William Hubbs | c6e3fd2 | 2010-10-07 13:20:02 -0500 | [diff] [blame] | 1 | /* |
| 2 | * This is the DECtalk PC speakup driver |
| 3 | * |
| 4 | * Some constants from DEC's DOS driver: |
| 5 | * Copyright (c) by Digital Equipment Corp. |
| 6 | * |
| 7 | * 386BSD DECtalk PC driver: |
| 8 | * Copyright (c) 1996 Brian Buhrow <buhrow@lothlorien.nfbcal.org> |
| 9 | * |
| 10 | * Linux DECtalk PC driver: |
| 11 | * Copyright (c) 1997 Nicolas Pitre <nico@cam.org> |
| 12 | * |
| 13 | * speakup DECtalk PC Internal driver: |
| 14 | * Copyright (c) 2003 David Borowski <david575@golden.net> |
| 15 | * |
| 16 | * All rights reserved. |
| 17 | * |
| 18 | * This program is free software; you can redistribute it and/or modify |
| 19 | * it under the terms of the GNU General Public License as published by |
| 20 | * the Free Software Foundation; either version 2 of the License, or |
| 21 | * (at your option) any later version. |
| 22 | * |
| 23 | * This program is distributed in the hope that it will be useful, |
| 24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 26 | * GNU General Public License for more details. |
| 27 | * |
| 28 | * You should have received a copy of the GNU General Public License |
| 29 | * along with this program; if not, write to the Free Software |
| 30 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 31 | */ |
| 32 | #include <linux/jiffies.h> |
| 33 | #include <linux/sched.h> |
| 34 | #include <linux/timer.h> |
| 35 | #include <linux/kthread.h> |
| 36 | |
| 37 | #include "spk_priv.h" |
| 38 | #include "speakup.h" |
| 39 | |
| 40 | #define MODULE_init 0x0dec /* module in boot code */ |
| 41 | #define MODULE_self_test 0x8800 /* module in self-test */ |
| 42 | #define MODULE_reset 0xffff /* reinit the whole module */ |
| 43 | |
| 44 | #define MODE_mask 0xf000 /* mode bits in high nibble */ |
| 45 | #define MODE_null 0x0000 |
| 46 | #define MODE_test 0x2000 /* in testing mode */ |
| 47 | #define MODE_status 0x8000 |
| 48 | #define STAT_int 0x0001 /* running in interrupt mode */ |
| 49 | #define STAT_tr_char 0x0002 /* character data to transmit */ |
| 50 | #define STAT_rr_char 0x0004 /* ready to receive char data */ |
| 51 | #define STAT_cmd_ready 0x0008 /* ready to accept commands */ |
| 52 | #define STAT_dma_ready 0x0010 /* dma command ready */ |
| 53 | #define STAT_digitized 0x0020 /* spc in digitized mode */ |
| 54 | #define STAT_new_index 0x0040 /* new last index ready */ |
| 55 | #define STAT_new_status 0x0080 /* new status posted */ |
| 56 | #define STAT_dma_state 0x0100 /* dma state toggle */ |
| 57 | #define STAT_index_valid 0x0200 /* indexs are valid */ |
| 58 | #define STAT_flushing 0x0400 /* flush in progress */ |
| 59 | #define STAT_self_test 0x0800 /* module in self test */ |
| 60 | #define MODE_ready 0xc000 /* module ready for next phase */ |
| 61 | #define READY_boot 0x0000 |
| 62 | #define READY_kernel 0x0001 |
| 63 | #define MODE_error 0xf000 |
| 64 | |
| 65 | #define CMD_mask 0xf000 /* mask for command nibble */ |
| 66 | #define CMD_null 0x0000 /* post status */ |
| 67 | #define CMD_control 0x1000 /* hard control command */ |
| 68 | #define CTRL_mask 0x0F00 /* mask off control nibble */ |
| 69 | #define CTRL_data 0x00FF /* madk to get data byte */ |
| 70 | #define CTRL_null 0x0000 /* null control */ |
