Matthias Koenig | 68ab801 | 2006-07-27 16:59:23 +0200 | [diff] [blame] | 1 | /* |
| 2 | * ALSA Driver for Ego Systems Inc. (ESI) Miditerminal 4140 |
| 3 | * Copyright (c) 2006 by Matthias König <mk@phasorlab.de> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #include <sound/driver.h> |
| 22 | #include <linux/init.h> |
| 23 | #include <linux/platform_device.h> |
| 24 | #include <linux/parport.h> |
| 25 | #include <linux/spinlock.h> |
| 26 | #include <linux/delay.h> |
| 27 | #include <sound/core.h> |
| 28 | #include <sound/initval.h> |
| 29 | #include <sound/rawmidi.h> |
| 30 | #include <sound/control.h> |
| 31 | |
| 32 | #define CARD_NAME "Miditerminal 4140" |
| 33 | #define DRIVER_NAME "MTS64" |
| 34 | #define PLATFORM_DRIVER "snd_mts64" |
| 35 | |
| 36 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; |
| 37 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; |
| 38 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
| 39 | |
| 40 | static struct platform_device *platform_devices[SNDRV_CARDS]; |
| 41 | static int device_count; |
| 42 | |
| 43 | module_param_array(index, int, NULL, S_IRUGO); |
| 44 | MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard."); |
| 45 | module_param_array(id, charp, NULL, S_IRUGO); |
| 46 | MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard."); |
| 47 | module_param_array(enable, bool, NULL, S_IRUGO); |
| 48 | MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard."); |
| 49 | |
| 50 | MODULE_AUTHOR("Matthias Koenig <mk@phasorlab.de>"); |
| 51 | MODULE_DESCRIPTION("ESI Miditerminal 4140"); |
| 52 | MODULE_LICENSE("GPL"); |
| 53 | MODULE_SUPPORTED_DEVICE("{{ESI,Miditerminal 4140}}"); |
| 54 | |
| 55 | /********************************************************************* |
| 56 | * Chip specific |
| 57 | *********************************************************************/ |
| 58 | #define MTS64_NUM_INPUT_PORTS 5 |
| 59 | #define MTS64_NUM_OUTPUT_PORTS 4 |
| 60 | #define MTS64_SMPTE_SUBSTREAM 4 |
| 61 | |
| 62 | struct mts64 { |
| 63 | spinlock_t lock; |
| 64 | struct snd_card *card; |
| 65 | struct snd_rawmidi *rmidi; |
| 66 | struct pardevice *pardev; |
| 67 | int pardev_claimed; |
| 68 | |
| 69 | int open_count; |
| 70 | int current_midi_output_port; |
| 71 | int current_midi_input_port; |
| 72 | u8 mode[MTS64_NUM_INPUT_PORTS]; |
| 73 | struct snd_rawmidi_substream *midi_input_substream[MTS64_NUM_INPUT_PORTS]; |
| 74 | int smpte_switch; |
| 75 | u8 time[4]; /* [0]=hh, [1]=mm, [2]=ss, [3]=ff */ |
| 76 | u8 fps; |
| 77 | }; |
| 78 | |
| 79 | static int snd_mts64_free(struct mts64 *mts) |
| 80 | { |
| 81 | kfree(mts); |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | static int __devinit snd_mts64_create(struct snd_card *card, |
| 86 | struct pardevice *pardev, |
| 87 | struct mts64 **rchip) |
| 88 | { |
| 89 | struct mts64 *mts; |
| 90 | |
| 91 | *rchip = NULL; |
| 92 | |
| 93 | mts = kzalloc(sizeof(struct mts64), GFP_KERNEL); |
| 94 | if (mts == NULL) |
| 95 | return -ENOMEM; |
| 96 | |
| 97 | /* Init chip specific data */ |
| 98 | spin_lock_init(&mts->lock); |
| 99 | mts->card = card; |
| 100 | mts->pardev = pardev; |
| 101 | mts->current_midi_output_port = -1; |
| 102 | mts->current_midi_input_port = -1; |
| 103 | |
| 104 | *rchip = mts; |
| 105 | |
| 106 | return 0; |
| 107 | } |
| 108 | |
| 109 | /********************************************************************* |
| 110 | * HW register related constants |
| 111 | *********************************************************************/ |
| 112 | |
| 113 | /* Status Bits */ |
| 114 | #define MTS64_STAT_BSY 0x80 |
| 115 | #define MTS64_STAT_BIT_SET 0x20 /* readout process, bit is set */ |
| 116 | #define MTS64_STAT_PORT 0x10 /* read byte is a port number */ |
| 117 | |
| 118 | /* Control Bits */ |
| 119 | #define MTS64_CTL_READOUT 0x08 /* enable readout */ |
| 120 | #define MTS64_CTL_WRITE_CMD 0x06 |
| 121 | #define MTS64_CTL_WRITE_DATA 0x02 |
| 122 | #define MTS64_CTL_STROBE 0x01 |
| 123 | |
| 124 | /* Command */ |
| 125 | #define MTS64_CMD_RESET 0xfe |
| 126 | #define MTS64_CMD_PROBE 0x8f /* Used in probing procedure */ |
| 127 | #define MTS64_CMD_SMPTE_SET_TIME 0xe8 |
| 128 | #define MTS64_CMD_SMPTE_SET_FPS 0xee |
| 129 | #define MTS64_CMD_SMPTE_STOP 0xef |
| 130 | #define MTS64_CMD_SMPTE_FPS_24 0xe3 |
| 131 | #define MTS64_CMD_SMPTE_FPS_25 0xe2 |
| 132 | #define MTS64_CMD_SMPTE_FPS_2997 0xe4 |
| 133 | #define MTS64_CMD_SMPTE_FPS_30D 0xe1 |
| 134 | #define MTS64_CMD_SMPTE_FPS_30 0xe0 |
| 135 | #define MTS64_CMD_COM_OPEN 0xf8 /* setting the communication mode */ |
