1971 lines
41 KiB
C
1971 lines
41 KiB
C
/*
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* drivers/input/touchscreen/hyn_cst2xx.c
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*
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* hynitron TouchScreen driver.
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*
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* Copyright (c) 2015 hynitron
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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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
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* GNU General Public License for more details.
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*
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* VERSION DATE AUTHOR
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* 1.0 2015-10-12 Tim
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*
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* note: only support mulititouch
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*/
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#include <linux/module.h>
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#include <linux/delay.h>
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//#include <linux/earlysuspend.h>
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#include <linux/device.h>
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#include <linux/hrtimer.h>
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#include <linux/i2c.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/platform_device.h>
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#include <linux/async.h>
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//#include <mach/iomux.h>
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#include <linux/irq.h>
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//#include <mach/board.h>
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#include <linux/uaccess.h>
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#include <linux/workqueue.h>
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#include <linux/proc_fs.h>
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#include <linux/uaccess.h>
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#include <linux/input/mt.h>
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#include <linux/gpio.h>
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#include <linux/version.h>
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#include <linux/slab.h>
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#include <linux/of_gpio.h>
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#include "../tp_suspend.h"
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#define HYN_DEBUG
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#if defined (CONFIG_KP_AXP)
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extern int axp_gpio_set_value(int gpio, int io_state);
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extern int axp_gpio_set_io(int , int );
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#if defined(CONFIG_BOARD_TYPE_ZM726CE_V12)
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#define PMU_GPIO_NUM 3
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#endif
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#endif
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#if defined(CONFIG_TP_1680E_726_SD)
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//#define Y_POL
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//#define X_POL
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#define SWAP_X_Y
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#define SCREEN_MAX_X 1024
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#define SCREEN_MAX_Y 600
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//#include "CST21680_F_WGJ10276.h"
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#else
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#define Y_POL
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//#define X_POL
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#define SWAP_X_Y
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#define SCREEN_MAX_X 1280
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#define SCREEN_MAX_Y 800
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#include "CST21680SE_S126_D863_7.h"
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#endif
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#define ICS_SLOT_REPORT
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//#define HAVE_TOUCH_KEY
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#define SLEEP_CLEAR_POINT
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#define CST2XX_I2C_NAME "cst2xxse"
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#define CST2XX_I2C_ADDR 0x5A
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//#define IRQ_PORT RK2928_PIN1_PB0//RK30_PIN1_PB7
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//#define WAKE_PORT RK30_PIN0_PA1//RK30_PIN0_PB6
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//#define TPD_PROC_DEBUG
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#ifdef TPD_PROC_DEBUG
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#include <linux/proc_fs.h>
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#include <linux/uaccess.h>
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//static struct proc_dir_entry *hyn_config_proc = NULL;
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#define HYN_CONFIG_PROC_FILE "hyn_config"
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#define CONFIG_LEN 31
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//static char hyn_read[CONFIG_LEN];
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static u8 hyn_data_proc[8] = {0};
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static u8 hyn_proc_flag = 0;
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//static struct i2c_client *ts->client = NULL;
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#endif
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#define TRANSACTION_LENGTH_LIMITED
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//#define HYN_MONITOR
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#define PRESS_MAX 255
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#define MAX_FINGERS 5
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#define MAX_CONTACTS 10
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#define DMA_TRANS_LEN 0x20
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#ifdef HYN_MONITOR
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static struct workqueue_struct *hyn_monitor_workqueue = NULL;
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static u8 int_1st[4] = {0};
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static u8 int_2nd[4] = {0};
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//static char dac_counter = 0;
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static char b0_counter = 0;
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static char bc_counter = 0;
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static char i2c_lock_flag = 0;
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#endif
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//#define HYN_GESTURE // if define enable this function
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#ifdef HYN_GESTURE
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extern void rk_send_wakeup_key(void);
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static int gsl_lcd_flag = -1;
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static int gsl_gesture_flag = -1;
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#endif
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#ifdef HAVE_TOUCH_KEY
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static u16 key = 0;
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static int key_state_flag = 0;
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struct key_data {
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u16 key;
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u16 x_min;
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u16 x_max;
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u16 y_min;
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u16 y_max;
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};
