Also reuse LIRC_SET_MEASURE_CARRIER_MODE as LIRC_SET_LEARN_MODE
(LIRC_SET_LEARN_MODE will start carrier reports if possible, and
tune receiver to wide band mode)
This IOCTL isn't yet used by lirc, so this won't break userspace.
Signed-off-by: Maxim Levitsky <maximlevitsky@xxxxxxxxx>
---
drivers/media/IR/ir-core-priv.h | 2 +
drivers/media/IR/ir-lirc-codec.c | 100 ++++++++++++++++++++++++++++++++++----
include/media/ir-core.h | 11 ++++
include/media/lirc.h | 4 +-
4 files changed, 105 insertions(+), 12 deletions(-)
diff --git a/drivers/media/IR/ir-core-priv.h b/drivers/media/IR/ir-core-priv.h
index 3eafdb7..4ed170d 100644
--- a/drivers/media/IR/ir-core-priv.h
+++ b/drivers/media/IR/ir-core-priv.h
@@ -77,6 +77,8 @@ struct ir_raw_event_ctrl {
struct lirc_codec {
struct ir_input_dev *ir_dev;
struct lirc_driver *drv;
+ int timeout_report;
+ int carrier_low;
} lirc;
};
diff --git a/drivers/media/IR/ir-lirc-codec.c b/drivers/media/IR/ir-lirc-codec.c
index 8ca01fd..0f3969c 100644
--- a/drivers/media/IR/ir-lirc-codec.c
+++ b/drivers/media/IR/ir-lirc-codec.c
@@ -96,13 +96,13 @@ out:
return ret;
}
-static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
+static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long __user arg)
{
struct lirc_codec *lirc;
struct ir_input_dev *ir_dev;
int ret = 0;
void *drv_data;
- unsigned long val;
+ unsigned long val = 0;
lirc = lirc_get_pdata(filep);
if (!lirc)
@@ -116,10 +116,21 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long ar
switch (cmd) {
case LIRC_SET_TRANSMITTER_MASK:
+ case LIRC_SET_SEND_CARRIER:
+ case LIRC_SET_SEND_MODE:
+ case LIRC_SET_REC_TIMEOUT:
+ case LIRC_SET_REC_TIMEOUT_REPORTS:
+ case LIRC_SET_LEARN_MODE:
+ case LIRC_SET_REC_CARRIER:
+ case LIRC_SET_REC_CARRIER_RANGE:
+ case LIRC_SET_SEND_DUTY_CYCLE:
ret = get_user(val, (unsigned long *)arg);
if (ret)
return ret;
+ }
+ switch (cmd) {
+ case LIRC_SET_TRANSMITTER_MASK:
if (ir_dev->props && ir_dev->props->s_tx_mask)
ret = ir_dev->props->s_tx_mask(drv_data, (u32)val);
else
@@ -127,10 +138,6 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long ar
break;
case LIRC_SET_SEND_CARRIER:
- ret = get_user(val, (unsigned long *)arg);
- if (ret)
- return ret;
-
if (ir_dev->props && ir_dev->props->s_tx_carrier)
ir_dev->props->s_tx_carrier(drv_data, (u32)val);
else
@@ -143,14 +150,75 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long ar
break;
case LIRC_SET_SEND_MODE:
- ret = get_user(val, (unsigned long *)arg);
- if (ret)
- return ret;
-
if (val != (LIRC_MODE_PULSE & LIRC_CAN_SEND_MASK))
return -EINVAL;
break;
+ case LIRC_GET_REC_RESOLUTION:
+ val = ir_dev->props->rx_resolution;
+ ret = put_user(val, (unsigned long *)arg);
+ break;
+
+ case LIRC_SET_REC_TIMEOUT:
+ if (val < ir_dev->props->min_timeout ||
+ val > ir_dev->props->max_timeout)
+ return -EINVAL;
+
+ ir_dev->props->timeout = val;
+ break;
+
+ case LIRC_SET_REC_TIMEOUT_REPORTS:
+ ir_dev->raw->lirc.timeout_report = !!val;
+ return 0;
+
+ case LIRC_GET_MIN_TIMEOUT:
+
+ if (!ir_dev->props->max_timeout)
+ return -ENOSYS;
+
+ ret = put_user(ir_dev->props->min_timeout, (unsigned long *)arg);
+ break;
+ case LIRC_GET_MAX_TIMEOUT:
+ if (!ir_dev->props->max_timeout)
+ return -ENOSYS;
+
+ ret = put_user(ir_dev->props->max_timeout, (unsigned long *)arg);
+ break;
+
+ case LIRC_SET_LEARN_MODE:
+ if (ir_dev->props->s_learning_mode)
+ return ir_dev->props->s_learning_mode(
+ ir_dev->props->priv, !!val);
+ else
+ return -ENOSYS;
+
+ case LIRC_SET_REC_CARRIER:
+ if (ir_dev->props->s_rx_carrier_range)
+ ret = ir_dev->props->s_rx_carrier_range(
+ ir_dev->props->priv,
+ ir_dev->raw->lirc.carrier_low, val);
+ else
+ return -ENOSYS;
+
+ if (!ret)
+ ir_dev->raw->lirc.carrier_low = 0;
+ break;
+
