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1408 | 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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1964 | serge | 12 | * Copyright (c) 2009-2010, Code Aurora Forum. |
1408 | serge | 13 | * All rights reserved. |
14 | * |
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15 | * Permission is hereby granted, free of charge, to any person obtaining a |
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16 | * copy of this software and associated documentation files (the "Software"), |
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17 | * to deal in the Software without restriction, including without limitation |
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18 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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19 | * and/or sell copies of the Software, and to permit persons to whom the |
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20 | * Software is furnished to do so, subject to the following conditions: |
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21 | * |
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22 | * The above copyright notice and this permission notice (including the next |
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23 | * paragraph) shall be included in all copies or substantial portions of the |
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24 | * Software. |
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25 | * |
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26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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27 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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28 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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29 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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30 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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31 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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32 | * OTHER DEALINGS IN THE SOFTWARE. |
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33 | */ |
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34 | |||
35 | #ifndef _DRM_P_H_ |
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36 | #define _DRM_P_H_ |
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37 | |||
38 | #ifdef __KERNEL__ |
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39 | #ifdef __alpha__ |
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40 | /* add include of current.h so that "current" is defined |
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41 | * before static inline funcs in wait.h. Doing this so we |
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42 | * can build the DRM (part of PI DRI). 4/21/2000 S + B */ |
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43 | #include |
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44 | #endif /* __alpha__ */ |
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45 | #include |
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46 | #include |
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47 | #include |
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48 | #include |
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49 | |||
50 | //#include |
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51 | //#include |
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52 | //#include |
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53 | //#include |
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54 | //#include |
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55 | #include |
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56 | //#include |
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57 | //#include |
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58 | //#include |
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59 | //#include |
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60 | //#include |
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1630 | serge | 61 | #include |
1408 | serge | 62 | //#include |
63 | //#include |
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64 | //#include |
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65 | //#include |
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66 | //#include |
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67 | //#include |
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68 | |||
69 | #include "drm.h" |
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70 | |||
71 | #include |
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72 | |||
73 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) |
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74 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) |
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75 | |||
76 | |||
77 | |||
78 | |||
79 | #include |
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80 | #include |
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81 | |||
82 | |||
83 | struct drm_file; |
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84 | struct drm_device; |
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85 | |||
86 | //#include "drm_os_linux.h" |
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87 | #include "drm_hashtab.h" |
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88 | #include "drm_mm.h" |
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89 | |||
90 | #define DRM_UT_CORE 0x01 |
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91 | #define DRM_UT_DRIVER 0x02 |
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92 | #define DRM_UT_KMS 0x04 |
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93 | #define DRM_UT_MODE 0x08 |
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94 | |||
95 | #define KHZ2PICOS(a) (1000000000UL/(a)) |
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96 | |||
1964 | serge | 97 | /* get_scanout_position() return flags */ |
98 | #define DRM_SCANOUTPOS_VALID (1 << 0) |
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99 | #define DRM_SCANOUTPOS_INVBL (1 << 1) |
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100 | #define DRM_SCANOUTPOS_ACCURATE (1 << 2) |
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101 | |||
102 | |||
1408 | serge | 103 | extern void drm_ut_debug_printk(unsigned int request_level, |
104 | const char *prefix, |
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105 | const char *function_name, |
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106 | const char *format, ...); |
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107 | |||
108 | #define DRM_DEBUG_MODE(prefix, fmt, args...) \ |
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109 | do { \ |
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110 | dbgprintf("drm debug: %s" fmt, \ |
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111 | __func__, ##args); \ |
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112 | } while (0) |
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113 | |||
114 | #define DRM_DEBUG(fmt, args...) \ |
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115 | do { \ |
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116 | printk("[" DRM_NAME ":%s] " fmt , __func__ , ##args); \ |
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117 | } while(0) |
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118 | |||
119 | #define DRM_DEBUG_KMS(fmt, args...) \ |
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120 | do { \ |
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121 | printk("[" DRM_NAME ":%s] " fmt , __func__ , ##args); \ |
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122 | } while(0) |
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123 | |||
124 | #define dev_err(dev, format, arg...) \ |
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125 | printk("Error %s " format, __func__ , ## arg) |
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126 | |||
127 | #define dev_warn(dev, format, arg...) \ |
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128 | printk("Warning %s " format, __func__ , ## arg) |
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129 | |||
130 | #define dev_info(dev, format, arg...) \ |
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131 | printk("Info %s " format , __func__, ## arg) |
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132 | |||
133 | /** |
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134 | * This structure defines the drm_mm memory object, which will be used by the |
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135 | * DRM for its buffer objects. |
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136 | */ |
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137 | struct drm_gem_object { |
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138 | /** Reference count of this object */ |
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139 | struct kref refcount; |
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140 | |||
141 | /** Handle count of this object. Each handle also holds a reference */ |
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142 | struct kref handlecount; |
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143 | |||
144 | /** Related drm device */ |
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145 | struct drm_device *dev; |
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146 | |||
147 | /** File representing the shmem storage */ |
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148 | // struct file *filp; |
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149 | |||
150 | /* Mapping info for this object */ |
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151 | // struct drm_map_list map_list; |
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152 | |||
153 | /** |
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154 | * Size of the object, in bytes. Immutable over the object's |
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155 | * lifetime. |
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156 | */ |
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157 | size_t size; |
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158 | |||
159 | /** |
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160 | * Global name for this object, starts at 1. 0 means unnamed. |
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161 | * Access is covered by the object_name_lock in the related drm_device |
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162 | */ |
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163 | int name; |
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164 | |||
165 | /** |
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166 | * Memory domains. These monitor which caches contain read/write data |
