#include <stdint.h>
#include <string.h>
#include <assert.h>
#include <console/console.h>
#include <delay.h>
#include <device/device.h>
#include <device/path.h>
#include <elog.h>
#include <rtc.h>
#include <security/vboot/vboot_common.h>
#include <stdlib.h>
#include <timer.h>
#include "ec.h"

Include dependency graph for ec.c:

Macros
#define	INVALID_HCMD 0xFF

#define	UHEPI_SUPPORTED 1

#define	UHEPI_NOT_SUPPORTED 2

#define	USB_SID_DISPLAYPORT 0xff01

Functions
uint8_t	google_chromeec_calc_checksum (const uint8_t *data, int size)

int	google_chromeec_kbbacklight (int percent)

void	google_chromeec_post (uint8_t postcode)

static int	google_chromeec_uhepi_cmd (uint8_t mask, uint8_t action, uint64_t *value)

static int	google_chromeec_handle_non_uhepi_cmd (uint8_t hcmd, uint8_t action, uint64_t *value)

bool	google_chromeec_is_uhepi_supported (void)

static uint64_t	google_chromeec_get_mask (uint8_t type)

static int	google_chromeec_clear_mask (uint8_t type, uint64_t mask)

static int __unused	google_chromeec_set_mask (uint8_t type, uint64_t mask)

static int	google_chromeec_set_s3_lazy_wake_mask (uint64_t mask)

static int	google_chromeec_set_s5_lazy_wake_mask (uint64_t mask)

static int	google_chromeec_set_s0ix_lazy_wake_mask (uint64_t mask)

static void	google_chromeec_set_lazy_wake_masks (uint64_t s5_mask, uint64_t s3_mask, uint64_t s0ix_mask)

uint64_t	google_chromeec_get_events_b (void)

int	google_chromeec_clear_events_b (uint64_t mask)

int	google_chromeec_get_mkbp_event (struct ec_response_get_next_event *event)

uint64_t	google_chromeec_get_device_enabled_events (void)

int	google_chromeec_set_device_enabled_events (uint64_t mask)

uint64_t	google_chromeec_get_device_current_events (void)

static void	google_chromeec_log_device_events (uint64_t mask)

void	google_chromeec_log_events (uint64_t mask)

void	google_chromeec_events_init (const struct google_chromeec_event_info *info, bool is_s3_wakeup)

int	google_chromeec_check_feature (int feature)

int	google_chromeec_get_cmd_versions (int command, uint32_t *pmask)
	Get available versions of the specified command. More...

int	google_chromeec_get_vboot_hash (uint32_t offset, struct ec_response_vboot_hash *resp)
	Return the EC's vboot image hash. More...

int	google_chromeec_start_vboot_hash (enum ec_vboot_hash_type hash_type, uint32_t hash_offset, struct ec_response_vboot_hash *resp)
	Calculate image hash for vboot. More...

int	google_chromeec_flash_protect (uint32_t mask, uint32_t flags, struct ec_response_flash_protect *resp)
	Protect/un-protect EC flash regions. More...

int	google_chromeec_flash_region_info (enum ec_flash_region region, uint32_t offset, uint32_t size)
	Get offset and size of the specified EC flash region. More...

int	google_chromeec_flash_erase (uint32_t offset, uint32_t size)
	Erase a region of EC flash. More...

int	google_chromeec_flash_info (struct ec_response_flash_info *info)
	Return information about the entire flash. More...

int	google_chromeec_flash_write_block (const uint8_t *params_data, uint32_t bufsize)
	Write a block into EC flash. More...

int	google_chromeec_efs_verify (enum ec_flash_region region)
	Verify flash using EFS if available. More...

int	google_chromeec_battery_cutoff (uint8_t flags)
	Command EC to perform battery cutoff. More...

int	google_chromeec_read_limit_power_request (int *limit_power)
	Check if the EC is requesting the system to limit input power. More...

int	google_chromeec_get_protocol_info (struct ec_response_get_protocol_info *resp)
	Get information about the protocol that the EC speaks. More...

int	google_chromeec_set_sku_id (uint32_t skuid)

int	google_chromeec_reboot (int dev_idx, enum ec_reboot_cmd type, uint8_t flags)

static int	cbi_get_uint32 (uint32_t *id, uint32_t tag)

int	google_chromeec_cbi_get_sku_id (uint32_t *id)

int	google_chromeec_cbi_get_fw_config (uint64_t *fw_config)

int	google_chromeec_cbi_get_oem_id (uint32_t *id)
	Get data from Cros Board Info. More...

int	google_chromeec_cbi_get_board_version (uint32_t *version)

int	google_chromeec_cbi_get_ssfc (uint32_t *ssfc)

static int	cbi_get_string (char *buf, size_t bufsize, uint32_t tag)

int	google_chromeec_cbi_get_dram_part_num (char *buf, size_t bufsize)

int	google_chromeec_cbi_get_oem_name (char *buf, size_t bufsize)

int	google_chromeec_get_board_version (uint32_t *version)
	google_chromeec_get_board_version() - Get the board version More...

uint32_t	google_chromeec_get_sku_id (void)

int	google_chromeec_vbnv_context (int is_read, uint8_t *data, int len)

static uint16_t	google_chromeec_get_uptime_info (struct ec_response_uptime_info *resp)

bool	google_chromeec_get_ap_watchdog_flag (void)

int	google_chromeec_i2c_xfer (uint8_t chip, uint8_t addr, int alen, uint8_t *buffer, int len, int is_read)

int	google_chromeec_set_sci_mask (uint64_t mask)

int	google_chromeec_set_smi_mask (uint64_t mask)

int	google_chromeec_set_wake_mask (uint64_t mask)

uint64_t	google_chromeec_get_wake_mask (void)

int	google_chromeec_set_usb_charge_mode (uint8_t port_id, enum usb_charge_mode mode)

int	google_chromeec_get_usb_pd_power_info (enum usb_chg_type type, uint16_t current_max, uint16_t *voltage_max)

int	google_chromeec_override_dedicated_charger_limit (uint16_t current_lim, uint16_t voltage_lim)

int	google_chromeec_set_usb_pd_role (uint8_t port, enum usb_pd_control_role role)

int	google_chromeec_hello (void)
	Performs light verification of the EC<->AP communication channel. More...

static const char *	reset_cause_to_str (uint16_t cause)

static void	google_chromeec_log_uptimeinfo (void)

enum ec_image	google_chromeec_get_current_image (void)

int	google_chromeec_get_num_pd_ports (unsigned int *num_ports)
	Get number of PD-capable USB ports from EC. More...

