Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * this version considerably modified by David Borowski, david575@rogers.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (C) 1998-99  Kirk Reiser.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Copyright (C) 2003 David Borowski.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * specificly written as a driver for the speakup screenreview
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * s not a general device driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/kthread.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include "spk_priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include "speakup.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define DRV_VERSION "2.14"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define SYNTH_CLEAR 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #define PROCSPEECH 0x0b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) static volatile unsigned char last_char;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) static void read_buff_add(u_char ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	last_char = ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) static inline bool synth_full(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	return last_char == 0x13;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) static void do_catch_up(struct spk_synth *synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) static void synth_flush(struct spk_synth *synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) static int in_escape;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) static struct var_t vars[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	{ CAPS_START, .u.s = {"[:dv ap 222]" } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	{ CAPS_STOP, .u.s = {"[:dv ap 100]" } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	{ RATE, .u.n = {"[:ra %d]", 7, 0, 9, 150, 25, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	{ PITCH, .u.n = {"[:dv ap %d]", 100, 0, 100, 0, 0, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	{ INFLECTION, .u.n = {"[:dv pr %d] ", 100, 0, 10000, 0, 0, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	{ VOL, .u.n = {"[:dv gv %d]", 13, 0, 16, 0, 5, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	{ PUNCT, .u.n = {"[:pu %c]", 0, 0, 2, 0, 0, "nsa" } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	{ VOICE, .u.n = {"[:n%c]", 0, 0, 9, 0, 0, "phfdburwkv" } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	V_LAST_VAR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55)  * These attributes will appear in /sys/accessibility/speakup/decext.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) static struct kobj_attribute caps_start_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) static struct kobj_attribute caps_stop_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) static struct kobj_attribute pitch_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	__ATTR(pitch, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) static struct kobj_attribute inflection_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	__ATTR(inflection, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) static struct kobj_attribute punct_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	__ATTR(punct, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) static struct kobj_attribute rate_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	__ATTR(rate, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) static struct kobj_attribute voice_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	__ATTR(voice, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) static struct kobj_attribute vol_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	__ATTR(vol, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) static struct kobj_attribute delay_time_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) static struct kobj_attribute direct_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	__ATTR(direct, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) static struct kobj_attribute full_time_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	__ATTR(full_time, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) static struct kobj_attribute jiffy_delta_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) static struct kobj_attribute trigger_time_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86)  * Create a group of attributes so that we can create and destroy them all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87)  * at once.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) static struct attribute *synth_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	&caps_start_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	&caps_stop_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	&pitch_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	&inflection_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	&punct_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	&rate_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	&voice_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	&vol_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	&delay_time_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	&direct_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	&full_time_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	&jiffy_delta_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	&trigger_time_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	NULL,	/* need to NULL terminate the list of attributes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) static struct spk_synth synth_decext = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	.name = "decext",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	.version = DRV_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	.long_name = "Dectalk External",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	.init = "[:pe -380]",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	.procspeech = PROCSPEECH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	.clear = SYNTH_CLEAR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	.delay = 500,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	.trigger = 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	.jiffies = 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	.full = 40000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	.flags = SF_DEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	.dev_name = SYNTH_DEFAULT_DEV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	.startup = SYNTH_START,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	.checkval = SYNTH_CHECK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	.vars = vars,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	.io_ops = &spk_ttyio_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	.probe = spk_ttyio_synth_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	.release = spk_ttyio_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	.synth_immediate = spk_ttyio_synth_immediate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	.catch_up = do_catch_up,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	.flush = synth_flush,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	.is_alive = spk_synth_is_alive_restart,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	.synth_adjust = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	.read_buff_add = read_buff_add,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	.get_index = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	.indexing = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 		.command = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		.lowindex = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		.highindex = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 		.currindex = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	.attributes = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		.attrs = synth_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		.name = "decext",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static void do_catch_up(struct spk_synth *synth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	u_char ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	static u_char last = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	unsigned long jiff_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	struct var_t *jiffy_delta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	struct var_t *delay_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	int jiffy_delta_val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	int delay_time_val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	jiffy_delta = spk_get_var(JIFFY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	delay_time = spk_get_var(DELAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	jiffy_delta_val = jiffy_delta->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	jiff_max = jiffies + jiffy_delta_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	while (!kthread_should_stop()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		if (speakup_info.flushing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 			speakup_info.flushing = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 			synth->flush(synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		synth_buffer_skip_nonlatin1();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		if (synth_buffer_empty()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		ch = synth_buffer_peek();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		set_current_state(TASK_INTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		delay_time_val = delay_time->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		if (ch == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 			ch = 0x0D;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		if (synth_full() || !synth->io_ops->synth_out(synth, ch)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 			schedule_timeout(msecs_to_jiffies(delay_time_val));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		set_current_state(TASK_RUNNING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		synth_buffer_getc();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		if (ch == '[') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 			in_escape = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		} else if (ch == ']') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 			in_escape = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		} else if (ch <= SPACE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 			if (!in_escape && strchr(",.!?;:", last))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 				synth->io_ops->synth_out(synth, PROCSPEECH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 			if (time_after_eq(jiffies, jiff_max)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 				if (!in_escape)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 					synth->io_ops->synth_out(synth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 								 PROCSPEECH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 				spin_lock_irqsave(&speakup_info.spinlock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 						  flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 				jiffy_delta_val = jiffy_delta->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 				delay_time_val = delay_time->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 				spin_unlock_irqrestore(&speakup_info.spinlock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 						       flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 				schedule_timeout(msecs_to_jiffies
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 						 (delay_time_val));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 				jiff_max = jiffies + jiffy_delta_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		last = ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	if (!in_escape)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		synth->io_ops->synth_out(synth, PROCSPEECH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static void synth_flush(struct spk_synth *synth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	in_escape = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	synth->io_ops->flush_buffer();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	synth->synth_immediate(synth, "\033P;10z\033\\");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) module_param_named(ser, synth_decext.ser, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) module_param_named(dev, synth_decext.dev_name, charp, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) module_param_named(start, synth_decext.startup, short, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) MODULE_PARM_DESC(dev, "Set the device e.g. ttyUSB0, for the synthesizer.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) module_spk_synth(synth_decext);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) MODULE_AUTHOR("David Borowski");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) MODULE_DESCRIPTION("Speakup support for DECtalk External synthesizers");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) MODULE_VERSION(DRV_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)