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static const u16 key_array[] = {
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KEY_BACK,
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KEY_HOME,
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KEY_MENU,
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KEY_SEARCH,
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};
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#define MAX_KEY_NUM (sizeof(key_array)/sizeof(key_array[0]))
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struct key_data hyn_key_data[MAX_KEY_NUM] = {
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{KEY_BACK, 2048, 2048, 2048, 2048},
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{KEY_HOME, 2048, 2048, 2048, 2048},
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{KEY_MENU, 2048, 2048, 2048, 2048},
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{KEY_SEARCH, 2048, 2048, 2048, 2048},
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};
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#endif
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struct hyn_ts {
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struct i2c_client *client;
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struct input_dev *input;
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struct work_struct work;
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struct workqueue_struct *wq;
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struct hyn_ts_data *dd;
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u8 *touch_data;
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u8 device_id;
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int irq;
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int rst_pin;
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int irq_pin;
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struct delayed_work hyn_monitor_work;
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#if defined(CONFIG_HAS_EARLYSUSPEND)
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struct early_suspend early_suspend;
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#endif
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struct tp_device tp;
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};
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int h_wake_pin = 0;
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#ifdef HYN_DEBUG
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#define print_info(fmt, args...) \
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do{ \
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printk(fmt, ##args); \
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}while(0)
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#else
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#define print_info(fmt, args...)
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#endif
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#define ANDROID_TOOL_SURPORT
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#ifdef ANDROID_TOOL_SURPORT
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static int cst2xx_update_firmware(struct i2c_client * client, struct hyn_ts *ts,
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unsigned char *pdata, int data_len);
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static unsigned short g_unnormal_mode = 0;
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static unsigned short g_cst2xx_tx = 15;
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static unsigned short g_cst2xx_rx = 10;
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static struct hyn_ts *hyn_global_ts=NULL;
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#endif
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static int cst2xx_i2c_read(struct i2c_client *client, unsigned char *buf, int len)
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{
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int ret = -1;
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int retries = 0;
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//client->timing = 370;
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//client->addr |= I2C_ENEXT_FLAG;
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while(retries < 2) {
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ret = i2c_master_recv(client, buf, len);
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if(ret<=0)
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retries++;
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else
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break;
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}
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return ret;
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}
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static int cst2xx_i2c_write(struct i2c_client *client, unsigned char *buf, int len)
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{
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int ret = -1;
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int retries = 0;
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while(retries < 2) {
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ret = i2c_master_send(client, buf, len);
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if(ret<=0)
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retries++;
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else
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break;
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}
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return ret;
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}
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static int cst2xx_i2c_read_register(struct i2c_client *client, unsigned char *buf, int len)
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{
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int ret = -1;
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ret = cst2xx_i2c_write(client, buf, 2);
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ret = cst2xx_i2c_read(client, buf, len);
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return ret;
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}
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static int cst2xx_test_i2c(struct i2c_client *client)
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{
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u8 retry = 0;
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u8 ret;
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u8 buf[4];
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buf[0] = 0xD0;
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buf[1] = 0x00;
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while(retry++ < 5) {
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ret = cst2xx_i2c_write(client, buf, 2);
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if (ret > 0)
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return ret;
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msleep(2);
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}
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if(retry==5) printk("hyn iic test error.ret:%d.\n", ret);
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return ret;
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}
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static void hard_reset_chip(struct hyn_ts *ts, u16 ms)
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{
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int ret=0;
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int retry=0;
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unsigned char buf[4];
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buf[0] = 0xD1;
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buf[1] = 0x0e;
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while(retry++ < 3) {
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ret = cst2xx_i2c_write(ts->client, buf, 2);
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if (ret > 0) break;
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msleep(2);
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}
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msleep(ms);
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}
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#ifdef TPD_PROC_DEBUG
