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path: root/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb-remote.c')
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-remote.c207
1 files changed, 124 insertions, 83 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
index b579fed3ab3f..b2b9415d874d 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
@@ -8,60 +8,71 @@
#include "dvb-usb-common.h"
#include <linux/usb/input.h>
-static int legacy_dvb_usb_getkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int *keycode)
+static unsigned int
+legacy_dvb_usb_get_keymap_index(const struct input_keymap_entry *ke,
+ struct rc_map_table *keymap,
+ unsigned int keymap_size)
{
- struct dvb_usb_device *d = input_get_drvdata(dev);
-
- struct ir_scancode *keymap = d->props.rc.legacy.rc_key_map;
- int i;
-
- /* See if we can match the raw key code. */
- for (i = 0; i < d->props.rc.legacy.rc_key_map_size; i++)
- if (keymap[i].scancode == scancode) {
- *keycode = keymap[i].keycode;
- return 0;
- }
+ unsigned int index;
+ unsigned int scancode;
+
+ if (ke->flags & INPUT_KEYMAP_BY_INDEX) {
+ index = ke->index;
+ } else {
+ if (input_scancode_to_scalar(ke, &scancode))
+ return keymap_size;
+
+ /* See if we can match the raw key code. */
+ for (index = 0; index < keymap_size; index++)
+ if (keymap[index].scancode == scancode)
+ break;
- /*
- * If is there extra space, returns KEY_RESERVED,
- * 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++)
- if (keymap[i].keycode == KEY_RESERVED ||
- keymap[i].keycode == KEY_UNKNOWN) {
- *keycode = KEY_RESERVED;
- return 0;
+ /* See if there is an unused hole in the map */
+ if (index >= keymap_size) {
+ for (index = 0; index < keymap_size; index++) {
+ if (keymap[index].keycode == KEY_RESERVED ||
+ keymap[index].keycode == KEY_UNKNOWN) {
+ break;
+ }
+ }
}
+ }
- return -EINVAL;
+ return index;
}
-static int legacy_dvb_usb_setkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int keycode)
+static int legacy_dvb_usb_getkeycode(struct input_dev *dev,
+ struct input_keymap_entry *ke)
{
struct dvb_usb_device *d = input_get_drvdata(dev);
+ struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table;
+ unsigned int keymap_size = d->props.rc.legacy.rc_map_size;
+ unsigned int index;
- struct ir_scancode *keymap = d->props.rc.legacy.rc_key_map;
- int i;
+ index = legacy_dvb_usb_get_keymap_index(ke, keymap, keymap_size);
+ if (index >= keymap_size)
+ return -EINVAL;
- /* Search if it is replacing an existing keycode */
- for (i = 0; i < d->props.rc.legacy.rc_key_map_size; i++)
- if (keymap[i].scancode == scancode) {
- keymap[i].keycode = keycode;
- return 0;
- }
+ ke->keycode = keymap[index].keycode;
+ if (ke->keycode == KEY_UNKNOWN)
+ ke->keycode = KEY_RESERVED;
+ ke->len = sizeof(keymap[index].scancode);
+ memcpy(&ke->scancode, &keymap[index].scancode, ke->len);
+ ke->index = index;
- /* Search if is there a clean entry. If so, use it */
- for (i = 0; i < d->props.rc.legacy.rc_key_map_size; i++)
- if (keymap[i].keycode == KEY_RESERVED ||
- keymap[i].keycode == KEY_UNKNOWN) {
- keymap[i].scancode = scancode;
- keymap[i].keycode = keycode;
- return 0;
- }
+ return 0;
+}
+
+static int legacy_dvb_usb_setkeycode(struct input_dev *dev,
+ const struct input_keymap_entry *ke,
+ unsigned int *old_keycode)
+{
+ struct dvb_usb_device *d = input_get_drvdata(dev);
+ struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table;
+ unsigned int keymap_size = d->props.rc.legacy.rc_map_size;
+ unsigned int index;
+ index = legacy_dvb_usb_get_keymap_index(ke, keymap, keymap_size);
/*
* FIXME: Currently, it is not possible to increase the size of
* scancode table. For it to happen, one possibility
@@ -69,8 +80,24 @@ static int legacy_dvb_usb_setkeycode(struct input_dev *dev,
* copying data, appending the new key on it, and freeing
* the old one - or maybe just allocating some spare space
*/
+ if (index >= keymap_size)
+ return -EINVAL;
+
+ *old_keycode = keymap[index].keycode;
+ keymap->keycode = ke->keycode;
+ __set_bit(ke->keycode, dev->keybit);
+
+ if (*old_keycode != KEY_RESERVED) {
+ __clear_bit(*old_keycode, dev->keybit);
+ for (index = 0; index < keymap_size; index++) {
+ if (keymap[index].keycode == *old_keycode) {
+ __set_bit(*old_keycode, dev->keybit);
+ break;
+ }
+ }
+ }
- return -EINVAL;
+ return 0;
}
/* Remote-control poll function - called every dib->rc_query_interval ms to see
@@ -106,10 +133,10 @@ static void legacy_dvb_usb_read_remote_control(struct work_struct *work)
d->last_event = event;
case REMOTE_KEY_REPEAT:
deb_rc("key repeated\n");
- input_event(d->rc_input_dev, EV_KEY, event, 1);
