/*
* 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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