The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/rp/rpreg.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) Comtrol Corporation <support@comtrol.com>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted prodived that the follwoing conditions
    7  * are met.
    8  * 1. Redistributions of source code must retain the above copyright 
    9  *    notive, this list of conditions and the following disclainer.
   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 prodided 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 Comtrol Corporation.
   16  * 4. The name of Comtrol Corporation may not be used to endorse or 
   17  *    promote products derived from this software without specific 
   18  *    prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY COMTROL CORPORATION ``AS IS'' AND ANY
   21  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL COMTROL CORPORATION BE LIABLE FOR
   24  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  * $FreeBSD: releng/10.0/sys/dev/rp/rpreg.h 191563 2009-04-27 15:58:38Z ambrisko $
   33  */
   34 
   35 /*
   36  * Begin OS-specific defines -  rpreg.h - for RocketPort FreeBSD
   37  */
   38 
   39 typedef uint8_t Byte_t;
   40 typedef uint8_t ByteIO_t;
   41 
   42 typedef uint16_t Word_t;
   43 typedef uint16_t WordIO_t;
   44 
   45 typedef uint32_t DWord_t;
   46 typedef uint32_t DWordIO_t;
   47 
   48 #define rp_readio(size, ctlp, rid, offset) \
   49         (bus_read_##size(ctlp->io[rid], offset))
   50 #define rp_readmultiio(size, ctlp, rid, offset, addr, count) \
   51         (bus_read_multi_##size(ctlp->io[rid], offset, addr, count))
   52 #define rp_writeio(size, ctlp, rid, offset, data) \
   53         (bus_write_##size(ctlp->io[rid], offset, data))
   54 #define rp_writemultiio(size, ctlp, rid, offset, addr, count) \
   55         (bus_write_multi_##size(ctlp->io[rid], offset, addr, count))
   56 
   57 #define rp_readio1(ctlp, rid, offset)                           rp_readio(1, ctlp, rid, offset)
   58 #define rp_readio2(ctlp, rid, offset)                           rp_readio(2, ctlp, rid, offset)
   59 #define rp_readio4(ctlp, rid, offset)                           rp_readio(4, ctlp, rid, offset)
   60 #define rp_writeio1(ctlp, rid, offset, data)                    rp_writeio(1, ctlp, rid, offset, data)
   61 #define rp_writeio2(ctlp, rid, offset, data)                    rp_writeio(2, ctlp, rid, offset, data)
   62 #define rp_writeio4(ctlp, rid, offset, data)                    rp_writeio(4, ctlp, rid, offset, data)
   63 #define rp_readmultiio1(ctlp, rid, offset, addr, count)         rp_readmultiio(1, ctlp, rid, offset, addr, count) 
   64 #define rp_readmultiio2(ctlp, rid, offset, addr, count)         rp_readmultiio(2, ctlp, rid, offset, addr, count) 
   65 #define rp_readmultiio4(ctlp, rid, offset, addr, count)         rp_readmultiio(4, ctlp, rid, offset, addr, count) 
   66 #define rp_writemultiio1(ctlp, rid, offset, addr, count)        rp_writemultiio(1, ctlp, rid, offset, addr, count) 
   67 #define rp_writemultiio2(ctlp, rid, offset, addr, count)        rp_writemultiio(2, ctlp, rid, offset, addr, count) 
   68 #define rp_writemultiio4(ctlp, rid, offset, addr, count)        rp_writemultiio(4, ctlp, rid, offset, addr, count) 
   69 
   70 #define rp_readaiop1(ctlp, aiop, offset) \
   71         (rp_readio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset)))
   72 #define rp_readaiop2(ctlp, aiop, offset) \
   73         (rp_readio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset)))
   74 #define rp_readaiop4(ctlp, aiop, offset) \
   75         (rp_readio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset)))
   76 #define rp_readmultiaiop1(ctlp, aiop, offset, addr, count) \
   77         (rp_readmultiio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
   78 #define rp_readmultiaiop2(ctlp, aiop, offset, addr, count) \
   79         (rp_readmultiio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
   80 #define rp_readmultiaiop4(ctlp, aiop, offset, addr, count) \
   81         (rp_readmultiio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
   82 #define rp_writeaiop1(ctlp, aiop, offset, data) \
   83         (rp_writeio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), data))
   84 #define rp_writeaiop2(ctlp, aiop, offset, data) \
   85         (rp_writeio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), data))
   86 #define rp_writeaiop4(ctlp, aiop, offset, data) \
   87         (rp_writeio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), data))
   88 #define rp_writemultiaiop1(ctlp, aiop, offset, addr, count) \
   89         (rp_writemultiio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
   90 #define rp_writemultiaiop2(ctlp, aiop, offset, addr, count) \
   91         (rp_writemultiio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
   92 #define rp_writemultiaiop4(ctlp, aiop, offset, addr, count) \
   93         (rp_writemultiio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
   94 
   95 #define rp_readch1(chp, offset) \
   96         (rp_readaiop1((chp)->CtlP, (chp)->AiopNum, offset))
   97 #define rp_readch2(chp, offset) \
   98         (rp_readaiop2((chp)->CtlP, (chp)->AiopNum, offset))
   99 #define rp_readch4(chp, offset) \
  100         (rp_readaiop4((chp)->CtlP, (chp)->AiopNum, offset))
  101 #define rp_readmultich1(chp, offset, addr, count) \
  102         (rp_readmultiaiop1((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
  103 #define rp_readmultich2(chp, offset, addr, count) \
  104         (rp_readmultiaiop2((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
  105 #define rp_readmultich4(chp, offset, addr, count) \
  106         (rp_readmultiaiop4((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
  107 #define rp_writech1(chp, offset, data) \
  108         (rp_writeaiop1((chp)->CtlP, (chp)->AiopNum, offset, data))
  109 #define rp_writech2(chp, offset, data) \