- input_sync(d->rc_input_dev);
- input_event(d->rc_input_dev, EV_KEY, d->last_event, 0);
- input_sync(d->rc_input_dev);
+ input_event(d->input_dev, EV_KEY, event, 1);
+ input_sync(d->input_dev);
+ input_event(d->input_dev, EV_KEY, d->last_event, 0);
+ input_sync(d->input_dev);
break;
default:
break;
@@ -154,20 +181,32 @@ 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)
+static int legacy_dvb_usb_remote_init(struct dvb_usb_device *d)
{
int i, err, rc_interval;
+ struct input_dev *input_dev;
+
+ input_dev = input_allocate_device();
+ if (!input_dev)
+ return -ENOMEM;
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY);
+ input_dev->name = "IR-receiver inside an USB DVB receiver";
+ input_dev->phys = d->rc_phys;
+ usb_to_input_id(d->udev, &input_dev->id);
+ input_dev->dev.parent = &d->udev->dev;
+ d->input_dev = input_dev;
+ d->rc_dev = NULL;
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("key map size: %d\n", d->props.rc.legacy.rc_map_size);
+ for (i = 0; i < d->props.rc.legacy.rc_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);
+ d->props.rc.legacy.rc_map_table[i].keycode, i);
+ set_bit(d->props.rc.legacy.rc_map_table[i].keycode, input_dev->keybit);
}
/* setting these two values to non-zero, we have to manage key repeats */
@@ -221,18 +260,34 @@ static void dvb_usb_read_remote_control(struct work_struct *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)
+static int rc_core_dvb_usb_remote_init(struct dvb_usb_device *d)
{
int err, rc_interval;
+ struct rc_dev *dev;
+
+ dev = rc_allocate_device();
+ if (!dev)
+ return -ENOMEM;
- 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)
+ dev->driver_name = d->props.rc.core.module_name;
+ dev->map_name = d->props.rc.core.rc_codes;
+ dev->change_protocol = d->props.rc.core.change_protocol;
+ dev->allowed_protos = d->props.rc.core.allowed_protos;
+ dev->driver_type = RC_DRIVER_SCANCODE;
+ usb_to_input_id(d->udev, &dev->input_id);
+ dev->input_name = "IR-receiver inside an USB DVB receiver";
+ dev->input_phys = d->rc_phys;
+ dev->dev.parent = &d->udev->dev;
+ dev->priv = d;
+
+ err = rc_register_device(dev);
+ if (err < 0) {
+ rc_free_device(dev);
return err;
+ }
+
+ d->input_dev = NULL;
+ d->rc_dev = dev;
if (!d->props.rc.core.rc_query || d->props.rc.core.bulk_mode)
return 0;
@@ -251,13 +306,12 @@ static int rc_core_dvb_usb_remote_init(struct dvb_usb_device *d,
int dvb_usb_remote_init(struct dvb_usb_device *d)
{
- struct input_dev *input_dev;
int err;
if (dvb_usb_disable_rc_polling)
return 0;
- if (d->props.rc.legacy.rc_key_map && d->props.rc.legacy.rc_query)
+ if (d->props.rc.legacy.rc_map_table && 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;
@@ -267,26 +321,14 @@ int dvb_usb_remote_init(struct dvb_usb_device *d)
usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
- input_dev = input_allocate_device();
- if (!input_dev)
- return -ENOMEM;
-
- input_dev->evbit[0] = BIT_MASK(EV_KEY);
- input_dev->name = "IR-receiver inside an USB DVB receiver";
- input_dev->phys = d->rc_phys;
- usb_to_input_id(d->udev, &input_dev->id);
- input_dev->dev.parent = &d->udev->dev;
-
/* Start the remote-control polling. */
if (d->props.rc.legacy.rc_interval < 40)
d->props.rc.legacy.rc_interval = 100; /* default */
- d->rc_input_dev = input_dev;
-
if (d->props.rc.mode == DVB_RC_LEGACY)
- err = legacy_dvb_usb_remote_init(d, input_dev);
+ err = legacy_dvb_usb_remote_init(d);
else
- err = rc_core_dvb_usb_remote_init(d, input_dev);
+ err = rc_core_dvb_usb_remote_init(d);
if (err)
return err;
@@ -298,12 +340,11 @@ int dvb_usb_remote_init(struct dvb_usb_device *d)
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();
+ cancel_delayed_work_sync(&d->rc_query_work);
if (d->props.rc.mode == DVB_RC_LEGACY)
- input_unregister_device(d->rc_input_dev);
+ input_unregister_device(d->input_dev);
else
- ir_input_unregister(d->rc_input_dev);
+ rc_unregister_device(d->rc_dev);
}
d->state &= ~DVB_USB_STATE_REMOTE;
return 0;
@@ -316,7 +357,7 @@ int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *d,
u8 keybuf[5], u32 *event, int *state)
{
int i;
- struct ir_scancode *keymap = d->props.rc.legacy.rc_key_map;
+ struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table;
*event = 0;
*state = REMOTE_NO_KEY_PRESSED;
switch (keybuf[0]) {
@@ -329,7 +370,7 @@ int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *d,
break;
}
/* See if we can match the raw key code. */
- for (i = 0; i < d->props.rc.legacy.rc_key_map_size; i++)
+ for (i = 0; i < d->props.rc.legacy.rc_map_size; i++)
if (rc5_custom(&keymap[i]) == keybuf[1] &&
rc5_data(&keymap[i]) == keybuf[3]) {
*event = keymap[i].keycode;