linux/drivers/media/rc/ttusbir.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * TechnoTrend USB IR Receiver
 *
 * Copyright (C) 2012 Sean Young <[email protected]>
 */

#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb/input.h>
#include <linux/slab.h>
#include <linux/leds.h>
#include <media/rc-core.h>

#define DRIVER_NAME …
#define DRIVER_DESC …
/*
 * The Windows driver uses 8 URBS, the original lirc drivers has a
 * configurable amount (2 default, 4 max). This device generates about 125
 * messages per second (!), whether IR is idle or not.
 */
#define NUM_URBS …
#define US_PER_BYTE …
#define US_PER_BIT …

struct ttusbir { … };

static enum led_brightness ttusbir_brightness_get(struct led_classdev *led_dev)
{ … }

static void ttusbir_set_led(struct ttusbir *tt)
{ … }

static void ttusbir_brightness_set(struct led_classdev *led_dev, enum
						led_brightness brightness)
{ … }

/*
 * The urb cannot be reused until the urb completes
 */
static void ttusbir_bulk_complete(struct urb *urb)
{ … }

/*
 * The data is one bit per sample, a set bit signifying silence and samples
 * being MSB first. Bit 0 can contain garbage so take it to be whatever
 * bit 1 is, so we don't have unexpected edges.
 */
static void ttusbir_process_ir_data(struct ttusbir *tt, uint8_t *buf)
{ … }

static void ttusbir_urb_complete(struct urb *urb)
{ … }

static int ttusbir_probe(struct usb_interface *intf,
			 const struct usb_device_id *id)
{ … }

static void ttusbir_disconnect(struct usb_interface *intf)
{ … }

static int ttusbir_suspend(struct usb_interface *intf, pm_message_t message)
{ … }

static int ttusbir_resume(struct usb_interface *intf)
{ … }

static const struct usb_device_id ttusbir_table[] = …;

static struct usb_driver ttusbir_driver = …;

module_usb_driver(…) …;

MODULE_DESCRIPTION(…);
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;
MODULE_DEVICE_TABLE(usb, ttusbir_table);