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1/*2 * Copyright 2017 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 */23/*24 * panel_cntl.h25 *26 * Created on: Oct 6, 201527 * Author: yonsun28 */29 30#ifndef DC_PANEL_CNTL_H_31#define DC_PANEL_CNTL_H_32 33#include "dc_types.h"34 35#define MAX_BACKLIGHT_LEVEL 0xFFFF36 37struct panel_cntl_backlight_registers {38 unsigned int BL_PWM_CNTL;39 unsigned int BL_PWM_CNTL2;40 unsigned int BL_PWM_PERIOD_CNTL;41 unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV;42 unsigned int PANEL_PWRSEQ_REF_DIV2;43 unsigned int USER_LEVEL;44};45 46struct panel_cntl_funcs {47 void (*destroy)(struct panel_cntl **panel_cntl);48 uint32_t (*hw_init)(struct panel_cntl *panel_cntl);49 bool (*is_panel_backlight_on)(struct panel_cntl *panel_cntl);50 bool (*is_panel_powered_on)(struct panel_cntl *panel_cntl);51 void (*store_backlight_level)(struct panel_cntl *panel_cntl);52 void (*driver_set_backlight)(struct panel_cntl *panel_cntl,53 uint32_t backlight_pwm_u16_16);54 uint32_t (*get_current_backlight)(struct panel_cntl *panel_cntl);55};56 57struct panel_cntl_init_data {58 struct dc_context *ctx;59 uint32_t inst;60 uint32_t eng_id;61};62 63struct panel_cntl {64 const struct panel_cntl_funcs *funcs;65 struct dc_context *ctx;66 uint32_t inst;67 uint32_t pwrseq_inst;68 /* registers setting needs to be saved and restored at InitBacklight */69 struct panel_cntl_backlight_registers stored_backlight_registers;70};71 72#endif /* DC_PANEL_CNTL_H_ */73