drivers/gpu/drm/radeon/rs600.c

   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 #include "drmP.h"
  39 #include "radeon.h"
  40 #include "radeon_asic.h"
  41 #include "atom.h"
  42 #include "rs600d.h"
  43
  44 #include "rs600_reg_safe.h"
  45
  46 void rs600_gpu_init(struct radeon_device *rdev);
  47 int rs600_mc_wait_for_idle(struct radeon_device *rdev);
  48
  49 /* hpd for digital panel detect/disconnect */
  50 bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
  51 {
  52         u32 tmp;
  53         bool connected = false;
  54
  55         switch (hpd) {
  56         case RADEON_HPD_1:
  57                 tmp = RREG32(R_007D04_DC_HOT_PLUG_DETECT1_INT_STATUS);
  58                 if (G_007D04_DC_HOT_PLUG_DETECT1_SENSE(tmp))
  59                         connected = true;
  60                 break;
  61         case RADEON_HPD_2:
  62                 tmp = RREG32(R_007D14_DC_HOT_PLUG_DETECT2_INT_STATUS);
  63                 if (G_007D14_DC_HOT_PLUG_DETECT2_SENSE(tmp))
  64                         connected = true;
  65                 break;
  66         default:
  67                 break;
  68         }
  69         return connected;
  70 }
  71
  72 void rs600_hpd_set_polarity(struct radeon_device *rdev,
  73                             enum radeon_hpd_id hpd)
  74 {
  75         u32 tmp;
  76         bool connected = rs600_hpd_sense(rdev, hpd);
  77
  78         switch (hpd) {
  79         case RADEON_HPD_1:
  80                 tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
  81                 if (connected)
  82                         tmp &= ~S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
  83                 else
  84                         tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_POLARITY(1);
  85                 WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
  86                 break;
  87         case RADEON_HPD_2:
  88                 tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
  89                 if (connected)
  90                         tmp &= ~S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
  91                 else
  92                         tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_POLARITY(1);
  93                 WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
  94                 break;
  95         default:
  96                 break;
  97         }
  98 }
  99
 100 void rs600_hpd_init(struct radeon_device *rdev)
 101 {
 102         struct drm_device *dev = rdev->ddev;
 103         struct drm_connector *connector;
 104
 105         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 106                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 107                 switch (radeon_connector->hpd.hpd) {
 108                 case RADEON_HPD_1:
 109                         WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 110                                S_007D00_DC_HOT_PLUG_DETECT1_EN(1));
 111                         rdev->irq.hpd[0] = true;
 112                         break;
 113                 case RADEON_HPD_2:
 114                         WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 115                                S_007D10_DC_HOT_PLUG_DETECT2_EN(1));
 116                         rdev->irq.hpd[1] = true;
 117                         break;
 118                 default:
 119                         break;
 120                 }
 121         }
 122         if (rdev->irq.installed)
 123                 rs600_irq_set(rdev);
 124 }
 125
 126 void rs600_hpd_fini(struct radeon_device *rdev)
 127 {
 128         struct drm_device *dev = rdev->ddev;
 129         struct drm_connector *connector;
 130
 131         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 132                 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 133                 switch (radeon_connector->hpd.hpd) {
 134                 case RADEON_HPD_1:
 135                         WREG32(R_007D00_DC_HOT_PLUG_DETECT1_CONTROL,
 136                                S_007D00_DC_HOT_PLUG_DETECT1_EN(0));
 137                         rdev->irq.hpd[0] = false;
 138                         break;
 139                 case RADEON_HPD_2:
 140                         WREG32(R_007D10_DC_HOT_PLUG_DETECT2_CONTROL,
 141                                S_007D10_DC_HOT_PLUG_DETECT2_EN(0));
 142                         rdev->irq.hpd[1] = false;
 143                         break;
 144                 default:
 145                         break;
 146                 }
 147         }
 148 }
 149
 150 /*
 151  * GART.
