Followed commits add much codes. I'll split them to some files. In this reason, this commit make own directory and move current source to it.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- sound/firewire/Makefile | 3 +- sound/firewire/speakers.c | 801 ------------------------------------- sound/firewire/speakers/Makefile | 2 + sound/firewire/speakers/speakers.c | 801 +++++++++++++++++++++++++++++++++++++ 4 files changed, 804 insertions(+), 803 deletions(-) delete mode 100644 sound/firewire/speakers.c create mode 100644 sound/firewire/speakers/Makefile create mode 100644 sound/firewire/speakers/speakers.c
diff --git a/sound/firewire/Makefile b/sound/firewire/Makefile index fad8d49..e2cd79f 100644 --- a/sound/firewire/Makefile +++ b/sound/firewire/Makefile @@ -1,13 +1,12 @@ snd-firewire-lib-objs := lib.o iso-resources.o packets-buffer.o \ fcp.o cmp.o amdtp.o snd-dice-objs := dice.o -snd-firewire-speakers-objs := speakers.o snd-isight-objs := isight.o snd-scs1x-objs := scs1x.o
obj-$(CONFIG_SND_FIREWIRE_LIB) += snd-firewire-lib.o obj-$(CONFIG_SND_DICE) += snd-dice.o -obj-$(CONFIG_SND_FIREWIRE_SPEAKERS) += snd-firewire-speakers.o +obj-$(CONFIG_SND_FIREWIRE_SPEAKERS) += speakers/ obj-$(CONFIG_SND_ISIGHT) += snd-isight.o obj-$(CONFIG_SND_SCS1X) += snd-scs1x.o obj-$(CONFIG_SND_FIREWORKS) += fireworks/ diff --git a/sound/firewire/speakers.c b/sound/firewire/speakers.c deleted file mode 100644 index abb2eb1..0000000 --- a/sound/firewire/speakers.c +++ /dev/null @@ -1,801 +0,0 @@ -/* - * OXFW970-based speakers driver - * - * Copyright (c) Clemens Ladisch clemens@ladisch.de - * Licensed under the terms of the GNU General Public License, version 2. - */ - -#include <linux/device.h> -#include <linux/firewire.h> -#include <linux/firewire-constants.h> -#include <linux/module.h> -#include <linux/mod_devicetable.h> -#include <linux/mutex.h> -#include <linux/slab.h> -#include <sound/control.h> -#include <sound/core.h> -#include <sound/initval.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include "cmp.h" -#include "fcp.h" -#include "amdtp.h" -#include "lib.h" - -#define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000) -/* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */ - -#define OXFORD_HARDWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x90020) -#define OXFORD_HARDWARE_ID_OXFW970 0x39443841 -#define OXFORD_HARDWARE_ID_OXFW971 0x39373100 - -#define VENDOR_GRIFFIN 0x001292 -#define VENDOR_LACIE 0x00d04b - -#define SPECIFIER_1394TA 0x00a02d -#define VERSION_AVC 0x010001 - -struct device_info { - const char *driver_name; - const char *short_name; - const char *long_name; - int (*pcm_constraints)(struct snd_pcm_runtime *runtime); - unsigned int mixer_channels; - u8 mute_fb_id; - u8 volume_fb_id; -}; - -struct fwspk { - struct snd_card *card; - struct fw_unit *unit; - const struct device_info *device_info; - struct mutex mutex; - struct cmp_connection connection; - struct amdtp_stream stream; - bool mute; - s16 volume[6]; - s16 volume_min; - s16 volume_max; -}; - -MODULE_DESCRIPTION("FireWire speakers driver"); -MODULE_AUTHOR("Clemens Ladisch clemens@ladisch.de"); -MODULE_LICENSE("GPL v2"); - -static int firewave_rate_constraint(struct snd_pcm_hw_params *params, - struct snd_pcm_hw_rule *rule) -{ - static unsigned int stereo_rates[] = { 48000, 96000 }; - struct snd_interval *channels = - hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); - struct snd_interval *rate = - hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); - - /* two channels work only at 48/96 kHz */ - if (snd_interval_max(channels) < 6) - return snd_interval_list(rate, 2, stereo_rates, 0); - return 0; -} - -static int firewave_channels_constraint(struct snd_pcm_hw_params *params, - struct snd_pcm_hw_rule *rule) -{ - static const struct snd_interval all_channels = { .min = 6, .max = 6 }; - struct snd_interval *rate = - hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); - struct snd_interval *channels = - hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); - - /* 32/44.1 kHz work only with all six channels */ - if (snd_interval_max(rate) < 48000) - return snd_interval_refine(channels, &all_channels); - return 0; -} - -static int firewave_constraints(struct snd_pcm_runtime *runtime) -{ - static unsigned int channels_list[] = { 2, 6 }; - static struct snd_pcm_hw_constraint_list channels_list_constraint = { - .count = 2, - .list = channels_list, - }; - int err; - - runtime->hw.rates = SNDRV_PCM_RATE_32000 | - SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_96000; - runtime->hw.channels_max = 6; - - err = snd_pcm_hw_constraint_list(runtime, 0, - SNDRV_PCM_HW_PARAM_CHANNELS, - &channels_list_constraint); - if (err < 0) - return err; - err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, - firewave_rate_constraint, NULL, - SNDRV_PCM_HW_PARAM_CHANNELS, -1); - if (err < 0) - return err; - err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, - firewave_channels_constraint, NULL, - SNDRV_PCM_HW_PARAM_RATE, -1); - if (err < 0) - return err; - - return 0; -} - -static int lacie_speakers_constraints(struct snd_pcm_runtime *runtime) -{ - runtime->hw.rates = SNDRV_PCM_RATE_32000 | - SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_88200 | - SNDRV_PCM_RATE_96000; - - return 0; -} - -static int fwspk_open(struct snd_pcm_substream *substream) -{ - static const struct snd_pcm_hardware hardware = { - .info = SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_BATCH | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER, - .formats = AMDTP_OUT_PCM_FORMAT_BITS, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 4 * 1024 * 1024, - .period_bytes_min = 1, - .period_bytes_max = UINT_MAX, - .periods_min = 1, - .periods_max = UINT_MAX, - }; - struct fwspk *fwspk = substream->private_data; - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - - runtime->hw = hardware; - - err = fwspk->device_info->pcm_constraints(runtime); - if (err < 0) - return err; - err = snd_pcm_limit_hw_rates(runtime); - if (err < 0) - return err; - - err = snd_pcm_hw_constraint_minmax(runtime, - SNDRV_PCM_HW_PARAM_PERIOD_TIME, - 5000, UINT_MAX); - if (err < 0) - return err; - - err = snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); - if (err < 0) - return err; - - return 0; -} - -static int fwspk_close(struct snd_pcm_substream *substream) -{ - return 0; -} - -static void fwspk_stop_stream(struct fwspk *fwspk) -{ - if (amdtp_stream_running(&fwspk->stream)) { - amdtp_stream_stop(&fwspk->stream); - cmp_connection_break(&fwspk->connection); - } -} - -static int fwspk_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct fwspk *fwspk = substream->private_data; - int err; - - mutex_lock(&fwspk->mutex); - fwspk_stop_stream(fwspk); - mutex_unlock(&fwspk->mutex); - - err = snd_pcm_lib_alloc_vmalloc_buffer(substream, - params_buffer_bytes(hw_params)); - if (err < 0) - goto error; - - amdtp_stream_set_parameters(&fwspk->stream, - params_rate(hw_params), - params_channels(hw_params), - 0); - - amdtp_stream_set_pcm_format(&fwspk->stream, - params_format(hw_params)); - - err = avc_general_set_sig_fmt(fwspk->unit, params_rate(hw_params), - AVC_GENERAL_PLUG_DIR_IN, 0); - if (err < 0) - goto err_buffer; - if (err != 0x09 /* ACCEPTED */) { - dev_err(&fwspk->unit->device, "failed to set sample rate\n"); - err = -EIO; - goto error; - } - - return 0; - -err_buffer: - snd_pcm_lib_free_vmalloc_buffer(substream); -error: - return err; -} - -static int fwspk_hw_free(struct snd_pcm_substream *substream) -{ - struct fwspk *fwspk = substream->private_data; - - mutex_lock(&fwspk->mutex); - fwspk_stop_stream(fwspk); - mutex_unlock(&fwspk->mutex); - - return snd_pcm_lib_free_vmalloc_buffer(substream); -} - -static int fwspk_prepare(struct snd_pcm_substream *substream) -{ - struct fwspk *fwspk = substream->private_data; - int err; - - mutex_lock(&fwspk->mutex); - - if (amdtp_streaming_error(&fwspk->stream)) - fwspk_stop_stream(fwspk); - - if (!amdtp_stream_running(&fwspk->stream)) { - err = cmp_connection_establish(&fwspk->connection, - amdtp_stream_get_max_payload(&fwspk->stream)); - if (err < 0) - goto err_mutex; - - err = amdtp_stream_start(&fwspk->stream, - fwspk->connection.resources.channel, - fwspk->connection.speed); - if (err < 0) - goto err_connection; - } - - mutex_unlock(&fwspk->mutex); - - amdtp_stream_pcm_prepare(&fwspk->stream); - - return 0; - -err_connection: - cmp_connection_break(&fwspk->connection); -err_mutex: - mutex_unlock(&fwspk->mutex); - - return err; -} - -static int fwspk_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct fwspk *fwspk = substream->private_data; - struct snd_pcm_substream *pcm; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - pcm = substream; - break; - case SNDRV_PCM_TRIGGER_STOP: - pcm = NULL; - break; - default: - return -EINVAL; - } - amdtp_stream_pcm_trigger(&fwspk->stream, pcm); - return 0; -} - -static snd_pcm_uframes_t fwspk_pointer(struct snd_pcm_substream *substream) -{ - struct fwspk *fwspk = substream->private_data; - - return amdtp_stream_pcm_pointer(&fwspk->stream); -} - -static int fwspk_create_pcm(struct fwspk *fwspk) -{ - static struct snd_pcm_ops ops = { - .open = fwspk_open, - .close = fwspk_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = fwspk_hw_params, - .hw_free = fwspk_hw_free, - .prepare = fwspk_prepare, - .trigger = fwspk_trigger, - .pointer = fwspk_pointer, - .page = snd_pcm_lib_get_vmalloc_page, - .mmap = snd_pcm_lib_mmap_vmalloc, - }; - struct snd_pcm *pcm; - int err; - - err = snd_pcm_new(fwspk->card, "OXFW970", 0, 1, 0, &pcm); - if (err < 0) - return err; - pcm->private_data = fwspk; - strcpy(pcm->name, fwspk->device_info->short_name); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &ops); - return 0; -} - -enum control_action { CTL_READ, CTL_WRITE }; -enum control_attribute { - CTL_MIN = 0x02, - CTL_MAX = 0x03, - CTL_CURRENT = 0x10, -}; - -static int fwspk_mute_command(struct fwspk *fwspk, bool *value, - enum control_action action) -{ - u8 *buf; - u8 response_ok; - int err; - - buf = kmalloc(11, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - if (action == CTL_READ) { - buf[0] = 0x01; /* AV/C, STATUS */ - response_ok = 0x0c; /* STABLE */ - } else { - buf[0] = 0x00; /* AV/C, CONTROL */ - response_ok = 0x09; /* ACCEPTED */ - } - buf[1] = 0x08; /* audio unit 0 */ - buf[2] = 0xb8; /* FUNCTION BLOCK */ - buf[3] = 0x81; /* function block type: feature */ - buf[4] = fwspk->device_info->mute_fb_id; /* function block ID */ - buf[5] = 0x10; /* control attribute: current */ - buf[6] = 0x02; /* selector length */ - buf[7] = 0x00; /* audio channel number */ - buf[8] = 0x01; /* control selector: mute */ - buf[9] = 0x01; /* control data length */ - if (action == CTL_READ) - buf[10] = 0xff; - else - buf[10] = *value ? 