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Diffstat (limited to 'drivers/scsi/aha152x.h')
| -rw-r--r-- | drivers/scsi/aha152x.h | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/drivers/scsi/aha152x.h b/drivers/scsi/aha152x.h new file mode 100644 index 000000000..efd01877d --- /dev/null +++ b/drivers/scsi/aha152x.h @@ -0,0 +1,338 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _AHA152X_H +#define _AHA152X_H + +/* + * $Id: aha152x.h,v 2.7 2004/01/24 11:39:03 fischer Exp $ + */ + +/* number of queueable commands + (unless we support more than 1 cmd_per_lun this should do) */ +#define AHA152X_MAXQUEUE 7 + +#define AHA152X_REVID "Adaptec 152x SCSI driver; $Revision: 2.7 $" + +/* port addresses */ +#define SCSISEQ (HOSTIOPORT0+0x00) /* SCSI sequence control */ +#define SXFRCTL0 (HOSTIOPORT0+0x01) /* SCSI transfer control 0 */ +#define SXFRCTL1 (HOSTIOPORT0+0x02) /* SCSI transfer control 1 */ +#define SCSISIG (HOSTIOPORT0+0x03) /* SCSI signal in/out */ +#define SCSIRATE (HOSTIOPORT0+0x04) /* SCSI rate control */ +#define SELID (HOSTIOPORT0+0x05) /* selection/reselection ID */ +#define SCSIID SELID /* SCSI ID */ +#define SCSIDAT (HOSTIOPORT0+0x06) /* SCSI latched data */ +#define SCSIBUS (HOSTIOPORT0+0x07) /* SCSI data bus */ +#define STCNT0 (HOSTIOPORT0+0x08) /* SCSI transfer count 0 */ +#define STCNT1 (HOSTIOPORT0+0x09) /* SCSI transfer count 1 */ +#define STCNT2 (HOSTIOPORT0+0x0a) /* SCSI transfer count 2 */ +#define SSTAT0 (HOSTIOPORT0+0x0b) /* SCSI interrupt status 0 */ +#define SSTAT1 (HOSTIOPORT0+0x0c) /* SCSI interrupt status 1 */ +#define SSTAT2 (HOSTIOPORT0+0x0d) /* SCSI interrupt status 2 */ +#define SCSITEST (HOSTIOPORT0+0x0e) /* SCSI test control */ +#define SSTAT3 SCSITEST /* SCSI interrupt status 3 */ +#define SSTAT4 (HOSTIOPORT0+0x0f) /* SCSI status 4 */ +#define SIMODE0 (HOSTIOPORT1+0x10) /* SCSI interrupt mode 0 */ +#define SIMODE1 (HOSTIOPORT1+0x11) /* SCSI interrupt mode 1 */ +#define DMACNTRL0 (HOSTIOPORT1+0x12) /* DMA control 0 */ +#define DMACNTRL1 (HOSTIOPORT1+0x13) /* DMA control 1 */ +#define DMASTAT (HOSTIOPORT1+0x14) /* DMA status */ +#define FIFOSTAT (HOSTIOPORT1+0x15) /* FIFO status */ +#define DATAPORT (HOSTIOPORT1+0x16) /* DATA port */ +#define BRSTCNTRL (HOSTIOPORT1+0x18) /* burst control */ +#define PORTA (HOSTIOPORT1+0x1a) /* PORT A */ +#define PORTB (HOSTIOPORT1+0x1b) /* PORT B */ +#define REV (HOSTIOPORT1+0x1c) /* revision */ +#define STACK (HOSTIOPORT1+0x1d) /* stack */ +#define TEST (HOSTIOPORT1+0x1e) /* test register */ + +#define IO_RANGE 0x20 + +/* used in aha152x_porttest */ +#define O_PORTA 0x1a /* PORT A */ +#define O_PORTB 0x1b /* PORT B */ +#define O_DMACNTRL1 0x13 /* DMA control 1 */ +#define O_STACK 0x1d /* stack */ + +/* used in tc1550_porttest */ +#define O_TC_PORTA 0x0a /* PORT A */ +#define O_TC_PORTB 0x0b /* PORT B */ +#define O_TC_DMACNTRL1 0x03 /* DMA control 1 */ +#define O_TC_STACK 0x0d /* stack */ + +/* bits and bitmasks to ports */ + +/* SCSI sequence control */ +#define TEMODEO 0x80 +#define ENSELO 0x40 +#define ENSELI 0x20 +#define ENRESELI 0x10 +#define ENAUTOATNO 