| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2003 |
| * Gerry Hamel, geh@ti.com, Texas Instruments |
| * |
| * Based on linux/drivers/usbd/usbd.h |
| * |
| * Copyright (c) 2000, 2001, 2002 Lineo |
| * Copyright (c) 2001 Hewlett Packard |
| * |
| * By: |
| * Stuart Lynne <sl@lineo.com>, |
| * Tom Rushworth <tbr@lineo.com>, |
| * Bruce Balden <balden@lineo.com> |
| */ |
| |
| #ifndef __USBDCORE_H__ |
| #define __USBDCORE_H__ |
| |
| #include <common.h> |
| #include "usbdescriptors.h" |
| |
| |
| #define MAX_URBS_QUEUED 5 |
| |
| |
| #if 1 |
| #define usberr(fmt,args...) serial_printf("ERROR: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args) |
| #else |
| #define usberr(fmt,args...) do{}while(0) |
| #endif |
| |
| #if 0 |
| #define usbdbg(fmt,args...) serial_printf("debug: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args) |
| #else |
| #define usbdbg(fmt,args...) do{}while(0) |
| #endif |
| |
| #if 0 |
| #define usbinfo(fmt,args...) serial_printf("info: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args) |
| #else |
| #define usbinfo(fmt,args...) do{}while(0) |
| #endif |
| |
| #ifndef le16_to_cpu |
| #define le16_to_cpu(x) (x) |
| #endif |
| |
| #ifndef inb |
| #define inb(p) (*(volatile u8*)(p)) |
| #endif |
| |
| #ifndef outb |
| #define outb(val,p) (*(volatile u8*)(p) = (val)) |
| #endif |
| |
| #ifndef inw |
| #define inw(p) (*(volatile u16*)(p)) |
| #endif |
| |
| #ifndef outw |
| #define outw(val,p) (*(volatile u16*)(p) = (val)) |
| #endif |
| |
| #ifndef inl |
| #define inl(p) (*(volatile u32*)(p)) |
| #endif |
| |
| #ifndef outl |
| #define outl(val,p) (*(volatile u32*)(p) = (val)) |
| #endif |
| |
| #ifndef insw |
| #define insw(p,to,len) mmio_insw(p,to,len) |
| #endif |
| |
| #ifndef outsw |
| #define outsw(p,from,len) mmio_outsw(p,from,len) |
| #endif |
| |
| #ifndef insb |
| #define insb(p,to,len) mmio_insb(p,to,len) |
| #endif |
| |
| #ifndef mmio_insw |
| #define mmio_insw(r,b,l) ({ int __i ; \ |
| u16 *__b2; \ |
| __b2 = (u16 *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| *(__b2 + __i) = inw(r); \ |
| }; \ |
| }) |
| #endif |
| |
| #ifndef mmio_outsw |
| #define mmio_outsw(r,b,l) ({ int __i; \ |
| u16 *__b2; \ |
| __b2 = (u16 *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| outw( *(__b2 + __i), r); \ |
| } \ |
| }) |
| #endif |
| |
| #ifndef mmio_insb |
| #define mmio_insb(r,b,l) ({ int __i ; \ |
| u8 *__b2; \ |
| __b2 = (u8 *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| *(__b2 + __i) = inb(r); \ |
| }; \ |
| }) |
| #endif |
| |
| /* |
| * Structure member address manipulation macros. |
| * These are used by client code (code using the urb_link routines), since |
| * the urb_link structure is embedded in the client data structures. |
| * |
| * Note: a macro offsetof equivalent to member_offset is defined in stddef.h |
| * but this is kept here for the sake of portability. |
| * |
| * p2surround returns a pointer to the surrounding structure given |
| * type of the surrounding structure, the name memb of the structure |
| * member pointed at by ptr. For example, if you have: |
| * |
| * struct foo { |
| * int x; |
| * float y; |
| * char z; |
| * } thingy; |
| * |
| * char *cp = &thingy.z; |
| * |
| * then |
| * |
