drivers/gpu/drm/radeon/evergreen.c

   1 /*
   2  * Copyright 2010 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Alex Deucher
  23  */
  24 #include <linux/firmware.h>
  25 #include <linux/platform_device.h>
  26 #include "drmP.h"
  27 #include "radeon.h"
  28 #include "radeon_asic.h"
  29 #include "radeon_drm.h"
  30 #include "rv770d.h"
  31 #include "atom.h"
  32 #include "avivod.h"
  33 #include "evergreen_reg.h"
  34
  35 static void evergreen_gpu_init(struct radeon_device *rdev);
  36 void evergreen_fini(struct radeon_device *rdev);
  37
  38 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
  39 {
  40         bool connected = false;
  41         /* XXX */
  42         return connected;
  43 }
  44
  45 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
  46                                 enum radeon_hpd_id hpd)
  47 {
  48         /* XXX */
  49 }
  50
  51 void evergreen_hpd_init(struct radeon_device *rdev)
  52 {
  53         /* XXX */
  54 }
  55
  56
  57 void evergreen_bandwidth_update(struct radeon_device *rdev)
  58 {
  59         /* XXX */
  60 }
  61
  62 void evergreen_hpd_fini(struct radeon_device *rdev)
  63 {
  64         /* XXX */
  65 }
  66
  67 static int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
  68 {
  69         unsigned i;
  70         u32 tmp;
  71
  72         for (i = 0; i < rdev->usec_timeout; i++) {
  73                 /* read MC_STATUS */
  74                 tmp = RREG32(SRBM_STATUS) & 0x1F00;
  75                 if (!tmp)
  76                         return 0;
  77                 udelay(1);
  78         }
  79         return -1;
  80 }
  81
  82 /*
  83  * GART
  84  */
  85 int evergreen_pcie_gart_enable(struct radeon_device *rdev)
  86 {
  87         u32 tmp;
  88         int r, i;
  89
  90         if (rdev->gart.table.vram.robj == NULL) {
  91                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
  92                 return -EINVAL;
  93         }
  94         r = radeon_gart_table_vram_pin(rdev);
  95         if (r)
  96                 return r;
  97         radeon_gart_restore(rdev);
  98         /* Setup L2 cache */
  99         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 100                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 101                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 102         WREG32(VM_L2_CNTL2, 0);
 103         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 104         /* Setup TLB control */
 105         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 106                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 107                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 108                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 109         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 110         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 111         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 112         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 113         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 114         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 115         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 116         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 117         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 118         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 119         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 120                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 121         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 122                         (u32)(rdev->dummy_page.addr >> 12));
 123         for (i = 1; i < 7; i++)
 124                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 125
 126         r600_pcie_gart_tlb_flush(rdev);
 127         rdev->gart.ready = true;
 128         return 0;
 129 }
 130
 131 void evergreen_pcie_gart_disable(struct radeon_device *rdev)
 132 {
 133         u32 tmp;
 134         int i, r;
 135
 136         /* Disable all tables */
 137         for (i = 0; i < 7; i++)
 138                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 139
 140         /* Setup L2 cache */
 141         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
 142                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 143         WREG32(VM_L2_CNTL2, 0);
 144         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 145         /* Setup TLB control */
 146         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 147         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 148         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 149         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 150         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 151         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 152         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 153         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 154         if (rdev->gart.table.vram.robj) {
 155                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
 156                 if (likely(r == 0)) {
 157                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
 158                         radeon_bo_unpin(rdev->gart.table.vram.robj);
 159                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
 160                 }
 161         }
 162 }
 163
 164 void evergreen_pcie_gart_fini(struct radeon_device *rdev)
 165 {
 166         evergreen_pcie_gart_disable(rdev);
 167         radeon_gart_table_vram_free(rdev);
 168         radeon_gart_fini(rdev);
 169 }
 170
 171
 172 void evergreen_agp_enable(struct radeon_device *rdev)
 173 {
 174         u32 tmp;
 175         int i;
 176
 177         /* Setup L2 cache */
 178         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 179                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 180                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 181         WREG32(VM_L2_CNTL2, 0);
 182         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 183         /* Setup TLB control */
