| /* |
| * 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 |
| #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 succesfully */ |
| 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 */ |