diff options
Diffstat (limited to 'src/ec')
| -rw-r--r-- | src/ec/google/chromeec/ec_commands.h | 1784 |
1 files changed, 1218 insertions, 566 deletions
diff --git a/src/ec/google/chromeec/ec_commands.h b/src/ec/google/chromeec/ec_commands.h index ec404f091e..3e093f63be 100644 --- a/src/ec/google/chromeec/ec_commands.h +++ b/src/ec/google/chromeec/ec_commands.h @@ -31,6 +31,19 @@ #ifndef __CROS_EC_EC_COMMANDS_H #define __CROS_EC_EC_COMMANDS_H +#ifndef __ACPI__ +#include <stdint.h> +#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 + /* * Current version of this protocol * @@ -219,7 +232,7 @@ * - Wait for EC_LPC_CMDR_DATA bit to set * - Read value from EC_LPC_ADDR_ACPI_DATA */ -#define EC_CMD_ACPI_READ 0x80 +#define EC_CMD_ACPI_READ 0x0080 /* * ACPI Write Embedded Controller @@ -234,7 +247,7 @@ * - Wait for EC_LPC_CMDR_PENDING bit to clear * - Write value to EC_LPC_ADDR_ACPI_DATA */ -#define EC_CMD_ACPI_WRITE 0x81 +#define EC_CMD_ACPI_WRITE 0x0081 /* * ACPI Burst Enable Embedded Controller @@ -243,7 +256,7 @@ * 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 0x82 +#define EC_CMD_ACPI_BURST_ENABLE 0x0082 /* * ACPI Burst Disable Embedded Controller @@ -251,7 +264,7 @@ * This disables burst mode on the EC and stops preventing EC writes to mapped * multi-byte data. */ -#define EC_CMD_ACPI_BURST_DISABLE 0x83 +#define EC_CMD_ACPI_BURST_DISABLE 0x0083 /* * ACPI Query Embedded Controller @@ -260,7 +273,7 @@ * 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 +#define EC_CMD_ACPI_QUERY_EVENT 0x0084 /* Valid addresses in ACPI memory space, for read/write commands */ @@ -327,12 +340,13 @@ #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 - * bit 0 device is tablet mode + * bit 0 device is tablet mode */ -#define EC_ACPI_MEM_DEVICE_ORIENTATION 0x09 -#define EC_ACPI_MEM_DEVICE_TABLET_MODE 0x01 +#define EC_ACPI_MEM_DEVICE_ORIENTATION 0x09 +#define EC_ACPI_MEM_DEVICE_TABLET_MODE 0x01 /* * ACPI addresses 0x20 - 0xff map to EC_MEMMAP offset 0x00 - 0xdf. This data @@ -352,8 +366,6 @@ */ #ifndef __ACPI__ -#include <stdint.h> - /* * Define __packed if someone hasn't beat us to it. Linux kernel style * checking prefers __packed over __attribute__((packed)). @@ -362,6 +374,92 @@ #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 @@ -387,7 +485,9 @@ #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, @@ -404,8 +504,8 @@ enum ec_status { EC_RES_INVALID_HEADER = 12, /* Header contains invalid data */ EC_RES_REQUEST_TRUNCATED = 13, /* Didn't get the entire request */ EC_RES_RESPONSE_TOO_BIG = 14, /* Response was too big to handle */ - EC_RES_BUS_ERROR = 15, /* Communications bus error */ - EC_RES_BUSY = 16 /* Up but too busy. Should retry */ + EC_RES_BUS_ERROR = 15, /* Communications bus error */ + EC_RES_BUSY = 16 /* Up but too busy. Should retry */ }; /* @@ -425,7 +525,8 @@ 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, @@ -499,7 +600,7 @@ enum host_event_code { #define EC_HOST_EVENT_MASK(event_code) (1UL << ((event_code) - 1)) /* Arguments at EC_LPC_ADDR_HOST_ARGS */ -struct ec_lpc_host_args { +struct __ec_align4 ec_lpc_host_args { uint8_t flags; uint8_t command_version; uint8_t data_size; @@ -508,7 +609,7 @@ struct ec_lpc_host_args { * all params/response data bytes. */ uint8_t checksum; -} __packed; +}; /* Flags for ec_lpc_host_args.flags */ /* @@ -518,7 +619,7 @@ 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 /* @@ -661,8 +762,8 @@ struct ec_lpc_host_args { #define EC_HOST_REQUEST_VERSION 3 /* Version 3 request from host */ -struct ec_host_request { - /* Struct version (=3) +struct __ec_align4 ec_host_request { + /* Structure version (=3) * * EC will return EC_RES_INVALID_HEADER if it receives a header with a * version it doesn't know how to parse. @@ -686,13 +787,13 @@ struct ec_host_request { /* Length of data which follows this header */ uint16_t data_len; -} __packed; +}; #define EC_HOST_RESPONSE_VERSION 3 /* Version 3 response from EC */ -struct ec_host_response { - /* Struct version (=3) */ +struct __ec_align4 ec_host_response { + /* Structure version (=3) */ uint8_t struct_version; /* @@ -709,18 +810,21 @@ struct ec_host_response { /* Unused bytes in current protocol version; set to 0 */ uint16_t reserved; -} __packed; +}; /*****************************************************************************/ /* * 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. */ /*****************************************************************************/ @@ -730,28 +834,28 @@ 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 { +struct __ec_align4 ec_response_proto_version { uint32_t version; -} __packed; +}; /* * 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 { +struct __ec_align4 ec_params_hello { uint32_t in_data; /* Pass anything here */ -} __packed; +}; -struct ec_response_hello { +struct __ec_align4 ec_response_hello { uint32_t out_data; /* Output will be in_data + 0x01020304 */ -} __packed; +}; /* Get version number */ -#define EC_CMD_GET_VERSION 0x02 +#define EC_CMD_GET_VERSION 0x0002 enum ec_current_image { EC_IMAGE_UNKNOWN = 0, @@ -759,49 +863,49 @@ enum ec_current_image { EC_IMAGE_RW }; -struct ec_response_get_version { +struct __ec_align4 ec_response_get_version { /* Null-terminated version strings for RO, RW */ char version_string_ro[32]; char version_string_rw[32]; char reserved[32]; /* Was previously RW-B string */ uint32_t current_image; /* One of ec_current_image */ -} __packed; +}; /* Read test */ -#define EC_CMD_READ_TEST 0x03 +#define EC_CMD_READ_TEST 0x0003 -struct ec_params_read_test { +struct __ec_align4 ec_params_read_test { uint32_t offset; /* Starting value for read buffer */ uint32_t size; /* Size to read in bytes */ -} __packed; +}; -struct ec_response_read_test { +struct __ec_align4 ec_response_read_test { uint32_t data[32]; -} __packed; +}; /* * 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 { +struct __ec_align4 ec_response_get_chip_info { /* Null-terminated strings */ char vendor[32]; char name[32]; char revision[32]; /* Mask version */ -} __packed; +}; /* Get board HW version */ -#define EC_CMD_GET_BOARD_VERSION 0x06 +#define EC_CMD_GET_BOARD_VERSION 0x0006 -struct ec_response_board_version { +struct __ec_align2 ec_response_board_version { uint16_t board_version; /* A monotonously incrementing number. */ -} __packed; +}; /* * Read memory-mapped data. @@ -811,73 +915,73 @@ 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 { +struct __ec_align1 ec_params_read_memmap { uint8_t offset; /* Offset in memmap (EC_MEMMAP_*) */ uint8_t size; /* Size to read in bytes */ -} __packed; +}; /* 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 { +struct __ec_align1 ec_params_get_cmd_versions { uint8_t cmd; /* Command to check */ -} __packed; +}; -struct ec_params_get_cmd_versions_v1 { +struct __ec_align2 ec_params_get_cmd_versions_v1 { uint16_t cmd; /* Command to check */ -} __packed; +}; -struct ec_response_get_cmd_versions { +struct __ec_align4 ec_response_get_cmd_versions { /* * Mask of supported versions; use EC_VER_MASK() to compare with a * desired version. */ uint32_t version_mask; -} __packed; +}; /* - * 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 */ }; -struct ec_response_get_comms_status { +struct __ec_align4 ec_response_get_comms_status { uint32_t flags; /* Mask of enum ec_comms_status */ -} __packed; +}; /* 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 { +struct __ec_align4 ec_params_test_protocol { uint32_t ec_result; uint32_t ret_len; uint8_t buf[32]; -} __packed; +}; /* Here it comes... */ -struct ec_response_test_protocol { +struct __ec_align4 ec_response_test_protocol { uint8_t buf[32]; -} __packed; +}; -/* 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) -struct ec_response_get_protocol_info { +struct __ec_align4 ec_response_get_protocol_info { /* Fields which exist if at least protocol version 3 supported */ /* Bitmask of protocol versions supported (1 << n means version n)*/ @@ -891,7 +995,7 @@ struct ec_response_get_protocol_info { /* Flags; see EC_PROTOCOL_INFO_* */ uint32_t flags; -} __packed; +}; /*****************************************************************************/ @@ -904,22 +1008,22 @@ struct ec_response_get_protocol_info { meaning for an individual command. */ #define EC_GSV_PARAM_MASK 0x00ffffff -struct ec_params_get_set_value { +struct __ec_align4 ec_params_get_set_value { uint32_t flags; uint32_t value; -} __packed; +}; -struct ec_response_get_set_value { +struct __ec_align4 ec_response_get_set_value { uint32_t flags; uint32_t value; -} __packed; +}; /* More than one command can use these structs to get/set parameters. */ -#define EC_CMD_GSV_PAUSE_IN_S5 0x0c +#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 { @@ -982,7 +1086,7 @@ 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, @@ -996,22 +1100,35 @@ enum ec_feature_code { 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, }; #define EC_FEATURE_MASK_0(event_code) (1UL << (event_code % 32)) #define EC_FEATURE_MASK_1(event_code) (1UL << (event_code - 32)) -struct ec_response_get_features { +struct __ec_align4 ec_response_get_features { uint32_t flags[2]; -} __packed; +}; /*****************************************************************************/ /* Flash commands */ /* Get flash info */ -#define EC_CMD_FLASH_INFO 0x10 +#define EC_CMD_FLASH_INFO 0x0010 +#define EC_VER_FLASH_INFO 2 /* Version 0 returns these fields */ -struct