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Diffstat (limited to 'ANDROID_3.4.5/drivers/input/touchscreen/zet6221_ts/wmt_ts.c')
-rwxr-xr-xANDROID_3.4.5/drivers/input/touchscreen/zet6221_ts/wmt_ts.c833
1 files changed, 0 insertions, 833 deletions
diff --git a/ANDROID_3.4.5/drivers/input/touchscreen/zet6221_ts/wmt_ts.c b/ANDROID_3.4.5/drivers/input/touchscreen/zet6221_ts/wmt_ts.c
deleted file mode 100755
index bfc65e7f..00000000
--- a/ANDROID_3.4.5/drivers/input/touchscreen/zet6221_ts/wmt_ts.c
+++ /dev/null
@@ -1,833 +0,0 @@
-#include <linux/unistd.h>
-#include <linux/time.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-//#include <asm/semaphore.h>
-#include <linux/proc_fs.h>
-#include <linux/completion.h>
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/interrupt.h>
-#include <linux/suspend.h>
-#include <linux/input.h>
-#include <linux/types.h>
-#include <linux/platform_device.h>
-#include <mach/hardware.h>
-#include <linux/i2c.h>
-#include <linux/irq.h>
-#include <linux/firmware.h>
-
-#include <asm/uaccess.h>
-#include <linux/fs.h>
-#include <linux/syscalls.h>
-
-#include "wmt_ts.h"
-#include "zet6221_ts.h"
-
-/////////////////////////////////////////////////////////////////
-
-// commands for ui
-#define TS_IOC_MAGIC 't'
-
-#define TS_IOCTL_CAL_START _IO(TS_IOC_MAGIC, 1)
-#define TS_IOCTL_CAL_DONE _IOW(TS_IOC_MAGIC, 2, int*)
-#define TS_IOCTL_GET_RAWDATA _IOR(TS_IOC_MAGIC, 3, int*)
-#define TS_IOCTL_CAL_QUIT _IOW(TS_IOC_MAGIC, 4, int*)
-#define TS_IOCTL_AUTO_CALIBRATION _IOW(TS_IOC_MAGIC, 5, int*)
-#define TS_IOC_MAXNR 5
-
-#define TP_INFOR_ARRAY_SIZE (sizeof(l_tpinfor)/sizeof(l_tpinfor[1]))
-//
-#define TS_MAJOR 11
-#define TS_DRIVER_NAME "wmtts_touch"
-#define TS_NAME "wmtts"
-#define WMTTS_PROC_NAME "wmtts_config"
-
-#define EXT_GPIO0 0
-#define EXT_GPIO1 1
-#define EXT_GPIO2 2
-#define EXT_GPIO3 3
-#define EXT_GPIO4 4
-#define EXT_GPIO5 5
-#define EXT_GPIO6 6
-#define EXT_GPIO7 7
-
-
-
-typedef struct {
- int a1;
- int b1;
- int c1;
- int a2;
- int b2;
- int c2;
- int delta;
-}CALIBRATION_PARAMETER, *PCALIBRATION_PARAMETER;
-
-
-static int irq_gpio;
-static int rst_gpio;
-static int panelres_x;
-static int panelres_y;
-static int s_download_option;
-static int s_high_Impendence_mode;
-static int lcd_exchg = 0;
-
-
-static DECLARE_WAIT_QUEUE_HEAD(queue);
-static DECLARE_WAIT_QUEUE_HEAD(ts_penup_wait_queue);
-
-extern struct wmtts_device zet6221_tsdev;
-static struct wmtts_device* l_tsdev = &zet6221_tsdev;
-struct proc_dir_entry* l_tsproc = NULL;
-static struct i2c_client *l_client=NULL;
-static int l_penup = 1; // 1-pen up,0-pen down
-int earlysus_en = 0;
-
-struct tp_infor
-{
- //enum tp_type type;
- char name[64];
