8aec32f6ab
The EC can support a variety of features and provides a way to find out what is available. Add support for this. Also update the feature list to the lastest available while we are here. This is at: https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/include/ec_commands.h Signed-off-by: Simon Glass <sjg@chromium.org>
4643 lines
133 KiB
C
4643 lines
133 KiB
C
/* Copyright (c) 2018 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Host communication command constants for Chrome EC */
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#ifndef __CROS_EC_COMMANDS_H
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#define __CROS_EC_COMMANDS_H
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/*
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* Protocol overview
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*
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* request: CMD [ P0 P1 P2 ... Pn S ]
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* response: ERR [ P0 P1 P2 ... Pn S ]
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*
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* where the bytes are defined as follow :
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* - CMD is the command code. (defined by EC_CMD_ constants)
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* - ERR is the error code. (defined by EC_RES_ constants)
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* - Px is the optional payload.
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* it is not sent if the error code is not success.
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* (defined by ec_params_ and ec_response_ structures)
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* - S is the checksum which is the sum of all payload bytes.
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*
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* On LPC, CMD and ERR are sent/received at EC_LPC_ADDR_KERNEL|USER_CMD
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* and the payloads are sent/received at EC_LPC_ADDR_KERNEL|USER_PARAM.
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* On I2C, all bytes are sent serially in the same message.
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*/
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/*
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* Current version of this protocol
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*
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* TODO(crosbug.com/p/11223): This is effectively useless; protocol is
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* determined in other ways. Remove this once the kernel code no longer
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* depends on it.
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*/
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#define EC_PROTO_VERSION 0x00000002
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/* Command version mask */
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#define EC_VER_MASK(version) (1UL << (version))
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/* I/O addresses for ACPI commands */
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#define EC_LPC_ADDR_ACPI_DATA 0x62
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#define EC_LPC_ADDR_ACPI_CMD 0x66
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/* I/O addresses for host command */
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#define EC_LPC_ADDR_HOST_DATA 0x200
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#define EC_LPC_ADDR_HOST_CMD 0x204
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/* I/O addresses for host command args and params */
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/* Protocol version 2 */
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#define EC_LPC_ADDR_HOST_ARGS 0x800 /* And 0x801, 0x802, 0x803 */
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#define EC_LPC_ADDR_HOST_PARAM 0x804 /* For version 2 params; size is
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* EC_PROTO2_MAX_PARAM_SIZE */
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/* Protocol version 3 */
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#define EC_LPC_ADDR_HOST_PACKET 0x800 /* Offset of version 3 packet */
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#define EC_LPC_HOST_PACKET_SIZE 0x100 /* Max size of version 3 packet */
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/* The actual block is 0x800-0x8ff, but some BIOSes think it's 0x880-0x8ff
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* and they tell the kernel that so we have to think of it as two parts. */
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#define EC_HOST_CMD_REGION0 0x800
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#define EC_HOST_CMD_REGION1 0x880
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#define EC_HOST_CMD_REGION_SIZE 0x80
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/* EC command register bit functions */
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#define EC_LPC_CMDR_DATA (1 << 0) /* Data ready for host to read */
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#define EC_LPC_CMDR_PENDING (1 << 1) /* Write pending to EC */
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#define EC_LPC_CMDR_BUSY (1 << 2) /* EC is busy processing a command */
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#define EC_LPC_CMDR_CMD (1 << 3) /* Last host write was a command */
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#define EC_LPC_CMDR_ACPI_BRST (1 << 4) /* Burst mode (not used) */
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#define EC_LPC_CMDR_SCI (1 << 5) /* SCI event is pending */
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#define EC_LPC_CMDR_SMI (1 << 6) /* SMI event is pending */
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/* MEC uses 0x800/0x804 as register/index pair, thus an 8-byte resource */
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#define MEC_EMI_BASE 0x800
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#define MEC_EMI_SIZE 8
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#define EC_LPC_ADDR_MEMMAP 0x900
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#define EC_MEMMAP_SIZE 255 /* ACPI IO buffer max is 255 bytes */
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#define EC_MEMMAP_TEXT_MAX 8 /* Size of a string in the memory map */
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/* The offset address of each type of data in mapped memory. */
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#define EC_MEMMAP_TEMP_SENSOR 0x00 /* Temp sensors 0x00 - 0x0f */
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#define EC_MEMMAP_FAN 0x10 /* Fan speeds 0x10 - 0x17 */
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#define EC_MEMMAP_TEMP_SENSOR_B 0x18 /* More temp sensors 0x18 - 0x1f */
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#define EC_MEMMAP_ID 0x20 /* 0x20 == 'E', 0x21 == 'C' */
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#define EC_MEMMAP_ID_VERSION 0x22 /* Version of data in 0x20 - 0x2f */
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#define EC_MEMMAP_THERMAL_VERSION 0x23 /* Version of data in 0x00 - 0x1f */
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#define EC_MEMMAP_BATTERY_VERSION 0x24 /* Version of data in 0x40 - 0x7f */
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#define EC_MEMMAP_SWITCHES_VERSION 0x25 /* Version of data in 0x30 - 0x33 */
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#define EC_MEMMAP_EVENTS_VERSION 0x26 /* Version of data in 0x34 - 0x3f */
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#define EC_MEMMAP_HOST_CMD_FLAGS 0x27 /* Host cmd interface flags (8 bits) */
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/* Unused 0x28 - 0x2f */
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#define EC_MEMMAP_SWITCHES 0x30 /* 8 bits */
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/* Unused 0x31 - 0x33 */
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#define EC_MEMMAP_HOST_EVENTS 0x34 /* 32 bits */
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/* Reserve 0x38 - 0x3f for additional host event-related stuff */
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/* Battery values are all 32 bits */
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#define EC_MEMMAP_BATT_VOLT 0x40 /* Battery Present Voltage */
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#define EC_MEMMAP_BATT_RATE 0x44 /* Battery Present Rate */
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#define EC_MEMMAP_BATT_CAP 0x48 /* Battery Remaining Capacity */
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#define EC_MEMMAP_BATT_FLAG 0x4c /* Battery State, defined below */
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#define EC_MEMMAP_BATT_DCAP 0x50 /* Battery Design Capacity */
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#define EC_MEMMAP_BATT_DVLT 0x54 /* Battery Design Voltage */
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#define EC_MEMMAP_BATT_LFCC 0x58 /* Battery Last Full Charge Capacity */
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#define EC_MEMMAP_BATT_CCNT 0x5c /* Battery Cycle Count */
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/* Strings are all 8 bytes (EC_MEMMAP_TEXT_MAX) */
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#define EC_MEMMAP_BATT_MFGR 0x60 /* Battery Manufacturer String */
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#define EC_MEMMAP_BATT_MODEL 0x68 /* Battery Model Number String */
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#define EC_MEMMAP_BATT_SERIAL 0x70 /* Battery Serial Number String */
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#define EC_MEMMAP_BATT_TYPE 0x78 /* Battery Type String */
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#define EC_MEMMAP_ALS 0x80 /* ALS readings in lux (2 X 16 bits) */
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/* Unused 0x84 - 0x8f */
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#define EC_MEMMAP_ACC_STATUS 0x90 /* Accelerometer status (8 bits )*/
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/* Unused 0x91 */
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#define EC_MEMMAP_ACC_DATA 0x92 /* Accelerometers data 0x92 - 0x9f */
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/* 0x92: Lid Angle if available, LID_ANGLE_UNRELIABLE otherwise */
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/* 0x94 - 0x99: 1st Accelerometer */
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/* 0x9a - 0x9f: 2nd Accelerometer */
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#define EC_MEMMAP_GYRO_DATA 0xa0 /* Gyroscope data 0xa0 - 0xa5 */
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/* Unused 0xa6 - 0xdf */
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/*
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* ACPI is unable to access memory mapped data at or above this offset due to
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* limitations of the ACPI protocol. Do not place data in the range 0xe0 - 0xfe
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* which might be needed by ACPI.
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*/
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#define EC_MEMMAP_NO_ACPI 0xe0
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/* Define the format of the accelerometer mapped memory status byte. */
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#define EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK 0x0f
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#define EC_MEMMAP_ACC_STATUS_BUSY_BIT (1 << 4)
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#define EC_MEMMAP_ACC_STATUS_PRESENCE_BIT (1 << 7)
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/* Number of temp sensors at EC_MEMMAP_TEMP_SENSOR */
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#define EC_TEMP_SENSOR_ENTRIES 16
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/*
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* Number of temp sensors at EC_MEMMAP_TEMP_SENSOR_B.
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*
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* Valid only if EC_MEMMAP_THERMAL_VERSION returns >= 2.
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*/
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#define EC_TEMP_SENSOR_B_ENTRIES 8
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/* Special values for mapped temperature sensors */
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#define EC_TEMP_SENSOR_NOT_PRESENT 0xff
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#define EC_TEMP_SENSOR_ERROR 0xfe
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#define EC_TEMP_SENSOR_NOT_POWERED 0xfd
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#define EC_TEMP_SENSOR_NOT_CALIBRATED 0xfc
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/*
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* The offset of temperature value stored in mapped memory. This allows
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* reporting a temperature range of 200K to 454K = -73C to 181C.
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*/
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#define EC_TEMP_SENSOR_OFFSET 200
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/*
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* Number of ALS readings at EC_MEMMAP_ALS
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*/
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#define EC_ALS_ENTRIES 2
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/*
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* The default value a temperature sensor will return when it is present but
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* has not been read this boot. This is a reasonable number to avoid
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* triggering alarms on the host.
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*/
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#define EC_TEMP_SENSOR_DEFAULT (296 - EC_TEMP_SENSOR_OFFSET)
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#define EC_FAN_SPEED_ENTRIES 4 /* Number of fans at EC_MEMMAP_FAN */
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#define EC_FAN_SPEED_NOT_PRESENT 0xffff /* Entry not present */
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#define EC_FAN_SPEED_STALLED 0xfffe /* Fan stalled */
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/* Battery bit flags at EC_MEMMAP_BATT_FLAG. */
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#define EC_BATT_FLAG_AC_PRESENT 0x01
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#define EC_BATT_FLAG_BATT_PRESENT 0x02
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#define EC_BATT_FLAG_DISCHARGING 0x04
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#define EC_BATT_FLAG_CHARGING 0x08
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#define EC_BATT_FLAG_LEVEL_CRITICAL 0x10
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/* Switch flags at EC_MEMMAP_SWITCHES */
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#define EC_SWITCH_LID_OPEN 0x01
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#define EC_SWITCH_POWER_BUTTON_PRESSED 0x02
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#define EC_SWITCH_WRITE_PROTECT_DISABLED 0x04
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/* Was recovery requested via keyboard; now unused. */
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#define EC_SWITCH_IGNORE1 0x08
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/* Recovery requested via dedicated signal (from servo board) */
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#define EC_SWITCH_DEDICATED_RECOVERY 0x10
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/* Was fake developer mode switch; now unused. Remove in next refactor. */
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#define EC_SWITCH_IGNORE0 0x20
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/* Host command interface flags */
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/* Host command interface supports LPC args (LPC interface only) */
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#define EC_HOST_CMD_FLAG_LPC_ARGS_SUPPORTED 0x01
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/* Host command interface supports version 3 protocol */
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#define EC_HOST_CMD_FLAG_VERSION_3 0x02
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/* Wireless switch flags */
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#define EC_WIRELESS_SWITCH_ALL ~0x00 /* All flags */
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#define EC_WIRELESS_SWITCH_WLAN 0x01 /* WLAN radio */
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#define EC_WIRELESS_SWITCH_BLUETOOTH 0x02 /* Bluetooth radio */
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#define EC_WIRELESS_SWITCH_WWAN 0x04 /* WWAN power */
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#define EC_WIRELESS_SWITCH_WLAN_POWER 0x08 /* WLAN power */
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/*****************************************************************************/
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/*
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* ACPI commands
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*
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* These are valid ONLY on the ACPI command/data port.
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*/
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/*
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* ACPI Read Embedded Controller
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*
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* This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
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*
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* Use the following sequence:
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*
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* - Write EC_CMD_ACPI_READ to EC_LPC_ADDR_ACPI_CMD
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* - Wait for EC_LPC_CMDR_PENDING bit to clear
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* - Write address to EC_LPC_ADDR_ACPI_DATA
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* - Wait for EC_LPC_CMDR_DATA bit to set
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* - Read value from EC_LPC_ADDR_ACPI_DATA
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*/
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#define EC_CMD_ACPI_READ 0x0080
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/*
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* ACPI Write Embedded Controller
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*
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* This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
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*
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* Use the following sequence:
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*
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* - Write EC_CMD_ACPI_WRITE to EC_LPC_ADDR_ACPI_CMD
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* - Wait for EC_LPC_CMDR_PENDING bit to clear
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* - Write address to EC_LPC_ADDR_ACPI_DATA
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* - Wait for EC_LPC_CMDR_PENDING bit to clear
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* - Write value to EC_LPC_ADDR_ACPI_DATA
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*/
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#define EC_CMD_ACPI_WRITE 0x0081
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/*
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* ACPI Burst Enable Embedded Controller
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*
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* This enables burst mode on the EC to allow the host to issue several
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* commands back-to-back. While in this mode, writes to mapped multi-byte
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* data are locked out to ensure data consistency.
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*/
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#define EC_CMD_ACPI_BURST_ENABLE 0x0082
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/*
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* ACPI Burst Disable Embedded Controller
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*
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* This disables burst mode on the EC and stops preventing EC writes to mapped
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* multi-byte data.
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*/
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#define EC_CMD_ACPI_BURST_DISABLE 0x0083
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/*
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* ACPI Query Embedded Controller
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*
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* This clears the lowest-order bit in the currently pending host events, and
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* sets the result code to the 1-based index of the bit (event 0x00000001 = 1,
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* event 0x80000000 = 32), or 0 if no event was pending.
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*/
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#define EC_CMD_ACPI_QUERY_EVENT 0x0084
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/* Valid addresses in ACPI memory space, for read/write commands */
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/* Memory space version; set to EC_ACPI_MEM_VERSION_CURRENT */
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#define EC_ACPI_MEM_VERSION 0x00
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/*
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* Test location; writing value here updates test compliment byte to (0xff -
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* value).
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*/
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#define EC_ACPI_MEM_TEST 0x01
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/* Test compliment; writes here are ignored. */
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#define EC_ACPI_MEM_TEST_COMPLIMENT 0x02
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/* Keyboard backlight brightness percent (0 - 100) */
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#define EC_ACPI_MEM_KEYBOARD_BACKLIGHT 0x03
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/* DPTF Target Fan Duty (0-100, 0xff for auto/none) */
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#define EC_ACPI_MEM_FAN_DUTY 0x04
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/*
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* DPTF temp thresholds. Any of the EC's temp sensors can have up to two
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* independent thresholds attached to them. The current value of the ID
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* register determines which sensor is affected by the THRESHOLD and COMMIT
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* registers. The THRESHOLD register uses the same EC_TEMP_SENSOR_OFFSET scheme
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* as the memory-mapped sensors. The COMMIT register applies those settings.
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*
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* The spec does not mandate any way to read back the threshold settings
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* themselves, but when a threshold is crossed the AP needs a way to determine
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* which sensor(s) are responsible. Each reading of the ID register clears and
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* returns one sensor ID that has crossed one of its threshold (in either
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* direction) since the last read. A value of 0xFF means "no new thresholds
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* have tripped". Setting or enabling the thresholds for a sensor will clear
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* the unread event count for that sensor.
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*/
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#define EC_ACPI_MEM_TEMP_ID 0x05
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#define EC_ACPI_MEM_TEMP_THRESHOLD 0x06
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#define EC_ACPI_MEM_TEMP_COMMIT 0x07
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/*
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* Here are the bits for the COMMIT register:
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* bit 0 selects the threshold index for the chosen sensor (0/1)
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* bit 1 enables/disables the selected threshold (0 = off, 1 = on)
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* Each write to the commit register affects one threshold.
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*/
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#define EC_ACPI_MEM_TEMP_COMMIT_SELECT_MASK (1 << 0)
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#define EC_ACPI_MEM_TEMP_COMMIT_ENABLE_MASK (1 << 1)
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/*
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* Example:
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*
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* Set the thresholds for sensor 2 to 50 C and 60 C:
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* write 2 to [0x05] -- select temp sensor 2
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* write 0x7b to [0x06] -- C_TO_K(50) - EC_TEMP_SENSOR_OFFSET
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* write 0x2 to [0x07] -- enable threshold 0 with this value
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* write 0x85 to [0x06] -- C_TO_K(60) - EC_TEMP_SENSOR_OFFSET
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* write 0x3 to [0x07] -- enable threshold 1 with this value
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*
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* Disable the 60 C threshold, leaving the 50 C threshold unchanged:
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* write 2 to [0x05] -- select temp sensor 2
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* write 0x1 to [0x07] -- disable threshold 1
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*/
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/* DPTF battery charging current limit */
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#define EC_ACPI_MEM_CHARGING_LIMIT 0x08
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/* Charging limit is specified in 64 mA steps */
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#define EC_ACPI_MEM_CHARGING_LIMIT_STEP_MA 64
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/* Value to disable DPTF battery charging limit */
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#define EC_ACPI_MEM_CHARGING_LIMIT_DISABLED 0xff
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/*
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* Report device orientation
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* bit 0 device is tablet mode
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*/
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#define EC_ACPI_MEM_DEVICE_ORIENTATION 0x09
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#define EC_ACPI_MEM_DEVICE_TABLET_MODE 0x01
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/*
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* ACPI addresses 0x20 - 0xff map to EC_MEMMAP offset 0x00 - 0xdf. This data
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* is read-only from the AP. Added in EC_ACPI_MEM_VERSION 2.
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*/
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#define EC_ACPI_MEM_MAPPED_BEGIN 0x20
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#define EC_ACPI_MEM_MAPPED_SIZE 0xe0
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/* Current version of ACPI memory address space */
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#define EC_ACPI_MEM_VERSION_CURRENT 2
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/*
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* This header file is used in coreboot both in C and ACPI code. The ACPI code
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* is pre-processed to handle constants but the ASL compiler is unable to
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* handle actual C code so keep it separate.
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*/
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#ifndef __ACPI__
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/*
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* Define __packed if someone hasn't beat us to it. Linux kernel style
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* checking prefers __packed over __attribute__((packed)).
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*/
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#ifndef __packed
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#define __packed __attribute__((packed))
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#endif
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#ifndef __aligned
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#define __aligned(x) __attribute__((aligned(x)))
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#endif
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/*
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* Attributes for EC request and response packets. Just defining __packed
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* results in inefficient assembly code on ARM, if the structure is actually
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* 32-bit aligned, as it should be for all buffers.
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*
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* Be very careful when adding these to existing structures. They will round
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* up the structure size to the specified boundary.
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*
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* Also be very careful to make that if a structure is included in some other
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* parent structure that the alignment will still be true given the packing of
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* the parent structure. This is particularly important if the sub-structure
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* will be passed as a pointer to another function, since that function will
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* not know about the misaligment caused by the parent structure's packing.
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*
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* Also be very careful using __packed - particularly when nesting non-packed
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* structures inside packed ones. In fact, DO NOT use __packed directly;
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* always use one of these attributes.
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*
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* Once everything is annotated properly, the following search strings should
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* not return ANY matches in this file other than right here:
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*
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* "__packed" - generates inefficient code; all sub-structs must also be packed
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*
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* "struct [^_]" - all structs should be annotated, except for structs that are
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* members of other structs/unions (and their original declarations should be
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* annotated).
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*/
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#ifdef CONFIG_HOSTCMD_ALIGNED
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/*
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* Packed structures where offset and size are always aligned to 1, 2, or 4
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* byte boundary.
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*/
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#define __ec_align1 __packed
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#define __ec_align2 __packed __aligned(2)
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#define __ec_align4 __packed __aligned(4)
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/*
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* Packed structure which must be under-aligned, because its size is not a
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* 4-byte multiple. This is sub-optimal because it forces byte-wise access
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* of all multi-byte fields in it, even though they are themselves aligned.
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*
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* In theory, we could duplicate the structure with __aligned(4) for accessing
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* its members, but use the __packed version for sizeof().
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*/
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#define __ec_align_size1 __packed
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/*
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* Packed structure which must be under-aligned, because its offset inside a
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* parent structure is not a 4-byte multiple.
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*/
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#define __ec_align_offset1 __packed
|
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#define __ec_align_offset2 __packed __aligned(2)
|
|
|
|
/*
|
|
* Structures which are complicated enough that I'm skipping them on the first
|
|
* pass. They are effectively unchanged from their previous definitions.
|
|
*
|
|
* TODO(rspangler): Figure out what to do with these. It's likely necessary
|
|
* to work out the size and offset of each member and add explicit padding to
|
|
* maintain those.
|
|
*/
|
|
#define __ec_todo_packed __packed
|
|
#define __ec_todo_unpacked
|
|
|
|
#else /* !CONFIG_HOSTCMD_ALIGNED */
|
|
|
|
/*
|
|
* Packed structures make no assumption about alignment, so they do inefficient
|
|
* byte-wise reads.
|
|
*/
|
|
#define __ec_align1 __packed
|
|
#define __ec_align2 __packed
|
|
#define __ec_align4 __packed
|
|
#define __ec_align_size1 __packed
|
|
#define __ec_align_offset1 __packed
|
|
#define __ec_align_offset2 __packed
|
|
#define __ec_todo_packed __packed
|
|
#define __ec_todo_unpacked
|
|
|
|
#endif /* !CONFIG_HOSTCMD_ALIGNED */
|
|
|
|
/* LPC command status byte masks */
|
|
/* EC has written a byte in the data register and host hasn't read it yet */
|
|
#define EC_LPC_STATUS_TO_HOST 0x01
|
|
/* Host has written a command/data byte and the EC hasn't read it yet */
|
|
#define EC_LPC_STATUS_FROM_HOST 0x02
|
|
/* EC is processing a command */
|
|
#define EC_LPC_STATUS_PROCESSING 0x04
|
|
/* Last write to EC was a command, not data */
|
|
#define EC_LPC_STATUS_LAST_CMD 0x08
|
|
/* EC is in burst mode */
|
|
#define EC_LPC_STATUS_BURST_MODE 0x10
|
|
/* SCI event is pending (requesting SCI query) */
|
|
#define EC_LPC_STATUS_SCI_PENDING 0x20
|
|
/* SMI event is pending (requesting SMI query) */
|
|
#define EC_LPC_STATUS_SMI_PENDING 0x40
|
|
/* (reserved) */
|
|
#define EC_LPC_STATUS_RESERVED 0x80
|
|
|
|
/*
|
|
* EC is busy. This covers both the EC processing a command, and the host has
|
|
* written a new command but the EC hasn't picked it up yet.
|
|
*/
|
|
#define EC_LPC_STATUS_BUSY_MASK \
|
|
(EC_LPC_STATUS_FROM_HOST | EC_LPC_STATUS_PROCESSING)
|
|
|
|
/* Host command response codes (16-bit). Note that response codes should be
|
|
* stored in a uint16_t rather than directly in a value of this type.
|
|
*/
|
|
enum ec_status {
|
|
EC_RES_SUCCESS = 0,
|
|
EC_RES_INVALID_COMMAND = 1,
|
|
EC_RES_ERROR = 2,
|
|
EC_RES_INVALID_PARAM = 3,
|
|
EC_RES_ACCESS_DENIED = 4,
|
|
EC_RES_INVALID_RESPONSE = 5,
|
|
EC_RES_INVALID_VERSION = 6,
|
|
EC_RES_INVALID_CHECKSUM = 7,
|
|
EC_RES_IN_PROGRESS = 8, /* Accepted, command in progress */
|
|
EC_RES_UNAVAILABLE = 9, /* No response available */
|
|
EC_RES_TIMEOUT = 10, /* We got a timeout */
|
|
EC_RES_OVERFLOW = 11, /* Table / data overflow */
|
|
EC_RES_INVALID_HEADER = 12, /* Header contains invalid data */
|
|
EC_RES_REQUEST_TRUNCATED = 13, /* Didn't get the entire request */
|
|
EC_RES_RESPONSE_TOO_BIG = 14, /* Response was too big to handle */
|
|
EC_RES_BUS_ERROR = 15, /* Communications bus error */
|
|
EC_RES_BUSY = 16 /* Up but too busy. Should retry */
|
|
};
|
|
|
|
/*
|
|
* Host event codes. Note these are 1-based, not 0-based, because ACPI query
|
|
* EC command uses code 0 to mean "no event pending". We explicitly specify
|
|
* each value in the enum listing so they won't change if we delete/insert an
|
|
* item or rearrange the list (it needs to be stable across platforms, not
|
|
* just within a single compiled instance).
