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 35 void spk_ttyio_release(struct spk_synth *synth); 36 void spk_ttyio_register_ldisc(void); 37 void spk_ttyio_unregister_ldisc(void); 38 39 void synth_buffer_skip_nonlatin1(void); 40 u16 synth_buffer_getc(void); 41 u16 synth_buffer_peek(void); 42 int synth_buffer_empty(void); 43 struct var_t *spk_get_var(enum var_id_t var_id); 44 ssize_t spk_var_show(struct kobject *kobj, struct kobj_attribute *attr, 45 char *buf); 46 ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr, 47 const char *buf, size_t count); 48 49 int spk_ttyio_synth_probe(struct spk_synth *synth); 50 const char *spk_ttyio_synth_immediate(struct spk_synth *synth, 51 const char *buff); 52 void spk_do_catch_up(struct spk_synth *synth); 53 void spk_do_catch_up_unicode(struct spk_synth *synth); 54 void spk_synth_flush(struct spk_synth *synth); 55 unsigned char spk_synth_get_index(struct spk_synth *synth); 56 int spk_synth_is_alive_nop(struct spk_synth *synth); 57 int spk_synth_is_alive_restart(struct spk_synth *synth); 58 __printf(1, 2) 59 void synth_printf(const char *buf, ...); 60 void synth_putwc(u16 wc); 61 void synth_putwc_s(u16 wc); 62 void synth_putws(const u16 *buf); 63 void synth_putws_s(const u16 *buf); 64 int synth_request_region(unsigned long start, unsigned long n); 65 int synth_release_region(unsigned long start, unsigned long n); 66 int synth_add(struct spk_synth *in_synth); 67 void synth_remove(struct spk_synth *in_synth); 68 struct spk_synth *synth_current(void); 69 70 extern struct speakup_info_t speakup_info; 71 72 extern struct var_t synth_time_vars[]; 73 74 extern struct spk_io_ops spk_serial_io_ops; 75 extern struct spk_io_ops spk_ttyio_ops; 76 77 #endif 78