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ALSA: firewire-motu: add alternative functions to detect packet format for protocol v3 

This commit adds alternative functions to detect packet format so that
each function corresponds to each model.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20200519111641.123211-9-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2020-05-19 20:16:35 +09:00 committed by Takashi Iwai
parent 28c8d3c91a
commit 0090c1c5f3
2 changed files with 67 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sound/firewire/motu/motu-protocol-v2.c
View File

@ -345,6 +345,12 @@ int snd_motu_protocol_v2_cache_packet_formats(struct snd_motu *motu)
calculate_differed_part(&motu->rx_packet_formats, motu->spec->flags,
data, V2_OPT_OUT_IFACE_MASK, V2_OPT_OUT_IFACE_SHIFT);
memcpy(motu->tx_packet_formats.pcm_chunks,
motu->spec->tx_fixed_pcm_chunks,
sizeof(motu->tx_packet_formats.pcm_chunks));
memcpy(motu->rx_packet_formats.pcm_chunks,
motu->spec->rx_fixed_pcm_chunks,
sizeof(motu->rx_packet_formats.pcm_chunks));
if (motu->spec == &snd_motu_spec_828mk2)
return detect_packet_formats_828mk2(motu, data);

66
sound/firewire/motu/motu-protocol-v3.c
View File

@ -165,8 +165,6 @@ static void calculate_fixed_part(struct snd_motu_packet_format *formats,
{
unsigned char pcm_chunks[3] = {0, 0, 0};
formats->msg_chunks = 2;
pcm_chunks[0] = analog_ports;
pcm_chunks[1] = analog_ports;
if (flags & SND_MOTU_SPEC_SUPPORT_CLOCK_X4)
@ -278,12 +276,63 @@ static void calculate_differed_part(struct snd_motu_packet_format *formats,
}
}
static int detect_packet_formats_828mk3(struct snd_motu *motu, u32 data)
{
if (data & V3_ENABLE_OPT_IN_IFACE_A) {
if (data & V3_NO_ADAT_OPT_IN_IFACE_A) {
motu->tx_packet_formats.pcm_chunks[0] += 4;
motu->tx_packet_formats.pcm_chunks[1] += 4;
} else {
motu->tx_packet_formats.pcm_chunks[0] += 8;
motu->tx_packet_formats.pcm_chunks[1] += 4;
}
}
if (data & V3_ENABLE_OPT_IN_IFACE_B) {
if (data & V3_NO_ADAT_OPT_IN_IFACE_B) {
motu->tx_packet_formats.pcm_chunks[0] += 4;
motu->tx_packet_formats.pcm_chunks[1] += 4;
} else {
motu->tx_packet_formats.pcm_chunks[0] += 8;
motu->tx_packet_formats.pcm_chunks[1] += 4;
}
}
if (data & V3_ENABLE_OPT_OUT_IFACE_A) {
if (data & V3_NO_ADAT_OPT_OUT_IFACE_A) {
motu->rx_packet_formats.pcm_chunks[0] += 4;
motu->rx_packet_formats.pcm_chunks[1] += 4;
} else {
motu->rx_packet_formats.pcm_chunks[0] += 8;
motu->rx_packet_formats.pcm_chunks[1] += 4;
}
}
if (data & V3_ENABLE_OPT_OUT_IFACE_B) {
if (data & V3_NO_ADAT_OPT_OUT_IFACE_B) {
motu->rx_packet_formats.pcm_chunks[0] += 4;
motu->rx_packet_formats.pcm_chunks[1] += 4;
} else {
motu->rx_packet_formats.pcm_chunks[0] += 8;
motu->rx_packet_formats.pcm_chunks[1] += 4;
}
}
return 0;
}
int snd_motu_protocol_v3_cache_packet_formats(struct snd_motu *motu)
{
__be32 reg;
u32 data;
int err;
motu->tx_packet_formats.pcm_byte_offset = 10;
motu->rx_packet_formats.pcm_byte_offset = 10;
motu->tx_packet_formats.msg_chunks = 2;
motu->rx_packet_formats.msg_chunks = 2;
err = snd_motu_transaction_read(motu, V3_OPT_IFACE_MODE_OFFSET, &reg,
sizeof(reg));
if (err < 0)
@ -304,10 +353,17 @@ int snd_motu_protocol_v3_cache_packet_formats(struct snd_motu *motu)
V3_ENABLE_OPT_OUT_IFACE_A, V3_NO_ADAT_OPT_OUT_IFACE_A,
V3_ENABLE_OPT_OUT_IFACE_B, V3_NO_ADAT_OPT_OUT_IFACE_B);
motu->tx_packet_formats.pcm_byte_offset = 10;
motu->rx_packet_formats.pcm_byte_offset = 10;
memcpy(motu->tx_packet_formats.pcm_chunks,
motu->spec->tx_fixed_pcm_chunks,
sizeof(motu->tx_packet_formats.pcm_chunks));
memcpy(motu->rx_packet_formats.pcm_chunks,
motu->spec->rx_fixed_pcm_chunks,
sizeof(motu->rx_packet_formats.pcm_chunks));
return 0;
if (motu->spec == &snd_motu_spec_828mk3)
return detect_packet_formats_828mk3(motu, data);
else
return 0;
}