ec_response_flash_info { +struct __ec_align4 ec_response_flash_info { /* Usable flash size, in bytes */ uint32_t flash_size; /* @@ -1029,7 +1146,7 @@ struct ec_response_flash_info { * multiple of this. */ uint32_t protect_block_size; -} __packed; +}; /* Flags for version 1+ flash info command */ /* EC flash erases bits to 0 instead of 1 */ @@ -1040,9 +1157,16 @@ 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 { +struct __ec_align4 ec_response_flash_info_1 { /* Version 0 fields; see above for description */ uint32_t flash_size; uint32_t write_block_size; @@ -1060,40 +1184,112 @@ struct ec_response_flash_info_1 { /* Flags; see EC_FLASH_INFO_* */ uint32_t flags; -} __packed; +}; + +struct __ec_align4 ec_params_flash_info_2 { + /* Number of banks to describe */ + uint16_t num_banks_desc; + /* Reserved; set 0; ignore on read */ + uint8_t reserved[2]; +}; + +struct ec_flash_bank { + /* Number of sector is in this bank. */ + uint16_t count; + /* Size in power of 2 of each sector (8 --> 256 bytes) */ + uint8_t size_exp; + /* Minimal write size for the sectors in this bank */ + uint8_t write_size_exp; + /* Erase size for the sectors in this bank */ + uint8_t erase_size_exp; + /* Size for write protection, usually identical to erase size. */ + uint8_t protect_size_exp; + /* Reserved; set 0; ignore on read */ + uint8_t reserved[2]; +}; + +struct __ec_align4 ec_response_flash_info_2 { + /* Total flash in the EC. */ + uint32_t flash_size; + /* Flags; see EC_FLASH_INFO_* */ + uint32_t flags; + /* Maximum size to use to send data to write to the EC. */ + uint32_t write_ideal_size; + /* Number of banks present in the EC. */ + uint16_t num_banks_total; + /* Number of banks described in banks array. */ + uint16_t num_banks_desc; + struct ec_flash_bank banks[0]; +}; /* * Read flash * * Response is params.size bytes of data. */ -#define EC_CMD_FLASH_READ 0x11 +#define EC_CMD_FLASH_READ 0x0011 -struct ec_params_flash_read { +struct __ec_align4 ec_params_flash_read { uint32_t offset; /* Byte offset to read */ uint32_t size; /* Size to read in bytes */ -} __packed; +}; /* 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 */ #define EC_FLASH_WRITE_VER0_SIZE 64 -struct ec_params_flash_write { +struct __ec_align4 ec_params_flash_write { uint32_t offset; /* Byte offset to write */ uint32_t size; /* Size to write in bytes */ /* Followed by data to write */ -} __packed; +}; /* Erase flash */ -#define EC_CMD_FLASH_ERASE 0x13 +#define EC_CMD_FLASH_ERASE 0x0013 -struct ec_params_flash_erase { +/* v0 */ +struct __ec_align4 ec_params_flash_erase { uint32_t offset; /* Byte offset to erase */ uint32_t size; /* Size to erase in bytes */ -} __packed; +}; + + +#define EC_VER_FLASH_WRITE 1 +/* v1 add async erase: + * subcommands can returns: + * EC_RES_SUCCESS : erased (see ERASE_SECTOR_ASYNC case below). + * EC_RES_INVALID_PARAM : offset/size are not aligned on a erase boundary. + * EC_RES_ERROR : other errors. + * EC_RES_BUSY : an existing erase operation is in progress. + * EC_RES_ACCESS_DENIED: Trying to erase running image. + * + * When ERASE_SECTOR_ASYNC returns EC_RES_SUCCESS, the operation is just + * properly queued. The user must call ERASE_GET_RESULT subcommand to get + * the proper result. + * When ERASE_GET_RESULT returns EC_RES_BUSY, the caller must wait and send + * ERASE_GET_RESULT again to get the result of ERASE_SECTOR_ASYNC. + * ERASE_GET_RESULT command may timeout on EC where flash access is not + * permitted while erasing. (For instance, STM32F4). + */ +enum ec_flash_erase_cmd { + FLASH_ERASE_SECTOR, /* Erase and wait for result */ + FLASH_ERASE_SECTOR_ASYNC, /* Erase and return immediately. */ + FLASH_ERASE_GET_RESULT, /* Ask for last erase result */ +}; + +struct __ec_align4 ec_params_flash_erase_v1 { + /* One of ec_flash_erase_cmd. */ + uint8_t cmd; + /* Pad byte; currently always contains 0 */ + uint8_t reserved; + /* No flags defined yet; set to 0 */ + uint16_t flag; + /* Same as v0 parameters. */ + struct ec_params_flash_erase params; +}; /* * Get/set flash protection. @@ -1105,7 +1301,7 @@ struct ec_params_flash_erase { * * 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 */ @@ -1130,13 +1326,21 @@ struct ec_params_flash_erase { #define EC_FLASH_PROTECT_ERROR_INCONSISTENT (1 << 5) /* Entire flash code protected when the EC boots */ #define EC_FLASH_PROTECT_ALL_AT_BOOT (1 << 6) - -struct ec_params_flash_protect { +/* RW flash code protected when the EC boots */ +#define EC_FLASH_PROTECT_RW_AT_BOOT (1 << 7) +/* RW flash code protected now. */ +#define EC_FLASH_PROTECT_RW_NOW (1 << 8) +/* Rollback information flash region protected when the EC boots */ +#define EC_FLASH_PROTECT_ROLLBACK_AT_BOOT (1 << 9) +/* Rollback information flash region protected now */ +#define EC_FLASH_PROTECT_ROLLBACK_NOW (1 << 10) + +struct __ec_align4 ec_params_flash_protect { uint32_t mask; /* Bits in flags to apply */ uint32_t flags; /* New flags to apply */ -} __packed; +}; -struct ec_response_flash_protect { +struct __ec_align4 ec_response_flash_protect { /* Current value of flash protect flags */ uint32_t flags; /* @@ -1147,7 +1351,7 @@ struct ec_response_flash_protect { uint32_t valid_flags; /* Flags which can be changed given the current protection state */ uint32_t writable_flags; -} __packed; +}; /* * Note: commands 0x14 - 0x19 version 0 were old commands to get/set flash @@ -1155,7 +1359,7 @@ 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 { @@ -1172,17 +1376,17 @@ enum ec_flash_region { EC_FLASH_REGION_COUNT, }; -struct ec_params_flash_region_info { +struct __ec_align4 ec_params_flash_region_info { uint32_t region; /* enum ec_flash_region */ -} __packed; +}; -struct ec_response_flash_region_info { +struct __ec_align4 ec_response_flash_region_info { uint32_t offset; uint32_t size; -} __packed; +}; /* 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 @@ -1191,71 +1395,89 @@ enum ec_vbnvcontext_op { EC_VBNV_CONTEXT_OP_WRITE, }; -struct ec_params_vbnvcontext { +struct __ec_align4 ec_params_vbnvcontext { uint32_t op; uint8_t block[EC_VBNV_BLOCK_SIZE]; -} __packed; +}; -struct ec_response_vbnvcontext { +struct __ec_align4 ec_response_vbnvcontext { uint8_t block[EC_VBNV_BLOCK_SIZE]; -} __packed; +}; + + +/* Get SPI flash information */ +#define EC_CMD_FLASH_SPI_INFO 0x0018 + +struct __ec_align1 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; +}; /*****************************************************************************/ /* 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 { +struct __ec_align4 ec_response_pwm_get_fan_rpm { uint32_t rpm; -} __packed; +}; /* 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 { +struct __ec_align4 ec_params_pwm_set_fan_target_rpm_v0 { uint32_t rpm; -} __packed; +}; /* Version 1 of input params */ -struct ec_params_pwm_set_fan_target_rpm_v1 { +struct __ec_align_size1 ec_params_pwm_set_fan_target_rpm_v1 { uint32_t rpm; uint8_t fan_idx; -} __packed; +}; /* Get keyboard backlight */ /* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */ -#define EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT 0x22 +#define EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT 0x0022 -struct ec_response_pwm_get_keyboard_backlight { +struct __ec_align1 ec_response_pwm_get_keyboard_backlight { uint8_t percent; uint8_t enabled; -} __packed; +}; /* Set keyboard backlight */ /* OBSOLETE - Use EC_CMD_PWM_SET_DUTY */ -#define EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT 0x23 +#define EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT 0x0023 -struct ec_params_pwm_set_keyboard_backlight { +struct __ec_align1 ec_params_pwm_set_keyboard_backlight { uint8_t percent; -} __packed; +}; /* 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 { +struct __ec_align4 ec_params_pwm_set_fan_duty_v0 { uint32_t percent; -} __packed; +}; /* Version 1 of input params */ -struct ec_params_pwm_set_fan_duty_v1 { +struct __ec_align_size1 ec_params_pwm_set_fan_duty_v1 { uint32_t percent; uint8_t fan_idx; -} __packed; +}; -#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 @@ -1269,22 +1491,22 @@ enum ec_pwm_type { EC_PWM_TYPE_COUNT, }; -struct ec_params_pwm_set_duty { +struct __ec_align4 ec_params_pwm_set_duty { uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */ uint8_t pwm_type; /* ec_pwm_type */ uint8_t index; /* Type-specific index, or 0 if unique */ -} __packed; +}; -#define EC_CMD_PWM_GET_DUTY 0x26 +#define EC_CMD_PWM_GET_DUTY 0x0026 -struct ec_params_pwm_get_duty { +struct __ec_align1 ec_params_pwm_get_duty { uint8_t pwm_type; /* ec_pwm_type */ uint8_t index; /* Type-specific index, or 0 if unique */ -} __packed; +}; -struct ec_response_pwm_get_duty { +struct __ec_align2 ec_response_pwm_get_duty { uint16_t duty; /* Duty cycle, EC_PWM_MAX_DUTY = 100% */ -} __packed; +}; /*****************************************************************************/ /* @@ -1293,9 +1515,9 @@ 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 { +struct __ec_todo_unpacked rgb_s { uint8_t r, g, b; }; @@ -1303,7 +1525,7 @@ struct rgb_s { /* List of tweakable parameters. NOTE: It's __packed so it can be sent in a * host command, but the alignment is the same regardless. Keep it that way. */ -struct lightbar_params_v0 { +struct __ec_todo_packed lightbar_params_v0 { /* Timing */ int32_t google_ramp_up; int32_t google_ramp_down; @@ -1335,9 +1557,9 @@ struct lightbar_params_v0 { /* Color palette */ struct rgb_s