1/* $Id: act2000_isa.h,v 1.4.6.1 2001/09/23 22:24:32 kai Exp $
2 *
3 * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000 (ISA-Version).
4 *
5 * Author       Fritz Elfert
6 * Copyright    by Fritz Elfert      <fritz@isdn4linux.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 * Thanks to Friedemann Baitinger and IBM Germany
12 *
13 */
14
15#ifndef act2000_isa_h
16#define act2000_isa_h
17
18#define ISA_POLL_LOOP 40        /* Try to read-write before give up */
19
20typedef enum {
21	INT_NO_CHANGE = 0,      /* Do not change the Mask */
22	INT_ON = 1,             /* Set to Enable */
23	INT_OFF = 2,            /* Set to Disable */
24} ISA_INT_T;
25
26/**************************************************************************/
27/*      Configuration Register COR (RW)                                   */
28/**************************************************************************/
29/*    7    |   6    |    5   |   4    |    3   |    2   |    1   |    0   */
30/* Soft Res|  IRQM  |        IRQ Select        |   N/A  |  WAIT  |Proc err */
31/**************************************************************************/
32#define        ISA_COR             0	/* Offset for ISA config register */
33#define        ISA_COR_PERR     0x01	/* Processor Error Enabled        */
34#define        ISA_COR_WS       0x02	/* Insert Wait State if 1         */
35#define        ISA_COR_IRQOFF   0x38	/* No Interrupt                   */
36#define        ISA_COR_IRQ07    0x30	/* IRQ 7 Enable                   */
37#define        ISA_COR_IRQ05    0x28	/* IRQ 5 Enable                   */
38#define        ISA_COR_IRQ03    0x20	/* IRQ 3 Enable                   */
39#define        ISA_COR_IRQ10    0x18	/* IRQ 10 Enable                  */
40#define        ISA_COR_IRQ11    0x10	/* IRQ 11 Enable                  */
41#define        ISA_COR_IRQ12    0x08	/* IRQ 12 Enable                  */
42#define        ISA_COR_IRQ15    0x00	/* IRQ 15 Enable                  */
43#define        ISA_COR_IRQPULSE 0x40	/* 0 = Level 1 = Pulse Interrupt  */
44#define        ISA_COR_RESET    0x80	/* Soft Reset for Transputer      */
45
46/**************************************************************************/
47/*      Interrupt Source Register ISR (RO)                                */
48/**************************************************************************/
49/*    7    |   6    |    5   |   4    |    3   |    2   |    1   |    0   */
50/*   N/A   |  N/A   |   N/A  |Err sig |Ser ID  |IN Intr |Out Intr| Error  */
51/**************************************************************************/
52#define        ISA_ISR             1	/* Offset for Interrupt Register  */
53#define        ISA_ISR_ERR      0x01	/* Error Interrupt                */
54#define        ISA_ISR_OUT      0x02	/* Output Interrupt               */
55#define        ISA_ISR_INP      0x04	/* Input Interrupt                */
56#define        ISA_ISR_SERIAL   0x08	/* Read out Serial ID after Reset */
57#define        ISA_ISR_ERRSIG   0x10	/* Error Signal Input             */
58#define        ISA_ISR_ERR_MASK 0xfe    /* Mask Error Interrupt           */
59#define        ISA_ISR_OUT_MASK 0xfd    /* Mask Output Interrupt          */
60#define        ISA_ISR_INP_MASK 0xfb    /* Mask Input Interrupt           */
61
62/* Signature delivered after Reset at ISA_ISR_SERIAL (LSB first)          */
63#define        ISA_SER_ID     0x0201	/* ID for ISA Card                */
64
65/**************************************************************************/
66/*      EEPROM Register EPR (RW)                                          */
67/**************************************************************************/
68/*    7    |   6    |    5   |   4    |    3   |    2   |    1   |    0   */
69/*   N/A   |  N/A   |   N/A  |ROM Hold| ROM CS |ROM CLK | ROM IN |ROM Out */
70/**************************************************************************/
71#define        ISA_EPR             2	/* Offset for this Register       */
72#define        ISA_EPR_OUT      0x01	/* Rome Register Out (RO)         */
73#define        ISA_EPR_IN       0x02	/* Rom Register In (WR)           */
74#define        ISA_EPR_CLK      0x04	/* Rom Clock (WR)                 */
75#define        ISA_EPR_CS       0x08	/* Rom Cip Select (WR)            */
76#define        ISA_EPR_HOLD     0x10	/* Rom Hold Signal (WR)           */
77
78/**************************************************************************/
79/*      EEPROM enable Register EER (unused)                               */
80/**************************************************************************/
81#define        ISA_EER             3	/* Offset for this Register       */
82
83/**************************************************************************/
84/*      SLC Data Input SDI (RO)                                           */
85/**************************************************************************/
86#define        ISA_SDI             4	/* Offset for this Register       */
87
88/**************************************************************************/
89/*      SLC Data Output SDO (WO)                                          */
90/**************************************************************************/
91#define        ISA_SDO             5	/* Offset for this Register       */
92
93/**************************************************************************/
94/*      IMS C011 Mode 2 Input Status Register for INMOS CPU SIS (RW)      */
95/**************************************************************************/
96/*    7    |   6    |    5   |   4    |    3   |    2   |    1   |    0   */
97/*   N/A   |  N/A   |   N/A  |  N/A   |   N/A  |   N/A  |Int Ena |Data Pre */
98/**************************************************************************/
99#define        ISA_SIS             6	/* Offset for this Register       */
100#define        ISA_SIS_READY    0x01	/* If 1 : data is available       */
101#define        ISA_SIS_INT      0x02	/* Enable Interrupt for READ      */
102
103/**************************************************************************/
104/*      IMS C011 Mode 2 Output Status Register from INMOS CPU SOS (RW)    */
105/**************************************************************************/
106/*    7    |   6    |    5   |   4    |    3   |    2   |    1   |    0   */
107/*   N/A   |  N/A   |   N/A  |  N/A   |   N/A  |   N/A  |Int Ena |Out Rdy */
108/**************************************************************************/
109#define        ISA_SOS             7	/* Offset for this Register       */
110#define        ISA_SOS_READY    0x01	/* If 1 : we can write Data       */
111#define        ISA_SOS_INT      0x02	/* Enable Interrupt for WRITE     */
112
113#define        ISA_REGION          8	/* Number of Registers            */
114
115
116/* Macros for accessing ports */
117#define ISA_PORT_COR (card->port + ISA_COR)
118#define ISA_PORT_ISR (card->port + ISA_ISR)
119#define ISA_PORT_EPR (card->port + ISA_EPR)
120#define ISA_PORT_EER (card->port + ISA_EER)
121#define ISA_PORT_SDI (card->port + ISA_SDI)
122#define ISA_PORT_SDO (card->port + ISA_SDO)
123#define ISA_PORT_SIS (card->port + ISA_SIS)
124#define ISA_PORT_SOS (card->port + ISA_SOS)
125
126/* Prototypes */
127
128extern int act2000_isa_detect(unsigned short portbase);
129extern int act2000_isa_config_irq(act2000_card *card, short irq);
130extern int act2000_isa_config_port(act2000_card *card, unsigned short portbase);
131extern int act2000_isa_download(act2000_card *card, act2000_ddef __user *cb);
132extern void act2000_isa_release(act2000_card *card);
133extern void act2000_isa_receive(act2000_card *card);
134extern void act2000_isa_send(act2000_card *card);
135
136#endif                          /* act2000_isa_h */
137