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 */
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 */
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#ifndef KERN_NS16550_H_
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#ifndef KERN_NS16550_H_
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#define KERN_NS16550_H_
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#define KERN_NS16550_H_
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#include <console/chardev.h>
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#include <console/chardev.h>
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#include <ddi/irq.h>
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#include <ddi/irq.h>
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#include <ipc/irq.h>
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#include <ipc/irq.h>
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extern void ns16550_init(devno_t, uintptr_t, inr_t, cir_t, void *);
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extern void ns16550_init(devno_t, uintptr_t, inr_t, cir_t, void *);
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extern void ns16550_poll(void);
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extern void ns16550_poll(void);
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extern char ns16550_key_read(chardev_t *);
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extern char ns16550_key_read(chardev_t *);
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extern irq_ownership_t ns16550_claim(void *);
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extern irq_ownership_t ns16550_claim(void *);
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extern void ns16550_irq_handler(irq_t *);
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extern void ns16550_irq_handler(irq_t *);
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#include <arch/types.h>
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#include <arch/types.h>
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#ifndef ia64
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#include <arch/drivers/kbd.h>
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#include <arch/drivers/kbd.h>
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#endif
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/* NS16550 registers */
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/* NS16550 registers */
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#define RBR_REG     0   /** Receiver Buffer Register. */
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#define RBR_REG     0   /** Receiver Buffer Register. */
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#define IER_REG     1   /** Interrupt Enable Register. */
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#define IER_REG     1   /** Interrupt Enable Register. */
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#define IIR_REG     2   /** Interrupt Ident Register (read). */
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#define IIR_REG     2   /** Interrupt Ident Register (read). */
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#define FCR_REG     2   /** FIFO control register (write). */
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#define FCR_REG     2   /** FIFO control register (write). */