1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 #include <linux/slab.h> 29 #include <linux/seq_file.h> 30 #include <linux/firmware.h> 31 #include <linux/platform_device.h> 32 #include "drmP.h" 33 #include "radeon_drm.h" 34 #include "radeon.h" 35 #include "radeon_asic.h" 36 #include "radeon_mode.h" 37 #include "r600d.h" 38 #include "atom.h" 39 #include "avivod.h" 40 41 #define PFP_UCODE_SIZE 576 42 #define PM4_UCODE_SIZE 1792 43 #define RLC_UCODE_SIZE 768 44 #define R700_PFP_UCODE_SIZE 848 45 #define R700_PM4_UCODE_SIZE 1360 46 #define R700_RLC_UCODE_SIZE 1024 47 #define EVERGREEN_PFP_UCODE_SIZE 1120 48 #define EVERGREEN_PM4_UCODE_SIZE 1376 49 #define EVERGREEN_RLC_UCODE_SIZE 768 50 #define CAYMAN_RLC_UCODE_SIZE 1024 51 52 /* Firmware Names */ 53 MODULE_FIRMWARE("radeon/R600_pfp.bin"); 54 MODULE_FIRMWARE("radeon/R600_me.bin"); 55 MODULE_FIRMWARE("radeon/RV610_pfp.bin"); 56 MODULE_FIRMWARE("radeon/RV610_me.bin"); 57 MODULE_FIRMWARE("radeon/RV630_pfp.bin"); 58 MODULE_FIRMWARE("radeon/RV630_me.bin"); 59 MODULE_FIRMWARE("radeon/RV620_pfp.bin"); 60 MODULE_FIRMWARE("radeon/RV620_me.bin"); 61 MODULE_FIRMWARE("radeon/RV635_pfp.bin"); 62 MODULE_FIRMWARE("radeon/RV635_me.bin"); 63 MODULE_FIRMWARE("radeon/RV670_pfp.bin"); 64 MODULE_FIRMWARE("radeon/RV670_me.bin"); 65 MODULE_FIRMWARE("radeon/RS780_pfp.bin"); 66 MODULE_FIRMWARE("radeon/RS780_me.bin"); 67 MODULE_FIRMWARE("radeon/RV770_pfp.bin"); 68 MODULE_FIRMWARE("radeon/RV770_me.bin"); 69 MODULE_FIRMWARE("radeon/RV730_pfp.bin"); 70 MODULE_FIRMWARE("radeon/RV730_me.bin"); 71 MODULE_FIRMWARE("radeon/RV710_pfp.bin"); 72 MODULE_FIRMWARE("radeon/RV710_me.bin"); 73 MODULE_FIRMWARE("radeon/R600_rlc.bin"); 74 MODULE_FIRMWARE("radeon/R700_rlc.bin"); 75 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin"); 76 MODULE_FIRMWARE("radeon/CEDAR_me.bin"); 77 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin"); 78 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin"); 79 MODULE_FIRMWARE("radeon/REDWOOD_me.bin"); 80 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin"); 81 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin"); 82 MODULE_FIRMWARE("radeon/JUNIPER_me.bin"); 83 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin"); 84 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin"); 85 MODULE_FIRMWARE("radeon/CYPRESS_me.bin"); 86 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin"); 87 MODULE_FIRMWARE("radeon/PALM_pfp.bin"); 88 MODULE_FIRMWARE("radeon/PALM_me.bin"); 89 MODULE_FIRMWARE("radeon/SUMO_rlc.bin"); 90 MODULE_FIRMWARE("radeon/SUMO_pfp.bin"); 91 MODULE_FIRMWARE("radeon/SUMO_me.bin"); 92 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin"); 93 MODULE_FIRMWARE("radeon/SUMO2_me.bin"); 94 95 int r600_debugfs_mc_info_init(struct radeon_device *rdev); 96 97 /* r600,rv610,rv630,rv620,rv635,rv670 */ 98 int r600_mc_wait_for_idle(struct radeon_device *rdev); 99 void r600_gpu_init(struct radeon_device *rdev); 100 void r600_fini(struct radeon_device *rdev); 101 void r600_irq_disable(struct radeon_device *rdev); 102 static void r600_pcie_gen2_enable(struct radeon_device *rdev); 103 104 /* get temperature in millidegrees */ 105 int rv6xx_get_temp(struct radeon_device *rdev) 106 { 107 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> 108 ASIC_T_SHIFT; 109 int actual_temp = temp & 0xff; 110 111 if (temp & 0x100) 112 actual_temp -= 256; 113 114 return actual_temp * 1000; 115 } 116 117 void r600_pm_get_dynpm_state(struct radeon_device *rdev) 118 { 119 int i; 120 121 rdev->pm.dynpm_can_upclock = true; 122 rdev->pm.dynpm_can_downclock = true; 123 124 /* power state array is low to high, default is first */ 125 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) { 126 int min_power_state_index = 0; 127 128 if (rdev->pm.num_power_states > 2) 129 min_power_state_index = 1; 130 131 switch (rdev->pm.dynpm_planned_action) { 132 case DYNPM_ACTION_MINIMUM: 133 rdev->pm.requested_power_state_index = min_power_state_index; 134 rdev->pm.requested_clock_mode_index = 0; 135 rdev->pm.dynpm_can_downclock = false; 136 break; 137 case DYNPM_ACTION_DOWNCLOCK: 138 if (rdev->pm.current_power_state_index == min_power_state_index) { 139 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 140 rdev->pm.dynpm_can_downclock = false; 141 } else { 142 if (rdev->pm.active_crtc_count > 1) { 143 for (i = 0; i < rdev->pm.num_power_states; i++) { 144 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 145 continue; 146 else if (i >= rdev->pm.current_power_state_index) { 147 rdev->pm.requested_power_state_index = 148 rdev->pm.current_power_state_index; 149 break; 150 } else { 151 rdev->pm.requested_power_state_index = i; 152 break; 153 } 154 } 155 } else { 156 if (rdev->pm.current_power_state_index == 0) 157 rdev->pm.requested_power_state_index = 158 rdev->pm.num_power_states - 1; 159 else 160 rdev->pm.requested_power_state_index = 161 rdev->pm.current_power_state_index - 1; 162 } 163 } 164 rdev->pm.requested_clock_mode_index = 0; 165 /* don't use the power state if crtcs are active and no display flag is set */ 166 if ((rdev->pm.active_crtc_count > 0) && 167 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 168 clock_info[rdev->pm.requested_clock_mode_index].flags & 169 RADEON_PM_MODE_NO_DISPLAY)) { 170 rdev->pm.requested_power_state_index++; 171 } 172 break; 173 case DYNPM_ACTION_UPCLOCK: 174 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { 175 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 176 rdev->pm.dynpm_can_upclock = false; 177 } else { 178 if (rdev->pm.active_crtc_count > 1) { 179 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { 180 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 181 continue; 182 else if (i <= rdev->pm.current_power_state_index) { 183 rdev->pm.requested_power_state_index = 184 rdev->pm.current_power_state_index; 185 break; 186 } else { 187 rdev->pm.requested_power_state_index = i; 188 break; 189 } 190 } 191 } else 192 rdev->pm.requested_power_state_index = 193 rdev->pm.current_power_state_index + 1; 194 } 195 rdev->pm.requested_clock_mode_index = 0; 196 break; 197 case DYNPM_ACTION_DEFAULT: 198 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 199 rdev->pm.requested_clock_mode_index = 0; 200 rdev->pm.dynpm_can_upclock = false; 201 break; 202 case DYNPM_ACTION_NONE: 203 default: 204 DRM_ERROR("Requested mode for not defined action\n"); 205 return; 206 } 207 } else { 208 /* XXX select a power state based on AC/DC, single/dualhead, etc. */ 209 /* for now just select the first power state and switch between clock modes */ 210 /* power state array is low to high, default is first (0) */ 211 if (rdev->pm.active_crtc_count > 1) { 212 rdev->pm.requested_power_state_index = -1; 213 /* start at 1 as we don't want the default mode */ 214 for (i = 1; i < rdev->pm.num_power_states; i++) { 215 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 216 continue; 217 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) || 218 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) { 219 rdev->pm.requested_power_state_index = i; 220 break; 221 } 222 } 223 /* if nothing selected, grab the default state. */ 224 if (rdev->pm.requested_power_state_index == -1) 225 rdev->pm.requested_power_state_index = 0; 226 } else 227 rdev->pm.requested_power_state_index = 1; 228 229 switch (rdev->pm.dynpm_planned_action) { 230 case DYNPM_ACTION_MINIMUM: 231 rdev->pm.requested_clock_mode_index = 0; 232 rdev->pm.dynpm_can_downclock = false; 233 break; 234 case DYNPM_ACTION_DOWNCLOCK: 235 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 236 if (rdev->pm.current_clock_mode_index == 0) { 237 rdev->pm.requested_clock_mode_index = 0; 238 rdev->pm.dynpm_can_downclock = false; 239 } else 240 rdev->pm.requested_clock_mode_index = 241 rdev->pm.current_clock_mode_index - 1; 242 } else { 243 rdev->pm.requested_clock_mode_index = 0; 244 rdev->pm.dynpm_can_downclock = false; 245 } 246 /* don't use the power state if crtcs are active and no display flag is set */ 247 if ((rdev->pm.active_crtc_count > 0) && 248 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 249 clock_info[rdev->pm.requested_clock_mode_index].flags & 250 RADEON_PM_MODE_NO_DISPLAY)) { 251 rdev->pm.requested_clock_mode_index++; 252 } 253 break; 254 case DYNPM_ACTION_UPCLOCK: 255 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 256 if (rdev->pm.current_clock_mode_index == 257 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) { 258 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index; 259 rdev->pm.dynpm_can_upclock = false; 260 } else 261 rdev->pm.requested_clock_mode_index = 262 rdev->pm.current_clock_mode_index + 1; 263 } else { 264 rdev->pm.requested_clock_mode_index = 265 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1; 266 rdev->pm.dynpm_can_upclock = false; 267 } 268 break; 269 case DYNPM_ACTION_DEFAULT: 270 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 271 rdev->pm.requested_clock_mode_index = 0; 272 rdev->pm.dynpm_can_upclock = false; 273 break; 274 case DYNPM_ACTION_NONE: 275 default: 276 DRM_ERROR("Requested mode for not defined action\n"); 277 return; 278 } 279 } 280 281 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n", 282 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 283 clock_info[rdev->pm.requested_clock_mode_index].sclk, 284 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 285 clock_info[rdev->pm.requested_clock_mode_index].mclk, 286 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 287 pcie_lanes); 288 } 289 290 static int r600_pm_get_type_index(struct radeon_device *rdev, 291 enum radeon_pm_state_type ps_type, 292 int instance) 293 { 294 int i; 295 int found_instance = -1; 296 297 for (i = 0; i < rdev->pm.num_power_states; i++) { 298 if (rdev->pm.power_state[i].type == ps_type) { 299 found_instance++; 300 if (found_instance == instance) 301 return i; 302 } 303 } 304 /* return default if no match */ 305 return rdev->pm.default_power_state_index; 306 } 307 308 void rs780_pm_init_profile(struct radeon_device *rdev) 309 { 310 if (rdev->pm.num_power_states == 2) { 311 /* default */ 312 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 313 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 314 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 315 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 316 /* low sh */ 317 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; 318 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; 319 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 320 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 321 /* mid sh */ 322 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; 323 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0; 324 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 325 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 326 /* high sh */ 327 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; 328 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 329 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 330 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 331 /* low mh */ 332 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; 333 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 334 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 335 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 336 /* mid mh */ 337 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; 338 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 339 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 340 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 341 /* high mh */ 342 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; 343 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1; 344 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 345 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 346 } else if (rdev->pm.num_power_states == 3) { 347 /* default */ 348 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 349 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 350 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 351 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 352 /* low sh */ 353 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 354 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 355 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 356 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 357 /* mid sh */ 358 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 359 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 360 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 361 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 362 /* high sh */ 363 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 364 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2; 365 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 366 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 367 /* low mh */ 368 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1; 369 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1; 370 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 371 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 372 /* mid mh */ 373 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1; 374 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1; 375 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 376 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 377 /* high mh */ 378 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1; 379 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 380 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 381 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 382 } else { 383 /* default */ 384 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 385 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 386 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 387 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 388 /* low sh */ 389 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2; 390 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2; 391 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 392 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 393 /* mid sh */ 394 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2; 395 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2; 396 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 397 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 398 /* high sh */ 399 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2; 400 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3; 401 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 402 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 403 /* low mh */ 404 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 405 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 406 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 407 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 408 /* mid mh */ 409 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 410 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 411 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 412 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 413 /* high mh */ 414 