From: Takashi Sakamoto o-takashi@sakamocchi.jp
This driver module is an application of Firewire stack (Juju) and ALSA. This file includes prove() function to be a device driver for firewire bus.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- sound/firewire/fireworks/fireworks.c | 488 ++++++++++++++++++++++++++++++++++ sound/firewire/fireworks/fireworks.h | 241 +++++++++++++++++ 2 files changed, 729 insertions(+) create mode 100644 sound/firewire/fireworks/fireworks.c create mode 100644 sound/firewire/fireworks/fireworks.h
diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c new file mode 100644 index 0000000..c4cd0c0 --- /dev/null +++ b/sound/firewire/fireworks/fireworks.c @@ -0,0 +1,488 @@ +/* + * fireworks.c - driver for Firewire devices from Echo Digital Audio + * + * Copyright (c) 2009-2010 Clemens Ladisch + * 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 "fireworks.h" + +MODULE_DESCRIPTION("Echo Fireworks driver"); +MODULE_AUTHOR("Clemens Ladisch clemens@ladisch.de"); +MODULE_LICENSE("GPL v2"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; +static int 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 Fireworks sound card"); + +static DEFINE_MUTEX(devices_mutex); +static unsigned int devices_used; + +#define FLAG_DYNADDR_SUPPORTED 0 +#define FLAG_MIRRORING_SUPPORTED 1 +#define FLAG_SPDIF_COAX_SUPPORTED 2 +#define FLAG_SPDIF_AES_EBU_XLR_SUPPORTED 3 +#define FLAG_HAS_DSP_MIXER 4 +#define FLAG_HAS_FPGA 5 +#define FLAG_HAS_PHANTOM 6 +/* other flags exist but unknown... */ + +static int +get_hardware_info(struct snd_efw *efw) +{ + int err; + + struct snd_efw_hwinfo *hwinfo; + char version[12]; + int size; + int i; + + hwinfo = kzalloc(sizeof(struct snd_efw_hwinfo), GFP_KERNEL); + if (hwinfo == NULL) + return -ENOMEM; + + err = snd_efw_command_get_hwinfo(efw, hwinfo); + if (err < 0) + goto end; + + /* capabilities */ + if (hwinfo->flags & (1 << FLAG_DYNADDR_SUPPORTED)) + efw->dynaddr_support = 1; + if (hwinfo->flags & (1 << FLAG_MIRRORING_SUPPORTED)) + efw->mirroring_support = 1; + if (hwinfo->flags & (1 << FLAG_SPDIF_AES_EBU_XLR_SUPPORTED)) + efw->aes_ebu_xlr_support = 1; + if (hwinfo->flags & (1 << FLAG_HAS_DSP_MIXER)) + efw->has_dsp_mixer = 1; + if (hwinfo->flags & (1 << FLAG_HAS_FPGA)) + efw->has_fpga = 1; + if (hwinfo->flags & (1 << FLAG_HAS_PHANTOM)) + efw->has_phantom = 1; + if (hwinfo->flags & (1 << FLAG_SPDIF_COAX_SUPPORTED)) { + efw->supported_digital_interface = BIT(2) | BIT(3); + /* TODO: find better way... */ + if (strcmp(hwinfo->model_name, "AudioFire8a") + || strcmp(hwinfo->model_name, "AudioFirePre8")) + efw->supported_digital_interface |= BIT(0); + } + + /* for input physical metering */ + if (hwinfo->nb_out_groups > 0) { + size = sizeof(struct snd_efw_phys_group) * + hwinfo->nb_out_groups; + efw->output_groups = kzalloc(size, GFP_KERNEL); + if (efw->output_groups == NULL) { + err = -ENOMEM; + goto error; + } + + efw->output_group_counts = hwinfo->nb_out_groups; + for (i = 0; i < efw->output_group_counts; i += 1) { + efw->output_groups[i].type = + hwinfo->out_groups[i].type; + efw->output_groups[i].count = + hwinfo->out_groups[i].count; + } + } + + /* for output physical metering */ + if (hwinfo->nb_in_groups > 