1 /* 2 * QEMU IRQ/GPIO common code. 3 * 4 * Copyright (c) 2016 Alistair Francis <alistair@alistair23.me>. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "hw/irq.h" 26 #include "hw/sysbus.h" 27 #include "qom/object.h" 28 29 #define TYPE_OR_IRQ "or-irq" 30 31 #define MAX_OR_LINES 16 32 33 typedef struct OrIRQState qemu_or_irq; 34 35 #define OR_IRQ(obj) OBJECT_CHECK(qemu_or_irq, (obj), TYPE_OR_IRQ) 36 37 struct OrIRQState { 38 DeviceState parent_obj; 39 40 qemu_irq out_irq; 41 qemu_irq *in_irqs; 42 bool levels[MAX_OR_LINES]; 43 uint16_t num_lines; 44 }; 45