 152  */
 153 void rs600_gart_tlb_flush(struct radeon_device *rdev)
 154 {
 155         uint32_t tmp;
 156
 157         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 158         tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 159         WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 160
 161         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 162         tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1);
 163         WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 164
 165         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 166         tmp &= C_000100_INVALIDATE_ALL_L1_TLBS & C_000100_INVALIDATE_L2_CACHE;
 167         WREG32_MC(R_000100_MC_PT0_CNTL, tmp);
 168         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 169 }
 170
 171 int rs600_gart_init(struct radeon_device *rdev)
 172 {
 173         int r;
 174
 175         if (rdev->gart.table.vram.robj) {
 176                 WARN(1, "RS600 GART already initialized.\n");
 177                 return 0;
 178         }
 179         /* Initialize common gart structure */
 180         r = radeon_gart_init(rdev);
 181         if (r) {
 182                 return r;
 183         }
 184         rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
 185         return radeon_gart_table_vram_alloc(rdev);
 186 }
 187
 188 int rs600_gart_enable(struct radeon_device *rdev)
 189 {
 190         u32 tmp;
 191         int r, i;
 192
 193         if (rdev->gart.table.vram.robj == NULL) {
 194                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 195                 return -EINVAL;
 196         }
 197         r = radeon_gart_table_vram_pin(rdev);
 198         if (r)
 199                 return r;
 200         radeon_gart_restore(rdev);
 201         /* Enable bus master */
 202         tmp = RREG32(R_00004C_BUS_CNTL) & C_00004C_BUS_MASTER_DIS;
 203         WREG32(R_00004C_BUS_CNTL, tmp);
 204         /* FIXME: setup default page */
 205         WREG32_MC(R_000100_MC_PT0_CNTL,
 206                   (S_000100_EFFECTIVE_L2_CACHE_SIZE(6) |
 207                    S_000100_EFFECTIVE_L2_QUEUE_SIZE(6)));
 208
 209         for (i = 0; i < 19; i++) {
 210                 WREG32_MC(R_00016C_MC_PT0_CLIENT0_CNTL + i,
 211                           S_00016C_ENABLE_TRANSLATION_MODE_OVERRIDE(1) |
 212                           S_00016C_SYSTEM_ACCESS_MODE_MASK(
 213                                   V_00016C_SYSTEM_ACCESS_MODE_NOT_IN_SYS) |
 214                           S_00016C_SYSTEM_APERTURE_UNMAPPED_ACCESS(
 215                                   V_00016C_SYSTEM_APERTURE_UNMAPPED_PASSTHROUGH) |
 216                           S_00016C_EFFECTIVE_L1_CACHE_SIZE(3) |
 217                           S_00016C_ENABLE_FRAGMENT_PROCESSING(1) |
 218                           S_00016C_EFFECTIVE_L1_QUEUE_SIZE(3));
 219         }
 220         /* enable first context */
 221         WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL,
 222                   S_000102_ENABLE_PAGE_TABLE(1) |
 223                   S_000102_PAGE_TABLE_DEPTH(V_000102_PAGE_TABLE_FLAT));
 224
 225         /* disable all other contexts */
 226         for (i = 1; i < 8; i++)
 227                 WREG32_MC(R_000102_MC_PT0_CONTEXT0_CNTL + i, 0);
 228
 229         /* setup the page table */
 230         WREG32_MC(R_00012C_MC_PT0_CONTEXT0_FLAT_BASE_ADDR,
 231                   rdev->gart.table_addr);
 232         WREG32_MC(R_00013C_MC_PT0_CONTEXT0_FLAT_START_ADDR, rdev->mc.gtt_start);
 233         WREG32_MC(R_00014C_MC_PT0_CONTEXT0_FLAT_END_ADDR, rdev->mc.gtt_end);
 234         WREG32_MC(R_00011C_MC_PT0_CONTEXT0_DEFAULT_READ_ADDR, 0);
 235
 236         /* System context maps to VRAM space */
 237         WREG32_MC(R_000112_MC_PT0_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start);
 238         WREG32_MC(R_000114_MC_PT0_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end);
 239
 240         /* enable page tables */
 241         tmp = RREG32_MC(R_000100_MC_PT0_CNTL);
 242         WREG32_MC(R_000100_MC_PT0_CNTL, (tmp | S_000100_ENABLE_PT(1)));
 243         tmp = RREG32_MC(R_000009_MC_CNTL1);
 244         WREG32_MC(R_000009_MC_CNTL1, (tmp | S_000009_ENABLE_PAGE_TABLES(1)));
 245         rs600_gart_tlb_flush(rdev);
 246         rdev->gart.ready = true;
 247         return 0;
 248 }
 249
 250 void rs600_gart_disable(struct radeon_device *rdev)
 251 {
 252         u32 tmp;
 253         int r;
 254
 255         /* FIXME: disable out of gart access */
 256         WREG32_MC(R_000100_MC_PT0_CNTL, 0);
 257         tmp = RREG32_MC(R_000009_MC_CNTL1);
