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      1 /*	$NetBSD: ihareg.h,v 1.9 2008/05/03 05:21:25 tsutsui Exp $ */
      2 
      3 /*-
      4  * Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller.
      5  *
      6  *  Written for 386bsd and FreeBSD by
      7  *	Winston Hung		<winstonh (at) initio.com>
      8  *
      9  * Copyright (c) 1997-1999 Initio Corp.
     10  * Copyright (c) 2000 Ken Westerback
     11  * All rights reserved.
     12  *
     13  * Redistribution and use in source and binary forms, with or without
     14  * modification, are permitted provided that the following conditions
     15  * are met:
     16  * 1. Redistributions of source code must retain the above copyright
     17  *    notice, this list of conditions and the following disclaimer,
     18  *    without modification, immediately at the beginning of the file.
     19  * 2. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
     26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     28  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     30  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     31  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     32  * THE POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 /*
     36  * Ported to NetBSD by Izumi Tsutsui <tsutsui (at) NetBSD.org> from OpenBSD:
     37  * $OpenBSD: iha.h,v 1.2 2001/02/08 17:35:05 krw Exp $
     38  */
     39 
     40 /*
     41  *  Tulip (aka inic-940/950) PCI Configuration Space Initio Specific Registers
     42  *
     43  *  Offsets 0x00 through 0x3f are the standard PCI Configuration Header
     44  *  registers.
     45  *
     46  *  Offsets 0x40 through 0x4f, 0x51, 0x53, 0x57, 0x5b, 0x5e and 0x5f are
     47  *  reserved registers.
     48  *
     49  *  Registers 0x50 and 0x52 always read as 0.
     50  *
     51  *  The register offset names and associated bit field names are taken
     52  *  from the Inic-950 Data Sheet, Version 2.1, March 1997
     53  */
     54 #define TUL_GCTRL0	0x54	       /* R/W Global Control 0		     */
     55 #define     EEPRG	    0x04       /*     Enable EEPROM Programming	     */
     56 #define TUL_GCTRL1	0x55	       /* R/W Global Control 1		     */
     57 #define     ATDEN	    0x01       /*     Auto Termination Detect Enable */
     58 #define TUL_GSTAT	0x56	       /* R/W Global Status - connector type */
     59 #define TUL_EPAD0	0x58	       /* R/W External EEPROM Addr (lo byte) */
     60 #define TUL_EPAD1	0x59	       /* R/W External EEPROM Addr (hi byte) */
     61 #define TUL_PNVPG	0x5A	       /* R/W Data port to external BIOS     */
     62 #define TUL_EPDATA	0x5C	       /* R/W EEPROM Data port		     */
     63 #define TUL_NVRAM	0x5D	       /* R/W Non-volatile RAM port	     */
     64 #define     READ	    0x80       /*     Read from given NVRAM addr     */
     65 #define     WRITE           0x40       /*     Write to given NVRAM addr	     */
     66 #define     ENABLE_ERASE    0x30       /*     Enable NVRAM Erase/Write       */
     67 #define     NVRCS	    0x08       /*     Select external NVRAM	     */
     68 #define     NVRCK	    0x04       /*     NVRAM Clock		     */
     69 #define     NVRDO	    0x02       /*     NVRAM Write Data		     */
     70 #define     NVRDI	    0x01       /*     NVRAM Read  Data		     */
     71 
     72 /*
     73  *   Tulip (aka inic-940/950) SCSI Registers
     74  */
     75 #define TUL_STCNT0	0x80	       /* R/W 24 bit SCSI Xfer Count	     */
     76 #define     TCNT	    0x00ffffff /*     SCSI Xfer Transfer Count	     */
     77 #define TUL_SFIFOCNT	0x83	       /* R/W  5 bit FIFO counter	     */
     78 #define     FIFOC	    0x1f       /*     SCSI Offset Fifo Count	     */
