1 /* Copyright 2012-15 Advanced Micro Devices, Inc. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a 4 * copy of this software and associated documentation files (the "Software"), 5 * to deal in the Software without restriction, including without limitation 6 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 7 * and/or sell copies of the Software, and to permit persons to whom the 8 * Software is furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 19 * OTHER DEALINGS IN THE SOFTWARE. 20 * 21 * Authors: AMD 22 * 23 */ 24 25 #ifndef __DC_ABM_H__ 26 #define __DC_ABM_H__ 27 28 #include "dm_services_types.h" 29 30 struct abm_backlight_registers { 31 unsigned int BL_PWM_CNTL; 32 unsigned int BL_PWM_CNTL2; 33 unsigned int BL_PWM_PERIOD_CNTL; 34 unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV; 35 }; 36 37 struct abm { 38 struct dc_context *ctx; 39 const struct abm_funcs *funcs; 40 41 /* registers setting needs to be saved and restored at InitBacklight */ 42 struct abm_backlight_registers stored_backlight_registers; 43 }; 44 45 struct abm_funcs { 46 void (*abm_init)(struct abm *abm); 47 bool (*set_abm_level)(struct abm *abm, unsigned int abm_level); 48 bool (*set_abm_immediate_disable)(struct abm *abm); 49 bool (*init_backlight)(struct abm *abm); 50 bool (*set_backlight_level)(struct abm *abm, 51 unsigned int backlight_level, 52 unsigned int frame_ramp, 53 unsigned int controller_id, 54 bool use_smooth_brightness); 55 unsigned int (*get_current_backlight_8_bit)(struct abm *abm); 56 }; 57 58 #endif 59