FreeBSD/Linux Kernel Cross Reference
sys/dev/isapnp/isic_isapnp_sws.c

     /*
      *   Copyright (c) 1998 German Tischler. 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.
     *
     *---------------------------------------------------------------------------
     *
     * Card format:
     * 
     * iobase + 0 : reset on  (0x03)
     * iobase + 1 : reset off (0x0)
     * iobase + 2 : isac read/write
     * iobase + 3 : hscx read/write ( offset 0-0x3f    hscx0 , 
     *                                offset 0x40-0x7f hscx1 )
     * iobase + 4 : offset for indirect addressing
     *
     *---------------------------------------------------------------------------
     *
     *      isic - I4B Siemens ISDN Chipset Driver for SWS cards
     *      ====================================================
     *
     *              EXPERIMENTAL !!!!
     *              =================
     *
     *      $Id: isic_isapnp_sws.c,v 1.5 2003/11/10 08:51:52 wiz Exp $
     *
     *      last edit-date: [Fri Jan  5 11:38:29 2001]
     *
     *      -hm     adding driver to i4b
     *      -hm     adjustments for FreeBSD < 2.2.6, no PnP support yet
     *
     *---------------------------------------------------------------------------*/
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: isic_isapnp_sws.c,v 1.5 2003/11/10 08:51:52 wiz Exp $");
    
    #include "opt_isicpnp.h"  
    #ifdef ISICPNP_SEDLBAUER
    
    #define SWS_RESON  0 /* reset on                 */
    #define SWS_RESOFF 1 /* reset off                */
    #define SWS_ISAC   2 /* ISAC                     */
    #define SWS_HSCX0  3 /* HSCX0                    */
    #define SWS_RW     4 /* indirect access register */
    #define SWS_HSCX1  5 /* this is for fakeing that we mean hscx1, though */
                         /* access is done through hscx0                   */
    
    #define SWS_REGS   8 /* we use an area of 8 bytes for io */
    
    #define SWS_BASE(X)   ((unsigned int)X&~(SWS_REGS-1))
    #define SWS_PART(X)   ((unsigned int)X& (SWS_REGS-1))
    #define SWS_ADDR(X)   ((SWS_PART(X) == SWS_ISAC) ? (SWS_BASE(X)+SWS_ISAC) : (SWS_BASE(X)+SWS_HSCX0) )
    #define SWS_REG(X,Y)  ((SWS_PART(X) != SWS_HSCX1) ? Y : (Y+0x40) )
    #define SWS_IDO(X)    (SWS_BASE(X)+SWS_RW)
    
    #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>
    
    #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
    #include <sys/callout.h>
    #endif
    
    #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 <netisdn/i4b_debug.h>
   #include <netisdn/i4b_ioctl.h>
   #include <netisdn/i4b_global.h>
   #include <netisdn/i4b_l2.h>
   #include <netisdn/i4b_l1l2.h>
   #endif
   
   #include <dev/ic/isic_l1.h>
   #include <dev/ic/isac.h>
   #include <dev/ic/hscx.h>
   
   #include <netisdn/i4b_global.h>
   #include <netisdn/i4b_l1l2.h>
   #include <netisdn/i4b_mbuf.h>
   
   #ifndef __FreeBSD__
   static u_int8_t sws_read_reg   __P((struct isic_softc *sc, int what, bus_size_t offs));
   static void     sws_write_reg  __P((struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data));
   static void     sws_read_fifo  __P((struct isic_softc *sc, int what, void *buf, size_t size));
   static void     sws_write_fifo __P((struct isic_softc *sc, int what, const void *data, size_t size));
   void            isic_attach_sws __P((struct isic_softc *sc));
   #endif
   
   /*---------------------------------------------------------------------------*
    *      SWS P&P ISAC get fifo routine
    *---------------------------------------------------------------------------*/
   
