drivers/usb/typec/bus.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #ifndef __USB_TYPEC_ALTMODE_H__
   4 #define __USB_TYPEC_ALTMODE_H__
   5
   6 #include <linux/usb/typec_altmode.h>
   7 #include <linux/usb/typec_mux.h>
   8
   9 struct bus_type;
  10
  11 struct altmode {
  12         unsigned int                    id;
  13         struct typec_altmode            adev;
  14         struct typec_mux                *mux;
  15
  16         enum typec_port_data            roles;
  17
  18         struct attribute                *attrs[5];
  19         char                            group_name[8];
  20         struct attribute_group          group;
  21         const struct attribute_group    *groups[2];
  22
  23         struct altmode                  *partner;
  24         struct altmode                  *plug[2];
  25
  26         struct blocking_notifier_head   nh;
  27 };
  28
  29 #define to_altmode(d) container_of(d, struct altmode, adev)
  30
  31 extern struct bus_type typec_bus;
  32 extern const struct device_type typec_altmode_dev_type;
  33 extern const struct device_type typec_port_dev_type;
  34
  35 #define is_typec_altmode(_dev_) (_dev_->type == &typec_altmode_dev_type)
  36 #define is_typec_port(_dev_) (_dev_->type == &typec_port_dev_type)
  37
  38 extern struct class typec_mux_class;
  39
  40 struct typec_switch {
  41         struct device dev;
  42         typec_switch_set_fn_t set;
  43 };
  44
  45 struct typec_mux {
  46         struct device dev;
  47         typec_mux_set_fn_t set;
  48 };
  49
  50 #define to_typec_switch(_dev_) container_of(_dev_, struct typec_switch, dev)
  51 #define to_typec_mux(_dev_) container_of(_dev_, struct typec_mux, dev)
  52
  53 #endif /* __USB_TYPEC_ALTMODE_H__ */