int	google_chromeec_get_pd_port_caps (int port, struct usb_pd_port_caps *port_caps)
	Get role-based capabilities for a USB-PD port. More...

void	google_chromeec_init (void)

int	google_ec_running_ro (void)

static int	google_chromeec_usb_pd_get_info (int port, bool ufp, bool dbg_acc, bool active_cable, uint8_t dp_mode)

int	google_chromeec_typec_control_enter_dp_mode (int port)

int	google_chromeec_usb_get_pd_mux_info (int port, uint8_t *flags)
	Check for the current mux state in EC. More...

int	google_chromeec_get_usbc_mux_info (int port, struct usbc_mux_info *mux_info)

static int	google_chromeec_pd_get_amode (uint16_t svid)
	Check if EC/TCPM is in an alternate mode or not. More...

int	google_chromeec_wait_for_displayport (long timeout_ms)
	Wait for DisplayPort to be ready. More...

int	google_chromeec_wait_for_dp_hpd (int port, long timeout_ms)

int	google_chromeec_get_keybd_config (struct ec_response_keybd_config *keybd)
	Get the keyboard configuration / layout information from EC. More...

int	google_chromeec_ap_reset (void)
	Send EC command to perform AP reset. More...

int	google_chromeec_regulator_enable (uint32_t index, uint8_t enable)
	Configure the regulator as enabled / disabled. More...

int	google_chromeec_regulator_is_enabled (uint32_t index, uint8_t *enabled)
	Query if the regulator is enabled. More...

int	google_chromeec_regulator_set_voltage (uint32_t index, uint32_t min_mv, uint32_t max_mv)
	Set voltage for the voltage regulator within the range specified. More...

int	google_chromeec_regulator_get_voltage (uint32_t index, uint32_t *voltage_mv)
	Get the currently configured voltage for the voltage regulator. More...

Variables
struct {
uint8_t set_cmd

uint8_t clear_cmd

uint8_t get_cmd

}	event_map []

Macro Definition Documentation

◆ INVALID_HCMD

#define INVALID_HCMD 0xFF

Definition at line 18 of file ec.c.

◆ UHEPI_NOT_SUPPORTED

#define UHEPI_NOT_SUPPORTED 2

◆ UHEPI_SUPPORTED

#define UHEPI_SUPPORTED 1

◆ USB_SID_DISPLAYPORT

#define USB_SID_DISPLAYPORT 0xff01

Definition at line 1659 of file ec.c.

Function Documentation

◆ cbi_get_string()

static int cbi_get_string	(	char *	buf,
		size_t	bufsize,
		uint32_t	tag
	)

static

Definition at line 880 of file ec.c.

References buf, chromeec_command::cmd_code, chromeec_command::cmd_size_out, EC_CMD_GET_CROS_BOARD_INFO, google_chromeec_command(), params, and ec_params_get_cbi::tag.

Referenced by google_chromeec_cbi_get_dram_part_num(), and google_chromeec_cbi_get_oem_name().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ cbi_get_uint32()

static int cbi_get_uint32	(	uint32_t *	id,
		uint32_t	tag
	)

static

Definition at line 814 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_size_out, EC_CMD_GET_CROS_BOARD_INFO, google_chromeec_command(), params, and ec_params_get_cbi::tag.

Referenced by google_chromeec_cbi_get_board_version(), google_chromeec_cbi_get_fw_config(), google_chromeec_cbi_get_oem_id(), google_chromeec_cbi_get_sku_id(), and google_chromeec_cbi_get_ssfc().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_ap_reset()

int google_chromeec_ap_reset ( void )

Send EC command to perform AP reset.

Returns: 0 on success, -1 on error

Definition at line 1736 of file ec.c.

References chromeec_command::cmd_code, EC_CMD_AP_RESET, google_chromeec_command(), and NULL.

Here is the call graph for this function:

◆ google_chromeec_battery_cutoff()

int google_chromeec_battery_cutoff ( uint8_t flags )

Command EC to perform battery cutoff.

Parameters

flags Flags to pass to the EC

Returns: 0 on success, -1 on error

Definition at line 679 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, EC_CMD_BATTERY_CUT_OFF, ec_params_battery_cutoff::flags, google_chromeec_command(), NULL, and params.

Referenced by vb2ex_ec_battery_cutoff().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_calc_checksum()

uint8_t google_chromeec_calc_checksum	(	const uint8_t *	data,
		int	size
	)

Definition at line 66 of file ec.c.

Referenced by ec_fill_checksum(), and ec_verify_checksum().

Here is the caller graph for this function:

◆ google_chromeec_cbi_get_board_version()

int google_chromeec_cbi_get_board_version ( uint32_t * version )

Definition at line 870 of file ec.c.

References cbi_get_uint32(), CBI_TAG_BOARD_VERSION, and version.

Referenced by fpmcu_needs_delay(), update_audio_configuration(), variant_devtree_update(), variant_has_active_low_wifi_power(), variant_override_gpio_table(), variant_uses_v3_6_schematics(), and variant_uses_v3_schematics().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_cbi_get_dram_part_num()

int google_chromeec_cbi_get_dram_part_num	(	char *	buf,
		size_t	bufsize
	)

Definition at line 905 of file ec.c.

References buf, cbi_get_string(), and CBI_TAG_DRAM_PART_NUM.

Referenced by mainboard_save_dimm_info(), and prepare_dmi_17().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_cbi_get_fw_config()

int google_chromeec_cbi_get_fw_config ( uint64_t * fw_config )

Definition at line 844 of file ec.c.

References cbi_get_uint32(), CBI_TAG_FW_CONFIG, config, CONFIG, and google_chromeec_cbi_get_ssfc().

Referenced by board_info_get_fw_config(), fw_config_get(), and get_fw_config().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_cbi_get_oem_id()

int google_chromeec_cbi_get_oem_id ( uint32_t * id )

Get data from Cros Board Info.

Parameters

id/fw_config/buf [OUT] value from CBI.

Returns: 0 on success or negative integer for errors.

Definition at line 865 of file ec.c.

References cbi_get_uint32(), and CBI_TAG_OEM_ID.

Referenced by board_oem_id(), and read_oem_id().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_cbi_get_oem_name()

int google_chromeec_cbi_get_oem_name	(	char *	buf,
		size_t	bufsize
	)

Definition at line 910 of file ec.c.

References buf, cbi_get_string(), and CBI_TAG_OEM_NAME.

Referenced by smbios_mainboard_manufacturer().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_cbi_get_sku_id()

int google_chromeec_cbi_get_sku_id ( uint32_t * id )

Definition at line 839 of file ec.c.