 184         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 185                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 186                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 187                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 188         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 189         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 190         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 191         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 192         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 193         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 194         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 195         for (i = 0; i < 7; i++)
 196                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 197 }
 198
 199 static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 200 {
 201         save->vga_control[0] = RREG32(D1VGA_CONTROL);
 202         save->vga_control[1] = RREG32(D2VGA_CONTROL);
 203         save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
 204         save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
 205         save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
 206         save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
 207         save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
 208         save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
 209         save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
 210         save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
 211         save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
 212         save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
 213         save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
 214         save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
 215
 216         /* Stop all video */
 217         WREG32(VGA_RENDER_CONTROL, 0);
 218         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 219         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 220         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 221         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 222         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 223         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 224         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 225         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 226         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 227         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 228         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 229         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 230         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 231         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 232         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 233         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 234         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 235         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 236
 237         WREG32(D1VGA_CONTROL, 0);
 238         WREG32(D2VGA_CONTROL, 0);
 239         WREG32(EVERGREEN_D3VGA_CONTROL, 0);
 240         WREG32(EVERGREEN_D4VGA_CONTROL, 0);
 241         WREG32(EVERGREEN_D5VGA_CONTROL, 0);
 242         WREG32(EVERGREEN_D6VGA_CONTROL, 0);
 243 }
 244
 245 static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
 246 {
 247         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 248                upper_32_bits(rdev->mc.vram_start));
 249         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 250                upper_32_bits(rdev->mc.vram_start));
 251         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 252                (u32)rdev->mc.vram_start);
 253         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 254                (u32)rdev->mc.vram_start);
 255
 256         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 257                upper_32_bits(rdev->mc.vram_start));
 258         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 259                upper_32_bits(rdev->mc.vram_start));
 260         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 261                (u32)rdev->mc.vram_start);
 262         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 263                (u32)rdev->mc.vram_start);
 264
 265         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 266                upper_32_bits(rdev->mc.vram_start));
 267         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 268                upper_32_bits(rdev->mc.vram_start));
 269         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 270                (u32)rdev->mc.vram_start);
 271         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 272                (u32)rdev->mc.vram_start);
 273
 274         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 275                upper_32_bits(rdev->mc.vram_start));
 276         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 277                upper_32_bits(rdev->mc.vram_start));
 278         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 279                (u32)rdev->mc.vram_start);
 280         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 281                (u32)rdev->mc.vram_start);
 282
 283         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 284                upper_32_bits(rdev->mc.vram_start));
 285         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 286                upper_32_bits(rdev->mc.vram_start));
 287         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 288                (u32)rdev->mc.vram_start);
 289         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 290                (u32)rdev->mc.vram_start);
 291
 292         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 293                upper_32_bits(rdev->mc.vram_start));
 294         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 295                upper_32_bits(rdev->mc.vram_start));
 296         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 297                (u32)rdev->mc.vram_start);
 298         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 299                (u32)rdev->mc.vram_start);
 300
 301         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
 302         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
 303         /* Unlock host access */
 304         WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
 305         mdelay(1);
 306         /* Restore video state */
