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Annotation of 43BSDReno/sys/hpdev/dcmreg.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 University of Utah.
        !             3:  * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * This code is derived from software contributed to Berkeley by
        !             7:  * the Systems Programming Group of the University of Utah Computer
        !             8:  * Science Department.
        !             9:  *
        !            10:  * Redistribution is only permitted until one year after the first shipment
        !            11:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !            12:  * binary forms are permitted provided that: (1) source distributions retain
        !            13:  * this entire copyright notice and comment, and (2) distributions including
        !            14:  * binaries display the following acknowledgement:  This product includes
        !            15:  * software developed by the University of California, Berkeley and its
        !            16:  * contributors'' in the documentation or other materials provided with the
        !            17:  * distribution and in all advertising materials mentioning features or use
        !            18:  * of this software.  Neither the name of the University nor the names of
        !            19:  * its contributors may be used to endorse or promote products derived from
        !            20:  * this software without specific prior written permission.
        !            21:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            22:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            23:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            24:  *
        !            25:  * from: Utah $Hdr: dcmreg.h 1.3 89/08/23$
        !            26:  *
        !            27:  *     @(#)dcmreg.h    7.3 (Berkeley) 6/22/90
        !            28:  */
        !            29: 
        !            30: struct dcmdevice {        /* host address, only odd bytes addressed */
        !            31:        u_char  dcm_pad0;
        !            32:        volatile u_char dcm_rsid;       /* Reset / ID                   0001 */
        !            33:        u_char  dcm_pad1;
        !            34:        volatile u_char dcm_ic;         /* Interrupt control register   0003 */
        !            35:        u_char  dcm_pad2;
        !            36:        volatile u_char dcm_sem;        /* Semaphore register           0005 */
        !            37:        u_char  dcm_pad3[0x7ffa];       /* Unaddressable        0006-7fff */
        !            38:        u_char  dcm_pad4;
        !            39:        volatile u_char dcm_iir;        /* Interrupt ident register     8001 */
        !            40:        u_char  dcm_pad5;
        !            41:        volatile u_char dcm_cr;         /* Command register             8003 */
        !            42:        u_char  dcm_pad6[0x3fc];        /* Card scratch         8004-83ff */
        !            43:        struct  dcmrfifo {
        !            44:                u_char  ptr_pad1;
        !            45:                volatile u_char data_char;
        !            46:                u_char  ptr_pad2;
        !            47:                volatile u_char data_stat;
        !            48:        } dcm_rfifos[4][0x80];          /* Receive queues               8400 */
        !            49:        struct  {
        !            50:                u_char  ptr_pad1;
        !            51:                volatile u_char data_data;
        !            52:        } dcm_bmap[0x100];              /* Bitmap table                 8c00 */
        !            53:        struct  {
        !            54:                u_char  ptr_pad;
        !            55:                volatile u_char ptr;
        !            56:        } dcm_rhead[4];                 /* Fifo head - receive          8e00 */
        !            57:        struct  {
        !            58:                u_char  ptr_pad;
        !            59:                volatile u_char  ptr;
        !            60:        } dcm_rtail[4];                 /* Fifo tail - receive          8e08 */
        !            61:        struct  {
        !            62:                u_char  ptr_pad;
        !            63:                volatile u_char ptr;
        !            64:        } dcm_thead[4];                 /* Fifo head - transmit         8e10 */
        !            65:        struct  {
        !            66:                u_char  ptr_pad;
        !            67:                volatile u_char ptr;
        !            68:        } dcm_ttail[4];                 /* Fifo tail - transmit         8e18 */
        !            69:        struct  {
        !            70:                u_char  pad1;
