1 /*
2  * Allwinner SoCs display driver.
3  *
4  * Copyright (C) 2016 Allwinner.
5  *
6  * This file is licensed under the terms of the GNU General Public
7  * License version 2.  This program is licensed "as is" without any
8  * warranty of any kind, whether express or implied.
9  */
10 
11 
12 #ifndef __DISP_LCD_H__
13 #define __DISP_LCD_H__
14 
15 #include "disp_private.h"
16 
17 #define LCD_GPIO_NUM 8
18 #define LCD_POWER_NUM 4
19 #define LCD_POWER_STR_LEN 32
20 #define LCD_GPIO_REGU_NUM 3
21 #define LCD_GPIO_SCL (LCD_GPIO_NUM-2)
22 #define LCD_GPIO_SDA (LCD_GPIO_NUM-1)
23 
24 struct disp_lcd_cfg {
25     bool lcd_used;
26 
27     bool lcd_bl_en_used;
28     struct disp_gpio_set_t lcd_bl_en;
29     int lcd_bl_gpio_hdl;
30     char lcd_bl_en_power[LCD_POWER_STR_LEN];
31 
32     u32 lcd_power_used[LCD_POWER_NUM];
33     struct disp_power_t lcd_power[LCD_POWER_NUM];
34 
35     /* 0: invalid, 1: gpio, 2: regulator */
36     u32 lcd_fix_power_used[LCD_POWER_NUM];
37     struct disp_power_t lcd_fix_power[LCD_POWER_NUM];
38 
39     bool lcd_gpio_used[LCD_GPIO_NUM];
40     struct disp_gpio_set_t lcd_gpio[LCD_GPIO_NUM];
41     int gpio_hdl[LCD_GPIO_NUM];
42     struct disp_power_t lcd_gpio_power[LCD_GPIO_REGU_NUM];
43 
44     struct disp_power_t lcd_pin_power[LCD_GPIO_REGU_NUM];
45 
46     u32 backlight_bright;
47     /*
48      * IEP-drc backlight dimming rate:
49      * 0 -256 (256: no dimming; 0: the most dimming)
50      */
51     u32 backlight_dimming;
52     u32 backlight_curve_adjust[101];
53 
54     u32 lcd_bright;
55     u32 lcd_contrast;
56     u32 lcd_saturation;
57     u32 lcd_hue;
58 };
59 
60 s32 disp_init_lcd(struct disp_bsp_init_para *para);
61 s32 disp_lcd_set_bright(struct disp_device *lcd, u32 bright);
62 s32 disp_lcd_get_bright(struct disp_device *lcd);
63 s32 disp_lcd_gpio_init(struct disp_device *lcd);
64 s32 disp_lcd_gpio_exit(struct disp_device *lcd);
65 s32 disp_lcd_gpio_set_direction(struct disp_device *lcd, u32 io_index,
66                 u32 direction);
67 s32 disp_lcd_gpio_get_value(struct disp_device *lcd, u32 io_index);
68 s32 disp_lcd_gpio_set_value(struct disp_device *lcd, u32 io_index, u32 data);
69 s32 disp_lcd_is_enabled(struct disp_device *lcd);
70 #if defined(SUPPORT_EINK) && defined(CONFIG_EINK_PANEL_USED)
71 extern int display_finish_flag;
72 #endif
73 
74 #endif
75