[linux.git] / sound / oss / sb_card.c

/*
 * sound/oss/sb_card.c
 *
 * Detection routine for the ISA Sound Blaster and compatable sound
 * cards.
 *
 * This file is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
 * Version 2 (June 1991). See the "COPYING" file distributed with this
 * software for more info.
 *
 * This is a complete rewrite of the detection routines. This was
 * prompted by the PnP API change during v2.5 and the ugly state the
 * code was in.
 *
 * Copyright (C) by Paul Laufer 2002. Based on code originally by
 * Hannu Savolainen which was modified by many others over the
 * years. Authors specifically mentioned in the previous version were:
 * Daniel Stone, Alessandro Zummo, Jeff Garzik, Arnaldo Carvalho de
 * Melo, Daniel Church, and myself.
 *
 * 02-05-2003 Original Release, Paul Laufer <[email protected]>
 * 02-07-2003 Bug made it into first release. Take two.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include "sound_config.h"
#include "sb_mixer.h"
#include "sb.h"
#ifdef CONFIG_PNP
#include <linux/pnp.h>
#endif /* CONFIG_PNP */
#include "sb_card.h"

MODULE_DESCRIPTION("OSS Soundblaster ISA PnP and legacy sound driver");
MODULE_LICENSE("GPL");

extern void *smw_free;

static int __initdata mpu_io	= 0;
static int __initdata io	= -1;
static int __initdata irq	= -1;
static int __initdata dma	= -1;
static int __initdata dma16	= -1;
static int __initdata type	= 0; /* Can set this to a specific card type */
static int __initdata esstype   = 0; /* ESS chip type */
static int __initdata acer 	= 0; /* Do acer notebook init? */
static int __initdata sm_games 	= 0; /* Logitech soundman games? */

static struct sb_card_config *legacy = NULL;

#ifdef CONFIG_PNP
static int pnp_registered;
static int __initdata pnp       = 1;
/*
static int __initdata uart401	= 0;
*/
#else
static int __initdata pnp       = 0;
#endif

module_param(io, int, 000);
MODULE_PARM_DESC(io,       "Soundblaster i/o base address (0x220,0x240,0x260,0x280)");
module_param(irq, int, 000);
MODULE_PARM_DESC(irq,	   "IRQ (5,7,9,10)");
module_param(dma, int, 000);
MODULE_PARM_DESC(dma,	   "8-bit DMA channel (0,1,3)");
module_param(dma16, int, 000);
MODULE_PARM_DESC(dma16,	   "16-bit DMA channel (5,6,7)");
module_param(mpu_io, int, 000);
MODULE_PARM_DESC(mpu_io,   "MPU base address");
module_param(type, int, 000);
MODULE_PARM_DESC(type,	   "You can set this to specific card type (doesn't " \
		 "work with pnp)");
module_param(sm_games, int, 000);
MODULE_PARM_DESC(sm_games, "Enable support for Logitech soundman games " \
		 "(doesn't work with pnp)");
module_param(esstype, int, 000);
MODULE_PARM_DESC(esstype,  "ESS chip type (doesn't work with pnp)");
module_param(acer, int, 000);
MODULE_PARM_DESC(acer,	   "Set this to detect cards in some ACER notebooks "\
		 "(doesn't work with pnp)");

#ifdef CONFIG_PNP
module_param(pnp, int, 000);
MODULE_PARM_DESC(pnp,     "Went set to 0 will disable detection using PnP. "\
		  "Default is 1.\n");
/* Not done yet.... */
/*
module_param(uart401, int, 000);
MODULE_PARM_DESC(uart401,  "When set to 1, will attempt to detect and enable"\
		 "the mpu on some clones");
*/
#endif /* CONFIG_PNP */

