Allows dvb-usb drivers to use rc-core, instead of the legacy
implementation.
No driver were ported yet to rc-core, so, some small adjustments
may be needed, when starting to migrate the drivers.
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
index 7951076..b579fed 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
@@ -8,7 +8,7 @@
#include "dvb-usb-common.h"
#include <linux/usb/input.h>
-static int dvb_usb_getkeycode(struct input_dev *dev,
+static int legacy_dvb_usb_getkeycode(struct input_dev *dev,
unsigned int scancode, unsigned int *keycode)
{
struct dvb_usb_device *d = input_get_drvdata(dev);
@@ -25,7 +25,7 @@ static int dvb_usb_getkeycode(struct input_dev *dev,
/*
* If is there extra space, returns KEY_RESERVED,
- * otherwise, input core won't let dvb_usb_setkeycode
+ * otherwise, input core won't let legacy_dvb_usb_setkeycode
* to work
*/
for (i = 0; i < d->props.rc.legacy.rc_key_map_size; i++)
@@ -38,7 +38,7 @@ static int dvb_usb_getkeycode(struct input_dev *dev,
return -EINVAL;
}
-static int dvb_usb_setkeycode(struct input_dev *dev,
+static int legacy_dvb_usb_setkeycode(struct input_dev *dev,
unsigned int scancode, unsigned int keycode)
{
struct dvb_usb_device *d = input_get_drvdata(dev);
@@ -78,7 +78,7 @@ static int dvb_usb_setkeycode(struct input_dev *dev,
*
* TODO: Fix the repeat rate of the input device.
*/
-static void dvb_usb_read_remote_control(struct work_struct *work)
+static void legacy_dvb_usb_read_remote_control(struct work_struct *work)
{
struct dvb_usb_device *d =
container_of(work, struct dvb_usb_device, rc_query_work.work);
@@ -154,15 +154,114 @@ schedule:
schedule_delayed_work(&d->rc_query_work,msecs_to_jiffies(d->props.rc.legacy.rc_interval));
}
+static int legacy_dvb_usb_remote_init(struct dvb_usb_device *d,
+ struct input_dev *input_dev)
+{
+ int i, err, rc_interval;
+
+ input_dev->getkeycode = legacy_dvb_usb_getkeycode;
+ input_dev->setkeycode = legacy_dvb_usb_setkeycode;
+
+ /* set the bits for the keys */
+ deb_rc("key map size: %d\n", d->props.rc.legacy.rc_key_map_size);
+ for (i = 0; i < d->props.rc.legacy.rc_key_map_size; i++) {
+ deb_rc("setting bit for event %d item %d\n",
+ d->props.rc.legacy.rc_key_map[i].keycode, i);
+ set_bit(d->props.rc.legacy.rc_key_map[i].keycode, input_dev->keybit);
+ }
+
+ /* setting these two values to non-zero, we have to manage key repeats */
+ input_dev->rep[REP_PERIOD] = d->props.rc.legacy.rc_interval;
+ input_dev->rep[REP_DELAY] = d->props.rc.legacy.rc_interval + 150;
+
+ input_set_drvdata(input_dev, d);
+
+ err = input_register_device(input_dev);
+ if (err)
+ input_free_device(input_dev);
+
+ rc_interval = d->props.rc.legacy.rc_interval;
+
+ INIT_DELAYED_WORK(&d->rc_query_work, legacy_dvb_usb_read_remote_control);
+
+ info("schedule remote query interval to %d msecs.", rc_interval);
+ schedule_delayed_work(&d->rc_query_work,
+ msecs_to_jiffies(rc_interval));
+
+ d->state |= DVB_USB_STATE_REMOTE;
+
+ return err;
+}
+
+/* Remote-control poll function - called every dib->rc_query_interval ms to see
+ * whether the remote control has received anything.
+ *
+ * TODO: Fix the repeat rate of the input device.
+ */
+static void dvb_usb_read_remote_control(struct work_struct *work)
+{
+ struct dvb_usb_device *d =
+ container_of(work, struct dvb_usb_device, rc_query_work.work);
+ int err;
+
+ /* TODO: need a lock here. We can simply skip checking for the remote control
+ if we're busy. */
+
+ /* when the parameter has been set to 1 via sysfs while the
+ * driver was running, or when bulk mode is enabled after IR init
+ */
+ if (dvb_usb_disable_rc_polling || d->props.rc.core.bulk_mode)
+ return;
+
+ err = d->props.rc.core.rc_query(d);
+ if (err)
+ err("error %d while querying for an remote control event.", err);
+
+ schedule_delayed_work(&d->rc_query_work,
+ msecs_to_jiffies(d->props.rc.core.rc_interval));
+}
+
+static int rc_core_dvb_usb_remote_init(struct dvb_usb_device *d,
+ struct input_dev *input_dev)
+{
+ int err, rc_interval;
+
+ d->props.rc.core.rc_props.priv = d;
+ err = ir_input_register(input_dev,
+ d->props.rc.core.rc_codes,
+ &d->props.rc.core.rc_props,
+ d->props.rc.core.module_name);
+ if (err < 0)
+ return err;
+
+ if (!d->props.rc.core.rc_query || d->props.rc.core.bulk_mode)
+ return 0;
+
+ /* Polling mode - initialize a work queue for handling it */
+ INIT_DELAYED_WORK(&d->rc_query_work, dvb_usb_read_remote_control);
+
+ rc_interval = d->props.rc.core.rc_interval;
