[ Upstream commit ccb7bb13c0 ]
The sdw_dev_lock protects the SoundWire driver callbacks against
the probed flag, which is used to skip the callbacks if the
driver gets removed. For more information see commit bd29c00edd
("soundwire: revisit driver bind/unbind and callbacks").
However, this lock is a frequent source of mutex inversions.
Many audio operations eventually hit the hardware resulting in a
SoundWire callback, this means that typically the driver has the
locking order ALSA/ASoC locks -> sdw_dev_lock. Conversely, the IRQ
comes in directly from the SoundWire hardware, but then will often
want to access ALSA/ASoC, such as updating something in DAPM or
an ALSA control. This gives the other lock order sdw_dev_lock ->
ALSA/ASoC locks.
When the IRQ handling was initially added to SoundWire this was
through a callback mechanism. As such it required being covered by
the lock because the callbacks are part of the sdw_driver structure
and are thus present regardless of if the driver is currently
probed.
Since then a newer mechanism using the IRQ framework has been
added, which is currently covered by the same lock but this isn't
actually required. Handlers for the IRQ framework are registered in
probe and should by released during remove, thus the IRQ framework
will have already unbound the IRQ before the slave driver is
removed. Avoid the aforementioned mutex inversion by moving the
handle_nested_irq call outside of the sdw_dev_lock.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20250609143041.495049-3-ckeepax@opensource.cirrus.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0383734179 ]
During pm_prepare callback, pm_request_resume() delays SoundWire manager D0
entry sequence. Synchronize runtime resume sequence for amd_manager
instance prior to invoking child devices resume sequence for both the amd
power modes(ClockStop Mode and Power off mode).
Change the power_mode_mask check and use pm_runtime_resume() in
amd_pm_prepare() callback.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20250530054447.1645807-3-Vijendar.Mukunda@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit dba7d9dbfd ]
The bus->params should be restored if the stream is failed to prepare.
The issue exists since beginning. The Fixes tag just indicates the
first commit that the commit can be applied to.
Fixes: 17ed5bef49 ("soundwire: add missing newlines in dynamic debug logs")
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20250626060952.405996-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a628e69b64 ]
To clear the valid result status, 1 should be written to
ACP_SDW_IMM_CMD_STS register. Update the ACP_SW_IMM_CMD_STS register value
as 1.
Fixes: d8f48fbdfd ("soundwire: amd: Add support for AMD Manager driver")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20250620102617.73437-1-Vijendar.Mukunda@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit fd15594ba7 ]
The SoundWire IRQ domain needs to be created before any slaves are added
to the bus, such that the domain is always available when needed. Move
the call to sdw_irq_create() before the calls to sdw_acpi_find_slaves()
and sdw_of_find_slaves().
Fixes: 12a95123bf ("soundwire: bus: Allow SoundWire peripherals to register IRQ handlers")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20250409122239.1396489-1-ckeepax@opensource.cirrus.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit e738d77f78 ]
Frame shape and curr_dr_freq could be updated by sdw_compute_bus_params().
Peripherals will set curr_dr_freq as their frequency. Managers
should do the same. Then update frame shape according to the actual
bus frequency.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://lore.kernel.org/r/20250205074232.87537-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit dcc48a73ea ]
During runtime suspend scenario, SoundWire wake should be enabled and
during system level suspend scenario SoundWire wake should be disabled.
Implement the SoundWire wake enable/disable sequence as per design flow
for SoundWire poweroff mode.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20250207065841.4718-2-Vijendar.Mukunda@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit aac2f8363f ]
When initializing a soundwire slave device, an OF node is stored to the
device with refcount incremented. However, the refcount is not
decremented in .release(), thus call of_node_put() in
sdw_slave_release().
Fixes: a2e484585a ("soundwire: core: add device tree support for slave devices")
Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241205034844.2784964-1-joe@pf.is.s.u-tokyo.ac.jp
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
In the case of a prepare callback after an xrun or when the PCM is
restarted after a call to snd_pcm_drain/snd_pcm_drop, avoid
reprogramming the SHIM registers but send the PDI stream number so that
the link DMA data can be set. This is needed for the case that the DMA
data is cleared when the PCM is stopped and restarted without being
closed.
