blob: b04809e0f7e8f73f745adadf848ad9841441c3ea [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* EC communication interface for QUANTA EnE KB3940Q Embedded Controller.
*/
#ifndef _EC_QUANTA_ENE_KB3940Q_EC_H
#define _EC_QUANTA_ENE_KB3940Q_EC_H
#define EC_IO 0x380 /* Mainboard specific. Could be Kconfig option */
#define EC_IO_HIGH EC_IO + 1
#define EC_IO_LOW EC_IO + 2
#define EC_IO_DATA EC_IO + 3
// 60h/64h Command Interface
#define KBD_DATA 0x60
#define KBD_COMMAND 0x64
#define KBD_STATUS 0x64
#define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec)
#define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host)
// 62h/66h Command Interface
#define EC_DATA 0x62
#define EC_COMMAND 0x66
#define EC_SC 0x66
/* Wait 400ms for keyboard controller answers */
#define KBC_TIMEOUT_IN_MS 400
u8 ec_kbc_read_ob(void);
void ec_kbc_write_cmd(u8 cmd);
void ec_kbc_write_ib(u8 data);
u8 ec_read_ob(void);
void ec_write_cmd(u8 cmd);
void ec_write_ib(u8 data);
u8 ec_mem_read(u8 addr);
void ec_mem_write(u8 addr, u8 data);
/*****************************************************************************
* EC Internal memory
*/
#define EC_BAT_DCAP_LO 0x40
#define EC_BAT_DCAP_HI 0x41
#define EC_BAT_DVOLT_LO 0x42
#define EC_BAT_DVOLT_HI 0x43
#define EC_BAT_FULL_CAP_LO 0x44
#define EC_BAT_FULL_CAP_HI 0x45
#define EC_BAT_RATE_LO 0x46
#define EC_BAT_RATE_HI 0x47
#define EC_BAT_RMC_LO 0x48
#define EC_BAT_RMC_HI 0x49
#define EC_BAT_VOLT_LO 0x4A
#define EC_BAT_VOLT_HI 0x4B
#define EC_BAT_CHRG_CURT_LO 0x4C
#define EC_BAT_CHRG_CURT_HI 0x4D
#define EC_BAT_CHRG_VOLT_LO 0x4E
#define EC_BAT_CHRG_VOLT_HI 0x4F
#define EC_BAT_TEMP_LO 0x50
#define EC_BAT_TEMP_HI 0x51
#define EC_BAT_SN_LO 0x52
#define EC_BAT_SN_HI 0x53
#define EC_BAT_RSOC_LO 0x54
#define EC_BAT_RSOC_HI 0x55
#define EC_BAT_STATUS_LO 0x56
#define EC_BAT_STATUS_HI 0x57
#define EC_BAT_CYCLE_COUNT_LO 0x58
#define EC_BAT_CYCLE_COUNT_HI 0x59
#define EC_BAT_MFG_DATE_LO 0x5A
#define EC_BAT_MFG_DATE_HI 0x5B
#define EC_BAT_CHEMISTRY0 0x60
#define EC_BAT_CHEMISTRY1 0x61
#define EC_BAT_CHEMISTRY2 0x62
#define EC_BAT_CHEMISTRY3 0x63
#define EC_BAT_DEVICE_NAME0 0x64
#define EC_BAT_DEVICE_NAME1 0x65
#define EC_BAT_DEVICE_NAME2 0x66
#define EC_BAT_DEVICE_NAME3 0x67
#define EC_BAT_DEVICE_NAME4 0x68
#define EC_BAT_DEVICE_NAME5 0x69
#define EC_BAT_DEVICE_NAME6 0x6A
#define EC_POWER_FLAG 0x70
#define EC_PF_ADAPTER_IN (1 << 0)
#define EC_PF_ADAPTER_PIN (1 << 1)
#define EC_PF_BATT_IN (1 << 2)
#define EC_PF_BATT_DESTROY (1 << 3)
#define EC_PF_ACPI_MODE (1 << 4)
#define EC_PF_X86_BIOS (1 << 6)
#define EC_PF_COREBOOT 0
#define EC_PF_PASSIVE_THERM (1 << 7)
#define EC_CHARGER_STATUS 0x71
#define EC_CHS_BAT_DISCHARGING (1 << 0)