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 415 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3; 416 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 417 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 418 } 419 } 420 421 void r600_pm_init_profile(struct radeon_device *rdev) 422 { 423 if (rdev->family == CHIP_R600) { 424 /* XXX */ 425 /* default */ 426 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 427 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 428 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 429 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 430 /* low sh */ 431 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 432 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 433 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 434 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 435 /* mid sh */ 436 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 437 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 438 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 439 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 440 /* high sh */ 441 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 442 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 443 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 444 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 445 /* low mh */ 446 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 447 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 448 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 449 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 450 /* mid mh */ 451 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 452 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 453 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 454 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 455 /* high mh */ 456 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 457 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 458 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 459 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 460 } else { 461 if (rdev->pm.num_power_states < 4) { 462 /* default */ 463 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 464 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 465 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 466 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 467 /* low sh */ 468 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 469 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 470 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 471 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 472 /* mid sh */ 473 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 474 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 475 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 476 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 477 /* high sh */ 478 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 479 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 480 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 481 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 482 /* low mh */ 483 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 484 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2; 485 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 486 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 487 /* low mh */ 488 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 489 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2; 490 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 491 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 492 /* high mh */ 493 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 494 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 495 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 496 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 497 } else { 498 /* default */ 499 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 500 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 501 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 502 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 503 /* low sh */ 504 if (rdev->flags & RADEON_IS_MOBILITY) { 505 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 506 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 507 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 508 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 509 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 510 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 511 } else { 512 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 513 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 514 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 515 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 516 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 517 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 518 } 519 /* mid sh */ 520 if (rdev->flags & RADEON_IS_MOBILITY) { 521 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 522 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 523 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 524 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 525 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 526 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 527 } else { 528 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 529 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 530 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 531 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 532 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 533 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 534 } 535 /* high sh */ 536 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 537 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 538 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 539 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 540 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 541 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 542 /* low mh */ 543 if (rdev->flags & RADEON_IS_MOBILITY) { 544 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 545 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1); 546 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 547 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1); 548 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 549 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 550 } else { 551 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 552 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 553 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 554 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 555 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 556 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 557 } 558 /* mid mh */ 559 if (rdev->flags & RADEON_IS_MOBILITY) { 560 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 561 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1); 562 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 563 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1); 564 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 565 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 566 } else { 567 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 568 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 569 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 570 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 571 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 572 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 573 } 574 /* high mh */ 575 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 576 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 577 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 578 r600_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 579 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 580 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 581 } 582 } 583 } 584 585 void r600_pm_misc(struct radeon_device *rdev) 586 { 587 int req_ps_idx = rdev->pm.requested_power_state_index; 588 int req_cm_idx = rdev->pm.requested_clock_mode_index; 589 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx]; 590 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; 591 592 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { 593 /* 0xff01 is a flag rather then an actual voltage */ 594 if (voltage->voltage == 0xff01) 595 return; 596 if (voltage->voltage != rdev->pm.current_vddc) { 597 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); 598 rdev->pm.current_vddc = voltage->voltage; 599 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage); 600 } 601 } 602 } 603 604 bool r600_gui_idle(struct radeon_device *rdev) 605 { 606 if (RREG32(GRBM_STATUS) & GUI_ACTIVE) 607 return false; 608 else 609 return true; 610 } 611 612 /* hpd for digital panel detect/disconnect */ 613 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 614 { 615 bool connected = false; 616 617 if (ASIC_IS_DCE3(rdev)) { 618 switch (hpd) { 619 case RADEON_HPD_1: 620 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) 621 connected = true; 622 break; 623 case RADEON_HPD_2: 624 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) 625 connected = true; 626 break; 627 case RADEON_HPD_3: 628 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) 629 connected = true; 630 break; 631 case RADEON_HPD_4: 632 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) 633 connected = true; 634 break; 635 /* DCE 3.2 */ 636 case RADEON_HPD_5: 637 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) 638 connected = true; 639 break; 640 case RADEON_HPD_6: 641 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) 642 connected = true; 643 break; 644 default: 645 break; 646 } 647 } else { 648 switch (hpd) { 649 case RADEON_HPD_1: 650 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 651 connected = true; 652 break; 653 case RADEON_HPD_2: 654 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 655 connected = true; 656 break; 657 case RADEON_HPD_3: 658 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 659 connected = true; 660 break; 661 default: 662 break; 663 } 664 } 665 return connected; 666 } 667 668 void r600_hpd_set_polarity(struct radeon_device *rdev, 669 enum radeon_hpd_id hpd) 670 { 671 u32 tmp; 672 bool connected = r600_hpd_sense(rdev, hpd); 673 674 if (ASIC_IS_DCE3(rdev)) { 675 switch (hpd) { 676 case RADEON_HPD_1: 677 tmp = RREG32(DC_HPD1_INT_CONTROL); 678 if (connected) 679 tmp &= ~DC_HPDx_INT_POLARITY; 680 else 681 tmp |= DC_HPDx_INT_POLARITY; 682 WREG32(DC_HPD1_INT_CONTROL, tmp); 683 break; 684 case RADEON_HPD_2: 685 tmp = RREG32(DC_HPD2_INT_CONTROL); 686 if (connected) 687 tmp &= ~DC_HPDx_INT_POLARITY; 688 else 689 tmp |= DC_HPDx_INT_POLARITY; 690 WREG32(DC_HPD2_INT_CONTROL, tmp); 691 break; 692 case RADEON_HPD_3: 693 tmp = RREG32(DC_HPD3_INT_CONTROL); 694 if (connected) 695 tmp &= ~DC_HPDx_INT_POLARITY; 696 else 697 tmp |= DC_HPDx_INT_POLARITY; 698 WREG32(DC_HPD3_INT_CONTROL, tmp); 699 break; 700 case RADEON_HPD_4: 701 tmp = RREG32(DC_HPD4_INT_CONTROL); 702 if (connected) 703 tmp &= ~DC_HPDx_INT_POLARITY; 704 else 705 tmp |= DC_HPDx_INT_POLARITY; 706 WREG32(DC_HPD4_INT_CONTROL, tmp); 707 break; 708 case RADEON_HPD_5: 709 tmp = RREG32(DC_HPD5_INT_CONTROL); 710 if (connected) 711 tmp &= ~DC_HPDx_INT_POLARITY; 712 else 713 tmp |= DC_HPDx_INT_POLARITY; 714 WREG32(DC_HPD5_INT_CONTROL, tmp); 715 break; 716 /* DCE 3.2 */ 717 case RADEON_HPD_6: 718 tmp = RREG32(DC_HPD6_INT_CONTROL); 719 if (connected) 720 tmp &= ~DC_HPDx_INT_POLARITY; 721 else 722 tmp |= DC_HPDx_INT_POLARITY; 723 WREG32(DC_HPD6_INT_CONTROL, tmp); 724 break; 725 default: 726 break; 727 } 728 } else { 729 switch (hpd) { 730 case RADEON_HPD_1: 731 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 732 if (connected) 733 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 734 else 735 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 736 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 737 break; 738 case RADEON_HPD_2: 739 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 740 if (connected) 741 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 742 else 743 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 744 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 745 break; 746 case RADEON_HPD_3: 747 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 748 if (connected) 749 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 750 else 751 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 752 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 753 break; 754 default: 755 break; 756 } 757 } 758 } 759 760 void r600_hpd_init(struct radeon_device *rdev) 761 { 762 struct drm_device *dev = rdev->ddev; 763 struct drm_connector *connector; 764 765 if (ASIC_IS_DCE3(rdev)) { 766 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); 767 if (ASIC_IS_DCE32(rdev)) 768 tmp |= DC_HPDx_EN; 769 770 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 771 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 772 switch (radeon_connector->hpd.hpd) { 773 case RADEON_HPD_1: 774 WREG32(DC_HPD1_CONTROL, tmp); 775 rdev->irq.hpd[0] = true; 776 break; 777 case RADEON_HPD_2: 778 WREG32(DC_HPD2_CONTROL, tmp); 779 rdev->irq.hpd[1] = true; 780 break; 781 case RADEON_HPD_3: 782 WREG32(DC_HPD3_CONTROL, tmp); 783 rdev->irq.hpd[2] = true; 784 break; 785 case RADEON_HPD_4: 786 WREG32(DC_HPD4_CONTROL, tmp); 787 rdev->irq.hpd[3] = true; 788 break; 789 /* DCE 3.2 */ 790 case RADEON_HPD_5: 791 WREG32(DC_HPD5_CONTROL, tmp); 792 rdev->irq.hpd[4] = true; 793 break; 794 case RADEON_HPD_6: 795 WREG32(DC_HPD6_CONTROL, tmp); 796 rdev->irq.hpd[5] = true; 797 break; 798 default: 799 break; 800 } 801 } 802 } else { 803 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 804 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 805 switch (radeon_connector->hpd.hpd) { 806 case RADEON_HPD_1: 807 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN); 808 rdev->irq.hpd[0] = true; 809 break; 810 case RADEON_HPD_2: 811 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN); 812 rdev->irq.hpd[1] = true; 813 break; 814 case RADEON_HPD_3: 815 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN); 816 rdev->irq.hpd[2] = true; 817 break; 818 default: 819 break; 820 } 821 } 822 } 823 if (rdev->irq.installed) 824 r600_irq_set(rdev); 825 } 826 827 void r600_hpd_fini(struct radeon_device *rdev) 828 { 829 struct drm_device *dev = rdev->ddev; 830 struct drm_connector *connector; 831 832 if (ASIC_IS_DCE3(rdev)) { 833 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 834 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 835 switch (radeon_connector->hpd.hpd) { 836 case RADEON_HPD_1: 837 WREG32(DC_HPD1_CONTROL, 0); 838 rdev->irq.hpd[0] = false; 839 break; 840 case RADEON_HPD_2: 841 WREG32(DC_HPD2_CONTROL, 0); 842 rdev->irq.hpd[1] = false; 843 break; 844 case RADEON_HPD_3: 845 WREG32(DC_HPD3_CONTROL, 0); 846 rdev->irq.hpd[2] = false; 847 break; 848 case RADEON_HPD_4: 849 WREG32(DC_HPD4_CONTROL, 0); 850 rdev->irq.hpd[3] = false; 851 break; 852 /* DCE 3.2 */ 853 case RADEON_HPD_5: 854 WREG32(DC_HPD5_CONTROL, 0); 855 rdev->irq.hpd[4] = false; 856 break; 857 case RADEON_HPD_6: 858 WREG32(DC_HPD6_CONTROL, 0); 859 rdev->irq.hpd[5] = false; 860 break; 861 default: 862 break; 863 } 864 } 865 } else { 866 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 867 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 868 switch (radeon_connector->hpd.hpd) { 869 case RADEON_HPD_1: 870 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0); 871 rdev->irq.hpd[0] = false; 872 break; 873 case RADEON_HPD_2: 874 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0); 875 rdev->irq.hpd[1] = false; 876 break; 877 case RADEON_HPD_3: 878 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0); 879 rdev->irq.hpd[2] = false; 880 break; 881 default: 882 break; 883 } 884 } 885 } 886 } 887 888 /* 889 * R600 PCIE GART 890 */ 891 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev) 892 { 893 unsigned i; 894 u32 tmp; 895 896 /* flush hdp cache so updates hit vram */ 897 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 898 !