drivers/platform/chrome/cros_ec_trace.c

Source file repositories/reference/linux-study-clean/drivers/platform/chrome/cros_ec_trace.c

File Facts

System
Linux kernel
Corpus path
drivers/platform/chrome/cros_ec_trace.c
Extension
.c
Size
8885 bytes
Lines
226
Domain
Driver Families
Bucket
drivers/platform
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
// Trace events for the ChromeOS Embedded Controller
//
// Copyright 2019 Google LLC.

#define TRACE_SYMBOL(a) {a, #a}

// Generate the list using the following script:
// sed -n 's/^#define \(EC_CMD_[[:alnum:]_]*\)\s.*/\tTRACE_SYMBOL(\1), \\/p' include/linux/platform_data/cros_ec_commands.h
#define EC_CMDS \
	TRACE_SYMBOL(EC_CMD_ACPI_READ), \
	TRACE_SYMBOL(EC_CMD_ACPI_WRITE), \
	TRACE_SYMBOL(EC_CMD_ACPI_BURST_ENABLE), \
	TRACE_SYMBOL(EC_CMD_ACPI_BURST_DISABLE), \
	TRACE_SYMBOL(EC_CMD_ACPI_QUERY_EVENT), \
	TRACE_SYMBOL(EC_CMD_PROTO_VERSION), \
	TRACE_SYMBOL(EC_CMD_HELLO), \
	TRACE_SYMBOL(EC_CMD_GET_VERSION), \
	TRACE_SYMBOL(EC_CMD_READ_TEST), \
	TRACE_SYMBOL(EC_CMD_GET_BUILD_INFO), \
	TRACE_SYMBOL(EC_CMD_GET_CHIP_INFO), \
	TRACE_SYMBOL(EC_CMD_GET_BOARD_VERSION), \
	TRACE_SYMBOL(EC_CMD_READ_MEMMAP), \
	TRACE_SYMBOL(EC_CMD_GET_CMD_VERSIONS), \
	TRACE_SYMBOL(EC_CMD_GET_COMMS_STATUS), \
	TRACE_SYMBOL(EC_CMD_TEST_PROTOCOL), \
	TRACE_SYMBOL(EC_CMD_GET_PROTOCOL_INFO), \
	TRACE_SYMBOL(EC_CMD_GSV_PAUSE_IN_S5), \
	TRACE_SYMBOL(EC_CMD_GET_FEATURES), \
	TRACE_SYMBOL(EC_CMD_GET_SKU_ID), \
	TRACE_SYMBOL(EC_CMD_SET_SKU_ID), \
	TRACE_SYMBOL(EC_CMD_FLASH_INFO), \
	TRACE_SYMBOL(EC_CMD_FLASH_READ), \
	TRACE_SYMBOL(EC_CMD_FLASH_WRITE), \
	TRACE_SYMBOL(EC_CMD_FLASH_ERASE), \
	TRACE_SYMBOL(EC_CMD_FLASH_PROTECT), \
	TRACE_SYMBOL(EC_CMD_FLASH_REGION_INFO), \
	TRACE_SYMBOL(EC_CMD_VBNV_CONTEXT), \
	TRACE_SYMBOL(EC_CMD_FLASH_SPI_INFO), \
	TRACE_SYMBOL(EC_CMD_FLASH_SELECT), \
	TRACE_SYMBOL(EC_CMD_PWM_GET_FAN_TARGET_RPM), \
	TRACE_SYMBOL(EC_CMD_PWM_SET_FAN_TARGET_RPM), \
	TRACE_SYMBOL(EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT), \
