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 /* RS600 / Radeon X1250/X1270 integrated GPU 29 * 30 * This file gather function specific to RS600 which is the IGP of 31 * the X1250/X1270 family supporting intel CPU (while RS690/RS740 32 * is the X1250/X1270 supporting AMD CPU). The display engine are 33 * the avivo one, bios is an atombios, 3D block are the one of the 34 * R4XX family. The GART is different from the RS400 one and is very 35 * close to the one of the R600 family (R600 likely being an evolution 36 * of the RS600 GART block). 37 */ 38 39 #include <linux/io-64-nonatomic-lo-hi.h> 40 #include <linux/pci.h> 41 42 #include <drm/drm_device.h> 43 #include <drm/drm_vblank.h> 44 #include <drm/drm_fourcc.h> 45 #include <drm/drm_framebuffer.h> 46 47 #include "atom.h" 48 #include "radeon.h" 49 #include "radeon_asic.h" 50 #include "radeon_audio.h" 51 #include "rs600_reg_safe.h" 52 #include "rs600d.h" 53 54 static void rs600_gpu_init(struct radeon_device *rdev); 55 int rs600_mc_wait_for_idle(struct radeon_device *rdev); 56 57 static const u32 crtc_offsets[2] = { 58 0, 59 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL 60 }; 61 62 static bool avivo_is_in_vblank(struct radeon_device *rdev, int crtc) 63 { 64 if (RREG32(AVIVO_D1CRTC_STATUS + crtc_offsets[crtc]) & AVIVO_D1CRTC_V_BLANK) 65 return true; 66 else 67 return false; 68 } 69 70 static bool avivo_is_counter_moving(struct radeon_device *rdev, int crtc) 71 { 72 u32 pos1, pos2; 73 74 pos1 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]); 75 pos2 = RREG32(AVIVO_D1CRTC_STATUS_POSITION + crtc_offsets[crtc]); 76 77 if (pos1 != pos2) 78 return true; 79 else 80 return false; 81 } 82 83 /** 84 * avivo_wait_for_vblank - vblank wait asic callback. 85 * 86 * @rdev: radeon_device pointer 87 * @crtc: crtc to wait for vblank on 88 * 89 * Wait for vblank on the requested crtc (r5xx-r7xx). 90 */ 91 void avivo_wait_for_vblank(struct radeon_device *rdev, int crtc) 92 { 93 unsigned i = 0; 94 95 if (crtc >= rdev->num_crtc) 96 return; 97 98 if (!(RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[crtc]) & AVIVO_CRTC_EN)) 99 return; 100 101 /* depending on when we hit vblank, we may be close to active; if so, 102 * wait for another frame. 103 */ 104 while (avivo_is_in_vblank(rdev, crtc)) { 105 if (i++ % 100 == 0) { 106 if (!avivo_is_counter_moving(rdev, crtc)) 107 break; 108 } 109 } 110 111 while (!avivo_is_in_vblank(rdev, crtc)) { 112 if (i++ % 100 == 0) { 113 if (!avivo_is_counter_moving(rdev, crtc)) 114 break; 115 } 116 } 117 } 118 119 void rs600_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base, bool async) 120 { 121 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 122 struct drm_framebuffer *fb = radeon_crtc->base.primary->fb; 123 u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset); 124 int i; 125 126 /* Lock the graphics update lock */ 127 tmp |= AVIVO_D1GRPH_UPDATE_LOCK; 128 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); 129 130 /* flip at hsync for async, default is vsync */ 131 WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, 132 async ? AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0); 133 /* update pitch */ 134 WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, 135 fb->pitches[0] / fb->format->cpp[0]); 136 /* update the scanout addresses */ 137 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 138 (u32)crtc_base); 139 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 140 (u32)crtc_base); 141 142 /* Wait for update_pending to go high. */ 143 for (i = 0; i < rdev->usec_timeout; i++) { 144 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) 145 break; 146 udelay(1); 147 } 148 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); 149 150 /* Unlock the lock, so double-buffering can take place inside vblank */ 151 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK; 152 WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); 153 } 154 155 bool rs600_page_flip_pending(struct radeon_device *rdev, int crtc_id) 156 { 157 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; 158 159 /* Return current update_pending status: */ 160 return !!(RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & 161 AVIVO_D1GRPH_SURFACE_UPDATE_PENDING); 162 } 163 164 void avivo_program_fmt(struct drm_encoder *encoder) 165 { 166 struct drm_device *dev = encoder->dev; 167 struct radeon_device *rdev = dev->dev_private; 168 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 169 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 170 int bpc = 0; 171 u32 tmp = 0; 172 enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE; 173 174 if (connector) { 175 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 176 bpc = radeon_get_monitor_bpc(connector); 177 dither = radeon_connector->dither; 178 } 179 180 /* LVDS FMT is set up by atom */ 181 if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT) 182 return; 183 184 if (bpc == 0) 185 return; 186 187 switch (bpc) { 188 case 6: 189 if (dither == RADEON_FMT_DITHER_ENABLE) 190 /* XXX sort out optimal dither settings */ 191 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN; 192 else 193 tmp |= AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN; 194 break; 195 case 8: 196 if (dither == RADEON_FMT_DITHER_ENABLE) 197 /* XXX sort out optimal dither settings */ 198 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_EN | 199 AVIVO_TMDS_BIT_DEPTH_CONTROL_SPATIAL_DITHER_DEPTH); 200 else 201 tmp |= (AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_EN | 202 AVIVO_TMDS_BIT_DEPTH_CONTROL_TRUNCATE_DEPTH); 203 break; 204 case 10: 205 default: 206 /* not needed */ 207 break; 208 } 209 210 switch (radeon_encoder->encoder_id) { 211 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1: 212 WREG32(AVIVO_TMDSA_BIT_DEPTH_CONTROL, tmp); 213 break; 214 case ENCODER_OBJECT_ID_INTERNAL_LVTM1: 215 WREG32(AVIVO_LVTMA_BIT_DEPTH_CONTROL, tmp); 216 break; 217 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1: 218 WREG32(AVIVO_DVOA_BIT_DEPTH_CONTROL, tmp); 219 break; 220 case ENCODER_OBJECT_ID_INTERNAL_DDI: 221 WREG32(AVIVO_DDIA_BIT_DEPTH_CONTROL, tmp); 222 break; 223 default: 224 break; 225 } 226 } 227 228 void rs600_pm_misc(struct radeon_device *rdev) 229 { 230 int requested_index = rdev->pm.requested_power_state_index; 231 struct radeon_power_state *ps = &rdev->pm.power_state[requested_index]; 232 struct radeon_voltage *voltage = &ps->clock_info[0].voltage; 233 u32 tmp, dyn_pwrmgt_sclk_length, dyn_sclk_vol_cntl; 234 u32 hdp_dyn_cntl, /*mc_host_dyn_cntl,*/ dyn_backbias_cntl; 235 236 if ((voltage->type == VOLTAGE_GPIO) && (voltage->gpio.valid)) { 237 if (ps->misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) { 238 tmp = RREG32(voltage->gpio.reg); 239 if (voltage->active_high) 240 tmp |= voltage->gpio.mask; 241 else 242 tmp &= ~(voltage->gpio.mask); 243 WREG32(voltage->gpio.reg, tmp); 244 if (voltage->delay) 245 udelay(voltage->delay); 246 } else { 247 tmp = RREG32(voltage->gpio.reg); 248 if (voltage->active_high) 249 tmp &= ~voltage->gpio.mask; 250 else 251 tmp |= voltage->gpio.mask; 252 WREG32(voltage->gpio.reg, tmp); 253 if (voltage->delay) 254 udelay(voltage->delay); 255 } 256 } else if (voltage->type == VOLTAGE_VDDC) 257 radeon_atom_set_voltage(rdev, voltage->vddc_id, SET_VOLTAGE_TYPE_ASIC_VDDC); 258 259 dyn_pwrmgt_sclk_length = RREG32_PLL(DYN_PWRMGT_SCLK_LENGTH); 260 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_HILEN(0xf); 261 dyn_pwrmgt_sclk_length &= ~REDUCED_POWER_SCLK_LOLEN(0xf); 262 if (ps->misc & ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN) { 263 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2) { 264 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(2); 265 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(2); 266 } else if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4) { 267 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(4); 268 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(4); 269 } 270 } else { 271 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_HILEN(1); 272 dyn_pwrmgt_sclk_length |= REDUCED_POWER_SCLK_LOLEN(1); 273 } 274 WREG32_PLL(DYN_PWRMGT_SCLK_LENGTH, dyn_pwrmgt_sclk_length); 275 276 dyn_sclk_vol_cntl = RREG32_PLL(DYN_SCLK_VOL_CNTL); 277 if (ps->misc & ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN) { 278 dyn_sclk_vol_cntl |= IO_CG_VOLTAGE_DROP; 279 if (voltage->delay) { 280 dyn_sclk_vol_cntl |= VOLTAGE_DROP_SYNC; 281 dyn_sclk_vol_cntl |= VOLTAGE_DELAY_SEL(voltage->delay); 282 } else 283 dyn_sclk_vol_cntl &= ~VOLTAGE_DROP_SYNC; 284 } else 285 dyn_sclk_vol_cntl &= ~IO_CG_VOLTAGE_DROP; 286 WREG32_PLL(DYN_SCLK_VOL_CNTL, dyn_sclk_vol_cntl); 287 288 hdp_dyn_cntl = RREG32_PLL(HDP_DYN_CNTL); 289 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN) 290 hdp_dyn_cntl &= ~HDP_FORCEON; 291 else 292 hdp_dyn_cntl |= HDP_FORCEON; 293 WREG32_PLL(HDP_DYN_CNTL, hdp_dyn_cntl); 294 #if 0 295 /* mc_host_dyn seems to cause hangs from time to time */ 296 mc_host_dyn_cntl = RREG32_PLL(MC_HOST_DYN_CNTL); 297 if (ps->misc & ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN) 298 mc_host_dyn_cntl &= ~MC_HOST_FORCEON; 299 else 300 mc_host_dyn_cntl |= MC_HOST_FORCEON; 301 WREG32_PLL(MC_HOST_DYN_CNTL, mc_host_dyn_cntl); 302 #endif 303 dyn_backbias_cntl = RREG32_PLL(DYN_BACKBIAS_CNTL); 304 if (ps->misc & ATOM_PM_MISCINFO2_DYNAMIC_BACK_BIAS_EN) 305 dyn_backbias_cntl |= IO_CG_BACKBIAS_EN; 306 else 307 dyn_backbias_cntl &= ~IO_CG_BACKBIAS_EN; 308 WREG32_PLL(DYN_BACKBIAS_CNTL, dyn_backbias_cntl); 309 310 /* set pcie lanes */ 311 if ((rdev->flags & RADEON_IS_PCIE) && 312 !