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/* z8036.h
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*
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* This include file defines information related to a Zilog Z8036
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* Counter/Timer/IO Chip. It is a memory mapped part.
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*
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* Input parameters: NONE
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*
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* Output parameters: NONE
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*
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* NOTE: This file shares as much as possible with the include
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* file for the Z8536 via z8x36.h.
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id: z8036.h,v 1.1.1.1 2001-07-10 09:46:49 chris Exp $
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*/
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#ifndef __Z8036_h
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#define __Z8036_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* macros */
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#define Z8036( ptr ) ((volatile struct z8036_map *)(ptr))
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#define Z8x36_STATE0 ( z8036 ) \
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{ /*char *garbage = *(Z8036(z8036))->???; */ }
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#define Z8x36_WRITE( z8036, reg, data ) \
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(Z8036(z8036))->reg = (data)
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#define Z8x36_READ( z8036, reg, data ) \
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(Z8036(z8036))->reg = (data)
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/* structures */
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struct z8036_map {
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/* MAIN CONTROL REGISTERS (0x00-0x07) */
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rtems_unsigned8 MASTER_INTR; /* Master Interrupt Ctl Reg */
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rtems_unsigned8 MASTER_CFG; /* Master Configuration Ctl Reg */
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rtems_unsigned8 PORTA_VECTOR; /* Port A - Interrupt Vector */
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rtems_unsigned8 PORTB_VECTOR; /* Port B - Interrupt Vector */
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rtems_unsigned8 CNT_TMR_VECTOR; /* Counter/Timer Interrupt Vector */
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rtems_unsigned8 PORTC_DATA_POLARITY; /* Port C - Data Path Polarity */
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rtems_unsigned8 PORTC_DIRECTION; /* Port C - Data Direction */
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rtems_unsigned8 PORTC_SPECIAL_IO_CTL; /* Port C - Special IO Control */
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/* MOST OFTEN ACCESSED REGISTERS (0x08 - 0x0f) */
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rtems_unsigned8 PORTA_CMD_STATUS; /* Port A - Command Status Reg */
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rtems_unsigned8 PORTB_CMD_STATUS; /* Port B - Command Status Reg */
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rtems_unsigned8 CT1_CMD_STATUS; /* Ctr/Timer 1 - Command Status Reg */
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rtems_unsigned8 CT2_CMD_STATUS; /* Ctr/Timer 2 - Command Status Reg */
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rtems_unsigned8 CT3_CMD_STATUS; /* Ctr/Timer 3 - Command Status Reg */
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rtems_unsigned8 PORTA_DATA; /* Port A - Data */
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rtems_unsigned8 PORTB_DATA; /* Port B - Data */
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rtems_unsigned8 PORTC_DATA; /* Port C - Data */
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/* COUNTER/TIMER RELATED REGISTERS (0x10-0x1f) */
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rtems_unsigned8 CT1_CUR_CNT_MSB; /* Ctr/Timer 1 - Current Count (MSB) */
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rtems_unsigned8 CT1_CUR_CNT_LSB; /* Ctr/Timer 1 - Current Count (LSB) */
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rtems_unsigned8 CT2_CUR_CNT_MSB; /* Ctr/Timer 2 - Current Count (MSB) */
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rtems_unsigned8 CT2_CUR_CNT_LSB; /* Ctr/Timer 2 - Current Count (LSB) */
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rtems_unsigned8 CT3_CUR_CNT_MSB; /* Ctr/Timer 3 - Current Count (MSB) */
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rtems_unsigned8 CT3_CUR_CNT_LSB; /* Ctr/Timer 3 - Current Count (LSB) */
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rtems_unsigned8 CT1_TIME_CONST_MSB; /* Ctr/Timer 1 - Time Constant (MSB) */
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rtems_unsigned8 CT1_TIME_CONST_LSB; /* Ctr/Timer 1 - Time Constant (LSB) */
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rtems_unsigned8 CT2_TIME_CONST_MSB; /* Ctr/Timer 2 - Time Constant (MSB) */
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rtems_unsigned8 CT2_TIME_CONST_LSB; /* Ctr/Timer 2 - Time Constant (LSB) */
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rtems_unsigned8 CT3_TIME_CONST_MSB; /* Ctr/Timer 3 - Time Constant (MSB) */
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rtems_unsigned8 CT3_TIME_CONST_LSB; /* Ctr/Timer 3 - Time Constant (LSB) */
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rtems_unsigned8 CT1_MODE_SPEC; /* Ctr/Timer 1 - Mode Specification */
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rtems_unsigned8 CT2_MODE_SPEC; /* Ctr/Timer 2 - Mode Specification */
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rtems_unsigned8 CT3_MODE_SPEC; /* Ctr/Timer 3 - Mode Specification */
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rtems_unsigned8 CURRENT_VECTOR; /* Current Vector */
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/* PORT A SPECIFICATION REGISTERS (0x20 -0x27) */
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rtems_unsigned8 PORTA_MODE; /* Port A - Mode Specification */
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rtems_unsigned8 PORTA_HANDSHAKE; /* Port A - Handshake Specification */
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rtems_unsigned8 PORTA_DATA_POLARITY; /* Port A - Data Path Polarity */
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rtems_unsigned8 PORTA_DIRECTION; /* Port A - Data Direction */
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rtems_unsigned8 PORTA_SPECIAL_IO_CTL; /* Port A - Special IO Control */
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rtems_unsigned8 PORTA_PATT_POLARITY; /* Port A - Pattern Polarity */
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rtems_unsigned8 PORTA_PATT_TRANS; /* Port A - Pattern Transition */
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rtems_unsigned8 PORTA_PATT_MASK; /* Port A - Pattern Mask */
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/* PORT B SPECIFICATION REGISTERS (0x28-0x2f) */
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rtems_unsigned8 PORTB_MODE; /* Port B - Mode Specification */
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rtems_unsigned8 PORTB_HANDSHAKE; /* Port B - Handshake Specification */
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rtems_unsigned8 PORTB_DATA_POLARITY; /* Port B - Data Path Polarity */
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rtems_unsigned8 PORTB_DIRECTION; /* Port B - Data Direction */
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rtems_unsigned8 PORTB_SPECIAL_IO_CTL; /* Port B - Special IO Control */
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rtems_unsigned8 PORTB_PATT_POLARITY; /* Port B - Pattern Polarity */
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rtems_unsigned8 PORTB_PATT_TRANS; /* Port B - Pattern Transition */
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rtems_unsigned8 PORTB_PATT_MASK; /* Port B - Pattern Mask */
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};
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#ifdef __cplusplus
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}
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#endif
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#endif
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