(rdev->flags & RADEON_IS_AGP)) { 899 void __iomem *ptr = (void *)rdev->gart.table.vram.ptr; 900 u32 tmp; 901 902 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 903 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL 904 * This seems to cause problems on some AGP cards. Just use the old 905 * method for them. 906 */ 907 WREG32(HDP_DEBUG1, 0); 908 tmp = readl((void __iomem *)ptr); 909 } else 910 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 911 912 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12); 913 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12); 914 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); 915 for (i = 0; i < rdev->usec_timeout; i++) { 916 /* read MC_STATUS */ 917 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); 918 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; 919 if (tmp == 2) { 920 printk(KERN_WARNING "[drm] r600 flush TLB failed\n"); 921 return; 922 } 923 if (tmp) { 924 return; 925 } 926 udelay(1); 927 } 928 } 929 930 int r600_pcie_gart_init(struct radeon_device *rdev) 931 { 932 int r; 933 934 if (rdev->gart.table.vram.robj) { 935 WARN(1, "R600 PCIE GART already initialized\n"); 936 return 0; 937 } 938 /* Initialize common gart structure */ 939 r = radeon_gart_init(rdev); 940 if (r) 941 return r; 942 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; 943 return radeon_gart_table_vram_alloc(rdev); 944 } 945 946 int r600_pcie_gart_enable(struct radeon_device *rdev) 947 { 948 u32 tmp; 949 int r, i; 950 951 if (rdev->gart.table.vram.robj == NULL) { 952 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 953 return -EINVAL; 954 } 955 r = radeon_gart_table_vram_pin(rdev); 956 if (r) 957 return r; 958 radeon_gart_restore(rdev); 959 960 /* Setup L2 cache */ 961 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 962 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 963 EFFECTIVE_L2_QUEUE_SIZE(7)); 964 WREG32(VM_L2_CNTL2, 0); 965 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 966 /* Setup TLB control */ 967 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 968 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 969 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 970 ENABLE_WAIT_L2_QUERY; 971 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 972 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 973 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 974 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 975 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 976 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 977 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 978 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 979 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 980 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 981 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 982 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 983 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 984 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 985 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 986 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 987 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 988 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 989 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 990 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 991 (u32)(rdev->dummy_page.addr >> 12)); 992 for (i = 1; i < 7; i++) 993 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 994 995 r600_pcie_gart_tlb_flush(rdev); 996 rdev->gart.ready = true; 997 return 0; 998 } 999 1000 void r600_pcie_gart_disable(struct radeon_device *rdev) 1001 { 1002 u32 tmp; 1003 int i, r; 1004 1005 /* Disable all tables */ 1006 for (i = 0; i < 7; i++) 1007 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1008 1009 /* Disable L2 cache */ 1010 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | 1011 EFFECTIVE_L2_QUEUE_SIZE(7)); 1012 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1013 /* Setup L1 TLB control */ 1014 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1015 ENABLE_WAIT_L2_QUERY; 1016 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1017 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1018 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1019 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1020 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1021 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1022 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1023 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1024 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp); 1025 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp); 1026 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1027 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1028 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp); 1029 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1030 if (rdev->gart.table.vram.robj) { 1031 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false); 1032 if (likely(r == 0)) { 1033 radeon_bo_kunmap(rdev->gart.table.vram.robj); 1034 radeon_bo_unpin(rdev->gart.table.vram.robj); 1035 radeon_bo_unreserve(rdev->gart.table.vram.robj); 1036 } 1037 } 1038 } 1039 1040 void r600_pcie_gart_fini(struct radeon_device *rdev) 1041 { 1042 radeon_gart_fini(rdev); 1043 r600_pcie_gart_disable(rdev); 1044 radeon_gart_table_vram_free(rdev); 1045 } 1046 1047 void r600_agp_enable(struct radeon_device *rdev) 1048 { 1049 u32 tmp; 1050 int i; 1051 1052 /* Setup L2 cache */ 1053 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 1054 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1055 EFFECTIVE_L2_QUEUE_SIZE(7)); 1056 WREG32(VM_L2_CNTL2, 0); 1057 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1058 /* Setup TLB control */ 1059 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1060 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1061 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1062 ENABLE_WAIT_L2_QUERY; 1063 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1064 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1065 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 1066 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1067 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1068 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1069 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1070 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1071 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1072 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1073 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1074 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1075 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1076 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1077 for (i = 0; i < 7; i++) 1078 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1079 } 1080 1081 int r600_mc_wait_for_idle(struct radeon_device *rdev) 1082 { 1083 unsigned i; 1084 u32 tmp; 1085 1086 for (i = 0; i < rdev->usec_timeout; i++) { 1087 /* read MC_STATUS */ 1088 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00; 1089 if (!tmp) 1090 return 0; 1091 udelay(1); 1092 } 1093 return -1; 1094 } 1095 1096 static void r600_mc_program(struct radeon_device *rdev) 1097 { 1098 struct rv515_mc_save save; 1099 u32 tmp; 1100 int i, j; 1101 1102 /* Initialize HDP */ 1103 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1104 WREG32((0x2c14 + j), 0x00000000); 1105 WREG32((0x2c18 + j), 0x00000000); 1106 WREG32((0x2c1c + j), 0x00000000); 1107 WREG32((0x2c20 + j), 0x00000000); 1108 WREG32((0x2c24 + j), 0x00000000); 1109 } 1110 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); 1111 1112 rv515_mc_stop(rdev, &save); 1113 if (r600_mc_wait_for_idle(rdev)) { 1114 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1115 } 1116 /* Lockout access through VGA aperture (doesn't exist before R600) */ 1117 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); 1118 /* Update configuration */ 1119 if (rdev->flags & RADEON_IS_AGP) { 1120 if (rdev->mc.vram_start < rdev->mc.gtt_start) { 1121 /* VRAM before AGP */ 1122 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1123 rdev->mc.vram_start >> 12); 1124 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1125 rdev->mc.gtt_end >> 12); 1126 } else { 1127 /* VRAM after AGP */ 1128 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1129 rdev->mc.gtt_start >> 12); 1130 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1131 rdev->mc.vram_end >> 12); 1132 } 1133 } else { 1134 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); 1135 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12); 1136 } 1137 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0); 1138 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; 1139 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); 1140 WREG32(MC_VM_FB_LOCATION, tmp); 1141 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); 1142 WREG32(HDP_NONSURFACE_INFO, (2 << 7)); 1143 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); 1144 if (rdev->flags & RADEON_IS_AGP) { 1145 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22); 1146 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22); 1147 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); 1148 } else { 1149 WREG32(MC_VM_AGP_BASE, 0); 1150 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); 1151 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); 1152 } 1153 if (r600_mc_wait_for_idle(rdev)) { 1154 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1155 } 1156 rv515_mc_resume(rdev, &save); 1157 /* we need to own VRAM, so turn off the VGA renderer here 1158 * to stop it overwriting our objects */ 1159 rv515_vga_render_disable(rdev); 1160 } 1161 1162 /** 1163 * r600_vram_gtt_location - try to find VRAM & GTT location 1164 * @rdev: radeon device structure holding all necessary informations 1165 * @mc: memory controller structure holding memory informations 1166 * 1167 * Function will place try to place VRAM at same place as in CPU (PCI) 1168 * address space as some GPU seems to have issue when we reprogram at 1169 * different address space. 1170 * 1171 * If there is not enough space to fit the unvisible VRAM after the 1172 * aperture then we limit the VRAM size to the aperture. 1173 * 1174 * If we are using AGP then place VRAM adjacent to AGP aperture are we need 1175 * them to be in one from GPU point of view so that we can program GPU to 1176 * catch access outside them (weird GPU policy see ??). 1177 * 1178 * This function will never fails, worst case are limiting VRAM or GTT. 1179 * 1180 * Note: GTT start, end, size should be initialized before calling this 1181 * function on AGP platform. 1182 */ 1183 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) 1184 { 1185 u64 size_bf, size_af; 1186 1187 if (mc->mc_vram_size > 0xE0000000) { 1188 /* leave room for at least 512M GTT */ 1189 dev_warn(rdev->dev, "limiting VRAM\n"); 1190 mc->real_vram_size = 0xE0000000; 1191 mc->mc_vram_size = 0xE0000000; 1192 } 1193 if (rdev->flags & RADEON_IS_AGP) { 1194 size_bf = mc->gtt_start; 1195 size_af = 0xFFFFFFFF - mc->gtt_end + 1; 1196 if (size_bf > size_af) { 1197 if (mc->mc_vram_size > size_bf) { 1198 dev_warn(rdev->dev, "limiting VRAM\n"); 1199 mc->real_vram_size = size_bf; 1200 mc->mc_vram_size = size_bf; 1201 } 1202 mc->vram_start = mc->gtt_start - mc->mc_vram_size; 1203 } else { 1204 if (mc->mc_vram_size > size_af) { 1205 dev_warn(rdev->dev, "limiting VRAM\n"); 1206 mc->real_vram_size = size_af; 1207 mc->mc_vram_size = size_af; 1208 } 1209 mc->vram_start = mc->gtt_end; 1210 } 1211 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; 1212 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n", 1213 mc->mc_vram_size >> 20, mc->vram_start, 1214 mc->vram_end, mc->real_vram_size >> 20); 1215 } else { 1216 u64 base = 0; 1217 if (rdev->flags & RADEON_IS_IGP) { 1218 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF; 1219 base <<= 24; 1220 } 1221 radeon_vram_location(rdev, &rdev->mc, base); 1222 rdev->mc.gtt_base_align = 0; 1223 radeon_gtt_location(rdev, mc); 1224 } 1225 } 1226 1227 int r600_mc_init(struct radeon_device *rdev) 1228 { 1229 u32 tmp; 1230 int chansize, numchan; 1231 1232 /* Get VRAM informations */ 1233 rdev->mc.vram_is_ddr = true; 1234 tmp = RREG32(RAMCFG); 1235 if (tmp & CHANSIZE_OVERRIDE) { 1236 chansize = 16; 1237 } else if (tmp & CHANSIZE_MASK) { 1238 chansize = 64; 1239 } else { 1240 chansize = 32; 1241 } 1242 tmp = RREG32(CHMAP); 1243 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 1244 case 0: 1245 default: 1246 numchan = 1; 1247 break; 1248 case 1: 1249 numchan = 2; 1250 break; 1251 case 2: 1252 numchan = 4; 1253 break; 1254 case 3: 1255 numchan = 8; 1256 break; 1257 } 1258 rdev->mc.vram_width = numchan * chansize; 1259 /* Could aper size report 0 ? */ 1260 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 1261 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 1262 /* Setup GPU memory space */ 1263 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); 1264 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); 1265 rdev->mc.visible_vram_size = rdev->mc.aper_size; 1266 r600_vram_gtt_location(rdev, &rdev->mc); 1267 1268 if (rdev->flags & RADEON_IS_IGP) { 1269 rs690_pm_info(rdev); 1270 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); 1271 } 1272 radeon_update_bandwidth_info(rdev); 1273 return 0; 1274 } 1275 1276 /* We doesn't check that the GPU really needs a reset we simply do the 1277 * reset, it's up to the caller to determine if the GPU needs one. We 1278 * might add an helper function to check that. 1279 */ 1280 int r600_gpu_soft_reset(struct radeon_device *rdev) 1281 { 1282 struct rv515_mc_save save; 1283 u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) | 1284 S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) | 1285 S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) | 1286 S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) | 1287 S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) | 1288 S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) | 1289 S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) | 1290 S_008010_GUI_ACTIVE(1); 1291 u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) | 1292 S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) | 1293 S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) | 1294 S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) | 1295 S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) | 1296 S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) | 1297 S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) | 1298 S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1); 1299 u32 tmp; 1300 1301 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) 1302 return 0; 1303 1304 dev_info(rdev->dev, "GPU softreset \n"); 1305 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", 1306 RREG32(R_008010_GRBM_STATUS)); 1307 dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", 1308 RREG32(R_008014_GRBM_STATUS2)); 1309 dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", 1310 RREG32(R_000E50_SRBM_STATUS)); 1311 rv515_mc_stop(rdev, &save); 1312 if (r600_mc_wait_for_idle(rdev)) { 1313 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1314 } 1315 /* Disable CP parsing/prefetching */ 1316 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1317 /* Check if any of the rendering block is busy and reset it */ 1318 if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) || 1319 (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) { 1320 tmp = S_008020_SOFT_RESET_CR(1) | 1321 S_008020_SOFT_RESET_DB(1) | 1322 S_008020_SOFT_RESET_CB(1) | 1323 S_008020_SOFT_RESET_PA(1) | 1324 S_008020_SOFT_RESET_SC(1) | 1325 S_008020_SOFT_RESET_SMX(1) | 1326 S_008020_SOFT_RESET_SPI(1) | 1327 S_008020_SOFT_RESET_SX(1) | 1328 S_008020_SOFT_RESET_SH(1) | 1329 S_008020_SOFT_RESET_TC(1) | 1330 S_008020_SOFT_RESET_TA(1) | 1331 S_008020_SOFT_RESET_VC(1) | 1332 S_008020_SOFT_RESET_VGT(1); 1333 dev_info(rdev->dev, " R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); 1334 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1335 RREG32(R_008020_GRBM_SOFT_RESET); 1336 mdelay(15); 1337 WREG32(R_008020_GRBM_SOFT_RESET, 0); 1338 } 1339 /* Reset CP (we always reset CP) */ 1340 tmp = S_008020_SOFT_RESET_CP(1); 1341 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); 1342 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1343 RREG32(R_008020_GRBM_SOFT_RESET); 1344 mdelay(15); 1345 WREG32(R_008020_GRBM_SOFT_RESET, 0); 1346 /* Wait a little for things to settle down */ 1347 mdelay(1); 1348 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", 1349 RREG32(R_008010_GRBM_STATUS)); 1350 dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", 1351 RREG32(R_008014_GRBM_STATUS2)); 1352 dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", 1353 RREG32(R_000E50_SRBM_STATUS)); 1354 rv515_mc_resume(rdev, &save); 1355 return 0; 1356 } 1357 1358 bool r600_gpu_is_lockup(struct radeon_device *rdev) 1359 { 1360 u32 srbm_status; 1361 u32 grbm_status; 1362 u32 grbm_status2; 1363 struct r100_gpu_lockup *lockup; 1364 int r; 1365 1366 if (rdev->family >= CHIP_RV770) 1367 lockup = &rdev->config.rv770.lockup; 1368 else 1369 lockup = &rdev->config.r600.lockup; 1370 1371 srbm_status = RREG32(R_000E50_SRBM_STATUS); 1372 grbm_status = RREG32(R_008010_GRBM_STATUS); 1373 grbm_status2 = RREG32(R_008014_GRBM_STATUS2); 1374 if (!G_008010_GUI_ACTIVE(grbm_status)) { 1375 r100_gpu_lockup_update(lockup, &rdev->cp); 1376 return false; 1377 } 1378 /* force CP activities */ 1379 r = radeon_ring_lock(rdev, 2); 1380 if (!r) { 1381 /* PACKET2 NOP */ 1382 radeon_ring_write(rdev, 0x80000000); 1383 radeon_ring_write(rdev, 0x80000000); 1384 radeon_ring_unlock_commit(rdev); 1385 } 1386 rdev->cp.rptr = RREG32(R600_CP_RB_RPTR); 1387 return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp); 1388 } 1389 1390 int r600_asic_reset(struct radeon_device *rdev) 1391 { 1392 return r600_gpu_soft_reset(rdev); 1393 } 1394 1395 static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes, 1396 u32 num_backends, 1397 u32 backend_disable_mask) 1398 { 1399 u32 backend_map = 0; 1400 u32 enabled_backends_mask; 1401 u32 enabled_backends_count; 1402 u32 cur_pipe; 1403 u32 swizzle_pipe[R6XX_MAX_PIPES]; 1404 u32 cur_backend; 1405 u32 i; 1406 1407 if (num_tile_pipes > R6XX_MAX_PIPES) 1408 num_tile_pipes = R6XX_MAX_PIPES; 1409 if (num_tile_pipes < 1) 1410 num_tile_pipes = 1; 1411 if (num_backends > R6XX_MAX_BACKENDS) 1412 num_backends = R6XX_MAX_BACKENDS; 1413 if (num_backends < 1) 1414 num_backends = 1; 1415 1416 enabled_backends_mask = 0; 1417 enabled_backends_count = 0; 1418 for (i = 0; i < R6XX_MAX_BACKENDS; ++i) { 1419 if (((backend_disable_mask >> i) & 1) == 0) { 1420 enabled_backends_mask |= (1 << i); 1421 ++enabled_backends_count; 1422 } 1423 if (enabled_backends_count == num_backends) 1424 break; 1425 } 1426 1427 if (enabled_backends_count == 0) { 1428 enabled_backends_mask = 1; 1429 enabled_backends_count = 1; 1430 } 1431 1432 if (enabled_backends_count != num_backends) 1433 num_backends = enabled_backends_count; 1434 1435 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES); 1436 switch (num_tile_pipes) { 1437 case 1: 1438 swizzle_pipe[0] = 0; 1439 break; 1440 case 2: 1441 swizzle_pipe[0] = 0; 1442 swizzle_pipe[1] = 1; 1443 break; 1444 case 3: 1445 swizzle_pipe[0] = 0; 1446 swizzle_pipe[1] = 1; 1447 swizzle_pipe[2] = 2; 1448 break; 1449 case 4: 1450 swizzle_pipe[0] = 0; 1451 swizzle_pipe[1] = 1; 1452 swizzle_pipe[2] = 2; 1453 swizzle_pipe[3] = 3; 1454 break; 1455 case 5: 1456 swizzle_pipe[0] = 0; 1457 swizzle_pipe[1] = 1; 1458 swizzle_pipe[2] = 2; 1459 swizzle_pipe[3] = 3; 1460 swizzle_pipe[4] = 4; 1461 break; 1462 case 6: 1463 swizzle_pipe[0] = 0; 1464 swizzle_pipe[1] = 2; 1465 swizzle_pipe[2] = 4; 1466 swizzle_pipe[3] = 5; 1467 swizzle_pipe[4] = 1; 1468 swizzle_pipe[5] = 3; 1469 break; 1470 case 7: 1471 swizzle_pipe[0] = 0; 1472 swizzle_pipe[1] = 2; 1473 swizzle_pipe[2] = 4; 1474 swizzle_pipe[3] = 6; 1475 swizzle_pipe[4] = 1; 1476 swizzle_pipe[5] = 3; 1477 swizzle_pipe[6] = 5; 1478 break; 1479 case 8: 1480 swizzle_pipe[0] = 0; 1481 swizzle_pipe[1] = 2; 1482 swizzle_pipe[2] = 4; 1483 swizzle_pipe[3] = 6; 1484 swizzle_pipe[4] = 1; 1485 swizzle_pipe[5] = 3; 1486 swizzle_pipe[6] = 5; 1487 swizzle_pipe[7] = 7; 1488 break; 1489 } 1490 1491 cur_backend = 0; 1492 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) { 1493 while (((1 << cur_backend) & enabled_backends_mask) == 0) 1494 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS; 1495 1496 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2))); 1497 1498 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS; 1499 } 1500 1501 return backend_map; 1502 } 1503 1504 int r600_count_pipe_bits(uint32_t val) 1505 { 1506 int i, ret = 0; 1507 1508 for (i = 0; i < 32; i++) { 1509 ret += val & 1; 1510 val >>= 1; 1511 } 1512 return ret; 1513 } 1514 1515 void r600_gpu_init(struct radeon_device *rdev) 1516 { 1517 u32 tiling_config; 1518 u32 ramcfg; 1519 u32 backend_map; 1520 u32 cc_rb_backend_disable; 1521 u32 cc_gc_shader_pipe_config; 1522 u32 tmp; 1523 int i, j; 1524 u32 sq_config; 1525 u32 sq_gpr_resource_mgmt_1 = 0; 1526 u32 sq_gpr_resource_mgmt_2 = 0; 1527 u32 sq_thread_resource_mgmt = 0; 1528 u32 sq_stack_resource_mgmt_1 = 0; 1529 u32 sq_stack_resource_mgmt_2 = 0; 1530 1531 /* FIXME: implement */ 1532 switch (rdev->family) { 1533 case CHIP_R600: 1534 rdev->config.r600.max_pipes = 4; 1535 rdev->config.r600.max_tile_pipes = 8; 1536 rdev->config.r600.max_simds = 4; 1537 rdev->config.r600.max_backends = 4; 1538 rdev->config.r600.max_gprs = 256; 1539 rdev->config.r600.max_threads = 192; 1540 rdev->config.r600.max_stack_entries = 256; 1541 rdev->config.r600.max_hw_contexts = 8; 1542 rdev->config.r600.max_gs_threads = 16; 1543 rdev->config.r600.sx_max_export_size = 128; 1544 rdev->config.r600.sx_max_export_pos_size = 16; 1545 rdev->config.r600.sx_max_export_smx_size = 128; 1546 rdev->config.r600.sq_num_cf_insts = 2; 1547 break; 1548 case CHIP_RV630: 1549 case CHIP_RV635: 1550 rdev->config.r600.max_pipes = 2; 1551 rdev->config.r600.max_tile_pipes = 2; 1552 rdev->config.r600.max_simds = 3; 1553 rdev->config.r600.max_backends = 1; 1554 rdev->config.r600.max_gprs = 128; 1555 rdev->config.r600.max_threads = 192; 1556 rdev->config.r600.max_stack_entries = 128; 1557 rdev->config.r600.max_hw_contexts = 8; 1558 rdev->config.r600.max_gs_threads = 4; 1559 rdev->config.r600.sx_max_export_size = 128; 1560 rdev->config.r600.sx_max_export_pos_size = 16; 1561 rdev->config.r600.sx_max_export_smx_size = 128; 1562 rdev->config.r600.sq_num_cf_insts = 2; 1563 break; 1564 case CHIP_RV610: 1565 case CHIP_RV620: 1566 case CHIP_RS780: 1567 case CHIP_RS880: 1568 rdev->config.r600.max_pipes = 1; 1569 rdev->config.r600.max_tile_pipes = 1; 1570 rdev->config.r600.max_simds = 2; 1571 rdev->config.r600.max_backends = 1; 1572 rdev->config.r600.max_gprs = 128; 1573 rdev->config.r600.max_threads = 192; 1574 rdev->config.r600.max_stack_entries = 128; 1575 rdev->config.r600.max_hw_contexts = 4; 1576 rdev->config.r600.max_gs_threads = 4; 1577 rdev->config.r600.sx_max_export_size = 128; 1578 rdev->config.r600.sx_max_export_pos_size = 16; 1579 rdev->config.r600.sx_max_export_smx_size = 128; 1580 rdev->config.r600.sq_num_cf_insts = 1; 1581 break; 1582 case CHIP_RV670: 1583 rdev->config.r600.max_pipes = 4; 1584 rdev->config.r600.max_tile_pipes = 4; 1585 rdev->config.r600.max_simds = 4; 1586 rdev->config.r600.max_backends = 4; 1587 rdev->config.r600.max_gprs = 192; 1588 rdev->config.r600.max_threads = 192; 1589 rdev->config.r600.max_stack_entries = 256; 1590 rdev->config.r600.max_hw_contexts = 8; 1591 rdev->config.r600.max_gs_threads = 16; 1592 rdev->config.r600.sx_max_export_size = 128; 1593 rdev->config.r600.sx_max_export_pos_size = 16; 1594 rdev->config.r600.sx_max_export_smx_size = 128; 1595 rdev->config.r600.sq_num_cf_insts = 2; 1596 break; 1597 default: 1598 break; 1599 } 1600 1601 /* Initialize HDP */ 1602 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1603 WREG32((0x2c14 + j), 0x00000000); 1604 WREG32((0x2c18 + j), 0x00000000); 1605 WREG32((0x2c1c + j), 0x00000000); 1606 WREG32((0x2c20 + j), 0x00000000); 1607 WREG32((0x2c24 + j), 0x00000000); 1608 } 1609 1610 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 1611 1612 /* Setup tiling */ 1613 tiling_config = 0; 1614 ramcfg = RREG32(RAMCFG); 1615 switch (rdev->config.r600.max_tile_pipes) { 1616 case 1: 1617 tiling_config |= PIPE_TILING(0); 1618 break; 1619 case 2: 1620 tiling_config |= PIPE_TILING(1); 1621 break; 1622 case 4: 1623 tiling_config |= PIPE_TILING(2); 1624 break; 1625 case 8: 1626 tiling_config |= PIPE_TILING(3); 1627 break; 1628 default: 1629 break; 1630 } 1631 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes; 1632 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1633 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1634 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); 1635 if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) 1636 rdev->config.r600.tiling_group_size = 512; 1637 else 1638 rdev->config.r600.tiling_group_size = 256; 1639 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT; 1640 if (tmp > 3) { 1641 tiling_config |= ROW_TILING(3); 1642 tiling_config |= SAMPLE_SPLIT(3); 1643 } else { 1644 tiling_config |= ROW_TILING(tmp); 1645 tiling_config |= SAMPLE_SPLIT(tmp); 1646 } 1647 tiling_config |= BANK_SWAPS(1); 1648 1649 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000; 1650 cc_rb_backend_disable |= 1651 BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK); 1652 1653 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00; 1654 cc_gc_shader_pipe_config |= 1655 INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK); 1656 cc_gc_shader_pipe_config |= 1657 INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK); 1658 1659 backend_map = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes, 1660 (R6XX_MAX_BACKENDS - 1661 r600_count_pipe_bits((cc_rb_backend_disable & 1662 R6XX_MAX_BACKENDS_MASK) >> 16)), 1663 (cc_rb_backend_disable >> 16)); 1664 rdev->config.r600.tile_config = tiling_config; 1665 rdev->config.r600.backend_map = backend_map; 1666 tiling_config |= BACKEND_MAP(backend_map); 1667 WREG32(GB_TILING_CONFIG, tiling_config); 1668 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff); 1669 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff); 1670 1671 /* Setup pipes */ 1672 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable); 1673 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config); 1674 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config); 1675 1676 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8); 1677 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK); 1678 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK); 1679 1680 /* Setup some CP states */ 1681 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b))); 1682 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40))); 1683 1684 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT | 1685 SYNC_WALKER | SYNC_ALIGNER)); 1686 /* Setup various GPU states */ 1687 if (rdev->family == CHIP_RV670) 1688 WREG32(ARB_GDEC_RD_CNTL, 0x00000021); 1689 1690 tmp = RREG32(SX_DEBUG_1); 1691 tmp |= SMX_EVENT_RELEASE; 1692 if ((rdev->family > CHIP_R600)) 1693 tmp |= ENABLE_NEW_SMX_ADDRESS; 1694 WREG32(SX_DEBUG_1, tmp); 1695 1696 if (((rdev->family) == CHIP_R600) || 1697 ((rdev->family) == CHIP_RV630) || 1698 ((rdev->family) == CHIP_RV610) || 1699 ((rdev->family) == CHIP_RV620) || 1700 ((rdev->family) == CHIP_RS780) || 1701 ((rdev->family) == CHIP_RS880)) { 1702 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE); 1703 } else { 1704 WREG32(DB_DEBUG, 0); 1705 } 1706 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) | 1707 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4))); 1708 1709 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 1710 WREG32(VGT_NUM_INSTANCES, 0); 1711 1712 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0)); 1713 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0)); 1714 1715 tmp = RREG32(SQ_MS_FIFO_SIZES); 1716 if (((rdev->family) == CHIP_RV610) || 1717 ((rdev->family) == CHIP_RV620) || 1718 ((rdev->family) == CHIP_RS780) || 1719 ((rdev->family) == CHIP_RS880)) { 1720 tmp = (CACHE_FIFO_SIZE(0xa) | 1721 FETCH_FIFO_HIWATER(0xa) | 1722 DONE_FIFO_HIWATER(0xe0) | 1723 ALU_UPDATE_FIFO_HIWATER(0x8)); 1724 } else if (((rdev->family) == CHIP_R600) || 1725 ((rdev->family) == CHIP_RV630)) { 1726 tmp &= ~DONE_FIFO_HIWATER(0xff); 1727 tmp |= DONE_FIFO_HIWATER(0x4); 1728 } 1729 WREG32(SQ_MS_FIFO_SIZES, tmp); 1730 1731 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT 1732 * should be adjusted as needed by the 2D/3D drivers. This just sets default values 1733 */ 1734 sq_config = RREG32(SQ_CONFIG); 1735 sq_config &= ~(PS_PRIO(3) | 1736 VS_PRIO(3) | 1737 GS_PRIO(3) | 1738 ES_PRIO(3)); 1739 sq_config |= (DX9_CONSTS | 1740 VC_ENABLE | 1741 PS_PRIO(0) | 1742 VS_PRIO(1) | 1743 GS_PRIO(2) | 1744 ES_PRIO(3)); 1745 1746 if ((rdev->family) == CHIP_R600) { 1747 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) | 1748 NUM_VS_GPRS(124) | 