sound/pcmcia/vx/vxpocket.c - kernel/msm-4.19 - Gitiles

 /*
  * Driver for Digigram VXpocket V2/440 soundcards
  *
  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
  *
  *   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/moduleparam.h>
 #include <sound/core.h>
 #include "vxpocket.h"
 #include <pcmcia/ciscode.h>
 #include <pcmcia/cisreg.h>
 #include <sound/initval.h>

 /*
  */

 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
 MODULE_DESCRIPTION("Digigram VXPocket");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");

 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_PNP;	/* Enable switches */
 static int ibl[SNDRV_CARDS];

 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
 module_param_array(id, charp, NULL, 0444);
 MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
 module_param_array(ibl, int, NULL, 0444);
 MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");


 /*
  */

 static unsigned int card_alloc;


 /*
  */
 static void vxpocket_release(dev_link_t *link)
 {
 	if (link->state & DEV_CONFIG) {
 		/* release cs resources */
 		pcmcia_release_configuration(link->handle);
 		pcmcia_release_io(link->handle, &link->io);
 		pcmcia_release_irq(link->handle, &link->irq);
 		link->state &= ~DEV_CONFIG;
 	}
 }

 /*
  * destructor, called from snd_card_free_in_thread()
  */
 static int snd_vxpocket_dev_free(struct snd_device *device)
 {
 	struct vx_core *chip = device->device_data;

 	snd_vx_free_firmware(chip);
 	kfree(chip);
 	return 0;
 }


 /*
  * Hardware information
  */

 /* VX-pocket V2
  *
  * 1 DSP, 1 sync UER
  * 1 programmable clock (NIY)
  * 1 stereo analog input (line/micro)
  * 1 stereo analog output
  * Only output levels can be modified
  */

 static struct snd_vx_hardware vxpocket_hw = {
 	.name = "VXPocket",
 	.type = VX_TYPE_VXPOCKET,

 	/* hardware specs */
 	.num_codecs = 1,
 	.num_ins = 1,
 	.num_outs = 1,
 	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 };

 /* VX-pocket 440
  *
  * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
  * SMPTE (NIY)
  * 2 stereo analog input (line/micro)
  * 2 stereo analog output
  * Only output levels can be modified
  * UER, but only for the first two inputs and outputs.
  */

 static struct snd_vx_hardware vxp440_hw = {
 	.name = "VXPocket440",
 	.type = VX_TYPE_VXP440,

 	/* hardware specs */
 	.num_codecs = 2,
 	.num_ins = 2,
 	.num_outs = 2,
 	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 };


 /*
  * create vxpocket instance
  */
 static struct snd_vxpocket *snd_vxpocket_new(struct snd_card *card, int ibl)
 {
 	dev_link_t *link;		/* Info for cardmgr */
 	struct vx_core *chip;
 	struct snd_vxpocket *vxp;
 	static struct snd_device_ops ops = {
 		.dev_free =	snd_vxpocket_dev_free,
 	};

 	chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
 			     sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
 	if (! chip)
 		return NULL;

 	if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
 		kfree(chip);
 		return NULL;
 	}
 	chip->ibl.size = ibl;

 	vxp = (struct snd_vxpocket *)chip;

 	link = &vxp->link;
 	link->priv = chip;

 	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 	link->io.NumPorts1 = 16;

 	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;

 	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 	link->irq.Handler = &snd_vx_irq_handler;
 	link->irq.Instance = chip;

 	link->conf.Attributes = CONF_ENABLE_IRQ;
 	link->conf.Vcc = 50;
 	link->conf.IntType = INT_MEMORY_AND_IO;
 	link->conf.ConfigIndex = 1;
 	link->conf.Present = PRESENT_OPTION;

 	return vxp;
 }


 /**
  * snd_vxpocket_assign_resources - initialize the hardware and card instance.
  * @port: i/o port for the card
  * @irq: irq number for the card
  *
  * this function assigns the specified port and irq, boot the card,
  * create pcm and control instances, and initialize the rest hardware.
  *
  * returns 0 if successful, or a negative error code.
  */
 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
 {
 	int err;
 	struct snd_card *card = chip->card;
 	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;

 	snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
 	vxp->port = port;

 	sprintf(card->shortname, "Digigram %s", card->driver);
 	sprintf(card->longname, "%s at 0x%x, irq %i",
 		card->shortname, port, irq);

 	chip->irq = irq;

