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

     /*
      *   Copyright (c) 1999 Udo Schweigert. 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.
     *
     *---------------------------------------------------------------------------
     *   Based on ELSA Quickstep 1000pro PCI driver (i4b_elsa_qs1p.c)
     *---------------------------------------------------------------------------
     *   In case of trouble please contact Udo Schweigert <ust@cert.siemens.de>
     *---------------------------------------------------------------------------
     *
     *      Siemens I-Surf 2.0 PnP specific routines for isic driver
     *      --------------------------------------------------------
     *
     *      $Id: isic_isapnp_siemens_isurf.c,v 1.4 2002/03/24 20:35:52 martin Exp $
     *
     *      last edit-date: [Fri Jan  5 11:38:29 2001]
     *
     *---------------------------------------------------------------------------*/
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: isic_isapnp_siemens_isurf.c,v 1.4 2002/03/24 20:35:52 martin Exp $");
    
    #include <sys/param.h>
    #include <sys/kernel.h>
    #include <sys/systm.h>
    #include <sys/mbuf.h>
    
    #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
    #include <sys/callout.h>
    #endif
    
    #if defined(__FreeBSD__)
    #if __FreeBSD__ >= 3
    #include <sys/ioccom.h>
    #else
    #include <sys/ioctl.h>
    #endif
    
    #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(__FreeBSD__)
    #include <machine/i4b_debug.h>
    #include <machine/i4b_ioctl.h>
    #else
    #include <netisdn/i4b_debug.h>
    #include <netisdn/i4b_ioctl.h>
    #endif
    
    #include <netisdn/i4b_global.h>
    #include <netisdn/i4b_debug.h>
    #include <netisdn/i4b_l2.h>
    #include <netisdn/i4b_l1l2.h>
    #include <netisdn/i4b_mbuf.h>
    
    #include <dev/ic/isic_l1.h>
    #include <dev/ic/ipac.h>
    #include <dev/ic/isac.h>
    #include <dev/ic/hscx.h>
    
    #if !defined(__FreeBSD__)
    void isic_attach_siemens_isurf __P((struct isic_softc *sc));
    #endif
    
    /* masks for register encoded in base addr */
   
   #define SIE_ISURF_BASE_MASK             0x0ffff
   #define SIE_ISURF_OFF_MASK              0xf0000
   
   /* register id's to be encoded in base addr */
   
   #define SIE_ISURF_IDISAC                0x00000
   #define SIE_ISURF_IDHSCXA               0x10000
   #define SIE_ISURF_IDHSCXB               0x20000
   #define SIE_ISURF_IDIPAC                0x40000
   
   /* offsets from base address */
   
   #define SIE_ISURF_OFF_ALE               0x00
   #define SIE_ISURF_OFF_RW                0x01
   
   /*---------------------------------------------------------------------------*
    *      Siemens I-Surf 2.0 PnP ISAC get fifo routine
    *---------------------------------------------------------------------------*/
   #if defined(__FreeBSD__)
   
   static void             
   siemens_isurf_read_fifo(void *buf, const void *base, size_t len)
   {
           if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXB)
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_HSCXB_OFF);
                   insb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (u_char *)buf, (u_int)len);
           }
           else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXA)
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_HSCXA_OFF);
                   insb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (u_char *)buf, (u_int)len);
           }               
           else /* if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDISAC) */
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_ISAC_OFF);
                   insb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (u_char *)buf, (u_int)len);
           }               
   }
   
   #else
   
   static void
   siemens_isurf_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, SIE_ISURF_OFF_ALE, IPAC_ISAC_OFF);
                   bus_space_read_multi_1(t, h, SIE_ISURF_OFF_RW, buf, size);
                   break;
           case ISIC_WHAT_HSCXA:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_HSCXA_OFF);
                   bus_space_read_multi_1(t, h, SIE_ISURF_OFF_RW, buf, size);
                   break;
           case ISIC_WHAT_HSCXB:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_HSCXB_OFF);
                   bus_space_read_multi_1(t, h, SIE_ISURF_OFF_RW, buf, size);
                   break;
           }
   }
   
   #endif
   
   /*---------------------------------------------------------------------------*
    *      Siemens I-Surf 2.0 PnP ISAC put fifo routine
    *---------------------------------------------------------------------------*/
   #if defined(__FreeBSD__)
   
   static void
   siemens_isurf_write_fifo(void *base, const void *buf, size_t len)
   {
           if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXB)
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_HSCXB_OFF);
                   outsb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (const u_char *)buf, (u_int)len);
           }
           else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXA)
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_HSCXA_OFF);
                   outsb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (const u_char *)buf, (u_int)len);
           }               
           else /* if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDISAC) */
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, IPAC_ISAC_OFF);
                   outsb((((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW), (const u_char *)buf, (u_int)len);
           }
   }
   
