projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 656419f9 RC |
1 | /** @file\r |
| 2 | PC/AT CMOS access routines\r | |
| 3 | \r | |
| 4 | Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 6 | \r | |
| 7 | **/\r | |
| 8 | \r | |
| 9fb629ed RC |
9 | #ifndef _CMOS_H_\r |
| 10 | #define _CMOS_H_\r | |
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11 | \r |
| 12 | /**\r | |
| 13 | Reads 8-bits of CMOS data.\r | |
| 14 | \r | |
| 15 | Reads the 8-bits of CMOS data at the location specified by Index.\r | |
| 16 | The 8-bit read value is returned.\r | |
| 17 | \r | |
| 18 | @param Index The CMOS location to read.\r | |
| 19 | \r | |
| 20 | @return The value read.\r | |
| 21 | \r | |
| 22 | **/\r | |
| 23 | UINT8\r | |
| 24 | EFIAPI\r | |
| 25 | CmosRead8 (\r | |
| ac0a286f | 26 | IN UINTN Index\r |
| 656419f9 RC |
27 | );\r |
| 28 | \r | |
| 29 | /**\r | |
| 30 | Writes 8-bits of CMOS data.\r | |
| 31 | \r | |
| 32 | Writes 8-bits of CMOS data to the location specified by Index\r | |
| 33 | with the value specified by Value and returns Value.\r | |
| 34 | \r | |
| 35 | @param Index The CMOS location to write.\r | |
| 36 | @param Value The value to write to CMOS.\r | |
| 37 | \r | |
| 38 | @return The value written to CMOS.\r | |
| 39 | \r | |
| 40 | **/\r | |
| 41 | UINT8\r | |
| 42 | EFIAPI\r | |
| 43 | CmosWrite8 (\r | |
| ac0a286f MK |
44 | IN UINTN Index,\r |
| 45 | IN UINT8 Value\r | |
| 656419f9 RC |
46 | );\r |
| 47 | \r | |
| 9fb629ed | 48 | #endif /* _CMOS_H_ */\r |