[qemu.git] / include / hw / i2c / i2c-ddc.h

/* A simple I2C slave for returning monitor EDID data via DDC.
 *
 * Copyright (c) 2011 Linaro Limited
 * Written by Peter Maydell
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  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, see <http://www.gnu.org/licenses/>.
 */

#ifndef I2C_DDC_H
#define I2C_DDC_H

/* A simple I2C slave which just returns the contents of its EDID blob. */

struct I2CDDCState {
    /*< private >*/
    I2CSlave i2c;
    /*< public >*/
    bool firstbyte;
    uint8_t reg;
    uint8_t edid_blob[128];
};

typedef struct I2CDDCState I2CDDCState;

#define TYPE_I2CDDC "i2c-ddc"
#define I2CDDC(obj) OBJECT_CHECK(I2CDDCState, (obj), TYPE_I2CDDC)

#endif /* I2C_DDC_H */
Commit	Line	Data
78c71af8 PM	1	/* A simple I2C slave for returning monitor EDID data via DDC.
	2	*
	3	* Copyright (c) 2011 Linaro Limited
	4	* Written by Peter Maydell
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; if not, see <http://www.gnu.org/licenses/>.
	17	*/
	18
2a6a4076 MA	19	#ifndef I2C_DDC_H
2a6a4076 MA	20	#define I2C_DDC_H
78c71af8 PM	21
	22	/* A simple I2C slave which just returns the contents of its EDID blob. */
	23
	24	struct I2CDDCState {
	25	/< private >/
	26	I2CSlave i2c;
	27	/< public >/
	28	bool firstbyte;
	29	uint8_t reg;
	30	uint8_t edid_blob[128];
	31	};
	32
	33	typedef struct I2CDDCState I2CDDCState;
	34
	35	#define TYPE_I2CDDC "i2c-ddc"
	36	#define I2CDDC(obj) OBJECT_CHECK(I2CDDCState, (obj), TYPE_I2CDDC)
	37
2a6a4076	38	#endif /* I2C_DDC_H */