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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 |