[linux-2.6-block.git] / drivers / scsi / gvp11.h

#ifndef GVP11_H

/* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $
 *
 * Header file for the GVP Series II SCSI controller for Linux
 *
 * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info
 * based on a2091.h (C) 1993 by Hamish Macdonald
 *
 */

#include <linux/types.h>

int gvp11_detect(struct scsi_host_template *);
int gvp11_release(struct Scsi_Host *);

#ifndef CMD_PER_LUN
#define CMD_PER_LUN 2
#endif

#ifndef CAN_QUEUE
#define CAN_QUEUE 16
#endif

#ifndef HOSTS_C

/*
 * if the transfer address ANDed with this results in a non-zero
 * result, then we can't use DMA.
 */
#define GVP11_XFER_MASK  (0xff000001)

typedef struct {
             unsigned char      pad1[64];
    volatile unsigned short     CNTR;
             unsigned char      pad2[31];
    volatile unsigned char      SASR;
             unsigned char      pad3;
    volatile unsigned char      SCMD;
             unsigned char      pad4[4];
    volatile unsigned short     BANK;
             unsigned char      pad5[6];
    volatile unsigned long      ACR;
    volatile unsigned short     secret1; /* store 0 here */
    volatile unsigned short     ST_DMA;
    volatile unsigned short     SP_DMA;
    volatile unsigned short     secret2; /* store 1 here */
    volatile unsigned short     secret3; /* store 15 here */
} gvp11_scsiregs;

/* bits in CNTR */
#define GVP11_DMAC_BUSY		(1<<0)
#define GVP11_DMAC_INT_PENDING	(1<<1)
#define GVP11_DMAC_INT_ENABLE	(1<<3)
#define GVP11_DMAC_DIR_WRITE	(1<<4)

#endif /* else def HOSTS_C */

#endif /* GVP11_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef GVP11_H
	2
	3	/* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $
	4	*
	5	* Header file for the GVP Series II SCSI controller for Linux
	6	*
	7	* Written and (C) 1993, Ralf Baechle, see gvp11.c for more info
	8	* based on a2091.h (C) 1993 by Hamish Macdonald
	9	*
	10	*/
	11
	12	#include <linux/types.h>
	13
d0be4a7d	14	int gvp11_detect(struct scsi_host_template *);
1da177e4	15	int gvp11_release(struct Scsi_Host *);
1da177e4 LT	16
	17	#ifndef CMD_PER_LUN
	18	#define CMD_PER_LUN 2
	19	#endif
	20
	21	#ifndef CAN_QUEUE
	22	#define CAN_QUEUE 16
	23	#endif
	24
	25	#ifndef HOSTS_C
	26
	27	/*
	28	* if the transfer address ANDed with this results in a non-zero
	29	* result, then we can't use DMA.
	30	*/
	31	#define GVP11_XFER_MASK (0xff000001)
	32
	33	typedef struct {
	34	unsigned char pad1[64];
	35	volatile unsigned short CNTR;
	36	unsigned char pad2[31];
	37	volatile unsigned char SASR;
	38	unsigned char pad3;
	39	volatile unsigned char SCMD;
	40	unsigned char pad4[4];
	41	volatile unsigned short BANK;
	42	unsigned char pad5[6];
	43	volatile unsigned long ACR;
	44	volatile unsigned short secret1; /* store 0 here */
	45	volatile unsigned short ST_DMA;
	46	volatile unsigned short SP_DMA;
	47	volatile unsigned short secret2; /* store 1 here */
	48	volatile unsigned short secret3; /* store 15 here */
	49	} gvp11_scsiregs;
	50
	51	/* bits in CNTR */
	52	#define GVP11_DMAC_BUSY (1<<0)
	53	#define GVP11_DMAC_INT_PENDING (1<<1)
	54	#define GVP11_DMAC_INT_ENABLE (1<<3)
	55	#define GVP11_DMAC_DIR_WRITE (1<<4)
	56
	57	#endif /* else def HOSTS_C */
	58
	59	#endif /* GVP11_H */