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1123 | serge | 1 | /** |
2 | * \file drmP.h |
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3 | * Private header for Direct Rendering Manager |
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4 | * |
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5 | * \author Rickard E. (Rik) Faith |
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6 | * \author Gareth Hughes |
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7 | */ |
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8 | |||
9 | /* |
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10 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. |
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11 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. |
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12 | * All rights reserved. |
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13 | * |
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14 | * Permission is hereby granted, free of charge, to any person obtaining a |
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15 | * copy of this software and associated documentation files (the "Software"), |
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16 | * to deal in the Software without restriction, including without limitation |
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17 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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18 | * and/or sell copies of the Software, and to permit persons to whom the |
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19 | * Software is furnished to do so, subject to the following conditions: |
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20 | * |
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21 | * The above copyright notice and this permission notice (including the next |
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22 | * paragraph) shall be included in all copies or substantial portions of the |
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23 | * Software. |
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24 | * |
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25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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27 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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28 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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29 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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30 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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31 | * OTHER DEALINGS IN THE SOFTWARE. |
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32 | */ |
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33 | |||
34 | #ifndef _DRM_P_H_ |
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35 | #define _DRM_P_H_ |
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36 | |||
37 | #include |
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38 | #include |
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39 | |||
40 | #include |
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41 | #include |
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42 | |||
43 | //#include |
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44 | |||
45 | struct drm_file; |
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46 | struct drm_device; |
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47 | |||
48 | //#include "drm_os_linux.h" |
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49 | //#include "drm_hashtab.h" |
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50 | //#include "drm_mm.h" |
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51 | |||
52 | #define DRM_UT_CORE 0x01 |
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53 | #define DRM_UT_DRIVER 0x02 |
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54 | #define DRM_UT_KMS 0x04 |
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55 | #define DRM_UT_MODE 0x08 |
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56 | |||
57 | #define KHZ2PICOS(a) (1000000000UL/(a)) |
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58 | |||
59 | extern void drm_ut_debug_printk(unsigned int request_level, |
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60 | const char *prefix, |
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61 | const char *function_name, |
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62 | const char *format, ...); |
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63 | |||
64 | #define DRM_DEBUG_MODE(prefix, fmt, args...) \ |
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65 | do { \ |
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66 | dbgprintf("drm debug: %s" fmt, \ |
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67 | __func__, ##args); \ |
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68 | } while (0) |
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69 | |||
70 | #if 0 |
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71 | |||
72 | /***********************************************************************/ |
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73 | /** \name DRM template customization defaults */ |
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74 | /*@{*/ |
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75 | |||
76 | /* driver capabilities and requirements mask */ |
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77 | #define DRIVER_USE_AGP 0x1 |
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78 | #define DRIVER_REQUIRE_AGP 0x2 |
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79 | #define DRIVER_USE_MTRR 0x4 |
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80 | #define DRIVER_PCI_DMA 0x8 |
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81 | #define DRIVER_SG 0x10 |
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82 | #define DRIVER_HAVE_DMA 0x20 |
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83 | #define DRIVER_HAVE_IRQ 0x40 |
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84 | #define DRIVER_IRQ_SHARED 0x80 |
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85 | #define DRIVER_IRQ_VBL 0x100 |
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86 | #define DRIVER_DMA_QUEUE 0x200 |
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87 | #define DRIVER_FB_DMA 0x400 |
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88 | #define DRIVER_IRQ_VBL2 0x800 |
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89 | #define DRIVER_GEM 0x1000 |
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90 | #define DRIVER_MODESET 0x2000 |
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91 | |||
92 | /***********************************************************************/ |
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93 | /** \name Begin the DRM... */ |
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94 | /*@{*/ |
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95 | |||
96 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then |
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97 | also include looping detection. */ |
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98 | |||
99 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
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100 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
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101 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ |
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102 | #define DRM_LOOPING_LIMIT 5000000 |
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103 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
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104 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ |
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105 | |||
106 | #define DRM_FLAG_DEBUG 0x01 |
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107 | |||
108 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) |
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109 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
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110 | |||
111 | /*@}*/ |
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112 | |||
113 | /***********************************************************************/ |
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114 | /** \name Macros to make printk easier */ |
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115 | /*@{*/ |
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116 | |||
117 | /** |
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118 | * Error output. |
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119 | * |
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120 | * \param fmt printf() like format string. |
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121 | * \param arg arguments |
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122 | */ |
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123 | #define DRM_ERROR(fmt, arg...) \ |
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124 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ##arg) |
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125 | |||
126 | /** |
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127 | * Memory error output. |
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128 | * |
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129 | * \param area memory area where the error occurred. |
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130 | * \param fmt printf() like format string. |
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131 | * \param arg arguments |
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132 | */ |
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133 | #define DRM_MEM_ERROR(area, fmt, arg...) \ |
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134 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __func__, \ |
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135 | drm_mem_stats[area].name , ##arg) |
