[linux-block.git] / sound / isa / ad1848 / ad1848.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
 *  Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
 *                   Jaroslav Kysela <perex@perex.cz>
 *  Based on card-4232.c by Jaroslav Kysela <perex@perex.cz>
 */

#include <linux/init.h>
#include <linux/err.h>
#include <linux/isa.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/wss.h>
#include <sound/initval.h>

#define CRD_NAME "Generic AD1848/AD1847/CS4248"
#define DEV_NAME "ad1848"

MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
	        "{Analog Devices,AD1847},"
		"{Crystal Semiconductors,CS4248}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* PnP setup */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 0,1,3,5,6,7 */
static bool thinkpad[SNDRV_CARDS];			/* Thinkpad special case */

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);
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(irq, int, irq, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_hw_array(dma1, int, dma, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
module_param_array(thinkpad, bool, NULL, 0444);
MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");

static int snd_ad1848_match(struct device *dev, unsigned int n)
{
	if (!enable[n])
		return 0;

	if (port[n] == SNDRV_AUTO_PORT) {
		dev_err(dev, "please specify port\n");
		return 0;
	}
	if (irq[n] == SNDRV_AUTO_IRQ) {
		dev_err(dev, "please specify irq\n");
		return 0;	
	}
	if (dma1[n] == SNDRV_AUTO_DMA) {
		dev_err(dev, "please specify dma1\n");
		return 0;
	}
	return 1;
}

static int snd_ad1848_probe(struct device *dev, unsigned int n)
{
	struct snd_card *card;
	struct snd_wss *chip;
	int error;

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

	error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], -1,
			thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT,
			0, &chip);
	if (error < 0)
		goto out;

	card->private_data = chip;

	error = snd_wss_pcm(chip, 0);
	if (error < 0)
		goto out;

	error = snd_wss_mixer(chip);
	if (error < 0)
		goto out;

	strlcpy(card->driver, "AD1848", sizeof(card->driver));
	strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));

	if (!thinkpad[n])
		snprintf(card->longname, sizeof(card->longname),
			 "%s at 0x%lx, irq %d, dma %d",
			 chip->pcm->name, chip->port, irq[n], dma1[n]);
	else
		snprintf(card->longname, sizeof(card->longname),
			 "%s at 0x%lx, irq %d, dma %d [Thinkpad]",
			 chip->pcm->name, chip->port, irq[n], dma1[n]);

	error = snd_card_register(card);
	if (error < 0)
		goto out;

	dev_set_drvdata(dev, card);
	return 0;

out:	snd_card_free(card);
	return error;
}

static int snd_ad1848_remove(struct device *dev, unsigned int n)
{
	snd_card_free(dev_get_drvdata(dev));
	return 0;
}

#ifdef CONFIG_PM
static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_wss *chip = card->private_data;

	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	chip->suspend(chip);
	return 0;
}

static int snd_ad1848_resume(struct device *dev, unsigned int n)
{
	struct snd_card *card = dev_get_drvdata(dev);
	struct snd_wss *chip = card->private_data;

	chip->resume(chip);
	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
}
#endif

static struct isa_driver snd_ad1848_driver = {
	.match		= snd_ad1848_match,
	.probe		= snd_ad1848_probe,
	.remove		= snd_ad1848_remove,
#ifdef CONFIG_PM
	.suspend	= snd_ad1848_suspend,
	.resume		= snd_ad1848_resume,
#endif
	.driver		= {
		.name	= DEV_NAME
	}
};

