drivers/gpu/drm/radeon/rv770.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 #include <linux/firmware.h>
  29 #include <linux/platform_device.h>
  30 #include <linux/slab.h>
  31 #include <drm/drmP.h>
  32 #include "radeon.h"
  33 #include "radeon_asic.h"
  34 #include <drm/radeon_drm.h>
  35 #include "rv770d.h"
  36 #include "atom.h"
  37 #include "avivod.h"
  38
  39 #define R700_PFP_UCODE_SIZE 848
  40 #define R700_PM4_UCODE_SIZE 1360
  41
  42 static void rv770_gpu_init(struct radeon_device *rdev);
  43 void rv770_fini(struct radeon_device *rdev);
  44 static void rv770_pcie_gen2_enable(struct radeon_device *rdev);
  45
  46 #define PCIE_BUS_CLK                10000
  47 #define TCLK                        (PCIE_BUS_CLK / 10)
  48
  49 /**
  50  * rv770_get_xclk - get the xclk
  51  *
  52  * @rdev: radeon_device pointer
  53  *
  54  * Returns the reference clock used by the gfx engine
  55  * (r7xx-cayman).
  56  */
  57 u32 rv770_get_xclk(struct radeon_device *rdev)
  58 {
  59         u32 reference_clock = rdev->clock.spll.reference_freq;
  60         u32 tmp = RREG32(CG_CLKPIN_CNTL);
  61
  62         if (tmp & MUX_TCLK_TO_XCLK)
  63                 return TCLK;
  64
  65         if (tmp & XTALIN_DIVIDE)
  66                 return reference_clock / 4;
  67
  68         return reference_clock;
  69 }
  70
  71 u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
  72 {
  73         struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
  74         u32 tmp = RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset);
  75         int i;
  76
  77         /* Lock the graphics update lock */
  78         tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
  79         WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
  80
  81         /* update the scanout addresses */
  82         if (radeon_crtc->crtc_id) {
  83                 WREG32(D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
  84                 WREG32(D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
  85         } else {
  86                 WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
  87                 WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(crtc_base));
  88         }
  89         WREG32(D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
  90                (u32)crtc_base);
  91         WREG32(D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
  92                (u32)crtc_base);
  93
  94         /* Wait for update_pending to go high. */
  95         for (i = 0; i < rdev->usec_timeout; i++) {
  96                 if (RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING)
  97                         break;
  98                 udelay(1);
  99         }
 100         DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
 101
 102         /* Unlock the lock, so double-buffering can take place inside vblank */
 103         tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
 104         WREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
 105
 106         /* Return current update_pending status: */
 107         return RREG32(AVIVO_D1GRPH_UPDATE + radeon_crtc->crtc_offset) & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING;
 108 }
 109
 110 /* get temperature in millidegrees */
 111 int rv770_get_temp(struct radeon_device *rdev)
 112 {
 113         u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
 114                 ASIC_T_SHIFT;
 115         int actual_temp;
 116
 117         if (temp & 0x400)
 118                 actual_temp = -256;
 119         else if (temp & 0x200)
 120                 actual_temp = 255;
 121         else if (temp & 0x100) {
 122                 actual_temp = temp & 0x1ff;
 123                 actual_temp |= ~0x1ff;
 124         } else
 125                 actual_temp = temp & 0xff;
 126
 127         return (actual_temp * 1000) / 2;
 128 }
 129
 130 void rv770_pm_misc(struct radeon_device *rdev)
 131 {
 132         int req_ps_idx = rdev->pm.requested_power_state_index;
 133         int req_cm_idx = rdev->pm.requested_clock_mode_index;
 134         struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
 135         struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
 136
 137         if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
 138                 /* 0xff01 is a flag rather then an actual voltage */
 139                 if (voltage->voltage == 0xff01)
 140                         return;
 141                 if (voltage->voltage != rdev->pm.current_vddc) {
 142                         radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
 143                         rdev->pm.current_vddc = voltage->voltage;
 144                         DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
 145                 }
 146         }
 147 }
 148
 149 /*
 150  * GART
 151  */
 152 static int rv770_pcie_gart_enable(struct radeon_device *rdev)
 153 {
 154         u32 tmp;
 155         int r, i;
 156
 157         if (rdev->gart.robj == NULL) {
 158                 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
 159                 return -EINVAL;
 160         }
 161         r = radeon_gart_table_vram_pin(rdev);
 162         if (r)
 163                 return r;
 164         radeon_gart_restore(rdev);
 165         /* Setup L2 cache */
 166         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 167                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 168                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 169         WREG32(VM_L2_CNTL2, 0);
 170         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 171         /* Setup TLB control */
 172         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 173                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 174                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 175                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 176         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 177         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 178         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 179         if (rdev->family == CHIP_RV740)
 180                 WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
 181         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 182         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 183         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 184         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 185         WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
 186         WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
 187         WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
 188         WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
