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1/*
2 * Copyright 2016 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 * Author: Huang Rui
23 *
24 */
25
26#include <linux/firmware.h>
27#include <linux/module.h>
28#include <linux/pci.h>
29
30#include "amdgpu.h"
31#include "amdgpu_psp.h"
32#include "amdgpu_ucode.h"
33#include "soc15_common.h"
34#include "psp_v10_0.h"
35
36#include "mp/mp_10_0_offset.h"
37#include "gc/gc_9_1_offset.h"
38#include "sdma0/sdma0_4_1_offset.h"
39
40MODULE_FIRMWARE("amdgpu/raven_asd.bin");
41MODULE_FIRMWARE("amdgpu/picasso_asd.bin");
42MODULE_FIRMWARE("amdgpu/raven2_asd.bin");
43MODULE_FIRMWARE("amdgpu/picasso_ta.bin");
44MODULE_FIRMWARE("amdgpu/raven2_ta.bin");
45MODULE_FIRMWARE("amdgpu/raven_ta.bin");
46
47static int psp_v10_0_init_microcode(struct psp_context *psp)
48{
49 struct amdgpu_device *adev = psp->adev;
50 char ucode_prefix[30];
51 int err = 0;
52 DRM_DEBUG("\n");
53
54 amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
55
56 err = psp_init_asd_microcode(psp, ucode_prefix);
57 if (err)
58 return err;
59
60 err = psp_init_ta_microcode(psp, ucode_prefix);
61 if ((amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 1, 0)) &&
62 (adev->pdev->revision == 0xa1) &&
63 (psp->securedisplay_context.context.bin_desc.fw_version >=
64 0x27000008)) {
65 adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0;
66 }
67 return err;
68}
69
70static int psp_v10_0_ring_create(struct psp_context *psp,
71 enum psp_ring_type ring_type)
72{
73 int ret = 0;
74 unsigned int psp_ring_reg = 0;
75 struct psp_ring *ring = &psp->km_ring;
76 struct amdgpu_device *adev = psp->adev;
77
78 /* Write low address of the ring to C2PMSG_69 */
79 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
80 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
81 /* Write high address of the ring to C2PMSG_70 */
82 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
83 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
84 /* Write size of ring to C2PMSG_71 */
85 psp_ring_reg = ring->ring_size;
86 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
87 /* Write the ring initialization command to C2PMSG_64 */
88 psp_ring_reg = ring_type;
89 psp_ring_reg = psp_ring_reg << 16;
90 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
91
92 /* There might be handshake issue with hardware which needs delay */
93 mdelay(20);
94
95 /* Wait for response flag (bit 31) in C2PMSG_64 */
96 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
97 0x80000000, 0x8000FFFF, false);
98
99 return ret;
100}
101
102static int psp_v10_0_ring_stop(struct psp_context *psp,
103 enum psp_ring_type ring_type)
104{
105 int ret = 0;
106 unsigned int psp_ring_reg = 0;
107 struct amdgpu_device *adev = psp->adev;
108
109 /* Write the ring destroy command to C2PMSG_64 */
110 psp_ring_reg = 3 << 16;
111 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
112
113 /* There might be handshake issue with hardware which needs delay */
114 mdelay(20);
115
116 /* Wait for response flag (bit 31) in C2PMSG_64 */
117 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
118 0x80000000, 0x80000000, false);
119
120 return ret;
121}
122
123static int psp_v10_0_ring_destroy(struct psp_context *psp,
124 enum psp_ring_type ring_type)
125{
126 int ret = 0;
127 struct psp_ring *ring = &psp->km_ring;
128 struct amdgpu_device *adev = psp->adev;
129
130 ret = psp_v10_0_ring_stop(psp, ring_type);
131 if (ret)
132 DRM_ERROR("Fail to stop psp ring\n");
133
134 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
135 &ring->ring_mem_mc_addr,
136 (void **)&ring->ring_mem);
137
138 return ret;
139}
140
141static int psp_v10_0_mode1_reset(struct psp_context *psp)
142{
143 DRM_INFO("psp mode 1 reset not supported now! \n");
144 return -EINVAL;
