212 lines
7.1 KiB
C
212 lines
7.1 KiB
C
/*
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* Copyright (c) 1998, 2000 German Tischler. 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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* Card format:
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*
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* iobase + 0 : reset on (0x03)
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* iobase + 1 : reset off (0x0)
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* iobase + 2 : isac read/write
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* iobase + 3 : hscx read/write ( offset 0-0x3f hscx0 ,
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* offset 0x40-0x7f hscx1 )
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* iobase + 4 : offset for indirect adressing
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*
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*---------------------------------------------------------------------------
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*
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* isic - I4B Siemens ISDN Chipset Driver for SWS cards
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* ====================================================
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* last edit-date: [Wed Jan 24 08:58:57 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 (SEDLBAUER)
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#define SWS_RESON 0 /* reset on */
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#define SWS_RESOFF 1 /* reset off */
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#define SWS_ISAC 2 /* ISAC */
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#define SWS_HSCX0 3 /* HSCX0 */
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#define SWS_RW 4 /* indirect access register */
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#define SWS_HSCX1 5 /* this is for fakeing that we mean hscx1, though */
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/* access is done through hscx0 */
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#define SWS_REGS 8 /* we use an area of 8 bytes for io */
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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/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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/*---------------------------------------------------------------------------*
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* SWS P&P ISAC get fifo routine
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*---------------------------------------------------------------------------*/
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static void
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sws_read_fifo(struct l1_softc *sc,int what,void *buf,size_t size) {
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch ( what ) {
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t,h,SWS_RW,0x0);
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bus_space_read_multi_1(t,h,SWS_ISAC,buf,size);
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break;
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t,h,SWS_RW,0x0);
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bus_space_read_multi_1(t,h,SWS_HSCX0,buf,size);
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break;
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t,h,SWS_RW,0x0+0x40);
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bus_space_read_multi_1(t,h,SWS_HSCX0,buf,size);
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break;
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}
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}
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static void
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sws_write_fifo(struct l1_softc *sc,int what,void *buf,size_t size) {
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch ( what ) {
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t,h,SWS_RW,0x0);
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bus_space_write_multi_1(t,h,SWS_ISAC,buf,size);
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break;
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t,h,SWS_RW,0x0);
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bus_space_write_multi_1(t,h,SWS_HSCX0,buf,size);
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break;
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t,h,SWS_RW,0x0+0x40);
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bus_space_write_multi_1(t,h,SWS_HSCX0,buf,size);
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break;
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}
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}
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static void
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sws_write_reg(struct l1_softc *sc,int what,bus_size_t reg,u_int8_t data) {
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch ( what ) {
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t,h,SWS_RW,reg);
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bus_space_write_1(t,h,SWS_ISAC,data);
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break;
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t,h,SWS_RW,reg);
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bus_space_write_1(t,h,SWS_HSCX0,data);
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break;
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t,h,SWS_RW,reg+0x40);
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bus_space_write_1(t,h,SWS_HSCX0,data);
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break;
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}
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}
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static u_char
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sws_read_reg (struct l1_softc *sc,int what,bus_size_t reg) {
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bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
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switch ( what ) {
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case ISIC_WHAT_ISAC:
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bus_space_write_1(t,h,SWS_RW,reg);
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return bus_space_read_1(t,h,SWS_ISAC);
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case ISIC_WHAT_HSCXA:
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bus_space_write_1(t,h,SWS_RW,reg);
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return bus_space_read_1(t,h,SWS_HSCX0);
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case ISIC_WHAT_HSCXB:
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bus_space_write_1(t,h,SWS_RW,reg+0x40);
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return bus_space_read_1(t,h,SWS_HSCX0);
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default:
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return 0;
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}
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}
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/* attach callback routine */
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int
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isic_attach_sws(device_t dev)
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{
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int unit = device_get_unit(dev);
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struct l1_softc *sc = &l1_sc[unit];
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struct i4b_info * info = &(sc->sc_resources);
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bus_space_tag_t t = rman_get_bustag(info->io_base[0]);
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bus_space_handle_t h = rman_get_bushandle(info->io_base[0]);
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/* fill in l1_softc structure */
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sc->readreg = sws_read_reg;
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sc->writereg = sws_write_reg;
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sc->readfifo = sws_read_fifo;
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sc->writefifo = sws_write_fifo;
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sc->clearirq = NULL;
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sc->sc_cardtyp = CARD_TYPEP_SWS;
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sc->sc_bustyp = BUS_TYPE_IOM2;
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sc->sc_ipac = 0;
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sc->sc_bfifolen = HSCX_FIFO_LEN;
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/*
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* Read HSCX A/B VSTR. Expected value for the SWS PnP card is
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* 0x05 ( = version 2.1 ) in the least significant bits.
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*/
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if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) ||
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((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) )
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{
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printf("isic%d: HSCX VSTR test failed for SWS PnP\n",
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sc->sc_unit);
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printf("isic%d: HSC0: VSTR: %#x\n",
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sc->sc_unit, HSCX_READ(0, H_VSTR));
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printf("isic%d: HSC1: VSTR: %#x\n",
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sc->sc_unit, HSCX_READ(1, H_VSTR));
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return (ENXIO);
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}
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/* reset card */
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bus_space_write_1(t,h,SWS_RESON,0x3);
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DELAY(SEC_DELAY / 5);
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bus_space_write_1(t,h,SWS_RESOFF,0x0);
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DELAY(SEC_DELAY / 5);
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return(0);
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}
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#endif /* defined(SEDLBAUER) */
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