Commit 2acd30b9 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Vinod Koul
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ASoC/soundwire: bus: use property to set interrupt masks 



Add a slave-level property and program the SCP_INT1_MASK as desired by
the codec driver. Since there is no DisCo property this has to be an
implementation-specific firmware property or hard-coded in the driver.

The only functionality change is that implementation-defined
interrupts are no longer set for amplifiers - those interrupts are
typically for jack detection or acoustic event detection/hotwording.

Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Tested-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: default avatarKai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: default avatarGuennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Acked-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200908134521.6781-2-yung-chuan.liao@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 09309093

drivers/soundwire/bus.c

+6 −6
Original line number Diff line number Diff line
@@ -1184,13 +1184,13 @@ static int sdw_initialize_slave(struct sdw_slave *slave) 
		return ret;



	/*

	 * Set bus clash, parity and SCP implementation

	 * defined interrupt mask

	 * TODO: Read implementation defined interrupt mask

	 * from Slave property

	 * Set SCP_INT1_MASK register, typically bus clash and

	 * implementation-defined interrupt mask. The Parity detection

	 * may not always be correct on startup so its use is

	 * device-dependent, it might e.g. only be enabled in

	 * steady-state after a couple of frames.

	 */

	val = SDW_SCP_INT1_IMPL_DEF | SDW_SCP_INT1_BUS_CLASH |

					SDW_SCP_INT1_PARITY;

	val = slave->prop.scp_int1_mask;



	/* Enable SCP interrupts */

	ret = sdw_update(slave, SDW_SCP_INTMASK1, val, val);

include/linux/soundwire/sdw.h

+2 −0
Original line number Diff line number Diff line
@@ -357,6 +357,7 @@ struct sdw_dpn_prop { 
 * @dp0_prop: Data Port 0 properties

 * @src_dpn_prop: Source Data Port N properties

 * @sink_dpn_prop: Sink Data Port N properties

 * @scp_int1_mask: SCP_INT1_MASK desired settings

 */

struct sdw_slave_prop {

	u32 mipi_revision;
@@ -378,6 +379,7 @@ struct sdw_slave_prop { 
	struct sdw_dp0_prop *dp0_prop;

	struct sdw_dpn_prop *src_dpn_prop;

	struct sdw_dpn_prop *sink_dpn_prop;

	u8 scp_int1_mask;

};



/**

sound/soc/codecs/max98373-sdw.c

+3 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/of.h>

#include <linux/soundwire/sdw.h>

#include <linux/soundwire/sdw_type.h>

#include <linux/soundwire/sdw_registers.h>

#include "max98373.h"

#include "max98373-sdw.h"
@@ -287,6 +288,8 @@ static int max98373_read_prop(struct sdw_slave *slave) 
	unsigned long addr;

	struct sdw_dpn_prop *dpn;



	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;



	/* BITMAP: 00001000  Dataport 3 is active */

	prop->source_ports = BIT(3);

	/* BITMAP: 00000010  Dataport 1 is active */

sound/soc/codecs/rt1308-sdw.c

+2 −0
Original line number Diff line number Diff line
@@ -123,6 +123,8 @@ static int rt1308_read_prop(struct sdw_slave *slave) 
	unsigned long addr;

	struct sdw_dpn_prop *dpn;



	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;



	prop->paging_support = true;



	/* first we need to allocate memory for set bits in port lists */

sound/soc/codecs/rt5682-sdw.c

+4 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <linux/mutex.h>

#include <linux/soundwire/sdw.h>

#include <linux/soundwire/sdw_type.h>

#include <linux/soundwire/sdw_registers.h>

#include <sound/core.h>

#include <sound/pcm.h>

#include <sound/pcm_params.h>
@@ -542,6 +543,9 @@ static int rt5682_read_prop(struct sdw_slave *slave) 
	unsigned long addr;

	struct sdw_dpn_prop *dpn;



	prop->scp_int1_mask = SDW_SCP_INT1_IMPL_DEF | SDW_SCP_INT1_BUS_CLASH |

		SDW_SCP_INT1_PARITY;



	prop->paging_support = false;



	/* first we need to allocate memory for set bits in port lists */

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