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/* $OpenBSD: wdsreg.h,v 1.4 1997/11/07 08:07:11 niklas Exp $ */
typedef u_int8_t physaddr[3];
typedef u_int8_t physlen[3];
#define ltophys _lto3b
#define phystol _3btol
/* WD7000 registers */
#define WDS_STAT 0 /* read */
#define WDS_IRQSTAT 1 /* read */
#define WDS_CMD 0 /* write */
#define WDS_IRQACK 1 /* write */
#define WDS_HCR 2 /* write */
#define WDS_IO_PORTS 8 /* size in I/O-space */
/* WDS_STAT (read) defs */
#define WDSS_IRQ 0x80
#define WDSS_RDY 0x40
#define WDSS_REJ 0x20
#define WDSS_INIT 0x10
/* WDS_IRQSTAT (read) defs */
#define WDSI_MASK 0xc0
#define WDSI_ERR 0x00
#define WDSI_MFREE 0x80
#define WDSI_MSVC 0xc0
/* WDS_CMD (write) defs */
#define WDSC_NOOP 0x00
#define WDSC_INIT 0x01
#define WDSC_DISUNSOL 0x02
#define WDSC_ENAUNSOL 0x03
#define WDSC_IRQMFREE 0x04
#define WDSC_SCSIRESETSOFT 0x05
#define WDSC_SCSIRESETHARD 0x06
#define WDSC_MSTART(m) (0x80 + (m))
#define WDSC_MMSTART(m) (0xc0 + (m))
/* WDS_HCR (write) defs */
#define WDSH_IRQEN 0x08
#define WDSH_DRQEN 0x04
#define WDSH_SCSIRESET 0x02
#define WDSH_ASCRESET 0x01
#define WDS_NSEG 17
struct wds_scat_gath {
physlen seg_len;
physaddr seg_addr;
};
struct wds_cmd {
u_int8_t opcode;
u_int8_t targ;
struct scsi_generic scb;
u_int8_t stat;
u_int8_t venderr;
physlen len;
physaddr data;
physaddr link;
u_int8_t write;
u_int8_t xx[6];
};
struct wds_scb {
struct wds_cmd cmd;
struct wds_cmd sense;
struct wds_scat_gath scat_gath[WDS_NSEG];
struct scsi_sense_data sense_data;
/*----------------------------------------------------------------*/
#define SCB_PHYS_SIZE ((int)&((struct wds_scb *)0)->chain)
TAILQ_ENTRY(wds_scb) chain;
struct wds_scb *nexthash;
long hashkey;
struct scsi_xfer *xs;
int flags;
#define SCB_ALLOC 0x01
#define SCB_ABORT 0x02
#ifdef WDSDIAG
#define SCB_SENDING 0x04
#endif
#define SCB_POLLED 0x08
#define SCB_SENSE 0x10
#define SCB_DONE 0x20 /* for internal commands only */
#define SCB_BUFFER 0x40
int timeout;
#ifdef notyet
struct isadma_seg scb_phys[1]; /* phys segment of this scb */
struct isadma_seg data_phys[WDS_NSEG]; /* phys segments of data */
int data_nseg; /* number of phys segments of data */
#endif
struct wds_buf *buf;
};
#define WDSX_SCSICMD 0x00
#define WDSX_SCSISG 0x01
#define WDSX_OPEN_RCVBUF 0x80
#define WDSX_RCV_CMD 0x81
#define WDSX_RCV_DATA 0x82
#define WDSX_RCV_DATASTAT 0x83
#define WDSX_SND_DATA 0x84
#define WDSX_SND_DATASTAT 0x85
#define WDSX_SND_CMDSTAT 0x86
#define WDSX_READINIT 0x88
#define WDSX_READSCSIID 0x89
#define WDSX_SETUNSOLIRQMASK 0x8a
#define WDSX_GETUNSOLIRQMASK 0x8b
#define WDSX_GETFIRMREV 0x8c
#define WDSX_EXECDIAG 0x8d
#define WDSX_SETEXECPARM 0x8e
#define WDSX_GETEXECPARM 0x8f
struct wds_mbx_out {
u_int8_t cmd;
physaddr scb_addr;
};
struct wds_mbx_in {
u_int8_t stat;
physaddr scb_addr;
};
/*
* mbo.cmd values
*/
#define WDS_MBO_FREE 0x0 /* MBO entry is free */
#define WDS_MBO_START 0x1 /* MBO activate entry */
/*
* mbi.stat values
*/
#define WDS_MBI_FREE 0x00 /* MBI entry is free */
#define WDS_MBI_OK 0x01 /* completed without error */
#define WDS_MBI_OKERR 0x02 /* completed with error */
#define WDS_MBI_ETIME 0x04
#define WDS_MBI_ERESET 0x05
#define WDS_MBI_ETARCMD 0x06
#define WDS_MBI_ERESEL 0x80
#define WDS_MBI_ESEL 0x81
#define WDS_MBI_EABORT 0x82
#define WDS_MBI_ESRESET 0x83
#define WDS_MBI_EHRESET 0x84
struct wds_setup {
u_int8_t opcode;
u_int8_t scsi_id;
u_int8_t buson_t;
u_int8_t busoff_t;
u_int8_t xx;
physaddr mbaddr;
u_int8_t nomb;
u_int8_t nimb;
};
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