0) { + size = sizeof(struct snd_efw_phys_group) * + hwinfo->nb_in_groups; + efw->input_groups = kzalloc(size, GFP_KERNEL); + if (efw->input_groups == NULL) { + err = -ENOMEM; + goto error; + } + + efw->input_group_counts = hwinfo->nb_out_groups; + for (i = 0; i < efw->input_group_counts; i += 1) { + efw->input_groups[i].type = + hwinfo->in_groups[i].type; + efw->input_groups[i].count = + hwinfo->in_groups[i].count; + } + } + + /* for mixer channels */ + efw->mixer_output_channels = hwinfo->mixer_playback_channels; + efw->mixer_input_channels = hwinfo->mixer_capture_channels; + + /* fill channels sets */ + efw->pcm_capture_channels[0] = hwinfo->nb_1394_capture_channels; + efw->pcm_capture_channels[1] = hwinfo->nb_1394_capture_channels_2x; + efw->pcm_capture_channels[2] = hwinfo->nb_1394_capture_channels_4x; + efw->pcm_playback_channels[0] = hwinfo->nb_1394_playback_channels; + efw->pcm_playback_channels[1] = hwinfo->nb_1394_playback_channels_2x; + efw->pcm_playback_channels[2] = hwinfo->nb_1394_playback_channels_4x; + + /* firmware version */ + err = sprintf(version, "%u.%u", + (hwinfo->arm_version >> 24) & 0xff, + (hwinfo->arm_version >> 16) & 0xff); + + /* set names */ + strcpy(efw->card->driver, "Fireworks"); + strcpy(efw->card->shortname, hwinfo->model_name); + snprintf(efw->card->longname, sizeof(efw->card->longname), + "%s %s v%s, GUID %08x%08x at %s, S%d", + hwinfo->vendor_name, hwinfo->model_name, version, + hwinfo->guid_hi, hwinfo->guid_lo, + dev_name(&efw->unit->device), 100 << efw->device->max_speed); + strcpy(efw->card->mixername, hwinfo->model_name); + + /* set flag for supported clock source */ + efw->supported_clock_source = hwinfo->supported_clocks; + + /* set flag for supported sampling rate */ + efw->supported_sampling_rate = 0; + if ((hwinfo->min_sample_rate <= 22050) + && (22050 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_22050; + if ((hwinfo->min_sample_rate <= 32000) + && (32000 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_32000; + if ((hwinfo->min_sample_rate <= 44100) + && (44100 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_44100; + if ((hwinfo->min_sample_rate <= 48000) + && (48000 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_48000; + if ((hwinfo->min_sample_rate <= 88200) + && (88200 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_88200; + if ((hwinfo->min_sample_rate <= 96000) + && (96000 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_96000; + if ((hwinfo->min_sample_rate <= 176400) + && (176400 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_176400; + if ((hwinfo->min_sample_rate <= 192000) + && (192000 <= hwinfo->max_sample_rate)) + efw->supported_sampling_rate |= SNDRV_PCM_RATE_192000; + + /* MIDI inputs and outputs */ + efw->midi_output_ports = hwinfo->nb_midi_out; + efw->midi_input_ports = hwinfo->nb_midi_in; + + err = 0; + goto end; + +error: + if (efw->input_group_counts > 0) + kfree(efw->input_groups); + if (efw->output_group_counts > 0) + kfree(efw->output_groups); +end: + kfree(hwinfo); + return err; +} + +static int +get_hardware_meters_count(struct snd_efw *efw) +{ + int err; + struct snd_efw_phys_meters *meters; + + meters = kzalloc(sizeof(struct snd_efw_phys_meters), GFP_KERNEL); + if (meters == NULL) + return -ENOMEM; + + err = snd_efw_command_get_phys_meters(efw, meters, + sizeof(struct snd_efw_phys_meters)); + if (err < 0) + goto end; + + efw->input_meter_counts = meters->nb_input_meters; + efw->output_meter_counts = meters->nb_output_meters; + + err = 0; +end: + kfree(meters); + return err; +} + +static void +snd_efw_update(struct fw_unit *unit) +{ + struct snd_card *card = dev_get_drvdata(&unit->device); + struct snd_efw *efw = card->private_data; + + fcp_bus_reset(efw->unit); + + /* bus reset for isochronous transmit stream */ + if (cmp_connection_update(&efw->output_connection) < 0) { + amdtp_stream_pcm_abort(&efw->receive_stream); + mutex_lock(&efw->mutex); + snd_efw_stream_stop(efw, &efw->receive_stream); + mutex_unlock(&efw->mutex); + } + amdtp_stream_update(&efw->receive_stream); + + /* bus reset for isochronous receive stream */ + if (cmp_connection_update(&efw->input_connection) < 0) { + amdtp_stream_pcm_abort(&efw->transmit_stream); + mutex_lock(&efw->mutex); + snd_efw_stream_stop(efw, &efw->transmit_stream); + mutex_unlock(&efw->mutex); + } + amdtp_stream_update(&efw->transmit_stream); + + return; +} + +static bool match_fireworks_device_name(struct fw_unit *unit) +{ + static const char *const models[] = { + /* Echo Digital Audio */ + "AudioFire2", + "AudioFire4", + "AudioFire8", + "AudioFire8a", + "AudioFirePre8", + "AudioFire12", + "Fireworks8", + "Fireworks HDMI", + /* Mackie */ + "Onyx 400F", + "Onyx 1200F", + /* Gibson */ + "RIP", + "Audiopunk", + "Goldtop", + }; + char name[16]; + unsigned int i; + + if (fw_csr_string(unit->directory, CSR_MODEL, name, sizeof(name)) < 0) + return false; + for (i = 0; i < ARRAY_SIZE(models); i++) + if (!strcasecmp(name, models[i])) + return true; + return false; +} + +static void +snd_efw_card_free(struct snd_card *card) +{ + struct snd_efw *efw = card->private_data; + + if (efw->card_index >= 0) { + mutex_lock(&devices_mutex); + devices_used &= ~(1 << efw->card_index); + mutex_unlock(&devices_mutex); + } + + if (efw->output_group_counts > 0) + kfree(efw->output_groups); + if (efw->input_group_counts > 0) + kfree(efw->input_groups); + + mutex_destroy(&efw->mutex); + + return; +} + +static int +snd_efw_probe(struct device *dev) +{ + struct fw_unit *unit = fw_unit(dev); + int card_index; + struct snd_card *card; + struct snd_efw *efw; + int err; + + mutex_lock(&devices_mutex); + + /* check device name */ + if (!match_fireworks_device_name(unit)) + return -ENODEV; + + /* check registered cards */ + for (card_index = 0; card_index < SNDRV_CARDS; ++card_index) + if (!(devices_used & (1 << 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_efw), &card); + if (err < 0) + goto end; + card->private_free = snd_efw_card_free; + + /* initialize myself */ + efw = card->private_data; + efw->card = card; + efw->device = fw_parent_device(unit); + efw->unit = unit; + efw->card_index = -1; + mutex_init(&efw->mutex); + spin_lock_init(&efw->lock); + + /* identifing */ + err = snd_efw_command_identify(efw); + if (err < 0) + goto error; + + /* get hardware information */ + err = get_hardware_info(efw); + if (err < 0) + goto error; + + /* get the number of hardware meters */ + err = get_hardware_meters_count(efw); + if (err < 0) + goto error; + + /* create procfs interface */ + snd_efw_proc_init(efw); + + /* create control interface */ + err = snd_efw_create_control_devices(efw); + if (err < 0) + goto error; + + /* create PCM interface */ + err = snd_efw_create_pcm_devices(efw); + if (err < 0) + goto error; + + /* create midi interface */ + if (efw->midi_output_ports || efw->midi_input_ports) { + err = snd_efw_create_midi_devices(efw); + if (err < 0) + goto error; + } + + /* register card and device */ + snd_card_set_dev(card, dev); + err = snd_card_register(card); + if (err < 0) + goto error; + dev_set_drvdata(dev, card); + devices_used |= 1 << card_index; + efw->card_index = card_index; + + /* proved */ + err = 0; + goto end; + +error: + snd_card_free(card); + +end: + mutex_unlock(&devices_mutex); + return err; +} + +static int +snd_efw_remove(struct device *dev) +{ + struct snd_card *card = dev_get_drvdata(dev); + struct snd_efw *efw = card->private_data; + + snd_efw_destroy_pcm_devices(efw); + + snd_card_disconnect(card); + snd_card_free_when_closed(card); + + return 0; +} + +#define VENDOR_GIBSON 0x00075b +#define MODEL_GIBSON_RIP 0x00afb2 +/* #define MODEL_GIBSON_GOLDTOP 0x?????? */ + +#define VENDOR_LOUD 0x000ff2 +#define MODEL_MACKIE_400F 0x00400f +#define MODEL_MACKIE_1200F 0x01200f + +#define VENDOR_ECHO_DIGITAL_AUDIO 0x001486 +#define MODEL_ECHO_AUDIOFIRE_2 0x000af2 +#define MODEL_ECHO_AUDIOFIRE_4 0x000af4 +#define MODEL_ECHO_AUDIOFIRE_8 0x000af8 +/* #define MODEL_ECHO_AUDIOFIRE_8A 0x?????? */ +/* #define MODEL_ECHO_AUDIOFIRE_PRE8 0x?????? */ +#define MODEL_ECHO_AUDIOFIRE_12 0x00af12 +#define MODEL_ECHO_FIREWORKS_8 0x0000f8 +#define MODEL_ECHO_FIREWORKS_HDMI 0x00afd1 + +#define SPECIFIER_1394TA 0x00a02d + +static const struct ieee1394_device_id snd_efw_id_table[] = { + { + .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_SPECIFIER_ID, + .vendor_id = VENDOR_ECHO_DIGITAL_AUDIO, + .specifier_id = SPECIFIER_1394TA, + }, + { + .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_SPECIFIER_ID, + .vendor_id = VENDOR_GIBSON, + .specifier_id = SPECIFIER_1394TA, + }, + { + .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_MODEL_ID, + .vendor_id = VENDOR_LOUD, + .model_id = MODEL_MACKIE_400F, + }, + { + .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_MODEL_ID, + .vendor_id = VENDOR_LOUD, + .model_id = MODEL_MACKIE_1200F, + }, + {} +}; +MODULE_DEVICE_TABLE(ieee1394, snd_efw_id_table); + +static struct fw_driver snd_efw_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "snd-fireworks", + .bus = &fw_bus_type, + .probe = snd_efw_probe, + .remove = snd_efw_remove, + }, + .update = snd_efw_update, + .id_table = snd_efw_id_table, +}; + +static int __init snd_efw_init(void) +{ + return driver_register(&snd_efw_driver.driver); +} + +static void __exit snd_efw_exit(void) +{ + driver_unregister(&snd_efw_driver.driver); + mutex_destroy(&devices_mutex); +} + +module_init(snd_efw_init); +module_exit(snd_efw_exit); diff --git a/sound/firewire/fireworks/fireworks.h b/sound/firewire/fireworks/fireworks.h new file mode 100644 index 0000000..ce117b4 --- /dev/null +++ b/sound/firewire/fireworks/fireworks.h @@ -0,0 +1,241 @@ +/* + * fireworks.h - driver for Firewire devices from Echo Digital Audio + * + * Copyright (c) 2009-2010 Clemens Ladisch + * 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/. + * + * mostly based on FFADO's efc_cmd.h, which is + * Copyright (C) 2005-2008 by Pieter Palmers + * + */ +#ifndef SOUND_FIREWORKS_H_INCLUDED +#define SOUND_FIREWORKS_H_INCLUDED + +#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 <sound/control.h> +#include <sound/rawmidi.