| /Linux-v4.19/include/linux/ |
| D | tty.h | 106 #define INTR_CHAR(tty) ((tty)->termios.c_cc[VINTR]) argument
107 #define QUIT_CHAR(tty) ((tty)->termios.c_cc[VQUIT]) argument
108 #define ERASE_CHAR(tty) ((tty)->termios.c_cc[VERASE]) argument
109 #define KILL_CHAR(tty) ((tty)->termios.c_cc[VKILL]) argument
110 #define EOF_CHAR(tty) ((tty)->termios.c_cc[VEOF]) argument
111 #define TIME_CHAR(tty) ((tty)->termios.c_cc[VTIME]) argument
112 #define MIN_CHAR(tty) ((tty)->termios.c_cc[VMIN]) argument
113 #define SWTC_CHAR(tty) ((tty)->termios.c_cc[VSWTC]) argument
114 #define START_CHAR(tty) ((tty)->termios.c_cc[VSTART]) argument
115 #define STOP_CHAR(tty) ((tty)->termios.c_cc[VSTOP]) argument
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| D | tty_driver.h | 256 int (*install)(struct tty_driver *driver, struct tty_struct *tty);
257 void (*remove)(struct tty_driver *driver, struct tty_struct *tty);
258 int (*open)(struct tty_struct * tty, struct file * filp);
259 void (*close)(struct tty_struct * tty, struct file * filp);
260 void (*shutdown)(struct tty_struct *tty);
261 void (*cleanup)(struct tty_struct *tty);
262 int (*write)(struct tty_struct * tty,
264 int (*put_char)(struct tty_struct *tty, unsigned char ch);
265 void (*flush_chars)(struct tty_struct *tty);
266 int (*write_room)(struct tty_struct *tty);
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| /Linux-v4.19/drivers/tty/ |
| D | n_tty.c | 155 static int tty_copy_to_user(struct tty_struct *tty, void __user *to, in tty_copy_to_user() argument
158 struct n_tty_data *ldata = tty->disc_data; in tty_copy_to_user()
164 tty_audit_add_data(tty, from, size); in tty_copy_to_user()
173 tty_audit_add_data(tty, from, n); in tty_copy_to_user()
189 static void n_tty_kick_worker(struct tty_struct *tty) in n_tty_kick_worker() argument
191 struct n_tty_data *ldata = tty->disc_data; in n_tty_kick_worker()
197 WARN_RATELIMIT(tty->port->itty == NULL, in n_tty_kick_worker()
203 WARN_RATELIMIT(test_bit(TTY_LDISC_HALTED, &tty->flags), in n_tty_kick_worker()
205 tty_buffer_restart_work(tty->port); in n_tty_kick_worker()
209 static ssize_t chars_in_buffer(struct tty_struct *tty) in chars_in_buffer() argument
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| D | tty_ldisc.c | 26 #define tty_ldisc_debug(tty, f, args...) tty_debug(tty, f, ##args) argument
28 #define tty_ldisc_debug(tty, f, args...) argument
159 static struct tty_ldisc *tty_ldisc_get(struct tty_struct *tty, int disc) in tty_ldisc_get() argument
185 ld->tty = tty; in tty_ldisc_get()
259 struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *tty) in tty_ldisc_ref_wait() argument
263 ldsem_down_read(&tty->ldisc_sem, MAX_SCHEDULE_TIMEOUT); in tty_ldisc_ref_wait()
264 ld = tty->ldisc; in tty_ldisc_ref_wait()
266 ldsem_up_read(&tty->ldisc_sem); in tty_ldisc_ref_wait()
280 struct tty_ldisc *tty_ldisc_ref(struct tty_struct *tty) in tty_ldisc_ref() argument
284 if (ldsem_down_read_trylock(&tty->ldisc_sem)) { in tty_ldisc_ref()
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| D | tty_io.c | 112 # define tty_debug_hangup(tty, f, args...) tty_debug(tty, f, ##args) argument
114 # define tty_debug_hangup(tty, f, args...) do { } while (0) argument
158 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 kfree(tty->write_buf); in free_tty_struct()
174 tty->magic = 0xDEADDEAD; in free_tty_struct()
175 kfree(tty); in free_tty_struct()
180 return ((struct tty_file_private *)file->private_data)->tty; in file_tty()
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| D | tty_ioctl.c | 31 # define tty_debug_wait_until_sent(tty, f, args...) tty_debug(tty, f, ##args) argument
33 # define tty_debug_wait_until_sent(tty, f, args...) do {} while (0) argument
