168 lines
4.4 KiB
C
168 lines
4.4 KiB
C
/*
|
|
* xfi linux driver.
|
|
*
|
|
* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
|
|
*
|
|
* This source file is released under GPL v2 license (no other versions).
|
|
* See the COPYING file included in the main directory of this source
|
|
* distribution for the license terms and conditions.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/pci_ids.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");
|
|
MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}");
|
|
|
|
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, S_IRUGO);
|
|
MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)");
|
|
module_param(multiple, uint, S_IRUGO);
|
|
|
|
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
|
|
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
|
|
static int 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 DEFINE_PCI_DEVICE_TABLE(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 __devinit
|
|
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_create(index[dev], id[dev], THIS_MODULE, 0, &card);
|
|
if (err)
|
|
return err;
|
|
if ((reference_rate != 48000) && (reference_rate != 44100)) {
|
|
printk(KERN_ERR "ctxfi: Invalid reference_rate value %u!!!\n",
|
|
reference_rate);
|
|
printk(KERN_ERR "ctxfi: 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)) {
|
|
printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n",
|
|
multiple);
|
|
printk(KERN_ERR "ctxfi: 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 __devexit ct_card_remove(struct pci_dev *pci)
|
|
{
|
|
snd_card_free(pci_get_drvdata(pci));
|
|
pci_set_drvdata(pci, NULL);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int ct_card_suspend(struct pci_dev *pci, pm_message_t state)
|
|
{
|
|
struct snd_card *card = pci_get_drvdata(pci);
|
|
struct ct_atc *atc = card->private_data;
|
|
|
|
return atc->suspend(atc, state);
|
|
}
|
|
|
|
static int ct_card_resume(struct pci_dev *pci)
|
|
{
|
|
struct snd_card *card = pci_get_drvdata(pci);
|
|
struct ct_atc *atc = card->private_data;
|
|
|
|
return atc->resume(atc);
|
|
}
|
|
#endif
|
|
|
|
static struct pci_driver ct_driver = {
|
|
.name = KBUILD_MODNAME,
|
|
.id_table = ct_pci_dev_ids,
|
|
.probe = ct_card_probe,
|
|
.remove = __devexit_p(ct_card_remove),
|
|
#ifdef CONFIG_PM
|
|
.suspend = ct_card_suspend,
|
|
.resume = ct_card_resume,
|
|
#endif
|
|
};
|
|
|
|
static int __init ct_card_init(void)
|
|
{
|
|
return pci_register_driver(&ct_driver);
|
|
}
|
|
|
|
static void __exit ct_card_exit(void)
|
|
{
|
|
pci_unregister_driver(&ct_driver);
|
|
}
|
|
|
|
module_init(ct_card_init)
|
|
module_exit(ct_card_exit)
|