| 71 | #define CTRL_vol_up 0x0100 /* increase volume */ |
| 72 | #define CTRL_vol_down 0x0200 /* decrease volume */ |
| 73 | #define CTRL_vol_set 0x0300 /* set volume */ |
| 74 | #define CTRL_pause 0x0400 /* pause spc */ |
| 75 | #define CTRL_resume 0x0500 /* resume spc clock */ |
| 76 | #define CTRL_resume_spc 0x0001 /* resume spc soft pause */ |
| 77 | #define CTRL_flush 0x0600 /* flush all buffers */ |
| 78 | #define CTRL_int_enable 0x0700 /* enable status change ints */ |
| 79 | #define CTRL_buff_free 0x0800 /* buffer remain count */ |
| 80 | #define CTRL_buff_used 0x0900 /* buffer in use */ |
| 81 | #define CTRL_speech 0x0a00 /* immediate speech change */ |
| 82 | #define CTRL_SP_voice 0x0001 /* voice change */ |
| 83 | #define CTRL_SP_rate 0x0002 /* rate change */ |
| 84 | #define CTRL_SP_comma 0x0003 /* comma pause change */ |
| 85 | #define CTRL_SP_period 0x0004 /* period pause change */ |
| 86 | #define CTRL_SP_rate_delta 0x0005 /* delta rate change */ |
| 87 | #define CTRL_SP_get_param 0x0006 /* return the desired parameter */ |
| 88 | #define CTRL_last_index 0x0b00 /* get last index spoken */ |
| 89 | #define CTRL_io_priority 0x0c00 /* change i/o priority */ |
| 90 | #define CTRL_free_mem 0x0d00 /* get free paragraphs on module */ |
| 91 | #define CTRL_get_lang 0x0e00 /* return bit mask of loaded |
| 92 | * languages */ |
| 93 | #define CMD_test 0x2000 /* self-test request */ |
| 94 | #define TEST_mask 0x0F00 /* isolate test field */ |
| 95 | #define TEST_null 0x0000 /* no test requested */ |
| 96 | #define TEST_isa_int 0x0100 /* assert isa irq */ |
| 97 | #define TEST_echo 0x0200 /* make data in == data out */ |
| 98 | #define TEST_seg 0x0300 /* set peek/poke segment */ |
| 99 | #define TEST_off 0x0400 /* set peek/poke offset */ |
| 100 | #define TEST_peek 0x0500 /* data out == *peek */ |
| 101 | #define TEST_poke 0x0600 /* *peek == data in */ |
| 102 | #define TEST_sub_code 0x00FF /* user defined test sub codes */ |
| 103 | #define CMD_id 0x3000 /* return software id */ |
| 104 | #define ID_null 0x0000 /* null id */ |
| 105 | #define ID_kernel 0x0100 /* kernel code executing */ |
| 106 | #define ID_boot 0x0200 /* boot code executing */ |
| 107 | #define CMD_dma 0x4000 /* force a dma start */ |
| 108 | #define CMD_reset 0x5000 /* reset module status */ |
| 109 | #define CMD_sync 0x6000 /* kernel sync command */ |
| 110 | #define CMD_char_in 0x7000 /* single character send */ |
| 111 | #define CMD_char_out 0x8000 /* single character get */ |
| 112 | #define CHAR_count_1 0x0100 /* one char in cmd_low */ |
| 113 | #define CHAR_count_2 0x0200 /* the second in data_low */ |
| 114 | #define CHAR_count_3 0x0300 /* the third in data_high */ |
| 115 | #define CMD_spc_mode 0x9000 /* change spc mode */ |
| 116 | #define CMD_spc_to_text 0x0100 /* set to text mode */ |
| 117 | #define CMD_spc_to_digit 0x0200 /* set to digital mode */ |
| 118 | #define CMD_spc_rate 0x0400 /* change spc data rate */ |
| 119 | #define CMD_error 0xf000 /* severe error */ |
| 120 | |
| 121 | enum { PRIMARY_DIC = 0, USER_DIC, COMMAND_DIC, ABBREV_DIC }; |
| 122 | |
| 123 | #define DMA_single_in 0x01 |
| 124 | #define DMA_single_out 0x02 |
| 125 | #define DMA_buff_in 0x03 |
| 126 | #define DMA_buff_out 0x04 |
| 127 | #define DMA_control 0x05 |
