// SPDX-License-Identifier: GPL-2.0
/*
* Speakup kobject implementation
*
* Copyright (C) 2009 William Hubbs
*
* This code is based on kobject-example.c, which came with linux 2.6.x.
*
* Copyright (C) 2004-2007 Greg Kroah-Hartman <[email protected]>
* Copyright (C) 2007 Novell Inc.
*
* Released under the GPL version 2 only.
*
*/
#include <linux/slab.h> /* For kmalloc. */
#include <linux/kernel.h>
#include <linux/kobject.h>
#include <linux/string.h>
#include <linux/string_helpers.h>
#include <linux/sysfs.h>
#include <linux/ctype.h>
#include "speakup.h"
#include "spk_priv.h"
/*
* This is called when a user reads the characters or chartab sys file.
*/
static ssize_t chars_chartab_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
int i;
int len = 0;
char *cp;
char *buf_pointer = buf;
size_t bufsize = PAGE_SIZE;
unsigned long flags;
spin_lock_irqsave(&speakup_info.spinlock, flags);
*buf_pointer = '\0';
for (i = 0; i < 256; i++) {
if (bufsize <= 1)
break;
if (strcmp("characters", attr->attr.name) == 0) {
len = scnprintf(buf_pointer, bufsize, "%d\t%s\n",
i, spk_characters[i]);
} else { /* show chartab entry */
if (IS_TYPE(i, B_CTL))
cp = "B_CTL";
else if (IS_TYPE(i, WDLM))
cp = "WDLM";
else if (IS_TYPE(i, A_PUNC))
cp = "A_PUNC";
else if (IS_TYPE(i, PUNC))
cp = "PUNC";
else if (IS_TYPE(i, NUM))
cp = "NUM";
else if (IS_TYPE(i, A_CAP))
cp = "A_CAP";
else if (IS_TYPE(i, ALPHA))
cp = "ALPHA";
else if (IS_TYPE(i, B_CAPSYM))
cp = "B_CAPSYM";
else if (IS_TYPE(i, B_SYM))
cp = "B_SYM";
else
cp = "0";
len =
scnprintf(buf_pointer, bufsize, "%d\t%s\n", i, cp);
}
bufsize -= len;
buf_pointer += len;
}
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return buf_pointer - buf;
}
/*
* Print informational messages or warnings after updating
* character descriptions or chartab entries.
*/
static void report_char_chartab_status(int reset, int received, int used,
int rejected, int do_characters)
{
static char const *object_type[] = {
"character class entries",
"character descriptions",
};
int len;
char buf[80];
if (reset) {
pr_info("%s reset to defaults\n", object_type[do_characters]);
} else if (received) {
len = snprintf(buf, sizeof(buf),
" updated %d of %d %s\n",
used, received, object_type[do_characters]);
if (rejected)
snprintf(buf + (len - 1), sizeof(buf) - (len - 1),
" with %d reject%s\n",
rejected, rejected > 1 ? "s" : "");
pr_info("%s", buf);
}
}
/*
* This is called when a user changes the characters or chartab parameters.
