/drivers/staging/speakup/kobjects.c
https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t · C · 1025 lines · 922 code · 48 blank · 55 comment · 133 complexity · 0a0e6af27ebea0f95c002cb9ee761020 MD5 · raw file
- /*
- * 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 <greg@kroah.com>
- * 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/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;
- spk_lock(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, 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;
- }
- spk_unlock(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)
- {
- char *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" : "");
- printk(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;
- spk_lock(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;
- }
- 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 (characters[index] != default_chars[index])
- kfree(characters[index]);
- characters[index] = desc;
- used++;
- } else {
- charclass = 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)
- reset_default_chars();
- else
- reset_default_chartab();
- }
- spk_unlock(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;
- spk_lock(flags);
- cp1 = 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);
- spk_unlock(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;
- spk_lock(flags);
- in_buff = kmalloc(count + 1, GFP_ATOMIC);
- if (!in_buff) {
- spk_unlock(flags);
- return -ENOMEM;
- }
- memcpy(in_buff, buf, count + 1);
- if (strchr("dDrR", *in_buff)) {
- set_key_info(key_defaults, key_buf);
- pr_info("keymap set to default values\n");
- kfree(in_buff);
- spk_unlock(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 = 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(key_buf)) {
- pr_warn("i %d %d %d %d\n", i,
- (int)cp1[-3], (int)cp1[-2], (int)cp1[-1]);
- kfree(in_buff);
- spk_unlock(flags);
- return -EINVAL;
- }
- while (--i >= 0) {
- cp = 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 (set_key_info(in_buff, key_buf)) {
- set_key_info(key_defaults, key_buf);
- ret = -EINVAL;
- pr_warn("set key failed\n");
- }
- }
- kfree(in_buff);
- spk_unlock(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;
- }
- spk_lock(flags);
- if (ch&2) {
- shut = 1;
- do_flush();
- } else {
- shut = 0;
- }
- if (ch&4)
- shut |= 0x40;
- if (ch&1)
- spk_shut_up |= shut;
- else
- spk_shut_up &= ~shut;
- spk_unlock(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 == NULL)
- 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;
- strncpy(new_synth_name, buf, len);
- if (new_synth_name[len - 1] == '\n')
- len--;
- new_synth_name[len] = '\0';
- strlwr(new_synth_name);
- if ((synth != NULL) && (!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)
- {
- u_char tmp[256];
- int len;
- int bytes;
- const char *ptr = buf;
- if (!synth)
- return -EPERM;
- len = strlen(buf);
- while (len > 0) {
- bytes = min_t(size_t, len, 250);
- strncpy(tmp, ptr, bytes);
- tmp[bytes] = '\0';
- xlate(tmp);
- synth_printf("%s", tmp);
- ptr += bytes;
- len -= bytes;
- }
- 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 = var_header_by_name(attr->attr.name);
- if (p_header == NULL) {
- pr_warn("p_header is null, attr->attr.name is %s\n",
- attr->attr.name);
- return -EINVAL;
- }
- var = get_punc_var(p_header->var_id);
- if (var == NULL) {
- pr_warn("var is null, p_header->var_id is %i\n",
- p_header->var_id);
- return -EINVAL;
- }
- spk_lock(flags);
- pb = (struct st_bits_data *) &punc_info[var->value];
- mask = pb->mask;
- for (i = 33; i < 128; i++) {
- if (!(spk_chartab[i]&mask))
- continue;
- *cp++ = (char)i;
- }
- spk_unlock(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 = var_header_by_name(attr->attr.name);
- if (p_header == NULL) {
- pr_warn("p_header is null, attr->attr.name is %s\n",
- attr->attr.name);
- return -EINVAL;
- }
- var = get_punc_var(p_header->var_id);
- if (var == NULL) {
- pr_warn("var is null, p_header->var_id is %i\n",
- p_header->var_id);
- return -EINVAL;
- }
- strncpy(punc_buf, buf, x);
- while (x && punc_buf[x - 1] == '\n')
- x--;
- punc_buf[x] = '\0';
- spk_lock(flags);
- if (*punc_buf == 'd' || *punc_buf == 'r')
- x = set_mask_bits(0, var->value, 3);
- else
- x = set_mask_bits(punc_buf, var->value, 3);
- spk_unlock(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 = var_header_by_name(attr->attr.name);
- if (param == NULL)
- return -EINVAL;
- spk_lock(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;
- }
- spk_unlock(flags);
- return rv;
- }
- EXPORT_SYMBOL_GPL(spk_var_show);
- /*
- * 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;
- int value;
- unsigned long flags;
- param = var_header_by_name(attr->attr.name);
- if (param == NULL)
- return -EINVAL;
- if (param->data == NULL)
- return 0;
- ret = 0;
- cp = xlate((char *) buf);
- spk_lock(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;
- speakup_s2i(cp, &value);
- ret = set_num_var(value, param, len);
- if (ret == E_RANGE) {
- var_data = param->data;
- pr_warn("value for %s out of range, expect %d to %d\n",
- attr->attr.name,
- var_data->u.n.low, var_data->u.n.high);
- }
- break;
- case VAR_STRING:
- len = strlen(buf);
- if ((len >= 1) && (buf[len - 1] == '\n'))
- --len;
- if ((len >= 2) && (buf[0] == '"') && (buf[len - 1] == '"')) {
- ++buf;
- len -= 2;
- }
- cp = (char *) buf;
- cp[len] = '\0';
- ret = set_string_var(buf, param, len);
- if (ret == E_TOOLONG)
- pr_warn("value too long for %s\n",
- attr->attr.name);
- break;
- default:
- pr_warn("%s unknown type %d\n",
- param->name, (int)param->var_type);
- break;
- }
- /*
- * If voice was just changed, we might need to reset our default
- * pitch and volume.