| * &thingy == p2surround(struct foo, z, cp) |
| * |
| * Clear? |
| */ |
| #define _cv_(ptr) ((char*)(void*)(ptr)) |
| #define member_offset(type,memb) (_cv_(&(((type*)0)->memb))-(char*)0) |
| #define p2surround(type,memb,ptr) ((type*)(void*)(_cv_(ptr)-member_offset(type,memb))) |
| |
| struct urb; |
| |
| struct usb_endpoint_instance; |
| struct usb_interface_instance; |
| struct usb_configuration_instance; |
| struct usb_device_instance; |
| struct usb_bus_instance; |
| |
| /* |
| * Device and/or Interface Class codes |
| */ |
| #define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ |
| #define USB_CLASS_AUDIO 1 |
| #define USB_CLASS_COMM 2 |
| #define USB_CLASS_HID 3 |
| #define USB_CLASS_PHYSICAL 5 |
| #define USB_CLASS_PRINTER 7 |
| #define USB_CLASS_MASS_STORAGE 8 |
| #define USB_CLASS_HUB 9 |
| #define USB_CLASS_DATA 10 |
| #define USB_CLASS_APP_SPEC 0xfe |
| #define USB_CLASS_VENDOR_SPEC 0xff |
| |
| /* |
| * USB types |
| */ |
| #define USB_TYPE_STANDARD (0x00 << 5) |
| #define USB_TYPE_CLASS (0x01 << 5) |
| #define USB_TYPE_VENDOR (0x02 << 5) |
| #define USB_TYPE_RESERVED (0x03 << 5) |
| |
| /* |
| * USB recipients |
| */ |
| #define USB_RECIP_DEVICE 0x00 |
| #define USB_RECIP_INTERFACE 0x01 |
| #define USB_RECIP_ENDPOINT 0x02 |
| #define USB_RECIP_OTHER 0x03 |
| |
| /* |
| * USB directions |
| */ |
| #define USB_DIR_OUT 0 |
| #define USB_DIR_IN 0x80 |
| |
| /* |
| * Descriptor types |
| */ |
| #define USB_DT_DEVICE 0x01 |
| #define USB_DT_CONFIG 0x02 |
| #define USB_DT_STRING 0x03 |
| #define USB_DT_INTERFACE 0x04 |
| #define USB_DT_ENDPOINT 0x05 |
| |
| #define USB_DT_HID (USB_TYPE_CLASS | 0x01) |
| #define USB_DT_REPORT (USB_TYPE_CLASS | 0x02) |
| #define USB_DT_PHYSICAL (USB_TYPE_CLASS | 0x03) |
| #define USB_DT_HUB (USB_TYPE_CLASS | 0x09) |
| |
| /* |
| * Descriptor sizes per descriptor type |
| */ |
| #define USB_DT_DEVICE_SIZE 18 |
| #define USB_DT_CONFIG_SIZE 9 |
| #define USB_DT_INTERFACE_SIZE 9 |
| #define USB_DT_ENDPOINT_SIZE 7 |
| #define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ |
| #define USB_DT_HUB_NONVAR_SIZE 7 |
| #define USB_DT_HID_SIZE 9 |
| |
| /* |
| * Endpoints |
| */ |
| #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ |
| #define USB_ENDPOINT_DIR_MASK 0x80 |
| |
| #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ |
| #define USB_ENDPOINT_XFER_CONTROL 0 |
| #define USB_ENDPOINT_XFER_ISOC 1 |
| #define USB_ENDPOINT_XFER_BULK 2 |
| #define USB_ENDPOINT_XFER_INT 3 |
| |
| /* |
| * USB Packet IDs (PIDs) |
| */ |
| #define USB_PID_UNDEF_0 0xf0 |
| #define USB_PID_OUT 0xe1 |
| #define USB_PID_ACK 0xd2 |
| #define USB_PID_DATA0 0xc3 |
| #define USB_PID_PING 0xb4 /* USB 2.0 */ |
| #define USB_PID_SOF 0xa5 |
| #define USB_PID_NYET 0x96 /* USB 2.0 */ |
| #define USB_PID_DATA2 0x87 /* USB 2.0 */ |
| #define USB_PID_SPLIT 0x78 /* USB 2.0 */ |
| #define USB_PID_IN 0x69 |
| #define USB_PID_NAK 0x5a |
| #define USB_PID_DATA1 0x4b |
| #define USB_PID_PREAMBLE 0x3c /* Token mode */ |
| #define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */ |
| #define USB_PID_SETUP 0x2d |
| #define USB_PID_STALL 0x1e |
| #define USB_PID_MDATA 0x0f /* USB 2.0 */ |
| |
| /* |
| * Standard requests |
| */ |
| #define USB_REQ_GET_STATUS 0x00 |
