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-rw-r--r--include/linux/auxvec.h4
-rw-r--r--include/linux/spi/max7301.h9
-rw-r--r--include/linux/synclink.h1
-rw-r--r--include/linux/tty.h11
-rw-r--r--include/linux/tty_driver.h14
-rw-r--r--include/linux/usb/serial.h56
6 files changed, 64 insertions, 31 deletions
diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h
index ad895455ab7..0da17d14fd1 100644
--- a/include/linux/auxvec.h
+++ b/include/linux/auxvec.h
@@ -26,8 +26,10 @@
#define AT_SECURE 23 /* secure mode boolean */
+#define AT_EXECFN 31 /* filename of program */
#ifdef __KERNEL__
-#define AT_VECTOR_SIZE_BASE (14 + 2) /* NEW_AUX_ENT entries in auxiliary table */
+#define AT_VECTOR_SIZE_BASE 17 /* NEW_AUX_ENT entries in auxiliary table */
+ /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */
#endif
#endif /* _LINUX_AUXVEC_H */
diff --git a/include/linux/spi/max7301.h b/include/linux/spi/max7301.h
new file mode 100644
index 00000000000..6dfd83f19b4
--- /dev/null
+++ b/include/linux/spi/max7301.h
@@ -0,0 +1,9 @@
+#ifndef LINUX_SPI_MAX7301_H
+#define LINUX_SPI_MAX7301_H
+
+struct max7301_platform_data {
+ /* number assigned to the first GPIO */
+ unsigned base;
+};
+
+#endif
diff --git a/include/linux/synclink.h b/include/linux/synclink.h
index 45f6bc82d31..c844a229acc 100644
--- a/include/linux/synclink.h
+++ b/include/linux/synclink.h
@@ -136,6 +136,7 @@
#define MGSL_INTERFACE_RTS_EN 0x10
#define MGSL_INTERFACE_LL 0x20
#define MGSL_INTERFACE_RL 0x40
+#define MGSL_INTERFACE_MSB_FIRST 0x80
typedef struct _MGSL_PARAMS
{
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 4e5833073aa..e3579cb086e 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -317,8 +317,6 @@ extern void tty_wait_until_sent(struct tty_struct *tty, long timeout);
extern int tty_check_change(struct tty_struct *tty);
extern void stop_tty(struct tty_struct *tty);
extern void start_tty(struct tty_struct *tty);
-extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
-extern int tty_unregister_ldisc(int disc);
extern int tty_register_driver(struct tty_driver *driver);
extern int tty_unregister_driver(struct tty_driver *driver);
extern struct device *tty_register_device(struct tty_driver *driver,
@@ -383,6 +381,15 @@ extern void tty_port_init(struct tty_port *port);
extern int tty_port_alloc_xmit_buf(struct tty_port *port);
extern void tty_port_free_xmit_buf(struct tty_port *port);
+extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
+extern int tty_unregister_ldisc(int disc);
+extern int tty_set_ldisc(struct tty_struct *tty, int ldisc);
+extern int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty);
+extern void tty_ldisc_release(struct tty_struct *tty, struct tty_struct *o_tty);
+extern void tty_ldisc_init(struct tty_struct *tty);
+extern void tty_ldisc_begin(void);
+/* This last one is just for the tty layer internals and shouldn't be used elsewhere */
+extern void tty_ldisc_enable(struct tty_struct *tty);
/* n_tty.c */
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index d2a00358676..e1065ac0d92 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -135,7 +135,7 @@
*
* Optional:
*
- * void (*break_ctl)(struct tty_stuct *tty, int state);
+ * int (*break_ctl)(struct tty_stuct *tty, int state);
*
* This optional routine requests the tty driver to turn on or
* off BREAK status on the RS-232 port. If state is -1,
@@ -146,6 +146,10 @@
* handle the following ioctls: TCSBRK, TCSBRKP, TIOCSBRK,
* TIOCCBRK.
*
+ * If the driver sets TTY_DRIVER_HARDWARE_BREAK then the interface
+ * will also be called with actual times and the hardware is expected
+ * to do the delay work itself. 0 and -1 are still used for on/off.
+ *
* Optional: Required for TCSBRK/BRKP/etc handling.
*
* void (*wait_until_sent)(struct tty_struct *tty, int timeout);
@@ -192,7 +196,7 @@ struct tty_operations {
void (*stop)(struct tty_struct *tty);
void (*start)(struct tty_struct *tty);
void (*hangup)(struct tty_struct *tty);
- void (*break_ctl)(struct tty_struct *tty, int state);
+ int (*break_ctl)(struct tty_struct *tty, int state);
void (*flush_buffer)(struct tty_struct *tty);
void (*set_ldisc)(struct tty_struct *tty);
void (*wait_until_sent)(struct tty_struct *tty, int timeout);
@@ -285,12 +289,18 @@ extern struct tty_driver *tty_find_polling_driver(char *name, int *line);
* TTY_DRIVER_DEVPTS_MEM -- don't use the standard arrays, instead
* use dynamic memory keyed through the devpts filesystem. This
* is only applicable to the pty driver.
+ *
+ * TTY_DRIVER_HARDWARE_BREAK -- hardware handles break signals. Pass
+ * the requested timeout to the caller instead of using a simple
+ * on/off interface.
