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Rev | Author | Line No. | Line |
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3031 | serge | 1 | #include |
2 | #include |
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3 | #include |
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2338 | Serge | 4 | #include "i915_drv.h" |
3031 | serge | 5 | //#include "intel_drv.h" |
2338 | Serge | 6 | |
2325 | Serge | 7 | #include |
8 | #include |
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9 | #include |
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10 | #include |
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11 | #include |
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12 | #include |
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13 | |||
2342 | Serge | 14 | #include "bitmap.h" |
2340 | Serge | 15 | |
3255 | Serge | 16 | struct pci_device { |
17 | uint16_t domain; |
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18 | uint8_t bus; |
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19 | uint8_t dev; |
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20 | uint8_t func; |
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21 | uint16_t vendor_id; |
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22 | uint16_t device_id; |
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23 | uint16_t subvendor_id; |
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24 | uint16_t subdevice_id; |
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25 | uint32_t device_class; |
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26 | uint8_t revision; |
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27 | }; |
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28 | |||
4104 | Serge | 29 | struct drm_device *main_device; |
30 | struct drm_file *drm_file_handlers[256]; |
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4280 | Serge | 31 | videomode_t usermode; |
3033 | serge | 32 | |
2344 | Serge | 33 | void cpu_detect(); |
34 | |||
2338 | Serge | 35 | int _stdcall display_handler(ioctl_t *io); |
2325 | Serge | 36 | int init_agp(void); |
37 | |||
3120 | serge | 38 | int srv_blit_bitmap(u32 hbitmap, int dst_x, int dst_y, |
2351 | Serge | 39 | int src_x, int src_y, u32 w, u32 h); |
2340 | Serge | 40 | |
2351 | Serge | 41 | int blit_textured(u32 hbitmap, int dst_x, int dst_y, |
42 | int src_x, int src_y, u32 w, u32 h); |
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43 | |||
2361 | Serge | 44 | int blit_tex(u32 hbitmap, int dst_x, int dst_y, |
45 | int src_x, int src_y, u32 w, u32 h); |
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46 | |||
3255 | Serge | 47 | void get_pci_info(struct pci_device *dev); |
4246 | Serge | 48 | int i915_getparam(struct drm_device *dev, void *data, |
49 | struct drm_file *file_priv); |
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3255 | Serge | 50 | |
3277 | Serge | 51 | int i915_mask_update(struct drm_device *dev, void *data, |
52 | struct drm_file *file); |
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3255 | Serge | 53 | |
4280 | Serge | 54 | struct cmdtable cmdtable[]= { |
55 | CMDENTRY("-pm=", i915_powersave), |
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56 | CMDENTRY("-rc6=", i915_enable_rc6), |
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57 | CMDENTRY("-fbc=", i915_enable_fbc), |
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58 | CMDENTRY("-ppgt=", i915_enable_ppgtt), |
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59 | CMDENTRY("-pc8=", i915_enable_pc8), |
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60 | {NULL, 0} |
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61 | }; |
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3277 | Serge | 62 | |
4280 | Serge | 63 | |
2325 | Serge | 64 | static char log[256]; |
65 | |||
3482 | Serge | 66 | struct workqueue_struct *system_wq; |
3764 | Serge | 67 | int driver_wq_state; |
3482 | Serge | 68 | |
2344 | Serge | 69 | int x86_clflush_size; |
3482 | Serge | 70 | unsigned int tsc_khz; |
2344 | Serge | 71 | |
2338 | Serge | 72 | int i915_modeset = 1; |
73 | |||
4126 | Serge | 74 | typedef union __attribute__((packed)) |
75 | { |
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76 | uint32_t val; |
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77 | struct |
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78 | { |
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79 | uint8_t state; |
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80 | uint8_t code; |
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81 | uint16_t ctrl_key; |
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82 | }; |
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83 | }oskey_t; |
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84 | |||
85 | static inline oskey_t get_key(void) |
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86 | { |
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87 | oskey_t val; |
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88 | asm volatile("int $0x40":"=a"(val):"a"(2)); |
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89 | return val; |
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90 | }; |
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91 | |||
92 | void i915_dpms(struct drm_device *dev, int mode); |
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93 | |||
94 | void i915_driver_thread() |
