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