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      1 /* $NetBSD: coscreg.h,v 1.1 2001/10/05 22:27:54 reinoud Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1996 Mark Brinicombe
      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  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Mark Brinicombe
     18  *      for the NetBSD Project.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 /*
     36  * Termination and DMA enable registers provided by
     37  * Andreas Gandor <andi (at) knipp.de>
     38  */
     39 
     40 #ifndef _COSCREG_H_
     41 #define _COSCREG_H_
     42 
     43 #include <acorn32/podulebus/escvar.h>
     44 
     45 typedef volatile unsigned short vu_short;
     46 
     47 typedef struct cosc_regmap {
     48 	esc_regmap_t	esc;
     49 	vu_char		*chipreset;
     50 	vu_char		*inten;
     51 	vu_char		*status;
     52 	vu_char		*term;
     53 	vu_char		*led;
     54 } cosc_regmap_t;
     55 typedef cosc_regmap_t *cosc_regmap_p;
     56 
     57 /*
     58 #define COSC_CONTROL_CHIPRESET
     59 #define	COSC_CONTROL_INTEN
     60 #define COSC_STATUS
     61 #define COSC_CONTROL_LED
     62 */
     63 
     64 #define COSC_CONFIG_CONTROL_REG1	0x0ff0
     65 #define COSC_CONFIG_CONTROL_REG1_MASK	0x97
     66 #define COSC_CONFIG_CONTROL_REG2	0x0ff4
     67 #define COSC_CONFIG_CONTROL_REG2_MASK	0x07
     68 #define COSC_CONFIG_CONTROL_REG3	0x0ff8
     69 #define COSC_CONFIG_CONTROL_REG3_MASK	0x83
     70 #define COSC_CONFIG_CONTROL_REG4	0x0ffc
     71 #define COSC_CONFIG_CONTROL_REG4_MASK	0xec
     72 #define COSC_CONFIG_TERMINATION		0x1000
     73 #define COSC_CONFIG_TERMINATION_ON	0x01
     74 #define COSC_CONFIG_FIRST_SCANNED	0x1040	/* Used by RiscOS */
     75 #define COSC_CONFIG_INC_FURTHER_PARTS	0x1048	/* Used by RiscOS */
     76 #define COSC_CONFIG_SYNCH_MODE		0x1050
     77 #define COSC_CONFIG_SYNCH_MODE_ON	0x01
     78 #define COSC_CONFIG_SHUTDOWN		0x1054	/* Used by RiscOS */
     79 #define COSC_CONFIG_SHUTDOWN_SPINDOWN	0x01	/* Used by RiscOS */
     80 #define COSC_CONFIG_SHUTDOWN_EJECT	0x02	/* Used by RiscOS */
     81 #define COSC_CONFIG_DELAY_REMOVABLE	0x105c	/* Used by RiscOS */
     82 #define COSC_CONFIG_DELAY_HARDDISC	0x1060	/* Used by RiscOS */
     83 #define COSC_CONFIG_DELAY_BOOT		0x1064	/* Used by RiscOS */
     84 #define COSC_CONFIG_CDROM		0x1068	/* Used by RiscOS */
     85 
     86 #define COSC_TERMINATION_CONTROL	0x2600
     87 #define COSC_TERMINATION_ON		0x00
     88 #define COSC_TERMINATION_OFF		0x01
     89 #define COSC_REGISTER_00		0x2800
     90 #define COSC_REGISTER_01		0x2a00
     91 #define COSC_PAGE_REGISTER		0x3000
     92 
     93 #define COSC_ESCOFFSET_BASE		0x3c00
     94 #define COSC_ESCOFFSET_TCL		0x0000
     95 #define COSC_ESCOFFSET_TCM		0x0004
     96 #define COSC_ESCOFFSET_FIFO		0x0008
     97 #define COSC_ESCOFFSET_COMMAND		0x000c
     98 #define COSC_ESCOFFSET_DESTID		0x0010
     99 #define COSC_ESCOFFSET_TIMEOUT		0x0014
    100 #define COSC_ESCOFFSET_PERIOD		0x0018
    101 #define COSC_ESCOFFSET_OFFSET		0x001c
    102 #define COSC_ESCOFFSET_CONFIG1		0x0020
    103 #define COSC_ESCOFFSET_CLOCKCONV	0x0024
    104 #define COSC_ESCOFFSET_TEST		0x0028
    105 #define COSC_ESCOFFSET_CONFIG2		0x002c
    106 #define COSC_ESCOFFSET_CONFIG3		0x0030
    107 #define COSC_ESCOFFSET_CONFIG4		0x0034
    108 #define COSC_ESCOFFSET_TCH		0x0038
    109 #define COSC_ESCOFFSET_FIFOBOTTOM	0x003c
    110 
    111 #endif /* _COSCREG_H_ */
    112