drivers/staging/greybus/control.h

   1 /*
   2  * Greybus CPort control protocol
   3  *
   4  * Copyright 2015 Google Inc.
   5  * Copyright 2015 Linaro Ltd.
   6  *
   7  * Released under the GPLv2 only.
   8  */
   9
  10 #ifndef __CONTROL_H
  11 #define __CONTROL_H
  12
  13 struct gb_control {
  14         struct device dev;
  15         struct gb_interface *intf;
  16
  17         struct gb_connection *connection;
  18
  19         u8 protocol_major;
  20         u8 protocol_minor;
  21
  22         bool has_bundle_version;
  23
  24         char *vendor_string;
  25         char *product_string;
  26 };
  27 #define to_gb_control(d) container_of(d, struct gb_control, dev)
  28
  29 struct gb_control *gb_control_create(struct gb_interface *intf);
  30 int gb_control_enable(struct gb_control *control);
  31 void gb_control_disable(struct gb_control *control);
  32 int gb_control_add(struct gb_control *control);
  33 void gb_control_del(struct gb_control *control);
  34 struct gb_control *gb_control_get(struct gb_control *control);
  35 void gb_control_put(struct gb_control *control);
  36
  37 int gb_control_get_bundle_versions(struct gb_control *control);
  38 int gb_control_connected_operation(struct gb_control *control, u16 cport_id);
  39 int gb_control_disconnected_operation(struct gb_control *control, u16 cport_id);
  40 int gb_control_disconnecting_operation(struct gb_control *control,
  41                                         u16 cport_id);
  42 int gb_control_mode_switch_operation(struct gb_control *control);
  43 void gb_control_mode_switch_prepare(struct gb_control *control);
  44 void gb_control_mode_switch_complete(struct gb_control *control);
  45 int gb_control_get_manifest_size_operation(struct gb_interface *intf);
  46 int gb_control_get_manifest_operation(struct gb_interface *intf, void *manifest,
  47                                       size_t size);
  48 int gb_control_timesync_enable(struct gb_control *control, u8 count,
  49                                u64 frame_time, u32 strobe_delay, u32 refclk);
  50 int gb_control_timesync_disable(struct gb_control *control);
  51 int gb_control_timesync_get_last_event(struct gb_control *control,
  52                                        u64 *frame_time);
  53 int gb_control_timesync_authoritative(struct gb_control *control,
  54                                       u64 *frame_time);
  55
  56 #endif /* __CONTROL_H */