398 lines
10 KiB
C
398 lines
10 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* oxfw.c - a part of driver for OXFW970/971 based devices
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*
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* Copyright (c) Clemens Ladisch <clemens@ladisch.de>
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*/
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#include "oxfw.h"
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#define OXFORD_FIRMWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x50000)
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/* 0x970?vvvv or 0x971?vvvv, where vvvv = firmware version */
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#define OXFORD_HARDWARE_ID_ADDRESS (CSR_REGISTER_BASE + 0x90020)
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#define OXFORD_HARDWARE_ID_OXFW970 0x39443841
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#define OXFORD_HARDWARE_ID_OXFW971 0x39373100
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#define VENDOR_LOUD 0x000ff2
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#define VENDOR_GRIFFIN 0x001292
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#define VENDOR_BEHRINGER 0x001564
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#define VENDOR_LACIE 0x00d04b
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#define VENDOR_TASCAM 0x00022e
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#define OUI_STANTON 0x001260
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#define OUI_APOGEE 0x0003db
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#define MODEL_SATELLITE 0x00200f
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#define MODEL_SCS1M 0x001000
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#define MODEL_DUET_FW 0x01dddd
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#define MODEL_ONYX_1640I 0x001640
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#define SPECIFIER_1394TA 0x00a02d
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#define VERSION_AVC 0x010001
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MODULE_DESCRIPTION("Oxford Semiconductor FW970/971 driver");
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MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS("snd-firewire-speakers");
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MODULE_ALIAS("snd-scs1x");
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struct compat_info {
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const char *driver_name;
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const char *vendor_name;
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const char *model_name;
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};
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static bool detect_loud_models(struct fw_unit *unit)
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{
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const char *const models[] = {
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"Onyxi",
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"Onyx-i",
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"Onyx 1640i",
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"d.Pro",
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"U.420"};
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char model[32];
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int err;
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err = fw_csr_string(unit->directory, CSR_MODEL,
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model, sizeof(model));
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if (err < 0)
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return false;
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return match_string(models, ARRAY_SIZE(models), model) >= 0;
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}
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static int name_card(struct snd_oxfw *oxfw, const struct ieee1394_device_id *entry)
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{
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struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
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const struct compat_info *info;
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char vendor[24];
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char model[32];
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const char *d, *v, *m;
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u32 firmware;
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int err;
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/* get vendor name from root directory */
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err = fw_csr_string(fw_dev->config_rom + 5, CSR_VENDOR,
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vendor, sizeof(vendor));
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if (err < 0)
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goto end;
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/* get model name from unit directory */
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err = fw_csr_string(oxfw->unit->directory, CSR_MODEL,
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model, sizeof(model));
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if (err < 0)
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goto end;
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err = snd_fw_transaction(oxfw->unit, TCODE_READ_QUADLET_REQUEST,
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OXFORD_FIRMWARE_ID_ADDRESS, &firmware, 4, 0);
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if (err < 0)
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goto end;
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be32_to_cpus(&firmware);
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if (firmware >> 20 == 0x970)
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oxfw->quirks |= SND_OXFW_QUIRK_JUMBO_PAYLOAD;
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/* to apply card definitions */
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if (entry->vendor_id == VENDOR_GRIFFIN || entry->vendor_id == VENDOR_LACIE) {
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info = (const struct compat_info *)entry->driver_data;
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d = info->driver_name;
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v = info->vendor_name;
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m = info->model_name;
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} else {
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d = "OXFW";
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v = vendor;
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m = model;
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}
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strcpy(oxfw->card->driver, d);
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strcpy(oxfw->card->mixername, m);
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strcpy(oxfw->card->shortname, m);
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snprintf(oxfw->card->longname, sizeof(oxfw->card->longname),
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"%s %s (OXFW%x %04x), GUID %08x%08x at %s, S%d",
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v, m, firmware >> 20, firmware & 0xffff,
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fw_dev->config_rom[3], fw_dev->config_rom[4],
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dev_name(&oxfw->unit->device), 100 << fw_dev->max_speed);
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end:
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return err;
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}
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static void oxfw_card_free(struct snd_card *card)
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{
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struct snd_oxfw *oxfw = card->private_data;
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if (oxfw->has_output || oxfw->has_input)
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snd_oxfw_stream_destroy_duplex(oxfw);
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mutex_destroy(&oxfw->mutex);
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fw_unit_put(oxfw->unit);
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}
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static int detect_quirks(struct snd_oxfw *oxfw, const struct ieee1394_device_id *entry)
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{
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struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
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struct fw_csr_iterator it;
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int key, val;
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int vendor, model;
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/*
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* Add ALSA control elements for two models to keep compatibility to
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* old firewire-speaker module.
