327 lines
7.7 KiB
C
327 lines
7.7 KiB
C
/*
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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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* Licensed under the terms of the GNU General Public License, version 2.
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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 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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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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"d.Pro",
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"Mackie Onyx Satellite",
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"Tapco LINK.firewire 4x6",
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"U.420"};
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char model[32];
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unsigned int i;
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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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for (i = 0; i < ARRAY_SIZE(models); i++) {
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if (strcmp(models[i], model) == 0)
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break;
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}
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return (i < ARRAY_SIZE(models));
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}
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static int name_card(struct snd_oxfw *oxfw)
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{
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struct fw_device *fw_dev = fw_parent_device(oxfw->unit);
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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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/* to apply card definitions */
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if (oxfw->device_info) {
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d = oxfw->device_info->driver_name;
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v = oxfw->device_info->vendor_name;
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m = oxfw->device_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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/*
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* This module releases the FireWire unit data after all ALSA character devices
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* are released by applications. This is for releasing stream data or finishing
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* transactions safely. Thus at returning from .remove(), this module still keep
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* references for the unit.
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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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unsigned int i;
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fw_unit_put(oxfw->unit);
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for (i = 0; i < SND_OXFW_STREAM_FORMAT_ENTRIES; i++) {
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kfree(oxfw->tx_stream_formats[i]);
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kfree(oxfw->rx_stream_formats[i]);
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}
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mutex_destroy(&oxfw->mutex);
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}
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static int oxfw_probe(struct fw_unit *unit,
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const struct ieee1394_device_id *id)
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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 ((id->vendor_id == VENDOR_LOUD) && !detect_loud_models(unit))
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return -ENODEV;
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err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE,
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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->card = card;
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mutex_init(&oxfw->mutex);
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oxfw->unit = fw_unit_get(unit);
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oxfw->device_info = (const struct device_info *)id->driver_data;
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spin_lock_init(&oxfw->lock);
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init_waitqueue_head(&oxfw->hwdep_wait);
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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 = name_card(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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if (oxfw->device_info) {
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err = snd_oxfw_create_mixer(oxfw);
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if (err < 0)
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goto error;
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}
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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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err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->rx_stream);
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if (err < 0)
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goto error;
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if (oxfw->has_output) {
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err = snd_oxfw_stream_init_simplex(oxfw, &oxfw->tx_stream);
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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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snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
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if (oxfw->has_output)
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snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
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goto error;
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}
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dev_set_drvdata(&unit->device, oxfw);
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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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mutex_lock(&oxfw->mutex);
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snd_oxfw_stream_update_simplex(oxfw, &oxfw->rx_stream);
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if (oxfw->has_output)
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snd_oxfw_stream_update_simplex(oxfw, &oxfw->tx_stream);
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mutex_unlock(&oxfw->mutex);
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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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snd_card_disconnect(oxfw->card);
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snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->rx_stream);
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if (oxfw->has_output)
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snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
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/* No need to wait for releasing card object in this context. */
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snd_card_free_when_closed(oxfw->card);
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}
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static const struct device_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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.mixer_channels = 6,
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.mute_fb_id = 0x01,
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.volume_fb_id = 0x02,
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};
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static const struct device_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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.mixer_channels = 1,
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.mute_fb_id = 0x01,
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.volume_fb_id = 0x01,
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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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.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_GRIFFIN,
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.model_id = 0x00f970,
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.specifier_id = SPECIFIER_1394TA,
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.version = VERSION_AVC,
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.driver_data = (kernel_ulong_t)&griffin_firewave,
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},
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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_LACIE,
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.model_id = 0x00f970,
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.specifier_id = SPECIFIER_1394TA,
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.version = VERSION_AVC,
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.driver_data = (kernel_ulong_t)&lacie_speakers,
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},
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/* Behringer,F-Control Audio 202 */
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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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.vendor_id = VENDOR_BEHRINGER,
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.model_id = 0x00fc22,
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},
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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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* Mackie Onyx Satellite: 0x00200f
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* Tapco LINK.firewire 4x6: 0x000460
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* d.2 pro: Unknown
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* d.4 pro: Unknown
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* U.420: Unknown
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* U.420d: Unknown
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*/
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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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.specifier_id = SPECIFIER_1394TA,
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.version = VERSION_AVC,
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},
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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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