References cbi_get_uint32(), and CBI_TAG_SKU_ID.

Referenced by board_sku_id(), get_wifi_sar_cbfs_filename(), google_chromeec_get_board_sku(), sku_id(), variant_board_sku(), variant_override_gpio_table(), and variant_update_devtree().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_cbi_get_ssfc()

int google_chromeec_cbi_get_ssfc ( uint32_t * ssfc )

Definition at line 875 of file ec.c.

References cbi_get_uint32(), and CBI_TAG_SSFC.

Referenced by get_ssfc(), and google_chromeec_cbi_get_fw_config().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_check_feature()

int google_chromeec_check_feature ( int feature )

Definition at line 443 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_dev_index, EC_CMD_GET_FEATURES, EC_FEATURE_MASK_0, ec_response_get_features::flags, and google_chromeec_command().

Referenced by google_chromeec_is_uhepi_supported(), google_chromeec_log_device_events(), google_chromeec_typec_control_enter_dp_mode(), and google_chromeec_vstore_supported().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_clear_events_b()

int google_chromeec_clear_events_b ( uint64_t mask )

Definition at line 277 of file ec.c.

References BIOS_DEBUG, EC_HOST_EVENT_B, google_chromeec_clear_mask(), mask, and printk.

Referenced by clear_recovery_mode_switch(), and google_chromeec_log_events().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_clear_mask()

static int google_chromeec_clear_mask	(	uint8_t	type,
		uint64_t	mask
	)

static

Definition at line 210 of file ec.c.

References ARRAY_SIZE, assert, clear_cmd, EC_HOST_EVENT_CLEAR, event_map, google_chromeec_handle_non_uhepi_cmd(), google_chromeec_is_uhepi_supported(), google_chromeec_uhepi_cmd(), mask, and type.

Referenced by google_chromeec_clear_events_b().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_efs_verify()

int google_chromeec_efs_verify ( enum ec_flash_region region )

Verify flash using EFS if available.

Parameters

region Which flash region to verify

Returns: 0 on success, -1 on error

Definition at line 653 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, EC_CMD_EFS_VERIFY, EC_RES_INVALID_COMMAND, google_chromeec_command(), NULL, params, and ec_params_efs_verify::region.

Referenced by ec_update_image().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_events_init()

void google_chromeec_events_init	(	const struct google_chromeec_event_info *	info,
		bool	is_s3_wakeup
	)

Definition at line 410 of file ec.c.

References google_chromeec_is_uhepi_supported(), google_chromeec_log_device_events(), google_chromeec_log_events(), google_chromeec_set_lazy_wake_masks(), google_chromeec_set_sci_mask(), google_chromeec_set_smi_mask(), google_chromeec_set_wake_mask(), and info.

Referenced by link_ec_init(), mainboard_ec_init(), and ramstage_ec_init().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_flash_erase()

int google_chromeec_flash_erase	(	uint32_t	region_offset,
		uint32_t	region_size
	)

Erase a region of EC flash.

Parameters

offset	Where to begin erasing
size	Size of area to erase

Returns: 0 on success, -1 on error

Definition at line 587 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, EC_CMD_FLASH_ERASE, google_chromeec_command(), NULL, offset, params, and ec_params_flash_erase::size.

Referenced by ec_update_image().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_flash_info()

int google_chromeec_flash_info ( struct ec_response_flash_info * info )

Return information about the entire flash.

Parameters

info	Pointer to response structure

Returns: 0 on success, -1 on error

Definition at line 609 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_in, chromeec_command::cmd_size_out, chromeec_command::cmd_version, EC_CMD_FLASH_INFO, google_chromeec_command(), info, and NULL.

Referenced by ec_flash_write().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_flash_protect()

int google_chromeec_flash_protect	(	uint32_t	mask,
		uint32_t	flags,
		struct ec_response_flash_protect *	resp
	)

Protect/un-protect EC flash regions.

Parameters

mask	Set/clear the requested bits in 'flags'
flags	Flash protection flags
resp	Pointer to response structure

Returns: 0 on success, -1 on error

Definition at line 536 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_size_out, EC_CMD_FLASH_PROTECT, EC_VER_FLASH_PROTECT, ec_params_flash_protect::flags, google_chromeec_command(), mask, and params.

Referenced by ec_protect_flash().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_flash_region_info()

int google_chromeec_flash_region_info	(	enum ec_flash_region	region,
		uint32_t *	offset,
		uint32_t *	size
	)

Get offset and size of the specified EC flash region.

Parameters

region	Which region of EC flash
offset	Gets filled with region's offset
size	Gets filled with region's size

Returns: 0 on success, -1 on error

Definition at line 559 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_size_out, EC_CMD_FLASH_REGION_INFO, EC_VER_FLASH_REGION_INFO, google_chromeec_command(), offset, ec_response_flash_region_info::offset, params, ec_params_flash_region_info::region, and ec_response_flash_region_info::size.

Referenced by ec_update_image().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_flash_write_block()

int google_chromeec_flash_write_block	(	const uint8_t *	data,
		uint32_t	size
	)

Write a block into EC flash.

Parameters

data	Pointer to data to write to flash, prefixed by a struct ec_params_flash_write
offset	Offset to begin writing data
size	Number of bytes to be written to flash from data

Returns: 0 on success, -1 on error

Definition at line 632 of file ec.c.

References assert, chromeec_command::cmd_code, EC_CMD_FLASH_WRITE, EC_VER_FLASH_WRITE, google_chromeec_command(), and NULL.

Referenced by ec_flash_write().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_ap_watchdog_flag()

bool google_chromeec_get_ap_watchdog_flag ( void )

Definition at line 1008 of file ec.c.

References ARRAY_SIZE, CHIPSET_RESET_AP_WATCHDOG, EC_RESET_FLAG_AP_WATCHDOG, ec_response_uptime_info::ec_reset_flags, google_chromeec_get_uptime_info(), ec_response_uptime_info::recent_ap_reset, ec_response_uptime_info::ap_reset_log_entry::reset_cause, and ec_response_uptime_info::ap_reset_log_entry::reset_time_ms.

Here is the call graph for this function:

◆ google_chromeec_get_board_version()

int google_chromeec_get_board_version ( uint32_t * version )

google_chromeec_get_board_version() - Get the board version

Version: : Out parameter to retrieve the board Version

Return: 0 on success or -1 on failure/error.

This function is used to get the board version information from EC.

Definition at line 915 of file ec.c.

References ec_response_board_version::board_version, chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, EC_CMD_GET_BOARD_VERSION, google_chromeec_command(), and version.

