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Annotation of sys/arch/mvme68k/dev/lp.c, Revision 1.1.1.1

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: