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 <linux/module.h> 33 #include "drmP.h" 34 #include "radeon_drm.h" 35 #include "radeon.h" 36 #include "radeon_asic.h" 37 #include "radeon_mode.h" 38 #include "r600d.h" 39 #include "atom.h" 40 #include "avivod.h" 41 42 #define PFP_UCODE_SIZE 576 43 #define PM4_UCODE_SIZE 1792 44 #define RLC_UCODE_SIZE 768 45 #define R700_PFP_UCODE_SIZE 848 46 #define R700_PM4_UCODE_SIZE 1360 47 #define R700_RLC_UCODE_SIZE 1024 48 #define EVERGREEN_PFP_UCODE_SIZE 1120 49 #define EVERGREEN_PM4_UCODE_SIZE 1376 50 #define EVERGREEN_RLC_UCODE_SIZE 768 51 #define CAYMAN_RLC_UCODE_SIZE 1024 52 53 /* Firmware Names */ 54 MODULE_FIRMWARE("radeon/R600_pfp.bin"); 55 MODULE_FIRMWARE("radeon/R600_me.bin"); 56 MODULE_FIRMWARE("radeon/RV610_pfp.bin"); 57 MODULE_FIRMWARE("radeon/RV610_me.bin"); 58 MODULE_FIRMWARE("radeon/RV630_pfp.bin"); 59 MODULE_FIRMWARE("radeon/RV630_me.bin"); 60 MODULE_FIRMWARE("radeon/RV620_pfp.bin"); 61 MODULE_FIRMWARE("radeon/RV620_me.bin"); 62 MODULE_FIRMWARE("radeon/RV635_pfp.bin"); 63 MODULE_FIRMWARE("radeon/RV635_me.bin"); 64 MODULE_FIRMWARE("radeon/RV670_pfp.bin"); 65 MODULE_FIRMWARE("radeon/RV670_me.bin"); 66 MODULE_FIRMWARE("radeon/RS780_pfp.bin"); 67 MODULE_FIRMWARE("radeon/RS780_me.bin"); 68 MODULE_FIRMWARE("radeon/RV770_pfp.bin"); 69 MODULE_FIRMWARE("radeon/RV770_me.bin"); 70 MODULE_FIRMWARE("radeon/RV730_pfp.bin"); 71 MODULE_FIRMWARE("radeon/RV730_me.bin"); 72 MODULE_FIRMWARE("radeon/RV710_pfp.bin"); 73 MODULE_FIRMWARE("radeon/RV710_me.bin"); 74 MODULE_FIRMWARE("radeon/R600_rlc.bin"); 75 MODULE_FIRMWARE("radeon/R700_rlc.bin"); 76 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin"); 77 MODULE_FIRMWARE("radeon/CEDAR_me.bin"); 78 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin"); 79 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin"); 80 MODULE_FIRMWARE("radeon/REDWOOD_me.bin"); 81 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin"); 82 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin"); 83 MODULE_FIRMWARE("radeon/JUNIPER_me.bin"); 84 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin"); 85 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin"); 86 MODULE_FIRMWARE("radeon/CYPRESS_me.bin"); 87 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin"); 88 MODULE_FIRMWARE("radeon/PALM_pfp.bin"); 89 MODULE_FIRMWARE("radeon/PALM_me.bin"); 90 MODULE_FIRMWARE("radeon/SUMO_rlc.bin"); 91 MODULE_FIRMWARE("radeon/SUMO_pfp.bin"); 92 MODULE_FIRMWARE("radeon/SUMO_me.bin"); 93 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin"); 94 MODULE_FIRMWARE("radeon/SUMO2_me.bin"); 95 96 int r600_debugfs_mc_info_init(struct radeon_device *rdev); 97 98 /* r600,rv610,rv630,rv620,rv635,rv670 */ 99 int r600_mc_wait_for_idle(struct radeon_device *rdev); 100 void r600_gpu_init(struct radeon_device *rdev); 101 void r600_fini(struct radeon_device *rdev); 102 void r600_irq_disable(struct radeon_device *rdev); 103 static void r600_pcie_gen2_enable(struct radeon_device *rdev); 104 105 /* get temperature in millidegrees */ 106 int rv6xx_get_temp(struct radeon_device *rdev) 107 { 108 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> 109 ASIC_T_SHIFT; 110 int actual_temp = temp & 0xff; 111 112 if (temp & 0x100) 113 actual_temp -= 256; 114 115 return actual_temp * 1000; 116 } 117 118 void r600_pm_get_dynpm_state(struct radeon_device *rdev) 119 { 120 int i; 121 122 rdev->pm.dynpm_can_upclock = true; 123 rdev->pm.dynpm_can_downclock = true; 124 125 /* power state array is low to high, default is first */ 126 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) { 127 int min_power_state_index = 0; 128 129 if (rdev->pm.num_power_states > 2) 130 min_power_state_index = 1; 131 132 switch (rdev->pm.dynpm_planned_action) { 133 case DYNPM_ACTION_MINIMUM: 134 rdev->pm.requested_power_state_index = min_power_state_index; 135 rdev->pm.requested_clock_mode_index = 0; 136 rdev->pm.dynpm_can_downclock = false; 137 break; 138 case DYNPM_ACTION_DOWNCLOCK: 139 if (rdev->pm.current_power_state_index == min_power_state_index) { 140 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 141 rdev->pm.dynpm_can_downclock = false; 142 } else { 143 if (rdev->pm.active_crtc_count > 1) { 144 for (i = 0; i < rdev->pm.num_power_states; i++) { 145 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 146 continue; 147 else if (i >= rdev->pm.current_power_state_index) { 148 rdev->pm.requested_power_state_index = 149 rdev->pm.current_power_state_index; 150 break; 151 } else { 152 rdev->pm.requested_power_state_index = i; 153 break; 154 } 155 } 156 } else { 157 if (rdev->pm.current_power_state_index == 0) 158 rdev->pm.requested_power_state_index = 159 rdev->pm.num_power_states - 1; 160 else 161 rdev->pm.requested_power_state_index = 162 rdev->pm.current_power_state_index - 1; 163 } 164 } 165 rdev->pm.requested_clock_mode_index = 0; 166 /* don't use the power state if crtcs are active and no display flag is set */ 167 if ((rdev->pm.active_crtc_count > 0) && 168 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 169 clock_info[rdev->pm.requested_clock_mode_index].flags & 170 RADEON_PM_MODE_NO_DISPLAY)) { 171 rdev->pm.requested_power_state_index++; 172 } 173 break; 174 case DYNPM_ACTION_UPCLOCK: 175 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { 176 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 177 rdev->pm.dynpm_can_upclock = false; 178 } else { 179 if (rdev->pm.active_crtc_count > 1) { 180 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { 181 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 182 continue; 183 else if (i <= rdev->pm.current_power_state_index) { 184 rdev->pm.requested_power_state_index = 185 rdev->pm.current_power_state_index; 186 break; 187 } else { 188 rdev->pm.requested_power_state_index = i; 189 break; 190 } 191 } 192 } else 193 rdev->pm.requested_power_state_index = 194 rdev->pm.current_power_state_index + 1; 195 } 196 rdev->pm.requested_clock_mode_index = 0; 197 break; 198 case DYNPM_ACTION_DEFAULT: 199 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 200 rdev->pm.requested_clock_mode_index = 0; 201 rdev->pm.dynpm_can_upclock = false; 202 break; 203 case DYNPM_ACTION_NONE: 204 default: 205 DRM_ERROR("Requested mode for not defined action\n"); 206 return; 207 } 208 } else { 209 /* XXX select a power state based on AC/DC, single/dualhead, etc. */ 210 /* for now just select the first power state and switch between clock modes */ 211 /* power state array is low to high, default is first (0) */ 212 if (rdev->pm.active_crtc_count > 1) { 213 rdev->pm.requested_power_state_index = -1; 214 /* start at 1 as we don't want the default mode */ 215 for (i = 1; i < rdev->pm.num_power_states; i++) { 216 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 217 continue; 218 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) || 219 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) { 220 rdev->pm.requested_power_state_index = i; 221 break; 222 } 223 } 224 /* if nothing selected, grab the default state. */ 225 if (rdev->pm.requested_power_state_index == -1) 226 rdev->pm.requested_power_state_index = 0; 227 } else 228 rdev->pm.requested_power_state_index = 1; 229 230 switch (rdev->pm.dynpm_planned_action) { 231 case DYNPM_ACTION_MINIMUM: 232 rdev->pm.requested_clock_mode_index = 0; 233 rdev->pm.dynpm_can_downclock = false; 234 break; 235 case DYNPM_ACTION_DOWNCLOCK: 236 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 237 if (rdev->pm.current_clock_mode_index == 0) { 238 rdev->pm.requested_clock_mode_index = 0; 239 rdev->pm.dynpm_can_downclock = false; 240 } else 241 rdev->pm.requested_clock_mode_index = 242 rdev->pm.current_clock_mode_index - 1; 243 } else { 244 rdev->pm.requested_clock_mode_index = 0; 245 rdev->pm.dynpm_can_downclock = false; 246 } 247 /* don't use the power state if crtcs are active and no display flag is set */ 248 if ((rdev->pm.active_crtc_count > 0) && 249 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 250 clock_info[rdev->pm.requested_clock_mode_index].flags & 251 RADEON_PM_MODE_NO_DISPLAY)) { 252 rdev->pm.requested_clock_mode_index++; 253 } 254 break; 255 case DYNPM_ACTION_UPCLOCK: 256 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 257 if (rdev->pm.current_clock_mode_index == 258 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) { 259 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index; 260 rdev->pm.dynpm_can_upclock = false; 261 } else 262 rdev->pm.requested_clock_mode_index = 263 rdev->pm.current_clock_mode_index + 1; 264 } else { 265 rdev->pm.requested_clock_mode_index = 266 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1; 267 rdev->pm.dynpm_can_upclock = false; 268 } 269 break; 270 case DYNPM_ACTION_DEFAULT: 271 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 272 rdev->pm.requested_clock_mode_index = 0; 273 rdev->pm.dynpm_can_upclock = false; 274 break; 275 case DYNPM_ACTION_NONE: 276 default: 277 DRM_ERROR("Requested mode for not defined action\n"); 278 return; 279 } 280 } 281 282 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n", 283 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 284 clock_info[rdev->pm.requested_clock_mode_index].sclk, 285 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 286 clock_info[rdev->pm.requested_clock_mode_index].mclk, 287 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 288 pcie_lanes); 289 } 290 291 void rs780_pm_init_profile(struct radeon_device *rdev) 292 { 293 if (rdev->pm.num_power_states == 2) { 294 /* default */ 295 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 296 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 297 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 298 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 299 /* low sh */ 300 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; 301 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; 302 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 303 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 304 /* mid sh */ 305 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; 306 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0; 307 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 308 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 309 /* high sh */ 310 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; 311 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 312 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 313 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 314 /* low mh */ 315 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; 316 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 317 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 318 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 319 /* mid mh */ 320 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; 321 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 322 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 323 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 324 /* high mh */ 325 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; 326 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1; 327 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 328 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 329 } else if (rdev->pm.num_power_states == 3) { 330 /* default */ 331 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 332 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 333 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 334 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 335 /* low sh */ 336 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 337 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 338 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 339 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 340 /* mid sh */ 341 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 342 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 343 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 344 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 345 /* high sh */ 346 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 347 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2; 348 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 349 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 350 /* low mh */ 351 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1; 352 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1; 353 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 354 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 355 /* mid mh */ 356 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1; 357 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1; 358 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 359 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 360 /* high mh */ 361 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1; 362 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 363 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 364 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 365 } else { 366 /* default */ 367 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 368 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 369 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 370 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 371 /* low sh */ 372 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2; 373 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2; 374 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 375 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 376 /* mid sh */ 377 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2; 378 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2; 379 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 380 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 381 /* high sh */ 382 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2; 383 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3; 384 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 385 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 386 /* low mh */ 387 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 388 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 389 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 390 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 391 /* mid mh */ 392 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 393 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 394 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 395 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 396 /* high mh */ 397 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 398 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3; 399 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 400 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 401 } 402 } 403 404 void r600_pm_init_profile(struct radeon_device *rdev) 405 { 406 int idx; 407 408 if (rdev->family == CHIP_R600) { 409 /* XXX */ 410 /* default */ 411 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 412 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 413 