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authorTakashi Iwai <tiwai@suse.de>2019-09-14 17:24:57 +0200
committerTakashi Iwai <tiwai@suse.de>2019-09-14 17:26:10 +0200
commitd3f9990f1b48514b33342612b51fad238592d774 (patch)
tree9ad5ae81ba3e820e91a09e2675b7c98675bd809e /sound/firewire/tascam
parente1a00b5b253a4f97216b9a33199a863987075162 (diff)
parent7711fb7dac1ab77fd1b4d948f4647a569e4a1ae2 (diff)
Merge branch 'for-next' into for-linus
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/tascam')
-rw-r--r--sound/firewire/tascam/amdtp-tascam.c115
-rw-r--r--sound/firewire/tascam/tascam-stream.c123
-rw-r--r--sound/firewire/tascam/tascam.c4
-rw-r--r--sound/firewire/tascam/tascam.h22
4 files changed, 171 insertions, 93 deletions
diff --git a/sound/firewire/tascam/amdtp-tascam.c b/sound/firewire/tascam/amdtp-tascam.c
index 95fb10b7a737..e80bb84c43f6 100644
--- a/sound/firewire/tascam/amdtp-tascam.c
+++ b/sound/firewire/tascam/amdtp-tascam.c
@@ -32,19 +32,24 @@ int amdtp_tscm_set_parameters(struct amdtp_stream *s, unsigned int rate)
return amdtp_stream_set_parameters(s, rate, data_channels);
}
-static void write_pcm_s32(struct amdtp_stream *s,
- struct snd_pcm_substream *pcm,
- __be32 *buffer, unsigned int frames)
+static void write_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm,
+ __be32 *buffer, unsigned int frames,
+ unsigned int pcm_frames)
{
struct amdtp_tscm *p = s->protocol;
+ unsigned int channels = p->pcm_channels;
struct snd_pcm_runtime *runtime = pcm->runtime;
- unsigned int channels, remaining_frames, i, c;
+ unsigned int pcm_buffer_pointer;
+ int remaining_frames;
const u32 *src;
+ int i, c;
+
+ pcm_buffer_pointer = s->pcm_buffer_pointer + pcm_frames;
+ pcm_buffer_pointer %= runtime->buffer_size;
- channels = p->pcm_channels;
src = (void *)runtime->dma_area +
- frames_to_bytes(runtime, s->pcm_buffer_pointer);
- remaining_frames = runtime->buffer_size - s->pcm_buffer_pointer;
+ frames_to_bytes(runtime, pcm_buffer_pointer);
+ remaining_frames = runtime->buffer_size - pcm_buffer_pointer;
for (i = 0; i < frames; ++i) {
for (c = 0; c < channels; ++c) {
@@ -57,19 +62,24 @@ static void write_pcm_s32(struct amdtp_stream *s,
}
}
-static void read_pcm_s32(struct amdtp_stream *s,
- struct snd_pcm_substream *pcm,
- __be32 *buffer, unsigned int frames)
+static void read_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm,
+ __be32 *buffer, unsigned int frames,
+ unsigned int pcm_frames)
{
struct amdtp_tscm *p = s->protocol;
+ unsigned int channels = p->pcm_channels;
struct snd_pcm_runtime *runtime = pcm->runtime;
- unsigned int channels, remaining_frames, i, c;
+ unsigned int pcm_buffer_pointer;
+ int remaining_frames;
u32 *dst;
+ int i, c;
+
+ pcm_buffer_pointer = s->pcm_buffer_pointer + pcm_frames;
+ pcm_buffer_pointer %= runtime->buffer_size;
- channels = p->pcm_channels;
dst = (void *)runtime->dma_area +
- frames_to_bytes(runtime, s->pcm_buffer_pointer);
- remaining_frames = runtime->buffer_size - s->pcm_buffer_pointer;
+ frames_to_bytes(runtime, pcm_buffer_pointer);
