qemu

FORK: QEMU emulator
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i2c-ddc.h (1198B)

      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 
     19 #ifndef I2C_DDC_H
     20 #define I2C_DDC_H
     21 
     22 #include "hw/display/edid.h"
     23 #include "hw/i2c/i2c.h"
     24 #include "qom/object.h"
     25 
     26 /* A simple I2C slave which just returns the contents of its EDID blob. */
     27 struct I2CDDCState {
     28     /*< private >*/
     29     I2CSlave i2c;
     30     /*< public >*/
     31     bool firstbyte;
     32     uint8_t reg;
     33     qemu_edid_info edid_info;
     34     uint8_t edid_blob[128];
     35 };
     36 
     37 
     38 #define TYPE_I2CDDC "i2c-ddc"
     39 OBJECT_DECLARE_SIMPLE_TYPE(I2CDDCState, I2CDDC)
     40 
     41 #endif /* I2C_DDC_H */