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 414 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 415 /* low sh */ 416 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 417 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 418 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 419 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 420 /* mid sh */ 421 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 422 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 423 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 424 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 425 /* high sh */ 426 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 427 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 428 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 429 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 430 /* low mh */ 431 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 432 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 433 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 434 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 435 /* mid mh */ 436 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 437 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 438 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 439 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 440 /* high mh */ 441 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 442 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 443 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 444 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 445 } else { 446 if (rdev->pm.num_power_states < 4) { 447 /* default */ 448 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 449 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 450 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 451 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 452 /* low sh */ 453 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 454 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 455 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 456 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 457 /* mid sh */ 458 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 459 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 460 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 461 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 462 /* high sh */ 463 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 464 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 465 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 466 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 467 /* low mh */ 468 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 469 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2; 470 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 471 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 472 /* low mh */ 473 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 474 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2; 475 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 476 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 477 /* high mh */ 478 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 479 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 480 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 481 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 482 } else { 483 /* default */ 484 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 485 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 486 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 487 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 488 /* low sh */ 489 if (rdev->flags & RADEON_IS_MOBILITY) 490 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 491 else 492 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 493 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx; 494 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx; 495 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 496 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 497 /* mid sh */ 498 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx; 499 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx; 500 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 501 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 502 /* high sh */ 503 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 504 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx; 505 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx; 506 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 507 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 508 /* low mh */ 509 if (rdev->flags & RADEON_IS_MOBILITY) 510 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1); 511 else 512 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 513 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx; 514 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx; 515 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 516 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 517 /* mid mh */ 518 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx; 519 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx; 520 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 521 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 522 /* high mh */ 523 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 524 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx; 525 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx; 526 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 527 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 528 } 529 } 530 } 531 532 void r600_pm_misc(struct radeon_device *rdev) 533 { 534 int req_ps_idx = rdev->pm.requested_power_state_index; 535 int req_cm_idx = rdev->pm.requested_clock_mode_index; 536 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx]; 537 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; 538 539 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { 540 /* 0xff01 is a flag rather then an actual voltage */ 541 if (voltage->voltage == 0xff01) 542 return; 543 if (voltage->voltage != rdev->pm.current_vddc) { 544 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); 545 rdev->pm.current_vddc = voltage->voltage; 546 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage); 547 } 548 } 549 } 550 551 bool r600_gui_idle(struct radeon_device *rdev) 552 { 553 if (RREG32(GRBM_STATUS) & GUI_ACTIVE) 554 return false; 555 else 556 return true; 557 } 558 559 /* hpd for digital panel detect/disconnect */ 560 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 561 { 562 bool connected = false; 563 564 if (ASIC_IS_DCE3(rdev)) { 565 switch (hpd) { 566 case RADEON_HPD_1: 567 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) 568 connected = true; 569 break; 570 case RADEON_HPD_2: 571 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) 572 connected = true; 573 break; 574 case RADEON_HPD_3: 575 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) 576 connected = true; 577 break; 578 case RADEON_HPD_4: 579 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) 580 connected = true; 581 break; 582 /* DCE 3.2 */ 583 case RADEON_HPD_5: 584 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) 585 connected = true; 586 break; 587 case RADEON_HPD_6: 588 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) 589 connected = true; 590 break; 591 default: 592 break; 593 } 594 } else { 595 switch (hpd) { 596 case RADEON_HPD_1: 597 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 598 connected = true; 599 break; 600 case RADEON_HPD_2: 601 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 602 connected = true; 603 break; 604 case RADEON_HPD_3: 605 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 606 connected = true; 607 break; 608 default: 609 break; 610 } 611 } 612 return connected; 613 } 614 615 void r600_hpd_set_polarity(struct radeon_device *rdev, 616 enum radeon_hpd_id hpd) 617 { 618 u32 tmp; 619 bool connected = r600_hpd_sense(rdev, hpd); 620 621 if (ASIC_IS_DCE3(rdev)) { 622 switch (hpd) { 623 case RADEON_HPD_1: 624 tmp = RREG32(DC_HPD1_INT_CONTROL); 625 if (connected) 626 tmp &= ~DC_HPDx_INT_POLARITY; 627 else 628 tmp |= DC_HPDx_INT_POLARITY; 629 WREG32(DC_HPD1_INT_CONTROL, tmp); 630 break; 631 case RADEON_HPD_2: 632 tmp = RREG32(DC_HPD2_INT_CONTROL); 633 if (connected) 634 tmp &= ~DC_HPDx_INT_POLARITY; 635 else 636 tmp |= DC_HPDx_INT_POLARITY; 637 WREG32(DC_HPD2_INT_CONTROL, tmp); 638 break; 639 case RADEON_HPD_3: 640 tmp = RREG32(DC_HPD3_INT_CONTROL); 641 if (connected) 642 tmp &= ~DC_HPDx_INT_POLARITY; 643 else 644 tmp |= DC_HPDx_INT_POLARITY; 645 WREG32(DC_HPD3_INT_CONTROL, tmp); 646 break; 647 case RADEON_HPD_4: 648 tmp = RREG32(DC_HPD4_INT_CONTROL); 649 if (connected) 650 tmp &= ~DC_HPDx_INT_POLARITY; 651 else 652 tmp |= DC_HPDx_INT_POLARITY; 653 WREG32(DC_HPD4_INT_CONTROL, tmp); 654 break; 655 case RADEON_HPD_5: 656 tmp = RREG32(DC_HPD5_INT_CONTROL); 657 if (connected) 658 tmp &= ~DC_HPDx_INT_POLARITY; 659 else 660 tmp |= DC_HPDx_INT_POLARITY; 661 WREG32(DC_HPD5_INT_CONTROL, tmp); 662 break; 663 /* DCE 3.2 */ 664 case RADEON_HPD_6: 665 tmp = RREG32(DC_HPD6_INT_CONTROL); 666 if (connected) 667 tmp &= ~DC_HPDx_INT_POLARITY; 668 else 669 tmp |= DC_HPDx_INT_POLARITY; 670 WREG32(DC_HPD6_INT_CONTROL, tmp); 671 break; 672 default: 673 break; 674 } 675 } else { 676 switch (hpd) { 677 case RADEON_HPD_1: 678 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 679 if (connected) 680 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 681 else 682 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 683 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 684 break; 685 case RADEON_HPD_2: 686 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 687 if (connected) 688 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 689 else 690 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 691 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 692 break; 693 case RADEON_HPD_3: 694 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 695 if (connected) 696 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 697 else 698 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 699 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 700 break; 701 default: 702 break; 703 } 704 } 705 } 706 707 void r600_hpd_init(struct radeon_device *rdev) 708 { 709 struct drm_device *dev = rdev->ddev; 710 struct drm_connector *connector; 711 712 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 713 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 714 715 if (ASIC_IS_DCE3(rdev)) { 716 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); 717 if (ASIC_IS_DCE32(rdev)) 718 tmp |= DC_HPDx_EN; 719 720 switch (radeon_connector->hpd.hpd) { 721 case RADEON_HPD_1: 722 WREG32(DC_HPD1_CONTROL, tmp); 723 rdev->irq.hpd[0] = true; 724 break; 725 case RADEON_HPD_2: 726 WREG32(DC_HPD2_CONTROL, tmp); 727 rdev->irq.hpd[1] = true; 728 break; 729 case RADEON_HPD_3: 730 WREG32(DC_HPD3_CONTROL, tmp); 731 rdev->irq.hpd[2] = true; 732 break; 733 case RADEON_HPD_4: 734 WREG32(DC_HPD4_CONTROL, tmp); 735 rdev->irq.hpd[3] = true; 736 break; 737 /* DCE 3.2 */ 738 case RADEON_HPD_5: 739 WREG32(DC_HPD5_CONTROL, tmp); 740 rdev->irq.hpd[4] = true; 741 break; 742 case RADEON_HPD_6: 743 WREG32(DC_HPD6_CONTROL, tmp); 744 rdev->irq.hpd[5] = true; 745 break; 746 default: 747 break; 748 } 749 } else { 750 switch (radeon_connector->hpd.hpd) { 751 case RADEON_HPD_1: 752 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN); 753 rdev->irq.hpd[0] = true; 754 break; 755 case RADEON_HPD_2: 756 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN); 757 rdev->irq.hpd[1] = true; 758 break; 759 case RADEON_HPD_3: 760 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN); 761 rdev->irq.hpd[2] = true; 762 break; 763 default: 764 break; 765 } 766 } 767 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 768 } 769 if (rdev->irq.installed) 770 r600_irq_set(rdev); 771 } 772 773 void r600_hpd_fini(struct radeon_device *rdev) 774 { 775 struct drm_device *dev = rdev->ddev; 776 struct drm_connector *connector; 777 778 if (ASIC_IS_DCE3(rdev)) { 779 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 780 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 781 switch (radeon_connector->hpd.hpd) { 782 case RADEON_HPD_1: 783 WREG32(DC_HPD1_CONTROL, 0); 784 rdev->irq.hpd[0] = false; 785 break; 786 case RADEON_HPD_2: 787 WREG32(DC_HPD2_CONTROL, 0); 788 rdev->irq.hpd[1] = false; 789 break; 790 case RADEON_HPD_3: 791 WREG32(DC_HPD3_CONTROL, 0); 792 rdev->irq.hpd[2] = false; 793 break; 794 case RADEON_HPD_4: 795 WREG32(DC_HPD4_CONTROL, 0); 796 rdev->irq.hpd[3] = false; 797 break; 798 /* DCE 3.2 */ 799 case RADEON_HPD_5: 800 WREG32(DC_HPD5_CONTROL, 0); 801 rdev->irq.hpd[4] = false; 802 break; 803 case RADEON_HPD_6: 804 WREG32(DC_HPD6_CONTROL, 0); 805 rdev->irq.hpd[5] = false; 806 break; 807 default: 808 break; 809 } 810 } 811 } else { 812 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 813 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 814 switch (radeon_connector->hpd.hpd) { 815 case RADEON_HPD_1: 816 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0); 817 rdev->irq.hpd[0] = false; 818 break; 819 case RADEON_HPD_2: 820 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0); 821 rdev->irq.hpd[1] = false; 822 break; 823 case RADEON_HPD_3: 824 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0); 825 rdev->irq.hpd[2] = false; 826 break; 827 default: 828 break; 829 } 830 } 831 } 832 } 833 834 /* 835 * R600 PCIE GART 836 */ 837 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev) 838 { 839 unsigned i; 840 u32 tmp; 841 842 /* flush hdp cache so updates hit vram */ 843 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 844 !