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/module.h> 32 #include <drm/drmP.h> 33 #include <drm/radeon_drm.h> 34 #include "radeon.h" 35 #include "radeon_asic.h" 36 #include "radeon_mode.h" 37 #include "r600d.h" 38 #include "atom.h" 39 #include "avivod.h" 40 #include "radeon_ucode.h" 41 42 /* Firmware Names */ 43 MODULE_FIRMWARE("radeon/R600_pfp.bin"); 44 MODULE_FIRMWARE("radeon/R600_me.bin"); 45 MODULE_FIRMWARE("radeon/RV610_pfp.bin"); 46 MODULE_FIRMWARE("radeon/RV610_me.bin"); 47 MODULE_FIRMWARE("radeon/RV630_pfp.bin"); 48 MODULE_FIRMWARE("radeon/RV630_me.bin"); 49 MODULE_FIRMWARE("radeon/RV620_pfp.bin"); 50 MODULE_FIRMWARE("radeon/RV620_me.bin"); 51 MODULE_FIRMWARE("radeon/RV635_pfp.bin"); 52 MODULE_FIRMWARE("radeon/RV635_me.bin"); 53 MODULE_FIRMWARE("radeon/RV670_pfp.bin"); 54 MODULE_FIRMWARE("radeon/RV670_me.bin"); 55 MODULE_FIRMWARE("radeon/RS780_pfp.bin"); 56 MODULE_FIRMWARE("radeon/RS780_me.bin"); 57 MODULE_FIRMWARE("radeon/RV770_pfp.bin"); 58 MODULE_FIRMWARE("radeon/RV770_me.bin"); 59 MODULE_FIRMWARE("radeon/RV770_smc.bin"); 60 MODULE_FIRMWARE("radeon/RV730_pfp.bin"); 61 MODULE_FIRMWARE("radeon/RV730_me.bin"); 62 MODULE_FIRMWARE("radeon/RV730_smc.bin"); 63 MODULE_FIRMWARE("radeon/RV740_smc.bin"); 64 MODULE_FIRMWARE("radeon/RV710_pfp.bin"); 65 MODULE_FIRMWARE("radeon/RV710_me.bin"); 66 MODULE_FIRMWARE("radeon/RV710_smc.bin"); 67 MODULE_FIRMWARE("radeon/R600_rlc.bin"); 68 MODULE_FIRMWARE("radeon/R700_rlc.bin"); 69 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin"); 70 MODULE_FIRMWARE("radeon/CEDAR_me.bin"); 71 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin"); 72 MODULE_FIRMWARE("radeon/CEDAR_smc.bin"); 73 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin"); 74 MODULE_FIRMWARE("radeon/REDWOOD_me.bin"); 75 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin"); 76 MODULE_FIRMWARE("radeon/REDWOOD_smc.bin"); 77 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin"); 78 MODULE_FIRMWARE("radeon/JUNIPER_me.bin"); 79 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin"); 80 MODULE_FIRMWARE("radeon/JUNIPER_smc.bin"); 81 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin"); 82 MODULE_FIRMWARE("radeon/CYPRESS_me.bin"); 83 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin"); 84 MODULE_FIRMWARE("radeon/CYPRESS_smc.bin"); 85 MODULE_FIRMWARE("radeon/PALM_pfp.bin"); 86 MODULE_FIRMWARE("radeon/PALM_me.bin"); 87 MODULE_FIRMWARE("radeon/SUMO_rlc.bin"); 88 MODULE_FIRMWARE("radeon/SUMO_pfp.bin"); 89 MODULE_FIRMWARE("radeon/SUMO_me.bin"); 90 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin"); 91 MODULE_FIRMWARE("radeon/SUMO2_me.bin"); 92 93 static const u32 crtc_offsets[2] = 94 { 95 0, 96 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL 97 }; 98 99 int r600_debugfs_mc_info_init(struct radeon_device *rdev); 100 101 /* r600,rv610,rv630,rv620,rv635,rv670 */ 102 int r600_mc_wait_for_idle(struct radeon_device *rdev); 103 static void r600_gpu_init(struct radeon_device *rdev); 104 void r600_fini(struct radeon_device *rdev); 105 void r600_irq_disable(struct radeon_device *rdev); 106 static void r600_pcie_gen2_enable(struct radeon_device *rdev); 107 extern int evergreen_rlc_resume(struct radeon_device *rdev); 108 extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev); 109 110 /** 111 * r600_get_xclk - get the xclk 112 * 113 * @rdev: radeon_device pointer 114 * 115 * Returns the reference clock used by the gfx engine 116 * (r6xx, IGPs, APUs). 117 */ 118 u32 r600_get_xclk(struct radeon_device *rdev) 119 { 120 return rdev->clock.spll.reference_freq; 121 } 122 123 int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk) 124 { 125 return 0; 126 } 127 128 void dce3_program_fmt(struct drm_encoder *encoder) 129 { 130 struct drm_device *dev = encoder->dev; 131 struct radeon_device *rdev = dev->dev_private; 132 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 133 struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); 134 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 135 int bpc = 0; 136 u32 tmp = 0; 137 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE; 138 139 if (connector) { 140 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 141 bpc = radeon_get_monitor_bpc(connector); 142 dither = radeon_connector->dither; 143 } 144 145 /* LVDS FMT is set up by atom */ 146 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 147 return; 148 149 /* not needed for analog */ 150 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) || 151 (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2)) 152 return; 153 154 if (bpc == 0) 155 return; 156 157 switch (bpc) { 158 case 6: 159 if (dither == RADEON_FMT_DITHER_ENABLE) 160 /* XXX sort out optimal dither settings */ 161 tmp |= FMT_SPATIAL_DITHER_EN; 162 else 163 tmp |= FMT_TRUNCATE_EN; 164 break; 165 case 8: 166 if (dither == RADEON_FMT_DITHER_ENABLE) 167 /* XXX sort out optimal dither settings */ 168 tmp |= (FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH); 169 else 170 tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH); 171 break; 172 case 10: 173 default: 174 /* not needed */ 175 break; 176 } 177 178 WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp); 179 } 180 181 /* get temperature in millidegrees */ 182 int rv6xx_get_temp(struct radeon_device *rdev) 183 { 184 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >> 185 ASIC_T_SHIFT; 186 int actual_temp = temp & 0xff; 187 188 if (temp & 0x100) 189 actual_temp -= 256; 190 191 return actual_temp * 1000; 192 } 193 194 void r600_pm_get_dynpm_state(struct radeon_device *rdev) 195 { 196 int i; 197 198 rdev->pm.dynpm_can_upclock = true; 199 rdev->pm.dynpm_can_downclock = true; 200 201 /* power state array is low to high, default is first */ 202 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) { 203 int min_power_state_index = 0; 204 205 if (rdev->pm.num_power_states > 2) 206 min_power_state_index = 1; 207 208 switch (rdev->pm.dynpm_planned_action) { 209 case DYNPM_ACTION_MINIMUM: 210 rdev->pm.requested_power_state_index = min_power_state_index; 211 rdev->pm.requested_clock_mode_index = 0; 212 rdev->pm.dynpm_can_downclock = false; 213 break; 214 case DYNPM_ACTION_DOWNCLOCK: 215 if (rdev->pm.current_power_state_index == min_power_state_index) { 216 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 217 rdev->pm.dynpm_can_downclock = false; 218 } else { 219 if (rdev->pm.active_crtc_count > 1) { 220 for (i = 0; i < rdev->pm.num_power_states; i++) { 221 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 222 continue; 223 else if (i >= rdev->pm.current_power_state_index) { 224 rdev->pm.requested_power_state_index = 225 rdev->pm.current_power_state_index; 226 break; 227 } else { 228 rdev->pm.requested_power_state_index = i; 229 break; 230 } 231 } 232 } else { 233 if (rdev->pm.current_power_state_index == 0) 234 rdev->pm.requested_power_state_index = 235 rdev->pm.num_power_states - 1; 236 else 237 rdev->pm.requested_power_state_index = 238 rdev->pm.current_power_state_index - 1; 239 } 240 } 241 rdev->pm.requested_clock_mode_index = 0; 242 /* don't use the power state if crtcs are active and no display flag is set */ 243 if ((rdev->pm.active_crtc_count > 0) && 244 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 245 clock_info[rdev->pm.requested_clock_mode_index].flags & 246 RADEON_PM_MODE_NO_DISPLAY)) { 247 rdev->pm.requested_power_state_index++; 248 } 249 break; 250 case DYNPM_ACTION_UPCLOCK: 251 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { 252 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index; 253 rdev->pm.dynpm_can_upclock = false; 254 } else { 255 if (rdev->pm.active_crtc_count > 1) { 256 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { 257 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 258 continue; 259 else if (i <= rdev->pm.current_power_state_index) { 260 rdev->pm.requested_power_state_index = 261 rdev->pm.current_power_state_index; 262 break; 263 } else { 264 rdev->pm.requested_power_state_index = i; 265 break; 266 } 267 } 268 } else 269 rdev->pm.requested_power_state_index = 270 rdev->pm.current_power_state_index + 1; 271 } 272 rdev->pm.requested_clock_mode_index = 0; 273 break; 274 case DYNPM_ACTION_DEFAULT: 275 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 276 rdev->pm.requested_clock_mode_index = 0; 277 rdev->pm.dynpm_can_upclock = false; 278 break; 279 case DYNPM_ACTION_NONE: 280 default: 281 DRM_ERROR("Requested mode for not defined action\n"); 282 return; 283 } 284 } else { 285 /* XXX select a power state based on AC/DC, single/dualhead, etc. */ 286 /* for now just select the first power state and switch between clock modes */ 287 /* power state array is low to high, default is first (0) */ 288 if (rdev->pm.active_crtc_count > 1) { 289 rdev->pm.requested_power_state_index = -1; 290 /* start at 1 as we don't want the default mode */ 291 for (i = 1; i < rdev->pm.num_power_states; i++) { 292 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) 293 continue; 294 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) || 295 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) { 296 rdev->pm.requested_power_state_index = i; 297 break; 298 } 299 } 300 /* if nothing selected, grab the default state. */ 301 if (rdev->pm.requested_power_state_index == -1) 302 rdev->pm.requested_power_state_index = 0; 303 } else 304 rdev->pm.requested_power_state_index = 1; 305 306 switch (rdev->pm.dynpm_planned_action) { 307 case DYNPM_ACTION_MINIMUM: 308 rdev->pm.requested_clock_mode_index = 0; 309 rdev->pm.dynpm_can_downclock = false; 310 break; 311 case DYNPM_ACTION_DOWNCLOCK: 312 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 313 if (rdev->pm.current_clock_mode_index == 0) { 314 rdev->pm.requested_clock_mode_index = 0; 315 rdev->pm.dynpm_can_downclock = false; 316 } else 317 rdev->pm.requested_clock_mode_index = 318 rdev->pm.current_clock_mode_index - 1; 319 } else { 320 rdev->pm.requested_clock_mode_index = 0; 321 rdev->pm.dynpm_can_downclock = false; 322 } 323 /* don't use the power state if crtcs are active and no display flag is set */ 324 if ((rdev->pm.active_crtc_count > 0) && 325 (rdev->pm.power_state[rdev->pm.requested_power_state_index]. 326 clock_info[rdev->pm.requested_clock_mode_index].flags & 327 RADEON_PM_MODE_NO_DISPLAY)) { 328 rdev->pm.requested_clock_mode_index++; 329 } 330 break; 331 case DYNPM_ACTION_UPCLOCK: 332 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { 333 if (rdev->pm.current_clock_mode_index == 334 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) { 335 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index; 336 rdev->pm.dynpm_can_upclock = false; 337 } else 338 rdev->pm.requested_clock_mode_index = 339 rdev->pm.current_clock_mode_index + 1; 340 } else { 341 rdev->pm.requested_clock_mode_index = 342 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1; 343 rdev->pm.dynpm_can_upclock = false; 344 } 345 break; 346 case DYNPM_ACTION_DEFAULT: 347 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index; 348 rdev->pm.requested_clock_mode_index = 0; 349 rdev->pm.dynpm_can_upclock = false; 350 break; 351 case DYNPM_ACTION_NONE: 352 default: 353 DRM_ERROR("Requested mode for not defined action\n"); 354 return; 355 } 356 } 357 358 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n", 359 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 360 clock_info[rdev->pm.requested_clock_mode_index].sclk, 361 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 362 clock_info[rdev->pm.requested_clock_mode_index].mclk, 363 rdev->pm.power_state[rdev->pm.requested_power_state_index]. 364 pcie_lanes); 365 } 366 367 void rs780_pm_init_profile(struct radeon_device *rdev) 368 { 369 if (rdev->pm.num_power_states == 2) { 370 /* default */ 371 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 372 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 373 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 374 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 375 /* low sh */ 376 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0; 377 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0; 378 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 379 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 380 /* mid sh */ 381 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0; 382 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0; 383 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 384 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 385 /* high sh */ 386 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0; 387 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 388 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 389 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 390 /* low mh */ 391 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0; 392 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 393 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 394 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 395 /* mid mh */ 396 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0; 397 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 398 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 399 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 400 /* high mh */ 401 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0; 402 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1; 403 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 404 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 405 } else if (rdev->pm.num_power_states == 3) { 406 /* default */ 407 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 408 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 409 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 410 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 411 /* low sh */ 412 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 413 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 414 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 415 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 416 /* mid sh */ 417 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 418 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 419 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 420 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 421 /* high sh */ 422 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 423 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2; 424 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 425 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 426 /* low mh */ 427 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1; 428 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1; 429 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 430 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 431 /* mid mh */ 432 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1; 433 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1; 434 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 435 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 436 /* high mh */ 437 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1; 438 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 439 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 440 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 441 } else { 442 /* default */ 443 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 444 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 445 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 446 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 447 /* low sh */ 448 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2; 449 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2; 450 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 451 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 452 /* mid sh */ 453 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2; 454 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2; 455 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 456 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 457 /* high sh */ 458 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2; 459 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3; 460 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 461 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 462 /* low mh */ 463 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 464 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0; 465 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 466 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 467 /* mid mh */ 468 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 469 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0; 470 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 471 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 472 /* high mh */ 473 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 474 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3; 475 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 476 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 477 } 478 } 479 480 void r600_pm_init_profile(struct radeon_device *rdev) 481 { 482 int idx; 483 484 if (rdev->family == CHIP_R600) { 485 /* XXX */ 486 /* default */ 487 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 488 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 489 