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95 | { |
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96 | struct drm_i915_private *dev_priv = main_device->dev_private; |
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97 | struct workqueue_struct *cwq = dev_priv->wq; |
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98 | static int dpms = 1; |
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99 | static int dpms_lock = 0; |
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100 | oskey_t key; |
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101 | unsigned long irqflags; |
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102 | int tmp; |
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103 | |||
104 | printf("%s\n",__FUNCTION__); |
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105 | |||
106 | asm volatile("int $0x40":"=a"(tmp):"a"(66),"b"(1),"c"(1)); |
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107 | asm volatile("int $0x40":"=a"(tmp):"a"(66),"b"(4),"c"(0x46),"d"(0x330)); |
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108 | asm volatile("int $0x40":"=a"(tmp):"a"(66),"b"(4),"c"(0xC6),"d"(0x330)); |
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109 | |||
110 | while(driver_wq_state != 0) |
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111 | { |
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112 | key = get_key(); |
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113 | |||
114 | if( (key.val != 1) && (key.state == 0x02)) |
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115 | { |
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116 | if(key.code == 0x46 && dpms_lock == 0) |
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117 | { |
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118 | dpms_lock = 1; |
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119 | if(dpms == 1) |
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120 | { |
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121 | i915_dpms(main_device, DRM_MODE_DPMS_OFF); |
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122 | printf("dpms off\n"); |
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123 | } |
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124 | else |
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125 | { |
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126 | i915_dpms(main_device, DRM_MODE_DPMS_ON); |
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127 | printf("dpms on\n"); |
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128 | }; |
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129 | dpms ^= 1; |
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130 | } |
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131 | else if(key.code == 0xC6) |
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132 | dpms_lock = 0; |
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133 | }; |
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134 | |||
135 | spin_lock_irqsave(&cwq->lock, irqflags); |
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136 | |||
137 | while (!list_empty(&cwq->worklist)) |
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138 | { |
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139 | struct work_struct *work = list_entry(cwq->worklist.next, |
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140 | struct work_struct, entry); |
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141 | work_func_t f = work->func; |
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142 | list_del_init(cwq->worklist.next); |
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143 | |||
144 | spin_unlock_irqrestore(&cwq->lock, irqflags); |
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145 | f(work); |
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146 | spin_lock_irqsave(&cwq->lock, irqflags); |
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147 | } |
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148 | |||
149 | spin_unlock_irqrestore(&cwq->lock, irqflags); |
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150 | |||
151 | delay(1); |
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152 | }; |
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153 | |||
154 | asm volatile ("int $0x40"::"a"(-1)); |
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155 | } |
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156 | |||
3480 | Serge | 157 | u32_t __attribute__((externally_visible)) drvEntry(int action, char *cmdline) |
2325 | Serge | 158 | { |
4104 | Serge | 159 | int err = 0; |
2325 | Serge | 160 | |
161 | if(action != 1) |
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3764 | Serge | 162 | { |
163 | driver_wq_state = 0; |
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2325 | Serge | 164 | return 0; |
3764 | Serge | 165 | }; |
2325 | Serge | 166 | |
167 | if( GetService("DISPLAY") != 0 ) |
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168 | return 0; |
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169 | |||
4560 | Serge | 170 | printf("\ni915 v3.14-rc1 build %s %s\nusage: i915 [options]\n" |
171 | "-pm=<0,1> Enable powersavings, fbc, downclocking, etc. (default: 1 - true)\n", |
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4398 | Serge | 172 | __DATE__, __TIME__); |
4280 | Serge | 173 | printf("-rc6=<-1,0-7> Enable power-saving render C-state 6.\n" |
