Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / pci / ctxfi / xfi.c

diff --git a/kernel/sound/pci/ctxfi/xfi.c b/kernel/sound/pci/ctxfi/xfi.c
new file mode 100644 (file)
index 0000000..f2f3277
--- /dev/null
+++ b/kernel/sound/pci/ctxfi/xfi.c
@@ -0,0 +1,162 @@
+/*
+ * 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 const struct pci_device_id 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
+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_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+                          0, &card);
+       if (err)
+               return err;
+       if ((reference_rate != 48000) && (reference_rate != 44100)) {
+               dev_err(card->dev,
+                       "Invalid reference_rate value %u!!!\n",
+                       reference_rate);
+               dev_err(card->dev,
+                       "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)) {
+               dev_err(card->dev, "Invalid multiple value %u!!!\n",
+                       multiple);
+               dev_err(card->dev,
+                       "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 ct_card_remove(struct pci_dev *pci)
+{
+       snd_card_free(pci_get_drvdata(pci));
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int ct_card_suspend(struct device *dev)
+{
+       struct snd_card *card = dev_get_drvdata(dev);
+       struct ct_atc *atc = card->private_data;
+
+       return atc->suspend(atc);
+}
+
+static int ct_card_resume(struct device *dev)
+{
+       struct snd_card *card = dev_get_drvdata(dev);
+       struct ct_atc *atc = card->private_data;
+
+       return atc->resume(atc);
+}
+
+static SIMPLE_DEV_PM_OPS(ct_card_pm, ct_card_suspend, ct_card_resume);
+#define CT_CARD_PM_OPS &ct_card_pm
+#else
+#define CT_CARD_PM_OPS NULL
+#endif
+
+static struct pci_driver ct_driver = {
+       .name = KBUILD_MODNAME,
+       .id_table = ct_pci_dev_ids,
+       .probe = ct_card_probe,
+       .remove = ct_card_remove,
+       .driver = {
+               .pm = CT_CARD_PM_OPS,
+       },
+};
+
+module_pci_driver(ct_driver);