/*
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* Copyright 2017 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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/*
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* panel_cntl.h
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*
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* Created on: Oct 6, 2015
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* Author: yonsun
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*/
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#ifndef DC_PANEL_CNTL_H_
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#define DC_PANEL_CNTL_H_
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#include "dc_types.h"
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#define MAX_BACKLIGHT_LEVEL 0xFFFF
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struct panel_cntl_backlight_registers {
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unsigned int BL_PWM_CNTL;
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unsigned int BL_PWM_CNTL2;
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unsigned int BL_PWM_PERIOD_CNTL;
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unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV;
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};
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struct panel_cntl_funcs {
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void (*destroy)(struct panel_cntl **panel_cntl);
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uint32_t (*hw_init)(struct panel_cntl *panel_cntl);
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bool (*is_panel_backlight_on)(struct panel_cntl *panel_cntl);
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bool (*is_panel_powered_on)(struct panel_cntl *panel_cntl);
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void (*store_backlight_level)(struct panel_cntl *panel_cntl);
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void (*driver_set_backlight)(struct panel_cntl *panel_cntl,
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uint32_t backlight_pwm_u16_16);
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uint32_t (*get_current_backlight)(struct panel_cntl *panel_cntl);
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};
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struct panel_cntl_init_data {
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struct dc_context *ctx;
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uint32_t inst;
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};
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struct panel_cntl {
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const struct panel_cntl_funcs *funcs;
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struct dc_context *ctx;
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uint32_t inst;
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/* registers setting needs to be saved and restored at InitBacklight */
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struct panel_cntl_backlight_registers stored_backlight_registers;
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};
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#endif /* DC_PANEL_CNTL_H_ */
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