| 136 | #define MTS64_CMD_COM_CLOSE1 0xff /* clearing communication mode */ |
| 137 | #define MTS64_CMD_COM_CLOSE2 0xf5 |
| 138 | |
| 139 | /********************************************************************* |
| 140 | * Hardware specific functions |
| 141 | *********************************************************************/ |
| 142 | static void mts64_enable_readout(struct parport *p); |
| 143 | static void mts64_disable_readout(struct parport *p); |
| 144 | static int mts64_device_ready(struct parport *p); |
| 145 | static int mts64_device_init(struct parport *p); |
| 146 | static int mts64_device_open(struct mts64 *mts); |
| 147 | static int mts64_device_close(struct mts64 *mts); |
| 148 | static u8 mts64_map_midi_input(u8 c); |
| 149 | static int mts64_probe(struct parport *p); |
| 150 | static u16 mts64_read(struct parport *p); |
| 151 | static u8 mts64_read_char(struct parport *p); |
| 152 | static void mts64_smpte_start(struct parport *p, |
| 153 | u8 hours, u8 minutes, |
| 154 | u8 seconds, u8 frames, |
| 155 | u8 idx); |
| 156 | static void mts64_smpte_stop(struct parport *p); |
| 157 | static void mts64_write_command(struct parport *p, u8 c); |
| 158 | static void mts64_write_data(struct parport *p, u8 c); |
| 159 | static void mts64_write_midi(struct mts64 *mts, u8 c, int midiport); |
| 160 | |
| 161 | |
| 162 | /* Enables the readout procedure |
| 163 | * |
| 164 | * Before we can read a midi byte from the device, we have to set |
| 165 | * bit 3 of control port. |
| 166 | */ |
| 167 | static void mts64_enable_readout(struct parport *p) |
| 168 | { |
| 169 | u8 c; |
| 170 | |
| 171 | c = parport_read_control(p); |
| 172 | c |= MTS64_CTL_READOUT; |
| 173 | parport_write_control(p, c); |
| 174 | } |
| 175 | |
| 176 | /* Disables readout |
| 177 | * |
| 178 | * Readout is disabled by clearing bit 3 of control |
| 179 | */ |
| 180 | static void mts64_disable_readout(struct parport *p) |
| 181 | { |
| 182 | u8 c; |
| 183 | |
| 184 | c = parport_read_control(p); |
| 185 | c &= ~MTS64_CTL_READOUT; |
| 186 | parport_write_control(p, c); |
| 187 | } |
| 188 | |
| 189 | /* waits for device ready |
| 190 | * |
| 191 | * Checks if BUSY (Bit 7 of status) is clear |
| 192 | * 1 device ready |
| 193 | * 0 failure |
| 194 | */ |
| 195 | static int mts64_device_ready(struct parport *p) |
| 196 | { |
| 197 | int i; |
| 198 | u8 c; |
| 199 | |
| 200 | for (i = 0; i < 0xffff; ++i) { |
| 201 | c = parport_read_status(p); |
| 202 | c &= MTS64_STAT_BSY; |
| 203 | if (c != 0) |
| 204 | return 1; |
| 205 | } |
| 206 | |
| 207 | return 0; |
| 208 | } |
| 209 | |
| 210 | /* Init device (LED blinking startup magic) |
| 211 | * |
| 212 | * Returns: |
| 213 | * 0 init ok |
| 214 | * -EIO failure |
| 215 | */ |
| 216 | static int __devinit mts64_device_init(struct parport *p) |
| 217 | { |
| 218 | int i; |
| 219 | |
| 220 | mts64_write_command(p, MTS64_CMD_RESET); |
| 221 | |
| 222 | for (i = 0; i < 64; ++i) { |
| 223 | msleep(100); |
| 224 | |
| 225 | if (mts64_probe(p) == 0) { |
| 226 | /* success */ |
| 227 | mts64_disable_readout(p); |
| 228 | return 0; |
| 229 | } |
| 230 | } |
| 231 | mts64_disable_readout(p); |
| 232 | |
| 233 | return -EIO; |
| 234 | } |
| 235 | |
| 236 | /* |
| 237 | * Opens the device (set communication mode) |
| 238 | */ |
| 239 | static int mts64_device_open(struct mts64 *mts) |
| 240 | { |
| 241 | int i; |
| 242 | struct parport *p = mts->pardev->port; |
| 243 | |
| 244 | for (i = 0; i < 5; ++i) |
| 245 | mts64_write_command(p, MTS64_CMD_COM_OPEN); |
| 246 | |
| 247 | return 0; |
| 248 | } |
| 249 | |
| 250 | /* |
| 251 | * Close device (clear communication mode) |
| 252 | */ |
| 253 | static int mts64_device_close(struct mts64 *mts) |
| 254 | { |
| 255 | int i; |
| 256 | struct parport *p = mts->pardev->port; |
| 257 | |
| 258 | for (i = 0; i < 5; ++i) { |
| 259 | mts64_write_command(p, MTS64_CMD_COM_CLOSE1); |
| 260 | mts64_write_command(p, MTS64_CMD_COM_CLOSE2); |
| 261 | } |
| 262 | |
| 263 | return 0; |
| 264 | } |
| 265 | |
| 266 | /* map hardware port to substream number |
| 267 | * |
| 268 | * When reading a byte from the device, the device tells us |
| 269 | * on what port the byte is. This HW port has to be mapped to |
| 270 | * the midiport (substream number). |
| 271 | * substream 0-3 are Midiports 1-4 |
| 272 | * substream 4 is SMPTE Timecode |
| 273 | * The mapping is done by the table: |
| 274 | * HW | 0 | 1 | 2 | 3 | 4 |
| 275 | * SW | 0 | 1 | 4 | 2 | 3 |
| 276 | */ |
| 277 | static u8 mts64_map_midi_input(u8 c) |
| 278 | { |
| 279 | static u8 map[] = { 0, 1, 4, 2, 3 }; |
| 280 | |
| 281 | return map[c]; |
| 282 | } |