Link: https://github.com/thesofproject/sof/issues/9502
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
All: stable@vger.kernel.org # 6.10.x 6.11.x
Link: https://patch.msgid.link/20241016032910.14601-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
- bus cleanup for warnings and probe deferral errors suppression
- cadence recheck for status with a delayed work
- intel interrupt rework on reset exit
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Merge tag 'soundwire-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- bus cleanup for warnings and probe deferral errors suppression
- cadence recheck for status with a delayed work
- intel interrupt rework on reset exit
* tag 'soundwire-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: intel_bus_common: enable interrupts before exiting reset
soundwire: cadence: re-check Peripheral status with delayed_work
soundwire: bus: clean up probe warnings
soundwire: bus: drop unused driver name field
soundwire: bus: suppress probe deferral errors
In older platforms, the number of links was constant and hard-coded to
4. Newer platforms can have varying number of links, so we need to add
a probe-time check to make sure the ACPI-reported information with
_DSD properties is aligned with hardware capabilities reported in the
SoundWire LCAP register.
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20240819005548.5867-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The existing code enables the Cadence IP interrupts after the bus
reset sequence. The problem with this sequence is that it might be
pre-empted, giving SoundWire devices time to sync and report as
ATTACHED before the interrupts are enabled. In that case, the Cadence
IP will not detect a state change and will not throw an interrupt to
proceed with the enumeration of a Device0.
In our overnight stress tests, we observed that a slight
sub-millisecond delay in enabling interrupts after the reset was
correlated with detection failures. This problem is more prevalent on
the LunarLake silicon, likely due to SOC integration changes, but it
was observed on earlier generations as well.
This patch reverts the sequence, with the interrupts enabled before
performing the bus reset. This removes the race condition and makes
sure the Cadence IP is able to detect the presence of a Device0 in all
cases.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240805115003.88035-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The SoundWire peripheral enumeration is entirely based on interrupts,
more specifically sticky bits tracking state changes.
This patch adds a defensive programming check on the actual status
reported in PING frames. If for some reason an interrupt was lost or
delayed, the delayed work would detect a peripheral change of status
after the bus starts.
The 100ms defined for the delay is not completely arbitrary, if a
Peripheral didn't join the bus within that delay then probably the
hardware link is broken, and conversely if the detection didn't happen
because of software issues the 100ms is still acceptable in terms of
user experience.
The overhead of the one-shot workqueue is minimal, and the mutual
exclusion ensures that the interrupt and delayed work cannot update
the status concurrently.
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240805114921.88007-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Clean up the probe warning messages by using a common succinct and
greppable format (e.g. without __func__ and with a space after ':').
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240712140801.24267-4-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The soundwire driver name field is not currently used by any driver (and
even appears to never have been used) so drop it.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20240712140801.24267-3-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Soundwire driver probe errors are currently being logged both by the bus
code and driver core:
wsa884x-codec sdw:4:0:0217:0204:00:0: Probe of wsa884x-codec failed: -12
wsa884x-codec sdw:4:0:0217:0204:00:0: probe with driver wsa884x-codec failed with error -12
Drop the redundant bus error message, which is also incorrectly being
logged on probe deferral:
wsa884x-codec sdw:4:0:0217:0204:00:0: Probe of wsa884x-codec failed: -517
Note that no soundwire driver uses the driver struct name field, which
will be removed by a follow-on change.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20240712140801.24267-2-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Here is the big set of driver core changes for 6.11-rc1.
Lots of stuff in here, with not a huge diffstat, but apis are evolving
which required lots of files to be touched. Highlights of the changes
in here are:
- platform remove callback api final fixups (Uwe took many releases to
get here, finally!)
- Rust bindings for basic firmware apis and initial driver-core
interactions. It's not all that useful for a "write a whole driver
in rust" type of thing, but the firmware bindings do help out the
phy rust drivers, and the driver core bindings give a solid base on
which others can start their work. There is still a long way to go
here before we have a multitude of rust drivers being added, but
it's a great first step.
