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freebsd-dev/sys/dev/xe/if_xe_pccard.c

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/*-
* Copyright (c) 2002 Takeshi Shibagaki
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
/* xe pccard interface driver */
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <net/if_mib.h>
#include <dev/xe/if_xereg.h>
#include <dev/xe/if_xevar.h>
#include <dev/pccard/pccardvar.h>
#include <dev/pccard/pccard_cis.h>
#include "card_if.h"
#include "pccarddevs.h"
/*
* Debug logging levels - set with hw.xe.debug sysctl
* 0 = None
* 1 = More hardware details, probe/attach progress
* 2 = Most function calls, ioctls and media selection progress
* 3 = Everything - interrupts, packets in/out and multicast address setup
*/
#define XE_DEBUG
#ifdef XE_DEBUG
extern int xe_debug;
#define DEVPRINTF(level, arg) if (xe_debug >= (level)) device_printf arg
#define DPRINTF(level, arg) if (xe_debug >= (level)) printf arg
#else
#define DEVPRINTF(level, arg)
#define DPRINTF(level, arg)
#endif
#define XE_CARD_TYPE_FLAGS_NO 0x0
#define XE_CARD_TYPE_FLAGS_CE2 0x1
#define XE_CARD_TYPE_FLAGS_MOHAWK 0x2
#define XE_CARD_TYPE_FLAGS_DINGO 0x4
#define XE_PROD_ETHER_MASK 0x0100
#define XE_PROD_MODEM_MASK 0x1000
#define XE_BOGUS_MAC_OFFSET 0x90
/* MAC vendor prefix used by most Xircom cards is 00:80:c7 */
#define XE_MAC_ADDR_0 0x00
#define XE_MAC_ADDR_1 0x80
#define XE_MAC_ADDR_2 0xc7
/* Some (all?) REM56 cards have vendor prefix 00:10:a4 */
#define XE_REM56_MAC_ADDR_0 0x00
#define XE_REM56_MAC_ADDR_1 0x10
#define XE_REM56_MAC_ADDR_2 0xa4
struct xe_pccard_product {
struct pccard_product product;
u_int16_t prodext;
u_int16_t flags;
};
static const struct xe_pccard_product xe_pccard_products[] = {
{ PCMCIA_CARD_D(ACCTON, EN2226, 0), 0x43, XE_CARD_TYPE_FLAGS_MOHAWK },
{ PCMCIA_CARD_D(COMPAQ2, CPQ_10_100, 0), 0x43, XE_CARD_TYPE_FLAGS_MOHAWK },
{ PCMCIA_CARD_D(INTEL, EEPRO100, 0), 0x43, XE_CARD_TYPE_FLAGS_MOHAWK },
{ PCMCIA_CARD_D(INTEL, PRO100LAN56, 0), 0x46, XE_CARD_TYPE_FLAGS_DINGO },
{ PCMCIA_CARD_D(XIRCOM, CE, 0), 0x41, XE_CARD_TYPE_FLAGS_NO },
{ PCMCIA_CARD_D(XIRCOM, CE2, 0), 0x41, XE_CARD_TYPE_FLAGS_CE2 },
{ PCMCIA_CARD_D(XIRCOM, CE2, 0), 0x42, XE_CARD_TYPE_FLAGS_CE2 },
{ PCMCIA_CARD_D(XIRCOM, CE2_2, 0), 0x41, XE_CARD_TYPE_FLAGS_CE2 },
{ PCMCIA_CARD_D(XIRCOM, CE2_2, 0), 0x42, XE_CARD_TYPE_FLAGS_CE2 },
{ PCMCIA_CARD_D(XIRCOM, CE3, 0), 0x43, XE_CARD_TYPE_FLAGS_MOHAWK },
{ PCMCIA_CARD_D(XIRCOM, CEM, 0), 0x41, XE_CARD_TYPE_FLAGS_NO },
{ PCMCIA_CARD_D(XIRCOM, CEM2, 0), 0x42, XE_CARD_TYPE_FLAGS_CE2 },
{ PCMCIA_CARD_D(XIRCOM, CEM28, 0), 0x43, XE_CARD_TYPE_FLAGS_CE2 },
{ PCMCIA_CARD_D(XIRCOM, CEM33, 0), 0x44, XE_CARD_TYPE_FLAGS_CE2 },
{ PCMCIA_CARD_D(XIRCOM, CEM33_2, 0), 0x44, XE_CARD_TYPE_FLAGS_CE2 },
{ PCMCIA_CARD_D(XIRCOM, CEM56, 0), 0x45, XE_CARD_TYPE_FLAGS_DINGO },
{ PCMCIA_CARD_D(XIRCOM, CEM56_2, 0), 0x46, XE_CARD_TYPE_FLAGS_DINGO },
{ PCMCIA_CARD_D(XIRCOM, REM56, 0), 0x46, XE_CARD_TYPE_FLAGS_DINGO },
{ PCMCIA_CARD_D(XIRCOM, REM10, 0), 0x47, XE_CARD_TYPE_FLAGS_DINGO },
{ PCMCIA_CARD_D(XIRCOM, XEM5600, 0), 0x56, XE_CARD_TYPE_FLAGS_DINGO },
{ { NULL }, 0, 0 }
};
/*
* Fixing for CEM2, CEM3 and CEM56/REM56 cards. These need some magic to
* enable the Ethernet function, which isn't mentioned anywhere in the CIS.
