| 48,7 → 48,7 |
|---|
| #define MCR_OUT2 0x08 /** OUT2. */ |
| |
| /** NS16550 registers. */ |
| struct ns16550 { |
| typedef struct { |
| ioport8_t rbr; /**< Receiver Buffer Register. */ |
| ioport8_t ier; /**< Interrupt Enable Register. */ |
| union { |
| 58,21 → 58,17 |
|---|
| ioport8_t lcr; /**< Line Control register. */ |
| ioport8_t mcr; /**< Modem Control Register. */ |
| ioport8_t lsr; /**< Line Status Register. */ |
| } __attribute__ ((packed)); |
| typedef struct ns16550 ns16550_t; |
| } __attribute__ ((packed)) ns16550_t; |
| |
| /** Structure representing the ns16550 device. */ |
| typedef struct ns16550_instance { |
| typedef struct { |
| devno_t devno; |
| ns16550_t *ns16550; |
| irq_t irq; |
| chardev_t *devout; |
| indev_t kbrdin; |
| } ns16550_instance_t; |
| |
| extern bool ns16550_init(ns16550_t *, devno_t, inr_t, cir_t, void *, |
| chardev_t *); |
| extern irq_ownership_t ns16550_claim(irq_t *); |
| extern void ns16550_irq_handler(irq_t *); |
| extern indev_t *ns16550_init(ns16550_t *, devno_t, inr_t, cir_t, void *) |
| |
| #endif |
| |