| 283 | |
| 284 | |
| 285 | /* Probe parport for device |
| 286 | * |
| 287 | * Do we have a Miditerminal 4140 on parport? |
| 288 | * Returns: |
| 289 | * 0 device found |
| 290 | * -ENODEV no device |
| 291 | */ |
| 292 | static int __devinit mts64_probe(struct parport *p) |
| 293 | { |
| 294 | u8 c; |
| 295 | |
| 296 | mts64_smpte_stop(p); |
| 297 | mts64_write_command(p, MTS64_CMD_PROBE); |
| 298 | |
| 299 | msleep(50); |
| 300 | |
| 301 | c = mts64_read(p); |
| 302 | |
| 303 | c &= 0x00ff; |
| 304 | if (c != MTS64_CMD_PROBE) |
| 305 | return -ENODEV; |
| 306 | else |
| 307 | return 0; |
| 308 | |
| 309 | } |
| 310 | |
| 311 | /* Read byte incl. status from device |
| 312 | * |
| 313 | * Returns: |
| 314 | * data in lower 8 bits and status in upper 8 bits |
| 315 | */ |
| 316 | static u16 mts64_read(struct parport *p) |
| 317 | { |
| 318 | u8 data, status; |
| 319 | |
| 320 | mts64_device_ready(p); |
| 321 | mts64_enable_readout(p); |
| 322 | status = parport_read_status(p); |
| 323 | data = mts64_read_char(p); |
| 324 | mts64_disable_readout(p); |
| 325 | |
| 326 | return (status << 8) | data; |
| 327 | } |
| 328 | |
| 329 | /* Read a byte from device |
| 330 | * |
| 331 | * Note, that readout mode has to be enabled. |
| 332 | * readout procedure is as follows: |
| 333 | * - Write number of the Bit to read to DATA |
| 334 | * - Read STATUS |
| 335 | * - Bit 5 of STATUS indicates if Bit is set |
| 336 | * |
| 337 | * Returns: |
| 338 | * Byte read from device |
| 339 | */ |
| 340 | static u8 mts64_read_char(struct parport *p) |
| 341 | { |
| 342 | u8 c = 0; |
| 343 | u8 status; |
| 344 | u8 i; |
| 345 | |
| 346 | for (i = 0; i < 8; ++i) { |
| 347 | parport_write_data(p, i); |
| 348 | c >>= 1; |
| 349 | status = parport_read_status(p); |
| 350 | if (status & MTS64_STAT_BIT_SET) |
| 351 | c |= 0x80; |
| 352 | } |
| 353 | |
| 354 | return c; |
| 355 | } |
| 356 | |
| 357 | /* Starts SMPTE Timecode generation |
| 358 | * |
| 359 | * The device creates SMPTE Timecode by hardware. |
| 360 | * 0 24 fps |
| 361 | * 1 25 fps |
| 362 | * 2 29.97 fps |
| 363 | * 3 30 fps (Drop-frame) |
| 364 | * 4 30 fps |
| 365 | */ |
| 366 | static void mts64_smpte_start(struct parport *p, |
| 367 | u8 hours, u8 minutes, |
| 368 | u8 seconds, u8 frames, |
| 369 | u8 idx) |
| 370 | { |
| 371 | static u8 fps[5] = { MTS64_CMD_SMPTE_FPS_24, |
| 372 | MTS64_CMD_SMPTE_FPS_25, |
| 373 | MTS64_CMD_SMPTE_FPS_2997, |
| 374 | MTS64_CMD_SMPTE_FPS_30D, |
| 375 | MTS64_CMD_SMPTE_FPS_30 }; |
| 376 | |
| 377 | mts64_write_command(p, MTS64_CMD_SMPTE_SET_TIME); |
| 378 | mts64_write_command(p, frames); |
| 379 | mts64_write_command(p, seconds); |
| 380 | mts64_write_command(p, minutes); |
| 381 | mts64_write_command(p, hours); |
| 382 | |
| 383 | mts64_write_command(p, MTS64_CMD_SMPTE_SET_FPS); |
| 384 | mts64_write_command(p, fps[idx]); |
| 385 | } |
| 386 | |
| 387 | /* Stops SMPTE Timecode generation |
| 388 | */ |
| 389 | static void mts64_smpte_stop(struct parport *p) |
| 390 | { |
| 391 | mts64_write_command(p, MTS64_CMD_SMPTE_STOP); |
| 392 | } |
| 393 | |
| 394 | /* Write a command byte to device |
| 395 | */ |
| 396 | static void mts64_write_command(struct parport *p, u8 c) |
| 397 | { |
| 398 | mts64_device_ready(p); |
| 399 | |
| 400 | parport_write_data(p, c); |
| 401 | |
| 402 | parport_write_control(p, MTS64_CTL_WRITE_CMD); |
| 403 | parport_write_control(p, MTS64_CTL_WRITE_CMD | MTS64_CTL_STROBE); |
| 404 | parport_write_control(p, MTS64_CTL_WRITE_CMD); |
| 405 | } |
| 406 | |
| 407 | /* Write a data byte to device |
| 408 | */ |
| 409 | static void mts64_write_data(struct parport *p, u8 c) |
| 410 | { |
| 411 | mts64_device_ready(p); |
| 412 | |
| 413 | parport_write_data(p, c); |
| 414 | |
| 415 | parport_write_control(p, MTS64_CTL_WRITE_DATA); |
| 416 | parport_write_control(p, MTS64_CTL_WRITE_DATA | MTS64_CTL_STROBE); |
| 417 | parport_write_control(p, MTS64_CTL_WRITE_DATA); |
| 418 | } |
| 419 | |
| 420 | /* Write a MIDI byte to midiport |
| 421 | * |
| 422 | * midiport ranges from 0-3 and maps to Ports 1-4 |
| 423 | * assumptions: communication mode is on |
| 424 | */ |
| 425 | static void mts64_write_midi(struct mts64 *mts, u8 c, |
| 426 | int midiport) |
| 427 | { |
| 428 | struct parport *p = mts->pardev->port; |
| 429 | |
| 430 | /* check current midiport */ |
| 431 | if (mts->current_midi_output_port != midiport) |
| 432 | mts64_write_command(p, midiport); |
| 433 | |
| 434 | /* write midi byte */ |
| 435 | mts64_write_data(p, c); |
| 436 | } |
| 437 | |
| 438 | /********************************************************************* |
