1 /* $NetBSD: radeon_ucode.c,v 1.4 2021/12/18 23:45:43 riastradh Exp $ */ 2 3 /* 4 * Copyright 2014 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26 #include <sys/cdefs.h> 27 __KERNEL_RCSID(0, "$NetBSD: radeon_ucode.c,v 1.4 2021/12/18 23:45:43 riastradh Exp $"); 28 29 #include <linux/firmware.h> 30 #include <linux/slab.h> 31 #include <linux/module.h> 32 33 #include "radeon.h" 34 #include "radeon_ucode.h" 35 36 static void radeon_ucode_print_common_hdr(const struct common_firmware_header *hdr) 37 { 38 DRM_DEBUG("size_bytes: %u\n", le32_to_cpu(hdr->size_bytes)); 39 DRM_DEBUG("header_size_bytes: %u\n", le32_to_cpu(hdr->header_size_bytes)); 40 DRM_DEBUG("header_version_major: %u\n", le16_to_cpu(hdr->header_version_major)); 41 DRM_DEBUG("header_version_minor: %u\n", le16_to_cpu(hdr->header_version_minor)); 42 DRM_DEBUG("ip_version_major: %u\n", le16_to_cpu(hdr->ip_version_major)); 43 DRM_DEBUG("ip_version_minor: %u\n", le16_to_cpu(hdr->ip_version_minor)); 44 DRM_DEBUG("ucode_version: 0x%08x\n", le32_to_cpu(hdr->ucode_version)); 45 DRM_DEBUG("ucode_size_bytes: %u\n", le32_to_cpu(hdr->ucode_size_bytes)); 46 DRM_DEBUG("ucode_array_offset_bytes: %u\n", 47 le32_to_cpu(hdr->ucode_array_offset_bytes)); 48 DRM_DEBUG("crc32: 0x%08x\n", le32_to_cpu(hdr->crc32)); 49 } 50 51 void radeon_ucode_print_mc_hdr(const struct common_firmware_header *hdr) 52 { 53 uint16_t version_major = le16_to_cpu(hdr->header_version_major); 54 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 55 56 DRM_DEBUG("MC\n"); 57 radeon_ucode_print_common_hdr(hdr); 58 59 if (version_major == 1) { 60 const struct mc_firmware_header_v1_0 *mc_hdr = 61 const_container_of(hdr, struct mc_firmware_header_v1_0, header); 62 63 DRM_DEBUG("io_debug_size_bytes: %u\n", 64 le32_to_cpu(mc_hdr->io_debug_size_bytes)); 65 DRM_DEBUG("io_debug_array_offset_bytes: %u\n", 66 le32_to_cpu(mc_hdr->io_debug_array_offset_bytes)); 67 } else { 68 DRM_ERROR("Unknown MC ucode version: %u.%u\n", version_major, version_minor); 69 } 70 } 71 72 void radeon_ucode_print_smc_hdr(const struct common_firmware_header *hdr) 73 { 74 uint16_t version_major = le16_to_cpu(hdr->header_version_major); 75 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 76 77 DRM_DEBUG("SMC\n"); 78 radeon_ucode_print_common_hdr(hdr); 79 80 if (version_major == 1) { 81 const struct smc_firmware_header_v1_0 *smc_hdr = 82 const_container_of(hdr, struct smc_firmware_header_v1_0, header); 83 84 DRM_DEBUG("ucode_start_addr: %u\n", le32_to_cpu(smc_hdr->ucode_start_addr)); 85 } else { 86 DRM_ERROR("Unknown SMC ucode version: %u.%u\n", version_major, version_minor); 87 } 88 } 89 90 void radeon_ucode_print_gfx_hdr(const struct common_firmware_header *hdr) 91 { 92 uint16_t version_major = le16_to_cpu(hdr->header_version_major); 93 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 94 95 DRM_DEBUG("GFX\n"); 96 radeon_ucode_print_common_hdr(hdr); 97 98 if (version_major == 1) { 99 const struct gfx_firmware_header_v1_0 *gfx_hdr = 100 const_container_of(hdr, struct gfx_firmware_header_v1_0, header); 101 102 DRM_DEBUG("ucode_feature_version: %u\n", 103 le32_to_cpu(gfx_hdr->ucode_feature_version)); 104 DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(gfx_hdr->jt_offset)); 105 DRM_DEBUG("jt_size: %u\n", le32_to_cpu(gfx_hdr->jt_size)); 106 } else { 107 DRM_ERROR("Unknown GFX ucode version: %u.%u\n", version_major, version_minor); 108 } 109 } 110 111 void radeon_ucode_print_rlc_hdr(const struct common_firmware_header *hdr) 112 { 113 uint16_t version_major = le16_to_cpu(hdr->header_version_major); 114 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 115 116 DRM_DEBUG("RLC\n"); 117 radeon_ucode_print_common_hdr(hdr); 118 119 if (version_major == 1) { 120 const struct rlc_firmware_header_v1_0 *rlc_hdr = 121 const_container_of(hdr, struct rlc_firmware_header_v1_0, header); 122 123 DRM_DEBUG("ucode_feature_version: %u\n", 124 le32_to_cpu(rlc_hdr->ucode_feature_version)); 125 DRM_DEBUG("save_and_restore_offset: %u\n", 126 le32_to_cpu(rlc_hdr->save_and_restore_offset)); 127 DRM_DEBUG("clear_state_descriptor_offset: %u\n", 128 le32_to_cpu(rlc_hdr->clear_state_descriptor_offset)); 129 DRM_DEBUG("avail_scratch_ram_locations: %u\n", 130 le32_to_cpu(rlc_hdr->avail_scratch_ram_locations)); 131 DRM_DEBUG("master_pkt_description_offset: %u\n", 132 le32_to_cpu(rlc_hdr->master_pkt_description_offset)); 133 } else { 134 DRM_ERROR("Unknown RLC ucode version: %u.%u\n", version_major, version_minor); 135 } 136 } 137 138 void radeon_ucode_print_sdma_hdr(const struct common_firmware_header *hdr) 139 { 140 uint16_t version_major = le16_to_cpu(hdr->header_version_major); 141 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 142 143 DRM_DEBUG("SDMA\n"); 144 radeon_ucode_print_common_hdr(hdr); 145 146 if (version_major == 1) { 147 const struct sdma_firmware_header_v1_0 *sdma_hdr = 148 const_container_of(hdr, struct sdma_firmware_header_v1_0, header); 149 150 DRM_DEBUG("ucode_feature_version: %u\n", 151 le32_to_cpu(sdma_hdr->ucode_feature_version)); 152 DRM_DEBUG("ucode_change_version: %u\n", 153 le32_to_cpu(sdma_hdr->ucode_change_version)); 154 DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(sdma_hdr->jt_offset)); 155 DRM_DEBUG("jt_size: %u\n", le32_to_cpu(sdma_hdr->jt_size)); 156 } else { 157 DRM_ERROR("Unknown SDMA ucode version: %u.%u\n", 158 version_major, version_minor); 159 } 160 } 161 162 int radeon_ucode_validate(const struct firmware *fw) 163 { 164 const struct common_firmware_header *hdr = 165 (const struct common_firmware_header *)fw->data; 166 167 if (fw->size == le32_to_cpu(hdr->size_bytes)) 168 return 0; 169 170 return -EINVAL; 171 } 172 173