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Message-ID: <b92cdc52-b1c3-fe8c-555a-dd57e8e3196f@collabora.com>
Date: Fri, 29 Mar 2019 13:14:17 +0100
From: Enric Balletbo i Serra <enric.balletbo@...labora.com>
To: Gwendal Grignou <gwendal@...omium.org>,
Benson Leung <bleung@...omium.org>,
Guenter Roeck <groeck@...omium.org>,
Lee Jones <lee.jones@...aro.org>
Cc: linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] mfd: cros: Update EC protocol to match current EC code
Hi Gwendal,
On 28/3/19 22:58, Gwendal Grignou wrote:
> Enric,
>
> The version of this patch in lore.kernel.org, [at
> https://lore.kernel.org/patchwork/patch/1056074/] is truncated. The
> 100 lines at the beginning of the patch:
> diff --git a/include/linux/mfd/cros_ec_commands.h
> b/include/linux/mfd/cros_ec_commands.h
> index fc91082d4c35..5c4764e3db6f 100644
> --- a/include/linux/mfd/cros_ec_commands.h
> +++ b/include/linux/mfd/cros_ec_commands.h
> @@ -1,28 +1,41 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> /*
> * Host communication command constants for ChromeOS EC
> *
> * Copyright (C) 2012 Google, Inc
> *
> - * This software is licensed under the terms of the GNU General Public
> - * License version 2, as published by the Free Software Foundation, and
> - * may be copied, distributed, and modified under those terms.
> ....
>
> Do not show up on the patchwork patch, but there are in the email above.
>
For some reason all the lines over 80 character are truncated and caused that
mess in patchwork. I also see all these lines truncated in my email. But might
be my problem.
> Gwendal.
>
> On Thu, Mar 28, 2019 at 2:52 PM Gwendal Grignou <gwendal@...omium.org> wrote:
>>
>> Chromebook Embedded Controller protocol is defined in the kernel at
>> cros_ec_commands.h.
>> The source of trust for the EC protocol is at
>> https://chromium.googlesource.com/chromiumos/platform/ec/+/master/include/ec_commands.h
>>
>> Only needed changes have been picked up from this file to the kernel
>> include file leading to gaps between the upstream version and what the
>> latest ECs can do.
>>
>> Fill the gaps to ease future integrations. Changes from the original
>> files is header/footer for license and include files for alignment.
>>
>> Check this include file works on ChomeOS kernel 4.14 and 4.19 on eve.
>>
>> Signed-off-by: Gwendal Grignou <gwendal@...omium.org>
>> ---
>> Changes in v3:
>> - No changes, resending
>>
>> Changes in v2:
>> - Replace 1 << with BIT()
>> - Check checkpatch warning/errors are outside kernel scope.
>> - Update .h with latest changes.
>>
>> include/linux/mfd/cros_ec_commands.h | 3723 +++++++++++++++++++++-----
>> 1 file changed, 2992 insertions(+), 731 deletions(-)
>>
>> diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h
>> index fc91082d4c35..5c4764e3db6f 100644
>> --- a/include/linux/mfd/cros_ec_commands.h
>> +++ b/include/linux/mfd/cros_ec_commands.h
>> @@ -1,28 +1,41 @@
>> +/* SPDX-License-Identifier: GPL-2.0 */
>> /*
>> * Host communication command constants for ChromeOS EC
>> *
>> * Copyright (C) 2012 Google, Inc
>> *
>> - * This software is licensed under the terms of the GNU General Public
>> - * License version 2, as published by the Free Software Foundation, and
>> - * may be copied, distributed, and modified under those terms.
>> - *
>> - * This program is distributed in the hope that it will be useful,
>> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> - * GNU General Public License for more details.
>> - *
>> - * The ChromeOS EC multi function device is used to mux all the requests
>> - * to the EC device for its multiple features: keyboard controller,
>> - * battery charging and regulator control, firmware update.
>> - *
>> * NOTE: This file is copied verbatim from the ChromeOS EC Open Source
>> * project in an attempt to make future updates easy to make.
>> */
>>
>> +/* Host communication command constants for Chrome EC */
>> +
>> #ifndef __CROS_EC_COMMANDS_H
>> #define __CROS_EC_COMMANDS_H
>>
>> +#if !defined(__ACPI__) && !defined(__KERNEL__)
>> +#include <stdint.h>
>> +#endif
>> +
>> +#ifdef __cplusplus
>> +extern "C"{
>> +#endif
>> +
>> +/*
>> + * Include common.h for CONFIG_HOSTCMD_ALIGNED, if it's defined. This
>> + * generates more efficient code for accessing request/response structures on
>> + * ARM Cortex-M if the structures are guaranteed 32-bit aligned.
>> + */
>> +#ifdef CHROMIUM_EC
>> +#include "common.h"
>> +#endif
>> +
>> +#ifdef __KERNEL__
>> +#define BUILD_ASSERT(_cond)
>> +#else
>> +#include "compile_time_macros.h"
>> +#endif
>> +
>> /*
>> * Current version of this protocol
>> *
>> @@ -33,7 +46,7 @@
>> #define EC_PROTO_VERSION 0x00000002
>>
>> /* Command version mask */
>> -#define EC_VER_MASK(version) (1UL << (version))
>> +#define EC_VER_MASK(version) BIT(version)
>>
>> /* I/O addresses for ACPI commands */
>> #define EC_LPC_ADDR_ACPI_DATA 0x62
>> @@ -59,13 +72,13 @@
>> #define EC_HOST_CMD_REGION_SIZE 0x80
>>
>> /* EC command register bit functions */
>> -#define EC_LPC_CMDR_DATA (1 << 0) /* Data ready for host to read */
>> -#define EC_LPC_CMDR_PENDING (1 << 1) /* Write pending to EC */
>> -#define EC_LPC_CMDR_BUSY (1 << 2) /* EC is busy processing a command */
>> -#define EC_LPC_CMDR_CMD (1 << 3) /* Last host write was a command */
>> -#define EC_LPC_CMDR_ACPI_BRST (1 << 4) /* Burst mode (not used) */
>> -#define EC_LPC_CMDR_SCI (1 << 5) /* SCI event is pending */
>> -#define EC_LPC_CMDR_SMI (1 << 6) /* SMI event is pending */
>> +#define EC_LPC_CMDR_DATA BIT(0) /* Data ready for host to read */
>> +#define EC_LPC_CMDR_PENDING BIT(1) /* Write pending to EC */
>> +#define EC_LPC_CMDR_BUSY BIT(2) /* EC is busy processing a command */
>> +#define EC_LPC_CMDR_CMD BIT(3) /* Last host write was a command */
>> +#define EC_LPC_CMDR_ACPI_BRST BIT(4) /* Burst mode (not used) */
>> +#define EC_LPC_CMDR_SCI BIT(5) /* SCI event is pending */
>> +#define EC_LPC_CMDR_SMI BIT(6) /* SMI event is pending */
>>
>> #define EC_LPC_ADDR_MEMMAP 0x900
>> #define EC_MEMMAP_SIZE 255 /* ACPI IO buffer max is 255 bytes */
>> @@ -85,13 +98,15 @@
>> /* Unused 0x28 - 0x2f */
>> #define EC_MEMMAP_SWITCHES 0x30 /* 8 bits */
>> /* Unused 0x31 - 0x33 */
>> -#define EC_MEMMAP_HOST_EVENTS 0x34 /* 32 bits */
>> -/* Reserve 0x38 - 0x3f for additional host event-related stuff */
>> -/* Battery values are all 32 bits */
>> +#define EC_MEMMAP_HOST_EVENTS 0x34 /* 64 bits */
>> +/* Battery values are all 32 bits, unless otherwise noted. */
>> #define EC_MEMMAP_BATT_VOLT 0x40 /* Battery Present Voltage */
>> #define EC_MEMMAP_BATT_RATE 0x44 /* Battery Present Rate */
>> #define EC_MEMMAP_BATT_CAP 0x48 /* Battery Remaining Capacity */
>> -#define EC_MEMMAP_BATT_FLAG 0x4c /* Battery State, defined below */
>> +#define EC_MEMMAP_BATT_FLAG 0x4c /* Battery State, see below (8-bit) */
>> +#define EC_MEMMAP_BATT_COUNT 0x4d /* Battery Count (8-bit) */
>> +#define EC_MEMMAP_BATT_INDEX 0x4e /* Current Battery Data Index (8-bit) */
>> +/* Unused 0x4f */
>> #define EC_MEMMAP_BATT_DCAP 0x50 /* Battery Design Capacity */
>> #define EC_MEMMAP_BATT_DVLT 0x54 /* Battery Design Voltage */
>> #define EC_MEMMAP_BATT_LFCC 0x58 /* Battery Last Full Charge Capacity */
>> @@ -105,15 +120,24 @@
>> /* Unused 0x84 - 0x8f */
>> #define EC_MEMMAP_ACC_STATUS 0x90 /* Accelerometer status (8 bits )*/
>> /* Unused 0x91 */
>> -#define EC_MEMMAP_ACC_DATA 0x92 /* Accelerometer data 0x92 - 0x9f */
>> +#define EC_MEMMAP_ACC_DATA 0x92 /* Accelerometers data 0x92 - 0x9f */
>> +/* 0x92: Lid Angle if available, LID_ANGLE_UNRELIABLE otherwise */
>> +/* 0x94 - 0x99: 1st Accelerometer */
>> +/* 0x9a - 0x9f: 2nd Accelerometer */
>> #define EC_MEMMAP_GYRO_DATA 0xa0 /* Gyroscope data 0xa0 - 0xa5 */
>> -/* Unused 0xa6 - 0xfe (remember, 0xff is NOT part of the memmap region) */
>> +/* Unused 0xa6 - 0xdf */
>>
>> +/*
>> + * ACPI is unable to access memory mapped data at or above this offset due to
>> + * limitations of the ACPI protocol. Do not place data in the range 0xe0 - 0xfe
>> + * which might be needed by ACPI.
>> + */
>> +#define EC_MEMMAP_NO_ACPI 0xe0
>>
>> /* Define the format of the accelerometer mapped memory status byte. */
>> #define EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK 0x0f
>> -#define EC_MEMMAP_ACC_STATUS_BUSY_BIT (1 << 4)
>> -#define EC_MEMMAP_ACC_STATUS_PRESENCE_BIT (1 << 7)
>> +#define EC_MEMMAP_ACC_STATUS_BUSY_BIT BIT(4)
>> +#define EC_MEMMAP_ACC_STATUS_PRESENCE_BIT BIT(7)
>>
>> /* Number of temp sensors at EC_MEMMAP_TEMP_SENSOR */
>> #define EC_TEMP_SENSOR_ENTRIES 16
>> @@ -157,6 +181,8 @@
>> #define EC_BATT_FLAG_DISCHARGING 0x04
>> #define EC_BATT_FLAG_CHARGING 0x08
>> #define EC_BATT_FLAG_LEVEL_CRITICAL 0x10
>> +/* Set if some of the static/dynamic data is invalid (or outdated). */
>> +#define EC_BATT_FLAG_INVALID_DATA 0x20
>>
>> /* Switch flags at EC_MEMMAP_SWITCHES */
>> #define EC_SWITCH_LID_OPEN 0x01
>> @@ -182,6 +208,194 @@
>> #define EC_WIRELESS_SWITCH_WWAN 0x04 /* WWAN power */
>> #define EC_WIRELESS_SWITCH_WLAN_POWER 0x08 /* WLAN power */
>>
>> +/*****************************************************************************/
>> +/*
>> + * ACPI commands
>> + *
>> + * These are valid ONLY on the ACPI command/data port.
>> + */
>> +
>> +/*
>> + * ACPI Read Embedded Controller
>> + *
>> + * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
>> + *
>> + * Use the following sequence:
>> + *
>> + * - Write EC_CMD_ACPI_READ to EC_LPC_ADDR_ACPI_CMD
>> + * - Wait for EC_LPC_CMDR_PENDING bit to clear
>> + * - Write address to EC_LPC_ADDR_ACPI_DATA
>> + * - Wait for EC_LPC_CMDR_DATA bit to set
>> + * - Read value from EC_LPC_ADDR_ACPI_DATA
>> + */
>> +#define EC_CMD_ACPI_READ 0x0080
>> +
>> +/*
>> + * ACPI Write Embedded Controller
>> + *
>> + * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
>> + *
>> + * Use the following sequence:
>> + *
>> + * - Write EC_CMD_ACPI_WRITE to EC_LPC_ADDR_ACPI_CMD
>> + * - Wait for EC_LPC_CMDR_PENDING bit to clear
>> + * - Write address to EC_LPC_ADDR_ACPI_DATA
>> + * - Wait for EC_LPC_CMDR_PENDING bit to clear
>> + * - Write value to EC_LPC_ADDR_ACPI_DATA
>> + */
>> +#define EC_CMD_ACPI_WRITE 0x0081
>> +
>> +/*
>> + * ACPI Burst Enable Embedded Controller
>> + *
>> + * This enables burst mode on the EC to allow the host to issue several
>> + * commands back-to-back. While in this mode, writes to mapped multi-byte
>> + * data are locked out to ensure data consistency.
>> + */
>> +#define EC_CMD_ACPI_BURST_ENABLE 0x0082
>> +
>> +/*
>> + * ACPI Burst Disable Embedded Controller
>> + *
>> + * This disables burst mode on the EC and stops preventing EC writes to mapped
>> + * multi-byte data.
>> + */
>> +#define EC_CMD_ACPI_BURST_DISABLE 0x0083
>> +
>> +/*
>> + * ACPI Query Embedded Controller
>> + *
>> + * This clears the lowest-order bit in the currently pending host events, and
>> + * sets the result code to the 1-based index of the bit (event 0x00000001 = 1,
>> + * event 0x80000000 = 32), or 0 if no event was pending.
>> + */
>> +#define EC_CMD_ACPI_QUERY_EVENT 0x0084
>> +
>> +/* Valid addresses in ACPI memory space, for read/write commands */
>> +
>> +/* Memory space version; set to EC_ACPI_MEM_VERSION_CURRENT */
>> +#define EC_ACPI_MEM_VERSION 0x00
>> +/*
>> + * Test location; writing value here updates test compliment byte to (0xff -
>> + * value).
>> + */
>> +#define EC_ACPI_MEM_TEST 0x01
>> +/* Test compliment; writes here are ignored. */
>> +#define EC_ACPI_MEM_TEST_COMPLIMENT 0x02
>> +
>> +/* Keyboard backlight brightness percent (0 - 100) */
>> +#define EC_ACPI_MEM_KEYBOARD_BACKLIGHT 0x03
>> +/* DPTF Target Fan Duty (0-100, 0xff for auto/none) */
>> +#define EC_ACPI_MEM_FAN_DUTY 0x04
>> +
>> +/*
>> + * DPTF temp thresholds. Any of the EC's temp sensors can have up to two
>> + * independent thresholds attached to them. The current value of the ID
>> + * register determines which sensor is affected by the THRESHOLD and COMMIT
>> + * registers. The THRESHOLD register uses the same EC_TEMP_SENSOR_OFFSET scheme
>> + * as the memory-mapped sensors. The COMMIT register applies those settings.
>> + *
>> + * The spec does not mandate any way to read back the threshold settings
>> + * themselves, but when a threshold is crossed the AP needs a way to determine
>> + * which sensor(s) are responsible. Each reading of the ID register clears and
>> + * returns one sensor ID that has crossed one of its threshold (in either
>> + * direction) since the last read. A value of 0xFF means "no new thresholds
>> + * have tripped". Setting or enabling the thresholds for a sensor will clear
>> + * the unread event count for that sensor.
>> + */
>> +#define EC_ACPI_MEM_TEMP_ID 0x05
>> +#define EC_ACPI_MEM_TEMP_THRESHOLD 0x06
>> +#define EC_ACPI_MEM_TEMP_COMMIT 0x07
>> +/*
>> + * Here are the bits for the COMMIT register:
>> + * bit 0 selects the threshold index for the chosen sensor (0/1)
>> + * bit 1 enables/disables the selected threshold (0 = off, 1 = on)
>> + * Each write to the commit register affects one threshold.
>> + */
>> +#define EC_ACPI_MEM_TEMP_COMMIT_SELECT_MASK BIT(0)
>> +#define EC_ACPI_MEM_TEMP_COMMIT_ENABLE_MASK BIT(1)
>> +/*
>> + * Example:
>> + *
>> + * Set the thresholds for sensor 2 to 50 C and 60 C:
>> + * write 2 to [0x05] -- select temp sensor 2
>> + * write 0x7b to [0x06] -- C_TO_K(50) - EC_TEMP_SENSOR_OFFSET
>> + * write 0x2 to [0x07] -- enable threshold 0 with this value
>> + * write 0x85 to [0x06] -- C_TO_K(60) - EC_TEMP_SENSOR_OFFSET
>> + * write 0x3 to [0x07] -- enable threshold 1 with this value
>> + *
>> + * Disable the 60 C threshold, leaving the 50 C threshold unchanged:
>> + * write 2 to [0x05] -- select temp sensor 2
>> + * write 0x1 to [0x07] -- disable threshold 1
>> + */
>> +
>> +/* DPTF battery charging current limit */
>> +#define EC_ACPI_MEM_CHARGING_LIMIT 0x08
>> +
>> +/* Charging limit is specified in 64 mA steps */
>> +#define EC_ACPI_MEM_CHARGING_LIMIT_STEP_MA 64
>> +/* Value to disable DPTF battery charging limit */
>> +#define EC_ACPI_MEM_CHARGING_LIMIT_DISABLED 0xff
>> +
>> +/*
>> + * Report device orientation
>> + * Bits Definition
>> + * 3:1 Device DPTF Profile Number (DDPN)
>> + * 0 = Reserved for backward compatibility (indicates no valid
>> + * profile number. Host should fall back to using TBMD).
>> + * 1..7 = DPTF Profile number to indicate to host which table needs
>> + * to be loaded.
>> + * 0 Tablet Mode Device Indicator (TBMD)
>> + */
>> +#define EC_ACPI_MEM_DEVICE_ORIENTATION 0x09
>> +#define EC_ACPI_MEM_TBMD_SHIFT 0
>> +#define EC_ACPI_MEM_TBMD_MASK 0x1
>> +#define EC_ACPI_MEM_DDPN_SHIFT 1
>> +#define EC_ACPI_MEM_DDPN_MASK 0x7
>> +
>> +/*
>> + * Report device features. Uses the same format as the host command, except:
>> + *
>> + * bit 0 (EC_FEATURE_LIMITED) changes meaning from "EC code has a limited set
>> + * of features", which is of limited interest when the system is already
>> + * interpreting ACPI bytecode, to "EC_FEATURES[0-7] is not supported". Since
>> + * these are supported, it defaults to 0.
>> + * This allows detecting the presence of this field since older versions of
>> + * the EC codebase would simply return 0xff to that unknown address. Check
>> + * FEATURES0 != 0xff (or FEATURES0[0] == 0) to make sure that the other bits
>> + * are valid.
>> + */
>> +#define EC_ACPI_MEM_DEVICE_FEATURES0 0x0a
>> +#define EC_ACPI_MEM_DEVICE_FEATURES1 0x0b
>> +#define EC_ACPI_MEM_DEVICE_FEATURES2 0x0c
>> +#define EC_ACPI_MEM_DEVICE_FEATURES3 0x0d
>> +#define EC_ACPI_MEM_DEVICE_FEATURES4 0x0e
>> +#define EC_ACPI_MEM_DEVICE_FEATURES5 0x0f
>> +#define EC_ACPI_MEM_DEVICE_FEATURES6 0x10
>> +#define EC_ACPI_MEM_DEVICE_FEATURES7 0x11
>> +
>> +#define EC_ACPI_MEM_BATTERY_INDEX 0x12
>> +
>> +/*
>> + * USB Port Power. Each bit indicates whether the corresponding USB ports' power
>> + * is enabled (1) or disabled (0).
>> + * bit 0 USB port ID 0
>> + * ...
>> + * bit 7 USB port ID 7
>> + */
>> +#define EC_ACPI_MEM_USB_PORT_POWER 0x13
>> +
>> +/*
>> + * ACPI addresses 0x20 - 0xff map to EC_MEMMAP offset 0x00 - 0xdf. This data
>> + * is read-only from the AP. Added in EC_ACPI_MEM_VERSION 2.
>> + */
>> +#define EC_ACPI_MEM_MAPPED_BEGIN 0x20
>> +#define EC_ACPI_MEM_MAPPED_SIZE 0xe0
>> +
>> +/* Current version of ACPI memory address space */
>> +#define EC_ACPI_MEM_VERSION_CURRENT 2
>> +
>> +
>> /*
>> * This header file is used in coreboot both in C and ACPI code. The ACPI code
>> * is pre-processed to handle constants but the ASL compiler is unable to
>> @@ -197,6 +411,92 @@
>> #define __packed __attribute__((packed))
>> #endif
>>
>> +#ifndef __aligned
>> +#define __aligned(x) __attribute__((aligned(x)))
>> +#endif
>> +
>> +/*
>> + * Attributes for EC request and response packets. Just defining __packed
>> + * results in inefficient assembly code on ARM, if the structure is actually
>> + * 32-bit aligned, as it should be for all buffers.
