2 * Copyright 2021 Advanced Micro Devices, Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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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
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25 #include "athub_v3_0.h"
26 #include "athub/athub_3_0_0_offset.h"
27 #include "athub/athub_3_0_0_sh_mask.h"
28 #include "navi10_enum.h"
29 #include "soc15_common.h"
31 #define regATHUB_MISC_CNTL_V3_0_1 0x00d7
32 #define regATHUB_MISC_CNTL_V3_0_1_BASE_IDX 0
35 static uint32_t athub_v3_0_get_cg_cntl(struct amdgpu_device *adev)
39 switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0)) {
40 case IP_VERSION(3, 0, 1):
41 data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL_V3_0_1);
44 data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL);
50 static void athub_v3_0_set_cg_cntl(struct amdgpu_device *adev, uint32_t data)
52 switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0)) {
53 case IP_VERSION(3, 0, 1):
54 WREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL_V3_0_1, data);
57 WREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL, data);
63 athub_v3_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
68 def = data = athub_v3_0_get_cg_cntl(adev);
70 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_MGCG))
71 data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
73 data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
76 athub_v3_0_set_cg_cntl(adev, data);
80 athub_v3_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
85 def = data = athub_v3_0_get_cg_cntl(adev);
87 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_LS))
88 data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
90 data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
93 athub_v3_0_set_cg_cntl(adev, data);
96 int athub_v3_0_set_clockgating(struct amdgpu_device *adev,
97 enum amd_clockgating_state state)
99 if (amdgpu_sriov_vf(adev))
102 switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0)) {
103 case IP_VERSION(3, 0, 0):
104 case IP_VERSION(3, 0, 1):
105 case IP_VERSION(3, 0, 2):
106 case IP_VERSION(3, 3, 0):
107 athub_v3_0_update_medium_grain_clock_gating(adev,
108 state == AMD_CG_STATE_GATE);
109 athub_v3_0_update_medium_grain_light_sleep(adev,
110 state == AMD_CG_STATE_GATE);
119 void athub_v3_0_get_clockgating(struct amdgpu_device *adev, u64 *flags)
123 /* AMD_CG_SUPPORT_ATHUB_MGCG */
124 data = athub_v3_0_get_cg_cntl(adev);
125 if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
126 *flags |= AMD_CG_SUPPORT_ATHUB_MGCG;
128 /* AMD_CG_SUPPORT_ATHUB_LS */
129 if (data & ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK)
130 *flags |= AMD_CG_SUPPORT_ATHUB_LS;