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c31909fa06
This commit adds local framework to message parser. This is preparation for future work to pass event of knob control for Fireface 400 to user space. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20230112120954.500692-6-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai <tiwai@suse.de>
267 lines
6.4 KiB
C
267 lines
6.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* ff.c - a part of driver for RME Fireface series
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*
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* Copyright (c) 2015-2017 Takashi Sakamoto
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*/
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#include "ff.h"
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#define OUI_RME 0x000a35
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MODULE_DESCRIPTION("RME Fireface series Driver");
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MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
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MODULE_LICENSE("GPL v2");
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static void name_card(struct snd_ff *ff)
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{
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struct fw_device *fw_dev = fw_parent_device(ff->unit);
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const char *const names[] = {
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[SND_FF_UNIT_VERSION_FF800] = "Fireface800",
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[SND_FF_UNIT_VERSION_FF400] = "Fireface400",
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[SND_FF_UNIT_VERSION_UFX] = "FirefaceUFX",
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[SND_FF_UNIT_VERSION_UCX] = "FirefaceUCX",
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[SND_FF_UNIT_VERSION_802] = "Fireface802",
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};
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const char *name;
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name = names[ff->unit_version];
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strcpy(ff->card->driver, "Fireface");
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strcpy(ff->card->shortname, name);
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strcpy(ff->card->mixername, name);
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snprintf(ff->card->longname, sizeof(ff->card->longname),
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"RME %s, GUID %08x%08x at %s, S%d", name,
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fw_dev->config_rom[3], fw_dev->config_rom[4],
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dev_name(&ff->unit->device), 100 << fw_dev->max_speed);
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}
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static void ff_card_free(struct snd_card *card)
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{
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struct snd_ff *ff = card->private_data;
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snd_ff_stream_destroy_duplex(ff);
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snd_ff_transaction_unregister(ff);
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kfree(ff->msg_parser);
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mutex_destroy(&ff->mutex);
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fw_unit_put(ff->unit);
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}
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static int snd_ff_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_ff *ff;
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int err;
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err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, sizeof(*ff), &card);
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if (err < 0)
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return err;
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card->private_free = ff_card_free;
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ff = card->private_data;
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ff->unit = fw_unit_get(unit);
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dev_set_drvdata(&unit->device, ff);
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ff->card = card;
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mutex_init(&ff->mutex);
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spin_lock_init(&ff->lock);
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init_waitqueue_head(&ff->hwdep_wait);
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ff->unit_version = entry->version;
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ff->spec = (const struct snd_ff_spec *)entry->driver_data;
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err = snd_ff_transaction_register(ff);
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if (err < 0)
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goto error;
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name_card(ff);
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err = snd_ff_stream_init_duplex(ff);
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if (err < 0)
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goto error;
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snd_ff_proc_init(ff);
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err = snd_ff_create_midi_devices(ff);
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if (err < 0)
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goto error;
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err = snd_ff_create_pcm_devices(ff);
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if (err < 0)
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goto error;
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err = snd_ff_create_hwdep_devices(ff);
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if (err < 0)
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goto error;
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if (ff->spec->protocol->msg_parser_size > 0) {
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ff->msg_parser = kzalloc(ff->spec->protocol->msg_parser_size, GFP_KERNEL);
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if (!ff->msg_parser) {
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err = -ENOMEM;
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goto error;
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}
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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 snd_ff_update(struct fw_unit *unit)
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{
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struct snd_ff *ff = dev_get_drvdata(&unit->device);
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snd_ff_transaction_reregister(ff);
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snd_ff_stream_update_duplex(ff);
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}
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static void snd_ff_remove(struct fw_unit *unit)
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{
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struct snd_ff *ff = 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(ff->card);
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}
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static const struct snd_ff_spec spec_ff800 = {
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.pcm_capture_channels = {28, 20, 12},
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.pcm_playback_channels = {28, 20, 12},
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.midi_in_ports = 1,
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.midi_out_ports = 1,
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.protocol = &snd_ff_protocol_ff800,
