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NetBSD/sys/dev/pcmcia/if_awi_pcmcia.c

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/* $NetBSD: if_awi_pcmcia.c,v 1.18 2001/01/18 20:28:25 jdolecek Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Bill Sommerfeld
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* PCMCIA attachment for BayStack 650 802.11FH PCMCIA card,
* based on the AMD 79c930 802.11 controller chip.
*
* This attachment can probably be trivally adapted for other FH and
* DS cards based on the same chipset.
*/
#include "opt_inet.h"
#include "opt_ns.h"
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/select.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#include <net/if_ieee80211.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_inarp.h>
#endif
#ifdef NS
#include <netns/ns.h>
#include <netns/ns_if.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/ic/am79c930reg.h>
#include <dev/ic/am79c930var.h>
#include <dev/ic/awireg.h>
#include <dev/ic/awivar.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
static int awi_pcmcia_match __P((struct device *, struct cfdata *, void *));
static void awi_pcmcia_attach __P((struct device *, struct device *, void *));
static int awi_pcmcia_detach __P((struct device *, int));
static int awi_pcmcia_enable __P((struct awi_softc *));
static void awi_pcmcia_disable __P((struct awi_softc *));
static void awi_pcmcia_powerhook __P((int, void *));
struct awi_pcmcia_softc {
struct awi_softc sc_awi; /* real "awi" softc */
/* PCMCIA-specific goo */
struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
struct pcmcia_mem_handle sc_memh; /* PCMCIA memory space info */
int sc_io_window; /* our i/o window */
int sc_mem_window; /* our memory window */
struct pcmcia_function *sc_pf; /* our PCMCIA function */
void *sc_powerhook; /* power hook descriptor */
};
static int awi_pcmcia_find __P((struct awi_pcmcia_softc *,
struct pcmcia_attach_args *, struct pcmcia_config_entry *));
struct cfattach awi_pcmcia_ca = {
sizeof(struct awi_pcmcia_softc), awi_pcmcia_match, awi_pcmcia_attach,
awi_pcmcia_detach, awi_activate
};
static const struct awi_pcmcia_product {
u_int32_t app_vendor; /* vendor ID */
u_int32_t app_product; /* product ID */
const char *app_cisinfo[4]; /* CIS information */
const char *app_name; /* product name */
} awi_pcmcia_products[] = {
{ PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650,
PCMCIA_CIS_BAY_STACK_650, PCMCIA_STR_BAY_STACK_650 },
{ PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660,
PCMCIA_CIS_BAY_STACK_660, PCMCIA_STR_BAY_STACK_660 },
{ PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO,
PCMCIA_CIS_BAY_SURFER_PRO, PCMCIA_STR_BAY_SURFER_PRO },
{ PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930,
PCMCIA_CIS_AMD_AM79C930, PCMCIA_STR_AMD_AM79C930 },
{ PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200,
PCMCIA_CIS_ICOM_SL200, PCMCIA_STR_ICOM_SL200 },
{ PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN,
PCMCIA_CIS_NOKIA_C020_WLAN, PCMCIA_STR_NOKIA_C020_WLAN },
{ PCMCIA_VENDOR_FARALLON, PCMCIA_PRODUCT_FARALLON_SKYLINE,
PCMCIA_CIS_FARALLON_SKYLINE, PCMCIA_STR_FARALLON_SKYLINE },
{ 0, 0,
{ NULL, NULL, NULL, NULL }, NULL },
};
static const struct awi_pcmcia_product *
awi_pcmcia_lookup __P((struct pcmcia_attach_args *));
static const struct awi_pcmcia_product *
awi_pcmcia_lookup(pa)
struct pcmcia_attach_args *pa;
{
const struct awi_pcmcia_product *app;
for (app = awi_pcmcia_products; app->app_name != NULL; app++) {
/* match by vendor/product id */
if (pa->manufacturer != PCMCIA_VENDOR_INVALID &&
pa->manufacturer == app->app_vendor &&
pa->product != PCMCIA_PRODUCT_INVALID &&
pa->product == app->app_product)
return (app);
/* match by CIS information */
if (pa->card->cis1_info[0] != NULL &&
app->app_cisinfo[0] != NULL &&
strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 &&
pa->card->cis1_info[1] != NULL &&
app->app_cisinfo[1] != NULL &&
strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0)
return (app);
}
return (NULL);
}
static int
awi_pcmcia_enable(sc)
struct awi_softc *sc;
{
struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc;
struct pcmcia_function *pf = psc->sc_pf;
/* establish the interrupt. */
sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n",
sc->sc_dev.dv_xname);
return (1);
}
if (pcmcia_function_enable(pf)) {
pcmcia_intr_disestablish(pf, sc->sc_ih);
return (1);
}
DELAY(1000);
return (0);
}
static void
awi_pcmcia_disable(sc)
struct awi_softc *sc;
{
struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc;
struct pcmcia_function *pf = psc->sc_pf;
pcmcia_function_disable(pf);
pcmcia_intr_disestablish(pf, sc->sc_ih);
}
static int
awi_pcmcia_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct pcmcia_attach_args *pa = aux;
if (awi_pcmcia_lookup(pa) != NULL)
return (1);
return (0);
}
static int
awi_pcmcia_find(psc, pa, cfe)
struct awi_pcmcia_softc *psc;
struct pcmcia_attach_args *pa;
struct pcmcia_config_entry *cfe;
{
struct awi_softc *sc = &psc->sc_awi;
int fail = 0;
/*
* see if we can read the firmware version sanely
* through the i/o ports.
