288 lines
7.9 KiB
C
288 lines
7.9 KiB
C
/* $NetBSD: com_pcmcia.c,v 1.3 1998/02/01 23:50:52 marc Exp $ */
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/*-
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* Copyright (c) 1993, 1994, 1995, 1996
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* Charles M. Hannum. All rights reserved.
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)com.c 7.5 (Berkeley) 5/16/91
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ioctl.h>
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#include <sys/select.h>
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#include <sys/tty.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/uio.h>
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#include <sys/kernel.h>
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#include <sys/syslog.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <machine/intr.h>
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#include <machine/bus.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <dev/pcmcia/pcmciareg.h>
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#include <dev/ic/comreg.h>
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#include <dev/ic/comvar.h>
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#include <dev/isa/isareg.h>
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#define PCMCIA_MANUFACTURER_3COM 0x101
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#define PCMCIA_PRODUCT_3COM_3C562 0x562
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#define PCMCIA_MANUFACTURER_MOTOROLA 0x109
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#define PCMCIA_PRODUCT_MOTOROLA_POWER144 0x105
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#define PCMCIA_MANUFACTURER_IBM 0xa4
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#define PCMCIA_PRODUCT_IBM_HOME_AND_AWAY 0x2e
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#ifdef __BROKEN_INDIRECT_CONFIG
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int com_pcmcia_match __P((struct device *, void *, void *));
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#else
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int com_pcmcia_match __P((struct device *, struct cfdata *, void *));
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#endif
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void com_pcmcia_attach __P((struct device *, struct device *, void *));
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void com_pcmcia_cleanup __P((void *));
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int com_pcmcia_enable __P((struct com_softc *));
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void com_pcmcia_disable __P((struct com_softc *));
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struct com_pcmcia_softc {
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struct com_softc sc_com; /* real "com" softc */
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/* PCMCIA-specific goo */
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struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
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int sc_io_window; /* our i/o window */
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struct pcmcia_function *sc_pf; /* our PCMCIA function */
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void *sc_ih; /* interrupt handler */
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};
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struct cfattach com_pcmcia_ca = {
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sizeof(struct com_pcmcia_softc), com_pcmcia_match, com_pcmcia_attach
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};
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struct com_dev {
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char *name;
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int manufacturer;
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int product;
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char *cis1_info0;
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char *cis1_info1;
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int function;
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} com_devs[] = {
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{ "3Com 3C562 Modem",
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PCMCIA_MANUFACTURER_3COM, PCMCIA_PRODUCT_3COM_3C562,
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NULL, NULL, 1 },
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{ "Motorola Power 14.4 Modem",
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PCMCIA_MANUFACTURER_MOTOROLA, PCMCIA_PRODUCT_MOTOROLA_POWER144,
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NULL, NULL, 0 },
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{ "IBM Home and Away Modem",
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PCMCIA_MANUFACTURER_IBM, PCMCIA_PRODUCT_IBM_HOME_AND_AWAY,
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NULL, NULL, 0 },
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{ "Megahertz XJ2288 Modem",
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0xffffffff, 0xffff, "MEGAHERTZ", "XJ2288", 0 },
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};
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#define com_dev_match(card, fct, n) \
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(((((com_devs[(n)].cis1_info0 == NULL) && \
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(com_devs[(n)].cis1_info1 == NULL) && \
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(com_devs[(n)].manufacturer == (card)->manufacturer) && \
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(com_devs[(n)].product == (card)->product)) || \
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((com_devs[(n)].cis1_info0) && \
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(com_devs[(n)].cis1_info1) && \
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(strcmp(com_devs[(n)].cis1_info0, (card)->cis1_info[0]) == 0) && \
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(strcmp(com_devs[(n)].cis1_info1, (card)->cis1_info[1]) == 0))) && \
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(com_devs[(n)].function == fct)) \
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?&com_devs[(n)]:NULL)
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int
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com_pcmcia_match(parent, match, aux)
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struct device *parent;
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#ifdef __BROKEN_INDIRECT_CONFIG
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void *match;
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#else
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struct cfdata *match;
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#endif
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void *aux;
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{
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struct pcmcia_attach_args *pa = aux;
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struct pcmcia_config_entry *cfe;
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int i;
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for (i=0; i<(sizeof(com_devs)/sizeof(com_devs[0])); i++) {
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if (com_dev_match(pa->card, pa->pf->number, i))
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return(1);
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}
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/* find a cfe we can use (if it matches a standard COM port) */
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for (cfe = pa->pf->cfe_head.sqh_first; cfe;
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cfe = cfe->cfe_list.sqe_next) {