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167 | * related to the object. When transitioning from one set of domains |
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168 | * to another, the driver is called to ensure that caches are suitably |
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169 | * flushed and invalidated |
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170 | */ |
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171 | uint32_t read_domains; |
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172 | uint32_t write_domain; |
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173 | |||
174 | /** |
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175 | * While validating an exec operation, the |
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176 | * new read/write domain values are computed here. |
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177 | * They will be transferred to the above values |
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178 | * at the point that any cache flushing occurs |
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179 | */ |
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180 | uint32_t pending_read_domains; |
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181 | uint32_t pending_write_domain; |
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182 | |||
183 | void *driver_private; |
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184 | }; |
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185 | |||
186 | static inline int drm_sysfs_connector_add(struct drm_connector *connector) |
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187 | { return 0; }; |
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188 | |||
189 | static inline void drm_sysfs_connector_remove(struct drm_connector *connector) |
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190 | { }; |
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191 | |||
192 | #if 0 |
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193 | |||
194 | /***********************************************************************/ |
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195 | /** \name DRM template customization defaults */ |
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196 | /*@{*/ |
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197 | |||
198 | /* driver capabilities and requirements mask */ |
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199 | #define DRIVER_USE_AGP 0x1 |
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200 | #define DRIVER_REQUIRE_AGP 0x2 |
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201 | #define DRIVER_USE_MTRR 0x4 |
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202 | #define DRIVER_PCI_DMA 0x8 |
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203 | #define DRIVER_SG 0x10 |
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204 | #define DRIVER_HAVE_DMA 0x20 |
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205 | #define DRIVER_HAVE_IRQ 0x40 |
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206 | #define DRIVER_IRQ_SHARED 0x80 |
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207 | #define DRIVER_IRQ_VBL 0x100 |
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208 | #define DRIVER_DMA_QUEUE 0x200 |
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209 | #define DRIVER_FB_DMA 0x400 |
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210 | #define DRIVER_IRQ_VBL2 0x800 |
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211 | #define DRIVER_GEM 0x1000 |
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212 | #define DRIVER_MODESET 0x2000 |
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1964 | serge | 213 | #define DRIVER_USE_PLATFORM_DEVICE 0x4000 |
1408 | serge | 214 | |
215 | /***********************************************************************/ |
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216 | /** \name Begin the DRM... */ |
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217 | /*@{*/ |
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218 | |||
219 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then |
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220 | also include looping detection. */ |
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221 | |||
222 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
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223 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
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224 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ |
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225 | #define DRM_LOOPING_LIMIT 5000000 |
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226 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
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227 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ |
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228 | |||
229 | #define DRM_FLAG_DEBUG 0x01 |
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230 | |||
231 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) |
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232 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
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233 | |||
234 | /*@}*/ |
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235 | |||
236 | /***********************************************************************/ |
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237 | /** \name Macros to make printk easier */ |
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238 | /*@{*/ |
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239 | |||
240 | /** |
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241 | * Error output. |
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242 | * |
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243 | * \param fmt printf() like format string. |
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244 | * \param arg arguments |
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245 | */ |
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246 | #define DRM_ERROR(fmt, arg...) \ |
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247 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ##arg) |
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248 | |||
249 | /** |
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250 | * Memory error output. |
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251 | * |
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252 | * \param area memory area where the error occurred. |
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253 | * \param fmt printf() like format string. |
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254 | * \param arg arguments |
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255 | */ |
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256 | #define DRM_MEM_ERROR(area, fmt, arg...) \ |
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257 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __func__, \ |
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258 | drm_mem_stats[area].name , ##arg) |
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259 | |||
260 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) |
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261 | |||
262 | /** |
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263 | * Debug output. |
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264 | * |
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265 | * \param fmt printf() like format string. |
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266 | * \param arg arguments |
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267 | */ |
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268 | #if DRM_DEBUG_CODE |
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269 | #define DRM_DEBUG(fmt, args...) \ |
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270 | do { \ |
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271 | drm_ut_debug_printk(DRM_UT_CORE, DRM_NAME, \ |
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272 | __func__, fmt, ##args); \ |
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273 | } while (0) |
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274 | |||
275 | #define DRM_DEBUG_DRIVER(fmt, args...) \ |
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276 | do { \ |
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277 | drm_ut_debug_printk(DRM_UT_DRIVER, DRM_NAME, \ |
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278 | __func__, fmt, ##args); \ |
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279 | } while (0) |
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280 | #define DRM_DEBUG_KMS(fmt, args...) \ |
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281 | do { \ |
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282 | drm_ut_debug_printk(DRM_UT_KMS, DRM_NAME, \ |
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283 | __func__, fmt, ##args); \ |
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284 | } while (0) |
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285 | #define DRM_LOG(fmt, args...) \ |
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286 | do { \ |
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287 | drm_ut_debug_printk(DRM_UT_CORE, NULL, \ |
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288 | NULL, fmt, ##args); \ |
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289 | } while (0) |
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290 | #define DRM_LOG_KMS(fmt, args...) \ |
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291 | do { \ |
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292 | drm_ut_debug_printk(DRM_UT_KMS, NULL, \ |
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293 | NULL, fmt, ##args); \ |
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294 | } while (0) |
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295 | #define DRM_LOG_MODE(fmt, args...) \ |
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296 | do { \ |
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297 | drm_ut_debug_printk(DRM_UT_MODE, NULL, \ |
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298 | NULL, fmt, ##args); \ |
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299 | } while (0) |
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300 | #define DRM_LOG_DRIVER(fmt, args...) \ |
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301 | do { \ |
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302 | drm_ut_debug_printk(DRM_UT_DRIVER, NULL, \ |
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303 | NULL, fmt, ##args); \ |
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304 | } while (0) |
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305 | #else |
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306 | #define DRM_DEBUG_DRIVER(fmt, args...) do { } while (0) |
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307 | #define DRM_DEBUG_KMS(fmt, args...) do { } while (0) |
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308 | #define DRM_DEBUG(fmt, arg...) do { } while (0) |
