/*- * Copyright (c) 1998 Nicolas Souchu * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: ppb_msq.h,v 1.5 1999/01/30 15:35:39 nsouch Exp $ * */ #ifndef __PPB_MSQ_H #define __PPB_MSQ_H /* * Basic definitions */ /* microsequence parameter descriptor */ #define MS_INS_MASK 0x00ff /* mask to retrieve the instruction position < 256 XXX */ #define MS_ARG_MASK 0x0f00 /* mask to retrieve the argument number */ #define MS_TYP_MASK 0xf000 /* mask to retrieve the type of the param */ /* offset of each mask (see above) */ #define MS_INS_OFFSET 0 #define MS_ARG_OFFSET 8 #define MS_TYP_OFFSET 12 /* list of parameter types */ #define MS_TYP_INT 0x0 /* integer */ #define MS_TYP_CHA 0x1 /* character */ #define MS_TYP_PTR 0x2 /* void pointer */ #define MS_TYP_FUN 0x3 /* function pointer */ #define MS_PARAM(ins,arg,typ) \ (((ins<> MS_INS_OFFSET) #define MS_ARG(param) ((param & MS_ARG_MASK) >> MS_ARG_OFFSET) #define MS_TYP(param) ((param & MS_TYP_MASK) >> MS_TYP_OFFSET) /* microsequence opcodes - do not change! */ #define MS_OP_GET 0 /* get , */ #define MS_OP_PUT 1 /* put , */ #define MS_OP_RFETCH 2 /* rfetch , , */ #define MS_OP_RSET 3 /* rset , , */ #define MS_OP_RASSERT 4 /* rassert , */ #define MS_OP_DELAY 5 /* delay */ #define MS_OP_SET 6 /* set */ #define MS_OP_DBRA 7 /* dbra */ #define MS_OP_BRSET 8 /* brset , */ #define MS_OP_BRCLEAR 9 /* brclear , */ #define MS_OP_RET 10 /* ret */ #define MS_OP_C_CALL 11 /* c_call , */ #define MS_OP_PTR 12 /* ptr */ #define MS_OP_ADELAY 13 /* adelay */ #define MS_OP_BRSTAT 14 /* brstat , , */ #define MS_OP_SUBRET 15 /* subret */ #define MS_OP_CALL 16 /* call */ #define MS_OP_RASSERT_P 17 /* rassert_p , */ #define MS_OP_RFETCH_P 18 /* rfetch_p , , */ #define MS_OP_TRIG 19 /* trigger , , */ /* common masks */ #define MS_CLEAR_ALL 0x0 #define MS_ASSERT_NONE 0x0 #define MS_ASSERT_ALL 0xff #define MS_FETCH_ALL 0xff /* undefined parameter value */ #define MS_NULL 0 #define MS_UNKNOWN MS_NULL /* predifined parameters */ #define MS_ACCUM -1 /* use accum previously set by MS_OP_SET */ /* these are register numbers according to our PC-like parallel port model */ #define MS_REG_DTR 0x0 #define MS_REG_STR 0x1 #define MS_REG_CTR 0x2 #define MS_REG_EPP_A 0x3 #define MS_REG_EPP_D 0x4 /* * Microsequence macro abstraction level */ /* register operations */ #define MS_RSET(reg,assert,clear) { MS_OP_RSET, {{ reg }, { assert }, { clear }}} #define MS_RASSERT(reg,byte) { MS_OP_RASSERT, { { reg }, { byte }}} #define MS_RCLR(reg,clear) { MS_OP_RSET, {{ reg }, { MS_ASSERT_NONE }, { clear }}} #define MS_RFETCH(reg,mask,ptr) { MS_OP_RFETCH, {{ reg }, { mask }, { ptr }}} /* trigger the port with array[char, delay,...] */ #define MS_TRIG(reg,len,array) { MS_OP_TRIG, {{ reg }, { len }, { array }}} /* assert/fetch from/to ptr */ #define MS_RASSERT_P(n,reg) { MS_OP_RASSERT_P, {{ n }, { reg }}} #define MS_RFETCH_P(n,reg,mask) { MS_OP_RFETCH_P, {{ n }, { reg }, { mask }}} /* ptr manipulation */ #define MS_PTR(ptr) { MS_OP_PTR, {{ ptr }}} #define MS_DASS(byte) MS_RASSERT(MS_REG_DTR,byte) #define MS_SASS(byte) MS_RASSERT(MS_REG_STR,byte) #define MS_CASS(byte) MS_RASSERT(MS_REG_CTR,byte) #define MS_SET(accum) { MS_OP_SET, {{ accum }}} #define MS_BRSET(mask,offset) { MS_OP_BRSET, {{ mask }, { offset }}} #define MS_DBRA(offset) { MS_OP_DBRA, {{ offset }}} #define MS_BRCLEAR(mask,offset) { MS_OP_BRCLEAR, {{ mask }, { offset }}} #define MS_BRSTAT(mask_set,mask_clr,offset) \ { MS_OP_BRSTAT, {{ mask_set }, { mask_clr }, { offset }}} /* C function or submicrosequence call */ #define MS_C_CALL(function,parameter) \ { MS_OP_C_CALL, {{ function }, { parameter }}} #define MS_CALL(microseq) { MS_OP_CALL, {{ microseq }}} /* mode dependent read/write operations * ppb_MS_xxx_init() call required otherwise default is * IEEE1284 operating mode */ #define MS_PUT(ptr,len) { MS_OP_PUT, {{ ptr }, { len }}} #define MS_GET(ptr,len) { MS_OP_GET, {{ ptr }, { len }}} /* delay in microseconds */ #define MS_DELAY(udelay) { MS_OP_DELAY, {{ udelay }}} /* asynchroneous delay in ms */ #define MS_ADELAY(mdelay) { MS_OP_ADELAY, {{ mdelay }}} /* return from submicrosequence execution or microseqence execution */ #define MS_SUBRET(code) { MS_OP_SUBRET, {{ code }}} #define MS_RET(code) { MS_OP_RET, {{ code }}} /* * Function abstraction level */ #define ppb_MS_GET_init(dev,body) ppb_MS_init(dev, body, MS_OP_GET) #define ppb_MS_PUT_init(dev,body) ppb_MS_init(dev, body, MS_OP_PUT) extern int ppb_MS_init( struct ppb_device *, /* ppbus device */ struct ppb_microseq *, /* loop msq to assign */ int opcode /* MS_OP_GET, MS_OP_PUT */ ); extern int ppb_MS_init_msq( struct ppb_microseq *, int, /* number of parameters */ ... /* descriptor, value, ... */ ); extern int ppb_MS_exec( struct ppb_device *, /* ppbus device */ int, /* microseq opcode */ union ppb_insarg, /* param1 */ union ppb_insarg, /* param2 */ union ppb_insarg, /* param3 */ int * /* returned value */ ); extern int ppb_MS_loop( struct ppb_device *, /* ppbus device */ struct ppb_microseq *, /* prologue msq of loop */ struct ppb_microseq *, /* body msq of loop */ struct ppb_microseq *, /* epilogue msq of loop */ int, /* number of iter */ int * /* returned value */ ); extern int ppb_MS_microseq( struct ppb_device *, /* ppbus device */ struct ppb_microseq *, /* msq to execute */ int * /* returned value */ ); #endif