// SPDX-License-Identifier: GPL-2.0-only
/*
 * ff-proc.c - a part of driver for RME Fireface series
 *
 * Copyright (c) 2015-2017 Takashi Sakamoto
 */

#include "./ff.h"

const char *snd_ff_proc_get_clk_label(enum snd_ff_clock_src src)
{
        static const char *const labels[] = {
                "Internal",
                "S/PDIF",
                "ADAT1",
                "ADAT2",
                "Word",
                "LTC",
        };

        if (src >= ARRAY_SIZE(labels))
                return NULL;

        return labels[src];
}

static void proc_dump_status(struct snd_info_entry *entry,
                             struct snd_info_buffer *buffer)
{
        struct snd_ff *ff = entry->private_data;

        ff->spec->protocol->dump_status(ff, buffer);
}

static void add_node(struct snd_ff *ff, struct snd_info_entry *root,
                     const char *name,
                     void (*op)(struct snd_info_entry *e,
                                struct snd_info_buffer *b))
{
        struct snd_info_entry *entry;

        entry = snd_info_create_card_entry(ff->card, name, root);
        if (entry)
                snd_info_set_text_ops(entry, ff, op);
}

void snd_ff_proc_init(struct snd_ff *ff)
{
        struct snd_info_entry *root;

        /*
         * All nodes are automatically removed at snd_card_disconnect(),
         * by following to link list.
         */
        root = snd_info_create_card_entry(ff->card, "firewire",
                                          ff->card->proc_root);
        if (root == NULL)
                return;
        root->mode = S_IFDIR | 0555;

        add_node(ff, root, "status", proc_dump_status);
}