module_isa_driver(snd_ad1848_driver, SNDRV_CARDS);
Commit	Line	Data
1a59d1b8	1	// SPDX-License-Identifier: GPL-2.0-or-later
1da177e4 LT	2	/*
	3	* Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha)
	4	* Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>,
c1017a4c JK	5	* Jaroslav Kysela <perex@perex.cz>
c1017a4c JK	6	* Based on card-4232.c by Jaroslav Kysela <perex@perex.cz>
1da177e4 LT	7	*/
1da177e4 LT	8
1da177e4	9	#include <linux/init.h>
68668845	10	#include <linux/err.h>
e2759e33	11	#include <linux/isa.h>
1da177e4 LT	12	#include <linux/time.h>
1da177e4 LT	13	#include <linux/wait.h>
65a77217	14	#include <linux/module.h>
1da177e4	15	#include <sound/core.h>
760fc6b8	16	#include <sound/wss.h>
1da177e4 LT	17	#include <sound/initval.h>
1da177e4 LT	18
e2759e33 RH	19	#define CRD_NAME "Generic AD1848/AD1847/CS4248"
	20	#define DEV_NAME "ad1848"
	21
	22	MODULE_DESCRIPTION(CRD_NAME);
c1017a4c	23	MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>");
1da177e4 LT	24	MODULE_LICENSE("GPL");
	25	MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
	26	"{Analog Devices,AD1847},"
	27	"{Crystal Semiconductors,CS4248}}");
	28
	29	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	30	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
a67ff6a5	31	static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
1da177e4 LT	32	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
	33	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
	34	static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
a67ff6a5	35	static bool thinkpad[SNDRV_CARDS]; /* Thinkpad special case */
1da177e4 LT	36
1da177e4 LT	37	module_param_array(index, int, NULL, 0444);
e2759e33	38	MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
1da177e4	39	module_param_array(id, charp, NULL, 0444);
e2759e33	40	MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
1da177e4	41	module_param_array(enable, bool, NULL, 0444);
e2759e33	42	MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
e992ef57	43	module_param_hw_array(port, long, ioport, NULL, 0444);
e2759e33	44	MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
e992ef57	45	module_param_hw_array(irq, int, irq, NULL, 0444);
e2759e33	46	MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
e992ef57	47	module_param_hw_array(dma1, int, dma, NULL, 0444);
e2759e33	48	MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
1da177e4 LT	49	module_param_array(thinkpad, bool, NULL, 0444);
	50	MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
	51
1bff292e	52	static int snd_ad1848_match(struct device *dev, unsigned int n)
e2759e33 RH	53	{
	54	if (!enable[n])
	55	return 0;
f7a9275d	56
e2759e33	57	if (port[n] == SNDRV_AUTO_PORT) {
0418ff0c	58	dev_err(dev, "please specify port\n");
e2759e33 RH	59	return 0;
	60	}
	61	if (irq[n] == SNDRV_AUTO_IRQ) {
0418ff0c	62	dev_err(dev, "please specify irq\n");
e2759e33 RH	63	return 0;
	64	}
	65	if (dma1[n] == SNDRV_AUTO_DMA) {
0418ff0c	66	dev_err(dev, "please specify dma1\n");
e2759e33 RH	67	return 0;
	68	}
	69	return 1;
	70	}
1da177e4	71
1bff292e	72	static int snd_ad1848_probe(struct device *dev, unsigned int n)
1da177e4	73	{
c8ff6647	74	struct snd_card *card;
241b3ee7	75	struct snd_wss *chip;
e2759e33	76	int error;
1da177e4	77
4323cc4d	78	error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
c95eadd2 TI	79	if (error < 0)
c95eadd2 TI	80	return error;
1da177e4	81
760fc6b8 KH	82	error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], -1,
	83	thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT,
	84	0, &chip);
e2759e33 RH	85	if (error < 0)
e2759e33 RH	86	goto out;
1da177e4	87
68668845	88	card->private_data = chip;
43bcd973	89
fa60c065	90	error = snd_wss_pcm(chip, 0);
e2759e33 RH	91	if (error < 0)
e2759e33 RH	92	goto out;
43bcd973	93
5664daa1	94	error = snd_wss_mixer(chip);
e2759e33 RH	95	if (error < 0)
e2759e33 RH	96	goto out;
1da177e4	97
003d3e70 AB	98	strlcpy(card->driver, "AD1848", sizeof(card->driver));
	99	strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
	100
	101	if (!thinkpad[n])
	102	snprintf(card->longname, sizeof(card->longname),
	103	"%s at 0x%lx, irq %d, dma %d",
	104	chip->pcm->name, chip->port, irq[n], dma1[n]);
	105	else
	106	snprintf(card->longname, sizeof(card->longname),
	107	"%s at 0x%lx, irq %d, dma %d [Thinkpad]",
	108	chip->pcm->name, chip->port, irq[n], dma1[n]);
1da177e4	109
e2759e33 RH	110	error = snd_card_register(card);
	111	if (error < 0)
	112	goto out;
43bcd973	113
e2759e33	114	dev_set_drvdata(dev, card);
1da177e4	115	return 0;
43bcd973	116
e2759e33 RH	117	out: snd_card_free(card);
e2759e33 RH	118	return error;
1da177e4 LT	119	}
1da177e4 LT	120
1bff292e	121	static int snd_ad1848_remove(struct device *dev, unsigned int n)
68668845	122	{
e2759e33	123	snd_card_free(dev_get_drvdata(dev));
68668845 TI	124	return 0;
	125	}
	126
	127	#ifdef CONFIG_PM
e2759e33	128	static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state)
68668845	129	{
e2759e33	130	struct snd_card *card = dev_get_drvdata(dev);
241b3ee7	131	struct snd_wss *chip = card->private_data;
68668845 TI	132
	133	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
	134	chip->suspend(chip);
	135	return 0;
	136	}
	137
e2759e33	138	static int snd_ad1848_resume(struct device *dev, unsigned int n)
1da177e4	139	{
e2759e33	140	struct snd_card *card = dev_get_drvdata(dev);
241b3ee7	141	struct snd_wss *chip = card->private_data;
1da177e4	142
68668845 TI	143	chip->resume(chip);
	144	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	145	return 0;
	146	}
	147	#endif
	148
e2759e33 RH	149	static struct isa_driver snd_ad1848_driver = {
e2759e33 RH	150	.match = snd_ad1848_match,
68668845	151	.probe = snd_ad1848_probe,
1bff292e	152	.remove = snd_ad1848_remove,
68668845 TI	153	#ifdef CONFIG_PM
	154	.suspend = snd_ad1848_suspend,
	155	.resume = snd_ad1848_resume,
	156	#endif
	157	.driver = {
e2759e33 RH	158	.name = DEV_NAME
e2759e33 RH	159	}
68668845	160	};
1da177e4	161
d2fd147c	162	module_isa_driver(snd_ad1848_driver, SNDRV_CARDS);