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


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FreeBSD/Linux Kernel Cross Reference
sys/dev/pccard/card_if.m

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    1 #-
    2 # Copyright (c) 1999 M. Warner Losh.
    3 # All rights reserved.
    4 #
    5 # Redistribution and use in source and binary forms, with or without
    6 # modification, are permitted provided that the following conditions
    7 # are met:
    8 # 1. Redistributions of source code must retain the above copyright
    9 #    notice, this list of conditions and the following disclaimer.
   10 # 2. Redistributions in binary form must reproduce the above copyright
   11 #    notice, this list of conditions and the following disclaimer in the
   12 #    documentation and/or other materials provided with the distribution.
   13 #
   14 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24 # SUCH DAMAGE.
   25 #
   26 # $FreeBSD: releng/7.3/sys/dev/pccard/card_if.m 150533 2005-09-25 01:39:04Z imp $
   27 #
   28 
   29 #include <sys/bus.h>
   30 #include <machine/bus.h>
   31 #include <dev/pccard/pccardvar.h>
   32 
   33 INTERFACE card;
   34 
   35 #
   36 # Companion interface for pccard.  We need to set attributes for memory
   37 # and i/o port mappings (as well as other types of attributes) that have
   38 # a well defined meaning inside the pccard/cardbus system.  The bus
   39 # methods are inadequate for this because this must be done at the time the
   40 # resources are set for the device, which predates their activation.  Also,
   41 # the driver activating the resources doesn't necessarily know or need to know
   42 # these attributes.
   43 #
   44 METHOD int set_res_flags {
   45         device_t dev;
   46         device_t child;
   47         int      restype;
   48         int      rid;
   49         u_long   value;
   50 };
   51 
   52 METHOD int get_res_flags {
   53         device_t dev;
   54         device_t child;
   55         int      restype;
   56         int      rid;
   57         u_long   *value;
   58 };
   59 
   60 #
   61 # Sets the memory offset of the pccard bridge's window into attribute
   62 # or common memory space.
   63 #
   64 METHOD int set_memory_offset {
   65         device_t  dev;
   66         device_t  child;
   67         int       rid;
   68         uint32_t cardaddr;
   69         uint32_t *deltap;
   70 }
   71 
   72 METHOD int get_memory_offset {
   73         device_t  dev;
   74         device_t  child;
   75         int       rid;
   76         uint32_t *offset;
   77 }
   78 
   79 #
   80 # pccard bridges call this method to initate the attachment of a card
   81 #
   82 METHOD int attach_card {
   83         device_t  dev;
   84 }
   85 
   86 #
   87 # pccard bridges call this to detach a card.
   88 #
   89 METHOD int detach_card {
   90         device_t  dev;
   91 }
   92 
   93 #
   94 # Find "dev" in the passed table of devices.  Return it or NULL.
   95 #
   96 METHOD struct pccard_product * do_product_lookup {
   97         device_t bus;
   98         device_t dev;
   99         const struct pccard_product *tab;
  100         size_t ent_size;
  101         pccard_product_match_fn matchfn;
  102 }
  103 
  104 #
  105 # Helper method for the above.  When a compatibility driver is converted,
  106 # one must write a match routine.  This routine is unused on OLDCARD but
  107 # is used as a discriminator for NEWCARD.
  108 #
  109 METHOD int compat_match {
  110         device_t dev;
  111 }
  112 
  113 #
  114 # Scanning function for accessing the CIS of a card in its driver.
  115 #
  116 METHOD int cis_scan {
  117         device_t bus;
  118         device_t dev;
  119         pccard_scan_t fnp;
  120         void *argp;
  121 };
  122 
  123 #
  124 # Convenience function to read attribute memory.
  125 #
  126 METHOD int attr_read {
  127         device_t bus;
  128         device_t dev;
  129         uint32_t offset;
  130         uint8_t *val;
  131 }
  132 
  133 #
  134 # Convenience function to write attribute memory.
  135 #
  136 METHOD int attr_write {
  137         device_t bus;
  138         device_t dev;
  139         uint32_t offset;
  140         uint8_t val;
  141 }
  142 
  143 #
  144 # Read the CCR register
  145 #
  146 METHOD int ccr_read {
  147         device_t bus;
  148         device_t dev;
  149         uint32_t offset;
  150         uint8_t *val;
  151 }
  152 
  153 #
  154 # Write the CCR register
  155 #
  156 METHOD int ccr_write {
  157         device_t bus;
  158         device_t dev;
  159         uint32_t offset;
  160         uint8_t val;
  161 }

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