cregit-Linux how code gets into the kernel

Release 4.14 arch/m68k/include/asm/q40_master.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Q40 master Chip Control
 * RTC stuff merged for compactness.
*/

#ifndef _Q40_MASTER_H

#define _Q40_MASTER_H

#include <asm/raw_io.h>



#define q40_master_addr 0xff000000


#define IIRQ_REG            0x0       
/* internal IRQ reg */

#define EIRQ_REG            0x4       
/* external ... */

#define KEYCODE_REG         0x1c      
/* value of received scancode  */

#define DISPLAY_CONTROL_REG 0x18

#define FRAME_CLEAR_REG     0x24

#define LED_REG             0x30


#define Q40_LED_ON()        master_outb(1,LED_REG)

#define Q40_LED_OFF()       master_outb(0,LED_REG)


#define INTERRUPT_REG       IIRQ_REG  
/* "native" ints */

#define KEY_IRQ_ENABLE_REG  0x08      
/**/

#define KEYBOARD_UNLOCK_REG 0x20      
/* clear kb int */


#define SAMPLE_ENABLE_REG   0x14      
/* generate SAMPLE ints */

#define SAMPLE_RATE_REG     0x2c

#define SAMPLE_CLEAR_REG    0x28

#define SAMPLE_LOW          0x00

#define SAMPLE_HIGH         0x01


#define FRAME_RATE_REG       0x38      
/* generate FRAME ints at 200 HZ rate */

#if 0
#define SER_ENABLE_REG      0x0c      /* allow serial ints to be generated */
#endif

#define EXT_ENABLE_REG      0x10      
/* ... rest of the ISA ints ... */



#define master_inb(_reg_)      in_8((unsigned char *)q40_master_addr+_reg_)

#define master_outb(_b_,_reg_)  out_8((unsigned char *)q40_master_addr+_reg_,_b_)

/* RTC defines */


#define Q40_RTC_BASE	    (0xff021ffc)


#define Q40_RTC_YEAR        (*(volatile unsigned char *)(Q40_RTC_BASE+0))

#define Q40_RTC_MNTH        (*(volatile unsigned char *)(Q40_RTC_BASE-4))

#define Q40_RTC_DATE        (*(volatile unsigned char *)(Q40_RTC_BASE-8))

#define Q40_RTC_DOW         (*(volatile unsigned char *)(Q40_RTC_BASE-12))

#define Q40_RTC_HOUR        (*(volatile unsigned char *)(Q40_RTC_BASE-16))

#define Q40_RTC_MINS        (*(volatile unsigned char *)(Q40_RTC_BASE-20))

#define Q40_RTC_SECS        (*(volatile unsigned char *)(Q40_RTC_BASE-24))

#define Q40_RTC_CTRL        (*(volatile unsigned char *)(Q40_RTC_BASE-28))

/* some control bits */

#define Q40_RTC_READ   64  
/* prepare for reading */

#define Q40_RTC_WRITE  128

/* define some Q40 specific ints */
#include <asm/q40ints.h>

/* misc defs */

#define DAC_LEFT  ((unsigned char *)0xff008000)

#define DAC_RIGHT ((unsigned char *)0xff008004)

#endif /* _Q40_MASTER_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)14577.54%228.57%
Geert Uytterhoeven2211.76%114.29%
Linus Torvalds179.09%114.29%
Andrea Gelmini10.53%114.29%
David Howells10.53%114.29%
Greg Kroah-Hartman10.53%114.29%
Total187100.00%7100.00%
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