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/*
* Copyright (c) 1998 Matthias Apitz. 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.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* 4. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software and/or documentation.
*
* 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.
*
*---------------------------------------------------------------------------
*
* Fritz!Card pcmcia specific routines for isic driver
* ---------------------------------------------------
*
* $Id: i4b_avm_fritz_pcmcia.c,v 1.7 1998/12/01 21:25:53 hm Exp $
*
* last edit-date: [Tue Dec 1 22:03:51 1998]
*
* -ap added support for AVM PCMCIA Fritz!Card
* -mh split into separate file
*
*---------------------------------------------------------------------------*/
#if defined(__FreeBSD__)
#include "isic.h"
#include "opt_i4b.h"
#else
#define NISIC 1
#endif
#if NISIC > 0 && defined(AVM_PCMCIA)
#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>
#ifdef __FreeBSD__
#include <machine/i4b_debug.h>
#include <machine/i4b_ioctl.h>
#else
#include <i4b/i4b_debug.h>
#include <i4b/i4b_ioctl.h>
#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#endif
#include <i4b/layer1/i4b_l1.h>
#include <i4b/layer1/i4b_isac.h>
#include <i4b/layer1/i4b_hscx.h>
#include <i4b/layer1/pcmcia_isic.h>
#ifndef __FreeBSD__
/* PCMCIA support routines */
static u_int8_t avma1_pcmcia_read_reg __P((struct isic_softc *sc, int what, bus_size_t offs));
static void avma1_pcmcia_write_reg __P((struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data));
static void avma1_pcmcia_read_fifo __P((struct isic_softc *sc, int what, void *buf, size_t size));
static void avma1_pcmcia_write_fifo __P((struct isic_softc *sc, int what, const void *data, size_t size));
#endif
/*---------------------------------------------------------------------------*
* AVM PCMCIA Fritz!Card special registers
*---------------------------------------------------------------------------*/
/*
* register offsets from i/o base 0x140 or 0x300
*/
#define ADDR_REG_OFFSET 0x02
#define DATA_REG_OFFSET 0x03
#define STAT0_OFFSET 0x04
#define STAT1_OFFSET 0x05
#define MODREG_OFFSET 0x06
#define VERREG_OFFSET 0x07
/*
* AVM PCMCIA Status Latch 0 read only bits
*/
#define ASL_IRQ_TIMER 0x10 /* Timer interrupt, active low */
#define ASL_IRQ_ISAC 0x20 /* ISAC interrupt, active low */
#define ASL_IRQ_HSCX 0x40 /* HSX interrupt, active low */
#define ASL_IRQ_BCHAN ASL_IRQ_HSCX
#define ASL_IRQ_Pending (ASL_IRQ_ISAC | ASL_IRQ_HSCX | ASL_IRQ_TIMER)
/*
* AVM Status Latch 0 write only bits
*/
#define ASL_RESET_ALL 0x01 /* reset siemens IC's, active 1 */
#define ASL_TIMERDISABLE 0x02 /* active high */
#define ASL_TIMERRESET 0x04 /* active high */
#define ASL_ENABLE_INT 0x08 /* active high */
/*
* AVM Status Latch 1 write only bits
*/
#define ASL1_LED0 0x10 /* active high */
#define ASL1_LED1 0x20 /* active high */
#define ASL1_ENABLE_S0 0xc0 /* enable active S0 I/F */
/*----- EEpromless controller -----*/
/*
* AVM Status Latch read/write bit
*/
#define ASL_TESTBIT 0x80
/*---------------------------------------------------------------------------*
* AVM read fifo routines
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
static int PCMCIA_IO_BASE = 0; /* ap: XXX hack */
static void
avma1_pcmcia_read_fifo(void *buf, const void *base, size_t len)
{
outb(PCMCIA_IO_BASE + ADDR_REG_OFFSET, (int)base - 0x20);
insb(PCMCIA_IO_BASE + DATA_REG_OFFSET, (u_char *)buf, (u_int)len);
}
#else
/* offsets of the different 'what' arguments */
static u_int8_t what_map[] = {
0x20-0x20, /* ISIC_WHAT_ISAC */
0xA0-0x20, /* ISIC_WHAT_HSCXA */
0xE0-0x20 /* ISIC_WHAT_HSCXB */
};
static void
avma1_pcmcia_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;
bus_space_write_1(t, h, ADDR_REG_OFFSET, what_map[what]);
bus_space_read_multi_1(t, h, DATA_REG_OFFSET, buf, size);
}
#endif
/*---------------------------------------------------------------------------*
* AVM write fifo routines
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
static void
avma1_pcmcia_write_fifo(void *base, const void *buf, size_t len)
{
outb(PCMCIA_IO_BASE + ADDR_REG_OFFSET, (int)base - 0x20);
outsb(PCMCIA_IO_BASE + DATA_REG_OFFSET, (u_char *)buf, (u_int)len);