 258         WREG32_MC(R_000009_MC_CNTL1, tmp & C_000009_ENABLE_PAGE_TABLES);
 259         if (rdev->gart.table.vram.robj) {
 260                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
 261                 if (r == 0) {
 262                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
 263                         radeon_bo_unpin(rdev->gart.table.vram.robj);
 264                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
 265                 }
 266         }
 267 }
 268
 269 void rs600_gart_fini(struct radeon_device *rdev)
 270 {
 271         radeon_gart_fini(rdev);
 272         rs600_gart_disable(rdev);
 273         radeon_gart_table_vram_free(rdev);
 274 }
 275
 276 #define R600_PTE_VALID     (1 << 0)
 277 #define R600_PTE_SYSTEM    (1 << 1)
 278 #define R600_PTE_SNOOPED   (1 << 2)
 279 #define R600_PTE_READABLE  (1 << 5)
 280 #define R600_PTE_WRITEABLE (1 << 6)
 281
 282 int rs600_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 283 {
 284         void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
 285
 286         if (i < 0 || i > rdev->gart.num_gpu_pages) {
 287                 return -EINVAL;
 288         }
 289         addr = addr & 0xFFFFFFFFFFFFF000ULL;
 290         addr |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED;
 291         addr |= R600_PTE_READABLE | R600_PTE_WRITEABLE;
 292         writeq(addr, ((void __iomem *)ptr) + (i * 8));
 293         return 0;
 294 }
 295
 296 int rs600_irq_set(struct radeon_device *rdev)
 297 {
 298         uint32_t tmp = 0;
 299         uint32_t mode_int = 0;
 300         u32 hpd1 = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL) &
 301                 ~S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 302         u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) &
 303                 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 304
 305         if (!rdev->irq.installed) {
 306                 WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
 307                 WREG32(R_000040_GEN_INT_CNTL, 0);
 308                 return -EINVAL;
 309         }
 310         if (rdev->irq.sw_int) {
 311                 tmp |= S_000040_SW_INT_EN(1);
 312         }
 313         if (rdev->irq.crtc_vblank_int[0]) {
 314                 mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1);
 315         }
 316         if (rdev->irq.crtc_vblank_int[1]) {
 317                 mode_int |= S_006540_D2MODE_VBLANK_INT_MASK(1);
 318         }
 319         if (rdev->irq.hpd[0]) {
 320                 hpd1 |= S_007D08_DC_HOT_PLUG_DETECT1_INT_EN(1);
 321         }
 322         if (rdev->irq.hpd[1]) {
 323                 hpd2 |= S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 324         }
 325         WREG32(R_000040_GEN_INT_CNTL, tmp);
 326         WREG32(R_006540_DxMODE_INT_MASK, mode_int);
 327         WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
 328         WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
 329         return 0;
 330 }
 331
 332 static inline uint32_t rs600_irq_ack(struct radeon_device *rdev, u32 *r500_disp_int)
 333 {
 334         uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS);
 335         uint32_t irq_mask = ~C_000044_SW_INT;
 336         u32 tmp;
 337
 338         if (G_000044_DISPLAY_INT_STAT(irqs)) {
 339                 *r500_disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS);
 340                 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(*r500_disp_int)) {
 341                         WREG32(R_006534_D1MODE_VBLANK_STATUS,
 342                                 S_006534_D1MODE_VBLANK_ACK(1));
 343                 }
 344                 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(*r500_disp_int)) {
 345                         WREG32(R_006D34_D2MODE_VBLANK_STATUS,
 346                                 S_006D34_D2MODE_VBLANK_ACK(1));
 347                 }
 348                 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(*r500_disp_int)) {
 349                         tmp = RREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL);
 350                         tmp |= S_007D08_DC_HOT_PLUG_DETECT1_INT_ACK(1);
 351                         WREG32(R_007D08_DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 352                 }
 353                 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(*r500_disp_int)) {
 354                         tmp = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL);
 355                         tmp |= S_007D18_DC_HOT_PLUG_DETECT2_INT_ACK(1);
 356                         WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 357                 }
