summaryrefslogtreecommitdiff
path: root/hw/i2c.h
diff options
context:
space:
mode:
Diffstat (limited to 'hw/i2c.h')
-rw-r--r--hw/i2c.h88
1 files changed, 0 insertions, 88 deletions
diff --git a/hw/i2c.h b/hw/i2c.h
deleted file mode 100644
index 461392f374..0000000000
--- a/hw/i2c.h
+++ /dev/null
@@ -1,88 +0,0 @@
-#ifndef QEMU_I2C_H
-#define QEMU_I2C_H
-
-#include "hw/qdev.h"
-
-/* The QEMU I2C implementation only supports simple transfers that complete
- immediately. It does not support slave devices that need to be able to
- defer their response (eg. CPU slave interfaces where the data is supplied
- by the device driver in response to an interrupt). */
-
-enum i2c_event {
- I2C_START_RECV,
- I2C_START_SEND,
- I2C_FINISH,
- I2C_NACK /* Masker NACKed a receive byte. */
-};
-
-typedef struct I2CSlave I2CSlave;
-
-#define TYPE_I2C_SLAVE "i2c-slave"
-#define I2C_SLAVE(obj) \
- OBJECT_CHECK(I2CSlave, (obj), TYPE_I2C_SLAVE)
-#define I2C_SLAVE_CLASS(klass) \
- OBJECT_CLASS_CHECK(I2CSlaveClass, (klass), TYPE_I2C_SLAVE)
-#define I2C_SLAVE_GET_CLASS(obj) \
- OBJECT_GET_CLASS(I2CSlaveClass, (obj), TYPE_I2C_SLAVE)
-
-typedef struct I2CSlaveClass
-{
- DeviceClass parent_class;
-
- /* Callbacks provided by the device. */
- int (*init)(I2CSlave *dev);
-
- /* Master to slave. */
- int (*send)(I2CSlave *s, uint8_t data);
-
- /* Slave to master. */
- int (*recv)(I2CSlave *s);
-
- /* Notify the slave of a bus state change. */
- void (*event)(I2CSlave *s, enum i2c_event event);
-} I2CSlaveClass;
-
-struct I2CSlave
-{
- DeviceState qdev;
-
- /* Remaining fields for internal use by the I2C code. */
- uint8_t address;
-};
-
-i2c_bus *i2c_init_bus(DeviceState *parent, const char *name);
-void i2c_set_slave_address(I2CSlave *dev, uint8_t address);
-int i2c_bus_busy(i2c_bus *bus);
-int i2c_start_transfer(i2c_bus *bus, uint8_t address, int recv);
-void i2c_end_transfer(i2c_bus *bus);
-void i2c_nack(i2c_bus *bus);
-int i2c_send(i2c_bus *bus, uint8_t data);
-int i2c_recv(i2c_bus *bus);
-
-#define FROM_I2C_SLAVE(type, dev) DO_UPCAST(type, i2c, dev)
-
-DeviceState *i2c_create_slave(i2c_bus *bus, const char *name, uint8_t addr);
-
-/* wm8750.c */
-void wm8750_data_req_set(DeviceState *dev,
- void (*data_req)(void *, int, int), void *opaque);
-void wm8750_dac_dat(void *opaque, uint32_t sample);
-uint32_t wm8750_adc_dat(void *opaque);
-void *wm8750_dac_buffer(void *opaque, int samples);
-void wm8750_dac_commit(void *opaque);
-void wm8750_set_bclk_in(void *opaque, int new_hz);
-
-/* lm832x.c */
-void lm832x_key_event(DeviceState *dev, int key, int state);
-
-extern const VMStateDescription vmstate_i2c_slave;
-
-#define VMSTATE_I2C_SLAVE(_field, _state) { \
- .name = (stringify(_field)), \
- .size = sizeof(I2CSlave), \
- .vmsd = &vmstate_i2c_slave, \
- .flags = VMS_STRUCT, \
- .offset = vmstate_offset_value(_state, _field, I2CSlave), \
-}
-
-#endif