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 490 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0; 491 /* low sh */ 492 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 493 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 494 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 495 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 496 /* mid sh */ 497 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 498 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 499 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 500 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0; 501 /* high sh */ 502 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 503 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 504 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 505 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0; 506 /* low mh */ 507 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 508 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 509 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 510 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 511 /* mid mh */ 512 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 513 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 514 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 515 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0; 516 /* high mh */ 517 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 518 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 519 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 520 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0; 521 } else { 522 if (rdev->pm.num_power_states < 4) { 523 /* default */ 524 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 525 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 526 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 527 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 528 /* low sh */ 529 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1; 530 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1; 531 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 532 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 533 /* mid sh */ 534 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1; 535 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1; 536 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 537 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 538 /* high sh */ 539 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1; 540 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1; 541 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 542 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 543 /* low mh */ 544 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2; 545 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2; 546 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 547 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 548 /* low mh */ 549 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2; 550 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2; 551 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 552 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 553 /* high mh */ 554 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2; 555 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2; 556 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 557 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 558 } else { 559 /* default */ 560 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index; 561 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index; 562 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0; 563 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2; 564 /* low sh */ 565 if (rdev->flags & RADEON_IS_MOBILITY) 566 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0); 567 else 568 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 569 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx; 570 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx; 571 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0; 572 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0; 573 /* mid sh */ 574 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx; 575 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx; 576 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0; 577 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1; 578 /* high sh */ 579 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0); 580 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx; 581 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx; 582 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0; 583 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2; 584 /* low mh */ 585 if (rdev->flags & RADEON_IS_MOBILITY) 586 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1); 587 else 588 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 589 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx; 590 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx; 591 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0; 592 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0; 593 /* mid mh */ 594 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx; 595 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx; 596 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0; 597 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1; 598 /* high mh */ 599 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1); 600 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx; 601 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx; 602 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0; 603 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2; 604 } 605 } 606 } 607 608 void r600_pm_misc(struct radeon_device *rdev) 609 { 610 int req_ps_idx = rdev->pm.requested_power_state_index; 611 int req_cm_idx = rdev->pm.requested_clock_mode_index; 612 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx]; 613 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; 614 615 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { 616 /* 0xff01 is a flag rather then an actual voltage */ 617 if (voltage->voltage == 0xff01) 618 return; 619 if (voltage->voltage != rdev->pm.current_vddc) { 620 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC); 621 rdev->pm.current_vddc = voltage->voltage; 622 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage); 623 } 624 } 625 } 626 627 bool r600_gui_idle(struct radeon_device *rdev) 628 { 629 if (RREG32(GRBM_STATUS) & GUI_ACTIVE) 630 return false; 631 else 632 return true; 633 } 634 635 /* hpd for digital panel detect/disconnect */ 636 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 637 { 638 bool connected = false; 639 640 if (ASIC_IS_DCE3(rdev)) { 641 switch (hpd) { 642 case RADEON_HPD_1: 643 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) 644 connected = true; 645 break; 646 case RADEON_HPD_2: 647 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) 648 connected = true; 649 break; 650 case RADEON_HPD_3: 651 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) 652 connected = true; 653 break; 654 case RADEON_HPD_4: 655 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) 656 connected = true; 657 break; 658 /* DCE 3.2 */ 659 case RADEON_HPD_5: 660 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) 661 connected = true; 662 break; 663 case RADEON_HPD_6: 664 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) 665 connected = true; 666 break; 667 default: 668 break; 669 } 670 } else { 671 switch (hpd) { 672 case RADEON_HPD_1: 673 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 674 connected = true; 675 break; 676 case RADEON_HPD_2: 677 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 678 connected = true; 679 break; 680 case RADEON_HPD_3: 681 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE) 682 connected = true; 683 break; 684 default: 685 break; 686 } 687 } 688 return connected; 689 } 690 691 void r600_hpd_set_polarity(struct radeon_device *rdev, 692 enum radeon_hpd_id hpd) 693 { 694 u32 tmp; 695 bool connected = r600_hpd_sense(rdev, hpd); 696 697 if (ASIC_IS_DCE3(rdev)) { 698 switch (hpd) { 699 case RADEON_HPD_1: 700 tmp = RREG32(DC_HPD1_INT_CONTROL); 701 if (connected) 702 tmp &= ~DC_HPDx_INT_POLARITY; 703 else 704 tmp |= DC_HPDx_INT_POLARITY; 705 WREG32(DC_HPD1_INT_CONTROL, tmp); 706 break; 707 case RADEON_HPD_2: 708 tmp = RREG32(DC_HPD2_INT_CONTROL); 709 if (connected) 710 tmp &= ~DC_HPDx_INT_POLARITY; 711 else 712 tmp |= DC_HPDx_INT_POLARITY; 713 WREG32(DC_HPD2_INT_CONTROL, tmp); 714 break; 715 case RADEON_HPD_3: 716 tmp = RREG32(DC_HPD3_INT_CONTROL); 717 if (connected) 718 tmp &= ~DC_HPDx_INT_POLARITY; 719 else 720 tmp |= DC_HPDx_INT_POLARITY; 721 WREG32(DC_HPD3_INT_CONTROL, tmp); 722 break; 723 case RADEON_HPD_4: 724 tmp = RREG32(DC_HPD4_INT_CONTROL); 725 if (connected) 726 tmp &= ~DC_HPDx_INT_POLARITY; 727 else 728 tmp |= DC_HPDx_INT_POLARITY; 729 WREG32(DC_HPD4_INT_CONTROL, tmp); 730 break; 731 case RADEON_HPD_5: 732 tmp = RREG32(DC_HPD5_INT_CONTROL); 733 if (connected) 734 tmp &= ~DC_HPDx_INT_POLARITY; 735 else 736 tmp |= DC_HPDx_INT_POLARITY; 737 WREG32(DC_HPD5_INT_CONTROL, tmp); 738 break; 739 /* DCE 3.2 */ 740 case RADEON_HPD_6: 741 tmp = RREG32(DC_HPD6_INT_CONTROL); 742 if (connected) 743 tmp &= ~DC_HPDx_INT_POLARITY; 744 else 745 tmp |= DC_HPDx_INT_POLARITY; 746 WREG32(DC_HPD6_INT_CONTROL, tmp); 747 break; 748 default: 749 break; 750 } 751 } else { 752 switch (hpd) { 753 case RADEON_HPD_1: 754 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 755 if (connected) 756 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 757 else 758 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 759 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 760 break; 761 case RADEON_HPD_2: 762 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 763 if (connected) 764 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 765 else 766 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 767 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 768 break; 769 case RADEON_HPD_3: 770 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 771 if (connected) 772 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY; 773 else 774 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY; 775 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 776 break; 777 default: 778 break; 779 } 780 } 781 } 782 783 void r600_hpd_init(struct radeon_device *rdev) 784 { 785 struct drm_device *dev = rdev->ddev; 786 struct drm_connector *connector; 787 unsigned enable = 0; 788 789 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 790 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 791 792 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || 793 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { 794 /* don't try to enable hpd on eDP or LVDS avoid breaking the 795 * aux dp channel on imac and help (but not completely fix) 796 * https://bugzilla.redhat.com/show_bug.cgi?id=726143 797 */ 798 continue; 799 } 800 if (ASIC_IS_DCE3(rdev)) { 801 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); 802 if (ASIC_IS_DCE32(rdev)) 803 tmp |= DC_HPDx_EN; 804 805 switch (radeon_connector->hpd.hpd) { 806 case RADEON_HPD_1: 807 WREG32(DC_HPD1_CONTROL, tmp); 808 break; 809 case RADEON_HPD_2: 810 WREG32(DC_HPD2_CONTROL, tmp); 811 break; 812 case RADEON_HPD_3: 813 WREG32(DC_HPD3_CONTROL, tmp); 814 break; 815 case RADEON_HPD_4: 816 WREG32(DC_HPD4_CONTROL, tmp); 817 break; 818 /* DCE 3.2 */ 819 case RADEON_HPD_5: 820 WREG32(DC_HPD5_CONTROL, tmp); 821 break; 822 case RADEON_HPD_6: 823 WREG32(DC_HPD6_CONTROL, tmp); 824 break; 825 default: 826 break; 827 } 828 } else { 829 switch (radeon_connector->hpd.hpd) { 830 case RADEON_HPD_1: 831 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN); 832 break; 833 case RADEON_HPD_2: 834 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN); 835 break; 836 case RADEON_HPD_3: 837 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN); 838 break; 839 default: 840 break; 841 } 842 } 843 enable |= 1 << radeon_connector->hpd.hpd; 844 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 845 } 846 radeon_irq_kms_enable_hpd(rdev, enable); 847 } 848 849 void r600_hpd_fini(struct radeon_device *rdev) 850 { 851 struct drm_device *dev = rdev->ddev; 852 struct drm_connector *connector; 853 unsigned disable = 0; 854 855 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 856 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 857 if (ASIC_IS_DCE3(rdev)) { 858 switch (radeon_connector->hpd.hpd) { 859 case RADEON_HPD_1: 860 WREG32(DC_HPD1_CONTROL, 0); 861 break; 862 case RADEON_HPD_2: 863 WREG32(DC_HPD2_CONTROL, 0); 864 break; 865 case RADEON_HPD_3: 866 WREG32(DC_HPD3_CONTROL, 0); 867 break; 868 case RADEON_HPD_4: 869 WREG32(DC_HPD4_CONTROL, 0); 870 break; 871 /* DCE 3.2 */ 872 case RADEON_HPD_5: 873 WREG32(DC_HPD5_CONTROL, 0); 874 break; 875 case RADEON_HPD_6: 876 WREG32(DC_HPD6_CONTROL, 0); 877 break; 878 default: 879 break; 880 } 881 } else { 882 switch (radeon_connector->hpd.hpd) { 883 case RADEON_HPD_1: 884 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0); 885 break; 886 case RADEON_HPD_2: 887 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0); 888 break; 889 case RADEON_HPD_3: 890 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0); 891 break; 892 default: 893 break; 894 } 895 } 896 disable |= 1 << radeon_connector->hpd.hpd; 897 } 898 radeon_irq_kms_disable_hpd(rdev, disable); 899 } 900 901 /* 902 * R600 PCIE GART 903 */ 904 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev) 905 { 906 unsigned i; 907 u32 tmp; 908 909 /* flush hdp cache so updates hit vram */ 910 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 911 !(rdev->flags & RADEON_IS_AGP)) { 912 void __iomem *ptr = (void *)rdev->gart.ptr; 913 u32 tmp; 914 915 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 916 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL 917 * This seems to cause problems on some AGP cards. Just use the old 918 * method for them. 919 */ 920 WREG32(HDP_DEBUG1, 0); 921 tmp = readl((void __iomem *)ptr); 922 } else 923 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 924 925 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12); 926 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12); 927 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); 928 for (i = 0; i < rdev->usec_timeout; i++) { 929 /* read MC_STATUS */ 930 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); 931 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; 932 if (tmp == 2) { 933 printk(KERN_WARNING "[drm] r600 flush TLB failed\n"); 934 return; 935 } 936 if (tmp) { 937 return; 938 } 939 udelay(1); 940 } 941 } 942 943 int r600_pcie_gart_init(struct radeon_device *rdev) 944 { 945 int r; 946 947 if (rdev->gart.robj) { 948 WARN(1, "R600 PCIE GART already initialized\n"); 949 return 0; 950 } 951 /* Initialize common gart structure */ 952 r = radeon_gart_init(rdev); 953 if (r) 954 return r; 955 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; 956 return radeon_gart_table_vram_alloc(rdev); 957 } 958 959 static int r600_pcie_gart_enable(struct radeon_device *rdev) 960 { 961 u32 tmp; 962 int r, i; 963 964 if (rdev->gart.robj == NULL) { 965 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 966 return -EINVAL; 967 } 968 r = radeon_gart_table_vram_pin(rdev); 969 if (r) 970 return r; 971 radeon_gart_restore(rdev); 972 973 /* Setup L2 cache */ 974 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 975 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 976 EFFECTIVE_L2_QUEUE_SIZE(7)); 977 WREG32(VM_L2_CNTL2, 0); 978 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 979 /* Setup TLB control */ 980 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 981 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 982 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 983 ENABLE_WAIT_L2_QUERY; 984 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 985 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 986 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 987 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 988 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 989 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 990 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 991 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 992 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 993 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 994 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 995 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 996 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 997 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 998 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); 999 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); 1000 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); 1001 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | 1002 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); 1003 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, 1004 (u32)(rdev->dummy_page.addr >> 12)); 1005 for (i = 1; i < 7; i++) 1006 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1007 1008 r600_pcie_gart_tlb_flush(rdev); 1009 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 