | unsigned long bound; /**< address */ |
| 504 | int pages; |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 505 | struct list_head head; |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 506 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | |
| 508 | /** |
| 509 | * AGP data. |
| 510 | * |
| 511 | * \sa drm_agp_init() and drm_device::agp. |
| 512 | */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 513 | struct drm_agp_head { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 514 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 515 | struct list_head memory; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 516 | unsigned long mode; /**< AGP mode */ |
| 517 | struct agp_bridge_data *bridge; |
| 518 | int enabled; /**< whether the AGP bus as been enabled */ |
| 519 | int acquired; /**< whether the AGP device has been acquired */ |
| 520 | unsigned long base; |
| 521 | int agp_mtrr; |
| 522 | int cant_use_aperture; |
| 523 | unsigned long page_mask; |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 524 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | |
| 526 | /** |
| 527 | * Scatter-gather memory. |
| 528 | */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 529 | struct drm_sg_mem { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 530 | unsigned long handle; |
| 531 | void *virtual; |
| 532 | int pages; |
| 533 | struct page **pagelist; |
| 534 | dma_addr_t *busaddr; |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 535 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 537 | struct drm_sigdata { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 538 | int context; |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 539 | struct drm_hw_lock *lock; |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 540 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | |
Dave Airlie | 8562b3f | 2007-11-05 12:37:41 +1000 | [diff] [blame] | 542 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | /** |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 544 | * Kernel side of a mapping |
| 545 | */ |
| 546 | struct drm_local_map { |
Benjamin Herrenschmidt | 41c2e75 | 2009-02-02 16:55:47 +1100 | [diff] [blame] | 547 | resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 548 | unsigned long size; /**< Requested physical size (bytes) */ |
| 549 | enum drm_map_type type; /**< Type of memory to map */ |
| 550 | enum drm_map_flags flags; /**< Flags */ |
| 551 | void *handle; /**< User-space: "Handle" to pass to mmap() */ |
| 552 | /**< Kernel-space: kernel-virtual address */ |
| 553 | int mtrr; /**< MTRR slot used */ |
| 554 | }; |
| 555 | |
| 556 | typedef struct drm_local_map drm_local_map_t; |
| 557 | |
| 558 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 559 | * Mappings list |
| 560 | */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 561 | struct drm_map_list { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 562 | struct list_head head; /**< list head */ |
Dave Airlie | e0be428 | 2007-07-12 10:26:44 +1000 | [diff] [blame] | 563 | struct drm_hash_item hash; |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 564 | struct drm_local_map *map; /**< mapping */ |
Dave Airlie | 8562b3f | 2007-11-05 12:37:41 +1000 | [diff] [blame] | 565 | uint64_t user_token; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 566 | struct drm_master *master; |
Jesse Barnes | a2c0a97 | 2008-11-05 10:31:53 -0800 | [diff] [blame] | 567 | struct drm_mm_node *file_offset_node; /**< fake offset */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 568 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | /** |
| 571 | * Context handle list |
| 572 | */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 573 | struct drm_ctx_list { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 574 | struct list_head head; /**< list head */ |
| 575 | drm_context_t handle; /**< context handle */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 576 | struct drm_file *tag; /**< associated fd private data */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 577 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 579 | /* location of GART table */ |
| 580 | #define DRM_ATI_GART_MAIN 1 |
| 581 | #define DRM_ATI_GART_FB 2 |
| 582 | |
Dave Airlie | f2b04cd | 2007-05-08 15:19:23 +1000 | [diff] [blame] | 583 | #define DRM_ATI_GART_PCI 1 |
| 584 | #define DRM_ATI_GART_PCIE 2 |
| 585 | #define DRM_ATI_GART_IGP 3 |
| 586 | |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 587 | struct drm_ati_pcigart_info { |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 588 | int gart_table_location; |
Dave Airlie | f2b04cd | 2007-05-08 15:19:23 +1000 | [diff] [blame] | 589 | int gart_reg_if; |
Dave Airlie | f26c473 | 2006-01-02 17:18:39 +1100 | [diff] [blame] | 590 | void *addr; |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 591 | dma_addr_t bus_addr; |
Dave Airlie | b05c238 | 2008-03-17 10:24:24 +1000 | [diff] [blame] | 592 | dma_addr_t table_mask; |
| 593 | struct drm_dma_handle *table_handle; |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 594 | struct drm_local_map mapping; |
Dave Airlie | f2b04cd | 2007-05-08 15:19:23 +1000 | [diff] [blame] | 595 | int table_size; |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 596 | }; |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 597 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 598 | /** |
Jesse Barnes | a2c0a97 | 2008-11-05 10:31:53 -0800 | [diff] [blame] | 599 | * GEM specific mm private for tracking GEM objects |
| 600 | */ |
| 601 | struct drm_gem_mm { |
| 602 | struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */ |
| 603 | struct drm_open_hash offset_hash; /**< User token hash table for maps */ |
| 604 | }; |
| 605 | |
| 606 | /** |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 607 | * This structure defines the drm_mm memory object, which will be used by the |
| 608 | * DRM for its buffer objects. |
| 609 | */ |
| 610 | struct drm_gem_object { |
| 611 | /** Reference count of this object */ |
| 612 | struct kref refcount; |
| 613 | |
| 614 | /** Handle count of this object. Each handle also holds a reference */ |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 615 | atomic_t handle_count; /* number of handles on this object */ |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 616 | |
| 617 | /** Related drm device */ |
| 618 | struct drm_device *dev; |
| 619 | |
| 620 | /** File representing the shmem storage */ |
| 621 | struct file *filp; |
| 622 | |
Jesse Barnes | a2c0a97 | 2008-11-05 10:31:53 -0800 | [diff] [blame] | 623 | /* Mapping info for this object */ |
| 624 | struct drm_map_list map_list; |
| 625 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 626 | /** |
| 627 | * Size of the object, in bytes. Immutable over the object's |
| 628 | * lifetime. |
| 629 | */ |
| 630 | size_t size; |
| 631 | |
| 632 | /** |
| 633 | * Global name for this object, starts at 1. 0 means unnamed. |
| 634 | * Access is covered by the object_name_lock in the related drm_device |
| 635 | */ |
| 636 | int name; |
| 637 | |
| 638 | /** |
| 639 | * Memory domains. These monitor which caches contain read/write data |
| 640 | * related to the object. When transitioning from one set of domains |
| 641 | * to another, the driver is called to ensure that caches are suitably |
| 642 | * flushed and invalidated |
| 643 | */ |
| 644 | uint32_t read_domains; |
| 645 | uint32_t write_domain; |
| 646 | |
| 647 | /** |
| 648 | * While validating an exec operation, the |
| 649 | * new read/write domain values are computed here. |
| 650 | * They will be transferred to the above values |
| 651 | * at the point that any cache flushing occurs |
| 652 | */ |
| 653 | uint32_t pending_read_domains; |
| 654 | uint32_t pending_write_domain; |
| 655 | |
| 656 | void *driver_private; |
| 657 | }; |
| 658 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 659 | #include "drm_crtc.h" |
| 660 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 661 | /* per-master structure */ |
| 662 | struct drm_master { |
| 663 | |
| 664 | struct kref refcount; /* refcount for this master */ |
| 665 | |
| 666 | struct list_head head; /**< each minor contains a list of masters */ |
| 667 | struct drm_minor *minor; /**< link back to minor we are a master for */ |
| 668 | |
| 669 | char *unique; /**< Unique identifier: e.g., busid */ |
| 670 | int unique_len; /**< Length of unique field */ |
