blob: 0ba6895e5e7dbefdda110a2f99d8bde23bc26291 [file] [log] [blame]
/* drivers/input/touchscreen/gt9xx.h
*
* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
*
* Linux Foundation chooses to take subject only to the GPLv2 license
* terms, and distributes only under these terms.
*
* 2010 - 2013 Goodix Technology.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be a reference
* to you, when you are integrating the GOODiX's CTP IC into your system,
* 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 _GOODIX_GT9XX_H_
#define _GOODIX_GT9XX_H_
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/uaccess.h>
#if defined(CONFIG_FB)
#include <linux/notifier.h>
#include <linux/fb.h>
#elif defined(CONFIG_HAS_EARLYSUSPEND)
#include <linux/earlysuspend.h>
#define GOODIX_SUSPEND_LEVEL 1
#endif
#define MAX_BUTTONS 4
#define GOODIX_MAX_CFG_GROUP 6
#define GTP_FW_NAME_MAXSIZE 50
struct goodix_ts_platform_data {
int irq_gpio;
u32 irq_gpio_flags;
int reset_gpio;
u32 reset_gpio_flags;
const char *product_id;
const char *fw_name;
u32 x_max;
u32 y_max;
u32 x_min;
u32 y_min;
u32 panel_minx;
u32 panel_miny;
u32 panel_maxx;
u32 panel_maxy;
bool force_update;
bool i2c_pull_up;
bool enable_power_off;
size_t config_data_len[GOODIX_MAX_CFG_GROUP];
u8 *config_data[GOODIX_MAX_CFG_GROUP];
u32 button_map[MAX_BUTTONS];
u8 num_button;
};
struct goodix_ts_data {
spinlock_t irq_lock;
struct i2c_client *client;
struct input_dev *input_dev;
struct goodix_ts_platform_data *pdata;
struct hrtimer timer;
struct workqueue_struct *goodix_wq;
struct work_struct work;
char fw_name[GTP_FW_NAME_MAXSIZE];
struct delayed_work goodix_update_work;
s32 irq_is_disabled;
s32 use_irq;
u16 abs_x_max;
u16 abs_y_max;
u16 addr;
u8 max_touch_num;
u8 int_trigger_type;
u8 green_wake_mode;
u8 chip_type;
u8 *config_data;
u8 enter_update;
u8 gtp_is_suspend;
u8 gtp_rawdiff_mode;
u8 gtp_cfg_len;
u8 fixed_cfg;
u8 esd_running;
u8 fw_error;
bool power_on;
struct mutex lock;
bool fw_loading;
bool force_update;
struct regulator *avdd;
struct regulator *vdd;
struct regulator *vcc_i2c;
#if defined(CONFIG_FB)
struct notifier_block fb_notif;
#elif defined(CONFIG_HAS_EARLYSUSPEND)
struct early_suspend early_suspend;
#endif
struct dentry *debug_base;
};
extern u16 show_len;
extern u16 total_len;
/***************************PART1:ON/OFF define*******************************/
#define GTP_CUSTOM_CFG 0
#define GTP_CHANGE_X2Y 0
#define GTP_DRIVER_SEND_CFG 1
#define GTP_HAVE_TOUCH_KEY 1
#define GTP_ESD_PROTECT 0
#define GTP_WITH_PEN 0
/* This cannot work when enable-power-off is on */
#define GTP_SLIDE_WAKEUP 0
/* double-click wakeup, function together with GTP_SLIDE_WAKEUP */
#define GTP_DBL_CLK_WAKEUP 0
#define GTP_IRQ_TAB {\
IRQ_TYPE_EDGE_RISING,\
IRQ_TYPE_EDGE_FALLING,\
IRQ_TYPE_LEVEL_LOW,\
IRQ_TYPE_LEVEL_HIGH\
}
