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25 #include "athub_v4_1_0.h"
26 #include "athub/athub_4_1_0_offset.h"
27 #include "athub/athub_4_1_0_sh_mask.h"
28 #include "soc15_common.h"
30 static uint32_t athub_v4_1_0_get_cg_cntl(struct amdgpu_device *adev)
34 switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0)) {
35 case IP_VERSION(4, 1, 0):
36 data = RREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL);
45 static void athub_v4_1_0_set_cg_cntl(struct amdgpu_device *adev, uint32_t data)
47 switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0)) {
48 case IP_VERSION(4, 1, 0):
49 WREG32_SOC15(ATHUB, 0, regATHUB_MISC_CNTL, data);
57 athub_v4_1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
62 def = data = athub_v4_1_0_get_cg_cntl(adev);
64 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_MGCG))
65 data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
67 data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
70 athub_v4_1_0_set_cg_cntl(adev, data);
74 athub_v4_1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
79 def = data = athub_v4_1_0_get_cg_cntl(adev);
81 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ATHUB_LS))
82 data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
84 data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
87 athub_v4_1_0_set_cg_cntl(adev, data);
90 int athub_v4_1_0_set_clockgating(struct amdgpu_device *adev,
91 enum amd_clockgating_state state)
93 if (amdgpu_sriov_vf(adev))
96 switch (amdgpu_ip_version(adev, ATHUB_HWIP, 0)) {
97 case IP_VERSION(4, 1, 0):
98 athub_v4_1_0_update_medium_grain_clock_gating(adev,
99 state == AMD_CG_STATE_GATE);
100 athub_v4_1_0_update_medium_grain_light_sleep(adev,
101 state == AMD_CG_STATE_GATE);
110 void athub_v4_1_0_get_clockgating(struct amdgpu_device *adev, u64 *flags)
114 /* AMD_CG_SUPPORT_ATHUB_MGCG */
115 data = athub_v4_1_0_get_cg_cntl(adev);
116 if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)
117 *flags |= AMD_CG_SUPPORT_ATHUB_MGCG;
119 /* AMD_CG_SUPPORT_ATHUB_LS */
120 if (data & ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK)
121 *flags |= AMD_CG_SUPPORT_ATHUB_LS;