[linux-block.git] / sound / isa / es1688 / es1688.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Driver for generic ESS AudioDrive ESx688 soundcards
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 */

#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/isapnp.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/module.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/es1688.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>

#define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
#define DEV_NAME "es1688"

MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
	        "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
	        "{ESS,ES688 AudioDrive,pnp:ESS6881},"
	        "{ESS,ES1688 AudioDrive,pnp:ESS1681}}");

MODULE_ALIAS("snd_es968");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
#ifdef CONFIG_PNP
static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
#endif
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* Usually 0x388 */
static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3 */

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
#ifdef CONFIG_PNP
module_param_array(isapnp, bool, NULL, 0444);
MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
#endif
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_hw_array(port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
module_param_hw_array(irq, int, irq, NULL, 0444);
module_param_hw_array(fm_port, long, ioport, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
module_param_hw_array(dma8, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");

#ifdef CONFIG_PNP
#define is_isapnp_selected(dev)		isapnp[dev]
#else
#define is_isapnp_selected(dev)		0
#endif

static int snd_es1688_match(struct device *dev, unsigned int n)
{
	return enable[n] && !is_isapnp_selected(n);
}

static int snd_es1688_legacy_create(struct snd_card *card,
				    struct device *dev, unsigned int n)
{
	struct snd_es1688 *chip = card->private_data;
	static long possible_ports[] = {0x220, 0x240, 0x260};
	static int possible_irqs[] = {5, 9, 10, 7, -1};
	static int possible_dmas[] = {1, 3, 0, -1};

	int i, error;

	if (irq[n] == SNDRV_AUTO_IRQ) {
		irq[n] = snd_legacy_find_free_irq(possible_irqs);
		if (irq[n] < 0) {
			dev_err(dev, "unable to find a free IRQ\n");
			return -EBUSY;
		}
	}
	if (dma8[n] == SNDRV_AUTO_DMA) {
		dma8[n] = snd_legacy_find_free_dma(possible_dmas);
		if (dma8[n] < 0) {
			dev_err(dev, "unable to find a free DMA\n");
			return -EBUSY;
		}
	}

	if (port[n] != SNDRV_AUTO_PORT)
		return snd_es1688_create(card, chip, port[n], mpu_port[n],
				irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);

	i = 0;
	do {
		port[n] = possible_ports[i];
		error = snd_es1688_create(card, chip, port[n], mpu_port[n],
				irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
	} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));

	return error;
}

static int snd_es1688_probe(struct snd_card *card, unsigned int n)
{
	struct snd_es1688 *chip = card->private_data;
	struct snd_opl3 *opl3;
	int error;

	error = snd_es1688_pcm(card, chip, 0);
	if (error < 0)
		return error;

	error = snd_es1688_mixer(card, chip);
	if (error < 0)
		return error;

	strlcpy(card->driver, "ES1688", sizeof(card->driver));
	strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
	snprintf(card->longname, sizeof(card->longname),
		"%s at 0x%lx, irq %i, dma %i", chip->pcm->name, chip->port,
		 chip->irq, chip->dma8);

	if (fm_port[n] == SNDRV_AUTO_PORT)
		fm_port[n] = port[n];	/* share the same port */

	if (fm_port[n] > 0) {
		if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
				OPL3_HW_OPL3, 0, &opl3) < 0)
			dev_warn(card->dev,
				 "opl3 not detected at 0x%lx\n", fm_port[n]);
		else {
			error =	snd_opl3_hwdep_new(opl3, 0, 1, NULL);
			if (error < 0)
				return error;
		}
	}

	if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
			chip->mpu_port > 0) {
		error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
				chip->mpu_port, 0,
				mpu_irq[n], NULL);
		if (error < 0)
			return error;
	}

	return snd_card_register(card);
}

static int snd_es1688_isa_probe(struct device *dev, unsigned int n)
{
	struct snd_card *card;
	int error;

