/* * 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; }; 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; }; struct panel_cntl { const struct panel_cntl_funcs *funcs; struct dc_context *ctx; uint32_t inst; /* registers setting needs to be saved and restored at InitBacklight */ struct panel_cntl_backlight_registers stored_backlight_registers; }; #endif /* DC_PANEL_CNTL_H_ */