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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $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>
Joe Perches475be4d2012-02-19 19:52:38 -08007 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 * 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 {
Joe Perches475be4d2012-02-19 19:52:38 -080021 INT_NO_CHANGE = 0, /* Do not change the Mask */
22 INT_ON = 1, /* Set to Enable */
23 INT_OFF = 2, /* Set to Disable */
Linus Torvalds1da177e2005-04-16 15:20:36 -070024} 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 */
Joe Perches475be4d2012-02-19 19:52:38 -0800117#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)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125
126/* Prototypes */
127
128extern int act2000_isa_detect(unsigned short portbase);
Joe Perches475be4d2012-02-19 19:52:38 -0800129extern 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);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133extern void act2000_isa_receive(act2000_card *card);
134extern void act2000_isa_send(act2000_card *card);
135
136#endif /* act2000_isa_h */