(rdev->flags & RADEON_IS_IGP) && 313 rdev->asic->pm.set_pcie_lanes && 314 (ps->pcie_lanes != 315 rdev->pm.power_state[rdev->pm.current_power_state_index].pcie_lanes)) { 316 radeon_set_pcie_lanes(rdev, 317 ps->pcie_lanes); 318 DRM_DEBUG("Setting: p: %d\n", ps->pcie_lanes); 319 } 320 } 321 322 void rs600_pm_prepare(struct radeon_device *rdev) 323 { 324 struct drm_device *ddev = rdev->ddev; 325 struct drm_crtc *crtc; 326 struct radeon_crtc *radeon_crtc; 327 u32 tmp; 328 329 /* disable any active CRTCs */ 330 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 331 radeon_crtc = to_radeon_crtc(crtc); 332 if (radeon_crtc->enabled) { 333 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset); 334 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; 335 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); 336 } 337 } 338 } 339 340 void rs600_pm_finish(struct radeon_device *rdev) 341 { 342 struct drm_device *ddev = rdev->ddev; 343 struct drm_crtc *crtc; 344 struct radeon_crtc *radeon_crtc; 345 u32 tmp; 346 347 /* enable any active CRTCs */ 348 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { 349 radeon_crtc = to_radeon_crtc(crtc); 350 if (radeon_crtc->enabled) { 351 tmp = RREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset); 352 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE; 353 WREG32(AVIVO_D1CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); 354 } 355 } 356 } 357 358 /* hpd for digital panel detect/disconnect */ 359 bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) 360 { 361 u32 tmp; 362 bool connected = false; 363 364 switch (hpd) { 365 case RADEON_HPD_1: 366 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS); 367 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp)) 368 connected = true; 369 break; 370 case RADEON_HPD_2: 371 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS); 372 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp)) 373 connected = true; 374 break; 375 default: 376 break; 377 } 378 return connected; 379 } 380 381 void rs600_hpd_set_polarity(struct radeon_device *rdev, 382 enum radeon_hpd_id hpd) 383 { 384 u32 tmp; 385 bool connected = rs600_hpd_sense(rdev, hpd); 386 387 switch (hpd) { 388 case RADEON_HPD_1: 389 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL); 390 if (connected) 391 tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1); 392 else 393 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1); 394 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 395 break; 396 case RADEON_HPD_2: 397 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL); 398 if (connected) 399 tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1); 400 else 401 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1); 402 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 403 break; 404 default: 405 break; 406 } 407 } 408 409 void rs600_hpd_init(struct radeon_device *rdev) 410 { 411 struct drm_device *dev = rdev->ddev; 412 struct drm_connector *connector; 413 unsigned enable = 0; 414 415 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 416 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 417 switch (radeon_connector->hpd.hpd) { 418 case RADEON_HPD_1: 419 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL, 420 S_007D00_DC_HOT_PLUG_DETECT1_EN(1)); 421 break; 422 case RADEON_HPD_2: 423 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL, 424 S_007D10_DC_HOT_PLUG_DETECT2_EN(1)); 425 break; 426 default: 427 break; 428 } 429 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 430 enable |= 1 << radeon_connector->hpd.hpd; 431 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); 432 } 433 radeon_irq_kms_enable_hpd(rdev, enable); 434 } 435 436 void rs600_hpd_fini(struct radeon_device *rdev) 437 { 438 struct drm_device *dev = rdev->ddev; 439 struct drm_connector *connector; 440 unsigned disable = 0; 441 442 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 443 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 