src/mainboard/samsung/lumpy/ec.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   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
  42 extern void lumpy_ec_init(void);
  43
  44 #endif // LUMPY_EC_H