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
radeon_ucode_print_common_hdr(const struct common_firmware_header * hdr)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
radeon_ucode_print_mc_hdr(const struct common_firmware_header * hdr)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
radeon_ucode_print_smc_hdr(const struct common_firmware_header * hdr)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
radeon_ucode_print_gfx_hdr(const struct common_firmware_header * hdr)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
radeon_ucode_print_rlc_hdr(const struct common_firmware_header * hdr)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
radeon_ucode_print_sdma_hdr(const struct common_firmware_header * hdr)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
radeon_ucode_validate(const struct firmware * fw)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