Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^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)  * 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)  * this code is specificly written as a driver for the speakup screenreview
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * package and is not a general device driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * This driver is for the Aicom Acent PC internal synthesizer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/kthread.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include "spk_priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include "serialio.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include "speakup.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include "speakup_acnt.h" /* local header file for Accent values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define DRV_VERSION "2.10"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define PROCSPEECH '\r'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) static int synth_probe(struct spk_synth *synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) static void accent_release(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) static const char *synth_immediate(struct spk_synth *synth, const char *buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) static void do_catch_up(struct spk_synth *synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) static void synth_flush(struct spk_synth *synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) static int synth_port_control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) static int port_forced;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) static unsigned int synth_portlist[] = { 0x2a8, 0 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) static struct var_t vars[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	{ CAPS_START, .u.s = {"\033P8" } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	{ CAPS_STOP, .u.s = {"\033P5" } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	{ RATE, .u.n = {"\033R%c", 9, 0, 17, 0, 0, "0123456789abcdefgh" } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	{ PITCH, .u.n = {"\033P%d", 5, 0, 9, 0, 0, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	{ VOL, .u.n = {"\033A%d", 5, 0, 9, 0, 0, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	{ TONE, .u.n = {"\033V%d", 5, 0, 9, 0, 0, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	{ DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	V_LAST_VAR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  * These attributes will appear in /sys/accessibility/speakup/acntpc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) static struct kobj_attribute caps_start_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	__ATTR(caps_start, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) static struct kobj_attribute caps_stop_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	__ATTR(caps_stop, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) static struct kobj_attribute pitch_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	__ATTR(pitch, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) static struct kobj_attribute rate_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	__ATTR(rate, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) static struct kobj_attribute tone_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	__ATTR(tone, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) static struct kobj_attribute vol_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	__ATTR(vol, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) static struct kobj_attribute delay_time_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	__ATTR(delay_time, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) static struct kobj_attribute direct_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	__ATTR(direct, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) static struct kobj_attribute full_time_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	__ATTR(full_time, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) static struct kobj_attribute jiffy_delta_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	__ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) static struct kobj_attribute trigger_time_attribute =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	__ATTR(trigger_time, 0644, spk_var_show, spk_var_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76)  * Create a group of attributes so that we can create and destroy them all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77)  * at once.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) static struct attribute *synth_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	&caps_start_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	&caps_stop_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	&pitch_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	&rate_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	&tone_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	&vol_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	&delay_time_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	&direct_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	&full_time_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	&jiffy_delta_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	&trigger_time_attribute.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	NULL,	/* need to NULL terminate the list of attributes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) static struct spk_synth synth_acntpc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	.name = "acntpc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	.version = DRV_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	.long_name = "Accent PC",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	.init = "\033=X \033Oi\033T2\033=M\033N1\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	.procspeech = PROCSPEECH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	.clear = SYNTH_CLEAR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	.delay = 500,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	.trigger = 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	.jiffies = 50,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	.full = 1000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	.startup = SYNTH_START,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	.checkval = SYNTH_CHECK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	.vars = vars,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	.io_ops = &spk_serial_io_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	.probe = synth_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	.release = accent_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	.synth_immediate = synth_immediate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	.catch_up = do_catch_up,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	.flush = synth_flush,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	.is_alive = spk_synth_is_alive_nop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	.synth_adjust = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	.read_buff_add = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	.get_index = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	.indexing = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 		.command = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		.lowindex = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		.highindex = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		.currindex = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	.attributes = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		.attrs = synth_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		.name = "acntpc",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static inline bool synth_writable(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	return inb_p(synth_port_control) & SYNTH_WRITABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static inline bool synth_full(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	return inb_p(speakup_info.port_tts + UART_RX) == 'F';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static const char *synth_immediate(struct spk_synth *synth, const char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	u_char ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	while ((ch = *buf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		int timeout = SPK_XMITR_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		if (ch == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 			ch = PROCSPEECH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 		if (synth_full())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 			return buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		while (synth_writable()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 			if (!--timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 				return buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			udelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		outb_p(ch, speakup_info.port_tts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		buf++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) static void do_catch_up(struct spk_synth *synth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	u_char ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	unsigned long jiff_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	int timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	int delay_time_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	int jiffy_delta_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	int full_time_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	struct var_t *delay_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	struct var_t *full_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	struct var_t *jiffy_delta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	jiffy_delta = spk_get_var(JIFFY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	delay_time = spk_get_var(DELAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	full_time = spk_get_var(FULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	jiffy_delta_val = jiffy_delta->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	jiff_max = jiffies + jiffy_delta_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	while (!kthread_should_stop()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		if (speakup_info.flushing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			speakup_info.flushing = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			synth->flush(synth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		synth_buffer_skip_nonlatin1();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		if (synth_buffer_empty()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		set_current_state(TASK_INTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		full_time_val = full_time->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		if (synth_full()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 			schedule_timeout(msecs_to_jiffies(full_time_val));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 		set_current_state(TASK_RUNNING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		timeout = SPK_XMITR_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		while (synth_writable()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 			if (!--timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 			udelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 		ch = synth_buffer_getc();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		if (ch == '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 			ch = PROCSPEECH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		outb_p(ch, speakup_info.port_tts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 		if (time_after_eq(jiffies, jiff_max) && ch == SPACE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 			timeout = SPK_XMITR_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 			while (synth_writable()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 				if (!--timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 				udelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 			outb_p(PROCSPEECH, speakup_info.port_tts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 			spin_lock_irqsave(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 			jiffy_delta_val = jiffy_delta->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 			delay_time_val = delay_time->u.n.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 			spin_unlock_irqrestore(&speakup_info.spinlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 			schedule_timeout(msecs_to_jiffies(delay_time_val));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			jiff_max = jiffies + jiffy_delta_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	timeout = SPK_XMITR_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	while (synth_writable()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		if (!--timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		udelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	outb_p(PROCSPEECH, speakup_info.port_tts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static void synth_flush(struct spk_synth *synth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	outb_p(SYNTH_CLEAR, speakup_info.port_tts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static int synth_probe(struct spk_synth *synth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	unsigned int port_val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	pr_info("Probing for %s.\n", synth->long_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	if (port_forced) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 		speakup_info.port_tts = port_forced;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 		pr_info("probe forced to %x by kernel command line\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			speakup_info.port_tts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 		if (synth_request_region(speakup_info.port_tts - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 					 SYNTH_IO_EXTENT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 			pr_warn("sorry, port already reserved\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 			return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 		port_val = inw(speakup_info.port_tts - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 		synth_port_control = speakup_info.port_tts - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 		for (i = 0; synth_portlist[i]; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 			if (synth_request_region(synth_portlist[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 						 SYNTH_IO_EXTENT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 				pr_warn
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 				    ("request_region: failed with 0x%x, %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 				     synth_portlist[i], SYNTH_IO_EXTENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 			port_val = inw(synth_portlist[i]) & 0xfffc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 			if (port_val == 0x53fc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 				/* 'S' and out&input bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 				synth_port_control = synth_portlist[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 				speakup_info.port_tts = synth_port_control + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	port_val &= 0xfffc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	if (port_val != 0x53fc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 		/* 'S' and out&input bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 		pr_info("%s: not found\n", synth->long_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		synth_release_region(synth_port_control, SYNTH_IO_EXTENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		synth_port_control = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	pr_info("%s: %03x-%03x, driver version %s,\n", synth->long_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		synth_port_control, synth_port_control + SYNTH_IO_EXTENT - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		synth->version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	synth->alive = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) static void accent_release(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	spk_stop_serial_interrupt();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	if (speakup_info.port_tts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 		synth_release_region(speakup_info.port_tts - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 				     SYNTH_IO_EXTENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	speakup_info.port_tts = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) module_param_hw_named(port, port_forced, int, ioport, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) module_param_named(start, synth_acntpc.startup, short, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) MODULE_PARM_DESC(port, "Set the port for the synthesizer (override probing).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) module_spk_synth(synth_acntpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) MODULE_AUTHOR("David Borowski");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) MODULE_DESCRIPTION("Speakup support for Accent PC synthesizer");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) MODULE_VERSION(DRV_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)