}
#else
static void
avma1_pcmcia_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;
bus_space_write_1(t, h, ADDR_REG_OFFSET, what_map[what]);
bus_space_write_multi_1(t, h, DATA_REG_OFFSET, (u_int8_t*)buf, size);
}
#endif
/*---------------------------------------------------------------------------*
* AVM write register routines
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
static void
avma1_pcmcia_write_reg(u_char *base, u_int offset, u_int v)
{
/* offset includes 0x20 FIFO ! */
outb(PCMCIA_IO_BASE + ADDR_REG_OFFSET, (int)base+offset-0x20);
outb(PCMCIA_IO_BASE + DATA_REG_OFFSET, (u_char)v);
}
#else
static void
avma1_pcmcia_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;
bus_space_write_1(t, h, ADDR_REG_OFFSET, what_map[what]+offs);
bus_space_write_1(t, h, DATA_REG_OFFSET, data);
}
#endif
/*---------------------------------------------------------------------------*
* AVM read register routines
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
static u_char
avma1_pcmcia_read_reg(u_char *base, u_int offset)
{
/* offset includes 0x20 FIFO ! */
outb(PCMCIA_IO_BASE + ADDR_REG_OFFSET, (int)base+offset-0x20);
return (inb(PCMCIA_IO_BASE + DATA_REG_OFFSET));
}
#else
static u_int8_t
avma1_pcmcia_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;
bus_space_write_1(t, h, ADDR_REG_OFFSET, what_map[what]+offs);
return bus_space_read_1(t, h, DATA_REG_OFFSET);
}
#endif
/*---------------------------------------------------------------------------*
* isic_probe_avma1_pcmcia - probe for AVM PCMCIA Fritz!Card
* This is in the bus attachemnt part on NetBSD (pcmcia_isic.c), no
* card specicfic probe is needed on direct config buses like pcmcia.
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
int
isic_probe_avma1_pcmcia(struct isa_device *dev)
{
struct isic_softc *sc = &isic_sc[dev->id_unit];
u_char byte;
int i;
u_int cardinfo;
/* check max unit range */
if(dev->id_unit > 1)
{
printf("isic%d: Error, unit %d > MAXUNIT for AVM PCMCIA Fritz!Card\n",
dev->id_unit, dev->id_unit);
return(0);
}
sc->sc_unit = dev->id_unit;
/*
* we trust the IRQ we got from PCCARD service
*/
sc->sc_irq = dev->id_irq;
/* check if we got an iobase */
switch(dev->id_iobase)
{
case 0x140:
case 0x300:
break;
default:
printf("isic%d: Error, invalid iobase 0x%x specified for AVM PCMCIA Fritz!Card.\n",
dev->id_unit, dev->id_iobase);
return(0);
break;
}
sc->sc_port = dev->id_iobase;
/* ResetController */
outb(dev->id_iobase + STAT0_OFFSET, 0x00);
DELAY(SEC_DELAY / 20);
outb(dev->id_iobase + STAT0_OFFSET, 0x01);
DELAY(SEC_DELAY / 20);
outb(dev->id_iobase + STAT0_OFFSET, 0x00);
/*
* CheckController
* The logic to check for the PCMCIA was adapted as
* described by AVM.
*/
outb(dev->id_iobase + ADDR_REG_OFFSET, 0x21); /* ISAC STAR */
if ( (byte=inb(dev->id_iobase + DATA_REG_OFFSET) & 0xfd) != 0x48 )
{
printf("isic%d: Error, ISAC STAR for AVM PCMCIA is 0x%0x (should be 0x48)\n",
dev->id_unit, byte);
return(0);
}
outb(dev->id_iobase + ADDR_REG_OFFSET, 0xa1); /* HSCX STAR */
if ( (byte=inb(dev->id_iobase + DATA_REG_OFFSET) & 0xfd) != 0x48 )
{
printf("isic%d: Error, HSCX STAR for AVM PCMCIA is 0x%0x (should be 0x48)\n",
dev->id_unit, byte);
return(0);
}
byte = ASL_TESTBIT;
for (i=0; i<256; i++) {
byte = byte ? 0 : ASL_TESTBIT;
outb(dev->id_iobase + STAT0_OFFSET, byte);
if ((inb(dev->id_iobase+STAT0_OFFSET)&ASL_TESTBIT)!=byte) {
printf("isic%d: Error during toggle of AVM PCMCIA Status Latch0\n",
dev->id_unit);
return(0);
}
}
sc->clearirq = NULL;
sc->readreg = avma1_pcmcia_read_reg;
sc->writereg = avma1_pcmcia_write_reg;
sc->readfifo = avma1_pcmcia_read_fifo;
sc->writefifo = avma1_pcmcia_write_fifo;
/* setup card type */
sc->sc_cardtyp = CARD_TYPEP_PCFRITZ;
/* setup IOM bus type */
sc->sc_bustyp = BUS_TYPE_IOM2; /* ap: XXX ??? */
sc->sc_ipac = 0;
sc->sc_bfifolen = HSCX_FIFO_LEN;
/* setup ISAC and HSCX base addr */
/*
* NOTE: for PCMCIA these are no real addrs; they are
* offsets to be written into the base+ADDR_REG_OFFSET register
* to pick up the values of the bytes fro base+DATA_REG_OFFSET
*
* see also the logic in the avma1_pcmcia_* routines;
* therefore we also must have the base addr in some static
* space or struct; XXX better solution?