174 | " Different stages can be selected via bitmask values\n" |
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175 | " (0 = disable; 1 = enable rc6; 2 = enable deep rc6; 4 = enable deepest rc6).\n" |
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176 | " For example, 3 would enable rc6 and deep rc6, and 7 would enable everything.\n" |
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177 | " default: -1 (use per-chip default)\n"); |
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178 | printf("-fbc=<-1,0,1> Enable frame buffer compression for power savings\n" |
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4560 | Serge | 179 | " (default: -1 (use per-chip default))\n"); |
180 | printf("-ppgt=<0,1> Enable PPGTT (default: true)\n"); |
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4280 | Serge | 181 | printf("-pc8=<0,1> Enable support for low power package C states (PC8+) (default: 0 - false)\n"); |
182 | printf("-l |
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183 | printf("-m |
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184 | |||
2340 | Serge | 185 | if( cmdline && *cmdline ) |
4280 | Serge | 186 | parse_cmdline(cmdline, cmdtable, log, &usermode); |
2325 | Serge | 187 | |
4293 | Serge | 188 | if( *log && !dbg_open(log)) |
2325 | Serge | 189 | { |
190 | printf("Can't open %s\nExit\n", log); |
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191 | return 0; |
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192 | } |
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193 | |||
2351 | Serge | 194 | cpu_detect(); |
3480 | Serge | 195 | // dbgprintf("\ncache line size %d\n", x86_clflush_size); |
2351 | Serge | 196 | |
2325 | Serge | 197 | enum_pci_devices(); |
198 | |||
199 | err = i915_init(); |
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2338 | Serge | 200 | if(err) |
201 | { |
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3298 | Serge | 202 | dbgprintf("Epic Fail :(\n"); |
203 | return 0; |
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2338 | Serge | 204 | }; |
2325 | Serge | 205 | |
4280 | Serge | 206 | init_display_kms(main_device, &usermode); |
207 | |||
2338 | Serge | 208 | err = RegService("DISPLAY", display_handler); |
2325 | Serge | 209 | |
2338 | Serge | 210 | if( err != 0) |
211 | dbgprintf("Set DISPLAY handler\n"); |
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212 | |||
3764 | Serge | 213 | driver_wq_state = 1; |
4104 | Serge | 214 | |
4126 | Serge | 215 | CreateKernelThread(i915_driver_thread); |
3482 | Serge | 216 | |
2325 | Serge | 217 | return err; |
218 | }; |
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219 | |||
3480 | Serge | 220 | |
2344 | Serge | 221 | #define CURRENT_API 0x0200 /* 2.00 */ |
222 | #define COMPATIBLE_API 0x0100 /* 1.00 */ |
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2338 | Serge | 223 | |
2344 | Serge | 224 | #define API_VERSION (COMPATIBLE_API << 16) | CURRENT_API |
2351 | Serge | 225 | #define DISPLAY_VERSION API_VERSION |
2338 | Serge | 226 | |
227 | |||
2352 | Serge | 228 | #define SRV_GETVERSION 0 |
229 | #define SRV_ENUM_MODES 1 |
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230 | #define SRV_SET_MODE 2 |
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231 | #define SRV_GET_CAPS 3 |
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2342 | Serge | 232 | |
2352 | Serge | 233 | #define SRV_CREATE_SURFACE 10 |
234 | #define SRV_DESTROY_SURFACE 11 |
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235 | #define SRV_LOCK_SURFACE 12 |
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236 | #define SRV_UNLOCK_SURFACE 13 |
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3039 | serge | 237 | #define SRV_RESIZE_SURFACE 14 |
3120 | serge | 238 | #define SRV_BLIT_BITMAP 15 |
239 | #define SRV_BLIT_TEXTURE 16 |
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240 | #define SRV_BLIT_VIDEO 17 |
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2344 | Serge | 241 | |
3290 | Serge | 242 | |
3260 | Serge | 243 | #define SRV_GET_PCI_INFO 20 |
4246 | Serge | 244 | #define SRV_I915_GET_PARAM 21 |
4104 | Serge | 245 | #define SRV_I915_GEM_CREATE 22 |
246 | #define SRV_DRM_GEM_CLOSE 23 |
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4246 | Serge | 247 | #define SRV_DRM_GEM_FLINK 24 |
248 | #define SRV_DRM_GEM_OPEN 25 |
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249 | #define SRV_I915_GEM_PIN 26 |
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250 | #define SRV_I915_GEM_UNPIN 27 |
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251 | #define SRV_I915_GEM_SET_CACHING 28 |
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252 | #define SRV_I915_GEM_PWRITE 29 |
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253 | #define SRV_I915_GEM_BUSY 30 |
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254 | #define SRV_I915_GEM_SET_DOMAIN 31 |
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255 | #define SRV_I915_GEM_MMAP 32 |
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256 | #define SRV_I915_GEM_SET_TILING 33 |
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257 | #define SRV_I915_GEM_GET_TILING 34 |
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258 | #define SRV_I915_GEM_GET_APERTURE 35 |
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259 | #define SRV_I915_GEM_MMAP_GTT 36 |
