1 /* 2 * PowerMac NewWorld MacIO GPIO emulation 3 * 4 * Copyright (c) 2016 Benjamin Herrenschmidt 5 * Copyright (c) 2018 Mark Cave-Ayland 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 26 #ifndef MACIO_GPIO_H 27 #define MACIO_GPIO_H 28 29 #include "hw/ppc/openpic.h" 30 #include "hw/sysbus.h" 31 #include "qom/object.h" 32 33 #define TYPE_MACIO_GPIO "macio-gpio" 34 typedef struct MacIOGPIOState MacIOGPIOState; 35 DECLARE_INSTANCE_CHECKER(MacIOGPIOState, MACIO_GPIO, 36 TYPE_MACIO_GPIO) 37 38 struct MacIOGPIOState { 39 /*< private >*/ 40 SysBusDevice parent; 41 /*< public >*/ 42 43 OpenPICState *pic; 44 45 MemoryRegion gpiomem; 46 qemu_irq gpio_extirqs[10]; 47 uint8_t gpio_levels[8]; 48 uint8_t gpio_regs[36]; /* XXX Check count */ 49 }; 50 51 void macio_set_gpio(MacIOGPIOState *s, uint32_t gpio, bool state); 52 53 #endif 54