332 lines
8.5 KiB
C
332 lines
8.5 KiB
C
/*-
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* Copyright (c) 1999 M. Warner Losh <imp@village.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Modifications for Megahertz X-Jack Ethernet Card (XJ-10BT)
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*
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* Copyright (c) 1996 by Tatsumi Hosokawa <hosokawa@jp.FreeBSD.org>
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* BSD-nomads, Tokyo, Japan.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <dev/pccard/pccardvar.h>
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#include <dev/pccard/pccard_cis.h>
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#include <dev/sn/if_snreg.h>
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#include <dev/sn/if_snvar.h>
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#include "card_if.h"
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#include "pccarddevs.h"
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typedef int sn_get_enaddr_t(device_t dev, u_char *eaddr);
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typedef int sn_activate_t(device_t dev);
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struct sn_sw
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{
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int type;
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#define SN_NORMAL 1
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#define SN_MEGAHERTZ 2
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#define SN_OSITECH 3
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#define SN_OSI_SOD 4
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#define SN_MOTO_MARINER 5
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char *typestr;
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sn_get_enaddr_t *get_mac;
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sn_activate_t *activate;
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};
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static sn_get_enaddr_t sn_pccard_normal_get_mac;
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static sn_activate_t sn_pccard_normal_activate;
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const static struct sn_sw sn_normal_sw = {
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SN_NORMAL, "plain",
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sn_pccard_normal_get_mac,
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sn_pccard_normal_activate
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};
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static sn_get_enaddr_t sn_pccard_megahertz_get_mac;
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static sn_activate_t sn_pccard_megahertz_activate;
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const static struct sn_sw sn_mhz_sw = {
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SN_MEGAHERTZ, "Megahertz",
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sn_pccard_megahertz_get_mac,
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sn_pccard_megahertz_activate
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};
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static const struct sn_product {
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struct pccard_product prod;
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const struct sn_sw *sw;
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} sn_pccard_products[] = {
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{ PCMCIA_CARD(DSPSI, XJEM1144), &sn_mhz_sw },
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{ PCMCIA_CARD(DSPSI, XJACK), &sn_normal_sw },
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/* { PCMCIA_CARD(MOTOROLA, MARINER), SN_MOTO_MARINER }, */
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{ PCMCIA_CARD(NEWMEDIA, BASICS), &sn_normal_sw },
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{ PCMCIA_CARD(MEGAHERTZ, VARIOUS), &sn_mhz_sw},
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{ PCMCIA_CARD(MEGAHERTZ, XJEM3336), &sn_mhz_sw},
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/* { PCMCIA_CARD(OSITECH, TRUMP_SOD), SN_OSI_SOD }, */
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/* { PCMCIA_CARD(OSITECH, TRUMP_JOH), SN_OSITECH }, */
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/* { PCMCIA_CARD(PSION, GOLDCARD), SN_OSITECH }, */
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/* { PCMCIA_CARD(PSION, NETGLOBAL), SNI_OSI_SOD }, */
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/* { PCMCIA_CARD(PSION, NETGLOBAL2), SN_OSITECH }, */
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{ PCMCIA_CARD(SMC, 8020BT), &sn_normal_sw },
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{ PCMCIA_CARD(SMC, SMC91C96), &sn_normal_sw },
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{ { NULL } }
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};
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static const struct sn_product *
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sn_pccard_lookup(device_t dev)
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{
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return ((const struct sn_product *)
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pccard_product_lookup(dev,
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(const struct pccard_product *)sn_pccard_products,
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sizeof(sn_pccard_products[0]), NULL));
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}
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static int
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sn_pccard_probe(device_t dev)
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{
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const struct sn_product *pp;
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if ((pp = sn_pccard_lookup(dev)) != NULL) {
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if (pp->prod.pp_name != NULL)
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device_set_desc(dev, pp->prod.pp_name);
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return 0;
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}
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return EIO;
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}
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static int
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sn_pccard_ascii_enaddr(const char *str, u_char *enet)
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{
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uint8_t digit;
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int i;
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memset(enet, 0, ETHER_ADDR_LEN);
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for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
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if (str[i] >= '0' && str[i] <= '9')
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digit |= str[i] - '0';
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else if (str[i] >= 'a' && str[i] <= 'f')
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digit |= (str[i] - 'a') + 10;
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else if (str[i] >= 'A' && str[i] <= 'F')
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digit |= (str[i] - 'A') + 10;
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else
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return (0); /* Bogus digit!! */
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/* Compensate for ordering of digits. */
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if (i & 1) {
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enet[i >> 1] = digit;
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digit = 0;
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} else
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digit <<= 4;
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}
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return (1);
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}
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static int
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sn_pccard_normal_get_mac(device_t dev, u_char *eaddr)
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{
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int i, sum;
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const char *cisstr;
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pccard_get_ether(dev, eaddr);
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for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
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sum |= eaddr[i];
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if (sum == 0) {
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pccard_get_cis3_str(dev, &cisstr);
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if (cisstr && strlen(cisstr) == ETHER_ADDR_LEN * 2)
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sum = sn_pccard_ascii_enaddr(cisstr, eaddr);
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}
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if (sum == 0) {
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pccard_get_cis4_str(dev, &cisstr);
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if (cisstr && strlen(cisstr) == ETHER_ADDR_LEN * 2)
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sum = sn_pccard_ascii_enaddr(cisstr, eaddr);
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}
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return sum;
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}
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static int
