1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* Copyright 2018 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "smumgr.h"
#include "vega10_inc.h"
#include "soc15_common.h"
#include "pp_debug.h"
/* MP Apertures */
#define MP0_Public 0x03800000
#define MP0_SRAM 0x03900000
#define MP1_Public 0x03b00000
#define MP1_SRAM 0x03c00004
#define smnMP1_FIRMWARE_FLAGS 0x3010028
bool smu9_is_smc_ram_running(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = hwmgr->adev;
uint32_t mp1_fw_flags;
mp1_fw_flags = RREG32_PCIE(MP1_Public |
(smnMP1_FIRMWARE_FLAGS & 0xffffffff));
if (mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK)
return true;
return false;
}
/*
* Check if SMC has responded to previous message.
*
* @param smumgr the address of the powerplay hardware manager.
* @return TRUE SMC has responded, FALSE otherwise.
*/
static uint32_t smu9_wait_for_response(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = hwmgr->adev;
uint32_t reg;
uint32_t ret;
/* Due to the L1 policy problem under SRIOV, we have to use
* mmMP1_SMN_C2PMSG_103 as the driver response register
*/
if (hwmgr->pp_one_vf) {
reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_103);
ret = phm_wait_for_register_unequal(hwmgr, reg,
0, MP1_C2PMSG_103__CONTENT_MASK);
if (ret)
pr_err("No response from smu\n");
return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_103);
} else {
reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_90);
ret = phm_wait_for_register_unequal(hwmgr, reg,
0, MP1_C2PMSG_90__CONTENT_MASK);
if (ret)
pr_err("No response from smu\n");
return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90);
}
}
/*
* Send a message to the SMC, and do not wait for its response.
* @param smumgr the address of the powerplay hardware manager.
* @param msg the message to send.
* @return Always return 0.
*/
static int smu9_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr,
uint16_t msg)
{
struct amdgpu_device *adev = hwmgr->adev;
if (hwmgr->pp_one_vf) {
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_101, msg);
} else {
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg);
}
return 0;
}
/*
* Send a message to the SMC, and wait for its response.
* @param hwmgr the address of the powerplay hardware manager.
* @param msg the message to send.
* @return Always return 0.
*/
int smu9_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
{
struct amdgpu_device *adev = hwmgr->adev;
uint32_t ret;
smu9_wait_for_response(hwmgr);
if (hwmgr->pp_one_vf)
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_103, 0);
else
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
smu9_send_msg_to_smc_without_waiting(hwmgr, msg);
ret = smu9_wait_for_response(hwmgr);
if (ret != 1)
pr_err("Failed to send message: 0x%x, ret value: 0x%x\n", msg, ret);
return 0;
}
/*
* Send a message to the SMC with parameter
* @param hwmgr: the address of the powerplay hardware manager.
* @param msg: the message to send.
* @param parameter: the parameter to send
* @return Always return 0.
*/
int smu9_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
uint16_t msg, uint32_t parameter)
{
struct amdgpu_device *adev = hwmgr->adev;
uint32_t ret;
smu9_wait_for_response(hwmgr);
/* Due to the L1 policy problem under SRIOV, we have to use
* mmMP1_SMN_C2PMSG_101 as the driver message register and
* mmMP1_SMN_C2PMSG_102 as the driver parameter register.
*/
if (hwmgr->pp_one_vf) {
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_103, 0);
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_102, parameter);
} else {
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82, parameter);
}
smu9_send_msg_to_smc_without_waiting(hwmgr, msg);
ret = smu9_wait_for_response(hwmgr);
if (ret != 1)
pr_err("Failed message: 0x%x, input parameter: 0x%x, error code: 0x%x\n", msg, parameter, ret);
return 0;
}
uint32_t smu9_get_argument(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = hwmgr->adev;
if (hwmgr->pp_one_vf)
return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_102);
else
return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82);
}
|