- //unsigned int i2caddr;
- unsigned int xaxis; //0: x,1: x swap with y
- unsigned int xdir; // 1: positive,-1: revert
- unsigned int ydir; // 1: positive,-1: revert
- unsigned int max_finger_num;
-};
-
-static int l_tpindex = -1;
-static struct tp_infor l_tpinfor[1];
-
-/////////////////////////////////////////////////////
-// function declare
-/////////////////////////////////////////////////////
-extern int wmt_getsyspara(char *varname, unsigned char *varval, int *varlen);
-extern int wmt_setsyspara(char *varname, unsigned char *varval);
-static int ts_writeproc( struct file *file,
- const char *buffer,
- unsigned long count,
- void *data );
-static int ts_readproc(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-///////////////////////////////////////////////////////////////////////
-
-void wmt_ts_get_firmwname(char* firmname)
-{
- int offset = 0;
- offset = strlen(l_tsdev->ts_id);
- switch(ic_model){
- case ZET6223:
- l_tpinfor[l_tpindex].name[offset] = '2';
- l_tpinfor[l_tpindex].name[offset+1] = '3';
- break;
- case ZET6231:
- l_tpinfor[l_tpindex].name[offset] = '3';
- l_tpinfor[l_tpindex].name[offset+1] = '1';
- break;
- case ZET6251:
- l_tpinfor[l_tpindex].name[offset] = '5';
- l_tpinfor[l_tpindex].name[offset+1] = '1';
- break;
- case ZET6221:
- default:
- l_tpinfor[l_tpindex].name[offset] = '2';
- l_tpinfor[l_tpindex].name[offset+1] = '1';
- break;
- }
- sprintf(firmname,"%s_fw.bin",l_tpinfor[l_tpindex].name);
-}
-
-unsigned int wmt_ts_get_xaxis(void)
-{
- return l_tpinfor[l_tpindex].xaxis;
-}
-
-unsigned int wmt_ts_get_xdir(void)
-{
- return l_tpinfor[l_tpindex].xdir;
-}
-
-unsigned int wmt_ts_get_ydir(void)
-{
- return l_tpinfor[l_tpindex].ydir;
-}
-
-unsigned int wmt_ts_get_maxfingernum(void)
-{
- return l_tpinfor[l_tpindex].max_finger_num;
-}
-
-
-int wmt_ts_load_firmware(char* firmwarename, unsigned char** firmdata, int* fwlen)
-{
- const struct firmware *fw_entry;
- if(request_firmware(&fw_entry, firmwarename, &l_client->dev)!=0) {
- printk(KERN_ERR "cat't request firmware\n");
- return -1;
- }
- if (fw_entry->size <= 0) {
- printk(KERN_ERR "load firmware error\n");
- release_firmware(fw_entry);
- return -1;
- }
-
- //*firmdata = kzalloc(fw_entry->size + 1, GFP_KERNEL);
- memcpy(*firmdata, fw_entry->data, fw_entry->size);
- *fwlen = fw_entry->size;
- release_firmware(fw_entry);
-
- return 0;
-}
-
-
-
- int wmt_ts_get_gpionum(void)
-{
- return irq_gpio;
-}
-
-int wmt_ts_get_resetgpnum(void)
-{
- return rst_gpio;
-}
-
-int wmt_ts_get_lcdexchg(void)
-{
- return lcd_exchg;
-}
-
-int wmt_ts_get_resolvX(void)
-{
- return panelres_x;
-}
-
-int wmt_ts_get_resolvY(void)
-{
- return panelres_y;
-}
-
-//up:1-pen up,0-pen down
-void wmt_ts_set_penup(int up)
