[alsa-devel] [PATCH 01/13] bebob: Add skelton for BridgeCo BeBoB based devices
Takashi Sakamoto
o-takashi at sakamocchi.jp
Sat Nov 23 07:09:13 CET 2013
This commit add a new driver with no functionality.
This driver just reacts to Firewire bus events and create/remove card instance.
Signed-off-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>
---
sound/firewire/Kconfig | 20 +++
sound/firewire/Makefile | 1 +
sound/firewire/bebob/Makefile | 2 +
sound/firewire/bebob/bebob.c | 274 ++++++++++++++++++++++++++++++++++++++++++
sound/firewire/bebob/bebob.h | 74 ++++++++++++
5 files changed, 371 insertions(+)
create mode 100644 sound/firewire/bebob/Makefile
create mode 100644 sound/firewire/bebob/bebob.c
create mode 100644 sound/firewire/bebob/bebob.h
diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig
index b3e274f..5349652 100644
--- a/sound/firewire/Kconfig
+++ b/sound/firewire/Kconfig
@@ -61,4 +61,24 @@ config SND_SCS1X
To compile this driver as a module, choose M here: the module
will be called snd-scs1x.
+config SND_BEBOB
+ tristate "BridgeCo BeBoB chipset support"
+ select SND_FIREWIRE_LIB
+ help
+ Say Y here to include support for FireWire devices based
+ on BridgeCo BeBoB chipset:
+ * Edirol FA-66/FA-101
+ * Mackie OnyxFirewire
+ * Tascam IF-FW/DM
+ * Behringer X32
+ * Apogee Rosetta200
+ * ESI Quotafire610
+ * AcousticReality eARMasterOne
+ * CME MatrixKFW
+ * Phonic HB24U
+ * BridgeCo RDAudio1/Audio5
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-fireworks.
+
endif # SND_FIREWIRE
diff --git a/sound/firewire/Makefile b/sound/firewire/Makefile
index 5099550..f2d1c5c 100644
--- a/sound/firewire/Makefile
+++ b/sound/firewire/Makefile
@@ -10,3 +10,4 @@ obj-$(CONFIG_SND_DICE) += snd-dice.o
obj-$(CONFIG_SND_FIREWIRE_SPEAKERS) += snd-firewire-speakers.o
obj-$(CONFIG_SND_ISIGHT) += snd-isight.o
obj-$(CONFIG_SND_SCS1X) += snd-scs1x.o
+obj-$(CONFIG_SND_BEBOB) += bebob/
diff --git a/sound/firewire/bebob/Makefile b/sound/firewire/bebob/Makefile
new file mode 100644
index 0000000..c6f0141
--- /dev/null
+++ b/sound/firewire/bebob/Makefile
@@ -0,0 +1,2 @@
+snd-bebob-objs := bebob.o
+obj-m += snd-bebob.o
diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c
new file mode 100644
index 0000000..bec4b6f
--- /dev/null
+++ b/sound/firewire/bebob/bebob.c
@@ -0,0 +1,274 @@
+/*
+ * bebob.c - a part of driver for BeBoB based devices
+ *
+ * Copyright (c) 2013 Takashi Sakamoto
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "bebob.h"
+
+MODULE_DESCRIPTION("bridgeCo BeBoB driver");
+MODULE_AUTHOR("Takashi Sakamoto <o-takashi at sakamocchi.jp>");
+MODULE_LICENSE("GPL v2");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "card index");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "enable BeBoB sound card");
+
+static DEFINE_MUTEX(devices_mutex);
+static unsigned int devices_used;
+
+/* Offsets from information register. */
+#define INFO_OFFSET_GUID 0x10
+#define INFO_OFFSET_HW_MODEL_ID 0x18
+#define INFO_OFFSET_HW_MODEL_REVISION 0x1c
+
+#define VEN_EDIROL 0x000040ab
+#define VEN_BRIDGECO 0x000007f5
+#define VEN_MACKIE 0x0000000f
+#define VEN_TASCOM 0x0000022e
+#define VEN_BEHRINGER 0x00001564
+#define VEN_APOGEE 0x000003db
+#define VEN_ESI 0x00000f1b
+#define VEN_ACOUSTIC 0x00000002
+#define VEN_CME 0x0000000a
+#define VEN_PHONIC 0x00001496
+
+static int
+name_device(struct snd_bebob *bebob, unsigned int vendor_id)
+{
+ char vendor[24] = {};
+ char model[24] = {};
+ u32 id;
+ u32 data[2] = {};
+ u32 revision;
+ int err;
+
