1246f530cSCorey Minyard /* 2246f530cSCorey Minyard * Device model for Zynq ADC controller 3246f530cSCorey Minyard * 4246f530cSCorey Minyard * Copyright (c) 2015 Guenter Roeck <linux@roeck-us.net> 5246f530cSCorey Minyard * 6246f530cSCorey Minyard * This program is free software; you can redistribute it and/or 7246f530cSCorey Minyard * modify it under the terms of the GNU General Public License 8246f530cSCorey Minyard * as published by the Free Software Foundation; either version 9246f530cSCorey Minyard * 2 of the License, or (at your option) any later version. 10246f530cSCorey Minyard * 11246f530cSCorey Minyard * You should have received a copy of the GNU General Public License along 12246f530cSCorey Minyard * with this program; if not, see <http://www.gnu.org/licenses/>. 13246f530cSCorey Minyard */ 14246f530cSCorey Minyard 15246f530cSCorey Minyard #ifndef ZYNQ_XADC_H 16246f530cSCorey Minyard #define ZYNQ_XADC_H 17246f530cSCorey Minyard 18246f530cSCorey Minyard #include "hw/sysbus.h" 19246f530cSCorey Minyard #include "qom/object.h" 20246f530cSCorey Minyard 21246f530cSCorey Minyard #define ZYNQ_XADC_MMIO_SIZE 0x0020 22246f530cSCorey Minyard #define ZYNQ_XADC_NUM_IO_REGS (ZYNQ_XADC_MMIO_SIZE / 4) 23246f530cSCorey Minyard #define ZYNQ_XADC_NUM_ADC_REGS 128 24246f530cSCorey Minyard #define ZYNQ_XADC_FIFO_DEPTH 15 25246f530cSCorey Minyard 26246f530cSCorey Minyard #define TYPE_ZYNQ_XADC "xlnx-zynq-xadc" 27246f530cSCorey Minyard OBJECT_DECLARE_SIMPLE_TYPE(ZynqXADCState, ZYNQ_XADC) 28246f530cSCorey Minyard 29246f530cSCorey Minyard struct ZynqXADCState { 30246f530cSCorey Minyard /*< private >*/ 31246f530cSCorey Minyard SysBusDevice parent_obj; 32246f530cSCorey Minyard 33246f530cSCorey Minyard /*< public >*/ 34246f530cSCorey Minyard MemoryRegion iomem; 35246f530cSCorey Minyard 36246f530cSCorey Minyard uint32_t regs[ZYNQ_XADC_NUM_IO_REGS]; 37246f530cSCorey Minyard uint16_t xadc_regs[ZYNQ_XADC_NUM_ADC_REGS]; 38246f530cSCorey Minyard uint16_t xadc_read_reg_previous; 39246f530cSCorey Minyard uint16_t xadc_dfifo[ZYNQ_XADC_FIFO_DEPTH]; 40246f530cSCorey Minyard uint16_t xadc_dfifo_entries; 41246f530cSCorey Minyard 42*6e76d35fSPhilippe Mathieu-Daudé qemu_irq irq; 43246f530cSCorey Minyard }; 44246f530cSCorey Minyard 45246f530cSCorey Minyard #endif /* ZYNQ_XADC_H */ 46