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/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* common.h - Common includes for Chrome EC */
#ifndef __CROS_EC_COMMON_H
#define __CROS_EC_COMMON_H
#include <stdint.h>
/* Macros to access registers */
#define REG32(addr) (*(volatile uint32_t *)(addr))
#define REG16(addr) (*(volatile uint16_t *)(addr))
/*
* Define __packed if someone hasn't beat us to it. Linux kernel style
* checking prefers __packed over __attribute__((packed)).
*/
#ifndef __packed
#define __packed __attribute__((packed))
#endif
/*
* Include board and core configs, since those hold the CONFIG_ constants for a
* given configuration. This guarantees they get included everywhere, and
* fixes a fairly common bug where we gate out code with #ifndef
* CONFIG_SOMETHING and but forget to include both of these.
*/
#include "board.h"
#include "config.h"
/* List of common error codes that can be returned */
enum ec_error_list {
/* Success - no error */
EC_SUCCESS = 0,
/* Unknown error */
EC_ERROR_UNKNOWN = 1,
/* Function not implemented yet */
EC_ERROR_UNIMPLEMENTED = 2,
/* Overflow error; too much input provided. */
EC_ERROR_OVERFLOW = 3,
/* Timeout */
EC_ERROR_TIMEOUT = 4,
/* Invalid argument */
EC_ERROR_INVAL = 5,
/* Already in use, or not ready yet */
EC_ERROR_BUSY = 6,
/* Access denied */
EC_ERROR_ACCESS_DENIED = 7,
/* Failed because component does not have power */
EC_ERROR_NOT_POWERED = 8,
/* Failed because component is not calibrated */
EC_ERROR_NOT_CALIBRATED = 9,
/* Invalid console command param (PARAMn means parameter n is bad) */
EC_ERROR_PARAM1 = 11,
EC_ERROR_PARAM2 = 12,
EC_ERROR_PARAM3 = 13,
EC_ERROR_PARAM4 = 14,
EC_ERROR_PARAM5 = 15,
EC_ERROR_PARAM6 = 16,
EC_ERROR_PARAM7 = 17,
EC_ERROR_PARAM8 = 18,
EC_ERROR_PARAM9 = 19,
EC_ERROR_PARAM_COUNT = 20, /* Wrong number of params */
/* Module-internal error codes may use this range. */
EC_ERROR_INTERNAL_FIRST = 0x10000,
EC_ERROR_INTERNAL_LAST = 0x1FFFF
};
/*
* Define test_mockable and test_mockable_static for mocking
* functions.
*/
#ifdef TEST_BUILD
#define test_mockable __attribute__((weak))
#define test_mockable_static __attribute__((weak))
#else
#define test_mockable
#define test_mockable_static static
#endif
#endif /* __CROS_EC_COMMON_H */
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