color[8]; /* 0-3 are Google colors */ -} __packed; +}; -struct lightbar_params_v1 { +struct __ec_todo_packed lightbar_params_v1 { /* Timing */ int32_t google_ramp_up; int32_t google_ramp_down; @@ -1384,7 +1606,7 @@ struct lightbar_params_v1 { /* Color palette */ struct rgb_s color[8]; /* 0-3 are Google colors */ -} __packed; +}; /* Lightbar command params v2 * crbug.com/467716 @@ -1395,7 +1617,7 @@ struct lightbar_params_v1 { * NOTE: Each of these groups must be less than 120 bytes. */ -struct lightbar_params_v2_timing { +struct __ec_todo_packed lightbar_params_v2_timing { /* Timing */ int32_t google_ramp_up; int32_t google_ramp_down; @@ -1411,9 +1633,9 @@ struct lightbar_params_v2_timing { int32_t tap_tick_delay; int32_t tap_gate_delay; int32_t tap_display_time; -} __packed; +}; -struct lightbar_params_v2_tap { +struct __ec_todo_packed lightbar_params_v2_tap { /* Tap-for-battery params */ uint8_t tap_pct_red; uint8_t tap_pct_green; @@ -1421,28 +1643,28 @@ struct lightbar_params_v2_tap { uint8_t tap_seg_max_on; uint8_t tap_seg_osc; uint8_t tap_idx[3]; -} __packed; +}; -struct lightbar_params_v2_oscillation { +struct __ec_todo_packed lightbar_params_v2_oscillation { /* Oscillation */ uint8_t osc_min[2]; /* AC=0/1 */ uint8_t osc_max[2]; /* AC=0/1 */ uint8_t w_ofs[2]; /* AC=0/1 */ -} __packed; +}; -struct lightbar_params_v2_brightness { +struct __ec_todo_packed lightbar_params_v2_brightness { /* Brightness limits based on the backlight and AC. */ uint8_t bright_bl_off_fixed[2]; /* AC=0/1 */ uint8_t bright_bl_on_min[2]; /* AC=0/1 */ uint8_t bright_bl_on_max[2]; /* AC=0/1 */ -} __packed; +}; -struct lightbar_params_v2_thresholds { +struct __ec_todo_packed lightbar_params_v2_thresholds { /* Battery level thresholds */ uint8_t battery_threshold[LB_BATTERY_LEVELS - 1]; -} __packed; +}; -struct lightbar_params_v2_colors { +struct __ec_todo_packed lightbar_params_v2_colors { /* Map [AC][battery_level] to color index */ uint8_t s0_idx[2][LB_BATTERY_LEVELS]; /* AP is running */ uint8_t s3_idx[2][LB_BATTERY_LEVELS]; /* AP is sleeping */ @@ -1452,19 +1674,19 @@ struct lightbar_params_v2_colors { /* Color palette */ struct rgb_s color[8]; /* 0-3 are Google colors */ -} __packed; +}; /* Lightbyte program. */ #define EC_LB_PROG_LEN 192 -struct lightbar_program { +struct __ec_todo_unpacked lightbar_program { uint8_t size; uint8_t data[EC_LB_PROG_LEN]; }; -struct ec_params_lightbar { +struct __ec_todo_packed ec_params_lightbar { uint8_t cmd; /* Command (see enum lightbar_command) */ union { - struct { + struct __ec_todo_unpacked { /* no args */ } dump, off, on, init, get_seq, get_params_v0, get_params_v1, version, get_brightness, get_demo, suspend, resume, @@ -1472,23 +1694,23 @@ struct ec_params_lightbar { get_params_v2_osc, get_params_v2_bright, get_params_v2_thlds, get_params_v2_colors; - 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; @@ -1504,19 +1726,19 @@ struct ec_params_lightbar { struct lightbar_program set_program; }; -} __packed; +}; -struct ec_response_lightbar { +struct __ec_todo_packed 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; @@ -1531,16 +1753,16 @@ struct ec_response_lightbar { struct lightbar_params_v2_thresholds get_params_v2_thlds; struct lightbar_params_v2_colors get_params_v2_colors; - struct { + struct __ec_todo_unpacked { uint32_t num; uint32_t flags; } version; - struct { + struct __ec_todo_unpacked { uint8_t red, green, blue; } get_rgb; - struct { + struct __ec_todo_unpacked { /* no return params */ } off, on, init, set_brightness, seq, reg, set_rgb, demo, set_params_v0, set_params_v1, @@ -1549,7 +1771,7 @@ struct ec_response_lightbar { set_v2par_osc, set_v2par_bright, set_v2par_thlds, set_v2par_colors; }; -} __packed; +}; /* Lightbar commands */ enum lightbar_command { @@ -1593,7 +1815,7 @@ enum lightbar_command { /*****************************************************************************/ /* 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 */ @@ -1605,6 +1827,14 @@ 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 }; @@ -1624,14 +1854,14 @@ enum ec_led_colors { EC_LED_COLOR_COUNT }; -struct ec_params_led_control { +struct __ec_align1 ec_params_led_control { uint8_t led_id; /* Which LED to control */ uint8_t flags; /* Control flags */ uint8_t brightness[EC_LED_COLOR_COUNT]; -} __packed; +}; -struct ec_response_led_control { +struct __ec_align1 ec_response_led_control { /* * Available brightness value range. * @@ -1640,7 +1870,7 @@ struct ec_response_led_control { * Other values means the LED is control by PWM. */ uint8_t brightness_range[EC_LED_COLOR_COUNT]; -} __packed; +}; /*****************************************************************************/ /* Verified boot commands */ @@ -1651,9 +1881,9 @@ 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 { +struct __ec_align4 ec_params_vboot_hash { uint8_t cmd; /* enum ec_vboot_hash_cmd */ uint8_t hash_type; /* enum ec_vboot_hash_type */ uint8_t nonce_size; /* Nonce size; may be 0 */ @@ -1661,9 +1891,9 @@ 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; +}; -struct ec_response_vboot_hash { +struct __ec_align4 ec_response_vboot_hash { uint8_t status; /* enum ec_vboot_hash_status */ uint8_t hash_type; /* enum ec_vboot_hash_type */ uint8_t digest_size; /* Size of hash digest in bytes */ @@ -1671,7 +1901,7 @@ 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; +}; enum ec_vboot_hash_cmd { EC_VBOOT_HASH_GET = 0, /* Get current hash status */ @@ -1703,7 +1933,7 @@ enum ec_vboot_hash_status { * 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 { @@ -1805,6 +2035,19 @@ enum motionsense_command { */ MOTIONSENSE_CMD_LID_ANGLE = 14, + /* + * Allow the FIFO to trigger interrupt via MKBP events. + * By default the FIFO does not send interrupt to process the FIFO + * until the AP is ready or it is coming from a wakeup sensor. + */ + MOTIONSENSE_CMD_FIFO_INT_ENABLE = 15, + + /* + * Spoof the readings of the sensors. The spoofed readings can be set + * to arbitrary values, or will lock to the last read actual values. + */ + MOTIONSENSE_CMD_SPOOF = 16, + /* Number of motionsense sub-commands. */ MOTIONSENSE_NUM_CMDS }; @@ -1817,6 +2060,7 @@ enum motionsensor_type { MOTIONSENSE_TYPE_PROX = 3, MOTIONSENSE_TYPE_LIGHT = 4, MOTIONSENSE_TYPE_ACTIVITY = 5, + MOTIONSENSE_TYPE_BARO = 6, MOTIONSENSE_TYPE_MAX, }; @@ -1838,9 +2082,11 @@ enum motionsensor_chip { MOTIONSENSE_CHIP_KX022 = 6, MOTIONSENSE_CHIP_L3GD20H = 7, MOTIONSENSE_CHIP_BMA255 = 8, + MOTIONSENSE_CHIP_BMP280 = 9, + MOTIONSENSE_CHIP_OPT3001 = 10, }; -struct ec_response_motion_sensor_data { +struct __ec_todo_packed ec_response_motion_sensor_data { /* Flags for each sensor. */ uint8_t flags; /* sensor number the data comes from */ @@ -1848,35 +2094,36 @@ struct ec_response_motion_sensor_data { /* Each sensor is up to 3-axis. */ union { int16_t data[3]; - struct { - uint16_t rsvd; + struct __ec_todo_packed { + uint16_t reserved; uint32_t timestamp; - } __packed; - struct { + }; + struct __ec_todo_unpacked { uint8_t activity; /* motionsensor_activity */ uint8_t state; int16_t add_info[2]; }; }; -} __packed; +}; -struct ec_response_motion_sense_fifo_info { +/* Note: used in ec_response_get_next_data */ +struct __ec_todo_packed ec_response_motion_sense_fifo_info { /* Size of the fifo */ uint16_t size; /* Amount of space used in the fifo */ uint16_t count; - /* TImestamp recorded in us */ + /* Timestamp recorded in us */ uint32_t timestamp; /* Total amount of vector lost */ uint16_t total_lost; /* Lost events since the last fifo_info, per sensors */ uint16_t lost[0]; -} __packed; +}; -struct ec_response_motion_sense_fifo_data { +struct __ec_todo_packed ec_response_motion_sense_fifo_data { uint32_t number_data; struct ec_response_motion_sensor_data data[0]; -} __packed; +}; /* List supported activity recognition */ enum motionsensor_activity { @@ -1885,7 +2132,7 @@ enum motionsensor_activity { MOTIONSENSE_ACTIVITY_DOUBLE_TAP = 2, }; -struct ec_motion_sense_activity { +struct __ec_todo_unpacked ec_motion_sense_activity { uint8_t sensor_num; uint8_t activity; /* one of enum motionsensor_activity */ uint8_t enable; /* 1: enable, 0: disable */ @@ -1900,12 +2147,13 @@ struct ec_motion_sense_activity { #define MOTIONSENSE_SENSOR_FLAG_PRESENT (1<<0) /* - * Flush entry for synchronisation. + * Flush entry for synchronization. * data contains time stamp */ #define MOTIONSENSE_SENSOR_FLAG_FLUSH (1<<0) #define MOTIONSENSE_SENSOR_FLAG_TIMESTAMP (1<<1) #define MOTIONSENSE_SENSOR_FLAG_WAKEUP (1<<2) +#define MOTIONSENSE_SENSOR_FLAG_TABLET_MODE (1<<3) /* * Send this value for the data element to only perform a read. If you @@ -1922,11 +2170,25 @@ struct ec_motion_sense_activity { #define LID_ANGLE_UNRELIABLE 500 -struct ec_params_motion_sense { +enum motionsense_spoof_mode { + /* Disable spoof mode. */ + MOTIONSENSE_SPOOF_MODE_DISABLE = 0, + + /* Enable spoof mode, but use provided component values. */ + MOTIONSENSE_SPOOF_MODE_CUSTOM, + + /* Enable spoof mode, but use the current sensor values. */ + MOTIONSENSE_SPOOF_MODE_LOCK_CURRENT, + + /* Query the current spoof mode status for the sensor. */ + MOTIONSENSE_SPOOF_MODE_QUERY, +}; + +struct __ec_todo_packed ec_params_motion_sense { uint8_t cmd; union { /* Used for MOTIONSENSE_CMD_DUMP */ - struct { + struct __ec_todo_unpacked { /* * Maximal number of sensor the host is expecting. * 0 means the host is only interested in the number @@ -1938,7 +2200,7 @@ struct