1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Greybus CPort control protocol
4  *
5  * Copyright 2015 Google Inc.
6  * Copyright 2015 Linaro Ltd.
7  */
8 
9 #ifndef __CONTROL_H
10 #define __CONTROL_H
11 
12 #include <linux/types.h>
13 #include <linux/device.h>
14 
15 struct gb_control {
16 	struct device dev;
17 	struct gb_interface *intf;
18 
19 	struct gb_connection *connection;
20 
21 	u8 protocol_major;
22 	u8 protocol_minor;
23 
24 	bool has_bundle_activate;
25 	bool has_bundle_version;
26 
27 	char *vendor_string;
28 	char *product_string;
29 };
30 #define to_gb_control(d) container_of(d, struct gb_control, dev)
31 
32 struct gb_control *gb_control_create(struct gb_interface *intf);
33 int gb_control_enable(struct gb_control *control);
34 void gb_control_disable(struct gb_control *control);
35 int gb_control_suspend(struct gb_control *control);
36 int gb_control_resume(struct gb_control *control);
37 int gb_control_add(struct gb_control *control);
38 void gb_control_del(struct gb_control *control);
39 struct gb_control *gb_control_get(struct gb_control *control);
40 void gb_control_put(struct gb_control *control);
41 
42 int gb_control_get_bundle_versions(struct gb_control *control);
43 int gb_control_connected_operation(struct gb_control *control, u16 cport_id);
44 int gb_control_disconnected_operation(struct gb_control *control, u16 cport_id);
45 int gb_control_disconnecting_operation(struct gb_control *control,
46 				       u16 cport_id);
47 int gb_control_mode_switch_operation(struct gb_control *control);
48 void gb_control_mode_switch_prepare(struct gb_control *control);
49 void gb_control_mode_switch_complete(struct gb_control *control);
50 int gb_control_get_manifest_size_operation(struct gb_interface *intf);
51 int gb_control_get_manifest_operation(struct gb_interface *intf, void *manifest,
52 				      size_t size);
53 int gb_control_bundle_suspend(struct gb_control *control, u8 bundle_id);
54 int gb_control_bundle_resume(struct gb_control *control, u8 bundle_id);
55 int gb_control_bundle_deactivate(struct gb_control *control, u8 bundle_id);
56 int gb_control_bundle_activate(struct gb_control *control, u8 bundle_id);
57 int gb_control_interface_suspend_prepare(struct gb_control *control);
58 int gb_control_interface_deactivate_prepare(struct gb_control *control);
59 int gb_control_interface_hibernate_abort(struct gb_control *control);
60 #endif /* __CONTROL_H */
61