sys/arch/arm/include/isa_machdep.h

   1 /*      $NetBSD: isa_machdep.h,v 1.10 2012/10/27 17:17:39 chs Exp $     */
   2
   3 /*-
   4  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
   9  * NASA Ames Research Center.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef _ARM32_ISA_MACHDEP_H_
  34 #define _ARM32_ISA_MACHDEP_H_
  35
  36 #include <sys/bus.h>
  37 #include <dev/isa/isadmavar.h>
  38
  39 /*
  40  * Types provided to machine-independent ISA code.
  41  */
  42 struct arm32_isa_chipset {
  43         struct isa_dma_state ic_dmastate;
  44 };
  45
  46 typedef struct arm32_isa_chipset *isa_chipset_tag_t;
  47
  48 struct isabus_attach_args;      /* XXX */
  49
  50 /*
  51  * Functions provided to machine-independent ISA code.
  52  */
  53 void    isa_attach_hook(device_t, device_t,
  54             struct isabus_attach_args *);
  55 void    isa_detach_hook(isa_chipset_tag_t, device_t);
  56 const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
  57 void    *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
  58             int level, int (*ih_fun)(void *), void *ih_arg);
  59 void    isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
  60
  61 #define isa_dmainit(ic, bst, dmat, d)                                   \
  62         _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
  63 #define isa_dmadestroy(ic)                                              \
  64         _isa_dmadestroy(&(ic)->ic_dmastate)
  65 #define isa_dmacascade(ic, c)                                           \
  66         _isa_dmacascade(&(ic)->ic_dmastate, (c))
  67 #define isa_dmamaxsize(ic, c)                                           \
  68         _isa_dmamaxsize(&(ic)->ic_dmastate, (c))
  69 #define isa_dmamap_create(ic, c, s, f)                                  \
  70         _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
  71 #define isa_dmamap_destroy(ic, c)                                       \
  72         _isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
  73 #define isa_dmastart(ic, c, a, n, p, f, bf)                             \
  74         _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
  75 #define isa_dmaabort(ic, c)                                             \
  76         _isa_dmaabort(&(ic)->ic_dmastate, (c))
  77 #define isa_dmacount(ic, c)                                             \
  78         _isa_dmacount(&(ic)->ic_dmastate, (c))
  79 #define isa_dmafinished(ic, c)                                          \
  80         _isa_dmafinished(&(ic)->ic_dmastate, (c))
  81 #define isa_dmadone(ic, c)                                              \
  82         _isa_dmadone(&(ic)->ic_dmastate, (c))
  83 #define isa_dmafreeze(ic)                                               \
  84         _isa_dmafreeze(&(ic)->ic_dmastate)
  85 #define isa_dmathaw(ic)                                                 \
  86         _isa_dmathaw(&(ic)->ic_dmastate)
  87 #define isa_dmamem_alloc(ic, c, s, ap, f)                               \
  88         _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
  89 #define isa_dmamem_free(ic, c, a, s)                                    \
  90         _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
  91 #define isa_dmamem_map(ic, c, a, s, kp, f)                              \
  92         _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
  93 #define isa_dmamem_unmap(ic, c, k, s)                                   \
  94         _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
  95 #define isa_dmamem_mmap(ic, c, a, s, o, p, f)                           \
  96         _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
  97 #define isa_drq_alloc(ic, c)                                            \
  98         _isa_drq_alloc(&(ic)->ic_dmastate, c)
  99 #define isa_drq_free(ic, c)                                             \
 100         _isa_drq_free(&(ic)->ic_dmastate, c)
 101 #define isa_drq_isfree(ic, c)                                           \
 102         _isa_drq_isfree(&(ic)->ic_dmastate, (c))
 103 #define isa_malloc(ic, c, s, p, f)                                      \
 104         _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
 105 #define isa_free(a, p)                                                  \
 106         _isa_free((a), (p))
 107 #define isa_mappage(m, o, p)                                            \
 108         _isa_mappage((m), (o), (p))
 109
 110 /*
 111  * ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED
 112  * BY PORTABLE CODE.
 113  */
 114
 115 extern struct arm32_bus_dma_tag isa_bus_dma_tag;
 116
 117 /* bus space tags */
 118 extern struct bus_space isa_io_bs_tag;
 119 extern struct bus_space isa_mem_bs_tag;
 120
 121 /* ISA chipset */
 122 extern struct arm32_isa_chipset isa_chipset_tag;
 123
 124 /* for pccons.c */
 125 #define MONO_BASE           0x3B4
 126 #define MONO_BUF            0x000B0000
 127 #define CGA_BASE            0x3D4
 128 #define CGA_BUF             0x000B8000
 129 #define VGA_BUF             0xA0000
 130 #define VGA_BUF_LEN         (0xBFFFF - 0xA0000)
 131
 132 void    isa_init(vaddr_t, vaddr_t);
 133 void    isa_io_init(vaddr_t, vaddr_t);
 134 void    isa_dma_init(void);
 135 vaddr_t isa_io_data_vaddr(void);
 136 vaddr_t isa_mem_data_vaddr(void);
 137 int isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq);
 138 void    isa_intr_init(void);
 139
 140 /*
 141  * Miscellanous functions.
 142  */
 143 void sysbeep(int, int);         /* beep with the system speaker */
 144 void isa_fillw(u_int val, void *addr, size_t len);
 145
 146 #endif  /* _ARM32_ISA_MACHDEP_H_ XXX */