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 "qom/object.h" 16 17 18 #define TYPE_IPACK_BUS "IndustryPack" 19 OBJECT_DECLARE_SIMPLE_TYPE(IPackBus, IPACK_BUS) 20 21 struct IPackBus { 22 /*< private >*/ 23 BusState parent_obj; 24 25 /* All fields are private */ 26 uint8_t n_slots; 27 uint8_t free_slot; 28 qemu_irq_handler set_irq; 29 }; 30 31 32 #define TYPE_IPACK_DEVICE "ipack-device" 33 OBJECT_DECLARE_TYPE(IPackDevice, IPackDeviceClass, 34 IPACK_DEVICE) 35 36 struct IPackDeviceClass { 37 /*< private >*/ 38 DeviceClass parent_class; 39 /*< public >*/ 40 41 DeviceRealize realize; 42 DeviceUnrealize unrealize; 43 44 uint16_t (*io_read)(IPackDevice *dev, uint8_t addr); 45 void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 46 47 uint16_t (*id_read)(IPackDevice *dev, uint8_t addr); 48 void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 49 50 uint16_t (*int_read)(IPackDevice *dev, uint8_t addr); 51 void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 52 53 uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr); 54 void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val); 55 56 uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr); 57 void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val); 58 }; 59 60 struct IPackDevice { 61 /*< private >*/ 62 DeviceState parent_obj; 63 /*< public >*/ 64 65 int32_t slot; 66 /* IRQ objects for the IndustryPack INT0# and INT1# */ 67 qemu_irq *irq; 68 }; 69 70 extern const VMStateDescription vmstate_ipack_device; 71 72 #define VMSTATE_IPACK_DEVICE(_field, _state) \ 73 VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice) 74 75 IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot); 76 void ipack_bus_init(IPackBus *bus, size_t bus_size, 77 DeviceState *parent, 78 uint8_t n_slots, 79 qemu_irq_handler handler); 80 81 #endif 82