1 /* $Id: boardergo.h,v 1.2.6.1 2001/09/23 22:24:54 kai Exp $
2  *
3  * Linux driver for HYSDN cards, definitions for ergo type boards (buffers..).
4  *
5  * Author    Werner Cornelius (werner@titro.de) for Hypercope GmbH
6  * Copyright 1999 by Werner Cornelius (werner@titro.de)
7  *
8  * This software may be used and distributed according to the terms
9  * of the GNU General Public License, incorporated herein by reference.
10  *
11  */
12 
13 
14 /************************************************/
15 /* defines for the dual port memory of the card */
16 /************************************************/
17 #define ERG_DPRAM_PAGE_SIZE 0x2000	/* DPRAM occupies a 8K page */
18 #define BOOT_IMG_SIZE 4096
19 #define ERG_DPRAM_FILL_SIZE (ERG_DPRAM_PAGE_SIZE - BOOT_IMG_SIZE)
20 
21 #define ERG_TO_HY_BUF_SIZE  0x0E00	/* 3072 bytes buffer size to card */
22 #define ERG_TO_PC_BUF_SIZE  0x0E00	/* 3072 bytes to PC, too */
23 
24 /* following DPRAM layout copied from OS2-driver boarderg.h */
25 typedef struct ErgDpram_tag {
26 	/*0000 */ unsigned char ToHyBuf[ERG_TO_HY_BUF_SIZE];
27 	/*0E00 */ unsigned char ToPcBuf[ERG_TO_PC_BUF_SIZE];
28 
29 	/*1C00 */ unsigned char bSoftUart[SIZE_RSV_SOFT_UART];
30 	/* size 0x1B0 */
31 
32 	/*1DB0 *//* tErrLogEntry */ unsigned char volatile ErrLogMsg[64];
33 	/* size 64 bytes */
34 	/*1DB0  unsigned long ulErrType;               */
35 	/*1DB4  unsigned long ulErrSubtype;            */
36 	/*1DB8  unsigned long ucTextSize;              */
37 	/*1DB9  unsigned long ucText[ERRLOG_TEXT_SIZE]; *//* ASCIIZ of len ucTextSize-1 */
38 	/*1DF0 */
39 
40 	/*1DF0 */ unsigned short volatile ToHyChannel;
41 	/*1DF2 */ unsigned short volatile ToHySize;
42 	/*1DF4 */ unsigned char volatile ToHyFlag;
43 	/* !=0: msg for Hy waiting */
44 	/*1DF5 */ unsigned char volatile ToPcFlag;
45 	/* !=0: msg for PC waiting */
46 	/*1DF6 */ unsigned short volatile ToPcChannel;
47 	/*1DF8 */ unsigned short volatile ToPcSize;
48 	/*1DFA */ unsigned char bRes1DBA[0x1E00 - 0x1DFA];
49 	/* 6 bytes */
50 
51 	/*1E00 */ unsigned char bRestOfEntryTbl[0x1F00 - 0x1E00];
52 	/*1F00 */ unsigned long TrapTable[62];
53 	/*1FF8 */ unsigned char bRes1FF8[0x1FFB - 0x1FF8];
54 	/* low part of reset vetor */
55 	/*1FFB */ unsigned char ToPcIntMetro;
56 	/* notes:
57 	 * - metro has 32-bit boot ram - accessing
58 	 *   ToPcInt and ToHyInt would be the same;
59 	 *   so we moved ToPcInt to 1FFB.
60 	 *   Because on the PC side both vars are
61 	 *   readonly (reseting on int from E1 to PC),
62 	 *   we can read both vars on both cards
63 	 *   without destroying anything.
64 	 * - 1FFB is the high byte of the reset vector,
65 	 *   so E1 side should NOT change this byte
66 	 *   when writing!
67 	 */
68 	/*1FFC */ unsigned char volatile ToHyNoDpramErrLog;
69 	/* note: ToHyNoDpramErrLog is used to inform
70 	 *       boot loader, not to use DPRAM based
71 	 *       ErrLog; when DOS driver is rewritten
72 	 *       this becomes obsolete
73 	 */
74 	/*1FFD */ unsigned char bRes1FFD;
75 	/*1FFE */ unsigned char ToPcInt;
76 	/* E1_intclear; on CHAMP2: E1_intset   */
77 	/*1FFF */ unsigned char ToHyInt;
78 	/* E1_intset;   on CHAMP2: E1_intclear */
79 } tErgDpram;
80 
81 /**********************************************/
82 /* PCI9050 controller local register offsets: */
83 /* copied from boarderg.c                     */
84 /**********************************************/
85 #define PCI9050_INTR_REG    0x4C	/* Interrupt register */
86 #define PCI9050_USER_IO     0x51	/* User I/O  register */
87 
88 /* bitmask for PCI9050_INTR_REG: */
89 #define PCI9050_INTR_REG_EN1    0x01	/* 1= enable (def.), 0= disable */
90 #define PCI9050_INTR_REG_POL1   0x02	/* 1= active high (def.), 0= active low */
91 #define PCI9050_INTR_REG_STAT1  0x04	/* 1= intr. active, 0= intr. not active (def.) */
92 #define PCI9050_INTR_REG_ENPCI  0x40	/* 1= PCI interrupts enable (def.) */
93 
94 /* bitmask for PCI9050_USER_IO: */
95 #define PCI9050_USER_IO_EN3     0x02	/* 1= disable      , 0= enable (def.) */
96 #define PCI9050_USER_IO_DIR3    0x04	/* 1= output (def.), 0= input         */
97 #define PCI9050_USER_IO_DAT3    0x08	/* 1= high (def.)  , 0= low           */
98 
99 #define PCI9050_E1_RESET    (PCI9050_USER_IO_DIR3)		/* 0x04 */
100 #define PCI9050_E1_RUN      (PCI9050_USER_IO_DAT3 | PCI9050_USER_IO_DIR3)		/* 0x0C */
101