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309 | #define DRM_LOG(fmt, arg...) do { } while (0) |
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310 | #define DRM_LOG_KMS(fmt, args...) do { } while (0) |
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311 | #define DRM_LOG_MODE(fmt, arg...) do { } while (0) |
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312 | #define DRM_LOG_DRIVER(fmt, arg...) do { } while (0) |
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313 | |||
314 | #endif |
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315 | |||
316 | /*@}*/ |
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317 | |||
318 | /***********************************************************************/ |
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319 | /** \name Internal types and structures */ |
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320 | /*@{*/ |
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321 | |||
322 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
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323 | |||
324 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) |
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325 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) |
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326 | |||
327 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) |
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328 | |||
329 | /** |
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330 | * Test that the hardware lock is held by the caller, returning otherwise. |
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331 | * |
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332 | * \param dev DRM device. |
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333 | * \param filp file pointer of the caller. |
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334 | */ |
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335 | #define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ |
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336 | do { \ |
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337 | if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ |
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338 | _file_priv->master->lock.file_priv != _file_priv) { \ |
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339 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ |
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340 | __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ |
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341 | _file_priv->master->lock.file_priv, _file_priv); \ |
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342 | return -EINVAL; \ |
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343 | } \ |
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344 | } while (0) |
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345 | |||
346 | /** |
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347 | * Ioctl function type. |
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348 | * |
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349 | * \param inode device inode. |
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350 | * \param file_priv DRM file private pointer. |
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351 | * \param cmd command. |
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352 | * \param arg argument. |
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353 | */ |
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354 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
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355 | struct drm_file *file_priv); |
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356 | |||
357 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
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358 | unsigned long arg); |
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359 | |||
360 | #define DRM_IOCTL_NR(n) _IOC_NR(n) |
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361 | #define DRM_MAJOR 226 |
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362 | |||
363 | #define DRM_AUTH 0x1 |
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364 | #define DRM_MASTER 0x2 |
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365 | #define DRM_ROOT_ONLY 0x4 |
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366 | #define DRM_CONTROL_ALLOW 0x8 |
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367 | #define DRM_UNLOCKED 0x10 |
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368 | |||
369 | struct drm_ioctl_desc { |
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370 | unsigned int cmd; |
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371 | int flags; |
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372 | drm_ioctl_t *func; |
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1964 | serge | 373 | unsigned int cmd_drv; |
1408 | serge | 374 | }; |
375 | |||
376 | /** |
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377 | * Creates a driver or general drm_ioctl_desc array entry for the given |
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378 | * ioctl, for use by drm_ioctl(). |
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379 | */ |
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380 | |||
1964 | serge | 381 | #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags) \ |
382 | [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl} |
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383 | |||
1408 | serge | 384 | struct drm_magic_entry { |
385 | struct list_head head; |
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386 | struct drm_hash_item hash_item; |
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387 | struct drm_file *priv; |
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388 | }; |
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389 | |||
390 | struct drm_vma_entry { |
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391 | struct list_head head; |
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392 | struct vm_area_struct *vma; |
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393 | pid_t pid; |
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394 | }; |
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395 | |||
396 | /** |
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397 | * DMA buffer. |
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398 | */ |
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399 | struct drm_buf { |
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400 | int idx; /**< Index into master buflist */ |
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401 | int total; /**< Buffer size */ |
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402 | int order; /**< log-base-2(total) */ |
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403 | int used; /**< Amount of buffer in use (for DMA) */ |
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404 | unsigned long offset; /**< Byte offset (used internally) */ |
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405 | void *address; /**< Address of buffer */ |
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406 | unsigned long bus_address; /**< Bus address of buffer */ |
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407 | struct drm_buf *next; /**< Kernel-only: used for free list */ |
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408 | __volatile__ int waiting; /**< On kernel DMA queue */ |
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409 | __volatile__ int pending; /**< On hardware DMA queue */ |
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410 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
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411 | struct drm_file *file_priv; /**< Private of holding file descr */ |
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412 | int context; /**< Kernel queue for this buffer */ |
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413 | int while_locked; /**< Dispatch this buffer while locked */ |
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414 | enum { |
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415 | DRM_LIST_NONE = 0, |
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416 | DRM_LIST_FREE = 1, |
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417 | DRM_LIST_WAIT = 2, |
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418 | DRM_LIST_PEND = 3, |
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419 | DRM_LIST_PRIO = 4, |
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420 | DRM_LIST_RECLAIM = 5 |
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421 | } list; /**< Which list we're on */ |
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422 | |||
423 | int dev_priv_size; /**< Size of buffer private storage */ |
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424 | void *dev_private; /**< Per-buffer private storage */ |
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425 | }; |
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426 | |||
427 | /** bufs is one longer than it has to be */ |
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428 | struct drm_waitlist { |
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429 | int count; /**< Number of possible buffers */ |
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430 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
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431 | struct drm_buf **rp; /**< Read pointer */ |
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432 | struct drm_buf **wp; /**< Write pointer */ |
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433 | struct drm_buf **end; /**< End pointer */ |
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434 | spinlock_t read_lock; |
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435 | spinlock_t write_lock; |
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436 | }; |
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437 | |||
438 | struct drm_freelist { |
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439 | int initialized; /**< Freelist in use */ |
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440 | atomic_t count; /**< Number of free buffers */ |
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441 | struct drm_buf *next; /**< End pointer */ |
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442 | |||
443 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ |
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444 | int low_mark; /**< Low water mark */ |
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445 | int high_mark; /**< High water mark */ |
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446 | atomic_t wfh; /**< If waiting for high mark */ |
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447 | spinlock_t lock; |
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448 | }; |
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449 | |||
450 | typedef struct drm_dma_handle { |
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451 | dma_addr_t busaddr; |
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452 | void *vaddr; |
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453 | size_t size; |
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454 | } drm_dma_handle_t; |
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455 | |||
456 | /** |
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457 | * Buffer entry. There is one of this for each buffer size order. |
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458 | */ |
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459 | struct drm_buf_entry { |
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460 | int buf_size; /**< size */ |
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461 | int buf_count; /**< number of buffers */ |
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462 | struct drm_buf *buflist; /**< buffer list */ |
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463 | int seg_count; |
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464 | int page_order; |
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465 | struct drm_dma_handle **seglist; |
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466 | |||
467 | struct drm_freelist freelist; |
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468 | }; |
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469 | |||
470 | /* Event queued up for userspace to read */ |
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471 | struct drm_pending_event { |
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472 | struct drm_event *event; |
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473 | struct list_head link; |
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474 | struct drm_file *file_priv; |
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1964 | serge | 475 | pid_t pid; /* pid of requester, no guarantee it's valid by the time |
476 | we deliver the event, for tracing only */ |
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1408 | serge | 477 | void (*destroy)(struct drm_pending_event *event); |
478 | }; |
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479 | |||
480 | /** File private data */ |
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481 | struct drm_file { |
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482 | int authenticated; |
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483 | pid_t pid; |
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484 | uid_t uid; |
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485 | drm_magic_t magic; |
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486 | unsigned long ioctl_count; |
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487 | struct list_head lhead; |
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488 | struct drm_minor *minor; |
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489 | unsigned long lock_count; |
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490 | |||
491 | /** Mapping of mm object handles to object pointers. */ |
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492 | struct idr object_idr; |
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493 | /** Lock for synchronization of access to object_idr. */ |
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494 | spinlock_t table_lock; |
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495 | |||
496 | struct file *filp; |
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497 | void *driver_priv; |
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498 | |||
499 | int is_master; /* this file private is a master for a minor */ |
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500 | struct drm_master *master; /* master this node is currently associated with |
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501 | N.B. not always minor->master */ |
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502 | struct list_head fbs; |
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503 | |||
504 | wait_queue_head_t event_wait; |
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505 | struct list_head event_list; |
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506 | int event_space; |
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507 | }; |
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508 | |||
509 | /** Wait queue */ |
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510 | struct drm_queue { |
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511 | atomic_t use_count; /**< Outstanding uses (+1) */ |
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512 | atomic_t finalization; /**< Finalization in progress */ |
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513 | atomic_t block_count; /**< Count of processes waiting */ |
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514 | atomic_t block_read; /**< Queue blocked for reads */ |
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515 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
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516 | atomic_t block_write; /**< Queue blocked for writes */ |
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517 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
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518 | atomic_t total_queued; /**< Total queued statistic */ |
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519 | atomic_t total_flushed; /**< Total flushes statistic */ |
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520 | atomic_t total_locks; /**< Total locks statistics */ |
||
521 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
||
522 | struct drm_waitlist waitlist; /**< Pending buffers */ |
||
523 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
||
524 | }; |
||
525 | |||
526 | /** |
||
527 | * Lock data. |
||
528 | */ |
||
529 | struct drm_lock_data { |
||
530 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
||
531 | /** Private of lock holder's file (NULL=kernel) */ |
||
532 | struct drm_file *file_priv; |
||
533 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
||
534 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
||
535 | spinlock_t spinlock; |
||
536 | uint32_t kernel_waiters; |
||
537 | uint32_t user_waiters; |
||
538 | int idle_has_lock; |
||
539 | }; |
||
540 | |||
541 | /** |
||
542 | * DMA data. |
||
543 | */ |
||
544 | struct drm_device_dma { |
||
545 | |||
546 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
||
547 | int buf_count; /**< total number of buffers */ |
||
548 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
||
549 | int seg_count; |
||
550 | int page_count; /**< number of pages */ |
||
551 | unsigned long *pagelist; /**< page list */ |
||
552 | unsigned long byte_count; |
||
553 | enum { |
||
554 | _DRM_DMA_USE_AGP = 0x01, |
||
555 | _DRM_DMA_USE_SG = 0x02, |
||
556 | _DRM_DMA_USE_FB = 0x04, |
||
557 | _DRM_DMA_USE_PCI_RO = 0x08 |
||
558 | } flags; |
||
559 | |||
560 | }; |
||
561 | |||
562 | /** |
||
563 | * AGP memory entry. Stored as a doubly linked list. |
||
564 | */ |
||
565 | struct drm_agp_mem { |
||
566 | unsigned long handle; /**< handle */ |
||
567 | DRM_AGP_MEM *memory; |
||
568 | unsigned long bound; /**< address */ |
||
569 | int pages; |
||
570 | struct list_head head; |
||
571 | }; |
||
572 | |||
573 | /** |
||
574 | * AGP data. |
||
575 | * |
||
576 | * \sa drm_agp_init() and drm_device::agp. |
||
577 | */ |
||
578 | struct drm_agp_head { |
||
579 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
||
580 | struct list_head memory; |
||
581 | unsigned long mode; /**< AGP mode */ |
||
582 | struct agp_bridge_data *bridge; |
||
583 | int enabled; /**< whether the AGP bus as been enabled */ |
||
584 | int acquired; /**< whether the AGP device has been acquired */ |
||
585 | unsigned long base; |
||
586 | int agp_mtrr; |
||
587 | int cant_use_aperture; |
||
588 | unsigned long page_mask; |
||
589 | }; |
||
590 | |||
591 | /** |
||
592 | * Scatter-gather memory. |
||
593 | */ |
||
594 | struct drm_sg_mem { |
||
595 | unsigned long handle; |
||
596 | void *virtual; |
||
597 | int pages; |
||
598 | struct page **pagelist; |
||
599 | dma_addr_t *busaddr; |
||
600 | }; |
||
601 | |||
602 | struct drm_sigdata { |
||
603 | int context; |
||
604 | struct drm_hw_lock *lock; |
||
605 | }; |
||
606 | |||
607 | |||
608 | /** |
||
609 | * Kernel side of a mapping |
||
610 | */ |
||
611 | struct drm_local_map { |
||
612 | resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ |
||
613 | unsigned long size; /**< Requested physical size (bytes) */ |
||
614 | enum drm_map_type type; /**< Type of memory to map */ |
||
615 | enum drm_map_flags flags; /**< Flags */ |
||
616 | void *handle; /**< User-space: "Handle" to pass to mmap() */ |
||
617 | /**< Kernel-space: kernel-virtual address */ |
||
618 | int mtrr; /**< MTRR slot used */ |
||
619 | }; |
||
620 | |||
621 | typedef struct drm_local_map drm_local_map_t; |
||
622 | |||
623 | /** |
||
624 | * Mappings list |
||
625 | */ |
||
626 | struct drm_map_list { |
||
627 | struct list_head head; /**< list head */ |
||
628 | struct drm_hash_item hash; |
||
629 | struct drm_local_map *map; /**< mapping */ |
||
630 | uint64_t user_token; |
||
631 | struct drm_master *master; |
||
632 | struct drm_mm_node *file_offset_node; /**< fake offset */ |
||
633 | }; |
||
634 | |||
635 | /** |
||
636 | * Context handle list |
||
637 | */ |
||
638 | struct drm_ctx_list { |
||
639 | struct list_head head; /**< list head */ |
||
640 | drm_context_t handle; /**< context handle */ |
||
641 | struct drm_file *tag; /**< associated fd private data */ |
||
642 | }; |
||
643 | |||
644 | /* location of GART table */ |
||
645 | #define DRM_ATI_GART_MAIN 1 |
||
646 | #define DRM_ATI_GART_FB 2 |
||
647 | |||
648 | #define DRM_ATI_GART_PCI 1 |
||
649 | #define DRM_ATI_GART_PCIE 2 |
||
650 | #define DRM_ATI_GART_IGP 3 |
||
651 | |||
652 | struct drm_ati_pcigart_info { |
||
653 | int gart_table_location; |
||
654 | int gart_reg_if; |
||
655 | void *addr; |
||
656 | dma_addr_t bus_addr; |
||
657 | dma_addr_t table_mask; |
||
658 | struct drm_dma_handle *table_handle; |
||
659 | struct drm_local_map mapping; |
||
660 | int table_size; |
||
661 | }; |
||
662 | |||
663 | /** |
||
664 | * GEM specific mm private for tracking GEM objects |
||
665 | */ |
||
666 | struct drm_gem_mm { |
||
667 | struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */ |
||
668 | struct drm_open_hash offset_hash; /**< User token hash table for maps */ |
||
669 | }; |
||
670 | |||
671 | /** |
||
672 | * This structure defines the drm_mm memory object, which will be used by the |
||
673 | * DRM for its buffer objects. |
||
674 | */ |
||
675 | struct drm_gem_object { |
||
676 | /** Reference count of this object */ |
||
677 | struct kref refcount; |
||
678 | |||
679 | /** Handle count of this object. Each handle also holds a reference */ |
||
1964 | serge | 680 | atomic_t handle_count; /* number of handles on this object */ |
1408 | serge | 681 | |
682 | /** Related drm device */ |
||
683 | struct drm_device *dev; |
||
684 | |||
685 | /** File representing the shmem storage */ |
||
686 | struct file *filp; |
||
687 | |||
688 | /* Mapping info for this object */ |
||
689 | struct drm_map_list map_list; |
||
690 | |||
691 | /** |
||
692 | * Size of the object, in bytes. Immutable over the object's |
||
693 | * lifetime. |
||
694 | */ |
||
695 | size_t size; |
||
696 | |||
697 | /** |
||
698 | * Global name for this object, starts at 1. 0 means unnamed. |
||
699 | * Access is covered by the object_name_lock in the related drm_device |
||
700 | */ |
||
701 | int name; |
||
702 | |||
703 | /** |
||
704 | * Memory domains. These monitor which caches contain read/write data |
||
705 | * related to the object. When transitioning from one set of domains |
||
706 | * to another, the driver is called to ensure that caches are suitably |
||
707 | * flushed and invalidated |
||
708 | */ |
||
709 | uint32_t read_domains; |
||
710 | uint32_t write_domain; |
||
711 | |||
712 | /** |
||
713 | * While validating an exec operation, the |
||
714 | * new read/write domain values are computed here. |
||
715 | * They will be transferred to the above values |
||
716 | * at the point that any cache flushing occurs |
||
717 | */ |
||
718 | uint32_t pending_read_domains; |
||
719 | uint32_t pending_write_domain; |
||
720 | |||
721 | void *driver_private; |
||
722 | }; |
||
723 | |||
724 | #include "drm_crtc.h" |
||
725 | |||
726 | /* per-master structure */ |
||
727 | struct drm_master { |
||
728 | |||
729 | struct kref refcount; /* refcount for this master */ |
||
730 | |||
731 | struct list_head head; /**< each minor contains a list of masters */ |
||
732 | struct drm_minor *minor; /**< link back to minor we are a master for */ |
||
733 | |||
734 | char *unique; /**< Unique identifier: e.g., busid */ |
||
735 | int unique_len; /**< Length of unique field */ |
||
736 | int unique_size; /**< amount allocated */ |
||
737 | |||
738 | int blocked; /**< Blocked due to VC switch? */ |
||
739 | |||
740 | /** \name Authentication */ |
||
741 | /*@{ */ |
||
742 | struct drm_open_hash magiclist; |
||
743 | struct list_head magicfree; |
||
744 | /*@} */ |
||
745 | |||
746 | struct drm_lock_data lock; /**< Information on hardware lock */ |
||
747 | |||
748 | void *driver_priv; /**< Private structure for driver to use */ |
||
749 | }; |
||
750 | |||
1964 | serge | 751 | /* Size of ringbuffer for vblank timestamps. Just double-buffer |
752 | * in initial implementation. |
||
753 | */ |
||
754 | #define DRM_VBLANKTIME_RBSIZE 2 |
||
755 | |||
756 | /* Flags and return codes for get_vblank_timestamp() driver function. */ |
||
757 | #define DRM_CALLED_FROM_VBLIRQ 1 |
||
758 | #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0) |
||
759 | #define DRM_VBLANKTIME_INVBL (1 << 1) |
||
760 | |||
761 | /* get_scanout_position() return flags */ |
||
762 | #define DRM_SCANOUTPOS_VALID (1 << 0) |
||
763 | #define DRM_SCANOUTPOS_INVBL (1 << 1) |
||
764 | #define DRM_SCANOUTPOS_ACCURATE (1 << 2) |
||
765 | |||
766 | struct drm_bus { |
||
767 | int bus_type; |
||
768 | int (*get_irq)(struct drm_device *dev); |
||
769 | const char *(*get_name)(struct drm_device *dev); |
||
770 | int (*set_busid)(struct drm_device *dev, struct drm_master *master); |
||
771 | int (*set_unique)(struct drm_device *dev, struct drm_master *master, |
||
772 | struct drm_unique *unique); |
||
773 | int (*irq_by_busid)(struct drm_device *dev, struct drm_irq_busid *p); |
||
774 | /* hooks that are for PCI */ |
||
775 | int (*agp_init)(struct drm_device *dev); |
||
776 | |||
777 | }; |
||
778 | |||
1408 | serge | 779 | /** |
780 | * DRM driver structure. This structure represent the common code for |
||
781 | * a family of cards. There will one drm_device for each card present |
||
782 | * in this family |
||
783 | */ |
||
784 | struct drm_driver { |
||
785 | int (*load) (struct drm_device *, unsigned long flags); |
||
786 | int (*firstopen) (struct drm_device *); |
||
787 | int (*open) (struct drm_device *, struct drm_file *); |
||
788 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
||
789 | void (*postclose) (struct drm_device *, struct drm_file *); |
||
790 | void (*lastclose) (struct drm_device *); |
||
791 | int (*unload) (struct drm_device *); |
||
792 | int (*suspend) (struct drm_device *, pm_message_t state); |
||
793 | int (*resume) (struct drm_device *); |
||
794 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
||
795 | int (*dma_quiescent) (struct drm_device *); |
||
796 | int (*context_dtor) (struct drm_device *dev, int context); |
||
797 | |||
798 | /** |
||
799 | * get_vblank_counter - get raw hardware vblank counter |
||
800 | * @dev: DRM device |
||
801 | * @crtc: counter to fetch |
||
802 | * |
||
803 | * Driver callback for fetching a raw hardware vblank counter |
||
804 | * for @crtc. If a device doesn't have a hardware counter, the |
||
805 | * driver can simply return the value of drm_vblank_count and |
||
806 | * make the enable_vblank() and disable_vblank() hooks into no-ops, |
||
807 | * leaving interrupts enabled at all times. |
||
808 | * |
||
809 | * Wraparound handling and loss of events due to modesetting is dealt |
||
810 | * with in the DRM core code. |
||
811 | * |
||
812 | * RETURNS |
||
813 | * Raw vblank counter value. |
||
814 | */ |
||
815 | u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); |
||
816 | |||
817 | /** |
||
818 | * enable_vblank - enable vblank interrupt events |
||
819 | * @dev: DRM device |
||
820 | * @crtc: which irq to enable |
||
821 | * |
||
822 | * Enable vblank interrupts for @crtc. If the device doesn't have |
||
823 | * a hardware vblank counter, this routine should be a no-op, since |
||
824 | * interrupts will have to stay on to keep the count accurate. |
||
825 | * |
||
826 | * RETURNS |
||
827 | * Zero on success, appropriate errno if the given @crtc's vblank |
||
828 | * interrupt cannot be enabled. |
||
829 | */ |
||
830 | int (*enable_vblank) (struct drm_device *dev, int crtc); |
||
831 | |||
832 | /** |
||
833 | * disable_vblank - disable vblank interrupt events |
||
834 | * @dev: DRM device |
||
835 | * @crtc: which irq to enable |
||
836 | * |
||
837 | * Disable vblank interrupts for @crtc. If the device doesn't have |
||
838 | * a hardware vblank counter, this routine should be a no-op, since |
||
839 | * interrupts will have to stay on to keep the count accurate. |
||
840 | */ |
||
841 | void (*disable_vblank) (struct drm_device *dev, int crtc); |
||
842 | |||
843 | /** |
||
844 | * Called by \c drm_device_is_agp. Typically used to determine if a |
||
845 | * card is really attached to AGP or not. |
||
846 | * |
||
847 | * \param dev DRM device handle |
||
848 | * |
||
849 | * \returns |
||
850 | * One of three values is returned depending on whether or not the |
||
851 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP |
||
852 | * (return of 1), or may or may not be AGP (return of 2). |
||
853 | */ |
||
854 | int (*device_is_agp) (struct drm_device *dev); |
||
855 | |||
1964 | serge | 856 | /** |
857 | * Called by vblank timestamping code. |
||
858 | * |
||
859 | * Return the current display scanout position from a crtc. |
||
860 | * |
||
861 | * \param dev DRM device. |
||
862 | * \param crtc Id of the crtc to query. |
||
863 | * \param *vpos Target location for current vertical scanout position. |
||
864 | * \param *hpos Target location for current horizontal scanout position. |
||
865 | * |
||
866 | * Returns vpos as a positive number while in active scanout area. |
||
867 | * Returns vpos as a negative number inside vblank, counting the number |
||
868 | * of scanlines to go until end of vblank, e.g., -1 means "one scanline |
||
869 | * until start of active scanout / end of vblank." |
||
870 | * |
||
871 | * \return Flags, or'ed together as follows: |
||
872 | * |
||
873 | * DRM_SCANOUTPOS_VALID = Query successful. |
||
874 | * DRM_SCANOUTPOS_INVBL = Inside vblank. |
||
875 | * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of |
||
876 | * this flag means that returned position may be offset by a constant |
||
877 | * but unknown small number of scanlines wrt. real scanout position. |
||
878 | * |
||
879 | */ |
||
880 | int (*get_scanout_position) (struct drm_device *dev, int crtc, |
||
881 | int *vpos, int *hpos); |
||
882 | |||
883 | /** |
||
884 | * Called by \c drm_get_last_vbltimestamp. Should return a precise |
||
885 | * timestamp when the most recent VBLANK interval ended or will end. |
||
886 | * |
||
887 | * Specifically, the timestamp in @vblank_time should correspond as |
||
888 | * closely as possible to the time when the first video scanline of |
||
889 | * the video frame after the end of VBLANK will start scanning out, |
||
890 | * the time immmediately after end of the VBLANK interval. If the |
||
891 | * @crtc is currently inside VBLANK, this will be a time in the future. |
||
892 | * If the @crtc is currently scanning out a frame, this will be the |
||
893 | * past start time of the current scanout. This is meant to adhere |
||
894 | * to the OpenML OML_sync_control extension specification. |
||
895 | * |
||
896 | * \param dev dev DRM device handle. |
||
897 | * \param crtc crtc for which timestamp should be returned. |
||
898 | * \param *max_error Maximum allowable timestamp error in nanoseconds. |
||
899 | * Implementation should strive to provide timestamp |
||
900 | * with an error of at most *max_error nanoseconds. |
||
901 | * Returns true upper bound on error for timestamp. |
||
902 | * \param *vblank_time Target location for returned vblank timestamp. |
||
903 | * \param flags 0 = Defaults, no special treatment needed. |
||
904 | * \param DRM_CALLED_FROM_VBLIRQ = Function is called from vblank |
||
905 | * irq handler. Some drivers need to apply some workarounds |
||
906 | * for gpu-specific vblank irq quirks if flag is set. |
||
907 | * |
||
908 | * \returns |
||
909 | * Zero if timestamping isn't supported in current display mode or a |
||
910 | * negative number on failure. A positive status code on success, |
||
911 | * which describes how the vblank_time timestamp was computed. |
||
912 | */ |
||
913 | int (*get_vblank_timestamp) (struct drm_device *dev, int crtc, |
||
914 | int *max_error, |
||
915 | struct timeval *vblank_time, |
||
916 | unsigned flags); |
||
917 | |||
1408 | serge | 918 | /* these have to be filled in */ |
919 | |||
920 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
||
921 | void (*irq_preinstall) (struct drm_device *dev); |
||
922 | int (*irq_postinstall) (struct drm_device *dev); |
||
923 | void (*irq_uninstall) (struct drm_device *dev); |
||
924 | void (*reclaim_buffers) (struct drm_device *dev, |
||
925 | struct drm_file * file_priv); |
||
926 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
||
927 | struct drm_file *file_priv); |
||
928 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
||
929 | struct drm_file *file_priv); |
||
930 | void (*set_version) (struct drm_device *dev, |
||
931 | struct drm_set_version *sv); |
||
932 | |||
933 | /* Master routines */ |
||
934 | int (*master_create)(struct drm_device *dev, struct drm_master *master); |
||
935 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); |
||
936 | /** |
||
937 | * master_set is called whenever the minor master is set. |
||
938 | * master_drop is called whenever the minor master is dropped. |
