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Rev 1911 Rev 1921
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#define IER_ERBFI   0x01    /** Enable Receive Buffer Full Interrupt. */
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#define IER_ERBFI   0x01    /** Enable Receive Buffer Full Interrupt. */
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#define LCR_DLAB    0x80    /** Divisor Latch Access bit. */
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#define LCR_DLAB    0x80    /** Divisor Latch Access bit. */
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/** Structure representing the ns16550 device. */
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typedef struct {
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    devno_t devno;
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    volatile uint8_t *reg;  /** Memory mapped registers of the ns16550. */
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} ns16550_t;
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static inline uint8_t ns16550_rbr_read(void)
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static inline uint8_t ns16550_rbr_read(ns16550_t *dev)
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{
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{
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    return kbd_virt_address[RBR_REG];
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    return dev->reg[RBR_REG];
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}
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}
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static inline uint8_t ns16550_ier_read(void)
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static inline uint8_t ns16550_ier_read(ns16550_t *dev)
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{
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{
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    return kbd_virt_address[IER_REG];
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    return dev->reg[IER_REG];
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}
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}
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static inline void ns16550_ier_write(uint8_t v)
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static inline void ns16550_ier_write(ns16550_t *dev, uint8_t v)
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{
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{
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    kbd_virt_address[IER_REG] = v;
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    dev->reg[IER_REG] = v;
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}
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}
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static inline uint8_t ns16550_iir_read(void)
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static inline uint8_t ns16550_iir_read(ns16550_t *dev)
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{
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{
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    return kbd_virt_address[IIR_REG];
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    return dev->reg[IIR_REG];
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}
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}
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static inline void ns16550_fcr_write(uint8_t v)
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static inline void ns16550_fcr_write(ns16550_t *dev, uint8_t v)
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{
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{
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    kbd_virt_address[FCR_REG] = v;
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    dev->reg[FCR_REG] = v;
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}
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}
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static inline uint8_t ns16550_lcr_read(void)
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static inline uint8_t ns16550_lcr_read(ns16550_t *dev)
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{
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{
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    return kbd_virt_address[LCR_REG];
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    return dev->reg[LCR_REG];
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}
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}
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static inline void ns16550_lcr_write(uint8_t v)
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static inline void ns16550_lcr_write(ns16550_t *dev, uint8_t v)
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{
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{
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    kbd_virt_address[LCR_REG] = v;
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    dev->reg[LCR_REG] = v;
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}
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}
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static inline uint8_t ns16550_lsr_read(void)
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static inline uint8_t ns16550_lsr_read(ns16550_t *dev)
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{
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{
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    return kbd_virt_address[LSR_REG];
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    return dev->reg[LSR_REG];
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}
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}
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#endif
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#endif
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/** @}
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/** @}