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/* Copyright 2012-15 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: AMD
*
*/
#ifndef __DC_ABM_H__
#define __DC_ABM_H__
#include "dm_services_types.h"
struct abm_backlight_registers {
unsigned int BL_PWM_CNTL;
unsigned int BL_PWM_CNTL2;
unsigned int BL_PWM_PERIOD_CNTL;
unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV;
};
struct abm {
struct dc_context *ctx;
const struct abm_funcs *funcs;
/* registers setting needs to be saved and restored at InitBacklight */
struct abm_backlight_registers stored_backlight_registers;
};
struct abm_funcs {
void (*abm_init)(struct abm *abm);
bool (*set_abm_level)(struct abm *abm, unsigned int abm_level);
bool (*set_abm_immediate_disable)(struct abm *abm);
bool (*init_backlight)(struct abm *abm);
/* backlight_pwm_u16_16 is unsigned 32 bit,
* 16 bit integer + 16 fractional, where 1.0 is max backlight value.
*/
bool (*set_backlight_level_pwm)(struct abm *abm,
unsigned int backlight_pwm_u16_16,
unsigned int frame_ramp,
unsigned int controller_id,
bool use_smooth_brightness);
unsigned int (*get_current_backlight)(struct abm *abm);
unsigned int (*get_target_backlight)(struct abm *abm);
};
#endif
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