Commit graph

857 commits

Author SHA1 Message Date
Takashi Sakamoto
00d004db64 ALSA: firewire-motu: code refactoring for MOTU data block processing layer
This is code refactoring for MOTU data block processing layer so that
it can receive list of packet descriptor.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:10 +02:00
Takashi Sakamoto
806653b70e ALSA: firewire-tascam: code refactoring for TASCAM data block processing layer
This is code refactoring for TASCAM data block processing layer so that
it can receive list of packet descriptor.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:09 +02:00
Takashi Sakamoto
bb47396677 ALSA: firewire-digi00x: code refactoring for DOT data block processing layer
This is code refactoring for DOT data block processing layer so that
it can receive list of packet descriptor.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:09 +02:00
Takashi Sakamoto
9fc90644ca ALSA: firewire-lib: code refactoring for AM824 data block processing layer
This is code refactoring for AM824 data block processing layer so that
it can receive list of packet descriptor.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:08 +02:00
Takashi Sakamoto
d2c104a342 ALSA: firewire-lib: pass packet descriptor to data block processing layer
This commit changes signature of callback function to call data block
processing layer with packet descriptor. At present, the layer is called
per packet.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:06 +02:00
Takashi Sakamoto
0f5cfcb24d ALSA: firewire-lib: code refactoring to process context payloads
This is code refactoring for common processing for payloads of
ishocornous context.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:05 +02:00
Takashi Sakamoto
5e2ece0fdc ALSA: firewire-lib: code refactoring to process PCM substream
This is code refactoring to separate PCM substream processing from packet
queueing.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:05 +02:00
Takashi Sakamoto
753e717986 ALSA: firewire-lib: use packet descriptor for IR context
This commit uses packet descriptor to parse headers of IR context and
parse timing information for sequence transferred by target device.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:04 +02:00
Takashi Sakamoto
f4f6ae7b7c ALSA: firewire-lib: use packet descriptor for IT context
This commit uses packet descriptor to parse headers of IT context and
generate timing information for ideal sequence.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:04 +02:00
Takashi Sakamoto
04130cf8e2 ALSA: firewire-lib: add list of packet descriptor
In current implementation of ALSA IEC 61883-1/6 packet streaming engine,
16 packets are handled in one interrupt of isochronous context of OHCI
1394.

Overall packet processing runs for each. However, this is not better in
a point to split the processing into several parts.

This commit is an attempt to add intermediate representation for
parameters required for the parts.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:03 +02:00
Takashi Sakamoto
600c8018df ALSA: firewire-lib: pass no syt information to data block processing layer
In a previous commit, the variable passed from packet streaming layer
for syt variable is useless. This commit obsoletes it.

In my future work, the syt information is passed to data block processing
layer by another way.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:01 +02:00
Takashi Sakamoto
3baf30532f ALSA: firewire-lib: add syt_override member for some protocols
Some protocols don't use syt field of CIP header to represent
presentation timestamp. For such protocol, ALSA IEC 61883-1/6
packet streaming engine uses a pointer into local variable for
the value of syt to call data block processing layer. However,
it can decide the value when initializing packet streaming
layer.

This commit adds 'syt_override' member for packet streaming
layer.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:05:00 +02:00
Takashi Sakamoto
a35463d1f7 ALSA: firewire-lib: operate data block counter in top level of processing for IR context
In ALSA IEC 61883-1/6 packet streaming engine, two types of data block
counter are supported. This commit applies code refactoring to make it
explicitly for IR context.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:04:59 +02:00
Takashi Sakamoto
860d798c37 ALSA: firewire-lib: operate data block counter in top level of processing for IT context
In ALSA IEC 61883-1/6 packet streaming engine, two types of data block
counter are supported. This commit applies code refactoring to make it
explicitly for IT context.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:04:59 +02:00
Takashi Sakamoto
ab75481202 ALSA: firewire-lib: pass data block counter to data block processing layer
This is a preparation for future commit that 'struct
amdtp_stream.data_block_count' does not represent the value of
data block count for current data block.

However, data block count is required for calculation of sequence index
in sequence-multiplied data channel. Some of data block processing layer
require it; e.g. for AM824 data block.

This commit passes data block count to the processing layer.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:04:57 +02:00
Takashi Sakamoto
cdefaa44d5 ALSA: firewire-lib: pass data block count as an argument to tracepoints event
This is a preparation for future commit that 'struct
amdtp_stream.data_block_count' does not represent the value of
data block count for current data block.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:04:56 +02:00
Takashi Sakamoto
588f2e2caf ALSA: firewire-lib: obsolete ctx_data.tx.first_dbc with CIP_UNALIGHED_DBC flag
Recent firmware for Fireworks board module have a quirk to start
transmission of CIP with non-zero value for its data block counter.
In current implementation of ALSA firewire stack, the quirk is handled
by 'struct amdtp_stream.ctx_data.tx.first_dbc' with value 0x02. However,
the value comes from reverse engineering. It's better to handle this
quirk without the explicit value.

In a process to parse CIP header, the quirk of data block counter
affects decision of sequence index in sequence-multiplexed data channel;
i.e. MIDI conformant data channel. In Fireworks, the index is decided
by the number of data blocks from top of the same CIP, thus the value
of data block counter is useless.

This commit adds CIP_UNALIGHED_DBC flag and obsoletes the explicit
value for this quirk.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-22 16:04:55 +02:00
Takashi Sakamoto
0dcb4efb10 ALSA: firewire-lib: code refactoring for local variables
It's better to use int type for loop index. For consistency, the name
of local variable for the number of data block should be plural.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08 14:50:42 +02:00
Takashi Sakamoto
02394af3e0 ALSA: firewire-lib: code refactoring for post operation to data block counter
As a result of former commits, post operation to data block count for
cases without CIP_DBC_IS_END_EVENT can be done just with
data_block_counter member of amdtp_stream structure.

This commit adds code refactoring to obsolete local variable for
data block counter.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08 14:50:41 +02:00
Takashi Sakamoto
b8b0e24c22 ALSA: firewire-lib: code refactoring for error path of parser for CIP header
When a parser for CIP header returns -EAGAIN, no extra care is needed
to probe tracepoints event.

This commit adds code refactoring for the error path.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08 14:50:40 +02:00
Takashi Sakamoto
213fa98981 ALSA: firewire-lib: fix different data block counter between probed event and transferred isochronous packet
For IT context, tracepoints event is probed after calculating next data
block counter. This brings difference of data block counter between
the probed event and actual isochronous packet.

This commit fixes it.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08 14:50:40 +02:00
Takashi Sakamoto
4ece7f6fd8 ALSA: firewire-lib: fix initial value of data block count for IR context without CIP_DBC_IS_END_EVENT
For IR context, ALSA IEC 61883-1/6 engine uses initial value of data
block counter as UINT_MAX, to detect first isochronous packet in the
middle of packet streaming.

At present, when CIP_DBC_IS_END_EVENT is not used (i.e. for drivers except
for ALSA fireworks driver), the initial value is used as is for
tracepoints event. However, the engine can detect the value of dbc field
in the payload of first isochronous packet and the value should be assigned
to the event.

This commit fixes the bug.

Fixes: 76864868db ("ALSA: firewire-lib: cache next data_block_counter after probing tracepoints event for IR context")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08 14:50:38 +02:00
Takashi Sakamoto
7fbf909668 ALSA: firewire-lib/fireface: fix initial value of data block counter for IR context with CIP_NO_HEADER
For IR context, ALSA IEC 61883-1/6 engine uses initial value of data
block counter as UINT_MAX, to detect first isochronous packet in the
middle of packet streaming.

At present, when CIP_NO_HEADER is used (i.e. for ALSA fireface driver),
the initial value is used for tracepoints event. 0x00 should be
for the event when the initial value is UINT_MAX because isochronous
packets with CIP_NO_HEADER option has no field for data block count.

This commit fixes the bug.

Fixes: 76864868db ("ALSA: firewire-lib: cache next data_block_counter after probing tracepoints event for IR context")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08 14:50:37 +02:00
Takashi Sakamoto
0ebf3ceb83 ALSA: firewire-lib: fix invalid length of rx packet payload for tracepoint events
Although CIP header is handled as context header, the length of isochronous
packet includes two quadlets for its payload. In tracepoints event the
value of payload_quadlets should includes the two quadlets. But at present
it doesn't.

This commit fixes the bug.

Fixes: b18f0cfaf1 ("ALSA: firewire-lib: use 8 byte packet header for IT context to separate CIP header from CIP payload")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08 14:50:36 +02:00
Takashi Iwai
3c53c6255d ASoC: Updates for v5.3
This is a very big update, mainly thanks to Morimoto-san's refactoring
 work and some fairly large new drivers.
 
  - Lots more work on moving towards a component based framework from
    Morimoto-san.
  - Support for force disconnecting muxes from Jerome Brunet.
  - New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90, Conexant
    CX2072X, Realtek RT1011 and RT1308.
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Merge tag 'asoc-v5.3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v5.3

This is a very big update, mainly thanks to Morimoto-san's refactoring
work and some fairly large new drivers.

 - Lots more work on moving towards a component based framework from
   Morimoto-san.
 - Support for force disconnecting muxes from Jerome Brunet.
 - New drivers for Cirrus Logic CS47L35, CS47L85 and CS47L90, Conexant
   CX2072X, Realtek RT1011 and RT1308.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-08 14:45:34 +02:00
Takashi Sakamoto
ba18ca2b8e firewire-motu: fix wrong reference count for stream functionality at error path of rawmidi interface
In IEC 61883-6, several types of sampling data can be multiplexed into
payload of common isochronous packet (CIP). For typical audio and music
units, PCM samples and MIDI messages are multiplexed into one packet
streaming.