 189                                 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
 190         WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
 191                         (u32)(rdev->dummy_page.addr >> 12));
 192         for (i = 1; i < 7; i++)
 193                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 194
 195         r600_pcie_gart_tlb_flush(rdev);
 196         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 197                  (unsigned)(rdev->mc.gtt_size >> 20),
 198                  (unsigned long long)rdev->gart.table_addr);
 199         rdev->gart.ready = true;
 200         return 0;
 201 }
 202
 203 static void rv770_pcie_gart_disable(struct radeon_device *rdev)
 204 {
 205         u32 tmp;
 206         int i;
 207
 208         /* Disable all tables */
 209         for (i = 0; i < 7; i++)
 210                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 211
 212         /* Setup L2 cache */
 213         WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
 214                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 215         WREG32(VM_L2_CNTL2, 0);
 216         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 217         /* Setup TLB control */
 218         tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 219         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 220         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 221         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 222         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 223         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 224         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 225         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 226         radeon_gart_table_vram_unpin(rdev);
 227 }
 228
 229 static void rv770_pcie_gart_fini(struct radeon_device *rdev)
 230 {
 231         radeon_gart_fini(rdev);
 232         rv770_pcie_gart_disable(rdev);
 233         radeon_gart_table_vram_free(rdev);
 234 }
 235
 236
 237 static void rv770_agp_enable(struct radeon_device *rdev)
 238 {
 239         u32 tmp;
 240         int i;
 241
 242         /* Setup L2 cache */
 243         WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 244                                 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
 245                                 EFFECTIVE_L2_QUEUE_SIZE(7));
 246         WREG32(VM_L2_CNTL2, 0);
 247         WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
 248         /* Setup TLB control */
 249         tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
 250                 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
 251                 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
 252                 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
 253         WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
 254         WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
 255         WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
 256         WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
 257         WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
 258         WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
 259         WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
 260         for (i = 0; i < 7; i++)
 261                 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
 262 }
 263
 264 static void rv770_mc_program(struct radeon_device *rdev)
 265 {
 266         struct rv515_mc_save save;
 267         u32 tmp;
 268         int i, j;
 269
 270         /* Initialize HDP */
 271         for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 272                 WREG32((0x2c14 + j), 0x00000000);
 273                 WREG32((0x2c18 + j), 0x00000000);
 274                 WREG32((0x2c1c + j), 0x00000000);
 275                 WREG32((0x2c20 + j), 0x00000000);
 276                 WREG32((0x2c24 + j), 0x00000000);
 277         }
 278         /* r7xx hw bug.  Read from HDP_DEBUG1 rather
 279          * than writing to HDP_REG_COHERENCY_FLUSH_CNTL
 280          */
 281         tmp = RREG32(HDP_DEBUG1);
 282
 283         rv515_mc_stop(rdev, &save);
 284         if (r600_mc_wait_for_idle(rdev)) {
 285                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 286         }
 287         /* Lockout access through VGA aperture*/
 288         WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
 289         /* Update configuration */
 290         if (rdev->flags & RADEON_IS_AGP) {
 291                 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
 292                         /* VRAM before AGP */
 293                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 294                                 rdev->mc.vram_start >> 12);
 295                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 296                                 rdev->mc.gtt_end >> 12);
 297                 } else {
 298                         /* VRAM after AGP */
 299                         WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 300                                 rdev->mc.gtt_start >> 12);
 301                         WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 302                                 rdev->mc.vram_end >> 12);
 303                 }
 304         } else {
 305                 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
 306                         rdev->mc.vram_start >> 12);
 307                 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
 308                         rdev->mc.vram_end >> 12);
 309         }
 310         WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
 311         tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
 312         tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
 313         WREG32(MC_VM_FB_LOCATION, tmp);
 314         WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
 315         WREG32(HDP_NONSURFACE_INFO, (2 << 7));
 316         WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
 317         if (rdev->flags & RADEON_IS_AGP) {
 318                 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
 319                 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
 320                 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
 321         } else {
 322                 WREG32(MC_VM_AGP_BASE, 0);
 323                 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
 324                 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
 325         }
 326         if (r600_mc_wait_for_idle(rdev)) {
 327                 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
 328         }
 329         rv515_mc_resume(rdev, &save);
 330         /* we need to own VRAM, so turn off the VGA renderer here
