mirror of
https://github.com/openharmony/drivers_peripheral.git
synced 2026-08-25 13:19:36 -04:00
yanghaizhou
118 lines
5.2 KiB
C
118 lines
5.2 KiB
C
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef USB_HOST_LINUX_ADAPTER_H
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#define USB_HOST_LINUX_ADAPTER_H
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#include "usb_raw_api_library.h"
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#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 30
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#include <sys/syscall.h>
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static inline pid_t gettid()
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{
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return syscall(SYS_gettid);
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}
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#endif
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#define USBDEV_PATH "/dev"
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#define USB_DEV_FS_PATH "/dev/bus/usb"
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#define BUS_OFFSET 8
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#define MAX_BULK_DATA_BUFFER_LENGTH 4096
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#define MAX_BULK_URBS_PER_REQUEST 1
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#define MAX_ISO_PACKETS_PER_URB 128
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#define MAX_ISO_DATA_BUFFER_LEN (8 * 1024)
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#define MAX_ISO_URBS_PER_REQUEST (((MAX_ISO_DATA_BUFFER_LEN - 1) / MAX_ISO_PACKETS_PER_URB) + 1)
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#define URBS_PER_REQUEST MAX(MAX_BULK_URBS_PER_REQUEST, MAX_ISO_URBS_PER_REQUEST)
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#define MAX_ISO_SHARE_MEMERY_SIZE sizeof(struct UsbHostRequest) + \
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(URBS_PER_REQUEST * sizeof(struct UsbAdapterUrb)) + MAX_ISO_DATA_BUFFER_LEN
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#define MAX_BULK_SHARE_MEMERY_SIZE sizeof(struct UsbHostRequest) + \
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(URBS_PER_REQUEST * sizeof(struct UsbAdapterUrb)) + MAX_BULK_DATA_BUFFER_LENGTH
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#define MAX_CTRL_BUFFER_LENGTH 4096
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#define USB_ADAPTER_URB_TYPE_ISO 0
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#define USB_ADAPTER_URB_TYPE_INTERRUPT 1
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#define USB_ADAPTER_URB_TYPE_CONTROL 2
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#define USB_ADAPTER_URB_TYPE_BULK 3
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#define USB_ADAPTER_URB_SHORT_NOT_OK 0x01
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#define USB_ADAPTER_URB_ISO_ASAP 0x02
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#define USB_ADAPTER_URB_BULK_CONTINUATION 0x04
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#define USB_ADAPTER_URB_QUEUE_BULK 0x10
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#define USB_ADAPTER_URB_ZERO_PACKET 0x40
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#define USB_ADAPTER_CAP_ZERO_PACKET 0x01
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#define USB_ADAPTER_CAP_BULK_CONTINUATION 0x02
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#define USB_ADAPTER_CAP_NO_PACKET_SIZE_LIM 0x04
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#define USB_ADAPTER_CAP_BULK_SCATTER_GATHER 0x08
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#define USB_ADAPTER_CAP_REAP_AFTER_DISCONNECT 0x10
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#define USBDEVFS_CONTROL _IOWR('U', 0, struct UsbControlRequestData)
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#define USBDEVFS_SETINTERFACE _IOR('U', 4, struct UsbAdapterSetInterface)
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#define USBDEVFS_SETCONFIGURATION _IOR('U', 5, unsigned int)
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#define USBDEVFS_SUBMITURB _IOR('U', 10, struct UsbAdapterUrb)
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#define USBDEVFS_DISCARDURB _IO('U', 11)
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#define USBDEVFS_REAPURB _IOW('U', 12, void *)
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#define USBDEVFS_CLAIMINTERFACE _IOR('U', 15, unsigned int)
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#define USBDEVFS_RELEASEINTERFACE _IOR('U', 16, unsigned int)
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#define USBDEVFS_RESET _IO('U', 20)
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#define USBDEVFS_CLEAR_HALT _IOR('U', 21, unsigned int)
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#define USBDEVFS_GET_CAPABILITIES _IOR('U', 26, unsigned int)
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#define USBDEVFS_ALLOC_STREAMS _IOR('U', 28, struct UsbAdapterStreams)
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#define USBDEVFS_FREE_STREAMS _IOR('U', 29, struct UsbAdapterStreams)
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struct UsbAdapterSetInterface {
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unsigned int interface;
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unsigned int altSetting;
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};
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struct UsbAdapterStreams {
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unsigned int numStreams;
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unsigned int numEps;
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unsigned char eps[0];
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};
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struct UsbOsAdapterOps {
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int32_t (*init)(const struct UsbSession *session);
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void (*exit)(const struct UsbSession *session);
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struct UsbDeviceHandle *(*openDevice)(struct UsbSession *session, uint8_t busNum, uint8_t usbAddr);
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void (*closeDevice)(struct UsbDeviceHandle *devHandle);
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int32_t (*getConfigDescriptor)(const struct UsbDevice *device, uint8_t configIndex, void *buffer, size_t len);
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int32_t (*getConfiguration)(const struct UsbDeviceHandle *devHandle, uint8_t *activeConfig);
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int32_t (*setConfiguration)(struct UsbDeviceHandle *devHandle, int32_t activeConfig);
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int32_t (*claimInterface)(const struct UsbDeviceHandle *devHandle, unsigned int interfaceNumber);
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int32_t (*releaseInterface)(const struct UsbDeviceHandle *devHandle, unsigned int interfaceNumber);
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int32_t (*setInterfaceAltsetting)(const struct UsbDeviceHandle *devHandle, uint8_t interfaceNumber,
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uint8_t altsetting);
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int32_t (*clearHalt)(const struct UsbDeviceHandle *devHandle, unsigned int endpoint);
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int32_t (*resetDevice)(const struct UsbDeviceHandle *devHandle);
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struct UsbHostRequest *(*allocRequest)(const struct UsbDeviceHandle *handle, int32_t isoPackets, size_t len);
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int32_t (*freeRequest)(struct UsbHostRequest *request);
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int32_t (*submitRequest)(struct UsbHostRequest *request);
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int32_t (*cancelRequest)(struct UsbHostRequest *request);
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int32_t (*urbCompleteHandle)(const struct UsbDeviceHandle *devHandle);
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};
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struct UsbOsAdapterOps *UsbAdapterGetOps(void);
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UsbRawTidType UsbAdapterGetTid(void);
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int32_t UsbAdapterRegisterSignal(void);
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int32_t UsbAdapterKillSignal(struct UsbDeviceHandle *devHandle, UsbRawTidType tid);
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int32_t AdapterAtomicInc(OsalAtomic *v);
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int32_t AdapterAtomicDec(OsalAtomic *v);
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#endif /* USB_HOST_LINUX_ADAPTER_H */
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