|
|
*/
|
|
enum host_event_code {
|
|
EC_HOST_EVENT_LID_CLOSED = 1,
|
|
EC_HOST_EVENT_LID_OPEN = 2,
|
|
EC_HOST_EVENT_POWER_BUTTON = 3,
|
|
EC_HOST_EVENT_AC_CONNECTED = 4,
|
|
EC_HOST_EVENT_AC_DISCONNECTED = 5,
|
|
EC_HOST_EVENT_BATTERY_LOW = 6,
|
|
EC_HOST_EVENT_BATTERY_CRITICAL = 7,
|
|
EC_HOST_EVENT_BATTERY = 8,
|
|
EC_HOST_EVENT_THERMAL_THRESHOLD = 9,
|
|
/* Event generated by a device attached to the EC */
|
|
EC_HOST_EVENT_DEVICE = 10,
|
|
EC_HOST_EVENT_THERMAL = 11,
|
|
EC_HOST_EVENT_USB_CHARGER = 12,
|
|
EC_HOST_EVENT_KEY_PRESSED = 13,
|
|
/*
|
|
* EC has finished initializing the host interface. The host can check
|
|
* for this event following sending a EC_CMD_REBOOT_EC command to
|
|
* determine when the EC is ready to accept subsequent commands.
|
|
*/
|
|
EC_HOST_EVENT_INTERFACE_READY = 14,
|
|
/* Keyboard recovery combo has been pressed */
|
|
EC_HOST_EVENT_KEYBOARD_RECOVERY = 15,
|
|
|
|
/* Shutdown due to thermal overload */
|
|
EC_HOST_EVENT_THERMAL_SHUTDOWN = 16,
|
|
/* Shutdown due to battery level too low */
|
|
EC_HOST_EVENT_BATTERY_SHUTDOWN = 17,
|
|
|
|
/* Suggest that the AP throttle itself */
|
|
EC_HOST_EVENT_THROTTLE_START = 18,
|
|
/* Suggest that the AP resume normal speed */
|
|
EC_HOST_EVENT_THROTTLE_STOP = 19,
|
|
|
|
/* Hang detect logic detected a hang and host event timeout expired */
|
|
EC_HOST_EVENT_HANG_DETECT = 20,
|
|
/* Hang detect logic detected a hang and warm rebooted the AP */
|
|
EC_HOST_EVENT_HANG_REBOOT = 21,
|
|
|
|
/* PD MCU triggering host event */
|
|
EC_HOST_EVENT_PD_MCU = 22,
|
|
|
|
/* Battery Status flags have changed */
|
|
EC_HOST_EVENT_BATTERY_STATUS = 23,
|
|
|
|
/* EC encountered a panic, triggering a reset */
|
|
EC_HOST_EVENT_PANIC = 24,
|
|
|
|
/* Keyboard fastboot combo has been pressed */
|
|
EC_HOST_EVENT_KEYBOARD_FASTBOOT = 25,
|
|
|
|
/* EC RTC event occurred */
|
|
EC_HOST_EVENT_RTC = 26,
|
|
|
|
/* Emulate MKBP event */
|
|
EC_HOST_EVENT_MKBP = 27,
|
|
|
|
/* EC desires to change state of host-controlled USB mux */
|
|
EC_HOST_EVENT_USB_MUX = 28,
|
|
|
|
/* TABLET/LAPTOP mode event*/
|
|
EC_HOST_EVENT_MODE_CHANGE = 29,
|
|
|
|
/* Keyboard recovery combo with hardware reinitialization */
|
|
EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT = 30,
|
|
|
|
/*
|
|
* Reserve this last bit to indicate that at least one bit in a
|
|
* secondary host event word is set. See crbug.com/633646.
|
|
*/
|
|
EC_HOST_EVENT_EXTENDED = 31,
|
|
|
|
/*
|
|
* The high bit of the event mask is not used as a host event code. If
|
|
* it reads back as set, then the entire event mask should be
|
|
* considered invalid by the host. This can happen when reading the
|
|
* raw event status via EC_MEMMAP_HOST_EVENTS but the LPC interface is
|
|
* not initialized on the EC, or improperly configured on the host.
|
|
*/
|
|
EC_HOST_EVENT_INVALID = 32
|
|
};
|
|
/* Host event mask */
|
|
#define EC_HOST_EVENT_MASK(event_code) (1ULL << ((event_code) - 1))
|
|
|
|
/* Arguments at EC_LPC_ADDR_HOST_ARGS */
|
|
struct __ec_align4 ec_lpc_host_args {
|
|
uint8_t flags;
|
|
uint8_t command_version;
|
|
uint8_t data_size;
|
|
/*
|
|
* Checksum; sum of command + flags + command_version + data_size +
|
|
* all params/response data bytes.
|
|
*/
|
|
uint8_t checksum;
|
|
};
|
|
|
|
/* Flags for ec_lpc_host_args.flags */
|
|
/*
|
|
* Args are from host. Data area at EC_LPC_ADDR_HOST_PARAM contains command
|
|
* params.
|
|
*
|
|
* If EC gets a command and this flag is not set, this is an old-style command.
|
|
* Command version is 0 and params from host are at EC_LPC_ADDR_OLD_PARAM with
|
|
* unknown length. EC must respond with an old-style response (that is,
|
|
* without setting EC_HOST_ARGS_FLAG_TO_HOST).
|
|
*/
|
|
#define EC_HOST_ARGS_FLAG_FROM_HOST 0x01
|
|
/*
|
|
* Args are from EC. Data area at EC_LPC_ADDR_HOST_PARAM contains response.
|
|
*
|
|
* If EC responds to a command and this flag is not set, this is an old-style
|
|
* response. Command version is 0 and response data from EC is at
|
|
* EC_LPC_ADDR_OLD_PARAM with unknown length.
|
|
*/
|
|
#define EC_HOST_ARGS_FLAG_TO_HOST 0x02
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Byte codes returned by EC over SPI interface.
|
|
*
|
|
* These can be used by the AP to debug the EC interface, and to determine
|
|
* when the EC is not in a state where it will ever get around to responding
|
|
* to the AP.
|
|
*
|
|
* Example of sequence of bytes read from EC for a current good transfer:
|
|
* 1. - - AP asserts chip select (CS#)
|
|
* 2. EC_SPI_OLD_READY - AP sends first byte(s) of request
|
|
* 3. - - EC starts handling CS# interrupt
|
|
* 4. EC_SPI_RECEIVING - AP sends remaining byte(s) of request
|
|
* 5. EC_SPI_PROCESSING - EC starts processing request; AP is clocking in
|
|
* bytes looking for EC_SPI_FRAME_START
|
|
* 6. - - EC finishes processing and sets up response
|
|
* 7. EC_SPI_FRAME_START - AP reads frame byte
|
|
* 8. (response packet) - AP reads response packet
|
|
* 9. EC_SPI_PAST_END - Any additional bytes read by AP
|
|
* 10 - - AP deasserts chip select
|
|
* 11 - - EC processes CS# interrupt and sets up DMA for
|
|
* next request
|
|
*
|
|
* If the AP is waiting for EC_SPI_FRAME_START and sees any value other than
|
|
* the following byte values:
|
|
* EC_SPI_OLD_READY
|
|
* EC_SPI_RX_READY
|
|
* EC_SPI_RECEIVING
|
|
* EC_SPI_PROCESSING
|
|
*
|
|
* Then the EC found an error in the request, or was not ready for the request
|
|
* and lost data. The AP should give up waiting for EC_SPI_FRAME_START,
|
|
* because the EC is unable to tell when the AP is done sending its request.
|
|
*/
|
|
|
|
/*
|
|
* Framing byte which precedes a response packet from the EC. After sending a
|
|
* request, the AP will clock in bytes until it sees the framing byte, then
|
|
* clock in the response packet.
|
|
*/
|
|
#define EC_SPI_FRAME_START 0xec
|
|
|
|
/*
|
|
* Padding bytes which are clocked out after the end of a response packet.
|
|
*/
|
|
#define EC_SPI_PAST_END 0xed
|
|
|
|
/*
|
|
* EC is ready to receive, and has ignored the byte sent by the AP. EC expects
|
|
* that the AP will send a valid packet header (starting with
|
|
* EC_COMMAND_PROTOCOL_3) in the next 32 bytes.
|
|
*/
|
|
#define EC_SPI_RX_READY 0xf8
|
|
|
|
/*
|
|
* EC has started receiving the request from the AP, but hasn't started
|
|
* processing it yet.
|
|
*/
|
|
#define EC_SPI_RECEIVING 0xf9
|
|
|
|
/* EC has received the entire request from the AP and is processing it. */
|
|
#define EC_SPI_PROCESSING 0xfa
|
|
|
|
/*
|
|
* EC received bad data from the AP, such as a packet header with an invalid
|
|
* length. EC will ignore all data until chip select deasserts.
|
|
*/
|
|
#define EC_SPI_RX_BAD_DATA 0xfb
|
|
|
|
/*
|
|
* EC received data from the AP before it was ready. That is, the AP asserted
|
|
* chip select and started clocking data before the EC was ready to receive it.
|
|
* EC will ignore all data until chip select deasserts.
|
|
*/
|
|
#define EC_SPI_NOT_READY 0xfc
|
|
|
|
/*
|
|
* EC was ready to receive a request from the AP. EC has treated the byte sent
|
|
* by the AP as part of a request packet, or (for old-style ECs) is processing
|
|
* a fully received packet but is not ready to respond yet.
|
|
*/
|
|
#define EC_SPI_OLD_READY 0xfd
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Protocol version 2 for I2C and SPI send a request this way:
|
|
*
|
|
* 0 EC_CMD_VERSION0 + (command version)
|
|
* 1 Command number
|
|
* 2 Length of params = N
|
|
* 3..N+2 Params, if any
|
|
* N+3 8-bit checksum of bytes 0..N+2
|
|
*
|
|
* The corresponding response is:
|
|
*
|
|
* 0 Result code (EC_RES_*)
|
|
* 1 Length of params = M
|
|
* 2..M+1 Params, if any
|
|
* M+2 8-bit checksum of bytes 0..M+1
|
|
*/
|
|
#define EC_PROTO2_REQUEST_HEADER_BYTES 3
|
|
#define EC_PROTO2_REQUEST_TRAILER_BYTES 1
|
|
#define EC_PROTO2_REQUEST_OVERHEAD (EC_PROTO2_REQUEST_HEADER_BYTES + \
|
|
EC_PROTO2_REQUEST_TRAILER_BYTES)
|
|
|
|
#define EC_PROTO2_RESPONSE_HEADER_BYTES 2
|
|
#define EC_PROTO2_RESPONSE_TRAILER_BYTES 1
|
|
#define EC_PROTO2_RESPONSE_OVERHEAD (EC_PROTO2_RESPONSE_HEADER_BYTES + \
|
|
EC_PROTO2_RESPONSE_TRAILER_BYTES)
|
|
|
|
/* Parameter length was limited by the LPC interface */
|
|
#define EC_PROTO2_MAX_PARAM_SIZE 0xfc
|
|
|
|
/* Maximum request and response packet sizes for protocol version 2 */
|
|
#define EC_PROTO2_MAX_REQUEST_SIZE (EC_PROTO2_REQUEST_OVERHEAD + \
|
|
EC_PROTO2_MAX_PARAM_SIZE)
|
|
#define EC_PROTO2_MAX_RESPONSE_SIZE (EC_PROTO2_RESPONSE_OVERHEAD + \
|
|
EC_PROTO2_MAX_PARAM_SIZE)
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Value written to legacy command port / prefix byte to indicate protocol
|
|
* 3+ structs are being used. Usage is bus-dependent.
|
|
*/
|
|
#define EC_COMMAND_PROTOCOL_3 0xda
|
|
|
|
#define EC_HOST_REQUEST_VERSION 3
|
|
|
|
/* Version 3 request from host */
|
|
struct __ec_align4 ec_host_request {
|
|
/* Structure version (=3)
|
|
*
|
|
* EC will return EC_RES_INVALID_HEADER if it receives a header with a
|
|
* version it doesn't know how to parse.
|
|
*/
|
|
uint8_t struct_version;
|
|
|
|
/*
|
|
* Checksum of request and data; sum of all bytes including checksum
|
|
* should total to 0.
|
|
*/
|
|
uint8_t checksum;
|
|
|
|
/* Command code */
|
|
uint16_t command;
|
|
|
|
/* Command version */
|
|
uint8_t command_version;
|
|
|
|
/* Unused byte in current protocol version; set to 0 */
|
|
uint8_t reserved;
|
|
|
|
/* Length of data which follows this header */
|
|
uint16_t data_len;
|
|
};
|
|
|
|
#define EC_HOST_RESPONSE_VERSION 3
|
|
|
|
/* Version 3 response from EC */
|
|
struct __ec_align4 ec_host_response {
|
|
/* Structure version (=3) */
|
|
uint8_t struct_version;
|
|
|
|
/*
|
|
* Checksum of response and data; sum of all bytes including checksum
|
|
* should total to 0.
|
|
*/
|
|
uint8_t checksum;
|
|
|
|
/* Result code (EC_RES_*) */
|
|
uint16_t result;
|
|
|
|
/* Length of data which follows this header */
|
|
uint16_t data_len;
|
|
|
|
/* Unused bytes in current protocol version; set to 0 */
|
|
uint16_t reserved;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Notes on commands:
|
|
*
|
|
* Each command is an 16-bit command value. Commands which take params or
|
|
* return response data specify structures for that data. If no structure is
|
|
* specified, the command does not input or output data, respectively.
|
|
* Parameter/response length is implicit in the structs. Some underlying
|
|
* communication protocols (I2C, SPI) may add length or checksum headers, but
|
|
* those are implementation-dependent and not defined here.
|
|
*
|
|
* All commands MUST be #defined to be 4-digit UPPER CASE hex values
|
|
* (e.g., 0x00AB, not 0xab) for CONFIG_HOSTCMD_SECTION_SORTED to work.
|
|
*/
|
|
|
|
/*****************************************************************************/
|
|
/* General / test commands */
|
|
|
|
/*
|
|
* Get protocol version, used to deal with non-backward compatible protocol
|
|
* changes.
|
|
*/
|
|
#define EC_CMD_PROTO_VERSION 0x0000
|
|
|
|
struct __ec_align4 ec_response_proto_version {
|
|
uint32_t version;
|
|
};
|
|
|
|
/*
|
|
* Hello. This is a simple command to test the EC is responsive to
|
|
* commands.
|
|
*/
|
|
#define EC_CMD_HELLO 0x0001
|
|
|
|
struct __ec_align4 ec_params_hello {
|
|
uint32_t in_data; /* Pass anything here */
|
|
};
|
|
|
|
struct __ec_align4 ec_response_hello {
|
|
uint32_t out_data; /* Output will be in_data + 0x01020304 */
|
|
};
|
|
|
|
/* Get version number */
|
|
#define EC_CMD_GET_VERSION 0x0002
|
|
|
|
enum ec_current_image {
|
|
EC_IMAGE_UNKNOWN = 0,
|
|
EC_IMAGE_RO,
|
|
EC_IMAGE_RW
|
|
};
|
|
|
|
struct __ec_align4 ec_response_get_version {
|
|
/* Null-terminated version strings for RO, RW */
|
|
char version_string_ro[32];
|
|
char version_string_rw[32];
|
|
char reserved[32]; /* Was previously RW-B string */
|
|
uint32_t current_image; /* One of ec_current_image */
|
|
};
|
|
|
|
/* Read test */
|
|
#define EC_CMD_READ_TEST 0x0003
|
|
|
|
struct __ec_align4 ec_params_read_test {
|
|
uint32_t offset; /* Starting value for read buffer */
|
|
uint32_t size; /* Size to read in bytes */
|
|
};
|
|
|
|
struct __ec_align4 ec_response_read_test {
|
|
uint32_t data[32];
|
|
};
|
|
|
|
/*
|
|
* Get build information
|
|
*
|
|
* Response is null-terminated string.
|
|
*/
|
|
#define EC_CMD_GET_BUILD_INFO 0x0004
|
|
|
|
/* Get chip info */
|
|
#define EC_CMD_GET_CHIP_INFO 0x0005
|
|
|
|
struct __ec_align4 ec_response_get_chip_info {
|
|
/* Null-terminated strings */
|
|
char vendor[32];
|
|
char name[32];
|
|
char revision[32]; /* Mask version */
|
|
};
|
|
|
|
/* Get board HW version */
|
|
#define EC_CMD_GET_BOARD_VERSION 0x0006
|
|
|
|
struct __ec_align2 ec_response_board_version {
|
|
uint16_t board_version; /* A monotonously incrementing number. */
|
|
};
|
|
|
|
/*
|
|
* Read memory-mapped data.
|
|
*
|
|
* This is an alternate interface to memory-mapped data for bus protocols
|
|
* which don't support direct-mapped memory - I2C, SPI, etc.
|
|
*
|
|
* Response is params.size bytes of data.
|
|
*/
|
|
#define EC_CMD_READ_MEMMAP 0x0007
|
|
|
|
struct __ec_align1 ec_params_read_memmap {
|
|
uint8_t offset; /* Offset in memmap (EC_MEMMAP_*) */
|
|
uint8_t size; /* Size to read in bytes */
|
|
};
|
|
|
|
/* Read versions supported for a command */
|
|
#define EC_CMD_GET_CMD_VERSIONS 0x0008
|
|
|
|
struct __ec_align1 ec_params_get_cmd_versions {
|
|
uint8_t cmd; /* Command to check */
|
|
};
|
|
|
|
struct __ec_align2 ec_params_get_cmd_versions_v1 {
|
|
uint16_t cmd; /* Command to check */
|
|
};
|
|
|
|
struct __ec_align4 ec_response_get_cmd_versions {
|
|
/*
|
|
* Mask of supported versions; use EC_VER_MASK() to compare with a
|
|
* desired version.
|
|
*/
|
|
uint32_t version_mask;
|
|
};
|
|
|
|
/*
|
|
* Check EC communications status (busy). This is needed on i2c/spi but not
|
|
* on lpc since it has its own out-of-band busy indicator.
|
|
*
|
|
* lpc must read the status from the command register. Attempting this on
|
|
* lpc will overwrite the args/parameter space and corrupt its data.
|
|
*/
|
|
#define EC_CMD_GET_COMMS_STATUS 0x0009
|
|
|
|
/* Avoid using ec_status which is for return values */
|
|
enum ec_comms_status {
|
|
EC_COMMS_STATUS_PROCESSING = 1 << 0, /* Processing cmd */
|
|
};
|
|
|
|
struct __ec_align4 ec_response_get_comms_status {
|
|
uint32_t flags; /* Mask of enum ec_comms_status */
|
|
};
|
|
|
|
/* Fake a variety of responses, purely for testing purposes. */
|
|
#define EC_CMD_TEST_PROTOCOL 0x000A
|
|
|
|
/* Tell the EC what to send back to us. */
|
|
struct __ec_align4 ec_params_test_protocol {
|
|
uint32_t ec_result;
|
|
uint32_t ret_len;
|
|
uint8_t buf[32];
|
|
};
|
|
|
|
/* Here it comes... */
|
|
struct __ec_align4 ec_response_test_protocol {
|
|
uint8_t buf[32];
|
|
};
|
|
|
|
/* Get protocol information */
|
|
#define EC_CMD_GET_PROTOCOL_INFO 0x000B
|
|
|
|
/* Flags for ec_response_get_protocol_info.flags */
|
|
/* EC_RES_IN_PROGRESS may be returned if a command is slow */
|
|
#define EC_PROTOCOL_INFO_IN_PROGRESS_SUPPORTED (1 << 0)
|
|
|
|
struct __ec_align4 ec_response_get_protocol_info {
|
|
/* Fields which exist if at least protocol version 3 supported */
|
|
|
|
/* Bitmask of protocol versions supported (1 << n means version n)*/
|
|
uint32_t protocol_versions;
|
|
|
|
/* Maximum request packet size, in bytes */
|
|
uint16_t max_request_packet_size;
|
|
|
|
/* Maximum response packet size, in bytes */
|
|
uint16_t max_response_packet_size;
|
|
|
|
/* Flags; see EC_PROTOCOL_INFO_* */
|
|
uint32_t flags;
|
|
};
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* Get/Set miscellaneous values */
|
|
|
|
/* The upper byte of .flags tells what to do (nothing means "get") */
|
|
#define EC_GSV_SET 0x80000000
|
|
|
|
/* The lower three bytes of .flags identifies the parameter, if that has
|
|
meaning for an individual command. */
|
|
#define EC_GSV_PARAM_MASK 0x00ffffff
|
|
|
|
struct __ec_align4 ec_params_get_set_value {
|
|
uint32_t flags;
|
|
uint32_t value;
|
|
};
|
|
|
|
struct __ec_align4 ec_response_get_set_value {
|
|
uint32_t flags;
|
|
uint32_t value;
|
|
};
|
|
|
|
/* More than one command can use these structs to get/set parameters. */
|
|
#define EC_CMD_GSV_PAUSE_IN_S5 0x000C
|
|
|
|
/*****************************************************************************/
|
|
/* List the features supported by the firmware */
|
|
#define EC_CMD_GET_FEATURES 0x000D
|
|
|
|
/* Supported features */
|
|
enum ec_feature_code {
|
|
/*
|
|
* This image contains a limited set of features. Another image
|
|
* in RW partition may support more features.
|
|
*/
|
|
EC_FEATURE_LIMITED = 0,
|
|
/*
|
|
* Commands for probing/reading/writing/erasing the flash in the
|
|
* EC are present.
|
|
*/
|
|
EC_FEATURE_FLASH = 1,
|
|
/*
|
|
* Can control the fan speed directly.
|
|
*/
|
|
EC_FEATURE_PWM_FAN = 2,
|
|
/*
|
|
* Can control the intensity of the keyboard backlight.
|
|
*/
|
|
EC_FEATURE_PWM_KEYB = 3,
|
|
/*
|
|
* Support Google lightbar, introduced on Pixel.
|
|
*/
|
|
EC_FEATURE_LIGHTBAR = 4,
|
|
/* Control of LEDs */
|
|
EC_FEATURE_LED = 5,
|
|
/* Exposes an interface to control gyro and sensors.
|
|
* The host goes through the EC to access these sensors.
|
|
* In addition, the EC may provide composite sensors, like lid angle.
|
|
*/
|
|
EC_FEATURE_MOTION_SENSE = 6,
|
|
/* The keyboard is controlled by the EC */
|
|
EC_FEATURE_KEYB = 7,
|
|
/* The AP can use part of the EC flash as persistent storage. */
|
|
EC_FEATURE_PSTORE = 8,
|
|
/* The EC monitors BIOS port 80h, and can return POST codes. */
|
|
EC_FEATURE_PORT80 = 9,
|
|
/*
|
|
* Thermal management: include TMP specific commands.
|
|
* Higher level than direct fan control.
