| 1 | /* |
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| 2 | * Copyright 2017 Advanced Micro Devices, Inc. |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice shall be included in |
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| 12 | * all copies or substantial portions of the Software. |
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| 13 | * |
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| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 21 | * |
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| 22 | */ |
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| 23 | /* |
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| 24 | * panel_cntl.h |
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| 25 | * |
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| 26 | * Created on: Oct 6, 2015 |
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| 27 | * Author: yonsun |
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| 28 | */ |
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| 29 | |
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| 30 | #ifndef DC_PANEL_CNTL_H_ |
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| 31 | #define DC_PANEL_CNTL_H_ |
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| 32 | |
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| 33 | #include "dc_types.h" |
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| 34 | |
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| 35 | #define MAX_BACKLIGHT_LEVEL 0xFFFF |
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| 36 | |
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| 37 | struct panel_cntl_backlight_registers { |
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| 38 | unsigned int BL_PWM_CNTL; |
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| 39 | unsigned int BL_PWM_CNTL2; |
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| 40 | unsigned int BL_PWM_PERIOD_CNTL; |
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| 41 | unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV; |
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| 42 | unsigned int PANEL_PWRSEQ_REF_DIV2; |
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| 43 | }; |
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| 44 | |
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| 45 | struct panel_cntl_funcs { |
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| 46 | void (*destroy)(struct panel_cntl **panel_cntl); |
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| 47 | uint32_t (*hw_init)(struct panel_cntl *panel_cntl); |
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| 48 | bool (*is_panel_backlight_on)(struct panel_cntl *panel_cntl); |
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| 49 | bool (*is_panel_powered_on)(struct panel_cntl *panel_cntl); |
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| 50 | void (*store_backlight_level)(struct panel_cntl *panel_cntl); |
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| 51 | void (*driver_set_backlight)(struct panel_cntl *panel_cntl, |
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| 52 | uint32_t backlight_pwm_u16_16); |
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| 53 | uint32_t (*get_current_backlight)(struct panel_cntl *panel_cntl); |
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| 54 | }; |
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| 55 | |
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| 56 | struct panel_cntl_init_data { |
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| 57 | struct dc_context *ctx; |
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| 58 | uint32_t inst; |
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| 59 | }; |
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| 60 | |
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| 61 | struct panel_cntl { |
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| 62 | const struct panel_cntl_funcs *funcs; |
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| 63 | struct dc_context *ctx; |
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| 64 | uint32_t inst; |
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| 65 | /* registers setting needs to be saved and restored at InitBacklight */ |
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| 66 | struct panel_cntl_backlight_registers stored_backlight_registers; |
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| 67 | }; |
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| 68 | |
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| 69 | #endif /* DC_PANEL_CNTL_H_ */ |
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| 70 | |
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