*/
static ssize_t chars_chartab_store(struct kobject *kobj,
struct kobj_attribute *attr,
const char *buf, size_t count)
{
char *cp = (char *)buf;
char *end = cp + count; /* the null at the end of the buffer */
char *linefeed = NULL;
char keyword[MAX_DESC_LEN + 1];
char *outptr = NULL; /* Will hold keyword or desc. */
char *temp = NULL;
char *desc = NULL;
ssize_t retval = count;
unsigned long flags;
unsigned long index = 0;
int charclass = 0;
int received = 0;
int used = 0;
int rejected = 0;
int reset = 0;
int do_characters = !strcmp(attr->attr.name, "characters");
size_t desc_length = 0;
int i;
spin_lock_irqsave(&speakup_info.spinlock, flags);
while (cp < end) {
while ((cp < end) && (*cp == ' ' || *cp == '\t'))
cp++;
if (cp == end)
break;
if ((*cp == '\n') || strchr("dDrR", *cp)) {
reset = 1;
break;
}
received++;
linefeed = strchr(cp, '\n');
if (!linefeed) {
rejected++;
break;
}
if (!isdigit(*cp)) {
rejected++;
cp = linefeed + 1;
continue;
}
/*
* Do not replace with kstrtoul:
* here we need temp to be updated
*/
index = simple_strtoul(cp, &temp, 10);
if (index > 255) {
rejected++;
cp = linefeed + 1;
continue;
}
while ((temp < linefeed) && (*temp == ' ' || *temp == '\t'))
temp++;
desc_length = linefeed - temp;
if (desc_length > MAX_DESC_LEN) {
rejected++;
cp = linefeed + 1;
continue;
}
if (do_characters) {
desc = kmalloc(desc_length + 1, GFP_ATOMIC);
if (!desc) {
retval = -ENOMEM;
reset = 1; /* just reset on error. */
break;
}
outptr = desc;
} else {
outptr = keyword;
}
for (i = 0; i < desc_length; i++)
outptr[i] = temp[i];
outptr[desc_length] = '\0';
if (do_characters) {
if (spk_characters[index] != spk_default_chars[index])
kfree(spk_characters[index]);
spk_characters[index] = desc;
used++;
} else {
charclass = spk_chartab_get_value(keyword);
if (charclass == 0) {
rejected++;
cp = linefeed + 1;
continue;
}
if (charclass != spk_chartab[index]) {
spk_chartab[index] = charclass;
used++;
}
}
cp = linefeed + 1;
}
if (reset) {
if (do_characters)
spk_reset_default_chars();
else
spk_reset_default_chartab();
}
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
report_char_chartab_status(reset, received, used, rejected,
do_characters);
return retval;
}
/*
* This is called when a user reads the keymap parameter.
*/
static ssize_t keymap_show(struct kobject *kobj, struct kobj_attribute *attr,
char *buf)
{
char *cp = buf;
int i;
int n;
int num_keys;
int nstates;
u_char *cp1;
u_char ch;
unsigned long flags;
spin_lock_irqsave(&speakup_info.spinlock, flags);
cp1 = spk_key_buf + SHIFT_TBL_SIZE;
num_keys = (int)(*cp1);
nstates = (int)cp1[1];
cp += sprintf(cp, "%d, %d, %d,\n", KEY_MAP_VER, num_keys, nstates);
cp1 += 2; /* now pointing at shift states */
/* dump num_keys+1 as first row is shift states + flags,
* each subsequent row is key + states
*/
for (n = 0; n <= num_keys; n++) {
for (i = 0; i <= nstates; i++) {
ch = *cp1++;
cp += sprintf(cp, "%d,", (int)ch);
*cp++ = (i < nstates) ? SPACE : '\n';
}
}
cp += sprintf(cp, "0, %d\n", KEY_MAP_VER);
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return (int)(cp - buf);
}
/*
* This is called when a user changes the keymap parameter.
*/
static ssize_t keymap_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
int i;
ssize_t ret = count;
char *in_buff = NULL;
char *cp;
u_char *cp1;
unsigned long flags;
spin_lock_irqsave(&speakup_info.spinlock, flags);
in_buff = kmemdup(buf, count + 1, GFP_ATOMIC);
if (!in_buff) {
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return -ENOMEM;
}
if (strchr("dDrR", *in_buff)) {
spk_set_key_info(spk_key_defaults, spk_key_buf);
pr_info("keymap set to default values\n");
kfree(in_buff);
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return count;
}
if (in_buff[count - 1] == '\n')
in_buff[count - 1] = '\0';
cp = in_buff;
cp1 = (u_char *)in_buff;
for (i = 0; i < 3; i++) {
cp = spk_s2uchar(cp, cp1);
cp1++;
}
i = (int)cp1[-2] + 1;
i *= (int)cp1[-1] + 1;
i += 2; /* 0 and last map ver */
if (cp1[-3] != KEY_MAP_VER || cp1[-1] > 10 ||
i + SHIFT_TBL_SIZE + 4 >= sizeof(spk_key_buf)) {
pr_warn("i %d %d %d %d\n", i,
(int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
kfree(in_buff);
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return -EINVAL;
}
while (--i >= 0) {
cp = spk_s2uchar(cp, cp1);
cp1++;
if (!(*cp))
break;
}
if (i != 0 || cp1[-1] != KEY_MAP_VER || cp1[-2] != 0) {
ret = -EINVAL;
pr_warn("end %d %d %d %d\n", i,
(int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
} else {
if (spk_set_key_info(in_buff, spk_key_buf)) {
spk_set_key_info(spk_key_defaults, spk_key_buf);
ret = -EINVAL;
pr_warn("set key failed\n");
}
}
kfree(in_buff);
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return ret;
}
/*
* This is called when a user changes the value of the silent parameter.
