| 38,14 → 38,80 |
|---|
| #include <ddi/irq.h> |
| #include <arch/types.h> |
| #include <console/chardev.h> |
| #include <synch/spinlock.h> |
| |
| typedef struct { |
| uint8_t b; |
| uint8_t pad0[0x1ff]; |
| |
| uint8_t a; |
| uint8_t pad1[0x1ff]; |
| |
| uint8_t dirb; |
| uint8_t pad2[0x1ff]; |
| |
| uint8_t dira; |
| uint8_t pad3[0x1ff]; |
| |
| uint8_t t1cl; |
| uint8_t pad4[0x1ff]; |
| |
| uint8_t t1ch; |
| uint8_t pad5[0x1ff]; |
| |
| uint8_t t1ll; |
| uint8_t pad6[0x1ff]; |
| |
| uint8_t t1lh; |
| uint8_t pad7[0x1ff]; |
| |
| uint8_t t2cl; |
| uint8_t pad8[0x1ff]; |
| |
| uint8_t t2ch; |
| uint8_t pad9[0x1ff]; |
| |
| uint8_t sr; |
| uint8_t pad10[0x1ff]; |
| |
| uint8_t acr; |
| uint8_t pad11[0x1ff]; |
| |
| uint8_t pcr; |
| uint8_t pad12[0x1ff]; |
| |
| uint8_t ifr; |
| uint8_t pad13[0x1ff]; |
| |
| uint8_t ier; |
| uint8_t pad14[0x1ff]; |
| |
| uint8_t anh; |
| uint8_t pad15[0x1ff]; |
| } cuda_t; |
| |
| enum { |
| CUDA_RCV_BUF_SIZE = 5 |
| }; |
| |
| enum cuda_xfer_state { |
| cx_listen, |
| cx_receive, |
| cx_rcv_end, |
| cx_send_start, |
| cx_send |
| }; |
| |
| typedef struct { |
| irq_t irq; |
| cuda_t *cuda; |
| indev_t *kbrdin; |
| uint8_t rcv_buf[CUDA_RCV_BUF_SIZE]; |
| uint8_t snd_buf[CUDA_RCV_BUF_SIZE]; |
| size_t bidx; |
| size_t snd_bytes; |
| enum cuda_xfer_state xstate; |
| SPINLOCK_DECLARE(dev_lock); |
| } cuda_instance_t; |
| |
| extern cuda_instance_t *cuda_init(cuda_t *, inr_t, cir_t, void *); |