 358         } else {
 359                 *r500_disp_int = 0;
 360         }
 361
 362         if (irqs) {
 363                 WREG32(R_000044_GEN_INT_STATUS, irqs);
 364         }
 365         return irqs & irq_mask;
 366 }
 367
 368 void rs600_irq_disable(struct radeon_device *rdev)
 369 {
 370         u32 tmp;
 371
 372         WREG32(R_000040_GEN_INT_CNTL, 0);
 373         WREG32(R_006540_DxMODE_INT_MASK, 0);
 374         /* Wait and acknowledge irq */
 375         mdelay(1);
 376         rs600_irq_ack(rdev, &tmp);
 377 }
 378
 379 int rs600_irq_process(struct radeon_device *rdev)
 380 {
 381         uint32_t status, msi_rearm;
 382         uint32_t r500_disp_int;
 383         bool queue_hotplug = false;
 384
 385         status = rs600_irq_ack(rdev, &r500_disp_int);
 386         if (!status && !r500_disp_int) {
 387                 return IRQ_NONE;
 388         }
 389         while (status || r500_disp_int) {
 390                 /* SW interrupt */
 391                 if (G_000044_SW_INT(status))
 392                         radeon_fence_process(rdev);
 393                 /* Vertical blank interrupts */
 394                 if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int)) {
 395                         drm_handle_vblank(rdev->ddev, 0);
 396                         rdev->pm.vblank_sync = true;
 397                         wake_up(&rdev->irq.vblank_queue);
 398                 }
 399                 if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int)) {
 400                         drm_handle_vblank(rdev->ddev, 1);
 401                         rdev->pm.vblank_sync = true;
 402                         wake_up(&rdev->irq.vblank_queue);
 403                 }
 404                 if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(r500_disp_int)) {
 405                         queue_hotplug = true;
 406                         DRM_DEBUG("HPD1\n");
 407                 }
 408                 if (G_007EDC_DC_HOT_PLUG_DETECT2_INTERRUPT(r500_disp_int)) {
 409                         queue_hotplug = true;
 410                         DRM_DEBUG("HPD2\n");
 411                 }
 412                 status = rs600_irq_ack(rdev, &r500_disp_int);
 413         }
 414         if (queue_hotplug)
 415                 queue_work(rdev->wq, &rdev->hotplug_work);
 416         if (rdev->msi_enabled) {
 417                 switch (rdev->family) {
 418                 case CHIP_RS600:
 419                 case CHIP_RS690:
 420                 case CHIP_RS740:
 421                         msi_rearm = RREG32(RADEON_BUS_CNTL) & ~RS600_MSI_REARM;
 422                         WREG32(RADEON_BUS_CNTL, msi_rearm);
 423                         WREG32(RADEON_BUS_CNTL, msi_rearm | RS600_MSI_REARM);
 424                         break;
 425                 default:
 426                         msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
 427                         WREG32(RADEON_MSI_REARM_EN, msi_rearm);
 428                         WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
 429                         break;
 430                 }
 431         }
 432         return IRQ_HANDLED;
 433 }
 434
 435 u32 rs600_get_vblank_counter(struct radeon_device *rdev, int crtc)
 436 {
 437         if (crtc == 0)
 438                 return RREG32(R_0060A4_D1CRTC_STATUS_FRAME_COUNT);
 439         else
 440                 return RREG32(R_0068A4_D2CRTC_STATUS_FRAME_COUNT);
 441 }
 442
 443 int rs600_mc_wait_for_idle(struct radeon_device *rdev)
 444 {
 445         unsigned i;
 446
 447         for (i = 0; i < rdev->usec_timeout; i++) {
 448                 if (G_000000_MC_IDLE(RREG32_MC(R_000000_MC_STATUS)))
 449                         return 0;
 450                 udelay(1);
 451         }
 452         return -1;
 453 }
 454
 455 void rs600_gpu_init(struct radeon_device *rdev)
 456 {
 457         r100_hdp_reset(rdev);
 458         r420_pipes_init(rdev);
 459         /* Wait for mc idle */
 460         if (rs600_mc_wait_for_idle(rdev))
 461                 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 462 }
 463
 464 void rs600_mc_init(struct radeon_device *rdev)
 465 {
 466         u64 base;
 467
 468         rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
 469         rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
 470         rdev->mc.vram_is_ddr = true;
 471         rdev->mc.vram_width = 128;
 472         rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
 473         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 474         rdev->mc.visible_vram_size = rdev->mc.aper_size;