| 439 | * Control elements |
| 440 | *********************************************************************/ |
| 441 | |
| 442 | /* SMPTE Switch */ |
Takashi Iwai | a5ce889 | 2007-07-23 15:42:26 +0200 | [diff] [blame] | 443 | #define snd_mts64_ctl_smpte_switch_info snd_ctl_boolean_mono_info |
Matthias Koenig | 68ab801 | 2006-07-27 16:59:23 +0200 | [diff] [blame] | 444 | |
| 445 | static int snd_mts64_ctl_smpte_switch_get(struct snd_kcontrol* kctl, |
| 446 | struct snd_ctl_elem_value *uctl) |
| 447 | { |
| 448 | struct mts64 *mts = snd_kcontrol_chip(kctl); |
| 449 | |
| 450 | spin_lock_irq(&mts->lock); |
| 451 | uctl->value.integer.value[0] = mts->smpte_switch; |
| 452 | spin_unlock_irq(&mts->lock); |
| 453 | |
| 454 | return 0; |
| 455 | } |
| 456 | |
| 457 | /* smpte_switch is not accessed from IRQ handler, so we just need |
| 458 | to protect the HW access */ |
| 459 | static int snd_mts64_ctl_smpte_switch_put(struct snd_kcontrol* kctl, |
| 460 | struct snd_ctl_elem_value *uctl) |
| 461 | { |
| 462 | struct mts64 *mts = snd_kcontrol_chip(kctl); |
| 463 | int changed = 0; |
| 464 | |
| 465 | spin_lock_irq(&mts->lock); |
| 466 | if (mts->smpte_switch == uctl->value.integer.value[0]) |
| 467 | goto __out; |
| 468 | |
| 469 | changed = 1; |
| 470 | mts->smpte_switch = uctl->value.integer.value[0]; |
| 471 | if (mts->smpte_switch) { |
| 472 | mts64_smpte_start(mts->pardev->port, |
| 473 | mts->time[0], mts->time[1], |
| 474 | mts->time[2], mts->time[3], |
| 475 | mts->fps); |
| 476 | } else { |
| 477 | mts64_smpte_stop(mts->pardev->port); |
| 478 | } |
| 479 | __out: |
| 480 | spin_unlock_irq(&mts->lock); |
| 481 | return changed; |
| 482 | } |
| 483 | |
| 484 | static struct snd_kcontrol_new mts64_ctl_smpte_switch __devinitdata = { |
| 485 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, |
| 486 | .name = "SMPTE Playback Switch", |
| 487 | .index = 0, |
| 488 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 489 | .private_value = 0, |
| 490 | .info = snd_mts64_ctl_smpte_switch_info, |
| 491 | .get = snd_mts64_ctl_smpte_switch_get, |
| 492 | .put = snd_mts64_ctl_smpte_switch_put |
| 493 | }; |
| 494 | |
| 495 | /* Time */ |
| 496 | static int snd_mts64_ctl_smpte_time_h_info(struct snd_kcontrol *kctl, |
| 497 | struct snd_ctl_elem_info *uinfo) |
| 498 | { |
| 499 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 500 | uinfo->count = 1; |
| 501 | uinfo->value.integer.min = 0; |
| 502 | uinfo->value.integer.max = 23; |
| 503 | return 0; |
| 504 | } |
| 505 | |
| 506 | static int snd_mts64_ctl_smpte_time_f_info(struct snd_kcontrol *kctl, |
| 507 | struct snd_ctl_elem_info *uinfo) |
| 508 | { |
| 509 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 510 | uinfo->count = 1; |
| 511 | uinfo->value.integer.min = 0; |
| 512 | uinfo->value.integer.max = 99; |
| 513 | return 0; |
| 514 | } |
| 515 | |
| 516 | static int snd_mts64_ctl_smpte_time_info(struct snd_kcontrol *kctl, |
| 517 | struct snd_ctl_elem_info *uinfo) |
| 518 | { |
| 519 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 520 | uinfo->count = 1; |
| 521 | uinfo->value.integer.min = 0; |
| 522 | uinfo->value.integer.max = 59; |
| 523 | return 0; |
| 524 | } |
| 525 | |
| 526 | static int snd_mts64_ctl_smpte_time_get(struct snd_kcontrol *kctl, |
| 527 | struct snd_ctl_elem_value *uctl) |
| 528 | { |
| 529 | struct mts64 *mts = snd_kcontrol_chip(kctl); |
| 530 | int idx = kctl->private_value; |
| 531 | |
| 532 | spin_lock_irq(&mts->lock); |
| 533 | uctl->value.integer.value[0] = mts->time[idx]; |
| 534 | spin_unlock_irq(&mts->lock); |
| 535 | |
| 536 | return 0; |
| 537 | } |
| 538 | |
| 539 | static int snd_mts64_ctl_smpte_time_put(struct snd_kcontrol *kctl, |
| 540 | struct snd_ctl_elem_value *uctl) |
| 541 | { |
| 542 | struct mts64 *mts = snd_kcontrol_chip(kctl); |
| 543 | int idx = kctl->private_value; |
| 544 | int changed = 0; |
| 545 | |
| 546 | spin_lock_irq(&mts->lock); |
| 547 | if (mts->time[idx] != uctl->value.integer.value[0]) { |
| 548 | changed = 1; |
| 549 | mts->time[idx] = uctl->value.integer.value[0]; |
| 550 | } |
| 551 | spin_unlock_irq(&mts->lock); |
| 552 | |
| 553 | return changed; |
| 554 | } |
| 555 | |
| 556 | static struct snd_kcontrol_new mts64_ctl_smpte_time_hours __devinitdata = { |
| 557 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, |
| 558 | .name = "SMPTE Time Hours", |
| 559 | .index = 0, |
| 560 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 561 | .private_value = 0, |
| 562 | .info = snd_mts64_ctl_smpte_time_h_info, |
| 563 | .get = snd_mts64_ctl_smpte_time_get, |
| 564 | .put = snd_mts64_ctl_smpte_time_put |
