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86 lines
2.3 KiB
86 lines
2.3 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* digi00x-proc.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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static int get_optical_iface_mode(struct snd_dg00x *dg00x, |
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enum snd_dg00x_optical_mode *mode) |
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{ |
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__be32 data; |
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int err; |
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err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST, |
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DG00X_ADDR_BASE + DG00X_OFFSET_OPT_IFACE_MODE, |
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&data, sizeof(data), 0); |
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if (err >= 0) |
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*mode = be32_to_cpu(data) & 0x01; |
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return err; |
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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 *buf) |
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{ |
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static const char *const source_name[] = { |
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[SND_DG00X_CLOCK_INTERNAL] = "internal", |
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[SND_DG00X_CLOCK_SPDIF] = "s/pdif", |
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[SND_DG00X_CLOCK_ADAT] = "adat", |
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[SND_DG00X_CLOCK_WORD] = "word clock", |
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}; |
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static const char *const optical_name[] = { |
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[SND_DG00X_OPT_IFACE_MODE_ADAT] = "adat", |
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[SND_DG00X_OPT_IFACE_MODE_SPDIF] = "s/pdif", |
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}; |
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struct snd_dg00x *dg00x = entry->private_data; |
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enum snd_dg00x_optical_mode mode; |
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unsigned int rate; |
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enum snd_dg00x_clock clock; |
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bool detect; |
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if (get_optical_iface_mode(dg00x, &mode) < 0) |
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return; |
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if (snd_dg00x_stream_get_local_rate(dg00x, &rate) < 0) |
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return; |
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if (snd_dg00x_stream_get_clock(dg00x, &clock) < 0) |
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return; |
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snd_iprintf(buf, "Optical mode: %s\n", optical_name[mode]); |
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snd_iprintf(buf, "Sampling Rate: %d\n", rate); |
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snd_iprintf(buf, "Clock Source: %s\n", source_name[clock]); |
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if (clock == SND_DG00X_CLOCK_INTERNAL) |
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return; |
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if (snd_dg00x_stream_check_external_clock(dg00x, &detect) < 0) |
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return; |
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snd_iprintf(buf, "External source: %s\n", detect ? "detected" : "not"); |
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if (!detect) |
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return; |
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if (snd_dg00x_stream_get_external_rate(dg00x, &rate) >= 0) |
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snd_iprintf(buf, "External sampling rate: %d\n", rate); |
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} |
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void snd_dg00x_proc_init(struct snd_dg00x *dg00x) |
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{ |
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struct snd_info_entry *root, *entry; |
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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(dg00x->card, "firewire", |
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dg00x->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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entry = snd_info_create_card_entry(dg00x->card, "clock", root); |
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if (entry) |
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snd_info_set_text_ops(entry, dg00x, proc_read_clock); |
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}
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