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Searched refs:tty (Results 1 – 25 of 217) sorted by relevance

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/linux/drivers/tty/
H A Dn_tty.c155 static void zero_buffer(const struct tty_struct *tty, u8 *buffer, size_t size) in zero_buffer() argument
157 if (L_ICANON(tty) && !L_ECHO(tty)) in zero_buffer()
161 static void tty_copy(const struct tty_struct *tty, void *to, size_t tail, in tty_copy() argument
164 struct n_tty_data *ldata = tty->disc_data; in tty_copy()
169 tty_audit_add_data(tty, from, size); in tty_copy()
171 zero_buffer(tty, from, size); in tty_copy()
177 tty_audit_add_data(tty, from, n); in tty_copy()
179 zero_buffer(tty, from, n); in tty_copy()
193 static void n_tty_kick_worker(const struct tty_struct *tty) in n_tty_kick_worker() argument
195 struct n_tty_data *ldata = tty->disc_data; in n_tty_kick_worker()
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H A Dtty_io.c116 # define tty_debug_hangup(tty, f, args...) tty_debug(tty, f, ##args) argument
118 # define tty_debug_hangup(tty, f, args...) do { } while (0) argument
159 static void release_tty(struct tty_struct *tty, int idx);
169 static void free_tty_struct(struct tty_struct *tty) in free_tty_struct() argument
171 tty_ldisc_deinit(tty); in free_tty_struct()
172 put_device(tty->dev); in free_tty_struct()
173 kvfree(tty->write_buf); in free_tty_struct()
174 kfree(tty); in free_tty_struct()
179 return ((struct tty_file_private *)file->private_data)->tty; in file_tty()
196 void tty_add_file(struct tty_struct *tty, struct file *file) in tty_add_file() argument
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H A Dtty_ioctl.c48 unsigned int tty_chars_in_buffer(struct tty_struct *tty) in tty_chars_in_buffer() argument
50 if (tty->ops->chars_in_buffer) in tty_chars_in_buffer()
51 return tty->ops->chars_in_buffer(tty); in tty_chars_in_buffer()
66 unsigned int tty_write_room(struct tty_struct *tty) in tty_write_room() argument
68 if (tty->ops->write_room) in tty_write_room()
69 return tty->ops->write_room(tty); in tty_write_room()
82 void tty_driver_flush_buffer(struct tty_struct *tty) in tty_driver_flush_buffer() argument
84 if (tty->ops->flush_buffer) in tty_driver_flush_buffer()
85 tty->ops->flush_buffer(tty); in tty_driver_flush_buffer()
101 void tty_unthrottle(struct tty_struct *tty) in tty_unthrottle() argument
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H A Dpty.c36 # define tty_debug_hangup(tty, f, args...) tty_debug(tty, f, ##args) argument
38 # define tty_debug_hangup(tty, f, args...) do {} while (0) argument
47 static void pty_close(struct tty_struct *tty, struct file *filp) in pty_close() argument
49 if (tty->driver->subtype == PTY_TYPE_MASTER) in pty_close()
50 WARN_ON(tty->count > 1); in pty_close()
52 if (tty_io_error(tty)) in pty_close()
54 if (tty->count > 2) in pty_close()
57 set_bit(TTY_IO_ERROR, &tty->flags); in pty_close()
58 wake_up_interruptible(&tty->read_wait); in pty_close()
59 wake_up_interruptible(&tty->write_wait); in pty_close()
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H A Dtty_jobctrl.c33 int __tty_check_change(struct tty_struct *tty, int sig) in __tty_check_change() argument
39 if (current->signal->tty != tty) in __tty_check_change()
45 spin_lock_irqsave(&tty->ctrl.lock, flags); in __tty_check_change()
46 tty_pgrp = tty->ctrl.pgrp; in __tty_check_change()
47 spin_unlock_irqrestore(&tty->ctrl.lock, flags); in __tty_check_change()
64 tty_warn(tty, "sig=%d, tty->pgrp == NULL!\n", sig); in __tty_check_change()
69 int tty_check_change(struct tty_struct *tty) in tty_check_change() argument
71 return __tty_check_change(tty, SIGTTOU); in tty_check_change()
78 struct tty_struct *tty; in proc_clear_tty() local
81 tty = p->signal->tty; in proc_clear_tty()
