static int pn547_dev_open(struct inode *inode, struct file *filp)
{
struct pn547_dev *pn547_dev = i2c_get_clientdata(pn547_client);
filp->private_data = pn547_dev;
pn547_enable_irq(pn547_dev);
pr_debug("%s : %d,%d\n", __func__, imajor(inode), iminor(inode));
return 0;
}
static int pn547_dev_open(struct inode *inode, struct file *filp)
{
struct pn547_dev *pn547_dev = i2c_get_clientdata(pn547_client);
filp->private_data = pn547_dev;
#ifdef CONFIG_LGE_NFC_SET_IRQ_WAKEUP
#else
pn547_enable_irq(pn547_dev);
#endif
pr_debug("%s : %d,%d\n", __func__, imajor(inode), iminor(inode));
return 0;
}
static int pn547_dev_open(struct inode *inode, struct file *filp)
{
struct pn547_dev *pn547_dev = container_of(filp->private_data,
struct pn547_dev,
pn547_device);
filp->private_data = pn547_dev;
pn547_enable_irq(pn547_dev);
pr_err("%s : %d,%d\n", __func__, imajor(inode), iminor(inode));
return 0;
}
static long pn547_dev_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct pn547_dev *pn547_dev = filp->private_data;
unsigned long flags;
switch (cmd) {
case pn547_SET_PWR:
if (arg == 2) {
/*
power on with firmware download (requires hw reset)
*/
dprintk(PN547_DRV_NAME ":%s power on with firmware\n", __func__);
gpio_set_value(pn547_dev->ven_gpio, 1);
gpio_set_value(pn547_dev->firm_gpio, 1);
msleep(10);
gpio_set_value(pn547_dev->ven_gpio, 0);
msleep(10);
gpio_set_value(pn547_dev->ven_gpio, 1);
msleep(10);
} else if (arg == 1) {
/* power on */
pr_info(PN547_DRV_NAME ":%s power on\n", __func__);
if (sPowerState == NFC_POWER_OFF) {
#ifdef CONFIG_LGE_NFC_USE_PMIC
pn547_change_clk(pn547_dev, CLK_PIN);
#endif
gpio_set_value(pn547_dev->firm_gpio, 0);
gpio_set_value(pn547_dev->ven_gpio, 1);
msleep(10);
#ifdef CONFIG_LGE_NFC_SET_IRQ_WAKEUP
pn547_enable_irq(pn547_dev);
#endif
spin_lock_irqsave(&pn547_dev->irq_enabled_lock, flags);
//pr_err("%s NFC_POWER_ON\n", __func__); // for debug
sPowerState = NFC_POWER_ON;
spin_unlock_irqrestore(&pn547_dev->irq_enabled_lock, flags);
}
else {
pr_err("%s NFC is alread On!\n", __func__);
}
} else if (arg == 0) {
/* power off */
pr_info(PN547_DRV_NAME ":%s power off\n", __func__);
if (sPowerState == NFC_POWER_ON) {
#ifdef CONFIG_LGE_NFC_USE_PMIC
pn547_change_clk(pn547_dev, CLK_DISABLE);
#endif
gpio_set_value(pn547_dev->firm_gpio, 0);
gpio_set_value(pn547_dev->ven_gpio, 0);
msleep(10);
#ifdef CONFIG_LGE_NFC_SET_IRQ_WAKEUP
pn547_disable_irq(pn547_dev);
#endif
spin_lock_irqsave(&pn547_dev->irq_enabled_lock, flags);
if (sIsWakeLocked == true) {
pr_err("%s: Release Wake_Lock\n", __func__);
wake_unlock(&nfc_wake_lock);
sIsWakeLocked = false;
}
//pr_err("%s NFC_POWER_OFF\n", __func__); // for debug
sPowerState = NFC_POWER_OFF;
spin_unlock_irqrestore(&pn547_dev->irq_enabled_lock, flags);
}
else {
pr_err("%s NFC is alread Off!\n", __func__);
}
} else {
pr_err("%s bad arg %ld\n", __func__, arg);
return -EINVAL;
}
break;
case pn547_HW_REVISION:
{
return pn547_get_hw_revision();
}
default:
pr_err("%s bad ioctl %d\n", __func__, cmd);
return -EINVAL;
}
return 0;
}