*/
static ssize_t silent_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
int len;
struct vc_data *vc = vc_cons[fg_console].d;
char ch = 0;
char shut;
unsigned long flags;
len = strlen(buf);
if (len > 0 && len < 3) {
ch = buf[0];
if (ch == '\n')
ch = '0';
}
if (ch < '0' || ch > '7') {
pr_warn("silent value '%c' not in range (0,7)\n", ch);
return -EINVAL;
}
spin_lock_irqsave(&speakup_info.spinlock, flags);
if (ch & 2) {
shut = 1;
spk_do_flush();
} else {
shut = 0;
}
if (ch & 4)
shut |= 0x40;
if (ch & 1)
spk_shut_up |= shut;
else
spk_shut_up &= ~shut;
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return count;
}
/*
* This is called when a user reads the synth setting.
*/
static ssize_t synth_show(struct kobject *kobj, struct kobj_attribute *attr,
char *buf)
{
int rv;
if (!synth)
rv = sprintf(buf, "%s\n", "none");
else
rv = sprintf(buf, "%s\n", synth->name);
return rv;
}
/*
* This is called when a user requests to change synthesizers.
*/
static ssize_t synth_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
int len;
char new_synth_name[10];
len = strlen(buf);
if (len < 2 || len > 9)
return -EINVAL;
memcpy(new_synth_name, buf, len);
if (new_synth_name[len - 1] == '\n')
len--;
new_synth_name[len] = '\0';
spk_strlwr(new_synth_name);
if (synth && !strcmp(new_synth_name, synth->name)) {
pr_warn("%s already in use\n", new_synth_name);
} else if (synth_init(new_synth_name) != 0) {
pr_warn("failed to init synth %s\n", new_synth_name);
return -ENODEV;
}
return count;
}
/*
* This is called when text is sent to the synth via the synth_direct file.
*/
static ssize_t synth_direct_store(struct kobject *kobj,
struct kobj_attribute *attr,
const char *buf, size_t count)
{
char *unescaped;
unsigned long flags;
if (!synth)
return -EPERM;
unescaped = kstrdup(buf, GFP_KERNEL);
if (!unescaped)
return -ENOMEM;
string_unescape_any_inplace(unescaped);
spin_lock_irqsave(&speakup_info.spinlock, flags);
synth_write(unescaped, strlen(unescaped));
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
kfree(unescaped);
return count;
}
/*
* This function is called when a user reads the version.
*/
static ssize_t version_show(struct kobject *kobj, struct kobj_attribute *attr,
char *buf)
{
char *cp;
cp = buf;
cp += sprintf(cp, "Speakup version %s\n", SPEAKUP_VERSION);
if (synth)
cp += sprintf(cp, "%s synthesizer driver version %s\n",
synth->name, synth->version);
return cp - buf;
}
/*
* This is called when a user reads the punctuation settings.
