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Diffstat (limited to 'drivers/gpu/drm/radeon/rv6xx_dpm.h')
-rw-r--r--drivers/gpu/drm/radeon/rv6xx_dpm.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.h b/drivers/gpu/drm/radeon/rv6xx_dpm.h
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+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.h
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+/*
+ * 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.
+ *
+ * Authors: Alex Deucher
+ */
+
+#ifndef __RV6XX_DPM_H__
+#define __RV6XX_DPM_H__
+
+#include "r600_dpm.h"
+
+/* Represents a single SCLK step. */
+struct rv6xx_sclk_stepping
+{
+ u32 vco_frequency;
+ u32 post_divider;
+};
+
+struct rv6xx_pm_hw_state {
+ u32 sclks[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
+ u32 mclks[R600_PM_NUMBER_OF_MCLKS];
+ u16 vddc[R600_PM_NUMBER_OF_VOLTAGE_LEVELS];
+ bool backbias[R600_PM_NUMBER_OF_VOLTAGE_LEVELS];
+ bool pcie_gen2[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
+ u8 high_sclk_index;
+ u8 medium_sclk_index;
+ u8 low_sclk_index;
+ u8 high_mclk_index;
+ u8 medium_mclk_index;
+ u8 low_mclk_index;
+ u8 high_vddc_index;
+ u8 medium_vddc_index;
+ u8 low_vddc_index;
+ u8 rp[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
+ u8 lp[R600_PM_NUMBER_OF_ACTIVITY_LEVELS];
+};
+
+struct rv6xx_power_info {
+ /* flags */
+ bool voltage_control;
+ bool sclk_ss;
+ bool mclk_ss;
+ bool dynamic_ss;
+ bool dynamic_pcie_gen2;
+ bool thermal_protection;
+ bool display_gap;
+ bool gfx_clock_gating;
+ /* clk values */
+ u32 fb_div_scale;
+ u32 spll_ref_div;
+ u32 mpll_ref_div;
+ u32 bsu;
+ u32 bsp;
+ /* */
+ u32 active_auto_throttle_sources;
+ /* current power state */
+ u32 restricted_levels;
+ struct rv6xx_pm_hw_state hw;
+};
+
+struct rv6xx_pl {
+ u32 sclk;
+ u32 mclk;
+ u16 vddc;
+ u32 flags;
+};
+
+struct rv6xx_ps {
+ struct rv6xx_pl high;
+ struct rv6xx_pl medium;
+ struct rv6xx_pl low;
+};
+
+#define RV6XX_DEFAULT_VCLK_FREQ 40000 /* 10 khz */
+#define RV6XX_DEFAULT_DCLK_FREQ 30000 /* 10 khz */
+
+#endif
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