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ad1816a_lib.c
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linux-6.19.14/sound/isa/ad1816a/ad1816a_lib.c
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 ad1816a.c - lowlevel code for Analog Devices AD1816A chip. 4 Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it> 5 6*/ 7 8#include <linux/delay.h> 9#include <linux/init.h> 10#include <linux/interrupt.h> 11#include <linux/slab.h> 12#include <linux/ioport.h> 13#include <linux/io.h> 14#include <sound/core.h> 15#include <sound/tlv.h> 16#include <sound/ad1816a.h> 17 18#include <asm/dma.h> 19 20static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip) 21{ 22 int timeout; 23 24 for (timeout = 1000; timeout-- > 0; udelay(10)) 25 if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY) 26 return 0; 27 28 dev_warn(chip->card->dev, "chip busy.\n"); 29 return -EBUSY; 30} 31 32static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg) 33{ 34 snd_ad1816a_busy_wait(chip); 35 return inb(AD1816A_REG(reg)); 36} 37 38static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg, 39 unsigned char value) 40{ 41 snd_ad1816a_busy_wait(chip); 42 outb(value, AD1816A_REG(reg)); 43} 44 45static inline void snd_ad1816a_out_mask(struct snd_ad1816a *chip, unsigned char reg, 46 unsigned char mask, unsigned char value) 47{ 48 snd_ad1816a_out(chip, reg, 49 (value & mask) | (snd_ad1816a_in(chip, reg) & ~mask)); 50} 51 52static unsigned short snd_ad1816a_read(struct snd_ad1816a *chip, unsigned char reg) 53{ 54 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f); 55 return snd_ad1816a_in(chip, AD1816A_INDIR_DATA_LOW) | 56 (snd_ad1816a_in(chip, AD1816A_INDIR_DATA_HIGH) << 8); 57} 58 59static void snd_ad1816a_write(struct snd_ad1816a *chip, unsigned char reg, 60 unsigned short value) 61{ 62 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f); 63 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_LOW, value & 0xff); 64 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_HIGH, (value >> 8) & 0xff); 65} 66 67static void snd_ad1816a_write_mask(struct snd_ad1816a *chip, unsigned char reg, 68 unsigned short mask, unsigned short value) 69{ 70 snd_ad1816a_write(chip, reg, 71 (value & mask) | (snd_ad1816a_read(chip, reg) & ~mask)); 72} 73 74 75static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip, 76 snd_pcm_format_t format, 77 int channels) 78{ 79 unsigned char retval = AD1816A_FMT_LINEAR_8; 80 81 switch (format) { 82 case SNDRV_PCM_FORMAT_MU_LAW: 83 retval = AD1816A_FMT_ULAW_8; 84 break; 85 case SNDRV_PCM_FORMAT_A_LAW: 86 retval = AD1816A_FMT_ALAW_8; 87 break; 88 case SNDRV_PCM_FORMAT_S16_LE: 89 retval = AD1816A_FMT_LINEAR_16_LIT; 90 break; 91 case SNDRV_PCM_FORMAT_S16_BE: 92 retval = AD1816A_FMT_LINEAR_16_BIG; 93 } 94 return (channels > 1) ? (retval | AD1816A_FMT_STEREO) : retval; 95} 96 97static int snd_ad1816a_open(struct snd_ad1816a *chip, unsigned int mode) 98{ 99 guard(spinlock_irqsave)(&chip->lock); 100 101 if (chip->mode & mode) 102 return -EAGAIN; 103 104 switch ((mode &= AD1816A_MODE_OPEN)) { 105 case AD1816A_MODE_PLAYBACK: 106 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 107 AD1816A_PLAYBACK_IRQ_PENDING, 0x00); 108 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 109 AD1816A_PLAYBACK_IRQ_ENABLE, 0xffff); 110 break; 111 case AD1816A_MODE_CAPTURE: 112 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 113 AD1816A_CAPTURE_IRQ_PENDING, 0x00); 114 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 115 AD1816A_CAPTURE_IRQ_ENABLE, 0xffff); 116 break; 117 case AD1816A_MODE_TIMER: 118 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 119 AD1816A_TIMER_IRQ_PENDING, 0x00); 120 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 121 AD1816A_TIMER_IRQ_ENABLE, 0xffff); 122 } 123 chip->mode |= mode; 124 125 return 0; 126} 127 128static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode) 129{ 130 guard(spinlock_irqsave)(&chip->lock); 131 132 switch ((mode &= AD1816A_MODE_OPEN)) { 133 case AD1816A_MODE_PLAYBACK: 134 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 135 AD1816A_PLAYBACK_IRQ_PENDING, 0x00); 136 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 137 AD1816A_PLAYBACK_IRQ_ENABLE, 0x0000); 138 break; 139 case AD1816A_MODE_CAPTURE: 140 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 141 AD1816A_CAPTURE_IRQ_PENDING, 0x00); 142 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 143 AD1816A_CAPTURE_IRQ_ENABLE, 0x0000); 144 break; 145 case AD1816A_MODE_TIMER: 146 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, 147 AD1816A_TIMER_IRQ_PENDING, 0x00); 148 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 149 AD1816A_TIMER_IRQ_ENABLE, 0x0000); 150 } 151 chip->mode &= ~mode; 152 if (!