greybus: connection: Save major/minor supported by module

[karo-tx-linux.git] / drivers / staging / greybus / connection.h

diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h
index f06ff92d74875f15dbfffe21c94a8eec68b88aca..0dbbc202e9539087bb1e0b0630bfda496755f1aa 100644 (file)
--- a/drivers/staging/greybus/connection.h
+++ b/drivers/staging/greybus/connection.h
@@ -2,6 +2,7 @@
  * Greybus connections
  *
  * Copyright 2014 Google Inc.
+ * Copyright 2014 Linaro Ltd.
  *
  * Released under the GPLv2 only.
  */
@@ -11,23 +12,60 @@
 
 #include <linux/list.h>
 
-#include "greybus.h"
+enum gb_connection_state {
+       GB_CONNECTION_STATE_INVALID     = 0,
+       GB_CONNECTION_STATE_DISABLED    = 1,
+       GB_CONNECTION_STATE_ENABLED     = 2,
+       GB_CONNECTION_STATE_ERROR       = 3,
+       GB_CONNECTION_STATE_DESTROYING  = 4,
+};
 
 struct gb_connection {
-       struct gb_function              *function;
        struct greybus_host_device      *hd;
-       u16                             cport_id;       /* Host side */
+       struct gb_bundle                *bundle;
+       struct device                   dev;
+       u16                             hd_cport_id;
+       u16                             intf_cport_id;
+
+       struct list_head                hd_links;
+       struct list_head                bundle_links;
 
-       struct list_head                host_links;
+       struct gb_protocol              *protocol;
+       u8                              protocol_id;
+       u8                              major;
+       u8                              minor;
+       u8                              module_major;
+       u8                              module_minor;
 
+       spinlock_t                      lock;
+       enum gb_connection_state        state;
        struct list_head                operations;
+
+       struct workqueue_struct         *wq;
+
        atomic_t                        op_cycle;
+
+       void                            *private;
 };
+#define to_gb_connection(d) container_of(d, struct gb_connection, dev)
 
-struct gb_connection *gb_connection_create(struct greybus_host_device *hd,
-                                       struct gb_function *function);
+int svc_update_connection(struct gb_interface *intf,
+                         struct gb_connection *connection);
+struct gb_connection *gb_connection_create(struct gb_bundle *bundle,
+                               u16 cport_id, u8 protocol_id);
+struct gb_connection *gb_connection_create_range(struct greybus_host_device *hd,
+                          struct gb_bundle *bundle, struct device *parent,
+                          u16 cport_id, u8 protocol_id, u32 ida_start,
+                          u32 ida_end);
 void gb_connection_destroy(struct gb_connection *connection);
 
-u16 gb_connection_op_id(struct gb_connection *connection);
+int gb_connection_init(struct gb_connection *connection);
+void gb_connection_exit(struct gb_connection *connection);
+void gb_hd_connections_exit(struct greybus_host_device *hd);
+
+void greybus_data_rcvd(struct greybus_host_device *hd, u16 cport_id,
+                       u8 *data, size_t length);
+
+void gb_connection_bind_protocol(struct gb_connection *connection);
 
 #endif /* __CONNECTION_H */