1 // SPDX-License-Identifier: GPL-2.0-or-later
3 ad1816a.c - lowlevel code for Analog Devices AD1816A chip.
4 Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>
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>
14 #include <sound/core.h>
15 #include <sound/tlv.h>
16 #include <sound/ad1816a.h>
20 static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip)
24 for (timeout = 1000; timeout-- > 0; udelay(10))
25 if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY)
28 snd_printk(KERN_WARNING "chip busy.\n");
32 static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg)
34 snd_ad1816a_busy_wait(chip);
35 return inb(AD1816A_REG(reg));
38 static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg,
41 snd_ad1816a_busy_wait(chip);
42 outb(value, AD1816A_REG(reg));
45 static inline void snd_ad1816a_out_mask(struct snd_ad1816a *chip, unsigned char reg,
46 unsigned char mask, unsigned char value)
48 snd_ad1816a_out(chip, reg,
49 (value & mask) | (snd_ad1816a_in(chip, reg) & ~mask));
52 static unsigned short snd_ad1816a_read(struct snd_ad1816a *chip, unsigned char reg)
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);
59 static void snd_ad1816a_write(struct snd_ad1816a *chip, unsigned char reg,
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);
67 static void snd_ad1816a_write_mask(struct snd_ad1816a *chip, unsigned char reg,
68 unsigned short mask, unsigned short value)
70 snd_ad1816a_write(chip, reg,
71 (value & mask) | (snd_ad1816a_read(chip, reg) & ~mask));
75 static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip,
76 snd_pcm_format_t format,
79 unsigned char retval = AD1816A_FMT_LINEAR_8;
82 case SNDRV_PCM_FORMAT_MU_LAW:
83 retval = AD1816A_FMT_ULAW_8;
85 case SNDRV_PCM_FORMAT_A_LAW:
86 retval = AD1816A_FMT_ALAW_8;
88 case SNDRV_PCM_FORMAT_S16_LE:
89 retval = AD1816A_FMT_LINEAR_16_LIT;
91 case SNDRV_PCM_FORMAT_S16_BE:
92 retval = AD1816A_FMT_LINEAR_16_BIG;
94 return (channels > 1) ? (retval | AD1816A_FMT_STEREO) : retval;
97 static int snd_ad1816a_open(struct snd_ad1816a *chip, unsigned int mode)
101 spin_lock_irqsave(&chip->lock, flags);
103 if (chip->mode & mode) {
104 spin_unlock_irqrestore(&chip->lock, flags);
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);
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);
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);
129 spin_unlock_irqrestore(&chip->lock, flags);
133 static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode)
137 spin_lock_irqsave(&chip->lock, flags);
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);
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);
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);
158 if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN))
161 spin_unlock_irqrestore(&chip->lock, flags);
165 static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what,
166 int channel, int cmd, int iscapture)
171 case SNDRV_PCM_TRIGGER_START:
172 case SNDRV_PCM_TRIGGER_STOP:
173 spin_lock(&chip->lock);
174 cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00;
175 /* if (what & AD1816A_PLAYBACK_ENABLE) */
176 /* That is not valid, because playback and capture enable
177 * are the same bit pattern, just to different addresses
180 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
181 AD1816A_PLAYBACK_ENABLE, cmd);
183 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
184 AD1816A_CAPTURE_ENABLE, cmd);
185 spin_unlock(&chip->lock);
188 snd_printk(KERN_WARNING "invalid trigger mode 0x%x.\n", what);
195 static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd)
197 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
198 return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE,
199 SNDRV_PCM_STREAM_PLAYBACK, cmd, 0);
202 static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd)
204 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
205 return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE,
206 SNDRV_PCM_STREAM_CAPTURE, cmd, 1);
209 static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream)
211 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
213 struct snd_pcm_runtime *runtime = substream->runtime;
214 unsigned int size, rate;
216 spin_lock_irqsave(&chip->lock, flags);
218 chip->p_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
219 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
220 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
222 snd_dma_program(chip->dma1, runtime->dma_addr, size,
223 DMA_MODE_WRITE | DMA_AUTOINIT);
225 rate = runtime->rate;
226 if (chip->clock_freq)
227 rate = (rate * 33000) / chip->clock_freq;
228 snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate);
229 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
230 AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
231 snd_ad1816a_get_format(chip, runtime->format,
234 snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT,
