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-rw-r--r--include/linux/generic_serial.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h
new file mode 100644
index 000000000000..0abe9d9a0069
--- /dev/null
+++ b/include/linux/generic_serial.h
@@ -0,0 +1,96 @@
+/*
+ * generic_serial.h
+ *
+ * Copyright (C) 1998 R.E.Wolff@BitWizard.nl
+ *
+ * written for the SX serial driver.
+ * Contains the code that should be shared over all the serial drivers.
+ *
+ * Version 0.1 -- December, 1998.
+ */
+
+#ifndef GENERIC_SERIAL_H
+#define GENERIC_SERIAL_H
+
+struct real_driver {
+ void (*disable_tx_interrupts) (void *);
+ void (*enable_tx_interrupts) (void *);
+ void (*disable_rx_interrupts) (void *);
+ void (*enable_rx_interrupts) (void *);
+ int (*get_CD) (void *);
+ void (*shutdown_port) (void*);
+ int (*set_real_termios) (void*);
+ int (*chars_in_buffer) (void*);
+ void (*close) (void*);
+ void (*hungup) (void*);
+ void (*getserial) (void*, struct serial_struct *sp);
+};
+
+
+
+struct gs_port {
+ int magic;
+ unsigned char *xmit_buf;
+ int xmit_head;
+ int xmit_tail;
+ int xmit_cnt;
+ struct semaphore port_write_sem;
+ int flags;
+ wait_queue_head_t open_wait;
+ wait_queue_head_t close_wait;
+ int count;
+ int blocked_open;
+ struct tty_struct *tty;
+ unsigned long event;
+ unsigned short closing_wait;
+ int close_delay;
+ struct real_driver *rd;
+ int wakeup_chars;
+ int baud_base;
+ int baud;
+ int custom_divisor;
+ spinlock_t driver_lock;
+};
+
+
+/* Flags */
+/* Warning: serial.h defines some ASYNC_ flags, they say they are "only"
+ used in serial.c, but they are also used in all other serial drivers.
+ Make sure they don't clash with these here... */
+#define GS_TX_INTEN 0x00800000
+#define GS_RX_INTEN 0x00400000
+#define GS_ACTIVE 0x00200000
+
+
+
+#define GS_TYPE_NORMAL 1
+
+#define GS_DEBUG_FLUSH 0x00000001
+#define GS_DEBUG_BTR 0x00000002
+#define GS_DEBUG_TERMIOS 0x00000004
+#define GS_DEBUG_STUFF 0x00000008
+#define GS_DEBUG_CLOSE 0x00000010
+#define GS_DEBUG_FLOW 0x00000020
+#define GS_DEBUG_WRITE 0x00000040
+
+
+void gs_put_char(struct tty_struct *tty, unsigned char ch);
+int gs_write(struct tty_struct *tty,
+ const unsigned char *buf, int count);
+int gs_write_room(struct tty_struct *tty);
+int gs_chars_in_buffer(struct tty_struct *tty);
+void gs_flush_buffer(struct tty_struct *tty);
+void gs_flush_chars(struct tty_struct *tty);
+void gs_stop(struct tty_struct *tty);
+void gs_start(struct tty_struct *tty);
+void gs_hangup(struct tty_struct *tty);
+int gs_block_til_ready(void *port, struct file *filp);
+void gs_close(struct tty_struct *tty, struct file *filp);
+void gs_set_termios (struct tty_struct * tty,
+ struct termios * old_termios);
+int gs_init_port(struct gs_port *port);
+int gs_setserial(struct gs_port *port, struct serial_struct __user *sp);
+int gs_getserial(struct gs_port *port, struct serial_struct __user *sp);
+void gs_got_break(struct gs_port *port);
+
+#endif