| 128 | #define DT_MEM_ALLOC 0x03 |
| 129 | #define DT_SET_DIC 0x04 |
| 130 | #define DT_START_TASK 0x05 |
| 131 | #define DT_LOAD_MEM 0x06 |
| 132 | #define DT_READ_MEM 0x07 |
| 133 | #define DT_DIGITAL_IN 0x08 |
| 134 | #define DMA_sync 0x06 |
| 135 | #define DMA_sync_char 0x07 |
| 136 | |
| 137 | #define DRV_VERSION "2.12" |
| 138 | #define PROCSPEECH 0x0b |
| 139 | #define SYNTH_IO_EXTENT 8 |
| 140 | |
| 141 | static int synth_probe(struct spk_synth *synth); |
| 142 | static void dtpc_release(void); |
| 143 | static const char *synth_immediate(struct spk_synth *synth, const char *buf); |
| 144 | static void do_catch_up(struct spk_synth *synth); |
| 145 | static void synth_flush(struct spk_synth *synth); |
| 146 | |
| 147 | static int synth_portlist[] = { 0x340, 0x350, 0x240, 0x250, 0 }; |
| 148 | static int in_escape, is_flushing; |
| 149 | static int dt_stat, dma_state; |
| 150 | |
| 151 | static struct var_t vars[] = { |
Christopher Brannon | 227e18d | 2010-10-14 19:23:52 -0500 | [diff] [blame] | 152 | { CAPS_START, .u.s = {"[:dv ap 200]" } }, |
| 153 | { CAPS_STOP, .u.s = {"[:dv ap 100]" } }, |
| 154 | { RATE, .u.n = {"[:ra %d]", 9, 0, 18, 150, 25, NULL } }, |
| 155 | { PITCH, .u.n = {"[:dv ap %d]", 80, 0, 100, 20, 0, NULL } }, |
| 156 | { VOL, .u.n = {"[:vo se %d]", 5, 0, 9, 5, 10, NULL } }, |
| 157 | { PUNCT, .u.n = {"[:pu %c]", 0, 0, 2, 0, 0, "nsa" } }, |
| 158 | { VOICE, .u.n = {"[:n%c]", 0, 0, 9, 0, 0, "phfdburwkv" } }, |
| 159 | { DIRECT, .u.n = {NULL, 0, 0, 1, 0, 0, NULL } }, |
William Hubbs | c6e3fd2 | 2010-10-07 13:20:02 -0500 | [diff] [blame] | 160 | V_LAST_VAR |
| 161 | }; |
| 162 | |
| 163 | /* |
| 164 | * These attributes will appear in /sys/accessibility/speakup/decpc. |
| 165 | */ |
| 166 | static struct kobj_attribute caps_start_attribute = |
| 167 | __ATTR(caps_start, USER_RW, spk_var_show, spk_var_store); |
| 168 | static struct kobj_attribute caps_stop_attribute = |
| 169 | __ATTR(caps_stop, USER_RW, spk_var_show, spk_var_store); |
| 170 | static struct kobj_attribute pitch_attribute = |
| 171 | __ATTR(pitch, USER_RW, spk_var_show, spk_var_store); |
| 172 | static struct kobj_attribute punct_attribute = |
| 173 | __ATTR(punct, USER_RW, spk_var_show, spk_var_store); |
| 174 | static struct kobj_attribute rate_attribute = |
| 175 | __ATTR(rate, USER_RW, spk_var_show, spk_var_store); |
| 176 | static struct kobj_attribute voice_attribute = |
| 177 | __ATTR(voice, USER_RW, spk_var_show, spk_var_store); |
| 178 | static struct kobj_attribute vol_attribute = |
| 179 | __ATTR(vol, USER_RW, spk_var_show, spk_var_store); |
| 180 | |
| 181 | static struct kobj_attribute delay_time_attribute = |
| 182 | __ATTR(delay_time, ROOT_W, spk_var_show, spk_var_store); |
| 183 | static struct kobj_attribute direct_attribute = |
| 184 | __ATTR(direct, USER_RW, spk_var_show, spk_var_store); |
| 185 | static struct kobj_attribute full_time_attribute = |
| 186 | __ATTR(full_time, ROOT_W, spk_var_show, spk_var_store); |
| 187 | static struct kobj_attribute jiffy_delta_attribute = |
| 188 | __ATTR(jiffy_delta, ROOT_W, spk_var_show, spk_var_store); |
| 189 | static struct kobj_attribute trigger_time_attribute = |
| 190 | __ATTR(trigger_time, ROOT_W, spk_var_show, spk_var_store); |
| 191 | |
| 192 | /* |