>> + *
>> + * Be very careful when adding these to existing structures. They will round
>> + * up the structure size to the specified boundary.
>> + *
>> + * Also be very careful to make that if a structure is included in some other
>> + * parent structure that the alignment will still be true given the packing of
>> + * the parent structure. This is particularly important if the sub-structure
>> + * will be passed as a pointer to another function, since that function will
>> + * not know about the misaligment caused by the parent structure's packing.
>> + *
>> + * Also be very careful using __packed - particularly when nesting non-packed
>> + * structures inside packed ones. In fact, DO NOT use __packed directly;
>> + * always use one of these attributes.
>> + *
>> + * Once everything is annotated properly, the following search strings should
>> + * not return ANY matches in this file other than right here:
>> + *
>> + * "__packed" - generates inefficient code; all sub-structs must also be packed
>> + *
>> + * "struct [^_]" - all structs should be annotated, except for structs that are
>> + * members of other structs/unions (and their original declarations should be
>> + * annotated).
>> + */
>> +#ifdef CONFIG_HOSTCMD_ALIGNED
>> +
>> +/*
>> + * Packed structures where offset and size are always aligned to 1, 2, or 4
>> + * byte boundary.
>> + */
>> +#define __ec_align1 __packed
>> +#define __ec_align2 __packed __aligned(2)
>> +#define __ec_align4 __packed __aligned(4)
>> +
>> +/*
>> + * Packed structure which must be under-aligned, because its size is not a
>> + * 4-byte multiple. This is sub-optimal because it forces byte-wise access
>> + * of all multi-byte fields in it, even though they are themselves aligned.
>> + *
>> + * In theory, we could duplicate the structure with __aligned(4) for accessing
>> + * its members, but use the __packed version for sizeof().
>> + */
>> +#define __ec_align_size1 __packed
>> +
>> +/*
>> + * Packed structure which must be under-aligned, because its offset inside a
>> + * parent structure is not a 4-byte multiple.
>> + */
>> +#define __ec_align_offset1 __packed
>> +#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
>> @@ -206,7 +506,7 @@
>> #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. Unsupported by Chrome EC, so this bit is never set */
>> +/* 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
>> @@ -222,7 +522,9 @@
>> #define EC_LPC_STATUS_BUSY_MASK \
>> (EC_LPC_STATUS_FROM_HOST | EC_LPC_STATUS_PROCESSING)
>>
>> -/* Host command response codes */
>> +/* 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,
>> @@ -238,7 +540,13 @@ enum ec_status {
>> 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_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 */
>> + EC_RES_INVALID_HEADER_VERSION = 17, /* Header version invalid */
>> + EC_RES_INVALID_HEADER_CRC = 18, /* Header CRC invalid */
>> + EC_RES_INVALID_DATA_CRC = 19, /* Data CRC invalid */
>> + EC_RES_DUP_UNAVAILABLE = 20, /* Can't resend response */
>> };
>>
>> /*
>> @@ -258,7 +566,8 @@ enum host_event_code {
>> EC_HOST_EVENT_BATTERY_CRITICAL = 7,
>> EC_HOST_EVENT_BATTERY = 8,
>> EC_HOST_EVENT_THERMAL_THRESHOLD = 9,
>> - EC_HOST_EVENT_THERMAL_OVERLOAD = 10,
>> + /* 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,
>> @@ -285,15 +594,34 @@ enum host_event_code {
>> 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,
>>
>> - /* EC desires to change state of host-controlled USB mux */
>> - EC_HOST_EVENT_USB_MUX = 28,
>> + /* 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 or detachable base attach/detach event */
>> + EC_HOST_EVENT_MODE_CHANGE = 29,
>> +
>> + /* Keyboard recovery combo with hardware reinitialization */
>> + EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT = 30,
>> +
>> /*
>> * 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
>> @@ -304,7 +632,7 @@ enum host_event_code {
>> EC_HOST_EVENT_INVALID = 32
>> };
>> /* Host event mask */
>> -#define EC_HOST_EVENT_MASK(event_code) (1UL << ((event_code) - 1))
>> +#define EC_HOST_EVENT_MASK(event_code) BIT_ULL((event_code) - 1)
>>
>> /**
>> * struct ec_lpc_host_args - Arguments at EC_LPC_ADDR_HOST_ARGS
>> @@ -319,7 +647,7 @@ struct ec_lpc_host_args {
>> uint8_t command_version;
>> uint8_t data_size;
>> uint8_t checksum;
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Flags for ec_lpc_host_args.flags */
>> /*
>> @@ -329,7 +657,7 @@ struct ec_lpc_host_args {
>> * 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,
>> - * withouth setting EC_HOST_ARGS_FLAG_TO_HOST).
>> + * without setting EC_HOST_ARGS_FLAG_TO_HOST).
>> */
>> #define EC_HOST_ARGS_FLAG_FROM_HOST 0x01
>> /*
>> @@ -490,7 +818,7 @@ struct ec_host_request {
>> uint8_t command_version;
>> uint8_t reserved;
>> uint16_t data_len;
>> -} __packed;
>> +} __ec_align4;
>>
>> #define EC_HOST_RESPONSE_VERSION 3
>>
>> @@ -509,18 +837,151 @@ struct ec_host_response {
>> uint16_t result;
>> uint16_t data_len;
>> uint16_t reserved;
>> -} __packed;
>> +} __ec_align4;
>> +
>> +/*****************************************************************************/
>> +
>> +/*
>> + * Host command protocol V4.
>> + *
>> + * Packets always start with a request or response header. They are followed
>> + * by data_len bytes of data. If the data_crc_present flag is set, the data
>> + * bytes are followed by a CRC-8 of that data, using using x^8 + x^2 + x + 1
>> + * polynomial.
>> + *
>> + * Host algorithm when sending a request q:
>> + *
>> + * 101) tries_left=(some value, e.g. 3);
>> + * 102) q.seq_num++
>> + * 103) q.seq_dup=0
>> + * 104) Calculate q.header_crc.
>> + * 105) Send request q to EC.
>> + * 106) Wait for response r. Go to 201 if received or 301 if timeout.
>> + *
>> + * 201) If r.struct_version != 4, go to 301.
>> + * 202) If r.header_crc mismatches calculated CRC for r header, go to 301.
>> + * 203) If r.data_crc_present and r.data_crc mismatches, go to 301.
>> + * 204) If r.seq_num != q.seq_num, go to 301.
>> + * 205) If r.seq_dup == q.seq_dup, return success.
>> + * 207) If r.seq_dup == 1, go to 301.
>> + * 208) Return error.
>> + *
>> + * 301) If --tries_left <= 0, return error.
>> + * 302) If q.seq_dup == 1, go to 105.
>> + * 303) q.seq_dup = 1
>> + * 304) Go to 104.
>> + *
>> + * EC algorithm when receiving a request q.
>> + * EC has response buffer r, error buffer e.
>> + *
>> + * 101) If q.struct_version != 4, set e.result = EC_RES_INVALID_HEADER_VERSION
>> + * and go to 301
>> + * 102) If q.header_crc mismatches calculated CRC, set e.result =
>> + * EC_RES_INVALID_HEADER_CRC and go to 301
>> + * 103) If q.data_crc_present, calculate data CRC. If that mismatches the CRC
>> + * byte at the end of the packet, set e.result = EC_RES_INVALID_DATA_CRC
>> + * and go to 301.
>> + * 104) If q.seq_dup == 0, go to 201.
>> + * 105) If q.seq_num != r.seq_num, go to 201.
>> + * 106) If q.seq_dup == r.seq_dup, go to 205, else go to 203.
>> + *
>> + * 201) Process request q into response r.
>> + * 202) r.seq_num = q.seq_num
>> + * 203) r.seq_dup = q.seq_dup
>> + * 204) Calculate r.header_crc
>> + * 205) If r.data_len > 0 and data is no longer available, set e.result =
>> + * EC_RES_DUP_UNAVAILABLE and go to 301.
>> + * 206) Send response r.
>> + *
>> + * 301) e.seq_num = q.seq_num
>> + * 302) e.seq_dup = q.seq_dup
>> + * 303) Calculate e.header_crc.
>> + * 304) Send error response e.
>> + */
>> +
>> +/* Version 4 request from host */
>> +struct ec_host_request4 {
>> + /*
>> + * bits 0-3: struct_version: Structure version (=4)
>> + * bit 4: is_response: Is response (=0)
>> + * bits 5-6: seq_num: Sequence number
>> + * bit 7: seq_dup: Sequence duplicate flag
>> + */
>> + uint8_t fields0;
>> +
>> + /*
>> + * bits 0-4: command_version: Command version
>> + * bits 5-6: Reserved (set 0, ignore on read)
>> + * bit 7: data_crc_present: Is data CRC present after data
>> + */
>> + uint8_t fields1;
>> +
>> + /* Command code (EC_CMD_*) */
>> + uint16_t command;
>> +
>> + /* Length of data which follows this header (not including data CRC) */
>> + uint16_t data_len;
>> +
>> + /* Reserved (set 0, ignore on read) */
>> + uint8_t reserved;
>> +
>> + /* CRC-8 of above fields, using x^8 + x^2 + x + 1 polynomial */
>> + uint8_t header_crc;
>> +} __ec_align4;
>> +
>> +/* Version 4 response from EC */
>> +struct ec_host_response4 {
>> + /*
>> + * bits 0-3: struct_version: Structure version (=4)
>> + * bit 4: is_response: Is response (=1)
>> + * bits 5-6: seq_num: Sequence number
>> + * bit 7: seq_dup: Sequence duplicate flag
>> + */
>> + uint8_t fields0;
>> +
>> + /*
>> + * bits 0-6: Reserved (set 0, ignore on read)
>> + * bit 7: data_crc_present: Is data CRC present after data
>> + */
>> + uint8_t fields1;
>> +
>> + /* Result code (EC_RES_*) */
>> + uint16_t result;
>> +
>> + /* Length of data which follows this header (not including data CRC) */
>> + uint16_t data_len;
>> +
>> + /* Reserved (set 0, ignore on read) */
>> + uint8_t reserved;
>> +
>> + /* CRC-8 of above fields, using x^8 + x^2 + x + 1 polynomial */
>> + uint8_t header_crc;
>> +} __ec_align4;
>> +
>> +/* Fields in fields0 byte */
>> +#define EC_PACKET4_0_STRUCT_VERSION_MASK 0x0f
>> +#define EC_PACKET4_0_IS_RESPONSE_MASK 0x10
>> +#define EC_PACKET4_0_SEQ_NUM_SHIFT 5
>> +#define EC_PACKET4_0_SEQ_NUM_MASK 0x60
>> +#define EC_PACKET4_0_SEQ_DUP_MASK 0x80
>> +
>> +/* Fields in fields1 byte */
>> +#define EC_PACKET4_1_COMMAND_VERSION_MASK 0x1f /* (request only) */
>> +#define EC_PACKET4_1_DATA_CRC_PRESENT_MASK 0x80
>>
>> /*****************************************************************************/
>> /*
>> * Notes on commands:
>> *
>> * Each command is an 16-bit command value. Commands which take params or
>> - * return response data specify structs for that data. If no struct is
>> + * 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.
>> */
>>
>> /*****************************************************************************/
>> @@ -530,7 +991,7 @@ struct ec_host_response {
>> * Get protocol version, used to deal with non-backward compatible protocol
>> * changes.
>> */
>> -#define EC_CMD_PROTO_VERSION 0x00
>> +#define EC_CMD_PROTO_VERSION 0x0000
>>
>> /**
>> * struct ec_response_proto_version - Response to the proto version command.
>> @@ -538,13 +999,13 @@ struct ec_host_response {
>> */
>> struct ec_response_proto_version {
>> uint32_t version;
>> -} __packed;
>> +} __ec_align4;
>>
>> /*
>> * Hello. This is a simple command to test the EC is responsive to
>> * commands.
>> */
>> -#define EC_CMD_HELLO 0x01
>> +#define EC_CMD_HELLO 0x0001
>>
>> /**
>> * struct ec_params_hello - Parameters to the hello command.
>> @@ -552,7 +1013,7 @@ struct ec_response_proto_version {
>> */
>> struct ec_params_hello {
>> uint32_t in_data;
>> -} __packed;
>> +} __ec_align4;
>>
>> /**
>> * struct ec_response_hello - Response to the hello command.
>> @@ -560,10 +1021,10 @@ struct ec_params_hello {
>> */
>> struct ec_response_hello {
>> uint32_t out_data;
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Get version number */
>> -#define EC_CMD_GET_VERSION 0x02
>> +#define EC_CMD_GET_VERSION 0x0002
>>
>> enum ec_current_image {
>> EC_IMAGE_UNKNOWN = 0,
>> @@ -583,10 +1044,10 @@ struct ec_response_get_version {
>> char version_string_rw[32];
>> char reserved[32];
>> uint32_t current_image;
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Read test */
>> -#define EC_CMD_READ_TEST 0x03
>> +#define EC_CMD_READ_TEST 0x0003
>>
>> /**
>> * struct ec_params_read_test - Parameters for the read test command.
>> @@ -596,7 +1057,7 @@ struct ec_response_get_version {
>> struct ec_params_read_test {
>> uint32_t offset;
>> uint32_t size;
>> -} __packed;
>> +} __ec_align4;
>>
>> /**
>> * struct ec_response_read_test - Response to the read test command.
>> @@ -604,17 +1065,17 @@ struct ec_params_read_test {
>> */
>> struct ec_response_read_test {
>> uint32_t data[32];
>> -} __packed;
>> +} __ec_align4;
>>
>> /*
>> * Get build information
>> *
>> * Response is null-terminated string.
>> */
>> -#define EC_CMD_GET_BUILD_INFO 0x04
>> +#define EC_CMD_GET_BUILD_INFO 0x0004
>>
>> /* Get chip info */
>> -#define EC_CMD_GET_CHIP_INFO 0x05
>> +#define EC_CMD_GET_CHIP_INFO 0x0005
>>
>> /**
>> * struct ec_response_get_chip_info - Response to the get chip info command.
>> @@ -626,10 +1087,10 @@ struct ec_response_get_chip_info {
>> char vendor[32];
>> char name[32];
>> char revision[32];
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Get board HW version */
>> -#define EC_CMD_GET_BOARD_VERSION 0x06
>> +#define EC_CMD_GET_BOARD_VERSION 0x0006
>>
>> /**
>> * struct ec_response_board_version - Response to the board version command.
>> @@ -637,7 +1098,7 @@ struct ec_response_get_chip_info {
>> */
>> struct ec_response_board_version {
>> uint16_t board_version;
>> -} __packed;
>> +} __ec_align2;
>>
>> /*
>> * Read memory-mapped data.
>> @@ -647,7 +1108,7 @@ struct ec_response_board_version {
>> *
>> * Response is params.size bytes of data.
>> */
>> -#define EC_CMD_READ_MEMMAP 0x07
>> +#define EC_CMD_READ_MEMMAP 0x0007
>>
>> /**
>> * struct ec_params_read_memmap - Parameters for the read memory map command.
>> @@ -657,10 +1118,10 @@ struct ec_response_board_version {
>> struct ec_params_read_memmap {
>> uint8_t offset;
>> uint8_t size;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* Read versions supported for a command */
>> -#define EC_CMD_GET_CMD_VERSIONS 0x08
>> +#define EC_CMD_GET_CMD_VERSIONS 0x0008
>>
>> /**
>> * struct ec_params_get_cmd_versions - Parameters for the get command versions.
>> @@ -668,7 +1129,7 @@ struct ec_params_read_memmap {
>> */
>> struct ec_params_get_cmd_versions {
>> uint8_t cmd;
>> -} __packed;
>> +} __ec_align1;
>>
>> /**
>> * struct ec_params_get_cmd_versions_v1 - Parameters for the get command
>> @@ -677,7 +1138,7 @@ struct ec_params_get_cmd_versions {
>> */
>> struct ec_params_get_cmd_versions_v1 {
>> uint16_t cmd;
>> -} __packed;
>> +} __ec_align2;
>>
>> /**
>> * struct ec_response_get_cmd_version - Response to the get command versions.
>> @@ -686,20 +1147,20 @@ struct ec_params_get_cmd_versions_v1 {
>> */
>> struct ec_response_get_cmd_versions {
>> uint32_t version_mask;
>> -} __packed;
>> +} __ec_align4;
>>
>> /*
>> - * Check EC communcations status (busy). This is needed on i2c/spi but not
>> + * 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 0x09
>> +#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 */
>> + EC_COMMS_STATUS_PROCESSING = BIT(0), /* Processing cmd */
>> };
>>
>> /**
>> @@ -709,29 +1170,29 @@ enum ec_comms_status {
>> */
>> struct ec_response_get_comms_status {
>> uint32_t flags; /* Mask of enum ec_comms_status */
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Fake a variety of responses, purely for testing purposes. */
>> -#define EC_CMD_TEST_PROTOCOL 0x0a
>> +#define EC_CMD_TEST_PROTOCOL 0x000A
>>
>> /* Tell the EC what to send back to us. */
>> struct ec_params_test_protocol {
>> uint32_t ec_result;
>> uint32_t ret_len;
>> uint8_t buf[32];
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Here it comes... */
>> struct ec_response_test_protocol {
>> uint8_t buf[32];
>> -} __packed;
>> +} __ec_align4;
>>
>> -/* Get prococol information */
>> -#define EC_CMD_GET_PROTOCOL_INFO 0x0b
>> +/* 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)
>> +#define EC_PROTOCOL_INFO_IN_PROGRESS_SUPPORTED BIT(0)
>>
>> /**
>> * struct ec_response_get_protocol_info - Response to the get protocol info.
>> @@ -747,7 +1208,7 @@ struct ec_response_get_protocol_info {
>> uint16_t max_request_packet_size;
>> uint16_t max_response_packet_size;
>> uint32_t flags;
>> -} __packed;
>> +} __ec_align4;
>>
>>
>> /*****************************************************************************/
>> @@ -765,19 +1226,19 @@ struct ec_response_get_protocol_info {
>> struct ec_params_get_set_value {
>> uint32_t flags;
>> uint32_t value;
>> -} __packed;
>> +} __ec_align4;
>>
>> struct ec_response_get_set_value {
>> uint32_t flags;
>> uint32_t value;
>> -} __packed;
>> +} __ec_align4;
>>
>> -/* More than one command can use these structs to get/set paramters. */
>> -#define EC_CMD_GSV_PAUSE_IN_S5 0x0c
>> +/* 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 0x0d
>> +#define EC_CMD_GET_FEATURES 0x000D
>>
>> /* Supported features */
>> enum ec_feature_code {
>> @@ -840,7 +1301,7 @@ enum ec_feature_code {
>> * (Common Smart Battery System Interface Specification)
>> */
>> EC_FEATURE_SMART_BATTERY = 18,
>> - /* EC can dectect when the host hangs. */
>> + /* EC can detect when the host hangs. */
>> EC_FEATURE_HANG_DETECT = 19,
>> /* Report power information, for pit only */
>> EC_FEATURE_PMU = 20,
>> @@ -852,24 +1313,68 @@ enum ec_feature_code {
>> 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,
>> + /* EC supports audio codec. */
>> + EC_FEATURE_AUDIO_CODEC = 38,
>> + /* EC Supports SCP. */
>> + EC_FEATURE_SCP = 39,
>> + /* The MCU is an Integrated Sensor Hub */
>> + EC_FEATURE_ISH = 40,
>> };
>>
>> -#define EC_FEATURE_MASK_0(event_code) (1UL << (event_code % 32))
>> -#define EC_FEATURE_MASK_1(event_code) (1UL << (event_code - 32))
>> +#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];
>> -} __packed;
>> +} __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_sku_id_info {
>> + uint32_t sku_id;
>> +} __ec_align4;
>>
>> /*****************************************************************************/
>> /* Flash commands */
>>
>> /* Get flash info */
>> -#define EC_CMD_FLASH_INFO 0x10
>> +#define EC_CMD_FLASH_INFO 0x0010
>> +#define EC_VER_FLASH_INFO 2
>>
>> /**
>> * struct ec_response_flash_info - Response to the flash info command.
>> @@ -888,11 +1393,22 @@ struct ec_response_flash_info {
>> uint32_t write_block_size;
>> uint32_t erase_block_size;
>> uint32_t protect_block_size;
>> -} __packed;
>> +} __ec_align4;
>> +
>> +/*
>> + * Flags for version 1+ flash info command
>> + * EC flash erases bits to 0 instead of 1.
>> + */
>> +#define EC_FLASH_INFO_ERASE_TO_0 BIT(0)
>>
>> -/* 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 BIT(1)
>>
>> /**
>> * struct ec_response_flash_info_1 - Response to the flash info v1 command.
>> @@ -914,7 +1430,14 @@ struct ec_response_flash_info {
>> * fields following.
>> *
>> * gcc anonymous structs don't seem to get along with the __packed directive;
>> - * if they did we'd define the version 0 struct as a sub-struct of this one.