/* OSS subsystem card registration shared by PnP and legacy routines */
static int sb_register_oss(struct sb_card_config *scc, struct sb_module_options *sbmo)
{
	if (!request_region(scc->conf.io_base, 16, "soundblaster")) {
		printk(KERN_ERR "sb: ports busy.\n");
		kfree(scc);
		return -EBUSY;
	}

	if (!sb_dsp_detect(&scc->conf, 0, 0, sbmo)) {
		release_region(scc->conf.io_base, 16);
		printk(KERN_ERR "sb: Failed DSP Detect.\n");
		kfree(scc);
		return -ENODEV;
	}
	if(!sb_dsp_init(&scc->conf, THIS_MODULE)) {
		printk(KERN_ERR "sb: Failed DSP init.\n");
		kfree(scc);
		return -ENODEV;
	}
	if(scc->mpucnf.io_base > 0) {
		scc->mpu = 1;
		printk(KERN_INFO "sb: Turning on MPU\n");
		if(!probe_sbmpu(&scc->mpucnf, THIS_MODULE))
			scc->mpu = 0;
	}

	return 1;
}

static void sb_unload(struct sb_card_config *scc)
{
	sb_dsp_unload(&scc->conf, 0);
	if(scc->mpu)
		unload_sbmpu(&scc->mpucnf);
	kfree(scc);
}

/* Register legacy card with OSS subsystem */
static int __init sb_init_legacy(void)
{
	struct sb_module_options sbmo = {0};

	if((legacy = kzalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
		printk(KERN_ERR "sb: Error: Could not allocate memory\n");
		return -ENOMEM;
	}

	legacy->conf.io_base      = io;
	legacy->conf.irq          = irq;
	legacy->conf.dma          = dma;
	legacy->conf.dma2         = dma16;
	legacy->conf.card_subtype = type;

	legacy->mpucnf.io_base = mpu_io;
	legacy->mpucnf.irq     = -1;
	legacy->mpucnf.dma     = -1;
	legacy->mpucnf.dma2    = -1;

	sbmo.esstype  = esstype;
	sbmo.sm_games = sm_games;
	sbmo.acer     = acer;

	return sb_register_oss(legacy, &sbmo);
}

#ifdef CONFIG_PNP

/* Populate the OSS subsystem structures with information from PnP */
static void sb_dev2cfg(struct pnp_dev *dev, struct sb_card_config *scc)
{
	scc->conf.io_base   = -1;
	scc->conf.irq       = -1;
	scc->conf.dma       = -1;
	scc->conf.dma2      = -1;
	scc->mpucnf.io_base = -1;
	scc->mpucnf.irq     = -1;
	scc->mpucnf.dma     = -1;
	scc->mpucnf.dma2    = -1;

	/* All clones layout their PnP tables differently and some use
	   different logical devices for the MPU */
	if(!strncmp("CTL",scc->card_id,3)) {
		scc->conf.io_base   = pnp_port_start(dev,0);
		scc->conf.irq       = pnp_irq(dev,0);
		scc->conf.dma       = pnp_dma(dev,0);
		scc->conf.dma2      = pnp_dma(dev,1);
		scc->mpucnf.io_base = pnp_port_start(dev,1);
		return;
	}
	if(!strncmp("tBA",scc->card_id,3)) {
		scc->conf.io_base   = pnp_port_start(dev,0);
		scc->conf.irq       = pnp_irq(dev,0);
		scc->conf.dma       = pnp_dma(dev,0);
		scc->conf.dma2      = pnp_dma(dev,1);
		return;
	}
	if(!strncmp("ESS",scc->card_id,3)) {
		scc->conf.io_base   = pnp_port_start(dev,0);
		scc->conf.irq       = pnp_irq(dev,0);
		scc->conf.dma       = pnp_dma(dev,0);
		scc->conf.dma2      = pnp_dma(dev,1);
	       	scc->mpucnf.io_base = pnp_port_start(dev,2);
		return;
	}
	if(!strncmp("CMI",scc->card_id,3)) {
		scc->conf.io_base = pnp_port_start(dev,0);
		scc->conf.irq     = pnp_irq(dev,0);
		scc->conf.dma     = pnp_dma(dev,0);
		scc->conf.dma2    = pnp_dma(dev,1);
		return;
	}
	if(!strncmp("RWB",scc->card_id,3)) {
		scc->conf.io_base = pnp_port_start(dev,0);
		scc->conf.irq     = pnp_irq(dev,0);
		scc->conf.dma     = pnp_dma(dev,0);
		return;
	}
	if(!strncmp("ALS",scc->card_id,3)) {
		if(!strncmp("ALS0007",scc->card_id,7)) {
			scc->conf.io_base = pnp_port_start(dev,0);
			scc->conf.irq     = pnp_irq(dev,0);
			scc->conf.dma     = pnp_dma(dev,0);
		} else {
			scc->conf.io_base = pnp_port_start(dev,0);
			scc->conf.irq     = pnp_irq(dev,0);
			scc->conf.dma     = pnp_dma(dev,1);
			scc->conf.dma2    = pnp_dma(dev,0);
		}
		return;
	}
	if(!strncmp("RTL",scc->card_id,3)) {
		scc->conf.io_base = pnp_port_start(dev,0);
		scc->conf.irq     = pnp_irq(dev,0);
		scc->conf.dma     = pnp_dma(dev,1);
		scc->conf.dma2    = pnp_dma(dev,0);
	}
}

