drm/radeon/kms: add dpm support for rs780/rs880
This adds dpm support for rs780/rs880 asics. This includes:
- clockgating
- dynamic engine clock scaling
- dynamic voltage scaling
set radeon.dpm=1 to enable it.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/rs780d.h b/drivers/gpu/drm/radeon/rs780d.h
new file mode 100644
index 0000000..b1142ed
--- /dev/null
+++ b/drivers/gpu/drm/radeon/rs780d.h
@@ -0,0 +1,168 @@
+/*
+ * Copyright 2011 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RS780D_H__
+#define __RS780D_H__
+
+#define CG_SPLL_FUNC_CNTL 0x600
+# define SPLL_RESET (1 << 0)
+# define SPLL_SLEEP (1 << 1)
+# define SPLL_REF_DIV(x) ((x) << 2)
+# define SPLL_REF_DIV_MASK (7 << 2)
+# define SPLL_FB_DIV(x) ((x) << 5)
+# define SPLL_FB_DIV_MASK (0xff << 2)
+# define SPLL_FB_DIV_SHIFT 2
+# define SPLL_PULSEEN (1 << 13)
+# define SPLL_PULSENUM(x) ((x) << 14)
+# define SPLL_PULSENUM_MASK (3 << 14)
+# define SPLL_SW_HILEN(x) ((x) << 16)
+# define SPLL_SW_HILEN_MASK (0xf << 16)
+# define SPLL_SW_LOLEN(x) ((x) << 20)
+# define SPLL_SW_LOLEN_MASK (0xf << 20)
+# define SPLL_DIVEN (1 << 24)
+# define SPLL_BYPASS_EN (1 << 25)
+# define SPLL_CHG_STATUS (1 << 29)
+# define SPLL_CTLREQ (1 << 30)
+# define SPLL_CTLACK (1 << 31)
+
+/* RS780/RS880 PM */
+#define FVTHROT_CNTRL_REG 0x3000
+#define DONT_WAIT_FOR_FBDIV_WRAP (1 << 0)
+#define MINIMUM_CIP(x) ((x) << 1)
+#define MINIMUM_CIP_SHIFT 1
+#define MINIMUM_CIP_MASK 0x1fffffe
+#define REFRESH_RATE_DIVISOR(x) ((x) << 25)
+#define REFRESH_RATE_DIVISOR_SHIFT 25
+#define REFRESH_RATE_DIVISOR_MASK (0x3 << 25)
+#define ENABLE_FV_THROT (1 << 27)
+#define ENABLE_FV_UPDATE (1 << 28)
+#define TREND_SEL_MODE (1 << 29)
+#define FORCE_TREND_SEL (1 << 30)
+#define ENABLE_FV_THROT_IO (1 << 31)
+#define FVTHROT_TARGET_REG 0x3004
+#define TARGET_IDLE_COUNT(x) ((x) << 0)
+#define TARGET_IDLE_COUNT_MASK 0xffffff
+#define TARGET_IDLE_COUNT_SHIFT 0
+#define FVTHROT_CB1 0x3008
+#define FVTHROT_CB2 0x300c
+#define FVTHROT_CB3 0x3010
+#define FVTHROT_CB4 0x3014
+#define FVTHROT_UTC0 0x3018
+#define FVTHROT_UTC1 0x301c
+#define FVTHROT_UTC2 0x3020
+#define FVTHROT_UTC3 0x3024
+#define FVTHROT_UTC4 0x3028
+#define FVTHROT_DTC0 0x302c
+#define FVTHROT_DTC1 0x3030
+#define FVTHROT_DTC2 0x3034
+#define FVTHROT_DTC3 0x3038
+#define FVTHROT_DTC4 0x303c
+#define FVTHROT_FBDIV_REG0 0x3040
+#define MIN_FEEDBACK_DIV(x) ((x) << 0)
+#define MIN_FEEDBACK_DIV_MASK 0xfff
+#define MIN_FEEDBACK_DIV_SHIFT 0
+#define MAX_FEEDBACK_DIV(x) ((x) << 12)
+#define MAX_FEEDBACK_DIV_MASK (0xfff << 12)
+#define MAX_FEEDBACK_DIV_SHIFT 12
+#define FVTHROT_FBDIV_REG1 0x3044
+#define MAX_FEEDBACK_STEP(x) ((x) << 0)
+#define MAX_FEEDBACK_STEP_MASK 0xfff
+#define MAX_FEEDBACK_STEP_SHIFT 0
+#define STARTING_FEEDBACK_DIV(x) ((x) << 12)
+#define STARTING_FEEDBACK_DIV_MASK (0xfff << 12)
+#define STARTING_FEEDBACK_DIV_SHIFT 12
+#define FORCE_FEEDBACK_DIV (1 << 24)
