1 /* 2 ad1816a.c - lowlevel code for Analog Devices AD1816A chip. 3 Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it> 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 */ 19 20 #include <linux/delay.h> 21 #include <linux/init.h> 22 #include <linux/interrupt.h> 23 #include <linux/slab.h> 24 #include <linux/ioport.h> 25 #include <sound/core.h> 26 #include <sound/tlv.h> 27 #include <sound/ad1816a.h> 28 29 #include <asm/io.h> 30 #include <asm/dma.h> 31 32 static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip) 33 { 34 int timeout; 35 36 for (timeout = 1000; timeout-- > 0; udelay(10)) 37 if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY) 38 return 0; 39 40 snd_printk(KERN_WARNING "chip busy.\n"); 41 return -EBUSY; 42 } 43 44 static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg) 45 { 46 snd_ad1816a_busy_wait(chip); 47 return inb(AD1816A_REG(reg)); 48 } 49 50 static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg, 51 unsigned char value) 52 { 53 snd_ad1816a_busy_wait(chip); 54 outb(value, AD1816A_REG(reg)); 55 } 56 57 static inline void snd_ad1816a_out_mask(struct snd_ad1816a *chip, unsigned char reg, 58 unsigned char mask, unsigned char value) 59 { 60 snd_ad1816a_out(chip, reg, 61 (value & mask) | (snd_ad1816a_in(chip, reg) & ~mask)); 62 } 63 64 static unsigned short snd_ad1816a_read(struct snd_ad1816a *chip, unsigned char reg) 65 { 66 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f); 67 return snd_ad1816a_in(chip, AD1816A_INDIR_DATA_LOW) | 68 (snd_ad1816a_in(chip, AD1816A_INDIR_DATA_HIGH) << 8); 69 } 70 71 static void snd_ad1816a_write(struct snd_ad1816a *chip, unsigned char reg, 72 unsigned short value) 73 { 74 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f); 75 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_LOW, value & 0xff); 76 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_HIGH, (value >> 8) & 0xff); 77 } 78 79 static void snd_ad1816a_write_mask(struct snd_ad1816a *chip, unsigned char reg, 80 unsigned short mask, unsigned short value) 81 { 82 snd_ad1816a_write(chip, reg, 83 (value & mask) | (snd_ad1816a_read(chip, reg) & ~mask)); 84 } 85 86 87 static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip, 88 unsigned int format, int channels) 89 { 90 unsigned char retval = AD1816A_FMT_LINEAR_8; 91 92 switch (format) { 93 case SNDRV_PCM_FORMAT_MU_LAW: 94 retval = AD1816A_FMT_ULAW_8; 95 break; 96 case SNDRV_PCM_FORMAT_A_LAW: 97 retval = AD1816A_FMT_ALAW_8; 98 break; 99 case SNDRV_PCM_FORMAT_S16_LE: 100 retval = AD1816A_FMT_LINEAR_16_LIT; 101 break; 102 case SNDRV_PCM_FORMAT_S16_BE: 103 retval = AD1816A_FMT_LINEAR_16_BIG; 104 } 105 return (channels > 1) ? (retval | AD1816A_FMT_STEREO) : retval; 106 } 107 108 static int snd_ad1816a_open(struct snd_ad1816a *chip, unsigned int mode) 109 { 110 unsigned long flags; 111 112 spin_lock_irqsave(&chip->lock, flags); 113 114 if (chip->mode & mode) { 115 spin_unlock_irqrestore(&chip->lock, flags); 116 return -EAGAIN; 117 } 118 119 switch ((mode &= AD1816A_MODE_OPEN)) { 120 case AD1816A_MODE_PLAYBACK: 121 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 122 AD1816A_PLAYBACK_IRQ_PENDING, 0x00); 123 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 124 AD1816A_PLAYBACK_IRQ_ENABLE, 0xffff); 125 break; 126 case AD1816A_MODE_CAPTURE: 127 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 128 AD1816A_CAPTURE_IRQ_PENDING, 0x00); 129 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 130 AD1816A_CAPTURE_IRQ_ENABLE, 0xffff); 131 break; 132 case AD1816A_MODE_TIMER: 133 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 134 AD1816A_TIMER_IRQ_PENDING, 0x00); 135 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 136 AD1816A_TIMER_IRQ_ENABLE, 0xffff); 137 } 138 chip->mode |= mode; 139 140 spin_unlock_irqrestore(&chip->lock, flags); 141 return 0; 142 } 143 144 static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode) 145 { 146 unsigned long flags; 147 148 spin_lock_irqsave(&chip->lock, flags); 149 150 switch ((mode &= AD1816A_MODE_OPEN)) { 151 case AD1816A_MODE_PLAYBACK: 152 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 153 AD1816A_PLAYBACK_IRQ_PENDING, 0x00); 154 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 155 AD1816A_PLAYBACK_IRQ_ENABLE, 0x0000); 156 break; 157 case AD1816A_MODE_CAPTURE: 158 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 159 AD1816A_CAPTURE_IRQ_PENDING, 0x00); 