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H A Dtty.h9 #define tty_msg(fn, tty, f, ...) \ argument
10 fn("%s %s: " f, tty_driver_name(tty), tty_name(tty), ##__VA_ARGS__)
12 #define tty_debug(tty, f, ...) tty_msg(pr_debug, tty, f, ##__VA_ARGS__) argument
13 #define tty_notice(tty, f, ...) tty_msg(pr_notice, tty, f, ##__VA_ARGS__) argument
14 #define tty_warn(tty, f, ...) tty_msg(pr_warn, tty, f, ##__VA_ARGS__) argument
15 #define tty_err(tty, f, ...) tty_msg(pr_err, tty, f, ##__VA_ARGS__) argument
17 #define tty_info_ratelimited(tty, f, ...) \ argument
18 tty_msg(pr_info_ratelimited, tty, f, ##__VA_ARGS__)
50 static inline void __tty_set_flow_change(struct tty_struct *tty, in __tty_set_flow_change() argument
53 tty->flow_change = val; in __tty_set_flow_change()
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H A Dtty_mutex.c15 void tty_lock(struct tty_struct *tty) in tty_lock() argument
17 tty_kref_get(tty); in tty_lock()
18 mutex_lock(&tty->legacy_mutex); in tty_lock()
22 int tty_lock_interruptible(struct tty_struct *tty) in tty_lock_interruptible() argument
26 tty_kref_get(tty); in tty_lock_interruptible()
27 ret = mutex_lock_interruptible(&tty->legacy_mutex); in tty_lock_interruptible()
29 tty_kref_put(tty); in tty_lock_interruptible()
33 void tty_unlock(struct tty_struct *tty) in tty_unlock() argument
35 mutex_unlock(&tty->legacy_mutex); in tty_unlock()
36 tty_kref_put(tty); in tty_unlock()
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H A Dn_hdlc.c159 static void flush_rx_queue(struct tty_struct *tty) in flush_rx_queue() argument
161 struct n_hdlc *n_hdlc = tty->disc_data; in flush_rx_queue()
168 static void flush_tx_queue(struct tty_struct *tty) in flush_tx_queue() argument
170 struct n_hdlc *n_hdlc = tty->disc_data; in flush_tx_queue()
194 static void n_hdlc_tty_close(struct tty_struct *tty) in n_hdlc_tty_close() argument
196 struct n_hdlc *n_hdlc = tty->disc_data; in n_hdlc_tty_close()
199 clear_bit(TTY_NO_WRITE_SPLIT, &tty->flags); in n_hdlc_tty_close()
201 tty->disc_data = NULL; in n_hdlc_tty_close()
204 wake_up_interruptible(&tty->read_wait); in n_hdlc_tty_close()
205 wake_up_interruptible(&tty->write_wait); in n_hdlc_tty_close()
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H A Dvcc.c27 struct tty_struct *tty; /* only populated while dev is open */ member
277 static int vcc_rx_check(struct tty_struct *tty, int size) in vcc_rx_check() argument
279 if (WARN_ON(!tty || !tty->port)) in vcc_rx_check()
285 if (test_bit(TTY_THROTTLED, &tty->flags) || in vcc_rx_check()
286 (tty_buffer_request_room(tty->port, VCC_BUFF_LEN) < VCC_BUFF_LEN)) in vcc_rx_check()
292 static int vcc_rx(struct tty_struct *tty, char *buf, int size) in vcc_rx() argument
296 if (WARN_ON(!tty || !tty->port)) in vcc_rx()
299 len = tty_insert_flip_string(tty->port, buf, size); in vcc_rx()
301 tty_flip_buffer_push(tty->port); in vcc_rx()
309 struct tty_struct *tty; in vcc_ldc_read() local
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/linux/drivers/tty/ipwireless/
H A Dtty.c90 struct ipw_tty *tty = get_tty(linux_tty->index); in ipw_open() local
92 if (!tty) in ipw_open()
95 mutex_lock(&tty->ipw_tty_mutex); in ipw_open()
96 if (tty->port.count == 0) in ipw_open()
97 tty->tx_bytes_queued = 0; in ipw_open()
99 tty->port.count++; in ipw_open()
101 tty->port.tty = linux_tty; in ipw_open()
102 linux_tty->driver_data = tty; in ipw_open()
104 if (tty->tty_type == TTYTYPE_MODEM) in ipw_open()
105 ipwireless_ppp_open(tty->network); in ipw_open()
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/linux/drivers/accessibility/speakup/
H A Dspk_ttyio.c47 static int spk_ttyio_ldisc_open(struct tty_struct *tty) in spk_ttyio_ldisc_open() argument
51 if (tty != speakup_tty) in spk_ttyio_ldisc_open()
55 if (!tty->ops->write) in spk_ttyio_ldisc_open()
64 tty->disc_data = ldisc_data; in spk_ttyio_ldisc_open()
69 static void spk_ttyio_ldisc_close(struct tty_struct *tty) in spk_ttyio_ldisc_close() argument
71 kfree(tty->disc_data); in spk_ttyio_ldisc_close()
74 static size_t spk_ttyio_receive_buf2(struct tty_struct *tty, const u8 *cp, in spk_ttyio_receive_buf2() argument
77 struct spk_ldisc_data *ldisc_data = tty->disc_data; in spk_ttyio_receive_buf2()
135 static inline void get_termios(struct tty_struct *tty, in get_termios() argument
138 down_read(&tty->termios_rwsem); in get_termios()
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H A Dselection.c22 struct tty_struct *tty; member
30 struct tty_struct *tty; in __speakup_set_selection() local
39 tty = xchg(&ssw->tty, NULL); in __speakup_set_selection()
51 set_selection_kernel(&sel, tty); in __speakup_set_selection()
54 tty_kref_put(tty); in __speakup_set_selection()
62 int speakup_set_selection(struct tty_struct *tty) in speakup_set_selection() argument
70 tty_kref_get(tty); in speakup_set_selection()
71 if (cmpxchg(&speakup_sel_work.tty, NULL, tty)) { in speakup_set_selection()
72 tty_kref_put(tty); in speakup_set_selection()
94 struct tty_struct *tty; in speakup_cancel_selection() local
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/linux/net/nfc/nci/
H A Duart.c74 struct tty_struct *tty = nu->tty; in nci_uart_write_work() local
86 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in nci_uart_write_work()
87 len = tty->ops->write(tty, skb->data, skb->len); in nci_uart_write_work()
105 static int nci_uart_set_driver(struct tty_struct *tty, unsigned int driver) in nci_uart_set_driver() argument
121 nu->tty = tty; in nci_uart_set_driver()
135 tty->disc_data = nu; in nci_uart_set_driver()
151 static int nci_uart_tty_open(struct tty_struct *tty) in nci_uart_tty_open() argument
156 if (!tty->ops->write) in nci_uart_tty_open()
159 tty->disc_data = NULL; in nci_uart_tty_open()
160 tty->receive_room = 65536; in nci_uart_tty_open()
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/linux/drivers/input/serio/
H A Dserport.c32 struct tty_struct *tty; member
47 return -(serport->tty->ops->write(serport->tty, &data, 1) != 1); in serport_serio_write()
74 static int serport_ldisc_open(struct tty_struct *tty) in serport_ldisc_open() argument
85 serport->tty = tty; in serport_ldisc_open()
89 tty->disc_data = serport; in serport_ldisc_open()
90 tty->receive_room = 256; in serport_ldisc_open()
91 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in serport_ldisc_open()
100 static void serport_ldisc_close(struct tty_struct *tty) in serport_ldisc_close() argument
102 struct serport *serport = tty->disc_data; in serport_ldisc_close()
113 static void serport_ldisc_receive(struct tty_struct *tty, const u8 *cp, in serport_ldisc_receive() argument
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/linux/drivers/bluetooth/
H A Dhci_ldisc.c150 struct tty_struct *tty = hu->tty; in hci_uart_write_work() local
164 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in hci_uart_write_work()
165 len = tty->ops->write(tty, skb->data, skb->len); in hci_uart_write_work()
230 struct tty_struct *tty = hu->tty; in hci_uart_flush() local
232 BT_DBG("hdev %p tty %p", hdev, tty); in hci_uart_flush()
239 tty_ldisc_flush(tty); in hci_uart_flush()
240 tty_driver_flush_buffer(tty); in hci_uart_flush()
304 if (hu->tty->driver->ops->tiocmget && hu->tty->driver->ops->tiocmset) in hci_uart_has_flow_control()
313 struct tty_struct *tty = hu->tty; in hci_uart_set_flow_control() local
327 ktermios = tty->termios; in hci_uart_set_flow_control()
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/linux/drivers/usb/serial/
H A Dupd78f0730.c183 static int upd78f0730_tiocmget(struct tty_struct *tty) in upd78f0730_tiocmget() argument
186 struct usb_serial_port *port = tty->driver_data; in upd78f0730_tiocmget()