  110         (rp_writeaiop2((chp)->CtlP, (chp)->AiopNum, offset, data))
  111 #define rp_writech4(chp, offset, data) \
  112         (rp_writeaiop4((chp)->CtlP, (chp)->AiopNum, offset, data))
  113 #define rp_writemultich1(chp, offset, addr, count) \
  114         (rp_writemultiaiop1((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
  115 #define rp_writemultich2(chp, offset, addr, count) \
  116         (rp_writemultiaiop2((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
  117 #define rp_writemultich4(chp, offset, addr, count) \
  118         (rp_writemultiaiop4((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
  119 
  120 /*
  121  * End of OS-specific defines
  122  */
  123 
  124 #define ROCKET_H
  125 
  126 #define CTL_SIZE 4
  127 #define AIOP_CTL_SIZE 4
  128 #define CHAN_AIOP_SIZE 8
  129 #define MAX_PORTS_PER_AIOP 8
  130 #define MAX_AIOPS_PER_BOARD 4
  131 #define MAX_PORTS_PER_BOARD 32
  132 
  133 /* Controller ID numbers */
  134 #define CTLID_NULL  -1              /* no controller exists */
  135 #define CTLID_0001  0x0001          /* controller release 1 */
  136 
  137 /* AIOP ID numbers, identifies AIOP type implementing channel */
  138 #define AIOPID_NULL -1              /* no AIOP or channel exists */
  139 #define AIOPID_0001 0x0001          /* AIOP release 1 */
  140 
  141 #define NULLDEV -1                  /* identifies non-existant device */
  142 #define NULLCTL -1                  /* identifies non-existant controller */
  143 #define NULLCTLPTR (CONTROLLER_T *)0 /* identifies non-existant controller */
  144 #define NULLAIOP -1                 /* identifies non-existant AIOP */
  145 #define NULLCHAN -1                 /* identifies non-existant channel */
  146 
  147 /************************************************************************
  148  Global Register Offsets - Direct Access - Fixed values
  149 ************************************************************************/
  150 
  151 #define _CMD_REG   0x38   /* Command Register            8    Write */
  152 #define _INT_CHAN  0x39   /* Interrupt Channel Register  8    Read */
  153 #define _INT_MASK  0x3A   /* Interrupt Mask Register     8    Read / Write */
  154 #define _UNUSED    0x3B   /* Unused                      8 */
  155 #define _INDX_ADDR 0x3C   /* Index Register Address      16   Write */
  156 #define _INDX_DATA 0x3E   /* Index Register Data         8/16 Read / Write */
  157 
  158 /************************************************************************
  159  Channel Register Offsets for 1st channel in AIOP - Direct Access
  160 ************************************************************************/
  161 #define _TD0       0x00  /* Transmit Data               16   Write */
  162 #define _RD0       0x00  /* Receive Data                16   Read */
  163 #define _CHN_STAT0 0x20  /* Channel Status              8/16 Read / Write */
  164 #define _FIFO_CNT0 0x10  /* Transmit/Receive FIFO Count 16   Read */
  165 #define _INT_ID0   0x30  /* Interrupt Identification    8    Read */
  166 
  167 /************************************************************************
  168  Tx Control Register Offsets - Indexed - External - Fixed
  169 ************************************************************************/
  170 #define _TX_ENBLS  0x980    /* Tx Processor Enables Register 8 Read / Write */
  171 #define _TXCMP1    0x988    /* Transmit Compare Value #1     8 Read / Write */
  172 #define _TXCMP2    0x989    /* Transmit Compare Value #2     8 Read / Write */
  173 #define _TXREP1B1  0x98A    /* Tx Replace Value #1 - Byte 1  8 Read / Write */
  174 #define _TXREP1B2  0x98B    /* Tx Replace Value #1 - Byte 2  8 Read / Write */
  175 #define _TXREP2    0x98C    /* Transmit Replace Value #2     8 Read / Write */
  176 
  177 /************************************************************************
  178  Receive FIFO
  179 ************************************************************************/
  180 #define RXFIFO_DATA     0x5f
  181 #define RXFIFO_OUT      0x5c
  182 #define RXFIFO_EN       0x08
  183 #define RXFIFO_DIS      0xa7
  184 
  185 /************************************************************************
  186 Memory Controller Register Offsets - Indexed - External - Fixed
  187 ************************************************************************/
  188 #define _RX_FIFO    0x000    /* Rx FIFO */
  189 #define _TX_FIFO    0x800    /* Tx FIFO */
  190 #define _RXF_OUTP   0x990    /* Rx FIFO OUT pointer        16 Read / Write */
  191 #define _RXF_INP    0x992    /* Rx FIFO IN pointer         16 Read / Write */
  192 #define _TXF_OUTP   0x994    /* Tx FIFO OUT pointer        8  Read / Write */
  193 #define _TXF_INP    0x995    /* Tx FIFO IN pointer         8  Read / Write */
  194 #define _TXP_CNT    0x996    /* Tx Priority Count          8  Read / Write */
  195 #define _TXP_PNTR   0x997    /* Tx Priority Pointer        8  Read / Write */
  196 
  197 #define PRI_PEND    0x80     /* Priority data pending (bit7, Tx pri cnt) */
  198 #define TXFIFO_SIZE 255      /* size of Tx FIFO */
  199 #define RXFIFO_SIZE 1023     /* size of Rx FIFO */
  200 
  201 /************************************************************************
  202 Tx Priority Buffer - Indexed - External - Fixed
  203 ************************************************************************/
  204 #define _TXP_BUF    0x9C0    /* Tx Priority Buffer  32  Bytes   Read / Write */
  205 #define TXP_SIZE    0x20     /* 32 bytes */
  206 
  207 /************************************************************************
  208 Channel Register Offsets - Indexed - Internal - Fixed
  209 ************************************************************************/
  210 
  211 #define _TX_CTRL    0xFF0    /* Transmit Control               16  Write */
  212 #define _RX_CTRL    0xFF2    /* Receive Control                 8  Write */
  213 #define _BAUD       0xFF4    /* Baud Rate                      16  Write */