+ case LIRC_SET_REC_CARRIER_RANGE:
+ if (val >= 0)
+ ir_dev->raw->lirc.carrier_low = val;
+ break;
+ case LIRC_SET_SEND_DUTY_CYCLE:
+
+ if (!ir_dev->props->s_tx_duty_cycle)
+ return -ENOSYS;
+
+ if (val <= 0 || val >= 100)
+ return -EINVAL;
+
+ ir_dev->props->s_tx_duty_cycle(ir_dev->props->priv, val);
+ break;
+
default:
return lirc_dev_fop_ioctl(filep, cmd, arg);
}
@@ -200,13 +268,25 @@ static int ir_lirc_register(struct input_dev *input_dev)
features = LIRC_CAN_REC_MODE2;
if (ir_dev->props->tx_ir) {
+
features |= LIRC_CAN_SEND_PULSE;
if (ir_dev->props->s_tx_mask)
features |= LIRC_CAN_SET_TRANSMITTER_MASK;
if (ir_dev->props->s_tx_carrier)
features |= LIRC_CAN_SET_SEND_CARRIER;
+
+ if (ir_dev->props->s_tx_duty_cycle)
+ features |= LIRC_CAN_SET_REC_DUTY_CYCLE;
}
+ if (ir_dev->props->s_rx_carrier_range)
+ features |= LIRC_CAN_SET_REC_CARRIER |
+ LIRC_CAN_SET_REC_CARRIER_RANGE;
+
+ if (ir_dev->props->s_learning_mode)
+ features |= LIRC_CAN_LEARN_MODE;
+
+
snprintf(drv->name, sizeof(drv->name), "ir-lirc-codec (%s)",
ir_dev->driver_name);
drv->minor = -1;
diff --git a/include/media/ir-core.h b/include/media/ir-core.h
index 53ce966..46cc6c5 100644
--- a/include/media/ir-core.h
+++ b/include/media/ir-core.h
@@ -44,6 +44,8 @@ enum rc_driver_type {
* @timeout: optional time after which device stops sending data
* @min_timeout: minimum timeout supported by device
* @max_timeout: maximum timeout supported by device
+ * @rx_resolution : resolution (in ns) of input sampler
+ * @tx_resolution: resolution (in ns) of output sampler
* @priv: driver-specific data, to be used on the callbacks
* @change_protocol: allow changing the protocol used on hardware decoders
* @open: callback to allow drivers to enable polling/irq when IR input device
@@ -52,9 +54,12 @@ enum rc_driver_type {
* is opened.
* @s_tx_mask: set transmitter mask (for devices with multiple tx outputs)
* @s_tx_carrier: set transmit carrier frequency
+ * @s_tx_duty_cycle: set transmit duty cycle (0% - 100%)
+ * @s_rx_carrier: inform driver about carrier it is expected to handle
* @tx_ir: transmit IR
* @s_idle: optional: enable/disable hardware idle mode, upon which,
device doesn't interrupt host untill it sees IR data
+ * @s_learning_mode: enable learning mode
*/
struct ir_dev_props {
enum rc_driver_type driver_type;
@@ -65,6 +70,8 @@ struct ir_dev_props {
u64 min_timeout;
u64 max_timeout;
+ u32 rx_resolution;
+ u32 tx_resolution;
void *priv;
int (*change_protocol)(void *priv, u64 ir_type);
@@ -72,8 +79,12 @@ struct ir_dev_props {
void (*close)(void *priv);
int (*s_tx_mask)(void *priv, u32 mask);
int (*s_tx_carrier)(void *priv, u32 carrier);
+ int (*s_tx_duty_cycle) (void *priv, u32 duty_cycle);
+ int (*s_rx_carrier_range) (void *priv, u32 min, u32 max);
int (*tx_ir)(void *priv, int *txbuf, u32 n);
void (*s_idle) (void *priv, int enable);
+ int (*s_learning_mode) (void *priv, int enable);
+
};
struct ir_input_dev {
diff --git a/include/media/lirc.h b/include/media/lirc.h
index 42c467c..09a9753 100644
--- a/include/media/lirc.h
+++ b/include/media/lirc.h
@@ -76,7 +76,7 @@
#define LIRC_CAN_SET_REC_TIMEOUT 0x10000000
#define LIRC_CAN_SET_REC_FILTER 0x08000000
-#define LIRC_CAN_MEASURE_CARRIER 0x02000000
+#define LIRC_CAN_LEARN_MODE 0x02000000
#define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK)
#define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK)
@@ -145,7 +145,7 @@
* if enabled from the next key press on the driver will send
* LIRC_MODE2_FREQUENCY packets
*/
-#define LIRC_SET_MEASURE_CARRIER_MODE _IOW('i', 0x0000001d, __u32)
+#define LIRC_SET_LEARN_MODE _IOW('i', 0x0000001d, __u32)
/*
* to set a range use
--
1.7.0.4
--
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