(rdev->flags & RADEON_IS_AGP)) { 845 void __iomem *ptr = (void *)rdev->gart.ptr; 846 u32 tmp; 847 848 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 849 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL 850 * This seems to cause problems on some AGP cards. Just use the old 851 * method for them. 852 */ 853 WREG32(HDP_DEBUG1, 0); 854 tmp = readl((void __iomem *)ptr); 855 } else 856 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 857 858 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12); 859 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12); 860 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); 861 for (i = 0; i < rdev->usec_timeout; i++) { 862 /* read MC_STATUS */ 863 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); 864 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; 865 if (tmp == 2) { 866 printk(KERN_WARNING "[drm] r600 flush TLB failed\n"); 867 return; 868 } 869 if (tmp) { 870 return; 871 } 872 udelay(1); 873 } 874 } 875 876 int r600_pcie_gart_init(struct radeon_device *rdev) 877 { 878 int r; 879 880 if (rdev->gart.robj) { 881 WARN(1, "R600 PCIE GART already initialized\n"); 882 return 0; 883 } 884 /* Initialize common gart structure */ 885 r = radeon_gart_init(rdev); 886 if (r) 887 return r; 888 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; 889 return radeon_gart_table_vram_alloc(rdev); 890 } 891 892 int r600_pcie_gart_enable(struct radeon_device *rdev) 893 { 894 u32 tmp; 895 int r, i; 896 897 if (rdev->gart.robj == NULL) { 898 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 899 return -EINVAL; 900 } 901 r = radeon_gart_table_vram_pin(rdev); 902 if (r) 903 return r; 904 radeon_gart_restore(rdev); 905 906 /* Setup L2 cache */ 907 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 908 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 909 EFFECTIVE_L2_QUEUE_SIZE(7)); 910 WREG32(VM_L2_CNTL2, 0); 911 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 912 /* Setup TLB control */ 913 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 914 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 915 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 916 ENABLE_WAIT_L2_QUERY; 917 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 918 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 919 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 920 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 921 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 922 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 923 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 924 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 925 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 926 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 927 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 928 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 929 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 930 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 931 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 932 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 933 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 934 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 935 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 936 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 937 (u32)(rdev->dummy_page.addr >> 12)); 938 for (i = 1; i < 7; i++) 939 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 940 941 r600_pcie_gart_tlb_flush(rdev); 942 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 943 (unsigned)(rdev->mc.gtt_size >> 20), 944 (unsigned long long)rdev->gart.table_addr); 945 rdev->gart.ready = true; 946 return 0; 947 } 948 949 void r600_pcie_gart_disable(struct radeon_device *rdev) 950 { 951 u32 tmp; 952 int i; 953 954 /* Disable all tables */ 955 for (i = 0; i < 7; i++) 956 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 957 958 /* Disable L2 cache */ 959 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | 960 EFFECTIVE_L2_QUEUE_SIZE(7)); 961 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 962 /* Setup L1 TLB control */ 963 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 964 ENABLE_WAIT_L2_QUERY; 965 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 966 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 967 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 968 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 969 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 970 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 971 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 972 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 973 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp); 974 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp); 975 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 976 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 977 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp); 978 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 979 radeon_gart_table_vram_unpin(rdev); 980 } 981 982 void r600_pcie_gart_fini(struct radeon_device *rdev) 983 { 984 radeon_gart_fini(rdev); 985 r600_pcie_gart_disable(rdev); 986 radeon_gart_table_vram_free(rdev); 987 } 988 989 void r600_agp_enable(struct radeon_device *rdev) 990 { 991 u32 tmp; 992 int i; 993 994 /* Setup L2 cache */ 995 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 996 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 997 EFFECTIVE_L2_QUEUE_SIZE(7)); 998 WREG32(VM_L2_CNTL2, 0); 999 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1000 /* Setup TLB control */ 1001 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1002 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1003 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1004 ENABLE_WAIT_L2_QUERY; 1005 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1006 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1007 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 1008 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1009 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1010 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1011 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1012 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1013 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1014 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1015 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1016 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1017 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1018 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1019 for (i = 0; i < 7; i++) 1020 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1021 } 1022 1023 int r600_mc_wait_for_idle(struct radeon_device *rdev) 1024 { 1025 unsigned i; 1026 u32 tmp; 1027 1028 for (i = 0; i < rdev->usec_timeout; i++) { 1029 /* read MC_STATUS */ 1030 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00; 1031 if (!tmp) 1032 return 0; 1033 udelay(1); 1034 } 1035 return -1; 1036 } 1037 1038 static void r600_mc_program(struct radeon_device *rdev) 1039 { 1040 struct rv515_mc_save save; 1041 u32 tmp; 1042 int i, j; 1043 1044 /* Initialize HDP */ 1045 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1046 WREG32((0x2c14 + j), 0x00000000); 1047 WREG32((0x2c18 + j), 0x00000000); 1048 WREG32((0x2c1c + j), 0x00000000); 1049 WREG32((0x2c20 + j), 0x00000000); 1050 WREG32((0x2c24 + j), 0x00000000); 1051 } 1052 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); 1053 1054 rv515_mc_stop(rdev, &save); 1055 if (r600_mc_wait_for_idle(rdev)) { 1056 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1057 } 1058 /* Lockout access through VGA aperture (doesn't exist before R600) */ 1059 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); 1060 /* Update configuration */ 1061 if (rdev->flags & RADEON_IS_AGP) { 1062 if (rdev->mc.vram_start < rdev->mc.gtt_start) { 1063 /* VRAM before AGP */ 1064 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1065 rdev->mc.vram_start >> 12); 1066 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1067 rdev->mc.gtt_end >> 12); 1068 } else { 1069 /* VRAM after AGP */ 1070 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1071 rdev->mc.gtt_start >> 12); 1072 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1073 rdev->mc.vram_end >> 12); 1074 } 1075 } else { 1076 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); 1077 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12); 1078 } 1079 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12); 1080 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; 1081 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); 1082 WREG32(MC_VM_FB_LOCATION, tmp); 1083 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); 1084 WREG32(HDP_NONSURFACE_INFO, (2 << 7)); 1085 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); 1086 if (rdev->flags & RADEON_IS_AGP) { 1087 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22); 1088 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22); 1089 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); 1090 } else { 1091 WREG32(MC_VM_AGP_BASE, 0); 1092 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); 1093 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); 1094 } 1095 if (r600_mc_wait_for_idle(rdev)) { 1096 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1097 } 1098 rv515_mc_resume(rdev, &save); 1099 /* we need to own VRAM, so turn off the VGA renderer here 1100 * to stop it overwriting our objects */ 1101 rv515_vga_render_disable(rdev); 1102 } 1103 1104 /** 1105 * r600_vram_gtt_location - try to find VRAM & GTT location 1106 * @rdev: radeon device structure holding all necessary informations 1107 * @mc: memory controller structure holding memory informations 1108 * 1109 * Function will place try to place VRAM at same place as in CPU (PCI) 1110 * address space as some GPU seems to have issue when we reprogram at 1111 * different address space. 1112 * 1113 * If there is not enough space to fit the unvisible VRAM after the 1114 * aperture then we limit the VRAM size to the aperture. 1115 * 1116 * If we are using AGP then place VRAM adjacent to AGP aperture are we need 1117 * them to be in one from GPU point of view so that we can program GPU to 1118 * catch access outside them (weird GPU policy see ??). 1119 * 1120 * This function will never fails, worst case are limiting VRAM or GTT. 1121 * 1122 * Note: GTT start, end, size should be initialized before calling this 1123 * function on AGP platform. 1124 */ 1125 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) 1126 { 1127 u64 size_bf, size_af; 1128 1129 if (mc->mc_vram_size > 0xE0000000) { 1130 /* leave room for at least 512M GTT */ 1131 dev_warn(rdev->dev, "limiting VRAM\n"); 1132 mc->real_vram_size = 0xE0000000; 1133 mc->mc_vram_size = 0xE0000000; 1134 } 1135 if (rdev->flags & RADEON_IS_AGP) { 1136 size_bf = mc->gtt_start; 1137 size_af = 0xFFFFFFFF - mc->gtt_end + 1; 1138 if (size_bf > size_af) { 1139 if (mc->mc_vram_size > size_bf) { 1140 dev_warn(rdev->dev, "limiting VRAM\n"); 1141 mc->real_vram_size = size_bf; 1142 mc->mc_vram_size = size_bf; 1143 } 1144 mc->vram_start = mc->gtt_start - mc->mc_vram_size; 1145 } else { 1146 if (mc->mc_vram_size > size_af) { 1147 dev_warn(rdev->dev, "limiting VRAM\n"); 1148 mc->real_vram_size = size_af; 1149 mc->mc_vram_size = size_af; 1150 } 1151 mc->vram_start = mc->gtt_end; 1152 } 1153 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; 1154 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n", 1155 mc->mc_vram_size >> 20, mc->vram_start, 1156 mc->vram_end, mc->real_vram_size >> 20); 1157 } else { 1158 u64 base = 0; 1159 if (rdev->flags & RADEON_IS_IGP) { 1160 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF; 1161 base <<= 24; 1162 } 1163 radeon_vram_location(rdev, &rdev->mc, base); 1164 rdev->mc.gtt_base_align = 0; 1165 radeon_gtt_location(rdev, mc); 1166 } 1167 } 1168 1169 int r600_mc_init(struct radeon_device *rdev) 1170 { 1171 u32 tmp; 1172 int chansize, numchan; 1173 1174 /* Get VRAM informations */ 1175 rdev->mc.vram_is_ddr = true; 1176 tmp = RREG32(RAMCFG); 1177 if (tmp & CHANSIZE_OVERRIDE) { 1178 chansize = 16; 1179 } else if (tmp & CHANSIZE_MASK) { 1180 chansize = 64; 1181 } else { 1182 chansize = 32; 1183 } 1184 tmp = RREG32(CHMAP); 1185 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 1186 case 0: 1187 default: 1188 numchan = 1; 1189 break; 1190 case 1: 1191 numchan = 2; 1192 break; 1193 case 2: 1194 numchan = 4; 1195 break; 1196 case 3: 1197 numchan = 8; 1198 break; 1199 } 1200 rdev->mc.vram_width = numchan * chansize; 1201 /* Could aper size report 0 ? */ 1202 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 1203 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 1204 /* Setup GPU memory space */ 1205 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); 1206 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); 1207 rdev->mc.visible_vram_size = rdev->mc.aper_size; 1208 r600_vram_gtt_location(rdev, &rdev->mc); 1209 1210 if (rdev->flags & RADEON_IS_IGP) { 1211 rs690_pm_info(rdev); 1212 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); 1213 } 1214 radeon_update_bandwidth_info(rdev); 1215 return 0; 1216 } 1217 1218 int r600_vram_scratch_init(struct radeon_device *rdev) 1219 { 1220 int r; 1221 1222 if (rdev->vram_scratch.robj == NULL) { 1223 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, 1224 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, 1225 &rdev->vram_scratch.robj); 1226 if (r) { 1227 return r; 1228 } 1229 } 1230 1231 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1232 if (unlikely(r != 0)) 1233 return r; 1234 r = radeon_bo_pin(rdev->vram_scratch.robj, 1235 RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr); 1236 if (r) { 1237 radeon_bo_unreserve(rdev->vram_scratch.robj); 1238 return r; 1239 } 1240 r = radeon_bo_kmap(rdev->vram_scratch.robj, 1241 (void **)&rdev->vram_scratch.ptr); 1242 if (r) 1243 radeon_bo_unpin(rdev->vram_scratch.robj); 1244 radeon_bo_unreserve(rdev->vram_scratch.robj); 1245 1246 return r; 1247 } 1248 1249 void r600_vram_scratch_fini(struct radeon_device *rdev) 1250 { 1251 int r; 1252 1253 if (rdev->vram_scratch.robj == NULL) { 1254 return; 1255 } 1256 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1257 if (likely(r == 0)) { 1258 radeon_bo_kunmap(rdev->vram_scratch.robj); 1259 radeon_bo_unpin(rdev->vram_scratch.robj); 1260 radeon_bo_unreserve(rdev->vram_scratch.robj); 1261 } 1262 radeon_bo_unref(&rdev->vram_scratch.robj); 1263 } 1264 1265 /* We doesn't check that the GPU really needs a reset we simply do the 1266 * reset, it's up to the caller to determine if the GPU needs one. We 1267 * might add an helper function to check that. 1268 */ 1269 int r600_gpu_soft_reset(struct radeon_device *rdev) 1270 { 1271 struct rv515_mc_save save; 1272 u32 grbm_busy_mask = S_008010_VC_BUSY(1) | S_008010_VGT_BUSY_NO_DMA(1) | 1273 S_008010_VGT_BUSY(1) | S_008010_TA03_BUSY(1) | 1274 S_008010_TC_BUSY(1) | S_008010_SX_BUSY(1) | 1275 S_008010_SH_BUSY(1) | S_008010_SPI03_BUSY(1) | 1276 S_008010_SMX_BUSY(1) | S_008010_SC_BUSY(1) | 1277 S_008010_PA_BUSY(1) | S_008010_DB03_BUSY(1) | 1278 S_008010_CR_BUSY(1) | S_008010_CB03_BUSY(1) | 1279 S_008010_GUI_ACTIVE(1); 1280 u32 grbm2_busy_mask = S_008014_SPI0_BUSY(1) | S_008014_SPI1_BUSY(1) | 1281 S_008014_SPI2_BUSY(1) | S_008014_SPI3_BUSY(1) | 1282 S_008014_TA0_BUSY(1) | S_008014_TA1_BUSY(1) | 1283 S_008014_TA2_BUSY(1) | S_008014_TA3_BUSY(1) | 1284 S_008014_DB0_BUSY(1) | S_008014_DB1_BUSY(1) | 1285 S_008014_DB2_BUSY(1) | S_008014_DB3_BUSY(1) | 1286 S_008014_CB0_BUSY(1) | S_008014_CB1_BUSY(1) | 1287 S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1); 1288 u32 tmp; 1289 1290 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) 1291 return 0; 1292 1293 dev_info(rdev->dev, "GPU softreset \n"); 1294 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", 1295 RREG32(R_008010_GRBM_STATUS)); 1296 dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", 1297 RREG32(R_008014_GRBM_STATUS2)); 1298 dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", 1299 RREG32(R_000E50_SRBM_STATUS)); 1300 rv515_mc_stop(rdev, &save); 1301 if (r600_mc_wait_for_idle(rdev)) { 1302 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1303 } 1304 /* Disable CP parsing/prefetching */ 1305 