LXR qemu/include/hw/i2c/i2c-ddc.h

   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/* A simple I2C slave which just returns the contents of its EDID blob. */
  23
  24struct I2CDDCState {
  25    /*< private >*/
  26    I2CSlave i2c;
  27    /*< public >*/
  28    bool firstbyte;
  29    uint8_t reg;
  30    uint8_t edid_blob[128];
  31};
  32
  33typedef struct I2CDDCState I2CDDCState;
  34
  35#define TYPE_I2CDDC "i2c-ddc"
  36#define I2CDDC(obj) OBJECT_CHECK(I2CDDCState, (obj), TYPE_I2CDDC)
  37
  38#endif /* I2C_DDC_H */
  39