100 строки
2.5 KiB
C
100 строки
2.5 KiB
C
/*
|
|
* digi00x-proc.c - a part of driver for Digidesign Digi 002/003 family
|
|
*
|
|
* Copyright (c) 2014-2015 Takashi Sakamoto
|
|
*
|
|
* Licensed under the terms of the GNU General Public License, version 2.
|
|
*/
|
|
|
|
#include "digi00x.h"
|
|
|
|
static int get_optical_iface_mode(struct snd_dg00x *dg00x,
|
|
enum snd_dg00x_optical_mode *mode)
|
|
{
|
|
__be32 data;
|
|
int err;
|
|
|
|
err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,
|
|
DG00X_ADDR_BASE + DG00X_OFFSET_OPT_IFACE_MODE,
|
|
&data, sizeof(data), 0);
|
|
if (err >= 0)
|
|
*mode = be32_to_cpu(data) & 0x01;
|
|
|
|
return err;
|
|
}
|
|
|
|
static void proc_read_clock(struct snd_info_entry *entry,
|
|
struct snd_info_buffer *buf)
|
|
{
|
|
static const char *const source_name[] = {
|
|
[SND_DG00X_CLOCK_INTERNAL] = "internal",
|
|
[SND_DG00X_CLOCK_SPDIF] = "s/pdif",
|
|
[SND_DG00X_CLOCK_ADAT] = "adat",
|
|
[SND_DG00X_CLOCK_WORD] = "word clock",
|
|
};
|
|
static const char *const optical_name[] = {
|
|
[SND_DG00X_OPT_IFACE_MODE_ADAT] = "adat",
|
|
[SND_DG00X_OPT_IFACE_MODE_SPDIF] = "s/pdif",
|
|
};
|
|
struct snd_dg00x *dg00x = entry->private_data;
|
|
enum snd_dg00x_optical_mode mode;
|
|
unsigned int rate;
|
|
enum snd_dg00x_clock clock;
|
|
bool detect;
|
|
|
|
if (get_optical_iface_mode(dg00x, &mode) < 0)
|
|
return;
|
|
if (snd_dg00x_stream_get_local_rate(dg00x, &rate) < 0)
|
|
return;
|
|
if (snd_dg00x_stream_get_clock(dg00x, &clock) < 0)
|
|
return;
|
|
|
|
snd_iprintf(buf, "Optical mode: %s\n", optical_name[mode]);
|
|
snd_iprintf(buf, "Sampling Rate: %d\n", rate);
|
|
snd_iprintf(buf, "Clock Source: %s\n", source_name[clock]);
|
|
|
|
if (clock == SND_DG00X_CLOCK_INTERNAL)
|
|
return;
|
|
|
|
if (snd_dg00x_stream_check_external_clock(dg00x, &detect) < 0)
|
|
return;
|
|
snd_iprintf(buf, "External source: %s\n", detect ? "detected" : "not");
|
|
if (!detect)
|
|
return;
|
|
|
|
if (snd_dg00x_stream_get_external_rate(dg00x, &rate) >= 0)
|
|
snd_iprintf(buf, "External sampling rate: %d\n", rate);
|
|
}
|
|
|
|
void snd_dg00x_proc_init(struct snd_dg00x *dg00x)
|
|
{
|
|
struct snd_info_entry *root, *entry;
|
|
|
|
/*
|
|
* All nodes are automatically removed at snd_card_disconnect(),
|
|
* by following to link list.
|
|
*/
|
|
root = snd_info_create_card_entry(dg00x->card, "firewire",
|
|
dg00x->card->proc_root);
|
|
if (root == NULL)
|
|
return;
|
|
|
|
root->mode = S_IFDIR | S_IRUGO | S_IXUGO;
|
|
if (snd_info_register(root) < 0) {
|
|
snd_info_free_entry(root);
|
|
return;
|
|
}
|
|
|
|
entry = snd_info_create_card_entry(dg00x->card, "clock", root);
|
|
if (entry == NULL) {
|
|
snd_info_free_entry(root);
|
|
return;
|
|
}
|
|
|
|
snd_info_set_text_ops(entry, dg00x, proc_read_clock);
|
|
if (snd_info_register(entry) < 0) {
|
|
snd_info_free_entry(entry);
|
|
snd_info_free_entry(root);
|
|
}
|
|
}
|