cregit-Linux how code gets into the kernel

Release 4.14 drivers/scsi/aha152x.h

Directory: drivers/scsi
/* 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 */

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)104393.04%654.55%
Christoph Hellwig635.62%19.09%
Jürgen E. Fischer131.16%218.18%
Greg Kroah-Hartman10.09%19.09%
Boaz Harrosh10.09%19.09%
Total1121100.00%11100.00%
Directory: drivers/scsi
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.