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NetBSD/sys/dev/pcmcia/isic_pcmcia_elsa_isdnmc.c

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/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Martin Husemann <martin@netbsd.org>.
*
* 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: isic_pcmcia_elsa_isdnmc.c,v 1.5 2002/04/14 12:24:28 martin Exp $");
#include "opt_isicpcmcia.h"
#ifdef ISICPCMCIA_ELSA_ISDNMC
#include <sys/param.h>
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
#include <sys/ioccom.h>
#else
#include <sys/ioctl.h>
#endif
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#ifdef __FreeBSD__
#include <machine/clock.h>
#include <i386/isa/isa_device.h>
#else
#include <machine/bus.h>
#include <sys/device.h>
#endif
#include <sys/socket.h>
#include <net/if.h>
#if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
#include <sys/callout.h>
#endif
#ifdef __FreeBSD__
#include <machine/i4b_debug.h>
#include <machine/i4b_ioctl.h>
#else
#include <netisdn/i4b_debug.h>
#include <netisdn/i4b_ioctl.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#endif
#include <netisdn/i4b_l2.h>
#include <netisdn/i4b_l1l2.h>
#include <dev/ic/isic_l1.h>
#include <dev/ic/isac.h>
#include <dev/ic/hscx.h>
#include <dev/pcmcia/isic_pcmcia.h>
#ifndef __FreeBSD__
/* PCMCIA support routines */
static u_int8_t elsa_isdnmc_read_reg __P((struct isic_softc *sc, int what, bus_size_t offs));
static void elsa_isdnmc_write_reg __P((struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data));
static void elsa_isdnmc_read_fifo __P((struct isic_softc *sc, int what, void *buf, size_t size));
static void elsa_isdnmc_write_fifo __P((struct isic_softc *sc, int what, const void *data, size_t size));
static void elsa_isdnmc_clrirq __P((struct isic_softc *sc));
#endif
/*
* The ELSA MicroLink ISDN/MC uses one contigous IO region,
* mapped by the pcmcia code.
* The chip access is via three ports:
*/
#define ISAC_DATA 1 /* ISAC dataport at offset 1 */
#define HSCX_DATA 2 /* HSCX dataport at offset 2 */
#define ADDR_LATCH 4 /* address latch at offset 4 */
/* This is very similar to the ELSA QuickStep 1000 (ISA) card */
#ifdef __FreeBSD__
static void
elsa_isdnmc_clrirq(void *base)
{
}
#else
static void
elsa_isdnmc_clrirq(struct isic_softc *sc)
{
ISAC_WRITE(I_MASK, 0xff);
HSCX_WRITE(0, H_MASK, 0xff);
HSCX_WRITE(1, H_MASK, 0xff);
ISAC_WRITE(I_MASK, ISAC_IMASK);
HSCX_WRITE(0, H_MASK, HSCX_A_IMASK);
HSCX_WRITE(1, H_MASK, HSCX_B_IMASK);
}
#endif
/*---------------------------------------------------------------------------*
* read fifo routines
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
static void
elsa_isdnmc_read_fifo(void *buf, const void *base, size_t len)
{
}
#else
static void
elsa_isdnmc_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size)
{
bus_space_tag_t t = sc->sc_maps[0].t;
bus_space_handle_t h = sc->sc_maps[0].h;
switch (what) {
case ISIC_WHAT_ISAC:
bus_space_write_1(t, h, ADDR_LATCH, 0);
bus_space_read_multi_1(t, h, ISAC_DATA, buf, size);
break;
case ISIC_WHAT_HSCXA:
bus_space_write_1(t, h, ADDR_LATCH, 0);
bus_space_read_multi_1(t, h, HSCX_DATA, buf, size);
break;
case ISIC_WHAT_HSCXB:
bus_space_write_1(t, h, ADDR_LATCH, 0x40);
bus_space_read_multi_1(t, h, HSCX_DATA, buf, size);
break;
}
}
#endif
/*---------------------------------------------------------------------------*
* write fifo routines
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
static void
elsa_isdnmc_write_fifo(void *base, const void *buf, size_t len)
{
}
#else
static void
elsa_isdnmc_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size)
{
bus_space_tag_t t = sc->sc_maps[0].t;
bus_space_handle_t h = sc->sc_maps[0].h;