 331          * to stop it overwriting our objects */
 332         rv515_vga_render_disable(rdev);
 333 }
 334
 335
 336 /*
 337  * CP.
 338  */
 339 void r700_cp_stop(struct radeon_device *rdev)
 340 {
 341         radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
 342         WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
 343         WREG32(SCRATCH_UMSK, 0);
 344         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
 345 }
 346
 347 static int rv770_cp_load_microcode(struct radeon_device *rdev)
 348 {
 349         const __be32 *fw_data;
 350         int i;
 351
 352         if (!rdev->me_fw || !rdev->pfp_fw)
 353                 return -EINVAL;
 354
 355         r700_cp_stop(rdev);
 356         WREG32(CP_RB_CNTL,
 357 #ifdef __BIG_ENDIAN
 358                BUF_SWAP_32BIT |
 359 #endif
 360                RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
 361
 362         /* Reset cp */
 363         WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
 364         RREG32(GRBM_SOFT_RESET);
 365         mdelay(15);
 366         WREG32(GRBM_SOFT_RESET, 0);
 367
 368         fw_data = (const __be32 *)rdev->pfp_fw->data;
 369         WREG32(CP_PFP_UCODE_ADDR, 0);
 370         for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
 371                 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
 372         WREG32(CP_PFP_UCODE_ADDR, 0);
 373
 374         fw_data = (const __be32 *)rdev->me_fw->data;
 375         WREG32(CP_ME_RAM_WADDR, 0);
 376         for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
 377                 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
 378
 379         WREG32(CP_PFP_UCODE_ADDR, 0);
 380         WREG32(CP_ME_RAM_WADDR, 0);
 381         WREG32(CP_ME_RAM_RADDR, 0);
 382         return 0;
 383 }
 384
 385 void r700_cp_fini(struct radeon_device *rdev)
 386 {
 387         struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 388         r700_cp_stop(rdev);
 389         radeon_ring_fini(rdev, ring);
 390         radeon_scratch_free(rdev, ring->rptr_save_reg);
 391 }
 392
 393 /*
 394  * Core functions
 395  */
 396 static void rv770_gpu_init(struct radeon_device *rdev)
 397 {
 398         int i, j, num_qd_pipes;
 399         u32 ta_aux_cntl;
 400         u32 sx_debug_1;
 401         u32 smx_dc_ctl0;
 402         u32 db_debug3;
 403         u32 num_gs_verts_per_thread;
 404         u32 vgt_gs_per_es;
 405         u32 gs_prim_buffer_depth = 0;
 406         u32 sq_ms_fifo_sizes;
 407         u32 sq_config;
 408         u32 sq_thread_resource_mgmt;
 409         u32 hdp_host_path_cntl;
 410         u32 sq_dyn_gpr_size_simd_ab_0;
 411         u32 gb_tiling_config = 0;
 412         u32 cc_rb_backend_disable = 0;
 413         u32 cc_gc_shader_pipe_config = 0;
 414         u32 mc_arb_ramcfg;
 415         u32 db_debug4, tmp;
 416         u32 inactive_pipes, shader_pipe_config;
 417         u32 disabled_rb_mask;
 418         unsigned active_number;
 419
 420         /* setup chip specs */
 421         rdev->config.rv770.tiling_group_size = 256;
 422         switch (rdev->family) {
 423         case CHIP_RV770:
 424                 rdev->config.rv770.max_pipes = 4;
 425                 rdev->config.rv770.max_tile_pipes = 8;
 426                 rdev->config.rv770.max_simds = 10;
 427                 rdev->config.rv770.max_backends = 4;
 428                 rdev->config.rv770.max_gprs = 256;
 429                 rdev->config.rv770.max_threads = 248;
 430                 rdev->config.rv770.max_stack_entries = 512;
 431                 rdev->config.rv770.max_hw_contexts = 8;
 432                 rdev->config.rv770.max_gs_threads = 16 * 2;
 433                 rdev->config.rv770.sx_max_export_size = 128;
 434                 rdev->config.rv770.sx_max_export_pos_size = 16;
 435                 rdev->config.rv770.sx_max_export_smx_size = 112;
 436                 rdev->config.rv770.sq_num_cf_insts = 2;
 437
 438                 rdev->config.rv770.sx_num_of_sets = 7;
 439                 rdev->config.rv770.sc_prim_fifo_size = 0xF9;
 440                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
 441                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
 442                 break;
 443         case CHIP_RV730:
 444                 rdev->config.rv770.max_pipes = 2;
 445                 rdev->config.rv770.max_tile_pipes = 4;
 446                 rdev->config.rv770.max_simds = 8;
 447                 rdev->config.rv770.max_backends = 2;
 448                 rdev->config.rv770.max_gprs = 128;
 449                 rdev->config.rv770.max_threads = 248;
 450                 rdev->config.rv770.max_stack_entries = 256;
 451                 rdev->config.rv770.max_hw_contexts = 8;
 452                 rdev->config.rv770.max_gs_threads = 16 * 2;
 453                 rdev->config.rv770.sx_max_export_size = 256;
 454                 rdev->config.rv770.sx_max_export_pos_size = 32;
 455                 rdev->config.rv770.sx_max_export_smx_size = 224;
 456                 rdev->config.rv770.sq_num_cf_insts = 2;
 457
 458                 rdev->config.rv770.sx_num_of_sets = 7;
 459                 rdev->config.rv770.sc_prim_fifo_size = 0xf9;
 460                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
 461                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
 462                 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
 463                         rdev->config.rv770.sx_max_export_pos_size -= 16;
 464                         rdev->config.rv770.sx_max_export_smx_size += 16;
 465                 }
 466                 break;
 467         case CHIP_RV710:
 468                 rdev->config.rv770.max_pipes = 2;
 469                 rdev->config.rv770.max_tile_pipes = 2;
 470                 rdev->config.rv770.max_simds = 2;
 471                 rdev->config.rv770.max_backends = 1;
 472                 rdev->config.rv770.max_gprs = 256;
 473                 rdev->config.rv770.max_threads = 192;
 474                 rdev->config.rv770.max_stack_entries = 256;
 475                 rdev->config.rv770.max_hw_contexts = 4;
 476                 rdev->config.rv770.max_gs_threads = 8 * 2;
 477                 rdev->config.rv770.sx_max_export_size = 128;
 478                 rdev->config.rv770.sx_max_export_pos_size = 16;
 479                 rdev->config.rv770.sx_max_export_smx_size = 112;
 480                 rdev->config.rv770.sq_num_cf_insts = 1;
 481
 482                 rdev->config.rv770.sx_num_of_sets = 7;
 483                 rdev->config.rv770.sc_prim_fifo_size = 0x40;
 484                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
 485                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
 486                 break;
 487         case CHIP_RV740:
 488                 rdev->config.rv770.max_pipes = 4;
 489                 rdev->config.rv770.max_tile_pipes = 4;
 490                 rdev->config.rv770.max_simds = 8;
 491                 rdev->config.rv770.max_backends = 4;
 492                 rdev->config.rv770.max_gprs = 256;
 493                 rdev->config.rv770.max_threads = 248;
 494                 rdev->config.rv770.max_stack_entries = 512;
 495                 rdev->config.rv770.max_hw_contexts = 8;
 496                 rdev->config.rv770.max_gs_threads = 16 * 2;
 497                 rdev->config.rv770.sx_max_export_size = 256;
 498                 rdev->config.rv770.sx_max_export_pos_size = 32;
 499                 rdev->config.rv770.sx_max_export_smx_size = 224;
 500                 rdev->config.rv770.sq_num_cf_insts = 2;
 501
 502                 rdev->config.rv770.sx_num_of_sets = 7;
 503                 rdev->config.rv770.sc_prim_fifo_size = 0x100;
 504                 rdev->config.rv770.sc_hiz_tile_fifo_size = 0x30;
 505                 rdev->config.rv770.sc_earlyz_tile_fifo_fize = 0x130;
 506
 507                 if (rdev->config.rv770.sx_max_export_pos_size > 16) {
 508                         rdev->config.rv770.sx_max_export_pos_size -= 16;
 509                         rdev->config.rv770.sx_max_export_smx_size += 16;
 510                 }
 511                 break;
 512         default:
 513                 break;
 514         }
 515
 516         /* Initialize HDP */
 517         j = 0;
 518         for (i = 0; i < 32; i++) {
 519                 WREG32((0x2c14 + j), 0x00000000);
 520                 WREG32((0x2c18 + j), 0x00000000);
 521                 WREG32((0x2c1c + j), 0x00000000);
 522                 WREG32((0x2c20 + j), 0x00000000);
 523                 WREG32((0x2c24 + j), 0x00000000);
 524                 j += 0x18;
 525         }
 526
 527         WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
 528
 529         /* setup tiling, simd, pipe config */
 530         mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
 531
 532         shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG);
 533         inactive_pipes = (shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT;
 534         for (i = 0, tmp = 1, active_number = 0; i < R7XX_MAX_PIPES; i++) {
 535                 if (!(inactive_pipes & tmp)) {
 536                         active_number++;
 537                 }
 538                 tmp <<= 1;
 539         }
 540         if (active_number == 1) {
 541                 WREG32(SPI_CONFIG_CNTL, DISABLE_INTERP_1);
 542         } else {
 543                 WREG32(SPI_CONFIG_CNTL, 0);
 544         }
 545
 546         cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
 547         tmp = R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_rb_backend_disable >> 16);
 548         if (tmp < rdev->config.rv770.max_backends) {
 549                 rdev->config.rv770.max_backends = tmp;
 550         }
 551
 552         cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
 553         tmp = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R7XX_MAX_PIPES_MASK);
 554         if (tmp < rdev->config.rv770.max_pipes) {
 555                 rdev->config.rv770.max_pipes = tmp;
 556         }
 557         tmp = R7XX_MAX_SIMDS - r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R7XX_MAX_SIMDS_MASK);
 558         if (tmp < rdev->config.rv770.max_simds) {
 559                 rdev->config.rv770.max_simds = tmp;
 560         }
 561
 562         switch (rdev->config.rv770.max_tile_pipes) {
 563         case 1:
 564         default:
 565                 gb_tiling_config = PIPE_TILING(0);
 566                 break;
 567         case 2:
 568                 gb_tiling_config = PIPE_TILING(1);
 569                 break;
 570         case 4:
 571                 gb_tiling_config = PIPE_TILING(2);
 572                 break;
 573         case 8:
 574                 gb_tiling_config = PIPE_TILING(3);
 575                 break;
 576         }
 577         rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
 578
 579         disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R7XX_MAX_BACKENDS_MASK;
 580         tmp = (gb_tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
 581         tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.rv770.max_backends,
 582                                         R7XX_MAX_BACKENDS, disabled_rb_mask);
 583         gb_tiling_config |= tmp << 16;
 584         rdev->config.rv770.backend_map = tmp;
 585
 586         if (rdev->family == CHIP_RV770)
 587                 gb_tiling_config |= BANK_TILING(1);
 588         else {
 589                 if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
 590                         gb_tiling_config |= BANK_TILING(1);
 591                 else
 592                         gb_tiling_config |= BANK_TILING(0);
 593         }
 594         rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
 595         gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
 596         if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
 597                 gb_tiling_config |= ROW_TILING(3);
 598                 gb_tiling_config |= SAMPLE_SPLIT(3);
 599         } else {
 600                 gb_tiling_config |=
 601                         ROW_TILING(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
 602                 gb_tiling_config |=
 603                         SAMPLE_SPLIT(((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT));
 604         }
 605
 606         gb_tiling_config |= BANK_SWAPS(1);
 607         rdev->config.rv770.tile_config = gb_tiling_config;
 608
 609         WREG32(GB_TILING_CONFIG, gb_tiling_config);
 610         WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
 611         WREG32(HDP_TILING_CONFIG, (gb_tiling_config & 0xffff));
 612         WREG32(DMA_TILING_CONFIG, (gb_tiling_config & 0xffff));
 613         WREG32(DMA_TILING_CONFIG2, (gb_tiling_config & 0xffff));
 614
 615         WREG32(CGTS_SYS_TCC_DISABLE, 0);
 616         WREG32(CGTS_TCC_DISABLE, 0);
 617         WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
 618         WREG32(CGTS_USER_TCC_DISABLE, 0);
 619
 620
 621         num_qd_pipes = R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
 622         WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
 623         WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
 624
 625         /* set HW defaults for 3D engine */
 626         WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
 627                                      ROQ_IB2_START(0x2b)));
 628
 629         WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
 630
 631         ta_aux_cntl = RREG32(TA_CNTL_AUX);
 632         WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
 633
 634         sx_debug_1 = RREG32(SX_DEBUG_1);
 635         sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
 636         WREG32(SX_DEBUG_1, sx_debug_1);
 637
 638         smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
 639         smx_dc_ctl0 &= ~CACHE_DEPTH(0x1ff);
 640         smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
 641         WREG32(SMX_DC_CTL0, smx_dc_ctl0);
 642
 643         if (rdev->family != CHIP_RV740)
 644                 WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
 645                                        GS_FLUSH_CTL(4) |
 646                                        ACK_FLUSH_CTL(3) |
 647                                        SYNC_FLUSH_CTL));
 648
 649         if (rdev->family != CHIP_RV770)
 650                 WREG32(SMX_SAR_CTL0, 0x00003f3f);
 651
 652         db_debug3 = RREG32(DB_DEBUG3);
 653         db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
 654         switch (rdev->family) {
 655         case CHIP_RV770:
 656         case CHIP_RV740:
 657                 db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
 658                 break;
 659         case CHIP_RV710:
 660         case CHIP_RV730:
 661         default:
 662                 db_debug3 |= DB_CLK_OFF_DELAY(2);
 663                 break;
 664         }
 665         WREG32(DB_DEBUG3, db_debug3);
 666
 667         if (rdev->family != CHIP_RV770) {
 668                 db_debug4 = RREG32(DB_DEBUG4);
 669                 db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
 670                 WREG32(DB_DEBUG4, db_debug4);
 671         }
 672
 673         WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.rv770.sx_max_export_size / 4) - 1) |
 674                                         POSITION_BUFFER_SIZE((rdev->config.rv770.sx_max_export_pos_size / 4) - 1) |
 675                                         SMX_BUFFER_SIZE((rdev->config.rv770.sx_max_export_smx_size / 4) - 1)));
 676
 677         WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.rv770.sc_prim_fifo_size) |
 678                                  SC_HIZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_hiz_tile_fifo_size) |
 679                                  SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.rv770.sc_earlyz_tile_fifo_fize)));
 680
 681         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
 682
 683         WREG32(VGT_NUM_INSTANCES, 1);
 684
 685         WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
 686
 687         WREG32(CP_PERFMON_CNTL, 0);
 688
 689         sq_ms_fifo_sizes = (CACHE_FIFO_SIZE(16 * rdev->config.rv770.sq_num_cf_insts) |
 690                             DONE_FIFO_HIWATER(0xe0) |
 691                             ALU_UPDATE_FIFO_HIWATER(0x8));
 692         switch (rdev->family) {
 693         case CHIP_RV770:
 694         case CHIP_RV730:
 695         case CHIP_RV710:
 696                 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
 697                 break;
 698         case CHIP_RV740:
 699         default:
 700                 sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
 701                 break;
 702         }
 703         WREG32(SQ_MS_FIFO_SIZES, sq_ms_fifo_sizes);
 704
 705         /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
 706          * should be adjusted as needed by the 2D/3D drivers.  This just sets default values
 707          */
 708         sq_config = RREG32(SQ_CONFIG);
 709         sq_config &= ~(PS_PRIO(3) |
 710                        VS_PRIO(3) |
 711                        GS_PRIO(3) |
 712                        ES_PRIO(3));
 713         sq_config |= (DX9_CONSTS |
 714                       VC_ENABLE |
 715                       EXPORT_SRC_C |
 716                       PS_PRIO(0) |
 717                       VS_PRIO(1) |
 718                       GS_PRIO(2) |
 719                       ES_PRIO(3));
 720         if (rdev->family == CHIP_RV710)
 721                 /* no vertex cache */
 722                 sq_config &= ~VC_ENABLE;
 723
 724         WREG32(SQ_CONFIG, sq_config);
 725
 726         WREG32(SQ_GPR_RESOURCE_MGMT_1,  (NUM_PS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
 727                                          NUM_VS_GPRS((rdev->config.rv770.max_gprs * 24)/64) |
 728                                          NUM_CLAUSE_TEMP_GPRS(((rdev->config.rv770.max_gprs * 24)/64)/2)));
 729
 730         WREG32(SQ_GPR_RESOURCE_MGMT_2,  (NUM_GS_GPRS((rdev->config.rv770.max_gprs * 7)/64) |
 731                                          NUM_ES_GPRS((rdev->config.rv770.max_gprs * 7)/64)));
 732
 733         sq_thread_resource_mgmt = (NUM_PS_THREADS((rdev->config.rv770.max_threads * 4)/8) |
 734                                    NUM_VS_THREADS((rdev->config.rv770.max_threads * 2)/8) |
 735                                    NUM_ES_THREADS((rdev->config.rv770.max_threads * 1)/8));
 736         if (((rdev->config.rv770.max_threads * 1) / 8) > rdev->config.rv770.max_gs_threads)
 737                 sq_thread_resource_mgmt |= NUM_GS_THREADS(rdev->config.rv770.max_gs_threads);
 738         else
 739                 sq_thread_resource_mgmt |= NUM_GS_THREADS((rdev->config.rv770.max_gs_threads * 1)/8);
 740         WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
 741
 742         WREG32(SQ_STACK_RESOURCE_MGMT_1, (NUM_PS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
 743                                                      NUM_VS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
 744
 745         WREG32(SQ_STACK_RESOURCE_MGMT_2, (NUM_GS_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4) |
 746                                                      NUM_ES_STACK_ENTRIES((rdev->config.rv770.max_stack_entries * 1)/4)));
 747
 748         sq_dyn_gpr_size_simd_ab_0 = (SIMDA_RING0((rdev->config.rv770.max_gprs * 38)/64) |
 749                                      SIMDA_RING1((rdev->config.rv770.max_gprs * 38)/64) |
 750                                      SIMDB_RING0((rdev->config.rv770.max_gprs * 38)/64) |
 751                                      SIMDB_RING1((rdev->config.rv770.max_gprs * 38)/64));
 752
 753         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_0, sq_dyn_gpr_size_simd_ab_0);
 754         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_1, sq_dyn_gpr_size_simd_ab_0);
 755         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_2, sq_dyn_gpr_size_simd_ab_0);
 756         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_3, sq_dyn_gpr_size_simd_ab_0);
 757         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_4, sq_dyn_gpr_size_simd_ab_0);
 758         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_5, sq_dyn_gpr_size_simd_ab_0);
 759         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_6, sq_dyn_gpr_size_simd_ab_0);