-{
- l_penup = up;
-}
-
-//
-int wmt_ts_wait_penup(void)
-{
- int ret = wait_event_interruptible(
- ts_penup_wait_queue,
- (1==l_penup));
- return ret;
-}
-
-// return:1-pen up,0-pen dwon
-int wmt_ts_ispenup(void)
-{
- return l_penup;
-}
-
-
-void wmt_ts_wakeup_penup(void)
-{
- wake_up(&ts_penup_wait_queue);
-}
-
-int wmt_is_tsirq_enable(void)
-{
- int val = 0;
- int num = irq_gpio;
-
- if(num > 11)
- return 0;
-
- if(num<4)
- val = REG32_VAL(__GPIO_BASE+0x0300) & (1<<(num*8+7));
- else if(num >= 4 && num < 8)
- val = REG32_VAL(__GPIO_BASE+0x0304) & (1<<((num-4)*8+7));
- else
- val = REG32_VAL(__GPIO_BASE+0x0308) & (1<<((num-8)*8+7));
-
- return val?1:0;
-
-}
-
-int wmt_is_tsint(void)
-{
- int num = irq_gpio;
-
- if (num > 11)
- {
- return 0;
- }
- return (REG32_VAL(__GPIO_BASE+0x0360) & (1<<num)) ? 1: 0;
-}
-
-void wmt_clr_int(void)
-{
- int num = irq_gpio;
-
- if (num > 11)
- {
- return;
- }
- REG32_VAL(__GPIO_BASE+0x0360) = 1<<num;
-}
-
-void wmt_tsreset_init(void)
-{
- int num = rst_gpio;
-
- REG32_VAL(__GPIO_BASE+0x0040) |= (1<<num);//&= ~(1<<num); //enable gpio
- REG32_VAL(__GPIO_BASE+0x00C0) &= ~(1<<num); // out low
- REG32_VAL(__GPIO_BASE+0x0080) |= (1<<num); //output enable
- msleep(10);
- REG32_VAL(__GPIO_BASE+0x00C0) |= (1<<num); // out high
-}
-
-// enable:0-disable,1-enable
-void wmt_enable_rst_pull(int enable)
-{
- if (enable)
- {
- REG32_VAL(__GPIO_BASE+0x0480) |= (1<<rst_gpio); //enable pull up/down
- } else {
- REG32_VAL(__GPIO_BASE+0x0480) &= ~(1<<rst_gpio); //disable pull up/down
- }
-}
-
-// up:0-pull down,1-pull up
-void wmt_set_rst_pull(int up)
-{
- if (up)
- {
- REG32_VAL(__GPIO_BASE+0x04c0) |= (1<<rst_gpio); //pull up
- } else {
- REG32_VAL(__GPIO_BASE+0x04c0) &= ~(1<<rst_gpio); //pull down
- }
-}
-
-// high:0-low level,1-high level
-void wmt_rst_output(int high)
-{
- REG32_VAL(__GPIO_BASE+0x0040) |= (1<<rst_gpio); //enable gpio
- if (high)
- {
- REG32_VAL(__GPIO_BASE+0x00C0) |= (1<<rst_gpio); // high
- } else {
- REG32_VAL(__GPIO_BASE+0x00C0) &= ~(1<<rst_gpio); // low
- }
- REG32_VAL(__GPIO_BASE+0x0080) |= (1<<rst_gpio); //set output
-}
-
-void wmt_rst_input(void)
-{
- REG32_VAL(__GPIO_BASE+0x0040) |= (1<<rst_gpio); //enable gpio
- REG32_VAL(__GPIO_BASE+0x0080) &= ~(1<<rst_gpio); //set input
-}
-
-void wmt_set_intasgp(void)
-{
- REG32_VAL(__GPIO_BASE+0x0040) |= (1<<irq_gpio); //enable gpio
-}
-
-// val:1--high,0-low
-void wmt_intgp_out(int val)
-{
- if (val)
- {
- REG32_VAL(__GPIO_BASE+0x00C0) |= (1<<irq_gpio); // high
- } else {
- REG32_VAL(__GPIO_BASE+0x00C0) &= ~(1<<irq_gpio); // low
- }
- REG32_VAL(__GPIO_BASE+0x0080) |= (1<<irq_gpio); //set output
-}
-
-void wmt_ts_set_irqinput(void)
-{
- int num = irq_gpio;
-
