static long pn544_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct pn544_dev *pn544_dev;
int ret = 0;
pn544_dev = file->private_data;
mutex_lock(&pn544_dev->ioctl_mutex);
ret = pn544_dev_ioctl(pn544_dev, cmd, arg);
if (ret != 0) {
pr_err ("pn544_ioctl return error\n");
}
mutex_unlock(&pn544_dev->ioctl_mutex);
return ret;
}
static int nfc_blk_reboot_notify(struct notifier_block *notify_block,
unsigned long mode, void *unused)
{
int ret = 0;
struct pn544_dev *pn544_dev = container_of(
notify_block, struct pn544_dev, reboot_notify);
pr_info("pn544 reboot notification received\n");
if (pn544_dev != NULL) {
pn544_dev->discharge_delay = 0;
ret = pn544_dev_ioctl(pn544_dev, PN544_SET_PWR, 0);
pr_info("pn544 calling ioctl power off returned = %d\n", ret);
}
return NOTIFY_DONE;
}
static ssize_t pn544_control_func(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t count)
{
struct miscdevice *pn544_device = dev_get_drvdata(dev);
struct pn544_dev *pn544_dev = container_of(pn544_device,
struct pn544_dev, pn544_device);
unsigned long val = simple_strtoul(buf, NULL, 10);
int ret = 0;
pr_info("pn544_control_func called value in ioctl is = %ld\n", val);
ret = pn544_dev_ioctl(pn544_dev, PN544_SET_PWR, val);
if (ret != 0)
pr_err("pn544_control_function ioctl return error\n");
return count;
}
static long p61_dev_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg)
{
int ret = 0;
struct p61_dev *p61_dev = NULL;
unsigned char buf[100];
P61_DBG_MSG(KERN_ALERT "p61_dev_ioctl-Enter %u arg = %ld\n", cmd, arg);
p61_dev = filp->private_data;
switch (cmd) {
case P61_SET_PWR:
if (arg == 2)
{
#ifdef P61_HARD_RESET
P61_DBG_MSG(KERN_ALERT " Disabling p61_regulator");
if (p61_regulator != NULL)
{
regulator_disable(p61_regulator);
msleep(50);
regulator_enable(p61_regulator);
P61_DBG_MSG(KERN_ALERT " Enabling p61_regulator");
}
else
{
P61_ERR_MSG(KERN_ALERT " ERROR : p61_regulator is not enabled");
}
#endif
}
else if (arg == 1)
{
P61_DBG_MSG(KERN_ALERT " Soft Reset");
//gpio_set_value(p61_dev->rst_gpio, 1);
//msleep(20);
gpio_set_value(p61_dev->rst_gpio, 0);
msleep(50);
ret = spi_read (p61_dev -> spi,(void *) buf, sizeof(buf));
msleep(50);
gpio_set_value(p61_dev->rst_gpio, 1);
msleep(20);
}
break;
case P61_SET_DBG:
debug_level = (unsigned char )arg;
P61_DBG_MSG(KERN_INFO"[NXP-P61] - Debug level %d", debug_level);
break;
case P61_SET_POLL:
p61_dev-> enable_poll_mode = (unsigned char )arg;
if (p61_dev-> enable_poll_mode == 0)
{
P61_DBG_MSG(KERN_INFO"[NXP-P61] - IRQ Mode is set \n");
}
else
{
P61_DBG_MSG(KERN_INFO"[NXP-P61] - Poll Mode is set \n");
p61_dev->enable_poll_mode = 1;
}
break;
case P61_SET_SPM_PWR:
P61_DBG_MSG(KERN_ALERT " P61_SET_SPM_PWR: enter");
ret = pn544_dev_ioctl(filp, P61_SET_SPI_PWR, arg);
P61_DBG_MSG(KERN_ALERT " P61_SET_SPM_PWR: exit");
break;
case P61_GET_SPM_STATUS:
P61_DBG_MSG(KERN_ALERT " P61_GET_SPM_STATUS: enter");
ret = pn544_dev_ioctl(filp, P61_GET_PWR_STATUS, arg);
P61_DBG_MSG(KERN_ALERT " P61_GET_SPM_STATUS: exit");
break;
case P61_SET_DWNLD_STATUS:
P61_DBG_MSG(KERN_ALERT " P61_SET_DWNLD_STATUS: enter");
ret = pn544_dev_ioctl(filp, PN544_SET_DWNLD_STATUS, arg);
P61_DBG_MSG(KERN_ALERT " P61_SET_DWNLD_STATUS: =%d exit",arg);
break;
case P61_SET_THROUGHPUT:
p61_through_put_t.enable_through_put_measure = true;
P61_DBG_MSG(KERN_INFO"[NXP-P61] - P61_SET_THROUGHPUT enable %d", p61_through_put_t.enable_through_put_measure);
break;
case P61_GET_ESE_ACCESS:
P61_DBG_MSG(KERN_ALERT " P61_GET_ESE_ACCESS: enter");
ret = pn544_dev_ioctl(filp, P544_GET_ESE_ACCESS, arg);
P61_DBG_MSG(KERN_ALERT " P61_GET_ESE_ACCESS ret: %d exit",ret);
break;
case P61_SET_POWER_SCHEME:
P61_DBG_MSG(KERN_ALERT " P61_SET_POWER_SCHEME: enter");
ret = pn544_dev_ioctl(filp, P544_SET_POWER_SCHEME, arg);
P61_DBG_MSG(KERN_ALERT " P61_SET_POWER_SCHEME ret: %d exit",ret);
break;
case P61_INHIBIT_PWR_CNTRL:
P61_DBG_MSG(KERN_ALERT " P61_INHIBIT_PWR_CNTRL: enter");
ret = pn544_dev_ioctl(filp, P544_SECURE_TIMER_SESSION, arg);
P61_DBG_MSG(KERN_ALERT " P61_INHIBIT_PWR_CNTRL ret: %d exit", ret);
break;
default:
P61_DBG_MSG(KERN_ALERT " Error case");
ret = -EINVAL;
}
P61_DBG_MSG(KERN_ALERT "p61_dev_ioctl-exit %u arg = %ld\n", cmd, arg);
return ret;
}