(chip->mode & AD1816A_MODE_OPEN)) 153 chip->mode = 0; 154} 155 156 157static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what, 158 int channel, int cmd, int iscapture) 159{ 160 int error = 0; 161 162 switch (cmd) { 163 case SNDRV_PCM_TRIGGER_START: 164 case SNDRV_PCM_TRIGGER_STOP: 165 scoped_guard(spinlock, &chip->lock) { 166 cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00; 167 /* if (what & AD1816A_PLAYBACK_ENABLE) */ 168 /* That is not valid, because playback and capture enable 169 * are the same bit pattern, just to different addresses 170 */ 171 if (!iscapture) 172 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, 173 AD1816A_PLAYBACK_ENABLE, cmd); 174 else 175 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, 176 AD1816A_CAPTURE_ENABLE, cmd); 177 } 178 break; 179 default: 180 dev_warn(chip->card->dev, "invalid trigger mode 0x%x.\n", what); 181 error = -EINVAL; 182 } 183 184 return error; 185} 186 187static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd) 188{ 189 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 190 return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE, 191 SNDRV_PCM_STREAM_PLAYBACK, cmd, 0); 192} 193 194static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd) 195{ 196 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 197 return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE, 198 SNDRV_PCM_STREAM_CAPTURE, cmd, 1); 199} 200 201static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream) 202{ 203 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 204 struct snd_pcm_runtime *runtime = substream->runtime; 205 unsigned int size, rate; 206 207 guard(spinlock_irqsave)(&chip->lock); 208 209 chip->p_dma_size = size = snd_pcm_lib_buffer_bytes(substream); 210 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, 211 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00); 212 213 snd_dma_program(chip->dma1, runtime->dma_addr, size, 214 DMA_MODE_WRITE | DMA_AUTOINIT); 215 216 rate = runtime->rate; 217 if (chip->clock_freq) 218 rate = (rate * 33000) / chip->clock_freq; 219 snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate); 220 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, 221 AD1816A_FMT_ALL | AD1816A_FMT_STEREO, 222 snd_ad1816a_get_format(chip, runtime->format, 223 runtime->channels)); 224 225 snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT, 226 snd_pcm_lib_period_bytes(substream) / 4 - 1); 227 return 0; 228} 229 230static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream) 231{ 232 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 233 struct snd_pcm_runtime *runtime = substream->runtime; 234 unsigned int size, rate; 235 236 guard(spinlock_irqsave)(&chip->lock); 237 238 chip->c_dma_size = size = snd_pcm_lib_buffer_bytes(substream); 239 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, 240 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00); 241 242 snd_dma_program(chip->dma2, runtime->dma_addr, size, 243 DMA_MODE_READ | DMA_AUTOINIT); 244 245 rate = runtime->rate; 246 if (chip->clock_freq) 247 rate = (rate * 33000) / chip->clock_freq; 248 snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate); 249 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, 250 AD1816A_FMT_ALL | AD1816A_FMT_STEREO, 251 snd_ad1816a_get_format(chip, runtime->format, 252 runtime->channels)); 253 254 snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT, 255 snd_pcm_lib_period_bytes(substream) / 4 - 1); 256 return 0; 257} 258 259 260static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream) 261{ 262 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 263 size_t ptr; 264 if (!(chip->mode & AD1816A_MODE_PLAYBACK)) 265 return 0; 266 ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size); 267 return bytes_to_frames(substream->runtime, ptr); 268} 269 270static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream) 271{ 272 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 273 size_t ptr; 274 if (!(chip->mode & AD1816A_MODE_CAPTURE)) 275 return 0; 276 ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size); 277 return bytes_to_frames(substream->runtime, ptr); 278} 279 280 281static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id) 282{ 283 struct snd_ad1816a *chip = dev_id; 284 unsigned char status; 285 286 scoped_guard(spinlock, &chip->lock) { 287 status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS); 288 } 289 290 if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream) 291 snd_pcm_period_elapsed(chip->playback_substream); 292 293 if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream) 294 snd_pcm_period_elapsed(chip->capture_substream); 295 296 if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer) 297 