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aspeed/i2c: Introduce an object class per SoC

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It prepares ground for register differences between SoCs.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190925143248.10000-16-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Cédric Le Goater 2019-09-25 16:32:40 +02:00 • committed by Peter Maydell
parent 36d737ee82
commit f7da1aa8fe
3 changed files with 69 additions and 9 deletions
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15
include/hw/i2c/aspeed_i2c.h
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@ -25,6 +25,8 @@
#include "hw/sysbus.h"
#define TYPE_ASPEED_I2C "aspeed.i2c"
#define TYPE_ASPEED_2400_I2C TYPE_ASPEED_I2C "-ast2400"
#define TYPE_ASPEED_2500_I2C TYPE_ASPEED_I2C "-ast2500"
#define ASPEED_I2C(obj) \
OBJECT_CHECK(AspeedI2CState, (obj), TYPE_ASPEED_I2C)
@ -59,6 +61,19 @@ typedef struct AspeedI2CState {
AspeedI2CBus busses[ASPEED_I2C_NR_BUSSES];
} AspeedI2CState;
#define ASPEED_I2C_CLASS(klass) \
OBJECT_CLASS_CHECK(AspeedI2CClass, (klass), TYPE_ASPEED_I2C)
#define ASPEED_I2C_GET_CLASS(obj) \
OBJECT_GET_CLASS(AspeedI2CClass, (obj), TYPE_ASPEED_I2C)
typedef struct AspeedI2CClass {
SysBusDeviceClass parent_class;
uint8_t num_busses;
uint8_t reg_size;
uint8_t gap;
} AspeedI2CClass;
I2CBus *aspeed_i2c_get_bus(DeviceState *dev, int busnr);
#endif /* ASPEED_I2C_H */