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.midi_high_addr = 0x000200000320ull,
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.midi_addr_range = 12,
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.midi_rx_addrs = {0x000080180000ull, 0},
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};
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static const struct snd_ff_spec spec_ff400 = {
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.pcm_capture_channels = {18, 14, 10},
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.pcm_playback_channels = {18, 14, 10},
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.midi_in_ports = 2,
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.midi_out_ports = 2,
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.protocol = &snd_ff_protocol_ff400,
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.midi_high_addr = 0x0000801003f4ull,
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.midi_addr_range = SND_FF_MAXIMIM_MIDI_QUADS * 4,
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.midi_rx_addrs = {0x000080180000ull, 0x000080190000ull},
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};
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static const struct snd_ff_spec spec_ucx = {
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.pcm_capture_channels = {18, 14, 12},
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.pcm_playback_channels = {18, 14, 12},
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.midi_in_ports = 2,
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.midi_out_ports = 2,
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.protocol = &snd_ff_protocol_latter,
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.midi_high_addr = 0xffff00000034ull,
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.midi_addr_range = 0x80,
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.midi_rx_addrs = {0xffff00000030ull, 0xffff00000030ull},
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};
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static const struct snd_ff_spec spec_ufx_802 = {
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.pcm_capture_channels = {30, 22, 14},
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.pcm_playback_channels = {30, 22, 14},
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.midi_in_ports = 1,
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.midi_out_ports = 1,
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.protocol = &snd_ff_protocol_latter,
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.midi_high_addr = 0xffff00000034ull,
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.midi_addr_range = 0x80,
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.midi_rx_addrs = {0xffff00000030ull, 0xffff00000030ull},
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};
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static const struct ieee1394_device_id snd_ff_id_table[] = {
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/* Fireface 800 */
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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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IEEE1394_MATCH_MODEL_ID,
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.vendor_id = OUI_RME,
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.specifier_id = OUI_RME,
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.version = SND_FF_UNIT_VERSION_FF800,
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.model_id = 0x101800,
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.driver_data = (kernel_ulong_t)&spec_ff800,
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},
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/* Fireface 400 */
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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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IEEE1394_MATCH_MODEL_ID,
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.vendor_id = OUI_RME,
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.specifier_id = OUI_RME,
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.version = SND_FF_UNIT_VERSION_FF400,
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.model_id = 0x101800,
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.driver_data = (kernel_ulong_t)&spec_ff400,
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},
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// Fireface UFX.
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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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IEEE1394_MATCH_MODEL_ID,
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.vendor_id = OUI_RME,
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.specifier_id = OUI_RME,
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.version = SND_FF_UNIT_VERSION_UFX,
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.model_id = 0x101800,
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.driver_data = (kernel_ulong_t)&spec_ufx_802,
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},
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// Fireface UCX.
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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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IEEE1394_MATCH_MODEL_ID,
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.vendor_id = OUI_RME,
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.specifier_id = OUI_RME,
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.version = SND_FF_UNIT_VERSION_UCX,
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.model_id = 0x101800,
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.driver_data = (kernel_ulong_t)&spec_ucx,
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},
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// Fireface 802.
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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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IEEE1394_MATCH_MODEL_ID,
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.vendor_id = OUI_RME,
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.specifier_id = OUI_RME,
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.version = SND_FF_UNIT_VERSION_802,
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.model_id = 0x101800,
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.driver_data = (kernel_ulong_t)&spec_ufx_802,
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},
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{}
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};
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MODULE_DEVICE_TABLE(ieee1394, snd_ff_id_table);
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static struct fw_driver ff_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_ff_probe,
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.update = snd_ff_update,
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.remove = snd_ff_remove,
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.id_table = snd_ff_id_table,
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};
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static int __init snd_ff_init(void)
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{
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return driver_register(&ff_driver.driver);
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}
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static void __exit snd_ff_exit(void)
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{
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driver_unregister(&ff_driver.driver);
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}
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module_init(snd_ff_init);
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module_exit(snd_ff_exit);
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