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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /sound/firewire/bebob/bebob_maudio.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/firewire/bebob/bebob_maudio.c')
-rw-r--r-- | sound/firewire/bebob/bebob_maudio.c | 797 |
1 files changed, 797 insertions, 0 deletions
diff --git a/sound/firewire/bebob/bebob_maudio.c b/sound/firewire/bebob/bebob_maudio.c new file mode 100644 index 000000000..177699e1b --- /dev/null +++ b/sound/firewire/bebob/bebob_maudio.c @@ -0,0 +1,797 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * bebob_maudio.c - a part of driver for BeBoB based devices + * + * Copyright (c) 2013-2014 Takashi Sakamoto + */ + +#include "./bebob.h" +#include <sound/control.h> + +/* + * Just powering on, Firewire 410/Audiophile/1814 and ProjectMix I/O wait to + * download firmware blob. To enable these devices, drivers should upload + * firmware blob and send a command to initialize configuration to factory + * settings when completing uploading. Then these devices generate bus reset + * and are recognized as new devices with the firmware. + * + * But with firmware version 5058 or later, the firmware is stored to flash + * memory in the device and drivers can tell bootloader to load the firmware + * by sending a cue. This cue must be sent one time. + * + * For streaming, both of output and input streams are needed for Firewire 410 + * and Ozonic. The single stream is OK for the other devices even if the clock + * source is not SYT-Match (I note no devices use SYT-Match). + * + * Without streaming, the devices except for Firewire Audiophile can mix any + * input and output. For this reason, Audiophile cannot be used as standalone + * mixer. + * + * Firewire 1814 and ProjectMix I/O uses special firmware. It will be freezed + * when receiving any commands which the firmware can't understand. These + * devices utilize completely different system to control. It is some + * write-transaction directly into a certain address. All of addresses for mixer + * functionality is between 0xffc700700000 to 0xffc70070009c. + */ + +/* Offset from information register */ +#define INFO_OFFSET_SW_DATE 0x20 + +/* Bootloader Protocol Version 1 */ +#define MAUDIO_BOOTLOADER_CUE1 0x00000001 +/* + * Initializing configuration to factory settings (= 0x1101), (swapped in line), + * Command code is zero (= 0x00), + * the number of operands is zero (= 0x00)(at least significant byte) + */ +#define MAUDIO_BOOTLOADER_CUE2 0x01110000 +/* padding */ +#define MAUDIO_BOOTLOADER_CUE3 0x00000000 + +#define MAUDIO_SPECIFIC_ADDRESS 0xffc700000000ULL + +#define METER_OFFSET 0x00600000 + +/* some device has sync info after metering data */ +#define METER_SIZE_SPECIAL 84 /* with sync info */ +#define METER_SIZE_FW410 76 /* with sync info */ +#define METER_SIZE_AUDIOPHILE 60 /* with sync info */ +#define METER_SIZE_SOLO 52 /* with sync info */ +#define METER_SIZE_OZONIC 48 +#define METER_SIZE_NRV10 80 + +/* labels for metering */ +#define ANA_IN "Analog In" +#define ANA_OUT "Analog Out" +#define DIG_IN "Digital In" +#define SPDIF_IN "S/PDIF In" +#define ADAT_IN "ADAT In" +#define DIG_OUT "Digital Out" +#define SPDIF_OUT "S/PDIF Out" +#define ADAT_OUT "ADAT Out" +#define STRM_IN "Stream In" +#define AUX_OUT "Aux Out" +#define HP_OUT "HP Out" +/* for NRV */ +#define UNKNOWN_METER "Unknown" + +struct special_params { + bool is1814; + unsigned int clk_src; + unsigned int dig_in_fmt; + unsigned int dig_out_fmt; + unsigned int clk_lock; + struct snd_ctl_elem_id *ctl_id_sync; +}; + +/* + * For some M-Audio devices, this module just send cue to load firmware. After + * loading, the device generates bus reset and newly detected. + * + * If we make any