/*
* drivers/input/touchscreen/hyn_cst2xx.c
*
* hynitron TouchScreen driver.
*
* Copyright (c) 2015 hynitron
*
* 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.
*
* VERSION DATE AUTHOR
* 1.0 2015-10-12 Tim
*
* note: only support mulititouch
*/
#include <linux/module.h>
#include <linux/delay.h>
//#include <linux/earlysuspend.h>
#include <linux/device.h>
#include <linux/hrtimer.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/async.h>
//#include <mach/iomux.h>
#include <linux/irq.h>
//#include <mach/board.h>
#include <linux/uaccess.h>
#include <linux/workqueue.h>
#include <linux/proc_fs.h>
#include <linux/uaccess.h>
#include <linux/input/mt.h>
#include <linux/gpio.h>
#include <linux/version.h>
#include <linux/slab.h>
#include <linux/of_gpio.h>
#include "../tp_suspend.h"
#define HYN_DEBUG
#if defined (CONFIG_KP_AXP)
extern int axp_gpio_set_value(int gpio, int io_state);
extern int axp_gpio_set_io(int , int );
#if defined(CONFIG_BOARD_TYPE_ZM726CE_V12)
#define PMU_GPIO_NUM 3
#endif
#endif
#if defined(CONFIG_TP_1680E_726_SD)
//#define Y_POL
//#define X_POL
#define SWAP_X_Y
#define SCREEN_MAX_X 1024
#define SCREEN_MAX_Y 600
//#include "CST21680_F_WGJ10276.h"
#else
#define Y_POL
//#define X_POL
#define SWAP_X_Y
#define SCREEN_MAX_X 1280
#define SCREEN_MAX_Y 800
#include "CST21680SE_S126_D863_7.h"
#endif
#define ICS_SLOT_REPORT
//#define HAVE_TOUCH_KEY
#define SLEEP_CLEAR_POINT
#define CST2XX_I2C_NAME "cst2xxse"
#define CST2XX_I2C_ADDR 0x5A
//#define IRQ_PORT RK2928_PIN1_PB0//RK30_PIN1_PB7
//#define WAKE_PORT RK30_PIN0_PA1//RK30_PIN0_PB6
//#define TPD_PROC_DEBUG
#ifdef TPD_PROC_DEBUG
#include <linux/proc_fs.h>
#include <linux/uaccess.h>
//static struct proc_dir_entry *hyn_config_proc = NULL;
#define HYN_CONFIG_PROC_FILE "hyn_config"
#define CONFIG_LEN 31
//static char hyn_read[CONFIG_LEN];
static u8 hyn_data_proc[8] = {0};
static u8 hyn_proc_flag = 0;
//static struct i2c_client *ts->client = NULL;
#endif
#define TRANSACTION_LENGTH_LIMITED
//#define HYN_MONITOR
#define PRESS_MAX 255
#define MAX_FINGERS 5
#define MAX_CONTACTS 10
#define DMA_TRANS_LEN 0x20
#ifdef HYN_MONITOR
static struct workqueue_struct *hyn_monitor_workqueue = NULL;
static u8 int_1st[4] = {0};
static u8 int_2nd[4] = {0};
//static char dac_counter = 0;
static char b0_counter = 0;
static char bc_counter = 0;
static char i2c_lock_flag = 0;
#endif
//#define HYN_GESTURE // if define enable this function
#ifdef HYN_GESTURE
extern void rk_send_wakeup_key(void);
static int gsl_lcd_flag = -1;
static int gsl_gesture_flag = -1;
#endif
#ifdef HAVE_TOUCH_KEY
static u16 key = 0;
static int key_state_flag = 0;
struct key_data {
u16 key;
u16 x_min;
u16 x_max;
u16 y_min;
u16 y_max;
};
static const u16 key_array[] = {
KEY_BACK,
KEY_HOME,
KEY_MENU,
KEY_SEARCH,
};
#define MAX_KEY_NUM (sizeof(key_array)/sizeof(key_array[0]))
struct key_data hyn_key_data[MAX_KEY_NUM] = {
{KEY_BACK, 2048, 2048, 2048, 2048},
{KEY_HOME, 2048, 2048, 2048, 2048},
{KEY_MENU, 2048, 2048, 2048, 2048},
{KEY_SEARCH, 2048, 2048, 2048, 2048},
};
#endif
struct hyn_ts {
struct i2c_client *client;
struct input_dev *input;
struct work_struct work;
struct workqueue_struct *wq;
struct hyn_ts_data *dd;
u8 *touch_data;
u8 device_id;
int irq;
int rst_pin;
int irq_pin;
struct delayed_work hyn_monitor_work;
#if defined(CONFIG_HAS_EARLYSUSPEND)
struct early_suspend early_suspend;
#endif
struct tp_device tp;
};
int h_wake_pin = 0;
#ifdef HYN_DEBUG
#define print_info(fmt, args...) \
do{ \
printk(fmt, ##args); \
}while(0)
#else
#define print_info(fmt, args...)
