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606d099cdd
This is the grungy swap all the occurrences in the right places patch that goes with the updates. At this point we have the same functionality as before (except that sgttyb() returns speeds not zero) and are ready to begin turning new stuff on providing nobody reports lots of bugs If you are a tty driver author converting an out of tree driver the only impact should be termios->ktermios name changes for the speed/property setting functions from your upper layers. If you are implementing your own TCGETS function before then your driver was broken already and its about to get a whole lot more painful for you so please fix it 8) Also fill in c_ispeed/ospeed on init for most devices, although the current code will do this for you anyway but I'd like eventually to lose that extra paranoia [akpm@osdl.org: bluetooth fix] [mp3@de.ibm.com: sclp fix] [mp3@de.ibm.com: warning fix for tty3270] [hugh@veritas.com: fix tty_ioctl powerpc build] [jdike@addtoit.com: uml: fix ->set_termios declaration] Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Martin Peschke <mp3@de.ibm.com> Acked-by: Peter Oberparleiter <oberpar@de.ibm.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/*
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* generic_serial.h
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*
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* Copyright (C) 1998 R.E.Wolff@BitWizard.nl
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*
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* written for the SX serial driver.
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* Contains the code that should be shared over all the serial drivers.
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*
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* Version 0.1 -- December, 1998.
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*/
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#ifndef GENERIC_SERIAL_H
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#define GENERIC_SERIAL_H
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#ifdef __KERNEL__
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#include <linux/mutex.h>
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struct real_driver {
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void (*disable_tx_interrupts) (void *);
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void (*enable_tx_interrupts) (void *);
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void (*disable_rx_interrupts) (void *);
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void (*enable_rx_interrupts) (void *);
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int (*get_CD) (void *);
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void (*shutdown_port) (void*);
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int (*set_real_termios) (void*);
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int (*chars_in_buffer) (void*);
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void (*close) (void*);
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void (*hungup) (void*);
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void (*getserial) (void*, struct serial_struct *sp);
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};
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struct gs_port {
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int magic;
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unsigned char *xmit_buf;
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int xmit_head;
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int xmit_tail;
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int xmit_cnt;
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struct mutex port_write_mutex;
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int flags;
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wait_queue_head_t open_wait;
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wait_queue_head_t close_wait;
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int count;
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int blocked_open;
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struct tty_struct *tty;
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unsigned long event;
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unsigned short closing_wait;
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int close_delay;
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struct real_driver *rd;
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int wakeup_chars;
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int baud_base;
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int baud;
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int custom_divisor;
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spinlock_t driver_lock;
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};
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#endif /* __KERNEL__ */
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/* Flags */
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/* Warning: serial.h defines some ASYNC_ flags, they say they are "only"
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used in serial.c, but they are also used in all other serial drivers.
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Make sure they don't clash with these here... */
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#define GS_TX_INTEN 0x00800000
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#define GS_RX_INTEN 0x00400000
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#define GS_ACTIVE 0x00200000
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#define GS_TYPE_NORMAL 1
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#define GS_DEBUG_FLUSH 0x00000001
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#define GS_DEBUG_BTR 0x00000002
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#define GS_DEBUG_TERMIOS 0x00000004
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#define GS_DEBUG_STUFF 0x00000008
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#define GS_DEBUG_CLOSE 0x00000010
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#define GS_DEBUG_FLOW 0x00000020
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#define GS_DEBUG_WRITE 0x00000040
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#ifdef __KERNEL__
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void gs_put_char(struct tty_struct *tty, unsigned char ch);
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int gs_write(struct tty_struct *tty,
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const unsigned char *buf, int count);
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int gs_write_room(struct tty_struct *tty);
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int gs_chars_in_buffer(struct tty_struct *tty);
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void gs_flush_buffer(struct tty_struct *tty);
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void gs_flush_chars(struct tty_struct *tty);
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void gs_stop(struct tty_struct *tty);
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void gs_start(struct tty_struct *tty);
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void gs_hangup(struct tty_struct *tty);
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int gs_block_til_ready(void *port, struct file *filp);
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void gs_close(struct tty_struct *tty, struct file *filp);
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void gs_set_termios (struct tty_struct * tty,
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struct ktermios * old_termios);
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int gs_init_port(struct gs_port *port);
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int gs_setserial(struct gs_port *port, struct serial_struct __user *sp);
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int gs_getserial(struct gs_port *port, struct serial_struct __user *sp);
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void gs_got_break(struct gs_port *port);
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#endif /* __KERNEL__ */
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#endif
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