linux-stable/sound/pci/ctxfi/xfi.c
Leon Romanovsky 6417f03132 module: remove never implemented MODULE_SUPPORTED_DEVICE
MODULE_SUPPORTED_DEVICE was added in pre-git era and never was
implemented. We can safely remove it, because the kernel has grown
to have many more reliable mechanisms to determine if device is
supported or not.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-03-17 13:16:18 -07:00

158 lines
4 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* xfi linux driver.
*
* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
*/
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/moduleparam.h>
#include <linux/pci_ids.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/initval.h>
#include "ctatc.h"
#include "cthardware.h"
MODULE_AUTHOR("Creative Technology Ltd");
MODULE_DESCRIPTION("X-Fi driver version 1.03");
MODULE_LICENSE("GPL v2");
static unsigned int reference_rate = 48000;
static unsigned int multiple = 2;
MODULE_PARM_DESC(reference_rate, "Reference rate (default=48000)");
module_param(reference_rate, uint, 0444);
MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)");
module_param(multiple, uint, 0444);
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
static unsigned int subsystem[SNDRV_CARDS];
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver");
module_param_array(subsystem, int, NULL, 0444);
MODULE_PARM_DESC(subsystem, "Override subsystem ID for Creative X-Fi driver");
static const struct pci_device_id ct_pci_dev_ids[] = {
/* only X-Fi is supported, so... */
{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1),
.driver_data = ATC20K1,
},
{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2),
.driver_data = ATC20K2,
},
{ 0, }
};
MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids);
static int
ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
{
static int dev;
struct snd_card *card;
struct ct_atc *atc;
int err;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (!enable[dev]) {
dev++;
return -ENOENT;
}
err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
0, &card);
if (err)
return err;
if ((reference_rate != 48000) && (reference_rate != 44100)) {
dev_err(card->dev,
"Invalid reference_rate value %u!!!\n",
reference_rate);
dev_err(card->dev,
"The valid values for reference_rate are 48000 and 44100, Value 48000 is assumed.\n");
reference_rate = 48000;
}
if ((multiple != 1) && (multiple != 2) && (multiple != 4)) {
dev_err(card->dev, "Invalid multiple value %u!!!\n",
multiple);
dev_err(card->dev,
"The valid values for multiple are 1, 2 and 4, Value 2 is assumed.\n");
multiple = 2;
}
err = ct_atc_create(card, pci, reference_rate, multiple,
pci_id->driver_data, subsystem[dev], &atc);
if (err < 0)
goto error;
card->private_data = atc;
/* Create alsa devices supported by this card */
err = ct_atc_create_alsa_devs(atc);
if (err < 0)
goto error;
strcpy(card->driver, "SB-XFi");
strcpy(card->shortname, "Creative X-Fi");
snprintf(card->longname, sizeof(card->longname), "%s %s %s",
card->shortname, atc->chip_name, atc->model_name);
err = snd_card_register(card);
if (err < 0)
goto error;
pci_set_drvdata(pci, card);
dev++;
return 0;
error:
snd_card_free(card);
return err;
}
static void ct_card_remove(struct pci_dev *pci)
{
snd_card_free(pci_get_drvdata(pci));
}
#ifdef CONFIG_PM_SLEEP
static int ct_card_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct ct_atc *atc = card->private_data;
return atc->suspend(atc);
}
static int ct_card_resume(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct ct_atc *atc = card->private_data;
return atc->resume(atc);
}
static SIMPLE_DEV_PM_OPS(ct_card_pm, ct_card_suspend, ct_card_resume);
#define CT_CARD_PM_OPS &ct_card_pm
#else
#define CT_CARD_PM_OPS NULL
#endif
static struct pci_driver ct_driver = {
.name = KBUILD_MODNAME,
.id_table = ct_pci_dev_ids,
.probe = ct_card_probe,
.remove = ct_card_remove,
.driver = {
.pm = CT_CARD_PM_OPS,
},
};
module_pci_driver(ct_driver);