        !            71:                volatile u_char dcm_conf;
        !            72:                u_char  pad2;
        !            73:                volatile u_char dcm_baud;
        !            74:        } dcm_data[4];                  /* Configuration registers      8e20 */
        !            75:        u_char  dcm_pad7;
        !            76:        volatile u_char  dcm_mdmin;     /* Modem in                     8e31 */
        !            77:        u_char  dcm_pad8;
        !            78:        volatile u_char  dcm_mdmout;    /* Modem out                    8e33 */
        !            79:        u_char  dcm_pad9;
        !            80:        volatile u_char  dcm_mdmmsk;    /* Modem mask                   8e35 */
        !            81:        struct  {
        !            82:                u_char pad1;
        !            83:                volatile u_char dcm_data;
        !            84:        } dcm_cmdtab[4];                /* Command tables               8e36 */
        !            85:        struct  {
        !            86:                u_char pad1;
        !            87:                volatile u_char dcm_data;
        !            88:        } dcm_icrtab[4];                /* Interrupt data               8e3e */
        !            89:        u_char  dcm_pad10;
        !            90:        volatile u_char  dcm_stcon;     /* Self test condition          8e47 */
        !            91:        u_char  dcm_pad11[0x98];        /* Undef SR regs        8e48-8edf */
        !            92:        struct  dcmtfifo {
        !            93:            u_char  ptr_pad1;
        !            94:            volatile u_char  data_char;
        !            95:        } dcm_tfifos[4][0x10];          /* Transmit queues              8ee0 */
        !            96: };
        !            97: 
        !            98: /*
        !            99:  * Overlay structure for port specific queue "registers".
        !           100:  * Starts at offset 0x8E00+(port*2).
        !           101:  */
        !           102: struct dcmpreg {
        !           103:        u_char          pad0;           /* +00 */
        !           104:        volatile u_char r_head;         /* +01 */
        !           105:        u_char          pad1[7];        /* +02 */
        !           106:        volatile u_char r_tail;         /* +09 */
        !           107:        u_char          pad2[7];        /* +0A */
        !           108:        volatile u_char t_head;         /* +11 */
        !           109:        u_char          pad3[7];        /* +12 */
        !           110:        volatile u_char t_tail;         /* +19 */
        !           111: };
        !           112: #define        dcm_preg(d, p)  ((struct dcmpreg *)((u_int)(d)+0x8e00+(p)*2))
        !           113: 
        !           114: /* interface reset/id */
        !           115: #define DCMCON          0x80   /* REMOTE/LOCAL switch, read */
        !           116: #define        DCMID           0x5     /* hardwired card id, read */
        !           117: #define        DCMRS           0x80    /* software reset, write */
        !           118: 
        !           119: /* interrupt control */
        !           120: #define        DCMIPL(x)       ((((x) >> 4) & 3) + 3)  /* interupt level, read */
        !           121: #define        IC_IR           0x40    /* interupt request, read */
        !           122: #define        IC_IE           0x80    /* interupt enable, write */
        !           123: #define        IC_ID           0x00    /* interupt disable, write */
        !           124: 
        !           125: 
        !           126: /* Semaphore control */
        !           127: #define        SEM_BSY         0x80    /* read */
        !           128: #define SEM_CLR         0xFF   /* write */
        !           129: #define SEM_LOCK(dcm)  while ((dcm)->dcm_sem & SEM_BSY)
        !           130: #define SEM_UNLOCK(dcm)        (dcm)->dcm_sem = SEM_CLR
        !           131: 
        !           132: /* command register */
        !           133: #define        CR_PORT0        0x1
        !           134: #define        CR_PORT1        0x2
        !           135: #define        CR_PORT2        0x4
        !           136: #define        CR_PORT3        0x8
        !           137: #define        CR_MODM         0x10    /* change modem output lines */
        !           138: #define        CR_TIMER        0x20    /* 16ms interrupt timer toggle */
        !           139: #define        CR_SELFT        0x40    /* run self test */
        !           140: #define CR_MASK                0x7f
        !           141: 
        !           142: /* interrupt ident register */
        !           143: #define        IIR_PORT0       0x1
        !           144: #define        IIR_PORT1       0x2
        !           145: #define        IIR_PORT2       0x4
