| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: bbc_i2c.h,v 1.2 2001/04/02 09:59:25 davem Exp $ */ |
| 2 | #ifndef _BBC_I2C_H |
| 3 | #define _BBC_I2C_H |
| 4 | |
| 5 | #include <asm/ebus.h> |
| 6 | |
| 7 | struct bbc_i2c_client; |
| 8 | |
| 9 | /* Probing and attachment. */ |
| 10 | extern struct linux_ebus_child *bbc_i2c_getdev(int); |
| 11 | extern struct bbc_i2c_client *bbc_i2c_attach(struct linux_ebus_child *); |
| 12 | extern void bbc_i2c_detach(struct bbc_i2c_client *); |
| 13 | |
| 14 | /* Register read/write. NOTE: Blocking! */ |
| 15 | extern int bbc_i2c_writeb(struct bbc_i2c_client *, unsigned char val, int off); |
| 16 | extern int bbc_i2c_readb(struct bbc_i2c_client *, unsigned char *byte, int off); |
| 17 | extern int bbc_i2c_write_buf(struct bbc_i2c_client *, char *buf, int len, int off); |
| 18 | extern int bbc_i2c_read_buf(struct bbc_i2c_client *, char *buf, int len, int off); |
| 19 | |
| 20 | #endif /* _BBC_I2C_H */ |