- driver core const api changes. This reached across all bus types,
and there are some fix-ups for some not-common bus types that
linux-next and 0-day testing shook out. This work is being done to
help make the rust bindings more safe, as well as the C code, moving
toward the end-goal of allowing us to put driver structures into
read-only memory. We aren't there yet, but are getting closer.
- minor devres cleanups and fixes found by code inspection
- arch_topology minor changes
- other minor driver core cleanups
All of these have been in linux-next for a very long time with no
reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big set of driver core changes for 6.11-rc1.
Lots of stuff in here, with not a huge diffstat, but apis are evolving
which required lots of files to be touched. Highlights of the changes
in here are:
- platform remove callback api final fixups (Uwe took many releases
to get here, finally!)
- Rust bindings for basic firmware apis and initial driver-core
interactions.
It's not all that useful for a "write a whole driver in rust" type
of thing, but the firmware bindings do help out the phy rust
drivers, and the driver core bindings give a solid base on which
others can start their work.
There is still a long way to go here before we have a multitude of
rust drivers being added, but it's a great first step.
- driver core const api changes.
This reached across all bus types, and there are some fix-ups for
some not-common bus types that linux-next and 0-day testing shook
out.
This work is being done to help make the rust bindings more safe,
as well as the C code, moving toward the end-goal of allowing us to
put driver structures into read-only memory. We aren't there yet,
but are getting closer.
- minor devres cleanups and fixes found by code inspection
- arch_topology minor changes
- other minor driver core cleanups
All of these have been in linux-next for a very long time with no
reported problems"
* tag 'driver-core-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (55 commits)
ARM: sa1100: make match function take a const pointer
sysfs/cpu: Make crash_hotplug attribute world-readable
dio: Have dio_bus_match() callback take a const *
zorro: make match function take a const pointer
driver core: module: make module_[add|remove]_driver take a const *
driver core: make driver_find_device() take a const *
driver core: make driver_[create|remove]_file take a const *
firmware_loader: fix soundness issue in `request_internal`
firmware_loader: annotate doctests as `no_run`
devres: Correct code style for functions that return a pointer type
devres: Initialize an uninitialized struct member
devres: Fix memory leakage caused by driver API devm_free_percpu()
devres: Fix devm_krealloc() wasting memory
driver core: platform: Switch to use kmemdup_array()
driver core: have match() callback in struct bus_type take a const *
MAINTAINERS: add Rust device abstractions to DRIVER CORE
device: rust: improve safety comments
MAINTAINERS: add Danilo as FIRMWARE LOADER maintainer
MAINTAINERS: add Rust FW abstractions to FIRMWARE LOADER
firmware: rust: improve safety comments
...
- Simplification across subsystem using cleanup.h
- Support for debugfs to read/write commands
- Few Intel and Qualcomm driver updates
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Merge tag 'soundwire-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- Simplification across subsystem using cleanup.h
- Support for debugfs to read/write commands
- Few Intel and Qualcomm driver updates
* tag 'soundwire-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: debugfs: simplify with cleanup.h
soundwire: cadence: simplify with cleanup.h
soundwire: intel_ace2x: simplify with cleanup.h
soundwire: intel_ace2x: simplify return path in hw_params
soundwire: intel: simplify with cleanup.h
soundwire: intel: simplify return path in hw_params
soundwire: amd_init: simplify with cleanup.h
soundwire: amd: simplify with cleanup.h
soundwire: amd: simplify return path in hw_params
soundwire: intel_auxdevice: start the bus at default frequency
soundwire: intel_auxdevice: add cs42l43 codec to wake_capable_list
drivers:soundwire: qcom: cleanup port maask calculations
soundwire: bus: simplify by using local slave->prop
soundwire: generic_bandwidth_allocation: change port_bo parameter to pointer
soundwire: Intel: clarify Copyright information
soundwire: intel_ace2.x: add AC timing extensions for PantherLake
soundwire: bus: add stream refcount
soundwire: debugfs: add interface to read/write commands
Lots of changes in this cycle, but mostly for cleanups and
refactoring. Significant amount of changes are about DT schema
conversions for ASoC at this time while we see other usual
suspects, too. Some highlights below:
Core:
- Re-introduction of PCM sync ID support API
- MIDI2 time-base extension in ALSA sequencer API
ASoC:
- Syncing of features between simple-audio-card and the two
audio-graph cards
- Support for specifying the order of operations for components
within cards to allow quirking for unusual systems
- Lots of DT schema conversions
- Continued SOF/Intel updates for topology, SoundWire, IPC3/4
- New support for Asahi Kasei AK4619, Cirrus Logic CS530x, Everest
Semiconductors ES8311, NXP i.MX95 and LPC32xx, Qualcomm LPASS
v2.5 and WCD937x, Realtek RT1318 and RT1320 and Texas
Instruments PCM5242
HD-audio:
- More quirks, Intel PantherLake support, senarytech codec support
- Refactoring of Cirrus codec component-binding
Others:
- ALSA control kselftest improvements, and fixes for input value
checks in various drivers
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Merge tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Lots of changes in this cycle, but mostly for cleanups and
refactoring.