     79 #define TUL_SISTAT	0x84	       /* R   Interrupt Register	     */
     80 #define     RSELED	    0x80       /*     Reselected		     */
     81 #define     STIMEO	    0x40       /*     Selected/Reselected Timeout    */
     82 #define     SBSRV	    0x20       /*     SCSI Bus Service		     */
     83 #define     SRSTD	    0x10       /*     SCSI Reset Detected	     */
     84 #define     DISCD	    0x08       /*     Disconnected Status	     */
     85 #define     SELED	    0x04       /*     Select Interrupt		     */
     86 #define     SCAMSCT	    0x02       /*     SCAM selected		     */
     87 #define     SCMDN	    0x01       /*     Command Complete		     */
     88 #define TUL_SIEN	0x84	       /* W   Interrupt enable		     */
     89 #define     ALL_INTERRUPTS  0xff
     90 #define TUL_STAT0	0x85	       /* R   Status 0			     */
     91 #define     INTPD	    0x80       /*     Interrupt pending		     */
     92 #define     SQACT	    0x40       /*     Sequencer active		     */
     93 #define     XFCZ	    0x20       /*     Xfer counter zero		     */
     94 #define     SFEMP	    0x10       /*     FIFO empty		     */
     95 #define     SPERR	    0x08       /*     SCSI parity error		     */
     96 #define     PH_MASK	    0x07       /*     SCSI phase mask		     */
     97 #define TUL_SCTRL0	0x85	       /* W   Control 0			     */
     98 #define     RSSQC	    0x20       /*     Reset sequence counter	     */
     99 #define     RSFIFO	    0x10       /*     Flush FIFO		     */
    100 #define     CMDAB	    0x04       /*     Abort command (sequence)	     */
    101 #define     RSMOD	    0x02       /*     Reset SCSI Chip		     */
    102 #define     RSCSI	    0x01       /*     Reset SCSI Bus		     */
    103 #define TUL_STAT1	0x86	       /* R   Status 1			     */
    104 #define     STRCV	    0x80       /*     Status received		     */
    105 #define     MSGST	    0x40       /*     Message sent		     */
    106 #define     CPDNE	    0x20       /*     Data phase done		     */
    107 #define     DPHDN	    0x10       /*     Data phase done		     */
    108 #define     STSNT	    0x08       /*     Status sent		     */
    109 #define     SXCMP	    0x04       /*     Xfer completed		     */
    110 #define     SLCMP	    0x02       /*     Selection completed	     */
    111 #define     ARBCMP	    0x01       /*     Arbitration completed	     */
    112 #define TUL_SCTRL1	0x86	       /* W   Control 1			     */
    113 #define     ENSCAM	    0x80       /*     Enable SCAM		     */
    114 #define     NIDARB	    0x40       /*     No ID for Arbitration	     */
    115 #define     ENLRS	    0x20       /*     Low Level Reselect	     */
    116 #define     PWDN	    0x10       /*     Power down mode		     */
    117 #define     WCPU	    0x08       /*     Wide CPU			     */
    118 #define     EHRSL	    0x04       /*     Enable HW reselect	     */
    119 #define     ESBUSOUT	    0x02       /*     Enable SCSI data bus out latch */
    120 #define     ESBUSIN	    0x01       /*     Enable SCSI data bus in latch  */
    121 #define TUL_SSTATUS2	0x87	       /* R   Status 2			     */
    122 #define     SABRT	    0x80       /*     Command aborted		     */
    123 #define     OSCZ	    0x40       /*     Offset counter zero	     */
    124 #define     SFFUL	    0x20       /*     FIFO full			     */
    125 #define     TMCZ	    0x10       /*     Timeout counter zero	     */
    126 #define     BSYGN	    0x08       /*     Busy release		     */
    127 #define     PHMIS	    0x04       /*     Phase mismatch		     */
    128 #define     SBEN	    0x02       /*     SCSI data bus enable	     */
    129 #define     SRST	    0x01       /*     SCSI bus reset in progress     */
    130 #define TUL_SCONFIG0	0x87	       /* W   Configuration		     */