   #else
   
   static void
   siemens_isurf_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, SIE_ISURF_OFF_ALE, IPAC_ISAC_OFF);
                   bus_space_write_multi_1(t, h, SIE_ISURF_OFF_RW, (u_int8_t*)buf, size);
                   break;
           case ISIC_WHAT_HSCXA:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_HSCXA_OFF);
                   bus_space_write_multi_1(t, h, SIE_ISURF_OFF_RW, (u_int8_t*)buf, size);
                   break;
           case ISIC_WHAT_HSCXB:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_HSCXB_OFF);
                   bus_space_write_multi_1(t, h, SIE_ISURF_OFF_RW, (u_int8_t*)buf, size);
                   break;
           }
   }
   
   #endif
   
   /*---------------------------------------------------------------------------*
    *      Siemens I-Surf 2.0 PnP ISAC put register routine
    *---------------------------------------------------------------------------*/
   #if defined(__FreeBSD__)
   
   static void
   siemens_isurf_write_reg(u_char *base, u_int offset, u_int v)
   {
           if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXB)
           {
                   outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_HSCXB_OFF));
                   outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW, (u_char)v);
           }               
           else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXA)
           {
                   outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_HSCXA_OFF));
                   outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW, (u_char)v);
           }               
           else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDISAC)
           {
                   outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_ISAC_OFF));
                   outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW, (u_char)v);
           }               
           else /* IPAC */
           {
                   outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_IPAC_OFF));
                   outb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW, (u_char)v);
           }               
   }
   
   #else
   
   static void
   siemens_isurf_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, SIE_ISURF_OFF_ALE, IPAC_ISAC_OFF+offs);
                   bus_space_write_1(t, h, SIE_ISURF_OFF_RW, data);
                   break;
           case ISIC_WHAT_HSCXA:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_HSCXA_OFF+offs);
                   bus_space_write_1(t, h, SIE_ISURF_OFF_RW, data);
                   break;
           case ISIC_WHAT_HSCXB:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_HSCXB_OFF+offs);
                   bus_space_write_1(t, h, SIE_ISURF_OFF_RW, data);
                   break;
           case ISIC_WHAT_IPAC:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_IPAC_OFF+offs);
                   bus_space_write_1(t, h, SIE_ISURF_OFF_RW, data);
                   break;
           }
   }
   
   #endif
   
   /*---------------------------------------------------------------------------*
    *      Siemens I-Surf 2.0 PnP ISAC get register routine
    *---------------------------------------------------------------------------*/
   #if defined(__FreeBSD__)
   
   static u_char
   siemens_isurf_read_reg(u_char *base, u_int offset)
   {
           if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXB)
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_HSCXB_OFF));
                   return(inb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW));
           }
           else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDHSCXA)
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_HSCXA_OFF));
                   return(inb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW));
           }               
           else if(((u_int)base & SIE_ISURF_OFF_MASK) == SIE_ISURF_IDISAC)
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_ISAC_OFF));
                   return(inb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW));
           }               
           else /* IPAC */
           {
                   outb((u_int)((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_ALE, (u_char)(offset+IPAC_IPAC_OFF));
                   return(inb(((u_int)base & SIE_ISURF_BASE_MASK) + SIE_ISURF_OFF_RW));
           }               
   }
   
   #else
   
   static u_int8_t
   siemens_isurf_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, SIE_ISURF_OFF_ALE, IPAC_ISAC_OFF+offs);
                   return bus_space_read_1(t, h, SIE_ISURF_OFF_RW);
           case ISIC_WHAT_HSCXA:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_HSCXA_OFF+offs);
                   return bus_space_read_1(t, h, SIE_ISURF_OFF_RW);
           case ISIC_WHAT_HSCXB:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_HSCXB_OFF+offs);
                   return bus_space_read_1(t, h, SIE_ISURF_OFF_RW);
           case ISIC_WHAT_IPAC:
                   bus_space_write_1(t, h, SIE_ISURF_OFF_ALE, IPAC_IPAC_OFF+offs);
                   return bus_space_read_1(t, h, SIE_ISURF_OFF_RW);
           }
           return 0;
   }
   
   #endif
   
   /*---------------------------------------------------------------------------*
    *      isic_probe_siemens_isurf - probe for Siemens I-Surf 2.0 PnP
    *---------------------------------------------------------------------------*/
   #if defined(__FreeBSD__)
   
   int
   isic_probe_siemens_isurf(struct isa_device *dev, unsigned int iobase2)
   {
           struct isic_softc *sc = &l1_sc[dev->id_unit];
           
           /* check max unit range */
           
           if(dev->id_unit >= ISIC_MAXUNIT)
           {
                   printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Siemens I-Surf 2.0 PnP\n",
                                   dev->id_unit, dev->id_unit);
                   return(0);      
           }       
           sc->sc_unit = dev->id_unit;
   