56 int tty_chars_in_buffer(struct tty_struct *tty) in tty_chars_in_buffer() argument
58 if (tty->ops->chars_in_buffer) in tty_chars_in_buffer()
59 return tty->ops->chars_in_buffer(tty); in tty_chars_in_buffer()
76 int tty_write_room(struct tty_struct *tty) in tty_write_room() argument
78 if (tty->ops->write_room) in tty_write_room()
79 return tty->ops->write_room(tty); in tty_write_room()
92 void tty_driver_flush_buffer(struct tty_struct *tty) in tty_driver_flush_buffer() argument
94 if (tty->ops->flush_buffer) in tty_driver_flush_buffer()
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| D | pty.c | 34 # define tty_debug_hangup(tty, f, args...) tty_debug(tty, f, ##args) argument
36 # define tty_debug_hangup(tty, f, args...) do {} while (0) argument
45 static void pty_close(struct tty_struct *tty, struct file *filp) in pty_close() argument
47 BUG_ON(!tty); in pty_close()
48 if (tty->driver->subtype == PTY_TYPE_MASTER) in pty_close()
49 WARN_ON(tty->count > 1); in pty_close()
51 if (tty_io_error(tty)) in pty_close()
53 if (tty->count > 2) in pty_close()
56 set_bit(TTY_IO_ERROR, &tty->flags); in pty_close()
57 wake_up_interruptible(&tty->read_wait); in pty_close()
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| D | tty_jobctrl.c | 31 int __tty_check_change(struct tty_struct *tty, int sig) in __tty_check_change() argument
37 if (current->signal->tty != tty) in __tty_check_change()
43 spin_lock_irqsave(&tty->ctrl_lock, flags); in __tty_check_change()
44 tty_pgrp = tty->pgrp; in __tty_check_change()
45 spin_unlock_irqrestore(&tty->ctrl_lock, flags); in __tty_check_change()
47 if (tty_pgrp && pgrp != tty->pgrp) { in __tty_check_change()
62 tty_warn(tty, "sig=%d, tty->pgrp == NULL!\n", sig); in __tty_check_change()
67 int tty_check_change(struct tty_struct *tty) in tty_check_change() argument
69 return __tty_check_change(tty, SIGTTOU); in tty_check_change()
76 struct tty_struct *tty; in proc_clear_tty() local
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| D | tty_mutex.c | 14 void tty_lock(struct tty_struct *tty) in tty_lock() argument
16 if (WARN(tty->magic != TTY_MAGIC, "L Bad %p\n", tty)) in tty_lock()
18 tty_kref_get(tty); in tty_lock()
19 mutex_lock(&tty->legacy_mutex); in tty_lock()
23 int tty_lock_interruptible(struct tty_struct *tty) in tty_lock_interruptible() argument
27 if (WARN(tty->magic != TTY_MAGIC, "L Bad %p\n", tty)) in tty_lock_interruptible()
29 tty_kref_get(tty); in tty_lock_interruptible()
30 ret = mutex_lock_interruptible(&tty->legacy_mutex); in tty_lock_interruptible()
32 tty_kref_put(tty); in tty_lock_interruptible()
36 void tty_unlock(struct tty_struct *tty) in tty_unlock() argument
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| D | tty_port.c | 27 struct tty_struct *tty; in tty_port_default_receive_buf() local
30 tty = READ_ONCE(port->itty); in tty_port_default_receive_buf()
31 if (!tty) in tty_port_default_receive_buf()
34 disc = tty_ldisc_ref(tty); in tty_port_default_receive_buf()
47 struct tty_struct *tty = tty_port_tty_get(port); in tty_port_default_wakeup() local
49 if (tty) { in tty_port_default_wakeup()
50 tty_wakeup(tty); in tty_port_default_wakeup()
51 tty_kref_put(tty); in tty_port_default_wakeup()
286 struct tty_struct *tty; in tty_port_tty_get() local
289 tty = tty_kref_get(port->tty); in tty_port_tty_get()
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| D | n_hdlc.c | 145 struct tty_struct *tty; member
177 static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file,
179 static ssize_t n_hdlc_tty_write(struct tty_struct *tty, struct file *file,
181 static int n_hdlc_tty_ioctl(struct tty_struct *tty, struct file *file,
