sound/oss/sb_card.c - kernel/msm-4.9 - Gitiles

 /*
  * 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 <paul@laufernet.com>
  * 02-07-2003 Bug made it into first release. Take two.
  */

 #include <linux/config.h>
 #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 = kmalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
 		printk(KERN_ERR "sb: Error: Could not allocate memory\n");
 		return -ENOMEM;
 	}
 	memset(legacy, 0, sizeof(struct sb_card_config));

 	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 = kmalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
 		printk(KERN_ERR "sb: Error: Could not allocate memory\n");
 		return -ENOMEM;
 	}
 	memset(scc, 0, sizeof(struct sb_card_config));

 	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 __init_or_module 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);
	/*
	* 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 <paul@laufernet.com>
	* 02-07-2003 Bug made it into first release. Take two.
	*/

	#include <linux/config.h>
	#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 = kmalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
	printk(KERN_ERR "sb: Error: Could not allocate memory\n");
	return -ENOMEM;
	}
	memset(legacy, 0, sizeof(struct sb_card_config));

	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 = kmalloc(sizeof(struct sb_card_config), GFP_KERNEL)) == NULL) {
	printk(KERN_ERR "sb: Error: Could not allocate memory\n");
	return -ENOMEM;
	}
	memset(scc, 0, sizeof(struct sb_card_config));

	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 __init_or_module 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);