Referenced by board_id(), get_board_id_via_ext_ec(), mainboard_init(), samus_board_version(), variant_board_id(), variant_mem_is_half_populated(), and variant_romstage_entry().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_cmd_versions()

int google_chromeec_get_cmd_versions	(	int	command,
		uint32_t *	pmask
	)

Get available versions of the specified command.

Parameters

command	Command ID
pmask	Pointer to version mask

Returns: 0 on success, -1 on error

Definition at line 464 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_size_out, EC_CMD_GET_CMD_VERSIONS, google_chromeec_command(), params, and ec_response_get_cmd_versions::version_mask.

Referenced by fill_ssdt_typec_device().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_current_image()

enum ec_image google_chromeec_get_current_image ( void )

Definition at line 1313 of file ec.c.

References ec_response_uptime_info::ap_resets_since_ec_boot, ARRAY_SIZE, BIOS_DEBUG, ec_response_uptime_info::ec_reset_flags, google_chromeec_get_uptime_info(), MSECS_PER_SEC, printk, ec_response_uptime_info::recent_ap_reset, ec_response_uptime_info::ap_reset_log_entry::reset_cause, reset_cause_to_str(), ec_response_uptime_info::ap_reset_log_entry::reset_time_ms, and ec_response_uptime_info::time_since_ec_boot_ms.

Referenced by google_ec_running_ro().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_device_current_events()

uint64_t google_chromeec_get_device_current_events ( void )

Definition at line 344 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, EC_CMD_DEVICE_EVENT, EC_DEVICE_EVENT_PARAM_GET_CURRENT_EVENTS, ec_response_device_event::event_mask, google_chromeec_command(), and params.

Referenced by chromeec_smi_device_event_sleep(), and google_chromeec_log_device_events().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_device_enabled_events()

uint64_t google_chromeec_get_device_enabled_events ( void )

Definition at line 300 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, EC_CMD_DEVICE_EVENT, EC_DEVICE_EVENT_PARAM_GET_ENABLED_EVENTS, ec_response_device_event::event_mask, google_chromeec_command(), and params.

Here is the call graph for this function:

◆ google_chromeec_get_events_b()

uint64_t google_chromeec_get_events_b ( void )

Definition at line 272 of file ec.c.

References EC_HOST_EVENT_B, and google_chromeec_get_mask().

Referenced by elog_add_recovery_mode_switch_event(), get_recovery_mode_retrain_switch(), get_recovery_mode_switch(), and google_chromeec_log_events().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_keybd_config()

int google_chromeec_get_keybd_config ( struct ec_response_keybd_config * keybd )

Get the keyboard configuration / layout information from EC.

Parameters

*keybd If successful, this is filled with EC filled parameters

Returns: 0 on success, -1 on error

Definition at line 1718 of file ec.c.

References chromeec_command::cmd_code, EC_CMD_GET_KEYBD_CONFIG, google_chromeec_command(), and NULL.

Referenced by fill_ssdt_ps2_keyboard().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_mask()

static uint64_t google_chromeec_get_mask ( uint8_t type )

static

Definition at line 195 of file ec.c.

References ARRAY_SIZE, assert, EC_HOST_EVENT_GET, event_map, get_cmd, google_chromeec_handle_non_uhepi_cmd(), google_chromeec_is_uhepi_supported(), google_chromeec_uhepi_cmd(), type, and value.

Referenced by google_chromeec_get_events_b(), and google_chromeec_get_wake_mask().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_mkbp_event()

int google_chromeec_get_mkbp_event ( struct ec_response_get_next_event * event )

Definition at line 284 of file ec.c.

References chromeec_command::cmd_code, EC_CMD_GET_NEXT_EVENT, google_chromeec_command(), and NULL.

Referenced by clear_pending_events().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_num_pd_ports()

int google_chromeec_get_num_pd_ports ( unsigned int * num_ports )

Get number of PD-capable USB ports from EC.

Parameters

*num_ports If successful, num_ports is the number of PD-capable USB ports according to the EC.

Returns: 0 on success, -1 on error

Definition at line 1419 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_dev_index, EC_CMD_USB_PD_PORTS, google_chromeec_command(), and ec_response_charge_port_count::port_count.

Referenced by fill_ssdt_typec_device().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_pd_port_caps()

int google_chromeec_get_pd_port_caps	(	int	port,
		struct usb_pd_port_caps *	port_caps
	)

Get role-based capabilities for a USB-PD port.

Parameters

port	Which port to get information about
*power_role_cap	The power-role capability of the port
*try_power_role_cap	The Try-power-role capability of the port
*data_role_cap	The data role capability of the port
*port_location	Location of the port on the device

Returns: 0 on success, -1 on error

Definition at line 1440 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, usb_pd_port_caps::data_role_cap, EC_CMD_GET_PD_PORT_CAPS, google_chromeec_command(), params, ec_response_get_pd_port_caps::pd_data_role_cap, ec_response_get_pd_port_caps::pd_port_location, ec_response_get_pd_port_caps::pd_power_role_cap, ec_response_get_pd_port_caps::pd_try_power_role_cap, port_caps, usb_pd_port_caps::port_location, usb_pd_port_caps::power_role_cap, and usb_pd_port_caps::try_power_role_cap.

Referenced by fill_ssdt_typec_device().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_protocol_info()

int google_chromeec_get_protocol_info ( struct ec_response_get_protocol_info * resp )

Get information about the protocol that the EC speaks.

Parameters

resp	Filled with host command protocol information.

Returns: 0 on success, -1 on error

Definition at line 734 of file ec.c.

References chromeec_command::cmd_code, EC_CMD_GET_PROTOCOL_INFO, google_chromeec_command(), and NULL.

Referenced by ec_flash_write().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_sku_id()

uint32_t google_chromeec_get_sku_id ( void )

Definition at line 934 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, EC_CMD_GET_SKU_ID, google_chromeec_command(), and ec_sku_id_info::sku_id.

Referenced by sku_id(), variant_board_sku(), variant_devtree_update(), and variant_romstage_entry().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_uptime_info()

static uint16_t google_chromeec_get_uptime_info ( struct ec_response_uptime_info * resp )

static

Definition at line 991 of file ec.c.

References chromeec_command::cmd_code, EC_CMD_GET_UPTIME_INFO, google_chromeec_command(), and NULL.

Referenced by google_chromeec_get_ap_watchdog_flag(), and google_chromeec_get_current_image().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_usb_pd_power_info()

int google_chromeec_get_usb_pd_power_info	(	enum usb_chg_type *	type,
		uint16_t *	current_max,
		uint16_t *	voltage_max
	)

Definition at line 1163 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, usb_chg_measures::current_max, EC_CMD_USB_PD_POWER_INFO, google_chromeec_command(), m, ec_response_usb_pd_power_info::meas, params, PD_POWER_CHARGING_PORT, ec_response_usb_pd_power_info::type, type, and usb_chg_measures::voltage_max.

Referenced by mainboard_set_power_limits(), and variant_update_psys_power_limits().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_usbc_mux_info()

int google_chromeec_get_usbc_mux_info	(	int	port,
		struct usbc_mux_info *	mux_info
	)

Definition at line 1575 of file ec.c.

References BIOS_ERR, usbc_mux_info::cable, usbc_mux_info::dbg_acc, usbc_mux_info::dp, usbc_mux_info::dp_pin_mode, google_chromeec_usb_get_pd_mux_info(), google_chromeec_usb_pd_get_info(), usbc_mux_info::hpd_irq, usbc_mux_info::hpd_lvl, usbc_mux_info::polarity, printk, usbc_mux_info::ufp, usbc_mux_info::usb, USB_PD_MUX_DP_ENABLED, USB_PD_MUX_HPD_IRQ, USB_PD_MUX_HPD_LVL, USB_PD_MUX_POLARITY_INVERTED, and USB_PD_MUX_USB_ENABLED.

Here is the call graph for this function:

◆ google_chromeec_get_vboot_hash()

int google_chromeec_get_vboot_hash	(	uint32_t	offset,
		struct ec_response_vboot_hash *	resp
	)

Return the EC's vboot image hash.

Parameters

offset	Get hash for flash region beginning here
resp	Pointer to response structure

Returns: 0 on success, -1 on error

Definition at line 487 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_size_out, EC_CMD_VBOOT_HASH, EC_VBOOT_HASH_GET, google_chromeec_command(), offset, and params.

Referenced by ec_hash_image().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_get_wake_mask()

uint64_t google_chromeec_get_wake_mask ( void )

Definition at line 1138 of file ec.c.

References EC_HOST_EVENT_ACTIVE_WAKE_MASK, and google_chromeec_get_mask().

Here is the call graph for this function:

◆ google_chromeec_handle_non_uhepi_cmd()

static int google_chromeec_handle_non_uhepi_cmd	(	uint8_t	hcmd,
		uint8_t	action,
		uint64_t *	value
	)

static

Definition at line 143 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, EC_HOST_EVENT_GET, google_chromeec_command(), INVALID_HCMD, ec_response_host_event_mask::mask, params, and value.

Referenced by google_chromeec_clear_mask(), google_chromeec_get_mask(), and google_chromeec_set_mask().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_hello()

int google_chromeec_hello ( void )

Performs light verification of the EC<->AP communication channel.

Returns: 0 on success, -1 on error

Definition at line 1236 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_size_out, EC_CMD_HELLO, google_chromeec_command(), ec_response_hello::out_data, and params.

Referenced by vb2ex_ec_jump_to_rw().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_i2c_xfer()

int google_chromeec_i2c_xfer	(	uint8_t	chip,
		uint8_t	addr,
		int	alen,
		uint8_t *	buffer,
		int	len,
		int	is_read
	)

Definition at line 1030 of file ec.c.

References addr, ec_params_i2c_passthru_msg::addr_flags, BIOS_ERR, buffer, chip, chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_in, chromeec_command::cmd_size_out, chromeec_command::cmd_version, ec_response_i2c_passthru::data, EC_CMD_I2C_PASSTHRU, EC_HOST_PARAM_SIZE, EC_I2C_FLAG_READ, EC_I2C_STATUS_ERROR, google_chromeec_command(), ec_response_i2c_passthru::i2c_status, ec_params_i2c_passthru_msg::len, memcpy(), ec_params_i2c_passthru::msg, ec_params_i2c_passthru::num_msgs, params, ec_params_i2c_passthru::port, and printk.

Referenced by tps65090_thru_ec_fet_disable(), and tps65090_thru_ec_fet_set().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_init()

void google_chromeec_init ( void )

Definition at line 1470 of file ec.c.

References google_chromeec_log_uptimeinfo().

Referenced by lpc_ec_init().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_is_uhepi_supported()

bool google_chromeec_is_uhepi_supported ( void )

Definition at line 177 of file ec.c.

References BIOS_DEBUG, EC_FEATURE_UNIFIED_WAKE_MASKS, google_chromeec_check_feature(), printk, UHEPI_NOT_SUPPORTED, and UHEPI_SUPPORTED.

Referenced by chromeec_smi_sleep(), google_chromeec_clear_mask(), google_chromeec_events_init(), google_chromeec_get_mask(), and google_chromeec_set_mask().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_kbbacklight()

int google_chromeec_kbbacklight ( int percent )

Definition at line 75 of file ec.c.

References BIOS_DEBUG, chromeec_command::cmd_code, chromeec_command::cmd_size_out, EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT, google_chromeec_command(), params, ec_response_pwm_get_keyboard_backlight::percent, ec_params_pwm_set_keyboard_backlight::percent, and printk.

Referenced by google_chromeec_post(), mainboard_early_init(), mainboard_memory_init_params(), mainboard_post_raminit(), and variant_romstage_entry().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_log_device_events()

static void google_chromeec_log_device_events ( uint64_t mask )

static

Definition at line 366 of file ec.c.

References BIOS_INFO, CONFIG, EC_DEVICE_EVENT_MASK, EC_FEATURE_DEVICE_EVENT, elog_add_event_byte(), ELOG_TYPE_EC_DEVICE_EVENT, google_chromeec_check_feature(), google_chromeec_get_device_current_events(), mask, and printk.

Referenced by google_chromeec_events_init().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_log_events()

void google_chromeec_log_events ( uint64_t mask )

Definition at line 386 of file ec.c.

References CONFIG, EC_HOST_EVENT_MASK, elog_add_event_byte(), ELOG_TYPE_EC_EVENT, google_chromeec_clear_events_b(), google_chromeec_get_events_b(), and mask.

Referenced by elog_gsmi_cb_mainboard_log_wake_source(), and google_chromeec_events_init().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_log_uptimeinfo()

static void google_chromeec_log_uptimeinfo ( void )

static

Definition at line 1313 of file ec.c.

Referenced by google_chromeec_init().

Here is the caller graph for this function:

◆ google_chromeec_override_dedicated_charger_limit()

int google_chromeec_override_dedicated_charger_limit	(	uint16_t	current_lim,
		uint16_t	voltage_lim
	)

Definition at line 1194 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, ec_params_dedicated_charger_limit::current_lim, EC_CMD_OVERRIDE_DEDICATED_CHARGER_LIMIT, google_chromeec_command(), NULL, params, and ec_params_dedicated_charger_limit::voltage_lim.

