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-rw-r--r--include/linux/generic_serial.h64
-rw-r--r--include/linux/isdn.h26
-rw-r--r--include/linux/of_serial.h17
-rw-r--r--include/linux/serial_8250.h2
-rw-r--r--include/linux/serial_core.h5
-rw-r--r--include/linux/tty.h23
-rw-r--r--include/linux/tty_ldisc.h2
-rw-r--r--include/linux/vt_kern.h1
8 files changed, 44 insertions, 96 deletions
diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h
index fadff28505b..79b3eb37243 100644
--- a/include/linux/generic_serial.h
+++ b/include/linux/generic_serial.h
@@ -4,7 +4,6 @@
* 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.
*/
@@ -12,45 +11,8 @@
#ifndef GENERIC_SERIAL_H
#define GENERIC_SERIAL_H
-#ifdef __KERNEL__
-#include <linux/mutex.h>
-#include <linux/tty.h>
-
-struct real_driver {
- void (*disable_tx_interrupts) (void *);
- void (*enable_tx_interrupts) (void *);
- void (*disable_rx_interrupts) (void *);
- void (*enable_rx_interrupts) (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;
- struct tty_port port;
- unsigned char *xmit_buf;
- int xmit_head;
- int xmit_tail;
- int xmit_cnt;
- struct mutex port_write_mutex;
- 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__ */
+#warning Use of this header is deprecated.
+#warning Since nobody sets the constants defined here for you, you should not, in any case, use them. Including the header is thus pointless.
/* Flags */
/* Warning: serial.h defines some ASYNC_ flags, they say they are "only"
@@ -60,8 +22,6 @@ struct gs_port {
#define GS_RX_INTEN 0x00400000
#define GS_ACTIVE 0x00200000
-
-
#define GS_TYPE_NORMAL 1
#define GS_DEBUG_FLUSH 0x00000001
@@ -72,24 +32,4 @@ struct gs_port {
#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
diff --git a/include/linux/isdn.h b/include/linux/isdn.h
index 292f27a793d..215c41602af 100644
--- a/include/linux/isdn.h
+++ b/include/linux/isdn.h
@@ -15,6 +15,7 @@
#define __ISDN_H__
#include <linux/ioctl.h>
+#include <linux/tty.h>
#define ISDN_MAX_DRIVERS 32
#define ISDN_MAX_CHANNELS 64
@@ -392,21 +393,8 @@ typedef struct isdn_net_dev_s {
/*======================= Start of ISDN-tty stuff ===========================*/
#define ISDN_ASYNC_MAGIC 0x49344C01 /* for paranoia-checking */
-#define ISDN_ASYNC_INITIALIZED 0x80000000 /* port was initialized */
-#define ISDN_ASYNC_CALLOUT_ACTIVE 0x40000000 /* Call out device active */
-#define ISDN_ASYNC_NORMAL_ACTIVE 0x20000000 /* Normal device active */
-#define ISDN_ASYNC_CLOSING 0x08000000 /* Serial port is closing */
-#define ISDN_ASYNC_CTS_FLOW 0x04000000 /* Do CTS flow control */
-#define ISDN_ASYNC_CHECK_CD 0x02000000 /* i.e., CLOCAL */
-#define ISDN_ASYNC_HUP_NOTIFY 0x0001 /* Notify tty on hangups/closes */
-#define ISDN_ASYNC_SESSION_LOCKOUT 0x0100 /* Lock cua opens on session */
-#define ISDN_ASYNC_PGRP_LOCKOUT 0x0200 /* Lock cua opens on pgrp */
-#define ISDN_ASYNC_CALLOUT_NOHUP 0x0400 /* No hangup for cui */
-#define ISDN_ASYNC_SPLIT_TERMIOS 0x0008 /* Sep. termios for dialin/out */
#define ISDN_SERIAL_XMIT_SIZE 1024 /* Default bufsize for write */
#define ISDN_SERIAL_XMIT_MAX 4000 /* Maximum bufsize for write */
-#define ISDN_SERIAL_TYPE_NORMAL 1
-#define ISDN_SERIAL_TYPE_CALLOUT 2
#ifdef CONFIG_ISDN_AUDIO
/* For using sk_buffs with audio we need some private variables
@@ -448,17 +436,12 @@ typedef struct atemu {