ALSA firewire-motu driver allows applications of rawmidi interface to
start packet streaming for transmission of MIDI messages. However at
error path, the reference count of stream functionality is not operated
correctly. This can brings a bug that packet streaming is not stopped
when all referrers release the count.

This commit fixes the bug.

Fixes: 8edc56ec8f ("ALSA: firewire-motu: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07 11:19:58 +02:00
Takashi Sakamoto
64582c56a9 ALSA: firewire-digi00x: fix wrong reference count for stream functionality at error path of rawmidi interface
In IEC 61883-6, several types of sampling data can be multiplexed into
payload of common isochronous packet (CIP). For typical audio and music
units, PCM samples and MIDI messages are multiplexed into one packet
streaming.

ALSA firewire-digi00x driver allows applications of rawmidi interface to
start packet streaming for transmission of MIDI messages. However at
error path, the reference count of stream functionality is not operated
correctly. This can brings a bug that packet streaming is not stopped
when all referrers release the count.

This commit fixes the bug.

Fixes: ae8ffbb265 ("ALSA: firewire-digi00x: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07 11:19:57 +02:00
Takashi Sakamoto
e79c3f0c00 ALSA: dice: fix wrong reference count for stream functionality at error path of rawmidi interface
In IEC 61883-6, several types of sampling data can be multiplexed into
payload of common isochronous packet (CIP). For typical audio and music
units, PCM samples and MIDI messages are multiplexed into one packet
streaming.

ALSA dice driver allows applications of rawmidi interface to start
packet streaming for transmission of MIDI messages. However at error
path, the reference count of stream functionality is not operated
correctly. This can brings a bug that packet streaming is not stopped
when all referrers release the count.

This commit fixes the bug.

Fixes: 3cd2c2d780 ("ALSA: dice: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07 11:19:57 +02:00
Takashi Sakamoto
03a954aef7 ALSA: oxfw: fix wrong reference count for stream functionality at error path of rawmidi interface
In IEC 61883-6, several types of sampling data can be multiplexed into
payload of common isochronous packet (CIP). For typical audio and music
units, PCM samples and MIDI messages are multiplexed into one packet
streaming.

ALSA oxfw driver allows applications of rawmidi interface to start
packet streaming for transmission of MIDI messages. However at error
path, the reference count of stream functionality is not operated
correctly. This can brings a bug that packet streaming is not stopped
when all referrers release the count.

This commit fixes the bug.

Fixes: 4f380d0070 ("ALSA: oxfw: configure packet format in pcm.hw_params callback")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07 11:19:56 +02:00
Takashi Sakamoto
2e9f17e34e ALSA: fireworks: fix wrong reference count for stream functionality at error path of rawmidi interface
In IEC 61883-6, several types of sampling data can be multiplexed into
payload of common isochronous packet (CIP). For typical audio and music
units, PCM samples and MIDI messages are multiplexed into one packet
streaming.

ALSA fireworks driver allows applications of rawmidi interface to start
packet streaming for transmission of MIDI messages. However at error
path, the reference count of stream functionality is not operated
correctly. This can brings a bug that packet streaming is not stopped
when all referrers release the count.

This commit fixes the bug.

Fixes: 3d7250667e ("ALSA: fireworks: configure sampling transfer frequency in pcm.hw_params callback")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07 11:19:56 +02:00
Takashi Sakamoto
097f8ba387 ALSA: bebob: fix wrong reference count for stream functionality at error path of rawmidi interface
In IEC 61883-6, several types of sampling data can be multiplexed into
payload of common isochronous packet (CIP). For typical audio and music
units, PCM samples and MIDI messages are multiplexed into one packet
streaming.

ALSA bebob driver allows applications of rawmidi interface to start
packet streaming for transmission of MIDI messages. However at error
path, the reference count of stream functionality is not operated
correctly. This can brings a bug that packet streaming is not stopped
when all referrers release the count.

This commit fixes the bug.

Fixes: ac2888b958 ("ALSA: bebob: configure sampling transfer frequency in pcm.hw_params callback")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-07 11:19:55 +02:00
Takashi Iwai
b5c21c8470 Merge branch 'for-linus' into for-next
This back-merge is necessary for adjusting the latest FireWire fix
with the recent refactoring in 5.3 development branch.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-01 17:01:55 +02:00
Takashi Sakamoto
7fbd1753b6 ALSA: firewire-lib/fireworks: fix miss detection of received MIDI messages
In IEC 61883-6, 8 MIDI data streams are multiplexed into single
MIDI conformant data channel. The index of stream is calculated by
modulo 8 of the value of data block counter.

In fireworks, the value of data block counter in CIP header has a quirk
with firmware version v5.0.0, v5.7.3 and v5.8.0. This brings ALSA
IEC 61883-1/6 packet streaming engine to miss detection of MIDI
messages.

This commit fixes the miss detection to modify the value of data block
counter for the modulo calculation.

For maintainers, this bug exists since a commit 18f5ed365d ("ALSA:
fireworks/firewire-lib: add support for recent firmware quirk") in Linux
kernel v4.2. There're many changes since the commit.  This fix can be
backported to Linux kernel v4.4 or later. I tagged a base commit to the
backport for your convenience.

Besides, my work for Linux kernel v5.3 brings heavy code refactoring and
some structure members are renamed in 'sound/firewire/amdtp-stream.h'.
The content of this patch brings conflict when merging -rc tree with
this patch and the latest tree. I request maintainers to solve the
conflict to replace 'tx_first_dbc' with 'ctx_data.tx.first_dbc'.

Fixes: df075feefb ("ALSA: firewire-lib: complete AM824 data block processing layer")
Cc: <stable@vger.kernel.org> # v4.4+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-07-01 16:59:02 +02:00
Takashi Sakamoto
973b059ca9 ALSA: firewire-lib: fix to process MIDI conformant data channel for AM824 format
In IEC 61883-6, 8 MIDI data streams are multiplexed into single MIDI
conformant data channel. The index of stream is calculated by modulo 8
of the value of data block counter. Therefore data block processing
layer requires valid value of data block counter.

In recent changes of ALSA IEC 61883-1/6 engine, the value of data block
counter is changed before calling data block processing layer. This
brings miss detection of MIDI messages in non-blocking transmission
method is used.

This commit fixes the bug by changing chached data block counter after
calling data block processing layer.

Fixes: e335425b65 ("ALSA: firewire-lib: split helper function to check incoming CIP header")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-28 10:54:52 +02:00
Takashi Sakamoto
76864868db ALSA: firewire-lib: cache next data_block_counter after probing tracepoints event for IR context
For debugging purpose, ALSA IEC 61883-1/6 engine has tracepoints event.
In current implementation, next data block counter is stored as current
data block counter before probing the event for IR isoc context. It's not
good to check current packet parameter.

This commit changes to assign the next data block counter after probing
the event.

Besides, Fireworks devices has a quirk to transfer isoc packet with
data block counter for the last data block. For this quirk, the
assignment is done before calling data block processing layer.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-28 10:54:52 +02:00
Takashi Sakamoto
c5dfd4b885 ALSA: firewire-motu: unify common tracepoints for both direction
In ALSA firewire-motu driver, some tracepoints are supported to probe
vendor-specific data fields for SPH and status/control messages in
payload of isochronous packet. At present, the events of tracepoints
are unique each of direction, however the pair of events has the
same structure and print format. It's possible to unify the pair.

This commit unifies the pair. From userspace, direction is specified
by filtering for src/dst fields in the structure.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-24 12:10:52 +02:00
Takashi Sakamoto
eee22af1ed Revert "ALSA: firewire-lib: fix inverted node IDs for amdtp_packet events"
This reverts commit e703965a12.

When creating this patch, I compared the value of src field to the
value of first byte of cip_header field (SID) in tracing event.
But in this test I used a device which has a quirk to transfer
isochronous packet with invalid SID. The original change is valid.

Fixes: e703965a12 ("ALSA: firewire-lib: fix inverted node IDs for amdtp_packet events")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-24 12:10:41 +02:00
Takashi Sakamoto
3f2ce83ddb ALSA: oxfw: ensure to release isochronous resources in pcm.hw_params callback
When stopping packet streaming in reserve function for duplex streams,
isochronous resources should be released.

Fixes: 7bc93821a7 ("ALSA: firewire-lib: split allocation of isochronous resources from establishment of connection")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-21 11:47:11 +02:00
Takashi Sakamoto
a9679dd31d ALSA: fireworks: ensure to release isochronous resources in pcm.hw_params callback
When stopping packet streaming in reserve function for duplex streams,
isochronous resources should be released.

Fixes: 7bc93821a7 ("ALSA: firewire-lib: split allocation of isochronous resources from establishment of connection")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-21 11:47:10 +02:00
Takashi Sakamoto
7599e279c0 ALSA: bebob: ensure to release isochronous resources in pcm.hw_params callback
When stopping packet streaming in reserve function for duplex streams,
isochronous resources should be released.

Fixes: 7bc93821a7 ("ALSA: firewire-lib: split allocation of isochronous resources from establishment of connection")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-21 11:47:09 +02:00
Takashi Sakamoto
740680f22d ALSA: dice: unify stop and release method for duplex streams
>From callbacks for pcm and rawmidi interfaces, the functions to stop
and release duplex streams are called at the same time. This commit
merges the two functions.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-21 11:47:06 +02:00
Takashi Sakamoto
b9434540dd ALSA: firewire-digi00x: unify stop and release method for duplex streams
>From callbacks for pcm and rawmidi interfaces, the functions to stop
and release duplex streams are called at the same time. This commit
merges the two functions.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-21 11:47:04 +02:00
Takashi Sakamoto
eccd895c99 ALSA: firewire-motu: unify stop and release method for duplex streams
>From callbacks for pcm and rawmidi interfaces, the functions to stop
and release duplex streams are called at the same time. This commit
merges the two functions.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-21 11:47:02 +02:00
Takashi Sakamoto
af26bacc1c ALSA: fireface: unify stop and release method for duplex streams
>From callbacks for pcm and rawmidi interfaces, the functions to stop
and release duplex streams are called at the same time. This commit
merges the two functions.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-21 11:47:00 +02:00
Takashi Sakamoto
9628fc82f9 ALSA: firewire-tascam: unify stop and release method for duplex streams
>From callbacks for pcm and rawmidi interfaces, the functions to stop
and release duplex streams are called at the same time. This commit
merges the two functions.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-21 11:46:58 +02:00
Takashi Sakamoto
15d472ecc5 ALSA: firewire-motu: code refactoring for pcm.hw_params/hw_free callbacks
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both
direction have no differences.

This commit unifies the pairs.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:32 +02:00
Takashi Sakamoto
2d103420c6 ALSA: firewire-motu: update isochronous resources when starting packet streaming after bus-reset
After bus reset, isochronous resource manager releases all of allocated
isochronous resources. The nodes to transfer isochronous packet should
request reallocation of the resources.

However, between the bus-reset and invocation of 'struct fw_driver.update'
handler, ALSA PCM application can detect this situation by XRUN because
the target device cancelled to transmit packets once bus-reset occurs.

Due to the above mechanism, ALSA fireface driver just stops packet
streaming in the update handler, thus pcm.prepare handler should
request the reallocation.

This commit requests the reallocation in pcm.prepare callback when
bus generation is changed.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:32 +02:00
Takashi Sakamoto
8edc56ec8f ALSA: firewire-motu: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks
Once allocated, isochronous resources are available for packet
streaming, even if the streaming is cancelled. For this reason,
current implementation handles allocation of the resources and
starting packet streaming at the same time. However, this brings
complicated procedure to start packet streaming.

This commit separates the allocation and starting. The allocation is
done in pcm.hw_params callback and available till pcm.hw_free callback.
Even if any XRUN occurs, pcm.prepare callback is done to restart
packet streaming without releasing/allocating the resources.

There are two points to stop packet streaming; in pcm.hw_params and
pcm.prepare callbacks. The former point is a case that packet streaming
is already started for any MIDI substream then packet streaming is
requested with different sampling transfer frequency for any PCM
substream. The latter point is cases of any XRUN or packet queueing
error.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:31 +02:00
Takashi Sakamoto
ec694fba2a ALSA: firewire-motu: code refactoring to finish streaming session
The operation to finish packet streaming includes stopping isochronous
contexts. This commit merges it to the helper function.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:30 +02:00
Takashi Sakamoto
e63a15185a ALSA: firewire-motu: minor code refactoring to stop isochronous context
The helper function to stop isochronous context is superfluous. This
commit removes it with simpler codes.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:30 +02:00
Takashi Sakamoto
b66ab1428e ALSA: firewire-motu: rename helper functions to begin/finish streaming session
Like the other drivers in ALSA firewire stack, this commit renames
functions to begin/finish packet streaming.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:29 +02:00
Takashi Sakamoto
fc49769af4 ALSA: firewire-motu: code refactoring for condition to stop streaming
In snd_motu_stream_start_duplex() function, there're two points to stop
packet streaming, however they can be merged.  This commit merges them.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:28 +02:00
Takashi Sakamoto
8350132e39 ALSA: firewire-motu: add helper function to keep isochronous resources
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

This commit adds a helper function to allocate isochronous resources.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:28 +02:00
Takashi Sakamoto
f6341db65a ALSA: firewire-motu: unify midi callback function
Two sets of callbacks for rawmidi.open/close but they have the same
codes. This commit unifies each of the callbacks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:27 +02:00
Takashi Sakamoto
18f26034be ALSA: firewire-motu: unify the count of subscriber for packet streaming
Two counters are used to maintain isochronous packet streaming for both
directions. However, like the other drivers, they can be replaced with
one counter. This commit unifies them.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-18 08:45:26 +02:00
Takashi Sakamoto
7bc93821a7 ALSA: firewire-lib: split allocation of isochronous resources from establishment of connection
In current implementation, establishment connection corresponds to
allocation of isochronous resources. Although this is an ideal
implementation of CMP described in IEC 61883-1, it's not enough
efficient to recover PCM substream multiplexed in packet streaming.
The packet streaming can always restart on the same allocated
isochronous resources even if the previous packet streaming
corrupted.

This commit splits allocation of isochronous resources from
establishment of connection so that CMP runs with allocated
isochronous resources.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-17 08:18:36 +02:00
Takashi Sakamoto
c6b84ffbd5 ALSA: fireworks: change the range of critical section for stream data in PCM.hw_free callback
The operation of duplex streams should be in critical section.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-17 08:18:36 +02:00
Takashi Sakamoto
d173265ae3 ALSA: bebob: code refactoring for error path to start duplex stream
This commit removes useless procedures to stop packet streaming.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-17 08:18:35 +02:00
Takashi Sakamoto
5e818ac21f ALSA: bebob: change the range of critical section for stream data in PCM.hw_free callback
The operation of duplex streams should be in critical section.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-17 08:18:35 +02:00
Takashi Sakamoto
73f7864eb5 ALSA: bebob: code refactoring for callback function to rawmidi interface
The pairs of rawmidi.hw_params callback functions and .hw_free callback
functions for both direction have no differences.

This commit unifies the pairs.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-17 08:18:34 +02:00
Takashi Sakamoto
f69fc17947 ALSA: bebob: code rafactoring for callback functions to PCM interface
The pairs of pcm.hw_params callback functions and .hw_free callback
functions for both direction have no differences.

This commit unifies the pairs.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-17 08:18:34 +02:00
Linus Torvalds
bcb46a0e0e sound fixes for 5.2-rc5
you might feel like a deja vu to receive a bulk of changes at rc5,
 and it happens again; we've got a collection of fixes for ASoC.
 Most of fixes are targeted for the newly merged SOF (Sound Open
 Firmware) stuff and the relevant fixes for Intel platforms.
 
 Other than that, there are a few regression fixes for the recent
 ASoC core changes and HD-audio quirk, as well as a couple of
 FireWire fixes and for other ASoC codecs.
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Merge tag 'sound-5.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "It might feel like deja vu to receive a bulk of changes at rc5, and it
  happens again; we've got a collection of fixes for ASoC. Most of fixes
  are targeted for the newly merged SOF (Sound Open Firmware) stuff and
  the relevant fixes for Intel platforms.

  Other than that, there are a few regression fixes for the recent ASoC
  core changes and HD-audio quirk, as well as a couple of FireWire fixes
  and for other ASoC codecs"

* tag 'sound-5.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (54 commits)
  Revert "ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops"
  ALSA: ice1712: Check correct return value to snd_i2c_sendbytes (EWS/DMX 6Fire)
  ALSA: oxfw: allow PCM capture for Stanton SCS.1m
  ALSA: firewire-motu: fix destruction of data for isochronous resources
  ASoC: Intel: sst: fix kmalloc call with wrong flags
  ASoC: core: Fix deadlock in snd_soc_instantiate_card()
  SoC: rt274: Fix internal jack assignment in set_jack callback
  ALSA: hdac: fix memory release for SST and SOF drivers
  ASoC: SOF: Intel: hda: use the defined ppcap functions
  ASoC: core: move DAI pre-links initiation to snd_soc_instantiate_card
  ASoC: Intel: cht_bsw_rt5672: fix kernel oops with platform_name override
  ASoC: Intel: cht_bsw_nau8824: fix kernel oops with platform_name override
  ASoC: Intel: bytcht_es8316: fix kernel oops with platform_name override
  ASoC: Intel: cht_bsw_max98090: fix kernel oops with platform_name override
  ASoC: sun4i-i2s: Add offset to RX channel select
  ASoC: sun4i-i2s: Fix sun8i tx channel offset mask
  ASoC: max98090: remove 24-bit format support if RJ is 0
  ASoC: da7219: Fix build error without CONFIG_I2C
  ASoC: SOF: Intel: hda: Fix COMPILE_TEST build error
  ASoC: SOF: fix DSP oops definitions in FW ABI
  ...
2019-06-14 05:37:06 -10:00
Takashi Sakamoto
c72d3a0a93 ALSA: dice: fix compiler warning due to returning uninitialized value
This commit fixes the warning due to returning uninitialized value
from start_streams() helper function.

   sound/firewire/dice/dice-stream.c: In function 'start_streams.isra.0':
>> sound/firewire/dice/dice-stream.c:350:6: warning: 'err' may be used uninitialized in this function [-Wmaybe-uninitialized]
     int err;
         ^~~

Reported-by: kbuild test robot <lkp@intel.com>
Fixes: 3cd2c2d780 ("ALSA: dice: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-13 06:59:09 +02:00
Takashi Sakamoto
0356ce3add ALSA: oxfw: configure stream parameter in pcm.hw_params callback
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

This commit splits out an operation to configure stream parameters into
pcm.hw_params callback. In pcm.prepare callback, establishing
connections and start isochronous contexts.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:27:01 +02:00
Takashi Sakamoto
4f380d0070 ALSA: oxfw: configure packet format in pcm.hw_params callback
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

At present, several operations are done in pcm.prepare callback. To
reduce load of the callback, This commit splits out an operation to
set packet format in pcm.hw_params callback.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:27:00 +02:00
Takashi Sakamoto
4a0a04729a ALSA: oxfw: unify substreams counter
In former commits, two isochronous contexts are handles at the same
time. This commit unifies stream counters to obsolete them.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:58 +02:00
Takashi Sakamoto
779f0dba0b ALSA: oxfw: rename helper functions for duplex streams
In former commits, ALSA oxfw driver handles two isochronous contexts
at the same time, except for some devices which supports one endpoint
of isochronous packet stream.

