1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/* Himax Android Driver Sample Code Ver 0.3 for HMX852xES chipset
*
* Copyright (C) 2014 Himax Corporation.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef HIMAX_PLATFORM_H
#define HIMAX_PLATFORM_H
#include <linux/delay.h>
#include <linux/fs.h>
#include <linux/gpio.h>
#include <linux/types.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/regulator/consumer.h>
#define QCT
#if defined(CONFIG_HMX_DB)
/* Analog voltage @2.7 V */
#define HX_VTG_MIN_UV 2700000
#define HX_VTG_MAX_UV 3300000
#define HX_ACTIVE_LOAD_UA 15000
#define HX_LPM_LOAD_UA 10
/* Digital voltage @1.8 V */
#define HX_VTG_DIG_MIN_UV 1800000
#define HX_VTG_DIG_MAX_UV 1800000
#define HX_ACTIVE_LOAD_DIG_UA 10000
#define HX_LPM_LOAD_DIG_UA 10
#define HX_I2C_VTG_MIN_UV 1800000
#define HX_I2C_VTG_MAX_UV 1800000
#define HX_I2C_LOAD_UA 10000
#define HX_I2C_LPM_LOAD_UA 10
#endif
struct himax_i2c_platform_data {
int abs_x_min;
int abs_x_max;
int abs_x_fuzz;
int abs_y_min;
int abs_y_max;
int abs_y_fuzz;
int abs_pressure_min;
int abs_pressure_max;
int abs_pressure_fuzz;
int abs_width_min;
int abs_width_max;
int screenWidth;
int screenHeight;
uint8_t fw_version;
uint8_t tw_id;
uint8_t powerOff3V3;
uint8_t cable_config[2];
uint8_t protocol_type;
int gpio_irq;
int gpio_reset;
int gpio_3v3_en;
int (*power)(int on);
void (*reset)(void);
struct himax_virtual_key *virtual_key;
struct kobject *vk_obj;
struct kobj_attribute *vk2Use;
struct himax_config *hx_config;
int hx_config_size;
struct regulator *vcc_i2c; //For Dragon Board
#if defined(CONFIG_HMX_DB)
bool i2c_pull_up;
bool digital_pwr_regulator;
int reset_gpio;
u32 reset_gpio_flags;
int irq_gpio;
u32 irq_gpio_flags;
struct regulator *vcc_ana; //For Dragon Board
struct regulator *vcc_dig; //For Dragon Board
struct regulator *vcc_i2c; //For Dragon Board
#endif
};
extern int irq_enable_count;
extern int i2c_himax_read(struct i2c_client *client, uint8_t command, uint8_t *data, uint8_t length, uint8_t toRetry);
extern int i2c_himax_write(struct i2c_client *client, uint8_t command, uint8_t *data, uint8_t length, uint8_t toRetry);
extern int i2c_himax_write_command(struct i2c_client *client, uint8_t command, uint8_t toRetry);
extern int i2c_himax_master_write(struct i2c_client *client, uint8_t *data, uint8_t length, uint8_t toRetry);
extern int i2c_himax_read_command(struct i2c_client *client, uint8_t length, uint8_t *data, uint8_t *readlength, uint8_t toRetry);
extern void himax_int_enable(int irqnum, int enable);
extern int himax_ts_register_interrupt(struct i2c_client *client);
extern void himax_rst_gpio_set(int pinnum, uint8_t value);
extern uint8_t himax_int_gpio_read(int pinnum);
extern int himax_gpio_power_config(struct i2c_client *client,struct himax_i2c_platform_data *pdata);
#endif
|