diff options
Diffstat (limited to 'qemu/include/hw/isa/isa.h')
| -rw-r--r-- | qemu/include/hw/isa/isa.h | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/qemu/include/hw/isa/isa.h b/qemu/include/hw/isa/isa.h deleted file mode 100644 index ffb2ea7cd..000000000 --- a/qemu/include/hw/isa/isa.h +++ /dev/null @@ -1,152 +0,0 @@ -#ifndef HW_ISA_H -#define HW_ISA_H - -/* ISA bus */ - -#include "exec/ioport.h" -#include "exec/memory.h" -#include "hw/qdev.h" - -#define ISA_NUM_IRQS 16 - -#define TYPE_ISA_DEVICE "isa-device" -#define ISA_DEVICE(obj) \ - OBJECT_CHECK(ISADevice, (obj), TYPE_ISA_DEVICE) -#define ISA_DEVICE_CLASS(klass) \ - OBJECT_CLASS_CHECK(ISADeviceClass, (klass), TYPE_ISA_DEVICE) -#define ISA_DEVICE_GET_CLASS(obj) \ - OBJECT_GET_CLASS(ISADeviceClass, (obj), TYPE_ISA_DEVICE) - -#define TYPE_ISA_BUS "ISA" -#define ISA_BUS(obj) OBJECT_CHECK(ISABus, (obj), TYPE_ISA_BUS) - -#define TYPE_APPLE_SMC "isa-applesmc" -#define APPLESMC_MAX_DATA_LENGTH 32 -#define APPLESMC_PROP_IO_BASE "iobase" - -static inline uint16_t applesmc_port(void) -{ - Object *obj = object_resolve_path_type("", TYPE_APPLE_SMC, NULL); - - if (obj) { - return object_property_get_int(obj, APPLESMC_PROP_IO_BASE, NULL); - } - return 0; -} - -#define TYPE_ISADMA "isa-dma" - -#define ISADMA_CLASS(klass) \ - OBJECT_CLASS_CHECK(IsaDmaClass, (klass), TYPE_ISADMA) -#define ISADMA_GET_CLASS(obj) \ - OBJECT_GET_CLASS(IsaDmaClass, (obj), TYPE_ISADMA) -#define ISADMA(obj) \ - INTERFACE_CHECK(IsaDma, (obj), TYPE_ISADMA) - -struct IsaDma { - Object parent; -}; - -typedef enum { - ISADMA_TRANSFER_VERIFY, - ISADMA_TRANSFER_READ, - ISADMA_TRANSFER_WRITE, - ISADMA_TRANSFER_ILLEGAL, -} IsaDmaTransferMode; - -typedef int (*IsaDmaTransferHandler)(void *opaque, int nchan, int pos, - int size); - -typedef struct IsaDmaClass { - InterfaceClass parent; - - IsaDmaTransferMode (*get_transfer_mode)(IsaDma *obj, int nchan); - bool (*has_autoinitialization)(IsaDma *obj, int nchan); - int (*read_memory)(IsaDma *obj, int nchan, void *buf, int pos, int len); - int (*write_memory)(IsaDma *obj, int nchan, void *buf, int pos, int len); - void (*hold_DREQ)(IsaDma *obj, int nchan); - void (*release_DREQ)(IsaDma *obj, int nchan); - void (*schedule)(IsaDma *obj); - void (*register_channel)(IsaDma *obj, int nchan, - IsaDmaTransferHandler transfer_handler, - void *opaque); -} IsaDmaClass; - -typedef struct ISADeviceClass { - DeviceClass parent_class; -} ISADeviceClass; - -struct ISABus { - /*< private >*/ - BusState parent_obj; - /*< public >*/ - - MemoryRegion *address_space; - MemoryRegion *address_space_io; - qemu_irq *irqs; - IsaDma *dma[2]; -}; - -struct ISADevice { - /*< private >*/ - DeviceState parent_obj; - /*< public >*/ - - uint32_t isairq[2]; - int nirqs; - int ioport_id; -}; - -ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space, - MemoryRegion *address_space_io, Error **errp); -void isa_bus_irqs(ISABus *bus, qemu_irq *irqs); -qemu_irq isa_get_irq(ISADevice *dev, int isairq); -void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq); -void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16); -IsaDma *isa_get_dma(ISABus *bus, int nchan); -MemoryRegion *isa_address_space(ISADevice *dev); -MemoryRegion *isa_address_space_io(ISADevice *dev); -ISADevice *isa_create(ISABus *bus, const char *name); -ISADevice *isa_try_create(ISABus *bus, const char *name); -ISADevice *isa_create_simple(ISABus *bus, const char *name); - -ISADevice *isa_vga_init(ISABus *bus); - -/** - * isa_register_ioport: Install an I/O port region on the ISA bus. - * - * Register an I/O port region via memory_region_add_subregion - * inside the ISA I/O address space. - * - * @dev: the ISADevice against which these are registered; may be NULL. - * @io: the #MemoryRegion being registered. - * @start: the base I/O port. - */ -void isa_register_ioport(ISADevice *dev, MemoryRegion *io, uint16_t start); - -/** - * isa_register_portio_list: Initialize a set of ISA io ports - * - * Several ISA devices have many dis-joint I/O ports. Worse, these I/O - * ports can be interleaved with I/O ports from other devices. This - * function makes it easy to create multiple MemoryRegions for a single - * device and use the legacy portio routines. - * - * @dev: the ISADevice against which these are registered; may be NULL. - * @start: the base I/O port against which the portio->offset is applied. - * @portio: the ports, sorted by offset. - * @opaque: passed into the portio callbacks. - * @name: passed into memory_region_init_io. - */ -void isa_register_portio_list(ISADevice *dev, uint16_t start, - const MemoryRegionPortio *portio, - void *opaque, const char *name); - -static inline ISABus *isa_bus_from_device(ISADevice *d) -{ - return ISA_BUS(qdev_get_parent_bus(DEVICE(d))); -} - -/* i8257.c */ -void DMA_init(ISABus *bus, int high_page_enable); -#endif |