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 } 167 168