projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 8cc72361 WYC |
1 | /* |
| 2 | * xfi linux driver. | |
| 3 | * | |
| 4 | * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. | |
| 5 | * | |
| 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. | |
| 9 | */ | |
| 10 | ||
| 11 | #include <linux/init.h> | |
| 12 | #include <linux/pci.h> | |
| 13 | #include <linux/moduleparam.h> | |
| 14 | #include <sound/core.h> | |
| 15 | #include <sound/initval.h> | |
| 16 | #include "ctatc.h" | |
| 17 | #include "ctdrv.h" | |
| 18 | ||
| 19 | MODULE_AUTHOR("Creative Technology Ltd"); | |
| 20 | MODULE_DESCRIPTION("X-Fi driver version 1.03"); | |
| 21 | MODULE_LICENSE("GPLv2"); | |
| 22 | MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}"); | |
| 23 | ||
| 24 | static unsigned int reference_rate = 48000; | |
| 25 | static unsigned int multiple = 2; | |
| 26 | module_param(reference_rate, uint, S_IRUGO); | |
| 27 | module_param(multiple, uint, S_IRUGO); | |
| 28 | ||
| 29 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
| 30 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
| 31 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; | |
| 32 | ||
| 33 | static struct pci_device_id ct_pci_dev_ids[] = { | |
| 34 | /* only X-Fi is supported, so... */ | |
| 35 | { PCI_DEVICE(PCI_VENDOR_CREATIVE, PCI_DEVICE_CREATIVE_20K1) }, | |
| 36 | { PCI_DEVICE(PCI_VENDOR_CREATIVE, PCI_DEVICE_CREATIVE_20K2) }, | |
| 37 | { 0, } | |
| 38 | }; | |
| 39 | MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids); | |
| 40 | ||
| 41 | static int __devinit | |
| 42 | ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) | |
| 43 | { | |
| 44 | static int dev; | |
| 45 | struct snd_card *card; | |
| 46 | struct ct_atc *atc; | |
| 47 | int err; | |
| 48 | ||
| 49 | if (dev >= SNDRV_CARDS) | |
| 50 | return -ENODEV; | |
| 51 | ||
| 52 | if (!enable[dev]) { | |
| 53 | dev++; | |
| 54 | return -ENOENT; | |
| 55 | } | |
| 56 | err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); | |
| 57 | if (err) | |
| 58 | return err; | |
| 59 | if ((reference_rate != 48000) && (reference_rate != 44100)) { | |
| 60 | printk(KERN_ERR "Invalid reference_rate value %u!!!\n" | |
| 61 | "The valid values for reference_rate " | |
| 62 | "are 48000 and 44100.\nValue 48000 is " | |
| 63 | "assumed.\n", reference_rate); | |
| 64 | reference_rate = 48000; | |
| 65 | } | |
| 66 | if ((multiple != 1) && (multiple != 2)) { | |
| 67 | printk(KERN_ERR "Invalid multiple value %u!!!\nThe valid " | |
| 68 | "values for multiple are 1 and 2.\nValue 2 " | |
| 69 | "is assumed.\n", multiple); | |
| 70 | multiple = 2; | |
| 71 | } | |
| 72 | err = ct_atc_create(card, pci, reference_rate, multiple, &atc); | |
| 73 | if (err < 0) | |
| 74 | goto error; | |
| 75 | ||
| 76 | card->private_data = atc; | |
| 77 | ||
| 78 | /* Create alsa devices supported by this card */ | |
| 79 | err = atc->create_alsa_devs(atc); | |
| 80 | if (err < 0) | |
| 81 | goto error; | |
| 82 | ||
| 83 | strcpy(card->driver, "SB-XFi"); | |
| 84 | strcpy(card->shortname, "Creative X-Fi"); | |
| 85 | strcpy(card->longname, "Creative ALSA Driver X-Fi"); | |
| 86 | ||
| 87 | err = snd_card_register(card); | |
| 88 | if (err < 0) | |
| 89 | goto error; | |
| 90 | ||
| 91 | pci_set_drvdata(pci, card); | |
| 92 | dev++; | |
| 93 | ||
| 94 | return 0; | |
| 95 | ||
| 96 | error: | |
| 97 | snd_card_free(card); | |
| 98 | return err; | |
| 99 | } | |
| 100 | ||
| 101 | static void __devexit ct_card_remove(struct pci_dev *pci) | |
| 102 | { | |
| 103 | snd_card_free(pci_get_drvdata(pci)); | |
| 104 | pci_set_drvdata(pci, NULL); | |
| 105 | } | |
| 106 | ||
| 107 | static struct pci_driver ct_driver = { | |
| 108 | .name = "SB-XFi", | |
| 109 | .id_table = ct_pci_dev_ids, | |
| 110 | .probe = ct_card_probe, | |
| 111 | .remove = __devexit_p(ct_card_remove), | |
| 112 | }; | |
| 113 | ||
| 114 | static int __init ct_card_init(void) | |
| 115 | { | |
| 116 | return pci_register_driver(&ct_driver); | |
| 117 | } | |
| 118 | ||
| 119 | static void __exit ct_card_exit(void) | |
| 120 | { | |
| 121 | pci_unregister_driver(&ct_driver); | |
| 122 | } | |
| 123 | ||
| 124 | module_init(ct_card_init) | |
| 125 | module_exit(ct_card_exit) |