usb.h.svn-base

usb drivers based on s3c2410

#ifndef __USB_H__
#define __USB_H__

/*Standard RequestType (Direction)*/ 
#define HOST_TO_DEVICE              0x00
#define DEVICE_TO_HOST              0x80    

/*Standard RequestType (Type)*/ 
#define STANDARD_TYPE               0x00
#define CLASS_TYPE                  0x20
#define VENDOR_TYPE                 0x40
#define RESERVED_TYPE               0x60

/*Standard RequestType (Recipient)*/ 
#define DEVICE_RECIPIENT            0x00
#define INTERFACE_RECIPIENT         0x01
#define ENDPOINT_RECIPIENT          0x02
#define OTHER_RECIPIENT             0x03

/*Feature Selectors*/ 
#define DEVICE_REMOTE_WAKEUP        0x01
#define EP_STALL                    0x00

/*Standard Request Codes*/ 
#define GET_STATUS                  0x00
#define CLEAR_FEATURE               0x01
#define SET_FEATURE                 0x03
#define SET_ADDRESS                 0x05
#define GET_DESCRIPTOR              0x06
#define SET_DESCRIPTOR              0x07
#define GET_CONFIGURATION           0x08
#define SET_CONFIGURATION           0x09
#define GET_INTERFACE               0x0A
#define SET_INTERFACE               0x0B
#define SYNCH_FRAME                 0x0C

/*Class-specific Request Codes*/ 
#define GET_DEVICE_ID               0x00
#define GET_PORT_STATUS             0x01
#define SOFT_RESET                  0x02

/*Descriptor Types*/
#define DEVICE_TYPE                 0x01
#define CONFIGURATION_TYPE          0x02
#define STRING_TYPE                 0x03
#define INTERFACE_TYPE              0x04
#define ENDPOINT_TYPE               0x05

/*Configuration Descriptor: bmAttributes*/ 
#define CONF_ATTR_DEFAULT	          0x80 
#define CONF_ATTR_REMOTE_WAKEUP     0x20                
#define CONF_ATTR_SELFPOWERED       0x40

/*Endpoint Descriptor*/
#define EP_MODE_IN		              0x80 	
#define EP_MODE_OUT		              0x00

#define EP_ATTR_CONTROL		          0x00 
#define EP_ATTR_ISOCHRONOUS	        0x01 
#define EP_ATTR_BULK		            0x02 
#define EP_ATTR_INTERRUPT	          0x03 

/*String Descriptor*/
#define LANGID_US_L 		            0x09  
#define LANGID_US_H 		            0x04

/*USB Setup Package*/
struct USB_SETUP_DATA
{
    unsigned char bmRequestType;    		
    unsigned char bRequest;         		
    unsigned char bValueL;          		
    unsigned char bValueH;          		
    unsigned char bIndexL;        			
    unsigned char bIndexH;          		
    unsigned char bLengthL;         		
    unsigned char bLengthH;         		
} __attribute__((packed));

/*USB Device Descriptor*/
struct USB_DEVICE_DESCRIPTOR
{
    unsigned char bLength;    		   
    unsigned char bDescriptorType;  
    unsigned char bcdUSBL;			     
    unsigned char bcdUSBH;			     
    unsigned char bDeviceClass;     
    unsigned char bDeviceSubClass;  
    unsigned char bDeviceProtocol;    
    unsigned char bMaxPacketSize0;    
    unsigned char idVendorL;		       
    unsigned char idVendorH;		       
    unsigned char idProductL;		     
    unsigned char idProductH;		     
    unsigned char bcdDeviceL;		     
    unsigned char bcdDeviceH;		     
    unsigned char iManufacturer;		   
    unsigned char iProduct;		       
    unsigned char iSerialNumber;		   
    unsigned char bNumConfigurations;	
} __attribute__((packed));


struct USB_CONFIGURATION_DESCRIPTOR
{
    unsigned char bLength;    		      
    unsigned char bDescriptorType;  	  
    unsigned char wTotalLengthL;		   
    unsigned char wTotalLengthH;
    unsigned char bNumInterfaces;		 
    unsigned char bConfigurationValue;
    unsigned char iConfiguration;		 
    unsigned char bmAttributes;	    	
    unsigned char maxPower;          	
} __attribute__((packed));
    

struct USB_INTERFACE_DESCRIPTOR
{
    unsigned char bLength;    		      
    unsigned char bDescriptorType;     
    unsigned char bInterfaceNumber;	  
    unsigned char bAlternateSetting;	  
    unsigned char bNumEndpoints;		    
    unsigned char bInterfaceClass;		  
    unsigned char bInterfaceSubClass;	
    unsigned char bInterfaceProtocol;	
    unsigned char iInterface;		      
} __attribute__((packed));


struct USB_ENDPOINT_DESCRIPTOR
{
    unsigned char bLength;    		      
    unsigned char bDescriptorType;     
    unsigned char bEndpointAddress;	  
    unsigned char bmAttributes;		    
    unsigned char wMaxPacketSizeL;		  
    unsigned char wMaxPacketSizeH;
    unsigned char bInterval;		        
} __attribute__((packed));

 struct USB_CONFIGURATION_SET
 {
     unsigned char bConfigurationValue;	
 } __attribute__((packed));

 struct USB_GET_STATUS
 {
     unsigned char bDevice;			        
     unsigned char bInterface;		      
     unsigned char bEndpoint0;		      
     unsigned char bEndpoint1;		      
     unsigned char bEndpoint3;		      
 } __attribute__((packed));

 struct USB_INTERFACE_GET
 {
     unsigned char bAlternateSetting;	  
 } __attribute__((packed));

#define EP0_PKT_SIZE             0x08	
#define EP1_PKT_SIZE             BULK_PKT_SIZE
#define EP3_PKT_SIZE             BULK_PKT_SIZE

void init_descriptor(void);
 
#endif /*__USB_H__*/