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