Home | History | Annotate | Line # | Download | only in sableio
pckbc_sableio.c revision 1.1.2.2
      1  1.1.2.2  bouyer /* $NetBSD: pckbc_sableio.c,v 1.1.2.2 2001/01/08 14:56:11 bouyer Exp $ */
      2  1.1.2.2  bouyer 
      3  1.1.2.2  bouyer /*-
      4  1.1.2.2  bouyer  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  1.1.2.2  bouyer  * All rights reserved.
      6  1.1.2.2  bouyer  *
      7  1.1.2.2  bouyer  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1.2.2  bouyer  * by Jason R. Thorpe.
      9  1.1.2.2  bouyer  *
     10  1.1.2.2  bouyer  * Redistribution and use in source and binary forms, with or without
     11  1.1.2.2  bouyer  * modification, are permitted provided that the following conditions
     12  1.1.2.2  bouyer  * are met:
     13  1.1.2.2  bouyer  * 1. Redistributions of source code must retain the above copyright
     14  1.1.2.2  bouyer  *    notice, this list of conditions and the following disclaimer.
     15  1.1.2.2  bouyer  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1.2.2  bouyer  *    notice, this list of conditions and the following disclaimer in the
     17  1.1.2.2  bouyer  *    documentation and/or other materials provided with the distribution.
     18  1.1.2.2  bouyer  * 3. All advertising materials mentioning features or use of this software
     19  1.1.2.2  bouyer  *    must display the following acknowledgement:
     20  1.1.2.2  bouyer  *	This product includes software developed by the NetBSD
     21  1.1.2.2  bouyer  *	Foundation, Inc. and its contributors.
     22  1.1.2.2  bouyer  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.1.2.2  bouyer  *    contributors may be used to endorse or promote products derived
     24  1.1.2.2  bouyer  *    from this software without specific prior written permission.
     25  1.1.2.2  bouyer  *
     26  1.1.2.2  bouyer  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.1.2.2  bouyer  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.1.2.2  bouyer  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.1.2.2  bouyer  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.1.2.2  bouyer  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.1.2.2  bouyer  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.1.2.2  bouyer  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.1.2.2  bouyer  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.1.2.2  bouyer  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.1.2.2  bouyer  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.1.2.2  bouyer  * POSSIBILITY OF SUCH DAMAGE.
     37  1.1.2.2  bouyer  */
     38  1.1.2.2  bouyer 
     39  1.1.2.2  bouyer #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     40  1.1.2.2  bouyer 
     41  1.1.2.2  bouyer __KERNEL_RCSID(0, "$NetBSD: pckbc_sableio.c,v 1.1.2.2 2001/01/08 14:56:11 bouyer Exp $");
     42  1.1.2.2  bouyer 
     43  1.1.2.2  bouyer #include <sys/param.h>
     44  1.1.2.2  bouyer #include <sys/systm.h>
     45  1.1.2.2  bouyer #include <sys/kernel.h>
