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/* z8036.h
*
* This include file defines information related to a Zilog Z8036
* Counter/Timer/IO Chip. It is a memory mapped part.
*
* Input parameters: NONE
*
* Output parameters: NONE
*
* NOTE: This file shares as much as possible with the include
* file for the Z8536 via z8x36.h.
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#ifndef __Z8036_h
#define __Z8036_h
#ifdef __cplusplus
extern "C" {
#endif
/* macros */
#define Z8036( ptr ) ((volatile struct z8036_map *)(ptr))
#define Z8x36_STATE0 ( z8036 ) \
{ /*char *garbage = *(Z8036(z8036))->???; */ }
#define Z8x36_WRITE( z8036, reg, data ) \
(Z8036(z8036))->reg = (data)
#define Z8x36_READ( z8036, reg, data ) \
(Z8036(z8036))->reg = (data)
/* structures */
struct z8036_map {
/* MAIN CONTROL REGISTERS (0x00-0x07) */
rtems_unsigned8 MASTER_INTR; /* Master Interrupt Ctl Reg */
rtems_unsigned8 MASTER_CFG; /* Master Configuration Ctl Reg */
rtems_unsigned8 PORTA_VECTOR; /* Port A - Interrupt Vector */
rtems_unsigned8 PORTB_VECTOR; /* Port B - Interrupt Vector */
rtems_unsigned8 CNT_TMR_VECTOR; /* Counter/Timer Interrupt Vector */
rtems_unsigned8 PORTC_DATA_POLARITY; /* Port C - Data Path Polarity */
rtems_unsigned8 PORTC_DIRECTION; /* Port C - Data Direction */
rtems_unsigned8 PORTC_SPECIAL_IO_CTL; /* Port C - Special IO Control */
/* MOST OFTEN ACCESSED REGISTERS (0x08 - 0x0f) */
rtems_unsigned8 PORTA_CMD_STATUS; /* Port A - Command Status Reg */
rtems_unsigned8 PORTB_CMD_STATUS; /* Port B - Command Status Reg */
rtems_unsigned8 CT1_CMD_STATUS; /* Ctr/Timer 1 - Command Status Reg */
rtems_unsigned8 CT2_CMD_STATUS; /* Ctr/Timer 2 - Command Status Reg */
rtems_unsigned8 CT3_CMD_STATUS; /* Ctr/Timer 3 - Command Status Reg */
rtems_unsigned8 PORTA_DATA; /* Port A - Data */
rtems_unsigned8 PORTB_DATA; /* Port B - Data */
rtems_unsigned8 PORTC_DATA; /* Port C - Data */
/* COUNTER/TIMER RELATED REGISTERS (0x10-0x1f) */
rtems_unsigned8 CT1_CUR_CNT_MSB; /* Ctr/Timer 1 - Current Count (MSB) */
rtems_unsigned8 CT1_CUR_CNT_LSB; /* Ctr/Timer 1 - Current Count (LSB) */
rtems_unsigned8 CT2_CUR_CNT_MSB; /* Ctr/Timer 2 - Current Count (MSB) */
rtems_unsigned8 CT2_CUR_CNT_LSB; /* Ctr/Timer 2 - Current Count (LSB) */
rtems_unsigned8 CT3_CUR_CNT_MSB; /* Ctr/Timer 3 - Current Count (MSB) */
rtems_unsigned8 CT3_CUR_CNT_LSB; /* Ctr/Timer 3 - Current Count (LSB) */
rtems_unsigned8 CT1_TIME_CONST_MSB; /* Ctr/Timer 1 - Time Constant (MSB) */
rtems_unsigned8 CT1_TIME_CONST_LSB; /* Ctr/Timer 1 - Time Constant (LSB) */
rtems_unsigned8 CT2_TIME_CONST_MSB; /* Ctr/Timer 2 - Time Constant (MSB) */
rtems_unsigned8 CT2_TIME_CONST_LSB; /* Ctr/Timer 2 - Time Constant (LSB) */
rtems_unsigned8 CT3_TIME_CONST_MSB; /* Ctr/Timer 3 - Time Constant (MSB) */
rtems_unsigned8 CT3_TIME_CONST_LSB; /* Ctr/Timer 3 - Time Constant (LSB) */
rtems_unsigned8 CT1_MODE_SPEC; /* Ctr/Timer 1 - Mode Specification */
rtems_unsigned8 CT2_MODE_SPEC; /* Ctr/Timer 2 - Mode Specification */
rtems_unsigned8 CT3_MODE_SPEC; /* Ctr/Timer 3 - Mode Specification */
rtems_unsigned8 CURRENT_VECTOR; /* Current Vector */
/* PORT A SPECIFICATION REGISTERS (0x20 -0x27) */
rtems_unsigned8 PORTA_MODE; /* Port A - Mode Specification */
rtems_unsigned8 PORTA_HANDSHAKE; /* Port A - Handshake Specification */
rtems_unsigned8 PORTA_DATA_POLARITY; /* Port A - Data Path Polarity */
rtems_unsigned8 PORTA_DIRECTION; /* Port A - Data Direction */
rtems_unsigned8 PORTA_SPECIAL_IO_CTL; /* Port A - Special IO Control */
rtems_unsigned8 PORTA_PATT_POLARITY; /* Port A - Pattern Polarity */
rtems_unsigned8 PORTA_PATT_TRANS; /* Port A - Pattern Transition */
rtems_unsigned8 PORTA_PATT_MASK; /* Port A - Pattern Mask */
/* PORT B SPECIFICATION REGISTERS (0x28-0x2f) */
rtems_unsigned8 PORTB_MODE; /* Port B - Mode Specification */
rtems_unsigned8 PORTB_HANDSHAKE; /* Port B - Handshake Specification */
rtems_unsigned8 PORTB_DATA_POLARITY; /* Port B - Data Path Polarity */
rtems_unsigned8 PORTB_DIRECTION; /* Port B - Data Direction */
rtems_unsigned8 PORTB_SPECIAL_IO_CTL; /* Port B - Special IO Control */
rtems_unsigned8 PORTB_PATT_POLARITY; /* Port B - Pattern Polarity */
rtems_unsigned8 PORTB_PATT_TRANS; /* Port B - Pattern Transition */
rtems_unsigned8 PORTB_PATT_MASK; /* Port B - Pattern Mask */
};
#ifdef __cplusplus
}
#endif
#endif
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