1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * ff-proc.c - a part of driver for RME Fireface series
4 *
5 * Copyright (c) 2015-2017 Takashi Sakamoto
6 */
7
8#include "./ff.h"
9
10const char *snd_ff_proc_get_clk_label(enum snd_ff_clock_src src)
11{
12	static const char *const labels[] = {
13		"Internal",
14		"S/PDIF",
15		"ADAT1",
16		"ADAT2",
17		"Word",
18		"LTC",
19	};
20
21	if (src >= ARRAY_SIZE(labels))
22		return NULL;
23
24	return labels[src];
25}
26
27static void proc_dump_status(struct snd_info_entry *entry,
28			     struct snd_info_buffer *buffer)
29{
30	struct snd_ff *ff = entry->private_data;
31
32	ff->spec->protocol->dump_status(ff, buffer);
33}
34
35static void add_node(struct snd_ff *ff, struct snd_info_entry *root,
36		     const char *name,
37		     void (*op)(struct snd_info_entry *e,
38				struct snd_info_buffer *b))
39{
40	struct snd_info_entry *entry;
41
42	entry = snd_info_create_card_entry(ff->card, name, root);
43	if (entry)
44		snd_info_set_text_ops(entry, ff, op);
45}
46
47void snd_ff_proc_init(struct snd_ff *ff)
48{
49	struct snd_info_entry *root;
50
51	/*
52	 * All nodes are automatically removed at snd_card_disconnect(),
53	 * by following to link list.
54	 */
55	root = snd_info_create_card_entry(ff->card, "firewire",
56					  ff->card->proc_root);
57	if (root == NULL)
58		return;
59	root->mode = S_IFDIR | 0555;
60
61	add_node(ff, root, "status", proc_dump_status);
62}
63