1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Q40 master Chip Control 4 * RTC stuff merged for compactness. 5 */ 6 7 #ifndef _Q40_MASTER_H 8 #define _Q40_MASTER_H 9 10 #include <asm/raw_io.h> 11 #include <asm/kmap.h> 12 13 #define q40_master_addr 0xff000000 14 15 #define IIRQ_REG 0x0 /* internal IRQ reg */ 16 #define EIRQ_REG 0x4 /* external ... */ 17 #define KEYCODE_REG 0x1c /* value of received scancode */ 18 #define DISPLAY_CONTROL_REG 0x18 19 #define FRAME_CLEAR_REG 0x24 20 #define LED_REG 0x30 21 22 #define Q40_LED_ON() master_outb(1,LED_REG) 23 #define Q40_LED_OFF() master_outb(0,LED_REG) 24 25 #define INTERRUPT_REG IIRQ_REG /* "native" ints */ 26 #define KEY_IRQ_ENABLE_REG 0x08 /**/ 27 #define KEYBOARD_UNLOCK_REG 0x20 /* clear kb int */ 28 29 #define SAMPLE_ENABLE_REG 0x14 /* generate SAMPLE ints */ 30 #define SAMPLE_RATE_REG 0x2c 31 #define SAMPLE_CLEAR_REG 0x28 32 #define SAMPLE_LOW 0x00 33 #define SAMPLE_HIGH 0x01 34 35 #define FRAME_RATE_REG 0x38 /* generate FRAME ints at 200 HZ rate */ 36 37 #if 0 38 #define SER_ENABLE_REG 0x0c /* allow serial ints to be generated */ 39 #endif 40 #define EXT_ENABLE_REG 0x10 /* ... rest of the ISA ints ... */ 41 42 43 #define master_inb(_reg_) in_8((unsigned char *)q40_master_addr+_reg_) 44 #define master_outb(_b_,_reg_) out_8((unsigned char *)q40_master_addr+_reg_,_b_) 45 46 /* RTC defines */ 47 48 #define Q40_RTC_BASE (0xff021ffc) 49 50 #define Q40_RTC_YEAR (*(volatile unsigned char *)(Q40_RTC_BASE+0)) 51 #define Q40_RTC_MNTH (*(volatile unsigned char *)(Q40_RTC_BASE-4)) 52 #define Q40_RTC_DATE (*(volatile unsigned char *)(Q40_RTC_BASE-8)) 53 #define Q40_RTC_DOW (*(volatile unsigned char *)(Q40_RTC_BASE-12)) 54 #define Q40_RTC_HOUR (*(volatile unsigned char *)(Q40_RTC_BASE-16)) 55 #define Q40_RTC_MINS (*(volatile unsigned char *)(Q40_RTC_BASE-20)) 56 #define Q40_RTC_SECS (*(volatile unsigned char *)(Q40_RTC_BASE-24)) 57 #define Q40_RTC_CTRL (*(volatile unsigned char *)(Q40_RTC_BASE-28)) 58 59 /* some control bits */ 60 #define Q40_RTC_READ 64 /* prepare for reading */ 61 #define Q40_RTC_WRITE 128 62 63 /* define some Q40 specific ints */ 64 #include <asm/q40ints.h> 65 66 /* misc defs */ 67 #define DAC_LEFT ((unsigned char *)0xff008000) 68 #define DAC_RIGHT ((unsigned char *)0xff008004) 69 70 #endif /* _Q40_MASTER_H */ 71