freebsd-dev/sys/dev/fe/if_fe_pccard.c
Robert Watson efffdeda35 Fix comment typo.
Submitted by:	Marc Balmer <marc at msys.ch>
MFC after:	3 days
2009-11-25 13:31:17 +00:00

358 lines
9.2 KiB
C

/*-
* All Rights Reserved, Copyright (C) Fujitsu Limited 1995
*
* This software may be used, modified, copied, distributed, and sold, in
* both source and binary form provided that the above copyright, these
* terms and the following disclaimer are retained. The name of the author
* and/or the contributor may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND THE CONTRIBUTOR ``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 OR THE CONTRIBUTOR 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("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_mib.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <dev/fe/mb86960.h>
#include <dev/fe/if_fereg.h>
#include <dev/fe/if_fevar.h>
#include <dev/pccard/pccardvar.h>
#include <dev/pccard/pccard_cis.h>
#include "card_if.h"
#include "pccarddevs.h"
/*
* PC Card (PCMCIA) specific code.
*/
static int fe_pccard_probe(device_t);
static int fe_pccard_attach(device_t);
static int fe_pccard_detach(device_t);
static const struct fe_pccard_product {
struct pccard_product mpp_product;
int mpp_flags;
int mpp_cfe;
#define MPP_MBH10302 1
#define MPP_ANYFUNC 2
#define MPP_SKIP_TO_CFE 4
} fe_pccard_products[] = {
/* These need to be first */
{ PCMCIA_CARD(FUJITSU2, FMV_J181), MPP_MBH10302 },
{ PCMCIA_CARD(FUJITSU2, FMV_J182), 0 },
{ PCMCIA_CARD(FUJITSU2, FMV_J182A), 0 },
{ PCMCIA_CARD(FUJITSU2, ITCFJ182A), 0 },
/* These need to be second */
{ PCMCIA_CARD(TDK, LAK_CD011), 0 },
{ PCMCIA_CARD(TDK, LAK_CD021BX), 0 },
{ PCMCIA_CARD(TDK, LAK_CF010), 0 },
#if 0 /* XXX 86960-based? */
{ PCMCIA_CARD(TDK, LAK_DFL9610), 0 },
#endif
{ PCMCIA_CARD(CONTEC, CNETPC), MPP_SKIP_TO_CFE, 2 },
{ PCMCIA_CARD(FUJITSU, LA501), 0 },
{ PCMCIA_CARD(FUJITSU, LA10S), 0 },
{ PCMCIA_CARD(FUJITSU, NE200T), MPP_MBH10302 },/* Sold by Eagle */
{ PCMCIA_CARD(HITACHI, HT_4840), MPP_MBH10302 | MPP_SKIP_TO_CFE, 10 },
{ PCMCIA_CARD(RATOC, REX_R280), 0 },
{ PCMCIA_CARD(XIRCOM, CE), MPP_ANYFUNC },
{ { NULL } }
};
static int
fe_pccard_probe(device_t dev)
{
int error;
uint32_t fcn = PCCARD_FUNCTION_UNSPEC;
const struct fe_pccard_product *pp;
int i;
if ((pp = (const struct fe_pccard_product *)pccard_product_lookup(dev,
(const struct pccard_product *)fe_pccard_products,
sizeof(fe_pccard_products[0]), NULL)) != NULL) {
if (pp->mpp_product.pp_name != NULL)
device_set_desc(dev, pp->mpp_product.pp_name);
if (pp->mpp_flags & MPP_ANYFUNC)
return (0);
/* Make sure we're a network function */
error = pccard_get_function(dev, &fcn);
if (error != 0)
return (error);
if (fcn != PCCARD_FUNCTION_NETWORK)
return (ENXIO);
if (pp->mpp_flags & MPP_SKIP_TO_CFE) {
for (i = pp->mpp_cfe; i < 32; i++) {
if (pccard_select_cfe(dev, i) == 0)
goto good;
}
device_printf(dev,
"Failed to map CFE %d or higher\n", pp->mpp_cfe);
return ENXIO;
}
good:;
return (0);
}
return (ENXIO);
}
static device_method_t fe_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, fe_pccard_probe),
DEVMETHOD(device_attach, fe_pccard_attach),
DEVMETHOD(device_detach, fe_pccard_detach),
{ 0, 0 }
};
static driver_t fe_pccard_driver = {
"fe",
fe_pccard_methods,
sizeof (struct fe_softc)
};
DRIVER_MODULE(fe, pccard, fe_pccard_driver, fe_devclass, 0, 0);
MODULE_DEPEND(fe, pccard, 1, 1, 1);
static int fe_probe_mbh(device_t, const struct fe_pccard_product *);
static int fe_probe_tdk(device_t, const struct fe_pccard_product *);
static int
fe_pccard_attach(device_t dev)
{
struct fe_softc *sc;
const struct fe_pccard_product *pp;
int error;
/* Prepare for the device probe process. */
sc = device_get_softc(dev);
sc->sc_unit = device_get_unit(dev);
pp = (const struct fe_pccard_product *) pccard_product_lookup(dev,
(const struct pccard_product *)fe_pccard_products,
sizeof(fe_pccard_products[0]), NULL);
if (pp == NULL)
return (ENXIO);
if (pp->mpp_flags & MPP_MBH10302)
error = fe_probe_mbh(dev, pp);
else
error = fe_probe_tdk(dev, pp);
if (error != 0) {
fe_release_resource(dev);
return (error);
}
error = fe_alloc_irq(dev, 0);
if (error != 0) {
fe_release_resource(dev);
return (error);
}
return (fe_attach(dev));
}
/*
* feunload - unload the driver and clear the table.
