OpenCloudOS-Kernel/sound/firewire/dice/dice-presonus.c

61 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0
// dice-presonus.c - a part of driver for DICE based devices
//
// Copyright (c) 2019 Takashi Sakamoto
#include "dice.h"
struct dice_presonus_spec {
unsigned int tx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
unsigned int rx_pcm_chs[MAX_STREAMS][SND_DICE_RATE_MODE_COUNT];
bool has_midi;
};
static const struct dice_presonus_spec dice_presonus_firesutio = {
.tx_pcm_chs = {{16, 16, 0}, {10, 2, 0} },
.rx_pcm_chs = {{16, 16, 0}, {10, 2, 0} },
.has_midi = true,
};
int snd_dice_detect_presonus_formats(struct snd_dice *dice)
{
static const struct {
u32 model_id;
const struct dice_presonus_spec *spec;
} *entry, entries[] = {
{0x000008, &dice_presonus_firesutio},
};
struct fw_csr_iterator it;
int key, val, model_id;
int i;
model_id = 0;
fw_csr_iterator_init(&it, dice->unit->directory);
while (fw_csr_iterator_next(&it, &key, &val)) {
if (key == CSR_MODEL) {
model_id = val;
break;
}
}
for (i = 0; i < ARRAY_SIZE(entries); ++i) {
entry = entries + i;
if (entry->model_id == model_id)
break;
}
if (i == ARRAY_SIZE(entries))
return -ENODEV;
memcpy(dice->tx_pcm_chs, entry->spec->tx_pcm_chs,
MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
memcpy(dice->rx_pcm_chs, entry->spec->rx_pcm_chs,
MAX_STREAMS * SND_DICE_RATE_MODE_COUNT * sizeof(unsigned int));
if (entry->spec->has_midi) {
dice->tx_midi_ports[0] = 1;
dice->rx_midi_ports[0] = 1;
}
return 0;
}