|
|
*/
|
|
EC_FEATURE_THERMAL = 10,
|
|
/* Can switch the screen backlight on/off */
|
|
EC_FEATURE_BKLIGHT_SWITCH = 11,
|
|
/* Can switch the wifi module on/off */
|
|
EC_FEATURE_WIFI_SWITCH = 12,
|
|
/* Monitor host events, through for example SMI or SCI */
|
|
EC_FEATURE_HOST_EVENTS = 13,
|
|
/* The EC exposes GPIO commands to control/monitor connected devices. */
|
|
EC_FEATURE_GPIO = 14,
|
|
/* The EC can send i2c messages to downstream devices. */
|
|
EC_FEATURE_I2C = 15,
|
|
/* Command to control charger are included */
|
|
EC_FEATURE_CHARGER = 16,
|
|
/* Simple battery support. */
|
|
EC_FEATURE_BATTERY = 17,
|
|
/*
|
|
* Support Smart battery protocol
|
|
* (Common Smart Battery System Interface Specification)
|
|
*/
|
|
EC_FEATURE_SMART_BATTERY = 18,
|
|
/* EC can detect when the host hangs. */
|
|
EC_FEATURE_HANG_DETECT = 19,
|
|
/* Report power information, for pit only */
|
|
EC_FEATURE_PMU = 20,
|
|
/* Another Cros EC device is present downstream of this one */
|
|
EC_FEATURE_SUB_MCU = 21,
|
|
/* Support USB Power delivery (PD) commands */
|
|
EC_FEATURE_USB_PD = 22,
|
|
/* Control USB multiplexer, for audio through USB port for instance. */
|
|
EC_FEATURE_USB_MUX = 23,
|
|
/* Motion Sensor code has an internal software FIFO */
|
|
EC_FEATURE_MOTION_SENSE_FIFO = 24,
|
|
/* Support temporary secure vstore */
|
|
EC_FEATURE_VSTORE = 25,
|
|
/* EC decides on USB-C SS mux state, muxes configured by host */
|
|
EC_FEATURE_USBC_SS_MUX_VIRTUAL = 26,
|
|
/* EC has RTC feature that can be controlled by host commands */
|
|
EC_FEATURE_RTC = 27,
|
|
/* The MCU exposes a Fingerprint sensor */
|
|
EC_FEATURE_FINGERPRINT = 28,
|
|
/* The MCU exposes a Touchpad */
|
|
EC_FEATURE_TOUCHPAD = 29,
|
|
/* The MCU has RWSIG task enabled */
|
|
EC_FEATURE_RWSIG = 30,
|
|
/* EC has device events support */
|
|
EC_FEATURE_DEVICE_EVENT = 31,
|
|
/* EC supports the unified wake masks for LPC/eSPI systems */
|
|
EC_FEATURE_UNIFIED_WAKE_MASKS = 32,
|
|
/* EC supports 64-bit host events */
|
|
EC_FEATURE_HOST_EVENT64 = 33,
|
|
/* EC runs code in RAM (not in place, a.k.a. XIP) */
|
|
EC_FEATURE_EXEC_IN_RAM = 34,
|
|
/* EC supports CEC commands */
|
|
EC_FEATURE_CEC = 35,
|
|
/* EC supports tight sensor timestamping. */
|
|
EC_FEATURE_MOTION_SENSE_TIGHT_TIMESTAMPS = 36,
|
|
/*
|
|
* EC supports tablet mode detection aligned to Chrome and allows
|
|
* setting of threshold by host command using
|
|
* MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE.
|
|
*/
|
|
EC_FEATURE_REFINED_TABLET_MODE_HYSTERESIS = 37,
|
|
/*
|
|
* Early Firmware Selection ver.2. Enabled by CONFIG_VBOOT_EFS2.
|
|
* Note this is a RO feature. So, a query (EC_CMD_GET_FEATURES) should
|
|
* be sent to RO to be precise.
|
|
*/
|
|
EC_FEATURE_EFS2 = 38,
|
|
/* The MCU is a System Companion Processor (SCP). */
|
|
EC_FEATURE_SCP = 39,
|
|
/* The MCU is an Integrated Sensor Hub */
|
|
EC_FEATURE_ISH = 40,
|
|
/* New TCPMv2 TYPEC_ prefaced commands supported */
|
|
EC_FEATURE_TYPEC_CMD = 41,
|
|
/*
|
|
* The EC will wait for direction from the AP to enter Type-C alternate
|
|
* modes or USB4.
|
|
*/
|
|
EC_FEATURE_TYPEC_REQUIRE_AP_MODE_ENTRY = 42,
|
|
/*
|
|
* The EC will wait for an acknowledge from the AP after setting the
|
|
* mux.
|
|
*/
|
|
EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK = 43,
|
|
};
|
|
|
|
#define EC_FEATURE_MASK_0(event_code) BIT(event_code % 32)
|
|
#define EC_FEATURE_MASK_1(event_code) BIT(event_code - 32)
|
|
|
|
struct ec_response_get_features {
|
|
uint32_t flags[2];
|
|
} __ec_align4;
|
|
|
|
/*****************************************************************************/
|
|
/* Get the board's SKU ID from EC */
|
|
#define EC_CMD_GET_SKU_ID 0x000E
|
|
|
|
/* Set SKU ID from AP */
|
|
#define EC_CMD_SET_SKU_ID 0x000F
|
|
|
|
struct __ec_align4 ec_sku_id_info {
|
|
uint32_t sku_id;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Flash commands */
|
|
|
|
/* Get flash info */
|
|
#define EC_CMD_FLASH_INFO 0x0010
|
|
#define EC_VER_FLASH_INFO 2
|
|
|
|
/* Version 0 returns these fields */
|
|
struct __ec_align4 ec_response_flash_info {
|
|
/* Usable flash size, in bytes */
|
|
uint32_t flash_size;
|
|
/*
|
|
* Write block size. Write offset and size must be a multiple
|
|
* of this.
|
|
*/
|
|
uint32_t write_block_size;
|
|
/*
|
|
* Erase block size. Erase offset and size must be a multiple
|
|
* of this.
|
|
*/
|
|
uint32_t erase_block_size;
|
|
/*
|
|
* Protection block size. Protection offset and size must be a
|
|
* multiple of this.
|
|
*/
|
|
uint32_t protect_block_size;
|
|
};
|
|
|
|
/* Flags for version 1+ flash info command */
|
|
/* EC flash erases bits to 0 instead of 1 */
|
|
#define EC_FLASH_INFO_ERASE_TO_0 (1 << 0)
|
|
|
|
/* Flash must be selected for read/write/erase operations to succeed. This may
|
|
* be necessary on a chip where write/erase can be corrupted by other board
|
|
* activity, or where the chip needs to enable some sort of programming voltage,
|
|
* or where the read/write/erase operations require cleanly suspending other
|
|
* chip functionality. */
|
|
#define EC_FLASH_INFO_SELECT_REQUIRED (1 << 1)
|
|
|
|
/*
|
|
* Version 1 returns the same initial fields as version 0, with additional
|
|
* fields following.
|
|
*
|
|
* gcc anonymous structs don't seem to get along with the __packed directive;
|
|
* if they did we'd define the version 0 structure as a sub-structure of this
|
|
* one.
|
|
*
|
|
* Version 2 supports flash banks of different sizes:
|
|
* The caller specified the number of banks it has preallocated
|
|
* (num_banks_desc)
|
|
* The EC returns the number of banks describing the flash memory.
|
|
* It adds banks descriptions up to num_banks_desc.
|
|
*/
|
|
struct __ec_align4 ec_response_flash_info_1 {
|
|
/* Version 0 fields; see above for description */
|
|
uint32_t flash_size;
|
|
uint32_t write_block_size;
|
|
uint32_t erase_block_size;
|
|
uint32_t protect_block_size;
|
|
|
|
/* Version 1 adds these fields: */
|
|
/*
|
|
* Ideal write size in bytes. Writes will be fastest if size is
|
|
* exactly this and offset is a multiple of this. For example, an EC
|
|
* may have a write buffer which can do half-page operations if data is
|
|
* aligned, and a slower word-at-a-time write mode.
|
|
*/
|
|
uint32_t write_ideal_size;
|
|
|
|
/* Flags; see EC_FLASH_INFO_* */
|
|
uint32_t flags;
|
|
};
|
|
|
|
struct __ec_align4 ec_params_flash_info_2 {
|
|
/* Number of banks to describe */
|
|
uint16_t num_banks_desc;
|
|
/* Reserved; set 0; ignore on read */
|
|
uint8_t reserved[2];
|
|
};
|
|
|
|
struct ec_flash_bank {
|
|
/* Number of sector is in this bank. */
|
|
uint16_t count;
|
|
/* Size in power of 2 of each sector (8 --> 256 bytes) */
|
|
uint8_t size_exp;
|
|
/* Minimal write size for the sectors in this bank */
|
|
uint8_t write_size_exp;
|
|
/* Erase size for the sectors in this bank */
|
|
uint8_t erase_size_exp;
|
|
/* Size for write protection, usually identical to erase size. */
|
|
uint8_t protect_size_exp;
|
|
/* Reserved; set 0; ignore on read */
|
|
uint8_t reserved[2];
|
|
};
|
|
|
|
struct __ec_align4 ec_response_flash_info_2 {
|
|
/* Total flash in the EC. */
|
|
uint32_t flash_size;
|
|
/* Flags; see EC_FLASH_INFO_* */
|
|
uint32_t flags;
|
|
/* Maximum size to use to send data to write to the EC. */
|
|
uint32_t write_ideal_size;
|
|
/* Number of banks present in the EC. */
|
|
uint16_t num_banks_total;
|
|
/* Number of banks described in banks array. */
|
|
uint16_t num_banks_desc;
|
|
struct ec_flash_bank banks[0];
|
|
};
|
|
|
|
/*
|
|
* Read flash
|
|
*
|
|
* Response is params.size bytes of data.
|
|
*/
|
|
#define EC_CMD_FLASH_READ 0x0011
|
|
|
|
struct __ec_align4 ec_params_flash_read {
|
|
uint32_t offset; /* Byte offset to read */
|
|
uint32_t size; /* Size to read in bytes */
|
|
};
|
|
|
|
/* Write flash */
|
|
#define EC_CMD_FLASH_WRITE 0x0012
|
|
#define EC_VER_FLASH_WRITE 1
|
|
|
|
/* Version 0 of the flash command supported only 64 bytes of data */
|
|
#define EC_FLASH_WRITE_VER0_SIZE 64
|
|
|
|
struct __ec_align4 ec_params_flash_write {
|
|
uint32_t offset; /* Byte offset to write */
|
|
uint32_t size; /* Size to write in bytes */
|
|
/* Followed by data to write */
|
|
};
|
|
|
|
/* Erase flash */
|
|
#define EC_CMD_FLASH_ERASE 0x0013
|
|
|
|
/* v0 */
|
|
struct __ec_align4 ec_params_flash_erase {
|
|
uint32_t offset; /* Byte offset to erase */
|
|
uint32_t size; /* Size to erase in bytes */
|
|
};
|
|
|
|
|
|
#define EC_VER_FLASH_WRITE 1
|
|
/* v1 add async erase:
|
|
* subcommands can returns:
|
|
* EC_RES_SUCCESS : erased (see ERASE_SECTOR_ASYNC case below).
|
|
* EC_RES_INVALID_PARAM : offset/size are not aligned on a erase boundary.
|
|
* EC_RES_ERROR : other errors.
|
|
* EC_RES_BUSY : an existing erase operation is in progress.
|
|
* EC_RES_ACCESS_DENIED: Trying to erase running image.
|
|
*
|
|
* When ERASE_SECTOR_ASYNC returns EC_RES_SUCCESS, the operation is just
|
|
* properly queued. The user must call ERASE_GET_RESULT subcommand to get
|
|
* the proper result.
|
|
* When ERASE_GET_RESULT returns EC_RES_BUSY, the caller must wait and send
|
|
* ERASE_GET_RESULT again to get the result of ERASE_SECTOR_ASYNC.
|
|
* ERASE_GET_RESULT command may timeout on EC where flash access is not
|
|
* permitted while erasing. (For instance, STM32F4).
|
|
*/
|
|
enum ec_flash_erase_cmd {
|
|
FLASH_ERASE_SECTOR, /* Erase and wait for result */
|
|
FLASH_ERASE_SECTOR_ASYNC, /* Erase and return immediately. */
|
|
FLASH_ERASE_GET_RESULT, /* Ask for last erase result */
|
|
};
|
|
|
|
struct __ec_align4 ec_params_flash_erase_v1 {
|
|
/* One of ec_flash_erase_cmd. */
|
|
uint8_t cmd;
|
|
/* Pad byte; currently always contains 0 */
|
|
uint8_t reserved;
|
|
/* No flags defined yet; set to 0 */
|
|
uint16_t flag;
|
|
/* Same as v0 parameters. */
|
|
struct ec_params_flash_erase params;
|
|
};
|
|
|
|
/*
|
|
* Get/set flash protection.
|
|
*
|
|
* If mask!=0, sets/clear the requested bits of flags. Depending on the
|
|
* firmware write protect GPIO, not all flags will take effect immediately;
|
|
* some flags require a subsequent hard reset to take effect. Check the
|
|
* returned flags bits to see what actually happened.
|
|
*
|
|
* If mask=0, simply returns the current flags state.
|
|
*/
|
|
#define EC_CMD_FLASH_PROTECT 0x0015
|
|
#define EC_VER_FLASH_PROTECT 1 /* Command version 1 */
|
|
|
|
/* Flags for flash protection */
|
|
/* RO flash code protected when the EC boots */
|
|
#define EC_FLASH_PROTECT_RO_AT_BOOT (1 << 0)
|
|
/*
|
|
* RO flash code protected now. If this bit is set, at-boot status cannot
|
|
* be changed.
|
|
*/
|
|
#define EC_FLASH_PROTECT_RO_NOW (1 << 1)
|
|
/* Entire flash code protected now, until reboot. */
|
|
#define EC_FLASH_PROTECT_ALL_NOW (1 << 2)
|
|
/* Flash write protect GPIO is asserted now */
|
|
#define EC_FLASH_PROTECT_GPIO_ASSERTED (1 << 3)
|
|
/* Error - at least one bank of flash is stuck locked, and cannot be unlocked */
|
|
#define EC_FLASH_PROTECT_ERROR_STUCK (1 << 4)
|
|
/*
|
|
* Error - flash protection is in inconsistent state. At least one bank of
|
|
* flash which should be protected is not protected. Usually fixed by
|
|
* re-requesting the desired flags, or by a hard reset if that fails.
|
|
*/
|
|
#define EC_FLASH_PROTECT_ERROR_INCONSISTENT (1 << 5)
|
|
/* Entire flash code protected when the EC boots */
|
|
#define EC_FLASH_PROTECT_ALL_AT_BOOT (1 << 6)
|
|
/* RW flash code protected when the EC boots */
|
|
#define EC_FLASH_PROTECT_RW_AT_BOOT (1 << 7)
|
|
/* RW flash code protected now. */
|
|
#define EC_FLASH_PROTECT_RW_NOW (1 << 8)
|
|
/* Rollback information flash region protected when the EC boots */
|
|
#define EC_FLASH_PROTECT_ROLLBACK_AT_BOOT (1 << 9)
|
|
/* Rollback information flash region protected now */
|
|
#define EC_FLASH_PROTECT_ROLLBACK_NOW (1 << 10)
|
|
|
|
struct __ec_align4 ec_params_flash_protect {
|
|
uint32_t mask; /* Bits in flags to apply */
|
|
uint32_t flags; /* New flags to apply */
|
|
};
|
|
|
|
struct __ec_align4 ec_response_flash_protect {
|
|
/* Current value of flash protect flags */
|
|
uint32_t flags;
|
|
/*
|
|
* Flags which are valid on this platform. This allows the caller
|
|
* to distinguish between flags which aren't set vs. flags which can't
|
|
* be set on this platform.
|
|
*/
|
|
uint32_t valid_flags;
|
|
/* Flags which can be changed given the current protection state */
|
|
uint32_t writable_flags;
|
|
};
|
|
|
|
/*
|
|
* Note: commands 0x14 - 0x19 version 0 were old commands to get/set flash
|
|
* write protect. These commands may be reused with version > 0.
|
|
*/
|
|
|
|
/* Get the region offset/size */
|
|
#define EC_CMD_FLASH_REGION_INFO 0x0016
|
|
#define EC_VER_FLASH_REGION_INFO 1
|
|
|
|
enum ec_flash_region {
|
|
/* Region which holds read-only EC image */
|
|
EC_FLASH_REGION_RO = 0,
|
|
/* Region which holds active rewritable EC image */
|
|
EC_FLASH_REGION_ACTIVE,
|
|
/*
|
|
* Region which should be write-protected in the factory (a superset of
|
|
* EC_FLASH_REGION_RO)
|
|
*/
|
|
EC_FLASH_REGION_WP_RO,
|
|
/* Region which holds updatable image */
|
|
EC_FLASH_REGION_UPDATE,
|
|
/* Number of regions */
|
|
EC_FLASH_REGION_COUNT,
|
|
};
|
|
|
|
struct __ec_align4 ec_params_flash_region_info {
|
|
uint32_t region; /* enum ec_flash_region */
|
|
};
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|
|
|
struct __ec_align4 ec_response_flash_region_info {
|
|
uint32_t offset;
|
|
uint32_t size;
|
|
};
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|
|
|
/* Read/write VbNvContext */
|
|
#define EC_CMD_VBNV_CONTEXT 0x0017
|
|
#define EC_VER_VBNV_CONTEXT 1
|
|
#define EC_VBNV_BLOCK_SIZE 16
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|
#define EC_VBNV_BLOCK_SIZE_V2 64
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|
|
|
enum ec_vbnvcontext_op {
|
|
EC_VBNV_CONTEXT_OP_READ,
|
|
EC_VBNV_CONTEXT_OP_WRITE,
|
|
};
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|
|
|
struct __ec_align4 ec_params_vbnvcontext {
|
|
uint32_t op;
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|
uint8_t block[EC_VBNV_BLOCK_SIZE_V2];
|
|
};
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|
|
|
struct __ec_align4 ec_response_vbnvcontext {
|
|
uint8_t block[EC_VBNV_BLOCK_SIZE_V2];
|
|
};
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|
|
|
|
|
/* Get SPI flash information */
|
|
#define EC_CMD_FLASH_SPI_INFO 0x0018
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|
|
|
struct __ec_align1 ec_response_flash_spi_info {
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|
/* JEDEC info from command 0x9F (manufacturer, memory type, size) */
|
|
uint8_t jedec[3];
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|
|
|
/* Pad byte; currently always contains 0 */
|
|
uint8_t reserved0;
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|
|
|
/* Manufacturer / device ID from command 0x90 */
|
|
uint8_t mfr_dev_id[2];
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|
|
|
/* Status registers from command 0x05 and 0x35 */
|
|
uint8_t sr1, sr2;
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|
};
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|
|
|
|
|
/* Select flash during flash operations */
|
|
#define EC_CMD_FLASH_SELECT 0x0019
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|
|
|
struct __ec_align4 ec_params_flash_select {
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|
/* 1 to select flash, 0 to deselect flash */
|
|
uint8_t select;
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|
};
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|
|
|
/*****************************************************************************/
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|
/* PWM commands */
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|
|
|
/* Get fan target RPM */
|
|
#define EC_CMD_PWM_GET_FAN_TARGET_RPM 0x0020
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|
|
struct __ec_align4 ec_response_pwm_get_fan_rpm {
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|
uint32_t rpm;
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|
};
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|
|
|
/* Set target fan RPM */
|
|
#define EC_CMD_PWM_SET_FAN_TARGET_RPM 0x0021
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|
|
|
/* Version 0 of input params */
|
|
struct __ec_align4 ec_params_pwm_set_fan_target_rpm_v0 {
|
|
uint32_t rpm;
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|
};
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|
|
|
/* Version 1 of input params */
|
|
struct __ec_align_size1 ec_params_pwm_set_fan_target_rpm_v1 {
|
|
uint32_t rpm;
|
|
uint8_t fan_idx;
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|
};
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|
|
|
/* Get keyboard backlight */
|
|
/* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */
|
|
#define EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT 0x0022
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|
|
|
struct __ec_align1 ec_response_pwm_get_keyboard_backlight {
|
|
uint8_t percent;
|
|
uint8_t enabled;
|
|
};
|
|
|
|
/* Set keyboard backlight */
|
|
/* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */
|
|
#define EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT 0x0023
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|
|
|
struct __ec_align1 ec_params_pwm_set_keyboard_backlight {
|
|
uint8_t percent;
|
|
};
|
|
|
|
/* Set target fan PWM duty cycle */
|
|
#define EC_CMD_PWM_SET_FAN_DUTY 0x0024
|
|
|
|
/* Version 0 of input params */
|
|
struct __ec_align4 ec_params_pwm_set_fan_duty_v0 {
|
|
uint32_t percent;
|
|
};
|
|
|
|
/* Version 1 of input params */
|
|
struct __ec_align_size1 ec_params_pwm_set_fan_duty_v1 {
|
|
uint32_t percent;
|
|
uint8_t fan_idx;
|
|
};
|
|
|
|
#define EC_CMD_PWM_SET_DUTY 0x0025
|
|
/* 16 bit duty cycle, 0xffff = 100% */
|
|
#define EC_PWM_MAX_DUTY 0xffff
|
|
|
|
enum ec_pwm_type {
|
|
/* All types, indexed by board-specific enum pwm_channel */
|
|
EC_PWM_TYPE_GENERIC = 0,
|
|
/* Keyboard backlight */
|
|
EC_PWM_TYPE_KB_LIGHT,
|
|
/* Display backlight */
|
|
EC_PWM_TYPE_DISPLAY_LIGHT,
|
|
EC_PWM_TYPE_COUNT,
|
|
};
|
|
|
|
struct __ec_align4 ec_params_pwm_set_duty {
|
|
uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */
|
|
uint8_t pwm_type; /* ec_pwm_type */
|
|
uint8_t index; /* Type-specific index, or 0 if unique */
|
|
};
|
|
|
|
#define EC_CMD_PWM_GET_DUTY 0x0026
|
|
|
|
struct __ec_align1 ec_params_pwm_get_duty {
|
|
uint8_t pwm_type; /* ec_pwm_type */
|
|
uint8_t index; /* Type-specific index, or 0 if unique */
|
|
};
|
|
|
|
struct __ec_align2 ec_response_pwm_get_duty {
|
|
uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Lightbar commands. This looks worse than it is. Since we only use one HOST
|
|
* command to say "talk to the lightbar", we put the "and tell it to do X" part
|
|
* into a subcommand. We'll make separate structs for subcommands with
|
|
* different input args, so that we know how much to expect.
|
|
*/
|
|
#define EC_CMD_LIGHTBAR_CMD 0x0028
|
|
|
|
struct __ec_todo_unpacked rgb_s {
|
|
uint8_t r, g, b;
|
|
};
|
|
|
|
#define LB_BATTERY_LEVELS 4
|
|
/* List of tweakable parameters. NOTE: It's __packed so it can be sent in a
|
|
* host command, but the alignment is the same regardless. Keep it that way.
|
|
*/
|
|
struct __ec_todo_packed lightbar_params_v0 {
|
|
/* Timing */
|
|
int32_t google_ramp_up;
|
|
int32_t google_ramp_down;
|
|
int32_t s3s0_ramp_up;
|
|
int32_t s0_tick_delay[2]; /* AC=0/1 */
|
|
int32_t s0a_tick_delay[2]; /* AC=0/1 */
|
|
int32_t s0s3_ramp_down;
|
|
int32_t s3_sleep_for;
|
|
int32_t s3_ramp_up;
|
|
int32_t s3_ramp_down;
|
|
|
|
/* Oscillation */
|
|
uint8_t new_s0;
|
|
uint8_t osc_min[2]; /* AC=0/1 */
|
|
uint8_t osc_max[2]; /* AC=0/1 */
|
|
uint8_t w_ofs[2]; /* AC=0/1 */
|
|
|
|
/* Brightness limits based on the backlight and AC. */
|
|
uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
|
|
uint8_t bright_bl_on_min[2]; /* AC=0/1 */
|
|
uint8_t bright_bl_on_max[2]; /* AC=0/1 */
|
|
|
|
/* Battery level thresholds */
|
|
uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
|
|
|
|
/* Map [AC][battery_level] to color index */
|
|
uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
|
|
uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
|
|
|
|
/* Color palette */
|
|
struct rgb_s color[8]; /* 0-3 are Google colors */
|
|
};
|
|
|
|
struct __ec_todo_packed lightbar_params_v1 {
|
|
/* Timing */
|
|
int32_t google_ramp_up;
|
|
int32_t google_ramp_down;
|
|
int32_t s3s0_ramp_up;
|
|
int32_t s0_tick_delay[2]; /* AC=0/1 */
|
|
int32_t s0a_tick_delay[2]; /* AC=0/1 */
|
|
int32_t s0s3_ramp_down;
|
|
int32_t s3_sleep_for;
|
|
int32_t s3_ramp_up;
|
|
int32_t s3_ramp_down;
|
|
int32_t s5_ramp_up;
|
|
int32_t s5_ramp_down;
|
|
int32_t tap_tick_delay;
|
|
int32_t tap_gate_delay;
|
|
int32_t tap_display_time;
|
|
|
|
/* Tap-for-battery params */
|
|
uint8_t tap_pct_red;
|
|
uint8_t tap_pct_green;
|
|
uint8_t tap_seg_min_on;
|
|
uint8_t tap_seg_max_on;
|
|
uint8_t tap_seg_osc;
|
|
uint8_t tap_idx[3];
|
|
|
|
/* Oscillation */
|
|
uint8_t osc_min[2]; /* AC=0/1 */
|
|
uint8_t osc_max[2]; /* AC=0/1 */
|
|
uint8_t w_ofs[2]; /* AC=0/1 */
|
|
|
|
/* Brightness limits based on the backlight and AC. */
|
|
uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
|
|
uint8_t bright_bl_on_min[2]; /* AC=0/1 */
|
|
uint8_t bright_bl_on_max[2]; /* AC=0/1 */
|
|
|
|
/* Battery level thresholds */
|
|
uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
|
|
|
|
/* Map [AC][battery_level] to color index */
|
|
uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
|
|
uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
|
|
|
|
/* s5: single color pulse on inhibited power-up */
|
|
uint8_t s5_idx;
|
|
|
|
/* Color palette */
|
|
struct rgb_s color[8]; /* 0-3 are Google colors */
|
|
};
|
|
|
|
/* Lightbar command params v2
|
|
* crbug.com/467716
|
|
*
|
|
* lightbar_parms_v1 was too big for i2c, therefore in v2, we split them up by
|
|
* logical groups to make it more manageable ( < 120 bytes).
