258 lines
6.6 KiB
C
258 lines
6.6 KiB
C
/* $NetBSD: if_ath_pci.c,v 1.7 2004/06/30 05:58:17 mycroft Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2002-2004 Sam Leffler, Errno Consulting
|
|
* 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,
|
|
* without modification.
|
|
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
|
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
|
|
* redistribution must be conditioned upon including a substantially
|
|
* similar Disclaimer requirement for further binary redistribution.
|
|
* 3. Neither the names of the above-listed copyright holders nor the names
|
|
* of any contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* NO WARRANTY
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifdef __FreeBSD__
|
|
__FBSDID("$FreeBSD: src/sys/dev/ath/if_ath_pci.c,v 1.8 2004/04/02 23:57:10 sam Exp $");
|
|
#endif
|
|
#ifdef __NetBSD__
|
|
__KERNEL_RCSID(0, "$NetBSD: if_ath_pci.c,v 1.7 2004/06/30 05:58:17 mycroft Exp $");
|
|
#endif
|
|
|
|
/*
|
|
* PCI/Cardbus front-end for the Atheros Wireless LAN controller driver.
|
|
*/
|
|
|
|
#include "opt_inet.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sockio.h>
|
|
#include <sys/errno.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_dl.h>
|
|
#include <net/if_media.h>
|
|
#include <net/if_ether.h>
|
|
#include <net/if_llc.h>
|
|
#include <net/if_arp.h>
|
|
|
|
#include <net80211/ieee80211_compat.h>
|
|
#include <net80211/ieee80211_var.h>
|
|
|
|
#ifdef INET
|
|
#include <netinet/in.h>
|
|
#endif
|
|
|
|
#include <dev/ic/athcompat.h>
|
|
#include <dev/ic/athvar.h>
|
|
#include <../contrib/sys/dev/ic/athhal.h>
|
|
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/pci/pcidevs.h>
|
|
|
|
#include <sys/device.h>
|
|
|
|
/*
|
|
* PCI glue.
|
|
*/
|
|
|
|
struct ath_pci_softc {
|
|
struct ath_softc sc_sc;
|
|
#ifdef __FreeBSD__
|
|
struct resource *sc_sr; /* memory resource */
|
|
struct resource *sc_irq; /* irq resource */
|
|
#else
|
|
pci_chipset_tag_t sc_pc;
|
|
#endif
|
|
void *sc_ih; /* intererupt handler */
|
|
u_int8_t sc_saved_intline;
|
|
u_int8_t sc_saved_cachelinesz;
|
|
u_int8_t sc_saved_lattimer;
|
|
};
|
|
|
|
#define BS_BAR 0x10
|
|
|
|
static int ath_pci_match(struct device *, struct cfdata *, void *);
|
|
static void ath_pci_attach(struct device *, struct device *, void *);
|
|
static void ath_pci_shutdown(void *);
|
|
static int ath_pci_detach(struct device *, int);
|
|
|
|
CFATTACH_DECL(ath_pci,
|
|
sizeof(struct ath_pci_softc),
|
|
ath_pci_match,
|
|
ath_pci_attach,
|
|
ath_pci_detach,
|
|
NULL);
|
|
|
|
/*
|
|
* translate some product code. it is a workaround until HAL gets updated.
|
|
*/
|
|
static u_int16_t
|
|
ath_product(pcireg_t pa_id)
|
|
{
|
|
u_int16_t prodid;
|
|
|
|
prodid = PCI_PRODUCT(pa_id);
|
|
switch (prodid) {
|
|
case 0x1014: /* IBM 31P9702 minipci a/b/g card */
|
|
prodid = PCI_PRODUCT_ATHEROS_AR5212;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return prodid;
|
|
}
|
|
|
|
static int
|
|
ath_pci_match(struct device *parent, struct cfdata *match, void *aux)
|
|
{
|
|
const char* devname;
|
|
struct pci_attach_args *pa = aux;
|
|
pci_vendor_id_t vendor;
|
|
|
|
vendor = PCI_VENDOR(pa->pa_id);
|
|
/* XXX HACK until HAL is updated. */
|
|
if (vendor == 0x128c)
|
|
vendor = PCI_VENDOR_ATHEROS;
|
|
devname = ath_hal_probe(vendor, ath_product(pa->pa_id));
|
|
if (devname)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
ath_pci_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct ath_pci_softc *psc = (struct ath_pci_softc *)self;
|
|
struct ath_softc *sc = &psc->sc_sc;
|
|
u_int32_t res;
|
|
struct pci_attach_args *pa = aux;
|
|
pci_chipset_tag_t pc = pa->pa_pc;
|
|
bus_space_tag_t iot;
|
|
bus_space_handle_t ioh;
|
|
pci_intr_handle_t ih;
|
|
void *hook;
|
|
const char *intrstr = NULL;
|
|
|
|
psc->sc_pc = pc;
|
|
|
|
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
|
|
pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
|
|
PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE);
|
|
res = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
|
|
|
|
if ((res & PCI_COMMAND_MEM_ENABLE) == 0) {
|
|
aprint_error("couldn't enable memory mapping\n");
|
|
goto bad;
|
|
}
|
|
|
|
if ((res & PCI_COMMAND_MASTER_ENABLE) == 0) {
|
|
aprint_error("couldn't enable bus mastering\n");
|
|
goto bad;
|
|
}
|
|
|
|
/*
|
|
* Setup memory-mapping of PCI registers.
|
|
*/
|
|
if (pci_mapreg_map(pa, BS_BAR, PCI_MAPREG_TYPE_MEM, 0, &iot, &ioh,
|
|
NULL, NULL)) {
|
|
aprint_error("cannot map register space\n");
|
|
goto bad;
|
|
}
|
|
sc->sc_st = iot;
|
|
sc->sc_sh = ioh;
|
|
|
|
sc->sc_invalid = 1;
|
|
|
|
/*
|
|
* Arrange interrupt line.
|
|
*/
|
|
if (pci_intr_map(pa, &ih)) {
|
|
aprint_error("couldn't map interrupt\n");
|
|
goto bad1;
|
|
}
|
|
|
|
intrstr = pci_intr_string(pc, ih);
|
|
psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, ath_intr, sc);
|
|
if (psc->sc_ih == NULL) {
|
|
aprint_error("couldn't map interrupt\n");
|
|
goto bad2;
|
|
}
|
|
|
|
printf("\n");
|
|
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
|
|
|
|
sc->sc_dmat = pa->pa_dmat;
|
|
|
|
hook = shutdownhook_establish(ath_pci_shutdown, psc);
|
|
if (hook == NULL) {
|
|
aprint_error("couldn't make shutdown hook\n");
|
|
goto bad3;
|
|
}
|
|
|
|
if (ath_attach(ath_product(pa->pa_id), sc) == 0)
|
|
return;
|
|
|
|
shutdownhook_disestablish(hook);
|
|
|
|
bad3: pci_intr_disestablish(pc, psc->sc_ih);
|
|
bad2: /* XXX */
|
|
bad1: /* XXX */
|
|
bad:
|
|
return;
|
|
}
|
|
|
|
static int
|
|
ath_pci_detach(struct device *self, int flags)
|
|
{
|
|
struct ath_pci_softc *psc = (struct ath_pci_softc *)self;
|
|
|
|
ath_detach(&psc->sc_sc);
|
|
pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
ath_pci_shutdown(void *self)
|
|
{
|
|
struct ath_pci_softc *psc = (struct ath_pci_softc *)self;
|
|
|
|
ath_shutdown(&psc->sc_sc);
|
|
}
|