transactions to load firmware, the operation may failed. + */ +int snd_bebob_maudio_load_firmware(struct fw_unit *unit) +{ + struct fw_device *device = fw_parent_device(unit); + int err, rcode; + u64 date; + __le32 *cues; + + /* check date of software used to build */ + err = snd_bebob_read_block(unit, INFO_OFFSET_SW_DATE, + &date, sizeof(u64)); + if (err < 0) + return err; + /* + * firmware version 5058 or later has date later than "20070401", but + * 'date' is not null-terminated. + */ + if (date < 0x3230303730343031LL) { + dev_err(&unit->device, + "Use firmware version 5058 or later\n"); + return -ENXIO; + } + + cues = kmalloc_array(3, sizeof(*cues), GFP_KERNEL); + if (!cues) + return -ENOMEM; + + cues[0] = cpu_to_le32(MAUDIO_BOOTLOADER_CUE1); + cues[1] = cpu_to_le32(MAUDIO_BOOTLOADER_CUE2); + cues[2] = cpu_to_le32(MAUDIO_BOOTLOADER_CUE3); + + rcode = fw_run_transaction(device->card, TCODE_WRITE_BLOCK_REQUEST, + device->node_id, device->generation, + device->max_speed, BEBOB_ADDR_REG_REQ, + cues, 3 * sizeof(*cues)); + kfree(cues); + if (rcode != RCODE_COMPLETE) { + dev_err(&unit->device, + "Failed to send a cue to load firmware\n"); + err = -EIO; + } + + return err; +} + +static inline int +get_meter(struct snd_bebob *bebob, void *buf, unsigned int size) +{ + return snd_fw_transaction(bebob->unit, TCODE_READ_BLOCK_REQUEST, + MAUDIO_SPECIFIC_ADDRESS + METER_OFFSET, + buf, size, 0); +} + +static int +check_clk_sync(struct snd_bebob *bebob, unsigned int size, bool *sync) +{ + int err; + u8 *buf; + + buf = kmalloc(size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + err = get_meter(bebob, buf, size); + if (err < 0) + goto end; + + /* if synced, this value is the same as SFC of FDF in CIP header */ + *sync = (buf[size - 2] != 0xff); +end: + kfree(buf); + return err; +} + +/* + * dig_fmt: 0x00:S/PDIF, 0x01:ADAT + * clk_lock: 0x00:unlock, 0x01:lock + */ +static int +avc_maudio_set_special_clk(struct snd_bebob *bebob, unsigned int clk_src, + unsigned int dig_in_fmt, unsigned int dig_out_fmt, + unsigned int clk_lock) +{ + struct special_params *params = bebob->maudio_special_quirk; + int err; + u8 *buf; + + if (amdtp_stream_running(&bebob->rx_stream) || + amdtp_stream_running(&bebob->tx_stream)) + return -EBUSY; + + buf = kmalloc(12, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + buf[0] = 0x00; /* CONTROL */ + buf[1] = 0xff; /* UNIT */ + buf[2] = 0x00; /* vendor dependent */ + buf[3] = 0x04; /* company ID high */ + buf[4] = 0x00; /* company ID middle */ + buf[5] = 0x04; /* company ID low */ + buf[6] = 0xff & clk_src; /* clock source */ + buf[7] = 0xff & dig_in_fmt; /* input digital format */ + buf[8] = 0xff & dig_out_fmt; /* output digital format */ + buf[9] = 0xff & clk_lock; /* lock these settings */ + buf[10] = 0x00; /* padding */ + buf[11] = 0x00; /* padding */ + + err = fcp_avc_transaction(bebob->unit, buf, 12, buf, 12, + BIT(1) | BIT(2) | BIT(3) | BIT(4) | + BIT(5) | BIT(6) | BIT(7) | BIT(8) | + BIT(9)); + if ((err > 0) && (err < 10)) + err = -EIO; + else if (buf[0] == 0x08) /* NOT IMPLEMENTED */ + err = -ENOSYS; + else if (buf[0] == 0x0a) /* REJECTED */ + err = -EINVAL; + if (err < 0) + goto end; + + params->clk_src = buf[6]; + params->dig_in_fmt = buf[7]; + params->dig_out_fmt = buf[8]; + params->clk_lock = buf[9]; + + if (params->ctl_id_sync) + snd_ctl_notify(bebob->card, SNDRV_CTL_EVENT_MASK_VALUE, + params->ctl_id_sync); + + err = 0; +end: + kfree(buf); + return err; +} +static void +special_stream_formation_set(struct snd_bebob *bebob) +{ + static const unsigned int ch_table[2][2][3] = { + /* AMDTP_OUT_STREAM */ + { { 6, 6, 4 }, /* SPDIF */ + { 12, 8, 4 } }, /* ADAT */ + /* AMDTP_IN_STREAM */ + { { 10, 10, 2 }, /* SPDIF */ + { 16, 12, 2 } } /* ADAT */ + }; + struct special_params *params = bebob->maudio_special_quirk; + unsigned int i, max; + + max = SND_BEBOB_STRM_FMT_ENTRIES - 1; + if (!params->is1814) + max -= 2; + + for (i = 0; i < max; i++) { + bebob->tx_stream_formations[i + 1].pcm = + ch_table[AMDTP_IN_STREAM][params->dig_in_fmt][i / 2]; + bebob->tx_stream_formations[i + 1].midi = 1; + + bebob->rx_stream_formations[i + 1].pcm = + ch_table[AMDTP_OUT_STREAM][params->dig_out_fmt][i / 2]; + bebob->rx_stream_formations[i + 1].midi = 1; + } +} + +static int add_special_controls(struct snd_bebob *bebob); +int +snd_bebob_maudio_special_discover(struct snd_bebob *bebob, bool is1814) +{ + struct special_params *params; + int err; + + params = devm_kzalloc(&bebob->card->card_dev, + sizeof(struct special_params), GFP_KERNEL); + if (!params) + return -ENOMEM; + + mutex_lock(&bebob->mutex); + + bebob->maudio_special_quirk = (void *)params; + params->is1814 = is1814; + + /* initialize these parameters because driver is not allowed to ask */ + bebob->rx_stream.context = ERR_PTR(-1); + bebob->tx_stream.context = ERR_PTR(-1); + err = avc_maudio_set_special_clk(bebob, 0x03, 0x00, 0x00, 0x00); + if (err < 0) { + dev_err(&bebob->unit->device, + "fail to initialize clock params: %d\n", err); + goto end; + } + + err = add_special_controls(bebob); + if (err < 0) + goto end; + + special_stream_formation_set(bebob); + + if (params->is1814) { + bebob->midi_input_ports = 1; + bebob->midi_output_ports = 1; + } else { + bebob->midi_input_ports = 2; + bebob->midi_output_ports = 2; + } +end: + mutex_unlock(&bebob->mutex); + return err; +} + +/* Input plug shows actual rate. Output plug is needless for this purpose. */ +static int special_get_rate(struct snd_bebob *bebob, unsigned int *rate) +{ + int err, trials; + + trials = 0; + do { + err = avc_general_get_sig_fmt(bebob->unit, rate, + AVC_GENERAL_PLUG_DIR_IN, 0); + } while (err == -EAGAIN && ++trials < 3); + + return err; +} +static int special_set_rate(struct snd_bebob *bebob, unsigned int rate) +{ + struct special_params *params = bebob->maudio_special_quirk; + int err; + + err = avc_general_set_sig_fmt(bebob->unit, rate, + AVC_GENERAL_PLUG_DIR_OUT, 0); + if (err < 0) + goto end; + + /* + * Just after changing sampling rate for output, a followed command + * for input is easy to fail. This is a workaround fot this issue. + */ + msleep(100); + + err = avc_general_set_sig_fmt(bebob->unit, rate, + AVC_GENERAL_PLUG_DIR_IN, 0); + if (err < 0) + goto end; + + if (params->ctl_id_sync) + snd_ctl_notify(bebob->card, SNDRV_CTL_EVENT_MASK_VALUE, + params->ctl_id_sync); +end: + return err; +} + +/* Clock source control for special firmware */ +static const enum snd_bebob_clock_type special_clk_types[] = { + SND_BEBOB_CLOCK_TYPE_INTERNAL, /* With digital mute */ + SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* SPDIF/ADAT */ + SND_BEBOB_CLOCK_TYPE_EXTERNAL, /* Word Clock */ + SND_BEBOB_CLOCK_TYPE_INTERNAL, +}; +static int special_clk_get(struct snd_bebob *bebob, unsigned int *id) +{ + struct special_params *params = bebob->maudio_special_quirk; + *id = params->clk_src; + return 0; +} +static int special_clk_ctl_info(struct snd_kcontrol *kctl, + struct snd_ctl_elem_info *einf) +{ + static const char *const special_clk_labels[] = { + "Internal with Digital Mute", + "Digital", + "Word Clock", + "Internal" + }; + return snd_ctl_enum_info(einf, 1, ARRAY_SIZE(special_clk_types), + special_clk_labels); +} +static int special_clk_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uval) +{ + struct snd_bebob *bebob = snd_kcontrol_chip(kctl); + struct special_params *params = bebob->maudio_special_quirk; + uval->value.enumerated.item[0] = params->clk_src; + return 0; +} +static int