     46  1.1.2.2  bouyer #include <sys/proc.h>
     47  1.1.2.2  bouyer #include <sys/device.h>
     48  1.1.2.2  bouyer #include <sys/malloc.h>
     49  1.1.2.2  bouyer #include <sys/errno.h>
     50  1.1.2.2  bouyer #include <sys/queue.h>
     51  1.1.2.2  bouyer #include <sys/lock.h>
     52  1.1.2.2  bouyer 
     53  1.1.2.2  bouyer #include <machine/intr.h>
     54  1.1.2.2  bouyer #include <machine/bus.h>
     55  1.1.2.2  bouyer 
     56  1.1.2.2  bouyer #include <dev/ic/i8042reg.h>
     57  1.1.2.2  bouyer #include <dev/ic/pckbcvar.h>
     58  1.1.2.2  bouyer 
     59  1.1.2.2  bouyer #include <dev/pci/pcivar.h>
     60  1.1.2.2  bouyer #include <dev/isa/isavar.h>
     61  1.1.2.2  bouyer 
     62  1.1.2.2  bouyer #include <alpha/sableio/sableiovar.h>
     63  1.1.2.2  bouyer 
     64  1.1.2.2  bouyer struct pckbc_sableio_softc {
     65  1.1.2.2  bouyer 	struct	pckbc_softc sc_pckbc;	/* real "pckbc" softc */
     66  1.1.2.2  bouyer 
     67  1.1.2.2  bouyer 	/* STDIO-specific goo. */
     68  1.1.2.2  bouyer 	void	*sc_ih[PCKBC_NSLOTS];	/* interrupt handlers */
     69  1.1.2.2  bouyer 	int	sc_irq[PCKBC_NSLOTS];	/* Sable IRQs to use */
     70  1.1.2.2  bouyer 	pci_chipset_tag_t sc_pc;	/* PCI chipset for registering intrs */
     71  1.1.2.2  bouyer };
     72  1.1.2.2  bouyer 
     73  1.1.2.2  bouyer int	pckbc_sableio_match(struct device *, struct cfdata *, void *);
     74  1.1.2.2  bouyer void	pckbc_sableio_attach(struct device *, struct device *, void *);
     75  1.1.2.2  bouyer 
     76  1.1.2.2  bouyer struct cfattach pckbc_sableio_ca = {
     77  1.1.2.2  bouyer 	sizeof(struct pckbc_sableio_softc),
     78  1.1.2.2  bouyer 	    pckbc_sableio_match, pckbc_sableio_attach
     79  1.1.2.2  bouyer };
     80  1.1.2.2  bouyer 
     81  1.1.2.2  bouyer void	pckbc_sableio_intr_establish(struct pckbc_softc *, pckbc_slot_t);
     82  1.1.2.2  bouyer 
     83  1.1.2.2  bouyer int
     84  1.1.2.2  bouyer pckbc_sableio_match(struct device *parent, struct cfdata *match, void *aux)
     85  1.1.2.2  bouyer {
     86  1.1.2.2  bouyer 	struct sableio_attach_args *sa = aux;
     87  1.1.2.2  bouyer 
     88  1.1.2.2  bouyer 	/* Always present. */
     89  1.1.2.2  bouyer 	if (strcmp(sa->sa_name, match->cf_driver->cd_name) == 0)
     90  1.1.2.2  bouyer 		return (1);
     91  1.1.2.2  bouyer 
     92  1.1.2.2  bouyer 	return (0);
     93  1.1.2.2  bouyer }
     94  1.1.2.2  bouyer 
     95  1.1.2.2  bouyer void
     96  1.1.2.2  bouyer pckbc_sableio_attach(struct device *parent, struct device *self, void *aux)
     97  1.1.2.2  bouyer {
     98  1.1.2.2  bouyer 	struct pckbc_sableio_softc *ssc = (void *)self;
     99  1.1.2.2  bouyer 	struct pckbc_softc *sc = &ssc->sc_pckbc;
    100  1.1.2.2  bouyer 	struct sableio_attach_args *sa = aux;
    101  1.1.2.2  bouyer 	struct pckbc_internal *t;
    102  1.1.2.2  bouyer 	bus_space_handle_t ioh_d, ioh_c;
    103  1.1.2.2  bouyer 
    104  1.1.2.2  bouyer 	ssc->sc_pc = sa->sa_pc;
    105  1.1.2.2  bouyer 
    106  1.1.2.2  bouyer 	/*
    107  1.1.2.2  bouyer 	 * Set up IRQs.