ec_params_motion_sense { /* * Used for MOTIONSENSE_CMD_KB_WAKE_ANGLE. */ - struct { + struct __ec_todo_unpacked { /* Data to set or EC_MOTION_SENSE_NO_VALUE to read. * kb_wake_angle: angle to wakup AP. */ @@ -1947,15 +2209,16 @@ struct ec_params_motion_sense { /* Used for MOTIONSENSE_CMD_INFO, MOTIONSENSE_CMD_DATA * and MOTIONSENSE_CMD_PERFORM_CALIB. */ - struct { + struct __ec_todo_unpacked { uint8_t sensor_num; - } info, data, fifo_flush, perform_calib, list_activities; + } 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 { + struct __ec_todo_unpacked { uint8_t sensor_num; /* Rounding flag, true for round-up, false for down. */ @@ -1968,7 +2231,7 @@ struct ec_params_motion_sense { } ec_rate, sensor_odr, sensor_range; /* Used for MOTIONSENSE_CMD_SENSOR_OFFSET */ - struct { + struct __ec_todo_packed { uint8_t sensor_num; /* @@ -1994,14 +2257,14 @@ struct ec_params_motion_sense { * Compass: 1/16 uT */ int16_t offset[3]; - } __packed sensor_offset; + } sensor_offset; /* Used for MOTIONSENSE_CMD_FIFO_INFO */ - struct { + struct __ec_todo_unpacked { } fifo_info; /* Used for MOTIONSENSE_CMD_FIFO_READ */ - struct { + struct __ec_todo_unpacked { /* * Number of expected vector to return. * EC may return less or 0 if none available. @@ -2012,15 +2275,38 @@ struct ec_params_motion_sense { struct ec_motion_sense_activity set_activity; /* Used for MOTIONSENSE_CMD_LID_ANGLE */ - struct { + struct __ec_todo_unpacked { } lid_angle; + + /* Used for MOTIONSENSE_CMD_FIFO_INT_ENABLE */ + struct __ec_todo_unpacked { + /* + * 1: enable, 0 disable fifo, + * EC_MOTION_SENSE_NO_VALUE return value. + */ + int8_t enable; + } fifo_int_enable; + + /* Used for MOTIONSENSE_CMD_SPOOF */ + struct __ec_todo_packed { + uint8_t sensor_id; + + /* See enum motionsense_spoof_mode. */ + uint8_t spoof_enable; + + /* Ignored, used for alignment. */ + uint8_t reserved; + + /* Individual component values to spoof. */ + int16_t components[3]; + } spoof; }; -} __packed; +}; -struct ec_response_motion_sense { +struct __ec_todo_packed ec_response_motion_sense { union { /* Used for MOTIONSENSE_CMD_DUMP */ - struct { + struct __ec_todo_unpacked { /* Flags representing the motion sensor module. */ uint8_t module_flags; @@ -2035,7 +2321,7 @@ struct ec_response_motion_sense { } dump; /* Used for MOTIONSENSE_CMD_INFO. */ - struct { + struct __ec_todo_unpacked { /* Should be element of enum motionsensor_type. */ uint8_t type; @@ -2046,21 +2332,45 @@ 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 { + struct __ec_todo_unpacked { int16_t temp; int16_t offset[3]; } sensor_offset, perform_calib; @@ -2069,18 +2379,17 @@ struct ec_response_motion_sense { struct ec_response_motion_sense_fifo_data fifo_read; - struct { + struct __ec_todo_packed { uint16_t reserved; uint32_t enabled; uint32_t disabled; - } __packed list_activities; + } list_activities; - struct { + struct __ec_todo_unpacked { } set_activity; - /* Used for MOTIONSENSE_CMD_LID_ANGLE */ - struct { + struct __ec_todo_unpacked { /* * Angle between 0 and 360 degree if available, * LID_ANGLE_UNRELIABLE otherwise. @@ -2088,28 +2397,42 @@ struct ec_response_motion_sense { uint16_t value; } lid_angle; }; -} __packed; +}; /*****************************************************************************/ /* Force lid open command */ /* Make lid event always open */ -#define EC_CMD_FORCE_LID_OPEN 0x2c +#define EC_CMD_FORCE_LID_OPEN 0x002C -struct ec_params_force_lid_open { +struct __ec_align1 ec_params_force_lid_open { uint8_t enabled; -} __packed; +}; + +/*****************************************************************************/ +/* Configure the behavior of the power button */ +#define EC_CMD_CONFIG_POWER_BUTTON 0x002D + +enum ec_config_power_button_flags { + /* Enable/Disable power button pulses for x86 devices */ + EC_POWER_BUTTON_ENABLE_PULSE = (1 << 0), +}; + +struct __ec_align1 ec_params_config_power_button { + /* See enum ec_config_power_button_flags */ + uint8_t flags; +}; /*****************************************************************************/ /* USB charging control commands */ /* Set USB port charging mode */ -#define EC_CMD_USB_CHARGE_SET_MODE 0x30 +#define EC_CMD_USB_CHARGE_SET_MODE 0x0030 -struct ec_params_usb_charge_set_mode { +struct __ec_align1 ec_params_usb_charge_set_mode { uint8_t usb_port_id; uint8_t mode; -} __packed; +}; /*****************************************************************************/ /* Persistent storage for host */ @@ -2118,55 +2441,58 @@ struct ec_params_usb_charge_set_mode { #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 { +struct __ec_align4 ec_response_pstore_info { /* Persistent storage size, in bytes */ uint32_t pstore_size; /* Access size; read/write offset and size must be a multiple of this */ uint32_t access_size; -} __packed; +}; /* * 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 { +struct __ec_align4 ec_params_pstore_read { uint32_t offset; /* Byte offset to read */ uint32_t size; /* Size to read in bytes */ -} __packed; +}; /* Write persistent storage */ -#define EC_CMD_PSTORE_WRITE 0x42 +#define EC_CMD_PSTORE_WRITE 0x0042 -struct ec_params_pstore_write { +struct __ec_align4 ec_params_pstore_write { uint32_t offset; /* Byte offset to write */ uint32_t size; /* Size to write in bytes */ uint8_t data[EC_PSTORE_SIZE_MAX]; -} __packed; +}; /*****************************************************************************/ /* Real-time clock */ /* RTC params and response structures */ -struct ec_params_rtc { +struct __ec_align4 ec_params_rtc { uint32_t time; -} __packed; +}; -struct ec_response_rtc { +struct __ec_align4 ec_response_rtc { uint32_t time; -} __packed; +}; /* 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 time param to SET_ALARM to clear the current alarm */ +#define EC_RTC_ALARM_CLEAR 0 /*****************************************************************************/ /* Port80 log access */ @@ -2175,40 +2501,40 @@ 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, EC_PORT80_READ_BUFFER, }; -struct ec_params_port80_read { +struct __ec_todo_packed ec_params_port80_read { uint16_t subcmd; union { - struct { + struct __ec_todo_unpacked { uint32_t offset; uint32_t num_entries; } read_buffer; }; -} __packed; +}; -struct ec_response_port80_read { +struct __ec_todo_packed 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; +}; -struct ec_response_port80_last_boot { +struct __ec_align2 ec_response_port80_last_boot { uint16_t code; -} __packed; +}; /*****************************************************************************/ /* Temporary secure storage for host verified boot use */ @@ -2220,39 +2546,38 @@ struct ec_response_port80_last_boot { #define EC_VSTORE_SLOT_MAX 32 /* Get persistent storage info */ -#define EC_CMD_VSTORE_INFO 0x49 - -struct ec_response_vstore_info { +#define EC_CMD_VSTORE_INFO 0x0049 +struct __ec_align_size1 ec_response_vstore_info { /* Indicates which slots are locked */ uint32_t slot_locked; /* Total number of slots available */ uint8_t slot_count; -} __packed; +}; /* * Read temporary secure storage * * Response is EC_VSTORE_SLOT_SIZE bytes of data. */ -#define EC_CMD_VSTORE_READ 0x4a +#define EC_CMD_VSTORE_READ 0x004A -struct ec_params_vstore_read { +struct __ec_align1 ec_params_vstore_read { uint8_t slot; /* Slot to read from */ -} __packed; +}; -struct ec_response_vstore_read { +struct __ec_align1 ec_response_vstore_read { uint8_t data[EC_VSTORE_SLOT_SIZE]; -} __packed; +}; /* * Write temporary secure storage and lock it. */ -#define EC_CMD_VSTORE_WRITE 0x4b +#define EC_CMD_VSTORE_WRITE 0x004B -struct ec_params_vstore_write { +struct __ec_align1 ec_params_vstore_write { uint8_t slot; /* Slot to write to */ uint8_t data[EC_VSTORE_SLOT_SIZE]; -} __packed; +}; /*****************************************************************************/ /* Thermal engine commands. Note that there are two implementations. We'll @@ -2261,29 +2586,29 @@ struct ec_params_vstore_write { * 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. */ /* Version 0 - set */ -struct ec_params_thermal_set_threshold { +struct __ec_align2 ec_params_thermal_set_threshold { uint8_t sensor_type; uint8_t threshold_id; uint16_t value; -} __packed; +}; /* Version 0 - get */ -struct ec_params_thermal_get_threshold { +struct __ec_align1 ec_params_thermal_get_threshold { uint8_t sensor_type; uint8_t threshold_id; -} __packed; +}; -struct ec_response_thermal_get_threshold { +struct __ec_align2 ec_response_thermal_get_threshold { uint16_t value; -} __packed; +}; /* The version 1 structs are visible. */ @@ -2295,42 +2620,46 @@ 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. + * + * Note that this structure is a sub-structure of + * ec_params_thermal_set_threshold_v1, but maintains its alignment there. */ -struct ec_thermal_config { +struct __ec_align4 ec_thermal_config { uint32_t temp_host[EC_TEMP_THRESH_COUNT]; /* levels of hotness */ uint32_t temp_fan_off; /* no active cooling needed */ uint32_t temp_fan_max; /* max active cooling needed */ -} __packed; +}; /* Version 1 - get config for one sensor. */ -struct ec_params_thermal_get_threshold_v1 { +struct __ec_align4 ec_params_thermal_get_threshold_v1 { uint32_t sensor_num; -} __packed; +}; /* This returns a struct ec_thermal_config */ /* Version 1 - set config for one sensor. * Use read-modify-write for best results! */ -struct ec_params_thermal_set_threshold_v1 { +struct __ec_align4 