sound/isa/sb/sb8.c - kernel/msm-5.4 - Gitiles

 /*
  *  Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
  *
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation; either version 2 of the License, or
  *   (at your option) any later version.
  *
  *   This program is distributed in the hope that it will be useful,
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *   GNU General Public License for more details.
  *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  *
  */

 #include <sound/driver.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/ioport.h>
 #include <linux/moduleparam.h>
 #include <sound/core.h>
 #include <sound/sb.h>
 #include <sound/opl3.h>
 #define SNDRV_LEGACY_AUTO_PROBE
 #include <sound/initval.h>

 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
 MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");

 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;	/* Enable this card */
 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;	/* 0x220,0x240,0x260 */
 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 5,7,9,10 */
 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3 */

 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
 module_param_array(port, long, NULL, 0444);
 MODULE_PARM_DESC(port, "Port # for SB8 driver.");
 module_param_array(irq, int, NULL, 0444);
 MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
 module_param_array(dma8, int, NULL, 0444);
 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");

 struct snd_sb8 {
 	struct resource *fm_res;	/* used to block FM i/o region for legacy cards */
 };

 static snd_card_t *snd_sb8_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;

 static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	sb_t *chip = dev_id;

 	if (chip->open & SB_OPEN_PCM) {
 		return snd_sb8dsp_interrupt(chip);
 	} else {
 		return snd_sb8dsp_midi_interrupt(chip);
 	}
 }

 static void snd_sb8_free(snd_card_t *card)
 {
 	struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;

 	if (acard == NULL)
 		return;
 	if (acard->fm_res) {
 		release_resource(acard->fm_res);
 		kfree_nocheck(acard->fm_res);
 	}
 }

 static int __init snd_sb8_probe(int dev)
 {
 	sb_t *chip;
 	snd_card_t *card;
 	struct snd_sb8 *acard;
 	opl3_t *opl3;
 	int err;

 	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
 			    sizeof(struct snd_sb8));
 	if (card == NULL)
 		return -ENOMEM;
 	acard = (struct snd_sb8 *)card->private_data;
 	card->private_free = snd_sb8_free;

 	/* block the 0x388 port to avoid PnP conflicts */
 	acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");

 	if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
 				    snd_sb8_interrupt,
 				    dma8[dev],
 				    -1,
 				    SB_HW_AUTO,
 				    &chip)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	if (chip->hardware >= SB_HW_16) {
 		snd_card_free(card);
 		if (chip->hardware == SB_HW_ALS100)
 			snd_printdd("ALS100 chip detected at 0x%lx, try snd-als100 module\n",
 				    port[dev]);
 		else
 			snd_printdd("SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
 				    port[dev]);
 		return -ENODEV;
 	}

 	if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	if ((err = snd_sbmixer_new(chip)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
 		if ((err = snd_opl3_create(card, chip->port + 8, 0,
 					   OPL3_HW_AUTO, 1,
 					   &opl3)) < 0) {
 			snd_printk(KERN_ERR "sb8: no OPL device at 0x%lx\n", chip->port + 8);
 		}
 	} else {
 		if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
 					   OPL3_HW_AUTO, 1,
 					   &opl3)) < 0) {
 			snd_printk(KERN_ERR "sb8: no OPL device at 0x%lx-0x%lx\n",
 				   chip->port, chip->port + 2);
 		}
 	}
 	if (err >= 0) {
 		if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
 			snd_card_free(card);
 			return err;
 		}
 	}

 	if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0) {
 		snd_card_free(card);
 		return err;
 	}

 	strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
 	strcpy(card->shortname, chip->name);
 	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
 		chip->name,
 		chip->port,
 		irq[dev], dma8[dev]);
 	if ((err = snd_card_register(card)) < 0) {
 		snd_card_free(card);
 		return err;
 	}
 	snd_sb8_cards[dev] = card;
 	return 0;
 }

 static int __init snd_card_sb8_legacy_auto_probe(unsigned long xport)
 {
         static int dev;
         int res;

         for ( ; dev < SNDRV_CARDS; dev++) {
                 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
                         continue;
                 port[dev] = xport;
                 res = snd_sb8_probe(dev);
                 if (res < 0)
                         port[dev] = SNDRV_AUTO_PORT;
                 return res;
         }
         return -ENODEV;
 }

 static int __init alsa_card_sb8_init(void)
 {
 	static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1};
 	int dev, cards, i;

 	for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
 		if (port[dev] == SNDRV_AUTO_PORT)
 			continue;
 		if (snd_sb8_probe(dev) >= 0)
 			cards++;
 	}
 	i = snd_legacy_auto_probe(possible_ports, snd_card_sb8_legacy_auto_probe);
 	if (i > 0)
 		cards += i;

 	if (!cards) {
 #ifdef MODULE
 		snd_printk(KERN_ERR "Sound Blaster soundcard not found or device busy\n");
 #endif
 		return -ENODEV;
 	}
 	return 0;
 }

 static void __exit alsa_card_sb8_exit(void)
 {
 	int idx;

 	for (idx = 0; idx < SNDRV_CARDS; idx++)
 		snd_card_free(snd_sb8_cards[idx]);
 }

 module_init(alsa_card_sb8_init)
 module_exit(alsa_card_sb8_exit)
	/*
	* Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
	* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
	*
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*/