 	if ((err = snd_vx_setup_firmware(chip)) < 0)
 		return err;

 	return 0;
 }


 /*
  * configuration callback
  */

 #define CS_CHECK(fn, ret) \
 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)

 static void vxpocket_config(dev_link_t *link)
 {
 	client_handle_t handle = link->handle;
 	struct vx_core *chip = link->priv;
 	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 	tuple_t tuple;
 	cisparse_t *parse;
 	u_short buf[32];
 	int last_fn, last_ret;

 	snd_printdd(KERN_DEBUG "vxpocket_config called\n");
 	parse = kmalloc(sizeof(*parse), GFP_KERNEL);
 	if (! parse) {
 		snd_printk(KERN_ERR "vx: cannot allocate\n");
 		return;
 	}
 	tuple.Attributes = 0;
 	tuple.TupleData = (cisdata_t *)buf;
 	tuple.TupleDataMax = sizeof(buf);
 	tuple.TupleOffset = 0;
 	tuple.DesiredTuple = CISTPL_CONFIG;
 	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
 	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
 	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
 	link->conf.ConfigBase = parse->config.base;
 	link->conf.Present = parse->config.rmask[0];

 	/* redefine hardware record according to the VERSION1 string */
 	tuple.DesiredTuple = CISTPL_VERS_1;
 	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
 	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
 	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
 	if (! strcmp(parse->version_1.str + parse->version_1.ofs[1], "VX-POCKET")) {
 		snd_printdd("VX-pocket is detected\n");
 	} else {
 		snd_printdd("VX-pocket 440 is detected\n");
 		/* overwrite the hardware information */
 		chip->hw = &vxp440_hw;
 		chip->type = vxp440_hw.type;
 		strcpy(chip->card->driver, vxp440_hw.name);
 	}

 	/* Configure card */
 	link->state |= DEV_CONFIG;

 	CS_CHECK(RequestIO, pcmcia_request_io(handle, &link->io));
 	CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
 	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));

 	chip->dev = &handle_to_dev(link->handle);
 	snd_card_set_dev(chip->card, chip->dev);

 	if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
 		goto failed;

 	link->dev = &vxp->node;
 	link->state &= ~DEV_CONFIG_PENDING;
 	kfree(parse);
 	return;

 cs_failed:
 	cs_error(link->handle, last_fn, last_ret);
 failed:
 	pcmcia_release_configuration(link->handle);
 	pcmcia_release_io(link->handle, &link->io);
 	pcmcia_release_irq(link->handle, &link->irq);
 	link->state &= ~DEV_CONFIG;
 	kfree(parse);
 }

 #ifdef CONFIG_PM

 static int vxp_suspend(struct pcmcia_device *dev)
 {
 	dev_link_t *link = dev_to_instance(dev);
 	struct vx_core *chip = link->priv;

 	snd_printdd(KERN_DEBUG "SUSPEND\n");
 	link->state |= DEV_SUSPEND;
 	if (chip) {
 		snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
 		snd_vx_suspend(chip, PMSG_SUSPEND);
 	}
 	snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n");
 	if (link->state & DEV_CONFIG)
 		pcmcia_release_configuration(link->handle);

 	return 0;
 }

 static int vxp_resume(struct pcmcia_device *dev)
 {
 	dev_link_t *link = dev_to_instance(dev);
 	struct vx_core *chip = link->priv;

 	snd_printdd(KERN_DEBUG "RESUME\n");
 	link->state &= ~DEV_SUSPEND;

 	snd_printdd(KERN_DEBUG "CARD_RESET\n");
 	if (DEV_OK(link)) {
 		//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 		snd_printdd(KERN_DEBUG "requestconfig...\n");
 		pcmcia_request_configuration(link->handle, &link->conf);
 		if (chip) {
 			snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
 			snd_vx_resume(chip);
 		}
 	}
 	snd_printdd(KERN_DEBUG "resume done!\n");

 	return 0;
 }

 #endif


 /*
  */
 static int vxpocket_attach(struct pcmcia_device *p_dev)
 {
 	struct snd_card *card;
 	struct snd_vxpocket *vxp;
 	int i;

 	/* find an empty slot from the card list */
 	for (i = 0; i < SNDRV_CARDS; i++) {
 		if (! card_alloc & (1 << i))
 			break;
 	}
 	if (i >= SNDRV_CARDS) {
 		snd_printk(KERN_ERR "vxpocket: too many cards found\n");
 		return -EINVAL;
 	}
 	if (! enable[i])
 		return -ENODEV; /* disabled explicitly */

