xref: /openbmc/qemu/include/hw/ppc/pnv_i2c.h (revision b8116f4c)
1 /*
2  * QEMU PowerPC PowerNV Processor I2C model
3  *
4  * Copyright (c) 2019-2023, IBM Corporation.
5  *
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #ifndef PPC_PNV_I2C_H
10 #define PPC_PNV_I2C_H
11 
12 #include "hw/ppc/pnv.h"
13 #include "hw/i2c/i2c.h"
14 #include "qemu/fifo8.h"
15 
16 #define TYPE_PNV_I2C "pnv-i2c"
17 #define PNV_I2C(obj) OBJECT_CHECK(PnvI2C, (obj), TYPE_PNV_I2C)
18 
19 #define PNV_I2C_REGS 0x20
20 
21 typedef struct PnvI2C {
22     DeviceState parent;
23 
24     struct PnvChip *chip;
25 
26     qemu_irq psi_irq;
27 
28     uint64_t regs[PNV_I2C_REGS];
29     uint32_t engine;
30     uint32_t num_busses;
31     I2CBus **busses;
32 
33     MemoryRegion xscom_regs;
34 
35     Fifo8 fifo;
36 } PnvI2C;
37 
38 #endif /* PPC_PNV_I2C_H */
39