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Diffstat (limited to 'arch/arm/mach-tegra/include/mach/kbc.h')
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diff --git a/arch/arm/mach-tegra/include/mach/kbc.h b/arch/arm/mach-tegra/include/mach/kbc.h
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+/*
+ * arch/arm/mach-tegra/include/mach/kbc.h
+ *
+ * Platform definitions for tegra-kbc keyboard input driver
+ *
+ * Copyright (c) 2010, NVIDIA 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; 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef ASMARM_ARCH_TEGRA_KBC_H
+#define ASMARM_ARCH_TEGRA_KBC_H
+
+#include <linux/types.h>
+
+#define KBC_MAX_ROW 16
+#define KBC_MAX_COL 8
+#define KBC_MAX_GPIO (KBC_MAX_ROW + KBC_MAX_COL)
+#define KBC_MAX_KPRESS_EVENT 8
+#define KBC_MAX_KEY (KBC_MAX_ROW * KBC_MAX_COL)
+
+enum {
+ kbc_pin_unused = 0,
+ kbc_pin_row,
+ kbc_pin_col,
+};
+
+struct tegra_kbc_wake_key {
+ u8 row:4;
+ u8 col:4;
+};
+
+struct tegra_kbc_pin_cfg {
+ int pin_type;
+ unsigned char num;
+};
+/**
+ * struct tegra_kbc_platform_data - Tegra kbc specific platform data for kbc
+ * driver.
+ * @debounce_cnt: Debaunce count in terms of clock ticks of 32KHz
+ * @repeat_cnt: The time to start next scan after completing the current scan
+ * in terms of clock ticks of 32KHz clock
+ * @scan_timeout_cnt: Number of clock count (32KHz) to keep scanning of keys
+ * after any key is pressed.
+ * @plain_keycode: The key code array for keys in normal mode.
+ * @fn_keycode: The key code array for keys with function key pressed.
+ * @is_filter_keys: Tells whether filter algorithms applied or not.
+ * @kbc_pin_type: The type of kbc pin whether unused or column or row.
+ * @is_wake_on_any_key: System whouls wakeup on any key or the key list from
+ * wake_cfg.
+ * @wake_key_cnt: Number of key count in wakeup list.
+ */
+struct tegra_kbc_platform_data {
+ unsigned int debounce_cnt;
+ unsigned int repeat_cnt;
+ unsigned int scan_timeout_cnt;
+ int *plain_keycode;
+ int *fn_keycode;
+ bool is_filter_keys;
+ struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO];
+ bool is_wake_on_any_key;
+ struct tegra_kbc_wake_key *wake_cfg;
+ int wake_key_cnt;
+};
+#endif