Here is the call graph for this function:

◆ google_chromeec_pd_get_amode()

static int google_chromeec_pd_get_amode ( uint16_t svid )

static

Check if EC/TCPM is in an alternate mode or not.

Parameters

svid	SVID of the alternate mode to check

Returns: 0: Not in the mode. -1: Error. >=1: bitmask of the ports that are in the mode.

Definition at line 1612 of file ec.c.

References BIT, chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_in, chromeec_command::cmd_size_out, chromeec_command::cmd_version, EC_CMD_USB_PD_GET_AMODE, EC_CMD_USB_PD_PORTS, google_chromeec_command(), NULL, ec_response_usb_pd_ports::num_ports, params, and ec_params_usb_pd_get_mode_response::svid.

Referenced by google_chromeec_wait_for_displayport().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_post()

void google_chromeec_post ( uint8_t postcode )

Definition at line 97 of file ec.c.

References google_chromeec_kbbacklight().

Here is the call graph for this function:

◆ google_chromeec_read_limit_power_request()

int google_chromeec_read_limit_power_request ( int * limit_power )

Check if the EC is requesting the system to limit input power.

Parameters

limit_power If successful, limit_power is 1 if EC is requesting input power limits, otherwise 0.

Returns: 0 on success, -1 on error

Definition at line 700 of file ec.c.

References BIOS_INFO, CHARGE_STATE_CMD_GET_PARAM, chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_size_out, CS_PARAM_LIMIT_POWER, EC_CMD_CHARGE_STATE, EC_RES_INVALID_COMMAND, EC_RES_INVALID_PARAM, ec_response_charge_state::get_param, google_chromeec_command(), params, and printk.

Referenced by vb2ex_ec_vboot_done().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_reboot()

int google_chromeec_reboot	(	int	dev_idx,
		enum ec_reboot_cmd	type,
		uint8_t	flags
	)

Definition at line 794 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, EC_CMD_REBOOT_EC, ec_params_reboot_ec::flags, google_chromeec_command(), params, and type.

Referenced by do_board_reset(), vb2ex_ec_disable_jump(), vb2ex_ec_jump_to_rw(), and vboot_sync_ec().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_regulator_enable()

int google_chromeec_regulator_enable	(	uint32_t	index,
		uint8_t	enable
	)

Configure the regulator as enabled / disabled.

Parameters

index	Regulator ID
enable	Set to enable / disable the regulator

Returns: 0 on success, -1 on error

Definition at line 1754 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, EC_CMD_REGULATOR_ENABLE, ec_params_regulator_enable::enable, google_chromeec_command(), ec_params_regulator_enable::index, NULL, and params.

Referenced by mainboard_enable_regulator().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_regulator_get_voltage()

int google_chromeec_regulator_get_voltage	(	uint32_t	index,
		uint32_t *	voltage_mv
	)

Get the currently configured voltage for the voltage regulator.

Parameters

index	Regulator ID
*voltage_mv	If successful, voltage_mv is filled with current voltage

Returns: 0 on success, -1 on error

Definition at line 1824 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, EC_CMD_REGULATOR_GET_VOLTAGE, google_chromeec_command(), ec_params_regulator_get_voltage::index, params, and ec_response_regulator_get_voltage::voltage_mv.

Referenced by mainboard_get_regulator_vol().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_regulator_is_enabled()

int google_chromeec_regulator_is_enabled	(	uint32_t	index,
		uint8_t *	enabled
	)

Query if the regulator is enabled.

Parameters

index	Regulator ID
*enabled	If successful, enabled indicates enable/disable status.

Returns: 0 on success, -1 on error

Definition at line 1776 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, EC_CMD_REGULATOR_IS_ENABLED, ec_response_regulator_is_enabled::enabled, google_chromeec_command(), ec_params_regulator_is_enabled::index, and params.

Referenced by mainboard_regulator_is_enabled().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_regulator_set_voltage()

int google_chromeec_regulator_set_voltage	(	uint32_t	index,
		uint32_t	min_mv,
		uint32_t	max_mv
	)

Set voltage for the voltage regulator within the range specified.

Parameters

index	Regulator ID
min_mv	Minimum voltage
max_mv	Maximum voltage

Returns: 0 on success, -1 on error

Definition at line 1800 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, EC_CMD_REGULATOR_SET_VOLTAGE, google_chromeec_command(), ec_params_regulator_set_voltage::index, ec_params_regulator_set_voltage::max_mv, ec_params_regulator_set_voltage::min_mv, NULL, and params.

Referenced by mainboard_set_regulator_vol().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_device_enabled_events()

int google_chromeec_set_device_enabled_events ( uint64_t mask )

Definition at line 323 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, EC_CMD_DEVICE_EVENT, EC_DEVICE_EVENT_PARAM_SET_ENABLED_EVENTS, google_chromeec_command(), mask, ec_params_device_event::param, and params.

Referenced by chromeec_smi_device_event_sleep().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_lazy_wake_masks()

static void google_chromeec_set_lazy_wake_masks	(	uint64_t	s5_mask,
		uint64_t	s3_mask,
		uint64_t	s0ix_mask
	)

static

Definition at line 257 of file ec.c.

References BIOS_DEBUG, google_chromeec_set_s0ix_lazy_wake_mask(), google_chromeec_set_s3_lazy_wake_mask(), google_chromeec_set_s5_lazy_wake_mask(), and printk.

Referenced by google_chromeec_events_init().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_mask()

static int __unused google_chromeec_set_mask	(	uint8_t	type,
		uint64_t	mask
	)

static

Definition at line 222 of file ec.c.

References ARRAY_SIZE, assert, EC_HOST_EVENT_SET, event_map, google_chromeec_handle_non_uhepi_cmd(), google_chromeec_is_uhepi_supported(), google_chromeec_uhepi_cmd(), mask, set_cmd, and type.

Referenced by google_chromeec_set_s0ix_lazy_wake_mask(), google_chromeec_set_s3_lazy_wake_mask(), google_chromeec_set_s5_lazy_wake_mask(), google_chromeec_set_sci_mask(), google_chromeec_set_smi_mask(), and google_chromeec_set_wake_mask().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_s0ix_lazy_wake_mask()

static int google_chromeec_set_s0ix_lazy_wake_mask ( uint64_t mask )

static

Definition at line 250 of file ec.c.

References BIOS_DEBUG, EC_HOST_EVENT_LAZY_WAKE_MASK_S0IX, google_chromeec_set_mask(), mask, and printk.

