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Annotation of sys/arch/vax/qbus/dzvar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: dzvar.h,v 1.6 2004/07/07 23:10:46 deraadt Exp $       */
                      2: /*     $NetBSD: dzvar.h,v 1.8 2000/06/04 02:14:12 matt Exp $   */
                      3: /*
                      4:  * Copyright (c) 1996  Ken C. Wellsch.  All rights reserved.
                      5:  * Copyright (c) 1992, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to Berkeley by
                      9:  * Ralph Campbell and Rick Macklem.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  * 3. Neither the name of the University nor the names of its contributors
                     20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
                     35:
                     36: /* A DZ-11 has 8 ports while a DZV/DZQ-11 has only 4. We use 8 by default */
                     37:
                     38: #define        NDZLINE         8
                     39:
                     40: #define        DZ_DZ           8
                     41: #define        DZ_DZV          4
                     42: #define        DZ_DC           4
                     43:
                     44: #define DZ_C2I(c)      ((c)<<3)        /* convert controller # to index */
                     45: #define DZ_I2C(c)      ((c)>>3)        /* convert minor to controller # */
                     46: #define DZ_PORT(u)     ((u)&07)        /* extract the port # */
                     47:
                     48: struct dz_softc {
                     49:        struct  device  sc_dev;         /* Autoconf blaha */
                     50:        struct  evcount sc_rintrcnt;    /* recevive interrupt counts */
                     51:        struct  evcount sc_tintrcnt;    /* transmit interrupt counts */
                     52:        int     sc_rcvec, sc_tcvec;
                     53:        struct  dz_regs sc_dr;          /* reg pointers */
                     54:        bus_space_tag_t sc_iot;
                     55:        bus_space_handle_t sc_ioh;
                     56:        int             sc_type;        /* DZ11 or DZV11? */
                     57:        int             sc_rxint;       /* Receive interrupt count XXX */
                     58:        int             sc_openings;    /* # of times we've been opened */
                     59:        u_char          sc_brk;         /* Break asserted on some lines */
                     60:        u_char          sc_dsr;         /* DSR set bits if no mdm ctrl */
                     61:        struct dz_linestate {
                     62:                struct dz_softc *dz_sc;         /* backpointer to softc */
                     63:                int             dz_line;        /* sub-driver unit number */
                     64:                void            *dz_private;    /* sub-driver data pointer */
                     65:                int             (*dz_catch)(void *, int); /* Fast catch recv */
                     66:                struct  tty *   dz_tty;         /* what we work on */
                     67: #ifdef notyet
                     68:                caddr_t         dz_mem;         /* pointers to clist output */
                     69:                caddr_t         dz_end;         /*   allowing pdma action */
                     70: #endif
                     71:        } sc_dz[NDZLINE];
                     72: };
                     73:
                     74: void   dzattach(struct dz_softc *);
                     75: void   dzrint(void *);
                     76: void   dzxint(void *);
                     77: void   dzreset(struct device *);