This commit renames some helper functions so that they handles duplex
streams.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:57 +02:00
Takashi Sakamoto
e34244dd22 ALSA: oxfw: expand stop procedure for packet streaming
The helper function stop packet streaming is not enough useful. This
commit obsoletes it and expands its code.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:56 +02:00
Takashi Sakamoto
7efa19ab48 ALSA: oxfw: break packet streaming at bus-reset handler
In most cases, recovery from bus reset is not successful. This commit
aborts packet streaming in bus reset handler.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:56 +02:00
Takashi Sakamoto
20358d4460 ALSA: oxfw: start duplex streams if supported
It's inconvenient to handle two isochronous context separately
each other. This commit unifies the counters to handle the two
at the same time.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:55 +02:00
Takashi Sakamoto
521b2e11fa ALSA: oxfw: set packet parameter according to current configuration
After a call of pcm.hw_params, the state of target device is expected
for applications. This commit retrieves the state and start packet
streaming.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:55 +02:00
Takashi Sakamoto
da2af86d51 ALSA: oxfw: code refactoring for stop condition of packet streaming
This commit unifies stop condition due to queueing error and unmatched
state of the target device.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:54 +02:00
Takashi Sakamoto
5ad840728a ALSA: fireworks: don't set XRUN in stop streaming
When stopping packet streaming, no need to stop PCM substream with XRUN
state. This commit suppresses it.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:53 +02:00
Takashi Sakamoto
206cf896d6 ALSA: fireworks: configure stream parameters in pcm.hw_params callback
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

This commit splits out an operation to configure stream parameters into
pcm.hw_params callback. In pcm.prepare callback, establishing
connections and start isochronous contexts.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:53 +02:00
Takashi Sakamoto
3d7250667e ALSA: fireworks: configure sampling transfer frequency in pcm.hw_params callback
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

At present, several operations are done in pcm.prepare callback. To
reduce load of the callback, This commit splits out an operation to
set sampling transfer frequency in pcm.hw_params callback.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:52 +02:00
Takashi Sakamoto
fb56eb73c6 ALSA: fireworks: code refactoring for pcm.hw_params/hw_free
Two sets of callbacks for pcm.hw_params/hw_free but they have the same
codes. This commit unifies each of the callbacks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:51 +02:00
Takashi Sakamoto
add147ad55 ALSA: fireworks: code refactoring for rawmidi.open/close
Two sets of callbacks for rawmidi.open/close but they have the same
codes. This commit unifies each of the callbacks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:50 +02:00
Takashi Sakamoto
1dc5921082 ALSA: fireworks: unify substream counter
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

It's inconvenient to handle two isochronous context separately
each other. This commit unifies the counters to handle the two
at the same time.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:49 +02:00
Takashi Sakamoto
33e41a5ce5 ALSA: bebob: code refactoring to initialize/destroy stream data
This commit changes helper functions to initialize/destroy stream
data so that it has an argument for direction.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:49 +02:00
Takashi Sakamoto
87a23092dd ALSA: bebob: obsolete useless member of private structure
The private structure of this driver has 'connected' member but nowadays
it's useless. This commit removes it.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:48 +02:00
Takashi Sakamoto
83122f85d4 ALSA: bebob: don't set XRUN in stop streaming
When stopping packet streaming, no need to stop PCM substream with XRUN
state. This commit suppresses it.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:47 +02:00
Takashi Sakamoto
ac2888b958 ALSA: bebob: configure sampling transfer frequency in pcm.hw_params callback
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

At present, several operations are done in pcm.prepare callback. To
reduce load of the callback, This commit splits out an operation to
set sampling transfer frequency in pcm.hw_params callback.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-12 15:26:46 +02:00
Takashi Sakamoto
4dbf4f44cf ALSA: dice: code refactoring for pcm.hw_params/hw_free callbacks
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both
direction have no differences.

This commit unifies the pairs.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:11 +02:00
Takashi Sakamoto
d5553026b5 ALSA: dice: update isochronous resources when starting packet streaming after bus-reset
After bus reset, isochronous resource manager releases all of allocated
isochronous resources. The nodes to transfer isochronous packet should
request reallocation of the resources.

However, between the bus-reset and invocation of 'struct fw_driver.update'
handler, ALSA PCM application can detect this situation by XRUN because
the target device cancelled to transmit packets once bus-reset occurs.

Due to the above mechanism, ALSA fireface driver just stops packet
streaming in the update handler, thus pcm.prepare handler should
request the reallocation.

This commit requests the reallocation in pcm.prepare callback when
bus generation is changed.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:10 +02:00
Takashi Sakamoto
3cd2c2d780 ALSA: dice: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks
Once allocated, isochronous resources are available for packet
streaming, even if the streaming is cancelled. For this reason,
current implementation handles allocation of the resources and
starting packet streaming at the same time. However, this brings
complicated procedure to start packet streaming.

This commit separates the allocation and starting. The allocation is
done in pcm.hw_params callback and available till pcm.hw_free callback.
Even if any XRUN occurs, pcm.prepare callback is done to restart
packet streaming without releasing/allocating the resources.

There are two points to stop packet streaming; in pcm.hw_params and
pcm.prepare callbacks. The former point is a case that packet streaming
is already started for any MIDI substream then packet streaming is
requested with different sampling transfer frequency for any PCM
substream. The latter point is cases of any XRUN or packet queueing
error.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:09 +02:00
Takashi Sakamoto
c738aed136 ALSA: dice: code refactoring to keep isochronous resources
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

This commit adds a helper function to allocate isochronous resources,
separated from operations to start packet streaming, I note that some
dice-based devices have two pair of endpoints for isochronous packet
straeming.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:08 +02:00
Takashi Sakamoto
b3480638a5 ALSA: dice: code refactoring to stop packet streaming
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

There're three points to finish packet streaming but no helper
functions for common operations for it. This commit adds a helper
function for operations to finish packet streaming.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:07 +02:00
Takashi Sakamoto
478f3a56dc ALSA: firewire-digi00x: code refactoring for pcm.hw_params/hw_free callbacks
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both
direction have no differences.

This commit unifies the pairs.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:07 +02:00
Takashi Sakamoto
24bb77b3ff ALSA: firewire-digi00x: update isochronous resources when starting packet streaming after bus-reset
After bus reset, isochronous resource manager releases all of allocated
isochronous resources. The nodes to transfer isochronous packet should
request reallocation of the resources.

However, between the bus-reset and invocation of 'struct fw_driver.update'
handler, ALSA PCM application can detect this situation by XRUN because
the target device cancelled to transmit packets once bus-reset occurs.

Due to the above mechanism, ALSA fireface driver just stops packet
streaming in the update handler, thus pcm.prepare handler should
request the reallocation.

This commit requests the reallocation in pcm.prepare callback when
bus generation is changed.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:06 +02:00
Takashi Sakamoto
ae8ffbb265 ALSA: firewire-digi00x: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks
Once allocated, isochronous resources are available for packet
streaming, even if the streaming is cancelled. For this reason,
current implementation handles allocation of the resources and
starting packet streaming at the same time. However, this brings
complicated procedure to start packet streaming.

This commit separates the allocation and starting. The allocation is
done in pcm.hw_params callback and available till pcm.hw_free callback.
Even if any XRUN occurs, pcm.prepare callback is done to restart
packet streaming without releasing/allocating the resources.

There are two points to stop packet streaming; in pcm.hw_params and
pcm.prepare callbacks. The former point is a case that packet streaming
is already started for any MIDI substream then packet streaming is
requested with different sampling transfer frequency for any PCM
substream. The latter point is cases of any XRUN or packet queueing
error.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:05 +02:00
Takashi Sakamoto
ad30650547 ALSA: firewire-digi00x: code refactoring to keep isochronous resources
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

All of models in Digidesign Digi00x family have the same formation of
data channels in isochronous packet for both directions. This commit
simplifies allocation of isochronous resources in this point.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:04 +02:00
Takashi Sakamoto
638e19fc46 ALSA: firewire-digi00x: simplify error path to begin streaming session
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

The caller of begin_session() calls finish_session() in its error path,
thus no need to call finish_session() in error path of begin_session().

This commit simplifies error path of begin_session().

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:04 +02:00
Takashi Sakamoto
d18b0a6e42 ALSA: firewire-digi00x: code refactoring to finish streaming session
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

The operation to finish packet streaming corresponds to stopping
isochronous contexts. This commit applies code refactoring to
move codes to stop into a helper function to finish the session.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:03 +02:00
Takashi Sakamoto
6bc9322936 ALSA: firewire-digi00x: refactoring to move timing of registration for isochronous channel
This commit is a part of preparation to perform allocation/release
of isochronous resources in pcm.hw_params/hw_free callbacks.

The registration of isochronous channels is done just after allocation
of isochronous resources. This commit separates the registration just
before starting packet streaming.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 16:02:03 +02:00
Takashi Sakamoto
d8fa87c368 ALSA: oxfw: allow PCM capture for Stanton SCS.1m
Stanton SCS.1m can transfer isochronous packet with Multi Bit Linear
Audio data channels, therefore it allows software to capture PCM
substream. However, ALSA oxfw driver doesn't.

