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/* $Id: act2000_isa.h,v 1.4.6.1 2001/09/23 22:24:32 kai Exp $
*
* ISDN lowlevel - module for the IBM ISDN - S0 Active 2000 ( ISA - Version ) .
*
* Author Fritz Elfert
* Copyright by Fritz Elfert < fritz @ isdn4linux . de >
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*
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* This software may be used and distributed according to the terms
* of the GNU General Public License , incorporated herein by reference .
*
* Thanks to Friedemann Baitinger and IBM Germany
*
*/
# ifndef act2000_isa_h
# define act2000_isa_h
# define ISA_POLL_LOOP 40 /* Try to read-write before give up */
typedef enum {
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INT_NO_CHANGE = 0 , /* Do not change the Mask */
INT_ON = 1 , /* Set to Enable */
INT_OFF = 2 , /* Set to Disable */
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} ISA_INT_T ;
/**************************************************************************/
/* Configuration Register COR (RW) */
/**************************************************************************/
/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */
/* Soft Res| IRQM | IRQ Select | N/A | WAIT |Proc err */
/**************************************************************************/
# define ISA_COR 0 /* Offset for ISA config register */
# define ISA_COR_PERR 0x01 /* Processor Error Enabled */
# define ISA_COR_WS 0x02 /* Insert Wait State if 1 */
# define ISA_COR_IRQOFF 0x38 /* No Interrupt */
# define ISA_COR_IRQ07 0x30 /* IRQ 7 Enable */
# define ISA_COR_IRQ05 0x28 /* IRQ 5 Enable */
# define ISA_COR_IRQ03 0x20 /* IRQ 3 Enable */
# define ISA_COR_IRQ10 0x18 /* IRQ 10 Enable */
# define ISA_COR_IRQ11 0x10 /* IRQ 11 Enable */
# define ISA_COR_IRQ12 0x08 /* IRQ 12 Enable */
# define ISA_COR_IRQ15 0x00 /* IRQ 15 Enable */
# define ISA_COR_IRQPULSE 0x40 /* 0 = Level 1 = Pulse Interrupt */
# define ISA_COR_RESET 0x80 /* Soft Reset for Transputer */
/**************************************************************************/
/* Interrupt Source Register ISR (RO) */
/**************************************************************************/
/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */
/* N/A | N/A | N/A |Err sig |Ser ID |IN Intr |Out Intr| Error */
/**************************************************************************/
# define ISA_ISR 1 /* Offset for Interrupt Register */
# define ISA_ISR_ERR 0x01 /* Error Interrupt */
# define ISA_ISR_OUT 0x02 /* Output Interrupt */
# define ISA_ISR_INP 0x04 /* Input Interrupt */
# define ISA_ISR_SERIAL 0x08 /* Read out Serial ID after Reset */
# define ISA_ISR_ERRSIG 0x10 /* Error Signal Input */
# define ISA_ISR_ERR_MASK 0xfe /* Mask Error Interrupt */
# define ISA_ISR_OUT_MASK 0xfd /* Mask Output Interrupt */
# define ISA_ISR_INP_MASK 0xfb /* Mask Input Interrupt */
/* Signature delivered after Reset at ISA_ISR_SERIAL (LSB first) */
# define ISA_SER_ID 0x0201 /* ID for ISA Card */
/**************************************************************************/
/* EEPROM Register EPR (RW) */
/**************************************************************************/
/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */
/* N/A | N/A | N/A |ROM Hold| ROM CS |ROM CLK | ROM IN |ROM Out */
/**************************************************************************/
# define ISA_EPR 2 /* Offset for this Register */
# define ISA_EPR_OUT 0x01 /* Rome Register Out (RO) */
# define ISA_EPR_IN 0x02 /* Rom Register In (WR) */
# define ISA_EPR_CLK 0x04 /* Rom Clock (WR) */
# define ISA_EPR_CS 0x08 /* Rom Cip Select (WR) */
# define ISA_EPR_HOLD 0x10 /* Rom Hold Signal (WR) */
/**************************************************************************/
/* EEPROM enable Register EER (unused) */
/**************************************************************************/
# define ISA_EER 3 /* Offset for this Register */
/**************************************************************************/
/* SLC Data Input SDI (RO) */
/**************************************************************************/
# define ISA_SDI 4 /* Offset for this Register */
/**************************************************************************/
/* SLC Data Output SDO (WO) */
/**************************************************************************/
# define ISA_SDO 5 /* Offset for this Register */
/**************************************************************************/
/* IMS C011 Mode 2 Input Status Register for INMOS CPU SIS (RW) */
/**************************************************************************/
/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */
/* N/A | N/A | N/A | N/A | N/A | N/A |Int Ena |Data Pre */
/**************************************************************************/
# define ISA_SIS 6 /* Offset for this Register */
# define ISA_SIS_READY 0x01 /* If 1 : data is available */
# define ISA_SIS_INT 0x02 /* Enable Interrupt for READ */
/**************************************************************************/
/* IMS C011 Mode 2 Output Status Register from INMOS CPU SOS (RW) */
/**************************************************************************/
/* 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 */
/* N/A | N/A | N/A | N/A | N/A | N/A |Int Ena |Out Rdy */
/**************************************************************************/
# define ISA_SOS 7 /* Offset for this Register */
# define ISA_SOS_READY 0x01 /* If 1 : we can write Data */
# define ISA_SOS_INT 0x02 /* Enable Interrupt for WRITE */
# define ISA_REGION 8 /* Number of Registers */
/* Macros for accessing ports */
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# define ISA_PORT_COR (card->port + ISA_COR)
# define ISA_PORT_ISR (card->port + ISA_ISR)
# define ISA_PORT_EPR (card->port + ISA_EPR)
# define ISA_PORT_EER (card->port + ISA_EER)
# define ISA_PORT_SDI (card->port + ISA_SDI)
# define ISA_PORT_SDO (card->port + ISA_SDO)
# define ISA_PORT_SIS (card->port + ISA_SIS)
# define ISA_PORT_SOS (card->port + ISA_SOS)
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/* Prototypes */
extern int act2000_isa_detect ( unsigned short portbase ) ;
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extern int act2000_isa_config_irq ( act2000_card * card , short irq ) ;
extern int act2000_isa_config_port ( act2000_card * card , unsigned short portbase ) ;
extern int act2000_isa_download ( act2000_card * card , act2000_ddef __user * cb ) ;
extern void act2000_isa_release ( act2000_card * card ) ;
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extern void act2000_isa_receive ( act2000_card * card ) ;
extern void act2000_isa_send ( act2000_card * card ) ;
# endif /* act2000_isa_h */