Files
cubelinux-kernel/drivers/accessibility/speakup/serialio.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

41 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SPEAKUP_SERIAL_H
#define _SPEAKUP_SERIAL_H
#include <linux/serial.h> /* for rs_table, serial constants */
#include <linux/serial_reg.h> /* for more serial constants */
#include <linux/serial_core.h>
#include "spk_priv.h"
/*
* this is cut&paste from 8250.h. Get rid of the structure, the definitions
* and this whole broken driver.
*/
struct old_serial_port {
unsigned int uart; /* unused */
unsigned int baud_base;
unsigned int port;
unsigned int irq;
upf_t flags; /* unused */
};
/* countdown values for serial timeouts in us */
#define SPK_SERIAL_TIMEOUT SPK_SYNTH_TIMEOUT
/* countdown values transmitter/dsr timeouts in us */
#define SPK_XMITR_TIMEOUT 100000
/* countdown values cts timeouts in us */
#define SPK_CTS_TIMEOUT 100000
/* check ttyS0 ... ttyS3 */
#define SPK_LO_TTY 0
#define SPK_HI_TTY 3
/* # of timeouts permitted before disable */
#define NUM_DISABLE_TIMEOUTS 3
/* buffer timeout in ms */
#define SPK_TIMEOUT 100
#define spk_serial_tx_busy() \
(!uart_lsr_tx_empty(inb(speakup_info.port_tts + UART_LSR)))
#endif