The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/ct/ct_machdep.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /* $FreeBSD: releng/9.1/sys/dev/ct/ct_machdep.h 139749 2005-01-06 01:43:34Z imp $ */
    2 /*      $NecBSD: ct_machdep.h,v 1.4.12.2 2001/06/20 06:13:34 honda Exp $        */
    3 /*      $NetBSD$        */
    4 
    5 /*-
    6  * [NetBSD for NEC PC-98 series]
    7  *  Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001
    8  *      NetBSD/pc98 porting staff. All rights reserved.
    9  *  Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001
   10  *      Naofumi HONDA. All rights reserved.
   11  * 
   12  *  Redistribution and use in source and binary forms, with or without
   13  *  modification, are permitted provided that the following conditions
   14  *  are met:
   15  *  1. Redistributions of source code must retain the above copyright
   16  *     notice, this list of conditions and the following disclaimer.
   17  *  2. Redistributions in binary form must reproduce the above copyright
   18  *     notice, this list of conditions and the following disclaimer in the
   19  *     documentation and/or other materials provided with the distribution.
   20  *  3. The name of the author may not be used to endorse or promote products
   21  *     derived from this software without specific prior written permission.
   22  * 
   23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   26  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
   27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   32  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   33  * POSSIBILITY OF SUCH DAMAGE.
   34  */
   35 
   36 #ifndef _CT_MACHDEP_H_
   37 #define _CT_MACHDEP_H_
   38 
   39 #include "opt_ct.h"
   40 
   41 /*
   42  * Principal rules: 
   43  * 1) do not use bus_space_write/read_X directly in ct.c.
   44  * 2) do not use port offset defs directly in ct.c.
   45  */
   46 
   47 /* special weight if requried */
   48 #ifdef  CT_BUS_WEIGHT
   49 #undef  CT_BUS_WEIGHT
   50 #define CT_BUS_WEIGHT(chp)                      \
   51 {                                               \
   52         if ((chp)->ch_bus_weight != NULL)       \
   53                 (chp)->ch_bus_weight((chp));    \
   54 }
   55 #else   /* !CT_BUS_WEIGHT */
   56 #define CT_BUS_WEIGHT(chp)
   57 #endif  /* !CT_BUS_WEIGHT */
   58 
   59 /* port offset */
   60 #ifndef CT_USE_RELOCATE_OFFSET
   61 #define addr_port       0
   62 #define stat_port       0
   63 #define ctrl_port       2
   64 #define cmd_port        4
   65 #else   /* CT_USE_RELOCATE_OFFSET */
   66 #define addr_port       ((chp)->ch_offset[0])
   67 #define stat_port       ((chp)->ch_offset[1])
   68 #define ctrl_port       ((chp)->ch_offset[2])
   69 #define cmd_port        ((chp)->ch_offset[3])
   70 #endif  /* CT_USE_RELOCATE_OFFSET */
   71 
   72 /*
   73  * All port accesses primitive methods
   74  */
   75 static __inline u_int8_t ct_stat_read_1
   76         (struct ct_bus_access_handle *);
   77 static __inline u_int8_t ct_cmdp_read_1
   78         (struct ct_bus_access_handle *);
   79 static __inline void ct_cmdp_write_1
   80         (struct ct_bus_access_handle *, u_int8_t);
   81 static __inline u_int8_t ct_cr_read_1
   82         (struct ct_bus_access_handle *, bus_addr_t);
   83 static __inline void ct_cr_write_1
   84         (struct ct_bus_access_handle *, bus_addr_t, u_int8_t);
   85 static __inline void ct_write_cmds
   86         (struct ct_bus_access_handle *, u_int8_t *, int);
   87 static __inline u_int cthw_get_count
   88         (struct ct_bus_access_handle *);
   89 static __inline void cthw_set_count
   90         (struct ct_bus_access_handle *, u_int);
   91 
   92 static __inline u_int8_t
   93 ct_stat_read_1(chp)
   94         struct ct_bus_access_handle *chp;
   95 {
   96         u_int8_t regv;
   97 
   98         regv = bus_space_read_1(chp->ch_iot, chp->ch_ioh, stat_port);