>> + * 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_response_flash_info_1 {
>> /* Version 0 fields; see above for description */
>> @@ -926,14 +1449,50 @@ struct ec_response_flash_info_1 {
>> /* Version 1 adds these fields: */
>> uint32_t write_ideal_size;
>> uint32_t flags;
>> -} __packed;
>> +} __ec_align4;
>> +
>> +struct 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];
>> +} __ec_align4;
>> +
>> +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_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];
>> +} __ec_align4;
>>
>> /*
>> * Read flash
>> *
>> * Response is params.size bytes of data.
>> */
>> -#define EC_CMD_FLASH_READ 0x11
>> +#define EC_CMD_FLASH_READ 0x0011
>>
>> /**
>> * struct ec_params_flash_read - Parameters for the flash read command.
>> @@ -943,10 +1502,10 @@ struct ec_response_flash_info_1 {
>> struct ec_params_flash_read {
>> uint32_t offset;
>> uint32_t size;
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Write flash */
>> -#define EC_CMD_FLASH_WRITE 0x12
>> +#define EC_CMD_FLASH_WRITE 0x0012
>> #define EC_VER_FLASH_WRITE 1
>>
>> /* Version 0 of the flash command supported only 64 bytes of data */
>> @@ -961,56 +1520,102 @@ struct ec_params_flash_write {
>> uint32_t offset;
>> uint32_t size;
>> /* Followed by data to write */
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Erase flash */
>> -#define EC_CMD_FLASH_ERASE 0x13
>> +#define EC_CMD_FLASH_ERASE 0x0013
>>
>> /**
>> - * struct ec_params_flash_erase - Parameters for the flash erase command.
>> + * struct ec_params_flash_erase - Parameters for the flash erase command, v0.
>> * @offset: Byte offset to erase.
>> * @size: Size to erase in bytes.
>> */
>> struct ec_params_flash_erase {
>> uint32_t offset;
>> uint32_t size;
>> -} __packed;
>> +} __ec_align4;
>>
>> /*
>> - * 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.
>> + * 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_params_flash_erase_v1 - Parameters for the flash erase command, v1.
>> + * @cmd: One of ec_flash_erase_cmd.
>> + * @reserved: Pad byte; currently always contains 0.
>> + * @flag: No flags defined yet; set to 0.
>> + * @params: Same as v0 parameters.
>> + */
>> +struct ec_params_flash_erase_v1 {
>> + uint8_t cmd;
>> + uint8_t reserved;
>> + uint16_t flag;
>> + struct ec_params_flash_erase params;
>> +} __ec_align4;
>> +
>> +/*
>> + * 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 0x15
>> +#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)
>> +#define EC_FLASH_PROTECT_RO_AT_BOOT BIT(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)
>> +#define EC_FLASH_PROTECT_RO_NOW BIT(1)
>> /* Entire flash code protected now, until reboot. */
>> -#define EC_FLASH_PROTECT_ALL_NOW (1 << 2)
>> +#define EC_FLASH_PROTECT_ALL_NOW BIT(2)
>> /* Flash write protect GPIO is asserted now */
>> -#define EC_FLASH_PROTECT_GPIO_ASSERTED (1 << 3)
>> +#define EC_FLASH_PROTECT_GPIO_ASSERTED BIT(3)
>> /* Error - at least one bank of flash is stuck locked, and cannot be unlocked */
>> -#define EC_FLASH_PROTECT_ERROR_STUCK (1 << 4)
>> +#define EC_FLASH_PROTECT_ERROR_STUCK BIT(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)
>> -/* Entile flash code protected when the EC boots */
>> -#define EC_FLASH_PROTECT_ALL_AT_BOOT (1 << 6)
>> +#define EC_FLASH_PROTECT_ERROR_INCONSISTENT BIT(5)
>> +/* Entire flash code protected when the EC boots */
>> +#define EC_FLASH_PROTECT_ALL_AT_BOOT BIT(6)
>> +/* RW flash code protected when the EC boots */
>> +#define EC_FLASH_PROTECT_RW_AT_BOOT BIT(7)
>> +/* RW flash code protected now. */
>> +#define EC_FLASH_PROTECT_RW_NOW BIT(8)
>> +/* Rollback information flash region protected when the EC boots */
>> +#define EC_FLASH_PROTECT_ROLLBACK_AT_BOOT BIT(9)
>> +/* Rollback information flash region protected now */
>> +#define EC_FLASH_PROTECT_ROLLBACK_NOW BIT(10)
>> +
>>
>> /**
>> * struct ec_params_flash_protect - Parameters for the flash protect command.
>> @@ -1020,7 +1625,7 @@ struct ec_params_flash_erase {
>> struct ec_params_flash_protect {
>> uint32_t mask;
>> uint32_t flags;
>> -} __packed;
>> +} __ec_align4;
>>
>> /**
>> * struct ec_response_flash_protect - Response to the flash protect command.
>> @@ -1035,7 +1640,7 @@ struct ec_response_flash_protect {
>> uint32_t flags;
>> uint32_t valid_flags;
>> uint32_t writable_flags;
>> -} __packed;
>> +} __ec_align4;
>>
>> /*
>> * Note: commands 0x14 - 0x19 version 0 were old commands to get/set flash
>> @@ -1043,22 +1648,37 @@ struct ec_response_flash_protect {
>> */
>>
>> /* Get the region offset/size */
>> -#define EC_CMD_FLASH_REGION_INFO 0x16
>> +#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 rewritable EC image */
>> - EC_FLASH_REGION_RW,
>> + /*
>> + * Region which holds active RW image. 'Active' is different from
>> + * 'running'. Active means 'scheduled-to-run'. Since RO image always
>> + * scheduled to run, active/non-active applies only to RW images (for
>> + * the same reason 'update' applies only to RW images. It's a state of
>> + * an image on a flash. Running image can be RO, RW_A, RW_B but active
>> + * image can only be RW_A or RW_B. In recovery mode, an active RW image
>> + * doesn't enter 'running' state but it's still active on a flash.
>> + */
>> + 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 (non-active) RW image */
>> + EC_FLASH_REGION_UPDATE,
>> /* Number of regions */
>> EC_FLASH_REGION_COUNT,
>> };
>> +/*
>> + * 'RW' is vague if there are multiple RW images; we mean the active one,
>> + * so the old constant is deprecated.
>> + */
>> +#define EC_FLASH_REGION_RW EC_FLASH_REGION_ACTIVE
>>
>> /**
>> * struct ec_params_flash_region_info - Parameters for the flash region info
>> @@ -1067,15 +1687,15 @@ enum ec_flash_region {
>> */
>> struct ec_params_flash_region_info {
>> uint32_t region;
>> -} __packed;
>> +} __ec_align4;
>>
>> struct ec_response_flash_region_info {
>> uint32_t offset;
>> uint32_t size;
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Read/write VbNvContext */
>> -#define EC_CMD_VBNV_CONTEXT 0x17
>> +#define EC_CMD_VBNV_CONTEXT 0x0017
>> #define EC_VER_VBNV_CONTEXT 1
>> #define EC_VBNV_BLOCK_SIZE 16
>>
>> @@ -1087,52 +1707,99 @@ enum ec_vbnvcontext_op {
>> struct ec_params_vbnvcontext {
>> uint32_t op;
>> uint8_t block[EC_VBNV_BLOCK_SIZE];
>> -} __packed;
>> +} __ec_align4;
>>
>> struct ec_response_vbnvcontext {
>> uint8_t block[EC_VBNV_BLOCK_SIZE];
>> -} __packed;
>> +} __ec_align4;
>> +
>> +
>> +/* Get SPI flash information */
>> +#define EC_CMD_FLASH_SPI_INFO 0x0018
>> +
>> +struct ec_response_flash_spi_info {
>> + /* JEDEC info from command 0x9F (manufacturer, memory type, size) */
>> + uint8_t jedec[3];
>> +
>> + /* Pad byte; currently always contains 0 */
>> + uint8_t reserved0;
>> +
>> + /* Manufacturer / device ID from command 0x90 */
>> + uint8_t mfr_dev_id[2];
>> +
>> + /* Status registers from command 0x05 and 0x35 */
>> + uint8_t sr1, sr2;
>> +} __ec_align1;
>> +
>> +
>> +/* Select flash during flash operations */
>> +#define EC_CMD_FLASH_SELECT 0x0019
>> +
>> +/**
>> + * struct ec_params_flash_select - Parameters for the flash select command.
>> + * @select: 1 to select flash, 0 to deselect flash
>> + */
>> +struct ec_params_flash_select {
>> + uint8_t select;
>> +} __ec_align4;
>> +
>>
>> /*****************************************************************************/
>> /* PWM commands */
>>
>> /* Get fan target RPM */
>> -#define EC_CMD_PWM_GET_FAN_TARGET_RPM 0x20
>> +#define EC_CMD_PWM_GET_FAN_TARGET_RPM 0x0020
>>
>> struct ec_response_pwm_get_fan_rpm {
>> uint32_t rpm;
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Set target fan RPM */
>> -#define EC_CMD_PWM_SET_FAN_TARGET_RPM 0x21
>> +#define EC_CMD_PWM_SET_FAN_TARGET_RPM 0x0021
>> +
>> +/* Version 0 of input params */
>> +struct ec_params_pwm_set_fan_target_rpm_v0 {
>> + uint32_t rpm;
>> +} __ec_align4;
>>
>> -struct ec_params_pwm_set_fan_target_rpm {
>> +/* Version 1 of input params */
>> +struct ec_params_pwm_set_fan_target_rpm_v1 {
>> uint32_t rpm;
>> -} __packed;
>> + uint8_t fan_idx;
>> +} __ec_align_size1;
>>
>> /* Get keyboard backlight */
>> -#define EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT 0x22
>> +/* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */
>> +#define EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT 0x0022
>>
>> struct ec_response_pwm_get_keyboard_backlight {
>> uint8_t percent;
>> uint8_t enabled;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* Set keyboard backlight */
>> -#define EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT 0x23
>> +/* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */
>> +#define EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT 0x0023
>>
>> struct ec_params_pwm_set_keyboard_backlight {
>> uint8_t percent;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* Set target fan PWM duty cycle */
>> -#define EC_CMD_PWM_SET_FAN_DUTY 0x24
>> +#define EC_CMD_PWM_SET_FAN_DUTY 0x0024
>> +
>> +/* Version 0 of input params */
>> +struct ec_params_pwm_set_fan_duty_v0 {
>> + uint32_t percent;
>> +} __ec_align4;
>>
>> -struct ec_params_pwm_set_fan_duty {
>> +/* Version 1 of input params */
>> +struct ec_params_pwm_set_fan_duty_v1 {
>> uint32_t percent;
>> -} __packed;
>> + uint8_t fan_idx;
>> +} __ec_align_size1;
>>
>> -#define EC_CMD_PWM_SET_DUTY 0x25
>> +#define EC_CMD_PWM_SET_DUTY 0x0025
>> /* 16 bit duty cycle, 0xffff = 100% */
>> #define EC_PWM_MAX_DUTY 0xffff
>>
>> @@ -1150,18 +1817,18 @@ struct 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 */
>> -} __packed;
>> +} __ec_align4;
>>
>> -#define EC_CMD_PWM_GET_DUTY 0x26
>> +#define EC_CMD_PWM_GET_DUTY 0x0026
>>
>> struct ec_params_pwm_get_duty {
>> uint8_t pwm_type; /* ec_pwm_type */
>> uint8_t index; /* Type-specific index, or 0 if unique */
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_pwm_get_duty {
>> uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */
>> -} __packed;
>> +} __ec_align2;
>>
>> /*****************************************************************************/
>> /*
>> @@ -1170,11 +1837,11 @@ struct ec_response_pwm_get_duty {
>> * 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 0x28
>> +#define EC_CMD_LIGHTBAR_CMD 0x0028
>>
>> struct rgb_s {
>> uint8_t r, g, b;
>> -};
>> +} __ec_todo_unpacked;
>>
>> #define LB_BATTERY_LEVELS 4
>>
>> @@ -1214,7 +1881,7 @@ struct lightbar_params_v0 {
>>
>> /* Color palette */
>> struct rgb_s color[8]; /* 0-3 are Google colors */
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> struct lightbar_params_v1 {
>> /* Timing */
>> @@ -1227,9 +1894,72 @@ struct lightbar_params_v1 {
>> 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 */
>> +} __ec_todo_packed;
>> +
>> +/* 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 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;
>> +} __ec_todo_packed;
>>
>> +struct lightbar_params_v2_tap {
>> /* Tap-for-battery params */
>> uint8_t tap_pct_red;
>> uint8_t tap_pct_green;
>> @@ -1237,102 +1967,140 @@ struct lightbar_params_v1 {
>> uint8_t tap_seg_max_on;
>> uint8_t tap_seg_osc;
>> uint8_t tap_idx[3];
>> +} __ec_todo_packed;
>>
>> +struct 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 */
>> +} __ec_todo_packed;
>>
>> +struct 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 */
>> +} __ec_todo_packed;
>>
>> +struct lightbar_params_v2_thresholds {
>> /* Battery level thresholds */
>> uint8_t battery_threshold[LB_BATTERY_LEVELS - 1];
>> +} __ec_todo_packed;
>>
>> +struct 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 */
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> -/* Lightbar program */
>> +/* Lightbyte program. */
>> #define EC_LB_PROG_LEN 192
>> struct lightbar_program {
>> uint8_t size;
>> uint8_t data[EC_LB_PROG_LEN];
>> -};
>> +} __ec_todo_unpacked;
>>
>> struct ec_params_lightbar {
>> uint8_t cmd; /* Command (see enum lightbar_command) */
>> union {
>> - struct {
>> - /* no args */
>> - } dump, off, on, init, get_seq, get_params_v0, get_params_v1,
>> - version, get_brightness, get_demo, suspend, resume;
>> + /*
>> + * The following commands have 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
>> + *
>> + * Don't use an empty struct, because C++ hates that.
>> + */
>>
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint8_t num;
>> } set_brightness, seq, demo;
>>
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint8_t ctrl, reg, value;
>> } reg;
>>
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint8_t led, red, green, blue;
>> } set_rgb;
>>
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint8_t led;
>> } get_rgb;
>>
>> - struct {
>> + 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;
>> };
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> struct ec_response_lightbar {
>> union {
>> - struct {
>> - struct {
>> + struct __ec_todo_unpacked {
>> + struct __ec_todo_unpacked {
>> uint8_t reg;
>> uint8_t ic0;
>> uint8_t ic1;
>> } vals[23];
>> } dump;
>>
>> - struct {
>> + 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 {
>> +
>> + 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 {
>> + struct __ec_todo_unpacked {
>> uint8_t red, green, blue;
>> } get_rgb;
>>
>> - struct {
>> - /* 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;
>> + /*
>> + * The following commands have no response:
>> + *
>> + * 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
>> + */
>> };
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> /* Lightbar commands */
>> enum lightbar_command {
>> @@ -1358,13 +2126,25 @@ enum lightbar_command {
>> 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 0x29
>> +#define EC_CMD_LED_CONTROL 0x0029
>>
>> enum ec_led_id {
>> /* LED to indicate battery state of charge */
>> @@ -1376,13 +2156,21 @@ enum ec_led_id {
>> 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 */
>> +#define EC_LED_FLAGS_QUERY BIT(0) /* Query LED capability only */
>> +#define EC_LED_FLAGS_AUTO BIT(1) /* Switch LED back to automatic control */
>>
>> enum ec_led_colors {
>> EC_LED_COLOR_RED = 0,
>> @@ -1390,6 +2178,7 @@ enum ec_led_colors {
>> EC_LED_COLOR_BLUE,
>> EC_LED_COLOR_YELLOW,
>> EC_LED_COLOR_WHITE,
>> + EC_LED_COLOR_AMBER,
>>
>> EC_LED_COLOR_COUNT
>> };
>> @@ -1399,7 +2188,7 @@ struct ec_params_led_control {
>> uint8_t flags; /* Control flags */
>>
>> uint8_t brightness[EC_LED_COLOR_COUNT];
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_led_control {
>> /*
>> @@ -1410,7 +2199,7 @@ struct ec_response_led_control {
>> * Other values means the LED is control by PWM.
>> */
>> uint8_t brightness_range[EC_LED_COLOR_COUNT];
>> -} __packed;
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>> /* Verified boot commands */
>> @@ -1421,7 +2210,7 @@ struct ec_response_led_control {
>> */
>>
>> /* Verified boot hash command */
>> -#define EC_CMD_VBOOT_HASH 0x2A
>> +#define EC_CMD_VBOOT_HASH 0x002A
>>
>> struct ec_params_vboot_hash {
>> uint8_t cmd; /* enum ec_vboot_hash_cmd */
>> @@ -1431,7 +2220,7 @@ struct ec_params_vboot_hash {
>> 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 */
>> -} __packed;
>> +} __ec_align4;
>>
>> struct ec_response_vboot_hash {
>> uint8_t status; /* enum ec_vboot_hash_status */
>> @@ -1441,7 +2230,7 @@ struct ec_response_vboot_hash {
>> uint32_t offset; /* Offset in flash which was hashed */
>> uint32_t size; /* Number of bytes hashed */
>> uint8_t hash_digest[64]; /* Hash digest data */
>> -} __packed;
>> +} __ec_align4;
>>
>> enum ec_vboot_hash_cmd {
>> EC_VBOOT_HASH_GET = 0, /* Get current hash status */
>> @@ -1465,15 +2254,22 @@ enum ec_vboot_hash_status {
>> * 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_RW 0xfffffffd
>> +#define EC_VBOOT_HASH_OFFSET_RO 0xfffffffe
>> +#define EC_VBOOT_HASH_OFFSET_ACTIVE 0xfffffffd
>> +#define EC_VBOOT_HASH_OFFSET_UPDATE 0xfffffffc
>> +
>> +/*
>> + * 'RW' is vague if there are multiple RW images; we mean the active one,
>> + * so the old constant is deprecated.
>> + */
>> +#define EC_VBOOT_HASH_OFFSET_RW EC_VBOOT_HASH_OFFSET_ACTIVE
>>
>> /*****************************************************************************/
>> /*
>> * 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 0x2B
>> +#define EC_CMD_MOTION_SENSE_CMD 0x002B
>>
>> /* Motion sense commands */
>> enum motionsense_command {
>> @@ -1492,7 +2288,13 @@ enum motionsense_command {
>>
>> /*
>> * EC Rate command is a setter/getter command for the EC sampling rate
>> - * of all motion sensors in milliseconds.
>> + * 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,
>>
>> @@ -1523,32 +2325,76 @@ enum motionsense_command {
>> MOTIONSENSE_CMD_DATA = 6,
>>
>> /*
>> - * Perform low level calibration.. On sensors that support it, ask to
>> - * do offset calibration.
>> + * 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
>> + * 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,
>>
>> - /* Number of motionsense sub-commands. */
>> - MOTIONSENSE_NUM_CMDS
>> -};
>> + /*
>> + * 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,
>>
>> -enum motionsensor_id {
>> - EC_MOTION_SENSOR_ACCEL_BASE = 0,
>> - EC_MOTION_SENSOR_ACCEL_LID = 1,
>> - EC_MOTION_SENSOR_GYRO = 2,
>> + /*
>> + * 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,
>> +
>> + /* Set lid angle for tablet mode detection. */
>> + MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE = 17,
>>
>> /*
>> - * Note, if more sensors are added and this count changes, the padding
>> - * in ec_response_motion_sense dump command must be modified.
>> + * Sensor Scale command is a setter/getter command for the calibration
>> + * scale.
>> */
>> - EC_MOTION_SENSOR_COUNT = 3
>> + MOTIONSENSE_CMD_SENSOR_SCALE = 18,
>> +
>> + /* Number of motionsense sub-commands. */
>> + MOTIONSENSE_NUM_CMDS
>> };
>>
>> /* List of motion sensor types. */
>> @@ -1560,6 +2406,7 @@ enum motionsensor_type {
>> MOTIONSENSE_TYPE_LIGHT = 4,
>> MOTIONSENSE_TYPE_ACTIVITY = 5,
>> MOTIONSENSE_TYPE_BARO = 6,
>> + MOTIONSENSE_TYPE_SYNC = 7,
>> MOTIONSENSE_TYPE_MAX,
>> };
>>
>> @@ -1567,19 +2414,115 @@ enum motionsensor_type {
>> enum motionsensor_location {
>> MOTIONSENSE_LOC_BASE = 0,
>> MOTIONSENSE_LOC_LID = 1,
>> + MOTIONSENSE_LOC_CAMERA = 2,
>> 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,
>> + MOTIONSENSE_CHIP_BH1730 = 11,
>> + MOTIONSENSE_CHIP_GPIO = 12,
>> + MOTIONSENSE_CHIP_LIS2DH = 13,
>> + MOTIONSENSE_CHIP_LSM6DSM = 14,
>> + MOTIONSENSE_CHIP_LIS2DE = 15,
>> + MOTIONSENSE_CHIP_LIS2MDL = 16,
>> + MOTIONSENSE_CHIP_LSM6DS3 = 17,
>> + MOTIONSENSE_CHIP_LSM6DSO = 18,
>> + MOTIONSENSE_CHIP_MAX,
>> +};
>> +
>> +/* List of orientation positions */
>> +enum motionsensor_orientation {
>> + MOTIONSENSE_ORIENTATION_LANDSCAPE = 0,
>> + MOTIONSENSE_ORIENTATION_PORTRAIT = 1,
>> + MOTIONSENSE_ORIENTATION_UPSIDE_DOWN_PORTRAIT = 2,
>> + MOTIONSENSE_ORIENTATION_UPSIDE_DOWN_LANDSCAPE = 3,
>> + MOTIONSENSE_ORIENTATION_UNKNOWN = 4,
>> +};
>> +
>> +struct 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];
>> + };
>> + };
>> +} __ec_todo_packed;
>> +
>> +/* Note: used in ec_response_get_next_data */
>> +struct 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.
