/* $OpenBSD: if_xl_cardbus.c,v 1.19 2007/05/05 13:24:03 deraadt Exp $ */
/* $NetBSD: if_xl_cardbus.c,v 1.13 2000/03/07 00:32:52 mycroft Exp $ */
/*
* CardBus specific routines for 3Com 3C575-family CardBus ethernet adapter
*
* Copyright (c) 1998 and 1999
* HAYAKAWA Koichi. 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 the author.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY HAYAKAWA KOICHI ``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 TAKESHI OHASHI 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.
*
*
*/
#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/malloc.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#include <machine/cpu.h>
#include <machine/bus.h>
#include <dev/cardbus/cardbusvar.h>
#include <dev/pci/pcidevs.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/ic/xlreg.h>
#if defined XL_DEBUG
#define DPRINTF(a) printf a
#else
#define DPRINTF(a)
#endif
#define CARDBUS_3C575BTX_FUNCSTAT_PCIREG CARDBUS_BASE2_REG /* means 0x18 */
int xl_cardbus_match(struct device *, void *, void *);
void xl_cardbus_attach(struct device *, struct device *,void *);
int xl_cardbus_detach(struct device *, int);
void xl_cardbus_intr_ack(struct xl_softc *);
#define XL_CARDBUS_BOOMERANG 0x0001
#define XL_CARDBUS_CYCLONE 0x0002
#define XL_CARDBUS_INTR 0x0004
#define XL_CARDBUS_INTR_ACK 0x8000
struct xl_cardbus_softc {
struct xl_softc sc_softc;
cardbus_devfunc_t sc_ct;
int sc_intrline;
u_int8_t sc_cardbus_flags;
u_int8_t sc_cardtype;
/* CardBus function status space. 575B requests it. */
bus_space_tag_t sc_funct;
bus_space_handle_t sc_funch;
bus_size_t sc_funcsize;
bus_size_t sc_mapsize; /* size of mapped bus space region */
};
struct cfattach xl_cardbus_ca = {
sizeof(struct xl_cardbus_softc), xl_cardbus_match,
xl_cardbus_attach, xl_cardbus_detach
};
const struct xl_cardbus_product {
u_int32_t ecp_prodid; /* CardBus product ID */
int ecp_flags; /* initial softc flags */
pcireg_t ecp_csr; /* PCI CSR flags */
int ecp_cardtype; /* card type */
const char *ecp_name; /* device name */
} xl_cardbus_products[] = {
{ PCI_PRODUCT_3COM_3C575,
XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM,
CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MASTER_ENABLE,
XL_CARDBUS_BOOMERANG,
"3c575-TX Ethernet" },
{ PCI_PRODUCT_3COM_3CCFE575BT,
XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
XL_FLAG_INVERT_LED_PWR,
CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
CARDBUS_COMMAND_MASTER_ENABLE,
XL_CARDBUS_CYCLONE,
"3c575B-TX Ethernet" },
{ PCI_PRODUCT_3COM_3CCFE575CT,
XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
XL_FLAG_INVERT_MII_PWR,
CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
CARDBUS_COMMAND_MASTER_ENABLE,
XL_CARDBUS_CYCLONE,
"3c575C-TX Ethernet" },
{ PCI_PRODUCT_3COM_3CCFEM656,
XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
XL_FLAG_INVERT_LED_PWR | XL_FLAG_INVERT_MII_PWR,
CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
CARDBUS_COMMAND_MASTER_ENABLE,
XL_CARDBUS_CYCLONE,
"3c656-TX Ethernet" },
{ PCI_PRODUCT_3COM_3CCFEM656B,
XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
XL_FLAG_INVERT_LED_PWR | XL_FLAG_INVERT_MII_PWR,
CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
CARDBUS_COMMAND_MASTER_ENABLE,
XL_CARDBUS_CYCLONE,
"3c656B-TX Ethernet" },
{ PCI_PRODUCT_3COM_3CCFEM656C,
XL_FLAG_PHYOK | XL_FLAG_EEPROM_OFFSET_30 | XL_FLAG_8BITROM |
XL_FLAG_INVERT_MII_PWR,
CARDBUS_COMMAND_IO_ENABLE | CARDBUS_COMMAND_MEM_ENABLE |
CARDBUS_COMMAND_MASTER_ENABLE,
XL_CARDBUS_CYCLONE,
"3c656C-TX Ethernet" },
{ 0,
0,
0,
0,
NULL },
};
const struct xl_cardbus_product *xl_cardbus_lookup(const struct cardbus_attach_args *);
const struct xl_cardbus_product *
xl_cardbus_lookup(const struct cardbus_attach_args *ca)
{
const struct xl_cardbus_product *ecp;
if (CARDBUS_VENDOR(ca->ca_id) != PCI_VENDOR_3COM)
return (NULL);
for (ecp = xl_cardbus_products; ecp->ecp_name != NULL; ecp++)
if (CARDBUS_PRODUCT(ca->ca_id) == ecp->ecp_prodid)
return (ecp);
return (NULL);
}
int
xl_cardbus_match(struct device *parent, void *match, void *aux)
{
struct cardbus_attach_args *ca = aux;