183 static __poll_t n_hdlc_tty_poll(struct tty_struct *tty, struct file *filp,
185 static int n_hdlc_tty_open(struct tty_struct *tty);
186 static void n_hdlc_tty_close(struct tty_struct *tty);
187 static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *cp,
189 static void n_hdlc_tty_wakeup(struct tty_struct *tty);
193 #define tty2n_hdlc(tty) ((struct n_hdlc *) ((tty)->disc_data)) argument
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| D | amiserial.c | 48 tty->name, (info->tport.flags), serial_driver->refcount,info->count,tty->count,s)
122 static void change_speed(struct tty_struct *tty, struct serial_state *info,
124 static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
187 static void rs_stop(struct tty_struct *tty) in rs_stop() argument
189 struct serial_state *info = tty->driver_data; in rs_stop()
192 if (serial_paranoia_check(info, tty->name, "rs_stop")) in rs_stop()
207 static void rs_start(struct tty_struct *tty) in rs_start() argument
209 struct serial_state *info = tty->driver_data; in rs_start()
212 if (serial_paranoia_check(info, tty->name, "rs_start")) in rs_start()
316 do_SAK(info->tport.tty); in receive_chars()
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| D | vcc.c | 32 struct tty_struct *tty; /* only populated while dev is open */ member
284 static int vcc_rx_check(struct tty_struct *tty, int size) in vcc_rx_check() argument
286 if (WARN_ON(!tty || !tty->port)) in vcc_rx_check()
292 if (test_bit(TTY_THROTTLED, &tty->flags) || in vcc_rx_check()
293 (tty_buffer_request_room(tty->port, VCC_BUFF_LEN) < VCC_BUFF_LEN)) in vcc_rx_check()
299 static int vcc_rx(struct tty_struct *tty, char *buf, int size) in vcc_rx() argument
303 if (WARN_ON(!tty || !tty->port)) in vcc_rx()
306 len = tty_insert_flip_string(tty->port, buf, size); in vcc_rx()
308 tty_flip_buffer_push(tty->port); in vcc_rx()
316 struct tty_struct *tty; in vcc_ldc_read() local
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| D | isicom.c | 174 static void isicom_start(struct tty_struct *tty);
400 struct tty_struct *tty; in isicom_tx() local
427 tty = tty_port_tty_get(&port->port); in isicom_tx()
428 if (tty == NULL) in isicom_tx()
438 if (txcount <= 0 || tty->stopped || tty->hw_stopped) in isicom_tx()
491 tty_wakeup(tty); in isicom_tx()
495 tty_kref_put(tty); in isicom_tx()
511 struct tty_struct *tty; in isicom_interrupt() local
554 tty = tty_port_tty_get(&port->port); in isicom_interrupt()
555 if (tty == NULL) { in isicom_interrupt()
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| /Linux-v4.19/drivers/tty/ipwireless/ |
| D | tty.c | 91 struct ipw_tty *tty = get_tty(linux_tty->index); in ipw_open() local
93 if (!tty) in ipw_open()
96 mutex_lock(&tty->ipw_tty_mutex); in ipw_open()
97 if (tty->port.count == 0) in ipw_open()
98 tty->tx_bytes_queued = 0; in ipw_open()
100 tty->port.count++; in ipw_open()
102 tty->port.tty = linux_tty; in ipw_open()
103 linux_tty->driver_data = tty; in ipw_open()
104 tty->port.low_latency = 1; in ipw_open()
106 if (tty->tty_type == TTYTYPE_MODEM) in ipw_open()
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| /Linux-v4.19/drivers/tty/serdev/ |
| D | serdev-ttyport.c | 15 struct tty_struct *tty; member
52 struct tty_struct *tty; in ttyport_write_wakeup() local
54 tty = tty_port_tty_get(port); in ttyport_write_wakeup()
55 if (!tty) in ttyport_write_wakeup()
58 if (test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags) && in ttyport_write_wakeup()
63 wake_up_interruptible(&tty->write_wait); in ttyport_write_wakeup()
65 tty_kref_put(tty); in ttyport_write_wakeup()
80 struct tty_struct *tty = serport->tty; in ttyport_write_buf() local
85 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in ttyport_write_buf()