Vegard Nossum | 1147c9c | 2008-12-02 13:38:47 +1000 | [diff] [blame] | 671 | int unique_size; /**< amount allocated */ |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 672 | |
| 673 | int blocked; /**< Blocked due to VC switch? */ |
| 674 | |
| 675 | /** \name Authentication */ |
| 676 | /*@{ */ |
| 677 | struct drm_open_hash magiclist; |
| 678 | struct list_head magicfree; |
| 679 | /*@} */ |
| 680 | |
| 681 | struct drm_lock_data lock; /**< Information on hardware lock */ |
| 682 | |
| 683 | void *driver_priv; /**< Private structure for driver to use */ |
| 684 | }; |
| 685 | |
Mario Kleiner | 27641c3 | 2010-10-23 04:20:23 +0200 | [diff] [blame] | 686 | /* Size of ringbuffer for vblank timestamps. Just double-buffer |
| 687 | * in initial implementation. |
| 688 | */ |
| 689 | #define DRM_VBLANKTIME_RBSIZE 2 |
| 690 | |
| 691 | /* Flags and return codes for get_vblank_timestamp() driver function. */ |
| 692 | #define DRM_CALLED_FROM_VBLIRQ 1 |
| 693 | #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) |
| 694 | #define DRM_VBLANKTIME_INVBL (1 << 1) |
| 695 | |
| 696 | /* get_scanout_position() return flags */ |
| 697 | #define DRM_SCANOUTPOS_VALID (1 << 0) |
| 698 | #define DRM_SCANOUTPOS_INVBL (1 << 1) |
| 699 | #define DRM_SCANOUTPOS_ACCURATE (1 << 2) |
| 700 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 701 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 702 | * DRM driver structure. This structure represent the common code for |
| 703 | * a family of cards. There will one drm_device for each card present |
| 704 | * in this family |
| 705 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | struct drm_driver { |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 707 | int (*load) (struct drm_device *, unsigned long flags); |
| 708 | int (*firstopen) (struct drm_device *); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 709 | int (*open) (struct drm_device *, struct drm_file *); |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 710 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 711 | void (*postclose) (struct drm_device *, struct drm_file *); |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 712 | void (*lastclose) (struct drm_device *); |
| 713 | int (*unload) (struct drm_device *); |
Dave Airlie | b932ccb | 2008-02-20 10:02:20 +1000 | [diff] [blame] | 714 | int (*suspend) (struct drm_device *, pm_message_t state); |
Jesse Barnes | e8b962b | 2007-11-22 14:02:38 +1000 | [diff] [blame] | 715 | int (*resume) (struct drm_device *); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 716 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 717 | int (*dma_quiescent) (struct drm_device *); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 718 | int (*context_dtor) (struct drm_device *dev, int context); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 719 | |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 720 | /** |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 721 | * get_vblank_counter - get raw hardware vblank counter |
| 722 | * @dev: DRM device |
| 723 | * @crtc: counter to fetch |
| 724 | * |
| 725 | * Driver callback for fetching a raw hardware vblank counter |
| 726 | * for @crtc. If a device doesn't have a hardware counter, the |
| 727 | * driver can simply return the value of drm_vblank_count and |
| 728 | * make the enable_vblank() and disable_vblank() hooks into no-ops, |
| 729 | * leaving interrupts enabled at all times. |
| 730 | * |
| 731 | * Wraparound handling and loss of events due to modesetting is dealt |
| 732 | * with in the DRM core code. |
| 733 | * |
| 734 | * RETURNS |
| 735 | * Raw vblank counter value. |
| 736 | */ |
| 737 | u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); |
| 738 | |
| 739 | /** |
| 740 | * enable_vblank - enable vblank interrupt events |
| 741 | * @dev: DRM device |
| 742 | * @crtc: which irq to enable |
| 743 | * |
| 744 | * Enable vblank interrupts for @crtc. If the device doesn't have |
| 745 | * a hardware vblank counter, this routine should be a no-op, since |
| 746 | * interrupts will have to stay on to keep the count accurate. |
| 747 | * |
| 748 | * RETURNS |
| 749 | * Zero on success, appropriate errno if the given @crtc's vblank |
| 750 | * interrupt cannot be enabled. |
| 751 | */ |
| 752 | int (*enable_vblank) (struct drm_device *dev, int crtc); |
| 753 | |
| 754 | /** |
| 755 | * disable_vblank - disable vblank interrupt events |
| 756 | * @dev: DRM device |
| 757 | * @crtc: which irq to enable |
| 758 | * |
| 759 | * Disable vblank interrupts for @crtc. If the device doesn't have |
| 760 | * a hardware vblank counter, this routine should be a no-op, since |
| 761 | * interrupts will have to stay on to keep the count accurate. |
| 762 | */ |
| 763 | void (*disable_vblank) (struct drm_device *dev, int crtc); |
| 764 | |
| 765 | /** |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 766 | * Called by \c drm_device_is_agp. Typically used to determine if a |
| 767 | * card is really attached to AGP or not. |
| 768 | * |
| 769 | * \param dev DRM device handle |
| 770 | * |
| 771 | * \returns |
| 772 | * One of three values is returned depending on whether or not the |
| 773 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP |
| 774 | * (return of 1), or may or may not be AGP (return of 2). |
| 775 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 776 | int (*device_is_agp) (struct drm_device *dev); |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 777 | |
Mario Kleiner | 27641c3 | 2010-10-23 04:20:23 +0200 | [diff] [blame] | 778 | /** |
| 779 | * Called by vblank timestamping code. |
| 780 | * |
| 781 | * Return the current display scanout position from a crtc. |
| 782 | * |
| 783 | * \param dev DRM device. |
| 784 | * \param crtc Id of the crtc to query. |
| 785 | * \param *vpos Target location for current vertical scanout position. |
| 786 | * \param *hpos Target location for current horizontal scanout position. |
| 787 | * |
| 788 | * Returns vpos as a positive number while in active scanout area. |
| 789 | * Returns vpos as a negative number inside vblank, counting the number |
| 790 | * of scanlines to go until end of vblank, e.g., -1 means "one scanline |
| 791 | * until start of active scanout / end of vblank." |
| 792 | * |
| 793 | * \return Flags, or'ed together as follows: |
| 794 | * |
| 795 | * DRM_SCANOUTPOS_VALID = Query successfull. |
| 796 | * DRM_SCANOUTPOS_INVBL = Inside vblank. |
| 797 | * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of |
| 798 | * this flag means that returned position may be offset by a constant |
| 799 | * but unknown small number of scanlines wrt. real scanout position. |
| 800 | * |
| 801 | */ |
| 802 | int (*get_scanout_position) (struct drm_device *dev, int crtc, |
| 803 | int *vpos, int *hpos); |
| 804 | |
| 805 | /** |
| 806 | * Called by \c drm_get_last_vbltimestamp. Should return a precise |
| 807 | * timestamp when the most recent VBLANK interval ended or will end. |
| 808 | * |
| 809 | * Specifically, the timestamp in @vblank_time should correspond as |
| 810 | * closely as possible to the time when the first video scanline of |
| 811 | * the video frame after the end of VBLANK will start scanning out, |
| 812 | * the time immmediately after end of the VBLANK interval. If the |
| 813 | * @crtc is currently inside VBLANK, this will be a time in the future. |
| 814 | * If the @crtc is currently scanning out a frame, this will be the |
| 815 | * past start time of the current scanout. This is meant to adhere |
| 816 | * to the OpenML OML_sync_control extension specification. |
| 817 | * |
| 818 | * \param dev dev DRM device handle. |
| 819 | * \param crtc crtc for which timestamp should be returned. |
| 820 | * \param *max_error Maximum allowable timestamp error in nanoseconds. |
| 821 | * Implementation should strive to provide timestamp |
| 822 | * with an error of at most *max_error nanoseconds. |
| 823 | * Returns true upper bound on error for timestamp. |
| 824 | * \param *vblank_time Target location for returned vblank timestamp. |
| 825 | * \param flags 0 = Defaults, no special treatment needed. |
| 826 | * \param DRM_CALLED_FROM_VBLIRQ = Function is called from vblank |
| 827 | * irq handler. Some drivers need to apply some workarounds |
| 828 | * for gpu-specific vblank irq quirks if flag is set. |
| 829 | * |
| 830 | * \returns |
| 831 | * Zero if timestamping isn't supported in current display mode or a |
