FreeBSD/Linux Kernel Cross Reference
sys/dev/pcmcia/isic_pcmcia_elsa_isdnmc.c

     /*-
      * Copyright (c) 2002 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Martin Husemann <martin@NetBSD.org>.
      *
      * 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. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: isic_pcmcia_elsa_isdnmc.c,v 1.6 2003/12/04 13:57:31 keihan Exp $");
    
    #include "opt_isicpcmcia.h"
    #ifdef ISICPCMCIA_ELSA_ISDNMC
    
    #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>
    
    #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
    #include <sys/callout.h>
    #endif
    
    #ifdef __FreeBSD__
    #include <machine/i4b_debug.h>
    #include <machine/i4b_ioctl.h>
    #else
    #include <netisdn/i4b_debug.h>
    #include <netisdn/i4b_ioctl.h>
    
    #include <dev/pcmcia/pcmciareg.h>
    #include <dev/pcmcia/pcmciavar.h>
    #endif
    
    #include <netisdn/i4b_l2.h>
    #include <netisdn/i4b_l1l2.h>
    #include <dev/ic/isic_l1.h>
    #include <dev/ic/isac.h>
    #include <dev/ic/hscx.h>
    
    #include <dev/pcmcia/isic_pcmcia.h>
    
    #ifndef __FreeBSD__
    /* PCMCIA support routines */
    static u_int8_t elsa_isdnmc_read_reg __P((struct isic_softc *sc, int what, bus_size_t offs));
    static void elsa_isdnmc_write_reg __P((struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data));
    static void elsa_isdnmc_read_fifo __P((struct isic_softc *sc, int what, void *buf, size_t size));
    static void elsa_isdnmc_write_fifo __P((struct isic_softc *sc, int what, const void *data, size_t size));
    static void elsa_isdnmc_clrirq __P((struct isic_softc *sc));
    #endif
    
    /*
     * The ELSA MicroLink ISDN/MC uses one contigous IO region,
     * mapped by the pcmcia code.
     * The chip access is via three ports:
    */
   #define ISAC_DATA       1       /* ISAC dataport at offset 1 */
   #define HSCX_DATA       2       /* HSCX dataport at offset 2 */
   #define ADDR_LATCH      4       /* address latch at offset 4 */
   
   /* This is very similar to the ELSA QuickStep 1000 (ISA) card */
   
   #ifdef __FreeBSD__
   static void
   elsa_isdnmc_clrirq(void *base)
   {
   }
   #else
   static void
   elsa_isdnmc_clrirq(struct isic_softc *sc)
   {
           ISAC_WRITE(I_MASK, 0xff);
           HSCX_WRITE(0, H_MASK, 0xff);
           HSCX_WRITE(1, H_MASK, 0xff);
           ISAC_WRITE(I_MASK, ISAC_IMASK);
           HSCX_WRITE(0, H_MASK, HSCX_A_IMASK);
           HSCX_WRITE(1, H_MASK, HSCX_B_IMASK);
   }
   #endif
   
   /*---------------------------------------------------------------------------*
    *      read fifo routines
    *---------------------------------------------------------------------------*/
   #ifdef __FreeBSD__
   static void             
   elsa_isdnmc_read_fifo(void *buf, const void *base, size_t len)
   {
   }
   #else
   static void
   elsa_isdnmc_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, ADDR_LATCH, 0);
                           bus_space_read_multi_1(t, h, ISAC_DATA, buf, size);
                           break;
                   case ISIC_WHAT_HSCXA:
                           bus_space_write_1(t, h, ADDR_LATCH, 0);
                           bus_space_read_multi_1(t, h, HSCX_DATA, buf, size);
                           break;
                   case ISIC_WHAT_HSCXB:
                           bus_space_write_1(t, h, ADDR_LATCH, 0x40);
                           bus_space_read_multi_1(t, h, HSCX_DATA, buf, size);
                           break;
           }
   }
   #endif
   
   /*---------------------------------------------------------------------------*
    *      write fifo routines
    *---------------------------------------------------------------------------*/
   #ifdef __FreeBSD__
   static void
   elsa_isdnmc_write_fifo(void *base, const void *buf, size_t len)
   {
   }
   #else
   static void
   elsa_isdnmc_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, ADDR_LATCH, 0);
                           bus_space_write_multi_1(t, h, ISAC_DATA, (u_int8_t*)buf, size);
                           break;
                   case ISIC_WHAT_HSCXA:
                           bus_space_write_1(t, h, ADDR_LATCH, 0);
                           bus_space_write_multi_1(t, h, HSCX_DATA, (u_int8_t*)buf, size);
                           break;
                   case ISIC_WHAT_HSCXB:
                           bus_space_write_1(t, h, ADDR_LATCH, 0x40);
                           bus_space_write_multi_1(t, h, HSCX_DATA, (u_int8_t*)buf, size);
                           break;
           }
   }
   #endif
   
   /*---------------------------------------------------------------------------*
    *      write register routines
    *---------------------------------------------------------------------------*/
   #ifdef __FreeBSD__
   static void
   elsa_isdnmc_write_reg(u_char *base, u_int offset, u_int v)
   {
   }
   #else
   static void
   elsa_isdnmc_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, ADDR_LATCH, offs);
                           bus_space_write_1(t, h, ISAC_DATA, data);
                           break;
                   case ISIC_WHAT_HSCXA:
                           bus_space_write_1(t, h, ADDR_LATCH, offs);
                           bus_space_write_1(t, h, HSCX_DATA, data);
                           break;
                   case ISIC_WHAT_HSCXB:
                           bus_space_write_1(t, h, ADDR_LATCH, 0x40+offs);
                           bus_space_write_1(t, h, HSCX_DATA, data);
                           break;
           }
   }
   #endif
   
   /*---------------------------------------------------------------------------*
    *      read register routines
    *---------------------------------------------------------------------------*/
   #ifdef __FreeBSD__
   static u_char
   elsa_isdnmc_read_reg(u_char *base, u_int offset)
   {
           return 0;
   }
   #else
   static u_int8_t
   elsa_isdnmc_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, ADDR_LATCH, offs);
                           return bus_space_read_1(t, h, ISAC_DATA);
                   case ISIC_WHAT_HSCXA:
                           bus_space_write_1(t, h, ADDR_LATCH, offs);
                           return bus_space_read_1(t, h, HSCX_DATA);
                   case ISIC_WHAT_HSCXB:
                           bus_space_write_1(t, h, ADDR_LATCH, 0x40+offs);
                           return bus_space_read_1(t, h, HSCX_DATA);
           }
           return 0;
   }
   #endif
   
   #ifdef __FreeBSD__
   #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.
    */
   int
   isic_attach_elsaisdnmc(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 */
           if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
                               cfe->iospace[0].length, &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;
           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 = elsa_isdnmc_clrirq;
   
           sc->readreg = elsa_isdnmc_read_reg;
           sc->writereg = elsa_isdnmc_write_reg;
   
           sc->readfifo = elsa_isdnmc_read_fifo;
           sc->writefifo = elsa_isdnmc_write_fifo;
   
           /* setup IOM bus type */
           
           sc->sc_bustyp = BUS_TYPE_IOM2;
   
           sc->sc_ipac = 0;
           sc->sc_bfifolen = HSCX_FIFO_LEN;
   
           return 1;
   }
   #endif
   
   #endif /* ISICPCMCIA_ELSA_ISDNMC */

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