369 lines
10 KiB
C
369 lines
10 KiB
C
/*
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* Copyright (c) 1996 Arne Helme. All rights reserved.
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* Copyright (c) 1996 Gary Jennejohn. All rights reserved.
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* Copyright (c) 1997, 2001 Hellmuth Michaelis. 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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*
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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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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* 4. Altered versions must be plainly marked as such, and must not be
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* misrepresented as being the original software and/or documentation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* isic - I4B Siemens ISDN Chipset Driver for Teles S0/16 and clones
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* =================================================================
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* last edit-date: [Wed Jan 24 09:27:24 2001]
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*
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*---------------------------------------------------------------------------*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_i4b.h"
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#if defined(TEL_S0_16)
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <machine/md_var.h>
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#include <machine/i4b_ioctl.h>
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#include <machine/i4b_trace.h>
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#include <i4b/layer1/i4b_l1.h>
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#include <i4b/layer1/isic/i4b_isic.h>
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#include <i4b/layer1/isic/i4b_hscx.h>
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#define TELES_S016_MEMSIZE 0x1000
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static u_char intr_no[] = { 1, 1, 0, 2, 4, 6, 1, 1, 1, 0, 8, 10, 12, 1, 1, 14 };
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static const bus_size_t offset[] = { 0x100, 0x180, 0x1c0 };
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/*---------------------------------------------------------------------------*
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* Teles S0/16 write register routine
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*---------------------------------------------------------------------------*/
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static void
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tels016_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
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offs += offset[what];
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if (offs & 0x01)
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offs |= 0x200;
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bus_space_write_1(t, h, offs, data);
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}
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/*---------------------------------------------------------------------------*
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* Teles S0/16 read register routine
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*---------------------------------------------------------------------------*/
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static u_int8_t
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tels016_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
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offs += offset[what];
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if(offs & 0x01)
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offs |= 0x200;
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return bus_space_read_1(t, h, offs);
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}
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/*---------------------------------------------------------------------------*
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* Teles S0/16 fifo write routine
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*---------------------------------------------------------------------------*/
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static void
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tels016_write_fifo(struct l1_softc *sc, int what, void *data, size_t size)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
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bus_space_write_region_1(t, h, offset[what], data, size);
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}
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/*---------------------------------------------------------------------------*
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* Teles S0/16 fifo read routine
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*---------------------------------------------------------------------------*/
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static void
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tels016_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
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{
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
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bus_space_read_region_1(t, h, offset[what], buf, size);
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}
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/*---------------------------------------------------------------------------*
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* isic_probe_s016 - probe for Teles S0/16 and compatibles
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*---------------------------------------------------------------------------*/
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int
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isic_probe_s016(device_t dev)
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{
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size_t unit = device_get_unit(dev); /* get unit */
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struct l1_softc *sc = 0; /* softc */
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void *ih = 0; /* dummy */
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u_int8_t b0,b1,b2; /* for signature */
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bus_space_tag_t t; /* bus things */
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bus_space_handle_t h;
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/* check max unit range */
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if(unit >= ISIC_MAXUNIT)
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{
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printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Teles S0/16!\n",
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unit, unit);
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return(ENXIO);
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}
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sc = &l1_sc[unit]; /* get pointer to softc */
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sc->sc_unit = unit; /* set unit */
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/* see if an io base was supplied */
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if(!(sc->sc_resources.io_base[0] =
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bus_alloc_resource_any(dev, SYS_RES_IOPORT,
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&sc->sc_resources.io_rid[0],
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RF_ACTIVE)))
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{
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printf("isic%d: Could not allocate i/o port for Teles S0/16.\n", unit);
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return(ENXIO);
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}
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sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]);
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/*
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* check if the provided io port is valid
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*/
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switch(sc->sc_port)
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{
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case 0xd80:
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case 0xe80:
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case 0xf80:
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break;
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default:
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printf("isic%d: Error, invalid iobase 0x%x specified for Teles S0/16!\n",
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unit, sc->sc_port);
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isic_detach_common(dev);
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return(ENXIO);
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break;
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}
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/* allocate memory resource */
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if(!(sc->sc_resources.mem =
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bus_alloc_resource(dev, SYS_RES_MEMORY,
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&sc->sc_resources.mem_rid,
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0ul, ~0ul, TELES_S016_MEMSIZE,
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RF_ACTIVE)))
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{
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printf("isic%d: Could not allocate memory for Teles S0/16.\n", unit);
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isic_detach_common(dev);
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return(ENXIO);
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}
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/*
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* get virtual addr.
