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- /*
- * Copyright (c) 1988 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Computer Consoles Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)drreg.h 7.3 (Berkeley) 6/28/90
- */
-
- /*
- ------------------------------------------
- Must include <h/types.h> and <h/buf.h>
- ------------------------------------------
- */
-
- #define DRINTV 0x9c /* Has to match with ml/scb.s */
- #define DRADDMOD 0x01 /* Addr modifier used to access TAHOE memory */
- #define DR_ZERO 0
- #define DRPRI (PZERO+1)
-
- #define DR_TICK 600 /* Default # of clock ticks between call
- to local timer watchdog routine */
- #define DR_TOCK 2 /* default # of calls to local watch dog
- before an IO or wait is determined to
- have timeout */
-
-
- struct rsdevice {
- ushort dr_cstat; /* Control & status registers */
- ushort dr_data; /* Input/Ouptut data registers */
- char dr_addmod; /* Address modifier for DMA */
- char dr_intvect; /* Interrupt vector */
- ushort dr_pulse; /* Pulse command register */
- ushort dr_xx08; /* Not used */
- ushort dr_xx0A; /* Not used */
- ushort dr_xx0C; /* Not used */
- ushort dr_xx0E; /* Not used */
- ushort dr_xx10; /* Not used */
- ushort dr_walo; /* Low DMA address register --when written-- */
- ushort dr_range; /* DMA range counter */
- ushort dr_ralo; /* Low DMA address register --when read-- */
- ushort dr_xx18; /* Not used */
- ushort dr_wahi; /* High DMA address register --when written-- */
- ushort dr_xx1C; /* Not used */
- ushort dr_rahi; /* High DMA address register --when read-- */
- };
-
-
- struct dr_aux {
- struct rsdevice *dr_addr; /* Physical addr of currently active DR11 */
- struct buf *dr_actf; /* Pointers to DR11's active buffers list */
- unsigned int dr_flags; /* State: Hold open, active,... */
- ushort dr_cmd; /* Hold cmd placed here by ioctl
- for later execution by rsstrategy() */
- ushort dr_op; /* Current operation: DR_READ/DR_WRITE */
- long dr_bycnt; /* Total byte cnt of current operation */
- /* decremented by completion interrupt */
- caddr_t dr_oba; /* original xfer addr, count */
- long dr_obc;
- unsigned long
- rtimoticks, /* No of ticks before timing out on no stall
- read */
- wtimoticks, /* No of ticks before timing out on no stall
- write */
- currenttimo; /* the number of current timeout call to
- omrwtimo() */
- ushort dr_istat; /* Latest interrupt status */
- struct buf dr_buf;
-
- /*ushort dr_time; /* # of ticks until timeout */
- /*ushort dr_tock; /* # of ticks accumulated */
- /*ushort dr_cseq; /* Current sequence number */
- /*ushort dr_lseq; /* Last sequence number */
- };
-
- /* Command used by drioctl()
- */
- struct dr11io {
- ushort arg[8];
- };
-
- #define RSADDR(unit) ((struct rsdevice *)drinfo[unit]->ui_addr)
-
- /* Control register bits */
- #define RDMA 0x8000 /* reset DMA end-of-range flag */
- #define RATN 0x4000 /* reset attention flag */
- #define RPER 0x2000 /* reset device parity error flag */
- #define MCLR 0x1000 /* master clear board and INT device */
- #define CYCL 0x0100 /* forces DMA cycle if DMA enabled */
- #define IENB 0x0040 /* enables interrupt */
- #define FCN3 0x0008 /* func. bit 3 to device (FNCT3 H) */
- #define FCN2 0x0004 /* func. bit 2 to device (FNCT2 H) */
- /* also asserts ACLO FCNT2 H to device */
- #define FCN1 0x0002 /* func. bit 1 to device (FNCT1 H) */
- #define GO 0x0001 /* enable DMA and pulse GO to device */
-
- /* Status register bits */
- #define DMAF 0x8000 /* indicates DMA end-of-range */
- #define ATTF 0x4000 /* indicates attention false-to-true */