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260 | #define SRV_I915_GEM_THROTTLE 37 |
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261 | #define SRV_I915_GEM_EXECBUFFER2 38 |
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262 | #define SRV_I915_GEM_WAIT 39 |
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263 | #define SRV_I915_GEM_CONTEXT_CREATE 40 |
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264 | #define SRV_I915_GEM_CONTEXT_DESTROY 41 |
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265 | #define SRV_I915_REG_READ 42 |
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3260 | Serge | 266 | |
4246 | Serge | 267 | #define SRV_FBINFO 43 |
268 | #define SRV_MASK_UPDATE 44 |
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4539 | Serge | 269 | #define SRV_MASK_UPDATE_EX 45 |
3263 | Serge | 270 | |
2338 | Serge | 271 | #define check_input(size) \ |
272 | if( unlikely((inp==NULL)||(io->inp_size != (size))) ) \ |
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273 | break; |
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274 | |||
275 | #define check_output(size) \ |
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276 | if( unlikely((outp==NULL)||(io->out_size != (size))) ) \ |
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277 | break; |
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278 | |||
279 | int _stdcall display_handler(ioctl_t *io) |
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280 | { |
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3255 | Serge | 281 | struct drm_file *file; |
282 | |||
2338 | Serge | 283 | int retval = -1; |
284 | u32_t *inp; |
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285 | u32_t *outp; |
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286 | |||
287 | inp = io->input; |
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288 | outp = io->output; |
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289 | |||
3255 | Serge | 290 | file = drm_file_handlers[0]; |
291 | |||
2338 | Serge | 292 | switch(io->io_code) |
293 | { |
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294 | case SRV_GETVERSION: |
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295 | check_output(4); |
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2344 | Serge | 296 | *outp = DISPLAY_VERSION; |
2338 | Serge | 297 | retval = 0; |
298 | break; |
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299 | |||
300 | case SRV_ENUM_MODES: |
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3031 | serge | 301 | // dbgprintf("SRV_ENUM_MODES inp %x inp_size %x out_size %x\n", |
302 | // inp, io->inp_size, io->out_size ); |
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2340 | Serge | 303 | check_output(4); |
2338 | Serge | 304 | // check_input(*outp * sizeof(videomode_t)); |
305 | if( i915_modeset) |
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306 | retval = get_videomodes((videomode_t*)inp, outp); |
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307 | break; |
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308 | |||
309 | case SRV_SET_MODE: |
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3031 | serge | 310 | // dbgprintf("SRV_SET_MODE inp %x inp_size %x\n", |
311 | // inp, io->inp_size); |
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2338 | Serge | 312 | check_input(sizeof(videomode_t)); |
313 | if( i915_modeset ) |
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314 | retval = set_user_mode((videomode_t*)inp); |
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315 | break; |
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3033 | serge | 316 | |
2351 | Serge | 317 | case SRV_GET_CAPS: |
318 | retval = get_driver_caps((hwcaps_t*)inp); |
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319 | break; |
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320 | |||
2344 | Serge | 321 | case SRV_CREATE_SURFACE: |
322 | // check_input(8); |
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3243 | Serge | 323 | // retval = create_surface(main_device, (struct io_call_10*)inp); |
2338 | Serge | 324 | break; |
325 | |||
2352 | Serge | 326 | case SRV_LOCK_SURFACE: |
3243 | Serge | 327 | // retval = lock_surface((struct io_call_12*)inp); |
2352 | Serge | 328 | break; |
2342 | Serge | 329 | |
3039 | serge | 330 | case SRV_RESIZE_SURFACE: |
3243 | Serge | 331 | // retval = resize_surface((struct io_call_14*)inp); |
3039 | serge | 332 | break; |
333 | |||
3255 | Serge | 334 | case SRV_BLIT_BITMAP: |
3243 | Serge | 335 | // srv_blit_bitmap( inp[0], inp[1], inp[2], |
336 | // inp[3], inp[4], inp[5], inp[6]); |
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3033 | serge | 337 | |
338 | // blit_tex( inp[0], inp[1], inp[2], |
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2351 | Serge | 339 | // inp[3], inp[4], inp[5], inp[6]); |
340 | |||
3255 | Serge | 341 | break; |
2338 | Serge | 342 | |
3260 | Serge | 343 | case SRV_GET_PCI_INFO: |
3255 | Serge | 344 | get_pci_info((struct pci_device *)inp); |
2338 | Serge | 345 | retval = 0; |
346 | break; |
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3031 | serge | 347 | |
4246 | Serge | 348 | case SRV_I915_GET_PARAM: |
349 | retval = i915_getparam(main_device, inp, file); |
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3255 | Serge | 350 | break; |
351 | |||
352 | case SRV_I915_GEM_CREATE: |
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353 | retval = i915_gem_create_ioctl(main_device, inp, file); |