444 switch (radeon_connector->hpd.hpd) { 445 case RADEON_HPD_1: 446 WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL, 447 S_007D00_DC_HOT_PLUG_DETECT1_EN(0)); 448 break; 449 case RADEON_HPD_2: 450 WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL, 451 S_007D10_DC_HOT_PLUG_DETECT2_EN(0)); 452 break; 453 default: 454 break; 455 } 456 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) 457 disable |= 1 << radeon_connector->hpd.hpd; 458 } 459 radeon_irq_kms_disable_hpd(rdev, disable); 460 } 461 462 int rs600_asic_reset(struct radeon_device *rdev, bool hard) 463 { 464 struct rv515_mc_save save; 465 u32 status, tmp; 466 int ret = 0; 467 468 status = RREG32(R_000E40_RBBM_STATUS); 469 if (!G_000E40_GUI_ACTIVE(status)) { 470 return 0; 471 } 472 /* Stops all mc clients */ 473 rv515_mc_stop(rdev, &save); 474 status = RREG32(R_000E40_RBBM_STATUS); 475 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 476 /* stop CP */ 477 WREG32(RADEON_CP_CSQ_CNTL, 0); 478 tmp = RREG32(RADEON_CP_RB_CNTL); 479 WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); 480 WREG32(RADEON_CP_RB_RPTR_WR, 0); 481 WREG32(RADEON_CP_RB_WPTR, 0); 482 WREG32(RADEON_CP_RB_CNTL, tmp); 483 pci_save_state(rdev->pdev); 484 /* disable bus mastering */ 485 pci_clear_master(rdev->pdev); 486 mdelay(1); 487 /* reset GA+VAP */ 488 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) | 489 S_0000F0_SOFT_RESET_GA(1)); 490 RREG32(R_0000F0_RBBM_SOFT_RESET); 491 mdelay(500); 492 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 493 mdelay(1); 494 status = RREG32(R_000E40_RBBM_STATUS); 495 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 496 /* reset CP */ 497 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1)); 498 RREG32(R_0000F0_RBBM_SOFT_RESET); 499 mdelay(500); 500 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 501 mdelay(1); 502 status = RREG32(R_000E40_RBBM_STATUS); 503 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 504 /* reset MC */ 505 WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_MC(1)); 506 RREG32(R_0000F0_RBBM_SOFT_RESET); 507 mdelay(500); 508 WREG32(R_0000F0_RBBM_SOFT_RESET, 0); 509 mdelay(1); 510 status = RREG32(R_000E40_RBBM_STATUS); 511 dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status); 512 /* restore PCI & busmastering */ 513 pci_restore_state(rdev->pdev); 514 /* Check if GPU is idle */ 515 if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) { 516 dev_err(rdev->dev, "failed to reset GPU\n"); 517 ret = -1; 518 } else 519 dev_info(rdev->dev, "GPU reset succeed\n"); 520 rv515_mc_resume(rdev, &save); 521 return ret; 522 } 523 524 /* 525 * GART. 526 */ 527 void rs600_gart_tlb_flush(struct radeon_device *rdev) 528 { 529 uint32_t tmp; 530 531 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 532 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE; 533 WREG32_MC(R_000100_MC_PT0_CNTL, tmp); 534 535 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 536 tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1); 537 WREG32_MC(R_000100_MC_PT0_CNTL, tmp); 538 539 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 540 tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE; 541 WREG32_MC(R_000100_MC_PT0_CNTL, tmp); 542 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 543 } 544 545 static int rs600_gart_init(struct radeon_device *rdev) 546 { 547 int r; 548 549 if (rdev->gart.robj) { 550 WARN(1, "RS600 GART already initialized\n"); 551 return 0; 552 } 553 /* Initialize common gart structure */ 554 r = radeon_gart_init(rdev); 555 if (r) { 556 return r; 557 } 558 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8; 559 return radeon_gart_table_vram_alloc(rdev); 560 } 561 562 static int rs600_gart_enable(struct radeon_device *rdev) 563 { 564 u32 tmp; 565 int r, i; 566 567 if (rdev->gart.robj == NULL) { 568 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); 569 return -EINVAL; 570 } 571 r = radeon_gart_table_vram_pin(rdev); 572 if (r) 573 return r; 574 /* Enable bus master */ 575 tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS; 576 WREG32(RADEON_BUS_CNTL, tmp); 577 /* FIXME: setup default page */ 578 WREG32_MC(R_000100_MC_PT0_CNTL, 579 (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) | 580 S_000100_EFFECTIVE_L2_QUEUE_SIZE(6))); 581 582 for (i = 0; i < 19; i++) { 583 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i, 584 S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) | 585 S_00016C_SYSTEM_ACCESS_MODE_MASK( 586 V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) | 