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*/
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if (entry->vendor_id == VENDOR_GRIFFIN)
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return snd_oxfw_add_spkr(oxfw, false);
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if (entry->vendor_id == VENDOR_LACIE)
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return snd_oxfw_add_spkr(oxfw, true);
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/*
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* Stanton models supports asynchronous transactions for unique MIDI
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* messages.
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*/
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if (entry->vendor_id == OUI_STANTON) {
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oxfw->quirks |= SND_OXFW_QUIRK_SCS_TRANSACTION;
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if (entry->model_id == MODEL_SCS1M)
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oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION;
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// No physical MIDI ports.
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oxfw->midi_input_ports = 0;
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oxfw->midi_output_ports = 0;
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return snd_oxfw_scs1x_add(oxfw);
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}
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if (entry->vendor_id == OUI_APOGEE && entry->model_id == MODEL_DUET_FW) {
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oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION |
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SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET;
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}
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/*
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* TASCAM FireOne has physical control and requires a pair of additional
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* MIDI ports.
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*/
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if (entry->vendor_id == VENDOR_TASCAM) {
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oxfw->midi_input_ports++;
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oxfw->midi_output_ports++;
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return 0;
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}
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/* Seek from Root Directory of Config ROM. */
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vendor = model = 0;
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fw_csr_iterator_init(&it, fw_dev->config_rom + 5);
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while (fw_csr_iterator_next(&it, &key, &val)) {
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if (key == CSR_VENDOR)
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vendor = val;
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else if (key == CSR_MODEL)
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model = val;
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}
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if (vendor == VENDOR_LOUD) {
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// Mackie Onyx Satellite with base station has a quirk to report a wrong
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// value in 'dbs' field of CIP header against its format information.
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oxfw->quirks |= SND_OXFW_QUIRK_WRONG_DBS;
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// OXFW971-based models may transfer events by blocking method.
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if (!(oxfw->quirks & SND_OXFW_QUIRK_JUMBO_PAYLOAD))
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oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION;
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if (model == MODEL_ONYX_1640I) {
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//Unless receiving packets without NOINFO packet, the device transfers
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//mostly half of events in packets than expected.
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oxfw->quirks |= SND_OXFW_QUIRK_IGNORE_NO_INFO_PACKET |
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SND_OXFW_QUIRK_VOLUNTARY_RECOVERY;
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}
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}
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return 0;
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}
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static int oxfw_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry)
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{
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struct snd_card *card;
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struct snd_oxfw *oxfw;
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int err;
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if (entry->vendor_id == VENDOR_LOUD && entry->model_id == 0 && !detect_loud_models(unit))
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return -ENODEV;
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err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, sizeof(*oxfw), &card);
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if (err < 0)
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return err;
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card->private_free = oxfw_card_free;
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oxfw = card->private_data;
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oxfw->unit = fw_unit_get(unit);
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dev_set_drvdata(&unit->device, oxfw);
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oxfw->card = card;
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mutex_init(&oxfw->mutex);
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spin_lock_init(&oxfw->lock);
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init_waitqueue_head(&oxfw->hwdep_wait);
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err = name_card(oxfw, entry);
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if (err < 0)
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goto error;
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err = snd_oxfw_stream_discover(oxfw);
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if (err < 0)
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goto error;
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err = detect_quirks(oxfw, entry);
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if (err < 0)
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goto error;
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if (oxfw->has_output || oxfw->has_input) {
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err = snd_oxfw_stream_init_duplex(oxfw);
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if (err < 0)
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goto error;
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err = snd_oxfw_create_pcm(oxfw);
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if (err < 0)
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goto error;
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snd_oxfw_proc_init(oxfw);
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err = snd_oxfw_create_midi(oxfw);
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if (err < 0)
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goto error;
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err = snd_oxfw_create_hwdep(oxfw);
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if (err < 0)
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goto error;
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}
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err = snd_card_register(card);
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if (err < 0)
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goto error;
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return 0;
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error:
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snd_card_free(card);
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return err;
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}
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static void oxfw_bus_reset(struct fw_unit *unit)
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{
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struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
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fcp_bus_reset(oxfw->unit);
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if (oxfw->has_output || oxfw->has_input) {
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mutex_lock(&oxfw->mutex);
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snd_oxfw_stream_update_duplex(oxfw);
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mutex_unlock(&oxfw->mutex);
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}
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if (oxfw->quirks & SND_OXFW_QUIRK_SCS_TRANSACTION)
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snd_oxfw_scs1x_update(oxfw);
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}
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static void oxfw_remove(struct fw_unit *unit)
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{
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struct snd_oxfw *oxfw = dev_get_drvdata(&unit->device);
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// Block till all of ALSA character devices are released.