Significant amount of changes are about DT schema conversions for ASoC
at this time while we see other usual suspects, too.
Some highlights below:
Core:
- Re-introduction of PCM sync ID support API
- MIDI2 time-base extension in ALSA sequencer API
ASoC:
- Syncing of features between simple-audio-card and the two
audio-graph cards
- Support for specifying the order of operations for components
within cards to allow quirking for unusual systems
- Lots of DT schema conversions
- Continued SOF/Intel updates for topology, SoundWire, IPC3/4
- New support for Asahi Kasei AK4619, Cirrus Logic CS530x, Everest
Semiconductors ES8311, NXP i.MX95 and LPC32xx, Qualcomm LPASS v2.5
and WCD937x, Realtek RT1318 and RT1320 and Texas Instruments
PCM5242
HD-audio:
- More quirks, Intel PantherLake support, senarytech codec support
- Refactoring of Cirrus codec component-binding
Others:
- ALSA control kselftest improvements, and fixes for input value
checks in various drivers"
* tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (349 commits)
kselftest/alsa: Log the PCM ID in pcm-test
kselftest/alsa: Use card name rather than number in test names
ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book Pro 360
ALSA: hda/tas2781: Add new quirk for Lenovo Hera2 Laptop
ALSA: seq: ump: Skip useless ports for static blocks
ALSA: pcm_dmaengine: Don't synchronize DMA channel when DMA is paused
ALSA: usb: Use BIT() for bit values
ALSA: usb: Fix UBSAN warning in parse_audio_unit()
ALSA: hda/realtek: Enable headset mic on Positivo SU C1400
ASoC: tas2781: Add new Kontrol to set tas2563 digital Volume
ASoC: codecs: wcd937x: Remove separate handling for vdd-buck supply
ASoC: codecs: wcd937x: Remove the string compare in MIC BIAS widget settings
ASoC: codecs: wcd937x-sdw: Fix Unbalanced pm_runtime_enable
ASoC: dt-bindings: cirrus,cs42xx8: Convert to dtschema
ASoC: cs530x: Remove bclk from private structure
ASoC: cs530x: Calculate proper bclk rate using TDM
ASoC: dt-bindings: cirrus,cs4270: Convert to dtschema
firmware: cs_dsp: Rename fw_ver to wmfw_ver
firmware: cs_dsp: Clarify wmfw format version log message
firmware: cs_dsp: Make wmfw and bin filename arguments const char *
...
When platform firmware exposes multiple supported bus frequencies, the
existing SoundWire support selects the maximum frequency. This is not
aligned with the SoundWire 1.2 directions: the MIPI recommendation is
to start at a 'safe' speed, compatible with the default frame rate and
shape, and only increase the clock when vendor and codec PHY
parameters are updated.
However, clock changes are not supported for now by the SoundWire
core, so in practice this patch has the effect of discarding
frequencies different to the implicit default. Dynamic clock changes
will be required at some point, and this limitation will be removed
after the core is updated, specifically to perform synchronous clock
scale changes on manager and peripheral sides with a bank switch.