235 snd_pcm_lib_period_bytes(substream) / 4 - 1);
237 spin_unlock_irqrestore(&chip->lock, flags);
241 static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream)
243 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
245 struct snd_pcm_runtime *runtime = substream->runtime;
246 unsigned int size, rate;
248 spin_lock_irqsave(&chip->lock, flags);
250 chip->c_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
251 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
252 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
254 snd_dma_program(chip->dma2, runtime->dma_addr, size,
255 DMA_MODE_READ | DMA_AUTOINIT);
257 rate = runtime->rate;
258 if (chip->clock_freq)
259 rate = (rate * 33000) / chip->clock_freq;
260 snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate);
261 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
262 AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
263 snd_ad1816a_get_format(chip, runtime->format,
266 snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT,
267 snd_pcm_lib_period_bytes(substream) / 4 - 1);
269 spin_unlock_irqrestore(&chip->lock, flags);
274 static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream)
276 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
278 if (!(chip->mode & AD1816A_MODE_PLAYBACK))
280 ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
281 return bytes_to_frames(substream->runtime, ptr);
284 static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream)
286 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
288 if (!(chip->mode & AD1816A_MODE_CAPTURE))
290 ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
291 return bytes_to_frames(substream->runtime, ptr);
295 static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id)
297 struct snd_ad1816a *chip = dev_id;
298 unsigned char status;
300 spin_lock(&chip->lock);
301 status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS);
302 spin_unlock(&chip->lock);
304 if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream)
305 snd_pcm_period_elapsed(chip->playback_substream);
307 if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream)
308 snd_pcm_period_elapsed(chip->capture_substream);
310 if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer)
311 snd_timer_interrupt(chip->timer, chip->timer->sticks);
313 spin_lock(&chip->lock);
314 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
315 spin_unlock(&chip->lock);
320 static const struct snd_pcm_hardware snd_ad1816a_playback = {
321 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
322 SNDRV_PCM_INFO_MMAP_VALID),
323 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
324 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
325 SNDRV_PCM_FMTBIT_S16_BE),
326 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
331 .buffer_bytes_max = (128*1024),
332 .period_bytes_min = 64,
333 .period_bytes_max = (128*1024),
339 static const struct snd_pcm_hardware snd_ad1816a_capture = {
340 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
341 SNDRV_PCM_INFO_MMAP_VALID),
342 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
343 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
344 SNDRV_PCM_FMTBIT_S16_BE),
345 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
350 .buffer_bytes_max = (128*1024),
351 .period_bytes_min = 64,
352 .period_bytes_max = (128*1024),
358 static int snd_ad1816a_timer_close(struct snd_timer *timer)
360 struct snd_ad1816a *chip = snd_timer_chip(timer);
361 snd_ad1816a_close(chip, AD1816A_MODE_TIMER);
365 static int snd_ad1816a_timer_open(struct snd_timer *timer)
367 struct snd_ad1816a *chip = snd_timer_chip(timer);
368 snd_ad1816a_open(chip, AD1816A_MODE_TIMER);
372 static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer)
374 if (snd_BUG_ON(!timer))
380 static int snd_ad1816a_timer_start(struct snd_timer *timer)
384 struct snd_ad1816a *chip = snd_timer_chip(timer);
385 spin_lock_irqsave(&chip->lock, flags);
386 bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE);
388 if (!(bits & AD1816A_TIMER_ENABLE)) {
389 snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT,
390 timer->sticks & 0xffff);
392 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
393 AD1816A_TIMER_ENABLE, 0xffff);
395 spin_unlock_irqrestore(&chip->lock, flags);
399 static int snd_ad1816a_timer_stop(struct snd_timer *timer)
402 struct snd_ad1816a *chip = snd_timer_chip(timer);
403 spin_lock_irqsave(&chip->lock, flags);
405 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
406 AD1816A_TIMER_ENABLE, 0x0000);
408 spin_unlock_irqrestore(&chip->lock, flags);
412 static const struct snd_timer_hardware snd_ad1816a_timer_table = {
413 .flags = SNDRV_TIMER_HW_AUTO,
416 .open = snd_ad1816a_timer_open,
417 .close = snd_ad1816a_timer_close,
418 .c_resolution = snd_ad1816a_timer_resolution,
419 .start = snd_ad1816a_timer_start,
420 .stop = snd_ad1816a_timer_stop,
