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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * AdLib FM card driver.4 */5 6#include <linux/kernel.h>7#include <linux/module.h>8#include <linux/isa.h>9#include <sound/core.h>10#include <sound/initval.h>11#include <sound/opl3.h>12 13#define CRD_NAME "AdLib FM"14#define DEV_NAME "adlib"15 16MODULE_DESCRIPTION(CRD_NAME);17MODULE_AUTHOR("Rene Herman");18MODULE_LICENSE("GPL");19 20static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;21static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;22static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;23static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;24 25module_param_array(index, int, NULL, 0444);26MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");27module_param_array(id, charp, NULL, 0444);28MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");29module_param_array(enable, bool, NULL, 0444);30MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");31module_param_hw_array(port, long, ioport, NULL, 0444);32MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");33 34static int snd_adlib_match(struct device *dev, unsigned int n)35{36 if (!enable[n])37 return 0;38 39 if (port[n] == SNDRV_AUTO_PORT) {40 dev_err(dev, "please specify port\n");41 return 0;42 }43 return 1;44}45 46static int snd_adlib_probe(struct device *dev, unsigned int n)47{48 struct snd_card *card;49 struct snd_opl3 *opl3;50 int error;51 52 error = snd_devm_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);53 if (error < 0) {54 dev_err(dev, "could not create card\n");55 return error;56 }57 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");61 return -EBUSY;62 }63 64 strcpy(card->driver, DEV_NAME);65 strcpy(card->shortname, CRD_NAME);66 sprintf(card->longname, CRD_NAME " at %#lx", port[n]);67 68 error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3);69 if (error < 0) {70 dev_err(dev, "could not create OPL\n");71 return error;72 }73 74 error = snd_opl3_hwdep_new(opl3, 0, 0, NULL);75 if (error < 0) {76 dev_err(dev, "could not create FM\n");77 return error;78 }79 80 error = snd_card_register(card);81 if (error < 0) {82 dev_err(dev, "could not register card\n");83 return error;84 }85 86 dev_set_drvdata(dev, card);87 return 0;88}89 90static struct isa_driver snd_adlib_driver = {91 .match = snd_adlib_match,92 .probe = snd_adlib_probe,93 94 .driver = {95 .name = DEV_NAME96 }97};98 99module_isa_driver(snd_adlib_driver, SNDRV_CARDS);100