sys/arch/x68k/dev/intiovar.h

   1 /*      $NetBSD: intiovar.h,v 1.12 2008/12/18 05:24:03 isaki Exp $      */
   2
   3 /*
   4  *
   5  * Copyright (c) 1998 NetBSD Foundation, Inc.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *        This product includes software developed by the NetBSD
  19  *        Foundation, Inc. and its contributors.
  20  * 4. 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33  * POSSIBILITY OF SUCH DAMAGE.
  34  */
  35
  36 /*
  37  * NetBSD/x68k internal I/O virtual bus.
  38  */
  39
  40 #ifndef _INTIOVAR_H_
  41 #define _INTIOVAR_H_
  42
  43 #include <machine/frame.h>
  44 #include <sys/malloc.h>
  45 #include <sys/extent.h>
  46 #include "locators.h"
  47
  48 #define cf_addr         cf_loc[INTIOCF_ADDR]
  49 #define cf_intr         cf_loc[INTIOCF_INTR]
  50 #define cf_dma          cf_loc[INTIOCF_DMA]
  51 #define cf_dmaintr      cf_loc[INTIOCF_DMAINTR]
  52
  53
  54 struct intio_attach_args {
  55         bus_space_tag_t ia_bst; /* bus_space tag */
  56         bus_dma_tag_t   ia_dmat; /* bus_dma tag */
  57
  58         const char      *ia_name; /* device name */
  59         int             ia_addr; /* addr */
  60         int             ia_size;
  61         int             ia_intr; /* interrupt vector */
  62         int             ia_dma; /* dma channel */
  63         int             ia_dmaintr; /* interrupt vector for dmac */
  64 };
  65
  66 struct intio_softc {
  67         bus_space_tag_t sc_bst;
  68         bus_dma_tag_t   sc_dmat;
  69         struct extent   *sc_map;
  70         device_t        sc_dmac;
  71 };
  72
  73 enum intio_map_flag {
  74         INTIO_MAP_ALLOCATE = 0,
  75         INTIO_MAP_TESTONLY = 1
  76 };
  77 int intio_map_allocate_region(device_t, struct intio_attach_args *,
  78         enum intio_map_flag);
  79 int intio_map_free_region(device_t, struct intio_attach_args *);
  80
  81 typedef int (*intio_intr_handler_t)(void *);
  82
  83 int intio_intr_establish(int, const char *, intio_intr_handler_t, void *);
  84 int intio_intr_establish_ext(int, const char *, const char *,
  85         intio_intr_handler_t, void *);
  86 int intio_intr_disestablish(int, void *);
  87 int intio_intr(struct frame *);
  88
  89
  90 #define INTIO_SYSPORT           (0x00e8e000)
  91 #define intio_sysport           ((volatile uint8_t *)IIOV(INTIO_SYSPORT))
  92 #define sysport_contrast        1
  93 #define sysport_tvctrl          3
  94 #define sysport_imageunit       5
  95 #define sysport_keyctrl         7
  96 #define sysport_waitctrl        9
  97 #define sysport_mpustat         11
  98 #define sysport_sramwp          13
  99 #define sysport_powoff          15
 100
 101 #define intio_set_sysport_contrast(a) \
 102         intio_sysport[sysport_contrast] = (a) /* 0-15 */
 103 #define intio_set_sysport_tvctrl(a) \
 104         intio_sysport[sysport_tvctrl] = (a)
 105 #define INTIO_SYSPORT_TVCTRL    0x08
 106 #define intio_set_sysport_imageunit(a) \
 107         intio_sysport[sysport_imageunit] = (a)
 108 #define intio_set_sysport_keyctrl(a) \
 109         intio_sysport[sysport_keyctrl] = (a)
 110 #define INTIO_SYSPORT_KBENABLE  0x08
 111 #define intio_set_sysport_waitctrl(a) \
 112         intio_sysport[sysport_waitctrl] = (a) /* X68030 only */
 113 #define intio_set_sysport_sramwp(a) \
