2 * digi00x-proc.c - a part of driver for Digidesign Digi 002/003 family
4 * Copyright (c) 2014-2015 Takashi Sakamoto
6 * Licensed under the terms of the GNU General Public License, version 2.
11 static int get_optical_iface_mode(struct snd_dg00x *dg00x,
12 enum snd_dg00x_optical_mode *mode)
17 err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,
18 DG00X_ADDR_BASE + DG00X_OFFSET_OPT_IFACE_MODE,
19 &data, sizeof(data), 0);
21 *mode = be32_to_cpu(data) & 0x01;
26 static void proc_read_clock(struct snd_info_entry *entry,
27 struct snd_info_buffer *buf)
29 static const char *const source_name[] = {
30 [SND_DG00X_CLOCK_INTERNAL] = "internal",
31 [SND_DG00X_CLOCK_SPDIF] = "s/pdif",
32 [SND_DG00X_CLOCK_ADAT] = "adat",
33 [SND_DG00X_CLOCK_WORD] = "word clock",
35 static const char *const optical_name[] = {
36 [SND_DG00X_OPT_IFACE_MODE_ADAT] = "adat",
37 [SND_DG00X_OPT_IFACE_MODE_SPDIF] = "s/pdif",
39 struct snd_dg00x *dg00x = entry->private_data;
40 enum snd_dg00x_optical_mode mode;
42 enum snd_dg00x_clock clock;
45 if (get_optical_iface_mode(dg00x, &mode) < 0)
47 if (snd_dg00x_stream_get_local_rate(dg00x, &rate) < 0)
49 if (snd_dg00x_stream_get_clock(dg00x, &clock) < 0)
52 snd_iprintf(buf, "Optical mode: %s\n", optical_name[mode]);
53 snd_iprintf(buf, "Sampling Rate: %d\n", rate);
54 snd_iprintf(buf, "Clock Source: %s\n", source_name[clock]);
56 if (clock == SND_DG00X_CLOCK_INTERNAL)
59 if (snd_dg00x_stream_check_external_clock(dg00x, &detect) < 0)
61 snd_iprintf(buf, "External source: %s\n", detect ? "detected" : "not");
65 if (snd_dg00x_stream_get_external_rate(dg00x, &rate) >= 0)
66 snd_iprintf(buf, "External sampling rate: %d\n", rate);
69 void snd_dg00x_proc_init(struct snd_dg00x *dg00x)
71 struct snd_info_entry *root, *entry;
74 * All nodes are automatically removed at snd_card_disconnect(),
75 * by following to link list.
77 root = snd_info_create_card_entry(dg00x->card, "firewire",
78 dg00x->card->proc_root);
82 root->mode = S_IFDIR | S_IRUGO | S_IXUGO;
83 if (snd_info_register(root) < 0) {
84 snd_info_free_entry(root);
88 entry = snd_info_create_card_entry(dg00x->card, "clock", root);
90 snd_info_free_entry(root);
94 snd_info_set_text_ops(entry, dg00x, proc_read_clock);
95 if (snd_info_register(entry) < 0) {
96 snd_info_free_entry(entry);
97 snd_info_free_entry(root);