| 832 | * negative number on failure. A positive status code on success, |
| 833 | * which describes how the vblank_time timestamp was computed. |
| 834 | */ |
| 835 | int (*get_vblank_timestamp) (struct drm_device *dev, int crtc, |
| 836 | int *max_error, |
| 837 | struct timeval *vblank_time, |
| 838 | unsigned flags); |
| 839 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | /* these have to be filled in */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 841 | |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 842 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 843 | void (*irq_preinstall) (struct drm_device *dev); |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 844 | int (*irq_postinstall) (struct drm_device *dev); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 845 | void (*irq_uninstall) (struct drm_device *dev); |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 846 | void (*reclaim_buffers) (struct drm_device *dev, |
| 847 | struct drm_file * file_priv); |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 848 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 849 | struct drm_file *file_priv); |
Thomas Hellstrom | 040ac32 | 2007-03-23 13:28:33 +1100 | [diff] [blame] | 850 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 851 | struct drm_file *file_priv); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 852 | void (*set_version) (struct drm_device *dev, |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 853 | struct drm_set_version *sv); |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 854 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 855 | /* Master routines */ |
| 856 | int (*master_create)(struct drm_device *dev, struct drm_master *master); |
| 857 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); |
Thomas Hellstrom | 862302f | 2009-12-02 18:15:25 +0000 | [diff] [blame] | 858 | /** |
| 859 | * master_set is called whenever the minor master is set. |
| 860 | * master_drop is called whenever the minor master is dropped. |
| 861 | */ |
| 862 | |
| 863 | int (*master_set)(struct drm_device *dev, struct drm_file *file_priv, |
| 864 | bool from_open); |
| 865 | void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv, |
| 866 | bool from_release); |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 867 | |
Ben Gamari | 955b12d | 2009-02-17 20:08:49 -0500 | [diff] [blame] | 868 | int (*debugfs_init)(struct drm_minor *minor); |
| 869 | void (*debugfs_cleanup)(struct drm_minor *minor); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 870 | |
| 871 | /** |
| 872 | * Driver-specific constructor for drm_gem_objects, to set up |
| 873 | * obj->driver_private. |
| 874 | * |
| 875 | * Returns 0 on success. |
| 876 | */ |
| 877 | int (*gem_init_object) (struct drm_gem_object *obj); |
| 878 | void (*gem_free_object) (struct drm_gem_object *obj); |
| 879 | |
Dave Airlie | 28d5204 | 2009-09-21 14:33:58 +1000 | [diff] [blame] | 880 | /* vga arb irq handler */ |
| 881 | void (*vgaarb_irq)(struct drm_device *dev, bool state); |
| 882 | |
Jesse Barnes | a2c0a97 | 2008-11-05 10:31:53 -0800 | [diff] [blame] | 883 | /* Driver private ops for this object */ |
| 884 | struct vm_operations_struct *gem_vm_ops; |
| 885 | |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 886 | int major; |
| 887 | int minor; |
| 888 | int patchlevel; |
| 889 | char *name; |
| 890 | char *desc; |
| 891 | char *date; |
| 892 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 893 | u32 driver_features; |
| 894 | int dev_priv_size; |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 895 | struct drm_ioctl_desc *ioctls; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 896 | int num_ioctls; |
| 897 | struct file_operations fops; |
| 898 | struct pci_driver pci_driver; |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 899 | struct platform_device *platform_device; |
Dave Airlie | e7f7ab4 | 2008-11-28 13:43:47 +1000 | [diff] [blame] | 900 | /* List of devices hanging off this driver */ |
| 901 | struct list_head device_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | }; |
| 903 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 904 | #define DRM_MINOR_UNASSIGNED 0 |
| 905 | #define DRM_MINOR_LEGACY 1 |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 906 | #define DRM_MINOR_CONTROL 2 |
| 907 | #define DRM_MINOR_RENDER 3 |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 908 | |
Ben Gamari | 955b12d | 2009-02-17 20:08:49 -0500 | [diff] [blame] | 909 | |
| 910 | /** |
| 911 | * debugfs node list. This structure represents a debugfs file to |
| 912 | * be created by the drm core |
| 913 | */ |
| 914 | struct drm_debugfs_list { |
| 915 | const char *name; /** file name */ |
| 916 | int (*show)(struct seq_file*, void*); /** show callback */ |
| 917 | u32 driver_features; /**< Required driver features for this entry */ |
| 918 | }; |
| 919 | |
| 920 | /** |
| 921 | * debugfs node structure. This structure represents a debugfs file. |
| 922 | */ |
| 923 | struct drm_debugfs_node { |
| 924 | struct list_head list; |
| 925 | struct drm_minor *minor; |
| 926 | struct drm_debugfs_list *debugfs_ent; |
| 927 | struct dentry *dent; |
| 928 | }; |
| 929 | |
| 930 | /** |
| 931 | * Info file list entry. This structure represents a debugfs or proc file to |
| 932 | * be created by the drm core |
| 933 | */ |
| 934 | struct drm_info_list { |
| 935 | const char *name; /** file name */ |
| 936 | int (*show)(struct seq_file*, void*); /** show callback */ |
| 937 | u32 driver_features; /**< Required driver features for this entry */ |
| 938 | void *data; |
| 939 | }; |
| 940 | |
| 941 | /** |
| 942 | * debugfs node structure. This structure represents a debugfs file. |
| 943 | */ |
| 944 | struct drm_info_node { |
| 945 | struct list_head list; |
| 946 | struct drm_minor *minor; |
| 947 | struct drm_info_list *info_ent; |
| 948 | struct dentry *dent; |
| 949 | }; |
| 950 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | /** |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 952 | * DRM minor structure. This structure represents a drm minor number. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 953 | */ |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 954 | struct drm_minor { |
| 955 | int index; /**< Minor device number */ |
| 956 | int type; /**< Control or render */ |
| 957 | dev_t device; /**< Device number for mknod */ |
| 958 | struct device kdev; /**< Linux device */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | struct drm_device *dev; |
Ben Gamari | 955b12d | 2009-02-17 20:08:49 -0500 | [diff] [blame] | 960 | |
| 961 | struct proc_dir_entry *proc_root; /**< proc directory entry */ |
| 962 | struct drm_info_node proc_nodes; |
| 963 | struct dentry *debugfs_root; |
| 964 | struct drm_info_node debugfs_nodes; |
| 965 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 966 | struct drm_master *master; /* currently active master for this node */ |
| 967 | struct list_head master_list; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 968 | struct drm_mode_group mode_group; |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 969 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | |
Kristian Høgsberg | c9a9c5e | 2009-09-12 04:33:34 +1000 | [diff] [blame] | 971 | struct drm_pending_vblank_event { |
| 972 | struct drm_pending_event base; |
| 973 | int pipe; |
| 974 | struct drm_event_vblank event; |
| 975 | }; |
| 976 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 977 | /** |
| 978 | * DRM device structure. This structure represent a complete card that |
| 979 | * may contain multiple heads. |
| 980 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 981 | struct drm_device { |
Dave Airlie | e7f7ab4 | 2008-11-28 13:43:47 +1000 | [diff] [blame] | 982 | struct list_head driver_item; /**< list of devices per driver */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 983 | char *devname; /**< For /proc/interrupts */ |
| 984 | int if_version; /**< Highest interface version set */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 985 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 986 | /** \name Locks */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 987 | /*@{ */ |
| 988 | 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] | 989 | struct mutex struct_mutex; /**< For others */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 990 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 991 | |
