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 typedef struct IPackDevice IPackDevice; 34 typedef struct IPackDeviceClass IPackDeviceClass; 35 36 #define TYPE_IPACK_DEVICE "ipack-device" 37 DECLARE_OBJ_CHECKERS(IPackDevice, IPackDeviceClass, 38 IPACK_DEVICE, TYPE_IPACK_DEVICE) 39 40 struct IPackDeviceClass { 41 /*< private >*/ 42 DeviceClass parent_class; 43 /*< public >*/ 44 45 DeviceRealize realize; 46 DeviceUnrealize unrealize; 47 48 uint16_t (*io_read)(IPackDevice *dev, uint8_t addr); 49 void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 50 51 uint16_t (*id_read)(IPackDevice *dev, uint8_t addr); 52 void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 53 54 uint16_t (*int_read)(IPackDevice *dev, uint8_t addr); 55 void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val); 56 57 uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr); 58 void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val); 59 60 uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr); 61 void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val); 62 }; 63 64 struct IPackDevice { 65 /*< private >*/ 66 DeviceState parent_obj; 67 /*< public >*/ 68 69 int32_t slot; 70 /* IRQ objects for the IndustryPack INT0# and INT1# */ 71 qemu_irq *irq; 72 }; 73 74 extern const VMStateDescription vmstate_ipack_device; 75 76 #define VMSTATE_IPACK_DEVICE(_field, _state) \ 77 VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice) 78 79 IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot); 80 void ipack_bus_new_inplace(IPackBus *bus, size_t bus_size, 81 DeviceState *parent, 82 const char *name, uint8_t n_slots, 83 qemu_irq_handler handler); 84 85 #endif 86