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763 lines
22 KiB
763 lines
22 KiB
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2003
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* Gerry Hamel, geh@ti.com, Texas Instruments
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*
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* Based on linux/drivers/usbd/usbd.h
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*
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* Copyright (c) 2000, 2001, 2002 Lineo
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* Copyright (c) 2001 Hewlett Packard
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*
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* By:
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* Stuart Lynne <sl@lineo.com>,
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* Tom Rushworth <tbr@lineo.com>,
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* Bruce Balden <balden@lineo.com>
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*/
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#ifndef __USBDCORE_H__
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#define __USBDCORE_H__
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#include <common.h>
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#include "usbdescriptors.h"
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#define MAX_URBS_QUEUED 5
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#if 1
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#define usberr(fmt,args...) serial_printf("ERROR: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
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#else
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#define usberr(fmt,args...) do{}while(0)
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#endif
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#if 0
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#define usbdbg(fmt,args...) serial_printf("debug: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
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#else
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#define usbdbg(fmt,args...) do{}while(0)
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#endif
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#if 0
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#define usbinfo(fmt,args...) serial_printf("info: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
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#else
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#define usbinfo(fmt,args...) do{}while(0)
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#endif
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#ifndef le16_to_cpu
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#define le16_to_cpu(x) (x)
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#endif
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#ifndef inb
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#define inb(p) (*(volatile u8*)(p))
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#endif
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#ifndef outb
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#define outb(val,p) (*(volatile u8*)(p) = (val))
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#endif
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#ifndef inw
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#define inw(p) (*(volatile u16*)(p))
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#endif
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#ifndef outw
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#define outw(val,p) (*(volatile u16*)(p) = (val))
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#endif
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#ifndef inl
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#define inl(p) (*(volatile u32*)(p))
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#endif
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#ifndef outl
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#define outl(val,p) (*(volatile u32*)(p) = (val))
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#endif
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#ifndef insw
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#define insw(p,to,len) mmio_insw(p,to,len)
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#endif
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#ifndef outsw
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#define outsw(p,from,len) mmio_outsw(p,from,len)
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#endif
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#ifndef insb
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#define insb(p,to,len) mmio_insb(p,to,len)
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#endif
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#ifndef mmio_insw
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#define mmio_insw(r,b,l) ({ int __i ; \
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u16 *__b2; \
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__b2 = (u16 *) b; \
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for (__i = 0; __i < l; __i++) { \
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*(__b2 + __i) = inw(r); \
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}; \
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})
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#endif
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#ifndef mmio_outsw
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#define mmio_outsw(r,b,l) ({ int __i; \
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u16 *__b2; \
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__b2 = (u16 *) b; \
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for (__i = 0; __i < l; __i++) { \
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outw( *(__b2 + __i), r); \
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} \
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})
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#endif
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#ifndef mmio_insb
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#define mmio_insb(r,b,l) ({ int __i ; \
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u8 *__b2; \
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__b2 = (u8 *) b; \
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for (__i = 0; __i < l; __i++) { \
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*(__b2 + __i) = inb(r); \
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}; \
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})
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#endif
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/*
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* Structure member address manipulation macros.
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* These are used by client code (code using the urb_link routines), since
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* the urb_link structure is embedded in the client data structures.
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*
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* Note: a macro offsetof equivalent to member_offset is defined in stddef.h
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* but this is kept here for the sake of portability.
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*
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* p2surround returns a pointer to the surrounding structure given
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* type of the surrounding structure, the name memb of the structure
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* member pointed at by ptr. For example, if you have:
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*
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* struct foo {
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* int x;
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* float y;
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* char z;
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* } thingy;
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*
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* char *cp = &thingy.z;
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*
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* then
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*
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* &thingy == p2surround(struct foo, z, cp)
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*
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* Clear?
