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linux/sound/pcmcia/vx/vxpocket.c

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/*
* 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 <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <sound/core.h>
#include "vxpocket.h"
#include <pcmcia/ciscode.h>
#include <pcmcia/cisreg.h>
#include <sound/initval.h>
#include <sound/tlv.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 bool 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(struct pcmcia_device *link)
{
free_irq(link->irq, link->priv);
pcmcia_disable_device(link);
}
/*
* destructor, called from snd_card_free_when_closed()
*/
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 const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
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,
.output_level_db_scale = db_scale_old_vol,
};
/* 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,
.output_level_db_scale = db_scale_old_vol,
};
/*
* create vxpocket instance
*/
static int snd_vxpocket_new(struct snd_card *card, int ibl,
struct pcmcia_device *link,
struct snd_vxpocket **chip_ret)
{
struct vx_core *chip;
struct snd_vxpocket *vxp;
static struct snd_device_ops ops = {
.dev_free = snd_vxpocket_dev_free,
};
int err;
chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
if (!chip)
return -ENOMEM;
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0) {
kfree(chip);
return err;
}
chip->ibl.size = ibl;
vxp = to_vxpocket(chip);
vxp->p_dev = link;
link->priv = chip;
link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
link->resource[0]->end = 16;
link->config_flags |= CONF_ENABLE_IRQ;
link->config_index = 1;
link->config_regs = PRESENT_OPTION;
*chip_ret = vxp;
return 0;
}
/**
* snd_vxpocket_assign_resources - initialize the hardware and card instance.
* @chip: VX core 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 = to_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
*/
static int vxpocket_config(struct pcmcia_device *link)
{
struct vx_core *chip = link->priv;
int ret;
snd_printdd(KERN_DEBUG "vxpocket_config called\n");
/* redefine hardware record according to the VERSION1 string */
if (!strcmp(link->prod_id[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);
}
ret = pcmcia_request_io(link);
if (ret)
goto failed_preirq;
ret = request_threaded_irq(link->irq, snd_vx_irq_handler,
snd_vx_threaded_irq_handler,
IRQF_SHARED, link->devname, link->priv);
if (ret)
goto failed_preirq;
ret = pcmcia_enable_device(link);
if (ret)
goto failed;
chip->dev = &link->dev;
if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
link->irq) < 0)
goto failed;
return 0;
failed:
free_irq(link->irq, link->priv);
failed_preirq:
pcmcia_disable_device(link);
return -ENODEV;
}
#ifdef CONFIG_PM
static int vxp_suspend(struct pcmcia_device *link)
{
struct vx_core *chip = link->priv;
snd_printdd(KERN_DEBUG "SUSPEND\n");
if (chip) {
snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
snd_vx_suspend(chip);
}
return 0;
}
static int vxp_resume(struct pcmcia_device *link)
{
struct vx_core *chip = link->priv;
snd_printdd(KERN_DEBUG "RESUME\n");
if (pcmcia_dev_present(link)) {
//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
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_probe(struct pcmcia_device *p_dev)
{
struct snd_card *card;
struct snd_vxpocket *vxp;
int i, err;
/* 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 */
err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE,
0, &card);
if (err < 0) {
snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
return err;
}
err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
if (err < 0) {
snd_card_free(card);
return err;
}
card->private_data = vxp;
vxp->index = i;
card_alloc |= 1 << i;
vxp->p_dev = p_dev;
return vxpocket_config(p_dev);
}
static void vxpocket_detach(struct pcmcia_device *link)
{
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_when_closed(chip->card);
}
/*
* Module entry points
*/
static const 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,
.name = "snd-vxpocket",
.probe = vxpocket_probe,
.remove = vxpocket_detach,
.id_table = vxp_ids,
#ifdef CONFIG_PM
.suspend = vxp_suspend,
.resume = vxp_resume,
#endif
};
module_pcmcia_driver(vxp_cs_driver);
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