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static int char_to_int(char ch)
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{
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if(ch>='0' && ch<='9')
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return (ch-'0');
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else
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return (ch-'a'+10);
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}
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#endif
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#define CST2XX_BASE_ADDR (0x00000000)
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static int cst2xx_enter_download_mode(struct hyn_ts *ts)
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{
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int ret;
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int i;
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unsigned char buf[3];
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hard_reset_chip(ts, 5);
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for(i=0; i<30; i++)
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{
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buf[0] = 0xA0;
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buf[1] = 0x01;
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buf[2] = 0xAA;
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ret = cst2xx_i2c_write(ts->client, buf, 3);
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if (ret < 0)
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{
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msleep(1);
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continue;
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}
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msleep(6); //wait enter download mode
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buf[0] = 0xA0;
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buf[1] = 0x03; //check whether into program mode
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ret = cst2xx_i2c_read_register(ts->client, buf, 1);
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if(ret < 0)
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{
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msleep(1);
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continue;
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}
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if (buf[0] == 0x55)
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{
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break;
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}
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}
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if(buf[0] != 0x55)
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{
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printk("hyn reciev 0x55 failed.\n");
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return -1;
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}
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else
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{
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buf[0] = 0xA0;
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buf[1] = 0x06;
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buf[2] = 0x00;
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ret = cst2xx_i2c_write(ts->client, buf, 3);
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}
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return 0;
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}
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static int cst2xx_download_program(unsigned char *pdata, int len, struct hyn_ts *ts)
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{
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int i, ret, j,retry;
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unsigned char *i2c_buf;
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unsigned char temp_buf[8];
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unsigned short eep_addr, iic_addr;
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int total_kbyte;
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i2c_buf = kmalloc(sizeof(unsigned char)*(512 + 2), GFP_KERNEL);
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if (i2c_buf == NULL)
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{
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return -1;
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}
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//make sure fwbin len is N*1K
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total_kbyte = len / 512;
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for (i=0; i<total_kbyte; i++) {
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i2c_buf[0] = 0xA0;
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i2c_buf[1] = 0x14;
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eep_addr = i << 9; //i * 512
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i2c_buf[2] = eep_addr;
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i2c_buf[3] = eep_addr>>8;
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ret = cst2xx_i2c_write(ts->client, i2c_buf, 4);
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if (ret < 0)
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goto error_out;
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#if 0
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i2c_buf[0] = 0xA0;
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i2c_buf[1] = 0x18;
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memcpy(i2c_buf + 2, pdata + eep_addr, 512);
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ret = cst2xx_i2c_write(ts->client, i2c_buf, 514);
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if (ret < 0)
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goto error_out;
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#else
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memcpy(i2c_buf, pdata + eep_addr, 512);
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for(j=0; j<128; j++) {
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iic_addr = (j<<2);
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temp_buf[0] = (iic_addr+0xA018)>>8;
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temp_buf[1] = (iic_addr+0xA018)&0xFF;
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temp_buf[2] = i2c_buf[iic_addr+0];
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temp_buf[3] = i2c_buf[iic_addr+1];
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temp_buf[4] = i2c_buf[iic_addr+2];
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temp_buf[5] = i2c_buf[iic_addr+3];
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ret = cst2xx_i2c_write(ts->client, temp_buf, 6);
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if (ret < 0)
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goto error_out;
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}
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#endif
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i2c_buf[0] = 0xA0;
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i2c_buf[1] = 0x04;
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i2c_buf[2] = 0xEE;
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ret = cst2xx_i2c_write(ts->client, i2c_buf, 3);
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if (ret < 0)
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goto error_out;
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msleep(600);
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for(retry=0;retry<10;retry++)
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{
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i2c_buf[0] = 0xA0;
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i2c_buf[1] = 0x05;
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ret = cst2xx_i2c_read_register(ts->client, i2c_buf, 1);
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if (ret < 0){
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msleep(100);
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continue;
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}
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else
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{
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if (i2c_buf[0] != 0x55){
