diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/touchscreen/ft5x0x/ft5x0x.c')
| -rwxr-xr-x | ANDROID_3.4.5/drivers/input/touchscreen/ft5x0x/ft5x0x.c | 937 |
1 files changed, 0 insertions, 937 deletions
diff --git a/ANDROID_3.4.5/drivers/input/touchscreen/ft5x0x/ft5x0x.c b/ANDROID_3.4.5/drivers/input/touchscreen/ft5x0x/ft5x0x.c deleted file mode 100755 index 9bb63b83..00000000 --- a/ANDROID_3.4.5/drivers/input/touchscreen/ft5x0x/ft5x0x.c +++ /dev/null @@ -1,937 +0,0 @@ -/* - * drivers/input/touchscreen/ft5x0x/ft5x0x.c - * - * FocalTech ft5x0x TouchScreen driver. - * - * Copyright (c) 2010 Focal tech Ltd. - * - * 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. - * - * - * note: only support mulititouch Wenfs 2010-10-01 - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/i2c.h> -#include <linux/input.h> -#ifdef CONFIG_HAS_EARLYSUSPEND -#include <linux/earlysuspend.h> -#endif -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <mach/hardware.h> -#include <linux/platform_device.h> -#include <linux/suspend.h> -#include <linux/wait.h> -#include <asm/uaccess.h> -#include <linux/irq.h> -#include <linux/gpio.h> -#include <mach/wmt_iomux.h> -#include <linux/slab.h> -#include "ft5x0x.h" -#include "../../../video/backlight/wmt_bl.h" - -struct ft5x0x_data *pContext=NULL; -static struct i2c_client *l_client=NULL; - -#ifdef TOUCH_KEY -static int keycodes[NUM_KEYS] ={ - KEY_MENU, - KEY_HOME, - KEY_BACK, - KEY_SEARCH -}; -#endif - -#define FT5402_CONFIG_NAME "fttpconfig_5402public.ini" -extern int ft5x0x_read_fw_ver(void); -extern int ft5x0x_auto_clb(void); -extern int ft5x0x_upg_fw_bin(struct ft5x0x_data *ft5x0x, int check_ver); -extern int ft5402_Get_Param_From_Ini(char *config_name); -extern int ft5402_Init_IC_Param(struct i2c_client *client); -extern int ft5402_get_ic_param(struct i2c_client *client); -extern int ft5402_read_reg(struct i2c_client * client, u8 regaddr, u8 * regvalue); - -extern int register_bl_notifier(struct notifier_block *nb); - -extern int unregister_bl_notifier(struct notifier_block *nb); - - -int ft5x0x_i2c_rxdata(char *rxdata, int length) -{ - int ret; - struct i2c_msg msg[2]; - - msg[0].addr = pContext->addr; - msg[0].flags = 0 | I2C_M_NOSTART; - msg[0].len = 1; - msg[0].buf = rxdata; - - msg[1].addr = pContext->addr; - msg[1].flags = I2C_M_RD; - msg[1].len = length; - msg[1].buf = rxdata; - - ret = i2c_transfer(pContext->client->adapter, msg, 2); - if (ret <= 0) - dbg_err("msg i2c read error: %d\n", ret); - - return ret; -} - - -int ft5x0x_i2c_txdata(char *txdata, int length) -{ - int ret; - struct i2c_msg msg[1]; - - msg[0].addr = pContext->addr; - msg[0].flags = 0; - msg[0].len = length; - msg[0].buf = txdata; - - ret = i2c_transfer(pContext->client->adapter, msg, 1); - if (ret <= 0) - dbg_err("msg i2c read error: %d\n", ret); - - return ret; -} - -static