On Intel LunarLake platforms with a 'standard' DSDT, this forces the
use of 4.8MHz. On older platforms this patch has no effect.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240704003411.10347-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
cs42l43 has wake capability. Add it to the wake_capable_list.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20240705114305.160233-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
In the match() callback, the struct device_driver * should not be
changed, so change the function callback to be a const *. This is one
step of many towards making the driver core safe to have struct
device_driver in read-only memory.
Because the match() callback is in all busses, all busses are modified
to handle this properly. This does entail switching some container_of()
calls to container_of_const() to properly handle the constant *.
For some busses, like PCI and USB and HV, the const * is cast away in
the match callback as those busses do want to modify those structures at
this point in time (they have a local lock in the driver structure.)
That will have to be changed in the future if they wish to have their
struct device * in read-only-memory.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Reviewed-by: Alex Elder <elder@kernel.org>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/2024070136-wrongdoer-busily-01e8@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cleanup the port map calculations, existing masks of having separate
masks for in and out ports is not really required.
Having a single mask for all the ports in the controller is simple and
cuts of some unnecessary code.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240618-soundwire-port-map-v1-1-9644e5545b9b@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The sdw_initialize_slave() function stores 'slave->prop' as local 'prop'
variable, so use it in all applicable places to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20240620091046.12426-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Currently, we do port_bo += bps * ch in both inside and outside
sdw_compute_master_ports(). We can pass port_bo as a pointer and only
calculate port_bo in sdw_compute_master_ports().
Besides, different port could use different lanes and we can't just
add port_bo based on total channels in a manager.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240617121350.14074-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For some reason a number of files included the "All rights reserved"
statement. Good old copy-paste made sure this mistake proliferated.
Remove the "All rights reserved" in all Intel-copyright to align with
internal guidance.
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240617121318.14037-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Now we have a helper so there's no need to open-code.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240528192936.16180-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The ACE3 IP used in PantherLake exposes new bitfields in the ACTMCTL
register to better control clocks/delays. These bitfields were
reserved/zero in the ACE2.x IP, to simplify the integration the new
bifields are added unconditionally. The behavior will only be impacted
when the firmware exposes DSD properties to set non-zero values.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240603070240.5165-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The notion of stream is by construction based on a multi-bus
capability, to allow for aggregation of Peripheral devices or
functions located on different segments. We currently count how many
master_rt contexts are used by a stream, but we don't have the dual
refcount of how many streams are allocated on a given bus. This
refcount will be useful to check if BTP/BRA streams can be allocated.
Note that the stream_refcount is modified in sdw_master_rt_alloc() and
sdw_master_rt_free() which are both called with the bus_lock mutex
held, so there's no need for refcount_ primitives for additional
protection.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240603065841.4860-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
We have an existing debugfs files to read standard registers
(DP0/SCP/DPn).
This patch provides a more generic interface to ANY set of read/write
contiguous registers in a peripheral device. In follow-up patches,
this interface will be extended to use BRA transfers.
The sequence is to use the following files added under the existing
debugsfs directory for each peripheral device:
command (write 0, read 1)
num_bytes
start_address
firmware_file (only for writes)
read_buffer (only for reads)
Example for a read command - this checks the 6 bytes used for
enumeration.
cd /sys/kernel/debug/soundwire/master-0-0/sdw\:0\:025d\:0711\:01/
echo 1 > command
echo 6 > num_bytes
echo 0x50 > start_address
echo 1 > go
cat read_buffer
address 0x50 val 0x30
address 0x51 val 0x02
address 0x52 val 0x5d
address 0x53 val 0x07
address 0x54 val 0x11
address 0x55 val 0x01
Example with a 2-byte firmware file written in DP0 address 0x22
od -x /lib/firmware/test_firmware
0000000 0a37
0000002
cd /sys/kernel/debug/soundwire/master-0-0/sdw\:0\:025d\:0711\:01/
echo 0 > command
echo 2 > num_bytes
echo 0x22 > start_address
echo "test_firmware" > firmware_file
echo 1 > go
cd /sys/kernel/debug/soundwire/master-0-0/sdw\:0\:025d\:0711\:01/
echo 1 > command
echo 2 > num_bytes
echo 0x22 > start_address
echo 1 > go
cat read_buffer
address 0x22 val 0x37
address 0x23 val 0x0a
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240603065841.4860-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The documentation for device_get_named_child_node() mentions this
important point:
"
The caller is responsible for calling fwnode_handle_put() on the
returned fwnode pointer.