|
|
*
|
|
* NOTE: Each of these groups must be less than 120 bytes.
|
|
*/
|
|
|
|
struct __ec_todo_packed lightbar_params_v2_timing {
|
|
/* Timing */
|
|
int32_t google_ramp_up;
|
|
int32_t google_ramp_down;
|
|
int32_t s3s0_ramp_up;
|
|
int32_t s0_tick_delay[2]; /* AC=0/1 */
|
|
int32_t s0a_tick_delay[2]; /* AC=0/1 */
|
|
int32_t s0s3_ramp_down;
|
|
int32_t s3_sleep_for;
|
|
int32_t s3_ramp_up;
|
|
int32_t s3_ramp_down;
|
|
int32_t s5_ramp_up;
|
|
int32_t s5_ramp_down;
|
|
int32_t tap_tick_delay;
|
|
int32_t tap_gate_delay;
|
|
int32_t tap_display_time;
|
|
};
|
|
|
|
struct __ec_todo_packed lightbar_params_v2_tap {
|
|
/* Tap-for-battery params */
|
|
uint8_t tap_pct_red;
|
|
uint8_t tap_pct_green;
|
|
uint8_t tap_seg_min_on;
|
|
uint8_t tap_seg_max_on;
|
|
uint8_t tap_seg_osc;
|
|
uint8_t tap_idx[3];
|
|
};
|
|
|
|
struct __ec_todo_packed lightbar_params_v2_oscillation {
|
|
/* Oscillation */
|
|
uint8_t osc_min[2]; /* AC=0/1 */
|
|
uint8_t osc_max[2]; /* AC=0/1 */
|
|
uint8_t w_ofs[2]; /* AC=0/1 */
|
|
};
|
|
|
|
struct __ec_todo_packed lightbar_params_v2_brightness {
|
|
/* Brightness limits based on the backlight and AC. */
|
|
uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */
|
|
uint8_t bright_bl_on_min[2]; /* AC=0/1 */
|
|
uint8_t bright_bl_on_max[2]; /* AC=0/1 */
|
|
};
|
|
|
|
struct __ec_todo_packed lightbar_params_v2_thresholds {
|
|
/* Battery level thresholds */
|
|
uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
|
|
};
|
|
|
|
struct __ec_todo_packed lightbar_params_v2_colors {
|
|
/* Map [AC][battery_level] to color index */
|
|
uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */
|
|
uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */
|
|
|
|
/* s5: single color pulse on inhibited power-up */
|
|
uint8_t s5_idx;
|
|
|
|
/* Color palette */
|
|
struct rgb_s color[8]; /* 0-3 are Google colors */
|
|
};
|
|
|
|
/* Lightbyte program. */
|
|
#define EC_LB_PROG_LEN 192
|
|
struct __ec_todo_unpacked lightbar_program {
|
|
uint8_t size;
|
|
uint8_t data[EC_LB_PROG_LEN];
|
|
};
|
|
|
|
struct __ec_todo_packed ec_params_lightbar {
|
|
uint8_t cmd; /* Command (see enum lightbar_command) */
|
|
union {
|
|
struct __ec_todo_unpacked {
|
|
/* no args */
|
|
} dump, off, on, init, get_seq, get_params_v0, get_params_v1,
|
|
version, get_brightness, get_demo, suspend, resume,
|
|
get_params_v2_timing, get_params_v2_tap,
|
|
get_params_v2_osc, get_params_v2_bright,
|
|
get_params_v2_thlds, get_params_v2_colors;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint8_t num;
|
|
} set_brightness, seq, demo;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint8_t ctrl, reg, value;
|
|
} reg;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint8_t led, red, green, blue;
|
|
} set_rgb;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint8_t led;
|
|
} get_rgb;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint8_t enable;
|
|
} manual_suspend_ctrl;
|
|
|
|
struct lightbar_params_v0 set_params_v0;
|
|
struct lightbar_params_v1 set_params_v1;
|
|
|
|
struct lightbar_params_v2_timing set_v2par_timing;
|
|
struct lightbar_params_v2_tap set_v2par_tap;
|
|
struct lightbar_params_v2_oscillation set_v2par_osc;
|
|
struct lightbar_params_v2_brightness set_v2par_bright;
|
|
struct lightbar_params_v2_thresholds set_v2par_thlds;
|
|
struct lightbar_params_v2_colors set_v2par_colors;
|
|
|
|
struct lightbar_program set_program;
|
|
};
|
|
};
|
|
|
|
struct __ec_todo_packed ec_response_lightbar {
|
|
union {
|
|
struct __ec_todo_unpacked {
|
|
struct __ec_todo_unpacked {
|
|
uint8_t reg;
|
|
uint8_t ic0;
|
|
uint8_t ic1;
|
|
} vals[23];
|
|
} dump;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint8_t num;
|
|
} get_seq, get_brightness, get_demo;
|
|
|
|
struct lightbar_params_v0 get_params_v0;
|
|
struct lightbar_params_v1 get_params_v1;
|
|
|
|
|
|
struct lightbar_params_v2_timing get_params_v2_timing;
|
|
struct lightbar_params_v2_tap get_params_v2_tap;
|
|
struct lightbar_params_v2_oscillation get_params_v2_osc;
|
|
struct lightbar_params_v2_brightness get_params_v2_bright;
|
|
struct lightbar_params_v2_thresholds get_params_v2_thlds;
|
|
struct lightbar_params_v2_colors get_params_v2_colors;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint32_t num;
|
|
uint32_t flags;
|
|
} version;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint8_t red, green, blue;
|
|
} get_rgb;
|
|
|
|
struct __ec_todo_unpacked {
|
|
/* no return params */
|
|
} off, on, init, set_brightness, seq, reg, set_rgb,
|
|
demo, set_params_v0, set_params_v1,
|
|
set_program, manual_suspend_ctrl, suspend, resume,
|
|
set_v2par_timing, set_v2par_tap,
|
|
set_v2par_osc, set_v2par_bright, set_v2par_thlds,
|
|
set_v2par_colors;
|
|
};
|
|
};
|
|
|
|
/* Lightbar commands */
|
|
enum lightbar_command {
|
|
LIGHTBAR_CMD_DUMP = 0,
|
|
LIGHTBAR_CMD_OFF = 1,
|
|
LIGHTBAR_CMD_ON = 2,
|
|
LIGHTBAR_CMD_INIT = 3,
|
|
LIGHTBAR_CMD_SET_BRIGHTNESS = 4,
|
|
LIGHTBAR_CMD_SEQ = 5,
|
|
LIGHTBAR_CMD_REG = 6,
|
|
LIGHTBAR_CMD_SET_RGB = 7,
|
|
LIGHTBAR_CMD_GET_SEQ = 8,
|
|
LIGHTBAR_CMD_DEMO = 9,
|
|
LIGHTBAR_CMD_GET_PARAMS_V0 = 10,
|
|
LIGHTBAR_CMD_SET_PARAMS_V0 = 11,
|
|
LIGHTBAR_CMD_VERSION = 12,
|
|
LIGHTBAR_CMD_GET_BRIGHTNESS = 13,
|
|
LIGHTBAR_CMD_GET_RGB = 14,
|
|
LIGHTBAR_CMD_GET_DEMO = 15,
|
|
LIGHTBAR_CMD_GET_PARAMS_V1 = 16,
|
|
LIGHTBAR_CMD_SET_PARAMS_V1 = 17,
|
|
LIGHTBAR_CMD_SET_PROGRAM = 18,
|
|
LIGHTBAR_CMD_MANUAL_SUSPEND_CTRL = 19,
|
|
LIGHTBAR_CMD_SUSPEND = 20,
|
|
LIGHTBAR_CMD_RESUME = 21,
|
|
LIGHTBAR_CMD_GET_PARAMS_V2_TIMING = 22,
|
|
LIGHTBAR_CMD_SET_PARAMS_V2_TIMING = 23,
|
|
LIGHTBAR_CMD_GET_PARAMS_V2_TAP = 24,
|
|
LIGHTBAR_CMD_SET_PARAMS_V2_TAP = 25,
|
|
LIGHTBAR_CMD_GET_PARAMS_V2_OSCILLATION = 26,
|
|
LIGHTBAR_CMD_SET_PARAMS_V2_OSCILLATION = 27,
|
|
LIGHTBAR_CMD_GET_PARAMS_V2_BRIGHTNESS = 28,
|
|
LIGHTBAR_CMD_SET_PARAMS_V2_BRIGHTNESS = 29,
|
|
LIGHTBAR_CMD_GET_PARAMS_V2_THRESHOLDS = 30,
|
|
LIGHTBAR_CMD_SET_PARAMS_V2_THRESHOLDS = 31,
|
|
LIGHTBAR_CMD_GET_PARAMS_V2_COLORS = 32,
|
|
LIGHTBAR_CMD_SET_PARAMS_V2_COLORS = 33,
|
|
LIGHTBAR_NUM_CMDS
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* LED control commands */
|
|
|
|
#define EC_CMD_LED_CONTROL 0x0029
|
|
|
|
enum ec_led_id {
|
|
/* LED to indicate battery state of charge */
|
|
EC_LED_ID_BATTERY_LED = 0,
|
|
/*
|
|
* LED to indicate system power state (on or in suspend).
|
|
* May be on power button or on C-panel.
|
|
*/
|
|
EC_LED_ID_POWER_LED,
|
|
/* LED on power adapter or its plug */
|
|
EC_LED_ID_ADAPTER_LED,
|
|
/* LED to indicate left side */
|
|
EC_LED_ID_LEFT_LED,
|
|
/* LED to indicate right side */
|
|
EC_LED_ID_RIGHT_LED,
|
|
/* LED to indicate recovery mode with HW_REINIT */
|
|
EC_LED_ID_RECOVERY_HW_REINIT_LED,
|
|
/* LED to indicate sysrq debug mode. */
|
|
EC_LED_ID_SYSRQ_DEBUG_LED,
|
|
|
|
EC_LED_ID_COUNT
|
|
};
|
|
|
|
/* LED control flags */
|
|
#define EC_LED_FLAGS_QUERY (1 << 0) /* Query LED capability only */
|
|
#define EC_LED_FLAGS_AUTO (1 << 1) /* Switch LED back to automatic control */
|
|
|
|
enum ec_led_colors {
|
|
EC_LED_COLOR_RED = 0,
|
|
EC_LED_COLOR_GREEN,
|
|
EC_LED_COLOR_BLUE,
|
|
EC_LED_COLOR_YELLOW,
|
|
EC_LED_COLOR_WHITE,
|
|
EC_LED_COLOR_AMBER,
|
|
|
|
EC_LED_COLOR_COUNT
|
|
};
|
|
|
|
struct __ec_align1 ec_params_led_control {
|
|
uint8_t led_id; /* Which LED to control */
|
|
uint8_t flags; /* Control flags */
|
|
|
|
uint8_t brightness[EC_LED_COLOR_COUNT];
|
|
};
|
|
|
|
struct __ec_align1 ec_response_led_control {
|
|
/*
|
|
* Available brightness value range.
|
|
*
|
|
* Range 0 means color channel not present.
|
|
* Range 1 means on/off control.
|
|
* Other values means the LED is control by PWM.
|
|
*/
|
|
uint8_t brightness_range[EC_LED_COLOR_COUNT];
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Verified boot commands */
|
|
|
|
/*
|
|
* Note: command code 0x29 version 0 was VBOOT_CMD in Link EVT; it may be
|
|
* reused for other purposes with version > 0.
|
|
*/
|
|
|
|
/* Verified boot hash command */
|
|
#define EC_CMD_VBOOT_HASH 0x002A
|
|
|
|
struct __ec_align4 ec_params_vboot_hash {
|
|
uint8_t cmd; /* enum ec_vboot_hash_cmd */
|
|
uint8_t hash_type; /* enum ec_vboot_hash_type */
|
|
uint8_t nonce_size; /* Nonce size; may be 0 */
|
|
uint8_t reserved0; /* Reserved; set 0 */
|
|
uint32_t offset; /* Offset in flash to hash */
|
|
uint32_t size; /* Number of bytes to hash */
|
|
uint8_t nonce_data[64]; /* Nonce data; ignored if nonce_size=0 */
|
|
};
|
|
|
|
struct __ec_align4 ec_response_vboot_hash {
|
|
uint8_t status; /* enum ec_vboot_hash_status */
|
|
uint8_t hash_type; /* enum ec_vboot_hash_type */
|
|
uint8_t digest_size; /* Size of hash digest in bytes */
|
|
uint8_t reserved0; /* Ignore; will be 0 */
|
|
uint32_t offset; /* Offset in flash which was hashed */
|
|
uint32_t size; /* Number of bytes hashed */
|
|
uint8_t hash_digest[64]; /* Hash digest data */
|
|
};
|
|
|
|
enum ec_vboot_hash_cmd {
|
|
EC_VBOOT_HASH_GET = 0, /* Get current hash status */
|
|
EC_VBOOT_HASH_ABORT = 1, /* Abort calculating current hash */
|
|
EC_VBOOT_HASH_START = 2, /* Start computing a new hash */
|
|
EC_VBOOT_HASH_RECALC = 3, /* Synchronously compute a new hash */
|
|
};
|
|
|
|
enum ec_vboot_hash_type {
|
|
EC_VBOOT_HASH_TYPE_SHA256 = 0, /* SHA-256 */
|
|
};
|
|
|
|
enum ec_vboot_hash_status {
|
|
EC_VBOOT_HASH_STATUS_NONE = 0, /* No hash (not started, or aborted) */
|
|
EC_VBOOT_HASH_STATUS_DONE = 1, /* Finished computing a hash */
|
|
EC_VBOOT_HASH_STATUS_BUSY = 2, /* Busy computing a hash */
|
|
};
|
|
|
|
/*
|
|
* Special values for offset for EC_VBOOT_HASH_START and EC_VBOOT_HASH_RECALC.
|
|
* If one of these is specified, the EC will automatically update offset and
|
|
* size to the correct values for the specified image (RO or RW).
|
|
*/
|
|
#define EC_VBOOT_HASH_OFFSET_RO 0xfffffffe
|
|
#define EC_VBOOT_HASH_OFFSET_ACTIVE 0xfffffffd
|
|
#define EC_VBOOT_HASH_OFFSET_UPDATE 0xfffffffc
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Motion sense commands. We'll make separate structs for sub-commands with
|
|
* different input args, so that we know how much to expect.
|
|
*/
|
|
#define EC_CMD_MOTION_SENSE_CMD 0x002B
|
|
|
|
/* Motion sense commands */
|
|
enum motionsense_command {
|
|
/*
|
|
* Dump command returns all motion sensor data including motion sense
|
|
* module flags and individual sensor flags.
|
|
*/
|
|
MOTIONSENSE_CMD_DUMP = 0,
|
|
|
|
/*
|
|
* Info command returns data describing the details of a given sensor,
|
|
* including enum motionsensor_type, enum motionsensor_location, and
|
|
* enum motionsensor_chip.
|
|
*/
|
|
MOTIONSENSE_CMD_INFO = 1,
|
|
|
|
/*
|
|
* EC Rate command is a setter/getter command for the EC sampling rate
|
|
* in milliseconds.
|
|
* It is per sensor, the EC run sample task at the minimum of all
|
|
* sensors EC_RATE.
|
|
* For sensors without hardware FIFO, EC_RATE should be equals to 1/ODR
|
|
* to collect all the sensor samples.
|
|
* For sensor with hardware FIFO, EC_RATE is used as the maximal delay
|
|
* to process of all motion sensors in milliseconds.
|
|
*/
|
|
MOTIONSENSE_CMD_EC_RATE = 2,
|
|
|
|
/*
|
|
* Sensor ODR command is a setter/getter command for the output data
|
|
* rate of a specific motion sensor in millihertz.
|
|
*/
|
|
MOTIONSENSE_CMD_SENSOR_ODR = 3,
|
|
|
|
/*
|
|
* Sensor range command is a setter/getter command for the range of
|
|
* a specified motion sensor in +/-G's or +/- deg/s.
|
|
*/
|
|
MOTIONSENSE_CMD_SENSOR_RANGE = 4,
|
|
|
|
/*
|
|
* Setter/getter command for the keyboard wake angle. When the lid
|
|
* angle is greater than this value, keyboard wake is disabled in S3,
|
|
* and when the lid angle goes less than this value, keyboard wake is
|
|
* enabled. Note, the lid angle measurement is an approximate,
|
|
* un-calibrated value, hence the wake angle isn't exact.
|
|
*/
|
|
MOTIONSENSE_CMD_KB_WAKE_ANGLE = 5,
|
|
|
|
/*
|
|
* Returns a single sensor data.
|
|
*/
|
|
MOTIONSENSE_CMD_DATA = 6,
|
|
|
|
/*
|
|
* Return sensor fifo info.
|
|
*/
|
|
MOTIONSENSE_CMD_FIFO_INFO = 7,
|
|
|
|
/*
|
|
* Insert a flush element in the fifo and return sensor fifo info.
|
|
* The host can use that element to synchronize its operation.
|
|
*/
|
|
MOTIONSENSE_CMD_FIFO_FLUSH = 8,
|
|
|
|
/*
|
|
* Return a portion of the fifo.
|
|
*/
|
|
MOTIONSENSE_CMD_FIFO_READ = 9,
|
|
|
|
/*
|
|
* Perform low level calibration.
|
|
* On sensors that support it, ask to do offset calibration.
|
|
*/
|
|
MOTIONSENSE_CMD_PERFORM_CALIB = 10,
|
|
|
|
/*
|
|
* Sensor Offset command is a setter/getter command for the offset
|
|
* used for calibration.
|
|
* The offsets can be calculated by the host, or via
|
|
* PERFORM_CALIB command.
|
|
*/
|
|
MOTIONSENSE_CMD_SENSOR_OFFSET = 11,
|
|
|
|
/*
|
|
* List available activities for a MOTION sensor.
|
|
* Indicates if they are enabled or disabled.
|
|
*/
|
|
MOTIONSENSE_CMD_LIST_ACTIVITIES = 12,
|
|
|
|
/*
|
|
* Activity management
|
|
* Enable/Disable activity recognition.
|
|
*/
|
|
MOTIONSENSE_CMD_SET_ACTIVITY = 13,
|
|
|
|
/*
|
|
* Lid Angle
|
|
*/
|
|
MOTIONSENSE_CMD_LID_ANGLE = 14,
|
|
|
|
/*
|
|
* Allow the FIFO to trigger interrupt via MKBP events.
|
|
* By default the FIFO does not send interrupt to process the FIFO
|
|
* until the AP is ready or it is coming from a wakeup sensor.
|
|
*/
|
|
MOTIONSENSE_CMD_FIFO_INT_ENABLE = 15,
|
|
|
|
/*
|
|
* Spoof the readings of the sensors. The spoofed readings can be set
|
|
* to arbitrary values, or will lock to the last read actual values.
|
|
*/
|
|
MOTIONSENSE_CMD_SPOOF = 16,
|
|
|
|
/* Number of motionsense sub-commands. */
|
|
MOTIONSENSE_NUM_CMDS
|
|
};
|
|
|
|
/* List of motion sensor types. */
|
|
enum motionsensor_type {
|
|
MOTIONSENSE_TYPE_ACCEL = 0,
|
|
MOTIONSENSE_TYPE_GYRO = 1,
|
|
MOTIONSENSE_TYPE_MAG = 2,
|
|
MOTIONSENSE_TYPE_PROX = 3,
|
|
MOTIONSENSE_TYPE_LIGHT = 4,
|
|
MOTIONSENSE_TYPE_ACTIVITY = 5,
|
|
MOTIONSENSE_TYPE_BARO = 6,
|
|
MOTIONSENSE_TYPE_MAX,
|
|
};
|
|
|
|
/* List of motion sensor locations. */
|
|
enum motionsensor_location {
|
|
MOTIONSENSE_LOC_BASE = 0,
|
|
MOTIONSENSE_LOC_LID = 1,
|
|
MOTIONSENSE_LOC_MAX,
|
|
};
|
|
|
|
/* List of motion sensor chips. */
|
|
enum motionsensor_chip {
|
|
MOTIONSENSE_CHIP_KXCJ9 = 0,
|
|
MOTIONSENSE_CHIP_LSM6DS0 = 1,
|
|
MOTIONSENSE_CHIP_BMI160 = 2,
|
|
MOTIONSENSE_CHIP_SI1141 = 3,
|
|
MOTIONSENSE_CHIP_SI1142 = 4,
|
|
MOTIONSENSE_CHIP_SI1143 = 5,
|
|
MOTIONSENSE_CHIP_KX022 = 6,
|
|
MOTIONSENSE_CHIP_L3GD20H = 7,
|
|
MOTIONSENSE_CHIP_BMA255 = 8,
|
|
MOTIONSENSE_CHIP_BMP280 = 9,
|
|
MOTIONSENSE_CHIP_OPT3001 = 10,
|
|
};
|
|
|
|
struct __ec_todo_packed ec_response_motion_sensor_data {
|
|
/* Flags for each sensor. */
|
|
uint8_t flags;
|
|
/* sensor number the data comes from */
|
|
uint8_t sensor_num;
|
|
/* Each sensor is up to 3-axis. */
|
|
union {
|
|
int16_t data[3];
|
|
struct __ec_todo_packed {
|
|
uint16_t reserved;
|
|
uint32_t timestamp;
|
|
};
|
|
struct __ec_todo_unpacked {
|
|
uint8_t activity; /* motionsensor_activity */
|
|
uint8_t state;
|
|
int16_t add_info[2];
|
|
};
|
|
};
|
|
};
|
|
|
|
/* Note: used in ec_response_get_next_data */
|
|
struct __ec_todo_packed ec_response_motion_sense_fifo_info {
|
|
/* Size of the fifo */
|
|
uint16_t size;
|
|
/* Amount of space used in the fifo */
|
|
uint16_t count;
|
|
/* Timestamp recorded in us */
|
|
uint32_t timestamp;
|
|
/* Total amount of vector lost */
|
|
uint16_t total_lost;
|
|
/* Lost events since the last fifo_info, per sensors */
|
|
uint16_t lost[0];
|
|
};
|
|
|
|
struct __ec_todo_packed ec_response_motion_sense_fifo_data {
|
|
uint32_t number_data;
|
|
struct ec_response_motion_sensor_data data[0];
|
|
};
|
|
|
|
/* List supported activity recognition */
|
|
enum motionsensor_activity {
|
|
MOTIONSENSE_ACTIVITY_RESERVED = 0,
|
|
MOTIONSENSE_ACTIVITY_SIG_MOTION = 1,
|
|
MOTIONSENSE_ACTIVITY_DOUBLE_TAP = 2,
|
|
};
|
|
|
|
struct __ec_todo_unpacked ec_motion_sense_activity {
|
|
uint8_t sensor_num;
|
|
uint8_t activity; /* one of enum motionsensor_activity */
|
|
uint8_t enable; /* 1: enable, 0: disable */
|
|
uint8_t reserved;
|
|
uint16_t parameters[3]; /* activity dependent parameters */
|
|
};
|
|
|
|
/* Module flag masks used for the dump sub-command. */
|
|
#define MOTIONSENSE_MODULE_FLAG_ACTIVE (1<<0)
|
|
|
|
/* Sensor flag masks used for the dump sub-command. */
|
|
#define MOTIONSENSE_SENSOR_FLAG_PRESENT (1<<0)
|
|
|
|
/*
|
|
* Flush entry for synchronization.
|
|
* data contains time stamp
|
|
*/
|
|
#define MOTIONSENSE_SENSOR_FLAG_FLUSH (1<<0)
|
|
#define MOTIONSENSE_SENSOR_FLAG_TIMESTAMP (1<<1)
|
|
#define MOTIONSENSE_SENSOR_FLAG_WAKEUP (1<<2)
|
|
#define MOTIONSENSE_SENSOR_FLAG_TABLET_MODE (1<<3)
|
|
|
|
/*
|
|
* Send this value for the data element to only perform a read. If you
|
|
* send any other value, the EC will interpret it as data to set and will
|
|
* return the actual value set.
