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1// SPDX-License-Identifier: GPL-2.0-or-later2/*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 unsigned long flags;100 101 spin_lock_irqsave(&chip->lock, flags);102 103 if (chip->mode & mode) {104 spin_unlock_irqrestore(&chip->lock, flags);105 return -EAGAIN;106 }107 108 switch ((mode &= AD1816A_MODE_OPEN)) {109 case AD1816A_MODE_PLAYBACK:110 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,111 AD1816A_PLAYBACK_IRQ_PENDING, 0x00);112 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,113 AD1816A_PLAYBACK_IRQ_ENABLE, 0xffff);114 break;115 case AD1816A_MODE_CAPTURE:116 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,117 AD1816A_CAPTURE_IRQ_PENDING, 0x00);118 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,119 AD1816A_CAPTURE_IRQ_ENABLE, 0xffff);120 break;121 case AD1816A_MODE_TIMER:122 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,123 AD1816A_TIMER_IRQ_PENDING, 0x00);124 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,125 AD1816A_TIMER_IRQ_ENABLE, 0xffff);126 }127 chip->mode |= mode;128 129 spin_unlock_irqrestore(&chip->lock, flags);130 return 0;131}132 133static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode)134{135 unsigned long flags;136 137 spin_lock_irqsave(&chip->lock, flags);138 139 switch ((mode &= AD1816A_MODE_OPEN)) {140 case AD1816A_MODE_PLAYBACK:141 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,142 AD1816A_PLAYBACK_IRQ_PENDING, 0x00);143 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,144 AD1816A_PLAYBACK_IRQ_ENABLE, 0x0000);145 break;146 case AD1816A_MODE_CAPTURE:147 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,148 AD1816A_CAPTURE_IRQ_PENDING, 0x00);149 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,150 AD1816A_CAPTURE_IRQ_ENABLE, 0x0000);151 break;152 case AD1816A_MODE_TIMER:153 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,154 AD1816A_TIMER_IRQ_PENDING, 0x00);155 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,156 AD1816A_TIMER_IRQ_ENABLE, 0x0000);157 }158 chip->mode &= ~mode;159 if (!(chip->mode & AD1816A_MODE_OPEN))160 chip->mode = 0;161 162 spin_unlock_irqrestore(&chip->lock, flags);163}164 165 166static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what,167 int channel, int cmd, int iscapture)168{169 int error = 0;170 171 switch (cmd) {172 case SNDRV_PCM_TRIGGER_START:173 case SNDRV_PCM_TRIGGER_STOP:174 spin_lock(&chip->lock);175 cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00;176 /* if (what & AD1816A_PLAYBACK_ENABLE) */177 /* That is not valid, because playback and capture enable178 * are the same bit pattern, just to different addresses179 */180 if (! iscapture)181 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,182 AD1816A_PLAYBACK_ENABLE, cmd);183 else184 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,185 AD1816A_CAPTURE_ENABLE, cmd);186 spin_unlock(&chip->lock);187 break;188 default:189 dev_warn(chip->card->dev, "invalid trigger mode 0x%x.\n", what);190 error = -EINVAL;191 }192 193 return error;194}195 196static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd)197{198 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);199 return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE,200 SNDRV_PCM_STREAM_PLAYBACK, cmd, 0);201}202 203static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd)204{205 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);206 return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE,207 SNDRV_PCM_STREAM_CAPTURE, cmd, 1);208}209 210static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream)211{212 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);213 unsigned long flags;214 struct snd_pcm_runtime *runtime = substream->runtime;215 unsigned int size, rate;216 217 spin_lock_irqsave(&chip->lock, flags);218 219 chip->p_dma_size = size = snd_pcm_lib_buffer_bytes(substream);220 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,221 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);222 223 snd_dma_program(chip->dma1, runtime->dma_addr, size,224 DMA_MODE_WRITE | DMA_AUTOINIT);225 226 rate = runtime->rate;227 if (chip->clock_freq)228 rate = (rate * 33000) / chip->clock_freq;229 snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate);230 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,231 AD1816A_FMT_ALL | AD1816A_FMT_STEREO,232 snd_ad1816a_get_format(chip, runtime->format,233 runtime->channels));234 235 snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT,236 snd_pcm_lib_period_bytes(substream) / 4 - 1);237 238 spin_unlock_irqrestore(&chip->lock, flags);239 return 0;240}241 242static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream)243{244 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);245 unsigned long flags;246 struct snd_pcm_runtime *runtime = substream->runtime;247 unsigned int size, rate;248 249 spin_lock_irqsave(&chip->lock, flags);250 251 chip->c_dma_size = size = snd_pcm_lib_buffer_bytes(substream);252 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,253 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);254 255 snd_dma_program(chip->dma2, runtime->dma_addr, size,256 DMA_MODE_READ | DMA_AUTOINIT);257 258 rate = runtime->rate;259 if (chip->clock_freq)260 rate = (rate * 33000) / chip->clock_freq;261 snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate);262 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,263 AD1816A_FMT_ALL | AD1816A_FMT_STEREO,264 snd_ad1816a_get_format(chip, runtime->format,265 runtime->channels));266 267 snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT,268 snd_pcm_lib_period_bytes(substream) / 4 - 1);269 270 spin_unlock_irqrestore(&chip->lock, flags);271 return 0;272}273 274 275static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream)276{277 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);278 size_t ptr;279 if (!