   #ifdef __FreeBSD__
   
   static void
   sws_read_fifo(void *buf, const void *base, size_t len)
   {
    outb(SWS_IDO(base),SWS_REG(base,0));
    insb(SWS_ADDR(base),buf,len);
   }
   
   #else
   
   static void
   sws_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, SWS_RW, 0);
                           bus_space_read_multi_1(t, h, SWS_ISAC, buf, size);
                           break;
                   case ISIC_WHAT_HSCXA:
                           bus_space_write_1(t, h, SWS_RW, 0);
                           bus_space_read_multi_1(t, h, SWS_HSCX0, buf, size);
                           break;
                   case ISIC_WHAT_HSCXB:
                           bus_space_write_1(t, h, SWS_RW, 0x40);
                           bus_space_read_multi_1(t, h, SWS_HSCX0, buf, size);
                           break;
           }
   }
   
   #endif
   
   /*---------------------------------------------------------------------------*
    *      SWS P&P ISAC put fifo routine
    *---------------------------------------------------------------------------*/
   
   #ifdef __FreeBSD__
   
   static void
   sws_write_fifo(void *base, const void *buf, size_t len)
   {
    outb (SWS_IDO(base),SWS_REG(base,0));
    outsb(SWS_ADDR(base),buf,len);
   }
   
   #else
   
   static void
   sws_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, SWS_RW, 0);
                           bus_space_write_multi_1(t, h, SWS_ISAC, (u_int8_t*)buf, size);
                           break;
                   case ISIC_WHAT_HSCXA:
                           bus_space_write_1(t, h, SWS_RW, 0);
                           bus_space_write_multi_1(t, h, SWS_HSCX0, (u_int8_t*)buf, size);
                           break;
                   case ISIC_WHAT_HSCXB:
                           bus_space_write_1(t, h, SWS_RW, 0x40);
                           bus_space_write_multi_1(t, h, SWS_HSCX0, (u_int8_t*)buf, size);
                           break;
           }
   }
   
   #endif
   
   /*---------------------------------------------------------------------------*
    *      SWS P&P ISAC put register routine
    *---------------------------------------------------------------------------*/
   
   #ifdef __FreeBSD__
   
   static void
   sws_write_reg(u_char *base, u_int offset, u_int v)
   {
    outb(SWS_IDO(base),SWS_REG(base,offset));
    outb(SWS_ADDR(base),v);
   }
   
   #else
   
   static void
   sws_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, SWS_RW, offs);
                           bus_space_write_1(t, h, SWS_ISAC, data);
                           break;
                   case ISIC_WHAT_HSCXA:
                           bus_space_write_1(t, h, SWS_RW, offs);
                           bus_space_write_1(t, h, SWS_HSCX0, data);
                           break;
                   case ISIC_WHAT_HSCXB:
                           bus_space_write_1(t, h, SWS_RW, 0x40+offs);
                           bus_space_write_1(t, h, SWS_HSCX0, data);
                           break;
           }
   }
   
   #endif
   
   /*---------------------------------------------------------------------------*
    *      SWS P&P ISAC get register routine
    *---------------------------------------------------------------------------*/
   #ifdef __FreeBSD__
   
   static u_char
   sws_read_reg(u_char *base, u_int offset)
   {
    outb(SWS_IDO(base),SWS_REG(base,offset));
    return inb(SWS_ADDR(base));
   }
   
   #else
   
   static u_int8_t
   sws_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, SWS_RW, offs);
                           return bus_space_read_1(t, h, SWS_ISAC);
                   case ISIC_WHAT_HSCXA:
                           bus_space_write_1(t, h, SWS_RW, offs);
                           return bus_space_read_1(t, h, SWS_HSCX0);
                   case ISIC_WHAT_HSCXB:
                           bus_space_write_1(t, h, SWS_RW, 0x40+offs);
                           return bus_space_read_1(t, h, SWS_HSCX0);
           }
           return 0;
   }
   