 307         WREG32(D1VGA_CONTROL, save->vga_control[0]);
 308         WREG32(D2VGA_CONTROL, save->vga_control[1]);
 309         WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
 310         WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
 311         WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
 312         WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
 313         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 314         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 315         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 316         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 317         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 318         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 319         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
 320         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
 321         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
 322         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
 323         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
 324         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
 325         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 326         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 327         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 328         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 329         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 330         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 331         WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
 332 }
 333
 334 static void evergreen_mc_program(struct radeon_device *rdev)
 335 {
 336         struct evergreen_mc_save save;
 337         u32 tmp;
 338         int i, j;
 339
 340         /* Initialize HDP */
 341         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 342                 WREG32((0x2c14 + j), 0x00000000);
 343                 WREG32((0x2c18 + j), 0x00000000);
 344                 WREG32((0x2c1c + j), 0x00000000);
 345                 WREG32((0x2c20 + j), 0x00000000);
 346                 WREG32((0x2c24 + j), 0x00000000);
 347         }
 348         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
 349
 350         evergreen_mc_stop(rdev, &save);
 351         if (evergreen_mc_wait_for_idle(rdev)) {
 352                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 353         }
 354         /* Lockout access through VGA aperture*/
 355         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
 356         /* Update configuration */
 357         if (rdev->flags & RADEON_IS_AGP) {
 358                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
 359                         /* VRAM before AGP */
 360                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 361                                 rdev->mc.vram_start >> 12);
 362                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 363                                 rdev->mc.gtt_end >> 12);
 364                 } else {
 365                         /* VRAM after AGP */
 366                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 367                                 rdev->mc.gtt_start >> 12);
 368                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 369                                 rdev->mc.vram_end >> 12);
 370                 }
 371         } else {
 372                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 373                         rdev->mc.vram_start >> 12);
 374                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 375                         rdev->mc.vram_end >> 12);
 376         }
 377         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
 378         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
 379         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
 380         WREG32(MC_VM_FB_LOCATION, tmp);
 381         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
 382         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
 383         WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
 384         if (rdev->flags & RADEON_IS_AGP) {
 385                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
 386                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
 387                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
 388         } else {
 389                 WREG32(MC_VM_AGP_BASE, 0);
 390                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
 391                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
 392         }
 393         if (evergreen_mc_wait_for_idle(rdev)) {
 394                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 395         }
 396         evergreen_mc_resume(rdev, &save);
 397         /* we need to own VRAM, so turn off the VGA renderer here
 398          * to stop it overwriting our objects */
 399         rv515_vga_render_disable(rdev);
 400 }
 401
 402 #if 0
 403 /*
 404  * CP.
 405  */
 406 static void evergreen_cp_stop(struct radeon_device *rdev)
 407 {
 408         /* XXX */
 409 }
 410
 411
 412 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
 413 {
 414         /* XXX */
 415
 416         return 0;
 417 }
 418
 419
 420 /*
 421  * Core functions
 422  */
 423 static u32 evergreen_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 424                                                   u32 num_backends,
 425                                                   u32 backend_disable_mask)
 426 {
 427         u32 backend_map = 0;
 428
 429         return backend_map;
 430 }
 431 #endif
 432
 433 static void evergreen_gpu_init(struct radeon_device *rdev)
 434 {
 435         /* XXX */
 436 }
 437
 438 int evergreen_mc_init(struct radeon_device *rdev)
 439 {
 440         u32 tmp;
 441         int chansize, numchan;
 442
 443         /* Get VRAM informations */
 444         rdev->mc.vram_is_ddr = true;
 445         tmp = RREG32(MC_ARB_RAMCFG);
 446         if (tmp & CHANSIZE_OVERRIDE) {
 447                 chansize = 16;
 448         } else if (tmp & CHANSIZE_MASK) {
 449                 chansize = 64;
 450         } else {
 451                 chansize = 32;
 452         }
 453         tmp = RREG32(MC_SHARED_CHMAP);
 454         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
 455         case 0:
 456         default:
 457                 numchan = 1;
 458                 break;
 459         case 1:
 460                 numchan = 2;
 461                 break;
 462         case 2:
 463                 numchan = 4;
 464                 break;
 465         case 3:
 466                 numchan = 8;
 467                 break;
 468         }
 469         rdev->mc.vram_width = numchan * chansize;
 470         /* Could aper size report 0 ? */
 471         rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
 472         rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
 473         /* Setup GPU memory space */
 474         /* size in MB on evergreen */
 475         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
 476         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
 477         rdev->mc.visible_vram_size = rdev->mc.aper_size;
 478         /* FIXME remove this once we support unmappable VRAM */
 479         if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
 480                 rdev->mc.mc_vram_size = rdev->mc.aper_size;
 481                 rdev->mc.real_vram_size = rdev->mc.aper_size;
 482         }
 483         r600_vram_gtt_location(rdev, &rdev->mc);
 484         radeon_update_bandwidth_info(rdev);
 485
 486         return 0;
 487 }
 488
 489 int evergreen_gpu_reset(struct radeon_device *rdev)
 490 {
 491         /* FIXME: implement for evergreen */
 492         return 0;
 493 }
 494
 495 static int evergreen_startup(struct radeon_device *rdev)
 496 {
 497 #if 0
 498         int r;
 499
 500         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
 501                 r = r600_init_microcode(rdev);
 502                 if (r) {
 503                         DRM_ERROR("Failed to load firmware!\n");
 504                         return r;
 505                 }
 506         }
 507 #endif
 508         evergreen_mc_program(rdev);
 509 #if 0
 510         if (rdev->flags & RADEON_IS_AGP) {
 511                 evergreem_agp_enable(rdev);
 512         } else {
 513                 r = evergreen_pcie_gart_enable(rdev);
 514                 if (r)
 515                         return r;
 516         }
 517 #endif
 518         evergreen_gpu_init(rdev);
 519 #if 0
 520         if (!rdev->r600_blit.shader_obj) {
 521                 r = r600_blit_init(rdev);
 522                 if (r) {
 523                         DRM_ERROR("radeon: failed blitter (%d).\n", r);
 524                         return r;
 525                 }
 526         }
 527
 528         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
 529         if (unlikely(r != 0))
 530                 return r;
 531         r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
 532                         &rdev->r600_blit.shader_gpu_addr);
 533         radeon_bo_unreserve(rdev->r600_blit.shader_obj);
 534         if (r) {
 535                 DRM_ERROR("failed to pin blit object %d\n", r);
 536                 return r;
 537         }
 538
 539         /* Enable IRQ */
 540         r = r600_irq_init(rdev);
 541         if (r) {
 542                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
 543                 radeon_irq_kms_fini(rdev);
 544                 return r;
 545         }
 546         r600_irq_set(rdev);
 547
 548         r = radeon_ring_init(rdev, rdev->cp.ring_size);
 549         if (r)
 550                 return r;
 551         r = evergreen_cp_load_microcode(rdev);
 552         if (r)
 553                 return r;
 554         r = r600_cp_resume(rdev);
 555         if (r)
 556                 return r;
 557         /* write back buffer are not vital so don't worry about failure */
 558         r600_wb_enable(rdev);
 559 #endif
 560         return 0;
 561 }
 562
 563 int evergreen_resume(struct radeon_device *rdev)
 564 {
 565         int r;
 566
 567         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
 568          * posting will perform necessary task to bring back GPU into good
 569          * shape.
 570          */
 571         /* post card */
 572         atom_asic_init(rdev->mode_info.atom_context);
 573         /* Initialize clocks */
 574         r = radeon_clocks_init(rdev);
 575         if (r) {
 576                 return r;
 577         }
 578
 579         r = evergreen_startup(rdev);
 580         if (r) {
 581                 DRM_ERROR("r600 startup failed on resume\n");
 582                 return r;
 583         }
 584 #if 0
 585         r = r600_ib_test(rdev);
 586         if (r) {
 587                 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
 588                 return r;
 589         }
 590 #endif
 591         return r;
 592
 593 }
 594
 595 int evergreen_suspend(struct radeon_device *rdev)
 596 {
 597 #if 0
 598         int r;
 599
 600         /* FIXME: we should wait for ring to be empty */
 601         r700_cp_stop(rdev);
 602         rdev->cp.ready = false;
 603         r600_wb_disable(rdev);
 604         evergreen_pcie_gart_disable(rdev);
 605         /* unpin shaders bo */
 606         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
 607         if (likely(r == 0)) {
 608                 radeon_bo_unpin(rdev->r600_blit.shader_obj);
 609                 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
 610         }
 611 #endif
 612         return 0;
 613 }
 614
 615 static bool evergreen_card_posted(struct radeon_device *rdev)
 616 {
 617         u32 reg;
 618
 619         /* first check CRTCs */
 620         reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
 621                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
 622                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
 623                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
 624                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
 625                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
 626         if (reg & EVERGREEN_CRTC_MASTER_EN)
 627                 return true;
 628
 629         /* then check MEM_SIZE, in case the crtcs are off */
 630         if (RREG32(CONFIG_MEMSIZE))
 631                 return true;
 632
 633         return false;
 634 }
 635
 636 /* Plan is to move initialization in that function and use
 637  * helper function so that radeon_device_init pretty much
 638  * do nothing more than calling asic specific function. This
 639  * should also allow to remove a bunch of callback function
 640  * like vram_info.
