226 lines
5.9 KiB
C
226 lines
5.9 KiB
C
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/* drivers/input/touchscreen/gt9xx.h
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*
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* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
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*
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* Linux Foundation chooses to take subject only to the GPLv2 license
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* terms, and distributes only under these terms.
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*
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* 2010 - 2013 Goodix Technology.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be a reference
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* to you, when you are integrating the GOODiX's CTP IC into your system,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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*/
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#ifndef _GOODIX_GT9XX_H_
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#define _GOODIX_GT9XX_H_
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#include <linux/kernel.h>
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#include <linux/i2c.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/uaccess.h>
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#if defined(CONFIG_FB)
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#include <linux/notifier.h>
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#include <linux/fb.h>
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#elif defined(CONFIG_HAS_EARLYSUSPEND)
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#include <linux/earlysuspend.h>
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#define GOODIX_SUSPEND_LEVEL 1
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#endif
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#define MAX_BUTTONS 4
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#define GOODIX_MAX_CFG_GROUP 6
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#define GTP_FW_NAME_MAXSIZE 50
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struct goodix_ts_platform_data {
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int irq_gpio;
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u32 irq_gpio_flags;
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int reset_gpio;
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u32 reset_gpio_flags;
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const char *product_id;
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const char *fw_name;
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u32 x_max;
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u32 y_max;
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u32 x_min;
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u32 y_min;
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u32 panel_minx;
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u32 panel_miny;
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u32 panel_maxx;
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u32 panel_maxy;
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bool force_update;
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bool i2c_pull_up;
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bool enable_power_off;
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size_t config_data_len[GOODIX_MAX_CFG_GROUP];
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u8 *config_data[GOODIX_MAX_CFG_GROUP];
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u32 button_map[MAX_BUTTONS];
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u8 num_button;
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bool have_touch_key;
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bool driver_send_cfg;
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bool change_x2y;
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bool with_pen;
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bool slide_wakeup;
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bool dbl_clk_wakeup;
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};
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struct goodix_ts_data {
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spinlock_t irq_lock;
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struct i2c_client *client;
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struct input_dev *input_dev;
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struct goodix_ts_platform_data *pdata;
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struct hrtimer timer;
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struct workqueue_struct *goodix_wq;
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struct work_struct work;
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char fw_name[GTP_FW_NAME_MAXSIZE];
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struct delayed_work goodix_update_work;
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s32 irq_is_disabled;
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s32 use_irq;
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u16 abs_x_max;
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u16 abs_y_max;
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u16 addr;
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u8 max_touch_num;
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u8 int_trigger_type;
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u8 green_wake_mode;
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u8 chip_type;
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u8 *config_data;
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u8 enter_update;
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u8 gtp_is_suspend;
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u8 gtp_rawdiff_mode;
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u8 gtp_cfg_len;
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u8 fixed_cfg;
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u8 esd_running;
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u8 fw_error;
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bool power_on;
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struct mutex lock;
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bool fw_loading;
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bool force_update;
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struct regulator *avdd;
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struct regulator *vdd;
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struct regulator *vcc_i2c;
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#if defined(CONFIG_FB)
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struct notifier_block fb_notif;
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#elif defined(CONFIG_HAS_EARLYSUSPEND)
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struct early_suspend early_suspend;
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#endif
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struct dentry *debug_base;
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};
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extern u16 show_len;
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extern u16 total_len;
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/***************************PART1:ON/OFF define*******************************/
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#define GTP_CUSTOM_CFG 0