0x08 +#define ENAUTOATNI 0x04 +#define ENAUTOATNP 0x02 +#define SCSIRSTO 0x01 + +/* SCSI transfer control 0 */ +#define SCSIEN 0x80 +#define DMAEN 0x40 +#define CH1 0x20 +#define CLRSTCNT 0x10 +#define SPIOEN 0x08 +#define CLRCH1 0x02 + +/* SCSI transfer control 1 */ +#define BITBUCKET 0x80 +#define SWRAPEN 0x40 +#define ENSPCHK 0x20 +#define STIMESEL 0x18 /* mask */ +#define STIMESEL_ 3 +#define ENSTIMER 0x04 +#define BYTEALIGN 0x02 + +/* SCSI signal IN */ +#define SIG_CDI 0x80 +#define SIG_IOI 0x40 +#define SIG_MSGI 0x20 +#define SIG_ATNI 0x10 +#define SIG_SELI 0x08 +#define SIG_BSYI 0x04 +#define SIG_REQI 0x02 +#define SIG_ACKI 0x01 + +/* SCSI Phases */ +#define P_MASK (SIG_MSGI|SIG_CDI|SIG_IOI) +#define P_DATAO (0) +#define P_DATAI (SIG_IOI) +#define P_CMD (SIG_CDI) +#define P_STATUS (SIG_CDI|SIG_IOI) +#define P_MSGO (SIG_MSGI|SIG_CDI) +#define P_MSGI (SIG_MSGI|SIG_CDI|SIG_IOI) + +/* SCSI signal OUT */ +#define SIG_CDO 0x80 +#define SIG_IOO 0x40 +#define SIG_MSGO 0x20 +#define SIG_ATNO 0x10 +#define SIG_SELO 0x08 +#define SIG_BSYO 0x04 +#define SIG_REQO 0x02 +#define SIG_ACKO 0x01 + +/* SCSI rate control */ +#define SXFR 0x70 /* mask */ +#define SXFR_ 4 +#define SOFS 0x0f /* mask */ + +/* SCSI ID */ +#define OID 0x70 +#define OID_ 4 +#define TID 0x07 + +/* SCSI transfer count */ +#define GETSTCNT() ( (GETPORT(STCNT2)<<16) \ + + (GETPORT(STCNT1)<< 8) \ + + GETPORT(STCNT0) ) + +#define SETSTCNT(X) { SETPORT(STCNT2, ((X) & 0xFF0000) >> 16); \ + SETPORT(STCNT1, ((X) & 0x00FF00) >> 8); \ + SETPORT(STCNT0, ((X) & 0x0000FF) ); } + +/* SCSI interrupt status */ +#define TARGET 0x80 +#define SELDO 0x40 +#define SELDI 0x20 +#define SELINGO 0x10 +#define SWRAP 0x08 +#define SDONE 0x04 +#define SPIORDY 0x02 +#define DMADONE 0x01 + +#define SETSDONE 0x80 +#define CLRSELDO 0x40 +#define CLRSELDI 0x20 +#define CLRSELINGO 0x10 +#define CLRSWRAP 0x08 +#define CLRSDONE 0x04 +#define CLRSPIORDY 0x02 +#define CLRDMADONE 0x01 + +/* SCSI status 1 */ +#define SELTO 0x80 +#define ATNTARG 0x40 +#define SCSIRSTI 0x20 +#define PHASEMIS 0x10 +#define BUSFREE 0x08 +#define SCSIPERR 0x04 +#define PHASECHG 0x02 +#define REQINIT 0x01 + +#define CLRSELTIMO 0x80 +#define CLRATNO 0x40 +#define CLRSCSIRSTI 0x20 +#define CLRBUSFREE 0x08 +#define CLRSCSIPERR 0x04 +#define CLRPHASECHG 0x02 +#define CLRREQINIT 0x01 + +/* SCSI status 2 */ +#define SOFFSET 0x20 +#define SEMPTY 0x10 +#define SFULL 0x08 +#define SFCNT 0x07 /* mask */ + +/* SCSI status 3 */ +#define SCSICNT 0xf0 /* mask */ +#define SCSICNT_ 4 +#define OFFCNT 0x0f /* mask */ + +/* SCSI TEST control */ +#define SCTESTU 0x08 +#define SCTESTD 0x04 +#define STCTEST 0x01 + +/* SCSI status 4 */ +#define SYNCERR 0x04 +#define FWERR 0x02 +#define FRERR 0x01 + +#define CLRSYNCERR 0x04 +#define CLRFWERR 0x02 +#define CLRFRERR 0x01 + +/* SCSI interrupt mode 0 */ +#define ENSELDO 0x40 +#define ENSELDI 0x20 +#define ENSELINGO 0x10 +#define ENSWRAP 0x08 +#define ENSDONE 0x04 +#define ENSPIORDY 0x02 +#define ENDMADONE 0x01 + +/* SCSI interrupt mode 1 */ +#define ENSELTIMO 0x80 +#define ENATNTARG 0x40 +#define ENSCSIRST 0x20 +#define ENPHASEMIS 0x10 +#define ENBUSFREE 0x08 +#define ENSCSIPERR 0x04 +#define ENPHASECHG 0x02 +#define ENREQINIT 0x01 + +/* DMA control 0 */ +#define ENDMA 0x80 +#define _8BIT 0x40 +#define DMA 0x20 +#define WRITE_READ 0x08 +#define INTEN 0x04 +#define RSTFIFO 0x02 +#define SWINT 0x01 + +/* DMA control 1 */ +#define PWRDWN 0x80 +#define STK 0x07 /* mask */ + +/* DMA status */ +#define ATDONE 0x80 +#define WORDRDY 0x40 +#define INTSTAT 0x20 +#define DFIFOFULL 0x10 +#define DFIFOEMP 0x08 + +/* BURST control */ +#define BON 0xf0 +#define BOFF 0x0f + +/* TEST REGISTER */ +#define BOFFTMR 0x40 +#define BONTMR 0x20 +#define STCNTH 0x10 +#define STCNTM 0x08 +#define STCNTL 0x04 +#define SCSIBLK 0x02 +#define DMABLK 0x01 + +/* On the AHA-152x board PORTA and PORTB contain + some information about the board's configuration. */ +typedef union { + struct { + unsigned reserved:2; /* reserved */ + unsigned tardisc:1; /* Target disconnect: 0=disabled, 1=enabled */ + unsigned syncneg:1; /* Initial sync neg: 0=disabled, 1=enabled */ + unsigned msgclasses:2; /* Message classes + 0=#4 + 1=#0, #1, #2, #3, #4 + 2=#0, #3, #4 + 3=#0, #4 + */ + unsigned boot:1; /* boot: 0=disabled, 1=enabled */ + unsigned dma:1; /* Transfer mode: 0=PIO; 1=DMA */ + unsigned id:3; /* SCSI-id */ + unsigned irq:2; /* IRQ-Channel: 0,3=12, 1=10, 2=11 */ + unsigned dmachan:2; /* DMA-Channel: 0=0, 1=5, 2=6, 3=7 */ + unsigned parity:1; /* SCSI-parity: 1=enabled 0=disabled */ + } fields; + unsigned short port; +} aha152x_config ; + +#define cf_parity fields.parity +#define cf_dmachan fields.dmachan +#define cf_irq fields.irq +#define cf_id fields.id +#define cf_dma fields.dma +#define cf_boot fields.boot +#define cf_msgclasses fields.msgclasses +#define cf_syncneg fields.syncneg +#define cf_tardisc fields.tardisc +#define cf_port port + +/* Some macros to manipulate ports and their bits */ + +#define SETPORT(PORT, VAL) outb( (VAL), (PORT) ) +#define GETPORT(PORT) inb( PORT ) +#define SETBITS(PORT, BITS) outb( (inb(PORT) | (BITS)), (PORT) ) +#define CLRBITS(PORT, BITS) outb( (inb(PORT) & ~(BITS)), (PORT) ) +#define TESTHI(PORT, BITS) ((inb(PORT) & (BITS)) == (BITS)) +#define TESTLO(PORT, BITS) ((inb(PORT) & (BITS)) == 0) + +#define SETRATE(RATE) SETPORT(SCSIRATE,(RATE) & 0x7f) + +#if defined(AHA152X_DEBUG) +enum { + debug_procinfo = 0x0001, + debug_queue = 0x0002, + debug_locking = 0x0004, + debug_intr = 0x0008, + debug_selection = 0x0010, + debug_msgo = 0x0020, + debug_msgi = 0x0040, + debug_status = 0x0080, + debug_cmd = 0x0100, + debug_datai = 0x0200, + debug_datao = 0x0400, + debug_eh = 0x0800, + debug_done = 0x1000, + debug_phases = 0x2000, +}; +#endif + +/* for the pcmcia stub */ +struct aha152x_setup { + int io_port; + int irq; + int scsiid; + int reconnect; + int parity; + int synchronous; + int delay; + int ext_trans; + int tc1550; +#if defined(AHA152X_DEBUG) + int debug; +#endif + char *conf; +}; + +struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *); +void aha152x_release(struct Scsi_Host *); +int aha152x_host_reset_host(struct Scsi_Host *); + +#endif /* _AHA152X_H */ |