160 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 161 AD1816A_CAPTURE_IRQ_ENABLE, 0x0000); 162 break; 163 case AD1816A_MODE_TIMER: 164 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 165 AD1816A_TIMER_IRQ_PENDING, 0x00); 166 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 167 AD1816A_TIMER_IRQ_ENABLE, 0x0000); 168 } 169 if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN)) 170 chip->mode = 0; 171 172 spin_unlock_irqrestore(&chip->lock, flags); 173 } 174 175 176 static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what, 177 int channel, int cmd, int iscapture) 178 { 179 int error = 0; 180 181 switch (cmd) { 182 case SNDRV_PCM_TRIGGER_START: 183 case SNDRV_PCM_TRIGGER_STOP: 184 spin_lock(&chip->lock); 185 cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00; 186 /* if (what & AD1816A_PLAYBACK_ENABLE) */ 187 /* That is not valid, because playback and capture enable 188 * are the same bit pattern, just to different addresses 189 */ 190 if (! iscapture) 191 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, 192 AD1816A_PLAYBACK_ENABLE, cmd); 193 else 194 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, 195 AD1816A_CAPTURE_ENABLE, cmd); 196 spin_unlock(&chip->lock); 197 break; 198 default: 199 snd_printk(KERN_WARNING "invalid trigger mode 0x%x.\n", what); 200 error = -EINVAL; 201 } 202 203 return error; 204 } 205 206 static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd) 207 { 208 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 209 return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE, 210 SNDRV_PCM_STREAM_PLAYBACK, cmd, 0); 211 } 212 213 static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd) 214 { 215 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 216 return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE, 217 SNDRV_PCM_STREAM_CAPTURE, cmd, 1); 218 } 219 220 static int snd_ad1816a_hw_params(struct snd_pcm_substream *substream, 221 struct snd_pcm_hw_params *hw_params) 222 { 223 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 224 } 225 226 static int snd_ad1816a_hw_free(struct snd_pcm_substream *substream) 227 { 228 return snd_pcm_lib_free_pages(substream); 229 } 230 231 static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream) 232 { 233 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 234 unsigned long flags; 235 struct snd_pcm_runtime *runtime = substream->runtime; 236 unsigned int size, rate; 237 238 spin_lock_irqsave(&chip->lock, flags); 239 240 chip->p_dma_size = size = snd_pcm_lib_buffer_bytes(substream); 241 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, 242 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00); 243 244 snd_dma_program(chip->dma1, runtime->dma_addr, size, 245 DMA_MODE_WRITE | DMA_AUTOINIT); 246 247 rate = runtime->rate; 248 if (chip->clock_freq) 249 rate = (rate * 33000) / chip->clock_freq; 250 snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate); 251 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, 252 AD1816A_FMT_ALL | AD1816A_FMT_STEREO, 253 snd_ad1816a_get_format(chip, runtime->format, 254 runtime->channels)); 255 256 snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT, 257 snd_pcm_lib_period_bytes(substream) / 4 - 1); 258 259 spin_unlock_irqrestore(&chip->lock, flags); 260 return 0; 261 } 262 263 static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream) 264 { 265 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 266 unsigned long flags; 267 struct snd_pcm_runtime *runtime = substream->runtime; 268 unsigned int size, rate; 269 270 spin_lock_irqsave(&chip->lock, flags); 271 272 chip->c_dma_size = size = snd_pcm_lib_buffer_bytes(substream); 273 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, 274 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00); 275 276 snd_dma_program(chip->dma2, runtime->dma_addr, size, 277 DMA_MODE_READ | DMA_AUTOINIT); 278 279 rate = runtime->rate; 280 if (chip->clock_freq) 281 rate = (rate * 33000) / chip->clock_freq; 282 snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate); 283 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, 284 AD1816A_FMT_ALL | AD1816A_FMT_STEREO, 285 snd_ad1816a_get_format(chip, runtime->format, 286 runtime->channels)); 287 288 snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT, 289 snd_pcm_lib_period_bytes(substream) / 4 - 1); 290 291 spin_unlock_irqrestore(&chip->lock, flags); 292 return 0; 293 } 294 295 296 static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream) 297 { 298 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 299 size_t ptr; 300 if (!