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Message-Id: <20240603070240.5165-1-yung-chuan.liao@linux.intel.com>
Date: Mon, 3 Jun 2024 15:02:40 +0800
From: Bard Liao <yung-chuan.liao@...ux.intel.com>
To: linux-sound@...r.kernel.org,
vkoul@...nel.org
Cc: vinod.koul@...aro.org,
linux-kernel@...r.kernel.org,
pierre-louis.bossart@...ux.intel.com,
bard.liao@...el.com
Subject: [PATCH] soundwire: intel_ace2.x: add AC timing extensions for PantherLake
From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
The ACE3 IP used in PantherLake exposes new bitfields in the ACTMCTL
register to better control clocks/delays. These bitfields were
reserved/zero in the ACE2.x IP, to simplify the integration the new
bifields are added unconditionally. The behavior will only be impacted
when the firmware exposes DSD properties to set non-zero values.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
---
drivers/soundwire/intel.h | 5 +++++
drivers/soundwire/intel_ace2x.c | 15 +++++++++++++++
drivers/soundwire/intel_auxdevice.c | 20 ++++++++++++++++++++
include/linux/soundwire/sdw_intel.h | 5 +++++
4 files changed, 45 insertions(+)
diff --git a/drivers/soundwire/intel.h b/drivers/soundwire/intel.h
index b68e74c294e7..68838e843b54 100644
--- a/drivers/soundwire/intel.h
+++ b/drivers/soundwire/intel.h
@@ -59,6 +59,11 @@ struct sdw_intel {
};
struct sdw_intel_prop {
+ u16 clde;
+ u16 doaise2;
+ u16 dodse2;
+ u16 clds;
+ u16 clss;
u16 doaise;
u16 doais;
u16 dodse;
diff --git a/drivers/soundwire/intel_ace2x.c b/drivers/soundwire/intel_ace2x.c
index 8b1b6ad420cf..0dadf46faca6 100644
--- a/drivers/soundwire/intel_ace2x.c
+++ b/drivers/soundwire/intel_ace2x.c
@@ -27,6 +27,11 @@ static void intel_shim_vs_init(struct sdw_intel *sdw)
void __iomem *shim_vs = sdw->link_res->shim_vs;
struct sdw_bus *bus = &sdw->cdns.bus;
struct sdw_intel_prop *intel_prop;
+ u16 clde;
+ u16 doaise2;
+ u16 dodse2;
+ u16 clds;
+ u16 clss;
u16 doaise;
u16 doais;
u16 dodse;
@@ -34,12 +39,22 @@ static void intel_shim_vs_init(struct sdw_intel *sdw)
u16 act;
intel_prop = bus->vendor_specific_prop;
+ clde = intel_prop->clde;
+ doaise2 = intel_prop->doaise2;
+ dodse2 = intel_prop->dodse2;
+ clds = intel_prop->clds;
+ clss = intel_prop->clss;
doaise = intel_prop->doaise;
doais = intel_prop->doais;
dodse = intel_prop->dodse;
dods = intel_prop->dods;
act = intel_readw(shim_vs, SDW_SHIM2_INTEL_VS_ACTMCTL);
+ u16p_replace_bits(&act, clde, SDW_SHIM3_INTEL_VS_ACTMCTL_CLDE);
+ u16p_replace_bits(&act, doaise2, SDW_SHIM3_INTEL_VS_ACTMCTL_DOAISE2);
+ u16p_replace_bits(&act, dodse2, SDW_SHIM3_INTEL_VS_ACTMCTL_DODSE2);
+ u16p_replace_bits(&act, clds, SDW_SHIM3_INTEL_VS_ACTMCTL_CLDS);
+ u16p_replace_bits(&act, clss, SDW_SHIM3_INTEL_VS_ACTMCTL_CLSS);
u16p_replace_bits(&act, doaise, SDW_SHIM2_INTEL_VS_ACTMCTL_DOAISE);
u16p_replace_bits(&act, doais, SDW_SHIM2_INTEL_VS_ACTMCTL_DOAIS);
u16p_replace_bits(&act, dodse, SDW_SHIM2_INTEL_VS_ACTMCTL_DODSE);
diff --git a/drivers/soundwire/intel_auxdevice.c b/drivers/soundwire/intel_auxdevice.c
index 17cf27e6ea73..54cb455ed870 100644
--- a/drivers/soundwire/intel_auxdevice.c
+++ b/drivers/soundwire/intel_auxdevice.c
@@ -159,11 +159,31 @@ static int sdw_master_read_intel_prop(struct sdw_bus *bus)
return -ENOMEM;
/* initialize with hardware defaults, in case the properties are not found */
+ intel_prop->clde = 0x0;
+ intel_prop->doaise2 = 0x0;
+ intel_prop->dodse2 = 0x0;
+ intel_prop->clds = 0x0;
+ intel_prop->clss = 0x0;
intel_prop->doaise = 0x1;
intel_prop->doais = 0x3;
intel_prop->dodse = 0x0;
intel_prop->dods = 0x1;
+ fwnode_property_read_u16(link,
+ "intel-sdw-clde",
+ &intel_prop->clde);
+ fwnode_property_read_u16(link,
+ "intel-sdw-doaise2",
+ &intel_prop->doaise2);
+ fwnode_property_read_u16(link,
+ "intel-sdw-dodse2",
+ &intel_prop->dodse2);
+ fwnode_property_read_u16(link,
+ "intel-sdw-clds",
+ &intel_prop->clds);
+ fwnode_property_read_u16(link,
+ "intel-sdw-clss",
+ &intel_prop->clss);
fwnode_property_read_u16(link,
"intel-sdw-doaise",
&intel_prop->doaise);
diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index 8e78417156e3..d537587b4499 100644
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -182,6 +182,11 @@
#define SDW_SHIM2_INTEL_VS_ACTMCTL_DODSE BIT(2)
#define SDW_SHIM2_INTEL_VS_ACTMCTL_DOAIS GENMASK(4, 3)
#define SDW_SHIM2_INTEL_VS_ACTMCTL_DOAISE BIT(5)
+#define SDW_SHIM3_INTEL_VS_ACTMCTL_CLSS BIT(6)
+#define SDW_SHIM3_INTEL_VS_ACTMCTL_CLDS GENMASK(11, 7)
+#define SDW_SHIM3_INTEL_VS_ACTMCTL_DODSE2 GENMASK(13, 12)
+#define SDW_SHIM3_INTEL_VS_ACTMCTL_DOAISE2 BIT(14)
+#define SDW_SHIM3_INTEL_VS_ACTMCTL_CLDE BIT(15)
/**
* struct sdw_intel_stream_params_data: configuration passed during
--
2.40.1
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