special_clk_ctl_put(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uval) +{ + struct snd_bebob *bebob = snd_kcontrol_chip(kctl); + struct special_params *params = bebob->maudio_special_quirk; + int err, id; + + id = uval->value.enumerated.item[0]; + if (id >= ARRAY_SIZE(special_clk_types)) + return -EINVAL; + + mutex_lock(&bebob->mutex); + + err = avc_maudio_set_special_clk(bebob, id, + params->dig_in_fmt, + params->dig_out_fmt, + params->clk_lock); + mutex_unlock(&bebob->mutex); + + if (err >= 0) + err = 1; + + return err; +} +static const struct snd_kcontrol_new special_clk_ctl = { + .name = "Clock Source", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = special_clk_ctl_info, + .get = special_clk_ctl_get, + .put = special_clk_ctl_put +}; + +/* Clock synchronization control for special firmware */ +static int special_sync_ctl_info(struct snd_kcontrol *kctl, + struct snd_ctl_elem_info *einf) +{ + einf->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + einf->count = 1; + einf->value.integer.min = 0; + einf->value.integer.max = 1; + + return 0; +} +static int special_sync_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uval) +{ + struct snd_bebob *bebob = snd_kcontrol_chip(kctl); + int err; + bool synced = 0; + + err = check_clk_sync(bebob, METER_SIZE_SPECIAL, &synced); + if (err >= 0) + uval->value.integer.value[0] = synced; + + return 0; +} +static const struct snd_kcontrol_new special_sync_ctl = { + .name = "Sync Status", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READ, + .info = special_sync_ctl_info, + .get = special_sync_ctl_get, +}; + +/* Digital input interface control for special firmware */ +static const char *const special_dig_in_iface_labels[] = { + "S/PDIF Optical", "S/PDIF Coaxial", "ADAT Optical" +}; +static int special_dig_in_iface_ctl_info(struct snd_kcontrol *kctl, + struct snd_ctl_elem_info *einf) +{ + return snd_ctl_enum_info(einf, 1, + ARRAY_SIZE(special_dig_in_iface_labels), + special_dig_in_iface_labels); +} +static int special_dig_in_iface_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uval) +{ + struct snd_bebob *bebob = snd_kcontrol_chip(kctl); + struct special_params *params = bebob->maudio_special_quirk; + unsigned int dig_in_iface; + int err, val; + + mutex_lock(&bebob->mutex); + + err = avc_audio_get_selector(bebob->unit, 0x00, 0x04, + &dig_in_iface); + if (err < 0) { + dev_err(&bebob->unit->device, + "fail to get digital input interface: %d\n", err); + goto end; + } + + /* encoded id for user value */ + val = (params->dig_in_fmt << 1) | (dig_in_iface & 0x01); + + /* for ADAT Optical */ + if (val > 2) + val = 2; + + uval->value.enumerated.item[0] = val; +end: + mutex_unlock(&bebob->mutex); + return err; +} +static int special_dig_in_iface_ctl_set(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uval) +{ + struct snd_bebob *bebob = snd_kcontrol_chip(kctl); + struct special_params *params = bebob->maudio_special_quirk; + unsigned int id, dig_in_fmt, dig_in_iface; + int err; + + id = uval->value.enumerated.item[0]; + if (id >= ARRAY_SIZE(special_dig_in_iface_labels)) + return -EINVAL; + + /* decode user value */ + dig_in_fmt = (id >> 1) & 0x01; + dig_in_iface = id & 0x01; + + mutex_lock(&bebob->mutex); + + err = avc_maudio_set_special_clk(bebob, + params->clk_src, + dig_in_fmt, + params->dig_out_fmt, + params->clk_lock); + if (err < 0) + goto end; + + /* For ADAT, optical interface is only available. */ + if (params->dig_in_fmt > 0) { + err = 1; + goto end; + } + + /* For S/PDIF, optical/coaxial interfaces are selectable. */ + err = avc_audio_set_selector(bebob->unit, 0x00, 0x04, dig_in_iface); + if (err < 0) + dev_err(&bebob->unit->device, + "fail to set digital input interface: %d\n", err); + err = 1; +end: + special_stream_formation_set(bebob); + mutex_unlock(&bebob->mutex); + return err; +} +static const struct snd_kcontrol_new special_dig_in_iface_ctl = { + .name = "Digital Input Interface", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = special_dig_in_iface_ctl_info, + .get = special_dig_in_iface_ctl_get, + .put = special_dig_in_iface_ctl_set +}; + +/* Digital output interface control for special firmware */ +static const char *const special_dig_out_iface_labels[] = { + "S/PDIF Optical and Coaxial", "ADAT Optical" +}; +static int special_dig_out_iface_ctl_info(struct snd_kcontrol *kctl, + struct snd_ctl_elem_info *einf) +{ + return snd_ctl_enum_info(einf, 1, + ARRAY_SIZE(special_dig_out_iface_labels), + special_dig_out_iface_labels); +} +static int special_dig_out_iface_ctl_get(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uval) +{ + struct snd_bebob *bebob = snd_kcontrol_chip(kctl); + struct special_params *params = bebob->maudio_special_quirk; + mutex_lock(&bebob->mutex); + uval->value.enumerated.item[0] = params->dig_out_fmt; + mutex_unlock(&bebob->mutex); + return 0; +} +static int special_dig_out_iface_ctl_set(struct snd_kcontrol *kctl, + struct snd_ctl_elem_value *uval) +{ + struct snd_bebob *bebob = snd_kcontrol_chip(kctl); + struct special_params *params = bebob->maudio_special_quirk; + unsigned int id; + int err; + + id = uval->value.enumerated.item[0]; + if (id >= ARRAY_SIZE(special_dig_out_iface_labels)) + return -EINVAL; + + mutex_lock(&bebob->mutex); + + err = avc_maudio_set_special_clk(bebob, + params->clk_src, + params->dig_in_fmt, + id, params->clk_lock); + if (err >= 0) { + special_stream_formation_set(bebob); + err = 1; + } + + mutex_unlock(&bebob->mutex); + return err; +} +static const struct snd_kcontrol_new special_dig_out_iface_ctl = { + .name = "Digital Output Interface", + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = special_dig_out_iface_ctl_info, + .get = special_dig_out_iface_ctl_get, + .put = special_dig_out_iface_ctl_set +}; + +static int add_special_controls(struct snd_bebob *bebob) +{ + struct snd_kcontrol *kctl; + struct special_params *params = bebob->maudio_special_quirk; + int err; + + kctl = snd_ctl_new1(&special_clk_ctl, bebob); + err = snd_ctl_add(bebob->card, kctl); + if (err < 0) + goto end; + + kctl = snd_ctl_new1(&special_sync_ctl, bebob); + err = snd_ctl_add(bebob->card, kctl); + if (err < 0) + goto end; + params->ctl_id_sync = &kctl->id; + + kctl = snd_ctl_new1(&special_dig_in_iface_ctl, bebob); + err = snd_ctl_add(bebob->card, kctl); + if (err < 0) + goto end; + + kctl = snd_ctl_new1(&special_dig_out_iface_ctl, bebob); + err = snd_ctl_add(bebob->card, kctl); +end: + return err; +} + +/* Hardware metering for special firmware */ +static const char *const special_meter_labels[] = { + ANA_IN, ANA_IN, ANA_IN, ANA_IN, + SPDIF_IN, + ADAT_IN, ADAT_IN, ADAT_IN, ADAT_IN, + ANA_OUT, ANA_OUT, + SPDIF_OUT, + ADAT_OUT, ADAT_OUT, ADAT_OUT, ADAT_OUT, + HP_OUT, HP_OUT, + AUX_OUT +}; +static int +special_meter_get(struct snd_bebob *bebob, u32 *target, unsigned int size) +{ + __be16 *buf; + unsigned int i, c, channels; + int err; + + channels = ARRAY_SIZE(special_meter_labels) * 2; + if (size < channels * sizeof(u32)) + return -EINVAL; + + /* omit last 4 bytes because it's clock info. */ + buf = kmalloc(METER_SIZE_SPECIAL - 4, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + err = get_meter(bebob, (void *)buf, METER_SIZE_SPECIAL - 4); + if (err < 0) + goto end; + + /* Its format is u16 and some channels are unknown. */ + i = 0; + for (c = 2; c < channels + 2; c++) + target[i++] = be16_to_cpu(buf[c]) << 16; +end: + kfree(buf); + return err; +} + +/* last 4 bytes are omitted because it's clock info. */ +static const char *const