2 * AdLib FM card driver.
5 #include <sound/driver.h>
6 #include <linux/kernel.h>
7 #include <linux/module.h>
9 #include <sound/core.h>
10 #include <sound/initval.h>
11 #include <sound/opl3.h>
13 #define CRD_NAME "AdLib FM"
14 #define DEV_NAME "adlib"
16 MODULE_DESCRIPTION(CRD_NAME);
17 MODULE_AUTHOR("Rene Herman");
18 MODULE_LICENSE("GPL");
20 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
21 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
22 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
23 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
25 module_param_array(index, int, NULL, 0444);
26 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
27 module_param_array(id, charp, NULL, 0444);
28 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
29 module_param_array(enable, bool, NULL, 0444);
30 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
31 module_param_array(port, long, NULL, 0444);
32 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
34 static int __devinit snd_adlib_match(struct device *dev, unsigned int n)
39 if (port[n] == SNDRV_AUTO_PORT) {
40 snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id);
46 static void snd_adlib_free(struct snd_card *card)
48 release_and_free_resource(card->private_data);
51 static int __devinit snd_adlib_probe(struct device *dev, unsigned int n)
53 struct snd_card *card;
54 struct snd_opl3 *opl3;
57 card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
59 snd_printk(KERN_ERR "%s: could not create card\n", dev->bus_id);
63 card->private_data = request_region(port[n], 4, CRD_NAME);
64 if (!card->private_data) {
65 snd_printk(KERN_ERR "%s: could not grab ports\n", dev->bus_id);
69 card->private_free = snd_adlib_free;
71 strcpy(card->driver, DEV_NAME);
72 strcpy(card->shortname, CRD_NAME);
73 sprintf(card->longname, CRD_NAME " at %#lx", port[n]);
75 error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3);
77 snd_printk(KERN_ERR "%s: could not create OPL\n", dev->bus_id);
81 error = snd_opl3_hwdep_new(opl3, 0, 0, NULL);
83 snd_printk(KERN_ERR "%s: could not create FM\n", dev->bus_id);
87 snd_card_set_dev(card, dev);
89 error = snd_card_register(card);
91 snd_printk(KERN_ERR "%s: could not register card\n", dev->bus_id);
95 dev_set_drvdata(dev, card);
98 out: snd_card_free(card);
102 static int __devexit snd_adlib_remove(struct device *dev, unsigned int n)
104 snd_card_free(dev_get_drvdata(dev));
105 dev_set_drvdata(dev, NULL);
109 static struct isa_driver snd_adlib_driver = {
110 .match = snd_adlib_match,
111 .probe = snd_adlib_probe,
112 .remove = __devexit_p(snd_adlib_remove),
119 static int __init alsa_card_adlib_init(void)
121 return isa_register_driver(&snd_adlib_driver, SNDRV_CARDS);
124 static void __exit alsa_card_adlib_exit(void)
126 isa_unregister_driver(&snd_adlib_driver);
129 module_init(alsa_card_adlib_init);
130 module_exit(alsa_card_adlib_exit);