1749 NUM_CLAUSE_TEMP_GPRS(4)); 1750 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) | 1751 NUM_ES_GPRS(0)); 1752 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) | 1753 NUM_VS_THREADS(48) | 1754 NUM_GS_THREADS(4) | 1755 NUM_ES_THREADS(4)); 1756 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) | 1757 NUM_VS_STACK_ENTRIES(128)); 1758 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) | 1759 NUM_ES_STACK_ENTRIES(0)); 1760 } else if (((rdev->family) == CHIP_RV610) || 1761 ((rdev->family) == CHIP_RV620) || 1762 ((rdev->family) == CHIP_RS780) || 1763 ((rdev->family) == CHIP_RS880)) { 1764 /* no vertex cache */ 1765 sq_config &= ~VC_ENABLE; 1766 1767 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 1768 NUM_VS_GPRS(44) | 1769 NUM_CLAUSE_TEMP_GPRS(2)); 1770 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 1771 NUM_ES_GPRS(17)); 1772 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 1773 NUM_VS_THREADS(78) | 1774 NUM_GS_THREADS(4) | 1775 NUM_ES_THREADS(31)); 1776 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 1777 NUM_VS_STACK_ENTRIES(40)); 1778 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 1779 NUM_ES_STACK_ENTRIES(16)); 1780 } else if (((rdev->family) == CHIP_RV630) || 1781 ((rdev->family) == CHIP_RV635)) { 1782 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 1783 NUM_VS_GPRS(44) | 1784 NUM_CLAUSE_TEMP_GPRS(2)); 1785 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) | 1786 NUM_ES_GPRS(18)); 1787 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 1788 NUM_VS_THREADS(78) | 1789 NUM_GS_THREADS(4) | 1790 NUM_ES_THREADS(31)); 1791 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 1792 NUM_VS_STACK_ENTRIES(40)); 1793 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 1794 NUM_ES_STACK_ENTRIES(16)); 1795 } else if ((rdev->family) == CHIP_RV670) { 1796 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 1797 NUM_VS_GPRS(44) | 1798 NUM_CLAUSE_TEMP_GPRS(2)); 1799 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 1800 NUM_ES_GPRS(17)); 1801 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 1802 NUM_VS_THREADS(78) | 1803 NUM_GS_THREADS(4) | 1804 NUM_ES_THREADS(31)); 1805 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) | 1806 NUM_VS_STACK_ENTRIES(64)); 1807 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) | 1808 NUM_ES_STACK_ENTRIES(64)); 1809 } 1810 1811 WREG32(SQ_CONFIG, sq_config); 1812 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); 1813 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); 1814 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); 1815 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); 1816 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); 1817 1818 if (((rdev->family) == CHIP_RV610) || 1819 ((rdev->family) == CHIP_RV620) || 1820 ((rdev->family) == CHIP_RS780) || 1821 ((rdev->family) == CHIP_RS880)) { 1822 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY)); 1823 } else { 1824 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC)); 1825 } 1826 1827 /* More default values. 2D/3D driver should adjust as needed */ 1828 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) | 1829 S1_X(0x4) | S1_Y(0xc))); 1830 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) | 1831 S1_X(0x2) | S1_Y(0x2) | 1832 S2_X(0xa) | S2_Y(0x6) | 1833 S3_X(0x6) | S3_Y(0xa))); 1834 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) | 1835 S1_X(0x4) | S1_Y(0xc) | 1836 S2_X(0x1) | S2_Y(0x6) | 1837 S3_X(0xa) | S3_Y(0xe))); 1838 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) | 1839 S5_X(0x0) | S5_Y(0x0) | 1840 S6_X(0xb) | S6_Y(0x4) | 1841 S7_X(0x7) | S7_Y(0x8))); 1842 1843 WREG32(VGT_STRMOUT_EN, 0); 1844 tmp = rdev->config.r600.max_pipes * 16; 1845 switch (rdev->family) { 1846 case CHIP_RV610: 1847 case CHIP_RV620: 1848 case CHIP_RS780: 1849 case CHIP_RS880: 1850 tmp += 32; 1851 break; 1852 case CHIP_RV670: 1853 tmp += 128; 1854 break; 1855 default: 1856 break; 1857 } 1858 if (tmp > 256) { 1859 tmp = 256; 1860 } 1861 WREG32(VGT_ES_PER_GS, 128); 1862 WREG32(VGT_GS_PER_ES, tmp); 1863 WREG32(VGT_GS_PER_VS, 2); 1864 WREG32(VGT_GS_VERTEX_REUSE, 16); 1865 1866 /* more default values. 2D/3D driver should adjust as needed */ 1867 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 1868 WREG32(VGT_STRMOUT_EN, 0); 1869 WREG32(SX_MISC, 0); 1870 WREG32(PA_SC_MODE_CNTL, 0); 1871 WREG32(PA_SC_AA_CONFIG, 0); 1872 WREG32(PA_SC_LINE_STIPPLE, 0); 1873 WREG32(SPI_INPUT_Z, 0); 1874 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2)); 1875 WREG32(CB_COLOR7_FRAG, 0); 1876 1877 /* Clear render buffer base addresses */ 1878 WREG32(CB_COLOR0_BASE, 0); 1879 WREG32(CB_COLOR1_BASE, 0); 1880 WREG32(CB_COLOR2_BASE, 0); 1881 WREG32(CB_COLOR3_BASE, 0); 1882 WREG32(CB_COLOR4_BASE, 0); 1883 WREG32(CB_COLOR5_BASE, 0); 1884 WREG32(CB_COLOR6_BASE, 0); 1885 WREG32(CB_COLOR7_BASE, 0); 1886 WREG32(CB_COLOR7_FRAG, 0); 1887 1888 switch (rdev->family) { 1889 case CHIP_RV610: 1890 case CHIP_RV620: 1891 case CHIP_RS780: 1892 case CHIP_RS880: 1893 tmp = TC_L2_SIZE(8); 1894 break; 1895 case CHIP_RV630: 1896 case CHIP_RV635: 1897 tmp = TC_L2_SIZE(4); 1898 break; 1899 case CHIP_R600: 1900 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT; 1901 break; 1902 default: 1903 tmp = TC_L2_SIZE(0); 1904 break; 1905 } 1906 WREG32(TC_CNTL, tmp); 1907 1908 tmp = RREG32(HDP_HOST_PATH_CNTL); 1909 WREG32(HDP_HOST_PATH_CNTL, tmp); 1910 1911 tmp = RREG32(ARB_POP); 1912 tmp |= ENABLE_TC128; 1913 WREG32(ARB_POP, tmp); 1914 1915 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 1916 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA | 1917 NUM_CLIP_SEQ(3))); 1918 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095)); 1919 } 1920 1921 1922 /* 1923 * Indirect registers accessor 1924 */ 1925 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg) 1926 { 1927 u32 r; 1928 1929 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 1930 (void)RREG32(PCIE_PORT_INDEX); 1931 r = RREG32(PCIE_PORT_DATA); 1932 return r; 1933 } 1934 1935 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) 1936 { 1937 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 1938 (void)RREG32(PCIE_PORT_INDEX); 1939 WREG32(PCIE_PORT_DATA, (v)); 1940 (void)RREG32(PCIE_PORT_DATA); 1941 } 1942 1943 /* 1944 * CP & Ring 1945 */ 1946 void r600_cp_stop(struct radeon_device *rdev) 1947 { 1948 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 1949 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1950 WREG32(SCRATCH_UMSK, 0); 1951 } 1952 1953 int r600_init_microcode(struct radeon_device *rdev) 1954 { 1955 struct platform_device *pdev; 1956 const char *chip_name; 1957 const char *rlc_chip_name; 1958 size_t pfp_req_size, me_req_size, rlc_req_size; 1959 char fw_name[30]; 1960 int err; 1961 1962 DRM_DEBUG("\n"); 1963 1964 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0); 1965 err = IS_ERR(pdev); 1966 if (err) { 1967 printk(KERN_ERR "radeon_cp: Failed to register firmware\n"); 1968 return -EINVAL; 1969 } 1970 1971 switch (rdev->family) { 1972 case CHIP_R600: 1973 chip_name = "R600"; 1974 rlc_chip_name = "R600"; 1975 break; 1976 case CHIP_RV610: 1977 chip_name = "RV610"; 1978 rlc_chip_name = "R600"; 1979 break; 1980 case CHIP_RV630: 1981 chip_name = "RV630"; 1982 rlc_chip_name = "R600"; 1983 break; 1984 case CHIP_RV620: 1985 chip_name = "RV620"; 1986 rlc_chip_name = "R600"; 1987 break; 1988 case CHIP_RV635: 1989 chip_name = "RV635"; 1990 rlc_chip_name = "R600"; 1991 break; 1992 case CHIP_RV670: 1993 chip_name = "RV670"; 1994 rlc_chip_name = "R600"; 1995 break; 1996 case CHIP_RS780: 1997 case CHIP_RS880: 1998 chip_name = "RS780"; 1999 rlc_chip_name = "R600"; 2000 break; 2001 case CHIP_RV770: 2002 chip_name = "RV770"; 2003 rlc_chip_name = "R700"; 2004 break; 2005 case CHIP_RV730: 2006 case CHIP_RV740: 2007 chip_name = "RV730"; 2008 rlc_chip_name = "R700"; 2009 break; 2010 case CHIP_RV710: 2011 chip_name = "RV710"; 2012 rlc_chip_name = "R700"; 2013 break; 2014 case CHIP_CEDAR: 2015 chip_name = "CEDAR"; 2016 rlc_chip_name = "CEDAR"; 2017 break; 2018 case CHIP_REDWOOD: 2019 chip_name = "REDWOOD"; 2020 rlc_chip_name = "REDWOOD"; 2021 break; 2022 case CHIP_JUNIPER: 2023 chip_name = "JUNIPER"; 2024 rlc_chip_name = "JUNIPER"; 2025 break; 2026 case CHIP_CYPRESS: 2027 case CHIP_HEMLOCK: 2028 chip_name = "CYPRESS"; 2029 rlc_chip_name = "CYPRESS"; 2030 break; 2031 case CHIP_PALM: 2032 chip_name = "PALM"; 2033 rlc_chip_name = "SUMO"; 2034 break; 2035 case CHIP_SUMO: 2036 chip_name = "SUMO"; 2037 rlc_chip_name = "SUMO"; 2038 break; 2039 case CHIP_SUMO2: 2040 chip_name = "SUMO2"; 2041 rlc_chip_name = "SUMO"; 2042 break; 2043 default: BUG(); 2044 } 2045 2046 if (rdev->family >= CHIP_CEDAR) { 2047 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 2048 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 2049 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 2050 } else if (rdev->family >= CHIP_RV770) { 2051 pfp_req_size = R700_PFP_UCODE_SIZE * 4; 2052 me_req_size = R700_PM4_UCODE_SIZE * 4; 2053 rlc_req_size = R700_RLC_UCODE_SIZE * 4; 2054 } else { 2055 pfp_req_size = PFP_UCODE_SIZE * 4; 2056 me_req_size = PM4_UCODE_SIZE * 12; 2057 rlc_req_size = RLC_UCODE_SIZE * 4; 2058 } 2059 2060 DRM_INFO("Loading %s Microcode\n", chip_name); 2061 2062 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); 2063 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev); 2064 if (err) 2065 goto out; 2066 if (rdev->pfp_fw->size != pfp_req_size) { 2067 printk(KERN_ERR 2068 "r600_cp: Bogus length %zu in firmware \"%s\"\n", 2069 rdev->pfp_fw->size, fw_name); 2070 err = -EINVAL; 2071 goto out; 2072 } 2073 2074 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); 2075 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev); 2076 if (err) 2077 goto out; 2078 if (rdev->me_fw->size != me_req_size) { 2079 printk(KERN_ERR 2080 "r600_cp: Bogus length %zu in firmware \"%s\"\n", 2081 rdev->me_fw->size, fw_name); 2082 err = -EINVAL; 2083 } 2084 2085 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); 2086 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev); 2087 if (err) 2088 goto out; 2089 if (rdev->rlc_fw->size != rlc_req_size) { 2090 printk(KERN_ERR 2091 "r600_rlc: Bogus length %zu in firmware \"%s\"\n", 2092 rdev->rlc_fw->size, fw_name); 2093 err = -EINVAL; 2094 } 2095 2096 out: 2097 platform_device_unregister(pdev); 2098 2099 if (err) { 2100 if (err != -EINVAL) 2101 printk(KERN_ERR 2102 "r600_cp: Failed to load firmware \"%s\"\n", 2103 fw_name); 2104 release_firmware(rdev->pfp_fw); 2105 rdev->pfp_fw = NULL; 2106 release_firmware(rdev->me_fw); 2107 rdev->me_fw = NULL; 2108 release_firmware(rdev->rlc_fw); 2109 rdev->rlc_fw = NULL; 2110 } 2111 return err; 2112 } 2113 2114 static int r600_cp_load_microcode(struct radeon_device *rdev) 2115 { 2116 const __be32 *fw_data; 2117 int i; 2118 2119 if (!rdev->me_fw || !rdev->pfp_fw) 2120 return -EINVAL; 2121 2122 r600_cp_stop(rdev); 2123 2124 WREG32(CP_RB_CNTL, 2125 #ifdef __BIG_ENDIAN 2126 BUF_SWAP_32BIT | 2127 #endif 2128 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); 2129 2130 /* Reset cp */ 2131 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2132 RREG32(GRBM_SOFT_RESET); 2133 mdelay(15); 2134 WREG32(GRBM_SOFT_RESET, 0); 2135 2136 WREG32(CP_ME_RAM_WADDR, 0); 2137 2138 fw_data = (const __be32 *)rdev->me_fw->data; 2139 WREG32(CP_ME_RAM_WADDR, 0); 2140 for (i = 0; i < PM4_UCODE_SIZE * 3; i++) 2141 WREG32(CP_ME_RAM_DATA, 2142 be32_to_cpup(fw_data++)); 2143 2144 fw_data = (const __be32 *)rdev->pfp_fw->data; 2145 WREG32(CP_PFP_UCODE_ADDR, 0); 2146 for (i = 0; i < PFP_UCODE_SIZE; i++) 2147 WREG32(CP_PFP_UCODE_DATA, 2148 be32_to_cpup(fw_data++)); 2149 2150 WREG32(CP_PFP_UCODE_ADDR, 0); 2151 WREG32(CP_ME_RAM_WADDR, 0); 2152 WREG32(CP_ME_RAM_RADDR, 0); 2153 return 0; 2154 } 2155 2156 int r600_cp_start(struct radeon_device *rdev) 2157 { 2158 int r; 2159 uint32_t cp_me; 2160 2161 r = radeon_ring_lock(rdev, 7); 2162 if (r) { 2163 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 2164 return r; 2165 } 2166 radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5)); 2167 radeon_ring_write(rdev, 0x1); 2168 if (rdev->family >= CHIP_RV770) { 2169 radeon_ring_write(rdev, 0x0); 2170 radeon_ring_write(rdev, rdev->config.rv770.max_hw_contexts - 1); 2171 } else { 2172 radeon_ring_write(rdev, 0x3); 2173 radeon_ring_write(rdev, rdev->config.r600.max_hw_contexts - 1); 2174 } 2175 radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 2176 radeon_ring_write(rdev, 0); 2177 radeon_ring_write(rdev, 0); 2178 radeon_ring_unlock_commit(rdev); 2179 2180 cp_me = 0xff; 2181 WREG32(R_0086D8_CP_ME_CNTL, cp_me); 2182 return 0; 2183 } 2184 2185 int r600_cp_resume(struct radeon_device *rdev) 2186 { 2187 u32 tmp; 2188 u32 rb_bufsz; 2189 int r; 2190 2191 /* Reset cp */ 2192 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2193 RREG32(GRBM_SOFT_RESET); 2194 mdelay(15); 2195 WREG32(GRBM_SOFT_RESET, 0); 2196 2197 /* Set ring buffer size */ 2198 rb_bufsz = drm_order(rdev->cp.ring_size / 8); 2199 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2200 #ifdef __BIG_ENDIAN 2201 tmp |= BUF_SWAP_32BIT; 2202 #endif 2203 WREG32(CP_RB_CNTL, tmp); 2204 WREG32(CP_SEM_WAIT_TIMER, 0x4); 2205 2206 /* Set the write pointer delay */ 2207 WREG32(CP_RB_WPTR_DELAY, 0); 2208 2209 /* Initialize the ring buffer's read and write pointers */ 2210 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); 2211 WREG32(CP_RB_RPTR_WR, 0); 2212 rdev->cp.wptr = 0; 2213 WREG32(CP_RB_WPTR, rdev->cp.wptr); 2214 2215 /* set the wb address whether it's enabled or not */ 2216 WREG32(CP_RB_RPTR_ADDR, 2217 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC)); 2218 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); 2219 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 2220 2221 if (rdev->wb.enabled) 2222 WREG32(SCRATCH_UMSK, 0xff); 2223 else { 2224 tmp |= RB_NO_UPDATE; 2225 WREG32(SCRATCH_UMSK, 0); 2226 } 2227 2228 mdelay(1); 2229 WREG32(CP_RB_CNTL, tmp); 2230 2231 WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8); 2232 WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); 2233 2234 rdev->cp.rptr = RREG32(CP_RB_RPTR); 2235 2236 r600_cp_start(rdev); 2237 rdev->cp.ready = true; 2238 r = radeon_ring_test(rdev); 2239 if (r) { 2240 rdev->cp.ready = false; 2241 return r; 2242 } 2243 return 0; 2244 } 2245 2246 void r600_cp_commit(struct radeon_device *rdev) 2247 { 2248 WREG32(CP_RB_WPTR, rdev->cp.wptr); 2249 (void)RREG32(CP_RB_WPTR); 2250 } 2251 2252 void r600_ring_init(struct radeon_device *rdev, unsigned ring_size) 2253 { 2254 u32 rb_bufsz; 2255 2256 /* Align ring size */ 2257 rb_bufsz = drm_order(ring_size / 8); 2258 ring_size = (1 << (rb_bufsz + 1)) * 4; 2259 rdev->cp.ring_size = ring_size; 2260 rdev->cp.align_mask = 16 - 1; 2261 } 2262 2263 void r600_cp_fini(struct radeon_device *rdev) 2264 { 2265 r600_cp_stop(rdev); 2266 radeon_ring_fini(rdev); 2267 } 2268 2269 2270 /* 2271 * GPU scratch registers helpers function. 