	TRACE_SYMBOL(EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT), \
	TRACE_SYMBOL(EC_CMD_PWM_SET_FAN_DUTY), \
	TRACE_SYMBOL(EC_CMD_PWM_SET_DUTY), \
	TRACE_SYMBOL(EC_CMD_PWM_GET_DUTY), \
	TRACE_SYMBOL(EC_CMD_LIGHTBAR_CMD), \
	TRACE_SYMBOL(EC_CMD_LED_CONTROL), \
	TRACE_SYMBOL(EC_CMD_VBOOT_HASH), \
	TRACE_SYMBOL(EC_CMD_MOTION_SENSE_CMD), \
	TRACE_SYMBOL(EC_CMD_FORCE_LID_OPEN), \
	TRACE_SYMBOL(EC_CMD_CONFIG_POWER_BUTTON), \
	TRACE_SYMBOL(EC_CMD_USB_CHARGE_SET_MODE), \
	TRACE_SYMBOL(EC_CMD_PSTORE_INFO), \
	TRACE_SYMBOL(EC_CMD_PSTORE_READ), \
	TRACE_SYMBOL(EC_CMD_PSTORE_WRITE), \
	TRACE_SYMBOL(EC_CMD_RTC_GET_VALUE), \
	TRACE_SYMBOL(EC_CMD_RTC_GET_ALARM), \
	TRACE_SYMBOL(EC_CMD_RTC_SET_VALUE), \
	TRACE_SYMBOL(EC_CMD_RTC_SET_ALARM), \
	TRACE_SYMBOL(EC_CMD_PORT80_LAST_BOOT), \
	TRACE_SYMBOL(EC_CMD_PORT80_READ), \
	TRACE_SYMBOL(EC_CMD_VSTORE_INFO), \
	TRACE_SYMBOL(EC_CMD_VSTORE_READ), \
	TRACE_SYMBOL(EC_CMD_VSTORE_WRITE), \
	TRACE_SYMBOL(EC_CMD_THERMAL_SET_THRESHOLD), \
	TRACE_SYMBOL(EC_CMD_THERMAL_GET_THRESHOLD), \
	TRACE_SYMBOL(EC_CMD_THERMAL_AUTO_FAN_CTRL), \
	TRACE_SYMBOL(EC_CMD_TMP006_GET_CALIBRATION), \
	TRACE_SYMBOL(EC_CMD_TMP006_SET_CALIBRATION), \
	TRACE_SYMBOL(EC_CMD_TMP006_GET_RAW), \
	TRACE_SYMBOL(EC_CMD_MKBP_STATE), \
	TRACE_SYMBOL(EC_CMD_MKBP_INFO), \
	TRACE_SYMBOL(EC_CMD_MKBP_SIMULATE_KEY), \
	TRACE_SYMBOL(EC_CMD_GET_KEYBOARD_ID), \
	TRACE_SYMBOL(EC_CMD_MKBP_SET_CONFIG), \
	TRACE_SYMBOL(EC_CMD_MKBP_GET_CONFIG), \
	TRACE_SYMBOL(EC_CMD_KEYSCAN_SEQ_CTRL), \
	TRACE_SYMBOL(EC_CMD_GET_NEXT_EVENT), \
	TRACE_SYMBOL(EC_CMD_KEYBOARD_FACTORY_TEST), \
	TRACE_SYMBOL(EC_CMD_TEMP_SENSOR_GET_INFO), \
	TRACE_SYMBOL(EC_CMD_HOST_EVENT_GET_B), \
	TRACE_SYMBOL(EC_CMD_HOST_EVENT_GET_SMI_MASK), \
	TRACE_SYMBOL(EC_CMD_HOST_EVENT_GET_SCI_MASK), \
	TRACE_SYMBOL(EC_CMD_HOST_EVENT_GET_WAKE_MASK), \
	TRACE_SYMBOL(EC_CMD_HOST_EVENT_SET_SMI_MASK), \
	TRACE_SYMBOL(EC_CMD_HOST_EVENT_SET_SCI_MASK), \
	TRACE_SYMBOL(EC_CMD_HOST_EVENT_CLEAR), \
	TRACE_SYMBOL(EC_CMD_HOST_EVENT_SET_WAKE_MASK), \

Annotation

Implementation Notes