| 565 | }; |
| 566 | |
| 567 | static struct snd_kcontrol_new mts64_ctl_smpte_time_minutes __devinitdata = { |
| 568 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, |
| 569 | .name = "SMPTE Time Minutes", |
| 570 | .index = 0, |
| 571 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 572 | .private_value = 1, |
| 573 | .info = snd_mts64_ctl_smpte_time_info, |
| 574 | .get = snd_mts64_ctl_smpte_time_get, |
| 575 | .put = snd_mts64_ctl_smpte_time_put |
| 576 | }; |
| 577 | |
| 578 | static struct snd_kcontrol_new mts64_ctl_smpte_time_seconds __devinitdata = { |
| 579 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, |
| 580 | .name = "SMPTE Time Seconds", |
| 581 | .index = 0, |
| 582 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 583 | .private_value = 2, |
| 584 | .info = snd_mts64_ctl_smpte_time_info, |
| 585 | .get = snd_mts64_ctl_smpte_time_get, |
| 586 | .put = snd_mts64_ctl_smpte_time_put |
| 587 | }; |
| 588 | |
| 589 | static struct snd_kcontrol_new mts64_ctl_smpte_time_frames __devinitdata = { |
| 590 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, |
| 591 | .name = "SMPTE Time Frames", |
| 592 | .index = 0, |
| 593 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 594 | .private_value = 3, |
| 595 | .info = snd_mts64_ctl_smpte_time_f_info, |
| 596 | .get = snd_mts64_ctl_smpte_time_get, |
| 597 | .put = snd_mts64_ctl_smpte_time_put |
| 598 | }; |
| 599 | |
| 600 | /* FPS */ |
| 601 | static int snd_mts64_ctl_smpte_fps_info(struct snd_kcontrol *kctl, |
| 602 | struct snd_ctl_elem_info *uinfo) |
| 603 | { |
| 604 | static char *texts[5] = { "24", |
| 605 | "25", |
| 606 | "29.97", |
| 607 | "30D", |
| 608 | "30" }; |
| 609 | |
| 610 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 611 | uinfo->count = 1; |
| 612 | uinfo->value.enumerated.items = 5; |
| 613 | if (uinfo->value.enumerated.item > 4) |
| 614 | uinfo->value.enumerated.item = 4; |
| 615 | strcpy(uinfo->value.enumerated.name, |
| 616 | texts[uinfo->value.enumerated.item]); |
| 617 | |
| 618 | return 0; |
| 619 | } |
| 620 | |
| 621 | static int snd_mts64_ctl_smpte_fps_get(struct snd_kcontrol *kctl, |
| 622 | struct snd_ctl_elem_value *uctl) |
| 623 | { |
| 624 | struct mts64 *mts = snd_kcontrol_chip(kctl); |
| 625 | |
| 626 | spin_lock_irq(&mts->lock); |
| 627 | uctl->value.enumerated.item[0] = mts->fps; |
| 628 | spin_unlock_irq(&mts->lock); |
| 629 | |
| 630 | return 0; |
| 631 | } |
| 632 | |
| 633 | static int snd_mts64_ctl_smpte_fps_put(struct snd_kcontrol *kctl, |
| 634 | struct snd_ctl_elem_value *uctl) |
| 635 | { |
| 636 | struct mts64 *mts = snd_kcontrol_chip(kctl); |
| 637 | int changed = 0; |
| 638 | |
| 639 | spin_lock_irq(&mts->lock); |
| 640 | if (mts->fps != uctl->value.enumerated.item[0]) { |
| 641 | changed = 1; |
| 642 | mts->fps = uctl->value.enumerated.item[0]; |
| 643 | } |
| 644 | spin_unlock_irq(&mts->lock); |
| 645 | |
| 646 | return changed; |
| 647 | } |
| 648 | |
| 649 | static struct snd_kcontrol_new mts64_ctl_smpte_fps __devinitdata = { |
| 650 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, |
| 651 | .name = "SMPTE Fps", |
| 652 | .index = 0, |
| 653 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 654 | .private_value = 0, |
| 655 | .info = snd_mts64_ctl_smpte_fps_info, |
| 656 | .get = snd_mts64_ctl_smpte_fps_get, |
| 657 | .put = snd_mts64_ctl_smpte_fps_put |
| 658 | }; |
| 659 | |
| 660 | |
| 661 | static int __devinit snd_mts64_ctl_create(struct snd_card *card, |
| 662 | struct mts64 *mts) |
| 663 | { |
| 664 | int err, i; |
| 665 | static struct snd_kcontrol_new *control[] = { |
| 666 | &mts64_ctl_smpte_switch, |
| 667 | &mts64_ctl_smpte_time_hours, |
| 668 | &mts64_ctl_smpte_time_minutes, |
| 669 | &mts64_ctl_smpte_time_seconds, |
| 670 | &mts64_ctl_smpte_time_frames, |
| 671 | &mts64_ctl_smpte_fps, |
Al Viro | ae97dd9 | 2006-09-24 23:42:57 +0100 | [diff] [blame] | 672 | NULL }; |
Matthias Koenig | 68ab801 | 2006-07-27 16:59:23 +0200 | [diff] [blame] | 673 | |
| 674 | for (i = 0; control[i]; ++i) { |
| 675 | err = snd_ctl_add(card, snd_ctl_new1(control[i], mts)); |
| 676 | if (err < 0) { |
| 677 | snd_printd("Cannot create control: %s\n", |
| 678 | control[i]->name); |
| 679 | return err; |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | return 0; |
| 684 | } |
| 685 | |
| 686 | /********************************************************************* |
| 687 | * Rawmidi |
| 688 | *********************************************************************/ |
| 689 | #define MTS64_MODE_INPUT_TRIGGERED 0x01 |
| 690 | |
