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Diffstat (limited to 'sound/firewire/motu/motu-protocol-v3.c')
-rw-r--r--sound/firewire/motu/motu-protocol-v3.c312
1 files changed, 156 insertions, 156 deletions
diff --git a/sound/firewire/motu/motu-protocol-v3.c b/sound/firewire/motu/motu-protocol-v3.c
index d1545e2b5caa..01a47ac7bb2d 100644
--- a/sound/firewire/motu/motu-protocol-v3.c
+++ b/sound/firewire/motu/motu-protocol-v3.c
@@ -24,7 +24,8 @@
#define V3_NO_ADAT_OPT_OUT_IFACE_A 0x00040000
#define V3_NO_ADAT_OPT_OUT_IFACE_B 0x00400000
-static int v3_get_clock_rate(struct snd_motu *motu, unsigned int *rate)
+int snd_motu_protocol_v3_get_clock_rate(struct snd_motu *motu,
+ unsigned int *rate)
{
__be32 reg;
u32 data;
@@ -45,7 +46,8 @@ static int v3_get_clock_rate(struct snd_motu *motu, unsigned int *rate)
return 0;
}
-static int v3_set_clock_rate(struct snd_motu *motu, unsigned int rate)
+int snd_motu_protocol_v3_set_clock_rate(struct snd_motu *motu,
+ unsigned int rate)
{
__be32 reg;
u32 data;
@@ -85,55 +87,102 @@ static int v3_set_clock_rate(struct snd_motu *motu, unsigned int rate)
return 0;
}
-static int v3_get_clock_source(struct snd_motu *motu,
- enum snd_motu_clock_source *src)
+static int detect_clock_source_828mk3(struct snd_motu *motu, u32 data,
+ enum snd_motu_clock_source *src)
{
- __be32 reg;
- u32 data;
- unsigned int val;
- int err;
-
- err = snd_motu_transaction_read(motu, V3_CLOCK_STATUS_OFFSET, &reg,
- sizeof(reg));
- if (err < 0)
- return err;
- data = be32_to_cpu(reg);
-
- val = data & V3_CLOCK_SOURCE_MASK;
- if (val == 0x00) {
+ switch (data) {
+ case 0x00:
*src = SND_MOTU_CLOCK_SOURCE_INTERNAL;
- } else if (val == 0x01) {
+ break;
+ case 0x01:
*src = SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC;
- } else if (val == 0x02) {
+ break;
+ case 0x02:
*src = SND_MOTU_CLOCK_SOURCE_SPH;
- } else if (val == 0x10) {
+ break;
+ case 0x10:
*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX;
- } else if (val == 0x18 || val == 0x19) {
- err = snd_motu_transaction_read(motu, V3_OPT_IFACE_MODE_OFFSET,
- &reg, sizeof(reg));
+ break;
+ case 0x18:
+ case 0x19:
+ {
+ __be32 reg;
+ u32 options;
+ int err;
+
+ err = snd_motu_transaction_read(motu,
+ V3_OPT_IFACE_MODE_OFFSET, &reg, sizeof(reg));
if (err < 0)
return err;
- data = be32_to_cpu(reg);
+ options = be32_to_cpu(reg);
- if (val == 0x18) {
- if (data & V3_NO_ADAT_OPT_IN_IFACE_A)
+ if (data == 0x18) {
+ if (options & V3_NO_ADAT_OPT_IN_IFACE_A)
*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_A;
else
*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_A;
} else {
- if (data & V3_NO_ADAT_OPT_IN_IFACE_B)
+ if (options & V3_NO_ADAT_OPT_IN_IFACE_B)
*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_B;
else
*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_B;
}
- } else {
+
+ break;
+ }
+ default:
*src = SND_MOTU_CLOCK_SOURCE_UNKNOWN;
+ break;
}
return 0;
}
-static int v3_switch_fetching_mode(struct snd_motu *motu, bool enable)
+static int v3_detect_clock_source(struct snd_motu *motu, u32 data,
+ enum snd_motu_clock_source *src)
+{
+ switch (data) {
+ case 0x00:
+ *src = SND_MOTU_CLOCK_SOURCE_INTERNAL;
+ break;
+ case 0x01:
+ *src = SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC;
+ break;
+ case 0x02:
+ *src = SND_MOTU_CLOCK_SOURCE_SPH;
