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 32 /** Allwinner I2C sun6i family and newer (A31, H2+, H3, etc) */ 33 #define TYPE_AW_I2C_SUN6I TYPE_AW_I2C "-sun6i" 34 35 OBJECT_DECLARE_SIMPLE_TYPE(AWI2CState, AW_I2C) 36 37 #define AW_I2C_MEM_SIZE 0x24 38 39 struct AWI2CState { 40 /*< private >*/ 41 SysBusDevice parent_obj; 42 43 /*< public >*/ 44 MemoryRegion iomem; 45 I2CBus *bus; 46 qemu_irq irq; 47 48 uint8_t addr; 49 uint8_t xaddr; 50 uint8_t data; 51 uint8_t cntr; 52 uint8_t stat; 53 uint8_t ccr; 54 uint8_t srst; 55 uint8_t efr; 56 uint8_t lcr; 57 58 bool irq_clear_inverted; 59 }; 60 61 #endif /* ALLWINNER_I2C_H */ 62