void ft5x0x_penup(struct ft5x0x_data *ft5x0x) -{ - input_mt_sync(ft5x0x->input_dev); - input_sync(ft5x0x->input_dev); -#ifdef TOUCH_KEY - if(ft5x0x->tskey_used && ft5x0x->tkey_pressed && ft5x0x->tkey_idx < NUM_KEYS ){ - input_report_key(ft5x0x->input_dev, keycodes[ft5x0x->tkey_idx], 1); - input_sync(ft5x0x->input_dev); - input_report_key(ft5x0x->input_dev, keycodes[ft5x0x->tkey_idx], 0); - input_sync(ft5x0x->input_dev); - dbg("report as key event %d \n",ft5x0x->tkey_idx); - } -#endif - - dbg("pen up\n"); - return; -} - -#ifdef TOUCH_KEY -static int ft5x0x_read_tskey(struct ft5x0x_data *ft5x0x,int x,int y) -{ - int px,py; - - if(ft5x0x->tkey.axis){ - px = y; - py = x; - }else{ - px = x; - py = y; - } - - if(px >= ft5x0x->tkey.x_lower && px<=ft5x0x->tkey.x_upper){ - ft5x0x->tkey_pressed = 1; - if(py>= ft5x0x->tkey.ypos[0].y_lower && py<= ft5x0x->tkey.ypos[0].y_upper){ - ft5x0x->tkey_idx= 0; - }else if(py>= ft5x0x->tkey.ypos[1].y_lower && py<= ft5x0x->tkey.ypos[1].y_upper){ - ft5x0x->tkey_idx = 1; - }else if(py>= ft5x0x->tkey.ypos[2].y_lower && py<= ft5x0x->tkey.ypos[2].y_upper){ - ft5x0x->tkey_idx = 2; - }else if(py>= ft5x0x->tkey.ypos[3].y_lower && py<= ft5x0x->tkey.ypos[3].y_upper){ - ft5x0x->tkey_idx = 3; - }else{ - ft5x0x->tkey_idx = NUM_KEYS; - } - - return 1; - } - - ft5x0x->tkey_pressed = 0; - return 0; -} -#endif - -static int ft5x0x_read_data(struct ft5x0x_data *ft5x0x) -{ - int ret = -1; - int i = 0; - u16 x,y,px,py; - u8 buf[64] = {0}, id; - struct ts_event *event = &ft5x0x->event; - - if(ft5x0x->nt == 10) - ret = ft5x0x_i2c_rxdata(buf, 64); - else if(ft5x0x->nt == 5) - ret = ft5x0x_i2c_rxdata(buf, 31); - - if (ret <= 0) { - dbg_err("read_data i2c_rxdata failed: %d\n", ret); - return ret; - } - - memset(event, 0, sizeof(struct ts_event)); - //event->tpoint = buf[2] & 0x03;// 0000 0011 - //event->tpoint = buf[2] & 0x07;// 000 0111 - event->tpoint = buf[2]&0x0F; - if (event->tpoint == 0) { - ft5x0x_penup(ft5x0x); - return 1; - } - - if (event->tpoint > ft5x0x->nt){ - dbg_err("tounch pointnum=%d > max:%d\n", event->tpoint,ft5x0x->nt); - return -1; - } - - for (i = 0; i < event->tpoint; i++){ - id = (buf[5+i*6] >>4) & 0x0F;//get track id - if(ft5x0x->swap){ - px = (buf[3+i*6] & 0x0F)<<8 |buf[4+i*6]; - py = (buf[5+i*6] & 0x0F)<<8 |buf[6+i*6]; - }else{ - px = (buf[5+i*6] & 0x0F)<<8 |buf[6+i*6]; - py = (buf[3+i*6] & 0x0F)<<8 |buf[4+i*6]; - } - - x = px; - y = py; - - if(ft5x0x->xch) - x = ft5x0x->reslx - px; - - if(ft5x0x->ych) - y = ft5x0x->resly - py; - - if(ft5x0x->dbg) printk("F%d: Tid=%d,px=%d,py=%d; x=%d,y=%d\n", i, id, px, py, x, y); - -#ifdef TOUCH_KEY - if(ft5x0x->tskey_used && event->tpoint==1) { - if(ft5x0x_read_tskey(ft5x0x,px,py) > 0) return -1; - } -#endif - if (ft5x0x->lcd_exchg) { - int tmp; - tmp = x; - x = y; - y = ft5x0x->reslx - tmp; - } - event->x[i] = x; - event->y[i] = y; - event->tid[i] = id; - - } - - return 0; -} - -static void ft5x0x_report(struct ft5x0x_data *ft5x0x) -{ - int i = 0; - struct ts_event *event = &ft5x0x->event; - - for (i = 0; i < event->tpoint; i++){ - input_report_abs(ft5x0x->input_dev, ABS_MT_TRACKING_ID, event->tid[i]); - input_report_abs(ft5x0x->input_dev, ABS_MT_POSITION_X, event->x[i]); - input_report_abs(ft5x0x->input_dev, ABS_MT_POSITION_Y, event->y[i]); - input_mt_sync(ft5x0x->input_dev); - } - input_sync(ft5x0x->input_dev); - - return; -} - -static void ft5x0x_read_work(struct work_struct *work) -{ - int ret = -1; - struct ft5x0x_data *ft5x0x = container_of(work, struct ft5x0x_data, read_work); - - mutex_lock(&ft5x0x->ts_mutex); - ret = ft5x0x_read_data(ft5x0x); - - if (ret == 0) ft5x0x_report(ft5x0x); - - wmt_gpio_unmask_irq(ft5x0x->irqgpio); - mutex_unlock(&ft5x0x->ts_mutex); - - return; -} - -static irqreturn_t ft5x0x_interrupt(int irq, void *dev) -{ - struct ft5x0x_data *ft5x0x = dev; - - if (gpio_irqstatus(ft5x0x->irqgpio)) - { - wmt_gpio_ack_irq(ft5x0x->irqgpio); - if (is_gpio_irqenable(ft5x0x->irqgpio)) - { - wmt_gpio_mask_irq(ft5x0x->irqgpio); -#ifdef CONFIG_HAS_EARLYSUSPEND - if(!ft5x0x->earlysus) queue_work(ft5x0x->workqueue, &ft5x0x->read_work); -#else - queue_work(ft5x0x->workqueue, &ft5x0x->read_work); -#endif - - } - return IRQ_HANDLED; - } - return IRQ_NONE; -} - -static void ft5x0x_reset(struct ft5x0x_data *ft5x0x) -{ - gpio_set_value(ft5x0x->rstgpio, 1); - mdelay(5); - gpio_set_value(ft5x0x->rstgpio, 0); - mdelay(20); - gpio_set_value(ft5x0x->rstgpio, 1); - mdelay(5); - - return; -} - -#ifdef CONFIG_HAS_EARLYSUSPEND -static void ft5x0x_early_suspend(struct early_suspend *handler) -{ - struct ft5x0x_data *ft5x0x = container_of(handler, struct ft5x0x_data, early_suspend); - ft5x0x->earlysus = 1; - wmt_gpio_mask_irq(ft5x0x->irqgpio); - return; -} - -static void ft5x0x_late_resume(struct early_suspend *handler) -{ - struct ft5x0x_data *ft5x0x = container_of(handler, struct ft5x0x_data, early_suspend); - - ft5x0x_reset(ft5x0x); - ft5x0x->earlysus = 0; - - wmt_gpio_set_irq_type(ft5x0x->irqgpio, IRQ_TYPE_EDGE_FALLING); - wmt_gpio_unmask_irq(ft5x0x->irqgpio); - - return; -} -#endif //CONFIG_HAS_EARLYSUSPEND - -#ifdef CONFIG_PM -static int ft5x0x_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct ft5x0x_data *ft5x0x = dev_get_drvdata(&pdev->dev); - ft5x0x->earlysus = 1; - wmt_gpio_mask_irq(ft5x0x->irqgpio); - return 0; -} - -static int ft5x0x_resume(struct platform_device *pdev) -{ - struct ft5x0x_data *ft5x0x = dev_get_drvdata(&pdev->dev); - ft5x0x_reset(ft5x0x); - ft5x0x->earlysus = 0; - - if (ft5x0x->load_cfg) { - msleep(350); - ft5402_Init_IC_Param(ft5x0x->client); - //msleep(50); - ft5402_get_ic_param(ft5x0x->client); - } - wmt_gpio_set_irq_type(ft5x0x->irqgpio, IRQ_TYPE_EDGE_FALLING); - wmt_gpio_unmask_irq(ft5x0x->irqgpio); - return 