+ remaining_frames = runtime->buffer_size - pcm_buffer_pointer;
/* The first data channel is for event counter. */
buffer += 1;
@@ -165,65 +175,82 @@ static void read_status_messages(struct amdtp_stream *s,
}
}
-static unsigned int process_tx_data_blocks(struct amdtp_stream *s,
- __be32 *buffer,
- unsigned int data_blocks,
- unsigned int *syt)
+static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
+ const struct pkt_desc *descs,
+ unsigned int packets,
+ struct snd_pcm_substream *pcm)
{
- struct snd_pcm_substream *pcm;
+ unsigned int pcm_frames = 0;
+ int i;
+
+ for (i = 0; i < packets; ++i) {
+ const struct pkt_desc *desc = descs + i;
+ __be32 *buf = desc->ctx_payload;
+ unsigned int data_blocks = desc->data_blocks;
- pcm = READ_ONCE(s->pcm);
- if (data_blocks > 0 && pcm)
- read_pcm_s32(s, pcm, buffer, data_blocks);
+ if (pcm) {
+ read_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);
+ pcm_frames += data_blocks;
+ }
- read_status_messages(s, buffer, data_blocks);
+ read_status_messages(s, buf, data_blocks);
+ }
- return data_blocks;
+ return pcm_frames;
}
-static unsigned int process_rx_data_blocks(struct amdtp_stream *s,
- __be32 *buffer,
- unsigned int data_blocks,
- unsigned int *syt)
+static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
+ const struct pkt_desc *descs,
+ unsigned int packets,
+ struct snd_pcm_substream *pcm)
{
- struct snd_pcm_substream *pcm;
+ unsigned int pcm_frames = 0;
+ int i;
- /* This field is not used. */
- *syt = 0x0000;
+ for (i = 0; i < packets; ++i) {
+ const struct pkt_desc *desc = descs + i;
+ __be32 *buf = desc->ctx_payload;
+ unsigned int data_blocks = desc->data_blocks;
- pcm = READ_ONCE(s->pcm);
- if (pcm)
- write_pcm_s32(s, pcm, buffer, data_blocks);
- else
- write_pcm_silence(s, buffer, data_blocks);
+ if (pcm) {
+ write_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);
+ pcm_frames += data_blocks;
+ } else {
+ write_pcm_silence(s, buf, data_blocks);
+ }
+ }
- return data_blocks;
+ return pcm_frames;
}
int amdtp_tscm_init(struct amdtp_stream *s, struct fw_unit *unit,
enum amdtp_stream_direction dir, unsigned int pcm_channels)
{
- amdtp_stream_process_data_blocks_t process_data_blocks;
+ amdtp_stream_process_ctx_payloads_t process_ctx_payloads;
struct amdtp_tscm *p;
unsigned int fmt;
int err;
if (dir == AMDTP_IN_STREAM) {
fmt = AMDTP_FMT_TSCM_TX;
- process_data_blocks = process_tx_data_blocks;
+ process_ctx_payloads = process_ir_ctx_payloads;
} else {
fmt = AMDTP_FMT_TSCM_RX;
- process_data_blocks = process_rx_data_blocks;
+ process_ctx_payloads = process_it_ctx_payloads;
}
err = amdtp_stream_init(s, unit, dir,
- CIP_NONBLOCKING | CIP_SKIP_DBC_ZERO_CHECK, fmt,
- process_data_blocks, sizeof(struct amdtp_tscm));
+ CIP_NONBLOCKING | CIP_SKIP_DBC_ZERO_CHECK, fmt,
+ process_ctx_payloads, sizeof(struct amdtp_tscm));
if (err < 0)
return 0;
- /* Use fixed value for FDF field. */
- s->ctx_data.rx.fdf = 0x00;
+ if (dir == AMDTP_OUT_STREAM) {
+ // Use fixed value for FDF field.
+ s->ctx_data.rx.fdf = 0x00;
+ // Not used.