#define GTP_IRQ_TAB_RISING 0
#define GTP_IRQ_TAB_FALLING 1
#if GTP_CUSTOM_CFG
#define GTP_MAX_HEIGHT 800
#define GTP_MAX_WIDTH 480
#define GTP_INT_TRIGGER GTP_IRQ_TAB_RISING
#else
#define GTP_MAX_HEIGHT 4096
#define GTP_MAX_WIDTH 4096
#define GTP_INT_TRIGGER GTP_IRQ_TAB_FALLING
#endif
#define GTP_PRODUCT_ID_MAXSIZE 5
#define GTP_PRODUCT_ID_BUFFER_MAXSIZE 6
#define GTP_FW_VERSION_BUFFER_MAXSIZE 4
#define GTP_MAX_TOUCH 5
#define GTP_ESD_CHECK_CIRCLE 2000 /* jiffy: ms */
/***************************PART3:OTHER define*********************************/
#define GTP_DRIVER_VERSION "V1.8.1<2013/09/01>"
#define GTP_I2C_NAME "Goodix-TS"
#define GTP_POLL_TIME 10 /* jiffy: ms*/
#define GTP_ADDR_LENGTH 2
#define GTP_CONFIG_MIN_LENGTH 186
#define GTP_CONFIG_MAX_LENGTH 240
#define FAIL 0
#define SUCCESS 1
#define SWITCH_OFF 0
#define SWITCH_ON 1
/* Registers define */
#define GTP_READ_COOR_ADDR 0x814E
#define GTP_REG_SLEEP 0x8040
#define GTP_REG_SENSOR_ID 0x814A
#define GTP_REG_CONFIG_DATA 0x8047
#define GTP_REG_FW_VERSION 0x8144
#define GTP_REG_PRODUCT_ID 0x8140
#define GTP_I2C_RETRY_3 3
#define GTP_I2C_RETRY_5 5
#define GTP_I2C_RETRY_10 10
#define RESOLUTION_LOC 3
#define TRIGGER_LOC 8
/* HIGH: 0x28/0x29, LOW: 0xBA/0xBB */
#define GTP_I2C_ADDRESS_HIGH 0x14
#define GTP_I2C_ADDRESS_LOW 0x5D
#define GTP_VALID_ADDR_START 0x8040
#define GTP_VALID_ADDR_END 0x8177
#define CFG_GROUP_LEN(p_cfg_grp) (sizeof(p_cfg_grp) / sizeof(p_cfg_grp[0]))
/* GTP CM_HEAD RW flags */
#define GTP_RW_READ 0
#define GTP_RW_WRITE 1
#define GTP_RW_READ_IC_TYPE 2
#define GTP_RW_WRITE_IC_TYPE 3
#define GTP_RW_FILL_INFO 4
#define GTP_RW_NO_WRITE 5
#define GTP_RW_READ_ERROR 6
#define GTP_RW_DISABLE_IRQ 7
#define GTP_RW_READ_VERSION 8
#define GTP_RW_ENABLE_IRQ 9
#define GTP_RW_ENTER_UPDATE_MODE 11
#define GTP_RW_LEAVE_UPDATE_MODE 13
#define GTP_RW_UPDATE_FW 15
#define GTP_RW_CHECK_RAWDIFF_MODE 17
/* GTP need flag or interrupt */
#define GTP_NO_NEED 0
#define GTP_NEED_FLAG 1
#define GTP_NEED_INTERRUPT 2
/*****************************End of Part III********************************/
void gtp_esd_switch(struct i2c_client *client, int on);
int gtp_i2c_read_dbl_check(struct i2c_client *client, u16 addr,
u8 *rxbuf, int len);
int gtp_send_cfg(struct goodix_ts_data *ts);
void gtp_reset_guitar(struct goodix_ts_data *ts, int ms);
void gtp_irq_disable(struct goodix_ts_data *ts);
void gtp_irq_enable(struct goodix_ts_data *ts);
#ifdef CONFIG_GT9XX_TOUCHPANEL_DEBUG
s32 init_wr_node(struct i2c_client *client);
void uninit_wr_node(void);
#endif
u8 gup_init_update_proc(struct goodix_ts_data *ts);
s32 gup_enter_update_mode(struct i2c_client *client);
void gup_leave_update_mode(struct i2c_client *client);
s32 gup_update_proc(void *dir);
extern struct i2c_client *i2c_connect_client;
#endif /* _GOODIX_GT9XX_H_ */