diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb-remote.c')
-rw-r--r-- | drivers/media/dvb/dvb-usb/dvb-usb-remote.c | 207 |
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; |