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158 lines
4.0 KiB
158 lines
4.0 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* xfi linux driver. |
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* |
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* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. |
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*/ |
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#include <linux/init.h> |
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#include <linux/pci.h> |
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#include <linux/moduleparam.h> |
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#include <linux/pci_ids.h> |
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#include <linux/module.h> |
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#include <sound/core.h> |
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#include <sound/initval.h> |
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#include "ctatc.h" |
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#include "cthardware.h" |
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MODULE_AUTHOR("Creative Technology Ltd"); |
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MODULE_DESCRIPTION("X-Fi driver version 1.03"); |
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MODULE_LICENSE("GPL v2"); |
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static unsigned int reference_rate = 48000; |
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static unsigned int multiple = 2; |
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MODULE_PARM_DESC(reference_rate, "Reference rate (default=48000)"); |
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module_param(reference_rate, uint, 0444); |
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MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)"); |
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module_param(multiple, uint, 0444); |
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; |
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; |
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
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static unsigned int subsystem[SNDRV_CARDS]; |
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module_param_array(index, int, NULL, 0444); |
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MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver"); |
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module_param_array(id, charp, NULL, 0444); |
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MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver"); |
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module_param_array(enable, bool, NULL, 0444); |
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MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver"); |
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module_param_array(subsystem, int, NULL, 0444); |
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MODULE_PARM_DESC(subsystem, "Override subsystem ID for Creative X-Fi driver"); |
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static const struct pci_device_id ct_pci_dev_ids[] = { |
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/* only X-Fi is supported, so... */ |
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{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1), |
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.driver_data = ATC20K1, |
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}, |
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{ PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2), |
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.driver_data = ATC20K2, |
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}, |
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{ 0, } |
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}; |
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MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids); |
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static int |
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ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) |
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{ |
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static int dev; |
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struct snd_card *card; |
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struct ct_atc *atc; |
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int err; |
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if (dev >= SNDRV_CARDS) |
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return -ENODEV; |
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if (!enable[dev]) { |
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dev++; |
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return -ENOENT; |
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} |
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err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, |
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0, &card); |
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if (err) |
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return err; |
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if ((reference_rate != 48000) && (reference_rate != 44100)) { |
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dev_err(card->dev, |
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"Invalid reference_rate value %u!!!\n", |
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reference_rate); |
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dev_err(card->dev, |
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"The valid values for reference_rate are 48000 and 44100, Value 48000 is assumed.\n"); |
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reference_rate = 48000; |
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} |
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if ((multiple != 1) && (multiple != 2) && (multiple != 4)) { |
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dev_err(card->dev, "Invalid multiple value %u!!!\n", |
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multiple); |
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dev_err(card->dev, |
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"The valid values for multiple are 1, 2 and 4, Value 2 is assumed.\n"); |
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multiple = 2; |
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} |
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err = ct_atc_create(card, pci, reference_rate, multiple, |
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pci_id->driver_data, subsystem[dev], &atc); |
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if (err < 0) |
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goto error; |
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card->private_data = atc; |
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/* Create alsa devices supported by this card */ |
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err = ct_atc_create_alsa_devs(atc); |
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if (err < 0) |
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goto error; |
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strcpy(card->driver, "SB-XFi"); |
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strcpy(card->shortname, "Creative X-Fi"); |
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snprintf(card->longname, sizeof(card->longname), "%s %s %s", |
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card->shortname, atc->chip_name, atc->model_name); |
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err = snd_card_register(card); |
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if (err < 0) |
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goto error; |
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pci_set_drvdata(pci, card); |
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dev++; |
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return 0; |
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error: |
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snd_card_free(card); |
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return err; |
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} |
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static void ct_card_remove(struct pci_dev *pci) |
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{ |
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snd_card_free(pci_get_drvdata(pci)); |
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} |
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#ifdef CONFIG_PM_SLEEP |
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static int ct_card_suspend(struct device *dev) |
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{ |
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struct snd_card *card = dev_get_drvdata(dev); |
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struct ct_atc *atc = card->private_data; |
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return atc->suspend(atc); |
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} |
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static int ct_card_resume(struct device *dev) |
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{ |
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struct snd_card *card = dev_get_drvdata(dev); |
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struct ct_atc *atc = card->private_data; |
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return atc->resume(atc); |
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} |
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static SIMPLE_DEV_PM_OPS(ct_card_pm, ct_card_suspend, ct_card_resume); |
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#define CT_CARD_PM_OPS &ct_card_pm |
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#else |
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#define CT_CARD_PM_OPS NULL |
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#endif |
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static struct pci_driver ct_driver = { |
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.name = KBUILD_MODNAME, |
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.id_table = ct_pci_dev_ids, |
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.probe = ct_card_probe, |
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.remove = ct_card_remove, |
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.driver = { |
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.pm = CT_CARD_PM_OPS, |
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}, |
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}; |
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module_pci_driver(ct_driver);
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