1010 (unsigned)(rdev->mc.gtt_size >> 20), 1011 (unsigned long long)rdev->gart.table_addr); 1012 rdev->gart.ready = true; 1013 return 0; 1014 } 1015 1016 static void r600_pcie_gart_disable(struct radeon_device *rdev) 1017 { 1018 u32 tmp; 1019 int i; 1020 1021 /* Disable all tables */ 1022 for (i = 0; i < 7; i++) 1023 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1024 1025 /* Disable L2 cache */ 1026 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | 1027 EFFECTIVE_L2_QUEUE_SIZE(7)); 1028 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1029 /* Setup L1 TLB control */ 1030 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1031 ENABLE_WAIT_L2_QUERY; 1032 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1033 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1034 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1035 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1036 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1037 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1038 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1039 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1040 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp); 1041 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp); 1042 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1043 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1044 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp); 1045 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1046 radeon_gart_table_vram_unpin(rdev); 1047 } 1048 1049 static void r600_pcie_gart_fini(struct radeon_device *rdev) 1050 { 1051 radeon_gart_fini(rdev); 1052 r600_pcie_gart_disable(rdev); 1053 radeon_gart_table_vram_free(rdev); 1054 } 1055 1056 static void r600_agp_enable(struct radeon_device *rdev) 1057 { 1058 u32 tmp; 1059 int i; 1060 1061 /* Setup L2 cache */ 1062 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | 1063 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | 1064 EFFECTIVE_L2_QUEUE_SIZE(7)); 1065 WREG32(VM_L2_CNTL2, 0); 1066 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1)); 1067 /* Setup TLB control */ 1068 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | 1069 SYSTEM_ACCESS_MODE_NOT_IN_SYS | 1070 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) | 1071 ENABLE_WAIT_L2_QUERY; 1072 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp); 1073 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp); 1074 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING); 1075 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp); 1076 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp); 1077 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp); 1078 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp); 1079 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp); 1080 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp); 1081 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp); 1082 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp); 1083 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp); 1084 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1085 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE); 1086 for (i = 0; i < 7; i++) 1087 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0); 1088 } 1089 1090 int r600_mc_wait_for_idle(struct radeon_device *rdev) 1091 { 1092 unsigned i; 1093 u32 tmp; 1094 1095 for (i = 0; i < rdev->usec_timeout; i++) { 1096 /* read MC_STATUS */ 1097 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00; 1098 if (!tmp) 1099 return 0; 1100 udelay(1); 1101 } 1102 return -1; 1103 } 1104 1105 uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg) 1106 { 1107 unsigned long flags; 1108 uint32_t r; 1109 1110 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 1111 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg)); 1112 r = RREG32(R_0028FC_MC_DATA); 1113 WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR); 1114 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 1115 return r; 1116 } 1117 1118 void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 1119 { 1120 unsigned long flags; 1121 1122 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 1123 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) | 1124 S_0028F8_MC_IND_WR_EN(1)); 1125 WREG32(R_0028FC_MC_DATA, v); 1126 WREG32(R_0028F8_MC_INDEX, 0x7F); 1127 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 1128 } 1129 1130 static void r600_mc_program(struct radeon_device *rdev) 1131 { 1132 struct rv515_mc_save save; 1133 u32 tmp; 1134 int i, j; 1135 1136 /* Initialize HDP */ 1137 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1138 WREG32((0x2c14 + j), 0x00000000); 1139 WREG32((0x2c18 + j), 0x00000000); 1140 WREG32((0x2c1c + j), 0x00000000); 1141 WREG32((0x2c20 + j), 0x00000000); 1142 WREG32((0x2c24 + j), 0x00000000); 1143 } 1144 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); 1145 1146 rv515_mc_stop(rdev, &save); 1147 if (r600_mc_wait_for_idle(rdev)) { 1148 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1149 } 1150 /* Lockout access through VGA aperture (doesn't exist before R600) */ 1151 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); 1152 /* Update configuration */ 1153 if (rdev->flags & RADEON_IS_AGP) { 1154 if (rdev->mc.vram_start < rdev->mc.gtt_start) { 1155 /* VRAM before AGP */ 1156 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1157 rdev->mc.vram_start >> 12); 1158 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1159 rdev->mc.gtt_end >> 12); 1160 } else { 1161 /* VRAM after AGP */ 1162 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, 1163 rdev->mc.gtt_start >> 12); 1164 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, 1165 rdev->mc.vram_end >> 12); 1166 } 1167 } else { 1168 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); 1169 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12); 1170 } 1171 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12); 1172 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; 1173 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); 1174 WREG32(MC_VM_FB_LOCATION, tmp); 1175 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); 1176 WREG32(HDP_NONSURFACE_INFO, (2 << 7)); 1177 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); 1178 if (rdev->flags & RADEON_IS_AGP) { 1179 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22); 1180 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22); 1181 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); 1182 } else { 1183 WREG32(MC_VM_AGP_BASE, 0); 1184 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); 1185 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); 1186 } 1187 if (r600_mc_wait_for_idle(rdev)) { 1188 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1189 } 1190 rv515_mc_resume(rdev, &save); 1191 /* we need to own VRAM, so turn off the VGA renderer here 1192 * to stop it overwriting our objects */ 1193 rv515_vga_render_disable(rdev); 1194 } 1195 1196 /** 1197 * r600_vram_gtt_location - try to find VRAM & GTT location 1198 * @rdev: radeon device structure holding all necessary informations 1199 * @mc: memory controller structure holding memory informations 1200 * 1201 * Function will place try to place VRAM at same place as in CPU (PCI) 1202 * address space as some GPU seems to have issue when we reprogram at 1203 * different address space. 1204 * 1205 * If there is not enough space to fit the unvisible VRAM after the 1206 * aperture then we limit the VRAM size to the aperture. 1207 * 1208 * If we are using AGP then place VRAM adjacent to AGP aperture are we need 1209 * them to be in one from GPU point of view so that we can program GPU to 1210 * catch access outside them (weird GPU policy see ??). 1211 * 1212 * This function will never fails, worst case are limiting VRAM or GTT. 1213 * 1214 * Note: GTT start, end, size should be initialized before calling this 1215 * function on AGP platform. 1216 */ 1217 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) 1218 { 1219 u64 size_bf, size_af; 1220 1221 if (mc->mc_vram_size > 0xE0000000) { 1222 /* leave room for at least 512M GTT */ 1223 dev_warn(rdev->dev, "limiting VRAM\n"); 1224 mc->real_vram_size = 0xE0000000; 1225 mc->mc_vram_size = 0xE0000000; 1226 } 1227 if (rdev->flags & RADEON_IS_AGP) { 1228 size_bf = mc->gtt_start; 1229 size_af = mc->mc_mask - mc->gtt_end; 1230 if (size_bf > size_af) { 1231 if (mc->mc_vram_size > size_bf) { 1232 dev_warn(rdev->dev, "limiting VRAM\n"); 1233 mc->real_vram_size = size_bf; 1234 mc->mc_vram_size = size_bf; 1235 } 1236 mc->vram_start = mc->gtt_start - mc->mc_vram_size; 1237 } else { 1238 if (mc->mc_vram_size > size_af) { 1239 dev_warn(rdev->dev, "limiting VRAM\n"); 1240 mc->real_vram_size = size_af; 1241 mc->mc_vram_size = size_af; 1242 } 1243 mc->vram_start = mc->gtt_end + 1; 1244 } 1245 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; 1246 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n", 1247 mc->mc_vram_size >> 20, mc->vram_start, 1248 mc->vram_end, mc->real_vram_size >> 20); 1249 } else { 1250 u64 base = 0; 1251 if (rdev->flags & RADEON_IS_IGP) { 1252 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF; 1253 base <<= 24; 1254 } 1255 radeon_vram_location(rdev, &rdev->mc, base); 1256 rdev->mc.gtt_base_align = 0; 1257 radeon_gtt_location(rdev, mc); 1258 } 1259 } 1260 1261 static int r600_mc_init(struct radeon_device *rdev) 1262 { 1263 u32 tmp; 1264 int chansize, numchan; 1265 uint32_t h_addr, l_addr; 1266 unsigned long long k8_addr; 1267 1268 /* Get VRAM informations */ 1269 rdev->mc.vram_is_ddr = true; 1270 tmp = RREG32(RAMCFG); 1271 if (tmp & CHANSIZE_OVERRIDE) { 1272 chansize = 16; 1273 } else if (tmp & CHANSIZE_MASK) { 1274 chansize = 64; 1275 } else { 1276 chansize = 32; 1277 } 1278 tmp = RREG32(CHMAP); 1279 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { 1280 case 0: 1281 default: 1282 numchan = 1; 1283 break; 1284 case 1: 1285 numchan = 2; 1286 break; 1287 case 2: 1288 numchan = 4; 1289 break; 1290 case 3: 1291 numchan = 8; 1292 break; 1293 } 1294 rdev->mc.vram_width = numchan * chansize; 1295 /* Could aper size report 0 ? */ 1296 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 1297 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 1298 /* Setup GPU memory space */ 1299 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); 1300 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); 1301 rdev->mc.visible_vram_size = rdev->mc.aper_size; 1302 r600_vram_gtt_location(rdev, &rdev->mc); 1303 1304 if (rdev->flags & RADEON_IS_IGP) { 1305 rs690_pm_info(rdev); 1306 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); 1307 1308 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) { 1309 /* Use K8 direct mapping for fast fb access. */ 1310 rdev->fastfb_working = false; 1311 h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL)); 1312 l_addr = RREG32_MC(R_000011_K8_FB_LOCATION); 1313 k8_addr = ((unsigned long long)h_addr) << 32 | l_addr; 1314 #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) 1315 if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL) 1316 #endif 1317 { 1318 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport 1319 * memory is present. 1320 */ 1321 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) { 1322 DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n", 1323 (unsigned long long)rdev->mc.aper_base, k8_addr); 1324 rdev->mc.aper_base = (resource_size_t)k8_addr; 1325 rdev->fastfb_working = true; 1326 } 1327 } 1328 } 1329 } 1330 1331 radeon_update_bandwidth_info(rdev); 1332 return 0; 1333 } 1334 1335 int r600_vram_scratch_init(struct radeon_device *rdev) 1336 { 1337 int r; 1338 1339 if (rdev->vram_scratch.robj == NULL) { 1340 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE, 1341 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, 1342 NULL, &rdev->vram_scratch.robj); 1343 if (r) { 1344 return r; 1345 } 1346 } 1347 1348 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1349 if (unlikely(r != 0)) 1350 return r; 1351 r = radeon_bo_pin(rdev->vram_scratch.robj, 1352 RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr); 1353 if (r) { 1354 radeon_bo_unreserve(rdev->vram_scratch.robj); 1355 return r; 1356 } 1357 r = radeon_bo_kmap(rdev->vram_scratch.robj, 1358 (void **)&rdev->vram_scratch.ptr); 1359 if (r) 1360 radeon_bo_unpin(rdev->vram_scratch.robj); 1361 radeon_bo_unreserve(rdev->vram_scratch.robj); 1362 1363 return r; 1364 } 1365 1366 void r600_vram_scratch_fini(struct radeon_device *rdev) 1367 { 1368 int r; 1369 1370 if (rdev->vram_scratch.robj == NULL) { 1371 return; 1372 } 1373 r = radeon_bo_reserve(rdev->vram_scratch.robj, false); 1374 if (likely(r == 0)) { 1375 radeon_bo_kunmap(rdev->vram_scratch.robj); 1376 radeon_bo_unpin(rdev->vram_scratch.robj); 1377 radeon_bo_unreserve(rdev->vram_scratch.robj); 1378 } 1379 radeon_bo_unref(&rdev->vram_scratch.robj); 1380 } 1381 1382 void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung) 1383 { 1384 u32 tmp = RREG32(R600_BIOS_3_SCRATCH); 1385 1386 if (hung) 1387 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1388 else 1389 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; 1390 1391 WREG32(R600_BIOS_3_SCRATCH, tmp); 1392 } 1393 1394 static void r600_print_gpu_status_regs(struct radeon_device *rdev) 1395 { 1396 dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n", 1397 RREG32(R_008010_GRBM_STATUS)); 1398 dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n", 1399 RREG32(R_008014_GRBM_STATUS2)); 1400 dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n", 1401 RREG32(R_000E50_SRBM_STATUS)); 1402 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n", 1403 RREG32(CP_STALLED_STAT1)); 1404 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n", 1405 RREG32(CP_STALLED_STAT2)); 1406 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n", 1407 RREG32(CP_BUSY_STAT)); 1408 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n", 1409 RREG32(CP_STAT)); 1410 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n", 1411 RREG32(DMA_STATUS_REG)); 1412 } 1413 1414 static bool r600_is_display_hung(struct radeon_device *rdev) 1415 { 1416 u32 crtc_hung = 0; 1417 u32 crtc_status[2]; 1418 u32 i, j, tmp; 1419 1420 for (i = 0; i < rdev->num_crtc; i++) { 1421 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) { 1422 crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); 1423 crtc_hung |= (1 << i); 1424 } 1425 } 1426 1427 for (j = 0; j < 10; j++) { 1428 for (i = 0; i < rdev->num_crtc; i++) { 1429 if (crtc_hung & (1 << i)) { 1430 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]); 1431 if (tmp != crtc_status[i]) 1432 crtc_hung &= ~(1 << i); 1433 } 1434 } 1435 if (crtc_hung == 0) 1436 return false; 1437 udelay(100); 1438 } 1439 1440 return true; 1441 } 1442 1443 u32 r600_gpu_check_soft_reset(struct radeon_device *rdev) 1444 { 1445 u32 reset_mask = 0; 1446 u32 tmp; 1447 1448 /* GRBM_STATUS */ 1449 tmp = RREG32(R_008010_GRBM_STATUS); 1450 if (rdev->family >= CHIP_RV770) { 1451 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | 1452 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | 1453 G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | 1454 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | 1455 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) 1456 reset_mask |= RADEON_RESET_GFX; 1457 } else { 1458 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) | 1459 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) | 1460 G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) | 1461 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) | 1462 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp)) 1463 reset_mask |= RADEON_RESET_GFX; 1464 } 1465 1466 if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) | 1467 G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp)) 1468 reset_mask |= RADEON_RESET_CP; 1469 1470 if (G_008010_GRBM_EE_BUSY(tmp)) 1471 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP; 1472 1473 /* DMA_STATUS_REG */ 1474 tmp = RREG32(DMA_STATUS_REG); 1475 if (!