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 #ifdef DRMDEBUG 56 const struct mc_firmware_header_v1_0 *mc_hdr = 57 container_of(hdr, struct mc_firmware_header_v1_0, header); 58 #endif 59 60 DRM_DEBUG("io_debug_size_bytes: %u\n", 61 le32_to_cpu(mc_hdr->io_debug_size_bytes)); 62 DRM_DEBUG("io_debug_array_offset_bytes: %u\n", 63 le32_to_cpu(mc_hdr->io_debug_array_offset_bytes)); 64 } else { 65 DRM_ERROR("Unknown MC ucode version: %u.%u\n", version_major, version_minor); 66 } 67 } 68 69 void radeon_ucode_print_smc_hdr(const struct common_firmware_header *hdr) 70 { 71 uint16_t version_major = le16_to_cpu(hdr->header_version_major); 72 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 73 74 DRM_DEBUG("SMC\n"); 75 radeon_ucode_print_common_hdr(hdr); 76 77 if (version_major == 1) { 78 #ifdef DRMDEBUG 79 const struct smc_firmware_header_v1_0 *smc_hdr = 80 container_of(hdr, struct smc_firmware_header_v1_0, header); 81 #endif 82 83 DRM_DEBUG("ucode_start_addr: %u\n", le32_to_cpu(smc_hdr->ucode_start_addr)); 84 } else { 85 DRM_ERROR("Unknown SMC ucode version: %u.%u\n", version_major, version_minor); 86 } 87 } 88 89 void radeon_ucode_print_gfx_hdr(const struct common_firmware_header *hdr) 90 { 91 uint16_t version_major = le16_to_cpu(hdr->header_version_major); 92 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 93 94 DRM_DEBUG("GFX\n"); 95 radeon_ucode_print_common_hdr(hdr); 96 97 if (version_major == 1) { 98 #ifdef DRMDEBUG 99 const struct gfx_firmware_header_v1_0 *gfx_hdr = 100 container_of(hdr, struct gfx_firmware_header_v1_0, header); 101 #endif 102 103 DRM_DEBUG("ucode_feature_version: %u\n", 104 le32_to_cpu(gfx_hdr->ucode_feature_version)); 105 DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(gfx_hdr->jt_offset)); 106 DRM_DEBUG("jt_size: %u\n", le32_to_cpu(gfx_hdr->jt_size)); 107 } else { 108 DRM_ERROR("Unknown GFX ucode version: %u.%u\n", version_major, version_minor); 109 } 110 } 111 112 void radeon_ucode_print_rlc_hdr(const struct common_firmware_header *hdr) 113 { 114 uint16_t version_major = le16_to_cpu(hdr->header_version_major); 115 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 116 117 DRM_DEBUG("RLC\n"); 118 radeon_ucode_print_common_hdr(hdr); 119 120 if (version_major == 1) { 121 #ifdef DRMDEBUG 122 const struct rlc_firmware_header_v1_0 *rlc_hdr = 123 container_of(hdr, struct rlc_firmware_header_v1_0, header); 124 #endif 125 126 DRM_DEBUG("ucode_feature_version: %u\n", 127 le32_to_cpu(rlc_hdr->ucode_feature_version)); 128 DRM_DEBUG("save_and_restore_offset: %u\n", 129 le32_to_cpu(rlc_hdr->save_and_restore_offset)); 130 DRM_DEBUG("clear_state_descriptor_offset: %u\n", 131 le32_to_cpu(rlc_hdr->clear_state_descriptor_offset)); 132 DRM_DEBUG("avail_scratch_ram_locations: %u\n", 133 le32_to_cpu(rlc_hdr->avail_scratch_ram_locations)); 134 DRM_DEBUG("master_pkt_description_offset: %u\n", 135 le32_to_cpu(rlc_hdr->master_pkt_description_offset)); 136 } else { 137 DRM_ERROR("Unknown RLC ucode version: %u.%u\n", version_major, version_minor); 138 } 139 } 140 141 void radeon_ucode_print_sdma_hdr(const struct common_firmware_header *hdr) 142 { 143 uint16_t version_major = le16_to_cpu(hdr->header_version_major); 144 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 145 146 DRM_DEBUG("SDMA\n"); 147 radeon_ucode_print_common_hdr(hdr); 148 149 if (version_major == 1) { 150 #ifdef DRMDEBUG 151 const struct sdma_firmware_header_v1_0 *sdma_hdr = 152 container_of(hdr, struct sdma_firmware_header_v1_0, header); 153 #endif 154 155 DRM_DEBUG("ucode_feature_version: %u\n", 156 le32_to_cpu(sdma_hdr->ucode_feature_version)); 157 DRM_DEBUG("ucode_change_version: %u\n", 158 le32_to_cpu(sdma_hdr->ucode_change_version)); 159 DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(sdma_hdr->jt_offset)); 160 DRM_DEBUG("jt_size: %u\n", le32_to_cpu(sdma_hdr->jt_size)); 161 } else { 162 DRM_ERROR("Unknown SDMA ucode version: %u.%u\n", 163 version_major, version_minor); 164 } 165 } 166 167 int radeon_ucode_validate(const struct firmware *fw) 168 { 169 const struct common_firmware_header *hdr = 170 (const struct common_firmware_header *)fw->data; 171 172 if (fw->size == le32_to_cpu(hdr->size_bytes)) 173 return 0; 174 175 return -EINVAL; 176 } 177 178