1 // SPDX-License-Identifier: GPL-2.0-only
3 * AdLib FM card driver.
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 bool 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_hw_array(port, long, ioport, NULL, 0444);
32 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
34 static int snd_adlib_match(struct device *dev, unsigned int n)
39 if (port[n] == SNDRV_AUTO_PORT) {
40 dev_err(dev, "please specify port\n");
46 static int snd_adlib_probe(struct device *dev, unsigned int n)
48 struct snd_card *card;
49 struct snd_opl3 *opl3;
52 error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
54 dev_err(dev, "could not create card\n");
58 card->private_data = devm_request_region(dev, port[n], 4, CRD_NAME);
59 if (!card->private_data) {
60 dev_err(dev, "could not grab ports\n");
64 strcpy(card->driver, DEV_NAME);
65 strcpy(card->shortname, CRD_NAME);
66 sprintf(card->longname, CRD_NAME " at %#lx", port[n]);
68 error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3);
70 dev_err(dev, "could not create OPL\n");
74 error = snd_opl3_hwdep_new(opl3, 0, 0, NULL);
76 dev_err(dev, "could not create FM\n");
80 error = snd_card_register(card);
82 dev_err(dev, "could not register card\n");
86 dev_set_drvdata(dev, card);
90 static struct isa_driver snd_adlib_driver = {
91 .match = snd_adlib_match,
92 .probe = snd_adlib_probe,
99 module_isa_driver(snd_adlib_driver, SNDRV_CARDS);