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Peter UjfalusiandVinod Koul e1f3f5be9e soundwire: intel: Add awareness of ACE3+ microphone privacy 
ACE3 introduced microphone privacy and along this feature it adds a new
register in vendor specific SHIM to control and status reporting.
The control of mic privacy via the SHIM register is only to enable the
interrupt generation via soundwire, but not handled by the soundwire code
as the mic privacy is not a feature of the soundwire IP.

On the other hand, printing the register value brings value for debugging,
so add a new flag to allow this conditionally.

Signed-off-by: Peter 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/20250430074714.94000-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2025-05-14 12:43:25 +01:00
Pierre-Louis BossartandVinod Koul 5cdc23764d soundwire: intel: add BPT context definition 
This is needed to be shared between open/send_async/close.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Tested-by: shumingf@realtek.com
Link: https://lore.kernel.org/r/20250227140615.8147-13-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2025-03-10 12:31:19 +05:30
Linus Torvalds 7116747a68 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
 2024-09-23 14:00:46 -07:00
Pierre-Louis BossartandMark Brown d2234596be soundwire: intel: add probe-time check on link id 
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>
 2024-08-19 12:25:52 +01:00
Pierre-Louis BossartandVinod Koul f8c35d61ba soundwire: cadence: re-check Peripheral status with delayed_work 
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>
 2024-08-18 12:14:24 +05:30
Pierre-Louis BossartandVinod Koul 9b5fd115e7 soundwire: intel_ace2.x: add AC timing extensions for PantherLake 
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>
 2024-06-03 17:41:11 +05:30
Pierre-Louis BossartandVinod Koul a0df7e04ea soundwire: intel_ace2.x: add support for DOAISE property 
Extend previous patches with the DOAISE field and property.

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/20240429004321.2399754-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2024-05-04 18:26:50 +05:30
Pierre-Louis BossartandVinod Koul 75933ba58d soundwire: intel_ace2.x: add support for DODSE property 
Extend previous patches with the DODSE field and property.

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/20240429004321.2399754-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2024-05-04 18:26:50 +05:30
Pierre-Louis BossartandVinod Koul 3b0b441a29 soundwire: intel_ace2x: use DOAIS and DODS settings from firmware 
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>
 2024-05-04 18:26:50 +05:30
Pierre-Louis BossartandVinod Koul 312316d5a1 soundwire: intel_ace2x: add debugfs support 
Add access to registers in SHIM and SHIM_VS (vendor-specific) areas.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@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/20230515071042.2038-11-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-05-27 16:06:45 +05:30
Pierre-Louis BossartandVinod Koul 881cf1e9df ASoC/soundwire: intel: pass hdac_bus pointer for link management 
The hdac_bus pointer is used to access the extended link information
and handle power management. Pass it from the SOF driver down to the
auxiliary devices.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@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>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230515071042.2038-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-05-27 16:06:45 +05:30
Pierre-Louis BossartandVinod Koul e40e0e11fe soundwire: intel/cadence: set ip_offset at run-time 
Select relevant ip-offset depending on hardware version. This offset
is used to access MCP_ or IP_MCP_ registers with a fixed offset.

For existing platforms, the offset is exactly zero. Starting with
LunarLake, the offset is 0x4000.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@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/20230515071042.2038-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-05-27 16:06:45 +05:30
Pierre-Louis BossartandVinod Koul 6ab915b9c3 soundwire/ASOC: Intel: update offsets for LunarLake 
The previous settings are not applicable, use a flag to determine what
the register layout is.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@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>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230515071042.2038-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-05-27 16:06:45 +05:30
Pierre-Louis BossartandVinod Koul fb43d62ee7 soundwire: intel: move bank switch routine to common intel_bus_common.c 
No functionality change, just moving the routines to a common file so
that they can be used for new hardware.

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/20230314015410.487311-11-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-03-15 19:24:02 +05:30
Pierre-Louis BossartandVinod Koul 1e76de2e5d soundwire: intel: add abstraction for cmdsync check 
If we add one more callback, we can have common bank switch sequences
between old and new hardware: the only difference is where the CMDSYNC
register is located.

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/20230314015410.487311-10-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-03-15 19:24:02 +05:30
Pierre-Louis BossartandVinod Koul 1a1a6a692e soundwire: intel: move bus common sequences to different file 
Now that the bus start/stop/clock_stop sequences use the ops, we can
move them to a different file to reuse them.

Note that we could in theory remove the abstraction for all those
sequences and directly call the functions in intel_auxdevice.c. To
allow for more flexibility and have means to special-case new
platforms, we decided to keep the abstraction. If in time it becomes
clear there is no benefit the abstraction will be simplified.

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/20230314015410.487311-9-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-03-15 19:24:02 +05:30
Pierre-Louis BossartandVinod Koul 84706e9a75 soundwire: intel: add sync_arm/sync_go to ops 
The bus start/stop sequences can be reused between platforms if we add
a couple of new callbacks. In following patches the code will be moved to
a shared file.

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/20230314015410.487311-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-03-15 19:24:02 +05:30
Pierre-Louis BossartandVinod Koul 4dd50aff56 soundwire: intel: move common definitions to header file 
Prepare for reused for addition of new hardware

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/20230314015410.487311-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2023-03-15 19:24:01 +05:30
Pierre-Louis BossartandVinod Koul 7cbf00bd41 soundwire: intel: split auxdevice to different file 
The auxdevice layer is completely generic, it should be split from
intel.c which is only geared to the 'cnl' hw_ops now.

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/20221111013135.38289-8-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-11-23 20:11:49 +05:30
Pierre-Louis BossartandVinod Koul 36e3b385f3 soundwire: intel: add in-band wake callbacks in hw_ops 
No functionality change, only add indirection for in-band wake
management helpers.

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/20221111013135.38289-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-11-23 20:11:49 +05:30
Pierre-Louis BossartandVinod Koul 49c9ff4599 soundwire: intel: add link power management callbacks in hw_ops 
No functionality change, only add indirection for link power
management helpers.

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/20221111013135.38289-6-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-11-23 20:11:49 +05:30
Pierre-Louis BossartandVinod Koul 3db0c5a6a2 soundwire: intel: add bus management callbacks in hw_ops 
No functionality change, only add indirection for bus management
helpers.

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/20221111013135.38289-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-11-23 20:11:48 +05:30
Pierre-Louis BossartandVinod Koul b6234bcc65 soundwire: intel: add register_dai callback in hw_ops 
No functionality change, only add indirection for DAI registration
helper.

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/20221111013135.38289-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-11-23 20:11:48 +05:30
Pierre-Louis BossartandVinod Koul fb2dc6a0a5 soundwire: intel: add debugfs callbacks in hw_ops 
No functionality change, only add indirection for debugfs helpers.

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/20221111013135.38289-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-11-23 20:11:48 +05:30
Pierre-Louis BossartandVinod Koul b3ad31f339 soundwire: intel: start using hw_ops 
Before introducing new hardware with completely different register
spaces and programming sequences, we need to abstract some of the
existing routines in hw_ops that will be platform-specific. For now we
only use the 'cnl' ops - after the first Intel platform with SoundWire
capabilities.

Rather than one big intrusive patch, hw_ops are introduced in this
patch so show the dependencies between drivers. Follow-up patches will
introduce callbacks for debugfs, power and bus management.

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/20221111013135.38289-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 2022-11-23 20:11:48 +05:30