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177 lines
4.0 KiB
177 lines
4.0 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* digi00x.c - a part of driver for Digidesign Digi 002/003 family |
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* |
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* Copyright (c) 2014-2015 Takashi Sakamoto |
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*/ |
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#include "digi00x.h" |
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MODULE_DESCRIPTION("Digidesign Digi 002/003 family Driver"); |
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MODULE_AUTHOR("Takashi Sakamoto <[email protected]>"); |
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MODULE_LICENSE("GPL v2"); |
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#define VENDOR_DIGIDESIGN 0x00a07e |
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#define MODEL_CONSOLE 0x000001 |
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#define MODEL_RACK 0x000002 |
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#define SPEC_VERSION 0x000001 |
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static int name_card(struct snd_dg00x *dg00x) |
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{ |
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struct fw_device *fw_dev = fw_parent_device(dg00x->unit); |
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char name[32] = {0}; |
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char *model; |
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int err; |
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err = fw_csr_string(dg00x->unit->directory, CSR_MODEL, name, |
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sizeof(name)); |
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if (err < 0) |
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return err; |
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model = skip_spaces(name); |
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strcpy(dg00x->card->driver, "Digi00x"); |
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strcpy(dg00x->card->shortname, model); |
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strcpy(dg00x->card->mixername, model); |
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snprintf(dg00x->card->longname, sizeof(dg00x->card->longname), |
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"Digidesign %s, GUID %08x%08x at %s, S%d", model, |
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fw_dev->config_rom[3], fw_dev->config_rom[4], |
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dev_name(&dg00x->unit->device), 100 << fw_dev->max_speed); |
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return 0; |
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} |
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static void dg00x_card_free(struct snd_card *card) |
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{ |
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struct snd_dg00x *dg00x = card->private_data; |
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snd_dg00x_stream_destroy_duplex(dg00x); |
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snd_dg00x_transaction_unregister(dg00x); |
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mutex_destroy(&dg00x->mutex); |
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fw_unit_put(dg00x->unit); |
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} |
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static int snd_dg00x_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_dg00x *dg00x; |
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int err; |
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err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, sizeof(*dg00x), &card); |
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if (err < 0) |
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return err; |
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card->private_free = dg00x_card_free; |
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dg00x = card->private_data; |
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dg00x->unit = fw_unit_get(unit); |
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dev_set_drvdata(&unit->device, dg00x); |
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dg00x->card = card; |
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mutex_init(&dg00x->mutex); |
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spin_lock_init(&dg00x->lock); |
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init_waitqueue_head(&dg00x->hwdep_wait); |
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dg00x->is_console = entry->model_id == MODEL_CONSOLE; |
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err = name_card(dg00x); |
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if (err < 0) |
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goto error; |
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err = snd_dg00x_stream_init_duplex(dg00x); |
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if (err < 0) |
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goto error; |
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snd_dg00x_proc_init(dg00x); |
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err = snd_dg00x_create_pcm_devices(dg00x); |
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if (err < 0) |
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goto error; |
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err = snd_dg00x_create_midi_devices(dg00x); |
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if (err < 0) |
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goto error; |
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err = snd_dg00x_create_hwdep_device(dg00x); |
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if (err < 0) |
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goto error; |
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err = snd_dg00x_transaction_register(dg00x); |
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if (err < 0) |
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goto error; |
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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 snd_dg00x_update(struct fw_unit *unit) |
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{ |
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struct snd_dg00x *dg00x = dev_get_drvdata(&unit->device); |
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snd_dg00x_transaction_reregister(dg00x); |
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mutex_lock(&dg00x->mutex); |
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snd_dg00x_stream_update_duplex(dg00x); |
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mutex_unlock(&dg00x->mutex); |
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} |
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static void snd_dg00x_remove(struct fw_unit *unit) |
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{ |
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struct snd_dg00x *dg00x = 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(dg00x->card); |
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} |
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static const struct ieee1394_device_id snd_dg00x_id_table[] = { |
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/* Both of 002/003 use the same ID. */ |
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{ |
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.match_flags = IEEE1394_MATCH_VENDOR_ID | |
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IEEE1394_MATCH_VERSION | |
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IEEE1394_MATCH_MODEL_ID, |
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.vendor_id = VENDOR_DIGIDESIGN, |
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.version = SPEC_VERSION, |
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.model_id = MODEL_CONSOLE, |
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}, |
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{ |
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.match_flags = IEEE1394_MATCH_VENDOR_ID | |
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IEEE1394_MATCH_VERSION | |
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IEEE1394_MATCH_MODEL_ID, |
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.vendor_id = VENDOR_DIGIDESIGN, |
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.version = SPEC_VERSION, |
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.model_id = MODEL_RACK, |
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}, |
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{} |
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}; |
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MODULE_DEVICE_TABLE(ieee1394, snd_dg00x_id_table); |
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static struct fw_driver dg00x_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 = snd_dg00x_probe, |
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.update = snd_dg00x_update, |
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.remove = snd_dg00x_remove, |
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.id_table = snd_dg00x_id_table, |
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}; |
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static int __init snd_dg00x_init(void) |
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{ |
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return driver_register(&dg00x_driver.driver); |
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} |
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static void __exit snd_dg00x_exit(void) |
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{ |
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driver_unregister(&dg00x_driver.driver); |
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} |
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module_init(snd_dg00x_init); |
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module_exit(snd_dg00x_exit);
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