||
939 | */ |
||
940 | |||
941 | int (*master_set)(struct drm_device *dev, struct drm_file *file_priv, |
||
942 | bool from_open); |
||
943 | void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv, |
||
944 | bool from_release); |
||
945 | |||
946 | int (*debugfs_init)(struct drm_minor *minor); |
||
947 | void (*debugfs_cleanup)(struct drm_minor *minor); |
||
948 | |||
949 | /** |
||
950 | * Driver-specific constructor for drm_gem_objects, to set up |
||
951 | * obj->driver_private. |
||
952 | * |
||
953 | * Returns 0 on success. |
||
954 | */ |
||
955 | int (*gem_init_object) (struct drm_gem_object *obj); |
||
956 | void (*gem_free_object) (struct drm_gem_object *obj); |
||
957 | |||
958 | /* vga arb irq handler */ |
||
959 | void (*vgaarb_irq)(struct drm_device *dev, bool state); |
||
960 | |||
961 | /* Driver private ops for this object */ |
||
962 | struct vm_operations_struct *gem_vm_ops; |
||
963 | |||
964 | int major; |
||
965 | int minor; |
||
966 | int patchlevel; |
||
967 | char *name; |
||
968 | char *desc; |
||
969 | char *date; |
||
970 | |||
971 | u32 driver_features; |
||
972 | int dev_priv_size; |
||
973 | struct drm_ioctl_desc *ioctls; |
||
974 | int num_ioctls; |
||
975 | struct file_operations fops; |
||
976 | struct pci_driver pci_driver; |
||
977 | /* List of devices hanging off this driver */ |
||
978 | struct list_head device_list; |
||
979 | }; |
||
980 | |||
981 | #define DRM_MINOR_UNASSIGNED 0 |
||
982 | #define DRM_MINOR_LEGACY 1 |
||
983 | #define DRM_MINOR_CONTROL 2 |
||
984 | #define DRM_MINOR_RENDER 3 |
||
985 | |||
986 | |||
987 | /** |
||
988 | * debugfs node list. This structure represents a debugfs file to |
||
989 | * be created by the drm core |
||
990 | */ |
||
991 | struct drm_debugfs_list { |
||
992 | const char *name; /** file name */ |
||
993 | int (*show)(struct seq_file*, void*); /** show callback */ |
||
994 | u32 driver_features; /**< Required driver features for this entry */ |
||
995 | }; |
||
996 | |||
997 | /** |
||
998 | * debugfs node structure. This structure represents a debugfs file. |
||
999 | */ |
||
1000 | struct drm_debugfs_node { |
||
1001 | struct list_head list; |
||
1002 | struct drm_minor *minor; |
||
1003 | struct drm_debugfs_list *debugfs_ent; |
||
1004 | struct dentry *dent; |
||
1005 | }; |
||
1006 | |||
1007 | /** |
||
1008 | * Info file list entry. This structure represents a debugfs or proc file to |
||
1009 | * be created by the drm core |
||
1010 | */ |
||
1011 | struct drm_info_list { |
||
1012 | const char *name; /** file name */ |
||
1013 | int (*show)(struct seq_file*, void*); /** show callback */ |
||
1014 | u32 driver_features; /**< Required driver features for this entry */ |
||
1015 | void *data; |
||
1016 | }; |
||
1017 | |||
1018 | /** |
||
1019 | * debugfs node structure. This structure represents a debugfs file. |
||
1020 | */ |
||
1021 | struct drm_info_node { |
||
1022 | struct list_head list; |
||
1023 | struct drm_minor *minor; |
||
1024 | struct drm_info_list *info_ent; |
||
1025 | struct dentry *dent; |
||
1026 | }; |
||
1027 | |||
1028 | /** |
||
1029 | * DRM minor structure. This structure represents a drm minor number. |
||
1030 | */ |
||
1031 | struct drm_minor { |
||
1032 | int index; /**< Minor device number */ |
||
1033 | int type; /**< Control or render */ |
||
1034 | dev_t device; /**< Device number for mknod */ |
||
1035 | struct device kdev; /**< Linux device */ |
||
1036 | struct drm_device *dev; |
||
1037 | |||
1038 | struct proc_dir_entry *proc_root; /**< proc directory entry */ |
||
1039 | struct drm_info_node proc_nodes; |
||
1040 | struct dentry *debugfs_root; |
||
1041 | struct drm_info_node debugfs_nodes; |
||
1042 | |||
1043 | struct drm_master *master; /* currently active master for this node */ |
||
1044 | struct list_head master_list; |
||
1045 | struct drm_mode_group mode_group; |
||
1046 | }; |
||
1047 | |||
1964 | serge | 1048 | #endif |
1408 | serge | 1049 | |
1964 | serge | 1050 | /* mode specified on the command line */ |
1051 | struct drm_cmdline_mode { |
||
1052 | bool specified; |
||
1053 | bool refresh_specified; |
||
1054 | bool bpp_specified; |
||
1055 | int xres, yres; |
||
1056 | int bpp; |
||
1057 | int refresh; |
||
1058 | bool rb; |
||
1059 | bool interlace; |
||
1060 | bool cvt; |
||
1061 | bool margins; |
||
1062 | enum drm_connector_force force; |
||
1063 | }; |
||
1408 | serge | 1064 | |
1065 | |||
1066 | |||
1067 | /** |
||
1068 | * DRM device structure. This structure represent a complete card that |
||
1069 | * may contain multiple heads. |
||
1070 | */ |
||
1071 | struct drm_device { |
||
1072 | struct list_head driver_item; /**< list of devices per driver */ |
||
1073 | char *devname; /**< For /proc/interrupts */ |
||
1074 | int if_version; /**< Highest interface version set */ |
||
1075 | |||
1076 | /** \name Locks */ |
||
1077 | /*@{ */ |
||
1078 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ |
||
1630 | serge | 1079 | struct mutex struct_mutex; /**< For others */ |
1408 | serge | 1080 | /*@} */ |
1081 | |||
1082 | /** \name Usage Counters */ |
||
1083 | /*@{ */ |
||
1084 | int open_count; /**< Outstanding files open */ |
||
1085 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ |
||
1086 | atomic_t vma_count; /**< Outstanding vma areas open */ |
||
1087 | int buf_use; /**< Buffers in use -- cannot alloc */ |
||
1088 | atomic_t buf_alloc; /**< Buffer allocation in progress */ |
||
1089 | /*@} */ |
||
1090 | |||
1091 | /** \name Performance counters */ |
||
1092 | /*@{ */ |
||
1093 | unsigned long counters; |
||
1094 | // enum drm_stat_type types[15]; |
||
1095 | atomic_t counts[15]; |
||
1096 | /*@} */ |
||
1097 | |||
1098 | struct list_head filelist; |
||
1099 | |||
1100 | /** \name Memory management */ |
||
1101 | /*@{ */ |
||
1102 | struct list_head maplist; /**< Linked list of regions */ |
||
1103 | int map_count; /**< Number of mappable regions */ |
||
1104 | // struct drm_open_hash map_hash; /**< User token hash table for maps */ |
||
1105 | |||
1106 | /** \name Context handle management */ |
||
1107 | /*@{ */ |
||
1108 | struct list_head ctxlist; /**< Linked list of context handles */ |
||
1109 | int ctx_count; /**< Number of context handles */ |
||
1630 | serge | 1110 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
1408 | serge | 1111 | |
1964 | serge | 1112 | struct idr ctx_idr; |
1408 | serge | 1113 | |
1114 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
||
1115 | |||
1116 | /*@} */ |
||
1117 | |||
1118 | /** \name DMA queues (contexts) */ |
||
1119 | /*@{ */ |
||
1120 | int queue_count; /**< Number of active DMA queues */ |
||
1121 | int queue_reserved; /**< Number of reserved DMA queues */ |
||
1122 | int queue_slots; /**< Actual length of queuelist */ |
||
1123 | // struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
||
1124 | // struct drm_device_dma *dma; /**< Optional pointer for DMA support */ |
||
1125 | /*@} */ |
||
1126 | |||
1127 | /** \name Context support */ |
||
1128 | /*@{ */ |
||
1129 | int irq_enabled; /**< True if irq handler is enabled */ |
||
1130 | __volatile__ long context_flag; /**< Context swapping flag */ |
||
1131 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ |
||
1132 | __volatile__ long dma_flag; /**< DMA dispatch flag */ |
||
1133 | // wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
||
1134 | int last_checked; /**< Last context checked for DMA */ |
||
1135 | int last_context; /**< Last current context */ |
||
1136 | unsigned long last_switch; /**< jiffies at last context switch */ |
||
1137 | /*@} */ |
||
1138 | |||
1139 | // struct work_struct work; |
||
1140 | /** \name VBLANK IRQ support */ |
||
1141 | /*@{ */ |
||
1142 | |||
1143 | /* |
||
1144 | * At load time, disabling the vblank interrupt won't be allowed since |
||
1145 | * old clients may not call the modeset ioctl and therefore misbehave. |
||
1146 | * Once the modeset ioctl *has* been called though, we can safely |
||
1147 | * disable them when unused. |
||
1148 | */ |
||
1149 | int vblank_disable_allowed; |
||
1150 | |||
1151 | // wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ |
||
1152 | atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ |
||
1964 | serge | 1153 | struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */ |
1154 | spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ |
||
1408 | serge | 1155 | spinlock_t vbl_lock; |
1156 | atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ |
||
1157 | u32 *last_vblank; /* protected by dev->vbl_lock, used */ |
||
1158 | /* for wraparound handling */ |
||
1159 | int *vblank_enabled; /* so we don't call enable more than |
||
1160 | once per disable */ |
||
1161 | int *vblank_inmodeset; /* Display driver is setting mode */ |
||
1162 | u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ |
||
1163 | // struct timer_list vblank_disable_timer; |
||
1164 | |||
1165 | u32 max_vblank_count; /**< size of vblank counter register */ |
||
1166 | |||
1964 | serge | 1167 | /** |
1168 | * List of events |
||
1169 | */ |
||
1170 | struct list_head vblank_event_list; |
||
1171 | spinlock_t event_lock; |
||
1172 | |||
1408 | serge | 1173 | /*@} */ |
1174 | // cycles_t ctx_start; |
||
1175 | // cycles_t lck_start; |
||
1176 | |||
1177 | // struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
||
1178 | // wait_queue_head_t buf_readers; /**< Processes waiting to read */ |
||
1179 | // wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ |
||
1180 | |||
1181 | // struct drm_agp_head *agp; /**< AGP data */ |
||
1182 | |||
1964 | serge | 1183 | struct device *dev; /**< Device structure */ |
1408 | serge | 1184 | struct pci_dev *pdev; /**< PCI device structure */ |
1185 | int pci_vendor; /**< PCI vendor id */ |
||
1186 | int pci_device; /**< PCI device id */ |
||
1964 | serge | 1187 | unsigned int num_crtcs; /**< Number of CRTCs on this device */ |
1408 | serge | 1188 | void *dev_private; /**< device private data */ |
1189 | void *mm_private; |
||
1190 | struct address_space *dev_mapping; |
||
1191 | // struct drm_sigdata sigdata; /**< For block_all_signals */ |
||
1192 | // sigset_t sigmask; |
||
1193 | |||
1194 | // struct drm_driver *driver; |
||
1195 | // struct drm_local_map *agp_buffer_map; |
||
1196 | // unsigned int agp_buffer_token; |
||
1197 | // struct drm_minor *control; /**< Control node for card */ |
||
1198 | // struct drm_minor *primary; /**< render type primary screen head */ |
||
1199 | |||
1200 | struct drm_mode_config mode_config; /**< Current mode config */ |
||
1201 | |||
1202 | /** \name GEM information */ |
||
1203 | /*@{ */ |
||
1204 | spinlock_t object_name_lock; |
||
1964 | serge | 1205 | struct idr object_name_idr; |
1408 | serge | 1206 | /*@} */ |
1964 | serge | 1207 | int switch_power_state; |
1408 | serge | 1208 | }; |
1209 | |||
1964 | serge | 1210 | #define DRM_SWITCH_POWER_ON 0 |
1211 | #define DRM_SWITCH_POWER_OFF 1 |
||
1212 | #define DRM_SWITCH_POWER_CHANGING 2 |
||
1213 | |||
1214 | |||
1215 | |||
1216 | |||
1217 | |||
1218 | |||
1219 | |||
1220 | |||
1221 | |||
1222 | |||
1408 | serge | 1223 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
1224 | { |
||
1225 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); |
||
1226 | } |
||
1227 | |||
