// SPDX-License-Identifier: GPL-2.0-only
/*
* motu - proc . c - a part of driver for MOTU FireWire series
*
* Copyright ( c ) 2015 - 2017 Takashi Sakamoto < o - takashi @ sakamocchi . jp >
*/
#include "./motu.h"
static const char *const clock_names[] = {
[SND_MOTU_CLOCK_SOURCE_INTERNAL] = "Internal" ,
[SND_MOTU_CLOCK_SOURCE_ADAT_ON_DSUB] = "ADAT on Dsub-9pin interface" ,
[SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT] = "ADAT on optical interface" ,
[SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_A] = "ADAT on optical interface A" ,
[SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_B] = "ADAT on optical interface B" ,
[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT] = "S/PDIF on optical interface" ,
[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_A] = "S/PDIF on optical interface A" ,
[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_B] = "S/PDIF on optical interface B" ,
[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX] = "S/PDIF on coaxial interface" ,
[SND_MOTU_CLOCK_SOURCE_AESEBU_ON_XLR] = "AESEBU on XLR interface" ,
[SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC] = "Word clock on BNC interface" ,
[SND_MOTU_CLOCK_SOURCE_SPH] = "Source packet header" ,
[SND_MOTU_CLOCK_SOURCE_UNKNOWN] = "Unknown" ,
};
static void proc_read_clock(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_motu *motu = entry->private_data;
unsigned int rate;
enum snd_motu_clock_source source;
if (snd_motu_protocol_get_clock_rate(motu, &rate) < 0 )
return ;
if (snd_motu_protocol_get_clock_source(motu, &source) < 0 )
return ;
snd_iprintf(buffer, "Rate:\t%d\n" , rate);
snd_iprintf(buffer, "Source:\t%s\n" , clock_names[source]);
}
static void proc_read_format(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_motu *motu = entry->private_data;
unsigned int mode;
struct snd_motu_packet_format *formats;
int i;
if (snd_motu_protocol_cache_packet_formats(motu) < 0 )
return ;
snd_iprintf(buffer, "tx:\tmsg\tfixed\ttotal\n" );
for (i = 0 ; i < SND_MOTU_CLOCK_RATE_COUNT; ++i) {
mode = i >> 1 ;
formats = &motu->tx_packet_formats;
snd_iprintf(buffer,
"%u:\t%u\t%u\t%u\n" ,
snd_motu_clock_rates[i],
formats->msg_chunks,
motu->spec->tx_fixed_pcm_chunks[mode],
formats->pcm_chunks[mode]);
}
snd_iprintf(buffer, "rx:\tmsg\tfixed\ttotal\n" );
for (i = 0 ; i < SND_MOTU_CLOCK_RATE_COUNT; ++i) {
mode = i >> 1 ;
formats = &motu->rx_packet_formats;
snd_iprintf(buffer,
"%u:\t%u\t%u\t%u\n" ,
snd_motu_clock_rates[i],
formats->msg_chunks,
motu->spec->rx_fixed_pcm_chunks[mode],
formats->pcm_chunks[mode]);
}
}
static void add_node(struct snd_motu *motu, 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(motu->card, name, root);
if (entry)
snd_info_set_text_ops(entry, motu, op);
}
void snd_motu_proc_init(struct snd_motu *motu)
{
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(motu->card, "firewire" ,
motu->card->proc_root);
if (root == NULL)
return ;
root->mode = S_IFDIR | 0555 ;
add_node(motu, root, "clock" , proc_read_clock);
add_node(motu, root, "format" , proc_read_format);
}
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