| 691 | static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream) |
| 692 | { |
| 693 | struct mts64 *mts = substream->rmidi->private_data; |
| 694 | |
| 695 | if (mts->open_count == 0) { |
| 696 | /* We don't need a spinlock here, because this is just called |
| 697 | if the device has not been opened before. |
| 698 | So there aren't any IRQs from the device */ |
| 699 | mts64_device_open(mts); |
| 700 | |
| 701 | msleep(50); |
| 702 | } |
| 703 | ++(mts->open_count); |
| 704 | |
| 705 | return 0; |
| 706 | } |
| 707 | |
| 708 | static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream) |
| 709 | { |
| 710 | struct mts64 *mts = substream->rmidi->private_data; |
| 711 | unsigned long flags; |
| 712 | |
| 713 | --(mts->open_count); |
| 714 | if (mts->open_count == 0) { |
| 715 | /* We need the spinlock_irqsave here because we can still |
| 716 | have IRQs at this point */ |
| 717 | spin_lock_irqsave(&mts->lock, flags); |
| 718 | mts64_device_close(mts); |
| 719 | spin_unlock_irqrestore(&mts->lock, flags); |
| 720 | |
| 721 | msleep(500); |
| 722 | |
| 723 | } else if (mts->open_count < 0) |
| 724 | mts->open_count = 0; |
| 725 | |
| 726 | return 0; |
| 727 | } |
| 728 | |
| 729 | static void snd_mts64_rawmidi_output_trigger(struct snd_rawmidi_substream *substream, |
| 730 | int up) |
| 731 | { |
| 732 | struct mts64 *mts = substream->rmidi->private_data; |
| 733 | u8 data; |
| 734 | unsigned long flags; |
| 735 | |
| 736 | spin_lock_irqsave(&mts->lock, flags); |
| 737 | while (snd_rawmidi_transmit_peek(substream, &data, 1) == 1) { |
| 738 | mts64_write_midi(mts, data, substream->number+1); |
| 739 | snd_rawmidi_transmit_ack(substream, 1); |
| 740 | } |
| 741 | spin_unlock_irqrestore(&mts->lock, flags); |
| 742 | } |
| 743 | |
| 744 | static void snd_mts64_rawmidi_input_trigger(struct snd_rawmidi_substream *substream, |
| 745 | int up) |
| 746 | { |
| 747 | struct mts64 *mts = substream->rmidi->private_data; |
| 748 | unsigned long flags; |
| 749 | |
| 750 | spin_lock_irqsave(&mts->lock, flags); |
| 751 | if (up) |
| 752 | mts->mode[substream->number] |= MTS64_MODE_INPUT_TRIGGERED; |
| 753 | else |
| 754 | mts->mode[substream->number] &= ~MTS64_MODE_INPUT_TRIGGERED; |
| 755 | |
| 756 | spin_unlock_irqrestore(&mts->lock, flags); |
| 757 | } |
| 758 | |
| 759 | static struct snd_rawmidi_ops snd_mts64_rawmidi_output_ops = { |
| 760 | .open = snd_mts64_rawmidi_open, |
| 761 | .close = snd_mts64_rawmidi_close, |
| 762 | .trigger = snd_mts64_rawmidi_output_trigger |
| 763 | }; |
| 764 | |
| 765 | static struct snd_rawmidi_ops snd_mts64_rawmidi_input_ops = { |
| 766 | .open = snd_mts64_rawmidi_open, |
| 767 | .close = snd_mts64_rawmidi_close, |
| 768 | .trigger = snd_mts64_rawmidi_input_trigger |
| 769 | }; |
| 770 | |
| 771 | /* Create and initialize the rawmidi component */ |
| 772 | static int __devinit snd_mts64_rawmidi_create(struct snd_card *card) |
| 773 | { |
| 774 | struct mts64 *mts = card->private_data; |
| 775 | struct snd_rawmidi *rmidi; |
| 776 | struct snd_rawmidi_substream *substream; |
| 777 | struct list_head *list; |
| 778 | int err; |
| 779 | |
| 780 | err = snd_rawmidi_new(card, CARD_NAME, 0, |
| 781 | MTS64_NUM_OUTPUT_PORTS, |
| 782 | MTS64_NUM_INPUT_PORTS, |
| 783 | &rmidi); |
| 784 | if (err < 0) |
| 785 | return err; |
| 786 | |
| 787 | rmidi->private_data = mts; |
| 788 | strcpy(rmidi->name, CARD_NAME); |
| 789 | rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT | |
| 790 | SNDRV_RAWMIDI_INFO_INPUT | |
| 791 | SNDRV_RAWMIDI_INFO_DUPLEX; |
| 792 | |
| 793 | mts->rmidi = rmidi; |
| 794 | |
| 795 | /* register rawmidi ops */ |
| 796 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, |
| 797 | &snd_mts64_rawmidi_output_ops); |
| 798 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, |
| 799 | &snd_mts64_rawmidi_input_ops); |
| 800 | |
| 801 | /* name substreams */ |
| 802 | /* output */ |
| 803 | list_for_each(list, |
| 804 | &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams) { |
| 805 | substream = list_entry(list, struct snd_rawmidi_substream, list); |
| 806 | sprintf(substream->name, |
| 807 | "Miditerminal %d", substream->number+1); |
| 808 | } |
| 809 | /* input */ |
| 810 | list_for_each(list, |
| 811 | &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams) { |
| 812 | substream = list_entry(list, struct snd_rawmidi_substream, list); |
| 813 | mts->midi_input_substream[substream->number] = substream; |
| 814 | switch(substream->number) { |
| 815 | case MTS64_SMPTE_SUBSTREAM: |
| 816 | strcpy(substream->name, "Miditerminal SMPTE"); |
| 817 | break; |
| 818 | default: |
| 819 | sprintf(substream->name, |
