3 ad1816a.c - lowlevel code for Analog Devices AD1816A chip.
4 Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <sound/driver.h>
22 #include <linux/delay.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/slab.h>
26 #include <linux/ioport.h>
27 #include <sound/core.h>
28 #include <sound/ad1816a.h>
33 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
34 MODULE_DESCRIPTION("lowlevel code for Analog Devices AD1816A chip");
35 MODULE_LICENSE("GPL");
37 static inline int snd_ad1816a_busy_wait(ad1816a_t *chip)
41 for (timeout = 1000; timeout-- > 0; udelay(10))
42 if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY)
45 snd_printk("chip busy.\n");
49 static inline unsigned char snd_ad1816a_in(ad1816a_t *chip, unsigned char reg)
51 snd_ad1816a_busy_wait(chip);
52 return inb(AD1816A_REG(reg));
55 static inline void snd_ad1816a_out(ad1816a_t *chip, unsigned char reg,
58 snd_ad1816a_busy_wait(chip);
59 outb(value, AD1816A_REG(reg));
62 static inline void snd_ad1816a_out_mask(ad1816a_t *chip, unsigned char reg,
63 unsigned char mask, unsigned char value)
65 snd_ad1816a_out(chip, reg,
66 (value & mask) | (snd_ad1816a_in(chip, reg) & ~mask));
69 static unsigned short snd_ad1816a_read(ad1816a_t *chip, unsigned char reg)
71 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
72 return snd_ad1816a_in(chip, AD1816A_INDIR_DATA_LOW) |
73 (snd_ad1816a_in(chip, AD1816A_INDIR_DATA_HIGH) << 8);
76 static void snd_ad1816a_write(ad1816a_t *chip, unsigned char reg,
79 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
80 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_LOW, value & 0xff);
81 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_HIGH, (value >> 8) & 0xff);
84 static void snd_ad1816a_write_mask(ad1816a_t *chip, unsigned char reg,
85 unsigned short mask, unsigned short value)
87 snd_ad1816a_write(chip, reg,
88 (value & mask) | (snd_ad1816a_read(chip, reg) & ~mask));
92 static unsigned char snd_ad1816a_get_format(ad1816a_t *chip,
93 unsigned int format, int channels)
95 unsigned char retval = AD1816A_FMT_LINEAR_8;
98 case SNDRV_PCM_FORMAT_MU_LAW:
99 retval = AD1816A_FMT_ULAW_8;
101 case SNDRV_PCM_FORMAT_A_LAW:
102 retval = AD1816A_FMT_ALAW_8;
104 case SNDRV_PCM_FORMAT_S16_LE:
105 retval = AD1816A_FMT_LINEAR_16_LIT;
107 case SNDRV_PCM_FORMAT_S16_BE:
108 retval = AD1816A_FMT_LINEAR_16_BIG;
110 return (channels > 1) ? (retval | AD1816A_FMT_STEREO) : retval;
113 static int snd_ad1816a_open(ad1816a_t *chip, unsigned int mode)
117 spin_lock_irqsave(&chip->lock, flags);
119 if (chip->mode & mode) {
120 spin_unlock_irqrestore(&chip->lock, flags);
124 switch ((mode &= AD1816A_MODE_OPEN)) {
125 case AD1816A_MODE_PLAYBACK:
126 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
127 AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
128 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
129 AD1816A_PLAYBACK_IRQ_ENABLE, 0xffff);
131 case AD1816A_MODE_CAPTURE:
132 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
133 AD1816A_CAPTURE_IRQ_PENDING, 0x00);
134 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
135 AD1816A_CAPTURE_IRQ_ENABLE, 0xffff);
137 case AD1816A_MODE_TIMER:
138 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
139 AD1816A_TIMER_IRQ_PENDING, 0x00);
140 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
141 AD1816A_TIMER_IRQ_ENABLE, 0xffff);
145 spin_unlock_irqrestore(&chip->lock, flags);
149 static void snd_ad1816a_close(ad1816a_t *chip, unsigned int mode)
153 spin_lock_irqsave(&chip->lock, flags);
155 switch ((mode &= AD1816A_MODE_OPEN)) {
156 case AD1816A_MODE_PLAYBACK:
157 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
158 AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
159 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
160 AD1816A_PLAYBACK_IRQ_ENABLE, 0x0000);
162 case AD1816A_MODE_CAPTURE:
163 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
164 AD1816A_CAPTURE_IRQ_PENDING, 0x00);
165 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
166 AD1816A_CAPTURE_IRQ_ENABLE, 0x0000);
168 case AD1816A_MODE_TIMER:
169 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
170 AD1816A_TIMER_IRQ_PENDING, 0x00);