2272 */ 2273 void r600_scratch_init(struct radeon_device *rdev) 2274 { 2275 int i; 2276 2277 rdev->scratch.num_reg = 7; 2278 rdev->scratch.reg_base = SCRATCH_REG0; 2279 for (i = 0; i < rdev->scratch.num_reg; i++) { 2280 rdev->scratch.free[i] = true; 2281 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); 2282 } 2283 } 2284 2285 int r600_ring_test(struct radeon_device *rdev) 2286 { 2287 uint32_t scratch; 2288 uint32_t tmp = 0; 2289 unsigned i; 2290 int r; 2291 2292 r = radeon_scratch_get(rdev, &scratch); 2293 if (r) { 2294 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); 2295 return r; 2296 } 2297 WREG32(scratch, 0xCAFEDEAD); 2298 r = radeon_ring_lock(rdev, 3); 2299 if (r) { 2300 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 2301 radeon_scratch_free(rdev, scratch); 2302 return r; 2303 } 2304 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2305 radeon_ring_write(rdev, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2306 radeon_ring_write(rdev, 0xDEADBEEF); 2307 radeon_ring_unlock_commit(rdev); 2308 for (i = 0; i < rdev->usec_timeout; i++) { 2309 tmp = RREG32(scratch); 2310 if (tmp == 0xDEADBEEF) 2311 break; 2312 DRM_UDELAY(1); 2313 } 2314 if (i < rdev->usec_timeout) { 2315 DRM_INFO("ring test succeeded in %d usecs\n", i); 2316 } else { 2317 DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n", 2318 scratch, tmp); 2319 r = -EINVAL; 2320 } 2321 radeon_scratch_free(rdev, scratch); 2322 return r; 2323 } 2324 2325 void r600_fence_ring_emit(struct radeon_device *rdev, 2326 struct radeon_fence *fence) 2327 { 2328 if (rdev->wb.use_event) { 2329 u64 addr = rdev->wb.gpu_addr + R600_WB_EVENT_OFFSET + 2330 (u64)(rdev->fence_drv.scratch_reg - rdev->scratch.reg_base); 2331 /* EVENT_WRITE_EOP - flush caches, send int */ 2332 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 2333 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); 2334 radeon_ring_write(rdev, addr & 0xffffffff); 2335 radeon_ring_write(rdev, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 2336 radeon_ring_write(rdev, fence->seq); 2337 radeon_ring_write(rdev, 0); 2338 } else { 2339 radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0)); 2340 radeon_ring_write(rdev, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0)); 2341 /* wait for 3D idle clean */ 2342 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2343 radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2344 radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit); 2345 /* Emit fence sequence & fire IRQ */ 2346 radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2347 radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2348 radeon_ring_write(rdev, fence->seq); 2349 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */ 2350 radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0)); 2351 radeon_ring_write(rdev, RB_INT_STAT); 2352 } 2353 } 2354 2355 int r600_copy_blit(struct radeon_device *rdev, 2356 uint64_t src_offset, 2357 uint64_t dst_offset, 2358 unsigned num_gpu_pages, 2359 struct radeon_fence *fence) 2360 { 2361 int r; 2362 2363 mutex_lock(&rdev->r600_blit.mutex); 2364 rdev->r600_blit.vb_ib = NULL; 2365 r = r600_blit_prepare_copy(rdev, num_gpu_pages * RADEON_GPU_PAGE_SIZE); 2366 if (r) { 2367 if (rdev->r600_blit.vb_ib) 2368 radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); 2369 mutex_unlock(&rdev->r600_blit.mutex); 2370 return r; 2371 } 2372 r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages * RADEON_GPU_PAGE_SIZE); 2373 r600_blit_done_copy(rdev, fence); 2374 mutex_unlock(&rdev->r600_blit.mutex); 2375 return 0; 2376 } 2377 2378 int r600_set_surface_reg(struct radeon_device *rdev, int reg, 2379 uint32_t tiling_flags, uint32_t pitch, 2380 uint32_t offset, uint32_t obj_size) 2381 { 2382 /* FIXME: implement */ 2383 return 0; 2384 } 2385 2386 void r600_clear_surface_reg(struct radeon_device *rdev, int reg) 2387 { 2388 /* FIXME: implement */ 2389 } 2390 2391 int r600_startup(struct radeon_device *rdev) 2392 { 2393 int r; 2394 2395 /* enable pcie gen2 link */ 2396 r600_pcie_gen2_enable(rdev); 2397 2398 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 2399 r = r600_init_microcode(rdev); 2400 if (r) { 2401 DRM_ERROR("Failed to load firmware!\n"); 2402 return r; 2403 } 2404 } 2405 2406 r600_mc_program(rdev); 2407 if (rdev->flags & RADEON_IS_AGP) { 2408 r600_agp_enable(rdev); 2409 } else { 2410 r = r600_pcie_gart_enable(rdev); 2411 if (r) 2412 return r; 2413 } 2414 r600_gpu_init(rdev); 2415 r = r600_blit_init(rdev); 2416 if (r) { 2417 r600_blit_fini(rdev); 2418 rdev->asic->copy = NULL; 2419 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); 2420 } 2421 2422 /* allocate wb buffer */ 2423 r = radeon_wb_init(rdev); 2424 if (r) 2425 return r; 2426 2427 /* Enable IRQ */ 2428 r = r600_irq_init(rdev); 2429 if (r) { 2430 DRM_ERROR("radeon: IH init failed (%d).\n", r); 2431 radeon_irq_kms_fini(rdev); 2432 return r; 2433 } 2434 r600_irq_set(rdev); 2435 2436 r = radeon_ring_init(rdev, rdev->cp.ring_size); 2437 if (r) 2438 return r; 2439 r = r600_cp_load_microcode(rdev); 2440 if (r) 2441 return r; 2442 r = r600_cp_resume(rdev); 2443 if (r) 2444 return r; 2445 2446 return 0; 2447 } 2448 2449 void r600_vga_set_state(struct radeon_device *rdev, bool state) 2450 { 2451 uint32_t temp; 2452 2453 temp = RREG32(CONFIG_CNTL); 2454 if (state == false) { 2455 temp &= ~(1<<0); 2456 temp |= (1<<1); 2457 } else { 2458 temp &= ~(1<<1); 2459 } 2460 WREG32(CONFIG_CNTL, temp); 2461 } 2462 2463 int r600_resume(struct radeon_device *rdev) 2464 { 2465 int r; 2466 2467 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw, 2468 * posting will perform necessary task to bring back GPU into good 2469 * shape. 2470 */ 2471 /* post card */ 2472 atom_asic_init(rdev->mode_info.atom_context); 2473 2474 r = r600_startup(rdev); 2475 if (r) { 2476 DRM_ERROR("r600 startup failed on resume\n"); 2477 return r; 2478 } 2479 2480 r = r600_ib_test(rdev); 2481 if (r) { 2482 DRM_ERROR("radeon: failed testing IB (%d).\n", r); 2483 return r; 2484 } 2485 2486 r = r600_audio_init(rdev); 2487 if (r) { 2488 DRM_ERROR("radeon: audio resume failed\n"); 2489 return r; 2490 } 2491 2492 return r; 2493 } 2494 2495 int r600_suspend(struct radeon_device *rdev) 2496 { 2497 int r; 2498 2499 r600_audio_fini(rdev); 2500 /* FIXME: we should wait for ring to be empty */ 2501 r600_cp_stop(rdev); 2502 rdev->cp.ready = false; 2503 r600_irq_suspend(rdev); 2504 radeon_wb_disable(rdev); 2505 r600_pcie_gart_disable(rdev); 2506 /* unpin shaders bo */ 2507 if (rdev->r600_blit.shader_obj) { 2508 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); 2509 if (!r) { 2510 radeon_bo_unpin(rdev->r600_blit.shader_obj); 2511 radeon_bo_unreserve(rdev->r600_blit.shader_obj); 2512 } 2513 } 2514 return 0; 2515 } 2516 2517 /* Plan is to move initialization in that function and use 2518 * helper function so that radeon_device_init pretty much 2519 * do nothing more than calling asic specific function. This 2520 * should also allow to remove a bunch of callback function 2521 * like vram_info. 2522 */ 2523 int r600_init(struct radeon_device *rdev) 2524 { 2525 int r; 2526 2527 if (r600_debugfs_mc_info_init(rdev)) { 2528 DRM_ERROR("Failed to register debugfs file for mc !\n"); 2529 } 2530 /* This don't do much */ 2531 r = radeon_gem_init(rdev); 2532 if (r) 2533 return r; 2534 /* Read BIOS */ 2535 if (!radeon_get_bios(rdev)) { 2536 if (ASIC_IS_AVIVO(rdev)) 2537 return -EINVAL; 2538 } 2539 /* Must be an ATOMBIOS */ 2540 if (!rdev->is_atom_bios) { 2541 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n"); 2542 return -EINVAL; 2543 } 2544 r = radeon_atombios_init(rdev); 2545 if (r) 2546 return r; 2547 /* Post card if necessary */ 2548 if (!radeon_card_posted(rdev)) { 2549 if (!rdev->bios) { 2550 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 2551 return -EINVAL; 2552 } 2553 DRM_INFO("GPU not posted. posting now...\n"); 2554 atom_asic_init(rdev->mode_info.atom_context); 2555 } 2556 /* Initialize scratch registers */ 2557 r600_scratch_init(rdev); 2558 /* Initialize surface registers */ 2559 radeon_surface_init(rdev); 2560 /* Initialize clocks */ 2561 radeon_get_clock_info(rdev->ddev); 2562 /* Fence driver */ 2563 r = radeon_fence_driver_init(rdev); 2564 if (r) 2565 return r; 2566 if (rdev->flags & RADEON_IS_AGP) { 2567 r = radeon_agp_init(rdev); 2568 if (r) 2569 radeon_agp_disable(rdev); 2570 } 2571 r = r600_mc_init(rdev); 2572 if (r) 2573 return r; 2574 /* Memory manager */ 2575 r = radeon_bo_init(rdev); 2576 if (r) 2577 return r; 2578 2579 r = radeon_irq_kms_init(rdev); 2580 if (r) 2581 return r; 2582 2583 rdev->cp.ring_obj = NULL; 2584 r600_ring_init(rdev, 1024 * 1024); 2585 2586 rdev->ih.ring_obj = NULL; 2587 r600_ih_ring_init(rdev, 64 * 1024); 2588 2589 r = r600_pcie_gart_init(rdev); 2590 if (r) 2591 return r; 2592 2593 rdev->accel_working = true; 2594 r = r600_startup(rdev); 2595 if (r) { 2596 dev_err(rdev->dev, "disabling GPU acceleration\n"); 2597 r600_cp_fini(rdev); 2598 r600_irq_fini(rdev); 2599 radeon_wb_fini(rdev); 2600 radeon_irq_kms_fini(rdev); 2601 r600_pcie_gart_fini(rdev); 2602 rdev->accel_working = false; 2603 } 2604 if (rdev->accel_working) { 2605 r = radeon_ib_pool_init(rdev); 2606 if (r) { 2607 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 2608 rdev->accel_working = false; 2609 } else { 2610 r = r600_ib_test(rdev); 2611 if (r) { 2612 dev_err(rdev->dev, "IB test failed (%d).\n", r); 2613 rdev->accel_working = false; 2614 } 2615 } 2616 } 2617 2618 r = r600_audio_init(rdev); 2619 if (r) 2620 return r; /* TODO error handling */ 2621 return 0; 2622 } 2623 2624 void r600_fini(struct radeon_device *rdev) 2625 { 2626 r600_audio_fini(rdev); 2627 r600_blit_fini(rdev); 2628 r600_cp_fini(rdev); 2629 r600_irq_fini(rdev); 2630 radeon_wb_fini(rdev); 2631 radeon_ib_pool_fini(rdev); 2632 radeon_irq_kms_fini(rdev); 2633 r600_pcie_gart_fini(rdev); 2634 radeon_agp_fini(rdev); 2635 radeon_gem_fini(rdev); 2636 radeon_fence_driver_fini(rdev); 2637 radeon_bo_fini(rdev); 2638 radeon_atombios_fini(rdev); 2639 kfree(rdev->bios); 2640 rdev->bios = NULL; 2641 } 2642 2643 2644 /* 2645 * CS stuff 2646 */ 2647 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 2648 { 2649 /* FIXME: implement */ 2650 radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 2651 radeon_ring_write(rdev, 2652 #ifdef __BIG_ENDIAN 2653 (2 << 0) | 2654 #endif 2655 (ib->gpu_addr & 0xFFFFFFFC)); 2656 radeon_ring_write(rdev, upper_32_bits(ib->gpu_addr) & 0xFF); 2657 radeon_ring_write(rdev, ib->length_dw); 2658 } 2659 2660 int r600_ib_test(struct radeon_device *rdev) 2661 { 2662 struct radeon_ib *ib; 2663 uint32_t scratch; 2664 uint32_t tmp = 0; 2665 unsigned i; 2666 int r; 2667 2668 r = radeon_scratch_get(rdev, &scratch); 2669 if (r) { 2670 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); 2671 return r; 2672 } 2673 WREG32(scratch, 0xCAFEDEAD); 2674 r = radeon_ib_get(rdev, &ib); 2675 if (r) { 2676 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 2677 return r; 2678 } 2679 ib->ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1); 2680 ib->ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2681 ib->ptr[2] = 0xDEADBEEF; 2682 ib->ptr[3] = PACKET2(0); 2683 ib->ptr[4] = PACKET2(0); 2684 ib->ptr[5] = PACKET2(0); 2685 ib->ptr[6] = PACKET2(0); 2686 ib->ptr[7] = PACKET2(0); 2687 ib->ptr[8] = PACKET2(0); 2688 ib->ptr[9] = PACKET2(0); 2689 ib->ptr[10] = PACKET2(0); 2690 ib->ptr[11] = PACKET2(0); 2691 ib->ptr[12] = PACKET2(0); 2692 ib->ptr[13] = PACKET2(0); 2693 ib->ptr[14] = PACKET2(0); 2694 ib->ptr[15] = PACKET2(0); 2695 ib->length_dw = 16; 2696 r = radeon_ib_schedule(rdev, ib); 2697 if (r) { 2698 radeon_scratch_free(rdev, scratch); 2699 radeon_ib_free(rdev, &ib); 2700 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 2701 return r; 2702 } 2703 r = radeon_fence_wait(ib->fence, false); 2704 if (r) { 2705 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 2706 return r; 2707 } 2708 for (i = 0; i < rdev->usec_timeout; i++) { 2709 tmp = RREG32(scratch); 2710 if (tmp == 0xDEADBEEF) 2711 break; 2712 DRM_UDELAY(1); 2713 } 2714 if (i < rdev->usec_timeout) { 2715 DRM_INFO("ib test succeeded in %u usecs\n", i); 2716 } else { 2717 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n", 2718 scratch, tmp); 2719 r = -EINVAL; 2720 } 2721 radeon_scratch_free(rdev, scratch); 2722 radeon_ib_free(rdev, &ib); 2723 return r; 2724 } 2725 2726 /* 2727 * Interrupts 2728 * 2729 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty 2730 * the same as the CP ring buffer, but in reverse. Rather than the CPU 2731 * writing to the ring and the GPU consuming, the GPU writes to the ring 2732 * and host consumes. As the host irq handler processes interrupts, it 2733 * increments the rptr. When the rptr catches up with the wptr, all the 2734 * current interrupts have been processed. 2735 */ 2736 2737 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size) 2738 { 2739 u32 rb_bufsz; 2740 2741 /* Align ring size */ 2742 rb_bufsz = drm_order(ring_size / 4); 2743 ring_size = (1 << rb_bufsz) * 4; 2744 rdev->ih.ring_size = ring_size; 2745 rdev->ih.ptr_mask = rdev->ih.ring_size - 1; 2746 rdev->ih.rptr = 0; 2747 } 2748 2749 static int r600_ih_ring_alloc(struct radeon_device *rdev) 2750 { 2751 int r; 2752 2753 /* Allocate ring buffer */ 2754 if (rdev->ih.ring_obj == NULL) { 2755 r = radeon_bo_create(rdev, rdev->ih.ring_size, 2756 PAGE_SIZE, true, 2757 RADEON_GEM_DOMAIN_GTT, 2758 &rdev->ih.ring_obj); 2759 if (r) { 2760 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r); 2761 return r; 2762 } 2763 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 2764 if (unlikely(r != 0)) 2765 return r; 2766 r = radeon_bo_pin(rdev->ih.ring_obj, 2767 RADEON_GEM_DOMAIN_GTT, 2768 &rdev->ih.gpu_addr); 2769 if (r) { 2770 radeon_bo_unreserve(rdev->ih.ring_obj); 2771 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r); 2772 return r; 2773 } 2774 r = radeon_bo_kmap(rdev->ih.ring_obj, 2775 (void **)&rdev->ih.ring); 2776 radeon_bo_unreserve(rdev->ih.ring_obj); 2777 if (r) { 2778 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r); 2779 return r; 2780 } 2781 } 2782 return 0; 2783 } 2784 2785 static void r600_ih_ring_fini(struct radeon_device *rdev) 2786 { 2787 int r; 2788 if (rdev->ih.ring_obj) { 2789 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 2790 if (likely(r == 0)) { 2791 radeon_bo_kunmap(rdev->ih.ring_obj); 2792 radeon_bo_unpin(rdev->ih.ring_obj); 2793 radeon_bo_unreserve(rdev->ih.ring_obj); 2794 } 2795 radeon_bo_unref(&rdev->ih.ring_obj); 2796 rdev->ih.ring = NULL; 2797 rdev->ih.ring_obj = NULL; 2798 } 2799 } 2800 2801 void r600_rlc_stop(struct radeon_device *rdev) 2802 { 2803 2804 if ((rdev->family >= CHIP_RV770) && 2805 (rdev->family <= CHIP_RV740)) { 2806 /* r7xx asics need to soft reset RLC before halting */ 2807 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC); 2808 RREG32(SRBM_SOFT_RESET); 2809 udelay(15000); 2810 WREG32(SRBM_SOFT_RESET, 0); 2811 RREG32(SRBM_SOFT_RESET); 2812 } 2813 2814 WREG32(RLC_CNTL, 0); 2815 } 2816 2817 static void r600_rlc_start(struct radeon_device *rdev) 2818 { 2819 WREG32(RLC_CNTL, RLC_ENABLE); 2820 } 2821 2822 static int r600_rlc_init(struct radeon_device *rdev) 2823 { 2824 u32 i; 2825 const __be32 *fw_data; 2826 2827 if (!rdev->rlc_fw) 2828 return -EINVAL; 2829 2830 r600_rlc_stop(rdev); 2831 2832 WREG32(RLC_HB_BASE, 0); 2833 WREG32(RLC_HB_CNTL, 0); 2834 WREG32(RLC_HB_RPTR, 0); 2835 WREG32(RLC_HB_WPTR, 0); 2836 if (rdev->family <= CHIP_CAICOS) { 2837 WREG32(RLC_HB_WPTR_LSB_ADDR, 0); 2838 WREG32(RLC_HB_WPTR_MSB_ADDR, 0); 2839 } 2840 WREG32(RLC_MC_CNTL, 0); 2841 WREG32(RLC_UCODE_CNTL, 0); 2842 2843 fw_data = (const __be32 *)rdev->rlc_fw->data; 2844 if (rdev->family >= CHIP_CAYMAN) { 2845 for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) { 2846 WREG32(RLC_UCODE_ADDR, i); 2847 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 2848 } 2849 } else if (rdev->family >= CHIP_CEDAR) { 2850 for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) { 2851 WREG32(RLC_UCODE_ADDR, i); 2852 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 2853 } 2854 } else if (rdev->family >= CHIP_RV770) { 2855 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) { 2856 WREG32(RLC_UCODE_ADDR, i); 2857 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 2858 } 2859 } else { 2860 for (i = 0; i < RLC_UCODE_SIZE; i++) { 2861 WREG32(RLC_UCODE_ADDR, i); 2862 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 2863 } 2864 } 2865 WREG32(RLC_UCODE_ADDR, 0); 2866 2867 r600_rlc_start(rdev); 2868 2869 return 0; 2870 } 2871 2872 static void r600_enable_interrupts(struct radeon_device *rdev) 2873 { 2874 u32 ih_cntl = RREG32(IH_CNTL); 2875 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 2876 2877 ih_cntl |= ENABLE_INTR; 2878 ih_rb_cntl |= IH_RB_ENABLE; 2879 WREG32(IH_CNTL, ih_cntl); 2880 WREG32(IH_RB_CNTL, ih_rb_cntl); 2881 rdev->ih.enabled = true; 2882 } 2883 2884 void r600_disable_interrupts(struct radeon_device *rdev) 2885 { 2886 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 2887 u32 ih_cntl = RREG32(IH_CNTL); 2888 2889 ih_rb_cntl &= ~IH_RB_ENABLE; 2890 ih_cntl &= ~ENABLE_INTR; 2891 WREG32(IH_RB_CNTL, ih_rb_cntl); 2892 WREG32(IH_CNTL, ih_cntl); 2893 /* set rptr, wptr to 0 */ 2894 WREG32(IH_RB_RPTR, 0); 2895 WREG32(IH_RB_WPTR, 0); 2896 rdev->ih.enabled = false; 2897 rdev->ih.wptr = 0; 2898 rdev->ih.rptr = 0; 2899 } 2900 2901 static void r600_disable_interrupt_state(struct radeon_device *rdev) 2902 { 2903 u32 tmp; 2904 2905 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 2906 WREG32(GRBM_INT_CNTL, 0); 2907 WREG32(DxMODE_INT_MASK, 0); 2908 WREG32(D1GRPH_INTERRUPT_CONTROL, 0); 2909 WREG32(D2GRPH_INTERRUPT_CONTROL, 0); 2910 if (ASIC_IS_DCE3(rdev)) { 2911 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0); 2912 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0); 2913 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2914 WREG32(DC_HPD1_INT_CONTROL, tmp); 2915 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2916 WREG32(DC_HPD2_INT_CONTROL, tmp); 2917 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2918 WREG32(DC_HPD3_INT_CONTROL, tmp); 2919 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2920 WREG32(DC_HPD4_INT_CONTROL, tmp); 2921 if (ASIC_IS_DCE32(rdev)) { 2922 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2923 WREG32(DC_HPD5_INT_CONTROL, tmp); 2924 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2925 WREG32(DC_HPD6_INT_CONTROL, tmp); 2926 } 2927 } else { 2928 WREG32(DACA_AUTODETECT_INT_CONTROL, 0); 2929 WREG32(DACB_AUTODETECT_INT_CONTROL, 0); 2930 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 2931 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 2932 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 2933 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 2934 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 2935 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 2936 } 2937 } 2938 2939 int r600_irq_init(struct radeon_device *rdev) 2940 { 2941 int ret = 0; 2942 int rb_bufsz; 2943 u32 interrupt_cntl, ih_cntl, ih_rb_cntl; 2944 2945 /* allocate ring */ 2946 ret = r600_ih_ring_alloc(rdev); 2947 if (ret) 2948 return ret; 2949 2950 /* disable irqs */ 2951 r600_disable_interrupts(rdev); 2952 2953 /* init rlc */ 2954 ret = r600_rlc_init(rdev); 2955 if (ret) { 2956 r600_ih_ring_fini(rdev); 2957 return ret; 2958 } 2959 2960 /* setup interrupt control */ 2961 /* set dummy read address to ring address */ 2962 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8); 2963 interrupt_cntl = RREG32(INTERRUPT_CNTL); 2964 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi 2965 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN 2966 */ 2967 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE; 2968 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */ 2969 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN; 2970 WREG32(INTERRUPT_CNTL, interrupt_cntl); 2971 2972 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8); 2973 rb_bufsz = drm_order(rdev->ih.ring_size / 4); 2974 2975 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | 2976 IH_WPTR_OVERFLOW_CLEAR | 2977 (rb_bufsz << 1)); 2978 2979 if (rdev->wb.enabled) 2980 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE; 2981 2982 /* set the writeback address whether it's enabled or not */ 2983 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC); 2984 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF); 2985 2986 WREG32(IH_RB_CNTL, ih_rb_cntl); 2987 2988 /* set rptr, wptr to 0 */ 2989 WREG32(IH_RB_RPTR, 0); 2990 WREG32(IH_RB_WPTR, 0); 2991 2992 /* Default settings for IH_CNTL (disabled at first) */ 2993 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10); 2994 /* RPTR_REARM only works if msi's are enabled */ 2995 if (rdev->msi_enabled) 2996 ih_cntl |= RPTR_REARM; 2997 WREG32(IH_CNTL, ih_cntl); 2998 2999 /* force the active interrupt state to all disabled */ 3000 if (rdev->family >= CHIP_CEDAR) 3001 evergreen_disable_interrupt_state(rdev); 3002 else 3003 r600_disable_interrupt_state(rdev); 3004 3005 /* enable irqs */ 3006 r600_enable_interrupts(rdev); 3007 3008 return ret; 3009 } 3010 3011 void r600_irq_suspend(struct radeon_device *rdev) 3012 { 3013 r600_irq_disable(rdev); 3014 r600_rlc_stop(rdev); 3015 } 3016 3017 void r600_irq_fini(struct radeon_device *rdev) 3018 { 3019 r600_irq_suspend(rdev); 3020 r600_ih_ring_fini(rdev); 3021 } 3022 3023 int r600_irq_set(struct radeon_device *rdev) 3024 { 3025 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; 3026 u32 mode_int = 0; 3027 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; 3028 u32 grbm_int_cntl = 0; 3029 u32 hdmi1, hdmi2; 3030 u32 d1grph = 0, d2grph = 0; 3031 3032 if (!rdev->irq.installed) { 3033 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 3034 return -EINVAL; 3035 } 3036 /* don't enable anything if the ih is disabled */ 3037 if (!rdev->ih.enabled) { 3038 r600_disable_interrupts(rdev); 3039 /* force the active interrupt state to all disabled */ 3040 r600_disable_interrupt_state(rdev); 3041 return 0; 3042 } 3043 3044 hdmi1 = RREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN; 3045 if (ASIC_IS_DCE3(rdev)) { 3046 hdmi2 = RREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN; 3047 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3048 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3049 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3050 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; 3051 if (ASIC_IS_DCE32(rdev)) { 3052 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; 3053 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; 3054 } 3055 } else { 3056 hdmi2 = RREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN; 3057 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3058 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3059 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3060 } 3061 3062 if (rdev->irq.sw_int) { 3063 DRM_DEBUG("r600_irq_set: sw int\n"); 3064 cp_int_cntl |= RB_INT_ENABLE; 3065 cp_int_cntl |= TIME_STAMP_INT_ENABLE; 3066 } 3067 if (rdev->irq.crtc_vblank_int[0] || 3068 rdev->irq.pflip[0]) { 3069 DRM_DEBUG("r600_irq_set: vblank 0\n"); 3070 mode_int |= D1MODE_VBLANK_INT_MASK; 3071 } 3072 if (rdev->irq.crtc_vblank_int[1] || 3073 rdev->irq.pflip[1]) { 3074 DRM_DEBUG("r600_irq_set: vblank 1\n"); 3075 mode_int |= D2MODE_VBLANK_INT_MASK; 3076 } 3077 if (rdev->irq.hpd[0]) { 3078 DRM_DEBUG("r600_irq_set: hpd 1\n"); 3079 hpd1 |= DC_HPDx_INT_EN; 3080 } 3081 if (rdev->irq.hpd[1]) { 3082 DRM_DEBUG("r600_irq_set: hpd 2\n"); 3083 hpd2 |= DC_HPDx_INT_EN; 3084 } 3085 if (rdev->irq.hpd[2]) { 3086 DRM_DEBUG("r600_irq_set: hpd 3\n"); 3087 hpd3 |= DC_HPDx_INT_EN; 3088 } 3089 if (rdev->irq.hpd[3]) { 3090 DRM_DEBUG("r600_irq_set: hpd 4\n"); 3091 hpd4 |= DC_HPDx_INT_EN; 3092 } 3093 if (rdev->irq.hpd[4]) { 3094 DRM_DEBUG("r600_irq_set: hpd 5\n"); 3095 hpd5 |= DC_HPDx_INT_EN; 3096 } 3097 if (rdev->irq.hpd[5]) { 3098 DRM_DEBUG("r600_irq_set: hpd 6\n"); 3099 hpd6 |= DC_HPDx_INT_EN; 3100 } 3101 if (rdev->irq.hdmi[0]) { 3102 DRM_DEBUG("r600_irq_set: hdmi 1\n"); 3103 hdmi1 |= R600_HDMI_INT_EN; 3104 } 3105 if (rdev->irq.hdmi[1]) { 3106 DRM_DEBUG("r600_irq_set: hdmi 2\n"); 3107 hdmi2 |= R600_HDMI_INT_EN; 3108 } 3109 if (rdev->irq.gui_idle) { 3110 DRM_DEBUG("gui idle\n"); 3111 grbm_int_cntl |= GUI_IDLE_INT_ENABLE; 3112 } 3113 3114 WREG32(CP_INT_CNTL, cp_int_cntl); 3115 WREG32(DxMODE_INT_MASK, mode_int); 3116 WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph); 3117 WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph); 3118 WREG32(GRBM_INT_CNTL, grbm_int_cntl); 3119 WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1); 3120 if (ASIC_IS_DCE3(rdev)) { 3121 WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2); 3122 WREG32(DC_HPD1_INT_CONTROL, hpd1); 3123 WREG32(DC_HPD2_INT_CONTROL, hpd2); 3124 WREG32(DC_HPD3_INT_CONTROL, hpd3); 3125 WREG32(DC_HPD4_INT_CONTROL, hpd4); 3126 if (ASIC_IS_DCE32(rdev)) { 3127 WREG32(DC_HPD5_INT_CONTROL, hpd5); 3128 WREG32(DC_HPD6_INT_CONTROL, hpd6); 3129 } 3130 } else { 3131 WREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, hdmi2); 3132 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); 3133 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); 3134 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3); 3135 } 3136 3137 return 0; 3138 } 3139 3140 static inline void r600_irq_ack(struct radeon_device *rdev) 3141 { 3142 u32 tmp; 3143 3144 if (ASIC_IS_DCE3(rdev)) { 3145 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS); 3146 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE); 3147 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2); 3148 } else { 3149 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS); 3150 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); 3151 rdev->irq.stat_regs.r600.disp_int_cont2 = 0; 3152 } 3153 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS); 3154 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS); 3155 3156 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3157 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3158 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3159 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3160 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) 3161 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3162 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) 3163 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3164 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) 3165 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3166 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) 3167 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3168 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3169 if (ASIC_IS_DCE3(rdev)) { 3170 tmp = RREG32(DC_HPD1_INT_CONTROL); 3171 tmp |= DC_HPDx_INT_ACK; 3172 WREG32(DC_HPD1_INT_CONTROL, tmp); 3173 } else { 3174 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 3175 tmp |= DC_HPDx_INT_ACK; 3176 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3177 } 3178 } 3179 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3180 if (ASIC_IS_DCE3(rdev)) { 3181 tmp = RREG32(DC_HPD2_INT_CONTROL); 3182 tmp |= DC_HPDx_INT_ACK; 3183 WREG32(DC_HPD2_INT_CONTROL, tmp); 3184 } else { 3185 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 3186 tmp |= DC_HPDx_INT_ACK; 3187 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3188 } 3189 } 3190 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3191 if (ASIC_IS_DCE3(rdev)) { 3192 tmp = RREG32(DC_HPD3_INT_CONTROL); 3193 tmp |= DC_HPDx_INT_ACK; 3194 WREG32(DC_HPD3_INT_CONTROL, tmp); 3195 } else { 3196 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 3197 tmp |= DC_HPDx_INT_ACK; 3198 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3199 } 3200 } 3201 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3202 tmp = RREG32(DC_HPD4_INT_CONTROL); 3203 tmp |= DC_HPDx_INT_ACK; 3204 WREG32(DC_HPD4_INT_CONTROL, tmp); 3205 } 3206 if (ASIC_IS_DCE32(rdev)) { 3207 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3208 tmp = RREG32(DC_HPD5_INT_CONTROL); 3209 tmp |= DC_HPDx_INT_ACK; 3210 WREG32(DC_HPD5_INT_CONTROL, tmp); 3211 } 3212 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 3213 tmp = RREG32(DC_HPD5_INT_CONTROL); 3214 tmp |= DC_HPDx_INT_ACK; 3215 WREG32(DC_HPD6_INT_CONTROL, tmp); 3216 } 3217 } 3218 if (RREG32(R600_HDMI_BLOCK1 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) { 3219 WREG32_P(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK); 3220 } 3221 if (ASIC_IS_DCE3(rdev)) { 3222 if (RREG32(R600_HDMI_BLOCK3 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) { 3223 WREG32_P(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK); 3224 } 3225 } else { 3226 if (RREG32(R600_HDMI_BLOCK2 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) { 3227 WREG32_P(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK); 3228 } 3229 } 3230 } 3231 3232 void r600_irq_disable(struct radeon_device *rdev) 3233 { 3234 r600_disable_interrupts(rdev); 3235 /* Wait and acknowledge irq */ 3236 mdelay(1); 3237 r600_irq_ack(rdev); 3238 r600_disable_interrupt_state(rdev); 3239 } 3240 3241 static inline u32 r600_get_ih_wptr(struct radeon_device *rdev) 3242 { 3243 u32 wptr, tmp; 3244 3245 if (rdev->wb.enabled) 3246 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); 3247 else 3248 wptr = RREG32(IH_RB_WPTR); 3249 3250 if (wptr & RB_OVERFLOW) { 3251 /* When a ring buffer overflow happen start parsing interrupt 3252 * from the last not overwritten vector (wptr + 16). Hopefully 3253 * this should allow us to catchup. 