(chip->mode & AD1816A_MODE_PLAYBACK))280 return 0;281 ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);282 return bytes_to_frames(substream->runtime, ptr);283}284 285static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream)286{287 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);288 size_t ptr;289 if (!(chip->mode & AD1816A_MODE_CAPTURE))290 return 0;291 ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);292 return bytes_to_frames(substream->runtime, ptr);293}294 295 296static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id)297{298 struct snd_ad1816a *chip = dev_id;299 unsigned char status;300 301 spin_lock(&chip->lock);302 status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS);303 spin_unlock(&chip->lock);304 305 if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream)306 snd_pcm_period_elapsed(chip->playback_substream);307 308 if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream)309 snd_pcm_period_elapsed(chip->capture_substream);310 311 if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer)312 snd_timer_interrupt(chip->timer, chip->timer->sticks);313 314 spin_lock(&chip->lock);315 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);316 spin_unlock(&chip->lock);317 return IRQ_HANDLED;318}319 320 321static const struct snd_pcm_hardware snd_ad1816a_playback = {322 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |323 SNDRV_PCM_INFO_MMAP_VALID),324 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |325 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |326 SNDRV_PCM_FMTBIT_S16_BE),327 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,328 .rate_min = 4000,329 .rate_max = 55200,330 .channels_min = 1,331 .channels_max = 2,332 .buffer_bytes_max = (128*1024),333 .period_bytes_min = 64,334 .period_bytes_max = (128*1024),335 .periods_min = 1,336 .periods_max = 1024,337 .fifo_size = 0,338};339 340static const struct snd_pcm_hardware snd_ad1816a_capture = {341 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |342 SNDRV_PCM_INFO_MMAP_VALID),343 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |344 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |345 SNDRV_PCM_FMTBIT_S16_BE),346 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,347 .rate_min = 4000,348 .rate_max = 55200,349 .channels_min = 1,350 .channels_max = 2,351 .buffer_bytes_max = (128*1024),352 .period_bytes_min = 64,353 .period_bytes_max = (128*1024),354 .periods_min = 1,355 .periods_max = 1024,356 .fifo_size = 0,357};358 359static int snd_ad1816a_timer_close(struct snd_timer *timer)360{361 struct snd_ad1816a *chip = snd_timer_chip(timer);362 snd_ad1816a_close(chip, AD1816A_MODE_TIMER);363 return 0;364}365 366static int snd_ad1816a_timer_open(struct snd_timer *timer)367{368 struct snd_ad1816a *chip = snd_timer_chip(timer);369 snd_ad1816a_open(chip, AD1816A_MODE_TIMER);370 return 0;371}372 373static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer)374{375 if (snd_BUG_ON(!timer))376 return 0;377 378 return 10000;379}380 381static int snd_ad1816a_timer_start(struct snd_timer *timer)382{383 unsigned short bits;384 unsigned long flags;385 struct snd_ad1816a *chip = snd_timer_chip(timer);386 spin_lock_irqsave(&chip->lock, flags);387 bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE);388 389 if (!(bits & AD1816A_TIMER_ENABLE)) {390 snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT,391 timer->sticks & 0xffff);392 393 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,394 AD1816A_TIMER_ENABLE, 0xffff);395 }396 spin_unlock_irqrestore(&chip->lock, flags);397 return 0;398}399 400static int snd_ad1816a_timer_stop(struct snd_timer *timer)401{402 unsigned long flags;403 struct snd_ad1816a *chip = snd_timer_chip(timer);404 spin_lock_irqsave(&chip->lock, flags);405 406 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,407 AD1816A_TIMER_ENABLE, 0x0000);408 409 spin_unlock_irqrestore(&chip->lock, flags);410 return 0;411}412 413static const struct snd_timer_hardware snd_ad1816a_timer_table = {414 .flags = SNDRV_TIMER_HW_AUTO,415 .resolution = 10000,416 .ticks = 65535,417 .open = snd_ad1816a_timer_open,418 .close = snd_ad1816a_timer_close,419 .c_resolution = snd_ad1816a_timer_resolution,420 .start = snd_ad1816a_timer_start,421 .stop = snd_ad1816a_timer_stop,422};423 424static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream)425{426 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);427 struct snd_pcm_runtime *runtime = substream->runtime;428 int error;429 430 error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK);431 if (error < 0)432 return error;433 runtime->hw = snd_ad1816a_playback;434 