+
+ info("schedule remote query interval to %d msecs.", rc_interval);
+ schedule_delayed_work(&d->rc_query_work,
+ msecs_to_jiffies(rc_interval));
+
+ return 0;
+}
+
int dvb_usb_remote_init(struct dvb_usb_device *d)
{
struct input_dev *input_dev;
- int i;
int err;
- if (d->props.rc.legacy.rc_key_map == NULL ||
- d->props.rc.legacy.rc_query == NULL ||
- dvb_usb_disable_rc_polling)
+ if (dvb_usb_disable_rc_polling)
+ return 0;
+
+ if (d->props.rc.legacy.rc_key_map && d->props.rc.legacy.rc_query)
+ d->props.rc.mode = DVB_RC_LEGACY;
+ else if (d->props.rc.core.rc_codes)
+ d->props.rc.mode = DVB_RC_CORE;
+ else
return 0;
usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
@@ -177,39 +276,19 @@ int dvb_usb_remote_init(struct dvb_usb_device *d)
input_dev->phys = d->rc_phys;
usb_to_input_id(d->udev, &input_dev->id);
input_dev->dev.parent = &d->udev->dev;
- input_dev->getkeycode = dvb_usb_getkeycode;
- input_dev->setkeycode = dvb_usb_setkeycode;
-
- /* set the bits for the keys */
- deb_rc("key map size: %d\n", d->props.rc.legacy.rc_key_map_size);
- for (i = 0; i < d->props.rc.legacy.rc_key_map_size; i++) {
- deb_rc("setting bit for event %d item %d\n",
- d->props.rc.legacy.rc_key_map[i].keycode, i);
- set_bit(d->props.rc.legacy.rc_key_map[i].keycode, input_dev->keybit);
- }
/* Start the remote-control polling. */
if (d->props.rc.legacy.rc_interval < 40)
d->props.rc.legacy.rc_interval = 100; /* default */
- /* setting these two values to non-zero, we have to manage key repeats */
- input_dev->rep[REP_PERIOD] = d->props.rc.legacy.rc_interval;
- input_dev->rep[REP_DELAY] = d->props.rc.legacy.rc_interval + 150;
-
- input_set_drvdata(input_dev, d);
-
- err = input_register_device(input_dev);
- if (err) {
- input_free_device(input_dev);
- return err;
- }
-
d->rc_input_dev = input_dev;
- INIT_DELAYED_WORK(&d->rc_query_work, dvb_usb_read_remote_control);
-
- info("schedule remote query interval to %d msecs.", d->props.rc.legacy.rc_interval);
- schedule_delayed_work(&d->rc_query_work,msecs_to_jiffies(d->props.rc.legacy.rc_interval));
+ if (d->props.rc.mode == DVB_RC_LEGACY)
+ err = legacy_dvb_usb_remote_init(d, input_dev);
+ else
+ err = rc_core_dvb_usb_remote_init(d, input_dev);
+ if (err)
+ return err;
d->state |= DVB_USB_STATE_REMOTE;
@@ -221,7 +300,10 @@ int dvb_usb_remote_exit(struct dvb_usb_device *d)
if (d->state & DVB_USB_STATE_REMOTE) {
cancel_rearming_delayed_work(&d->rc_query_work);
flush_scheduled_work();
- input_unregister_device(d->rc_input_dev);
+ if (d->props.rc.mode == DVB_RC_LEGACY)
+ input_unregister_device(d->rc_input_dev);
+ else
+ ir_input_unregister(d->rc_input_dev);
}
d->state &= ~DVB_USB_STATE_REMOTE;
return 0;
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h
index 76f9724..bcfbf9a 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -14,7 +14,7 @@
#include <linux/usb.h>
#include <linux/firmware.h>
#include <linux/mutex.h>
-#include <media/rc-map.h>
+#include <media/ir-core.h>
#include "dvb_frontend.h"
#include "dvb_demux.h"
@@ -177,6 +177,34 @@ struct dvb_rc_legacy {
};
/**
+ * struct dvb_rc properties of remote controller, using rc-core
+ * @rc_codes: name of rc codes table
+ * @rc_query: called to query an event event.
+ * @rc_interval: time in ms between two queries.
+ * @rc_props: remote controller properties
+ * @bulk_mode: device supports bulk mode for RC (disable polling mode)
+ */
+struct dvb_rc {
+ char *rc_codes;
+ char *module_name;
+ int (*rc_query) (struct dvb_usb_device *d);
+ int rc_interval;
+ struct ir_dev_props rc_props;
+ bool bulk_mode; /* uses bulk mode */
+};
+
+/**
+ * enum dvb_usb_mode - Specifies if it is using a legacy driver or a new one
+ * based on rc-core
+ * This is initialized/used only inside dvb-usb-remote.c.
+ * It shouldn't be set by the drivers.
+ */
+enum dvb_usb_mode {
+ DVB_RC_LEGACY,
+ DVB_RC_CORE,
+};
+
+/**
* struct dvb_usb_device_properties - properties of a dvb-usb-device
* @usb_ctrl: which USB device-side controller is in use. Needed for firmware
* download.
@@ -238,8 +266,10 @@ struct dvb_usb_device_properties {
int (*identify_state) (struct usb_device *, struct dvb_usb_device_properties *,
struct dvb_usb_device_description **, int *);
- union {
+ struct {
+ enum dvb_usb_mode mode; /* Drivers shouldn't touch on it */
struct dvb_rc_legacy legacy;
+ struct dvb_rc core;
} rc;
struct i2c_algorithm *i2c_algo;
--
1.7.1
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