Referenced by google_chromeec_set_lazy_wake_masks().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_s3_lazy_wake_mask()

static int google_chromeec_set_s3_lazy_wake_mask ( uint64_t mask )

static

Definition at line 234 of file ec.c.

References BIOS_DEBUG, EC_HOST_EVENT_LAZY_WAKE_MASK_S3, google_chromeec_set_mask(), mask, and printk.

Referenced by google_chromeec_set_lazy_wake_masks().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_s5_lazy_wake_mask()

static int google_chromeec_set_s5_lazy_wake_mask ( uint64_t mask )

static

Definition at line 242 of file ec.c.

References BIOS_DEBUG, EC_HOST_EVENT_LAZY_WAKE_MASK_S5, google_chromeec_set_mask(), mask, and printk.

Referenced by google_chromeec_set_lazy_wake_masks().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_sci_mask()

int google_chromeec_set_sci_mask ( uint64_t mask )

Definition at line 1119 of file ec.c.

References BIOS_DEBUG, EC_HOST_EVENT_SCI_MASK, google_chromeec_set_mask(), mask, and printk.

Referenced by chromeec_smi_apmc(), chromeec_smi_sleep(), google_chromeec_events_init(), mainboard_smi_apmc(), and mainboard_smi_sleep().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_sku_id()

int google_chromeec_set_sku_id ( uint32_t skuid )

Definition at line 753 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, EC_CMD_SET_SKU_ID, google_chromeec_command(), NULL, and params.

Referenced by configure_ec(), and variant_board_ec_set_skuid().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_smi_mask()

int google_chromeec_set_smi_mask ( uint64_t mask )

Definition at line 1125 of file ec.c.

References BIOS_DEBUG, EC_HOST_EVENT_SMI_MASK, google_chromeec_set_mask(), mask, and printk.

Referenced by chromeec_smi_apmc(), chromeec_smi_sleep(), google_chromeec_events_init(), mainboard_smi_apmc(), and mainboard_smi_sleep().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_usb_charge_mode()

int google_chromeec_set_usb_charge_mode	(	uint8_t	port_id,
		enum usb_charge_mode	mode
	)

Definition at line 1143 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, EC_CMD_USB_CHARGE_SET_MODE, google_chromeec_command(), ec_params_usb_charge_set_mode::mode, NULL, and params.

Referenced by mainboard_smi_sleep().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_usb_pd_role()

int google_chromeec_set_usb_pd_role	(	uint8_t	port,
		enum usb_pd_control_role	role
	)

Definition at line 1214 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, EC_CMD_USB_PD_CONTROL, google_chromeec_command(), params, ec_params_usb_pd_control::role, USB_PD_CTRL_MUX_NO_CHANGE, and USB_PD_CTRL_SWAP_NONE.

Referenced by usb_power_cycle().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_set_wake_mask()

int google_chromeec_set_wake_mask ( uint64_t mask )

Definition at line 1131 of file ec.c.

References BIOS_DEBUG, EC_HOST_EVENT_ACTIVE_WAKE_MASK, google_chromeec_set_mask(), mask, and printk.

Referenced by chromeec_smi_sleep(), google_chromeec_events_init(), and mainboard_smi_sleep().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_start_vboot_hash()

int google_chromeec_start_vboot_hash	(	enum ec_vboot_hash_type	hash_type,
		uint32_t	offset,
		struct ec_response_vboot_hash *	resp
	)

Calculate image hash for vboot.

Parameters

hash_type	The hash types supported by the EC for vboot
offset	The offset to start hashing in flash
resp	Pointer to response structure

Returns: 0 on success, -1 on error

Definition at line 510 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_in, chromeec_command::cmd_size_out, EC_CMD_VBOOT_HASH, EC_VBOOT_HASH_START, google_chromeec_command(), ec_params_vboot_hash::hash_type, and params.

Referenced by ec_hash_image().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_typec_control_enter_dp_mode()

int google_chromeec_typec_control_enter_dp_mode ( int port )

Definition at line 1512 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_dev_index, chromeec_command::cmd_size_out, EC_CMD_TYPEC_CONTROL, EC_FEATURE_TYPEC_REQUIRE_AP_MODE_ENTRY, google_chromeec_check_feature(), google_chromeec_command(), NULL, ec_params_typec_control::port, TYPEC_CONTROL_COMMAND_ENTER_MODE, and TYPEC_MODE_DP.

Here is the call graph for this function:

◆ google_chromeec_uhepi_cmd()

static int google_chromeec_uhepi_cmd	(	uint8_t	mask,
		uint8_t	action,
		uint64_t *	value
	)

static

Definition at line 110 of file ec.c.

References ec_params_host_event::action, chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, EC_CMD_HOST_EVENT, EC_HOST_EVENT_GET, google_chromeec_command(), mask, params, value, and ec_response_host_event::value.

Referenced by google_chromeec_clear_mask(), google_chromeec_get_mask(), and google_chromeec_set_mask().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_usb_get_pd_mux_info()

int google_chromeec_usb_get_pd_mux_info	(	int	port,
		uint8_t *	flags
	)

Check for the current mux state in EC.

Flags representing the mux state found in ec_commands.h

Definition at line 1543 of file ec.c.

References chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, EC_CMD_USB_PD_MUX_INFO, ec_response_usb_pd_mux_info::flags, google_chromeec_command(), and ec_params_usb_pd_mux_info::port.

Referenced by google_chromeec_get_usbc_mux_info(), and google_chromeec_wait_for_dp_hpd().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_usb_pd_get_info()

static int google_chromeec_usb_pd_get_info	(	int	port,
		bool *	ufp,
		bool *	dbg_acc,
		bool *	active_cable,
		uint8_t *	dp_mode
	)

static

Definition at line 1481 of file ec.c.

References ec_response_usb_pd_control_v2::cc_state, chromeec_command::cmd_code, chromeec_command::cmd_data_out, chromeec_command::cmd_size_out, ec_response_usb_pd_control_v2::control_flags, ec_response_usb_pd_control_v2::dp_mode, EC_CMD_USB_PD_CONTROL, google_chromeec_command(), PD_CC_DFP_ATTACHED, PD_CC_DFP_DEBUG_ACC, ec_params_usb_pd_control::port, USB_PD_CTRL_ACTIVE_CABLE, USB_PD_CTRL_ROLE_NO_CHANGE, and USB_PD_CTRL_SWAP_NONE.

Referenced by google_chromeec_get_usbc_mux_info().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_vbnv_context()

int google_chromeec_vbnv_context	(	int	is_read,
		uint8_t *	data,
		int	len
	)

Definition at line 952 of file ec.c.

