| /* |
| * Device model for Zynq ADC controller |
| * |
| * Copyright (c) 2015 Guenter Roeck <linux@roeck-us.net> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef ZYNQ_XADC_H |
| #define ZYNQ_XADC_H |
| |
| #include "hw/sysbus.h" |
| #include "qom/object.h" |
| |
| #define ZYNQ_XADC_MMIO_SIZE 0x0020 |
| #define ZYNQ_XADC_NUM_IO_REGS (ZYNQ_XADC_MMIO_SIZE / 4) |
| #define ZYNQ_XADC_NUM_ADC_REGS 128 |
| #define ZYNQ_XADC_FIFO_DEPTH 15 |
| |
| #define TYPE_ZYNQ_XADC "xlnx,zynq-xadc" |
| OBJECT_DECLARE_SIMPLE_TYPE(ZynqXADCState, ZYNQ_XADC) |
| |
| struct ZynqXADCState { |
| /*< private >*/ |
| SysBusDevice parent_obj; |
| |
| /*< public >*/ |
| MemoryRegion iomem; |
| |
| uint32_t regs[ZYNQ_XADC_NUM_IO_REGS]; |
| uint16_t xadc_regs[ZYNQ_XADC_NUM_ADC_REGS]; |
| uint16_t xadc_read_reg_previous; |
| uint16_t xadc_dfifo[ZYNQ_XADC_FIFO_DEPTH]; |
| uint16_t xadc_dfifo_entries; |
| |
| struct IRQState *qemu_irq; |
| |
| }; |
| |
| #endif /* ZYNQ_XADC_H */ |