drm/radeon/kms/pm: add additional asic callbacks
- pm_misc() - handles voltage, pcie lanes, and other non
clock related power mode settings. Currently disabled.
Needs further debugging
- pm_prepare() - disables crtc mem requests right now.
All memory clients need to be disabled when changing
memory clocks. This function can be expanded to include
disabling fb access as well.
- pm_finish() - enable active memory clients.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/rs600d.h b/drivers/gpu/drm/radeon/rs600d.h
index 08c4beb..8f62434 100644
--- a/drivers/gpu/drm/radeon/rs600d.h
+++ b/drivers/gpu/drm/radeon/rs600d.h
@@ -634,4 +634,36 @@
#define G_006D4C_D2MODE_PRIORITY_B_FORCE_MASK(x) (((x) >> 24) & 0x1)
#define C_006D4C_D2MODE_PRIORITY_B_FORCE_MASK 0xFEFFFFFF
+/* PLL regs */
+#define GENERAL_PWRMGT 0x8
+#define GLOBAL_PWRMGT_EN (1 << 0)
+#define MOBILE_SU (1 << 2)
+#define DYN_PWRMGT_SCLK_LENGTH 0xc
+#define NORMAL_POWER_SCLK_HILEN(x) ((x) << 0)
+#define NORMAL_POWER_SCLK_LOLEN(x) ((x) << 4)
+#define REDUCED_POWER_SCLK_HILEN(x) ((x) << 8)
+#define REDUCED_POWER_SCLK_LOLEN(x) ((x) << 12)
+#define POWER_D1_SCLK_HILEN(x) ((x) << 16)
+#define POWER_D1_SCLK_LOLEN(x) ((x) << 20)
+#define STATIC_SCREEN_HILEN(x) ((x) << 24)
+#define STATIC_SCREEN_LOLEN(x) ((x) << 28)
+#define DYN_SCLK_VOL_CNTL 0xe
+#define IO_CG_VOLTAGE_DROP (1 << 0)
+#define VOLTAGE_DROP_SYNC (1 << 2)
+#define VOLTAGE_DELAY_SEL(x) ((x) << 3)
+#define HDP_DYN_CNTL 0x10
+#define HDP_FORCEON (1 << 0)
+#define MC_HOST_DYN_CNTL 0x1e
+#define MC_HOST_FORCEON (1 << 0)
+
+/* mmreg */
+#define DOUT_POWER_MANAGEMENT_CNTL 0x7ee0
+#define PWRDN_WAIT_BUSY_OFF (1 << 0)
+#define PWRDN_WAIT_PWRSEQ_OFF (1 << 4)
+#define PWRDN_WAIT_PPLL_OFF (1 << 8)
+#define PWRUP_WAIT_PPLL_ON (1 << 12)
+#define PWRUP_WAIT_MEM_INIT_DONE (1 << 16)
+#define PM_ASSERT_RESET (1 << 20)
+#define PM_PWRDN_PPLL (1 << 24)
+
#endif