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/info.h> +#include <sound/tlv.h> + +#include "../packets-buffer.h" +#include "../iso-resources.h" +#include "../amdtp.h" +#include "../cmp.h" +#include "../fcp.h" + +#define MAX_MIDI_OUTPUTS 2 +#define MAX_MIDI_INPUTS 2 + +#define SND_EFW_MUITIPLIER_MODES 3 +#define HWINFO_NAME_SIZE_BYTES 32 +#define HWINFO_MAX_CAPS_GROUPS 8 + +/* for physical metering */ +enum snd_efw_channel_type { + SND_EFW_CHANNEL_TYPE_ANALOG = 0, + SND_EFW_CHANNEL_TYPE_SPDIF = 1, + SND_EFW_CHANNEL_TYPE_ADAT = 2, + SND_EFW_CHANNEL_TYPE_SPDIF_OR_ADAT = 3, + SND_EFW_CHANNEL_TYPE_ANALOG_MIRRORING = 4, + SND_EFW_CHANNEL_TYPE_HEADPHONES = 5, + SND_EFW_CHANNEL_TYPE_I2S = 6 +}; +struct snd_efw_phys_group { + u8 type; /* enum snd_efw_channel_type */ + u8 count; +} __packed; + +struct snd_efw { + struct snd_card *card; + struct fw_device *device; + struct fw_unit *unit; + int card_index; + + struct mutex mutex; + spinlock_t lock; + + /* for EFC */ + u32 sequence_number; + + /* capabilities */ + unsigned int supported_sampling_rate; + unsigned int supported_clock_source; + unsigned int supported_digital_interface; + unsigned int has_phantom; + unsigned int has_dsp_mixer; + unsigned int has_fpga; + unsigned int aes_ebu_xlr_support; + unsigned int mirroring_support; + unsigned int dynaddr_support; + + /* physical metering */ + unsigned int input_group_counts; + struct snd_efw_phys_group *input_groups; + unsigned int output_group_counts; + struct snd_efw_phys_group *output_groups; + + /* meter parameters */ + unsigned int input_meter_counts; + unsigned int output_meter_counts; + + /* mixer parameters */ + unsigned int mixer_input_channels; + unsigned int mixer_output_channels; + + /* MIDI parameters */ + unsigned int midi_input_ports; + unsigned int midi_output_ports; + + /* PCM parameters */ + unsigned int pcm_capture_channels[SND_EFW_MUITIPLIER_MODES]; + unsigned int pcm_playback_channels[SND_EFW_MUITIPLIER_MODES]; + + /* notification to control components */ + struct snd_ctl_elem_id *control_id_sampling_rate; + + /* for IEC 61883-1 and -6 streaming */ + struct amdtp_stream receive_stream; + struct amdtp_stream transmit_stream; + /* Fireworks has only two plugs */ + struct cmp_connection output_connection; + struct cmp_connection input_connection; +}; + +struct snd_efw_hwinfo { + u32 flags; + u32 guid_hi; + u32 guid_lo; + u32 type; + u32 version; + char vendor_name[HWINFO_NAME_SIZE_BYTES]; + char model_name[HWINFO_NAME_SIZE_BYTES]; + u32 supported_clocks; + u32 nb_1394_playback_channels; + u32 nb_1394_capture_channels; + u32 nb_phys_audio_out; + u32 nb_phys_audio_in; + u32 nb_out_groups; + struct snd_efw_phys_group out_groups[HWINFO_MAX_CAPS_GROUPS]; + u32 nb_in_groups; + struct snd_efw_phys_group in_groups[HWINFO_MAX_CAPS_GROUPS]; + u32 