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/* $OpenBSD: if_acx_pci.c,v 1.4 2006/08/19 23:17:12 mglocker Exp $ */
/*-
* Copyright (c) 2006 Theo de Raadt <deraadt@openbsd.org>
* Copyright (c) 2005, 2006
* Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* PCI front-end for the ACX100/111
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/timeout.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_amrr.h>
#include <net80211/ieee80211_rssadapt.h>
#include <net80211/ieee80211_radiotap.h>
#include <dev/ic/acxvar.h>
#include <dev/ic/acxreg.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
struct acx_pci_softc {
struct acx_softc sc_acx;
/* PCI specific goo */
struct acx_opns *sc_opns;
pci_chipset_tag_t sc_pc;
void *sc_ih;
bus_size_t sc_mapsize1;
bus_size_t sc_mapsize2;
pcireg_t sc_iobar_val; /* acx100 only */
pcireg_t sc_bar1_val;
pcireg_t sc_bar2_val;
int sc_intrline;
/* hack for ACX100A */
bus_space_tag_t sc_io_bt;
bus_space_handle_t sc_io_bh;
bus_size_t sc_iomapsize;
};
/* Base Address Register */
#define ACX_PCI_BAR0 0x10
#define ACX_PCI_BAR1 0x14
#define ACX_PCI_BAR2 0x18
int acx_pci_match(struct device *, void *, void *);
void acx_pci_attach(struct device *, struct device *, void *);
int acx_pci_detach(struct device *, int);
struct cfattach acx_pci_ca = {
sizeof (struct acx_pci_softc), acx_pci_match, acx_pci_attach,
acx_pci_detach
};
const struct pci_matchid acx_pci_devices[] = {
{ PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100A },
{ PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX100B },
{ PCI_VENDOR_TI, PCI_PRODUCT_TI_ACX111 }
};
int
acx_pci_match(struct device *parent, void *match, void *aux)
{
return (pci_matchbyid((struct pci_attach_args *)aux, acx_pci_devices,
sizeof (acx_pci_devices) / sizeof (acx_pci_devices[0])));
}
void
acx_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct acx_pci_softc *psc = (struct acx_pci_softc *)self;
struct acx_softc *sc = &psc->sc_acx;
struct pci_attach_args *pa = aux;
const char *intrstr = NULL;
bus_addr_t base;
pci_intr_handle_t ih;
int error, b1 = ACX_PCI_BAR0, b2 = ACX_PCI_BAR1;
sc->sc_dmat = pa->pa_dmat;
psc->sc_pc = pa->pa_pc;
/* map control/status registers */
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX100A) {
error = pci_mapreg_map(pa, ACX_PCI_BAR0,
PCI_MAPREG_TYPE_IO, 0, &psc->sc_io_bt,
&psc->sc_io_bh, &base, &psc->sc_iomapsize, 0);
if (error != 0) {
printf(": could not map i/o space\n");
return;
}
psc->sc_iobar_val = base | PCI_MAPREG_TYPE_IO;
b1 = ACX_PCI_BAR1;
b2 = ACX_PCI_BAR2;
}
error = pci_mapreg_map(pa, b1, PCI_MAPREG_TYPE_MEM |
PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem1_bt,
&sc->sc_mem1_bh, &base, &psc->sc_mapsize1, 0);
if (error != 0) {
printf(": could not map memory1 space\n");
return;
}
psc->sc_bar1_val = base | PCI_MAPREG_TYPE_MEM;
error = pci_mapreg_map(pa, b2, PCI_MAPREG_TYPE_MEM |
PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_mem2_bt,
&sc->sc_mem2_bh, &base, &psc->sc_mapsize2, 0);
if (error != 0) {
printf(": could not map memory2 space\n");
return;
}
psc->sc_bar2_val = base | PCI_MAPREG_TYPE_MEM;
if (pci_intr_map(pa, &ih) != 0) {
printf(": could not map interrupt\n");
return;
}
intrstr = pci_intr_string(psc->sc_pc, ih);
psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET,
acx_intr, sc, sc->sc_dev.dv_xname);
if (psc->sc_ih == NULL) {
printf(": could not establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf(": %s\n", intrstr);
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TI_ACX111)
acx111_set_param(sc);
else
acx100_set_param(sc);
acx_attach(sc);
}
int
acx_pci_detach(struct device *self, int flags)
{
struct acx_pci_softc *psc = (struct acx_pci_softc *)self;
struct acx_softc *sc = &psc->sc_acx;
acx_detach(sc);
pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
return 0;
}
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