- REG32_VAL(__GPIO_BASE+0x0040) |= (1<<num); //enable gpio
- REG32_VAL(__GPIO_BASE+0x0080) &= ~(1<<num); //set input
-}
-
-unsigned int wmt_ts_irqinval(void)
-{
- return REG32_VAL(__GPIO_BASE+0x0000)&(1<<irq_gpio);
-}
-
-int wmt_set_gpirq(int type)
-{
- int shift;
- int offset;
- unsigned long reg;
- int num = irq_gpio;
-
- if(num >11)
- return -1;
- //if (num > 9)
- //GPIO_PIN_SHARING_SEL_4BYTE_VAL &= ~BIT4; // gpio10,11 as gpio
- REG32_VAL(__GPIO_BASE+0x0040) &= ~(1<<num);//|=(1<<num);// //enable gpio
- REG32_VAL(__GPIO_BASE+0x0080) &= ~(1<<num); //set input
- REG32_VAL(__GPIO_BASE+0x04c0) |= (1<<num); //pull down
- REG32_VAL(__GPIO_BASE+0x0480) &= ~(1<<num); //enable pull up/down
-
- //set gpio irq triger type
- if(num < 4){//[0,3]
- shift = num;
- offset = 0x0300;
- }else if(num >= 4 && num < 8){//[4,7]
- shift = num-4;
- offset = 0x0304;
- }else{// [8,11]
- shift = num-8;
- offset = 0x0308;
- }
-
- reg = REG32_VAL(__GPIO_BASE + offset);
-
- switch(type){
- case IRQ_TYPE_LEVEL_LOW:
- reg &= ~(1<<(shift*8+2));
- reg &= ~(1<<(shift*8+1));
- reg &= ~(1<<(shift*8));
- break;
- case IRQ_TYPE_LEVEL_HIGH:
- reg &= ~(1<<(shift*8+2));
- reg &= ~(1<<(shift*8+1));
- reg |= (1<<(shift*8));
- break;
- case IRQ_TYPE_EDGE_FALLING:
- reg &= ~(1<<(shift*8+2));
- reg |= (1<<(shift*8+1));
- reg &= ~(1<<(shift*8));
- break;
- case IRQ_TYPE_EDGE_RISING:
- reg &= ~(1<<(shift*8+2));
- reg |= (1<<(shift*8+1));
- reg |= (1<<(shift*8));
- break;
- default://both edge
- reg |= (1<<(shift*8+2));
- reg &= ~(1<<(shift*8+1));
- reg &= ~(1<<(shift*8));
- break;
-
- }
- //reg |= 1<<(shift*8+7);//enable interrupt
- reg &= ~(1<<(shift*8+7)); //disable int
-
- REG32_VAL(__GPIO_BASE + offset) = reg;
- REG32_VAL(__GPIO_BASE+0x0360) = 1<<num; //clear interrupt status
- msleep(5);
- return 0;
-}
-
-int wmt_enable_gpirq(void)
-{
- int num = irq_gpio;
-
- if(num > 11)
- return -1;
-
- if(num<4)
- REG32_VAL(__GPIO_BASE+0x0300) |= 1<<(num*8+7); //enable interrupt
- else if(num >= 4 && num < 8)
- REG32_VAL(__GPIO_BASE+0x0304) |= 1<<((num-4)*8+7); //enable interrupt
- else
- REG32_VAL(__GPIO_BASE+0x0308) |= 1<<((num-8)*8+7); //enable interrupt
-
- return 0;
-}
-
-int wmt_disable_gpirq(void)
-{
- int num = irq_gpio;
-
- if(num > 11)
- return -1;
-
- if(num<4)
- REG32_VAL(__GPIO_BASE+0x0300) &= ~(1<<(num*8+7)); //enable interrupt
- else if(num >= 4 && num < 8)
- REG32_VAL(__GPIO_BASE+0x0304) &= ~(1<<((num-4)*8+7)); //enable interrupt
- else
- REG32_VAL(__GPIO_BASE+0x0308) &= ~(1<<((num-8)*8+7)); //enable interrupt
-
- return 0;
-}
-
-
-int wmt_get_tsirqnum(void)
-{
- return IRQ_GPIO;
-}
-
-static void wmt_ts_platform_release(struct device *device)
-{
- return;
-}
-
-static struct platform_device wmt_ts_plt_device = {