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msleep(100);
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continue;
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}else{
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break;
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}
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}
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}
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if(retry==10)
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{
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goto error_out;
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}
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}
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i2c_buf[0] = 0xA0;
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i2c_buf[1] = 0x01;
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i2c_buf[2] = 0x00;
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ret = cst2xx_i2c_write(ts->client, i2c_buf, 3);
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if (ret < 0)
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goto error_out;
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i2c_buf[0] = 0xA0;
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i2c_buf[1] = 0x03;
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i2c_buf[2] = 0x00;
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ret = cst2xx_i2c_write(ts->client, i2c_buf, 3);
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if (i2c_buf != NULL) {
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kfree(i2c_buf);
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i2c_buf = NULL;
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}
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return 0;
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error_out:
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if (i2c_buf != NULL) {
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kfree(i2c_buf);
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i2c_buf = NULL;
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}
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return -1;
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}
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static int cst2xx_read_checksum(struct hyn_ts *ts)
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{
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int ret;
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int i;
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unsigned int checksum;
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unsigned int bin_checksum;
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unsigned char buf[4];
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const unsigned char *pData;
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for(i=0; i<10; i++)
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{
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buf[0] = 0xA0;
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buf[1] = 0x00;
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ret = cst2xx_i2c_read_register(ts->client, buf, 1);
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if(ret < 0)
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{
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msleep(2);
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continue;
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}
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if(buf[0]!=0)
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break;
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else
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msleep(2);
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}
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msleep(4);
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if(buf[0]==0x01)
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{
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buf[0] = 0xA0;
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buf[1] = 0x08;
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ret = cst2xx_i2c_read_register(ts->client, buf, 4);
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if(ret < 0) return -1;
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//handle read data --> checksum
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checksum = buf[0] + (buf[1]<<8) + (buf[2]<<16) + (buf[3]<<24);
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pData=(unsigned char *)fwbin +7680-4; //7*1024 +512
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bin_checksum = pData[0] + (pData[1]<<8) + (pData[2]<<16) + (pData[3]<<24);
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printk("hyn checksum ic:0x%x. bin:0x%x------\n", checksum, bin_checksum);
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if(checksum!=bin_checksum)
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{
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printk("hyn check sum error.\n");
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return -1;
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}
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}
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else
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{
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printk("hyn No checksum. buf[0]:%d.\n", buf[0]);
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return -1;
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}
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return 0;
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}
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static int cst2xx_update_firmware(struct i2c_client * client, struct hyn_ts *ts,
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unsigned char *pdata, int data_len)
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{
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int ret;
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int retry;
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unsigned char buf[4];
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retry = 0;
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start_flow:
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printk("hyn enter the update firmware.\n");
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disable_irq(ts->irq);
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msleep(20);
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ret = cst2xx_enter_download_mode(ts);
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if (ret < 0)
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{
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printk("hyn enter download mode failed.\n");
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goto fail_retry;
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}
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ret = cst2xx_download_program(pdata, data_len,ts);
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if (ret < 0)
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{
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printk("hyn download program failed.\n");
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goto fail_retry;
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}
|
|
|
|
msleep(10);
|
|
|
|
ret = cst2xx_read_checksum(ts);
|
|
if(ret < 0){
|
|
printk("hyn check the updating checksum error.\n");
|
|
return ret;
|
|
}
|
|
else
|
|
{
|
|
buf[0] = 0xA0; //exit program
|
|
buf[1] = 0x06;
|
|
buf[2] = 0xEE;
|
|
ret = cst2xx_i2c_write(client, buf, 3);
|
|
|
|
if(ret < 0)
|
|
goto fail_retry;
|
|
|
|
}
|
|
|
|
printk("hyn download firmware succesfully.\n");
|
|
|
|
msleep(100);
|
|
|
|
hard_reset_chip(ts, 30);
|
|
|
|
enable_irq(ts->irq);
|
|
|
|
return 0;
|
|
|
|
fail_retry:
|
|
if (retry < 4)
|
|
{
|
|
retry++;
|
|
goto start_flow;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int cst2xx_boot_update_fw(struct i2c_client * client, struct hyn_ts *ts)
|
|
{
|
|
return cst2xx_update_firmware(client, ts, fwbin, FW_BIN_SIZE);
|
|
}
|
|
|
|
static int cst2xx_check_code(struct hyn_ts *ts)
|
|
{
|
|
int retry = 0;
|
|
int ret;
|
|
unsigned char buf[4];
|
|
unsigned int fw_checksum,fw_version,fw_customer_id;
|
|
unsigned int bin_checksum,bin_version;
|
|
const unsigned char *pData;
|
|
|
|
buf[0] = 0xD0;
