/drivers/staging/speakup/speakup_spkout.c
https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t · C · 165 lines · 120 code · 14 blank · 31 comment · 2 complexity · b0afee090607f5c6e55928b623042762 MD5 · raw file
- /*
- * originally written by: Kirk Reiser <kirk@braille.uwo.ca>
- * this version considerably modified by David Borowski, david575@rogers.com
- *
- * Copyright (C) 1998-99 Kirk Reiser.
- * Copyright (C) 2003 David Borowski.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * specificly written as a driver for the speakup screenreview
- * s not a general device driver.
- */
- #include "spk_priv.h"
- #include "speakup.h"
- #include "serialio.h"
- #define DRV_VERSION "2.11"
- #define SYNTH_CLEAR 0x18
- #define PROCSPEECH '\r'
- static void synth_flush(struct spk_synth *synth);
- static struct var_t vars[] = {
- { CAPS_START, .u.s = {"\x05P+" } },
- { CAPS_STOP, .u.s = {"\x05P-" } },
- { RATE, .u.n = {"\x05R%d", 7, 0, 9, 0, 0, NULL } },
- { PITCH, .u.n = {"\x05P%d", 3, 0, 9, 0, 0, NULL } },
- { VOL, .u.n = {"\x05V%d", 9, 0, 9, 0, 0, NULL } },
- { TONE, .u.n = {"\x05T%c", 8, 0, 25, 65, 0, NULL } },
- { PUNCT, .u.n = {"\x05M%c", 0, 0, 3, 0, 0, "nsma" } },
- { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } },
- V_LAST_VAR
- };
- /*
- * These attributes will appear in /sys/accessibility/speakup/spkout.
- */
- static struct kobj_attribute caps_start_attribute =
- __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute caps_stop_attribute =
- __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute pitch_attribute =
- __ATTR(pitch, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute punct_attribute =
- __ATTR(punct, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute rate_attribute =
- __ATTR(rate, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute tone_attribute =
- __ATTR(tone, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute vol_attribute =
- __ATTR(vol, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute delay_time_attribute =
- __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store);
- static struct kobj_attribute direct_attribute =
- __ATTR(direct, USER_RW, spk_var_show, spk_var_store);
- static struct kobj_attribute full_time_attribute =
- __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store);
- static struct kobj_attribute jiffy_delta_attribute =
- __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store);
- static struct kobj_attribute trigger_time_attribute =
- __ATTR(trigger_time, ROOT_W, 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,
- &pitch_attribute.attr,
- &punct_attribute.attr,
- &rate_attribute.attr,
- &tone_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_spkout = {
- .name = "spkout",
- .version = DRV_VERSION,
- .long_name = "Speakout",
- .init = "\005W1\005I2\005C3",
- .procspeech = PROCSPEECH,
- .clear = SYNTH_CLEAR,
- .delay = 500,
- .trigger = 50,
- .jiffies = 50,
- .full = 40000,
- .startup = SYNTH_START,
- .checkval = SYNTH_CHECK,
- .vars = vars,
- .probe = serial_synth_probe,
- .release = spk_serial_release,
- .synth_immediate = spk_synth_immediate,
- .catch_up = spk_do_catch_up,
- .flush = synth_flush,
- .is_alive = spk_synth_is_alive_restart,
- .synth_adjust = NULL,
- .read_buff_add = NULL,
- .get_index = spk_serial_in_nowait,
- .indexing = {
- .command = "\x05[%c",
- .lowindex = 1,
- .highindex = 5,
- .currindex = 1,
- },
- .attributes = {
- .attrs = synth_attrs,
- .name = "spkout",
- },
- };
- static void synth_flush(struct spk_synth *synth)
- {
- int timeout = SPK_XMITR_TIMEOUT;
- while (spk_serial_tx_busy()) {
- if (!--timeout)
- break;
- udelay(1);
- }
- outb(SYNTH_CLEAR, speakup_info.port_tts);
- }
- module_param_named(ser, synth_spkout.ser, int, S_IRUGO);
- module_param_named(start, synth_spkout.startup, short, S_IRUGO);
- MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based).");
- MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded.");
- static int __init spkout_init(void)
- {
- return synth_add(&synth_spkout);
- }
- static void __exit spkout_exit(void)
- {
- synth_remove(&synth_spkout);
- }
- module_init(spkout_init);
- module_exit(spkout_exit);
- MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>");
- MODULE_AUTHOR("David Borowski");
- MODULE_DESCRIPTION("Speakup support for Speak Out synthesizers");
- MODULE_LICENSE("GPL");
- MODULE_VERSION(DRV_VERSION);