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354 | break; |
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355 | |||
356 | case SRV_DRM_GEM_CLOSE: |
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357 | retval = drm_gem_close_ioctl(main_device, inp, file); |
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358 | break; |
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359 | |||
4246 | Serge | 360 | case SRV_DRM_GEM_FLINK: |
361 | retval = drm_gem_flink_ioctl(main_device, inp, file); |
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362 | break; |
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363 | |||
364 | case SRV_DRM_GEM_OPEN: |
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365 | retval = drm_gem_open_ioctl(main_device, inp, file); |
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366 | break; |
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367 | |||
3255 | Serge | 368 | case SRV_I915_GEM_PIN: |
369 | retval = i915_gem_pin_ioctl(main_device, inp, file); |
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370 | break; |
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3260 | Serge | 371 | |
4246 | Serge | 372 | case SRV_I915_GEM_UNPIN: |
373 | retval = i915_gem_unpin_ioctl(main_device, inp, file); |
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3260 | Serge | 374 | break; |
375 | |||
4246 | Serge | 376 | case SRV_I915_GEM_SET_CACHING: |
377 | retval = i915_gem_set_caching_ioctl(main_device, inp, file); |
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3260 | Serge | 378 | break; |
379 | |||
380 | case SRV_I915_GEM_PWRITE: |
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381 | retval = i915_gem_pwrite_ioctl(main_device, inp, file); |
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382 | break; |
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383 | |||
384 | case SRV_I915_GEM_BUSY: |
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385 | retval = i915_gem_busy_ioctl(main_device, inp, file); |
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386 | break; |
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387 | |||
388 | case SRV_I915_GEM_SET_DOMAIN: |
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389 | retval = i915_gem_set_domain_ioctl(main_device, inp, file); |
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390 | break; |
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391 | |||
3263 | Serge | 392 | case SRV_I915_GEM_MMAP: |
393 | retval = i915_gem_mmap_ioctl(main_device, inp, file); |
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394 | break; |
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395 | |||
4246 | Serge | 396 | case SRV_I915_GEM_SET_TILING: |
397 | retval = i915_gem_set_tiling(main_device, inp, file); |
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398 | break; |
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399 | |||
400 | case SRV_I915_GEM_GET_TILING: |
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401 | retval = i915_gem_get_tiling(main_device, inp, file); |
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402 | break; |
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403 | |||
404 | case SRV_I915_GEM_GET_APERTURE: |
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405 | // printf("SRV_I915_GEM_GET_APERTURE "); |
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406 | retval = i915_gem_get_aperture_ioctl(main_device, inp, file); |
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407 | // printf(" retval=%d\n", retval); |
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408 | break; |
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409 | |||
3480 | Serge | 410 | case SRV_I915_GEM_MMAP_GTT: |
411 | retval = i915_gem_mmap_gtt_ioctl(main_device, inp, file); |
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412 | break; |
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413 | |||
4246 | Serge | 414 | case SRV_I915_GEM_THROTTLE: |
415 | retval = i915_gem_throttle_ioctl(main_device, inp, file); |
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3263 | Serge | 416 | break; |
417 | |||
418 | case SRV_I915_GEM_EXECBUFFER2: |
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4246 | Serge | 419 | // printf("SRV_I915_GEM_EXECBUFFER2\n"); |
3263 | Serge | 420 | retval = i915_gem_execbuffer2(main_device, inp, file); |
421 | break; |
||
422 | |||
4246 | Serge | 423 | case SRV_I915_GEM_WAIT: |
424 | retval = i915_gem_wait_ioctl(main_device, inp, file); |
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425 | break; |
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426 | |||
427 | case SRV_I915_GEM_CONTEXT_CREATE: |
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428 | retval = i915_gem_context_create_ioctl(main_device, inp, file); |
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429 | break; |
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430 | |||
431 | case SRV_I915_GEM_CONTEXT_DESTROY: |
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432 | retval = i915_gem_context_destroy_ioctl(main_device, inp, file); |
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433 | break; |
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434 | |||
435 | case SRV_I915_REG_READ: |
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436 | retval = i915_reg_read_ioctl(main_device, inp, file); |
