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 20 typedef 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 */ 127 128 extern int act2000_isa_detect(unsigned short portbase); 129 extern int act2000_isa_config_irq(act2000_card *card, short irq); 130 extern int act2000_isa_config_port(act2000_card *card, unsigned short portbase); 131 extern int act2000_isa_download(act2000_card *card, act2000_ddef __user *cb); 132 extern void act2000_isa_release(act2000_card *card); 133 extern void act2000_isa_receive(act2000_card *card); 134 extern void act2000_isa_send(act2000_card *card); 135 136 #endif /* act2000_isa_h */ 137