www.pudn.com > BIOS-S3C2410.rar > DMAAdmin.h

#ifndef	DMA_ADMIN_H 
#define	DMA_ADMIN_H 
 
#include "def.h" 
 
#define	MAX_DMA_CHANNEL	4 
//#define	DMA_IS_USED	1 
#define	DMA_IS_HWTRIG	2 
#define	DMA_IS_SWTRIG	1 
#define	DMA_IS_FREE		0 
 
// request source 
#define	REQ_XDREQ0	0 
#define	REQ_UART0	1 
#define	REQ_SDI		2 
#define	REQ_TIMER	3 
#define	REQ_USB_EP1	4 
#define	REQ_XDREQ1	0x10 
#define	REQ_UART1	0x11 
//#define	REQ_IISDI	0x12 
#define	REQ_SPI		0x13 
#define	REQ_USB_EP2	0x14 
#define	REQ_IISDO	0x20 
#define	REQ_IISDI	0x21 
//#define	REQ_SDI		0x22 
//#define	REQ_TIMER	0x23 
#define	REQ_USB_EP3	0x24 
#define	REQ_UART2	0x30 
//#define	REQ_SDI		0x31 
//#define	REQ_SPI		0x32 
//#define	REQ_TIMER	0x33 
#define	REQ_USB_EP4	0x34 
 
// DISRCC, DIDSTC parameters 
#define	SRC_LOC_APB			0x200 
#define	SRC_LOC_AHB			0 
#define	SRC_ADDR_FIXED		0x100 
#define	SRC_ADDR_INC		0 
#define	DST_LOC_APB			0x2000 
#define	DST_LOC_AHB			0 
#define	DST_ADDR_FIXED		0x1000 
#define	DST_ADDR_INC		0	 
// DCON paramaters 
#define	HANDSHAKE_MODE	0x80000000	//[31] 
#define	DEMAND_MODE		0x00000000 
#define	SYNC_AHB		0x40000000	//[30] 
#define	SYNC_APB		0x00000000 
#define	DONE_GEN_INT	0x20000000	//[29] 
#define	DONE_NO_INT		0x00000000 
#define	TSZ_BURST		0x10000000	//[28] 
#define	TSZ_UNIT		0x00000000 
#define	WHOLE_SVC		0x08000000	//[27] 
#define	SINGLE_SVC		0x00000000 
#define	HW_TRIG			0x00800000	//[23] 
#define	SW_TRIG			0x00000000 
#define	RELOAD_OFF		0x00400000	//[22] 
#define	RELOAD_ON		0x00000000 
#define	DSZ_8b			0x00000000 
#define	DSZ_16b			0x00100000 
#define	DSZ_32b			0x00200000	//[21:20] 
 
/////////////////////////////////////////////////////// 
#define	DMA_START			0x8000 
#define	REQUEST_DMA_FAIL	0x1000 
 
/* 
U32 RequestDMAChannel(U16 ch, U16 DevID); 
U32 QueryDMAChannel(U16 ch); 
void ReleaseDMAChannel(U16 ch); 
*/ 
 
U32 RequestDMASW(U32 attr, U32 mode); 
U32 RequestDMA(U32 attr, U32 mode); 
U16 ReleaseDMA(U32 attr); 
U16 StartDMA(U32 attr); 
U16 StopDMA(U32 attr); 
U16 SetDMARun(U32 attr, U32 src_addr, U32 dst_addr, U32 len); 
U32 QueryDMAStat(U32 attr); 
U32 QueryDMASrc(U32 attr); 
U32 QueryDMADst(U32 attr); 
 
#endif	/* DMA_ADMIN_H	*/