| 992 | /** \name Usage Counters */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 993 | /*@{ */ |
| 994 | int open_count; /**< Outstanding files open */ |
| 995 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ |
| 996 | atomic_t vma_count; /**< Outstanding vma areas open */ |
| 997 | int buf_use; /**< Buffers in use -- cannot alloc */ |
| 998 | atomic_t buf_alloc; /**< Buffer allocation in progress */ |
| 999 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | |
| 1001 | /** \name Performance counters */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1002 | /*@{ */ |
| 1003 | unsigned long counters; |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 1004 | enum drm_stat_type types[15]; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1005 | atomic_t counts[15]; |
| 1006 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1007 | |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 1008 | struct list_head filelist; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1009 | |
| 1010 | /** \name Memory management */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1011 | /*@{ */ |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 1012 | struct list_head maplist; /**< Linked list of regions */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1013 | int map_count; /**< Number of mappable regions */ |
Dave Airlie | e0be428 | 2007-07-12 10:26:44 +1000 | [diff] [blame] | 1014 | struct drm_open_hash map_hash; /**< User token hash table for maps */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | |
| 1016 | /** \name Context handle management */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1017 | /*@{ */ |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 1018 | struct list_head ctxlist; /**< Linked list of context handles */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1019 | int ctx_count; /**< Number of context handles */ |
Dave Airlie | 30e2fb1 | 2006-02-02 19:37:46 +1100 | [diff] [blame] | 1020 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | |
Dave Airlie | 6296814 | 2007-07-17 10:46:52 +1000 | [diff] [blame] | 1022 | struct idr ctx_idr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1023 | |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 1024 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1025 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1026 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1027 | |
| 1028 | /** \name DMA queues (contexts) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1029 | /*@{ */ |
| 1030 | int queue_count; /**< Number of active DMA queues */ |
| 1031 | int queue_reserved; /**< Number of reserved DMA queues */ |
| 1032 | int queue_slots; /**< Actual length of queuelist */ |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 1033 | struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
| 1034 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1035 | /*@} */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1036 | |
| 1037 | /** \name Context support */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1038 | /*@{ */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1039 | int irq_enabled; /**< True if irq handler is enabled */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1040 | __volatile__ long context_flag; /**< Context swapping flag */ |
| 1041 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ |
| 1042 | __volatile__ long dma_flag; /**< DMA dispatch flag */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1043 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
| 1044 | int last_checked; /**< Last context checked for DMA */ |
| 1045 | int last_context; /**< Last current context */ |
| 1046 | unsigned long last_switch; /**< jiffies at last context switch */ |
| 1047 | /*@} */ |
| 1048 | |
| 1049 | struct work_struct work; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1050 | /** \name VBLANK IRQ support */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1051 | /*@{ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1052 | |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1053 | /* |
| 1054 | * At load time, disabling the vblank interrupt won't be allowed since |
| 1055 | * old clients may not call the modeset ioctl and therefore misbehave. |
| 1056 | * Once the modeset ioctl *has* been called though, we can safely |
| 1057 | * disable them when unused. |
| 1058 | */ |
| 1059 | int vblank_disable_allowed; |
| 1060 | |
| 1061 | wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ |
| 1062 | atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ |
Mario Kleiner | 27641c3 | 2010-10-23 04:20:23 +0200 | [diff] [blame] | 1063 | struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */ |
| 1064 | spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1065 | spinlock_t vbl_lock; |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1066 | atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ |
| 1067 | u32 *last_vblank; /* protected by dev->vbl_lock, used */ |
| 1068 | /* for wraparound handling */ |
| 1069 | int *vblank_enabled; /* so we don't call enable more than |
| 1070 | once per disable */ |
| 1071 | int *vblank_inmodeset; /* Display driver is setting mode */ |
Eric Anholt | fede5c9 | 2008-12-19 17:23:38 -0800 | [diff] [blame] | 1072 | u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1073 | struct timer_list vblank_disable_timer; |
| 1074 | |
| 1075 | u32 max_vblank_count; /**< size of vblank counter register */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1076 | |
Kristian Høgsberg | c9a9c5e | 2009-09-12 04:33:34 +1000 | [diff] [blame] | 1077 | /** |
| 1078 | * List of events |
| 1079 | */ |
| 1080 | struct list_head vblank_event_list; |
| 1081 | spinlock_t event_lock; |
| 1082 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1083 | /*@} */ |
| 1084 | cycles_t ctx_start; |
| 1085 | cycles_t lck_start; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1086 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1087 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
| 1088 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ |
| 1089 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ |
| 1090 | |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 1091 | struct drm_agp_head *agp; /**< AGP data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1092 | |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 1093 | struct device *dev; /**< Device structure */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1094 | struct pci_dev *pdev; /**< PCI device structure */ |
Eric Anholt | 2f02cc3 | 2006-09-22 04:19:34 +1000 | [diff] [blame] | 1095 | int pci_vendor; /**< PCI vendor id */ |
| 1096 | int pci_device; /**< PCI device id */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1097 | #ifdef __alpha__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1098 | struct pci_controller *hose; |
| 1099 | #endif |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 1100 | |
| 1101 | struct platform_device *platformdev; /**< Platform device struture */ |
| 1102 | |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 1103 | struct drm_sg_mem *sg; /**< Scatter gather memory */ |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1104 | int num_crtcs; /**< Number of CRTCs on this device */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1105 | void *dev_private; /**< device private data */ |
Jesse Barnes | a2c0a97 | 2008-11-05 10:31:53 -0800 | [diff] [blame] | 1106 | void *mm_private; |
| 1107 | struct address_space *dev_mapping; |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 1108 | struct drm_sigdata sigdata; /**< For block_all_signals */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1109 | sigset_t sigmask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1110 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1111 | struct drm_driver *driver; |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 1112 | struct drm_local_map *agp_buffer_map; |
Dave Airlie | d1f2b55 | 2005-08-05 22:11:22 +1000 | [diff] [blame] | 1113 | unsigned int agp_buffer_token; |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1114 | struct drm_minor *control; /**< Control node for card */ |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 1115 | struct drm_minor *primary; /**< render type primary screen head */ |
=?utf-8?q?Michel_D=C3=A4nzer?= | bea5679 | 2006-10-24 23:04:19 +1000 | [diff] [blame] | 1116 | |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1117 | struct drm_mode_config mode_config; /**< Current mode config */ |