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);435 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);436 chip->playback_substream = substream;437 return 0;438}439 440static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream)441{442 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);443 struct snd_pcm_runtime *runtime = substream->runtime;444 int error;445 446 error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE);447 if (error < 0)448 return error;449 runtime->hw = snd_ad1816a_capture;450 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);451 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);452 chip->capture_substream = substream;453 return 0;454}455 456static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream)457{458 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);459 460 chip->playback_substream = NULL;461 snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK);462 return 0;463}464 465static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream)466{467 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);468 469 chip->capture_substream = NULL;470 snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE);471 return 0;472}473 474 475static void snd_ad1816a_init(struct snd_ad1816a *chip)476{477 unsigned long flags;478 479 spin_lock_irqsave(&chip->lock, flags);480 481 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);482 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,483 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);484 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,485 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);486 snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000);487 snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG,488 AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff);489 snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000);490 snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000);491 492 spin_unlock_irqrestore(&chip->lock, flags);493}494 495#ifdef CONFIG_PM496void snd_ad1816a_suspend(struct snd_ad1816a *chip)497{498 int reg;499 unsigned long flags;500 501 spin_lock_irqsave(&chip->lock, flags);502 for (reg = 0; reg < 48; reg++)503 chip->image[reg] = snd_ad1816a_read(chip, reg);504 spin_unlock_irqrestore(&chip->lock, flags);505}506 507void snd_ad1816a_resume(struct snd_ad1816a *chip)508{509 int reg;510 unsigned long flags;511 512 snd_ad1816a_init(chip);513 spin_lock_irqsave(&chip->lock, flags);514 for (reg = 0; reg < 48; reg++)515 snd_ad1816a_write(chip, reg, chip->image[reg]);516 spin_unlock_irqrestore(&chip->lock, flags);517}518#endif519 520static int snd_ad1816a_probe(struct snd_ad1816a *chip)521{522 unsigned long flags;523 524 spin_lock_irqsave(&chip->lock, flags);525 526 switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) {527 case 0:528 chip->hardware = AD1816A_HW_AD1815;529 break;530 case 1:531 chip->hardware = AD1816A_HW_AD18MAX10;532 break;533 case 3:534 chip->hardware = AD1816A_HW_AD1816A;535 break;536 default:537 chip->hardware = AD1816A_HW_AUTO;538 }539 540 spin_unlock_irqrestore(&chip->lock, flags);541 return 0;542}543 544static const char *snd_ad1816a_chip_id(struct snd_ad1816a *chip)545{546 switch (chip->hardware) {547 case AD1816A_HW_AD1816A: return "AD1816A";548 case AD1816A_HW_AD1815: return "AD1815";549 case AD1816A_HW_AD18MAX10: return "AD18max10";550 default:551 dev_warn(chip->card->dev, "Unknown chip version %d:%d.\n",552 chip->version, chip->hardware);553 return "AD1816A - unknown";554 }555}556 557int snd_ad1816a_create(struct snd_card *card,558 unsigned long port, int irq, int dma1, int dma2,559 struct snd_ad1816a *chip)560{561 int error;562 563 chip->irq = -1;564 chip->dma1 = -1;565 chip->dma2 = -1;566 567 chip->res_port = devm_request_region(card->dev, port, 16, "AD1816A");568 if (!chip->res_port) {569 dev_err(card->dev, "ad1816a: can't grab port 0x%lx\n", port);570 return -EBUSY;571 }572 if (devm_request_irq(card->dev, irq, snd_ad1816a_interrupt, 0,573 "AD1816A", (void *) chip)) {574 dev_err(card->dev, "ad1816a: can't grab IRQ %d\n", irq);575 return -EBUSY;576 }577 chip->irq = irq;578 card->sync_irq = chip->irq;579 if (snd_devm_request_dma(card->dev, dma1, "AD1816A - 1")) {580 dev_err(card->dev, "ad1816a: can't grab DMA1 %d\n", dma1);581 return -EBUSY;582 }583 chip->dma1 = dma1;584 if (snd_devm_request_dma(card->dev, dma2, "AD1816A - 2")) {585 dev_err(card->dev, "ad1816a: can't grab DMA2 %d\n", dma2);586 return -EBUSY;587 }588 chip->dma2 = dma2;589 590 chip->card = card;591 chip->port = port;592 spin_lock_init(&chip->lock);593 594 error = snd_ad1816a_probe(chip);595 if (error)596 return error;597 598 snd_ad1816a_init(chip);599 600 return 0;601}602 603static const struct snd_pcm_ops snd_ad1816a_playback_ops = {604 .open = snd_ad1816a_playback_open,605 .close = snd_ad1816a_playback_close,606 .prepare = snd_ad1816a_playback_prepare,607 .trigger = snd_ad1816a_playback_trigger,608 .pointer = snd_ad1816a_playback_pointer,609};610 611static const struct snd_pcm_ops snd_ad1816a_capture_ops = {612 .open = snd_ad1816a_capture_open,613 .close = snd_ad1816a_capture_close,614 .prepare = snd_ad1816a_capture_prepare,615 .trigger = snd_ad1816a_capture_trigger,616 .pointer = snd_ad1816a_capture_pointer,617};618 