  214 #define _CLK_PRE    0xFF6    /* Clock Prescaler                 8  Write */
  215 
  216 #define CLOCK_PRESC 0x19          /* mod 9 (divide by 10) prescale */
  217 
  218 #define BRD50             4607
  219 #define BRD75             3071
  220 #define BRD110            2094
  221 #define BRD134            1712
  222 #define BRD150            1535
  223 #define BRD200            1151
  224 #define BRD300            767
  225 #define BRD600            383
  226 #define BRD1200           191
  227 #define BRD1800           127
  228 #define BRD2000           114
  229 #define BRD2400           95
  230 #define BRD3600           64
  231 #define BRD4800           47
  232 #define BRD7200           31
  233 #define BRD9600           23
  234 #define BRD14400          15
  235 #define BRD19200          11
  236 #define BRD38400          5
  237 #define BRD57600          3
  238 #define BRD76800          2
  239 #define BRD115200         1
  240 #define BRD230400         0
  241 
  242 #define STMBREAK   0x08        /* BREAK */
  243 #define STMFRAME   0x04        /* framing error */
  244 #define STMRCVROVR 0x02        /* receiver over run error */
  245 #define STMPARITY  0x01        /* parity error */
  246 #define STMERROR   (STMBREAK | STMFRAME | STMPARITY)
  247 #define STMBREAKH   0x800      /* BREAK */
  248 #define STMFRAMEH   0x400      /* framing error */
  249 #define STMRCVROVRH 0x200      /* receiver over run error */
  250 #define STMPARITYH  0x100      /* parity error */
  251 #define STMERRORH   (STMBREAKH | STMFRAMEH | STMPARITYH)
  252 
  253 #define CTS_ACT   0x20        /* CTS input asserted */
  254 #define DSR_ACT   0x10        /* DSR input asserted */
  255 #define CD_ACT    0x08        /* CD input asserted */
  256 #define TXFIFOMT  0x04        /* Tx FIFO is empty */
  257 #define TXSHRMT   0x02        /* Tx shift register is empty */
  258 #define RDA       0x01        /* Rx data available */
  259 #define DRAINED (TXFIFOMT | TXSHRMT)  /* indicates Tx is drained */
  260 
  261 #define STATMODE  0x8000      /* status mode enable bit */
  262 #define RXFOVERFL 0x2000      /* receive FIFO overflow */
  263 #define RX2MATCH  0x1000      /* receive compare byte 2 match */
  264 #define RX1MATCH  0x0800      /* receive compare byte 1 match */
  265 #define RXBREAK   0x0400      /* received BREAK */
  266 #define RXFRAME   0x0200      /* received framing error */
  267 #define RXPARITY  0x0100      /* received parity error */
  268 #define STATERROR (RXBREAK | RXFRAME | RXPARITY)
  269 
  270 #define CTSFC_EN  0x80        /* CTS flow control enable bit */
  271 #define RTSTOG_EN 0x40        /* RTS toggle enable bit */
  272 #define TXINT_EN  0x10        /* transmit interrupt enable */
  273 #define STOP2     0x08        /* enable 2 stop bits (0 = 1 stop) */
  274 #define PARITY_EN 0x04        /* enable parity (0 = no parity) */
  275 #define EVEN_PAR  0x02        /* even parity (0 = odd parity) */
  276 #define DATA8BIT  0x01        /* 8 bit data (0 = 7 bit data) */
  277 
  278 #define SETBREAK  0x10        /* send break condition (must clear) */
  279 #define LOCALLOOP 0x08        /* local loopback set for test */
  280 #define SET_DTR   0x04        /* assert DTR */
  281 #define SET_RTS   0x02        /* assert RTS */
  282 #define TX_ENABLE 0x01        /* enable transmitter */
  283 
  284 #define RTSFC_EN  0x40        /* RTS flow control enable */
  285 #define RXPROC_EN 0x20        /* receive processor enable */
  286 #define TRIG_NO   0x00        /* Rx FIFO trigger level 0 (no trigger) */
  287 #define TRIG_1    0x08        /* trigger level 1 char */
  288 #define TRIG_1_2  0x10        /* trigger level 1/2 */
  289 #define TRIG_7_8  0x18        /* trigger level 7/8 */
  290 #define TRIG_MASK 0x18        /* trigger level mask */
  291 #define SRCINT_EN 0x04        /* special Rx condition interrupt enable */
  292 #define RXINT_EN  0x02        /* Rx interrupt enable */
  293 #define MCINT_EN  0x01        /* modem change interrupt enable */
  294 
  295 #define RXF_TRIG  0x20        /* Rx FIFO trigger level interrupt */
  296 #define TXFIFO_MT 0x10        /* Tx FIFO empty interrupt */
  297 #define SRC_INT   0x08        /* special receive condition interrupt */
  298 #define DELTA_CD  0x04        /* CD change interrupt */
  299 #define DELTA_CTS 0x02        /* CTS change interrupt */
  300 #define DELTA_DSR 0x01        /* DSR change interrupt */
  301 
  302 #define REP1W2_EN 0x10        /* replace byte 1 with 2 bytes enable */
  303 #define IGN2_EN   0x08        /* ignore byte 2 enable */
  304 #define IGN1_EN   0x04        /* ignore byte 1 enable */
  305 #define COMP2_EN  0x02        /* compare byte 2 enable */
  306 #define COMP1_EN  0x01        /* compare byte 1 enable */
  307 
  308 #define RESET_ALL 0x80        /* reset AIOP (all channels) */
  309 #define TXOVERIDE 0x40        /* Transmit software off override */
  310 #define RESETUART 0x20        /* reset channel's UART */
  311 #define RESTXFCNT 0x10        /* reset channel's Tx FIFO count register */
  312 #define RESRXFCNT 0x08        /* reset channel's Rx FIFO count register */
  313 
  314 #define INTSTAT0  0x01        /* AIOP 0 interrupt status */
  315 #define INTSTAT1  0x02        /* AIOP 1 interrupt status */
  316 #define INTSTAT2  0x04        /* AIOP 2 interrupt status */
  317 #define INTSTAT3  0x08        /* AIOP 3 interrupt status */
  318 
  319 #define INTR_EN   0x08        /* allow interrupts to host */
  320 #define INT_STROB 0x04        /* strobe and clear interrupt line (EOI) */
  321 
  322 #define CHAN3_EN  0x08        /* enable AIOP 3 */
  323 #define CHAN2_EN  0x04        /* enable AIOP 2 */
  324 #define CHAN1_EN  0x02        /* enable AIOP 1 */
  325 #define CHAN0_EN  0x01        /* enable AIOP 0 */
  326 #define FREQ_DIS  0x00
  327 #define FREQ_274HZ 0x60
  328 #define FREQ_137HZ 0x50
  329 #define FREQ_69HZ  0x40