This commit changes the driver to add one PCM substream for capture
direction.

Fixes: de5126cc3c ("ALSA: oxfw: add stream format quirk for SCS.1 models")
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:48:10 +02:00
Takashi Sakamoto
49f621fe3c ALSA: fireface: code refactoring for pcm.hw_params/hw_free callbacks
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both
direction have no differences.

This commit unifies the pairs.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:27 +02:00
Takashi Sakamoto
f55e2a8979 ALSA: fireface: minor code refactoring to finish streaming session
The operation to finish packet streaming corresponds to stopping
isochronous contexts.

This commit applies code refactoring to move codes to stop into
a helper function to finish the session.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:26 +02:00
Takashi Sakamoto
b88f4d7c38 ALSA: fireface: update isochronous resources when starting packet streaming after bus-reset
After bus reset, isochronous resource manager releases all of allocated
isochronous resources. The nodes to restart packet streaming should
request reallocation of the resources.

However, between the bus-reset and invocation of 'struct fw_driver.update'
handler, ALSA PCM application can detect this situation by XRUN because
the target device cancelled to transmit packets once bus-reset occurs.

Due to the above mechanism, ALSA fireface driver just stops packet
streaming in the update handler, thus pcm.prepare handler should
request the reallocation.

This commit requests the reallocation in pcm.prepare callback when
bus generation is changed.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:25 +02:00
Takashi Sakamoto
55162d2bb0 ALSA: fireface: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks
Once allocated, isochronous resources are available for packet
streaming, even if the streaming is cancelled. For this reason,
current implementation handles allocation of the resources and
starting packet streaming at the same time. However, this brings
complicated procedure to start packet streaming.

This commit separates the allocation and starting. The allocation is
done in pcm.hw_params callback and available till pcm.hw_free callback.
Even if any XRUN occurs, pcm.prepare callback is done to restart
packet streaming for allocated the resources.

There are two points to stop packet streaming; in pcm.hw_params and
pcm.prepare callbacks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:24 +02:00
Takashi Sakamoto
60aec494b3 ALSA: fireface: support allocate_resources operation in latter protocol
This commit is a part of preparation to perform allocation/release
of isochronous channels in pcm.hw_params/hw_free callbacks.

This commit implements allocate_resources callback for the protocol
specific to latter models. The encoded values of constant table is
split into several condition statements to separate the operation
to configure sampling transfer frequency from the operation to
configure the number of data channels in rx packet.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:24 +02:00
Takashi Sakamoto
75be43d97f ALSA: fireface: support allocate_resources operation in ff400 protocol
This commit is a part of preparation to perform allocation/release
of isochronous channels in pcm.hw_params/hw_free callbacks.

This commit implements allocate_resources callback for ff400 protocol.
In this callback, sampling transfer frequency is configured to the
device as well.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:23 +02:00
Takashi Sakamoto
ca8159a8e6 ALSA: fireface: support allocate_resources operation in ff800 protocol
This commit is a part of preparation to perform allocation/release
of isochronous channels in pcm.hw_params/hw_free callbacks.

This commit implements allocate_resources callback for ff800 protocol.
As I noted in commit fc716397a5 ("ALSA: fireface: add support for
packet streaming on Fireface 800"), this unit allocates isochronous
resources for tx stream voluntarily. Therefore, this commit is to
maintain isochronous rsources for rx stream. In the callback,
sampling transfer frequency is configured to the device as well.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:23 +02:00
Takashi Sakamoto
47b87c8ed0 ALSA: fireface: add protocol-specific operation to allocate isochronous resources
This commit is a part of preparation to perform allocation/release
of isochronous channels in pcm.hw_params/hw_free callbacks.

In ALSA fireface driver, the allocation of isochronous resources is
programmed in each implementation of protocol. This commit adds
protocol-specific operation for the allocation separated from
the operation to begin session.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:22 +02:00
Takashi Sakamoto
d8f291b7b8 ALSA: firewire-tascam: code refactoring for pcm.hw_params/hw_free callbacks
The pairs of pcm.hw_params callbacks and .hw_free callbacks for both
direction have no differences.

This commit unifies the pairs.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:21 +02:00
Takashi Sakamoto
ece92831f0 ALSA: firewire-tascam: minor code refactoring to finish streaming session
The operation to finish packet streaming corresponds to stopping
isochronous contexts.

This commit applies code refactoring to move codes to stop into
a helper function to finish the session.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:21 +02:00
Takashi Sakamoto
a0c049a647 ALSA: firewire-tascam: update isochronous resources when starting packet streaming after bus reset
After bus reset, isochronous resource manager releases all of allocated
isochronous resources. The nodes to restart packet streaming should
request reallocation of the resources.

However, between the bus-reset and invocation of 'struct fw_driver.update'
handler, ALSA PCM application can detect this situation by XRUN because
the target device cancelled to transmit packets once bus-reset occurs.

Due to the above mechanism, ALSA firewire-tascam driver just stops
packet streaming in the update handler, thus pcm.prepare handler
should request the reallocation.

This commit requests the reallocation in pcm.prepare callback when
bus generation is changed.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:20 +02:00
Takashi Sakamoto
07b266424d ALSA: firewire-tascam: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks
Once allocated, isochronous resources are available for packet
streaming, even if the streaming is cancelled. For this reason,
current implementation handles allocation of the resources and
starting packet streaming at the same time. However, this brings
complicated procedure to start packet streaming.

This commit separates the allocation and starting. The allocation is
done in pcm.hw_params callback and available till pcm.hw_free callback.
Even if any XRUN occurs, pcm.prepare callback is done to restart
packet streaming for allocated the resources.

There are two points to stop packet streaming; in pcm.hw_params and
pcm.prepare callbacks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:19 +02:00
Takashi Sakamoto
a364af2eec ALSA: firewire-tascam: code refactoring for release of isochronous resources
This commit is a part of preparation to perform allocation/release
of isochronous channels in pcm.hw_params/hw_free callbacks.

This commit obsoletes a helper function to release isochronous resources
for both direction.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:19 +02:00
Takashi Sakamoto
810b37ff29 ALSA: firewire-tascam: code refactoring for reservation of isochronous resources
This commit is a part of preparation to perform allocation/release
of isochronous channels in pcm.hw_params/hw_free callbacks.

This commit applies minor code refactoring for a helper function to
allocate isochronous resources.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:18 +02:00
Takashi Sakamoto
2ef0b7cf16 ALSA: firewire-tascam: code refactoring for registration of isochronous channels
This commit is a part of preparation to perform allocation/release
of isochronous channels in pcm.hw_params/hw_free callbacks.

The registration of isochronous channels is done just after allocation
of isochronous resources. This commit separates the registration just
before starting packet streaming.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:36:17 +02:00
Takashi Sakamoto
0e3fb6995b ALSA: firewire-motu: fix destruction of data for isochronous resources
The data for isochronous resources is not destroyed in expected place.
This commit fixes the bug.

Cc: <stable@vger.kernel.org> # v4.12+
Fixes: 9b2bb4f2f4 ("ALSA: firewire-motu: add stream management functionality")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-06-11 11:34:04 +02:00
Thomas Gleixner
da607e1969 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 345
Based on 1 normalized pattern(s):

  licensed under the terms of the gnu general public license version 2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 88 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000437.521539229@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:08 +02:00
Linus Torvalds
c5ba171266 sound fixes for 5.2-rc3
No big surprises here, just a few device-specific fixes.
 
 HD-audio received several fixes for Acer, Dell, Huawei and other
 laptops as well as the workaround for the new Intel chipset.
 One significant one-liner fix is the disablement of the node-power
 saving on Realtek codecs, which may potentially cover annoying bugs
 like the background noises or click noises on many devices.
 
 Other than that, a fix for FireWire bit definitions, and another fix
 for LINE6 USB audio bug that was discovered by syzkaller.
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Merge tag 'sound-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "No big surprises here, just a few device-specific fixes.

  HD-audio received several fixes for Acer, Dell, Huawei and other
  laptops as well as the workaround for the new Intel chipset. One
  significant one-liner fix is the disablement of the node-power saving
  on Realtek codecs, which may potentially cover annoying bugs like the
  background noises or click noises on many devices.

  Other than that, a fix for FireWire bit definitions, and another fix
  for LINE6 USB audio bug that was discovered by syzkaller"

* tag 'sound-5.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: fireface: Use ULL suffixes for 64-bit constants
  ALSA: hda/realtek - Improve the headset mic for Acer Aspire laptops
  ALSA: line6: Assure canceling delayed work at disconnection
  ALSA: hda - Force polling mode on CNL for fixing codec communication
  ALSA: hda/realtek - Enable micmute LED for Huawei laptops
  ALSA: hda/realtek - Set default power save node to 0
  ALSA: hda/realtek - Check headset type by unplug and resume
2019-05-30 19:58:59 -07:00
Geert Uytterhoeven
6954158a16 ALSA: fireface: Use ULL suffixes for 64-bit constants
With gcc 4.1:

    sound/firewire/fireface/ff-protocol-latter.c: In function ‘latter_switch_fetching_mode’:
    sound/firewire/fireface/ff-protocol-latter.c:97: warning: integer constant is too large for ‘long’ type
    sound/firewire/fireface/ff-protocol-latter.c: In function ‘latter_begin_session’:
    sound/firewire/fireface/ff-protocol-latter.c:170: warning: integer constant is too large for ‘long’ type
    sound/firewire/fireface/ff-protocol-latter.c:197: warning: integer constant is too large for ‘long’ type
    sound/firewire/fireface/ff-protocol-latter.c:205: warning: integer constant is too large for ‘long’ type
    sound/firewire/fireface/ff-protocol-latter.c: In function ‘latter_finish_session’:
    sound/firewire/fireface/ff-protocol-latter.c:214: warning: integer constant is too large for ‘long’ type

Fix this by adding the missing "ULL" suffixes.
Add the same suffix to the last constant, to maintain consistency.

