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-rw-r--r--include/linux/console.h5
-rw-r--r--include/linux/pci_ids.h15
-rw-r--r--include/linux/platform_data/serial-sccnxp.h (renamed from include/linux/platform_data/sccnxp.h)6
-rw-r--r--include/linux/proc_fs.h5
-rw-r--r--include/linux/serial_8250.h4
-rw-r--r--include/linux/serial_core.h23
-rw-r--r--include/linux/tty.h50
-rw-r--r--include/linux/tty_flip.h28
8 files changed, 103 insertions, 33 deletions
diff --git a/include/linux/console.h b/include/linux/console.h
index dedb082fe50f..3b709da1786e 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -157,7 +157,12 @@ extern int is_console_locked(void);
extern int braille_register_console(struct console *, int index,
char *console_options, char *braille_options);
extern int braille_unregister_console(struct console *);
+#ifdef CONFIG_TTY
extern void console_sysfs_notify(void);
+#else
+static inline void console_sysfs_notify(void)
+{ }
+#endif
extern bool console_suspend_enabled;
/* Suspend and resume console messages over PM events */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 0eb65796bcb9..19e8d7a42b34 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1868,8 +1868,23 @@
#define PCI_VENDOR_ID_QUATECH 0x135C
#define PCI_DEVICE_ID_QUATECH_QSC100 0x0010
#define PCI_DEVICE_ID_QUATECH_DSC100 0x0020
+#define PCI_DEVICE_ID_QUATECH_DSC200 0x0030
+#define PCI_DEVICE_ID_QUATECH_QSC200 0x0040
#define PCI_DEVICE_ID_QUATECH_ESC100D 0x0050
#define PCI_DEVICE_ID_QUATECH_ESC100M 0x0060
+#define PCI_DEVICE_ID_QUATECH_QSCP100 0x0120
+#define PCI_DEVICE_ID_QUATECH_DSCP100 0x0130
+#define PCI_DEVICE_ID_QUATECH_QSCP200 0x0140
+#define PCI_DEVICE_ID_QUATECH_DSCP200 0x0150
+#define PCI_DEVICE_ID_QUATECH_QSCLP100 0x0170
+#define PCI_DEVICE_ID_QUATECH_DSCLP100 0x0180
+#define PCI_DEVICE_ID_QUATECH_DSC100E 0x0181
+#define PCI_DEVICE_ID_QUATECH_SSCLP100 0x0190
+#define PCI_DEVICE_ID_QUATECH_QSCLP200 0x01A0
+#define PCI_DEVICE_ID_QUATECH_DSCLP200 0x01B0
+#define PCI_DEVICE_ID_QUATECH_DSC200E 0x01B1
+#define PCI_DEVICE_ID_QUATECH_SSCLP200 0x01C0
+#define PCI_DEVICE_ID_QUATECH_ESCLP100 0x01E0
#define PCI_DEVICE_ID_QUATECH_SPPXP_100 0x0278
#define PCI_VENDOR_ID_SEALEVEL 0x135e
diff --git a/include/linux/platform_data/sccnxp.h b/include/linux/platform_data/serial-sccnxp.h
index 7311ccd3217f..215574d1e81d 100644
--- a/include/linux/platform_data/sccnxp.h
+++ b/include/linux/platform_data/serial-sccnxp.h
@@ -11,8 +11,8 @@
* (at your option) any later version.
*/
-#ifndef __SCCNXP_H
-#define __SCCNXP_H
+#ifndef _PLATFORM_DATA_SERIAL_SCCNXP_H_
+#define _PLATFORM_DATA_SERIAL_SCCNXP_H_
#define SCCNXP_MAX_UARTS 2
@@ -84,6 +84,8 @@ struct sccnxp_pdata {
const u8 reg_shift;
/* Modem control lines configuration */
const u32 mctrl_cfg[SCCNXP_MAX_UARTS];
+ /* Timer value for polling mode (usecs) */
+ const unsigned int poll_time_us;
/* Called during startup */
void (*init)(void);
/* Called before finish */
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 32676b35d2f5..3c22538aab66 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -127,7 +127,12 @@ extern void pid_ns_release_proc(struct pid_namespace *ns);
* proc_tty.c
*/
struct tty_driver;
+#ifdef CONFIG_TTY
extern void proc_tty_init(void);
+#else
+static inline void proc_tty_init(void)
+{ }
+#endif
extern void proc_tty_register_driver(struct tty_driver *driver);
extern void proc_tty_unregister_driver(struct tty_driver *driver);
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index c490d20b3fb8..af47a8af6024 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -59,6 +59,8 @@ enum {
PLAT8250_DEV_SM501,
};
+struct uart_8250_dma;
+
/*
* This should be used by drivers which want to register
* their own 8250 ports without registering their own
@@ -91,6 +93,8 @@ struct uart_8250_port {
#define MSR_SAVE_FLAGS UART_MSR_ANY_DELTA
unsigned char msr_saved_flags;
+ struct uart_8250_dma *dma;
+
/* 8250 specific callbacks */
int (*dl_read)(struct uart_8250_port *);
void (*dl_write)(struct uart_8250_port *, int);
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index c6690a2a27fb..82aebc8ff77f 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -37,8 +37,8 @@ struct serial_struct;
struct device;
/*
- * This structure describes all the operations that can be
- * done on the physical hardware.
