1 /* 2 * QEMU IndustryPack emulation 3 * 4 * Copyright (C) 2012 Igalia, S.L. 5 * Author: Alberto Garcia <berto@igalia.com> 6 * 7 * This code is licensed under the GNU GPL v2 or (at your option) any 8 * later version. 9 */ 10 11 #ifndef QEMU_IPACK_H 12 #define QEMU_IPACK_H 13 14 #include "hw/qdev-core.h" 15 #include "hw/irq.h" 16 #include "qom/object.h" 17 18 19 #define TYPE_IPACK_BUS "IndustryPack" 20 OBJECT_DECLARE_SIMPLE_TYPE(IPackBus, IPACK_BUS) 21 22 struct IPackBus { 23 BusState parent_obj; 24 25 uint8_t n_slots; 26 uint8_t free_slot; 27 qemu_irq_handler set_irq; 28 }; 29 30 31 #define TYPE_IPACK_DEVICE "ipack-device" 32 OBJECT_DECLARE_TYPE(IPackDevice, IPackDeviceClass, 33 IPACK_DEVICE) 34 35 struct IPackDeviceClass { 36 /*< private >*/ 37 DeviceClass parent_class; 38 /*< public >*/ 39 40 DeviceRealize realize; 41 DeviceUnrealize unrealize; 42 43 uint16_t (*io_read)(IPackDevice *dev, uint8_t addr); 44 void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 45 46 uint16_t (*id_read)(IPackDevice *dev, uint8_t addr); 47 void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 48 49 uint16_t (*int_read)(IPackDevice *dev, uint8_t addr); 50 void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 51 52 uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr); 53 void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val); 54 55 uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr); 56 void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val); 57 }; 58 59 struct IPackDevice { 60 DeviceState parent_obj; 61 62 int32_t slot; 63 /* IRQ objects for the IndustryPack INT0# and INT1# */ 64 IRQState irq[2]; 65 }; 66 67 extern const VMStateDescription vmstate_ipack_device; 68 69 #define VMSTATE_IPACK_DEVICE(_field, _state) \ 70 VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice) 71 72 IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot); 73 void ipack_bus_init(IPackBus *bus, size_t bus_size, 74 DeviceState *parent, 75 uint8_t n_slots, 76 qemu_irq_handler handler); 77 78 #endif 79