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b804daf651
Should be no functional changes; this is just rearranging code. BUG=none TEST=boot system and type on console; should still work Change-Id: I1c0d44db2d32048b1aaf458728b887b4a008c8cd Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/24644
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* The functions implemented by keyboard component of EC core.
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*/
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#ifndef __CROS_EC_KEYBOARD_H
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#define __CROS_EC_KEYBOARD_H
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#include "common.h"
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#define MAX_SCAN_CODE_LEN 4
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/* Called by keyboard scan code once any key state change (after de-bounce),
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*
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* This function will look up matrix table and convert scancode host.
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*/
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void keyboard_state_changed(int row, int col, int is_pressed);
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/* Handle the port 0x60 writes from host.
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*
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* This functions returns the number of bytes stored in *output buffer.
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*/
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int handle_keyboard_data(uint8_t data, uint8_t *output);
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/* Handle the port 0x64 writes from host.
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*
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* This functions returns the number of bytes stored in *output buffer.
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* BUT theose bytes will appear at port 0x60.
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*/
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int handle_keyboard_command(uint8_t command, uint8_t *output);
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/* Clear the keyboard buffer to host. */
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void keyboard_clear_underlying_buffer(void);
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/* Send make/break code of power button to host. */
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void keyboard_set_power_button(int pressed);
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/* Log the keyboard-related information */
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void kblog_put(char type, uint8_t byte);
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#endif /* __CROS_EC_KEYBOARD_H */
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