 475         rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
 476         base = RREG32_MC(R_000004_MC_FB_LOCATION);
 477         base = G_000004_MC_FB_START(base) << 16;
 478         rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
 479         radeon_vram_location(rdev, &rdev->mc, base);
 480         radeon_gtt_location(rdev, &rdev->mc);
 481         radeon_update_bandwidth_info(rdev);
 482 }
 483
 484 void rs600_bandwidth_update(struct radeon_device *rdev)
 485 {
 486         struct drm_display_mode *mode0 = NULL;
 487         struct drm_display_mode *mode1 = NULL;
 488         u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
 489         /* FIXME: implement full support */
 490
 491         radeon_update_display_priority(rdev);
 492
 493         if (rdev->mode_info.crtcs[0]->base.enabled)
 494                 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
 495         if (rdev->mode_info.crtcs[1]->base.enabled)
 496                 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
 497
 498         rs690_line_buffer_adjust(rdev, mode0, mode1);
 499
 500         if (rdev->disp_priority == 2) {
 501                 d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
 502                 d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
 503                 d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
 504                 d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
 505                 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
 506                 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
 507                 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
 508                 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 509         }
 510 }
 511
 512 uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
 513 {
 514         WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 515                 S_000070_MC_IND_CITF_ARB0(1));
 516         return RREG32(R_000074_MC_IND_DATA);
 517 }
 518
 519 void rs600_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 520 {
 521         WREG32(R_000070_MC_IND_INDEX, S_000070_MC_IND_ADDR(reg) |
 522                 S_000070_MC_IND_CITF_ARB0(1) | S_000070_MC_IND_WR_EN(1));
 523         WREG32(R_000074_MC_IND_DATA, v);
 524 }
 525
 526 void rs600_debugfs(struct radeon_device *rdev)
 527 {
 528         if (r100_debugfs_rbbm_init(rdev))
 529                 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
 530 }
 531
 532 void rs600_set_safe_registers(struct radeon_device *rdev)
 533 {
 534         rdev->config.r300.reg_safe_bm = rs600_reg_safe_bm;
 535         rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rs600_reg_safe_bm);
 536 }
 537
 538 static void rs600_mc_program(struct radeon_device *rdev)
 539 {
 540         struct rv515_mc_save save;
 541
 542         /* Stops all mc clients */
 543         rv515_mc_stop(rdev, &save);
 544
 545         /* Wait for mc idle */
 546         if (rs600_mc_wait_for_idle(rdev))
 547                 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 548
 549         /* FIXME: What does AGP means for such chipset ? */
 550         WREG32_MC(R_000005_MC_AGP_LOCATION, 0x0FFFFFFF);
 551         WREG32_MC(R_000006_AGP_BASE, 0);
 552         WREG32_MC(R_000007_AGP_BASE_2, 0);
 553         /* Program MC */
 554         WREG32_MC(R_000004_MC_FB_LOCATION,
 555                         S_000004_MC_FB_START(rdev->mc.vram_start >> 16) |
 556                         S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
 557         WREG32(R_000134_HDP_FB_LOCATION,
 558                 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
 559
 560         rv515_mc_resume(rdev, &save);
 561 }
 562
 563 static int rs600_startup(struct radeon_device *rdev)
 564 {
 565         int r;
 566
 567         rs600_mc_program(rdev);
 568         /* Resume clock */
 569         rv515_clock_startup(rdev);
 570         /* Initialize GPU configuration (# pipes, ...) */
 571         rs600_gpu_init(rdev);
 572         /* Initialize GART (initialize after TTM so we can allocate
 573          * memory through TTM but finalize after TTM) */
 574         r = rs600_gart_enable(rdev);
 575         if (r)
 576                 return r;
 577         /* Enable IRQ */
 578         rs600_irq_set(rdev);
 579         rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
 580         /* 1M ring buffer */
 581         r = r100_cp_init(rdev, 1024 * 1024);
 582         if (r) {
 583                 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
 584                 return r;
 585         }
