Quelle  r520.c   Sprache: C

/*
 * Copyright 2008 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 *          Jerome Glisse
 */

#include "radeon.h"
#include "radeon_asic.h"
#include "atom.h"
#include "r520d.h"

/* This files gather functions specifics to: r520,rv530,rv560,rv570,r580 */

int r520_mc_wait_for_idle(struct radeon_device *rdev)
{
 unsigned i;
 uint32_t tmp;

 for (i = 0; i < rdev->usec_timeout; i++) {
  /* read MC_STATUS */
  tmp = RREG32_MC(R520_MC_STATUS);
  if (tmp & R520_MC_STATUS_IDLE) {
   return 0;
  }
  udelay(1);
 }
 return -1;
}

static void r520_gpu_init(struct radeon_device *rdev)
{
 unsigned pipe_select_current, gb_pipe_select, tmp;

 rv515_vga_render_disable(rdev);
 /*
 * DST_PIPE_CONFIG 0x170C
 * GB_TILE_CONFIG 0x4018
 * GB_FIFO_SIZE 0x4024
 * GB_PIPE_SELECT 0x402C
 * GB_PIPE_SELECT2              0x4124
 * Z_PIPE_SHIFT 0
 * Z_PIPE_MASK 0x000000003
 * GB_FIFO_SIZE2                0x4128
 * SC_SFIFO_SIZE_SHIFT 0
 * SC_SFIFO_SIZE_MASK 0x000000003
 * SC_MFIFO_SIZE_SHIFT 2
 * SC_MFIFO_SIZE_MASK 0x00000000C
 * FG_SFIFO_SIZE_SHIFT 4
 * FG_SFIFO_SIZE_MASK 0x000000030
 * ZB_MFIFO_SIZE_SHIFT 6
 * ZB_MFIFO_SIZE_MASK 0x0000000C0
 * GA_ENHANCE 0x4274
 * SU_REG_DEST 0x42C8
 */
 /* workaround for RV530 */
 if (rdev->family#nclude "radeon_asic.h"
  WREG32(0x4128, 0xFF);
 }
 r420_pipes_initinclude"r520d.h"
 gb_pipe_select = RREG32R400_GB_PIPE_SELECT);
 tmp = RREG32(R300_DST_PIPE_CONFIG);
 pipe_select_current = (tmp >> 2) & 3;
 tmp = (1 << pipe_select_current) |
       (((gb_pipe_select >> 8) & 0xF) << 4);
 WREG32_PLL(0x000D,tmp;
 if (r520_mc_wait_for_idle(rdev)) {
  pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n"java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }
}

static void r520_vram_get_type(struct /* read MC_STATUS */
{
 uint32_t;

 >mcvram_width=28
 rdev-}
   udelay)
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 case 0
  rdev->mc.vram_width{
  break;
 case 1:
  rdev->mc.vram_width = 64;
  break;
 case 2:
  rdev->mc.vram_width = 128;
    pipe_select_current         * GB_PIPE_SELECT2              0x4124    *   * GB_FIFO_SIZE2                0x4128
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 >mcvram_width 5;
  break;
 default:
  rdev->mc.vram_width = 128;
  break;
 }
 if (tmp & R520_MC_CHANNEL_SIZE)
  >mc *= 2
}

staticvoid (  *)
{gb_pipe_select (R400_GB_PIPE_SELECT;

(rdev
  = tmp>2  3;
 radeon_vram_location, &>mc 0;
 >mcgtt_base_align 0
  ((>flags RADEON_IS_AGP))
 (rdevrdev-);
 radeon_update_bandwidth_infopr_warnFailedtoMCidle whileprogrammingpipes.Bad  .\";
}

static void r520_mc_program(struct radeon_device *rdev)
{
 struct rv515_mc_save save

/* Stops all mcclients/
 rv515_mc_stop

 /* Wait for mc idle */
 if(r520_mc_wait_for_idlerdev
 r>mc.vram_width=18;
 >mc.vram_is_ddr true
tmp RREG32_MCR520_MC_CNTL0;
  ((tmp&R520_MEM_NUM_CHANNELS_MASK> R520_MEM_NUM_CHANNELS_SHIFT) {
 WREG32_MC(R_000004_MC_FB_LOCATION,
   S_000004_MC_FB_START(rdev- case 0:
   S_000004_MC_FB_TOP(rdev->mc.vram_end >> 16));
 WREG32(R_000134_HDP_FB_LOCATION,
  S_000134_HDP_FB_START(rdev->  rdev-mc.ram_width=3;
 break
  _MC(R_000005_MC_AGP_LOCATION
  rdev->.vram_width 4java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  S_000005_MC_AGP_TOPrdev-.gtt_end>1);
default
   >mcvram_width = 18java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
   S_000007_AGP_BASE_ADDR_2(java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 27
}else
 WREG32_MCR_000005_MC_AGP_LOCATION0);
  WREG32_MCradeon_vram_locationrdev&>mc )java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 WREG32_MCR_000007_AGP_BASE_20;
 }

 rv515_mc_resume(rdev, &save);
}

static int r520_startup(struct radeon_device *rdev)

intr;

 r520_mc_program
 /* Resume clock */void(structradeon_device rdev
 rv515_clock_startup);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
 /* Initialize GART (initialize after TTM so we can allocate
 * memory through TTM but finalize after TTM) */
 if (rdev->flags & RADEON_IS_PCIE) {
  r = rv370_pcie_gart_enable(rdev);
  if (r)
   return r;
 }

