xhyper255.h

linux嵌入式课程实践中的一个关于声卡驱动程序 。

/*
 *  linux/include/asm-arm/arch-pxa/xhyper255.h
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  Copyright (c) 2002 Hybus Co,. ltd.
 *
 * 2002-11-10: bedguy <[e-mail]>
 *             Initialize
 */


#define MSC_CS(cs,val) ((val)<<((cs&1)<<4))

#define MSC_RBUFF_SHIFT 15 
#define MSC_RBUFF_SLOW (0)
#define MSC_RBUFF_FAST (1)
#define MSC_RBUFF(x) ((x)<<MSC_RBUFF_SHIFT)

#define MSC_RRR_SHIFT 12
#define MSC_RRR(x) ((x)<<MSC_RRR_SHIFT)

#define MSC_RDN_SHIFT 8
#define MSC_RDN(x) ((x)<<MSC_RDN_SHIFT)

#define MSC_RDF_SHIFT 4
#define MSC_RDF(x) ((x)<<MSC_RDF_SHIFT)

#define MSC_RBW_SHIFT 3
#define MSC_RBW(x) ((x)<<MSC_RBW_SHIFT)

#define MSC_RT_SHIFT  0
#define MSC_RT(x) ((x)<<MSC_RT_SHIFT)

#ifndef __ASSEMBLY__
extern unsigned short hyper_port0;
extern unsigned short hyper_port1;
extern unsigned short hyper_port2;
extern unsigned short hyper_port3;
#endif

/*----------------------------XHYPER255B----------------------------------*/
#ifdef CONFIG_ARCH_XHYPER255B

#define PCMCIA_IREQ                     IRQ_GPIO(2)
#define PCMCIA_CD                       IRQ_GPIO(3)

#define CF_IREQ                         IRQ_GPIO(16)
#define CF_CD                           IRQ_GPIO(17)
#define IRQ_GPIO_ADS7843                IRQ_GPIO(5)
#define IRQ_GPIO_EZHOST                	IRQ_GPIO(7)

#define XHYPER255B_HEARTBEAT_LED 0x1
#define XHYPER255B_SYS_BUSY_LED  0x2

#define XHYPER255B_HEARTBEAT_LED_ON    XHYPER255B_LED_ON(LED5)
#define XHYPER255B_HEARTBEAT_LED_OFF   XHYPER255B_LED_OFF(LED5)
#define XHYPER255B_SYS_BUSY_LED_ON     XHYPER255B_LED_ON(LED6)
#define XHYPER255B_SYS_BUSY_LED_OFF    XHYPER255B_LED_OFF(LED6)

//---------------------------------------------
// 				Extend PORT0
//---------------------------------------------

#define _EXT_PORT0         	0xf0110000
#define EXT_PORT0      		(*(volatile unsigned short *)( _EXT_PORT0 ))

#define RTC_CE			(1<<0)  // 
#define RTC_CLK      		(1<<1)  // 
#define PCMCIA_RESET  		(1<<2)  // 
#define CF_RESET         	(1<<3)  // 
#define ADS7843_DCLK     	(1<<4)  // 
#define ADS7843_C        	(1<<5)  // 
#define ADS7843_DI        	(1<<6)  //
#define LCD_Back_ON      	(1<<7)	//               

#define PCMCIA_VCC5_EN   	(1<<8)  //
#define PCMCIA_VCC3_EN    	(1<<9)  // 
#define PCMCIA_EN0        	(1<<10) // 
#define PCMCIA_EN1        	(1<<11) //
#define CF_VCC_EN         	(1<<12) //


//---------------------------------------------
// 		Extend PORT1
//---------------------------------------------

#define _EXT_PORT1    		0xf0120000
#define EXT_PORT1      		(*(volatile unsigned short *)( _EXT_PORT1 ))

#define PCMCIA_BVD1		(1<<0)  // 
#define PCMCIA_BVD2      	(1<<1)  // 
#define PCMCIA_INPACK  		(1<<2)  // 
#define CF_BVD1         	(1<<3)  // 
#define CF_BVD2     		(1<<4)  // 
#define CF_INPACK        	(1<<5)  // 