    131 #define     PHLAT	    0x80       /*     Enable phase latch	     */
    132 #define     ITMOD	    0x40       /*     Initiator mode		     */
    133 #define     SPCHK	    0x20       /*     Enable SCSI parity	     */
    134 #define     ADMA8	    0x10       /*     Alternate dma 8-bits mode	     */
    135 #define     ADMAW	    0x08       /*     Alternate dma 16-bits mode     */
    136 #define     EDACK	    0x04       /*     Enable DACK in wide SCSI xfer  */
    137 #define     ALTPD	    0x02       /*     Alternate sync period mode     */
    138 #define     DSRST	    0x01       /*     Disable SCSI Reset signal	     */
    139 #define     SCONFIG0DEFAULT (PHLAT | ITMOD | ALTPD | DSRST)
    140 #define TUL_SOFSC	0x88	       /* R   Offset			     */
    141 #define     PERIOD_WIDE_SCSI	0x80   /*     Enable Wide SCSI               */
    142 #define     PERIOD_SYXPD	0x70   /*     Synch. SCSI Xfer rate          */
    143 #define     PERIOD_SYOFS	0x0f   /*     Synch. SCSI Offset             */
    144 #define TUL_SYNCM	0x88	       /* W   Sync. Xfer Period & Offset     */
    145 #define TUL_SBID	0x89	       /* R   SCSI BUS ID		     */
    146 #define TUL_SID		0x89	       /* W   SCSI ID			     */
    147 #define TUL_SALVC	0x8A	       /* R   FIFO Avail Cnt/Identify Msg    */
    148 #define     IHA_MSG_IDENTIFY_LUNMASK 0x07
    149 #define TUL_STIMO	0x8A	       /* W   Sel/Resel Time Out Register    */
    150 #define     STIMO_250MS	153	       /*     in units of 1.6385us           */
    151 #define TUL_SDATI	0x8B	       /* R   SCSI Bus contents		     */
    152 #define TUL_SDAT0	0x8B	       /* W   SCSI Data Out		     */
    153 #define TUL_SFIFO	0x8C	       /* R/W FIFO			     */
    154 #define TUL_SSIGI	0x90	       /* R   SCSI signal in		     */
    155 #define     REQ		    0x80       /*     REQ signal		     */
    156 #define     ACK		    0x40       /*     ACK signal		     */
    157 #define     BSY		    0x20       /*     BSY signal		     */
    158 #define     SEL		    0x10       /*     SEL signal		     */
    159 #define     ATN		    0x08       /*     ATN signal		     */
    160 #define     MSG		    0x04       /*     MSG signal		     */
    161 #define     CD		    0x02       /*     C/D signal		     */
    162 #define     IO		    0x01       /*     I/O signal		     */
    163 #define TUL_SSIGO	0x90	       /* W   SCSI signal out		     */
    164 #define TUL_SCMD	0x91	       /* R/W SCSI Command		     */
    165 #define     NO_OP	    0x00       /*     Place Holder for tulip_wait()  */
    166 #define     SEL_NOATN	    0x01       /*     Select w/o ATN Sequence	     */
    167 #define     XF_FIFO_OUT	    0x03       /*     FIFO Xfer Information out	     */
    168 #define     MSG_ACCEPT	    0x0F       /*     Message Accept		     */
    169 #define     SEL_ATN	    0x11       /*     Select w ATN Sequence	     */
    170 #define     SEL_ATNSTOP	    0x12       /*     Select w ATN & Stop Sequence   */
    171 #define     SELATNSTOP	    0x1E       /*     Select w ATN & Stop Sequence   */
    172 #define     SEL_ATN3	    0x31       /*     Select w ATN3 Sequence	     */
    173 #define     XF_DMA_OUT	    0x43       /*     DMA Xfer Information out	     */
    174 #define     EN_RESEL	    0x80       /*     Enable Reselection	     */
    175 #define     XF_FIFO_IN	    0x83       /*     FIFO Xfer Information in	     */
    176 #define     CMD_COMP	    0x84       /*     Command Complete Sequence	     */
    177 #define     XF_DMA_IN	    0xC3       /*     DMA Xfer Information in	     */
    178 #define TUL_STEST0	0x92	       /* R/W Test0			     */
    179 #define TUL_STEST1	0x93	       /* R/W Test1			     */
    180 
    181 /*
    182  *   Tulip (aka inic-940/950) DMA Registers