*/
static ssize_t punc_show(struct kobject *kobj, struct kobj_attribute *attr,
char *buf)
{
int i;
char *cp = buf;
struct st_var_header *p_header;
struct punc_var_t *var;
struct st_bits_data *pb;
short mask;
unsigned long flags;
p_header = spk_var_header_by_name(attr->attr.name);
if (!p_header) {
pr_warn("p_header is null, attr->attr.name is %s\n",
attr->attr.name);
return -EINVAL;
}
var = spk_get_punc_var(p_header->var_id);
if (!var) {
pr_warn("var is null, p_header->var_id is %i\n",
p_header->var_id);
return -EINVAL;
}
spin_lock_irqsave(&speakup_info.spinlock, flags);
pb = (struct st_bits_data *)&spk_punc_info[var->value];
mask = pb->mask;
for (i = 33; i < 128; i++) {
if (!(spk_chartab[i] & mask))
continue;
*cp++ = (char)i;
}
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return cp - buf;
}
/*
* This is called when a user changes the punctuation settings.
*/
static ssize_t punc_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
int x;
struct st_var_header *p_header;
struct punc_var_t *var;
char punc_buf[100];
unsigned long flags;
x = strlen(buf);
if (x < 1 || x > 99)
return -EINVAL;
p_header = spk_var_header_by_name(attr->attr.name);
if (!p_header) {
pr_warn("p_header is null, attr->attr.name is %s\n",
attr->attr.name);
return -EINVAL;
}
var = spk_get_punc_var(p_header->var_id);
if (!var) {
pr_warn("var is null, p_header->var_id is %i\n",
p_header->var_id);
return -EINVAL;
}
memcpy(punc_buf, buf, x);
while (x && punc_buf[x - 1] == '\n')
x--;
punc_buf[x] = '\0';
spin_lock_irqsave(&speakup_info.spinlock, flags);
if (*punc_buf == 'd' || *punc_buf == 'r')
x = spk_set_mask_bits(NULL, var->value, 3);
else
x = spk_set_mask_bits(punc_buf, var->value, 3);
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return count;
}
/*
* This function is called when a user reads one of the variable parameters.
*/
ssize_t spk_var_show(struct kobject *kobj, struct kobj_attribute *attr,
char *buf)
{
int rv = 0;
struct st_var_header *param;
struct var_t *var;
char *cp1;
char *cp;
char ch;
unsigned long flags;
param = spk_var_header_by_name(attr->attr.name);
if (!param)
return -EINVAL;
spin_lock_irqsave(&speakup_info.spinlock, flags);
var = (struct var_t *)param->data;
switch (param->var_type) {
case VAR_NUM:
case VAR_TIME:
if (var)
rv = sprintf(buf, "%i\n", var->u.n.value);
else
rv = sprintf(buf, "0\n");
break;
case VAR_STRING:
if (var) {
cp1 = buf;
*cp1++ = '"';
for (cp = (char *)param->p_val; (ch = *cp); cp++) {
if (ch >= ' ' && ch < '~')
*cp1++ = ch;
else
cp1 += sprintf(cp1, "\\x%02x", ch);
}
*cp1++ = '"';
*cp1++ = '\n';
*cp1 = '\0';
rv = cp1 - buf;
} else {
rv = sprintf(buf, "\"\"\n");
}
break;
default:
rv = sprintf(buf, "Bad parameter %s, type %i\n",
param->name, param->var_type);
break;
}
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return rv;
}
EXPORT_SYMBOL_GPL(spk_var_show);
/*
* Used to reset either default_pitch or default_vol.
*/
static inline void spk_reset_default_value(char *header_name,
int *synth_default_value, int idx)
{
struct st_var_header *param;
if (synth && synth_default_value) {
param = spk_var_header_by_name(header_name);
if (param) {
spk_set_num_var(synth_default_value[idx],
param, E_NEW_DEFAULT);
spk_set_num_var(0, param, E_DEFAULT);
pr_info("%s reset to default value\n", param->name);
}
}
}
/*
* This function is called when a user echos a value to one of the
* variable parameters.