145}
146
147static uint32_t psp_v10_0_ring_get_wptr(struct psp_context *psp)
148{
149 struct amdgpu_device *adev = psp->adev;
150
151 return RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
152}
153
154static void psp_v10_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
155{
156 struct amdgpu_device *adev = psp->adev;
157
158 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
159}
160
161static const struct psp_funcs psp_v10_0_funcs = {
162 .init_microcode = psp_v10_0_init_microcode,
163 .ring_create = psp_v10_0_ring_create,
164 .ring_stop = psp_v10_0_ring_stop,
165 .ring_destroy = psp_v10_0_ring_destroy,
166 .mode1_reset = psp_v10_0_mode1_reset,
167 .ring_get_wptr = psp_v10_0_ring_get_wptr,
168 .ring_set_wptr = psp_v10_0_ring_set_wptr,
169};
170
171void psp_v10_0_set_psp_funcs(struct psp_context *psp)
172{
173 psp->funcs = &psp_v10_0_funcs;
174}
1/*
2 * Copyright 2016 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 * Author: Huang Rui
23 *
24 */
25
26#include <linux/firmware.h>
27#include <linux/module.h>
28#include <linux/pci.h>
29
30#include "amdgpu.h"
31#include "amdgpu_psp.h"
32#include "amdgpu_ucode.h"
33#include "soc15_common.h"
34#include "psp_v10_0.h"
35
36#include "mp/mp_10_0_offset.h"
37#include "gc/gc_9_1_offset.h"
38#include "sdma0/sdma0_4_1_offset.h"
39
40MODULE_FIRMWARE("amdgpu/raven_asd.bin");
41MODULE_FIRMWARE("amdgpu/picasso_asd.bin");
42MODULE_FIRMWARE("amdgpu/raven2_asd.bin");
43
44static int psp_v10_0_init_microcode(struct psp_context *psp)
45{
46 struct amdgpu_device *adev = psp->adev;
47 const char *chip_name;
48 char fw_name[30];
49 int err = 0;
50 const struct psp_firmware_header_v1_0 *hdr;
51
52 DRM_DEBUG("\n");
53
54 switch (adev->asic_type) {
55 case CHIP_RAVEN:
56 if (adev->rev_id >= 0x8)
57 chip_name = "raven2";
58 else if (adev->pdev->device == 0x15d8)
59 chip_name = "picasso";
60 else
61 chip_name = "raven";
62 break;
63 default: BUG();
64 }
65
66 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
67 err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
68 if (err)
69 goto out;
70
71 err = amdgpu_ucode_validate(adev->psp.asd_fw);
72 if (err)
73 goto out;
74
75 hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
76 adev->psp.asd_fw_version = le32_to_cpu(hdr->header.ucode_version);
77 adev->psp.asd_feature_version = le32_to_cpu(hdr->ucode_feature_version);
78 adev->psp.asd_ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
79 adev->psp.asd_start_addr = (uint8_t *)hdr +
80 le32_to_cpu(hdr->header.ucode_array_offset_bytes);
81
82 return 0;
83out:
84 if (err) {
85 dev_err(adev->dev,
86 "psp v10.0: Failed to load firmware \"%s\"\n",
87 fw_name);
88 release_firmware(adev->psp.asd_fw);
89 adev->psp.asd_fw = NULL;
90 }
91
92 return err;
93}
94
95static int psp_v10_0_ring_init(struct psp_context *psp,
96 enum psp_ring_type ring_type)
97{
98 int ret = 0;
99 struct psp_ring *ring;
100 struct amdgpu_device *adev = psp->adev;
101
102 ring = &psp->km_ring;
103
104 ring->ring_type = ring_type;
105
106 /* allocate 4k Page of Local Frame Buffer memory for ring */
107 ring->ring_size = 0x1000;
108 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
109 AMDGPU_GEM_DOMAIN_VRAM,
110 &adev->firmware.rbuf,
111 &ring->ring_mem_mc_addr,
112 (void **)&ring->ring_mem);
113 if (ret) {
114 ring->ring_size = 0;
115 return ret;
116 }
117
118 return 0;
119}
120
121static int psp_v10_0_ring_create(struct psp_context *psp,
122 enum psp_ring_type ring_type)
123{
124 int ret = 0;
125 unsigned int psp_ring_reg = 0;
126 struct psp_ring *ring = &psp->km_ring;
127 struct amdgpu_device *adev = psp->adev;
128
129 /* Write low address of the ring to C2PMSG_69 */
130 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
131 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