587 S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS( 588 V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) | 589 S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) | 590 S_00016C_ENABLE_FRAGMENT_PROCESSING(1) | 591 S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3)); 592 } 593 /* enable first context */ 594 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL, 595 S_000102_ENABLE_PAGE_TABLE(1) | 596 S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT)); 597 598 /* disable all other contexts */ 599 for (i = 1; i < 8; i++) 600 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0); 601 602 /* setup the page table */ 603 WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR, 604 rdev->gart.table_addr); 605 WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start); 606 WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end); 607 WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0); 608 609 /* System context maps to VRAM space */ 610 WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start); 611 WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end); 612 613 /* enable page tables */ 614 tmp = RREG32_MC(R_000100_MC_PT0_CNTL); 615 WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1))); 616 tmp = RREG32_MC(R_000009_MC_CNTL1); 617 WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1))); 618 rs600_gart_tlb_flush(rdev); 619 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", 620 (unsigned)(rdev->mc.gtt_size >> 20), 621 (unsigned long long)rdev->gart.table_addr); 622 rdev->gart.ready = true; 623 return 0; 624 } 625 626 static void rs600_gart_disable(struct radeon_device *rdev) 627 { 628 u32 tmp; 629 630 /* FIXME: disable out of gart access */ 631 WREG32_MC(R_000100_MC_PT0_CNTL, 0); 632 tmp = RREG32_MC(R_000009_MC_CNTL1); 633 WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES); 634 radeon_gart_table_vram_unpin(rdev); 635 } 636 637 static void rs600_gart_fini(struct radeon_device *rdev) 638 { 639 radeon_gart_fini(rdev); 640 rs600_gart_disable(rdev); 641 radeon_gart_table_vram_free(rdev); 642 } 643 644 uint64_t rs600_gart_get_page_entry(uint64_t addr, uint32_t flags) 645 { 646 addr = addr & 0xFFFFFFFFFFFFF000ULL; 647 addr |= R600_PTE_SYSTEM; 648 if (flags & RADEON_GART_PAGE_VALID) 649 addr |= R600_PTE_VALID; 650 if (flags & RADEON_GART_PAGE_READ) 651 addr |= R600_PTE_READABLE; 652 if (flags & RADEON_GART_PAGE_WRITE) 653 addr |= R600_PTE_WRITEABLE; 654 if (flags & RADEON_GART_PAGE_SNOOP) 655 addr |= R600_PTE_SNOOPED; 656 return addr; 657 } 658 659 void rs600_gart_set_page(struct radeon_device *rdev, unsigned i, 660 uint64_t entry) 661 { 662 void __iomem *ptr = (void *)rdev->gart.ptr; 663 writeq(entry, ptr + (i * 8)); 664 } 665 666 int rs600_irq_set(struct radeon_device *rdev) 667 { 668 uint32_t tmp = 0; 669 uint32_t mode_int = 0; 670 u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) & 671 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1); 672 u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) & 673 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); 674 u32 hdmi0; 675 if (ASIC_IS_DCE2(rdev)) 676 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) & 677 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); 678 else 679 hdmi0 = 0; 680 681 if (!rdev->irq.installed) { 682 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); 683 WREG32(R_000040_GEN_INT_CNTL, 0); 684 return -EINVAL; 685 } 686 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { 687 tmp |= S_000040_SW_INT_EN(1); 688 } 689 if (rdev->irq.crtc_vblank_int[0] || 690 atomic_read(&rdev->irq.pflip[0])) { 691 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1); 692 } 693 if (rdev->irq.crtc_vblank_int[1] || 694 atomic_read(&rdev->irq.pflip[1])) { 695 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1); 696 } 697 if (rdev->irq.hpd[0]) { 698 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1); 699 } 700 if (rdev->irq.hpd[1]) { 701 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); 702 } 703 if (rdev->irq.afmt[0]) { 704 hdmi0 |= S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); 705 } 706 WREG32(R_000040_GEN_INT_CNTL, tmp); 707 WREG32(R_006540_DxMODE_INT_MASK, mode_int); 708 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1); 709 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2); 710 if (ASIC_IS_DCE2(rdev)) 711 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 712 713 /* posting read */ 714 RREG32(R_000040_GEN_INT_CNTL); 715 716 return 0; 717 } 718 