*/
ssize_t spk_var_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
struct st_var_header *param;
int ret;
int len;
char *cp;
struct var_t *var_data;
long value;
unsigned long flags;
param = spk_var_header_by_name(attr->attr.name);
if (!param)
return -EINVAL;
if (!param->data)
return 0;
ret = 0;
cp = (char *)buf;
string_unescape_any_inplace(cp);
spin_lock_irqsave(&speakup_info.spinlock, flags);
switch (param->var_type) {
case VAR_NUM:
case VAR_TIME:
if (*cp == 'd' || *cp == 'r' || *cp == '\0')
len = E_DEFAULT;
else if (*cp == '+' || *cp == '-')
len = E_INC;
else
len = E_SET;
if (kstrtol(cp, 10, &value) == 0)
ret = spk_set_num_var(value, param, len);
else
pr_warn("overflow or parsing error has occurred");
if (ret == -ERANGE) {
var_data = param->data;
pr_warn("value for %s out of range, expect %d to %d\n",
param->name,
var_data->u.n.low, var_data->u.n.high);
}
/*
* If voice was just changed, we might need to reset our default
* pitch and volume.
*/
if (param->var_id == VOICE && synth &&
(ret == 0 || ret == -ERESTART)) {
var_data = param->data;
value = var_data->u.n.value;
spk_reset_default_value("pitch", synth->default_pitch,
value);
spk_reset_default_value("vol", synth->default_vol,
value);
}
break;
case VAR_STRING:
len = strlen(cp);
if ((len >= 1) && (cp[len - 1] == '\n'))
--len;
if ((len >= 2) && (cp[0] == '"') && (cp[len - 1] == '"')) {
++cp;
len -= 2;
}
cp[len] = '\0';
ret = spk_set_string_var(cp, param, len);
if (ret == -E2BIG)
pr_warn("value too long for %s\n",
param->name);
break;
default:
pr_warn("%s unknown type %d\n",
param->name, (int)param->var_type);
break;
}
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
if (ret == -ERESTART)
pr_info("%s reset to default value\n", param->name);
return count;
}
EXPORT_SYMBOL_GPL(spk_var_store);
/*
* Functions for reading and writing lists of i18n messages. Incomplete.
*/
static ssize_t message_show_helper(char *buf, enum msg_index_t first,
enum msg_index_t last)
{
size_t bufsize = PAGE_SIZE;
char *buf_pointer = buf;
int printed;
enum msg_index_t cursor;
int index = 0;
*buf_pointer = '\0'; /* buf_pointer always looking at a NUL byte. */
for (cursor = first; cursor <= last; cursor++, index++) {
if (bufsize <= 1)
break;
printed = scnprintf(buf_pointer, bufsize, "%d\t%s\n",
index, spk_msg_get(cursor));
buf_pointer += printed;
bufsize -= printed;
}
return buf_pointer - buf;
}
static void report_msg_status(int reset, int received, int used,
int rejected, char *groupname)
{
int len;
char buf[160];
if (reset) {
pr_info("i18n messages from group %s reset to defaults\n",
groupname);
} else if (received) {
len = snprintf(buf, sizeof(buf),
" updated %d of %d i18n messages from group %s\n",
used, received, groupname);
if (rejected)
snprintf(buf + (len - 1), sizeof(buf) - (len - 1),
" with %d reject%s\n",
rejected, rejected > 1 ? "s" : "");
pr_info("%s", buf);
}
}
static ssize_t message_store_helper(const char *buf, size_t count,
struct msg_group_t *group)
{
char *cp = (char *)buf;
char *end = cp + count;
char *linefeed = NULL;
char *temp = NULL;
ssize_t msg_stored = 0;
ssize_t retval = count;
size_t desc_length = 0;
unsigned long index = 0;
int received = 0;
int used = 0;
int rejected = 0;
int reset = 0;
enum msg_index_t firstmessage = group->start;
enum msg_index_t lastmessage = group->end;
enum msg_index_t curmessage;
while (cp < end) {
while ((cp < end) && (*cp == ' ' || *cp == '\t'))
cp++;
if (cp == end)
break;
if (strchr("dDrR", *cp)) {
reset = 1;
break;
}
received++;
linefeed = strchr(cp, '\n');
if (!linefeed) {
rejected++;
break;
}
if (!isdigit(*cp)) {
rejected++;
cp = linefeed + 1;
continue;
}
/*
* Do not replace with kstrtoul:
* here we need temp to be updated
*/
index = simple_strtoul(cp, &temp, 10);
while ((temp < linefeed) && (*temp == ' ' || *temp == '\t'))
temp++;
desc_length = linefeed - temp;
curmessage = firstmessage + index;
/*
* Note the check (curmessage < firstmessage). It is not
* redundant. Suppose that the user gave us an index
* equal to ULONG_MAX - 1. If firstmessage > 1, then
* firstmessage + index < firstmessage!