  330 #define FREQ_34HZ  0x30
  331 #define FREQ_17HZ  0x20
  332 #define FREQ_9HZ   0x10
  333 #define PERIODIC_ONLY 0x80    /* only PERIODIC interrupt */
  334 
  335 #define CHANINT_EN 0x0100           /* flags to enable/disable channel ints */
  336 
  337 #define RDATASIZE 72
  338 #define RREGDATASIZE 52
  339 
  340 #ifndef TRUE
  341 #define TRUE 1
  342 #endif
  343 
  344 #ifndef FALSE
  345 #define FALSE 0
  346 #endif
  347 
  348 struct CONTROLLER_str;
  349 struct CHANNEL_str;
  350 
  351 /* The types of bus-specific methods */
  352 typedef int rp_aiop2rid_t(int, int);
  353 typedef int rp_aiop2off_t(int, int);
  354 typedef unsigned char rp_ctlmask_t(struct CONTROLLER_str *);
  355 
  356 /* Controller level information structure */
  357 struct CONTROLLER_str
  358 {
  359         int             CtlID;
  360         int             NumAiop;
  361         int             AiopID[AIOP_CTL_SIZE];
  362         int             AiopNumChan[AIOP_CTL_SIZE];
  363 
  364         struct mtx      hwmtx;     /* Spinlock protecting hardware. */
  365         int             hwmtx_init;
  366         int             free;
  367 
  368         /* Device and resource management */
  369         device_t                dev;            /* device */
  370         int                     io_num;         /* Number of IO resources */
  371         int                     *io_rid;        /* IO resource IDs */
  372         struct resource         **io;           /* IO resources */
  373 
  374         struct rp_port          *rp;            /* port */
  375 
  376         /* Device nodes */
  377         struct cdev **dev_nodes;
  378 
  379         /* Bus-specific properties */
  380         void                    *bus_ctlp;
  381 
  382         /* Bus-specific methods */
  383         rp_aiop2rid_t           *aiop2rid;      /* (aiop, offset) -> rid */
  384         rp_aiop2off_t           *aiop2off;      /* (aiop, offset) -> off */
  385         rp_ctlmask_t            *ctlmask;       /* Int status */
  386 };
  387 typedef struct CONTROLLER_str CONTROLLER_T;
  388 typedef CONTROLLER_T CONTROLLER_t;
  389 
  390 /* Channel level information structure */
  391 struct CHANNEL_str
  392 {
  393         CONTROLLER_t    *CtlP;
  394         int             AiopNum;
  395         int             ChanID;
  396         int             ChanNum;
  397 
  398         Word_t          TxFIFO;
  399         Word_t          TxFIFOPtrs;
  400         Word_t          RxFIFO;
  401         Word_t          RxFIFOPtrs;
  402         Word_t          TxPrioCnt;
  403         Word_t          TxPrioPtr;
  404         Word_t          TxPrioBuf;
  405 
  406         Byte_t          R[RREGDATASIZE];
  407 
  408         Byte_t          BaudDiv[4];
  409         Byte_t          TxControl[4];
  410         Byte_t          RxControl[4];
  411         Byte_t          TxEnables[4];
  412         Byte_t          TxCompare[4];
  413         Byte_t          TxReplace1[4];
  414         Byte_t          TxReplace2[4];
  415 };
  416 
  417 typedef struct CHANNEL_str CHANNEL_T;
  418 typedef CHANNEL_T CHANNEL_t;
  419 typedef CHANNEL_T * CHANPTR_T;
  420 
  421 #define CHNOFF_TXRXDATA(chp)    ((chp)->ChanNum * 2 + _TD0)
  422 #define CHNOFF_CHANSTAT(chp)    ((chp)->ChanNum * 2 + _CHN_STAT0)
  423 #define CHNOFF_TXRXCOUNT(chp)   ((chp)->ChanNum * 2 + _FIFO_CNT0)
  424 #define CHNOFF_INTID(chp)       ((chp)->ChanNum     + _INT_ID0)
  425 
  426 /***************************************************************************
  427 Function: sClrBreak
  428 Purpose:  Stop sending a transmit BREAK signal
  429 Call:     sClrBreak(ChP)
  430           CHANNEL_T *ChP; Ptr to channel structure
  431 */
  432 #define sClrBreak(ChP) \
  433 { \
  434    (ChP)->TxControl[3] &= ~SETBREAK; \
  435    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  436 }
  437 
  438 /***************************************************************************
  439 Function: sClrDTR
  440 Purpose:  Clr the DTR output
  441 Call:     sClrDTR(ChP)
  442           CHANNEL_T *ChP; Ptr to channel structure
  443 */
  444 #define sClrDTR(ChP) \
  445 { \
  446    (ChP)->TxControl[3] &= ~SET_DTR; \
  447    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  448 }
  449 
  450 /***************************************************************************
  451 Function: sClrRTS
  452 Purpose:  Clr the RTS output
  453 Call:     sClrRTS(ChP)
  454           CHANNEL_T *ChP; Ptr to channel structure
  455 */
  456 #define sClrRTS(ChP) \
  457 { \
  458    (ChP)->TxControl[3] &= ~SET_RTS; \
  459    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  460 }
  461 
  462 /***************************************************************************
  463 Function: sClrTxXOFF
  464 Purpose:  Clear any existing transmit software flow control off condition
  465 Call:     sClrTxXOFF(ChP)
  466           CHANNEL_T *ChP; Ptr to channel structure
  467 */
  468 #define sClrTxXOFF(ChP) \
  469 { \
  470    rp_writech1(ChP,_CMD_REG,TXOVERIDE | (Byte_t)(ChP)->ChanNum); \
  471    rp_writech1(ChP,_CMD_REG,(Byte_t)(ChP)->ChanNum); \
  472 }
  473 
  474 /***************************************************************************
  475 Function: sDisCTSFlowCtl
  476 Purpose:  Disable output flow control using CTS
  477 Call:     sDisCTSFlowCtl(ChP)
  478           CHANNEL_T *ChP; Ptr to channel structure
  479 */
  480 #define sDisCTSFlowCtl(ChP) \
  481 { \
  482    (ChP)->TxControl[2] &= ~CTSFC_EN; \
  483    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  484 }
  485 
  486 /***************************************************************************
  487 Function: DisParity
  488 Purpose:  Disable parity
  489 Call:     sDisParity(ChP)
  490           CHANNEL_T *ChP; Ptr to channel structure
  491 Comments: Function sSetParity() can be used in place of functions sEnParity(),
  492           sDisParity(), sSetOddParity(), and sSetEvenParity().