| 820 | "Miditerminal %d", substream->number+1); |
| 821 | } |
| 822 | } |
| 823 | |
| 824 | /* controls */ |
| 825 | err = snd_mts64_ctl_create(card, mts); |
| 826 | |
| 827 | return err; |
| 828 | } |
| 829 | |
| 830 | /********************************************************************* |
| 831 | * parport stuff |
| 832 | *********************************************************************/ |
Jeff Garzik | 5712cb3 | 2007-10-19 02:54:26 -0400 | [diff] [blame] | 833 | static void snd_mts64_interrupt(void *private) |
Matthias Koenig | 68ab801 | 2006-07-27 16:59:23 +0200 | [diff] [blame] | 834 | { |
| 835 | struct mts64 *mts = ((struct snd_card*)private)->private_data; |
| 836 | u16 ret; |
| 837 | u8 status, data; |
| 838 | struct snd_rawmidi_substream *substream; |
| 839 | |
| 840 | spin_lock(&mts->lock); |
| 841 | ret = mts64_read(mts->pardev->port); |
| 842 | data = ret & 0x00ff; |
| 843 | status = ret >> 8; |
| 844 | |
| 845 | if (status & MTS64_STAT_PORT) { |
| 846 | mts->current_midi_input_port = mts64_map_midi_input(data); |
| 847 | } else { |
| 848 | if (mts->current_midi_input_port == -1) |
| 849 | goto __out; |
| 850 | substream = mts->midi_input_substream[mts->current_midi_input_port]; |
| 851 | if (mts->mode[substream->number] & MTS64_MODE_INPUT_TRIGGERED) |
| 852 | snd_rawmidi_receive(substream, &data, 1); |
| 853 | } |
| 854 | __out: |
| 855 | spin_unlock(&mts->lock); |
| 856 | } |
| 857 | |
| 858 | static int __devinit snd_mts64_probe_port(struct parport *p) |
| 859 | { |
| 860 | struct pardevice *pardev; |
| 861 | int res; |
| 862 | |
| 863 | pardev = parport_register_device(p, DRIVER_NAME, |
| 864 | NULL, NULL, NULL, |
| 865 | 0, NULL); |
| 866 | if (!pardev) |
| 867 | return -EIO; |
| 868 | |
| 869 | if (parport_claim(pardev)) { |
| 870 | parport_unregister_device(pardev); |
| 871 | return -EIO; |
| 872 | } |
| 873 | |
| 874 | res = mts64_probe(p); |
| 875 | |
| 876 | parport_release(pardev); |
| 877 | parport_unregister_device(pardev); |
| 878 | |
| 879 | return res; |
| 880 | } |
| 881 | |
| 882 | static void __devinit snd_mts64_attach(struct parport *p) |
| 883 | { |
| 884 | struct platform_device *device; |
| 885 | |
| 886 | device = platform_device_alloc(PLATFORM_DRIVER, device_count); |
Akinobu Mita | 479ef43 | 2007-04-23 11:54:41 +0200 | [diff] [blame] | 887 | if (!device) |
Matthias Koenig | 68ab801 | 2006-07-27 16:59:23 +0200 | [diff] [blame] | 888 | return; |
| 889 | |
| 890 | /* Temporary assignment to forward the parport */ |
| 891 | platform_set_drvdata(device, p); |
| 892 | |
Akinobu Mita | 479ef43 | 2007-04-23 11:54:41 +0200 | [diff] [blame] | 893 | if (platform_device_add(device) < 0) { |
Matthias Koenig | 68ab801 | 2006-07-27 16:59:23 +0200 | [diff] [blame] | 894 | platform_device_put(device); |
| 895 | return; |
| 896 | } |
| 897 | |
| 898 | /* Since we dont get the return value of probe |
| 899 | * We need to check if device probing succeeded or not */ |
| 900 | if (!platform_get_drvdata(device)) { |
| 901 | platform_device_unregister(device); |
| 902 | return; |
| 903 | } |
| 904 | |
| 905 | /* register device in global table */ |
| 906 | platform_devices[device_count] = device; |
| 907 | device_count++; |
| 908 | } |
| 909 | |
| 910 | static void snd_mts64_detach(struct parport *p) |
| 911 | { |
| 912 | /* nothing to do here */ |
| 913 | } |
| 914 | |
| 915 | static struct parport_driver mts64_parport_driver = { |
| 916 | .name = "mts64", |
| 917 | .attach = snd_mts64_attach, |
| 918 | .detach = snd_mts64_detach |
| 919 | }; |
| 920 | |
| 921 | /********************************************************************* |
| 922 | * platform stuff |
| 923 | *********************************************************************/ |
| 924 | static void snd_mts64_card_private_free(struct snd_card *card) |
| 925 | { |
| 926 | struct mts64 *mts = card->private_data; |
| 927 | struct pardevice *pardev = mts->pardev; |
| 928 | |
| 929 | if (pardev) { |
| 930 | if (mts->pardev_claimed) |
| 931 | parport_release(pardev); |
| 932 | parport_unregister_device(pardev); |
| 933 | } |
| 934 | |
| 935 | snd_mts64_free(mts); |
| 936 | } |
| 937 | |
| 938 | static int __devinit snd_mts64_probe(struct platform_device *pdev) |
| 939 | { |
| 940 | struct pardevice *pardev; |
| 941 | struct parport *p; |
| 942 | int dev = pdev->id; |
| 943 | struct snd_card *card = NULL; |
| 944 | struct mts64 *mts = NULL; |
| 945 | int err; |
| 946 | |
| 947 | p = platform_get_drvdata(pdev); |
| 948 | platform_set_drvdata(pdev, NULL); |
| 949 | |
| 950 | if (dev >= SNDRV_CARDS) |
| 951 | return -ENODEV; |