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*/
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#define _cv_(ptr) ((char*)(void*)(ptr))
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#define member_offset(type,memb) (_cv_(&(((type*)0)->memb))-(char*)0)
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#define p2surround(type,memb,ptr) ((type*)(void*)(_cv_(ptr)-member_offset(type,memb)))
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struct urb;
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struct usb_endpoint_instance;
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struct usb_interface_instance;
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struct usb_configuration_instance;
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struct usb_device_instance;
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struct usb_bus_instance;
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/*
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* Device and/or Interface Class codes
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*/
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#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */
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#define USB_CLASS_AUDIO 1
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#define USB_CLASS_COMM 2
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#define USB_CLASS_HID 3
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#define USB_CLASS_PHYSICAL 5
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#define USB_CLASS_PRINTER 7
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#define USB_CLASS_MASS_STORAGE 8
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#define USB_CLASS_HUB 9
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#define USB_CLASS_DATA 10
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#define USB_CLASS_APP_SPEC 0xfe
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#define USB_CLASS_VENDOR_SPEC 0xff
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/*
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* USB types
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*/
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#define USB_TYPE_STANDARD (0x00 << 5)
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#define USB_TYPE_CLASS (0x01 << 5)
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#define USB_TYPE_VENDOR (0x02 << 5)
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#define USB_TYPE_RESERVED (0x03 << 5)
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/*
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* USB recipients
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*/
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#define USB_RECIP_DEVICE 0x00
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#define USB_RECIP_INTERFACE 0x01
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#define USB_RECIP_ENDPOINT 0x02
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#define USB_RECIP_OTHER 0x03
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/*
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* USB directions
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*/
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#define USB_DIR_OUT 0
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#define USB_DIR_IN 0x80
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/*
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* Descriptor types
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*/
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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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#if defined(CONFIG_USBD_HS)
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#define USB_DT_QUAL 0x06
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#endif
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#define USB_DT_HID (USB_TYPE_CLASS | 0x01)
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#define USB_DT_REPORT (USB_TYPE_CLASS | 0x02)
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#define USB_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
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#define USB_DT_HUB (USB_TYPE_CLASS | 0x09)
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/*
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* Descriptor sizes per descriptor type
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*/
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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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#define USB_DT_HID_SIZE 9
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/*
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* Endpoints
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*/
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#define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */
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#define USB_ENDPOINT_DIR_MASK 0x80
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#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
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#define USB_ENDPOINT_XFER_CONTROL 0
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#define USB_ENDPOINT_XFER_ISOC 1
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#define USB_ENDPOINT_XFER_BULK 2
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#define USB_ENDPOINT_XFER_INT 3
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/*
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* USB Packet IDs (PIDs)
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*/
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#define USB_PID_UNDEF_0 0xf0
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#define USB_PID_OUT 0xe1
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#define USB_PID_ACK 0xd2
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#define USB_PID_DATA0 0xc3
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#define USB_PID_PING 0xb4 /* USB 2.0 */
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#define USB_PID_SOF 0xa5
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#define USB_PID_NYET 0x96 /* USB 2.0 */
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#define USB_PID_DATA2 0x87 /* USB 2.0 */
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#define USB_PID_SPLIT 0x78 /* USB 2.0 */
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#define USB_PID_IN 0x69
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#define USB_PID_NAK 0x5a
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#define USB_PID_DATA1 0x4b
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#define USB_PID_PREAMBLE 0x3c /* Token mode */
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#define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */
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#define USB_PID_SETUP 0x2d
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#define USB_PID_STALL 0x1e
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#define USB_PID_MDATA 0x0f /* USB 2.0 */
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/*
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* Standard requests
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*/
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#define USB_REQ_GET_STATUS 0x00
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#define USB_REQ_CLEAR_FEATURE 0x01
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#define USB_REQ_SET_FEATURE 0x03
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#define USB_REQ_SET_ADDRESS 0x05
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#define USB_REQ_GET_DESCRIPTOR 0x06
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#define USB_REQ_SET_DESCRIPTOR 0x07
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#define USB_REQ_GET_CONFIGURATION 0x08
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#define USB_REQ_SET_CONFIGURATION 0x09
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#define USB_REQ_GET_INTERFACE 0x0A
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#define USB_REQ_SET_INTERFACE 0x0B
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#define USB_REQ_SYNCH_FRAME 0x0C
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/*
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* HID requests
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*/
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#define USB_REQ_GET_REPORT 0x01
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#define USB_REQ_GET_IDLE 0x02
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#define USB_REQ_GET_PROTOCOL 0x03
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#define USB_REQ_SET_REPORT 0x09
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#define USB_REQ_SET_IDLE 0x0A
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#define USB_REQ_SET_PROTOCOL 0x0B
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/*
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* USB Spec Release number
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*/
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#if defined(CONFIG_USBD_HS)
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#define USB_BCD_VERSION 0x0200
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#else
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#define USB_BCD_VERSION 0x0110
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#endif
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/*
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* Device Requests (c.f Table 9-2)
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*/
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#define USB_REQ_DIRECTION_MASK 0x80