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#define GTP_ESD_PROTECT 0
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#define GTP_IRQ_TAB {\
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IRQ_TYPE_EDGE_RISING,\
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IRQ_TYPE_EDGE_FALLING,\
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IRQ_TYPE_LEVEL_LOW,\
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IRQ_TYPE_LEVEL_HIGH\
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}
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#define GTP_IRQ_TAB_RISING 0
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#define GTP_IRQ_TAB_FALLING 1
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#if GTP_CUSTOM_CFG
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#define GTP_MAX_HEIGHT 800
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#define GTP_MAX_WIDTH 480
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#define GTP_INT_TRIGGER GTP_IRQ_TAB_RISING
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#else
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#define GTP_MAX_HEIGHT 4096
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#define GTP_MAX_WIDTH 4096
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#define GTP_INT_TRIGGER GTP_IRQ_TAB_FALLING
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#endif
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#define GTP_PRODUCT_ID_MAXSIZE 5
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#define GTP_PRODUCT_ID_BUFFER_MAXSIZE 6
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#define GTP_FW_VERSION_BUFFER_MAXSIZE 4
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#define GTP_MAX_TOUCH 5
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#define GTP_ESD_CHECK_CIRCLE 2000 /* jiffy: ms */
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/***************************PART3:OTHER define*********************************/
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#define GTP_DRIVER_VERSION "V1.8.1<2013/09/01>"
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#define GTP_I2C_NAME "Goodix-TS"
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#define GTP_POLL_TIME 10 /* jiffy: ms*/
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#define GTP_ADDR_LENGTH 2
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#define GTP_CONFIG_MIN_LENGTH 186
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#define GTP_CONFIG_MAX_LENGTH 240
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#define FAIL 0
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#define SUCCESS 1
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#define SWITCH_OFF 0
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#define SWITCH_ON 1
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/* Registers define */
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#define GTP_READ_COOR_ADDR 0x814E
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#define GTP_REG_SLEEP 0x8040
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#define GTP_REG_SENSOR_ID 0x814A
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#define GTP_REG_CONFIG_DATA 0x8047
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#define GTP_REG_FW_VERSION 0x8144
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#define GTP_REG_PRODUCT_ID 0x8140
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#define GTP_I2C_RETRY_3 3
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#define GTP_I2C_RETRY_5 5
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#define GTP_I2C_RETRY_10 10
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#define RESOLUTION_LOC 3
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#define TRIGGER_LOC 8
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/* HIGH: 0x28/0x29, LOW: 0xBA/0xBB */
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#define GTP_I2C_ADDRESS_HIGH 0x14
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#define GTP_I2C_ADDRESS_LOW 0x5D
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#define GTP_VALID_ADDR_START 0x8040
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#define GTP_VALID_ADDR_END 0x8177
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#define CFG_GROUP_LEN(p_cfg_grp) (sizeof(p_cfg_grp) / sizeof(p_cfg_grp[0]))
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/* GTP CM_HEAD RW flags */
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#define GTP_RW_READ 0
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#define GTP_RW_WRITE 1
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#define GTP_RW_READ_IC_TYPE 2
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#define GTP_RW_WRITE_IC_TYPE 3
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#define GTP_RW_FILL_INFO 4
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#define GTP_RW_NO_WRITE 5
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#define GTP_RW_READ_ERROR 6
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#define GTP_RW_DISABLE_IRQ 7
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#define GTP_RW_READ_VERSION 8
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#define GTP_RW_ENABLE_IRQ 9
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#define GTP_RW_ENTER_UPDATE_MODE 11
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#define GTP_RW_LEAVE_UPDATE_MODE 13
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#define GTP_RW_UPDATE_FW 15
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#define GTP_RW_CHECK_RAWDIFF_MODE 17
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/* GTP need flag or interrupt */
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#define GTP_NO_NEED 0
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#define GTP_NEED_FLAG 1
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#define GTP_NEED_INTERRUPT 2
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/*****************************End of Part III********************************/
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void gtp_esd_switch(struct i2c_client *client, int on);
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int gtp_i2c_read_dbl_check(struct i2c_client *client, u16 addr,
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u8 *rxbuf, int len);
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int gtp_send_cfg(struct goodix_ts_data *ts);
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void gtp_reset_guitar(struct goodix_ts_data *ts, int ms);
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void gtp_irq_disable(struct goodix_ts_data *ts);
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void gtp_irq_enable(struct goodix_ts_data *ts);
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#ifdef CONFIG_GT9XX_TOUCHPANEL_DEBUG
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s32 init_wr_node(struct i2c_client *client);
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void uninit_wr_node(void);
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#endif
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u8 gup_init_update_proc(struct goodix_ts_data *ts);
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s32 gup_enter_update_mode(struct i2c_client *client);
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void gup_leave_update_mode(struct i2c_client *client);
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s32 gup_update_proc(void *dir);
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extern struct i2c_client *i2c_connect_client;
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#endif /* _GOODIX_GT9XX_H_ */
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