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-rw-r--r--hw/i2c/i2c-ddc.c127
1 files changed, 0 insertions, 127 deletions
diff --git a/hw/i2c/i2c-ddc.c b/hw/i2c/i2c-ddc.c
deleted file mode 100644
index 7aa8727..0000000
--- a/hw/i2c/i2c-ddc.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/* 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/>.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "qemu/log.h"
-#include "hw/i2c/i2c.h"
-#include "hw/i2c/i2c-ddc.h"
-
-#ifndef DEBUG_I2CDDC
-#define DEBUG_I2CDDC 0
-#endif
-
-#define DPRINTF(fmt, ...) do { \
- if (DEBUG_I2CDDC) { \
- qemu_log("i2c-ddc: " fmt , ## __VA_ARGS__); \
- } \
-} while (0)
-
-static void i2c_ddc_reset(DeviceState *ds)
-{
- I2CDDCState *s = I2CDDC(ds);
-
- s->firstbyte = false;
- s->reg = 0;
-}
-
-static int i2c_ddc_event(I2CSlave *i2c, enum i2c_event event)
-{
- I2CDDCState *s = I2CDDC(i2c);
-
- if (event == I2C_START_SEND) {
- s->firstbyte = true;
- }
-
- return 0;
-}
-
-static uint8_t i2c_ddc_rx(I2CSlave *i2c)
-{
- I2CDDCState *s = I2CDDC(i2c);
-
- int value;
- value = s->edid_blob[s->reg % sizeof(s->edid_blob)];
- s->reg++;
- return value;
-}
-
-static int i2c_ddc_tx(I2CSlave *i2c, uint8_t data)
-{
- I2CDDCState *s = I2CDDC(i2c);
- if (s->firstbyte) {
- s->reg = data;
- s->firstbyte = false;
- DPRINTF("[EDID] Written new pointer: %u\n", data);
- return 0;
- }
-
- /* Ignore all writes */
- s->reg++;
- return 0;
-}
-
-static void i2c_ddc_init(Object *obj)
-{
- I2CDDCState *s = I2CDDC(obj);
-
- qemu_edid_generate(s->edid_blob, sizeof(s->edid_blob), &s->edid_info);
-}
-
-static const VMStateDescription vmstate_i2c_ddc = {
- .name = TYPE_I2CDDC,
- .version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_BOOL(firstbyte, I2CDDCState),
- VMSTATE_UINT8(reg, I2CDDCState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static Property i2c_ddc_properties[] = {
- DEFINE_EDID_PROPERTIES(I2CDDCState, edid_info),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void i2c_ddc_class_init(ObjectClass *oc, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(oc);
- I2CSlaveClass *isc = I2C_SLAVE_CLASS(oc);
-
- dc->reset = i2c_ddc_reset;
- dc->vmsd = &vmstate_i2c_ddc;
- dc->props = i2c_ddc_properties;
- isc->event = i2c_ddc_event;
- isc->recv = i2c_ddc_rx;
- isc->send = i2c_ddc_tx;
-}
-
-static TypeInfo i2c_ddc_info = {
- .name = TYPE_I2CDDC,
- .parent = TYPE_I2C_SLAVE,
- .instance_size = sizeof(I2CDDCState),
- .instance_init = i2c_ddc_init,
- .class_init = i2c_ddc_class_init
-};
-
-static void ddc_register_devices(void)
-{
- type_register_static(&i2c_ddc_info);
-}
-
-type_init(ddc_register_devices);