*/
if ((curmessage < firstmessage) || (curmessage > lastmessage)) {
rejected++;
cp = linefeed + 1;
continue;
}
msg_stored = spk_msg_set(curmessage, temp, desc_length);
if (msg_stored < 0) {
retval = msg_stored;
if (msg_stored == -ENOMEM)
reset = 1;
break;
}
used++;
cp = linefeed + 1;
}
if (reset)
spk_reset_msg_group(group);
report_msg_status(reset, received, used, rejected, group->name);
return retval;
}
static ssize_t message_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
ssize_t retval = 0;
struct msg_group_t *group = spk_find_msg_group(attr->attr.name);
unsigned long flags;
if (WARN_ON(!group))
return -EINVAL;
spin_lock_irqsave(&speakup_info.spinlock, flags);
retval = message_show_helper(buf, group->start, group->end);
spin_unlock_irqrestore(&speakup_info.spinlock, flags);
return retval;
}
static ssize_t message_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
struct msg_group_t *group = spk_find_msg_group(attr->attr.name);
if (WARN_ON(!group))
return -EINVAL;
return message_store_helper(buf, count, group);
}
/*
* Declare the attributes.
*/
static struct kobj_attribute keymap_attribute =
__ATTR_RW(keymap);
static struct kobj_attribute silent_attribute =
__ATTR_WO(silent);
static struct kobj_attribute synth_attribute =
__ATTR_RW(synth);
static struct kobj_attribute synth_direct_attribute =
__ATTR_WO(synth_direct);
static struct kobj_attribute version_attribute =
__ATTR_RO(version);
static struct kobj_attribute delimiters_attribute =
__ATTR(delimiters, 0644, punc_show, punc_store);
static struct kobj_attribute ex_num_attribute =
__ATTR(ex_num, 0644, punc_show, punc_store);
static struct kobj_attribute punc_all_attribute =
__ATTR(punc_all, 0644, punc_show, punc_store);
static struct kobj_attribute punc_most_attribute =
__ATTR(punc_most, 0644, punc_show, punc_store);
static struct kobj_attribute punc_some_attribute =
__ATTR(punc_some, 0644, punc_show, punc_store);
static struct kobj_attribute repeats_attribute =
__ATTR(repeats, 0644, punc_show, punc_store);
static struct kobj_attribute attrib_bleep_attribute =
__ATTR(attrib_bleep, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute bell_pos_attribute =
__ATTR(bell_pos, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute bleep_time_attribute =
__ATTR(bleep_time, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute bleeps_attribute =
__ATTR(bleeps, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute cursor_time_attribute =
__ATTR(cursor_time, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute key_echo_attribute =
__ATTR(key_echo, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute no_interrupt_attribute =
__ATTR(no_interrupt, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute punc_level_attribute =
__ATTR(punc_level, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute reading_punc_attribute =
__ATTR(reading_punc, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute say_control_attribute =
__ATTR(say_control, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute say_word_ctl_attribute =
__ATTR(say_word_ctl, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute spell_delay_attribute =
__ATTR(spell_delay, 0644, spk_var_show, spk_var_store);
static struct kobj_attribute cur_phonetic_attribute =
__ATTR(cur_phonetic, 0644, spk_var_show, spk_var_store);
/*
* These attributes are i18n related.
