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authorsakumisu <[email protected]>2022-01-29 23:21:40 +0800
committersakimusu <[email protected]>2022-01-30 22:06:00 +0800
commitb5964103e25d05bd30b939b7e8d36a10c5ff8fea (patch)
treeb555778e5e7d6b0b49f6b317b32f946fb9367778 /common/usb_hc.h
parent8588d6943eac18f7f8784fcc438b732ca35cd875 (diff)
add ehci and synopsys hcd driver
Diffstat (limited to 'common/usb_hc.h')
-rw-r--r--common/usb_hc.h213
1 files changed, 213 insertions, 0 deletions
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+/**
+ * @file usb_hc.h
+ * @brief
+ *
+ * Copyright (c) 2022 sakumisu
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+#ifndef _USB_HC_H
+#define _USB_HC_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*usbh_asynch_callback_t)(void *arg, int nbytes);
+typedef void *usbh_epinfo_t;
+/**
+ * @brief USB Endpoint Configuration.
+ *
+ * Structure containing the USB endpoint configuration.
+ */
+struct usbh_endpoint_cfg {
+ struct usbh_hubport *hport;
+ /** The number associated with the EP in the device
+ * configuration structure
+ * IN EP = 0x80 | \<endpoint number\>
+ * OUT EP = 0x00 | \<endpoint number\>
+ */
+ uint8_t ep_addr;
+ /** Endpoint Transfer Type.
+ * May be Bulk, Interrupt, Control or Isochronous
+ */
+ uint8_t ep_type;
+ uint8_t ep_interval;
+ /** Endpoint max packet size */
+ uint16_t ep_mps;
+};
+
+/**
+ * @brief USB Host Core Layer API
+ * @defgroup _usb_host_core_api USB Host Core API
+ * @{
+ */
+
+/**
+ * @brief usb host controller hardware init.
+ *
+ * @return int
+ */
+int usb_hc_init(void);
+
+/**
+ * @brief reset roothub port
+ *
+ * @param port port index
+ * @return int
+ */
+int usbh_reset_port(const uint8_t port);
+
+/**
+ * @brief get roothub port speed
+ *
+ * @param port port index
+ * @return return 0 means USB_SPEED_LOW, 1 means USB_SPEED_FULL and 2 means USB_SPEED_HIGH.
+ */
+uint8_t usbh_get_port_speed(const uint8_t port);
+
+/**
+ * @brief reconfig control endpoint.
+ *
+ * @param ep A memory location provided by the caller.
+ * @param dev_addr device address.
+ * @param ep_mps control endpoint max packet size.
+ * @param speed port speed
+ * @return On success will return 0, and others indicate fail.
+ */
+int usbh_ep0_reconfigure(usbh_epinfo_t ep, uint8_t dev_addr, uint8_t ep_mps, uint8_t speed);
+
+/**
+ * @brief Allocate and config endpoint
+ *
+ * @param ep A memory location provided by the caller in which to save the allocated endpoint info.
+ * @param ep_cfg Describes the endpoint info to be allocated.
+ * @return On success will return 0, and others indicate fail.
+ */
+int usbh_ep_alloc(usbh_epinfo_t *ep, const struct usbh_endpoint_cfg *ep_cfg);
+
+/**
+ * @brief Free a memory in which saves endpoint info.
+ *
+ * @param ep A memory location provided by the caller in which to free the allocated endpoint info.
+ * @return On success will return 0, and others indicate fail.
+ */
+int usbh_ep_free(usbh_epinfo_t ep);
+
+/**
+ * @brief Perform a control transfer.
+ * This is a blocking method; this method will not return until the transfer has completed.
+ *
+ * @param ep The control endpoint to send/receive the control request.
+ * @param setup Setup packet to be sent.
+ * @param buffer buffer used for sending the request and for returning any responses. This buffer must be large enough to hold the length value
+ * in the request description.
+ * @return On success will return 0, and others indicate fail.
+ */
+int usbh_control_transfer(usbh_epinfo_t ep, struct usb_setup_packet *setup, uint8_t *buffer);
+
+/**
+ * @brief Process a request to handle a transfer descriptor. This method will
+ * enqueue the transfer request and wait for it to complete. Only one transfer may be queued;
+ * This is a blocking method; this method will not return until the transfer has completed.