1228 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
||
1229 | { |
||
1230 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); |
||
1231 | } |
||
1232 | |||
1233 | |||
1234 | |||
1235 | #if 0 |
||
1236 | static inline int drm_dev_to_irq(struct drm_device *dev) |
||
1237 | { |
||
1238 | return dev->pdev->irq; |
||
1239 | } |
||
1240 | |||
1241 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
||
1242 | int feature) |
||
1243 | { |
||
1244 | return ((dev->driver->driver_features & feature) ? 1 : 0); |
||
1245 | } |
||
1246 | |||
1247 | #ifdef __alpha__ |
||
1248 | #define drm_get_pci_domain(dev) dev->hose->index |
||
1249 | #else |
||
1250 | #define drm_get_pci_domain(dev) 0 |
||
1251 | #endif |
||
1252 | |||
1253 | #if __OS_HAS_AGP |
||
1254 | static inline int drm_core_has_AGP(struct drm_device *dev) |
||
1255 | { |
||
1256 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
||
1257 | } |
||
1258 | #else |
||
1259 | #define drm_core_has_AGP(dev) (0) |
||
1260 | #endif |
||
1261 | |||
1262 | #if __OS_HAS_MTRR |
||
1263 | static inline int drm_core_has_MTRR(struct drm_device *dev) |
||
1264 | { |
||
1265 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
||
1266 | } |
||
1267 | |||
1268 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB |
||
1269 | |||
1270 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, |
||
1271 | unsigned int flags) |
||
1272 | { |
||
1273 | return mtrr_add(offset, size, flags, 1); |
||
1274 | } |
||
1275 | |||
1276 | static inline int drm_mtrr_del(int handle, unsigned long offset, |
||
1277 | unsigned long size, unsigned int flags) |
||
1278 | { |
||
1279 | return mtrr_del(handle, offset, size); |
||
1280 | } |
||
1281 | |||
1282 | #else |
||
1283 | #define drm_core_has_MTRR(dev) (0) |
||
1284 | |||
1285 | #define DRM_MTRR_WC 0 |
||
1286 | |||
1287 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, |
||
1288 | unsigned int flags) |
||
1289 | { |
||
1290 | return 0; |
||
1291 | } |
||
1292 | |||
1293 | static inline int drm_mtrr_del(int handle, unsigned long offset, |
||
1294 | unsigned long size, unsigned int flags) |
||
1295 | { |
||
1296 | return 0; |
||
1297 | } |
||
1298 | #endif |
||
1299 | |||
1300 | /******************************************************************/ |
||
1301 | /** \name Internal function definitions */ |
||
1302 | /*@{*/ |
||
1303 | |||
1304 | /* Driver support (drm_drv.h) */ |
||
1305 | extern long drm_ioctl(struct file *filp, |
||
1306 | unsigned int cmd, unsigned long arg); |
||
1307 | extern long drm_compat_ioctl(struct file *filp, |
||
1308 | unsigned int cmd, unsigned long arg); |
||
1309 | extern int drm_lastclose(struct drm_device *dev); |
||
1310 | |||
1311 | /* Device support (drm_fops.h) */ |
||
1964 | serge | 1312 | extern struct mutex drm_global_mutex; |
1408 | serge | 1313 | extern int drm_open(struct inode *inode, struct file *filp); |
1314 | extern int drm_stub_open(struct inode *inode, struct file *filp); |
||
1315 | extern int drm_fasync(int fd, struct file *filp, int on); |
||
1316 | extern ssize_t drm_read(struct file *filp, char __user *buffer, |
||
1317 | size_t count, loff_t *offset); |
||
1318 | extern int drm_release(struct inode *inode, struct file *filp); |
||
1319 | |||
1320 | /* Mapping support (drm_vm.h) */ |
||
1321 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
||
1322 | extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma); |
||
1323 | extern void drm_vm_open_locked(struct vm_area_struct *vma); |
||
1964 | serge | 1324 | extern void drm_vm_close_locked(struct vm_area_struct *vma); |
1408 | serge | 1325 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); |
1326 | |||
1327 | /* Memory management support (drm_memory.h) */ |
||
1328 | #include "drm_memory.h" |
||
1329 | extern void drm_mem_init(void); |
||
1330 | extern int drm_mem_info(char *buf, char **start, off_t offset, |
||
1331 | int request, int *eof, void *data); |
||
1332 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); |
||
1333 | |||
1964 | serge | 1334 | extern void drm_free_agp(DRM_AGP_MEM * handle, int pages); |
1408 | serge | 1335 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); |
1336 | extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, |
||
1337 | struct page **pages, |
||
1338 | unsigned long num_pages, |
||
1339 | uint32_t gtt_offset, |
||
1340 | uint32_t type); |
||
1341 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); |
||
1342 | |||
1343 | /* Misc. IOCTL support (drm_ioctl.h) */ |
||
1344 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
||
1345 | struct drm_file *file_priv); |
||
1346 | extern int drm_getunique(struct drm_device *dev, void *data, |
||
1347 | struct drm_file *file_priv); |
||
1348 | extern int drm_setunique(struct drm_device *dev, void *data, |
||
1349 | struct drm_file *file_priv); |
||
1350 | extern int drm_getmap(struct drm_device *dev, void *data, |
||
1351 | struct drm_file *file_priv); |
||
1352 | extern int drm_getclient(struct drm_device *dev, void *data, |
||
1353 | struct drm_file *file_priv); |
||
1354 | extern int drm_getstats(struct drm_device *dev, void *data, |
||
1355 | struct drm_file *file_priv); |
||
1964 | serge | 1356 | extern int drm_getcap(struct drm_device *dev, void *data, |
1357 | struct drm_file *file_priv); |
||
1408 | serge | 1358 | extern int drm_setversion(struct drm_device *dev, void *data, |
1359 | struct drm_file *file_priv); |
||
1360 | extern int drm_noop(struct drm_device *dev, void *data, |
||
1361 | struct drm_file *file_priv); |
||
1362 | |||
1363 | /* Context IOCTL support (drm_context.h) */ |
||
1364 | extern int drm_resctx(struct drm_device *dev, void *data, |
||
1365 | struct drm_file *file_priv); |
||
1366 | extern int drm_addctx(struct drm_device *dev, void *data, |
||
1367 | struct drm_file *file_priv); |
||
1368 | extern int drm_modctx(struct drm_device *dev, void *data, |
||
1369 | struct drm_file *file_priv); |
||
1370 | extern int drm_getctx(struct drm_device *dev, void *data, |
||
1371 | struct drm_file *file_priv); |
||
1372 | extern int drm_switchctx(struct drm_device *dev, void *data, |
||
1373 | struct drm_file *file_priv); |
||
1374 | extern int drm_newctx(struct drm_device *dev, void *data, |
||
1375 | struct drm_file *file_priv); |
||
1376 | extern int drm_rmctx(struct drm_device *dev, void *data, |
||
1377 | struct drm_file *file_priv); |
||
1378 | |||
1379 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
||
1380 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); |
||
1381 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); |
||
1382 | |||
1383 | extern int drm_setsareactx(struct drm_device *dev, void *data, |
||
1384 | struct drm_file *file_priv); |
||
1385 | extern int drm_getsareactx(struct drm_device *dev, void *data, |
||
1386 | struct drm_file *file_priv); |
||
1387 | |||
1388 | /* Authentication IOCTL support (drm_auth.h) */ |
||
1389 | extern int drm_getmagic(struct drm_device *dev, void *data, |
||
1390 | struct drm_file *file_priv); |
||
1391 | extern int drm_authmagic(struct drm_device *dev, void *data, |
||
1392 | struct drm_file *file_priv); |
||
1393 | |||
1394 | /* Cache management (drm_cache.c) */ |
||
1395 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); |
||
1396 | |||
1397 | /* Locking IOCTL support (drm_lock.h) */ |
||
1398 | extern int drm_lock(struct drm_device *dev, void *data, |
||
1399 | struct drm_file *file_priv); |
||
1400 | extern int drm_unlock(struct drm_device *dev, void *data, |
||
1401 | struct drm_file *file_priv); |
||
1402 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); |
||
1403 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); |
||
1404 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); |
||
1405 | |||
1406 | /* |
||
1407 | * These are exported to drivers so that they can implement fencing using |
||
1408 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. |
||
1409 | */ |
||
1410 | |||
1411 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
||
1412 | |||
1413 | /* Buffer management support (drm_bufs.h) */ |
||
1414 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
||
1415 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); |
||
1416 | extern int drm_addmap(struct drm_device *dev, resource_size_t offset, |
||
1417 | unsigned int size, enum drm_map_type type, |
||
1418 | enum drm_map_flags flags, struct drm_local_map **map_ptr); |
||
1419 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, |
||
1420 | struct drm_file *file_priv); |
||
1421 | extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map); |
||
1422 | extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map); |
||
1423 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, |
||
1424 | struct drm_file *file_priv); |
||
1425 | extern int drm_addbufs(struct drm_device *dev, void *data, |
||
1426 | struct drm_file *file_priv); |
||
1427 | extern int drm_infobufs(struct drm_device *dev, void *data, |
||
1428 | struct drm_file *file_priv); |
||
1429 | extern int drm_markbufs(struct drm_device *dev, void *data, |
||
1430 | struct drm_file *file_priv); |
||
1431 | extern int drm_freebufs(struct drm_device *dev, void *data, |
||
1432 | struct drm_file *file_priv); |
||
1433 | extern int drm_mapbufs(struct drm_device *dev, void *data, |
||
1434 | struct drm_file *file_priv); |
||
1435 | extern int drm_order(unsigned long size); |
||
1436 | |||
1437 | /* DMA support (drm_dma.h) */ |
||
1438 | extern int drm_dma_setup(struct drm_device *dev); |
||
1439 | extern void drm_dma_takedown(struct drm_device *dev); |
||
1440 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
||
1441 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
||
1442 | struct drm_file *filp); |
||
1443 | |||
1444 | /* IRQ support (drm_irq.h) */ |
||
1445 | extern int drm_control(struct drm_device *dev, void *data, |
||
1446 | struct drm_file *file_priv); |
||
1447 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
||
1448 | extern int drm_irq_install(struct drm_device *dev); |
||
1449 | extern int drm_irq_uninstall(struct drm_device *dev); |
||
1450 | extern void drm_driver_irq_preinstall(struct drm_device *dev); |
||
1451 | extern void drm_driver_irq_postinstall(struct drm_device *dev); |
||
1452 | extern void drm_driver_irq_uninstall(struct drm_device *dev); |
||
1453 | |||
1454 | extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); |
||
1455 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
||
1456 | struct drm_file *filp); |
||
1457 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
||
1458 | extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
||
1964 | serge | 1459 | extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, |
1460 | struct timeval *vblanktime); |
||
1461 | extern bool drm_handle_vblank(struct drm_device *dev, int crtc); |
||
1408 | serge | 1462 | extern int drm_vblank_get(struct drm_device *dev, int crtc); |
1463 | extern void drm_vblank_put(struct drm_device *dev, int crtc); |
||
1464 | extern void drm_vblank_off(struct drm_device *dev, int crtc); |
||
1465 | extern void drm_vblank_cleanup(struct drm_device *dev); |
||
1964 | serge | 1466 | extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc, |
1467 | struct timeval *tvblank, unsigned flags); |
||