    183  */
    184 #define TUL_DXPA	0xC0	       /* R/W DMA      Xfer Physcl Addr	 0-31*/
    185 #define TUL_DXPAE	0xC4	       /* R/W DMA      Xfer Physcl Addr 32-63*/
    186 #define TUL_DCXA	0xC8	       /* R   DMA Curr Xfer Physcl Addr	 0-31*/
    187 #define TUL_DCXAE	0xCC	       /* R   DMA Curr Xfer Physcl Addr 32-63*/
    188 #define TUL_DXC		0xD0	       /* R/W DMA Xfer Counter		     */
    189 #define TUL_DCXC	0xD4	       /* R   DMA Current Xfer Counter	     */
    190 #define TUL_DCMD	0xD8	       /* R/W DMA Command Register	     */
    191 #define     SGXFR	    0x80       /*     Scatter/Gather Xfer	     */
    192 #define     RSVD	    0x40       /*     Reserved - always reads as 0   */
    193 #define     XDIR	    0x20       /*     Xfer Direction 0/1 = out/in    */
    194 #define     BMTST	    0x10       /*     Bus Master Test		     */
    195 #define     CLFIFO	    0x08       /*     Clear FIFO		     */
    196 #define     ABTXFR	    0x04       /*     Abort Xfer		     */
    197 #define     FRXFR	    0x02       /*     Force Xfer		     */
    198 #define     STRXFR	    0x01       /*     Start Xfer		     */
    199 #define TUL_ISTUS0	0xDC	       /* R/W Interrupt Status Register	     */
    200 #define     DGINT	    0x80       /*     DMA Global Interrupt	     */
    201 #define     RSVRD0	    0x40       /*     Reserved			     */
    202 #define     RSVRD1	    0x20       /*     Reserved			     */
    203 #define     SCMP	    0x10       /*     SCSI Complete		     */
    204 #define     PXERR	    0x08       /*     PCI Xfer Error		     */
    205 #define     DABT	    0x04       /*     DMA Xfer Aborted		     */
    206 #define     FXCMP	    0x02       /*     Forced Xfer Complete	     */
    207 #define     XCMP	    0x01       /*     Bus Master Xfer Complete	     */
    208 #define TUL_ISTUS1	0xDD	       /* R   DMA status Register	     */
    209 #define     SCBSY	    0x08       /*     SCSI Busy			     */
    210 #define     FFULL	    0x04       /*     FIFO Full			     */
    211 #define     FEMPT	    0x02       /*     FIFO Empty		     */
    212 #define     XPEND	    0x01       /*     Xfer pending		     */
    213 #define TUL_IMSK	0xE0	       /* R/W Interrupt Mask Register	     */
    214 #define     MSCMP	    0x10       /*     Mask SCSI Complete	     */
    215 #define     MPXFER	    0x08       /*     Mask PCI Xfer Error	     */
    216 #define     MDABT	    0x04       /*     Mask Bus Master Abort	     */
    217 #define     MFCMP	    0x02       /*     Mask Force Xfer Complete	     */
    218 #define     MXCMP	    0x01       /*     Mask Bus Master Xfer Complete  */
    219 #define     MASK_ALL	    (MXCMP | MFCMP | MDABT | MPXFER | MSCMP)
    220 #define TUL_DCTRL0	0xE4	       /* R/W DMA Control Register	     */
    221 #define     SXSTP	    0x80       /*     SCSI Xfer Stop		     */
    222 #define     RPMOD	    0x40       /*     Reset PCI Module		     */
    223 #define     RSVRD2	    0x20       /*     SCSI Xfer Stop		     */
    224 #define     PWDWN	    0x10       /*     Power Down		     */
    225 #define     ENTM	    0x08       /*     Enable SCSI Terminator Low     */
    226 #define     ENTMW	    0x04       /*     Enable SCSI Terminator High    */
    227 #define     DISAFC	    0x02       /*     Disable Auto Clear	     */
    228 #define     LEDCTL	    0x01       /*     LED Control		     */
    229 #define TUL_DCTRL1	0xE5	       /* R/W DMA Control Register 1	     */
    230 #define     SDWS	    0x01       /*     SCSI DMA Wait State	     */
    231 #define TUL_DFIFO	0xE8	       /* R/W DMA FIFO			     */
    232 
    233 #define TUL_WCTRL	0xF7	       /* ?/? Bus master wait state control  */
    234 #define TUL_DCTRL	0xFB	       /* ?/? DMA delay control		     */
    235