 	/* ok, create a card instance */
 	card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
 	if (card == NULL) {
 		snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
 		return -ENOMEM;
 	}

 	vxp = snd_vxpocket_new(card, ibl[i]);
 	if (! vxp) {
 		snd_card_free(card);
 		return -ENODEV;
 	}
 	card->private_data = vxp;

 	vxp->index = i;
 	card_alloc |= 1 << i;

 	/* Chain drivers */
 	vxp->link.next = NULL;

 	vxp->link.handle = p_dev;
 	vxp->link.state |= DEV_PRESENT | DEV_CONFIG_PENDING;
 	p_dev->instance = &vxp->link;
 	vxpocket_config(&vxp->link);

 	return 0;
 }

 static void vxpocket_detach(struct pcmcia_device *p_dev)
 {
 	dev_link_t *link = dev_to_instance(p_dev);
 	struct snd_vxpocket *vxp;
 	struct vx_core *chip;

 	if (! link)
 		return;

 	vxp = link->priv;
 	chip = (struct vx_core *)vxp;
 	card_alloc &= ~(1 << vxp->index);

 	chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
 	snd_card_disconnect(chip->card);
 	vxpocket_release(link);
 	snd_card_free_in_thread(chip->card);
 }

 /*
  * Module entry points
  */

 static struct pcmcia_device_id vxp_ids[] = {
 	PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
 	PCMCIA_DEVICE_NULL
 };
 MODULE_DEVICE_TABLE(pcmcia, vxp_ids);

 static struct pcmcia_driver vxp_cs_driver = {
 	.owner		= THIS_MODULE,
 	.drv		= {
 		.name	= "snd-vxpocket",
 	},
 	.probe		= vxpocket_attach,
 	.remove		= vxpocket_detach,
 	.id_table	= vxp_ids,
 #ifdef CONFIG_PM
 	.suspend	= vxp_suspend,
 	.resume		= vxp_resume,
 #endif
 };

 static int __init init_vxpocket(void)
 {
 	return pcmcia_register_driver(&vxp_cs_driver);
 }

 static void __exit exit_vxpocket(void)
 {
 	pcmcia_unregister_driver(&vxp_cs_driver);
 }

 module_init(init_vxpocket);
 module_exit(exit_vxpocket);
	/*
	* Driver for Digigram VXpocket V2/440 soundcards
	*
	* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
	*
	* 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/moduleparam.h>
	#include <sound/core.h>
	#include "vxpocket.h"
	#include <pcmcia/ciscode.h>
	#include <pcmcia/cisreg.h>
	#include <sound/initval.h>

	/*
	*/

	MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
	MODULE_DESCRIPTION("Digigram VXPocket");
	MODULE_LICENSE("GPL");
	MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");

	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_PNP; /* Enable switches */
	static int ibl[SNDRV_CARDS];

	module_param_array(index, int, NULL, 0444);
	MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
	module_param_array(id, charp, NULL, 0444);
	MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
	module_param_array(enable, bool, NULL, 0444);
	MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
	module_param_array(ibl, int, NULL, 0444);
	MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");


	/*
	*/

	static unsigned int card_alloc;


	/*
	*/
	static void vxpocket_release(dev_link_t *link)
	{
	if (link->state & DEV_CONFIG) {
	/* release cs resources */
	pcmcia_release_configuration(link->handle);
	pcmcia_release_io(link->handle, &link->io);
	pcmcia_release_irq(link->handle, &link->irq);
	link->state &= ~DEV_CONFIG;
	}
	}

	/*
	* destructor, called from snd_card_free_in_thread()
	*/
	static int snd_vxpocket_dev_free(struct snd_device *device)
	{
	struct vx_core *chip = device->device_data;

	snd_vx_free_firmware(chip);
	kfree(chip);
	return 0;
	}


	/*
	* Hardware information
	*/

	/* VX-pocket V2
	*
	* 1 DSP, 1 sync UER
	* 1 programmable clock (NIY)
	* 1 stereo analog input (line/micro)
	* 1 stereo analog output
	* Only output levels can be modified
	*/

	static struct snd_vx_hardware vxpocket_hw = {
	.name = "VXPocket",
	.type = VX_TYPE_VXPOCKET,

	/* hardware specs */
	.num_codecs = 1,
	.num_ins = 1,
	.num_outs = 1,
	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
	};