snd_timer_interrupt(chip->timer, chip->timer->sticks); 298 299 scoped_guard(spinlock, &chip->lock) { 300 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00); 301 } 302 return IRQ_HANDLED; 303} 304 305 306static const struct snd_pcm_hardware snd_ad1816a_playback = { 307 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 308 SNDRV_PCM_INFO_MMAP_VALID), 309 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | 310 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 311 SNDRV_PCM_FMTBIT_S16_BE), 312 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 313 .rate_min = 4000, 314 .rate_max = 55200, 315 .channels_min = 1, 316 .channels_max = 2, 317 .buffer_bytes_max = (128*1024), 318 .period_bytes_min = 64, 319 .period_bytes_max = (128*1024), 320 .periods_min = 1, 321 .periods_max = 1024, 322 .fifo_size = 0, 323}; 324 325static const struct snd_pcm_hardware snd_ad1816a_capture = { 326 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 327 SNDRV_PCM_INFO_MMAP_VALID), 328 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | 329 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 330 SNDRV_PCM_FMTBIT_S16_BE), 331 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 332 .rate_min = 4000, 333 .rate_max = 55200, 334 .channels_min = 1, 335 .channels_max = 2, 336 .buffer_bytes_max = (128*1024), 337 .period_bytes_min = 64, 338 .period_bytes_max = (128*1024), 339 .periods_min = 1, 340 .periods_max = 1024, 341 .fifo_size = 0, 342}; 343 344static int snd_ad1816a_timer_close(struct snd_timer *timer) 345{ 346 struct snd_ad1816a *chip = snd_timer_chip(timer); 347 snd_ad1816a_close(chip, AD1816A_MODE_TIMER); 348 return 0; 349} 350 351static int snd_ad1816a_timer_open(struct snd_timer *timer) 352{ 353 struct snd_ad1816a *chip = snd_timer_chip(timer); 354 snd_ad1816a_open(chip, AD1816A_MODE_TIMER); 355 return 0; 356} 357 358static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer) 359{ 360 if (snd_BUG_ON(!timer)) 361 return 0; 362 363 return 10000; 364} 365 366static int snd_ad1816a_timer_start(struct snd_timer *timer) 367{ 368 unsigned short bits; 369 struct snd_ad1816a *chip = snd_timer_chip(timer); 370 371 guard(spinlock_irqsave)(&chip->lock); 372 bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE); 373 374 if (!(bits & AD1816A_TIMER_ENABLE)) { 375 snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT, 376 timer->sticks & 0xffff); 377 378 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 379 AD1816A_TIMER_ENABLE, 0xffff); 380 } 381 return 0; 382} 383 384static int snd_ad1816a_timer_stop(struct snd_timer *timer) 385{ 386 struct snd_ad1816a *chip = snd_timer_chip(timer); 387 388 guard(spinlock_irqsave)(&chip->lock); 389 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, 390 AD1816A_TIMER_ENABLE, 0x0000); 391 return 0; 392} 393 394static const struct snd_timer_hardware snd_ad1816a_timer_table = { 395 .flags = SNDRV_TIMER_HW_AUTO, 396 .resolution = 10000, 397 .ticks = 65535, 398 .open = snd_ad1816a_timer_open, 399 .close = snd_ad1816a_timer_close, 400 .c_resolution = snd_ad1816a_timer_resolution, 401 .start = snd_ad1816a_timer_start, 402 .stop = snd_ad1816a_timer_stop, 403}; 404 405static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream) 406{ 407 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 408 struct snd_pcm_runtime *runtime = substream->runtime; 409 int error; 410 411 error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK); 412 if (error < 0) 413 return error; 414 runtime->hw = snd_ad1816a_playback; 415 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max); 416 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max); 417 chip->playback_substream = substream; 418 return 0; 419} 420 421static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream) 422{ 423 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 424 struct snd_pcm_runtime *runtime = substream->runtime; 425 int error; 426 427 error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE); 428 if (error < 0) 429 return error; 430 runtime->hw = snd_ad1816a_capture; 431 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); 432 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max); 433 chip->capture_substream = substream; 434 return 0; 435} 436 437static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream) 438{ 439 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 440 441 chip->playback_substream = NULL; 442 snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK); 443 return 0; 444} 445 446static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream) 447{ 448 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); 449 450 chip->capture_substream = NULL; 451 snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE); 452 return 0; 453} 454 455 