freebsd-dev/sys/dev/sn/if_sn_pccard.c

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/*-
* Copyright (c) 1999 M. Warner Losh <imp@village.org>
* 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 ``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 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.
*/
/*
* Modifications for Megahertz X-Jack Ethernet Card (XJ-10BT)
*
* Copyright (c) 1996 by Tatsumi Hosokawa <hosokawa@jp.FreeBSD.org>
* BSD-nomads, Tokyo, Japan.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
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#include <sys/module.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_arp.h>
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#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
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#include <dev/pccard/pccardvar.h>
#include <dev/pccard/pccard_cis.h>
#include <dev/sn/if_snreg.h>
#include <dev/sn/if_snvar.h>
#include "card_if.h"
#include "pccarddevs.h"
typedef int sn_get_enaddr_t(device_t dev, u_char *eaddr);
typedef int sn_activate_t(device_t dev);
struct sn_sw
{
int type;
#define SN_NORMAL 1
#define SN_MEGAHERTZ 2
#define SN_OSITECH 3
#define SN_OSI_SOD 4
#define SN_MOTO_MARINER 5
char *typestr;
sn_get_enaddr_t *get_mac;
sn_activate_t *activate;
};
static sn_get_enaddr_t sn_pccard_normal_get_mac;
static sn_activate_t sn_pccard_normal_activate;
const static struct sn_sw sn_normal_sw = {
SN_NORMAL, "plain",
sn_pccard_normal_get_mac,
sn_pccard_normal_activate
};
static sn_get_enaddr_t sn_pccard_megahertz_get_mac;
static sn_activate_t sn_pccard_megahertz_activate;
const static struct sn_sw sn_mhz_sw = {
SN_MEGAHERTZ, "Megahertz",
sn_pccard_megahertz_get_mac,
sn_pccard_megahertz_activate
};
static const struct sn_product {
struct pccard_product prod;
const struct sn_sw *sw;
} sn_pccard_products[] = {
{ PCMCIA_CARD(DSPSI, XJEM1144), &sn_mhz_sw },
{ PCMCIA_CARD(DSPSI, XJACK), &sn_normal_sw },
/* { PCMCIA_CARD(MOTOROLA, MARINER), SN_MOTO_MARINER }, */
{ PCMCIA_CARD(NEWMEDIA, BASICS), &sn_normal_sw },
{ PCMCIA_CARD(MEGAHERTZ, VARIOUS), &sn_mhz_sw},
{ PCMCIA_CARD(MEGAHERTZ, XJEM3336), &sn_mhz_sw},
/* { PCMCIA_CARD(OSITECH, TRUMP_SOD), SN_OSI_SOD }, */
/* { PCMCIA_CARD(OSITECH, TRUMP_JOH), SN_OSITECH }, */
/* { PCMCIA_CARD(PSION, GOLDCARD), SN_OSITECH }, */
/* { PCMCIA_CARD(PSION, NETGLOBAL), SNI_OSI_SOD }, */
/* { PCMCIA_CARD(PSION, NETGLOBAL2), SN_OSITECH }, */
{ PCMCIA_CARD(SMC, 8020BT), &sn_normal_sw },
{ PCMCIA_CARD(SMC, SMC91C96), &sn_normal_sw },
{ { NULL } }
};
static const struct sn_product *
sn_pccard_lookup(device_t dev)
{
return ((const struct sn_product *)
pccard_product_lookup(dev,
(const struct pccard_product *)sn_pccard_products,
sizeof(sn_pccard_products[0]), NULL));
}
static int
sn_pccard_probe(device_t dev)
{
const struct sn_product *pp;
if ((pp = sn_pccard_lookup(dev)) != NULL) {
if (pp->prod.pp_name != NULL)
device_set_desc(dev, pp->prod.pp_name);
return 0;
}
return EIO;
}
static int
sn_pccard_ascii_enaddr(const char *str, u_char *enet)
{
uint8_t digit;
int i;
memset(enet, 0, ETHER_ADDR_LEN);
for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
if (str[i] >= '0' && str[i] <= '9')
digit |= str[i] - '0';
else if (str[i] >= 'a' && str[i] <= 'f')
digit |= (str[i] - 'a') + 10;
else if (str[i] >= 'A' && str[i] <= 'F')
digit |= (str[i] - 'A') + 10;
else
return (0); /* Bogus digit!! */
/* Compensate for ordering of digits. */
if (i & 1) {
enet[i >> 1] = digit;
digit = 0;
} else
digit <<= 4;
}
return (1);
}
static int
sn_pccard_normal_get_mac(device_t dev, u_char *eaddr)
{
int i, sum;
const char *cisstr;
pccard_get_ether(dev, eaddr);
