The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/isapnp/isic_isapnp_ctx_s0P.c

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    1 /*
    2  * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions
    6  * are met:
    7  * 1. Redistributions of source code must retain the above copyright
    8  *    notice, this list of conditions and the following disclaimer.
    9  * 2. Redistributions in binary form must reproduce the above copyright
   10  *    notice, this list of conditions and the following disclaimer in the
   11  *    documentation and/or other materials provided with the distribution.
   12  *
   13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   23  * SUCH DAMAGE.
   24  *
   25  *---------------------------------------------------------------------------
   26  *
   27  *      isic - I4B Siemens ISDN Chipset Driver for Creatix PnP cards
   28  *      ============================================================
   29  *
   30  *      $Id: isic_isapnp_ctx_s0P.c,v 1.4 2002/03/24 20:35:50 martin Exp $ 
   31  *
   32  *      last edit-date: [Fri Jan  5 11:38:29 2001]
   33  *
   34  *---------------------------------------------------------------------------*/
   35 
   36 #include <sys/cdefs.h>
   37 __KERNEL_RCSID(0, "$NetBSD: isic_isapnp_ctx_s0P.c,v 1.4 2002/03/24 20:35:50 martin Exp $");
   38 
   39 #include "opt_isicpnp.h"
   40 #if ISICPNP_CRTX_S0_P
   41 
   42 #include <sys/param.h>
   43 
   44 #if defined(__FreeBSD__) && __FreeBSD__ >= 3
   45 #include <sys/ioccom.h>
   46 #else
   47 #include <sys/ioctl.h>
   48 #endif
   49 
   50 #include <sys/kernel.h>
   51 #include <sys/systm.h>
   52 #include <sys/mbuf.h>
   53 
   54 #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
   55 #include <sys/callout.h>
   56 #endif
   57 
   58 #ifdef __FreeBSD__
   59 #include <machine/clock.h>
   60 #include <i386/isa/isa_device.h>
   61 #else
   62 #include <machine/bus.h>
   63 #include <sys/device.h>
   64 #endif
   65 
   66 #include <sys/socket.h>
   67 #include <net/if.h>
   68 
   69 #ifdef __FreeBSD__
   70 #include <machine/i4b_debug.h>
   71 #include <machine/i4b_ioctl.h>
   72 #else
   73 #include <netisdn/i4b_debug.h>
   74 #include <netisdn/i4b_ioctl.h>
   75 #endif
   76 
   77 #include <netisdn/i4b_global.h>
   78 #include <netisdn/i4b_l2.h>
   79 #include <netisdn/i4b_l1l2.h>
   80 
   81 #include <dev/ic/isic_l1.h>
   82 #include <dev/ic/isac.h>
   83 #include <dev/ic/hscx.h>
   84 
   85 #include <netisdn/i4b_l1l2.h>
   86 #include <netisdn/i4b_mbuf.h>
   87 
   88 #ifndef __FreeBSD__
   89 static u_int8_t ctxs0P_read_reg __P((struct isic_softc *sc, int what, bus_size_t offs));
   90 static void ctxs0P_write_reg __P((struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data));
   91 static void ctxs0P_read_fifo __P((struct isic_softc *sc, int what, void *buf, size_t size));
   92 static void ctxs0P_write_fifo __P((struct isic_softc *sc, int what, const void *data, size_t size));
   93 void isic_attach_Cs0P(struct isic_softc *sc);
   94 #endif
   95 
   96 #ifdef __FreeBSD__
   97 #include <i386/isa/pnp.h>
   98 extern void isicintr ( int unit );
   99 #endif
  100 
  101 /*---------------------------------------------------------------------------*
  102  *      Creatix ISDN-S0 P&P ISAC get fifo routine
  103  *---------------------------------------------------------------------------*/
  104 #ifdef __FreeBSD__
  105 
  106 static void             
  107 ctxs0P_read_fifo(void *buf, const void *base, size_t len)
  108 {
  109         insb((int)base + 0x3e, (u_char *)buf, (u_int)len);
  110 }
  111 
  112 #else
  113 
  114 static void
  115 ctxs0P_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size)
  116 {
  117         bus_space_tag_t t = sc->sc_maps[what+1].t;
  118         bus_space_handle_t h = sc->sc_maps[what+1].h;
  119         bus_size_t o = sc->sc_maps[what+1].offset;
  120         bus_space_read_multi_1(t, h, o + 0x3e, buf, size);
  121 }
  122 
  123 #endif
  124 
  125 /*---------------------------------------------------------------------------*
  126  *      Creatix ISDN-S0 P&P ISAC put fifo routine