>> + * aka accurate timestamp when host event was triggered.
>> + */
>> + 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];
>> +} __ec_todo_packed;
>> +
>> +struct ec_response_motion_sense_fifo_data {
>> + uint32_t number_data;
>> + struct ec_response_motion_sensor_data data[0];
>> +} __ec_todo_packed;
>> +
>> +/* List supported activity recognition */
>> +enum motionsensor_activity {
>> + MOTIONSENSE_ACTIVITY_RESERVED = 0,
>> + MOTIONSENSE_ACTIVITY_SIG_MOTION = 1,
>> + MOTIONSENSE_ACTIVITY_DOUBLE_TAP = 2,
>> + MOTIONSENSE_ACTIVITY_ORIENTATION = 3,
>> };
>>
>> +struct 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 */
>> +} __ec_todo_unpacked;
>> +
>> /* Module flag masks used for the dump sub-command. */
>> -#define MOTIONSENSE_MODULE_FLAG_ACTIVE (1<<0)
>> +#define MOTIONSENSE_MODULE_FLAG_ACTIVE BIT(0)
>>
>> /* Sensor flag masks used for the dump sub-command. */
>> -#define MOTIONSENSE_SENSOR_FLAG_PRESENT (1<<0)
>> +#define MOTIONSENSE_SENSOR_FLAG_PRESENT BIT(0)
>> +
>> +/*
>> + * Flush entry for synchronization.
>> + * data contains time stamp
>> + */
>> +#define MOTIONSENSE_SENSOR_FLAG_FLUSH BIT(0)
>> +#define MOTIONSENSE_SENSOR_FLAG_TIMESTAMP BIT(1)
>> +#define MOTIONSENSE_SENSOR_FLAG_WAKEUP BIT(2)
>> +#define MOTIONSENSE_SENSOR_FLAG_TABLET_MODE BIT(3)
>> +#define MOTIONSENSE_SENSOR_FLAG_ODR BIT(4)
>>
>> /*
>> * Send this value for the data element to only perform a read. If you
>> @@ -1590,48 +2533,79 @@ enum motionsensor_chip {
>>
>> #define EC_MOTION_SENSE_INVALID_CALIB_TEMP 0x8000
>>
>> +/* MOTIONSENSE_CMD_SENSOR_OFFSET subcommand flag */
>> /* Set Calibration information */
>> -#define MOTION_SENSE_SET_OFFSET 1
>> +#define MOTION_SENSE_SET_OFFSET BIT(0)
>>
>> -struct 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 {
>> - uint16_t rsvd;
>> - uint32_t timestamp;
>> - } __packed;
>> - struct {
>> - uint8_t activity; /* motionsensor_activity */
>> - uint8_t state;
>> - int16_t add_info[2];
>> - };
>> - };
>> -} __packed;
>> +/* Default Scale value, factor 1. */
>> +#define MOTION_SENSE_DEFAULT_SCALE BIT(15)
>> +
>> +#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_params_motion_sense {
>> uint8_t cmd;
>> union {
>> - /* Used for MOTIONSENSE_CMD_DUMP. */
>> - struct {
>> - /* no args */
>> + /* 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_EC_RATE and
>> - * MOTIONSENSE_CMD_KB_WAKE_ANGLE.
>> + * Used for MOTIONSENSE_CMD_KB_WAKE_ANGLE.
>> */
>> - struct {
>> - /* Data to set or EC_MOTION_SENSE_NO_VALUE to read. */
>> + 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;
>> - } ec_rate, kb_wake_angle;
>> + } 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 {
>> + struct __ec_todo_packed {
>> uint8_t sensor_num;
>>
>> /*
>> @@ -1657,51 +2631,117 @@ struct ec_params_motion_sense {
>> * Compass: 1/16 uT
>> */
>> int16_t offset[3];
>> - } __packed sensor_offset;
>> + } sensor_offset;
>>
>> - /* Used for MOTIONSENSE_CMD_INFO. */
>> - struct {
>> + /* Used for MOTIONSENSE_CMD_SENSOR_SCALE */
>> + struct __ec_todo_packed {
>> uint8_t sensor_num;
>> - } info;
>>
>> - /*
>> - * Used for MOTIONSENSE_CMD_SENSOR_ODR and
>> - * MOTIONSENSE_CMD_SENSOR_RANGE.
>> - */
>> - struct {
>> - /* Should be element of enum motionsensor_id. */
>> - 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;
>>
>> - /* Rounding flag, true for round-up, false for down. */
>> - uint8_t roundup;
>> + /*
>> + * Temperature at calibration, in units of 0.01 C
>> + * 0x8000: invalid / unknown.
>> + * 0x0: 0C
>> + * 0x7fff: +327.67C
>> + */
>> + int16_t temp;
>>
>> - uint16_t reserved;
>> + /*
>> + * Scale for calibration:
>> + * By default scale is 1, it is encoded on 16bits:
>> + * 1 = BIT(15)
>> + * ~2 = 0xFFFF
>> + * ~0 = 0.
>> + */
>> + uint16_t scale[3];
>> + } sensor_scale;
>>
>> - /* Data to set or EC_MOTION_SENSE_NO_VALUE to read. */
>> - int32_t data;
>> - } sensor_odr, sensor_range;
>> +
>> + /* Used for MOTIONSENSE_CMD_FIFO_INFO */
>> + /* (no params) */
>> +
>> + /* 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 */
>> + /* (no params) */
>> +
>> + /* 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;
>> +
>> + /* Used for MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE. */
>> + struct __ec_todo_unpacked {
>> + /*
>> + * Lid angle threshold for switching between tablet and
>> + * clamshell mode.
>> + */
>> + int16_t lid_angle;
>> +
>> + /*
>> + * Hysteresis degree to prevent fluctuations between
>> + * clamshell and tablet mode if lid angle keeps
>> + * changing around the threshold. Lid motion driver will
>> + * use lid_angle + hys_degree to trigger tablet mode and
>> + * lid_angle - hys_degree to trigger clamshell mode.
>> + */
>> + int16_t hys_degree;
>> + } tablet_mode_threshold;
>> };
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> struct ec_response_motion_sense {
>> union {
>> - /* Used for MOTIONSENSE_CMD_DUMP. */
>> - struct {
>> + /* 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. */
>> + /* Number of sensors managed directly by the EC */
>> uint8_t sensor_count;
>>
>> /*
>> - * Sensor data is truncated if response_max is too small
>> + * 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 {
>> + struct __ec_todo_unpacked {
>> /* Should be element of enum motionsensor_type. */
>> uint8_t type;
>>
>> @@ -1712,74 +2752,166 @@ struct ec_response_motion_sense {
>> 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, and
>> - * MOTIONSENSE_CMD_KB_WAKE_ANGLE.
>> + * MOTIONSENSE_CMD_SENSOR_RANGE,
>> + * MOTIONSENSE_CMD_KB_WAKE_ANGLE,
>> + * MOTIONSENSE_CMD_FIFO_INT_ENABLE and
>> + * MOTIONSENSE_CMD_SPOOF.
>> */
>> - struct {
>> + struct __ec_todo_unpacked {
>> /* Current value of the parameter queried. */
>> int32_t ret;
>> - } ec_rate, sensor_odr, sensor_range, kb_wake_angle;
>> + } ec_rate, sensor_odr, sensor_range, kb_wake_angle,
>> + fifo_int_enable, spoof;
>>
>> - /* Used for MOTIONSENSE_CMD_SENSOR_OFFSET */
>> - struct {
>> + /*
>> + * Used for MOTIONSENSE_CMD_SENSOR_OFFSET,
>> + * PERFORM_CALIB.
>> + */
>> + struct __ec_todo_unpacked {
>> int16_t temp;
>> int16_t offset[3];
>> } sensor_offset, perform_calib;
>> - };
>> -} __packed;
>>
>> -/*****************************************************************************/
>> -/* USB charging control commands */
>> + /* Used for MOTIONSENSE_CMD_SENSOR_SCALE */
>> + struct __ec_todo_unpacked {
>> + int16_t temp;
>> + uint16_t scale[3];
>> + } sensor_scale;
>>
>> -/* Set USB port charging mode */
>> -#define EC_CMD_USB_CHARGE_SET_MODE 0x30
>> + struct ec_response_motion_sense_fifo_info fifo_info, fifo_flush;
>>
>> -struct ec_params_usb_charge_set_mode {
>> - uint8_t usb_port_id;
>> - uint8_t mode;
>> -} __packed;
>> + struct ec_response_motion_sense_fifo_data fifo_read;
>>
>> -/*****************************************************************************/
>> + struct __ec_todo_packed {
>> + uint16_t reserved;
>> + uint32_t enabled;
>> + uint32_t disabled;
>> + } list_activities;
>> +
>> + /* No params for 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;
>> +
>> + /* Used for MOTIONSENSE_CMD_TABLET_MODE_LID_ANGLE. */
>> + struct __ec_todo_unpacked {
>> + /*
>> + * Lid angle threshold for switching between tablet and
>> + * clamshell mode.
>> + */
>> + uint16_t lid_angle;
>> +
>> + /* Hysteresis degree. */
>> + uint16_t hys_degree;
>> + } tablet_mode_threshold;
>> +
>> + };
>> +} __ec_todo_packed;
>> +
>> +/*****************************************************************************/
>> +/* Force lid open command */
>> +
>> +/* Make lid event always open */
>> +#define EC_CMD_FORCE_LID_OPEN 0x002C
>> +
>> +struct ec_params_force_lid_open {
>> + uint8_t enabled;
>> +} __ec_align1;
>> +
>> +/*****************************************************************************/
>> +/* 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 = BIT(0),
>> +};
>> +
>> +struct ec_params_config_power_button {
>> + /* See enum ec_config_power_button_flags */
>> + uint8_t flags;
>> +} __ec_align1;
>> +
>> +/*****************************************************************************/
>> +/* USB charging control commands */
>> +
>> +/* Set USB port charging mode */
>> +#define EC_CMD_USB_CHARGE_SET_MODE 0x0030
>> +
>> +struct ec_params_usb_charge_set_mode {
>> + uint8_t usb_port_id;
>> + uint8_t mode:7;
>> + uint8_t inhibit_charge:1;
>> +} __ec_align1;
>> +
>> +/*****************************************************************************/
>> /* 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 0x40
>> +#define EC_CMD_PSTORE_INFO 0x0040
>>
>> struct 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;
>> -} __packed;
>> +} __ec_align4;
>>
>> /*
>> * Read persistent storage
>> *
>> * Response is params.size bytes of data.
>> */
>> -#define EC_CMD_PSTORE_READ 0x41
>> +#define EC_CMD_PSTORE_READ 0x0041
>>
>> struct ec_params_pstore_read {
>> uint32_t offset; /* Byte offset to read */
>> uint32_t size; /* Size to read in bytes */
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Write persistent storage */
>> -#define EC_CMD_PSTORE_WRITE 0x42
>> +#define EC_CMD_PSTORE_WRITE 0x0042
>>
>> struct 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];
>> -} __packed;
>> +} __ec_align4;
>>
>> /*****************************************************************************/
>> /* Real-time clock */
>> @@ -1787,21 +2919,21 @@ struct ec_params_pstore_write {
>> /* RTC params and response structures */
>> struct ec_params_rtc {
>> uint32_t time;
>> -} __packed;
>> +} __ec_align4;
>>
>> struct ec_response_rtc {
>> uint32_t time;
>> -} __packed;
>> +} __ec_align4;
>>
>> /* These use ec_response_rtc */
>> -#define EC_CMD_RTC_GET_VALUE 0x44
>> -#define EC_CMD_RTC_GET_ALARM 0x45
>> +#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 0x46
>> -#define EC_CMD_RTC_SET_ALARM 0x47
>> +#define EC_CMD_RTC_SET_VALUE 0x0046
>> +#define EC_CMD_RTC_SET_ALARM 0x0047
>>
>> -/* Pass as param to SET_ALARM to clear the current alarm */
>> +/* Pass as time param to SET_ALARM to clear the current alarm */
>> #define EC_RTC_ALARM_CLEAR 0
>>
>> /*****************************************************************************/
>> @@ -1811,8 +2943,8 @@ struct ec_response_rtc {
>> #define EC_PORT80_SIZE_MAX 32
>>
>> /* Get last port80 code from previous boot */
>> -#define EC_CMD_PORT80_LAST_BOOT 0x48
>> -#define EC_CMD_PORT80_READ 0x48
>> +#define EC_CMD_PORT80_LAST_BOOT 0x0048
>> +#define EC_CMD_PORT80_READ 0x0048
>>
>> enum ec_port80_subcmd {
>> EC_PORT80_GET_INFO = 0,
>> @@ -1822,29 +2954,72 @@ enum ec_port80_subcmd {
>> struct ec_params_port80_read {
>> uint16_t subcmd;
>> union {
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint32_t offset;
>> uint32_t num_entries;
>> } read_buffer;
>> };
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> struct ec_response_port80_read {
>> union {
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint32_t writes;
>> uint32_t history_size;
>> uint32_t last_boot;
>> } get_info;
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint16_t codes[EC_PORT80_SIZE_MAX];
>> } data;
>> };
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> struct ec_response_port80_last_boot {
>> uint16_t code;
>> -} __packed;
>> +} __ec_align2;
>> +
>> +/*****************************************************************************/
>> +/* 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_response_vstore_info {
>> + /* Indicates which slots are locked */
>> + uint32_t slot_locked;
>> + /* Total number of slots available */
>> + uint8_t slot_count;
>> +} __ec_align_size1;
>> +
>> +/*
>> + * Read temporary secure storage
>> + *
>> + * Response is EC_VSTORE_SLOT_SIZE bytes of data.
>> + */
>> +#define EC_CMD_VSTORE_READ 0x004A
>> +
>> +struct ec_params_vstore_read {
>> + uint8_t slot; /* Slot to read from */
>> +} __ec_align1;
>> +
>> +struct ec_response_vstore_read {
>> + uint8_t data[EC_VSTORE_SLOT_SIZE];
>> +} __ec_align1;
>> +
>> +/*
>> + * Write temporary secure storage and lock it.
>> + */
>> +#define EC_CMD_VSTORE_WRITE 0x004B
>> +
>> +struct ec_params_vstore_write {
>> + uint8_t slot; /* Slot to write to */
>> + uint8_t data[EC_VSTORE_SLOT_SIZE];
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>> /* Thermal engine commands. Note that there are two implementations. We'll
>> @@ -1853,8 +3028,8 @@ struct ec_response_port80_last_boot {
>> * Version 1 separates the CPU thermal limits from the fan control.
>> */
>>
>> -#define EC_CMD_THERMAL_SET_THRESHOLD 0x50
>> -#define EC_CMD_THERMAL_GET_THRESHOLD 0x51
>> +#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.
>> @@ -1865,17 +3040,17 @@ struct ec_params_thermal_set_threshold {
>> uint8_t sensor_type;
>> uint8_t threshold_id;
>> uint16_t value;
>> -} __packed;
>> +} __ec_align2;
>>
>> /* Version 0 - get */
>> struct ec_params_thermal_get_threshold {
>> uint8_t sensor_type;
>> uint8_t threshold_id;
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_thermal_get_threshold {
>> uint16_t value;
>> -} __packed;
>> +} __ec_align2;
>>
>>
>> /* The version 1 structs are visible. */
>> @@ -1887,19 +3062,39 @@ enum ec_temp_thresholds {
>> EC_TEMP_THRESH_COUNT
>> };
>>
>> -/* Thermal configuration for one temperature sensor. Temps are in degrees K.
>> +/*
>> + * Thermal configuration for one temperature sensor. Temps are in degrees K.
>> * Zero values will be silently ignored by the thermal task.
>> + *
>> + * Set 'temp_host' value allows thermal task to trigger some event with 1 degree
>> + * hysteresis.
>> + * For example,
>> + * temp_host[EC_TEMP_THRESH_HIGH] = 300 K
>> + * temp_host_release[EC_TEMP_THRESH_HIGH] = 0 K
>> + * EC will throttle ap when temperature >= 301 K, and release throttling when
>> + * temperature <= 299 K.
>> + *
>> + * Set 'temp_host_release' value allows thermal task has a custom hysteresis.
>> + * For example,
>> + * temp_host[EC_TEMP_THRESH_HIGH] = 300 K
>> + * temp_host_release[EC_TEMP_THRESH_HIGH] = 295 K
>> + * EC will throttle ap when temperature >= 301 K, and release throttling when
>> + * temperature <= 294 K.
>> + *
>> + * Note that this structure is a sub-structure of
>> + * ec_params_thermal_set_threshold_v1, but maintains its alignment there.
>> */
>> struct ec_thermal_config {
>> uint32_t temp_host[EC_TEMP_THRESH_COUNT]; /* levels of hotness */
>> + uint32_t temp_host_release[EC_TEMP_THRESH_COUNT]; /* release levels */
>> uint32_t temp_fan_off; /* no active cooling needed */
>> uint32_t temp_fan_max; /* max active cooling needed */
>> -} __packed;
>> +} __ec_align4;
>>
>> /* Version 1 - get config for one sensor. */
>> struct ec_params_thermal_get_threshold_v1 {
>> uint32_t sensor_num;
>> -} __packed;
>> +} __ec_align4;
>> /* This returns a struct ec_thermal_config */
>>
>> /* Version 1 - set config for one sensor.
>> @@ -1907,51 +3102,82 @@ struct ec_params_thermal_get_threshold_v1 {
>> struct ec_params_thermal_set_threshold_v1 {
>> uint32_t sensor_num;
>> struct ec_thermal_config cfg;
>> -} __packed;
>> +} __ec_align4;
>> /* This returns no data */
>>
>> /****************************************************************************/
>>
>> /* Toggle automatic fan control */
>> -#define EC_CMD_THERMAL_AUTO_FAN_CTRL 0x52
>> +#define EC_CMD_THERMAL_AUTO_FAN_CTRL 0x0052
>>
>> -/* Get TMP006 calibration data */
>> -#define EC_CMD_TMP006_GET_CALIBRATION 0x53
>> +/* Version 1 of input params */
>> +struct ec_params_auto_fan_ctrl_v1 {
>> + uint8_t fan_idx;
>> +} __ec_align1;
>> +
>> +/* 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_params_tmp006_get_calibration {
>> uint8_t index;
>> -} __packed;
>> +} __ec_align1;
>>
>> -struct ec_response_tmp006_get_calibration {
>> +/* Version 0 */
>> +struct ec_response_tmp006_get_calibration_v0 {
>> float s0;
>> float b0;
>> float b1;
>> float b2;
>> -} __packed;
>> +} __ec_align4;
>>
>> -/* Set TMP006 calibration data */
>> -#define EC_CMD_TMP006_SET_CALIBRATION 0x54
>> -
>> -struct ec_params_tmp006_set_calibration {
>> +struct ec_params_tmp006_set_calibration_v0 {
>> uint8_t index;
>> - uint8_t reserved[3]; /* Reserved; set 0 */
>> + uint8_t reserved[3];
>> float s0;
>> float b0;
>> float b1;
>> float b2;
>> -} __packed;
>> +} __ec_align4;
>> +
>> +/* Version 1 */
>> +struct ec_response_tmp006_get_calibration_v1 {
>> + uint8_t algorithm;
>> + uint8_t num_params;
>> + uint8_t reserved[2];
>> + float val[0];
>> +} __ec_align4;
>> +
>> +struct ec_params_tmp006_set_calibration_v1 {
>> + uint8_t index;
>> + uint8_t algorithm;
>> + uint8_t num_params;
>> + uint8_t reserved;
>> + float val[0];
>> +} __ec_align4;
>> +
>>
>> /* Read raw TMP006 data */
>> -#define EC_CMD_TMP006_GET_RAW 0x55
>> +#define EC_CMD_TMP006_GET_RAW 0x0055
>>
>> struct ec_params_tmp006_get_raw {
>> uint8_t index;
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_tmp006_get_raw {
>> int32_t t; /* In 1/100 K */
>> int32_t v; /* In nV */
>> -};
>> +} __ec_align4;
>>
>> /*****************************************************************************/
>> /* MKBP - Matrix KeyBoard Protocol */
>> @@ -1966,24 +3192,24 @@ struct ec_response_tmp006_get_raw {
>> * 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 0x60
>> +#define EC_CMD_MKBP_STATE 0x0060
>>
>> /*
>> * Provide information about various MKBP things. See enum ec_mkbp_info_type.
