35 строки
999 B
C
35 строки
999 B
C
/* 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);
|