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Diffstat (limited to 'bttv/experimental/algo-bit.h')
-rw-r--r-- | bttv/experimental/algo-bit.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/bttv/experimental/algo-bit.h b/bttv/experimental/algo-bit.h new file mode 100644 index 0000000..0cd97d8 --- /dev/null +++ b/bttv/experimental/algo-bit.h @@ -0,0 +1,38 @@ +#ifndef ALGO_BIT_H +#define AGLO_BIT_H 1 + +/* --- Defines for bit-adapters --------------------------------------- */ +#include "i2c.h" +/* + * This struct contains the hw-dependent functions of bit-style adapters to + * manipulate the line states, and to init any hw-specific features. This is + * only used if you have more than one hw-type of adapter running. + */ +struct bit_adapter { + char *name; /* give it a nice name */ + unsigned int id; /* not used yet, maybe later */ + void *data; /* private data for lolevel routines */ + void (*setsda) (void *data, int state); + void (*setscl) (void *data, int state); + int (*getsda) (void *data); + int (*getscl) (void *data); + + /* administrative calls */ + int (*client_register)(struct i2c_client *); + int (*client_unregister)(struct i2c_client *); + + /* local settings */ + int udelay; + int mdelay; + int timeout; + +}; + +extern struct bit_adapter *bit_adaps[]; + +#define BIT_ADAP_MAX 16 + +int i2c_bit_register_bus(struct bit_adapter *); +int i2c_bit_unregister_bus(struct bit_adapter *); + +#endif /* ALGO_BIT_H */ |