ec_params_thermal_set_threshold_v1 { uint32_t sensor_num; struct ec_thermal_config cfg; -} __packed; +}; /* This returns no data */ /****************************************************************************/ /* Toggle automatic fan control */ -#define EC_CMD_THERMAL_AUTO_FAN_CTRL 0x52 +#define EC_CMD_THERMAL_AUTO_FAN_CTRL 0x0052 /* Version 1 of input params */ -struct ec_params_auto_fan_ctrl_v1 { +struct __ec_align1 ec_params_auto_fan_ctrl_v1 { uint8_t fan_idx; -} __packed; +}; /* Get/Set TMP006 calibration data */ -#define EC_CMD_TMP006_GET_CALIBRATION 0x53 -#define EC_CMD_TMP006_SET_CALIBRATION 0x54 +#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 @@ -2342,52 +2671,52 @@ struct ec_params_auto_fan_ctrl_v1 { */ /* This is the same struct for both v0 and v1. */ -struct ec_params_tmp006_get_calibration { +struct __ec_align1 ec_params_tmp006_get_calibration { uint8_t index; -} __packed; +}; /* Version 0 */ -struct ec_response_tmp006_get_calibration_v0 { +struct __ec_align4 ec_response_tmp006_get_calibration_v0 { float s0; float b0; float b1; float b2; -} __packed; +}; -struct ec_params_tmp006_set_calibration_v0 { +struct __ec_align4 ec_params_tmp006_set_calibration_v0 { uint8_t index; uint8_t reserved[3]; float s0; float b0; float b1; float b2; -} __packed; +}; /* Version 1 */ -struct ec_response_tmp006_get_calibration_v1 { +struct __ec_align4 ec_response_tmp006_get_calibration_v1 { uint8_t algorithm; uint8_t num_params; uint8_t reserved[2]; float val[0]; -} __packed; +}; -struct ec_params_tmp006_set_calibration_v1 { +struct __ec_align4 ec_params_tmp006_set_calibration_v1 { uint8_t index; uint8_t algorithm; uint8_t num_params; uint8_t reserved; float val[0]; -} __packed; +}; /* Read raw TMP006 data */ -#define EC_CMD_TMP006_GET_RAW 0x55 +#define EC_CMD_TMP006_GET_RAW 0x0055 -struct ec_params_tmp006_get_raw { +struct __ec_align1 ec_params_tmp006_get_raw { uint8_t index; -} __packed; +}; -struct ec_response_tmp006_get_raw { +struct __ec_align4 ec_response_tmp006_get_raw { int32_t t; /* In 1/100 K */ int32_t v; /* In nV */ }; @@ -2400,30 +2729,81 @@ struct ec_response_tmp006_get_raw { * * Returns raw data for keyboard cols; see ec_response_mkbp_info.cols for * expected response size. + * + * NOTE: This has been superseded by EC_CMD_MKBP_GET_NEXT_EVENT. If you wish + * to obtain the instantaneous state, use EC_CMD_MKBP_INFO with the type + * EC_MKBP_INFO_CURRENT and event EC_MKBP_EVENT_KEY_MATRIX. */ -#define EC_CMD_MKBP_STATE 0x60 +#define EC_CMD_MKBP_STATE 0x0060 -/* Provide information about the matrix : number of rows and columns */ -#define EC_CMD_MKBP_INFO 0x61 +/* + * Provide information about various MKBP things. See enum ec_mkbp_info_type. + */ +#define EC_CMD_MKBP_INFO 0x0061 -struct ec_response_mkbp_info { +struct __ec_align_size1 ec_response_mkbp_info { uint32_t rows; uint32_t cols; - uint8_t switches; -} __packed; + /* Formerly "switches", which was 0. */ + uint8_t reserved; +}; + +struct __ec_align1 ec_params_mkbp_info { + uint8_t info_type; + uint8_t event_type; +}; + +enum ec_mkbp_info_type { + /* + * Info about the keyboard matrix: number of rows and columns. + * + * Returns struct ec_response_mkbp_info. + */ + EC_MKBP_INFO_KBD = 0, + + /* + * For buttons and switches, info about which specifically are + * supported. event_type must be set to one of the values in enum + * ec_mkbp_event. + * + * For EC_MKBP_EVENT_BUTTON and EC_MKBP_EVENT_SWITCH, returns a 4 byte + * bitmask indicating which buttons or switches are present. See the + * bit inidices below. + */ + EC_MKBP_INFO_SUPPORTED = 1, + + /* + * Instantaneous state of buttons and switches. + * + * event_type must be set to one of the values in enum ec_mkbp_event. + * + * For EC_MKBP_EVENT_KEY_MATRIX, returns uint8_t key_matrix[13] + * indicating the current state of the keyboard matrix. + * + * For EC_MKBP_EVENT_HOST_EVENT, return uint32_t host_event, the raw + * event state. + * + * For EC_MKBP_EVENT_BUTTON, returns uint32_t buttons, indicating the + * state of supported buttons. + * + * For EC_MKBP_EVENT_SWITCH, returns uint32_t switches, indicating the + * state of supported switches. + */ + EC_MKBP_INFO_CURRENT = 2, +}; /* Simulate key press */ -#define EC_CMD_MKBP_SIMULATE_KEY 0x62 +#define EC_CMD_MKBP_SIMULATE_KEY 0x0062 -struct ec_params_mkbp_simulate_key { +struct __ec_align1 ec_params_mkbp_simulate_key { uint8_t col; uint8_t row; uint8_t pressed; -} __packed; +}; /* 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 { @@ -2440,8 +2820,13 @@ enum mkbp_config_valid { EC_MKBP_VALID_FIFO_MAX_DEPTH = 1 << 7, }; -/* Configuration for our key scanning algorithm */ -struct ec_mkbp_config { +/* + * Configuration for our key scanning algorithm. + * + * Note that this is used as a sub-structure of + * ec_{params/response}_mkbp_get_config. + */ +struct __ec_align_size1 ec_mkbp_config { uint32_t valid_mask; /* valid fields */ uint8_t flags; /* some flags (enum mkbp_config_flags) */ uint8_t valid_flags; /* which flags are valid */ @@ -2460,18 +2845,18 @@ 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; +}; -struct ec_params_mkbp_set_config { +struct __ec_align_size1 ec_params_mkbp_set_config { struct ec_mkbp_config config; -} __packed; +}; -struct ec_response_mkbp_get_config { +struct __ec_align_size1 ec_response_mkbp_get_config { struct ec_mkbp_config config; -} __packed; +}; /* 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 */ @@ -2489,20 +2874,20 @@ enum ec_collect_flags { EC_KEYSCAN_SEQ_FLAG_DONE = 1 << 0, }; -struct ec_collect_item { +struct __ec_align1 ec_collect_item { uint8_t flags; /* some flags (enum ec_collect_flags) */ }; -struct ec_params_keyscan_seq_ctrl { +struct __ec_todo_packed 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. @@ -2510,29 +2895,29 @@ 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; +}; -struct ec_result_keyscan_seq_ctrl { +struct __ec_todo_packed 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; +}; /* * Get the next pending MKBP event. * * Returns EC_RES_UNAVAILABLE if there is no event pending. */ -#define EC_CMD_GET_NEXT_EVENT 0x67 +#define EC_CMD_GET_NEXT_EVENT 0x0067 enum ec_mkbp_event { /* Keyboard matrix changed. The event data is the new matrix state. */ @@ -2544,50 +2929,89 @@ enum ec_mkbp_event { /* New Sensor FIFO data. The event data is fifo_info structure. */ EC_MKBP_EVENT_SENSOR_FIFO = 2, + /* The state of the non-matrixed buttons have changed. */ + EC_MKBP_EVENT_BUTTON = 3, + + /* The state of the switches have changed. */ + EC_MKBP_EVENT_SWITCH = 4, + + /* New Fingerprint sensor event, the event data is fp_events bitmap. */ + EC_MKBP_EVENT_FINGERPRINT = 5, + + /* + * Sysrq event: send emulated sysrq. The event data is sysrq, + * corresponding to the key to be pressed. + */ + EC_MKBP_EVENT_SYSRQ = 6, + /* Number of MKBP events */ EC_MKBP_EVENT_COUNT, }; -union ec_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; - struct { + struct __ec_todo_unpacked { /* For aligning the fifo_info */ - uint8_t rsvd[3]; + uint8_t reserved[3]; struct ec_response_motion_sense_fifo_info info; - } sensor_fifo; -} __packed; + } sensor_fifo; -struct ec_response_get_next_event { + uint32_t buttons; + + uint32_t switches; + + uint32_t fp_events; + + uint32_t sysrq; +}; + +struct __ec_align1 ec_response_get_next_event { uint8_t event_type; /* Followed by event data if any */ union ec_response_get_next_data data; -} __packed; +}; + +/* 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 + +/* Switches */ +#define EC_MKBP_LID_OPEN 0 +#define EC_MKBP_TABLET_MODE 1 /* Run keyboard factory test scanning */ -#define EC_CMD_KEYBOARD_FACTORY_TEST 0x68 +#define EC_CMD_KEYBOARD_FACTORY_TEST 0x0068 -struct ec_response_keyboard_factory_test { +struct __ec_align2 ec_response_keyboard_factory_test { uint16_t shorted; /* Keyboard pins are shorted */ -} __packed; +}; + +/* Fingerprint events in 'fp_events' for EC_MKBP_EVENT_FINGERPRINT */ +#define EC_MKBP_FP_RAW_EVENT(fp_events) ((fp_events) & 0x00FFFFFF) +#define EC_MKBP_FP_FINGER_DOWN (1 << 29) +#define EC_MKBP_FP_FINGER_UP (1 << 30) +#define EC_MKBP_FP_IMAGE_READY (1 << 31) /*****************************************************************************/ /* Temperature sensor commands */ /* Read temperature sensor info */ -#define EC_CMD_TEMP_SENSOR_GET_INFO 0x70 +#define EC_CMD_TEMP_SENSOR_GET_INFO 0x0070 -struct ec_params_temp_sensor_get_info { +struct __ec_align1 ec_params_temp_sensor_get_info { uint8_t id; -} __packed; +}; -struct ec_response_temp_sensor_get_info { +struct __ec_align1 ec_response_temp_sensor_get_info { char sensor_name[32]; uint8_t sensor_type; -} __packed; +}; /*****************************************************************************/ @@ -2604,48 +3028,48 @@ struct ec_response_temp_sensor_get_info { * Host event mask params and response structures, shared by all of the host * event commands below. */ -struct ec_params_host_event_mask { +struct __ec_align4 ec_params_host_event_mask { uint32_t mask; -} __packed; +}; -struct ec_response_host_event_mask { +struct __ec_align4 ec_response_host_event_mask { uint32_t mask; -} __packed; +}; /* 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 /*****************************************************************************/ /* 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 { +struct __ec_align1 ec_params_switch_enable_backlight { uint8_t enabled; -} __packed; +}; /* 