* Despite the register names, most of this isn't Dingo-specific.
*/
static int
xe_cemfix(device_t dev)
{
struct xe_softc *sc = (struct xe_softc *) device_get_softc(dev);
bus_space_tag_t bst;
bus_space_handle_t bsh;
struct resource *r;
int rid;
int ioport;
DEVPRINTF(2, (dev, "cemfix\n"));
DEVPRINTF(1, (dev, "CEM I/O port 0x%0lx, size 0x%0lx\n",
bus_get_resource_start(dev, SYS_RES_IOPORT, sc->port_rid),
bus_get_resource_count(dev, SYS_RES_IOPORT, sc->port_rid)));
rid = 0;
r = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0,
~0, 4 << 10, RF_ACTIVE);
if (!r) {
device_printf(dev, "cemfix: Can't map in attribute memory\n");
return (-1);
}
bsh = rman_get_bushandle(r);
bst = rman_get_bustag(r);
CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, rid,
PCCARD_A_MEM_ATTR);
bus_space_write_1(bst, bsh, DINGO_ECOR, DINGO_ECOR_IRQ_LEVEL |
DINGO_ECOR_INT_ENABLE |
DINGO_ECOR_IOB_ENABLE |
DINGO_ECOR_ETH_ENABLE);
ioport = bus_get_resource_start(dev, SYS_RES_IOPORT, sc->port_rid);
bus_space_write_1(bst, bsh, DINGO_EBAR0, ioport & 0xff);
bus_space_write_1(bst, bsh, DINGO_EBAR1, (ioport >> 8) & 0xff);
if (sc->dingo) {
bus_space_write_1(bst, bsh, DINGO_DCOR0, DINGO_DCOR0_SF_INT);
bus_space_write_1(bst, bsh, DINGO_DCOR1, DINGO_DCOR1_INT_LEVEL |
DINGO_DCOR1_EEDIO);
bus_space_write_1(bst, bsh, DINGO_DCOR2, 0x00);
bus_space_write_1(bst, bsh, DINGO_DCOR3, 0x00);
bus_space_write_1(bst, bsh, DINGO_DCOR4, 0x00);
}
bus_release_resource(dev, SYS_RES_MEMORY, rid, r);
/* success! */
return (0);
}
/*
* Fixing for CE2-class cards with bogus CIS entry for MAC address. This
* should be in a type 0x22 tuple, but some cards seem to use 0x89.
* This function looks for a sensible MAC address tuple starting at the given
* offset in attribute memory, ignoring the tuple type field.