	#include <sound/driver.h>
	#include <linux/init.h>
	#include <linux/slab.h>
	#include <linux/ioport.h>
	#include <linux/moduleparam.h>
	#include <sound/core.h>
	#include <sound/sb.h>
	#include <sound/opl3.h>
	#define SNDRV_LEGACY_AUTO_PROBE
	#include <sound/initval.h>

	MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
	MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
	MODULE_LICENSE("GPL");
	MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");

	static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
	static char id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; / ID for this card */
	static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
	static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
	static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */

	module_param_array(index, int, NULL, 0444);
	MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
	module_param_array(port, long, NULL, 0444);
	MODULE_PARM_DESC(port, "Port # for SB8 driver.");
	module_param_array(irq, int, NULL, 0444);
	MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
	module_param_array(dma8, int, NULL, 0444);
	MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");

	struct snd_sb8 {
	struct resource fm_res; / used to block FM i/o region for legacy cards */
	};

	static snd_card_t *snd_sb8_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;

	static irqreturn_t snd_sb8_interrupt(int irq, void dev_id, struct pt_regs regs)
	{
	sb_t *chip = dev_id;

	if (chip->open & SB_OPEN_PCM) {
	return snd_sb8dsp_interrupt(chip);
	} else {
	return snd_sb8dsp_midi_interrupt(chip);
	}
	}

	static void snd_sb8_free(snd_card_t *card)
	{
	struct snd_sb8 acard = (struct snd_sb8 )card->private_data;

	if (acard == NULL)
	return;
	if (acard->fm_res) {
	release_resource(acard->fm_res);
	kfree_nocheck(acard->fm_res);
	}
	}

	static int __init snd_sb8_probe(int dev)
	{
	sb_t *chip;
	snd_card_t *card;
	struct snd_sb8 *acard;
	opl3_t *opl3;
	int err;

	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
	sizeof(struct snd_sb8));
	if (card == NULL)
	return -ENOMEM;
	acard = (struct snd_sb8 *)card->private_data;
	card->private_free = snd_sb8_free;

	/* block the 0x388 port to avoid PnP conflicts */
	acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");

	if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
	snd_sb8_interrupt,
	dma8[dev],
	-1,
	SB_HW_AUTO,
	&chip)) < 0) {
	snd_card_free(card);
	return err;
	}
	if (chip->hardware >= SB_HW_16) {
	snd_card_free(card);
	if (chip->hardware == SB_HW_ALS100)
	snd_printdd("ALS100 chip detected at 0x%lx, try snd-als100 module\n",
	port[dev]);
	else
	snd_printdd("SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
	port[dev]);
	return -ENODEV;
	}

	if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) {
	snd_card_free(card);
	return err;
	}
	if ((err = snd_sbmixer_new(chip)) < 0) {
	snd_card_free(card);
	return err;
	}
	if (chip->hardware == SB_HW_10 \|\| chip->hardware == SB_HW_20) {
	if ((err = snd_opl3_create(card, chip->port + 8, 0,
	OPL3_HW_AUTO, 1,
	&opl3)) < 0) {
	snd_printk(KERN_ERR "sb8: no OPL device at 0x%lx\n", chip->port + 8);
	}
	} else {
	if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
	OPL3_HW_AUTO, 1,
	&opl3)) < 0) {
	snd_printk(KERN_ERR "sb8: no OPL device at 0x%lx-0x%lx\n",
	chip->port, chip->port + 2);
	}
	}
	if (err >= 0) {
	if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
	snd_card_free(card);
	return err;
	}
	}

	if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0) {
	snd_card_free(card);
	return err;
	}

	strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
	strcpy(card->shortname, chip->name);
	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
	chip->name,
	chip->port,
	irq[dev], dma8[dev]);
	if ((err = snd_card_register(card)) < 0) {
	snd_card_free(card);
	return err;
	}
	snd_sb8_cards[dev] = card;
	return 0;
	}

	static int __init snd_card_sb8_legacy_auto_probe(unsigned long xport)
	{
	static int dev;
	int res;

	for ( ; dev < SNDRV_CARDS; dev++) {
	if (!enable[dev] \|\| port[dev] != SNDRV_AUTO_PORT)
	continue;
	port[dev] = xport;
	res = snd_sb8_probe(dev);
	if (res < 0)
	port[dev] = SNDRV_AUTO_PORT;
	return res;
	}
	return -ENODEV;
	}

	static int __init alsa_card_sb8_init(void)
	{
	static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1};
	int dev, cards, i;

	for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
	if (port[dev] == SNDRV_AUTO_PORT)
	continue;
	if (snd_sb8_probe(dev) >= 0)
	cards++;
	}
	i = snd_legacy_auto_probe(possible_ports, snd_card_sb8_legacy_auto_probe);
	if (i > 0)
	cards += i;

	if (!cards) {
	#ifdef MODULE
	snd_printk(KERN_ERR "Sound Blaster soundcard not found or device busy\n");
	#endif
	return -ENODEV;
	}
	return 0;
	}

	static void __exit alsa_card_sb8_exit(void)
	{
	int idx;

	for (idx = 0; idx < SNDRV_CARDS; idx++)
	snd_card_free(snd_sb8_cards[idx]);
	}

	module_init(alsa_card_sb8_init)
	module_exit(alsa_card_sb8_exit)