+ break;
+ case 0x10:
+ *src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX;
+ break;
+ default:
+ *src = SND_MOTU_CLOCK_SOURCE_UNKNOWN;
+ break;
+ }
+
+ return 0;
+}
+
+int snd_motu_protocol_v3_get_clock_source(struct snd_motu *motu,
+ enum snd_motu_clock_source *src)
+{
+ __be32 reg;
+ u32 data;
+ int err;
+
+ err = snd_motu_transaction_read(motu, V3_CLOCK_STATUS_OFFSET, &reg,
+ sizeof(reg));
+ if (err < 0)
+ return err;
+ data = be32_to_cpu(reg) & V3_CLOCK_SOURCE_MASK;
+
+ if (motu->spec == &snd_motu_spec_828mk3)
+ return detect_clock_source_828mk3(motu, data, src);
+ else
+ return v3_detect_clock_source(motu, data, src);
+}
+
+int snd_motu_protocol_v3_switch_fetching_mode(struct snd_motu *motu,
+ bool enable)
{
__be32 reg;
u32 data;
@@ -155,162 +204,113 @@ static int v3_switch_fetching_mode(struct snd_motu *motu, bool enable)
sizeof(reg));
}
-static void calculate_fixed_part(struct snd_motu_packet_format *formats,
- enum amdtp_stream_direction dir,
- enum snd_motu_spec_flags flags,
- unsigned char analog_ports)
+static int detect_packet_formats_828mk3(struct snd_motu *motu, u32 data)
{
- 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)
- pcm_chunks[2] = analog_ports;
-
- if (dir == AMDTP_IN_STREAM) {
- if (flags & SND_MOTU_SPEC_TX_MICINST_CHUNK) {
- pcm_chunks[0] += 2;
- pcm_chunks[1] += 2;
- if (flags & SND_MOTU_SPEC_SUPPORT_CLOCK_X4)
- pcm_chunks[2] += 2;
- }
-
- if (flags & SND_MOTU_SPEC_TX_RETURN_CHUNK) {
- pcm_chunks[0] += 2;
- pcm_chunks[1] += 2;
- if (flags & SND_MOTU_SPEC_SUPPORT_CLOCK_X4)
- pcm_chunks[2] += 2;
- }
-
- if (flags & SND_MOTU_SPEC_TX_REVERB_CHUNK) {
- pcm_chunks[0] += 2;
- pcm_chunks[1] += 2;
- }
- } else {
- if (flags & SND_MOTU_SPEC_RX_SEPARATED_MAIN) {
- pcm_chunks[0] += 2;
- pcm_chunks[1] += 2;
+ 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;
}
-
- // Packets to v3 units include 2 chunks for phone 1/2, except
- // for 176.4/192.0 kHz.
- pcm_chunks[0] += 2;
- pcm_chunks[1] += 2;
}
- if (flags & SND_MOTU_SPEC_HAS_AESEBU_IFACE) {
- pcm_chunks[0] += 2;
- pcm_chunks[1] += 2;
+ 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;
+ }
}
- /*
- * At least, packets have two data chunks for S/PDIF on coaxial
- * interface.
- */
- pcm_chunks[0] += 2;
- pcm_chunks[1] += 2;
-
- /*
- * Fixed part consists of PCM chunks multiple of 4, with msg chunks. As
- * a result, this part can includes empty data chunks.
- */
- formats->fixed_part_pcm_chunks[0] = round_up(2 + pcm_chunks[0], 4) - 2;
- formats->fixed_part_pcm_chunks[1] = round_up(2 + pcm_chunks[1], 4) - 2;
- if (flags & SND_MOTU_SPEC_SUPPORT_CLOCK_X4)
- formats->fixed_part_pcm_chunks[2] =
- round_up(2 + pcm_chunks[2], 4) - 2;
-}
-
-static void calculate_differed_part(struct snd_motu_packet_format *formats,
- enum snd_motu_spec_flags flags, u32 data,
- u32 a_enable_mask, u32 a_no_adat_mask,
- u32 b_enable_mask, u32 b_no_adat_mask)
-{
- unsigned char pcm_chunks[3] = {0, 0, 0};
- int i;
-
- if ((flags & SND_MOTU_SPEC_HAS_OPT_IFACE_A) && (data & a_enable_mask)) {
- if (data & a_no_adat_mask) {
- /*
- * Additional two data chunks for S/PDIF on optical
- * interface A. This includes empty data chunks.
- */
- pcm_chunks[0] += 4;
- 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 {
- /*
- * Additional data chunks for ADAT on optical interface
- * A.