+ s->ctx_data.rx.syt_override = 0x0000;
+ }
/* This protocol uses fixed number of data channels for PCM samples. */
p = s->protocol;
diff --git a/sound/firewire/tascam/tascam-stream.c b/sound/firewire/tascam/tascam-stream.c
index ccfa92fbc145..adf69a520b80 100644
--- a/sound/firewire/tascam/tascam-stream.c
+++ b/sound/firewire/tascam/tascam-stream.c
@@ -194,9 +194,6 @@ static void finish_session(struct snd_tscm *tscm)
{
__be32 reg;
- amdtp_stream_stop(&tscm->rx_stream);
- amdtp_stream_stop(&tscm->tx_stream);
-
reg = 0;
snd_fw_transaction(tscm->unit, TCODE_WRITE_QUADLET_REQUEST,
TSCM_ADDR_BASE + TSCM_OFFSET_START_STREAMING,
@@ -301,38 +298,68 @@ static int keep_resources(struct snd_tscm *tscm, unsigned int rate,
fw_parent_device(tscm->unit)->max_speed);
}
-int snd_tscm_stream_init_duplex(struct snd_tscm *tscm)
+static int init_stream(struct snd_tscm *tscm, struct amdtp_stream *s)
{
+ struct fw_iso_resources *resources;
+ enum amdtp_stream_direction dir;
unsigned int pcm_channels;
int err;
- /* For out-stream. */
- err = fw_iso_resources_init(&tscm->rx_resources, tscm->unit);
- if (err < 0)
- return err;
- pcm_channels = tscm->spec->pcm_playback_analog_channels;
+ if (s == &tscm->tx_stream) {
+ resources = &tscm->tx_resources;
+ dir = AMDTP_IN_STREAM;
+ pcm_channels = tscm->spec->pcm_capture_analog_channels;
+ } else {
+ resources = &tscm->rx_resources;
+ dir = AMDTP_OUT_STREAM;
+ pcm_channels = tscm->spec->pcm_playback_analog_channels;
+ }
+
if (tscm->spec->has_adat)
pcm_channels += 8;
if (tscm->spec->has_spdif)
pcm_channels += 2;
- err = amdtp_tscm_init(&tscm->rx_stream, tscm->unit, AMDTP_OUT_STREAM,
- pcm_channels);
+
+ err = fw_iso_resources_init(resources, tscm->unit);
if (err < 0)
return err;
- /* For in-stream. */
- err = fw_iso_resources_init(&tscm->tx_resources, tscm->unit);
+ err = amdtp_tscm_init(s, tscm->unit, dir, pcm_channels);
if (err < 0)
- return err;
- pcm_channels = tscm->spec->pcm_capture_analog_channels;
- if (tscm->spec->has_adat)
- pcm_channels += 8;
- if (tscm->spec->has_spdif)
- pcm_channels += 2;
- err = amdtp_tscm_init(&tscm->tx_stream, tscm->unit, AMDTP_IN_STREAM,
- pcm_channels);
+ fw_iso_resources_free(resources);
+
+ return err;
+}
+
+static void destroy_stream(struct snd_tscm *tscm, struct amdtp_stream *s)
+{
+ amdtp_stream_destroy(s);
+
+ if (s == &tscm->tx_stream)
+ fw_iso_resources_destroy(&tscm->tx_resources);
+ else
+ fw_iso_resources_destroy(&tscm->rx_resources);
+}
+
+int snd_tscm_stream_init_duplex(struct snd_tscm *tscm)
+{
+ int err;
+
+ err = init_stream(tscm, &tscm->tx_stream);
if (err < 0)
- amdtp_stream_destroy(&tscm->rx_stream);
+ return err;
+
+ err = init_stream(tscm, &tscm->rx_stream);
+ if (err < 0) {
+ destroy_stream(tscm, &tscm->tx_stream);
+ return err;
+ }
+
+ err = amdtp_domain_init(&tscm->domain);
+ if (err < 0) {
+ destroy_stream(tscm, &tscm->tx_stream);
+ destroy_stream(tscm, &tscm->rx_stream);
+ }
return err;
}
@@ -340,24 +367,20 @@ int snd_tscm_stream_init_duplex(struct snd_tscm *tscm)
// At bus reset, streaming is stopped and some registers are clear.