171 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
172 AD1816A_TIMER_IRQ_ENABLE, 0x0000);
174 if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN))
177 spin_unlock_irqrestore(&chip->lock, flags);
181 static int snd_ad1816a_trigger(ad1816a_t *chip, unsigned char what,
182 int channel, int cmd)
187 case SNDRV_PCM_TRIGGER_START:
188 case SNDRV_PCM_TRIGGER_STOP:
189 spin_lock(&chip->lock);
190 cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00;
191 if (what & AD1816A_PLAYBACK_ENABLE)
192 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
193 AD1816A_PLAYBACK_ENABLE, cmd);
194 if (what & AD1816A_CAPTURE_ENABLE)
195 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
196 AD1816A_CAPTURE_ENABLE, cmd);
197 spin_unlock(&chip->lock);
200 snd_printk("invalid trigger mode 0x%x.\n", what);
207 static int snd_ad1816a_playback_trigger(snd_pcm_substream_t *substream, int cmd)
209 ad1816a_t *chip = snd_pcm_substream_chip(substream);
210 return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE,
211 SNDRV_PCM_STREAM_PLAYBACK, cmd);
214 static int snd_ad1816a_capture_trigger(snd_pcm_substream_t *substream, int cmd)
216 ad1816a_t *chip = snd_pcm_substream_chip(substream);
217 return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE,
218 SNDRV_PCM_STREAM_CAPTURE, cmd);
221 static int snd_ad1816a_hw_params(snd_pcm_substream_t * substream,
222 snd_pcm_hw_params_t * hw_params)
224 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
227 static int snd_ad1816a_hw_free(snd_pcm_substream_t * substream)
229 return snd_pcm_lib_free_pages(substream);
232 static int snd_ad1816a_playback_prepare(snd_pcm_substream_t *substream)
234 ad1816a_t *chip = snd_pcm_substream_chip(substream);
236 snd_pcm_runtime_t *runtime = substream->runtime;
237 unsigned int size, rate;
239 spin_lock_irqsave(&chip->lock, flags);
241 chip->p_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
242 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
243 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
245 snd_dma_program(chip->dma1, runtime->dma_addr, size,
246 DMA_MODE_WRITE | DMA_AUTOINIT);
248 rate = runtime->rate;
249 if (chip->clock_freq)
250 rate = (rate * 33000) / chip->clock_freq;
251 snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate);
252 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
253 AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
254 snd_ad1816a_get_format(chip, runtime->format,
257 snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT,
258 snd_pcm_lib_period_bytes(substream) / 4 - 1);
260 spin_unlock_irqrestore(&chip->lock, flags);
264 static int snd_ad1816a_capture_prepare(snd_pcm_substream_t *substream)
266 ad1816a_t *chip = snd_pcm_substream_chip(substream);
268 snd_pcm_runtime_t *runtime = substream->runtime;
269 unsigned int size, rate;
271 spin_lock_irqsave(&chip->lock, flags);
273 chip->c_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
274 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
275 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
277 snd_dma_program(chip->dma2, runtime->dma_addr, size,
278 DMA_MODE_READ | DMA_AUTOINIT);
280 rate = runtime->rate;
281 if (chip->clock_freq)
282 rate = (rate * 33000) / chip->clock_freq;
283 snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate);
284 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
285 AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
286 snd_ad1816a_get_format(chip, runtime->format,
289 snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT,
290 snd_pcm_lib_period_bytes(substream) / 4 - 1);
292 spin_unlock_irqrestore(&chip->lock, flags);
297 static snd_pcm_uframes_t snd_ad1816a_playback_pointer(snd_pcm_substream_t *substream)
299 ad1816a_t *chip = snd_pcm_substream_chip(substream);
301 if (!(chip->mode & AD1816A_MODE_PLAYBACK))
303 ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
304 return bytes_to_frames(substream->runtime, ptr);
307 static snd_pcm_uframes_t snd_ad1816a_capture_pointer(snd_pcm_substream_t *substream)
309 ad1816a_t *chip = snd_pcm_substream_chip(substream);
311 if (!(chip->mode & AD1816A_MODE_CAPTURE))
