sys/arch/x68k/dev/mfp.h

   1 /*      $NetBSD: mfp.h,v 1.8 2009/01/17 10:02:23 isaki Exp $    */
   2
   3 /*
   4  * Copyright (c) 1998 NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #define MFP_ADDR        0x00e88000
  29 #define MFP_INTR        0x40
  30
  31 struct mfp_softc {
  32         bus_space_tag_t sc_bst;
  33         bus_space_handle_t      sc_bht;
  34         int             sc_intr;
  35 };
  36
  37 /*
  38  * MFP registers
  39  */
  40 #define MFP_GPIP        0x01
  41 #define MFP_AER         0x03
  42 #define MFP_DDR         0x05
  43 #define MFP_IERA        0x07
  44 #define MFP_IERB        0x09
  45 #define MFP_IPRA        0x0b
  46 #define MFP_IPRB        0x0d
  47 #define MFP_ISRA        0x0f
  48 #define MFP_ISRB        0x11
  49 #define MFP_IMRA        0x13
  50 #define MFP_IMRB        0x15
  51 #define MFP_VR          0x17
  52 #define MFP_TACR        0x19
  53 #define MFP_TIMERA_STOP  0
  54 #define MFP_TIMERA_RESET 0x10
  55 #define MFP_TBCR        0x1b
  56 #define MFP_TIMERB_STOP  0
  57 #define MFP_TIMERB_RESET 0x10
  58 #define MFP_TCDCR       0x1d
  59 #define MFP_TADR        0x1f
  60 #define MFP_TBDR        0x21
  61 #define MFP_TCDR        0x23
  62 #define MFP_TDDR        0x25
  63 #define MFP_UCR         0x29
  64 #define MFP_UCR_EVENP           0x02
  65 #define MFP_UCR_PARENB          0x04
  66 #define MFP_UCR_SYNCMODE        0x00
  67 #define MFP_UCR_ONESB           0x08
  68 #define MFP_UCR_1P5SB           0x10
  69 #define MFP_UCR_TWOSB           0x18
  70 #define MFP_UCR_RW_5            0x60
  71 #define MFP_UCR_RW_6            0x40
  72 #define MFP_UCR_RW_7            0x20
  73 #define MFP_UCR_RW_8            0x00
  74 #define MFP_UCR_CLKX16          0x80
  75 #define MFP_RSR         0x2b
  76 #define MFP_RSR_BF              0x80
  77 #define MFP_RSR_OE              0x40
  78 #define MFP_RSR_PE              0x20
  79 #define MFP_RSR_FE              0x10
  80 #define MFP_RSR_SS              0x02
  81 #define MFP_RSR_RE              0x01
  82 #define MFP_TSR         0x2d
  83 #define MFP_TSR_BE              0x80
  84 #define MFP_TSR_TE              0x01
  85 #define MFP_UDR         0x2f
  86
  87
  88 /*
  89  * machine dependent definitions
  90  */
  91
  92 /* GPIP port bitmap */
  93 #define MFP_GPIP_HSYNC          0x80
  94 #define MFP_GPIP_CRTC           0x40
  95 #define MFP_GPIP_UNUSED1        0x20
  96 #define MFP_GPIP_VDISP          0x10
  97 #define MFP_GPIP_OPM            0x08
  98 #define MFP_GPIP_FRONT_SWITCH   0x04
  99 #define MFP_GPIP_EXPWON         0x02
 100 #define MFP_GPIP_RTC_ALARM      0x01
 101
 102 /* interrupt A */
 103 #define MFP_INTR_HSYNC          0x80
 104 #define MFP_INTR_CRTC           0x40
 105 #define MFP_INTR_TIMER_A        0x20
 106 #define MFP_INTR_RCV_FULL       0x10
 107 #define MFP_INTR_RCV_ERROR      0x08
 108 #define MFP_INTR_XMIT_EMPTY     0x04
 109 #define MFP_INTR_XMIT_ERROR     0x02
 110 #define MFP_INTR_TIMER_B        0x01
 111
 112 /* interrupt B */
 113 #define MFP_INTR_VDISP          0x40
 114 #define MFP_INTR_TIMER_C        0x20
 115 #define MFP_INTR_TIMER_D        0x10
 116 #define MFP_INTR_OPM            0x08
 117 #define MFP_INTR_FRONT_SWITCH   0x04
 118 #define MFP_INTR_EXPWON         0x02
 119 #define MFP_INTR_RTC_ALARM      0x01
 120
 121
 122 /* XXX */
 123 #include <arch/x68k/dev/intiovar.h>
 124 #define mfp_base        ((volatile uint8_t *)IIOV(MFP_ADDR))
 125 #define mfp_set_aer(a) \
 126         mfp_base[MFP_AER] = ((u_int8_t) (a))
 127 #define mfp_set_ddr(a) \