719 static inline u32 rs600_irq_ack(struct radeon_device *rdev) 720 { 721 uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS); 722 uint32_t irq_mask = S_000044_SW_INT(1); 723 u32 tmp; 724 725 if (G_000044_DISPLAY_INT_STAT(irqs)) { 726 rdev->irq.stat_regs.r500.disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS); 727 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 728 WREG32(R_006534_D1MODE_VBLANK_STATUS, 729 S_006534_D1MODE_VBLANK_ACK(1)); 730 } 731 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 732 WREG32(R_006D34_D2MODE_VBLANK_STATUS, 733 S_006D34_D2MODE_VBLANK_ACK(1)); 734 } 735 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 736 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL); 737 tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1); 738 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp); 739 } 740 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 741 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL); 742 tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1); 743 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp); 744 } 745 } else { 746 rdev->irq.stat_regs.r500.disp_int = 0; 747 } 748 749 if (ASIC_IS_DCE2(rdev)) { 750 rdev->irq.stat_regs.r500.hdmi0_status = RREG32(R_007404_HDMI0_STATUS) & 751 S_007404_HDMI0_AZ_FORMAT_WTRIG(1); 752 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) { 753 tmp = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL); 754 tmp |= S_007408_HDMI0_AZ_FORMAT_WTRIG_ACK(1); 755 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, tmp); 756 } 757 } else 758 rdev->irq.stat_regs.r500.hdmi0_status = 0; 759 760 if (irqs) { 761 WREG32(R_000044_GEN_INT_STATUS, irqs); 762 } 763 return irqs & irq_mask; 764 } 765 766 void rs600_irq_disable(struct radeon_device *rdev) 767 { 768 u32 hdmi0 = RREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL) & 769 ~S_007408_HDMI0_AZ_FORMAT_WTRIG_MASK(1); 770 WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0); 771 WREG32(R_000040_GEN_INT_CNTL, 0); 772 WREG32(R_006540_DxMODE_INT_MASK, 0); 773 /* Wait and acknowledge irq */ 774 mdelay(1); 775 rs600_irq_ack(rdev); 776 } 777 778 int rs600_irq_process(struct radeon_device *rdev) 779 { 780 u32 status, msi_rearm; 781 bool queue_hotplug = false; 782 bool queue_hdmi = false; 783 784 status = rs600_irq_ack(rdev); 785 if (!status && 786 !rdev->irq.stat_regs.r500.disp_int && 787 !rdev->irq.stat_regs.r500.hdmi0_status) { 788 return IRQ_NONE; 789 } 790 while (status || 791 rdev->irq.stat_regs.r500.disp_int || 792 rdev->irq.stat_regs.r500.hdmi0_status) { 793 /* SW interrupt */ 794 if (G_000044_SW_INT(status)) { 795 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); 796 } 797 /* Vertical blank interrupts */ 798 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 799 if (rdev->irq.crtc_vblank_int[0]) { 800 drm_handle_vblank(rdev->ddev, 0); 801 rdev->pm.vblank_sync = true; 802 wake_up(&rdev->irq.vblank_queue); 803 } 804 if (atomic_read(&rdev->irq.pflip[0])) 805 radeon_crtc_handle_vblank(rdev, 0); 806 } 807 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 808 if (rdev->irq.crtc_vblank_int[1]) { 809 drm_handle_vblank(rdev->ddev, 1); 810 rdev->pm.vblank_sync = true; 811 wake_up(&rdev->irq.vblank_queue); 812 } 813 if (atomic_read(&rdev->irq.pflip[1])) 814 radeon_crtc_handle_vblank(rdev, 1); 815 } 816 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 817 queue_hotplug = true; 818 DRM_DEBUG("HPD1\n"); 819 } 820 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) { 821 queue_hotplug = true; 822 DRM_DEBUG("HPD2\n"); 823 } 824 if (G_007404_HDMI0_AZ_FORMAT_WTRIG(rdev->irq.stat_regs.r500.hdmi0_status)) { 825 queue_hdmi = true; 826 DRM_DEBUG("HDMI0\n"); 827 } 828 status = rs600_irq_ack(rdev); 829 } 830 if (queue_hotplug) 831 schedule_delayed_work(&rdev->hotplug_work, 0); 832 if (queue_hdmi) 833 schedule_work(&rdev->audio_work); 834 if (rdev->msi_enabled) { 835 switch (rdev->family) { 836 case CHIP_RS600: 837 case CHIP_RS690: 838 case CHIP_RS740: 839 msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM; 840 WREG32(RADEON_BUS_CNTL, msi_rearm); 841 WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM); 842 break; 843 default: 844 WREG32(RADEON_MSI_REARM_EN, RV370_MSI_REARM_EN); 845 break; 846 } 847 } 848 return IRQ_HANDLED; 849 } 850 851 u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc) 852 { 853 if (crtc == 0) 854 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT); 855 else 856 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT); 857 } 