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437 | break; |
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438 | |||
439 | case SRV_FBINFO: |
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440 | retval = i915_fbinfo(inp); |
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441 | break; |
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442 | |||
3290 | Serge | 443 | case SRV_MASK_UPDATE: |
444 | retval = i915_mask_update(main_device, inp, file); |
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445 | break; |
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4539 | Serge | 446 | |
447 | case SRV_MASK_UPDATE_EX: |
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448 | retval = i915_mask_update_ex(main_device, inp, file); |
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449 | break; |
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2338 | Serge | 450 | }; |
451 | |||
452 | return retval; |
||
453 | } |
||
454 | |||
455 | |||
2325 | Serge | 456 | #define PCI_CLASS_REVISION 0x08 |
457 | #define PCI_CLASS_DISPLAY_VGA 0x0300 |
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458 | #define PCI_CLASS_BRIDGE_HOST 0x0600 |
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2326 | Serge | 459 | #define PCI_CLASS_BRIDGE_ISA 0x0601 |
2325 | Serge | 460 | |
461 | int pci_scan_filter(u32_t id, u32_t busnr, u32_t devfn) |
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462 | { |
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463 | u16_t vendor, device; |
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464 | u32_t class; |
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465 | int ret = 0; |
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466 | |||
467 | vendor = id & 0xffff; |
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468 | device = (id >> 16) & 0xffff; |
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469 | |||
470 | if(vendor == 0x8086) |
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471 | { |
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472 | class = PciRead32(busnr, devfn, PCI_CLASS_REVISION); |
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473 | class >>= 16; |
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474 | |||
475 | if( (class == PCI_CLASS_DISPLAY_VGA) || |
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2326 | Serge | 476 | (class == PCI_CLASS_BRIDGE_HOST) || |
477 | (class == PCI_CLASS_BRIDGE_ISA)) |
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2325 | Serge | 478 | ret = 1; |
479 | } |
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480 | return ret; |
||
481 | }; |
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2340 | Serge | 482 | |
483 | |||
484 | |||
485 | |||
2344 | Serge | 486 | static inline void __cpuid(unsigned int *eax, unsigned int *ebx, |
2351 | Serge | 487 | unsigned int *ecx, unsigned int *edx) |
2344 | Serge | 488 | { |
489 | /* ecx is often an input as well as an output. */ |
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2351 | Serge | 490 | asm volatile("cpuid" |
2344 | Serge | 491 | : "=a" (*eax), |
492 | "=b" (*ebx), |
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493 | "=c" (*ecx), |
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494 | "=d" (*edx) |
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2351 | Serge | 495 | : "0" (*eax), "2" (*ecx) |
496 | : "memory"); |
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2344 | Serge | 497 | } |
498 | |||
2351 | Serge | 499 | |
500 | |||
2344 | Serge | 501 | static inline void cpuid(unsigned int op, |
502 | unsigned int *eax, unsigned int *ebx, |
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503 | unsigned int *ecx, unsigned int *edx) |
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504 | { |
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505 | *eax = op; |
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506 | *ecx = 0; |
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507 | __cpuid(eax, ebx, ecx, edx); |
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508 | } |
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509 | |||
510 | void cpu_detect() |
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511 | { |
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512 | u32 junk, tfms, cap0, misc; |
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513 | |||
514 | cpuid(0x00000001, &tfms, &misc, &junk, &cap0); |
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515 | |||
516 | if (cap0 & (1<<19)) |
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517 | { |
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518 | x86_clflush_size = ((misc >> 8) & 0xff) * 8; |
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519 | } |
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3482 | Serge | 520 | |
521 | tsc_khz = (unsigned int)(GetCpuFreq()/1000); |
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2344 | Serge | 522 | } |
523 | |||
3243 | Serge | 524 | |
525 | int get_driver_caps(hwcaps_t *caps) |
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526 | { |
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527 | int ret = 0; |
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528 | |||
529 | switch(caps->idx) |
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530 | { |
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531 | case 0: |
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532 | caps->opt[0] = 0; |