 586         r = r100_wb_init(rdev);
 587         if (r)
 588                 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
 589         r = r100_ib_init(rdev);
 590         if (r) {
 591                 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
 592                 return r;
 593         }
 594         return 0;
 595 }
 596
 597 int rs600_resume(struct radeon_device *rdev)
 598 {
 599         /* Make sur GART are not working */
 600         rs600_gart_disable(rdev);
 601         /* Resume clock before doing reset */
 602         rv515_clock_startup(rdev);
 603         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 604         if (radeon_gpu_reset(rdev)) {
 605                 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 606                         RREG32(R_000E40_RBBM_STATUS),
 607                         RREG32(R_0007C0_CP_STAT));
 608         }
 609         /* post */
 610         atom_asic_init(rdev->mode_info.atom_context);
 611         /* Resume clock after posting */
 612         rv515_clock_startup(rdev);
 613         /* Initialize surface registers */
 614         radeon_surface_init(rdev);
 615         return rs600_startup(rdev);
 616 }
 617
 618 int rs600_suspend(struct radeon_device *rdev)
 619 {
 620         r100_cp_disable(rdev);
 621         r100_wb_disable(rdev);
 622         rs600_irq_disable(rdev);
 623         rs600_gart_disable(rdev);
 624         return 0;
 625 }
 626
 627 void rs600_fini(struct radeon_device *rdev)
 628 {
 629         radeon_pm_fini(rdev);
 630         r100_cp_fini(rdev);
 631         r100_wb_fini(rdev);
 632         r100_ib_fini(rdev);
 633         radeon_gem_fini(rdev);
 634         rs600_gart_fini(rdev);
 635         radeon_irq_kms_fini(rdev);
 636         radeon_fence_driver_fini(rdev);
 637         radeon_bo_fini(rdev);
 638         radeon_atombios_fini(rdev);
 639         kfree(rdev->bios);
 640         rdev->bios = NULL;
 641 }
 642
 643 int rs600_init(struct radeon_device *rdev)
 644 {
 645         int r;
 646
 647         /* Disable VGA */
 648         rv515_vga_render_disable(rdev);
 649         /* Initialize scratch registers */
 650         radeon_scratch_init(rdev);
 651         /* Initialize surface registers */
 652         radeon_surface_init(rdev);
 653         /* BIOS */
 654         if (!radeon_get_bios(rdev)) {
 655                 if (ASIC_IS_AVIVO(rdev))
 656                         return -EINVAL;
 657         }
 658         if (rdev->is_atom_bios) {
 659                 r = radeon_atombios_init(rdev);
 660                 if (r)
 661                         return r;
 662         } else {
 663                 dev_err(rdev->dev, "Expecting atombios for RS600 GPU\n");
 664                 return -EINVAL;
 665         }
 666         /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 667         if (radeon_gpu_reset(rdev)) {
 668                 dev_warn(rdev->dev,
 669                         "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
 670                         RREG32(R_000E40_RBBM_STATUS),
 671                         RREG32(R_0007C0_CP_STAT));
 672         }
 673         /* check if cards are posted or not */
 674         if (radeon_boot_test_post_card(rdev) == false)
 675                 return -EINVAL;
 676
 677         /* Initialize clocks */
 678         radeon_get_clock_info(rdev->ddev);
 679         /* Initialize power management */
 680         radeon_pm_init(rdev);
 681         /* initialize memory controller */
 682         rs600_mc_init(rdev);
 683         rs600_debugfs(rdev);
 684         /* Fence driver */
 685         r = radeon_fence_driver_init(rdev);
 686         if (r)
 687                 return r;
 688         r = radeon_irq_kms_init(rdev);
 689         if (r)
 690                 return r;
 691         /* Memory manager */
 692         r = radeon_bo_init(rdev);
 693         if (r)
 694                 return r;
 695         r = rs600_gart_init(rdev);
 696         if (r)
 697                 return r;
 698         rs600_set_safe_registers(rdev);
 699         rdev->accel_working = true;
 700         r = rs600_startup(rdev);
 701         if (r) {
 702                 /* Somethings want wront with the accel init stop accel */
 703                 dev_err(rdev->dev, "Disabling GPU acceleration\n");
 704                 r100_cp_fini(rdev);
 705                 r100_wb_fini(rdev);
 706                 r100_ib_fini(rdev);
 707                 rs600_gart_fini(rdev);
 708                 radeon_irq_kms_fini(rdev);
 709                 rdev->accel_working = false;
 710         }
 711         return 0;
 712 }