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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 "amdgpu.h"
29#include "amdgpu_ucode.h"
30
31static void amdgpu_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
46void amdgpu_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 amdgpu_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
67void amdgpu_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 amdgpu_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
85void amdgpu_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 amdgpu_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
106void amdgpu_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 amdgpu_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 if (version_major == 2) {
129 const struct rlc_firmware_header_v2_0 *rlc_hdr =
130 container_of(hdr, struct rlc_firmware_header_v2_0, header);
131
132 DRM_DEBUG("ucode_feature_version: %u\n",
133 le32_to_cpu(rlc_hdr->ucode_feature_version));
134 DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(rlc_hdr->jt_offset));
135 DRM_DEBUG("jt_size: %u\n", le32_to_cpu(rlc_hdr->jt_size));
136 DRM_DEBUG("save_and_restore_offset: %u\n",
137 le32_to_cpu(rlc_hdr->save_and_restore_offset));
138 DRM_DEBUG("clear_state_descriptor_offset: %u\n",
139 le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));
140 DRM_DEBUG("avail_scratch_ram_locations: %u\n",
141 le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));
142 DRM_DEBUG("reg_restore_list_size: %u\n",
143 le32_to_cpu(rlc_hdr->reg_restore_list_size));
144 DRM_DEBUG("reg_list_format_start: %u\n",
145 le32_to_cpu(rlc_hdr->reg_list_format_start));
146 DRM_DEBUG("reg_list_format_separate_start: %u\n",
147 le32_to_cpu(rlc_hdr->reg_list_format_separate_start));
148 DRM_DEBUG("starting_offsets_start: %u\n",
149 le32_to_cpu(rlc_hdr->starting_offsets_start));
150 DRM_DEBUG("reg_list_format_size_bytes: %u\n",
151 le32_to_cpu(rlc_hdr->reg_list_format_size_bytes));
152 DRM_DEBUG("reg_list_format_array_offset_bytes: %u\n",
153 le32_to_cpu(rlc_hdr->reg_list_format_array_offset_bytes));
154 DRM_DEBUG("reg_list_size_bytes: %u\n",
155 le32_to_cpu(rlc_hdr->reg_list_size_bytes));
156 DRM_DEBUG("reg_list_array_offset_bytes: %u\n",
157 le32_to_cpu(rlc_hdr->reg_list_array_offset_bytes));
158 DRM_DEBUG("reg_list_format_separate_size_bytes: %u\n",
159 le32_to_cpu(rlc_hdr->reg_list_format_separate_size_bytes));
160 DRM_DEBUG("reg_list_format_separate_array_offset_bytes: %u\n",
161 le32_to_cpu(rlc_hdr->reg_list_format_separate_array_offset_bytes));
162 DRM_DEBUG("reg_list_separate_size_bytes: %u\n",
163 le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));
164 DRM_DEBUG("reg_list_separate_size_bytes: %u\n",
165 le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));
166 } else {
167 DRM_ERROR("Unknown RLC ucode version: %u.%u\n", version_major, version_minor);
168 }
169}
170
171void amdgpu_ucode_print_sdma_hdr(const struct common_firmware_header *hdr)
172{
173 uint16_t version_major = le16_to_cpu(hdr->header_version_major);
174 uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
175
176 DRM_DEBUG("SDMA\n");
177 amdgpu_ucode_print_common_hdr(hdr);
178
179 if (version_major == 1) {
180 const struct sdma_firmware_header_v1_0 *sdma_hdr =
181 container_of(hdr, struct sdma_firmware_header_v1_0, header);
182
183 DRM_DEBUG("ucode_feature_version: %u\n",
184 le32_to_cpu(sdma_hdr->ucode_feature_version));
185 DRM_DEBUG("ucode_change_version: %u\n",
186 le32_to_cpu(sdma_hdr->ucode_change_version));
187 DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(sdma_hdr->jt_offset));