if (xl_cardbus_lookup(ca) != NULL)
return (1);
return (0);
}
void
xl_cardbus_attach(struct device *parent, struct device *self, void *aux)
{
struct xl_cardbus_softc *csc = (void *)self;
struct xl_softc *sc = &csc->sc_softc;
struct cardbus_attach_args *ca = aux;
cardbus_devfunc_t ct = ca->ca_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
cardbusreg_t iob, command, bhlc;
const struct xl_cardbus_product *ecp;
bus_space_handle_t ioh;
bus_addr_t adr;
if (Cardbus_mapreg_map(ct, CARDBUS_BASE0_REG, CARDBUS_MAPREG_TYPE_IO, 0,
&sc->xl_btag, &ioh, &adr, &csc->sc_mapsize)) {
printf(": can't map i/o space\n");
return;
}
ecp = xl_cardbus_lookup(ca);
if (ecp == NULL) {
printf("\n");
panic("xl_cardbus_attach: impossible");
}
printf(": 3Com %s", ecp->ecp_name);
sc->xl_flags = ecp->ecp_flags;
sc->sc_dmat = ca->ca_dmat;
iob = adr;
sc->xl_bhandle = ioh;
(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_IO_ENABLE);
command = cardbus_conf_read(cc, cf, ca->ca_tag,
CARDBUS_COMMAND_STATUS_REG);
command |= ecp->ecp_csr;
csc->sc_cardtype = ecp->ecp_cardtype;
if (csc->sc_cardtype == XL_CARDBUS_CYCLONE) {
/* map CardBus function status window */
if (Cardbus_mapreg_map(ct, CARDBUS_BASE2_REG,
CARDBUS_MAPREG_TYPE_MEM, 0, &csc->sc_funct,
&csc->sc_funch, 0, &csc->sc_funcsize)) {
printf("%s: unable to map function status window\n",
self->dv_xname);
return;
}
/*
* Make sure CardBus bridge can access memory space. Usually
* memory access is enabled by BIOS, but some BIOSes do not
* enable it.
*/
(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
}
(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
command);
/*
* set latency timer
*/
bhlc = cardbus_conf_read(cc, cf, ca->ca_tag, CARDBUS_BHLC_REG);
if (CARDBUS_LATTIMER(bhlc) < 0x20) {
/* at least the value of latency timer should 0x20. */
DPRINTF(("if_xl_cardbus: lattimer 0x%x -> 0x20\n",
CARDBUS_LATTIMER(bhlc)));
bhlc &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT);
bhlc |= (0x20 << CARDBUS_LATTIMER_SHIFT);
cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_BHLC_REG, bhlc);
}
csc->sc_ct = ca->ca_ct;
csc->sc_intrline = ca->ca_intrline;
/* Map and establish the interrupt. */
sc->xl_intrhand = cardbus_intr_establish(cc, cf, ca->ca_intrline,
IPL_NET, xl_intr, csc, self->dv_xname);
if (sc->xl_intrhand == NULL) {
printf(": couldn't establish interrupt");
printf(" at %d", ca->ca_intrline);
printf("\n");
return;
}
printf(": irq %d", ca->ca_intrline);
sc->intr_ack = xl_cardbus_intr_ack;
xl_attach(sc);
if (csc->sc_cardtype == XL_CARDBUS_CYCLONE)
bus_space_write_4(csc->sc_funct, csc->sc_funch,
XL_CARDBUS_INTR, XL_CARDBUS_INTR_ACK);
}
int
xl_detach(struct xl_softc *sc)
{
struct ifnet *ifp = &sc->sc_arpcom.ac_if;
extern void xl_freetxrx(struct xl_softc *);
/* Unhook our tick handler. */
timeout_del(&sc->xl_stsup_tmo);
xl_freetxrx(sc);
/* Detach all PHYs */
if (sc->xl_hasmii)
mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
/* Delete all remaining media. */
ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
ether_ifdetach(ifp);
if_detach(ifp);
if (sc->sc_sdhook != NULL)
shutdownhook_disestablish(sc->sc_sdhook);
if (sc->sc_pwrhook != NULL)
powerhook_disestablish(sc->sc_pwrhook);
return (0);
}
int
xl_cardbus_detach(struct device *self, int arg)
{
struct xl_cardbus_softc *csc = (void *)self;
struct xl_softc *sc = &csc->sc_softc;
struct cardbus_devfunc *ct = csc->sc_ct;
int rv = 0;
#if defined(DIAGNOSTIC)
if (ct == NULL) {
panic("%s: data structure lacks", sc->sc_dev.dv_xname);
}
#endif
rv = xl_detach(sc);
if (rv == 0) {
/*
* Unhook the interrupt handler.
*/
cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf,
sc->xl_intrhand);
if (csc->sc_cardtype == XL_CARDBUS_CYCLONE) {
Cardbus_mapreg_unmap(ct, CARDBUS_BASE2_REG,
csc->sc_funct, csc->sc_funch, csc->sc_funcsize);
}
Cardbus_mapreg_unmap(ct, CARDBUS_BASE0_REG, sc->xl_btag,
sc->xl_bhandle, csc->sc_mapsize);
}
return (rv);
}
void
xl_cardbus_intr_ack(struct xl_softc *sc)
{
struct xl_cardbus_softc *csc = (struct xl_cardbus_softc *)sc;
bus_space_write_4(csc->sc_funct, csc->sc_funch, XL_CARDBUS_INTR,
XL_CARDBUS_INTR_ACK);
}