317 lines
9.4 KiB
C
317 lines
9.4 KiB
C
/*
|
|
* dice_proc.c - a part of driver for Dice based devices
|
|
*
|
|
* Copyright (c) Clemens Ladisch
|
|
* Copyright (c) 2014 Takashi Sakamoto
|
|
*
|
|
* Licensed under the terms of the GNU General Public License, version 2.
|
|
*/
|
|
|
|
#include "dice.h"
|
|
|
|
static int dice_proc_read_mem(struct snd_dice *dice, void *buffer,
|
|
unsigned int offset_q, unsigned int quadlets)
|
|
{
|
|
unsigned int i;
|
|
int err;
|
|
|
|
err = snd_fw_transaction(dice->unit, TCODE_READ_BLOCK_REQUEST,
|
|
DICE_PRIVATE_SPACE + 4 * offset_q,
|
|
buffer, 4 * quadlets, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
for (i = 0; i < quadlets; ++i)
|
|
be32_to_cpus(&((u32 *)buffer)[i]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char *str_from_array(const char *const strs[], unsigned int count,
|
|
unsigned int i)
|
|
{
|
|
if (i < count)
|
|
return strs[i];
|
|
|
|
return "(unknown)";
|
|
}
|
|
|
|
static void dice_proc_fixup_string(char *s, unsigned int size)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < size; i += 4)
|
|
cpu_to_le32s((u32 *)(s + i));
|
|
|
|
for (i = 0; i < size - 2; ++i) {
|
|
if (s[i] == '\0')
|
|
return;
|
|
if (s[i] == '\\' && s[i + 1] == '\\') {
|
|
s[i + 2] = '\0';
|
|
return;
|
|
}
|
|
}
|
|
s[size - 1] = '\0';
|
|
}
|
|
|
|
static void dice_proc_read(struct snd_info_entry *entry,
|
|
struct snd_info_buffer *buffer)
|
|
{
|
|
static const char *const section_names[5] = {
|
|
"global", "tx", "rx", "ext_sync", "unused2"
|
|
};
|
|
static const char *const clock_sources[] = {
|
|
"aes1", "aes2", "aes3", "aes4", "aes", "adat", "tdif",
|
|
"wc", "arx1", "arx2", "arx3", "arx4", "internal"
|
|
};
|
|
static const char *const rates[] = {
|
|
"32000", "44100", "48000", "88200", "96000", "176400", "192000",
|
|
"any low", "any mid", "any high", "none"
|
|
};
|
|
struct snd_dice *dice = entry->private_data;
|
|
u32 sections[ARRAY_SIZE(section_names) * 2];
|
|
struct {
|
|
u32 number;
|
|
u32 size;
|
|
} tx_rx_header;
|
|
union {
|
|
struct {
|
|
u32 owner_hi, owner_lo;
|
|
u32 notification;
|
|
char nick_name[NICK_NAME_SIZE];
|
|
u32 clock_select;
|
|
u32 enable;
|
|
u32 status;
|
|
u32 extended_status;
|
|
u32 sample_rate;
|
|
u32 version;
|
|
u32 clock_caps;
|
|
char clock_source_names[CLOCK_SOURCE_NAMES_SIZE];
|
|
} global;
|
|
struct {
|
|
u32 iso;
|
|
u32 number_audio;
|
|
u32 number_midi;
|
|
u32 speed;
|
|
char names[TX_NAMES_SIZE];
|
|
u32 ac3_caps;
|
|
u32 ac3_enable;
|
|
} tx;
|
|
struct {
|
|
u32 iso;
|
|
u32 seq_start;
|
|
u32 number_audio;
|
|
u32 number_midi;
|
|
char names[RX_NAMES_SIZE];
|
|
u32 ac3_caps;
|
|
u32 ac3_enable;
|
|
} rx;
|
|
struct {
|
|
u32 clock_source;
|
|
u32 locked;
|
|
u32 rate;
|
|
u32 adat_user_data;
|
|
} ext_sync;
|
|
} buf;
|
|
unsigned int quadlets, stream, i;
|
|
|
|
if (dice_proc_read_mem(dice, sections, 0, ARRAY_SIZE(sections)) < 0)
|
|
return;
|
|
snd_iprintf(buffer, "sections:\n");
|
|
for (i = 0; i < ARRAY_SIZE(section_names); ++i)
|
|
snd_iprintf(buffer, " %s: offset %u, size %u\n",
|
|
section_names[i],
|
|
sections[i * 2], sections[i * 2 + 1]);
|
|
|
|
quadlets = min_t(u32, sections[1], sizeof(buf.global) / 4);
|
|
if (dice_proc_read_mem(dice, &buf.global, sections[0], quadlets) < 0)
|
|
return;
|
|
snd_iprintf(buffer, "global:\n");
|
|
