sound/isa/gus/gusclassic.c - LeafOS-Devices/android_kernel_samsung_exynos9820 - Gitiles

 /*
  *  Driver for Gravis UltraSound Classic soundcard
  *  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/err.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/time.h>
 #include <linux/moduleparam.h>
 #include <asm/dma.h>
 #include <sound/core.h>
 #include <sound/gus.h>
 #define SNDRV_LEGACY_FIND_FREE_IRQ
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>

 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
 MODULE_DESCRIPTION("Gravis UltraSound Classic");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Classic}}");

 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;	/* 0x220,0x230,0x240,0x250,0x260 */
 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;	/* 3,5,9,11,12,15 */
 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3,5,6,7 */
 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;	/* 1,3,5,6,7 */
 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
 				/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};

 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for GUS Classic soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for GUS Classic soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable GUS Classic soundcard.");
 module_param_array(port, long, NULL, 0444);
 MODULE_PARM_DESC(port, "Port # for GUS Classic driver.");
 module_param_array(irq, int, NULL, 0444);
 MODULE_PARM_DESC(irq, "IRQ # for GUS Classic driver.");
 module_param_array(dma1, int, NULL, 0444);
 MODULE_PARM_DESC(dma1, "DMA1 # for GUS Classic driver.");
 module_param_array(dma2, int, NULL, 0444);
 MODULE_PARM_DESC(dma2, "DMA2 # for GUS Classic driver.");
 module_param_array(joystick_dac, int, NULL, 0444);
 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Classic driver.");
 module_param_array(channels, int, NULL, 0444);
 MODULE_PARM_DESC(channels, "GF1 channels for GUS Classic driver.");
 module_param_array(pcm_channels, int, NULL, 0444);
 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Classic driver.");

 static struct platform_device *devices[SNDRV_CARDS];


 #define PFX	"gusclassic: "

 static int __devinit snd_gusclassic_detect(struct snd_gus_card * gus)
 {
 	unsigned char d;

 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);	/* reset GF1 */
 	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
 		snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
 		return -ENODEV;
 	}
 	udelay(160);
 	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);	/* release reset */
 	udelay(160);
 	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
 		snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
 		return -ENODEV;
 	}
 	return 0;
 }

 static void __devinit snd_gusclassic_init(int dev, struct snd_gus_card * gus)
 {
 	gus->equal_irq = 0;
 	gus->codec_flag = 0;
 	gus->max_flag = 0;
 	gus->joystick_dac = joystick_dac[dev];
 }

 static int __devinit snd_gusclassic_probe(struct platform_device *pdev)
 {
 	int dev = pdev->id;
 	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
 	static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
 	int xirq, xdma1, xdma2;
 	struct snd_card *card;
 	struct snd_gus_card *gus = NULL;
 	int err;

 	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
 	if (card == NULL)
 		return -ENOMEM;
 	if (pcm_channels[dev] < 2)
 		pcm_channels[dev] = 2;

 	xirq = irq[dev];
 	if (xirq == SNDRV_AUTO_IRQ) {
 		if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
 			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
 			err = -EBUSY;
 			goto _err;
 		}
 	}
 	xdma1 = dma1[dev];
 	if (xdma1 == SNDRV_AUTO_DMA) {
 		if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
 			snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
 			err = -EBUSY;
 			goto _err;
 		}
 	}
 	xdma2 = dma2[dev];
 	if (xdma2 == SNDRV_AUTO_DMA) {
 		if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
 			snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
 			err = -EBUSY;
 			goto _err;
 		}
 	}

 	if (port[dev] != SNDRV_AUTO_PORT) {
 		err = snd_gus_create(card,
 				     port[dev],
 				     xirq, xdma1, xdma2,
 				     0, channels[dev], pcm_channels[dev],
 				     0, &gus);
 	} else {
 		/* auto-probe legacy ports */
 		static unsigned long possible_ports[] = {
 			0x220, 0x230, 0x240, 0x250, 0x260,
 		};
 		int i;
 		for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
 			err = snd_gus_create(card,
 					     possible_ports[i],
 					     xirq, xdma1, xdma2,
 					     0, channels[dev], pcm_channels[dev],
 					     0, &gus);
 			if (err >= 0) {
 				port[dev] = possible_ports[i];
 				break;
 			}
 		}
 	}
 	if (err < 0)
 		goto _err;

 	if ((err = snd_gusclassic_detect(gus)) < 0)
 		goto _err;

 	snd_gusclassic_init(dev, gus);
 	if ((err = snd_gus_initialize(gus)) < 0)
 		goto _err;

 	if (gus->max_flag || gus->ess_flag) {
 		snd_printk(KERN_ERR PFX "GUS Classic or ACE soundcard was not detected at 0x%lx\n", gus->gf1.port);
 		err = -ENODEV;
 		goto _err;
 	}

 	if ((err = snd_gf1_new_mixer(gus)) < 0)
 		goto _err;

 	if ((err = snd_gf1_pcm_new(gus, 0, 0, NULL)) < 0)
 		goto _err;

 	if (!gus->ace_flag) {
 		if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
 			goto _err;
 	}
 	sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %d, dma %d", gus->gf1.port, xirq, xdma1);
 	if (xdma2 >= 0)
 		sprintf(card->longname + strlen(card->longname), "&%d", xdma2);

 	snd_card_set_dev(card, &pdev->dev);

 	if ((err = snd_card_register(card)) < 0)
 		goto _err;

 	platform_set_drvdata(pdev, card);
 	return 0;

  _err:
 	snd_card_free(card);
 	return err;
 }

 static int __devexit snd_gusclassic_remove(struct platform_device *devptr)
 {
 	snd_card_free(platform_get_drvdata(devptr));
 	platform_set_drvdata(devptr, NULL);
 	return 0;
 }

 #define GUSCLASSIC_DRIVER	"snd_gusclassic"

 static struct platform_driver snd_gusclassic_driver = {
 	.probe		= snd_gusclassic_probe,
 	.remove		= __devexit_p(snd_gusclassic_remove),
 	/* FIXME: suspend/resume */
 	.driver		= {
 		.name	= GUSCLASSIC_DRIVER
 	},
 };

 static void __init_or_module snd_gusclassic_unregister_all(void)
 {
 	int i;

 	for (i = 0; i < ARRAY_SIZE(devices); ++i)
 		platform_device_unregister(devices[i]);
 	platform_driver_unregister(&snd_gusclassic_driver);
 }

 static int __init alsa_card_gusclassic_init(void)
 {
 	int i, cards, err;

 	err = platform_driver_register(&snd_gusclassic_driver);
 	if (err < 0)
 		return err;

 	cards = 0;
 	for (i = 0; i < SNDRV_CARDS; i++) {
 		struct platform_device *device;
 		if (! enable[i])
 			continue;
 		device = platform_device_register_simple(GUSCLASSIC_DRIVER,
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
 		if (!platform_get_drvdata(device)) {
 			platform_device_unregister(device);
 			continue;
 		}
 		devices[i] = device;
 		cards++;
 	}
 	if (!cards) {
 #ifdef MODULE
 		printk(KERN_ERR "GUS Classic soundcard not found or device busy\n");
 #endif
 		snd_gusclassic_unregister_all();
 		return -ENODEV;
 	}
 	return 0;
 }

 static void __exit alsa_card_gusclassic_exit(void)
 {
 	snd_gusclassic_unregister_all();
 }

 module_init(alsa_card_gusclassic_init)
 module_exit(alsa_card_gusclassic_exit)
	/*
	* Driver for Gravis UltraSound Classic soundcard
	* 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/err.h>
	#include <linux/platform_device.h>
	#include <linux/delay.h>
	#include <linux/time.h>
	#include <linux/moduleparam.h>
	#include <asm/dma.h>
	#include <sound/core.h>
	#include <sound/gus.h>
	#define SNDRV_LEGACY_FIND_FREE_IRQ
	#define SNDRV_LEGACY_FIND_FREE_DMA
	#include <sound/initval.h>

	MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
	MODULE_DESCRIPTION("Gravis UltraSound Classic");
	MODULE_LICENSE("GPL");
	MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Classic}}");

	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; /* 0x220,0x230,0x240,0x250,0x260 */
	static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 3,5,9,11,12,15 */
	static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
	static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
	static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
	/* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
	static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
	static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};

	module_param_array(index, int, NULL, 0444);
	MODULE_PARM_DESC(index, "Index value for GUS Classic soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for GUS Classic soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable GUS Classic soundcard.");
	module_param_array(port, long, NULL, 0444);
	MODULE_PARM_DESC(port, "Port # for GUS Classic driver.");
	module_param_array(irq, int, NULL, 0444);
	MODULE_PARM_DESC(irq, "IRQ # for GUS Classic driver.");
	module_param_array(dma1, int, NULL, 0444);
	MODULE_PARM_DESC(dma1, "DMA1 # for GUS Classic driver.");
	module_param_array(dma2, int, NULL, 0444);
	MODULE_PARM_DESC(dma2, "DMA2 # for GUS Classic driver.");
	module_param_array(joystick_dac, int, NULL, 0444);
	MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Classic driver.");
	module_param_array(channels, int, NULL, 0444);
	MODULE_PARM_DESC(channels, "GF1 channels for GUS Classic driver.");
	module_param_array(pcm_channels, int, NULL, 0444);
	MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Classic driver.");

	static struct platform_device *devices[SNDRV_CARDS];


	#define PFX "gusclassic: "

	static int __devinit snd_gusclassic_detect(struct snd_gus_card * gus)
	{
	unsigned char d;

