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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849/* * include/linux/serial.h * * Copyright (C) 1992 by Theodore Ts'o. * * Redistribution of this file is permitted under the terms of the GNU * Public License (GPL) */#ifndef _LINUX_SERIAL_H#define _LINUX_SERIAL_H
#include <uapi/linux/serial.h>#include <uapi/linux/serial_reg.h>
#define UART_IER_ALL_INTR (UART_IER_MSI | \ UART_IER_RLSI | \ UART_IER_THRI | \ UART_IER_RDI)
/* Helper for dealing with UART_LCR_WLEN* defines */#define UART_LCR_WLEN(x) ((x) - 5)
/* FIFO and shifting register empty */#define UART_LSR_BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
static inline bool uart_lsr_tx_empty(u16 lsr){ return (lsr & UART_LSR_BOTH_EMPTY) == UART_LSR_BOTH_EMPTY;}
#define UART_MSR_STATUS_BITS (UART_MSR_DCD | \ UART_MSR_RI | \ UART_MSR_DSR | \ UART_MSR_CTS)
/* * Counters of the input lines (CTS, DSR, RI, CD) interrupts */
struct async_icount { __u32 cts, dsr, rng, dcd, tx, rx; __u32 frame, parity, overrun, brk; __u32 buf_overrun;};
#include <linux/compiler.h>
#endif /* _LINUX_SERIAL_H */