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/* $NetBSD: if_le.c,v 1.26 1996/01/02 21:56:21 thorpej Exp $ */
/*-
* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell and Rick Macklem.
*
* 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 University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)if_le.c 8.2 (Berkeley) 11/16/93
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <sys/device.h>
#include <net/if.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#include <machine/cpu.h>
#include <machine/mtpr.h>
#include <hp300/hp300/isr.h>
#ifdef USELEDS
#include <hp300/hp300/led.h>
#endif
#include <hp300/dev/device.h>
#include <hp300/dev/if_lereg.h>
#include <hp300/dev/if_levar.h>
#include <dev/ic/am7990reg.h>
#define LE_NEED_BUF_CONTIG
#include <dev/ic/am7990var.h>
#include "le.h"
struct le_softc le_softc[NLE];
#define LE_SOFTC(unit) &le_softc[unit]
#define LE_DELAY(x) DELAY(x)
int lematch __P((struct hp_device *));
void leattach __P((struct hp_device *));
int leintr __P((void *));
static int hp300_leintr __P((int)); /* machine-dependent wrapper */
struct driver ledriver = {
lematch, leattach, "le",
};
/* offsets for: ID, REGS, MEM, NVRAM */
int lestd[] = { 0, 0x4000, 0x8000, 0xC008 };
integrate void
lewrcsr(sc, port, val)
struct le_softc *sc;
u_int16_t port, val;
{
register struct lereg0 *ler0 = sc->sc_r0;
register struct lereg1 *ler1 = sc->sc_r1;
do {
ler1->ler1_rap = port;
} while ((ler0->ler0_status & LE_ACK) == 0);
do {
ler1->ler1_rdp = val;
} while ((ler0->ler0_status & LE_ACK) == 0);
}
integrate u_int16_t
lerdcsr(sc, port)
struct le_softc *sc;
u_int16_t port;
{
register struct lereg0 *ler0 = sc->sc_r0;
register struct lereg1 *ler1 = sc->sc_r1;
u_int16_t val;
do {
ler1->ler1_rap = port;
} while ((ler0->ler0_status & LE_ACK) == 0);
do {
val = ler1->ler1_rdp;
} while ((ler0->ler0_status & LE_ACK) == 0);
return (val);
}
int
lematch(hd)
struct hp_device *hd;
{
register struct lereg0 *ler0;
struct le_softc *sc = LE_SOFTC(hd->hp_unit);
ler0 = (struct lereg0 *)(lestd[0] + (int)hd->hp_addr);
if (ler0->ler0_id != LEID)
return (0);
hd->hp_ipl = LE_IPL(ler0->ler0_status);
sc->sc_hd = hd;
return (1);
}
/*
* Interface exists: make available by filling in network interface
* record. System will initialize the interface when it is ready
* to accept packets.
*/
void
leattach(hd)
struct hp_device *hd;
{
register struct lereg0 *ler0;
struct le_softc *sc = LE_SOFTC(hd->hp_unit);
char *cp;
int i;
ler0 = sc->sc_r0 = (struct lereg0 *)(lestd[0] + (int)hd->hp_addr);
ler0->ler0_id = 0xFF;
DELAY(100);
/* XXXX kluge for now */
sc->sc_dev.dv_unit = hd->hp_unit;
sprintf(sc->sc_dev.dv_xname, "%s%d", ledriver.d_name, hd->hp_unit);
sc->sc_r1 = (struct lereg1 *)(lestd[1] + (int)hd->hp_addr);
sc->sc_mem = (void *)(lestd[2] + (int)hd->hp_addr);
sc->sc_conf3 = LE_C3_BSWP;
sc->sc_addr = 0;
sc->sc_memsize = 16384;
/*
* Read the ethernet address off the board, one nibble at a time.
*/
cp = (char *)(lestd[3] + (int)hd->hp_addr);
for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++) {
sc->sc_arpcom.ac_enaddr[i] = (*++cp & 0xF) << 4;
cp++;
sc->sc_arpcom.ac_enaddr[i] |= *++cp & 0xF;
cp++;
}
sc->sc_copytodesc = copytobuf_contig;
sc->sc_copyfromdesc = copyfrombuf_contig;
sc->sc_copytobuf = copytobuf_contig;
sc->sc_copyfrombuf = copyfrombuf_contig;
sc->sc_zerobuf = zerobuf_contig;
sc->sc_arpcom.ac_if.if_name = ledriver.d_name;
leconfig(sc);
sc->sc_isr.isr_intr = hp300_leintr;
sc->sc_isr.isr_arg = hd->hp_unit;
sc->sc_isr.isr_ipl = hd->hp_ipl;
isrlink(&sc->sc_isr);
ler0->ler0_status = LE_IE;
}
static int
hp300_leintr(unit)
int unit;
{
struct le_softc *sc = LE_SOFTC(unit);
u_int16_t isr;
#ifdef USELEDS
isr = lerdcsr(sc, LE_CSR0);
if ((isr & LE_C0_INTR) == 0)
return (0);
if (isr & LE_C0_RINT)
if (inledcontrol == 0)
ledcontrol(0, 0, LED_LANRCV);
if (isr & LE_C0_TINT)
if (inledcontrol == 0)
ledcontrol(0, 0, LED_LANXMT);
#endif /* USELEDS */
return (leintr(sc));
}
#include <dev/ic/am7990.c>
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