diff options
Diffstat (limited to 'drivers/accessibility/speakup/spk_types.h')
| -rw-r--r-- | drivers/accessibility/speakup/spk_types.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/drivers/accessibility/speakup/spk_types.h b/drivers/accessibility/speakup/spk_types.h new file mode 100644 index 000000000000..d3272c6d199a --- /dev/null +++ b/drivers/accessibility/speakup/spk_types.h @@ -0,0 +1,221 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef SPEAKUP_TYPES_H +#define SPEAKUP_TYPES_H + +/* This file includes all of the typedefs and structs used in speakup. */ + +#include <linux/types.h> +#include <linux/fs.h> +#include <linux/errno.h> +#include <linux/delay.h> +#include <linux/wait.h> /* for wait_queue */ +#include <linux/init.h> /* for __init */ +#include <linux/module.h> +#include <linux/vt_kern.h> +#include <linux/spinlock.h> +#include <linux/mutex.h> +#include <linux/io.h> /* for inb_p, outb_p, inb, outb, etc... */ +#include <linux/device.h> + +enum var_type_t { + VAR_NUM = 0, + VAR_TIME, + VAR_STRING, + VAR_PROC +}; + +enum { + E_DEFAULT = 0, + E_SET, + E_INC, + E_DEC, + E_NEW_DEFAULT, +}; + +enum var_id_t { + VERSION = 0, SYNTH, SILENT, SYNTH_DIRECT, + KEYMAP, CHARS, + PUNC_SOME, PUNC_MOST, PUNC_ALL, + DELIM, REPEATS, EXNUMBER, + DELAY, TRIGGER, JIFFY, FULL, /* all timers must be together */ + BLEEP_TIME, CURSOR_TIME, BELL_POS, + SAY_CONTROL, SAY_WORD_CTL, NO_INTERRUPT, KEY_ECHO, + SPELL_DELAY, PUNC_LEVEL, READING_PUNC, + ATTRIB_BLEEP, BLEEPS, + RATE, PITCH, INFLECTION, VOL, TONE, PUNCT, VOICE, FREQUENCY, LANG, + DIRECT, PAUSE, + CAPS_START, CAPS_STOP, CHARTAB, + MAXVARS +}; + +typedef int (*special_func)(struct vc_data *vc, u_char type, u_char ch, + u_short key); + +#define COLOR_BUFFER_SIZE 160 + +struct spk_highlight_color_track { + /* Count of each background color */ + unsigned int bgcount[8]; + /* Buffer for characters drawn with each background color */ + u16 highbuf[8][COLOR_BUFFER_SIZE]; + /* Current index into highbuf */ + unsigned int highsize[8]; + /* Reading Position for each color */ + u_long rpos[8], rx[8], ry[8]; + /* Real Cursor Y Position */ + ulong cy; +}; + +struct st_spk_t { + u_long reading_x, cursor_x; + u_long reading_y, cursor_y; + u_long reading_pos, cursor_pos; + u_long go_x, go_pos; + u_long w_top, w_bottom, w_left, w_right; + u_char w_start, w_enabled; + u_char reading_attr, old_attr; + char parked, shut_up; + struct spk_highlight_color_track ht; + int tty_stopped; +}; + +/* now some defines to make these easier to use. */ +#define spk_shut_up (speakup_console[vc->vc_num]->shut_up) +#define spk_killed (speakup_console[vc->vc_num]->shut_up & 0x40) +#define spk_x (speakup_console[vc->vc_num]->reading_x) +#define spk_cx (speakup_console[vc->vc_num]->cursor_x) +#define spk_y (speakup_console[vc->vc_num]->reading_y) +#define spk_cy (speakup_console[vc->vc_num]->cursor_y) +#define spk_pos (speakup_console[vc->vc_num]->reading_pos) +#define spk_cp (speakup_console[vc->vc_num]->cursor_pos) +#define goto_pos (speakup_console[vc->vc_num]->go_pos) +#define goto_x (speakup_console[vc->vc_num]->go_x) +#define win_top (speakup_console[vc->vc_num]->w_top) +#define win_bottom (speakup_console[vc->vc_num]->w_bottom) +#define win_left (speakup_console[vc->vc_num]->w_left) +#define win_right (speakup_console[vc->vc_num]->w_right) +#define win_start (speakup_console[vc->vc_num]->w_start) +#define win_enabled (speakup_console[vc->vc_num]->w_enabled) +#define spk_attr (speakup_console[vc->vc_num]->reading_attr) +#define spk_old_attr (speakup_console[vc->vc_num]->old_attr) +#define spk_parked (speakup_console[vc->vc_num]->parked) + +struct st_var_header { + char *name; + enum var_id_t var_id; + enum var_type_t var_type; + void *p_val; /* ptr to programs variable to store value */ + void *data; /* ptr to the vars data */ +}; + +struct num_var_t { + char *synth_fmt; + int default_val; + int low; + int high; + short offset, multiplier; /* for fiddling rates etc. */ + char *out_str; /* if synth needs char representation of number */ + int value; /* current value */ +}; + +struct punc_var_t { + enum var_id_t var_id; + short value; +}; + +struct string_var_t { + char *default_val; +}; + +struct var_t { + enum var_id_t var_id; + union { + struct num_var_t n; + struct string_var_t s; + } u; +}; + +struct st_bits_data { /* punc, repeats, word delim bits */ + char *name; + char *value; + short mask; +}; + +struct synth_indexing { + char *command; + unsigned char lowindex; + unsigned char highindex; + unsigned char currindex; +}; + +struct spk_synth; + +struct spk_io_ops { + int (*synth_out)(struct spk_synth *synth, const char ch); + int (*synth_out_unicode)(struct spk_synth *synth, u16 ch); + void (*send_xchar)(char ch); + void (*tiocmset)(unsigned int set, unsigned int clear); + unsigned char (*synth_in)(void); + unsigned char (*synth_in_nowait)(void); + void (*flush_buffer)(void); +}; + +struct spk_synth { + struct list_head node; + + const char *name; + const char *version; + const char *long_name; + const char *init; + char procspeech; + char clear; + int delay; + int trigger; + int jiffies; + int full; + int ser; + char *dev_name; + short flags; + short startup; + const int checkval; /* for validating a proper synth module */ + struct var_t *vars; + int *default_pitch; + int *default_vol; + struct spk_io_ops *io_ops; + int (*probe)(struct spk_synth *synth); + void (*release)(void); + const char *(*synth_immediate)(struct spk_synth *synth, + const char *buff); + void (*catch_up)(struct spk_synth *synth); + void (*flush)(struct spk_synth *synth); + int (*is_alive)(struct spk_synth *synth); + int (*synth_adjust)(struct st_var_header *var); + void (*read_buff_add)(u_char c); + unsigned char (*get_index)(struct spk_synth *synth); + struct synth_indexing indexing; + int alive; + struct attribute_group attributes; +}; + +/* + * module_spk_synth() - Helper macro for registering a speakup driver + * @__spk_synth: spk_synth struct + * Helper macro for speakup drivers which do not do anything special in module + * init/exit. This eliminates a lot of boilerplate. Each module may only + * use this macro once, and calling it replaces module_init() and module_exit() + */ +#define module_spk_synth(__spk_synth) \ + module_driver(__spk_synth, synth_add, synth_remove) + +struct speakup_info_t { + spinlock_t spinlock; + int port_tts; + int flushing; +}; + +struct bleep { + short freq; + unsigned long jiffies; + int active; +}; +#endif |