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533 | caps->opt[1] = 0; |
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534 | break; |
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535 | |||
536 | case 1: |
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537 | caps->cap1.max_tex_width = 4096; |
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538 | caps->cap1.max_tex_height = 4096; |
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539 | break; |
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540 | default: |
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541 | ret = 1; |
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542 | }; |
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543 | caps->idx = 1; |
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544 | return ret; |
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545 | } |
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546 | |||
3255 | Serge | 547 | |
548 | void get_pci_info(struct pci_device *dev) |
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549 | { |
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550 | struct pci_dev *pdev = main_device->pdev; |
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551 | |||
552 | memset(dev, sizeof(*dev), 0); |
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553 | |||
554 | dev->domain = 0; |
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555 | dev->bus = pdev->busnr; |
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556 | dev->dev = pdev->devfn >> 3; |
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557 | dev->func = pdev->devfn & 7; |
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558 | dev->vendor_id = pdev->vendor; |
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559 | dev->device_id = pdev->device; |
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560 | dev->revision = pdev->revision; |
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561 | }; |
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4246 | Serge | 562 | |
563 | |||
564 | |||
4280 | Serge | 565 | char *strstr(const char *cs, const char *ct); |
566 | |||
567 | static int my_atoi(char **cmd) |
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568 | { |
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569 | char* p = *cmd; |
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570 | int val = 0; |
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571 | int sign = 1; |
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572 | |||
573 | if(*p == '-') |
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574 | { |
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575 | sign = -1; |
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576 | p++; |
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577 | }; |
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578 | |||
579 | for (;; *p++) { |
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580 | switch (*p) { |
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581 | case '0' ... '9': |
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582 | val = 10*val+(*p-'0'); |
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583 | break; |
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584 | default: |
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585 | *cmd = p; |
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586 | return val*sign; |
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587 | } |
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588 | } |
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589 | } |
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590 | |||
591 | char* parse_mode(char *p, videomode_t *mode) |
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592 | { |
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593 | char c; |
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594 | |||
595 | while( (c = *p++) == ' '); |
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596 | |||
597 | if( c ) |
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598 | { |
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599 | p--; |
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600 | |||
601 | mode->width = my_atoi(&p); |
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602 | if(*p == 'x') p++; |
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603 | |||
604 | mode->height = my_atoi(&p); |
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605 | if(*p == 'x') p++; |
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606 | |||
607 | mode->bpp = 32; |
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608 | |||
609 | mode->freq = my_atoi(&p); |
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610 | |||
611 | if( mode->freq == 0 ) |
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612 | mode->freq = 60; |
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613 | } |
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614 | |||
615 | return p; |
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616 | }; |
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617 | |||
618 | |||
619 | static char* parse_path(char *p, char *log) |
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620 | { |
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621 | char c; |
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622 | |||
