drivers/gpu/drm/radeon/radeon_ucode.c

   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 #include <drm/drmP.h>
  28 #include "radeon.h"
  29 #include "radeon_ucode.h"
  30
  31 static 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
  46 void 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
  67 void 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
  85 void 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
 106 void 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
 133 void 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
 157 int 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