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com_frodo.c revision 1.2.2.4
      1  1.2.2.4  skrll /*	$NetBSD: com_frodo.c,v 1.2.2.4 2004/09/18 14:34:08 skrll Exp $	*/
      2  1.2.2.2  skrll 
      3  1.2.2.2  skrll /*-
      4  1.2.2.2  skrll  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  1.2.2.2  skrll  * All rights reserved.
      6  1.2.2.2  skrll  *
      7  1.2.2.2  skrll  * This code is derived from software contributed to The NetBSD Foundation
      8  1.2.2.2  skrll  * by Charles M. Hannum.
      9  1.2.2.2  skrll  *
     10  1.2.2.2  skrll  * Redistribution and use in source and binary forms, with or without
     11  1.2.2.2  skrll  * modification, are permitted provided that the following conditions
     12  1.2.2.2  skrll  * are met:
     13  1.2.2.2  skrll  * 1. Redistributions of source code must retain the above copyright
     14  1.2.2.2  skrll  *    notice, this list of conditions and the following disclaimer.
     15  1.2.2.2  skrll  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2.2.2  skrll  *    notice, this list of conditions and the following disclaimer in the
     17  1.2.2.2  skrll  *    documentation and/or other materials provided with the distribution.
     18  1.2.2.2  skrll  * 3. All advertising materials mentioning features or use of this software
     19  1.2.2.2  skrll  *    must display the following acknowledgement:
     20  1.2.2.2  skrll  *        This product includes software developed by the NetBSD
     21  1.2.2.2  skrll  *        Foundation, Inc. and its contributors.
     22  1.2.2.2  skrll  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.2.2.2  skrll  *    contributors may be used to endorse or promote products derived
     24  1.2.2.2  skrll  *    from this software without specific prior written permission.
     25  1.2.2.2  skrll  *
     26  1.2.2.2  skrll  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.2.2.2  skrll  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.2.2.2  skrll  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.2.2.2  skrll  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.2.2.2  skrll  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.2.2.2  skrll  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.2.2.2  skrll  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.2.2.2  skrll  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.2.2.2  skrll  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.2.2.2  skrll  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.2.2.2  skrll  * POSSIBILITY OF SUCH DAMAGE.
     37  1.2.2.2  skrll  */
     38  1.2.2.2  skrll 
     39  1.2.2.2  skrll /*-
     40  1.2.2.2  skrll  * Copyright (c) 1991 The Regents of the University of California.
     41  1.2.2.2  skrll  * All rights reserved.
     42  1.2.2.2  skrll  *
     43  1.2.2.2  skrll  * Redistribution and use in source and binary forms, with or without
     44  1.2.2.2  skrll  * modification, are permitted provided that the following conditions
     45  1.2.2.2  skrll  * are met:
     46  1.2.2.2  skrll  * 1. Redistributions of source code must retain the above copyright
     47  1.2.2.2  skrll  *    notice, this list of conditions and the following disclaimer.
     48  1.2.2.2  skrll  * 2. Redistributions in binary form must reproduce the above copyright
     49  1.2.2.2  skrll  *    notice, this list of conditions and the following disclaimer in the
     50  1.2.2.2  skrll  *    documentation and/or other materials provided with the distribution.
     51  1.2.2.2  skrll  * 3. Neither the name of the University nor the names of its contributors
     52  1.2.2.2  skrll  *    may be used to endorse or promote products derived from this software
     53  1.2.2.2  skrll  *    without specific prior written permission.
     54  1.2.2.2  skrll  *
     55  1.2.2.2  skrll  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     56  1.2.2.2  skrll  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     57  1.2.2.2  skrll  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     58  1.2.2.2  skrll  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     59  1.2.2.2  skrll  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     60  1.2.2.2  skrll  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     61  1.2.2.2  skrll  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     62  1.2.2.2  skrll  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     63  1.2.2.2  skrll  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     64  1.2.2.2  skrll  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     65  1.2.2.2  skrll  * SUCH DAMAGE.
