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 typedef struct IPackBus IPackBus; 18 19 #define TYPE_IPACK_BUS "IndustryPack" 20 DECLARE_INSTANCE_CHECKER(IPackBus, IPACK_BUS, 21 TYPE_IPACK_BUS) 22 23 struct IPackBus { 24 /*< private >*/ 25 BusState parent_obj; 26 27 /* All fields are private */ 28 uint8_t n_slots; 29 uint8_t free_slot; 30 qemu_irq_handler set_irq; 31 }; 32 33 34 #define TYPE_IPACK_DEVICE "ipack-device" 35 OBJECT_DECLARE_TYPE(IPackDevice, IPackDeviceClass, 36 ipack_device, IPACK_DEVICE) 37 38 struct IPackDeviceClass { 39 /*< private >*/ 40 DeviceClass parent_class; 41 /*< public >*/ 42 43 DeviceRealize realize; 44 DeviceUnrealize unrealize; 45 46 uint16_t (*io_read)(IPackDevice *dev, uint8_t addr); 47 void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 48 49 uint16_t (*id_read)(IPackDevice *dev, uint8_t addr); 50 void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 51 52 uint16_t (*int_read)(IPackDevice *dev, uint8_t addr); 53 void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 54 55 uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr); 56 void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val); 57 58 uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr); 59 void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val); 60 }; 61 62 struct IPackDevice { 63 /*< private >*/ 64 DeviceState parent_obj; 65 /*< public >*/ 66 67 int32_t slot; 68 /* IRQ objects for the IndustryPack INT0# and INT1# */ 69 qemu_irq *irq; 70 }; 71 72 extern const VMStateDescription vmstate_ipack_device; 73 74 #define VMSTATE_IPACK_DEVICE(_field, _state) \ 75 VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice) 76 77 IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot); 78 void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size, 79 DeviceState *parent, 80 const char *name, uint8_t n_slots, 81 qemu_irq_handler handler); 82 83 #endif 84