[linux-2.6-block.git] / drivers / acpi / sbshc.h

struct acpi_smb_hc;
enum acpi_smb_protocol {
	SMBUS_WRITE_QUICK = 2,
	SMBUS_READ_QUICK = 3,
	SMBUS_SEND_BYTE = 4,
	SMBUS_RECEIVE_BYTE = 5,
	SMBUS_WRITE_BYTE = 6,
	SMBUS_READ_BYTE = 7,
	SMBUS_WRITE_WORD  = 8,
	SMBUS_READ_WORD  = 9,
	SMBUS_WRITE_BLOCK = 0xa,
	SMBUS_READ_BLOCK = 0xb,
	SMBUS_PROCESS_CALL = 0xc,
	SMBUS_BLOCK_PROCESS_CALL = 0xd,
};

static const u8 SMBUS_PEC = 0x80;

typedef void (*smbus_alarm_callback)(void *context);

extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
	       u8 command, u8 * data);
extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
		u8 command, u8 * data, u8 length);
extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
			         smbus_alarm_callback callback, void *context);
extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);
Commit	Line	Data
91087dfa AS	1	struct acpi_smb_hc;
	2	enum acpi_smb_protocol {
	3	SMBUS_WRITE_QUICK = 2,
	4	SMBUS_READ_QUICK = 3,
	5	SMBUS_SEND_BYTE = 4,
	6	SMBUS_RECEIVE_BYTE = 5,
	7	SMBUS_WRITE_BYTE = 6,
	8	SMBUS_READ_BYTE = 7,
	9	SMBUS_WRITE_WORD = 8,
	10	SMBUS_READ_WORD = 9,
	11	SMBUS_WRITE_BLOCK = 0xa,
	12	SMBUS_READ_BLOCK = 0xb,
	13	SMBUS_PROCESS_CALL = 0xc,
	14	SMBUS_BLOCK_PROCESS_CALL = 0xd,
	15	};
	16
	17	static const u8 SMBUS_PEC = 0x80;
	18
	19	typedef void (smbus_alarm_callback)(void context);
	20
	21	extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
	22	u8 command, u8 * data);
	23	extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
	24	u8 command, u8 * data, u8 length);
	25	extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
	26	smbus_alarm_callback callback, void *context);
	27	extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);