static unsigned int sb_pnp_devices;

/* Probe callback function for the PnP API */
static int sb_pnp_probe(struct pnp_card_link *card, const struct pnp_card_device_id *card_id)
{
	struct sb_card_config *scc;
	struct sb_module_options sbmo = {0}; /* Default to 0 for PnP */
	struct pnp_dev *dev = pnp_request_card_device(card, card_id->devs[0].id, NULL);
	
	if(!dev){
		return -EBUSY;
	}

	if((scc = kzalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
		printk(KERN_ERR "sb: Error: Could not allocate memory\n");
		return -ENOMEM;
	}

	printk(KERN_INFO "sb: PnP: Found Card Named = \"%s\", Card PnP id = " \
	       "%s, Device PnP id = %s\n", card->card->name, card_id->id,
	       dev->id->id);

	scc->card_id = card_id->id;
	scc->dev_id = dev->id->id;
	sb_dev2cfg(dev, scc);

	printk(KERN_INFO "sb: PnP:      Detected at: io=0x%x, irq=%d, " \
	       "dma=%d, dma16=%d\n", scc->conf.io_base, scc->conf.irq,
	       scc->conf.dma, scc->conf.dma2);

	pnp_set_card_drvdata(card, scc);
	sb_pnp_devices++;

	return sb_register_oss(scc, &sbmo);
}

static void sb_pnp_remove(struct pnp_card_link *card)
{
	struct sb_card_config *scc = pnp_get_card_drvdata(card);

	if(!scc)
		return;

	printk(KERN_INFO "sb: PnP: Removing %s\n", scc->card_id);

	sb_unload(scc);
}

static struct pnp_card_driver sb_pnp_driver = {
	.name          = "OSS SndBlstr", /* 16 character limit */
	.id_table      = sb_pnp_card_table,
	.probe         = sb_pnp_probe,
	.remove        = sb_pnp_remove,
};
MODULE_DEVICE_TABLE(pnp_card, sb_pnp_card_table);
#endif /* CONFIG_PNP */

static void sb_unregister_all(void)
{
#ifdef CONFIG_PNP
	if (pnp_registered)
		pnp_unregister_card_driver(&sb_pnp_driver);
#endif
}

static int __init sb_init(void)
{
	int lres = 0;
	int pres = 0;

	printk(KERN_INFO "sb: Init: Starting Probe...\n");

	if(io != -1 && irq != -1 && dma != -1) {
		printk(KERN_INFO "sb: Probing legacy card with io=%x, "\
		       "irq=%d, dma=%d, dma16=%d\n",io, irq, dma, dma16);
		lres = sb_init_legacy();
	} else if((io != -1 || irq != -1 || dma != -1) ||
		  (!pnp && (io == -1 && irq == -1 && dma == -1)))
		printk(KERN_ERR "sb: Error: At least io, irq, and dma "\
		       "must be set for legacy cards.\n");