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*/
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sc->sc_vmem_addr = rman_get_virtual(sc->sc_resources.mem);
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/*
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* check for valid adresses
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*/
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switch(kvtop(sc->sc_vmem_addr))
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{
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case 0xc0000:
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case 0xc2000:
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case 0xc4000:
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case 0xc6000:
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case 0xc8000:
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case 0xca000:
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case 0xcc000:
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case 0xce000:
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case 0xd0000:
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case 0xd2000:
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case 0xd4000:
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case 0xd6000:
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case 0xd8000:
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case 0xda000:
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case 0xdc000:
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case 0xde000:
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break;
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default:
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printf("isic%d: Error, invalid memory address 0x%x for Teles S0/16!\n",
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unit, kvtop(sc->sc_vmem_addr));
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isic_detach_common(dev);
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return(ENXIO);
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break;
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}
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/* setup ISAC access routines */
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sc->clearirq = NULL;
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sc->readreg = tels016_read_reg;
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sc->writereg = tels016_write_reg;
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sc->readfifo = tels016_read_fifo;
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sc->writefifo = tels016_write_fifo;
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/* setup card type */
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sc->sc_cardtyp = CARD_TYPEP_16;
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/* setup IOM bus type */
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sc->sc_bustyp = BUS_TYPE_IOM1;
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sc->sc_ipac = 0;
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sc->sc_bfifolen = HSCX_FIFO_LEN;
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/* setup ISAC base addr, though we don't really need it */
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ISAC_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x100);
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/* setup HSCX base addr */
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HSCX_A_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x180);
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HSCX_B_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x1c0);
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t = rman_get_bustag(sc->sc_resources.io_base[0]);
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h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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/* get signature bytes */
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b0 = bus_space_read_1(t, h, 0);
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b1 = bus_space_read_1(t, h, 1);
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b2 = bus_space_read_1(t, h, 2);
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/* check signature bytes */
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if(b0 != 0x51)
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{
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printf("isic%d: Error, signature 1 0x%x != 0x51 for Teles S0/16!\n",
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unit, b0);
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isic_detach_common(dev);
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return(ENXIO);
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}
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if(b1 != 0x93)
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{
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printf("isic%d: Error, signature 2 0x%x != 0x93 for Teles S0/16!\n",
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unit, b1);
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isic_detach_common(dev);
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return(ENXIO);
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}
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if((b2 != 0x1e) && (b2 != 0x1f))
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{
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printf("isic%d: Error, signature 3 0x%x != 0x1e or 0x1f for Teles S0/16!\n",
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unit, b2);
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isic_detach_common(dev);
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return(ENXIO);
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}
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/* get our irq */
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if(!(sc->sc_resources.irq =
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bus_alloc_resource_any(dev, SYS_RES_IRQ,
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&sc->sc_resources.irq_rid,
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RF_ACTIVE)))
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{
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printf("isic%d: Could not allocate irq for Teles S0/16.\n", unit);
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isic_detach_common(dev);
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return ENXIO;
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}
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/* register interupt routine */
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bus_setup_intr(dev, sc->sc_resources.irq,
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INTR_TYPE_NET,
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(void(*)(void *))(isicintr),
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sc, &ih);
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/* get the irq number */
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sc->sc_irq = rman_get_start(sc->sc_resources.irq);
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/* check IRQ validity */
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if((intr_no[sc->sc_irq]) == 1)
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{
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printf("isic%d: Error, invalid IRQ [%d] specified for Teles S0/16!\n",
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unit, sc->sc_irq);
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isic_detach_common(dev);
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return(ENXIO);
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}
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return (0);
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}
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/*---------------------------------------------------------------------------*
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* isic_attach_s016 - attach Teles S0/16 and compatibles
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*---------------------------------------------------------------------------*/
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int
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isic_attach_s016(device_t dev)
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{
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struct l1_softc *sc = &l1_sc[device_get_unit(dev)];
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u_long irq;
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bus_space_tag_t ta = rman_get_bustag(sc->sc_resources.mem);
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bus_space_handle_t ha = rman_get_bushandle(sc->sc_resources.mem);
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bus_space_tag_t tb = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t hb = rman_get_bushandle(sc->sc_resources.io_base[0]);
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/* is this right for FreeBSD or off by one ? */
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irq = intr_no[sc->sc_irq];
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/* configure IRQ */
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irq |= ((u_long) sc->sc_vmem_addr) >> 9;
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DELAY(SEC_DELAY / 10);
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bus_space_write_1(tb, hb, 4, irq);
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DELAY(SEC_DELAY / 10);
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bus_space_write_1(tb, hb, 4, irq | 0x01);
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DELAY(SEC_DELAY / 5);
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/* set card bit off */
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bus_space_write_1(ta, ha, 0x80, 0);
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DELAY(SEC_DELAY / 5);
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/* set card bit on */
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bus_space_write_1(ta, ha, 0x80, 1);
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DELAY(SEC_DELAY / 5);
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return 0;
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}
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#endif /* defined(TEL_S0_16) */
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