*/
PCMCIA_IO_BASE = dev->id_iobase;
ISAC_BASE = (caddr_t)0x20;
HSCX_A_BASE = (caddr_t)0xA0;
HSCX_B_BASE = (caddr_t)0xE0;
/*
* Read HSCX A/B VSTR.
* Expected value for AVM A1 is 0x04 or 0x05 and for the
* AVM Fritz!Card is 0x05 in the least significant bits.
*/
if( (((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) &&
((HSCX_READ(0, H_VSTR) & 0xf) != 0x4)) ||
(((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) &&
((HSCX_READ(1, H_VSTR) & 0xf) != 0x4)) )
{
printf("isic%d: HSCX VSTR test failed for AVM PCMCIA Fritz!Card\n",
dev->id_unit);
printf("isic%d: HSC0: VSTR: 0x%0x\n",
dev->id_unit, HSCX_READ(0, H_VSTR));
printf("isic%d: HSC1: VSTR: 0x%0x\n",
dev->id_unit, HSCX_READ(1, H_VSTR));
return (0);
}
/*
* seems we really have an AVM PCMCIA Fritz!Card controller
*/
cardinfo = inb(dev->id_iobase + VERREG_OFFSET)<<8 | inb(dev->id_iobase + MODREG_OFFSET);
printf("isic%d: successfully detect AVM PCMCIA cardinfo = 0x%0x\n",
dev->id_unit, cardinfo);
dev->id_flags = FLAG_AVM_A1_PCMCIA;
return (1);
}
#endif /* __FreeBSD__ */
/*---------------------------------------------------------------------------*
* isic_attach_fritzpcmcia - attach Fritz!Card
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
int
isic_attach_fritzpcmica(struct isa_device *dev)
{
struct isic_softc *sc = &isic_sc[dev->id_unit];
/* ResetController again just to make sure... */
outb(dev->id_iobase + STAT0_OFFSET, 0x00);
DELAY(SEC_DELAY / 10);
outb(dev->id_iobase + STAT0_OFFSET, 0x01);
DELAY(SEC_DELAY / 10);
outb(dev->id_iobase + STAT0_OFFSET, 0x00);
DELAY(SEC_DELAY / 10);
/* enable IRQ, disable counter IRQ */
outb(dev->id_iobase + STAT0_OFFSET, ASL_TIMERDISABLE |
ASL_TIMERRESET | ASL_ENABLE_INT);
/* DELAY(SEC_DELAY / 10); */
return(1);
}
#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. But never mind for now,
* this won't work anyway for several reasons (both in NetBSD
* and in I4B).
*/
int
isic_attach_fritzpcmcia(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 - exactly as dictated by the card */
if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, cfe->iospace[0].length,
0, &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;
sc->sc_cardtyp = CARD_TYPEP_PCFRITZ;
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 = NULL;
sc->readreg = avma1_pcmcia_read_reg;
sc->writereg = avma1_pcmcia_write_reg;
sc->readfifo = avma1_pcmcia_read_fifo;
sc->writefifo = avma1_pcmcia_write_fifo;
/* setup card type */
sc->sc_cardtyp = CARD_TYPEP_PCFRITZ;
/* setup IOM bus type */
sc->sc_bustyp = BUS_TYPE_IOM2;
sc->sc_ipac = 0;
sc->sc_bfifolen = HSCX_FIFO_LEN;
/* Reset controller again just to make sure... */
bus_space_write_1(t, h, STAT0_OFFSET, 0x00);
DELAY(SEC_DELAY / 10);
bus_space_write_1(t, h, STAT0_OFFSET, 0x01);
DELAY(SEC_DELAY / 10);
bus_space_write_1(t, h, STAT0_OFFSET, 0x00);
DELAY(SEC_DELAY / 10);
/* enable IRQ, disable counter IRQ */
bus_space_write_1(t, h, STAT0_OFFSET, ASL_TIMERDISABLE |
ASL_TIMERRESET | ASL_ENABLE_INT);
return 1;
}
#endif
#endif /* NISIC > 0 && defined(AVM_PCMCIA) */
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