linux/sound/drivers/mpu401/mpu401.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Driver for generic MPU-401 boards (UART mode only)
 *  Copyright (c) by Jaroslav Kysela <[email protected]>
 *  Copyright (c) 2004 by Castet Matthieu <[email protected]>
 */

#include <linux/init.h>
#include <linux/pnp.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/mpu401.h>
#include <sound/initval.h>

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

static int index[SNDRV_CARDS] = …; /* exclude the first card */
static char *id[SNDRV_CARDS] = …;	/* ID for this card */
static bool enable[SNDRV_CARDS] = …;	/* Enable this card */
#ifdef CONFIG_PNP
static bool pnp[SNDRV_CARDS] = …;
#endif
static long port[SNDRV_CARDS] = …;	/* MPU-401 port number */
static int irq[SNDRV_CARDS] = …;	/* MPU-401 IRQ */
static bool uart_enter[SNDRV_CARDS] = …;

module_param_array(…);
MODULE_PARM_DESC(…) …;
module_param_array(…);
MODULE_PARM_DESC(…) …;
module_param_array(…);
MODULE_PARM_DESC(…) …;
#ifdef CONFIG_PNP
module_param_array(…);
MODULE_PARM_DESC(…) …;
#endif
module_param_hw_array(port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(…) …;
module_param_hw_array(irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(…) …;
module_param_array(…);
MODULE_PARM_DESC(…) …;

static struct platform_device *platform_devices[SNDRV_CARDS];
static int pnp_registered;
static unsigned int snd_mpu401_devices;

static int snd_mpu401_create(struct device *devptr, int dev,
			     struct snd_card **rcard)
{ … }

static int snd_mpu401_probe(struct platform_device *devptr)
{ … }

#define SND_MPU401_DRIVER …

static struct platform_driver snd_mpu401_driver = …;


#ifdef CONFIG_PNP

#define IO_EXTENT …

static const struct pnp_device_id snd_mpu401_pnpids[] = …;

MODULE_DEVICE_TABLE(pnp, snd_mpu401_pnpids);

static int snd_mpu401_pnp(int dev, struct pnp_dev *device,
			  const struct pnp_device_id *id)
{ … }

static int snd_mpu401_pnp_probe(struct pnp_dev *pnp_dev,
				const struct pnp_device_id *id)
{ … }

static struct pnp_driver snd_mpu401_pnp_driver = …;
#else
static struct pnp_driver snd_mpu401_pnp_driver;
#endif

static void snd_mpu401_unregister_all(void)
{ … }

static int __init alsa_card_mpu401_init(void)
{ … }

static void __exit alsa_card_mpu401_exit(void)
{ … }

module_init(…) …
module_exit(…)