*/
static int
xe_macfix(device_t dev, int offset)
{
struct xe_softc *sc = (struct xe_softc *) device_get_softc(dev);
bus_space_tag_t bst;
bus_space_handle_t bsh;
struct resource *r;
int rid, i;
u_int8_t cisdata[9];
u_int8_t required[6] = { 0x08, PCCARD_TPLFE_TYPE_LAN_NID, ETHER_ADDR_LEN,
XE_MAC_ADDR_0, XE_MAC_ADDR_1, XE_MAC_ADDR_2 };
DEVPRINTF(2, (dev, "macfix\n"));
rid = 0;
r = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0,
~0, 4 << 10, RF_ACTIVE);
if (!r) {
device_printf(dev, "macfix: Can't map in attribute memory\n");
return (-1);
}
bsh = rman_get_bushandle(r);
bst = rman_get_bustag(r);
CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY, rid,
PCCARD_A_MEM_ATTR);
/*
* Looking for (relative to offset):
*
* 0x00 0x?? Tuple type (ignored)
* 0x02 0x08 Tuple length (must be 8)
* 0x04 0x04 Address type? (must be 4)
* 0x06 0x06 Address length (must be 6)
* 0x08 0x00 Manufacturer ID, byte 1
* 0x0a 0x80 Manufacturer ID, byte 2
* 0x0c 0xc7 Manufacturer ID, byte 3
* 0x0e 0x?? Card ID, byte 1
* 0x10 0x?? Card ID, byte 2
* 0x12 0x?? Card ID, byte 3
*/
for (i = 0; i < 9; i++) {
cisdata[i] = bus_space_read_1(bst, bsh, offset + (2 * i) + 2);
if (i < 6 && required[i] != cisdata[i]) {
device_printf(dev, "macfix: Can't find valid MAC address\n");
bus_release_resource(dev, SYS_RES_MEMORY, rid, r);
return (-1);
}
}
for (i = 0; i < ETHER_ADDR_LEN; i++) {
sc->arpcom.ac_enaddr[i] = cisdata[i + 3];
}
bus_release_resource(dev, SYS_RES_MEMORY, rid, r);
/* success! */
return (0);
}
/*
* PCMCIA probe routine.
* Identify the device. Called from the bus driver when the card is
* inserted or otherwise powers up.
*/
static int
xe_pccard_probe(device_t dev)
{
struct xe_softc *scp = (struct xe_softc *) device_get_softc(dev);
u_int32_t vendor,product;
u_int16_t prodext;
const char* vendor_str = NULL;
const char* product_str = NULL;
const char* cis4_str = NULL;
const char *cis3_str=NULL;
const struct xe_pccard_product *xpp;
DEVPRINTF(2, (dev, "pccard_probe\n"));
pccard_get_vendor(dev, &vendor);
pccard_get_product(dev, &product);
pccard_get_prodext(dev, &prodext);
pccard_get_vendor_str(dev, &vendor_str);
pccard_get_product_str(dev, &product_str);
pccard_get_cis3_str(dev, &cis3_str);
pccard_get_cis4_str(dev, &cis4_str);
DEVPRINTF(1, (dev, "vendor = 0x%04x\n", vendor));
DEVPRINTF(1, (dev, "product = 0x%04x\n", product));
DEVPRINTF(1, (dev, "prodext = 0x%02x\n", prodext));
DEVPRINTF(1, (dev, "vendor_str = %s\n", vendor_str));
DEVPRINTF(1, (dev, "product_str = %s\n", product_str));
DEVPRINTF(1, (dev, "cis3_str = %s\n", cis3_str));
DEVPRINTF(1, (dev, "cis4_str = %s\n", cis4_str));
/*
* Possibly already did this search in xe_pccard_match(),
* but we need to do it here anyway to figure out which
* card we have.
