diff options
Diffstat (limited to 'sys/dev/pcic/i82365_isa.c')
| -rw-r--r-- | sys/dev/pcic/i82365_isa.c | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/sys/dev/pcic/i82365_isa.c b/sys/dev/pcic/i82365_isa.c new file mode 100644 index 0000000..5651825 --- /dev/null +++ b/sys/dev/pcic/i82365_isa.c @@ -0,0 +1,404 @@ +/* $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 <sys/param.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/kernel.h> +#include <sys/queue.h> +#include <sys/types.h> + +#include <sys/bus.h> +#include <machine/bus.h> +#include <sys/rman.h> +#include <machine/resource.h> + +#include <isa/isavar.h> + +#include <dev/pccard/pccardreg.h> +#include <dev/pccard/pccardvar.h> + +#include <dev/pcic/i82365reg.h> +#include <dev/pcic/i82365var.h> + +#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_ACTIONTEC, NULL}, /* AEI0218 */ + {PCIC_PNP_IBM3765, NULL}, /* IBM3765 */ + {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_SCM_SWAPBOX, NULL}, /* SCM0469 */ + {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_size(sc->port_res); + 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); +MODULE_DEPEND(pcic, pccard, 1, 1, 1); |
