xref: /linux/arch/m68k/include/asm/q40_master.h (revision 49148020bcb6910ce71417bd990a5ce7017f9bd3)
1*49148020SSam Ravnborg /*
2*49148020SSam Ravnborg  * Q40 master Chip Control
3*49148020SSam Ravnborg  * RTC stuff merged for compactnes..
4*49148020SSam Ravnborg */
5*49148020SSam Ravnborg 
6*49148020SSam Ravnborg #ifndef _Q40_MASTER_H
7*49148020SSam Ravnborg #define _Q40_MASTER_H
8*49148020SSam Ravnborg 
9*49148020SSam Ravnborg #include <asm/raw_io.h>
10*49148020SSam Ravnborg 
11*49148020SSam Ravnborg 
12*49148020SSam Ravnborg #define q40_master_addr 0xff000000
13*49148020SSam Ravnborg 
14*49148020SSam Ravnborg #define IIRQ_REG            0x0       /* internal IRQ reg */
15*49148020SSam Ravnborg #define EIRQ_REG            0x4       /* external ... */
16*49148020SSam Ravnborg #define KEYCODE_REG         0x1c      /* value of received scancode  */
17*49148020SSam Ravnborg #define DISPLAY_CONTROL_REG 0x18
18*49148020SSam Ravnborg #define FRAME_CLEAR_REG     0x24
19*49148020SSam Ravnborg #define LED_REG             0x30
20*49148020SSam Ravnborg 
21*49148020SSam Ravnborg #define Q40_LED_ON()        master_outb(1,LED_REG)
22*49148020SSam Ravnborg #define Q40_LED_OFF()       master_outb(0,LED_REG)
23*49148020SSam Ravnborg 
24*49148020SSam Ravnborg #define INTERRUPT_REG       IIRQ_REG  /* "native" ints */
25*49148020SSam Ravnborg #define KEY_IRQ_ENABLE_REG  0x08      /**/
26*49148020SSam Ravnborg #define KEYBOARD_UNLOCK_REG 0x20      /* clear kb int */
27*49148020SSam Ravnborg 
28*49148020SSam Ravnborg #define SAMPLE_ENABLE_REG   0x14      /* generate SAMPLE ints */
29*49148020SSam Ravnborg #define SAMPLE_RATE_REG     0x2c
30*49148020SSam Ravnborg #define SAMPLE_CLEAR_REG    0x28
31*49148020SSam Ravnborg #define SAMPLE_LOW          0x00
32*49148020SSam Ravnborg #define SAMPLE_HIGH         0x01
33*49148020SSam Ravnborg 
34*49148020SSam Ravnborg #define FRAME_RATE_REG       0x38      /* generate FRAME ints at 200 HZ rate */
35*49148020SSam Ravnborg 
36*49148020SSam Ravnborg #if 0
37*49148020SSam Ravnborg #define SER_ENABLE_REG      0x0c      /* allow serial ints to be generated */
38*49148020SSam Ravnborg #endif
39*49148020SSam Ravnborg #define EXT_ENABLE_REG      0x10      /* ... rest of the ISA ints ... */
40*49148020SSam Ravnborg 
41*49148020SSam Ravnborg 
42*49148020SSam Ravnborg #define master_inb(_reg_)      in_8((unsigned char *)q40_master_addr+_reg_)
43*49148020SSam Ravnborg #define master_outb(_b_,_reg_)  out_8((unsigned char *)q40_master_addr+_reg_,_b_)
44*49148020SSam Ravnborg 
45*49148020SSam Ravnborg /* RTC defines */
46*49148020SSam Ravnborg 
47*49148020SSam Ravnborg #define Q40_RTC_BASE	    (0xff021ffc)
48*49148020SSam Ravnborg 
49*49148020SSam Ravnborg #define Q40_RTC_YEAR        (*(volatile unsigned char *)(Q40_RTC_BASE+0))
50*49148020SSam Ravnborg #define Q40_RTC_MNTH        (*(volatile unsigned char *)(Q40_RTC_BASE-4))
51*49148020SSam Ravnborg #define Q40_RTC_DATE        (*(volatile unsigned char *)(Q40_RTC_BASE-8))
52*49148020SSam Ravnborg #define Q40_RTC_DOW         (*(volatile unsigned char *)(Q40_RTC_BASE-12))
53*49148020SSam Ravnborg #define Q40_RTC_HOUR        (*(volatile unsigned char *)(Q40_RTC_BASE-16))
54*49148020SSam Ravnborg #define Q40_RTC_MINS        (*(volatile unsigned char *)(Q40_RTC_BASE-20))
55*49148020SSam Ravnborg #define Q40_RTC_SECS        (*(volatile unsigned char *)(Q40_RTC_BASE-24))
56*49148020SSam Ravnborg #define Q40_RTC_CTRL        (*(volatile unsigned char *)(Q40_RTC_BASE-28))
57*49148020SSam Ravnborg 
58*49148020SSam Ravnborg /* some control bits */
59*49148020SSam Ravnborg #define Q40_RTC_READ   64  /* prepare for reading */
60*49148020SSam Ravnborg #define Q40_RTC_WRITE  128
61*49148020SSam Ravnborg 
62*49148020SSam Ravnborg /* define some Q40 specific ints */
63*49148020SSam Ravnborg #include "q40ints.h"
64*49148020SSam Ravnborg 
65*49148020SSam Ravnborg /* misc defs */
66*49148020SSam Ravnborg #define DAC_LEFT  ((unsigned char *)0xff008000)
67*49148020SSam Ravnborg #define DAC_RIGHT ((unsigned char *)0xff008004)
68*49148020SSam Ravnborg 
69*49148020SSam Ravnborg #endif /* _Q40_MASTER_H */
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