|
|
*/
|
|
#define EC_MOTION_SENSE_NO_VALUE -1
|
|
|
|
#define EC_MOTION_SENSE_INVALID_CALIB_TEMP 0x8000
|
|
|
|
/* MOTIONSENSE_CMD_SENSOR_OFFSET subcommand flag */
|
|
/* Set Calibration information */
|
|
#define MOTION_SENSE_SET_OFFSET 1
|
|
|
|
#define LID_ANGLE_UNRELIABLE 500
|
|
|
|
enum motionsense_spoof_mode {
|
|
/* Disable spoof mode. */
|
|
MOTIONSENSE_SPOOF_MODE_DISABLE = 0,
|
|
|
|
/* Enable spoof mode, but use provided component values. */
|
|
MOTIONSENSE_SPOOF_MODE_CUSTOM,
|
|
|
|
/* Enable spoof mode, but use the current sensor values. */
|
|
MOTIONSENSE_SPOOF_MODE_LOCK_CURRENT,
|
|
|
|
/* Query the current spoof mode status for the sensor. */
|
|
MOTIONSENSE_SPOOF_MODE_QUERY,
|
|
};
|
|
|
|
struct __ec_todo_packed ec_params_motion_sense {
|
|
uint8_t cmd;
|
|
union {
|
|
/* Used for MOTIONSENSE_CMD_DUMP */
|
|
struct __ec_todo_unpacked {
|
|
/*
|
|
* Maximal number of sensor the host is expecting.
|
|
* 0 means the host is only interested in the number
|
|
* of sensors controlled by the EC.
|
|
*/
|
|
uint8_t max_sensor_count;
|
|
} dump;
|
|
|
|
/*
|
|
* Used for MOTIONSENSE_CMD_KB_WAKE_ANGLE.
|
|
*/
|
|
struct __ec_todo_unpacked {
|
|
/* Data to set or EC_MOTION_SENSE_NO_VALUE to read.
|
|
* kb_wake_angle: angle to wakup AP.
|
|
*/
|
|
int16_t data;
|
|
} kb_wake_angle;
|
|
|
|
/* Used for MOTIONSENSE_CMD_INFO, MOTIONSENSE_CMD_DATA
|
|
* and MOTIONSENSE_CMD_PERFORM_CALIB. */
|
|
struct __ec_todo_unpacked {
|
|
uint8_t sensor_num;
|
|
} info, info_3, data, fifo_flush, perform_calib,
|
|
list_activities;
|
|
|
|
/*
|
|
* Used for MOTIONSENSE_CMD_EC_RATE, MOTIONSENSE_CMD_SENSOR_ODR
|
|
* and MOTIONSENSE_CMD_SENSOR_RANGE.
|
|
*/
|
|
struct __ec_todo_unpacked {
|
|
uint8_t sensor_num;
|
|
|
|
/* Rounding flag, true for round-up, false for down. */
|
|
uint8_t roundup;
|
|
|
|
uint16_t reserved;
|
|
|
|
/* Data to set or EC_MOTION_SENSE_NO_VALUE to read. */
|
|
int32_t data;
|
|
} ec_rate, sensor_odr, sensor_range;
|
|
|
|
/* Used for MOTIONSENSE_CMD_SENSOR_OFFSET */
|
|
struct __ec_todo_packed {
|
|
uint8_t sensor_num;
|
|
|
|
/*
|
|
* bit 0: If set (MOTION_SENSE_SET_OFFSET), set
|
|
* the calibration information in the EC.
|
|
* If unset, just retrieve calibration information.
|
|
*/
|
|
uint16_t flags;
|
|
|
|
/*
|
|
* Temperature at calibration, in units of 0.01 C
|
|
* 0x8000: invalid / unknown.
|
|
* 0x0: 0C
|
|
* 0x7fff: +327.67C
|
|
*/
|
|
int16_t temp;
|
|
|
|
/*
|
|
* Offset for calibration.
|
|
* Unit:
|
|
* Accelerometer: 1/1024 g
|
|
* Gyro: 1/1024 deg/s
|
|
* Compass: 1/16 uT
|
|
*/
|
|
int16_t offset[3];
|
|
} sensor_offset;
|
|
|
|
/* Used for MOTIONSENSE_CMD_FIFO_INFO */
|
|
struct __ec_todo_unpacked {
|
|
} fifo_info;
|
|
|
|
/* Used for MOTIONSENSE_CMD_FIFO_READ */
|
|
struct __ec_todo_unpacked {
|
|
/*
|
|
* Number of expected vector to return.
|
|
* EC may return less or 0 if none available.
|
|
*/
|
|
uint32_t max_data_vector;
|
|
} fifo_read;
|
|
|
|
struct ec_motion_sense_activity set_activity;
|
|
|
|
/* Used for MOTIONSENSE_CMD_LID_ANGLE */
|
|
struct __ec_todo_unpacked {
|
|
} lid_angle;
|
|
|
|
/* Used for MOTIONSENSE_CMD_FIFO_INT_ENABLE */
|
|
struct __ec_todo_unpacked {
|
|
/*
|
|
* 1: enable, 0 disable fifo,
|
|
* EC_MOTION_SENSE_NO_VALUE return value.
|
|
*/
|
|
int8_t enable;
|
|
} fifo_int_enable;
|
|
|
|
/* Used for MOTIONSENSE_CMD_SPOOF */
|
|
struct __ec_todo_packed {
|
|
uint8_t sensor_id;
|
|
|
|
/* See enum motionsense_spoof_mode. */
|
|
uint8_t spoof_enable;
|
|
|
|
/* Ignored, used for alignment. */
|
|
uint8_t reserved;
|
|
|
|
/* Individual component values to spoof. */
|
|
int16_t components[3];
|
|
} spoof;
|
|
};
|
|
};
|
|
|
|
struct __ec_todo_packed ec_response_motion_sense {
|
|
union {
|
|
/* Used for MOTIONSENSE_CMD_DUMP */
|
|
struct __ec_todo_unpacked {
|
|
/* Flags representing the motion sensor module. */
|
|
uint8_t module_flags;
|
|
|
|
/* Number of sensors managed directly by the EC */
|
|
uint8_t sensor_count;
|
|
|
|
/*
|
|
* sensor data is truncated if response_max is too small
|
|
* for holding all the data.
|
|
*/
|
|
struct ec_response_motion_sensor_data sensor[0];
|
|
} dump;
|
|
|
|
/* Used for MOTIONSENSE_CMD_INFO. */
|
|
struct __ec_todo_unpacked {
|
|
/* Should be element of enum motionsensor_type. */
|
|
uint8_t type;
|
|
|
|
/* Should be element of enum motionsensor_location. */
|
|
uint8_t location;
|
|
|
|
/* Should be element of enum motionsensor_chip. */
|
|
uint8_t chip;
|
|
} info;
|
|
|
|
/* Used for MOTIONSENSE_CMD_INFO version 3 */
|
|
struct __ec_todo_unpacked {
|
|
/* Should be element of enum motionsensor_type. */
|
|
uint8_t type;
|
|
|
|
/* Should be element of enum motionsensor_location. */
|
|
uint8_t location;
|
|
|
|
/* Should be element of enum motionsensor_chip. */
|
|
uint8_t chip;
|
|
|
|
/* Minimum sensor sampling frequency */
|
|
uint32_t min_frequency;
|
|
|
|
/* Maximum sensor sampling frequency */
|
|
uint32_t max_frequency;
|
|
|
|
/* Max number of sensor events that could be in fifo */
|
|
uint32_t fifo_max_event_count;
|
|
} info_3;
|
|
|
|
/* Used for MOTIONSENSE_CMD_DATA */
|
|
struct ec_response_motion_sensor_data data;
|
|
|
|
/*
|
|
* Used for MOTIONSENSE_CMD_EC_RATE, MOTIONSENSE_CMD_SENSOR_ODR,
|
|
* MOTIONSENSE_CMD_SENSOR_RANGE,
|
|
* MOTIONSENSE_CMD_KB_WAKE_ANGLE,
|
|
* MOTIONSENSE_CMD_FIFO_INT_ENABLE and
|
|
* MOTIONSENSE_CMD_SPOOF.
|
|
*/
|
|
struct __ec_todo_unpacked {
|
|
/* Current value of the parameter queried. */
|
|
int32_t ret;
|
|
} ec_rate, sensor_odr, sensor_range, kb_wake_angle,
|
|
fifo_int_enable, spoof;
|
|
|
|
/* Used for MOTIONSENSE_CMD_SENSOR_OFFSET */
|
|
struct __ec_todo_unpacked {
|
|
int16_t temp;
|
|
int16_t offset[3];
|
|
} sensor_offset, perform_calib;
|
|
|
|
struct ec_response_motion_sense_fifo_info fifo_info, fifo_flush;
|
|
|
|
struct ec_response_motion_sense_fifo_data fifo_read;
|
|
|
|
struct __ec_todo_packed {
|
|
uint16_t reserved;
|
|
uint32_t enabled;
|
|
uint32_t disabled;
|
|
} list_activities;
|
|
|
|
struct __ec_todo_unpacked {
|
|
} set_activity;
|
|
|
|
/* Used for MOTIONSENSE_CMD_LID_ANGLE */
|
|
struct __ec_todo_unpacked {
|
|
/*
|
|
* Angle between 0 and 360 degree if available,
|
|
* LID_ANGLE_UNRELIABLE otherwise.
|
|
*/
|
|
uint16_t value;
|
|
} lid_angle;
|
|
};
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Force lid open command */
|
|
|
|
/* Make lid event always open */
|
|
#define EC_CMD_FORCE_LID_OPEN 0x002C
|
|
|
|
struct __ec_align1 ec_params_force_lid_open {
|
|
uint8_t enabled;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Configure the behavior of the power button */
|
|
#define EC_CMD_CONFIG_POWER_BUTTON 0x002D
|
|
|
|
enum ec_config_power_button_flags {
|
|
/* Enable/Disable power button pulses for x86 devices */
|
|
EC_POWER_BUTTON_ENABLE_PULSE = (1 << 0),
|
|
};
|
|
|
|
struct __ec_align1 ec_params_config_power_button {
|
|
/* See enum ec_config_power_button_flags */
|
|
uint8_t flags;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* USB charging control commands */
|
|
|
|
/* Set USB port charging mode */
|
|
#define EC_CMD_USB_CHARGE_SET_MODE 0x0030
|
|
|
|
struct __ec_align1 ec_params_usb_charge_set_mode {
|
|
uint8_t usb_port_id;
|
|
uint8_t mode;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Persistent storage for host */
|
|
|
|
/* Maximum bytes that can be read/written in a single command */
|
|
#define EC_PSTORE_SIZE_MAX 64
|
|
|
|
/* Get persistent storage info */
|
|
#define EC_CMD_PSTORE_INFO 0x0040
|
|
|
|
struct __ec_align4 ec_response_pstore_info {
|
|
/* Persistent storage size, in bytes */
|
|
uint32_t pstore_size;
|
|
/* Access size; read/write offset and size must be a multiple of this */
|
|
uint32_t access_size;
|
|
};
|
|
|
|
/*
|
|
* Read persistent storage
|
|
*
|
|
* Response is params.size bytes of data.
|
|
*/
|
|
#define EC_CMD_PSTORE_READ 0x0041
|
|
|
|
struct __ec_align4 ec_params_pstore_read {
|
|
uint32_t offset; /* Byte offset to read */
|
|
uint32_t size; /* Size to read in bytes */
|
|
};
|
|
|
|
/* Write persistent storage */
|
|
#define EC_CMD_PSTORE_WRITE 0x0042
|
|
|
|
struct __ec_align4 ec_params_pstore_write {
|
|
uint32_t offset; /* Byte offset to write */
|
|
uint32_t size; /* Size to write in bytes */
|
|
uint8_t data[EC_PSTORE_SIZE_MAX];
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Real-time clock */
|
|
|
|
/* RTC params and response structures */
|
|
struct __ec_align4 ec_params_rtc {
|
|
uint32_t time;
|
|
};
|
|
|
|
struct __ec_align4 ec_response_rtc {
|
|
uint32_t time;
|
|
};
|
|
|
|
/* These use ec_response_rtc */
|
|
#define EC_CMD_RTC_GET_VALUE 0x0044
|
|
#define EC_CMD_RTC_GET_ALARM 0x0045
|
|
|
|
/* These all use ec_params_rtc */
|
|
#define EC_CMD_RTC_SET_VALUE 0x0046
|
|
#define EC_CMD_RTC_SET_ALARM 0x0047
|
|
|
|
/* Pass as time param to SET_ALARM to clear the current alarm */
|
|
#define EC_RTC_ALARM_CLEAR 0
|
|
|
|
/*****************************************************************************/
|
|
/* Port80 log access */
|
|
|
|
/* Maximum entries that can be read/written in a single command */
|
|
#define EC_PORT80_SIZE_MAX 32
|
|
|
|
/* Get last port80 code from previous boot */
|
|
#define EC_CMD_PORT80_LAST_BOOT 0x0048
|
|
#define EC_CMD_PORT80_READ 0x0048
|
|
|
|
enum ec_port80_subcmd {
|
|
EC_PORT80_GET_INFO = 0,
|
|
EC_PORT80_READ_BUFFER,
|
|
};
|
|
|
|
struct __ec_todo_packed ec_params_port80_read {
|
|
uint16_t subcmd;
|
|
union {
|
|
struct __ec_todo_unpacked {
|
|
uint32_t offset;
|
|
uint32_t num_entries;
|
|
} read_buffer;
|
|
};
|
|
};
|
|
|
|
struct __ec_todo_packed ec_response_port80_read {
|
|
union {
|
|
struct __ec_todo_unpacked {
|
|
uint32_t writes;
|
|
uint32_t history_size;
|
|
uint32_t last_boot;
|
|
} get_info;
|
|
struct __ec_todo_unpacked {
|
|
uint16_t codes[EC_PORT80_SIZE_MAX];
|
|
} data;
|
|
};
|
|
};
|
|
|
|
struct __ec_align2 ec_response_port80_last_boot {
|
|
uint16_t code;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Temporary secure storage for host verified boot use */
|
|
|
|
/* Number of bytes in a vstore slot */
|
|
#define EC_VSTORE_SLOT_SIZE 64
|
|
|
|
/* Maximum number of vstore slots */
|
|
#define EC_VSTORE_SLOT_MAX 32
|
|
|
|
/* Get persistent storage info */
|
|
#define EC_CMD_VSTORE_INFO 0x0049
|
|
struct __ec_align_size1 ec_response_vstore_info {
|
|
/* Indicates which slots are locked */
|
|
uint32_t slot_locked;
|
|
/* Total number of slots available */
|
|
uint8_t slot_count;
|
|
};
|
|
|
|
/*
|
|
* Read temporary secure storage
|
|
*
|
|
* Response is EC_VSTORE_SLOT_SIZE bytes of data.
|
|
*/
|
|
#define EC_CMD_VSTORE_READ 0x004A
|
|
|
|
struct __ec_align1 ec_params_vstore_read {
|
|
uint8_t slot; /* Slot to read from */
|
|
};
|
|
|
|
struct __ec_align1 ec_response_vstore_read {
|
|
uint8_t data[EC_VSTORE_SLOT_SIZE];
|
|
};
|
|
|
|
/*
|
|
* Write temporary secure storage and lock it.
|
|
*/
|
|
#define EC_CMD_VSTORE_WRITE 0x004B
|
|
|
|
struct __ec_align1 ec_params_vstore_write {
|
|
uint8_t slot; /* Slot to write to */
|
|
uint8_t data[EC_VSTORE_SLOT_SIZE];
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Thermal engine commands. Note that there are two implementations. We'll
|
|
* reuse the command number, but the data and behavior is incompatible.
|
|
* Version 0 is what originally shipped on Link.
|
|
* Version 1 separates the CPU thermal limits from the fan control.
|
|
*/
|
|
|
|
#define EC_CMD_THERMAL_SET_THRESHOLD 0x0050
|
|
#define EC_CMD_THERMAL_GET_THRESHOLD 0x0051
|
|
|
|
/* The version 0 structs are opaque. You have to know what they are for
|
|
* the get/set commands to make any sense.
|
|
*/
|
|
|
|
/* Version 0 - set */
|
|
struct __ec_align2 ec_params_thermal_set_threshold {
|
|
uint8_t sensor_type;
|
|
uint8_t threshold_id;
|
|
uint16_t value;
|
|
};
|
|
|
|
/* Version 0 - get */
|
|
struct __ec_align1 ec_params_thermal_get_threshold {
|
|
uint8_t sensor_type;
|
|
uint8_t threshold_id;
|
|
};
|
|
|
|
struct __ec_align2 ec_response_thermal_get_threshold {
|
|
uint16_t value;
|
|
};
|
|
|
|
|
|
/* The version 1 structs are visible. */
|
|
enum ec_temp_thresholds {
|
|
EC_TEMP_THRESH_WARN = 0,
|
|
EC_TEMP_THRESH_HIGH,
|
|
EC_TEMP_THRESH_HALT,
|
|
|
|
EC_TEMP_THRESH_COUNT
|
|
};
|
|
|
|
/*
|
|
* Thermal configuration for one temperature sensor. Temps are in degrees K.
|
|
* Zero values will be silently ignored by the thermal task.
|
|
*
|
|
* Note that this structure is a sub-structure of
|
|
* ec_params_thermal_set_threshold_v1, but maintains its alignment there.
|
|
*/
|
|
struct __ec_align4 ec_thermal_config {
|
|
uint32_t temp_host[EC_TEMP_THRESH_COUNT]; /* levels of hotness */
|
|
uint32_t temp_fan_off; /* no active cooling needed */
|
|
uint32_t temp_fan_max; /* max active cooling needed */
|
|
};
|
|
|
|
/* Version 1 - get config for one sensor. */
|
|
struct __ec_align4 ec_params_thermal_get_threshold_v1 {
|
|
uint32_t sensor_num;
|
|
};
|
|
/* This returns a struct ec_thermal_config */
|
|
|
|
/* Version 1 - set config for one sensor.
|
|
* Use read-modify-write for best results! */
|
|
struct __ec_align4 ec_params_thermal_set_threshold_v1 {
|
|
uint32_t sensor_num;
|
|
struct ec_thermal_config cfg;
|
|
};
|
|
/* This returns no data */
|
|
|
|
/****************************************************************************/
|
|
|
|
/* Toggle automatic fan control */
|
|
#define EC_CMD_THERMAL_AUTO_FAN_CTRL 0x0052
|
|
|
|
/* Version 1 of input params */
|
|
struct __ec_align1 ec_params_auto_fan_ctrl_v1 {
|
|
uint8_t fan_idx;
|
|
};
|
|
|
|
/* Get/Set TMP006 calibration data */
|
|
#define EC_CMD_TMP006_GET_CALIBRATION 0x0053
|
|
#define EC_CMD_TMP006_SET_CALIBRATION 0x0054
|
|
|
|
/*
|
|
* The original TMP006 calibration only needed four params, but now we need
|
|
* more. Since the algorithm is nothing but magic numbers anyway, we'll leave
|
|
* the params opaque. The v1 "get" response will include the algorithm number
|
|
* and how many params it requires. That way we can change the EC code without
|
|
* needing to update this file. We can also use a different algorithm on each
|
|
* sensor.
|
|
*/
|
|
|
|
/* This is the same struct for both v0 and v1. */
|
|
struct __ec_align1 ec_params_tmp006_get_calibration {
|
|
uint8_t index;
|
|
};
|
|
|
|
/* Version 0 */
|
|
struct __ec_align4 ec_response_tmp006_get_calibration_v0 {
|
|
float s0;
|
|
float b0;
|
|
float b1;
|
|
float b2;
|
|
};
|
|
|
|
struct __ec_align4 ec_params_tmp006_set_calibration_v0 {
|
|
uint8_t index;
|
|
uint8_t reserved[3];
|
|
float s0;
|
|
float b0;
|
|
float b1;
|
|
float b2;
|
|
};
|
|
|
|
/* Version 1 */
|
|
struct __ec_align4 ec_response_tmp006_get_calibration_v1 {
|
|
uint8_t algorithm;
|
|
uint8_t num_params;
|
|
uint8_t reserved[2];
|
|
float val[0];
|
|
};
|
|
|
|
struct __ec_align4 ec_params_tmp006_set_calibration_v1 {
|
|
uint8_t index;
|
|
uint8_t algorithm;
|
|
uint8_t num_params;
|
|
uint8_t reserved;
|
|
float val[0];
|
|
};
|
|
|
|
|
|
/* Read raw TMP006 data */
|
|
#define EC_CMD_TMP006_GET_RAW 0x0055
|
|
|
|
struct __ec_align1 ec_params_tmp006_get_raw {
|
|
uint8_t index;
|
|
};
|
|
|
|
struct __ec_align4 ec_response_tmp006_get_raw {
|
|
int32_t t; /* In 1/100 K */
|
|
int32_t v; /* In nV */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* MKBP - Matrix KeyBoard Protocol */
|
|
|
|
/*
|
|
* Read key state
|
|
*
|
|
* Returns raw data for keyboard cols; see ec_response_mkbp_info.cols for
|
|
* expected response size.
|
|
*
|
|
* NOTE: This has been superseded by EC_CMD_MKBP_GET_NEXT_EVENT. If you wish
|
|
* to obtain the instantaneous state, use EC_CMD_MKBP_INFO with the type
|
|
* EC_MKBP_INFO_CURRENT and event EC_MKBP_EVENT_KEY_MATRIX.
|
|
*/
|
|
#define EC_CMD_MKBP_STATE 0x0060
|
|
|
|
/*
|
|
* Provide information about various MKBP things. See enum ec_mkbp_info_type.
|
|
*/
|
|
#define EC_CMD_MKBP_INFO 0x0061
|
|
|
|
struct __ec_align_size1 ec_response_mkbp_info {
|
|
uint32_t rows;
|
|
uint32_t cols;
|
|
/* Formerly "switches", which was 0. */
|
|
uint8_t reserved;
|
|
};
|
|
|
|
struct __ec_align1 ec_params_mkbp_info {
|
|
uint8_t info_type;
|
|
uint8_t event_type;
|
|
};
|
|
|
|
enum ec_mkbp_info_type {
|
|
/*
|
|
* Info about the keyboard matrix: number of rows and columns.
|
|
*
|
|
* Returns struct ec_response_mkbp_info.
|
|
*/
|
|
EC_MKBP_INFO_KBD = 0,
|
|
|
|
/*
|
|
* For buttons and switches, info about which specifically are
|
|
* supported. event_type must be set to one of the values in enum
|
|
* ec_mkbp_event.
|
|
*
|
|
* For EC_MKBP_EVENT_BUTTON and EC_MKBP_EVENT_SWITCH, returns a 4 byte
|
|
* bitmask indicating which buttons or switches are present. See the
|
|
* bit inidices below.
|
|
*/
|
|
EC_MKBP_INFO_SUPPORTED = 1,
|
|
|
|
/*
|
|
* Instantaneous state of buttons and switches.
|
|
*
|
|
* event_type must be set to one of the values in enum ec_mkbp_event.
|
|
*
|
|
* For EC_MKBP_EVENT_KEY_MATRIX, returns uint8_t key_matrix[13]
|
|
* indicating the current state of the keyboard matrix.
|
|
*
|
|
* For EC_MKBP_EVENT_HOST_EVENT, return uint32_t host_event, the raw
|
|
* event state.
|
|
*
|
|
* For EC_MKBP_EVENT_BUTTON, returns uint32_t buttons, indicating the
|
|
* state of supported buttons.
|
|
*
|
|
* For EC_MKBP_EVENT_SWITCH, returns uint32_t switches, indicating the
|
|
* state of supported switches.
