qemu/include/hw/i2c/i2c-ddc.h
Gerd Hoffmann 715eb05b78 i2c: switch ddc to use the new edid generator
This also makes the default display resolution configurable,
via xres and yres properties.  The default is 1024x768.

The old code had a hard-coded resolution of 1600x1200.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20181005110837.28209-1-kraxel@redhat.com
2018-10-15 09:57:33 +02:00

41 lines
1.2 KiB
C

/* 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
#include "hw/display/edid.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;
qemu_edid_info edid_info;
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 */