[mirror_ubuntu-artful-kernel.git] / drivers / scsi / aha1542.h

#ifndef _AHA1542_H_
#define _AHA1542_H_

#include <linux/types.h>

/* I/O Port interface 4.2 */
/* READ */
#define STATUS(base) base
#define STST	BIT(7)		/* Self Test in Progress */
#define DIAGF	BIT(6)		/* Internal Diagnostic Failure */
#define INIT	BIT(5)		/* Mailbox Initialization Required */
#define IDLE	BIT(4)		/* SCSI Host Adapter Idle */
#define CDF	BIT(3)		/* Command/Data Out Port Full */
#define DF	BIT(2)		/* Data In Port Full */
/* BIT(1) is reserved */
#define INVDCMD	BIT(0)		/* Invalid H A Command */
#define STATMASK (STST | DIAGF | INIT | IDLE | CDF | DF | INVDCMD)

#define INTRFLAGS(base) (STATUS(base)+2)
#define ANYINTR	BIT(7)		/* Any Interrupt */
#define SCRD	BIT(3)		/* SCSI Reset Detected */
#define HACC	BIT(2)		/* HA Command Complete */
#define MBOA	BIT(1)		/* MBO Empty */
#define MBIF	BIT(0)		/* MBI Full */
#define INTRMASK (ANYINTR | SCRD | HACC | MBOA | MBIF)

/* WRITE */
#define CONTROL(base) STATUS(base)
#define HRST	BIT(7)		/* Hard Reset */
#define SRST	BIT(6)		/* Soft Reset */
#define IRST	BIT(5)		/* Interrupt Reset */
#define SCRST	BIT(4)		/* SCSI Bus Reset */

/* READ/WRITE */
#define DATA(base) (STATUS(base)+1)
#define CMD_NOP		0x00	/* No Operation */
#define CMD_MBINIT	0x01	/* Mailbox Initialization */
#define CMD_START_SCSI	0x02	/* Start SCSI Command */
#define CMD_INQUIRY	0x04	/* Adapter Inquiry */
#define CMD_EMBOI	0x05	/* Enable MailBox Out Interrupt */
#define CMD_BUSON_TIME	0x07	/* Set Bus-On Time */
#define CMD_BUSOFF_TIME	0x08	/* Set Bus-Off Time */
#define CMD_DMASPEED	0x09	/* Set AT Bus Transfer Speed */
#define CMD_RETDEVS	0x0a	/* Return Installed Devices */
#define CMD_RETCONF	0x0b	/* Return Configuration Data */
#define CMD_RETSETUP	0x0d	/* Return Setup Data */
#define CMD_ECHO	0x1f	/* ECHO Command Data */

#define CMD_EXTBIOS     0x28    /* Return extend bios information only 1542C */
#define CMD_MBENABLE    0x29    /* Set Mailbox Interface enable only 1542C */

/* Mailbox Definition 5.2.1 and 5.2.2 */
struct mailbox {
	u8 status;	/* Command/Status */
	u8 ccbptr[3];	/* msb, .., lsb */
};

/* This is used with scatter-gather */
struct chain {
	u8 datalen[3];	/* Size of this part of chain */
	u8 dataptr[3];	/* Location of data */
};

/* These belong in scsi.h also */
static inline void any2scsi(u8 *p, u32 v)
{
	p[0] = v >> 16;
	p[1] = v >> 8;
	p[2] = v;
}

#define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )

#define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \
		      + (((long)(up)[2]) <<  8) +  ((long)(up)[3]) )

#define MAX_CDB 12
#define MAX_SENSE 14

struct ccb {		/* Command Control Block 5.3 */
	u8 op;		/* Command Control Block Operation Code */
	u8 idlun;	/* op=0,2:Target Id, op=1:Initiator Id */
			/* Outbound data transfer, length is checked*/
			/* Inbound data transfer, length is checked */
			/* Logical Unit Number */
	u8 cdblen;	/* SCSI Command Length */
	u8 rsalen;	/* Request Sense Allocation Length/Disable */
	u8 datalen[3];	/* Data Length (msb, .., lsb) */
	u8 dataptr[3];	/* Data Pointer */
	u8 linkptr[3];	/* Link Pointer */
	u8 commlinkid;	/* Command Linking Identifier */
	u8 hastat;	/* Host Adapter Status (HASTAT) */
	u8 tarstat;	/* Target Device Status */
	u8 reserved[2];
	u8 cdb[MAX_CDB+MAX_SENSE];	/* SCSI Command Descriptor Block */
					/* REQUEST SENSE */
};

