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Annotation of sys/arch/mvme68k/dev/lp.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: lp.c,v 1.10 2004/07/30 22:29:45 miod Exp $ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1995 Theo de Raadt
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            19:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            20:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            21:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            22:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            23:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            24:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            25:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            26:  */
        !            27:
        !            28: #include <sys/param.h>
        !            29: #include <sys/ioctl.h>
        !            30: #include <sys/proc.h>
        !            31: #include <sys/user.h>
        !            32: #include <sys/tty.h>
        !            33: #include <sys/uio.h>
        !            34: #include <sys/systm.h>
        !            35: #include <sys/kernel.h>
        !            36: #include <sys/syslog.h>
        !            37: #include <sys/fcntl.h>
        !            38: #include <sys/device.h>
        !            39:
        !            40: #include <machine/autoconf.h>
        !            41: #include <machine/conf.h>
        !            42: #include <machine/cpu.h>
        !            43:
        !            44: #include <mvme68k/dev/pccreg.h>
        !            45:
        !            46: struct lpsoftc {
        !            47:        struct device   sc_dev;
        !            48:        struct intrhand sc_ih;
        !            49: };
        !            50:
        !            51: void lpattach(struct device *, struct device *, void *);
        !            52: int  lpmatch(struct device *, void *, void *);
        !            53:
        !            54: struct cfattach lp_ca = {
        !            55:        sizeof(struct lpsoftc), lpmatch, lpattach
        !            56: };
        !            57:
        !            58: struct cfdriver lp_cd = {
        !            59:        NULL, "lp", DV_DULL
        !            60: };
        !            61:
        !            62: int lpintr(void *);
        !            63:
        !            64: /*
        !            65:  * a PCC chip always has an lp attached to it.
        !            66:  */
        !            67: int
        !            68: lpmatch(parent, cf, args)
        !            69:        struct device *parent;
        !            70:        void *cf;
        !            71:        void *args;
        !            72: {
        !            73:        return (1);
        !            74: }
        !            75:
        !            76: void
        !            77: lpattach(parent, self, args)
        !            78:        struct device *parent, *self;
        !            79:        void *args;
        !            80: {
        !            81:        struct lpsoftc *sc = (struct lpsoftc *)self;
        !            82:        struct confargs *ca = args;
        !            83:
        !            84:        printf(": unsupported\n");
        !            85:
        !            86:        sc->sc_ih.ih_fn = lpintr;
        !            87:        sc->sc_ih.ih_arg = sc;
        !            88:        sc->sc_ih.ih_ipl = ca->ca_ipl;
        !            89:        pccintr_establish(PCCV_PRINTER, &sc->sc_ih, self->dv_xname);
        !            90:
        !            91:        sys_pcc->pcc_lpirq = ca->ca_ipl | PCC_IRQ_IEN | PCC_LPIRQ_ACK;
        !            92: }
        !            93:
        !            94: int
        !            95: lpintr(dev)
        !            96:        void *dev;
        !            97: {
        !            98:        return (0);
        !            99: }
        !           100:
        !           101: /*ARGSUSED*/
        !           102: int
        !           103: lpopen(dev, flag, mode, p)
        !           104:        dev_t dev;
        !           105:        int flag, mode;
        !           106:        struct proc *p;
        !           107: {
        !           108:
        !           109:        return (0);
        !           110: }
        !           111:
        !           112: /*ARGSUSED*/
        !           113: int
        !           114: lpclose(dev, flag, mode, p)
        !           115:        dev_t dev;
        !           116:        int flag, mode;
        !           117:        struct proc *p;
        !           118: {
        !           119:
        !           120:        return (0);
        !           121: }
        !           122:
        !           123: /*ARGSUSED*/
        !           124: int
        !           125: lpwrite(dev, uio, flags)
        !           126:        dev_t dev;
        !           127:        struct uio *uio;
        !           128:        int flags;
        !           129: {
        !           130:        return (EOPNOTSUPP);
        !           131: }
        !           132:
        !           133: int
        !           134: lpioctl(dev, cmd, data, flag, p)
        !           135:        dev_t dev;
        !           136:        u_long cmd;
        !           137:        caddr_t data;
        !           138:        int flag;
        !           139:        struct proc *p;
        !           140: {
        !           141:        return (EOPNOTSUPP);
        !           142: }
        !           143: