/* interpret lirc commands */
static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
{
int result;
__u32 value;
switch (cmd) {
case LIRC_GET_SEND_MODE:
return -ENOIOCTLCMD;
break;
case LIRC_SET_SEND_MODE:
result = get_user(value, (__u32 *) arg);
if (result)
return result;
/* only LIRC_MODE_PULSE supported */
if (value != LIRC_MODE_PULSE)
return -ENOSYS;
dprintk("Sending stuff on lirc");
break;
case LIRC_GET_LENGTH:
return -ENOSYS;
break;
case LIRC_SET_SEND_DUTY_CYCLE:
result = get_user(value, (__u32 *) arg);
if (result)
return result;
if (value <= 0 || value > 100)
return -EINVAL;
dprintk("SET_SEND_DUTY_CYCLE to %d \n", value);
return init_timing_params(value, freq);
break;
case LIRC_SET_SEND_CARRIER:
result = get_user(value, (__u32 *) arg);
if (result)
return result;
if (value > 500000 || value < 20000)
return -EINVAL;
dprintk("SET_SEND_CARRIER to %d \n",value);
return init_timing_params(duty_cycle, value);
break;
default:
return lirc_dev_fop_ioctl(filep, cmd, arg);
}
return 0;
}
static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
unsigned long arg)
{
struct lirc_codec *lirc;
struct rc_dev *dev;
u32 __user *argp = (u32 __user *)(arg);
int ret = 0;
__u32 val = 0, tmp;
lirc = lirc_get_pdata(filep);
if (!lirc)
return -EFAULT;
dev = lirc->dev;
if (!dev)
return -EFAULT;
if (_IOC_DIR(cmd) & _IOC_WRITE) {
ret = get_user(val, argp);
if (ret)
return ret;
}
switch (cmd) {
/* legacy support */
case LIRC_GET_SEND_MODE:
val = LIRC_CAN_SEND_PULSE & LIRC_CAN_SEND_MASK;
break;
case LIRC_SET_SEND_MODE:
if (val != (LIRC_MODE_PULSE & LIRC_CAN_SEND_MASK))
return -EINVAL;
return 0;
/* TX settings */
case LIRC_SET_TRANSMITTER_MASK:
if (!dev->s_tx_mask)
return -ENOSYS;
return dev->s_tx_mask(dev, val);
case LIRC_SET_SEND_CARRIER:
if (!dev->s_tx_carrier)
return -ENOSYS;
return dev->s_tx_carrier(dev, val);
case LIRC_SET_SEND_DUTY_CYCLE:
if (!dev->s_tx_duty_cycle)
return -ENOSYS;
if (val <= 0 || val >= 100)
return -EINVAL;
return dev->s_tx_duty_cycle(dev, val);
/* RX settings */
case LIRC_SET_REC_CARRIER:
if (!dev->s_rx_carrier_range)
return -ENOSYS;
if (val <= 0)
return -EINVAL;
return dev->s_rx_carrier_range(dev,
dev->raw->lirc.carrier_low,
val);
case LIRC_SET_REC_CARRIER_RANGE:
if (val <= 0)
return -EINVAL;
dev->raw->lirc.carrier_low = val;
return 0;
case LIRC_GET_REC_RESOLUTION:
val = dev->rx_resolution;
break;
case LIRC_SET_WIDEBAND_RECEIVER:
if (!dev->s_learning_mode)
return -ENOSYS;
return dev->s_learning_mode(dev, !!val);
case LIRC_SET_MEASURE_CARRIER_MODE:
if (!dev->s_carrier_report)
return -ENOSYS;
return dev->s_carrier_report(dev, !!val);
/* Generic timeout support */
case LIRC_GET_MIN_TIMEOUT:
if (!dev->max_timeout)
return -ENOSYS;
val = dev->min_timeout / 1000;
break;
case LIRC_GET_MAX_TIMEOUT:
if (!dev->max_timeout)
return -ENOSYS;
val = dev->max_timeout / 1000;
break;
case LIRC_SET_REC_TIMEOUT:
if (!dev->max_timeout)
return -ENOSYS;
tmp = val * 1000;
if (tmp < dev->min_timeout ||
tmp > dev->max_timeout)
return -EINVAL;
dev->timeout = tmp;
break;
case LIRC_SET_REC_TIMEOUT_REPORTS:
lirc->send_timeout_reports = !!val;
break;
default:
return lirc_dev_fop_ioctl(filep, cmd, arg);
}
if (_IOC_DIR(cmd) & _IOC_READ)
ret = put_user(val, argp);
return ret;
}
static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
#endif
{
int result;
__u32 value;
switch (cmd) {
case LIRC_GET_SEND_MODE:
// if (!(hardware[type].features&LIRC_CAN_SEND_MASK))
// return -ENOIOCTLCMD;
// result = put_user(LIRC_SEND2MODE
// (hardware[type].features&LIRC_CAN_SEND_MASK),
// (__u32 *) arg);
if (result)
return result;
break;
case LIRC_SET_SEND_MODE:
// if (!(hardware[type].features&LIRC_CAN_SEND_MASK))
// return -ENOIOCTLCMD;
result = get_user(value, (__u32 *) arg);
if (result)
return result;
/* only LIRC_MODE_PULSE supported */
if (value != LIRC_MODE_PULSE)
return -ENOSYS;
break;
case LIRC_GET_LENGTH:
return -ENOSYS;
break;
case LIRC_SET_SEND_DUTY_CYCLE:
// if (!(hardware[type].features&LIRC_CAN_SET_SEND_DUTY_CYCLE))
// return -ENOIOCTLCMD;
result = get_user(value, (__u32 *) arg);
if (result)
return result;
if (value <= 0 || value > 100)
return -EINVAL;
return init_timing_params(value, freq);
break;
case LIRC_SET_SEND_CARRIER:
// if (!(hardware[type].features&LIRC_CAN_SET_SEND_CARRIER))
// return -ENOIOCTLCMD;
result = get_user(value, (__u32 *) arg);
if (result)
return result;
if (value > 500000 || value < 20000)
return -EINVAL;
return init_timing_params(duty_cycle, value);
break;
default:
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35)
return lirc_dev_fop_ioctl(node, filep, cmd, arg);
#else
return lirc_dev_fop_ioctl(filep, cmd, arg);
#endif
}
return 0;
}