(tmp & DMA_IDLE)) 1476 reset_mask |= RADEON_RESET_DMA; 1477 1478 /* SRBM_STATUS */ 1479 tmp = RREG32(R_000E50_SRBM_STATUS); 1480 if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp)) 1481 reset_mask |= RADEON_RESET_RLC; 1482 1483 if (G_000E50_IH_BUSY(tmp)) 1484 reset_mask |= RADEON_RESET_IH; 1485 1486 if (G_000E50_SEM_BUSY(tmp)) 1487 reset_mask |= RADEON_RESET_SEM; 1488 1489 if (G_000E50_GRBM_RQ_PENDING(tmp)) 1490 reset_mask |= RADEON_RESET_GRBM; 1491 1492 if (G_000E50_VMC_BUSY(tmp)) 1493 reset_mask |= RADEON_RESET_VMC; 1494 1495 if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) | 1496 G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) | 1497 G_000E50_MCDW_BUSY(tmp)) 1498 reset_mask |= RADEON_RESET_MC; 1499 1500 if (r600_is_display_hung(rdev)) 1501 reset_mask |= RADEON_RESET_DISPLAY; 1502 1503 /* Skip MC reset as it's mostly likely not hung, just busy */ 1504 if (reset_mask & RADEON_RESET_MC) { 1505 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask); 1506 reset_mask &= ~RADEON_RESET_MC; 1507 } 1508 1509 return reset_mask; 1510 } 1511 1512 static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) 1513 { 1514 struct rv515_mc_save save; 1515 u32 grbm_soft_reset = 0, srbm_soft_reset = 0; 1516 u32 tmp; 1517 1518 if (reset_mask == 0) 1519 return; 1520 1521 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask); 1522 1523 r600_print_gpu_status_regs(rdev); 1524 1525 /* Disable CP parsing/prefetching */ 1526 if (rdev->family >= CHIP_RV770) 1527 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); 1528 else 1529 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1530 1531 /* disable the RLC */ 1532 WREG32(RLC_CNTL, 0); 1533 1534 if (reset_mask & RADEON_RESET_DMA) { 1535 /* Disable DMA */ 1536 tmp = RREG32(DMA_RB_CNTL); 1537 tmp &= ~DMA_RB_ENABLE; 1538 WREG32(DMA_RB_CNTL, tmp); 1539 } 1540 1541 mdelay(50); 1542 1543 rv515_mc_stop(rdev, &save); 1544 if (r600_mc_wait_for_idle(rdev)) { 1545 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1546 } 1547 1548 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) { 1549 if (rdev->family >= CHIP_RV770) 1550 grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) | 1551 S_008020_SOFT_RESET_CB(1) | 1552 S_008020_SOFT_RESET_PA(1) | 1553 S_008020_SOFT_RESET_SC(1) | 1554 S_008020_SOFT_RESET_SPI(1) | 1555 S_008020_SOFT_RESET_SX(1) | 1556 S_008020_SOFT_RESET_SH(1) | 1557 S_008020_SOFT_RESET_TC(1) | 1558 S_008020_SOFT_RESET_TA(1) | 1559 S_008020_SOFT_RESET_VC(1) | 1560 S_008020_SOFT_RESET_VGT(1); 1561 else 1562 grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) | 1563 S_008020_SOFT_RESET_DB(1) | 1564 S_008020_SOFT_RESET_CB(1) | 1565 S_008020_SOFT_RESET_PA(1) | 1566 S_008020_SOFT_RESET_SC(1) | 1567 S_008020_SOFT_RESET_SMX(1) | 1568 S_008020_SOFT_RESET_SPI(1) | 1569 S_008020_SOFT_RESET_SX(1) | 1570 S_008020_SOFT_RESET_SH(1) | 1571 S_008020_SOFT_RESET_TC(1) | 1572 S_008020_SOFT_RESET_TA(1) | 1573 S_008020_SOFT_RESET_VC(1) | 1574 S_008020_SOFT_RESET_VGT(1); 1575 } 1576 1577 if (reset_mask & RADEON_RESET_CP) { 1578 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) | 1579 S_008020_SOFT_RESET_VGT(1); 1580 1581 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); 1582 } 1583 1584 if (reset_mask & RADEON_RESET_DMA) { 1585 if (rdev->family >= CHIP_RV770) 1586 srbm_soft_reset |= RV770_SOFT_RESET_DMA; 1587 else 1588 srbm_soft_reset |= SOFT_RESET_DMA; 1589 } 1590 1591 if (reset_mask & RADEON_RESET_RLC) 1592 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1); 1593 1594 if (reset_mask & RADEON_RESET_SEM) 1595 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1); 1596 1597 if (reset_mask & RADEON_RESET_IH) 1598 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1); 1599 1600 if (reset_mask & RADEON_RESET_GRBM) 1601 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1); 1602 1603 if (!(rdev->flags & RADEON_IS_IGP)) { 1604 if (reset_mask & RADEON_RESET_MC) 1605 srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1); 1606 } 1607 1608 if (reset_mask & RADEON_RESET_VMC) 1609 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1); 1610 1611 if (grbm_soft_reset) { 1612 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1613 tmp |= grbm_soft_reset; 1614 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp); 1615 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1616 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1617 1618 udelay(50); 1619 1620 tmp &= ~grbm_soft_reset; 1621 WREG32(R_008020_GRBM_SOFT_RESET, tmp); 1622 tmp = RREG32(R_008020_GRBM_SOFT_RESET); 1623 } 1624 1625 if (srbm_soft_reset) { 1626 tmp = RREG32(SRBM_SOFT_RESET); 1627 tmp |= srbm_soft_reset; 1628 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 1629 WREG32(SRBM_SOFT_RESET, tmp); 1630 tmp = RREG32(SRBM_SOFT_RESET); 1631 1632 udelay(50); 1633 1634 tmp &= ~srbm_soft_reset; 1635 WREG32(SRBM_SOFT_RESET, tmp); 1636 tmp = RREG32(SRBM_SOFT_RESET); 1637 } 1638 1639 /* Wait a little for things to settle down */ 1640 mdelay(1); 1641 1642 rv515_mc_resume(rdev, &save); 1643 udelay(50); 1644 1645 r600_print_gpu_status_regs(rdev); 1646 } 1647 1648 static void r600_gpu_pci_config_reset(struct radeon_device *rdev) 1649 { 1650 struct rv515_mc_save save; 1651 u32 tmp, i; 1652 1653 dev_info(rdev->dev, "GPU pci config reset\n"); 1654 1655 /* disable dpm? */ 1656 1657 /* Disable CP parsing/prefetching */ 1658 if (rdev->family >= CHIP_RV770) 1659 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1)); 1660 else 1661 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 1662 1663 /* disable the RLC */ 1664 WREG32(RLC_CNTL, 0); 1665 1666 /* Disable DMA */ 1667 tmp = RREG32(DMA_RB_CNTL); 1668 tmp &= ~DMA_RB_ENABLE; 1669 WREG32(DMA_RB_CNTL, tmp); 1670 1671 mdelay(50); 1672 1673 /* set mclk/sclk to bypass */ 1674 if (rdev->family >= CHIP_RV770) 1675 rv770_set_clk_bypass_mode(rdev); 1676 /* disable BM */ 1677 pci_clear_master(rdev->pdev); 1678 /* disable mem access */ 1679 rv515_mc_stop(rdev, &save); 1680 if (r600_mc_wait_for_idle(rdev)) { 1681 dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); 1682 } 1683 1684 /* BIF reset workaround. Not sure if this is needed on 6xx */ 1685 tmp = RREG32(BUS_CNTL); 1686 tmp |= VGA_COHE_SPEC_TIMER_DIS; 1687 WREG32(BUS_CNTL, tmp); 1688 1689 tmp = RREG32(BIF_SCRATCH0); 1690 1691 /* reset */ 1692 radeon_pci_config_reset(rdev); 1693 mdelay(1); 1694 1695 /* BIF reset workaround. Not sure if this is needed on 6xx */ 1696 tmp = SOFT_RESET_BIF; 1697 WREG32(SRBM_SOFT_RESET, tmp); 1698 mdelay(1); 1699 WREG32(SRBM_SOFT_RESET, 0); 1700 1701 /* wait for asic to come out of reset */ 1702 for (i = 0; i < rdev->usec_timeout; i++) { 1703 if (RREG32(CONFIG_MEMSIZE) != 0xffffffff) 1704 break; 1705 udelay(1); 1706 } 1707 } 1708 1709 int r600_asic_reset(struct radeon_device *rdev) 1710 { 1711 u32 reset_mask; 1712 1713 reset_mask = r600_gpu_check_soft_reset(rdev); 1714 1715 if (reset_mask) 1716 r600_set_bios_scratch_engine_hung(rdev, true); 1717 1718 /* try soft reset */ 1719 r600_gpu_soft_reset(rdev, reset_mask); 1720 1721 reset_mask = r600_gpu_check_soft_reset(rdev); 1722 1723 /* try pci config reset */ 1724 if (reset_mask && radeon_hard_reset) 1725 r600_gpu_pci_config_reset(rdev); 1726 1727 reset_mask = r600_gpu_check_soft_reset(rdev); 1728 1729 if (!reset_mask) 1730 r600_set_bios_scratch_engine_hung(rdev, false); 1731 1732 return 0; 1733 } 1734 1735 /** 1736 * r600_gfx_is_lockup - Check if the GFX engine is locked up 1737 * 1738 * @rdev: radeon_device pointer 1739 * @ring: radeon_ring structure holding ring information 1740 * 1741 * Check if the GFX engine is locked up. 1742 * Returns true if the engine appears to be locked up, false if not. 1743 */ 1744 bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring) 1745 { 1746 u32 reset_mask = r600_gpu_check_soft_reset(rdev); 1747 1748 if (!(reset_mask & (RADEON_RESET_GFX | 1749 RADEON_RESET_COMPUTE | 1750 RADEON_RESET_CP))) { 1751 radeon_ring_lockup_update(rdev, ring); 1752 return false; 1753 } 1754 /* force CP activities */ 1755 radeon_ring_force_activity(rdev, ring); 1756 return radeon_ring_test_lockup(rdev, ring); 1757 } 1758 1759 u32 r6xx_remap_render_backend(struct radeon_device *rdev, 1760 u32 tiling_pipe_num, 1761 u32 max_rb_num, 1762 u32 total_max_rb_num, 1763 u32 disabled_rb_mask) 1764 { 1765 u32 rendering_pipe_num, rb_num_width, req_rb_num; 1766 u32 pipe_rb_ratio, pipe_rb_remain, tmp; 1767 u32 data = 0, mask = 1 << (max_rb_num - 1); 1768 unsigned i, j; 1769 1770 /* mask out the RBs that don't exist on that asic */ 1771 tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff); 1772 /* make sure at least one RB is available */ 1773 if ((tmp & 0xff) != 0xff) 1774 disabled_rb_mask = tmp; 1775 1776 rendering_pipe_num = 1 << tiling_pipe_num; 1777 req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask); 1778 BUG_ON(rendering_pipe_num < req_rb_num); 1779 1780 pipe_rb_ratio = rendering_pipe_num / req_rb_num; 1781 pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num; 1782 1783 if (rdev->family <= CHIP_RV740) { 1784 /* r6xx/r7xx */ 1785 rb_num_width = 2; 1786 } else { 1787 /* eg+ */ 1788 rb_num_width = 4; 1789 } 1790 1791 for (i = 0; i < max_rb_num; i++) { 1792 if (!(mask & disabled_rb_mask)) { 1793 for (j = 0; j < pipe_rb_ratio; j++) { 1794 data <<= rb_num_width; 1795 data |= max_rb_num - i - 1; 1796 } 1797 if (pipe_rb_remain) { 1798 data <<= rb_num_width; 1799 data |= max_rb_num - i - 1; 1800 pipe_rb_remain--; 1801 } 1802 } 1803 mask >>= 1; 1804 } 1805 1806 return data; 1807 } 1808 1809 int r600_count_pipe_bits(uint32_t val) 1810 { 1811 return hweight32(val); 1812 } 1813 1814 static void r600_gpu_init(struct radeon_device *rdev) 1815 { 1816 u32 tiling_config; 1817 u32 ramcfg; 1818 u32 cc_rb_backend_disable; 1819 u32 cc_gc_shader_pipe_config; 1820 u32 tmp; 1821 int i, j; 1822 u32 sq_config; 1823 u32 sq_gpr_resource_mgmt_1 = 0; 1824 u32 sq_gpr_resource_mgmt_2 = 0; 1825 u32 sq_thread_resource_mgmt = 0; 1826 u32 sq_stack_resource_mgmt_1 = 0; 1827 u32 sq_stack_resource_mgmt_2 = 0; 1828 u32 disabled_rb_mask; 1829 1830 rdev->config.r600.tiling_group_size = 256; 1831 switch (rdev->family) { 1832 case CHIP_R600: 1833 rdev->config.r600.max_pipes = 4; 1834 rdev->config.r600.max_tile_pipes = 8; 1835 rdev->config.r600.max_simds = 4; 1836 rdev->config.r600.max_backends = 4; 1837 rdev->config.r600.max_gprs = 256; 1838 rdev->config.r600.max_threads = 192; 1839 rdev->config.r600.max_stack_entries = 256; 1840 rdev->config.r600.max_hw_contexts = 8; 1841 rdev->config.r600.max_gs_threads = 16; 1842 rdev->config.r600.sx_max_export_size = 128; 1843 rdev->config.r600.sx_max_export_pos_size = 16; 1844 rdev->config.r600.sx_max_export_smx_size = 128; 1845 rdev->config.r600.sq_num_cf_insts = 2; 1846 break; 1847 case CHIP_RV630: 1848 case CHIP_RV635: 1849 rdev->config.r600.max_pipes = 2; 1850 rdev->config.r600.max_tile_pipes = 2; 1851 rdev->config.r600.max_simds = 3; 1852 rdev->config.r600.max_backends = 1; 1853 rdev->config.r600.max_gprs = 128; 1854 rdev->config.r600.max_threads = 192; 1855 rdev->config.r600.max_stack_entries = 128; 1856 rdev->config.r600.max_hw_contexts = 8; 1857 rdev->config.r600.max_gs_threads = 4; 1858 rdev->config.r600.sx_max_export_size = 128; 1859 rdev->config.r600.sx_max_export_pos_size = 16; 1860 rdev->config.r600.sx_max_export_smx_size = 128; 1861 rdev->config.r600.sq_num_cf_insts = 2; 1862 break; 1863 case CHIP_RV610: 1864 case CHIP_RV620: 1865 case CHIP_RS780: 1866 case CHIP_RS880: 1867 rdev->config.r600.max_pipes = 1; 1868 rdev->config.r600.max_tile_pipes = 1; 1869 rdev->config.r600.max_simds = 2; 1870 rdev->config.r600.max_backends = 1; 1871 rdev->config.r600.max_gprs = 128; 1872 rdev->config.r600.max_threads = 192; 1873 rdev->config.r600.max_stack_entries = 128; 1874 rdev->config.r600.max_hw_contexts = 4; 1875 rdev->config.r600.max_gs_threads = 4; 1876 rdev->config.r600.sx_max_export_size = 128; 1877 rdev->config.r600.sx_max_export_pos_size = 16; 1878 rdev->config.r600.sx_max_export_smx_size = 128; 1879 rdev->config.r600.sq_num_cf_insts = 1; 1880 break; 1881 case CHIP_RV670: 1882 rdev->config.r600.max_pipes = 4; 1883 rdev->config.r600.max_tile_pipes = 4; 1884 rdev->config.r600.max_simds = 4; 1885 rdev->config.r600.max_backends = 4; 1886 rdev->config.r600.max_gprs = 192; 1887 rdev->config.r600.max_threads = 192; 1888 rdev->config.r600.max_stack_entries = 256; 1889 rdev->config.r600.max_hw_contexts = 8; 1890 rdev->config.r600.max_gs_threads = 16; 1891 rdev->config.r600.sx_max_export_size = 128; 1892 rdev->config.r600.sx_max_export_pos_size = 16; 1893 rdev->config.r600.sx_max_export_smx_size = 128; 1894 rdev->config.r600.sq_num_cf_insts = 2; 1895 break; 1896 default: 1897 break; 1898 } 1899 1900 /* Initialize HDP */ 1901 for (i = 0, j = 0; i < 32; i++, j += 0x18) { 1902 WREG32((0x2c14 + j), 0x00000000); 1903 WREG32((0x2c18 + j), 0x00000000); 1904 WREG32((0x2c1c + j), 0x00000000); 1905 WREG32((0x2c20 + j), 0x00000000); 1906 WREG32((0x2c24 + j), 0x00000000); 1907 } 1908 1909 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); 1910 1911 /* Setup tiling */ 1912 tiling_config = 0; 1913 ramcfg = RREG32(RAMCFG); 1914 switch (rdev->config.r600.max_tile_pipes) { 1915 case 1: 1916 tiling_config |= PIPE_TILING(0); 1917 break; 1918 case 2: 1919 tiling_config |= PIPE_TILING(1); 1920 break; 1921 case 4: 1922 tiling_config |= PIPE_TILING(2); 1923 break; 1924 case 8: 1925 tiling_config |= PIPE_TILING(3); 1926 break; 1927 default: 1928 break; 1929 } 1930 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes; 1931 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1932 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); 1933 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); 1934 1935 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT; 1936 if (tmp > 3) { 1937 tiling_config |= ROW_TILING(3); 1938 tiling_config |= SAMPLE_SPLIT(3); 1939 } else { 1940 tiling_config |= ROW_TILING(tmp); 1941 tiling_config |= SAMPLE_SPLIT(tmp); 1942 } 1943 tiling_config |= BANK_SWAPS(1); 1944 1945 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000; 1946 tmp = R6XX_MAX_BACKENDS - 1947 r600_count_pipe_bits((cc_rb_backend_disable >> 16) & R6XX_MAX_BACKENDS_MASK); 1948 if (tmp < rdev->config.r600.max_backends) { 1949 rdev->config.r600.max_backends = tmp; 1950 } 1951 1952 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00; 1953 tmp = R6XX_MAX_PIPES - 1954 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R6XX_MAX_PIPES_MASK); 1955 if (tmp < rdev->config.r600.max_pipes) { 1956 rdev->config.r600.max_pipes = tmp; 1957 } 1958 tmp = R6XX_MAX_SIMDS - 1959 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK); 1960 if (tmp < rdev->config.r600.max_simds) { 1961 rdev->config.r600.max_simds = tmp; 1962 } 1963 1964 disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK; 1965 tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT; 1966 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends, 1967 R6XX_MAX_BACKENDS, disabled_rb_mask); 1968 tiling_config |= tmp << 16; 1969 rdev->config.r600.backend_map = tmp; 1970 1971 rdev->config.r600.tile_config = tiling_config; 1972 WREG32(GB_TILING_CONFIG, tiling_config); 1973 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff); 1974 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff); 1975 WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff); 1976 1977 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8); 1978 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK); 1979 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK); 1980 1981 /* Setup some CP states */ 1982 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b))); 1983 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40))); 1984 1985 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT | 1986 SYNC_WALKER | SYNC_ALIGNER)); 1987 /* Setup various GPU states */ 1988 if (rdev->family == CHIP_RV670) 1989 WREG32(ARB_GDEC_RD_CNTL, 0x00000021); 1990 1991 tmp = RREG32(SX_DEBUG_1); 1992 tmp |= SMX_EVENT_RELEASE; 1993 if ((rdev->family > CHIP_R600)) 1994 tmp |= ENABLE_NEW_SMX_ADDRESS; 1995 WREG32(SX_DEBUG_1, tmp); 1996 1997 if (((rdev->family) == CHIP_R600) || 1998 ((rdev->family) == CHIP_RV630) || 1999 ((rdev->family) == CHIP_RV610) || 2000 ((rdev->family) == CHIP_RV620) || 2001 ((rdev->family) == CHIP_RS780) || 2002 ((rdev->family) == CHIP_RS880)) { 2003 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE); 2004 } else { 2005 WREG32(DB_DEBUG, 0); 2006 } 2007 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) | 2008 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4))); 2009 2010 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 2011 WREG32(VGT_NUM_INSTANCES, 0); 2012 2013 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0)); 2014 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0)); 2015 2016 tmp = RREG32(SQ_MS_FIFO_SIZES); 2017 if (((rdev->family) == CHIP_RV610) || 2018 ((rdev->family) == CHIP_RV620) || 2019 ((rdev->family) == CHIP_RS780) || 2020 ((rdev->family) == CHIP_RS880)) { 2021 tmp = (CACHE_FIFO_SIZE(0xa) | 2022 FETCH_FIFO_HIWATER(0xa) | 2023 DONE_FIFO_HIWATER(0xe0) | 2024 ALU_UPDATE_FIFO_HIWATER(0x8)); 2025 } else if (((rdev->family) == CHIP_R600) || 2026 ((rdev->family) == CHIP_RV630)) { 2027 tmp &= ~DONE_FIFO_HIWATER(0xff); 2028 tmp |= DONE_FIFO_HIWATER(0x4); 2029 } 2030 WREG32(SQ_MS_FIFO_SIZES, tmp); 2031 2032 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT 2033 * should be adjusted as needed by the 2D/3D drivers. This just sets default values 2034 */ 2035 sq_config = RREG32(SQ_CONFIG); 2036 sq_config &= ~(PS_PRIO(3) | 2037 VS_PRIO(3) | 2038 GS_PRIO(3) | 2039 ES_PRIO(3)); 2040 sq_config |= (DX9_CONSTS | 2041 VC_ENABLE | 2042 PS_PRIO(0) | 2043 VS_PRIO(1) | 2044 GS_PRIO(2) | 2045 ES_PRIO(3)); 2046 2047 if ((rdev->family) == CHIP_R600) { 2048 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) | 2049 NUM_VS_GPRS(124) | 2050 NUM_CLAUSE_TEMP_GPRS(4)); 2051 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) | 2052 NUM_ES_GPRS(0)); 2053 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) | 2054 NUM_VS_THREADS(48) | 2055 NUM_GS_THREADS(4) | 2056 NUM_ES_THREADS(4)); 2057 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) | 2058 NUM_VS_STACK_ENTRIES(128)); 2059 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) | 2060 NUM_ES_STACK_ENTRIES(0)); 2061 } else if (((rdev->family) == CHIP_RV610) || 2062 ((rdev->family) == CHIP_RV620) || 2063 ((rdev->family) == CHIP_RS780) || 2064 ((rdev->family) == CHIP_RS880)) { 2065 /* no vertex cache */ 2066 sq_config &= ~VC_ENABLE; 2067 2068 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2069 NUM_VS_GPRS(44) | 2070 NUM_CLAUSE_TEMP_GPRS(2)); 2071 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 2072 NUM_ES_GPRS(17)); 2073 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2074 NUM_VS_THREADS(78) | 2075 NUM_GS_THREADS(4) | 2076 NUM_ES_THREADS(31)); 2077 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 2078 NUM_VS_STACK_ENTRIES(40)); 2079 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 2080 NUM_ES_STACK_ENTRIES(16)); 2081 } else if (((rdev->family) == CHIP_RV630) || 2082 ((rdev->family) == CHIP_RV635)) { 2083 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2084 NUM_VS_GPRS(44) | 2085 NUM_CLAUSE_TEMP_GPRS(2)); 2086 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) | 2087 NUM_ES_GPRS(18)); 2088 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2089 NUM_VS_THREADS(78) | 2090 NUM_GS_THREADS(4) | 2091 NUM_ES_THREADS(31)); 2092 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) | 2093 NUM_VS_STACK_ENTRIES(40)); 2094 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) | 2095 NUM_ES_STACK_ENTRIES(16)); 2096 } else if ((rdev->family) == CHIP_RV670) { 2097 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) | 2098 NUM_VS_GPRS(44) | 2099 NUM_CLAUSE_TEMP_GPRS(2)); 2100 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) | 2101 NUM_ES_GPRS(17)); 2102 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) | 2103 NUM_VS_THREADS(78) | 2104 NUM_GS_THREADS(4) | 2105 NUM_ES_THREADS(31)); 2106 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) | 2107 NUM_VS_STACK_ENTRIES(64)); 2108 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) | 2109 NUM_ES_STACK_ENTRIES(64)); 2110 } 2111 2112 WREG32(SQ_CONFIG, sq_config); 2113 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); 2114 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); 2115 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); 2116 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); 2117 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); 2118 2119 if (((rdev->family) == CHIP_RV610) || 2120 ((rdev->family) == CHIP_RV620) || 2121 ((rdev->family) == CHIP_RS780) || 2122 ((rdev->family) == CHIP_RS880)) { 2123 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY)); 2124 } else { 2125 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC)); 2126 } 2127 2128 /* More default values. 