(chip->mode & AD1816A_MODE_PLAYBACK)) 301 return 0; 302 ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size); 303 return bytes_to_frames(substream->runtime, ptr); 304 } 305 306 static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream) 307 { 308 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 309 size_t ptr; 310 if (!(chip->mode & AD1816A_MODE_CAPTURE)) 311 return 0; 312 ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size); 313 return bytes_to_frames(substream->runtime, ptr); 314 } 315 316 317 static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id) 318 { 319 struct snd_ad1816a *chip = dev_id; 320 unsigned char status; 321 322 spin_lock(&chip->lock); 323 status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS); 324 spin_unlock(&chip->lock); 325 326 if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream) 327 snd_pcm_period_elapsed(chip->playback_substream); 328 329 if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream) 330 snd_pcm_period_elapsed(chip->capture_substream); 331 332 if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer) 333 snd_timer_interrupt(chip->timer, chip->timer->sticks); 334 335 spin_lock(&chip->lock); 336 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00); 337 spin_unlock(&chip->lock); 338 return IRQ_HANDLED; 339 } 340 341 342 static struct snd_pcm_hardware snd_ad1816a_playback = { 343 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 344 SNDRV_PCM_INFO_MMAP_VALID), 345 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | 346 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 347 SNDRV_PCM_FMTBIT_S16_BE), 348 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 349 .rate_min = 4000, 350 .rate_max = 55200, 351 .channels_min = 1, 352 .channels_max = 2, 353 .buffer_bytes_max = (128*1024), 354 .period_bytes_min = 64, 355 .period_bytes_max = (128*1024), 356 .periods_min = 1, 357 .periods_max = 1024, 358 .fifo_size = 0, 359 }; 360 361 static struct snd_pcm_hardware snd_ad1816a_capture = { 362 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 363 SNDRV_PCM_INFO_MMAP_VALID), 364 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | 365 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 366 SNDRV_PCM_FMTBIT_S16_BE), 367 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 368 .rate_min = 4000, 369 .rate_max = 55200, 370 .channels_min = 1, 371 .channels_max = 2, 372 .buffer_bytes_max = (128*1024), 373 .period_bytes_min = 64, 374 .period_bytes_max = (128*1024), 375 .periods_min = 1, 376 .periods_max = 1024, 377 .fifo_size = 0, 378 }; 379 380 static int snd_ad1816a_timer_close(struct snd_timer *timer) 381 { 382 struct snd_ad1816a *chip = snd_timer_chip(timer); 383 snd_ad1816a_close(chip, AD1816A_MODE_TIMER); 384 return 0; 385 } 386 387 static int snd_ad1816a_timer_open(struct snd_timer *timer) 388 { 389 struct snd_ad1816a *chip = snd_timer_chip(timer); 390 snd_ad1816a_open(chip, AD1816A_MODE_TIMER); 391 return 0; 392 } 393 394 static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer) 395 { 396 if (snd_BUG_ON(!timer)) 397 return 0; 398 399 return 10000; 400 } 401 402 static int snd_ad1816a_timer_start(struct snd_timer *timer) 403 { 404 unsigned short bits; 405 unsigned long flags; 406 struct snd_ad1816a *chip = snd_timer_chip(timer); 407 spin_lock_irqsave(&chip->lock, flags); 408 bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE); 409 410 if (!(bits & AD1816A_TIMER_ENABLE)) { 411 snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT, 412 timer->sticks & 0xffff); 413 414 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 415 AD1816A_TIMER_ENABLE, 0xffff); 416 } 417 spin_unlock_irqrestore(&chip->lock, flags); 418 return 0; 419 } 420 421 static int snd_ad1816a_timer_stop(struct snd_timer *timer) 422 { 423 unsigned long flags; 424 struct snd_ad1816a *chip = snd_timer_chip(timer); 425 spin_lock_irqsave(&chip->lock, flags); 426 427 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 428 AD1816A_TIMER_ENABLE, 0x0000); 429 430 spin_unlock_irqrestore(&chip->lock, flags); 431 return 0; 432 } 433 434 static struct snd_timer_hardware snd_ad1816a_timer_table = { 435 .flags = SNDRV_TIMER_HW_AUTO, 436 .resolution = 10000, 437 .ticks = 65535, 438 .open = snd_ad1816a_timer_open, 439 .close = snd_ad1816a_timer_close, 440 .c_resolution = snd_ad1816a_timer_resolution, 441 .start = snd_ad1816a_timer_start, 442 .stop = snd_ad1816a_timer_stop, 443 }; 444 445 static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream) 446 { 447 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 448 struct snd_pcm_runtime *runtime = substream->runtime; 449 int error; 450 451 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0) 452 return error; 453 runtime->hw = snd_ad1816a_playback; 454 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max); 455 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max); 456 chip->playback_substream = substream; 457 return 0; 458 } 459 460 static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream) 461 { 462 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 463 struct snd_pcm_runtime *runtime = substream->runtime; 464 int error; 465 466 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0) 467 return error; 468 runtime->hw = snd_ad1816a_capture; 469 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); 470 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max); 471 chip->capture_substream = substream; 472 return 0; 473 } 474 475 static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream) 476 { 477 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 478 479 chip->playback_substream = NULL; 480 snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK); 481 return 0; 482 } 483 484 static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream) 485 { 486 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 487 488 chip->capture_substream = NULL; 489 snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE); 490 return 0; 491 } 492 493 494 static void __devinit snd_ad1816a_init(struct snd_ad1816a *chip) 495 { 496 unsigned long flags; 497 498 spin_lock_irqsave(&chip->lock, flags); 499 500 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00); 501 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, 502 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00); 503 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, 504 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00); 505 snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000); 506 snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG, 507 AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff); 508 snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000); 509 snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000); 510 511 spin_unlock_irqrestore(&chip->lock, flags); 512 } 513 514 static int __devinit snd_ad1816a_probe(struct snd_ad1816a *chip) 515 { 516 unsigned long flags; 517 518 spin_lock_irqsave(&chip->lock, flags); 519 520 switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) { 521 case 0: 522 chip->hardware = AD1816A_HW_AD1815; 523 break; 524 case 1: 525 chip->hardware = AD1816A_HW_AD18MAX10; 526 break; 527 case 3: 528 chip->hardware = AD1816A_HW_AD1816A; 529 break; 530 default: 531 chip->hardware = AD1816A_HW_AUTO; 532 } 533 534 spin_unlock_irqrestore(&chip->lock, flags); 535 return 0; 536 } 537 538 static int snd_ad1816a_free(struct snd_ad1816a *chip) 539 { 540 release_and_free_resource(chip->res_port); 541 if (chip->irq >= 0) 542 free_irq(chip->irq, (void *) chip); 543 if (chip->dma1 >= 0) { 544 snd_dma_disable(chip->dma1); 545 free_dma(chip->dma1); 546 } 547 if (chip->dma2 >= 0) { 548 snd_dma_disable(chip->dma2); 549 free_dma(chip->dma2); 550 } 551 kfree(chip); 552 return 0; 553 } 554 555 static int snd_ad1816a_dev_free(struct snd_device *device) 556 { 557 struct snd_ad1816a *chip = device->device_data; 558 return snd_ad1816a_free(chip); 559 } 560 561 static const char __devinit *snd_ad1816a_chip_id(struct snd_ad1816a *chip) 562 { 563 switch (chip->hardware) { 564 case AD1816A_HW_AD1816A: return "AD1816A"; 565 case AD1816A_HW_AD1815: return "AD1815"; 566 case AD1816A_HW_AD18MAX10: return "AD18max10"; 567 default: 568 snd_printk(KERN_WARNING "Unknown chip version %d:%d.