    108  1.1.2.2  bouyer 	 */
    109  1.1.2.2  bouyer 	ssc->sc_irq[PCKBC_KBD_SLOT] = sa->sa_sableirq[0];
    110  1.1.2.2  bouyer 	ssc->sc_irq[PCKBC_AUX_SLOT] = sa->sa_sableirq[1];
    111  1.1.2.2  bouyer 
    112  1.1.2.2  bouyer 	sc->intr_establish = pckbc_sableio_intr_establish;
    113  1.1.2.2  bouyer 
    114  1.1.2.2  bouyer 	if (pckbc_is_console(sa->sa_iot, sa->sa_ioaddr)) {
    115  1.1.2.2  bouyer 		t = &pckbc_consdata;
    116  1.1.2.2  bouyer 		pckbc_console_attached = 1;
    117  1.1.2.2  bouyer 		/* t->t_cmdbyte was initialized by cnattach */
    118  1.1.2.2  bouyer 	} else {
    119  1.1.2.2  bouyer 		if (bus_space_map(sa->sa_iot, sa->sa_ioaddr + KBDATAP,
    120  1.1.2.2  bouyer 				  1, 0, &ioh_d) != 0 ||
    121  1.1.2.2  bouyer 		    bus_space_map(sa->sa_iot, sa->sa_ioaddr + KBCMDP,
    122  1.1.2.2  bouyer 				  1, 0, &ioh_c) != 0)
    123  1.1.2.2  bouyer 			panic("pckbc_sableio_attach: couldn't map");
    124  1.1.2.2  bouyer 
    125  1.1.2.2  bouyer 		t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
    126  1.1.2.2  bouyer 		bzero(t, sizeof(struct pckbc_internal));
    127  1.1.2.2  bouyer 		t->t_iot = sa->sa_iot;
    128  1.1.2.2  bouyer 		t->t_ioh_d = ioh_d;
    129  1.1.2.2  bouyer 		t->t_ioh_c = ioh_c;
    130  1.1.2.2  bouyer 		t->t_addr = sa->sa_ioaddr;
    131  1.1.2.2  bouyer 		t->t_cmdbyte = KC8_CPU; /* Enable ports */
    132  1.1.2.2  bouyer 	}
    133  1.1.2.2  bouyer 
    134  1.1.2.2  bouyer 	t->t_sc = sc;
    135  1.1.2.2  bouyer 	sc->id = t;
    136  1.1.2.2  bouyer 
    137  1.1.2.2  bouyer 	printf("\n");
    138  1.1.2.2  bouyer 
    139  1.1.2.2  bouyer 	/* Finish off the attach. */
    140  1.1.2.2  bouyer 	pckbc_attach(sc);
    141  1.1.2.2  bouyer }
    142  1.1.2.2  bouyer 
    143  1.1.2.2  bouyer void
    144  1.1.2.2  bouyer pckbc_sableio_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
    145  1.1.2.2  bouyer {
    146  1.1.2.2  bouyer 	struct pckbc_sableio_softc *ssc = (void *) sc;
    147  1.1.2.2  bouyer 	const char *intrstr;
    148  1.1.2.2  bouyer 
    149  1.1.2.2  bouyer 	intrstr = pci_intr_string(ssc->sc_pc, ssc->sc_irq[slot]);
    150  1.1.2.2  bouyer 	ssc->sc_ih[slot] = pci_intr_establish(ssc->sc_pc, ssc->sc_irq[slot],
    151  1.1.2.2  bouyer 	    IPL_TTY, pckbcintr, sc);
    152  1.1.2.2  bouyer 	if (ssc->sc_ih[slot] == NULL) {
    153  1.1.2.2  bouyer 		printf("%s: unable to establish interrupt for %s slot",
    154  1.1.2.2  bouyer 		    sc->sc_dv.dv_xname, pckbc_slot_names[slot]);
    155  1.1.2.2  bouyer 		if (intrstr != NULL)
    156  1.1.2.2  bouyer 			printf(" at %s", intrstr);
    157  1.1.2.2  bouyer 		printf("\n");
    158  1.1.2.2  bouyer 		return;
    159  1.1.2.2  bouyer 	}
    160  1.1.2.2  bouyer 	printf("%s: %s slot interrupting at %s\n", sc->sc_dv.dv_xname,
    161  1.1.2.2  bouyer 	    pckbc_slot_names[slot], intrstr);
    162  1.1.2.2  bouyer }
    163