Return to com_dino.c CVS log

Up to [local] / sys / arch / hppa / dev

Annotation of sys/arch/hppa/dev/com_dino.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: com_dino.c,v 1.4 2007/07/15 19:25:49 kettenis Exp $   */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2004 Michael Shalayeff
        !             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 OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
        !            20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            22:  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
        !            25:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
        !            26:  * THE POSSIBILITY OF SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: #include <sys/param.h>
        !            30: #include <sys/systm.h>
        !            31: #include <sys/device.h>
        !            32: #include <sys/tty.h>
        !            33:
        !            34: #include <machine/bus.h>
        !            35: #include <machine/intr.h>
        !            36: #include <machine/iomod.h>
        !            37: #include <machine/autoconf.h>
        !            38:
        !            39: #include <dev/ic/comreg.h>
        !            40: #include <dev/ic/comvar.h>
        !            41:
        !            42: #include <hppa/dev/cpudevs.h>
        !            43:
        !            44: void *dino_intr_establish(void *sc, int irq, int pri,
        !            45:     int (*handler)(void *v), void *arg, const char *name);
        !            46:
        !            47: #define        COM_DINO_FREQ   7272700
        !            48:
        !            49: struct com_dino_regs {
        !            50:        u_int8_t        reset;
        !            51:        u_int8_t        pad0[3];
        !            52:        u_int8_t        test;
        !            53: #define        COM_DINO_PAR_LOOP       0x01
        !            54: #define        COM_DINO_CLK_SEL        0x02
        !            55:        u_int8_t        pad1[3];
        !            56:        u_int32_t       iodc;
        !            57:        u_int8_t        pad2[0x54];
        !            58:        u_int8_t        dither;
        !            59: };
        !            60:
        !            61: int    com_dino_match(struct device *, void *, void *);
        !            62: void   com_dino_attach(struct device *, struct device *, void *);
        !            63:
        !            64: struct cfattach com_dino_ca = {
        !            65:        sizeof(struct com_softc), com_dino_match, com_dino_attach
        !            66: };
        !            67:
        !            68: int
        !            69: com_dino_match(parent, match, aux)
        !            70:        struct device *parent;
        !            71:        void *match, *aux;
        !            72: {
        !            73:        struct confargs *ca = aux;
        !            74:
        !            75:        if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
        !            76:            ca->ca_type.iodc_sv_model != HPPA_FIO_GRS232)
        !            77:                return (0);
        !            78:
        !            79:        return (1);
        !            80:        /* HOZER comprobe1(ca->ca_iot, ca->ca_hpa + IOMOD_DEVOFFSET); */
        !            81: }
        !            82:
        !            83: void
        !            84: com_dino_attach(parent, self, aux)
        !            85:        struct device *parent, *self;
        !            86:        void *aux;
        !            87: {
        !            88:        struct com_softc *sc = (void *)self;
        !            89:        struct confargs *ca = aux;
        !            90:        struct com_dino_regs *regs = (struct com_dino_regs *)ca->ca_hpa;
        !            91:
        !            92:        sc->sc_iot = ca->ca_iot;
        !            93:        sc->sc_iobase = (bus_addr_t)ca->ca_hpa + IOMOD_DEVOFFSET;
        !            94:
        !            95:        if (bus_space_map(sc->sc_iot, sc->sc_iobase, COM_NPORTS,
        !            96:            0, &sc->sc_ioh)) {
        !            97:                printf(": cannot map io space\n");
        !            98:                return;
        !            99:        }
        !           100:
        !           101:        if (PAGE0->mem_cons.pz_class == PCL_DUPLEX &&
        !           102:            PAGE0->mem_cons.pz_hpa == ca->ca_hpa) {
        !           103:                bus_space_unmap(sc->sc_iot, sc->sc_ioh, COM_NPORTS);
        !           104:                comcnattach(sc->sc_iot, sc->sc_iobase, comdefaultrate,
        !           105:                    COM_DINO_FREQ, comconscflag);
        !           106:        }
        !           107:
        !           108:        /* select clock freq */
        !           109:        regs->test = COM_DINO_CLK_SEL;
        !           110:        sc->sc_frequency = COM_DINO_FREQ;
        !           111:
        !           112:        com_attach_subr(sc);
        !           113:
        !           114:        sc->sc_ih = dino_intr_establish(parent, ca->ca_irq, IPL_TTY,
        !           115:            comintr, sc, sc->sc_dev.dv_xname);
        !           116: }