| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| William Hubbs | 1639 | 76.23% | 2 | 9.52% |
| Samuel Thibault | 431 | 20.05% | 5 | 23.81% |
| Christopher Brannon | 27 | 1.26% | 1 | 4.76% |
| Derek Robson | 16 | 0.74% | 1 | 4.76% |
| Okash Khawaja | 13 | 0.60% | 2 | 9.52% |
| Ben Hutchings | 8 | 0.37% | 1 | 4.76% |
| Emil Goode | 3 | 0.14% | 1 | 4.76% |
| Peter Hüwe | 3 | 0.14% | 1 | 4.76% |
| Greg Kroah-Hartman | 2 | 0.09% | 2 | 9.52% |
| Vaishali Thakkar | 2 | 0.09% | 1 | 4.76% |
| Linus Torvalds | 2 | 0.09% | 1 | 4.76% |
| Al Viro | 2 | 0.09% | 1 | 4.76% |
| Ingo Molnar | 1 | 0.05% | 1 | 4.76% |
| Walt Feasel | 1 | 0.05% | 1 | 4.76% |
| Total | 2150 | 21 |
// SPDX-License-Identifier: GPL-2.0+ /* speakup_soft.c - speakup driver to register and make available * a user space device for software synthesizers. written by: Kirk * Reiser <kirk@braille.uwo.ca> * * Copyright (C) 2003 Kirk Reiser. * * this code is specificly written as a driver for the speakup screenreview * package and is not a general device driver. */ #include <linux/unistd.h> #include <linux/miscdevice.h> /* for misc_register, and SYNTH_MINOR */ #include <linux/poll.h> /* for poll_wait() */ #include <linux/sched/signal.h> /* schedule(), signal_pending(), TASK_INTERRUPTIBLE */ #include "spk_priv.h" #include "speakup.h" #define DRV_VERSION "2.6" #define SOFTSYNTH_MINOR 26 /* might as well give it one more than /dev/synth */ #define SOFTSYNTHU_MINOR 27 /* might as well give it one more than /dev/synth */ #define PROCSPEECH 0x0d #define CLEAR_SYNTH 0x18 static int softsynth_probe(struct spk_synth *synth); static void softsynth_release(void); static int softsynth_is_alive(struct spk_synth *synth); static unsigned char get_index(struct spk_synth *synth); static struct miscdevice synth_device, synthu_device; static int init_pos; static int misc_registered; static struct var_t vars[] = { { CAPS_START, .u.s = {"\x01+3p" } }, { CAPS_STOP, .u.s = {"\x01-3p" } }, { PAUSE, .u.n = {"\x01P" } }, { RATE, .u.n = {"\x01%ds", 2, 0, 9, 0, 0, NULL } }, { PITCH, .u.n = {"\x01%dp", 5, 0, 9, 0, 0, NULL } }, { VOL, .u.n = {"\x01%dv", 5, 0, 9, 0, 0, NULL } }, { TONE, .u.n = {"\x01%dx", 1, 0, 2, 0, 0, NULL } }, { PUNCT, .u.n = {"\x01%db", 0, 0, 2, 0, 0, NULL } }, { VOICE, .u.n = {"\x01%do", 0, 0, 7, 0, 0, NULL } }, { FREQUENCY, .u.n = {"\x01%df", 5, 0, 9, 0, 0, NULL } }, { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } }, V_LAST_VAR }; /* These attributes will appear in /sys/accessibility/speakup/soft. */ static struct kobj_attribute caps_start_attribute = __ATTR(caps_start, 0644, spk_var_show, spk_var_store); static struct kobj_attribute caps_stop_attribute = __ATTR(caps_stop, 0644, spk_var_show, spk_var_store); static struct kobj_attribute freq_attribute = __ATTR(freq, 0644, spk_var_show, spk_var_store); static struct kobj_attribute pitch_attribute = __ATTR(pitch, 0644, spk_var_show, spk_var_store); static struct kobj_attribute punct_attribute = __ATTR(punct, 0644, spk_var_show, spk_var_store); static struct kobj_attribute rate_attribute = __ATTR(rate, 0644, spk_var_show, spk_var_store); static struct kobj_attribute tone_attribute = __ATTR(tone, 0644, spk_var_show, spk_var_store); static struct kobj_attribute voice_attribute = __ATTR(voice, 0644, spk_var_show, spk_var_store); static struct kobj_attribute vol_attribute = __ATTR(vol, 0644, spk_var_show, spk_var_store); /* * We should uncomment the following definition, when we agree on a * method of passing a language designation to the software synthesizer. * static struct kobj_attribute lang_attribute = * __ATTR(lang, 0644, spk_var_show, spk_var_store); */ static struct kobj_attribute delay_time_attribute = __ATTR(delay_time, 0644, spk_var_show, spk_var_store); static struct kobj_attribute direct_attribute = __ATTR(direct, 0644, spk_var_show, spk_var_store); static struct