 760         WREG32(SQ_DYN_GPR_SIZE_SIMD_AB_7, sq_dyn_gpr_size_simd_ab_0);
 761
 762         WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
 763                                           FORCE_EOV_MAX_REZ_CNT(255)));
 764
 765         if (rdev->family == CHIP_RV710)
 766                 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(TC_ONLY) |
 767                                                 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
 768         else
 769                 WREG32(VGT_CACHE_INVALIDATION, (CACHE_INVALIDATION(VC_AND_TC) |
 770                                                 AUTO_INVLD_EN(ES_AND_GS_AUTO)));
 771
 772         switch (rdev->family) {
 773         case CHIP_RV770:
 774         case CHIP_RV730:
 775         case CHIP_RV740:
 776                 gs_prim_buffer_depth = 384;
 777                 break;
 778         case CHIP_RV710:
 779                 gs_prim_buffer_depth = 128;
 780                 break;
 781         default:
 782                 break;
 783         }
 784
 785         num_gs_verts_per_thread = rdev->config.rv770.max_pipes * 16;
 786         vgt_gs_per_es = gs_prim_buffer_depth + num_gs_verts_per_thread;
 787         /* Max value for this is 256 */
 788         if (vgt_gs_per_es > 256)
 789                 vgt_gs_per_es = 256;
 790
 791         WREG32(VGT_ES_PER_GS, 128);
 792         WREG32(VGT_GS_PER_ES, vgt_gs_per_es);
 793         WREG32(VGT_GS_PER_VS, 2);
 794
 795         /* more default values. 2D/3D driver should adjust as needed */
 796         WREG32(VGT_GS_VERTEX_REUSE, 16);
 797         WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
 798         WREG32(VGT_STRMOUT_EN, 0);
 799         WREG32(SX_MISC, 0);
 800         WREG32(PA_SC_MODE_CNTL, 0);
 801         WREG32(PA_SC_EDGERULE, 0xaaaaaaaa);
 802         WREG32(PA_SC_AA_CONFIG, 0);
 803         WREG32(PA_SC_CLIPRECT_RULE, 0xffff);
 804         WREG32(PA_SC_LINE_STIPPLE, 0);
 805         WREG32(SPI_INPUT_Z, 0);
 806         WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
 807         WREG32(CB_COLOR7_FRAG, 0);
 808
 809         /* clear render buffer base addresses */
 810         WREG32(CB_COLOR0_BASE, 0);
 811         WREG32(CB_COLOR1_BASE, 0);
 812         WREG32(CB_COLOR2_BASE, 0);
 813         WREG32(CB_COLOR3_BASE, 0);
 814         WREG32(CB_COLOR4_BASE, 0);
 815         WREG32(CB_COLOR5_BASE, 0);
 816         WREG32(CB_COLOR6_BASE, 0);
 817         WREG32(CB_COLOR7_BASE, 0);
 818
 819         WREG32(TCP_CNTL, 0);
 820
 821         hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
 822         WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
 823
 824         WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
 825
 826         WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
 827                                           NUM_CLIP_SEQ(3)));
 828         WREG32(VC_ENHANCE, 0);
 829 }
 830
 831 void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
 832 {
 833         u64 size_bf, size_af;
 834
 835         if (mc->mc_vram_size > 0xE0000000) {
 836                 /* leave room for at least 512M GTT */
 837                 dev_warn(rdev->dev, "limiting VRAM\n");
 838                 mc->real_vram_size = 0xE0000000;
 839                 mc->mc_vram_size = 0xE0000000;
 840         }
 841         if (rdev->flags & RADEON_IS_AGP) {
 842                 size_bf = mc->gtt_start;
 843                 size_af = mc->mc_mask - mc->gtt_end;
 844                 if (size_bf > size_af) {
 845                         if (mc->mc_vram_size > size_bf) {
 846                                 dev_warn(rdev->dev, "limiting VRAM\n");
 847                                 mc->real_vram_size = size_bf;
 848                                 mc->mc_vram_size = size_bf;
 849                         }
 850                         mc->vram_start = mc->gtt_start - mc->mc_vram_size;
 851                 } else {
 852                         if (mc->mc_vram_size > size_af) {
 853                                 dev_warn(rdev->dev, "limiting VRAM\n");
 854                                 mc->real_vram_size = size_af;
 855                                 mc->mc_vram_size = size_af;
 856                         }
 857                         mc->vram_start = mc->gtt_end + 1;
 858                 }
 859                 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
 860                 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
 861                                 mc->mc_vram_size >> 20, mc->vram_start,
 862                                 mc->vram_end, mc->real_vram_size >> 20);
 863         } else {
 864                 radeon_vram_location(rdev, &rdev->mc, 0);
 865                 rdev->mc.gtt_base_align = 0;
 866                 radeon_gtt_location(rdev, mc);
 867         }
 868 }
 869
 870 static int rv770_mc_init(struct radeon_device *rdev)
 871 {
 872         u32 tmp;
 873         int chansize, numchan;
 874
 875         /* Get VRAM informations */
 876         rdev->mc.vram_is_ddr = true;
 877         tmp = RREG32(MC_ARB_RAMCFG);
 878         if (tmp & CHANSIZE_OVERRIDE) {
 879                 chansize = 16;
 880         } else if (tmp & CHANSIZE_MASK) {
 881                 chansize = 64;
 882         } else {
 883                 chansize = 32;
 884         }
 885         tmp = RREG32(MC_SHARED_CHMAP);
 886         switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
 887         case 0:
 888         default:
 889                 numchan = 1;
 890                 break;
 891         case 1:
 892                 numchan = 2;
 893                 break;
 894         case 2:
 895                 numchan = 4;
 896                 break;
 897         case 3:
 898                 numchan = 8;
 899                 break;
 900         }
 901         rdev->mc.vram_width = numchan * chansize;
 902         /* Could aper size report 0 ? */
 903         rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
 904         rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
 905         /* Setup GPU memory space */
 906         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
 907         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
 908         rdev->mc.visible_vram_size = rdev->mc.aper_size;
 909         r700_vram_gtt_location(rdev, &rdev->mc);
 910         radeon_update_bandwidth_info(rdev);
 911
 912         return 0;
 913 }
 914
 915 /**
 916  * rv770_copy_dma - copy pages using the DMA engine
 917  *
 918  * @rdev: radeon_device pointer
 919  * @src_offset: src GPU address
 920  * @dst_offset: dst GPU address
 921  * @num_gpu_pages: number of GPU pages to xfer
 922  * @fence: radeon fence object
 923  *
 924  * Copy GPU paging using the DMA engine (r7xx).
 925  * Used by the radeon ttm implementation to move pages if
 926  * registered as the asic copy callback.