|
|
*/
|
|
EC_MKBP_INFO_CURRENT = 2,
|
|
};
|
|
|
|
/* Simulate key press */
|
|
#define EC_CMD_MKBP_SIMULATE_KEY 0x0062
|
|
|
|
struct __ec_align1 ec_params_mkbp_simulate_key {
|
|
uint8_t col;
|
|
uint8_t row;
|
|
uint8_t pressed;
|
|
};
|
|
|
|
/* Configure keyboard scanning */
|
|
#define EC_CMD_MKBP_SET_CONFIG 0x0064
|
|
#define EC_CMD_MKBP_GET_CONFIG 0x0065
|
|
|
|
/* flags */
|
|
enum mkbp_config_flags {
|
|
EC_MKBP_FLAGS_ENABLE = 1, /* Enable keyboard scanning */
|
|
};
|
|
|
|
enum mkbp_config_valid {
|
|
EC_MKBP_VALID_SCAN_PERIOD = 1 << 0,
|
|
EC_MKBP_VALID_POLL_TIMEOUT = 1 << 1,
|
|
EC_MKBP_VALID_MIN_POST_SCAN_DELAY = 1 << 3,
|
|
EC_MKBP_VALID_OUTPUT_SETTLE = 1 << 4,
|
|
EC_MKBP_VALID_DEBOUNCE_DOWN = 1 << 5,
|
|
EC_MKBP_VALID_DEBOUNCE_UP = 1 << 6,
|
|
EC_MKBP_VALID_FIFO_MAX_DEPTH = 1 << 7,
|
|
};
|
|
|
|
/*
|
|
* Configuration for our key scanning algorithm.
|
|
*
|
|
* Note that this is used as a sub-structure of
|
|
* ec_{params/response}_mkbp_get_config.
|
|
*/
|
|
struct __ec_align_size1 ec_mkbp_config {
|
|
uint32_t valid_mask; /* valid fields */
|
|
uint8_t flags; /* some flags (enum mkbp_config_flags) */
|
|
uint8_t valid_flags; /* which flags are valid */
|
|
uint16_t scan_period_us; /* period between start of scans */
|
|
/* revert to interrupt mode after no activity for this long */
|
|
uint32_t poll_timeout_us;
|
|
/*
|
|
* minimum post-scan relax time. Once we finish a scan we check
|
|
* the time until we are due to start the next one. If this time is
|
|
* shorter this field, we use this instead.
|
|
*/
|
|
uint16_t min_post_scan_delay_us;
|
|
/* delay between setting up output and waiting for it to settle */
|
|
uint16_t output_settle_us;
|
|
uint16_t debounce_down_us; /* time for debounce on key down */
|
|
uint16_t debounce_up_us; /* time for debounce on key up */
|
|
/* maximum depth to allow for fifo (0 = no keyscan output) */
|
|
uint8_t fifo_max_depth;
|
|
};
|
|
|
|
struct __ec_align_size1 ec_params_mkbp_set_config {
|
|
struct ec_mkbp_config config;
|
|
};
|
|
|
|
struct __ec_align_size1 ec_response_mkbp_get_config {
|
|
struct ec_mkbp_config config;
|
|
};
|
|
|
|
/* Run the key scan emulation */
|
|
#define EC_CMD_KEYSCAN_SEQ_CTRL 0x0066
|
|
|
|
enum ec_keyscan_seq_cmd {
|
|
EC_KEYSCAN_SEQ_STATUS = 0, /* Get status information */
|
|
EC_KEYSCAN_SEQ_CLEAR = 1, /* Clear sequence */
|
|
EC_KEYSCAN_SEQ_ADD = 2, /* Add item to sequence */
|
|
EC_KEYSCAN_SEQ_START = 3, /* Start running sequence */
|
|
EC_KEYSCAN_SEQ_COLLECT = 4, /* Collect sequence summary data */
|
|
};
|
|
|
|
enum ec_collect_flags {
|
|
/*
|
|
* Indicates this scan was processed by the EC. Due to timing, some
|
|
* scans may be skipped.
|
|
*/
|
|
EC_KEYSCAN_SEQ_FLAG_DONE = 1 << 0,
|
|
};
|
|
|
|
struct __ec_align1 ec_collect_item {
|
|
uint8_t flags; /* some flags (enum ec_collect_flags) */
|
|
};
|
|
|
|
struct __ec_todo_packed ec_params_keyscan_seq_ctrl {
|
|
uint8_t cmd; /* Command to send (enum ec_keyscan_seq_cmd) */
|
|
union {
|
|
struct __ec_align1 {
|
|
uint8_t active; /* still active */
|
|
uint8_t num_items; /* number of items */
|
|
/* Current item being presented */
|
|
uint8_t cur_item;
|
|
} status;
|
|
struct __ec_todo_unpacked {
|
|
/*
|
|
* Absolute time for this scan, measured from the
|
|
* start of the sequence.
|
|
*/
|
|
uint32_t time_us;
|
|
uint8_t scan[0]; /* keyscan data */
|
|
} add;
|
|
struct __ec_align1 {
|
|
uint8_t start_item; /* First item to return */
|
|
uint8_t num_items; /* Number of items to return */
|
|
} collect;
|
|
};
|
|
};
|
|
|
|
struct __ec_todo_packed ec_result_keyscan_seq_ctrl {
|
|
union {
|
|
struct __ec_todo_unpacked {
|
|
uint8_t num_items; /* Number of items */
|
|
/* Data for each item */
|
|
struct ec_collect_item item[0];
|
|
} collect;
|
|
};
|
|
};
|
|
|
|
/*
|
|
* Get the next pending MKBP event.
|
|
*
|
|
* Returns EC_RES_UNAVAILABLE if there is no event pending.
|
|
*/
|
|
#define EC_CMD_GET_NEXT_EVENT 0x0067
|
|
|
|
enum ec_mkbp_event {
|
|
/* Keyboard matrix changed. The event data is the new matrix state. */
|
|
EC_MKBP_EVENT_KEY_MATRIX = 0,
|
|
|
|
/* New host event. The event data is 4 bytes of host event flags. */
|
|
EC_MKBP_EVENT_HOST_EVENT = 1,
|
|
|
|
/* New Sensor FIFO data. The event data is fifo_info structure. */
|
|
EC_MKBP_EVENT_SENSOR_FIFO = 2,
|
|
|
|
/* The state of the non-matrixed buttons have changed. */
|
|
EC_MKBP_EVENT_BUTTON = 3,
|
|
|
|
/* The state of the switches have changed. */
|
|
EC_MKBP_EVENT_SWITCH = 4,
|
|
|
|
/* New Fingerprint sensor event, the event data is fp_events bitmap. */
|
|
EC_MKBP_EVENT_FINGERPRINT = 5,
|
|
|
|
/*
|
|
* Sysrq event: send emulated sysrq. The event data is sysrq,
|
|
* corresponding to the key to be pressed.
|
|
*/
|
|
EC_MKBP_EVENT_SYSRQ = 6,
|
|
|
|
/* Number of MKBP events */
|
|
EC_MKBP_EVENT_COUNT,
|
|
};
|
|
|
|
union __ec_align_offset1 ec_response_get_next_data {
|
|
uint8_t key_matrix[13];
|
|
|
|
/* Unaligned */
|
|
uint32_t host_event;
|
|
|
|
struct __ec_todo_unpacked {
|
|
/* For aligning the fifo_info */
|
|
uint8_t reserved[3];
|
|
struct ec_response_motion_sense_fifo_info info;
|
|
} sensor_fifo;
|
|
|
|
uint32_t buttons;
|
|
|
|
uint32_t switches;
|
|
|
|
uint32_t fp_events;
|
|
|
|
uint32_t sysrq;
|
|
};
|
|
|
|
struct __ec_align1 ec_response_get_next_event {
|
|
uint8_t event_type;
|
|
/* Followed by event data if any */
|
|
union ec_response_get_next_data data;
|
|
};
|
|
|
|
/* Bit indices for buttons and switches.*/
|
|
/* Buttons */
|
|
#define EC_MKBP_POWER_BUTTON 0
|
|
#define EC_MKBP_VOL_UP 1
|
|
#define EC_MKBP_VOL_DOWN 2
|
|
#define EC_MKBP_RECOVERY 3
|
|
|
|
/* Switches */
|
|
#define EC_MKBP_LID_OPEN 0
|
|
#define EC_MKBP_TABLET_MODE 1
|
|
|
|
/* Run keyboard factory test scanning */
|
|
#define EC_CMD_KEYBOARD_FACTORY_TEST 0x0068
|
|
|
|
struct __ec_align2 ec_response_keyboard_factory_test {
|
|
uint16_t shorted; /* Keyboard pins are shorted */
|
|
};
|
|
|
|
/* Fingerprint events in 'fp_events' for EC_MKBP_EVENT_FINGERPRINT */
|
|
#define EC_MKBP_FP_RAW_EVENT(fp_events) ((fp_events) & 0x00FFFFFF)
|
|
#define EC_MKBP_FP_FINGER_DOWN (1 << 29)
|
|
#define EC_MKBP_FP_FINGER_UP (1 << 30)
|
|
#define EC_MKBP_FP_IMAGE_READY (1 << 31)
|
|
|
|
/*****************************************************************************/
|
|
/* Temperature sensor commands */
|
|
|
|
/* Read temperature sensor info */
|
|
#define EC_CMD_TEMP_SENSOR_GET_INFO 0x0070
|
|
|
|
struct __ec_align1 ec_params_temp_sensor_get_info {
|
|
uint8_t id;
|
|
};
|
|
|
|
struct __ec_align1 ec_response_temp_sensor_get_info {
|
|
char sensor_name[32];
|
|
uint8_t sensor_type;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Note: host commands 0x80 - 0x87 are reserved to avoid conflict with ACPI
|
|
* commands accidentally sent to the wrong interface. See the ACPI section
|
|
* below.
|
|
*/
|
|
|
|
/*****************************************************************************/
|
|
/* Host event commands */
|
|
|
|
|
|
/* Obsolete. New implementation should use EC_CMD_PROGRAM_HOST_EVENT instead */
|
|
/*
|
|
* Host event mask params and response structures, shared by all of the host
|
|
* event commands below.
|
|
*/
|
|
struct __ec_align4 ec_params_host_event_mask {
|
|
uint32_t mask;
|
|
};
|
|
|
|
struct __ec_align4 ec_response_host_event_mask {
|
|
uint32_t mask;
|
|
};
|
|
|
|
/* These all use ec_response_host_event_mask */
|
|
#define EC_CMD_HOST_EVENT_GET_B 0x0087
|
|
#define EC_CMD_HOST_EVENT_GET_SMI_MASK 0x0088
|
|
#define EC_CMD_HOST_EVENT_GET_SCI_MASK 0x0089
|
|
#define EC_CMD_HOST_EVENT_GET_WAKE_MASK 0x008D
|
|
|
|
/* These all use ec_params_host_event_mask */
|
|
#define EC_CMD_HOST_EVENT_SET_SMI_MASK 0x008A
|
|
#define EC_CMD_HOST_EVENT_SET_SCI_MASK 0x008B
|
|
#define EC_CMD_HOST_EVENT_CLEAR 0x008C
|
|
#define EC_CMD_HOST_EVENT_SET_WAKE_MASK 0x008E
|
|
#define EC_CMD_HOST_EVENT_CLEAR_B 0x008F
|
|
|
|
/*
|
|
* Unified host event programming interface - Should be used by newer versions
|
|
* of BIOS/OS to program host events and masks
|
|
*/
|
|
|
|
struct __ec_align4 ec_params_host_event {
|
|
|
|
/* Action requested by host - one of enum ec_host_event_action. */
|
|
uint8_t action;
|
|
|
|
/*
|
|
* Mask type that the host requested the action on - one of
|
|
* enum ec_host_event_mask_type.
|
|
*/
|
|
uint8_t mask_type;
|
|
|
|
/* Set to 0, ignore on read */
|
|
uint16_t reserved;
|
|
|
|
/* Value to be used in case of set operations. */
|
|
uint64_t value;
|
|
};
|
|
|
|
/*
|
|
* Response structure returned by EC_CMD_HOST_EVENT.
|
|
* Update the value on a GET request. Set to 0 on GET/CLEAR
|
|
*/
|
|
|
|
struct __ec_align4 ec_response_host_event {
|
|
|
|
/* Mask value in case of get operation */
|
|
uint64_t value;
|
|
};
|
|
|
|
enum ec_host_event_action {
|
|
/*
|
|
* params.value is ignored. Value of mask_type populated
|
|
* in response.value
|
|
*/
|
|
EC_HOST_EVENT_GET,
|
|
|
|
/* Bits in params.value are set */
|
|
EC_HOST_EVENT_SET,
|
|
|
|
/* Bits in params.value are cleared */
|
|
EC_HOST_EVENT_CLEAR,
|
|
};
|
|
|
|
enum ec_host_event_mask_type {
|
|
|
|
/* Main host event copy */
|
|
EC_HOST_EVENT_MAIN,
|
|
|
|
/* Copy B of host events */
|
|
EC_HOST_EVENT_B,
|
|
|
|
/* SCI Mask */
|
|
EC_HOST_EVENT_SCI_MASK,
|
|
|
|
/* SMI Mask */
|
|
EC_HOST_EVENT_SMI_MASK,
|
|
|
|
/* Mask of events that should be always reported in hostevents */
|
|
EC_HOST_EVENT_ALWAYS_REPORT_MASK,
|
|
|
|
/* Active wake mask */
|
|
EC_HOST_EVENT_ACTIVE_WAKE_MASK,
|
|
|
|
/* Lazy wake mask for S0ix */
|
|
EC_HOST_EVENT_LAZY_WAKE_MASK_S0IX,
|
|
|
|
/* Lazy wake mask for S3 */
|
|
EC_HOST_EVENT_LAZY_WAKE_MASK_S3,
|
|
|
|
/* Lazy wake mask for S5 */
|
|
EC_HOST_EVENT_LAZY_WAKE_MASK_S5,
|
|
};
|
|
|
|
#define EC_CMD_HOST_EVENT 0x00A4
|
|
|
|
/*****************************************************************************/
|
|
/* Switch commands */
|
|
|
|
/* Enable/disable LCD backlight */
|
|
#define EC_CMD_SWITCH_ENABLE_BKLIGHT 0x0090
|
|
|
|
struct __ec_align1 ec_params_switch_enable_backlight {
|
|
uint8_t enabled;
|
|
};
|
|
|
|
/* Enable/disable WLAN/Bluetooth */
|
|
#define EC_CMD_SWITCH_ENABLE_WIRELESS 0x0091
|
|
#define EC_VER_SWITCH_ENABLE_WIRELESS 1
|
|
|
|
/* Version 0 params; no response */
|
|
struct __ec_align1 ec_params_switch_enable_wireless_v0 {
|
|
uint8_t enabled;
|
|
};
|
|
|
|
/* Version 1 params */
|
|
struct __ec_align1 ec_params_switch_enable_wireless_v1 {
|
|
/* Flags to enable now */
|
|
uint8_t now_flags;
|
|
|
|
/* Which flags to copy from now_flags */
|
|
uint8_t now_mask;
|
|
|
|
/*
|
|
* Flags to leave enabled in S3, if they're on at the S0->S3
|
|
* transition. (Other flags will be disabled by the S0->S3
|
|
* transition.)
|
|
*/
|
|
uint8_t suspend_flags;
|
|
|
|
/* Which flags to copy from suspend_flags */
|
|
uint8_t suspend_mask;
|
|
};
|
|
|
|
/* Version 1 response */
|
|
struct __ec_align1 ec_response_switch_enable_wireless_v1 {
|
|
/* Flags to enable now */
|
|
uint8_t now_flags;
|
|
|
|
/* Flags to leave enabled in S3 */
|
|
uint8_t suspend_flags;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* GPIO commands. Only available on EC if write protect has been disabled. */
|
|
|
|
/* Set GPIO output value */
|
|
#define EC_CMD_GPIO_SET 0x0092
|
|
|
|
struct __ec_align1 ec_params_gpio_set {
|
|
char name[32];
|
|
uint8_t val;
|
|
};
|
|
|
|
/* Get GPIO value */
|
|
#define EC_CMD_GPIO_GET 0x0093
|
|
|
|
/* Version 0 of input params and response */
|
|
struct __ec_align1 ec_params_gpio_get {
|
|
char name[32];
|
|
};
|
|
|
|
struct __ec_align1 ec_response_gpio_get {
|
|
uint8_t val;
|
|
};
|
|
|
|
/* Version 1 of input params and response */
|
|
struct __ec_align1 ec_params_gpio_get_v1 {
|
|
uint8_t subcmd;
|
|
union {
|
|
struct __ec_align1 {
|
|
char name[32];
|
|
} get_value_by_name;
|
|
struct __ec_align1 {
|
|
uint8_t index;
|
|
} get_info;
|
|
};
|
|
};
|
|
|
|
struct __ec_todo_packed ec_response_gpio_get_v1 {
|
|
union {
|
|
struct __ec_align1 {
|
|
uint8_t val;
|
|
} get_value_by_name, get_count;
|
|
struct __ec_todo_unpacked {
|
|
uint8_t val;
|
|
char name[32];
|
|
uint32_t flags;
|
|
} get_info;
|
|
};
|
|
};
|
|
|
|
enum gpio_get_subcmd {
|
|
EC_GPIO_GET_BY_NAME = 0,
|
|
EC_GPIO_GET_COUNT = 1,
|
|
EC_GPIO_GET_INFO = 2,
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* I2C commands. Only available when flash write protect is unlocked. */
|
|
|
|
/*
|
|
* CAUTION: These commands are deprecated, and are not supported anymore in EC
|
|
* builds >= 8398.0.0 (see crosbug.com/p/23570).
|
|
*
|
|
* Use EC_CMD_I2C_PASSTHRU instead.
|
|
*/
|
|
|
|
/* Read I2C bus */
|
|
#define EC_CMD_I2C_READ 0x0094
|
|
|
|
struct __ec_align_size1 ec_params_i2c_read {
|
|
uint16_t addr; /* 8-bit address (7-bit shifted << 1) */
|
|
uint8_t read_size; /* Either 8 or 16. */
|
|
uint8_t port;
|
|
uint8_t offset;
|
|
};
|
|
|
|
struct __ec_align2 ec_response_i2c_read {
|
|
uint16_t data;
|
|
};
|
|
|
|
/* Write I2C bus */
|
|
#define EC_CMD_I2C_WRITE 0x0095
|
|
|
|
struct __ec_align_size1 ec_params_i2c_write {
|
|
uint16_t data;
|
|
uint16_t addr; /* 8-bit address (7-bit shifted << 1) */
|
|
uint8_t write_size; /* Either 8 or 16. */
|
|
uint8_t port;
|
|
uint8_t offset;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Charge state commands. Only available when flash write protect unlocked. */
|
|
|
|
/* Force charge state machine to stop charging the battery or force it to
|
|
* discharge the battery.
|
|
*/
|
|
#define EC_CMD_CHARGE_CONTROL 0x0096
|
|
#define EC_VER_CHARGE_CONTROL 1
|
|
|
|
enum ec_charge_control_mode {
|
|
CHARGE_CONTROL_NORMAL = 0,
|
|
CHARGE_CONTROL_IDLE,
|
|
CHARGE_CONTROL_DISCHARGE,
|
|
};
|
|
|
|
struct __ec_align4 ec_params_charge_control {
|
|
uint32_t mode; /* enum charge_control_mode */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Console commands. Only available when flash write protect is unlocked. */
|
|
|
|
/* Snapshot console output buffer for use by EC_CMD_CONSOLE_READ. */
|
|
#define EC_CMD_CONSOLE_SNAPSHOT 0x0097
|
|
|
|
/*
|
|
* Read data from the saved snapshot. If the subcmd parameter is
|
|
* CONSOLE_READ_NEXT, this will return data starting from the beginning of
|
|
* the latest snapshot. If it is CONSOLE_READ_RECENT, it will start from the
|
|
* end of the previous snapshot.
|
|
*
|
|
* The params are only looked at in version >= 1 of this command. Prior
|
|
* versions will just default to CONSOLE_READ_NEXT behavior.
|
|
*
|
|
* Response is null-terminated string. Empty string, if there is no more
|
|
* remaining output.
|
|
*/
|
|
#define EC_CMD_CONSOLE_READ 0x0098
|
|
|
|
enum ec_console_read_subcmd {
|
|
CONSOLE_READ_NEXT = 0,
|
|
CONSOLE_READ_RECENT
|
|
};
|
|
|
|
struct __ec_align1 ec_params_console_read_v1 {
|
|
uint8_t subcmd; /* enum ec_console_read_subcmd */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* Cut off battery power immediately or after the host has shut down.
|
|
*
|
|
* return EC_RES_INVALID_COMMAND if unsupported by a board/battery.
|
|
* EC_RES_SUCCESS if the command was successful.
|
|
* EC_RES_ERROR if the cut off command failed.
|
|
*/
|
|
#define EC_CMD_BATTERY_CUT_OFF 0x0099
|
|
|
|
#define EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN (1 << 0)
|
|
|
|
struct __ec_align1 ec_params_battery_cutoff {
|
|
uint8_t flags;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* USB port mux control. */
|
|
|
|
/*
|
|
* Switch USB mux or return to automatic switching.
|
|
*/
|
|
#define EC_CMD_USB_MUX 0x009A
|
|
|
|
struct __ec_align1 ec_params_usb_mux {
|
|
uint8_t mux;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* LDOs / FETs control. */
|
|
|
|
enum ec_ldo_state {
|
|
EC_LDO_STATE_OFF = 0, /* the LDO / FET is shut down */
|
|
EC_LDO_STATE_ON = 1, /* the LDO / FET is ON / providing power */
|
|
};
|
|
|
|
/*
|
|
* Switch on/off a LDO.
|
|
*/
|
|
#define EC_CMD_LDO_SET 0x009B
|
|
|
|
struct __ec_align1 ec_params_ldo_set {
|
|
uint8_t index;
|
|
uint8_t state;
|
|
};
|
|
|
|
/*
|
|
* Get LDO state.
|
|
*/
|
|
#define EC_CMD_LDO_GET 0x009C
|
|
|
|
struct __ec_align1 ec_params_ldo_get {
|
|
uint8_t index;
|
|
};
|
|
|
|
struct __ec_align1 ec_response_ldo_get {
|
|
uint8_t state;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Power info. */
|
|
|
|
/*
|
|
* Get power info.
|
|
*/
|
|
#define EC_CMD_POWER_INFO 0x009D
|
|
|
|
struct __ec_align4 ec_response_power_info {
|
|
uint32_t usb_dev_type;
|
|
uint16_t voltage_ac;
|
|
uint16_t voltage_system;
|
|
uint16_t current_system;
|
|
uint16_t usb_current_limit;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* I2C passthru command */
|
|
|
|
#define EC_CMD_I2C_PASSTHRU 0x009E
|
|
|
|
/* Read data; if not present, message is a write */
|
|
#define EC_I2C_FLAG_READ (1 << 15)
|
|
|
|
/* Mask for address */
|
|
#define EC_I2C_ADDR_MASK 0x3ff
|
|
|
|
#define EC_I2C_STATUS_NAK (1 << 0) /* Transfer was not acknowledged */
|
|
#define EC_I2C_STATUS_TIMEOUT (1 << 1) /* Timeout during transfer */
|
|
|
|
/* Any error */
|
|
#define EC_I2C_STATUS_ERROR (EC_I2C_STATUS_NAK | EC_I2C_STATUS_TIMEOUT)
|
|
|
|
struct __ec_align2 ec_params_i2c_passthru_msg {
|
|
uint16_t addr_flags; /* I2C slave address (7 or 10 bits) and flags */
|
|
uint16_t len; /* Number of bytes to read or write */
|
|
};
|
|
|
|
struct __ec_align2 ec_params_i2c_passthru {
|
|
uint8_t port; /* I2C port number */
|
|
uint8_t num_msgs; /* Number of messages */
|
|
struct ec_params_i2c_passthru_msg msg[];
|
|
/* Data to write for all messages is concatenated here */
|
|
};
|
|
|
|
struct __ec_align1 ec_response_i2c_passthru {
|
|
uint8_t i2c_status; /* Status flags (EC_I2C_STATUS_...) */
|
|
uint8_t num_msgs; /* Number of messages processed */
|
|
uint8_t data[]; /* Data read by messages concatenated here */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Power button hang detect */
|
|
|
|
#define EC_CMD_HANG_DETECT 0x009F
|
|
|
|
/* Reasons to start hang detection timer */
|
|
/* Power button pressed */
|
|
#define EC_HANG_START_ON_POWER_PRESS (1 << 0)
|
|
|
|
/* Lid closed */
|
|
#define EC_HANG_START_ON_LID_CLOSE (1 << 1)
|
|
|
|
/* Lid opened */
|
|
#define EC_HANG_START_ON_LID_OPEN (1 << 2)
|
|
|
|
/* Start of AP S3->S0 transition (booting or resuming from suspend) */
|
|
#define EC_HANG_START_ON_RESUME (1 << 3)
|
|
|
|
/* Reasons to cancel hang detection */
|
|
|
|
/* Power button released */
|
|
#define EC_HANG_STOP_ON_POWER_RELEASE (1 << 8)
|
|
|
|
/* Any host command from AP received */
|
|
#define EC_HANG_STOP_ON_HOST_COMMAND (1 << 9)
|
|
|
|
/* Stop on end of AP S0->S3 transition (suspending or shutting down) */
|
|
#define EC_HANG_STOP_ON_SUSPEND (1 << 10)
|
|
|
|
/*
|
|
* If this flag is set, all the other fields are ignored, and the hang detect
|
|
* timer is started. This provides the AP a way to start the hang timer
|
|
* without reconfiguring any of the other hang detect settings. Note that
|
|
* you must previously have configured the timeouts.
