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_drm.h"
  29 #include "rv770d.h"
  30 #include "atom.h"
  31 #include "avivod.h"
  32 #include "evergreen_reg.h"
  33
  34 static void evergreen_gpu_init(struct radeon_device *rdev);
  35 void evergreen_fini(struct radeon_device *rdev);
  36
  37 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
  38 {
  39         bool connected = false;
  40         /* XXX */
  41         return connected;
  42 }
  43
  44 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
  45                                 enum radeon_hpd_id hpd)
  46 {
  47         /* XXX */
  48 }
  49
  50 void evergreen_hpd_init(struct radeon_device *rdev)
  51 {
  52         /* XXX */
  53 }
  54
  55
  56 void evergreen_bandwidth_update(struct radeon_device *rdev)
  57 {
  58         /* XXX */
  59 }
  60
  61 void evergreen_hpd_fini(struct radeon_device *rdev)
  62 {
  63         /* XXX */
  64 }
  65
  66 static int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
  67 {
  68         unsigned i;
  69         u32 tmp;
  70
  71         for (i = 0; i < rdev->usec_timeout; i++) {
  72                 /* read MC_STATUS */
  73                 tmp = RREG32(SRBM_STATUS) & 0x1F00;
  74                 if (!tmp)
  75                         return 0;
  76                 udelay(1);
  77         }
  78         return -1;
  79 }
  80
  81 /*
  82  * GART
  83  */
  84 int evergreen_pcie_gart_enable(struct radeon_device *rdev)
  85 {
  86         u32 tmp;
  87         int r, i;
  88
  89         if (rdev->gart.table.vram.robj == NULL) {
  90                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
  91                 return -EINVAL;
  92         }
  93         r = radeon_gart_table_vram_pin(rdev);
  94         if (r)
  95                 return r;
  96         radeon_gart_restore(rdev);
  97         /* Setup L2 cache */
  98         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
  99                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 100                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 101         WREG32(VM_L2_CNTL2, 0);
 102         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 103         /* Setup TLB control */
 104         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 105                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 106                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 107                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 108         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 109         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 110         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 111         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 112         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 113         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 114         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 115         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 116         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 117         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 118         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 119                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 120         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 121                         (u32)(rdev->dummy_page.addr >> 12));
 122         for (i = 1; i < 7; i++)
 123                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 124
 125         r600_pcie_gart_tlb_flush(rdev);
 126         rdev->gart.ready = true;
 127         return 0;
 128 }
 129
 130 void evergreen_pcie_gart_disable(struct radeon_device *rdev)
 131 {
 132         u32 tmp;
 133         int i, r;
 134
 135         /* Disable all tables */
 136         for (i = 0; i < 7; i++)
 137                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 138
 139         /* Setup L2 cache */
 140         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
 141                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 142         WREG32(VM_L2_CNTL2, 0);
 143         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 144         /* Setup TLB control */
 145         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 146         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 147         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 148         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 149         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 150         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 151         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 152         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 153         if (rdev->gart.table.vram.robj) {
 154                 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
 155                 if (likely(r == 0)) {
 156                         radeon_bo_kunmap(rdev->gart.table.vram.robj);
 157                         radeon_bo_unpin(rdev->gart.table.vram.robj);
 158                         radeon_bo_unreserve(rdev->gart.table.vram.robj);
 159                 }
 160         }
 161 }
 162
 163 void evergreen_pcie_gart_fini(struct radeon_device *rdev)
 164 {
 165         evergreen_pcie_gart_disable(rdev);
 166         radeon_gart_table_vram_free(rdev);
 167         radeon_gart_fini(rdev);
 168 }
 169
 170
 171 void evergreen_agp_enable(struct radeon_device *rdev)
 172 {
 173         u32 tmp;
 174         int i;
 175
 176         /* Setup L2 cache */
 177         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 178                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 179                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 180         WREG32(VM_L2_CNTL2, 0);
 181         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 182         /* Setup TLB control */
