| /* |
| * Copyright (c) 2023 Nordic Semiconductor ASA |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_INCLUDE_USBH_DEVICE_H |
| #define ZEPHYR_INCLUDE_USBH_DEVICE_H |
| |
| #include <stdint.h> |
| #include <zephyr/usb/usbh.h> |
| #include <zephyr/drivers/usb/uhc.h> |
| |
| /* USB device state */ |
| enum usb_device_state { |
| USB_STATE_NOTCONNECTED, |
| USB_STATE_DEFAULT, |
| USB_STATE_ADDRESSED, |
| USB_STATE_CONFIGURED, |
| }; |
| |
| /* Host support view of a USB device */ |
| struct usb_device { |
| struct usbh_contex *ctx; |
| struct usb_device_descriptor dev_desc; |
| enum usb_device_state state; |
| uint8_t actual_cfg; |
| uint8_t addr; |
| }; |
| |
| /* Callback type to be used for e.g. synchronous requests */ |
| typedef int (*usbh_udev_cb_t)(struct usb_device *const udev, |
| struct uhc_transfer *const xfer); |
| |
| /* |
| * Get a device to work on, there will only be one for the first time |
| * until we implement USB device configuration/management. |
| */ |
| struct usb_device *usbh_device_get_any(struct usbh_contex *const ctx); |
| |
| /* Wrappers around to avoid glue UHC calls. */ |
| static inline struct uhc_transfer *usbh_xfer_alloc(struct usb_device *udev, |
| const uint8_t ep, |
| const uint8_t attrib, |
| const uint16_t mps, |
| const uint16_t timeout, |
| usbh_udev_cb_t *const cb) |
| { |
| struct usbh_contex *const ctx = udev->ctx; |
| |
| return uhc_xfer_alloc(ctx->dev, udev->addr, ep, attrib, mps, timeout, udev, cb); |
| } |
| |
| static inline int usbh_xfer_buf_add(const struct usb_device *udev, |
| struct uhc_transfer *const xfer, |
| struct net_buf *buf) |
| { |
| struct usbh_contex *const ctx = udev->ctx; |
| |
| return uhc_xfer_buf_add(ctx->dev, xfer, buf); |
| } |
| |
| static inline struct net_buf *usbh_xfer_buf_alloc(struct usb_device *udev, |
| const size_t size) |
| { |
| struct usbh_contex *const ctx = udev->ctx; |
| |
| return uhc_xfer_buf_alloc(ctx->dev, size); |
| } |
| |
| static inline int usbh_xfer_free(const struct usb_device *udev, |
| struct uhc_transfer *const xfer) |
| { |
| struct usbh_contex *const ctx = udev->ctx; |
| |
| return uhc_xfer_free(ctx->dev, xfer); |
| } |
| |
| static inline void usbh_xfer_buf_free(const struct usb_device *udev, |
| struct net_buf *const buf) |
| { |
| struct usbh_contex *const ctx = udev->ctx; |
| |
| uhc_xfer_buf_free(ctx->dev, buf); |
| } |
| |
| static inline int usbh_xfer_enqueue(const struct usb_device *udev, |
| struct uhc_transfer *const xfer) |
| { |
| struct usbh_contex *const ctx = udev->ctx; |
| |
| return uhc_ep_enqueue(ctx->dev, xfer); |
| } |
| |
| #endif /* ZEPHYR_INCLUDE_USBH_DEVICE_H */ |