xemu/hw/xbox/amd_smbus.h
2018-10-10 13:38:16 +10:00

48 lines
1.7 KiB
C

/*
* AMD756 SMBus implementation
*
* Copyright (C) 2012 espes
*
* 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.
*/
#ifndef AMD_SMBUS_H
#define AMD_SMBUS_H
typedef struct AMD756SMBus {
I2CBus *smbus;
uint8_t smb_stat;
uint8_t smb_ctl;
uint8_t smb_cmd;
uint8_t smb_addr;
uint8_t smb_data0;
uint8_t smb_data1;
uint8_t smb_data[32];
uint8_t smb_index;
qemu_irq irq;
} AMD756SMBus;
void amd756_smbus_init(DeviceState *parent, AMD756SMBus *smb, qemu_irq irq);
void amd756_smb_ioport_writeb(void *opaque, uint32_t addr, uint32_t val);
uint32_t amd756_smb_ioport_readb(void *opaque, uint32_t addr);
#endif /* !AMD_SMBUS_H */