  493 */
  494 #define sDisParity(ChP) \
  495 { \
  496    (ChP)->TxControl[2] &= ~PARITY_EN; \
  497    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  498 }
  499 
  500 /***************************************************************************
  501 Function: sDisRxFIFO
  502 Purpose:  Disable Rx FIFO
  503 Call:     sDisRxFIFO(ChP)
  504           CHANNEL_T *ChP; Ptr to channel structure
  505 */
  506 #define sDisRxFIFO(ChP) \
  507 { \
  508    (ChP)->R[0x32] = 0x0a; \
  509    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x30)); \
  510 }
  511 
  512 /***************************************************************************
  513 Function: sDisRxStatusMode
  514 Purpose:  Disable the Rx status mode
  515 Call:     sDisRxStatusMode(ChP)
  516           CHANNEL_T *ChP; Ptr to channel structure
  517 Comments: This takes the channel out of the receive status mode.  All
  518           subsequent reads of receive data using sReadRxWord() will return
  519           two data bytes.
  520 */
  521 #define sDisRxStatusMode(ChP) rp_writech2(ChP,CHNOFF_CHANSTAT(ChP),0)
  522 
  523 /***************************************************************************
  524 Function: sDisTransmit
  525 Purpose:  Disable transmit
  526 Call:     sDisTransmit(ChP)
  527           CHANNEL_T *ChP; Ptr to channel structure
  528           This disables movement of Tx data from the Tx FIFO into the 1 byte
  529           Tx buffer.  Therefore there could be up to a 2 byte latency
  530           between the time sDisTransmit() is called and the transmit buffer
  531           and transmit shift register going completely empty.
  532 */
  533 #define sDisTransmit(ChP) \
  534 { \
  535    (ChP)->TxControl[3] &= ~TX_ENABLE; \
  536    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  537 }
  538 
  539 /***************************************************************************
  540 Function: sDisTxSoftFlowCtl
  541 Purpose:  Disable Tx Software Flow Control
  542 Call:     sDisTxSoftFlowCtl(ChP)
  543           CHANNEL_T *ChP; Ptr to channel structure
  544 */
  545 #define sDisTxSoftFlowCtl(ChP) \
  546 { \
  547    (ChP)->R[0x06] = 0x8a; \
  548    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x04)); \
  549 }
  550 
  551 /***************************************************************************
  552 Function: sEnCTSFlowCtl
  553 Purpose:  Enable output flow control using CTS
  554 Call:     sEnCTSFlowCtl(ChP)
  555           CHANNEL_T *ChP; Ptr to channel structure
  556 */
  557 #define sEnCTSFlowCtl(ChP) \
  558 { \
  559    (ChP)->TxControl[2] |= CTSFC_EN; \
  560    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  561 }
  562 
  563 /***************************************************************************
  564 Function: EnParity
  565 Purpose:  Enable parity
  566 Call:     sEnParity(ChP)
  567           CHANNEL_T *ChP; Ptr to channel structure
  568 Comments: Function sSetParity() can be used in place of functions sEnParity(),
  569           sDisParity(), sSetOddParity(), and sSetEvenParity().
  570 
  571 Warnings: Before enabling parity odd or even parity should be chosen using
  572           functions sSetOddParity() or sSetEvenParity().
  573 */
  574 #define sEnParity(ChP) \
  575 { \
  576    (ChP)->TxControl[2] |= PARITY_EN; \
  577    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  578 }
  579 
  580 /***************************************************************************
  581 Function: sEnRTSFlowCtl
  582 Return: void
  583 */
  584 #define sEnRTSFlowCtl(ChP) \
  585 { \
  586         (ChP)->TxControl[2] &= ~RTSTOG_EN; \
  587         (ChP)->TxControl[3] &= ~SET_RTS; \
  588    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  589         (ChP)->RxControl[2] |= RTSFC_EN; \
  590    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
  591 }
  592 
  593 /***************************************************************************
  594 Function: sDisRTSFlowCtl
  595 Return: void
  596 */
  597 #define sDisRTSFlowCtl(ChP) \
  598 { \
  599         (ChP)->RxControl[2] &= ~RTSFC_EN; \
  600    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
  601 }
  602 
  603 /***************************************************************************
  604 Function: sEnRxFIFO
  605 Purpose:  Enable Rx FIFO
  606 Call:     sEnRxFIFO(ChP)
  607           CHANNEL_T *ChP; Ptr to channel structure
  608 */
  609 #define sEnRxFIFO(ChP) \
  610 { \
  611    (ChP)->R[0x32] = 0x08; \
  612    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x30)); \
  613 }
  614 
  615 /***************************************************************************
  616 Function: sEnRxProcessor
  617 Purpose:  Enable the receive processor
  618 Call:     sEnRxProcessor(ChP)
  619           CHANNEL_T *ChP; Ptr to channel structure
  620 Comments: This function is used to start the receive processor.  When
  621           the channel is in the reset state the receive processor is not
  622           running.  This is done to prevent the receive processor from
  623           executing invalid microcode instructions prior to the
  624           downloading of the microcode.