456static void snd_ad1816a_init(struct snd_ad1816a *chip) 457{ 458 guard(spinlock_irqsave)(&chip->lock); 459 460 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00); 461 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, 462 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00); 463 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, 464 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00); 465 snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000); 466 snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG, 467 AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff); 468 snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000); 469 snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000); 470} 471 472#ifdef CONFIG_PM 473void snd_ad1816a_suspend(struct snd_ad1816a *chip) 474{ 475 int reg; 476 477 guard(spinlock_irqsave)(&chip->lock); 478 for (reg = 0; reg < 48; reg++) 479 chip->image[reg] = snd_ad1816a_read(chip, reg); 480} 481 482void snd_ad1816a_resume(struct snd_ad1816a *chip) 483{ 484 int reg; 485 486 snd_ad1816a_init(chip); 487 guard(spinlock_irqsave)(&chip->lock); 488 for (reg = 0; reg < 48; reg++) 489 snd_ad1816a_write(chip, reg, chip->image[reg]); 490} 491#endif 492 493static int snd_ad1816a_probe(struct snd_ad1816a *chip) 494{ 495 guard(spinlock_irqsave)(&chip->lock); 496 497 switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) { 498 case 0: 499 chip->hardware = AD1816A_HW_AD1815; 500 break; 501 case 1: 502 chip->hardware = AD1816A_HW_AD18MAX10; 503 break; 504 case 3: 505 chip->hardware = AD1816A_HW_AD1816A; 506 break; 507 default: 508 chip->hardware = AD1816A_HW_AUTO; 509 } 510 return 0; 511} 512 513static const char *snd_ad1816a_chip_id(struct snd_ad1816a *chip) 514{ 515 switch (chip->hardware) { 516 case AD1816A_HW_AD1816A: return "AD1816A"; 517 case AD1816A_HW_AD1815: return "AD1815"; 518 case AD1816A_HW_AD18MAX10: return "AD18max10"; 519 default: 520 dev_warn(chip->card->dev, "Unknown chip version %d:%d.\n", 521 chip->version, chip->hardware); 522 return "AD1816A - unknown"; 523 } 524} 525 526int snd_ad1816a_create(struct snd_card *card, 527 unsigned long port, int irq, int dma1, int dma2, 528 struct snd_ad1816a *chip) 529{ 530 int error; 531 532 chip->irq = -1; 533 chip->dma1 = -1; 534 chip->dma2 = -1; 535 536 chip->res_port = devm_request_region(card->dev, port, 16, "AD1816A"); 537 if (!chip->res_port) { 538 dev_err(card->dev, "ad1816a: can't grab port 0x%lx\n", port); 539 return -EBUSY; 540 } 541 if (devm_request_irq(card->dev, irq, snd_ad1816a_interrupt, 0, 542 "AD1816A", (void *) chip)) { 543 dev_err(card->dev, "ad1816a: can't grab IRQ %d\n", irq); 544 return -EBUSY; 545 } 546 chip->irq = irq; 547 card->sync_irq = chip->irq; 548 if (snd_devm_request_dma(card->dev, dma1, "AD1816A - 1")) { 549 dev_err(card->dev, "ad1816a: can't grab DMA1 %d\n", dma1); 550 return -EBUSY; 551 } 552 chip->dma1 = dma1; 553 if (snd_devm_request_dma(card->dev, dma2, "AD1816A - 2")) { 554 dev_err(card->dev, "ad1816a: can't grab DMA2 %d\n", dma2); 555 return -EBUSY; 556 } 557 chip->dma2 = dma2; 558 559 chip->card = card; 560 chip->port = port; 561 spin_lock_init(&chip->lock); 562 563 error = snd_ad1816a_probe(chip); 564 if (error) 565 return error; 566 567 snd_ad1816a_init(chip); 568 569 return 0; 570} 571 572static const struct snd_pcm_ops snd_ad1816a_playback_ops = { 573 .open = snd_ad1816a_playback_open, 574 .close = snd_ad1816a_playback_close, 575 .prepare = snd_ad1816a_playback_prepare, 576 .trigger = snd_ad1816a_playback_trigger, 577 .pointer = snd_ad1816a_playback_pointer, 578}; 579 580static const struct snd_pcm_ops snd_ad1816a_capture_ops = { 581 .open = snd_ad1816a_capture_open, 582 .close = snd_ad1816a_capture_close, 583 .prepare = snd_ad1816a_capture_prepare, 584 .trigger = snd_ad1816a_capture_trigger, 585 .pointer = snd_ad1816a_capture_pointer, 586}; 587 588int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device) 589{ 590 int error; 591 struct snd_pcm *pcm; 592 593 error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm); 594 if (error) 595 return error; 596 597 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops); 598 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops); 599 600 pcm->private_data = chip; 601 pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0; 602 603 strscpy(pcm->name, snd_ad1816a_chip_id(chip)); 604 snd_ad1816a_init(chip); 605 606 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, chip->card->dev, 607 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024); 608 609 chip->pcm = pcm; 610 return 0; 611} 612 613int snd_ad1816a_timer(struct snd_ad1816a *chip, int device) 614{ 615 struct snd_timer *timer; 616 struct snd_timer_id tid; 617 int error; 618 619 tid.dev_class = SNDRV_TIMER_CLASS_CARD; 620 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; 621 tid.card = chip->card->number; 622 tid.device = device; 623 tid.subdevice = 0; 624 error = snd_timer_new(chip->card, "AD1816A", &tid, &timer); 625 if (error < 0) 626 return error; 627 strscpy(timer->name, snd_ad1816a_chip_id(chip)); 628 timer->private_data = chip; 629 chip->timer = timer; 630 timer->hw = snd_ad1816a_timer_table; 631 return 0; 632} 633 634/* 635 * 636 */ 637 638static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 639{ 640 static const char * const texts[8] = { 641 "Line", "Mix", "CD", "Synth", "Video", 642 "Mic", "Phone", 643 }; 644 645 return snd_ctl_enum_info(uinfo, 2, 7, texts); 646} 647 648static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 649{ 650 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 651 unsigned short val; 652 653 guard(spinlock_irqsave)(&chip->lock); 654 val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL); 655 ucontrol->value.enumerated.item[0] = (val >> 12) & 7; 656 ucontrol->value.enumerated.item[1] = (val >> 4) & 7; 657 return 0; 658} 659 660static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 661{ 662 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 663 unsigned short val; 664 int change; 665 666 if (ucontrol->value.enumerated.item[0] > 6 || 667 ucontrol->value.enumerated.item[1] > 6) 668 return -EINVAL; 669 val = (ucontrol->value.enumerated.item[0] << 12) | 670 (ucontrol->value.enumerated.item[1] << 4); 671 guard(spinlock_irqsave)(&chip->lock); 672 change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val; 673 snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val); 674 return change; 675} 676 677#define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv) \ 678{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 679 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 680 .name = xname, .info = snd_ad1816a_info_single, \ 681 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \ 682 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ 683 .tlv = { .p = (xtlv) } } 684#define AD1816A_SINGLE(xname, reg, shift, mask, invert) \ 685{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \ 686 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \ 687 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 688 689static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 690{ 691 int mask = (kcontrol->private_value >> 16) & 0xff; 692 693 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 694 uinfo->count = 1; 695 uinfo->value.integer.min = 0; 696 uinfo->value.integer.max = mask; 697 return 0; 698} 699 700static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 701{ 702 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 703 int reg = kcontrol->private_value & 0xff; 704 int shift = (kcontrol->private_value >> 8) & 0xff; 705 int mask = (kcontrol->private_value >> 16) & 0xff; 706 int invert = (kcontrol->private_value >> 24) & 0xff; 707 708 guard(spinlock_irqsave)(&chip->lock); 709 ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask; 710 if (invert) 711 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 712 return 0; 713} 714 715static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 716{ 717 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 718 int reg = kcontrol->private_value & 0xff; 719 int shift = (kcontrol->private_value >> 8) & 0xff; 720 int mask = (kcontrol->private_value >> 16) & 0xff; 721 int invert = (kcontrol->private_value >> 24) & 0xff; 722 int change; 723 unsigned short old_val, val; 724 725 val = (ucontrol->value.integer.value[0] & mask); 726 if (invert) 727 val = mask - val; 728 val <<= shift; 729 guard(spinlock_irqsave)(&chip->lock); 730 old_val = snd_ad1816a_read(chip, reg); 731 val = (old_val & ~(mask << shift)) | val; 732 change = val != old_val; 733 snd_ad1816a_write(chip, reg, val); 734 return change; 735} 736 737#define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ 738{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ 739 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ 740 .name = xname, .info = snd_ad1816a_info_double, \ 741 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \ 742 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \ 743 .tlv = { .p = (xtlv) } } 744 745#define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ 746{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \ 747 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \ 748 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) } 749 750static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 751{ 752 int mask = (kcontrol->private_value >> 16) & 0xff; 753 754 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 755 uinfo->count = 2; 756 