>> */
>> -#define EC_CMD_MKBP_INFO 0x61
>> +#define EC_CMD_MKBP_INFO 0x0061
>>
>> struct ec_response_mkbp_info {
>> uint32_t rows;
>> uint32_t cols;
>> /* Formerly "switches", which was 0. */
>> uint8_t reserved;
>> -} __packed;
>> +} __ec_align_size1;
>>
>> struct ec_params_mkbp_info {
>> uint8_t info_type;
>> uint8_t event_type;
>> -} __packed;
>> +} __ec_align1;
>>
>> enum ec_mkbp_info_type {
>> /*
>> @@ -2025,17 +3251,28 @@ enum ec_mkbp_info_type {
>> };
>>
>> /* Simulate key press */
>> -#define EC_CMD_MKBP_SIMULATE_KEY 0x62
>> +#define EC_CMD_MKBP_SIMULATE_KEY 0x0062
>>
>> struct ec_params_mkbp_simulate_key {
>> uint8_t col;
>> uint8_t row;
>> uint8_t pressed;
>> -} __packed;
>> +} __ec_align1;
>> +
>> +#define EC_CMD_GET_KEYBOARD_ID 0x0063
>> +
>> +struct ec_response_keyboard_id {
>> + uint32_t keyboard_id;
>> +} __ec_align4;
>> +
>> +enum keyboard_id {
>> + KEYBOARD_ID_UNSUPPORTED = 0,
>> + KEYBOARD_ID_UNREADABLE = 0xffffffff,
>> +};
>>
>> /* Configure keyboard scanning */
>> -#define EC_CMD_MKBP_SET_CONFIG 0x64
>> -#define EC_CMD_MKBP_GET_CONFIG 0x65
>> +#define EC_CMD_MKBP_SET_CONFIG 0x0064
>> +#define EC_CMD_MKBP_GET_CONFIG 0x0065
>>
>> /* flags */
>> enum mkbp_config_flags {
>> @@ -2043,16 +3280,21 @@ enum mkbp_config_flags {
>> };
>>
>> 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,
>> + EC_MKBP_VALID_SCAN_PERIOD = BIT(0),
>> + EC_MKBP_VALID_POLL_TIMEOUT = BIT(1),
>> + EC_MKBP_VALID_MIN_POST_SCAN_DELAY = BIT(3),
>> + EC_MKBP_VALID_OUTPUT_SETTLE = BIT(4),
>> + EC_MKBP_VALID_DEBOUNCE_DOWN = BIT(5),
>> + EC_MKBP_VALID_DEBOUNCE_UP = BIT(6),
>> + EC_MKBP_VALID_FIFO_MAX_DEPTH = BIT(7),
>> };
>>
>> -/* Configuration for our key scanning algorithm */
>> +/*
>> + * Configuration for our key scanning algorithm.
>> + *
>> + * Note that this is used as a sub-structure of
>> + * ec_{params/response}_mkbp_get_config.
>> + */
>> struct ec_mkbp_config {
>> uint32_t valid_mask; /* valid fields */
>> uint8_t flags; /* some flags (enum mkbp_config_flags) */
>> @@ -2072,18 +3314,18 @@ struct ec_mkbp_config {
>> 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;
>> -} __packed;
>> +} __ec_align_size1;
>>
>> struct ec_params_mkbp_set_config {
>> struct ec_mkbp_config config;
>> -} __packed;
>> +} __ec_align_size1;
>>
>> struct ec_response_mkbp_get_config {
>> struct ec_mkbp_config config;
>> -} __packed;
>> +} __ec_align_size1;
>>
>> /* Run the key scan emulation */
>> -#define EC_CMD_KEYSCAN_SEQ_CTRL 0x66
>> +#define EC_CMD_KEYSCAN_SEQ_CTRL 0x0066
>>
>> enum ec_keyscan_seq_cmd {
>> EC_KEYSCAN_SEQ_STATUS = 0, /* Get status information */
>> @@ -2098,23 +3340,23 @@ 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,
>> + EC_KEYSCAN_SEQ_FLAG_DONE = BIT(0),
>> };
>>
>> struct ec_collect_item {
>> uint8_t flags; /* some flags (enum ec_collect_flags) */
>> -};
>> +} __ec_align1;
>>
>> struct ec_params_keyscan_seq_ctrl {
>> uint8_t cmd; /* Command to send (enum ec_keyscan_seq_cmd) */
>> union {
>> - struct {
>> + 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 {
>> + struct __ec_todo_unpacked {
>> /*
>> * Absolute time for this scan, measured from the
>> * start of the sequence.
>> @@ -2122,29 +3364,40 @@ struct ec_params_keyscan_seq_ctrl {
>> uint32_t time_us;
>> uint8_t scan[0]; /* keyscan data */
>> } add;
>> - struct {
>> + struct __ec_align1 {
>> uint8_t start_item; /* First item to return */
>> uint8_t num_items; /* Number of items to return */
>> } collect;
>> };
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> struct ec_result_keyscan_seq_ctrl {
>> union {
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint8_t num_items; /* Number of items */
>> /* Data for each item */
>> struct ec_collect_item item[0];
>> } collect;
>> };
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> /*
>> - * Command for retrieving the next pending MKBP event from the EC device
>> + * Get the next pending MKBP event.
>> *
>> - * The device replies with UNAVAILABLE if there aren't any pending events.
>> + * Returns EC_RES_UNAVAILABLE if there is no event pending.
>> + */
>> +#define EC_CMD_GET_NEXT_EVENT 0x0067
>> +
>> +#define EC_MKBP_HAS_MORE_EVENTS_SHIFT 7
>> +
>> +/*
>> + * We use the most significant bit of the event type to indicate to the host
>> + * that the EC has more MKBP events available to provide.
>> */
>> -#define EC_CMD_GET_NEXT_EVENT 0x67
>> +#define EC_MKBP_HAS_MORE_EVENTS BIT(EC_MKBP_HAS_MORE_EVENTS_SHIFT)
>> +
>> +/* The mask to apply to get the raw event type */
>> +#define EC_MKBP_EVENT_TYPE_MASK (BIT(EC_MKBP_HAS_MORE_EVENTS_SHIFT) - 1)
>>
>> enum ec_mkbp_event {
>> /* Keyboard matrix changed. The event data is the new matrix state. */
>> @@ -2162,9 +3415,21 @@ enum ec_mkbp_event {
>> /* The state of the switches have changed. */
>> EC_MKBP_EVENT_SWITCH = 4,
>>
>> - /* EC sent a sysrq command */
>> + /* 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,
>>
>> + /*
>> + * New 64-bit host event.
>> + * The event data is 8 bytes of host event flags.
>> + */
>> + EC_MKBP_EVENT_HOST_EVENT64 = 7,
>> +
>> /* Notify the AP that something happened on CEC */
>> EC_MKBP_EVENT_CEC_EVENT = 8,
>>
>> @@ -2174,65 +3439,140 @@ enum ec_mkbp_event {
>> /* Number of MKBP events */
>> EC_MKBP_EVENT_COUNT,
>> };
>> +BUILD_ASSERT(EC_MKBP_EVENT_COUNT <= EC_MKBP_EVENT_TYPE_MASK);
>>
>> -union ec_response_get_next_data {
>> - uint8_t key_matrix[13];
>> +union __ec_align_offset1 ec_response_get_next_data {
>> + uint8_t key_matrix[13];
>>
>> /* Unaligned */
>> - uint32_t host_event;
>> + uint32_t host_event;
>> + uint64_t host_event64;
>> +
>> + 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 buttons;
>> - uint32_t switches;
>> - uint32_t sysrq;
>> -} __packed;
>> + uint32_t fp_events;
>>
>> -union ec_response_get_next_data_v1 {
>> + uint32_t sysrq;
>> +
>> + /* CEC events from enum mkbp_cec_event */
>> + uint32_t cec_events;
>> +};
>> +
>> +union __ec_align_offset1 ec_response_get_next_data_v1 {
>> uint8_t key_matrix[16];
>> +
>> + /* Unaligned */
>> uint32_t host_event;
>> + uint64_t host_event64;
>> +
>> + 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;
>> +
>> + /* CEC events from enum mkbp_cec_event */
>> uint32_t cec_events;
>> +
>> uint8_t cec_message[16];
>> -} __packed;
>> +};
>> +BUILD_ASSERT(sizeof(union ec_response_get_next_data_v1) == 16);
>>
>> struct ec_response_get_next_event {
>> uint8_t event_type;
>> /* Followed by event data if any */
>> union ec_response_get_next_data data;
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_get_next_event_v1 {
>> uint8_t event_type;
>> /* Followed by event data if any */
>> union ec_response_get_next_data_v1 data;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* 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
>> #define EC_MKBP_BASE_ATTACHED 2
>>
>> +/* Run keyboard factory test scanning */
>> +#define EC_CMD_KEYBOARD_FACTORY_TEST 0x0068
>> +
>> +struct ec_response_keyboard_factory_test {
>> + uint16_t shorted; /* Keyboard pins are shorted */
>> +} __ec_align2;
>> +
>> +/* 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_ERRCODE(fp_events) ((fp_events) & 0x0000000F)
>> +#define EC_MKBP_FP_ENROLL_PROGRESS_OFFSET 4
>> +#define EC_MKBP_FP_ENROLL_PROGRESS(fpe) (((fpe) & 0x00000FF0) \
>> + >> EC_MKBP_FP_ENROLL_PROGRESS_OFFSET)
>> +#define EC_MKBP_FP_MATCH_IDX_OFFSET 12
>> +#define EC_MKBP_FP_MATCH_IDX_MASK 0x0000F000
>> +#define EC_MKBP_FP_MATCH_IDX(fpe) (((fpe) & EC_MKBP_FP_MATCH_IDX_MASK) \
>> + >> EC_MKBP_FP_MATCH_IDX_OFFSET)
>> +#define EC_MKBP_FP_ENROLL BIT(27)
>> +#define EC_MKBP_FP_MATCH BIT(28)
>> +#define EC_MKBP_FP_FINGER_DOWN BIT(29)
>> +#define EC_MKBP_FP_FINGER_UP BIT(30)
>> +#define EC_MKBP_FP_IMAGE_READY BIT(31)
>> +/* code given by EC_MKBP_FP_ERRCODE() when EC_MKBP_FP_ENROLL is set */
>> +#define EC_MKBP_FP_ERR_ENROLL_OK 0
>> +#define EC_MKBP_FP_ERR_ENROLL_LOW_QUALITY 1
>> +#define EC_MKBP_FP_ERR_ENROLL_IMMOBILE 2
>> +#define EC_MKBP_FP_ERR_ENROLL_LOW_COVERAGE 3
>> +#define EC_MKBP_FP_ERR_ENROLL_INTERNAL 5
>> +/* Can be used to detect if image was usable for enrollment or not. */
>> +#define EC_MKBP_FP_ERR_ENROLL_PROBLEM_MASK 1
>> +/* code given by EC_MKBP_FP_ERRCODE() when EC_MKBP_FP_MATCH is set */
>> +#define EC_MKBP_FP_ERR_MATCH_NO 0
>> +#define EC_MKBP_FP_ERR_MATCH_NO_INTERNAL 6
>> +#define EC_MKBP_FP_ERR_MATCH_NO_TEMPLATES 7
>> +#define EC_MKBP_FP_ERR_MATCH_NO_LOW_QUALITY 2
>> +#define EC_MKBP_FP_ERR_MATCH_NO_LOW_COVERAGE 4
>> +#define EC_MKBP_FP_ERR_MATCH_YES 1
>> +#define EC_MKBP_FP_ERR_MATCH_YES_UPDATED 3
>> +#define EC_MKBP_FP_ERR_MATCH_YES_UPDATE_FAILED 5
>> +
>> +
>> /*****************************************************************************/
>> /* Temperature sensor commands */
>>
>> /* Read temperature sensor info */
>> -#define EC_CMD_TEMP_SENSOR_GET_INFO 0x70
>> +#define EC_CMD_TEMP_SENSOR_GET_INFO 0x0070
>>
>> struct ec_params_temp_sensor_get_info {
>> uint8_t id;
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_temp_sensor_get_info {
>> char sensor_name[32];
>> uint8_t sensor_type;
>> -} __packed;
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>>
>> @@ -2245,49 +3585,131 @@ struct ec_response_temp_sensor_get_info {
>> /*****************************************************************************/
>> /* Host event commands */
>>
>> +
>> +/* Obsolete. New implementation should use EC_CMD_HOST_EVENT instead */
>> /*
>> * Host event mask params and response structures, shared by all of the host
>> * event commands below.
>> */
>> struct ec_params_host_event_mask {
>> uint32_t mask;
>> -} __packed;
>> +} __ec_align4;
>>
>> struct ec_response_host_event_mask {
>> uint32_t mask;
>> -} __packed;
>> +} __ec_align4;
>>
>> /* These all use ec_response_host_event_mask */
>> -#define EC_CMD_HOST_EVENT_GET_B 0x87
>> -#define EC_CMD_HOST_EVENT_GET_SMI_MASK 0x88
>> -#define EC_CMD_HOST_EVENT_GET_SCI_MASK 0x89
>> -#define EC_CMD_HOST_EVENT_GET_WAKE_MASK 0x8d
>> +#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 0x8a
>> -#define EC_CMD_HOST_EVENT_SET_SCI_MASK 0x8b
>> -#define EC_CMD_HOST_EVENT_CLEAR 0x8c
>> -#define EC_CMD_HOST_EVENT_SET_WAKE_MASK 0x8e
>> -#define EC_CMD_HOST_EVENT_CLEAR_B 0x8f
>> +#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_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;
>> +} __ec_align4;
>> +
>> +/*
>> + * Response structure returned by EC_CMD_HOST_EVENT.
>> + * Update the value on a GET request. Set to 0 on GET/CLEAR
>> + */
>> +
>> +struct ec_response_host_event {
>> +
>> + /* Mask value in case of get operation */
>> + uint64_t value;
>> +} __ec_align4;
>> +
>> +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 0x90
>> +#define EC_CMD_SWITCH_ENABLE_BKLIGHT 0x0090
>>
>> struct ec_params_switch_enable_backlight {
>> uint8_t enabled;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* Enable/disable WLAN/Bluetooth */
>> -#define EC_CMD_SWITCH_ENABLE_WIRELESS 0x91
>> +#define EC_CMD_SWITCH_ENABLE_WIRELESS 0x0091
>> #define EC_VER_SWITCH_ENABLE_WIRELESS 1
>>
>> /* Version 0 params; no response */
>> struct ec_params_switch_enable_wireless_v0 {
>> uint8_t enabled;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* Version 1 params */
>> struct ec_params_switch_enable_wireless_v1 {
>> @@ -2306,7 +3728,7 @@ struct ec_params_switch_enable_wireless_v1 {
>>
>> /* Which flags to copy from suspend_flags */
>> uint8_t suspend_mask;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* Version 1 response */
>> struct ec_response_switch_enable_wireless_v1 {
>> @@ -2315,55 +3737,56 @@ struct ec_response_switch_enable_wireless_v1 {
>>
>> /* Flags to leave enabled in S3 */
>> uint8_t suspend_flags;
>> -} __packed;
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>> /* GPIO commands. Only available on EC if write protect has been disabled. */
>>
>> /* Set GPIO output value */
>> -#define EC_CMD_GPIO_SET 0x92
>> +#define EC_CMD_GPIO_SET 0x0092
>>
>> struct ec_params_gpio_set {
>> char name[32];
>> uint8_t val;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* Get GPIO value */
>> -#define EC_CMD_GPIO_GET 0x93
>> +#define EC_CMD_GPIO_GET 0x0093
>>
>> /* Version 0 of input params and response */
>> struct ec_params_gpio_get {
>> char name[32];
>> -} __packed;
>> +} __ec_align1;
>> +
>> struct ec_response_gpio_get {
>> uint8_t val;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* Version 1 of input params and response */
>> struct ec_params_gpio_get_v1 {
>> uint8_t subcmd;
>> union {
>> - struct {
>> + struct __ec_align1 {
>> char name[32];
>> } get_value_by_name;
>> - struct {
>> + struct __ec_align1 {
>> uint8_t index;
>> } get_info;
>> };
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_gpio_get_v1 {
>> union {
>> - struct {
>> + struct __ec_align1 {
>> uint8_t val;
>> } get_value_by_name, get_count;
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint8_t val;
>> char name[32];
>> uint32_t flags;
>> } get_info;
>> };
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> enum gpio_get_subcmd {
>> EC_GPIO_GET_BY_NAME = 0,
>> @@ -2375,25 +3798,28 @@ enum gpio_get_subcmd {
>> /* I2C commands. Only available when flash write protect is unlocked. */
>>
>> /*
>> - * TODO(crosbug.com/p/23570): These commands are deprecated, and will be
>> - * removed soon. Use EC_CMD_I2C_XFER instead.
>> + * 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 0x94
>> +#define EC_CMD_I2C_READ 0x0094
>>
>> struct 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;
>> -} __packed;
>> +} __ec_align_size1;
>> +
>> struct ec_response_i2c_read {
>> uint16_t data;
>> -} __packed;
>> +} __ec_align2;
>>
>> /* Write I2C bus */
>> -#define EC_CMD_I2C_WRITE 0x95
>> +#define EC_CMD_I2C_WRITE 0x0095
>>
>> struct ec_params_i2c_write {
>> uint16_t data;
>> @@ -2401,7 +3827,7 @@ struct ec_params_i2c_write {
>> uint8_t write_size; /* Either 8 or 16. */
>> uint8_t port;
>> uint8_t offset;
>> -} __packed;
>> +} __ec_align_size1;
>>
>> /*****************************************************************************/
>> /* Charge state commands. Only available when flash write protect unlocked. */
>> @@ -2409,7 +3835,7 @@ struct ec_params_i2c_write {
>> /* Force charge state machine to stop charging the battery or force it to
>> * discharge the battery.
>> */
>> -#define EC_CMD_CHARGE_CONTROL 0x96
>> +#define EC_CMD_CHARGE_CONTROL 0x0096
>> #define EC_VER_CHARGE_CONTROL 1
>>
>> enum ec_charge_control_mode {
>> @@ -2420,13 +3846,12 @@ enum ec_charge_control_mode {
>>
>> struct ec_params_charge_control {
>> uint32_t mode; /* enum charge_control_mode */
>> -} __packed;
>> +} __ec_align4;
>>
>> /*****************************************************************************/
>> -/* 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 0x97
>> +#define EC_CMD_CONSOLE_SNAPSHOT 0x0097
>>
>> /*
>> * Read data from the saved snapshot. If the subcmd parameter is
>> @@ -2440,7 +3865,7 @@ struct ec_params_charge_control {
>> * Response is null-terminated string. Empty string, if there is no more
>> * remaining output.
>> */
>> -#define EC_CMD_CONSOLE_READ 0x98
>> +#define EC_CMD_CONSOLE_READ 0x0098
>>
>> enum ec_console_read_subcmd {
>> CONSOLE_READ_NEXT = 0,
>> @@ -2449,7 +3874,7 @@ enum ec_console_read_subcmd {
>>
>> struct ec_params_console_read_v1 {
>> uint8_t subcmd; /* enum ec_console_read_subcmd */
>> -} __packed;
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>>
>> @@ -2460,14 +3885,13 @@ struct ec_params_console_read_v1 {
>> * 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_CMD_BATTERY_CUT_OFF 0x99
>> -
>> -#define EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN (1 << 0)
>> +#define EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN BIT(0)
>>
>> struct ec_params_battery_cutoff {
>> uint8_t flags;
>> -} __packed;
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>> /* USB port mux control. */
>> @@ -2475,11 +3899,11 @@ struct ec_params_battery_cutoff {
>> /*
>> * Switch USB mux or return to automatic switching.
>> */
>> -#define EC_CMD_USB_MUX 0x9a
>> +#define EC_CMD_USB_MUX 0x009A
>>
>> struct ec_params_usb_mux {
>> uint8_t mux;
>> -} __packed;
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>> /* LDOs / FETs control. */
>> @@ -2492,25 +3916,25 @@ enum ec_ldo_state {
>> /*
>> * Switch on/off a LDO.
>> */
>> -#define EC_CMD_LDO_SET 0x9b
>> +#define EC_CMD_LDO_SET 0x009B
>>
>> struct ec_params_ldo_set {
>> uint8_t index;
>> uint8_t state;
>> -} __packed;
>> +} __ec_align1;
>>
>> /*
>> * Get LDO state.
>> */
>> -#define EC_CMD_LDO_GET 0x9c
>> +#define EC_CMD_LDO_GET 0x009C
>>
>> struct ec_params_ldo_get {
>> uint8_t index;
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_ldo_get {
>> uint8_t state;
>> -} __packed;
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>> /* Power info. */
>> @@ -2518,7 +3942,7 @@ struct ec_response_ldo_get {
>> /*
>> * Get power info.