+ *
*/
#define TTY_DRIVER_INSTALLED 0x0001
#define TTY_DRIVER_RESET_TERMIOS 0x0002
#define TTY_DRIVER_REAL_RAW 0x0004
#define TTY_DRIVER_DYNAMIC_DEV 0x0008
#define TTY_DRIVER_DEVPTS_MEM 0x0010
+#define TTY_DRIVER_HARDWARE_BREAK 0x0020
/* tty driver types */
#define TTY_DRIVER_TYPE_SYSTEM 0x0001
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 8f891cbaf9a..09a3e6a7518 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -62,7 +62,7 @@
*/
struct usb_serial_port {
struct usb_serial *serial;
- struct tty_struct *tty;
+ struct tty_port port;
spinlock_t lock;
struct mutex mutex;
unsigned char number;
@@ -89,7 +89,6 @@ struct usb_serial_port {
wait_queue_head_t write_wait;
struct work_struct work;
- int open_count;
char throttled;
char throttle_req;
char console;
@@ -217,22 +216,27 @@ struct usb_serial_driver {
int (*resume)(struct usb_serial *serial);
/* serial function calls */
- int (*open)(struct usb_serial_port *port, struct file *filp);
- void (*close)(struct usb_serial_port *port, struct file *filp);
- int (*write)(struct usb_serial_port *port, const unsigned char *buf,
- int count);
- int (*write_room)(struct usb_serial_port *port);
- int (*ioctl)(struct usb_serial_port *port, struct file *file,
+ /* Called by console with tty = NULL and by tty */
+ int (*open)(struct tty_struct *tty,
+ struct usb_serial_port *port, struct file *filp);
+ void (*close)(struct tty_struct *tty,
+ struct usb_serial_port *port, struct file *filp);
+ int (*write)(struct tty_struct *tty, struct usb_serial_port *port,
+ const unsigned char *buf, int count);
+ /* Called only by the tty layer */
+ int (*write_room)(struct tty_struct *tty);
+ int (*ioctl)(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg);
- void (*set_termios)(struct usb_serial_port *port, struct ktermios *old);
- void (*break_ctl)(struct usb_serial_port *port, int break_state);
- int (*chars_in_buffer)(struct usb_serial_port *port);
- void (*throttle)(struct usb_serial_port *port);
- void (*unthrottle)(struct usb_serial_port *port);
- int (*tiocmget)(struct usb_serial_port *port, struct file *file);
- int (*tiocmset)(struct usb_serial_port *port, struct file *file,
+ void (*set_termios)(struct tty_struct *tty,
+ struct usb_serial_port *port, struct ktermios *old);
+ void (*break_ctl)(struct tty_struct *tty, int break_state);
+ int (*chars_in_buffer)(struct tty_struct *tty);
+ void (*throttle)(struct tty_struct *tty);
+ void (*unthrottle)(struct tty_struct *tty);
+ int (*tiocmget)(struct tty_struct *tty, struct file *file);
+ int (*tiocmset)(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
-
+ /* USB events */
void (*read_int_callback)(struct urb *urb);
void (*write_int_callback)(struct urb *urb);
void (*read_bulk_callback)(struct urb *urb);
@@ -270,19 +274,19 @@ static inline void usb_serial_console_disconnect(struct usb_serial *serial) {}
/* Functions needed by other parts of the usbserial core */
extern struct usb_serial *usb_serial_get_by_index(unsigned int minor);
extern void usb_serial_put(struct usb_serial *serial);
-extern int usb_serial_generic_open(struct usb_serial_port *port,
- struct file *filp);
-extern int usb_serial_generic_write(struct usb_serial_port *port,
- const unsigned char *buf, int count);
-extern void usb_serial_generic_close(struct usb_serial_port *port,
- struct file *filp);
+extern int usb_serial_generic_open(struct tty_struct *tty,
+ struct usb_serial_port *port, struct file *filp);
+extern int usb_serial_generic_write(struct tty_struct *tty,
+ struct usb_serial_port *port, const unsigned char *buf, int count);
+extern void usb_serial_generic_close(struct tty_struct *tty,
+ struct usb_serial_port *port, struct file *filp);
extern int usb_serial_generic_resume(struct usb_serial *serial);
-extern int usb_serial_generic_write_room(struct usb_serial_port *port);
-extern int usb_serial_generic_chars_in_buffer(struct usb_serial_port *port);
+extern int usb_serial_generic_write_room(struct tty_struct *tty);
+extern int usb_serial_generic_chars_in_buffer(struct tty_struct *tty);
extern void usb_serial_generic_read_bulk_callback(struct urb *urb);
extern void usb_serial_generic_write_bulk_callback(struct urb *urb);
-extern void usb_serial_generic_throttle(struct usb_serial_port *port);
-extern void usb_serial_generic_unthrottle(struct usb_serial_port *port);
+extern void usb_serial_generic_throttle(struct tty_struct *tty);
+extern void usb_serial_generic_unthrottle(struct tty_struct *tty);
extern void usb_serial_generic_shutdown(struct usb_serial *serial);
extern int usb_serial_generic_register(int debug);
extern void usb_serial_generic_deregister(void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-23 15:55:38 +0000