	error = snd_card_new(dev, index[n], id[n], THIS_MODULE,
			     sizeof(struct snd_es1688), &card);
	if (error < 0)
		return error;

	error = snd_es1688_legacy_create(card, dev, n);
	if (error < 0)
		goto out;

	error = snd_es1688_probe(card, n);
	if (error < 0)
		goto out;

	dev_set_drvdata(dev, card);

	return 0;
out:
	snd_card_free(card);
	return error;
}

static int snd_es1688_isa_remove(struct device *dev, unsigned int n)
{
	snd_card_free(dev_get_drvdata(dev));
	return 0;
}

static struct isa_driver snd_es1688_driver = {
	.match		= snd_es1688_match,
	.probe		= snd_es1688_isa_probe,
	.remove		= snd_es1688_isa_remove,
#if 0	/* FIXME */
	.suspend	= snd_es1688_suspend,
	.resume		= snd_es1688_resume,
#endif
	.driver		= {
		.name	= DEV_NAME
	}
};

static int snd_es968_pnp_is_probed;

#ifdef CONFIG_PNP
static int snd_card_es968_pnp(struct snd_card *card, unsigned int n,
			      struct pnp_card_link *pcard,
			      const struct pnp_card_device_id *pid)
{
	struct snd_es1688 *chip = card->private_data;
	struct pnp_dev *pdev;
	int error;

	pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
	if (pdev == NULL)
		return -ENODEV;

	error = pnp_activate_dev(pdev);
	if (error < 0) {
		snd_printk(KERN_ERR "ES968 pnp configure failure\n");
		return error;
	}
	port[n] = pnp_port_start(pdev, 0);
	dma8[n] = pnp_dma(pdev, 0);
	irq[n] = pnp_irq(pdev, 0);

	return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n],
				 mpu_irq[n], dma8[n], ES1688_HW_AUTO);
}

static int snd_es968_pnp_detect(struct pnp_card_link *pcard,
				const struct pnp_card_device_id *pid)
{
	struct snd_card *card;
	static unsigned int dev;
	int error;

	if (snd_es968_pnp_is_probed)
		return -EBUSY;
	for ( ; dev < SNDRV_CARDS; dev++) {
		if (enable[dev] && isapnp[dev])
			break;
	}
	if (dev == SNDRV_CARDS)
		return -ENODEV;

	error = snd_card_new(&pcard->card->dev,
			     index[dev], id[dev], THIS_MODULE,
			     sizeof(struct snd_es1688), &card);
	if (error < 0)
		return error;

	error = snd_card_es968_pnp(card, dev, pcard, pid);
	if (error < 0) {
		snd_card_free(card);
		return error;
	}
	error = snd_es1688_probe(card, dev);
	if (error < 0)
		return error;
	pnp_set_card_drvdata(pcard, card);
	snd_es968_pnp_is_probed = 1;
	return 0;
}

static void snd_es968_pnp_remove(struct pnp_card_link *pcard)
{
	snd_card_free(pnp_get_card_drvdata(pcard));
	pnp_set_card_drvdata(pcard, NULL);
	snd_es968_pnp_is_probed = 0;
}

#ifdef CONFIG_PM
static int snd_es968_pnp_suspend(struct pnp_card_link *pcard,
				 pm_message_t state)
{
	struct snd_card *card = pnp_get_card_drvdata(pcard);

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	return 0;
}

static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
{
	struct snd_card *card = pnp_get_card_drvdata(pcard);
	struct snd_es1688 *chip = card->private_data;

	snd_es1688_reset(chip);
	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
}
#endif

static const struct pnp_card_device_id snd_es968_pnpids[] = {
	{ .id = "ESS0968", .devs = { { "@@@0968" }, } },
	{ .id = "ESS0968", .devs = { { "ESS0968" }, } },
	{ .id = "", } /* end */
};

MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);

static struct pnp_card_driver es968_pnpc_driver = {
	.flags		= PNP_DRIVER_RES_DISABLE,
	.name		= DEV_NAME " PnP",
	.id_table	= snd_es968_pnpids,
	.probe		= snd_es968_pnp_detect,
	.remove		= snd_es968_pnp_remove,
#ifdef CONFIG_PM
	.suspend	= snd_es968_pnp_suspend,
	.resume		= snd_es968_pnp_resume,
#endif
};
#endif

static int __init alsa_card_es1688_init(void)
{
#ifdef CONFIG_PNP
	pnp_register_card_driver(&es968_pnpc_driver);
	if (snd_es968_pnp_is_probed)
		return 0;
	pnp_unregister_card_driver(&es968_pnpc_driver);
#endif
	return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
}

static void __exit alsa_card_es1688_exit(void)
{
	if (!snd_es968_pnp_is_probed) {
		isa_unregister_driver(&snd_es1688_driver);
		return;
	}
#ifdef CONFIG_PNP
	pnp_unregister_card_driver(&es968_pnpc_driver);
#endif
}

module_init(alsa_card_es1688_init);
module_exit(alsa_card_es1688_exit);
Commit	Line	Data
1a59d1b8	1	// SPDX-License-Identifier: GPL-2.0-or-later
1da177e4 LT	2	/*
1da177e4 LT	3	* Driver for generic ESS AudioDrive ESx688 soundcards
c1017a4c	4	* Copyright (c) by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	5	*/
1da177e4 LT	6
1da177e4	7	#include <linux/init.h>
2a571ed1	8	#include <linux/err.h>
ae596186	9	#include <linux/isa.h>
a20971b2	10	#include <linux/isapnp.h>
1da177e4 LT	11	#include <linux/time.h>
1da177e4 LT	12	#include <linux/wait.h>
65a77217	13	#include <linux/module.h>
2a571ed1	14	#include <asm/dma.h>
1da177e4 LT	15	#include <sound/core.h>
	16	#include <sound/es1688.h>
	17	#include <sound/mpu401.h>
	18	#include <sound/opl3.h>
1da177e4 LT	19	#define SNDRV_LEGACY_FIND_FREE_IRQ
	20	#define SNDRV_LEGACY_FIND_FREE_DMA
	21	#include <sound/initval.h>
	22
ae596186 RH	23	#define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
	24	#define DEV_NAME "es1688"
	25
	26	MODULE_DESCRIPTION(CRD_NAME);
c1017a4c	27	MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	28	MODULE_LICENSE("GPL");
	29	MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
	30	"{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
	31	"{ESS,ES688 AudioDrive,pnp:ESS6881},"
	32	"{ESS,ES1688 AudioDrive,pnp:ESS1681}}");
	33
a20971b2 KH	34	MODULE_ALIAS("snd_es968");
a20971b2 KH	35
1da177e4 LT	36	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
1da177e4 LT	37	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
a20971b2	38	#ifdef CONFIG_PNP
a67ff6a5	39	static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
a20971b2	40	#endif
a67ff6a5	41	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
1da177e4	42	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
880abd42	43	static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */
1da177e4 LT	44	static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
	45	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
	46	static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
	47	static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
	48
	49	module_param_array(index, int, NULL, 0444);
ae596186	50	MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
1da177e4	51	module_param_array(id, charp, NULL, 0444);
ae596186	52	MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
1da177e4	53	module_param_array(enable, bool, NULL, 0444);
a20971b2 KH	54	#ifdef CONFIG_PNP
