Annotation of sys/dev/isa/i82365_isapnp.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: i82365_isapnp.c,v 1.6 2005/01/27 17:03:23 millert Exp $ */
! 2: /* $NetBSD: i82365_isapnp.c,v 1.8 2000/02/23 17:22:11 soren Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1998 Bill Sommerfeld. All rights reserved.
! 6: * Copyright (c) 1997 Marc Horowitz. All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. All advertising materials mentioning features or use of this software
! 17: * must display the following acknowledgement:
! 18: * This product includes software developed by Marc Horowitz.
! 19: * 4. The name of the author may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 32: */
! 33:
! 34:
! 35: #include <sys/types.h>
! 36: #include <sys/param.h>
! 37: #include <sys/systm.h>
! 38: #include <sys/kernel.h>
! 39: #include <sys/device.h>
! 40: #include <sys/extent.h>
! 41: #include <sys/malloc.h>
! 42:
! 43: #include <machine/bus.h>
! 44: #include <machine/intr.h>
! 45:
! 46: #include <dev/isa/isareg.h>
! 47: #include <dev/isa/isavar.h>
! 48:
! 49: #include <dev/isa/isapnpreg.h>
! 50:
! 51: #include <dev/pcmcia/pcmciareg.h>
! 52: #include <dev/pcmcia/pcmciavar.h>
! 53: #include <dev/pcmcia/pcmciachip.h>
! 54:
! 55: #include <dev/ic/i82365reg.h>
! 56: #include <dev/ic/i82365var.h>
! 57: #include <dev/isa/i82365_isavar.h>
! 58:
! 59: #undef DPRINTF
! 60: #ifdef PCICISADEBUG
! 61: int pcicisapnp_debug = 0 /* XXX */ ;
! 62: #define DPRINTF(arg) if (pcicisapnp_debug) printf arg;
! 63: #else
! 64: #define DPRINTF(arg)
! 65: #endif
! 66:
! 67: int pcic_isapnp_match(struct device *, void *, void *);
! 68: void pcic_isapnp_attach(struct device *, struct device *, void *);
! 69:
! 70: struct cfattach pcic_isapnp_ca = {
! 71: sizeof(struct pcic_softc), pcic_isapnp_match, pcic_isapnp_attach
! 72: };
! 73:
! 74: static struct pcmcia_chip_functions pcic_isa_functions = {
! 75: pcic_chip_mem_alloc,
! 76: pcic_chip_mem_free,
! 77: pcic_chip_mem_map,
! 78: pcic_chip_mem_unmap,
! 79:
! 80: pcic_chip_io_alloc,
! 81: pcic_chip_io_free,
! 82: pcic_chip_io_map,
! 83: pcic_chip_io_unmap,
! 84:
! 85: pcic_isa_chip_intr_establish,
! 86: pcic_isa_chip_intr_disestablish,
! 87: pcic_isa_chip_intr_string,
! 88:
! 89: pcic_chip_socket_enable,
! 90: pcic_chip_socket_disable,
! 91: };
! 92:
! 93: int
! 94: pcic_isapnp_match(parent, match, aux)
! 95: struct device *parent;
! 96: void *match;
! 97: void *aux;
! 98: {
! 99: return (1);
! 100: }
! 101:
! 102: void
! 103: pcic_isapnp_attach(parent, self, aux)
! 104: struct device *parent, *self;
! 105: void *aux;
! 106: {
! 107: struct pcic_softc *sc = (void *) self;
! 108: struct pcic_handle *h;
! 109: struct isa_attach_args *ipa = aux;
! 110: isa_chipset_tag_t ic = ipa->ia_ic;
! 111: bus_space_tag_t iot = ipa->ia_iot;
! 112: bus_space_tag_t memt = ipa->ia_memt;
! 113: bus_space_handle_t ioh;
! 114: bus_space_handle_t memh;
! 115: int tmp1, i;
! 116:
! 117: printf("\n");
! 118:
! 119: if (isapnp_config(iot, memt, ipa)) {
! 120: printf("%s: error in region allocation\n", sc->dev.dv_xname);
! 121: return;
! 122: }
! 123:
! 124: printf("%s: %s %s", sc->dev.dv_xname, ipa->ipa_devident,
! 125: ipa->ipa_devclass);
! 126:
! 127: /* sanity check that we get at least one hunk of IO space.. */
! 128: if (ipa->ipa_nio < 1) {
! 129: printf("%s: failed to get one chunk of i/o space\n",
! 130: sc->dev.dv_xname);
! 131: return;
! 132: }
! 133:
! 134: /* Find i/o space. */
! 135: ioh = ipa->ipa_io[0].h;
! 136:
! 137: /* sanity check to make sure we have a real PCIC there.. */
! 138: bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
! 139: tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
! 140: printf("(ident 0x%x", tmp1);
! 141: if (pcic_ident_ok(tmp1)) {
! 142: printf(" OK)");
! 143: } else {
! 144: printf(" Not OK)\n");
! 145: return;
! 146: }
! 147:
! 148: if (bus_space_map(memt, ipa->ia_maddr, ipa->ia_msize, 0, &memh)) {
! 149: printf(": can't map mem space\n");
! 150: return;
! 151: }
! 152:
! 153: sc->membase = ipa->ia_maddr;
! 154: sc->subregionmask = (1 << (ipa->ia_msize / PCIC_MEM_PAGESIZE)) - 1;
! 155:
! 156: sc->intr_est = ic;
! 157: sc->pct = (pcmcia_chipset_tag_t) & pcic_isa_functions;
! 158:
! 159: sc->iot = iot;
! 160: sc->ioh = ioh;
! 161: sc->memt = memt;
! 162: sc->memh = memh;
! 163:
! 164: printf("\n");
! 165:
! 166: pcic_attach(sc);
! 167: pcic_isa_bus_width_probe(sc, iot, ioh, ipa->ipa_io[0].base,
! 168: ipa->ipa_io[0].length);
! 169: pcic_attach_sockets(sc);
! 170:
! 171: /*
! 172: * allocate an irq. it will be used by both controllers. I could
! 173: * use two different interrupts, but interrupts are relatively
! 174: * scarce, shareable, and for PCIC controllers, very infrequent.
! 175: */
! 176:
! 177: if (ipa->ipa_nirq > 0)
! 178: sc->irq = ipa->ipa_irq[0].num;
! 179: else
! 180: sc->irq = IRQUNK;
! 181:
! 182: if (sc->irq == IRQUNK)
! 183: sc->irq = pcic_intr_find(sc, IST_EDGE);
! 184:
! 185: if (sc->irq) {
! 186: sc->ih = isa_intr_establish(ic, sc->irq, IST_EDGE, IPL_TTY,
! 187: pcic_intr, sc, sc->dev.dv_xname);
! 188: if (!sc->ih)
! 189: sc->irq = 0;
! 190: }
! 191:
! 192: if (sc->irq) {
! 193: printf("%s: irq %d, ", sc->dev.dv_xname, sc->irq);
! 194:
! 195: /* Set up the pcic to interrupt on card detect. */
! 196: for (i = 0; i < PCIC_NSLOTS; i++) {
! 197: h = &sc->handle[i];
! 198: if (h->flags & PCIC_FLAG_SOCKETP) {
! 199: pcic_write(h, PCIC_CSC_INTR,
! 200: (sc->irq << PCIC_CSC_INTR_IRQ_SHIFT) |
! 201: PCIC_CSC_INTR_CD_ENABLE);
! 202: powerhook_establish(pcic_power, h);
! 203: }
! 204: }
! 205: } else
! 206: printf("%s: no irq, ", sc->dev.dv_xname);
! 207:
! 208: printf("polling enabled\n");
! 209: if (sc->poll_established == 0) {
! 210: timeout_set(&sc->poll_timeout, pcic_poll_intr, sc);
! 211: timeout_add(&sc->poll_timeout, hz / 2);
! 212: sc->poll_established = 1;
! 213: }
! 214: }
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