2008-08-30 11:51:20 +02:00
|
|
|
#ifndef HW_ISA_H
|
|
|
|
#define HW_ISA_H
|
2009-07-31 12:30:14 +02:00
|
|
|
|
2007-11-17 18:14:51 +01:00
|
|
|
/* ISA bus */
|
|
|
|
|
2009-07-02 12:32:06 +02:00
|
|
|
#include "ioport.h"
|
2011-08-08 15:09:21 +02:00
|
|
|
#include "memory.h"
|
2009-07-31 12:30:14 +02:00
|
|
|
#include "qdev.h"
|
|
|
|
|
2011-10-07 09:19:35 +02:00
|
|
|
#define ISA_NUM_IRQS 16
|
|
|
|
|
2009-07-31 12:30:14 +02:00
|
|
|
typedef struct ISADevice ISADevice;
|
|
|
|
typedef struct ISADeviceInfo ISADeviceInfo;
|
|
|
|
|
|
|
|
struct ISADevice {
|
|
|
|
DeviceState qdev;
|
2009-08-14 11:36:14 +02:00
|
|
|
uint32_t isairq[2];
|
2011-08-11 00:28:12 +02:00
|
|
|
int nirqs;
|
2011-08-15 20:59:09 +02:00
|
|
|
int ioport_id;
|
2009-07-31 12:30:14 +02:00
|
|
|
};
|
|
|
|
|
2009-08-14 10:36:05 +02:00
|
|
|
typedef int (*isa_qdev_initfn)(ISADevice *dev);
|
2009-07-31 12:30:14 +02:00
|
|
|
struct ISADeviceInfo {
|
|
|
|
DeviceInfo qdev;
|
|
|
|
isa_qdev_initfn init;
|
|
|
|
};
|
|
|
|
|
2011-08-11 00:28:11 +02:00
|
|
|
ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space_io);
|
2011-12-15 22:09:51 +01:00
|
|
|
void isa_bus_irqs(ISABus *bus, qemu_irq *irqs);
|
|
|
|
qemu_irq isa_get_irq(ISADevice *dev, int isairq);
|
2009-09-10 11:43:27 +02:00
|
|
|
void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq);
|
2009-07-31 12:30:14 +02:00
|
|
|
void isa_qdev_register(ISADeviceInfo *info);
|
2011-08-15 16:17:35 +02:00
|
|
|
MemoryRegion *isa_address_space(ISADevice *dev);
|
2011-12-15 22:09:51 +01:00
|
|
|
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);
|
2007-11-17 18:14:51 +01:00
|
|
|
|
2011-09-26 13:52:44 +02:00
|
|
|
/**
|
|
|
|
* 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 old_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);
|
|
|
|
|
2009-10-01 23:12:16 +02:00
|
|
|
extern target_phys_addr_t isa_mem_base;
|
2007-11-17 18:14:51 +01:00
|
|
|
|
2011-08-08 15:09:21 +02:00
|
|
|
void isa_mmio_setup(MemoryRegion *mr, target_phys_addr_t size);
|
2010-12-08 12:05:49 +01:00
|
|
|
void isa_mmio_init(target_phys_addr_t base, target_phys_addr_t size);
|
2007-11-17 18:14:51 +01:00
|
|
|
|
|
|
|
/* dma.c */
|
|
|
|
int DMA_get_channel_mode (int nchan);
|
|
|
|
int DMA_read_memory (int nchan, void *buf, int pos, int size);
|
|
|
|
int DMA_write_memory (int nchan, void *buf, int pos, int size);
|
|
|
|
void DMA_hold_DREQ (int nchan);
|
|
|
|
void DMA_release_DREQ (int nchan);
|
|
|
|
void DMA_schedule(int nchan);
|
2010-05-22 10:00:52 +02:00
|
|
|
void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit);
|
2007-11-17 18:14:51 +01:00
|
|
|
void DMA_register_channel (int nchan,
|
|
|
|
DMA_transfer_handler transfer_handler,
|
|
|
|
void *opaque);
|
2008-08-30 11:51:20 +02:00
|
|
|
#endif
|