	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
	snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
	return -ENODEV;
	}
	udelay(160);
	snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
	udelay(160);
	if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
	snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
	return -ENODEV;
	}
	return 0;
	}

	static void __devinit snd_gusclassic_init(int dev, struct snd_gus_card * gus)
	{
	gus->equal_irq = 0;
	gus->codec_flag = 0;
	gus->max_flag = 0;
	gus->joystick_dac = joystick_dac[dev];
	}

	static int __devinit snd_gusclassic_probe(struct platform_device *pdev)
	{
	int dev = pdev->id;
	static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
	static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
	int xirq, xdma1, xdma2;
	struct snd_card *card;
	struct snd_gus_card *gus = NULL;
	int err;

	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
	if (card == NULL)
	return -ENOMEM;
	if (pcm_channels[dev] < 2)
	pcm_channels[dev] = 2;

	xirq = irq[dev];
	if (xirq == SNDRV_AUTO_IRQ) {
	if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
	snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
	err = -EBUSY;
	goto _err;
	}
	}
	xdma1 = dma1[dev];
	if (xdma1 == SNDRV_AUTO_DMA) {
	if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
	snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
	err = -EBUSY;
	goto _err;
	}
	}
	xdma2 = dma2[dev];
	if (xdma2 == SNDRV_AUTO_DMA) {
	if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
	snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
	err = -EBUSY;
	goto _err;
	}
	}

	if (port[dev] != SNDRV_AUTO_PORT) {
	err = snd_gus_create(card,
	port[dev],
	xirq, xdma1, xdma2,
	0, channels[dev], pcm_channels[dev],
	0, &gus);
	} else {
	/* auto-probe legacy ports */
	static unsigned long possible_ports[] = {
	0x220, 0x230, 0x240, 0x250, 0x260,
	};
	int i;
	for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
	err = snd_gus_create(card,
	possible_ports[i],
	xirq, xdma1, xdma2,
	0, channels[dev], pcm_channels[dev],
	0, &gus);
	if (err >= 0) {
	port[dev] = possible_ports[i];
	break;
	}
	}
	}
	if (err < 0)
	goto _err;

	if ((err = snd_gusclassic_detect(gus)) < 0)
	goto _err;

	snd_gusclassic_init(dev, gus);
	if ((err = snd_gus_initialize(gus)) < 0)
	goto _err;

	if (gus->max_flag \|\| gus->ess_flag) {
	snd_printk(KERN_ERR PFX "GUS Classic or ACE soundcard was not detected at 0x%lx\n", gus->gf1.port);
	err = -ENODEV;
	goto _err;
	}

	if ((err = snd_gf1_new_mixer(gus)) < 0)
	goto _err;

	if ((err = snd_gf1_pcm_new(gus, 0, 0, NULL)) < 0)
	goto _err;

	if (!gus->ace_flag) {
	if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
	goto _err;
	}
	sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %d, dma %d", gus->gf1.port, xirq, xdma1);
	if (xdma2 >= 0)
	sprintf(card->longname + strlen(card->longname), "&%d", xdma2);

	snd_card_set_dev(card, &pdev->dev);

	if ((err = snd_card_register(card)) < 0)
	goto _err;

	platform_set_drvdata(pdev, card);
	return 0;

	_err:
	snd_card_free(card);
	return err;
	}

	static int __devexit snd_gusclassic_remove(struct platform_device *devptr)
	{
	snd_card_free(platform_get_drvdata(devptr));
	platform_set_drvdata(devptr, NULL);
	return 0;
	}

	#define GUSCLASSIC_DRIVER "snd_gusclassic"

	static struct platform_driver snd_gusclassic_driver = {
	.probe = snd_gusclassic_probe,
	.remove = __devexit_p(snd_gusclassic_remove),
	/* FIXME: suspend/resume */
	.driver = {
	.name = GUSCLASSIC_DRIVER
	},
	};

	static void __init_or_module snd_gusclassic_unregister_all(void)
	{
	int i;

	for (i = 0; i < ARRAY_SIZE(devices); ++i)
	platform_device_unregister(devices[i]);
	platform_driver_unregister(&snd_gusclassic_driver);
	}

	static int __init alsa_card_gusclassic_init(void)
	{
	int i, cards, err;

	err = platform_driver_register(&snd_gusclassic_driver);
	if (err < 0)
	return err;

	cards = 0;
	for (i = 0; i < SNDRV_CARDS; i++) {
	struct platform_device *device;
	if (! enable[i])
	continue;
	device = platform_device_register_simple(GUSCLASSIC_DRIVER,
	i, NULL, 0);
	if (IS_ERR(device))
	continue;
	if (!platform_get_drvdata(device)) {
	platform_device_unregister(device);
	continue;
	}
	devices[i] = device;
	cards++;
	}
	if (!cards) {
	#ifdef MODULE
	printk(KERN_ERR "GUS Classic soundcard not found or device busy\n");
	#endif
	snd_gusclassic_unregister_all();
	return -ENODEV;
	}
	return 0;
	}

	static void __exit alsa_card_gusclassic_exit(void)
	{
	snd_gusclassic_unregister_all();
	}

	module_init(alsa_card_gusclassic_init)
	module_exit(alsa_card_gusclassic_exit)