diff options
Diffstat (limited to 'hw/ipack.h')
-rw-r--r-- | hw/ipack.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/hw/ipack.h b/hw/ipack.h new file mode 100644 index 0000000..69e2628 --- /dev/null +++ b/hw/ipack.h @@ -0,0 +1,79 @@ +/* + * QEMU IndustryPack emulation + * + * Copyright (C) 2012 Igalia, S.L. + * Author: Alberto Garcia <agarcia@igalia.com> + * + * This code is licensed under the GNU GPL v2 or (at your option) any + * later version. + */ + +#ifndef QEMU_IPACK_H +#define QEMU_IPACK_H + +#include "qdev.h" + +typedef struct IPackBus IPackBus; + +#define TYPE_IPACK_BUS "IndustryPack" +#define IPACK_BUS(obj) OBJECT_CHECK(IPackBus, (obj), TYPE_IPACK_BUS) + +struct IPackBus { + BusState qbus; + /* All fields are private */ + uint8_t n_slots; + uint8_t free_slot; + qemu_irq_handler set_irq; +}; + +typedef struct IPackDevice IPackDevice; +typedef struct IPackDeviceClass IPackDeviceClass; + +#define TYPE_IPACK_DEVICE "ipack-device" +#define IPACK_DEVICE(obj) \ + OBJECT_CHECK(IPackDevice, (obj), TYPE_IPACK_DEVICE) +#define IPACK_DEVICE_CLASS(klass) \ + OBJECT_CLASS_CHECK(IPackDeviceClass, (klass), TYPE_IPACK_DEVICE) +#define IPACK_DEVICE_GET_CLASS(obj) \ + OBJECT_GET_CLASS(IPackDeviceClass, (obj), TYPE_IPACK_DEVICE) + +struct IPackDeviceClass { + DeviceClass parent_class; + + int (*init)(IPackDevice *dev); + int (*exit)(IPackDevice *dev); + + uint16_t (*io_read)(IPackDevice *dev, uint8_t addr); + void (*io_write)(IPackDevice *dev, uint8_t addr, uint16_t val); + + uint16_t (*id_read)(IPackDevice *dev, uint8_t addr); + void (*id_write)(IPackDevice *dev, uint8_t addr, uint16_t val); + + uint16_t (*int_read)(IPackDevice *dev, uint8_t addr); + void (*int_write)(IPackDevice *dev, uint8_t addr, uint16_t val); + + uint16_t (*mem_read16)(IPackDevice *dev, uint32_t addr); + void (*mem_write16)(IPackDevice *dev, uint32_t addr, uint16_t val); + + uint8_t (*mem_read8)(IPackDevice *dev, uint32_t addr); + void (*mem_write8)(IPackDevice *dev, uint32_t addr, uint8_t val); +}; + +struct IPackDevice { + DeviceState qdev; + int32_t slot; + /* IRQ objects for the IndustryPack INT0# and INT1# */ + qemu_irq *irq; +}; + +extern const VMStateDescription vmstate_ipack_device; + +#define VMSTATE_IPACK_DEVICE(_field, _state) \ + VMSTATE_STRUCT(_field, _state, 1, vmstate_ipack_device, IPackDevice) + +IPackDevice *ipack_device_find(IPackBus *bus, int32_t slot); +void ipack_bus_new_inplace(IPackBus *bus, DeviceState *parent, + const char *name, uint8_t n_slots, + qemu_irq_handler handler); + +#endif |