313 ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
314 return bytes_to_frames(substream->runtime, ptr);
318 static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id, struct pt_regs *regs)
320 ad1816a_t *chip = dev_id;
321 unsigned char status;
323 spin_lock(&chip->lock);
324 status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS);
325 spin_unlock(&chip->lock);
327 if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream)
328 snd_pcm_period_elapsed(chip->playback_substream);
330 if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream)
331 snd_pcm_period_elapsed(chip->capture_substream);
333 if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer)
334 snd_timer_interrupt(chip->timer, chip->timer->sticks);
336 spin_lock(&chip->lock);
337 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
338 spin_unlock(&chip->lock);
343 static snd_pcm_hardware_t snd_ad1816a_playback = {
344 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
345 SNDRV_PCM_INFO_MMAP_VALID),
346 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
347 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
348 SNDRV_PCM_FMTBIT_S16_BE),
349 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
354 .buffer_bytes_max = (128*1024),
355 .period_bytes_min = 64,
356 .period_bytes_max = (128*1024),
362 static snd_pcm_hardware_t snd_ad1816a_capture = {
363 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
364 SNDRV_PCM_INFO_MMAP_VALID),
365 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
366 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
367 SNDRV_PCM_FMTBIT_S16_BE),
368 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
373 .buffer_bytes_max = (128*1024),
374 .period_bytes_min = 64,
375 .period_bytes_max = (128*1024),
381 #if 0 /* not used now */
382 static int snd_ad1816a_timer_close(snd_timer_t *timer)
384 ad1816a_t *chip = snd_timer_chip(timer);
385 snd_ad1816a_close(chip, AD1816A_MODE_TIMER);
389 static int snd_ad1816a_timer_open(snd_timer_t *timer)
391 ad1816a_t *chip = snd_timer_chip(timer);
392 snd_ad1816a_open(chip, AD1816A_MODE_TIMER);
396 static unsigned long snd_ad1816a_timer_resolution(snd_timer_t *timer)
398 snd_assert(timer != NULL, return 0);
403 static int snd_ad1816a_timer_start(snd_timer_t *timer)
407 ad1816a_t *chip = snd_timer_chip(timer);
408 spin_lock_irqsave(&chip->lock, flags);
409 bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE);
411 if (!(bits & AD1816A_TIMER_ENABLE)) {
412 snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT,
413 timer->sticks & 0xffff);
415 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
416 AD1816A_TIMER_ENABLE, 0xffff);
418 spin_unlock_irqrestore(&chip->lock, flags);
422 static int snd_ad1816a_timer_stop(snd_timer_t *timer)
425 ad1816a_t *chip = snd_timer_chip(timer);
426 spin_lock_irqsave(&chip->lock, flags);
428 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
429 AD1816A_TIMER_ENABLE, 0x0000);
431 spin_unlock_irqrestore(&chip->lock, flags);
435 static struct _snd_timer_hardware snd_ad1816a_timer_table = {
436 .flags = SNDRV_TIMER_HW_AUTO,
439 .open = snd_ad1816a_timer_open,
440 .close = snd_ad1816a_timer_close,
441 .c_resolution = snd_ad1816a_timer_resolution,
442 .start = snd_ad1816a_timer_start,
443 .stop = snd_ad1816a_timer_stop,
445 #endif /* not used now */
448 static int snd_ad1816a_playback_open(snd_pcm_substream_t *substream)
450 ad1816a_t *chip = snd_pcm_substream_chip(substream);
451 snd_pcm_runtime_t *runtime = substream->runtime;
454 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0)
456 snd_pcm_set_sync(substream);
457 runtime->hw = snd_ad1816a_playback;
458 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
459 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
460 chip->playback_substream = substream;
464 static int snd_ad1816a_capture_open(snd_pcm_substream_t *substream)
466 ad1816a_t *chip = snd_pcm_substream_chip(substream);
467 snd_pcm_runtime_t *runtime = substream->runtime;
470 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0)
472 snd_pcm_set_sync(substream);
473 runtime->hw = snd_ad1816a_capture;
474 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