2D/3D driver should adjust as needed */ 2129 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) | 2130 S1_X(0x4) | S1_Y(0xc))); 2131 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) | 2132 S1_X(0x2) | S1_Y(0x2) | 2133 S2_X(0xa) | S2_Y(0x6) | 2134 S3_X(0x6) | S3_Y(0xa))); 2135 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) | 2136 S1_X(0x4) | S1_Y(0xc) | 2137 S2_X(0x1) | S2_Y(0x6) | 2138 S3_X(0xa) | S3_Y(0xe))); 2139 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) | 2140 S5_X(0x0) | S5_Y(0x0) | 2141 S6_X(0xb) | S6_Y(0x4) | 2142 S7_X(0x7) | S7_Y(0x8))); 2143 2144 WREG32(VGT_STRMOUT_EN, 0); 2145 tmp = rdev->config.r600.max_pipes * 16; 2146 switch (rdev->family) { 2147 case CHIP_RV610: 2148 case CHIP_RV620: 2149 case CHIP_RS780: 2150 case CHIP_RS880: 2151 tmp += 32; 2152 break; 2153 case CHIP_RV670: 2154 tmp += 128; 2155 break; 2156 default: 2157 break; 2158 } 2159 if (tmp > 256) { 2160 tmp = 256; 2161 } 2162 WREG32(VGT_ES_PER_GS, 128); 2163 WREG32(VGT_GS_PER_ES, tmp); 2164 WREG32(VGT_GS_PER_VS, 2); 2165 WREG32(VGT_GS_VERTEX_REUSE, 16); 2166 2167 /* more default values. 2D/3D driver should adjust as needed */ 2168 WREG32(PA_SC_LINE_STIPPLE_STATE, 0); 2169 WREG32(VGT_STRMOUT_EN, 0); 2170 WREG32(SX_MISC, 0); 2171 WREG32(PA_SC_MODE_CNTL, 0); 2172 WREG32(PA_SC_AA_CONFIG, 0); 2173 WREG32(PA_SC_LINE_STIPPLE, 0); 2174 WREG32(SPI_INPUT_Z, 0); 2175 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2)); 2176 WREG32(CB_COLOR7_FRAG, 0); 2177 2178 /* Clear render buffer base addresses */ 2179 WREG32(CB_COLOR0_BASE, 0); 2180 WREG32(CB_COLOR1_BASE, 0); 2181 WREG32(CB_COLOR2_BASE, 0); 2182 WREG32(CB_COLOR3_BASE, 0); 2183 WREG32(CB_COLOR4_BASE, 0); 2184 WREG32(CB_COLOR5_BASE, 0); 2185 WREG32(CB_COLOR6_BASE, 0); 2186 WREG32(CB_COLOR7_BASE, 0); 2187 WREG32(CB_COLOR7_FRAG, 0); 2188 2189 switch (rdev->family) { 2190 case CHIP_RV610: 2191 case CHIP_RV620: 2192 case CHIP_RS780: 2193 case CHIP_RS880: 2194 tmp = TC_L2_SIZE(8); 2195 break; 2196 case CHIP_RV630: 2197 case CHIP_RV635: 2198 tmp = TC_L2_SIZE(4); 2199 break; 2200 case CHIP_R600: 2201 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT; 2202 break; 2203 default: 2204 tmp = TC_L2_SIZE(0); 2205 break; 2206 } 2207 WREG32(TC_CNTL, tmp); 2208 2209 tmp = RREG32(HDP_HOST_PATH_CNTL); 2210 WREG32(HDP_HOST_PATH_CNTL, tmp); 2211 2212 tmp = RREG32(ARB_POP); 2213 tmp |= ENABLE_TC128; 2214 WREG32(ARB_POP, tmp); 2215 2216 WREG32(PA_SC_MULTI_CHIP_CNTL, 0); 2217 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA | 2218 NUM_CLIP_SEQ(3))); 2219 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095)); 2220 WREG32(VC_ENHANCE, 0); 2221 } 2222 2223 2224 /* 2225 * Indirect registers accessor 2226 */ 2227 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg) 2228 { 2229 unsigned long flags; 2230 u32 r; 2231 2232 spin_lock_irqsave(&rdev->pciep_idx_lock, flags); 2233 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 2234 (void)RREG32(PCIE_PORT_INDEX); 2235 r = RREG32(PCIE_PORT_DATA); 2236 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags); 2237 return r; 2238 } 2239 2240 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) 2241 { 2242 unsigned long flags; 2243 2244 spin_lock_irqsave(&rdev->pciep_idx_lock, flags); 2245 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff)); 2246 (void)RREG32(PCIE_PORT_INDEX); 2247 WREG32(PCIE_PORT_DATA, (v)); 2248 (void)RREG32(PCIE_PORT_DATA); 2249 spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags); 2250 } 2251 2252 /* 2253 * CP & Ring 2254 */ 2255 void r600_cp_stop(struct radeon_device *rdev) 2256 { 2257 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 2258 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); 2259 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); 2260 WREG32(SCRATCH_UMSK, 0); 2261 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false; 2262 } 2263 2264 int r600_init_microcode(struct radeon_device *rdev) 2265 { 2266 const char *chip_name; 2267 const char *rlc_chip_name; 2268 const char *smc_chip_name = "RV770"; 2269 size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0; 2270 char fw_name[30]; 2271 int err; 2272 2273 DRM_DEBUG("\n"); 2274 2275 switch (rdev->family) { 2276 case CHIP_R600: 2277 chip_name = "R600"; 2278 rlc_chip_name = "R600"; 2279 break; 2280 case CHIP_RV610: 2281 chip_name = "RV610"; 2282 rlc_chip_name = "R600"; 2283 break; 2284 case CHIP_RV630: 2285 chip_name = "RV630"; 2286 rlc_chip_name = "R600"; 2287 break; 2288 case CHIP_RV620: 2289 chip_name = "RV620"; 2290 rlc_chip_name = "R600"; 2291 break; 2292 case CHIP_RV635: 2293 chip_name = "RV635"; 2294 rlc_chip_name = "R600"; 2295 break; 2296 case CHIP_RV670: 2297 chip_name = "RV670"; 2298 rlc_chip_name = "R600"; 2299 break; 2300 case CHIP_RS780: 2301 case CHIP_RS880: 2302 chip_name = "RS780"; 2303 rlc_chip_name = "R600"; 2304 break; 2305 case CHIP_RV770: 2306 chip_name = "RV770"; 2307 rlc_chip_name = "R700"; 2308 smc_chip_name = "RV770"; 2309 smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4); 2310 break; 2311 case CHIP_RV730: 2312 chip_name = "RV730"; 2313 rlc_chip_name = "R700"; 2314 smc_chip_name = "RV730"; 2315 smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4); 2316 break; 2317 case CHIP_RV710: 2318 chip_name = "RV710"; 2319 rlc_chip_name = "R700"; 2320 smc_chip_name = "RV710"; 2321 smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4); 2322 break; 2323 case CHIP_RV740: 2324 chip_name = "RV730"; 2325 rlc_chip_name = "R700"; 2326 smc_chip_name = "RV740"; 2327 smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4); 2328 break; 2329 case CHIP_CEDAR: 2330 chip_name = "CEDAR"; 2331 rlc_chip_name = "CEDAR"; 2332 smc_chip_name = "CEDAR"; 2333 smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4); 2334 break; 2335 case CHIP_REDWOOD: 2336 chip_name = "REDWOOD"; 2337 rlc_chip_name = "REDWOOD"; 2338 smc_chip_name = "REDWOOD"; 2339 smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4); 2340 break; 2341 case CHIP_JUNIPER: 2342 chip_name = "JUNIPER"; 2343 rlc_chip_name = "JUNIPER"; 2344 smc_chip_name = "JUNIPER"; 2345 smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4); 2346 break; 2347 case CHIP_CYPRESS: 2348 case CHIP_HEMLOCK: 2349 chip_name = "CYPRESS"; 2350 rlc_chip_name = "CYPRESS"; 2351 smc_chip_name = "CYPRESS"; 2352 smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4); 2353 break; 2354 case CHIP_PALM: 2355 chip_name = "PALM"; 2356 rlc_chip_name = "SUMO"; 2357 break; 2358 case CHIP_SUMO: 2359 chip_name = "SUMO"; 2360 rlc_chip_name = "SUMO"; 2361 break; 2362 case CHIP_SUMO2: 2363 chip_name = "SUMO2"; 2364 rlc_chip_name = "SUMO"; 2365 break; 2366 default: BUG(); 2367 } 2368 2369 if (rdev->family >= CHIP_CEDAR) { 2370 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; 2371 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; 2372 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; 2373 } else if (rdev->family >= CHIP_RV770) { 2374 pfp_req_size = R700_PFP_UCODE_SIZE * 4; 2375 me_req_size = R700_PM4_UCODE_SIZE * 4; 2376 rlc_req_size = R700_RLC_UCODE_SIZE * 4; 2377 } else { 2378 pfp_req_size = R600_PFP_UCODE_SIZE * 4; 2379 me_req_size = R600_PM4_UCODE_SIZE * 12; 2380 rlc_req_size = R600_RLC_UCODE_SIZE * 4; 2381 } 2382 2383 DRM_INFO("Loading %s Microcode\n", chip_name); 2384 2385 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); 2386 err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev); 2387 if (err) 2388 goto out; 2389 if (rdev->pfp_fw->size != pfp_req_size) { 2390 printk(KERN_ERR 2391 "r600_cp: Bogus length %zu in firmware \"%s\"\n", 2392 rdev->pfp_fw->size, fw_name); 2393 err = -EINVAL; 2394 goto out; 2395 } 2396 2397 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); 2398 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); 2399 if (err) 2400 goto out; 2401 if (rdev->me_fw->size != me_req_size) { 2402 printk(KERN_ERR 2403 "r600_cp: Bogus length %zu in firmware \"%s\"\n", 2404 rdev->me_fw->size, fw_name); 2405 err = -EINVAL; 2406 } 2407 2408 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); 2409 err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev); 2410 if (err) 2411 goto out; 2412 if (rdev->rlc_fw->size != rlc_req_size) { 2413 printk(KERN_ERR 2414 "r600_rlc: Bogus length %zu in firmware \"%s\"\n", 2415 rdev->rlc_fw->size, fw_name); 2416 err = -EINVAL; 2417 } 2418 2419 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) { 2420 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name); 2421 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev); 2422 if (err) { 2423 printk(KERN_ERR 2424 "smc: error loading firmware \"%s\"\n", 2425 fw_name); 2426 release_firmware(rdev->smc_fw); 2427 rdev->smc_fw = NULL; 2428 err = 0; 2429 } else if (rdev->smc_fw->size != smc_req_size) { 2430 printk(KERN_ERR 2431 "smc: Bogus length %zu in firmware \"%s\"\n", 2432 rdev->smc_fw->size, fw_name); 2433 err = -EINVAL; 2434 } 2435 } 2436 2437 out: 2438 if (err) { 2439 if (err != -EINVAL) 2440 printk(KERN_ERR 2441 "r600_cp: Failed to load firmware \"%s\"\n", 2442 fw_name); 2443 release_firmware(rdev->pfp_fw); 2444 rdev->pfp_fw = NULL; 2445 release_firmware(rdev->me_fw); 2446 rdev->me_fw = NULL; 2447 release_firmware(rdev->rlc_fw); 2448 rdev->rlc_fw = NULL; 2449 release_firmware(rdev->smc_fw); 2450 rdev->smc_fw = NULL; 2451 } 2452 return err; 2453 } 2454 2455 u32 r600_gfx_get_rptr(struct radeon_device *rdev, 2456 struct radeon_ring *ring) 2457 { 2458 u32 rptr; 2459 2460 if (rdev->wb.enabled) 2461 rptr = rdev->wb.wb[ring->rptr_offs/4]; 2462 else 2463 rptr = RREG32(R600_CP_RB_RPTR); 2464 2465 return rptr; 2466 } 2467 2468 u32 r600_gfx_get_wptr(struct radeon_device *rdev, 2469 struct radeon_ring *ring) 2470 { 2471 u32 wptr; 2472 2473 wptr = RREG32(R600_CP_RB_WPTR); 2474 2475 return wptr; 2476 } 2477 2478 void r600_gfx_set_wptr(struct radeon_device *rdev, 2479 struct radeon_ring *ring) 2480 { 2481 WREG32(R600_CP_RB_WPTR, ring->wptr); 2482 (void)RREG32(R600_CP_RB_WPTR); 2483 } 2484 2485 static int r600_cp_load_microcode(struct radeon_device *rdev) 2486 { 2487 const __be32 *fw_data; 2488 int i; 2489 2490 if (!rdev->me_fw || !rdev->pfp_fw) 2491 return -EINVAL; 2492 2493 r600_cp_stop(rdev); 2494 2495 WREG32(CP_RB_CNTL, 2496 #ifdef __BIG_ENDIAN 2497 BUF_SWAP_32BIT | 2498 #endif 2499 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3)); 2500 2501 /* Reset cp */ 2502 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2503 RREG32(GRBM_SOFT_RESET); 2504 mdelay(15); 2505 WREG32(GRBM_SOFT_RESET, 0); 2506 2507 WREG32(CP_ME_RAM_WADDR, 0); 2508 2509 fw_data = (const __be32 *)rdev->me_fw->data; 2510 WREG32(CP_ME_RAM_WADDR, 0); 2511 for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++) 2512 WREG32(CP_ME_RAM_DATA, 2513 be32_to_cpup(fw_data++)); 2514 2515 fw_data = (const __be32 *)rdev->pfp_fw->data; 2516 WREG32(CP_PFP_UCODE_ADDR, 0); 2517 for (i = 0; i < R600_PFP_UCODE_SIZE; i++) 2518 WREG32(CP_PFP_UCODE_DATA, 2519 be32_to_cpup(fw_data++)); 2520 2521 WREG32(CP_PFP_UCODE_ADDR, 0); 2522 WREG32(CP_ME_RAM_WADDR, 0); 2523 WREG32(CP_ME_RAM_RADDR, 0); 2524 return 0; 2525 } 2526 2527 int r600_cp_start(struct radeon_device *rdev) 2528 { 2529 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2530 int r; 2531 uint32_t cp_me; 2532 2533 r = radeon_ring_lock(rdev, ring, 7); 2534 if (r) { 2535 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); 2536 return r; 2537 } 2538 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5)); 2539 radeon_ring_write(ring, 0x1); 2540 if (rdev->family >= CHIP_RV770) { 2541 radeon_ring_write(ring, 0x0); 2542 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1); 2543 } else { 2544 radeon_ring_write(ring, 0x3); 2545 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1); 2546 } 2547 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); 2548 radeon_ring_write(ring, 0); 2549 radeon_ring_write(ring, 0); 2550 radeon_ring_unlock_commit(rdev, ring); 2551 2552 cp_me = 0xff; 2553 WREG32(R_0086D8_CP_ME_CNTL, cp_me); 2554 return 0; 2555 } 2556 2557 int r600_cp_resume(struct radeon_device *rdev) 2558 { 2559 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2560 u32 tmp; 2561 u32 rb_bufsz; 2562 int r; 2563 2564 /* Reset cp */ 2565 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP); 2566 RREG32(GRBM_SOFT_RESET); 2567 mdelay(15); 2568 WREG32(GRBM_SOFT_RESET, 0); 2569 2570 /* Set ring buffer size */ 2571 rb_bufsz = order_base_2(ring->ring_size / 8); 2572 tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; 2573 #ifdef __BIG_ENDIAN 2574 tmp |= BUF_SWAP_32BIT; 2575 #endif 2576 WREG32(CP_RB_CNTL, tmp); 2577 WREG32(CP_SEM_WAIT_TIMER, 0x0); 2578 2579 /* Set the write pointer delay */ 2580 WREG32(CP_RB_WPTR_DELAY, 0); 2581 2582 /* Initialize the ring buffer's read and write pointers */ 2583 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); 2584 WREG32(CP_RB_RPTR_WR, 0); 2585 ring->wptr = 0; 2586 WREG32(CP_RB_WPTR, ring->wptr); 2587 2588 /* set the wb address whether it's enabled or not */ 2589 WREG32(CP_RB_RPTR_ADDR, 2590 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC)); 2591 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); 2592 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); 2593 2594 if (rdev->wb.enabled) 2595 WREG32(SCRATCH_UMSK, 0xff); 2596 else { 2597 tmp |= RB_NO_UPDATE; 2598 WREG32(SCRATCH_UMSK, 0); 2599 } 2600 2601 mdelay(1); 2602 WREG32(CP_RB_CNTL, tmp); 2603 2604 WREG32(CP_RB_BASE, ring->gpu_addr >> 8); 2605 WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); 2606 2607 r600_cp_start(rdev); 2608 ring->ready = true; 2609 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring); 2610 if (r) { 2611 ring->ready = false; 2612 return r; 2613 } 2614 2615 if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX) 2616 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); 2617 2618 return 0; 2619 } 2620 2621 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size) 2622 { 2623 u32 rb_bufsz; 2624 int r; 2625 2626 /* Align ring size */ 2627 rb_bufsz = order_base_2(ring_size / 8); 2628 ring_size = (1 << (rb_bufsz + 1)) * 4; 2629 ring->ring_size = ring_size; 2630 ring->align_mask = 16 - 1; 2631 2632 if (radeon_ring_supports_scratch_reg(rdev, ring)) { 2633 r = radeon_scratch_get(rdev, &ring->rptr_save_reg); 2634 if (r) { 2635 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r); 2636 ring->rptr_save_reg = 0; 2637 } 2638 } 2639 } 2640 2641 void r600_cp_fini(struct radeon_device *rdev) 2642 { 2643 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2644 r600_cp_stop(rdev); 2645 radeon_ring_fini(rdev, ring); 2646 radeon_scratch_free(rdev, ring->rptr_save_reg); 2647 } 2648 2649 /* 2650 * GPU scratch registers helpers function. 