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

   1/*
   2 * Copyright 2014 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 */
  23
  24#include <linux/firmware.h>
  25#include <linux/slab.h>
  26#include <linux/module.h>
  27
  28#include "radeon.h"
  29#include "radeon_ucode.h"
  30
  31static void radeon_ucode_print_common_hdr(const struct common_firmware_header *hdr)
  32{
  33        DRM_DEBUG("size_bytes: %u\n", le32_to_cpu(hdr->size_bytes));
  34        DRM_DEBUG("header_size_bytes: %u\n", le32_to_cpu(hdr->header_size_bytes));
  35        DRM_DEBUG("header_version_major: %u\n", le16_to_cpu(hdr->header_version_major));
  36        DRM_DEBUG("header_version_minor: %u\n", le16_to_cpu(hdr->header_version_minor));
  37        DRM_DEBUG("ip_version_major: %u\n", le16_to_cpu(hdr->ip_version_major));
  38        DRM_DEBUG("ip_version_minor: %u\n", le16_to_cpu(hdr->ip_version_minor));
  39        DRM_DEBUG("ucode_version: 0x%08x\n", le32_to_cpu(hdr->ucode_version));
  40        DRM_DEBUG("ucode_size_bytes: %u\n", le32_to_cpu(hdr->ucode_size_bytes));
  41        DRM_DEBUG("ucode_array_offset_bytes: %u\n",
  42                  le32_to_cpu(hdr->ucode_array_offset_bytes));
  43        DRM_DEBUG("crc32: 0x%08x\n", le32_to_cpu(hdr->crc32));
  44}
  45
  46void radeon_ucode_print_mc_hdr(const struct common_firmware_header *hdr)
  47{
  48        uint16_t version_major = le16_to_cpu(hdr->header_version_major);
  49        uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
  50
  51        DRM_DEBUG("MC\n");
  52        radeon_ucode_print_common_hdr(hdr);
  53
  54        if (version_major == 1) {
  55                const struct mc_firmware_header_v1_0 *mc_hdr =
  56                        container_of(hdr, struct mc_firmware_header_v1_0, header);
  57
  58                DRM_DEBUG("io_debug_size_bytes: %u\n",
  59                          le32_to_cpu(mc_hdr->io_debug_size_bytes));
  60                DRM_DEBUG("io_debug_array_offset_bytes: %u\n",
  61                          le32_to_cpu(mc_hdr->io_debug_array_offset_bytes));
  62        } else {
  63                DRM_ERROR("Unknown MC ucode version: %u.%u\n", version_major, version_minor);
  64        }
  65}
  66
  67void radeon_ucode_print_smc_hdr(const struct common_firmware_header *hdr)
  68{
  69        uint16_t version_major = le16_to_cpu(hdr->header_version_major);
  70        uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
  71
  72        DRM_DEBUG("SMC\n");
  73        radeon_ucode_print_common_hdr(hdr);
  74
  75        if (version_major == 1) {
  76                const struct smc_firmware_header_v1_0 *smc_hdr =
  77                        container_of(hdr, struct smc_firmware_header_v1_0, header);
  78
  79                DRM_DEBUG("ucode_start_addr: %u\n", le32_to_cpu(smc_hdr->ucode_start_addr));
  80        } else {
  81                DRM_ERROR("Unknown SMC ucode version: %u.%u\n", version_major, version_minor);
  82        }
  83}
  84
  85void radeon_ucode_print_gfx_hdr(const struct common_firmware_header *hdr)
  86{
  87        uint16_t version_major = le16_to_cpu(hdr->header_version_major);
  88        uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
  89
  90        DRM_DEBUG("GFX\n");
  91        radeon_ucode_print_common_hdr(hdr);
  92
  93        if (version_major == 1) {
  94                const struct gfx_firmware_header_v1_0 *gfx_hdr =
  95                        container_of(hdr, struct gfx_firmware_header_v1_0, header);
  96
  97                DRM_DEBUG("ucode_feature_version: %u\n",
  98                          le32_to_cpu(gfx_hdr->ucode_feature_version));
  99                DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(gfx_hdr->jt_offset));
 100                DRM_DEBUG("jt_size: %u\n", le32_to_cpu(gfx_hdr->jt_size));
 101        } else {
 102                DRM_ERROR("Unknown GFX ucode version: %u.%u\n", version_major, version_minor);
 103        }
 104}
 105
 106void radeon_ucode_print_rlc_hdr(const struct common_firmware_header *hdr)
 107{
 108        uint16_t version_major = le16_to_cpu(hdr->header_version_major);
 109        uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
 110
 111        DRM_DEBUG("RLC\n");
 112        radeon_ucode_print_common_hdr(hdr);
 113
 114        if (version_major == 1) {
 115                const struct rlc_firmware_header_v1_0 *rlc_hdr =
 116                        container_of(hdr, struct rlc_firmware_header_v1_0, header);
 117
 118                DRM_DEBUG("ucode_feature_version: %u\n",
 119                          le32_to_cpu(rlc_hdr->ucode_feature_version));
 120                DRM_DEBUG("save_and_restore_offset: %u\n",
 121                          le32_to_cpu(rlc_hdr->save_and_restore_offset));
 122                DRM_DEBUG("clear_state_descriptor_offset: %u\n",
 123                          le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));
 124                DRM_DEBUG("avail_scratch_ram_locations: %u\n",
 125                          le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));
 126                DRM_DEBUG("master_pkt_description_offset: %u\n",
 127                          le32_to_cpu(rlc_hdr->master_pkt_description_offset));
 128        } else {
 129                DRM_ERROR("Unknown RLC ucode version: %u.%u\n", version_major, version_minor);
 130        }
 131}
 132
 133void radeon_ucode_print_sdma_hdr(const struct common_firmware_header *hdr)
 134{
 135        uint16_t version_major = le16_to_cpu(hdr->header_version_major);
 136        uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
 137
 138        DRM_DEBUG("SDMA\n");
 139        radeon_ucode_print_common_hdr(hdr);
 140
 141        if (version_major == 1) {
 142                const struct sdma_firmware_header_v1_0 *sdma_hdr =
 143                        container_of(hdr, struct sdma_firmware_header_v1_0, header);
 144
 145                DRM_DEBUG("ucode_feature_version: %u\n",
 146                          le32_to_cpu(sdma_hdr->ucode_feature_version));
 147                DRM_DEBUG("ucode_change_version: %u\n",
 148                          le32_to_cpu(sdma_hdr->ucode_change_version));
 149                DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(sdma_hdr->jt_offset));
 150                DRM_DEBUG("jt_size: %u\n", le32_to_cpu(sdma_hdr->jt_size));
 151        } else {
 152                DRM_ERROR("Unknown SDMA ucode version: %u.%u\n",
 153                          version_major, version_minor);
 154        }
 155}
 156
 157int radeon_ucode_validate(const struct firmware *fw)
 158{
 159        const struct common_firmware_header *hdr =
 160                (const struct common_firmware_header *)fw->data;
 161
 162        if (fw->size == le32_to_cpu(hdr->size_bytes))
 163                return 0;
 164
 165        return -EINVAL;
 166}
 167
 168