207 lines
5.8 KiB
C
207 lines
5.8 KiB
C
/* $OpenBSD: i82365_isapnp.c,v 1.11 2022/04/06 18:59:28 naddy Exp $ */
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/* $NetBSD: i82365_isapnp.c,v 1.8 2000/02/23 17:22:11 soren Exp $ */
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/*
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* Copyright (c) 1998 Bill Sommerfeld. All rights reserved.
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* Copyright (c) 1997 Marc Horowitz. 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 Marc Horowitz.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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/kernel.h>
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#include <sys/device.h>
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#include <sys/extent.h>
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#include <sys/malloc.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/isa/isareg.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/isapnpreg.h>
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#include <dev/pcmcia/pcmciareg.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <dev/pcmcia/pcmciachip.h>
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#include <dev/ic/i82365reg.h>
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#include <dev/ic/i82365var.h>
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#include <dev/isa/i82365_isavar.h>
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#undef DPRINTF
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#ifdef PCICISADEBUG
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int pcicisapnp_debug = 0 /* XXX */ ;
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#define DPRINTF(arg) if (pcicisapnp_debug) printf arg;
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#else
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#define DPRINTF(arg)
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#endif
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int pcic_isapnp_match(struct device *, void *, void *);
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void pcic_isapnp_attach(struct device *, struct device *, void *);
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const struct cfattach pcic_isapnp_ca = {
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sizeof(struct pcic_softc), pcic_isapnp_match, pcic_isapnp_attach
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};
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static struct pcmcia_chip_functions pcic_isa_functions = {
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pcic_chip_mem_alloc,
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pcic_chip_mem_free,
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pcic_chip_mem_map,
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pcic_chip_mem_unmap,
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pcic_chip_io_alloc,
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pcic_chip_io_free,
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pcic_chip_io_map,
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pcic_chip_io_unmap,
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pcic_isa_chip_intr_establish,
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pcic_isa_chip_intr_disestablish,
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pcic_isa_chip_intr_string,
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pcic_chip_socket_enable,
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pcic_chip_socket_disable,
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};
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int
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pcic_isapnp_match(struct device *parent, void *match, void *aux)
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{
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return (1);
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}
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void
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pcic_isapnp_attach(struct device *parent, struct device *self, void *aux)
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{
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struct pcic_softc *sc = (void *) self;
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struct pcic_handle *h;
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struct isa_attach_args *ipa = aux;
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isa_chipset_tag_t ic = ipa->ia_ic;
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bus_space_tag_t iot = ipa->ia_iot;
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bus_space_tag_t memt = ipa->ia_memt;
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bus_space_handle_t ioh;
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bus_space_handle_t memh;
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int tmp1, i;
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printf("\n");
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if (isapnp_config(iot, memt, ipa)) {
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printf("%s: error in region allocation\n", sc->dev.dv_xname);
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return;
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}
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printf("%s: %s %s", sc->dev.dv_xname, ipa->ipa_devident,
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ipa->ipa_devclass);
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/* sanity check that we get at least one hunk of IO space.. */
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if (ipa->ipa_nio < 1) {
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printf("%s: failed to get one chunk of i/o space\n",
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sc->dev.dv_xname);
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return;
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}
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/* Find i/o space. */
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ioh = ipa->ipa_io[0].h;
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/* sanity check to make sure we have a real PCIC there.. */
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bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
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tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
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printf("(ident 0x%x", tmp1);
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if (pcic_ident_ok(tmp1)) {
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printf(" OK)");
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} else {
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printf(" Not OK)\n");
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return;
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}
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if (bus_space_map(memt, ipa->ia_maddr, ipa->ia_msize, 0, &memh)) {
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printf(": can't map mem space\n");
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return;
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}
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sc->membase = ipa->ia_maddr;
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sc->subregionmask = (1 << (ipa->ia_msize / PCIC_MEM_PAGESIZE)) - 1;
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sc->intr_est = ic;
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sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions;
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sc->iot = iot;
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sc->ioh = ioh;
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sc->memt = memt;
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sc->memh = memh;
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printf("\n");
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pcic_attach(sc);
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pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base,
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ipa->ipa_io[0].length);
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pcic_attach_sockets(sc);
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/*
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* allocate an irq. it will be used by both controllers. I could
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* use two different interrupts, but interrupts are relatively
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* scarce, shareable, and for PCIC controllers, very infrequent.
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*/
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if (ipa->ipa_nirq > 0)
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sc->irq = ipa->ipa_irq[0].num;
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else
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sc->irq = IRQUNK;
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if (sc->irq == IRQUNK)
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sc->irq = pcic_intr_find(sc, IST_EDGE);
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if (sc->irq) {
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sc->ih = isa_intr_establish(ic, sc->irq, IST_EDGE, IPL_TTY,
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pcic_intr, sc, sc->dev.dv_xname);
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if (!sc->ih)
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sc->irq = 0;
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}
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if (sc->irq) {
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printf("%s: irq %d, ", sc->dev.dv_xname, sc->irq);
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/* Set up the pcic to interrupt on card detect. */
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for (i = 0; i < PCIC_NSLOTS; i++) {
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h = &sc->handle[i];
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if (h->flags & PCIC_FLAG_SOCKETP) {
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pcic_write(h, PCIC_CSC_INTR,
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(sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) |
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PCIC_CSC_INTR_CD_ENABLE);
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}
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}
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} else
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printf("%s: no irq, ", sc->dev.dv_xname);
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printf("polling enabled\n");
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if (sc->poll_established == 0) {
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timeout_set(&sc->poll_timeout, pcic_poll_intr, sc);
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timeout_add_msec(&sc->poll_timeout, 500);
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sc->poll_established = 1;
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}
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}
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