177 lines
4.6 KiB
C
177 lines
4.6 KiB
C
#ifndef __USB_H__
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#define __USB_H__
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#define USB_MAXPATH IPC_MAXPATH_LEN
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#define USB_OK 0
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#define USB_FAILED 1
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/* Descriptor types */
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#define USB_DT_DEVICE 0x01
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#define USB_DT_CONFIG 0x02
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#define USB_DT_STRING 0x03
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#define USB_DT_INTERFACE 0x04
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#define USB_DT_ENDPOINT 0x05
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/* Standard requests */
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#define USB_REQ_GETSTATUS 0x00
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#define USB_REQ_CLEARFEATURE 0x01
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#define USB_REQ_SETFEATURE 0x03
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#define USB_REQ_SETADDRESS 0x05
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#define USB_REQ_GETDESCRIPTOR 0x06
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#define USB_REQ_SETDESCRIPTOR 0x07
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#define USB_REQ_GETCONFIG 0x08
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#define USB_REQ_SETCONFIG 0x09
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#define USB_REQ_GETINTERFACE 0x0a
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#define USB_REQ_SETINTERFACE 0x0b
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#define USB_REQ_SYNCFRAME 0x0c
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/* Descriptor sizes per descriptor type */
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#define USB_DT_DEVICE_SIZE 18
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#define USB_DT_CONFIG_SIZE 9
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#define USB_DT_INTERFACE_SIZE 9
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#define USB_DT_ENDPOINT_SIZE 7
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#define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */
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#define USB_DT_HUB_NONVAR_SIZE 7
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/* control message request type bitmask */
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#define USB_CTRLTYPE_DIR_HOST2DEVICE (0<<7)
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#define USB_CTRLTYPE_DIR_DEVICE2HOST (1<<7)
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#define USB_CTRLTYPE_TYPE_STANDARD (0<<5)
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#define USB_CTRLTYPE_TYPE_CLASS (1<<5)
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#define USB_CTRLTYPE_TYPE_VENDOR (2<<5)
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#define USB_CTRLTYPE_TYPE_RESERVED (3<<5)
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#define USB_CTRLTYPE_REC_DEVICE 0
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#define USB_CTRLTYPE_REC_INTERFACE 1
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#define USB_CTRLTYPE_REC_ENDPOINT 2
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#define USB_CTRLTYPE_REC_OTHER 3
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#define USB_FEATURE_ENDPOINT_HALT 0
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#define USB_ENDPOINT_IN 0x80
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#define USB_ENDPOINT_OUT 0x00
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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# define ATTRIBUTE_PACKED __attribute__((packed))
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typedef struct _usbctrlrequest {
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u8 bRequestType;
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u8 bRequest;
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u16 wValue;
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u16 wIndex;
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u16 wLength;
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} ATTRIBUTE_PACKED usbctrlrequest;
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typedef struct _usbendpointdesc
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{
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u8 bLength;
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u8 bDescriptorType;
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u8 bEndpointAddress;
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u8 bmAttributes;
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u16 wMaxPacketSize;
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u8 bInterval;
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u8 pad;
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} ATTRIBUTE_PACKED usb_endpointdesc;
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typedef struct _usbinterfacedesc
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{
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u8 bLength;
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u8 bDescriptorType;
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u8 bInterfaceNumber;
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u8 bAlternateSetting;
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u8 bNumEndpoints;
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u8 bInterfaceClass;
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u8 bInterfaceSubClass;
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u8 bInterfaceProtocol;
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u8 iInterface;
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struct _usbendpointdesc *endpoints;
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} ATTRIBUTE_PACKED usb_interfacedesc;
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typedef struct _usbconfdesc
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{
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u8 bLength;
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u8 bDescriptorType;
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u16 wTotalLength;
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u8 bNumInterfaces;
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u8 bConfigurationValue;
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u8 iConfiguration;
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u8 bmAttributes;
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u8 bMaxPower;
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struct _usbinterfacedesc *interfaces;
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} ATTRIBUTE_PACKED usb_configurationdesc;
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typedef struct _usbdevdesc
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{
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u8 bLength;
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u8 bDescriptorType;
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u16 bcdUSB;
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u8 bDeviceClass;
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u8 bDeviceSubClass;
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u8 bDeviceProtocol;
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u8 bMaxPacketSize0;
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u16 idVendor;
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u16 idProduct;
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u16 bcdDevice;
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u8 iManufacturer;
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u8 iProduct;
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u8 iSerialNumber;
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u8 bNumConfigurations;
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struct _usbconfdesc *configurations;
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} ATTRIBUTE_PACKED usb_devdesc;
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struct ehci_device;
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s32 USB_OpenDevice(const char *device,u16 vid,u16 pid,struct ehci_device **fd);
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s32 USB_CloseDevice(struct ehci_device **fd);
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s32 USB_GetDescriptors(struct ehci_device *fd, usb_devdesc *udd);
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void USB_FreeDescriptors(usb_devdesc *udd);
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s32 USB_GetDeviceDescription(struct ehci_device *fd,usb_devdesc *devdesc);
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void USB_SuspendDevice(struct ehci_device *fd);
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void USB_ResumeDevice(struct ehci_device *fd);
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s32 USB_ReadIntrMsg(struct ehci_device *fd,u8 bEndpoint,u16 wLength,void *rpData);
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s32 USB_ReadBlkMsg(struct ehci_device *fd,u8 bEndpoint,u16 wLength,void *rpData);
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s32 USB_ReadCtrlMsg(struct ehci_device *fd,u8 bmRequestType,u8 bmRequest,u16 wValue,u16 wIndex,u16 wLength,void *rpData);
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s32 USB_WriteIntrMsg(struct ehci_device *fd,u8 bEndpoint,u16 wLength,void *rpData);
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s32 USB_WriteBlkMsg(struct ehci_device *fd,u8 bEndpoint,u16 wLength,void *rpData);
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s32 USB_WriteCtrlMsg(struct ehci_device *fd,u8 bmRequestType,u8 bmRequest,u16 wValue,u16 wIndex,u16 wLength,void *rpData);
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s32 USB_GetConfiguration(struct ehci_device *fd, u8 *configuration);
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s32 USB_SetConfiguration(struct ehci_device *fd, u8 configuration);
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s32 USB_SetAlternativeInterface(struct ehci_device *fd, u8 interface, u8 alternateSetting);
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s32 USB_ClearHalt(struct ehci_device *fd, u8 endpointAddress);
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s32 USB_GetDeviceList(const char *devpath,void *descr_buffer,u8 num_descr,u8 b0,u8 *cnt_descr);
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/* alloc memory from the USB subsystem */
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void * USB_Alloc(int size);
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void USB_Free(void *ptr);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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