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#define USB_REQ_TYPE_MASK 0x60
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#define USB_REQ_RECIPIENT_MASK 0x1f
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#define USB_REQ_DEVICE2HOST 0x80
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#define USB_REQ_HOST2DEVICE 0x00
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#define USB_REQ_TYPE_STANDARD 0x00
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#define USB_REQ_TYPE_CLASS 0x20
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#define USB_REQ_TYPE_VENDOR 0x40
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#define USB_REQ_RECIPIENT_DEVICE 0x00
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#define USB_REQ_RECIPIENT_INTERFACE 0x01
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#define USB_REQ_RECIPIENT_ENDPOINT 0x02
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#define USB_REQ_RECIPIENT_OTHER 0x03
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/*
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* get status bits
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*/
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#define USB_STATUS_SELFPOWERED 0x01
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#define USB_STATUS_REMOTEWAKEUP 0x02
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#define USB_STATUS_HALT 0x01
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/*
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* descriptor types
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*/
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#define USB_DESCRIPTOR_TYPE_DEVICE 0x01
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#define USB_DESCRIPTOR_TYPE_CONFIGURATION 0x02
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#define USB_DESCRIPTOR_TYPE_STRING 0x03
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#define USB_DESCRIPTOR_TYPE_INTERFACE 0x04
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#define USB_DESCRIPTOR_TYPE_ENDPOINT 0x05
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#define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 0x06
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#define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION 0x07
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#define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 0x08
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#define USB_DESCRIPTOR_TYPE_HID 0x21
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#define USB_DESCRIPTOR_TYPE_REPORT 0x22
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/*
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* standard feature selectors
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*/
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#define USB_ENDPOINT_HALT 0x00
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#define USB_DEVICE_REMOTE_WAKEUP 0x01
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#define USB_TEST_MODE 0x02
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/* USB Requests
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*
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*/
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struct usb_device_request {
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u8 bmRequestType;
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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));
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/* USB Status
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*
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*/
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typedef enum urb_send_status {
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SEND_IN_PROGRESS,
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SEND_FINISHED_OK,
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SEND_FINISHED_ERROR,
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RECV_READY,
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RECV_OK,
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RECV_ERROR
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} urb_send_status_t;
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/*
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* Device State (c.f USB Spec 2.0 Figure 9-1)
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*
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* What state the usb device is in.
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*
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* Note the state does not change if the device is suspended, we simply set a
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* flag to show that it is suspended.
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*
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*/
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typedef enum usb_device_state {
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STATE_INIT, /* just initialized */
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STATE_CREATED, /* just created */
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STATE_ATTACHED, /* we are attached */
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STATE_POWERED, /* we have seen power indication (electrical bus signal) */
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STATE_DEFAULT, /* we been reset */
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STATE_ADDRESSED, /* we have been addressed (in default configuration) */
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STATE_CONFIGURED, /* we have seen a set configuration device command */
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STATE_UNKNOWN, /* destroyed */
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} usb_device_state_t;
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/*
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* Device status
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*
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* Overall state
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*/
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typedef enum usb_device_status {
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USBD_OPENING, /* we are currently opening */
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USBD_OK, /* ok to use */
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USBD_SUSPENDED, /* we are currently suspended */
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USBD_CLOSING, /* we are currently closing */
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} usb_device_status_t;
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/*
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* Device Events
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*
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* These are defined in the USB Spec (c.f USB Spec 2.0 Figure 9-1).
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*
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* There are additional events defined to handle some extra actions we need
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* to have handled.
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*
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*/
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typedef enum usb_device_event {
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DEVICE_UNKNOWN, /* bi - unknown event */
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DEVICE_INIT, /* bi - initialize */
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DEVICE_CREATE, /* bi - */
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DEVICE_HUB_CONFIGURED, /* bi - bus has been plugged int */
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DEVICE_RESET, /* bi - hub has powered our port */
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DEVICE_ADDRESS_ASSIGNED, /* ep0 - set address setup received */
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DEVICE_CONFIGURED, /* ep0 - set configure setup received */
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DEVICE_SET_INTERFACE, /* ep0 - set interface setup received */
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DEVICE_SET_FEATURE, /* ep0 - set feature setup received */
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DEVICE_CLEAR_FEATURE, /* ep0 - clear feature setup received */
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DEVICE_DE_CONFIGURED, /* ep0 - set configure setup received for ?? */
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DEVICE_BUS_INACTIVE, /* bi - bus in inactive (no SOF packets) */
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DEVICE_BUS_ACTIVITY, /* bi - bus is active again */
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DEVICE_POWER_INTERRUPTION, /* bi - hub has depowered our port */
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DEVICE_HUB_RESET, /* bi - bus has been unplugged */
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DEVICE_DESTROY, /* bi - device instance should be destroyed */
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DEVICE_HOTPLUG, /* bi - a hotplug event has occurred */
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DEVICE_FUNCTION_PRIVATE, /* function - private */
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} usb_device_event_t;
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typedef struct urb_link {
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struct urb_link *next;
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struct urb_link *prev;
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} urb_link;
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/* USB Data structure - for passing data around.
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*
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* This is used for both sending and receiving data.
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*
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* The callback function is used to let the function driver know when
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* transmitted data has been sent.
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*
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* The callback function is set by the alloc_recv function when an urb is
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* allocated for receiving data for an endpoint and used to call the
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* function driver to inform it that data has arrived.
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*/
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/* in linux we'd malloc this, but in u-boot we prefer static data */
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#define URB_BUF_SIZE 512
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struct urb {
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struct usb_endpoint_instance *endpoint;
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struct usb_device_instance *device;
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struct usb_device_request device_request; /* contents of received SETUP packet */
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struct urb_link link; /* embedded struct for circular doubly linked list of urbs */
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u8* buffer;
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unsigned int buffer_length;
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unsigned int actual_length;
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urb_send_status_t status;
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int data;
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u16 buffer_data[URB_BUF_SIZE]; /* data received (OUT) or being sent (IN) */
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};
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/* Endpoint configuration
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*
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* Per endpoint configuration data. Used to track which function driver owns
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* an endpoint.
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*
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*/
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struct usb_endpoint_instance {
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int endpoint_address; /* logical endpoint address */
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/* control */
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int status; /* halted */
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int state; /* available for use by bus interface driver */
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/* receive side */
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struct urb_link rcv; /* received urbs */
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struct urb_link rdy; /* empty urbs ready to receive */
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struct urb *rcv_urb; /* active urb */
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int rcv_attributes; /* copy of bmAttributes from endpoint descriptor */
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int rcv_packetSize; /* maximum packet size from endpoint descriptor */
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int rcv_transferSize; /* maximum transfer size from function driver */
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int rcv_queue;
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/* transmit side */
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struct urb_link tx; /* urbs ready to transmit */
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struct urb_link done; /* transmitted urbs */
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struct urb *tx_urb; /* active urb */
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int tx_attributes; /* copy of bmAttributes from endpoint descriptor */
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int tx_packetSize; /* maximum packet size from endpoint descriptor */
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int tx_transferSize; /* maximum transfer size from function driver */
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int tx_queue;
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int sent; /* data already sent */
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int last; /* data sent in last packet XXX do we need this */
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};
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struct usb_alternate_instance {
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struct usb_interface_descriptor *interface_descriptor;
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int endpoints;
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int *endpoint_transfersize_array;
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struct usb_endpoint_descriptor **endpoints_descriptor_array;
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};
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struct usb_interface_instance {
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int alternates;
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struct usb_alternate_instance *alternates_instance_array;
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};
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struct usb_configuration_instance {
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int interfaces;
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struct usb_configuration_descriptor *configuration_descriptor;
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struct usb_interface_instance *interface_instance_array;
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};
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/* USB Device Instance
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*
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* For each physical bus interface we create a logical device structure. This
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* tracks all of the required state to track the USB HOST's view of the device.
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*
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* Keep track of the device configuration for a real physical bus interface,
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* this includes the bus interface, multiple function drivers, the current
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* configuration and the current state.
