diff options
Diffstat (limited to 'include/hw/adc')
| -rw-r--r-- | include/hw/adc/max111x.h | 56 | ||||
| -rw-r--r-- | include/hw/adc/zynq-xadc.h | 46 |
2 files changed, 102 insertions, 0 deletions
diff --git a/include/hw/adc/max111x.h b/include/hw/adc/max111x.h new file mode 100644 index 0000000000..beff59c815 --- /dev/null +++ b/include/hw/adc/max111x.h @@ -0,0 +1,56 @@ +/* + * Maxim MAX1110/1111 ADC chip emulation. + * + * Copyright (c) 2006 Openedhand Ltd. + * Written by Andrzej Zaborowski <balrog@zabor.org> + * + * This code is licensed under the GNU GPLv2. + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#ifndef HW_MISC_MAX111X_H +#define HW_MISC_MAX111X_H + +#include "hw/ssi/ssi.h" +#include "qom/object.h" + +/* + * This is a model of the Maxim MAX1110/1111 ADC chip, which for QEMU + * is an SSI slave device. It has either 4 (max1110) or 8 (max1111) + * 8-bit ADC channels. + * + * QEMU interface: + * + GPIO inputs 0..3 (for max1110) or 0..7 (for max1111): set the value + * of each ADC input, as an unsigned 8-bit value + * + GPIO output 0: interrupt line + * + Properties "input0" to "input3" (max1110) or "input0" to "input7" + * (max1111): initial reset values for ADC inputs. + * + * Known bugs: + * + the interrupt line is not correctly implemented, and will never + * be lowered once it has been asserted. + */ +struct MAX111xState { + SSIPeripheral parent_obj; + + qemu_irq interrupt; + /* Values of inputs at system reset (settable by QOM property) */ + uint8_t reset_input[8]; + + uint8_t tb1, rb2, rb3; + int cycle; + + uint8_t input[8]; + int inputs, com; +}; + +#define TYPE_MAX_111X "max111x" + +OBJECT_DECLARE_SIMPLE_TYPE(MAX111xState, MAX_111X) + +#define TYPE_MAX_1110 "max1110" +#define TYPE_MAX_1111 "max1111" + +#endif diff --git a/include/hw/adc/zynq-xadc.h b/include/hw/adc/zynq-xadc.h new file mode 100644 index 0000000000..2017b7a803 --- /dev/null +++ b/include/hw/adc/zynq-xadc.h @@ -0,0 +1,46 @@ +/* + * 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 */ |