475 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
476 chip->capture_substream = substream;
480 static int snd_ad1816a_playback_close(snd_pcm_substream_t *substream)
482 ad1816a_t *chip = snd_pcm_substream_chip(substream);
484 chip->playback_substream = NULL;
485 snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK);
489 static int snd_ad1816a_capture_close(snd_pcm_substream_t *substream)
491 ad1816a_t *chip = snd_pcm_substream_chip(substream);
493 chip->capture_substream = NULL;
494 snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE);
499 static void snd_ad1816a_init(ad1816a_t *chip)
503 spin_lock_irqsave(&chip->lock, flags);
505 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
506 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
507 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
508 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
509 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
510 snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000);
511 snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG,
512 AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff);
513 snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000);
514 snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000);
516 spin_unlock_irqrestore(&chip->lock, flags);
519 static int snd_ad1816a_probe(ad1816a_t *chip)
523 spin_lock_irqsave(&chip->lock, flags);
525 switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) {
527 chip->hardware = AD1816A_HW_AD1815;
530 chip->hardware = AD1816A_HW_AD18MAX10;
533 chip->hardware = AD1816A_HW_AD1816A;
536 chip->hardware = AD1816A_HW_AUTO;
539 spin_unlock_irqrestore(&chip->lock, flags);
543 static int snd_ad1816a_free(ad1816a_t *chip)
545 if (chip->res_port) {
546 release_resource(chip->res_port);
547 kfree_nocheck(chip->res_port);
550 free_irq(chip->irq, (void *) chip);
551 if (chip->dma1 >= 0) {
552 snd_dma_disable(chip->dma1);
553 free_dma(chip->dma1);
555 if (chip->dma2 >= 0) {
556 snd_dma_disable(chip->dma2);
557 free_dma(chip->dma2);
563 static int snd_ad1816a_dev_free(snd_device_t *device)
565 ad1816a_t *chip = device->device_data;
566 return snd_ad1816a_free(chip);
569 static const char *snd_ad1816a_chip_id(ad1816a_t *chip)
571 switch (chip->hardware) {
572 case AD1816A_HW_AD1816A: return "AD1816A";
573 case AD1816A_HW_AD1815: return "AD1815";
574 case AD1816A_HW_AD18MAX10: return "AD18max10";
576 snd_printk("Unknown chip version %d:%d.\n",
577 chip->version, chip->hardware);
578 return "AD1816A - unknown";
582 int snd_ad1816a_create(snd_card_t *card,
583 unsigned long port, int irq, int dma1, int dma2,
586 static snd_device_ops_t ops = {
587 .dev_free = snd_ad1816a_dev_free,
594 chip = kcalloc(1, sizeof(*chip), GFP_KERNEL);
601 if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) {
602 snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port);
603 snd_ad1816a_free(chip);
606 if (request_irq(irq, snd_ad1816a_interrupt, SA_INTERRUPT, "AD1816A", (void *) chip)) {
607 snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq);
608 snd_ad1816a_free(chip);
612 if (request_dma(dma1, "AD1816A - 1")) {
613 snd_printk(KERN_ERR "ad1816a: can't grab DMA1 %d\n", dma1);
614 snd_ad1816a_free(chip);
618 if (request_dma(dma2, "AD1816A - 2")) {
619 snd_printk(KERN_ERR "ad1816a: can't grab DMA2 %d\n", dma2);
620 snd_ad1816a_free(chip);
627 spin_lock_init(&chip->lock);
629 if ((error = snd_ad1816a_probe(chip))) {
630 snd_ad1816a_free(chip);
634 snd_ad1816a_init(chip);
636 /* Register device */
637 if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
638 snd_ad1816a_free(chip);
646 static snd_pcm_ops_t snd_ad1816a_playback_ops = {
647 .open = snd_ad1816a_playback_open,
648 .close = snd_ad1816a_playback_close,
649 .ioctl = snd_pcm_lib_ioctl,
650 .hw_params = snd_ad1816a_hw_params,
651 .hw_free = snd_ad1816a_hw_free,
652 .prepare = snd_ad1816a_playback_prepare,
653 .trigger = snd_ad1816a_playback_trigger,
654 .pointer = snd_ad1816a_playback_pointer,
657 static snd_pcm_ops_t snd_ad1816a_capture_ops = {
658 .open = snd_ad1816a_capture_open,
659 .close = snd_ad1816a_capture_close,