Fixes: fd1cc9de64 ("ALSA: fireface: add support for Fireface UCX")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-29 12:06:48 +02:00
Takashi Sakamoto
98e3e43b59 ALSA: firewire-lib: refactoring to obsolete IR packet handler
As a result of heavy refactoring based on IR context header, the packet
handler becomes simpler.

This commit merges the packet handler into function for IR context
callback. The logic to parse IR context header and tracepoints event is
split to a function.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-24 11:18:03 +02:00
Takashi Sakamoto
6bc1a2699b ALSA: firewire-lib: refactoring to obsolete IT packet handler
As a result of heavy refactoring based on IT packet header, the packet
handler becomes simpler.

This commit merges the packet handler into function for IT context
callback. The logic to build IT packet header and tracepoints event is
split to a function.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-24 11:18:02 +02:00
Takashi Sakamoto
e703965a12 ALSA: firewire-lib: fix inverted node IDs for amdtp_packet events
The amdtp_packet events have inverted node IDs for src/dst. This commit
fixes the bug.

Fixes: 8d3f1fdf52 ("ALSA: firewire-lib: unify tracing events to 'amdtp_packet' event")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-24 11:18:01 +02:00
Takashi Sakamoto
3c19492315 ALSA: firewire-lib: fix data block counter for incoming packet without CIP header
The value of data block counter is not calculated for incoming packet
without CIP header. This commit fixes the bug.

Fixes: 947b437e12 ("ALSA: firewire-lib: unify packet handler for IR context")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-24 11:18:01 +02:00
Takashi Sakamoto
b18f0cfaf1 ALSA: firewire-lib: use 8 byte packet header for IT context to separate CIP header from CIP payload
In Linux firewire subsystem, for IT context, some quadlets of isochronous
packet payload can be indicated as a part of packet header to queue to
the context.

This commit uses the packet header to split CIP headers from CIP
payload. As a result, regardless of CIP or non-CIP, context payload
includes data blocks only.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-24 09:05:16 +02:00
Takashi Sakamoto
6007bf5460 ALSA: firewire-lib: code refactoring to queueing packets
This commit is a preparation to queue IT packet with header. To enable
packet handler to fill the header, this commit uses kernel stack for
data structure of packet parameter in several part of this file.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-24 09:05:16 +02:00
Takashi Sakamoto
16be458993 ALSA: firewire-lib: unify packet handler for IT context
The handlers for packet with CIP and without CIP include common codes.
This commit unifies them and remove an member for pointer to callback
function from data structure.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-24 09:05:15 +02:00
Takashi Sakamoto
252219c7b3 ALSA: firewire-lib: split helper function to generate CIP header
This is minor code refactoring to split a function to generate CIP
header.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-24 09:05:15 +02:00
Takashi Sakamoto
947b437e12 ALSA: firewire-lib: unify packet handler for IR context
Usage of 16 bytes IR context header allows to handle context payload by
the same code for with-CIP and without-CIP packets.

This commit unifies both handlers of with-CIP and without-CIP packets.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-23 12:19:42 +02:00
Takashi Sakamoto
f11453c7cc ALSA: firewire-lib: use 16 bytes IR context header to separate CIP header
In IR context, some quadlets of packet payload can be included into
context header. This is good for packet with CIP header because the
context payload buffer can includes data blocks only for with-CIP and
without-CIP pakets.

This commit uses 16 bytes IR context header for this purpose.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-23 12:19:41 +02:00
Takashi Sakamoto
e335425b65 ALSA: firewire-lib: split helper function to check incoming CIP header
A parser for CIP header in incoming packet is enough large.

This commit splits it into a helper function to better looks of packet
handler.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-23 12:19:40 +02:00
Takashi Sakamoto
8a400b9996 ALSA: firewire-lib: compute pointer to payload buffer in context handler
The value of pointer to payload buffer is computed in each packet
handler, however the pointer can be decided before call of packet
handler.

This commit adds an argument for the pointer to the packet handler to
reduce codes to compute for the pointer.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-23 12:19:40 +02:00
Takashi Sakamoto
6f3c07d03c ALSA: firewire-lib: calculate the length of packet payload in packet handler
In current packet handler, the length of payload is given as an argument
of callback function, however this value is just required to process
payload of transferred isoc packet, thus just for IR context.

This commit replaces the argument for payload of packet with the
argument of context header. As a result, the length of payload is
computed in packet handler for IR context.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-23 12:19:39 +02:00
Takashi Sakamoto
07ea238ca1 ALSA: firewire-lib: use clear name for variable of CIP header
This commit is to distinguish variable of CIP header from variable of
isochronous context header.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-23 12:19:38 +02:00
Takashi Sakamoto
26cd1e5850 ALSA: firewire-lib: use IT context header to compute cycle count for scheduling packet
In IT context, header includes information of cycle to have processed
queued packet.

This commit uses the per-packet information to compute the cycle for
packet to be queued, instead of callback argument. In current
implementaion of ALSA IEC 61883-1/6 packet streaming engine, 48 packets
are queued at first to skip recent cycle. When IT context calls handler,
cycle information in header plus 48 cycle means the cycle to be going
to queue packet.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-22 12:28:33 +02:00
Takashi Sakamoto
df9160b914 ALSA: firewire-lib: obsolete macro for header of IT context
The header size parameter of 1394 OHCI IT context has no effect.
Besides the header size of queued packet is different from context
header.

This commit cleans codes relevant to these two headers.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-22 12:28:26 +02:00
Takashi Sakamoto
fce9b013fe ALSA: firewire-lib: add helper function to cancel context inner callback handler
In callback handler of isochronous context for both direction, there're
common codes to cancel context.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-22 12:28:16 +02:00
Takashi Sakamoto
d3d10a4a1b ALSA: firewire-lib: use union for directional parameters
Some parameters of struct amdtp_stream is dependent on direction.

This commit uses union for such parameters to distinguish from
common parameters.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-22 12:28:00 +02:00
Thomas Gleixner
ec8f24b7fa treewide: Add SPDX license identifier - Makefile/Kconfig
Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:46 +02:00
Takashi Sakamoto
8d3f1fdf52 ALSA: firewire-lib: unify tracing events to 'amdtp_packet' event
Now four events of this module have the same arguments and probe timing.
This commit adds a new event, 'amdtp_packet', and replace them. Filtering
functionality of tracing framework is available to pick up events for
inbound/outbound isochronous packets.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-21 07:46:56 +02:00
Takashi Sakamoto
bde2bbdb30 ALSA: firewire-lib: use dynamic array for CIP header of tracing events
This modules handles two types of isochronous packet; one has CIP header
in IEC 61883-1/6 and another doesn't. The module also have tracing events
corresponding to the types of packet. To unify the events, one event
should be probed with or without CIP header.

This commit uses dynamic array for the events to be available for the
types of packet.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-21 07:46:50 +02:00
Takashi Sakamoto
a8520f3e93 ALSA: firewire-lib: use the same unit for payload argument in tracing events
The most of tracing event in this module have the size of payload in
byte unit, however 'in_packet_without_header' event have the argument
in quadlet unit.

This commit change the unit for argument to be consistent.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-21 07:46:43 +02:00
Takashi Sakamoto
64d0bf4d49 ALSA: firewire-lib: add data_blocks/data_block_counter parameter to in_packet/out_packet tracing events
Tracing events for packets without CIP header have a parameter of
data_blocks/data_block_counter, but events for packets with CIP header
don't. This is not good to unify these events.

This commit adds the missing parameters to the events. In timing to
probe 'in_packet' event, data_blocks and data_block_counter are not
calculated yet. This commit also changes the timing.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-21 07:46:37 +02:00
Takashi Sakamoto
4a10cecc41 ALSA: firewire-lib: use the same type of argument for CIP header for tracing event
An argument for CIP header in 'in_packet' event is not the same type in
'out_packet' event. This is not good to unify these events.

This commit uses the same type of argument for these events.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-21 07:46:24 +02:00
Takashi Sakamoto
c4580f2097 ALSA: dice: add stream format parameters for PreSonus FireStudio
FireStudio was launched by PreSonus 2009. This model consists of three
ICs for its packet processing on IEEE 1394 bus:

 - Texus Instruments TSB41AB2 for physical layer of IEEE 1394 bus
 - WaveFront semiconductor, Dice II STD ASIC for link layer of IEEE 1394
   bus and protocol layer
 - Xilinx Spartan XG3S500E FPGA for signal processing

This model don't support TCAT extended application protocol. For such
devices, ALSA dice driver needs to have hard-coded parameters for stream
formats.

This commit adds hard-coded table for this model. As a result, sampling
transfer frequencies of 88.2/96.0 kHz are supported. I note that this
patch can be backported to Linux kernel v4.18 and later.

