FreeBSD-5.3/sys/dev/awi/if_awi_pccard.c
/*
* Copyright (c) 2000 Atsushi Onoe <onoe@sm.sony.co.jp>
* 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.
*
* 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/cdefs.h>
__FBSDID("$FreeBSD: src/sys/dev/awi/if_awi_pccard.c,v 1.19 2004/05/27 03:49:40 imp Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <net/ethernet.h>
#include <net80211/ieee80211_var.h>
#include <dev/awi/am79c930reg.h>
#include <dev/awi/am79c930var.h>
#include <dev/awi/awireg.h>
#include <dev/awi/awivar.h>
#include <dev/pccard/pccardvar.h>
#include "card_if.h"
#include "pccarddevs.h"
struct awi_pccard_softc {
struct awi_softc sc_awi;
u_int8_t sc_version[AWI_BANNER_LEN];
int sc_intr_mask;
void *sc_intrhand;
struct resource *sc_irq_res;
int sc_irq_rid;
struct resource *sc_port_res;
int sc_port_rid;
struct resource *sc_mem_res;
int sc_mem_rid;
};
static const struct pccard_product awi_pccard_products[] = {
PCMCIA_CARD(AMD, AM79C930, 0),
PCMCIA_CARD(BAY, STACK_650, 0),
PCMCIA_CARD(BAY, STACK_660, 0),
PCMCIA_CARD(BAY, SURFER_PRO, 0),
PCMCIA_CARD(ICOM, SL200, 0),
PCMCIA_CARD(NOKIA, C020_WLAN, 0),
PCMCIA_CARD(FARALLON, SKYLINE, 0),
PCMCIA_CARD(ZOOM, AIR_4000, 0),
{ NULL }
};
static int awi_pccard_match(device_t);
static int awi_pccard_probe(device_t);
static int awi_pccard_attach(device_t);
static int awi_pccard_detach(device_t);
static void awi_pccard_shutdown(device_t);
static int awi_pccard_enable(struct awi_softc *);
static void awi_pccard_disable(struct awi_softc *);
static int
awi_pccard_match(device_t dev)
{
const struct pccard_product *pp;
if ((pp = pccard_product_lookup(dev, awi_pccard_products,
sizeof(awi_pccard_products[0]), NULL)) != NULL) {
if (pp->pp_name != NULL)
device_set_desc(dev, pp->pp_name);
return 0;
}
return ENXIO;
}
/*
* Initialize the device - called from Slot manager.
*/
static int
awi_pccard_probe(device_t dev)
{
struct awi_pccard_softc *psc = device_get_softc(dev);
struct awi_softc *sc = &psc->sc_awi;
int error = 0;
psc->sc_port_rid = 0;
psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
&psc->sc_port_rid, 0, ~0, AM79C930_IO_SIZE,
rman_make_alignment_flags(AM79C930_IO_ALIGN) | RF_ACTIVE);
if (!psc->sc_port_res)
return ENOMEM;
sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
am79c930_chip_init(&sc->sc_chip, 0);
tsleep(sc, PWAIT, "awiprb", 1);
awi_read_bytes(sc, AWI_BANNER, psc->sc_version, AWI_BANNER_LEN);
if (memcmp(psc->sc_version, "PCnetMobile:", 12) != 0) {
device_printf(dev, "awi_pccard_probe: bad banner: %12D\n",
psc->sc_version, " ");
error = ENXIO;
} else
device_set_desc(dev, psc->sc_version);
bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
psc->sc_port_res);
psc->sc_port_res = 0;
return error;
}
static int
awi_pccard_attach(device_t dev)
{
struct awi_pccard_softc *psc = device_get_softc(dev);
struct awi_softc *sc = &psc->sc_awi;
int error = 0;
psc->sc_port_res = 0;
psc->sc_irq_res = 0;
psc->sc_mem_res = 0;
psc->sc_intrhand = 0;
psc->sc_port_rid = 0;
psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
&psc->sc_port_rid, 0, ~0, 16,
rman_make_alignment_flags(64) | RF_ACTIVE);
if (!psc->sc_port_res) {
device_printf(dev, "awi_pccard_attach: port alloc failed\n");
goto fail;
}
sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
psc->sc_irq_rid = 0;
psc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&psc->sc_irq_rid, RF_ACTIVE);
if (!psc->sc_irq_res) {
device_printf(dev, "awi_pccard_attach: irq alloc failed\n");
goto fail;
}
psc->sc_mem_rid = 0;
#if 1
/*
* XXX: awi needs to access memory with 8bit,
* but pccardd apparently maps memory with MDF_16BITS flag.
