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
if(clk_source == CLKS_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);
spin_lock_irqsave(&pn547_dev->irq_enabled_lock, flags);
#ifdef CONFIG_LGE_NFC_SET_IRQ_WAKEUP
if (sIrqState == false) {
irq_set_irq_wake(pn547_dev->client->irq,1);
sIrqState = true;
pr_info(PN547_DRV_NAME ":%s enable IRQ\n", __func__);
}
else {
pr_err("%s IRQ is already enabled!\n", __func__);
}
#endif
//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
if(clk_source == CLKS_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);
spin_lock_irqsave(&pn547_dev->irq_enabled_lock, flags);
#ifdef CONFIG_LGE_NFC_SET_IRQ_WAKEUP
if (sIrqState == true) {
irq_set_irq_wake(pn547_dev->client->irq,0);
sIrqState = false;
dprintk(PN547_DRV_NAME ":%s disable IRQ\n", __func__);
}
else {
pr_err("%s IRQ is already disabled!\n", __func__);
}
#endif
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();
}
#ifdef CONFIG_LGE_NFC_USE_PMIC
case pn547_CLKS_SET:
{
if(arg == 0){
clk_source = CLKS_XO;
dprintk(PN547_DRV_NAME "%s: clock source X-tal set!\n", __func__);
}else if(arg == 1){
clk_source = CLKS_PMIC;
dprintk(PN547_DRV_NAME "%s: clock source PMIC set!\n", __func__);
}else{
pr_err("%s: wrong clock source set clk source : %ld\n", __func__, arg);
return -1;
}
}
break;
#endif
default:
pr_err("%s bad ioctl %d\n", __func__, cmd);
return -EINVAL;
}
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 */
dprintk(PN547_DRV_NAME ":%s power on\n", __func__);
if (sPowerState == NFC_POWER_OFF) {
gpio_set_value(pn547_dev->firm_gpio, 0);
gpio_set_value(pn547_dev->ven_gpio, 1);
msleep(10);
spin_lock_irqsave(&pn547_dev->irq_enabled_lock, flags);
#ifdef CONFIG_LGE_NFC_SET_IRQ_WAKEUP
if (sIrqState == false) {
irq_set_irq_wake(pn547_dev->client->irq,1);
sIrqState = true;
dprintk(PN547_DRV_NAME ":%s enable IRQ\n", __func__);
}
else {
pr_err("%s IRQ is already enabled!\n", __func__);
}
#endif
//pr_err("%s NFC_POWER_ON\n", __func__); // for debug
sPowerState = NFC_POWER_ON;
sReadSequence = NFC_PACKET_HEADER;
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 */
dprintk(PN547_DRV_NAME ":%s power off\n", __func__);
if (sPowerState == NFC_POWER_ON) {
gpio_set_value(pn547_dev->firm_gpio, 0);
gpio_set_value(pn547_dev->ven_gpio, 0);
msleep(10);
spin_lock_irqsave(&pn547_dev->irq_enabled_lock, flags);
#ifdef CONFIG_LGE_NFC_SET_IRQ_WAKEUP
if (sIrqState == true) {
irq_set_irq_wake(pn547_dev->client->irq,0);
sIrqState = false;
dprintk(PN547_DRV_NAME ":%s disable IRQ\n", __func__);
}
else {
pr_err("%s IRQ is already disabled!\n", __func__);
}
#endif
if (pn547_dev->count_irq > 0) {
pr_err("%s: Clear IRQ(%d)\n", __func__, pn547_dev->count_irq);
pn547_dev->count_irq = 0;
wake_unlock(&nfc_wake_lock);
}
//pr_err("%s NFC_POWER_OFF\n", __func__); // for debug
sPowerState = NFC_POWER_OFF;
sReadSequence = NFC_PACKET_HEADER;
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;
}