 927  */
 928 int rv770_copy_dma(struct radeon_device *rdev,
 929                   uint64_t src_offset, uint64_t dst_offset,
 930                   unsigned num_gpu_pages,
 931                   struct radeon_fence **fence)
 932 {
 933         struct radeon_semaphore *sem = NULL;
 934         int ring_index = rdev->asic->copy.dma_ring_index;
 935         struct radeon_ring *ring = &rdev->ring[ring_index];
 936         u32 size_in_dw, cur_size_in_dw;
 937         int i, num_loops;
 938         int r = 0;
 939
 940         r = radeon_semaphore_create(rdev, &sem);
 941         if (r) {
 942                 DRM_ERROR("radeon: moving bo (%d).\n", r);
 943                 return r;
 944         }
 945
 946         size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
 947         num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFF);
 948         r = radeon_ring_lock(rdev, ring, num_loops * 5 + 8);
 949         if (r) {
 950                 DRM_ERROR("radeon: moving bo (%d).\n", r);
 951                 radeon_semaphore_free(rdev, &sem, NULL);
 952                 return r;
 953         }
 954
 955         if (radeon_fence_need_sync(*fence, ring->idx)) {
 956                 radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
 957                                             ring->idx);
 958                 radeon_fence_note_sync(*fence, ring->idx);
 959         } else {
 960                 radeon_semaphore_free(rdev, &sem, NULL);
 961         }
 962
 963         for (i = 0; i < num_loops; i++) {
 964                 cur_size_in_dw = size_in_dw;
 965                 if (cur_size_in_dw > 0xFFFF)
 966                         cur_size_in_dw = 0xFFFF;
 967                 size_in_dw -= cur_size_in_dw;
 968                 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw));
 969                 radeon_ring_write(ring, dst_offset & 0xfffffffc);
 970                 radeon_ring_write(ring, src_offset & 0xfffffffc);
 971                 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
 972                 radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff);
 973                 src_offset += cur_size_in_dw * 4;
 974                 dst_offset += cur_size_in_dw * 4;
 975         }
 976
 977         r = radeon_fence_emit(rdev, fence, ring->idx);
 978         if (r) {
 979                 radeon_ring_unlock_undo(rdev, ring);
 980                 return r;
 981         }
 982
 983         radeon_ring_unlock_commit(rdev, ring);
 984         radeon_semaphore_free(rdev, &sem, *fence);
 985
 986         return r;
 987 }
 988
 989 static int rv770_startup(struct radeon_device *rdev)
 990 {
 991         struct radeon_ring *ring;
 992         int r;
 993
 994         /* enable pcie gen2 link */
 995         rv770_pcie_gen2_enable(rdev);
 996
 997         if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
 998                 r = r600_init_microcode(rdev);
 999                 if (r) {
1000                         DRM_ERROR("Failed to load firmware!\n");
1001                         return r;
1002                 }
1003         }
1004
1005         r = r600_vram_scratch_init(rdev);
1006         if (r)
1007                 return r;
1008
1009         rv770_mc_program(rdev);
1010         if (rdev->flags & RADEON_IS_AGP) {
1011                 rv770_agp_enable(rdev);
1012         } else {
1013                 r = rv770_pcie_gart_enable(rdev);
1014                 if (r)
1015                         return r;
1016         }
1017
1018         rv770_gpu_init(rdev);
1019         r = r600_blit_init(rdev);
1020         if (r) {
1021                 r600_blit_fini(rdev);
1022                 rdev->asic->copy.copy = NULL;
1023                 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
1024         }
1025
1026         /* allocate wb buffer */
1027         r = radeon_wb_init(rdev);
1028         if (r)
1029                 return r;
1030
1031         r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1032         if (r) {
1033                 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1034                 return r;
1035         }
1036
1037         r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
1038         if (r) {
1039                 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
1040                 return r;
1041         }
1042
1043         /* Enable IRQ */
1044         r = r600_irq_init(rdev);
1045         if (r) {
1046                 DRM_ERROR("radeon: IH init failed (%d).\n", r);
1047                 radeon_irq_kms_fini(rdev);
1048                 return r;
1049         }
1050         r600_irq_set(rdev);
1051
1052         ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1053         r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
1054                              R600_CP_RB_RPTR, R600_CP_RB_WPTR,
1055                              0, 0xfffff, RADEON_CP_PACKET2);
1056         if (r)
1057                 return r;
1058
1059         ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
1060         r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
1061                              DMA_RB_RPTR, DMA_RB_WPTR,
1062                              2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
1063         if (r)
1064                 return r;
1065
1066         r = rv770_cp_load_microcode(rdev);
1067         if (r)
1068                 return r;
1069         r = r600_cp_resume(rdev);
1070         if (r)
1071                 return r;
1072
1073         r = r600_dma_resume(rdev);
1074         if (r)
1075                 return r;
1076
1077         r = radeon_ib_pool_init(rdev);
1078         if (r) {
1079                 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1080                 return r;
1081         }
1082
1083         r = r600_audio_init(rdev);
1084         if (r) {
1085                 DRM_ERROR("radeon: audio init failed\n");
1086                 return r;
1087         }
1088
1089         return 0;
1090 }
1091
1092 int rv770_resume(struct radeon_device *rdev)
1093 {
1094         int r;
1095
1096         /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
1097          * posting will perform necessary task to bring back GPU into good
1098          * shape.
1099          */
1100         /* post card */
1101         atom_asic_init(rdev->mode_info.atom_context);
1102
1103         rdev->accel_working = true;
1104         r = rv770_startup(rdev);
1105         if (r) {
1106                 DRM_ERROR("r600 startup failed on resume\n");
1107                 rdev->accel_working = false;
1108                 return r;
1109         }
1110
1111         return r;
1112
1113 }
1114
1115 int rv770_suspend(struct radeon_device *rdev)
1116 {
1117         r600_audio_fini(rdev);
1118         r700_cp_stop(rdev);
1119         r600_dma_stop(rdev);
1120         r600_irq_suspend(rdev);
1121         radeon_wb_disable(rdev);
1122         rv770_pcie_gart_disable(rdev);
1123
1124         return 0;
1125 }
1126
1127 /* Plan is to move initialization in that function and use
1128  * helper function so that radeon_device_init pretty much
1129  * do nothing more than calling asic specific function. This
1130  * should also allow to remove a bunch of callback function
1131  * like vram_info.