423 static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream)
425 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
426 struct snd_pcm_runtime *runtime = substream->runtime;
429 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0)
431 runtime->hw = snd_ad1816a_playback;
432 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
433 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
434 chip->playback_substream = substream;
438 static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream)
440 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
441 struct snd_pcm_runtime *runtime = substream->runtime;
444 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0)
446 runtime->hw = snd_ad1816a_capture;
447 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
448 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
449 chip->capture_substream = substream;
453 static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream)
455 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
457 chip->playback_substream = NULL;
458 snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK);
462 static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream)
464 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
466 chip->capture_substream = NULL;
467 snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE);
472 static void snd_ad1816a_init(struct snd_ad1816a *chip)
476 spin_lock_irqsave(&chip->lock, flags);
478 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
479 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
480 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
481 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
482 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
483 snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000);
484 snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG,
485 AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff);
486 snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000);
487 snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000);
489 spin_unlock_irqrestore(&chip->lock, flags);
493 void snd_ad1816a_suspend(struct snd_ad1816a *chip)
498 spin_lock_irqsave(&chip->lock, flags);
499 for (reg = 0; reg < 48; reg++)
500 chip->image[reg] = snd_ad1816a_read(chip, reg);
501 spin_unlock_irqrestore(&chip->lock, flags);
504 void snd_ad1816a_resume(struct snd_ad1816a *chip)
509 snd_ad1816a_init(chip);
510 spin_lock_irqsave(&chip->lock, flags);
511 for (reg = 0; reg < 48; reg++)
512 snd_ad1816a_write(chip, reg, chip->image[reg]);
513 spin_unlock_irqrestore(&chip->lock, flags);
517 static int snd_ad1816a_probe(struct snd_ad1816a *chip)
521 spin_lock_irqsave(&chip->lock, flags);
523 switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) {
525 chip->hardware = AD1816A_HW_AD1815;
528 chip->hardware = AD1816A_HW_AD18MAX10;
531 chip->hardware = AD1816A_HW_AD1816A;
534 chip->hardware = AD1816A_HW_AUTO;
537 spin_unlock_irqrestore(&chip->lock, flags);
541 static int snd_ad1816a_free(struct snd_ad1816a *chip)
543 release_and_free_resource(chip->res_port);
545 free_irq(chip->irq, (void *) chip);
546 if (chip->dma1 >= 0) {
547 snd_dma_disable(chip->dma1);
548 free_dma(chip->dma1);
550 if (chip->dma2 >= 0) {
551 snd_dma_disable(chip->dma2);
552 free_dma(chip->dma2);
557 static int snd_ad1816a_dev_free(struct snd_device *device)
559 struct snd_ad1816a *chip = device->device_data;
560 return snd_ad1816a_free(chip);
563 static const char *snd_ad1816a_chip_id(struct snd_ad1816a *chip)
565 switch (chip->hardware) {
566 case AD1816A_HW_AD1816A: return "AD1816A";
567 case AD1816A_HW_AD1815: return "AD1815";
568 case AD1816A_HW_AD18MAX10: return "AD18max10";
570 snd_printk(KERN_WARNING "Unknown chip version %d:%d.\n",
571 chip->version, chip->hardware);
572 return "AD1816A - unknown";
576 int snd_ad1816a_create(struct snd_card *card,
577 unsigned long port, int irq, int dma1, int dma2,
578 struct snd_ad1816a *chip)
580 static const struct snd_device_ops ops = {
581 .dev_free = snd_ad1816a_dev_free,
589 if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) {
590 snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port);
591 snd_ad1816a_free(chip);
594 if (request_irq(irq, snd_ad1816a_interrupt, 0, "AD1816A", (void *) chip)) {
595 snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq);
596 snd_ad1816a_free(chip);
600 card->sync_irq = chip->irq;
601 if (request_dma(dma1, "AD1816A - 1")) {
602 snd_printk(KERN_ERR "ad1816a: can't grab DMA1 %d\n", dma1);
603 snd_ad1816a_free(chip);
607 if (request_dma(dma2, "AD1816A - 2")) {
608 snd_printk(KERN_ERR "ad1816a: can't grab DMA2 %d\n", dma2);
609 snd_ad1816a_free(chip);
616 spin_lock_init(&chip->lock);
618 if ((error = snd_ad1816a_probe(chip))) {
619 snd_ad1816a_free(chip);
623 snd_ad1816a_init(chip);
625 /* Register device */
626 if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
