diff options
Diffstat (limited to 'drivers/input/touchscreen/grande_touchkey.c')
| -rwxr-xr-x | drivers/input/touchscreen/grande_touchkey.c | 757 |
1 files changed, 0 insertions, 757 deletions
diff --git a/drivers/input/touchscreen/grande_touchkey.c b/drivers/input/touchscreen/grande_touchkey.c deleted file mode 100755 index 5ba5595..0000000 --- a/drivers/input/touchscreen/grande_touchkey.c +++ /dev/null @@ -1,757 +0,0 @@ -/* - * Driver for keys on GPIO lines capable of generating interrupts. - * - * Copyright 2005 Phil Blundell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/i2c.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/sched.h> -#include <linux/pm.h> -#include <linux/sysctl.h> -#include <linux/proc_fs.h> -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/input.h> -#include <mach/regs-gpio.h> -#include <plat/gpio-cfg.h> -#include <asm/gpio.h> -#include <linux/miscdevice.h> -#include <asm/uaccess.h> -#include <linux/earlysuspend.h> -#include <asm/io.h> -#include <mach/gpio.h> -#include <mach/irqs.h> -#include <mach/gpio-midas.h> -#include <linux/regulator/consumer.h> -#include <linux/regulator/driver.h> -#include <linux/regulator/machine.h> - -#ifdef CONFIG_CPU_FREQ -#include <mach/cpufreq.h> -#endif - -/* -Melfas touchkey register -*/ -#define KEYCODE_REG 0x00 -#define FIRMWARE_VERSION 0x01 -#define TOUCHKEY_MODULE_VERSION 0x03 -#define TOUCHKEY_ADDRESS 0x20 - -#define UPDOWN_EVENT_BIT 0x08 -#define KEYCODE_BIT 0x07 -#define ESD_STATE_BIT 0x10 -#define I2C_M_WR 0 /* for i2c */ - -//#define IRQ_TOUCH_INT (IRQ_EINT_GROUP22_BASE + 1) -#define DEVICE_NAME "melfas-touchkey" -#define INT_PEND_BASE 0xE0200A54 - -#define MCS5080_CHIP 0x03 -#define MCS5080_last_ver 0x01 /*w999 v19*/ - -// if you want to see log, set this definition to NULL or KERN_WARNING -#define TCHKEY_KERN_DEBUG KERN_DEBUG - -#define _3_TOUCH_SDA_28V GPIO_3_TOUCH_SDA -#define _3_TOUCH_SCL_28V GPIO_3_TOUCH_SCL -#define _3_GPIO_TOUCH_EN GPIO_3_TOUCH_EN -#define _3_GPIO_TOUCH_INT GPIO_3_TOUCH_INT -#define IRQ_TOUCH_INT gpio_to_irq(GPIO_3_TOUCH_INT) - - - -#define TOUCHKEY_KEYCODE_MENU KEY_MENU -#define TOUCHKEY_KEYCODE_HOME KEY_HOME -#define TOUCHKEY_KEYCODE_BACK KEY_BACK -#define TOUCHKEY_KEYCODE_SEARCH KEY_END -#define FLIP_CLOSE 0 -#define FLIP_OPEN 1 - -static int touchkey_keycode[5] = {0,KEY_MENU , KEY_HOME, KEY_BACK, 0}; -static unsigned int HWREV=7; -static u8 activation_onoff = 1; // 0:deactivate 1:activate -static u8 is_suspending = 0; -static u8 user_press_on = 0; -static u8 touchkey_dead = 0; -static u8 menu_sensitivity = 0; -static u8 back_sensitivity = 0; -static u8 home_sensitivity = 0; - -static int touchkey_enable = 0; - -static u8 version_info[3]; -static void __iomem *gpio_pend_mask_mem; -static int Flip_status=FLIP_OPEN; - -struct i2c_touchkey_driver { - struct i2c_client *client; - struct input_dev *input_dev; - struct work_struct work; - struct early_suspend early_suspend; -}; -struct i2c_touchkey_driver *touchkey_driver = NULL; -struct workqueue_struct *touchkey_wq; -extern struct class *sec_class; -struct device *sec_touchkey; - -static const struct i2c_device_id melfas_touchkey_id[] = { - {"melfas-touchkey", 0}, - {} -}; - -MODULE_DEVICE_TABLE(i2c, melfas_touchkey_id); - -extern void get_touchkey_data(u8 *data, u8 length); -static void init_hw(void); -static int touchkey_pmic_control(int onoff); -static int i2c_touchkey_probe(struct i2c_client *client, const struct i2c_device_id *id); -static