| /* 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 */ |