	55	module_param_array(isapnp, bool, NULL, 0444);
	56	MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
	57	#endif
ae596186	58	MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
e992ef57	59	module_param_hw_array(port, long, ioport, NULL, 0444);
ae596186	60	MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
e992ef57	61	module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
ae596186	62	MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
e992ef57 DH	63	module_param_hw_array(irq, int, irq, NULL, 0444);
e992ef57 DH	64	module_param_hw_array(fm_port, long, ioport, NULL, 0444);
880abd42	65	MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
ae596186	66	MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
e992ef57	67	module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
ae596186	68	MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
e992ef57	69	module_param_hw_array(dma8, int, dma, NULL, 0444);
ae596186	70	MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
f7a9275d	71
a20971b2 KH	72	#ifdef CONFIG_PNP
	73	#define is_isapnp_selected(dev) isapnp[dev]
	74	#else
	75	#define is_isapnp_selected(dev) 0
	76	#endif
	77
1bff292e	78	static int snd_es1688_match(struct device *dev, unsigned int n)
ae596186	79	{
a20971b2	80	return enable[n] && !is_isapnp_selected(n);
ae596186	81	}
1da177e4	82
1bff292e BP	83	static int snd_es1688_legacy_create(struct snd_card *card,
1bff292e BP	84	struct device *dev, unsigned int n)
1da177e4	85	{
a20971b2	86	struct snd_es1688 *chip = card->private_data;
019608b6	87	static long possible_ports[] = {0x220, 0x240, 0x260};
1da177e4 LT	88	static int possible_irqs[] = {5, 9, 10, 7, -1};
1da177e4 LT	89	static int possible_dmas[] = {1, 3, 0, -1};
ae596186	90
019608b6 RH	91	int i, error;
	92
	93	if (irq[n] == SNDRV_AUTO_IRQ) {
	94	irq[n] = snd_legacy_find_free_irq(possible_irqs);
	95	if (irq[n] < 0) {
0418ff0c	96	dev_err(dev, "unable to find a free IRQ\n");
019608b6 RH	97	return -EBUSY;
	98	}
	99	}
	100	if (dma8[n] == SNDRV_AUTO_DMA) {
	101	dma8[n] = snd_legacy_find_free_dma(possible_dmas);
	102	if (dma8[n] < 0) {
0418ff0c	103	dev_err(dev, "unable to find a free DMA\n");
019608b6 RH	104	return -EBUSY;
	105	}
	106	}
	107
	108	if (port[n] != SNDRV_AUTO_PORT)
396fa827 KH	109	return snd_es1688_create(card, chip, port[n], mpu_port[n],
396fa827 KH	110	irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
019608b6 RH	111
	112	i = 0;
	113	do {
	114	port[n] = possible_ports[i];
396fa827 KH	115	error = snd_es1688_create(card, chip, port[n], mpu_port[n],
396fa827 KH	116	irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
019608b6 RH	117	} while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
	118
	119	return error;
	120	}
	121
1bff292e	122	static int snd_es1688_probe(struct snd_card *card, unsigned int n)
019608b6	123	{
a20971b2	124	struct snd_es1688 *chip = card->private_data;
d3a7e476	125	struct snd_opl3 *opl3;
ae596186 RH	126	int error;
ae596186 RH	127
4b8ab885	128	error = snd_es1688_pcm(card, chip, 0);
ae596186	129	if (error < 0)
a20971b2	130	return error;
43bcd973	131
396fa827	132	error = snd_es1688_mixer(card, chip);
ae596186	133	if (error < 0)
a20971b2	134	return error;
1da177e4	135
b0fb75ad	136	strlcpy(card->driver, "ES1688", sizeof(card->driver));
