1d7ea91500
.. and clean up not longer needed conditionals in DSTD build code. applesmc AML will be fetched and included when ISA bridge will build its own AML code (incl. attached devices). Expected AML change: the device under separate _SB.PCI0.ISA scope is moved directly under Device(ISA) node. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Message-Id: <20220608135340.3304695-25-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
135 lines
4.1 KiB
C
135 lines
4.1 KiB
C
#ifndef HW_ISA_H
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#define HW_ISA_H
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/* ISA bus */
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#include "exec/memory.h"
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#include "exec/ioport.h"
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#include "hw/qdev-core.h"
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#include "qom/object.h"
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#define ISA_NUM_IRQS 16
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#define TYPE_ISA_DEVICE "isa-device"
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OBJECT_DECLARE_TYPE(ISADevice, ISADeviceClass, ISA_DEVICE)
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#define TYPE_ISA_BUS "ISA"
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OBJECT_DECLARE_SIMPLE_TYPE(ISABus, ISA_BUS)
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#define TYPE_ISADMA "isa-dma"
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typedef struct IsaDmaClass IsaDmaClass;
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DECLARE_CLASS_CHECKERS(IsaDmaClass, ISADMA,
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TYPE_ISADMA)
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#define ISADMA(obj) \
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INTERFACE_CHECK(IsaDma, (obj), TYPE_ISADMA)
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typedef enum {
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ISADMA_TRANSFER_VERIFY,
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ISADMA_TRANSFER_READ,
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ISADMA_TRANSFER_WRITE,
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ISADMA_TRANSFER_ILLEGAL,
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} IsaDmaTransferMode;
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typedef int (*IsaDmaTransferHandler)(void *opaque, int nchan, int pos,
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int size);
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struct IsaDmaClass {
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InterfaceClass parent;
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bool (*has_autoinitialization)(IsaDma *obj, int nchan);
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int (*read_memory)(IsaDma *obj, int nchan, void *buf, int pos, int len);
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int (*write_memory)(IsaDma *obj, int nchan, void *buf, int pos, int len);
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void (*hold_DREQ)(IsaDma *obj, int nchan);
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void (*release_DREQ)(IsaDma *obj, int nchan);
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void (*schedule)(IsaDma *obj);
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void (*register_channel)(IsaDma *obj, int nchan,
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IsaDmaTransferHandler transfer_handler,
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void *opaque);
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};
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struct ISADeviceClass {
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DeviceClass parent_class;
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};
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struct ISABus {
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/*< private >*/
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BusState parent_obj;
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/*< public >*/
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MemoryRegion *address_space;
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MemoryRegion *address_space_io;
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qemu_irq *irqs;
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IsaDma *dma[2];
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};
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struct ISADevice {
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/*< private >*/
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DeviceState parent_obj;
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/*< public >*/
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int ioport_id;
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};
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ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space,
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MemoryRegion *address_space_io, Error **errp);
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void isa_bus_irqs(ISABus *bus, qemu_irq *irqs);
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qemu_irq isa_get_irq(ISADevice *dev, unsigned isairq);
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void isa_connect_gpio_out(ISADevice *isadev, int gpioirq, unsigned isairq);
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void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16);
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IsaDma *isa_get_dma(ISABus *bus, int nchan);
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MemoryRegion *isa_address_space(ISADevice *dev);
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MemoryRegion *isa_address_space_io(ISADevice *dev);
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ISADevice *isa_new(const char *name);
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ISADevice *isa_try_new(const char *name);
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bool isa_realize_and_unref(ISADevice *dev, ISABus *bus, Error **errp);
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ISADevice *isa_create_simple(ISABus *bus, const char *name);
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ISADevice *isa_vga_init(ISABus *bus);
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void isa_build_aml(ISABus *bus, Aml *scope);
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/**
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* isa_register_ioport: Install an I/O port region on the ISA bus.
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*
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* Register an I/O port region via memory_region_add_subregion
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* inside the ISA I/O address space.
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*
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* @dev: the ISADevice against which these are registered; may be NULL.
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* @io: the #MemoryRegion being registered.
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* @start: the base I/O port.
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*/
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void isa_register_ioport(ISADevice *dev, MemoryRegion *io, uint16_t start);
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/**
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* isa_register_portio_list: Initialize a set of ISA io ports
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*
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* Several ISA devices have many dis-joint I/O ports. Worse, these I/O
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* ports can be interleaved with I/O ports from other devices. This
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* function makes it easy to create multiple MemoryRegions for a single
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* device and use the legacy portio routines.
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*
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* @dev: the ISADevice against which these are registered; may be NULL.
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* @piolist: the PortioList associated with the io ports
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* @start: the base I/O port against which the portio->offset is applied.
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* @portio: the ports, sorted by offset.
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* @opaque: passed into the portio callbacks.
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* @name: passed into memory_region_init_io.
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*
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* Returns: 0 on success, negative error code otherwise (e.g. if the
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* ISA bus is not available)
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*/
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int isa_register_portio_list(ISADevice *dev,
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PortioList *piolist,
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uint16_t start,
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const MemoryRegionPortio *portio,
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void *opaque, const char *name);
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static inline ISABus *isa_bus_from_device(ISADevice *d)
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{
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return ISA_BUS(qdev_get_parent_bus(DEVICE(d)));
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}
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#define TYPE_PIIX4_PCI_DEVICE "piix4-isa"
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#endif
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