Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2021-10-15' into staging
[qemu.git] / include / hw / i2c / ppc4xx_i2c.h
1 /*
2 * PPC4xx I2C controller emulation
3 *
4 * Copyright (c) 2007 Jocelyn Mayer
5 * Copyright (c) 2012 Fran├žois Revol
6 * Copyright (c) 2016-2018 BALATON Zoltan
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 */
26
27 #ifndef PPC4XX_I2C_H
28 #define PPC4XX_I2C_H
29
30 #include "hw/sysbus.h"
31 #include "hw/i2c/bitbang_i2c.h"
32 #include "qom/object.h"
33
34 #define TYPE_PPC4xx_I2C "ppc4xx-i2c"
35 OBJECT_DECLARE_SIMPLE_TYPE(PPC4xxI2CState, PPC4xx_I2C)
36
37 struct PPC4xxI2CState {
38 /*< private >*/
39 SysBusDevice parent_obj;
40
41 /*< public >*/
42 I2CBus *bus;
43 qemu_irq irq;
44 MemoryRegion iomem;
45 bitbang_i2c_interface bitbang;
46 int mdidx;
47 uint8_t mdata[4];
48 uint8_t lmadr;
49 uint8_t hmadr;
50 uint8_t cntl;
51 uint8_t mdcntl;
52 uint8_t sts;
53 uint8_t extsts;
54 uint8_t lsadr;
55 uint8_t hsadr;
56 uint8_t clkdiv;
57 uint8_t intrmsk;
58 uint8_t xfrcnt;
59 uint8_t xtcntlss;
60 uint8_t directcntl;
61 };
62
63 #endif /* PPC4XX_I2C_H */