  127  *---------------------------------------------------------------------------*/
  128 #ifdef __FreeBSD__
  129 
  130 static void
  131 ctxs0P_write_fifo(void *base, const void *buf, size_t len)
  132 {
  133         outsb((int)base + 0x3e, (u_char *)buf, (u_int)len);
  134 }
  135 
  136 #else
  137 
  138 static void
  139 ctxs0P_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size)
  140 {
  141         bus_space_tag_t t = sc->sc_maps[what+1].t;
  142         bus_space_handle_t h = sc->sc_maps[what+1].h;
  143         bus_size_t o = sc->sc_maps[what+1].offset;
  144         bus_space_write_multi_1(t, h, o + 0x3e, (u_int8_t*)buf, size);
  145 }
  146 #endif
  147 
  148 /*---------------------------------------------------------------------------*
  149  *      Creatix ISDN-S0 P&P ISAC put register routine
  150  *---------------------------------------------------------------------------*/
  151 #ifdef __FreeBSD__
  152 
  153 static void
  154 ctxs0P_write_reg(u_char *base, u_int offset, u_int v)
  155 {
  156         outb((int)base + offset, (u_char)v);
  157 }
  158 
  159 #else
  160 
  161 static void
  162 ctxs0P_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data)
  163 {
  164         bus_space_tag_t t = sc->sc_maps[what+1].t;
  165         bus_space_handle_t h = sc->sc_maps[what+1].h;
  166         bus_size_t o = sc->sc_maps[what+1].offset;
  167         bus_space_write_1(t, h, o + offs, data);
  168 }
  169 #endif
  170 
  171 /*---------------------------------------------------------------------------*
  172  *      Creatix ISDN-S0 P&P ISAC get register routine
  173  *---------------------------------------------------------------------------*/
  174 #ifdef __FreeBSD__
  175 
  176 static u_char
  177 ctxs0P_read_reg(u_char *base, u_int offset)
  178 {
  179         return (inb((int)base + offset));
  180 }
  181 
  182 #else
  183 
  184 static u_int8_t
  185 ctxs0P_read_reg(struct isic_softc *sc, int what, bus_size_t offs)
  186 {
  187         bus_space_tag_t t = sc->sc_maps[what+1].t;
  188         bus_space_handle_t h = sc->sc_maps[what+1].h;
  189         bus_size_t o = sc->sc_maps[what+1].offset;
  190         return bus_space_read_1(t, h, o + offs);
  191 }
  192 
  193 #endif
  194 
  195 #ifdef __FreeBSD__
  196 
  197 /*---------------------------------------------------------------------------*
  198  *      isic_probe_Cs0P - probe for Creatix ISDN-S0 P&P and compatibles
  199  *---------------------------------------------------------------------------*/
  200 int
  201 isic_probe_Cs0P(struct isa_device *dev, unsigned int iobase2)
  202 {
  203         struct isic_softc *sc = &l1_sc[dev->id_unit];
  204         
  205         /* check max unit range */
  206         
  207         if(dev->id_unit >= ISIC_MAXUNIT)
  208         {
  209                 printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Creatix ISDN-S0 P&P!\n",
  210                                 dev->id_unit, dev->id_unit);
  211                 return(0);      
  212         }       
  213         sc->sc_unit = dev->id_unit;
  214 
  215         /* check IRQ validity */
  216 
  217         switch(ffs(dev->id_irq) - 1)
  218         {
  219                 case 3:
  220                 case 5:
  221                 case 7:
  222                 case 10:
  223                 case 11:
  224                 case 12:
  225                         break;
  226                         
  227                 default:
  228                         printf("isic%d: Error, invalid IRQ [%d] specified for Creatix ISDN-S0 P&P!\n",
  229                                 dev->id_unit, ffs(dev->id_irq)-1);
  230                         return(0);
  231                         break;
  232         }
  233         sc->sc_irq = dev->id_irq;
  234 
  235         /* check if memory addr specified */
  236 
  237         if(dev->id_maddr)
  238         {
  239                 printf("isic%d: Error, mem addr 0x%lx specified for Creatix ISDN-S0 P&P!\n",
  240                         dev->id_unit, (u_long)dev->id_maddr);
  241                 return(0);
  242         }
  243         dev->id_msize = 0;
  244         