1468 | extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, |
||
1469 | int crtc, int *max_error, |
||
1470 | struct timeval *vblank_time, |
||
1471 | unsigned flags, |
||
1472 | struct drm_crtc *refcrtc); |
||
1473 | extern void drm_calc_timestamping_constants(struct drm_crtc *crtc); |
||
1474 | |||
1475 | extern bool |
||
1476 | drm_mode_parse_command_line_for_connector(const char *mode_option, |
||
1477 | struct drm_connector *connector, |
||
1478 | struct drm_cmdline_mode *mode); |
||
1479 | |||
1480 | extern struct drm_display_mode * |
||
1481 | drm_mode_create_from_cmdline_mode(struct drm_device *dev, |
||
1482 | struct drm_cmdline_mode *cmd); |
||
1483 | |||
1408 | serge | 1484 | /* Modesetting support */ |
1485 | extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); |
||
1486 | extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); |
||
1487 | extern int drm_modeset_ctl(struct drm_device *dev, void *data, |
||
1488 | struct drm_file *file_priv); |
||
1489 | |||
1490 | /* AGP/GART support (drm_agpsupport.h) */ |
||
1491 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
||
1492 | extern int drm_agp_acquire(struct drm_device *dev); |
||
1493 | extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, |
||
1494 | struct drm_file *file_priv); |
||
1495 | extern int drm_agp_release(struct drm_device *dev); |
||
1496 | extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, |
||
1497 | struct drm_file *file_priv); |
||
1498 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
||
1499 | extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, |
||
1500 | struct drm_file *file_priv); |
||
1501 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); |
||
1502 | extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, |
||
1503 | struct drm_file *file_priv); |
||
1504 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
||
1505 | extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, |
||
1506 | struct drm_file *file_priv); |
||
1507 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
||
1508 | extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, |
||
1509 | struct drm_file *file_priv); |
||
1510 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
||
1511 | extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, |
||
1512 | struct drm_file *file_priv); |
||
1513 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
||
1514 | extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, |
||
1515 | struct drm_file *file_priv); |
||
1516 | |||
1517 | /* Stub support (drm_stub.h) */ |
||
1518 | extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
||
1519 | struct drm_file *file_priv); |
||
1520 | extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, |
||
1521 | struct drm_file *file_priv); |
||
1522 | struct drm_master *drm_master_create(struct drm_minor *minor); |
||
1523 | extern struct drm_master *drm_master_get(struct drm_master *master); |
||
1524 | extern void drm_master_put(struct drm_master **master); |
||
1964 | serge | 1525 | |
1408 | serge | 1526 | extern void drm_put_dev(struct drm_device *dev); |
1527 | extern int drm_put_minor(struct drm_minor **minor); |
||
1528 | extern unsigned int drm_debug; |
||
1529 | |||
1964 | serge | 1530 | extern unsigned int drm_vblank_offdelay; |
1531 | extern unsigned int drm_timestamp_precision; |
||
1532 | |||
1408 | serge | 1533 | extern struct class *drm_class; |
1534 | extern struct proc_dir_entry *drm_proc_root; |
||
1535 | extern struct dentry *drm_debugfs_root; |
||
1536 | |||
1537 | extern struct idr drm_minors_idr; |
||
1538 | |||
1539 | extern struct drm_local_map *drm_getsarea(struct drm_device *dev); |
||
1540 | |||
1541 | /* Proc support (drm_proc.h) */ |
||
1542 | extern int drm_proc_init(struct drm_minor *minor, int minor_id, |
||
1543 | struct proc_dir_entry *root); |
||
1544 | extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); |
||
1545 | |||
1546 | /* Debugfs support */ |
||
1547 | #if defined(CONFIG_DEBUG_FS) |
||
1548 | extern int drm_debugfs_init(struct drm_minor *minor, int minor_id, |
||
1549 | struct dentry *root); |
||
1550 | extern int drm_debugfs_create_files(struct drm_info_list *files, int count, |
||
1551 | struct dentry *root, struct drm_minor *minor); |
||
1552 | extern int drm_debugfs_remove_files(struct drm_info_list *files, int count, |
||
1553 | struct drm_minor *minor); |
||
1554 | extern int drm_debugfs_cleanup(struct drm_minor *minor); |
||
1555 | #endif |
||
1556 | |||
1557 | /* Info file support */ |
||
1558 | extern int drm_name_info(struct seq_file *m, void *data); |
||
1559 | extern int drm_vm_info(struct seq_file *m, void *data); |
||
1560 | extern int drm_queues_info(struct seq_file *m, void *data); |
||
1561 | extern int drm_bufs_info(struct seq_file *m, void *data); |
||
1562 | extern int drm_vblank_info(struct seq_file *m, void *data); |
||
1563 | extern int drm_clients_info(struct seq_file *m, void* data); |
||
1564 | extern int drm_gem_name_info(struct seq_file *m, void *data); |
||
1565 | |||
1566 | #if DRM_DEBUG_CODE |
||
1567 | extern int drm_vma_info(struct seq_file *m, void *data); |
||
1568 | #endif |
||
1569 | |||
1570 | /* Scatter Gather Support (drm_scatter.h) */ |
||
1571 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); |
||
1572 | extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, |
||
1573 | struct drm_file *file_priv); |
||
1574 | extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); |
||
1575 | extern int drm_sg_free(struct drm_device *dev, void *data, |
||
1576 | struct drm_file *file_priv); |
||
1577 | |||
1578 | /* ATI PCIGART support (ati_pcigart.h) */ |
||
1579 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
||
1580 | struct drm_ati_pcigart_info * gart_info); |
||
1581 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
||
1582 | struct drm_ati_pcigart_info * gart_info); |
||
1583 | |||
1584 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
||
1428 | serge | 1585 | size_t align); |
1408 | serge | 1586 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
1587 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
||
1588 | |||
1589 | /* sysfs support (drm_sysfs.c) */ |
||
1590 | struct drm_sysfs_class; |
||
1591 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
||
1592 | extern void drm_sysfs_destroy(void); |
||
1593 | extern int drm_sysfs_device_add(struct drm_minor *minor); |
||
1594 | extern void drm_sysfs_hotplug_event(struct drm_device *dev); |
||
1595 | extern void drm_sysfs_device_remove(struct drm_minor *minor); |
||
1596 | extern char *drm_get_connector_status_name(enum drm_connector_status status); |
||
1597 | |||
1598 | static inline int drm_sysfs_connector_add(struct drm_connector *connector) |
||
1599 | { return 0; }; |
||
1600 | |||
1601 | static inline void drm_sysfs_connector_remove(struct drm_connector *connector) |
||
1602 | { }; |
||
1603 | |||
1604 | /* Graphics Execution Manager library functions (drm_gem.c) */ |
||
1605 | int drm_gem_init(struct drm_device *dev); |
||
1606 | void drm_gem_destroy(struct drm_device *dev); |
||
1964 | serge | 1607 | void drm_gem_object_release(struct drm_gem_object *obj); |
1408 | serge | 1608 | void drm_gem_object_free(struct kref *kref); |
1609 | struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, |
||
1610 | size_t size); |
||
1964 | serge | 1611 | int drm_gem_object_init(struct drm_device *dev, |
1612 | struct drm_gem_object *obj, size_t size); |
||
1613 | void drm_gem_object_handle_free(struct drm_gem_object *obj); |
||
1408 | serge | 1614 | void drm_gem_vm_open(struct vm_area_struct *vma); |
1615 | void drm_gem_vm_close(struct vm_area_struct *vma); |
||
1616 | int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
||
1617 | |||
1618 | static inline void |
||
1619 | drm_gem_object_reference(struct drm_gem_object *obj) |
||
1620 | { |
||
1621 | kref_get(&obj->refcount); |
||
1622 | } |
||
1623 | |||
1624 | static inline void |
||
1625 | drm_gem_object_unreference(struct drm_gem_object *obj) |
||
1626 | { |
||
1627 | if (obj == NULL) |
||
1628 | return; |
||
1629 | |||
1630 | kref_put(&obj->refcount, drm_gem_object_free); |
||
1631 | } |
||
1632 | |||
1633 | int drm_gem_handle_create(struct drm_file *file_priv, |
||
1634 | struct drm_gem_object *obj, |
||
1635 | u32 *handlep); |
||
1636 | |||
1637 | static inline void |
||
1638 | drm_gem_object_handle_reference(struct drm_gem_object *obj) |
||
1639 | { |
||
1640 | drm_gem_object_reference(obj); |
||
1641 | kref_get(&obj->handlecount); |
||
1642 | } |
||
1643 | |||
1644 | static inline void |
||
1645 | drm_gem_object_handle_unreference(struct drm_gem_object *obj) |
||
1646 | { |
||
1647 | if (obj == NULL) |
||
1648 | return; |
||
1649 | |||
1650 | /* |
||
1651 | * Must bump handle count first as this may be the last |
||
1652 | * ref, in which case the object would disappear before we |
||
1653 | * checked for a name |
||
1654 | */ |
||
1655 | kref_put(&obj->handlecount, drm_gem_object_handle_free); |
||
1656 | drm_gem_object_unreference(obj); |
||
1657 | } |
||
1658 | |||
1659 | struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, |
||
1660 | struct drm_file *filp, |
||
1661 | u32 handle); |
||
1662 | int drm_gem_close_ioctl(struct drm_device *dev, void *data, |
||
1663 | struct drm_file *file_priv); |
||
1664 | int drm_gem_flink_ioctl(struct drm_device *dev, void *data, |
||
1665 | struct drm_file *file_priv); |
||
1666 | int drm_gem_open_ioctl(struct drm_device *dev, void *data, |
||
1667 | struct drm_file *file_priv); |
||
1668 | void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); |
||
1669 | void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); |
||
1670 | |||
1671 | extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); |
||
1672 | extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); |
||
1673 | extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); |
||
1674 | |||
1675 | static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, |
||
1676 | unsigned int token) |
||
1677 | { |
||
1678 | struct drm_map_list *_entry; |
||
1679 | list_for_each_entry(_entry, &dev->maplist, head) |
||
1680 | if (_entry->user_token == token) |
||
1681 | return _entry->map; |
||
1682 | return NULL; |
||
1683 | } |
||
1684 | |||
1685 | |||
1686 | static __inline__ void drm_core_dropmap(struct drm_local_map *map) |
||
1687 | { |
||
1688 | } |
||
1689 | |||
1690 | |||
1691 | static __inline__ void *drm_calloc_large(size_t nmemb, size_t size) |
||
1692 | { |
||
1693 | if (size * nmemb <= PAGE_SIZE) |
||
1694 | return kcalloc(nmemb, size, GFP_KERNEL); |
||
1695 | |||
1696 | if (size != 0 && nmemb > ULONG_MAX / size) |
||
1697 | return NULL; |
||
1698 | |||
1699 | return __vmalloc(size * nmemb, |
||
1700 | GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL); |
||
1701 | } |
||
1702 | |||
1703 | static __inline void drm_free_large(void *ptr) |
||
1704 | { |
||
1705 | if (!is_vmalloc_addr(ptr)) |
||
1706 | return kfree(ptr); |
||
1707 | |||
1708 | vfree(ptr); |
||
1709 | } |
||
1710 | /*@}*/ |
||
1711 | |||
1712 | #endif |
||
1713 | |||
1714 | |||
1715 | |||
1716 | #endif /* __KERNEL__ */ |
||
1717 | #endif=>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><>><>><>><>><>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><>>>>>>>><>><>><> |