[linux.git] / drivers / acpi / sbshc.h

/* SPDX-License-Identifier: GPL-2.0 */
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;

enum acpi_sbs_device_addr {
	ACPI_SBS_CHARGER = 0x9,
	ACPI_SBS_MANAGER = 0xa,
	ACPI_SBS_BATTERY = 0xb,
};

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
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
91087dfa AS	2	struct acpi_smb_hc;
	3	enum acpi_smb_protocol {
	4	SMBUS_WRITE_QUICK = 2,
	5	SMBUS_READ_QUICK = 3,
	6	SMBUS_SEND_BYTE = 4,
	7	SMBUS_RECEIVE_BYTE = 5,
	8	SMBUS_WRITE_BYTE = 6,
	9	SMBUS_READ_BYTE = 7,
	10	SMBUS_WRITE_WORD = 8,
	11	SMBUS_READ_WORD = 9,
	12	SMBUS_WRITE_BLOCK = 0xa,
	13	SMBUS_READ_BLOCK = 0xb,
	14	SMBUS_PROCESS_CALL = 0xc,
	15	SMBUS_BLOCK_PROCESS_CALL = 0xd,
	16	};
	17
	18	static const u8 SMBUS_PEC = 0x80;
	19
c2d00f2d AS	20	enum acpi_sbs_device_addr {
	21	ACPI_SBS_CHARGER = 0x9,
	22	ACPI_SBS_MANAGER = 0xa,
	23	ACPI_SBS_BATTERY = 0xb,
	24	};
	25
91087dfa AS	26	typedef void (smbus_alarm_callback)(void context);
	27
	28	extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
	29	u8 command, u8 * data);
	30	extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
	31	u8 command, u8 * data, u8 length);
	32	extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
	33	smbus_alarm_callback callback, void *context);
	34	extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);