Version:  2.0.40 2.2.26 2.4.37 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17

Linux/sound/pci/ctxfi/xfi.c

  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 <linux/pci_ids.h>
 15 #include <linux/module.h>
 16 #include <sound/core.h>
 17 #include <sound/initval.h>
 18 #include "ctatc.h"
 19 #include "cthardware.h"
 20 
 21 MODULE_AUTHOR("Creative Technology Ltd");
 22 MODULE_DESCRIPTION("X-Fi driver version 1.03");
 23 MODULE_LICENSE("GPL v2");
 24 MODULE_SUPPORTED_DEVICE("{{Creative Labs, Sound Blaster X-Fi}");
 25 
 26 static unsigned int reference_rate = 48000;
 27 static unsigned int multiple = 2;
 28 MODULE_PARM_DESC(reference_rate, "Reference rate (default=48000)");
 29 module_param(reference_rate, uint, S_IRUGO);
 30 MODULE_PARM_DESC(multiple, "Rate multiplier (default=2)");
 31 module_param(multiple, uint, S_IRUGO);
 32 
 33 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 34 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 35 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
 36 static unsigned int subsystem[SNDRV_CARDS];
 37 
 38 module_param_array(index, int, NULL, 0444);
 39 MODULE_PARM_DESC(index, "Index value for Creative X-Fi driver");
 40 module_param_array(id, charp, NULL, 0444);
 41 MODULE_PARM_DESC(id, "ID string for Creative X-Fi driver");
 42 module_param_array(enable, bool, NULL, 0444);
 43 MODULE_PARM_DESC(enable, "Enable Creative X-Fi driver");
 44 module_param_array(subsystem, int, NULL, 0444);
 45 MODULE_PARM_DESC(subsystem, "Override subsystem ID for Creative X-Fi driver");
 46 
 47 static const struct pci_device_id ct_pci_dev_ids[] = {
 48         /* only X-Fi is supported, so... */
 49         { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1),
 50           .driver_data = ATC20K1,
 51         },
 52         { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2),
 53           .driver_data = ATC20K2,
 54         },
 55         { 0, }
 56 };
 57 MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids);
 58 
 59 static int
 60 ct_card_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 61 {
 62         static int dev;
 63         struct snd_card *card;
 64         struct ct_atc *atc;
 65         int err;
 66 
 67         if (dev >= SNDRV_CARDS)
 68                 return -ENODEV;
 69 
 70         if (!enable[dev]) {
 71                 dev++;
 72                 return -ENOENT;
 73         }
 74         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
 75                            0, &card);
 76         if (err)
 77                 return err;
 78         if ((reference_rate != 48000) && (reference_rate != 44100)) {
 79                 printk(KERN_ERR "ctxfi: Invalid reference_rate value %u!!!\n",
 80                        reference_rate);
 81                 printk(KERN_ERR "ctxfi: The valid values for reference_rate "
 82                        "are 48000 and 44100, Value 48000 is assumed.\n");
 83                 reference_rate = 48000;
 84         }
 85         if ((multiple != 1) && (multiple != 2) && (multiple != 4)) {
 86                 printk(KERN_ERR "ctxfi: Invalid multiple value %u!!!\n",
 87                        multiple);
 88                 printk(KERN_ERR "ctxfi: The valid values for multiple are "
 89                        "1, 2 and 4, Value 2 is assumed.\n");
 90                 multiple = 2;
 91         }
 92         err = ct_atc_create(card, pci, reference_rate, multiple,
 93                             pci_id->driver_data, subsystem[dev], &atc);
 94         if (err < 0)
 95                 goto error;
 96 
 97         card->private_data = atc;
 98 
 99         /* Create alsa devices supported by this card */
100         err = ct_atc_create_alsa_devs(atc);
101         if (err < 0)
102                 goto error;
103 
104         strcpy(card->driver, "SB-XFi");
105         strcpy(card->shortname, "Creative X-Fi");
106         snprintf(card->longname, sizeof(card->longname), "%s %s %s",
107                  card->shortname, atc->chip_name, atc->model_name);
108 
109         err = snd_card_register(card);
110         if (err < 0)
111                 goto error;
112 
113         pci_set_drvdata(pci, card);
114         dev++;
115 
116         return 0;
117 
118 error:
119         snd_card_free(card);
120         return err;
121 }
122 
123 static void ct_card_remove(struct pci_dev *pci)
124 {
125         snd_card_free(pci_get_drvdata(pci));
126 }
127 
128 #ifdef CONFIG_PM_SLEEP
129 static int ct_card_suspend(struct device *dev)
130 {
131         struct snd_card *card = dev_get_drvdata(dev);
132         struct ct_atc *atc = card->private_data;
133 
134         return atc->suspend(atc);
135 }
136 
137 static int ct_card_resume(struct device *dev)
138 {
139         struct snd_card *card = dev_get_drvdata(dev);
140         struct ct_atc *atc = card->private_data;
141 
142         return atc->resume(atc);
143 }
144 
145 static SIMPLE_DEV_PM_OPS(ct_card_pm, ct_card_suspend, ct_card_resume);
146 #define CT_CARD_PM_OPS  &ct_card_pm
147 #else
148 #define CT_CARD_PM_OPS  NULL
149 #endif
150 
151 static struct pci_driver ct_driver = {
152         .name = KBUILD_MODNAME,
153         .id_table = ct_pci_dev_ids,
154         .probe = ct_card_probe,
155         .remove = ct_card_remove,
156         .driver = {
157                 .pm = CT_CARD_PM_OPS,
158         },
159 };
160 
161 module_pci_driver(ct_driver);
162 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us