"
Add fwnode_handle_put() to avoid leaked references.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240429004935.2400191-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
- cleanup and conversion for soundwire sysfs groups
- intel support for ace2x bits, auxdevice pm improvements
- qcom multi link device support
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Merge tag 'soundwire-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- cleanup and conversion for soundwire sysfs groups
- intel support for ace2x bits, auxdevice pm improvements
- qcom multi link device support
* tag 'soundwire-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (33 commits)
soundwire: intel_ace2.x: add support for DOAISE property
soundwire: intel_ace2.x: add support for DODSE property
soundwire: intel_ace2x: use DOAIS and DODS settings from firmware
soundwire: intel_ace2x: cleanup DOAIS/DODS settings
soundwire: intel_ace2x: simplify check_wake()
soundwire: intel_ace2x: fix wakeup handling
soundwire: intel_init: resume all devices on exit.
soundwire: intel: export intel_resume_child_device
soundwire: intel_auxdevice: use pm_runtime_resume() instead of pm_request_resume()
ASoC: SOF: Intel: hda: disable SoundWire interrupt later
soundwire: qcom: allow multi-link on newer devices
soundwire: intel_ace2x: use legacy formula for intel_alh_id
soundwire: reconcile dp0_prop and dpn_prop
soundwire: intel_ace2x: set the clock source
soundwire: intel_ace2.x: power-up first before setting SYNCPRD
soundwire: intel_ace2x: move and extend clock selection
soundwire: intel: add support for MeteorLake additional clocks
soundwire: intel: add more values for SYNCPRD
soundwire: bus: extend base clock checks to 96 MHz
soundwire: cadence: show the bus frequency and frame shape
...
Starting with LNL, the recommendation is to use settings read from DSD
properties instead of hard-coding the values.
The DOAIS and DODS values are completely-specific to Intel and are
stored in a vendor-specific property structure.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240429004321.2399754-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use two variables to save the settings, in preparation of a follow-up
change to read values from _DSD properties.
Starting with this patch, the bitfields will be reordered and listed
MSB-first, as shown in the hardware documentation.
Also note that the default for DOAIS is changed from 0x1 (copy-pasted
value?) to 0x3 (hardware default).
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240429004321.2399754-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Since LunarLake, we use the HDadio WAKEEN/WAKESTS to detect wakes for
SoundWire codecs. This patch follows the HDaudio example and
simplifies the behavior on wake-up by unconditionally waking up all
links.
This behavior makes a lot of sense when removing the jack, which may
signal that the user wants to start rendering audio using the local
amplifiers. Resuming all links helps make sure the amplifiers are
ready to be used. Worst case, the pm_runtime suspend would kick-in
after several seconds of inactivity.
Closes: https://github.com/thesofproject/linux/issues/4687
Co-developed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Keqiao Zhang <keqiao.zhang@intel.com>
Link: https://lore.kernel.org/r/20240426064030.2305343-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The initial programming sequence only worked in the case where the
OFLEN bit is set, i.e. the DSP handles the SoundWire interface. In the
Linux integration, the interface is owned by the host. This disconnect
leads to wake-ups being routed to the DSP and not to the host.
The suggested update is to rely on the global HDAudio WAKEEN/STATESTS
registers, with the SDI bits used to program the wakeups and check the
status.
Note that there is no way to know which peripheral generated a
wake-up. When the hardware detects a change, it sets all the bits
corresponding to LSDIIDx. The LSDIIDx information can be used to
figure out on which link the wakeup happened, but for further details
the software will have to check the status of each peripheral.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240426064030.2305343-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
When the manager becomes pm_runtime active in the remove procedure,
peripherals will become attached, and do the initialization
process. We have to wait until all the devices are fully resumed
before the cleanup, otherwise there is a possible race condition where
asynchronous workqueues initiate transfers on the bus that cannot
complete. This will ensure there are no SoundWire registers accessed
after the bus is powered-down.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240410023438.487017-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
