qemu-e2k/hw/smbus.h
ths 3fffc2234f PIIX4 SMBus host, EEPROM device emulation, by Ed Swierk.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2379 c046a42c-6fe2-441c-8c8c-71466251a162
2007-02-02 03:13:18 +00:00

39 lines
1.7 KiB
C

/*
* QEMU SMBus API
*
* Copyright (c) 2007 Arastra, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
typedef struct SMBusDevice SMBusDevice;
struct SMBusDevice {
uint8_t addr;
void (*quick_cmd)(SMBusDevice *dev, uint8_t read);
void (*send_byte)(SMBusDevice *dev, uint8_t val);
uint8_t (*receive_byte)(SMBusDevice *dev);
void (*write_byte)(SMBusDevice *dev, uint8_t cmd, uint8_t val);
uint8_t (*read_byte)(SMBusDevice *dev, uint8_t cmd);
void (*write_word)(SMBusDevice *dev, uint8_t cmd, uint16_t val);
uint16_t (*read_word)(SMBusDevice *dev, uint8_t cmd);
void (*write_block)(SMBusDevice *dev, uint8_t cmd, uint8_t len, uint8_t *buf);
uint8_t (*read_block)(SMBusDevice *dev, uint8_t cmd, uint8_t *buf);
};