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NetBSD/sys/dev/pcmcia/xirc.c

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/* $NetBSD: xirc.c,v 1.23 2008/04/05 21:31:23 cegger Exp $ */
/*-
* Copyright (c) 1999, 2000, 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center and by Charles M. Hannum.
*
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: xirc.c,v 1.23 2008/04/05 21:31:23 cegger Exp $");
#include "opt_inet.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/tty.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_ether.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_inarp.h>
#endif
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
#include <sys/intr.h>
#include <sys/bus.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>
#include "xirc.h"
#if NCOM_XIRC > 0
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#endif
#if NXI_XIRC > 0
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/pcmcia/if_xivar.h>
#endif
#include <dev/pcmcia/if_xireg.h>
struct xirc_softc {
struct device sc_dev; /* generic device glue */
struct pcmcia_function *sc_pf; /* our PCMCIA function */
void *sc_ih; /* interrupt handle */
u_int16_t sc_id;
u_int8_t sc_mako_intmask;
int sc_chipset;
/*
* Data for the Modem portion.
*/
struct device *sc_modem;
struct pcmcia_io_handle sc_modem_pcioh;
int sc_modem_io_window;
/*
* Data for the Ethernet portion.
*/
struct device *sc_ethernet;
struct pcmcia_io_handle sc_ethernet_pcioh;
int sc_ethernet_io_window;
int sc_flags;
#define XIRC_MODEM_MAPPED 0x01
#define XIRC_ETHERNET_MAPPED 0x02
#define XIRC_MODEM_ENABLED 0x04
#define XIRC_ETHERNET_ENABLED 0x08
#define XIRC_MODEM_ALLOCED 0x10
#define XIRC_ETHERNET_ALLOCED 0x20
};
int xirc_match(struct device *, struct cfdata *, void *);
void xirc_attach(struct device *, struct device *, void *);
int xirc_detach(struct device *, int);
int xirc_activate(struct device *, enum devact);
CFATTACH_DECL(xirc, sizeof(struct xirc_softc),
xirc_match, xirc_attach, xirc_detach, xirc_activate);
int xirc_print(void *, const char *);
int xirc_manfid_ciscallback(struct pcmcia_tuple *, void *);
struct pcmcia_config_entry *
xirc_mako_alloc(struct xirc_softc *);
struct pcmcia_config_entry *
xirc_dingo_alloc_modem(struct xirc_softc *);
struct pcmcia_config_entry *
xirc_dingo_alloc_ethernet(struct xirc_softc *);
int xirc_enable(struct xirc_softc *, int, int);
void xirc_disable(struct xirc_softc *, int, int);
int xirc_intr(void *);
int
xirc_match(struct device *parent, struct cfdata *match,
void *aux)
{
struct pcmcia_attach_args *pa = aux;
/* XXX Toshiba, Accton */
if (pa->manufacturer == PCMCIA_VENDOR_COMPAQ2 &&
pa->product == PCMCIA_PRODUCT_COMPAQ2_CPQ_10_100)
return (1);
if (pa->manufacturer == PCMCIA_VENDOR_INTEL &&
pa->product == PCMCIA_PRODUCT_INTEL_EEPRO100)
return (1);
if (pa->manufacturer == PCMCIA_VENDOR_XIRCOM &&
(pa->product & (XIMEDIA_ETHER << 8)) != 0)
return (2);
return (0);
}
void
xirc_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct xirc_softc *sc = (void *)self;
struct pcmcia_attach_args *pa = aux;
struct pcmcia_config_entry *cfe;
int rv;
int error;
sc->sc_pf = pa->pf;
pcmcia_socket_enable(parent);
rv = pcmcia_scan_cis(parent, xirc_manfid_ciscallback, &sc->sc_id);
