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 * Output byte to port
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 * Output byte to port
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 *
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 *
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 * @param port Port to write to
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 * @param port Port to write to
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 * @param val Value to write
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 * @param val Value to write
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 */
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 */
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static inline void outb(uint16_t port, uint8_t val)
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static inline void pio_write_8(uint16_t port, uint8_t val)
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{
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{
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    asm volatile ("outb %b0, %w1\n" : : "a" (val), "d" (port) );
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    asm volatile ("outb %b0, %w1\n" : : "a" (val), "d" (port) );
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}
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}
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/** Word to port
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/** Word to port
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 * Output word to port
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 * Output word to port
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 *
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 *
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 * @param port Port to write to
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 * @param port Port to write to
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 * @param val Value to write
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 * @param val Value to write
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 */
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 */
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static inline void outw(uint16_t port, uint16_t val)
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static inline void pio_write_16(uint16_t port, uint16_t val)
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{
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{
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    asm volatile ("outw %w0, %w1\n" : : "a" (val), "d" (port) );
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    asm volatile ("outw %w0, %w1\n" : : "a" (val), "d" (port) );
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}
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}
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/** Double word to port
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/** Double word to port
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 * Output double word to port
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 * Output double word to port
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 *
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 *
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 * @param port Port to write to
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 * @param port Port to write to
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 * @param val Value to write
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 * @param val Value to write
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 */
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 */
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static inline void outl(uint16_t port, uint32_t val)
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static inline void pio_write_32(uint16_t port, uint32_t val)
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{
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{
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    asm volatile ("outl %l0, %w1\n" : : "a" (val), "d" (port) );
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    asm volatile ("outl %l0, %w1\n" : : "a" (val), "d" (port) );
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}
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}
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/** Byte from port
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/** Byte from port
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 * Get byte from port
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 * Get byte from port
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 *
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 *
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 * @param port Port to read from
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 * @param port Port to read from
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 * @return Value read
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 * @return Value read
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 */
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 */
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static inline uint8_t inb(uint16_t port)
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static inline uint8_t pio_read_8(uint16_t port)
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{
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{
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    uint8_t val;
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    uint8_t val;
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    asm volatile ("inb %w1, %b0 \n" : "=a" (val) : "d" (port) );
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    asm volatile ("inb %w1, %b0 \n" : "=a" (val) : "d" (port) );
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    return val;
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    return val;
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 * Get word from port
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 * Get word from port
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 *
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 *
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 * @param port Port to read from
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 * @param port Port to read from
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 * @return Value read
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 * @return Value read
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 */
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 */
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static inline uint16_t inw(uint16_t port)
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static inline uint16_t pio_read_16(uint16_t port)
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{
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{
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    uint16_t val;
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    uint16_t val;
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    asm volatile ("inw %w1, %w0 \n" : "=a" (val) : "d" (port) );
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    asm volatile ("inw %w1, %w0 \n" : "=a" (val) : "d" (port) );
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    return val;
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    return val;
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 * Get double word from port
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 * Get double word from port
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 *
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 *
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 * @param port Port to read from
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 * @param port Port to read from
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 * @return Value read
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 * @return Value read
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 */
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 */
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static inline uint32_t inl(uint16_t port)
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static inline uint32_t pio_read_32(uint16_t port)
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{
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{
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    uint32_t val;
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    uint32_t val;
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    asm volatile ("inl %w1, %l0 \n" : "=a" (val) : "d" (port) );
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    asm volatile ("inl %w1, %l0 \n" : "=a" (val) : "d" (port) );
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    return val;
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    return val;