Lines Matching +full:rts +full:- +full:gpios
10 The reference implementation is contained within amba-pl011.c.
15 --------------------------------
25 ---------------
38 -------
41 necessary locking using port->lock. There are some exceptions (which
44 There are two locks. A per-port spinlock, and an overall semaphore.
46 From the core driver perspective, the port->lock locks the following
49 port->mctrl
50 port->icount
51 port->state->xmit.head (circ_buf->head)
52 port->state->xmit.tail (circ_buf->tail)
64 --------
88 - TIOCM_RTS RTS signal.
89 - TIOCM_DTR DTR signal.
90 - TIOCM_OUT1 OUT1 signal.
91 - TIOCM_OUT2 OUT2 signal.
92 - TIOCM_LOOP Set the port into loopback mode.
98 Locking: port->lock taken.
109 - TIOCM_CAR state of DCD signal
110 - TIOCM_CTS state of CTS signal
111 - TIOCM_DSR state of DSR signal
112 - TIOCM_RI state of RI signal
119 Locking: port->lock taken.
133 Locking: port->lock taken.
142 Locking: port->lock taken.
184 Locking: port->lock taken.
197 Locking: port->lock taken.
209 Locking: caller holds tty_port->mutex
214 RTS nor DTR; this will be done via a separate call to set_mctrl.
225 RTS nor DTR; this will have already been done via a separate
228 Drivers must not access port->state once this call has completed.
241 This will be called whenever the port->state->xmit circular
244 Locking: port->lock taken.
254 termios->c_cflag bits are:
257 - word size
259 - 2 stop bits
261 - parity enable
263 - odd parity (when PARENB is in force)
265 - enable reception of characters (if not set,
269 - if set, enable CTS status change reporting
271 - if not set, enable modem status change
274 Relevant termios->c_iflag bits are:
277 - enable frame and parity error events to be
280 - both of these enable break events to be
284 - ignore parity and framing errors
286 - ignore break errors, If IGNPAR is also
307 Locking: caller holds tty_port->mutex
314 Notifier for discipline change. See Documentation/driver-api/serial/tty.rst.
316 Locking: caller holds tty_port->mutex
353 returns, and it should return -EBUSY on failure.
363 port->type should be set to the type found, or PORT_UNKNOWN if
393 to support poll_put_char() and poll_get_char(). Unlike ->startup()
396 Locking: tty_mutex and tty_port->mutex taken.
422 ---------------
425 Update the FIFO drain timeout, port->timeout, according to the
428 Locking: caller is expected to take port->lock
437 If the baud rate is not within min..max, then if old is non-NULL,
471 Locking: port->lock should be held.
477 with the tty layer, and initialise the core driver per-port state.
479 drv->port should be NULL, and the per-port structures should be
504 -----------
518 ----------------------------
523 This will get the {cts,rts,...}-gpios from device tree if they are
530 mctrl_gpio_free(dev, gpios):
531 This will free the requested gpios in mctrl_gpio_init().
535 mctrl_gpio_to_gpiod(gpios, gidx)
539 mctrl_gpio_set(gpios, mctrl):
540 This will sets the gpios according to the mctrl state.
542 mctrl_gpio_get(gpios, mctrl):
543 This will update mctrl with the gpios values.
545 mctrl_gpio_enable_ms(gpios):
548 mctrl_gpio_disable_ms(gpios):