0x70 : 0x60; - - err = fcp_avc_transaction(fwspk->unit, buf, 11, buf, 11, 0x3fe); - if (err < 0) - goto error; - if (err < 11) { - dev_err(&fwspk->unit->device, "short FCP response\n"); - err = -EIO; - goto error; - } - if (buf[0] != response_ok) { - dev_err(&fwspk->unit->device, "mute command failed\n"); - err = -EIO; - goto error; - } - if (action == CTL_READ) - *value = buf[10] == 0x70; - - err = 0; - -error: - kfree(buf); - - return err; -} - -static int fwspk_volume_command(struct fwspk *fwspk, s16 *value, - unsigned int channel, - enum control_attribute attribute, - enum control_action action) -{ - u8 *buf; - u8 response_ok; - int err; - - buf = kmalloc(12, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - if (action == CTL_READ) { - buf[0] = 0x01; /* AV/C, STATUS */ - response_ok = 0x0c; /* STABLE */ - } else { - buf[0] = 0x00; /* AV/C, CONTROL */ - response_ok = 0x09; /* ACCEPTED */ - } - buf[1] = 0x08; /* audio unit 0 */ - buf[2] = 0xb8; /* FUNCTION BLOCK */ - buf[3] = 0x81; /* function block type: feature */ - buf[4] = fwspk->device_info->volume_fb_id; /* function block ID */ - buf[5] = attribute; /* control attribute */ - buf[6] = 0x02; /* selector length */ - buf[7] = channel; /* audio channel number */ - buf[8] = 0x02; /* control selector: volume */ - buf[9] = 0x02; /* control data length */ - if (action == CTL_READ) { - buf[10] = 0xff; - buf[11] = 0xff; - } else { - buf[10] = *value >> 8; - buf[11] = *value; - } - - err = fcp_avc_transaction(fwspk->unit, buf, 12, buf, 12, 0x3fe); - if (err < 0) - goto error; - if (err < 12) { - dev_err(&fwspk->unit->device, "short FCP response\n"); - err = -EIO; - goto error; - } - if (buf[0] != response_ok) { - dev_err(&fwspk->unit->device, "volume command failed\n"); - err = -EIO; - goto error; - } - if (action == CTL_READ) - *value = (buf[10] << 8) | buf[11]; - - err = 0; - -error: - kfree(buf); - - return err; -} - -static int fwspk_mute_get(struct snd_kcontrol *control, - struct snd_ctl_elem_value *value) -{ - struct fwspk *fwspk = control->private_data; - - value->value.integer.value[0] = !fwspk->mute; - - return 0; -} - -static int fwspk_mute_put(struct snd_kcontrol *control, - struct snd_ctl_elem_value *value) -{ - struct fwspk *fwspk = control->private_data; - bool mute; - int err; - - mute = !value->value.integer.value[0]; - - if (mute == fwspk->mute) - return 0; - - err = fwspk_mute_command(fwspk, &mute, CTL_WRITE); - if (err < 0) - return err; - fwspk->mute = mute; - - return 1; -} - -static int fwspk_volume_info(struct snd_kcontrol *control, - struct snd_ctl_elem_info *info) -{ - struct fwspk *fwspk = control->private_data; - - info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - info->count = fwspk->device_info->mixer_channels; - info->value.integer.min = fwspk->volume_min; - info->value.integer.max = fwspk->volume_max; - - return 0; -} - -static const u8 channel_map[6] = { 0, 1, 4, 5, 2, 3 }; - -static int fwspk_volume_get(struct snd_kcontrol *control, - struct snd_ctl_elem_value *value) -{ - struct fwspk *fwspk = control->private_data; - unsigned int i; - - for (i = 0; i < fwspk->device_info->mixer_channels; ++i) - value->value.integer.value[channel_map[i]] = fwspk->volume[i]; - - return 0; -} - -static int fwspk_volume_put(struct snd_kcontrol *control, - struct snd_ctl_elem_value *value) -{ - struct fwspk *fwspk = control->private_data; - unsigned int i, changed_channels; - bool equal_values = true; - s16 volume; - int err; - - for (i = 0; i < fwspk->device_info->mixer_channels; ++i) { - if (value->value.integer.value[i] < fwspk->volume_min || - value->value.integer.value[i] > fwspk->volume_max) - return -EINVAL; - if (value->value.integer.value[i] != - value->value.integer.value[0]) - equal_values = false; - } - - changed_channels = 0; - for (i = 0; i < fwspk->device_info->mixer_channels; ++i) - if (value->value.integer.value[channel_map[i]] != - fwspk->volume[i]) - changed_channels |= 1 << (i + 1); - - if (equal_values && changed_channels != 0) - changed_channels = 1 << 0; - - for (i = 0; i <= fwspk->device_info->mixer_channels; ++i) { - volume = value->value.integer.value[channel_map[i ? i - 1 : 0]]; - if (changed_channels & (1 << i)) { - err = fwspk_volume_command(fwspk, &volume, i, - CTL_CURRENT, CTL_WRITE); - if (err < 0) - return err; - } - if (i > 0) - fwspk->volume[i - 1] = volume; - } - - return changed_channels != 0; -} - -static int fwspk_create_mixer(struct fwspk *fwspk) -{ - static const struct snd_kcontrol_new controls[] = { - { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "PCM Playback Switch", - .info = snd_ctl_boolean_mono_info, - .get = fwspk_mute_get, - .put = fwspk_mute_put, - }, - { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "PCM Playback Volume", - .info = fwspk_volume_info, - .get = fwspk_volume_get, - .put = fwspk_volume_put, - }, - }; - unsigned int i, first_ch; - int err; - - err = fwspk_volume_command(fwspk, &fwspk->volume_min, - 0, CTL_MIN, CTL_READ); - if (err < 0) - return err; - err = fwspk_volume_command(fwspk, &fwspk->volume_max, - 0, CTL_MAX, CTL_READ); - if (err < 0) - return err; - - err = fwspk_mute_command(fwspk, &fwspk->mute, CTL_READ); - if (err < 0) - return err; - - first_ch = fwspk->device_info->mixer_channels == 1 ? 