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09c434b8a0
Add SPDX license identifiers to all files which:
- Have no license information of any form
- Have MODULE_LICENCE("GPL*") inside which was used in the initial
scan/conversion to ignore the file
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* AdLib FM card driver.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/isa.h>
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#include <sound/core.h>
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#include <sound/initval.h>
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#include <sound/opl3.h>
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#define CRD_NAME "AdLib FM"
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#define DEV_NAME "adlib"
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MODULE_DESCRIPTION(CRD_NAME);
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MODULE_AUTHOR("Rene Herman");
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MODULE_LICENSE("GPL");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
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static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
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module_param_hw_array(port, long, ioport, NULL, 0444);
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MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
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static int snd_adlib_match(struct device *dev, unsigned int n)
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{
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if (!enable[n])
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return 0;
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if (port[n] == SNDRV_AUTO_PORT) {
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dev_err(dev, "please specify port\n");
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return 0;
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}
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return 1;
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}
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static void snd_adlib_free(struct snd_card *card)
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{
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release_and_free_resource(card->private_data);
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}
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static int snd_adlib_probe(struct device *dev, unsigned int n)
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{
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struct snd_card *card;
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struct snd_opl3 *opl3;
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int error;
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error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
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if (error < 0) {
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dev_err(dev, "could not create card\n");
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return error;
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}
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card->private_data = request_region(port[n], 4, CRD_NAME);
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if (!card->private_data) {
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dev_err(dev, "could not grab ports\n");
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error = -EBUSY;
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goto out;
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}
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card->private_free = snd_adlib_free;
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strcpy(card->driver, DEV_NAME);
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strcpy(card->shortname, CRD_NAME);
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sprintf(card->longname, CRD_NAME " at %#lx", port[n]);
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error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3);
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if (error < 0) {
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dev_err(dev, "could not create OPL\n");
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goto out;
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}
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error = snd_opl3_hwdep_new(opl3, 0, 0, NULL);
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if (error < 0) {
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dev_err(dev, "could not create FM\n");
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goto out;
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}
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error = snd_card_register(card);
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if (error < 0) {
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dev_err(dev, "could not register card\n");
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goto out;
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}
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dev_set_drvdata(dev, card);
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return 0;
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out: snd_card_free(card);
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return error;
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}
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static int snd_adlib_remove(struct device *dev, unsigned int n)
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{
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snd_card_free(dev_get_drvdata(dev));
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return 0;
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}
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static struct isa_driver snd_adlib_driver = {
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.match = snd_adlib_match,
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.probe = snd_adlib_probe,
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.remove = snd_adlib_remove,
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.driver = {
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.name = DEV_NAME
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}
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};
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module_isa_driver(snd_adlib_driver, SNDRV_CARDS);
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