sys/dev/qbus/dhureg.h

   1 /*      $NetBSD: dhureg.h,v 1.4 1999/05/28 20:17:29 ragge Exp $ */
   2 /*
   3  * Copyright (c) 1996  Ken C. Wellsch.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifdef notdef
  35 union w_b
  36 {
  37         u_short word;
  38         struct {
  39                 u_char byte_lo;
  40                 u_char byte_hi;
  41         } bytes;
  42 };
  43
  44 struct DHUregs
  45 {
  46         volatile union w_b u_csr;       /* Control/Status Register (R/W) */
  47         volatile u_short dhu_rbuf;      /* Receive Buffer (R only) */
  48 #define dhu_txchar       dhu_rbuf       /* Transmit Character (W only) */
  49         volatile u_short dhu_lpr;       /* Line Parameter Register (R/W) */
  50         volatile u_short dhu_stat;      /* Line Status (R only) */
  51         volatile u_short dhu_lnctrl;    /* Line Control (R/W) */
  52         volatile u_short dhu_tbufad1;   /* Transmit Buffer Address 1 (R/W) */
  53         volatile u_short dhu_tbufad2;   /* Transmit Buffer Address 2 (R/W) */
  54         volatile u_short dhu_tbufcnt;   /* Transmit Buffer Count (R/W) */
  55 };
  56
  57 #define dhu_csr         u_csr.word
  58 #define dhu_csr_lo      u_csr.bytes.byte_lo
  59 #define dhu_csr_hi      u_csr.bytes.byte_hi
  60
  61 typedef struct DHUregs dhuregs;
  62 #endif
  63
  64 #define DHU_UBA_CSR     0
  65 #define DHU_UBA_CSR_HI  1
  66 #define DHU_UBA_RBUF    2
  67 #define DHU_UBA_TXCHAR  2
  68 #define DHU_UBA_RXTIME  DHU_UBA_TXCHAR  /* on a real dhu only */
  69 #define DHU_UBA_LPR     4
  70 #define DHU_UBA_STAT    6
  71 #define DHU_UBA_FIFO    DHU_UBA_STAT    /* on a real dhu only */
  72 #define DHU_UBA_LNCTRL  8
  73 #define DHU_UBA_TBUFAD1 10
  74 #define DHU_UBA_TBUFAD2 12
  75 #define DHU_UBA_TBUFCNT 14
  76
  77 /* CSR bits */
  78
  79 #define DHU_CSR_TX_ACTION       0100000
  80 #define DHU_CSR_TXIE            0040000
  81 #define DHU_CSR_DIAG_FAIL       0020000
  82 #define DHU_CSR_TX_DMA_ERROR    0010000
  83 #define DHU_CSR_TX_LINE_MASK    0007400
  84 #define DHU_CSR_RX_DATA_AVAIL   0000200
  85 #define DHU_CSR_RXIE            0000100
  86 #define DHU_CSR_MASTER_RESET    0000040
  87 #define DHU_CSR_UNUSED          0000020
  88 #define DHU_CSR_CHANNEL_MASK    0000017
  89
  90 /* RBUF bits */
  91
  92 #define DHU_RBUF_DATA_VALID     0100000
  93 #define DHU_RBUF_OVERRUN_ERR    0040000
  94 #define DHU_RBUF_FRAMING_ERR    0020000
  95 #define DHU_RBUF_PARITY_ERR     0010000
  96 #define DHU_RBUF_RX_LINE_MASK   0007400
  97
  98 #define DHU_DIAG_CODE           0070001
  99 #define DHU_MODEM_CODE          0070000
 100
 101 /* TXCHAR bits */
 102
 103 #define DHU_TXCHAR_DATA_VALID   0100000
 104
 105 /* LPR bits */
 106
 107 #define DHU_LPR_B50             0x0
 108 #define DHU_LPR_B75             0x1
 109 #define DHU_LPR_B110            0x2
 110 #define DHU_LPR_B134            0x3
 111 #define DHU_LPR_B150            0x4
 112 #define DHU_LPR_B300            0x5
 113 #define DHU_LPR_B600            0x6
 114 #define DHU_LPR_B1200           0x7
 115 #define DHU_LPR_B1800           0x8
 116 #define DHU_LPR_B2000           0x9
 117 #define DHU_LPR_B2400           0xA
 118 #define DHU_LPR_B4800           0xB
 119 #define DHU_LPR_B7200           0xC
 120 #define DHU_LPR_B9600           0xD
 121 #define DHU_LPR_B19200          0xE
 122 #define DHU_LPR_B38400          0xF
 123
 124 #define DHU_LPR_5_BIT_CHAR      0000000
 125 #define DHU_LPR_6_BIT_CHAR      0000010
 126 #define DHU_LPR_7_BIT_CHAR      0000020
 127 #define DHU_LPR_8_BIT_CHAR      0000030
 128 #define DHU_LPR_PARENB          0000040
 129 #define DHU_LPR_EPAR            0000100
 130 #define DHU_LPR_2_STOP          0000200
 131
 132 /* STAT bits */
 133
 134 #define DHU_STAT_DSR            0100000
 135 #define DHU_STAT_RI             0020000
 136 #define DHU_STAT_DCD            0010000
 137 #define DHU_STAT_CTS            0004000
 138 #define DHU_STAT_MDL            0001000
 139 #define DHU_STAT_DHU            0000400
 140
 141 /* LNCTRL bits */
 142
 143 #define DHU_LNCTRL_DMA_ABORT    0000001
 144 #define DHU_LNCTRL_IAUTO        0000002
 145 #define DHU_LNCTRL_RX_ENABLE    0000004
 146 #define DHU_LNCTRL_BREAK        0000010
 147 #define DHU_LNCTRL_OAUTO        0000020
 148 #define DHU_LNCTRL_FORCE_XOFF   0000040
 149 #define DHU_LNCTRL_LINK_TYPE    0000400
 150 #define DHU_LNCTRL_DTR          0001000
 151 #define DHU_LNCTRL_RTS          0010000
 152
 153 /* TBUFAD2 bits */
 154
 155 #define DHU_TBUFAD2_DMA_START   0000200
 156 #define DHU_TBUFAD2_TX_ENABLE   0100000