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c6e3fd22 WH |
1 | /* spk_priv.h |
2 | review functions for the speakup screen review package. | |
3 | originally written by: Kirk Reiser and Andy Berdan. | |
4 | ||
5 | extensively modified by David Borowski. | |
6 | ||
7 | Copyright (C) 1998 Kirk Reiser. | |
8 | Copyright (C) 2003 David Borowski. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | */ | |
24 | #ifndef _SPEAKUP_PRIVATE_H | |
25 | #define _SPEAKUP_PRIVATE_H | |
26 | ||
27 | #include "spk_types.h" | |
28 | #include "spk_priv_keyinfo.h" | |
29 | ||
30 | #ifndef pr_warn | |
31 | #define pr_warn(fmt, arg...) printk(KERN_WARNING fmt, ##arg) | |
32 | #endif | |
33 | ||
34 | #define V_LAST_VAR { MAXVARS } | |
35 | #define SPACE 0x20 | |
36 | #define SYNTH_CHECK 20030716 /* today's date ought to do for check value */ | |
37 | /* synth flags, for odd synths */ | |
38 | #define SF_DEC 1 /* to fiddle puncs in alpha strings so it doesn't spell */ | |
39 | #ifdef MODULE | |
40 | #define SYNTH_START 1 | |
41 | #else | |
42 | #define SYNTH_START 0 | |
43 | #endif | |
44 | ||
45 | #define KT_SPKUP 15 | |
46 | ||
47 | extern struct serial_state *spk_serial_init(int index); | |
48 | extern void stop_serial_interrupt(void); | |
49 | extern int wait_for_xmitr(void); | |
50 | extern unsigned char spk_serial_in(void); | |
51 | extern unsigned char spk_serial_in_nowait(void); | |
52 | extern int spk_serial_out(const char ch); | |
53 | extern void spk_serial_release(void); | |
54 | ||
55 | extern char synth_buffer_getc(void); | |
56 | extern char synth_buffer_peek(void); | |
57 | extern int synth_buffer_empty(void); | |
58 | extern struct var_t *get_var(enum var_id_t var_id); | |
59 | extern ssize_t spk_var_show(struct kobject *kobj, struct kobj_attribute *attr, | |
60 | char *buf); | |
61 | extern ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr, | |
62 | const char *buf, size_t count); | |
63 | ||
64 | extern int serial_synth_probe(struct spk_synth *synth); | |
65 | extern const char *spk_synth_immediate(struct spk_synth *synth, const char *buff); | |
66 | extern void spk_do_catch_up(struct spk_synth *synth); | |
67 | extern void spk_synth_flush(struct spk_synth *synth); | |
68 | extern int spk_synth_is_alive_nop(struct spk_synth *synth); | |
69 | extern int spk_synth_is_alive_restart(struct spk_synth *synth); | |
70 | extern void synth_printf(const char *buf, ...); | |
71 | extern int synth_request_region(u_long, u_long); | |
72 | extern int synth_release_region(u_long, u_long); | |
73 | extern int synth_add(struct spk_synth *in_synth); | |
74 | extern void synth_remove(struct spk_synth *in_synth); | |
75 | ||
76 | extern struct speakup_info_t speakup_info; | |
77 | ||
78 | extern struct var_t synth_time_vars[]; | |
79 | ||
80 | /* Protect the whole speakup machinery, must be taken at each kernel->speakup | |
81 | * transition and released at all corresponding speakup->kernel transitions | |
82 | * (flags must be the same variable between lock/trylock and unlock). | |
83 | * | |
84 | * The progression thread only interferes with the speakup machinery through | |
85 | * the synth buffer, and so only needs to take the lock while tinkering with | |
86 | * it. | |
87 | */ | |
88 | /* Speakup needs to disable the keyboard IRQ, hence _irqsave/restore */ | |
89 | #define spk_lock(flags) spin_lock_irqsave(&speakup_info.spinlock, flags) | |
90 | #define spk_trylock(flags) spin_trylock_irqsave(&speakup_info.spinlock, flags) | |
91 | #define spk_unlock(flags) spin_unlock_irqrestore(&speakup_info.spinlock, flags) | |
92 | ||
93 | #endif |