| #define USB_REQ_CLEAR_FEATURE 0x01 |
| #define USB_REQ_SET_FEATURE 0x03 |
| #define USB_REQ_SET_ADDRESS 0x05 |
| #define USB_REQ_GET_DESCRIPTOR 0x06 |
| #define USB_REQ_SET_DESCRIPTOR 0x07 |
| #define USB_REQ_GET_CONFIGURATION 0x08 |
| #define USB_REQ_SET_CONFIGURATION 0x09 |
| #define USB_REQ_GET_INTERFACE 0x0A |
| #define USB_REQ_SET_INTERFACE 0x0B |
| #define USB_REQ_SYNCH_FRAME 0x0C |
| |
| /* |
| * HID requests |
| */ |
| #define USB_REQ_GET_REPORT 0x01 |
| #define USB_REQ_GET_IDLE 0x02 |
| #define USB_REQ_GET_PROTOCOL 0x03 |
| #define USB_REQ_SET_REPORT 0x09 |
| #define USB_REQ_SET_IDLE 0x0A |
| #define USB_REQ_SET_PROTOCOL 0x0B |
| |
| |
| /* |
| * USB Spec Release number |
| */ |
| |
| #define USB_BCD_VERSION 0x0110 |
| |
| |
| /* |
| * Device Requests (c.f Table 9-2) |
| */ |
| |
| #define USB_REQ_DIRECTION_MASK 0x80 |
| #define USB_REQ_TYPE_MASK 0x60 |
| #define USB_REQ_RECIPIENT_MASK 0x1f |
| |
| #define USB_REQ_DEVICE2HOST 0x80 |
| #define USB_REQ_HOST2DEVICE 0x00 |
| |
| #define USB_REQ_TYPE_STANDARD 0x00 |
| #define USB_REQ_TYPE_CLASS 0x20 |
| #define USB_REQ_TYPE_VENDOR 0x40 |
| |
| #define USB_REQ_RECIPIENT_DEVICE 0x00 |
| #define USB_REQ_RECIPIENT_INTERFACE 0x01 |
| #define USB_REQ_RECIPIENT_ENDPOINT 0x02 |
| #define USB_REQ_RECIPIENT_OTHER 0x03 |
| |
| /* |
| * get status bits |
| */ |
| |
| #define USB_STATUS_SELFPOWERED 0x01 |
| #define USB_STATUS_REMOTEWAKEUP 0x02 |
| |
| #define USB_STATUS_HALT 0x01 |
| |
| /* |
| * descriptor types |
| */ |
| |
| #define USB_DESCRIPTOR_TYPE_DEVICE 0x01 |
| #define USB_DESCRIPTOR_TYPE_CONFIGURATION 0x02 |
| #define USB_DESCRIPTOR_TYPE_STRING 0x03 |
| #define USB_DESCRIPTOR_TYPE_INTERFACE 0x04 |
| #define USB_DESCRIPTOR_TYPE_ENDPOINT 0x05 |
| #define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 0x06 |
| #define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION 0x07 |
| #define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 0x08 |
| #define USB_DESCRIPTOR_TYPE_HID 0x21 |
| #define USB_DESCRIPTOR_TYPE_REPORT 0x22 |
| |
| /* |
| * standard feature selectors |
| */ |
| #define USB_ENDPOINT_HALT 0x00 |
| #define USB_DEVICE_REMOTE_WAKEUP 0x01 |
| #define USB_TEST_MODE 0x02 |
| |
| |
| /* USB Requests |
| * |
| */ |
| |
| struct usb_device_request { |
| u8 bmRequestType; |
| u8 bRequest; |
| u16 wValue; |
| u16 wIndex; |
| u16 wLength; |
| } __attribute__ ((packed)); |
| |
| |
| /* USB Status |
| * |
| */ |
| typedef enum urb_send_status { |
| SEND_IN_PROGRESS, |
| SEND_FINISHED_OK, |
| SEND_FINISHED_ERROR, |
| RECV_READY, |
| RECV_OK, |
| RECV_ERROR |
| } urb_send_status_t; |
| |
| /* |
| * Device State (c.f USB Spec 2.0 Figure 9-1) |
| * |
| * What state the usb device is in. |
| * |
| * Note the state does not change if the device is suspended, we simply set a |
| * flag to show that it is suspended. |
| * |
| */ |
| typedef enum usb_device_state { |
| STATE_INIT, /* just initialized */ |
| STATE_CREATED, /* just created */ |
| STATE_ATTACHED, /* we are attached */ |
| STATE_POWERED, /* we have seen power indication (electrical bus signal) */ |
| STATE_DEFAULT, /* we been reset */ |
| STATE_ADDRESSED, /* we have been addressed (in default configuration) */ |
| STATE_CONFIGURED, /* we have seen a set configuration device command */ |