188 DRM_DEBUG("jt_size: %u\n", le32_to_cpu(sdma_hdr->jt_size));
189 if (version_minor >= 1) {
190 const struct sdma_firmware_header_v1_1 *sdma_v1_1_hdr =
191 container_of(sdma_hdr, struct sdma_firmware_header_v1_1, v1_0);
192 DRM_DEBUG("digest_size: %u\n", le32_to_cpu(sdma_v1_1_hdr->digest_size));
193 }
194 } else {
195 DRM_ERROR("Unknown SDMA ucode version: %u.%u\n",
196 version_major, version_minor);
197 }
198}
199
200int amdgpu_ucode_validate(const struct firmware *fw)
201{
202 const struct common_firmware_header *hdr =
203 (const struct common_firmware_header *)fw->data;
204
205 if (fw->size == le32_to_cpu(hdr->size_bytes))
206 return 0;
207
208 return -EINVAL;
209}
210
211bool amdgpu_ucode_hdr_version(union amdgpu_firmware_header *hdr,
212 uint16_t hdr_major, uint16_t hdr_minor)
213{
214 if ((hdr->common.header_version_major == hdr_major) &&
215 (hdr->common.header_version_minor == hdr_minor))
216 return false;
217 return true;
218}
219
220static int amdgpu_ucode_init_single_fw(struct amdgpu_firmware_info *ucode,
221 uint64_t mc_addr, void *kptr)
222{
223 const struct common_firmware_header *header = NULL;
224
225 if (NULL == ucode->fw)
226 return 0;
227
228 ucode->mc_addr = mc_addr;
229 ucode->kaddr = kptr;
230
231 header = (const struct common_firmware_header *)ucode->fw->data;
232 memcpy(ucode->kaddr, (void *)((uint8_t *)ucode->fw->data +
233 le32_to_cpu(header->ucode_array_offset_bytes)),
234 le32_to_cpu(header->ucode_size_bytes));
235
236 return 0;
237}
238
239int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
240{
241 struct amdgpu_bo **bo = &adev->firmware.fw_buf;
242 uint64_t fw_mc_addr;
243 void *fw_buf_ptr = NULL;
244 uint64_t fw_offset = 0;
245 int i, err;
246 struct amdgpu_firmware_info *ucode = NULL;
247 const struct common_firmware_header *header = NULL;
248
249 err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true,
250 AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, bo);
251 if (err) {
252 dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);
253 err = -ENOMEM;
254 goto failed;
255 }
256
257 err = amdgpu_bo_reserve(*bo, false);
258 if (err) {
259 amdgpu_bo_unref(bo);
260 dev_err(adev->dev, "(%d) Firmware buffer reserve failed\n", err);
261 goto failed;
262 }
263
264 err = amdgpu_bo_pin(*bo, AMDGPU_GEM_DOMAIN_GTT, &fw_mc_addr);
265 if (err) {
266 amdgpu_bo_unreserve(*bo);
267 amdgpu_bo_unref(bo);
268 dev_err(adev->dev, "(%d) Firmware buffer pin failed\n", err);
269 goto failed;
270 }
271
272 err = amdgpu_bo_kmap(*bo, &fw_buf_ptr);
273 if (err) {
274 dev_err(adev->dev, "(%d) Firmware buffer kmap failed\n", err);
275 amdgpu_bo_unpin(*bo);
276 amdgpu_bo_unreserve(*bo);
277 amdgpu_bo_unref(bo);
278 goto failed;
279 }
280
281 amdgpu_bo_unreserve(*bo);
282
283 fw_offset = 0;
284 for (i = 0; i < AMDGPU_UCODE_ID_MAXIMUM; i++) {
285 ucode = &adev->firmware.ucode[i];
286 if (ucode->fw) {
287 header = (const struct common_firmware_header *)ucode->fw->data;
288 amdgpu_ucode_init_single_fw(ucode, fw_mc_addr + fw_offset,
289 fw_buf_ptr + fw_offset);
290 fw_offset += ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
291 }
292 }
293
294failed:
295 if (err)
296 adev->firmware.smu_load = false;
297
298 return err;
299}
300
301int amdgpu_ucode_fini_bo(struct amdgpu_device *adev)
302{
303 int i;
304 struct amdgpu_firmware_info *ucode = NULL;
305
306 for (i = 0; i < AMDGPU_UCODE_ID_MAXIMUM; i++) {
307 ucode = &adev->firmware.ucode[i];
308 if (ucode->fw) {
309 ucode->mc_addr = 0;
310 ucode->kaddr = NULL;
311 }
312 }
313 amdgpu_bo_unref(&adev->firmware.fw_buf);
314 adev->firmware.fw_buf = NULL;
315
316 return 0;
317}