+ /* get vendor name */
+ if (vendor_id == VEN_EDIROL)
+ strcpy(vendor, "Edirol");
+ else if (vendor_id == VEN_BRIDGECO)
+ strcpy(vendor, "BridgeCo");
+ else if (vendor_id == VEN_MACKIE)
+ strcpy(vendor, "Mackie");
+ else if (vendor_id == VEN_TASCOM)
+ strcpy(vendor, "Tacsom");
+ else if (vendor_id == VEN_BEHRINGER)
+ strcpy(vendor, "Behringer");
+ else if (vendor_id == VEN_APOGEE)
+ strcpy(vendor, "Apogee");
+ else if (vendor_id == VEN_ESI)
+ strcpy(vendor, "ESI");
+ else if (vendor_id == VEN_ACOUSTIC)
+ strcpy(vendor, "AcousticReality");
+ else if (vendor_id == VEN_CME)
+ strcpy(vendor, "CME");
+ else if (vendor_id == VEN_PHONIC)
+ strcpy(vendor, "Phonic");
+
+ /* get model name */
+ err = fw_csr_string(bebob->unit->directory, CSR_MODEL,
+ model, sizeof(model));
+ if (err < 0)
+ goto end;
+
+ /* get hardware id */
+ err = snd_bebob_read_quad(bebob, INFO_OFFSET_HW_MODEL_ID,
+ &id, sizeof(id));
+ if (err < 0)
+ goto end;
+
+ /* get hardware revision */
+ err = snd_bebob_read_quad(bebob, INFO_OFFSET_HW_MODEL_REVISION,
+ &revision, sizeof(revision));
+ if (err < 0)
+ goto end;
+
+ /* get GUID */
+ err = snd_bebob_read_block(bebob, INFO_OFFSET_GUID,
+ data, sizeof(data));
+ if (err < 0)
+ goto end;
+
+ strcpy(bebob->card->driver, "BeBoB");
+ strcpy(bebob->card->shortname, model);
+ snprintf(bebob->card->longname, sizeof(bebob->card->longname),
+ "%s %s (id:%d, rev:%d), GUID %08x%08x at %s, S%d",
+ vendor, model, id, revision,
+ data[0], data[1],
+ dev_name(&bebob->unit->device),
+ 100 << bebob->device->max_speed);
+end:
+ return err;
+}
+
+static void
+snd_bebob_card_free(struct snd_card *card)
+{
+ struct snd_bebob *bebob = card->private_data;
+
+ if (bebob->card_index >= 0) {
+ mutex_lock(&devices_mutex);
+ devices_used &= ~BIT(bebob->card_index);
+ mutex_unlock(&devices_mutex);
+ }
+
+ mutex_destroy(&bebob->mutex);
+
+ return;
+}
+
+static int
+snd_bebob_probe(struct fw_unit *unit,
+ const struct ieee1394_device_id *entry)
+{
+ struct snd_card *card;
+ struct snd_bebob *bebob;
+ unsigned int card_index;
+ int err;
+
+ mutex_lock(&devices_mutex);
+
+ /* check registered cards */
+ for (card_index = 0; card_index < SNDRV_CARDS; card_index++) {
+ if (!(devices_used & BIT(card_index)) && enable[card_index])
+ break;
+ }
+ if (card_index >= SNDRV_CARDS) {
+ err = -ENOENT;
+ goto end;
+ }
+
+ /* create card */
+ err = snd_card_create(index[card_index], id[card_index],
+ THIS_MODULE, sizeof(struct snd_bebob), &card);
+ if (err < 0)
+ goto end;
+ card->private_free = snd_bebob_card_free;
+
+ /* initialize myself */
+ bebob = card->private_data;
+ bebob->card = card;
+ bebob->device = fw_parent_device(unit);
+ bebob->unit = unit;
+ bebob->card_index = -1;
+ mutex_init(&bebob->mutex);
+ spin_lock_init(&bebob->lock);
+
+ /* name device with communication */
+ err = name_device(bebob, entry->vendor_id);
+ if (err < 0)
+ goto error;
+
+ /* register card and device */
+ snd_card_set_dev(card, &unit->device);
+ err = snd_card_register(card);
+ if (err < 0) {
+ snd_card_free(card);
+ goto error;
+ }
+ dev_set_drvdata(&unit->device, bebob);
+ devices_used |= BIT(card_index);
+ bebob->card_index = card_index;
+
+ /* proved */
+ err = 0;
+end:
+ mutex_unlock(&devices_mutex);
+ return err;
+error:
+ snd_card_free(card);
+ mutex_unlock(&devices_mutex);
+ return err;
+}
+
+static void
+snd_bebob_update(struct fw_unit *unit)
+{
+ struct snd_bebob *bebob = dev_get_drvdata(&unit->device);
+ fcp_bus_reset(bebob->unit);
+}
+
+
+static void snd_bebob_remove(struct fw_unit *unit)