void melfas_touchkey_switch_early_suspend(int FILP_STATE); -static void melfas_touchkey_switch_early_resume(int FILP_STATE); - - -struct i2c_driver touchkey_i2c_driver = -{ - .driver = { - .name = "melfas-touchkey", - }, - .id_table = melfas_touchkey_id, - .probe = i2c_touchkey_probe, -}; - - -static int i2c_touchkey_read(u8 reg, u8 *val, unsigned int len) -{ - int err; - int retry = 3; - struct i2c_msg msg[1]; - - if((touchkey_driver == NULL)||touchkey_dead) - { - return -ENODEV; - } - - while(retry--) - { - msg->addr = touchkey_driver->client->addr; - msg->flags = I2C_M_RD; - msg->len = len; - msg->buf = val; - err = i2c_transfer(touchkey_driver->client->adapter, msg, 1); - - if (err >= 0) - { - return 0; - } - printk(KERN_ERR "%s %d i2c transfer error\n", __func__, __LINE__);/* add by inter.park */ - mdelay(10); - } - - return err; - -} - -static int i2c_touchkey_write(u8 *val, unsigned int len) -{ - int err; - struct i2c_msg msg[1]; - unsigned char data[2]; - - if((touchkey_driver == NULL)||is_suspending||touchkey_dead) - { - return -ENODEV; - } - - data[0] = *val; - msg->addr = touchkey_driver->client->addr; - msg->flags = I2C_M_WR; - msg->len = len; - msg->buf = data; - - err = i2c_transfer(touchkey_driver->client->adapter, msg, 1); - - if (err >= 0) return 0; - - printk(KERN_ERR "%s %d i2c transfer error\n", __func__, __LINE__); - - return err; -} - -static unsigned int touch_state_val; -//extern unsigned int touch_state_val; -extern void TSP_forced_release(void); -void touchkey_work_func(struct work_struct * p) -{ - u8 data[14]; - int keycode; - int retry = 10; - if (Flip_status == FLIP_CLOSE) { - if (!gpio_get_value(_3_GPIO_TOUCH_INT) && !touchkey_dead) { - i2c_touchkey_read(KEYCODE_REG, data, 14); - - keycode = touchkey_keycode[data[0] & KEYCODE_BIT]; - if(activation_onoff){ - if(data[0] & UPDOWN_EVENT_BIT) // key released - { - user_press_on = 0; - input_report_key(touchkey_driver->input_dev, touchkey_keycode[data[0] & KEYCODE_BIT], 0); - input_sync(touchkey_driver->input_dev); - } - else // key pressed - { - if(touch_state_val == 1) - { - printk(TCHKEY_KERN_DEBUG "touchkey pressed but don't send event because touch is pressed. \n"); - } - else - { - if(keycode == TOUCHKEY_KEYCODE_BACK) - { - user_press_on = 3; - back_sensitivity = data[5]; - } - else if(keycode == TOUCHKEY_KEYCODE_MENU) - { - user_press_on = 1; - menu_sensitivity = data[3]; - } - else if(keycode == TOUCHKEY_KEYCODE_HOME) - { - user_press_on = 2; - home_sensitivity = data[4]; - } - input_report_key(touchkey_driver->input_dev, keycode,1); - input_sync(touchkey_driver->input_dev); - } - } - } - } - else - printk(KERN_ERR "touchkey interrupt line is high!\n"); - } - - else - i2c_touchkey_read(KEYCODE_REG, data, 14); - - enable_irq(IRQ_TOUCH_INT); - return ; -} - -static irqreturn_t touchkey_interrupt(int irq, void *dummy) -{ - printk("TKEY interrupt call\n"); - disable_irq_nosync(IRQ_TOUCH_INT); - queue_work(touchkey_wq, &touchkey_driver->work); - - return IRQ_HANDLED; -} - -void samsung_switching_tkey(int flip) -{ - u8 data[6]; - int ret; - - if (touchkey_driver == NULL) - return; - - printk(KERN_ERR "[TKEY] samsung_switching_tkey, Flip_status : %d, flip : %d \n", Flip_status, flip); - - if (Flip_status != flip) - { - Flip_status=flip; - if (flip == FLIP_CLOSE) { - touchkey_enable = 1; - melfas_touchkey_switch_early_resume(flip); - } - else { - touchkey_enable = 0; - melfas_touchkey_switch_early_suspend(flip); - } - } - -} -EXPORT_SYMBOL(samsung_switching_tkey); - -static