2651 */ 2652 void r600_scratch_init(struct radeon_device *rdev) 2653 { 2654 int i; 2655 2656 rdev->scratch.num_reg = 7; 2657 rdev->scratch.reg_base = SCRATCH_REG0; 2658 for (i = 0; i < rdev->scratch.num_reg; i++) { 2659 rdev->scratch.free[i] = true; 2660 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4); 2661 } 2662 } 2663 2664 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) 2665 { 2666 uint32_t scratch; 2667 uint32_t tmp = 0; 2668 unsigned i; 2669 int r; 2670 2671 r = radeon_scratch_get(rdev, &scratch); 2672 if (r) { 2673 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r); 2674 return r; 2675 } 2676 WREG32(scratch, 0xCAFEDEAD); 2677 r = radeon_ring_lock(rdev, ring, 3); 2678 if (r) { 2679 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r); 2680 radeon_scratch_free(rdev, scratch); 2681 return r; 2682 } 2683 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2684 radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2685 radeon_ring_write(ring, 0xDEADBEEF); 2686 radeon_ring_unlock_commit(rdev, ring); 2687 for (i = 0; i < rdev->usec_timeout; i++) { 2688 tmp = RREG32(scratch); 2689 if (tmp == 0xDEADBEEF) 2690 break; 2691 DRM_UDELAY(1); 2692 } 2693 if (i < rdev->usec_timeout) { 2694 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); 2695 } else { 2696 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n", 2697 ring->idx, scratch, tmp); 2698 r = -EINVAL; 2699 } 2700 radeon_scratch_free(rdev, scratch); 2701 return r; 2702 } 2703 2704 /* 2705 * CP fences/semaphores 2706 */ 2707 2708 void r600_fence_ring_emit(struct radeon_device *rdev, 2709 struct radeon_fence *fence) 2710 { 2711 struct radeon_ring *ring = &rdev->ring[fence->ring]; 2712 u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA | 2713 PACKET3_SH_ACTION_ENA; 2714 2715 if (rdev->family >= CHIP_RV770) 2716 cp_coher_cntl |= PACKET3_FULL_CACHE_ENA; 2717 2718 if (rdev->wb.use_event) { 2719 u64 addr = rdev->fence_drv[fence->ring].gpu_addr; 2720 /* flush read cache over gart */ 2721 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2722 radeon_ring_write(ring, cp_coher_cntl); 2723 radeon_ring_write(ring, 0xFFFFFFFF); 2724 radeon_ring_write(ring, 0); 2725 radeon_ring_write(ring, 10); /* poll interval */ 2726 /* EVENT_WRITE_EOP - flush caches, send int */ 2727 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4)); 2728 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5)); 2729 radeon_ring_write(ring, addr & 0xffffffff); 2730 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2)); 2731 radeon_ring_write(ring, fence->seq); 2732 radeon_ring_write(ring, 0); 2733 } else { 2734 /* flush read cache over gart */ 2735 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); 2736 radeon_ring_write(ring, cp_coher_cntl); 2737 radeon_ring_write(ring, 0xFFFFFFFF); 2738 radeon_ring_write(ring, 0); 2739 radeon_ring_write(ring, 10); /* poll interval */ 2740 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0)); 2741 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0)); 2742 /* wait for 3D idle clean */ 2743 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2744 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2745 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit); 2746 /* Emit fence sequence & fire IRQ */ 2747 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2748 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 2749 radeon_ring_write(ring, fence->seq); 2750 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */ 2751 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0)); 2752 radeon_ring_write(ring, RB_INT_STAT); 2753 } 2754 } 2755 2756 bool r600_semaphore_ring_emit(struct radeon_device *rdev, 2757 struct radeon_ring *ring, 2758 struct radeon_semaphore *semaphore, 2759 bool emit_wait) 2760 { 2761 uint64_t addr = semaphore->gpu_addr; 2762 unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL; 2763 2764 if (rdev->family < CHIP_CAYMAN) 2765 sel |= PACKET3_SEM_WAIT_ON_SIGNAL; 2766 2767 radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1)); 2768 radeon_ring_write(ring, addr & 0xffffffff); 2769 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel); 2770 2771 return true; 2772 } 2773 2774 /** 2775 * r600_copy_cpdma - copy pages using the CP DMA engine 2776 * 2777 * @rdev: radeon_device pointer 2778 * @src_offset: src GPU address 2779 * @dst_offset: dst GPU address 2780 * @num_gpu_pages: number of GPU pages to xfer 2781 * @fence: radeon fence object 2782 * 2783 * Copy GPU paging using the CP DMA engine (r6xx+). 2784 * Used by the radeon ttm implementation to move pages if 2785 * registered as the asic copy callback. 2786 */ 2787 int r600_copy_cpdma(struct radeon_device *rdev, 2788 uint64_t src_offset, uint64_t dst_offset, 2789 unsigned num_gpu_pages, 2790 struct radeon_fence **fence) 2791 { 2792 struct radeon_semaphore *sem = NULL; 2793 int ring_index = rdev->asic->copy.blit_ring_index; 2794 struct radeon_ring *ring = &rdev->ring[ring_index]; 2795 u32 size_in_bytes, cur_size_in_bytes, tmp; 2796 int i, num_loops; 2797 int r = 0; 2798 2799 r = radeon_semaphore_create(rdev, &sem); 2800 if (r) { 2801 DRM_ERROR("radeon: moving bo (%d).\n", r); 2802 return r; 2803 } 2804 2805 size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT); 2806 num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff); 2807 r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24); 2808 if (r) { 2809 DRM_ERROR("radeon: moving bo (%d).\n", r); 2810 radeon_semaphore_free(rdev, &sem, NULL); 2811 return r; 2812 } 2813 2814 radeon_semaphore_sync_to(sem, *fence); 2815 radeon_semaphore_sync_rings(rdev, sem, ring->idx); 2816 2817 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2818 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2819 radeon_ring_write(ring, WAIT_3D_IDLE_bit); 2820 for (i = 0; i < num_loops; i++) { 2821 cur_size_in_bytes = size_in_bytes; 2822 if (cur_size_in_bytes > 0x1fffff) 2823 cur_size_in_bytes = 0x1fffff; 2824 size_in_bytes -= cur_size_in_bytes; 2825 tmp = upper_32_bits(src_offset) & 0xff; 2826 if (size_in_bytes == 0) 2827 tmp |= PACKET3_CP_DMA_CP_SYNC; 2828 radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4)); 2829 radeon_ring_write(ring, src_offset & 0xffffffff); 2830 radeon_ring_write(ring, tmp); 2831 radeon_ring_write(ring, dst_offset & 0xffffffff); 2832 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff); 2833 radeon_ring_write(ring, cur_size_in_bytes); 2834 src_offset += cur_size_in_bytes; 2835 dst_offset += cur_size_in_bytes; 2836 } 2837 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 2838 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 2839 radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit); 2840 2841 r = radeon_fence_emit(rdev, fence, ring->idx); 2842 if (r) { 2843 radeon_ring_unlock_undo(rdev, ring); 2844 return r; 2845 } 2846 2847 radeon_ring_unlock_commit(rdev, ring); 2848 radeon_semaphore_free(rdev, &sem, *fence); 2849 2850 return r; 2851 } 2852 2853 int r600_set_surface_reg(struct radeon_device *rdev, int reg, 2854 uint32_t tiling_flags, uint32_t pitch, 2855 uint32_t offset, uint32_t obj_size) 2856 { 2857 /* FIXME: implement */ 2858 return 0; 2859 } 2860 2861 void r600_clear_surface_reg(struct radeon_device *rdev, int reg) 2862 { 2863 /* FIXME: implement */ 2864 } 2865 2866 static int r600_startup(struct radeon_device *rdev) 2867 { 2868 struct radeon_ring *ring; 2869 int r; 2870 2871 /* enable pcie gen2 link */ 2872 r600_pcie_gen2_enable(rdev); 2873 2874 /* scratch needs to be initialized before MC */ 2875 r = r600_vram_scratch_init(rdev); 2876 if (r) 2877 return r; 2878 2879 r600_mc_program(rdev); 2880 2881 if (rdev->flags & RADEON_IS_AGP) { 2882 r600_agp_enable(rdev); 2883 } else { 2884 r = r600_pcie_gart_enable(rdev); 2885 if (r) 2886 return r; 2887 } 2888 r600_gpu_init(rdev); 2889 2890 /* allocate wb buffer */ 2891 r = radeon_wb_init(rdev); 2892 if (r) 2893 return r; 2894 2895 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 2896 if (r) { 2897 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 2898 return r; 2899 } 2900 2901 /* Enable IRQ */ 2902 if (!rdev->irq.installed) { 2903 r = radeon_irq_kms_init(rdev); 2904 if (r) 2905 return r; 2906 } 2907 2908 r = r600_irq_init(rdev); 2909 if (r) { 2910 DRM_ERROR("radeon: IH init failed (%d).\n", r); 2911 radeon_irq_kms_fini(rdev); 2912 return r; 2913 } 2914 r600_irq_set(rdev); 2915 2916 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; 2917 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, 2918 RADEON_CP_PACKET2); 2919 if (r) 2920 return r; 2921 2922 r = r600_cp_load_microcode(rdev); 2923 if (r) 2924 return r; 2925 r = r600_cp_resume(rdev); 2926 if (r) 2927 return r; 2928 2929 r = radeon_ib_pool_init(rdev); 2930 if (r) { 2931 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 2932 return r; 2933 } 2934 2935 r = r600_audio_init(rdev); 2936 if (r) { 2937 DRM_ERROR("radeon: audio init failed\n"); 2938 return r; 2939 } 2940 2941 return 0; 2942 } 2943 2944 void r600_vga_set_state(struct radeon_device *rdev, bool state) 2945 { 2946 uint32_t temp; 2947 2948 temp = RREG32(CONFIG_CNTL); 2949 if (state == false) { 2950 temp &= ~(1<<0); 2951 temp |= (1<<1); 2952 } else { 2953 temp &= ~(1<<1); 2954 } 2955 WREG32(CONFIG_CNTL, temp); 2956 } 2957 2958 int r600_resume(struct radeon_device *rdev) 2959 { 2960 int r; 2961 2962 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw, 2963 * posting will perform necessary task to bring back GPU into good 2964 * shape. 2965 */ 2966 /* post card */ 2967 atom_asic_init(rdev->mode_info.atom_context); 2968 2969 radeon_pm_resume(rdev); 2970 2971 rdev->accel_working = true; 2972 r = r600_startup(rdev); 2973 if (r) { 2974 DRM_ERROR("r600 startup failed on resume\n"); 2975 rdev->accel_working = false; 2976 return r; 2977 } 2978 2979 return r; 2980 } 2981 2982 int r600_suspend(struct radeon_device *rdev) 2983 { 2984 radeon_pm_suspend(rdev); 2985 r600_audio_fini(rdev); 2986 r600_cp_stop(rdev); 2987 r600_irq_suspend(rdev); 2988 radeon_wb_disable(rdev); 2989 r600_pcie_gart_disable(rdev); 2990 2991 return 0; 2992 } 2993 2994 /* Plan is to move initialization in that function and use 2995 * helper function so that radeon_device_init pretty much 2996 * do nothing more than calling asic specific function. This 2997 * should also allow to remove a bunch of callback function 2998 * like vram_info. 2999 */ 3000 int r600_init(struct radeon_device *rdev) 3001 { 3002 int r; 3003 3004 if (r600_debugfs_mc_info_init(rdev)) { 3005 DRM_ERROR("Failed to register debugfs file for mc !\n"); 3006 } 3007 /* Read BIOS */ 3008 if (!radeon_get_bios(rdev)) { 3009 if (ASIC_IS_AVIVO(rdev)) 3010 return -EINVAL; 3011 } 3012 /* Must be an ATOMBIOS */ 3013 if (!rdev->is_atom_bios) { 3014 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n"); 3015 return -EINVAL; 3016 } 3017 r = radeon_atombios_init(rdev); 3018 if (r) 3019 return r; 3020 /* Post card if necessary */ 3021 if (!radeon_card_posted(rdev)) { 3022 if (!rdev->bios) { 3023 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); 3024 return -EINVAL; 3025 } 3026 DRM_INFO("GPU not posted. posting now...\n"); 3027 atom_asic_init(rdev->mode_info.atom_context); 3028 } 3029 /* Initialize scratch registers */ 3030 r600_scratch_init(rdev); 3031 /* Initialize surface registers */ 3032 radeon_surface_init(rdev); 3033 /* Initialize clocks */ 3034 radeon_get_clock_info(rdev->ddev); 3035 /* Fence driver */ 3036 r = radeon_fence_driver_init(rdev); 3037 if (r) 3038 return r; 3039 if (rdev->flags & RADEON_IS_AGP) { 3040 r = radeon_agp_init(rdev); 3041 if (r) 3042 radeon_agp_disable(rdev); 3043 } 3044 r = r600_mc_init(rdev); 3045 if (r) 3046 return r; 3047 /* Memory manager */ 3048 r = radeon_bo_init(rdev); 3049 if (r) 3050 return r; 3051 3052 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { 3053 r = r600_init_microcode(rdev); 3054 if (r) { 3055 DRM_ERROR("Failed to load firmware!\n"); 3056 return r; 3057 } 3058 } 3059 3060 /* Initialize power management */ 3061 radeon_pm_init(rdev); 3062 3063 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL; 3064 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024); 3065 3066 rdev->ih.ring_obj = NULL; 3067 r600_ih_ring_init(rdev, 64 * 1024); 3068 3069 r = r600_pcie_gart_init(rdev); 3070 if (r) 3071 return r; 3072 3073 rdev->accel_working = true; 3074 r = r600_startup(rdev); 3075 if (r) { 3076 dev_err(rdev->dev, "disabling GPU acceleration\n"); 3077 r600_cp_fini(rdev); 3078 r600_irq_fini(rdev); 3079 radeon_wb_fini(rdev); 3080 radeon_ib_pool_fini(rdev); 3081 radeon_irq_kms_fini(rdev); 3082 r600_pcie_gart_fini(rdev); 3083 rdev->accel_working = false; 3084 } 3085 3086 return 0; 3087 } 3088 3089 void r600_fini(struct radeon_device *rdev) 3090 { 3091 radeon_pm_fini(rdev); 3092 r600_audio_fini(rdev); 3093 r600_cp_fini(rdev); 3094 r600_irq_fini(rdev); 3095 radeon_wb_fini(rdev); 3096 radeon_ib_pool_fini(rdev); 3097 radeon_irq_kms_fini(rdev); 3098 r600_pcie_gart_fini(rdev); 3099 r600_vram_scratch_fini(rdev); 3100 radeon_agp_fini(rdev); 3101 radeon_gem_fini(rdev); 3102 radeon_fence_driver_fini(rdev); 3103 radeon_bo_fini(rdev); 3104 radeon_atombios_fini(rdev); 3105 kfree(rdev->bios); 3106 rdev->bios = NULL; 3107 } 3108 3109 3110 /* 3111 * CS stuff 3112 */ 3113 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) 3114 { 3115 struct radeon_ring *ring = &rdev->ring[ib->ring]; 3116 u32 next_rptr; 3117 3118 if (ring->rptr_save_reg) { 3119 next_rptr = ring->wptr + 3 + 4; 3120 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1)); 3121 radeon_ring_write(ring, ((ring->rptr_save_reg - 3122 PACKET3_SET_CONFIG_REG_OFFSET) >> 2)); 3123 radeon_ring_write(ring, next_rptr); 3124 } else if (rdev->wb.enabled) { 3125 next_rptr = ring->wptr + 5 + 4; 3126 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3)); 3127 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); 3128 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18)); 3129 radeon_ring_write(ring, next_rptr); 3130 radeon_ring_write(ring, 0); 3131 } 3132 3133 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); 3134 radeon_ring_write(ring, 3135 #ifdef __BIG_ENDIAN 3136 (2 << 0) | 3137 #endif 3138 (ib->gpu_addr & 0xFFFFFFFC)); 3139 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF); 3140 radeon_ring_write(ring, ib->length_dw); 3141 } 3142 3143 int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) 3144 { 3145 struct radeon_ib ib; 3146 uint32_t scratch; 3147 uint32_t tmp = 0; 3148 unsigned i; 3149 int r; 3150 3151 r = radeon_scratch_get(rdev, &scratch); 3152 if (r) { 3153 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r); 3154 return r; 3155 } 3156 WREG32(scratch, 0xCAFEDEAD); 3157 r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); 3158 if (r) { 3159 DRM_ERROR("radeon: failed to get ib (%d).\n", r); 3160 goto free_scratch; 3161 } 3162 ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1); 3163 ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); 3164 ib.ptr[2] = 0xDEADBEEF; 3165 ib.length_dw = 3; 3166 r = radeon_ib_schedule(rdev, &ib, NULL); 3167 if (r) { 3168 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); 3169 goto free_ib; 3170 } 3171 r = radeon_fence_wait(ib.fence, false); 3172 if (r) { 3173 DRM_ERROR("radeon: fence wait failed (%d).\n", r); 3174 goto free_ib; 3175 } 3176 for (i = 0; i < rdev->usec_timeout; i++) { 3177 tmp = RREG32(scratch); 3178 if (tmp == 0xDEADBEEF) 3179 break; 3180 DRM_UDELAY(1); 3181 } 3182 if (i < rdev->usec_timeout) { 3183 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i); 3184 } else { 3185 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n", 3186 scratch, tmp); 3187 r = -EINVAL; 3188 } 3189 free_ib: 3190 radeon_ib_free(rdev, &ib); 3191 free_scratch: 3192 radeon_scratch_free(rdev, scratch); 3193 return r; 3194 } 3195 3196 /* 3197 * Interrupts 3198 * 3199 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty 3200 * the same as the CP ring buffer, but in reverse. Rather than the CPU 3201 * writing to the ring and the GPU consuming, the GPU writes to the ring 3202 * and host consumes. As the host irq handler processes interrupts, it 3203 * increments the rptr. When the rptr catches up with the wptr, all the 3204 * current interrupts have been processed. 