#define EC_CHS_BAT_CHARGING (1 << 1)
#define EC_CHS_BAT_CRITICAL (1 << 2)
#define EC_HW_GPI_STATUS 0x72
#define EC_GPI_LID_STAT_BIT 0
#define EC_GPI_RECOVERY_MODE_BIT 1
#define EC_GPI_LID_OPEN (1 << EC_GPI_LID_STAT_BIT)
#define EC_GPI_RECOVERY_STATUS (1 << EC_GPI_RECOVERY_MODE_BIT)
#define EC_GPIO_STATUS 0x73
#define EC_GPIO_TP_LED_ENABLE (1 << 0)
#define EC_GPIO_TP_LED_STATUS (1 << 1)
#define EC_CPU_TMP 0x78
#define EC_GPU_TMP 0x79
#define EC_LOCAL_TMP1 0x7A
#define EC_LOCAL_TMP2 0x7B
#define EC_FAN_TACH_LO 0x7C
#define EC_FAN_TACH_HI 0x7D
#define EC_FAN_DBG_RPM_LO 0x7E
#define EC_FAN_DBG_RPM_HI 0x7F
#define EC_KBID_REG 0x80
#define EC_KBD_EN 0
#define EC_KBD_JP (1 << 1)
#define EC_CURR_PS 0x81
#define EC_MAX_PS 0x82
#define EC_EC_PSW 0x83
#define EC_PSW_IKB (1 << 0)
#define EC_PSW_TP (1 << 1)
#define EC_PSW_LAN (1 << 3)
#define EC_PSW_RTC (1 << 4)
#define EC_PSW_USB (1 << 5)
#define EC_WAKE_EVEN_TID 0x84
#define EC_WID_IKB (1 << 0)
#define EC_WID_TP (1 << 1)
#define EC_WID_LID (1 << 2)
#define EC_WID_PWRSW (1 << 7)
#define EC_CODE_STATE 0x85
#define EC_COS_INITIAL_STAGE 0xBB
#define EC_COS_EC_RO 0xC0
#define EC_COS_EC_RW 0xC1
#define EC_FW_REASON_ID 0x86
#define EC_FWR_NOT_RO 0x00
#define EC_FWR_GPI_ASSERTED 0x01
#define EC_FWR_HOTKEY_PRESSED 0x02
#define EC_FWR_FIRMWARE_CORRUPT 0x03
#define EC_SHUTDOWN_REASON 0xB9
#define EC_FW_VER0 0xBA
#define EC_FW_VER1 0xBB
#define EC_FW_VER2 0xBC
#define EC_FW_VER3 0xBD
#define EC_FW_VER4 0xBE
#define EC_FW_VER5 0xBF
#define EC_SMBPTCL 0xC0
#define EC_SMBSTA 0xC1
#define EC_SMBADDR 0xC2
#define EC_SMBCMD 0xC3
#define EC_SMBDATA 0xC4
#define EC_SMBBCNT 0xE4
/*****************************************************************************
* SMI / SCI event status
*/
#define Q_EVENT_LID_STATUS 0x06
#define Q_EVENT_WIFI_BUTTON 0x06
#define Q_EVENT_THERM_EVENT 0x08
#define Q_EVENT_PSTATE_DOWN 0x0E
#define Q_EVENT_PSTATE_UP 0x0F
#define Q_EVENT_AC_PLUGGED 0x10
#define Q_EVENT_AC_UNPLUGGED 0x11
#define Q_EVENT_BATTERY_PLUGGED 0x12
#define Q_EVENT_BATTERY_UNPLUGGED 0x13
#define Q_EVENT_BATTERY_STATUS 0x14
/*****************************************************************************
* EC Commands
*/
#define EC_CMD_ENABLE_ACPI_MODE 0x71
#define EC_CMD_DISABLE_ACPI_MODE 0x72
#define EC_CMD_DISABLE_SMBUS_EVENT 0x73
#define EC_CMD_ENABLE_SMBUS_EVENT 0x74
#define EC_CMD_SYSTEM_RESET 0x78
#define EC_CMD_SYSTEM_SHUTDOWN 0x79
#define EC_CMD_RESET_FOR_FW_UPDATE 0x7D
#define EC_CMD_IDLE_FOR SPI_UPDATE 0x7E
#define EC_CMD_READ_RAM 0x80
#define EC_CMD_WRITE_RAM 0x81
#define EC_CMD_BURST_ENABLE 0x82
#define EC_CMD_BURST_DISABLE 0x83
#define EC_CMD_QUERY_EVENT 0x84
#endif /* _EC_QUANTA_ENE_KB3940Q_EC_H */