86 return tty->ops->write(serport->tty, data, len); in ttyport_write_buf()
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| /Linux-v4.19/net/nfc/nci/ |
| D | uart.c | 86 struct tty_struct *tty = nu->tty; in nci_uart_write_work() local
98 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in nci_uart_write_work()
99 len = tty->ops->write(tty, skb->data, skb->len); in nci_uart_write_work()
117 static int nci_uart_set_driver(struct tty_struct *tty, unsigned int driver) in nci_uart_set_driver() argument
133 nu->tty = tty; in nci_uart_set_driver()
134 tty->disc_data = nu; in nci_uart_set_driver()
141 tty->disc_data = NULL; in nci_uart_set_driver()
145 tty->disc_data = NULL; in nci_uart_set_driver()
163 static int nci_uart_tty_open(struct tty_struct *tty) in nci_uart_tty_open() argument
168 if (!tty->ops->write) in nci_uart_tty_open()
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| /Linux-v4.19/arch/ia64/hp/sim/ |
| D | simserial.c | 110 static int rs_put_char(struct tty_struct *tty, unsigned char ch) in rs_put_char() argument
112 struct serial_state *info = tty->driver_data; in rs_put_char()
129 static void transmit_chars(struct tty_struct *tty, struct serial_state *info, in transmit_chars() argument
147 if (info->xmit.head == info->xmit.tail || tty->stopped) { in transmit_chars()
150 info->xmit.head, info->xmit.tail, tty->stopped); in transmit_chars()
180 static void rs_flush_chars(struct tty_struct *tty) in rs_flush_chars() argument
182 struct serial_state *info = tty->driver_data; in rs_flush_chars()
184 if (info->xmit.head == info->xmit.tail || tty->stopped || in rs_flush_chars()
188 transmit_chars(tty, info, NULL); in rs_flush_chars()
191 static int rs_write(struct tty_struct * tty, in rs_write() argument
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| /Linux-v4.19/drivers/usb/serial/ |
| D | upd78f0730.c | 188 static int upd78f0730_tiocmget(struct tty_struct *tty) in upd78f0730_tiocmget() argument
190 struct device *dev = tty->dev; in upd78f0730_tiocmget()
192 struct usb_serial_port *port = tty->driver_data; in upd78f0730_tiocmget()
210 static int upd78f0730_tiocmset(struct tty_struct *tty, in upd78f0730_tiocmset() argument
213 struct device *dev = tty->dev; in upd78f0730_tiocmset()
214 struct usb_serial_port *port = tty->driver_data; in upd78f0730_tiocmset()
247 static void upd78f0730_break_ctl(struct tty_struct *tty, int break_state) in upd78f0730_break_ctl() argument
249 struct device *dev = tty->dev; in upd78f0730_break_ctl()
251 struct usb_serial_port *port = tty->driver_data; in upd78f0730_break_ctl()
273 struct tty_struct *tty = port->port.tty; in upd78f0730_dtr_rts() local
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| /Linux-v4.19/drivers/bluetooth/ |
| D | hci_ldisc.c | 164 struct tty_struct *tty = hu->tty; in hci_uart_write_work() local
178 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in hci_uart_write_work()
179 len = tty->ops->write(tty, skb->data, skb->len); in hci_uart_write_work()
236 struct tty_struct *tty = hu->tty; in hci_uart_flush() local
238 BT_DBG("hdev %p tty %p", hdev, tty); in hci_uart_flush()
245 tty_ldisc_flush(tty); in hci_uart_flush()
246 tty_driver_flush_buffer(tty); in hci_uart_flush()
305 struct tty_struct *tty = hu->tty; in hci_uart_set_flow_control() local
319 ktermios = tty->termios; in hci_uart_set_flow_control()
321 status = tty_set_termios(tty, &ktermios); in hci_uart_set_flow_control()
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| /Linux-v4.19/drivers/input/serio/ |
| D | serport.c | 36 struct tty_struct *tty; member
51 return -(serport->tty->ops->write(serport->tty, &data, 1) != 1); in serport_serio_write()
