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SMBus qdev conversion

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Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2009-05-14 22:35:08 +01:00
parent fd1eb2ea42
commit 1ea96673c6
5 changed files with 78 additions and 51 deletions
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25
hw/smbus.h
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@ -28,7 +28,16 @@ struct SMBusDevice {
/* The SMBus protocol is implemented on top of I2C. */
i2c_slave i2c;
/* Callbacks set by the device. */
/* Remaining fields for internal use only. */
int mode;
int data_len;
uint8_t data_buf[34]; /* command + len + 32 bytes of data. */
uint8_t command;
};
typedef struct {
I2CSlaveInfo i2c;
void (*init)(SMBusDevice *dev);
void (*quick_cmd)(SMBusDevice *dev, uint8_t read);
void (*send_byte)(SMBusDevice *dev, uint8_t val);
uint8_t (*receive_byte)(SMBusDevice *dev);
@ -42,16 +51,9 @@ struct SMBusDevice {
byte at a time. The device is responsible for adding the length
byte on block reads. */
uint8_t (*read_data)(SMBusDevice *dev, uint8_t cmd, int n);
} SMBusDeviceInfo;
/* Remaining fields for internal use only. */
int mode;
int data_len;
uint8_t data_buf[34]; /* command + len + 32 bytes of data. */
uint8_t command;
};
/* Create a slave device. */
SMBusDevice *smbus_device_init(i2c_bus *bus, int address, int size);
void smbus_register_device(const char *name, int size, SMBusDeviceInfo *info);
/* Master device commands. */
void smbus_quick_command(i2c_bus *bus, int addr, int read);
@ -64,6 +66,3 @@ void smbus_write_word(i2c_bus *bus, int addr, uint8_t command, uint16_t data);
int smbus_read_block(i2c_bus *bus, int addr, uint8_t command, uint8_t *data);
void smbus_write_block(i2c_bus *bus, int addr, uint8_t command, uint8_t *data,
int len);
/* smbus_eeprom.c */
void smbus_eeprom_device_init(i2c_bus *bus, uint8_t addr, uint8_t *buf);