| STATE_UNKNOWN, /* destroyed */ |
| } usb_device_state_t; |
| |
| /* |
| * Device status |
| * |
| * Overall state |
| */ |
| typedef enum usb_device_status { |
| USBD_OPENING, /* we are currently opening */ |
| USBD_OK, /* ok to use */ |
| USBD_SUSPENDED, /* we are currently suspended */ |
| USBD_CLOSING, /* we are currently closing */ |
| } usb_device_status_t; |
| |
| /* |
| * Device Events |
| * |
| * These are defined in the USB Spec (c.f USB Spec 2.0 Figure 9-1). |
| * |
| * There are additional events defined to handle some extra actions we need |
| * to have handled. |
| * |
| */ |
| typedef enum usb_device_event { |
| |
| DEVICE_UNKNOWN, /* bi - unknown event */ |
| DEVICE_INIT, /* bi - initialize */ |
| DEVICE_CREATE, /* bi - */ |
| DEVICE_HUB_CONFIGURED, /* bi - bus has been plugged int */ |
| DEVICE_RESET, /* bi - hub has powered our port */ |
| |
| DEVICE_ADDRESS_ASSIGNED, /* ep0 - set address setup received */ |
| DEVICE_CONFIGURED, /* ep0 - set configure setup received */ |
| DEVICE_SET_INTERFACE, /* ep0 - set interface setup received */ |
| |
| DEVICE_SET_FEATURE, /* ep0 - set feature setup received */ |
| DEVICE_CLEAR_FEATURE, /* ep0 - clear feature setup received */ |
| |
| DEVICE_DE_CONFIGURED, /* ep0 - set configure setup received for ?? */ |
| |
| DEVICE_BUS_INACTIVE, /* bi - bus in inactive (no SOF packets) */ |
| DEVICE_BUS_ACTIVITY, /* bi - bus is active again */ |
| |
| DEVICE_POWER_INTERRUPTION, /* bi - hub has depowered our port */ |
| DEVICE_HUB_RESET, /* bi - bus has been unplugged */ |
| DEVICE_DESTROY, /* bi - device instance should be destroyed */ |
| |
| DEVICE_HOTPLUG, /* bi - a hotplug event has occurred */ |
| |
| DEVICE_FUNCTION_PRIVATE, /* function - private */ |
| |
| } usb_device_event_t; |
| |
| |
| typedef struct urb_link { |
| struct urb_link *next; |
| struct urb_link *prev; |
| } urb_link; |
| |
| /* USB Data structure - for passing data around. |
| * |
| * This is used for both sending and receiving data. |
| * |
| * The callback function is used to let the function driver know when |
| * transmitted data has been sent. |
| * |
| * The callback function is set by the alloc_recv function when an urb is |
| * allocated for receiving data for an endpoint and used to call the |
| * function driver to inform it that data has arrived. |
| */ |
| |
| /* in linux we'd malloc this, but in u-boot we prefer static data */ |
| #define URB_BUF_SIZE 512 |
| |
| struct urb { |
| |
| struct usb_endpoint_instance *endpoint; |
| struct usb_device_instance *device; |
| |
| struct usb_device_request device_request; /* contents of received SETUP packet */ |
| |
| struct urb_link link; /* embedded struct for circular doubly linked list of urbs */ |
| |
| u8* buffer; |
| unsigned int buffer_length; |
| unsigned int actual_length; |
| |
| urb_send_status_t status; |
| int data; |
| |
| u16 buffer_data[URB_BUF_SIZE]; /* data received (OUT) or being sent (IN) */ |
| }; |
| |
| /* Endpoint configuration |
| * |
| * Per endpoint configuration data. Used to track which function driver owns |
| * an endpoint. |
| * |
| */ |
| struct usb_endpoint_instance { |
| int endpoint_address; /* logical endpoint address */ |
| |
| /* control */ |
| int status; /* halted */ |