|
|
buf[1] = 0x4C;
|
|
while(retry++ < 3) {
|
|
ret = cst2xx_i2c_read_register(ts->client, buf, 1);
|
|
if (ret > 0) break;
|
|
msleep(2);
|
|
}
|
|
if((buf[0]==226)||(buf[0]==237)||(buf[0]==240))
|
|
{
|
|
//checksum
|
|
return 0;
|
|
}
|
|
else if(buf[0]==168)
|
|
{
|
|
buf[0] = 0xD0;
|
|
buf[1] = 0x49;
|
|
while(retry++ < 3) {
|
|
ret = cst2xx_i2c_read_register(ts->client, buf, 2);
|
|
if (ret > 0) break;
|
|
msleep(2);
|
|
}
|
|
fw_customer_id=(buf[0]<<8)+buf[1];
|
|
printk("hyn fw_customer_id:%d. \r\n",fw_customer_id);
|
|
|
|
//checksum
|
|
buf[0] = 0xD2;
|
|
buf[1] = 0x0C;
|
|
while(retry++ < 5) {
|
|
ret = cst2xx_i2c_read_register(ts->client, buf, 4);
|
|
if (ret > 0) break;
|
|
msleep(2);
|
|
}
|
|
|
|
fw_checksum = buf[3];
|
|
fw_checksum <<= 8;
|
|
fw_checksum |= buf[2];
|
|
fw_checksum <<= 8;
|
|
fw_checksum |= buf[1];
|
|
fw_checksum <<= 8;
|
|
fw_checksum |= buf[0];
|
|
|
|
pData=(unsigned char *)fwbin +7680-4; //7*1024 +512
|
|
bin_checksum = pData[0] + (pData[1]<<8) + (pData[2]<<16) + (pData[3]<<24);
|
|
|
|
if(fw_checksum!=bin_checksum)
|
|
{
|
|
printk("hyn checksum is different******bin_checksum:0x%x, fw_checksum:0x%x. \r\n",bin_checksum,fw_checksum);
|
|
|
|
//chip version
|
|
buf[0] = 0xD2;
|
|
buf[1] = 0x08;
|
|
while(retry++ < 5) {
|
|
ret = cst2xx_i2c_read_register(ts->client, buf, 4);
|
|
if (ret > 0) break;
|
|
msleep(2);
|
|
}
|
|
|
|
fw_version = buf[3];
|
|
fw_version <<= 8;
|
|
fw_version |= buf[2];
|
|
fw_version <<= 8;
|
|
fw_version |= buf[1];
|
|
fw_version <<= 8;
|
|
fw_version |= buf[0];
|
|
|
|
pData=(unsigned char *)fwbin +7680-8; //7*1024 +512
|
|
bin_version = pData[0] + (pData[1]<<8) + (pData[2]<<16) + (pData[3]<<24);
|
|
|
|
printk("hyn bin_version is different******bin_version:0x%x, fw_version:0x%x. \r\n",bin_version,fw_version);
|
|
|
|
if(bin_version>=fw_version)
|
|
{
|
|
ret = cst2xx_boot_update_fw(ts->client, ts);
|
|
if(ret<0)
|
|
{
|
|
printk("hyn update firmware fail . \r\n");
|
|
hard_reset_chip(ts, 20);
|
|
return -2;
|
|
}
|
|
else return 0;
|
|
}
|
|
else
|
|
{
|
|
printk("hyn bin_version is lower ,no need to update firmware.\n");
|
|
return 0;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
printk("hyn checksum :0x%x is same,no need to update firmware.\n",fw_checksum);
|
|
return 0;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
printk("hyn check code error. buf[0]:%d.\n", buf[0]);
|
|
ret = cst2xx_boot_update_fw(ts->client, ts);
|
|
if(ret<0) return -2;
|
|
else return 0;
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_TOUCH_KEY
|
|
static void report_key(struct hyn_ts *ts, u16 x, u16 y)
|
|
{
|
|
u16 i = 0;
|
|
|
|
for(i = 0; i < MAX_KEY_NUM; i++) {
|
|
if((hyn_key_data[i].x_min < x) && (x < hyn_key_data[i].x_max)&&(hyn_key_data[i].y_min < y) && (y < hyn_key_data[i].y_max)){
|
|
key = hyn_key_data[i].key;
|
|
input_report_key(ts->input, key, 1);
|
|
input_sync(ts->input);
|
|
key_state_flag = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void cst2xx_touch_down(struct input_dev *input_dev, s32 id,s32 x,s32 y,s32 w)
|
|
{
|
|
s32 temp_w = (w>>1);
|
|
|
|
#ifdef ICS_SLOT_REPORT
|
|
input_mt_slot(input_dev, id);
|
|
input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, 1);
|
|
input_report_abs(input_dev, ABS_MT_TRACKING_ID, id);
|
|
input_report_abs(input_dev, ABS_MT_POSITION_X, x);
|
|
input_report_abs(input_dev, ABS_MT_POSITION_Y, y);
|
|
input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, temp_w);
|
|
input_report_abs(input_dev, ABS_MT_WIDTH_MAJOR, temp_w);
|
|
input_report_abs(input_dev, ABS_MT_PRESSURE, temp_w);
|
|
#else
|
|
input_report_key(input_dev, BTN_TOUCH, 1);
|
|
input_report_abs(input_dev, ABS_MT_POSITION_X, x);
|
|
input_report_abs(input_dev, ABS_MT_POSITION_Y, y);
|
|
input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, temp_w);
|
|
input_report_abs(input_dev, ABS_MT_WIDTH_MAJOR, temp_w);
|
|
input_report_abs(input_dev, ABS_MT_TRACKING_ID, id);
|
|
input_mt_sync(input_dev);
|
|
#endif
|
|
|
|
}
|
|
|
|
static void cst2xx_touch_up(struct input_dev *input_dev, int id)
|
|
{
|
|
|
|
#ifdef ICS_SLOT_REPORT
|
|
input_mt_slot(input_dev, id);
|
|
//input_report_abs(input_dev, ABS_MT_TRACKING_ID, -1);
|
|
input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, 0);
|
|
#else
|
|
input_report_key(input_dev, BTN_TOUCH, 0);
|
|
input_mt_sync(input_dev);
|
|
#endif
|
|
|
|
}
|
|
|
|
#ifdef ANDROID_TOOL_SURPORT //debug tool support
|
|
|
|
#define CST2XX_PROC_DIR_NAME "cst1xx_ts"
|
|
#define CST2XX_PROC_FILE_NAME "cst1xx-update"
|
|
|
|
static struct proc_dir_entry *g_proc_dir, *g_update_file;
|
|
static int CMDIndex = 0;
|
|
|
|
#if 1
|
|
static struct file *cst2xx_open_fw_file(char *path)
|
|
{
|
|
struct file * filp = NULL;
|
|
int ret;
|
|
|
|
//*old_fs_p = get_fs();
|
|
//set_fs(KERNEL_DS);
|
|
filp = filp_open(path, O_RDONLY, 0);
|
|
if (IS_ERR(filp))
|
|
{
|
|
ret = PTR_ERR(filp);
|
|
return NULL;
|
|
}
|
|
filp->f_op->llseek(filp, 0, 0);
|
|
return filp;
|
|
}
|
|
|
|
static void cst2xx_close_fw_file(struct file * filp)
|
|
{
|
|
// set_fs(old_fs);
|
|
if(filp)
|
|
filp_close(filp,NULL);
|
|
}
|
|
|
|
static int cst2xx_read_fw_file(unsigned char *filename, unsigned char *pdata, int *plen)
|
|
{
|
|
struct file *fp;
|
|
// mm_segment_t old_fs;
|
|
int size;
|
|
int length;
|
|
int ret = -1;
|
|
|
|
if((pdata == NULL) || (strlen(filename) == 0))
|
|
{
|
|
printk("file name is null.\n");
|
|
return ret;
|
|
}
|
|
fp = cst2xx_open_fw_file(filename);
|
|
if(fp == NULL)
|
|
{
|
|
printk("Open bin file faild.path:%s.\n", filename);
|
|
goto clean;
|
|
}
|
|
|
|
length = fp->f_op->llseek(fp, 0, SEEK_END);
|
|
fp->f_op->llseek(fp, 0, 0);
|
|
size = fp->f_op->read(fp, pdata, length, &fp->f_pos);
|
|
if(size == length)
|
|
{
|
|
ret = 0;
|
|
*plen = length;
|
|
} else {
|
|
printk("read bin file length fail****size:%d*******length:%d .\n", size,length);
|
|
|
|
}
|
|
|
|
clean:
|
|
cst2xx_close_fw_file(fp);
|
|
return ret;
|
|
}
|
|
#else
|
|
static struct file *cst2xx_open_fw_file(char *path, mm_segment_t * old_fs_p)
|
|
{
|
|
struct file * filp;
|
|
int ret;
|
|
|
|
*old_fs_p = get_fs();
|
|
set_fs(KERNEL_DS);
|
|
filp = filp_open(path, O_RDONLY, 0);
|
|
if (IS_ERR(filp))
|
|
{
|
|
ret = PTR_ERR(filp);
|
|
return NULL;
|
|
}
|
|
filp->f_op->llseek(filp, 0, 0);
|
|
|
|
return filp;
|
|
}
|
|
|
|
static void cst2xx_close_fw_file(struct file * filp,mm_segment_t old_fs)
|
|
{
|
|
set_fs(old_fs);
|
|
if(filp)
|
|
filp_close(filp,NULL);
|
|
}
|
|
|
|
static int cst2xx_read_fw_file(unsigned char *filename, unsigned char *pdata, int *plen)
|
|
{
|
|
struct file *fp;
|
|
mm_segment_t old_fs;
|
|
int size;
|
|
int length;
|
|
int ret = -1;
|
|
|
|
if((pdata == NULL) || (strlen(filename) == 0))
|
|
return ret;
|
|
fp = cst2xx_open_fw_file(filename, &old_fs);
|
|
if(fp == NULL)
|
|
{
|
|
printk("Open bin file faild.path:%s.\n", filename);
|
|
goto clean;
|
|
}
|
|
|
|
length = fp->f_op->llseek(fp, 0, SEEK_END);
|
|
fp->f_op->llseek(fp, 0, 0);
|
|
size = fp->f_op->read(fp, pdata, length, &fp->f_pos);
|
|
if(size == length)
|
|
{
|
|
ret = 0;
|
|
*plen = length;
|
|
} else {
|
|
printk("read bin file length fail****size:%d*******length:%d .\n", size,length);
|
|
|
|
}
|
|
|
|
clean:
|
|
cst2xx_close_fw_file(fp, old_fs);
|
|
return ret;
|
|
}
|
|
|
|
#endif
|
|
static int cst2xx_apk_fw_dowmload(struct i2c_client *client,
|
|
unsigned char *pdata, int length)
|
|
{
|
|
int ret;
|
|
|
|
ret = cst2xx_update_firmware(client, hyn_global_ts, pdata, FW_BIN_SIZE);
|
|
if (ret < 0)
|
|
{
|
|
printk("online update fw failed.\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t cst2xx_proc_read_foobar(struct file *page,char __user *user_buf, size_t count, loff_t *data)
|
|
{
|
|
unsigned char buf[512];
|
|
int len = 0;
|
|
int ret;
|
|
|
|
printk("cst2xx_proc_read_foobar********CMDIndex:%d. \n",CMDIndex);
|
|
|
|
disable_irq(hyn_global_ts->irq);
|
|
|
|
if (CMDIndex == 0) {
|
|
sprintf(buf,"Hynitron touchscreen driver 1.0.\n");
|
|
//strcpy(page,buf);
|
|
len = strlen(buf);
|
|
ret = copy_to_user(user_buf,buf,len);
|
|
|
|
}
|
|
else if (CMDIndex == 1)
|
|
{
|
|
buf[0] = g_cst2xx_rx;
|
|
buf[1] = g_cst2xx_tx;
|
|
ret = copy_to_user(user_buf,buf,2);
|
|
len = 2;
|
|
}
|
|
if(CMDIndex == 2 || CMDIndex == 3)
|
|
{
|
|
unsigned short rx,tx;
|
|
int data_len;
|
|
|
|
rx = g_cst2xx_rx;
|
|
tx = g_cst2xx_tx;
|
|
data_len = rx*tx*2 + 4 + (tx+rx)*2 + rx + rx; //374
|
|
|
|
if(CMDIndex == 2) //read diff
|
|
{
|
|
buf[0] = 0xD1;
|
|
buf[1] = 0x0D;
|
|
}
|
|
else //rawdata
|
|
{
|
|
buf[0] = 0xD1;
|
|
