sys/arch/alpha/include/eisa_machdep.h

   1 /* $NetBSD: eisa_machdep.h,v 1.7.90.1 2007/10/03 19:22:02 garbled Exp $ */
   2
   3 /*
   4  * Copyright (c) 1996 Carnegie-Mellon University.
   5  * All rights reserved.
   6  *
   7  * Author: Chris G. Demetriou
   8  *
   9  * Permission to use, copy, modify and distribute this software and
  10  * its documentation is hereby granted, provided that both the copyright
  11  * notice and this permission notice appear in all copies of the
  12  * software, derivative works or modified versions, and any portions
  13  * thereof, and that both notices appear in supporting documentation.
  14  *
  15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  18  *
  19  * Carnegie Mellon requests users of this software to return to
  20  *
  21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  22  *  School of Computer Science
  23  *  Carnegie Mellon University
  24  *  Pittsburgh PA 15213-3890
  25  *
  26  * any improvements or extensions that they make and grant Carnegie the
  27  * rights to redistribute these changes.
  28  */
  29
  30 /*
  31  * Types provided to machine-independent EISA code.
  32  */
  33 typedef struct alpha_eisa_chipset *eisa_chipset_tag_t;
  34 typedef int eisa_intr_handle_t;
  35
  36 struct alpha_eisa_chipset {
  37         void    *ec_v;
  38
  39         void    (*ec_attach_hook)(struct device *, struct device *,
  40                     struct eisabus_attach_args *);
  41         int     (*ec_maxslots)(void *);
  42         int     (*ec_intr_map)(void *, u_int, eisa_intr_handle_t *);
  43         const char *(*ec_intr_string)(void *, eisa_intr_handle_t);
  44         const struct evcnt *(*ec_intr_evcnt)(void *, eisa_intr_handle_t);
  45         void    *(*ec_intr_establish)(void *, eisa_intr_handle_t,
  46                     int, int, int (*)(void *), void *);
  47         void    (*ec_intr_disestablish)(void *, void *);
  48 };
  49
  50 /*
  51  * Functions provided to machine-independent EISA code.
  52  */
  53 #define eisa_attach_hook(p, s, a)                                       \
  54     (*(a)->eba_ec->ec_attach_hook)((p), (s), (a))
  55 #define eisa_maxslots(c)                                                \
  56     (*(c)->ec_maxslots)((c)->ec_v)
  57 #define eisa_intr_map(c, i, hp)                                         \
  58     (*(c)->ec_intr_map)((c)->ec_v, (i), (hp))
  59 #define eisa_intr_string(c, h)                                          \
  60     (*(c)->ec_intr_string)((c)->ec_v, (h))
  61 #define eisa_intr_evcnt(c, h)                                           \
  62     (*(c)->ec_intr_evcnt)((c)->ec_v, (h))
  63 #define eisa_intr_establish(c, h, t, l, f, a)                           \
  64     (*(c)->ec_intr_establish)((c)->ec_v, (h), (t), (l), (f), (a))
  65 #define eisa_intr_disestablish(c, h)                                    \
  66     (*(c)->ec_intr_disestablish)((c)->ec_v, (h))
  67
  68 int     eisa_conf_read_mem(eisa_chipset_tag_t, int, int, int,
  69             struct eisa_cfg_mem *);
  70 int     eisa_conf_read_irq(eisa_chipset_tag_t, int, int, int,
  71             struct eisa_cfg_irq *);
  72 int     eisa_conf_read_dma(eisa_chipset_tag_t, int, int, int,
  73             struct eisa_cfg_dma *);
  74 int     eisa_conf_read_io(eisa_chipset_tag_t, int, int, int,
  75             struct eisa_cfg_io *);
  76
  77 /*
  78  * Internal functions, NOT TO BE USED BY MACHINE-INDEPENDENT CODE!
  79  */
  80
  81 void    eisa_init(eisa_chipset_tag_t);
  82
  83 extern bus_size_t eisa_config_stride;
  84 extern paddr_t eisa_config_addr;