132 /* Write high address of the ring to C2PMSG_70 */
133 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
134 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
135 /* Write size of ring to C2PMSG_71 */
136 psp_ring_reg = ring->ring_size;
137 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
138 /* Write the ring initialization command to C2PMSG_64 */
139 psp_ring_reg = ring_type;
140 psp_ring_reg = psp_ring_reg << 16;
141 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
142
143 /* There might be handshake issue with hardware which needs delay */
144 mdelay(20);
145
146 /* Wait for response flag (bit 31) in C2PMSG_64 */
147 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
148 0x80000000, 0x8000FFFF, false);
149
150 return ret;
151}
152
153static int psp_v10_0_ring_stop(struct psp_context *psp,
154 enum psp_ring_type ring_type)
155{
156 int ret = 0;
157 unsigned int psp_ring_reg = 0;
158 struct amdgpu_device *adev = psp->adev;
159
160 /* Write the ring destroy command to C2PMSG_64 */
161 psp_ring_reg = 3 << 16;
162 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
163
164 /* There might be handshake issue with hardware which needs delay */
165 mdelay(20);
166
167 /* Wait for response flag (bit 31) in C2PMSG_64 */
168 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
169 0x80000000, 0x80000000, false);
170
171 return ret;
172}
173
174static int psp_v10_0_ring_destroy(struct psp_context *psp,
175 enum psp_ring_type ring_type)
176{
177 int ret = 0;
178 struct psp_ring *ring = &psp->km_ring;
179 struct amdgpu_device *adev = psp->adev;
180
181 ret = psp_v10_0_ring_stop(psp, ring_type);
182 if (ret)
183 DRM_ERROR("Fail to stop psp ring\n");
184
185 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
186 &ring->ring_mem_mc_addr,
187 (void **)&ring->ring_mem);
188
189 return ret;
190}
191
192static int psp_v10_0_cmd_submit(struct psp_context *psp,
193 uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
194 int index)
195{
196 unsigned int psp_write_ptr_reg = 0;
197 struct psp_gfx_rb_frame * write_frame = psp->km_ring.ring_mem;
198 struct psp_ring *ring = &psp->km_ring;
199 struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
200 struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
201 ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
202 struct amdgpu_device *adev = psp->adev;
203 uint32_t ring_size_dw = ring->ring_size / 4;
204 uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
205
206 /* KM (GPCOM) prepare write pointer */
207 psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
208
209 /* Update KM RB frame pointer to new frame */
210 if ((psp_write_ptr_reg % ring_size_dw) == 0)
211 write_frame = ring_buffer_start;
212 else
213 write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
214 /* Check invalid write_frame ptr address */
215 if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
216 DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
217 ring_buffer_start, ring_buffer_end, write_frame);
218 DRM_ERROR("write_frame is pointing to address out of bounds\n");
219 return -EINVAL;
220 }
221
222 /* Initialize KM RB frame */
223 memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
224
225 /* Update KM RB frame */
226 write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
227 write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
228 write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
229 write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
230 write_frame->fence_value = index;
231
232 /* Update the write Pointer in DWORDs */
233 psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
234 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
235
236 return 0;
237}
238
239static int
240psp_v10_0_sram_map(struct amdgpu_device *adev,