void melfas_touchkey_switch_early_suspend(int FILP_STATE){ - - unsigned char data; - - if (touchkey_driver == NULL) - return; - - data = 0x02; - i2c_touchkey_write(&data, 1); //Key LED force off - - printk(KERN_DEBUG "melfas_touchkey_switch_early_suspend, %d\n", FILP_STATE); - if (touchkey_enable < 0) { - printk("---%s---touchkey_enable: %d\n", __FUNCTION__, - touchkey_enable); - return; - } - gpio_direction_output(_3_GPIO_TOUCH_EN, 0); - gpio_direction_output(_3_TOUCH_SDA_28V, 0); - gpio_direction_output(_3_TOUCH_SCL_28V, 0); - if (system_rev >= 14) - touchkey_pmic_control(0); - - disable_irq(IRQ_TOUCH_INT); - -#ifdef USE_IRQ_FREE - free_irq(IRQ_TOUCH_INT, NULL); -#endif - -} - -static void melfas_touchkey_switch_early_resume(int FILP_STATE){ - int err = 0; - u8 data[14]; - int retry =5; - u8 data1 = 0x01; - if (touchkey_driver == NULL) - return; - - if (Flip_status == FLIP_OPEN) - return; - - printk(KERN_ERR "%d\n", FILP_STATE); - - i2c_touchkey_write(&data1, 1); - - init_hw(); - -#ifdef USE_IRQ_FREE - msleep(50); - - - printk("%s, %d\n",__func__, __LINE__); - err = request_threaded_irq(IRQ_TOUCH_INT, NULL, touchkey_interrupt, - IRQF_DISABLED | IRQF_TRIGGER_LOW | IRQF_ONESHOT, "touchkey_int", NULL); - if (err) { - printk(KERN_ERR "%s Can't allocate irq .. %d\n", __FUNCTION__, err); - } -#endif - - //force raed (for INT high) before enable_irq - while(!(gpio_get_value(GPIO_3_TOUCH_INT))){ - i2c_touchkey_read(KEYCODE_REG, data, 1); - printk("%s : INT high force read , data = %d\n",__func__,data[0]); - mdelay(5); - if(retry<0) break; - retry--; - } - - enable_irq(IRQ_TOUCH_INT); -} - -#ifdef CONFIG_HAS_EARLYSUSPEND -static void melfas_touchkey_early_suspend(struct early_suspend *h) -{ - pr_info("melfas_touchkey_early_suspend +++\n"); - touchkey_enable = 0; - is_suspending = 1; - if(user_press_on==1) - { - input_report_key(touchkey_driver->input_dev, TOUCHKEY_KEYCODE_MENU, 0); -// printk(TCHKEY_KERN_DEBUG "%s release menu key\n",__func__); - } - else if(user_press_on==2) - { - input_report_key(touchkey_driver->input_dev, TOUCHKEY_KEYCODE_BACK, 0); -// printk(TCHKEY_KERN_DEBUG "%s release back key\n",__func__); - } - user_press_on = 0; - - if(touchkey_dead) - { - printk(KERN_ERR "touchkey died after ESD"); - return; - } - - disable_irq(IRQ_TOUCH_INT); - gpio_direction_output(_3_GPIO_TOUCH_EN, 0); - gpio_direction_output(_3_TOUCH_SDA_28V, 0); - gpio_direction_output(_3_TOUCH_SCL_28V, 0); - if (system_rev >= 14) - touchkey_pmic_control(0); - pr_info("melfas_touchkey_early_suspend ---\n"); -} - -static void melfas_touchkey_early_resume(struct early_suspend *h) -{ - pr_info("melfas_touchkey_early_resume +++\n"); - touchkey_enable = 1; - if(touchkey_dead) - { - printk(KERN_ERR "touchkey died after ESD"); - return; - } - - init_hw(); -#if 0 - //clear interrupt - if(readl(gpio_pend_mask_mem)&(0x1<<1)) - writel(readl(gpio_pend_mask_mem)|(0x1<<1), gpio_pend_mask_mem); -#endif - enable_irq(IRQ_TOUCH_INT); - is_suspending = 0; - - pr_info("melfas_touchkey_early_resume ---\n"); -} -#endif // End of CONFIG_HAS_EARLYSUSPEND - -extern int mcsdl_download_binary_data(u8 chip_ver); -//extern int mcsdl_download_binary_file(unsigned char *pData, unsigned short nBinary_length); -static int i2c_touchkey_probe(struct i2c_client *client, const struct i2c_device_id *id) -{ - struct device *dev = &client->dev; - struct input_dev *input_dev; - int err = 0; - - printk("melfas touchkey probe called!