#define PCMCIA_VS1   		(1<<8)  //
#define PCMCIA_VS2    		(1<<9)  // 
#define CF_VS1        		(1<<10) // 
#define CF_VS2        		(1<<11) //


//---------------------------------------------
//              Extend PORT2
//---------------------------------------------

#define _EXT_PORT2          0xf0130000
#define EXT_PORT2           (*(volatile unsigned short *)( _EXT_PORT2 ))

#define SWITCH2             (1<<0)  // 
#define SWITCH3             (1<<1)  // 
#define SWITCH4 	    (1<<2)  // 
#define SWITCH5             (1<<3)  // 
#define SWITCH6             (1<<4)  // 
#define SWITCH7             (1<<5)  // 
#define SWITCH8             (1<<6)  // 
#define SWITCH9             (1<<7)  // 


//---------------------------------------------
//              Extend PORT3
//---------------------------------------------

#define _EXT_PORT3          0xf0140000
#define EXT_PORT3           (*(volatile unsigned short *)( _EXT_PORT3 ))

#define LED5                (1<<0)  // 
#define LED6                (1<<1)  // 
#define LED7                (1<<2)  // 
#define LED8                (1<<3)  // 
#define LED9                (1<<4)  // 
#define LED10               (1<<5)  // 
#define LED11               (1<<6)  // 
#define LED12               (1<<7)  // 

#define XHYPER255B_LED_ON(x) \
		hyper_port3 |= x; EXT_PORT3 = ~(hyper_port3);

#define XHYPER255B_LED_OFF(x) \
		hyper_port3 &= ~x; EXT_PORT3 = ~(hyper_port3);


//---------------------------------------------
// 				Extend PORT Function
//---------------------------------------------

#define XHYPER255_SetBit(x,y) {\
    if(x==0)      { hyper_port0 |= (y); EXT_PORT0 = hyper_port0;}\
    else if(x==1) { hyper_port1 |= (y); EXT_PORT1 = hyper_port1;}\
}

#define XHYPER255_ClearBit(x, y) {\
    if(x==0)      { hyper_port0 &= ~(y); EXT_PORT0 = hyper_port0;}\
    else if(x==1) { hyper_port1 &= ~(y); EXT_PORT1 = hyper_port1;}\
}

/*----------------------------XHYPER255A----------------------------------*/
#elif defined(CONFIG_ARCH_XHYPER255A)

#define IRQ_GPIO_ADS7843                 IRQ_GPIO(3)

#define _EXT_PORT0          0xF0200000 
#define EXT_PORT0           (*(volatile unsigned short *)( _EXT_PORT0 ))

#define ADS7843_DCLK        (1<<0)  // 
#define ADS7843_C           (1<<1)  // 
#define ADS7843_DI          (1<<2)  // 
#define D_ON_OFF            (1<<3)  // 
#define L_ON_OFF            (1<<4)  // 
#define LCD_Back_ON         (1<<5)  // 

#define XHYPER255_SetBit(x,y) {\
    if(x==0)      { hyper_port0 |= (y); EXT_PORT0 = hyper_port0;}\
}

#define XHYPER255_ClearBit(x, y) {\
    if(x==0)      { hyper_port0 &= ~(y); EXT_PORT0 = hyper_port0;}\
}

#endif	//CONFIG_ARCH_XHYPER255B

#define HYPER255_HLHBit(x,y) {\
HYPER255_SetBit(x,y);   udelay(5000);\
HYPER255_ClearBit(x,y); udelay(5000);\
HYPER255_SetBit(x,y);   udelay(5000);\
}

#define HYPER255_LHLBit(x,y) {\
HYPER255_ClearBit(x,y); udelay(5000);\
HYPER255_SetBit(x,y);   udelay(5000);\
HYPER255_ClearBit(x,y); udelay(5000);\
}