1 /* 2 * Allwinner I2C Bus Serial Interface registers definition 3 * 4 * Copyright (C) 2022 Strahinja Jankovic. <strahinja.p.jankovic@gmail.com> 5 * 6 * This file is derived from IMX I2C controller, 7 * by Jean-Christophe DUBOIS . 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by the 11 * Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, but WITHOUT 15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 17 * for more details. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, see <http://www.gnu.org/licenses/>. 21 * 22 */ 23 24 #ifndef ALLWINNER_I2C_H 25 #define ALLWINNER_I2C_H 26 27 #include "hw/sysbus.h" 28 #include "qom/object.h" 29 30 #define TYPE_AW_I2C "allwinner.i2c" 31 OBJECT_DECLARE_SIMPLE_TYPE(AWI2CState, AW_I2C) 32 33 #define AW_I2C_MEM_SIZE 0x24 34 35 struct AWI2CState { 36 /*< private >*/ 37 SysBusDevice parent_obj; 38 39 /*< public >*/ 40 MemoryRegion iomem; 41 I2CBus *bus; 42 qemu_irq irq; 43 44 uint8_t addr; 45 uint8_t xaddr; 46 uint8_t data; 47 uint8_t cntr; 48 uint8_t stat; 49 uint8_t ccr; 50 uint8_t srst; 51 uint8_t efr; 52 uint8_t lcr; 53 }; 54 55 #endif /* ALLWINNER_I2C_H */ 56