Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / isa / adlib.c

diff --git a/kernel/sound/isa/adlib.c b/kernel/sound/isa/adlib.c
new file mode 100644 (file)
index 0000000..120c524
--- /dev/null
+++ b/kernel/sound/isa/adlib.c
@@ -0,0 +1,126 @@
+/*
+ * AdLib FM card driver.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/isa.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/opl3.h>
+
+#define CRD_NAME "AdLib FM"
+#define DEV_NAME "adlib"
+
+MODULE_DESCRIPTION(CRD_NAME);
+MODULE_AUTHOR("Rene Herman");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
+module_param_array(port, long, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
+
+static int snd_adlib_match(struct device *dev, unsigned int n)
+{
+       if (!enable[n])
+               return 0;
+
+       if (port[n] == SNDRV_AUTO_PORT) {
+               dev_err(dev, "please specify port\n");
+               return 0;
+       }
+       return 1;
+}
+
+static void snd_adlib_free(struct snd_card *card)
+{
+       release_and_free_resource(card->private_data);
+}
+
+static int snd_adlib_probe(struct device *dev, unsigned int n)
+{
+       struct snd_card *card;
+       struct snd_opl3 *opl3;
+       int error;
+
+       error = snd_card_new(dev, index[n], id[n], THIS_MODULE, 0, &card);
+       if (error < 0) {
+               dev_err(dev, "could not create card\n");
+               return error;
+       }
+
+       card->private_data = request_region(port[n], 4, CRD_NAME);
+       if (!card->private_data) {
+               dev_err(dev, "could not grab ports\n");
+               error = -EBUSY;
+               goto out;
+       }
+       card->private_free = snd_adlib_free;
+
+       strcpy(card->driver, DEV_NAME);
+       strcpy(card->shortname, CRD_NAME);
+       sprintf(card->longname, CRD_NAME " at %#lx", port[n]);
+
+       error = snd_opl3_create(card, port[n], port[n] + 2, OPL3_HW_AUTO, 1, &opl3);
+       if (error < 0) {
+               dev_err(dev, "could not create OPL\n");
+               goto out;
+       }
+
+       error = snd_opl3_hwdep_new(opl3, 0, 0, NULL);
+       if (error < 0) {
+               dev_err(dev, "could not create FM\n");
+               goto out;
+       }
+
+       error = snd_card_register(card);
+       if (error < 0) {
+               dev_err(dev, "could not register card\n");
+               goto out;
+       }
+
+       dev_set_drvdata(dev, card);
+       return 0;
+
+out:   snd_card_free(card);
+       return error;
+}
+
+static int snd_adlib_remove(struct device *dev, unsigned int n)
+{
+       snd_card_free(dev_get_drvdata(dev));
+       return 0;
+}
+
+static struct isa_driver snd_adlib_driver = {
+       .match          = snd_adlib_match,
+       .probe          = snd_adlib_probe,
+       .remove         = snd_adlib_remove,
+
+       .driver         = {
+               .name   = DEV_NAME
+       }
+};
+
+static int __init alsa_card_adlib_init(void)
+{
+       return isa_register_driver(&snd_adlib_driver, SNDRV_CARDS);
+}
+
+static void __exit alsa_card_adlib_exit(void)
+{
+       isa_unregister_driver(&snd_adlib_driver);
+}
+
+module_init(alsa_card_adlib_init);
+module_exit(alsa_card_adlib_exit);