627 snd_ad1816a_free(chip);
634 static const struct snd_pcm_ops snd_ad1816a_playback_ops = {
635 .open = snd_ad1816a_playback_open,
636 .close = snd_ad1816a_playback_close,
637 .prepare = snd_ad1816a_playback_prepare,
638 .trigger = snd_ad1816a_playback_trigger,
639 .pointer = snd_ad1816a_playback_pointer,
642 static const struct snd_pcm_ops snd_ad1816a_capture_ops = {
643 .open = snd_ad1816a_capture_open,
644 .close = snd_ad1816a_capture_close,
645 .prepare = snd_ad1816a_capture_prepare,
646 .trigger = snd_ad1816a_capture_trigger,
647 .pointer = snd_ad1816a_capture_pointer,
650 int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device)
655 if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm)))
658 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops);
659 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops);
661 pcm->private_data = chip;
662 pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0;
664 strcpy(pcm->name, snd_ad1816a_chip_id(chip));
665 snd_ad1816a_init(chip);
667 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, chip->card->dev,
668 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
674 int snd_ad1816a_timer(struct snd_ad1816a *chip, int device)
676 struct snd_timer *timer;
677 struct snd_timer_id tid;
680 tid.dev_class = SNDRV_TIMER_CLASS_CARD;
681 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
682 tid.card = chip->card->number;
685 if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0)
687 strcpy(timer->name, snd_ad1816a_chip_id(chip));
688 timer->private_data = chip;
690 timer->hw = snd_ad1816a_timer_table;
698 static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
700 static const char * const texts[8] = {
701 "Line", "Mix", "CD", "Synth", "Video",
705 return snd_ctl_enum_info(uinfo, 2, 7, texts);
708 static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
710 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
714 spin_lock_irqsave(&chip->lock, flags);
715 val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL);
716 spin_unlock_irqrestore(&chip->lock, flags);
717 ucontrol->value.enumerated.item[0] = (val >> 12) & 7;
718 ucontrol->value.enumerated.item[1] = (val >> 4) & 7;
722 static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
724 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
729 if (ucontrol->value.enumerated.item[0] > 6 ||
730 ucontrol->value.enumerated.item[1] > 6)
732 val = (ucontrol->value.enumerated.item[0] << 12) |
733 (ucontrol->value.enumerated.item[1] << 4);
734 spin_lock_irqsave(&chip->lock, flags);
735 change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val;
736 snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val);
737 spin_unlock_irqrestore(&chip->lock, flags);
741 #define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv) \
742 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
743 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
744 .name = xname, .info = snd_ad1816a_info_single, \
745 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
746 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
747 .tlv = { .p = (xtlv) } }
748 #define AD1816A_SINGLE(xname, reg, shift, mask, invert) \
749 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \
750 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
751 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
753 static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
755 int mask = (kcontrol->private_value >> 16) & 0xff;
757 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
759 uinfo->value.integer.min = 0;
760 uinfo->value.integer.max = mask;
764 static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
766 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
768 int reg = kcontrol->private_value & 0xff;
769 int shift = (kcontrol->private_value >> 8) & 0xff;
770 int mask = (kcontrol->private_value >> 16) & 0xff;
771 int invert = (kcontrol->private_value >> 24) & 0xff;
773 spin_lock_irqsave(&chip->lock, flags);
774 ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask;
775 spin_unlock_irqrestore(&chip->lock, flags);
777 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
781 static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
783 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
785 int reg = kcontrol->private_value & 0xff;
786 int shift = (kcontrol->private_value >> 8) & 0xff;
787 int mask = (kcontrol->private_value >> 16) & 0xff;
788 int invert = (kcontrol->private_value >> 24) & 0xff;
790 unsigned short old_val, val;
792 val = (ucontrol->value.integer.value[0] & mask);
796 spin_lock_irqsave(&chip->lock, flags);
797 old_val = snd_ad1816a_read(chip, reg);
798 val = (old_val & ~(mask << shift)) | val;
799 change = val != old_val;
800 snd_ad1816a_write(chip, reg, val);
801 spin_unlock_irqrestore(&chip->lock, flags);
805 #define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
