summaryrefslogtreecommitdiff
path: root/sound/firewire/fireface/ff.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/firewire/fireface/ff.c')
-rw-r--r--sound/firewire/fireface/ff.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/sound/firewire/fireface/ff.c b/sound/firewire/fireface/ff.c
new file mode 100644
index 000000000000..358bba23deeb
--- /dev/null
+++ b/sound/firewire/fireface/ff.c
@@ -0,0 +1,113 @@
+/*
+ * ff.c - a part of driver for RME Fireface series
+ *
+ * Copyright (c) 2015-2017 Takashi Sakamoto
+ *
+ * Licensed under the terms of the GNU General Public License, version 2.
+ */
+
+#include "ff.h"
+
+#define OUI_RME 0x000a35
+
+MODULE_DESCRIPTION("RME Fireface series Driver");
+MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
+MODULE_LICENSE("GPL v2");
+
+static void name_card(struct snd_ff *ff)
+{
+ struct fw_device *fw_dev = fw_parent_device(ff->unit);
+ const char *const model = "Fireface Skeleton";
+
+ strcpy(ff->card->driver, "Fireface");
+ strcpy(ff->card->shortname, model);
+ strcpy(ff->card->mixername, model);
+ snprintf(ff->card->longname, sizeof(ff->card->longname),
+ "RME %s, GUID %08x%08x at %s, S%d", model,
+ fw_dev->config_rom[3], fw_dev->config_rom[4],
+ dev_name(&ff->unit->device), 100 << fw_dev->max_speed);
+}
+
+static void ff_card_free(struct snd_card *card)
+{
+ struct snd_ff *ff = card->private_data;
+
+ fw_unit_put(ff->unit);
+
+ mutex_destroy(&ff->mutex);
+}
+
+static int snd_ff_probe(struct fw_unit *unit,
+ const struct ieee1394_device_id *entry)
+{
+ struct snd_card *card;
+ struct snd_ff *ff;
+ int err;
+
+ err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE,
+ sizeof(struct snd_ff), &card);
+ if (err < 0)
+ return err;
+ card->private_free = ff_card_free;
+
+ /* initialize myself */
+ ff = card->private_data;
+ ff->card = card;
+ ff->unit = fw_unit_get(unit);
+ dev_set_drvdata(&unit->device, ff);
+
+ mutex_init(&ff->mutex);
+
+ name_card(ff);
+
+ err = snd_card_register(card);
+ if (err < 0) {
+ snd_card_free(card);
+ return err;
+ }
+
+ return 0;
+}
+
+static void snd_ff_update(struct fw_unit *unit)
+{
+ return;
+}
+
+static void snd_ff_remove(struct fw_unit *unit)
+{
+ struct snd_ff *ff = dev_get_drvdata(&unit->device);
+
+ /* No need to wait for releasing card object in this context. */
+ snd_card_free_when_closed(ff->card);
+}
+
+static const struct ieee1394_device_id snd_ff_id_table[] = {
+ {}
+};
+MODULE_DEVICE_TABLE(ieee1394, snd_ff_id_table);
+
+static struct fw_driver ff_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "snd-fireface",
+ .bus = &fw_bus_type,
+ },
+ .probe = snd_ff_probe,
+ .update = snd_ff_update,
+ .remove = snd_ff_remove,
+ .id_table = snd_ff_id_table,
+};
+
+static int __init snd_ff_init(void)
+{
+ return driver_register(&ff_driver.driver);
+}
+
+static void __exit snd_ff_exit(void)
+{
+ driver_unregister(&ff_driver.driver);
+}
+
+module_init(snd_ff_init);
+module_exit(snd_ff_exit);