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1306 /* Check if any of the rendering block is busy and reset it */ 1307 if ((RREG32(R_008010_GRBM_STATUS) & grbm_busy_mask) || 1308 (RREG32(R_008014_GRBM_STATUS2) & grbm2_busy_mask)) { 1309 tmp = S_008020_SOFT_RESET_CR(1) | 1310 S_008020_SOFT_RESET_DB(1) | 1311 S_008020_SOFT_RESET_CB(1) | 1312 S_008020_SOFT_RESET_PA(1) | 1313 S_008020_SOFT_RESET_SC(1) | 1314 S_008020_SOFT_RESET_SMX(1) | 1315 S_008020_SOFT_RESET_SPI(1) | 1316 S_008020_SOFT_RESET_SX(1) | 1317 S_008020_SOFT_RESET_SH(1) | 1318 S_008020_SOFT_RESET_TC(1) | 1319 S_008020_SOFT_RESET_TA(1) | 1320 S_008020_SOFT_RESET_VC(1) | 1321 S_008020_SOFT_RESET_VGT(1); 1322 dev_info(rdev->dev, " R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); 1323 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1324 RREG32(R_008020_GRBM_SOFT_RESET); 1325 mdelay(15); 1326 WREG32(R_008020_GRBM_SOFT_RESET, 0); 1327 } 1328 /* Reset CP (we always reset CP) */ 1329 tmp = S_008020_SOFT_RESET_CP(1); 1330 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); 1331 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1332 RREG32(R_008020_GRBM_SOFT_RESET); 1333 mdelay(15); 1334 WREG32(R_008020_GRBM_SOFT_RESET, 0); 1335 /* Wait a little for things to settle down */ 1336 mdelay(1); 1337 dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", 1338 RREG32(R_008010_GRBM_STATUS)); 1339 dev_info(rdev->dev, " R_008014_GRBM_STATUS2=0x%08X\n", 1340 RREG32(R_008014_GRBM_STATUS2)); 1341 dev_info(rdev->dev, " R_000E50_SRBM_STATUS=0x%08X\n", 1342 RREG32(R_000E50_SRBM_STATUS)); 1343 rv515_mc_resume(rdev, &save); 1344 return 0; 1345 } 1346 1347 bool r600_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 1348 { 1349 u32 srbm_status; 1350 u32 grbm_status; 1351 u32 grbm_status2; 1352 struct r100_gpu_lockup *lockup; 1353 int r; 1354 1355 if (rdev->family >= CHIP_RV770) 1356 lockup = &rdev->config.rv770.lockup; 1357 else 1358 lockup = &rdev->config.r600.lockup; 1359 1360 srbm_status = RREG32(R_000E50_SRBM_STATUS); 1361 grbm_status = RREG32(R_008010_GRBM_STATUS); 1362 grbm_status2 = RREG32(R_008014_GRBM_STATUS2); 1363 if (!G_008010_GUI_ACTIVE(grbm_status)) { 1364 r100_gpu_lockup_update(lockup, ring); 1365 return false; 1366 } 1367 /* force CP activities */ 1368 r = radeon_ring_lock(rdev, ring, 2); 1369 if (!r) { 1370 /* PACKET2 NOP */ 1371 radeon_ring_write(ring, 0x80000000); 1372 radeon_ring_write(ring, 0x80000000); 1373 radeon_ring_unlock_commit(rdev, ring); 1374 } 1375 ring->rptr = RREG32(ring->rptr_reg); 1376 return r100_gpu_cp_is_lockup(rdev, lockup, ring); 1377 } 1378 1379 int r600_asic_reset(struct radeon_device *rdev) 1380 { 1381 return r600_gpu_soft_reset(rdev); 1382 } 1383 1384 static u32 r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes, 1385 u32 num_backends, 1386 u32 backend_disable_mask) 1387 { 1388 u32 backend_map = 0; 1389 u32 enabled_backends_mask; 1390 u32 enabled_backends_count; 1391 u32 cur_pipe; 1392 u32 swizzle_pipe[R6XX_MAX_PIPES]; 1393 u32 cur_backend; 1394 u32 i; 1395 1396 if (num_tile_pipes > R6XX_MAX_PIPES) 1397 num_tile_pipes = R6XX_MAX_PIPES; 1398 if (num_tile_pipes < 1) 1399 num_tile_pipes = 1; 1400 if (num_backends > R6XX_MAX_BACKENDS) 1401 num_backends = R6XX_MAX_BACKENDS; 1402 if (num_backends < 1) 1403 num_backends = 1; 1404 1405 enabled_backends_mask = 0; 1406 enabled_backends_count = 0; 1407 for (i = 0; i < R6XX_MAX_BACKENDS; ++i) { 1408 if (((backend_disable_mask >> i) & 1) == 0) { 1409 enabled_backends_mask |= (1 << i); 1410 ++enabled_backends_count; 1411 } 1412 if (enabled_backends_count == num_backends) 1413 break; 1414 } 1415 1416 if (enabled_backends_count == 0) { 1417 enabled_backends_mask = 1; 1418 enabled_backends_count = 1; 1419 } 1420 1421 if (enabled_backends_count != num_backends) 1422 num_backends = enabled_backends_count; 1423 1424 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R6XX_MAX_PIPES); 1425 switch (num_tile_pipes) { 1426 case 1: 1427 swizzle_pipe[0] = 0; 1428 break; 1429 case 2: 1430 swizzle_pipe[0] = 0; 1431 swizzle_pipe[1] = 1; 1432 break; 1433 case 3: 1434 swizzle_pipe[0] = 0; 1435 swizzle_pipe[1] = 1; 1436 swizzle_pipe[2] = 2; 1437 break; 1438 case 4: 1439 swizzle_pipe[0] = 0; 1440 swizzle_pipe[1] = 1; 1441 swizzle_pipe[2] = 2; 1442 swizzle_pipe[3] = 3; 1443 break; 1444 case 5: 1445 swizzle_pipe[0] = 0; 1446 swizzle_pipe[1] = 1; 1447 swizzle_pipe[2] = 2; 1448 swizzle_pipe[3] = 3; 1449 swizzle_pipe[4] = 4; 1450 break; 1451 case 6: 1452 swizzle_pipe[0] = 0; 1453 swizzle_pipe[1] = 2; 1454 swizzle_pipe[2] = 4; 1455 swizzle_pipe[3] = 5; 1456 swizzle_pipe[4] = 1; 1457 swizzle_pipe[5] = 3; 1458 break; 1459 case 7: 1460 swizzle_pipe[0] = 0; 1461 swizzle_pipe[1] = 2; 1462 swizzle_pipe[2] = 4; 1463 swizzle_pipe[3] = 6; 1464 swizzle_pipe[4] = 1; 1465 swizzle_pipe[5] = 3; 1466 swizzle_pipe[6] = 5; 1467 break; 1468 case 8: 1469 swizzle_pipe[0] = 0; 1470 swizzle_pipe[1] = 2; 1471 swizzle_pipe[2] = 4; 1472 swizzle_pipe[3] = 6; 1473 swizzle_pipe[4] = 1; 1474 swizzle_pipe[5] = 3; 1475 swizzle_pipe[6] = 5; 1476 swizzle_pipe[7] = 7; 1477 break; 1478 } 1479 1480 cur_backend = 0; 1481 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) { 1482 while (((1 << cur_backend) & enabled_backends_mask) == 0) 1483 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS; 1484 1485 backend_map |= (u32)(((cur_backend & 3) << (swizzle_pipe[cur_pipe] * 2))); 1486 1487 cur_backend = (cur_backend + 1) % R6XX_MAX_BACKENDS; 1488 } 1489 1490 return backend_map; 1491 } 1492 1493 int r600_count_pipe_bits(uint32_t val) 1494 { 1495 int i, ret = 0; 1496 1497 for (i = 0; i < 32; i++) { 1498 ret += val & 1; 1499 val >>= 1; 1500 } 1501 return ret; 1502 } 1503 1504 void r600_gpu_init(struct radeon_device *rdev) 1505 { 1506 u32 tiling_config; 1507 u32 ramcfg; 1508 u32 backend_map; 1509 u32 cc_rb_backend_disable; 1510 u32 cc_gc_shader_pipe_config; 1511 u32 tmp; 1512 int i, j; 1513 u32 sq_config; 1514 u32 sq_gpr_resource_mgmt_1 = 0; 1515 u32 sq_gpr_resource_mgmt_2 = 0; 1516 u32 sq_thread_resource_mgmt = 0; 1517 u32 sq_stack_resource_mgmt_1 = 0; 1518 u32 sq_stack_resource_mgmt_2 = 0; 1519 1520 /* FIXME: implement */ 1521 switch (rdev->family) { 1522 case CHIP_R600: 1523 rdev->config.r600.max_pipes = 4; 1524 rdev->config.r600.max_tile_pipes = 8; 1525 rdev->config.r600.max_simds = 4; 1526 rdev->config.r600.max_backends = 4; 1527 rdev->config.r600.max_gprs = 256; 1528 rdev->config.r600.max_threads = 192; 1529 rdev->config.r600.max_stack_entries = 256; 1530 rdev->config.r600.max_hw_contexts = 8; 1531 rdev->config.r600.max_gs_threads = 16; 1532 rdev->config.r600.sx_max_export_size = 128; 1533 rdev->config.r600.sx_max_export_pos_size = 16; 1534 rdev->config.r600.sx_max_export_smx_size = 128; 1535 rdev->config.r600.sq_num_cf_insts = 2; 1536 break; 1537 case CHIP_RV630: 1538 case CHIP_RV635: 1539 rdev->config.r600.max_pipes = 2; 1540 rdev->config.r600.max_tile_pipes = 2; 1541 rdev->config.r600.max_simds = 3; 1542 rdev->config.r600.max_backends = 1; 1543 rdev->config.r600.max_gprs = 128; 1544 rdev->config.r600.max_threads = 192; 1545 rdev->config.r600.max_stack_entries = 128; 1546 rdev->config.r600.max_hw_contexts = 8; 1547 rdev->config.r600.max_gs_threads = 4; 1548 rdev->config.r600.sx_max_export_size = 128; 1549 rdev->config.r600.sx_max_export_pos_size = 16; 1550 rdev->config.r600.sx_max_export_smx_size = 128; 1551 rdev->config.r600.sq_num_cf_insts = 2; 1552 break; 1553 case CHIP_RV610: 1554 case CHIP_RV620: 1555 case CHIP_RS780: 1556 case CHIP_RS880: 1557 rdev->config.r600.max_pipes = 1; 1558 rdev->config.r600.max_tile_pipes = 1; 1559 rdev->config.r600.max_simds = 2; 1560 rdev->config.r600.max_backends = 1; 1561 rdev->config.r600.max_gprs = 128; 1562 rdev->config.r600.max_threads = 192; 1563 rdev->config.r600.max_stack_entries = 128; 1564 rdev->config.r600.max_hw_contexts = 4; 1565 rdev->config.r600.max_gs_threads = 4; 1566 rdev->config.r600.sx_max_export_size = 128; 1567 rdev->config.r600.sx_max_export_pos_size = 16; 1568 rdev->config.r600.sx_max_export_smx_size = 128; 1569 rdev->config.r600.sq_num_cf_insts = 1; 1570 break; 1571 case CHIP_RV670: 1572 rdev->config.r600.max_pipes = 4; 1573 rdev->config.r600.max_tile_pipes = 4; 1574 rdev->config.r600.max_simds = 4; 1575 rdev->config.r600.max_backends = 4; 1576 rdev->config.r600.max_gprs = 192; 1577 rdev->config.r600.max_threads = 192; 1578 rdev->config.r600.max_stack_entries = 256; 1579 rdev->config.r600.max_hw_contexts = 8; 1580 rdev->config.r600.max_gs_threads = 16; 1581 rdev->config.r600.sx_max_export_size = 128; 1582 rdev->config.r600.sx_max_export_pos_size = 16; 1583 rdev->config.r600.sx_max_export_smx_size = 128; 1584 rdev->config.r600.sq_num_cf_insts = 2; 1585 break; 1586 default: 1587 break; 1588 } 1589 1590 /* Initialize HDP */ 1591 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1592 WREG32((0x2c14 + j), 0x00000000); 1593 WREG32((0x2c18 + j), 0x00000000); 1594 WREG32((0x2c1c + j), 0x00000000); 1595 WREG32((0x2c20 + j), 0x00000000); 1596 WREG32((0x2c24 + j), 0x00000000); 1597 } 1598 1599 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 1600 1601 /* Setup tiling */ 1602 tiling_config = 0; 1603 ramcfg = RREG32(RAMCFG); 1604 switch (rdev->config.r600.max_tile_pipes) { 1605 case 1: 1606 tiling_config |= PIPE_TILING(0); 1607 break; 1608 case 2: 1609 tiling_config |= PIPE_TILING(1); 1610 break; 1611 case 4: 1612 tiling_config |= PIPE_TILING(2); 1613 break; 1614 case 8: 1615 tiling_config |= PIPE_TILING(3); 1616 break; 1617 default: 1618 break; 1619 } 1620 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes; 1621 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1622 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1623 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); 1624 if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) 1625 rdev->config.r600.tiling_group_size = 512; 1626 else 1627 rdev->config.r600.tiling_group_size = 256; 1628 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT; 1629 if (tmp > 3) { 1630 tiling_config |= ROW_TILING(3); 1631 tiling_config |= SAMPLE_SPLIT(3); 1632 } else { 1633 tiling_config |= ROW_TILING(tmp); 1634 tiling_config |= SAMPLE_SPLIT(tmp); 1635 } 1636 tiling_config |= BANK_SWAPS(1); 1637 1638 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000; 1639 cc_rb_backend_disable |= 1640 BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK); 1641 1642 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00; 1643 cc_gc_shader_pipe_config |= 1644 INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK); 1645 cc_gc_shader_pipe_config |= 1646 INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK); 1647 1648 backend_map = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes, 1649 (R6XX_MAX_BACKENDS - 1650 r600_count_pipe_bits((cc_rb_backend_disable & 1651 R6XX_MAX_BACKENDS_MASK) >> 16)), 1652 (cc_rb_backend_disable >> 16)); 1653 rdev->config.r600.tile_config = tiling_config; 1654 rdev->config.r600.backend_map = backend_map; 1655 tiling_config |= BACKEND_MAP(backend_map); 1656 WREG32(GB_TILING_CONFIG, tiling_config); 1657 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff); 1658 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff); 1659 1660 /* Setup pipes */ 1661 WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable); 1662 WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config); 1663 WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config); 1664 1665 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8); 1666 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK); 1667 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK); 1668 1669 /* Setup some CP states */ 1670 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b))); 1671 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40))); 1672 1673 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT | 1674 SYNC_WALKER | SYNC_ALIGNER)); 1675 /* Setup various GPU states */ 1676 if (rdev->family == CHIP_RV670) 1677 WREG32(ARB_GDEC_RD_CNTL, 0x00000021); 1678 1679 tmp = RREG32(SX_DEBUG_1); 1680 tmp |= SMX_EVENT_RELEASE; 1681 if ((rdev->family > CHIP_R600)) 1682 tmp |= ENABLE_NEW_SMX_ADDRESS; 1683 WREG32(SX_DEBUG_1, tmp); 1684 1685 if (((rdev->family) == CHIP_R600) || 1686 ((rdev->family) == CHIP_RV630) || 1687 ((rdev->family) == CHIP_RV610) || 1688 ((rdev->family) == CHIP_RV620) || 1689 ((rdev->family) == CHIP_RS780) || 1690 ((rdev->family) == CHIP_RS880)) { 1691 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE); 1692 } else { 1693 WREG32(DB_DEBUG, 0); 1694 } 1695 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) | 1696 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4))); 1697 1698 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 1699 WREG32(VGT_NUM_INSTANCES, 0); 1700 1701 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0)); 1702 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0)); 1703 1704 tmp = RREG32(SQ_MS_FIFO_SIZES); 1705 if (((rdev->family) == CHIP_RV610) || 1706 ((rdev->family) == CHIP_RV620) || 1707 ((rdev->family) == CHIP_RS780) || 1708 ((rdev->family) == CHIP_RS880)) { 1709 tmp = (CACHE_FIFO_SIZE(0xa) | 1710 FETCH_FIFO_HIWATER(0xa) | 1711 DONE_FIFO_HIWATER(0xe0) | 1712 ALU_UPDATE_FIFO_HIWATER(0x8)); 1713 } else if (((rdev->family) == CHIP_R600) || 1714 ((rdev->family) == CHIP_RV630)) { 1715 tmp &= ~DONE_FIFO_HIWATER(0xff); 1716 tmp |= DONE_FIFO_HIWATER(0x4); 1717 } 1718 WREG32(SQ_MS_FIFO_SIZES, tmp); 1719 1720 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT 1721 * should be adjusted as needed by the 2D/3D drivers. This just sets default values 1722 */ 1723 sq_config = RREG32(SQ_CONFIG); 1724 sq_config &= ~(PS_PRIO(3) | 1725 VS_PRIO(3) | 1726 GS_PRIO(3) | 1727 ES_PRIO(3)); 1728 sq_config |= (DX9_CONSTS | 1729 VC_ENABLE | 1730 PS_PRIO(0) | 1731 VS_PRIO(1) | 1732 GS_PRIO(2) | 1733 ES_PRIO(3)); 1734 1735 if ((rdev->family) == CHIP_R600) { 1736 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) | 1737 NUM_VS_GPRS(124) | 1738 NUM_CLAUSE_TEMP_GPRS(4)); 1739 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) | 1740 NUM_ES_GPRS(0)); 1741 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) | 1742 NUM_VS_THREADS(48) | 1743 NUM_GS_THREADS(4) | 1744 NUM_ES_THREADS(4)); 1745 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) | 1746 NUM_VS_STACK_ENTRIES(128)); 1747 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) | 1748 NUM_ES_STACK_ENTRIES(0)); 1749 } else if (((rdev->family) == CHIP_RV610) || 1750 ((rdev->family) == CHIP_RV620) || 1751 ((rdev->family) == CHIP_RS780) || 1752 ((rdev->family) == CHIP_RS880)) { 1753 /* no vertex cache */ 1754 sq_config &= ~VC_ENABLE; 1755 1756 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 1757 NUM_VS_GPRS(44) | 1758 NUM_CLAUSE_TEMP_GPRS(2)); 1759 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 1760 NUM_ES_GPRS(17)); 1761 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 1762 NUM_VS_THREADS(78) | 1763 NUM_GS_THREADS(4) | 1764 NUM_ES_THREADS(31)); 1765 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 1766 NUM_VS_STACK_ENTRIES(40)); 1767 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 1768 NUM_ES_STACK_ENTRIES(16)); 1769 } else if (((rdev->family) == CHIP_RV630) || 1770 ((rdev->family) == CHIP_RV635)) { 1771 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 1772 NUM_VS_GPRS(44) | 1773 NUM_CLAUSE_TEMP_GPRS(2)); 1774 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) | 1775 NUM_ES_GPRS(18)); 1776 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 1777 NUM_VS_THREADS(78) | 1778 NUM_GS_THREADS(4) | 1779 NUM_ES_THREADS(31)); 1780 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 1781 NUM_VS_STACK_ENTRIES(40)); 1782 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 1783 NUM_ES_STACK_ENTRIES(16)); 1784 } else if ((rdev->family) == CHIP_RV670) { 1785 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 1786 NUM_VS_GPRS(44) | 1787 NUM_CLAUSE_TEMP_GPRS(2)); 1788 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 1789 NUM_ES_GPRS(17)); 1790 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 1791 NUM_VS_THREADS(78) | 1792 NUM_GS_THREADS(4) | 1793 NUM_ES_THREADS(31)); 1794 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) | 1795 NUM_VS_STACK_ENTRIES(64)); 1796 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) | 1797 NUM_ES_STACK_ENTRIES(64)); 1798 } 1799 1800 WREG32(SQ_CONFIG, sq_config); 1801 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); 1802 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); 1803 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); 1804 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); 1805 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); 1806 1807 if (((rdev->family) == CHIP_RV610) || 1808 ((rdev->family) == CHIP_RV620) || 1809 ((rdev->family) == CHIP_RS780) || 1810 ((rdev->family) == CHIP_RS880)) { 1811 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY)); 1812 } else { 1813 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC)); 1814 } 1815 1816 /* More default values. 