	/* VX-pocket 440
	*
	* 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
	* SMPTE (NIY)
	* 2 stereo analog input (line/micro)
	* 2 stereo analog output
	* Only output levels can be modified
	* UER, but only for the first two inputs and outputs.
	*/

	static struct snd_vx_hardware vxp440_hw = {
	.name = "VXPocket440",
	.type = VX_TYPE_VXP440,

	/* hardware specs */
	.num_codecs = 2,
	.num_ins = 2,
	.num_outs = 2,
	.output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
	};


	/*
	* create vxpocket instance
	*/
	static struct snd_vxpocket snd_vxpocket_new(struct snd_card card, int ibl)
	{
	dev_link_t link; / Info for cardmgr */
	struct vx_core *chip;
	struct snd_vxpocket *vxp;
	static struct snd_device_ops ops = {
	.dev_free = snd_vxpocket_dev_free,
	};

	chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
	sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
	if (! chip)
	return NULL;

	if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
	kfree(chip);
	return NULL;
	}
	chip->ibl.size = ibl;

	vxp = (struct snd_vxpocket *)chip;

	link = &vxp->link;
	link->priv = chip;

	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	link->io.NumPorts1 = 16;

	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE \| IRQ_HANDLE_PRESENT;

	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
	link->irq.Handler = &snd_vx_irq_handler;
	link->irq.Instance = chip;

	link->conf.Attributes = CONF_ENABLE_IRQ;
	link->conf.Vcc = 50;
	link->conf.IntType = INT_MEMORY_AND_IO;
	link->conf.ConfigIndex = 1;
	link->conf.Present = PRESENT_OPTION;

	return vxp;
	}


	/**
	* snd_vxpocket_assign_resources - initialize the hardware and card instance.
	* @port: i/o port for the card
	* @irq: irq number for the card
	*
	* this function assigns the specified port and irq, boot the card,
	* create pcm and control instances, and initialize the rest hardware.
	*
	* returns 0 if successful, or a negative error code.
	*/
	static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
	{
	int err;
	struct snd_card *card = chip->card;
	struct snd_vxpocket vxp = (struct snd_vxpocket )chip;

	snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
	vxp->port = port;

	sprintf(card->shortname, "Digigram %s", card->driver);
	sprintf(card->longname, "%s at 0x%x, irq %i",
	card->shortname, port, irq);

	chip->irq = irq;

	if ((err = snd_vx_setup_firmware(chip)) < 0)
	return err;

	return 0;
	}


	/*
	* configuration callback
	*/

	#define CS_CHECK(fn, ret) \
	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)

	static void vxpocket_config(dev_link_t *link)
	{
	client_handle_t handle = link->handle;
	struct vx_core *chip = link->priv;
	struct snd_vxpocket vxp = (struct snd_vxpocket )chip;
	tuple_t tuple;
	cisparse_t *parse;
	u_short buf[32];
	int last_fn, last_ret;

	snd_printdd(KERN_DEBUG "vxpocket_config called\n");
	parse = kmalloc(sizeof(*parse), GFP_KERNEL);
	if (! parse) {
	snd_printk(KERN_ERR "vx: cannot allocate\n");
	return;
	}
	tuple.Attributes = 0;
	tuple.TupleData = (cisdata_t *)buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;
	tuple.DesiredTuple = CISTPL_CONFIG;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
	link->conf.ConfigBase = parse->config.base;
	link->conf.Present = parse->config.rmask[0];

	/* redefine hardware record according to the VERSION1 string */
	tuple.DesiredTuple = CISTPL_VERS_1;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
	if (! strcmp(parse->version_1.str + parse->version_1.ofs[1], "VX-POCKET")) {
	snd_printdd("VX-pocket is detected\n");
	} else {
	snd_printdd("VX-pocket 440 is detected\n");
	/* overwrite the hardware information */
	chip->hw = &vxp440_hw;
	chip->type = vxp440_hw.type;
	strcpy(chip->card->driver, vxp440_hw.name);
	}

	/* Configure card */
	link->state \|= DEV_CONFIG;

	CS_CHECK(RequestIO, pcmcia_request_io(handle, &link->io));
	CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));

	chip->dev = &handle_to_dev(link->handle);
	snd_card_set_dev(chip->card, chip->dev);

	if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
	goto failed;

	link->dev = &vxp->node;
	link->state &= ~DEV_CONFIG_PENDING;
	kfree(parse);
	return;

	cs_failed:
	cs_error(link->handle, last_fn, last_ret);
	failed:
	pcmcia_release_configuration(link->handle);
	pcmcia_release_io(link->handle, &link->io);
	pcmcia_release_irq(link->handle, &link->irq);
	link->state &= ~DEV_CONFIG;
	kfree(parse);
	}