\n"); - touchkey_driver = kzalloc(sizeof(struct i2c_touchkey_driver), GFP_KERNEL); - if (touchkey_driver == NULL) - { - dev_err(dev, "failed to create our state\n"); - return -ENOMEM; - } - - touchkey_driver->client = client; - - touchkey_driver->client->irq = IRQ_TOUCH_INT; - strlcpy(touchkey_driver->client->name, "melfas-touchkey", I2C_NAME_SIZE); - - input_dev = input_allocate_device(); - - if (!input_dev) - return -ENOMEM; - - touchkey_driver->input_dev = input_dev; - - input_dev->name = DEVICE_NAME; - input_dev->phys = "melfas-touchkey/input0"; - input_dev->id.bustype = BUS_HOST; - - set_bit(EV_SYN, input_dev->evbit); - set_bit(EV_LED, input_dev->evbit); - set_bit(LED_MISC, input_dev->ledbit); - set_bit(EV_KEY, input_dev->evbit); - set_bit(touchkey_keycode[1], input_dev->keybit); - set_bit(touchkey_keycode[2], input_dev->keybit); - set_bit(touchkey_keycode[3], input_dev->keybit); - set_bit(touchkey_keycode[4], input_dev->keybit); - - err = input_register_device(input_dev); - if (err) - { - input_free_device(input_dev); - return err; - } - - gpio_pend_mask_mem = ioremap(INT_PEND_BASE, 0x10); - touchkey_wq = create_singlethread_workqueue("melfas_touchkey_wq"); - if (!touchkey_wq) - return -ENOMEM; - - INIT_WORK(&touchkey_driver->work, touchkey_work_func); - -#ifdef CONFIG_HAS_EARLYSUSPEND - touchkey_driver->early_suspend.suspend = melfas_touchkey_early_suspend; - touchkey_driver->early_suspend.resume = melfas_touchkey_early_resume; - register_early_suspend(&touchkey_driver->early_suspend); -#endif /* CONFIG_HAS_EARLYSUSPEND */ - touchkey_enable = 1; - if (request_irq(IRQ_TOUCH_INT, touchkey_interrupt, IRQF_DISABLED, DEVICE_NAME, touchkey_driver)) - { - printk(KERN_ERR "%s Can't allocate irq ..\n", __FUNCTION__); - return -EBUSY; - } - return 0; -} -static int touchkey_pmic_control(int onoff) -{ - struct regulator *regulator; - regulator = regulator_get(NULL, "TOUCH_PULL_UP"); - - if (onoff) { - regulator_enable(regulator); - printk(KERN_INFO "[touchkey]touchkey_pmic_control on\n"); - } - else { - regulator_disable(regulator); - printk(KERN_INFO "[touchkey]touchkey_pmic_control off\n"); - } - regulator_put(regulator); - return 0; -} -static void init_hw(void) -{ - if (system_rev >= 14) - touchkey_pmic_control(1); - - gpio_set_value(_3_GPIO_TOUCH_EN, 1); - msleep(100); - s3c_gpio_setpull(_3_GPIO_TOUCH_INT, S3C_GPIO_PULL_UP); - irq_set_irq_type(IRQ_TOUCH_INT, IRQF_TRIGGER_FALLING); - s3c_gpio_cfgpin(_3_GPIO_TOUCH_INT, S3C_GPIO_SFN(0xf)); -} - - -int touchkey_update_open (struct inode *inode, struct file *filp) -{ - return 0; -} - -ssize_t touchkey_update_read(struct file *filp, char *buf, size_t count, loff_t *f_pos) -{ - return 0; -} - -ssize_t touchkey_update_write (struct file *filp, const char *buf, size_t count, loff_t *f_pos) -{ - return count; -} - -int touchkey_update_release (struct inode *inode, struct file *filp) -{ - return 0; -} - -static ssize_t touchkey_activation_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t size) -{ - printk(TCHKEY_KERN_DEBUG "called %s\n", __func__); - sscanf(buf, "%hhu", &activation_onoff); - printk(TCHKEY_KERN_DEBUG "deactivation test = %d\n", activation_onoff); - return size; -} - -static ssize_t touchkey_version_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - printk(TCHKEY_KERN_DEBUG "called %s\n", __func__); - return sprintf(buf,"%02x\n",version_info[1]); -} - -static ssize_t touchkey_recommend_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - u8 recommended_ver; - printk(TCHKEY_KERN_DEBUG "called %s\n", __func__); - if (version_info[2] == MCS5080_CHIP) - recommended_ver = MCS5080_last_ver; - else - recommended_ver = version_info[1]; - - return sprintf(buf,"%02x\n",recommended_ver); -} - -static ssize_t touchkey_firmup_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - printk(TCHKEY_KERN_DEBUG "Touchkey firm-up start!