buf[1] = 0x0A;
|
|
}
|
|
|
|
ret = cst2xx_i2c_write(hyn_global_ts->client, buf, 2);
|
|
if(ret < 0)
|
|
{
|
|
printk("Write command raw/diff mode failed.error:%d.\n", ret);
|
|
goto END;
|
|
}
|
|
|
|
g_unnormal_mode = 1;
|
|
msleep(14);
|
|
|
|
while(!gpio_get_value(hyn_global_ts->irq_pin ));
|
|
|
|
buf[0] = 0x80;
|
|
buf[1] = 0x01;
|
|
ret = cst2xx_i2c_write(hyn_global_ts->client, buf, 2);
|
|
if(ret < 0)
|
|
{
|
|
printk("Write command(0x8001) failed.error:%d.\n", ret);
|
|
goto END;
|
|
}
|
|
ret = cst2xx_i2c_read(hyn_global_ts->client, &buf[2], data_len);
|
|
if(ret < 0)
|
|
{
|
|
printk("Read raw/diff data failed.error:%d.\n", ret);
|
|
goto END;
|
|
}
|
|
|
|
msleep(2);
|
|
|
|
buf[0] = 0xD1;
|
|
buf[1] = 0x08;
|
|
ret = cst2xx_i2c_write(hyn_global_ts->client, buf, 2);
|
|
if(ret < 0)
|
|
{
|
|
printk("Write command normal mode failed.error:%d.\n", ret);
|
|
goto END;
|
|
}
|
|
|
|
buf[0] = rx;
|
|
buf[1] = tx;
|
|
ret = copy_to_user(user_buf,buf,data_len + 2);
|
|
len = data_len + 2;
|
|
|
|
msleep(2);
|
|
}
|
|
|
|
END:
|
|
g_unnormal_mode = 0;
|
|
|
|
CMDIndex = 0;
|
|
enable_irq(hyn_global_ts->irq);
|
|
|
|
return len;
|
|
}
|
|
|
|
static ssize_t cst2xx_proc_write_foobar(struct file *file, const char __user *buffer,size_t count, loff_t *data)
|
|
{
|
|
unsigned char cmd[128];
|
|
unsigned char *pdata = NULL;
|
|
int len;
|
|
int ret;
|
|
int length = 6*1024;
|
|
|
|
if (count > 128)
|
|
len = 128;
|
|
else
|
|
len = count;
|
|
|
|
if (copy_from_user(cmd, buffer, len))
|
|
{
|
|
printk("copy data from user space failed.\n");
|
|
return -EFAULT;
|
|
}
|
|
|
|
printk("cst2xx_proc_write_foobar*********cmd:%d*****%d******len:%d .\r\n", cmd[0], cmd[1], len);
|
|
|
|
if (cmd[0] == 0)
|
|
{
|
|
pdata = kzalloc(sizeof(char)*length, GFP_KERNEL);
|
|
if(pdata == NULL)
|
|
{
|
|
printk("zalloc GFP_KERNEL memory fail.\n");
|
|
return -ENOMEM;
|
|
}
|
|
ret = cst2xx_read_fw_file(&cmd[1], pdata, &length);
|
|
if(ret < 0)
|
|
{
|
|
printk("cst2xx_read_fw_file fail.\n");
|
|
if(pdata != NULL)
|
|
{
|
|
kfree(pdata);
|
|
pdata = NULL;
|
|
}
|
|
return -EPERM;
|
|
}
|
|
|
|
ret = cst2xx_apk_fw_dowmload(hyn_global_ts->client, pdata, length);
|
|
if(ret < 0)
|
|
{
|
|
printk("update firmware failed.\n");
|
|
if(pdata != NULL)
|
|
{
|
|
kfree(pdata);
|
|
pdata = NULL;
|
|
}
|
|
return -EPERM;
|
|
}
|
|
|
|
}
|
|
else if (cmd[0] == 2)
|
|
{
|
|
//cst2xx_touch_release();
|
|
CMDIndex = cmd[1];
|
|
}
|
|
else if (cmd[0] == 3)
|
|
{
|
|
CMDIndex = 0;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
|
|
static const struct file_operations proc_tool_debug_fops = {
|
|
|
|
.owner = THIS_MODULE,
|
|
.read = cst2xx_proc_read_foobar,
|
|
.write = cst2xx_proc_write_foobar,
|
|
|
|
};
|
|
static int cst2xx_proc_fs_init(void)
|
|
{
|
|
int ret;
|
|
|
|
g_proc_dir = proc_mkdir(CST2XX_PROC_DIR_NAME, NULL);
|
|
if (g_proc_dir == NULL)
|
|
{
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
g_update_file = proc_create(CST2XX_PROC_FILE_NAME, 0777, g_proc_dir,&proc_tool_debug_fops);
|
|
|
|
if (g_update_file == NULL)
|
|
{
|
|
ret = -ENOMEM;
|
|
printk("proc_create CST2XX_PROC_FILE_NAME failed.\n");
|
|
goto no_foo;
|
|
}
|
|
/**************************************
|
|
g_update_file = create_proc_entry(CST2XX_PROC_FILE_NAME, 0666, g_proc_dir);
|
|
if (g_update_file == NULL)
|
|
{
|
|
ret = -ENOMEM;
|
|
goto no_foo;
|
|
}
|
|
|
|
g_update_file->read_proc = cst2xx_proc_read_foobar;
|
|
g_update_file->write_proc = cst2xx_proc_write_foobar;
|
|
|
|
************************************************/
|
|
return 0;
|
|
|
|
no_foo:
|
|
remove_proc_entry(CST2XX_PROC_FILE_NAME, g_proc_dir);
|
|
out:
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
|
|
static int report_flag = 0;
|
|
static void cst2xx_ts_worker(struct work_struct *work)
|
|
{
|
|
//int rc, i;
|
|
//u8 id, touches;
|
|
//u16 x, y;
|
|
u8 buf[60];//30
|
|
u8 i2c_buf[8];
|
|
u8 key_status;
|
|
u8 key_id, finger_id, sw;
|
|
int input_x = 0;
|
|
int input_y = 0;
|
|
int input_w = 0;
|
|
int temp;
|
|
u8 i, cnt_up, cnt_down;
|
|
int ret, idx;
|
|
int cnt, i2c_len, len_1, len_2;
|
|
|
|
|
|
#ifdef HYN_NOID_VERSION
|
|
u32 tmp1;
|
|
u8 buf[4] = {0};
|
|
struct hyn_touch_info cinfo;
|
|
#endif
|
|
|
|
struct hyn_ts *ts = container_of(work, struct hyn_ts,work);
|
|
|
|
//print_info("=====cst2xx_ts_worker=====\n");
|
|
|
|
#ifdef TPD_PROC_DEBUG
|
|
if(hyn_proc_flag == 1)
|
|
goto schedule;
|
|
#endif
|
|
|
|
//buf[0] = 0xD1;
|
|
//buf[1] = 0x08;
|
|
//ret = cst2xx_i2c_write(g_i2c_client, buf, 2);
|
|
//if (ret < 0)
|
|
//{
|
|
// printk("send get finger point cmd failed.\r\n");
|
|
// goto END;
|
|
//}
|
|
|
|
buf[0] = 0xD0;
|
|
buf[1] = 0x00;
|
|
ret = cst2xx_i2c_read_register(ts->client, buf, 7);
|
|
if(ret < 0) {
|
|
printk("hyn iic read touch point data failed.\n");
|
|
goto OUT_PROCESS;
|
|
}
|
|
|
|
key_status = buf[0];
|
|
|
|
if(buf[6] != 0xAB) {
|
|
//printk("data is not valid..\r\n");
|
|
goto OUT_PROCESS;
|
|
}
|
|
|
|
cnt = buf[5] & 0x7F;
|
|
if(cnt>MAX_FINGERS) goto OUT_PROCESS;
|
|
else if(cnt==0) goto CLR_POINT;
|
|
|
|
if(buf[5] == 0x80) {
|
|
key_status = buf[0];
|
|
key_id = buf[1];
|
|
goto KEY_PROCESS;
|
|
}
|
|
else if(cnt == 0x01) {
|
|
goto FINGER_PROCESS;
|
|
}
|
|
else {
|
|
#ifdef TRANSACTION_LENGTH_LIMITED
|
|
if((buf[5]&0x80) == 0x80) { //key
|
|
i2c_len = (cnt - 1)*5 + 3;
|
|
len_1 = i2c_len;
|
|
for(idx=0; idx<i2c_len; idx+=6) {
|
|
i2c_buf[0] = 0xD0;
|
|
i2c_buf[1] = 0x07+idx;
|
|
|
|
if(len_1>=6) {
|
|
len_2 = 6;
|
|
len_1 -= 6;
|
|
}
|
|
else {
|
|
len_2 = len_1;
|
|
len_1 = 0;
|
|
}
|
|
|
|
ret = cst2xx_i2c_read_register(ts->client, i2c_buf, len_2);
|
|
if(ret < 0) goto OUT_PROCESS;
|
|
|
|
for(i=0; i<len_2; i++) {
|
|
buf[5+idx+i] = i2c_buf[i];
|
|
}
|
|
}
|
|
|
|
i2c_len += 5;
|
|
key_status = buf[i2c_len - 3];
|
|
key_id = buf[i2c_len - 2];
|
|
}
|
|
else {
|
|
i2c_len = (cnt - 1)*5 + 1;
|
|
len_1 = i2c_len;
|
|
|
|
for(idx=0; idx<i2c_len; idx+=6) {
|
|
i2c_buf[0] = 0xD0;
|
|
i2c_buf[1] = 0x07+idx;
|
|
|
|
if(len_1>=6) {
|
|
len_2 = 6;
|
|
len_1 -= 6;
|
|
}
|
|
else {
|
|
len_2 = len_1;
|
|
len_1 = 0;
|
|
}
|
|
|
|
ret = cst2xx_i2c_read_register(ts->client, i2c_buf, len_2);
|
|
if (ret < 0) goto OUT_PROCESS;
|
|
|
|
for(i=0; i<len_2; i++) {
|
|
buf[5+idx+i] = i2c_buf[i];
|
|
}
|
|
}
|
|
i2c_len += 5;
|
|
}
|
|
#else
|
|
if ((buf[5]&0x80) == 0x80) {
|
|
buf[5] = 0xD0;
|
|
buf[6] = 0x07;
|
|
i2c_len = (cnt - 1)*5 + 3;
|
|
ret = cst2xx_i2c_read_register(ts->client, &buf[5], i2c_len);
|
|
if (ret < 0)
|
|
goto OUT_PROCESS;
|
|
i2c_len += 5;
|
|
key_status = buf[i2c_len - 3];
|
|
key_id = buf[i2c_len - 2];
|
|
}
|
|
else {
|
|
buf[5] = 0xD0;
|
|
buf[6] = 0x07;
|
|
i2c_len = (cnt - 1)*5 + 1;
|
|
ret = cst2xx_i2c_read_register(ts->client, &buf[5], i2c_len);
|
|
if (ret < 0)
|
|
goto OUT_PROCESS;
|
|
i2c_len += 5;
|
|
}
|
|
#endif
|
|
|
|
if (buf[i2c_len - 1] != 0xAB) {
|
|
goto OUT_PROCESS;
|
|
}
|
|
}
|
|
|
|
if((cnt > 0) && (key_status & 0x80)) //both key and point
|
|
{
|
|
if(report_flag==0xA5) goto KEY_PROCESS;
|
|
}
|
|
|
|
FINGER_PROCESS:
|
|
|
|
i2c_buf[0] = 0xD0;
|
|
i2c_buf[1] = 0x00;
|
|
i2c_buf[2] = 0xAB;
|
|
ret = cst2xx_i2c_write(ts->client, i2c_buf, 3);
|
|
if (ret < 0) {
|
|
printk("hyn send read touch info ending failed.\r\n");
|
|
hard_reset_chip(ts, 20);
|
|
}
|
|
|
|
idx = 0;
|
|
cnt_up = 0;
|
|
cnt_down = 0;
|
|
for (i = 0; i < cnt; i++) {
|
|
input_x = (unsigned int)((buf[idx + 1] << 4) | ((buf[idx + 3] >> 4) & 0x0F));
|
|
input_y = (unsigned int)((buf[idx + 2] << 4) | (buf[idx + 3] & 0x0F));
|
|
input_w = (unsigned int)(buf[idx + 4]);
|
|
sw = (buf[idx] & 0x0F) >> 1;
|
|
finger_id = (buf[idx] >> 4) & 0x0F;
|
|
|
|
#ifdef SWAP_X_Y
|
|
temp = input_x;
|
|
input_x = input_y;
|
|
input_y = temp;
|
|
#endif
|
|
|
|
#ifdef X_POL
|
|
input_x = SCREEN_MAX_X - input_x;
|
|
#endif
|
|
|
|
#ifdef Y_POL
|
|
input_y = SCREEN_MAX_Y - input_y;
|
|
#endif
|
|
|
|
//printk("Point x:%d, y:%d, id:%d, sw:%d.\r\n", input_x, input_y, finger_id, sw);
|
|
|
|
if (sw == 0x03) {
|
|
cst2xx_touch_down(ts->input, finger_id, input_x, input_y, input_w);
|
|
cnt_down++;
|
|
|
|
#ifdef HYN_GESTURE
|
|
print_info("\n gsl_lcd_flag = %d ---- gsl_gesture_flag = %d .\n\n", gsl_lcd_flag, gsl_gesture_flag);
|
|
if(1 == gsl_lcd_flag && 1 == gsl_gesture_flag){
|
|
print_info("auto wake up lcd\n");
|
|
rk_send_wakeup_key();
|
|
}else{
|
|
gsl_gesture_flag = 0;
|
|
}
|
|
#endif
|
|
|
|
}
|
|
else {
|
|
cnt_up++;
|
|
#ifdef ICS_SLOT_REPORT
|
|
cst2xx_touch_up(ts->input, finger_id);
|
|
#endif
|
|
}
|
|
idx += 5;
|
|
}
|
|
|
|
#ifndef ICS_SLOT_REPORT