nb_midi_out; + u32 nb_midi_in; + u32 max_sample_rate; + u32 min_sample_rate; + u32 dsp_version; + u32 arm_version; + u32 mixer_playback_channels; + u32 mixer_capture_channels; + u32 fpga_version; + u32 nb_1394_playback_channels_2x; + u32 nb_1394_capture_channels_2x; + u32 nb_1394_playback_channels_4x; + u32 nb_1394_capture_channels_4x; + u32 reserved[16]; +} __packed; + +/* for hardware metering */ +struct snd_efw_phys_meters { + u32 status; + u32 detect_spdif; + u32 detect_adat; + u32 reserved0; + u32 reserved1; + u32 nb_output_meters; + u32 nb_input_meters; + u32 reserved2; + u32 reserved3; + u32 values[0]; +} __packed; + +/* clock source parameters */ +enum snd_efw_clock_source { + SND_EFW_CLOCK_SOURCE_INTERNAL = 0, + SND_EFW_CLOCK_SOURCE_SYTMATCH = 1, + SND_EFW_CLOCK_SOURCE_WORDCLOCK = 2, + SND_EFW_CLOCK_SOURCE_SPDIF = 3, + SND_EFW_CLOCK_SOURCE_ADAT_1 = 4, + SND_EFW_CLOCK_SOURCE_ADAT_2 = 5, +}; + +/* digital interface parameters */ +enum snd_efw_digital_interface { + SND_EFW_DIGITAL_INTERFACE_SPDIF_COAXIAL = 0, + SND_EFW_DIGITAL_INTERFACE_ADAT_COAXIAL = 1, + SND_EFW_DIGITAL_INTERFACE_SPDIF_OPTICAL = 2, + SND_EFW_DIGITAL_INTERFACE_ADAT_OPTICAL = 3 +}; + +/* S/PDIF format parameters */ +enum snd_efw_iec60958_format { + SND_EFW_IEC60958_FORMAT_CONSUMER = 0, + SND_EFW_IEC60958_FORMAT_PROFESSIONAL = 1 +}; + +/* Echo Fireworks Command functions */ +int snd_efw_command_identify(struct snd_efw *efw); +int snd_efw_command_get_hwinfo(struct snd_efw *efw, + struct snd_efw_hwinfo *hwinfo); +int snd_efw_command_get_phys_meters(struct snd_efw *efw, + struct snd_efw_phys_meters *meters, + int len); +int snd_efw_command_get_clock_source(struct snd_efw *efw, + enum snd_efw_clock_source *source); +int snd_efw_command_set_clock_source(struct snd_efw *efw, + enum snd_efw_clock_source source); +int snd_efw_command_get_sampling_rate(struct snd_efw *efw, int *sampling_rate); +int snd_efw_command_set_sampling_rate(struct snd_efw *efw, int sampling_rate); +int snd_efw_command_get_iec60958_format(struct snd_efw *efw, + enum snd_efw_iec60958_format *format); +int snd_efw_command_set_iec60958_format(struct snd_efw *efw, + enum snd_efw_iec60958_format format); +int snd_efw_command_get_digital_interface(struct snd_efw *efw, + enum snd_efw_digital_interface *digital_interface); +int snd_efw_command_set_digital_interface(struct snd_efw *efw, + enum snd_efw_digital_interface digital_interface); + +/* for AMDTP stream and CMP */ +int snd_efw_stream_init(struct snd_efw *efw, struct amdtp_stream *stream); +int snd_efw_stream_start(struct snd_efw *efw, struct amdtp_stream *stream); +void snd_efw_stream_stop(struct snd_efw *efw, struct amdtp_stream *stream); +void snd_efw_stream_destroy(struct snd_efw *efw, struct amdtp_stream *stream); + +/* for procfs subsystem */ +void snd_efw_proc_init(struct snd_efw *efw); + +/* for control component */ +int snd_efw_create_control_devices(struct snd_efw *efw); + +/* for midi component */ +int snd_efw_create_midi_devices(struct snd_efw *ef); + +/* for pcm component */ +int snd_efw_create_pcm_devices(struct snd_efw *efw); +void snd_efw_destroy_pcm_devices(struct snd_efw *efw); +int snd_efw_get_multiplier_mode(int sampling_rate); + + +#endif