During the hibernate entry sequence, ACP registers will be reset to
default values and acp ip will be completely powered off including acp
SoundWire pads. During resume sequence, if acp SoundWire pad keeper enable
register is not restored along with pad pulldown control register value,
then SoundWire manager links won't be powered on correctly results in
peripheral register access failures and completely audio function is
broken.
Add code to store the acp SoundWire pad keeper enable register and acp pad
pulldown ctrl register values before entering into suspend state and
restore the register values during resume sequence based on condition check
for acp SoundWire pad keeper enable register for ACP6.3, ACP7.0 & ACP7.1
platforms.
Fixes: 4916283880 ("ASoC: amd: ps: add callback functions for acp pci driver pm ops")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20250623084630.3100279-1-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Update files description for acp pci driver, SoundWire DMA driver, PDM
driver and acp header file as new support is added for ACP7.0 & ACP7.1
platforms.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20250207062819.1527184-20-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Implement function to restore the dma configuration during system level
resume for ACP7.0 & ACP7.1 platforms. Add a conditional check to invoke
restore dma configuration function based on acp pci revision id.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20250207062819.1527184-16-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Store acp pci revision id in SoundWire dma driver private data structure.
It will be used to distinguish platform specific code.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20250207062819.1527184-9-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Rename macros and structure names, variable with ACP63 tag which are
specific to ACP6.3 platform.
Rename 'stream_index' and 'sdw_dma_data' variable names to avoid check
patch warnings.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://patch.msgid.link/20250207062819.1527184-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add acp_rev as structure member in acp pci driver private data structure
to store acp pci revision id and assign this variable to SoundWire resource
data acp_rev variable.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240924081846.1834612-5-Vijendar.Mukunda@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add machine select logic for SoundWire interface and create a machine
device node based on ACP PDM/SoundWire configuration.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://msgid.link/r/20240214104014.1144668-5-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The earlier acp_reset flag is set to true in two instances as mentioned
below.
1. When active SoundWire manager instances power mode is set to
Power off mode when SoundWire configuration is selected.
2. For other acp configurations
As code being refactored and common function being used for scanning
SoundWire controller, acp_reset flag update logic is dropped.
Instead of it, check the SoundWire manager instance enable state, based on
it update sdw_en_stat flag which will be used to apply ACP init/de-init
sequence during suspend/resume callbacks based on flag set value when
SoundWire configuration is selected.
For other acp configurations, acp init/de-init will be called by default.
Refactor existing pm ops logic for SoundWire configuration and use
sdw_en_stat flag for invoking acp init/de-init sequence.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://msgid.link/r/20240214104014.1144668-3-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Refactor ACP child platform device creation code based on acp config.
Use common SoundWire manager functions for device probe and exit
sequences.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://msgid.link/r/20240214104014.1144668-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Correct the DMA irq mask macro to program DMA irq bits correctly for
SDW0 instance rx streams.
Fixes: 298d4f7b17 ("ASoC: amd: ps: add support for SoundWire DMA interrupts")
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230626105356.2580125-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add comments for DMA stream id and IRQ bit mapping in
ACP_EXTERNAL_CNTL & ACP_EXTERNAL_CNTL1 registers for
SDW0 and SDW1 manager instances.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230626105356.2580125-1-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Move to request_threaded_irq and use thread for handling
SoundWire DMA interrupts.
Whenever audio data equal to the SoundWire FIFO watermark level
are produced/consumed, interrupt is generated.
Acknowledge the interrupt and wake up the irq thread.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230612095903.2113464-6-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
SoundWire DMA platform driver binds to the platform device created by
ACP PCI device. SoundWire DMA driver registers ALSA DMA component
with ASoC framework.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230612095903.2113464-4-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Handle SoundWire manager related interrupts in ACP PCI driver
interrupt handler and schedule SoundWire manager work queue for
further processing.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230612095903.2113464-3-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Based on ACP pin configuration and scanning child devices
under ACP pci device ACPI scope, platform device configuration
(pdev_config) and platform device count(pdev_count) will be
calculated.
Using pdev_config and pdev_count values, ACP PCI driver will
create platform devices for Pink Sardine platform.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230612095903.2113464-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Instead of a busy waiting while loop using udelay in
acp63_power_on and acp63_reset functions use readl_poll_timeout
function to check the condition.
Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com
Reviewed-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com
Link: https://lore.kernel.org/r/20230426122219.3745586-2-Syed.SabaKareem@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org
Instead of acp63_readl() and acp63_writel() wrappers
readl and writel functions can be used directly.
Remove acp63_readl() and acp63_writel() wrappers.
Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com
Reviewed-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com
Link: https://lore.kernel.org/r/20230426122219.3745586-1-Syed.SabaKareem@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org
The most recent changes to ASoC, such as new module parameters, date to the
year 2023. Update copyright statement accordingly.
Signed-off-by: Carlos Bilbao <carlos.bilbao@amd.com
Link: https://lore.kernel.org/r/20230420180212.3101178-1-carlos.bilbao@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org
We have SOF and generic ACP support enabled for Rembrandt and
pheonix platforms on some machines. Since we have same PCI id
used for probing, add check for machine configuration flag to
avoid conflict with newer pci drivers. Such machine flag has
been initialized via dmi match on few Chrome machines. If no
flag is specified probe and register older platform device.
Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Reviewed-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230412091638.1158901-1-Syed.SabaKareem@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In case of regressions for any users that the new pdm_gain value is
too high and for additional debugging, introduce a module parameter
that would let them configure it.
This parameter should be removed in the future:
* If it's determined that the parameter is not needed, just hardcode
the correct value as before
* If users do end up using it to debug and report different values
we should introduce a config knob that can have policy set by ucm.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230131184653.10216-7-mario.limonciello@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
No issues have been reported yet for DMIC audio level on ps platforms,
but as problems were found both on YC (Rembrandt) and Renoir based
designs it's very likely they happen on ps too.
Increase the PDM gain to solve this problem.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230131184653.10216-6-mario.limonciello@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Retrieve acp_lock mutex as platform data and use it for protecting
ACP common registers access in acp pdm driver.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230104055435.321327-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Refactor platform device creation implementation.
Based on platform dev count and pdev mask create platform devices.
Use common API to fill platform dev information.
Use pdev count variable in remove callback for unregistering
platform devices.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20221221172855.1618766-2-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Implement API to retrieve acp device config and calculate platform
device count and dev mask for platform device node creation.
Currently for DMIC configuration, mask and dev count are calculated.
Same api will be used to extend support for different ACP device
configurations.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20221221172855.1618766-1-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