snd_iprintf(buffer, " owner: %04x:%04x%08x\n",
|
|
buf.global.owner_hi >> 16,
|
|
buf.global.owner_hi & 0xffff, buf.global.owner_lo);
|
|
snd_iprintf(buffer, " notification: %08x\n", buf.global.notification);
|
|
dice_proc_fixup_string(buf.global.nick_name, NICK_NAME_SIZE);
|
|
snd_iprintf(buffer, " nick name: %s\n", buf.global.nick_name);
|
|
snd_iprintf(buffer, " clock select: %s %s\n",
|
|
str_from_array(clock_sources, ARRAY_SIZE(clock_sources),
|
|
buf.global.clock_select & CLOCK_SOURCE_MASK),
|
|
str_from_array(rates, ARRAY_SIZE(rates),
|
|
(buf.global.clock_select & CLOCK_RATE_MASK)
|
|
>> CLOCK_RATE_SHIFT));
|
|
snd_iprintf(buffer, " enable: %u\n", buf.global.enable);
|
|
snd_iprintf(buffer, " status: %slocked %s\n",
|
|
buf.global.status & STATUS_SOURCE_LOCKED ? "" : "un",
|
|
str_from_array(rates, ARRAY_SIZE(rates),
|
|
(buf.global.status &
|
|
STATUS_NOMINAL_RATE_MASK)
|
|
>> CLOCK_RATE_SHIFT));
|
|
snd_iprintf(buffer, " ext status: %08x\n", buf.global.extended_status);
|
|
snd_iprintf(buffer, " sample rate: %u\n", buf.global.sample_rate);
|
|
if (quadlets >= 90) {
|
|
snd_iprintf(buffer, " version: %u.%u.%u.%u\n",
|
|
(buf.global.version >> 24) & 0xff,
|
|
(buf.global.version >> 16) & 0xff,
|
|
(buf.global.version >> 8) & 0xff,
|
|
(buf.global.version >> 0) & 0xff);
|
|
snd_iprintf(buffer, " clock caps:");
|
|
for (i = 0; i <= 6; ++i)
|
|
if (buf.global.clock_caps & (1 << i))
|
|
snd_iprintf(buffer, " %s", rates[i]);
|
|
for (i = 0; i <= 12; ++i)
|
|
if (buf.global.clock_caps & (1 << (16 + i)))
|
|
snd_iprintf(buffer, " %s", clock_sources[i]);
|
|
snd_iprintf(buffer, "\n");
|
|
dice_proc_fixup_string(buf.global.clock_source_names,
|
|
CLOCK_SOURCE_NAMES_SIZE);
|
|
snd_iprintf(buffer, " clock source names: %s\n",
|
|
buf.global.clock_source_names);
|
|
}
|
|
|
|
if (dice_proc_read_mem(dice, &tx_rx_header, sections[2], 2) < 0)
|
|
return;
|
|
quadlets = min_t(u32, tx_rx_header.size, sizeof(buf.tx) / 4);
|
|
for (stream = 0; stream < tx_rx_header.number; ++stream) {
|
|
if (dice_proc_read_mem(dice, &buf.tx, sections[2] + 2 +
|
|
stream * tx_rx_header.size,
|
|
quadlets) < 0)
|
|
break;
|
|
snd_iprintf(buffer, "tx %u:\n", stream);
|
|
snd_iprintf(buffer, " iso channel: %d\n", (int)buf.tx.iso);
|
|
snd_iprintf(buffer, " audio channels: %u\n",
|
|
buf.tx.number_audio);
|
|
snd_iprintf(buffer, " midi ports: %u\n", buf.tx.number_midi);
|
|
snd_iprintf(buffer, " speed: S%u\n", 100u << buf.tx.speed);
|
|
if (quadlets >= 68) {
|
|
dice_proc_fixup_string(buf.tx.names, TX_NAMES_SIZE);
|
|
snd_iprintf(buffer, " names: %s\n", buf.tx.names);
|
|
}
|
|
if (quadlets >= 70) {
|
|
snd_iprintf(buffer, " ac3 caps: %08x\n",
|
|
buf.tx.ac3_caps);
|
|
snd_iprintf(buffer, " ac3 enable: %08x\n",
|
|
buf.tx.ac3_enable);
|
|
}
|
|
}
|
|
|
|
if (dice_proc_read_mem(dice, &tx_rx_header, sections[4], 2) < 0)
|
|
return;
|
|
quadlets = min_t(u32, tx_rx_header.size, sizeof(buf.rx) / 4);
|
|
for (stream = 0; stream < tx_rx_header.number; ++stream) {
|
|
if (dice_proc_read_mem(dice, &buf.rx, sections[4] + 2 +
|
|
stream * tx_rx_header.size,
|
|
quadlets) < 0)
|
|
break;
|
|
snd_iprintf(buffer, "rx %u:\n", stream);
|
|
snd_iprintf(buffer, " iso channel: %d\n", (int)buf.rx.iso);
|
|
snd_iprintf(buffer, " sequence start: %u\n", buf.rx.seq_start);
|
|
snd_iprintf(buffer, " audio channels: %u\n",