 641  */
 642 int evergreen_init(struct radeon_device *rdev)
 643 {
 644         int r;
 645
 646         r = radeon_dummy_page_init(rdev);
 647         if (r)
 648                 return r;
 649         /* This don't do much */
 650         r = radeon_gem_init(rdev);
 651         if (r)
 652                 return r;
 653         /* Read BIOS */
 654         if (!radeon_get_bios(rdev)) {
 655                 if (ASIC_IS_AVIVO(rdev))
 656                         return -EINVAL;
 657         }
 658         /* Must be an ATOMBIOS */
 659         if (!rdev->is_atom_bios) {
 660                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
 661                 return -EINVAL;
 662         }
 663         r = radeon_atombios_init(rdev);
 664         if (r)
 665                 return r;
 666         /* Post card if necessary */
 667         if (!evergreen_card_posted(rdev)) {
 668                 if (!rdev->bios) {
 669                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
 670                         return -EINVAL;
 671                 }
 672                 DRM_INFO("GPU not posted. posting now...\n");
 673                 atom_asic_init(rdev->mode_info.atom_context);
 674         }
 675         /* Initialize scratch registers */
 676         r600_scratch_init(rdev);
 677         /* Initialize surface registers */
 678         radeon_surface_init(rdev);
 679         /* Initialize clocks */
 680         radeon_get_clock_info(rdev->ddev);
 681         r = radeon_clocks_init(rdev);
 682         if (r)
 683                 return r;
 684         /* Initialize power management */
 685         radeon_pm_init(rdev);
 686         /* Fence driver */
 687         r = radeon_fence_driver_init(rdev);
 688         if (r)
 689                 return r;
 690         /* initialize AGP */
 691         if (rdev->flags & RADEON_IS_AGP) {
 692                 r = radeon_agp_init(rdev);
 693                 if (r)
 694                         radeon_agp_disable(rdev);
 695         }
 696         /* initialize memory controller */
 697         r = evergreen_mc_init(rdev);
 698         if (r)
 699                 return r;
 700         /* Memory manager */
 701         r = radeon_bo_init(rdev);
 702         if (r)
 703                 return r;
 704 #if 0
 705         r = radeon_irq_kms_init(rdev);
 706         if (r)
 707                 return r;
 708
 709         rdev->cp.ring_obj = NULL;
 710         r600_ring_init(rdev, 1024 * 1024);
 711
 712         rdev->ih.ring_obj = NULL;
 713         r600_ih_ring_init(rdev, 64 * 1024);
 714
 715         r = r600_pcie_gart_init(rdev);
 716         if (r)
 717                 return r;
 718 #endif
 719         rdev->accel_working = false;
 720         r = evergreen_startup(rdev);
 721         if (r) {
 722                 evergreen_suspend(rdev);
 723                 /*r600_wb_fini(rdev);*/
 724                 /*radeon_ring_fini(rdev);*/
 725                 /*evergreen_pcie_gart_fini(rdev);*/
 726                 rdev->accel_working = false;
 727         }
 728         if (rdev->accel_working) {
 729                 r = radeon_ib_pool_init(rdev);
 730                 if (r) {
 731                         DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
 732                         rdev->accel_working = false;
 733                 }
 734                 r = r600_ib_test(rdev);
 735                 if (r) {
 736                         DRM_ERROR("radeon: failed testing IB (%d).\n", r);
 737                         rdev->accel_working = false;
 738                 }
 739         }
 740         return 0;
 741 }
 742
 743 void evergreen_fini(struct radeon_device *rdev)
 744 {
 745         radeon_pm_fini(rdev);
 746         evergreen_suspend(rdev);
 747 #if 0
 748         r600_blit_fini(rdev);
 749         r600_irq_fini(rdev);
 750         radeon_irq_kms_fini(rdev);
 751         radeon_ring_fini(rdev);
 752         r600_wb_fini(rdev);
 753         evergreen_pcie_gart_fini(rdev);
 754 #endif
 755         radeon_gem_fini(rdev);
 756         radeon_fence_driver_fini(rdev);
 757         radeon_clocks_fini(rdev);
 758         radeon_agp_fini(rdev);
 759         radeon_bo_fini(rdev);
 760         radeon_atombios_fini(rdev);
 761         kfree(rdev->bios);
 762         rdev->bios = NULL;
 763         radeon_dummy_page_fini(rdev);
 764 }