|
|
if((cnt_up>0) && (cnt_down==0))
|
|
cst2xx_touch_up(ts->input, 0);
|
|
#endif
|
|
|
|
if(cnt_down==0) report_flag = 0;
|
|
else report_flag = 0xCA;
|
|
|
|
input_sync(ts->input);
|
|
|
|
goto END;
|
|
|
|
KEY_PROCESS:
|
|
i2c_buf[0] = 0xD0;
|
|
i2c_buf[1] = 0x00;
|
|
i2c_buf[2] = 0xAB;
|
|
ret = cst2xx_i2c_write(ts->client, i2c_buf, 3);
|
|
if (ret < 0) {
|
|
printk("hyn send read touch info ending failed.\r\n");
|
|
}
|
|
|
|
#ifdef HAVE_TOUCH_KEY
|
|
if(key_status&0x80) {
|
|
if((key_status&0x7F)==0x03) {
|
|
i = (key_id>>4)-1;
|
|
key = hyn_key_data[i].key;
|
|
input_report_key(ts->input, key, 1);
|
|
|
|
report_flag = 0xA5;
|
|
}
|
|
else {
|
|
input_report_key(ts->input, key, 0);
|
|
report_flag = 0;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
input_sync(ts->input);
|
|
|
|
goto END;
|
|
|
|
CLR_POINT:
|
|
#ifdef SLEEP_CLEAR_POINT
|
|
#ifdef ICS_SLOT_REPORT
|
|
for(i=0; i<=MAX_CONTACTS; i++) {
|
|
input_mt_slot(ts->input, i);
|
|
input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
|
|
input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
|
|
}
|
|
#else
|
|
input_mt_sync(ts->input);
|
|
#endif
|
|
input_sync(ts->input);
|
|
#endif
|
|
|
|
OUT_PROCESS:
|
|
i2c_buf[0] = 0xD0;
|
|
i2c_buf[1] = 0x00;
|
|
i2c_buf[2] = 0xAB;
|
|
ret = cst2xx_i2c_write(ts->client, i2c_buf, 3);
|
|
if (ret < 0) {
|
|
printk("send read touch info ending failed.\n");
|
|
hard_reset_chip(ts, 20);
|
|
}
|
|
|
|
END:
|
|
#ifdef HYN_MONITOR
|
|
if(i2c_lock_flag != 0)
|
|
goto i2c_lock_schedule;
|
|
else
|
|
i2c_lock_flag = 1;
|
|
#endif
|
|
|
|
#ifdef TPD_PROC_DEBUG
|
|
schedule:
|
|
#endif
|
|
|
|
#ifdef HYN_MONITOR
|
|
i2c_lock_flag = 0;
|
|
i2c_lock_schedule:
|
|
#endif
|
|
//enable_irq(ts->irq);
|
|
cnt=0;
|
|
//printk("========cst2xx_ts_worker end=========\n");
|
|
}
|
|
|
|
#ifdef HYN_MONITOR
|
|
static void hyn_monitor_worker(struct work_struct *work)
|
|
{
|
|
//u8 write_buf[4] = {0};
|
|
u8 read_buf[4] = {0};
|
|
char init_chip_flag = 0;
|
|
|
|
// print_info("----------------hyn_monitor_worker-----------------\n");
|
|
struct hyn_ts *ts = container_of(work, struct hyn_ts,hyn_monitor_work.work);
|
|
if(i2c_lock_flag != 0) {
|
|
//i2c_lock_flag=1;
|
|
goto queue_monitor_work;
|
|
}
|
|
else
|
|
i2c_lock_flag = 1;
|
|
|
|
//hyn_ts_read(ts->client, 0x80, read_buf, 4);
|
|
//printk("======read 0x80: %x %x %x %x ======tony0geshu\n",read_buf[3], read_buf[2], read_buf[1], read_buf[0]);
|
|
|
|
hyn_ts_read(ts->client, 0xb0, read_buf, 4);
|
|
if(read_buf[3] != 0x5a || read_buf[2] != 0x5a || read_buf[1] != 0x5a || read_buf[0] != 0x5a)
|
|
b0_counter ++;
|
|
else
|
|
b0_counter = 0;
|
|
|
|
if(b0_counter > 1) {
|
|
printk("======read 0xb0: %x %x %x %x ======\n",read_buf[3], read_buf[2], read_buf[1], read_buf[0]);
|
|
init_chip_flag = 1;
|
|
b0_counter = 0;
|
|
goto queue_monitor_init_chip;
|
|
}
|
|
|
|
hyn_ts_read(ts->client, 0xb4, read_buf, 4);
|
|
int_2nd[3] = int_1st[3];
|
|
int_2nd[2] = int_1st[2];
|
|
int_2nd[1] = int_1st[1];
|
|
int_2nd[0] = int_1st[0];
|
|
int_1st[3] = read_buf[3];
|
|
int_1st[2] = read_buf[2];
|
|
int_1st[1] = read_buf[1];
|
|
int_1st[0] = read_buf[0];
|
|
|
|
//printk("======int_1st: %x %x %x %x , int_2nd: %x %x %x %x ======\n",int_1st[3], int_1st[2], int_1st[1], int_1st[0], int_2nd[3], int_2nd[2],int_2nd[1],int_2nd[0]);
|
|
|
|
if(int_1st[3] == int_2nd[3] && int_1st[2] == int_2nd[2] &&int_1st[1] == int_2nd[1] && int_1st[0] == int_2nd[0]) {
|
|
printk("======int_1st: %x %x %x %x , int_2nd: %x %x %x %x ======\n",int_1st[3], int_1st[2], int_1st[1], int_1st[0], int_2nd[3], int_2nd[2],int_2nd[1],int_2nd[0]);
|
|
init_chip_flag = 1;
|
|
goto queue_monitor_init_chip;
|
|
}
|
|
|
|
|
|
hyn_ts_read(ts->client, 0xbc, read_buf, 4);
|
|
if(read_buf[3] != 0 || read_buf[2] != 0 || read_buf[1] != 0 || read_buf[0] != 0)
|
|
bc_counter++;
|
|
else
|
|
bc_counter = 0;
|
|
if(bc_counter > 1) {
|
|
printk("======read 0xbc: %x %x %x %x======\n",read_buf[3], read_buf[2], read_buf[1], read_buf[0]);
|
|
init_chip_flag = 1;
|
|
bc_counter = 0;
|
|
}
|
|
|
|
|
|
/*
|
|
write_buf[3] = 0x01;
|
|
write_buf[2] = 0xfe;
|
|
write_buf[1] = 0x10;
|
|
write_buf[0] = 0x00;
|
|
hyn_ts_write(ts->client, 0xf0, write_buf, 4);
|
|
hyn_ts_read(ts->client, 0x10, read_buf, 4);
|
|
hyn_ts_read(ts->client, 0x10, read_buf, 4);
|
|
|
|
if(read_buf[3] < 10 && read_buf[2] < 10 && read_buf[1] < 10 && read_buf[0] < 10)
|
|
dac_counter ++;
|
|
else
|
|
dac_counter = 0;
|
|
|
|
if(dac_counter > 1)
|
|
{
|
|
printk("======read DAC1_0: %x %x %x %x ======\n",read_buf[3], read_buf[2], read_buf[1], read_buf[0]);
|
|
init_chip_flag = 1;
|
|
dac_counter = 0;
|
|
}
|
|
*/
|
|
queue_monitor_init_chip:
|
|
if(init_chip_flag)
|
|
init_chip(ts->client,ts);
|
|
|
|
i2c_lock_flag = 0;
|
|
|
|
queue_monitor_work:
|
|
queue_delayed_work(hyn_monitor_workqueue, &ts->hyn_monitor_work, 100);
|
|
}
|
|
#endif
|
|
|
|
static irqreturn_t hyn_ts_irq(int irq, void *dev_id)
|
|
{
|
|
///struct hyn_ts *ts = dev_id;
|
|
struct hyn_ts *ts = (struct hyn_ts*)dev_id;
|
|
//printk("========cst2xx Interrupt=========\n");
|
|
|
|
#ifdef HYN_GESTURE
|
|
if(1 == gsl_lcd_flag)
|
|
gsl_gesture_flag = 1;
|
|
#endif
|
|
|
|
//disable_irq_nosync(ts->irq);
|
|
|
|
if (!work_pending(&ts->work))
|
|
{
|
|
queue_work(ts->wq, &ts->work);
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int cst2xx_ts_init(struct i2c_client *client, struct hyn_ts *ts)
|
|
{
|
|
struct input_dev *input_device;
|
|
int rc = 0;
|
|
|
|
printk("hyn cst2xx Enter %s\n", __func__);
|
|
|
|
//input_device = devm_input_allocate_device(&ts->client->dev);
|
|
input_device = input_allocate_device();
|
|
if (!input_device) {
|
|
rc = -ENOMEM;
|
|
goto error_alloc_dev;
|
|
}
|
|
|
|
ts->input = input_device;
|
|
input_device->name = CST2XX_I2C_NAME;
|
|
input_device->id.bustype = BUS_I2C;
|
|
input_device->dev.parent = &client->dev;
|
|
input_set_drvdata(input_device, ts);
|
|
|
|
#ifdef ICS_SLOT_REPORT
|
|
__set_bit(EV_ABS, input_device->evbit);
|
|
__set_bit(EV_KEY, input_device->evbit);
|
|
__set_bit(EV_REP, input_device->evbit);
|
|
__set_bit(INPUT_PROP_DIRECT, input_device->propbit);
|
|
input_mt_init_slots(input_device, (MAX_CONTACTS+1), 0);
|
|
#else
|
|
input_set_abs_params(input_device,ABS_MT_TRACKING_ID, 0, (MAX_CONTACTS+1), 0, 0);
|
|
set_bit(EV_ABS, input_device->evbit);
|
|
set_bit(EV_KEY, input_device->evbit);
|
|
__set_bit(INPUT_PROP_DIRECT, input_device->propbit);
|
|
input_device->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
|
|
#endif
|
|
|
|
#ifdef HAVE_TOUCH_KEY
|
|
input_device->evbit[0] = BIT_MASK(EV_KEY);
|
|
//input_device->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
|
|
for (i = 0; i < MAX_KEY_NUM; i++)
|
|
set_bit(key_array[i], input_device->keybit);
|
|
#endif
|
|
|
|
set_bit(ABS_MT_POSITION_X, input_device->absbit);
|
|
set_bit(ABS_MT_POSITION_Y, input_device->absbit);
|
|
set_bit(ABS_MT_TOUCH_MAJOR, input_device->absbit);
|
|
set_bit(ABS_MT_WIDTH_MAJOR, input_device->absbit);
|
|
|
|
input_set_abs_params(input_device,ABS_MT_POSITION_X, 0, SCREEN_MAX_X, 0, 0);
|
|
input_set_abs_params(input_device,ABS_MT_POSITION_Y, 0, SCREEN_MAX_Y, 0, 0);
|
|
input_set_abs_params(input_device,ABS_MT_TOUCH_MAJOR, 0, PRESS_MAX, 0, 0);
|
|
input_set_abs_params(input_device,ABS_MT_WIDTH_MAJOR, 0, 200, 0, 0);
|
|
|
|
//client->irq = IRQ_PORT;
|
|
//ts->irq = client->irq;
|
|
//create_workqueue
|
|
|
|
ts->wq = create_singlethread_workqueue("kworkqueue_ts");
|
|
if (!ts->wq) {
|
|
dev_err(&client->dev, "hyn Could not create workqueue\n");
|
|
goto error_wq_create;
|
|
}
|
|
flush_workqueue(ts->wq);
|
|
|
|
INIT_WORK(&ts->work, cst2xx_ts_worker);
|
|
|
|
rc = input_register_device(input_device);
|
|
if (rc)
|
|
goto error_unreg_device;
|
|
|
|
return 0;
|
|
|
|
error_unreg_device:
|
|
destroy_workqueue(ts->wq);
|
|
error_wq_create:
|
|
input_free_device(input_device);
|
|
error_alloc_dev:
|
|
//kfree(ts->touch_data);
|
|
return rc;
|
|
}
|
|
|
|
static int hyn_ts_suspend(struct device *dev)
|
|
{
|
|
struct hyn_ts *ts = dev_get_drvdata(dev);
|
|
int i;
|
|
|
|
printk("I'am in hyn_ts_suspend() start\n");
|
|
|
|
#ifdef HYN_MONITOR
|
|
printk( "hyn_ts_suspend () : cancel hyn_monitor_work\n");
|
|
cancel_delayed_work_sync(&ts->hyn_monitor_work);
|
|
#endif
|
|
|
|
#ifdef HYN_GESTURE
|
|
// disable_irq_nosync(ts->irq);
|
|
#else
|
|
disable_irq_nosync(ts->irq);
|
|
|
|
if(h_wake_pin != 0) {
|
|
gpio_direction_output(ts->rst_pin, 0);
|
|
}
|
|
#endif
|
|
|
|
#ifdef SLEEP_CLEAR_POINT
|
|
msleep(10);
|
|
#ifdef ICS_SLOT_REPORT
|
|
for(i=1; i<=MAX_CONTACTS; i++) {
