vpc: Fix bdrv_open() error handling

[qemu.git] / hw / i2c.h

diff --git a/hw/i2c.h b/hw/i2c.h
index 723dbdc1e3b3f3aacb838eef7f6b9eebeeb30b89..883b5c588d251edfc3f0f6425b0ab1247f79d52e 100644 (file)
--- a/hw/i2c.h
+++ b/hw/i2c.h
@@ -15,74 +15,57 @@ enum i2c_event {
     I2C_NACK /* Masker NACKed a receive byte.  */
 };
 
-/* Master to slave.  */
-typedef int (*i2c_send_cb)(i2c_slave *s, uint8_t data);
-/* Slave to master.  */
-typedef int (*i2c_recv_cb)(i2c_slave *s);
-/* Notify the slave of a bus state change.  */
-typedef void (*i2c_event_cb)(i2c_slave *s, enum i2c_event event);
+typedef struct I2CSlave I2CSlave;
 
-typedef void (*i2c_slave_initfn)(i2c_slave *dev);
+#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;
 
-typedef struct {
     /* Callbacks provided by the device.  */
-    i2c_slave_initfn init;
-    i2c_event_cb event;
-    i2c_recv_cb recv;
-    i2c_send_cb send;
-} I2CSlaveInfo;
+    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 i2c_slave
+struct I2CSlave
 {
     DeviceState qdev;
-    I2CSlaveInfo *info;
-    /* FIXME: These 3 should go away once all devices have been converted.  */
-    i2c_event_cb event;
-    i2c_recv_cb recv;
-    i2c_send_cb send;
 
     /* Remaining fields for internal use by the I2C code.  */
-    int address;
-    void *next;
-    i2c_bus *bus;
+    uint8_t address;
 };
 
-i2c_bus *i2c_init_bus(void);
-i2c_slave *i2c_slave_init(i2c_bus *bus, int address, int size);
-void i2c_set_slave_address(i2c_slave *dev, int 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, int address, int recv);
+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);
-void i2c_slave_save(QEMUFile *f, i2c_slave *dev);
-void i2c_slave_load(QEMUFile *f, i2c_slave *dev);
 
-#define I2C_SLAVE_FROM_QDEV(dev) DO_UPCAST(i2c_slave, qdev, dev)
+#define I2C_SLAVE_FROM_QDEV(dev) DO_UPCAST(I2CSlave, qdev, dev)
 #define FROM_I2C_SLAVE(type, dev) DO_UPCAST(type, i2c, dev)
 
-void i2c_register_slave(const char *name, int size, I2CSlaveInfo *type);
-
-DeviceState *i2c_create_slave(i2c_bus *bus, const char *name, int addr);
-
-/* max111x.c */
-typedef struct MAX111xState MAX111xState;
-uint32_t max111x_read(void *opaque);
-void max111x_write(void *opaque, uint32_t value);
-MAX111xState *max1110_init(qemu_irq cb);
-MAX111xState *max1111_init(qemu_irq cb);
-void max111x_set_input(MAX111xState *s, int line, uint8_t value);
-
-/* max7310.c */
-void max7310_reset(i2c_slave *i2c);
-qemu_irq *max7310_gpio_in_get(i2c_slave *i2c);
-void max7310_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler);
+DeviceState *i2c_create_slave(i2c_bus *bus, const char *name, uint8_t addr);
 
 /* wm8750.c */
-i2c_slave *wm8750_init(i2c_bus *bus);
-void wm8750_reset(i2c_slave *i2c);
-void wm8750_data_req_set(i2c_slave *i2c,
+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);
@@ -90,15 +73,17 @@ void *wm8750_dac_buffer(void *opaque, int samples);
 void wm8750_dac_commit(void *opaque);
 void wm8750_set_bclk_in(void *opaque, int new_hz);
 
-/* twl92230.c */
-i2c_slave *twl92230_init(i2c_bus *bus, qemu_irq irq);
-qemu_irq *twl92230_gpio_in_get(i2c_slave *i2c);
-void twl92230_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler);
+/* lm832x.c */
+void lm832x_key_event(DeviceState *dev, int key, int state);
 
-/* tmp105.c */
-void tmp105_set(i2c_slave *i2c, int temp);
+extern const VMStateDescription vmstate_i2c_slave;
 
-/* lm832x.c */
-void lm832x_key_event(i2c_slave *i2c, int key, int state);
+#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