- #define ATTN 0x2000 /* current state of ATTENTION H input */
- #define PERR 0x1000 /* Set by external parity error */
- #define STTA 0x0800 /* STATUS A H input state */
- #define STTB 0x0400 /* STATUS B H input state */
- #define STTC 0x0200 /* STATUS C H input state */
- #define REDY 0x0080 /* board ready for cmd (dma not on) */
- #define IENF 0x0040 /* Interrupt enabled if on */
- #define BERR 0x0020 /* Set if bus error during DMA */
- #define TERR 0x0010 /* Set if bus timeout during DMA */
- #define FC3S 0x0008 /* State of FCN3 latch */
- #define FC2S 0x0004 /* State of FCN2 latch */
- #define FC1S 0x0002 /* State of FCN1 latch */
- #define DLFG 0x0001 /* 0 -> IKON-10083 *** 1 -> IKON-10077 */
-
- /* Pulse command register bits */
- #define SMSK 0x0040 /* pulse interrupt mask on: Set IENB */
- #define RMSK 0x0020 /* pulse interrupt mask off: Reset IENB */
-
-
- /*
- * DR11 driver's internal flags -- to be stored in dr_flags
- */
- #define DR_FMSK 0x0000E /* function bits mask */
- #define DR_OPEN 0x00001 /* This dr11 has been opened */
- #define DR_PRES 0x00002 /* This dr11 is present */
- #define DR_ACTV 0x00004 /* waiting for end-of-range */
- #define DR_ATWT 0x00008 /* waiting for attention interrupt */
- #define DR_ATRX 0x00010 /* attn received-resets when read */
- #define DR_TMDM 0x00020 /* timeout waiting for end-of-range */
- #define DR_TMAT 0x00040 /* timeout waiting for attention */
- #define DR_DMAX 0x00080 /* end-of-range interrupt received */
- #define DR_PCYL 0x00100 /* set cycle with next go */
- #define DR_DFCN 0x00200 /* donot update function bits until next go */
- #define DR_DACL 0x00400 /* defer alco pulse until go */
- #define DR_LOOPTST 0x02000 /* This dr11 is in loopback test mode */
- #define DR_LNKMODE 0x04000 /* This dr11 is in link mode */
- #define DR_NORSTALL 0x10000 /* Device is set to no stall mode for reads. */
- #define DR_NOWSTALL 0x20000 /* Device is set to no stall mode for writes. */
- #define DR_TIMEDOUT 0x40000 /* The device timed out on a stall mode R/W */
-
- /*
- * DR11 driver's internal flags -- to be stored in dr_op
- */
- #define DR_READ FCN1
- #define DR_WRITE 0
-
- /*
- * Ioctl commands
- */
- #define DRWAIT _IOWR('d',1,long)
- #define DRPIOW _IOWR('d',2,long)
- #define DRPACL _IOWR('d',3,long)
- #define DRDACL _IOWR('d',4,long)
- #define DRPCYL _IOWR('d',5,long)
- #define DRDFCN _IOWR('d',6,long)
- #define DRRPER _IOWR('d',7,long)
- #define DRRATN _IOWR('d',8,long)
- #define DRRDMA _IOWR('d',9,long)
- #define DRSFCN _IOWR('d',10,long)
-
- #define DRSETRSTALL _IOWR('d',13,long)
- #define DRSETNORSTALL _IOWR('d',14,long)
- #define DRGETRSTALL _IOWR('d',15,long)
- #define DRSETRTIMEOUT _IOWR('d',16,long)
- #define DRGETRTIMEOUT _IOWR('d',17,long)
- #define DRSETWSTALL _IOWR('d',18,long)
- #define DRSETNOWSTALL _IOWR('d',19,long)
- #define DRGETWSTALL _IOWR('d',20,long)
- #define DRSETWTIMEOUT _IOWR('d',21,long)
- #define DRGETWTIMEOUT _IOWR('d',22,long)
- #define DRWRITEREADY _IOWR('d',23,long)
- #define DRREADREADY _IOWR('d',24,long)
- #define DRBUSY _IOWR('d',25,long)
- #define DRRESET _IOWR('d',26,long)
-
- /* The block size for buffering and DMA transfers. */
- /* OM_BLOCKSIZE must be even and <= 32768. Multiples of 512 are prefered. */
- #define OM_BLOCKSIZE 32768
-
-
- /* --- Define ioctl call used by dr11 utility device -- */
-
- #define DR11STAT _IOWR('d',30,struct dr11io) /* Get status dr11, unit
- number is dr11io.arg[0] */
- #define DR11LOOP _IOR('d',31,struct dr11io) /* Perform loopback test */
-
- /* ---------------------------------------------------- */
-
-