From: Rex Zhu <Rex.Zhu@xxxxxxx>
Interface for clock and power gating handling.
Signed-off-by: Rex Zhu <Rex.Zhu@xxxxxxx>
Reviewed-by: Jammy Zhou <Jammy.Zhou@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h | 41 +++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
index 2281d88..d81b239 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
@@ -131,6 +131,47 @@ struct amd_pp_init {
uint32_t rev_id;
};
+enum {
+ PP_GROUP_UNKNOWN = 0,
+ PP_GROUP_GFX = 1,
+ PP_GROUP_SYS,
+ PP_GROUP_MAX
+};
+
+#define PP_GROUP_MASK 0xF0000000
+#define PP_GROUP_SHIFT 28
+
+#define PP_BLOCK_MASK 0x0FFFFF00
+#define PP_BLOCK_SHIFT 8
+
+#define PP_BLOCK_GFX_CG 0x01
+#define PP_BLOCK_GFX_MG 0x02
+#define PP_BLOCK_SYS_BIF 0x01
+#define PP_BLOCK_SYS_MC 0x02
+#define PP_BLOCK_SYS_ROM 0x04
+#define PP_BLOCK_SYS_DRM 0x08
+#define PP_BLOCK_SYS_HDP 0x10
+#define PP_BLOCK_SYS_SDMA 0x20
+
+#define PP_STATE_MASK 0x0000000F
+#define PP_STATE_SHIFT 0
+#define PP_STATE_SUPPORT_MASK 0x000000F0
+#define PP_STATE_SUPPORT_SHIFT 0
+
+#define PP_STATE_CG 0x01
+#define PP_STATE_LS 0x02
+#define PP_STATE_DS 0x04
+#define PP_STATE_SD 0x08
+#define PP_STATE_SUPPORT_CG 0x10
+#define PP_STATE_SUPPORT_LS 0x20
+#define PP_STATE_SUPPORT_DS 0x40
+#define PP_STATE_SUPPORT_SD 0x80
+
+#define PP_CG_MSG_ID(group, block, support, state) (group << PP_GROUP_SHIFT |\
+ block << PP_BLOCK_SHIFT |\
+ support << PP_STATE_SUPPORT_SHIFT |\
+ state << PP_STATE_SHIFT)
+
struct amd_powerplay_funcs {
int (*get_temperature)(void *handle);
int (*load_firmware)(void *handle);
--
1.8.3.1
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