   #endif
   
   #ifdef __FreeBSD__
   
   /* attach callback routine */
   
   int
   isic_attach_sws(struct isa_device *dev)
   {
           struct isic_softc *sc = &l1_sc[dev->id_unit];
   
           /* fill in isic_softc structure */
   
           sc->readreg     = sws_read_reg;
           sc->writereg    = sws_write_reg;
           sc->readfifo    = sws_read_fifo;
           sc->writefifo   = sws_write_fifo;
           sc->clearirq    = NULL;
           sc->sc_unit     = dev->id_unit;
           sc->sc_irq      = dev->id_irq;
           sc->sc_port     = dev->id_iobase;
           sc->sc_cardtyp  = CARD_TYPEP_SWS;
           sc->sc_bustyp   = BUS_TYPE_IOM2;
           sc->sc_ipac     = 0;
           sc->sc_bfifolen = HSCX_FIFO_LEN;
           dev->id_msize   = 0;
   
           ISAC_BASE   = (caddr_t) (((u_int) sc->sc_port) + SWS_ISAC);
           HSCX_A_BASE = (caddr_t) (((u_int) sc->sc_port) + SWS_HSCX0);
           HSCX_B_BASE = (caddr_t) (((u_int) sc->sc_port) + SWS_HSCX1);
   
           /* 
            * Read HSCX A/B VSTR.  Expected value for the SWS PnP card is
            * 0x05 ( = version 2.1 ) in the least significant bits.
            */
   
           if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) ||
               ((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) )
           {
                   printf("isic%d: HSCX VSTR test failed for SWS PnP\n",
                           dev->id_unit);
                   printf("isic%d: HSC0: VSTR: %#x\n",
                           dev->id_unit, HSCX_READ(0, H_VSTR));
                   printf("isic%d: HSC1: VSTR: %#x\n",
                           dev->id_unit, HSCX_READ(1, H_VSTR));
                   return (0);
           }                   
   
           /* reset card */
   
           outb( ((u_int) sc->sc_port) + SWS_RESON , 0x3);
           DELAY(SEC_DELAY / 5);
           outb( ((u_int) sc->sc_port) + SWS_RESOFF, 0);
           DELAY(SEC_DELAY / 5);
                   
           return(1);
   }
   
   #else /* !__FreeBSD__ */
   
   void
   isic_attach_sws(struct isic_softc *sc)
   {
           /* setup access routines */
   
           sc->readreg   = sws_read_reg;
           sc->writereg  = sws_write_reg;
   
           sc->readfifo  = sws_read_fifo;
           sc->writefifo = sws_write_fifo;
   
           /* setup card type */
           
           sc->sc_cardtyp = CARD_TYPEP_SWS;
   
           /* setup IOM bus type */
           
           sc->sc_bustyp = BUS_TYPE_IOM2;
   
           sc->sc_ipac = 0;
           sc->sc_bfifolen = HSCX_FIFO_LEN;
   
           /* 
            * Read HSCX A/B VSTR.  Expected value for the SWS PnP card is
            * 0x05 ( = version 2.1 ) in the least significant bits.
            */
   
           if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) ||
               ((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) )
           {
                   printf("%s: HSCX VSTR test failed for SWS PnP\n",
                           sc->sc_dev.dv_xname);
                   printf("%s: HSC0: VSTR: %#x\n",
                           sc->sc_dev.dv_xname, HSCX_READ(0, H_VSTR));
                   printf("%s: HSC1: VSTR: %#x\n",
                           sc->sc_dev.dv_xname, HSCX_READ(1, H_VSTR));
                   return;
           }                   
   
           /* reset card */
           {
                   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, SWS_RESON, 0x3);
                   DELAY(SEC_DELAY / 5);
                   bus_space_write_1(t, h, SWS_RESOFF, 0);
                   DELAY(SEC_DELAY / 5);
           }
   }
   
   #endif /* !__FreeBSD__ */
   
   #endif /* ISICPNP_SEDLBAUER */

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