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/*
* bebob_proc.c - a part of driver for BeBoB based devices
*
* Copyright (c) 2013-2014 Takashi Sakamoto
*
* Licensed under the terms of the GNU General Public License, version 2.
*/
#include "./bebob.h"
/* contents of information register */
struct hw_info {
u64 manufacturer;
u32 protocol_ver;
u32 bld_ver;
u32 guid[2];
u32 model_id;
u32 model_rev;
u64 fw_date;
u64 fw_time;
u32 fw_id;
u32 fw_ver;
u32 base_addr;
u32 max_size;
u64 bld_date;
u64 bld_time;
/* may not used in product
u64 dbg_date;
u64 dbg_time;
u32 dbg_id;
u32 dbg_version;
*/
} __packed;
static void
proc_read_hw_info(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_bebob *bebob = entry->private_data;
struct hw_info *info;
info = kzalloc(sizeof(struct hw_info), GFP_KERNEL);
if (info == NULL)
return;
if (snd_bebob_read_block(bebob->unit, 0,
info, sizeof(struct hw_info)) < 0)
goto end;
snd_iprintf(buffer, "Manufacturer:\t%.8s\n",
(char *)&info->manufacturer);
snd_iprintf(buffer, "Protocol Ver:\t%d\n", info->protocol_ver);
snd_iprintf(buffer, "Build Ver:\t%d\n", info->bld_ver);
snd_iprintf(buffer, "GUID:\t\t0x%.8X%.8X\n",
info->guid[0], info->guid[1]);
snd_iprintf(buffer, "Model ID:\t0x%02X\n", info->model_id);
snd_iprintf(buffer, "Model Rev:\t%d\n", info->model_rev);
snd_iprintf(buffer, "Firmware Date:\t%.8s\n", (char *)&info->fw_date);
snd_iprintf(buffer, "Firmware Time:\t%.8s\n", (char *)&info->fw_time);
snd_iprintf(buffer, "Firmware ID:\t0x%X\n", info->fw_id);
snd_iprintf(buffer, "Firmware Ver:\t%d\n", info->fw_ver);
snd_iprintf(buffer, "Base Addr:\t0x%X\n", info->base_addr);
snd_iprintf(buffer, "Max Size:\t%d\n", info->max_size);
snd_iprintf(buffer, "Loader Date:\t%.8s\n", (char *)&info->bld_date);
snd_iprintf(buffer, "Loader Time:\t%.8s\n", (char *)&info->bld_time);
end:
kfree(info);
}
static void
proc_read_meters(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_bebob *bebob = entry->private_data;
struct snd_bebob_meter_spec *spec = bebob->spec->meter;
u32 *buf;
unsigned int i, c, channels, size;
if (spec == NULL)
return;
channels = spec->num * 2;
size = channels * sizeof(u32);
buf = kmalloc(size, GFP_KERNEL);
if (buf == NULL)
return;
if (spec->get(bebob, buf, size) < 0)
goto end;
for (i = 0, c = 1; i < channels; i++) {
snd_iprintf(buffer, "%s %d:\t%d\n",
spec->labels[i / 2], c++, buf[i]);
if ((i + 1 < channels - 1) &&
(strcmp(spec->labels[i / 2],
spec->labels[(i + 1) / 2]) != 0))
c = 1;
}
end:
kfree(buf);
}
static void
proc_read_formation(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_bebob *bebob = entry->private_data;
struct snd_bebob_stream_formation *formation;
unsigned int i;
snd_iprintf(buffer, "Output Stream from device:\n");
snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n");
formation = bebob->tx_stream_formations;
for (i = 0; i < SND_BEBOB_STRM_FMT_ENTRIES; i++) {
snd_iprintf(buffer,
"\t%d\t%d\t%d\n", snd_bebob_rate_table[i],
formation[i].pcm, formation[i].midi);
}
snd_iprintf(buffer, "Input Stream to device:\n");
snd_iprintf(buffer, "\tRate\tPCM\tMIDI\n");
formation = bebob->rx_stream_formations;
for (i = 0; i < SND_BEBOB_STRM_FMT_ENTRIES; i++) {
snd_iprintf(buffer,
"\t%d\t%d\t%d\n", snd_bebob_rate_table[i],
formation[i].pcm, formation[i].midi);
}
}
static void
proc_read_clock(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
static const char *const clk_labels[] = {
"Internal",
"External",
"SYT-Match",
};
struct snd_bebob *bebob = entry->private_data;
struct snd_bebob_rate_spec *rate_spec = bebob->spec->rate;
struct snd_bebob_clock_spec *clk_spec = bebob->spec->clock;
enum snd_bebob_clock_type src;
unsigned int rate;
if (rate_spec->get(bebob, &rate) >= 0)
snd_iprintf(buffer, "Sampling rate: %d\n", rate);
if (snd_bebob_stream_get_clock_src(bebob, &src) >= 0) {
if (clk_spec)
snd_iprintf(buffer, "Clock Source: %s\n",
clk_labels[src]);
else
snd_iprintf(buffer, "Clock Source: %s (MSU-dest: %d)\n",
clk_labels[src], bebob->sync_input_plug);
}
}
static void
add_node(struct snd_bebob *bebob, 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(bebob->card, name, root);
if (entry == NULL)
return;
snd_info_set_text_ops(entry, bebob, op);
if (snd_info_register(entry) < 0)
snd_info_free_entry(entry);
}
void snd_bebob_proc_init(struct snd_bebob *bebob)
{
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(bebob->card, "firewire",
bebob->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;
}
add_node(bebob, root, "clock", proc_read_clock);
add_node(bebob, root, "firmware", proc_read_hw_info);
add_node(bebob, root, "formation", proc_read_formation);
if (bebob->spec->meter != NULL)
add_node(bebob, root, "meter", proc_read_meters);
}
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