  625 
  626 Warnings: This function must be called after valid microcode has been
  627           downloaded to the AIOP, and it must not be called before the
  628           microcode has been downloaded.
  629 */
  630 #define sEnRxProcessor(ChP) \
  631 { \
  632    (ChP)->RxControl[2] |= RXPROC_EN; \
  633    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
  634 }
  635 
  636 /***************************************************************************
  637 Function: sEnRxStatusMode
  638 Purpose:  Enable the Rx status mode
  639 Call:     sEnRxStatusMode(ChP)
  640           CHANNEL_T *ChP; Ptr to channel structure
  641 Comments: This places the channel in the receive status mode.  All subsequent
  642           reads of receive data using sReadRxWord() will return a data byte
  643           in the low word and a status byte in the high word.
  644 
  645 */
  646 #define sEnRxStatusMode(ChP) rp_writech2(ChP,CHNOFF_CHANSTAT(ChP),STATMODE)
  647 
  648 /***************************************************************************
  649 Function: sEnTransmit
  650 Purpose:  Enable transmit
  651 Call:     sEnTransmit(ChP)
  652           CHANNEL_T *ChP; Ptr to channel structure
  653 */
  654 #define sEnTransmit(ChP) \
  655 { \
  656    (ChP)->TxControl[3] |= TX_ENABLE; \
  657    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  658 }
  659 
  660 /***************************************************************************
  661 Function: sGetAiopIntStatus
  662 Purpose:  Get the AIOP interrupt status
  663 Call:     sGetAiopIntStatus(CtlP,AiopNum)
  664           CONTROLLER_T *CtlP; Ptr to controller structure
  665           int AiopNum; AIOP number
  666 Return:   Byte_t: The AIOP interrupt status.  Bits 0 through 7
  667                          represent channels 0 through 7 respectively.  If a
  668                          bit is set that channel is interrupting.
  669 */
  670 #define sGetAiopIntStatus(CtlP,AIOPNUM) rp_readaiop1(CtlP,AIOPNUM,_INT_CHAN)
  671 
  672 /***************************************************************************
  673 Function: sGetAiopNumChan
  674 Purpose:  Get the number of channels supported by an AIOP
  675 Call:     sGetAiopNumChan(CtlP,AiopNum)
  676           CONTROLLER_T *CtlP; Ptr to controller structure
  677           int AiopNum; AIOP number
  678 Return:   int: The number of channels supported by the AIOP
  679 */
  680 #define sGetAiopNumChan(CtlP,AIOPNUM) CtlP->AiopNumChan[AIOPNUM]
  681 
  682 /***************************************************************************
  683 Function: sGetChanIntID
  684 Purpose:  Get a channel's interrupt identification byte
  685 Call:     sGetChanIntID(ChP)
  686           CHANNEL_T *ChP; Ptr to channel structure
  687 Return:   Byte_t: The channel interrupt ID.  Can be any
  688              combination of the following flags:
  689                 RXF_TRIG:     Rx FIFO trigger level interrupt
  690                 TXFIFO_MT:    Tx FIFO empty interrupt
  691                 SRC_INT:      Special receive condition interrupt
  692                 DELTA_CD:     CD change interrupt
  693                 DELTA_CTS:    CTS change interrupt
  694                 DELTA_DSR:    DSR change interrupt
  695 */
  696 #define sGetChanIntID(ChP) (rp_readch1(ChP,(ChP)->ChanNum+_INT_ID0) & (RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR))
  697 
  698 /***************************************************************************
  699 Function: sGetChanNum
  700 Purpose:  Get the number of a channel within an AIOP
  701 Call:     sGetChanNum(ChP)
  702           CHANNEL_T *ChP; Ptr to channel structure
  703 Return:   int: Channel number within AIOP, or NULLCHAN if channel does
  704                not exist.
  705 */
  706 #define sGetChanNum(ChP) (ChP)->ChanNum
  707 
  708 /***************************************************************************
  709 Function: sGetChanStatus
  710 Purpose:  Get the channel status
  711 Call:     sGetChanStatus(ChP)
  712           CHANNEL_T *ChP; Ptr to channel structure
  713 Return:   Word_t: The channel status.  Can be any combination of
  714              the following flags:
  715                 LOW BYTE FLAGS
  716                 CTS_ACT:      CTS input asserted
  717                 DSR_ACT:      DSR input asserted
  718                 CD_ACT:       CD input asserted
  719                 TXFIFOMT:     Tx FIFO is empty
  720                 TXSHRMT:      Tx shift register is empty
  721                 RDA:          Rx data available
  722 
  723                 HIGH BYTE FLAGS
  724                 STATMODE:     status mode enable bit
  725                 RXFOVERFL:    receive FIFO overflow
  726                 RX2MATCH:     receive compare byte 2 match
  727                 RX1MATCH:     receive compare byte 1 match
  728                 RXBREAK:      received BREAK
  729                 RXFRAME:      received framing error
  730                 RXPARITY:     received parity error
  731 Warnings: This function will clear the high byte flags in the Channel
  732           Status Register.
  733 */
  734 #define sGetChanStatus(ChP) rp_readch2(ChP,CHNOFF_CHANSTAT(ChP))
  735 
  736 /***************************************************************************
  737 Function: sGetChanStatusLo
  738 Purpose:  Get the low byte only of the channel status
  739 Call:     sGetChanStatusLo(ChP)
  740           CHANNEL_T *ChP; Ptr to channel structure
  741 Return:   Byte_t: The channel status low byte.  Can be any combination
  742              of the following flags:
  743                 CTS_ACT:      CTS input asserted
  744                 DSR_ACT:      DSR input asserted
  745                 CD_ACT:       CD input asserted
  746                 TXFIFOMT:     Tx FIFO is empty
  747                 TXSHRMT:      Tx shift register is empty
  748                 RDA:          Rx data available
  749 */
  750 #define sGetChanStatusLo(ChP) rp_readch1(ChP,CHNOFF_CHANSTAT(ChP))