 183         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 184                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 185                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 186                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 187         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 188         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 189         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 190         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 191         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 192         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 193         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 194         for (i = 0; i < 7; i++)
 195                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 196 }
 197
 198 static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 199 {
 200         save->vga_control[0] = RREG32(D1VGA_CONTROL);
 201         save->vga_control[1] = RREG32(D2VGA_CONTROL);
 202         save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
 203         save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
 204         save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
 205         save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
 206         save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
 207         save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
 208         save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
 209         save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
 210         save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
 211         save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
 212         save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
 213         save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
 214
 215         /* Stop all video */
 216         WREG32(VGA_RENDER_CONTROL, 0);
 217         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 218         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 219         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 220         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 221         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 222         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 223         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 224         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 225         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 226         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 227         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 228         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 229         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 230         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 231         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 232         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 233         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 234         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 235
 236         WREG32(D1VGA_CONTROL, 0);
 237         WREG32(D2VGA_CONTROL, 0);
 238         WREG32(EVERGREEN_D3VGA_CONTROL, 0);
 239         WREG32(EVERGREEN_D4VGA_CONTROL, 0);
 240         WREG32(EVERGREEN_D5VGA_CONTROL, 0);
 241         WREG32(EVERGREEN_D6VGA_CONTROL, 0);
 242 }
 243
 244 static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
 245 {
 246         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 247                upper_32_bits(rdev->mc.vram_start));
 248         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
 249                upper_32_bits(rdev->mc.vram_start));
 250         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 251                (u32)rdev->mc.vram_start);
 252         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
 253                (u32)rdev->mc.vram_start);
 254
 255         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 256                upper_32_bits(rdev->mc.vram_start));
 257         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
 258                upper_32_bits(rdev->mc.vram_start));
 259         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 260                (u32)rdev->mc.vram_start);
 261         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
 262                (u32)rdev->mc.vram_start);
 263
 264         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 265                upper_32_bits(rdev->mc.vram_start));
 266         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
 267                upper_32_bits(rdev->mc.vram_start));
 268         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 269                (u32)rdev->mc.vram_start);
 270         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
 271                (u32)rdev->mc.vram_start);
 272
 273         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 274                upper_32_bits(rdev->mc.vram_start));
 275         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
 276                upper_32_bits(rdev->mc.vram_start));
 277         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 278                (u32)rdev->mc.vram_start);
 279         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
 280                (u32)rdev->mc.vram_start);
 281
 282         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 283                upper_32_bits(rdev->mc.vram_start));
 284         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
 285                upper_32_bits(rdev->mc.vram_start));
 286         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 287                (u32)rdev->mc.vram_start);
 288         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
 289                (u32)rdev->mc.vram_start);
 290
 291         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 292                upper_32_bits(rdev->mc.vram_start));
 293         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