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 { +struct __ec_align1 ec_params_switch_enable_wireless_v0 { uint8_t enabled; -} __packed; +}; /* Version 1 params */ -struct ec_params_switch_enable_wireless_v1 { +struct __ec_align1 ec_params_switch_enable_wireless_v1 { /* Flags to enable now */ uint8_t now_flags; @@ -2661,64 +3085,65 @@ struct ec_params_switch_enable_wireless_v1 { /* Which flags to copy from suspend_flags */ uint8_t suspend_mask; -} __packed; +}; /* Version 1 response */ -struct ec_response_switch_enable_wireless_v1 { +struct __ec_align1 ec_response_switch_enable_wireless_v1 { /* Flags to enable now */ uint8_t now_flags; /* Flags to leave enabled in S3 */ uint8_t suspend_flags; -} __packed; +}; /*****************************************************************************/ /* 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 { +struct __ec_align1 ec_params_gpio_set { char name[32]; uint8_t val; -} __packed; +}; /* 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 { +struct __ec_align1 ec_params_gpio_get { char name[32]; -} __packed; -struct ec_response_gpio_get { +}; + +struct __ec_align1 ec_response_gpio_get { uint8_t val; -} __packed; +}; /* Version 1 of input params and response */ -struct ec_params_gpio_get_v1 { +struct __ec_align1 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; +}; -struct ec_response_gpio_get_v1 { +struct __ec_todo_packed 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; +}; enum gpio_get_subcmd { EC_GPIO_GET_BY_NAME = 0, @@ -2730,33 +3155,36 @@ 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_PASSTHRU 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 { +struct __ec_align_size1 ec_params_i2c_read { uint16_t addr; /* 8-bit address (7-bit shifted << 1) */ uint8_t read_size; /* Either 8 or 16. */ uint8_t port; uint8_t offset; -} __packed; -struct ec_response_i2c_read { +}; + +struct __ec_align2 ec_response_i2c_read { uint16_t data; -} __packed; +}; /* Write I2C bus */ -#define EC_CMD_I2C_WRITE 0x95 +#define EC_CMD_I2C_WRITE 0x0095 -struct ec_params_i2c_write { +struct __ec_align_size1 ec_params_i2c_write { uint16_t data; uint16_t addr; /* 8-bit address (7-bit shifted << 1) */ uint8_t write_size; /* Either 8 or 16. */ uint8_t port; uint8_t offset; -} __packed; +}; /*****************************************************************************/ /* Charge state commands. Only available when flash write protect unlocked. */ @@ -2764,7 +3192,7 @@ 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 { @@ -2773,15 +3201,15 @@ enum ec_charge_control_mode { CHARGE_CONTROL_DISCHARGE, }; -struct ec_params_charge_control { +struct __ec_align4 ec_params_charge_control { uint32_t mode; /* enum charge_control_mode */ -} __packed; +}; /*****************************************************************************/ /* 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 @@ -2795,16 +3223,16 @@ 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, CONSOLE_READ_RECENT }; -struct ec_params_console_read_v1 { +struct __ec_align1 ec_params_console_read_v1 { uint8_t subcmd; /* enum ec_console_read_subcmd */ -} __packed; +}; /*****************************************************************************/ @@ -2815,13 +3243,13 @@ 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 0x99 +#define EC_CMD_BATTERY_CUT_OFF 0x0099 #define EC_BATTERY_CUTOFF_FLAG_AT_SHUTDOWN (1 << 0) -struct ec_params_battery_cutoff { +struct __ec_align1 ec_params_battery_cutoff { uint8_t flags; -} __packed; +}; /*****************************************************************************/ /* USB port mux control. */ @@ -2829,11 +3257,11 @@ 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 { +struct __ec_align1 ec_params_usb_mux { uint8_t mux; -} __packed; +}; /*****************************************************************************/ /* LDOs / FETs control. */ @@ -2846,25 +3274,25 @@ 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 { +struct __ec_align1 ec_params_ldo_set { uint8_t index; uint8_t state; -} __packed; +}; /* * Get LDO state. */ -#define EC_CMD_LDO_GET 0x9c +#define EC_CMD_LDO_GET 0x009C -struct ec_params_ldo_get { +struct __ec_align1 ec_params_ldo_get { uint8_t index; -} __packed; +}; -struct ec_response_ldo_get { +struct __ec_align1 ec_response_ldo_get { uint8_t state; -} __packed; +}; /*****************************************************************************/ /* Power info. */ @@ -2872,20 +3300,20 @@ 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 { +struct __ec_align4 ec_response_power_info { uint32_t usb_dev_type; uint16_t voltage_ac; uint16_t voltage_system; uint16_t current_system; uint16_t usb_current_limit; -} __packed; +}; /*****************************************************************************/ /* 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) @@ -2899,28 +3327,28 @@ struct ec_response_power_info { /* Any error */ #define EC_I2C_STATUS_ERROR (EC_I2C_STATUS_NAK | EC_I2C_STATUS_TIMEOUT) -struct ec_params_i2c_passthru_msg { +struct __ec_align2 ec_params_i2c_passthru_msg { uint16_t addr_flags; /* I2C slave address (7 or 10 bits) and flags */ uint16_t len; /* Number of bytes to read or write */ -} __packed; +}; -struct ec_params_i2c_passthru { +struct __ec_align2 ec_params_i2c_passthru { uint8_t port; /* I2C port number */ uint8_t num_msgs; /* Number of messages */ struct ec_params_i2c_passthru_msg msg[]; /* Data to write for all messages is concatenated here */ -} __packed; +}; -struct ec_response_i2c_passthru { +struct __ec_align1 ec_response_i2c_passthru { uint8_t i2c_status; /* Status flags (EC_I2C_STATUS_...) */ uint8_t num_msgs; /* Number of messages processed */ uint8_t data[]; /* Data read by messages concatenated here */ -} __packed; +}; /*****************************************************************************/ /* 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 */ @@ -2961,7 +3389,7 @@ struct ec_response_i2c_passthru { */ #define EC_HANG_STOP_NOW (1 << 31) -struct ec_params_hang_detect { +struct __ec_align4 ec_params_hang_detect { /* Flags; see EC_HANG_* */ uint32_t flags; @@ -2970,7 +3398,7 @@ struct ec_params_hang_detect { /* Timeout in msec before generating warm reboot, if enabled */ uint16_t warm_reboot_timeout_msec; -} __packed; +}; /*****************************************************************************/ /* Commands for battery charging */ @@ -2979,7 +3407,7 @@ 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 { @@ -3014,27 +3442,27 @@ enum charge_state_params { /* Other custom param ranges go here... */ }; -struct ec_params_charge_state { +struct __ec_todo_packed ec_params_charge_state { uint8_t cmd; /* enum charge_state_command */ union { - struct { + struct __ec_align1 { /* no args */ } get_state; - 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; +}; -struct ec_response_charge_state { +struct __ec_align4 ec_response_charge_state { union { - struct { + struct __ec_align4 { int ac; int chg_voltage; int chg_current; @@ -3042,35 +3470,35 @@ struct ec_response_charge_state { int batt_state_of_charge; } get_state; - struct { + struct __ec_align4 { uint32_t value; } get_param; - struct { + struct __ec_align4 { /* no return values */ } set_param; }; -} __packed; +}; /* * Set maximum battery charging current. */ -#define EC_CMD_CHARGE_CURRENT_LIMIT 0xa1 +#define EC_CMD_CHARGE_CURRENT_LIMIT 0x00A1 -struct ec_params_current_limit { +struct __ec_align4 ec_params_current_limit { uint32_t limit; /* in mA */ -} __packed; +}; /* * Set maximum external voltage / current. */ -#define EC_CMD_EXTERNAL_POWER_LIMIT 0xa2 +#define EC_CMD_EXTERNAL_POWER_LIMIT 0x00A2 /* Command v0 is used only on Spring and is obsolete + unsupported */ -struct ec_params_external_power_limit_v1 { +struct __ec_align2 ec_params_external_power_limit_v1 { uint16_t current_lim; /* in mA, or EC_POWER_LIMIT_NONE to clear limit */ uint16_t voltage_lim; /* in mV, or EC_POWER_LIMIT_NONE to clear limit */ -} __packed; +}; #define EC_POWER_LIMIT_NONE 0xffff @@ -3078,9 +3506,9 @@ struct ec_params_external_power_limit_v1 { /* Hibernate/Deep Sleep Commands */ /* Set the delay before going into hibernation. */ -#define EC_CMD_HIBERNATION_DELAY 0xa8 +#define EC_CMD_HIBERNATION_DELAY 0x00A8 -struct ec_params_hibernation_delay { +struct __ec_align4 ec_params_hibernation_delay { /* * Seconds to wait in G3 before hibernate. Pass in 0 to read the * current settings without changing them. @@ -3088,7 +3516,7 @@ struct ec_params_hibernation_delay { uint32_t seconds; }; -struct ec_response_hibernation_delay { +struct __ec_align4 ec_response_hibernation_delay { /* * The current time in seconds in which the system has been in the G3 * state. This value is reset if the EC transitions out of G3. @@ -3108,42 +3536,84 @@ struct ec_response_hibernation_delay { uint32_t hibernate_delay; }; +/* Inform the EC when entering a sleep state */ +#define EC_CMD_HOST_SLEEP_EVENT 0x00A9 + +enum host_sleep_event { + HOST_SLEEP_EVENT_S3_SUSPEND = 1, + HOST_SLEEP_EVENT_S3_RESUME = 2, + HOST_SLEEP_EVENT_S0IX_SUSPEND = 3, + HOST_SLEEP_EVENT_S0IX_RESUME = 4 +}; + +struct __ec_align1 ec_params_host_sleep_event { + uint8_t sleep_event; +}; + +/*****************************************************************************/ +/* Device events */ +#define EC_CMD_DEVICE_EVENT 0x00AA + +enum ec_device_event { + EC_DEVICE_EVENT_TRACKPAD, + EC_DEVICE_EVENT_DSP, + EC_DEVICE_EVENT_WIFI, +}; + +enum ec_device_event_param { + /* Get and clear pending device events */ + EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS, + /* Get device event mask */ + EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS, + /* Set device event mask */ + EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS, +}; + +#define EC_DEVICE_EVENT_MASK(event_code) (1UL << (event_code % 32)) + +struct __ec_align_size1 ec_params_device_event { + uint32_t event_mask; + uint8_t param; +}; + +struct __ec_align4 ec_response_device_event { + uint32_t event_mask; +}; /*****************************************************************************/ /* Smart battery pass-through */ /* Get / Set 16-bit smart battery registers */ -#define EC_CMD_SB_READ_WORD 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 { +struct __ec_align1 ec_params_sb_rd { uint8_t reg; -} __packed; +}; -struct ec_response_sb_rd_word { +struct __ec_align2 ec_response_sb_rd_word { uint16_t value; -} __packed; +}; -struct ec_params_sb_wr_word { +struct __ec_align1 ec_params_sb_wr_word { uint8_t reg; uint16_t value; -} __packed; +}; -struct ec_response_sb_rd_block { +struct __ec_align1 ec_response_sb_rd_block { uint8_t data[32]; -} __packed; +}; -struct ec_params_sb_wr_block { +struct __ec_align1 ec_params_sb_wr_block { uint8_t reg; uint16_t data[32]; -} __packed; - +}; /*****************************************************************************/ /* Battery vendor parameters @@ -3154,28 +3624,28 @@ 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, BATTERY_VENDOR_PARAM_MODE_SET, }; -struct ec_params_battery_vendor_param { +struct __ec_align_size1 ec_params_battery_vendor_param { uint32_t param; uint32_t value; uint8_t mode; -} __packed; +}; -struct ec_response_battery_vendor_param { +struct __ec_align4 ec_response_battery_vendor_param { uint32_t value; -} __packed; +}; /*****************************************************************************/ /* * Smart Battery Firmware Update Commands */ -#define EC_CMD_SB_FW_UPDATE 0xb5 +#define EC_CMD_SB_FW_UPDATE 0x00B5 enum ec_sb_fw_update_subcmd { EC_SB_FW_UPDATE_PREPARE = 0x0, @@ -3192,12 +3662,12 @@ enum ec_sb_fw_update_subcmd { #define SB_FW_UPDATE_CMD_STATUS_SIZE 2 #define SB_FW_UPDATE_CMD_INFO_SIZE 8 -struct ec_sb_fw_update_header { +struct __ec_align4 ec_sb_fw_update_header { uint16_t subcmd; /* enum ec_sb_fw_update_subcmd */ uint16_t fw_id; /* firmware id */ -} __packed; +}; -struct ec_params_sb_fw_update { +struct __ec_align4 ec_params_sb_fw_update { struct ec_sb_fw_update_header hdr; union { /* EC_SB_FW_UPDATE_PREPARE = 0x0 */ @@ -3206,41 +3676,41 @@ struct ec_params_sb_fw_update { /* EC_SB_FW_UPDATE_END = 0x4 */ /* EC_SB_FW_UPDATE_STATUS = 0x5 */ /* EC_SB_FW_UPDATE_PROTECT = 0x6 */ - struct { + struct __ec_align4 { /* no args */ } dummy; /* EC_SB_FW_UPDATE_WRITE = 0x3 */ - struct { + struct __ec_align4 { uint8_t data[SB_FW_UPDATE_CMD_WRITE_BLOCK_SIZE]; } write; }; -} __packed; +}; -struct ec_response_sb_fw_update { +struct __ec_align1 ec_response_sb_fw_update { union { /* EC_SB_FW_UPDATE_INFO = 0x1 */ - struct { + struct __ec_align1 { uint8_t data[SB_FW_UPDATE_CMD_INFO_SIZE]; } info; /* EC_SB_FW_UPDATE_STATUS = 0x5 */ - struct { + struct __ec_align1 { uint8_t data[SB_FW_UPDATE_CMD_STATUS_SIZE]; } status; }; -} __packed; +}; /* * Entering Verified Boot Mode Command * Default mode is VBOOT_MODE_NORMAL if EC did not receive this command. * Valid Modes are: normal, developer, and recovery. */ -#define EC_CMD_ENTERING_MODE 0xb6 +#define EC_CMD_ENTERING_MODE 0x00B6 -struct ec_params_entering_mode { +struct __ec_align4 ec_params_entering_mode { int vboot_mode; -} __packed; +}; #define VBOOT_MODE_NORMAL 0 #define VBOOT_MODE_DEVELOPER 1 @@ -3251,21 +3721,21 @@ struct ec_params_entering_mode { * I2C passthru protection command: Protects I2C tunnels against access on * certain addresses (board-specific). */ -#define EC_CMD_I2C_PASSTHRU_PROTECT 0xb7 +#define EC_CMD_I2C_PASSTHRU_PROTECT 0x00B7 enum ec_i2c_passthru_protect_subcmd { EC_CMD_I2C_PASSTHRU_PROTECT_STATUS = 0x0, EC_CMD_I2C_PASSTHRU_PROTECT_ENABLE = 0x1, }; -struct ec_params_i2c_passthru_protect { +struct __ec_align1 ec_params_i2c_passthru_protect { uint8_t subcmd; uint8_t port; /* I2C port number */ -} __packed; +}; -struct ec_response_i2c_passthru_protect { +struct __ec_align1 ec_response_i2c_passthru_protect { uint8_t status; /* Status flags (0: unlocked, 1: locked) */ -} __packed; +}; /*****************************************************************************/ /* System commands */ @@ -3274,7 +3744,7 @@ struct ec_response_i2c_passthru_protect { * 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 0xd2 +#define EC_CMD_REBOOT_EC 0x00D2 /* Command */ enum ec_reboot_cmd { @@ -3291,10 +3761,10 @@ enum ec_reboot_cmd { #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 { +struct __ec_align1 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. @@ -3302,7 +3772,7 @@ struct ec_params_reboot_ec { * Returns variable-length platform-dependent panic information. See panic.h * for details. */ -#define EC_CMD_GET_PANIC_INFO 0xd3 +#define EC_CMD_GET_PANIC_INFO 0x00D3 /*****************************************************************************/ /* @@ -3321,7 +3791,7 @@ struct ec_params_reboot_ec { * * 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). @@ -3330,7 +3800,7 @@ struct ec_params_reboot_ec { * 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 @@ -3342,7 +3812,7 @@ struct ec_params_reboot_ec { * * The old EC interface must not use commands 0xdc or higher. */ -#define EC_CMD_VERSION0 0xdc +#define EC_CMD_VERSION0 0x00DC /*****************************************************************************/ /* @@ -3352,7 +3822,7 @@ struct ec_params_reboot_ec { */ /* 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 { @@ -3365,11 +3835,11 @@ enum pd_charge_state { /* Status of EC being sent to PD */ #define EC_STATUS_HIBERNATING (1 << 0) -struct ec_params_pd_status { +struct __ec_align1 ec_params_pd_status { uint8_t status; /* EC status */ int8_t batt_soc; /* battery state of charge */ uint8_t charge_state; /* charging state (from enum pd_charge_state) */ -} __packed; +}; /* Status of PD being sent back to EC */ #define PD_STATUS_HOST_EVENT (1 << 0) /* Forward host event to AP */ @@ -3382,26 +3852,26 @@ struct ec_params_pd_status { #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 { +struct __ec_align_size1 ec_response_pd_status { uint32_t curr_lim_ma; /* input current limit */ uint16_t status; /* PD MCU status */ int8_t active_charge_port; /* active charging port */ -} __packed; +}; /* AP to PD MCU host event status command, cleared on read */ -#define EC_CMD_PD_HOST_EVENT_STATUS 0x104 +#define EC_CMD_PD_HOST_EVENT_STATUS 0x0104 /* PD MCU host event status bits */ #define PD_EVENT_UPDATE_DEVICE (1 << 0) #define PD_EVENT_POWER_CHANGE (1 << 1) #define PD_EVENT_IDENTITY_RECEIVED (1 << 2) #define PD_EVENT_DATA_SWAP (1 << 3) -struct ec_response_host_event_status { +struct __ec_align4 ec_response_host_event_status { uint32_t status; /* PD MCU host event status */ -} __packed; +}; /* 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, @@ -3430,12 +3900,12 @@ enum usb_pd_control_swap { USB_PD_CTRL_SWAP_COUNT }; -struct ec_params_usb_pd_control { +struct __ec_align1 ec_params_usb_pd_control { uint8_t port; uint8_t role; uint8_t mux; uint8_t swap; -} __packed; +}; #define PD_CTRL_RESP_ENABLED_COMMS (1 << 0) /* Communication enabled */ #define PD_CTRL_RESP_ENABLED_CONNECTED (1 << 1) /* Device connected */ @@ -3449,32 +3919,32 @@ struct ec_params_usb_pd_control { #define PD_CTRL_RESP_ROLE_USB_COMM (1 << 5) /* Partner USB comm capable */ #define PD_CTRL_RESP_ROLE_EXT_POWERED (1 << 6) /* Partner externally powerd */ -struct ec_response_usb_pd_control { +struct __ec_align1 ec_response_usb_pd_control { uint8_t enabled; uint8_t role; uint8_t polarity; uint8_t state; -} __packed; +}; -struct ec_response_usb_pd_control_v1 { +struct __ec_align1 ec_response_usb_pd_control_v1 { uint8_t enabled; uint8_t role; uint8_t polarity; char state[32]; -} __packed; +}; -#define EC_CMD_USB_PD_PORTS 0x102 +#define EC_CMD_USB_PD_PORTS 0x0102 -struct ec_response_usb_pd_ports { +struct __ec_align1 ec_response_usb_pd_ports { uint8_t num_ports; -} __packed; +}; -#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 { +struct __ec_align1 ec_params_usb_pd_power_info { uint8_t port; -} __packed; +}; enum usb_chg_type { USB_CHG_TYPE_NONE, @@ -3495,24 +3965,24 @@ enum usb_power_roles { USB_PD_PORT_POWER_SINK_NOT_CHARGING, }; -struct usb_chg_measures { +struct __ec_align2 usb_chg_measures { uint16_t voltage_max; uint16_t voltage_now; uint16_t current_max; uint16_t current_lim; -} __packed; +}; -struct ec_response_usb_pd_power_info { +struct __ec_align4 ec_response_usb_pd_power_info { uint8_t role; uint8_t type; uint8_t dualrole; uint8_t reserved1; struct usb_chg_measures meas; uint32_t max_power; -} __packed; +}; /* Write USB-PD device FW */ -#define EC_CMD_USB_PD_FW_UPDATE 0x110 +#define EC_CMD_USB_PD_FW_UPDATE 0x0110 enum usb_pd_fw_update_cmds { USB_PD_FW_REBOOT, @@ -3521,42 +3991,44 @@ enum usb_pd_fw_update_cmds { USB_PD_FW_ERASE_SIG, }; -struct ec_params_usb_pd_fw_update { +struct __ec_align4 ec_params_usb_pd_fw_update { uint16_t dev_id; uint8_t cmd; uint8_t port; uint32_t size; /* Size to write in bytes */ /* Followed by data to write */ -} __packed; +}; /* Write USB-PD Accessory RW_HASH table