LXR linux/drivers/accessibility/speakup/spk

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/* spk_priv.h
   3 * review functions for the speakup screen review package.
   4 * originally written by: Kirk Reiser and Andy Berdan.
   5 *
   6 * extensively modified by David Borowski.
   7 *
   8 * Copyright (C) 1998  Kirk Reiser.
   9 * Copyright (C) 2003  David Borowski.
  10 */
  11#ifndef _SPEAKUP_PRIVATE_H
  12#define _SPEAKUP_PRIVATE_H
  13
  14#include <linux/printk.h>
  15
  16#include "spk_types.h"
  17#include "spk_priv_keyinfo.h"
  18
  19#define V_LAST_VAR { MAXVARS }
  20#define SPACE 0x20
  21#define SYNTH_CHECK 20030716 /* today's date ought to do for check value */
  22/* synth flags, for odd synths */
  23#define SF_DEC 1 /* to fiddle puncs in alpha strings so it doesn't spell */
  24#ifdef MODULE
  25#define SYNTH_START 1
  26#else
  27#define SYNTH_START 0
  28#endif
  29
  30#define KT_SPKUP 15
  31#define SPK_SYNTH_TIMEOUT 100000 /* in micro-seconds */
  32#define SYNTH_DEFAULT_DEV "ttyS0"
  33#define SYNTH_DEFAULT_SER 0
  34
  35const struct old_serial_port *spk_serial_init(int index);
  36void spk_stop_serial_interrupt(void);
  37void spk_serial_release(struct spk_synth *synth);
  38void spk_ttyio_release(struct spk_synth *synth);
  39void spk_ttyio_register_ldisc(void);
  40void spk_ttyio_unregister_ldisc(void);
  41
  42void synth_buffer_skip_nonlatin1(void);
  43u16 synth_buffer_getc(void);
  44u16 synth_buffer_peek(void);
  45int synth_buffer_empty(void);
  46struct var_t *spk_get_var(enum var_id_t var_id);
  47ssize_t spk_var_show(struct kobject *kobj, struct kobj_attribute *attr,
  48                     char *buf);
  49ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr,
  50                      const char *buf, size_t count);
  51
  52int spk_serial_synth_probe(struct spk_synth *synth);
  53int spk_ttyio_synth_probe(struct spk_synth *synth);
  54const char *spk_serial_synth_immediate(struct spk_synth *synth,
  55                                       const char *buff);
  56const char *spk_ttyio_synth_immediate(struct spk_synth *synth,
  57                                      const char *buff);
  58void spk_do_catch_up(struct spk_synth *synth);
  59void spk_do_catch_up_unicode(struct spk_synth *synth);
  60void spk_synth_flush(struct spk_synth *synth);
  61unsigned char spk_synth_get_index(struct spk_synth *synth);
  62int spk_synth_is_alive_nop(struct spk_synth *synth);
  63int spk_synth_is_alive_restart(struct spk_synth *synth);
  64__printf(1, 2)
  65void synth_printf(const char *buf, ...);
  66void synth_putwc(u16 wc);
  67void synth_putwc_s(u16 wc);
  68void synth_putws(const u16 *buf);
  69void synth_putws_s(const u16 *buf);
  70int synth_request_region(unsigned long start, unsigned long n);
  71int synth_release_region(unsigned long start, unsigned long n);
  72int synth_add(struct spk_synth *in_synth);
  73void synth_remove(struct spk_synth *in_synth);
  74struct spk_synth *synth_current(void);
  75
  76extern struct speakup_info_t speakup_info;
  77
  78extern struct var_t synth_time_vars[];
  79
  80extern struct spk_io_ops spk_serial_io_ops;
  81extern struct spk_io_ops spk_ttyio_ops;
  82
  83#endif
  84