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
40 MODULE_FIRMWARE("amdgpu/raven_asd.bin");
41 MODULE_FIRMWARE("amdgpu/picasso_asd.bin");
42 MODULE_FIRMWARE("amdgpu/raven2_asd.bin");
43 MODULE_FIRMWARE("amdgpu/picasso_ta.bin");
44 MODULE_FIRMWARE("amdgpu/raven2_ta.bin");
45 MODULE_FIRMWARE("amdgpu/raven_ta.bin");
46
psp_v10_0_init_microcode(struct psp_context * psp)47 static 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
psp_v10_0_ring_create(struct psp_context * psp,enum psp_ring_type ring_type)70 static 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
psp_v10_0_ring_stop(struct psp_context * psp,enum psp_ring_type ring_type)102 static 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
psp_v10_0_ring_destroy(struct psp_context * psp,enum psp_ring_type ring_type)123 static 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
psp_v10_0_mode1_reset(struct psp_context * psp)141 static 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
psp_v10_0_ring_get_wptr(struct psp_context * psp)147 static 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
psp_v10_0_ring_set_wptr(struct psp_context * psp,uint32_t value)154 static 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
161 static 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
psp_v10_0_set_psp_funcs(struct psp_context * psp)171 void psp_v10_0_set_psp_funcs(struct psp_context *psp)
172 {
173 psp->funcs = &psp_v10_0_funcs;
174 }
175