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