static ssize_t touchkey_firmup_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
if(Flip_status){
printk(KERN_ERR "[TKEY] flip opened\n");
melfas_touchkey_switch_early_resume(Flip_status,1);
}else{
disable_irq(touchkey_driver->client->irq);
}
printk(TCHKEY_KERN_DEBUG "Touchkey firm-up start!\n");
get_touchkey_data(version_info, 3);
printk(TCHKEY_KERN_DEBUG "F/W version: 0x%x, Module version:0x%x\n", version_info[1], version_info[2]);
if ((version_info[1] < MCS5080_last_ver) || (version_info[1] == 0xff)){
mdelay(350);
mcsdl_download_binary_data(MCS5080_CHIP);
mdelay(100);
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]);
}
else
printk(KERN_ERR "Touchkey IC module is new, can't update!");
if(Flip_status){
printk(KERN_ERR "[TKEY] flip opened\n");
melfas_touchkey_switch_early_suspend(Flip_status,1);
}else{
enable_irq(touchkey_driver->client->irq);
}
return size;
}
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]==MCS5000_CHIP)
mcsdl_download_binary_data(MCS5000_CHIP);
else 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 int i2c_touchkey_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct input_dev *input_dev;
struct melfas_touchkey_platform_data *pdata;
int err = 0;
printk(KERN_ERR "[TKEY] %s\n",__func__);
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;
}
if (client->dev.of_node) {
pdata = devm_kzalloc(&client->dev,
sizeof(struct melfas_touchkey_platform_data),
GFP_KERNEL);
if (!pdata) {
dev_info(&client->dev, "Failed to allocate memory\n");
return -ENOMEM;
}
err = melfas_parse_dt(&client->dev, pdata);
if (err)
return err;
}else
pdata = client->dev.platform_data;
melfas_request_gpio(pdata);
// init_hw();
/*
melfas_power_onoff(pdata,1);
msleep(100);
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]);
*/
irq_set_irq_type(gpio_to_irq(pdata->gpio_int), IRQF_TRIGGER_FALLING);
melfas_config_gpio_i2c(pdata, 0);
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]);
touchkey_driver->client = client;
touchkey_driver->client->irq = gpio_to_irq(pdata->gpio_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);
mutex_init(&melfas_tsk_lock);
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(touchkey_driver->client->irq, touchkey_interrupt, IRQF_DISABLED, DEVICE_NAME, touchkey_driver))
{
printk(KERN_ERR "%s Can't allocate irq ..\n", __FUNCTION__);
return -EBUSY;
}
return 0;
}
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__);
// if (ret = gpio_request(_3_GPIO_TOUCH_INT, "_3_GPIO_TOUCH_INT"))
// printk(KERN_ERR "Failed to request gpio %s:%d\n", __func__, __LINE__);
ret = misc_register(&touchkey_update_device);
if (ret) {
printk(KERN_ERR "%s misc_register fail\n",__FUNCTION__);
}
if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_activation) < 0)
{
printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_activation\n",__FUNCTION__);
pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_activation.attr.name);
}
if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_version) < 0)
{
printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_version\n",__FUNCTION__);
pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_version.attr.name);
}
if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_recommend) < 0)
{
printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_recommend\n",__FUNCTION__);
pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_recommend.attr.name);
}
if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_firmup) < 0)
{
printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_firmup\n",__FUNCTION__);
pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_firmup.attr.name);
}
if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_init) < 0)
{
printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_init\n",__FUNCTION__);
pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_init.attr.name);
}
if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_menu) < 0)
{
printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_menu\n",__FUNCTION__);
pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_menu.attr.name);
}
if (device_create_file(touchkey_update_device.this_device, &dev_attr_touchkey_back) < 0)
{
printk(KERN_ERR "%s device_create_file fail dev_attr_touchkey_back\n",__FUNCTION__);
pr_err("Failed to create device file(%s)!\n", dev_attr_touchkey_back.attr.name);
}
if (device_create_file(touchkey_update_device.this_device, &dev_attr_brightness) < 0)
{
printk(KERN_ERR "%s device_create_file fail dev_attr_brightness\n",__FUNCTION__);
pr_err("Failed to create device file(%s)!\n", dev_attr_brightness.attr.name);
}
if (device_create_file(touchkey_update_device.this_device, &dev_attr_enable_disable) < 0)
{
printk(KERN_ERR "%s device_create_file fail dev_attr_touch_update\n",__FUNCTION__);
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(HWREV>=8)
{
if(version_info[1]==0xff) //unknown firmware state
{
if(!mcsdl_download_binary_data(MCS5000_CHIP)) //try MCS-5000 download
mcsdl_download_binary_data(MCS5080_CHIP); // if first try is fail, MCS-5080 download
updated = 1;
}
else
{
if(version_info[2]>=MCS5000_CHIP) //MCS-5000
{
if(version_info[1]!=MCS5000_last_ver) //not latest version
{
mcsdl_download_binary_data(MCS5000_CHIP);
updated = 1;
}
}
else if(version_info[2]==MCS5080_CHIP)//MCS-5080
{
if(version_info[1]!=MCS5080_last_ver) //not latest version
{
mcsdl_download_binary_data(MCS5080_CHIP);
updated = 1;
}
}
else
printk("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;
}
void touchkey_work_func(struct work_struct * p)
{
u8 data[5];
int keycode;
int retry = 10;
if(!gpio_get_value(_3_GPIO_TOUCH_INT) && !touchkey_dead)
{
get_touchkey_data(data, 5);
if((data[0] & ESD_STATE_BIT)|(data[3]>=45)|(data[4]>=45)) // ESD state or abnormal sensitivity
{
is_suspending = 1;
printk(KERN_ERR "touchkey ESD_STATE_BIT set\n");
if(user_press_on==1)
{
input_report_key(touchkey_driver->input_dev, TOUCHKEY_KEYCODE_MENU, 0);
printk(TCHKEY_KERN_DEBUG "ESD release menu key\n");
}
else if(user_press_on==2)
{
input_report_key(touchkey_driver->input_dev, TOUCHKEY_KEYCODE_BACK, 0);
printk(TCHKEY_KERN_DEBUG "ESD release back key\n");
}
user_press_on = 0;
while(retry--)
{
gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
gpio_direction_output(_3_TOUCH_SDA_28V, 0);
gpio_direction_output(_3_TOUCH_SCL_28V, 0);
msleep(300);
init_hw();
if(i2c_touchkey_read(KEYCODE_REG, data, 3)>=0)
{
printk(TCHKEY_KERN_DEBUG "touchkey ESD init success\n");
enable_irq(IRQ_TOUCH_INT);
is_suspending = 0;
return;
}
printk(KERN_ERR "i2c transfer error after ESD, retry...%d",retry);
}
touchkey_dead = 1;
gpio_direction_output(_3_GPIO_TOUCH_EN, 0);
gpio_direction_output(_3_TOUCH_SDA_28V, 0);
gpio_direction_output(_3_TOUCH_SCL_28V, 0);
printk(KERN_ERR "touchkey died after ESD");
return;
}
else
{
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, keycode, 0);
input_sync(touchkey_driver->input_dev);
// printk(TCHKEY_KERN_DEBUG "touchkey release keycode: %d\n", keycode);
}
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)
{
//TSP_forced_release(); Jiseong.oh
#ifdef CONFIG_CPU_FREQ
// set_dvfs_target_level(LEV_800MHZ);//set to comment temporarily by mseok.chae 2011.01.11
#endif
user_press_on = 2;
back_sensitivity = data[4];
input_report_key(touchkey_driver->input_dev, keycode,1);
input_sync(touchkey_driver->input_dev);
// printk(TCHKEY_KERN_DEBUG "back key sensitivity = %d\n",back_sensitivity);
// printk(TCHKEY_KERN_DEBUG " touchkey press keycode: %d\n", keycode);
}
else if(keycode==TOUCHKEY_KEYCODE_MENU)
{
user_press_on = 1;
menu_sensitivity = data[3];
input_report_key(touchkey_driver->input_dev, keycode,1);
input_sync(touchkey_driver->input_dev);
// printk(TCHKEY_KERN_DEBUG "menu key sensitivity = %d\n",menu_sensitivity);
// printk(TCHKEY_KERN_DEBUG " touchkey press keycode: %d\n", keycode);
}
}
}
}
}
else
printk(KERN_ERR "touchkey interrupt line is high!\n");
enable_irq(IRQ_TOUCH_INT);
return ;
}
