/* 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 (*set_pipe)(struct abm *abm, unsigned int controller_id); 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