| 1118 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1119 | /** \name GEM information */ |
| 1120 | /*@{ */ |
| 1121 | spinlock_t object_name_lock; |
| 1122 | struct idr object_name_idr; |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1123 | uint32_t invalidate_domains; /* domains pending invalidation */ |
| 1124 | uint32_t flush_domains; /* domains pending flush */ |
| 1125 | /*@} */ |
| 1126 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1127 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1128 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1129 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
| 1130 | int feature) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1131 | { |
| 1132 | return ((dev->driver->driver_features & feature) ? 1 : 0); |
| 1133 | } |
| 1134 | |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 1135 | static inline int drm_dev_to_irq(struct drm_device *dev) |
| 1136 | { |
| 1137 | if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) |
| 1138 | return platform_get_irq(dev->platformdev, 0); |
| 1139 | else |
| 1140 | return dev->pdev->irq; |
| 1141 | } |
| 1142 | |
Benjamin Herrenschmidt | c17c2f8 | 2010-08-06 13:55:10 +1000 | [diff] [blame] | 1143 | static inline int drm_get_pci_domain(struct drm_device *dev) |
| 1144 | { |
| 1145 | if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) |
| 1146 | return 0; |
| 1147 | |
| 1148 | #ifndef __alpha__ |
| 1149 | /* For historical reasons, drm_get_pci_domain() is busticated |
| 1150 | * on most archs and has to remain so for userspace interface |
| 1151 | * < 1.4, except on alpha which was right from the beginning |
| 1152 | */ |
| 1153 | if (dev->if_version < 0x10004) |
| 1154 | return 0; |
| 1155 | #endif /* __alpha__ */ |
| 1156 | |
| 1157 | return pci_domain_nr(dev->pdev->bus); |
| 1158 | } |
Dave Airlie | 33229601 | 2006-08-07 20:23:42 +1000 | [diff] [blame] | 1159 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1160 | #if __OS_HAS_AGP |
| 1161 | static inline int drm_core_has_AGP(struct drm_device *dev) |
| 1162 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1163 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | } |
| 1165 | #else |
| 1166 | #define drm_core_has_AGP(dev) (0) |
| 1167 | #endif |
| 1168 | |
| 1169 | #if __OS_HAS_MTRR |
| 1170 | static inline int drm_core_has_MTRR(struct drm_device *dev) |
| 1171 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1172 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1173 | } |
Dave Airlie | 269dc51 | 2006-01-02 16:23:01 +1100 | [diff] [blame] | 1174 | |
| 1175 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB |
| 1176 | |
| 1177 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, |
| 1178 | unsigned int flags) |
| 1179 | { |
| 1180 | return mtrr_add(offset, size, flags, 1); |
| 1181 | } |
| 1182 | |
| 1183 | static inline int drm_mtrr_del(int handle, unsigned long offset, |
| 1184 | unsigned long size, unsigned int flags) |
| 1185 | { |
| 1186 | return mtrr_del(handle, offset, size); |
| 1187 | } |
| 1188 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1189 | #else |
| 1190 | #define drm_core_has_MTRR(dev) (0) |
Dave Airlie | 9c7d462 | 2006-01-12 20:44:30 +1100 | [diff] [blame] | 1191 | |
| 1192 | #define DRM_MTRR_WC 0 |
| 1193 | |
| 1194 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, |
| 1195 | unsigned int flags) |
| 1196 | { |
| 1197 | return 0; |
| 1198 | } |
| 1199 | |
| 1200 | static inline int drm_mtrr_del(int handle, unsigned long offset, |
| 1201 | unsigned long size, unsigned int flags) |
| 1202 | { |
| 1203 | return 0; |
| 1204 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1205 | #endif |
| 1206 | |
| 1207 | /******************************************************************/ |
| 1208 | /** \name Internal function definitions */ |
| 1209 | /*@{*/ |
| 1210 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1211 | /* Driver support (drm_drv.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1212 | extern int drm_init(struct drm_driver *driver); |
| 1213 | extern void drm_exit(struct drm_driver *driver); |
Arnd Bergmann | ed8b670 | 2009-12-16 22:17:09 +0000 | [diff] [blame] | 1214 | extern long drm_ioctl(struct file *filp, |
| 1215 | unsigned int cmd, unsigned long arg); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1216 | extern long drm_compat_ioctl(struct file *filp, |
| 1217 | unsigned int cmd, unsigned long arg); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1218 | extern int drm_lastclose(struct drm_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1219 | |
| 1220 | /* Device support (drm_fops.h) */ |
Arnd Bergmann | 5837471 | 2010-07-10 23:51:39 +0200 | [diff] [blame] | 1221 | extern struct mutex drm_global_mutex; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1222 | extern int drm_open(struct inode *inode, struct file *filp); |
| 1223 | extern int drm_stub_open(struct inode *inode, struct file *filp); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1224 | extern int drm_fasync(int fd, struct file *filp, int on); |
Kristian Høgsberg | c9a9c5e | 2009-09-12 04:33:34 +1000 | [diff] [blame] | 1225 | extern ssize_t drm_read(struct file *filp, char __user *buffer, |
| 1226 | size_t count, loff_t *offset); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1227 | extern int drm_release(struct inode *inode, struct file *filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1228 | |
| 1229 | /* Mapping support (drm_vm.h) */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1230 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
Jesse Barnes | a2c0a97 | 2008-11-05 10:31:53 -0800 | [diff] [blame] | 1231 | extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma); |
| 1232 | extern void drm_vm_open_locked(struct vm_area_struct *vma); |
Chris Wilson | 31dfbc9 | 2010-09-27 21:28:30 +0100 | [diff] [blame] | 1233 | extern void drm_vm_close_locked(struct vm_area_struct *vma); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1234 | 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] | 1235 | |
| 1236 | /* Memory management support (drm_memory.h) */ |
| 1237 | #include "drm_memory.h" |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1238 | extern void drm_mem_init(void); |
| 1239 | extern int drm_mem_info(char *buf, char **start, off_t offset, |
| 1240 | int request, int *eof, void *data); |
| 1241 | 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] | 1242 | |
Daniel Vetter | 690bb51 | 2010-08-23 22:53:35 +0200 | [diff] [blame] | 1243 | extern void drm_free_agp(DRM_AGP_MEM * handle, int pages); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1244 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1245 | extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, |
| 1246 | struct page **pages, |
| 1247 | unsigned long num_pages, |
Keith Packard | ba1eb1d | 2008-10-14 19:55:10 -0700 | [diff] [blame] | 1248 | uint32_t gtt_offset, |
| 1249 | uint32_t type); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1250 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1251 | |
| 1252 | /* Misc. IOCTL support (drm_ioctl.h) */ |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1253 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
| 1254 | struct drm_file *file_priv); |
| 1255 | extern int drm_getunique(struct drm_device *dev, void *data, |
| 1256 | struct drm_file *file_priv); |
| 1257 | extern int drm_setunique(struct drm_device *dev, void *data, |
| 1258 | struct drm_file *file_priv); |
| 1259 | extern int drm_getmap(struct drm_device *dev, void *data, |
| 1260 | struct drm_file *file_priv); |
| 1261 | extern int drm_getclient(struct drm_device *dev, void *data, |
| 1262 | struct drm_file *file_priv); |
| 1263 | extern int drm_getstats(struct drm_device *dev, void *data, |
| 1264 | struct drm_file *file_priv); |
| 1265 | extern int drm_setversion(struct drm_device *dev, void *data, |
| 1266 | struct drm_file *file_priv); |
| 1267 | extern int drm_noop(struct drm_device *dev, void *data, |
| 1268 | struct drm_file *file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1269 | |
| 1270 | /* Context IOCTL support (drm_context.h) */ |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1271 | extern int drm_resctx(struct drm_device *dev, void *data, |
| 1272 | struct drm_file *file_priv); |
| 1273 | extern int drm_addctx(struct drm_device *dev, void *data, |
