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Diffstat (limited to 'drivers/soundwire/intel.h')
-rw-r--r--drivers/soundwire/intel.h35
1 files changed, 33 insertions, 2 deletions
diff --git a/drivers/soundwire/intel.h b/drivers/soundwire/intel.h
index 38b7c125fb10..cd93a44dba9a 100644
--- a/drivers/soundwire/intel.h
+++ b/drivers/soundwire/intel.h
@@ -7,7 +7,6 @@
/**
* struct sdw_intel_link_res - Soundwire Intel link resource structure,
* typically populated by the controller driver.
- * @pdev: platform_device
* @mmio_base: mmio base of SoundWire registers
* @registers: Link IO registers base
* @shim: Audio shim pointer
@@ -15,9 +14,14 @@
* @irq: Interrupt line
* @ops: Shim callback ops
* @dev: device implementing hw_params and free callbacks
+ * @shim_lock: mutex to handle access to shared SHIM registers
+ * @shim_mask: global pointer to check SHIM register initialization
+ * @clock_stop_quirks: mask defining requested behavior on pm_suspend
+ * @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
*/
struct sdw_intel_link_res {
- struct platform_device *pdev;
void __iomem *mmio_base; /* not strictly needed, useful for debug */
void __iomem *registers;
void __iomem *shim;
@@ -25,6 +29,33 @@ struct sdw_intel_link_res {
int irq;
const struct sdw_intel_ops *ops;
struct device *dev;
+ struct mutex *shim_lock; /* protect shared registers */
+ u32 *shim_mask;
+ u32 clock_stop_quirks;
+ u32 link_mask;
+ struct sdw_cdns *cdns;
+ struct list_head list;
};
+struct sdw_intel {
+ struct sdw_cdns cdns;
+ int instance;
+ struct sdw_intel_link_res *link_res;
+ bool startup_done;
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs;
+#endif
+};
+
+int intel_link_startup(struct auxiliary_device *auxdev);
+int intel_link_process_wakeen_event(struct auxiliary_device *auxdev);
+
+struct sdw_intel_link_dev {
+ struct auxiliary_device auxdev;
+ struct sdw_intel_link_res link_res;
+};
+
+#define auxiliary_dev_to_sdw_intel_link_dev(auxiliary_dev) \
+ container_of(auxiliary_dev, struct sdw_intel_link_dev, auxdev)
+
#endif /* __SDW_INTEL_LOCAL_H */