#ifdef CONFIG_PNP
	if(pnp) {
		int err = pnp_register_card_driver(&sb_pnp_driver);
		if (!err)
			pnp_registered = 1;
		pres = sb_pnp_devices;
	}
#endif
	printk(KERN_INFO "sb: Init: Done\n");

	/* If either PnP or Legacy registered a card then return
	 * success */
	if (pres == 0 && lres <= 0) {
		sb_unregister_all();
		return -ENODEV;
	}
	return 0;
}

static void __exit sb_exit(void)
{
	printk(KERN_INFO "sb: Unloading...\n");

	/* Unload legacy card */
	if (legacy) {
		printk (KERN_INFO "sb: Unloading legacy card\n");
		sb_unload(legacy);
	}

	sb_unregister_all();

	vfree(smw_free);
	smw_free = NULL;
}

module_init(sb_init);
module_exit(sb_exit);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* sound/oss/sb_card.c
	3	*
	4	* Detection routine for the ISA Sound Blaster and compatable sound
	5	* cards.
	6	*
	7	* This file is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
	8	* Version 2 (June 1991). See the "COPYING" file distributed with this
	9	* software for more info.
	10	*
	11	* This is a complete rewrite of the detection routines. This was
	12	* prompted by the PnP API change during v2.5 and the ugly state the
	13	* code was in.
	14	*
	15	* Copyright (C) by Paul Laufer 2002. Based on code originally by
	16	* Hannu Savolainen which was modified by many others over the
	17	* years. Authors specifically mentioned in the previous version were:
	18	* Daniel Stone, Alessandro Zummo, Jeff Garzik, Arnaldo Carvalho de
	19	* Melo, Daniel Church, and myself.
	20	*
	21	* 02-05-2003 Original Release, Paul Laufer <[email protected]>
	22	* 02-07-2003 Bug made it into first release. Take two.
	23	*/
	24
1da177e4 LT	25	#include <linux/module.h>
	26	#include <linux/moduleparam.h>
	27	#include <linux/init.h>
	28	#include "sound_config.h"
	29	#include "sb_mixer.h"
	30	#include "sb.h"
	31	#ifdef CONFIG_PNP
	32	#include <linux/pnp.h>
	33	#endif /* CONFIG_PNP */
	34	#include "sb_card.h"
	35
	36	MODULE_DESCRIPTION("OSS Soundblaster ISA PnP and legacy sound driver");
	37	MODULE_LICENSE("GPL");
	38
	39	extern void *smw_free;
	40
	41	static int __initdata mpu_io = 0;
	42	static int __initdata io = -1;
	43	static int __initdata irq = -1;
	44	static int __initdata dma = -1;
	45	static int __initdata dma16 = -1;
	46	static int __initdata type = 0; /* Can set this to a specific card type */
	47	static int __initdata esstype = 0; /* ESS chip type */
	48	static int __initdata acer = 0; /* Do acer notebook init? */
	49	static int __initdata sm_games = 0; /* Logitech soundman games? */
	50
	51	static struct sb_card_config *legacy = NULL;
	52
	53	#ifdef CONFIG_PNP
be54414d	54	static int pnp_registered;
1da177e4 LT	55	static int __initdata pnp = 1;
	56	/*
	57	static int __initdata uart401 = 0;
	58	*/
	59	#else
	60	static int __initdata pnp = 0;
	61	#endif
	62
	63	module_param(io, int, 000);
	64	MODULE_PARM_DESC(io, "Soundblaster i/o base address (0x220,0x240,0x260,0x280)");
	65	module_param(irq, int, 000);