$ python2 crpp < /sys/bus/firewire/devices/fw1/config_rom
               ROM header and bus information block
               -----------------------------------------------------------------
400  04042eda  bus_info_length 4, crc_length 4, crc 11994
404  31333934  bus_name "1394"
408  e0ff8112  irmc 1, cmc 1, isc 1, bmc 0, pmc 0, cyc_clk_acc 255,
               max_rec 8 (512), max_rom 1, gen 1, spd 2 (S400)
40c  000a9204  company_id 000a92     |
410  023a8b7f  device_id 04023a8b7f  | EUI-64 000a9204023a8b7f

               root directory
               -----------------------------------------------------------------
414  000661b6  directory_length 6, crc 25014
418  03000a92  vendor
41c  8100000a  --> descriptor leaf at 444
420  17000008  model
424  8100000d  --> descriptor leaf at 458
428  0c0087c0  node capabilities per IEEE 1394
42c  d1000001  --> unit directory at 430

               unit directory at 430
               -----------------------------------------------------------------
430  00041c75  directory_length 4, crc 7285
434  12000a92  specifier id
438  13000001  version
43c  17000008  model
440  8100000c  --> descriptor leaf at 470

               descriptor leaf at 444
               -----------------------------------------------------------------
444  00047c11  leaf_length 4, crc 31761
448  00000000  textual descriptor
44c  00000000  minimal ASCII
450  50726553  "PreS"
454  6f6e7573  "onus"

               descriptor leaf at 458
               -----------------------------------------------------------------
458  0005d7b3  leaf_length 5, crc 55219
45c  00000000  textual descriptor
460  00000000  minimal ASCII
464  46495245  "FIRE"
468  53545544  "STUD"
46c  494f0000  "IO"

               descriptor leaf at 470
               -----------------------------------------------------------------
470  0005d7b3  leaf_length 5, crc 55219
474  00000000  textual descriptor
478  00000000  minimal ASCII
47c  46495245  "FIRE"
480  53545544  "STUD"
484  494f0000  "IO"

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-05-20 07:46:43 +02:00
Takashi Sakamoto
cc4f8e91c4 ALSA: firewire-lib: use 8 byte header for IR context to get isochronous cycle
In kernel API of Linux FireWire subsystem, handlers of isochronous
receive (IR) context can get context headers as an argument of
callback. When 4 byte header is used, the context header includes
isochronous packet header for each packet. When 8 byte header is
used, it includes isochronous cycle as well.

ALSA IEC 61883-1/6 engine uses 4 byte header, and computes isochronous
cycle from the cycle of interrupt. The usage of 8 byte header can
obsolete the computation.

Furthermore, this change works well for a case that a series of
packet in one interrupt includes skipped isochronous cycle,

This commit uses 8 byte header to handle isochronous cycle.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-03-18 14:50:35 +01:00
Takashi Sakamoto
35033d8cb7 ALSA: firewire-motu: add support MOTU 8pre FireWire
This commit adds support for MOTU 8pre FireWire, which was shipped 2007
and nowadays already discontinued. Userspace applications can transmit
and receive PCM frames and MIDI messages for this model via ALSA PCM
interface and RawMidi/Sequencer interfaces.

Like the other models of MOTU FireWire series, this model has many
quirks in its CIP.

At first, data channels for two pairs of optical interfaces. At lower
sampling transmission frequency, i.e. 44.1 and 48.0 kHz, one pair is
available for ADAT data, thus 8 data chunks are transferred by CIP.
At middle sampling transmission frequency, i.e.  88.2 and 96.0 kHz,
two pairs are available to keep 8 chunks for ADAT data, thus CIP
still includes 8 data chunks.

Apart from data chunks for optical interface, CIP includes fixed number
of data chunks. In tx stream, two chunks for status message, eight
chunks for samples from analog 1-8 input, two chunks for mix-return.
In rx stream, two chunks for control message, two chunks for main 1-2
output, two chunks for phone 1-2 output, two chunks for dummy 1-2.

CIP header in tx stream includes quirks for its dbs and dbc fields.
The value of dbs field is fixed to 0x13, against its actual size.
The value of dbc field is firstly updated to 0x07 from zero, then
it's incremented continuously according to actual number of data h
blocks.

Finally, the model has own bits to disable frame fetch.

This commit uses several options to absorb the above quirks.

$ python2 crpp < /sys/bus/firewire/devices/fw1/config_rom
               ROM header and bus information block
               -----------------------------------------------------------------
400  0410b57d  bus_info_length 4, crc_length 16, crc 46461
404  31333934  bus_name "1394"
408  20001000  irmc 0, cmc 0, isc 1, bmc 0, cyc_clk_acc 0, max_rec 1 (4)
40c  0001f200  company_id 0001f2     |
410  00083dfb  device_id 0000083dfb  | EUI-64 0001f20000083dfb

               root directory
               -----------------------------------------------------------------
414  0004c65c  directory_length 4, crc 50780
418  030001f2  vendor
41c  0c0083c0  node capabilities per IEEE 1394
420  8d000006  --> eui-64 leaf at 438
424  d1000001  --> unit directory at 428

               unit directory at 428
               -----------------------------------------------------------------
428  0003991c  directory_length 3, crc 39196
42c  120001f2  specifier id
430  1300000f  version
434  17103800  model

               eui-64 leaf at 438
               -----------------------------------------------------------------
438  00022681  leaf_length 2, crc 9857
43c  0001f200  company_id 0001f2     |
440  00083dfb  device_id 0000083dfb  | EUI-64 0001f20000083dfb

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-03-18 14:50:16 +01:00
Takashi Sakamoto
2d012c65a9 ALSA: firewire-motu: use 'version' field of unit directory to identify model
Current ALSA firewire-motu driver uses the value of 'model' field
of unit directory in configuration ROM for modalias for MOTU
FireWire models. However, as long as I checked, Pre8 and
828mk3(Hybrid) have the same value for the field (=0x100800).

unit            | version   | model
--------------- | --------- | ----------
828mkII         | 0x000003  | 0x101800
Traveler        | 0x000009  | 0x107800
Pre8            | 0x00000f  | 0x100800 <-
828mk3(FW)      | 0x000015  | 0x106800
AudioExpress    | 0x000033  | 0x104800
828mk3(Hybrid)  | 0x000035  | 0x100800 <-

When updating firmware for MOTU 8pre FireWire from v1.0.0 to v1.0.3,
I got change of the value from 0x100800 to 0x103800. On the other
hand, the value of 'version' field is fixed to 0x00000f. As a quick
glance, the higher 12 bits of the value of 'version' field represent
firmware version, while the lower 12 bits is unknown.

By induction, the value of 'version' field represents actual model.

This commit changes modalias to match the value of 'version' field,
instead of 'model' field. For degug, long name of added sound card
includes hexadecimal value of 'model' field.

Fixes: 6c5e1ac0e1 ("ALSA: firewire-motu: add support for Motu Traveler")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: <stable@vger.kernel.org> # v4.19+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-03-17 08:07:21 +01:00
Takashi Sakamoto
f97a0944a7 ALSA: firewire-motu: fix construction of PCM frame for capture direction
In data blocks of common isochronous packet for MOTU devices, PCM
frames are multiplexed in a shape of '24 bit * 4 Audio Pack', described
in IEC 61883-6. The frames are not aligned to quadlet.

For capture PCM substream, ALSA firewire-motu driver constructs PCM
frames by reading data blocks byte-by-byte. However this operation
includes bug for lower byte of the PCM sample. This brings invalid
content of the PCM samples.

This commit fixes the bug.

Reported-by: Peter Sjöberg <autopeter@gmail.com>
Cc: <stable@vger.kernel.org> # v4.12+
Fixes: 4641c93940 ("ALSA: firewire-motu: add MOTU specific protocol layer")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-02-26 07:11:40 +01:00
Takashi Sakamoto
7dc661bd8d ALSA: bebob: use more identical mod_alias for Saffire Pro 10 I/O against Liquid Saffire 56
ALSA bebob driver has an entry for Focusrite Saffire Pro 10 I/O. The
entry matches vendor_id in root directory and model_id in unit
directory of configuration ROM for IEEE 1394 bus.

On the other hand, configuration ROM of Focusrite Liquid Saffire 56
has the same vendor_id and model_id. This device is an application of
TCAT Dice (TCD2220 a.k.a Dice Jr.) however ALSA bebob driver can be
bound to it randomly instead of ALSA dice driver. At present, drivers
in ALSA firewire stack can not handle this situation appropriately.

This commit uses more identical mod_alias for Focusrite Saffire Pro 10
I/O in ALSA bebob driver.

$ python2 crpp < /sys/bus/firewire/devices/fw1/config_rom
               ROM header and bus information block
               -----------------------------------------------------------------
400  042a829d  bus_info_length 4, crc_length 42, crc 33437
404  31333934  bus_name "1394"
408  f0649222  irmc 1, cmc 1, isc 1, bmc 1, pmc 0, cyc_clk_acc 100,
               max_rec 9 (1024), max_rom 2, gen 2, spd 2 (S400)
40c  00130e01  company_id 00130e     |
410  000606e0  device_id 01000606e0  | EUI-64 00130e01000606e0

               root directory
               -----------------------------------------------------------------
414  0009d31c  directory_length 9, crc 54044
418  04000014  hardware version
41c  0c0083c0  node capabilities per IEEE 1394
420  0300130e  vendor
424  81000012  --> descriptor leaf at 46c
428  17000006  model
42c  81000016  --> descriptor leaf at 484
430  130120c2  version
434  d1000002  --> unit directory at 43c
438  d4000006  --> dependent info directory at 450

               unit directory at 43c
               -----------------------------------------------------------------
43c  0004707c  directory_length 4, crc 28796
440  1200a02d  specifier id: 1394 TA
444  13010001  version: AV/C
448  17000006  model
44c  81000013  --> descriptor leaf at 498

               dependent info directory at 450
               -----------------------------------------------------------------
450  000637c7  directory_length 6, crc 14279
454  120007f5  specifier id
458  13000001  version
45c  3affffc7  (immediate value)
460  3b100000  (immediate value)
464  3cffffc7  (immediate value)
468  3d600000  (immediate value)

               descriptor leaf at 46c
               -----------------------------------------------------------------
46c  00056f3b  leaf_length 5, crc 28475
470  00000000  textual descriptor
474  00000000  minimal ASCII
478  466f6375  "Focu"
47c  73726974  "srit"
480  65000000  "e"

               descriptor leaf at 484
               -----------------------------------------------------------------
484  0004a165  leaf_length 4, crc 41317
488  00000000  textual descriptor
48c  00000000  minimal ASCII
490  50726f31  "Pro1"
494  30494f00  "0IO"

               descriptor leaf at 498
               -----------------------------------------------------------------
498  0004a165  leaf_length 4, crc 41317
49c  00000000  textual descriptor
4a0  00000000  minimal ASCII
4a4  50726f31  "Pro1"
4a8  30494f00  "0IO"