3254 */ 3255 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n", 3256 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask); 3257 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; 3258 tmp = RREG32(IH_RB_CNTL); 3259 tmp |= IH_WPTR_OVERFLOW_CLEAR; 3260 WREG32(IH_RB_CNTL, tmp); 3261 } 3262 return (wptr & rdev->ih.ptr_mask); 3263 } 3264 3265 /* r600 IV Ring 3266 * Each IV ring entry is 128 bits: 3267 * [7:0] - interrupt source id 3268 * [31:8] - reserved 3269 * [59:32] - interrupt source data 3270 * [127:60] - reserved 3271 * 3272 * The basic interrupt vector entries 3273 * are decoded as follows: 3274 * src_id src_data description 3275 * 1 0 D1 Vblank 3276 * 1 1 D1 Vline 3277 * 5 0 D2 Vblank 3278 * 5 1 D2 Vline 3279 * 19 0 FP Hot plug detection A 3280 * 19 1 FP Hot plug detection B 3281 * 19 2 DAC A auto-detection 3282 * 19 3 DAC B auto-detection 3283 * 21 4 HDMI block A 3284 * 21 5 HDMI block B 3285 * 176 - CP_INT RB 3286 * 177 - CP_INT IB1 3287 * 178 - CP_INT IB2 3288 * 181 - EOP Interrupt 3289 * 233 - GUI Idle 3290 * 3291 * Note, these are based on r600 and may need to be 3292 * adjusted or added to on newer asics 3293 */ 3294 3295 int r600_irq_process(struct radeon_device *rdev) 3296 { 3297 u32 wptr; 3298 u32 rptr; 3299 u32 src_id, src_data; 3300 u32 ring_index; 3301 unsigned long flags; 3302 bool queue_hotplug = false; 3303 3304 if (!rdev->ih.enabled || rdev->shutdown) 3305 return IRQ_NONE; 3306 3307 /* No MSIs, need a dummy read to flush PCI DMAs */ 3308 if (!rdev->msi_enabled) 3309 RREG32(IH_RB_WPTR); 3310 3311 wptr = r600_get_ih_wptr(rdev); 3312 rptr = rdev->ih.rptr; 3313 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); 3314 3315 spin_lock_irqsave(&rdev->ih.lock, flags); 3316 3317 if (rptr == wptr) { 3318 spin_unlock_irqrestore(&rdev->ih.lock, flags); 3319 return IRQ_NONE; 3320 } 3321 3322 restart_ih: 3323 /* Order reading of wptr vs. reading of IH ring data */ 3324 rmb(); 3325 3326 /* display interrupts */ 3327 r600_irq_ack(rdev); 3328 3329 rdev->ih.wptr = wptr; 3330 while (rptr != wptr) { 3331 /* wptr/rptr are in bytes! */ 3332 ring_index = rptr / 4; 3333 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; 3334 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; 3335 3336 switch (src_id) { 3337 case 1: /* D1 vblank/vline */ 3338 switch (src_data) { 3339 case 0: /* D1 vblank */ 3340 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) { 3341 if (rdev->irq.crtc_vblank_int[0]) { 3342 drm_handle_vblank(rdev->ddev, 0); 3343 rdev->pm.vblank_sync = true; 3344 wake_up(&rdev->irq.vblank_queue); 3345 } 3346 if (rdev->irq.pflip[0]) 3347 radeon_crtc_handle_flip(rdev, 0); 3348 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT; 3349 DRM_DEBUG("IH: D1 vblank\n"); 3350 } 3351 break; 3352 case 1: /* D1 vline */ 3353 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) { 3354 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT; 3355 DRM_DEBUG("IH: D1 vline\n"); 3356 } 3357 break; 3358 default: 3359 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3360 break; 3361 } 3362 break; 3363 case 5: /* D2 vblank/vline */ 3364 switch (src_data) { 3365 case 0: /* D2 vblank */ 3366 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) { 3367 if (rdev->irq.crtc_vblank_int[1]) { 3368 drm_handle_vblank(rdev->ddev, 1); 3369 rdev->pm.vblank_sync = true; 3370 wake_up(&rdev->irq.vblank_queue); 3371 } 3372 if (rdev->irq.pflip[1]) 3373 radeon_crtc_handle_flip(rdev, 1); 3374 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT; 3375 DRM_DEBUG("IH: D2 vblank\n"); 3376 } 3377 break; 3378 case 1: /* D1 vline */ 3379 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) { 3380 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT; 3381 DRM_DEBUG("IH: D2 vline\n"); 3382 } 3383 break; 3384 default: 3385 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3386 break; 3387 } 3388 break; 3389 case 19: /* HPD/DAC hotplug */ 3390 switch (src_data) { 3391 case 0: 3392 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3393 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT; 3394 queue_hotplug = true; 3395 DRM_DEBUG("IH: HPD1\n"); 3396 } 3397 break; 3398 case 1: 3399 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3400 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT; 3401 queue_hotplug = true; 3402 DRM_DEBUG("IH: HPD2\n"); 3403 } 3404 break; 3405 case 4: 3406 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3407 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT; 3408 queue_hotplug = true; 3409 DRM_DEBUG("IH: HPD3\n"); 3410 } 3411 break; 3412 case 5: 3413 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3414 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT; 3415 queue_hotplug = true; 3416 DRM_DEBUG("IH: HPD4\n"); 3417 } 3418 break; 3419 case 10: 3420 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3421 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT; 3422 queue_hotplug = true; 3423 DRM_DEBUG("IH: HPD5\n"); 3424 } 3425 break; 3426 case 12: 3427 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 3428 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT; 3429 queue_hotplug = true; 3430 DRM_DEBUG("IH: HPD6\n"); 3431 } 3432 break; 3433 default: 3434 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3435 break; 3436 } 3437 break; 3438 case 21: /* HDMI */ 3439 DRM_DEBUG("IH: HDMI: 0x%x\n", src_data); 3440 r600_audio_schedule_polling(rdev); 3441 break; 3442 case 176: /* CP_INT in ring buffer */ 3443 case 177: /* CP_INT in IB1 */ 3444 case 178: /* CP_INT in IB2 */ 3445 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); 3446 radeon_fence_process(rdev); 3447 break; 3448 case 181: /* CP EOP event */ 3449 DRM_DEBUG("IH: CP EOP\n"); 3450 radeon_fence_process(rdev); 3451 break; 3452 case 233: /* GUI IDLE */ 3453 DRM_DEBUG("IH: GUI idle\n"); 3454 rdev->pm.gui_idle = true; 3455 wake_up(&rdev->irq.idle_queue); 3456 break; 3457 default: 3458 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3459 break; 3460 } 3461 3462 /* wptr/rptr are in bytes! */ 3463 rptr += 16; 3464 rptr &= rdev->ih.ptr_mask; 3465 } 3466 /* make sure wptr hasn't changed while processing */ 3467 wptr = r600_get_ih_wptr(rdev); 3468 if (wptr != rdev->ih.wptr) 3469 goto restart_ih; 3470 if (queue_hotplug) 3471 schedule_work(&rdev->hotplug_work); 3472 rdev->ih.rptr = rptr; 3473 WREG32(IH_RB_RPTR, rdev->ih.rptr); 3474 spin_unlock_irqrestore(&rdev->ih.lock, flags); 3475 return IRQ_HANDLED; 3476 } 3477 3478 /* 3479 * Debugfs info 3480 */ 3481 #if defined(CONFIG_DEBUG_FS) 3482 3483 static int r600_debugfs_cp_ring_info(struct seq_file *m, void *data) 3484 { 3485 struct drm_info_node *node = (struct drm_info_node *) m->private; 3486 struct drm_device *dev = node->minor->dev; 3487 struct radeon_device *rdev = dev->dev_private; 3488 unsigned count, i, j; 3489 3490 radeon_ring_free_size(rdev); 3491 count = (rdev->cp.ring_size / 4) - rdev->cp.ring_free_dw; 3492 seq_printf(m, "CP_STAT 0x%08x\n", RREG32(CP_STAT)); 3493 seq_printf(m, "CP_RB_WPTR 0x%08x\n", RREG32(CP_RB_WPTR)); 3494 seq_printf(m, "CP_RB_RPTR 0x%08x\n", RREG32(CP_RB_RPTR)); 3495 seq_printf(m, "driver's copy of the CP_RB_WPTR 0x%08x\n", rdev->cp.wptr); 3496 seq_printf(m, "driver's copy of the CP_RB_RPTR 0x%08x\n", rdev->cp.rptr); 3497 seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw); 3498 seq_printf(m, "%u dwords in ring\n", count); 3499 i = rdev->cp.rptr; 3500 for (j = 0; j <= count; j++) { 3501 seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]); 3502 i = (i + 1) & rdev->cp.ptr_mask; 3503 } 3504 return 0; 3505 } 3506 3507 static int r600_debugfs_mc_info(struct seq_file *m, void *data) 3508 { 3509 struct drm_info_node *node = (struct drm_info_node *) m->private; 3510 struct drm_device *dev = node->minor->dev; 3511 struct radeon_device *rdev = dev->dev_private; 3512 3513 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS); 3514 DREG32_SYS(m, rdev, VM_L2_STATUS); 3515 return 0; 3516 } 3517 3518 static struct drm_info_list r600_mc_info_list[] = { 3519 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL}, 3520 {"r600_ring_info", r600_debugfs_cp_ring_info, 0, NULL}, 3521 }; 3522 #endif 3523 3524 int r600_debugfs_mc_info_init(struct radeon_device *rdev) 3525 { 3526 #if defined(CONFIG_DEBUG_FS) 3527 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list)); 3528 #else 3529 return 0; 3530 #endif 3531 } 3532 3533 /** 3534 * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl 3535 * rdev: radeon device structure 3536 * bo: buffer object struct which userspace is waiting for idle 3537 * 3538 * Some R6XX/R7XX doesn't seems to take into account HDP flush performed 3539 * through ring buffer, this leads to corruption in rendering, see 3540 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we 3541 * directly perform HDP flush by writing register through MMIO. 3542 */ 3543 void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo) 3544 { 3545 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 3546 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL. 3547 * This seems to cause problems on some AGP cards. Just use the old 3548 * method for them. 3549 */ 3550 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 3551 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) { 3552 void __iomem *ptr = (void *)rdev->vram_scratch.ptr; 3553 u32 tmp; 3554 3555 WREG32(HDP_DEBUG1, 0); 3556 tmp = readl((void __iomem *)ptr); 3557 } else 3558 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 3559 } 3560 3561 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes) 3562 { 3563 u32 link_width_cntl, mask, target_reg; 3564 3565 if (rdev->flags & RADEON_IS_IGP) 3566 return; 3567 3568 if (!(rdev->flags & RADEON_IS_PCIE)) 3569 return; 3570 3571 /* x2 cards have a special sequence */ 3572 if (ASIC_IS_X2(rdev)) 3573 return; 3574 3575 /* FIXME wait for idle */ 3576 3577 switch (lanes) { 3578 case 0: 3579 mask = RADEON_PCIE_LC_LINK_WIDTH_X0; 3580 break; 3581 case 1: 3582 mask = RADEON_PCIE_LC_LINK_WIDTH_X1; 3583 break; 3584 case 2: 3585 mask = RADEON_PCIE_LC_LINK_WIDTH_X2; 3586 break; 3587 case 4: 3588 mask = RADEON_PCIE_LC_LINK_WIDTH_X4; 3589 break; 3590 case 8: 3591 mask = RADEON_PCIE_LC_LINK_WIDTH_X8; 3592 break; 3593 case 12: 3594 mask = RADEON_PCIE_LC_LINK_WIDTH_X12; 3595 break; 3596 case 16: 3597 default: 3598 mask = RADEON_PCIE_LC_LINK_WIDTH_X16; 3599 break; 3600 } 3601 3602 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 3603 3604 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) == 3605 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT)) 3606 return; 3607 3608 if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS) 3609 return; 3610 3611 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK | 3612 RADEON_PCIE_LC_RECONFIG_NOW | 3613 R600_PCIE_LC_RENEGOTIATE_EN | 3614 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE); 3615 link_width_cntl |= mask; 3616 3617 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3618 3619 /* some northbridges can renegotiate the link rather than requiring 3620 * a complete re-config. 3621 * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.) 3622 */ 3623 if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT) 3624 link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT; 3625 else 3626 link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE; 3627 3628 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl | 3629 RADEON_PCIE_LC_RECONFIG_NOW)); 3630 3631 if (rdev->family >= CHIP_RV770) 3632 target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX; 3633 else 3634 target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX; 3635 3636 /* wait for lane set to complete */ 3637 link_width_cntl = RREG32(target_reg); 3638 while (link_width_cntl == 0xffffffff) 3639 link_width_cntl = RREG32(target_reg); 3640 3641 } 3642 3643 int r600_get_pcie_lanes(struct radeon_device *rdev) 3644 { 3645 u32 link_width_cntl; 3646 3647 if (rdev->flags & RADEON_IS_IGP) 3648 return 0; 3649 3650 if (!(rdev->flags & RADEON_IS_PCIE)) 3651 return 0; 3652 3653 /* x2 cards have a special sequence */ 3654 if (ASIC_IS_X2(rdev)) 3655 return 0; 3656 3657 /* FIXME wait for idle */ 3658 3659 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 3660 3661 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) { 3662 case RADEON_PCIE_LC_LINK_WIDTH_X0: 3663 return 0; 3664 case RADEON_PCIE_LC_LINK_WIDTH_X1: 3665 return 1; 3666 case RADEON_PCIE_LC_LINK_WIDTH_X2: 3667 return 2; 3668 case RADEON_PCIE_LC_LINK_WIDTH_X4: 3669 return 4; 3670 case RADEON_PCIE_LC_LINK_WIDTH_X8: 3671 return 8; 3672 case RADEON_PCIE_LC_LINK_WIDTH_X16: 3673 default: 3674 return 16; 3675 } 3676 } 3677 3678 static void r600_pcie_gen2_enable(struct radeon_device *rdev) 3679 { 3680 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp; 3681 u16 link_cntl2; 3682 3683 if (radeon_pcie_gen2 == 0) 3684 return; 3685 3686 if (rdev->flags & RADEON_IS_IGP) 3687 return; 3688 3689 if (!(rdev->flags & RADEON_IS_PCIE)) 3690 return; 3691 3692 /* x2 cards have a special sequence */ 3693 if (ASIC_IS_X2(rdev)) 3694 return; 3695 3696 /* only RV6xx+ chips are supported */ 3697 if (rdev->family <= CHIP_R600) 3698 return; 3699 3700 /* 55 nm r6xx asics */ 3701 if ((rdev->family == CHIP_RV670) || 3702 (rdev->family == CHIP_RV620) || 3703 (rdev->family == CHIP_RV635)) { 3704 /* advertise upconfig capability */ 3705 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); 3706 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 3707 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3708 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); 3709 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) { 3710 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT; 3711 link_width_cntl &= ~(LC_LINK_WIDTH_MASK | 3712 LC_RECONFIG_ARC_MISSING_ESCAPE); 3713 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN; 3714 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3715 } else { 3716 link_width_cntl |= LC_UPCONFIGURE_DIS; 3717 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3718 } 3719 } 3720 3721 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3722 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) && 3723 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { 3724 3725 /* 55 nm r6xx asics */ 3726 if ((rdev->family == CHIP_RV670) || 3727 (rdev->family == CHIP_RV620) || 3728 (rdev->family == CHIP_RV635)) { 3729 WREG32(MM_CFGREGS_CNTL, 0x8); 3730 link_cntl2 = RREG32(0x4088); 3731 WREG32(MM_CFGREGS_CNTL, 0); 3732 /* not supported yet */ 3733 if (link_cntl2 & SELECTABLE_DEEMPHASIS) 3734 return; 3735 } 3736 3737 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK; 3738 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT); 3739 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK; 3740 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE; 3741 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE; 3742 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3743 3744 tmp = RREG32(0x541c); 3745 WREG32(0x541c, tmp | 0x8); 3746 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN); 3747 link_cntl2 = RREG16(0x4088); 3748 link_cntl2 &= ~TARGET_LINK_SPEED_MASK; 3749 link_cntl2 |= 0x2; 3750 WREG16(0x4088, link_cntl2); 3751 WREG32(MM_CFGREGS_CNTL, 0); 3752 3753 if ((rdev->family == CHIP_RV670) || 3754 (rdev->family == CHIP_RV620) || 3755 (rdev->family == CHIP_RV635)) { 3756 training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL); 3757 training_cntl &= ~LC_POINT_7_PLUS_EN; 3758 WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl); 3759 } else { 3760 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3761 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; 3762 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3763 } 3764 3765 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3766 speed_cntl |= LC_GEN2_EN_STRAP; 3767 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3768 3769 } else { 3770 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); 3771 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ 3772 if (1) 3773 link_width_cntl |= LC_UPCONFIGURE_DIS; 3774 else 3775 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 3776 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3777 } 3778 } 3779