     66  1.2.2.2  skrll  *
     67  1.2.2.2  skrll  *	@(#)com.c	7.5 (Berkeley) 5/16/91
     68  1.2.2.2  skrll  */
     69  1.2.2.2  skrll 
     70  1.2.2.2  skrll #include <sys/cdefs.h>
     71  1.2.2.4  skrll __KERNEL_RCSID(0, "$NetBSD: com_frodo.c,v 1.2.2.4 2004/09/18 14:34:08 skrll Exp $");
     72  1.2.2.2  skrll 
     73  1.2.2.2  skrll #include <sys/param.h>
     74  1.2.2.2  skrll #include <sys/systm.h>
     75  1.2.2.2  skrll #include <sys/device.h>
     76  1.2.2.2  skrll #include <sys/termios.h>
     77  1.2.2.2  skrll #include <sys/ttydefaults.h>
     78  1.2.2.2  skrll 
     79  1.2.2.2  skrll #include <machine/bus.h>
     80  1.2.2.2  skrll 
     81  1.2.2.2  skrll #include <dev/ic/comreg.h>
     82  1.2.2.2  skrll #include <dev/ic/comvar.h>
     83  1.2.2.2  skrll 
     84  1.2.2.2  skrll #include <hp300/dev/intiovar.h>
     85  1.2.2.2  skrll #include <hp300/dev/frodoreg.h>
     86  1.2.2.2  skrll #include <hp300/dev/frodovar.h>
     87  1.2.2.2  skrll #include <hp300/dev/com_frodovar.h>
     88  1.2.2.2  skrll 
     89  1.2.2.2  skrll #include "ioconf.h"
     90  1.2.2.2  skrll 
     91  1.2.2.2  skrll struct com_frodo_softc {
     92  1.2.2.2  skrll 	struct	com_softc sc_com;	/* real "com" softc */
     93  1.2.2.2  skrll };
     94  1.2.2.2  skrll 
     95  1.2.2.3  skrll static int	com_frodo_match(struct device *, struct cfdata *, void *);
     96  1.2.2.3  skrll static void	com_frodo_attach(struct device *, struct device *, void *);
     97  1.2.2.2  skrll 
     98  1.2.2.2  skrll CFATTACH_DECL(com_frodo, sizeof(struct com_frodo_softc),
     99  1.2.2.2  skrll     com_frodo_match, com_frodo_attach, NULL, NULL);
    100  1.2.2.2  skrll 
    101  1.2.2.2  skrll static int com_frodo_speed = TTYDEF_SPEED;
    102  1.2.2.2  skrll static struct bus_space_tag comcntag;
    103  1.2.2.2  skrll 
    104  1.2.2.2  skrll #define CONMODE	((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
    105  1.2.2.2  skrll #define COM_FRODO_FREQ	8006400
    106  1.2.2.2  skrll 
    107  1.2.2.3  skrll static int
    108  1.2.2.2  skrll com_frodo_match(struct device *parent, struct cfdata *match, void *aux)
    109  1.2.2.2  skrll {
    110  1.2.2.2  skrll 	struct frodo_attach_args *fa = aux;
    111  1.2.2.2  skrll 
    112  1.2.2.2  skrll 	if (strcmp(fa->fa_name, com_cd.cd_name) != 0)
    113  1.2.2.2  skrll 		return 0;
    114  1.2.2.2  skrll 
    115  1.2.2.2  skrll 	switch (fa->fa_offset) {
    116  1.2.2.2  skrll 	case FRODO_APCI_OFFSET(1):
    117  1.2.2.2  skrll 	case FRODO_APCI_OFFSET(2):
    118  1.2.2.2  skrll 	case FRODO_APCI_OFFSET(3):
    119  1.2.2.2  skrll 		return 1;
    120  1.2.2.2  skrll 	}
    121  1.2.2.2  skrll 
    122  1.2.2.2  skrll 	return 0;