void snd_tscm_stream_update_duplex(struct snd_tscm *tscm)
{
- amdtp_stream_pcm_abort(&tscm->tx_stream);
- amdtp_stream_stop(&tscm->tx_stream);
+ amdtp_domain_stop(&tscm->domain);
+ amdtp_stream_pcm_abort(&tscm->tx_stream);
amdtp_stream_pcm_abort(&tscm->rx_stream);
- amdtp_stream_stop(&tscm->rx_stream);
}
-/*
- * This function should be called before starting streams or after stopping
- * streams.
- */
+// This function should be called before starting streams or after stopping
+// streams.
void snd_tscm_stream_destroy_duplex(struct snd_tscm *tscm)
{
- amdtp_stream_destroy(&tscm->rx_stream);
- amdtp_stream_destroy(&tscm->tx_stream);
+ amdtp_domain_destroy(&tscm->domain);
- fw_iso_resources_destroy(&tscm->rx_resources);
- fw_iso_resources_destroy(&tscm->tx_resources);
+ destroy_stream(tscm, &tscm->rx_stream);
+ destroy_stream(tscm, &tscm->tx_stream);
}
int snd_tscm_stream_reserve_duplex(struct snd_tscm *tscm, unsigned int rate)
@@ -370,6 +393,8 @@ int snd_tscm_stream_reserve_duplex(struct snd_tscm *tscm, unsigned int rate)
return err;
if (tscm->substreams_counter == 0 || rate != curr_rate) {
+ amdtp_domain_stop(&tscm->domain);
+
finish_session(tscm);
fw_iso_resources_free(&tscm->tx_resources);
@@ -402,8 +427,10 @@ int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate)
return 0;
if (amdtp_streaming_error(&tscm->rx_stream) ||
- amdtp_streaming_error(&tscm->tx_stream))
+ amdtp_streaming_error(&tscm->tx_stream)) {
+ amdtp_domain_stop(&tscm->domain);
finish_session(tscm);
+ }
if (generation != fw_parent_device(tscm->unit)->card->generation) {
err = fw_iso_resources_update(&tscm->tx_resources);
@@ -416,6 +443,8 @@ int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate)
}
if (!amdtp_stream_running(&tscm->rx_stream)) {
+ int spd = fw_parent_device(tscm->unit)->max_speed;
+
err = set_stream_formats(tscm, rate);
if (err < 0)
goto error;
@@ -424,27 +453,23 @@ int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate)
if (err < 0)
goto error;
- err = amdtp_stream_start(&tscm->rx_stream,
- tscm->rx_resources.channel,
- fw_parent_device(tscm->unit)->max_speed);
+ err = amdtp_domain_add_stream(&tscm->domain, &tscm->rx_stream,
+ tscm->rx_resources.channel, spd);
if (err < 0)
goto error;
- if (!amdtp_stream_wait_callback(&tscm->rx_stream,
- CALLBACK_TIMEOUT)) {
- err = -ETIMEDOUT;
+ err = amdtp_domain_add_stream(&tscm->domain, &tscm->tx_stream,
+ tscm->tx_resources.channel, spd);
+ if (err < 0)
goto error;
- }
- }
- if (!amdtp_stream_running(&tscm->tx_stream)) {
- err = amdtp_stream_start(&tscm->tx_stream,
- tscm->tx_resources.channel,
- fw_parent_device(tscm->unit)->max_speed);
+ err = amdtp_domain_start(&tscm->domain);
if (err < 0)
- goto error;
+ return err;
- if (!amdtp_stream_wait_callback(&tscm->tx_stream,
+ if (!amdtp_stream_wait_callback(&tscm->rx_stream,
+ CALLBACK_TIMEOUT) ||
+ !amdtp_stream_wait_callback(&tscm->tx_stream,
CALLBACK_TIMEOUT)) {
err = -ETIMEDOUT;
goto error;
@@ -453,6 +478,7 @@ int snd_tscm_stream_start_duplex(struct snd_tscm *tscm, unsigned int rate)
return 0;
error:
+ amdtp_domain_stop(&tscm->domain);
finish_session(tscm);
return err;
@@ -461,6 +487,7 @@ error:
void snd_tscm_stream_stop_duplex(struct snd_tscm *tscm)
{
if (tscm->substreams_counter == 0) {
+ amdtp_domain_stop(&tscm->domain);
finish_session(tscm);
fw_iso_resources_free(&tscm->tx_resources);
diff --git a/sound/firewire/tascam/tascam.c b/sound/firewire/tascam/tascam.c
index 231052db5680..addc464503bc 100644
--- a/sound/firewire/tascam/tascam.c
+++ b/sound/firewire/tascam/tascam.c
@@ -39,6 +39,9 @@ static const struct snd_tscm_spec model_specs[] = {
.midi_capture_ports = 2,
.midi_playback_ports = 4,
},
+ // This kernel module doesn't support FE-8 because the most of features
+ // can be implemented in userspace without any specific support of this
+ // module.
};
static int identify_model(struct snd_tscm *tscm)
@@ -214,7 +217,6 @@ static const struct ieee1394_device_id snd_tscm_id_table[] = {
.vendor_id = 0x00022e,
.specifier_id = 0x00022e,
},
- /* FE-08 requires reverse-engineering because it just has faders. */
{}
};
MODULE_DEVICE_TABLE(ieee1394, snd_tscm_id_table);
diff --git a/sound/firewire/tascam/tascam.h b/sound/firewire/tascam/tascam.h
index 734e5bb9c3da..15bd335fa07f 100644
--- a/sound/firewire/tascam/tascam.h
+++ b/sound/firewire/tascam/tascam.h
@@ -97,6 +97,8 @@ struct snd_tscm {
struct snd_firewire_tascam_change queue[SND_TSCM_QUEUE_COUNT];
unsigned int pull_pos;
unsigned int push_pos;
+
+ struct amdtp_domain domain;
};
#define TSCM_ADDR_BASE 0xffff00000000ull
@@ -127,6 +129,26 @@ struct snd_tscm {
#define TSCM_OFFSET_MIDI_RX_QUAD 0x4000
+// Although FE-8 supports the above registers, it has no I/O interfaces for
+// audio samples and music messages. Otherwise it supports another notification
+// for status and control message as well as LED brightening. The message
+// consists of quadlet-aligned data up to 32 quadlets. The first byte of message
+// is fixed to 0x40. The second byte is between 0x00 to 0x1f and represent each
+// control:
+// fader: 0x00-0x07
+// button: 0x0d, 0x0e
+// knob: 0x14-0x1b
+// sensing: 0x0b
+//
+// The rest two bytes represent state of the controls; e.g. current value for
+// fader and knob, bitmasks for button and sensing.
+// Just after turning on, 32 quadlets messages with 0x00-0x1f are immediately
+// sent in one transaction. After, several quadlets are sent in one transaction.
+//
+// TSCM_OFFSET_FE8_CTL_TX_ON 0x0310
+// TSCM_OFFSET_FE8_CTL_TX_ADDR_HI 0x0314
+// TSCM_OFFSET_FE8_CTL_TX_ADDR_LO 0x0318
+
enum snd_tscm_clock {
SND_TSCM_CLOCK_INTERNAL = 0,
SND_TSCM_CLOCK_WORD = 1,