| 1 | /* |
|---|
| 2 | * Copyright 2017 Advanced Micro Devices, Inc. |
|---|
| 3 | * |
|---|
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
|---|
| 5 | * copy of this software and associated documentation files (the "Software"), |
|---|
| 6 | * to deal in the Software without restriction, including without limitation |
|---|
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
|---|
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
|---|
| 9 | * Software is furnished to do so, subject to the following conditions: |
|---|
| 10 | * |
|---|
| 11 | * The above copyright notice and this permission notice shall be included in |
|---|
| 12 | * all copies or substantial portions of the Software. |
|---|
| 13 | * |
|---|
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|---|
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|---|
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|---|
| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
|---|
| 18 | * 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 OR |
|---|
| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
|---|
| 21 | * |
|---|
| 22 | */ |
|---|
| 23 | /* |
|---|
| 24 | * panel_cntl.h |
|---|
| 25 | * |
|---|
| 26 | * Created on: Oct 6, 2015 |
|---|
| 27 | * Author: yonsun |
|---|
| 28 | */ |
|---|
| 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 0xFFFF |
|---|
| 36 | |
|---|
| 37 | struct 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 | |
|---|
| 46 | struct 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 | |
|---|
| 57 | struct panel_cntl_init_data { |
|---|
| 58 | struct dc_context *ctx; |
|---|
| 59 | uint32_t inst; |
|---|
| 60 | uint32_t eng_id; |
|---|
| 61 | }; |
|---|
| 62 | |
|---|
| 63 | struct 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 | |
|---|
