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 | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c deleted file mode 100644 index c0c2c22ddd8..00000000000 --- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c +++ /dev/null @@ -1,198 +0,0 @@ -/* dvb-usb-remote.c is part of the DVB USB library. - * - * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de) - * see dvb-usb-init.c for copyright information. - * - * This file contains functions for initializing the input-device and for handling remote-control-queries. - */ -#include "dvb-usb-common.h" -#include <linux/usb/input.h> - -/* 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); - u32 event; - int state; - - /* 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 */ - if (dvb_usb_disable_rc_polling) - return; - - if (d->props.rc_query(d,&event,&state)) { - err("error while querying for an remote control event."); - goto schedule; - } - - - switch (state) { - case REMOTE_NO_KEY_PRESSED: - break; - case REMOTE_KEY_PRESSED: - deb_rc("key pressed\n"); - d->last_event = event; - case REMOTE_KEY_REPEAT: - deb_rc("key repeated\n"); - input_event(d->rc_input_dev, EV_KEY, event, 1); - input_event(d->rc_input_dev, EV_KEY, d->last_event, 0); - input_sync(d->rc_input_dev); - break; - default: - break; - } - -/* improved repeat handling ??? - switch (state) { - case REMOTE_NO_KEY_PRESSED: - deb_rc("NO KEY PRESSED\n"); - if (d->last_state != REMOTE_NO_KEY_PRESSED) { - deb_rc("releasing event %d\n",d->last_event); - input_event(d->rc_input_dev, EV_KEY, d->last_event, 0); - input_sync(d->rc_input_dev); - } - d->last_state = REMOTE_NO_KEY_PRESSED; - d->last_event = 0; - break; - case REMOTE_KEY_PRESSED: - deb_rc("KEY PRESSED\n"); - deb_rc("pressing event %d\n",event); - - input_event(d->rc_input_dev, EV_KEY, event, 1); - input_sync(d->rc_input_dev); - - d->last_event = event; - d->last_state = REMOTE_KEY_PRESSED; - break; - case REMOTE_KEY_REPEAT: - deb_rc("KEY_REPEAT\n"); - if (d->last_state != REMOTE_NO_KEY_PRESSED) { - deb_rc("repeating event %d\n",d->last_event); - input_event(d->rc_input_dev, EV_KEY, d->last_event, 2); - input_sync(d->rc_input_dev); - d->last_state = REMOTE_KEY_REPEAT; - } - default: - break; - } -*/ - -schedule: - schedule_delayed_work(&d->rc_query_work,msecs_to_jiffies(d->props.rc_interval)); -} - -int dvb_usb_remote_init(struct dvb_usb_device *d) -{ - struct input_dev *input_dev; - int i; - int err; - - if (d->props.rc_key_map == NULL || - d->props.rc_query == NULL || - dvb_usb_disable_rc_polling) - return 0; - - 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; - - /* set the bits for the keys */ - deb_rc("key map size: %d\n", d->props.rc_key_map_size); - for (i = 0; i < d->props.rc_key_map_size; i++) { - deb_rc("setting bit for event %d item %d\n", - d->props.rc_key_map[i].event, i); - set_bit(d->props.rc_key_map[i].event, input_dev->keybit); - } - - /* Start the remote-control polling. */ - if (d->props.rc_interval < 40) - d->props.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_interval; - input_dev->rep[REP_DELAY] = d->props.rc_interval + 150; - - 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_interval); - schedule_delayed_work(&d->rc_query_work,msecs_to_jiffies(d->props.rc_interval)); - - d->state |= DVB_USB_STATE_REMOTE; - - return 0; -} - -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); - } - d->state &= ~DVB_USB_STATE_REMOTE; - return 0; -} - -#define DVB_USB_RC_NEC_EMPTY 0x00 -#define DVB_USB_RC_NEC_KEY_PRESSED 0x01 -#define DVB_USB_RC_NEC_KEY_REPEATED 0x02 -int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *d, - u8 keybuf[5], u32 *event, int *state) -{ - int i; - struct dvb_usb_rc_key *keymap = d->props.rc_key_map; - *event = 0; - *state = REMOTE_NO_KEY_PRESSED; - switch (keybuf[0]) { - case DVB_USB_RC_NEC_EMPTY: - break; - case DVB_USB_RC_NEC_KEY_PRESSED: - if ((u8) ~keybuf[1] != keybuf[2] || - (u8) ~keybuf[3] != keybuf[4]) { - deb_err("remote control checksum failed.\n"); - break; - } - /* See if we can match the raw key code. */ - for (i = 0; i < d->props.rc_key_map_size; i++) - if (keymap[i].custom == keybuf[1] && - keymap[i].data == keybuf[3]) { - *event = keymap[i].event; - *state = REMOTE_KEY_PRESSED; - return 0; - } - deb_err("key mapping failed - no appropriate key found in keymapping\n"); - break; - case DVB_USB_RC_NEC_KEY_REPEATED: - *state = REMOTE_KEY_REPEAT; - break; - default: - deb_err("unkown type of remote status: %d\n",keybuf[0]); - break; - } - return 0; -} -EXPORT_SYMBOL(dvb_usb_nec_rc_key_to_event); |