619int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device)620{621 int error;622 struct snd_pcm *pcm;623 624 error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm);625 if (error)626 return error;627 628 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops);629 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops);630 631 pcm->private_data = chip;632 pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0;633 634 strcpy(pcm->name, snd_ad1816a_chip_id(chip));635 snd_ad1816a_init(chip);636 637 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, chip->card->dev,638 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);639 640 chip->pcm = pcm;641 return 0;642}643 644int snd_ad1816a_timer(struct snd_ad1816a *chip, int device)645{646 struct snd_timer *timer;647 struct snd_timer_id tid;648 int error;649 650 tid.dev_class = SNDRV_TIMER_CLASS_CARD;651 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;652 tid.card = chip->card->number;653 tid.device = device;654 tid.subdevice = 0;655 error = snd_timer_new(chip->card, "AD1816A", &tid, &timer);656 if (error < 0)657 return error;658 strcpy(timer->name, snd_ad1816a_chip_id(chip));659 timer->private_data = chip;660 chip->timer = timer;661 timer->hw = snd_ad1816a_timer_table;662 return 0;663}664 665/*666 *667 */668 669static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)670{671 static const char * const texts[8] = {672 "Line", "Mix", "CD", "Synth", "Video",673 "Mic", "Phone",674 };675 676 return snd_ctl_enum_info(uinfo, 2, 7, texts);677}678 679static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)680{681 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);682 unsigned long flags;683 unsigned short val;684 685 spin_lock_irqsave(&chip->lock, flags);686 val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL);687 spin_unlock_irqrestore(&chip->lock, flags);688 ucontrol->value.enumerated.item[0] = (val >> 12) & 7;689 ucontrol->value.enumerated.item[1] = (val >> 4) & 7;690 return 0;691}692 693static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)694{695 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);696 unsigned long flags;697 unsigned short val;698 int change;699 700 if (ucontrol->value.enumerated.item[0] > 6 ||701 ucontrol->value.enumerated.item[1] > 6)702 return -EINVAL;703 val = (ucontrol->value.enumerated.item[0] << 12) |704 (ucontrol->value.enumerated.item[1] << 4);705 spin_lock_irqsave(&chip->lock, flags);706 change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val;707 snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val);708 spin_unlock_irqrestore(&chip->lock, flags);709 return change;710}711 712#define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv) \713{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \714 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \715 .name = xname, .info = snd_ad1816a_info_single, \716 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \717 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \718 .tlv = { .p = (xtlv) } }719#define AD1816A_SINGLE(xname, reg, shift, mask, invert) \720{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \721 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \722 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }723 724static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)725{726 int mask = (kcontrol->private_value >> 16) & 0xff;727 728 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;729 uinfo->count = 1;730 uinfo->value.integer.min = 0;731 uinfo->value.integer.max = mask;732 return 0;733}734 735static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)736{737 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);738 unsigned long flags;739 int reg = kcontrol->private_value & 0xff;740 int shift = (kcontrol->private_value >> 8) & 0xff;741 int mask = (kcontrol->private_value >> 16) & 0xff;742 int invert = (kcontrol->private_value >> 24) & 0xff;743 744 spin_lock_irqsave(&chip->lock, flags);745 ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask;746 spin_unlock_irqrestore(&chip->lock, flags);747 if (invert)748 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];749 return 0;750}751 752static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)753{754 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);755 unsigned long flags;756 int reg = kcontrol->private_value & 0xff;757 int shift = (kcontrol->private_value >> 8) & 0xff;758 int mask = (kcontrol->private_value >> 16) & 0xff;759 int invert = (kcontrol->private_value >> 24) & 0xff;760 int change;761 unsigned short old_val, val;762 763 val = (ucontrol->value.integer.value[0] & mask);764 if (invert)765 val = mask - val;766 val <<= shift;767 spin_lock_irqsave(&chip->lock, flags);768 old_val = snd_ad1816a_read(chip, reg);769 val = (old_val & ~(mask << shift)) | val;770 change = val != old_val;771 snd_ad1816a_write(chip, reg, val);772 spin_unlock_irqrestore(&chip->lock, flags);773 return change;774}775 776#define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \777{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \778 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \779 .name = xname, .info = snd_ad1816a_info_double, \780 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \781 