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136 | |||
137 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) |
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138 | |||
139 | /** |
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140 | * Debug output. |
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141 | * |
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142 | * \param fmt printf() like format string. |
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143 | * \param arg arguments |
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144 | */ |
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145 | #if DRM_DEBUG_CODE |
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146 | #define DRM_DEBUG(fmt, args...) \ |
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147 | do { \ |
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148 | drm_ut_debug_printk(DRM_UT_CORE, DRM_NAME, \ |
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149 | __func__, fmt, ##args); \ |
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150 | } while (0) |
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151 | |||
152 | #define DRM_DEBUG_DRIVER(prefix, fmt, args...) \ |
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153 | do { \ |
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154 | drm_ut_debug_printk(DRM_UT_DRIVER, prefix, \ |
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155 | __func__, fmt, ##args); \ |
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156 | } while (0) |
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157 | #define DRM_DEBUG_KMS(prefix, fmt, args...) \ |
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158 | do { \ |
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159 | drm_ut_debug_printk(DRM_UT_KMS, prefix, \ |
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160 | __func__, fmt, ##args); \ |
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161 | } while (0) |
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162 | #define DRM_DEBUG_MODE(prefix, fmt, args...) \ |
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163 | do { \ |
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164 | drm_ut_debug_printk(DRM_UT_MODE, prefix, \ |
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165 | __func__, fmt, ##args); \ |
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166 | } while (0) |
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167 | #define DRM_LOG(fmt, args...) \ |
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168 | do { \ |
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169 | drm_ut_debug_printk(DRM_UT_CORE, NULL, \ |
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170 | NULL, fmt, ##args); \ |
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171 | } while (0) |
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172 | #define DRM_LOG_KMS(fmt, args...) \ |
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173 | do { \ |
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174 | drm_ut_debug_printk(DRM_UT_KMS, NULL, \ |
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175 | NULL, fmt, ##args); \ |
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176 | } while (0) |
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177 | #define DRM_LOG_MODE(fmt, args...) \ |
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178 | do { \ |
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179 | drm_ut_debug_printk(DRM_UT_MODE, NULL, \ |
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180 | NULL, fmt, ##args); \ |
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181 | } while (0) |
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182 | #define DRM_LOG_DRIVER(fmt, args...) \ |
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183 | do { \ |
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184 | drm_ut_debug_printk(DRM_UT_DRIVER, NULL, \ |
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185 | NULL, fmt, ##args); \ |
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186 | } while (0) |
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187 | #else |
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188 | #define DRM_DEBUG_DRIVER(prefix, fmt, args...) do { } while (0) |
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189 | #define DRM_DEBUG_KMS(prefix, fmt, args...) do { } while (0) |
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190 | #define DRM_DEBUG_MODE(prefix, fmt, args...) do { } while (0) |
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191 | #define DRM_DEBUG(fmt, arg...) do { } while (0) |
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192 | #define DRM_LOG(fmt, arg...) do { } while (0) |
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193 | #define DRM_LOG_KMS(fmt, args...) do { } while (0) |
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194 | #define DRM_LOG_MODE(fmt, arg...) do { } while (0) |
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195 | #define DRM_LOG_DRIVER(fmt, arg...) do { } while (0) |
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196 | |||
197 | #endif |
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198 | |||
199 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) |
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200 | |||
201 | #define DRM_PROC_PRINT(fmt, arg...) \ |
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202 | len += sprintf(&buf[len], fmt , ##arg); \ |
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203 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } |
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204 | |||
205 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ |
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206 | len += sprintf(&buf[len], fmt , ##arg); \ |
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207 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } |
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208 | |||
209 | /*@}*/ |
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210 | |||
211 | /***********************************************************************/ |
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212 | /** \name Internal types and structures */ |
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213 | /*@{*/ |
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214 | |||
215 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
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216 | |||
217 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) |
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218 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) |
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219 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) |
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220 | |||
221 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) |
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222 | /** |
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223 | * Get the private SAREA mapping. |
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224 | * |
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225 | * \param _dev DRM device. |
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226 | * \param _ctx context number. |
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227 | * \param _map output mapping. |
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228 | */ |
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229 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ |
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230 | (_map) = (_dev)->context_sareas[_ctx]; \ |
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231 | } while(0) |
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232 | |||
233 | /** |
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234 | * Test that the hardware lock is held by the caller, returning otherwise. |
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235 | * |
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236 | * \param dev DRM device. |
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237 | * \param filp file pointer of the caller. |
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238 | */ |
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239 | #define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ |
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240 | do { \ |
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241 | if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ |
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242 | _file_priv->master->lock.file_priv != _file_priv) { \ |
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243 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ |
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244 | __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ |
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245 | _file_priv->master->lock.file_priv, _file_priv); \ |
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246 | return -EINVAL; \ |
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247 | } \ |
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248 | } while (0) |
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249 | |||
250 | /** |
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251 | * Copy and IOCTL return string to user space |
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252 | */ |
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253 | #define DRM_COPY( name, value ) \ |
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254 | len = strlen( value ); \ |
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255 | if ( len > name##_len ) len = name##_len; \ |
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256 | name##_len = strlen( value ); \ |
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257 | if ( len && name ) { \ |
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258 | if ( copy_to_user( name, value, len ) ) \ |
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259 | return -EFAULT; \ |
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260 | } |
