// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for Digigram VXpocket V2 / 440 soundcards
*
* Copyright ( c ) 2002 by Takashi Iwai < tiwai @ suse . de >
*/
#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" );
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);
}
/*
* 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 const 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 const 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;
chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
sizeof (struct snd_vxpocket) - sizeof (struct vx_core));
if (!chip)
return -ENOMEM;
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);
dev_dbg(chip->card->dev,
"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;
card->sync_irq = chip->irq;
err = snd_vx_setup_firmware(chip);
if (err < 0 )
return err;
return 0 ;
}
/*
* configuration callback
*/
static int vxpocket_config(struct pcmcia_device *link)
{
struct vx_core *chip = link->priv;
int ret;
/* redefine hardware record according to the VERSION1 string */
if (!strcmp(link->prod_id[1 ], "VX-POCKET" )) {
dev_dbg(chip->card->dev, "VX-pocket is detected\n" );
} else {
dev_dbg(chip->card->dev, "VX-pocket 440 is detected\n" );
/* overwrite the hardware information */
chip->hw = &vxp440_hw;
chip->type = vxp440_hw.type;
strscpy(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;
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;
if (chip)
snd_vx_suspend(chip);
return 0 ;
}
static int vxp_resume(struct pcmcia_device *link)
{
struct vx_core *chip = link->priv;
if (pcmcia_dev_present(link)) {
if (chip)
snd_vx_resume(chip);
}
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) {
dev_err(&p_dev->dev, "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 ) {
dev_err(&p_dev->dev, "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(0 x01f1, 0 x0100),
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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