0 : 1; - for (i = 0; i < fwspk->device_info->mixer_channels; ++i) { - err = fwspk_volume_command(fwspk, &fwspk->volume[i], - first_ch + i, CTL_CURRENT, CTL_READ); - if (err < 0) - return err; - } - - for (i = 0; i < ARRAY_SIZE(controls); ++i) { - err = snd_ctl_add(fwspk->card, - snd_ctl_new1(&controls[i], fwspk)); - if (err < 0) - return err; - } - - return 0; -} - -static u32 fwspk_read_firmware_version(struct fw_unit *unit) -{ - __be32 data; - int err; - - err = snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST, - OXFORD_FIRMWARE_ID_ADDRESS, &data, 4, 0); - return err >= 0 ? be32_to_cpu(data) : 0; -} - -static void fwspk_card_free(struct snd_card *card) -{ - struct fwspk *fwspk = card->private_data; - - amdtp_stream_destroy(&fwspk->stream); - cmp_connection_destroy(&fwspk->connection); - fw_unit_put(fwspk->unit); - mutex_destroy(&fwspk->mutex); -} - -static int fwspk_probe(struct fw_unit *unit, - const struct ieee1394_device_id *id) -{ - struct fw_device *fw_dev = fw_parent_device(unit); - struct snd_card *card; - struct fwspk *fwspk; - u32 firmware; - int err; - - err = snd_card_create(-1, NULL, THIS_MODULE, sizeof(*fwspk), &card); - if (err < 0) - return err; - snd_card_set_dev(card, &unit->device); - - fwspk = card->private_data; - fwspk->card = card; - mutex_init(&fwspk->mutex); - fwspk->unit = fw_unit_get(unit); - fwspk->device_info = (const struct device_info *)id->driver_data; - - err = cmp_connection_init(&fwspk->connection, unit, CMP_INPUT, 0); - if (err < 0) - goto err_unit; - - err = amdtp_stream_init(&fwspk->stream, unit, AMDTP_OUT_STREAM, - CIP_NONBLOCKING); - if (err < 0) - goto err_connection; - - card->private_free = fwspk_card_free; - - strcpy(card->driver, fwspk->device_info->driver_name); - strcpy(card->shortname, fwspk->device_info->short_name); - firmware = fwspk_read_firmware_version(unit); - snprintf(card->longname, sizeof(card->longname), - "%s (OXFW%x %04x), GUID %08x%08x at %s, S%d", - fwspk->device_info->long_name, - firmware >> 20, firmware & 0xffff, - fw_dev->config_rom[3], fw_dev->config_rom[4], - dev_name(&unit->device), 100 << fw_dev->max_speed); - strcpy(card->mixername, "OXFW970"); - - err = fwspk_create_pcm(fwspk); - if (err < 0) - goto error; - - err = fwspk_create_mixer(fwspk); - if (err < 0) - goto error; - - err = snd_card_register(card); - if (err < 0) - goto error; - - dev_set_drvdata(&unit->device, fwspk); - - return 0; - -err_connection: - cmp_connection_destroy(&fwspk->connection); -err_unit: - fw_unit_put(fwspk->unit); - mutex_destroy(&fwspk->mutex); -error: - snd_card_free(card); - return err; -} - -static void fwspk_bus_reset(struct fw_unit *unit) -{ - struct fwspk *fwspk = dev_get_drvdata(&unit->device); - - fcp_bus_reset(fwspk->unit); - - if (cmp_connection_update(&fwspk->connection) < 0) { - amdtp_stream_pcm_abort(&fwspk->stream); - mutex_lock(&fwspk->mutex); - fwspk_stop_stream(fwspk); - mutex_unlock(&fwspk->mutex); - return; - } - - amdtp_stream_update(&fwspk->stream); -} - -static void fwspk_remove(struct fw_unit *unit) -{ - struct fwspk *fwspk = dev_get_drvdata(&unit->device); - - amdtp_stream_pcm_abort(&fwspk->stream); - snd_card_disconnect(fwspk->card); - - mutex_lock(&fwspk->mutex); - fwspk_stop_stream(fwspk); - mutex_unlock(&fwspk->mutex); - - snd_card_free_when_closed(fwspk->card); -} - -static const struct device_info griffin_firewave = { - .driver_name = "FireWave", - .short_name = "FireWave", - .long_name = "Griffin FireWave Surround", - .pcm_constraints = firewave_constraints, - .mixer_channels = 6, - .mute_fb_id = 0x01, - .volume_fb_id = 0x02, -}; - -static const struct device_info lacie_speakers = { - .driver_name = "FWSpeakers", - .short_name = "FireWire Speakers", - .long_name = "LaCie FireWire Speakers", - .pcm_constraints = lacie_speakers_constraints, - .mixer_channels = 1, - .mute_fb_id = 0x01, - .volume_fb_id = 0x01, -}; - -static const struct ieee1394_device_id fwspk_id_table[] = { - { - .match_flags = IEEE1394_MATCH_VENDOR_ID | - IEEE1394_MATCH_MODEL_ID | - IEEE1394_MATCH_SPECIFIER_ID | - IEEE1394_MATCH_VERSION, - .vendor_id = VENDOR_GRIFFIN, - .model_id = 0x00f970, - .specifier_id = SPECIFIER_1394TA, - .version = VERSION_AVC, - .driver_data = (kernel_ulong_t)&griffin_firewave, - }, - { - .match_flags = IEEE1394_MATCH_VENDOR_ID | - IEEE1394_MATCH_MODEL_ID | - IEEE1394_MATCH_SPECIFIER_ID | - IEEE1394_MATCH_VERSION, - .vendor_id = VENDOR_LACIE, - .model_id = 0x00f970, - .specifier_id = SPECIFIER_1394TA, - .version = VERSION_AVC, - .driver_data = (kernel_ulong_t)&lacie_speakers, - }, - { } -}; -MODULE_DEVICE_TABLE(ieee1394, fwspk_id_table); - -static struct fw_driver fwspk_driver = { - .driver = { - .owner = THIS_MODULE, - .name = KBUILD_MODNAME, - .bus = &fw_bus_type, - }, - .probe = fwspk_probe, - .update = fwspk_bus_reset, - .remove = fwspk_remove, - .id_table = fwspk_id_table, -}; - -static int __init alsa_fwspk_init(void) -{ - return driver_register(&fwspk_driver.driver); -} - -static void __exit alsa_fwspk_exit(void) -{ - driver_unregister(&fwspk_driver.driver); -} - -module_init(alsa_fwspk_init); -module_exit(alsa_fwspk_exit); diff --git a/sound/firewire/speakers/Makefile b/sound/firewire/speakers/Makefile new file mode 100644 index 0000000..3db3c56a --- /dev/null +++ b/sound/firewire/speakers/Makefile @@ -0,0 +1,2 @@ +snd-firewire-speakers-objs := speakers.o +obj-m += snd-firewire-speakers.o diff --git a/sound/firewire/speakers/speakers.c b/sound/firewire/speakers/speakers.c new file mode 100644 index 0000000..78eaec1 --- /dev/null +++ b/sound/firewire/speakers/speakers.c @@ -0,0 +1,801 @@ +/* + * OXFW970-based speakers driver + * + * Copyright (c) Clemens Ladisch clemens@ladisch.de + * Licensed under the terms of the GNU General Public License, version 2. + */ + +#include <linux/device.h> +#include <linux/firewire.h> +#include <linux/firewire-constants.h> +#include <linux/module.h> +#include <linux/mod_devicetable.h> +#include <linux/mutex.h> +#include <linux/slab.h> +#include <sound/control.h> +#include <sound/core.h> +#include <sound/initval.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include "../cmp.h" +#include "../fcp.h" +#include "../amdtp.h" +#include "../lib.h" + +#define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000) +/* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */ + +#define OXFORD_HARDWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x90020) +#define OXFORD_HARDWARE_ID_OXFW970 0x39443841 +#define OXFORD_HARDWARE_ID_OXFW971 0x39373100 + +#define VENDOR_GRIFFIN 0x001292 +#define VENDOR_LACIE 0x00d04b + +#define SPECIFIER_1394TA 0x00a02d +#define VERSION_AVC 0x010001 + +struct device_info { + const char *driver_name; + const char *short_name; + const char *long_name; + int (*pcm_constraints)(struct snd_pcm_runtime *runtime); + unsigned int mixer_channels; + u8 mute_fb_id; + u8 volume_fb_id; +}; + +struct fwspk { + struct snd_card *card; + struct fw_unit *unit; + const struct device_info *device_info; + struct mutex mutex; + struct cmp_connection connection; + struct amdtp_stream stream; + bool mute; + s16 volume[6]; + s16 volume_min; + s16 volume_max; +}; + +MODULE_DESCRIPTION("FireWire speakers driver"); +MODULE_AUTHOR("Clemens Ladisch clemens@ladisch.de"); +MODULE_LICENSE("GPL v2"); + +static int firewave_rate_constraint(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + static unsigned int stereo_rates[] = { 48000, 96000 }; + struct snd_interval *channels = + hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_interval *rate = + hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + + /* two channels work only at 48/96 kHz */ + if (snd_interval_max(channels) < 6) + return snd_interval_list(rate, 2, stereo_rates, 0); + return 0; +} + +static int firewave_channels_constraint(struct snd_pcm_hw_params *params, + struct snd_pcm_hw_rule *rule) +{ + static const struct snd_interval all_channels = { .min = 6, .max = 6 }; + struct snd_interval *rate = + hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + struct snd_interval *channels = + hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + + /* 32/44.1 kHz work only with all six channels */ + if (snd_interval_max(rate) < 48000) + return snd_interval_refine(channels, &all_channels); + return 0; +} + +static int firewave_constraints(struct snd_pcm_runtime *runtime) +{ + static unsigned int channels_list[] = { 2, 6 }; + static struct snd_pcm_hw_constraint_list channels_list_constraint = { + .count = 2, + .list = channels_list, + }; + int err; + + runtime->hw.rates = SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_96000; + runtime->hw.channels_max = 6; + + err = snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + &channels_list_constraint); + if (err < 0) + return err; + err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + firewave_rate_constraint, NULL, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); + if (err < 0) + return err; + err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + firewave_channels_constraint, NULL, + SNDRV_PCM_HW_PARAM_RATE, -1); + if (err < 0) + return err; + + return 0; +} + +static int lacie_speakers_constraints(struct snd_pcm_runtime *runtime) +{ + runtime->hw.rates = SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_88200 | + SNDRV_PCM_RATE_96000; + + return 0; +} + +static int fwspk_open(struct snd_pcm_substream *substream) +{ + static const struct snd_pcm_hardware hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_BATCH | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER, + .formats = AMDTP_OUT_PCM_FORMAT_BITS, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = 4 * 1024 * 1024, + .period_bytes_min = 