#endif
#define ANDROID_TOOL_SURPORT
#ifdef ANDROID_TOOL_SURPORT
static int cst2xx_update_firmware(struct i2c_client * client, struct hyn_ts *ts,
unsigned char *pdata, int data_len);
static unsigned short g_unnormal_mode = 0;
static unsigned short g_cst2xx_tx = 15;
static unsigned short g_cst2xx_rx = 10;
static struct hyn_ts *hyn_global_ts=NULL;
#endif
static int cst2xx_i2c_read(struct i2c_client *client, unsigned char *buf, int len)
{
int ret = -1;
int retries = 0;
//client->timing = 370;
//client->addr |= I2C_ENEXT_FLAG;
while(retries < 2) {
ret = i2c_master_recv(client, buf, len);
if(ret<=0)
retries++;
else
break;
}
return ret;
}
static int cst2xx_i2c_write(struct i2c_client *client, unsigned char *buf, int len)
{
int ret = -1;
int retries = 0;
while(retries < 2) {
ret = i2c_master_send(client, buf, len);
if(ret<=0)
retries++;
else
break;
}
return ret;
}
static int cst2xx_i2c_read_register(struct i2c_client *client, unsigned char *buf, int len)
{
int ret = -1;
ret = cst2xx_i2c_write(client, buf, 2);
ret = cst2xx_i2c_read(client, buf, len);
return ret;
}
static int cst2xx_test_i2c(struct i2c_client *client)
{
u8 retry = 0;
u8 ret;
u8 buf[4];
buf[0] = 0xD0;
buf[1] = 0x00;
while(retry++ < 5) {
ret = cst2xx_i2c_write(client, buf, 2);
if (ret > 0)
return ret;
msleep(2);
}
if(retry==5) printk("hyn iic test error.ret:%d.\n", ret);
return ret;
}
static void hard_reset_chip(struct hyn_ts *ts, u16 ms)
{
int ret=0;
int retry=0;
unsigned char buf[4];
buf[0] = 0xD1;
buf[1] = 0x0e;
while(retry++ < 3) {
ret = cst2xx_i2c_write(ts->client, buf, 2);
if (ret > 0) break;
msleep(2);
}
msleep(ms);
}
#ifdef TPD_PROC_DEBUG
static int char_to_int(char ch)
{
if(ch>='0' && ch<='9')
return (ch-'0');
else
return (ch-'a'+10);
}
#endif
#define CST2XX_BASE_ADDR (0x00000000)
static int cst2xx_enter_download_mode(struct hyn_ts *ts)
{
int ret;
int i;
unsigned char buf[3];
hard_reset_chip(ts, 5);
for(i=0; i<30; i++)
{
buf[0] = 0xA0;
buf[1] = 0x01;
buf[2] = 0xAA;
ret = cst2xx_i2c_write(ts->client, buf, 3);
if (ret < 0)
{
msleep(1);
continue;
}
msleep(6); //wait enter download mode
buf[0] = 0xA0;
buf[1] = 0x03; //check whether into program mode
ret = cst2xx_i2c_read_register(ts->client, buf, 1);
if(ret < 0)
{
msleep(1);
continue;
}
if (buf[0] == 0x55)
{
break;
}
}
if(buf[0] != 0x55)
{
printk("hyn reciev 0x55 failed.\n");
return -1;
}
else
{
buf[0] = 0xA0;
buf[1] = 0x06;
buf[2] = 0x00;
ret = cst2xx_i2c_write(ts->client, buf, 3);
}
return 0;
}
static int cst2xx_download_program(unsigned char *pdata, int len, struct hyn_ts *ts)
{
int i, ret, j,retry;
unsigned char *i2c_buf;
unsigned char temp_buf[8];
unsigned short eep_addr, iic_addr;
int total_kbyte;
i2c_buf = kmalloc(sizeof(unsigned char)*(512 + 2), GFP_KERNEL);
if (i2c_buf == NULL)
{
return -1;
}
//make sure fwbin len is N*1K
total_kbyte = len / 512;
for (i=0; i<total_kbyte; i++) {
i2c_buf[0] = 0xA0;
i2c_buf[1] = 0x14;
eep_addr = i << 9; //i * 512
i2c_buf[2] = eep_addr;
i2c_buf[3] = eep_addr>>8;
ret = cst2xx_i2c_write(ts->client, i2c_buf, 4);