241 unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
242 unsigned int *sram_data_reg_offset,
243 enum AMDGPU_UCODE_ID ucode_id)
244{
245 int ret = 0;
246
247 switch(ucode_id) {
248/* TODO: needs to confirm */
249#if 0
250 case AMDGPU_UCODE_ID_SMC:
251 *sram_offset = 0;
252 *sram_addr_reg_offset = 0;
253 *sram_data_reg_offset = 0;
254 break;
255#endif
256
257 case AMDGPU_UCODE_ID_CP_CE:
258 *sram_offset = 0x0;
259 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
260 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
261 break;
262
263 case AMDGPU_UCODE_ID_CP_PFP:
264 *sram_offset = 0x0;
265 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
266 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
267 break;
268
269 case AMDGPU_UCODE_ID_CP_ME:
270 *sram_offset = 0x0;
271 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
272 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
273 break;
274
275 case AMDGPU_UCODE_ID_CP_MEC1:
276 *sram_offset = 0x10000;
277 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
278 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
279 break;
280
281 case AMDGPU_UCODE_ID_CP_MEC2:
282 *sram_offset = 0x10000;
283 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
284 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
285 break;
286
287 case AMDGPU_UCODE_ID_RLC_G:
288 *sram_offset = 0x2000;
289 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
290 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
291 break;
292
293 case AMDGPU_UCODE_ID_SDMA0:
294 *sram_offset = 0x0;
295 *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
296 *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
297 break;
298
299/* TODO: needs to confirm */
300#if 0
301 case AMDGPU_UCODE_ID_SDMA1:
302 *sram_offset = ;
303 *sram_addr_reg_offset = ;
304 break;
305
306 case AMDGPU_UCODE_ID_UVD:
307 *sram_offset = ;
308 *sram_addr_reg_offset = ;
309 break;
310
311 case AMDGPU_UCODE_ID_VCE:
312 *sram_offset = ;
313 *sram_addr_reg_offset = ;
314 break;
315#endif
316
317 case AMDGPU_UCODE_ID_MAXIMUM:
318 default:
319 ret = -EINVAL;
320 break;
321 }
322
323 return ret;
324}
325
326static bool psp_v10_0_compare_sram_data(struct psp_context *psp,
327 struct amdgpu_firmware_info *ucode,
328 enum AMDGPU_UCODE_ID ucode_type)
329{
330 int err = 0;
331 unsigned int fw_sram_reg_val = 0;
332 unsigned int fw_sram_addr_reg_offset = 0;
333 unsigned int fw_sram_data_reg_offset = 0;
334 unsigned int ucode_size;
335 uint32_t *ucode_mem = NULL;
336 struct amdgpu_device *adev = psp->adev;
337
338 err = psp_v10_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
339 &fw_sram_data_reg_offset, ucode_type);
340 if (err)
341 return false;
342
343 WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
344
345 ucode_size = ucode->ucode_size;
346 ucode_mem = (uint32_t *)ucode->kaddr;
347 while (!ucode_size) {
348 fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
349
350 if (*ucode_mem != fw_sram_reg_val)
351 return false;
352
353 ucode_mem++;
354 /* 4 bytes */
355 ucode_size -= 4;
356 }
357
358 return true;
359}
360
361
362static int psp_v10_0_mode1_reset(struct psp_context *psp)
363{
364 DRM_INFO("psp mode 1 reset not supported now! \n");
365 return -EINVAL;
366}
367
368static const struct psp_funcs psp_v10_0_funcs = {
369 .init_microcode = psp_v10_0_init_microcode,
370 .ring_init = psp_v10_0_ring_init,
371 .ring_create = psp_v10_0_ring_create,
372 .ring_stop = psp_v10_0_ring_stop,
373 .ring_destroy = psp_v10_0_ring_destroy,
374 .cmd_submit = psp_v10_0_cmd_submit,
375 .compare_sram_data = psp_v10_0_compare_sram_data,
376 .mode1_reset = psp_v10_0_mode1_reset,
377};
378
379void psp_v10_0_set_psp_funcs(struct psp_context *psp)
380{
381 psp->funcs = &psp_v10_0_funcs;
382}