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sn_pccard_normal_activate(device_t dev)
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{
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int err;
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err = sn_activate(dev);
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if (err)
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sn_deactivate(dev);
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return (err);
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}
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static int
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sn_pccard_megahertz_mac(const struct pccard_tuple *tuple, void *argp)
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{
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uint8_t *enaddr = argp;
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int i;
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uint8_t buffer[ETHER_ADDR_LEN * 2];
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/* Code 0x81 is Megahertz' special cis node contianing the MAC */
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if (tuple->code != 0x81)
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return (0);
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/* Make sure this is a sane node, as ASCII digits */
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if (tuple->length != ETHER_ADDR_LEN * 2 + 1)
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return (0);
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/* Copy the MAC ADDR and return success if decoded */
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for (i = 0; i < ETHER_ADDR_LEN * 2; i++)
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buffer[i] = pccard_tuple_read_1(tuple, i);
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return (sn_pccard_ascii_enaddr(buffer, enaddr));
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}
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static int
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sn_pccard_megahertz_get_mac(device_t dev, u_char *eaddr)
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{
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if (sn_pccard_normal_get_mac(dev, eaddr))
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return 1;
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/*
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* If that fails, try the special CIS tuple 0x81 that the
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* '3288 and '3336 cards have. That tuple specifies an ASCII
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* string, ala CIS3 or CIS4 in the 'normal' cards.
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*/
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return (pccard_cis_scan(dev, sn_pccard_megahertz_mac, eaddr));
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}
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static int
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sn_pccard_megahertz_activate(device_t dev)
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{
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int err;
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struct sn_softc *sc = device_get_softc(dev);
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u_long start;
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err = sn_activate(dev);
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if (err) {
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sn_deactivate(dev);
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return (err);
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}
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/*
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* CIS resource is the modem one, so save it away.
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*/
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sc->modem_rid = sc->port_rid;
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sc->modem_res = sc->port_res;
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/*
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* The MHz XJEM/CCEM series of cards just need to have any
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* old resource allocated for the ethernet side of things,
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* provided bit 0x80 isn't set in the address. That bit is
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* evidentially reserved for modem function and is how the
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* card steers the addresses internally.
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*/
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sc->port_res = NULL;
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start = 0;
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do
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{
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sc->port_rid = 1;
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sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
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&sc->port_rid, start, ~0, SMC_IO_EXTENT, RF_ACTIVE);
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if (sc->port_res == NULL)
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break;
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if (!(rman_get_start(sc->port_res) & 0x80))
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break;
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start = rman_get_start(sc->port_res) + SMC_IO_EXTENT;
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bus_release_resource(dev, SYS_RES_IOPORT, sc->port_rid,
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sc->port_res);
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} while (start < 0xff80);
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if (sc->port_res == NULL) {
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sn_deactivate(dev);
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return ENOMEM;
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}
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sc->bst = rman_get_bustag(sc->port_res);
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sc->bsh = rman_get_bushandle(sc->port_res);
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return 0;
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}
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static int
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sn_pccard_attach(device_t dev)
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{
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struct sn_softc *sc = device_get_softc(dev);
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u_char eaddr[ETHER_ADDR_LEN];
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int i, err;
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uint16_t w;
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u_char sum;
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const struct sn_product *pp;
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pp = sn_pccard_lookup(dev);
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sum = pp->sw->get_mac(dev, eaddr);
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/* Allocate resources so we can program the ether addr */
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sc->dev = dev;
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err = pp->sw->activate(dev);
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if (err != 0)
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return (err);
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if (sum) {
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printf("Programming sn card's addr\n");
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SMC_SELECT_BANK(sc, 1);
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for (i = 0; i < 3; i++) {
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w = (uint16_t)eaddr[i * 2] |
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(((uint16_t)eaddr[i * 2 + 1]) << 8);
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CSR_WRITE_2(sc, IAR_ADDR0_REG_W + i * 2, w);
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}
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}
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err = sn_attach(dev);
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if (err)
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sn_deactivate(dev);
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return (err);
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}
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static device_method_t sn_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, sn_pccard_probe),
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DEVMETHOD(device_attach, sn_pccard_attach),
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DEVMETHOD(device_detach, sn_detach),
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{ 0, 0 }
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};
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static driver_t sn_pccard_driver = {
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"sn",
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sn_pccard_methods,
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sizeof(struct sn_softc),
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};
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extern devclass_t sn_devclass;
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DRIVER_MODULE(sn, pccard, sn_pccard_driver, sn_devclass, 0, 0);
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MODULE_DEPEND(sn, ether, 1, 1, 1);
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