Merge tag 'soundwire-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul...

[thirdparty/kernel/linux.git] / include / linux / soundwire / sdw_intel.h

diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h
index d2f581feed67a97f43911068d91cf525e4067852..91f0dc564fe59f134a47de1ac826f93cc90013a8 100644 (file)
--- a/include/linux/soundwire/sdw_intel.h
+++ b/include/linux/soundwire/sdw_intel.h
@@ -233,6 +233,7 @@ struct sdw_intel_ctx {
  * struct sdw_intel_res - Soundwire Intel global resource structure,
  * typically populated by the DSP driver
  *
+ * @hw_ops: abstraction for platform ops
  * @count: link count
  * @mmio_base: mmio base of SoundWire registers
  * @irq: interrupt number
@@ -249,6 +250,7 @@ struct sdw_intel_ctx {
  * @alh_base: sdw alh base.
  */
 struct sdw_intel_res {
+       const struct sdw_intel_hw_ops *hw_ops;
        int count;
        void __iomem *mmio_base;
        int irq;
@@ -290,4 +292,46 @@ irqreturn_t sdw_intel_thread(int irq, void *dev_id);
 
 #define SDW_INTEL_QUIRK_MASK_BUS_DISABLE      BIT(1)
 
+struct sdw_intel;
+
+/* struct intel_sdw_hw_ops - SoundWire ops for Intel platforms.
+ * @debugfs_init: initialize all debugfs capabilities
+ * @debugfs_exit: close and cleanup debugfs capabilities
+ * @register_dai: read all PDI information and register DAIs
+ * @check_clock_stop: throw error message if clock is not stopped.
+ * @start_bus: normal start
+ * @start_bus_after_reset: start after reset
+ * @start_bus_after_clock_stop: start after mode0 clock stop
+ * @stop_bus: stop all bus
+ * @link_power_up: power-up using chip-specific helpers
+ * @link_power_down: power-down with chip-specific helpers
+ * @shim_check_wake: check if a wake was received
+ * @shim_wake: enable/disable in-band wake management
+ * @pre_bank_switch: helper for bus management
+ * @post_bank_switch: helper for bus management
+ */
+struct sdw_intel_hw_ops {
+       void (*debugfs_init)(struct sdw_intel *sdw);
+       void (*debugfs_exit)(struct sdw_intel *sdw);
+
+       int (*register_dai)(struct sdw_intel *sdw);
+
+       void (*check_clock_stop)(struct sdw_intel *sdw);
+       int (*start_bus)(struct sdw_intel *sdw);
+       int (*start_bus_after_reset)(struct sdw_intel *sdw);
+       int (*start_bus_after_clock_stop)(struct sdw_intel *sdw);
+       int (*stop_bus)(struct sdw_intel *sdw, bool clock_stop);
+
+       int (*link_power_up)(struct sdw_intel *sdw);
+       int (*link_power_down)(struct sdw_intel *sdw);
+
+       int  (*shim_check_wake)(struct sdw_intel *sdw);
+       void (*shim_wake)(struct sdw_intel *sdw, bool wake_enable);
+
+       int (*pre_bank_switch)(struct sdw_intel *sdw);
+       int (*post_bank_switch)(struct sdw_intel *sdw);
+};
+
+extern const struct sdw_intel_hw_ops sdw_intel_cnl_hw_ops;
+
 #endif