*/
for (xpp = xe_pccard_products; xpp->product.pp_vendor != 0; xpp++) {
if (vendor == xpp->product.pp_vendor &&
product == xpp->product.pp_product &&
prodext == xpp->prodext)
break;
}
/* Found a match? */
if (xpp->product.pp_vendor == 0)
return (ENODEV);
/* Set card name for logging later */
if (xpp->product.pp_name != NULL)
device_set_desc(dev, xpp->product.pp_name);
/* Reject known but unsupported cards */
if (xpp->flags & XE_CARD_TYPE_FLAGS_NO) {
device_printf(dev, "Sorry, your %s %s card is not supported :(\n",
vendor_str, product_str);
return (ENODEV);
}
/* Set various card ID fields in softc */
scp->vendor = vendor_str;
scp->card_type = product_str;
if (xpp->flags & XE_CARD_TYPE_FLAGS_CE2)
scp->ce2 = 1;
if (xpp->flags & XE_CARD_TYPE_FLAGS_MOHAWK)
scp->mohawk = 1;
if (xpp->flags & XE_CARD_TYPE_FLAGS_DINGO) {
scp->dingo = 1;
scp->mohawk = 1;
}
if (xpp->product.pp_product & XE_PROD_MODEM_MASK)
scp->modem = 1;
/* Get MAC address */
pccard_get_ether(dev, scp->arpcom.ac_enaddr);
/* Deal with bogus MAC address */
if (xpp->product.pp_vendor == PCMCIA_VENDOR_XIRCOM
&& scp->ce2
&& (scp->arpcom.ac_enaddr[0] != XE_MAC_ADDR_0
|| scp->arpcom.ac_enaddr[1] != XE_MAC_ADDR_1
|| scp->arpcom.ac_enaddr[2] != XE_MAC_ADDR_2)
&& xe_macfix(dev, XE_BOGUS_MAC_OFFSET) < 0) {
device_printf(dev,
"Unable to find MAC address for your %s card\n",
scp->card_type);
return (ENODEV);
}
/* Success */
return (0);
}
/*
* Attach a device.
*/
static int
xe_pccard_attach(device_t dev)
{
struct xe_softc *scp = device_get_softc(dev);
int err;
DEVPRINTF(2, (dev, "pccard_attach\n"));
if ((err = xe_activate(dev)) != 0)
return (err);
/* Hack RealPorts into submission */
if (scp->modem && xe_cemfix(dev) < 0) {
device_printf(dev, "Unable to fix your %s %s combo card\n",
scp->vendor, scp->card_type);
xe_deactivate(dev);
return (ENODEV);
}
if ((err = xe_attach(dev))) {
device_printf(dev, "xe_attach() failed! (%d)\n", err);
return (err);
}
return (0);
}
/*
* The device entry is being removed, probably because someone ejected the
* card. The interface should have been brought down manually before calling
* this function; if not you may well lose packets. In any case, I shut down
* the card and the interface, and hope for the best.
*/
static int
xe_pccard_detach(device_t dev)
{
struct xe_softc *sc = device_get_softc(dev);
DEVPRINTF(2, (dev, "pccard_detach\n"));
sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING;
ether_ifdetach(&sc->arpcom.ac_if);
xe_deactivate(dev);
return (0);
}
static int
xe_pccard_product_match(device_t dev, const struct pccard_product* ent, int vpfmatch)
{
const struct xe_pccard_product* xpp;
u_int16_t prodext;
DEVPRINTF(2, (dev, "pccard_product_match\n"));
xpp = (const struct xe_pccard_product*)ent;
pccard_get_prodext(dev, &prodext);
if (xpp->prodext != prodext)
vpfmatch = 0;
else
vpfmatch++;
return (vpfmatch);
}
static int
xe_pccard_match(device_t dev)
{
int error = 0;
u_int32_t fcn = PCCARD_FUNCTION_UNSPEC;
const struct pccard_product *pp;
DEVPRINTF(2, (dev, "pccard_match\n"));
/* Make sure we're a network driver */
error = pccard_get_function(dev, &fcn);
if (error != 0)
return (error);
if (fcn != PCCARD_FUNCTION_NETWORK)
return (ENXIO);
/* If we match something in the table, it is our device. */
pp = (const struct pccard_product *)xe_pccard_products;
if ((pp = pccard_product_lookup(dev, pp,
sizeof(xe_pccard_products[0]), xe_pccard_product_match)) != NULL)
return (0);
return (EIO);
}
static device_method_t xe_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pccard_compat_probe),
DEVMETHOD(device_attach, pccard_compat_attach),
DEVMETHOD(device_detach, xe_pccard_detach),
/* Card interface */
DEVMETHOD(card_compat_match, xe_pccard_match),
DEVMETHOD(card_compat_probe, xe_pccard_probe),
DEVMETHOD(card_compat_attach, xe_pccard_attach),
{ 0, 0 }
};
static driver_t xe_pccard_driver = {
"xe",
xe_pccard_methods,
sizeof(struct xe_softc),
};
devclass_t xe_devclass;
DRIVER_MODULE(xe, pccard, xe_pccard_driver, xe_devclass, 0, 0);
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