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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2009 coresystems GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __TYPES_H
#define __TYPES_H
/* types.h is supposed to provide stdint and stddef defined in here: */
#include <stdint.h>
#include <stddef.h>
/*
* This may mean something else on architectures where the bits are numbered
* from the MSB (e.g. PowerPC), but until we cross that bridge, this macro is
* perfectly fine.
*/
#define BIT(x) (1ul << (x))
/**
* coreboot error codes
*
* When building functions that return a status or an error code, use cb_err as
* the return type. When failure reason needs to be communicated by the return
* value, define a it here. Start new enum groups with values in decrements of
* 100.
*/
enum cb_err {
CB_SUCCESS = 0, /**< Call completed successfully */
CB_ERR = -1, /**< Generic error code */
CB_ERR_ARG = -2, /**< Invalid argument */
/* NVRAM/CMOS errors */
CB_CMOS_OTABLE_DISABLED = -100, /**< Option table disabled */
CB_CMOS_LAYOUT_NOT_FOUND = -101, /**< Layout file not found */
CB_CMOS_OPTION_NOT_FOUND = -102, /**< Option string not found */
CB_CMOS_ACCESS_ERROR = -103, /**< CMOS access error */
CB_CMOS_CHECKSUM_INVALID = -104, /**< CMOS checksum is invalid */
/* Keyboard test failures */
CB_KBD_CONTROLLER_FAILURE = -200,
CB_KBD_INTERFACE_FAILURE = -201,
/* I2C controller failures */
CB_I2C_NO_DEVICE = -300, /**< Device is not responding */
CB_I2C_BUSY = -301, /**< Device tells it's busy */
CB_I2C_PROTOCOL_ERROR = -302, /**< Data lost or spurious slave
device response, try again? */
CB_I2C_TIMEOUT = -303, /**< Transmission timed out */
};
#endif /* __TYPES_H */
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