 114         intio_sysport[sysport_sramwp] = (a)
 115 #define INTIO_SYSPORT_SRAMWP    0x31
 116 #define intio_set_sysport_powoff(a) \
 117         intio_sysport[sysport_powoff] = (a)
 118
 119 #define intio_get_sysport_contrast() \
 120         (intio_sysport[sysport_contrast])
 121 #define intio_get_sysport_tvctrl() \
 122         (intio_sysport[sysport_tvctrl])
 123 #define INTIO_SYSPORT_TVSTAT    0x08
 124 #define intio_get_sysport_keyctrl() \
 125         (intio_sysport[sysport_keyctrl])
 126 #define INTIO_SYSPORT_KBEXIST   0x08
 127 #define intio_get_sysport_waitctrl() \
 128         (intio_sysport[sysport_waitctrl])
 129 #define intio_get_sysport_mpustat() \
 130         (intio_sysport[sysport_mpustat])
 131
 132 /* I/O controller (sicilian/pluto) */
 133 #define INTIO_SICILIAN          (0x00e9c000)
 134 #define intio_sicilian          ((volatile uint8_t *)IIOV(INTIO_SICILIAN))
 135 #define sicilian_intr           1
 136 #define sicilian_ivec           3
 137
 138 #define intio_get_sicilian_intr() \
 139         (intio_sicilian[sicilian_intr])
 140 #define intio_set_sicilian_intr(a) \
 141         intio_sicilian[sicilian_intr] = (a)
 142 #define SICILIAN_INTR_PAR 0x01
 143 #define SICILIAN_INTR_FDD 0x02
 144 #define SICILIAN_INTR_FDC 0x04
 145 #define SICILIAN_INTR_HDD 0x08
 146 #define SICILIAN_STAT_HDD 0x10
 147 #define SICILIAN_STAT_PAR 0x20
 148 #define SICILIAN_STAT_FDD 0x40
 149 #define SICILIAN_STAT_FDC 0x80
 150
 151 #define intio_enable_intr(a) \
 152         intio_sicilian[sicilian_intr] = ((a) | intio_sicilian[sicilian_intr])
 153 #define intio_disable_intr(a) \
 154         intio_sicilian[sicilian_intr] = (~(a) & intio_sicilian[sicilian_intr])
 155
 156 #define intio_set_sicilian_ivec(a) \
 157         intio_sicilian[sicilian_ivec] = (a)
 158 void intio_set_ivec(int);
 159
 160 struct intio_dma_cookie {
 161         int     id_flags;               /* flags; see below */
 162
 163         /*
 164          * Information about the original buffer used during
 165          * DMA map syncs.  Note that origibuflen is only used
 166          * for ID_BUFTYPE_LINEAR.
 167          */
 168         void    *id_origbuf;            /* pointer to orig buffer if
 169                                            bouncing */
 170         bus_size_t id_origbuflen;       /* ...and size */
 171         int     id_buftype;             /* type of buffer */
 172
 173         void    *id_bouncebuf;          /* pointer to the bounce buffer */
 174         bus_size_t id_bouncebuflen;     /* ...and size */
 175         int     id_nbouncesegs;         /* number of valid bounce segs */
 176         bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer
 177                                                physical memory segments */
 178 };
 179
 180 /* id_flags */
 181 #define ID_MIGHT_NEED_BOUNCE    0x01    /* map could need bounce buffers */
 182 #define ID_HAS_BOUNCE           0x02    /* map currently has bounce buffers */
 183 #define ID_IS_BOUNCING          0x04    /* map is bouncing current xfer */
 184
 185 /* id_buftype */
 186 #define ID_BUFTYPE_INVALID      0
 187 #define ID_BUFTYPE_LINEAR       1
 188 #define ID_BUFTYPE_MBUF         2
 189 #define ID_BUFTYPE_UIO          3
 190 #define ID_BUFTYPE_RAW          4
 191
 192 #endif