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if (cfe->iospace[0].start == IO_COM1 ||
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cfe->iospace[0].start == IO_COM2 ||
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cfe->iospace[0].start == IO_COM3 ||
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cfe->iospace[0].start == IO_COM4)
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return(1);
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}
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return(0);
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}
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void
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com_pcmcia_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct com_pcmcia_softc *psc = (void *) self;
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struct com_softc *sc = &psc->sc_com;
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struct pcmcia_attach_args *pa = aux;
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struct pcmcia_config_entry *cfe;
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int i;
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struct com_dev *comdev;
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psc->sc_pf = pa->pf;
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/* find a cfe we can use */
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for (cfe = pa->pf->cfe_head.sqh_first; cfe;
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cfe = cfe->cfe_list.sqe_next) {
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if (cfe->num_memspace != 0)
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continue;
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if (cfe->num_iospace != 1)
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continue;
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if (cfe->iomask == 3) {
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if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
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cfe->iospace[0].length, &psc->sc_pcioh)) {
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continue;
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}
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} else {
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if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
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cfe->iospace[0].length, 0, &psc->sc_pcioh)) {
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continue;
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}
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}
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break;
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}
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if (!cfe) {
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printf(": can't allocate i/o space\n");
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return;
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}
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sc->sc_iot = psc->sc_pcioh.iot;
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sc->sc_ioh = psc->sc_pcioh.ioh;
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/* Enable the card. */
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pcmcia_function_init(pa->pf, cfe);
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if (com_pcmcia_enable(sc))
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printf(": function enable failed\n");
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sc->enabled = 1;
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/* map in the io space */
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if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
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PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, psc->sc_pcioh.size,
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&psc->sc_pcioh, &psc->sc_io_window)) {
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printf(": can't map i/o space\n");
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return;
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}
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sc->sc_iobase = -1;
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sc->sc_frequency = COM_FREQ;
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sc->enable = com_pcmcia_enable;
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sc->disable = com_pcmcia_disable;
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com_attach_subr(sc);
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for (i=0; i<(sizeof(com_devs)/sizeof(com_devs[0])); i++) {
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if ((comdev = com_dev_match(pa->card, pa->pf->number, i))) {
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printf(": %s\n", comdev->name);
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}
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}
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sc->enabled = 0;
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com_pcmcia_disable(sc);
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}
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int com_pcmcia_enable(struct com_softc *sc)
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{
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struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
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struct pcmcia_function *pf = psc->sc_pf;
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int ret;
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/* establish the interrupt. */
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psc->sc_ih = pcmcia_intr_establish(pf, IPL_SERIAL, comintr, sc);
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if (psc->sc_ih == NULL) {
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printf("%s: couldn't establish interrupt\n",
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sc->sc_dev.dv_xname);
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return (1);
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}
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if ((ret = pcmcia_function_enable(pf)))
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return(ret);
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if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
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int reg;
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/* turn off the ethernet-disable bit */
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reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
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if (reg & 0x08) {
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reg &= ~0x08;
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pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
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}
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}
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return(ret);
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}
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void com_pcmcia_disable(struct com_softc *sc)
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{
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struct com_pcmcia_softc *psc = (struct com_pcmcia_softc *) sc;
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pcmcia_function_disable(psc->sc_pf);
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pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
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}
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