References BIOS_ERR, ec_response_vbnvcontext::block, chromeec_command::cmd_code, chromeec_command::cmd_size_out, EC_CMD_VBNV_CONTEXT, EC_VBNV_BLOCK_SIZE, EC_VBNV_CONTEXT_OP_READ, EC_VBNV_CONTEXT_OP_WRITE, EC_VER_VBNV_CONTEXT, google_chromeec_command(), mdelay(), memcpy(), params, printk, and retry.

Referenced by read_vbnv_ec(), and save_vbnv_ec().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_wait_for_displayport()

int google_chromeec_wait_for_displayport ( long timeout_ms )

Wait for DisplayPort to be ready.

Parameters

timeout_ms Wait aborts after <timeout_ms> ms.

Returns: -1: Error. 0: Timeout. >=1: Bitmask of the ports that DP device is connected

Definition at line 1668 of file ec.c.

References BIOS_ERR, BIOS_INFO, BIOS_WARNING, google_chromeec_pd_get_amode(), mdelay(), printk, stopwatch_duration_msecs(), stopwatch_expired(), stopwatch_init_msecs_expire(), and USB_SID_DISPLAYPORT.

Referenced by variant_chip_display_init(), and variant_ramstage_init().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ google_chromeec_wait_for_dp_hpd()

int google_chromeec_wait_for_dp_hpd	(	int	port,
		long	timeout_ms
	)

Definition at line 1699 of file ec.c.

References BIOS_INFO, BIOS_WARNING, google_chromeec_usb_get_pd_mux_info(), mdelay(), printk, stopwatch_duration_msecs(), stopwatch_expired(), stopwatch_init_msecs_expire(), USB_PD_MUX_DP_ENABLED, and USB_PD_MUX_HPD_LVL.

Here is the call graph for this function:

◆ google_ec_running_ro()

int google_ec_running_ro ( void )

Definition at line 1475 of file ec.c.

References EC_IMAGE_RO, and google_chromeec_get_current_image().

Referenced by vb2ex_ec_running_rw().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ reset_cause_to_str()

static const char* reset_cause_to_str ( uint16_t cause )

static

Definition at line 1267 of file ec.c.

References ARRAY_SIZE.

Referenced by google_chromeec_get_current_image().

Here is the caller graph for this function:

Variable Documentation

◆ clear_cmd

uint8_t clear_cmd

Definition at line 26 of file ec.c.

Referenced by google_chromeec_clear_mask().

◆

const { ... } event_map[]

Referenced by google_chromeec_clear_mask(), google_chromeec_get_mask(), and google_chromeec_set_mask().

◆ get_cmd

uint8_t get_cmd

Definition at line 27 of file ec.c.

Referenced by google_chromeec_get_mask().

◆ set_cmd

uint8_t set_cmd

Definition at line 25 of file ec.c.

Referenced by google_chromeec_set_mask().

Macros

Functions

Variables

Macro Definition Documentation

◆ INVALID_HCMD

◆ UHEPI_NOT_SUPPORTED

◆ UHEPI_SUPPORTED

◆ USB_SID_DISPLAYPORT

Function Documentation

◆ cbi_get_string()

◆ cbi_get_uint32()

◆ google_chromeec_ap_reset()

◆ google_chromeec_battery_cutoff()

◆ google_chromeec_calc_checksum()

◆ google_chromeec_cbi_get_board_version()

◆ google_chromeec_cbi_get_dram_part_num()

◆ google_chromeec_cbi_get_fw_config()

◆ google_chromeec_cbi_get_oem_id()

◆ google_chromeec_cbi_get_oem_name()

◆ google_chromeec_cbi_get_sku_id()

◆ google_chromeec_cbi_get_ssfc()

◆ google_chromeec_check_feature()

◆ google_chromeec_clear_events_b()

◆ google_chromeec_clear_mask()

◆ google_chromeec_efs_verify()

◆ google_chromeec_events_init()

◆ google_chromeec_flash_erase()

◆ google_chromeec_flash_info()

◆ google_chromeec_flash_protect()

◆ google_chromeec_flash_region_info()

◆ google_chromeec_flash_write_block()

◆ google_chromeec_get_ap_watchdog_flag()

◆ google_chromeec_get_board_version()

◆ google_chromeec_get_cmd_versions()

◆ google_chromeec_get_current_image()

◆ google_chromeec_get_device_current_events()

◆ google_chromeec_get_device_enabled_events()

◆ google_chromeec_get_events_b()

◆ google_chromeec_get_keybd_config()

◆ google_chromeec_get_mask()

◆ google_chromeec_get_mkbp_event()

◆ google_chromeec_get_num_pd_ports()

◆ google_chromeec_get_pd_port_caps()

◆ google_chromeec_get_protocol_info()

◆ google_chromeec_get_sku_id()

◆ google_chromeec_get_uptime_info()

◆ google_chromeec_get_usb_pd_power_info()

◆ google_chromeec_get_usbc_mux_info()

◆ google_chromeec_get_vboot_hash()

◆ google_chromeec_get_wake_mask()

◆ google_chromeec_handle_non_uhepi_cmd()

◆ google_chromeec_hello()

◆ google_chromeec_i2c_xfer()

◆ google_chromeec_init()

◆ google_chromeec_is_uhepi_supported()

◆ google_chromeec_kbbacklight()

◆ google_chromeec_log_device_events()

◆ google_chromeec_log_events()

◆ google_chromeec_log_uptimeinfo()

◆ google_chromeec_override_dedicated_charger_limit()

◆ google_chromeec_pd_get_amode()

◆ google_chromeec_post()

◆ google_chromeec_read_limit_power_request()

◆ google_chromeec_reboot()

◆ google_chromeec_regulator_enable()

◆ google_chromeec_regulator_get_voltage()

◆ google_chromeec_regulator_is_enabled()

◆ google_chromeec_regulator_set_voltage()

◆ google_chromeec_set_device_enabled_events()

◆ google_chromeec_set_lazy_wake_masks()

◆ google_chromeec_set_mask()

◆ google_chromeec_set_s0ix_lazy_wake_mask()

◆ google_chromeec_set_s3_lazy_wake_mask()

◆ google_chromeec_set_s5_lazy_wake_mask()

◆ google_chromeec_set_sci_mask()

◆ google_chromeec_set_sku_id()

◆ google_chromeec_set_smi_mask()

◆ google_chromeec_set_usb_charge_mode()

◆ google_chromeec_set_usb_pd_role()

◆ google_chromeec_set_wake_mask()