| 193 | * Create a group of attributes so that we can create and destroy them all |
| 194 | * at once. |
| 195 | */ |
| 196 | static struct attribute *synth_attrs[] = { |
| 197 | &caps_start_attribute.attr, |
| 198 | &caps_stop_attribute.attr, |
| 199 | &pitch_attribute.attr, |
| 200 | &punct_attribute.attr, |
| 201 | &rate_attribute.attr, |
| 202 | &voice_attribute.attr, |
| 203 | &vol_attribute.attr, |
| 204 | &delay_time_attribute.attr, |
| 205 | &direct_attribute.attr, |
| 206 | &full_time_attribute.attr, |
| 207 | &jiffy_delta_attribute.attr, |
| 208 | &trigger_time_attribute.attr, |
| 209 | NULL, /* need to NULL terminate the list of attributes */ |
| 210 | }; |
| 211 | |
| 212 | static struct spk_synth synth_dec_pc = { |
| 213 | .name = "decpc", |
| 214 | .version = DRV_VERSION, |
| 215 | .long_name = "Dectalk PC", |
| 216 | .init = "[:pe -380]", |
| 217 | .procspeech = PROCSPEECH, |
| 218 | .delay = 500, |
| 219 | .trigger = 50, |
| 220 | .jiffies = 50, |
| 221 | .full = 1000, |
| 222 | .flags = SF_DEC, |
| 223 | .startup = SYNTH_START, |
| 224 | .checkval = SYNTH_CHECK, |
| 225 | .vars = vars, |
| 226 | .probe = synth_probe, |
| 227 | .release = dtpc_release, |
| 228 | .synth_immediate = synth_immediate, |
| 229 | .catch_up = do_catch_up, |
| 230 | .flush = synth_flush, |
| 231 | .is_alive = spk_synth_is_alive_nop, |
| 232 | .synth_adjust = NULL, |
| 233 | .read_buff_add = NULL, |
| 234 | .get_index = NULL, |
| 235 | .indexing = { |
| 236 | .command = NULL, |
| 237 | .lowindex = 0, |
| 238 | .highindex = 0, |
| 239 | .currindex = 0, |
| 240 | }, |
| 241 | .attributes = { |
| 242 | .attrs = synth_attrs, |
| 243 | .name = "decpc", |
| 244 | }, |
| 245 | }; |
| 246 | |
| 247 | static int dt_getstatus(void) |
| 248 | { |
| 249 | dt_stat = inb_p(speakup_info.port_tts) | |
| 250 | (inb_p(speakup_info.port_tts + 1) << 8); |
| 251 | return dt_stat; |
| 252 | } |
| 253 | |
| 254 | static void dt_sendcmd(u_int cmd) |
| 255 | { |
| 256 | outb_p(cmd & 0xFF, speakup_info.port_tts); |
| 257 | outb_p((cmd >> 8) & 0xFF, speakup_info.port_tts+1); |
| 258 | } |
| 259 | |
| 260 | static int dt_waitbit(int bit) |
| 261 | { |
| 262 | int timeout = 100; |
| 263 | while (--timeout > 0) { |
| 264 | if ((dt_getstatus() & bit) == bit) |
| 265 | return 1; |
| 266 | udelay(50); |
| 267 | } |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | static int dt_wait_dma(void) |
| 272 | { |
| 273 | int timeout = 100, state = dma_state; |
| 274 | if (!dt_waitbit(STAT_dma_ready)) |
| 275 | return 0; |
| 276 | while (--timeout > 0) { |
| 277 | if ((dt_getstatus()&STAT_dma_state) == state) |
| 278 | return 1; |
| 279 | udelay(50); |
| 280 | } |
| 281 | dma_state = dt_getstatus() & STAT_dma_state; |
| 282 | return 1; |
| 283 | } |
| 284 | |
| 285 | static int dt_ctrl(u_int cmd) |
| 286 | { |
| 287 | int timeout = 10; |
| 288 | if (!dt_waitbit(STAT_cmd_ready)) |
| 289 | return -1; |
| 290 | outb_p(0, speakup_info.port_tts+2); |
| 291 | outb_p(0, speakup_info.port_tts+3); |
| 292 | dt_getstatus(); |
| 293 | dt_sendcmd(CMD_control|cmd); |
| 294 | outb_p(0, speakup_info.port_tts+6); |
| 295 | while (dt_getstatus() & STAT_cmd_ready) { |
| 296 | udelay(20); |
| 297 | if (--timeout == 0) |
| 298 | break; |
| 299 | } |
| 300 | dt_sendcmd(CMD_null); |