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*
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* This will show:
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* the specific bus interface driver
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* the default endpoint 0 driver
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* the configured function driver
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* device state
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* device status
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* endpoint list
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*/
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struct usb_device_instance {
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/* generic */
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char *name;
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struct usb_device_descriptor *device_descriptor; /* per device descriptor */
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#if defined(CONFIG_USBD_HS)
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struct usb_qualifier_descriptor *qualifier_descriptor;
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#endif
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void (*event) (struct usb_device_instance *device, usb_device_event_t event, int data);
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/* Do cdc device specific control requests */
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int (*cdc_recv_setup)(struct usb_device_request *request, struct urb *urb);
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/* bus interface */
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struct usb_bus_instance *bus; /* which bus interface driver */
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/* configuration descriptors */
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int configurations;
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struct usb_configuration_instance *configuration_instance_array;
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/* device state */
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usb_device_state_t device_state; /* current USB Device state */
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usb_device_state_t device_previous_state; /* current USB Device state */
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u8 address; /* current address (zero is default) */
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u8 configuration; /* current show configuration (zero is default) */
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u8 interface; /* current interface (zero is default) */
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u8 alternate; /* alternate flag */
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usb_device_status_t status; /* device status */
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int urbs_queued; /* number of submitted urbs */
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/* Shouldn't need to make this atomic, all we need is a change indicator */
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unsigned long usbd_rxtx_timestamp;
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unsigned long usbd_last_rxtx_timestamp;
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};
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/* Bus Interface configuration structure
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*
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* This is allocated for each configured instance of a bus interface driver.
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*
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* The privdata pointer may be used by the bus interface driver to store private
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* per instance state information.
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*/
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struct usb_bus_instance {
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struct usb_device_instance *device;
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struct usb_endpoint_instance *endpoint_array; /* array of available configured endpoints */
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int max_endpoints; /* maximimum number of rx enpoints */
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unsigned char maxpacketsize;
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unsigned int serial_number;
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char *serial_number_str;
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void *privdata; /* private data for the bus interface */
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};
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void urb_link_init (urb_link * ul);
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void urb_detach (struct urb *urb);
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urb_link *first_urb_link (urb_link * hd);
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struct urb *first_urb (urb_link * hd);
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struct urb *first_urb_detached (urb_link * hd);
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void urb_append (urb_link * hd, struct urb *urb);
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struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint);
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void usbd_dealloc_urb (struct urb *urb);
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/*
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* usbd_device_event is used by bus interface drivers to tell the higher layers that
|
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* certain events have taken place.
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*/
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void usbd_device_event_irq (struct usb_device_instance *conf, usb_device_event_t, int);
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void usbd_device_event (struct usb_device_instance *conf, usb_device_event_t, int);
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/* descriptors
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*
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* Various ways of finding descriptors based on the current device and any
