Release 4.11 drivers/gpu/drm/radeon/rv6xx_dpm.h

/*
 * 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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Directory: drivers/gpu/drm/radeon

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