| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2018 Intel Corporation. |
| * |
| * 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. |
| */ |
| |
| /* |
| * Get GPIO Value |
| * Arg0 - GPIO Number |
| */ |
| Method (GRXS, 1, Serialized) |
| { |
| OperationRegion (PREG, SystemMemory, GADD (Arg0), 4) |
| Field (PREG, AnyAcc, NoLock, Preserve) |
| { |
| VAL0, 32 |
| } |
| And (GPIORXSTATE_MASK, ShiftRight (VAL0, GPIORXSTATE_SHIFT), Local0) |
| |
| Return (Local0) |
| } |
| |
| /* |
| * Get GPIO Tx Value |
| * Arg0 - GPIO Number |
| */ |
| Method (GTXS, 1, Serialized) |
| { |
| OperationRegion (PREG, SystemMemory, GADD (Arg0), 4) |
| Field (PREG, AnyAcc, NoLock, Preserve) |
| { |
| VAL0, 32 |
| } |
| And (GPIOTXSTATE_MASK, VAL0, Local0) |
| |
| Return (Local0) |
| } |
| |
| /* |
| * Set GPIO Tx Value |
| * Arg0 - GPIO Number |
| */ |
| Method (STXS, 1, Serialized) |
| { |
| OperationRegion (PREG, SystemMemory, GADD (Arg0), 4) |
| Field (PREG, AnyAcc, NoLock, Preserve) |
| { |
| VAL0, 32 |
| } |
| Or (GPIOTXSTATE_MASK, VAL0, VAL0) |
| } |
| |
| /* |
| * Clear GPIO Tx Value |
| * Arg0 - GPIO Number |
| */ |
| Method (CTXS, 1, Serialized) |
| { |
| OperationRegion (PREG, SystemMemory, GADD (Arg0), 4) |
| Field (PREG, AnyAcc, NoLock, Preserve) |
| { |
| VAL0, 32 |
| } |
| And (Not (GPIOTXSTATE_MASK), VAL0, VAL0) |
| } |