204 static int upd78f0730_tiocmset(struct tty_struct *tty, in upd78f0730_tiocmset() argument
207 struct usb_serial_port *port = tty->driver_data; in upd78f0730_tiocmset()
241 static int upd78f0730_break_ctl(struct tty_struct *tty, int break_state) in upd78f0730_break_ctl() argument
244 struct usb_serial_port *port = tty->driver_data; in upd78f0730_break_ctl()
270 struct tty_struct *tty = port->port.tty; in upd78f0730_dtr_rts() local
279 upd78f0730_tiocmset(tty, set, clear); in upd78f0730_dtr_rts()
282 static speed_t upd78f0730_get_baud_rate(struct tty_struct *tty) in upd78f0730_get_baud_rate() argument
284 const speed_t baud_rate = tty_get_baud_rate(tty); in upd78f0730_get_baud_rate()
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H A Dxr_serial.c107 static void xr21v141x_set_line_settings(struct tty_struct *tty,
137 void (*set_line_settings)(struct tty_struct *tty,
438 static int xr_tiocmget(struct tty_struct *tty) in xr_tiocmget() argument
440 struct usb_serial_port *port = tty->driver_data; in xr_tiocmget()
492 static int xr_tiocmset(struct tty_struct *tty, in xr_tiocmset() argument
495 struct usb_serial_port *port = tty->driver_data; in xr_tiocmset()
508 static int xr_break_ctl(struct tty_struct *tty, int break_state) in xr_break_ctl() argument
510 struct usb_serial_port *port = tty->driver_data; in xr_break_ctl()
561 static int xr21v141x_set_baudrate(struct tty_struct *tty, struct usb_serial_port *port) in xr21v141x_set_baudrate() argument
567 baud = tty->termios.c_ospeed; in xr21v141x_set_baudrate()
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H A Dconsole.c67 struct tty_struct *tty = NULL; in usb_console_setup() local
136 tty = kzalloc(sizeof(*tty), GFP_KERNEL); in usb_console_setup()
137 if (!tty) { in usb_console_setup()
141 kref_init(&tty->kref); in usb_console_setup()
142 tty->driver = usb_serial_tty_driver; in usb_console_setup()
143 tty->index = co->index; in usb_console_setup()
144 init_ldsem(&tty->ldisc_sem); in usb_console_setup()
145 spin_lock_init(&tty->files_lock); in usb_console_setup()
146 INIT_LIST_HEAD(&tty->tty_files); in usb_console_setup()
147 kref_get(&tty->driver->kref); in usb_console_setup()
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/linux/sound/soc/codecs/
H A Dcx20442.c12 #include <linux/tty.h>
25 struct tty_struct *tty; member
162 /* tty and write pointers required for talking to the modem in cx20442_write()
164 if (!cx20442->tty || !cx20442->tty->ops->write) in cx20442_write()
193 if (cx20442->tty->ops->write(cx20442->tty, buf, len) != len) in cx20442_write()
212 static int v253_open(struct tty_struct *tty) in v253_open() argument
217 if (!tty->ops->write) in v253_open()
221 if (!tty in v253_open()
237 v253_close(struct tty_struct * tty) v253_close() argument
255 v253_hangup(struct tty_struct * tty) v253_hangup() argument
261 v253_receive(struct tty_struct * tty,const u8 * cp,const u8 * fp,size_t count) v253_receive() argument
388 struct tty_struct *tty = cx20442->tty; cx20442_component_remove() local
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/linux/tools/testing/selftests/tty/
H A Dtty_tstamp_update.c16 static bool tty_valid(char *tty) in tty_valid() argument
18 if (strlen(tty) < MIN_TTY_PATH_LEN) in tty_valid()
21 if (strncmp(tty, "/dev/tty", MIN_TTY_PATH_LEN) == 0 || in tty_valid()
22 strncmp(tty, "/dev/pts", MIN_TTY_PATH_LEN) == 0) in tty_valid()
48 char tty[PATH_MAX] = {}; in main() local
55 r = readlink("/proc/self/fd/0", tty, PATH_MAX); in main()
61 if (!tty_valid(tty)) { in main()
62 ksft_print_msg("invalid tty path '%s'\n", tty); in main()
68 r = stat(tty, &st1); in main()
70 ksft_print_msg("stat failed on tty path '%s': %m\n", tty); in main()
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/linux/include/linux/usb/
H A Dserial.h269 int (*open)(struct tty_struct *tty, struct usb_serial_port *port);