|
|
buf.rx.number_audio);
|
|
snd_iprintf(buffer, " midi ports: %u\n", buf.rx.number_midi);
|
|
if (quadlets >= 68) {
|
|
dice_proc_fixup_string(buf.rx.names, RX_NAMES_SIZE);
|
|
snd_iprintf(buffer, " names: %s\n", buf.rx.names);
|
|
}
|
|
if (quadlets >= 70) {
|
|
snd_iprintf(buffer, " ac3 caps: %08x\n",
|
|
buf.rx.ac3_caps);
|
|
snd_iprintf(buffer, " ac3 enable: %08x\n",
|
|
buf.rx.ac3_enable);
|
|
}
|
|
}
|
|
|
|
quadlets = min_t(u32, sections[7], sizeof(buf.ext_sync) / 4);
|
|
if (quadlets >= 4) {
|
|
if (dice_proc_read_mem(dice, &buf.ext_sync,
|
|
sections[6], 4) < 0)
|
|
return;
|
|
snd_iprintf(buffer, "ext status:\n");
|
|
snd_iprintf(buffer, " clock source: %s\n",
|
|
str_from_array(clock_sources,
|
|
ARRAY_SIZE(clock_sources),
|
|
buf.ext_sync.clock_source));
|
|
snd_iprintf(buffer, " locked: %u\n", buf.ext_sync.locked);
|
|
snd_iprintf(buffer, " rate: %s\n",
|
|
str_from_array(rates, ARRAY_SIZE(rates),
|
|
buf.ext_sync.rate));
|
|
snd_iprintf(buffer, " adat user data: ");
|
|
if (buf.ext_sync.adat_user_data & ADAT_USER_DATA_NO_DATA)
|
|
snd_iprintf(buffer, "-\n");
|
|
else
|
|
snd_iprintf(buffer, "%x\n",
|
|
buf.ext_sync.adat_user_data);
|
|
}
|
|
}
|
|
|
|
static void dice_proc_read_formation(struct snd_info_entry *entry,
|
|
struct snd_info_buffer *buffer)
|
|
{
|
|
static const char *const rate_labels[] = {
|
|
[SND_DICE_RATE_MODE_LOW] = "low",
|
|
[SND_DICE_RATE_MODE_MIDDLE] = "middle",
|
|
[SND_DICE_RATE_MODE_HIGH] = "high",
|
|
};
|
|
struct snd_dice *dice = entry->private_data;
|
|
int i, j;
|
|
|
|
snd_iprintf(buffer, "Output stream from unit:\n");
|
|
for (i = 0; i < SND_DICE_RATE_MODE_COUNT; ++i)
|
|
snd_iprintf(buffer, "\t%s", rate_labels[i]);
|
|
snd_iprintf(buffer, "\tMIDI\n");
|
|
for (i = 0; i < MAX_STREAMS; ++i) {
|
|
snd_iprintf(buffer, "Tx %u:", i);
|
|
for (j = 0; j < SND_DICE_RATE_MODE_COUNT; ++j)
|
|
snd_iprintf(buffer, "\t%u", dice->tx_pcm_chs[i][j]);
|
|
snd_iprintf(buffer, "\t%u\n", dice->tx_midi_ports[i]);
|
|
}
|
|
|
|
snd_iprintf(buffer, "Input stream to unit:\n");
|
|
for (i = 0; i < SND_DICE_RATE_MODE_COUNT; ++i)
|
|
snd_iprintf(buffer, "\t%s", rate_labels[i]);
|
|
snd_iprintf(buffer, "\n");
|
|
for (i = 0; i < MAX_STREAMS; ++i) {
|
|
snd_iprintf(buffer, "Rx %u:", i);
|
|
for (j = 0; j < SND_DICE_RATE_MODE_COUNT; ++j)
|
|
snd_iprintf(buffer, "\t%u", dice->rx_pcm_chs[i][j]);
|
|
snd_iprintf(buffer, "\t%u\n", dice->rx_midi_ports[i]);
|
|
}
|
|
}
|
|
|
|
static void add_node(struct snd_dice *dice, struct snd_info_entry *root,
|
|
const char *name,
|
|
void (*op)(struct snd_info_entry *entry,
|
|
struct snd_info_buffer *buffer))
|
|
{
|
|
struct snd_info_entry *entry;
|
|
|
|
entry = snd_info_create_card_entry(dice->card, name, root);
|
|
if (!entry)
|
|
return;
|
|
|
|
snd_info_set_text_ops(entry, dice, op);
|
|
if (snd_info_register(entry) < 0)
|
|
snd_info_free_entry(entry);
|
|
}
|
|
|
|
void snd_dice_create_proc(struct snd_dice *dice)
|
|
{
|
|
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(dice->card, "firewire",
|
|
dice->card->proc_root);
|
|
if (!root)
|
|
return;
|
|
root->mode = S_IFDIR | 0555;
|
|
if (snd_info_register(root) < 0) {
|
|
snd_info_free_entry(root);
|
|
return;
|
|
}
|
|
|
|
add_node(dice, root, "dice", dice_proc_read);
|
|
add_node(dice, root, "formation", dice_proc_read_formation);
|
|
}
|