|
|
input_mt_slot(ts->input, i);
|
|
input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
|
|
input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
|
|
}
|
|
#else
|
|
input_mt_sync(ts->input);
|
|
#endif
|
|
input_sync(ts->input);
|
|
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hyn_ts_resume(struct device *dev)
|
|
{
|
|
struct hyn_ts *ts = dev_get_drvdata(dev);
|
|
int i, rc;
|
|
|
|
printk("I'am in hyn_ts_resume() start\n");
|
|
|
|
hard_reset_chip(ts, 30);
|
|
|
|
#ifdef SLEEP_CLEAR_POINT
|
|
#ifdef ICS_SLOT_REPORT
|
|
for(i=1; i<=MAX_CONTACTS; i++) {
|
|
input_mt_slot(ts->input, i);
|
|
input_report_abs(ts->input, ABS_MT_TRACKING_ID, -1);
|
|
input_mt_report_slot_state(ts->input, MT_TOOL_FINGER, false);
|
|
}
|
|
#else
|
|
input_mt_sync(ts->input);
|
|
#endif
|
|
input_sync(ts->input);
|
|
#endif
|
|
|
|
#ifdef HYN_MONITOR
|
|
printk( "hyn_ts_resume () : queue hyn_monitor_work\n");
|
|
queue_delayed_work(hyn_monitor_workqueue, &ts->hyn_monitor_work, 300);
|
|
#endif
|
|
|
|
|
|
#ifdef HYN_GESTURE
|
|
// enable_irq(ts->irq);
|
|
#else
|
|
enable_irq(ts->irq);
|
|
#endif
|
|
|
|
msleep(200);
|
|
|
|
rc = cst2xx_check_code(ts);
|
|
if(rc < 0){
|
|
printk("hyn check code error.\n");
|
|
return rc;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int hyn_ts_early_suspend(struct tp_device *tp_d)
|
|
{
|
|
struct hyn_ts *ts = container_of(tp_d, struct hyn_ts, tp);
|
|
|
|
#ifdef HYN_GESTURE
|
|
gsl_lcd_flag = 1;
|
|
#endif
|
|
|
|
printk("[CST2XX] Enter %s\n", __func__);
|
|
hyn_ts_suspend(&ts->client->dev);
|
|
return 0;
|
|
}
|
|
|
|
static int hyn_ts_late_resume(struct tp_device *tp_d)
|
|
{
|
|
struct hyn_ts *ts = container_of(tp_d, struct hyn_ts, tp);
|
|
|
|
#ifdef HYN_GESTURE
|
|
gsl_lcd_flag = 0;
|
|
gsl_gesture_flag = 0;
|
|
#endif
|
|
|
|
printk("[CST2XX] Enter %s\n", __func__);
|
|
hyn_ts_resume(&ts->client->dev);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int hyn_ts_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
|
|
int rc;
|
|
struct hyn_ts *ts=NULL;
|
|
struct device_node *np = client->dev.of_node;
|
|
enum of_gpio_flags wake_flags;
|
|
unsigned long irq_flags;
|
|
|
|
printk("cst2xx enter %s\n", __func__);
|
|
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
|
|
dev_err(&client->dev, "hyn I2C functionality not supported\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
ts = devm_kzalloc(&client->dev,sizeof(*ts), GFP_KERNEL);
|
|
//ts = kzalloc(sizeof(*ts), GFP_KERNEL);
|
|
if (!ts)
|
|
return -ENOMEM;
|
|
printk("==kzalloc success=\n");
|
|
|
|
ts->client = client;
|
|
|
|
i2c_set_clientdata(client, ts);
|
|
ts->device_id = id->driver_data;
|
|
|
|
//×¢ÒâÖжϵÄÃû×Ö irq
|
|
ts->irq_pin = of_get_named_gpio_flags(np, "irq-gpio", 0, (enum of_gpio_flags *)&irq_flags);
|
|
ts->rst_pin = of_get_named_gpio_flags(np, "wake-gpio", 0, &wake_flags);
|
|
|
|
if (gpio_is_valid(ts->rst_pin)) {
|
|
rc = devm_gpio_request_one(&client->dev, ts->rst_pin, (wake_flags & OF_GPIO_ACTIVE_LOW) ? GPIOF_OUT_INIT_LOW : GPIOF_OUT_INIT_HIGH, "cst21680 wake pin");
|
|
if (rc != 0) {
|
|
dev_err(&client->dev, "cst21680 wake pin error\n");
|
|
//return -EIO;
|
|
}
|
|
else
|
|
{
|
|
h_wake_pin = ts->rst_pin;
|
|
}
|
|
//msleep(100);
|
|
} else {
|
|
dev_info(&client->dev, "wake pin invalid\n");
|
|
}
|
|
|
|
if (gpio_is_valid(ts->irq_pin)) {
|
|
rc = 0x00;
|
|
//rc = devm_gpio_request_one(&client->dev, ts->irq_pin, IRQF_TRIGGER_RISING, "gslX680 irq pin");
|
|
//printk("huang-GPIOF_OUT_INIT_LOW=%d\n\n",GPIOF_OUT_INIT_LOW);
|
|
// printk("huang-GPIOF_OUT_INIT_LOW=%d\n\n",IRQF_TRIGGER_RISING);
|
|
//rc = request_irq(client->irq,gsl_ts_irq,IRQF_TRIGGER_RISING,client->name,ts);
|
|
//printk("huang-GPIOF_OUT_INIT_LOW=%d\n\n",IRQF_TRIGGER_RISING);
|
|
if (rc != 0) {
|
|
dev_err(&client->dev, "cst21680 irq pin error\n");
|
|
return -EIO;
|
|
}
|
|
} else {
|
|
dev_info(&client->dev, "irq pin invalid\n");
|
|
}
|
|
|
|
|
|
msleep(40); //runing
|
|
|
|
rc = cst2xx_test_i2c(client);
|
|
if (rc < 0) {
|
|
dev_err(&client->dev, "hyn cst2xx test iic error.\n");
|
|
return rc;
|
|
}
|
|
|
|
msleep(20);
|
|
rc = cst2xx_check_code(ts);
|
|
if(rc < 0){
|
|
printk("hyn check code error.\n");
|
|
return rc;
|
|
}
|
|
|
|
rc = cst2xx_ts_init(client, ts);
|
|
if (rc < 0) {
|
|
printk("hyn CST2XX init failed\n");
|
|
goto error_mutex_destroy;
|
|
}
|
|
|
|
ts->irq = gpio_to_irq(ts->irq_pin);
|
|
|
|
printk("cst2xx request ts->irq is :%d\n", ts->irq);
|
|
#if 0
|
|
rc = request_irq(client->irq, hyn_ts_irq, IRQF_TRIGGER_RISING, client->name, ts);
|
|
if (rc < 0) {
|
|
printk( "hyn_probe: request irq failed\n");
|
|
goto error_mutex_destroy;
|
|
}
|
|
#endif
|
|
if(ts->irq)
|
|
{
|
|
rc = devm_request_threaded_irq(&client->dev, ts->irq, NULL, hyn_ts_irq, IRQF_TRIGGER_RISING | IRQF_ONESHOT, client->name, ts);
|
|
if (rc != 0) {
|
|
printk(KERN_ALERT "Cannot allocate ts INT!ERRNO:%d\n", rc);
|
|
goto error_mutex_destroy;
|
|
}
|
|
disable_irq(ts->irq);
|
|
}
|
|
else
|
|
{
|
|
printk("cst21680 irq req fail\n");
|
|
goto error_mutex_destroy;
|
|
}
|
|
|
|
/* create debug attribute */
|
|
//rc = device_create_file(&ts->input->dev, &dev_attr_debug_enable);
|
|
ts->tp.tp_suspend = hyn_ts_early_suspend;
|
|
ts->tp.tp_resume = hyn_ts_late_resume;
|
|
tp_register_fb(&ts->tp);
|
|
|
|
#ifdef CONFIG_HAS_EARLYSUSPEND
|
|
ts->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1;
|
|
//ts->early_suspend.level = EARLY_SUSPEND_LEVEL_DISABLE_FB + 1;
|
|
ts->early_suspend.suspend = hyn_ts_early_suspend;
|
|
ts->early_suspend.resume = hyn_ts_late_resume;
|
|
register_early_suspend(&ts->early_suspend);
|
|
#endif
|
|
|
|
#ifdef HYN_MONITOR
|
|
printk( "hyn_ts_probe () : queue hyn_monitor_workqueue\n");
|
|
|
|
INIT_DELAYED_WORK(&ts->hyn_monitor_work, hyn_monitor_worker);
|
|
hyn_monitor_workqueue = create_singlethread_workqueue("hyn_monitor_workqueue");
|
|
queue_delayed_work(hyn_monitor_workqueue, &ts->hyn_monitor_work, 1000);
|
|
#endif
|
|
|
|
#ifdef ANDROID_TOOL_SURPORT
|
|
cst2xx_proc_fs_init();
|
|
hyn_global_ts=ts;
|
|
#endif
|
|
|
|
#ifdef TPD_PROC_DEBUG
|
|
|
|
hyn_config_proc = create_proc_entry(HYN_CONFIG_PROC_FILE, 0666, NULL);
|
|
printk("[tp-hyn] [%s] hyn_config_proc = %x \n",__func__,hyn_config_proc);
|
|
if (hyn_config_proc == NULL)
|
|
{
|
|
print_info("create_proc_entry %s failed\n", HYN_CONFIG_PROC_FILE);
|
|
}
|
|
else
|
|
{
|
|
hyn_config_proc->read_proc = hyn_config_read_proc;
|
|
hyn_config_proc->write_proc = hyn_config_write_proc;
|
|
}
|
|
#endif
|
|
|
|
enable_irq(ts->irq);
|
|
printk("[CST2XX] End %s\n", __func__);
|
|
return 0;
|
|
|
|
error_mutex_destroy:
|
|
input_free_device(ts->input);
|
|
return rc;
|
|
}
|
|
|
|
static int hyn_ts_remove(struct i2c_client *client)
|
|
{
|
|
struct hyn_ts *ts = i2c_get_clientdata(client);
|
|
printk("==hyn_ts_remove=\n");
|
|
|
|
#ifdef CONFIG_HAS_EARLYSUSPEND
|
|
unregister_early_suspend(&ts->early_suspend);
|
|
#endif
|
|
|
|
#ifdef HYN_MONITOR
|
|
cancel_delayed_work_sync(&ts->hyn_monitor_work);
|
|
destroy_workqueue(hyn_monitor_workqueue);
|
|
#endif
|
|
|
|
device_init_wakeup(&client->dev, 0);
|
|
cancel_work_sync(&ts->work);
|
|
destroy_workqueue(ts->wq);
|
|
input_unregister_device(ts->input);
|
|
//device_remove_file(&ts->input->dev, &dev_attr_debug_enable);
|
|
|
|
//kfree(ts->touch_data);
|
|
return 0;
|
|
}
|
|
|
|
#if 1
|
|
static struct of_device_id hyn_ts_ids[] = {
|
|
{ .compatible = "cst2xx" },
|
|
{ }
|
|
};
|
|
#endif
|
|
|
|
static const struct i2c_device_id hyn_ts_id[] = {
|
|
{CST2XX_I2C_NAME, 0},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(i2c, hyn_ts_id);
|
|
|
|
static struct i2c_driver hyn_ts_driver = {
|
|
.driver = {
|
|
.name = CST2XX_I2C_NAME,
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = of_match_ptr(hyn_ts_ids),
|
|
},
|
|
|
|
#ifndef CONFIG_HAS_EARLYSUSPEND
|
|
// .suspend = hyn_ts_suspend,
|
|
// .resume = hyn_ts_resume,
|
|
#endif
|
|
.probe = hyn_ts_probe,
|
|
.remove = hyn_ts_remove,
|
|
.id_table = hyn_ts_id,
|
|
};
|
|
|
|
static int __init hyn_ts_init(void)
|
|
{
|
|
int ret;
|
|
//printk("==hyn_ts_init==\n");
|
|
ret = i2c_add_driver(&hyn_ts_driver);
|
|
//printk("ret=%d\n",ret);
|
|
return ret;
|
|
}
|
|
static void __exit hyn_ts_exit(void)
|
|
{
|
|
//printk("==hyn_ts_exit==\n");
|
|
i2c_del_driver(&hyn_ts_driver);
|
|
return;
|
|
}
|
|
|
|
module_init(hyn_ts_init);
|
|
module_exit(hyn_ts_exit);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("HYNCST2XX touchscreen controller driver");
|
|
MODULE_AUTHOR("Tim.Tan");
|
|
MODULE_ALIAS("platform:hyn_ts");
|
|
|