0; -} - -#else -#define ft5x0x_suspend NULL -#define ft5x0x_resume NULL -#endif - -static ssize_t cat_dbg(struct device *dev, struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "dbg \n"); -} - -static ssize_t echo_dbg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - unsigned int dbg = simple_strtoul(buf, NULL, 10); - struct ft5x0x_data *ft5x0x = pContext; - - if(dbg){ - ft5x0x->dbg = 1; - }else{ - ft5x0x->dbg = 0; - } - - return count; -} -static DEVICE_ATTR(dbg, S_IRUGO | S_IWUSR, cat_dbg, echo_dbg); - -static ssize_t cat_clb(struct device *dev, struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "calibrate \n"); -} - -static ssize_t echo_clb(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - unsigned int cal = simple_strtoul(buf, NULL, 10); - - if(cal){ - if(ft5x0x_auto_clb()) printk("Calibrate Failed.\n"); - }else{ - printk("calibrate --echo 1 >clb.\n"); - } - - return count; -} - -static DEVICE_ATTR(clb, S_IRUGO | S_IWUSR, cat_clb, echo_clb); - -static ssize_t cat_fupg(struct device *dev, struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "fupg \n"); -} - -static ssize_t echo_fupg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - struct ft5x0x_data *ft5x0x = pContext; - unsigned int upg = simple_strtoul(buf, NULL, 10); - - wmt_gpio_mask_irq(ft5x0x->irqgpio); - if(upg){ - if(ft5x0x_upg_fw_bin(ft5x0x, 0)) printk("Upgrade Failed.\n"); - }else{ - printk("upgrade --echo 1 > fupg.\n"); - } - wmt_gpio_unmask_irq(ft5x0x->irqgpio); - - return count; -} -static DEVICE_ATTR(fupg, S_IRUGO | S_IWUSR, cat_fupg, echo_fupg); - - -static ssize_t cat_fver(struct device *dev, struct device_attribute *attr, char *buf) -{ - int fw_ver = ft5x0x_read_fw_ver(); - return sprintf(buf, "firmware version:0x%02x \n",fw_ver); -} - -static ssize_t echo_fver(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - return count; -} -static DEVICE_ATTR(fver, S_IRUGO | S_IWUSR, cat_fver, echo_fver); - -static ssize_t cat_addr(struct device *dev, struct device_attribute *attr, char *buf) -{ - int ret; - u8 addrs[32]; - int cnt=0; - struct i2c_msg msg[2]; - struct ft5x0x_data *ft5x0x = pContext; - u8 ver[1]= {0xa6}; - - ft5x0x->addr = 1; - - msg[0].addr = ft5x0x->addr; - msg[0].flags = 0; - msg[0].len = 1; - msg[0].buf = ver; - - msg[1].addr = ft5x0x->addr; - msg[1].flags = I2C_M_RD; - msg[1].len = 1; - msg[1].buf = ver; - - while(ft5x0x->addr < 0x80){ - ret = i2c_transfer(ft5x0x->client->adapter, msg, 2); - if(ret == 2) sprintf(&addrs[5*cnt++], " 0x%02x",ft5x0x->addr); - - ft5x0x->addr++; - msg[0].addr = msg[1].addr = ft5x0x->addr; - } - - return sprintf(buf, "i2c addr:%s\n",addrs); -} - -static ssize_t echo_addr(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) -{ - unsigned int addr; - struct ft5x0x_data *ft5x0x = pContext; - - sscanf(buf,"%x", &addr); - ft5x0x->addr = addr; - - return count; -} -static DEVICE_ATTR(addr, S_IRUGO | S_IWUSR, cat_addr, echo_addr); - -static struct attribute *ft5x0x_attributes[] = { - &dev_attr_clb.attr, - &dev_attr_fupg.attr, - &dev_attr_fver.attr, - &dev_attr_dbg.attr, - &dev_attr_addr.attr, - NULL -}; - -static const struct attribute_group ft5x0x_group = { - .attrs = ft5x0x_attributes, -}; - -static int ft5x0x_sysfs_create_group(struct ft5x0x_data *ft5x0x, const struct attribute_group *group) -{ - int err; - - ft5x0x->kobj = kobject_create_and_add("wmtts", NULL) ; - if(!ft5x0x->kobj){ - dbg_err("kobj create failed.\n"); - return -ENOMEM; - } - - /* Register sysfs hooks */ - err = sysfs_create_group(ft5x0x->kobj, group); - if (err < 0){ - kobject_del(ft5x0x->kobj); - dbg_err("Create sysfs group failed!\n"); - return -ENOMEM; - } - - return 0; -} - -static void ft5x0x_sysfs_remove_group(struct ft5x0x_data *ft5x0x, const struct attribute_group *group) -{ - sysfs_remove_group(ft5x0x->kobj, group); - kobject_del(ft5x0x->kobj); - return; -} - -static int bl_notify_irqgpio = -1; -static int wmt_wakeup_bl_notify(struct notifier_block *nb, unsigned long event, - void *dummy) -{ - switch (event) { - case BL_CLOSE: - errlog("ft5x0x: BL_CLOSE, disable irq\n"); - wmt_gpio_mask_irq(bl_notify_irqgpio); - break; - case BL_OPEN: - errlog("ft5x0x: BL_OPEN, enable irq\n"); - wmt_gpio_unmask_irq(bl_notify_irqgpio); - break; - } - return NOTIFY_OK; -} - -static struct notifier_block wmt_bl_notify = { - .notifier_call = wmt_wakeup_bl_notify, -}; - -static int ft5x0x_probe(struct platform_device *pdev) -{ - int i,err = 0; - u8 value = 0; - u8 cfg_name[32]; - struct ft5x0x_data *ft5x0x = platform_get_drvdata( pdev); - - ft5x0x->client = l_client; - INIT_WORK(&ft5x0x->read_work, ft5x0x_read_work); - mutex_init(&ft5x0x->ts_mutex); - - ft5x0x->workqueue = create_singlethread_workqueue(ft5x0x->name); - if (!ft5x0x->workqueue) { - err = -ESRCH; - goto exit_create_singlethread; - } - - err = ft5x0x_sysfs_create_group(ft5x0x, &ft5x0x_group); - if(err < 0){ - dbg("create sysfs group failed.\n"); - goto exit_create_group; - } - - ft5x0x->input_dev = input_allocate_device(); - if (!ft5x0x->input_dev) { - err = -ENOMEM; - dbg("failed to allocate input device\n"); - goto exit_input_dev_alloc_failed; - } - - ft5x0x->input_dev->name = ft5x0x->name; - ft5x0x->input_dev->evbit[0] = BIT_MASK(EV_SYN) | BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); - set_bit(INPUT_PROP_DIRECT, ft5x0x->input_dev->propbit); - - if (ft5x0x->lcd_exchg) { - input_set_abs_params(ft5x0x->input_dev, - ABS_MT_POSITION_X, 0, ft5x0x->resly, 0, 0); - input_set_abs_params(ft5x0x->input_dev, - ABS_MT_POSITION_Y, 0, ft5x0x->reslx, 0, 0); - } else { - input_set_abs_params(ft5x0x->input_dev, - ABS_MT_POSITION_X, 0, ft5x0x->reslx, 0, 