	66	MODULE_PARM_DESC(irq, "IRQ (5,7,9,10)");
	67	module_param(dma, int, 000);
	68	MODULE_PARM_DESC(dma, "8-bit DMA channel (0,1,3)");
	69	module_param(dma16, int, 000);
	70	MODULE_PARM_DESC(dma16, "16-bit DMA channel (5,6,7)");
	71	module_param(mpu_io, int, 000);
	72	MODULE_PARM_DESC(mpu_io, "MPU base address");
	73	module_param(type, int, 000);
	74	MODULE_PARM_DESC(type, "You can set this to specific card type (doesn't " \
	75	"work with pnp)");
	76	module_param(sm_games, int, 000);
	77	MODULE_PARM_DESC(sm_games, "Enable support for Logitech soundman games " \
	78	"(doesn't work with pnp)");
	79	module_param(esstype, int, 000);
	80	MODULE_PARM_DESC(esstype, "ESS chip type (doesn't work with pnp)");
	81	module_param(acer, int, 000);
	82	MODULE_PARM_DESC(acer, "Set this to detect cards in some ACER notebooks "\
	83	"(doesn't work with pnp)");
	84
	85	#ifdef CONFIG_PNP
	86	module_param(pnp, int, 000);
	87	MODULE_PARM_DESC(pnp, "Went set to 0 will disable detection using PnP. "\
	88	"Default is 1.\n");
	89	/* Not done yet.... */
	90	/*
	91	module_param(uart401, int, 000);
	92	MODULE_PARM_DESC(uart401, "When set to 1, will attempt to detect and enable"\
	93	"the mpu on some clones");
	94	*/
	95	#endif /* CONFIG_PNP */
	96
	97	/* OSS subsystem card registration shared by PnP and legacy routines */
	98	static int sb_register_oss(struct sb_card_config scc, struct sb_module_options sbmo)
	99	{
	100	if (!request_region(scc->conf.io_base, 16, "soundblaster")) {
	101	printk(KERN_ERR "sb: ports busy.\n");
	102	kfree(scc);
	103	return -EBUSY;
	104	}
	105
	106	if (!sb_dsp_detect(&scc->conf, 0, 0, sbmo)) {
	107	release_region(scc->conf.io_base, 16);
	108	printk(KERN_ERR "sb: Failed DSP Detect.\n");
	109	kfree(scc);
	110	return -ENODEV;
	111	}
	112	if(!sb_dsp_init(&scc->conf, THIS_MODULE)) {
	113	printk(KERN_ERR "sb: Failed DSP init.\n");
	114	kfree(scc);
	115	return -ENODEV;
	116	}
	117	if(scc->mpucnf.io_base > 0) {
	118	scc->mpu = 1;
119	printk(KERN_INFO "sb: Turning on MPU\n");
120	if(!probe_sbmpu(&scc->mpucnf, THIS_MODULE))
121	scc->mpu = 0;
122	}
123
124	return 1;
125	}
126
127	static void sb_unload(struct sb_card_config *scc)
128	{
129	sb_dsp_unload(&scc->conf, 0);
130	if(scc->mpu)
131	unload_sbmpu(&scc->mpucnf);
132	kfree(scc);
133	}
134
135	/* Register legacy card with OSS subsystem */
be54414d	136	static int __init sb_init_legacy(void)
1da177e4 LT	137	{
	138	struct sb_module_options sbmo = {0};
	139
3159f06d	140	if((legacy = kzalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
1da177e4 LT	141	printk(KERN_ERR "sb: Error: Could not allocate memory\n");
	142	return -ENOMEM;
	143	}
1da177e4 LT	144
	145	legacy->conf.io_base = io;
	146	legacy->conf.irq = irq;
	147	legacy->conf.dma = dma;
	148	legacy->conf.dma2 = dma16;
	149	legacy->conf.card_subtype = type;
	150
	151	legacy->mpucnf.io_base = mpu_io;
	152	legacy->mpucnf.irq = -1;
	153	legacy->mpucnf.dma = -1;
	154	legacy->mpucnf.dma2 = -1;
	155
	156	sbmo.esstype = esstype;
	157	sbmo.sm_games = sm_games;
	158	sbmo.acer = acer;
	159
	160	return sb_register_oss(legacy, &sbmo);
	161	}
	162
	163	#ifdef CONFIG_PNP
	164
	165	/* Populate the OSS subsystem structures with information from PnP */
	166	static void sb_dev2cfg(struct pnp_dev dev, struct sb_card_config scc)
	167	{
	168	scc->conf.io_base = -1;
	169	scc->conf.irq = -1;
	170	scc->conf.dma = -1;
	171	scc->conf.dma2 = -1;
	172	scc->mpucnf.io_base = -1;
	173	scc->mpucnf.irq = -1;
	174	scc->mpucnf.dma = -1;
	175	scc->mpucnf.dma2 = -1;
	176
	177	/* All clones layout their PnP tables differently and some use
	178	different logical devices for the MPU */
	179	if(!strncmp("CTL",scc->card_id,3)) {
	180	scc->conf.io_base = pnp_port_start(dev,0);
	181	scc->conf.irq = pnp_irq(dev,0);
	182	scc->conf.dma = pnp_dma(dev,0);
	183	scc->conf.dma2 = pnp_dma(dev,1);
	184	scc->mpucnf.io_base = pnp_port_start(dev,1);
	185	return;
	186	}
	187	if(!strncmp("tBA",scc->card_id,3)) {
	188	scc->conf.io_base = pnp_port_start(dev,0);
	189	scc->conf.irq = pnp_irq(dev,0);
	190	scc->conf.dma = pnp_dma(dev,0);
	191	scc->conf.dma2 = pnp_dma(dev,1);
	192	return;
	193	}
	194	if(!strncmp("ESS",scc->card_id,3)) {
	195	scc->conf.io_base = pnp_port_start(dev,0);
	196	scc->conf.irq = pnp_irq(dev,0);
	197	scc->conf.dma = pnp_dma(dev,0);
	198	scc->conf.dma2 = pnp_dma(dev,1);
	199	scc->mpucnf.io_base = pnp_port_start(dev,2);
	200	return;
	201	}
	202	if(!strncmp("CMI",scc->card_id,3)) {
	203	scc->conf.io_base = pnp_port_start(dev,0);
	204	scc->conf.irq = pnp_irq(dev,0);
	205	scc->conf.dma = pnp_dma(dev,0);
	206	scc->conf.dma2 = pnp_dma(dev,1);
	207	return;
208	}
209	if(!strncmp("RWB",scc->card_id,3)) {
210	scc->conf.io_base = pnp_port_start(dev,0);
211	scc->conf.irq = pnp_irq(dev,0);
212	scc->conf.dma = pnp_dma(dev,0);
213	return;
214	}
215	if(!strncmp("ALS",scc->card_id,3)) {
216	if(!strncmp("ALS0007",scc->card_id,7)) {
217	scc->conf.io_base = pnp_port_start(dev,0);
218	scc->conf.irq = pnp_irq(dev,0);
219	scc->conf.dma = pnp_dma(dev,0);
220	} else {
221	scc->conf.io_base = pnp_port_start(dev,0);
222	scc->conf.irq = pnp_irq(dev,0);
223	scc->conf.dma = pnp_dma(dev,1);
224	scc->conf.dma2 = pnp_dma(dev,0);
225	}
226	return;
227	}
228	if(!strncmp("RTL",scc->card_id,3)) {
229	scc->conf.io_base = pnp_port_start(dev,0);
230	scc->conf.irq = pnp_irq(dev,0);
231	scc->conf.dma = pnp_dma(dev,1);
232	scc->conf.dma2 = pnp_dma(dev,0);
233	}
234	}
235
be54414d BH	236	static unsigned int sb_pnp_devices;
be54414d BH	237
1da177e4 LT	238	/* Probe callback function for the PnP API */
	239	static int sb_pnp_probe(struct pnp_card_link card, const struct pnp_card_device_id card_id)
	240	{
	241	struct sb_card_config *scc;
	242	struct sb_module_options sbmo = {0}; /* Default to 0 for PnP */
	243	struct pnp_dev *dev = pnp_request_card_device(card, card_id->devs[0].id, NULL);
	244
	245	if(!dev){
	246	return -EBUSY;
	247	}
	248
3159f06d	249	if((scc = kzalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