           /* check IRQ validity */
   
           switch(ffs(dev->id_irq) - 1)
           {
                   case 3:
                   case 4:         
                   case 5:
                   case 7:
                   case 10:
                   case 11:
                   case 12:
                   case 15:                
                           break;
                           
                   default:
                           printf("isic%d: Error, invalid IRQ [%d] specified for Siemens I-Surf 2.0 PnP!\n",
                                   dev->id_unit, ffs(dev->id_irq)-1);
                           return(0);
                           break;
           }
           sc->sc_irq = dev->id_irq;
   
           /* check if memory addr specified */
   
           if(dev->id_maddr)
           {
                   printf("isic%d: Error, mem addr 0x%lx specified for Siemens I-Surf 2.0 PnP!\n",
                           dev->id_unit, (u_long)dev->id_maddr);
                   return(0);
           }
           dev->id_msize = 0;
           
           /* check if we got an iobase */
   
           if(!((dev->id_iobase >= 0x100) && (dev->id_iobase <= 0xfffc)))
           {
                   printf("isic%d: Error, invalid iobase 0x%x specified for Siemens I-Surf 2.0 PnP!\n",
                           dev->id_unit, dev->id_iobase);
                   return(0);
           }
           sc->sc_port = dev->id_iobase;
   
   
           /* setup access routines */
   
           sc->clearirq = NULL;
           sc->readreg = siemens_isurf_read_reg;
           sc->writereg = siemens_isurf_write_reg;
   
           sc->readfifo = siemens_isurf_read_fifo;
           sc->writefifo = siemens_isurf_write_fifo;
   
           /* setup card type */
           
           sc->sc_cardtyp = CARD_TYPEP_SIE_ISURF2;
   
           /* setup IOM bus type */
           
           sc->sc_bustyp = BUS_TYPE_IOM2;
   
           /* setup chip type = IPAC ! */
           
           sc->sc_ipac = 1;
           sc->sc_bfifolen = IPAC_BFIFO_LEN;
           
           
           return (1);
   }
   
   /*---------------------------------------------------------------------------*
    *      isic_attach_siemens_isurf - attach for Siemens I-Surf 2.0 PnP
    *---------------------------------------------------------------------------*/
   int
   isic_attach_siemens_isurf(struct isa_device *dev, unsigned int iobase2)
   {
           struct isic_softc *sc = &l1_sc[dev->id_unit];
   
           /* setup ISAC and HSCX base addr */
   
           ISAC_BASE   = (caddr_t) ((u_int)sc->sc_port | SIE_ISURF_IDISAC);
           HSCX_A_BASE = (caddr_t) ((u_int)sc->sc_port | SIE_ISURF_IDHSCXA);
           HSCX_B_BASE = (caddr_t) ((u_int)sc->sc_port | SIE_ISURF_IDHSCXB);
           IPAC_BASE   = (caddr_t) ((u_int)sc->sc_port | SIE_ISURF_IDIPAC);
   
           /* enable hscx/isac irq's */
           IPAC_WRITE(IPAC_MASK, (IPAC_MASK_INT1 | IPAC_MASK_INT0));
   
           IPAC_WRITE(IPAC_ACFG, 0);       /* outputs are open drain */
           IPAC_WRITE(IPAC_AOE,            /* aux 5..2 are inputs, 7, 6 outputs */
                   (IPAC_AOE_OE5 | IPAC_AOE_OE4 | IPAC_AOE_OE3 | IPAC_AOE_OE2));
           IPAC_WRITE(IPAC_ATX, 0xff);     /* set all output lines high */
   
           return(1);
   }
   
   #else
   
   void
   isic_attach_siemens_isurf(struct isic_softc *sc)
   {
           /* setup access routines */
   
           sc->clearirq = NULL;
           sc->readreg = siemens_isurf_read_reg;
           sc->writereg = siemens_isurf_write_reg;
   
           sc->readfifo = siemens_isurf_read_fifo;
           sc->writefifo = siemens_isurf_write_fifo;
   
           /* setup card type */
   
           sc->sc_cardtyp = CARD_TYPEP_SIE_ISURF2;
   
           /* setup IOM bus type */
   
           sc->sc_bustyp = BUS_TYPE_IOM2;
   
           /* setup chip type = IPAC ! */
   
           sc->sc_ipac = 1;
           sc->sc_bfifolen = IPAC_BFIFO_LEN;        
   
           /* enable hscx/isac irq's */
   
           IPAC_WRITE(IPAC_MASK, (IPAC_MASK_INT1 | IPAC_MASK_INT0));
   
           IPAC_WRITE(IPAC_ACFG, 0);       /* outputs are open drain */
           IPAC_WRITE(IPAC_AOE,            /* aux 5..2 are inputs, 7, 6 outputs */
                   (IPAC_AOE_OE5 | IPAC_AOE_OE4 | IPAC_AOE_OE3 | IPAC_AOE_OE2));
           IPAC_WRITE(IPAC_ATX, 0xff);     /* set all output lines high */
   }
   
   #endif

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