 294                upper_32_bits(rdev->mc.vram_start));
 295         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 296                (u32)rdev->mc.vram_start);
 297         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
 298                (u32)rdev->mc.vram_start);
 299
 300         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
 301         WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
 302         /* Unlock host access */
 303         WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
 304         mdelay(1);
 305         /* Restore video state */
 306         WREG32(D1VGA_CONTROL, save->vga_control[0]);
 307         WREG32(D2VGA_CONTROL, save->vga_control[1]);
 308         WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
 309         WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
 310         WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
 311         WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
 312         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
 313         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
 314         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
 315         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
 316         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
 317         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
 318         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
 319         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
 320         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
 321         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
 322         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
 323         WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
 324         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 325         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
 326         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
 327         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
 328         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
 329         WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
 330         WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
 331 }
 332
 333 static void evergreen_mc_program(struct radeon_device *rdev)
 334 {
 335         struct evergreen_mc_save save;
 336         u32 tmp;
 337         int i, j;
 338
 339         /* Initialize HDP */
 340         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 341                 WREG32((0x2c14 + j), 0x00000000);
 342                 WREG32((0x2c18 + j), 0x00000000);
 343                 WREG32((0x2c1c + j), 0x00000000);
 344                 WREG32((0x2c20 + j), 0x00000000);
 345                 WREG32((0x2c24 + j), 0x00000000);
 346         }
 347         WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
 348
 349         evergreen_mc_stop(rdev, &save);
 350         if (evergreen_mc_wait_for_idle(rdev)) {
 351                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 352         }
 353         /* Lockout access through VGA aperture*/
 354         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
 355         /* Update configuration */
 356         if (rdev->flags & RADEON_IS_AGP) {
 357                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
 358                         /* VRAM before AGP */
 359                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 360                                 rdev->mc.vram_start >> 12);
 361                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 362                                 rdev->mc.gtt_end >> 12);
 363                 } else {
 364                         /* VRAM after AGP */
 365                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 366                                 rdev->mc.gtt_start >> 12);
 367                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 368                                 rdev->mc.vram_end >> 12);
 369                 }
 370         } else {
 371                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 372                         rdev->mc.vram_start >> 12);
 373                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 374                         rdev->mc.vram_end >> 12);
 375         }
 376         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
 377         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
 378         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
 379         WREG32(MC_VM_FB_LOCATION, tmp);
 380         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
 381         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
 382         WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
 383         if (rdev->flags & RADEON_IS_AGP) {
 384                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
 385                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
 386                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
 387         } else {
 388                 WREG32(MC_VM_AGP_BASE, 0);
 389                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
 390                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
 391         }
 392         if (evergreen_mc_wait_for_idle(rdev)) {
 393                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 394         }
 395         evergreen_mc_resume(rdev, &save);
 396         /* we need to own VRAM, so turn off the VGA renderer here
 397          * to stop it overwriting our objects */
 398         rv515_vga_render_disable(rdev);
 399 }
 400
 401 #if 0
 402 /*
 403  * CP.
 404  */
 405 static void evergreen_cp_stop(struct radeon_device *rdev)
 406 {
 407         /* XXX */
 408 }
 409
 410
 411 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
 412 {
 413         /* XXX */
 414
 415         return 0;
 416 }
 417
 418
 419 /*
 420  * Core functions
 421  */