>> */
>> -#define EC_CMD_POWER_INFO 0x9d
>> +#define EC_CMD_POWER_INFO 0x009D
>>
>> struct ec_response_power_info {
>> uint32_t usb_dev_type;
>> @@ -2526,21 +3950,21 @@ struct ec_response_power_info {
>> uint16_t voltage_system;
>> uint16_t current_system;
>> uint16_t usb_current_limit;
>> -} __packed;
>> +} __ec_align4;
>>
>> /*****************************************************************************/
>> /* I2C passthru command */
>>
>> -#define EC_CMD_I2C_PASSTHRU 0x9e
>> +#define EC_CMD_I2C_PASSTHRU 0x009E
>>
>> /* Read data; if not present, message is a write */
>> -#define EC_I2C_FLAG_READ (1 << 15)
>> +#define EC_I2C_FLAG_READ BIT(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 */
>> +#define EC_I2C_STATUS_NAK BIT(0) /* Transfer was not acknowledged */
>> +#define EC_I2C_STATUS_TIMEOUT BIT(1) /* Timeout during transfer */
>>
>> /* Any error */
>> #define EC_I2C_STATUS_ERROR (EC_I2C_STATUS_NAK | EC_I2C_STATUS_TIMEOUT)
>> @@ -2548,49 +3972,49 @@ struct ec_response_power_info {
>> struct 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 */
>> -} __packed;
>> +} __ec_align2;
>>
>> struct 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 */
>> -} __packed;
>> +} __ec_align2;
>>
>> struct 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 */
>> -} __packed;
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>> /* Power button hang detect */
>>
>> -#define EC_CMD_HANG_DETECT 0x9f
>> +#define EC_CMD_HANG_DETECT 0x009F
>>
>> /* Reasons to start hang detection timer */
>> /* Power button pressed */
>> -#define EC_HANG_START_ON_POWER_PRESS (1 << 0)
>> +#define EC_HANG_START_ON_POWER_PRESS BIT(0)
>>
>> /* Lid closed */
>> -#define EC_HANG_START_ON_LID_CLOSE (1 << 1)
>> +#define EC_HANG_START_ON_LID_CLOSE BIT(1)
>>
>> /* Lid opened */
>> -#define EC_HANG_START_ON_LID_OPEN (1 << 2)
>> +#define EC_HANG_START_ON_LID_OPEN BIT(2)
>>
>> /* Start of AP S3->S0 transition (booting or resuming from suspend) */
>> -#define EC_HANG_START_ON_RESUME (1 << 3)
>> +#define EC_HANG_START_ON_RESUME BIT(3)
>>
>> /* Reasons to cancel hang detection */
>>
>> /* Power button released */
>> -#define EC_HANG_STOP_ON_POWER_RELEASE (1 << 8)
>> +#define EC_HANG_STOP_ON_POWER_RELEASE BIT(8)
>>
>> /* Any host command from AP received */
>> -#define EC_HANG_STOP_ON_HOST_COMMAND (1 << 9)
>> +#define EC_HANG_STOP_ON_HOST_COMMAND BIT(9)
>>
>> /* Stop on end of AP S0->S3 transition (suspending or shutting down) */
>> -#define EC_HANG_STOP_ON_SUSPEND (1 << 10)
>> +#define EC_HANG_STOP_ON_SUSPEND BIT(10)
>>
>> /*
>> * If this flag is set, all the other fields are ignored, and the hang detect
>> @@ -2598,14 +4022,14 @@ struct ec_response_i2c_passthru {
>> * 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)
>> +#define EC_HANG_START_NOW BIT(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)
>> +#define EC_HANG_STOP_NOW BIT(31)
>>
>> struct ec_params_hang_detect {
>> /* Flags; see EC_HANG_* */
>> @@ -2616,7 +4040,7 @@ struct ec_params_hang_detect {
>>
>> /* Timeout in msec before generating warm reboot, if enabled */
>> uint16_t warm_reboot_timeout_msec;
>> -} __packed;
>> +} __ec_align4;
>>
>> /*****************************************************************************/
>> /* Commands for battery charging */
>> @@ -2625,7 +4049,7 @@ struct ec_params_hang_detect {
>> * This is the single catch-all host command to exchange data regarding the
>> * charge state machine (v2 and up).
>> */
>> -#define EC_CMD_CHARGE_STATE 0xa0
>> +#define EC_CMD_CHARGE_STATE 0x00A0
>>
>> /* Subcommands for this host command */
>> enum charge_state_command {
>> @@ -2645,6 +4069,11 @@ enum charge_state_params {
>> 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,
>>
>> @@ -2652,30 +4081,39 @@ enum charge_state_params {
>> CS_PARAM_CUSTOM_PROFILE_MIN = 0x10000,
>> CS_PARAM_CUSTOM_PROFILE_MAX = 0x1ffff,
>>
>> + /* Range for CONFIG_CHARGE_STATE_DEBUG params */
>> + CS_PARAM_DEBUG_MIN = 0x20000,
>> + CS_PARAM_DEBUG_CTL_MODE = 0x20000,
>> + CS_PARAM_DEBUG_MANUAL_MODE,
>> + CS_PARAM_DEBUG_SEEMS_DEAD,
>> + CS_PARAM_DEBUG_SEEMS_DISCONNECTED,
>> + CS_PARAM_DEBUG_BATT_REMOVED,
>> + CS_PARAM_DEBUG_MANUAL_CURRENT,
>> + CS_PARAM_DEBUG_MANUAL_VOLTAGE,
>> + CS_PARAM_DEBUG_MAX = 0x2ffff,
>> +
>> /* Other custom param ranges go here... */
>> };
>>
>> struct ec_params_charge_state {
>> uint8_t cmd; /* enum charge_state_command */
>> union {
>> - struct {
>> - /* no args */
>> - } get_state;
>> + /* get_state has no args */
>>
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint32_t param; /* enum charge_state_param */
>> } get_param;
>>
>> - struct {
>> + struct __ec_todo_unpacked {
>> uint32_t param; /* param to set */
>> uint32_t value; /* value to set */
>> } set_param;
>> };
>> -} __packed;
>> +} __ec_todo_packed;
>>
>> struct ec_response_charge_state {
>> union {
>> - struct {
>> + struct __ec_align4 {
>> int ac;
>> int chg_voltage;
>> int chg_current;
>> @@ -2683,24 +4121,23 @@ struct ec_response_charge_state {
>> int batt_state_of_charge;
>> } get_state;
>>
>> - struct {
>> + struct __ec_align4 {
>> uint32_t value;
>> } get_param;
>> - struct {
>> - /* no return values */
>> - } set_param;
>> +
>> + /* set_param returns no args */
>> };
>> -} __packed;
>> +} __ec_align4;
>>
>>
>> /*
>> * Set maximum battery charging current.
>> */
>> -#define EC_CMD_CHARGE_CURRENT_LIMIT 0xa1
>> +#define EC_CMD_CHARGE_CURRENT_LIMIT 0x00A1
>>
>> struct ec_params_current_limit {
>> uint32_t limit; /* in mA */
>> -} __packed;
>> +} __ec_align4;
>>
>> /*
>> * Set maximum external voltage / current.
>> @@ -2711,58 +4148,134 @@ struct ec_params_current_limit {
>> struct 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 */
>> -} __packed;
>> +} __ec_align2;
>>
>> #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_params_dedicated_charger_limit {
>> + uint16_t current_lim; /* in mA */
>> + uint16_t voltage_lim; /* in mV */
>> +} __ec_align2;
>> +
>> +/*****************************************************************************/
>> +/* Hibernate/Deep Sleep Commands */
>> +
>> +/* Set the delay before going into hibernation. */
>> +#define EC_CMD_HIBERNATION_DELAY 0x00A8
>> +
>> +struct 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;
>> +} __ec_align4;
>> +
>> +struct 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;
>> +} __ec_align4;
>> +
>> /* Inform the EC when entering a sleep state */
>> -#define EC_CMD_HOST_SLEEP_EVENT 0xa9
>> +#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
>> + HOST_SLEEP_EVENT_S0IX_RESUME = 4,
>> + /* S3 suspend with additional enabled wake sources */
>> + HOST_SLEEP_EVENT_S3_WAKEABLE_SUSPEND = 5,
>> };
>>
>> struct ec_params_host_sleep_event {
>> uint8_t sleep_event;
>> -} __packed;
>> +} __ec_align1;
>> +
>> +/*****************************************************************************/
>> +/* 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) BIT(event_code % 32)
>> +
>> +struct ec_params_device_event {
>> + uint32_t event_mask;
>> + uint8_t param;
>> +} __ec_align_size1;
>> +
>> +struct ec_response_device_event {
>> + uint32_t event_mask;
>> +} __ec_align4;
>>
>> /*****************************************************************************/
>> /* Smart battery pass-through */
>>
>> /* Get / Set 16-bit smart battery registers */
>> -#define EC_CMD_SB_READ_WORD 0xb0
>> -#define EC_CMD_SB_WRITE_WORD 0xb1
>> +#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 0xb2
>> -#define EC_CMD_SB_WRITE_BLOCK 0xb3
>> +#define EC_CMD_SB_READ_BLOCK 0x00B2
>> +#define EC_CMD_SB_WRITE_BLOCK 0x00B3
>>
>> struct ec_params_sb_rd {
>> uint8_t reg;
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_sb_rd_word {
>> uint16_t value;
>> -} __packed;
>> +} __ec_align2;
>>
>> struct ec_params_sb_wr_word {
>> uint8_t reg;
>> uint16_t value;
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_response_sb_rd_block {
>> uint8_t data[32];
>> -} __packed;
>> +} __ec_align1;
>>
>> struct ec_params_sb_wr_block {
>> uint8_t reg;
>> uint16_t data[32];
>> -} __packed;
>> +} __ec_align1;
>>
>> /*****************************************************************************/
>> /* Battery vendor parameters
>> @@ -2773,7 +4286,7 @@ struct ec_params_sb_wr_block {
>> * requested value.
>> */
>>
>> -#define EC_CMD_BATTERY_VENDOR_PARAM 0xb4
>> +#define EC_CMD_BATTERY_VENDOR_PARAM 0x00B4
>>
>> enum ec_battery_vendor_param_mode {
>> BATTERY_VENDOR_PARAM_MODE_GET = 0,
>> @@ -2784,257 +4297,105 @@ struct ec_params_battery_vendor_param {
>> uint32_t param;
>> uint32_t value;
>> uint8_t mode;
>> -} __packed;
>> +} __ec_align_size1;
>>
>> struct ec_response_battery_vendor_param {
>> uint32_t value;
>> -} __packed;
>> +} __ec_align4;
>>
>> /*****************************************************************************/
>> -/* Commands for I2S recording on audio codec. */
>> -
>> -#define EC_CMD_CODEC_I2S 0x00BC
>> -
>> -enum ec_codec_i2s_subcmd {
>> - EC_CODEC_SET_SAMPLE_DEPTH = 0x0,
>> - EC_CODEC_SET_GAIN = 0x1,
>> - EC_CODEC_GET_GAIN = 0x2,
>> - EC_CODEC_I2S_ENABLE = 0x3,
>> - EC_CODEC_I2S_SET_CONFIG = 0x4,
>> - EC_CODEC_I2S_SET_TDM_CONFIG = 0x5,
>> - EC_CODEC_I2S_SET_BCLK = 0x6,
>> +/*
>> + * 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,
>> };
>>
>> -enum ec_sample_depth_value {
>> - EC_CODEC_SAMPLE_DEPTH_16 = 0,
>> - EC_CODEC_SAMPLE_DEPTH_24 = 1,
>> -};
>> +#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
>>
>> -enum ec_i2s_config {
>> - EC_DAI_FMT_I2S = 0,
>> - EC_DAI_FMT_RIGHT_J = 1,
>> - EC_DAI_FMT_LEFT_J = 2,
>> - EC_DAI_FMT_PCM_A = 3,
>> - EC_DAI_FMT_PCM_B = 4,
>> - EC_DAI_FMT_PCM_TDM = 5,
>> -};
>> +struct ec_sb_fw_update_header {
>> + uint16_t subcmd; /* enum ec_sb_fw_update_subcmd */
>> + uint16_t fw_id; /* firmware id */
>> +} __ec_align4;
>>
>> -struct ec_param_codec_i2s {
>> - /*
>> - * enum ec_codec_i2s_subcmd
>> - */
>> - uint8_t cmd;
>> +struct ec_params_sb_fw_update {
>> + struct ec_sb_fw_update_header hdr;
>> union {
>> - /*
>> - * EC_CODEC_SET_SAMPLE_DEPTH
>> - * Value should be one of ec_sample_depth_value.
>> - */
>> - uint8_t depth;
>> -
>> - /*
>> - * EC_CODEC_SET_GAIN
>> - * Value should be 0~43 for both channels.
>> - */
>> - struct ec_param_codec_i2s_set_gain {
>> - uint8_t left;
>> - uint8_t right;
>> - } __packed gain;
>> -
>> - /*
>> - * EC_CODEC_I2S_ENABLE
>> - * 1 to enable, 0 to disable.
>> - */
>> - uint8_t i2s_enable;
>> -
>> - /*
>> - * EC_CODEC_I2S_SET_COFNIG
>> - * Value should be one of ec_i2s_config.
>> - */
>> - uint8_t i2s_config;
>> + /* 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 */
>> + /* Those have no args */
>> +
>> + /* EC_SB_FW_UPDATE_WRITE = 0x3 */
>> + struct __ec_align4 {
>> + uint8_t data[SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE];
>> + } write;
>> + };
>> +} __ec_align4;
>>
>> - /*
>> - * EC_CODEC_I2S_SET_TDM_CONFIG
>> - * Value should be one of ec_i2s_config.
>> - */
>> - struct ec_param_codec_i2s_tdm {
>> - /*
>> - * 0 to 496
>> - */
>> - int16_t ch0_delay;
>> - /*
>> - * -1 to 496
>> - */
>> - int16_t ch1_delay;
>> - uint8_t adjacent_to_ch0;
>> - uint8_t adjacent_to_ch1;
>> - } __packed tdm_param;
>> +struct 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_CODEC_I2S_SET_BCLK
>> - */
>> - uint32_t bclk;
>> + /* EC_SB_FW_UPDATE_STATUS = 0x5 */
>> + struct __ec_align1 {
>> + uint8_t data[SB_FW_UPDATE_CMD_STATUS_SIZE];
>> + } status;
>> };
>> -} __packed;
>> +} __ec_align1;
>>
>> /*
>> - * For subcommand EC_CODEC_GET_GAIN.
>> + * 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.
>> */
>> -struct ec_response_codec_gain {
>> - uint8_t left;
>> - uint8_t right;
>> -} __packed;
>> +#define EC_CMD_ENTERING_MODE 0x00B6
>>
>> -/*****************************************************************************/
>> -/* System commands */
>> +struct ec_params_entering_mode {
>> + int vboot_mode;
>> +} __ec_align4;
>> +
>> +#define VBOOT_MODE_NORMAL 0
>> +#define VBOOT_MODE_DEVELOPER 1
>> +#define VBOOT_MODE_RECOVERY 2
>>
>> +/*****************************************************************************/
>> /*
>> - * TODO(crosbug.com/p/23747): This is a confusing name, since it doesn't
>> - * necessarily reboot the EC. Rename to "image" or something similar?
>> + * I2C passthru protection command: Protects I2C tunnels against access on
>> + * certain addresses (board-specific).
>> */
>> -#define EC_CMD_REBOOT_EC 0xd2
>> +#define EC_CMD_I2C_PASSTHRU_PROTECT 0x00B7
>>
>> -/* 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 */
>> +enum ec_i2c_passthru_protect_subcmd {
>> + EC_CMD_I2C_PASSTHRU_PROTECT_STATUS = 0x0,
>> + EC_CMD_I2C_PASSTHRU_PROTECT_ENABLE = 0x1,
>> };
>>
>> -/* 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 */
>> -
>> -struct ec_params_reboot_ec {
>> - uint8_t cmd; /* enum ec_reboot_cmd */
>> - uint8_t flags; /* See EC_REBOOT_FLAG_* */
>> -} __packed;
>> -
>> -/*
>> - * Get information on last EC panic.
>> - *
>> - * Returns variable-length platform-dependent panic information. See panic.h
>> - * for details.
>> - */
>> -#define EC_CMD_GET_PANIC_INFO 0xd3
>> -
>> -/*****************************************************************************/
>> -/*
>> - * ACPI commands
>> - *
>> - * These are valid ONLY on the ACPI command/data port.
>> - */
>> -
>> -/*
>> - * ACPI Read Embedded Controller
>> - *
>> - * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
>> - *
>> - * Use the following sequence:
>> - *
>> - * - Write EC_CMD_ACPI_READ to EC_LPC_ADDR_ACPI_CMD
>> - * - Wait for EC_LPC_CMDR_PENDING bit to clear
>> - * - Write address to EC_LPC_ADDR_ACPI_DATA
>> - * - Wait for EC_LPC_CMDR_DATA bit to set
>> - * - Read value from EC_LPC_ADDR_ACPI_DATA
>> - */
>> -#define EC_CMD_ACPI_READ 0x80
>> -
>> -/*
>> - * ACPI Write Embedded Controller
>> - *
>> - * This reads from ACPI memory space on the EC (EC_ACPI_MEM_*).
>> - *
>> - * Use the following sequence:
>> - *
>> - * - Write EC_CMD_ACPI_WRITE to EC_LPC_ADDR_ACPI_CMD
>> - * - Wait for EC_LPC_CMDR_PENDING bit to clear
>> - * - Write address to EC_LPC_ADDR_ACPI_DATA
>> - * - Wait for EC_LPC_CMDR_PENDING bit to clear
>> - * - Write value to EC_LPC_ADDR_ACPI_DATA
>> - */
>> -#define EC_CMD_ACPI_WRITE 0x81
>> -
>> -/*
>> - * ACPI Query Embedded Controller
>> - *
>> - * This clears the lowest-order bit in the currently pending host events, and
>> - * sets the result code to the 1-based index of the bit (event 0x00000001 = 1,
>> - * event 0x80000000 = 32), or 0 if no event was pending.
>> - */
>> -#define EC_CMD_ACPI_QUERY_EVENT 0x84
>> -
>> -/* Valid addresses in ACPI memory space, for read/write commands */
>> -
>> -/* Memory space version; set to EC_ACPI_MEM_VERSION_CURRENT */
>> -#define EC_ACPI_MEM_VERSION 0x00
>> -/*
>> - * Test location; writing value here updates test compliment byte to (0xff -
>> - * value).
>> - */
>> -#define EC_ACPI_MEM_TEST 0x01
>> -/* Test compliment; writes here are ignored. */
>> -#define EC_ACPI_MEM_TEST_COMPLIMENT 0x02
>> -
>> -/* Keyboard backlight brightness percent (0 - 100) */
>> -#define EC_ACPI_MEM_KEYBOARD_BACKLIGHT 0x03
>> -/* DPTF Target Fan Duty (0-100, 0xff for auto/none) */
>> -#define EC_ACPI_MEM_FAN_DUTY 0x04
>> -
>> -/*
>> - * DPTF temp thresholds. Any of the EC's temp sensors can have up to two
>> - * independent thresholds attached to them. The current value of the ID
>> - * register determines which sensor is affected by the THRESHOLD and COMMIT
>> - * registers. The THRESHOLD register uses the same EC_TEMP_SENSOR_OFFSET scheme
>> - * as the memory-mapped sensors. The COMMIT register applies those settings.
>> - *
>> - * The spec does not mandate any way to read back the threshold settings
>> - * themselves, but when a threshold is crossed the AP needs a way to determine
>> - * which sensor(s) are responsible. Each reading of the ID register clears and
>> - * returns one sensor ID that has crossed one of its threshold (in either
>> - * direction) since the last read. A value of 0xFF means "no new thresholds
>> - * have tripped". Setting or enabling the thresholds for a sensor will clear
>> - * the unread event count for that sensor.
>> - */
>> -#define EC_ACPI_MEM_TEMP_ID 0x05
>> -#define EC_ACPI_MEM_TEMP_THRESHOLD 0x06
>> -#define EC_ACPI_MEM_TEMP_COMMIT 0x07
>> -/*
>> - * Here are the bits for the COMMIT register:
>> - * bit 0 selects the threshold index for the chosen sensor (0/1)
>> - * bit 1 enables/disables the selected threshold (0 = off, 1 = on)
>> - * Each write to the commit register affects one threshold.
