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 11 typedef 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 28 #define TYPE_ISA_PARALLEL "isa-parallel" 29 30 void parallel_hds_isa_init(ISABus *bus, int n); 31 32 bool parallel_mm_init(MemoryRegion *address_space, 33 hwaddr base, int it_shift, qemu_irq irq, 34 Chardev *chr); 35 36 #endif 37