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261 | |||
262 | /** |
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263 | * Ioctl function type. |
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264 | * |
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265 | * \param inode device inode. |
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266 | * \param file_priv DRM file private pointer. |
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267 | * \param cmd command. |
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268 | * \param arg argument. |
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269 | */ |
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270 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
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271 | struct drm_file *file_priv); |
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272 | |||
273 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
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274 | unsigned long arg); |
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275 | |||
276 | #define DRM_AUTH 0x1 |
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277 | #define DRM_MASTER 0x2 |
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278 | #define DRM_ROOT_ONLY 0x4 |
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279 | #define DRM_CONTROL_ALLOW 0x8 |
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280 | |||
281 | struct drm_ioctl_desc { |
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282 | unsigned int cmd; |
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283 | int flags; |
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284 | drm_ioctl_t *func; |
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285 | }; |
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286 | |||
287 | /** |
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288 | * Creates a driver or general drm_ioctl_desc array entry for the given |
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289 | * ioctl, for use by drm_ioctl(). |
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290 | */ |
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291 | #define DRM_IOCTL_DEF(ioctl, _func, _flags) \ |
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292 | [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags} |
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293 | |||
294 | struct drm_magic_entry { |
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295 | struct list_head head; |
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296 | struct drm_hash_item hash_item; |
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297 | struct drm_file *priv; |
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298 | }; |
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299 | |||
300 | struct drm_vma_entry { |
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301 | struct list_head head; |
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302 | struct vm_area_struct *vma; |
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303 | pid_t pid; |
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304 | }; |
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305 | |||
306 | /** |
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307 | * DMA buffer. |
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308 | */ |
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309 | struct drm_buf { |
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310 | int idx; /**< Index into master buflist */ |
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311 | int total; /**< Buffer size */ |
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312 | int order; /**< log-base-2(total) */ |
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313 | int used; /**< Amount of buffer in use (for DMA) */ |
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314 | unsigned long offset; /**< Byte offset (used internally) */ |
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315 | void *address; /**< Address of buffer */ |
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316 | unsigned long bus_address; /**< Bus address of buffer */ |
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317 | struct drm_buf *next; /**< Kernel-only: used for free list */ |
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318 | __volatile__ int waiting; /**< On kernel DMA queue */ |
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319 | __volatile__ int pending; /**< On hardware DMA queue */ |
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320 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
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321 | struct drm_file *file_priv; /**< Private of holding file descr */ |
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322 | int context; /**< Kernel queue for this buffer */ |
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323 | int while_locked; /**< Dispatch this buffer while locked */ |
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324 | enum { |
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325 | DRM_LIST_NONE = 0, |
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326 | DRM_LIST_FREE = 1, |
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327 | DRM_LIST_WAIT = 2, |
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328 | DRM_LIST_PEND = 3, |
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329 | DRM_LIST_PRIO = 4, |
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330 | DRM_LIST_RECLAIM = 5 |
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331 | } list; /**< Which list we're on */ |
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332 | |||
333 | int dev_priv_size; /**< Size of buffer private storage */ |
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334 | void *dev_private; /**< Per-buffer private storage */ |
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335 | }; |
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336 | |||
337 | /** bufs is one longer than it has to be */ |
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338 | struct drm_waitlist { |
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339 | int count; /**< Number of possible buffers */ |
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340 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
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341 | struct drm_buf **rp; /**< Read pointer */ |
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342 | struct drm_buf **wp; /**< Write pointer */ |
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343 | struct drm_buf **end; /**< End pointer */ |
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344 | spinlock_t read_lock; |
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345 | spinlock_t write_lock; |
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346 | }; |
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347 | |||
348 | struct drm_freelist { |
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349 | int initialized; /**< Freelist in use */ |
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350 | atomic_t count; /**< Number of free buffers */ |
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351 | struct drm_buf *next; /**< End pointer */ |
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352 | |||
353 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ |
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354 | int low_mark; /**< Low water mark */ |
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355 | int high_mark; /**< High water mark */ |
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356 | atomic_t wfh; /**< If waiting for high mark */ |
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357 | spinlock_t lock; |
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358 | }; |
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359 | |||
360 | typedef struct drm_dma_handle { |
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361 | dma_addr_t busaddr; |
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362 | void *vaddr; |
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363 | size_t size; |
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364 | } drm_dma_handle_t; |
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365 | |||
366 | /** |
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367 | * Buffer entry. There is one of this for each buffer size order. |
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368 | */ |
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369 | struct drm_buf_entry { |
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370 | int buf_size; /**< size */ |
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371 | int buf_count; /**< number of buffers */ |
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372 | struct drm_buf *buflist; /**< buffer list */ |
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373 | int seg_count; |
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374 | int page_order; |
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375 | struct drm_dma_handle **seglist; |
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376 | |||
377 | struct drm_freelist freelist; |
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378 | }; |
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379 | |||
380 | /** File private data */ |
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381 | struct drm_file { |
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382 | int authenticated; |
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383 | pid_t pid; |
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384 | uid_t uid; |
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385 | drm_magic_t magic; |
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386 | unsigned long ioctl_count; |
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387 | struct list_head lhead; |
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388 | struct drm_minor *minor; |
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389 | unsigned long lock_count; |
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390 | |||
391 | /** Mapping of mm object handles to object pointers. */ |