entry */ -#define EC_CMD_USB_PD_RW_HASH_ENTRY 0x111 +#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 { +struct __ec_align1 ec_params_usb_pd_rw_hash_entry { uint16_t dev_id; uint8_t dev_rw_hash[PD_RW_HASH_SIZE]; - uint8_t reserved; /* For alignment of current_image */ + 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 */ -} __packed; +}; /* Read USB-PD Accessory info */ -#define EC_CMD_USB_PD_DEV_INFO 0x112 +#define EC_CMD_USB_PD_DEV_INFO 0x0112 -struct ec_params_usb_pd_info_request { +struct __ec_align1 ec_params_usb_pd_info_request { uint8_t port; -} __packed; +}; /* Read USB-PD Device discovery info */ -#define EC_CMD_USB_PD_DISCOVERY 0x113 -struct ec_params_usb_pd_discovery_entry { +#define EC_CMD_USB_PD_DISCOVERY 0x0113 +struct __ec_align_size1 ec_params_usb_pd_discovery_entry { uint16_t vid; /* USB-IF VID */ uint16_t pid; /* USB-IF PID */ uint8_t ptype; /* product type (hub,periph,cable,ama) */ -} __packed; +}; /* Override default charge behavior */ -#define EC_CMD_PD_CHARGE_PORT_OVERRIDE 0x114 +#define EC_CMD_PD_CHARGE_PORT_OVERRIDE 0x0114 /* Negative port parameters have special meaning */ enum usb_pd_override_ports { @@ -3565,20 +4037,20 @@ enum usb_pd_override_ports { /* [0, CONFIG_USB_PD_PORT_COUNT): Port# */ }; -struct ec_params_charge_port_override { +struct __ec_align2 ec_params_charge_port_override { int16_t override_port; /* Override port# */ -} __packed; +}; /* Read (and delete) one entry of PD event log */ -#define EC_CMD_PD_GET_LOG_ENTRY 0x115 +#define EC_CMD_PD_GET_LOG_ENTRY 0x0115 -struct ec_response_pd_log { +struct __ec_align4 ec_response_pd_log { uint32_t timestamp; /* relative timestamp in milliseconds */ uint8_t type; /* event type : see PD_EVENT_xx below */ uint8_t size_port; /* [7:5] port number [4:0] payload size in bytes */ uint16_t data; /* type-defined data payload */ uint8_t payload[0]; /* optional additional data payload: 0..16 bytes */ -} __packed; +}; /* The timestamp is the microsecond counter shifted to get about a ms. */ @@ -3641,37 +4113,37 @@ struct ec_response_pd_log { /* * PD_EVENT_VIDEO_CODEC payload is "struct mcdp_info". */ -struct mcdp_version { +struct __ec_align4 mcdp_version { uint8_t major; uint8_t minor; uint16_t build; -} __packed; +}; -struct mcdp_info { +struct __ec_align4 mcdp_info { uint8_t family[2]; uint8_t chipid[2]; struct mcdp_version irom; struct mcdp_version fw; -} __packed; +}; /* 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 0x116 -struct ec_params_usb_pd_get_mode_request { +#define EC_CMD_USB_PD_GET_AMODE 0x0116 +struct __ec_align_size1 ec_params_usb_pd_get_mode_request { uint16_t svid_idx; /* SVID index to get */ uint8_t port; /* port */ -} __packed; +}; -struct ec_params_usb_pd_get_mode_response { +struct __ec_align4 ec_params_usb_pd_get_mode_response { uint16_t svid; /* SVID */ uint16_t opos; /* Object Position */ uint32_t vdo[6]; /* Mode VDOs */ -} __packed; +}; -#define EC_CMD_USB_PD_SET_AMODE 0x117 +#define EC_CMD_USB_PD_SET_AMODE 0x0117 enum pd_mode_cmd { PD_EXIT_MODE = 0, @@ -3680,24 +4152,24 @@ enum pd_mode_cmd { PD_MODE_CMD_COUNT, }; -struct ec_params_usb_pd_set_mode_request { +struct __ec_align4 ec_params_usb_pd_set_mode_request { uint32_t cmd; /* enum pd_mode_cmd */ uint16_t svid; /* SVID to set */ uint8_t opos; /* Object Position */ uint8_t port; /* port */ -} __packed; +}; /* Ask the PD MCU to record a log of a requested type */ -#define EC_CMD_PD_WRITE_LOG_ENTRY 0x118 +#define EC_CMD_PD_WRITE_LOG_ENTRY 0x0118 -struct ec_params_pd_write_log_entry { +struct __ec_align1 ec_params_pd_write_log_entry { uint8_t type; /* event type : see PD_EVENT_xx above */ uint8_t port; /* port#, or 0 for events unrelated to a given port */ -} __packed; +}; /* Control USB-PD chip */ -#define EC_CMD_PD_CONTROL 0x119 +#define EC_CMD_PD_CONTROL 0x0119 enum ec_pd_control_cmd { PD_SUSPEND = 0, /* Suspend the PD chip (EC: stop talking to PD) */ @@ -3706,19 +4178,178 @@ enum ec_pd_control_cmd { PD_CONTROL_DISABLE /* Disable further calls to this command */ }; -struct ec_params_pd_control { +struct __ec_align1 ec_params_pd_control { uint8_t chip; /* chip id (should be 0) */ uint8_t subcmd; -} __packed; +}; -#endif /* !__ACPI__ */ +/* Get info about USB-C SS muxes */ +#define EC_CMD_USB_PD_MUX_INFO 0x011A + +struct __ec_align1 ec_params_usb_pd_mux_info { + uint8_t port; /* USB-C port number */ +}; + +/* Flags representing mux state */ +#define USB_PD_MUX_USB_ENABLED (1 << 0) +#define USB_PD_MUX_DP_ENABLED (1 << 1) +#define USB_PD_MUX_POLARITY_INVERTED (1 << 2) +#define USB_PD_MUX_HPD_IRQ (1 << 3) + +struct __ec_align1 ec_response_usb_pd_mux_info { + uint8_t flags; /* USB_PD_MUX_*-encoded USB mux state */ +}; + +#define EC_CMD_PD_CHIP_INFO 0x011B + +struct __ec_align1 ec_params_pd_chip_info { + uint8_t port; /* USB-C port number */ + uint8_t renew; /* Force renewal */ +}; + +struct __ec_align2 ec_response_pd_chip_info { + uint16_t vendor_id; + uint16_t product_id; + uint16_t device_id; + union { + uint8_t fw_version_string[8]; + uint64_t fw_version_number; + }; +}; + +/* Run RW signature verification and get status */ +#define EC_CMD_RWSIG_CHECK_STATUS 0x011C + +struct __ec_align4 ec_response_rwsig_check_status { + uint32_t status; +}; + +/* For controlling RWSIG task */ +#define EC_CMD_RWSIG_ACTION 0x011D + +enum rwsig_action { + RWSIG_ACTION_ABORT = 0, /* Abort RWSIG and prevent jumping */ + RWSIG_ACTION_CONTINUE = 1, /* Jump to RW immediately */ +}; + +struct __ec_align4 ec_params_rwsig_action { + uint32_t action; +}; + +/*****************************************************************************/ +/* The command range 0x200-0x2FF is reserved for Rotor. */ /*****************************************************************************/ /* - * Blob commands are just opaque chunks of data, sent with proto v3. - * params is struct ec_host_request, response is struct ec_host_response. + * Reserve a range of host commands for the CR51 firmware. */ -#define EC_CMD_BLOB 0x200 +#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_align2 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 */ +}; + +/* Fingerprint sensor configuration command: prototyping ONLY */ +#define EC_CMD_FP_SENSOR_CONFIG 0x0401 + +#define EC_FP_SENSOR_CONFIG_MAX_REGS 16 + +struct __ec_align2 ec_params_fp_sensor_config { + uint8_t count; /* Number of setup registers */ + /* + * the value to send to each of the 'count' setup registers + * is stored in the 'data' array for 'len' bytes just after + * the previous one. + */ + uint8_t len[EC_FP_SENSOR_CONFIG_MAX_REGS]; + uint8_t data[]; +}; + +/* Configure the Fingerprint MCU behavior */ +#define EC_CMD_FP_MODE 0x0402 + +/* Put the sensor in its lowest power mode */ +#define FP_MODE_DEEPSLEEP (1<<0) +/* Wait to see a finger on the sensor */ +#define FP_MODE_FINGER_DOWN (1<<1) +/* Poll until the finger has left the sensor */ +#define FP_MODE_FINGER_UP (1<<2) +/* Capture the current finger image */ +#define FP_MODE_CAPTURE (1<<3) +/* special value: don't change anything just read back current mode */ +#define FP_MODE_DONT_CHANGE (1<<31) + +struct __ec_align4 ec_params_fp_mode { + uint32_t mode; /* as defined by FP_MODE_ constants */ + /* TBD */ +}; + +struct __ec_align4 ec_response_fp_mode { + uint32_t mode; /* as defined by FP_MODE_ constants */ + /* TBD */ +}; + +/* Retrieve Fingerprint sensor information */ +#define EC_CMD_FP_INFO 0x0403 + +struct __ec_align2 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; +}; + +/* Get the last captured finger frame: TODO: will be AES-encrypted */ +#define EC_CMD_FP_FRAME 0x0404 + +struct __ec_align4 ec_params_fp_frame { + uint32_t offset; + uint32_t size; +}; + +/*****************************************************************************/ +/* 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_align4 ec_response_tp_frame_info { + uint32_t n_frames; + uint32_t frame_sizes[0]; +}; + +/* 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_align4 ec_params_tp_frame_get { + uint32_t frame_index; + uint32_t offset; + uint32_t size; +}; /*****************************************************************************/ /* @@ -3728,15 +4359,34 @@ struct ec_params_pd_control { * 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 (EC_CMD_BOARD_SPECIFIC_BASE + 0x000) - * #define EC_CMD_MAGIC_BAR (EC_CMD_BOARD_SPECIFIC_BASE + 0x001) - * #define EC_CMD_MAGIC_HEY (EC_CMD_BOARD_SPECIFIC_BASE + 0x002) + * #define EC_CMD_MAGIC_FOO 0x0000 + * #define EC_CMD_MAGIC_BAR 0x0001 + * #define EC_CMD_MAGIC_HEY 0x0002 + * + * DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_FOO, magic_foo_handler, + * EC_VER_MASK(0); + * + * DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_BAR, magic_bar_handler, + * EC_VER_MASK(0); + * + * DECLARE_PRIVATE_HOST_COMMAND(EC_CMD_MAGIC_HEY, magic_hey_handler, + * EC_VER_MASK(0); */ #define EC_CMD_BOARD_SPECIFIC_BASE 0x3E00 #define EC_CMD_BOARD_SPECIFIC_LAST 0x3FFF +/* + * Given the private host command offset, calculate the true private host + * command value. + */ +#define EC_PRIVATE_HOST_COMMAND_VALUE(command) \ + (EC_CMD_BOARD_SPECIFIC_BASE + (command)) + /*****************************************************************************/ /* * Passthru commands @@ -3775,4 +4425,6 @@ struct ec_params_pd_control { #define EC_LPC_ADDR_OLD_PARAM EC_HOST_CMD_REGION1 #define EC_OLD_PARAM_SIZE EC_HOST_CMD_REGION_SIZE +#endif /* !__ACPI__ */ + #endif /* __CROS_EC_EC_COMMANDS_H */ |