/* Private data (similar to async_struct in <linux/serial.h>) */
typedef struct modem_info {
int magic;
- struct module *owner;
- int flags; /* defined in tty.h */
+ struct tty_port port;
int x_char; /* xon/xoff character */
int mcr; /* Modem control register */
int msr; /* Modem status register */
int lsr; /* Line status register */
int line;
- int count; /* # of fd on device */
- int blocked_open; /* # of blocked opens */
- long session; /* Session of opening process */
- long pgrp; /* pgrp of opening process */
int online; /* 1 = B-Channel is up, drop data */
/* 2 = B-Channel is up, deliver d.*/
int dialing; /* Dial in progress or ATA */
@@ -478,7 +461,6 @@ typedef struct modem_info {
int send_outstanding;/* # of outstanding send-requests */
int xmit_size; /* max. # of chars in xmit_buf */
int xmit_count; /* # of chars in xmit_buf */
- unsigned char *xmit_buf; /* transmit buffer */
struct sk_buff_head xmit_queue; /* transmit queue */
atomic_t xmit_lock; /* Semaphore for isdn_tty_write */
#ifdef CONFIG_ISDN_AUDIO
@@ -496,11 +478,7 @@ typedef struct modem_info {
struct T30_s *fax; /* T30 Fax Group 3 data/interface */
int faxonline; /* Fax-channel status */
#endif
- struct tty_struct *tty; /* Pointer to corresponding tty */
atemu emu; /* AT-emulator data */
- struct ktermios normal_termios; /* For saving termios structs */
- struct ktermios callout_termios;
- wait_queue_head_t open_wait, close_wait;
spinlock_t readlock;
} modem_info;
diff --git a/include/linux/of_serial.h b/include/linux/of_serial.h
new file mode 100644
index 00000000000..4a73ed80b4c
--- /dev/null
+++ b/include/linux/of_serial.h
@@ -0,0 +1,17 @@
+#ifndef __LINUX_OF_SERIAL_H
+#define __LINUX_OF_SERIAL_H
+
+/*
+ * FIXME remove this file when tegra finishes conversion to open firmware,
+ * expectation is that all quirks will then be self-contained in
+ * drivers/tty/serial/of_serial.c.
+ */
+#ifdef CONFIG_ARCH_TEGRA
+extern void tegra_serial_handle_break(struct uart_port *port);
+#else
+static inline void tegra_serial_handle_break(struct uart_port *port)
+{
+}
+#endif
+
+#endif /* __LINUX_OF_SERIAL */
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 8f012f8ac8e..10dbce5205a 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -38,6 +38,7 @@ struct plat_serial8250_port {
int (*handle_irq)(struct uart_port *);
void (*pm)(struct uart_port *, unsigned int state,
unsigned old);
+ void (*handle_break)(struct uart_port *);
};
/*
@@ -68,6 +69,7 @@ enum {
struct uart_port;
struct uart_8250_port;
+int serial8250_register_8250_port(struct uart_8250_port *);
int serial8250_register_port(struct uart_port *);
void serial8250_unregister_port(int line);
void serial8250_suspend_port(int line);
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 2db407a4005..65db9928e15 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -310,6 +310,7 @@ struct uart_port {
int (*handle_irq)(struct uart_port *);
void (*pm)(struct uart_port *, unsigned int state,
unsigned int old);
+ void (*handle_break)(struct uart_port *);
unsigned int irq; /* irq number */
unsigned long irqflags; /* irq flags */
unsigned int uartclk; /* base uart clock */
@@ -533,6 +534,10 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
static inline int uart_handle_break(struct uart_port *port)
{
struct uart_state *state = port->state;
+
+ if (port->handle_break)
+ port->handle_break(port);