858 859 int rs600_mc_wait_for_idle(struct radeon_device *rdev) 860 { 861 unsigned i; 862 863 for (i = 0; i < rdev->usec_timeout; i++) { 864 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS))) 865 return 0; 866 udelay(1); 867 } 868 return -1; 869 } 870 871 static void rs600_gpu_init(struct radeon_device *rdev) 872 { 873 r420_pipes_init(rdev); 874 /* Wait for mc idle */ 875 if (rs600_mc_wait_for_idle(rdev)) 876 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); 877 } 878 879 static void rs600_mc_init(struct radeon_device *rdev) 880 { 881 u64 base; 882 883 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); 884 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); 885 rdev->mc.vram_is_ddr = true; 886 rdev->mc.vram_width = 128; 887 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); 888 rdev->mc.mc_vram_size = rdev->mc.real_vram_size; 889 rdev->mc.visible_vram_size = rdev->mc.aper_size; 890 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); 891 base = RREG32_MC(R_000004_MC_FB_LOCATION); 892 base = G_000004_MC_FB_START(base) << 16; 893 radeon_vram_location(rdev, &rdev->mc, base); 894 rdev->mc.gtt_base_align = 0; 895 radeon_gtt_location(rdev, &rdev->mc); 896 radeon_update_bandwidth_info(rdev); 897 } 898 899 void rs600_bandwidth_update(struct radeon_device *rdev) 900 { 901 struct drm_display_mode *mode0 = NULL; 902 struct drm_display_mode *mode1 = NULL; 903 u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt; 904 /* FIXME: implement full support */ 905 906 if (!rdev->mode_info.mode_config_initialized) 907 return; 908 909 radeon_update_display_priority(rdev); 910 911 if (rdev->mode_info.crtcs[0]->base.enabled) 912 mode0 = &rdev->mode_info.crtcs[0]->base.mode; 913 if (rdev->mode_info.crtcs[1]->base.enabled) 914 mode1 = &rdev->mode_info.crtcs[1]->base.mode; 915 916 rs690_line_buffer_adjust(rdev, mode0, mode1); 917 918 if (rdev->disp_priority == 2) { 919 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT); 920 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT); 921 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1); 922 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1); 923 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt); 924 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt); 925 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt); 926 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt); 927 } 928 } 929 930 uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg) 931 { 932 unsigned long flags; 933 u32 r; 934 935 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 936 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) | 937 S_000070_MC_IND_CITF_ARB0(1)); 938 r = RREG32(R_000074_MC_IND_DATA); 939 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 940 return r; 941 } 942 943 void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) 944 { 945 unsigned long flags; 946 947 spin_lock_irqsave(&rdev->mc_idx_lock, flags); 948 WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) | 949 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1)); 950 WREG32(R_000074_MC_IND_DATA, v); 951 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags); 952 } 953 954 void rs600_set_safe_registers(struct radeon_device *rdev) 955 { 956 rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm; 957 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm); 958 } 959 960 static void rs600_mc_program(struct radeon_device *rdev) 961 { 962 struct rv515_mc_save save; 963 964 /* Stops all mc clients */ 965 rv515_mc_stop(rdev, &save); 966 967 /* Wait for mc idle */ 968 if (rs600_mc_wait_for_idle(rdev)) 969 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); 970 971 /* FIXME: What does AGP means for such chipset ? */ 972 WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF); 973 WREG32_MC(R_000006_AGP_BASE, 0); 974 WREG32_MC(R_000007_AGP_BASE_2, 0); 975 /* Program MC */ 976 WREG32_MC(R_000004_MC_FB_LOCATION, 977 S_000004_MC_FB_START(rdev->mc.vram_start >> 16) | 978 S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16)); 979 WREG32(R_000134_HDP_FB_LOCATION, 980 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16)); 981 982 rv515_mc_resume(rdev, &save); 983 } 984 985 static int rs600_startup(struct radeon_device *rdev) 986 { 987 int r; 988 989 rs600_mc_program(rdev); 990 /* Resume clock */ 991 rv515_clock_startup(rdev); 992 /* Initialize GPU configuration (# pipes, ...) */ 993 rs600_gpu_init(rdev); 994 /* Initialize GART (initialize after TTM so we can allocate 995 * memory through