From dc288de082a3e4e6970737fde2286bfc1d5ab9d7 Mon Sep 17 00:00:00 2001 From: Michael Rolnik Date: Fri, 24 Jan 2020 01:51:19 +0100 Subject: hw/misc: avr: Add limited support for power reduction device This is a simple device of just one register, and whenever this register is written to it calls qemu_set_irq function for each of 8 bits/IRQs. It is used to implement AVR Power Reduction. [AM: Remove word 'Atmel' from filenames and all elements of code] Suggested-by: Aleksandar Markovic Signed-off-by: Michael Rolnik Signed-off-by: Philippe Mathieu-Daudé [rth: Squash include fix and file rename from f4bug] Signed-off-by: Richard Henderson Signed-off-by: Aleksandar Markovic Reviewed-by: Alex Bennée Signed-off-by: Thomas Huth Message-Id: <20200705140315.260514-22-huth@tuxfamily.org> --- include/hw/misc/avr_power.h | 46 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 include/hw/misc/avr_power.h (limited to 'include') diff --git a/include/hw/misc/avr_power.h b/include/hw/misc/avr_power.h new file mode 100644 index 0000000000..e08e44f629 --- /dev/null +++ b/include/hw/misc/avr_power.h @@ -0,0 +1,46 @@ +/* + * AVR Power Reduction Management + * + * Copyright (c) 2019-2020 Michael Rolnik + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef HW_MISC_AVR_POWER_H +#define HW_MISC_AVR_POWER_H + +#include "hw/sysbus.h" +#include "hw/hw.h" + + +#define TYPE_AVR_MASK "avr-power" +#define AVR_MASK(obj) OBJECT_CHECK(AVRMaskState, (obj), TYPE_AVR_MASK) + +typedef struct { + /* */ + SysBusDevice parent_obj; + + /* */ + MemoryRegion iomem; + + uint8_t val; + qemu_irq irq[8]; +} AVRMaskState; + +#endif /* HW_MISC_AVR_POWER_H */ -- cgit v1.2.3-55-g7522