/* $NetBSD: i82365_isasubr.c,v 1.3 1999/10/15 06:07:27 haya Exp $ */ /* $NetBSD: i82365_isa.c,v 1.11 1998/06/09 07:25:00 thorpej Exp $ */ /* $FreeBSD$ */ /* * Copyright (c) 1998 Bill Sommerfeld. All rights reserved. * Copyright (c) 1997 Marc Horowitz. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Marc Horowitz. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "power_if.h" #include "card_if.h" /***************************************************************************** * Configurable parameters. *****************************************************************************/ /* * Default I/O allocation range. If both are set to non-zero, these * values will be used instead. Otherwise, the code attempts to probe * the bus width. Systems with 10 address bits should use 0x300 and 0xff. * Systems with 12 address bits (most) should use 0x400 and 0xbff. */ #ifndef PCIC_ISA_ALLOC_IOBASE #define PCIC_ISA_ALLOC_IOBASE 0 #endif #ifndef PCIC_ISA_ALLOC_IOSIZE #define PCIC_ISA_ALLOC_IOSIZE 0 #endif int pcic_isa_alloc_iobase = PCIC_ISA_ALLOC_IOBASE; int pcic_isa_alloc_iosize = PCIC_ISA_ALLOC_IOSIZE; /* * Default IRQ allocation bitmask. This defines the range of allowable * IRQs for PCCARD slots. Useful if order of probing would screw up other * devices, or if PCIC hardware/cards have trouble with certain interrupt * lines. * * We disable IRQ 10 by default, since some common laptops (namely, the * NEC Versa series) reserve IRQ 10 for the docking station SCSI interface. */ #ifndef PCIC_ISA_INTR_ALLOC_MASK #define PCIC_ISA_INTR_ALLOC_MASK 0xfbff #endif int pcic_isa_intr_alloc_mask = PCIC_ISA_INTR_ALLOC_MASK; /***************************************************************************** * End of configurable parameters. *****************************************************************************/ #define PCICISADEBUG 1 #ifdef PCICISADEBUG int pcicisa_debug = PCICISADEBUG; #define DPRINTF(arg) if (pcicisa_debug) printf arg; #define DEVPRINTF(arg) if (pcicisa_debug) device_printf arg; #else #define DPRINTF(arg) #define DEVPRINTF(arg) #endif static struct isa_pnp_id pcic_ids[] = { {PCIC_PNP_82365, NULL}, /* PNP0E00 */ {PCIC_PNP_CL_PD6720, NULL}, /* PNP0E01 */ {PCIC_PNP_VLSI_82C146, NULL}, /* PNP0E02 */ {PCIC_PNP_82365_CARDBUS, NULL}, /* PNP0E03 */ {PCIC_PNP_ACTIONTEC, NULL}, /* AEI0218 */ {0} }; static void pcic_isa_bus_width_probe (device_t dev) { struct pcic_softc *sc = PCIC_SOFTC(dev); bus_space_handle_t ioh_high; int i, iobuswidth, tmp1, tmp2; int rid; u_long base; u_int32_t length; bus_space_tag_t iot; bus_space_handle_t ioh; struct resource *r; base = rman_get_start(sc->port_res); length = rman_get_end(sc->port_res) - rman_get_end(sc->port_res) + 1; iot = sc->iot; ioh = sc->ioh; /* * figure out how wide the isa bus is. Do this by checking if the * pcic controller is mirrored 0x400 above where we expect it to be. */ iobuswidth = 12; rid = 1; r = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, base + 0x400, base + 0x400 + length, length, RF_ACTIVE); if (!r) { printf("Can't allocated mirror area for pcic bus width probe\n"); return; } ioh_high = rman_get_bushandle(r); for (i = 0; i < PCIC_NSLOTS; i++) { if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) { /* * read the ident flags from the normal space and * from the mirror, and compare them */ bus_space_write_1(iot, ioh, PCIC_REG_INDEX, sc->handle[i].sock + PCIC_IDENT); tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA); bus_space_write_1(iot, ioh_high, PCIC_REG_INDEX, sc->handle[i].sock + PCIC_IDENT); tmp2 = bus_space_read_1(iot, ioh_high, PCIC_REG_DATA); if (tmp1 == tmp2) iobuswidth = 10; } } bus_release_resource(dev, SYS_RES_IOPORT, rid, r); /* * XXX mycroft recommends I/O space range 0x400-0xfff . I should put * this in a header somewhere */ /* * XXX some hardware doesn't seem to grok addresses in 0x400 range-- * apparently missing a bit or more of address lines. (e.g. * CIRRUS_PD672X with Linksys EthernetCard ne2000 clone in TI * TravelMate 5000--not clear which is at fault) * * Add a kludge to detect 10 bit wide buses and deal with them, * and also a config file option to override the probe. */ if (iobuswidth == 10) { sc->iobase = 0x300; sc->iosize = 0x0ff; } else { #if 0 /* * This is what we'd like to use, but... */ sc->iobase = 0x400; sc->iosize = 0xbff; #else /* * ...the above bus width probe doesn't always work. * So, experimentation has shown the following range * to not lose on systems that 0x300-0x3ff loses on * (e.g. the NEC Versa 6030X). */ sc->iobase = 0x330; sc->iosize = 0x0cf; #endif } DEVPRINTF((dev, "bus_space_alloc range 0x%04lx-0x%04lx (probed)\n", (long) sc->iobase, (long) sc->iobase + sc->iosize)); if (pcic_isa_alloc_iobase && pcic_isa_alloc_iosize) { sc->iobase = pcic_isa_alloc_iobase; sc->iosize = pcic_isa_alloc_iosize; DEVPRINTF((dev, "bus_space_alloc range 0x%04lx-0x%04lx " "(config override)\n", (long) sc->iobase, (long) sc->iobase + sc->iosize)); } } #if 0 static int pcic_isa_check(device_t dev, u_int16_t addr) { bus_space_tag_t iot; bus_space_handle_t ioh; int val, found; int rid; struct resource *res; rid = 0; res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, addr, addr, PCIC_IOSIZE, RF_ACTIVE); if (!res) return(ENXIO); iot = rman_get_bustag(res); ioh = rman_get_bushandle(res); found = 0; /* * this could be done with a loop, but it would violate the * abstraction */ bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT); val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); if (pcic_ident_ok(val)) found++; bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SB + PCIC_IDENT); val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); if (pcic_ident_ok(val)) found++; bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SA + PCIC_IDENT); val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); if (pcic_ident_ok(val)) found++; bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SB + PCIC_IDENT); val = bus_space_read_1(iot, ioh, PCIC_REG_DATA); if (pcic_ident_ok(val)) found++; bus_release_resource(dev, SYS_RES_IOPORT, rid, res); return (found); } #endif static int pcic_isa_probe(device_t dev) { int error; struct resource *res; int rid; int i; u_long mem; /* Check isapnp ids */ error = ISA_PNP_PROBE(device_get_parent(dev), dev, pcic_ids); if (error == ENXIO) return (ENXIO); /* If we had some other problem. */ if (!(error == 0 || error == ENOENT)) return (error); /* If we have the resources we need then we're good to go. */ if (bus_get_resource_start(dev, SYS_RES_IOPORT, 0) == 0) return (ENXIO); rid = 0; res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE); if (res == NULL) { /* * No IRQ specified, find one. This can be due to the PnP * data not specifying any IRQ */ for (i = 0; i < 16; i++) { if (((1 << i) & PCIC_INTR_IRQ_VALIDMASK) == 0) continue; res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, i, i, 1, RF_ACTIVE); if (res != NULL) break; } if (res == NULL) return (ENXIO); mem = rman_get_start(res); bus_release_resource(dev, SYS_RES_IRQ, rid, res); bus_set_resource(dev, SYS_RES_IRQ, 0, i, 1); } else { bus_release_resource(dev, SYS_RES_IRQ, rid, res); } /* XXX This might not be needed in future, get it directly from * XXX parent */ rid = 0; res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0, ~0, 1 << 13, RF_ACTIVE); if (res == NULL) { /* * We failed to get memory. Since this XXX comment above * indicates that this is transient, we try to get a hunk * of memory in the isa hole. Sure would be nice if there * were some MI constants for this. */ res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0xa0000, 0xdffff, 1 << 13, RF_ACTIVE); if (res != NULL) { mem = rman_get_start(res); bus_release_resource(dev, SYS_RES_MEMORY, rid, res); bus_set_resource(dev, SYS_RES_MEMORY, 0, mem, 1 << 13); } } else { bus_release_resource(dev, SYS_RES_MEMORY, rid, res); } if (res == NULL) { device_printf(dev, "Cannot allocate mem\n"); return ENOMEM; } return (0); } static int pcic_isa_attach(device_t dev) { int err = 0; if ((err = pcic_attach(dev)) == 0) pcic_isa_bus_width_probe (dev); return err; } static int pcic_isa_detach(device_t dev) { pcic_detach(dev); return 0; } static device_method_t pcic_isa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, pcic_isa_probe), DEVMETHOD(device_attach, pcic_isa_attach), DEVMETHOD(device_detach, pcic_isa_detach), DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD(device_suspend, pcic_suspend), DEVMETHOD(device_resume, pcic_resume), /* Bus Interface */ DEVMETHOD(bus_driver_added, bus_generic_driver_added), DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_alloc_resource, pcic_alloc_resource), DEVMETHOD(bus_release_resource, pcic_release_resource), DEVMETHOD(bus_activate_resource, pcic_activate_resource), DEVMETHOD(bus_deactivate_resource, pcic_deactivate_resource), DEVMETHOD(bus_setup_intr, pcic_setup_intr), DEVMETHOD(bus_teardown_intr, pcic_teardown_intr), /* pccard/cardbus interface */ DEVMETHOD(card_set_res_flags, pcic_set_res_flags), DEVMETHOD(card_set_memory_offset, pcic_set_memory_offset), /* Power Interface */ DEVMETHOD(power_enable_socket, pcic_enable_socket), DEVMETHOD(power_disable_socket, pcic_disable_socket), { 0, 0 } }; static driver_t pcic_driver = { "pcic", pcic_isa_methods, sizeof(struct pcic_softc) }; static devclass_t pcic_devclass; DRIVER_MODULE(pcic, isa, pcic_driver, pcic_devclass, 0, 0);