\n", 569 chip->version, chip->hardware); 570 return "AD1816A - unknown"; 571 } 572 } 573 574 int __devinit snd_ad1816a_create(struct snd_card *card, 575 unsigned long port, int irq, int dma1, int dma2, 576 struct snd_ad1816a **rchip) 577 { 578 static struct snd_device_ops ops = { 579 .dev_free = snd_ad1816a_dev_free, 580 }; 581 int error; 582 struct snd_ad1816a *chip; 583 584 *rchip = NULL; 585 586 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 587 if (chip == NULL) 588 return -ENOMEM; 589 chip->irq = -1; 590 chip->dma1 = -1; 591 chip->dma2 = -1; 592 593 if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) { 594 snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port); 595 snd_ad1816a_free(chip); 596 return -EBUSY; 597 } 598 if (request_irq(irq, snd_ad1816a_interrupt, 0, "AD1816A", (void *) chip)) { 599 snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq); 600 snd_ad1816a_free(chip); 601 return -EBUSY; 602 } 603 chip->irq = irq; 604 if (request_dma(dma1, "AD1816A - 1")) { 605 snd_printk(KERN_ERR "ad1816a: can't grab DMA1 %d\n", dma1); 606 snd_ad1816a_free(chip); 607 return -EBUSY; 608 } 609 chip->dma1 = dma1; 610 if (request_dma(dma2, "AD1816A - 2")) { 611 snd_printk(KERN_ERR "ad1816a: can't grab DMA2 %d\n", dma2); 612 snd_ad1816a_free(chip); 613 return -EBUSY; 614 } 615 chip->dma2 = dma2; 616 617 chip->card = card; 618 chip->port = port; 619 spin_lock_init(&chip->lock); 620 621 if ((error = snd_ad1816a_probe(chip))) { 622 snd_ad1816a_free(chip); 623 return error; 624 } 625 626 snd_ad1816a_init(chip); 627 628 /* Register device */ 629 if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 630 snd_ad1816a_free(chip); 631 return error; 632 } 633 634 *rchip = chip; 635 return 0; 636 } 637 638 static struct snd_pcm_ops snd_ad1816a_playback_ops = { 639 .open = snd_ad1816a_playback_open, 640 .close = snd_ad1816a_playback_close, 641 .ioctl = snd_pcm_lib_ioctl, 642 .hw_params = snd_ad1816a_hw_params, 643 .hw_free = snd_ad1816a_hw_free, 644 .prepare = snd_ad1816a_playback_prepare, 645 .trigger = snd_ad1816a_playback_trigger, 646 .pointer = snd_ad1816a_playback_pointer, 647 }; 648 649 static struct snd_pcm_ops snd_ad1816a_capture_ops = { 650 .open = snd_ad1816a_capture_open, 651 .close = snd_ad1816a_capture_close, 652 .ioctl = snd_pcm_lib_ioctl, 653 .hw_params = snd_ad1816a_hw_params, 654 .hw_free = snd_ad1816a_hw_free, 655 .prepare = snd_ad1816a_capture_prepare, 656 .trigger = snd_ad1816a_capture_trigger, 657 .pointer = snd_ad1816a_capture_pointer, 658 }; 659 660 int __devinit snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm) 661 { 662 int error; 663 struct snd_pcm *pcm; 664 665 if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm))) 666 return error; 667 668 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops); 669 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops); 670 671 pcm->private_data = chip; 672 pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0; 673 674 strcpy(pcm->name, snd_ad1816a_chip_id(chip)); 675 snd_ad1816a_init(chip); 676 677 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 678 snd_dma_isa_data(), 679 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024); 680 681 chip->pcm = pcm; 682 if (rpcm) 683 *rpcm = pcm; 684 return 0; 685 } 686 687 int __devinit snd_ad1816a_timer(struct snd_ad1816a *chip, int device, struct snd_timer **rtimer) 688 { 689 struct snd_timer *timer; 690 struct snd_timer_id tid; 691 int error; 692 693 tid.dev_class = SNDRV_TIMER_CLASS_CARD; 694 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; 695 tid.card = chip->card->number; 696 tid.device = device; 697 tid.subdevice = 0; 698 if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0) 699 return error; 700 strcpy(timer->name, snd_ad1816a_chip_id(chip)); 701 timer->private_data = chip; 702 chip->timer = timer; 703 timer->hw = snd_ad1816a_timer_table; 704 if (rtimer) 705 *rtimer = timer; 706 return 0; 707 } 708 709 /* 710 * 711 */ 712 713 static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 714 { 715 static char *texts[8] = { 716 "Line", "Mix", "CD", "Synth", "Video", 717 "Mic", "Phone", 718 }; 719 720 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 721 uinfo->count = 2; 722 uinfo->value.enumerated.items = 7; 723 if (uinfo->value.enumerated.item > 6) 724 uinfo->value.enumerated.item = 6; 725 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 726 return 0; 727 } 728 729 static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 730 { 731 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 732 unsigned long flags; 733 unsigned short val; 734 735 spin_lock_irqsave(&chip->lock, flags); 736 val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL); 737 spin_unlock_irqrestore(&chip->lock, flags); 738 ucontrol->value.enumerated.item[0] = (val >> 12) & 7; 739 ucontrol->value.enumerated.item[1] = (val >> 4) & 7; 740 return 0; 741 } 742 743 static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 744 { 745 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 746 unsigned long flags; 747 unsigned short val; 748 int change; 749 750 if (ucontrol->value.enumerated.item[0] > 6 || 751 ucontrol->value.enumerated.item[1] > 6) 752 return -EINVAL; 753 val = (ucontrol->value.enumerated.item[0] << 12) | 754 (ucontrol->value.enumerated.item[1] << 4); 755 spin_lock_irqsave(&chip->lock, flags); 756 change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val; 757 snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val); 758 spin_unlock_irqrestore(&chip->lock, flags); 759 return change; 760 } 761 762 #define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv) \ 763 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 764 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 765 .name = xname, .info = snd_ad1816a_info_single, \ 766 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \ 767 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ 768 .tlv = { .p = (xtlv) } } 769 #define AD1816A_SINGLE(xname, reg, shift, mask, invert) \ 770 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \ 771 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \ 772 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 773 774 static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 775 { 776 int mask = (kcontrol->private_value >> 16) & 0xff; 777 778 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 779 uinfo->count = 1; 780 uinfo->value.integer.min = 0; 781 uinfo->value.integer.max = mask; 782 return 0; 783 } 784 785 static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 786 { 787 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 788 unsigned long flags; 789 int reg = kcontrol->private_value & 0xff; 790 int shift = (kcontrol->private_value >> 8) & 0xff; 791 int mask = (kcontrol->private_value >> 16) & 0xff; 792 int invert = (kcontrol->private_value >> 24) & 0xff; 793 794 spin_lock_irqsave(&chip->lock, flags); 795 ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask; 796 spin_unlock_irqrestore(&chip->lock, flags); 797 if (invert) 798 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 799 return 0; 800 } 801 802 static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 803 { 804 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 805 unsigned long flags; 806 int reg = kcontrol->private_value & 0xff; 807 int shift = (kcontrol->private_value >> 8) & 0xff; 808 int mask = (kcontrol->private_value >> 16) & 0xff; 809 int invert = (kcontrol->private_value >> 24) & 0xff; 810 int change; 811 unsigned short old_val, val; 812 813 val = (ucontrol->value.integer.value[0] & mask); 814 if (invert) 815 val = mask - val; 816 val <<= shift; 817 spin_lock_irqsave(&chip->lock, flags); 818 old_val = snd_ad1816a_read(chip, reg); 819 val = (old_val & ~(mask << shift)) | val; 820 change = val != old_val; 821 snd_ad1816a_write(chip, reg, val); 822 spin_unlock_irqrestore(&chip->lock, flags); 823 return change; 824 } 825 826 #define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ 827 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 828 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 829 .name = xname, .info = snd_ad1816a_info_double, \ 830 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \ 831 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \ 832 .tlv = { .p = (xtlv) } } 833 834 #define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ 835 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \ 836 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \ 837 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) } 838 839 static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 840 { 841 int mask = (kcontrol->private_value >> 16) & 0xff; 842 843 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 844 uinfo->count = 2; 845 uinfo->value.integer.min = 0; 846 uinfo->value.integer.max = mask; 847 return 0; 848 } 849 850 static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 851 { 852 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 853 unsigned long flags; 854 int reg = kcontrol->private_value & 0xff; 855 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 856 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 857 int mask = (kcontrol->private_value >> 16) & 0xff; 858 int invert = (kcontrol->private_value >> 24) & 0xff; 859 unsigned short val; 860 861 spin_lock_irqsave(&chip->lock, flags); 862 val = snd_ad1816a_read(chip, reg); 863 ucontrol->value.integer.value[0] = (val >> shift_left) & mask; 864 ucontrol->value.integer.value[1] = (val >> shift_right) & mask; 865 spin_unlock_irqrestore(&chip->lock, flags); 866 if (invert) { 867 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 868 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 869 } 870 return 0; 871 } 872 873 static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 874 { 875 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 876 unsigned long flags; 877 int reg = kcontrol->private_value & 0xff; 878 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 879 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 880 int mask = (kcontrol->private_value >> 16) & 0xff; 881 int invert = (kcontrol->private_value >> 24) & 0xff; 882 int change; 883 unsigned short old_val, val1, val2; 884 885 val1 = ucontrol->value.integer.value[0] & mask; 886 val2 = ucontrol->value.integer.value[1] & mask; 887 if (invert) { 888 val1 = mask - val1; 889 val2 = mask - val2; 890 } 891 val1 <<= shift_left; 892 val2 <<= shift_right; 893 spin_lock_irqsave(&chip->lock, flags); 894 old_val = snd_ad1816a_read(chip, reg); 895 val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 896 change = val1 != old_val; 897 snd_ad1816a_write(chip, reg, val1); 898 spin_unlock_irqrestore(&chip->lock, flags); 899 return change; 900 } 901 902 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 903 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 904 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 905 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 906 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 907 908 static struct snd_kcontrol_new snd_ad1816a_controls[] __devinitdata = { 909 AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1), 910 AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1, 911 db_scale_5bit), 912 AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1), 913 AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1, 914 db_scale_6bit), 915 AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1), 916 AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1, 917 db_scale_5bit_12db_max), 918 AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1), 919 AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1, 920 db_scale_5bit_12db_max), 921 AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1), 922 AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1, 923 db_scale_5bit_12db_max), 924 AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1), 925 AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1, 926 db_scale_6bit), 927 AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1), 928 AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1, 929 db_scale_5bit_12db_max), 930 AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0), 931 AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1), 932 AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1, 933 db_scale_5bit_12db_max), 934 AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1), 935 AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1, 936 db_scale_4bit), 937 AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1), 938 AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1, 939 db_scale_5bit), 940 { 941 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 942 .name = "Capture Source", 943 .info = snd_ad1816a_info_mux, 944 .get = snd_ad1816a_get_mux, 945 .put = snd_ad1816a_put_mux, 946 }, 947 AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1), 948 AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0, 949 db_scale_rec_gain), 950 AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1), 951 AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0), 952 }; 953 954 int __devinit snd_ad1816a_mixer(struct snd_ad1816a *chip) 955 { 956 struct snd_card *card; 957 unsigned int idx; 958 int err; 959 960 if (snd_BUG_ON(!chip || !chip->card)) 961 return -EINVAL; 962 963 card = chip->card; 964 965 strcpy(card->mixername, snd_ad1816a_chip_id(chip)); 966 967 for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) { 968 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0) 969 return err; 970 } 971 return 0; 972 } 973