1, + .period_bytes_max = UINT_MAX, + .periods_min = 1, + .periods_max = UINT_MAX, + }; + struct fwspk *fwspk = substream->private_data; + struct snd_pcm_runtime *runtime = substream->runtime; + int err; + + runtime->hw = hardware; + + err = fwspk->device_info->pcm_constraints(runtime); + if (err < 0) + return err; + err = snd_pcm_limit_hw_rates(runtime); + if (err < 0) + return err; + + err = snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_PERIOD_TIME, + 5000, UINT_MAX); + if (err < 0) + return err; + + err = snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); + if (err < 0) + return err; + + return 0; +} + +static int fwspk_close(struct snd_pcm_substream *substream) +{ + return 0; +} + +static void fwspk_stop_stream(struct fwspk *fwspk) +{ + if (amdtp_stream_running(&fwspk->stream)) { + amdtp_stream_stop(&fwspk->stream); + cmp_connection_break(&fwspk->connection); + } +} + +static int fwspk_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + struct fwspk *fwspk = substream->private_data; + int err; + + mutex_lock(&fwspk->mutex); + fwspk_stop_stream(fwspk); + mutex_unlock(&fwspk->mutex); + + err = snd_pcm_lib_alloc_vmalloc_buffer(substream, + params_buffer_bytes(hw_params)); + if (err < 0) + goto error; + + amdtp_stream_set_parameters(&fwspk->stream, + params_rate(hw_params), + params_channels(hw_params), + 0); + + amdtp_stream_set_pcm_format(&fwspk->stream, + params_format(hw_params)); + + err = avc_general_set_sig_fmt(fwspk->unit, params_rate(hw_params), + AVC_GENERAL_PLUG_DIR_IN, 0); + if (err < 0) + goto err_buffer; + if (err != 0x09 /* ACCEPTED */) { + dev_err(&fwspk->unit->device, "failed to set sample rate\n"); + err = -EIO; + goto error; + } + + return 0; + +err_buffer: + snd_pcm_lib_free_vmalloc_buffer(substream); +error: + return err; +} + +static int fwspk_hw_free(struct snd_pcm_substream *substream) +{ + struct fwspk *fwspk = substream->private_data; + + mutex_lock(&fwspk->mutex); + fwspk_stop_stream(fwspk); + mutex_unlock(&fwspk->mutex); + + return snd_pcm_lib_free_vmalloc_buffer(substream); +} + +static int fwspk_prepare(struct snd_pcm_substream *substream) +{ + struct fwspk *fwspk = substream->private_data; + int err; + + mutex_lock(&fwspk->mutex); + + if (amdtp_streaming_error(&fwspk->stream)) + fwspk_stop_stream(fwspk); + + if (!amdtp_stream_running(&fwspk->stream)) { + err = cmp_connection_establish(&fwspk->connection, + amdtp_stream_get_max_payload(&fwspk->stream)); + if (err < 0) + goto err_mutex; + + err = amdtp_stream_start(&fwspk->stream, + fwspk->connection.resources.channel, + fwspk->connection.speed); + if (err < 0) + goto err_connection; + } + + mutex_unlock(&fwspk->mutex); + + amdtp_stream_pcm_prepare(&fwspk->stream); + + return 0; + +err_connection: + cmp_connection_break(&fwspk->connection); +err_mutex: + mutex_unlock(&fwspk->mutex); + + return err; +} + +static int fwspk_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct fwspk *fwspk = substream->private_data; + struct snd_pcm_substream *pcm; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + pcm = substream; + break; + case SNDRV_PCM_TRIGGER_STOP: + pcm = NULL; + break; + default: + return -EINVAL; + } + amdtp_stream_pcm_trigger(&fwspk->stream, pcm); + return 0; +} + +static snd_pcm_uframes_t fwspk_pointer(struct snd_pcm_substream *substream) +{ + struct fwspk *fwspk = substream->private_data; + + return amdtp_stream_pcm_pointer(&fwspk->stream); +} + +static int fwspk_create_pcm(struct fwspk *fwspk) +{ + static struct snd_pcm_ops ops = { + .open = fwspk_open, + .close = fwspk_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = fwspk_hw_params, + .hw_free = fwspk_hw_free, + .prepare = fwspk_prepare, + .trigger = fwspk_trigger, + .pointer = fwspk_pointer, + .page = snd_pcm_lib_get_vmalloc_page, + .mmap = snd_pcm_lib_mmap_vmalloc, + }; + struct snd_pcm *pcm; + int err; + + err = snd_pcm_new(fwspk->card, "OXFW970", 0, 1, 0, &pcm); + if (err < 0) + return err; + pcm->private_data = fwspk; + strcpy(pcm->name, fwspk->device_info->short_name); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &ops); + return 0; +} + +enum control_action { CTL_READ, CTL_WRITE }; +enum control_attribute { + CTL_MIN = 0x02, + CTL_MAX = 0x03, + CTL_CURRENT = 0x10, +}; + +static int fwspk_mute_command(struct fwspk *fwspk, bool *value, + enum control_action action) +{ + u8 *buf; + u8 response_ok; + int err; + + buf = kmalloc(11, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (action == CTL_READ) { + buf[0] = 0x01; /* AV/C, STATUS */ + response_ok = 0x0c; /* STABLE */ + } else { + buf[0] = 0x00; /* AV/C, CONTROL */ + response_ok = 0x09; /* ACCEPTED */ + } + buf[1] = 0x08; /* audio unit 0 */ + buf[2] = 0xb8; /* FUNCTION BLOCK */ + buf[3] = 0x81; /* function block type: feature */ + buf[4] = fwspk->device_info->mute_fb_id; /* function block ID */ + buf[5] = 0x10; /* control attribute: current */ + buf[6] = 0x02; /* selector length */ + buf[7] = 0x00; /* audio channel number */ + buf[8] = 0x01; /* control selector: mute */ + buf[9] = 0x01; /* control data length */ + if (action == CTL_READ) + buf[10] = 0xff; + else + buf[10] = *value ? 