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392 | struct idr object_idr; |
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393 | /** Lock for synchronization of access to object_idr. */ |
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394 | spinlock_t table_lock; |
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395 | |||
396 | struct file *filp; |
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397 | void *driver_priv; |
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398 | |||
399 | int is_master; /* this file private is a master for a minor */ |
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400 | struct drm_master *master; /* master this node is currently associated with |
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401 | N.B. not always minor->master */ |
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402 | struct list_head fbs; |
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403 | }; |
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404 | |||
405 | /** Wait queue */ |
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406 | struct drm_queue { |
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407 | atomic_t use_count; /**< Outstanding uses (+1) */ |
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408 | atomic_t finalization; /**< Finalization in progress */ |
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409 | atomic_t block_count; /**< Count of processes waiting */ |
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410 | atomic_t block_read; /**< Queue blocked for reads */ |
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411 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
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412 | atomic_t block_write; /**< Queue blocked for writes */ |
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413 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
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414 | atomic_t total_queued; /**< Total queued statistic */ |
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415 | atomic_t total_flushed; /**< Total flushes statistic */ |
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416 | atomic_t total_locks; /**< Total locks statistics */ |
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417 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
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418 | struct drm_waitlist waitlist; /**< Pending buffers */ |
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419 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
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420 | }; |
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421 | |||
422 | /** |
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423 | * Lock data. |
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424 | */ |
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425 | struct drm_lock_data { |
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426 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
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427 | /** Private of lock holder's file (NULL=kernel) */ |
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428 | struct drm_file *file_priv; |
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429 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
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430 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
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431 | spinlock_t spinlock; |
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432 | uint32_t kernel_waiters; |
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433 | uint32_t user_waiters; |
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434 | int idle_has_lock; |
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435 | }; |
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436 | |||
437 | /** |
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438 | * DMA data. |
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439 | */ |
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440 | struct drm_device_dma { |
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441 | |||
442 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
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443 | int buf_count; /**< total number of buffers */ |
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444 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
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445 | int seg_count; |
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446 | int page_count; /**< number of pages */ |
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447 | unsigned long *pagelist; /**< page list */ |
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448 | unsigned long byte_count; |
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449 | enum { |
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450 | _DRM_DMA_USE_AGP = 0x01, |
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451 | _DRM_DMA_USE_SG = 0x02, |
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452 | _DRM_DMA_USE_FB = 0x04, |
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453 | _DRM_DMA_USE_PCI_RO = 0x08 |
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454 | } flags; |
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455 | |||
456 | }; |
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457 | |||
458 | /** |
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459 | * AGP memory entry. Stored as a doubly linked list. |
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460 | */ |
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461 | struct drm_agp_mem { |
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462 | unsigned long handle; /**< handle */ |
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463 | DRM_AGP_MEM *memory; |
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464 | unsigned long bound; /**< address */ |
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465 | int pages; |
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466 | struct list_head head; |
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467 | }; |
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468 | |||
469 | /** |
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470 | * AGP data. |
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471 | * |
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472 | * \sa drm_agp_init() and drm_device::agp. |
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473 | */ |
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474 | struct drm_agp_head { |
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475 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
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476 | struct list_head memory; |
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477 | unsigned long mode; /**< AGP mode */ |
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478 | struct agp_bridge_data *bridge; |
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479 | int enabled; /**< whether the AGP bus as been enabled */ |
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480 | int acquired; /**< whether the AGP device has been acquired */ |
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481 | unsigned long base; |
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482 | int agp_mtrr; |
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483 | int cant_use_aperture; |
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484 | unsigned long page_mask; |
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485 | }; |
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486 | |||
487 | /** |
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488 | * Scatter-gather memory. |
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489 | */ |
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490 | struct drm_sg_mem { |
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491 | unsigned long handle; |
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492 | void *virtual; |
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493 | int pages; |
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494 | struct page **pagelist; |
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495 | dma_addr_t *busaddr; |
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496 | }; |
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497 | |||
498 | struct drm_sigdata { |
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499 | int context; |
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500 | struct drm_hw_lock *lock; |
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501 | }; |
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502 | |||
503 | |||
504 | /** |
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505 | * Kernel side of a mapping |
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506 | */ |
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507 | struct drm_local_map { |
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508 | resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ |
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509 | unsigned long size; /**< Requested physical size (bytes) */ |
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510 | enum drm_map_type type; /**< Type of memory to map */ |
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511 | enum drm_map_flags flags; /**< Flags */ |
||
512 | void *handle; /**< User-space: "Handle" to pass to mmap() */ |
||
513 | /**< Kernel-space: kernel-virtual address */ |
||
514 | int mtrr; /**< MTRR slot used */ |
||
515 | }; |
||
516 | |||
517 | typedef struct drm_local_map drm_local_map_t; |
||
518 | |||
519 | /** |
||
520 | * Mappings list |
||
521 | */ |
||
522 | struct drm_map_list { |
||
523 | struct list_head head; /**< list head */ |
||
524 | struct drm_hash_item hash; |
||
525 | struct drm_local_map *map; /**< mapping */ |
||
526 | uint64_t user_token; |
||
527 | struct drm_master *master; |
||
528 | struct drm_mm_node *file_offset_node; /**< fake offset */ |
||
529 | }; |
||
530 | |||