806 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
807 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
808 .name = xname, .info = snd_ad1816a_info_double, \
809 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
810 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
811 .tlv = { .p = (xtlv) } }
813 #define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
814 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \
815 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
816 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
818 static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
820 int mask = (kcontrol->private_value >> 16) & 0xff;
822 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
824 uinfo->value.integer.min = 0;
825 uinfo->value.integer.max = mask;
829 static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
831 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
833 int reg = kcontrol->private_value & 0xff;
834 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
835 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
836 int mask = (kcontrol->private_value >> 16) & 0xff;
837 int invert = (kcontrol->private_value >> 24) & 0xff;
840 spin_lock_irqsave(&chip->lock, flags);
841 val = snd_ad1816a_read(chip, reg);
842 ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
843 ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
844 spin_unlock_irqrestore(&chip->lock, flags);
846 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
847 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
852 static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
854 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
856 int reg = kcontrol->private_value & 0xff;
857 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
858 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
859 int mask = (kcontrol->private_value >> 16) & 0xff;
860 int invert = (kcontrol->private_value >> 24) & 0xff;
862 unsigned short old_val, val1, val2;
864 val1 = ucontrol->value.integer.value[0] & mask;
865 val2 = ucontrol->value.integer.value[1] & mask;
871 val2 <<= shift_right;
872 spin_lock_irqsave(&chip->lock, flags);
873 old_val = snd_ad1816a_read(chip, reg);
874 val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
875 change = val1 != old_val;
876 snd_ad1816a_write(chip, reg, val1);
877 spin_unlock_irqrestore(&chip->lock, flags);
881 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
882 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
883 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
884 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
885 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
887 static const struct snd_kcontrol_new snd_ad1816a_controls[] = {
888 AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
889 AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1,
891 AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),
892 AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1,
894 AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),
895 AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1,
896 db_scale_5bit_12db_max),
897 AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),
898 AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1,
899 db_scale_5bit_12db_max),
900 AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),
901 AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1,
902 db_scale_5bit_12db_max),
903 AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
904 AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1,
906 AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
907 AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1,
908 db_scale_5bit_12db_max),
909 AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
910 AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
911 AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1,
912 db_scale_5bit_12db_max),
913 AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),
914 AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1,
916 AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),
917 AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1,
920 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
921 .name = "Capture Source",
922 .info = snd_ad1816a_info_mux,
923 .get = snd_ad1816a_get_mux,
924 .put = snd_ad1816a_put_mux,
926 AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),
927 AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0,
929 AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),
930 AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),
933 int snd_ad1816a_mixer(struct snd_ad1816a *chip)
935 struct snd_card *card;
939 if (snd_BUG_ON(!chip || !chip->card))
944 strcpy(card->mixername, snd_ad1816a_chip_id(chip));
946 for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) {
947 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0)