2 * Copyright 2014 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include <linux/firmware.h>
27 #include "fiji_smum.h"
29 MODULE_FIRMWARE("amdgpu/fiji_smc.bin");
31 static void fiji_dpm_set_funcs(struct amdgpu_device
*adev
);
33 static int fiji_dpm_early_init(void *handle
)
35 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
37 fiji_dpm_set_funcs(adev
);
42 static int fiji_dpm_init_microcode(struct amdgpu_device
*adev
)
44 char fw_name
[30] = "amdgpu/fiji_smc.bin";
47 err
= request_firmware(&adev
->pm
.fw
, fw_name
, adev
->dev
);
50 err
= amdgpu_ucode_validate(adev
->pm
.fw
);
54 DRM_ERROR("Failed to load firmware \"%s\"", fw_name
);
55 release_firmware(adev
->pm
.fw
);
61 static int fiji_dpm_sw_init(void *handle
)
64 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
66 ret
= fiji_dpm_init_microcode(adev
);
73 static int fiji_dpm_sw_fini(void *handle
)
75 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
77 release_firmware(adev
->pm
.fw
);
83 static int fiji_dpm_hw_init(void *handle
)
86 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
88 mutex_lock(&adev
->pm
.mutex
);
90 ret
= fiji_smu_init(adev
);
92 DRM_ERROR("SMU initialization failed\n");
96 ret
= fiji_smu_start(adev
);
98 DRM_ERROR("SMU start failed\n");
102 mutex_unlock(&adev
->pm
.mutex
);
106 adev
->firmware
.smu_load
= false;
107 mutex_unlock(&adev
->pm
.mutex
);
111 static int fiji_dpm_hw_fini(void *handle
)
113 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
114 mutex_lock(&adev
->pm
.mutex
);
116 mutex_unlock(&adev
->pm
.mutex
);
120 static int fiji_dpm_suspend(void *handle
)
122 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
124 fiji_dpm_hw_fini(adev
);
129 static int fiji_dpm_resume(void *handle
)
131 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
133 fiji_dpm_hw_init(adev
);
138 static int fiji_dpm_set_clockgating_state(void *handle
,
139 enum amd_clockgating_state state
)
144 static int fiji_dpm_set_powergating_state(void *handle
,
145 enum amd_powergating_state state
)
150 const struct amd_ip_funcs fiji_dpm_ip_funcs
= {
152 .early_init
= fiji_dpm_early_init
,
154 .sw_init
= fiji_dpm_sw_init
,
155 .sw_fini
= fiji_dpm_sw_fini
,
156 .hw_init
= fiji_dpm_hw_init
,
157 .hw_fini
= fiji_dpm_hw_fini
,
158 .suspend
= fiji_dpm_suspend
,
159 .resume
= fiji_dpm_resume
,
161 .wait_for_idle
= NULL
,
163 .set_clockgating_state
= fiji_dpm_set_clockgating_state
,
164 .set_powergating_state
= fiji_dpm_set_powergating_state
,
167 static const struct amdgpu_dpm_funcs fiji_dpm_funcs
= {
168 .get_temperature
= NULL
,
169 .pre_set_power_state
= NULL
,
170 .set_power_state
= NULL
,
171 .post_set_power_state
= NULL
,
172 .display_configuration_changed
= NULL
,
175 .print_power_state
= NULL
,
176 .debugfs_print_current_performance_level
= NULL
,
177 .force_performance_level
= NULL
,
178 .vblank_too_short
= NULL
,
179 .powergate_uvd
= NULL
,
182 static void fiji_dpm_set_funcs(struct amdgpu_device
*adev
)
184 if (NULL
== adev
->pm
.funcs
)
185 adev
->pm
.funcs
= &fiji_dpm_funcs
;