+ * This structure describes all the operations that can be done on the
+ * physical hardware. See Documentation/serial/driver for details.
*/
struct uart_ops {
unsigned int (*tx_empty)(struct uart_port *);
@@ -65,7 +65,7 @@ struct uart_ops {
/*
* Return a string describing the type of the port
*/
- const char *(*type)(struct uart_port *);
+ const char *(*type)(struct uart_port *);
/*
* Release IO and memory resources used by the port.
@@ -83,7 +83,7 @@ struct uart_ops {
int (*ioctl)(struct uart_port *, unsigned int, unsigned long);
#ifdef CONFIG_CONSOLE_POLL
int (*poll_init)(struct uart_port *);
- void (*poll_put_char)(struct uart_port *, unsigned char);
+ void (*poll_put_char)(struct uart_port *, unsigned char);
int (*poll_get_char)(struct uart_port *);
#endif
};
@@ -136,7 +136,6 @@ struct uart_port {
#define UPIO_MEM32 (3)
#define UPIO_AU (4) /* Au1x00 type IO */
#define UPIO_TSI (5) /* Tsi108/109 type IO */
-#define UPIO_RM9000 (6) /* RM9000 type IO */
unsigned int read_status_mask; /* driver specific */
unsigned int ignore_status_mask; /* driver specific */
@@ -208,13 +207,25 @@ static inline void serial_port_out(struct uart_port *up, int offset, int value)
up->serial_out(up, offset, value);
}
+/**
+ * enum uart_pm_state - power states for UARTs
+ * @UART_PM_STATE_ON: UART is powered, up and operational
+ * @UART_PM_STATE_OFF: UART is powered off
+ * @UART_PM_STATE_UNDEFINED: sentinel
+ */
+enum uart_pm_state {
+ UART_PM_STATE_ON = 0,
+ UART_PM_STATE_OFF = 3, /* number taken from ACPI */
+ UART_PM_STATE_UNDEFINED,
+};
+
/*
* This is the state information which is persistent across opens.
*/
struct uart_state {
struct tty_port port;
- int pm_state;
+ enum uart_pm_state pm_state;
struct circ_buf xmit;
struct uart_port *uart_port;
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 8db1b569c37a..c75d886b0307 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -202,7 +202,8 @@ struct tty_port {
unsigned long iflags; /* TTYP_ internal flags */
#define TTYP_FLUSHING 1 /* Flushing to ldisc in progress */
#define TTYP_FLUSHPENDING 2 /* Queued buffer flush pending */
- unsigned char console:1; /* port is a console */
+ unsigned char console:1, /* port is a console */
+ low_latency:1; /* direct buffer flush */
struct mutex mutex; /* Locking */
struct mutex buf_mutex; /* Buffer alloc lock */
unsigned char *xmit_buf; /* Optional buffer */
@@ -254,7 +255,7 @@ struct tty_struct {
int count;
struct winsize winsize; /* termios mutex */
unsigned char stopped:1, hw_stopped:1, flow_stopped:1, packet:1;
- unsigned char low_latency:1, warned:1;
+ unsigned char warned:1;
unsigned char ctrl_status; /* ctrl_lock */
unsigned int receive_room; /* Bytes free for queue */
@@ -317,11 +318,43 @@ struct tty_file_private {
#define TTY_WRITE_FLUSH(tty) tty_write_flush((tty))
+#ifdef CONFIG_TTY
+extern void console_init(void);
+extern void tty_kref_put(struct tty_struct *tty);
+extern struct pid *tty_get_pgrp(struct tty_struct *tty);
+extern void tty_vhangup_self(void);
+extern void disassociate_ctty(int priv);
+extern dev_t tty_devnum(struct tty_struct *tty);
+extern void proc_clear_tty(struct task_struct *p);
+extern struct tty_struct *get_current_tty(void);
+/* tty_io.c */
+extern int __init tty_init(void);
+#else
+static inline void console_init(void)
+{ }
+static inline void tty_kref_put(struct tty_struct *tty)
+{ }
+static inline struct pid *tty_get_pgrp(struct tty_struct *tty)
+{ return NULL; }
+static inline void tty_vhangup_self(void)
+{ }
+static inline void disassociate_ctty(int priv)
+{ }
+static inline dev_t tty_devnum(struct tty_struct *tty)
+{ return 0; }
+static inline void proc_clear_tty(struct task_struct *p)
+{ }
+static inline struct tty_struct *get_current_tty(void)
+{ return NULL; }
+/* tty_io.c */
+static inline int __init tty_init(void)
+{ return 0; }
+#endif
+
extern void tty_write_flush(struct tty_struct *);
extern struct ktermios tty_std_termios;
-extern void console_init(void);
extern int vcs_init(void);
extern struct class *tty_class;
@@ -341,7 +374,6 @@ static inline struct tty_struct *tty_kref_get(struct tty_struct *tty)
kref_get(&tty->kref);
return tty;
}
-extern void tty_kref_put(struct tty_struct *tty);
