projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 3b09bb0f BZ |
1 | /* |
| 2 | * PPC4xx I2C controller emulation | |
| 3 | * | |
| 4 | * Copyright (c) 2007 Jocelyn Mayer | |
| 7709dbf1 | 5 | * Copyright (c) 2012 François Revol |
| 39aeba6c | 6 | * Copyright (c) 2016-2018 BALATON Zoltan |
| 3b09bb0f BZ |
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 | ||
| 3b09bb0f BZ |
30 | #include "qemu-common.h" |
| 31 | #include "hw/sysbus.h" | |
| 32 | #include "hw/i2c/i2c.h" | |
| 33 | ||
| ef9173a5 BZ |
34 | /* from hw/i2c/bitbang_i2c.h */ |
| 35 | typedef struct bitbang_i2c_interface bitbang_i2c_interface; | |
| 36 | ||
| 3b09bb0f BZ |
37 | #define TYPE_PPC4xx_I2C "ppc4xx-i2c" |
| 38 | #define PPC4xx_I2C(obj) OBJECT_CHECK(PPC4xxI2CState, (obj), TYPE_PPC4xx_I2C) | |
| 39 | ||
| 40 | typedef struct PPC4xxI2CState { | |
| 41 | /*< private >*/ | |
| 42 | SysBusDevice parent_obj; | |
| 43 | ||
| 44 | /*< public >*/ | |
| 45 | I2CBus *bus; | |
| 46 | qemu_irq irq; | |
| 47 | MemoryRegion iomem; | |
| ef9173a5 | 48 | bitbang_i2c_interface *bitbang; |
| afb6e204 BZ |
49 | int mdidx; |
| 50 | uint8_t mdata[4]; | |
| 3b09bb0f BZ |
51 | uint8_t lmadr; |
| 52 | uint8_t hmadr; | |
| 53 | uint8_t cntl; | |
| 54 | uint8_t mdcntl; | |
| 55 | uint8_t sts; | |
| 56 | uint8_t extsts; | |
| 3b09bb0f BZ |
57 | uint8_t lsadr; |
| 58 | uint8_t hsadr; | |
| 59 | uint8_t clkdiv; | |
| 60 | uint8_t intrmsk; | |
| 61 | uint8_t xfrcnt; | |
| 62 | uint8_t xtcntlss; | |
| 63 | uint8_t directcntl; | |
| 64 | } PPC4xxI2CState; | |
| 65 | ||
| 66 | #endif /* PPC4XX_I2C_H */ |