        !           146: #define        IIR_PORT3       0x8
        !           147: #define        IIR_SELFT       0x10    /* self test completed */
        !           148: #define        IIR_MODM        0x20    /* change in modem input lines */
        !           149: #define        IIR_TIMEO       0x40    /* Time out */
        !           150: #define IIR_MASK       0x7f
        !           151: 
        !           152: /* self test cond reg */
        !           153: #define ST_OK           0xe0
        !           154: 
        !           155: /* Line configuration register */
        !           156: #define        LC_PNO          0x00
        !           157: #define        LC_PODD         0x01
        !           158: #define        LC_PEVEN        0x02
        !           159: #define        LC_PMSK         0x03
        !           160: 
        !           161: #define        LC_1STOP        0x00
        !           162: #define        LC_1HSTOP       0x04
        !           163: #define        LC_2STOP        0x08
        !           164: #define        LC_STOPMSK      0x0b
        !           165: 
        !           166: #define        LC_8BITS        0x30
        !           167: #define        LC_7BITS        0x20
        !           168: #define        LC_6BITS        0x10
        !           169: #define        LC_5BITS        0x00
        !           170: #define        LC_BITMSK       0x30
        !           171: 
        !           172: /* baud reg */
        !           173: #define BR_0           0x00
        !           174: #define BR_50          0x01
        !           175: #define BR_75          0x02
        !           176: #define BR_110         0x03
        !           177: #define BR_134         0x04
        !           178: #define BR_150         0x05
        !           179: #define BR_300         0x06
        !           180: #define BR_600         0x07
        !           181: #define BR_900         0x08
        !           182: #define BR_1200                0x09
        !           183: #define BR_1800                0x0a
        !           184: #define BR_2400                0x0b
        !           185: #define BR_3600                0x0c
        !           186: #define BR_4800                0x0d
        !           187: #define BR_7200                0x0e
        !           188: #define BR_9600                0x0f
        !           189: #define BR_19200       0x10
        !           190: #define BR_38400       0x11
        !           191: 
        !           192: /* modem input register */
        !           193: #define        MI_CTS          0x08
        !           194: #define        MI_DM           0x04
        !           195: #define        MI_CD           0x02
        !           196: #define        MI_RI           0x01
        !           197: 
        !           198: /* modem output register */
        !           199: #define        MO_SR           0x04
        !           200: #define        MO_DTR          0x02
        !           201: #define        MO_RTS          0x01
        !           202: #define        MO_ON           ((MO_DTR) | (MO_RTS))
        !           203: #define        MO_OFF          0x00
        !           204: 
        !           205: /* cmd-tab values, write */
        !           206: #define CT_CON         0x1     /* configuration change */
        !           207: #define CT_TX          0x2     /* transmit buffer not empty */
        !           208: #define CT_BRK         0x4     /* toggle BREAK */
        !           209: 
        !           210: /* icr-tab values, read */
        !           211: #define IT_TX          0x1     /* transmit buffer empty */
        !           212: #define IT_SPEC                0x2     /* special character received */
        !           213: 
        !           214: /* data errors */
        !           215: #define RD_OVF         0x08
        !           216: #define RD_BD          0x10
        !           217: #define RD_PE          0x20
        !           218: #define RD_OE          0x40
        !           219: #define RD_FE          0x80
        !           220: #define RD_MASK                0xf8
        !           221: 
        !           222: /* Transmit/Receive masks */
        !           223: #define TX_MASK                0x0f
        !           224: #define RX_MASK                0xff
        !           225: 
        !           226: /*
        !           227:  * WARNING: Serial console is assumed to be the lowest select-code card
        !           228:  * and that card must be logical unit 0 in the kernel.  Also, CONUNIT must
        !           229:  * be 1, the port affected by the REMOTE/LOCAL switch.
        !           230:  */
        !           231: #define CONUNIT        (1)

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