0x70 : 0x60; + + err = fcp_avc_transaction(fwspk->unit, buf, 11, buf, 11, 0x3fe); + if (err < 0) + goto error; + if (err < 11) { + dev_err(&fwspk->unit->device, "short FCP response\n"); + err = -EIO; + goto error; + } + if (buf[0] != response_ok) { + dev_err(&fwspk->unit->device, "mute command failed\n"); + err = -EIO; + goto error; + } + if (action == CTL_READ) + *value = buf[10] == 0x70; + + err = 0; + +error: + kfree(buf); + + return err; +} + +static int fwspk_volume_command(struct fwspk *fwspk, s16 *value, + unsigned int channel, + enum control_attribute attribute, + enum control_action action) +{ + u8 *buf; + u8 response_ok; + int err; + + buf = kmalloc(12, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (action == CTL_READ) { + buf[0] = 0x01; /* AV/C, STATUS */ + response_ok = 0x0c; /* STABLE */ + } else { + buf[0] = 0x00; /* AV/C, CONTROL */ + response_ok = 0x09; /* ACCEPTED */ + } + buf[1] = 0x08; /* audio unit 0 */ + buf[2] = 0xb8; /* FUNCTION BLOCK */ + buf[3] = 0x81; /* function block type: feature */ + buf[4] = fwspk->device_info->volume_fb_id; /* function block ID */ + buf[5] = attribute; /* control attribute */ + buf[6] = 0x02; /* selector length */ + buf[7] = channel; /* audio channel number */ + buf[8] = 0x02; /* control selector: volume */ + buf[9] = 0x02; /* control data length */ + if (action == CTL_READ) { + buf[10] = 0xff; + buf[11] = 0xff; + } else { + buf[10] = *value >> 8; + buf[11] = *value; + } + + err = fcp_avc_transaction(fwspk->unit, buf, 12, buf, 12, 0x3fe); + if (err < 0) + goto error; + if (err < 12) { + dev_err(&fwspk->unit->device, "short FCP response\n"); + err = -EIO; + goto error; + } + if (buf[0] != response_ok) { + dev_err(&fwspk->unit->device, "volume command failed\n"); + err = -EIO; + goto error; + } + if (action == CTL_READ) + *value = (buf[10] << 8) | buf[11]; + + err = 0; + +error: + kfree(buf); + + return err; +} + +static int fwspk_mute_get(struct snd_kcontrol *control, + struct snd_ctl_elem_value *value) +{ + struct fwspk *fwspk = control->private_data; + + value->value.integer.value[0] = !fwspk->mute; + + return 0; +} + +static int fwspk_mute_put(struct snd_kcontrol *control, + struct snd_ctl_elem_value *value) +{ + struct fwspk *fwspk = control->private_data; + bool mute; + int err; + + mute = !value->value.integer.value[0]; + + if (mute == fwspk->mute) + return 0; + + err = fwspk_mute_command(fwspk, &mute, CTL_WRITE); + if (err < 0) + return err; + fwspk->mute = mute; + + return 1; +} + +static int fwspk_volume_info(struct snd_kcontrol *control, + struct snd_ctl_elem_info *info) +{ + struct fwspk *fwspk = control->private_data; + + info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + info->count = fwspk->device_info->mixer_channels; + info->value.integer.min = fwspk->volume_min; + info->value.integer.max = fwspk->volume_max; + + return 0; +} + +static const u8 channel_map[6] = { 0, 1, 4, 5, 2, 3 }; + +static int fwspk_volume_get(struct snd_kcontrol *control, + struct snd_ctl_elem_value *value) +{ + struct fwspk *fwspk = control->private_data; + unsigned int i; + + for (i = 0; i < fwspk->device_info->mixer_channels; ++i) + value->value.integer.value[channel_map[i]] = fwspk->volume[i]; + + return 0; +} + +static int fwspk_volume_put(struct snd_kcontrol *control, + struct snd_ctl_elem_value *value) +{ + struct fwspk *fwspk = control->private_data; + unsigned int i, changed_channels; + bool equal_values = true; + s16 volume; + int err; + + for (i = 0; i < fwspk->device_info->mixer_channels; ++i) { + if (value->value.integer.value[i] < fwspk->volume_min || + value->value.integer.value[i] > fwspk->volume_max) + return -EINVAL; + if (value->value.integer.value[i] != + value->value.integer.value[0]) + equal_values = false; + } + + changed_channels = 0; + for (i = 0; i < fwspk->device_info->mixer_channels; ++i) + if (value->value.integer.value[channel_map[i]] != + fwspk->volume[i]) + changed_channels |= 1 << (i + 1); + + if (equal_values && changed_channels != 0) + changed_channels = 1 << 0; + + for (i = 0; i <= fwspk->device_info->mixer_channels; ++i) { + volume = value->value.integer.value[channel_map[i ? i - 1 : 0]]; + if (changed_channels & (1 << i)) { + err = fwspk_volume_command(fwspk, &volume, i, + CTL_CURRENT, CTL_WRITE); + if (err < 0) + return err; + } + if (i > 0) + fwspk->volume[i - 1] = volume; + } + + return changed_channels != 0; +} + +static int fwspk_create_mixer(struct fwspk *fwspk) +{ + static const struct snd_kcontrol_new controls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Switch", + .info = snd_ctl_boolean_mono_info, + .get = fwspk_mute_get, + .put = fwspk_mute_put, + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Volume", + .info = fwspk_volume_info, + .get = fwspk_volume_get, + .put = fwspk_volume_put, + }, + }; + unsigned int i, first_ch; + int err; + + err = fwspk_volume_command(fwspk, &fwspk->volume_min, + 0, CTL_MIN, CTL_READ); + if (err < 0) + return err; + err = fwspk_volume_command(fwspk, &fwspk->volume_max, + 0, CTL_MAX, CTL_READ); + if (err < 0) + return err; + + err = fwspk_mute_command(fwspk, &fwspk->mute, CTL_READ); + if (err < 0) + return err; + + first_ch = fwspk->device_info->mixer_channels == 1 ? 