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109 lines
3.2 KiB
109 lines
3.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* motu-proc.c - a part of driver for MOTU FireWire series |
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* |
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* Copyright (c) 2015-2017 Takashi Sakamoto <[email protected]> |
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*/ |
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#include "./motu.h" |
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static const char *const clock_names[] = { |
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[SND_MOTU_CLOCK_SOURCE_INTERNAL] = "Internal", |
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[SND_MOTU_CLOCK_SOURCE_ADAT_ON_DSUB] = "ADAT on Dsub-9pin interface", |
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[SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT] = "ADAT on optical interface", |
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[SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_A] = "ADAT on optical interface A", |
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[SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_B] = "ADAT on optical interface B", |
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[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT] = "S/PDIF on optical interface", |
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[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_A] = "S/PDIF on optical interface A", |
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[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_B] = "S/PDIF on optical interface B", |
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[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX] = "S/PDIF on coaxial interface", |
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[SND_MOTU_CLOCK_SOURCE_AESEBU_ON_XLR] = "AESEBU on XLR interface", |
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[SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC] = "Word clock on BNC interface", |
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[SND_MOTU_CLOCK_SOURCE_SPH] = "Source packet header", |
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[SND_MOTU_CLOCK_SOURCE_UNKNOWN] = "Unknown", |
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}; |
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static void proc_read_clock(struct snd_info_entry *entry, |
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struct snd_info_buffer *buffer) |
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{ |
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struct snd_motu *motu = entry->private_data; |
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unsigned int rate; |
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enum snd_motu_clock_source source; |
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if (snd_motu_protocol_get_clock_rate(motu, &rate) < 0) |
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return; |
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if (snd_motu_protocol_get_clock_source(motu, &source) < 0) |
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return; |
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snd_iprintf(buffer, "Rate:\t%d\n", rate); |
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snd_iprintf(buffer, "Source:\t%s\n", clock_names[source]); |
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} |
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static void proc_read_format(struct snd_info_entry *entry, |
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struct snd_info_buffer *buffer) |
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{ |
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struct snd_motu *motu = entry->private_data; |
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unsigned int mode; |
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struct snd_motu_packet_format *formats; |
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int i; |
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if (snd_motu_protocol_cache_packet_formats(motu) < 0) |
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return; |
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snd_iprintf(buffer, "tx:\tmsg\tfixed\ttotal\n"); |
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for (i = 0; i < SND_MOTU_CLOCK_RATE_COUNT; ++i) { |
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mode = i >> 1; |
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formats = &motu->tx_packet_formats; |
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snd_iprintf(buffer, |
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"%u:\t%u\t%u\t%u\n", |
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snd_motu_clock_rates[i], |
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formats->msg_chunks, |
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motu->spec->tx_fixed_pcm_chunks[mode], |
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formats->pcm_chunks[mode]); |
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} |
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snd_iprintf(buffer, "rx:\tmsg\tfixed\ttotal\n"); |
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for (i = 0; i < SND_MOTU_CLOCK_RATE_COUNT; ++i) { |
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mode = i >> 1; |
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formats = &motu->rx_packet_formats; |
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snd_iprintf(buffer, |
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"%u:\t%u\t%u\t%u\n", |
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snd_motu_clock_rates[i], |
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formats->msg_chunks, |
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motu->spec->rx_fixed_pcm_chunks[mode], |
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formats->pcm_chunks[mode]); |
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} |
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} |
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static void add_node(struct snd_motu *motu, struct snd_info_entry *root, |
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const char *name, |
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void (*op)(struct snd_info_entry *e, |
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struct snd_info_buffer *b)) |
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{ |
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struct snd_info_entry *entry; |
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entry = snd_info_create_card_entry(motu->card, name, root); |
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if (entry) |
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snd_info_set_text_ops(entry, motu, op); |
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} |
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void snd_motu_proc_init(struct snd_motu *motu) |
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{ |
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struct snd_info_entry *root; |
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/* |
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* All nodes are automatically removed at snd_card_disconnect(), |
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* by following to link list. |
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*/ |
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root = snd_info_create_card_entry(motu->card, "firewire", |
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motu->card->proc_root); |
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if (root == NULL) |
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return; |
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root->mode = S_IFDIR | 0555; |
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add_node(motu, root, "clock", proc_read_clock); |
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add_node(motu, root, "format", proc_read_format); |
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}
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