switch (what) {
case ISIC_WHAT_ISAC:
bus_space_write_1(t, h, ADDR_LATCH, 0);
bus_space_write_multi_1(t, h, ISAC_DATA, (u_int8_t*)buf, size);
break;
case ISIC_WHAT_HSCXA:
bus_space_write_1(t, h, ADDR_LATCH, 0);
bus_space_write_multi_1(t, h, HSCX_DATA, (u_int8_t*)buf, size);
break;
case ISIC_WHAT_HSCXB:
bus_space_write_1(t, h, ADDR_LATCH, 0x40);
bus_space_write_multi_1(t, h, HSCX_DATA, (u_int8_t*)buf, size);
break;
}
}
#endif
/*---------------------------------------------------------------------------*
* write register routines
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
static void
elsa_isdnmc_write_reg(u_char *base, u_int offset, u_int v)
{
}
#else
static void
elsa_isdnmc_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data)
{
bus_space_tag_t t = sc->sc_maps[0].t;
bus_space_handle_t h = sc->sc_maps[0].h;
switch (what) {
case ISIC_WHAT_ISAC:
bus_space_write_1(t, h, ADDR_LATCH, offs);
bus_space_write_1(t, h, ISAC_DATA, data);
break;
case ISIC_WHAT_HSCXA:
bus_space_write_1(t, h, ADDR_LATCH, offs);
bus_space_write_1(t, h, HSCX_DATA, data);
break;
case ISIC_WHAT_HSCXB:
bus_space_write_1(t, h, ADDR_LATCH, 0x40+offs);
bus_space_write_1(t, h, HSCX_DATA, data);
break;
}
}
#endif
/*---------------------------------------------------------------------------*
* read register routines
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
static u_char
elsa_isdnmc_read_reg(u_char *base, u_int offset)
{
return 0;
}
#else
static u_int8_t
elsa_isdnmc_read_reg(struct isic_softc *sc, int what, bus_size_t offs)
{
bus_space_tag_t t = sc->sc_maps[0].t;
bus_space_handle_t h = sc->sc_maps[0].h;
switch (what) {
case ISIC_WHAT_ISAC:
bus_space_write_1(t, h, ADDR_LATCH, offs);
return bus_space_read_1(t, h, ISAC_DATA);
case ISIC_WHAT_HSCXA:
bus_space_write_1(t, h, ADDR_LATCH, offs);
return bus_space_read_1(t, h, HSCX_DATA);
case ISIC_WHAT_HSCXB:
bus_space_write_1(t, h, ADDR_LATCH, 0x40+offs);
return bus_space_read_1(t, h, HSCX_DATA);
}
return 0;
}
#endif
#ifdef __FreeBSD__
#else
/*
* XXX - one time only! Some of this has to go into an enable
* function, with apropriate counterpart in disable, so a card
* could be removed an inserted again.
*/
int
isic_attach_elsaisdnmc(struct pcmcia_isic_softc *psc, struct pcmcia_config_entry *cfe, struct pcmcia_attach_args *pa)
{
struct isic_softc *sc = &psc->sc_isic;
bus_space_tag_t t;
bus_space_handle_t h;
/* Validate config info */
if (cfe->num_memspace != 0)
printf(": unexpected number of memory spaces %d should be 0\n",
cfe->num_memspace);
if (cfe->num_iospace != 1)
printf(": unexpected number of memory spaces %d should be 1\n",
cfe->num_iospace);
/* Allocate pcmcia space */
if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
cfe->iospace[0].length, &psc->sc_pcioh))
printf(": can't allocate i/o space\n");
/* map them */
if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0,
cfe->iospace[0].length, &psc->sc_pcioh, &psc->sc_io_window)) {
printf(": can't map i/o space\n");
return 0;
}
/* Setup bus space maps */
sc->sc_num_mappings = 1;
MALLOC_MAPS(sc);
/* Copy our handles/tags to the MI maps */
sc->sc_maps[0].t = psc->sc_pcioh.iot;
sc->sc_maps[0].h = psc->sc_pcioh.ioh;
sc->sc_maps[0].offset = 0;
sc->sc_maps[0].size = 0; /* not our mapping */
t = sc->sc_maps[0].t;
h = sc->sc_maps[0].h;
sc->clearirq = elsa_isdnmc_clrirq;
sc->readreg = elsa_isdnmc_read_reg;
sc->writereg = elsa_isdnmc_write_reg;
sc->readfifo = elsa_isdnmc_read_fifo;
sc->writefifo = elsa_isdnmc_write_fifo;
/* setup IOM bus type */
sc->sc_bustyp = BUS_TYPE_IOM2;
sc->sc_ipac = 0;
sc->sc_bfifolen = HSCX_FIFO_LEN;
return 1;
}
#endif
#endif /* ISICPCMCIA_ELSA_ISDNMC */
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