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304d207117
Preparatory work to re-use the tools on ARM boards using I2C communications. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BUG=None TEST=make BOARD=link && make BOARD=bds && make BOard=DAISY Change-Id: I31d41f30c3231a4a9349b939bf6bba871ed4c383
30 lines
901 B
C
30 lines
901 B
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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#ifndef COMM_HOST_H
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#define COMM_HOST_H
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#include <stdint.h>
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/* Perform initializations needed for subsequent requests
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*
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* returns 0 in case of success or error code. */
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int comm_init(void);
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/* Sends a command to the EC. Returns the command status code, or
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* -1 if other error. */
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int ec_command(int command, const void *indata, int insize,
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void *outdata, int outsize);
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/* Returns the content of the EC information area mapped as "memory".
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*
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* the offsets are defined by the EC_MEMMAP_ constants. */
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uint8_t read_mapped_mem8(uint8_t offset);
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uint16_t read_mapped_mem16(uint8_t offset);
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uint32_t read_mapped_mem32(uint8_t offset);
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int read_mapped_string(uint8_t offset, char *buf);
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#endif /* COMM_HOST_H */
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