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/*
* Definitions for talking to ADB and CUDA. The CUDA is a microcontroller
* which controls the ADB, system power, RTC, and various other things on
* later Macintoshes
*
* Copyright (C) 1996 Paul Mackerras.
*/
/* First byte sent to or received from CUDA */
#define ADB_PACKET 0
#define CUDA_PACKET 1
#define ERROR_PACKET 2
#define TIMER_PACKET 3
#define POWER_PACKET 4
#define MACIIC_PACKET 5
/* ADB commands (2nd byte) */
#define ADB_BUSRESET 0
#define ADB_FLUSH(id) (1 + ((id) << 4))
#define ADB_WRITEREG(id, reg) (8 + (reg) + ((id) << 4))
#define ADB_READREG(id, reg) (0xc + (reg) + ((id) << 4))
/* ADB default device IDs (upper 4 bits of 2nd byte) */
#define ADB_DONGLE 1 /* "software execution control" devices */
#define ADB_KEYBOARD 2
#define ADB_MOUSE 3
#define ADB_TABLET 4
#define ADB_MODEM 5
#define ADB_MISC 7 /* maybe a monitor */
/* CUDA commands (2nd byte) */
#define CUDA_WARM_START 0
#define CUDA_AUTOPOLL 1
#define CUDA_GET_6805_ADDR 2
#define CUDA_GET_TIME 3
#define CUDA_GET_PRAM 7
#define CUDA_SET_6805_ADDR 8
#define CUDA_SET_TIME 9
#define CUDA_POWERDOWN 0xa
#define CUDA_POWERUP_TIME 0xb
#define CUDA_SET_PRAM 0xc
#define CUDA_MS_RESET 0xd
#define CUDA_SEND_DFAC 0xe
#define CUDA_RESET_SYSTEM 0x11
#define CUDA_SET_IPL 0x12
#define CUDA_SET_AUTO_RATE 0x14
#define CUDA_GET_AUTO_RATE 0x16
#define CUDA_SET_DEVICE_LIST 0x19
#define CUDA_GET_DEVICE_LIST 0x1a
#define CUDA_GET_SET_IIC 0x22
#ifdef __KERNEL__
struct adb_request {
unsigned char data[16];
int nbytes;
unsigned char reply[16];
int reply_len;
unsigned char reply_expected;
unsigned char sent;
unsigned char got_reply;
void (*done)(struct adb_request *);
void *arg;
struct adb_request *next;
};
void via_adb_init(void);
int adb_request(struct adb_request *req,
void (*done)(struct adb_request *), int nbytes, ...);
int adb_send_request(struct adb_request *req);
void adb_poll(void);
int adb_register(int default_id,
void (*handler)(unsigned char *, int, struct pt_regs *));
#endif /* __KERNEL */
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