spk_types.h (6192B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef SPEAKUP_TYPES_H 3#define SPEAKUP_TYPES_H 4 5/* This file includes all of the typedefs and structs used in speakup. */ 6 7#include <linux/types.h> 8#include <linux/fs.h> 9#include <linux/errno.h> 10#include <linux/delay.h> 11#include <linux/wait.h> /* for wait_queue */ 12#include <linux/init.h> /* for __init */ 13#include <linux/module.h> 14#include <linux/vt_kern.h> 15#include <linux/spinlock.h> 16#include <linux/mutex.h> 17#include <linux/io.h> /* for inb_p, outb_p, inb, outb, etc... */ 18#include <linux/device.h> 19 20enum var_type_t { 21 VAR_NUM = 0, 22 VAR_TIME, 23 VAR_STRING, 24 VAR_PROC 25}; 26 27enum { 28 E_DEFAULT = 0, 29 E_SET, 30 E_INC, 31 E_DEC, 32 E_NEW_DEFAULT, 33}; 34 35/* 36 * Note: add new members at the end, speakupmap.h depends on the values of the 37 * enum starting from SPELL_DELAY (see inc_dec_var) 38 */ 39enum var_id_t { 40 VERSION = 0, SYNTH, SILENT, SYNTH_DIRECT, 41 KEYMAP, CHARS, 42 PUNC_SOME, PUNC_MOST, PUNC_ALL, 43 DELIM, REPEATS, EXNUMBER, 44 DELAY, TRIGGER, JIFFY, FULL, /* all timers must be together */ 45 BLEEP_TIME, CURSOR_TIME, BELL_POS, 46 SAY_CONTROL, SAY_WORD_CTL, NO_INTERRUPT, KEY_ECHO, 47 SPELL_DELAY, PUNC_LEVEL, READING_PUNC, 48 ATTRIB_BLEEP, BLEEPS, 49 RATE, PITCH, VOL, TONE, PUNCT, VOICE, FREQUENCY, LANG, 50 DIRECT, PAUSE, 51 CAPS_START, CAPS_STOP, CHARTAB, INFLECTION, FLUSH, 52 MAXVARS 53}; 54 55typedef int (*special_func)(struct vc_data *vc, u_char type, u_char ch, 56 u_short key); 57 58#define COLOR_BUFFER_SIZE 160 59 60struct spk_highlight_color_track { 61 /* Count of each background color */ 62 unsigned int bgcount[8]; 63 /* Buffer for characters drawn with each background color */ 64 u16 highbuf[8][COLOR_BUFFER_SIZE]; 65 /* Current index into highbuf */ 66 unsigned int highsize[8]; 67 /* Reading Position for each color */ 68 u_long rpos[8], rx[8], ry[8]; 69 /* Real Cursor Y Position */ 70 ulong cy; 71}; 72 73struct st_spk_t { 74 u_long reading_x, cursor_x; 75 u_long reading_y, cursor_y; 76 u_long reading_pos, cursor_pos; 77 u_long go_x, go_pos; 78 u_long w_top, w_bottom, w_left, w_right; 79 u_char w_start, w_enabled; 80 u_char reading_attr, old_attr; 81 char parked, shut_up; 82 struct spk_highlight_color_track ht; 83 int tty_stopped; 84}; 85 86/* now some defines to make these easier to use. */ 87#define spk_shut_up (speakup_console[vc->vc_num]->shut_up) 88#define spk_killed (speakup_console[vc->vc_num]->shut_up & 0x40) 89#define spk_x (speakup_console[vc->vc_num]->reading_x) 90#define spk_cx (speakup_console[vc->vc_num]->cursor_x) 91#define spk_y (speakup_console[vc->vc_num]->reading_y) 92#define spk_cy (speakup_console[vc->vc_num]->cursor_y) 93#define spk_pos (speakup_console[vc->vc_num]->reading_pos) 94#define spk_cp (speakup_console[vc->vc_num]->cursor_pos) 95#define goto_pos (speakup_console[vc->vc_num]->go_pos) 96#define goto_x (speakup_console[vc->vc_num]->go_x) 97#define win_top (speakup_console[vc->vc_num]->w_top) 98#define win_bottom (speakup_console[vc->vc_num]->w_bottom) 99#define win_left (speakup_console[vc->vc_num]->w_left) 100#define win_right (speakup_console[vc->vc_num]->w_right) 101#define win_start (speakup_console[vc->vc_num]->w_start) 102#define win_enabled (speakup_console[vc->vc_num]->w_enabled) 103#define spk_attr (speakup_console[vc->vc_num]->reading_attr) 104#define spk_old_attr (speakup_console[vc->vc_num]->old_attr) 105#define spk_parked (speakup_console[vc->vc_num]->parked) 106 107struct st_var_header { 108 char *name; 109 enum var_id_t var_id; 110 enum var_type_t var_type; 111 void *p_val; /* ptr to programs variable to store value */ 112 void *data; /* ptr to the vars data */ 113}; 114 115struct num_var_t { 116 char *synth_fmt; 117 int default_val; 118 int low; 119 int high; 120 short offset, multiplier; /* for fiddling rates etc. */ 121 char *out_str; /* if synth needs char representation of number */ 122 int value; /* current value */ 123}; 124 125struct punc_var_t { 126 enum var_id_t var_id; 127 short value; 128}; 129 130struct string_var_t { 131 char *default_val; 132}; 133 134struct var_t { 135 enum var_id_t var_id; 136 union { 137 struct num_var_t n; 138 struct string_var_t s; 139 } u; 140}; 141 142struct st_bits_data { /* punc, repeats, word delim bits */ 143 char *name; 144 char *value; 145 short mask; 146}; 147 148struct synth_indexing { 149 char *command; 150 unsigned char lowindex; 151 unsigned char highindex; 152 unsigned char currindex; 153}; 154 155struct spk_synth; 156 157struct spk_io_ops { 158 int (*synth_out)(struct spk_synth *synth, const char ch); 159 int (*synth_out_unicode)(struct spk_synth *synth, u16 ch); 160 void (*send_xchar)(struct spk_synth *synth, char ch); 161 void (*tiocmset)(struct spk_synth *synth, unsigned int set, unsigned int clear); 162 unsigned char (*synth_in)(struct spk_synth *synth); 163 unsigned char (*synth_in_nowait)(struct spk_synth *synth); 164 void (*flush_buffer)(struct spk_synth *synth); 165 int (*wait_for_xmitr)(struct spk_synth *synth); 166}; 167 168struct spk_synth { 169 struct list_head node; 170 171 const char *name; 172 const char *version; 173 const char *long_name; 174 const char *init; 175 char procspeech; 176 char clear; 177 int delay; 178 int trigger; 179 int jiffies; 180 int full; 181 int flush_time; 182 int ser; 183 char *dev_name; 184 short flags; 185 short startup; 186 const int checkval; /* for validating a proper synth module */ 187 struct var_t *vars; 188 int *default_pitch; 189 int *default_vol; 190 struct spk_io_ops *io_ops; 191 int (*probe)(struct spk_synth *synth); 192 void (*release)(struct spk_synth *synth); 193 const char *(*synth_immediate)(struct spk_synth *synth, 194 const char *buff); 195 void (*catch_up)(struct spk_synth *synth); 196 void (*flush)(struct spk_synth *synth); 197 int (*is_alive)(struct spk_synth *synth); 198 int (*synth_adjust)(struct st_var_header *var); 199 void (*read_buff_add)(u_char c); 200 unsigned char (*get_index)(struct spk_synth *synth); 201 struct synth_indexing indexing; 202 int alive; 203 struct attribute_group attributes; 204 205 void *dev; 206}; 207 208/* 209 * module_spk_synth() - Helper macro for registering a speakup driver 210 * @__spk_synth: spk_synth struct 211 * Helper macro for speakup drivers which do not do anything special in module 212 * init/exit. This eliminates a lot of boilerplate. Each module may only 213 * use this macro once, and calling it replaces module_init() and module_exit() 214 */ 215#define module_spk_synth(__spk_synth) \ 216 module_driver(__spk_synth, synth_add, synth_remove) 217 218struct speakup_info_t { 219 spinlock_t spinlock; 220 int port_tts; 221 int flushing; 222}; 223 224struct bleep { 225 short freq; 226 unsigned long jiffies; 227 int active; 228}; 229#endif