greybus: interface: implement generic mode-switch functionality

[cascardo/linux.git] / drivers / staging / greybus / interface.h

diff --git a/drivers/staging/greybus/interface.h b/drivers/staging/greybus/interface.h
index f6f16df..603f146 100644 (file)
--- a/drivers/staging/greybus/interface.h
+++ b/drivers/staging/greybus/interface.h
@@ -10,48 +10,60 @@
 #ifndef __INTERFACE_H
 #define __INTERFACE_H
 
-/* Increase these values if needed */
-#define MAX_CPORTS_PER_MODULE  10
-#define MAX_STRINGS_PER_MODULE 10
+#define GB_INTERFACE_QUIRK_NO_CPORT_FEATURES           BIT(0)
+#define GB_INTERFACE_QUIRK_NO_INIT_STATUS              BIT(1)
+#define GB_INTERFACE_QUIRK_NO_ARA_IDS                  BIT(2)
+#define GB_INTERFACE_QUIRK_FORCED_DISABLE              BIT(3)
+#define GB_INTERFACE_QUIRK_LEGACY_MODE_SWITCH          BIT(4)
 
-
-/* Greybus "public" definitions" */
 struct gb_interface {
        struct device dev;
+       struct gb_control *control;
 
        struct list_head bundles;
-       struct list_head links; /* greybus_host_device->modules */
-       u8 module_id;           /* Physical location within the Endo */
+       struct list_head module_node;
+       struct list_head manifest_descs;
+       u8 interface_id;        /* Physical location within the Endo */
+       u8 device_id;
+       u8 features;            /* Feature flags set in the manifest */
 
-       /* Information taken from the manifest module descriptor */
-       u16 vendor;
-       u16 product;
-       char *vendor_string;
-       char *product_string;
-       u64 unique_id;
+       u32 ddbl1_manufacturer_id;
+       u32 ddbl1_product_id;
+       u32 vendor_id;
+       u32 product_id;
+       u64 serial_number;
 
-       struct greybus_host_device *hd;
-};
-#define to_gb_interface(d) container_of(d, struct gb_interface, dev)
+       struct gb_host_device *hd;
+       struct gb_module *module;
+
+       unsigned long quirks;
 
-static inline void gb_interface_set_drvdata(struct gb_interface *intf,
-                                           void *data)
-{
-       dev_set_drvdata(&intf->dev, data);
-}
+       struct mutex mutex;
 
-static inline void * gb_interface__get_drvdata(struct gb_interface *intf)
-{
-       return dev_get_drvdata(&intf->dev);
-}
+       bool disconnected;
 
-/* Greybus "private" definitions */
+       bool ejected;
+       bool active;
+       bool enabled;
+       bool mode_switch;
+
+       struct work_struct mode_switch_work;
+       struct completion mode_switch_completion;
+};
+#define to_gb_interface(d) container_of(d, struct gb_interface, dev)
 
-const struct greybus_interface_id *
-       gb_interface_match_id(struct gb_interface *intf,
-                             const struct greybus_interface_id *id);
+struct gb_interface *gb_interface_create(struct gb_module *module,
+                                        u8 interface_id);
+int gb_interface_activate(struct gb_interface *intf);
+void gb_interface_deactivate(struct gb_interface *intf);
+int gb_interface_enable(struct gb_interface *intf);
+void gb_interface_disable(struct gb_interface *intf);
+int gb_interface_add(struct gb_interface *intf);
+void gb_interface_del(struct gb_interface *intf);
+void gb_interface_put(struct gb_interface *intf);
+void gb_interface_mailbox_event(struct gb_interface *intf, u16 result,
+                                                               u32 mailbox);
 
-struct gb_interface *gb_interface_find(struct greybus_host_device *hd,
-                                      u8 module_id);
+int gb_interface_request_mode_switch(struct gb_interface *intf);
 
 #endif /* __INTERFACE_H */