2 * AdLib FM card driver.
5 #include <linux/kernel.h>
6 #include <linux/module.h>
8 #include <sound/core.h>
9 #include <sound/initval.h>
10 #include <sound/opl3.h>
12 #define CRD_NAME "AdLib FM"
13 #define DEV_NAME "adlib"
15 MODULE_DESCRIPTION(CRD_NAME);
16 MODULE_AUTHOR("Rene Herman");
17 MODULE_LICENSE("GPL");
19 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
20 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
21 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
22 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
24 module_param_array(index, int, NULL, 0444);
25 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
26 module_param_array(id, charp, NULL, 0444);
27 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
28 module_param_array(enable, bool, NULL, 0444);
29 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
30 module_param_array(port, long, NULL, 0444);
31 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
33 static int __devinit snd_adlib_match(struct device *dev, unsigned int n)
38 if (port[n] == SNDRV_AUTO_PORT) {
39 dev_err(dev, "please specify port\n");
45 static void snd_adlib_free(struct snd_card *card)
47 release_and_free_resource(card->private_data);
50 static int __devinit snd_adlib_probe(struct device *dev, unsigned int n)
52 struct snd_card *card;
53 struct snd_opl3 *opl3;
56 error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card);
58 dev_err(dev, "could not create card\n");
62 card->private_data = request_region(port[n], 4, CRD_NAME);
63 if (!card->private_data) {
64 dev_err(dev, "could not grab ports\n");
68 card->private_free = snd_adlib_free;
70 strcpy(card->driver, DEV_NAME);
71 strcpy(card->shortname, CRD_NAME);
72 sprintf(card->longname, CRD_NAME " at %#lx", port[n]);
74 error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3);
76 dev_err(dev, "could not create OPL\n");
80 error = snd_opl3_hwdep_new(opl3, 0, 0, NULL);
82 dev_err(dev, "could not create FM\n");
86 snd_card_set_dev(card, dev);
88 error = snd_card_register(card);
90 dev_err(dev, "could not register card\n");
94 dev_set_drvdata(dev, card);
97 out: snd_card_free(card);
101 static int __devexit snd_adlib_remove(struct device *dev, unsigned int n)
103 snd_card_free(dev_get_drvdata(dev));
104 dev_set_drvdata(dev, NULL);
108 static struct isa_driver snd_adlib_driver = {
109 .match = snd_adlib_match,
110 .probe = snd_adlib_probe,
111 .remove = __devexit_p(snd_adlib_remove),
118 static int __init alsa_card_adlib_init(void)
120 return isa_register_driver(&snd_adlib_driver, SNDRV_CARDS);
123 static void __exit alsa_card_adlib_exit(void)
125 isa_unregister_driver(&snd_adlib_driver);
128 module_init(alsa_card_adlib_init);
129 module_exit(alsa_card_adlib_exit);