linux/drivers/media/radio/radio-rtrack2.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * RadioTrack II driver
 * Copyright 1998 Ben Pfaff
 *
 * Based on RadioTrack I/RadioReveal (C) 1997 M. Kirkwood
 * Converted to new API by Alan Cox <[email protected]>
 * Various bugfixes and enhancements by Russell Kroll <[email protected]>
 *
 * Converted to the radio-isa framework by Hans Verkuil <[email protected]>
 * Converted to V4L2 API by Mauro Carvalho Chehab <[email protected]>
 *
 * Fully tested with actual hardware and the v4l2-compliance tool.
 */

#include <linux/module.h>	/* Modules			*/
#include <linux/init.h>		/* Initdata			*/
#include <linux/ioport.h>	/* request_region		*/
#include <linux/delay.h>	/* udelay			*/
#include <linux/videodev2.h>	/* kernel radio structs		*/
#include <linux/mutex.h>
#include <linux/io.h>		/* outb, outb_p			*/
#include <linux/slab.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include "radio-isa.h"

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_VERSION(…) …;

#ifndef CONFIG_RADIO_RTRACK2_PORT
#define CONFIG_RADIO_RTRACK2_PORT …
#endif

#define RTRACK2_MAX …

static int io[RTRACK2_MAX] = …;
static int radio_nr[RTRACK2_MAX] = …;

module_param_array(…);
MODULE_PARM_DESC(…) …;
module_param_array(…);
MODULE_PARM_DESC(…) …;

static struct radio_isa_card *rtrack2_alloc(void)
{ … }

static void zero(struct radio_isa_card *isa)
{ … }

static void one(struct radio_isa_card *isa)
{ … }

static int rtrack2_s_frequency(struct radio_isa_card *isa, u32 freq)
{ … }

static u32 rtrack2_g_signal(struct radio_isa_card *isa)
{ … }

static int rtrack2_s_mute_volume(struct radio_isa_card *isa, bool mute, int vol)
{ … }

static const struct radio_isa_ops rtrack2_ops = …;

static const int rtrack2_ioports[] = …;

static struct radio_isa_driver rtrack2_driver = …;

static int __init rtrack2_init(void)
{ … }

static void __exit rtrack2_exit(void)
{ … }

module_init(…) …;
module_exit(rtrack2_exit);