2D/3D driver should adjust as needed */ 1817 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) | 1818 S1_X(0x4) | S1_Y(0xc))); 1819 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) | 1820 S1_X(0x2) | S1_Y(0x2) | 1821 S2_X(0xa) | S2_Y(0x6) | 1822 S3_X(0x6) | S3_Y(0xa))); 1823 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) | 1824 S1_X(0x4) | S1_Y(0xc) | 1825 S2_X(0x1) | S2_Y(0x6) | 1826 S3_X(0xa) | S3_Y(0xe))); 1827 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) | 1828 S5_X(0x0) | S5_Y(0x0) | 1829 S6_X(0xb) | S6_Y(0x4) | 1830 S7_X(0x7) | S7_Y(0x8))); 1831 1832 WREG32(VGT_STRMOUT_EN, 0); 1833 tmp = rdev->config.r600.max_pipes * 16; 1834 switch (rdev->family) { 1835 case CHIP_RV610: 1836 case CHIP_RV620: 1837 case CHIP_RS780: 1838 case CHIP_RS880: 1839 tmp += 32; 1840 break; 1841 case CHIP_RV670: 1842 tmp += 128; 1843 break; 1844 default: 1845 break; 1846 } 1847 if (tmp > 256) { 1848 tmp = 256; 1849 } 1850 WREG32(VGT_ES_PER_GS, 128); 1851 WREG32(VGT_GS_PER_ES, tmp); 1852 WREG32(VGT_GS_PER_VS, 2); 1853 WREG32(VGT_GS_VERTEX_REUSE, 16); 1854 1855 /* more default values. 2D/3D driver should adjust as needed */ 1856 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 1857 WREG32(VGT_STRMOUT_EN, 0); 1858 WREG32(SX_MISC, 0); 1859 WREG32(PA_SC_MODE_CNTL, 0); 1860 WREG32(PA_SC_AA_CONFIG, 0); 1861 WREG32(PA_SC_LINE_STIPPLE, 0); 1862 WREG32(SPI_INPUT_Z, 0); 1863 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2)); 1864 WREG32(CB_COLOR7_FRAG, 0); 1865 1866 /* Clear render buffer base addresses */ 1867 WREG32(CB_COLOR0_BASE, 0); 1868 WREG32(CB_COLOR1_BASE, 0); 1869 WREG32(CB_COLOR2_BASE, 0); 1870 WREG32(CB_COLOR3_BASE, 0); 1871 WREG32(CB_COLOR4_BASE, 0); 1872 WREG32(CB_COLOR5_BASE, 0); 1873 WREG32(CB_COLOR6_BASE, 0); 1874 WREG32(CB_COLOR7_BASE, 0); 1875 WREG32(CB_COLOR7_FRAG, 0); 1876 1877 switch (rdev->family) { 1878 case CHIP_RV610: 1879 case CHIP_RV620: 1880 case CHIP_RS780: 1881 case CHIP_RS880: 1882 tmp = TC_L2_SIZE(8); 1883 break; 1884 case CHIP_RV630: 1885 case CHIP_RV635: 1886 tmp = TC_L2_SIZE(4); 1887 break; 1888 case CHIP_R600: 1889 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT; 1890 break; 1891 default: 1892 tmp = TC_L2_SIZE(0); 1893 break; 1894 } 1895 WREG32(TC_CNTL, tmp); 1896 1897 tmp = RREG32(HDP_HOST_PATH_CNTL); 1898 WREG32(HDP_HOST_PATH_CNTL, tmp); 1899 1900 tmp = RREG32(ARB_POP); 1901 tmp |= ENABLE_TC128; 1902 WREG32(ARB_POP, tmp); 1903 1904 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 1905 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA | 1906 NUM_CLIP_SEQ(3))); 1907 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095)); 1908 } 1909 1910 1911 /* 1912 * Indirect registers accessor 1913 */ 1914 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg) 1915 { 1916 u32 r; 1917 1918 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 1919 (void)RREG32(PCIE_PORT_INDEX); 1920 r = RREG32(PCIE_PORT_DATA); 1921 return r; 1922 } 1923 1924 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) 1925 { 1926 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 1927 (void)RREG32(PCIE_PORT_INDEX); 1928 WREG32(PCIE_PORT_DATA, (v)); 1929 (void)RREG32(PCIE_PORT_DATA); 1930 } 1931 1932 /* 1933 * CP & Ring 1934 */ 1935 void r600_cp_stop(struct radeon_device *rdev) 1936 { 1937 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 1938 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1939 WREG32(SCRATCH_UMSK, 0); 1940 } 1941 1942 int r600_init_microcode(struct radeon_device *rdev) 1943 { 1944 struct platform_device *pdev; 1945 const char *chip_name; 1946 const char *rlc_chip_name; 1947 size_t pfp_req_size, me_req_size, rlc_req_size; 1948 char fw_name[30]; 1949 int err; 1950 1951 DRM_DEBUG("\n"); 1952 1953 pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0); 1954 err = IS_ERR(pdev); 1955 if (err) { 1956 printk(KERN_ERR "radeon_cp: Failed to register firmware\n"); 1957 return -EINVAL; 1958 } 1959 1960 switch (rdev->family) { 1961 case CHIP_R600: 1962 chip_name = "R600"; 1963 rlc_chip_name = "R600"; 1964 break; 1965 case CHIP_RV610: 1966 chip_name = "RV610"; 1967 rlc_chip_name = "R600"; 1968 break; 1969 case CHIP_RV630: 1970 chip_name = "RV630"; 1971 rlc_chip_name = "R600"; 1972 break; 1973 case CHIP_RV620: 1974 chip_name = "RV620"; 1975 rlc_chip_name = "R600"; 1976 break; 1977 case CHIP_RV635: 1978 chip_name = "RV635"; 1979 rlc_chip_name = "R600"; 1980 break; 1981 case CHIP_RV670: 1982 chip_name = "RV670"; 1983 rlc_chip_name = "R600"; 1984 break; 1985 case CHIP_RS780: 1986 case CHIP_RS880: 1987 chip_name = "RS780"; 1988 rlc_chip_name = "R600"; 1989 break; 1990 case CHIP_RV770: 1991 chip_name = "RV770"; 1992 rlc_chip_name = "R700"; 1993 break; 1994 case CHIP_RV730: 1995 case CHIP_RV740: 1996 chip_name = "RV730"; 1997 rlc_chip_name = "R700"; 1998 break; 1999 case CHIP_RV710: 2000 chip_name = "RV710"; 2001 rlc_chip_name = "R700"; 2002 break; 2003 case CHIP_CEDAR: 2004 chip_name = "CEDAR"; 2005 rlc_chip_name = "CEDAR"; 2006 break; 2007 case CHIP_REDWOOD: 2008 chip_name = "REDWOOD"; 2009 rlc_chip_name = "REDWOOD"; 2010 break; 2011 case CHIP_JUNIPER: 2012 chip_name = "JUNIPER"; 2013 rlc_chip_name = "JUNIPER"; 2014 break; 2015 case CHIP_CYPRESS: 2016 case CHIP_HEMLOCK: 2017 chip_name = "CYPRESS"; 2018 rlc_chip_name = "CYPRESS"; 2019 break; 2020 case CHIP_PALM: 2021 chip_name = "PALM"; 2022 rlc_chip_name = "SUMO"; 2023 break; 2024 case CHIP_SUMO: 2025 chip_name = "SUMO"; 2026 rlc_chip_name = "SUMO"; 2027 break; 2028 case CHIP_SUMO2: 2029 chip_name = "SUMO2"; 2030 rlc_chip_name = "SUMO"; 2031 break; 2032 default: BUG(); 2033 } 2034 2035 if (rdev->family >= CHIP_CEDAR) { 2036 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 2037 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 2038 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 2039 } else if (rdev->family >= CHIP_RV770) { 2040 pfp_req_size = R700_PFP_UCODE_SIZE * 4; 2041 me_req_size = R700_PM4_UCODE_SIZE * 4; 2042 rlc_req_size = R700_RLC_UCODE_SIZE * 4; 2043 } else { 2044 pfp_req_size = PFP_UCODE_SIZE * 4; 2045 me_req_size = PM4_UCODE_SIZE * 12; 2046 rlc_req_size = RLC_UCODE_SIZE * 4; 2047 } 2048 2049 DRM_INFO("Loading %s Microcode\n", chip_name); 2050 2051 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); 2052 err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev); 2053 if (err) 2054 goto out; 2055 if (rdev->pfp_fw->size != pfp_req_size) { 2056 printk(KERN_ERR 2057 "r600_cp: Bogus length %zu in firmware \"%s\"\n", 2058 rdev->pfp_fw->size, fw_name); 2059 err = -EINVAL; 2060 goto out; 2061 } 2062 2063 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); 2064 err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev); 2065 if (err) 2066 goto out; 2067 if (rdev->me_fw->size != me_req_size) { 2068 printk(KERN_ERR 2069 "r600_cp: Bogus length %zu in firmware \"%s\"\n", 2070 rdev->me_fw->size, fw_name); 2071 err = -EINVAL; 2072 } 2073 2074 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); 2075 err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev); 2076 if (err) 2077 goto out; 2078 if (rdev->rlc_fw->size != rlc_req_size) { 2079 printk(KERN_ERR 2080 "r600_rlc: Bogus length %zu in firmware \"%s\"\n", 2081 rdev->rlc_fw->size, fw_name); 2082 err = -EINVAL; 2083 } 2084 2085 out: 2086 platform_device_unregister(pdev); 2087 2088 if (err) { 2089 if (err != -EINVAL) 2090 printk(KERN_ERR 2091 "r600_cp: Failed to load firmware \"%s\"\n", 2092 fw_name); 2093 release_firmware(rdev->pfp_fw); 2094 rdev->pfp_fw = NULL; 2095 release_firmware(rdev->me_fw); 2096 rdev->me_fw = NULL; 2097 release_firmware(rdev->rlc_fw); 2098 rdev->rlc_fw = NULL; 2099 } 2100 return err; 2101 } 2102 2103 static int r600_cp_load_microcode(struct radeon_device *rdev) 2104 { 2105 const __be32 *fw_data; 2106 int i; 2107 2108 if (!rdev->me_fw || !rdev->pfp_fw) 2109 return -EINVAL; 2110 2111 r600_cp_stop(rdev); 2112 2113 WREG32(CP_RB_CNTL, 2114 #ifdef __BIG_ENDIAN 2115 BUF_SWAP_32BIT | 2116 #endif 2117 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); 2118 2119 /* Reset cp */ 2120 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2121 RREG32(GRBM_SOFT_RESET); 2122 mdelay(15); 2123 WREG32(GRBM_SOFT_RESET, 0); 2124 2125 WREG32(CP_ME_RAM_WADDR, 0); 2126 2127 fw_data = (const __be32 *)rdev->me_fw->data; 2128 WREG32(CP_ME_RAM_WADDR, 0); 2129 for (i = 0; i < PM4_UCODE_SIZE * 3; i++) 2130 WREG32(CP_ME_RAM_DATA, 2131 be32_to_cpup(fw_data++)); 2132 2133 fw_data = (const __be32 *)rdev->pfp_fw->data; 2134 WREG32(CP_PFP_UCODE_ADDR, 0); 2135 for (i = 0; i < PFP_UCODE_SIZE; i++) 2136 WREG32(CP_PFP_UCODE_DATA, 2137 be32_to_cpup(fw_data++)); 2138 2139 WREG32(CP_PFP_UCODE_ADDR, 0); 2140 WREG32(CP_ME_RAM_WADDR, 0); 2141 WREG32(CP_ME_RAM_RADDR, 0); 2142 return 0; 2143 } 2144 2145 int r600_cp_start(struct radeon_device *rdev) 2146 { 2147 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2148 int r; 2149 uint32_t cp_me; 2150 2151 r = radeon_ring_lock(rdev, ring, 7); 2152 if (r) { 2153 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 2154 return r; 2155 } 2156 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 2157 radeon_ring_write(ring, 0x1); 2158 if (rdev->family >= CHIP_RV770) { 2159 radeon_ring_write(ring, 0x0); 2160 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1); 2161 } else { 2162 radeon_ring_write(ring, 0x3); 2163 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1); 2164 } 2165 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 2166 radeon_ring_write(ring, 0); 2167 radeon_ring_write(ring, 0); 2168 radeon_ring_unlock_commit(rdev, ring); 2169 2170 cp_me = 0xff; 2171 WREG32(R_0086D8_CP_ME_CNTL, cp_me); 2172 return 0; 2173 } 2174 2175 int r600_cp_resume(struct radeon_device *rdev) 2176 { 2177 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2178 u32 tmp; 2179 u32 rb_bufsz; 2180 int r; 2181 2182 /* Reset cp */ 2183 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2184 RREG32(GRBM_SOFT_RESET); 2185 mdelay(15); 2186 WREG32(GRBM_SOFT_RESET, 0); 2187 2188 /* Set ring buffer size */ 2189 rb_bufsz = drm_order(ring->ring_size / 8); 2190 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2191 #ifdef __BIG_ENDIAN 2192 tmp |= BUF_SWAP_32BIT; 2193 #endif 2194 WREG32(CP_RB_CNTL, tmp); 2195 WREG32(CP_SEM_WAIT_TIMER, 0x0); 2196 2197 /* Set the write pointer delay */ 2198 WREG32(CP_RB_WPTR_DELAY, 0); 2199 2200 /* Initialize the ring buffer's read and write pointers */ 2201 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); 2202 WREG32(CP_RB_RPTR_WR, 0); 2203 ring->wptr = 0; 2204 WREG32(CP_RB_WPTR, ring->wptr); 2205 2206 /* set the wb address whether it's enabled or not */ 2207 WREG32(CP_RB_RPTR_ADDR, 2208 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC)); 2209 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); 2210 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 2211 2212 if (rdev->wb.enabled) 2213 WREG32(SCRATCH_UMSK, 0xff); 2214 else { 2215 tmp |= RB_NO_UPDATE; 2216 WREG32(SCRATCH_UMSK, 0); 2217 } 2218 2219 mdelay(1); 2220 WREG32(CP_RB_CNTL, tmp); 2221 2222 WREG32(CP_RB_BASE, ring->gpu_addr >> 8); 2223 WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); 2224 2225 ring->rptr = RREG32(CP_RB_RPTR); 2226 2227 r600_cp_start(rdev); 2228 ring->ready = true; 2229 r = radeon_ring_test(rdev, ring); 2230 if (r) { 2231 ring->ready = false; 2232 return r; 2233 } 2234 return 0; 2235 } 2236 2237 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size) 2238 { 2239 u32 rb_bufsz; 2240 2241 /* Align ring size */ 2242 rb_bufsz = drm_order(ring_size / 8); 2243 ring_size = (1 << (rb_bufsz + 1)) * 4; 2244 ring->ring_size = ring_size; 2245 ring->align_mask = 16 - 1; 2246 } 2247 2248 void r600_cp_fini(struct radeon_device *rdev) 2249 { 2250 r600_cp_stop(rdev); 2251 radeon_ring_fini(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); 2252 } 2253 2254 2255 /* 2256 * GPU scratch registers helpers function. 