| 1 | /* |
| 2 | * Device model for Zynq ADC controller |
| 3 | * |
| 4 | * Copyright (c) 2015 Guenter Roeck <linux@roeck-us.net> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * You should have received a copy of the GNU General Public License along |
| 12 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
| 13 | */ |
| 14 | |
| 15 | #ifndef ZYNQ_XADC_H |
| 16 | #define ZYNQ_XADC_H |
| 17 | |
| 18 | #include "hw/core/sysbus.h" |
| 19 | #include "qom/object.h" |
| 20 | |
| 21 | #define ZYNQ_XADC_MMIO_SIZE 0x0020 |
| 22 | #define ZYNQ_XADC_NUM_IO_REGS (ZYNQ_XADC_MMIO_SIZE / 4) |
| 23 | #define ZYNQ_XADC_NUM_ADC_REGS 128 |
| 24 | #define ZYNQ_XADC_FIFO_DEPTH 15 |
| 25 | |
| 26 | #define TYPE_ZYNQ_XADC "xlnx-zynq-xadc" |
| 27 | OBJECT_DECLARE_SIMPLE_TYPE(ZynqXADCState, ZYNQ_XADC) |
| 28 | |
| 29 | struct ZynqXADCState { |
| 30 | /*< private >*/ |
| 31 | SysBusDevice parent_obj; |
| 32 | |
| 33 | /*< public >*/ |
| 34 | MemoryRegion iomem; |
| 35 | |
| 36 | uint32_t regs[ZYNQ_XADC_NUM_IO_REGS]; |
| 37 | uint16_t xadc_regs[ZYNQ_XADC_NUM_ADC_REGS]; |
| 38 | uint16_t xadc_read_reg_previous; |
| 39 | uint16_t xadc_dfifo[ZYNQ_XADC_FIFO_DEPTH]; |
| 40 | uint16_t xadc_dfifo_entries; |
| 41 | |
| 42 | qemu_irq irq; |
| 43 | }; |
| 44 | |
| 45 | #endif /* ZYNQ_XADC_H */ |