- .name = TS_DRIVER_NAME,
- .id = 0,
- .dev = {
- .release = wmt_ts_platform_release,
- },
-// .num_resources = ARRAY_SIZE(wm9715_ts_resources),
-// .resource = wm9715_ts_resources,
-};
-
-static int wmt_ts_suspend(struct platform_device *pdev, pm_message_t state)
-{
- dbg("ts suspend....\n");
- return l_tsdev->suspend(pdev, state);
-}
-static int wmt_ts_resume(struct platform_device *pdev)
-{
- dbg("ts resume....\n");
- return l_tsdev->resume(pdev);
-}
-
-static int wmt_ts_probe(struct platform_device *pdev)
-{
- l_tsproc= create_proc_entry(WMTTS_PROC_NAME, 0666, NULL/*&proc_root*/);
- if (l_tsproc != NULL)
- {
- l_tsproc->read_proc = ts_readproc;
- l_tsproc->write_proc = ts_writeproc;
- }
-
- if (l_tsdev->probe != NULL)
- return l_tsdev->probe(pdev);
- else
- return 0;
-}
-
-static int wmt_ts_remove(struct platform_device *pdev)
-{
- if (l_tsproc != NULL)
- {
- remove_proc_entry(WMTTS_PROC_NAME, NULL);
- l_tsproc = NULL;
- }
-
- if (l_tsdev->remove != NULL)
- return l_tsdev->remove(pdev);
- else
- return 0;
-}
-
-static struct platform_driver wmt_ts_plt_driver = {
- .driver = {
- .name = TS_DRIVER_NAME,
- .owner = THIS_MODULE,
- },
- .probe = wmt_ts_probe,
- .remove = wmt_ts_remove,
- .suspend = wmt_ts_suspend,
- .resume = wmt_ts_resume,
-};
-
-static int ts_writeproc( struct file *file,
- const char *buffer,
- unsigned long count,
- void *data )
-{
- int calibrate = 0;
- int val = 0;
-
- if (sscanf(buffer, "calibrate=%d\n", &calibrate))
- {
- if (1 == calibrate)
- {
- if((l_tsdev->capacitance_calibrate != NULL) &&
- (0 == l_tsdev->capacitance_calibrate()))
- {
- printk(KERN_ALERT "%s calibration successfully!\n", l_tsdev->ts_id);
- } else {
- printk(KERN_ALERT "%s calibration failed!\n", l_tsdev->ts_id);
- }
- }
- } else if (sscanf(buffer, "reset=%d\n", &val))
- {
-
- }
- return count;
-}
-
-static int ts_readproc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- int len = 0;
-
- len = sprintf(page,
- "echo calibrate=1 > /proc/wmtts_config to calibrate ts.\n");
- return len;
-}
-
-
-int is_high_impendence_mode(void)
-{
- return s_high_Impendence_mode;
-}
-
-int get_download_option(void)
-{
- return s_download_option;
-}
-
-
-static int wmt_check_touch_env(void)
-{
- int ret = 0;
- int len = 96, i = 0;
- char retval[200] = {0},*p=NULL,*s=NULL;
- int Enable=0;
- int val,val1;
-
- // Get u-boot parameter
- ret = wmt_getsyspara("wmt.io.touch", retval, &len);
- if(ret){
- errlog("Read wmt.io.touch Failed.\n");
- return -EIO;
- }
- memset(l_tpinfor,0,sizeof(l_tpinfor[0]));
-
- p = retval;
- sscanf(p,"%d:", &Enable);
- p = strchr(p,':');p++;
- s = strchr(p,':');
- strncpy(l_tpinfor[0].name,p, (s-p));
- p = s+1;
