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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | /* * 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 <linux/module.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 bool 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 }; module_pci_driver(ct_driver); |