dc_hal.c

使用ISP1362芯片的USB_OTG参考设计源代码比较新的版本

/*
**  WASABI-Hot! version 1.2c    (DeviceController sub-unit)
**
**
**      -- copyright (c) 2001-2004 by Philips Japan, Ltd. -- All rights reserved --
**
**
**      ** This code has been made to check/learn                          ** 
**      **                             the ISP1362/ISP1363 functionalities **
**      ** Release 06-Aug-2004                                             **
**
**     HIGASHIYAMA, Ken 
**      
**		Application Laboratory, Mobile and Connectivity
**      Semiconductors Div, Philips Japan Ltd.
**      [e-mail]
**      [phone] 
**
**
*/

#include		<stdio.h>
#include		<dos.h>

#include		"general.h"	//AO

#include		"_dc/dc_hal.h"
#include		"_dc/dc_isr.h"	//AO
#include		"_hc_hw/hw_acces.h"
#include		"ui.h"

unsigned char	gp_Dc_IRQ_num;
unsigned int	gp_1362_Dc_command_address;
unsigned int	gp_1362_Dc_data_address;


//*********************************************************************************************//
//
//						16-bit ISA port access 
//							It is IO port access can be used for PCI also	//AO
//
//*********************************************************************************************//
void D13_outport(unsigned short port, unsigned short data)
{
	outport(port, data);
}

unsigned short D13_inport(unsigned short port)
{
	unsigned short	i;
	i=inport(port);

	return i;
}

//*********************************************************************************************//
//
//						Interrupt Control
//
//*********************************************************************************************//
void interrupt (*Oldhandler)();		// Original Interrupt Handler

/*
void init_isr()
{
	
	disable_INT();
	
	outportb(0xA0, 0x20);
	outportb(0x20, 0x20);

//	Oldhandler=getvect(0x71);	// hook IRQ#9
	Oldhandler=getvect(0x72);	// hook IRQ#10
//	setvect(0x71, usb_isr);		// Interrupt Service Routine is usb_isr()
	setvect(0x72, usb_isr);		// Interrupt Service Routine is usb_isr()

	outportb(0x21, (inportb(0x21) & 0xFB));	// clear interrupt mask for IRQ#2 (Cascaded from PIC2)
	outportb(0xA1, (inportb(0xA1) & 0xFB));	// clear interrupt mask for IRQ#10
//	outportb(0x21, (inportb(0x21) & (char)~0x04));	// clear interrupt mask for IRQ#2 (Cascaded from PIC2)
//	outportb(0xA1, (inportb(0xA1) & (char)~0x04));	// clear interrupt mask for IRQ#10

	outportb(0xA0, 0x20);		// EOI to PIC2
	outportb(0x20, 0x20);		// EOI to PIC1
		
	enable_INT();
}
*/


void dc_init_isr( void )
{
	hwacces_install_isr( gp_Dc_IRQ_num, usb_isr );
	Dc_printf( WHITE, CONTINUE, "ISR for DC installed (IRQ=%d)\r\n", gp_Dc_IRQ_num );
}



void end_of_isr( void )
{
	outportb(0xA0, 0x20);		// EOI to PIC2
	outportb(0x20, 0x20);		// EOI to PIC1
}

void release_interrupt()
{
//	setvect(0x72, Oldhandler);
//	setvect(0x0B, Oldhandler);
}