+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Keyboard matrix helper functions
*
* Copyright (c) 2012 The Chromium OS Authors.
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
*/
#ifndef _KEY_MATRIX_H
#define _KEY_MATRIX_H
-#include <common.h>
-
/* Information about a matrix keyboard */
struct key_matrix {
/* Dimensions of the keyboard matrix, in rows and columns */
const u8 *plain_keycode; /* key code for each row / column */
const u8 *fn_keycode; /* ...when Fn held down */
int fn_pos; /* position of Fn key in key (or -1) */
+ int ghost_filter; /* non-zero to enable ghost filter */
};
/* Information about a particular key (row, column pair) in the matrix */
* @param config Keyboard matrix config
* @param blob FDT blob
* @param node Node containing compatible data
- * @return 0 if ok, -1 on error
+ * Return: 0 if ok, -1 on error
*/
-int key_matrix_decode_fdt(struct key_matrix *config, const void *blob,
- int node);
+int key_matrix_decode_fdt(struct udevice *dev, struct key_matrix *config);
/**
* Set up a new key matrix.
* @param config Keyboard matrix config
* @param rows Number of rows in key matrix
* @param cols Number of columns in key matrix
- * @return 0 if ok, -1 on error
+ * @param ghost_filter Non-zero to enable ghost filtering
+ * Return: 0 if ok, -1 on error
*/
-int key_matrix_init(struct key_matrix *config, int rows, int cols);
+int key_matrix_init(struct key_matrix *config, int rows, int cols,
+ int ghost_filter);
#endif