>> - */
>> -#define EC_ACPI_MEM_TEMP_COMMIT_SELECT_MASK (1 << 0)
>> -#define EC_ACPI_MEM_TEMP_COMMIT_ENABLE_MASK (1 << 1)
>> -/*
>> - * Example:
>> - *
>> - * Set the thresholds for sensor 2 to 50 C and 60 C:
>> - * write 2 to [0x05] -- select temp sensor 2
>> - * write 0x7b to [0x06] -- C_TO_K(50) - EC_TEMP_SENSOR_OFFSET
>> - * write 0x2 to [0x07] -- enable threshold 0 with this value
>> - * write 0x85 to [0x06] -- C_TO_K(60) - EC_TEMP_SENSOR_OFFSET
>> - * write 0x3 to [0x07] -- enable threshold 1 with this value
>> - *
>> - * Disable the 60 C threshold, leaving the 50 C threshold unchanged:
>> - * write 2 to [0x05] -- select temp sensor 2
>> - * write 0x1 to [0x07] -- disable threshold 1
>> - */
>> -
>> -/* DPTF battery charging current limit */
>> -#define EC_ACPI_MEM_CHARGING_LIMIT 0x08
>> -
>> -/* Charging limit is specified in 64 mA steps */
>> -#define EC_ACPI_MEM_CHARGING_LIMIT_STEP_MA 64
>> -/* Value to disable DPTF battery charging limit */
>> -#define EC_ACPI_MEM_CHARGING_LIMIT_DISABLED 0xff
>> +struct ec_params_i2c_passthru_protect {
>> + uint8_t subcmd;
>> + uint8_t port; /* I2C port number */
>> +} __ec_align1;
>>
>> -/* Current version of ACPI memory address space */
>> -#define EC_ACPI_MEM_VERSION_CURRENT 1
>> +struct ec_response_i2c_passthru_protect {
>> + uint8_t status; /* Status flags (0: unlocked, 1: locked) */
>> +} __ec_align1;
>>
>>
>> /*****************************************************************************/
>> @@ -3043,7 +4404,8 @@ struct ec_params_reboot_ec {
>> *
>> * These commands are for sending and receiving message via HDMI CEC
>> */
>> -#define EC_MAX_CEC_MSG_LEN 16
>> +
>> +#define MAX_CEC_MSG_LEN 16
>>
>> /* CEC message from the AP to be written on the CEC bus */
>> #define EC_CMD_CEC_WRITE_MSG 0x00B8
>> @@ -3053,8 +4415,8 @@ struct ec_params_reboot_ec {
>> * @msg: message content to write to the CEC bus
>> */
>> struct ec_params_cec_write {
>> - uint8_t msg[EC_MAX_CEC_MSG_LEN];
>> -} __packed;
>> + uint8_t msg[MAX_CEC_MSG_LEN];
>> +} __ec_align1;
>>
>> /* Set various CEC parameters */
>> #define EC_CMD_CEC_SET 0x00BA
>> @@ -3063,14 +4425,14 @@ struct ec_params_cec_write {
>> * struct ec_params_cec_set - CEC parameters set
>> * @cmd: parameter type, can be CEC_CMD_ENABLE or CEC_CMD_LOGICAL_ADDRESS
>> * @val: in case cmd is CEC_CMD_ENABLE, this field can be 0 to disable CEC
>> - * or 1 to enable CEC functionality, in case cmd is CEC_CMD_LOGICAL_ADDRESS,
>> - * this field encodes the requested logical address between 0 and 15
>> - * or 0xff to unregister
>> + * or 1 to enable CEC functionality, in case cmd is
>> + * CEC_CMD_LOGICAL_ADDRESS, this field encodes the requested logical
>> + * address between 0 and 15 or 0xff to unregister
>> */
>> struct ec_params_cec_set {
>> uint8_t cmd; /* enum cec_command */
>> uint8_t val;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* Read various CEC parameters */
>> #define EC_CMD_CEC_GET 0x00BB
>> @@ -3081,7 +4443,7 @@ struct ec_params_cec_set {
>> */
>> struct ec_params_cec_get {
>> uint8_t cmd; /* enum cec_command */
>> -} __packed;
>> +} __ec_align1;
>>
>> /**
>> * struct ec_response_cec_get - CEC parameters get response
>> @@ -3092,10 +4454,10 @@ struct ec_params_cec_get {
>> */
>> struct ec_response_cec_get {
>> uint8_t val;
>> -} __packed;
>> +} __ec_align1;
>>
>> /* CEC parameters command */
>> -enum ec_cec_command {
>> +enum cec_command {
>> /* CEC reading, writing and events enable */
>> CEC_CMD_ENABLE,
>> /* CEC logical address */
>> @@ -3110,6 +4472,135 @@ enum mkbp_cec_event {
>> EC_MKBP_CEC_SEND_FAILED = BIT(1),
>> };
>>
>> +/*****************************************************************************/
>> +
>> +/* Commands for I2S recording on audio codec. */
>> +
>> +#define EC_CMD_CODEC_I2S 0x00BC
>> +#define EC_WOV_I2S_SAMPLE_RATE 48000
>> +
>> +enum ec_codec_i2s_subcmd {
>> + EC_CODEC_SET_SAMPLE_DEPTH = 0x0,
>> + EC_CODEC_SET_GAIN = 0x1,
>> + EC_CODEC_GET_GAIN = 0x2,
>> + EC_CODEC_I2S_ENABLE = 0x3,
>> + EC_CODEC_I2S_SET_CONFIG = 0x4,
>> + EC_CODEC_I2S_SET_TDM_CONFIG = 0x5,
>> + EC_CODEC_I2S_SET_BCLK = 0x6,
>> + EC_CODEC_I2S_SUBCMD_COUNT = 0x7,
>> +};
>> +
>> +enum ec_sample_depth_value {
>> + EC_CODEC_SAMPLE_DEPTH_16 = 0,
>> + EC_CODEC_SAMPLE_DEPTH_24 = 1,
>> +};
>> +
>> +enum ec_i2s_config {
>> + EC_DAI_FMT_I2S = 0,
>> + EC_DAI_FMT_RIGHT_J = 1,
>> + EC_DAI_FMT_LEFT_J = 2,
>> + EC_DAI_FMT_PCM_A = 3,
>> + EC_DAI_FMT_PCM_B = 4,
>> + EC_DAI_FMT_PCM_TDM = 5,
>> +};
>> +
>> +/*
>> + * For subcommand EC_CODEC_GET_GAIN.
>> + */
>> +struct __ec_align1 ec_codec_i2s_gain {
>> + uint8_t left;
>> + uint8_t right;
>> +};
>> +
>> +struct __ec_todo_unpacked ec_param_codec_i2s_tdm {
>> + int16_t ch0_delay; /* 0 to 496 */
>> + int16_t ch1_delay; /* -1 to 496 */
>> + uint8_t adjacent_to_ch0;
>> + uint8_t adjacent_to_ch1;
>> +};
>> +
>> +struct __ec_todo_packed ec_param_codec_i2s {
>> + /* enum ec_codec_i2s_subcmd */
>> + uint8_t cmd;
>> + union {
>> + /*
>> + * EC_CODEC_SET_SAMPLE_DEPTH
>> + * Value should be one of ec_sample_depth_value.
>> + */
>> + uint8_t depth;
>> +
>> + /*
>> + * EC_CODEC_SET_GAIN
>> + * Value should be 0~43 for both channels.
>> + */
>> + struct ec_codec_i2s_gain gain;
>> +
>> + /*
>> + * EC_CODEC_I2S_ENABLE
>> + * 1 to enable, 0 to disable.
>> + */
>> + uint8_t i2s_enable;
>> +
>> + /*
>> + * EC_CODEC_I2S_SET_CONFIG
>> + * Value should be one of ec_i2s_config.
>> + */
>> + uint8_t i2s_config;
>> +
>> + /*
>> + * EC_CODEC_I2S_SET_TDM_CONFIG
>> + * Value should be one of ec_i2s_config.
>> + */
>> + struct ec_param_codec_i2s_tdm tdm_param;
>> +
>> + /*
>> + * EC_CODEC_I2S_SET_BCLK
>> + */
>> + uint32_t bclk;
>> + };
>> +};
>> +
>> +
>> +/*****************************************************************************/
>> +
>> +/* 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 active 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 BIT(0) /* Was recovery request */
>> +#define EC_REBOOT_FLAG_ON_AP_SHUTDOWN BIT(1) /* Reboot after AP shutdown */
>> +#define EC_REBOOT_FLAG_SWITCH_RW_SLOT BIT(2) /* Switch RW slot */
>> +
>> +struct ec_params_reboot_ec {
>> + uint8_t cmd; /* enum ec_reboot_cmd */
>> + uint8_t flags; /* See EC_REBOOT_FLAG_* */
>> +} __ec_align1;
>> +
>> +/*
>> + * 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
>> @@ -3127,7 +4618,7 @@ enum mkbp_cec_event {
>> *
>> * Use EC_CMD_REBOOT_EC to reboot the EC more politely.
>> */
>> -#define EC_CMD_REBOOT 0xd1 /* Think "die" */
>> +#define EC_CMD_REBOOT 0x00D1 /* Think "die" */
>>
>> /*
>> * Resend last response (not supported on LPC).
>> @@ -3136,7 +4627,7 @@ enum mkbp_cec_event {
>> * there was no previous command, or the previous command's response was too
>> * big to save.
>> */
>> -#define EC_CMD_RESEND_RESPONSE 0xdb
>> +#define EC_CMD_RESEND_RESPONSE 0x00DB
>>
>> /*
>> * This header byte on a command indicate version 0. Any header byte less
>> @@ -3148,9 +4639,7 @@ enum mkbp_cec_event {
>> *
>> * The old EC interface must not use commands 0xdc or higher.
>> */
>> -#define EC_CMD_VERSION0 0xdc
>> -
>> -#endif /* !__ACPI__ */
>> +#define EC_CMD_VERSION0 0x00DC
>>
>> /*****************************************************************************/
>> /*
>> @@ -3160,21 +4649,56 @@ enum mkbp_cec_event {
>> */
>>
>> /* EC to PD MCU exchange status command */
>> -#define EC_CMD_PD_EXCHANGE_STATUS 0x100
>> +#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 BIT(0)
>> +
>> struct ec_params_pd_status {
>> - int8_t batt_soc; /* battery state of charge */
>> -} __packed;
>> + uint8_t status; /* EC status */
>> + int8_t batt_soc; /* battery state of charge */
>> + uint8_t charge_state; /* charging state (from enum pd_charge_state) */
>> +} __ec_align1;
>>
>> /* Status of PD being sent back to EC */
>> +#define PD_STATUS_HOST_EVENT BIT(0) /* Forward host event to AP */
>> +#define PD_STATUS_IN_RW BIT(1) /* Running RW image */
>> +#define PD_STATUS_JUMPED_TO_IMAGE BIT(2) /* Current image was jumped to */
>> +#define PD_STATUS_TCPC_ALERT_0 BIT(3) /* Alert active in port 0 TCPC */
>> +#define PD_STATUS_TCPC_ALERT_1 BIT(4) /* Alert active in port 1 TCPC */
>> +#define PD_STATUS_TCPC_ALERT_2 BIT(5) /* Alert active in port 2 TCPC */
>> +#define PD_STATUS_TCPC_ALERT_3 BIT(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_response_pd_status {
>> - int8_t status; /* PD MCU status */
>> - uint32_t curr_lim_ma; /* input current limit */
>> -} __packed;
>> + uint32_t curr_lim_ma; /* input current limit */
>> + uint16_t status; /* PD MCU status */
>> + int8_t active_charge_port; /* active charging port */
>> +} __ec_align_size1;
>> +
>> +/* 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 BIT(0)
>> +#define PD_EVENT_POWER_CHANGE BIT(1)
>> +#define PD_EVENT_IDENTITY_RECEIVED BIT(2)
>> +#define PD_EVENT_DATA_SWAP BIT(3)
>> +struct ec_response_host_event_status {
>> + uint32_t status; /* PD MCU host event status */
>> +} __ec_align4;
>>
>> /* Set USB type-C port role and muxes */
>> -#define EC_CMD_USB_PD_CONTROL 0x101
>> +#define EC_CMD_USB_PD_CONTROL 0x0101
>>
>> enum usb_pd_control_role {
>> USB_PD_CTRL_ROLE_NO_CHANGE = 0,
>> @@ -3182,6 +4706,8 @@ enum usb_pd_control_role {
>> 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_FREEZE = 5,
>> + USB_PD_CTRL_ROLE_COUNT
>> };
>>
>> enum usb_pd_control_mux {
>> @@ -3191,6 +4717,7 @@ enum usb_pd_control_mux {
>> 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 {
>> @@ -3206,11 +4733,11 @@ struct ec_params_usb_pd_control {
>> uint8_t role;
>> uint8_t mux;
>> uint8_t swap;
>> -} __packed;
>> +} __ec_align1;
>>
>> -#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_ENABLED_COMMS BIT(0) /* Communication enabled */
>> +#define PD_CTRL_RESP_ENABLED_CONNECTED BIT(1) /* Device connected */
>> +#define PD_CTRL_RESP_ENABLED_PD_CAPABLE BIT(2) /* Partner is PD capable */
>>
>> #define PD_CTRL_RESP_ROLE_POWER BIT(0) /* 0=SNK/1=SRC */
>> #define PD_CTRL_RESP_ROLE_DATA BIT(1) /* 0=UFP/1=DFP */
>> @@ -3220,28 +4747,51 @@ struct ec_params_usb_pd_control {
>> #define PD_CTRL_RESP_ROLE_USB_COMM BIT(5) /* Partner USB comm capable */
>> #define PD_CTRL_RESP_ROLE_EXT_POWERED BIT(6) /* Partner externally powerd */
>>
>> +struct ec_response_usb_pd_control {
>> + uint8_t enabled;
>> + uint8_t role;
>> + uint8_t polarity;
>> + uint8_t state;
>> +} __ec_align1;
>> +
>> struct ec_response_usb_pd_control_v1 {
>> uint8_t enabled;
>> uint8_t role;
>> uint8_t polarity;
>> char state[32];
>> -} __packed;
>> +} __ec_align1;
>>
>> -#define EC_CMD_USB_PD_PORTS 0x102
>> +/* Values representing usbc PD CC state */
>> +#define USBC_PD_CC_NONE 0 /* No accessory connected */
>> +#define USBC_PD_CC_NO_UFP 1 /* No UFP accessory connected */
>> +#define USBC_PD_CC_AUDIO_ACC 2 /* Audio accessory connected */
>> +#define USBC_PD_CC_DEBUG_ACC 3 /* Debug accessory connected */
>> +#define USBC_PD_CC_UFP_ATTACHED 4 /* UFP attached to usbc */
>> +#define USBC_PD_CC_DFP_ATTACHED 5 /* DPF attached to usbc */
>> +
>> +struct ec_response_usb_pd_control_v2 {
>> + uint8_t enabled;
>> + uint8_t role;
>> + uint8_t polarity;
>> + char state[32];
>> + uint8_t cc_state; /* USBC_PD_CC_*Encoded cc state */
>> +} __ec_align1;
>> +
>> +#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_response_usb_pd_ports {
>> uint8_t num_ports;
>> -} __packed;
>> +} __ec_align1;
>>
>> -#define EC_CMD_USB_PD_POWER_INFO 0x103
>> +#define EC_CMD_USB_PD_POWER_INFO 0x0103
>>
>> #define PD_POWER_CHARGING_PORT 0xff
>> struct ec_params_usb_pd_power_info {
>> uint8_t port;
>> -} __packed;
>> +} __ec_align1;
>>
>> enum usb_chg_type {
>> USB_CHG_TYPE_NONE,
>> @@ -3254,6 +4804,7 @@ enum usb_chg_type {
>> USB_CHG_TYPE_OTHER,
>> USB_CHG_TYPE_VBUS,
>> USB_CHG_TYPE_UNKNOWN,
>> + USB_CHG_TYPE_DEDICATED,
>> };
>> enum usb_power_roles {
>> USB_PD_PORT_POWER_DISCONNECTED,
>> @@ -3267,7 +4818,7 @@ struct usb_chg_measures {
>> uint16_t voltage_now;
>> uint16_t current_max;
>> uint16_t current_lim;
>> -} __packed;
>> +} __ec_align2;
>>
>> struct ec_response_usb_pd_power_info {
>> uint8_t role;
>> @@ -3276,11 +4827,8 @@ struct ec_response_usb_pd_power_info {
>> uint8_t reserved1;
>> struct usb_chg_measures meas;
>> uint32_t max_power;
>> -} __packed;
>> +} __ec_align4;
>>
>> -struct ec_params_usb_pd_info_request {
>> - uint8_t port;
>> -} __packed;
>>
>> /*
>> * This command will return the number of USB PD charge port + the number
>> @@ -3290,7 +4838,47 @@ struct ec_params_usb_pd_info_request {
>> #define EC_CMD_CHARGE_PORT_COUNT 0x0105
>> struct ec_response_charge_port_count {
>> uint8_t port_count;
>> -} __packed;
>> +} __ec_align1;
>> +
>> +/* 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_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 */
>> +} __ec_align4;
>> +
>> +/* 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_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 */
>> +} __ec_align1;
>> +
>> +/* Read USB-PD Accessory info */
>> +#define EC_CMD_USB_PD_DEV_INFO 0x0112
>> +
>> +struct ec_params_usb_pd_info_request {
>> + uint8_t port;
>> +} __ec_align1;
>>
>> /* Read USB-PD Device discovery info */
>> #define EC_CMD_USB_PD_DISCOVERY 0x0113
>> @@ -3298,7 +4886,7 @@ struct 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) */
>> -} __packed;
>> +} __ec_align_size1;
>>
>> /* Override default charge behavior */
>> #define EC_CMD_PD_CHARGE_PORT_OVERRIDE 0x0114
>> @@ -3312,9 +4900,13 @@ enum usb_pd_override_ports {
>>
>> struct ec_params_charge_port_override {
>> int16_t override_port; /* Override port# */
>> -} __packed;
>> +} __ec_align2;
>>
>> -/* Read (and delete) one entry of PD event log */
>> +/*
>> + * Read (and delete) one entry of PD event log.
>> + * TODO(crbug.com/751742): Make this host command more generic to accommodate
>> + * future non-PD logs that use the same internal EC event_log.
>> + */
>> #define EC_CMD_PD_GET_LOG_ENTRY 0x0115
>>
>> struct ec_response_pd_log {
>> @@ -3323,7 +4915,7 @@ struct ec_response_pd_log {
>> 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 */
>> -} __packed;
>> +} __ec_align4;
>>
>> /* The timestamp is the microsecond counter shifted to get about a ms. */
>> #define PD_LOG_TIMESTAMP_SHIFT 10 /* 1 LSB = 1024us */
>> @@ -3389,35 +4981,698 @@ struct mcdp_version {
>> uint8_t major;
>> uint8_t minor;
>> uint16_t build;
>> -} __packed;
>> +} __ec_align4;
>>
>> struct mcdp_info {
>> uint8_t family[2];
>> uint8_t chipid[2];
>> struct mcdp_version irom;
>> struct mcdp_version fw;
>> -} __packed;
>> +} __ec_align4;
>>
>> /* 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_params_usb_pd_get_mode_request {
>> + uint16_t svid_idx; /* SVID index to get */
>> + uint8_t port; /* port */
>> +} __ec_align_size1;
>> +
>> +struct ec_params_usb_pd_get_mode_response {
>> + uint16_t svid; /* SVID */
>> + uint16_t opos; /* Object Position */
>> + uint32_t vdo[6]; /* Mode VDOs */
>> +} __ec_align4;
>> +
>> +#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_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 */
>> +} __ec_align4;
>> +
>> +/* Ask the PD MCU to record a log of a requested type */
>> +#define EC_CMD_PD_WRITE_LOG_ENTRY 0x0118
>> +
>> +struct 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 */
>> +} __ec_align1;
>> +
>> +
>> +/* 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 */
>> + PD_CHIP_ON, /* Power on the PD chip */
>> +};
>> +
>> +struct ec_params_pd_control {
>> + uint8_t chip; /* chip id */
>> + uint8_t subcmd;
>> +} __ec_align1;
>> +
>> /* Get info about USB-C SS muxes */
>> -#define EC_CMD_USB_PD_MUX_INFO 0x11a
>> +#define EC_CMD_USB_PD_MUX_INFO 0x011A
>>
>> struct ec_params_usb_pd_mux_info {
>> uint8_t port; /* USB-C port number */
>> -} __packed;
>> +} __ec_align1;
>>
>> /* 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)
>> +#define USB_PD_MUX_USB_ENABLED BIT(0) /* USB connected */
>> +#define USB_PD_MUX_DP_ENABLED BIT(1) /* DP connected */
>> +#define USB_PD_MUX_POLARITY_INVERTED BIT(2) /* CC line Polarity inverted */
>> +#define USB_PD_MUX_HPD_IRQ BIT(3) /* HPD IRQ is asserted */
>> +#define USB_PD_MUX_HPD_LVL BIT(4) /* HPD level is asserted */
>>
>> struct ec_response_usb_pd_mux_info {
>> uint8_t flags; /* USB_PD_MUX_*-encoded USB mux state */
>> -} __packed;
>> +} __ec_align1;
>> +
>> +#define EC_CMD_PD_CHIP_INFO 0x011B
>> +
>> +struct ec_params_pd_chip_info {
>> + uint8_t port; /* USB-C port number */
>> + uint8_t renew; /* Force renewal */
>> +} __ec_align1;
>> +
>> +struct 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;
>> + };
>> +} __ec_align2;
>> +
>> +struct ec_response_pd_chip_info_v1 {
>> + uint16_t vendor_id;
>> + uint16_t product_id;
>> + uint16_t device_id;
>> + union {
>> + uint8_t fw_version_string[8];
>> + uint64_t fw_version_number;
>> + };
>> + union {
>> + uint8_t min_req_fw_version_string[8];
>> + uint64_t min_req_fw_version_number;
>> + };
>> +} __ec_align2;
>> +
>> +/* Run RW signature verification and get status */
>> +#define EC_CMD_RWSIG_CHECK_STATUS 0x011C
>> +
>> +struct ec_response_rwsig_check_status {
>> + uint32_t status;
>> +} __ec_align4;
>> +
>> +/* 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_params_rwsig_action {
>> + uint32_t action;
>> +} __ec_align4;
>> +
>> +/* Run verification on a slot */
>> +#define EC_CMD_EFS_VERIFY 0x011E
>> +
>> +struct ec_params_efs_verify {
>> + uint8_t region; /* enum ec_flash_region */
>> +} __ec_align1;
>> +
>> +/*
>> + * 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, /* uint32_t or smaller */
>> + CBI_TAG_OEM_ID = 1, /* uint32_t or smaller */
>> + CBI_TAG_SKU_ID = 2, /* uint32_t or smaller */
>> + CBI_TAG_DRAM_PART_NUM = 3, /* variable length ascii, nul terminated. */
>> + CBI_TAG_OEM_NAME = 4, /* variable length ascii, nul terminated. */
>> + CBI_TAG_MODEL_ID = 5, /* uint32_t or smaller */
>> + 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 BIT(0)
>> +
>> +struct ec_params_get_cbi {
>> + uint32_t tag; /* enum cbi_data_tag */
>> + uint32_t flag; /* CBI_GET_* */
>> +} __ec_align4;
>> +
>> +/*
>> + * 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: Need to be set when creating a new CBI from scratch. All fields
>> + * will be initialized to zero first.