82 static int serport_ldisc_open(struct tty_struct *tty) in serport_ldisc_open() argument
93 serport->tty = tty; in serport_ldisc_open()
97 tty->disc_data = serport; in serport_ldisc_open()
98 tty->receive_room = 256; in serport_ldisc_open()
99 set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); in serport_ldisc_open()
108 static void serport_ldisc_close(struct tty_struct *tty) in serport_ldisc_close() argument
110 struct serport *serport = (struct serport *) tty->disc_data; in serport_ldisc_close()
121 static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int co… in serport_ldisc_receive() argument
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| /Linux-v4.19/drivers/isdn/gigaset/ |
| D | interface.c | 116 static int if_open(struct tty_struct *tty, struct file *filp) in if_open() argument
121 tty->driver->minor_start, tty->index, __func__); in if_open()
123 cs = gigaset_get_cs_by_tty(tty); in if_open()
131 tty->driver_data = cs; in if_open()
136 tty_port_tty_set(&cs->port, tty); in if_open()
144 static void if_close(struct tty_struct *tty, struct file *filp) in if_close() argument
146 struct cardstate *cs = tty->driver_data; in if_close()
169 static int if_ioctl(struct tty_struct *tty, in if_ioctl() argument
172 struct cardstate *cs = tty->driver_data; in if_ioctl()
236 static int if_tiocmget(struct tty_struct *tty) in if_tiocmget() argument
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| /Linux-v4.19/sound/soc/codecs/ |
| D | cx20442.c | 29 struct tty_struct *tty; member
168 if (!cx20442->tty || !cx20442->tty->ops->write) in cx20442_write()
197 if (cx20442->tty->ops->write(cx20442->tty, buf, len) != len) in cx20442_write()
216 static int v253_open(struct tty_struct *tty) in v253_open() argument
221 if (!tty->ops->write) in v253_open()
225 if (!tty->disc_data) in v253_open()
228 tty->receive_room = 16; in v253_open()
229 if (tty->ops->write(tty, v253_init, len) != len) { in v253_open()
236 tty->disc_data = NULL; in v253_open()
241 static void v253_close(struct tty_struct *tty) in v253_close() argument
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| /Linux-v4.19/drivers/staging/speakup/ |
| D | spk_ttyio.c | 46 static int spk_ttyio_ldisc_open(struct tty_struct *tty) in spk_ttyio_ldisc_open() argument
50 if (tty->ops->write == NULL) in spk_ttyio_ldisc_open()
52 speakup_tty = tty; in spk_ttyio_ldisc_open()
65 static void spk_ttyio_ldisc_close(struct tty_struct *tty) in spk_ttyio_ldisc_close() argument
73 static int spk_ttyio_receive_buf2(struct tty_struct *tty, in spk_ttyio_receive_buf2() argument
76 struct spk_ldisc_data *ldisc_data = tty->disc_data; in spk_ttyio_receive_buf2()
131 static inline void get_termios(struct tty_struct *tty, struct ktermios *out_termios) in get_termios() argument
133 down_read(&tty->termios_rwsem); in get_termios()
134 *out_termios = tty->termios; in get_termios()
135 up_read(&tty->termios_rwsem); in get_termios()
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| /Linux-v4.19/drivers/mmc/core/ |
| D | sdio_uart.c | 432 struct tty_struct *tty; in sdio_uart_transmit_chars() local
443 tty = tty_port_tty_get(&port->port); in sdio_uart_transmit_chars()
445 if (tty == NULL || !kfifo_len(xmit) || in sdio_uart_transmit_chars()
446 tty->stopped || tty->hw_stopped) { in sdio_uart_transmit_chars()
448 tty_kref_put(tty); in sdio_uart_transmit_chars()
460 tty_wakeup(tty); in sdio_uart_transmit_chars()
464 tty_kref_put(tty); in sdio_uart_transmit_chars()
470 struct tty_struct *tty; in sdio_uart_check_modem_status() local
493 tty = tty_port_tty_get(&port->port); in sdio_uart_check_modem_status()
494 if (tty && C_CRTSCTS(tty)) { in sdio_uart_check_modem_status()
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