uinfo->value.integer.min = 0; 757 uinfo->value.integer.max = mask; 758 return 0; 759} 760 761static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 762{ 763 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 764 int reg = kcontrol->private_value & 0xff; 765 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 766 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 767 int mask = (kcontrol->private_value >> 16) & 0xff; 768 int invert = (kcontrol->private_value >> 24) & 0xff; 769 unsigned short val; 770 771 guard(spinlock_irqsave)(&chip->lock); 772 val = snd_ad1816a_read(chip, reg); 773 ucontrol->value.integer.value[0] = (val >> shift_left) & mask; 774 ucontrol->value.integer.value[1] = (val >> shift_right) & mask; 775 if (invert) { 776 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 777 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 778 } 779 return 0; 780} 781 782static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 783{ 784 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); 785 int reg = kcontrol->private_value & 0xff; 786 int shift_left = (kcontrol->private_value >> 8) & 0x0f; 787 int shift_right = (kcontrol->private_value >> 12) & 0x0f; 788 int mask = (kcontrol->private_value >> 16) & 0xff; 789 int invert = (kcontrol->private_value >> 24) & 0xff; 790 int change; 791 unsigned short old_val, val1, val2; 792 793 val1 = ucontrol->value.integer.value[0] & mask; 794 val2 = ucontrol->value.integer.value[1] & mask; 795 if (invert) { 796 val1 = mask - val1; 797 val2 = mask - val2; 798 } 799 val1 <<= shift_left; 800 val2 <<= shift_right; 801 guard(spinlock_irqsave)(&chip->lock); 802 old_val = snd_ad1816a_read(chip, reg); 803 val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 804 change = val1 != old_val; 805 snd_ad1816a_write(chip, reg, val1); 806 return change; 807} 808 809static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); 810static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); 811static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); 812static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); 813static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); 814 815static const struct snd_kcontrol_new snd_ad1816a_controls[] = { 816AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1), 817AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1, 818 db_scale_5bit), 819AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1), 820AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1, 821 db_scale_6bit), 822AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1), 823AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1, 824 db_scale_5bit_12db_max), 825AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1), 826AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1, 827 db_scale_5bit_12db_max), 828AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1), 829AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1, 830 db_scale_5bit_12db_max), 831AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1), 832AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1, 833 db_scale_6bit), 834AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1), 835AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1, 836 db_scale_5bit_12db_max), 837AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0), 838AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1), 839AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1, 840 db_scale_5bit_12db_max), 841AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1), 842AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1, 843 db_scale_4bit), 844AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1), 845AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1, 846 db_scale_5bit), 847{ 848 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 849 .name = "Capture Source", 850 .info = snd_ad1816a_info_mux, 851 .get = snd_ad1816a_get_mux, 852 .put = snd_ad1816a_put_mux, 853}, 854AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1), 855AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0, 856 db_scale_rec_gain), 857AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1), 858AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0), 859}; 860 861int snd_ad1816a_mixer(struct snd_ad1816a *chip) 862{ 863 struct snd_card *card; 864 unsigned int idx; 865 int err; 866 867 if (snd_BUG_ON(!chip || !chip->card)) 868 return -EINVAL; 869 870 card = chip->card; 871 872 strscpy(card->mixername, snd_ad1816a_chip_id(chip)); 873 874 for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) { 875 err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip)); 876 if (err < 0) 877 return err; 878 } 879 return 0; 880}
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