>> + */
>> +#define CBI_SET_NO_SYNC BIT(0)
>> +#define CBI_SET_INIT BIT(1)
>> +
>> +struct 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 */
>> +} __ec_align1;
>> +
>> +/*
>> + * Information about resets of the AP by the EC and the EC's own uptime.
>> + */
>> +#define EC_CMD_GET_UPTIME_INFO 0x0121
>> +
>> +struct ec_response_uptime_info {
>> + /*
>> + * Number of milliseconds since the last EC boot. Sysjump resets
>> + * typically do not restart the EC's time_since_boot epoch.
>> + *
>> + * WARNING: The EC's sense of time is much less accurate than the AP's
>> + * sense of time, in both phase and frequency. This timebase is similar
>> + * to CLOCK_MONOTONIC_RAW, but with 1% or more frequency error.
>> + */
>> + uint32_t time_since_ec_boot_ms;
>> +
>> + /*
>> + * Number of times the AP was reset by the EC since the last EC boot.
>> + * Note that the AP may be held in reset by the EC during the initial
>> + * boot sequence, such that the very first AP boot may count as more
>> + * than one here.
>> + */
>> + uint32_t ap_resets_since_ec_boot;
>> +
>> + /*
>> + * The set of flags which describe the EC's most recent reset. See
>> + * include/system.h RESET_FLAG_* for details.
>> + */
>> + uint32_t ec_reset_flags;
>> +
>> + /* Empty log entries have both the cause and timestamp set to zero. */
>> + struct ap_reset_log_entry {
>> + /*
>> + * See include/chipset.h: enum chipset_{reset,shutdown}_reason
>> + * for details.
>> + */
>> + uint16_t reset_cause;
>> +
>> + /* Reserved for protocol growth. */
>> + uint16_t reserved;
>> +
>> + /*
>> + * The time of the reset's assertion, in milliseconds since the
>> + * last EC boot, in the same epoch as time_since_ec_boot_ms.
>> + * Set to zero if the log entry is empty.
>> + */
>> + uint32_t reset_time_ms;
>> + } recent_ap_reset[4];
>> +} __ec_align4;
>> +
>> +/*
>> + * Add entropy to the device secret (stored in the rollback region).
>> + *
>> + * Depending on the chip, the operation may take a long time (e.g. to erase
>> + * flash), so the commands are asynchronous.
>> + */
>> +#define EC_CMD_ADD_ENTROPY 0x0122
>> +
>> +enum add_entropy_action {
>> + /* Add entropy to the current secret. */
>> + ADD_ENTROPY_ASYNC = 0,
>> + /*
>> + * Add entropy, and also make sure that the previous secret is erased.
>> + * (this can be implemented by adding entropy multiple times until
>> + * all rolback blocks have been overwritten).
>> + */
>> + ADD_ENTROPY_RESET_ASYNC = 1,
>> + /* Read back result from the previous operation. */
>> + ADD_ENTROPY_GET_RESULT = 2,
>> +};
>> +
>> +struct ec_params_rollback_add_entropy {
>> + uint8_t action;
>> +} __ec_align1;
>> +
>> +/*
>> + * Perform a single read of a given ADC channel.
>> + */
>> +#define EC_CMD_ADC_READ 0x0123
>> +
>> +struct ec_params_adc_read {
>> + uint8_t adc_channel;
>> +} __ec_align1;
>> +
>> +struct ec_response_adc_read {
>> + int32_t adc_value;
>> +} __ec_align4;
>> +
>> +/*
>> + * Read back rollback info
>> + */
>> +#define EC_CMD_ROLLBACK_INFO 0x0124
>> +
>> +struct ec_response_rollback_info {
>> + int32_t id; /* Incrementing number to indicate which region to use. */
>> + int32_t rollback_min_version;
>> + int32_t rw_rollback_version;
>> +} __ec_align4;
>> +
>> +
>> +/* Issue AP reset */
>> +#define EC_CMD_AP_RESET 0x0125
>> +
>> +/*****************************************************************************/
>> +/* 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 */
>> +#define EC_CMD_FP_PASSTHRU 0x0400
>> +
>> +#define EC_FP_FLAG_NOT_COMPLETE 0x1
>> +
>> +struct ec_params_fp_passthru {
>> + uint16_t len; /* Number of bytes to write then read */
>> + uint16_t flags; /* EC_FP_FLAG_xxx */
>> + uint8_t data[]; /* Data to send */
>> +} __ec_align2;
>> +
>> +/* Configure the Fingerprint MCU behavior */
>> +#define EC_CMD_FP_MODE 0x0402
>> +
>> +/* Put the sensor in its lowest power mode */
>> +#define FP_MODE_DEEPSLEEP BIT(0)
>> +/* Wait to see a finger on the sensor */
>> +#define FP_MODE_FINGER_DOWN BIT(1)
>> +/* Poll until the finger has left the sensor */
>> +#define FP_MODE_FINGER_UP BIT(2)
>> +/* Capture the current finger image */
>> +#define FP_MODE_CAPTURE BIT(3)
>> +/* Finger enrollment session on-going */
>> +#define FP_MODE_ENROLL_SESSION BIT(4)
>> +/* Enroll the current finger image */
>> +#define FP_MODE_ENROLL_IMAGE BIT(5)
>> +/* Try to match the current finger image */
>> +#define FP_MODE_MATCH BIT(6)
>> +/* Reset and re-initialize the sensor. */
>> +#define FP_MODE_RESET_SENSOR BIT(7)
>> +/* special value: don't change anything just read back current mode */
>> +#define FP_MODE_DONT_CHANGE BIT(31)
>> +
>> +#define FP_VALID_MODES (FP_MODE_DEEPSLEEP | \
>> + FP_MODE_FINGER_DOWN | \
>> + FP_MODE_FINGER_UP | \
>> + FP_MODE_CAPTURE | \
>> + FP_MODE_ENROLL_SESSION | \
>> + FP_MODE_ENROLL_IMAGE | \
>> + FP_MODE_MATCH | \
>> + FP_MODE_RESET_SENSOR | \
>> + FP_MODE_DONT_CHANGE)
>> +
>> +/* Capture types defined in bits [30..28] */
>> +#define FP_MODE_CAPTURE_TYPE_SHIFT 28
>> +#define FP_MODE_CAPTURE_TYPE_MASK (0x7 << FP_MODE_CAPTURE_TYPE_SHIFT)
>> +/*
>> + * This enum must remain ordered, if you add new values you must ensure that
>> + * FP_CAPTURE_TYPE_MAX is still the last one.
>> + */
>> +enum fp_capture_type {
>> + /* Full blown vendor-defined capture (produces 'frame_size' bytes) */
>> + FP_CAPTURE_VENDOR_FORMAT = 0,
>> + /* Simple raw image capture (produces width x height x bpp bits) */
>> + FP_CAPTURE_SIMPLE_IMAGE = 1,
>> + /* Self test pattern (e.g. checkerboard) */
>> + FP_CAPTURE_PATTERN0 = 2,
>> + /* Self test pattern (e.g. inverted checkerboard) */
>> + FP_CAPTURE_PATTERN1 = 3,
>> + /* Capture for Quality test with fixed contrast */
>> + FP_CAPTURE_QUALITY_TEST = 4,
>> + /* Capture for pixel reset value test */
>> + FP_CAPTURE_RESET_TEST = 5,
>> + FP_CAPTURE_TYPE_MAX,
>> +};
>> +/* Extracts the capture type from the sensor 'mode' word */
>> +#define FP_CAPTURE_TYPE(mode) (((mode) & FP_MODE_CAPTURE_TYPE_MASK) \
>> + >> FP_MODE_CAPTURE_TYPE_SHIFT)
>> +
>> +struct ec_params_fp_mode {
>> + uint32_t mode; /* as defined by FP_MODE_ constants */
>> +} __ec_align4;
>> +
>> +struct ec_response_fp_mode {
>> + uint32_t mode; /* as defined by FP_MODE_ constants */
>> +} __ec_align4;
>> +
>> +/* Retrieve Fingerprint sensor information */
>> +#define EC_CMD_FP_INFO 0x0403
>> +
>> +/* Number of dead pixels detected on the last maintenance */
>> +#define FP_ERROR_DEAD_PIXELS(errors) ((errors) & 0x3FF)
>> +/* Unknown number of dead pixels detected on the last maintenance */
>> +#define FP_ERROR_DEAD_PIXELS_UNKNOWN (0x3FF)
>> +/* No interrupt from the sensor */
>> +#define FP_ERROR_NO_IRQ BIT(12)
>> +/* SPI communication error */
>> +#define FP_ERROR_SPI_COMM BIT(13)
>> +/* Invalid sensor Hardware ID */
>> +#define FP_ERROR_BAD_HWID BIT(14)
>> +/* Sensor initialization failed */
>> +#define FP_ERROR_INIT_FAIL BIT(15)
>> +
>> +struct ec_response_fp_info_v0 {
>> + /* Sensor identification */
>> + uint32_t vendor_id;
>> + uint32_t product_id;
>> + uint32_t model_id;
>> + uint32_t version;
>> + /* Image frame characteristics */
>> + uint32_t frame_size;
>> + uint32_t pixel_format; /* using V4L2_PIX_FMT_ */
>> + uint16_t width;
>> + uint16_t height;
>> + uint16_t bpp;
>> + uint16_t errors; /* see FP_ERROR_ flags above */
>> +} __ec_align4;
>> +
>> +struct ec_response_fp_info {
>> + /* Sensor identification */
>> + uint32_t vendor_id;
>> + uint32_t product_id;
>> + uint32_t model_id;
>> + uint32_t version;
>> + /* Image frame characteristics */
>> + uint32_t frame_size;
>> + uint32_t pixel_format; /* using V4L2_PIX_FMT_ */
>> + uint16_t width;
>> + uint16_t height;
>> + uint16_t bpp;
>> + uint16_t errors; /* see FP_ERROR_ flags above */
>> + /* Template/finger current information */
>> + uint32_t template_size; /* max template size in bytes */
>> + uint16_t template_max; /* maximum number of fingers/templates */
>> + uint16_t template_valid; /* number of valid fingers/templates */
>> + uint32_t template_dirty; /* bitmap of templates with MCU side changes */
>> + uint32_t template_version; /* version of the template format */
>> +} __ec_align4;
>> +
>> +/* Get the last captured finger frame or a template content */
>> +#define EC_CMD_FP_FRAME 0x0404
>> +
>> +/* constants defining the 'offset' field which also contains the frame index */
>> +#define FP_FRAME_INDEX_SHIFT 28
>> +/* Frame buffer where the captured image is stored */
>> +#define FP_FRAME_INDEX_RAW_IMAGE 0
>> +/* First frame buffer holding a template */
>> +#define FP_FRAME_INDEX_TEMPLATE 1
>> +#define FP_FRAME_GET_BUFFER_INDEX(offset) ((offset) >> FP_FRAME_INDEX_SHIFT)
>> +#define FP_FRAME_OFFSET_MASK 0x0FFFFFFF
>> +
>> +/* Version of the format of the encrypted templates. */
>> +#define FP_TEMPLATE_FORMAT_VERSION 3
>> +
>> +/* Constants for encryption parameters */
>> +#define FP_CONTEXT_NONCE_BYTES 12
>> +#define FP_CONTEXT_USERID_WORDS (32 / sizeof(uint32_t))
>> +#define FP_CONTEXT_TAG_BYTES 16
>> +#define FP_CONTEXT_SALT_BYTES 16
>> +#define FP_CONTEXT_TPM_BYTES 32
>> +
>> +struct ec_fp_template_encryption_metadata {
>> + /*
>> + * Version of the structure format (N=3).
>> + */
>> + uint16_t struct_version;
>> + /* Reserved bytes, set to 0. */
>> + uint16_t reserved;
>> + /*
>> + * The salt is *only* ever used for key derivation. The nonce is unique,
>> + * a different one is used for every message.
>> + */
>> + uint8_t nonce[FP_CONTEXT_NONCE_BYTES];
>> + uint8_t salt[FP_CONTEXT_SALT_BYTES];
>> + uint8_t tag[FP_CONTEXT_TAG_BYTES];
>> +};
>> +
>> +struct ec_params_fp_frame {
>> + /*
>> + * The offset contains the template index or FP_FRAME_INDEX_RAW_IMAGE
>> + * in the high nibble, and the real offset within the frame in
>> + * FP_FRAME_OFFSET_MASK.
>> + */
>> + uint32_t offset;
>> + uint32_t size;
>> +} __ec_align4;
>> +
>> +/* Load a template into the MCU */
>> +#define EC_CMD_FP_TEMPLATE 0x0405
>> +
>> +/* Flag in the 'size' field indicating that the full template has been sent */
>> +#define FP_TEMPLATE_COMMIT 0x80000000
>> +
>> +struct ec_params_fp_template {
>> + uint32_t offset;
>> + uint32_t size;
>> + uint8_t data[];
>> +} __ec_align4;
>> +
>> +/* Clear the current fingerprint user context and set a new one */
>> +#define EC_CMD_FP_CONTEXT 0x0406
>> +
>> +struct ec_params_fp_context {
>> + uint32_t userid[FP_CONTEXT_USERID_WORDS];
>> +} __ec_align4;
>> +
>> +#define EC_CMD_FP_STATS 0x0407
>> +
>> +#define FPSTATS_CAPTURE_INV BIT(0)
>> +#define FPSTATS_MATCHING_INV BIT(1)
>> +
>> +struct ec_response_fp_stats {
>> + uint32_t capture_time_us;
>> + uint32_t matching_time_us;
>> + uint32_t overall_time_us;
>> + struct {
>> + uint32_t lo;
>> + uint32_t hi;
>> + } overall_t0;
>> + uint8_t timestamps_invalid;
>> + int8_t template_matched;
>> +} __ec_align2;
>> +
>> +#define EC_CMD_FP_SEED 0x0408
>> +struct ec_params_fp_seed {
>> + /*
>> + * Version of the structure format (N=3).
>> + */
>> + uint16_t struct_version;
>> + /* Reserved bytes, set to 0. */
>> + uint16_t reserved;
>> + /* Seed from the TPM. */
>> + uint8_t seed[FP_CONTEXT_TPM_BYTES];
>> +} __ec_align4;
>> +
>> +/*****************************************************************************/
>> +/* Touchpad MCU commands: range 0x0500-0x05FF */
>> +
>> +/* Perform touchpad self test */
>> +#define EC_CMD_TP_SELF_TEST 0x0500
>> +
>> +/* Get number of frame types, and the size of each type */
>> +#define EC_CMD_TP_FRAME_INFO 0x0501
>> +
>> +struct ec_response_tp_frame_info {
>> + uint32_t n_frames;
>> + uint32_t frame_sizes[0];
>> +} __ec_align4;
>> +
>> +/* Create a snapshot of current frame readings */
>> +#define EC_CMD_TP_FRAME_SNAPSHOT 0x0502
>> +
>> +/* Read the frame */
>> +#define EC_CMD_TP_FRAME_GET 0x0503
>> +
>> +struct ec_params_tp_frame_get {
>> + uint32_t frame_index;
>> + uint32_t offset;
>> + uint32_t size;
>> +} __ec_align4;
>> +
>> +/*****************************************************************************/
>> +/* EC-EC communication commands: range 0x0600-0x06FF */
>> +
>> +#define EC_COMM_TEXT_MAX 8
>> +
>> +/*
>> + * Get battery static information, i.e. information that never changes, or
>> + * very infrequently.
>> + */
>> +#define EC_CMD_BATTERY_GET_STATIC 0x0600
>> +
>> +/**
>> + * struct ec_params_battery_static_info - Battery static info parameters
>> + * @index: Battery index.
>> + */
>> +struct ec_params_battery_static_info {
>> + uint8_t index;
>> +} __ec_align_size1;
>> +
>> +/**
>> + * struct ec_response_battery_static_info - Battery static info response
>> + * @design_capacity: Battery Design Capacity (mAh)
>> + * @design_voltage: Battery Design Voltage (mV)
>> + * @manufacturer: Battery Manufacturer String
>> + * @model: Battery Model Number String
>> + * @serial: Battery Serial Number String
>> + * @type: Battery Type String
>> + * @cycle_count: Battery Cycle Count
>> + */
>> +struct ec_response_battery_static_info {
>> + uint16_t design_capacity;
>> + uint16_t design_voltage;
>> + char manufacturer[EC_COMM_TEXT_MAX];
>> + char model[EC_COMM_TEXT_MAX];
>> + char serial[EC_COMM_TEXT_MAX];
>> + char type[EC_COMM_TEXT_MAX];
>> + /* TODO(crbug.com/795991): Consider moving to dynamic structure. */
>> + uint32_t cycle_count;
>> +} __ec_align4;
>> +
>> +/*
>> + * Get battery dynamic information, i.e. information that is likely to change
>> + * every time it is read.
>> + */
>> +#define EC_CMD_BATTERY_GET_DYNAMIC 0x0601
>> +
>> +/**
>> + * struct ec_params_battery_dynamic_info - Battery dynamic info parameters
>> + * @index: Battery index.
>> + */
>> +struct ec_params_battery_dynamic_info {
>> + uint8_t index;
>> +} __ec_align_size1;
>> +
>> +/**
>> + * struct ec_response_battery_dynamic_info - Battery dynamic info response
>> + * @actual_voltage: Battery voltage (mV)
>> + * @actual_current: Battery current (mA); negative=discharging
>> + * @remaining_capacity: Remaining capacity (mAh)
>> + * @full_capacity: Capacity (mAh, might change occasionally)
>> + * @flags: Flags, see EC_BATT_FLAG_*
>> + * @desired_voltage: Charging voltage desired by battery (mV)
>> + * @desired_current: Charging current desired by battery (mA)
>> + */
>> +struct ec_response_battery_dynamic_info {
>> + int16_t actual_voltage;
>> + int16_t actual_current;
>> + int16_t remaining_capacity;
>> + int16_t full_capacity;
>> + int16_t flags;
>> + int16_t desired_voltage;
>> + int16_t desired_current;
>> +} __ec_align2;
>> +
>> +/*
>> + * Control charger chip. Used to control charger chip on the slave.
>> + */
>> +#define EC_CMD_CHARGER_CONTROL 0x0602
>> +
>> +/**
>> + * struct ec_params_charger_control - Charger control parameters
>> + * @max_current: Charger current (mA). Positive to allow base to draw up to
>> + * max_current and (possibly) charge battery, negative to request current
>> + * from base (OTG).
>> + * @otg_voltage: Voltage (mV) to use in OTG mode, ignored if max_current is
>> + * >= 0.
>> + * @allow_charging: Allow base battery charging (only makes sense if
>> + * max_current > 0).
>> + */
>> +struct ec_params_charger_control {
>> + int16_t max_current;
>> + uint16_t otg_voltage;
>> + uint8_t allow_charging;
>> +} __ec_align_size1;
>> +
>> +/*****************************************************************************/
>> +/*
>> + * 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))
>>
>> /*****************************************************************************/
>> /*
>> @@ -3457,4 +5712,10 @@ struct ec_response_usb_pd_mux_info {
>> #define EC_LPC_ADDR_OLD_PARAM EC_HOST_CMD_REGION1
>> #define EC_OLD_PARAM_SIZE EC_HOST_CMD_REGION_SIZE
>>
>> +#endif /* !__ACPI__ */
>> +
>> +#ifdef __cplusplus
>> +}
>> +#endif
>> +
>> #endif /* __CROS_EC_COMMANDS_H */
>> --
>> 2.21.0.392.gf8f6787159e-goog
>>
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