531 | /** |
||
532 | * Context handle list |
||
533 | */ |
||
534 | struct drm_ctx_list { |
||
535 | struct list_head head; /**< list head */ |
||
536 | drm_context_t handle; /**< context handle */ |
||
537 | struct drm_file *tag; /**< associated fd private data */ |
||
538 | }; |
||
539 | |||
540 | /* location of GART table */ |
||
541 | #define DRM_ATI_GART_MAIN 1 |
||
542 | #define DRM_ATI_GART_FB 2 |
||
543 | |||
544 | #define DRM_ATI_GART_PCI 1 |
||
545 | #define DRM_ATI_GART_PCIE 2 |
||
546 | #define DRM_ATI_GART_IGP 3 |
||
547 | |||
548 | struct drm_ati_pcigart_info { |
||
549 | int gart_table_location; |
||
550 | int gart_reg_if; |
||
551 | void *addr; |
||
552 | dma_addr_t bus_addr; |
||
553 | dma_addr_t table_mask; |
||
554 | struct drm_dma_handle *table_handle; |
||
555 | struct drm_local_map mapping; |
||
556 | int table_size; |
||
557 | }; |
||
558 | |||
559 | /** |
||
560 | * GEM specific mm private for tracking GEM objects |
||
561 | */ |
||
562 | struct drm_gem_mm { |
||
563 | struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */ |
||
564 | struct drm_open_hash offset_hash; /**< User token hash table for maps */ |
||
565 | }; |
||
566 | |||
567 | /** |
||
568 | * This structure defines the drm_mm memory object, which will be used by the |
||
569 | * DRM for its buffer objects. |
||
570 | */ |
||
571 | struct drm_gem_object { |
||
572 | /** Reference count of this object */ |
||
573 | struct kref refcount; |
||
574 | |||
575 | /** Handle count of this object. Each handle also holds a reference */ |
||
576 | struct kref handlecount; |
||
577 | |||
578 | /** Related drm device */ |
||
579 | struct drm_device *dev; |
||
580 | |||
581 | /** File representing the shmem storage */ |
||
582 | struct file *filp; |
||
583 | |||
584 | /* Mapping info for this object */ |
||
585 | struct drm_map_list map_list; |
||
586 | |||
587 | /** |
||
588 | * Size of the object, in bytes. Immutable over the object's |
||
589 | * lifetime. |
||
590 | */ |
||
591 | size_t size; |
||
592 | |||
593 | /** |
||
594 | * Global name for this object, starts at 1. 0 means unnamed. |
||
595 | * Access is covered by the object_name_lock in the related drm_device |
||
596 | */ |
||
597 | int name; |
||
598 | |||
599 | /** |
||
600 | * Memory domains. These monitor which caches contain read/write data |
||
601 | * related to the object. When transitioning from one set of domains |
||
602 | * to another, the driver is called to ensure that caches are suitably |
||
603 | * flushed and invalidated |
||
604 | */ |
||
605 | uint32_t read_domains; |
||
606 | uint32_t write_domain; |
||
607 | |||
608 | /** |
||
609 | * While validating an exec operation, the |
||
610 | * new read/write domain values are computed here. |
||
611 | * They will be transferred to the above values |
||
612 | * at the point that any cache flushing occurs |
||
613 | */ |
||
614 | uint32_t pending_read_domains; |
||
615 | uint32_t pending_write_domain; |
||
616 | |||
617 | void *driver_private; |
||
618 | }; |
||
619 | |||
620 | #include "drm_crtc.h" |
||
621 | |||
622 | /* per-master structure */ |
||
623 | struct drm_master { |
||
624 | |||
625 | struct kref refcount; /* refcount for this master */ |
||
626 | |||
627 | struct list_head head; /**< each minor contains a list of masters */ |
||
628 | struct drm_minor *minor; /**< link back to minor we are a master for */ |
||
629 | |||
630 | char *unique; /**< Unique identifier: e.g., busid */ |
||
631 | int unique_len; /**< Length of unique field */ |
||
632 | int unique_size; /**< amount allocated */ |
||
633 | |||
634 | int blocked; /**< Blocked due to VC switch? */ |
||
635 | |||
636 | /** \name Authentication */ |
||
637 | /*@{ */ |
||
638 | struct drm_open_hash magiclist; |
||
639 | struct list_head magicfree; |
||
640 | /*@} */ |
||
641 | |||
642 | struct drm_lock_data lock; /**< Information on hardware lock */ |
||
643 | |||
644 | void *driver_priv; /**< Private structure for driver to use */ |
||
645 | }; |
||
646 | |||
647 | /** |
||
648 | * DRM driver structure. This structure represent the common code for |
||
649 | * a family of cards. There will one drm_device for each card present |
||
650 | * in this family |
||
651 | */ |
||
652 | struct drm_driver { |
||
653 | int (*load) (struct drm_device *, unsigned long flags); |
||
654 | int (*firstopen) (struct drm_device *); |
||
655 | int (*open) (struct drm_device *, struct drm_file *); |
||
656 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
||
657 | void (*postclose) (struct drm_device *, struct drm_file *); |
||
658 | void (*lastclose) (struct drm_device *); |
||
659 | int (*unload) (struct drm_device *); |
||
660 | int (*suspend) (struct drm_device *, pm_message_t state); |
||
661 | int (*resume) (struct drm_device *); |
||
662 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
||
663 | void (*dma_ready) (struct drm_device *); |
||
664 | int (*dma_quiescent) (struct drm_device *); |
||
665 | int (*context_ctor) (struct drm_device *dev, int context); |
||
666 | int (*context_dtor) (struct drm_device *dev, int context); |
||
667 | int (*kernel_context_switch) (struct drm_device *dev, int old, |
||
668 | int new); |
||
669 | void (*kernel_context_switch_unlock) (struct drm_device *dev); |
||
670 | |||
671 | /** |
||
672 | * get_vblank_counter - get raw hardware vblank counter |
||
673 | * @dev: DRM device |
||
674 | * @crtc: counter to fetch |
||
675 | * |
||
676 | * Driver callback for fetching a raw hardware vblank counter |
||
677 | * for @crtc. If a device doesn't have a hardware counter, the |
||
678 | * driver can simply return the value of drm_vblank_count and |
||
679 | * make the enable_vblank() and disable_vblank() hooks into no-ops, |
||
680 | * leaving interrupts enabled at all times. |
||
681 | * |
||
682 | * Wraparound handling and loss of events due to modesetting is dealt |
||
683 | * with in the DRM core code. |
||
684 | * |
||
685 | * RETURNS |
||
686 | * Raw vblank counter value. |
||
687 | */ |
||
688 | u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); |
||
689 | |||
690 | /** |
||
691 | * enable_vblank - enable vblank interrupt events |
||
692 | * @dev: DRM device |
||
693 | * @crtc: which irq to enable |
||
694 | * |
||
695 | * Enable vblank interrupts for @crtc. If the device doesn't have |
||
696 | * a hardware vblank counter, this routine should be a no-op, since |
||
697 | * interrupts will have to stay on to keep the count accurate. |
||
698 | * |
||
699 | * RETURNS |
||
700 | * Zero on success, appropriate errno if the given @crtc's vblank |
||
701 | * interrupt cannot be enabled. |
||
702 | */ |
||
703 | int (*enable_vblank) (struct drm_device *dev, int crtc); |
||
704 | |||
705 | /** |
||
706 | * disable_vblank - disable vblank interrupt events |
||
707 | * @dev: DRM device |
||
708 | * @crtc: which irq to enable |
||
709 | * |
||
710 | * Disable vblank interrupts for @crtc. If the device doesn't have |
||
711 | * a hardware vblank counter, this routine should be a no-op, since |
||
712 | * interrupts will have to stay on to keep the count accurate. |
||
713 | */ |
||
714 | void (*disable_vblank) (struct drm_device *dev, int crtc); |
||
715 | |||
716 | /** |
||
717 | * Called by \c drm_device_is_agp. Typically used to determine if a |
||
718 | * card is really attached to AGP or not. |
||
719 | * |
||
720 | * \param dev DRM device handle |
||
721 | * |
||
722 | * \returns |
||
723 | * One of three values is returned depending on whether or not the |
||
724 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP |
||
725 | * (return of 1), or may or may not be AGP (return of 2). |
||
726 | */ |
||
727 | int (*device_is_agp) (struct drm_device *dev); |
||
728 | |||
729 | /* these have to be filled in */ |
||
730 | |||
731 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
||
732 | void (*irq_preinstall) (struct drm_device *dev); |
||
733 | int (*irq_postinstall) (struct drm_device *dev); |
||
734 | void (*irq_uninstall) (struct drm_device *dev); |
||
735 | void (*reclaim_buffers) (struct drm_device *dev, |
||
736 | struct drm_file * file_priv); |
||
737 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
||
738 | struct drm_file *file_priv); |
||
739 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
||
740 | struct drm_file *file_priv); |
||
741 | resource_size_t (*get_map_ofs) (struct drm_local_map * map); |
||
742 | resource_size_t (*get_reg_ofs) (struct drm_device *dev); |
||
743 | void (*set_version) (struct drm_device *dev, |
||
744 | struct drm_set_version *sv); |
||
745 | |||
746 | /* Master routines */ |
||
747 | int (*master_create)(struct drm_device *dev, struct drm_master *master); |
||
748 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); |
||
749 | |||
750 | int (*proc_init)(struct drm_minor *minor); |
||
751 | void (*proc_cleanup)(struct drm_minor *minor); |
||
752 | int (*debugfs_init)(struct drm_minor *minor); |
||
753 | void (*debugfs_cleanup)(struct drm_minor *minor); |
||
754 | |||
755 | /** |
||
756 | * Driver-specific constructor for drm_gem_objects, to set up |
||
757 | * obj->driver_private. |
||
758 | * |
||
759 | * Returns 0 on success. |
||
760 | */ |
||
761 | int (*gem_init_object) (struct drm_gem_object *obj); |
||
762 | void (*gem_free_object) (struct drm_gem_object *obj); |
||
763 | |||
764 | /* Driver private ops for this object */ |
||
765 | struct vm_operations_struct *gem_vm_ops; |
||
766 | |||
767 | int major; |
||
768 | int minor; |
||
769 | int patchlevel; |
||
770 | char *name; |
||
771 | char *desc; |
||
772 | char *date; |
||
773 | |||
774 | u32 driver_features; |
||
775 | int dev_priv_size; |
||
776 | struct drm_ioctl_desc *ioctls; |
||
777 | int num_ioctls; |
||
778 | struct file_operations fops; |
||
779 | struct pci_driver pci_driver; |
||
780 | /* List of devices hanging off this driver */ |
||
781 | struct list_head device_list; |
||
782 | }; |
||
783 | |||
784 | #define DRM_MINOR_UNASSIGNED 0 |
||
785 | #define DRM_MINOR_LEGACY 1 |
||
786 | #define DRM_MINOR_CONTROL 2 |
||
787 | #define DRM_MINOR_RENDER 3 |
||
788 | |||
789 | |||
790 | /** |
||
791 | * debugfs node list. This structure represents a debugfs file to |
||
792 | * be created by the drm core |
||
793 | */ |
||
794 | struct drm_debugfs_list { |
||
795 | const char *name; /** file name */ |
||
