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Diffstat (limited to 'board/keyborg/master_slave.h')
| -rw-r--r-- | board/keyborg/master_slave.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/board/keyborg/master_slave.h b/board/keyborg/master_slave.h deleted file mode 100644 index 7312799158..0000000000 --- a/board/keyborg/master_slave.h +++ /dev/null @@ -1,49 +0,0 @@ -/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ -/* Master/slave identification */ - -#ifndef __BOARD_KEYBORG_MASTER_SLAVE_H -#define __BOARD_KEYBORG_MASTER_SLAVE_H - -/** - * Get the identity of this chip. - * - * @return 1 if master; otherwise, 0. - */ -int master_slave_is_master(void); - -/** - * Synchronize with the other chip. The other chip must also call this - * function to synchronize. - * - * @param timeout_ms Timeout value in millisecond. If the other chip - * doesn't synchronize within this time, the sync - * call fails. - * - * @return EC_SUCCESS, or non-zero if any error. - */ -#define master_slave_sync(timeout_ms) \ - master_slave_sync_impl(__FILE__, __LINE__, timeout_ms) -int master_slave_sync_impl(const char *filename, int line, int timeout_ms); - -/** - * Enable/disable master-slave interrupt. Master-slave interrupt is - * implemented using SYNC1/SYNC2 signal, so this is assuming the master - * and the slave are in sync waiting for interrupt. - */ -void master_slave_enable_interrupt(void); -void master_slave_disable_interrupt(void); - -/* Interrupt the other chip with a 1-ms pulse. */ -void master_slave_wake_other(void); - -/** - * Identify this chip and shake hands with the other chip. - * - * @return EC_SUCCESS, or non-zero if any error. - */ -int master_slave_init(void); - -#endif /* __BOARD_KEYBORG_MASTER_SLAVE_H */ |