In SPDIF full duplex mode in order to get both RX and TX working we
need to start RX first, and TX second, fix this by porting SPDIF RX
configuration code from XCVR FW into Kernel driver and avoid using
M0+ core for SPDIF configuration.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
The criteria used to drop eARC mode into ARC mode
makes eARC function to fail. Drop it for now.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
XCVR driver working mode is set by "fsl,xcvr-mode" DTS
property. Being static - it does not allow changing
XCVR driver mode at runtime. Rework the driver by replacing
static DTS property with amixer control.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Add an amixer interface which allows to load
capabilities data structure.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
There are 2 configurable options for eARC RX fallback
to ARC mode: "ARC single ended" or "ARC common".
Add amixer control in order to allow setting it
from userspace.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
CS_DATA registers are supposed to be used by M0+
core, according to block guide host core must read
channel status structure from data memory.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Set watermarks values at half FIFO size, and max burst to 1/8
of FIFO size.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
The only supported XCVR format is IEC958_SUBFRAME_LE, so use it
for both RX and TX.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
The patch implements Audio XCVR CPU DAI driver for NXP iMX8 SOCs.
Audio XCVR is a on-chip functional module and implements
HDMI 2.1 spec eARC, ARC and SPDIF modes.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Viorel Suman