4 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
6 * This source file is released under GPL v2 license (no other versions).
7 * See the COPYING file included in the main directory of this source
8 * distribution for the license terms and conditions.
11 #include <linux/init.h>
12 #include <linux/pci.h>
13 #include <linux/moduleparam.h>
14 #include <linux/pci_ids.h>
15 #include <sound/core.h>
16 #include <sound/initval.h>
19 MODULE_AUTHOR("Creative Technology Ltd");
20 MODULE_DESCRIPTION("X-Fi driver version 1.03");
21 MODULE_LICENSE("GPL v2");
22 MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}");
24 static unsigned int reference_rate = 48000;
25 static unsigned int multiple = 2;
26 MODULE_PARM_DESC(reference_rate, "Reference rate (default=48000)");
27 module_param(reference_rate, uint, S_IRUGO);
28 MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)");
29 module_param(multiple, uint, S_IRUGO);
31 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
32 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
33 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
35 module_param_array(index, int, NULL, 0444);
36 MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver");
37 module_param_array(id, charp, NULL, 0444);
38 MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver");
39 module_param_array(enable, bool, NULL, 0444);
40 MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver");
42 static struct pci_device_id ct_pci_dev_ids[] = {
43 /* only X-Fi is supported, so... */
44 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1) },
45 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2) },
48 MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids);
51 ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
54 struct snd_card *card;
58 if (dev >= SNDRV_CARDS)
65 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
68 if ((reference_rate != 48000) && (reference_rate != 44100)) {
69 printk(KERN_ERR "ctxfi: Invalid reference_rate value %u!!!\n",
71 printk(KERN_ERR "ctxfi: The valid values for reference_rate "
72 "are 48000 and 44100, Value 48000 is assumed.\n");
73 reference_rate = 48000;
75 if ((multiple != 1) && (multiple != 2)) {
76 printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n",
78 printk(KERN_ERR "ctxfi: The valid values for multiple are "
79 "1 and 2, Value 2 is assumed.\n");
82 err = ct_atc_create(card, pci, reference_rate, multiple, &atc);
86 card->private_data = atc;
88 /* Create alsa devices supported by this card */
89 err = atc->create_alsa_devs(atc);
93 strcpy(card->driver, "SB-XFi");
94 strcpy(card->shortname, "Creative X-Fi");
95 strcpy(card->longname, "Creative ALSA Driver X-Fi");
97 err = snd_card_register(card);
101 pci_set_drvdata(pci, card);
111 static void __devexit ct_card_remove(struct pci_dev *pci)
113 snd_card_free(pci_get_drvdata(pci));
114 pci_set_drvdata(pci, NULL);
117 static struct pci_driver ct_driver = {
119 .id_table = ct_pci_dev_ids,
120 .probe = ct_card_probe,
121 .remove = __devexit_p(ct_card_remove),
124 static int __init ct_card_init(void)
126 return pci_register_driver(&ct_driver);
129 static void __exit ct_card_exit(void)
131 pci_unregister_driver(&ct_driver);
134 module_init(ct_card_init)
135 module_exit(ct_card_exit)