Merge pull request thesofproject#4200 from plbossart/sdw/intel-shim2

SoundWire: add support for ACE2.x

Author: plbossart

drivers/soundwire/Makefile

@@ -20,7 +20,8 @@ soundwire-cadence-y := cadence_master.o
 obj-$(CONFIG_SOUNDWIRE_CADENCE) += soundwire-cadence.o
 
 #Intel driver
-soundwire-intel-y :=	intel.o intel_auxdevice.o intel_init.o dmi-quirks.o \
+soundwire-intel-y :=	intel.o intel_ace2x.o intel_ace2x_debugfs.o \
+			intel_auxdevice.o intel_init.o dmi-quirks.o \
 			intel_bus_common.o
 obj-$(CONFIG_SOUNDWIRE_INTEL) += soundwire-intel.o
 

drivers/soundwire/bus.c

@@ -716,6 +716,9 @@ static int sdw_assign_device_num(struct sdw_slave *slave)
 	/* After xfer of msg, restore dev_num */
 	slave->dev_num = slave->dev_num_sticky;
 
+	if (bus->ops && bus->ops->new_peripheral_assigned)
+		bus->ops->new_peripheral_assigned(bus, dev_num);
+
 	return 0;
 }
 

drivers/soundwire/cadence_master.h

@@ -14,6 +14,8 @@
  */
 #define CDNS_MCP_IP_MAX_CMD_LEN		32
 
+#define SDW_CADENCE_MCP_IP_OFFSET	0x4000
+
 /**
  * struct sdw_cdns_pdi: PDI (Physical Data Interface) instance
  *

drivers/soundwire/intel.h

@@ -4,13 +4,17 @@
 #ifndef __SDW_INTEL_LOCAL_H
 #define __SDW_INTEL_LOCAL_H
 
+struct hdac_bus;
+
 /**
  * struct sdw_intel_link_res - Soundwire Intel link resource structure,
  * typically populated by the controller driver.
  * @hw_ops: platform-specific ops
  * @mmio_base: mmio base of SoundWire registers
  * @registers: Link IO registers base
+ * @ip_offset: offset for MCP_IP registers
  * @shim: Audio shim pointer
+ * @shim_vs: Audio vendor-specific shim pointer
  * @alh: ALH (Audio Link Hub) pointer
  * @irq: Interrupt line
  * @ops: Shim callback ops
@@ -21,13 +25,16 @@
  * @link_mask: global mask needed for power-up/down sequences
  * @cdns: Cadence master descriptor
  * @list: used to walk-through all masters exposed by the same controller
+ * @hbus: hdac_bus pointer, needed for power management
  */
 struct sdw_intel_link_res {
 	const struct sdw_intel_hw_ops *hw_ops;
 
 	void __iomem *mmio_base; /* not strictly needed, useful for debug */
 	void __iomem *registers;
+	u32 ip_offset;
 	void __iomem *shim;
+	void __iomem *shim_vs;
 	void __iomem *alh;
 	int irq;
 	const struct sdw_intel_ops *ops;
@@ -38,6 +45,7 @@ struct sdw_intel_link_res {
 	u32 link_mask;
 	struct sdw_cdns *cdns;
 	struct list_head list;
+	struct hdac_bus *hbus;
 };
 
 struct sdw_intel {
@@ -87,6 +95,14 @@ static inline void intel_writew(void __iomem *base, int offset, u16 value)
 					 (sdw)->link_res->hw_ops->cb)
 #define SDW_INTEL_OPS(sdw, cb)		((sdw)->link_res->hw_ops->cb)
 
+#ifdef CONFIG_DEBUG_FS
+void intel_ace2x_debugfs_init(struct sdw_intel *sdw);
+void intel_ace2x_debugfs_exit(struct sdw_intel *sdw);
+#else
+static inline void intel_ace2x_debugfs_init(struct sdw_intel *sdw) {}
+static inline void intel_ace2x_debugfs_exit(struct sdw_intel *sdw) {}
+#endif
+
 static inline void sdw_intel_debugfs_init(struct sdw_intel *sdw)
 {
 	if (SDW_INTEL_CHECK_OPS(sdw, debugfs_init))