| 301 | return 0; |
| 302 | } |
| 303 | |
| 304 | static void synth_flush(struct spk_synth *synth) |
| 305 | { |
| 306 | int timeout = 10; |
| 307 | if (is_flushing) |
| 308 | return; |
| 309 | is_flushing = 4; |
| 310 | in_escape = 0; |
| 311 | while (dt_ctrl(CTRL_flush)) { |
| 312 | if (--timeout == 0) |
| 313 | break; |
| 314 | udelay(50); |
| 315 | } |
| 316 | for (timeout = 0; timeout < 10; timeout++) { |
| 317 | if (dt_waitbit(STAT_dma_ready)) |
| 318 | break; |
| 319 | udelay(50); |
| 320 | } |
| 321 | outb_p(DMA_sync, speakup_info.port_tts+4); |
| 322 | outb_p(0, speakup_info.port_tts+4); |
| 323 | udelay(100); |
| 324 | for (timeout = 0; timeout < 10; timeout++) { |
| 325 | if (!(dt_getstatus() & STAT_flushing)) |
| 326 | break; |
| 327 | udelay(50); |
| 328 | } |
| 329 | dma_state = dt_getstatus() & STAT_dma_state; |
| 330 | dma_state ^= STAT_dma_state; |
| 331 | is_flushing = 0; |
| 332 | } |
| 333 | |
| 334 | static int dt_sendchar(char ch) |
| 335 | { |
| 336 | if (!dt_wait_dma()) |
| 337 | return -1; |
| 338 | if (!(dt_stat & STAT_rr_char)) |
| 339 | return -2; |
| 340 | outb_p(DMA_single_in, speakup_info.port_tts+4); |
| 341 | outb_p(ch, speakup_info.port_tts+4); |
| 342 | dma_state ^= STAT_dma_state; |
| 343 | return 0; |
| 344 | } |
| 345 | |
| 346 | static int testkernel(void) |
| 347 | { |
| 348 | int status = 0; |
| 349 | if (dt_getstatus() == 0xffff) { |
| 350 | status = -1; |
| 351 | goto oops; |
| 352 | } |
| 353 | dt_sendcmd(CMD_sync); |
| 354 | if (!dt_waitbit(STAT_cmd_ready)) |
| 355 | status = -2; |
| 356 | else if (dt_stat&0x8000) |
| 357 | return 0; |
| 358 | else if (dt_stat == 0x0dec) |
| 359 | pr_warn("dec_pc at 0x%x, software not loaded\n", |
| 360 | speakup_info.port_tts); |
| 361 | status = -3; |
| 362 | oops: synth_release_region(speakup_info.port_tts, SYNTH_IO_EXTENT); |
| 363 | speakup_info.port_tts = 0; |
| 364 | return status; |
| 365 | } |
| 366 | |
| 367 | static void do_catch_up(struct spk_synth *synth) |
| 368 | { |
| 369 | u_char ch; |
Christopher Brannon | 227e18d | 2010-10-14 19:23:52 -0500 | [diff] [blame] | 370 | static u_char last; |
William Hubbs | c6e3fd2 | 2010-10-07 13:20:02 -0500 | [diff] [blame] | 371 | unsigned long flags; |
| 372 | unsigned long jiff_max; |
| 373 | struct var_t *jiffy_delta; |
| 374 | struct var_t *delay_time; |
| 375 | int jiffy_delta_val; |
| 376 | int delay_time_val; |
| 377 | |
| 378 | jiffy_delta = get_var(JIFFY); |
| 379 | delay_time = get_var(DELAY); |
| 380 | spk_lock(flags); |
| 381 | jiffy_delta_val = jiffy_delta->u.n.value; |
| 382 | spk_unlock(flags); |
| 383 | jiff_max = jiffies + jiffy_delta_val; |
| 384 | |
| 385 | while (!kthread_should_stop()) { |
| 386 | spk_lock(flags); |
| 387 | if (speakup_info.flushing) { |
| 388 | speakup_info.flushing = 0; |
| 389 | spk_unlock(flags); |
| 390 | synth->flush(synth); |
| 391 | continue; |
| 392 | } |
| 393 | if (synth_buffer_empty()) { |
| 394 | spk_unlock(flags); |
| 395 | break; |
| 396 | } |
| 397 | ch = synth_buffer_peek(); |
| 398 | set_current_state(TASK_INTERRUPTIBLE); |
| 399 | delay_time_val = delay_time->u.n.value; |
| 400 | spk_unlock(flags); |
| 401 | if (ch == '\n') |
| 402 | ch = 0x0D; |
| 403 | if (dt_sendchar(ch)) { |
| 404 | schedule_timeout(msecs_to_jiffies(delay_time_val)); |
