LXR linux/include/linux/usb/typec

   1// SPDX-License-Identifier: GPL-2.0
   2
   3#ifndef __USB_TYPEC_MUX
   4#define __USB_TYPEC_MUX
   5
   6#include <linux/list.h>
   7#include <linux/usb/typec.h>
   8
   9struct device;
  10
  11/**
  12 * struct typec_switch - USB Type-C cable orientation switch
  13 * @dev: Switch device
  14 * @entry: List entry
  15 * @set: Callback to the driver for setting the orientation
  16 *
  17 * USB Type-C pin flipper switch routing the correct data pairs from the
  18 * connector to the USB controller depending on the orientation of the cable
  19 * plug.
  20 */
  21struct typec_switch {
  22        struct device *dev;
  23        struct list_head entry;
  24
  25        int (*set)(struct typec_switch *sw, enum typec_orientation orientation);
  26};
  27
  28/**
  29 * struct typec_switch - USB Type-C connector pin mux
  30 * @dev: Mux device
  31 * @entry: List entry
  32 * @set: Callback to the driver for setting the state of the mux
  33 *
  34 * Pin Multiplexer/DeMultiplexer switch routing the USB Type-C connector pins to
  35 * different components depending on the requested mode of operation. Used with
  36 * Accessory/Alternate modes.
  37 */
  38struct typec_mux {
  39        struct device *dev;
  40        struct list_head entry;
  41
  42        int (*set)(struct typec_mux *mux, int state);
  43};
  44
  45struct typec_switch *typec_switch_get(struct device *dev);
  46void typec_switch_put(struct typec_switch *sw);
  47int typec_switch_register(struct typec_switch *sw);
  48void typec_switch_unregister(struct typec_switch *sw);
  49
  50struct typec_mux *
  51typec_mux_get(struct device *dev, const struct typec_altmode_desc *desc);
  52void typec_mux_put(struct typec_mux *mux);
  53int typec_mux_register(struct typec_mux *mux);
  54void typec_mux_unregister(struct typec_mux *mux);
  55
  56#endif /* __USB_TYPEC_MUX */
  57