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* possible configuration / interface / endpoint for it.
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*/
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struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct usb_device_instance *, int, int);
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struct usb_function_instance *usbd_device_function_instance (struct usb_device_instance *, unsigned int);
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struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *, int, int, int);
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struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *, int, int, int, int);
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struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance *, int, int, int, int);
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struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
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struct usb_class_descriptor *usbd_device_class_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
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struct usb_class_report_descriptor *usbd_device_class_report_descriptor_index( struct usb_device_instance *, int , int , int , int , int );
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struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *, int, int, int, int, int);
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int usbd_device_endpoint_transfersize (struct usb_device_instance *, int, int, int, int, int);
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struct usb_string_descriptor *usbd_get_string (u8);
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|
struct usb_device_descriptor *usbd_device_device_descriptor(struct
|
|
usb_device_instance *, int);
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|
|
#if defined(CONFIG_USBD_HS)
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|
/*
|
|
* is_usbd_high_speed routine needs to be defined by specific gadget driver
|
|
* It returns true if device enumerates at High speed
|
|
* Retuns false otherwise
|
|
*/
|
|
int is_usbd_high_speed(void);
|
|
#endif
|
|
int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint);
|
|
void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad);
|
|
void usbd_tx_complete (struct usb_endpoint_instance *endpoint);
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|
|
|
/* These are macros used in debugging */
|
|
#ifdef DEBUG
|
|
static inline void print_urb(struct urb *u)
|
|
{
|
|
serial_printf("urb %p\n", (u));
|
|
serial_printf("\tendpoint %p\n", u->endpoint);
|
|
serial_printf("\tdevice %p\n", u->device);
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|
serial_printf("\tbuffer %p\n", u->buffer);
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|
serial_printf("\tbuffer_length %d\n", u->buffer_length);
|
|
serial_printf("\tactual_length %d\n", u->actual_length);
|
|
serial_printf("\tstatus %d\n", u->status);
|
|
serial_printf("\tdata %d\n", u->data);
|
|
}
|
|
|
|
static inline void print_usb_device_request(struct usb_device_request *r)
|
|
{
|
|
serial_printf("usb request\n");
|
|
serial_printf("\tbmRequestType 0x%2.2x\n", r->bmRequestType);
|
|
if ((r->bmRequestType & USB_REQ_DIRECTION_MASK) == 0)
|
|
serial_printf("\t\tDirection : To device\n");
|
|
else
|
|
serial_printf("\t\tDirection : To host\n");
|
|
if ((r->bmRequestType & USB_TYPE_STANDARD) == USB_TYPE_STANDARD)
|
|
serial_printf("\t\tType : Standard\n");
|
|
if ((r->bmRequestType & USB_TYPE_CLASS) == USB_TYPE_CLASS)
|
|
serial_printf("\t\tType : Standard\n");
|
|
if ((r->bmRequestType & USB_TYPE_VENDOR) == USB_TYPE_VENDOR)
|
|
serial_printf("\t\tType : Standard\n");
|
|
if ((r->bmRequestType & USB_TYPE_RESERVED) == USB_TYPE_RESERVED)
|
|
serial_printf("\t\tType : Standard\n");
|
|
if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
|
|
USB_REQ_RECIPIENT_DEVICE)
|
|
serial_printf("\t\tRecipient : Device\n");
|
|
if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
|
|
USB_REQ_RECIPIENT_INTERFACE)
|
|
serial_printf("\t\tRecipient : Interface\n");
|
|
if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
|
|
USB_REQ_RECIPIENT_ENDPOINT)
|
|
serial_printf("\t\tRecipient : Endpoint\n");
|
|
if ((r->bmRequestType & USB_REQ_RECIPIENT_MASK) ==
|
|
USB_REQ_RECIPIENT_OTHER)
|
|
serial_printf("\t\tRecipient : Other\n");
|
|
serial_printf("\tbRequest 0x%2.2x\n", r->bRequest);
|
|
if (r->bRequest == USB_REQ_GET_STATUS)
|
|
serial_printf("\t\tGET_STATUS\n");
|
|
else if (r->bRequest == USB_REQ_SET_ADDRESS)
|
|
serial_printf("\t\tSET_ADDRESS\n");
|
|
else if (r->bRequest == USB_REQ_SET_FEATURE)
|
|
serial_printf("\t\tSET_FEATURE\n");
|
|
else if (r->bRequest == USB_REQ_GET_DESCRIPTOR)
|
|
serial_printf("\t\tGET_DESCRIPTOR\n");
|
|
else if (r->bRequest == USB_REQ_SET_CONFIGURATION)
|
|
serial_printf("\t\tSET_CONFIGURATION\n");
|
|
else if (r->bRequest == USB_REQ_SET_INTERFACE)
|
|
serial_printf("\t\tUSB_REQ_SET_INTERFACE\n");
|
|
else
|
|
serial_printf("\tUNKNOWN %d\n", r->bRequest);
|
|
serial_printf("\twValue 0x%4.4x\n", r->wValue);
|
|
if (r->bRequest == USB_REQ_GET_DESCRIPTOR) {
|
|
switch (r->wValue >> 8) {
|
|
case USB_DESCRIPTOR_TYPE_DEVICE:
|
|
serial_printf("\tDEVICE\n");
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_CONFIGURATION:
|
|
serial_printf("\tCONFIGURATION\n");
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_STRING:
|
|
serial_printf("\tSTRING\n");
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_INTERFACE:
|
|
serial_printf("\tINTERFACE\n");
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_ENDPOINT:
|
|
serial_printf("\tENDPOINT\n");
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER:
|
|
serial_printf("\tDEVICE_QUALIFIER\n");
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION:
|
|
serial_printf("\tOTHER_SPEED_CONFIGURATION\n");
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_INTERFACE_POWER:
|
|
serial_printf("\tINTERFACE_POWER\n");
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_HID:
|
|
serial_printf("\tHID\n");
|
|
break;
|
|
case USB_DESCRIPTOR_TYPE_REPORT:
|
|
serial_printf("\tREPORT\n");
|
|
break;
|
|
default:
|
|
serial_printf("\tUNKNOWN TYPE\n");
|
|
break;
|
|
}
|
|
}
|
|
serial_printf("\twIndex 0x%4.4x\n", r->wIndex);
|
|
serial_printf("\twLength 0x%4.4x\n", r->wLength);
|
|
}
|
|
#else
|
|
/* stubs */
|
|
#define print_urb(u)
|
|
#define print_usb_device_request(r)
|
|
#endif /* DEBUG */
|
|
#endif
|