+ *
+ * @param ep The IN or OUT endpoint descriptor for the device endpoint on which to perform the transfer.
+ * @param buffer A buffer containing the data to be sent (OUT endpoint) or received (IN endpoint).
+ * @param buflen The length of the data to be sent or received.
+ * @return On success, a non-negative value is returned that indicates the number
+ * of bytes successfully transferred. On a failure, a negated errno value
+ * is returned that indicates the nature of the failure:
+ *
+ * EAGAIN - If devices NAKs the transfer (or NYET or other error where
+ * it may be appropriate to restart the entire transaction).
+ * EPERM - If the endpoint stalls
+ * EIO - On a TX or data toggle error
+ * EPIPE - Overrun errors
+ *
+ */
+int usbh_ep_bulk_transfer(usbh_epinfo_t ep, uint8_t *buffer, uint32_t buflen);
+
+/**
+ * @brief Process a request to handle a transfer descriptor. This method will
+ * enqueue the transfer request and wait for it to complete. Only one transfer may be queued;
+ * This is a blocking method; this method will not return until the transfer has completed.
+ *
+ * @param ep The IN or OUT endpoint descriptor for the device endpoint on which to perform the transfer.
+ * @param buffer A buffer containing the data to be sent (OUT endpoint) or received (IN endpoint).
+ * @param buflen The length of the data to be sent or received.
+ * @return On success, a non-negative value is returned that indicates the number
+ * of bytes successfully transferred. On a failure, a negated errno value
+ * is returned that indicates the nature of the failure:
+ *
+ * EAGAIN - If devices NAKs the transfer (or NYET or other error where
+ * it may be appropriate to restart the entire transaction).
+ * EPERM - If the endpoint stalls
+ * EIO - On a TX or data toggle error
+ * EPIPE - Overrun errors
+ *
+ */
+int usbh_ep_intr_transfer(usbh_epinfo_t ep, uint8_t *buffer, uint32_t buflen);
+
+/**
+ * @brief Process a request to handle a transfer asynchronously. This method
+ * will enqueue the transfer request and return immediately. Only one transfer may be queued on a given endpoint
+ * When the transfer completes, the callback will be invoked with the provided argument.
+ *
+ * This method is useful for receiving interrupt transfers which may come infrequently.
+ *
+ * @param ep The IN or OUT endpoint descriptor for the device endpoint on which to perform the transfer.
+ * @param buffer A buffer containing the data to be sent (OUT endpoint) or received (IN endpoint).
+ * @param buflen The length of the data to be sent or received.
+ * @param callback This function will be called when the transfer completes.
+ * @param arg The arbitrary parameter that will be passed to the callback function when the transfer completes.
+ *
+ * @return On success will return 0, and others indicate fail.
+ */
+int usbh_ep_bulk_async_transfer(usbh_epinfo_t ep, uint8_t *buffer, uint32_t buflen, usbh_asynch_callback_t callback, void *arg);
+
+/**
+ * @brief Process a request to handle a transfer asynchronously. This method
+ * will enqueue the transfer request and return immediately. Only one transfer may be queued on a given endpoint
+ * When the transfer completes, the callback will be invoked with the provided argument.
+ *
+ * This method is useful for receiving interrupt transfers which may come infrequently.
+ *
+ * @param ep The IN or OUT endpoint descriptor for the device endpoint on which to perform the transfer.
+ * @param buffer A buffer containing the data to be sent (OUT endpoint) or received (IN endpoint).
+ * @param buflen The length of the data to be sent or received.
+ * @param callback This function will be called when the transfer completes.
+ * @param arg The arbitrary parameter that will be passed to the callback function when the transfer completes.
+ *
+ * @return On success will return 0, and others indicate fail.
+ */
+int usbh_ep_intr_async_transfer(usbh_epinfo_t ep, uint8_t *buffer, uint32_t buflen, usbh_asynch_callback_t callback, void *arg);
+
+/**
+ * @brief Cancel any pending syncrhonous or asynchronous transfer on an endpoint.
+ *
+ * @param ep The IN or OUT endpoint descriptor for the device endpoint on which to cancel.
+ * @return On success will return 0, and others indicate fail.
+ */
+int usb_ep_cancel(usbh_epinfo_t ep);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif