path: root/include/amlogic/aml_lcd_extern.h (plain)
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1	/*
2	* include/amlogic/aml_lcd_extern.h
3	*
4	* This program is free software; you can redistribute it and/or modify
5	* it under the terms of the GNU General Public License as published by
6	* the Free Software Foundation; either version 2 of the named License,
7	* or any later version.
8	*
9	* This program is distributed in the hope that it will be useful,
10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	* GNU General Public License for more details.
13	*
14	*/
15
16	#ifndef _INC_AML_LCD_EXTERN_H_
17	#define _INC_AML_LCD_EXTERN_H_
18
19	#include <amlogic/aml_lcd_vout.h>
20
21	enum lcd_extern_type_e {
22	LCD_EXTERN_I2C = 0,
23	LCD_EXTERN_SPI,
24	LCD_EXTERN_MIPI,
25	LCD_EXTERN_MAX,
26	};
27
28	#define LCD_EXTERN_I2C_BUS_A 0
29	#define LCD_EXTERN_I2C_BUS_B 1
30	#define LCD_EXTERN_I2C_BUS_C 2
31	#define LCD_EXTERN_I2C_BUS_D 3
32	#define LCD_EXTERN_I2C_BUS_AO 4
33
34	#define LCD_EXTERN_I2C_BUS_0 LCD_EXTERN_I2C_BUS_A
35	#define LCD_EXTERN_I2C_BUS_1 LCD_EXTERN_I2C_BUS_B
36	#define LCD_EXTERN_I2C_BUS_2 LCD_EXTERN_I2C_BUS_C
37	#define LCD_EXTERN_I2C_BUS_3 LCD_EXTERN_I2C_BUS_D
38	#define LCD_EXTERN_I2C_BUS_4 LCD_EXTERN_I2C_BUS_AO
39	#define LCD_EXTERN_I2C_BUS_MAX 5
40
41
42	#define LCD_EXTERN_INIT_ON_MAX 3000
43	#define LCD_EXTERN_INIT_OFF_MAX 100
44
45	#define LCD_EXTERN_GPIO_NUM_MAX 6
46	#define LCD_EXTERN_GPIO_LEN_MAX 10
47	#define LCD_EXTERN_INDEX_INVALID 0xff
48	#define LCD_EXTERN_NAME_LEN_MAX 30
49
50	#define LCD_EXTERN_NUM_MAX 20
51
52	struct lcd_extern_config_s {
53	unsigned char index;
54	char name[LCD_EXTERN_NAME_LEN_MAX];
55	enum lcd_extern_type_e type;
56	unsigned char status;
57	unsigned char pinmux_valid;
58	unsigned char pinmux_gpio_off;
59
60	unsigned char i2c_addr;
61	unsigned char i2c_addr2;
62	unsigned char i2c_bus;
63	unsigned char i2c_sck_gpio;
64	unsigned char i2c_sda_gpio;
65
66	unsigned char spi_gpio_cs;
67	unsigned char spi_gpio_clk;
68	unsigned char spi_gpio_data;
69	unsigned char spi_clk_pol;
70	unsigned short spi_clk_freq; /*KHz */
71	unsigned short spi_delay_us;
72
73	unsigned char cmd_size;
74	unsigned char table_init_loaded; /* internal use */
75	unsigned int table_init_on_cnt;
76	unsigned int table_init_off_cnt;
77	unsigned char *table_init_on;
78	unsigned char *table_init_off;
79	};
80
81	struct lcd_extern_common_s {
82	unsigned char lcd_ext_key_valid;
83	char gpio_name[LCD_EXTERN_GPIO_NUM_MAX][LCD_EXTERN_GPIO_LEN_MAX];
84	unsigned int lcd_ext_num;
85
86	unsigned char i2c_bus;
87	unsigned char i2c_sck_gpio;
88	unsigned char i2c_sck_gpio_off;
89	unsigned char i2c_sda_gpio;
90	unsigned char i2c_sda_gpio_off;
91	unsigned int pinmux_set[LCD_PINMUX_NUM][2];
92	unsigned int pinmux_clr[LCD_PINMUX_NUM][2];
93	};
94
95	//global API
96	struct aml_lcd_extern_driver_s {
97	struct lcd_extern_config_s *config;
98	struct lcd_extern_common_s *common;
99	int (*reg_read) (unsigned char reg, unsigned char *buf);
100	int (*reg_write) (unsigned char reg, unsigned char value);
101	int (*power_on)(void);
102	int (*power_off)(void);
103	void (*info_print)(void);
104	};
105
106	extern struct aml_lcd_extern_driver_s *aml_lcd_extern_get_driver(void);
107	extern int aml_lcd_extern_probe(char *dtaddr, int index);
108	extern int aml_lcd_extern_remove(void);
109
110	extern struct lcd_extern_config_s ext_config_dtf[LCD_EXTERN_NUM_MAX];
111	extern struct lcd_extern_common_s ext_common_dft;
112
113	#endif
114
115