extern int tty_paranoia_check(struct tty_struct *tty, struct inode *inode,
const char *routine);
@@ -373,20 +405,16 @@ extern void tty_driver_remove_tty(struct tty_driver *driver,
struct tty_struct *tty);
extern void tty_free_termios(struct tty_struct *tty);
extern int is_current_pgrp_orphaned(void);
-extern struct pid *tty_get_pgrp(struct tty_struct *tty);
extern int is_ignored(int sig);
extern int tty_signal(int sig, struct tty_struct *tty);
extern void tty_hangup(struct tty_struct *tty);
extern void tty_vhangup(struct tty_struct *tty);
extern void tty_vhangup_locked(struct tty_struct *tty);
-extern void tty_vhangup_self(void);
extern void tty_unhangup(struct file *filp);
extern int tty_hung_up_p(struct file *filp);
extern void do_SAK(struct tty_struct *tty);
extern void __do_SAK(struct tty_struct *tty);
-extern void disassociate_ctty(int priv);
extern void no_tty(void);
-extern void tty_flip_buffer_push(struct tty_struct *tty);
extern void tty_flush_to_ldisc(struct tty_struct *tty);
extern void tty_buffer_free_all(struct tty_port *port);
extern void tty_buffer_flush(struct tty_struct *tty);
@@ -415,9 +443,6 @@ extern long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
extern int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg);
extern int tty_perform_flush(struct tty_struct *tty, unsigned long arg);
-extern dev_t tty_devnum(struct tty_struct *tty);
-extern void proc_clear_tty(struct task_struct *p);
-extern struct tty_struct *get_current_tty(void);
extern void tty_default_fops(struct file_operations *fops);
extern struct tty_struct *alloc_tty_struct(void);
extern int tty_alloc_file(struct file *file);
@@ -543,9 +568,6 @@ static inline int tty_audit_push_task(struct task_struct *tsk,
}
#endif
-/* tty_io.c */
-extern int __init tty_init(void);
-
/* tty_ioctl.c */
extern int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg);
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
index 2002344ed36a..e0f252633b47 100644
--- a/include/linux/tty_flip.h
+++ b/include/linux/tty_flip.h
@@ -1,28 +1,34 @@
#ifndef _LINUX_TTY_FLIP_H
#define _LINUX_TTY_FLIP_H
-extern int tty_buffer_request_room(struct tty_struct *tty, size_t size);
-extern int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size);
-extern int tty_insert_flip_string_fixed_flag(struct tty_struct *tty, const unsigned char *chars, char flag, size_t size);
-extern int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, size_t size);
-extern int tty_prepare_flip_string_flags(struct tty_struct *tty, unsigned char **chars, char **flags, size_t size);
-void tty_schedule_flip(struct tty_struct *tty);
+extern int tty_buffer_request_room(struct tty_port *port, size_t size);
+extern int tty_insert_flip_string_flags(struct tty_port *port,
+ const unsigned char *chars, const char *flags, size_t size);
+extern int tty_insert_flip_string_fixed_flag(struct tty_port *port,
+ const unsigned char *chars, char flag, size_t size);
+extern int tty_prepare_flip_string(struct tty_port *port,
+ unsigned char **chars, size_t size);
+extern int tty_prepare_flip_string_flags(struct tty_port *port,
+ unsigned char **chars, char **flags, size_t size);
+extern void tty_flip_buffer_push(struct tty_port *port);
+void tty_schedule_flip(struct tty_port *port);
-static inline int tty_insert_flip_char(struct tty_struct *tty,
+static inline int tty_insert_flip_char(struct tty_port *port,
unsigned char ch, char flag)
{
- struct tty_buffer *tb = tty->port->buf.tail;
+ struct tty_buffer *tb = port->buf.tail;
if (tb && tb->used < tb->size) {
tb->flag_buf_ptr[tb->used] = flag;
tb->char_buf_ptr[tb->used++] = ch;
return 1;
}
- return tty_insert_flip_string_flags(tty, &ch, &flag, 1);
+ return tty_insert_flip_string_flags(port, &ch, &flag, 1);
}
-static inline int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size)
+static inline int tty_insert_flip_string(struct tty_port *port,
+ const unsigned char *chars, size_t size)
{
- return tty_insert_flip_string_fixed_flag(tty, chars, TTY_NORMAL, size);
+ return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size);
}
#endif /* _LINUX_TTY_FLIP_H */
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-04-07 07:52:17 +0000