- dbg("ts_name=%s\n", l_tpinfor[0].name);
-
- ret = sscanf(p,"%d:%d:%d:%d:%d:%d:%d:%d:%d:%d",
- &irq_gpio,&panelres_x,&panelres_y,&rst_gpio,
- &(l_tpinfor[0].xaxis),&(l_tpinfor[0].xdir),&(l_tpinfor[0].ydir),
- &(l_tpinfor[0].max_finger_num),&s_high_Impendence_mode,&s_download_option);
-
- if (ret < 8)
- {
- dbg("Wrong format ts u-boot param(%d)!\nwmt.io.touch=%s\n",ret,retval);
- return -ENODEV;
- }
-
- //check touch enable
- if(Enable == 0){
- errlog("Touch Screen Is Disabled.\n");
- return -ENODEV;
- }
-
-
- /*p = strchr(retval,':');
- p++;
- if(strncmp(p, l_tsdev->ts_id,strlen(l_tsdev->ts_id))){//check touch ID
- //errlog(" %s!=====\n", l_tsdev->ts_id);
- return -ENODEV;
- }*/
-
- //sscanf(p,"%s:", );
- if (strstr(l_tpinfor[0].name, l_tsdev->ts_id) == NULL)
- {
- errlog("Can't find %s%s!\n", l_tsdev->ts_id,"xx");
- return -ENODEV;
- }
- l_tpindex = 0;
-
-/*
- p = strchr(p,':');
- p++;
- sscanf(p,"%d:%d:%d:%d",&irq_gpio,&panelres_x,&panelres_y,&rst_gpio);
-
- */
- klog("p.x = %d, p.y = %d, gpio=%d, resetgpio=%d,xaxis=%d,xdir=%d,ydri=%d,maxfingernum=%d,high_Impendence_mode=%d,s_download_option=%d\n",
- panelres_x, panelres_y, irq_gpio, rst_gpio,
- l_tpinfor[0].xaxis,l_tpinfor[0].xdir,l_tpinfor[0].ydir,
- l_tpinfor[0].max_finger_num,s_high_Impendence_mode,s_download_option);
-
- // parse touch key param
- memset(retval,0,sizeof(retval));
- ret = wmt_getsyspara("wmt.io.tskeyindex", retval, &len);
- if(ret){
- dbg("no touch key!\n");
- //return -EIO;
- } else {
- p = retval;
- // the number of touch key
- sscanf(retval,"%d:", &val);
- dbg("tskey num:%d\n",val);
- p = strchr(p,':');
- p++;
- // touch key range
- for (i=0;i<val;i++)
- {
- sscanf(p,"%d:",&val1);
- p = strchr(p,':');
- p++;
- zet6221_set_tskey(i, val1);
- dbg("key%d:(%d)\n",i,val1);
- };
- }
-
- memset(retval,0,sizeof(retval));
- ret = wmt_getsyspara("wmt.touch.earlysus", retval, &len);
- if(!ret) {
- p = retval;
- sscanf(p, "%d", &earlysus_en);
- }
-
-
- memset(retval,0,sizeof(retval));
- ret = wmt_getsyspara("wmt.display.fb0", retval, &len);
- if (!ret) {
- int tmp[6];
- p = retval;
- sscanf(p, "%d:[%d:%d:%d:%d:%d", &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]);
- if (tmp[4] > tmp[5])
- lcd_exchg = 1;
- }
-
-/* memset(retval,0,sizeof(retval));
- ret = wmt_getsyspara("wmt.io.ts.2dcal", retval, &len);
- if(ret){
- errlog("Read env wmt.io.ts.2dcal Failed.\n ");
- //return -EIO;
- }
- i = 0;
- while(i < sizeof(retval)){
- if(retval[i]==' ' || retval[i]==',' || retval[i]==':')
- retval[i] = '\0';
- i++;
- }
-
- i = 0;
- p = retval;
- while(i<7 && p < (retval + sizeof(retval))){
- if(*p == '\0')
- p++;
- else{
- sscanf(p,"%d",&nBuff[i]);
- //printk("%d\n",nBuff[i]);
- p=p+strlen(p);
- i++;
- }
- }