if (ret < 0)
goto error_out;
#if 0
i2c_buf[0] = 0xA0;
i2c_buf[1] = 0x18;
memcpy(i2c_buf + 2, pdata + eep_addr, 512);
ret = cst2xx_i2c_write(ts->client, i2c_buf, 514);
if (ret < 0)
goto error_out;
#else
memcpy(i2c_buf, pdata + eep_addr, 512);
for(j=0; j<128; j++) {
iic_addr = (j<<2);
temp_buf[0] = (iic_addr+0xA018)>>8;
temp_buf[1] = (iic_addr+0xA018)&0xFF;
temp_buf[2] = i2c_buf[iic_addr+0];
temp_buf[3] = i2c_buf[iic_addr+1];
temp_buf[4] = i2c_buf[iic_addr+2];
temp_buf[5] = i2c_buf[iic_addr+3];
ret = cst2xx_i2c_write(ts->client, temp_buf, 6);
if (ret < 0)
goto error_out;
}
#endif
i2c_buf[0] = 0xA0;
i2c_buf[1] = 0x04;
i2c_buf[2] = 0xEE;
ret = cst2xx_i2c_write(ts->client, i2c_buf, 3);
if (ret < 0)
goto error_out;
msleep(600);
for(retry=0;retry<10;retry++)
{
i2c_buf[0] = 0xA0;
i2c_buf[1] = 0x05;
ret = cst2xx_i2c_read_register(ts->client, i2c_buf, 1);
if (ret < 0){
msleep(100);
continue;
}
else
{
if (i2c_buf[0] != 0x55){
msleep(100);
continue;
}else{
break;
}
}
}
if(retry==10)
{
goto error_out;
}
}
i2c_buf[0] = 0xA0;
i2c_buf[1] = 0x01;
i2c_buf[2] = 0x00;
ret = cst2xx_i2c_write(ts->client, i2c_buf, 3);
if (ret < 0)
goto error_out;
i2c_buf[0] = 0xA0;
i2c_buf[1] = 0x03;
i2c_buf[2] = 0x00;
ret = cst2xx_i2c_write(ts->client, i2c_buf, 3);
if (i2c_buf != NULL) {
kfree(i2c_buf);
i2c_buf = NULL;
}
return 0;
error_out:
if (i2c_buf != NULL) {
kfree(i2c_buf);
i2c_buf = NULL;
}
return -1;
}
static int cst2xx_read_checksum(struct hyn_ts *ts)
{
int ret;
int i;
unsigned int checksum;
unsigned int bin_checksum;
unsigned char buf[4];
const unsigned char *pData;
for(i=0; i<10; i++)
{
buf[0] = 0xA0;
buf[1] = 0x00;
ret = cst2xx_i2c_read_register(ts->client, buf, 1);
if(ret < 0)
{
msleep(2);
continue;
}
if(buf[0]!=0)
break;
else
msleep(2);
}
msleep(4);
if(buf[0]==0x01)
{
buf[0] = 0xA0;
buf[1] = 0x08;
ret = cst2xx_i2c_read_register(ts->client, buf, 4);
if(ret < 0) return -1;
//handle read data --> checksum
checksum = buf[0] + (buf[1]<<8) + (buf[2]<<16) + (buf[3]<<24);
pData=(unsigned char *)fwbin +7680-4; //7*1024 +512
bin_checksum = pData[0] + (pData[1]<<8) + (pData[2]<<16) + (pData[3]<<24);
printk("hyn checksum ic:0x%x. bin:0x%x------\n", checksum, bin_checksum);
if(checksum!=bin_checksum)
{
printk("hyn check sum error.\n");
return -1;
}
}
else
{
printk("hyn No checksum. buf[0]:%d.\n", buf[0]);
return -1;
}
return 0;
}
static int cst2xx_update_firmware(struct i2c_client * client, struct hyn_ts *ts,
unsigned char *pdata, int data_len)
{
int ret;
int retry;
unsigned char buf[4];
retry = 0;
start_flow:
printk("hyn enter the update firmware.\n");
disable_irq(ts->irq);
msleep(20);
ret = cst2xx_enter_download_mode(ts);
if (ret < 0)
{
printk("hyn enter download mode failed.\n");
goto fail_retry;
}
ret = cst2xx_download_program(pdata, data_len,ts);
if (ret < 0)
{
printk("hyn download program failed.\n");
goto fail_retry;
}
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");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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