271 int (*write)(struct tty_struct *tty, struct usb_serial_port *port,
274 unsigned int (*write_room)(struct tty_struct *tty);
275 int (*ioctl)(struct tty_struct *tty,
277 void (*get_serial)(struct tty_struct *tty, struct serial_struct *ss);
278 int (*set_serial)(struct tty_struct *tty, struct serial_struct *ss);
279 void (*set_termios)(struct tty_struct *tty, struct usb_serial_port *port,
281 int (*break_ctl)(struct tty_struct *tty, int break_state);
282 unsigned int (*chars_in_buffer)(struct tty_struct *tty);
283 void (*wait_until_sent)(struct tty_struct *tty, long timeout);
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/linux/drivers/misc/bcm-vk/
H A Dbcm_vk_tty.c81 vktty = &vk->tty[i]; in bcm_vk_tty_wq_handler()
106 while (vk->tty[i].rd != wr) { in bcm_vk_tty_wq_handler()
126 static int bcm_vk_tty_open(struct tty_struct *tty, struct file *file) in bcm_vk_tty_open() argument
134 tty->driver_data = NULL; in bcm_vk_tty_open()
136 vk = (struct bcm_vk *)dev_get_drvdata(tty->dev); in bcm_vk_tty_open()
137 index = tty->index; in bcm_vk_tty_open()
142 vktty = &vk->tty[index]; in bcm_vk_tty_open()
163 if (tty->count == 1 && !vktty->irq_enabled) { in bcm_vk_tty_open()
170 static void bcm_vk_tty_close(struct tty_struct *tty, struct file *file) in bcm_vk_tty_close() argument
172 struct bcm_vk *vk = dev_get_drvdata(tty->dev); in bcm_vk_tty_close()
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/linux/drivers/tty/hvc/
H A Dhvc_console.c320 static void hvc_unthrottle(struct tty_struct *tty) in hvc_unthrottle() argument
325 static int hvc_install(struct tty_driver *driver, struct tty_struct *tty) in hvc_install() argument
331 hp = hvc_get_by_index(tty->index); in hvc_install()
335 tty->driver_data = hp; in hvc_install()
337 rc = tty_port_install(&hp->port, driver, tty); in hvc_install()
347 static int hvc_open(struct tty_struct *tty, struct file * filp) in hvc_open() argument
349 struct hvc_struct *hp = tty->driver_data; in hvc_open()
362 tty_port_tty_set(&hp->port, tty); in hvc_open()
377 if (C_BAUD(tty)) in hvc_open()
389 static void hvc_close(struct tty_struct *tty, struct file * filp) in hvc_close() argument
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/linux/arch/um/drivers/
H A Dline.c50 unsigned int line_write_room(struct tty_struct *tty) in line_write_room() argument
52 struct line *line = tty->driver_data; in line_write_room()
63 unsigned int line_chars_in_buffer(struct tty_struct *tty) in line_chars_in_buffer() argument
65 struct line *line = tty->driver_data; in line_chars_in_buffer()
168 void line_flush_buffer(struct tty_struct *tty) in line_flush_buffer() argument
170 struct line *line = tty->driver_data; in line_flush_buffer()
182 void line_flush_chars(struct tty_struct *tty) in line_flush_chars() argument
184 line_flush_buffer(tty); in line_flush_chars()
187 ssize_t line_write(struct tty_struct *tty, const u8 *buf, size_t len) in line_write() argument
189 struct line *line = tty->driver_data; in line_write()
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/linux/net/bluetooth/rfcomm/
H A Dtty.c110 static int rfcomm_dev_activate(struct tty_port *port, struct tty_struct *tty) in rfcomm_dev_activate() argument
117 set_bit(TTY_IO_ERROR, &tty->flags); in rfcomm_dev_activate()
321 struct device *tty; in rfcomm_dev_add() local
331 tty = tty_port_register_device(&dev->port, rfcomm_tty_driver, in rfcomm_dev_add()
333 if (IS_ERR(tty)) { in rfcomm_dev_add()
335 return PTR_ERR(tty); in rfcomm_dev_add()
338 dev->tty_dev = tty; in rfcomm_dev_add()
677 static void rfcomm_tty_cleanup(struct tty_struct *tty) in rfcomm_tty_cleanup() argument
679 struct rfcomm_dev *dev = tty->driver_data; in rfcomm_tty_cleanup()
684 tty->driver_data = NULL; in rfcomm_tty_cleanup()
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