- //sscanf(retval,"%d %d %d %d %d %d %d %d",&nBuff[0],&nBuff[1],&nBuff[2],&nBuff[3],&nBuff[4],&nBuff[5],&nBuff[6]);
- dbg("Tsc calibrate init data: [%d %d %d %d %d %d %d]\n",nBuff[0],nBuff[1],nBuff[2],nBuff[3],nBuff[4],nBuff[5],nBuff[6]);
-
- g_CalcParam.a1 = nBuff[0];
- g_CalcParam.b1 = nBuff[1];
- g_CalcParam.c1 = nBuff[2];
- g_CalcParam.a2 = nBuff[3];
- g_CalcParam.b2 = nBuff[4];
- g_CalcParam.c2 = nBuff[5];
- g_CalcParam.delta = nBuff[6];
-
- if(g_CalcParam.delta == 0)
- g_CalcParam.delta =1;//avoid divide by zero
-*/
- return 0;
-}
-
-struct i2c_board_info ts_i2c_board_info = {
- .type = WMT_TS_I2C_NAME,
- .flags = 0x00,
- .addr = WMT_TS_I2C_ADDR,
- .platform_data = NULL,
- .archdata = NULL,
- .irq = -1,
-};
-
-static int ts_i2c_register_device (void)
-{
- struct i2c_board_info *ts_i2c_bi;
- struct i2c_adapter *adapter = NULL;
- //struct i2c_client *client = NULL;
- ts_i2c_bi = &ts_i2c_board_info;
- adapter = i2c_get_adapter(1);/*in bus 1*/
-
- if (NULL == adapter) {
- printk("can not get i2c adapter, client address error\n");
- return -1;
- }
- l_client = i2c_new_device(adapter, ts_i2c_bi);
- if (l_client == NULL) {
- printk("allocate i2c client failed\n");
- return -1;
- }
- i2c_put_adapter(adapter);
- return 0;
-}
-
-static void ts_i2c_unregister_device(void)
-{
- if (l_client != NULL)
- {
- i2c_unregister_device(l_client);
- l_client = NULL;
- }
-}
-
-struct i2c_client* ts_get_i2c_client(void)
-{
- return l_client;
-}
-
-static int __init wmt_ts_init(void)
-{
- int ret = 0;
-
- if(wmt_check_touch_env())
- return -ENODEV;
-
- //ts_i2c_board_info.addr = l_tpinfor[l_tpindex].i2caddr;
- if (ts_i2c_register_device()<0)
- {
- dbg("Error to run ts_i2c_register_device()!\n");
- return -1;
- }
-
- if (l_tsdev->init() < 0){
- dbg("Errors to init %s ts IC!!!\n", l_tsdev->ts_id);
- ret = -1;
- goto err_init;
- }
-
- // register device and driver of platform
- ret = platform_device_register(&wmt_ts_plt_device);
- if(ret){
- errlog("wmt ts plat device register failed!\n");
- return ret;
- }
- ret = platform_driver_register(&wmt_ts_plt_driver);
- if(ret){
- errlog("can not register platform_driver_register\n");
- platform_device_unregister(&wmt_ts_plt_device);
- return ret;
- }
-
- klog("%s driver init ok!\n",l_tsdev->ts_id);
- return 0;
-err_init:
- ts_i2c_unregister_device();
- return ret;
-}
-
-static void __exit wmt_ts_exit(void)
-{
- dbg("%s\n",__FUNCTION__);
-
- l_tsdev->exit();
- platform_driver_unregister(&wmt_ts_plt_driver);
- platform_device_unregister(&wmt_ts_plt_device);
- ts_i2c_unregister_device();
-}
-
-
-module_init(wmt_ts_init);
-module_exit(wmt_ts_exit);
-
-MODULE_LICENSE("GPL");
-
generated by cgit (git 2.34.1) at 2025-01-08 00:46:39 +0000