\n"); - - if (version_info[2] == MCS5080_CHIP) - mcsdl_download_binary_data(MCS5080_CHIP); - else - printk(KERN_ERR "Touchkey IC module is old, can't update!"); - - get_touchkey_data(version_info, 3); - printk(TCHKEY_KERN_DEBUG "Updated F/W version: 0x%x, Module version:0x%x\n", version_info[1], version_info[2]); - return sprintf(buf,"%02x\n",version_info[1]); -} - -static ssize_t touchkey_init_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - printk(TCHKEY_KERN_DEBUG "called %s \n", __func__); - return sprintf(buf, "%d\n",touchkey_dead); -} - -static ssize_t touchkey_menu_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - printk(TCHKEY_KERN_DEBUG "called %s \n", __func__); - return sprintf(buf, "%d\n",menu_sensitivity); -} -static ssize_t touchkey_home_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - printk(TCHKEY_KERN_DEBUG "called %s \n", __func__); - return sprintf(buf, "%d\n",home_sensitivity); -} - -static ssize_t touchkey_back_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - printk(TCHKEY_KERN_DEBUG "called %s \n", __func__); - return sprintf(buf, "%d\n",back_sensitivity); -} - -static ssize_t touch_led_control(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) -{ - u8 data; - if (!touchkey_enable) - return -1; - - sscanf(buf, "%hhu", &data); - i2c_touchkey_write(&data, 1); // LED on(data=1) or off(data=2) - return size; -} - -static ssize_t touchkey_enable_disable(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) -{ - // this function is called when platform shutdown thread begins - printk(TCHKEY_KERN_DEBUG "called %s %c \n",__func__, *buf); - if(*buf == '0') - { - is_suspending = 1; - disable_irq(IRQ_TOUCH_INT); - gpio_direction_output(_3_GPIO_TOUCH_EN, 0); - } - else - { - printk(KERN_ERR "%s: unknown command %c \n",__func__, *buf); - } - - return size; -} - -static DEVICE_ATTR(touchkey_activation, 0664, NULL, touchkey_activation_store); -static DEVICE_ATTR(touchkey_firm_version_panel, S_IRUGO, touchkey_version_show, NULL); -static DEVICE_ATTR(touchkey_firm_version_phone, S_IRUGO, touchkey_recommend_show, NULL); -static DEVICE_ATTR(recommended_version, S_IRUGO, touchkey_recommend_show, NULL); -static DEVICE_ATTR(touchkey_firm_update, S_IRUGO, touchkey_firmup_show, NULL); -static DEVICE_ATTR(touchkey_init, S_IRUGO, touchkey_init_show, NULL); -static DEVICE_ATTR(touchkey_menu, S_IRUGO, touchkey_menu_show, NULL); -static DEVICE_ATTR(touchkey_back, S_IRUGO, touchkey_back_show, NULL); -static DEVICE_ATTR(touchkey_home, S_IRUGO, touchkey_home_show, NULL); -static DEVICE_ATTR(brightness, 0664, NULL, touch_led_control); -static DEVICE_ATTR(enable_disable, 0664, NULL, touchkey_enable_disable); - -static struct attribute *touchkey_attributes[] = { - &dev_attr_touchkey_activation.attr, - &dev_attr_touchkey_firm_version_panel.attr, - &dev_attr_touchkey_firm_version_phone.attr, - &dev_attr_recommended_version.attr, - &dev_attr_touchkey_firm_update.attr, - &dev_attr_touchkey_init.attr, - &dev_attr_touchkey_menu.attr, - &dev_attr_touchkey_back.attr, - &dev_attr_touchkey_home.attr, - &dev_attr_brightness.attr, - &dev_attr_enable_disable.attr, - NULL, -}; - - -static