linux/drivers/isdn/act2000/act2000_isa.h
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   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