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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 10:51:49 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 10:51:49 -0400
commit1dfd166e93f98892aa4427069a23ed73259983c8 (patch)
treec70a347b963091b99bd16842537153fa36e5c0e9 /lib/spinlock_debug.c
parent8e775167d54e6521e7cdbc03ee7ec42a8c67b49a (diff)
parent8df399018df120d28f89fda6f2515cc6e096e43d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (110 commits) sh: i2c-sh7760: Replase from ctrl_* to __raw_* sh: clkfwk: Shuffle around to match the intc split up. sh: clkfwk: modify for_each_frequency end condition sh: fix clk_get() error handling sh: clkfwk: Fix fault in frequency iterator. sh: clkfwk: Add a helper for rate rounding by divisor ranges. sh: clkfwk: Abstract rate rounding helper. sh: clkfwk: support clock remapping. sh: pci: Convert to upper/lower_32_bits() helpers. sh: mach-sdk7786: Add support for the FPGA SRAM. sh: Provide a generic SRAM pool for tiny memories. sh: pci: Support secondary FPGA-driven PCIe clocks on SDK7786. sh: pci: Support slot 4 routing on SDK7786. sh: Fix up PMB locking. sh: mach-sdk7786: Add support for fpga gpios. sh: use pr_fmt for clock framework, too. sh: remove name and id from struct clk sh: free-without-alloc fix for sh_mobile_lcdcfb sh: perf: Set up perf_max_events. sh: perf: Support SH-X3 hardware counters. ... Fix up trivial conflicts (perf_max_events got removed) in arch/sh/kernel/perf_event.c
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/*
 *  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

#ifdef __KERNEL__
#include <linux/mutex.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 mutex            port_write_mutex;
  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;
};

#endif /* __KERNEL__ */

/* 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

#ifdef __KERNEL__
int 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 ktermios * 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 /* __KERNEL__ */
#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-21 10:24:54 -0400