#define AHA1542_REGION_SIZE 4
#define AHA1542_MAILBOXES 8

#endif /* _AHA1542_H_ */
Commit	Line	Data
e51dacbf OZ	1	#ifndef _AHA1542_H_
e51dacbf OZ	2	#define _AHA1542_H_
1da177e4 LT	3
	4	#include <linux/types.h>
	5
	6	/* I/O Port interface 4.2 */
	7	/* READ */
	8	#define STATUS(base) base
6d9ffe6a OZ	9	#define STST BIT(7) /* Self Test in Progress */
	10	#define DIAGF BIT(6) /* Internal Diagnostic Failure */
	11	#define INIT BIT(5) /* Mailbox Initialization Required */
	12	#define IDLE BIT(4) /* SCSI Host Adapter Idle */
	13	#define CDF BIT(3) /* Command/Data Out Port Full */
	14	#define DF BIT(2) /* Data In Port Full */
	15	/* BIT(1) is reserved */
	16	#define INVDCMD BIT(0) /* Invalid H A Command */
	17	#define STATMASK (STST \| DIAGF \| INIT \| IDLE \| CDF \| DF \| INVDCMD)
1da177e4 LT	18
1da177e4 LT	19	#define INTRFLAGS(base) (STATUS(base)+2)
6d9ffe6a OZ	20	#define ANYINTR BIT(7) /* Any Interrupt */
	21	#define SCRD BIT(3) /* SCSI Reset Detected */
	22	#define HACC BIT(2) /* HA Command Complete */
	23	#define MBOA BIT(1) /* MBO Empty */
	24	#define MBIF BIT(0) /* MBI Full */
	25	#define INTRMASK (ANYINTR \| SCRD \| HACC \| MBOA \| MBIF)
1da177e4 LT	26
	27	/* WRITE */
	28	#define CONTROL(base) STATUS(base)
6d9ffe6a OZ	29	#define HRST BIT(7) /* Hard Reset */
	30	#define SRST BIT(6) /* Soft Reset */
	31	#define IRST BIT(5) /* Interrupt Reset */
	32	#define SCRST BIT(4) /* SCSI Bus Reset */
1da177e4 LT	33
	34	/* READ/WRITE */
	35	#define DATA(base) (STATUS(base)+1)
	36	#define CMD_NOP 0x00 /* No Operation */
	37	#define CMD_MBINIT 0x01 /* Mailbox Initialization */
	38	#define CMD_START_SCSI 0x02 /* Start SCSI Command */
	39	#define CMD_INQUIRY 0x04 /* Adapter Inquiry */
	40	#define CMD_EMBOI 0x05 /* Enable MailBox Out Interrupt */
	41	#define CMD_BUSON_TIME 0x07 /* Set Bus-On Time */
	42	#define CMD_BUSOFF_TIME 0x08 /* Set Bus-Off Time */
	43	#define CMD_DMASPEED 0x09 /* Set AT Bus Transfer Speed */
	44	#define CMD_RETDEVS 0x0a /* Return Installed Devices */
	45	#define CMD_RETCONF 0x0b /* Return Configuration Data */
	46	#define CMD_RETSETUP 0x0d /* Return Setup Data */
	47	#define CMD_ECHO 0x1f /* ECHO Command Data */
	48
	49	#define CMD_EXTBIOS 0x28 /* Return extend bios information only 1542C */
	50	#define CMD_MBENABLE 0x29 /* Set Mailbox Interface enable only 1542C */
	51
	52	/* Mailbox Definition 5.2.1 and 5.2.2 */
	53	struct mailbox {
cb5b570c OZ	54	u8 status; /* Command/Status */
cb5b570c OZ	55	u8 ccbptr[3]; /* msb, .., lsb */
1da177e4 LT	56	};
	57
	58	/* This is used with scatter-gather */
	59	struct chain {
cb5b570c OZ	60	u8 datalen[3]; /* Size of this part of chain */
cb5b570c OZ	61	u8 dataptr[3]; /* Location of data */
1da177e4 LT	62	};
	63
	64	/* These belong in scsi.h also */
	65	static inline void any2scsi(u8 *p, u32 v)
	66	{
	67	p[0] = v >> 16;
	68	p[1] = v >> 8;
	69	p[2] = v;
	70	}
	71
	72	#define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )
	73
1da177e4 LT	74	#define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \
	75	+ (((long)(up)[2]) << 8) + ((long)(up)[3]) )
	76
	77	#define MAX_CDB 12
	78	#define MAX_SENSE 14
	79
cb5b570c OZ	80	struct ccb { /* Command Control Block 5.3 */
	81	u8 op; /* Command Control Block Operation Code */
	82	u8 idlun; /* op=0,2:Target Id, op=1:Initiator Id */
	83	/* Outbound data transfer, length is checked*/
	84	/* Inbound data transfer, length is checked */
	85	/* Logical Unit Number */
	86	u8 cdblen; /* SCSI Command Length */
	87	u8 rsalen; /* Request Sense Allocation Length/Disable */
	88	u8 datalen[3]; /* Data Length (msb, .., lsb) */
	89	u8 dataptr[3]; /* Data Pointer */
	90	u8 linkptr[3]; /* Link Pointer */
	91	u8 commlinkid; /* Command Linking Identifier */
	92	u8 hastat; /* Host Adapter Status (HASTAT) */
	93	u8 tarstat; /* Target Device Status */
	94	u8 reserved[2];
	95	u8 cdb[MAX_CDB+MAX_SENSE]; /* SCSI Command Descriptor Block */
	96	/* REQUEST SENSE */
1da177e4 LT	97	};
1da177e4 LT	98
3a70c006	99	#define AHA1542_REGION_SIZE 4
1da177e4	100	#define AHA1542_MAILBOXES 8
1da177e4	101
e51dacbf	102	#endif /* _AHA1542_H_ */