4b8ab885	137	strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
b0fb75ad	138	snprintf(card->longname, sizeof(card->longname),
4b8ab885	139	"%s at 0x%lx, irq %i, dma %i", chip->pcm->name, chip->port,
b0fb75ad	140	chip->irq, chip->dma8);
1da177e4	141
880abd42 KH	142	if (fm_port[n] == SNDRV_AUTO_PORT)
	143	fm_port[n] = port[n]; /* share the same port */
	144
	145	if (fm_port[n] > 0) {
	146	if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
	147	OPL3_HW_OPL3, 0, &opl3) < 0)
a20971b2	148	dev_warn(card->dev,
880abd42 KH	149	"opl3 not detected at 0x%lx\n", fm_port[n]);
	150	else {
	151	error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
	152	if (error < 0)
a20971b2	153	return error;
880abd42	154	}
1da177e4 LT	155	}
1da177e4 LT	156
019608b6 RH	157	if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
	158	chip->mpu_port > 0) {
	159	error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
	160	chip->mpu_port, 0,
dba8b469	161	mpu_irq[n], NULL);
ae596186	162	if (error < 0)
a20971b2	163	return error;
1da177e4	164	}
43bcd973	165
a20971b2 KH	166	return snd_card_register(card);
	167	}
	168
1bff292e	169	static int snd_es1688_isa_probe(struct device *dev, unsigned int n)
a20971b2 KH	170	{
	171	struct snd_card *card;
	172	int error;
	173
4323cc4d TI	174	error = snd_card_new(dev, index[n], id[n], THIS_MODULE,
4323cc4d TI	175	sizeof(struct snd_es1688), &card);
a20971b2 KH	176	if (error < 0)
	177	return error;
	178
	179	error = snd_es1688_legacy_create(card, dev, n);
	180	if (error < 0)
	181	goto out;
	182
a20971b2	183	error = snd_es1688_probe(card, n);
ae596186 RH	184	if (error < 0)
ae596186 RH	185	goto out;
43bcd973	186
ae596186	187	dev_set_drvdata(dev, card);
1da177e4	188
a20971b2 KH	189	return 0;
	190	out:
	191	snd_card_free(card);
ae596186	192	return error;
1da177e4 LT	193	}
1da177e4 LT	194
1bff292e	195	static int snd_es1688_isa_remove(struct device *dev, unsigned int n)
1da177e4	196	{
ae596186	197	snd_card_free(dev_get_drvdata(dev));
2a571ed1	198	return 0;
1da177e4 LT	199	}
1da177e4 LT	200
ae596186 RH	201	static struct isa_driver snd_es1688_driver = {
ae596186 RH	202	.match = snd_es1688_match,
a20971b2	203	.probe = snd_es1688_isa_probe,
1bff292e	204	.remove = snd_es1688_isa_remove,
ae596186 RH	205	#if 0 /* FIXME */
	206	.suspend = snd_es1688_suspend,
	207	.resume = snd_es1688_resume,
	208	#endif
2a571ed1	209	.driver = {
ae596186 RH	210	.name = DEV_NAME
ae596186 RH	211	}
2a571ed1 TI	212	};
2a571ed1 TI	213
a20971b2 KH	214	static int snd_es968_pnp_is_probed;
	215
	216	#ifdef CONFIG_PNP
1bff292e BP	217	static int snd_card_es968_pnp(struct snd_card *card, unsigned int n,
	218	struct pnp_card_link *pcard,
	219	const struct pnp_card_device_id *pid)
a20971b2 KH	220	{
	221	struct snd_es1688 *chip = card->private_data;
	222	struct pnp_dev *pdev;
	223	int error;
	224
	225	pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
	226	if (pdev == NULL)
	227	return -ENODEV;
	228
	229	error = pnp_activate_dev(pdev);
	230	if (error < 0) {
	231	snd_printk(KERN_ERR "ES968 pnp configure failure\n");
	232	return error;
	233	}
	234	port[n] = pnp_port_start(pdev, 0);
	235	dma8[n] = pnp_dma(pdev, 0);
	236	irq[n] = pnp_irq(pdev, 0);
	237
	238	return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n],
	239	mpu_irq[n], dma8[n], ES1688_HW_AUTO);
	240	}
	241
