LXR linux/drivers/gpu/drm/radeon/uvd_v2

   1/*
   2 * Copyright 2013 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: Christian König <christian.koenig@amd.com>
  23 */
  24
  25#include <linux/firmware.h>
  26
  27#include "radeon.h"
  28#include "radeon_asic.h"
  29#include "rv770d.h"
  30
  31/**
  32 * uvd_v2_2_fence_emit - emit an fence & trap command
  33 *
  34 * @rdev: radeon_device pointer
  35 * @fence: fence to emit
  36 *
  37 * Write a fence and a trap command to the ring.
  38 */
  39void uvd_v2_2_fence_emit(struct radeon_device *rdev,
  40                         struct radeon_fence *fence)
  41{
  42        struct radeon_ring *ring = &rdev->ring[fence->ring];
  43        uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr;
  44
  45        radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
  46        radeon_ring_write(ring, fence->seq);
  47        radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
  48        radeon_ring_write(ring, lower_32_bits(addr));
  49        radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
  50        radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
  51        radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
  52        radeon_ring_write(ring, 0);
  53
  54        radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
  55        radeon_ring_write(ring, 0);
  56        radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
  57        radeon_ring_write(ring, 0);
  58        radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
  59        radeon_ring_write(ring, 2);
  60}
  61
  62/**
  63 * uvd_v2_2_semaphore_emit - emit semaphore command
  64 *
  65 * @rdev: radeon_device pointer
  66 * @ring: radeon_ring pointer
  67 * @semaphore: semaphore to emit commands for
  68 * @emit_wait: true if we should emit a wait command
  69 *
  70 * Emit a semaphore command (either wait or signal) to the UVD ring.
  71 */
  72bool uvd_v2_2_semaphore_emit(struct radeon_device *rdev,
  73                             struct radeon_ring *ring,
  74                             struct radeon_semaphore *semaphore,
  75                             bool emit_wait)
  76{
  77        uint64_t addr = semaphore->gpu_addr;
  78
  79        radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0));
  80        radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
  81
  82        radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0));
  83        radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
  84
  85        radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
  86        radeon_ring_write(ring, emit_wait ? 1 : 0);
  87
  88        return true;
  89}
  90
  91/**
  92 * uvd_v2_2_resume - memory controller programming
  93 *
  94 * @rdev: radeon_device pointer
  95 *
  96 * Let the UVD memory controller know it's offsets
  97 */
  98int uvd_v2_2_resume(struct radeon_device *rdev)
  99{
 100        uint64_t addr;
 101        uint32_t chip_id, size;
 102        int r;
 103
 104        /* RV770 uses V1.0 MC */
 105        if (rdev->family == CHIP_RV770)
 106                return uvd_v1_0_resume(rdev);
 107
 108        r = radeon_uvd_resume(rdev);
 109        if (r)
 110                return r;
 111
 112        /* programm the VCPU memory controller bits 0-27 */
 113        addr = rdev->uvd.gpu_addr >> 3;
 114        size = RADEON_GPU_PAGE_ALIGN(rdev->uvd_fw->size + 4) >> 3;
 115        WREG32(UVD_VCPU_CACHE_OFFSET0, addr);
 116        WREG32(UVD_VCPU_CACHE_SIZE0, size);
 117
 118        addr += size;
 119        size = RADEON_UVD_HEAP_SIZE >> 3;
 120        WREG32(UVD_VCPU_CACHE_OFFSET1, addr);
 121        WREG32(UVD_VCPU_CACHE_SIZE1, size);
 122
 123        addr += size;
 124        size = (RADEON_UVD_STACK_SIZE +
 125               (RADEON_UVD_SESSION_SIZE * rdev->uvd.max_handles)) >> 3;
 126        WREG32(UVD_VCPU_CACHE_OFFSET2, addr);
 127        WREG32(UVD_VCPU_CACHE_SIZE2, size);
 128
 129        /* bits 28-31 */
 130        addr = (rdev->uvd.gpu_addr >> 28) & 0xF;
 131        WREG32(UVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0));
 132
 133        /* bits 32-39 */
 134        addr = (rdev->uvd.gpu_addr >> 32) & 0xFF;
 135        WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
 136
 137        /* tell firmware which hardware it is running on */
 138        switch (rdev->family) {
 139        default:
 140                return -EINVAL;
 141        case CHIP_RV710:
 142                chip_id = 0x01000005;
 143                break;
 144        case CHIP_RV730:
 145                chip_id = 0x01000006;
 146                break;
 147        case CHIP_RV740:
 148                chip_id = 0x01000007;
 149                break;
 150        case CHIP_CYPRESS:
 151        case CHIP_HEMLOCK:
 152                chip_id = 0x01000008;
 153                break;
 154        case CHIP_JUNIPER:
 155                chip_id = 0x01000009;
 156                break;
 157        case CHIP_REDWOOD:
 158                chip_id = 0x0100000a;
 159                break;
 160        case CHIP_CEDAR:
 161                chip_id = 0x0100000b;
 162                break;
 163        case CHIP_SUMO:
 164        case CHIP_SUMO2:
 165                chip_id = 0x0100000c;
 166                break;
 167        case CHIP_PALM:
 168                chip_id = 0x0100000e;
 169                break;
 170        case CHIP_CAYMAN:
 171                chip_id = 0x0100000f;
 172                break;
 173        case CHIP_BARTS:
 174                chip_id = 0x01000010;
 175                break;
 176        case CHIP_TURKS:
 177                chip_id = 0x01000011;
 178                break;
 179        case CHIP_CAICOS:
 180                chip_id = 0x01000012;
 181                break;
 182        case CHIP_TAHITI:
 183                chip_id = 0x01000014;
 184                break;
 185        case CHIP_VERDE:
 186                chip_id = 0x01000015;
 187                break;
 188        case CHIP_PITCAIRN:
 189        case CHIP_OLAND:
 190                chip_id = 0x01000016;
 191                break;
 192        case CHIP_ARUBA:
 193                chip_id = 0x01000017;
 194                break;
 195        }
 196        WREG32(UVD_VCPU_CHIP_ID, chip_id);
 197
 198        return 0;
 199}
 200