| 1274 | struct drm_file *file_priv); |
| 1275 | extern int drm_modctx(struct drm_device *dev, void *data, |
| 1276 | struct drm_file *file_priv); |
| 1277 | extern int drm_getctx(struct drm_device *dev, void *data, |
| 1278 | struct drm_file *file_priv); |
| 1279 | extern int drm_switchctx(struct drm_device *dev, void *data, |
| 1280 | struct drm_file *file_priv); |
| 1281 | extern int drm_newctx(struct drm_device *dev, void *data, |
| 1282 | struct drm_file *file_priv); |
| 1283 | extern int drm_rmctx(struct drm_device *dev, void *data, |
| 1284 | struct drm_file *file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1285 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1286 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
| 1287 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); |
| 1288 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1289 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1290 | extern int drm_setsareactx(struct drm_device *dev, void *data, |
| 1291 | struct drm_file *file_priv); |
| 1292 | extern int drm_getsareactx(struct drm_device *dev, void *data, |
| 1293 | struct drm_file *file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1294 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1295 | /* Authentication IOCTL support (drm_auth.h) */ |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1296 | extern int drm_getmagic(struct drm_device *dev, void *data, |
| 1297 | struct drm_file *file_priv); |
| 1298 | extern int drm_authmagic(struct drm_device *dev, void *data, |
| 1299 | struct drm_file *file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1300 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1301 | /* Cache management (drm_cache.c) */ |
| 1302 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); |
| 1303 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1304 | /* Locking IOCTL support (drm_lock.h) */ |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1305 | extern int drm_lock(struct drm_device *dev, void *data, |
| 1306 | struct drm_file *file_priv); |
| 1307 | extern int drm_unlock(struct drm_device *dev, void *data, |
| 1308 | struct drm_file *file_priv); |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 1309 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); |
| 1310 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); |
| 1311 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); |
Thomas Hellstrom | 040ac32 | 2007-03-23 13:28:33 +1100 | [diff] [blame] | 1312 | |
| 1313 | /* |
| 1314 | * These are exported to drivers so that they can implement fencing using |
| 1315 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. |
| 1316 | */ |
| 1317 | |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1318 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1319 | |
| 1320 | /* Buffer management support (drm_bufs.h) */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1321 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
| 1322 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); |
Benjamin Herrenschmidt | 41c2e75 | 2009-02-02 16:55:47 +1100 | [diff] [blame] | 1323 | extern int drm_addmap(struct drm_device *dev, resource_size_t offset, |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 1324 | unsigned int size, enum drm_map_type type, |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 1325 | enum drm_map_flags flags, struct drm_local_map **map_ptr); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1326 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, |
| 1327 | struct drm_file *file_priv); |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 1328 | extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map); |
| 1329 | extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1330 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, |
| 1331 | struct drm_file *file_priv); |
| 1332 | extern int drm_addbufs(struct drm_device *dev, void *data, |
| 1333 | struct drm_file *file_priv); |
| 1334 | extern int drm_infobufs(struct drm_device *dev, void *data, |
| 1335 | struct drm_file *file_priv); |
| 1336 | extern int drm_markbufs(struct drm_device *dev, void *data, |
| 1337 | struct drm_file *file_priv); |
| 1338 | extern int drm_freebufs(struct drm_device *dev, void *data, |
| 1339 | struct drm_file *file_priv); |
| 1340 | extern int drm_mapbufs(struct drm_device *dev, void *data, |
| 1341 | struct drm_file *file_priv); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1342 | extern int drm_order(unsigned long size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1343 | |
| 1344 | /* DMA support (drm_dma.h) */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1345 | extern int drm_dma_setup(struct drm_device *dev); |
| 1346 | extern void drm_dma_takedown(struct drm_device *dev); |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 1347 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 1348 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
| 1349 | struct drm_file *filp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1350 | |
| 1351 | /* IRQ support (drm_irq.h) */ |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1352 | extern int drm_control(struct drm_device *dev, void *data, |
| 1353 | struct drm_file *file_priv); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1354 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
Kristian Høgsberg | dbb19d3 | 2008-08-20 11:04:27 -0400 | [diff] [blame] | 1355 | extern int drm_irq_install(struct drm_device *dev); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1356 | extern int drm_irq_uninstall(struct drm_device *dev); |
| 1357 | extern void drm_driver_irq_preinstall(struct drm_device *dev); |
| 1358 | extern void drm_driver_irq_postinstall(struct drm_device *dev); |
| 1359 | extern void drm_driver_irq_uninstall(struct drm_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1360 | |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1361 | extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 1362 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1363 | struct drm_file *filp); |
Dave Airlie | af6061a | 2008-05-07 12:15:39 +1000 | [diff] [blame] | 1364 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1365 | extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
Mario Kleiner | 27641c3 | 2010-10-23 04:20:23 +0200 | [diff] [blame] | 1366 | extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, |
| 1367 | struct timeval *vblanktime); |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1368 | extern void drm_handle_vblank(struct drm_device *dev, int crtc); |
| 1369 | extern int drm_vblank_get(struct drm_device *dev, int crtc); |
| 1370 | extern void drm_vblank_put(struct drm_device *dev, int crtc); |
Li Peng | 778c902 | 2009-11-09 12:51:22 +0800 | [diff] [blame] | 1371 | extern void drm_vblank_off(struct drm_device *dev, int crtc); |
Keith Packard | 5244021 | 2008-11-18 09:30:25 -0800 | [diff] [blame] | 1372 | extern void drm_vblank_cleanup(struct drm_device *dev); |
Mario Kleiner | 27641c3 | 2010-10-23 04:20:23 +0200 | [diff] [blame] | 1373 | extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, |
| 1374 | struct timeval *tvblank, unsigned flags); |
| 1375 | extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, |
| 1376 | int crtc, int *max_error, |
| 1377 | struct timeval *vblank_time, |
| 1378 | unsigned flags, |
| 1379 | struct drm_crtc *refcrtc); |
| 1380 | extern void drm_calc_timestamping_constants(struct drm_crtc *crtc); |
| 1381 | |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1382 | /* Modesetting support */ |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1383 | extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); |
| 1384 | extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); |
Jesse Barnes | 0a3e67a | 2008-09-30 12:14:26 -0700 | [diff] [blame] | 1385 | extern int drm_modeset_ctl(struct drm_device *dev, void *data, |
| 1386 | struct drm_file *file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1387 | |
| 1388 | /* AGP/GART support (drm_agpsupport.h) */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 1389 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1390 | extern int drm_agp_acquire(struct drm_device *dev); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1391 | extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, |