  751 
  752 /***************************************************************************
  753 Function: sGetRxCnt
  754 Purpose:  Get the number of data bytes in the Rx FIFO
  755 Call:     sGetRxCnt(ChP)
  756           CHANNEL_T *ChP; Ptr to channel structure
  757 Return:   int: The number of data bytes in the Rx FIFO.
  758 Comments: Byte read of count register is required to obtain Rx count.
  759 
  760 */
  761 #define sGetRxCnt(ChP) rp_readch2(ChP,CHNOFF_TXRXCOUNT(ChP))
  762 
  763 /***************************************************************************
  764 Function: sGetTxCnt
  765 Purpose:  Get the number of data bytes in the Tx FIFO
  766 Call:     sGetTxCnt(ChP)
  767           CHANNEL_T *ChP; Ptr to channel structure
  768 Return:   Byte_t: The number of data bytes in the Tx FIFO.
  769 Comments: Byte read of count register is required to obtain Tx count.
  770 
  771 */
  772 #define sGetTxCnt(ChP) rp_readch1(ChP,CHNOFF_TXRXCOUNT(ChP))
  773 
  774 /*****************************************************************************
  775 Function: sGetTxRxDataIO
  776 Purpose:  Get the offset of a channel's TxRx Data register
  777 Call:     sGetTxRxDataIO(ChP)
  778           CHANNEL_T *ChP; Ptr to channel structure
  779 Return:   WordIO_t: offset of a channel's TxRx Data register
  780 */
  781 #define sGetTxRxDataIO(ChP) CHNOFF_TXRXDATA(ChP)
  782 
  783 /***************************************************************************
  784 Function: sInitChanDefaults
  785 Purpose:  Initialize a channel structure to its default state.
  786 Call:     sInitChanDefaults(ChP)
  787           CHANNEL_T *ChP; Ptr to the channel structure
  788 Comments: This function must be called once for every channel structure
  789           that exists before any other SSCI calls can be made.
  790 
  791 */
  792 #define sInitChanDefaults(ChP) \
  793 { \
  794    (ChP)->CtlP = NULLCTLPTR; \
  795    (ChP)->AiopNum = NULLAIOP; \
  796    (ChP)->ChanID = AIOPID_NULL; \
  797    (ChP)->ChanNum = NULLCHAN; \
  798 }
  799 
  800 /***************************************************************************
  801 Function: sResetAiopByNum
  802 Purpose:  Reset the AIOP by number
  803 Call:     sResetAiopByNum(CTLP,AIOPNUM)
  804         CONTROLLER_T CTLP; Ptr to controller structure
  805         AIOPNUM; AIOP index
  806 */
  807 #define sResetAiopByNum(CTLP,AIOPNUM) \
  808 { \
  809    rp_writeaiop1(CTLP,AIOPNUM,_CMD_REG,RESET_ALL); \
  810    rp_writeaiop1(CTLP,AIOPNUM,_CMD_REG,0x0); \
  811 }
  812 
  813 /***************************************************************************
  814 Function: sSendBreak
  815 Purpose:  Send a transmit BREAK signal
  816 Call:     sSendBreak(ChP)
  817           CHANNEL_T *ChP; Ptr to channel structure
  818 */
  819 #define sSendBreak(ChP) \
  820 { \
  821    (ChP)->TxControl[3] |= SETBREAK; \
  822    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  823 }
  824 
  825 /***************************************************************************
  826 Function: sSetBaud
  827 Purpose:  Set baud rate
  828 Call:     sSetBaud(ChP,Divisor)
  829           CHANNEL_T *ChP; Ptr to channel structure
  830           Word_t Divisor; 16 bit baud rate divisor for channel
  831 */
  832 #define sSetBaud(ChP,DIVISOR) \
  833 { \
  834    (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \
  835    (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \
  836    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->BaudDiv)); \
  837 }
  838 
  839 /***************************************************************************
  840 Function: sSetData7
  841 Purpose:  Set data bits to 7
  842 Call:     sSetData7(ChP)
  843           CHANNEL_T *ChP; Ptr to channel structure
  844 */
  845 #define sSetData7(ChP) \
  846 { \
  847    (ChP)->TxControl[2] &= ~DATA8BIT; \
  848    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  849 }
  850 
  851 /***************************************************************************
  852 Function: sSetData8
  853 Purpose:  Set data bits to 8
  854 Call:     sSetData8(ChP)
  855           CHANNEL_T *ChP; Ptr to channel structure
  856 */
  857 #define sSetData8(ChP) \
  858 { \
  859    (ChP)->TxControl[2] |= DATA8BIT; \
  860    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  861 }
  862 
  863 /***************************************************************************
  864 Function: sSetDTR
  865 Purpose:  Set the DTR output
  866 Call:     sSetDTR(ChP)
  867           CHANNEL_T *ChP; Ptr to channel structure
  868 */
  869 #define sSetDTR(ChP) \
  870 { \
  871    (ChP)->TxControl[3] |= SET_DTR; \
  872    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  873 }
  874 
  875 /***************************************************************************
  876 Function: sSetEvenParity
  877 Purpose:  Set even parity
  878 Call:     sSetEvenParity(ChP)
  879           CHANNEL_T *ChP; Ptr to channel structure
  880 Comments: Function sSetParity() can be used in place of functions sEnParity(),
  881           sDisParity(), sSetOddParity(), and sSetEvenParity().
  882 
  883 Warnings: This function has no effect unless parity is enabled with function
  884           sEnParity().
  885 */
  886 #define sSetEvenParity(ChP) \
  887 { \
  888    (ChP)->TxControl[2] |= EVEN_PAR; \
  889    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  890 }
  891 
  892 /***************************************************************************
  893 Function: sSetOddParity
  894 Purpose:  Set odd parity
  895 Call:     sSetOddParity(ChP)
  896           CHANNEL_T *ChP; Ptr to channel structure
  897 Comments: Function sSetParity() can be used in place of functions sEnParity(),
  898           sDisParity(), sSetOddParity(), and sSetEvenParity().