1bff292e BP	242	static int snd_es968_pnp_detect(struct pnp_card_link *pcard,
1bff292e BP	243	const struct pnp_card_device_id *pid)
a20971b2 KH	244	{
	245	struct snd_card *card;
	246	static unsigned int dev;
	247	int error;
a20971b2 KH	248
	249	if (snd_es968_pnp_is_probed)
	250	return -EBUSY;
	251	for ( ; dev < SNDRV_CARDS; dev++) {
	252	if (enable[dev] && isapnp[dev])
	253	break;
	254	}
b0fb75ad DC	255	if (dev == SNDRV_CARDS)
b0fb75ad DC	256	return -ENODEV;
a20971b2	257
4323cc4d TI	258	error = snd_card_new(&pcard->card->dev,
	259	index[dev], id[dev], THIS_MODULE,
	260	sizeof(struct snd_es1688), &card);
a20971b2 KH	261	if (error < 0)
a20971b2 KH	262	return error;
a20971b2 KH	263
	264	error = snd_card_es968_pnp(card, dev, pcard, pid);
	265	if (error < 0) {
	266	snd_card_free(card);
	267	return error;
	268	}
a20971b2 KH	269	error = snd_es1688_probe(card, dev);
	270	if (error < 0)
	271	return error;
	272	pnp_set_card_drvdata(pcard, card);
	273	snd_es968_pnp_is_probed = 1;
	274	return 0;
	275	}
	276
1bff292e	277	static void snd_es968_pnp_remove(struct pnp_card_link *pcard)
a20971b2 KH	278	{
	279	snd_card_free(pnp_get_card_drvdata(pcard));
	280	pnp_set_card_drvdata(pcard, NULL);
	281	snd_es968_pnp_is_probed = 0;
	282	}
	283
	284	#ifdef CONFIG_PM
	285	static int snd_es968_pnp_suspend(struct pnp_card_link *pcard,
	286	pm_message_t state)
	287	{
	288	struct snd_card *card = pnp_get_card_drvdata(pcard);
a20971b2 KH	289
a20971b2 KH	290	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
a20971b2 KH	291	return 0;
	292	}
	293
	294	static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
	295	{
	296	struct snd_card *card = pnp_get_card_drvdata(pcard);
	297	struct snd_es1688 *chip = card->private_data;
	298
	299	snd_es1688_reset(chip);
	300	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	301	return 0;
	302	}
	303	#endif
	304
4f624a1c	305	static const struct pnp_card_device_id snd_es968_pnpids[] = {
a20971b2 KH	306	{ .id = "ESS0968", .devs = { { "@@@0968" }, } },
	307	{ .id = "ESS0968", .devs = { { "ESS0968" }, } },
	308	{ .id = "", } /* end */
	309	};
	310
	311	MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
	312
	313	static struct pnp_card_driver es968_pnpc_driver = {
	314	.flags = PNP_DRIVER_RES_DISABLE,
	315	.name = DEV_NAME " PnP",
	316	.id_table = snd_es968_pnpids,
	317	.probe = snd_es968_pnp_detect,
1bff292e	318	.remove = snd_es968_pnp_remove,
a20971b2 KH	319	#ifdef CONFIG_PM
	320	.suspend = snd_es968_pnp_suspend,
	321	.resume = snd_es968_pnp_resume,
	322	#endif
	323	};
	324	#endif
	325
1da177e4 LT	326	static int __init alsa_card_es1688_init(void)
1da177e4 LT	327	{
a20971b2 KH	328	#ifdef CONFIG_PNP
	329	pnp_register_card_driver(&es968_pnpc_driver);
	330	if (snd_es968_pnp_is_probed)
	331	return 0;
	332	pnp_unregister_card_driver(&es968_pnpc_driver);
	333	#endif
ae596186	334	return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
1da177e4 LT	335	}
	336
	337	static void __exit alsa_card_es1688_exit(void)
	338	{
a20971b2 KH	339	if (!snd_es968_pnp_is_probed) {
	340	isa_unregister_driver(&snd_es1688_driver);
	341	return;
	342	}
	343	#ifdef CONFIG_PNP
	344	pnp_unregister_card_driver(&es968_pnpc_driver);
	345	#endif
1da177e4 LT	346	}
1da177e4 LT	347
ae596186 RH	348	module_init(alsa_card_es1688_init);
ae596186 RH	349	module_exit(alsa_card_es1688_exit);