$ python2 crpp < /sys/bus/firewire/devices/fw1/config_rom
               ROM header and bus information block
               -----------------------------------------------------------------
400  040442e4  bus_info_length 4, crc_length 4, crc 17124
404  31333934  bus_name "1394"
408  e0ff8112  irmc 1, cmc 1, isc 1, bmc 0, pmc 0, cyc_clk_acc 255,
               max_rec 8 (512), max_rom 1, gen 1, spd 2 (S400)
40c  00130e04  company_id 00130e     |
410  018001e9  device_id 04018001e9  | EUI-64 00130e04018001e9

               root directory
               -----------------------------------------------------------------
414  00065612  directory_length 6, crc 22034
418  0300130e  vendor
41c  8100000a  --> descriptor leaf at 444
420  17000006  model
424  8100000e  --> descriptor leaf at 45c
428  0c0087c0  node capabilities per IEEE 1394
42c  d1000001  --> unit directory at 430

               unit directory at 430
               -----------------------------------------------------------------
430  000418a0  directory_length 4, crc 6304
434  1200130e  specifier id
438  13000001  version
43c  17000006  model
440  8100000f  --> descriptor leaf at 47c

               descriptor leaf at 444
               -----------------------------------------------------------------
444  00056f3b  leaf_length 5, crc 28475
448  00000000  textual descriptor
44c  00000000  minimal ASCII
450  466f6375  "Focu"
454  73726974  "srit"
458  65000000  "e"

               descriptor leaf at 45c
               -----------------------------------------------------------------
45c  000762c6  leaf_length 7, crc 25286
460  00000000  textual descriptor
464  00000000  minimal ASCII
468  4c495155  "LIQU"
46c  49445f53  "ID_S"
470  41464649  "AFFI"
474  52455f35  "RE_5"
478  36000000  "6"

               descriptor leaf at 47c
               -----------------------------------------------------------------
47c  000762c6  leaf_length 7, crc 25286
480  00000000  textual descriptor
484  00000000  minimal ASCII
488  4c495155  "LIQU"
48c  49445f53  "ID_S"
490  41464649  "AFFI"
494  52455f35  "RE_5"
498  36000000  "6"

Cc: <stable@vger.kernel.org> # v3.16+
Fixes: 25784ec2d0 ("ALSA: bebob: Add support for Focusrite Saffire/SaffirePro series")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-02-26 07:11:32 +01:00
Takashi Iwai
0c298bdc38 ALSA: firewire: Remove superfluous snd_info_register() calls
The calls of snd_info_register() are superfluous and should be avoided
at the procfs creation time.  They are called at the end of the whole
initialization via snd_card_register().  This patch drops such
superfluous calls.

Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Tested-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-02-06 18:11:38 +01:00
Takashi Sakamoto
b2e9e1c881 ALSA: dice: add support for Solid State Logic Duende Classic/Mini
Duende Classic was produced by Solid State Logic in 2006, as a
first model of Duende DSP series. The following model, Duende Mini
was produced in 2008. They are designed to receive isochronous
packets for PCM frames via IEEE 1394 bus, perform signal processing by
downloaded program, then transfer isochronous packets for converted
PCM frames.

These two models includes the same embedded board, consists of several
ICs below:
 - Texus Instruments Inc, TSB41AB3 for physical layer of IEEE 1394 bus
 - WaveFront semiconductor, DICE II STD ASIC for link/protocol layer
 - Altera MAX 3000A CPLD for programs
 - Analog devices, SHARC ADSP-21363 for signal processing (4 chips)

This commit adds support for the two models to ALSA dice driver. Like
support for the other devices, packet streaming is just available.
Userspace applications should be developed if full features became
available; e.g. program uploader and parameter controller.

$ ./hinawa-config-rom-printer /dev/fw1
{ 'bus-info': { 'adj': False,
                'bmc': False,
                'chip_ID': 349771402425,
                'cmc': True,
                'cyc_clk_acc': 255,
                'generation': 1,
                'imc': True,
                'isc': True,
                'link_spd': 2,
                'max_ROM': 1,
                'max_rec': 512,
                'name': '1394',
                'node_vendor_ID': 20674,
                'pmc': False},
  'root-directory': [ ['VENDOR', 20674],
                      ['DESCRIPTOR', 'Solid State Logic'],
                      ['MODEL', 112],
                      ['DESCRIPTOR', 'Duende board'],
                      [ 'NODE_CAPABILITIES',
                        { 'addressing': {'64': True, 'fix': True, 'prv': True},
                          'misc': {'int': False, 'ms': False, 'spt': True},
                          'state': { 'atn': False,
                                     'ded': False,
                                     'drq': True,
                                     'elo': False,
                                     'init': False,
                                     'lst': True,
                                     'off': False},
                          'testing': {'bas': False, 'ext': False}}],
                      [ 'UNIT',
                        [ ['SPECIFIER_ID', 20674],
                          ['VERSION', 1],
                          ['MODEL', 112],
                          ['DESCRIPTOR', 'Duende board']]]]}

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-01-28 13:42:22 +01:00
Dan Carpenter
2dee43ec3f ALSA: fireface: Off by one in latter_handle_midi_msg()
The > should be >= or otherwise we potentially read one element beyond
the end of the ff->tx_midi_substreams[] array.

Fixes: 73f5537fb2 ("ALSA: fireface: support tx MIDI functionality of Fireface UCX")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-01-25 15:51:33 +01:00
Takashi Sakamoto
d8002539ec ALSA: fireface: comment cleanup about destination address of async transactions for MIDI messages
In Fireface series, registration of higher 4 bytes of destination
address for asynchronous transaction of MIDI messages is done by
a write transaction to model-specific register.

On the other hand, registration of lower 4 bytes of the address is
selectable from 4 options. A register for this registration includes
the other purpose options such as input attenuation. Thus this
driver expects userspace applications to configure the register.

Actual behaviour for the asynchronous transaction is different
depending on protocols. In former protocol, destination offset
of each transaction is the same as the registered address even if
it is block request. In latter models, destination offset of each
transaction is the offset of previous transaction plus 4 byte
and the transaction is quadlet request.

This commit cleanups comments about the above mechanism.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-01-24 14:39:32 +01:00
Takashi Sakamoto
f0f9f497d4 ALSA: fireface: support rx MIDI functionality for Fireface UCX
In latter model of Fireface series, asynchronous transaction includes
a prefix byte to indicate the way to decode included MIDI bytes.

Upper 4 bits of the prefix byte indicates port number, and the rest 4
bits indicate the way to decode rest of bytes for MIDI messages.

Basically the rest bits indicates the number of bytes for MIDI message.
However, if the last byte of each MIDi message is included, the rest
bits are 0xf. For example:

message: f0 00 00 66 14 20 00 00 f7
offset: content (big endian, port 0)
 '0030: 0x02f00000
 '0030: 0x03006614
 '0030: 0x03200000
 '0030: 0x0ff70000

This commit supports encoding scheme for the above and allows
applications to transfer MIDI messages via ALSA rawmidi interface.
An unused member (running_status) is reused to keep state of
transmission of system exclusive messages.

For your information, this is a dump of config rom.

$ sudo ./hinawa-config-rom-printer /dev/fw1
{ 'bus-info': { 'bmc': False,
                'chip_ID': 13225063715,
                'cmc': False,
                'cyc_clk_acc': 0,
                'imc': False,
                'isc': True,
                'max_rec': 512,
                'name': '1394',
                'node_vendor_ID': 2613},
  'root-directory': [ [ 'NODE_CAPABILITIES',
                        { 'addressing': {'64': True, 'fix': True, 'prv': False},
                          'misc': {'int': False, 'ms': False, 'spt': True},
                          'state': { 'atn': False,
                                     'ded': False,
                                     'drq': True,
                                     'elo': False,
                                     'init': False,
                                     'lst': True,
                                     'off': False},
                          'testing': {'bas': False, 'ext': False}}],
                      ['VENDOR', 2613],
                      ['DESCRIPTOR', 'RME!'],
                      ['EUI_64', 2873037108442403],
                      [ 'UNIT',
                        [ ['SPECIFIER_ID', 2613],
                          ['VERSION', 4],
                          ['MODEL', 1054720],
                          ['DESCRIPTOR', 'Fireface UCX']]]]}

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-01-22 17:20:56 +01:00
Takashi Sakamoto
82b6297b44 ALSA: fireface: add protocol-specific operation to fill transaction buffer with MIDI messages
Between former and latter models, content of asynchronous transaction
for MIDI messages from driver to device is different.

This commit is a preparation to support latter models. A protocol-specific
operation is added to encode MIDI messages to the transaction.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-01-22 17:20:54 +01:00