462 строки
11 KiB
C
462 строки
11 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 VENDOR_TASCAM 0x00022e
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#define OUI_STANTON 0x001260
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#define MODEL_SATELLITE 0x00200f
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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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"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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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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/* to apply card definitions */
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if (oxfw->entry->vendor_id == VENDOR_GRIFFIN ||
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oxfw->entry->vendor_id == VENDOR_LACIE) {
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info = (const struct compat_info *)oxfw->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_free(struct snd_oxfw *oxfw)
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{
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unsigned int i;
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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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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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kfree(oxfw->spec);
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mutex_destroy(&oxfw->mutex);
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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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oxfw_free(card->private_data);
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}
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static int detect_quirks(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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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 (oxfw->entry->vendor_id == VENDOR_GRIFFIN)
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return snd_oxfw_add_spkr(oxfw, false);
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if (oxfw->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 (oxfw->entry->vendor_id == OUI_STANTON) {
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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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/* Output stream exists but no data channels are useful. */
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oxfw->has_output = false;
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return snd_oxfw_scs1x_add(oxfw);
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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 (oxfw->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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/*
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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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*/
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if (vendor == VENDOR_LOUD && model == MODEL_SATELLITE)
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oxfw->wrong_dbs = true;
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return 0;
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}
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static void do_registration(struct work_struct *work)
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{
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struct snd_oxfw *oxfw = container_of(work, struct snd_oxfw, dwork.work);
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int err;
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if (oxfw->registered)
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return;
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err = snd_card_new(&oxfw->unit->device, -1, NULL, THIS_MODULE, 0,
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&oxfw->card);
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if (err < 0)
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return;
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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 = detect_quirks(oxfw);
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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 = 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_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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err = snd_card_register(oxfw->card);
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if (err < 0)
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goto error;
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/*
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* After registered, oxfw instance can be released corresponding to
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* releasing the sound card instance.
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*/
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oxfw->card->private_free = oxfw_card_free;
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oxfw->card->private_data = oxfw;
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oxfw->registered = true;
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return;
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error:
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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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snd_card_free(oxfw->card);
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dev_info(&oxfw->unit->device,
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"Sound card registration failed: %d\n", err);
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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 *entry)
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{
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struct snd_oxfw *oxfw;
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if (entry->vendor_id == VENDOR_LOUD && !detect_loud_models(unit))
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return -ENODEV;
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/* Allocate this independent of sound card instance. */
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oxfw = kzalloc(sizeof(struct snd_oxfw), GFP_KERNEL);
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if (oxfw == NULL)
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return -ENOMEM;
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oxfw->entry = entry;
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oxfw->unit = fw_unit_get(unit);
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dev_set_drvdata(&unit->device, oxfw);
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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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/* Allocate and register this sound card later. */
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INIT_DEFERRABLE_WORK(&oxfw->dwork, do_registration);
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snd_fw_schedule_registration(unit, &oxfw->dwork);
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return 0;
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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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if (!oxfw->registered)
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snd_fw_schedule_registration(unit, &oxfw->dwork);
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fcp_bus_reset(oxfw->unit);
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if (oxfw->registered) {
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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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if (oxfw->entry->vendor_id == OUI_STANTON)
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snd_oxfw_scs1x_update(oxfw);
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}
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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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/*
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* Confirm to stop the work for registration before the sound card is
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* going to be released. The work is not scheduled again because bus
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* reset handler is not called anymore.
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*/
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cancel_delayed_work_sync(&oxfw->dwork);
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if (oxfw->registered) {
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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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} else {
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/* Don't forget this case. */
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oxfw_free(oxfw);
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}
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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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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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/* TASCAM, FireOne */
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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_TASCAM,
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.model_id = 0x800007,
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},
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/* Stanton, Stanton Controllers & Systems 1 Mixer (SCS.1m) */
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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 = OUI_STANTON,
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.model_id = 0x001000,
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},
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/* Stanton, Stanton Controllers & Systems 1 Deck (SCS.1d) */
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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 = OUI_STANTON,
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.model_id = 0x002000,
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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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