LXR qemu/include/hw/char/parallel.h

   1#ifndef HW_PARALLEL_H
   2#define HW_PARALLEL_H
   3
   4#include "exec/ioport.h"
   5#include "exec/memory.h"
   6#include "hw/isa/isa.h"
   7#include "hw/irq.h"
   8#include "chardev/char-fe.h"
   9#include "chardev/char.h"
  10
  11typedef struct ParallelState {
  12    MemoryRegion iomem;
  13    uint8_t dataw;
  14    uint8_t datar;
  15    uint8_t status;
  16    uint8_t control;
  17    qemu_irq irq;
  18    int irq_pending;
  19    CharBackend chr;
  20    int hw_driver;
  21    int epp_timeout;
  22    uint32_t last_read_offset; /* For debugging */
  23    /* Memory-mapped interface */
  24    int it_shift;
  25    PortioList portio_list;
  26} ParallelState;
  27
  28void parallel_hds_isa_init(ISABus *bus, int n);
  29
  30bool parallel_mm_init(MemoryRegion *address_space,
  31                      hwaddr base, int it_shift, qemu_irq irq,
  32                      Chardev *chr);
  33
  34#endif
  35