0); - input_set_abs_params(ft5x0x->input_dev, - ABS_MT_POSITION_Y, 0, ft5x0x->resly, 0, 0); - } - input_set_abs_params(ft5x0x->input_dev, - ABS_MT_TRACKING_ID, 0, 20, 0, 0); -#ifdef TOUCH_KEY - if(ft5x0x->tskey_used){ - for (i = 0; i <NUM_KEYS; i++) - set_bit(keycodes[i], ft5x0x->input_dev->keybit); - - ft5x0x->input_dev->keycode = keycodes; - ft5x0x->input_dev->keycodesize = sizeof(unsigned int); - ft5x0x->input_dev->keycodemax = NUM_KEYS; - } -#endif - - err = input_register_device(ft5x0x->input_dev); - if (err) { - dbg_err("ft5x0x_ts_probe: failed to register input device.\n"); - goto exit_input_register_device_failed; - } - -#ifdef CONFIG_HAS_EARLYSUSPEND - ft5x0x->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1; - ft5x0x->early_suspend.suspend = ft5x0x_early_suspend; - ft5x0x->early_suspend.resume = ft5x0x_late_resume; - register_early_suspend(&ft5x0x->early_suspend); -#endif - - if(ft5x0x->upg){ - if(ft5x0x_upg_fw_bin(ft5x0x, 1)) printk("Upgrade Failed.\n"); - else wmt_setsyspara("wmt.io.ts.upg",""); - ft5x0x->upg = 0x00; - } - - if(request_irq(ft5x0x->irq, ft5x0x_interrupt, IRQF_SHARED, ft5x0x->name, ft5x0x) < 0){ - dbg_err("Could not allocate irq for ts_ft5x0x !\n"); - err = -1; - goto exit_register_irq; - } - - { // check if need to load config to IC or not - err = ft5402_read_reg(ft5x0x->client, 0xa3, &value); - if (err < 0) - dbg_err("Read reg 0xa3 failed.\n"); - else - printk("0xa3 reg = %d\n", value); - if (value == 3) - ft5x0x->load_cfg = 1; - else - ft5x0x->load_cfg = 0; - } - ft5x0x_reset(ft5x0x); - - if (ft5x0x->load_cfg) { - msleep(350); /*make sure CTP already finish startup process*/ - sprintf(cfg_name, "%s.ini", ft5x0x->cfg_name); - printk("Config file name: %s\n", cfg_name); - if (ft5402_Get_Param_From_Ini(cfg_name) >= 0) - ft5402_Init_IC_Param(ft5x0x->client); - else - dbg_err("[FTS]-------Get ft5402 param from INI file failed\n"); - ft5402_get_ic_param(ft5x0x->client); - } - - wmt_gpio_set_irq_type(ft5x0x->irqgpio, IRQ_TYPE_EDGE_FALLING); - wmt_gpio_unmask_irq(ft5x0x->irqgpio); - - if(bl_notify_irqgpio < 0){ - register_bl_notifier(&wmt_bl_notify); - bl_notify_irqgpio = ft5x0x->irqgpio; - } - - return 0; - -exit_register_irq: -#ifdef CONFIG_HAS_EARLYSUSPEND - unregister_early_suspend(&ft5x0x->early_suspend); -#endif -exit_input_register_device_failed: - input_free_device(ft5x0x->input_dev); -exit_input_dev_alloc_failed: - ft5x0x_sysfs_remove_group(ft5x0x, &ft5x0x_group); -exit_create_group: - cancel_work_sync(&ft5x0x->read_work); - destroy_workqueue(ft5x0x->workqueue); -exit_create_singlethread: - return err; -} - -static int ft5x0x_remove(struct platform_device *pdev) -{ - struct ft5x0x_data *ft5x0x = platform_get_drvdata( pdev); - - if( bl_notify_irqgpio > 0){ - unregister_bl_notifier(&wmt_bl_notify); - bl_notify_irqgpio = -1; - } - cancel_work_sync(&ft5x0x->read_work); - flush_workqueue(ft5x0x->workqueue); - destroy_workqueue(ft5x0x->workqueue); - - free_irq(ft5x0x->irq, ft5x0x); - wmt_gpio_mask_irq(ft5x0x->irqgpio); - -#ifdef CONFIG_HAS_EARLYSUSPEND - unregister_early_suspend(&ft5x0x->early_suspend); -#endif - input_unregister_device(ft5x0x->input_dev); - - ft5x0x_sysfs_remove_group(ft5x0x, &ft5x0x_group); - - mutex_destroy(&ft5x0x->ts_mutex); - dbg("remove...