  245         if(iobase2 == 0)
  246         {
  247                 printf("isic%d: Error, iobase2 is 0 for Creatix ISDN-S0 P&P!\n",
  248                         dev->id_unit);
  249                 return(0);
  250         }
  251 
  252         /* check if we got an iobase */
  253 
  254         switch(dev->id_iobase)
  255         {
  256                 case 0x120:
  257                 case 0x180:
  258 /*XXX*/                 break;
  259                         
  260                 default:
  261                         printf("isic%d: Error, invalid iobase 0x%x specified for Creatix ISDN-S0 P&P!\n",
  262                                 dev->id_unit, dev->id_iobase);
  263                         return(0);
  264                         break;
  265         }
  266         sc->sc_port = dev->id_iobase;
  267 
  268         /* setup access routines */
  269 
  270         sc->clearirq = NULL;
  271         sc->readreg = ctxs0P_read_reg;
  272         sc->writereg = ctxs0P_write_reg;
  273 
  274         sc->readfifo = ctxs0P_read_fifo;
  275         sc->writefifo = ctxs0P_write_fifo;
  276 
  277         /* setup card type */
  278         
  279         sc->sc_cardtyp = CARD_TYPEP_CS0P;
  280 
  281         /* setup IOM bus type */
  282         
  283         sc->sc_bustyp = BUS_TYPE_IOM2;
  284 
  285         sc->sc_ipac = 0;
  286         sc->sc_bfifolen = HSCX_FIFO_LEN;
  287         
  288         /* setup ISAC and HSCX base addr */
  289         
  290         ISAC_BASE   = (caddr_t) dev->id_iobase - 0x20;
  291         HSCX_A_BASE = (caddr_t) iobase2 - 0x20;
  292         HSCX_B_BASE = (caddr_t) iobase2;
  293 
  294         /* 
  295          * Read HSCX A/B VSTR.  Expected value for the Creatix PnP card is
  296          * 0x05 ( = version 2.1 ) in the least significant bits.
  297          */
  298 
  299         if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) ||
  300             ((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) )
  301         {
  302                 printf("isic%d: HSCX VSTR test failed for Creatix PnP\n",
  303                         dev->id_unit);
  304                 printf("isic%d: HSC0: VSTR: %#x\n",
  305                         dev->id_unit, HSCX_READ(0, H_VSTR));
  306                 printf("isic%d: HSC1: VSTR: %#x\n",
  307                         dev->id_unit, HSCX_READ(1, H_VSTR));
  308                 return (0);
  309         }                   
  310 
  311         return (1);
  312 }
  313 
  314 /*---------------------------------------------------------------------------*
  315  *      isic_attach_s0163P - attach Creatix ISDN-S0 P&P
  316  *---------------------------------------------------------------------------*/
  317 int
  318 isic_attach_Cs0P(struct isa_device *dev, unsigned int iobase2)
  319 {
  320         outb((dev->id_iobase) + 0x1c, 0);
  321         DELAY(SEC_DELAY / 10);
  322         outb((dev->id_iobase) + 0x1c, 1);
  323         DELAY(SEC_DELAY / 10);
  324         return(1);
  325 }
  326 
  327 #else /* !__FreeBSD__ */
  328 
  329 void
  330 isic_attach_Cs0P(struct isic_softc *sc)
  331 {
  332         /* init card */
  333         bus_space_tag_t t = sc->sc_maps[0].t;
  334         bus_space_handle_t h = sc->sc_maps[0].h;
  335         bus_space_write_1(t, h, 0x1c, 0);
  336         DELAY(SEC_DELAY / 10);
  337         bus_space_write_1(t, h, 0x1c, 1);
  338         DELAY(SEC_DELAY / 10);
  339 
  340         /* setup access routines */
  341 
  342         sc->clearirq = NULL;
  343         sc->readreg = ctxs0P_read_reg;
  344         sc->writereg = ctxs0P_write_reg;
  345 
  346         sc->readfifo = ctxs0P_read_fifo;
  347         sc->writefifo = ctxs0P_write_fifo;
  348 
  349         /* setup card type */
  350         
  351         sc->sc_cardtyp = CARD_TYPEP_CS0P;
  352 
  353         /* setup IOM bus type */
  354         
  355         sc->sc_bustyp = BUS_TYPE_IOM2;
  356 
  357         sc->sc_ipac = 0;
  358         sc->sc_bfifolen = HSCX_FIFO_LEN;        
  359 }
  360 #endif
  361 
  362 #endif /* ISICPNP_CRTX_S0_P */
  363 

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