   99         CT_BUS_WEIGHT(chp)
  100         return regv;
  101 }
  102 
  103 static __inline void
  104 cthw_set_count(chp, count)
  105         struct ct_bus_access_handle *chp;
  106         u_int count;
  107 {
  108         bus_space_tag_t bst = chp->ch_iot;
  109         bus_space_handle_t bsh = chp->ch_ioh;
  110 
  111         bus_space_write_1(bst, bsh, addr_port, wd3s_cnt);
  112         CT_BUS_WEIGHT(chp)
  113         bus_space_write_1(bst, bsh, ctrl_port, count >> 16);
  114         CT_BUS_WEIGHT(chp)
  115         bus_space_write_1(bst, bsh, ctrl_port, count >> 8);
  116         CT_BUS_WEIGHT(chp)
  117         bus_space_write_1(bst, bsh, ctrl_port, count);
  118         CT_BUS_WEIGHT(chp)
  119 }
  120 
  121 static __inline u_int
  122 cthw_get_count(chp)
  123         struct ct_bus_access_handle *chp;
  124 {
  125         bus_space_tag_t bst = chp->ch_iot;
  126         bus_space_handle_t bsh = chp->ch_ioh;
  127         u_int count;
  128 
  129         bus_space_write_1(bst, bsh, addr_port, wd3s_cnt);
  130         CT_BUS_WEIGHT(chp)
  131         count = (((u_int) bus_space_read_1(bst, bsh, ctrl_port)) << 16);
  132         CT_BUS_WEIGHT(chp)
  133         count += (((u_int) bus_space_read_1(bst, bsh, ctrl_port)) << 8);
  134         CT_BUS_WEIGHT(chp)
  135         count += ((u_int) bus_space_read_1(bst, bsh, ctrl_port));
  136         CT_BUS_WEIGHT(chp)
  137         return count;
  138 }
  139 
  140 static __inline void
  141 ct_write_cmds(chp, cmd, len)
  142         struct ct_bus_access_handle *chp;
  143         u_int8_t *cmd;
  144         int len;
  145 {
  146         bus_space_tag_t bst = chp->ch_iot;
  147         bus_space_handle_t bsh = chp->ch_ioh;
  148         int i;
  149 
  150         bus_space_write_1(bst, bsh, addr_port, wd3s_cdb);
  151         CT_BUS_WEIGHT(chp)
  152         for (i = 0; i < len; i ++)
  153         {
  154                 bus_space_write_1(bst, bsh, ctrl_port, cmd[i]);
  155                 CT_BUS_WEIGHT(chp)
  156         }
  157 }       
  158 
  159 static __inline u_int8_t
  160 ct_cr_read_1(chp, offs)
  161         struct ct_bus_access_handle *chp;
  162         bus_addr_t offs;
  163 {
  164         bus_space_tag_t bst = chp->ch_iot;
  165         bus_space_handle_t bsh = chp->ch_ioh;
  166         u_int8_t regv;
  167 
  168         bus_space_write_1(bst, bsh, addr_port, offs);
  169         CT_BUS_WEIGHT(chp)
  170         regv = bus_space_read_1(bst, bsh, ctrl_port);
  171         CT_BUS_WEIGHT(chp)
  172         return regv;
  173 }
  174 
  175 static __inline void
  176 ct_cr_write_1(chp, offs, val)
  177         struct ct_bus_access_handle *chp;
  178         bus_addr_t offs;
  179         u_int8_t val;
  180 {
  181         bus_space_tag_t bst = chp->ch_iot;
  182         bus_space_handle_t bsh = chp->ch_ioh;
  183 
  184         bus_space_write_1(bst, bsh, addr_port, offs);
  185         CT_BUS_WEIGHT(chp)
  186         bus_space_write_1(bst, bsh, ctrl_port, val);
  187         CT_BUS_WEIGHT(chp)
  188 }
  189 
  190 static __inline u_int8_t
  191 ct_cmdp_read_1(chp)
  192         struct ct_bus_access_handle *chp;
  193 {
  194         u_int8_t regv;
  195 
  196         regv = bus_space_read_1(chp->ch_iot, chp->ch_ioh, cmd_port);
  197         CT_BUS_WEIGHT(chp)
  198         return regv;
  199 }
  200 
  201 static __inline void
  202 ct_cmdp_write_1(chp, val)
  203         struct ct_bus_access_handle *chp;
  204         u_int8_t val;
  205 {
  206 
  207         bus_space_write_1(chp->ch_iot, chp->ch_ioh, cmd_port, val);
  208         CT_BUS_WEIGHT(chp)
  209 }
  210 
  211 #if     defined(__i386__) && 0
  212 #define SOFT_INTR_REQUIRED(slp) (softintr((slp)->sl_irq))
  213 #else   /* !__i386__ */
  214 #define SOFT_INTR_REQUIRED(slp)
  215 #endif  /* !__i386__ */
  216 #endif  /* !_CT_MACHDEP_H_ */

Cache object: 57cc009ff50f9774c392842a11d5a74a


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.