1da177e4 LT	250	printk(KERN_ERR "sb: Error: Could not allocate memory\n");
	251	return -ENOMEM;
	252	}
1da177e4 LT	253
	254	printk(KERN_INFO "sb: PnP: Found Card Named = \"%s\", Card PnP id = " \
	255	"%s, Device PnP id = %s\n", card->card->name, card_id->id,
	256	dev->id->id);
	257
	258	scc->card_id = card_id->id;
	259	scc->dev_id = dev->id->id;
	260	sb_dev2cfg(dev, scc);
	261
	262	printk(KERN_INFO "sb: PnP: Detected at: io=0x%x, irq=%d, " \
	263	"dma=%d, dma16=%d\n", scc->conf.io_base, scc->conf.irq,
	264	scc->conf.dma, scc->conf.dma2);
	265
	266	pnp_set_card_drvdata(card, scc);
be54414d	267	sb_pnp_devices++;
1da177e4 LT	268
	269	return sb_register_oss(scc, &sbmo);
	270	}
	271
	272	static void sb_pnp_remove(struct pnp_card_link *card)
	273	{
	274	struct sb_card_config *scc = pnp_get_card_drvdata(card);
	275
	276	if(!scc)
	277	return;
	278
	279	printk(KERN_INFO "sb: PnP: Removing %s\n", scc->card_id);
	280
	281	sb_unload(scc);
	282	}
	283
	284	static struct pnp_card_driver sb_pnp_driver = {
	285	.name = "OSS SndBlstr", /* 16 character limit */
	286	.id_table = sb_pnp_card_table,
	287	.probe = sb_pnp_probe,
	288	.remove = sb_pnp_remove,
	289	};
	290	MODULE_DEVICE_TABLE(pnp_card, sb_pnp_card_table);
	291	#endif /* CONFIG_PNP */
	292
10c86be5	293	static void sb_unregister_all(void)
be54414d BH	294	{
	295	#ifdef CONFIG_PNP
	296	if (pnp_registered)
	297	pnp_unregister_card_driver(&sb_pnp_driver);
	298	#endif
	299	}
	300
1da177e4 LT	301	static int __init sb_init(void)
	302	{
	303	int lres = 0;
	304	int pres = 0;
	305
	306	printk(KERN_INFO "sb: Init: Starting Probe...\n");
	307
	308	if(io != -1 && irq != -1 && dma != -1) {
	309	printk(KERN_INFO "sb: Probing legacy card with io=%x, "\
	310	"irq=%d, dma=%d, dma16=%d\n",io, irq, dma, dma16);
	311	lres = sb_init_legacy();
	312	} else if((io != -1 \|\| irq != -1 \|\| dma != -1) \|\|
	313	(!pnp && (io == -1 && irq == -1 && dma == -1)))
	314	printk(KERN_ERR "sb: Error: At least io, irq, and dma "\
	315	"must be set for legacy cards.\n");
	316
	317	#ifdef CONFIG_PNP
	318	if(pnp) {
be54414d BH	319	int err = pnp_register_card_driver(&sb_pnp_driver);
	320	if (!err)
	321	pnp_registered = 1;
	322	pres = sb_pnp_devices;
1da177e4 LT	323	}
	324	#endif
	325	printk(KERN_INFO "sb: Init: Done\n");
	326
	327	/* If either PnP or Legacy registered a card then return
	328	* success */
be54414d BH	329	if (pres == 0 && lres <= 0) {
be54414d BH	330	sb_unregister_all();
1da177e4 LT	331	return -ENODEV;
	332	}
	333	return 0;
	334	}
	335
	336	static void __exit sb_exit(void)
	337	{
	338	printk(KERN_INFO "sb: Unloading...\n");
	339
	340	/* Unload legacy card */
	341	if (legacy) {
	342	printk (KERN_INFO "sb: Unloading legacy card\n");
	343	sb_unload(legacy);
	344	}
	345
be54414d	346	sb_unregister_all();
1da177e4	347
457d3d43 JJ	348	vfree(smw_free);
457d3d43 JJ	349	smw_free = NULL;
1da177e4 LT	350	}
	351
	352	module_init(sb_init);
	353	module_exit(sb_exit);