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-rw-r--r--kernel/include/uapi/linux/serial.h130
1 files changed, 130 insertions, 0 deletions
diff --git a/kernel/include/uapi/linux/serial.h b/kernel/include/uapi/linux/serial.h
new file mode 100644
index 000000000..25331f9fa
--- /dev/null
+++ b/kernel/include/uapi/linux/serial.h
@@ -0,0 +1,130 @@
+/*
+ * 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 _UAPI_LINUX_SERIAL_H
+#define _UAPI_LINUX_SERIAL_H
+
+#include <linux/types.h>
+
+#include <linux/tty_flags.h>
+
+
+struct serial_struct {
+ int type;
+ int line;
+ unsigned int port;
+ int irq;
+ int flags;
+ int xmit_fifo_size;
+ int custom_divisor;
+ int baud_base;
+ unsigned short close_delay;
+ char io_type;
+ char reserved_char[1];
+ int hub6;
+ unsigned short closing_wait; /* time to wait before closing */
+ unsigned short closing_wait2; /* no longer used... */
+ unsigned char *iomem_base;
+ unsigned short iomem_reg_shift;
+ unsigned int port_high;
+ unsigned long iomap_base; /* cookie passed into ioremap */
+};
+
+/*
+ * For the close wait times, 0 means wait forever for serial port to
+ * flush its output. 65535 means don't wait at all.
+ */
+#define ASYNC_CLOSING_WAIT_INF 0
+#define ASYNC_CLOSING_WAIT_NONE 65535
+
+/*
+ * These are the supported serial types.
+ */
+#define PORT_UNKNOWN 0
+#define PORT_8250 1
+#define PORT_16450 2
+#define PORT_16550 3
+#define PORT_16550A 4
+#define PORT_CIRRUS 5 /* usurped by cyclades.c */
+#define PORT_16650 6
+#define PORT_16650V2 7
+#define PORT_16750 8
+#define PORT_STARTECH 9 /* usurped by cyclades.c */
+#define PORT_16C950 10 /* Oxford Semiconductor */
+#define PORT_16654 11
+#define PORT_16850 12
+#define PORT_RSA 13 /* RSA-DV II/S card */
+#define PORT_MAX 13
+
+#define SERIAL_IO_PORT 0
+#define SERIAL_IO_HUB6 1
+#define SERIAL_IO_MEM 2
+#define SERIAL_IO_MEM32 3
+#define SERIAL_IO_AU 4
+#define SERIAL_IO_TSI 5
+#define SERIAL_IO_MEM32BE 6
+
+#define UART_CLEAR_FIFO 0x01
+#define UART_USE_FIFO 0x02
+#define UART_STARTECH 0x04
+#define UART_NATSEMI 0x08
+
+
+/*
+ * Multiport serial configuration structure --- external structure
+ */
+struct serial_multiport_struct {
+ int irq;
+ int port1;
+ unsigned char mask1, match1;
+ int port2;
+ unsigned char mask2, match2;
+ int port3;
+ unsigned char mask3, match3;
+ int port4;
+ unsigned char mask4, match4;
+ int port_monitor;
+ int reserved[32];
+};
+
+/*
+ * Serial input interrupt line counters -- external structure
+ * Four lines can interrupt: CTS, DSR, RI, DCD
+ */
+struct serial_icounter_struct {
+ int cts, dsr, rng, dcd;
+ int rx, tx;
+ int frame, overrun, parity, brk;
+ int buf_overrun;
+ int reserved[9];
+};
+
+/*
+ * Serial interface for controlling RS485 settings on chips with suitable
+ * support. Set with TIOCSRS485 and get with TIOCGRS485 if supported by your
+ * platform. The set function returns the new state, with any unsupported bits
+ * reverted appropriately.
+ */
+
+struct serial_rs485 {
+ __u32 flags; /* RS485 feature flags */
+#define SER_RS485_ENABLED (1 << 0) /* If enabled */
+#define SER_RS485_RTS_ON_SEND (1 << 1) /* Logical level for
+ RTS pin when
+ sending */
+#define SER_RS485_RTS_AFTER_SEND (1 << 2) /* Logical level for
+ RTS pin after sent*/
+#define SER_RS485_RX_DURING_TX (1 << 4)
+ __u32 delay_rts_before_send; /* Delay before send (milliseconds) */
+ __u32 delay_rts_after_send; /* Delay after send (milliseconds) */
+ __u32 padding[5]; /* Memory is cheap, new structs
+ are a royal PITA .. */
+};
+
+#endif /* _UAPI_LINUX_SERIAL_H */