fw410_meter_labels[] = { + ANA_IN, DIG_IN, + ANA_OUT, ANA_OUT, ANA_OUT, ANA_OUT, DIG_OUT, + HP_OUT +}; +static const char *const audiophile_meter_labels[] = { + ANA_IN, DIG_IN, + ANA_OUT, ANA_OUT, DIG_OUT, + HP_OUT, AUX_OUT, +}; +static const char *const solo_meter_labels[] = { + ANA_IN, DIG_IN, + STRM_IN, STRM_IN, + ANA_OUT, DIG_OUT +}; + +/* no clock info */ +static const char *const ozonic_meter_labels[] = { + ANA_IN, ANA_IN, + STRM_IN, STRM_IN, + ANA_OUT, ANA_OUT +}; +/* TODO: need testers. these positions are based on authour's assumption */ +static const char *const nrv10_meter_labels[] = { + ANA_IN, ANA_IN, ANA_IN, ANA_IN, + DIG_IN, + ANA_OUT, ANA_OUT, ANA_OUT, ANA_OUT, + DIG_IN +}; +static int +normal_meter_get(struct snd_bebob *bebob, u32 *buf, unsigned int size) +{ + const struct snd_bebob_meter_spec *spec = bebob->spec->meter; + unsigned int c, channels; + int err; + + channels = spec->num * 2; + if (size < channels * sizeof(u32)) + return -EINVAL; + + err = get_meter(bebob, (void *)buf, size); + if (err < 0) + goto end; + + for (c = 0; c < channels; c++) + be32_to_cpus(&buf[c]); + + /* swap stream channels because inverted */ + if (spec->labels == solo_meter_labels) { + swap(buf[4], buf[6]); + swap(buf[5], buf[7]); + } +end: + return err; +} + +/* for special customized devices */ +static const struct snd_bebob_rate_spec special_rate_spec = { + .get = &special_get_rate, + .set = &special_set_rate, +}; +static const struct snd_bebob_clock_spec special_clk_spec = { + .num = ARRAY_SIZE(special_clk_types), + .types = special_clk_types, + .get = &special_clk_get, +}; +static const struct snd_bebob_meter_spec special_meter_spec = { + .num = ARRAY_SIZE(special_meter_labels), + .labels = special_meter_labels, + .get = &special_meter_get +}; +const struct snd_bebob_spec maudio_special_spec = { + .clock = &special_clk_spec, + .rate = &special_rate_spec, + .meter = &special_meter_spec +}; + +/* Firewire 410 specification */ +static const struct snd_bebob_rate_spec usual_rate_spec = { + .get = &snd_bebob_stream_get_rate, + .set = &snd_bebob_stream_set_rate, +}; +static const struct snd_bebob_meter_spec fw410_meter_spec = { + .num = ARRAY_SIZE(fw410_meter_labels), + .labels = fw410_meter_labels, + .get = &normal_meter_get +}; +const struct snd_bebob_spec maudio_fw410_spec = { + .clock = NULL, + .rate = &usual_rate_spec, + .meter = &fw410_meter_spec +}; + +/* Firewire Audiophile specification */ +static const struct snd_bebob_meter_spec audiophile_meter_spec = { + .num = ARRAY_SIZE(audiophile_meter_labels), + .labels = audiophile_meter_labels, + .get = &normal_meter_get +}; +const struct snd_bebob_spec maudio_audiophile_spec = { + .clock = NULL, + .rate = &usual_rate_spec, + .meter = &audiophile_meter_spec +}; + +/* Firewire Solo specification */ +static const struct snd_bebob_meter_spec solo_meter_spec = { + .num = ARRAY_SIZE(solo_meter_labels), + .labels = solo_meter_labels, + .get = &normal_meter_get +}; +const struct snd_bebob_spec maudio_solo_spec = { + .clock = NULL, + .rate = &usual_rate_spec, + .meter = &solo_meter_spec +}; + +/* Ozonic specification */ +static const struct snd_bebob_meter_spec ozonic_meter_spec = { + .num = ARRAY_SIZE(ozonic_meter_labels), + .labels = ozonic_meter_labels, + .get = &normal_meter_get +}; +const struct snd_bebob_spec maudio_ozonic_spec = { + .clock = NULL, + .rate = &usual_rate_spec, + .meter = &ozonic_meter_spec +}; + +/* NRV10 specification */ +static const struct snd_bebob_meter_spec nrv10_meter_spec = { + .num = ARRAY_SIZE(nrv10_meter_labels), + .labels = nrv10_meter_labels, + .get = &normal_meter_get +}; +const struct snd_bebob_spec maudio_nrv10_spec = { + .clock = NULL, + .rate = &usual_rate_spec, + .meter = &nrv10_meter_spec +}; |