| 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/core/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 */ |