 422 static u32 evergreen_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 423                                                   u32 num_backends,
 424                                                   u32 backend_disable_mask)
 425 {
 426         u32 backend_map = 0;
 427
 428         return backend_map;
 429 }
 430 #endif
 431
 432 static void evergreen_gpu_init(struct radeon_device *rdev)
 433 {
 434         /* XXX */
 435 }
 436
 437 int evergreen_mc_init(struct radeon_device *rdev)
 438 {
 439         fixed20_12 a;
 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         /* FIXME: we should enforce default clock in case GPU is not in
 485          * default setup
 486          */
 487         a.full = rfixed_const(100);
 488         rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
 489         rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
 490         return 0;
 491 }
 492
 493 int evergreen_gpu_reset(struct radeon_device *rdev)
 494 {
 495         /* FIXME: implement for evergreen */
 496         return 0;
 497 }
 498
 499 static int evergreen_startup(struct radeon_device *rdev)
 500 {
 501 #if 0
 502         int r;
 503
 504         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
 505                 r = r600_init_microcode(rdev);
 506                 if (r) {
 507                         DRM_ERROR("Failed to load firmware!\n");
 508                         return r;
 509                 }
 510         }
 511 #endif
 512         evergreen_mc_program(rdev);
 513 #if 0
 514         if (rdev->flags & RADEON_IS_AGP) {
 515                 evergreem_agp_enable(rdev);
 516         } else {
 517                 r = evergreen_pcie_gart_enable(rdev);
 518                 if (r)
 519                         return r;
 520         }
 521 #endif
 522         evergreen_gpu_init(rdev);
 523 #if 0
 524         if (!rdev->r600_blit.shader_obj) {
 525                 r = r600_blit_init(rdev);
 526                 if (r) {
 527                         DRM_ERROR("radeon: failed blitter (%d).\n", r);
 528                         return r;
 529                 }
 530         }
 531
 532         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
 533         if (unlikely(r != 0))
 534                 return r;
 535         r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
 536                         &rdev->r600_blit.shader_gpu_addr);
 537         radeon_bo_unreserve(rdev->r600_blit.shader_obj);
 538         if (r) {
 539                 DRM_ERROR("failed to pin blit object %d\n", r);
 540                 return r;
 541         }
 542
 543         /* Enable IRQ */
 544         r = r600_irq_init(rdev);
 545         if (r) {
 546                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
 547                 radeon_irq_kms_fini(rdev);
 548                 return r;
 549         }
 550         r600_irq_set(rdev);
 551
 552         r = radeon_ring_init(rdev, rdev->cp.ring_size);
 553         if (r)
 554                 return r;
 555         r = evergreen_cp_load_microcode(rdev);
 556         if (r)
 557                 return r;
 558         r = r600_cp_resume(rdev);
 559         if (r)
 560                 return r;
 561         /* write back buffer are not vital so don't worry about failure */
 562         r600_wb_enable(rdev);
 563 #endif
 564         return 0;
 565 }
 566
 567 int evergreen_resume(struct radeon_device *rdev)
 568 {
 569         int r;
 570
 571         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
 572          * posting will perform necessary task to bring back GPU into good
 573          * shape.
 574          */
 575         /* post card */
 576         atom_asic_init(rdev->mode_info.atom_context);
 577         /* Initialize clocks */
 578         r = radeon_clocks_init(rdev);
 579         if (r) {
 580                 return r;
 581         }
 582
 583         r = evergreen_startup(rdev);
 584         if (r) {
 585                 DRM_ERROR("r600 startup failed on resume\n");
 586                 return r;
 587         }
 588 #if 0
 589         r = r600_ib_test(rdev);
 590         if (r) {
 591                 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
 592                 return r;
 593         }
 594 #endif
 595         return r;
 596
 597 }
 598
 599 int evergreen_suspend(struct radeon_device *rdev)
 600 {
 601 #if 0
 602         int r;
 603
 604         /* FIXME: we should wait for ring to be empty */
 605         r700_cp_stop(rdev);
 606         rdev->cp.ready = false;
 607         r600_wb_disable(rdev);
 608         evergreen_pcie_gart_disable(rdev);
 609         /* unpin shaders bo */
 610         r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
 611         if (likely(r == 0)) {
 612                 radeon_bo_unpin(rdev->r600_blit.shader_obj);
 613                 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
 614         }
 615 #endif
 616         return 0;
 617 }
 618
 619 static bool evergreen_card_posted(struct radeon_device *rdev)
 620 {
 621         u32 reg;
 622
 623         /* first check CRTCs */
 624         reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
 625                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
 626                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
 627                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
 628                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
 629                 RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
 630         if (reg & EVERGREEN_CRTC_MASTER_EN)
 631                 return true;
 632
 633         /* then check MEM_SIZE, in case the crtcs are off */
 634         if (RREG32(CONFIG_MEMSIZE))
 635                 return true;
 636
 637         return false;
 638 }
 639
 640 /* Plan is to move initialization in that function and use
 641  * helper function so that radeon_device_init pretty much
 642  * do nothing more than calling asic specific function. This
 643  * should also allow to remove a bunch of callback function
 644  * like vram_info.