- */
- pcm_chunks[0] += 8;
- pcm_chunks[1] += 4;
+ motu->rx_packet_formats.pcm_chunks[0] += 8;
+ motu->rx_packet_formats.pcm_chunks[1] += 4;
}
}
- if ((flags & SND_MOTU_SPEC_HAS_OPT_IFACE_B) && (data & b_enable_mask)) {
- if (data & b_no_adat_mask) {
- /*
- * Additional two data chunks for S/PDIF on optical
- * interface B. This includes empty data chunks.
- */
- pcm_chunks[0] += 4;
- 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 {
- /*
- * Additional data chunks for ADAT on optical interface
- * B.
- */
- pcm_chunks[0] += 8;
- pcm_chunks[1] += 4;
+ motu->rx_packet_formats.pcm_chunks[0] += 8;
+ motu->rx_packet_formats.pcm_chunks[1] += 4;
}
}
- for (i = 0; i < 3; ++i) {
- if (pcm_chunks[i] > 0)
- pcm_chunks[i] = round_up(pcm_chunks[i], 4);
-
- formats->differed_part_pcm_chunks[i] = pcm_chunks[i];
- }
+ return 0;
}
-static int v3_cache_packet_formats(struct snd_motu *motu)
+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)
return err;
data = be32_to_cpu(reg);
- calculate_fixed_part(&motu->tx_packet_formats, AMDTP_IN_STREAM,
- motu->spec->flags, motu->spec->analog_in_ports);
- calculate_differed_part(&motu->tx_packet_formats,
- motu->spec->flags, data,
- V3_ENABLE_OPT_IN_IFACE_A, V3_NO_ADAT_OPT_IN_IFACE_A,
- V3_ENABLE_OPT_IN_IFACE_B, V3_NO_ADAT_OPT_IN_IFACE_B);
+ 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));
- calculate_fixed_part(&motu->rx_packet_formats, AMDTP_OUT_STREAM,
- motu->spec->flags, motu->spec->analog_out_ports);
- calculate_differed_part(&motu->rx_packet_formats,
- motu->spec->flags, data,
- 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);
+ if (motu->spec == &snd_motu_spec_828mk3)
+ return detect_packet_formats_828mk3(motu, data);
+ else
+ return 0;
+}
- motu->tx_packet_formats.pcm_byte_offset = 10;
- motu->rx_packet_formats.pcm_byte_offset = 10;
- return 0;
-}
+const struct snd_motu_spec snd_motu_spec_828mk3 = {
+ .name = "828mk3",
+ .protocol_version = SND_MOTU_PROTOCOL_V3,
+ .flags = SND_MOTU_SPEC_RX_MIDI_3RD_Q |
+ SND_MOTU_SPEC_TX_MIDI_3RD_Q,
+ .tx_fixed_pcm_chunks = {18, 18, 14},
+ .rx_fixed_pcm_chunks = {14, 14, 10},
+};
+
+const struct snd_motu_spec snd_motu_spec_ultralite_mk3 = {
+ .name = "UltraLiteMk3",
+ .protocol_version = SND_MOTU_PROTOCOL_V3,
+ .flags = SND_MOTU_SPEC_RX_MIDI_3RD_Q |
+ SND_MOTU_SPEC_TX_MIDI_3RD_Q,
+ .tx_fixed_pcm_chunks = {18, 14, 10},
+ .rx_fixed_pcm_chunks = {14, 14, 14},
+};
+
+const struct snd_motu_spec snd_motu_spec_audio_express = {
+ .name = "AudioExpress",
+ .protocol_version = SND_MOTU_PROTOCOL_V3,
+ .flags = SND_MOTU_SPEC_RX_MIDI_2ND_Q |
+ SND_MOTU_SPEC_TX_MIDI_3RD_Q,
+ .tx_fixed_pcm_chunks = {10, 10, 0},
+ .rx_fixed_pcm_chunks = {10, 10, 0},
+};
-const struct snd_motu_protocol snd_motu_protocol_v3 = {
- .get_clock_rate = v3_get_clock_rate,
- .set_clock_rate = v3_set_clock_rate,
- .get_clock_source = v3_get_clock_source,
- .switch_fetching_mode = v3_switch_fetching_mode,
- .cache_packet_formats = v3_cache_packet_formats,
+const struct snd_motu_spec snd_motu_spec_4pre = {
+ .name = "4pre",
+ .protocol_version = SND_MOTU_PROTOCOL_V3,
+ .tx_fixed_pcm_chunks = {10, 10, 0},
+ .rx_fixed_pcm_chunks = {10, 10, 0},
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.