src/mainboard/intel/emeraldlake2/ec.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef LUMPY_EC_H
   4 #define LUMPY_EC_H
   5
   6 /* Commands */
   7 #define EC_SMI_ENABLE                 0x74
   8 #define EC_SMI_DISABLE                0x75
   9 #define EC_ACPI_ENABLE                0x76 /* Enter ACPI mode */
  10 #define EC_ACPI_DISABLE               0x77 /* Exit ACPI mode */
  11
  12 /* Commands with data */
  13 #define EC_AUX_PORT_MODE              0x64 /* PS/2 control mode */
  14 #define  EC_AUX_PORT_MODE_ENABLE       0x00
  15 #define  EC_AUX_PORT_MODE_DISABLE      0x01
  16 #define EC_POWER_BUTTON_MODE          0x63
  17 #define  EC_POWER_BUTTON_MODE_OS       0x00 /* OS control, 8 second override */
  18 #define  EC_POWER_BUTTON_MODE_EC       0x00 /* EC control */
  19 #define EC_BACKLIGHT_OFF              0x67  /* Turn Backlight Off */
  20 #define EC_BACKLIGHT_ON               0x68  /* Turn Backlight On */
  21 #define EC_BATTERY_MODE               0x13
  22 #define  EC_BATTERY_MODE_NORMAL        0x00 /* Normal mode */
  23 #define  EC_BATTERY_MODE_EXTEND        0x01 /* Battery Life Cycle Extension */
  24
  25 /* EC RAM */
  26 #define EC_FAN_SPEED                  0xca
  27 #define  EC_FAN_SPEED_LEVEL_0          0x01 /* Level 0 is fastest */
  28 #define  EC_FAN_SPEED_LEVEL_1          0x02 /* Level 1 is fast */
  29 #define  EC_FAN_SPEED_LEVEL_2          0x04 /* Level 2 is slow */
  30 #define  EC_FAN_SPEED_LEVEL_3          0x08 /* Level 3 is slowest */
  31 #define  EC_FAN_SPEED_LEVEL_4          0x10 /* Level 4 is off */
  32 #define  EC_FAN_SPEED_FLAG_OS          0x80 /* OS control of fan speed */
  33
  34 void lumpy_ec_init(void);
  35
  36 #endif // LUMPY_EC_H