RX Master does not support div2 clk switching as div2_en bit
for rx master is floating. Do not do clk switch for rx master.
Change-Id: Iee1716fe892e792ffd17d0861a807e3711cee5d5
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
Update MSB of sample interval in the frame shape
to avoid misconfiguration.
Change-Id: I05e99bc563f6cdc71c7caf424441c4caa44ec4c6
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Check for soundwire clock source before clock switch to avoid
redundant clock switch for the same clock source.
Change-Id: I8a7a116cc956f427af677b413928dace5a39a23d
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Add support to disable dynamic port map via device tree
property.
Do not update master clock when dynamic port map
is disabled for a sound wire master.
Change-Id: I9f9344866faa4d1c342787e014102d9182ed56ae
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>
Some usecases need soundwire bus clock frequency to run at
lower clock rate for better power and performance. Update
soundwire bus clock frequency based on usecase.
Change-Id: I2e786d9f5d5d2ec3841daa934802eeafa79a8f6c
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Add support to enable PCM data transfer through soundwire interface.
Change-Id: I9b162beb7fcdc6bbb90303acb77c350dbcf8c490
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Frame sync for fractional sample rates is different. Update
ssp period based on frame sync of fractional sample rate
for synchronization of the data channels.
Change-Id: I25eaa5195abcdfad54cfed09beb0abe5aff2499a
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Enable IRQ for wakeup is called multiple times resulting in
throttling. This is because irq is not disabled after enablement.
Disable wakeup irq in runtime resume to fix the issue. Also
add check so that irq is not disabled more than once.
Change-Id: Ib5b7493298beb3ca4bcf78b2adbd7d4ac9ce6111
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
Change SSP period based on soundwire bus clock rate and frame shape
to avoid any synchronization issues.
Change-Id: I376958c6b92eca28b857c4c7c9948b1e56818657
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
In soundwire version 1.6, hw_ctl gating is required to address
HW limitation as SW workaround to get SWR functionality working.
Change-Id: Ia0939b1271f5400319217433de658a55a05ca404
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
For soundwire devices, if core vote function is available,
do a core vote before doing a clock request. This way
we retain any hardware votes needed before doing a read
or write.
Change-Id: If29b5f102be4f2d60e6d71cae70ac43e3fdaa00c
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
Replace debug read/write register functions with
swr_master_read/swr_master_write to support different interfaces to
access soundwire registers.
Change-Id: I377bb927ee769a18c0179045953a521d0a83057f
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Soundwire requires lpass core and lpass audio core to be enabled
to receive interrupts and soundwire register read/writes. Change
enables lpass core and lpass audio core in interrrupt service
routine and during register read/writes.
Change-Id: I56da2fc6efe7dfb1a7d59937b123b3972f633448
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Voice call over headset does not disconnect on button press
while device is in suspend state. This is because inband interrupt
is not made wakeup capable. Make inband interrupt for swr tx as
wakeup capable. Also add wakeup source for swr device.
Change-Id: I5f2751672675bc8d62c4d2bfbbd651e640723d52
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
If the optional commands/registers in soundwire slave(s) are not
implemented, then soundwire bus will ignore the corresponding
commands and executes the next commands in queue.
Change-Id: I24dd929975218a150717f03f5c17c2be173a5005
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Different platforms have different configuration for soundwire
ports. Add support to get the port configuration information
from the machine driver.
Change-Id: If2c006c4d4a43e2a8dc67c076f6d1c0f36eae16b
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
Store interrupt mask variable in master private data to
indicate the interrupts which are currently enabled. This
is to avoid reading interrupt enable register, which varies
on hardware version, for knowing the interrupt enabled info.
Change-Id: Ic990decd1b1112a1ad2a6af0d9b42269fe4e1b4c
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
Add lock and unlock sleep functions to master to prevent
system suspend during interrupts or slave wakeup
requests.
Change-Id: Icb4ea354ec6e2925f83c2380f30ea8e37aca7449
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
Switch audio drivers to SPDX identifier on msm-4.19.
Change-Id: Ic3f0230a516db251b8d81e8a7e73dbc04d66fe1b
Signed-off-by: Meng Wang <mengw@codeaurora.org>
Add changes to register hardware wake up interrupt
from soundwire data line or ipc wake up interrupt
from LPASS.
Change-Id: Ibe4277db79aa62f34e9b325ae656b3f3fa7a2bcb
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>
synchronize swr clock request using mutex and ensure
count becomes zero during ssr.
Change-Id: I3aa933a137d9439742d84fc23b37653da86f3b42
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
It is sometimes observed that afe could send multiple wakeup
events at a time. Avoid this by handling wakeup event only once
per swr suspend.
Change-Id: Ieb9ed1b18c8c93cb7db4b75e3411cc25838be492
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
Slave could trigger multiple path control api multiple times
after connect/disconnect port. Avoid handling the api without
new connect/disconnect requests to reduce latency.
Change-Id: I4db52fdebfd6b7c0fe3f388f25dfaa4981d5f61c
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
Add changes to recover audio during SSR and PDR
in swr master controller driver.
Change-Id: Ibe3ae097b5f9d59b135d861c5f50f6bbc1c05af6
Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
For MCLK frequency switching to 11.2896 for native
playback support, frameshape also needs to be changed
accordingly. Add changes to support frameshape switch
based on mclk frequency for given master.
Change-Id: I0c4dd69b743f83b45eeed73f27ad10e878b9244b
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
Add support to listen for DC detection event.
Shutdown WSA on receiving DC detection event.
Porting the changes from old master driver to new driver.
Change-Id: I4d323bb8074d447b2969dd01c7129e57160b6c04
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
Add locking for soundwire fifo operation as same
function call can be used at a time by a different thread
like mbhc, and fix register definitions in header.
Add soundwire slave interrupt clear registers as part of
slave interrupt event in master interrupt handler.
Change-Id: I94d9b7ac09192dbf8aa3248d35956b380430ee0b
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
New soundwire master driver to support multi master
for Talos/vipertooth.
Change-Id: I2616b940339e8f3d8d120e6705247d7bd1656bac
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>