 645  */
 646 int evergreen_init(struct radeon_device *rdev)
 647 {
 648         int r;
 649
 650         r = radeon_dummy_page_init(rdev);
 651         if (r)
 652                 return r;
 653         /* This don't do much */
 654         r = radeon_gem_init(rdev);
 655         if (r)
 656                 return r;
 657         /* Read BIOS */
 658         if (!radeon_get_bios(rdev)) {
 659                 if (ASIC_IS_AVIVO(rdev))
 660                         return -EINVAL;
 661         }
 662         /* Must be an ATOMBIOS */
 663         if (!rdev->is_atom_bios) {
 664                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
 665                 return -EINVAL;
 666         }
 667         r = radeon_atombios_init(rdev);
 668         if (r)
 669                 return r;
 670         /* Post card if necessary */
 671         if (!evergreen_card_posted(rdev)) {
 672                 if (!rdev->bios) {
 673                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
 674                         return -EINVAL;
 675                 }
 676                 DRM_INFO("GPU not posted. posting now...\n");
 677                 atom_asic_init(rdev->mode_info.atom_context);
 678         }
 679         /* Initialize scratch registers */
 680         r600_scratch_init(rdev);
 681         /* Initialize surface registers */
 682         radeon_surface_init(rdev);
 683         /* Initialize clocks */
 684         radeon_get_clock_info(rdev->ddev);
 685         r = radeon_clocks_init(rdev);
 686         if (r)
 687                 return r;
 688         /* Initialize power management */
 689         radeon_pm_init(rdev);
 690         /* Fence driver */
 691         r = radeon_fence_driver_init(rdev);
 692         if (r)
 693                 return r;
 694         /* initialize AGP */
 695         if (rdev->flags & RADEON_IS_AGP) {
 696                 r = radeon_agp_init(rdev);
 697                 if (r)
 698                         radeon_agp_disable(rdev);
 699         }
 700         /* initialize memory controller */
 701         r = evergreen_mc_init(rdev);
 702         if (r)
 703                 return r;
 704         /* Memory manager */
 705         r = radeon_bo_init(rdev);
 706         if (r)
 707                 return r;
 708 #if 0
 709         r = radeon_irq_kms_init(rdev);
 710         if (r)
 711                 return r;
 712
 713         rdev->cp.ring_obj = NULL;
 714         r600_ring_init(rdev, 1024 * 1024);
 715
 716         rdev->ih.ring_obj = NULL;
 717         r600_ih_ring_init(rdev, 64 * 1024);
 718
 719         r = r600_pcie_gart_init(rdev);
 720         if (r)
 721                 return r;
 722 #endif
 723         rdev->accel_working = false;
 724         r = evergreen_startup(rdev);
 725         if (r) {
 726                 evergreen_suspend(rdev);
 727                 /*r600_wb_fini(rdev);*/
 728                 /*radeon_ring_fini(rdev);*/
 729                 /*evergreen_pcie_gart_fini(rdev);*/
 730                 rdev->accel_working = false;
 731         }
 732         if (rdev->accel_working) {
 733                 r = radeon_ib_pool_init(rdev);
 734                 if (r) {
 735                         DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
 736                         rdev->accel_working = false;
 737                 }
 738                 r = r600_ib_test(rdev);
 739                 if (r) {
 740                         DRM_ERROR("radeon: failed testing IB (%d).\n", r);
 741                         rdev->accel_working = false;
 742                 }
 743         }
 744         return 0;
 745 }
 746
 747 void evergreen_fini(struct radeon_device *rdev)
 748 {
 749         evergreen_suspend(rdev);
 750 #if 0
 751         r600_blit_fini(rdev);
 752         r600_irq_fini(rdev);
 753         radeon_irq_kms_fini(rdev);
 754         radeon_ring_fini(rdev);
 755         r600_wb_fini(rdev);
 756         evergreen_pcie_gart_fini(rdev);
 757 #endif
 758         radeon_gem_fini(rdev);
 759         radeon_fence_driver_fini(rdev);
 760         radeon_clocks_fini(rdev);
 761         radeon_agp_fini(rdev);
 762         radeon_bo_fini(rdev);
 763         radeon_atombios_fini(rdev);
 764         kfree(rdev->bios);
 765         rdev->bios = NULL;
 766         radeon_dummy_page_fini(rdev);
 767 }