|
|
*/
|
|
#define EC_HANG_START_NOW (1 << 30)
|
|
|
|
/*
|
|
* If this flag is set, all the other fields are ignored (including
|
|
* EC_HANG_START_NOW). This provides the AP a way to stop the hang timer
|
|
* without reconfiguring any of the other hang detect settings.
|
|
*/
|
|
#define EC_HANG_STOP_NOW (1 << 31)
|
|
|
|
struct __ec_align4 ec_params_hang_detect {
|
|
/* Flags; see EC_HANG_* */
|
|
uint32_t flags;
|
|
|
|
/* Timeout in msec before generating host event, if enabled */
|
|
uint16_t host_event_timeout_msec;
|
|
|
|
/* Timeout in msec before generating warm reboot, if enabled */
|
|
uint16_t warm_reboot_timeout_msec;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Commands for battery charging */
|
|
|
|
/*
|
|
* This is the single catch-all host command to exchange data regarding the
|
|
* charge state machine (v2 and up).
|
|
*/
|
|
#define EC_CMD_CHARGE_STATE 0x00A0
|
|
|
|
/* Subcommands for this host command */
|
|
enum charge_state_command {
|
|
CHARGE_STATE_CMD_GET_STATE,
|
|
CHARGE_STATE_CMD_GET_PARAM,
|
|
CHARGE_STATE_CMD_SET_PARAM,
|
|
CHARGE_STATE_NUM_CMDS
|
|
};
|
|
|
|
/*
|
|
* Known param numbers are defined here. Ranges are reserved for board-specific
|
|
* params, which are handled by the particular implementations.
|
|
*/
|
|
enum charge_state_params {
|
|
CS_PARAM_CHG_VOLTAGE, /* charger voltage limit */
|
|
CS_PARAM_CHG_CURRENT, /* charger current limit */
|
|
CS_PARAM_CHG_INPUT_CURRENT, /* charger input current limit */
|
|
CS_PARAM_CHG_STATUS, /* charger-specific status */
|
|
CS_PARAM_CHG_OPTION, /* charger-specific options */
|
|
CS_PARAM_LIMIT_POWER, /*
|
|
* Check if power is limited due to
|
|
* low battery and / or a weak external
|
|
* charger. READ ONLY.
|
|
*/
|
|
/* How many so far? */
|
|
CS_NUM_BASE_PARAMS,
|
|
|
|
/* Range for CONFIG_CHARGER_PROFILE_OVERRIDE params */
|
|
CS_PARAM_CUSTOM_PROFILE_MIN = 0x10000,
|
|
CS_PARAM_CUSTOM_PROFILE_MAX = 0x1ffff,
|
|
|
|
/* Other custom param ranges go here... */
|
|
};
|
|
|
|
struct __ec_todo_packed ec_params_charge_state {
|
|
uint8_t cmd; /* enum charge_state_command */
|
|
union {
|
|
struct __ec_align1 {
|
|
/* no args */
|
|
} get_state;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint32_t param; /* enum charge_state_param */
|
|
} get_param;
|
|
|
|
struct __ec_todo_unpacked {
|
|
uint32_t param; /* param to set */
|
|
uint32_t value; /* value to set */
|
|
} set_param;
|
|
};
|
|
};
|
|
|
|
struct __ec_align4 ec_response_charge_state {
|
|
union {
|
|
struct __ec_align4 {
|
|
int ac;
|
|
int chg_voltage;
|
|
int chg_current;
|
|
int chg_input_current;
|
|
int batt_state_of_charge;
|
|
} get_state;
|
|
|
|
struct __ec_align4 {
|
|
uint32_t value;
|
|
} get_param;
|
|
struct __ec_align4 {
|
|
/* no return values */
|
|
} set_param;
|
|
};
|
|
};
|
|
|
|
|
|
/*
|
|
* Set maximum battery charging current.
|
|
*/
|
|
#define EC_CMD_CHARGE_CURRENT_LIMIT 0x00A1
|
|
|
|
struct __ec_align4 ec_params_current_limit {
|
|
uint32_t limit; /* in mA */
|
|
};
|
|
|
|
/*
|
|
* Set maximum external voltage / current.
|
|
*/
|
|
#define EC_CMD_EXTERNAL_POWER_LIMIT 0x00A2
|
|
|
|
/* Command v0 is used only on Spring and is obsolete + unsupported */
|
|
struct __ec_align2 ec_params_external_power_limit_v1 {
|
|
uint16_t current_lim; /* in mA, or EC_POWER_LIMIT_NONE to clear limit */
|
|
uint16_t voltage_lim; /* in mV, or EC_POWER_LIMIT_NONE to clear limit */
|
|
};
|
|
|
|
#define EC_POWER_LIMIT_NONE 0xffff
|
|
|
|
/*
|
|
* Set maximum voltage & current of a dedicated charge port
|
|
*/
|
|
#define EC_CMD_OVERRIDE_DEDICATED_CHARGER_LIMIT 0x00A3
|
|
|
|
struct __ec_align2 ec_params_dedicated_charger_limit {
|
|
uint16_t current_lim; /* in mA */
|
|
uint16_t voltage_lim; /* in mV */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Hibernate/Deep Sleep Commands */
|
|
|
|
/* Set the delay before going into hibernation. */
|
|
#define EC_CMD_HIBERNATION_DELAY 0x00A8
|
|
|
|
struct __ec_align4 ec_params_hibernation_delay {
|
|
/*
|
|
* Seconds to wait in G3 before hibernate. Pass in 0 to read the
|
|
* current settings without changing them.
|
|
*/
|
|
uint32_t seconds;
|
|
};
|
|
|
|
struct __ec_align4 ec_response_hibernation_delay {
|
|
/*
|
|
* The current time in seconds in which the system has been in the G3
|
|
* state. This value is reset if the EC transitions out of G3.
|
|
*/
|
|
uint32_t time_g3;
|
|
|
|
/*
|
|
* The current time remaining in seconds until the EC should hibernate.
|
|
* This value is also reset if the EC transitions out of G3.
|
|
*/
|
|
uint32_t time_remaining;
|
|
|
|
/*
|
|
* The current time in seconds that the EC should wait in G3 before
|
|
* hibernating.
|
|
*/
|
|
uint32_t hibernate_delay;
|
|
};
|
|
|
|
/* Inform the EC when entering a sleep state */
|
|
#define EC_CMD_HOST_SLEEP_EVENT 0x00A9
|
|
|
|
enum host_sleep_event {
|
|
HOST_SLEEP_EVENT_S3_SUSPEND = 1,
|
|
HOST_SLEEP_EVENT_S3_RESUME = 2,
|
|
HOST_SLEEP_EVENT_S0IX_SUSPEND = 3,
|
|
HOST_SLEEP_EVENT_S0IX_RESUME = 4
|
|
};
|
|
|
|
struct __ec_align1 ec_params_host_sleep_event {
|
|
uint8_t sleep_event;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Device events */
|
|
#define EC_CMD_DEVICE_EVENT 0x00AA
|
|
|
|
enum ec_device_event {
|
|
EC_DEVICE_EVENT_TRACKPAD,
|
|
EC_DEVICE_EVENT_DSP,
|
|
EC_DEVICE_EVENT_WIFI,
|
|
};
|
|
|
|
enum ec_device_event_param {
|
|
/* Get and clear pending device events */
|
|
EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS,
|
|
/* Get device event mask */
|
|
EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS,
|
|
/* Set device event mask */
|
|
EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS,
|
|
};
|
|
|
|
#define EC_DEVICE_EVENT_MASK(event_code) (1UL << (event_code % 32))
|
|
|
|
struct __ec_align_size1 ec_params_device_event {
|
|
uint32_t event_mask;
|
|
uint8_t param;
|
|
};
|
|
|
|
struct __ec_align4 ec_response_device_event {
|
|
uint32_t event_mask;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Smart battery pass-through */
|
|
|
|
/* Get / Set 16-bit smart battery registers */
|
|
#define EC_CMD_SB_READ_WORD 0x00B0
|
|
#define EC_CMD_SB_WRITE_WORD 0x00B1
|
|
|
|
/* Get / Set string smart battery parameters
|
|
* formatted as SMBUS "block".
|
|
*/
|
|
#define EC_CMD_SB_READ_BLOCK 0x00B2
|
|
#define EC_CMD_SB_WRITE_BLOCK 0x00B3
|
|
|
|
struct __ec_align1 ec_params_sb_rd {
|
|
uint8_t reg;
|
|
};
|
|
|
|
struct __ec_align2 ec_response_sb_rd_word {
|
|
uint16_t value;
|
|
};
|
|
|
|
struct __ec_align1 ec_params_sb_wr_word {
|
|
uint8_t reg;
|
|
uint16_t value;
|
|
};
|
|
|
|
struct __ec_align1 ec_response_sb_rd_block {
|
|
uint8_t data[32];
|
|
};
|
|
|
|
struct __ec_align1 ec_params_sb_wr_block {
|
|
uint8_t reg;
|
|
uint16_t data[32];
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Battery vendor parameters
|
|
*
|
|
* Get or set vendor-specific parameters in the battery. Implementations may
|
|
* differ between boards or batteries. On a set operation, the response
|
|
* contains the actual value set, which may be rounded or clipped from the
|
|
* requested value.
|
|
*/
|
|
|
|
#define EC_CMD_BATTERY_VENDOR_PARAM 0x00B4
|
|
|
|
enum ec_battery_vendor_param_mode {
|
|
BATTERY_VENDOR_PARAM_MODE_GET = 0,
|
|
BATTERY_VENDOR_PARAM_MODE_SET,
|
|
};
|
|
|
|
struct __ec_align_size1 ec_params_battery_vendor_param {
|
|
uint32_t param;
|
|
uint32_t value;
|
|
uint8_t mode;
|
|
};
|
|
|
|
struct __ec_align4 ec_response_battery_vendor_param {
|
|
uint32_t value;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Smart Battery Firmware Update Commands
|
|
*/
|
|
#define EC_CMD_SB_FW_UPDATE 0x00B5
|
|
|
|
enum ec_sb_fw_update_subcmd {
|
|
EC_SB_FW_UPDATE_PREPARE = 0x0,
|
|
EC_SB_FW_UPDATE_INFO = 0x1, /*query sb info */
|
|
EC_SB_FW_UPDATE_BEGIN = 0x2, /*check if protected */
|
|
EC_SB_FW_UPDATE_WRITE = 0x3, /*check if protected */
|
|
EC_SB_FW_UPDATE_END = 0x4,
|
|
EC_SB_FW_UPDATE_STATUS = 0x5,
|
|
EC_SB_FW_UPDATE_PROTECT = 0x6,
|
|
EC_SB_FW_UPDATE_MAX = 0x7,
|
|
};
|
|
|
|
#define SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE 32
|
|
#define SB_FW_UPDATE_CMD_STATUS_SIZE 2
|
|
#define SB_FW_UPDATE_CMD_INFO_SIZE 8
|
|
|
|
struct __ec_align4 ec_sb_fw_update_header {
|
|
uint16_t subcmd; /* enum ec_sb_fw_update_subcmd */
|
|
uint16_t fw_id; /* firmware id */
|
|
};
|
|
|
|
struct __ec_align4 ec_params_sb_fw_update {
|
|
struct ec_sb_fw_update_header hdr;
|
|
union {
|
|
/* EC_SB_FW_UPDATE_PREPARE = 0x0 */
|
|
/* EC_SB_FW_UPDATE_INFO = 0x1 */
|
|
/* EC_SB_FW_UPDATE_BEGIN = 0x2 */
|
|
/* EC_SB_FW_UPDATE_END = 0x4 */
|
|
/* EC_SB_FW_UPDATE_STATUS = 0x5 */
|
|
/* EC_SB_FW_UPDATE_PROTECT = 0x6 */
|
|
struct __ec_align4 {
|
|
/* no args */
|
|
} dummy;
|
|
|
|
/* EC_SB_FW_UPDATE_WRITE = 0x3 */
|
|
struct __ec_align4 {
|
|
uint8_t data[SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE];
|
|
} write;
|
|
};
|
|
};
|
|
|
|
struct __ec_align1 ec_response_sb_fw_update {
|
|
union {
|
|
/* EC_SB_FW_UPDATE_INFO = 0x1 */
|
|
struct __ec_align1 {
|
|
uint8_t data[SB_FW_UPDATE_CMD_INFO_SIZE];
|
|
} info;
|
|
|
|
/* EC_SB_FW_UPDATE_STATUS = 0x5 */
|
|
struct __ec_align1 {
|
|
uint8_t data[SB_FW_UPDATE_CMD_STATUS_SIZE];
|
|
} status;
|
|
};
|
|
};
|
|
|
|
/*
|
|
* Entering Verified Boot Mode Command
|
|
* Default mode is VBOOT_MODE_NORMAL if EC did not receive this command.
|
|
* Valid Modes are: normal, developer, and recovery.
|
|
*/
|
|
#define EC_CMD_ENTERING_MODE 0x00B6
|
|
|
|
struct __ec_align4 ec_params_entering_mode {
|
|
int vboot_mode;
|
|
};
|
|
|
|
#define VBOOT_MODE_NORMAL 0
|
|
#define VBOOT_MODE_DEVELOPER 1
|
|
#define VBOOT_MODE_RECOVERY 2
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* I2C passthru protection command: Protects I2C tunnels against access on
|
|
* certain addresses (board-specific).
|
|
*/
|
|
#define EC_CMD_I2C_PASSTHRU_PROTECT 0x00B7
|
|
|
|
enum ec_i2c_passthru_protect_subcmd {
|
|
EC_CMD_I2C_PASSTHRU_PROTECT_STATUS = 0x0,
|
|
EC_CMD_I2C_PASSTHRU_PROTECT_ENABLE = 0x1,
|
|
};
|
|
|
|
struct __ec_align1 ec_params_i2c_passthru_protect {
|
|
uint8_t subcmd;
|
|
uint8_t port; /* I2C port number */
|
|
};
|
|
|
|
struct __ec_align1 ec_response_i2c_passthru_protect {
|
|
uint8_t status; /* Status flags (0: unlocked, 1: locked) */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* System commands */
|
|
|
|
/*
|
|
* TODO(crosbug.com/p/23747): This is a confusing name, since it doesn't
|
|
* necessarily reboot the EC. Rename to "image" or something similar?
|
|
*/
|
|
#define EC_CMD_REBOOT_EC 0x00D2
|
|
|
|
/* Command */
|
|
enum ec_reboot_cmd {
|
|
EC_REBOOT_CANCEL = 0, /* Cancel a pending reboot */
|
|
EC_REBOOT_JUMP_RO = 1, /* Jump to RO without rebooting */
|
|
EC_REBOOT_JUMP_RW = 2, /* Jump to RW without rebooting */
|
|
/* (command 3 was jump to RW-B) */
|
|
EC_REBOOT_COLD = 4, /* Cold-reboot */
|
|
EC_REBOOT_DISABLE_JUMP = 5, /* Disable jump until next reboot */
|
|
EC_REBOOT_HIBERNATE = 6, /* Hibernate EC */
|
|
EC_REBOOT_HIBERNATE_CLEAR_AP_OFF = 7, /* and clears AP_OFF flag */
|
|
};
|
|
|
|
/* Flags for ec_params_reboot_ec.reboot_flags */
|
|
#define EC_REBOOT_FLAG_RESERVED0 (1 << 0) /* Was recovery request */
|
|
#define EC_REBOOT_FLAG_ON_AP_SHUTDOWN (1 << 1) /* Reboot after AP shutdown */
|
|
#define EC_REBOOT_FLAG_SWITCH_RW_SLOT (1 << 2) /* Switch RW slot */
|
|
|
|
struct __ec_align1 ec_params_reboot_ec {
|
|
uint8_t cmd; /* enum ec_reboot_cmd */
|
|
uint8_t flags; /* See EC_REBOOT_FLAG_* */
|
|
};
|
|
|
|
/*
|
|
* Get information on last EC panic.
|
|
*
|
|
* Returns variable-length platform-dependent panic information. See panic.h
|
|
* for details.
|
|
*/
|
|
#define EC_CMD_GET_PANIC_INFO 0x00D3
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Special commands
|
|
*
|
|
* These do not follow the normal rules for commands. See each command for
|
|
* details.
|
|
*/
|
|
|
|
/*
|
|
* Reboot NOW
|
|
*
|
|
* This command will work even when the EC LPC interface is busy, because the
|
|
* reboot command is processed at interrupt level. Note that when the EC
|
|
* reboots, the host will reboot too, so there is no response to this command.
|
|
*
|
|
* Use EC_CMD_REBOOT_EC to reboot the EC more politely.
|
|
*/
|
|
#define EC_CMD_REBOOT 0x00D1 /* Think "die" */
|
|
|
|
/*
|
|
* Resend last response (not supported on LPC).
|
|
*
|
|
* Returns EC_RES_UNAVAILABLE if there is no response available - for example,
|
|
* there was no previous command, or the previous command's response was too
|
|
* big to save.
|
|
*/
|
|
#define EC_CMD_RESEND_RESPONSE 0x00DB
|
|
|
|
/*
|
|
* This header byte on a command indicate version 0. Any header byte less
|
|
* than this means that we are talking to an old EC which doesn't support
|
|
* versioning. In that case, we assume version 0.
|
|
*
|
|
* Header bytes greater than this indicate a later version. For example,
|
|
* EC_CMD_VERSION0 + 1 means we are using version 1.
|
|
*
|
|
* The old EC interface must not use commands 0xdc or higher.
|
|
*/
|
|
#define EC_CMD_VERSION0 0x00DC
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* PD commands
|
|
*
|
|
* These commands are for PD MCU communication.
|
|
*/
|
|
|
|
/* EC to PD MCU exchange status command */
|
|
#define EC_CMD_PD_EXCHANGE_STATUS 0x0100
|
|
#define EC_VER_PD_EXCHANGE_STATUS 2
|
|
|
|
enum pd_charge_state {
|
|
PD_CHARGE_NO_CHANGE = 0, /* Don't change charge state */
|
|
PD_CHARGE_NONE, /* No charging allowed */
|
|
PD_CHARGE_5V, /* 5V charging only */
|
|
PD_CHARGE_MAX /* Charge at max voltage */
|
|
};
|
|
|
|
/* Status of EC being sent to PD */
|
|
#define EC_STATUS_HIBERNATING (1 << 0)
|
|
|
|
struct __ec_align1 ec_params_pd_status {
|
|
uint8_t status; /* EC status */
|
|
int8_t batt_soc; /* battery state of charge */
|
|
uint8_t charge_state; /* charging state (from enum pd_charge_state) */
|
|
};
|
|
|
|
/* Status of PD being sent back to EC */
|
|
#define PD_STATUS_HOST_EVENT (1 << 0) /* Forward host event to AP */
|
|
#define PD_STATUS_IN_RW (1 << 1) /* Running RW image */
|
|
#define PD_STATUS_JUMPED_TO_IMAGE (1 << 2) /* Current image was jumped to */
|
|
#define PD_STATUS_TCPC_ALERT_0 (1 << 3) /* Alert active in port 0 TCPC */
|
|
#define PD_STATUS_TCPC_ALERT_1 (1 << 4) /* Alert active in port 1 TCPC */
|
|
#define PD_STATUS_TCPC_ALERT_2 (1 << 5) /* Alert active in port 2 TCPC */
|
|
#define PD_STATUS_TCPC_ALERT_3 (1 << 6) /* Alert active in port 3 TCPC */
|
|
#define PD_STATUS_EC_INT_ACTIVE (PD_STATUS_TCPC_ALERT_0 | \
|
|
PD_STATUS_TCPC_ALERT_1 | \
|
|
PD_STATUS_HOST_EVENT)
|
|
struct __ec_align_size1 ec_response_pd_status {
|
|
uint32_t curr_lim_ma; /* input current limit */
|
|
uint16_t status; /* PD MCU status */
|
|
int8_t active_charge_port; /* active charging port */
|
|
};
|
|
|
|
/* AP to PD MCU host event status command, cleared on read */
|
|
#define EC_CMD_PD_HOST_EVENT_STATUS 0x0104
|
|
|
|
/* PD MCU host event status bits */
|
|
#define PD_EVENT_UPDATE_DEVICE (1 << 0)
|
|
#define PD_EVENT_POWER_CHANGE (1 << 1)
|
|
#define PD_EVENT_IDENTITY_RECEIVED (1 << 2)
|
|
#define PD_EVENT_DATA_SWAP (1 << 3)
|
|
struct __ec_align4 ec_response_host_event_status {
|
|
uint32_t status; /* PD MCU host event status */
|
|
};
|
|
|
|
/* Set USB type-C port role and muxes */
|
|
#define EC_CMD_USB_PD_CONTROL 0x0101
|
|
|
|
enum usb_pd_control_role {
|
|
USB_PD_CTRL_ROLE_NO_CHANGE = 0,
|
|
USB_PD_CTRL_ROLE_TOGGLE_ON = 1, /* == AUTO */
|
|
USB_PD_CTRL_ROLE_TOGGLE_OFF = 2,
|
|
USB_PD_CTRL_ROLE_FORCE_SINK = 3,
|
|
USB_PD_CTRL_ROLE_FORCE_SOURCE = 4,
|
|
USB_PD_CTRL_ROLE_COUNT
|
|
};
|
|
|
|
enum usb_pd_control_mux {
|
|
USB_PD_CTRL_MUX_NO_CHANGE = 0,
|
|
USB_PD_CTRL_MUX_NONE = 1,
|
|
USB_PD_CTRL_MUX_USB = 2,
|
|
USB_PD_CTRL_MUX_DP = 3,
|
|
USB_PD_CTRL_MUX_DOCK = 4,
|
|
USB_PD_CTRL_MUX_AUTO = 5,
|
|
USB_PD_CTRL_MUX_COUNT
|
|
};
|
|
|
|
enum usb_pd_control_swap {
|
|
USB_PD_CTRL_SWAP_NONE = 0,
|
|
USB_PD_CTRL_SWAP_DATA = 1,
|
|
USB_PD_CTRL_SWAP_POWER = 2,
|
|
USB_PD_CTRL_SWAP_VCONN = 3,
|
|
USB_PD_CTRL_SWAP_COUNT
|
|
};
|
|
|
|
struct __ec_align1 ec_params_usb_pd_control {
|
|
uint8_t port;
|
|
uint8_t role;
|
|
uint8_t mux;
|
|
uint8_t swap;
|
|
};
|
|
|
|
#define PD_CTRL_RESP_ENABLED_COMMS (1 << 0) /* Communication enabled */
|
|
#define PD_CTRL_RESP_ENABLED_CONNECTED (1 << 1) /* Device connected */
|
|
#define PD_CTRL_RESP_ENABLED_PD_CAPABLE (1 << 2) /* Partner is PD capable */
|
|
|
|
#define PD_CTRL_RESP_ROLE_POWER (1 << 0) /* 0=SNK/1=SRC */
|
|
#define PD_CTRL_RESP_ROLE_DATA (1 << 1) /* 0=UFP/1=DFP */
|
|
#define PD_CTRL_RESP_ROLE_VCONN (1 << 2) /* Vconn status */
|
|
#define PD_CTRL_RESP_ROLE_DR_POWER (1 << 3) /* Partner is dualrole power */
|
|
#define PD_CTRL_RESP_ROLE_DR_DATA (1 << 4) /* Partner is dualrole data */
|
|
#define PD_CTRL_RESP_ROLE_USB_COMM (1 << 5) /* Partner USB comm capable */
|
|
#define PD_CTRL_RESP_ROLE_EXT_POWERED (1 << 6) /* Partner externally powerd */
|
|
|
|
struct __ec_align1 ec_response_usb_pd_control {
|
|
uint8_t enabled;
|
|
uint8_t role;
|
|
uint8_t polarity;
|
|
uint8_t state;
|
|
};
|
|
|
|
struct __ec_align1 ec_response_usb_pd_control_v1 {
|
|
uint8_t enabled;
|
|
uint8_t role;
|
|
uint8_t polarity;
|
|
char state[32];
|
|
};
|
|
|
|
#define EC_CMD_USB_PD_PORTS 0x0102
|
|
|
|
/* Maximum number of PD ports on a device, num_ports will be <= this */
|
|
#define EC_USB_PD_MAX_PORTS 8
|
|
|
|
struct __ec_align1 ec_response_usb_pd_ports {
|
|
uint8_t num_ports;
|
|
};
|
|
|
|
#define EC_CMD_USB_PD_POWER_INFO 0x0103
|
|
|
|
#define PD_POWER_CHARGING_PORT 0xff
|
|
struct __ec_align1 ec_params_usb_pd_power_info {
|
|
uint8_t port;
|
|
};
|
|
|
|
enum usb_chg_type {
|
|
USB_CHG_TYPE_NONE,
|
|
USB_CHG_TYPE_PD,
|
|
USB_CHG_TYPE_C,
|
|
USB_CHG_TYPE_PROPRIETARY,
|
|
USB_CHG_TYPE_BC12_DCP,
|
|
USB_CHG_TYPE_BC12_CDP,
|
|
USB_CHG_TYPE_BC12_SDP,
|
|
USB_CHG_TYPE_OTHER,
|
|
USB_CHG_TYPE_VBUS,
|
|
USB_CHG_TYPE_UNKNOWN,
|
|
};
|
|
enum usb_power_roles {
|
|
USB_PD_PORT_POWER_DISCONNECTED,
|
|
USB_PD_PORT_POWER_SOURCE,
|
|
USB_PD_PORT_POWER_SINK,
|
|
USB_PD_PORT_POWER_SINK_NOT_CHARGING,
|
|
};
|
|
|
|
struct __ec_align2 usb_chg_measures {
|
|
uint16_t voltage_max;
|
|
uint16_t voltage_now;
|
|
uint16_t current_max;
|
|
uint16_t current_lim;
|
|
};
|
|
|
|
struct __ec_align4 ec_response_usb_pd_power_info {
|
|
uint8_t role;
|
|
uint8_t type;
|
|
uint8_t dualrole;
|
|
uint8_t reserved1;
|
|
struct usb_chg_measures meas;
|
|
uint32_t max_power;
|
|
};
|
|
|
|
/* Write USB-PD device FW */
|
|
#define EC_CMD_USB_PD_FW_UPDATE 0x0110
|
|
|
|
enum usb_pd_fw_update_cmds {
|
|
USB_PD_FW_REBOOT,
|
|
USB_PD_FW_FLASH_ERASE,
|
|
USB_PD_FW_FLASH_WRITE,
|
|
USB_PD_FW_ERASE_SIG,
|
|
};
|
|
|
|
struct __ec_align4 ec_params_usb_pd_fw_update {
|
|
uint16_t dev_id;
|
|
uint8_t cmd;
|
|
uint8_t port;
|
|
uint32_t size; /* Size to write in bytes */
|
|
/* Followed by data to write */
|
|
};
|
|
|
|
/* Write USB-PD Accessory RW_HASH table entry */
|
|
#define EC_CMD_USB_PD_RW_HASH_ENTRY 0x0111
|
|
/* RW hash is first 20 bytes of SHA-256 of RW section */
|
|
#define PD_RW_HASH_SIZE 20
|
|
struct __ec_align1 ec_params_usb_pd_rw_hash_entry {
|
|
uint16_t dev_id;
|
|
uint8_t dev_rw_hash[PD_RW_HASH_SIZE];
|
|
uint8_t reserved; /* For alignment of current_image
|
|
* TODO(rspangler) but it's not aligned!