\n"); - return 0; -} - -static void ft5x0x_release(struct device *device) -{ - return; -} - -static struct platform_device ft5x0x_device = { - .name = DEV_FT5X0X, - .id = 0, - .dev = {.release = ft5x0x_release}, -}; - -static struct platform_driver ft5x0x_driver = { - .driver = { - .name = DEV_FT5X0X, - .owner = THIS_MODULE, - }, - .probe = ft5x0x_probe, - .remove = ft5x0x_remove, - .suspend = ft5x0x_suspend, - .resume = ft5x0x_resume, -}; - -static int check_touch_env(struct ft5x0x_data *ft5x0x) -{ - int i,ret = 0; - int len = 96; - int Enable; - char retval[96] = {0}; - char *p=NULL; - char *s=NULL; - - // Get u-boot parameter - ret = wmt_getsyspara("wmt.io.touch", retval, &len); - if(ret){ - //printk("MST FT5x0x:Read wmt.io.touch Failed.\n"); - return -EIO; - } - sscanf(retval,"%d:",&Enable); - //check touch enable - if(Enable == 0){ - //printk("FT5x0x Touch Screen Is Disabled.\n"); - return -ENODEV; - } - - p = strchr(retval,':'); - p++; - if(strncmp(p,"ft5301",6)==0){//check touch ID - ft5x0x->id = FT5301; - ft5x0x->name = DEV_FT5301; - }else if(strncmp(p,"ft5406",6)==0){ - ft5x0x->id = FT5406; - ft5x0x->name = DEV_FT5406; - }else if(strncmp(p,"ft5206",6)==0){ - ft5x0x->id = FT5206; - ft5x0x->name = DEV_FT5206; - }else if(strncmp(p,"ft5606",6)==0){ - ft5x0x->id = FT5606; - ft5x0x->name = DEV_FT5606; - }else if(strncmp(p,"ft5306",6)==0){ - ft5x0x->id = FT5306; - ft5x0x->name = DEV_FT5306; - }else if(strncmp(p,"ft5302",6)==0){ - ft5x0x->id = FT5302; - ft5x0x->name = DEV_FT5302; - }else if(strncmp(p,"ft5",3)==0) - { - ft5x0x->id = FT5X0X; - ft5x0x->name = DEV_FT5X0X; - }else{ - printk("FT5x0x touch disabled.\n"); - return -ENODEV; - } - - s = strchr(p,':'); - strncpy(ft5x0x->cfg_name, p, s-p); - - p = s + 1; - sscanf(p,"%d:%d:%d:%d:%d:%d:%d:%d:%x", &ft5x0x->irqgpio, &ft5x0x->reslx, &ft5x0x->resly, &ft5x0x->rstgpio, &ft5x0x->swap, &ft5x0x->xch, &ft5x0x->ych, &ft5x0x->nt, &ft5x0x->addr); - - ft5x0x->irq = IRQ_GPIO; - printk("%s irqgpio=%d, reslx=%d, resly=%d, rstgpio=%d, swap=%d, xch=%d, ych=%d, nt=%d, addr=%x\n", ft5x0x->name, ft5x0x->irqgpio, ft5x0x->reslx, ft5x0x->resly, ft5x0x->rstgpio, ft5x0x->swap, ft5x0x->xch, ft5x0x->ych, ft5x0x->nt, ft5x0x->addr); - - memset(retval,0x00,sizeof(retval)); - ret = wmt_getsyspara("wmt.io.ts.upg", retval, &len); - if(!ret){ - ft5x0x->upg = 1; - strncpy(ft5x0x->fw_name, retval, sizeof(ft5x0x->fw_name)); - } - -#ifdef TOUCH_KEY - memset(retval,0x00,sizeof(retval)); - ret = wmt_getsyspara("wmt.io.tskey", retval, &len); - if(!ret){ - sscanf(retval,"%d:", &ft5x0x->nkeys); - p = strchr(retval,':'); - p++; - for(i=0; i < ft5x0x->nkeys; i++ ){ - sscanf(p,"%d:%d", &ft5x0x->tkey.ypos[i].y_lower, &ft5x0x->tkey.ypos[i].y_upper); - p = strchr(p,':'); - p++; - p = strchr(p,':'); - p++; - } - sscanf(p,"%d:%d:%d", &ft5x0x->tkey.axis, &ft5x0x->tkey.x_lower, &ft5x0x->tkey.x_upper); - ft5x0x->tskey_used = 1; - } -#endif - - memset(retval,0x00,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]) - ft5x0x->lcd_exchg = 1; - } - - return 0; -} - -struct i2c_board_info ts_i2c_board_info = { - .type = TS_I2C_NAME, - .flags = 0x00, - .addr = FT5406_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_board_info.addr = FT5406_I2C_ADDR; - ts_i2c_bi = &ts_i2c_board_info; - adapter = i2c_get_adapter(FT5X0X_I2C_BUS);/*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; - } -} - -static int __init ft5x0x_init(void) -{ - int ret = -ENOMEM; - struct ft5x0x_data *ft5x0x=NULL; - - if (ts_i2c_register_device()<0) - { - dbg("Error to run ts_i2c_register_device()!\n"); - return -1; - } - - ft5x0x = kzalloc(sizeof(struct ft5x0x_data), GFP_KERNEL); - if(!ft5x0x){ - dbg_err("mem alloc failed.\n"); - return -ENOMEM; - } - - pContext = ft5x0x; - ret = check_touch_env(ft5x0x); - if(ret < 0) - goto exit_free_mem; - - ret = gpio_request(ft5x0x->irqgpio, "ts_irq"); - if (ret < 0) { - printk("gpio(%d) touchscreen irq request fail\n", ft5x0x->irqgpio); - goto exit_free_mem; - } - wmt_gpio_setpull(ft5x0x->irqgpio, WMT_GPIO_PULL_UP); - gpio_direction_input(ft5x0x->irqgpio); - - ret = gpio_request(ft5x0x->rstgpio, "ts_rst"); - if (ret < 0) { - printk("gpio(%d) touchscreen reset request fail\n", ft5x0x->rstgpio); - goto exit_free_irqgpio; - } - gpio_direction_output(ft5x0x->rstgpio, 1); - - - ret = platform_device_register(&ft5x0x_device); - if(ret){ - dbg_err("register platform drivver failed!\n"); - goto exit_free_gpio; - } - platform_set_drvdata(&ft5x0x_device, ft5x0x); - - ret = platform_driver_register(&ft5x0x_driver); - if(ret){ - dbg_err("register platform device failed!\n"); - goto exit_unregister_pdev; - } - - return ret; - -exit_unregister_pdev: - platform_device_unregister(&ft5x0x_device); -exit_free_gpio: - gpio_free(ft5x0x->rstgpio); -exit_free_irqgpio: - gpio_free(ft5x0x->irqgpio); -exit_free_mem: - kfree(ft5x0x); - pContext = NULL; - return ret; -} - -static void ft5x0x_exit(void) -{ - if(!pContext) return; - - gpio_free(pContext->rstgpio); - gpio_free(pContext->irqgpio); - platform_driver_unregister(&ft5x0x_driver); - platform_device_unregister(&ft5x0x_device); - kfree(pContext); - ts_i2c_unregister_device(); - return; -} - -late_initcall(ft5x0x_init); -module_exit(ft5x0x_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("FocalTech.Touch"); |