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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");
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 const char *chip_name;
51 char fw_name[30];
52 int err = 0;
53 const struct ta_firmware_header_v1_0 *ta_hdr;
54 DRM_DEBUG("\n");
55
56 switch (adev->asic_type) {
57 case CHIP_RAVEN:
58 if (adev->apu_flags & AMD_APU_IS_RAVEN2)
59 chip_name = "raven2";
60 else if (adev->apu_flags & AMD_APU_IS_PICASSO)
61 chip_name = "picasso";
62 else
63 chip_name = "raven";
64 break;
65 default: BUG();
66 }
67
68 err = psp_init_asd_microcode(psp, chip_name);
69 if (err)
70 goto out;
71
72 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
73 err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
74 if (err) {
75 release_firmware(adev->psp.ta_fw);
76 adev->psp.ta_fw = NULL;
77 dev_info(adev->dev,
78 "psp v10.0: Failed to load firmware \"%s\"\n",
79 fw_name);
80 } else {
81 err = amdgpu_ucode_validate(adev->psp.ta_fw);
82 if (err)
83 goto out2;
84
85 ta_hdr = (const struct ta_firmware_header_v1_0 *)
86 adev->psp.ta_fw->data;
87 adev->psp.ta_hdcp_ucode_version =
88 le32_to_cpu(ta_hdr->ta_hdcp_ucode_version);
89 adev->psp.ta_hdcp_ucode_size =
90 le32_to_cpu(ta_hdr->ta_hdcp_size_bytes);
91 adev->psp.ta_hdcp_start_addr =
92 (uint8_t *)ta_hdr +
93 le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
94
95 adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
96
97 adev->psp.ta_dtm_ucode_version =
98 le32_to_cpu(ta_hdr->ta_dtm_ucode_version);
99 adev->psp.ta_dtm_ucode_size =
100 le32_to_cpu(ta_hdr->ta_dtm_size_bytes);
101 adev->psp.ta_dtm_start_addr =
102 (uint8_t *)adev->psp.ta_hdcp_start_addr +
103 le32_to_cpu(ta_hdr->ta_dtm_offset_bytes);
104 }
105
106 return 0;
107
108out2:
109 release_firmware(adev->psp.ta_fw);
110 adev->psp.ta_fw = NULL;
111out:
112 if (err) {
113 dev_err(adev->dev,
114 "psp v10.0: Failed to load firmware \"%s\"\n",
115 fw_name);
116 }
117
118 return err;
119}
120
121static int psp_v10_0_ring_init(struct psp_context *psp,
122 enum psp_ring_type ring_type)
123{
124 int ret = 0;
125 struct psp_ring *ring;
126 struct amdgpu_device *adev = psp->adev;
127
128 ring = &psp->km_ring;
129
130 ring->ring_type = ring_type;
131
132 /* allocate 4k Page of Local Frame Buffer memory for ring */
133 ring->ring_size = 0x1000;
134 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
135 AMDGPU_GEM_DOMAIN_VRAM,
136 &adev->firmware.rbuf,
137 &ring->ring_mem_mc_addr,
138 (void **)&ring->ring_mem);
139 if (ret) {
140 ring->ring_size = 0;
141 return ret;
142 }
143
144 return 0;
145}
146
147static int psp_v10_0_ring_create(struct psp_context *psp,
148 enum psp_ring_type ring_type)
149{
150 int ret = 0;
151 unsigned int psp_ring_reg = 0;
152 struct psp_ring *ring = &psp->km_ring;
153 struct amdgpu_device *adev = psp->adev;
154
155 /* Write low address of the ring to C2PMSG_69 */
156 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
157 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
158 /* Write high address of the ring to C2PMSG_70 */
159 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
160 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
161 /* Write size of ring to C2PMSG_71 */
162 psp_ring_reg = ring->ring_size;
163 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
164 /* Write the ring initialization command to C2PMSG_64 */
165 psp_ring_reg = ring_type;
166 psp_ring_reg = psp_ring_reg << 16;
167 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
168
169 /* There might be handshake issue with hardware which needs delay */
170 mdelay(20);
171
172 /* Wait for response flag (bit 31) in C2PMSG_64 */
173 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
174 0x80000000, 0x8000FFFF, false);
175
176 return ret;
177}
178
179static int psp_v10_0_ring_stop(struct psp_context *psp,
180 enum psp_ring_type ring_type)
181{
182 int ret = 0;
183 unsigned int psp_ring_reg = 0;
184 struct amdgpu_device *adev = psp->adev;
185
186 /* Write the ring destroy command to C2PMSG_64 */
187 psp_ring_reg = 3 << 16;
188 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
189
190 /* There might be handshake issue with hardware which needs delay */
191 mdelay(20);
192
193 /* Wait for response flag (bit 31) in C2PMSG_64 */
194 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
195 0x80000000, 0x80000000, false);
196
197 return ret;
198}
199
200static int psp_v10_0_ring_destroy(struct psp_context *psp,
201 enum psp_ring_type ring_type)
202{
203 int ret = 0;
204 struct psp_ring *ring = &psp->km_ring;
205 struct amdgpu_device *adev = psp->adev;
206
207 ret = psp_v10_0_ring_stop(psp, ring_type);
208 if (ret)
209 DRM_ERROR("Fail to stop psp ring\n");
210
211 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
212 &ring->ring_mem_mc_addr,
213 (void **)&ring->ring_mem);
214
215 return ret;
216}
217
218static int psp_v10_0_mode1_reset(struct psp_context *psp)
219{
220 DRM_INFO("psp mode 1 reset not supported now! \n");
221 return -EINVAL;
222}
223
224static uint32_t psp_v10_0_ring_get_wptr(struct psp_context *psp)
225{
226 struct amdgpu_device *adev = psp->adev;
227
228 return RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
229}
230
231static void psp_v10_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
232{
233 struct amdgpu_device *adev = psp->adev;
234
235 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
236}
237
238static const struct psp_funcs psp_v10_0_funcs = {
239 .init_microcode = psp_v10_0_init_microcode,
240 .ring_init = psp_v10_0_ring_init,
241 .ring_create = psp_v10_0_ring_create,
242 .ring_stop = psp_v10_0_ring_stop,
243 .ring_destroy = psp_v10_0_ring_destroy,
244 .mode1_reset = psp_v10_0_mode1_reset,
245 .ring_get_wptr = psp_v10_0_ring_get_wptr,
246 .ring_set_wptr = psp_v10_0_ring_set_wptr,
247};
248
249void psp_v10_0_set_psp_funcs(struct psp_context *psp)
250{
251 psp->funcs = &psp_v10_0_funcs;
252}