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 94