*/
static struct kobj_attribute announcements_attribute =
__ATTR(announcements, 0644, message_show, message_store);
static struct kobj_attribute characters_attribute =
__ATTR(characters, 0644, chars_chartab_show,
chars_chartab_store);
static struct kobj_attribute chartab_attribute =
__ATTR(chartab, 0644, chars_chartab_show,
chars_chartab_store);
static struct kobj_attribute ctl_keys_attribute =
__ATTR(ctl_keys, 0644, message_show, message_store);
static struct kobj_attribute colors_attribute =
__ATTR(colors, 0644, message_show, message_store);
static struct kobj_attribute formatted_attribute =
__ATTR(formatted, 0644, message_show, message_store);
static struct kobj_attribute function_names_attribute =
__ATTR(function_names, 0644, message_show, message_store);
static struct kobj_attribute key_names_attribute =
__ATTR(key_names, 0644, message_show, message_store);
static struct kobj_attribute states_attribute =
__ATTR(states, 0644, message_show, message_store);
/*
* Create groups of attributes so that we can create and destroy them all
* at once.
*/
static struct attribute *main_attrs[] = {
&keymap_attribute.attr,
&silent_attribute.attr,
&synth_attribute.attr,
&synth_direct_attribute.attr,
&version_attribute.attr,
&delimiters_attribute.attr,
&ex_num_attribute.attr,
&punc_all_attribute.attr,
&punc_most_attribute.attr,
&punc_some_attribute.attr,
&repeats_attribute.attr,
&attrib_bleep_attribute.attr,
&bell_pos_attribute.attr,
&bleep_time_attribute.attr,
&bleeps_attribute.attr,
&cursor_time_attribute.attr,
&key_echo_attribute.attr,
&no_interrupt_attribute.attr,
&punc_level_attribute.attr,
&reading_punc_attribute.attr,
&say_control_attribute.attr,
&say_word_ctl_attribute.attr,
&spell_delay_attribute.attr,
&cur_phonetic_attribute.attr,
NULL,
};
static struct attribute *i18n_attrs[] = {
&announcements_attribute.attr,
&characters_attribute.attr,
&chartab_attribute.attr,
&ctl_keys_attribute.attr,
&colors_attribute.attr,
&formatted_attribute.attr,
&function_names_attribute.attr,
&key_names_attribute.attr,
&states_attribute.attr,
NULL,
};
/*
* An unnamed attribute group will put all of the attributes directly in
* the kobject directory. If we specify a name, a subdirectory will be
* created for the attributes with the directory being the name of the
* attribute group.
*/
static const struct attribute_group main_attr_group = {
.attrs = main_attrs,
};
static const struct attribute_group i18n_attr_group = {
.attrs = i18n_attrs,
.name = "i18n",
};
static struct kobject *accessibility_kobj;
struct kobject *speakup_kobj;
int speakup_kobj_init(void)
{
int retval;
/*
* Create a simple kobject with the name of "accessibility",
* located under /sys/
*
* As this is a simple directory, no uevent will be sent to
* userspace. That is why this function should not be used for
* any type of dynamic kobjects, where the name and number are
* not known ahead of time.
*/
accessibility_kobj = kobject_create_and_add("accessibility", NULL);
if (!accessibility_kobj) {
retval = -ENOMEM;
goto out;
}
speakup_kobj = kobject_create_and_add("speakup", accessibility_kobj);
if (!speakup_kobj) {
retval = -ENOMEM;
goto err_acc;
}
/* Create the files associated with this kobject */
retval = sysfs_create_group(speakup_kobj, &main_attr_group);
if (retval)
goto err_speakup;
retval = sysfs_create_group(speakup_kobj, &i18n_attr_group);
if (retval)
goto err_group;
goto out;
err_group:
sysfs_remove_group(speakup_kobj, &main_attr_group);
err_speakup:
kobject_put(speakup_kobj);
err_acc:
kobject_put(accessibility_kobj);
out:
return retval;
}
void speakup_kobj_exit(void)
{
sysfs_remove_group(speakup_kobj, &i18n_attr_group);
sysfs_remove_group(speakup_kobj, &main_attr_group);
kobject_put(speakup_kobj);
kobject_put(accessibility_kobj);
}
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