2257 */ 2258 void r600_scratch_init(struct radeon_device *rdev) 2259 { 2260 int i; 2261 2262 rdev->scratch.num_reg = 7; 2263 rdev->scratch.reg_base = SCRATCH_REG0; 2264 for (i = 0; i < rdev->scratch.num_reg; i++) { 2265 rdev->scratch.free[i] = true; 2266 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); 2267 } 2268 } 2269 2270 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) 2271 { 2272 uint32_t scratch; 2273 uint32_t tmp = 0; 2274 unsigned i, ridx = radeon_ring_index(rdev, ring); 2275 int r; 2276 2277 r = radeon_scratch_get(rdev, &scratch); 2278 if (r) { 2279 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); 2280 return r; 2281 } 2282 WREG32(scratch, 0xCAFEDEAD); 2283 r = radeon_ring_lock(rdev, ring, 3); 2284 if (r) { 2285 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ridx, r); 2286 radeon_scratch_free(rdev, scratch); 2287 return r; 2288 } 2289 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2290 radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2291 radeon_ring_write(ring, 0xDEADBEEF); 2292 radeon_ring_unlock_commit(rdev, ring); 2293 for (i = 0; i < rdev->usec_timeout; i++) { 2294 tmp = RREG32(scratch); 2295 if (tmp == 0xDEADBEEF) 2296 break; 2297 DRM_UDELAY(1); 2298 } 2299 if (i < rdev->usec_timeout) { 2300 DRM_INFO("ring test on %d succeeded in %d usecs\n", ridx, i); 2301 } else { 2302 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n", 2303 ridx, scratch, tmp); 2304 r = -EINVAL; 2305 } 2306 radeon_scratch_free(rdev, scratch); 2307 return r; 2308 } 2309 2310 void r600_fence_ring_emit(struct radeon_device *rdev, 2311 struct radeon_fence *fence) 2312 { 2313 struct radeon_ring *ring = &rdev->ring[fence->ring]; 2314 2315 if (rdev->wb.use_event) { 2316 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 2317 /* flush read cache over gart */ 2318 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2319 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | 2320 PACKET3_VC_ACTION_ENA | 2321 PACKET3_SH_ACTION_ENA); 2322 radeon_ring_write(ring, 0xFFFFFFFF); 2323 radeon_ring_write(ring, 0); 2324 radeon_ring_write(ring, 10); /* poll interval */ 2325 /* EVENT_WRITE_EOP - flush caches, send int */ 2326 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 2327 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); 2328 radeon_ring_write(ring, addr & 0xffffffff); 2329 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 2330 radeon_ring_write(ring, fence->seq); 2331 radeon_ring_write(ring, 0); 2332 } else { 2333 /* flush read cache over gart */ 2334 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2335 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | 2336 PACKET3_VC_ACTION_ENA | 2337 PACKET3_SH_ACTION_ENA); 2338 radeon_ring_write(ring, 0xFFFFFFFF); 2339 radeon_ring_write(ring, 0); 2340 radeon_ring_write(ring, 10); /* poll interval */ 2341 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0)); 2342 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0)); 2343 /* wait for 3D idle clean */ 2344 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2345 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2346 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit); 2347 /* Emit fence sequence & fire IRQ */ 2348 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2349 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2350 radeon_ring_write(ring, fence->seq); 2351 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */ 2352 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0)); 2353 radeon_ring_write(ring, RB_INT_STAT); 2354 } 2355 } 2356 2357 void r600_semaphore_ring_emit(struct radeon_device *rdev, 2358 struct radeon_ring *ring, 2359 struct radeon_semaphore *semaphore, 2360 bool emit_wait) 2361 { 2362 uint64_t addr = semaphore->gpu_addr; 2363 unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL; 2364 2365 radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1)); 2366 radeon_ring_write(ring, addr & 0xffffffff); 2367 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel); 2368 } 2369 2370 int r600_copy_blit(struct radeon_device *rdev, 2371 uint64_t src_offset, 2372 uint64_t dst_offset, 2373 unsigned num_gpu_pages, 2374 struct radeon_fence *fence) 2375 { 2376 int r; 2377 2378 mutex_lock(&rdev->r600_blit.mutex); 2379 rdev->r600_blit.vb_ib = NULL; 2380 r = r600_blit_prepare_copy(rdev, num_gpu_pages); 2381 if (r) { 2382 if (rdev->r600_blit.vb_ib) 2383 radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); 2384 mutex_unlock(&rdev->r600_blit.mutex); 2385 return r; 2386 } 2387 r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages); 2388 r600_blit_done_copy(rdev, fence); 2389 mutex_unlock(&rdev->r600_blit.mutex); 2390 return 0; 2391 } 2392 2393 void r600_blit_suspend(struct radeon_device *rdev) 2394 { 2395 int r; 2396 2397 /* unpin shaders bo */ 2398 if (rdev->r600_blit.shader_obj) { 2399 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); 2400 if (!r) { 2401 radeon_bo_unpin(rdev->r600_blit.shader_obj); 2402 radeon_bo_unreserve(rdev->r600_blit.shader_obj); 2403 } 2404 } 2405 } 2406 2407 int r600_set_surface_reg(struct radeon_device *rdev, int reg, 2408 uint32_t tiling_flags, uint32_t pitch, 2409 uint32_t offset, uint32_t obj_size) 2410 { 2411 /* FIXME: implement */ 2412 return 0; 2413 } 2414 2415 void r600_clear_surface_reg(struct radeon_device *rdev, int reg) 2416 { 2417 /* FIXME: implement */ 2418 } 2419 2420 int r600_startup(struct radeon_device *rdev) 2421 { 2422 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2423 int r; 2424 2425 /* enable pcie gen2 link */ 2426 r600_pcie_gen2_enable(rdev); 2427 2428 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 2429 r = r600_init_microcode(rdev); 2430 if (r) { 2431 DRM_ERROR("Failed to load firmware!\n"); 2432 return r; 2433 } 2434 } 2435 2436 r = r600_vram_scratch_init(rdev); 2437 if (r) 2438 return r; 2439 2440 r600_mc_program(rdev); 2441 if (rdev->flags & RADEON_IS_AGP) { 2442 r600_agp_enable(rdev); 2443 } else { 2444 r = r600_pcie_gart_enable(rdev); 2445 if (r) 2446 return r; 2447 } 2448 r600_gpu_init(rdev); 2449 r = r600_blit_init(rdev); 2450 if (r) { 2451 r600_blit_fini(rdev); 2452 rdev->asic->copy = NULL; 2453 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); 2454 } 2455 2456 /* allocate wb buffer */ 2457 r = radeon_wb_init(rdev); 2458 if (r) 2459 return r; 2460 2461 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 2462 if (r) { 2463 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 2464 return r; 2465 } 2466 2467 /* Enable IRQ */ 2468 r = r600_irq_init(rdev); 2469 if (r) { 2470 DRM_ERROR("radeon: IH init failed (%d).\n", r); 2471 radeon_irq_kms_fini(rdev); 2472 return r; 2473 } 2474 r600_irq_set(rdev); 2475 2476 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 2477 R600_CP_RB_RPTR, R600_CP_RB_WPTR, 2478 0, 0xfffff, RADEON_CP_PACKET2); 2479 2480 if (r) 2481 return r; 2482 r = r600_cp_load_microcode(rdev); 2483 if (r) 2484 return r; 2485 r = r600_cp_resume(rdev); 2486 if (r) 2487 return r; 2488 2489 return 0; 2490 } 2491 2492 void r600_vga_set_state(struct radeon_device *rdev, bool state) 2493 { 2494 uint32_t temp; 2495 2496 temp = RREG32(CONFIG_CNTL); 2497 if (state == false) { 2498 temp &= ~(1<<0); 2499 temp |= (1<<1); 2500 } else { 2501 temp &= ~(1<<1); 2502 } 2503 WREG32(CONFIG_CNTL, temp); 2504 } 2505 2506 int r600_resume(struct radeon_device *rdev) 2507 { 2508 int r; 2509 2510 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw, 2511 * posting will perform necessary task to bring back GPU into good 2512 * shape. 2513 */ 2514 /* post card */ 2515 atom_asic_init(rdev->mode_info.atom_context); 2516 2517 r = r600_startup(rdev); 2518 if (r) { 2519 DRM_ERROR("r600 startup failed on resume\n"); 2520 return r; 2521 } 2522 2523 r = r600_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX); 2524 if (r) { 2525 DRM_ERROR("radeon: failed testing IB (%d).\n", r); 2526 return r; 2527 } 2528 2529 r = r600_audio_init(rdev); 2530 if (r) { 2531 DRM_ERROR("radeon: audio resume failed\n"); 2532 return r; 2533 } 2534 2535 return r; 2536 } 2537 2538 int r600_suspend(struct radeon_device *rdev) 2539 { 2540 r600_audio_fini(rdev); 2541 /* FIXME: we should wait for ring to be empty */ 2542 r600_cp_stop(rdev); 2543 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 2544 r600_irq_suspend(rdev); 2545 radeon_wb_disable(rdev); 2546 r600_pcie_gart_disable(rdev); 2547 r600_blit_suspend(rdev); 2548 2549 return 0; 2550 } 2551 2552 /* Plan is to move initialization in that function and use 2553 * helper function so that radeon_device_init pretty much 2554 * do nothing more than calling asic specific function. This 2555 * should also allow to remove a bunch of callback function 2556 * like vram_info. 2557 */ 2558 int r600_init(struct radeon_device *rdev) 2559 { 2560 int r; 2561 2562 if (r600_debugfs_mc_info_init(rdev)) { 2563 DRM_ERROR("Failed to register debugfs file for mc !\n"); 2564 } 2565 /* This don't do much */ 2566 r = radeon_gem_init(rdev); 2567 if (r) 2568 return r; 2569 /* Read BIOS */ 2570 if (!radeon_get_bios(rdev)) { 2571 if (ASIC_IS_AVIVO(rdev)) 2572 return -EINVAL; 2573 } 2574 /* Must be an ATOMBIOS */ 2575 if (!rdev->is_atom_bios) { 2576 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n"); 2577 return -EINVAL; 2578 } 2579 r = radeon_atombios_init(rdev); 2580 if (r) 2581 return r; 2582 /* Post card if necessary */ 2583 if (!radeon_card_posted(rdev)) { 2584 if (!rdev->bios) { 2585 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 2586 return -EINVAL; 2587 } 2588 DRM_INFO("GPU not posted. posting now...\n"); 2589 atom_asic_init(rdev->mode_info.atom_context); 2590 } 2591 /* Initialize scratch registers */ 2592 r600_scratch_init(rdev); 2593 /* Initialize surface registers */ 2594 radeon_surface_init(rdev); 2595 /* Initialize clocks */ 2596 radeon_get_clock_info(rdev->ddev); 2597 /* Fence driver */ 2598 r = radeon_fence_driver_init(rdev); 2599 if (r) 2600 return r; 2601 if (rdev->flags & RADEON_IS_AGP) { 2602 r = radeon_agp_init(rdev); 2603 if (r) 2604 radeon_agp_disable(rdev); 2605 } 2606 r = r600_mc_init(rdev); 2607 if (r) 2608 return r; 2609 /* Memory manager */ 2610 r = radeon_bo_init(rdev); 2611 if (r) 2612 return r; 2613 2614 r = radeon_irq_kms_init(rdev); 2615 if (r) 2616 return r; 2617 2618 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL; 2619 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024); 2620 2621 rdev->ih.ring_obj = NULL; 2622 r600_ih_ring_init(rdev, 64 * 1024); 2623 2624 r = r600_pcie_gart_init(rdev); 2625 if (r) 2626 return r; 2627 2628 rdev->accel_working = true; 2629 r = r600_startup(rdev); 2630 if (r) { 2631 dev_err(rdev->dev, "disabling GPU acceleration\n"); 2632 r600_cp_fini(rdev); 2633 r600_irq_fini(rdev); 2634 radeon_wb_fini(rdev); 2635 radeon_irq_kms_fini(rdev); 2636 r600_pcie_gart_fini(rdev); 2637 rdev->accel_working = false; 2638 } 2639 if (rdev->accel_working) { 2640 r = radeon_ib_pool_init(rdev); 2641 if (r) { 2642 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 2643 rdev->accel_working = false; 2644 } else { 2645 r = r600_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX); 2646 if (r) { 2647 dev_err(rdev->dev, "IB test failed (%d).\n", r); 2648 rdev->accel_working = false; 2649 } 2650 } 2651 } 2652 2653 r = r600_audio_init(rdev); 2654 if (r) 2655 return r; /* TODO error handling */ 2656 return 0; 2657 } 2658 2659 void r600_fini(struct radeon_device *rdev) 2660 { 2661 r600_audio_fini(rdev); 2662 r600_blit_fini(rdev); 2663 r600_cp_fini(rdev); 2664 r600_irq_fini(rdev); 2665 radeon_wb_fini(rdev); 2666 radeon_ib_pool_fini(rdev); 2667 radeon_irq_kms_fini(rdev); 2668 r600_pcie_gart_fini(rdev); 2669 r600_vram_scratch_fini(rdev); 2670 radeon_agp_fini(rdev); 2671 radeon_gem_fini(rdev); 2672 radeon_semaphore_driver_fini(rdev); 2673 radeon_fence_driver_fini(rdev); 2674 radeon_bo_fini(rdev); 2675 radeon_atombios_fini(rdev); 2676 kfree(rdev->bios); 2677 rdev->bios = NULL; 2678 } 2679 2680 2681 /* 2682 * CS stuff 2683 */ 2684 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 2685 { 2686 struct radeon_ring *ring = &rdev->ring[ib->fence->ring]; 2687 2688 /* FIXME: implement */ 2689 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 2690 radeon_ring_write(ring, 2691 #ifdef __BIG_ENDIAN 2692 (2 << 0) | 2693 #endif 2694 (ib->gpu_addr & 0xFFFFFFFC)); 2695 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); 2696 radeon_ring_write(ring, ib->length_dw); 2697 } 2698 2699 int r600_ib_test(struct radeon_device *rdev, int ring) 2700 { 2701 struct radeon_ib *ib; 2702 uint32_t scratch; 2703 uint32_t tmp = 0; 2704 unsigned i; 2705 int r; 2706 2707 r = radeon_scratch_get(rdev, &scratch); 2708 if (r) { 2709 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); 2710 return r; 2711 } 2712 WREG32(scratch, 0xCAFEDEAD); 2713 r = radeon_ib_get(rdev, ring, &ib); 2714 if (r) { 2715 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 2716 return r; 2717 } 2718 ib->ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1); 2719 ib->ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2720 ib->ptr[2] = 0xDEADBEEF; 2721 ib->ptr[3] = PACKET2(0); 2722 ib->ptr[4] = PACKET2(0); 2723 ib->ptr[5] = PACKET2(0); 2724 ib->ptr[6] = PACKET2(0); 2725 ib->ptr[7] = PACKET2(0); 2726 ib->ptr[8] = PACKET2(0); 2727 ib->ptr[9] = PACKET2(0); 2728 ib->ptr[10] = PACKET2(0); 2729 ib->ptr[11] = PACKET2(0); 2730 ib->ptr[12] = PACKET2(0); 2731 ib->ptr[13] = PACKET2(0); 2732 ib->ptr[14] = PACKET2(0); 2733 ib->ptr[15] = PACKET2(0); 2734 ib->length_dw = 16; 2735 r = radeon_ib_schedule(rdev, ib); 2736 if (r) { 2737 radeon_scratch_free(rdev, scratch); 2738 radeon_ib_free(rdev, &ib); 2739 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 2740 return r; 2741 } 2742 r = radeon_fence_wait(ib->fence, false); 2743 if (r) { 2744 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 2745 return r; 2746 } 2747 for (i = 0; i < rdev->usec_timeout; i++) { 2748 tmp = RREG32(scratch); 2749 if (tmp == 0xDEADBEEF) 2750 break; 2751 DRM_UDELAY(1); 2752 } 2753 if (i < rdev->usec_timeout) { 2754 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib->fence->ring, i); 2755 } else { 2756 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n", 2757 scratch, tmp); 2758 r = -EINVAL; 2759 } 2760 radeon_scratch_free(rdev, scratch); 2761 radeon_ib_free(rdev, &ib); 2762 return r; 2763 } 2764 2765 /* 2766 * Interrupts 2767 * 2768 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty 2769 * the same as the CP ring buffer, but in reverse. Rather than the CPU 2770 * writing to the ring and the GPU consuming, the GPU writes to the ring 2771 * and host consumes. As the host irq handler processes interrupts, it 2772 * increments the rptr. When the rptr catches up with the wptr, all the 2773 * current interrupts have been processed. 