 128         mfp_base[MFP_DDR] = ((u_int8_t) (a))
 129 #define mfp_set_iera(a) \
 130         mfp_base[MFP_IERA] = ((u_int8_t) (a))
 131 #define mfp_set_ierb(a) \
 132         mfp_base[MFP_IERB] = ((u_int8_t) (a))
 133 #define mfp_set_ipra(a) \
 134         mfp_base[MFP_IPRA] = ((u_int8_t) (a))
 135 #define mfp_set_iprb(a) \
 136         mfp_base[MFP_IPRB] = ((u_int8_t) (a))
 137 #define mfp_set_isra(a) \
 138         mfp_base[MFP_ISRA] = ((u_int8_t) (a))
 139 #define mfp_set_isrb(a) \
 140         mfp_base[MFP_ISRB] = ((u_int8_t) (a))
 141 #define mfp_set_imra(a) \
 142         mfp_base[MFP_IMRA] = ((u_int8_t) (a))
 143 #define mfp_set_imrb(a) \
 144         mfp_base[MFP_IMRB] = ((u_int8_t) (a))
 145 #define mfp_set_vr(a) \
 146         mfp_base[MFP_VR] = ((u_int8_t) (a))
 147 #define mfp_set_tacr(a) \
 148         mfp_base[MFP_TACR] = ((u_int8_t) (a))
 149 #define mfp_set_tbcr(a) \
 150         mfp_base[MFP_TBCR] = ((u_int8_t) (a))
 151 #define mfp_set_tcdcr(a) \
 152         mfp_base[MFP_TCDCR] = ((u_int8_t) (a))
 153 #define mfp_set_tadr(a) \
 154         mfp_base[MFP_TADR] = ((u_int8_t) (a))
 155 #define mfp_set_tbdr(a) \
 156         mfp_base[MFP_TBDR] = ((u_int8_t) (a))
 157 #define mfp_set_tcdr(a) \
 158         mfp_base[MFP_TCDR] = ((u_int8_t) (a))
 159 #define mfp_set_tddr(a) \
 160         mfp_base[MFP_TDDR] = ((u_int8_t) (a))
 161 #define mfp_set_ucr(a) \
 162         mfp_base[MFP_UCR] = ((u_int8_t) (a))
 163 #define mfp_set_rsr(a) \
 164         mfp_base[MFP_RSR] = ((u_int8_t) (a))
 165 #define mfp_set_tsr(a) \
 166         mfp_base[MFP_TSR] = ((u_int8_t) (a))
 167 #define mfp_set_udr(a) \
 168         mfp_base[MFP_UDR] = ((u_int8_t) (a))
 169
 170 #define mfp_get_gpip() (mfp_base[MFP_GPIP])
 171 #define mfp_get_aer() (mfp_base[MFP_AER])
 172 #define mfp_get_ddr() (mfp_base[MFP_DDR])
 173 #define mfp_get_iera() (mfp_base[MFP_IERA])
 174 #define mfp_get_ierb() (mfp_base[MFP_IERB])
 175 #define mfp_get_ipra() (mfp_base[MFP_IPRA])
 176 #define mfp_get_iprb() (mfp_base[MFP_IPRB])
 177 #define mfp_get_isra() (mfp_base[MFP_ISRA])
 178 #define mfp_get_isrb() (mfp_base[MFP_ISRB])
 179 #define mfp_get_imra() (mfp_base[MFP_IMRA])
 180 #define mfp_get_imrb() (mfp_base[MFP_IMRB])
 181 #define mfp_get_vr() (mfp_base[MFP_VR])
 182 #define mfp_get_tacr() (mfp_base[MFP_TACR])
 183 #define mfp_get_tbcr() (mfp_base[MFP_TBCR])
 184 #define mfp_get_tcdcr() (mfp_base[MFP_TCDCR])
 185 #define mfp_get_tadr() (mfp_base[MFP_TADR])
 186 #define mfp_get_tbdr() (mfp_base[MFP_TBDR])
 187 #define mfp_get_tcdr() (mfp_base[MFP_TCDR])
 188 #define mfp_get_tddr() (mfp_base[MFP_TDDR])
 189 #define mfp_get_ucr() (mfp_base[MFP_UCR])
 190 #define mfp_get_rsr() (mfp_base[MFP_RSR])
 191 #define mfp_get_tsr() (mfp_base[MFP_TSR])
 192 #define mfp_get_udr() (mfp_base[MFP_UDR])
 193
 194 #define mfp_bit_set(reg,bits) (mfp_base[(reg)] |= (bits))
 195 #define mfp_bit_clear(reg,bits) (mfp_base[(reg)] &= (~(bits)))
 196
 197 #define mfp_bit_set_gpip(bits) mfp_bit_set(MFP_GPIP, (bits))
 198 #define mfp_bit_clear_gpip(bits) mfp_bit_clear(MFP_GPIP, (bits))
 199 #define mfp_bit_set_aer(bits) mfp_bit_set(MFP_AER, (bits))
 200 #define mfp_bit_clear_aer(bits) mfp_bit_clear(MFP_AER, (bits))
 201 #define mfp_bit_set_iera(bits) mfp_bit_set(MFP_IERA, (bits))
 202 #define mfp_bit_clear_iera(bits) mfp_bit_clear(MFP_IERA, (bits))
 203 #define mfp_bit_set_ierb(bits) mfp_bit_set(MFP_IERB, (bits))
 204 #define mfp_bit_clear_ierb(bits) mfp_bit_clear(MFP_IERB, (bits))
 205
 206 void mfp_wait_for_hsync(void);
 207 int mfp_send_usart(int);
 208 int mfp_receive_usart(void);