pcmcia_socket_disable(parent);
if (!rv) {
aprint_error_dev(self, "failed to find ID\n");
return;
}
switch (sc->sc_id & 0x100f) {
case 0x0001: /* CE */
case 0x0002: /* CE2 */
sc->sc_chipset = XI_CHIPSET_SCIPPER;
break;
case 0x0003: /* CE3 */
sc->sc_chipset = XI_CHIPSET_MOHAWK;
break;
case 0x1001:
case 0x1002:
case 0x1003:
case 0x1004:
sc->sc_chipset = XI_CHIPSET_SCIPPER;
break;
case 0x1005:
sc->sc_chipset = XI_CHIPSET_MOHAWK;
break;
case 0x1006:
case 0x1007:
sc->sc_chipset = XI_CHIPSET_DINGO;
break;
default:
aprint_error_dev(self, "unknown ID %04x\n",
sc->sc_id);
return;
}
aprint_normal_dev(self, "id=%04x\n", sc->sc_id);
if (sc->sc_id & (XIMEDIA_MODEM << 8)) {
if (sc->sc_chipset >= XI_CHIPSET_DINGO) {
cfe = xirc_dingo_alloc_modem(sc);
if (cfe && sc->sc_id & (XIMEDIA_ETHER << 8)) {
if (!xirc_dingo_alloc_ethernet(sc)) {
pcmcia_io_free(pa->pf,
&sc->sc_modem_pcioh);
cfe = 0;
}
}
} else
cfe = xirc_mako_alloc(sc);
} else
cfe = xirc_dingo_alloc_ethernet(sc);
if (!cfe) {
aprint_error_dev(self, "failed to allocate I/O space\n");
goto fail;
}
/* Enable the card. */
pcmcia_function_init(pa->pf, cfe);
if (sc->sc_id & (XIMEDIA_MODEM << 8)) {
if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_IO8,
&sc->sc_modem_pcioh, &sc->sc_modem_io_window)) {
aprint_error_dev(self, "unable to map I/O space\n");
goto fail;
}
sc->sc_flags |= XIRC_MODEM_MAPPED;
}
if (sc->sc_id & (XIMEDIA_ETHER << 8)) {
if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_AUTO,
&sc->sc_ethernet_pcioh, &sc->sc_ethernet_io_window)) {
aprint_error_dev(self, "unable to map I/O space\n");
goto fail;
}
sc->sc_flags |= XIRC_ETHERNET_MAPPED;
}
error = xirc_enable(sc, XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED,
sc->sc_id & (XIMEDIA_MODEM|XIMEDIA_ETHER));
if (error)
goto fail;
sc->sc_mako_intmask = 0xee;
if (sc->sc_id & (XIMEDIA_MODEM << 8))
/*XXXUNCONST*/
sc->sc_modem = config_found(self, __UNCONST("com"), xirc_print);
if (sc->sc_id & (XIMEDIA_ETHER << 8))
/*XXXUNCONST*/
sc->sc_ethernet = config_found(self, __UNCONST("xi"),
xirc_print);
xirc_disable(sc, XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED,
sc->sc_id & (XIMEDIA_MODEM|XIMEDIA_ETHER));
return;
fail:
/* I/O spaces will be freed by detach. */
;
}
int
xirc_manfid_ciscallback(tuple, arg)
struct pcmcia_tuple *tuple;
void *arg;
{
u_int16_t *id = arg;
if (tuple->code != PCMCIA_CISTPL_MANFID)
return (0);
if (tuple->length < 5)
return (0);
*id = (pcmcia_tuple_read_1(tuple, 3) << 8) |
pcmcia_tuple_read_1(tuple, 4);
return (1);
}
struct pcmcia_config_entry *
xirc_mako_alloc(sc)
struct xirc_softc *sc;
{
struct pcmcia_config_entry *cfe;
SIMPLEQ_FOREACH(cfe, &sc->sc_pf->cfe_head, cfe_list) {
if (cfe->num_iospace != 1)
continue;
if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[0].start,
cfe->iospace[0].length, cfe->iospace[0].length,
&sc->sc_modem_pcioh))
continue;
cfe->iospace[1].start = cfe->iospace[0].start+8;
cfe->iospace[1].length = 18;
if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[1].start,
cfe->iospace[1].length, 0x20,
&sc->sc_ethernet_pcioh)) {
cfe->iospace[1].start = cfe->iospace[0].start-24;
if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[1].start,