+#define FVTHROT_FBDIV_REG2 0x3048
+#define FORCED_FEEDBACK_DIV(x) ((x) << 0)
+#define FORCED_FEEDBACK_DIV_MASK 0xfff
+#define FORCED_FEEDBACK_DIV_SHIFT 0
+#define FB_DIV_TIMER_VAL(x) ((x) << 12)
+#define FB_DIV_TIMER_VAL_MASK (0xffff << 12)
+#define FB_DIV_TIMER_VAL_SHIFT 12
+#define FVTHROT_FB_US_REG0 0x304c
+#define FVTHROT_FB_US_REG1 0x3050
+#define FVTHROT_FB_DS_REG0 0x3054
+#define FVTHROT_FB_DS_REG1 0x3058
+#define FVTHROT_PWM_CTRL_REG0 0x305c
+#define STARTING_PWM_HIGHTIME(x) ((x) << 0)
+#define STARTING_PWM_HIGHTIME_MASK 0xfff
+#define STARTING_PWM_HIGHTIME_SHIFT 0
+#define NUMBER_OF_CYCLES_IN_PERIOD(x) ((x) << 12)
+#define NUMBER_OF_CYCLES_IN_PERIOD_MASK (0xfff << 12)
+#define NUMBER_OF_CYCLES_IN_PERIOD_SHIFT 12
+#define FORCE_STARTING_PWM_HIGHTIME (1 << 24)
+#define INVERT_PWM_WAVEFORM (1 << 25)
+#define FVTHROT_PWM_CTRL_REG1 0x3060
+#define MIN_PWM_HIGHTIME(x) ((x) << 0)
+#define MIN_PWM_HIGHTIME_MASK 0xfff
+#define MIN_PWM_HIGHTIME_SHIFT 0
+#define MAX_PWM_HIGHTIME(x) ((x) << 12)
+#define MAX_PWM_HIGHTIME_MASK (0xfff << 12)
+#define MAX_PWM_HIGHTIME_SHIFT 12
+#define FVTHROT_PWM_US_REG0 0x3064
+#define FVTHROT_PWM_US_REG1 0x3068
+#define FVTHROT_PWM_DS_REG0 0x306c
+#define FVTHROT_PWM_DS_REG1 0x3070
+#define FVTHROT_STATUS_REG0 0x3074
+#define CURRENT_FEEDBACK_DIV_MASK 0xfff
+#define CURRENT_FEEDBACK_DIV_SHIFT 0
+#define FVTHROT_STATUS_REG1 0x3078
+#define FVTHROT_STATUS_REG2 0x307c
+#define CG_INTGFX_MISC 0x3080
+#define FVTHROT_VBLANK_SEL (1 << 9)
+#define FVTHROT_PWM_FEEDBACK_DIV_REG1 0x308c
+#define RANGE0_PWM_FEEDBACK_DIV(x) ((x) << 0)
+#define RANGE0_PWM_FEEDBACK_DIV_MASK 0xfff
+#define RANGE0_PWM_FEEDBACK_DIV_SHIFT 0
+#define RANGE_PWM_FEEDBACK_DIV_EN (1 << 12)
+#define FVTHROT_PWM_FEEDBACK_DIV_REG2 0x3090
+#define RANGE1_PWM_FEEDBACK_DIV(x) ((x) << 0)
+#define RANGE1_PWM_FEEDBACK_DIV_MASK 0xfff
+#define RANGE1_PWM_FEEDBACK_DIV_SHIFT 0
+#define RANGE2_PWM_FEEDBACK_DIV(x) ((x) << 12)
+#define RANGE2_PWM_FEEDBACK_DIV_MASK (0xfff << 12)
+#define RANGE2_PWM_FEEDBACK_DIV_SHIFT 12
+#define FVTHROT_PWM_FEEDBACK_DIV_REG3 0x3094
+#define RANGE0_PWM(x) ((x) << 0)
+#define RANGE0_PWM_MASK 0xfff
+#define RANGE0_PWM_SHIFT 0
+#define RANGE1_PWM(x) ((x) << 12)
+#define RANGE1_PWM_MASK (0xfff << 12)
+#define RANGE1_PWM_SHIFT 12
+#define FVTHROT_PWM_FEEDBACK_DIV_REG4 0x3098
+#define RANGE2_PWM(x) ((x) << 0)
+#define RANGE2_PWM_MASK 0xfff
+#define RANGE2_PWM_SHIFT 0
+#define RANGE3_PWM(x) ((x) << 12)
+#define RANGE3_PWM_MASK (0xfff << 12)
+#define RANGE3_PWM_SHIFT 12
+#define FVTHROT_SLOW_CLK_FEEDBACK_DIV_REG1 0x30ac
+#define RANGE0_SLOW_CLK_FEEDBACK_DIV(x) ((x) << 0)
+#define RANGE0_SLOW_CLK_FEEDBACK_DIV_MASK 0xfff
+#define RANGE0_SLOW_CLK_FEEDBACK_DIV_SHIFT 0
+#define RANGE_SLOW_CLK_FEEDBACK_DIV_EN (1 << 12)
+
+#define GFX_MACRO_BYPASS_CNTL 0x30c0
+#define SPLL_BYPASS_CNTL (1 << 0)
+#define UPLL_BYPASS_CNTL (1 << 1)
+
+#endif