	#ifdef CONFIG_PM

	static int vxp_suspend(struct pcmcia_device *dev)
	{
	dev_link_t *link = dev_to_instance(dev);
	struct vx_core *chip = link->priv;

	snd_printdd(KERN_DEBUG "SUSPEND\n");
	link->state \|= DEV_SUSPEND;
	if (chip) {
	snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
	snd_vx_suspend(chip, PMSG_SUSPEND);
	}
	snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n");
	if (link->state & DEV_CONFIG)
	pcmcia_release_configuration(link->handle);

	return 0;
	}

	static int vxp_resume(struct pcmcia_device *dev)
	{
	dev_link_t *link = dev_to_instance(dev);
	struct vx_core *chip = link->priv;

	snd_printdd(KERN_DEBUG "RESUME\n");
	link->state &= ~DEV_SUSPEND;

	snd_printdd(KERN_DEBUG "CARD_RESET\n");
	if (DEV_OK(link)) {
	//struct snd_vxpocket vxp = (struct snd_vxpocket )chip;
	snd_printdd(KERN_DEBUG "requestconfig...\n");
	pcmcia_request_configuration(link->handle, &link->conf);
	if (chip) {
	snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
	snd_vx_resume(chip);
	}
	}
	snd_printdd(KERN_DEBUG "resume done!\n");

	return 0;
	}

	#endif


	/*
	*/
	static int vxpocket_attach(struct pcmcia_device *p_dev)
	{
	struct snd_card *card;
	struct snd_vxpocket *vxp;
	int i;

	/* find an empty slot from the card list */
	for (i = 0; i < SNDRV_CARDS; i++) {
	if (! card_alloc & (1 << i))
	break;
	}
	if (i >= SNDRV_CARDS) {
	snd_printk(KERN_ERR "vxpocket: too many cards found\n");
	return -EINVAL;
	}
	if (! enable[i])
	return -ENODEV; /* disabled explicitly */

	/* ok, create a card instance */
	card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
	if (card == NULL) {
	snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
	return -ENOMEM;
	}

	vxp = snd_vxpocket_new(card, ibl[i]);
	if (! vxp) {
	snd_card_free(card);
	return -ENODEV;
	}
	card->private_data = vxp;

	vxp->index = i;
	card_alloc \|= 1 << i;

	/* Chain drivers */
	vxp->link.next = NULL;

	vxp->link.handle = p_dev;
	vxp->link.state \|= DEV_PRESENT \| DEV_CONFIG_PENDING;
	p_dev->instance = &vxp->link;
	vxpocket_config(&vxp->link);

	return 0;
	}

	static void vxpocket_detach(struct pcmcia_device *p_dev)
	{
	dev_link_t *link = dev_to_instance(p_dev);
	struct snd_vxpocket *vxp;
	struct vx_core *chip;

	if (! link)
	return;

	vxp = link->priv;
	chip = (struct vx_core *)vxp;
	card_alloc &= ~(1 << vxp->index);

	chip->chip_status \|= VX_STAT_IS_STALE; /* to be sure */
	snd_card_disconnect(chip->card);
	vxpocket_release(link);
	snd_card_free_in_thread(chip->card);
	}

	/*
	* Module entry points
	*/

	static struct pcmcia_device_id vxp_ids[] = {
	PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
	PCMCIA_DEVICE_NULL
	};
	MODULE_DEVICE_TABLE(pcmcia, vxp_ids);

	static struct pcmcia_driver vxp_cs_driver = {
	.owner = THIS_MODULE,
	.drv = {
	.name = "snd-vxpocket",
	},
	.probe = vxpocket_attach,
	.remove = vxpocket_detach,
	.id_table = vxp_ids,
	#ifdef CONFIG_PM
	.suspend = vxp_suspend,
	.resume = vxp_resume,
	#endif
	};

	static int __init init_vxpocket(void)
	{
	return pcmcia_register_driver(&vxp_cs_driver);
	}

	static void __exit exit_vxpocket(void)
	{
	pcmcia_unregister_driver(&vxp_cs_driver);
	}

	module_init(init_vxpocket);
	module_exit(exit_vxpocket);