3205 */ 3206 3207 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size) 3208 { 3209 u32 rb_bufsz; 3210 3211 /* Align ring size */ 3212 rb_bufsz = order_base_2(ring_size / 4); 3213 ring_size = (1 << rb_bufsz) * 4; 3214 rdev->ih.ring_size = ring_size; 3215 rdev->ih.ptr_mask = rdev->ih.ring_size - 1; 3216 rdev->ih.rptr = 0; 3217 } 3218 3219 int r600_ih_ring_alloc(struct radeon_device *rdev) 3220 { 3221 int r; 3222 3223 /* Allocate ring buffer */ 3224 if (rdev->ih.ring_obj == NULL) { 3225 r = radeon_bo_create(rdev, rdev->ih.ring_size, 3226 PAGE_SIZE, true, 3227 RADEON_GEM_DOMAIN_GTT, 3228 NULL, &rdev->ih.ring_obj); 3229 if (r) { 3230 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r); 3231 return r; 3232 } 3233 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 3234 if (unlikely(r != 0)) 3235 return r; 3236 r = radeon_bo_pin(rdev->ih.ring_obj, 3237 RADEON_GEM_DOMAIN_GTT, 3238 &rdev->ih.gpu_addr); 3239 if (r) { 3240 radeon_bo_unreserve(rdev->ih.ring_obj); 3241 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r); 3242 return r; 3243 } 3244 r = radeon_bo_kmap(rdev->ih.ring_obj, 3245 (void **)&rdev->ih.ring); 3246 radeon_bo_unreserve(rdev->ih.ring_obj); 3247 if (r) { 3248 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r); 3249 return r; 3250 } 3251 } 3252 return 0; 3253 } 3254 3255 void r600_ih_ring_fini(struct radeon_device *rdev) 3256 { 3257 int r; 3258 if (rdev->ih.ring_obj) { 3259 r = radeon_bo_reserve(rdev->ih.ring_obj, false); 3260 if (likely(r == 0)) { 3261 radeon_bo_kunmap(rdev->ih.ring_obj); 3262 radeon_bo_unpin(rdev->ih.ring_obj); 3263 radeon_bo_unreserve(rdev->ih.ring_obj); 3264 } 3265 radeon_bo_unref(&rdev->ih.ring_obj); 3266 rdev->ih.ring = NULL; 3267 rdev->ih.ring_obj = NULL; 3268 } 3269 } 3270 3271 void r600_rlc_stop(struct radeon_device *rdev) 3272 { 3273 3274 if ((rdev->family >= CHIP_RV770) && 3275 (rdev->family <= CHIP_RV740)) { 3276 /* r7xx asics need to soft reset RLC before halting */ 3277 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC); 3278 RREG32(SRBM_SOFT_RESET); 3279 mdelay(15); 3280 WREG32(SRBM_SOFT_RESET, 0); 3281 RREG32(SRBM_SOFT_RESET); 3282 } 3283 3284 WREG32(RLC_CNTL, 0); 3285 } 3286 3287 static void r600_rlc_start(struct radeon_device *rdev) 3288 { 3289 WREG32(RLC_CNTL, RLC_ENABLE); 3290 } 3291 3292 static int r600_rlc_resume(struct radeon_device *rdev) 3293 { 3294 u32 i; 3295 const __be32 *fw_data; 3296 3297 if (!rdev->rlc_fw) 3298 return -EINVAL; 3299 3300 r600_rlc_stop(rdev); 3301 3302 WREG32(RLC_HB_CNTL, 0); 3303 3304 WREG32(RLC_HB_BASE, 0); 3305 WREG32(RLC_HB_RPTR, 0); 3306 WREG32(RLC_HB_WPTR, 0); 3307 WREG32(RLC_HB_WPTR_LSB_ADDR, 0); 3308 WREG32(RLC_HB_WPTR_MSB_ADDR, 0); 3309 WREG32(RLC_MC_CNTL, 0); 3310 WREG32(RLC_UCODE_CNTL, 0); 3311 3312 fw_data = (const __be32 *)rdev->rlc_fw->data; 3313 if (rdev->family >= CHIP_RV770) { 3314 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) { 3315 WREG32(RLC_UCODE_ADDR, i); 3316 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 3317 } 3318 } else { 3319 for (i = 0; i < R600_RLC_UCODE_SIZE; i++) { 3320 WREG32(RLC_UCODE_ADDR, i); 3321 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++)); 3322 } 3323 } 3324 WREG32(RLC_UCODE_ADDR, 0); 3325 3326 r600_rlc_start(rdev); 3327 3328 return 0; 3329 } 3330 3331 static void r600_enable_interrupts(struct radeon_device *rdev) 3332 { 3333 u32 ih_cntl = RREG32(IH_CNTL); 3334 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3335 3336 ih_cntl |= ENABLE_INTR; 3337 ih_rb_cntl |= IH_RB_ENABLE; 3338 WREG32(IH_CNTL, ih_cntl); 3339 WREG32(IH_RB_CNTL, ih_rb_cntl); 3340 rdev->ih.enabled = true; 3341 } 3342 3343 void r600_disable_interrupts(struct radeon_device *rdev) 3344 { 3345 u32 ih_rb_cntl = RREG32(IH_RB_CNTL); 3346 u32 ih_cntl = RREG32(IH_CNTL); 3347 3348 ih_rb_cntl &= ~IH_RB_ENABLE; 3349 ih_cntl &= ~ENABLE_INTR; 3350 WREG32(IH_RB_CNTL, ih_rb_cntl); 3351 WREG32(IH_CNTL, ih_cntl); 3352 /* set rptr, wptr to 0 */ 3353 WREG32(IH_RB_RPTR, 0); 3354 WREG32(IH_RB_WPTR, 0); 3355 rdev->ih.enabled = false; 3356 rdev->ih.rptr = 0; 3357 } 3358 3359 static void r600_disable_interrupt_state(struct radeon_device *rdev) 3360 { 3361 u32 tmp; 3362 3363 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); 3364 tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 3365 WREG32(DMA_CNTL, tmp); 3366 WREG32(GRBM_INT_CNTL, 0); 3367 WREG32(DxMODE_INT_MASK, 0); 3368 WREG32(D1GRPH_INTERRUPT_CONTROL, 0); 3369 WREG32(D2GRPH_INTERRUPT_CONTROL, 0); 3370 if (ASIC_IS_DCE3(rdev)) { 3371 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0); 3372 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0); 3373 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3374 WREG32(DC_HPD1_INT_CONTROL, tmp); 3375 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3376 WREG32(DC_HPD2_INT_CONTROL, tmp); 3377 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3378 WREG32(DC_HPD3_INT_CONTROL, tmp); 3379 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3380 WREG32(DC_HPD4_INT_CONTROL, tmp); 3381 if (ASIC_IS_DCE32(rdev)) { 3382 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3383 WREG32(DC_HPD5_INT_CONTROL, tmp); 3384 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; 3385 WREG32(DC_HPD6_INT_CONTROL, tmp); 3386 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3387 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp); 3388 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3389 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp); 3390 } else { 3391 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3392 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3393 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3394 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp); 3395 } 3396 } else { 3397 WREG32(DACA_AUTODETECT_INT_CONTROL, 0); 3398 WREG32(DACB_AUTODETECT_INT_CONTROL, 0); 3399 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3400 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3401 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3402 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3403 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY; 3404 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3405 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3406 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3407 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3408 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp); 3409 } 3410 } 3411 3412 int r600_irq_init(struct radeon_device *rdev) 3413 { 3414 int ret = 0; 3415 int rb_bufsz; 3416 u32 interrupt_cntl, ih_cntl, ih_rb_cntl; 3417 3418 /* allocate ring */ 3419 ret = r600_ih_ring_alloc(rdev); 3420 if (ret) 3421 return ret; 3422 3423 /* disable irqs */ 3424 r600_disable_interrupts(rdev); 3425 3426 /* init rlc */ 3427 if (rdev->family >= CHIP_CEDAR) 3428 ret = evergreen_rlc_resume(rdev); 3429 else 3430 ret = r600_rlc_resume(rdev); 3431 if (ret) { 3432 r600_ih_ring_fini(rdev); 3433 return ret; 3434 } 3435 3436 /* setup interrupt control */ 3437 /* set dummy read address to ring address */ 3438 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8); 3439 interrupt_cntl = RREG32(INTERRUPT_CNTL); 3440 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi 3441 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN 3442 */ 3443 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE; 3444 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */ 3445 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN; 3446 WREG32(INTERRUPT_CNTL, interrupt_cntl); 3447 3448 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8); 3449 rb_bufsz = order_base_2(rdev->ih.ring_size / 4); 3450 3451 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE | 3452 IH_WPTR_OVERFLOW_CLEAR | 3453 (rb_bufsz << 1)); 3454 3455 if (rdev->wb.enabled) 3456 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE; 3457 3458 /* set the writeback address whether it's enabled or not */ 3459 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC); 3460 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF); 3461 3462 WREG32(IH_RB_CNTL, ih_rb_cntl); 3463 3464 /* set rptr, wptr to 0 */ 3465 WREG32(IH_RB_RPTR, 0); 3466 WREG32(IH_RB_WPTR, 0); 3467 3468 /* Default settings for IH_CNTL (disabled at first) */ 3469 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10); 3470 /* RPTR_REARM only works if msi's are enabled */ 3471 if (rdev->msi_enabled) 3472 ih_cntl |= RPTR_REARM; 3473 WREG32(IH_CNTL, ih_cntl); 3474 3475 /* force the active interrupt state to all disabled */ 3476 if (rdev->family >= CHIP_CEDAR) 3477 evergreen_disable_interrupt_state(rdev); 3478 else 3479 r600_disable_interrupt_state(rdev); 3480 3481 /* at this point everything should be setup correctly to enable master */ 3482 pci_set_master(rdev->pdev); 3483 3484 /* enable irqs */ 3485 r600_enable_interrupts(rdev); 3486 3487 return ret; 3488 } 3489 3490 void r600_irq_suspend(struct radeon_device *rdev) 3491 { 3492 r600_irq_disable(rdev); 3493 r600_rlc_stop(rdev); 3494 } 3495 3496 void r600_irq_fini(struct radeon_device *rdev) 3497 { 3498 r600_irq_suspend(rdev); 3499 r600_ih_ring_fini(rdev); 3500 } 3501 3502 int r600_irq_set(struct radeon_device *rdev) 3503 { 3504 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; 3505 u32 mode_int = 0; 3506 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0; 3507 u32 grbm_int_cntl = 0; 3508 u32 hdmi0, hdmi1; 3509 u32 d1grph = 0, d2grph = 0; 3510 u32 dma_cntl; 3511 u32 thermal_int = 0; 3512 3513 if (!rdev->irq.installed) { 3514 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 3515 return -EINVAL; 3516 } 3517 /* don't enable anything if the ih is disabled */ 3518 if (!rdev->ih.enabled) { 3519 r600_disable_interrupts(rdev); 3520 /* force the active interrupt state to all disabled */ 3521 r600_disable_interrupt_state(rdev); 3522 return 0; 3523 } 3524 3525 if (ASIC_IS_DCE3(rdev)) { 3526 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3527 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3528 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3529 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; 3530 if (ASIC_IS_DCE32(rdev)) { 3531 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; 3532 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; 3533 hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 3534 hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK; 3535 } else { 3536 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3537 hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3538 } 3539 } else { 3540 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN; 3541 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN; 3542 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN; 3543 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3544 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK; 3545 } 3546 3547 dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE; 3548 3549 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { 3550 thermal_int = RREG32(CG_THERMAL_INT) & 3551 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); 3552 } else if (rdev->family >= CHIP_RV770) { 3553 thermal_int = RREG32(RV770_CG_THERMAL_INT) & 3554 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW); 3555 } 3556 if (rdev->irq.dpm_thermal) { 3557 DRM_DEBUG("dpm thermal\n"); 3558 thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW; 3559 } 3560 3561 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 3562 DRM_DEBUG("r600_irq_set: sw int\n"); 3563 cp_int_cntl |= RB_INT_ENABLE; 3564 cp_int_cntl |= TIME_STAMP_INT_ENABLE; 3565 } 3566 3567 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) { 3568 DRM_DEBUG("r600_irq_set: sw int dma\n"); 3569 dma_cntl |= TRAP_ENABLE; 3570 } 3571 3572 if (rdev->irq.crtc_vblank_int[0] || 3573 atomic_read(&rdev->irq.pflip[0])) { 3574 DRM_DEBUG("r600_irq_set: vblank 0\n"); 3575 mode_int |= D1MODE_VBLANK_INT_MASK; 3576 } 3577 if (rdev->irq.crtc_vblank_int[1] || 3578 atomic_read(&rdev->irq.pflip[1])) { 3579 DRM_DEBUG("r600_irq_set: vblank 1\n"); 3580 mode_int |= D2MODE_VBLANK_INT_MASK; 3581 } 3582 if (rdev->irq.hpd[0]) { 3583 DRM_DEBUG("r600_irq_set: hpd 1\n"); 3584 hpd1 |= DC_HPDx_INT_EN; 3585 } 3586 if (rdev->irq.hpd[1]) { 3587 DRM_DEBUG("r600_irq_set: hpd 2\n"); 3588 hpd2 |= DC_HPDx_INT_EN; 3589 } 3590 if (rdev->irq.hpd[2]) { 3591 DRM_DEBUG("r600_irq_set: hpd 3\n"); 3592 hpd3 |= DC_HPDx_INT_EN; 3593 } 3594 if (rdev->irq.hpd[3]) { 3595 DRM_DEBUG("r600_irq_set: hpd 4\n"); 3596 hpd4 |= DC_HPDx_INT_EN; 3597 } 3598 if (rdev->irq.hpd[4]) { 3599 DRM_DEBUG("r600_irq_set: hpd 5\n"); 3600 hpd5 |= DC_HPDx_INT_EN; 3601 } 3602 if (rdev->irq.hpd[5]) { 3603 DRM_DEBUG("r600_irq_set: hpd 6\n"); 3604 hpd6 |= DC_HPDx_INT_EN; 3605 } 3606 if (rdev->irq.afmt[0]) { 3607 DRM_DEBUG("r600_irq_set: hdmi 0\n"); 3608 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK; 3609 } 3610 if (rdev->irq.afmt[1]) { 3611 DRM_DEBUG("r600_irq_set: hdmi 0\n"); 3612 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK; 3613 } 3614 3615 WREG32(CP_INT_CNTL, cp_int_cntl); 3616 WREG32(DMA_CNTL, dma_cntl); 3617 WREG32(DxMODE_INT_MASK, mode_int); 3618 WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph); 3619 WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph); 3620 WREG32(GRBM_INT_CNTL, grbm_int_cntl); 3621 if (ASIC_IS_DCE3(rdev)) { 3622 WREG32(DC_HPD1_INT_CONTROL, hpd1); 3623 WREG32(DC_HPD2_INT_CONTROL, hpd2); 3624 WREG32(DC_HPD3_INT_CONTROL, hpd3); 3625 WREG32(DC_HPD4_INT_CONTROL, hpd4); 3626 if (ASIC_IS_DCE32(rdev)) { 3627 WREG32(DC_HPD5_INT_CONTROL, hpd5); 3628 WREG32(DC_HPD6_INT_CONTROL, hpd6); 3629 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0); 3630 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1); 3631 } else { 3632 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 3633 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1); 3634 } 3635 } else { 3636 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); 3637 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); 3638 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3); 3639 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 3640 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1); 3641 } 3642 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) { 3643 WREG32(CG_THERMAL_INT, thermal_int); 3644 } else if (rdev->family >= CHIP_RV770) { 3645 WREG32(RV770_CG_THERMAL_INT, thermal_int); 3646 } 3647 3648 return 0; 3649 } 3650 3651 static void r600_irq_ack(struct radeon_device *rdev) 3652 { 3653 u32 tmp; 3654 3655 if (ASIC_IS_DCE3(rdev)) { 3656 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS); 3657 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE); 3658 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2); 3659 if (ASIC_IS_DCE32(rdev)) { 3660 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0); 3661 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1); 3662 } else { 3663 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS); 3664 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS); 3665 } 3666 } else { 3667 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS); 3668 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); 3669 rdev->irq.stat_regs.r600.disp_int_cont2 = 0; 3670 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS); 3671 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS); 3672 } 3673 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS); 3674 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS); 3675 3676 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3677 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3678 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED) 3679 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR); 3680 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) 3681 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3682 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) 3683 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3684 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) 3685 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK); 3686 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) 3687 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK); 3688 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3689 if (ASIC_IS_DCE3(rdev)) { 3690 tmp = RREG32(DC_HPD1_INT_CONTROL); 3691 tmp |= DC_HPDx_INT_ACK; 3692 WREG32(DC_HPD1_INT_CONTROL, tmp); 3693 } else { 3694 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL); 3695 tmp |= DC_HPDx_INT_ACK; 3696 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 3697 } 3698 } 3699 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3700 if (ASIC_IS_DCE3(rdev)) { 3701 tmp = RREG32(DC_HPD2_INT_CONTROL); 3702 tmp |= DC_HPDx_INT_ACK; 3703 WREG32(DC_HPD2_INT_CONTROL, tmp); 3704 } else { 3705 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL); 3706 tmp |= DC_HPDx_INT_ACK; 3707 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 3708 } 3709 } 3710 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3711 if (ASIC_IS_DCE3(rdev)) { 3712 tmp = RREG32(DC_HPD3_INT_CONTROL); 3713 tmp |= DC_HPDx_INT_ACK; 3714 WREG32(DC_HPD3_INT_CONTROL, tmp); 3715 } else { 3716 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL); 3717 tmp |= DC_HPDx_INT_ACK; 3718 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp); 3719 } 3720 } 3721 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3722 tmp = RREG32(DC_HPD4_INT_CONTROL); 3723 tmp |= DC_HPDx_INT_ACK; 3724 WREG32(DC_HPD4_INT_CONTROL, tmp); 3725 } 3726 if (ASIC_IS_DCE32(rdev)) { 3727 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3728 tmp = RREG32(DC_HPD5_INT_CONTROL); 3729 tmp |= DC_HPDx_INT_ACK; 3730 WREG32(DC_HPD5_INT_CONTROL, tmp); 3731 } 3732 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 3733 tmp = RREG32(DC_HPD5_INT_CONTROL); 3734 tmp |= DC_HPDx_INT_ACK; 3735 WREG32(DC_HPD6_INT_CONTROL, tmp); 3736 } 3737 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) { 3738 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0); 3739 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 3740 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp); 3741 } 3742 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) { 3743 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1); 3744 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK; 3745 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp); 3746 } 3747 } else { 3748 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) { 3749 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL); 3750 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 3751 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp); 3752 } 3753 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) { 3754 if (ASIC_IS_DCE3(rdev)) { 3755 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL); 3756 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 3757 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp); 3758 } else { 3759 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL); 3760 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK; 3761 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp); 3762 } 3763 } 3764 } 3765 } 3766 3767 void r600_irq_disable(struct radeon_device *rdev) 3768 { 3769 r600_disable_interrupts(rdev); 3770 /* Wait and acknowledge irq */ 3771 mdelay(1); 3772 r600_irq_ack(rdev); 3773 r600_disable_interrupt_state(rdev); 3774 } 3775 3776 static u32 r600_get_ih_wptr(struct radeon_device *rdev) 3777 { 3778 u32 wptr, tmp; 3779 3780 if (rdev->wb.enabled) 3781 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]); 3782 else 3783 wptr = RREG32(IH_RB_WPTR); 3784 3785 if (wptr & RB_OVERFLOW) { 3786 /* When a ring buffer overflow happen start parsing interrupt 3787 * from the last not overwritten vector (wptr + 16). Hopefully 3788 * this should allow us to catchup. 