2774 */ 2775 2776 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size) 2777 { 2778 u32 rb_bufsz; 2779 2780 /* Align ring size */ 2781 rb_bufsz = drm_order(ring_size / 4); 2782 ring_size = (1 << rb_bufsz) * 4; 2783 rdev->ih.ring_size = ring_size; 2784 rdev->ih.ptr_mask = rdev->ih.ring_size - 1; 2785 rdev->ih.rptr = 0; 2786 } 2787 2788 static int r600_ih_ring_alloc(struct radeon_device *rdev) 2789 { 2790 int r; 2791 2792 /* Allocate ring buffer */ 2793 if (rdev->ih.ring_obj == NULL) { 2794 r = radeon_bo_create(rdev, rdev->ih.ring_size, 2795 PAGE_SIZE, true, 2796 RADEON_GEM_DOMAIN_GTT, 2797 &rdev->ih.ring_obj); 2798 if (r) { 2799 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r); 2800 return r; 2801 } 2802 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 2803 if (unlikely(r != 0)) 2804 return r; 2805 r = radeon_bo_pin(rdev->ih.ring_obj, 2806 RADEON_GEM_DOMAIN_GTT, 2807 &rdev->ih.gpu_addr); 2808 if (r) { 2809 radeon_bo_unreserve(rdev->ih.ring_obj); 2810 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r); 2811 return r; 2812 } 2813 r = radeon_bo_kmap(rdev->ih.ring_obj, 2814 (void **)&rdev->ih.ring); 2815 radeon_bo_unreserve(rdev->ih.ring_obj); 2816 if (r) { 2817 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r); 2818 return r; 2819 } 2820 } 2821 return 0; 2822 } 2823 2824 static void r600_ih_ring_fini(struct radeon_device *rdev) 2825 { 2826 int r; 2827 if (rdev->ih.ring_obj) { 2828 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 2829 if (likely(r == 0)) { 2830 radeon_bo_kunmap(rdev->ih.ring_obj); 2831 radeon_bo_unpin(rdev->ih.ring_obj); 2832 radeon_bo_unreserve(rdev->ih.ring_obj); 2833 } 2834 radeon_bo_unref(&rdev->ih.ring_obj); 2835 rdev->ih.ring = NULL; 2836 rdev->ih.ring_obj = NULL; 2837 } 2838 } 2839 2840 void r600_rlc_stop(struct radeon_device *rdev) 2841 { 2842 2843 if ((rdev->family >= CHIP_RV770) && 2844 (rdev->family <= CHIP_RV740)) { 2845 /* r7xx asics need to soft reset RLC before halting */ 2846 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC); 2847 RREG32(SRBM_SOFT_RESET); 2848 udelay(15000); 2849 WREG32(SRBM_SOFT_RESET, 0); 2850 RREG32(SRBM_SOFT_RESET); 2851 } 2852 2853 WREG32(RLC_CNTL, 0); 2854 } 2855 2856 static void r600_rlc_start(struct radeon_device *rdev) 2857 { 2858 WREG32(RLC_CNTL, RLC_ENABLE); 2859 } 2860 2861 static int r600_rlc_init(struct radeon_device *rdev) 2862 { 2863 u32 i; 2864 const __be32 *fw_data; 2865 2866 if (!rdev->rlc_fw) 2867 return -EINVAL; 2868 2869 r600_rlc_stop(rdev); 2870 2871 WREG32(RLC_HB_BASE, 0); 2872 WREG32(RLC_HB_CNTL, 0); 2873 WREG32(RLC_HB_RPTR, 0); 2874 WREG32(RLC_HB_WPTR, 0); 2875 if (rdev->family <= CHIP_CAICOS) { 2876 WREG32(RLC_HB_WPTR_LSB_ADDR, 0); 2877 WREG32(RLC_HB_WPTR_MSB_ADDR, 0); 2878 } 2879 WREG32(RLC_MC_CNTL, 0); 2880 WREG32(RLC_UCODE_CNTL, 0); 2881 2882 fw_data = (const __be32 *)rdev->rlc_fw->data; 2883 if (rdev->family >= CHIP_CAYMAN) { 2884 for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) { 2885 WREG32(RLC_UCODE_ADDR, i); 2886 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 2887 } 2888 } else if (rdev->family >= CHIP_CEDAR) { 2889 for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) { 2890 WREG32(RLC_UCODE_ADDR, i); 2891 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 2892 } 2893 } else if (rdev->family >= CHIP_RV770) { 2894 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) { 2895 WREG32(RLC_UCODE_ADDR, i); 2896 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 2897 } 2898 } else { 2899 for (i = 0; i < RLC_UCODE_SIZE; i++) { 2900 WREG32(RLC_UCODE_ADDR, i); 2901 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 2902 } 2903 } 2904 WREG32(RLC_UCODE_ADDR, 0); 2905 2906 r600_rlc_start(rdev); 2907 2908 return 0; 2909 } 2910 2911 static void r600_enable_interrupts(struct radeon_device *rdev) 2912 { 2913 u32 ih_cntl = RREG32(IH_CNTL); 2914 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 2915 2916 ih_cntl |= ENABLE_INTR; 2917 ih_rb_cntl |= IH_RB_ENABLE; 2918 WREG32(IH_CNTL, ih_cntl); 2919 WREG32(IH_RB_CNTL, ih_rb_cntl); 2920 rdev->ih.enabled = true; 2921 } 2922 2923 void r600_disable_interrupts(struct radeon_device *rdev) 2924 { 2925 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 2926 u32 ih_cntl = RREG32(IH_CNTL); 2927 2928 ih_rb_cntl &= ~IH_RB_ENABLE; 2929 ih_cntl &= ~ENABLE_INTR; 2930 WREG32(IH_RB_CNTL, ih_rb_cntl); 2931 WREG32(IH_CNTL, ih_cntl); 2932 /* set rptr, wptr to 0 */ 2933 WREG32(IH_RB_RPTR, 0); 2934 WREG32(IH_RB_WPTR, 0); 2935 rdev->ih.enabled = false; 2936 rdev->ih.wptr = 0; 2937 rdev->ih.rptr = 0; 2938 } 2939 2940 static void r600_disable_interrupt_state(struct radeon_device *rdev) 2941 { 2942 u32 tmp; 2943 2944 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 2945 WREG32(GRBM_INT_CNTL, 0); 2946 WREG32(DxMODE_INT_MASK, 0); 2947 WREG32(D1GRPH_INTERRUPT_CONTROL, 0); 2948 WREG32(D2GRPH_INTERRUPT_CONTROL, 0); 2949 if (ASIC_IS_DCE3(rdev)) { 2950 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0); 2951 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0); 2952 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2953 WREG32(DC_HPD1_INT_CONTROL, tmp); 2954 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2955 WREG32(DC_HPD2_INT_CONTROL, tmp); 2956 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2957 WREG32(DC_HPD3_INT_CONTROL, tmp); 2958 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2959 WREG32(DC_HPD4_INT_CONTROL, tmp); 2960 if (ASIC_IS_DCE32(rdev)) { 2961 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2962 WREG32(DC_HPD5_INT_CONTROL, tmp); 2963 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; 2964 WREG32(DC_HPD6_INT_CONTROL, tmp); 2965 } 2966 } else { 2967 WREG32(DACA_AUTODETECT_INT_CONTROL, 0); 2968 WREG32(DACB_AUTODETECT_INT_CONTROL, 0); 2969 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 2970 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 2971 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 2972 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 2973 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 2974 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 2975 } 2976 } 2977 2978 int r600_irq_init(struct radeon_device *rdev) 2979 { 2980 int ret = 0; 2981 int rb_bufsz; 2982 u32 interrupt_cntl, ih_cntl, ih_rb_cntl; 2983 2984 /* allocate ring */ 2985 ret = r600_ih_ring_alloc(rdev); 2986 if (ret) 2987 return ret; 2988 2989 /* disable irqs */ 2990 r600_disable_interrupts(rdev); 2991 2992 /* init rlc */ 2993 ret = r600_rlc_init(rdev); 2994 if (ret) { 2995 r600_ih_ring_fini(rdev); 2996 return ret; 2997 } 2998 2999 /* setup interrupt control */ 3000 /* set dummy read address to ring address */ 3001 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8); 3002 interrupt_cntl = RREG32(INTERRUPT_CNTL); 3003 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi 3004 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN 3005 */ 3006 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE; 3007 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */ 3008 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN; 3009 WREG32(INTERRUPT_CNTL, interrupt_cntl); 3010 3011 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8); 3012 rb_bufsz = drm_order(rdev->ih.ring_size / 4); 3013 3014 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | 3015 IH_WPTR_OVERFLOW_CLEAR | 3016 (rb_bufsz << 1)); 3017 3018 if (rdev->wb.enabled) 3019 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE; 3020 3021 /* set the writeback address whether it's enabled or not */ 3022 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC); 3023 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF); 3024 3025 WREG32(IH_RB_CNTL, ih_rb_cntl); 3026 3027 /* set rptr, wptr to 0 */ 3028 WREG32(IH_RB_RPTR, 0); 3029 WREG32(IH_RB_WPTR, 0); 3030 3031 /* Default settings for IH_CNTL (disabled at first) */ 3032 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10); 3033 /* RPTR_REARM only works if msi's are enabled */ 3034 if (rdev->msi_enabled) 3035 ih_cntl |= RPTR_REARM; 3036 WREG32(IH_CNTL, ih_cntl); 3037 3038 /* force the active interrupt state to all disabled */ 3039 if (rdev->family >= CHIP_CEDAR) 3040 evergreen_disable_interrupt_state(rdev); 3041 else 3042 r600_disable_interrupt_state(rdev); 3043 3044 /* enable irqs */ 3045 r600_enable_interrupts(rdev); 3046 3047 return ret; 3048 } 3049 3050 void r600_irq_suspend(struct radeon_device *rdev) 3051 { 3052 r600_irq_disable(rdev); 3053 r600_rlc_stop(rdev); 3054 } 3055 3056 void r600_irq_fini(struct radeon_device *rdev) 3057 { 3058 r600_irq_suspend(rdev); 3059 r600_ih_ring_fini(rdev); 3060 } 3061 3062 int r600_irq_set(struct radeon_device *rdev) 3063 { 3064 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; 3065 u32 mode_int = 0; 3066 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; 3067 u32 grbm_int_cntl = 0; 3068 u32 hdmi1, hdmi2; 3069 u32 d1grph = 0, d2grph = 0; 3070 3071 if (!rdev->irq.installed) { 3072 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 3073 return -EINVAL; 3074 } 3075 /* don't enable anything if the ih is disabled */ 3076 if (!rdev->ih.enabled) { 3077 r600_disable_interrupts(rdev); 3078 /* force the active interrupt state to all disabled */ 3079 r600_disable_interrupt_state(rdev); 3080 return 0; 3081 } 3082 3083 hdmi1 = RREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN; 3084 if (ASIC_IS_DCE3(rdev)) { 3085 hdmi2 = RREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN; 3086 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3087 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3088 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3089 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; 3090 if (ASIC_IS_DCE32(rdev)) { 3091 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; 3092 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; 3093 } 3094 } else { 3095 hdmi2 = RREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL) & ~R600_HDMI_INT_EN; 3096 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3097 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3098 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3099 } 3100 3101 if (rdev->irq.sw_int[RADEON_RING_TYPE_GFX_INDEX]) { 3102 DRM_DEBUG("r600_irq_set: sw int\n"); 3103 cp_int_cntl |= RB_INT_ENABLE; 3104 cp_int_cntl |= TIME_STAMP_INT_ENABLE; 3105 } 3106 if (rdev->irq.crtc_vblank_int[0] || 3107 rdev->irq.pflip[0]) { 3108 DRM_DEBUG("r600_irq_set: vblank 0\n"); 3109 mode_int |= D1MODE_VBLANK_INT_MASK; 3110 } 3111 if (rdev->irq.crtc_vblank_int[1] || 3112 rdev->irq.pflip[1]) { 3113 DRM_DEBUG("r600_irq_set: vblank 1\n"); 3114 mode_int |= D2MODE_VBLANK_INT_MASK; 3115 } 3116 if (rdev->irq.hpd[0]) { 3117 DRM_DEBUG("r600_irq_set: hpd 1\n"); 3118 hpd1 |= DC_HPDx_INT_EN; 3119 } 3120 if (rdev->irq.hpd[1]) { 3121 DRM_DEBUG("r600_irq_set: hpd 2\n"); 3122 hpd2 |= DC_HPDx_INT_EN; 3123 } 3124 if (rdev->irq.hpd[2]) { 3125 DRM_DEBUG("r600_irq_set: hpd 3\n"); 3126 hpd3 |= DC_HPDx_INT_EN; 3127 } 3128 if (rdev->irq.hpd[3]) { 3129 DRM_DEBUG("r600_irq_set: hpd 4\n"); 3130 hpd4 |= DC_HPDx_INT_EN; 3131 } 3132 if (rdev->irq.hpd[4]) { 3133 DRM_DEBUG("r600_irq_set: hpd 5\n"); 3134 hpd5 |= DC_HPDx_INT_EN; 3135 } 3136 if (rdev->irq.hpd[5]) { 3137 DRM_DEBUG("r600_irq_set: hpd 6\n"); 3138 hpd6 |= DC_HPDx_INT_EN; 3139 } 3140 if (rdev->irq.hdmi[0]) { 3141 DRM_DEBUG("r600_irq_set: hdmi 1\n"); 3142 hdmi1 |= R600_HDMI_INT_EN; 3143 } 3144 if (rdev->irq.hdmi[1]) { 3145 DRM_DEBUG("r600_irq_set: hdmi 2\n"); 3146 hdmi2 |= R600_HDMI_INT_EN; 3147 } 3148 if (rdev->irq.gui_idle) { 3149 DRM_DEBUG("gui idle\n"); 3150 grbm_int_cntl |= GUI_IDLE_INT_ENABLE; 3151 } 3152 3153 WREG32(CP_INT_CNTL, cp_int_cntl); 3154 WREG32(DxMODE_INT_MASK, mode_int); 3155 WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph); 3156 WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph); 3157 WREG32(GRBM_INT_CNTL, grbm_int_cntl); 3158 WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1); 3159 if (ASIC_IS_DCE3(rdev)) { 3160 WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2); 3161 WREG32(DC_HPD1_INT_CONTROL, hpd1); 3162 WREG32(DC_HPD2_INT_CONTROL, hpd2); 3163 WREG32(DC_HPD3_INT_CONTROL, hpd3); 3164 WREG32(DC_HPD4_INT_CONTROL, hpd4); 3165 if (ASIC_IS_DCE32(rdev)) { 3166 WREG32(DC_HPD5_INT_CONTROL, hpd5); 3167 WREG32(DC_HPD6_INT_CONTROL, hpd6); 3168 } 3169 } else { 3170 WREG32(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, hdmi2); 3171 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); 3172 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); 3173 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3); 3174 } 3175 3176 return 0; 3177 } 3178 3179 static void r600_irq_ack(struct radeon_device *rdev) 3180 { 3181 u32 tmp; 3182 3183 if (ASIC_IS_DCE3(rdev)) { 3184 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS); 3185 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE); 3186 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2); 3187 } else { 3188 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS); 3189 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); 3190 rdev->irq.stat_regs.r600.disp_int_cont2 = 0; 3191 } 3192 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS); 3193 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS); 3194 3195 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3196 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3197 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3198 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3199 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) 3200 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3201 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) 3202 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3203 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) 3204 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3205 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) 3206 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3207 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3208 if (ASIC_IS_DCE3(rdev)) { 3209 tmp = RREG32(DC_HPD1_INT_CONTROL); 3210 tmp |= DC_HPDx_INT_ACK; 3211 WREG32(DC_HPD1_INT_CONTROL, tmp); 3212 } else { 3213 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 3214 tmp |= DC_HPDx_INT_ACK; 3215 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3216 } 3217 } 3218 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3219 if (ASIC_IS_DCE3(rdev)) { 3220 tmp = RREG32(DC_HPD2_INT_CONTROL); 3221 tmp |= DC_HPDx_INT_ACK; 3222 WREG32(DC_HPD2_INT_CONTROL, tmp); 3223 } else { 3224 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 3225 tmp |= DC_HPDx_INT_ACK; 3226 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3227 } 3228 } 3229 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3230 if (ASIC_IS_DCE3(rdev)) { 3231 tmp = RREG32(DC_HPD3_INT_CONTROL); 3232 tmp |= DC_HPDx_INT_ACK; 3233 WREG32(DC_HPD3_INT_CONTROL, tmp); 3234 } else { 3235 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 3236 tmp |= DC_HPDx_INT_ACK; 3237 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3238 } 3239 } 3240 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3241 tmp = RREG32(DC_HPD4_INT_CONTROL); 3242 tmp |= DC_HPDx_INT_ACK; 3243 WREG32(DC_HPD4_INT_CONTROL, tmp); 3244 } 3245 if (ASIC_IS_DCE32(rdev)) { 3246 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3247 tmp = RREG32(DC_HPD5_INT_CONTROL); 3248 tmp |= DC_HPDx_INT_ACK; 3249 WREG32(DC_HPD5_INT_CONTROL, tmp); 3250 } 3251 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 3252 tmp = RREG32(DC_HPD5_INT_CONTROL); 3253 tmp |= DC_HPDx_INT_ACK; 3254 WREG32(DC_HPD6_INT_CONTROL, tmp); 3255 } 3256 } 3257 if (RREG32(R600_HDMI_BLOCK1 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) { 3258 WREG32_P(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK); 3259 } 3260 if (ASIC_IS_DCE3(rdev)) { 3261 if (RREG32(R600_HDMI_BLOCK3 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) { 3262 WREG32_P(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK); 3263 } 3264 } else { 3265 if (RREG32(R600_HDMI_BLOCK2 + R600_HDMI_STATUS) & R600_HDMI_INT_PENDING) { 3266 WREG32_P(R600_HDMI_BLOCK2 + R600_HDMI_CNTL, R600_HDMI_INT_ACK, ~R600_HDMI_INT_ACK); 3267 } 3268 } 3269 } 3270 3271 void r600_irq_disable(struct radeon_device *rdev) 3272 { 3273 r600_disable_interrupts(rdev); 3274 /* Wait and acknowledge irq */ 3275 mdelay(1); 3276 r600_irq_ack(rdev); 3277 r600_disable_interrupt_state(rdev); 3278 } 3279 3280 static u32 r600_get_ih_wptr(struct radeon_device *rdev) 3281 { 3282 u32 wptr, tmp; 3283 3284 if (rdev->wb.enabled) 3285 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); 3286 else 3287 wptr = RREG32(IH_RB_WPTR); 3288 3289 if (wptr & RB_OVERFLOW) { 3290 /* When a ring buffer overflow happen start parsing interrupt 3291 * from the last not overwritten vector (wptr + 16). Hopefully 3292 * this should allow us to catchup. 