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snd_card_free(oxfw->card);
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}
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static const struct compat_info griffin_firewave = {
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.driver_name = "FireWave",
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.vendor_name = "Griffin",
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.model_name = "FireWave",
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};
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static const struct compat_info lacie_speakers = {
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.driver_name = "FWSpeakers",
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.vendor_name = "LaCie",
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.model_name = "FireWire Speakers",
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};
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#define OXFW_DEV_ENTRY(vendor, model, data) \
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{ \
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.match_flags = IEEE1394_MATCH_VENDOR_ID | \
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IEEE1394_MATCH_MODEL_ID | \
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IEEE1394_MATCH_SPECIFIER_ID | \
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IEEE1394_MATCH_VERSION, \
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.vendor_id = vendor, \
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.model_id = model, \
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.specifier_id = SPECIFIER_1394TA, \
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.version = VERSION_AVC, \
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.driver_data = (kernel_ulong_t)data, \
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}
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static const struct ieee1394_device_id oxfw_id_table[] = {
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//
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// OXFW970 devices:
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// Initial firmware has a quirk to postpone isoc packet transmission during finishing async
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// transaction. As a result, several isochronous cycles are skipped to transfer the packets
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// and the audio data frames which should have been transferred during the cycles are put
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// into packet at the first isoc cycle after the postpone. Furthermore, the value of SYT
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// field in CIP header is not reliable as synchronization timing,
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//
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OXFW_DEV_ENTRY(VENDOR_GRIFFIN, 0x00f970, &griffin_firewave),
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OXFW_DEV_ENTRY(VENDOR_LACIE, 0x00f970, &lacie_speakers),
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// Behringer,F-Control Audio 202. The value of SYT field is not reliable at all.
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OXFW_DEV_ENTRY(VENDOR_BEHRINGER, 0x00fc22, NULL),
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// Loud Technologies, Tapco Link.FireWire 4x6. The value of SYT field is always 0xffff.
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OXFW_DEV_ENTRY(VENDOR_LOUD, 0x000460, NULL),
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// Loud Technologies, Mackie Onyx Satellite. Although revised version of firmware is
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// installed to avoid the postpone, the value of SYT field is always 0xffff.
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OXFW_DEV_ENTRY(VENDOR_LOUD, MODEL_SATELLITE, NULL),
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// Miglia HarmonyAudio. Not yet identified.
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//
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// OXFW971 devices:
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// The value of SYT field in CIP header is enough reliable. Both of blocking and non-blocking
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// transmission methods are available.
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//
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// Any Mackie(Loud) models (name string/model id):
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// Onyx-i series (former models): 0x081216
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// Onyx 1640i: 0x001640
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// d.2 pro/d.4 pro (built-in card): Unknown
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// U.420: Unknown
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// U.420d: Unknown
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{
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.match_flags = IEEE1394_MATCH_VENDOR_ID |
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IEEE1394_MATCH_SPECIFIER_ID |
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IEEE1394_MATCH_VERSION,
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.vendor_id = VENDOR_LOUD,
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.model_id = 0,
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.specifier_id = SPECIFIER_1394TA,
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.version = VERSION_AVC,
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},
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// TASCAM, FireOne.
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OXFW_DEV_ENTRY(VENDOR_TASCAM, 0x800007, NULL),
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// Stanton, Stanton Controllers & Systems 1 Mixer (SCS.1m).
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OXFW_DEV_ENTRY(OUI_STANTON, MODEL_SCS1M, NULL),
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// Stanton, Stanton Controllers & Systems 1 Deck (SCS.1d).
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OXFW_DEV_ENTRY(OUI_STANTON, 0x002000, NULL),
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// APOGEE, duet FireWire.
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OXFW_DEV_ENTRY(OUI_APOGEE, MODEL_DUET_FW, NULL),
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{ }
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};
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MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);
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static struct fw_driver oxfw_driver = {
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.driver = {
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.owner = THIS_MODULE,
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.name = KBUILD_MODNAME,
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.bus = &fw_bus_type,
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},
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.probe = oxfw_probe,
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.update = oxfw_bus_reset,
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.remove = oxfw_remove,
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.id_table = oxfw_id_table,
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};
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static int __init snd_oxfw_init(void)
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{
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return driver_register(&oxfw_driver.driver);
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}
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static void __exit snd_oxfw_exit(void)
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{
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driver_unregister(&oxfw_driver.driver);
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}
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module_init(snd_oxfw_init);
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module_exit(snd_oxfw_exit);
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