usr/src/sys/vaxuba/dmfreg.h

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *      @(#)dmfreg.h    7.2 (Berkeley) 2/19/87
 */

/*
 * DMF-32 definitions.
 */

/*
 * "dmfa" refers to the async portion of the dmf32,
 * "dmfc" to the combo portion,
 * "dmfs" to the sync portion,
 * "dmfl" to the lp portion, and
 * "dmfd" to the dr portion.
 */
struct dmfdevice {
        short   dmfccsr0;               /* combo csr 0 */
        short   dmfccsr1;               /* combo csr 1 */
        short   dmfs[4];                /* synch. device */
        struct  dmx_octet dmfa;         /* asynch portion */
        short   dmfl_ctrl;              /* line printer control register */
        short   dmfl_indrct;            /* line printer indirect register */
        short   dmfd[4];                /* for dr11 (not implemented) */
};


/* dmf line printer csr def */
#define DMFL_PEN        (1<<0)          /* print enable */
#define DMFL_RESET      (1<<1)          /* master reset */
#define DMFL_FORMAT     (1<<2)          /* format control */
#define DMFL_UNUSED     (3<<3)
#define DMFL_MAINT      (1<<5)          /* maintenance mode on */
#define DMFL_IE         (1<<6)          /* intr enable */
#define DMFL_PDONE      (1<<7)          /* print done bit */
#define DMFL_INDIR      (7<<8)          /* indirect reg */
#define DMFL_UNUSED2    (1<<11)
#define DMFL_CONV       (1<<12)         /* connect verify */
#define DMFL_DAVRDY     (1<<13)         /* davfu ready */
#define DMFL_OFFLINE    (1<<14)         /* printer offline */
#define DMFL_DMAERR     (1<<15)         /* dma error bit */
#define DMFL_BUFSIZ     512             /* max chars per dma */
#define DMFL_DEFCOLS    132             /* default # of cols/line <=255 */
#define DMFL_DEFLINES   66              /* default # of lines/page <=255 */
#define DMFL_OPTIONS    ((1 << 8) | (1 << 9) | (1 << 15))
                                /* auto cr, real ff, no lower to upper */

/*
 *  Bits in the configuration register
 */
#define DMFC_CONFMASK   0xf000          /* picks off the configuration bits */
#define DMFC_DR         0x1000          /* DR11 parallel interface */
#define DMFC_LP         0x2000          /* LP dma parallel lineprinter i'face */
#define DMFC_SYNC       0x4000          /* Synchronous serial interface */
#define DMFC_ASYNC      0x8000          /* 8 Serial ports */