71 lines
2.3 KiB
C
Executable file
71 lines
2.3 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Q40 master Chip Control
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* RTC stuff merged for compactness.
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*/
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#ifndef _Q40_MASTER_H
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#define _Q40_MASTER_H
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#include <asm/raw_io.h>
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#include <asm/kmap.h>
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#define q40_master_addr 0xff000000
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#define IIRQ_REG 0x0 /* internal IRQ reg */
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#define EIRQ_REG 0x4 /* external ... */
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#define KEYCODE_REG 0x1c /* value of received scancode */
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#define DISPLAY_CONTROL_REG 0x18
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#define FRAME_CLEAR_REG 0x24
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#define LED_REG 0x30
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#define Q40_LED_ON() master_outb(1,LED_REG)
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#define Q40_LED_OFF() master_outb(0,LED_REG)
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#define INTERRUPT_REG IIRQ_REG /* "native" ints */
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#define KEY_IRQ_ENABLE_REG 0x08 /**/
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#define KEYBOARD_UNLOCK_REG 0x20 /* clear kb int */
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#define SAMPLE_ENABLE_REG 0x14 /* generate SAMPLE ints */
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#define SAMPLE_RATE_REG 0x2c
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#define SAMPLE_CLEAR_REG 0x28
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#define SAMPLE_LOW 0x00
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#define SAMPLE_HIGH 0x01
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#define FRAME_RATE_REG 0x38 /* generate FRAME ints at 200 HZ rate */
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#if 0
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#define SER_ENABLE_REG 0x0c /* allow serial ints to be generated */
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#endif
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#define EXT_ENABLE_REG 0x10 /* ... rest of the ISA ints ... */
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#define master_inb(_reg_) in_8((unsigned char *)q40_master_addr+_reg_)
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#define master_outb(_b_,_reg_) out_8((unsigned char *)q40_master_addr+_reg_,_b_)
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/* RTC defines */
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#define Q40_RTC_BASE (0xff021ffc)
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#define Q40_RTC_YEAR (*(volatile unsigned char *)(Q40_RTC_BASE+0))
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#define Q40_RTC_MNTH (*(volatile unsigned char *)(Q40_RTC_BASE-4))
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#define Q40_RTC_DATE (*(volatile unsigned char *)(Q40_RTC_BASE-8))
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#define Q40_RTC_DOW (*(volatile unsigned char *)(Q40_RTC_BASE-12))
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#define Q40_RTC_HOUR (*(volatile unsigned char *)(Q40_RTC_BASE-16))
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#define Q40_RTC_MINS (*(volatile unsigned char *)(Q40_RTC_BASE-20))
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#define Q40_RTC_SECS (*(volatile unsigned char *)(Q40_RTC_BASE-24))
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#define Q40_RTC_CTRL (*(volatile unsigned char *)(Q40_RTC_BASE-28))
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/* some control bits */
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#define Q40_RTC_READ 64 /* prepare for reading */
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#define Q40_RTC_WRITE 128
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/* define some Q40 specific ints */
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#include <asm/q40ints.h>
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/* misc defs */
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#define DAC_LEFT ((unsigned char *)0xff008000)
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#define DAC_RIGHT ((unsigned char *)0xff008004)
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#endif /* _Q40_MASTER_H */
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