+
#ifdef SUPPORT_SYSRQ
if (port->cons && port->cons->index == port->line) {
if (!port->sysrq) {
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 9f47ab540f6..4990ef2b1fb 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -268,6 +268,7 @@ struct tty_struct {
struct mutex ldisc_mutex;
struct tty_ldisc *ldisc;
+ struct mutex legacy_mutex;
struct mutex termios_mutex;
spinlock_t ctrl_lock;
/* Termios values are protected by the termios mutex */
@@ -605,8 +606,12 @@ extern long vt_compat_ioctl(struct tty_struct *tty,
/* tty_mutex.c */
/* functions for preparation of BKL removal */
-extern void __lockfunc tty_lock(void) __acquires(tty_lock);
-extern void __lockfunc tty_unlock(void) __releases(tty_lock);
+extern void __lockfunc tty_lock(struct tty_struct *tty);
+extern void __lockfunc tty_unlock(struct tty_struct *tty);
+extern void __lockfunc tty_lock_pair(struct tty_struct *tty,
+ struct tty_struct *tty2);
+extern void __lockfunc tty_unlock_pair(struct tty_struct *tty,
+ struct tty_struct *tty2);
/*
* this shall be called only from where BTM is held (like close)
@@ -621,9 +626,9 @@ extern void __lockfunc tty_unlock(void) __releases(tty_lock);
static inline void tty_wait_until_sent_from_close(struct tty_struct *tty,
long timeout)
{
- tty_unlock(); /* tty->ops->close holds the BTM, drop it while waiting */
+ tty_unlock(tty); /* tty->ops->close holds the BTM, drop it while waiting */
tty_wait_until_sent(tty, timeout);
- tty_lock();
+ tty_lock(tty);
}
/*
@@ -638,16 +643,16 @@ static inline void tty_wait_until_sent_from_close(struct tty_struct *tty,
*
* Do not use in new code.
*/
-#define wait_event_interruptible_tty(wq, condition) \
+#define wait_event_interruptible_tty(tty, wq, condition) \
({ \
int __ret = 0; \
if (!(condition)) { \
- __wait_event_interruptible_tty(wq, condition, __ret); \
+ __wait_event_interruptible_tty(tty, wq, condition, __ret); \
} \
__ret; \
})
-#define __wait_event_interruptible_tty(wq, condition, ret) \
+#define __wait_event_interruptible_tty(tty, wq, condition, ret) \
do { \
DEFINE_WAIT(__wait); \
\
@@ -656,9 +661,9 @@ do { \
if (condition) \
break; \
if (!signal_pending(current)) { \
- tty_unlock(); \
+ tty_unlock(tty); \
schedule(); \
- tty_lock(); \
+ tty_lock(tty); \
continue; \
} \
ret = -ERESTARTSYS; \
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index ff7dc08696a..fb79dd8d153 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -110,6 +110,7 @@
#include <linux/fs.h>
#include <linux/wait.h>
#include <linux/pps_kernel.h>
+#include <linux/wait.h>
struct tty_ldisc_ops {
int magic;
@@ -154,6 +155,7 @@ struct tty_ldisc_ops {
struct tty_ldisc {
struct tty_ldisc_ops *ops;
atomic_t users;
+ wait_queue_head_t wq_idle;
};
#define TTY_LDISC_MAGIC 0x5403
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index e33d77f15bd..50ae7d0c279 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -70,7 +70,6 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list);
int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list);
int con_set_default_unimap(struct vc_data *vc);
void con_free_unimap(struct vc_data *vc);
-void con_protect_unimap(struct vc_data *vc, int rdonly);
int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc);
#define vc_translate(vc, c) ((vc)->vc_translate[(c) | \
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 21:05:02 +0000