1132  */
1133 int rv770_init(struct radeon_device *rdev)
1134 {
1135         int r;
1136
1137         /* Read BIOS */
1138         if (!radeon_get_bios(rdev)) {
1139                 if (ASIC_IS_AVIVO(rdev))
1140                         return -EINVAL;
1141         }
1142         /* Must be an ATOMBIOS */
1143         if (!rdev->is_atom_bios) {
1144                 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
1145                 return -EINVAL;
1146         }
1147         r = radeon_atombios_init(rdev);
1148         if (r)
1149                 return r;
1150         /* Post card if necessary */
1151         if (!radeon_card_posted(rdev)) {
1152                 if (!rdev->bios) {
1153                         dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
1154                         return -EINVAL;
1155                 }
1156                 DRM_INFO("GPU not posted. posting now...\n");
1157                 atom_asic_init(rdev->mode_info.atom_context);
1158         }
1159         /* Initialize scratch registers */
1160         r600_scratch_init(rdev);
1161         /* Initialize surface registers */
1162         radeon_surface_init(rdev);
1163         /* Initialize clocks */
1164         radeon_get_clock_info(rdev->ddev);
1165         /* Fence driver */
1166         r = radeon_fence_driver_init(rdev);
1167         if (r)
1168                 return r;
1169         /* initialize AGP */
1170         if (rdev->flags & RADEON_IS_AGP) {
1171                 r = radeon_agp_init(rdev);
1172                 if (r)
1173                         radeon_agp_disable(rdev);
1174         }
1175         r = rv770_mc_init(rdev);
1176         if (r)
1177                 return r;
1178         /* Memory manager */
1179         r = radeon_bo_init(rdev);
1180         if (r)
1181                 return r;
1182
1183         r = radeon_irq_kms_init(rdev);
1184         if (r)
1185                 return r;
1186
1187         rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
1188         r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
1189
1190         rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
1191         r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
1192
1193         rdev->ih.ring_obj = NULL;
1194         r600_ih_ring_init(rdev, 64 * 1024);
1195
1196         r = r600_pcie_gart_init(rdev);
1197         if (r)
1198                 return r;
1199
1200         rdev->accel_working = true;
1201         r = rv770_startup(rdev);
1202         if (r) {
1203                 dev_err(rdev->dev, "disabling GPU acceleration\n");
1204                 r700_cp_fini(rdev);
1205                 r600_dma_fini(rdev);
1206                 r600_irq_fini(rdev);
1207                 radeon_wb_fini(rdev);
1208                 radeon_ib_pool_fini(rdev);
1209                 radeon_irq_kms_fini(rdev);
1210                 rv770_pcie_gart_fini(rdev);
1211                 rdev->accel_working = false;
1212         }
1213
1214         return 0;
1215 }
1216
1217 void rv770_fini(struct radeon_device *rdev)
1218 {
1219         r600_blit_fini(rdev);
1220         r700_cp_fini(rdev);
1221         r600_dma_fini(rdev);
1222         r600_irq_fini(rdev);
1223         radeon_wb_fini(rdev);
1224         radeon_ib_pool_fini(rdev);
1225         radeon_irq_kms_fini(rdev);
1226         rv770_pcie_gart_fini(rdev);
1227         r600_vram_scratch_fini(rdev);
1228         radeon_gem_fini(rdev);
1229         radeon_fence_driver_fini(rdev);
1230         radeon_agp_fini(rdev);
1231         radeon_bo_fini(rdev);
1232         radeon_atombios_fini(rdev);
1233         kfree(rdev->bios);
1234         rdev->bios = NULL;
1235 }
1236
1237 static void rv770_pcie_gen2_enable(struct radeon_device *rdev)
1238 {
1239         u32 link_width_cntl, lanes, speed_cntl, tmp;
1240         u16 link_cntl2;
1241         u32 mask;
1242         int ret;
1243
1244         if (radeon_pcie_gen2 == 0)
1245                 return;
1246
1247         if (rdev->flags & RADEON_IS_IGP)
1248                 return;
1249
1250         if (!(rdev->flags & RADEON_IS_PCIE))
1251                 return;
1252
1253         /* x2 cards have a special sequence */
1254         if (ASIC_IS_X2(rdev))
1255                 return;
1256
1257         ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
1258         if (ret != 0)
1259                 return;
1260
1261         if (!(mask & DRM_PCIE_SPEED_50))
1262                 return;
1263
1264         DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
1265
1266         /* advertise upconfig capability */
1267         link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1268         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1269         WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1270         link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1271         if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
1272                 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
1273                 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
1274                                      LC_RECONFIG_ARC_MISSING_ESCAPE);
1275                 link_width_cntl |= lanes | LC_RECONFIG_NOW |
1276                         LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT;
1277                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1278         } else {
1279                 link_width_cntl |= LC_UPCONFIGURE_DIS;
1280                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1281         }
1282
1283         speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1284         if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
1285             (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1286
1287                 tmp = RREG32(0x541c);
1288                 WREG32(0x541c, tmp | 0x8);
1289                 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
1290                 link_cntl2 = RREG16(0x4088);
1291                 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
1292                 link_cntl2 |= 0x2;
1293                 WREG16(0x4088, link_cntl2);
1294                 WREG32(MM_CFGREGS_CNTL, 0);
1295
1296                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1297                 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
1298                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1299
1300                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1301                 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
1302                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1303
1304                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1305                 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
1306                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1307
1308                 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
1309                 speed_cntl |= LC_GEN2_EN_STRAP;
1310                 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
1311
1312         } else {
1313                 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
1314                 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
1315                 if (1)
1316                         link_width_cntl |= LC_UPCONFIGURE_DIS;
1317                 else
1318                         link_width_cntl &= ~LC_UPCONFIGURE_DIS;
1319                 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
1320         }
1321 }