TTM but finalize after TTM) */ 996 r = rs600_gart_enable(rdev); 997 if (r) 998 return r; 999 1000 /* allocate wb buffer */ 1001 r = radeon_wb_init(rdev); 1002 if (r) 1003 return r; 1004 1005 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX); 1006 if (r) { 1007 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r); 1008 return r; 1009 } 1010 1011 /* Enable IRQ */ 1012 if (!rdev->irq.installed) { 1013 r = radeon_irq_kms_init(rdev); 1014 if (r) 1015 return r; 1016 } 1017 1018 rs600_irq_set(rdev); 1019 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); 1020 /* 1M ring buffer */ 1021 r = r100_cp_init(rdev, 1024 * 1024); 1022 if (r) { 1023 dev_err(rdev->dev, "failed initializing CP (%d).\n", r); 1024 return r; 1025 } 1026 1027 r = radeon_ib_pool_init(rdev); 1028 if (r) { 1029 dev_err(rdev->dev, "IB initialization failed (%d).\n", r); 1030 return r; 1031 } 1032 1033 r = radeon_audio_init(rdev); 1034 if (r) { 1035 dev_err(rdev->dev, "failed initializing audio\n"); 1036 return r; 1037 } 1038 1039 return 0; 1040 } 1041 1042 int rs600_resume(struct radeon_device *rdev) 1043 { 1044 int r; 1045 1046 /* Make sur GART are not working */ 1047 rs600_gart_disable(rdev); 1048 /* Resume clock before doing reset */ 1049 rv515_clock_startup(rdev); 1050 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 1051 if (radeon_asic_reset(rdev)) { 1052 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 1053 RREG32(R_000E40_RBBM_STATUS), 1054 RREG32(R_0007C0_CP_STAT)); 1055 } 1056 /* post */ 1057 atom_asic_init(rdev->mode_info.atom_context); 1058 /* Resume clock after posting */ 1059 rv515_clock_startup(rdev); 1060 /* Initialize surface registers */ 1061 radeon_surface_init(rdev); 1062 1063 rdev->accel_working = true; 1064 r = rs600_startup(rdev); 1065 if (r) { 1066 rdev->accel_working = false; 1067 } 1068 return r; 1069 } 1070 1071 int rs600_suspend(struct radeon_device *rdev) 1072 { 1073 radeon_pm_suspend(rdev); 1074 radeon_audio_fini(rdev); 1075 r100_cp_disable(rdev); 1076 radeon_wb_disable(rdev); 1077 rs600_irq_disable(rdev); 1078 rs600_gart_disable(rdev); 1079 return 0; 1080 } 1081 1082 void rs600_fini(struct radeon_device *rdev) 1083 { 1084 radeon_pm_fini(rdev); 1085 radeon_audio_fini(rdev); 1086 r100_cp_fini(rdev); 1087 radeon_wb_fini(rdev); 1088 radeon_ib_pool_fini(rdev); 1089 radeon_gem_fini(rdev); 1090 rs600_gart_fini(rdev); 1091 radeon_irq_kms_fini(rdev); 1092 radeon_fence_driver_fini(rdev); 1093 radeon_bo_fini(rdev); 1094 radeon_atombios_fini(rdev); 1095 kfree(rdev->bios); 1096 rdev->bios = NULL; 1097 } 1098 1099 int rs600_init(struct radeon_device *rdev) 1100 { 1101 int r; 1102 1103 /* Disable VGA */ 1104 rv515_vga_render_disable(rdev); 1105 /* Initialize scratch registers */ 1106 radeon_scratch_init(rdev); 1107 /* Initialize surface registers */ 1108 radeon_surface_init(rdev); 1109 /* restore some register to sane defaults */ 1110 r100_restore_sanity(rdev); 1111 /* BIOS */ 1112 if (!radeon_get_bios(rdev)) { 1113 if (ASIC_IS_AVIVO(rdev)) 1114 return -EINVAL; 1115 } 1116 if (rdev->is_atom_bios) { 1117 r = radeon_atombios_init(rdev); 1118 if (r) 1119 return r; 1120 } else { 1121 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n"); 1122 return -EINVAL; 1123 } 1124 /* Reset gpu before posting otherwise ATOM will enter infinite loop */ 1125 if (radeon_asic_reset(rdev)) { 1126 dev_warn(rdev->dev, 1127 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", 1128 RREG32(R_000E40_RBBM_STATUS), 1129 RREG32(R_0007C0_CP_STAT)); 1130 } 1131 /* check if cards are posted or not */ 1132 if (radeon_boot_test_post_card(rdev) == false) 1133 return -EINVAL; 1134 1135 /* Initialize clocks */ 1136 radeon_get_clock_info(rdev->ddev); 1137 /* initialize memory controller */ 1138 rs600_mc_init(rdev); 1139 r100_debugfs_rbbm_init(rdev); 1140 /* Fence driver */ 1141 radeon_fence_driver_init(rdev); 1142 /* Memory manager */ 1143 r = radeon_bo_init(rdev); 1144 if (r) 1145 return r; 1146 r = rs600_gart_init(rdev); 1147 if (r) 1148 return r; 1149 rs600_set_safe_registers(rdev); 1150 1151 /* Initialize power management */ 1152 radeon_pm_init(rdev); 1153 1154 rdev->accel_working = true; 1155 r = rs600_startup(rdev); 1156 if (r) { 1157 /* Somethings want wront with the accel init stop accel */ 1158 dev_err(rdev->dev, "Disabling GPU acceleration\n"); 1159 r100_cp_fini(rdev); 1160 radeon_wb_fini(rdev); 1161 radeon_ib_pool_fini(rdev); 1162 rs600_gart_fini(rdev); 1163 radeon_irq_kms_fini(rdev); 1164 rdev->accel_working = false; 1165 } 1166 return 0; 1167 } 1168