cfe->iospace[1].length, 0x20,
&sc->sc_ethernet_pcioh))
continue;
}
/* Found one! */
sc->sc_flags |= XIRC_MODEM_ALLOCED;
sc->sc_flags |= XIRC_ETHERNET_ALLOCED;
return (cfe);
}
return (0);
}
struct pcmcia_config_entry *
xirc_dingo_alloc_modem(sc)
struct xirc_softc *sc;
{
struct pcmcia_config_entry *cfe;
SIMPLEQ_FOREACH(cfe, &sc->sc_pf->cfe_head, cfe_list) {
if (cfe->num_iospace != 1)
continue;
if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[0].start,
cfe->iospace[0].length, cfe->iospace[0].length,
&sc->sc_modem_pcioh))
continue;
/* Found one! */
sc->sc_flags |= XIRC_MODEM_ALLOCED;
return (cfe);
}
return (0);
}
struct pcmcia_config_entry *
xirc_dingo_alloc_ethernet(sc)
struct xirc_softc *sc;
{
struct pcmcia_config_entry *cfe;
bus_addr_t port;
for (port = 0x300; port < 0x400; port += XI_IOSIZE) {
if (pcmcia_io_alloc(sc->sc_pf, port,
XI_IOSIZE, XI_IOSIZE, &sc->sc_ethernet_pcioh))
continue;
/* Found one for the ethernet! */
sc->sc_flags |= XIRC_ETHERNET_ALLOCED;
cfe = SIMPLEQ_FIRST(&sc->sc_pf->cfe_head);
return (cfe);
}
return (0);
}
int
xirc_print(aux, pnp)
void *aux;
const char *pnp;
{
const char *name = aux;
if (pnp)
aprint_normal("%s at %s(*)", name, pnp);
return (UNCONF);
}
int
xirc_detach(self, flags)
struct device *self;
int flags;
{
struct xirc_softc *sc = (void *)self;
int rv;
if (sc->sc_ethernet != NULL) {
rv = config_detach(sc->sc_ethernet, flags);
if (rv != 0)
return (rv);
sc->sc_ethernet = NULL;
}
if (sc->sc_modem != NULL) {
rv = config_detach(sc->sc_modem, flags);
if (rv != 0)
return (rv);
sc->sc_modem = NULL;
}
/* Unmap our i/o windows. */
if (sc->sc_flags & XIRC_ETHERNET_MAPPED)
pcmcia_io_unmap(sc->sc_pf, sc->sc_ethernet_io_window);
if (sc->sc_flags & XIRC_MODEM_MAPPED)
pcmcia_io_unmap(sc->sc_pf, sc->sc_modem_io_window);
/* Free our i/o spaces. */
if (sc->sc_flags & XIRC_ETHERNET_ALLOCED)
pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh);
if (sc->sc_flags & XIRC_MODEM_ALLOCED)
pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh);
sc->sc_flags = 0;
return (0);
}
int
xirc_activate(self, act)
struct device *self;
enum devact act;
{
struct xirc_softc *sc = (void *)self;
int s, rv = 0;
s = splhigh();
switch (act) {
case DVACT_ACTIVATE:
rv = EOPNOTSUPP;
break;
case DVACT_DEACTIVATE:
if (sc->sc_ethernet != NULL) {
rv = config_deactivate(sc->sc_ethernet);
if (rv != 0)
goto out;
}
if (sc->sc_modem != NULL) {
rv = config_deactivate(sc->sc_modem);
if (rv != 0)
goto out;
}
break;
}
out:
splx(s);
return (rv);
}
int
xirc_intr(arg)
void *arg;
{
struct xirc_softc *sc = arg;
int rval = 0;
#if NCOM_XIRC > 0
if (sc->sc_modem != NULL &&
(sc->sc_flags & XIRC_MODEM_ENABLED) != 0)
rval |= comintr(sc->sc_modem);
#endif
#if NXI_XIRC > 0
if (sc->sc_ethernet != NULL &&
(sc->sc_flags & XIRC_ETHERNET_ENABLED) != 0)
rval |= xi_intr(sc->sc_ethernet);
#endif
return (rval);
}
int
xirc_enable(sc, flag, media)
struct xirc_softc *sc;
int flag, media;
{
int error;
if ((sc->sc_flags & flag) == flag) {
printf("%s: already enabled\n", device_xname(&sc->sc_dev));
return (0);
}
if ((sc->sc_flags & (XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED)) != 0) {
sc->sc_flags |= flag;
return (0);
}
/*
* Establish our interrupt handler.
