ec_i2c.c File Reference

#include <console/console.h>
#include <device/i2c_simple.h>
#include <stdint.h>
#include <string.h>
#include "ec.h"
#include "ec_commands.h"

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Data Structures
struct	EcCommandI2c
struct	EcResponseI2c

Macros
#define	MAX_I2C_DATA_SIZE   (0xff)

Functions
static void	i2c_dump (int bus, int chip, const uint8_t *data, size_t size)
static int	ec_verify_checksum (const EcResponseI2c *resp)
static void	ec_fill_checksum (EcCommandI2c *cmd)
int	google_chromeec_command (struct chromeec_command *cec_command)
	Send a command to a CrOS EC. More...
enum host_event_code	google_chromeec_get_event (void)

Macro Definition Documentation

MAX_I2C_DATA_SIZE

#define MAX_I2C_DATA_SIZE   (0xff)

Definition at line 128 of file ec_i2c.c.

Function Documentation

ec_fill_checksum()

static void ec_fill_checksum ( EcCommandI2c *  cmd )

static

Definition at line 169 of file ec_i2c.c.

References EcCommandI2c::data, google_chromeec_calc_checksum(), and EcCommandI2c::length.

Referenced by google_chromeec_command().

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ec_verify_checksum()

static int ec_verify_checksum ( const EcResponseI2c *  resp )

static

Definition at line 155 of file ec_i2c.c.

References BIOS_ERR, EcResponseI2c::data, google_chromeec_calc_checksum(), EcResponseI2c::length, and printk.

Referenced by google_chromeec_command().

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google_chromeec_command()

int google_chromeec_command

(

struct chromeec_command *

cec_command

)

Send a command to a CrOS EC.

Parameters

cec_command

CrOS EC command to send

Returns

0 for success. Non-zero for error.

Definition at line 176 of file ec_i2c.c.

google_chromeec_get_event()

enum host_event_code google_chromeec_get_event

(

void

)

Definition at line 176 of file ec_i2c.c.

i2c_dump()

static void i2c_dump ( int  bus, int  chip, const uint8_t *  data, size_t  size  )

inlinestatic

Definition at line 143 of file ec_i2c.c.

References BIOS_INFO, chip, and printk.

Referenced by google_chromeec_command().

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