| int state; /* available for use by bus interface driver */ |
| |
| /* receive side */ |
| struct urb_link rcv; /* received urbs */ |
| struct urb_link rdy; /* empty urbs ready to receive */ |
| struct urb *rcv_urb; /* active urb */ |
| int rcv_attributes; /* copy of bmAttributes from endpoint descriptor */ |
| int rcv_packetSize; /* maximum packet size from endpoint descriptor */ |
| int rcv_transferSize; /* maximum transfer size from function driver */ |
| int rcv_queue; |
| |
| /* transmit side */ |
| struct urb_link tx; /* urbs ready to transmit */ |
| struct urb_link done; /* transmitted urbs */ |
| struct urb *tx_urb; /* active urb */ |
| int tx_attributes; /* copy of bmAttributes from endpoint descriptor */ |
| int tx_packetSize; /* maximum packet size from endpoint descriptor */ |
| int tx_transferSize; /* maximum transfer size from function driver */ |
| int tx_queue; |
| |
| int sent; /* data already sent */ |
| int last; /* data sent in last packet XXX do we need this */ |
| }; |
| |
| struct usb_alternate_instance { |
| struct usb_interface_descriptor *interface_descriptor; |
| |
| int endpoints; |
| int *endpoint_transfersize_array; |
| struct usb_endpoint_descriptor **endpoints_descriptor_array; |
| }; |
| |
| struct usb_interface_instance { |
| int alternates; |
| struct usb_alternate_instance *alternates_instance_array; |
| }; |
| |
| struct usb_configuration_instance { |
| int interfaces; |
| struct usb_configuration_descriptor *configuration_descriptor; |
| struct usb_interface_instance *interface_instance_array; |
| }; |
| |
| |
| /* USB Device Instance |
| * |
| * For each physical bus interface we create a logical device structure. This |
| * tracks all of the required state to track the USB HOST's view of the device. |
| * |
| * Keep track of the device configuration for a real physical bus interface, |
| * this includes the bus interface, multiple function drivers, the current |
| * configuration and the current state. |
| * |
| * This will show: |
| * the specific bus interface driver |
| * the default endpoint 0 driver |
| * the configured function driver |
| * device state |
| * device status |
| * endpoint list |
| */ |
| |
| struct usb_device_instance { |
| |
| /* generic */ |
| char *name; |
| struct usb_device_descriptor *device_descriptor; /* per device descriptor */ |
| |
| void (*event) (struct usb_device_instance *device, usb_device_event_t event, int data); |
| |
| /* Do cdc device specific control requests */ |
| int (*cdc_recv_setup)(struct usb_device_request *request, struct urb *urb); |
| |
| /* bus interface */ |
| struct usb_bus_instance *bus; /* which bus interface driver */ |
| |
| /* configuration descriptors */ |
| int configurations; |
| struct usb_configuration_instance *configuration_instance_array; |
| |
| /* device state */ |
| usb_device_state_t device_state; /* current USB Device state */ |
| usb_device_state_t device_previous_state; /* current USB Device state */ |
| |
| u8 address; /* current address (zero is default) */ |
| u8 configuration; /* current show configuration (zero is default) */ |
| u8 interface; /* current interface (zero is default) */ |
| u8 alternate; /* alternate flag */ |
| |