kobj_attribute full_time_attribute = __ATTR(full_time, 0644, spk_var_show, spk_var_store); static struct kobj_attribute jiffy_delta_attribute = __ATTR(jiffy_delta, 0644, spk_var_show, spk_var_store); static struct kobj_attribute trigger_time_attribute = __ATTR(trigger_time, 0644, spk_var_show, spk_var_store); /* * Create a group of attributes so that we can create and destroy them all * at once. */ static struct attribute *synth_attrs[] = { &caps_start_attribute.attr, &caps_stop_attribute.attr, &freq_attribute.attr, /* &lang_attribute.attr, */ &pitch_attribute.attr, &punct_attribute.attr, &rate_attribute.attr, &tone_attribute.attr, &voice_attribute.attr, &vol_attribute.attr, &delay_time_attribute.attr, &direct_attribute.attr, &full_time_attribute.attr, &jiffy_delta_attribute.attr, &trigger_time_attribute.attr, NULL, /* need to NULL terminate the list of attributes */ }; static struct spk_synth synth_soft = { .name = "soft", .version = DRV_VERSION, .long_name = "software synth", .init = "\01@\x01\x31y\n", .procspeech = PROCSPEECH, .delay = 0, .trigger = 0, .jiffies = 0, .full = 0, .startup = SYNTH_START, .checkval = SYNTH_CHECK, .vars = vars, .io_ops = NULL, .probe = softsynth_probe, .release = softsynth_release, .synth_immediate = NULL, .catch_up = NULL, .flush = NULL, .is_alive = softsynth_is_alive, .synth_adjust = NULL, .read_buff_add = NULL, .get_index = get_index, .indexing = { .command = "\x01%di", .lowindex = 1, .highindex = 5, .currindex = 1, }, .attributes = { .attrs = synth_attrs, .name = "soft", }, }; static char *get_initstring(void) { static char buf[40]; char *cp; struct var_t *var; memset(buf, 0, sizeof(buf)); cp = buf; var = synth_soft.vars; while (var->var_id != MAXVARS) { if (var->var_id != CAPS_START && var->var_id != CAPS_STOP && var->var_id != PAUSE && var->var_id != DIRECT) cp = cp + sprintf(cp, var->u.n.synth_fmt, var->u.n.value); var++; } cp = cp + sprintf(cp, "\n"); return buf; } static int softsynth_open(struct inode *inode, struct file *fp) { unsigned long flags; /*if ((fp->f_flags & O_ACCMODE) != O_RDONLY) */ /* return -EPERM; */ spin_lock_irqsave(&speakup_info.spinlock, flags); if (synth_soft.alive) { spin_unlock_irqrestore(&speakup_info.spinlock, flags); return -EBUSY; } synth_soft.alive = 1; spin_unlock_irqrestore(&speakup_info.spinlock, flags); return 0; } static int softsynth_close(struct inode *inode, struct file *fp) { unsigned long flags; spin_lock_irqsave(&speakup_info.spinlock, flags); synth_soft.alive = 0; init_pos = 0; spin_unlock_irqrestore(&speakup_info.spinlock, flags); /* Make sure we let applications go before leaving */ speakup_start_ttys(); return 0; } static ssize_t softsynthx_read(struct file *fp, char __user *buf, size_t count, loff_t *pos, int unicode) { int chars_sent = 0; char __user *cp; char *init; size_t bytes_per_ch = unicode ? 3 : 1; u16 ch; int empty; unsigned long flags; DEFINE_WAIT(wait); if (count < bytes_per_ch) return -EINVAL; spin_lock_irqsave(&speakup_info.spinlock, flags); while (1) { prepare_to_wait(&speakup_event, &wait, TASK_INTERRUPTIBLE); if (!unicode) synth_buffer_skip_nonlatin1(); if (!synth_buffer_empty() || speakup_info.flushing) break; spin_unlock_irqrestore(&speakup_info.spinlock, flags); if (fp->f_flags & O_NONBLOCK) { finish_wait(&speakup_event, &wait); return -EAGAIN; } if (signal_pending(current)) { finish_wait(&speakup_event, &wait); return -ERESTARTSYS; } schedule(); spin_lock_irqsave(&speakup_info.spinlock, flags); } finish_wait(&speakup_event, &wait); cp = buf; init = get_initstring(); /* Keep 3 bytes available for a 16bit UTF-8-encoded character */ while (chars_sent <= count - bytes_per_ch) { if (speakup_info.flushing) { speakup_info.flushing = 0; ch = '\x18'; } else if (init[init_pos]) { ch = init[init_pos++]; } else { if (!unicode) synth_buffer_skip_nonlatin1(); if (synth_buffer_empty()) break; ch = synth_buffer_getc(); } spin_unlock_irqrestore(&speakup_info.spinlock, flags); if ((!unicode && ch < 0x100) || (unicode && ch < 0x80)) { u_char c = ch; if (copy_to_user(cp, &c, 1)) return -EFAULT; chars_sent++; cp++; } else if (unicode && ch < 0x800) { u_char s[2] = { 0xc0 | (ch >> 6), 0x80 | (ch & 0x3f) }; if (copy_to_user(cp, s, sizeof(s))) return -EFAULT; chars_sent += sizeof(s); cp += sizeof(s); } else if (unicode) { u_char s[3] = { 0xe0 | (ch >> 12), 0x80 | ((ch >> 6) & 0x3f), 0x80 | (ch & 0x3f) }; if (copy_to_user(cp, s, sizeof(s))) return -EFAULT; chars_sent += sizeof(s); cp += sizeof(s); } spin_lock_irqsave(&speakup_info.spinlock, flags); } *pos += chars_sent; empty = synth_buffer_empty(); spin_unlock_irqrestore(&speakup_info.spinlock, flags); if (empty) { speakup_start_ttys(); *pos = 0; } return chars_sent; } static ssize_t softsynth_read(struct file *fp, char __user *buf, size_t count, loff_t *pos) { return softsynthx_read(fp, buf, count, pos, 0); } static ssize_t softsynthu_read(struct file *fp, char __user *buf, size_t count, loff_t *pos) { return softsynthx_read(fp, buf, count, pos, 1); } static int last_index; static ssize_t softsynth_write(struct file *fp, const char __user *buf, size_t count, loff_t *pos) { unsigned long supplied_index = 0; int converted; converted = kstrtoul_from_user(buf, count, 0, &supplied_index); if (converted < 0) return converted; last_index = supplied_index; return count; } static __poll_t softsynth_poll(struct file *fp, struct poll_table_struct *wait) { unsigned long flags; __poll_t ret = 0; poll_wait(fp, &speakup_event, wait); spin_lock_irqsave(&speakup_info.spinlock, flags); if (!synth_buffer_empty() || speakup_info.flushing) ret = EPOLLIN | EPOLLRDNORM; spin_unlock_irqrestore(&speakup_info.spinlock, flags); return ret; } static unsigned char get_index(struct spk_synth *synth) { int rv; rv = last_index; last_index = 0; return rv; } static const struct file_operations softsynth_fops = { .owner = THIS_MODULE, .poll = softsynth_poll, .read = softsynth_read, .write = softsynth_write, .open = softsynth_open, .release = softsynth_close, }; static const struct file_operations softsynthu_fops = { .owner = THIS_MODULE, .poll = softsynth_poll, .read = softsynthu_read, .write = softsynth_write, .open = softsynth_open, .release = softsynth_close, }; static int softsynth_probe(struct spk_synth *synth) { if (misc_registered != 0) return 0; memset(&synth_device, 0, sizeof(synth_device)); synth_device.minor = SOFTSYNTH_MINOR; synth_device.name = "softsynth"; synth_device.fops = &softsynth_fops; if (misc_register(&synth_device)) { pr_warn("Couldn't initialize miscdevice /dev/softsynth.\n"); return -ENODEV; } memset(&synthu_device, 0, sizeof(synthu_device)); synthu_device.minor = SOFTSYNTHU_MINOR; synthu_device.name = "softsynthu"; synthu_device.fops = &softsynthu_fops; if (misc_register(&synthu_device)) { pr_warn("Couldn't initialize miscdevice /dev/softsynth.\n"); return -ENODEV; } misc_registered = 1; pr_info("initialized device: /dev/softsynth, node (MAJOR 10, MINOR 26)\n"); pr_info("initialized device: /dev/softsynthu, node (MAJOR 10, MINOR 27)\n"); return 0; } static void softsynth_release(void) { misc_deregister(&synth_device); misc_deregister(&synthu_device); misc_registered = 0; pr_info("unregistered /dev/softsynth\n"); pr_info("unregistered /dev/softsynthu\n"); } static int softsynth_is_alive(struct spk_synth *synth) { if (synth_soft.alive) return 1; return 0; } module_param_named(start, synth_soft.startup, short, 0444); MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded."); module_spk_synth(synth_soft); MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>"); MODULE_DESCRIPTION("Speakup userspace software synthesizer support"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION);
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