* So memory mapped access is disabled and use IO port instead.
* Also, memory mapping is not yet supported on pccard.
*/
psc->sc_mem_res = 0;
#else
psc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
&psc->sc_mem_rid, 0, ~0, 0x8000, RF_ACTIVE);
#endif
if (psc->sc_mem_res) {
sc->sc_chip.sc_memt = rman_get_bustag(psc->sc_mem_res);
sc->sc_chip.sc_memh = rman_get_bushandle(psc->sc_mem_res);
am79c930_chip_init(&sc->sc_chip, 1);
} else
am79c930_chip_init(&sc->sc_chip, 0);
sc->sc_dev = dev;
sc->sc_cansleep = 1;
sc->sc_enable = awi_pccard_enable;
sc->sc_disable = awi_pccard_disable;
if (awi_pccard_enable(sc))
goto fail;
sc->sc_enabled = 1;
error = awi_attach(sc);
sc->sc_enabled = 0; /*XXX*/
awi_pccard_disable(sc);
if (error == 0)
return 0;
device_printf(dev, "awi_pccard_attach: awi_attach failed\n");
fail:
awi_pccard_detach(dev);
if (error == 0)
error = ENXIO;
return error;
}
static int
awi_pccard_detach(device_t dev)
{
struct awi_pccard_softc *psc = device_get_softc(dev);
struct awi_softc *sc = &psc->sc_awi;
awi_detach(sc);
if (psc->sc_mem_res) {
bus_release_resource(dev, SYS_RES_MEMORY, psc->sc_mem_rid,
psc->sc_mem_res);
psc->sc_mem_res = 0;
}
if (psc->sc_irq_res) {
bus_release_resource(dev, SYS_RES_IRQ, psc->sc_irq_rid,
psc->sc_irq_res);
psc->sc_irq_res = 0;
}
if (psc->sc_port_res) {
bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
psc->sc_port_res);
psc->sc_port_res = 0;
}
return 0;
}
static void
awi_pccard_shutdown(device_t dev)
{
struct awi_pccard_softc *psc = device_get_softc(dev);
struct awi_softc *sc = &psc->sc_awi;
awi_shutdown(sc);
}
static int
awi_pccard_enable(struct awi_softc *sc)
{
device_t dev = sc->sc_dev;
struct awi_pccard_softc *psc = device_get_softc(dev);
int error;
if (psc->sc_intrhand == 0) {
error = bus_setup_intr(dev, psc->sc_irq_res, INTR_TYPE_NET,
(void (*)(void *))awi_intr, sc, &psc->sc_intrhand);
if (error) {
device_printf(dev,
"couldn't establish interrupt error=%d\n", error);
return error;
}
}
return 0;
}
static void
awi_pccard_disable(struct awi_softc *sc)
{
device_t dev = sc->sc_dev;
struct awi_pccard_softc *psc = device_get_softc(dev);
if (psc->sc_intrhand) {
bus_teardown_intr(dev, psc->sc_irq_res, psc->sc_intrhand);
psc->sc_intrhand = 0;
}
}
static device_method_t awi_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pccard_compat_probe),
DEVMETHOD(device_attach, pccard_compat_attach),
DEVMETHOD(device_detach, awi_pccard_detach),
DEVMETHOD(device_shutdown, awi_pccard_shutdown),
/* Card interface */
DEVMETHOD(card_compat_match, awi_pccard_match),
DEVMETHOD(card_compat_probe, awi_pccard_probe),
DEVMETHOD(card_compat_attach, awi_pccard_attach),
{ 0, 0 }
};
static driver_t awi_pccard_driver = {
"awi",
awi_pccard_methods,
sizeof(struct awi_pccard_softc),
};
extern devclass_t awi_devclass;
DRIVER_MODULE(awi, pccard, awi_pccard_driver, awi_devclass, 0, 0);
MODULE_DEPEND(awi, wlan, 1, 1, 1);