  899 
  900 Warnings: This function has no effect unless parity is enabled with function
  901           sEnParity().
  902 */
  903 #define sSetOddParity(ChP) \
  904 { \
  905    (ChP)->TxControl[2] &= ~EVEN_PAR; \
  906    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  907 }
  908 
  909 /***************************************************************************
  910 Function: sSetRTS
  911 Purpose:  Set the RTS output
  912 Call:     sSetRTS(ChP)
  913           CHANNEL_T *ChP; Ptr to channel structure
  914 */
  915 #define sSetRTS(ChP) \
  916 { \
  917    (ChP)->TxControl[3] |= SET_RTS; \
  918    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  919 }
  920 
  921 /***************************************************************************
  922 Function: sSetRxTrigger
  923 Purpose:  Set the Rx FIFO trigger level
  924 Call:     sSetRxProcessor(ChP,Level)
  925           CHANNEL_T *ChP; Ptr to channel structure
  926           Byte_t Level; Number of characters in Rx FIFO at which the
  927              interrupt will be generated.  Can be any of the following flags:
  928 
  929              TRIG_NO:   no trigger
  930              TRIG_1:    1 character in FIFO
  931              TRIG_1_2:  FIFO 1/2 full
  932              TRIG_7_8:  FIFO 7/8 full
  933 Comments: An interrupt will be generated when the trigger level is reached
  934           only if function sEnInterrupt() has been called with flag
  935           RXINT_EN set.  The RXF_TRIG flag in the Interrupt Idenfification
  936           register will be set whenever the trigger level is reached
  937           regardless of the setting of RXINT_EN.
  938 
  939 */
  940 #define sSetRxTrigger(ChP,LEVEL) \
  941 { \
  942    (ChP)->RxControl[2] &= ~TRIG_MASK; \
  943    (ChP)->RxControl[2] |= LEVEL; \
  944    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
  945 }
  946 
  947 /***************************************************************************
  948 Function: sSetStop1
  949 Purpose:  Set stop bits to 1
  950 Call:     sSetStop1(ChP)
  951           CHANNEL_T *ChP; Ptr to channel structure
  952 */
  953 #define sSetStop1(ChP) \
  954 { \
  955    (ChP)->TxControl[2] &= ~STOP2; \
  956    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  957 }
  958 
  959 /***************************************************************************
  960 Function: sSetStop2
  961 Purpose:  Set stop bits to 2
  962 Call:     sSetStop2(ChP)
  963           CHANNEL_T *ChP; Ptr to channel structure
  964 */
  965 #define sSetStop2(ChP) \
  966 { \
  967    (ChP)->TxControl[2] |= STOP2; \
  968    rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
  969 }
  970 
  971 /***************************************************************************
  972 Function: sStartRxProcessor
  973 Purpose:  Start a channel's receive processor
  974 Call:     sStartRxProcessor(ChP)
  975           CHANNEL_T *ChP; Ptr to channel structure
  976 Comments: This function is used to start a Rx processor after it was
  977           stopped with sStopRxProcessor() or sStopSWInFlowCtl().  It
  978           will restart both the Rx processor and software input flow control.
  979 
  980 */
  981 #define sStartRxProcessor(ChP) rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R))
  982 
  983 /***************************************************************************
  984 Function: sWriteTxByte
  985 Purpose:  Write a transmit data byte to a channel.
  986           CHANNEL_T *ChP; Ptr to channel structure
  987           ByteIO_t io: Channel transmit register I/O address.  This can
  988                            be obtained with sGetTxRxDataIO().
  989           Byte_t Data; The transmit data byte.
  990 Warnings: This function writes the data byte without checking to see if
  991           sMaxTxSize is exceeded in the Tx FIFO.
  992 */
  993 #define sWriteTxByte(ChP,IO,DATA) rp_writech1(ChP,IO,DATA)
  994 
  995 int sReadAiopID(CONTROLLER_T *CtlP, int aiop);
  996 int sReadAiopNumChan(CONTROLLER_T *CtlP, int aiop);
  997 int sInitChan(  CONTROLLER_T *CtlP,
  998                 CHANNEL_T *ChP,
  999                 int AiopNum,
 1000                 int ChanNum);
 1001 Byte_t sGetRxErrStatus(CHANNEL_T *ChP);
 1002 void sStopRxProcessor(CHANNEL_T *ChP);
 1003 void sStopSWInFlowCtl(CHANNEL_T *ChP);
 1004 void sFlushRxFIFO(CHANNEL_T *ChP);
 1005 void sFlushTxFIFO(CHANNEL_T *ChP);
 1006 int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data);
 1007 void sEnInterrupts(CHANNEL_T *ChP,Word_t Flags);
 1008 void sDisInterrupts(CHANNEL_T *ChP,Word_t Flags);
 1009 int rp_attachcommon(CONTROLLER_T *ctlp, int num_aiops, int num_ports);
 1010 void rp_releaseresource(CONTROLLER_t *ctlp);
 1011 void rp_untimeout(void);
 1012 static __inline void
 1013 rp_lock(CONTROLLER_T *CtlP)
 1014 {
 1015         if (CtlP->hwmtx_init != 0)
 1016                 mtx_lock_spin(&CtlP->hwmtx);
 1017 }
 1018 static __inline void
 1019 rp_unlock(CONTROLLER_T *CtlP)
 1020 {
 1021         if (CtlP->hwmtx_init != 0)
 1022                 mtx_unlock_spin(&CtlP->hwmtx);
 1023 }
 1024 
 1025 #ifndef ROCKET_C
 1026 extern Byte_t R[RDATASIZE];
 1027 extern CONTROLLER_T sController[CTL_SIZE];
 1028 extern Byte_t sIRQMap[16];
 1029 #endif
 1030 extern Byte_t rp_sBitMapClrTbl[8];
 1031 extern Byte_t rp_sBitMapSetTbl[8];

Cache object: 51de908537bac3926deab71e4001a3c7


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.