linux/usb/typec_retimer.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002
0003 #ifndef __USB_TYPEC_RETIMER
0004 #define __USB_TYPEC_RETIMER
0005
0006 #include <linux/property.h>
0007 #include <linux/usb/typec.h>
0008
0009 struct device;
0010 struct typec_retimer;
0011 struct typec_altmode;
0012 struct fwnode_handle;
0013
0014 struct typec_retimer_state {
0015     struct typec_altmode *alt;
0016     unsigned long mode;
0017     void *data;
0018 };
0019
0020 typedef int (*typec_retimer_set_fn_t)(struct typec_retimer *retimer,
0021                       struct typec_retimer_state *state);
0022
0023 struct typec_retimer_desc {
0024     struct fwnode_handle *fwnode;
0025     typec_retimer_set_fn_t set;
0026     const char *name;
0027     void *drvdata;
0028 };
0029
0030 struct typec_retimer *fwnode_typec_retimer_get(struct fwnode_handle *fwnode);
0031 void typec_retimer_put(struct typec_retimer *retimer);
0032 int typec_retimer_set(struct typec_retimer *retimer, struct typec_retimer_state *state);
0033
0034 static inline struct typec_retimer *typec_retimer_get(struct device *dev)
0035 {
0036     return fwnode_typec_retimer_get(dev_fwnode(dev));
0037 }
0038
0039 struct typec_retimer *
0040 typec_retimer_register(struct device *parent, const struct typec_retimer_desc *desc);
0041 void typec_retimer_unregister(struct typec_retimer *retimer);
0042
0043 void *typec_retimer_get_drvdata(struct typec_retimer *retimer);
0044
0045 #endif /* __USB_TYPEC_RETIMER */