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>
18 #include "cthardware.h"
20 MODULE_AUTHOR("Creative Technology Ltd");
21 MODULE_DESCRIPTION("X-Fi driver version 1.03");
22 MODULE_LICENSE("GPL v2");
23 MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}");
25 static unsigned int reference_rate = 48000;
26 static unsigned int multiple = 2;
27 MODULE_PARM_DESC(reference_rate, "Reference rate (default=48000)");
28 module_param(reference_rate, uint, S_IRUGO);
29 MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)");
30 module_param(multiple, uint, S_IRUGO);
32 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
33 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
34 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
36 module_param_array(index, int, NULL, 0444);
37 MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver");
38 module_param_array(id, charp, NULL, 0444);
39 MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver");
40 module_param_array(enable, bool, NULL, 0444);
41 MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver");
43 static struct pci_device_id ct_pci_dev_ids[] = {
44 /* only X-Fi is supported, so... */
45 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1),
46 .driver_data = ATC20K1,
48 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2),
49 .driver_data = ATC20K2,
53 MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids);
56 ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
59 struct snd_card *card;
63 if (dev >= SNDRV_CARDS)
70 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
73 if ((reference_rate != 48000) && (reference_rate != 44100)) {
74 printk(KERN_ERR "ctxfi: Invalid reference_rate value %u!!!\n",
76 printk(KERN_ERR "ctxfi: The valid values for reference_rate "
77 "are 48000 and 44100, Value 48000 is assumed.\n");
78 reference_rate = 48000;
80 if ((multiple != 1) && (multiple != 2)) {
81 printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n",
83 printk(KERN_ERR "ctxfi: The valid values for multiple are "
84 "1 and 2, Value 2 is assumed.\n");
87 err = ct_atc_create(card, pci, reference_rate, multiple,
88 pci_id->driver_data, &atc);
92 card->private_data = atc;
94 /* Create alsa devices supported by this card */
95 err = ct_atc_create_alsa_devs(atc);
99 strcpy(card->driver, "SB-XFi");
100 strcpy(card->shortname, "Creative X-Fi");
101 snprintf(card->longname, sizeof(card->longname), "%s %s %s",
102 card->shortname, atc->chip_name, atc->model_name);
104 err = snd_card_register(card);
108 pci_set_drvdata(pci, card);
118 static void __devexit ct_card_remove(struct pci_dev *pci)
120 snd_card_free(pci_get_drvdata(pci));
121 pci_set_drvdata(pci, NULL);
124 static struct pci_driver ct_driver = {
126 .id_table = ct_pci_dev_ids,
127 .probe = ct_card_probe,
128 .remove = __devexit_p(ct_card_remove),
131 static int __init ct_card_init(void)
133 return pci_register_driver(&ct_driver);
136 static void __exit ct_card_exit(void)
138 pci_unregister_driver(&ct_driver);
141 module_init(ct_card_init)
142 module_exit(ct_card_exit)