| 405 | continue; |
| 406 | } |
| 407 | set_current_state(TASK_RUNNING); |
| 408 | spk_lock(flags); |
| 409 | synth_buffer_getc(); |
| 410 | spk_unlock(flags); |
| 411 | if (ch == '[') |
| 412 | in_escape = 1; |
| 413 | else if (ch == ']') |
| 414 | in_escape = 0; |
| 415 | else if (ch <= SPACE) { |
| 416 | if (!in_escape && strchr(",.!?;:", last)) |
| 417 | dt_sendchar(PROCSPEECH); |
| 418 | if (jiffies >= jiff_max) { |
| 419 | if (!in_escape) |
| 420 | dt_sendchar(PROCSPEECH); |
| 421 | spk_lock(flags); |
| 422 | jiffy_delta_val = jiffy_delta->u.n.value; |
| 423 | delay_time_val = delay_time->u.n.value; |
| 424 | spk_unlock(flags); |
Christopher Brannon | 227e18d | 2010-10-14 19:23:52 -0500 | [diff] [blame] | 425 | schedule_timeout(msecs_to_jiffies |
| 426 | (delay_time_val)); |
William Hubbs | c6e3fd2 | 2010-10-07 13:20:02 -0500 | [diff] [blame] | 427 | jiff_max = jiffies + jiffy_delta_val; |
| 428 | } |
| 429 | } |
| 430 | last = ch; |
| 431 | ch = 0; |
| 432 | } |
| 433 | if (!in_escape) |
| 434 | dt_sendchar(PROCSPEECH); |
| 435 | } |
| 436 | |
| 437 | static const char *synth_immediate(struct spk_synth *synth, const char *buf) |
| 438 | { |
| 439 | u_char ch; |
| 440 | while ((ch = *buf)) { |
| 441 | if (ch == '\n') |
| 442 | ch = PROCSPEECH; |
| 443 | if (dt_sendchar(ch)) |
| 444 | return buf; |
| 445 | buf++; |
| 446 | } |
| 447 | return 0; |
| 448 | } |
| 449 | |
| 450 | static int synth_probe(struct spk_synth *synth) |
| 451 | { |
| 452 | int i = 0, failed = 0; |
| 453 | pr_info("Probing for %s.\n", synth->long_name); |
| 454 | for (i = 0; synth_portlist[i]; i++) { |
| 455 | if (synth_request_region(synth_portlist[i], SYNTH_IO_EXTENT)) { |
| 456 | pr_warn("request_region: failed with 0x%x, %d\n", |
| 457 | synth_portlist[i], SYNTH_IO_EXTENT); |
| 458 | continue; |
| 459 | } |
| 460 | speakup_info.port_tts = synth_portlist[i]; |
| 461 | failed = testkernel(); |
| 462 | if (failed == 0) |
| 463 | break; |
| 464 | } |
| 465 | if (failed) { |
| 466 | pr_info("%s: not found\n", synth->long_name); |
| 467 | return -ENODEV; |
| 468 | } |
| 469 | pr_info("%s: %03x-%03x, Driver Version %s,\n", synth->long_name, |
| 470 | speakup_info.port_tts, speakup_info.port_tts + 7, |
| 471 | synth->version); |
| 472 | synth->alive = 1; |
| 473 | return 0; |
| 474 | } |
| 475 | |
| 476 | static void dtpc_release(void) |
| 477 | { |
| 478 | if (speakup_info.port_tts) |
| 479 | synth_release_region(speakup_info.port_tts, SYNTH_IO_EXTENT); |
| 480 | speakup_info.port_tts = 0; |
| 481 | } |
| 482 | |
| 483 | module_param_named(start, synth_dec_pc.startup, short, S_IRUGO); |
| 484 | |
| 485 | MODULE_PARM_DESC(start, "Start the synthesizer once it is loaded."); |
| 486 | |
| 487 | static int __init decpc_init(void) |
| 488 | { |
| 489 | return synth_add(&synth_dec_pc); |
| 490 | } |
| 491 | |
| 492 | static void __exit decpc_exit(void) |
| 493 | { |
| 494 | synth_remove(&synth_dec_pc); |
| 495 | } |
| 496 | |
| 497 | module_init(decpc_init); |
| 498 | module_exit(decpc_exit); |
| 499 | MODULE_AUTHOR("Kirk Reiser <kirk@braille.uwo.ca>"); |
| 500 | MODULE_AUTHOR("David Borowski"); |
| 501 | MODULE_DESCRIPTION("Speakup support for DECtalk PC synthesizers"); |
| 502 | MODULE_LICENSE("GPL"); |
| 503 | MODULE_VERSION(DRV_VERSION); |
| 504 | |