- */
- if (strcmp(attr->attr.name, "voice") == 0) {
- if (synth && synth->default_pitch) {
- param = var_header_by_name("pitch");
- if (param) {
- set_num_var(synth->default_pitch[value], param,
- E_NEW_DEFAULT);
- set_num_var(0, param, E_DEFAULT);
- }
- }
- if (synth && synth->default_vol) {
- param = var_header_by_name("vol");
- if (param) {
- set_num_var(synth->default_vol[value], param,
- E_NEW_DEFAULT);
- set_num_var(0, param, E_DEFAULT);
- }
- }
- }
- spk_unlock(flags);
- if (ret == SET_DEFAULT)
- pr_info("%s reset to default value\n", attr->attr.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, 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" : "");
- printk(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;
- }
- 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 = msg_set(curmessage, temp, desc_length);
- if (msg_stored < 0) {
- retval = msg_stored;
- if (msg_stored == -ENOMEM)
- reset = 1;
- break;
- } else {
- used++;
- }
- cp = linefeed + 1;
- }
- if (reset)
- 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 = find_msg_group(attr->attr.name);
- unsigned long flags;
- BUG_ON(!group);
- spk_lock(flags);
- retval = message_show_helper(buf, group->start, group->end);
- spk_unlock(flags);
- return retval;
- }
- static ssize_t message_store(struct kobject *kobj, struct kobj_attribute *attr,
- const char *buf, size_t count)
- {
- ssize_t retval = 0;
- struct msg_group_t *group = find_msg_group(attr->attr.name);
- BUG_ON(!group);
- retval = message_store_helper(buf, count, group);
- return retval;
- }
- /*
- * Declare the attributes.
- */
- static struct kobj_attribute keymap_attribute =
- __ATTR(keymap, ROOT_W, keymap_show, keymap_store);
- static struct kobj_attribute silent_attribute =
- __ATTR(silent, USER_W, NULL, silent_store);
- static struct kobj_attribute synth_attribute =
- __ATTR(synth, USER_RW, synth_show, synth_store);
- static struct kobj_attribute synth_direct_attribute =
- __ATTR(synth_direct, USER_W, NULL, synth_direct_store);
- static struct kobj_attribute version_attribute =
- __ATTR_RO(version);
- static struct kobj_attribute delimiters_attribute =
- __ATTR(delimiters, USER_RW, punc_show, punc_store);
- static struct kobj_attribute ex_num_attribute =
- __ATTR(ex_num, USER_RW, punc_show, punc_store);
- static struct kobj_attribute punc_all_attribute =
- __ATTR(punc_all, USER_RW, punc_show, punc_store);
- static struct kobj_attribute punc_most_attribute =
- __ATTR(punc_most, USER_RW, punc_show, punc_store);
- static struct kobj_attribute punc_some_attribute =
- __ATTR(punc_some, USER_RW, punc_show, punc_store);
- static struct kobj_attribute repeats_attribute =
- __ATTR(repeats, USER_RW, punc_show, punc_store);
- static struct kobj_attribute attrib_bleep_attribute =
- __ATTR(attrib_bleep, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute bell_pos_attribute =
- __ATTR(bell_pos, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute bleep_time_attribute =
- __ATTR(bleep_time, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute bleeps_attribute =
- __ATTR(bleeps, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute cursor_time_attribute =
- __ATTR(cursor_time, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute key_echo_attribute =
- __ATTR(key_echo, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute no_interrupt_attribute =
- __ATTR(no_interrupt, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute punc_level_attribute =
- __ATTR(punc_level, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute reading_punc_attribute =
- __ATTR(reading_punc, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute say_control_attribute =
- __ATTR(say_control, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute say_word_ctl_attribute =
- __ATTR(say_word_ctl, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute spell_delay_attribute =
- __ATTR(spell_delay, USER_RW, spk_var_show, spk_var_store);
- /*
- * These attributes are i18n related.
- */
- static struct kobj_attribute announcements_attribute =
- __ATTR(announcements, USER_RW, message_show, message_store);
- static struct kobj_attribute characters_attribute =
- __ATTR(characters, USER_RW, chars_chartab_show, chars_chartab_store);
- static struct kobj_attribute chartab_attribute =
- __ATTR(chartab, USER_RW, chars_chartab_show, chars_chartab_store);
- static struct kobj_attribute ctl_keys_attribute =
- __ATTR(ctl_keys, USER_RW, message_show, message_store);
- static struct kobj_attribute colors_attribute =
- __ATTR(colors, USER_RW, message_show, message_store);
- static struct kobj_attribute formatted_attribute =
- __ATTR(formatted, USER_RW, message_show, message_store);
- static struct kobj_attribute function_names_attribute =
- __ATTR(function_names, USER_RW, message_show, message_store);
- static struct kobj_attribute key_names_attribute =
- __ATTR(key_names, USER_RW, message_show, message_store);
- static struct kobj_attribute states_attribute =
- __ATTR(states, USER_RW, 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,
- 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 struct attribute_group main_attr_group = {
- .attrs = main_attrs,
- };
- static 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);
- }