Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Definitions for talking to ADB and CUDA. The CUDA is a microcontroller | |
3 | * which controls the ADB, system power, RTC, and various other things on | |
4 | * later Macintoshes | |
5 | * | |
6 | * Copyright (C) 1996 Paul Mackerras. | |
7 | */ | |
8 | ||
9 | /* First byte sent to or received from CUDA */ | |
10 | #define ADB_PACKET 0 | |
11 | #define CUDA_PACKET 1 | |
12 | #define ERROR_PACKET 2 | |
13 | #define TIMER_PACKET 3 | |
14 | #define POWER_PACKET 4 | |
15 | #define MACIIC_PACKET 5 | |
16 | ||
17 | /* ADB commands (2nd byte) */ | |
18 | #define ADB_BUSRESET 0 | |
19 | #define ADB_FLUSH(id) (1 + ((id) << 4)) | |
20 | #define ADB_WRITEREG(id, reg) (8 + (reg) + ((id) << 4)) | |
21 | #define ADB_READREG(id, reg) (0xc + (reg) + ((id) << 4)) | |
22 | ||
23 | /* ADB default device IDs (upper 4 bits of 2nd byte) */ | |
24 | #define ADB_DONGLE 1 /* "software execution control" devices */ | |
25 | #define ADB_KEYBOARD 2 | |
26 | #define ADB_MOUSE 3 | |
27 | #define ADB_TABLET 4 | |
28 | #define ADB_MODEM 5 | |
29 | #define ADB_MISC 7 /* maybe a monitor */ | |
30 | ||
31 | /* CUDA commands (2nd byte) */ | |
32 | #define CUDA_WARM_START 0 | |
33 | #define CUDA_AUTOPOLL 1 | |
34 | #define CUDA_GET_6805_ADDR 2 | |
35 | #define CUDA_GET_TIME 3 | |
36 | #define CUDA_GET_PRAM 7 | |
37 | #define CUDA_SET_6805_ADDR 8 | |
38 | #define CUDA_SET_TIME 9 | |
39 | #define CUDA_POWERDOWN 0xa | |
40 | #define CUDA_POWERUP_TIME 0xb | |
41 | #define CUDA_SET_PRAM 0xc | |
42 | #define CUDA_MS_RESET 0xd | |
43 | #define CUDA_SEND_DFAC 0xe | |
44 | #define CUDA_RESET_SYSTEM 0x11 | |
45 | #define CUDA_SET_IPL 0x12 | |
46 | #define CUDA_SET_AUTO_RATE 0x14 | |
47 | #define CUDA_GET_AUTO_RATE 0x16 | |
48 | #define CUDA_SET_DEVICE_LIST 0x19 | |
49 | #define CUDA_GET_DEVICE_LIST 0x1a | |
50 | #define CUDA_GET_SET_IIC 0x22 | |
51 | ||
52 | #ifdef __KERNEL__ | |
53 | ||
54 | struct adb_request { | |
55 | unsigned char data[16]; | |
56 | int nbytes; | |
57 | unsigned char reply[16]; | |
58 | int reply_len; | |
59 | unsigned char reply_expected; | |
60 | unsigned char sent; | |
61 | unsigned char got_reply; | |
62 | void (*done)(struct adb_request *); | |
63 | void *arg; | |
64 | struct adb_request *next; | |
65 | }; | |
66 | ||
67 | void via_adb_init(void); | |
68 | int adb_request(struct adb_request *req, | |
69 | void (*done)(struct adb_request *), int nbytes, ...); | |
70 | int adb_send_request(struct adb_request *req); | |
71 | void adb_poll(void); | |
72 | int adb_register(int default_id, | |
73 | void (*handler)(unsigned char *, int, struct pt_regs *)); | |
74 | ||
75 | #endif /* __KERNEL */ |