@@ -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);
@@ -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;
};
/**
@@ -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 */
@@ -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 */
@@ -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 */
@@ -11,6 +11,7 @@
#include <linux/mod_devicetable.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
+#include <linux/soundwire/sdw_registers.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <sound/soc.h>
@@ -338,6 +339,9 @@ static int rt700_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 */
@@ -11,6 +11,7 @@
#include <linux/mod_devicetable.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
+#include <linux/soundwire/sdw_registers.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <sound/soc.h>
@@ -342,6 +343,9 @@ static int rt711_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 */
@@ -12,6 +12,7 @@
#include <linux/mod_devicetable.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
+#include <linux/soundwire/sdw_registers.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regmap.h>
@@ -436,6 +437,9 @@ static int rt715_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 */
@@ -1112,6 +1112,7 @@ static int wsa881x_probe(struct sdw_slave *pdev,
wsa881x->sconfig.type = SDW_STREAM_PDM;
pdev->prop.sink_ports = GENMASK(WSA881X_MAX_SWR_PORTS, 0);
pdev->prop.sink_dpn_prop = wsa_sink_dpn_prop;
+ pdev->prop.scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
gpiod_direction_output(wsa881x->sd_n, 1);
wsa881x->regmap = devm_regmap_init_sdw(pdev, &wsa881x_regmap_config);