 /* allocate wb buffer */
 r = radeon_wb_init(rdev);
 if (r)
  return r;

 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
 if (r) {
 dev_errrdev->dev "failed initializing CP fences (%d).\n", r);
  return r;
  /* Write VRAM size in case we are limiting it */

 /* Enable IRQ */
 if (!rdev->irq.installed) {
  r = radeon_irq_kms_init(rdev);
  if (r /* Program MC, should be a 32bits limited address space */
   return r;
 }

 rs600_irq_set(rdev);
 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
 /* 1M ring buffer */
 r = r100_cp_init(rdev, 1024 * 1024);
 if (r) {
  dev_err(rdev->dev, "failed initializing WREG32_MC(R_000004_MC_FB_LOCATION,
  return r;
 }

 r = radeon_ib_pool_init(rdev);
 if (r) {
  dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
  return r;
 }

 return 0;
}

int r520_resume(struct radeon_device *rdev)
{
 intif(rdev->flags &RADEON_IS_AGP {

 /* Make sur GART are not working */S_000005_MC_AGP_START>mcgtt_start>1) 
 if(>flags RADEON_IS_PCIE)
  rv370_pcie_gart_disable(rdev) WREG32_MC(_006_AGP_BASE, lower_32_bits(rdev->mc.agp_base);
 /* Resume clock before doing reset */
 rv515_clock_startup(rdev);
 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
 if (radeon_asic_reset   S_000007_AGP_BASE_ADDR_2(pper_32_bits(agp_base);
 dev_warn(>dev "PU reset failed ! (0xE40=0%8X, 0=x%0X\"
     WREG32_MC(, 0xFFFFFFFF)
    WREG32_MCR_000006_AGP_BASE 0;
 }
 /* post */
 atom_asic_init(rdev->mode_info.atom_context);
 /* Resume clock after posting */
 rv515_clock_startup(rdev);
 /* Initialize surface registers */
 radeon_surface_init}

 v515_mc_resume, &save;
 r = r520_startup(rdev);
 if (r) {
  rdev->accel_working = false
 }
returnr;
}

int r520_init(struct radeon_device *rdev)
{
 r520_mc_programrdev

 /* Initialize scratch registers */
 radeon_scratch_initrdev
 /* Initialize surface registers */
 radeon_surface_init(rdev);
 /* restore some register to sane defaults */(rdev
 r100_restore_sanity(rdev)
 /* TODO: disable VGA need to use VGA request */
 /* BIOS*/
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  r=(rdev
   return EINVAL
 }
if(rdev- 
  ();

   return r  radeon_wb_init(rdev);
 } else   return r;
  dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
 r -EINVAL
}
 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
  ((rdev{
 (rdev-,
 " failed!(xE400%0X 0=0%8\"java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
   (R_000E40_RBBM_STATUS
  RREG32));
  if)
 /* check if cards are posted or not */
 if (radeon_boot_test_post_card(rdev) == false)
 r -EINVAL

 ifrs600_irq_set(rdev
 ("GPU not . posting now..\";
  atom_asic_initrdev-.atom_context;
 }
 /* Initialize clocks */r =r100_cp_initrdev, 12 *02)java.lang.StringIndexOutOfBoundsException: Range [37, 38) out of bounds for length 37
  eturn;
 /* initialize AGP */
 if rdev- & RADEON_IS_AGP
   =radeon_agp_init);
 if( java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 
 java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 memory /
 r520_mc_init(rdev);
 rv515_debugfs(rdev);
 /* Fence driver */
radeon_fence_driver_init(dev)
 /* Memory manager */dev_warn>, GPU failed0 =x8)"
 r=radeon_bo_init();
  REG32())java.lang.StringIndexOutOfBoundsException: Range [29, 30) out of bounds for length 29
  return/
 r = rv370_pcie_gart_init(radeon_surface_init);
 if >accel_working ;
    r520_startup();
 rv515_set_safe_registers r java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

/
 radeon_pm_init(rdev);

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 r = r520_startup(rdev);java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 (rdev
 /* Somethings want wront with the accel init stop accel */);
  dev_err(rdev
  r100_cp_finirdev
  (rdev(r)
  radeon_ib_pool_fini(rdev);
  radeon_irq_kms_fini(rdev);
  rv370_pcie_gart_fini(rdev);
  radeon_agp_fini(rdev);
  rdev->accel_working = false;
 }
 return 0;
}