+{
+ struct snd_bebob *bebob = dev_get_drvdata(&unit->device);
+ snd_card_disconnect(bebob->card);
+ snd_card_free_when_closed(bebob->card);
+}
+
+static const struct ieee1394_device_id snd_bebob_id_table[] = {
+ /* Edirol, FA-66 */
+ SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010049),
+ /* Edirol, FA-101 */
+ SND_BEBOB_DEV_ENTRY(VEN_EDIROL, 0x00010048),
+ /* BridgeCo, RDAudio1 */
+ SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010048),
+ /* BridgeCo, Audio5 */
+ SND_BEBOB_DEV_ENTRY(VEN_BRIDGECO, 0x00010049),
+ /* Mackie, OnyxFirewire */
+ SND_BEBOB_DEV_ENTRY(VEN_MACKIE, 0x00010065),
+ /* Mackie, OnyxFirewire */
+ SND_BEBOB_DEV_ENTRY(VEN_MACKIE, 0x00010067),
+ /* Tascam, IF-FW/DM */
+ SND_BEBOB_DEV_ENTRY(VEN_TASCOM, 0x00010067),
+ /* Behringer, X32 */
+ SND_BEBOB_DEV_ENTRY(VEN_BEHRINGER, 0x00000006),
+ /* ApogeeElectronics, Rosetta200 */
+ SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048),
+ /* ESI, Quatafire610 */
+ SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064),
+ /* AcousticReality, eARMasterOne */
+ SND_BEBOB_DEV_ENTRY(VEN_ACOUSTIC, 0x00000002),
+ /* CME, MatrixKFW */
+ SND_BEBOB_DEV_ENTRY(VEN_CME, 0x00030000),
+ /* Phonic, HB24U */
+ SND_BEBOB_DEV_ENTRY(VEN_PHONIC, 0x00000000),
+ {}
+};
+MODULE_DEVICE_TABLE(ieee1394, snd_bebob_id_table);
+
+static struct fw_driver snd_bebob_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "snd-bebob",
+ .bus = &fw_bus_type,
+ },
+ .probe = snd_bebob_probe,
+ .update = snd_bebob_update,
+ .remove = snd_bebob_remove,
+ .id_table = snd_bebob_id_table,
+};
+
+static int __init
+snd_bebob_init(void)
+{
+ return driver_register(&snd_bebob_driver.driver);
+}
+
+static void __exit
+snd_bebob_exit(void)
+{
+ driver_unregister(&snd_bebob_driver.driver);
+ mutex_destroy(&devices_mutex);
+}
+
+module_init(snd_bebob_init);
+module_exit(snd_bebob_exit);
diff --git a/sound/firewire/bebob/bebob.h b/sound/firewire/bebob/bebob.h
new file mode 100644
index 0000000..60d875e
--- /dev/null
+++ b/sound/firewire/bebob/bebob.h
@@ -0,0 +1,74 @@
+/*
+ * bebob.h - a part of driver for BeBoB based devices
+ *
+ * Copyright (c) 2013 Takashi Sakamoto
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SOUND_BEBOB_H_INCLUDED
+#define SOUND_BEBOB_H_INCLUDED
+
+#include <linux/compat.h>
+#include <linux/device.h>
+#include <linux/firewire.h>
+#include <linux/firewire-constants.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include <sound/core.h>
+#include <sound/initval.h>
+
+#include "../lib.h"
+#include "../fcp.h"
+
+/* basic register addresses on bebob chip */
+#define BEBOB_ADDR_REG_INFO 0xffffc8020000
+#define BEBOB_ADDR_REG_REQ 0xffffc8021000
+
+struct snd_bebob {
+ struct snd_card *card;
+ struct fw_device *device;
+ struct fw_unit *unit;
+ int card_index;
+
+ struct mutex mutex;
+ spinlock_t lock;
+};
+
+static inline int
+snd_bebob_read_block(struct snd_bebob *bebob, u64 addr, void *buf, int size)
+{
+ return snd_fw_transaction(bebob->unit, TCODE_READ_BLOCK_REQUEST,
+ BEBOB_ADDR_REG_INFO + addr,
+ buf, size, 0);
+}
+
+static inline int
+snd_bebob_read_quad(struct snd_bebob *bebob, u64 addr, void *buf, int size)
+{
+ return snd_fw_transaction(bebob->unit, TCODE_READ_QUADLET_REQUEST,
+ BEBOB_ADDR_REG_INFO + addr,
+ buf, size, 0);
+}
+
+#define SND_BEBOB_DEV_ENTRY(vendor, model) \
+{ \
+ .match_flags = IEEE1394_MATCH_VENDOR_ID | \
+ IEEE1394_MATCH_MODEL_ID, \
+ .vendor_id = vendor, \
+ .model_id = model, \
+}
+
+#endif
--
1.8.3.2
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