sys/arch/i386/include/eisa_machdep.h

   1 /*      $NetBSD: eisa_machdep.h,v 1.14 2015/04/27 08:30:11 knakahara Exp $      */
   2
   3 /*
   4  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Christopher G. Demetriou
  17  *      for the NetBSD Project.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * Machine-specific definitions for EISA autoconfiguration.
  35  */
  36
  37 /*
  38  * i386-specific EISA definitions.
  39  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
  40  */
  41 #define EISA_ID                 "EISA"
  42 #define EISA_ID_LEN             (sizeof(EISA_ID) - 1)
  43 #define EISA_ID_PADDR           0xfffd9
  44
  45 extern struct x86_bus_dma_tag eisa_bus_dma_tag;
  46
  47 /* EISA Edge/Level trigger control registers */
  48 #define ELCR0   0x4d0                   /* eisa irq 0-7 */
  49 #define ELCR1   0x4d1                   /* eisa irq 8-15 */
  50
  51 #include <machine/intr.h> /* for intr_handle_t */
  52 /*
  53  * Types provided to machine-independent EISA code.
  54  */
  55 typedef void *eisa_chipset_tag_t;
  56 typedef intr_handle_t eisa_intr_handle_t;
  57
  58 /*
  59  * Functions provided to machine-independent EISA code.
  60  */
  61 void            eisa_attach_hook(device_t, device_t,
  62                     struct eisabus_attach_args *);
  63 int             eisa_maxslots(eisa_chipset_tag_t);
  64 int             eisa_intr_map(eisa_chipset_tag_t, u_int,
  65                     eisa_intr_handle_t *);
  66 const char      *eisa_intr_string(eisa_chipset_tag_t, eisa_intr_handle_t,
  67                     char *, size_t);
  68 const struct evcnt *eisa_intr_evcnt(eisa_chipset_tag_t, eisa_intr_handle_t);
  69 void            *eisa_intr_establish(eisa_chipset_tag_t,
  70                     eisa_intr_handle_t, int, int, int (*)(void *), void *);
  71 void            eisa_intr_disestablish(eisa_chipset_tag_t, void *);
  72
  73 int             eisa_conf_read_mem(eisa_chipset_tag_t, int, int, int,
  74                     struct eisa_cfg_mem *);
  75 int             eisa_conf_read_irq(eisa_chipset_tag_t, int, int, int,
  76                     struct eisa_cfg_irq *);
  77 int             eisa_conf_read_dma(eisa_chipset_tag_t, int, int, int,
  78                     struct eisa_cfg_dma *);
  79 int             eisa_conf_read_io(eisa_chipset_tag_t, int, int, int,
  80                     struct eisa_cfg_io *);