| 1392 | struct drm_file *file_priv); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1393 | extern int drm_agp_release(struct drm_device *dev); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1394 | extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, |
| 1395 | struct drm_file *file_priv); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1396 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1397 | extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, |
| 1398 | struct drm_file *file_priv); |
| 1399 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); |
| 1400 | extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, |
| 1401 | struct drm_file *file_priv); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1402 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1403 | extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, |
| 1404 | struct drm_file *file_priv); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1405 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1406 | extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, |
| 1407 | struct drm_file *file_priv); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1408 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1409 | extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, |
| 1410 | struct drm_file *file_priv); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1411 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1412 | extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, |
| 1413 | struct drm_file *file_priv); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1414 | extern void drm_agp_chipset_flush(struct drm_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1415 | |
| 1416 | /* Stub support (drm_stub.h) */ |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1417 | extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
| 1418 | struct drm_file *file_priv); |
| 1419 | extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, |
| 1420 | struct drm_file *file_priv); |
| 1421 | struct drm_master *drm_master_create(struct drm_minor *minor); |
| 1422 | extern struct drm_master *drm_master_get(struct drm_master *master); |
| 1423 | extern void drm_master_put(struct drm_master **master); |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 1424 | extern int drm_get_pci_dev(struct pci_dev *pdev, |
| 1425 | const struct pci_device_id *ent, |
| 1426 | struct drm_driver *driver); |
| 1427 | extern int drm_get_platform_dev(struct platform_device *pdev, |
| 1428 | struct drm_driver *driver); |
Kristian Høgsberg | 112b715 | 2009-01-04 16:55:33 -0500 | [diff] [blame] | 1429 | extern void drm_put_dev(struct drm_device *dev); |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 1430 | extern int drm_put_minor(struct drm_minor **minor); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1431 | extern unsigned int drm_debug; |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 1432 | |
Mario Kleiner | 27641c3 | 2010-10-23 04:20:23 +0200 | [diff] [blame] | 1433 | extern unsigned int drm_vblank_offdelay; |
| 1434 | extern unsigned int drm_timestamp_precision; |
| 1435 | |
Greg Kroah-Hartman | 0650fd5 | 2006-01-20 14:08:59 -0800 | [diff] [blame] | 1436 | extern struct class *drm_class; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1437 | extern struct proc_dir_entry *drm_proc_root; |
Ben Gamari | 955b12d | 2009-02-17 20:08:49 -0500 | [diff] [blame] | 1438 | extern struct dentry *drm_debugfs_root; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1439 | |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 1440 | extern struct idr drm_minors_idr; |
| 1441 | |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 1442 | extern struct drm_local_map *drm_getsarea(struct drm_device *dev); |
Dave Airlie | da509d7 | 2007-05-26 05:04:51 +1000 | [diff] [blame] | 1443 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1444 | /* Proc support (drm_proc.h) */ |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 1445 | extern int drm_proc_init(struct drm_minor *minor, int minor_id, |
| 1446 | struct proc_dir_entry *root); |
| 1447 | extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1448 | |
Ben Gamari | 955b12d | 2009-02-17 20:08:49 -0500 | [diff] [blame] | 1449 | /* Debugfs support */ |
| 1450 | #if defined(CONFIG_DEBUG_FS) |
| 1451 | extern int drm_debugfs_init(struct drm_minor *minor, int minor_id, |
| 1452 | struct dentry *root); |
| 1453 | extern int drm_debugfs_create_files(struct drm_info_list *files, int count, |
| 1454 | struct dentry *root, struct drm_minor *minor); |
| 1455 | extern int drm_debugfs_remove_files(struct drm_info_list *files, int count, |
| 1456 | struct drm_minor *minor); |
| 1457 | extern int drm_debugfs_cleanup(struct drm_minor *minor); |
| 1458 | #endif |
| 1459 | |
| 1460 | /* Info file support */ |
| 1461 | extern int drm_name_info(struct seq_file *m, void *data); |
| 1462 | extern int drm_vm_info(struct seq_file *m, void *data); |
| 1463 | extern int drm_queues_info(struct seq_file *m, void *data); |
| 1464 | extern int drm_bufs_info(struct seq_file *m, void *data); |
| 1465 | extern int drm_vblank_info(struct seq_file *m, void *data); |
| 1466 | extern int drm_clients_info(struct seq_file *m, void* data); |
| 1467 | extern int drm_gem_name_info(struct seq_file *m, void *data); |
Ben Gamari | 955b12d | 2009-02-17 20:08:49 -0500 | [diff] [blame] | 1468 | |
| 1469 | #if DRM_DEBUG_CODE |
| 1470 | extern int drm_vma_info(struct seq_file *m, void *data); |
| 1471 | #endif |
| 1472 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1473 | /* Scatter Gather Support (drm_scatter.h) */ |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 1474 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); |
Eric Anholt | c153f45 | 2007-09-03 12:06:45 +1000 | [diff] [blame] | 1475 | extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, |
| 1476 | struct drm_file *file_priv); |
| 1477 | extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); |
| 1478 | extern int drm_sg_free(struct drm_device *dev, void *data, |
| 1479 | struct drm_file *file_priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1480 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1481 | /* ATI PCIGART support (ati_pcigart.h) */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1482 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 1483 | struct drm_ati_pcigart_info * gart_info); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1484 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 1485 | struct drm_ati_pcigart_info * gart_info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1486 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1487 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
Zhenyu Wang | e6be8d9 | 2010-01-05 11:25:05 +0800 | [diff] [blame] | 1488 | size_t align); |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1489 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
| 1490 | 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] | 1491 | |
| 1492 | /* sysfs support (drm_sysfs.c) */ |
Jesse Barnes | e8b962b | 2007-11-22 14:02:38 +1000 | [diff] [blame] | 1493 | struct drm_sysfs_class; |
Greg Kroah-Hartman | 0650fd5 | 2006-01-20 14:08:59 -0800 | [diff] [blame] | 1494 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
Jesse Barnes | e8b962b | 2007-11-22 14:02:38 +1000 | [diff] [blame] | 1495 | extern void drm_sysfs_destroy(void); |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 1496 | extern int drm_sysfs_device_add(struct drm_minor *minor); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1497 | extern void drm_sysfs_hotplug_event(struct drm_device *dev); |
Dave Airlie | 2c14f28 | 2008-04-21 16:47:32 +1000 | [diff] [blame] | 1498 | extern void drm_sysfs_device_remove(struct drm_minor *minor); |
Dave Airlie | f453ba0 | 2008-11-07 14:05:41 -0800 | [diff] [blame] | 1499 | extern char *drm_get_connector_status_name(enum drm_connector_status status); |
| 1500 | extern int drm_sysfs_connector_add(struct drm_connector *connector); |
| 1501 | extern void drm_sysfs_connector_remove(struct drm_connector *connector); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1502 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1503 | /* Graphics Execution Manager library functions (drm_gem.c) */ |
| 1504 | int drm_gem_init(struct drm_device *dev); |
Jesse Barnes | a2c0a97 | 2008-11-05 10:31:53 -0800 | [diff] [blame] | 1505 | void drm_gem_destroy(struct drm_device *dev); |