3789 */ 3790 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n", 3791 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask); 3792 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; 3793 tmp = RREG32(IH_RB_CNTL); 3794 tmp |= IH_WPTR_OVERFLOW_CLEAR; 3795 WREG32(IH_RB_CNTL, tmp); 3796 } 3797 return (wptr & rdev->ih.ptr_mask); 3798 } 3799 3800 /* r600 IV Ring 3801 * Each IV ring entry is 128 bits: 3802 * [7:0] - interrupt source id 3803 * [31:8] - reserved 3804 * [59:32] - interrupt source data 3805 * [127:60] - reserved 3806 * 3807 * The basic interrupt vector entries 3808 * are decoded as follows: 3809 * src_id src_data description 3810 * 1 0 D1 Vblank 3811 * 1 1 D1 Vline 3812 * 5 0 D2 Vblank 3813 * 5 1 D2 Vline 3814 * 19 0 FP Hot plug detection A 3815 * 19 1 FP Hot plug detection B 3816 * 19 2 DAC A auto-detection 3817 * 19 3 DAC B auto-detection 3818 * 21 4 HDMI block A 3819 * 21 5 HDMI block B 3820 * 176 - CP_INT RB 3821 * 177 - CP_INT IB1 3822 * 178 - CP_INT IB2 3823 * 181 - EOP Interrupt 3824 * 233 - GUI Idle 3825 * 3826 * Note, these are based on r600 and may need to be 3827 * adjusted or added to on newer asics 3828 */ 3829 3830 int r600_irq_process(struct radeon_device *rdev) 3831 { 3832 u32 wptr; 3833 u32 rptr; 3834 u32 src_id, src_data; 3835 u32 ring_index; 3836 bool queue_hotplug = false; 3837 bool queue_hdmi = false; 3838 bool queue_thermal = false; 3839 3840 if (!rdev->ih.enabled || rdev->shutdown) 3841 return IRQ_NONE; 3842 3843 /* No MSIs, need a dummy read to flush PCI DMAs */ 3844 if (!rdev->msi_enabled) 3845 RREG32(IH_RB_WPTR); 3846 3847 wptr = r600_get_ih_wptr(rdev); 3848 3849 restart_ih: 3850 /* is somebody else already processing irqs? */ 3851 if (atomic_xchg(&rdev->ih.lock, 1)) 3852 return IRQ_NONE; 3853 3854 rptr = rdev->ih.rptr; 3855 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); 3856 3857 /* Order reading of wptr vs. reading of IH ring data */ 3858 rmb(); 3859 3860 /* display interrupts */ 3861 r600_irq_ack(rdev); 3862 3863 while (rptr != wptr) { 3864 /* wptr/rptr are in bytes! */ 3865 ring_index = rptr / 4; 3866 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff; 3867 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff; 3868 3869 switch (src_id) { 3870 case 1: /* D1 vblank/vline */ 3871 switch (src_data) { 3872 case 0: /* D1 vblank */ 3873 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) { 3874 if (rdev->irq.crtc_vblank_int[0]) { 3875 drm_handle_vblank(rdev->ddev, 0); 3876 rdev->pm.vblank_sync = true; 3877 wake_up(&rdev->irq.vblank_queue); 3878 } 3879 if (atomic_read(&rdev->irq.pflip[0])) 3880 radeon_crtc_handle_flip(rdev, 0); 3881 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT; 3882 DRM_DEBUG("IH: D1 vblank\n"); 3883 } 3884 break; 3885 case 1: /* D1 vline */ 3886 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) { 3887 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT; 3888 DRM_DEBUG("IH: D1 vline\n"); 3889 } 3890 break; 3891 default: 3892 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3893 break; 3894 } 3895 break; 3896 case 5: /* D2 vblank/vline */ 3897 switch (src_data) { 3898 case 0: /* D2 vblank */ 3899 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) { 3900 if (rdev->irq.crtc_vblank_int[1]) { 3901 drm_handle_vblank(rdev->ddev, 1); 3902 rdev->pm.vblank_sync = true; 3903 wake_up(&rdev->irq.vblank_queue); 3904 } 3905 if (atomic_read(&rdev->irq.pflip[1])) 3906 radeon_crtc_handle_flip(rdev, 1); 3907 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT; 3908 DRM_DEBUG("IH: D2 vblank\n"); 3909 } 3910 break; 3911 case 1: /* D1 vline */ 3912 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) { 3913 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT; 3914 DRM_DEBUG("IH: D2 vline\n"); 3915 } 3916 break; 3917 default: 3918 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3919 break; 3920 } 3921 break; 3922 case 19: /* HPD/DAC hotplug */ 3923 switch (src_data) { 3924 case 0: 3925 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) { 3926 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT; 3927 queue_hotplug = true; 3928 DRM_DEBUG("IH: HPD1\n"); 3929 } 3930 break; 3931 case 1: 3932 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) { 3933 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT; 3934 queue_hotplug = true; 3935 DRM_DEBUG("IH: HPD2\n"); 3936 } 3937 break; 3938 case 4: 3939 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) { 3940 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT; 3941 queue_hotplug = true; 3942 DRM_DEBUG("IH: HPD3\n"); 3943 } 3944 break; 3945 case 5: 3946 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) { 3947 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT; 3948 queue_hotplug = true; 3949 DRM_DEBUG("IH: HPD4\n"); 3950 } 3951 break; 3952 case 10: 3953 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) { 3954 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT; 3955 queue_hotplug = true; 3956 DRM_DEBUG("IH: HPD5\n"); 3957 } 3958 break; 3959 case 12: 3960 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { 3961 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT; 3962 queue_hotplug = true; 3963 DRM_DEBUG("IH: HPD6\n"); 3964 } 3965 break; 3966 default: 3967 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 3968 break; 3969 } 3970 break; 3971 case 21: /* hdmi */ 3972 switch (src_data) { 3973 case 4: 3974 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) { 3975 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG; 3976 queue_hdmi = true; 3977 DRM_DEBUG("IH: HDMI0\n"); 3978 } 3979 break; 3980 case 5: 3981 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) { 3982 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG; 3983 queue_hdmi = true; 3984 DRM_DEBUG("IH: HDMI1\n"); 3985 } 3986 break; 3987 default: 3988 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data); 3989 break; 3990 } 3991 break; 3992 case 124: /* UVD */ 3993 DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); 3994 radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); 3995 break; 3996 case 176: /* CP_INT in ring buffer */ 3997 case 177: /* CP_INT in IB1 */ 3998 case 178: /* CP_INT in IB2 */ 3999 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); 4000 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 4001 break; 4002 case 181: /* CP EOP event */ 4003 DRM_DEBUG("IH: CP EOP\n"); 4004 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 4005 break; 4006 case 224: /* DMA trap event */ 4007 DRM_DEBUG("IH: DMA trap\n"); 4008 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX); 4009 break; 4010 case 230: /* thermal low to high */ 4011 DRM_DEBUG("IH: thermal low to high\n"); 4012 rdev->pm.dpm.thermal.high_to_low = false; 4013 queue_thermal = true; 4014 break; 4015 case 231: /* thermal high to low */ 4016 DRM_DEBUG("IH: thermal high to low\n"); 4017 rdev->pm.dpm.thermal.high_to_low = true; 4018 queue_thermal = true; 4019 break; 4020 case 233: /* GUI IDLE */ 4021 DRM_DEBUG("IH: GUI idle\n"); 4022 break; 4023 default: 4024 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); 4025 break; 4026 } 4027 4028 /* wptr/rptr are in bytes! */ 4029 rptr += 16; 4030 rptr &= rdev->ih.ptr_mask; 4031 } 4032 if (queue_hotplug) 4033 schedule_work(&rdev->hotplug_work); 4034 if (queue_hdmi) 4035 schedule_work(&rdev->audio_work); 4036 if (queue_thermal && rdev->pm.dpm_enabled) 4037 schedule_work(&rdev->pm.dpm.thermal.work); 4038 rdev->ih.rptr = rptr; 4039 WREG32(IH_RB_RPTR, rdev->ih.rptr); 4040 atomic_set(&rdev->ih.lock, 0); 4041 4042 /* make sure wptr hasn't changed while processing */ 4043 wptr = r600_get_ih_wptr(rdev); 4044 if (wptr != rptr) 4045 goto restart_ih; 4046 4047 return IRQ_HANDLED; 4048 } 4049 4050 /* 4051 * Debugfs info 4052 */ 4053 #if defined(CONFIG_DEBUG_FS) 4054 4055 static int r600_debugfs_mc_info(struct seq_file *m, void *data) 4056 { 4057 struct drm_info_node *node = (struct drm_info_node *) m->private; 4058 struct drm_device *dev = node->minor->dev; 4059 struct radeon_device *rdev = dev->dev_private; 4060 4061 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS); 4062 DREG32_SYS(m, rdev, VM_L2_STATUS); 4063 return 0; 4064 } 4065 4066 static struct drm_info_list r600_mc_info_list[] = { 4067 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL}, 4068 }; 4069 #endif 4070 4071 int r600_debugfs_mc_info_init(struct radeon_device *rdev) 4072 { 4073 #if defined(CONFIG_DEBUG_FS) 4074 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list)); 4075 #else 4076 return 0; 4077 #endif 4078 } 4079 4080 /** 4081 * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl 4082 * rdev: radeon device structure 4083 * bo: buffer object struct which userspace is waiting for idle 4084 * 4085 * Some R6XX/R7XX doesn't seems to take into account HDP flush performed 4086 * through ring buffer, this leads to corruption in rendering, see 4087 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we 4088 * directly perform HDP flush by writing register through MMIO. 4089 */ 4090 void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo) 4091 { 4092 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read 4093 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL. 4094 * This seems to cause problems on some AGP cards. Just use the old 4095 * method for them. 4096 */ 4097 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) && 4098 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) { 4099 void __iomem *ptr = (void *)rdev->vram_scratch.ptr; 4100 u32 tmp; 4101 4102 WREG32(HDP_DEBUG1, 0); 4103 tmp = readl((void __iomem *)ptr); 4104 } else 4105 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); 4106 } 4107 4108 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes) 4109 { 4110 u32 link_width_cntl, mask; 4111 4112 if (rdev->flags & RADEON_IS_IGP) 4113 return; 4114 4115 if (!(rdev->flags & RADEON_IS_PCIE)) 4116 return; 4117 4118 /* x2 cards have a special sequence */ 4119 if (ASIC_IS_X2(rdev)) 4120 return; 4121 4122 radeon_gui_idle(rdev); 4123 4124 switch (lanes) { 4125 case 0: 4126 mask = RADEON_PCIE_LC_LINK_WIDTH_X0; 4127 break; 4128 case 1: 4129 mask = RADEON_PCIE_LC_LINK_WIDTH_X1; 4130 break; 4131 case 2: 4132 mask = RADEON_PCIE_LC_LINK_WIDTH_X2; 4133 break; 4134 case 4: 4135 mask = RADEON_PCIE_LC_LINK_WIDTH_X4; 4136 break; 4137 case 8: 4138 mask = RADEON_PCIE_LC_LINK_WIDTH_X8; 4139 break; 4140 case 12: 4141 /* not actually supported */ 4142 mask = RADEON_PCIE_LC_LINK_WIDTH_X12; 4143 break; 4144 case 16: 4145 mask = RADEON_PCIE_LC_LINK_WIDTH_X16; 4146 break; 4147 default: 4148 DRM_ERROR("invalid pcie lane request: %d\n", lanes); 4149 return; 4150 } 4151 4152 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 4153 link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK; 4154 link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT; 4155 link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW | 4156 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE); 4157 4158 WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4159 } 4160 4161 int r600_get_pcie_lanes(struct radeon_device *rdev) 4162 { 4163 u32 link_width_cntl; 4164 4165 if (rdev->flags & RADEON_IS_IGP) 4166 return 0; 4167 4168 if (!(rdev->flags & RADEON_IS_PCIE)) 4169 return 0; 4170 4171 /* x2 cards have a special sequence */ 4172 if (ASIC_IS_X2(rdev)) 4173 return 0; 4174 4175 radeon_gui_idle(rdev); 4176 4177 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL); 4178 4179 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) { 4180 case RADEON_PCIE_LC_LINK_WIDTH_X1: 4181 return 1; 4182 case RADEON_PCIE_LC_LINK_WIDTH_X2: 4183 return 2; 4184 case RADEON_PCIE_LC_LINK_WIDTH_X4: 4185 return 4; 4186 case RADEON_PCIE_LC_LINK_WIDTH_X8: 4187 return 8; 4188 case RADEON_PCIE_LC_LINK_WIDTH_X12: 4189 /* not actually supported */ 4190 return 12; 4191 case RADEON_PCIE_LC_LINK_WIDTH_X0: 4192 case RADEON_PCIE_LC_LINK_WIDTH_X16: 4193 default: 4194 return 16; 4195 } 4196 } 4197 4198 static void r600_pcie_gen2_enable(struct radeon_device *rdev) 4199 { 4200 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp; 4201 u16 link_cntl2; 4202 4203 if (radeon_pcie_gen2 == 0) 4204 return; 4205 4206 if (rdev->flags & RADEON_IS_IGP) 4207 return; 4208 4209 if (!(rdev->flags & RADEON_IS_PCIE)) 4210 return; 4211 4212 /* x2 cards have a special sequence */ 4213 if (ASIC_IS_X2(rdev)) 4214 return; 4215 4216 /* only RV6xx+ chips are supported */ 4217 if (rdev->family <= CHIP_R600) 4218 return; 4219 4220 if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) && 4221 (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT)) 4222 return; 4223 4224 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4225 if (speed_cntl & LC_CURRENT_DATA_RATE) { 4226 DRM_INFO("PCIE gen 2 link speeds already enabled\n"); 4227 return; 4228 } 4229 4230 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n"); 4231 4232 /* 55 nm r6xx asics */ 4233 if ((rdev->family == CHIP_RV670) || 4234 (rdev->family == CHIP_RV620) || 4235 (rdev->family == CHIP_RV635)) { 4236 /* advertise upconfig capability */ 4237 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4238 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 4239 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4240 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4241 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) { 4242 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT; 4243 link_width_cntl &= ~(LC_LINK_WIDTH_MASK | 4244 LC_RECONFIG_ARC_MISSING_ESCAPE); 4245 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN; 4246 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4247 } else { 4248 link_width_cntl |= LC_UPCONFIGURE_DIS; 4249 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4250 } 4251 } 4252 4253 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4254 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) && 4255 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { 4256 4257 /* 55 nm r6xx asics */ 4258 if ((rdev->family == CHIP_RV670) || 4259 (rdev->family == CHIP_RV620) || 4260 (rdev->family == CHIP_RV635)) { 4261 WREG32(MM_CFGREGS_CNTL, 0x8); 4262 link_cntl2 = RREG32(0x4088); 4263 WREG32(MM_CFGREGS_CNTL, 0); 4264 /* not supported yet */ 4265 if (link_cntl2 & SELECTABLE_DEEMPHASIS) 4266 return; 4267 } 4268 4269 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK; 4270 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT); 4271 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK; 4272 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE; 4273 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE; 4274 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4275 4276 tmp = RREG32(0x541c); 4277 WREG32(0x541c, tmp | 0x8); 4278 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN); 4279 link_cntl2 = RREG16(0x4088); 4280 link_cntl2 &= ~TARGET_LINK_SPEED_MASK; 4281 link_cntl2 |= 0x2; 4282 WREG16(0x4088, link_cntl2); 4283 WREG32(MM_CFGREGS_CNTL, 0); 4284 4285 if ((rdev->family == CHIP_RV670) || 4286 (rdev->family == CHIP_RV620) || 4287 (rdev->family == CHIP_RV635)) { 4288 training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL); 4289 training_cntl &= ~LC_POINT_7_PLUS_EN; 4290 WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl); 4291 } else { 4292 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4293 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; 4294 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4295 } 4296 4297 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL); 4298 speed_cntl |= LC_GEN2_EN_STRAP; 4299 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl); 4300 4301 } else { 4302 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); 4303 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ 4304 if (1) 4305 link_width_cntl |= LC_UPCONFIGURE_DIS; 4306 else 4307 link_width_cntl &= ~LC_UPCONFIGURE_DIS; 4308 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); 4309 } 4310 } 4311 4312 /** 4313 * r600_get_gpu_clock_counter - return GPU clock counter snapshot 4314 * 4315 * @rdev: radeon_device pointer 4316 * 4317 * Fetches a GPU clock counter snapshot (R6xx-cayman). 4318 * Returns the 64 bit clock counter snapshot. 4319 */ 4320 uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev) 4321 { 4322 uint64_t clock; 4323 4324 mutex_lock(&rdev->gpu_clock_mutex); 4325 WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1); 4326 clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) | 4327 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL); 4328 mutex_unlock(&rdev->gpu_clock_mutex); 4329 return clock; 4330 } 4331