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Angel Ponsd32b6de2020-04-03 01:23:13 +02001/* SPDX-License-Identifier: GPL-2.0-only */
Stefan Reinauer155e9b52012-04-27 23:19:58 +02002
3#ifndef LUMPY_EC_H
4#define LUMPY_EC_H
5
6#define EC_MAILBOX_PORT 0xa00 /* Mailbox IO address */
7#define EC_SMI_GPI 1 /* GPIO 1 is KBC3_EXTSMI# */
8
9/* Commands */
10#define EC_SMI_ENABLE 0x74
11#define EC_SMI_DISABLE 0x75
12#define EC_ACPI_ENABLE 0x76 /* Enter ACPI mode */
13#define EC_ACPI_DISABLE 0x77 /* Exit ACPI mode */
14
15/* Commands with data */
16#define EC_AUX_PORT_MODE 0x64 /* PS/2 control mode */
17#define EC_AUX_PORT_MODE_ENABLE 0x00
18#define EC_AUX_PORT_MODE_DISABLE 0x01
19#define EC_POWER_BUTTON_MODE 0x63
20#define EC_POWER_BUTTON_MODE_OS 0x00 /* OS control, 8 second override */
21#define EC_POWER_BUTTON_MODE_EC 0x01 /* EC control */
22#define EC_BACKLIGHT_OFF 0x67 /* Turn Backlight Off */
23#define EC_BACKLIGHT_ON 0x68 /* Turn Backlight On */
24#define EC_BATTERY_MODE 0x13
25#define EC_BATTERY_MODE_NORMAL 0x00 /* Normal mode */
26#define EC_BATTERY_MODE_EXTEND 0x01 /* Battery Life Cycle Extension */
27#define EC_GET_SMI_CAUSE 0x72 /* Get cause of SMI */
28
29/* EC RAM */
30#define EC_FAN_SPEED 0xca
31#define EC_FAN_SPEED_LEVEL_0 0x01 /* Level 0 is fastest */
32#define EC_FAN_SPEED_LEVEL_1 0x02 /* Level 1 is fast */
33#define EC_FAN_SPEED_LEVEL_2 0x04 /* Level 2 is slow */
34#define EC_FAN_SPEED_LEVEL_3 0x08 /* Level 3 is slowest */
35#define EC_FAN_SPEED_LEVEL_4 0x10 /* Level 4 is off */
36#define EC_FAN_SPEED_FLAG_OS 0x80 /* OS control of fan speed */
37
38/* EC SMI */
39#define EC_LID_CLOSE 0x9c /* Lid close event */
40#define EC_LID_OPEN 0x9d /* Lid open event */
41
42extern void lumpy_ec_init(void);
43
44#endif // LUMPY_EC_H