*/
static int
fe_pccard_detach(device_t dev)
{
struct fe_softc *sc = device_get_softc(dev);
struct ifnet *ifp = sc->ifp;
FE_LOCK(sc);
fe_stop(sc);
FE_UNLOCK(sc);
callout_drain(&sc->timer);
ether_ifdetach(ifp);
bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
if_free(ifp);
fe_release_resource(dev);
mtx_destroy(&sc->lock);
return 0;
}
/*
* Probe and initialization for Fujitsu MBH10302 PCMCIA Ethernet interface.
* Note that this is for 10302 only; MBH10304 is handled by fe_probe_tdk().
*/
static void
fe_init_mbh(struct fe_softc *sc)
{
/* Minimal initialization of 86960. */
DELAY(200);
fe_outb(sc, FE_DLCR6, sc->proto_dlcr6 | FE_D6_DLC_DISABLE);
DELAY(200);
/* Disable all interrupts. */
fe_outb(sc, FE_DLCR2, 0);
fe_outb(sc, FE_DLCR3, 0);
/* Enable master interrupt flag. */
fe_outb(sc, FE_MBH0, FE_MBH0_MAGIC | FE_MBH0_INTR_ENABLE);
}
static int
fe_probe_mbh(device_t dev, const struct fe_pccard_product *pp)
{
struct fe_softc *sc = device_get_softc(dev);
static struct fe_simple_probe_struct probe_table [] = {
{ FE_DLCR2, 0x58, 0x00 },
{ FE_DLCR4, 0x08, 0x00 },
{ FE_DLCR6, 0xFF, 0xB6 },
{ 0 }
};
/* MBH10302 occupies 32 I/O addresses. */
if (fe_alloc_port(dev, 32))
return ENXIO;
/* Fill the softc struct with default values. */
fe_softc_defaults(sc);
/*
* See if MBH10302 is on its address.
* I'm not sure the following probe code works. FIXME.
*/
if (!fe_simple_probe(sc, probe_table))
return ENXIO;
/* Get our station address from EEPROM. */
fe_inblk(sc, FE_MBH10, sc->enaddr, ETHER_ADDR_LEN);
/* Make sure we got a valid station address. */
if (!fe_valid_Ether_p(sc->enaddr, 0))
return ENXIO;
/* Determine the card type. */
sc->type = FE_TYPE_MBH;
sc->typestr = "MBH10302 (PCMCIA)";
/* We seems to need our own IDENT bits... FIXME. */
sc->proto_dlcr7 = FE_D7_BYTSWP_LH | FE_D7_IDENT_NICE;
/* Setup hooks. We need a special initialization procedure. */
sc->init = fe_init_mbh;
return 0;
}
static int
fe_pccard_xircom_mac(const struct pccard_tuple *tuple, void *argp)
{
uint8_t *enaddr = argp;
int i;
#if 1
/*
* We fail to map the CIS twice, for reasons unknown. We
* may fix this in the future by loading the CIS with a sane
* CIS from userland.
*/
static uint8_t defaultmac[ETHER_ADDR_LEN] = {
0x00, 0x80, 0xc7, 0xed, 0x16, 0x7b};
/* Copy the MAC ADDR and return success */
for (i = 0; i < ETHER_ADDR_LEN; i++)
enaddr[i] = defaultmac[i];
#else
/* FUNCE is not after FUNCID, so we gotta go find it */
if (tuple->code != 0x22)
return (0);
/* Make sure this is a sane node */
if (tuple->length < ETHER_ADDR_LEN + 3)
return (0);
/* Copy the MAC ADDR and return success */
for (i = 0; i < ETHER_ADDR_LEN; i++)
enaddr[i] = pccard_tuple_read_1(tuple, i + 3);
#endif
return (1);
}
/*
* Probe and initialization for TDK/CONTEC PCMCIA Ethernet interface.
* by MASUI Kenji <masui@cs.titech.ac.jp>
*
* (Contec uses TDK Ethernet chip -- hosokawa)
*
* This version of fe_probe_tdk has been rewrote to handle
* *generic* PC Card implementation of Fujitsu MB8696x family. The
* name _tdk is just for a historical reason. :-)
*/
static int
fe_probe_tdk (device_t dev, const struct fe_pccard_product *pp)
{
struct fe_softc *sc = device_get_softc(dev);
static struct fe_simple_probe_struct probe_table [] = {
{ FE_DLCR2, 0x10, 0x00 },
{ FE_DLCR4, 0x08, 0x00 },
/* { FE_DLCR5, 0x80, 0x00 }, Does not work well. */
{ 0 }
};
/* C-NET(PC)C occupies 16 I/O addresses. */
if (fe_alloc_port(dev, 16))
return ENXIO;
/* Fill the softc struct with default values. */
fe_softc_defaults(sc);
/*
* See if C-NET(PC)C is on its address.
*/
if (!fe_simple_probe(sc, probe_table))
return ENXIO;
/* Determine the card type. */
sc->type = FE_TYPE_TDK;
sc->typestr = "Generic MB8696x/78Q837x Ethernet (PCMCIA)";
pccard_get_ether(dev, sc->enaddr);
/* Make sure we got a valid station address. */
if (!fe_valid_Ether_p(sc->enaddr, 0)) {
pccard_cis_scan(dev, fe_pccard_xircom_mac, sc->enaddr);
}
/* Make sure we got a valid station address. */
if (!fe_valid_Ether_p(sc->enaddr, 0))
return ENXIO;
return 0;
}