| usb_device_status_t status; /* device status */ |
| |
| int urbs_queued; /* number of submitted urbs */ |
| |
| /* Shouldn't need to make this atomic, all we need is a change indicator */ |
| unsigned long usbd_rxtx_timestamp; |
| unsigned long usbd_last_rxtx_timestamp; |
| |
| }; |
| |
| /* Bus Interface configuration structure |
| * |
| * This is allocated for each configured instance of a bus interface driver. |
| * |
| * The privdata pointer may be used by the bus interface driver to store private |
| * per instance state information. |
| */ |
| struct usb_bus_instance { |
| |
| struct usb_device_instance *device; |
| struct usb_endpoint_instance *endpoint_array; /* array of available configured endpoints */ |
| |
| int max_endpoints; /* maximimum number of rx enpoints */ |
| unsigned char maxpacketsize; |
| |
| unsigned int serial_number; |
| char *serial_number_str; |
| void *privdata; /* private data for the bus interface */ |
| |
| }; |
| |
| void urb_link_init (urb_link * ul); |
| void urb_detach (struct urb *urb); |
| urb_link *first_urb_link (urb_link * hd); |
| struct urb *first_urb (urb_link * hd); |
| struct urb *first_urb_detached (urb_link * hd); |
| void urb_append (urb_link * hd, struct urb *urb); |
| |
| struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint); |
| void usbd_dealloc_urb (struct urb *urb); |
| |
| /* |
| * usbd_device_event is used by bus interface drivers to tell the higher layers that |
| * certain events have taken place. |
| */ |
| void usbd_device_event_irq (struct usb_device_instance *conf, usb_device_event_t, int); |
| void usbd_device_event (struct usb_device_instance *conf, usb_device_event_t, int); |
| |
| /* descriptors |
| * |
| * Various ways of finding descriptors based on the current device and any |
| * possible configuration / interface / endpoint for it. |
| */ |
| struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct usb_device_instance *, int, int); |
| struct usb_function_instance *usbd_device_function_instance (struct usb_device_instance *, unsigned int); |
| struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *, int, int, int); |
| struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *, int, int, int, int); |
| struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance *, int, int, int, int); |
| struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance *, int, int, int, int, int); |
| struct usb_class_descriptor *usbd_device_class_descriptor_index (struct usb_device_instance *, int, int, int, int, int); |
| struct usb_class_report_descriptor *usbd_device_class_report_descriptor_index( struct usb_device_instance *, int , int , int , int , int ); |
| struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *, int, int, int, int, int); |
| int usbd_device_endpoint_transfersize (struct usb_device_instance *, int, int, int, int, int); |
| struct usb_string_descriptor *usbd_get_string (u8); |
| struct usb_device_descriptor *usbd_device_device_descriptor(struct |
| usb_device_instance *, int); |
| |
| 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); |
| |
| /* 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); |
| serial_printf("\tbuffer %p\n", u->buffer); |
| 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 |