*
* XXX Note, we establish this at IPL_NET. This is suboptimal
* XXX the Modem portion, but is necessary to make the Ethernet
* XXX portion have the correct interrupt level semantics.
*
* XXX Eventually we should use the `enabled' bits in the
* XXX flags word to determine which level we should be at.
*/
sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET, xirc_intr, sc);
if (!sc->sc_ih)
return (EIO);
error = pcmcia_function_enable(sc->sc_pf);
if (error) {
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
sc->sc_ih = 0;
return (error);
}
sc->sc_flags |= flag;
if (sc->sc_chipset < XI_CHIPSET_DINGO &&
sc->sc_id & (XIMEDIA_MODEM << 8)) {
sc->sc_mako_intmask |= media;
bus_space_write_1(sc->sc_ethernet_pcioh.iot,
sc->sc_ethernet_pcioh.ioh, 0x10, sc->sc_mako_intmask);
}
return (0);
}
void
xirc_disable(sc, flag, media)
struct xirc_softc *sc;
int flag, media;
{
if ((sc->sc_flags & flag) == 0) {
printf("%s: already disabled\n", device_xname(&sc->sc_dev));
return;
}
if (sc->sc_chipset < XI_CHIPSET_DINGO &&
sc->sc_id & (XIMEDIA_MODEM << 8)) {
sc->sc_mako_intmask &= ~media;
bus_space_write_1(sc->sc_ethernet_pcioh.iot,
sc->sc_ethernet_pcioh.ioh, 0x10, sc->sc_mako_intmask);
}
sc->sc_flags &= ~flag;
if ((sc->sc_flags & (XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED)) != 0)
return;
pcmcia_function_disable(sc->sc_pf);
pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
sc->sc_ih = 0;
}
/****** Here begins the com attachment code. ******/
#if NCOM_XIRC > 0
int com_xirc_match(device_t, cfdata_t , void *);
void com_xirc_attach(device_t, device_t, void *);
int com_xirc_detach(device_t, int);
/* No xirc-specific goo in the softc; it's all in the parent. */
CFATTACH_DECL_NEW(com_xirc, sizeof(struct com_softc),
com_xirc_match, com_xirc_attach, com_detach, com_activate);
int com_xirc_enable(struct com_softc *);
void com_xirc_disable(struct com_softc *);
int
com_xirc_match(device_t parent, cfdata_t match, void *aux)
{
extern struct cfdriver com_cd;
const char *name = aux;
if (strcmp(name, com_cd.cd_name) == 0)
return (1);
return (0);
}
void
com_xirc_attach(device_t parent, device_t self, void *aux)
{
struct com_softc *sc = device_private(self);
struct xirc_softc *msc = device_private(parent);
sc->sc_dev = self;
aprint_normal("\n");
COM_INIT_REGS(sc->sc_regs,
msc->sc_modem_pcioh.iot,
msc->sc_modem_pcioh.ioh,
-1);
sc->enabled = 1;
sc->sc_frequency = COM_FREQ;
sc->enable = com_xirc_enable;
sc->disable = com_xirc_disable;
aprint_normal("%s", device_xname(self));
com_attach_subr(sc);
sc->enabled = 0;
}
int
com_xirc_enable(struct com_softc *sc)
{
struct xirc_softc *msc =
device_private(device_parent(sc->sc_dev));
return (xirc_enable(msc, XIRC_MODEM_ENABLED, XIMEDIA_MODEM));
}
void
com_xirc_disable(struct com_softc *sc)
{
struct xirc_softc *msc =
device_private(device_parent(sc->sc_dev));