Daniel Vetter | fd632aa | 2010-04-09 19:05:05 +0000 | [diff] [blame] | 1506 | void drm_gem_object_release(struct drm_gem_object *obj); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1507 | void drm_gem_object_free(struct kref *kref); |
| 1508 | struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, |
| 1509 | size_t size); |
Daniel Vetter | 1d39704 | 2010-04-09 19:05:04 +0000 | [diff] [blame] | 1510 | int drm_gem_object_init(struct drm_device *dev, |
| 1511 | struct drm_gem_object *obj, size_t size); |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 1512 | void drm_gem_object_handle_free(struct drm_gem_object *obj); |
Jesse Barnes | ab00b3e | 2009-02-11 14:01:46 -0800 | [diff] [blame] | 1513 | void drm_gem_vm_open(struct vm_area_struct *vma); |
| 1514 | void drm_gem_vm_close(struct vm_area_struct *vma); |
Jesse Barnes | a2c0a97 | 2008-11-05 10:31:53 -0800 | [diff] [blame] | 1515 | int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1516 | |
Dave Airlie | ba4420c | 2010-03-09 10:56:52 +1000 | [diff] [blame] | 1517 | #include "drm_global.h" |
| 1518 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1519 | static inline void |
| 1520 | drm_gem_object_reference(struct drm_gem_object *obj) |
| 1521 | { |
| 1522 | kref_get(&obj->refcount); |
| 1523 | } |
| 1524 | |
| 1525 | static inline void |
| 1526 | drm_gem_object_unreference(struct drm_gem_object *obj) |
| 1527 | { |
Luca Barbieri | c3ae90c | 2010-02-09 05:49:11 +0000 | [diff] [blame] | 1528 | if (obj != NULL) |
| 1529 | kref_put(&obj->refcount, drm_gem_object_free); |
| 1530 | } |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1531 | |
Luca Barbieri | c3ae90c | 2010-02-09 05:49:11 +0000 | [diff] [blame] | 1532 | static inline void |
| 1533 | drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) |
| 1534 | { |
Chris Wilson | 39b4d07 | 2010-09-30 09:10:26 +0100 | [diff] [blame] | 1535 | if (obj != NULL) { |
| 1536 | struct drm_device *dev = obj->dev; |
| 1537 | mutex_lock(&dev->struct_mutex); |
| 1538 | kref_put(&obj->refcount, drm_gem_object_free); |
| 1539 | mutex_unlock(&dev->struct_mutex); |
| 1540 | } |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1541 | } |
| 1542 | |
| 1543 | int drm_gem_handle_create(struct drm_file *file_priv, |
| 1544 | struct drm_gem_object *obj, |
Pekka Paalanen | a1a2d1d | 2009-08-23 12:40:55 +0300 | [diff] [blame] | 1545 | u32 *handlep); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1546 | |
| 1547 | static inline void |
| 1548 | drm_gem_object_handle_reference(struct drm_gem_object *obj) |
| 1549 | { |
| 1550 | drm_gem_object_reference(obj); |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 1551 | atomic_inc(&obj->handle_count); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1552 | } |
| 1553 | |
| 1554 | static inline void |
| 1555 | drm_gem_object_handle_unreference(struct drm_gem_object *obj) |
| 1556 | { |
| 1557 | if (obj == NULL) |
| 1558 | return; |
| 1559 | |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 1560 | if (atomic_read(&obj->handle_count) == 0) |
| 1561 | return; |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1562 | /* |
| 1563 | * Must bump handle count first as this may be the last |
| 1564 | * ref, in which case the object would disappear before we |
| 1565 | * checked for a name |
| 1566 | */ |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 1567 | if (atomic_dec_and_test(&obj->handle_count)) |
| 1568 | drm_gem_object_handle_free(obj); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1569 | drm_gem_object_unreference(obj); |
| 1570 | } |
| 1571 | |
Luca Barbieri | c3ae90c | 2010-02-09 05:49:11 +0000 | [diff] [blame] | 1572 | static inline void |
| 1573 | drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj) |
| 1574 | { |
| 1575 | if (obj == NULL) |
| 1576 | return; |
| 1577 | |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 1578 | if (atomic_read(&obj->handle_count) == 0) |
| 1579 | return; |
| 1580 | |
Luca Barbieri | c3ae90c | 2010-02-09 05:49:11 +0000 | [diff] [blame] | 1581 | /* |
| 1582 | * Must bump handle count first as this may be the last |
| 1583 | * ref, in which case the object would disappear before we |
| 1584 | * checked for a name |
| 1585 | */ |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 1586 | |
| 1587 | if (atomic_dec_and_test(&obj->handle_count)) |
| 1588 | drm_gem_object_handle_free(obj); |
Luca Barbieri | c3ae90c | 2010-02-09 05:49:11 +0000 | [diff] [blame] | 1589 | drm_gem_object_unreference_unlocked(obj); |
| 1590 | } |
| 1591 | |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1592 | struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, |
| 1593 | struct drm_file *filp, |
Pekka Paalanen | a1a2d1d | 2009-08-23 12:40:55 +0300 | [diff] [blame] | 1594 | u32 handle); |
Eric Anholt | 673a394 | 2008-07-30 12:06:12 -0700 | [diff] [blame] | 1595 | int drm_gem_close_ioctl(struct drm_device *dev, void *data, |
| 1596 | struct drm_file *file_priv); |
| 1597 | int drm_gem_flink_ioctl(struct drm_device *dev, void *data, |
| 1598 | struct drm_file *file_priv); |
| 1599 | int drm_gem_open_ioctl(struct drm_device *dev, void *data, |
| 1600 | struct drm_file *file_priv); |
| 1601 | void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); |
| 1602 | void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); |
| 1603 | |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 1604 | extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); |
| 1605 | extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); |
| 1606 | extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1607 | |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 1608 | static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, |
| 1609 | unsigned int token) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1610 | { |
Dave Airlie | 5591051 | 2007-07-11 16:53:40 +1000 | [diff] [blame] | 1611 | struct drm_map_list *_entry; |
Dave Airlie | bd1b331 | 2007-05-26 05:01:51 +1000 | [diff] [blame] | 1612 | list_for_each_entry(_entry, &dev->maplist, head) |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1613 | if (_entry->user_token == token) |
| 1614 | return _entry->map; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1615 | return NULL; |
| 1616 | } |
| 1617 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1618 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 1619 | { |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 1620 | if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) |
| 1621 | return 0; |
| 1622 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1623 | if (dev->driver->device_is_agp != NULL) { |
| 1624 | int err = (*dev->driver->device_is_agp) (dev); |
| 1625 | |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 1626 | if (err != 2) { |
| 1627 | return err; |
| 1628 | } |
| 1629 | } |
| 1630 | |
| 1631 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); |
| 1632 | } |
| 1633 | |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1634 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 1635 | { |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 1636 | if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) |
| 1637 | return 0; |
| 1638 | else |
| 1639 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); |
Dave Airlie | ea98a92 | 2005-09-11 20:28:11 +1000 | [diff] [blame] | 1640 | } |
| 1641 | |
Benjamin Herrenschmidt | f77d390 | 2009-02-02 16:55:46 +1100 | [diff] [blame] | 1642 | static __inline__ void drm_core_dropmap(struct drm_local_map *map) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1643 | { |
| 1644 | } |
| 1645 | |
Dave Airlie | 72e942d | 2010-03-09 06:33:26 +0000 | [diff] [blame] | 1646 | #include "drm_mem_util.h" |
Jordan Crouse | dcdb167 | 2010-05-27 13:40:25 -0600 | [diff] [blame] | 1647 | |
| 1648 | static inline void *drm_get_device(struct drm_device *dev) |
| 1649 | { |
| 1650 | if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) |
| 1651 | return dev->platformdev; |
| 1652 | else |
| 1653 | return dev->pdev; |
| 1654 | } |
| 1655 | |
| 1656 | extern int drm_platform_init(struct drm_driver *driver); |
| 1657 | extern int drm_pci_init(struct drm_driver *driver); |
| 1658 | extern int drm_fill_in_dev(struct drm_device *dev, |
| 1659 | const struct pci_device_id *ent, |
| 1660 | struct drm_driver *driver); |
| 1661 | int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1662 | /*@}*/ |
| 1663 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1664 | #endif /* __KERNEL__ */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1665 | #endif |