3293 */ 3294 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n", 3295 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask); 3296 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; 3297 tmp = RREG32(IH_RB_CNTL); 3298 tmp |= IH_WPTR_OVERFLOW_CLEAR; 3299 WREG32(IH_RB_CNTL, tmp); 3300 } 3301 return (wptr & rdev->ih.ptr_mask); 3302 } 3303 3304 /* r600 IV Ring 3305 * Each IV ring entry is 128 bits: 3306 * [7:0] - interrupt source id 3307 * [31:8] - reserved 3308 * [59:32] - interrupt source data 3309 * [127:60] - reserved 3310 * 3311 * The basic interrupt vector entries 3312 * are decoded as follows: 3313 * src_id src_data description 3314 * 1 0 D1 Vblank 3315 * 1 1 D1 Vline 3316 * 5 0 D2 Vblank 3317 * 5 1 D2 Vline 3318 * 19 0 FP Hot plug detection A 3319 * 19 1 FP Hot plug detection B 3320 * 19 2 DAC A auto-detection 3321 * 19 3 DAC B auto-detection 3322 * 21 4 HDMI block A 3323 * 21 5 HDMI block B 3324 * 176 - CP_INT RB 3325 * 177 - CP_INT IB1 3326 * 178 - CP_INT IB2 3327 * 181 - EOP Interrupt 3328 * 233 - GUI Idle 3329 * 3330 * Note, these are based on r600 and may need to be 3331 * adjusted or added to on newer asics 3332 */ 3333 3334 int r600_irq_process(struct radeon_device *rdev) 3335 { 3336 u32 wptr; 3337 u32 rptr; 3338 u32 src_id, src_data; 3339 u32 ring_index; 3340 unsigned long flags; 3341 bool queue_hotplug = false; 3342 3343 if (!rdev->ih.enabled || rdev->shutdown) 3344 return IRQ_NONE; 3345 3346 /* No MSIs, need a dummy read to flush PCI DMAs */ 3347 if (!rdev->msi_enabled) 3348 RREG32(IH_RB_WPTR); 3349 3350 wptr = r600_get_ih_wptr(rdev); 3351 rptr = rdev->ih.rptr; 3352 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); 3353 3354 spin_lock_irqsave(&rdev->ih.lock, flags); 3355 3356 if (rptr == wptr) { 3357 spin_unlock_irqrestore(&rdev->ih.lock, flags); 3358 return IRQ_NONE; 3359 } 3360 3361 restart_ih: 3362 /* Order reading of wptr vs. reading of IH ring data */ 3363 rmb(); 3364 3365 /* display interrupts */ 3366 r600_irq_ack(rdev); 3367 3368 rdev->ih.wptr = wptr; 3369 while (rptr != wptr) { 3370 /* wptr/rptr are in bytes! */ 3371 ring_index = rptr / 4; 3372 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; 3373 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; 3374 3375 switch (src_id) { 3376 case 1: /* D1 vblank/vline */ 3377 switch (src_data) { 3378 case 0: /* D1 vblank */ 3379 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) { 3380 if (rdev->irq.crtc_vblank_int[0]) { 3381 drm_handle_vblank(rdev->ddev, 0); 3382 rdev->pm.vblank_sync = true; 3383 wake_up(&rdev->irq.vblank_queue); 3384 } 3385 if (rdev->irq.pflip[0]) 3386 radeon_crtc_handle_flip(rdev, 0); 3387 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT; 3388 DRM_DEBUG("IH: D1 vblank\n"); 3389 } 3390 break; 3391 case 1: /* D1 vline */ 3392 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) { 3393 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT; 3394 DRM_DEBUG("IH: D1 vline\n"); 3395 } 3396 break; 3397 default: 3398 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3399 break; 3400 } 3401 break; 3402 case 5: /* D2 vblank/vline */ 3403 switch (src_data) { 3404 case 0: /* D2 vblank */ 3405 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) { 3406 if (rdev->irq.crtc_vblank_int[1]) { 3407 drm_handle_vblank(rdev->ddev, 1); 3408 rdev->pm.vblank_sync = true; 3409 wake_up(&rdev->irq.vblank_queue); 3410 } 3411 if (rdev->irq.pflip[1]) 3412 radeon_crtc_handle_flip(rdev, 1); 3413 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT; 3414 DRM_DEBUG("IH: D2 vblank\n"); 3415 } 3416 break; 3417 case 1: /* D1 vline */ 3418 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) { 3419 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT; 3420 DRM_DEBUG("IH: D2 vline\n"); 3421 } 3422 break; 3423 default: 3424 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3425 break; 3426 } 3427 break; 3428 case 19: /* HPD/DAC hotplug */ 3429 switch (src_data) { 3430 case 0: 3431 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3432 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT; 3433 queue_hotplug = true; 3434 DRM_DEBUG("IH: HPD1\n"); 3435 } 3436 break; 3437 case 1: 3438 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3439 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT; 3440 queue_hotplug = true; 3441 DRM_DEBUG("IH: HPD2\n"); 3442 } 3443 break; 3444 case 4: 3445 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3446 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT; 3447 queue_hotplug = true; 3448 DRM_DEBUG("IH: HPD3\n"); 3449 } 3450 break; 3451 case 5: 3452 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3453 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT; 3454 queue_hotplug = true; 3455 DRM_DEBUG("IH: HPD4\n"); 3456 } 3457 break; 3458 case 10: 3459 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3460 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT; 3461 queue_hotplug = true; 3462 DRM_DEBUG("IH: HPD5\n"); 3463 } 3464 break; 3465 case 12: 3466 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 3467 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT; 3468 queue_hotplug = true; 3469 DRM_DEBUG("IH: HPD6\n"); 3470 } 3471 break; 3472 default: 3473 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3474 break; 3475 } 3476 break; 3477 case 21: /* HDMI */ 3478 DRM_DEBUG("IH: HDMI: 0x%x\n", src_data); 3479 r600_audio_schedule_polling(rdev); 3480 break; 3481 case 176: /* CP_INT in ring buffer */ 3482 case 177: /* CP_INT in IB1 */ 3483 case 178: /* CP_INT in IB2 */ 3484 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); 3485 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 3486 break; 3487 case 181: /* CP EOP event */ 3488 DRM_DEBUG("IH: CP EOP\n"); 3489 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 3490 break; 3491 case 233: /* GUI IDLE */ 3492 DRM_DEBUG("IH: GUI idle\n"); 3493 rdev->pm.gui_idle = true; 3494 wake_up(&rdev->irq.idle_queue); 3495 break; 3496 default: 3497 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3498 break; 3499 } 3500 3501 /* wptr/rptr are in bytes! */ 3502 rptr += 16; 3503 rptr &= rdev->ih.ptr_mask; 3504 } 3505 /* make sure wptr hasn't changed while processing */ 3506 wptr = r600_get_ih_wptr(rdev); 3507 if (wptr != rdev->ih.wptr) 3508 goto restart_ih; 3509 if (queue_hotplug) 3510 schedule_work(&rdev->hotplug_work); 3511 rdev->ih.rptr = rptr; 3512 WREG32(IH_RB_RPTR, rdev->ih.rptr); 3513 spin_unlock_irqrestore(&rdev->ih.lock, flags); 3514 return IRQ_HANDLED; 3515 } 3516 3517 /* 3518 * Debugfs info 3519 */ 3520 #if defined(CONFIG_DEBUG_FS) 3521 3522 static int r600_debugfs_mc_info(struct seq_file *m, void *data) 3523 { 3524 struct drm_info_node *node = (struct drm_info_node *) m->private; 3525 struct drm_device *dev = node->minor->dev; 3526 struct radeon_device *rdev = dev->dev_private; 3527 3528 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS); 3529 DREG32_SYS(m, rdev, VM_L2_STATUS); 3530 return 0; 3531 } 3532 3533 static struct drm_info_list r600_mc_info_list[] = { 3534 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL}, 3535 }; 3536 #endif 3537 3538 int r600_debugfs_mc_info_init(struct radeon_device *rdev) 3539 { 3540 #if defined(CONFIG_DEBUG_FS) 3541 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list)); 3542 #else 3543 return 0; 3544 #endif 3545 } 3546 3547 /** 3548 * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl 3549 * rdev: radeon device structure 3550 * bo: buffer object struct which userspace is waiting for idle 3551 * 3552 * Some R6XX/R7XX doesn't seems to take into account HDP flush performed 3553 * through ring buffer, this leads to corruption in rendering, see 3554 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we 3555 * directly perform HDP flush by writing register through MMIO. 3556 */ 3557 void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo) 3558 { 3559 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 3560 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL. 3561 * This seems to cause problems on some AGP cards. Just use the old 3562 * method for them. 3563 */ 3564 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 3565 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) { 3566 void __iomem *ptr = (void *)rdev->vram_scratch.ptr; 3567 u32 tmp; 3568 3569 WREG32(HDP_DEBUG1, 0); 3570 tmp = readl((void __iomem *)ptr); 3571 } else 3572 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 3573 } 3574 3575 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes) 3576 { 3577 u32 link_width_cntl, mask, target_reg; 3578 3579 if (rdev->flags & RADEON_IS_IGP) 3580 return; 3581 3582 if (!(rdev->flags & RADEON_IS_PCIE)) 3583 return; 3584 3585 /* x2 cards have a special sequence */ 3586 if (ASIC_IS_X2(rdev)) 3587 return; 3588 3589 /* FIXME wait for idle */ 3590 3591 switch (lanes) { 3592 case 0: 3593 mask = RADEON_PCIE_LC_LINK_WIDTH_X0; 3594 break; 3595 case 1: 3596 mask = RADEON_PCIE_LC_LINK_WIDTH_X1; 3597 break; 3598 case 2: 3599 mask = RADEON_PCIE_LC_LINK_WIDTH_X2; 3600 break; 3601 case 4: 3602 mask = RADEON_PCIE_LC_LINK_WIDTH_X4; 3603 break; 3604 case 8: 3605 mask = RADEON_PCIE_LC_LINK_WIDTH_X8; 3606 break; 3607 case 12: 3608 mask = RADEON_PCIE_LC_LINK_WIDTH_X12; 3609 break; 3610 case 16: 3611 default: 3612 mask = RADEON_PCIE_LC_LINK_WIDTH_X16; 3613 break; 3614 } 3615 3616 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 3617 3618 if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) == 3619 (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT)) 3620 return; 3621 3622 if (link_width_cntl & R600_PCIE_LC_UPCONFIGURE_DIS) 3623 return; 3624 3625 link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK | 3626 RADEON_PCIE_LC_RECONFIG_NOW | 3627 R600_PCIE_LC_RENEGOTIATE_EN | 3628 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE); 3629 link_width_cntl |= mask; 3630 3631 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3632 3633 /* some northbridges can renegotiate the link rather than requiring 3634 * a complete re-config. 3635 * e.g., AMD 780/790 northbridges (pci ids: 0x5956, 0x5957, 0x5958, etc.) 3636 */ 3637 if (link_width_cntl & R600_PCIE_LC_RENEGOTIATION_SUPPORT) 3638 link_width_cntl |= R600_PCIE_LC_RENEGOTIATE_EN | R600_PCIE_LC_UPCONFIGURE_SUPPORT; 3639 else 3640 link_width_cntl |= R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE; 3641 3642 WREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl | 3643 RADEON_PCIE_LC_RECONFIG_NOW)); 3644 3645 if (rdev->family >= CHIP_RV770) 3646 target_reg = R700_TARGET_AND_CURRENT_PROFILE_INDEX; 3647 else 3648 target_reg = R600_TARGET_AND_CURRENT_PROFILE_INDEX; 3649 3650 /* wait for lane set to complete */ 3651 link_width_cntl = RREG32(target_reg); 3652 while (link_width_cntl == 0xffffffff) 3653 link_width_cntl = RREG32(target_reg); 3654 3655 } 3656 3657 int r600_get_pcie_lanes(struct radeon_device *rdev) 3658 { 3659 u32 link_width_cntl; 3660 3661 if (rdev->flags & RADEON_IS_IGP) 3662 return 0; 3663 3664 if (!(rdev->flags & RADEON_IS_PCIE)) 3665 return 0; 3666 3667 /* x2 cards have a special sequence */ 3668 if (ASIC_IS_X2(rdev)) 3669 return 0; 3670 3671 /* FIXME wait for idle */ 3672 3673 link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 3674 3675 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) { 3676 case RADEON_PCIE_LC_LINK_WIDTH_X0: 3677 return 0; 3678 case RADEON_PCIE_LC_LINK_WIDTH_X1: 3679 return 1; 3680 case RADEON_PCIE_LC_LINK_WIDTH_X2: 3681 return 2; 3682 case RADEON_PCIE_LC_LINK_WIDTH_X4: 3683 return 4; 3684 case RADEON_PCIE_LC_LINK_WIDTH_X8: 3685 return 8; 3686 case RADEON_PCIE_LC_LINK_WIDTH_X16: 3687 default: 3688 return 16; 3689 } 3690 } 3691 3692 static void r600_pcie_gen2_enable(struct radeon_device *rdev) 3693 { 3694 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp; 3695 u16 link_cntl2; 3696 3697 if (radeon_pcie_gen2 == 0) 3698 return; 3699 3700 if (rdev->flags & RADEON_IS_IGP) 3701 return; 3702 3703 if (!(rdev->flags & RADEON_IS_PCIE)) 3704 return; 3705 3706 /* x2 cards have a special sequence */ 3707 if (ASIC_IS_X2(rdev)) 3708 return; 3709 3710 /* only RV6xx+ chips are supported */ 3711 if (rdev->family <= CHIP_R600) 3712 return; 3713 3714 /* 55 nm r6xx asics */ 3715 if ((rdev->family == CHIP_RV670) || 3716 (rdev->family == CHIP_RV620) || 3717 (rdev->family == CHIP_RV635)) { 3718 /* advertise upconfig capability */ 3719 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); 3720 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 3721 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3722 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); 3723 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) { 3724 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT; 3725 link_width_cntl &= ~(LC_LINK_WIDTH_MASK | 3726 LC_RECONFIG_ARC_MISSING_ESCAPE); 3727 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN; 3728 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3729 } else { 3730 link_width_cntl |= LC_UPCONFIGURE_DIS; 3731 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3732 } 3733 } 3734 3735 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3736 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) && 3737 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { 3738 3739 /* 55 nm r6xx asics */ 3740 if ((rdev->family == CHIP_RV670) || 3741 (rdev->family == CHIP_RV620) || 3742 (rdev->family == CHIP_RV635)) { 3743 WREG32(MM_CFGREGS_CNTL, 0x8); 3744 link_cntl2 = RREG32(0x4088); 3745 WREG32(MM_CFGREGS_CNTL, 0); 3746 /* not supported yet */ 3747 if (link_cntl2 & SELECTABLE_DEEMPHASIS) 3748 return; 3749 } 3750 3751 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK; 3752 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT); 3753 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK; 3754 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE; 3755 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE; 3756 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3757 3758 tmp = RREG32(0x541c); 3759 WREG32(0x541c, tmp | 0x8); 3760 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN); 3761 link_cntl2 = RREG16(0x4088); 3762 link_cntl2 &= ~TARGET_LINK_SPEED_MASK; 3763 link_cntl2 |= 0x2; 3764 WREG16(0x4088, link_cntl2); 3765 WREG32(MM_CFGREGS_CNTL, 0); 3766 3767 if ((rdev->family == CHIP_RV670) || 3768 (rdev->family == CHIP_RV620) || 3769 (rdev->family == CHIP_RV635)) { 3770 training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL); 3771 training_cntl &= ~LC_POINT_7_PLUS_EN; 3772 WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl); 3773 } else { 3774 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3775 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; 3776 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3777 } 3778 3779 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); 3780 speed_cntl |= LC_GEN2_EN_STRAP; 3781 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); 3782 3783 } else { 3784 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); 3785 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ 3786 if (1) 3787 link_width_cntl |= LC_UPCONFIGURE_DIS; 3788 else 3789 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 3790 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 3791 } 3792 } 3793