for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
sum |= eaddr[i];
if (sum == 0) {
pccard_get_cis3_str(dev, &cisstr);
if (cisstr && strlen(cisstr) == ETHER_ADDR_LEN * 2)
sum = sn_pccard_ascii_enaddr(cisstr, eaddr);
}
if (sum == 0) {
pccard_get_cis4_str(dev, &cisstr);
if (cisstr && strlen(cisstr) == ETHER_ADDR_LEN * 2)
sum = sn_pccard_ascii_enaddr(cisstr, eaddr);
}
return sum;
}
static int
sn_pccard_normal_activate(device_t dev)
{
int err;
err = sn_activate(dev);
if (err)
sn_deactivate(dev);
return (err);
}
static int
sn_pccard_megahertz_mac(const struct pccard_tuple *tuple, void *argp)
{
uint8_t *enaddr = argp;
int i;
uint8_t buffer[ETHER_ADDR_LEN * 2];
/* Code 0x81 is Megahertz' special cis node contianing the MAC */
if (tuple->code != 0x81)
return (0);
/* Make sure this is a sane node, as ASCII digits */
if (tuple->length != ETHER_ADDR_LEN * 2 + 1)
return (0);
/* Copy the MAC ADDR and return success if decoded */
for (i = 0; i < ETHER_ADDR_LEN * 2; i++)
buffer[i] = pccard_tuple_read_1(tuple, i);
return (sn_pccard_ascii_enaddr(buffer, enaddr));
}
static int
sn_pccard_megahertz_get_mac(device_t dev, u_char *eaddr)
{
if (sn_pccard_normal_get_mac(dev, eaddr))
return 1;
/*
* If that fails, try the special CIS tuple 0x81 that the
* '3288 and '3336 cards have. That tuple specifies an ASCII
* string, ala CIS3 or CIS4 in the 'normal' cards.
*/
return (pccard_cis_scan(dev, sn_pccard_megahertz_mac, eaddr));
}
static int
sn_pccard_megahertz_activate(device_t dev)
{
int err;
struct sn_softc *sc = device_get_softc(dev);
u_long start;
err = sn_activate(dev);
if (err) {
sn_deactivate(dev);
return (err);
}
/*
* CIS resource is the modem one, so save it away.
*/
sc->modem_rid = sc->port_rid;
sc->modem_res = sc->port_res;
/*
* The MHz XJEM/CCEM series of cards just need to have any
* old resource allocated for the ethernet side of things,
* provided bit 0x80 isn't set in the address. That bit is
* evidentially reserved for modem function and is how the
* card steers the addresses internally.
*/
sc->port_res = NULL;
start = 0;
do
{
sc->port_rid = 1;
sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
&sc->port_rid, start, ~0, SMC_IO_EXTENT, RF_ACTIVE);
if (sc->port_res == NULL)
break;
if (!(rman_get_start(sc->port_res) & 0x80))
break;
start = rman_get_start(sc->port_res) + SMC_IO_EXTENT;
bus_release_resource(dev, SYS_RES_IOPORT, sc->port_rid,
sc->port_res);
} while (start < 0xff80);
if (sc->port_res == NULL) {
sn_deactivate(dev);
return ENOMEM;
}
sc->bst = rman_get_bustag(sc->port_res);
sc->bsh = rman_get_bushandle(sc->port_res);
return 0;
}
static int
sn_pccard_attach(device_t dev)
{
struct sn_softc *sc = device_get_softc(dev);
u_char eaddr[ETHER_ADDR_LEN];
int i, err;
uint16_t w;
u_char sum;
const struct sn_product *pp;
pp = sn_pccard_lookup(dev);
sum = pp->sw->get_mac(dev, eaddr);
/* Allocate resources so we can program the ether addr */
sc->dev = dev;
err = pp->sw->activate(dev);
if (err != 0)
return (err);
if (sum) {
printf("Programming sn card's addr\n");
SMC_SELECT_BANK(sc, 1);
for (i = 0; i < 3; i++) {
w = (uint16_t)eaddr[i * 2] |
(((uint16_t)eaddr[i * 2 + 1]) << 8);
CSR_WRITE_2(sc, IAR_ADDR0_REG_W + i * 2, w);
}
}
err = sn_attach(dev);
if (err)
sn_deactivate(dev);
return (err);
}
static device_method_t sn_pccard_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, sn_pccard_probe),
DEVMETHOD(device_attach, sn_pccard_attach),
DEVMETHOD(device_detach, sn_detach),
{ 0, 0 }
};
static driver_t sn_pccard_driver = {
"sn",
sn_pccard_methods,
sizeof(struct sn_softc),
};
extern devclass_t sn_devclass;
DRIVER_MODULE(sn, pccard, sn_pccard_driver, sn_devclass, 0, 0);
MODULE_DEPEND(sn, ether, 1, 1, 1);