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/*
* 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"
typedef struct ZynqXADCState ZynqXADCState;
#define ZYNQ_XADC(obj) \
OBJECT_CHECK(ZynqXADCState, (obj), TYPE_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 */
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