0 : 1; + for (i = 0; i < fwspk->device_info->mixer_channels; ++i) { + err = fwspk_volume_command(fwspk, &fwspk->volume[i], + first_ch + i, CTL_CURRENT, CTL_READ); + if (err < 0) + return err; + } + + for (i = 0; i < ARRAY_SIZE(controls); ++i) { + err = snd_ctl_add(fwspk->card, + snd_ctl_new1(&controls[i], fwspk)); + if (err < 0) + return err; + } + + return 0; +} + +static u32 fwspk_read_firmware_version(struct fw_unit *unit) +{ + __be32 data; + int err; + + err = snd_fw_transaction(unit, TCODE_READ_QUADLET_REQUEST, + OXFORD_FIRMWARE_ID_ADDRESS, &data, 4, 0); + return err >= 0 ? be32_to_cpu(data) : 0; +} + +static void fwspk_card_free(struct snd_card *card) +{ + struct fwspk *fwspk = card->private_data; + + amdtp_stream_destroy(&fwspk->stream); + cmp_connection_destroy(&fwspk->connection); + fw_unit_put(fwspk->unit); + mutex_destroy(&fwspk->mutex); +} + +static int fwspk_probe(struct fw_unit *unit, + const struct ieee1394_device_id *id) +{ + struct fw_device *fw_dev = fw_parent_device(unit); + struct snd_card *card; + struct fwspk *fwspk; + u32 firmware; + int err; + + err = snd_card_create(-1, NULL, THIS_MODULE, sizeof(*fwspk), &card); + if (err < 0) + return err; + snd_card_set_dev(card, &unit->device); + + fwspk = card->private_data; + fwspk->card = card; + mutex_init(&fwspk->mutex); + fwspk->unit = fw_unit_get(unit); + fwspk->device_info = (const struct device_info *)id->driver_data; + + err = cmp_connection_init(&fwspk->connection, unit, CMP_INPUT, 0); + if (err < 0) + goto err_unit; + + err = amdtp_stream_init(&fwspk->stream, unit, AMDTP_OUT_STREAM, + CIP_NONBLOCKING); + if (err < 0) + goto err_connection; + + card->private_free = fwspk_card_free; + + strcpy(card->driver, fwspk->device_info->driver_name); + strcpy(card->shortname, fwspk->device_info->short_name); + firmware = fwspk_read_firmware_version(unit); + snprintf(card->longname, sizeof(card->longname), + "%s (OXFW%x %04x), GUID %08x%08x at %s, S%d", + fwspk->device_info->long_name, + firmware >> 20, firmware & 0xffff, + fw_dev->config_rom[3], fw_dev->config_rom[4], + dev_name(&unit->device), 100 << fw_dev->max_speed); + strcpy(card->mixername, "OXFW970"); + + err = fwspk_create_pcm(fwspk); + if (err < 0) + goto error; + + err = fwspk_create_mixer(fwspk); + if (err < 0) + goto error; + + err = snd_card_register(card); + if (err < 0) + goto error; + + dev_set_drvdata(&unit->device, fwspk); + + return 0; + +err_connection: + cmp_connection_destroy(&fwspk->connection); +err_unit: + fw_unit_put(fwspk->unit); + mutex_destroy(&fwspk->mutex); +error: + snd_card_free(card); + return err; +} + +static void fwspk_bus_reset(struct fw_unit *unit) +{ + struct fwspk *fwspk = dev_get_drvdata(&unit->device); + + fcp_bus_reset(fwspk->unit); + + if (cmp_connection_update(&fwspk->connection) < 0) { + amdtp_stream_pcm_abort(&fwspk->stream); + mutex_lock(&fwspk->mutex); + fwspk_stop_stream(fwspk); + mutex_unlock(&fwspk->mutex); + return; + } + + amdtp_stream_update(&fwspk->stream); +} + +static void fwspk_remove(struct fw_unit *unit) +{ + struct fwspk *fwspk = dev_get_drvdata(&unit->device); + + amdtp_stream_pcm_abort(&fwspk->stream); + snd_card_disconnect(fwspk->card); + + mutex_lock(&fwspk->mutex); + fwspk_stop_stream(fwspk); + mutex_unlock(&fwspk->mutex); + + snd_card_free_when_closed(fwspk->card); +} + +static const struct device_info griffin_firewave = { + .driver_name = "FireWave", + .short_name = "FireWave", + .long_name = "Griffin FireWave Surround", + .pcm_constraints = firewave_constraints, + .mixer_channels = 6, + .mute_fb_id = 0x01, + .volume_fb_id = 0x02, +}; + +static const struct device_info lacie_speakers = { + .driver_name = "FWSpeakers", + .short_name = "FireWire Speakers", + .long_name = "LaCie FireWire Speakers", + .pcm_constraints = lacie_speakers_constraints, + .mixer_channels = 1, + .mute_fb_id = 0x01, + .volume_fb_id = 0x01, +}; + +static const struct ieee1394_device_id fwspk_id_table[] = { + { + .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_MODEL_ID | + IEEE1394_MATCH_SPECIFIER_ID | + IEEE1394_MATCH_VERSION, + .vendor_id = VENDOR_GRIFFIN, + .model_id = 0x00f970, + .specifier_id = SPECIFIER_1394TA, + .version = VERSION_AVC, + .driver_data = (kernel_ulong_t)&griffin_firewave, + }, + { + .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_MODEL_ID | + IEEE1394_MATCH_SPECIFIER_ID | + IEEE1394_MATCH_VERSION, + .vendor_id = VENDOR_LACIE, + .model_id = 0x00f970, + .specifier_id = SPECIFIER_1394TA, + .version = VERSION_AVC, + .driver_data = (kernel_ulong_t)&lacie_speakers, + }, + { } +}; +MODULE_DEVICE_TABLE(ieee1394, fwspk_id_table); + +static struct fw_driver fwspk_driver = { + .driver = { + .owner = THIS_MODULE, + .name = KBUILD_MODNAME, + .bus = &fw_bus_type, + }, + .probe = fwspk_probe, + .update = fwspk_bus_reset, + .remove = fwspk_remove, + .id_table = fwspk_id_table, +}; + +static int __init alsa_fwspk_init(void) +{ + return driver_register(&fwspk_driver.driver); +} + +static void __exit alsa_fwspk_exit(void) +{ + driver_unregister(&fwspk_driver.driver); +} + +module_init(alsa_fwspk_init); +module_exit(alsa_fwspk_exit);