include/linux/usb/typec_retimer.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #ifndef __USB_TYPEC_RETIMER
   4 #define __USB_TYPEC_RETIMER
   5
   6 #include <linux/property.h>
   7 #include <linux/usb/typec.h>
   8
   9 struct device;
  10 struct typec_retimer;
  11 struct typec_altmode;
  12 struct fwnode_handle;
  13
  14 struct typec_retimer_state {
  15         struct typec_altmode *alt;
  16         unsigned long mode;
  17         void *data;
  18 };
  19
  20 typedef int (*typec_retimer_set_fn_t)(struct typec_retimer *retimer,
  21                                       struct typec_retimer_state *state);
  22
  23 struct typec_retimer_desc {
  24         struct fwnode_handle *fwnode;
  25         typec_retimer_set_fn_t set;
  26         const char *name;
  27         void *drvdata;
  28 };
  29
  30 struct typec_retimer *fwnode_typec_retimer_get(struct fwnode_handle *fwnode);
  31 void typec_retimer_put(struct typec_retimer *retimer);
  32 int typec_retimer_set(struct typec_retimer *retimer, struct typec_retimer_state *state);
  33
  34 static inline struct typec_retimer *typec_retimer_get(struct device *dev)
  35 {
  36         return fwnode_typec_retimer_get(dev_fwnode(dev));
  37 }
  38
  39 struct typec_retimer *
  40 typec_retimer_register(struct device *parent, const struct typec_retimer_desc *desc);
  41 void typec_retimer_unregister(struct typec_retimer *retimer);
  42
  43 void *typec_retimer_get_drvdata(struct typec_retimer *retimer);
  44
  45 #endif /* __USB_TYPEC_RETIMER */