623 | while( (c = *p++) == ' '); |
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624 | p--; |
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4293 | Serge | 625 | while((c = *p++) && (c != ' ')) |
626 | *log++ = c; |
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627 | |||
4280 | Serge | 628 | *log = 0; |
629 | |||
630 | return p; |
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631 | }; |
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632 | |||
633 | void parse_cmdline(char *cmdline, struct cmdtable *table, char *log, videomode_t *mode) |
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634 | { |
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635 | char *p = cmdline; |
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636 | char *p1; |
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637 | int val; |
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638 | char c = *p++; |
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639 | |||
640 | if( table ) |
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641 | { |
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642 | while(table->key) |
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643 | { |
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644 | if(p1 = strstr(cmdline, table->key)) |
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645 | { |
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646 | p1+= table->size; |
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647 | *table->val = my_atoi(&p1); |
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648 | } |
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649 | table++; |
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650 | } |
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651 | } |
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652 | |||
653 | while( c ) |
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654 | { |
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655 | if( c == '-') |
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656 | { |
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657 | switch(*p++) |
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658 | { |
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659 | case 'l': |
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660 | p = parse_path(p, log); |
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661 | break; |
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662 | |||
663 | case 'm': |
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664 | p = parse_mode(p, mode); |
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665 | break; |
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666 | }; |
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667 | }; |
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668 | c = *p++; |
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669 | }; |
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670 | }; |
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671 | |||
672 | char *strstr(const char *cs, const char *ct) |
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673 | { |
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674 | int d0, d1; |
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675 | register char *__res; |
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676 | __asm__ __volatile__( |
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677 | "movl %6,%%edi\n\t" |
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678 | "repne\n\t" |
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679 | "scasb\n\t" |
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680 | "notl %%ecx\n\t" |
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681 | "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */ |
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682 | "movl %%ecx,%%edx\n" |
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683 | "1:\tmovl %6,%%edi\n\t" |
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684 | "movl %%esi,%%eax\n\t" |
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685 | "movl %%edx,%%ecx\n\t" |
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686 | "repe\n\t" |
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687 | "cmpsb\n\t" |
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688 | "je 2f\n\t" /* also works for empty string, see above */ |
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689 | "xchgl %%eax,%%esi\n\t" |
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690 | "incl %%esi\n\t" |
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691 | "cmpb $0,-1(%%eax)\n\t" |
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692 | "jne 1b\n\t" |
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693 | "xorl %%eax,%%eax\n\t" |
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694 | "2:" |
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695 | : "=a" (__res), "=&c" (d0), "=&S" (d1) |
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696 | : "0" (0), "1" (0xffffffff), "2" (cs), "g" (ct) |
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697 | : "dx", "di"); |
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698 | return __res; |
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699 | }19)) |
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4293 | Serge | 700 | |
701 |