* if not, try a different CIS string..
*/
if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start,
cfe->iospace[0].length, AM79C930_IO_ALIGN,
&psc->sc_pcioh) != 0)
goto fail;
if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
&psc->sc_pcioh, &psc->sc_io_window))
goto fail_io_free;
/* Enable the card. */
pcmcia_function_init(psc->sc_pf, cfe);
if (pcmcia_function_enable(psc->sc_pf))
goto fail_io_unmap;
sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA;
sc->sc_chip.sc_iot = psc->sc_pcioh.iot;
sc->sc_chip.sc_ioh = psc->sc_pcioh.ioh;
am79c930_chip_init(&sc->sc_chip, 0);
DELAY(1000);
awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN);
if (memcmp(sc->sc_banner, "PCnetMobile:", 12) == 0)
return (0);
fail++;
pcmcia_function_disable(psc->sc_pf);
fail_io_unmap:
fail++;
pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
fail_io_free:
fail++;
pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
fail:
fail++;
psc->sc_io_window = -1;
return (fail);
}
static void
awi_pcmcia_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct awi_pcmcia_softc *psc = (void *)self;
struct awi_softc *sc = &psc->sc_awi;
const struct awi_pcmcia_product *app;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
bus_addr_t memoff;
app = awi_pcmcia_lookup(pa);
if (app == NULL)
panic("awi_pcmcia_attach: impossible");
psc->sc_pf = pa->pf;
for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
if (cfe->iftype != PCMCIA_IFTYPE_IO)
continue;
if (cfe->num_iospace < 1)
continue;
if (cfe->iospace[0].length < AM79C930_IO_SIZE)
continue;
if (awi_pcmcia_find(psc, pa, cfe) == 0)
break;
}
if (cfe == NULL) {
printf(": no suitable CIS info found\n");
goto no_config_entry;
}
sc->sc_enabled = 1;
printf(": %s\n", app->app_name);
psc->sc_mem_window = -1;
if (pcmcia_mem_alloc(psc->sc_pf, AM79C930_MEM_SIZE,
&psc->sc_memh) != 0) {
printf("%s: unable to allocate memory space; using i/o only\n",
sc->sc_dev.dv_xname);
} else if (pcmcia_mem_map(psc->sc_pf,
PCMCIA_WIDTH_MEM8|PCMCIA_MEM_COMMON, AM79C930_MEM_BASE,
AM79C930_MEM_SIZE, &psc->sc_memh, &memoff, &psc->sc_mem_window)) {
printf("%s: unable to map memory space; using i/o only\n",
sc->sc_dev.dv_xname);
pcmcia_mem_free(psc->sc_pf, &psc->sc_memh);
} else {
sc->sc_chip.sc_memt = psc->sc_memh.memt;
sc->sc_chip.sc_memh = psc->sc_memh.memh;
am79c930_chip_init(&sc->sc_chip, 1);
}
sc->sc_enable = awi_pcmcia_enable;
sc->sc_disable = awi_pcmcia_disable;
/* establish the interrupt. */
sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, awi_intr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt\n",
sc->sc_dev.dv_xname);
goto no_interrupt;
}
sc->sc_ifp = &sc->sc_ec.ec_if;
sc->sc_cansleep = 1;
if (awi_attach(sc) != 0) {
printf("%s: failed to attach controller\n",
sc->sc_dev.dv_xname);
goto attach_failed;
}
psc->sc_powerhook = powerhook_establish(awi_pcmcia_powerhook, psc);
sc->sc_enabled = 0;
/* disable device and disestablish the interrupt */
awi_pcmcia_disable(sc);
return;
attach_failed:
pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
no_interrupt:
/* Unmap our memory window and space */
if (psc->sc_mem_window != -1) {
pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window);
pcmcia_mem_free(psc->sc_pf, &psc->sc_memh);
}
/* Unmap our i/o window and space */
pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
/* Disable the function */
pcmcia_function_disable(psc->sc_pf);
no_config_entry:
psc->sc_io_window = -1;
}
static int
awi_pcmcia_detach(self, flags)
struct device *self;
int flags;
{
struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self;
int error;
if (psc->sc_io_window == -1)
/* Nothing to detach. */
return (0);
if (psc->sc_powerhook != NULL)
powerhook_disestablish(psc->sc_powerhook);
error = awi_detach(&psc->sc_awi);
if (error != 0)
return (error);
/* Unmap our memory window and free memory space */
if (psc->sc_mem_window != -1) {
pcmcia_mem_unmap(psc->sc_pf, psc->sc_mem_window);
pcmcia_mem_free(psc->sc_pf, &psc->sc_memh);
}
/* Unmap our i/o window. */
pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
/* Free our i/o space. */
pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
return (0);
}
static void
awi_pcmcia_powerhook(why, arg)
int why;
void *arg;
{
struct awi_pcmcia_softc *psc = arg;
struct awi_softc *sc = &psc->sc_awi;
awi_power(sc, why);
}
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