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-rw-r--r--hw/i2c.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/hw/i2c.c b/hw/i2c.c
index 23dfccb..296bece 100644
--- a/hw/i2c.c
+++ b/hw/i2c.c
@@ -17,13 +17,18 @@ struct i2c_bus
uint8_t saved_address;
};
-static struct BusInfo i2c_bus_info = {
- .name = "I2C",
- .size = sizeof(i2c_bus),
- .props = (Property[]) {
- DEFINE_PROP_UINT8("address", struct I2CSlave, address, 0),
- DEFINE_PROP_END_OF_LIST(),
- }
+static Property i2c_props[] = {
+ DEFINE_PROP_UINT8("address", struct I2CSlave, address, 0),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+#define TYPE_I2C_BUS "i2c-bus"
+#define I2C_BUS(obj) OBJECT_CHECK(i2c_bus, (obj), TYPE_I2C_BUS)
+
+static const TypeInfo i2c_bus_info = {
+ .name = TYPE_I2C_BUS,
+ .parent = TYPE_BUS,
+ .instance_size = sizeof(i2c_bus),
};
static void i2c_bus_pre_save(void *opaque)
@@ -61,7 +66,7 @@ i2c_bus *i2c_init_bus(DeviceState *parent, const char *name)
{
i2c_bus *bus;
- bus = FROM_QBUS(i2c_bus, qbus_create(&i2c_bus_info, parent, name));
+ bus = FROM_QBUS(i2c_bus, qbus_create(TYPE_I2C_BUS, parent, name));
vmstate_register(NULL, -1, &vmstate_i2c_bus, bus);
return bus;
}
@@ -81,11 +86,12 @@ int i2c_bus_busy(i2c_bus *bus)
/* TODO: Make this handle multiple masters. */
int i2c_start_transfer(i2c_bus *bus, uint8_t address, int recv)
{
- DeviceState *qdev;
+ BusChild *kid;
I2CSlave *slave = NULL;
I2CSlaveClass *sc;
- QTAILQ_FOREACH(qdev, &bus->qbus.children, sibling) {
+ QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
+ DeviceState *qdev = kid->child;
I2CSlave *candidate = I2C_SLAVE_FROM_QDEV(qdev);
if (candidate->address == address) {
slave = candidate;
@@ -218,7 +224,8 @@ static void i2c_slave_class_init(ObjectClass *klass, void *data)
{
DeviceClass *k = DEVICE_CLASS(klass);
k->init = i2c_slave_qdev_init;
- k->bus_info = &i2c_bus_info;
+ k->bus_type = TYPE_I2C_BUS;
+ k->props = i2c_props;
}
static TypeInfo i2c_slave_type_info = {
@@ -232,6 +239,7 @@ static TypeInfo i2c_slave_type_info = {
static void i2c_slave_register_types(void)
{
+ type_register_static(&i2c_bus_info);
type_register_static(&i2c_slave_type_info);
}
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