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \782 .tlv = { .p = (xtlv) } }783 784#define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \785{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \786 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \787 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }788 789static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)790{791 int mask = (kcontrol->private_value >> 16) & 0xff;792 793 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;794 uinfo->count = 2;795 uinfo->value.integer.min = 0;796 uinfo->value.integer.max = mask;797 return 0;798}799 800static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)801{802 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);803 unsigned long flags;804 int reg = kcontrol->private_value & 0xff;805 int shift_left = (kcontrol->private_value >> 8) & 0x0f;806 int shift_right = (kcontrol->private_value >> 12) & 0x0f;807 int mask = (kcontrol->private_value >> 16) & 0xff;808 int invert = (kcontrol->private_value >> 24) & 0xff;809 unsigned short val;810 811 spin_lock_irqsave(&chip->lock, flags);812 val = snd_ad1816a_read(chip, reg);813 ucontrol->value.integer.value[0] = (val >> shift_left) & mask;814 ucontrol->value.integer.value[1] = (val >> shift_right) & mask;815 spin_unlock_irqrestore(&chip->lock, flags);816 if (invert) {817 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];818 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];819 }820 return 0;821}822 823static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)824{825 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);826 unsigned long flags;827 int reg = kcontrol->private_value & 0xff;828 int shift_left = (kcontrol->private_value >> 8) & 0x0f;829 int shift_right = (kcontrol->private_value >> 12) & 0x0f;830 int mask = (kcontrol->private_value >> 16) & 0xff;831 int invert = (kcontrol->private_value >> 24) & 0xff;832 int change;833 unsigned short old_val, val1, val2;834 835 val1 = ucontrol->value.integer.value[0] & mask;836 val2 = ucontrol->value.integer.value[1] & mask;837 if (invert) {838 val1 = mask - val1;839 val2 = mask - val2;840 }841 val1 <<= shift_left;842 val2 <<= shift_right;843 spin_lock_irqsave(&chip->lock, flags);844 old_val = snd_ad1816a_read(chip, reg);845 val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;846 change = val1 != old_val;847 snd_ad1816a_write(chip, reg, val1);848 spin_unlock_irqrestore(&chip->lock, flags);849 return change;850}851 852static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);853static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);854static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);855static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);856static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);857 858static const struct snd_kcontrol_new snd_ad1816a_controls[] = {859AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),860AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1,861 db_scale_5bit),862AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),863AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1,864 db_scale_6bit),865AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),866AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1,867 db_scale_5bit_12db_max),868AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),869AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1,870 db_scale_5bit_12db_max),871AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),872AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1,873 db_scale_5bit_12db_max),874AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),875AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1,876 db_scale_6bit),877AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),878AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1,879 db_scale_5bit_12db_max),880AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),881AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),882AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1,883 db_scale_5bit_12db_max),884AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),885AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1,886 db_scale_4bit),887AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),888AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1,889 db_scale_5bit),890{891 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,892 .name = "Capture Source",893 .info = snd_ad1816a_info_mux,894 .get = snd_ad1816a_get_mux,895 .put = snd_ad1816a_put_mux,896},897AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),898AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0,899 db_scale_rec_gain),900AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),901AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),902};903 904int snd_ad1816a_mixer(struct snd_ad1816a *chip)905{906 struct snd_card *card;907 unsigned int idx;908 int err;909 910 if (snd_BUG_ON(!chip || !chip->card))911 return -EINVAL;912 913 card = chip->card;914 915 strcpy(card->mixername, snd_ad1816a_chip_id(chip));916 917 for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) {918 err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip));919 if (err < 0)920 return err;921 }922 return 0;923}924