/*
* Copyright 2017 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.
*
*/
/*
* panel_cntl.h
*
* Created on: Oct 6, 2015
* Author: yonsun
*/
#ifndef DC_PANEL_CNTL_H_
#define DC_PANEL_CNTL_H_
#include "dc_types.h"
#define MAX_BACKLIGHT_LEVEL 0xFFFF
struct panel_cntl_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;
unsigned int PANEL_PWRSEQ_REF_DIV2;
unsigned int USER_LEVEL;
};
struct panel_cntl_funcs {
void (*destroy)(struct panel_cntl **panel_cntl);
uint32_t (*hw_init)(struct panel_cntl *panel_cntl);
bool (*is_panel_backlight_on)(struct panel_cntl *panel_cntl);
bool (*is_panel_powered_on)(struct panel_cntl *panel_cntl);
void (*store_backlight_level)(struct panel_cntl *panel_cntl);
void (*driver_set_backlight)(struct panel_cntl *panel_cntl,
uint32_t backlight_pwm_u16_16);
uint32_t (*get_current_backlight)(struct panel_cntl *panel_cntl);
};
struct panel_cntl_init_data {
struct dc_context *ctx;
uint32_t inst;
uint32_t eng_id;
};
struct panel_cntl {
const struct panel_cntl_funcs *funcs;
struct dc_context *ctx;
uint32_t inst;
uint32_t pwrseq_inst;
/* registers setting needs to be saved and restored at InitBacklight */
struct panel_cntl_backlight_registers stored_backlight_registers;
};
#endif /* DC_PANEL_CNTL_H_ */
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