| 952 | if (!enable[dev]) |
| 953 | return -ENOENT; |
| 954 | if ((err = snd_mts64_probe_port(p)) < 0) |
| 955 | return err; |
| 956 | |
| 957 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); |
| 958 | if (card == NULL) { |
| 959 | snd_printd("Cannot create card\n"); |
| 960 | return -ENOMEM; |
| 961 | } |
| 962 | strcpy(card->driver, DRIVER_NAME); |
| 963 | strcpy(card->shortname, "ESI " CARD_NAME); |
| 964 | sprintf(card->longname, "%s at 0x%lx, irq %i", |
| 965 | card->shortname, p->base, p->irq); |
| 966 | |
| 967 | pardev = parport_register_device(p, /* port */ |
| 968 | DRIVER_NAME, /* name */ |
| 969 | NULL, /* preempt */ |
| 970 | NULL, /* wakeup */ |
| 971 | snd_mts64_interrupt, /* ISR */ |
| 972 | PARPORT_DEV_EXCL, /* flags */ |
| 973 | (void *)card); /* private */ |
| 974 | if (pardev == NULL) { |
| 975 | snd_printd("Cannot register pardevice\n"); |
| 976 | err = -EIO; |
| 977 | goto __err; |
| 978 | } |
| 979 | |
| 980 | if ((err = snd_mts64_create(card, pardev, &mts)) < 0) { |
| 981 | snd_printd("Cannot create main component\n"); |
| 982 | parport_unregister_device(pardev); |
| 983 | goto __err; |
| 984 | } |
| 985 | card->private_data = mts; |
| 986 | card->private_free = snd_mts64_card_private_free; |
| 987 | |
| 988 | if ((err = snd_mts64_rawmidi_create(card)) < 0) { |
| 989 | snd_printd("Creating Rawmidi component failed\n"); |
| 990 | goto __err; |
| 991 | } |
| 992 | |
| 993 | /* claim parport */ |
| 994 | if (parport_claim(pardev)) { |
| 995 | snd_printd("Cannot claim parport 0x%lx\n", pardev->port->base); |
| 996 | err = -EIO; |
| 997 | goto __err; |
| 998 | } |
| 999 | mts->pardev_claimed = 1; |
| 1000 | |
| 1001 | /* init device */ |
| 1002 | if ((err = mts64_device_init(p)) < 0) |
| 1003 | goto __err; |
| 1004 | |
| 1005 | platform_set_drvdata(pdev, card); |
| 1006 | |
| 1007 | /* At this point card will be usable */ |
| 1008 | if ((err = snd_card_register(card)) < 0) { |
| 1009 | snd_printd("Cannot register card\n"); |
| 1010 | goto __err; |
| 1011 | } |
| 1012 | |
| 1013 | snd_printk("ESI Miditerminal 4140 on 0x%lx\n", p->base); |
| 1014 | return 0; |
| 1015 | |
| 1016 | __err: |
| 1017 | snd_card_free(card); |
| 1018 | return err; |
| 1019 | } |
| 1020 | |
Prarit Bhargava | 788c604 | 2007-02-13 13:11:11 +0100 | [diff] [blame] | 1021 | static int __devexit snd_mts64_remove(struct platform_device *pdev) |
Matthias Koenig | 68ab801 | 2006-07-27 16:59:23 +0200 | [diff] [blame] | 1022 | { |
| 1023 | struct snd_card *card = platform_get_drvdata(pdev); |
| 1024 | |
| 1025 | if (card) |
| 1026 | snd_card_free(card); |
| 1027 | |
| 1028 | return 0; |
| 1029 | } |
| 1030 | |
| 1031 | |
| 1032 | static struct platform_driver snd_mts64_driver = { |
| 1033 | .probe = snd_mts64_probe, |
Prarit Bhargava | 788c604 | 2007-02-13 13:11:11 +0100 | [diff] [blame] | 1034 | .remove = __devexit_p(snd_mts64_remove), |
Matthias Koenig | 68ab801 | 2006-07-27 16:59:23 +0200 | [diff] [blame] | 1035 | .driver = { |
| 1036 | .name = PLATFORM_DRIVER |
| 1037 | } |
| 1038 | }; |
| 1039 | |
| 1040 | /********************************************************************* |
| 1041 | * module init stuff |
| 1042 | *********************************************************************/ |
Randy Dunlap | 10c86be | 2007-07-01 12:06:37 -0700 | [diff] [blame] | 1043 | static void snd_mts64_unregister_all(void) |
Matthias Koenig | 68ab801 | 2006-07-27 16:59:23 +0200 | [diff] [blame] | 1044 | { |
| 1045 | int i; |
| 1046 | |
| 1047 | for (i = 0; i < SNDRV_CARDS; ++i) { |
| 1048 | if (platform_devices[i]) { |
| 1049 | platform_device_unregister(platform_devices[i]); |
| 1050 | platform_devices[i] = NULL; |
| 1051 | } |
| 1052 | } |
| 1053 | platform_driver_unregister(&snd_mts64_driver); |
| 1054 | parport_unregister_driver(&mts64_parport_driver); |
| 1055 | } |
| 1056 | |
| 1057 | static int __init snd_mts64_module_init(void) |
| 1058 | { |
| 1059 | int err; |
| 1060 | |
| 1061 | if ((err = platform_driver_register(&snd_mts64_driver)) < 0) |
| 1062 | return err; |
| 1063 | |
| 1064 | if (parport_register_driver(&mts64_parport_driver) != 0) { |
| 1065 | platform_driver_unregister(&snd_mts64_driver); |
| 1066 | return -EIO; |
| 1067 | } |
| 1068 | |
| 1069 | if (device_count == 0) { |
| 1070 | snd_mts64_unregister_all(); |
| 1071 | return -ENODEV; |
| 1072 | } |
| 1073 | |
| 1074 | return 0; |
| 1075 | } |
| 1076 | |
| 1077 | static void __exit snd_mts64_module_exit(void) |
| 1078 | { |
| 1079 | snd_mts64_unregister_all(); |
| 1080 | } |
| 1081 | |
| 1082 | module_init(snd_mts64_module_init); |
| 1083 | module_exit(snd_mts64_module_exit); |