    123  1.2.2.2  skrll }
    124  1.2.2.2  skrll 
    125  1.2.2.3  skrll static void
    126  1.2.2.2  skrll com_frodo_attach(struct device *parent, struct device *self, void *aux)
    127  1.2.2.2  skrll {
    128  1.2.2.2  skrll 	struct com_frodo_softc *fsc = (void *)self;
    129  1.2.2.2  skrll 	struct com_softc *sc = &fsc->sc_com;
    130  1.2.2.2  skrll 	struct frodo_attach_args *fa = aux;
    131  1.2.2.2  skrll 	bus_space_tag_t iot;
    132  1.2.2.2  skrll 	bus_space_handle_t ioh;
    133  1.2.2.2  skrll 	int isconsole;
    134  1.2.2.2  skrll 
    135  1.2.2.2  skrll 	isconsole = com_is_console(&comcntag, fa->fa_base + fa->fa_offset,
    136  1.2.2.2  skrll 	    &ioh);
    137  1.2.2.2  skrll 
    138  1.2.2.2  skrll 	if (isconsole)
    139  1.2.2.2  skrll 		iot = &comcntag;
    140  1.2.2.2  skrll 	else
    141  1.2.2.2  skrll 		iot = fa->fa_bst;
    142  1.2.2.2  skrll 
    143  1.2.2.2  skrll 	if (!isconsole &&
    144  1.2.2.2  skrll 	    bus_space_map(iot, fa->fa_base + fa->fa_offset, COM_NPORTS << 2,
    145  1.2.2.2  skrll 	     0, &ioh)) {
    146  1.2.2.2  skrll 		printf(": can't map i/o space\n");
    147  1.2.2.2  skrll 		return;
    148  1.2.2.2  skrll 	}
    149  1.2.2.2  skrll 
    150  1.2.2.2  skrll 	sc->sc_iot = iot;
    151  1.2.2.2  skrll 	sc->sc_ioh = ioh;
    152  1.2.2.2  skrll 	sc->sc_iobase = fa->fa_base + fa->fa_offset;
    153  1.2.2.2  skrll 	sc->sc_frequency = COM_FRODO_FREQ;
    154  1.2.2.2  skrll 	SET(sc->sc_hwflags, COM_HW_NOIEN);
    155  1.2.2.2  skrll 
    156  1.2.2.2  skrll 	com_attach_subr(sc);
    157  1.2.2.2  skrll 
    158  1.2.2.2  skrll 	frodo_intr_establish(parent, comintr, sc, fa->fa_line,
    159  1.2.2.2  skrll 	    ((sc->sc_hwflags & COM_HW_FIFO) != 0) ? IPL_TTY : IPL_TTYNOBUF);
    160  1.2.2.2  skrll }
    161  1.2.2.2  skrll 
    162  1.2.2.2  skrll int
    163  1.2.2.2  skrll com_frodo_cnattach(bus_space_tag_t bst, bus_addr_t addr, int scode)
    164  1.2.2.2  skrll {
    165  1.2.2.2  skrll 	bus_space_tag_t iot = &comcntag;
    166  1.2.2.2  skrll 	bus_space_handle_t ioh;
    167  1.2.2.2  skrll 
    168  1.2.2.2  skrll 	if (machineid != HP_425 || mmuid != MMUID_425_E)
    169  1.2.2.2  skrll 		return 1;
    170  1.2.2.2  skrll 
    171  1.2.2.2  skrll 	frodo_init_bus_space(iot);
    172  1.2.2.2  skrll 
    173  1.2.2.2  skrll 	if (bus_space_map(iot, addr, INTIO_DEVSIZE, BUS_SPACE_MAP_LINEAR, &ioh))
    174  1.2.2.2  skrll 		return 1;
    175  1.2.2.2  skrll 
    176  1.2.2.2  skrll 	comcnattach(iot, addr, com_frodo_speed, COM_FRODO_FREQ,
    177  1.2.2.2  skrll 	    COM_TYPE_NORMAL, CONMODE);
    178  1.2.2.2  skrll 
    179  1.2.2.2  skrll 	return 0;
    180  1.2.2.2  skrll }
    181