796 | int (*show)(struct seq_file*, void*); /** show callback */ |
||
797 | u32 driver_features; /**< Required driver features for this entry */ |
||
798 | }; |
||
799 | |||
800 | /** |
||
801 | * debugfs node structure. This structure represents a debugfs file. |
||
802 | */ |
||
803 | struct drm_debugfs_node { |
||
804 | struct list_head list; |
||
805 | struct drm_minor *minor; |
||
806 | struct drm_debugfs_list *debugfs_ent; |
||
807 | struct dentry *dent; |
||
808 | }; |
||
809 | |||
810 | /** |
||
811 | * Info file list entry. This structure represents a debugfs or proc file to |
||
812 | * be created by the drm core |
||
813 | */ |
||
814 | struct drm_info_list { |
||
815 | const char *name; /** file name */ |
||
816 | int (*show)(struct seq_file*, void*); /** show callback */ |
||
817 | u32 driver_features; /**< Required driver features for this entry */ |
||
818 | void *data; |
||
819 | }; |
||
820 | |||
821 | /** |
||
822 | * debugfs node structure. This structure represents a debugfs file. |
||
823 | */ |
||
824 | struct drm_info_node { |
||
825 | struct list_head list; |
||
826 | struct drm_minor *minor; |
||
827 | struct drm_info_list *info_ent; |
||
828 | struct dentry *dent; |
||
829 | }; |
||
830 | |||
831 | /** |
||
832 | * DRM minor structure. This structure represents a drm minor number. |
||
833 | */ |
||
834 | struct drm_minor { |
||
835 | int index; /**< Minor device number */ |
||
836 | int type; /**< Control or render */ |
||
837 | dev_t device; /**< Device number for mknod */ |
||
838 | struct device kdev; /**< Linux device */ |
||
839 | struct drm_device *dev; |
||
840 | |||
841 | struct proc_dir_entry *proc_root; /**< proc directory entry */ |
||
842 | struct drm_info_node proc_nodes; |
||
843 | struct dentry *debugfs_root; |
||
844 | struct drm_info_node debugfs_nodes; |
||
845 | |||
846 | struct drm_master *master; /* currently active master for this node */ |
||
847 | struct list_head master_list; |
||
848 | struct drm_mode_group mode_group; |
||
849 | }; |
||
850 | |||
851 | |||
852 | |||
853 | |||
854 | #endif |
||
855 | |||
856 | |||
857 | /** |
||
858 | * DRM device structure. This structure represent a complete card that |
||
859 | * may contain multiple heads. |
||
860 | */ |
||
861 | struct drm_device { |
||
862 | struct list_head driver_item; /**< list of devices per driver */ |
||
863 | char *devname; /**< For /proc/interrupts */ |
||
864 | int if_version; /**< Highest interface version set */ |
||
865 | |||
866 | /** \name Locks */ |
||
867 | /*@{ */ |
||
868 | // spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ |
||
869 | // struct mutex struct_mutex; /**< For others */ |
||
870 | /*@} */ |
||
871 | |||
872 | /** \name Usage Counters */ |
||
873 | /*@{ */ |
||
874 | int open_count; /**< Outstanding files open */ |
||
875 | // atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ |
||
876 | // atomic_t vma_count; /**< Outstanding vma areas open */ |
||
877 | int buf_use; /**< Buffers in use -- cannot alloc */ |
||
878 | // atomic_t buf_alloc; /**< Buffer allocation in progress */ |
||
879 | /*@} */ |
||
880 | |||
881 | /** \name Performance counters */ |
||
882 | /*@{ */ |
||
883 | unsigned long counters; |
||
884 | // enum drm_stat_type types[15]; |
||
885 | // atomic_t counts[15]; |
||
886 | /*@} */ |
||
887 | |||
888 | struct list_head filelist; |
||
889 | |||
890 | /** \name Memory management */ |
||
891 | /*@{ */ |
||
892 | struct list_head maplist; /**< Linked list of regions */ |
||
893 | int map_count; /**< Number of mappable regions */ |
||
894 | // struct drm_open_hash map_hash; /**< User token hash table for maps */ |
||
895 | |||
896 | /** \name Context handle management */ |
||
897 | /*@{ */ |
||
898 | struct list_head ctxlist; /**< Linked list of context handles */ |
||
899 | int ctx_count; /**< Number of context handles */ |
||
900 | // struct mutex ctxlist_mutex; /**< For ctxlist */ |
||
901 | |||
902 | // struct idr ctx_idr; |
||
903 | |||
904 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
||
905 | |||
906 | /*@} */ |
||
907 | |||
908 | /** \name DMA queues (contexts) */ |
||
909 | /*@{ */ |
||
910 | int queue_count; /**< Number of active DMA queues */ |
||
911 | int queue_reserved; /**< Number of reserved DMA queues */ |
||
912 | int queue_slots; /**< Actual length of queuelist */ |
||
913 | // struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
||
914 | // struct drm_device_dma *dma; /**< Optional pointer for DMA support */ |
||
915 | /*@} */ |
||
916 | |||
917 | /** \name Context support */ |
||
918 | /*@{ */ |
||
919 | int irq_enabled; /**< True if irq handler is enabled */ |
||
920 | __volatile__ long context_flag; /**< Context swapping flag */ |
||
921 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ |
||
922 | __volatile__ long dma_flag; /**< DMA dispatch flag */ |
||
923 | // struct timer_list timer; /**< Timer for delaying ctx switch */ |
||
924 | // wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
||
925 | int last_checked; /**< Last context checked for DMA */ |
||
926 | int last_context; /**< Last current context */ |
||
927 | unsigned long last_switch; /**< jiffies at last context switch */ |
||
928 | /*@} */ |
||
929 | |||
930 | // struct work_struct work; |
||
931 | /** \name VBLANK IRQ support */ |
||
932 | /*@{ */ |
||
933 | |||
934 | /* |
||
935 | * At load time, disabling the vblank interrupt won't be allowed since |
||
936 | * old clients may not call the modeset ioctl and therefore misbehave. |
||
937 | * Once the modeset ioctl *has* been called though, we can safely |
||
938 | * disable them when unused. |
||
939 | */ |
||
940 | int vblank_disable_allowed; |
||
941 | |||
942 | // wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ |
||
943 | // atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ |
||
944 | // spinlock_t vbl_lock; |
||
945 | // atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ |
||
946 | u32 *last_vblank; /* protected by dev->vbl_lock, used */ |
||
947 | /* for wraparound handling */ |
||
948 | int *vblank_enabled; /* so we don't call enable more than |
||
949 | once per disable */ |
||
950 | int *vblank_inmodeset; /* Display driver is setting mode */ |
||
951 | u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ |
||
952 | // struct timer_list vblank_disable_timer; |
||
953 | |||
954 | u32 max_vblank_count; /**< size of vblank counter register */ |
||
955 | |||
956 | /*@} */ |
||
957 | // cycles_t ctx_start; |
||
958 | // cycles_t lck_start; |
||
959 | |||
960 | // struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
||
961 | // wait_queue_head_t buf_readers; /**< Processes waiting to read */ |
||
962 | // wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ |
||
963 | |||
964 | // struct drm_agp_head *agp; /**< AGP data */ |
||
965 | |||
966 | struct pci_dev *pdev; /**< PCI device structure */ |
||
967 | int pci_vendor; /**< PCI vendor id */ |
||
968 | int pci_device; /**< PCI device id */ |
||
969 | // struct drm_sg_mem *sg; /**< Scatter gather memory */ |
||
970 | int num_crtcs; /**< Number of CRTCs on this device */ |
||
971 | void *dev_private; /**< device private data */ |
||
972 | void *mm_private; |
||
973 | // struct address_space *dev_mapping; |
||
974 | // struct drm_sigdata sigdata; /**< For block_all_signals */ |
||
975 | // sigset_t sigmask; |
||
976 | |||
977 | // struct drm_driver *driver; |
||
978 | // struct drm_local_map *agp_buffer_map; |
||
979 | // unsigned int agp_buffer_token; |
||
980 | // struct drm_minor *control; /**< Control node for card */ |
||
981 | // struct drm_minor *primary; /**< render type primary screen head */ |
||
982 | |||
983 | /** \name Drawable information */ |
||
984 | /*@{ */ |
||
985 | // spinlock_t drw_lock; |
||
986 | // struct idr drw_idr; |
||
987 | /*@} */ |
||
988 | |||
989 | struct drm_mode_config mode_config; /**< Current mode config */ |
||
990 | |||
991 | /** \name GEM information */ |
||
992 | /*@{ */ |
||
993 | // spinlock_t object_name_lock; |
||
994 | // struct idr object_name_idr; |
||
995 | // atomic_t object_count; |
||
996 | // atomic_t object_memory; |
||
997 | // atomic_t pin_count; |
||
998 | // atomic_t pin_memory; |
||
999 | // atomic_t gtt_count; |
||
1000 | // atomic_t gtt_memory; |
||
1001 | // uint32_t gtt_total; |
||
1002 | uint32_t invalidate_domains; /* domains pending invalidation */ |
||
1003 | uint32_t flush_domains; /* domains pending flush */ |
||
1004 | /*@} */ |
||
1005 | |||
1006 | }; |
||
1007 | |||
1008 | |||
1009 | #if 0 |
||
1010 | static inline int drm_dev_to_irq(struct drm_device *dev) |
||
1011 | { |
||
1012 | return dev->pdev->irq; |
||
1013 | } |
||
1014 | |||
1015 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
||
1016 | int feature) |
||
1017 | { |
||
1018 | return ((dev->driver->driver_features & feature) ? 1 : 0); |
||
1019 | } |
||
1020 | |||
1021 | #ifdef __alpha__ |
||
1022 | #define drm_get_pci_domain(dev) dev->hose->index |
||
1023 | #else |
||
1024 | #define drm_get_pci_domain(dev) 0 |
||
1025 | #endif |
||
1026 | |||
1027 | #if __OS_HAS_AGP |
||
1028 | static inline int drm_core_has_AGP(struct drm_device *dev) |
||
1029 | { |
||
1030 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
||
1031 | } |
||
1032 | #else |
||
1033 | #define drm_core_has_AGP(dev) (0) |
||
1034 | #endif |
||
1035 | |||
1036 | #if __OS_HAS_MTRR |
||
1037 | static inline int drm_core_has_MTRR(struct drm_device *dev) |
||
1038 | { |
||
1039 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
||
1040 | } |
||
1041 | |||
1042 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB |
||
1043 | |||
1044 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, |
||
1045 | unsigned int flags) |
||
1046 | { |
||
1047 | return mtrr_add(offset, size, flags, 1); |
||
1048 | } |
||
1049 | |||
1050 | static inline int drm_mtrr_del(int handle, unsigned long offset, |
||
1051 | unsigned long size, unsigned int flags) |
||
1052 | { |
||
1053 | return mtrr_del(handle, offset, size); |
||
1054 | } |
||
1055 | |||
1056 | #else |
||
1057 | #define drm_core_has_MTRR(dev) (0) |
||
1058 | |||
1059 | #define DRM_MTRR_WC 0 |
||
1060 | |||
1061 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, |
||
1062 | unsigned int flags) |
||
1063 | { |
||
1064 | return 0; |
||
1065 | } |
||
1066 | |||
1067 | static inline int drm_mtrr_del(int handle, unsigned long offset, |
||
1068 | unsigned long size, unsigned int flags) |
||
1069 | { |
||
1070 | return 0; |
||
1071 | } |
||
1072 | #endif |
||
1073 | |||
1074 | /******************************************************************/ |
||
1075 | /** \name Internal function definitions */ |
||
1076 | /*@{*/ |
||
1077 | |||
1078 | /* Driver support (drm_drv.h) */ |
||
1079 | extern int drm_init(struct drm_driver *driver); |
||
1080 | extern void drm_exit(struct drm_driver *driver); |
||
1081 | extern int drm_ioctl(struct inode *inode, struct file *filp, |
||
1082 | unsigned int cmd, unsigned long arg); |
||
1083 | extern long drm_compat_ioctl(struct file *filp, |
||
1084 | unsigned int cmd, unsigned long arg); |
||
1085 | extern int drm_lastclose(struct drm_device *dev); |
||
1086 | |||
1087 | /* Device support (drm_fops.h) */ |
||
1088 | extern int drm_open(struct inode *inode, struct file *filp); |
||
1089 | extern int drm_stub_open(struct inode *inode, struct file *filp); |
||
1090 | extern int drm_fasync(int fd, struct file *filp, int on); |
||
1091 | extern int drm_release(struct inode *inode, struct file *filp); |
||
1092 | |||
1093 | /* Mapping support (drm_vm.h) */ |
||
1094 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
||
1095 | extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma); |
||
1096 | extern void drm_vm_open_locked(struct vm_area_struct *vma); |
||
1097 | extern resource_size_t drm_core_get_map_ofs(struct drm_local_map * map); |
||
1098 | extern resource_size_t drm_core_get_reg_ofs(struct drm_device *dev); |
||
1099 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); |
||
1100 | |||
1101 | /* Memory management support (drm_memory.h) */ |
||
1102 | #include "drm_memory.h" |
||
1103 | extern void drm_mem_init(void); |
||
1104 | extern int drm_mem_info(char *buf, char **start, off_t offset, |
||
1105 | int request, int *eof, void *data); |
||
1106 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); |
||
1107 | |||
1108 | extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); |
||
1109 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); |
||
1110 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); |
||
1111 | extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, |
||
1112 | struct page **pages, |
||
1113 | unsigned long num_pages, |
||
1114 | uint32_t gtt_offset, |
||
1115 | uint32_t type); |
||
1116 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); |
||
1117 | |||
1118 | /* Misc. IOCTL support (drm_ioctl.h) */ |
||
1119 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
||
1120 | struct drm_file *file_priv); |
||
1121 | extern int drm_getunique(struct drm_device *dev, void *data, |
||
1122 | struct drm_file *file_priv); |
||
1123 | extern int drm_setunique(struct drm_device *dev, void *data, |
||
1124 | struct drm_file *file_priv); |
||
1125 | extern int drm_getmap(struct drm_device *dev, void *data, |
||
1126 | struct drm_file *file_priv); |
||
1127 | extern int drm_getclient(struct drm_device *dev, void *data, |
||
1128 | struct drm_file *file_priv); |
||
1129 | extern int drm_getstats(struct drm_device *dev, void *data, |
||
1130 | struct drm_file *file_priv); |
||
1131 | extern int drm_setversion(struct drm_device *dev, void *data, |
||
1132 | struct drm_file *file_priv); |
||
1133 | extern int drm_noop(struct drm_device *dev, void *data, |
||
1134 | struct drm_file *file_priv); |
||
1135 | |||
1136 | /* Context IOCTL support (drm_context.h) */ |
||
1137 | extern int drm_resctx(struct drm_device *dev, void *data, |
||
1138 | struct drm_file *file_priv); |
||
1139 | extern int drm_addctx(struct drm_device *dev, void *data, |
||
1140 | struct drm_file *file_priv); |
||
1141 | extern int drm_modctx(struct drm_device *dev, void *data, |
||
1142 | struct drm_file *file_priv); |
||
1143 | extern int drm_getctx(struct drm_device *dev, void *data, |
||
1144 | struct drm_file *file_priv); |
||
1145 | extern int drm_switchctx(struct drm_device *dev, void *data, |
||
1146 | struct drm_file *file_priv); |
||
1147 | extern int drm_newctx(struct drm_device *dev, void *data, |
||
1148 | struct drm_file *file_priv); |
||
1149 | extern int drm_rmctx(struct drm_device *dev, void *data, |
||
1150 | struct drm_file *file_priv); |
||
1151 | |||
1152 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
||
1153 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); |
||
1154 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); |
||
1155 | |||
1156 | extern int drm_setsareactx(struct drm_device *dev, void *data, |
||
1157 | struct drm_file *file_priv); |
||
1158 | extern int drm_getsareactx(struct drm_device *dev, void *data, |
||
1159 | struct drm_file *file_priv); |
||
1160 | |||
1161 | /* Drawable IOCTL support (drm_drawable.h) */ |
||
1162 | extern int drm_adddraw(struct drm_device *dev, void *data, |
||
1163 | struct drm_file *file_priv); |
||
1164 | extern int drm_rmdraw(struct drm_device *dev, void *data, |
||
1165 | struct drm_file *file_priv); |
||
1166 | extern int drm_update_drawable_info(struct drm_device *dev, void *data, |
||
1167 | struct drm_file *file_priv); |
||
1168 | extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, |
||
1169 | drm_drawable_t id); |
||
1170 | extern void drm_drawable_free_all(struct drm_device *dev); |
||
1171 | |||
1172 | /* Authentication IOCTL support (drm_auth.h) */ |
||
1173 | extern int drm_getmagic(struct drm_device *dev, void *data, |
||
1174 | struct drm_file *file_priv); |
||
1175 | extern int drm_authmagic(struct drm_device *dev, void *data, |
||
1176 | struct drm_file *file_priv); |
||
1177 | |||
1178 | /* Cache management (drm_cache.c) */ |
||
1179 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); |
||
1180 | |||
1181 | /* Locking IOCTL support (drm_lock.h) */ |
||
1182 | extern int drm_lock(struct drm_device *dev, void *data, |
||
1183 | struct drm_file *file_priv); |
||
1184 | extern int drm_unlock(struct drm_device *dev, void *data, |
||
1185 | struct drm_file *file_priv); |
||
1186 | extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context); |
||
1187 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); |
||
1188 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); |
||
1189 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); |
||
1190 | |||
1191 | /* |
||
1192 | * These are exported to drivers so that they can implement fencing using |
||
1193 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. |
||
1194 | */ |
||
1195 | |||
1196 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
||
1197 | |||
1198 | /* Buffer management support (drm_bufs.h) */ |
||
1199 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
||
1200 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); |
||
1201 | extern int drm_addmap(struct drm_device *dev, resource_size_t offset, |
||
1202 | unsigned int size, enum drm_map_type type, |
||
1203 | enum drm_map_flags flags, struct drm_local_map **map_ptr); |
||
1204 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, |
||
1205 | struct drm_file *file_priv); |
||
1206 | extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map); |
||
1207 | extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map); |
||
1208 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, |
||
1209 | struct drm_file *file_priv); |
||
1210 | extern int drm_addbufs(struct drm_device *dev, void *data, |
||
1211 | struct drm_file *file_priv); |
||
1212 | extern int drm_infobufs(struct drm_device *dev, void *data, |
||
1213 | struct drm_file *file_priv); |
||
1214 | extern int drm_markbufs(struct drm_device *dev, void *data, |
||
1215 | struct drm_file *file_priv); |
||
1216 | extern int drm_freebufs(struct drm_device *dev, void *data, |
||
1217 | struct drm_file *file_priv); |
||
1218 | extern int drm_mapbufs(struct drm_device *dev, void *data, |
||
1219 | struct drm_file *file_priv); |
||
1220 | extern int drm_order(unsigned long size); |
||
1221 | extern resource_size_t drm_get_resource_start(struct drm_device *dev, |
||
1222 | unsigned int resource); |
||
1223 | extern resource_size_t drm_get_resource_len(struct drm_device *dev, |
||
1224 | unsigned int resource); |
||
1225 | |||
1226 | /* DMA support (drm_dma.h) */ |
||
1227 | extern int drm_dma_setup(struct drm_device *dev); |
||
1228 | extern void drm_dma_takedown(struct drm_device *dev); |
||
1229 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
||
1230 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
||
1231 | struct drm_file *filp); |
||
1232 | |||
1233 | /* IRQ support (drm_irq.h) */ |
||
1234 | extern int drm_control(struct drm_device *dev, void *data, |
||
1235 | struct drm_file *file_priv); |
||
1236 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
||
1237 | extern int drm_irq_install(struct drm_device *dev); |
||
1238 | extern int drm_irq_uninstall(struct drm_device *dev); |
||
1239 | extern void drm_driver_irq_preinstall(struct drm_device *dev); |
||
1240 | extern void drm_driver_irq_postinstall(struct drm_device *dev); |
||
1241 | extern void drm_driver_irq_uninstall(struct drm_device *dev); |
||
1242 | |||
1243 | extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); |
||
1244 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
||
1245 | struct drm_file *filp); |
||
1246 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
||
1247 | extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
||
1248 | extern void drm_handle_vblank(struct drm_device *dev, int crtc); |
||
1249 | extern int drm_vblank_get(struct drm_device *dev, int crtc); |
||
1250 | extern void drm_vblank_put(struct drm_device *dev, int crtc); |
||
1251 | extern void drm_vblank_cleanup(struct drm_device *dev); |
||
1252 | /* Modesetting support */ |
||
1253 | extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); |
||
1254 | extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); |
||
1255 | extern int drm_modeset_ctl(struct drm_device *dev, void *data, |
||
1256 | struct drm_file *file_priv); |
||
1257 | |||
1258 | /* AGP/GART support (drm_agpsupport.h) */ |
||
1259 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
||
1260 | extern int drm_agp_acquire(struct drm_device *dev); |
||
1261 | extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, |
||
1262 | struct drm_file *file_priv); |
||
1263 | extern int drm_agp_release(struct drm_device *dev); |
||
1264 | extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, |
||
1265 | struct drm_file *file_priv); |
||
1266 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
||
1267 | extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, |
||
1268 | struct drm_file *file_priv); |
||
1269 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); |
||
1270 | extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, |
||
1271 | struct drm_file *file_priv); |
||
1272 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
||
1273 | extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, |
||
1274 | struct drm_file *file_priv); |
||
1275 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
||
1276 | extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, |
||
1277 | struct drm_file *file_priv); |
||
1278 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
||
1279 | extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, |
||
1280 | struct drm_file *file_priv); |
||
1281 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
||
1282 | extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, |
||
1283 | struct drm_file *file_priv); |
||
1284 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); |
||
1285 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); |
||
1286 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); |
||
1287 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); |
||
1288 | extern void drm_agp_chipset_flush(struct drm_device *dev); |
||
1289 | |||
1290 | /* Stub support (drm_stub.h) */ |
||
1291 | extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
||
1292 | struct drm_file *file_priv); |
||
1293 | extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, |
||
1294 | struct drm_file *file_priv); |
||
1295 | struct drm_master *drm_master_create(struct drm_minor *minor); |
||
1296 | extern struct drm_master *drm_master_get(struct drm_master *master); |
||
1297 | extern void drm_master_put(struct drm_master **master); |
||
1298 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, |
||
1299 | struct drm_driver *driver); |
||
1300 | extern void drm_put_dev(struct drm_device *dev); |
||
1301 | extern int drm_put_minor(struct drm_minor **minor); |
||
1302 | extern unsigned int drm_debug; |
||
1303 | |||
1304 | extern struct class *drm_class; |
||
1305 | extern struct proc_dir_entry *drm_proc_root; |
||
1306 | extern struct dentry *drm_debugfs_root; |
||
1307 | |||
1308 | extern struct idr drm_minors_idr; |
||
1309 | |||
1310 | extern struct drm_local_map *drm_getsarea(struct drm_device *dev); |
||
1311 | |||
1312 | /* Proc support (drm_proc.h) */ |
||
1313 | extern int drm_proc_init(struct drm_minor *minor, int minor_id, |
||
1314 | struct proc_dir_entry *root); |
||
1315 | extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); |
||
1316 | |||
1317 | /* Debugfs support */ |
||
1318 | #if defined(CONFIG_DEBUG_FS) |
||
1319 | extern int drm_debugfs_init(struct drm_minor *minor, int minor_id, |
||
1320 | struct dentry *root); |
||
1321 | extern int drm_debugfs_create_files(struct drm_info_list *files, int count, |
||
1322 | struct dentry *root, struct drm_minor *minor); |
||
1323 | extern int drm_debugfs_remove_files(struct drm_info_list *files, int count, |
||
1324 | struct drm_minor *minor); |
||
1325 | extern int drm_debugfs_cleanup(struct drm_minor *minor); |
||
1326 | #endif |
||
1327 | |||
1328 | /* Info file support */ |
||
1329 | extern int drm_name_info(struct seq_file *m, void *data); |
||
1330 | extern int drm_vm_info(struct seq_file *m, void *data); |
||
1331 | extern int drm_queues_info(struct seq_file *m, void *data); |
||
1332 | extern int drm_bufs_info(struct seq_file *m, void *data); |
||
1333 | extern int drm_vblank_info(struct seq_file *m, void *data); |
||
1334 | extern int drm_clients_info(struct seq_file *m, void* data); |
||
1335 | extern int drm_gem_name_info(struct seq_file *m, void *data); |
||
1336 | extern int drm_gem_object_info(struct seq_file *m, void* data); |
||
1337 | |||
1338 | #if DRM_DEBUG_CODE |
||
1339 | extern int drm_vma_info(struct seq_file *m, void *data); |
||
1340 | #endif |
||
1341 | |||
1342 | /* Scatter Gather Support (drm_scatter.h) */ |
||
1343 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); |
||
1344 | extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, |
||
1345 | struct drm_file *file_priv); |
||
1346 | extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); |
||
1347 | extern int drm_sg_free(struct drm_device *dev, void *data, |
||
1348 | struct drm_file *file_priv); |
||
1349 | |||
1350 | /* ATI PCIGART support (ati_pcigart.h) */ |
||
1351 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
||
1352 | struct drm_ati_pcigart_info * gart_info); |
||
1353 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
||
1354 | struct drm_ati_pcigart_info * gart_info); |
||
1355 | |||
1356 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
||
1357 | size_t align, dma_addr_t maxaddr); |
||
1358 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
||
1359 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
||
1360 | |||
1361 | /* sysfs support (drm_sysfs.c) */ |
||
1362 | struct drm_sysfs_class; |
||
1363 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
||
1364 | extern void drm_sysfs_destroy(void); |
||
1365 | extern int drm_sysfs_device_add(struct drm_minor *minor); |
||
1366 | extern void drm_sysfs_hotplug_event(struct drm_device *dev); |
||
1367 | extern void drm_sysfs_device_remove(struct drm_minor *minor); |
||
1368 | extern char *drm_get_connector_status_name(enum drm_connector_status status); |
||
1369 | extern int drm_sysfs_connector_add(struct drm_connector *connector); |
||
1370 | extern void drm_sysfs_connector_remove(struct drm_connector *connector); |
||
1371 | |||
1372 | /* Graphics Execution Manager library functions (drm_gem.c) */ |
||
1373 | int drm_gem_init(struct drm_device *dev); |
||
1374 | void drm_gem_destroy(struct drm_device *dev); |
||
1375 | void drm_gem_object_free(struct kref *kref); |
||
1376 | struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, |
||
1377 | size_t size); |
||
1378 | void drm_gem_object_handle_free(struct kref *kref); |
||
1379 | void drm_gem_vm_open(struct vm_area_struct *vma); |
||
1380 | void drm_gem_vm_close(struct vm_area_struct *vma); |
||
1381 | int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
||
1382 | |||
1383 | static inline void |
||
1384 | drm_gem_object_reference(struct drm_gem_object *obj) |
||
1385 | { |
||
1386 | kref_get(&obj->refcount); |
||
1387 | } |
||
1388 | |||
1389 | static inline void |
||
1390 | drm_gem_object_unreference(struct drm_gem_object *obj) |
||
1391 | { |
||
1392 | if (obj == NULL) |
||
1393 | return; |
||
1394 | |||
1395 | kref_put(&obj->refcount, drm_gem_object_free); |
||
1396 | } |
||
1397 | |||
1398 | int drm_gem_handle_create(struct drm_file *file_priv, |
||
1399 | struct drm_gem_object *obj, |
||
1400 | int *handlep); |
||
1401 | |||
1402 | static inline void |
||
1403 | drm_gem_object_handle_reference(struct drm_gem_object *obj) |
||
1404 | { |
||
1405 | drm_gem_object_reference(obj); |
||
1406 | kref_get(&obj->handlecount); |
||
1407 | } |
||
1408 | |||
1409 | static inline void |
||
1410 | drm_gem_object_handle_unreference(struct drm_gem_object *obj) |
||
1411 | { |
||
1412 | if (obj == NULL) |
||
1413 | return; |
||
1414 | |||
1415 | /* |
||
1416 | * Must bump handle count first as this may be the last |
||
1417 | * ref, in which case the object would disappear before we |
||
1418 | * checked for a name |
||
1419 | */ |
||
1420 | kref_put(&obj->handlecount, drm_gem_object_handle_free); |
||
1421 | drm_gem_object_unreference(obj); |
||
1422 | } |
||
1423 | |||
1424 | struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, |
||
1425 | struct drm_file *filp, |
||
1426 | int handle); |
||
1427 | int drm_gem_close_ioctl(struct drm_device *dev, void *data, |
||
1428 | struct drm_file *file_priv); |
||
1429 | int drm_gem_flink_ioctl(struct drm_device *dev, void *data, |
||
1430 | struct drm_file *file_priv); |
||
1431 | int drm_gem_open_ioctl(struct drm_device *dev, void *data, |
||
1432 | struct drm_file *file_priv); |
||
1433 | void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); |
||
1434 | void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); |
||
1435 | |||
1436 | extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); |
||
1437 | extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); |
||
1438 | extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); |
||
1439 | |||
1440 | static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, |
||
1441 | unsigned int token) |
||
1442 | { |
||
1443 | struct drm_map_list *_entry; |
||
1444 | list_for_each_entry(_entry, &dev->maplist, head) |
||
1445 | if (_entry->user_token == token) |
||
1446 | return _entry->map; |
||
1447 | return NULL; |
||
1448 | } |
||
1449 | |||
1450 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
||
1451 | { |
||
1452 | if (dev->driver->device_is_agp != NULL) { |
||
1453 | int err = (*dev->driver->device_is_agp) (dev); |
||
1454 | |||
1455 | if (err != 2) { |
||
1456 | return err; |
||
1457 | } |
||
1458 | } |
||
1459 | |||
1460 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); |
||
1461 | } |
||
1462 | |||
1463 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
||
1464 | { |
||
1465 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); |
||
1466 | } |
||
1467 | |||
1468 | static __inline__ void drm_core_dropmap(struct drm_local_map *map) |
||
1469 | { |
||
1470 | } |
||
1471 | |||
1472 | |||
1473 | static __inline__ void *drm_calloc_large(size_t nmemb, size_t size) |
||
1474 | { |
||
1475 | if (size * nmemb <= PAGE_SIZE) |
||
1476 | return kcalloc(nmemb, size, GFP_KERNEL); |
||
1477 | |||
1478 | if (size != 0 && nmemb > ULONG_MAX / size) |
||
1479 | return NULL; |
||
1480 | |||
1481 | return __vmalloc(size * nmemb, |
||
1482 | GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL); |
||
1483 | } |
||
1484 | |||
1485 | static __inline void drm_free_large(void *ptr) |
||
1486 | { |
||
1487 | if (!is_vmalloc_addr(ptr)) |
||
1488 | return kfree(ptr); |
||
1489 | |||
1490 | vfree(ptr); |
||
1491 | } |
||
1492 | /*@}*/ |
||
1493 | |||
1494 | #endif |
||
1495 | |||
1496 | |||
1497 | #endif=>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><>>>>>>> |