diff options
Diffstat (limited to 'sound/pci/ctxfi/xfi.c')
| -rw-r--r-- | sound/pci/ctxfi/xfi.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/xfi.c b/sound/pci/ctxfi/xfi.c new file mode 100644 index 000000000000..f91144036512 --- /dev/null +++ b/sound/pci/ctxfi/xfi.c @@ -0,0 +1,125 @@ +/* + * 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 <sound/core.h> +#include <sound/initval.h> +#include "ctatc.h" +#include "ctdrv.h" + +MODULE_AUTHOR("Creative Technology Ltd"); +MODULE_DESCRIPTION("X-Fi driver version 1.03"); +MODULE_LICENSE("GPLv2"); +MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}"); + +static unsigned int reference_rate = 48000; +static unsigned int multiple = 2; +module_param(reference_rate, uint, S_IRUGO); +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 struct pci_device_id ct_pci_dev_ids[] = { + /* only X-Fi is supported, so... */ + { PCI_DEVICE(PCI_VENDOR_CREATIVE, PCI_DEVICE_CREATIVE_20K1) }, + { PCI_DEVICE(PCI_VENDOR_CREATIVE, PCI_DEVICE_CREATIVE_20K2) }, + { 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 "Invalid reference_rate value %u!!!\n" + "The valid values for reference_rate " + "are 48000 and 44100.\nValue 48000 is " + "assumed.\n", reference_rate); + reference_rate = 48000; + } + if ((multiple != 1) && (multiple != 2)) { + printk(KERN_ERR "Invalid multiple value %u!!!\nThe valid " + "values for multiple are 1 and 2.\nValue 2 " + "is assumed.\n", multiple); + multiple = 2; + } + err = ct_atc_create(card, pci, reference_rate, multiple, &atc); + if (err < 0) + goto error; + + card->private_data = atc; + + /* Create alsa devices supported by this card */ + err = atc->create_alsa_devs(atc); + if (err < 0) + goto error; + + strcpy(card->driver, "SB-XFi"); + strcpy(card->shortname, "Creative X-Fi"); + strcpy(card->longname, "Creative ALSA Driver X-Fi"); + + 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); +} + +static struct pci_driver ct_driver = { + .name = "SB-XFi", + .id_table = ct_pci_dev_ids, + .probe = ct_card_probe, + .remove = __devexit_p(ct_card_remove), +}; + +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) |