|
|
* Should have been reserved[2]. */
|
|
uint32_t current_image; /* One of ec_current_image */
|
|
};
|
|
|
|
/* Read USB-PD Accessory info */
|
|
#define EC_CMD_USB_PD_DEV_INFO 0x0112
|
|
|
|
struct __ec_align1 ec_params_usb_pd_info_request {
|
|
uint8_t port;
|
|
};
|
|
|
|
/* Read USB-PD Device discovery info */
|
|
#define EC_CMD_USB_PD_DISCOVERY 0x0113
|
|
struct __ec_align_size1 ec_params_usb_pd_discovery_entry {
|
|
uint16_t vid; /* USB-IF VID */
|
|
uint16_t pid; /* USB-IF PID */
|
|
uint8_t ptype; /* product type (hub,periph,cable,ama) */
|
|
};
|
|
|
|
/* Override default charge behavior */
|
|
#define EC_CMD_PD_CHARGE_PORT_OVERRIDE 0x0114
|
|
|
|
/* Negative port parameters have special meaning */
|
|
enum usb_pd_override_ports {
|
|
OVERRIDE_DONT_CHARGE = -2,
|
|
OVERRIDE_OFF = -1,
|
|
/* [0, CONFIG_USB_PD_PORT_COUNT): Port# */
|
|
};
|
|
|
|
struct __ec_align2 ec_params_charge_port_override {
|
|
int16_t override_port; /* Override port# */
|
|
};
|
|
|
|
/* Read (and delete) one entry of PD event log */
|
|
#define EC_CMD_PD_GET_LOG_ENTRY 0x0115
|
|
|
|
struct __ec_align4 ec_response_pd_log {
|
|
uint32_t timestamp; /* relative timestamp in milliseconds */
|
|
uint8_t type; /* event type : see PD_EVENT_xx below */
|
|
uint8_t size_port; /* [7:5] port number [4:0] payload size in bytes */
|
|
uint16_t data; /* type-defined data payload */
|
|
uint8_t payload[0]; /* optional additional data payload: 0..16 bytes */
|
|
};
|
|
|
|
|
|
/* The timestamp is the microsecond counter shifted to get about a ms. */
|
|
#define PD_LOG_TIMESTAMP_SHIFT 10 /* 1 LSB = 1024us */
|
|
|
|
#define PD_LOG_SIZE_MASK 0x1f
|
|
#define PD_LOG_PORT_MASK 0xe0
|
|
#define PD_LOG_PORT_SHIFT 5
|
|
#define PD_LOG_PORT_SIZE(port, size) (((port) << PD_LOG_PORT_SHIFT) | \
|
|
((size) & PD_LOG_SIZE_MASK))
|
|
#define PD_LOG_PORT(size_port) ((size_port) >> PD_LOG_PORT_SHIFT)
|
|
#define PD_LOG_SIZE(size_port) ((size_port) & PD_LOG_SIZE_MASK)
|
|
|
|
/* PD event log : entry types */
|
|
/* PD MCU events */
|
|
#define PD_EVENT_MCU_BASE 0x00
|
|
#define PD_EVENT_MCU_CHARGE (PD_EVENT_MCU_BASE+0)
|
|
#define PD_EVENT_MCU_CONNECT (PD_EVENT_MCU_BASE+1)
|
|
/* Reserved for custom board event */
|
|
#define PD_EVENT_MCU_BOARD_CUSTOM (PD_EVENT_MCU_BASE+2)
|
|
/* PD generic accessory events */
|
|
#define PD_EVENT_ACC_BASE 0x20
|
|
#define PD_EVENT_ACC_RW_FAIL (PD_EVENT_ACC_BASE+0)
|
|
#define PD_EVENT_ACC_RW_ERASE (PD_EVENT_ACC_BASE+1)
|
|
/* PD power supply events */
|
|
#define PD_EVENT_PS_BASE 0x40
|
|
#define PD_EVENT_PS_FAULT (PD_EVENT_PS_BASE+0)
|
|
/* PD video dongles events */
|
|
#define PD_EVENT_VIDEO_BASE 0x60
|
|
#define PD_EVENT_VIDEO_DP_MODE (PD_EVENT_VIDEO_BASE+0)
|
|
#define PD_EVENT_VIDEO_CODEC (PD_EVENT_VIDEO_BASE+1)
|
|
/* Returned in the "type" field, when there is no entry available */
|
|
#define PD_EVENT_NO_ENTRY 0xff
|
|
|
|
/*
|
|
* PD_EVENT_MCU_CHARGE event definition :
|
|
* the payload is "struct usb_chg_measures"
|
|
* the data field contains the port state flags as defined below :
|
|
*/
|
|
/* Port partner is a dual role device */
|
|
#define CHARGE_FLAGS_DUAL_ROLE (1 << 15)
|
|
/* Port is the pending override port */
|
|
#define CHARGE_FLAGS_DELAYED_OVERRIDE (1 << 14)
|
|
/* Port is the override port */
|
|
#define CHARGE_FLAGS_OVERRIDE (1 << 13)
|
|
/* Charger type */
|
|
#define CHARGE_FLAGS_TYPE_SHIFT 3
|
|
#define CHARGE_FLAGS_TYPE_MASK (0xf << CHARGE_FLAGS_TYPE_SHIFT)
|
|
/* Power delivery role */
|
|
#define CHARGE_FLAGS_ROLE_MASK (7 << 0)
|
|
|
|
/*
|
|
* PD_EVENT_PS_FAULT data field flags definition :
|
|
*/
|
|
#define PS_FAULT_OCP 1
|
|
#define PS_FAULT_FAST_OCP 2
|
|
#define PS_FAULT_OVP 3
|
|
#define PS_FAULT_DISCH 4
|
|
|
|
/*
|
|
* PD_EVENT_VIDEO_CODEC payload is "struct mcdp_info".
|
|
*/
|
|
struct __ec_align4 mcdp_version {
|
|
uint8_t major;
|
|
uint8_t minor;
|
|
uint16_t build;
|
|
};
|
|
|
|
struct __ec_align4 mcdp_info {
|
|
uint8_t family[2];
|
|
uint8_t chipid[2];
|
|
struct mcdp_version irom;
|
|
struct mcdp_version fw;
|
|
};
|
|
|
|
/* struct mcdp_info field decoding */
|
|
#define MCDP_CHIPID(chipid) ((chipid[0] << 8) | chipid[1])
|
|
#define MCDP_FAMILY(family) ((family[0] << 8) | family[1])
|
|
|
|
/* Get/Set USB-PD Alternate mode info */
|
|
#define EC_CMD_USB_PD_GET_AMODE 0x0116
|
|
struct __ec_align_size1 ec_params_usb_pd_get_mode_request {
|
|
uint16_t svid_idx; /* SVID index to get */
|
|
uint8_t port; /* port */
|
|
};
|
|
|
|
struct __ec_align4 ec_params_usb_pd_get_mode_response {
|
|
uint16_t svid; /* SVID */
|
|
uint16_t opos; /* Object Position */
|
|
uint32_t vdo[6]; /* Mode VDOs */
|
|
};
|
|
|
|
#define EC_CMD_USB_PD_SET_AMODE 0x0117
|
|
|
|
enum pd_mode_cmd {
|
|
PD_EXIT_MODE = 0,
|
|
PD_ENTER_MODE = 1,
|
|
/* Not a command. Do NOT remove. */
|
|
PD_MODE_CMD_COUNT,
|
|
};
|
|
|
|
struct __ec_align4 ec_params_usb_pd_set_mode_request {
|
|
uint32_t cmd; /* enum pd_mode_cmd */
|
|
uint16_t svid; /* SVID to set */
|
|
uint8_t opos; /* Object Position */
|
|
uint8_t port; /* port */
|
|
};
|
|
|
|
/* Ask the PD MCU to record a log of a requested type */
|
|
#define EC_CMD_PD_WRITE_LOG_ENTRY 0x0118
|
|
|
|
struct __ec_align1 ec_params_pd_write_log_entry {
|
|
uint8_t type; /* event type : see PD_EVENT_xx above */
|
|
uint8_t port; /* port#, or 0 for events unrelated to a given port */
|
|
};
|
|
|
|
|
|
/* Control USB-PD chip */
|
|
#define EC_CMD_PD_CONTROL 0x0119
|
|
|
|
enum ec_pd_control_cmd {
|
|
PD_SUSPEND = 0, /* Suspend the PD chip (EC: stop talking to PD) */
|
|
PD_RESUME, /* Resume the PD chip (EC: start talking to PD) */
|
|
PD_RESET, /* Force reset the PD chip */
|
|
PD_CONTROL_DISABLE /* Disable further calls to this command */
|
|
};
|
|
|
|
struct __ec_align1 ec_params_pd_control {
|
|
uint8_t chip; /* chip id (should be 0) */
|
|
uint8_t subcmd;
|
|
};
|
|
|
|
/* Get info about USB-C SS muxes */
|
|
#define EC_CMD_USB_PD_MUX_INFO 0x011A
|
|
|
|
struct __ec_align1 ec_params_usb_pd_mux_info {
|
|
uint8_t port; /* USB-C port number */
|
|
};
|
|
|
|
/* Flags representing mux state */
|
|
#define USB_PD_MUX_USB_ENABLED (1 << 0)
|
|
#define USB_PD_MUX_DP_ENABLED (1 << 1)
|
|
#define USB_PD_MUX_POLARITY_INVERTED (1 << 2)
|
|
#define USB_PD_MUX_HPD_IRQ (1 << 3)
|
|
|
|
struct __ec_align1 ec_response_usb_pd_mux_info {
|
|
uint8_t flags; /* USB_PD_MUX_*-encoded USB mux state */
|
|
};
|
|
|
|
#define EC_CMD_PD_CHIP_INFO 0x011B
|
|
|
|
struct __ec_align1 ec_params_pd_chip_info {
|
|
uint8_t port; /* USB-C port number */
|
|
uint8_t renew; /* Force renewal */
|
|
};
|
|
|
|
struct __ec_align2 ec_response_pd_chip_info {
|
|
uint16_t vendor_id;
|
|
uint16_t product_id;
|
|
uint16_t device_id;
|
|
union {
|
|
uint8_t fw_version_string[8];
|
|
uint64_t fw_version_number;
|
|
};
|
|
};
|
|
|
|
/* Run RW signature verification and get status */
|
|
#define EC_CMD_RWSIG_CHECK_STATUS 0x011C
|
|
|
|
struct __ec_align4 ec_response_rwsig_check_status {
|
|
uint32_t status;
|
|
};
|
|
|
|
/* For controlling RWSIG task */
|
|
#define EC_CMD_RWSIG_ACTION 0x011D
|
|
|
|
enum rwsig_action {
|
|
RWSIG_ACTION_ABORT = 0, /* Abort RWSIG and prevent jumping */
|
|
RWSIG_ACTION_CONTINUE = 1, /* Jump to RW immediately */
|
|
};
|
|
|
|
struct __ec_align4 ec_params_rwsig_action {
|
|
uint32_t action;
|
|
};
|
|
|
|
/* Run verification on a slot */
|
|
#define EC_CMD_EFS_VERIFY 0x011E
|
|
|
|
struct __ec_align1 ec_params_efs_verify {
|
|
uint8_t region; /* enum ec_flash_region */
|
|
};
|
|
|
|
/*
|
|
* Retrieve info from Cros Board Info store. Response is based on the data
|
|
* type. Integers return a uint32. Strings return a string, using the response
|
|
* size to determine how big it is.
|
|
*/
|
|
#define EC_CMD_GET_CROS_BOARD_INFO 0x011F
|
|
/*
|
|
* Write info into Cros Board Info on EEPROM. Write fails if the board has
|
|
* hardware write-protect enabled.
|
|
*/
|
|
#define EC_CMD_SET_CROS_BOARD_INFO 0x0120
|
|
|
|
enum cbi_data_tag {
|
|
CBI_TAG_BOARD_VERSION = 0, /* uint16_t or uint8_t[] = {minor,major} */
|
|
CBI_TAG_OEM_ID = 1, /* uint8_t */
|
|
CBI_TAG_SKU_ID = 2, /* uint8_t */
|
|
CBI_TAG_COUNT,
|
|
};
|
|
|
|
/*
|
|
* Flags to control read operation
|
|
*
|
|
* RELOAD: Invalidate cache and read data from EEPROM. Useful to verify
|
|
* write was successful without reboot.
|
|
*/
|
|
#define CBI_GET_RELOAD (1 << 0)
|
|
|
|
struct __ec_align4 ec_params_get_cbi {
|
|
uint32_t type; /* enum cbi_data_tag */
|
|
uint32_t flag; /* CBI_GET_* */
|
|
};
|
|
|
|
/*
|
|
* Flags to control write behavior.
|
|
*
|
|
* NO_SYNC: Makes EC update data in RAM but skip writing to EEPROM. It's
|
|
* useful when writing multiple fields in a row.
|
|
* INIT: Needs to be set when creating a new CBI from scratch. All fields
|
|
* will be initialized to zero first.
|
|
*/
|
|
#define CBI_SET_NO_SYNC (1 << 0)
|
|
#define CBI_SET_INIT (1 << 1)
|
|
|
|
struct __ec_align1 ec_params_set_cbi {
|
|
uint32_t tag; /* enum cbi_data_tag */
|
|
uint32_t flag; /* CBI_SET_* */
|
|
uint32_t size; /* Data size */
|
|
uint8_t data[]; /* For string and raw data */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* The command range 0x200-0x2FF is reserved for Rotor. */
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Reserve a range of host commands for the CR51 firmware.
|
|
*/
|
|
#define EC_CMD_CR51_BASE 0x0300
|
|
#define EC_CMD_CR51_LAST 0x03FF
|
|
|
|
/*****************************************************************************/
|
|
/* Fingerprint MCU commands: range 0x0400-0x040x */
|
|
|
|
/* Fingerprint SPI sensor passthru command: prototyping ONLY */
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#define EC_CMD_FP_PASSTHRU 0x0400
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#define EC_FP_FLAG_NOT_COMPLETE 0x1
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struct __ec_align2 ec_params_fp_passthru {
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uint16_t len; /* Number of bytes to write then read */
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uint16_t flags; /* EC_FP_FLAG_xxx */
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uint8_t data[]; /* Data to send */
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};
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/* Fingerprint sensor configuration command: prototyping ONLY */
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#define EC_CMD_FP_SENSOR_CONFIG 0x0401
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#define EC_FP_SENSOR_CONFIG_MAX_REGS 16
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struct __ec_align2 ec_params_fp_sensor_config {
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uint8_t count; /* Number of setup registers */
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/*
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* the value to send to each of the 'count' setup registers
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* is stored in the 'data' array for 'len' bytes just after
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* the previous one.
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*/
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uint8_t len[EC_FP_SENSOR_CONFIG_MAX_REGS];
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uint8_t data[];
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};
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/* Configure the Fingerprint MCU behavior */
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#define EC_CMD_FP_MODE 0x0402
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/* Put the sensor in its lowest power mode */
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#define FP_MODE_DEEPSLEEP (1<<0)
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/* Wait to see a finger on the sensor */
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#define FP_MODE_FINGER_DOWN (1<<1)
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/* Poll until the finger has left the sensor */
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#define FP_MODE_FINGER_UP (1<<2)
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/* Capture the current finger image */
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#define FP_MODE_CAPTURE (1<<3)
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/* special value: don't change anything just read back current mode */
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#define FP_MODE_DONT_CHANGE (1<<31)
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struct __ec_align4 ec_params_fp_mode {
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uint32_t mode; /* as defined by FP_MODE_ constants */
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/* TBD */
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};
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|
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struct __ec_align4 ec_response_fp_mode {
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uint32_t mode; /* as defined by FP_MODE_ constants */
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/* TBD */
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};
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/* Retrieve Fingerprint sensor information */
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#define EC_CMD_FP_INFO 0x0403
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struct __ec_align2 ec_response_fp_info {
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/* Sensor identification */
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uint32_t vendor_id;
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uint32_t product_id;
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uint32_t model_id;
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uint32_t version;
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/* Image frame characteristics */
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uint32_t frame_size;
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uint32_t pixel_format; /* using V4L2_PIX_FMT_ */
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uint16_t width;
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uint16_t height;
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uint16_t bpp;
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};
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|
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/* Get the last captured finger frame: TODO: will be AES-encrypted */
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#define EC_CMD_FP_FRAME 0x0404
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struct __ec_align4 ec_params_fp_frame {
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uint32_t offset;
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uint32_t size;
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};
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/*****************************************************************************/
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/* Touchpad MCU commands: range 0x0500-0x05FF */
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|
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/* Perform touchpad self test */
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#define EC_CMD_TP_SELF_TEST 0x0500
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|
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/* Get number of frame types, and the size of each type */
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#define EC_CMD_TP_FRAME_INFO 0x0501
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|
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struct __ec_align4 ec_response_tp_frame_info {
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|
uint32_t n_frames;
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uint32_t frame_sizes[0];
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|
};
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|
|
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/* Create a snapshot of current frame readings */
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#define EC_CMD_TP_FRAME_SNAPSHOT 0x0502
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|
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/* Read the frame */
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#define EC_CMD_TP_FRAME_GET 0x0503
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|
|
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struct __ec_align4 ec_params_tp_frame_get {
|
|
uint32_t frame_index;
|
|
uint32_t offset;
|
|
uint32_t size;
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|
};
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Reserve a range of host commands for board-specific, experimental, or
|
|
* special purpose features. These can be (re)used without updating this file.
|
|
*
|
|
* CAUTION: Don't go nuts with this. Shipping products should document ALL
|
|
* their EC commands for easier development, testing, debugging, and support.
|
|
*
|
|
* All commands MUST be #defined to be 4-digit UPPER CASE hex values
|
|
* (e.g., 0x00AB, not 0xab) for CONFIG_HOSTCMD_SECTION_SORTED to work.
|
|
*
|
|
* In your experimental code, you may want to do something like this:
|
|
*
|
|
* #define EC_CMD_MAGIC_FOO 0x0000
|
|
* #define EC_CMD_MAGIC_BAR 0x0001
|
|
* #define EC_CMD_MAGIC_HEY 0x0002
|
|
*
|
|
* DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_FOO, magic_foo_handler,
|
|
* EC_VER_MASK(0);
|
|
*
|
|
* DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_BAR, magic_bar_handler,
|
|
* EC_VER_MASK(0);
|
|
*
|
|
* DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_HEY, magic_hey_handler,
|
|
* EC_VER_MASK(0);
|
|
*/
|
|
#define EC_CMD_BOARD_SPECIFIC_BASE 0x3E00
|
|
#define EC_CMD_BOARD_SPECIFIC_LAST 0x3FFF
|
|
|
|
/*
|
|
* Given the private host command offset, calculate the true private host
|
|
* command value.
|
|
*/
|
|
#define EC_PRIVATE_HOST_COMMAND_VALUE(command) \
|
|
(EC_CMD_BOARD_SPECIFIC_BASE + (command))
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Passthru commands
|
|
*
|
|
* Some platforms have sub-processors chained to each other. For example.
|
|
*
|
|
* AP <--> EC <--> PD MCU
|
|
*
|
|
* The top 2 bits of the command number are used to indicate which device the
|
|
* command is intended for. Device 0 is always the device receiving the
|
|
* command; other device mapping is board-specific.
|
|
*
|
|
* When a device receives a command to be passed to a sub-processor, it passes
|
|
* it on with the device number set back to 0. This allows the sub-processor
|
|
* to remain blissfully unaware of whether the command originated on the next
|
|
* device up the chain, or was passed through from the AP.
|
|
*
|
|
* In the above example, if the AP wants to send command 0x0002 to the PD MCU,
|
|
* AP sends command 0x4002 to the EC
|
|
* EC sends command 0x0002 to the PD MCU
|
|
* EC forwards PD MCU response back to the AP
|
|
*/
|
|
|
|
/* Offset and max command number for sub-device n */
|
|
#define EC_CMD_PASSTHRU_OFFSET(n) (0x4000 * (n))
|
|
#define EC_CMD_PASSTHRU_MAX(n) (EC_CMD_PASSTHRU_OFFSET(n) + 0x3fff)
|
|
|
|
/*****************************************************************************/
|
|
/*
|
|
* Deprecated constants. These constants have been renamed for clarity. The
|
|
* meaning and size has not changed. Programs that use the old names should
|
|
* switch to the new names soon, as the old names may not be carried forward
|
|
* forever.
|
|
*/
|
|
#define EC_HOST_PARAM_SIZE EC_PROTO2_MAX_PARAM_SIZE
|
|
#define EC_LPC_ADDR_OLD_PARAM EC_HOST_CMD_REGION1
|
|
#define EC_OLD_PARAM_SIZE EC_HOST_CMD_REGION_SIZE
|
|
|
|
#endif /* !__ACPI__ && !__KERNEL__ */
|
|
|
|
#endif /* __CROS_EC_COMMANDS_H */
|