49 lines
2.0 KiB
C
49 lines
2.0 KiB
C
/* $NetBSD: ddcvar.h,v 1.3 2015/05/17 01:27:16 jmcneill Exp $ */
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/*-
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* Copyright (c) 2006 Itronix Inc.
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* All rights reserved.
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*
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* Written by Garrett D'Amore for Itronix Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of Itronix Inc. may not be used to endorse
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* or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_I2C_DDCVAR_H_
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#define _DEV_I2C_DDCVAR_H_
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int ddc_dev_read_edid(device_t, u_int8_t *, size_t);
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int ddc_dev_read_edid_block(device_t, u_int8_t *, size_t, uint8_t);
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/*
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* display drivers can use this to access DDC without using the
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* autoconfiguration framework.
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*/
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int ddc_read_edid(i2c_tag_t, u_int8_t *, size_t);
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int ddc_read_edid_block(i2c_tag_t, u_int8_t *, size_t, uint8_t);
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#endif /* _DEV_I2C_DDCVAR_H_ */
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