int __init touchkey_init(void) -{ - - int ret = 0; - - u8 updated = 0; - if ((ret = gpio_request(_3_GPIO_TOUCH_EN, "_3_GPIO_TOUCH_EN"))) - printk(KERN_ERR "Failed to request gpio %s:%d\n", __func__, __LINE__); - - sec_touchkey=device_create(sec_class, NULL, 0, NULL, "sec_touchkey"); - - if (device_create_file(sec_touchkey, &dev_attr_touchkey_activation) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_activation.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_touchkey_firm_version_panel) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_firm_version_panel.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_touchkey_firm_version_phone) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_firm_version_phone.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_recommended_version) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_recommended_version.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_touchkey_firm_update) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_firm_update.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_touchkey_init) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_init.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_touchkey_menu) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_menu.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_touchkey_back) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_back.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_touchkey_home) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_home.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_brightness) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_brightness.attr.name); - - if (device_create_file(sec_touchkey, &dev_attr_enable_disable) < 0) - pr_err("Failed to create device file(%s)!\n", dev_attr_enable_disable.attr.name); - - init_hw(); - - get_touchkey_data(version_info, 3); - printk(TCHKEY_KERN_DEBUG "%s F/W version: 0x%x, Module version:0x%x\n",__FUNCTION__, version_info[1], version_info[2]); - -//------------------- Auto Firmware Update Routine Start -------------------// - if (version_info[1] == 0xff) { - mcsdl_download_binary_data(MCS5080_CHIP); - updated = 1; - } - else - { - if (version_info[2] == MCS5080_CHIP) - { - if (version_info[1] != MCS5080_last_ver) - { - mcsdl_download_binary_data(MCS5080_CHIP); - updated = 1; - } else - printk(KERN_ERR"Touchkey IC module is old, can't update!"); - } - if (updated) - { - get_touchkey_data(version_info, 3); - printk(TCHKEY_KERN_DEBUG "Updated F/W version: 0x%x, Module version:0x%x\n", version_info[1], version_info[2]); - } - } -//------------------- Auto Firmware Update Routine End -------------------// - - ret = i2c_add_driver(&touchkey_i2c_driver); - - if(ret||(touchkey_driver==NULL)) - { - touchkey_dead = 1; - printk("ret = %d, touch_driver= %p:", ret, touchkey_driver); - printk(KERN_ERR - "melfas touch keypad registration failed, module not inserted.ret= %d\n", - ret); - } - - return ret; -} - -static void __exit touchkey_exit(void) -{ - i2c_del_driver(&touchkey_i2c_driver); -// misc_deregister(&touchkey_update_device); - if (touchkey_wq) - destroy_workqueue(touchkey_wq); - gpio_free(_3_GPIO_TOUCH_INT); -} - -module_init(touchkey_init); -module_exit(touchkey_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("@@@"); -MODULE_DESCRIPTION("melfas touch keypad"); |