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path: root/drivers/staging/greybus/connection.h
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Diffstat (limited to 'drivers/staging/greybus/connection.h')
-rw-r--r--drivers/staging/greybus/connection.h128
1 files changed, 0 insertions, 128 deletions
diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h
deleted file mode 100644
index 5ca3befc0636..000000000000
--- a/drivers/staging/greybus/connection.h
+++ /dev/null
@@ -1,128 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Greybus connections
- *
- * Copyright 2014 Google Inc.
- * Copyright 2014 Linaro Ltd.
- */
-
-#ifndef __CONNECTION_H
-#define __CONNECTION_H
-
-#include <linux/list.h>
-#include <linux/kfifo.h>
-
-#define GB_CONNECTION_FLAG_CSD BIT(0)
-#define GB_CONNECTION_FLAG_NO_FLOWCTRL BIT(1)
-#define GB_CONNECTION_FLAG_OFFLOADED BIT(2)
-#define GB_CONNECTION_FLAG_CDSI1 BIT(3)
-#define GB_CONNECTION_FLAG_CONTROL BIT(4)
-#define GB_CONNECTION_FLAG_HIGH_PRIO BIT(5)
-
-#define GB_CONNECTION_FLAG_CORE_MASK GB_CONNECTION_FLAG_CONTROL
-
-enum gb_connection_state {
- GB_CONNECTION_STATE_DISABLED = 0,
- GB_CONNECTION_STATE_ENABLED_TX = 1,
- GB_CONNECTION_STATE_ENABLED = 2,
- GB_CONNECTION_STATE_DISCONNECTING = 3,
-};
-
-struct gb_operation;
-
-typedef int (*gb_request_handler_t)(struct gb_operation *);
-
-struct gb_connection {
- struct gb_host_device *hd;
- struct gb_interface *intf;
- struct gb_bundle *bundle;
- struct kref kref;
- u16 hd_cport_id;
- u16 intf_cport_id;
-
- struct list_head hd_links;
- struct list_head bundle_links;
-
- gb_request_handler_t handler;
- unsigned long flags;
-
- struct mutex mutex;
- spinlock_t lock;
- enum gb_connection_state state;
- struct list_head operations;
-
- char name[16];
- struct workqueue_struct *wq;
-
- atomic_t op_cycle;
-
- void *private;
-
- bool mode_switch;
-};
-
-struct gb_connection *gb_connection_create_static(struct gb_host_device *hd,
- u16 hd_cport_id, gb_request_handler_t handler);
-struct gb_connection *gb_connection_create_control(struct gb_interface *intf);
-struct gb_connection *gb_connection_create(struct gb_bundle *bundle,
- u16 cport_id, gb_request_handler_t handler);
-struct gb_connection *gb_connection_create_flags(struct gb_bundle *bundle,
- u16 cport_id, gb_request_handler_t handler,
- unsigned long flags);
-struct gb_connection *gb_connection_create_offloaded(struct gb_bundle *bundle,
- u16 cport_id, unsigned long flags);
-void gb_connection_destroy(struct gb_connection *connection);
-
-static inline bool gb_connection_is_static(struct gb_connection *connection)
-{
- return !connection->intf;
-}
-
-int gb_connection_enable(struct gb_connection *connection);
-int gb_connection_enable_tx(struct gb_connection *connection);
-void gb_connection_disable_rx(struct gb_connection *connection);
-void gb_connection_disable(struct gb_connection *connection);
-void gb_connection_disable_forced(struct gb_connection *connection);
-
-void gb_connection_mode_switch_prepare(struct gb_connection *connection);
-void gb_connection_mode_switch_complete(struct gb_connection *connection);
-
-void greybus_data_rcvd(struct gb_host_device *hd, u16 cport_id,
- u8 *data, size_t length);
-
-void gb_connection_latency_tag_enable(struct gb_connection *connection);
-void gb_connection_latency_tag_disable(struct gb_connection *connection);
-
-static inline bool gb_connection_e2efc_enabled(struct gb_connection *connection)
-{
- return !(connection->flags & GB_CONNECTION_FLAG_CSD);
-}
-
-static inline bool
-gb_connection_flow_control_disabled(struct gb_connection *connection)
-{
- return connection->flags & GB_CONNECTION_FLAG_NO_FLOWCTRL;
-}
-
-static inline bool gb_connection_is_offloaded(struct gb_connection *connection)
-{
- return connection->flags & GB_CONNECTION_FLAG_OFFLOADED;
-}
-
-static inline bool gb_connection_is_control(struct gb_connection *connection)
-{
- return connection->flags & GB_CONNECTION_FLAG_CONTROL;
-}
-
-static inline void *gb_connection_get_data(struct gb_connection *connection)
-{
- return connection->private;
-}
-
-static inline void gb_connection_set_data(struct gb_connection *connection,
- void *data)
-{
- connection->private = data;
-}
-
-#endif /* __CONNECTION_H */