xirc_disable(msc, XIRC_MODEM_ENABLED, XIMEDIA_MODEM);
}
#endif /* NCOM_XIRC > 0 */
/****** Here begins the xi attachment code. ******/
#if NXI_XIRC > 0
int xi_xirc_match(struct device *, struct cfdata *, void *);
void xi_xirc_attach(struct device *, struct device *, void *);
/* No xirc-specific goo in the softc; it's all in the parent. */
CFATTACH_DECL(xi_xirc, sizeof(struct xi_softc),
xi_xirc_match, xi_xirc_attach, xi_detach, xi_activate);
int xi_xirc_enable(struct xi_softc *);
void xi_xirc_disable(struct xi_softc *);
int xi_xirc_lan_nid_ciscallback(struct pcmcia_tuple *, void *);
int
xi_xirc_match(struct device *parent, struct cfdata *match,
void *aux)
{
extern struct cfdriver xi_cd;
const char *name = aux;
if (strcmp(name, xi_cd.cd_name) == 0)
return (1);
return (0);
}
void
xi_xirc_attach(struct device *parent, struct device *self, void *aux)
{
struct xi_softc *sc = (void *)self;
struct xirc_softc *msc = (void *)parent;
u_int8_t myla[ETHER_ADDR_LEN];
aprint_normal("\n");
sc->sc_bst = msc->sc_ethernet_pcioh.iot;
sc->sc_bsh = msc->sc_ethernet_pcioh.ioh;
sc->sc_chipset = msc->sc_chipset;
sc->sc_enable = xi_xirc_enable;
sc->sc_disable = xi_xirc_disable;
if (!pcmcia_scan_cis(device_parent(&msc->sc_dev),
xi_xirc_lan_nid_ciscallback, myla)) {
aprint_error_dev(self, "can't find MAC address\n");
return;
}
/* Perform generic initialization. */
xi_attach(sc, myla);
}
int
xi_xirc_enable(sc)
struct xi_softc *sc;
{
struct xirc_softc *msc =
(struct xirc_softc *)device_parent(&sc->sc_dev);
return (xirc_enable(msc, XIRC_ETHERNET_ENABLED, XIMEDIA_ETHER));
}
void
xi_xirc_disable(sc)
struct xi_softc *sc;
{
struct xirc_softc *msc =
(struct xirc_softc *)device_parent(&sc->sc_dev);
xirc_disable(msc, XIRC_ETHERNET_ENABLED, XIMEDIA_ETHER);
}
int
xi_xirc_lan_nid_ciscallback(tuple, arg)
struct pcmcia_tuple *tuple;
void *arg;
{
u_int8_t *myla = arg;
int i;
if (tuple->length < 2)
return (0);
switch (tuple->code) {
case PCMCIA_CISTPL_FUNCE:
switch (pcmcia_tuple_read_1(tuple, 0)) {
case PCMCIA_TPLFE_TYPE_LAN_NID:
if (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)
return (0);
for (i = 0; i < ETHER_ADDR_LEN; i++)
myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
return (1);
case 0x02:
/*
* Not sure about this, I don't have a CE2
* that puts the ethernet addr here.
*/
if (pcmcia_tuple_read_1(tuple, 1) != 0x01 ||
pcmcia_tuple_read_1(tuple, 2) != ETHER_ADDR_LEN)
return (0);
for (i = 0; i < ETHER_ADDR_LEN; i++)
myla[i] = pcmcia_tuple_read_1(tuple, i + 3);
return (1);
}
case 0x89:
if (pcmcia_tuple_read_1(tuple, 0) != 0x04 ||
pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)
return (0);
for (i = 0; i < ETHER_ADDR_LEN; i++)
myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
return (1);
}
return (0);
}
#endif /* NXI_XIRC > 0 */
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