660 .ioctl = snd_pcm_lib_ioctl,
661 .hw_params = snd_ad1816a_hw_params,
662 .hw_free = snd_ad1816a_hw_free,
663 .prepare = snd_ad1816a_capture_prepare,
664 .trigger = snd_ad1816a_capture_trigger,
665 .pointer = snd_ad1816a_capture_pointer,
668 static void snd_ad1816a_pcm_free(snd_pcm_t *pcm)
670 ad1816a_t *chip = pcm->private_data;
672 snd_pcm_lib_preallocate_free_for_all(pcm);
675 int snd_ad1816a_pcm(ad1816a_t *chip, int device, snd_pcm_t **rpcm)
680 if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm)))
683 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops);
684 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops);
686 pcm->private_data = chip;
687 pcm->private_free = snd_ad1816a_pcm_free;
688 pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0;
690 strcpy(pcm->name, snd_ad1816a_chip_id(chip));
691 snd_ad1816a_init(chip);
693 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
695 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
703 #if 0 /* not used now */
704 static void snd_ad1816a_timer_free(snd_timer_t *timer)
706 ad1816a_t *chip = timer->private_data;
710 int snd_ad1816a_timer(ad1816a_t *chip, int device, snd_timer_t **rtimer)
716 tid.dev_class = SNDRV_TIMER_CLASS_CARD;
717 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
718 tid.card = chip->card->number;
721 if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0)
723 strcpy(timer->name, snd_ad1816a_chip_id(chip));
724 timer->private_data = chip;
725 timer->private_free = snd_ad1816a_timer_free;
727 timer->hw = snd_ad1816a_timer_table;
732 #endif /* not used now */
738 static int snd_ad1816a_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
740 static char *texts[8] = {
741 "Line", "Mix", "CD", "Synth", "Video",
745 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
747 uinfo->value.enumerated.items = 7;
748 if (uinfo->value.enumerated.item > 6)
749 uinfo->value.enumerated.item = 6;
750 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
754 static int snd_ad1816a_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
756 ad1816a_t *chip = snd_kcontrol_chip(kcontrol);
760 spin_lock_irqsave(&chip->lock, flags);
761 val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL);
762 spin_unlock_irqrestore(&chip->lock, flags);
763 ucontrol->value.enumerated.item[0] = (val >> 12) & 7;
764 ucontrol->value.enumerated.item[1] = (val >> 4) & 7;
768 static int snd_ad1816a_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
770 ad1816a_t *chip = snd_kcontrol_chip(kcontrol);
775 if (ucontrol->value.enumerated.item[0] > 6 ||
776 ucontrol->value.enumerated.item[1] > 6)
778 val = (ucontrol->value.enumerated.item[0] << 12) |
779 (ucontrol->value.enumerated.item[1] << 4);
780 spin_lock_irqsave(&chip->lock, flags);
781 change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val;
782 snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val);
783 spin_unlock_irqrestore(&chip->lock, flags);
787 #define AD1816A_SINGLE(xname, reg, shift, mask, invert) \
788 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \
789 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
790 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
792 static int snd_ad1816a_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
794 int mask = (kcontrol->private_value >> 16) & 0xff;
796 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
798 uinfo->value.integer.min = 0;
799 uinfo->value.integer.max = mask;
803 static int snd_ad1816a_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
805 ad1816a_t *chip = snd_kcontrol_chip(kcontrol);
807 int reg = kcontrol->private_value & 0xff;
808 int shift = (kcontrol->private_value >> 8) & 0xff;
809 int mask = (kcontrol->private_value >> 16) & 0xff;
810 int invert = (kcontrol->private_value >> 24) & 0xff;
812 spin_lock_irqsave(&chip->lock, flags);
813 ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask;
814 spin_unlock_irqrestore(&chip->lock, flags);
816 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
820 static int snd_ad1816a_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
822 ad1816a_t *chip = snd_kcontrol_chip(kcontrol);
824 int reg = kcontrol->private_value & 0xff;
825 int shift = (kcontrol->private_value >> 8) & 0xff;
826 int mask = (kcontrol->private_value >> 16) & 0xff;
827 int invert = (kcontrol->private_value >> 24) & 0xff;
829 unsigned short old_val, val;
831 val = (ucontrol->value.integer.value[0] & mask);
835 spin_lock_irqsave(&chip->lock, flags);
836 old_val = snd_ad1816a_read(chip, reg);
837 val = (old_val & ~(mask << shift)) | val;
838 change = val != old_val;
839 snd_ad1816a_write(chip, reg, val);
840 spin_unlock_irqrestore(&chip->lock, flags);
844 #define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
845 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \
846 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
847 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
849 static int snd_ad1816a_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
851 int mask = (kcontrol->private_value >> 16) & 0xff;
853 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
855 uinfo->value.integer.min = 0;
856 uinfo->value.integer.max = mask;
860 static int snd_ad1816a_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
862 ad1816a_t *chip = snd_kcontrol_chip(kcontrol);
864 int reg = kcontrol->private_value & 0xff;
865 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
866 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
867 int mask = (kcontrol->private_value >> 16) & 0xff;
868 int invert = (kcontrol->private_value >> 24) & 0xff;
871 spin_lock_irqsave(&chip->lock, flags);
872 val = snd_ad1816a_read(chip, reg);
873 ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
874 ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
875 spin_unlock_irqrestore(&chip->lock, flags);
877 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
878 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
883 static int snd_ad1816a_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
885 ad1816a_t *chip = snd_kcontrol_chip(kcontrol);
887 int reg = kcontrol->private_value & 0xff;
888 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
889 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
890 int mask = (kcontrol->private_value >> 16) & 0xff;
891 int invert = (kcontrol->private_value >> 24) & 0xff;
893 unsigned short old_val, val1, val2;
895 val1 = ucontrol->value.integer.value[0] & mask;
896 val2 = ucontrol->value.integer.value[1] & mask;
902 val2 <<= shift_right;
903 spin_lock_irqsave(&chip->lock, flags);
904 old_val = snd_ad1816a_read(chip, reg);
905 val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
906 change = val1 != old_val;
907 snd_ad1816a_write(chip, reg, val1);
908 spin_unlock_irqrestore(&chip->lock, flags);
912 static snd_kcontrol_new_t snd_ad1816a_controls[] = {
913 AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
914 AD1816A_DOUBLE("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1),
915 AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),
916 AD1816A_DOUBLE("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1),
917 AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),
918 AD1816A_DOUBLE("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1),
919 AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),
920 AD1816A_DOUBLE("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1),
921 AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),
922 AD1816A_DOUBLE("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1),
923 AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
924 AD1816A_DOUBLE("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1),
925 AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
926 AD1816A_SINGLE("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1),
927 AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
928 AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
929 AD1816A_DOUBLE("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1),
930 AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),
931 AD1816A_SINGLE("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1),
932 AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),
933 AD1816A_SINGLE("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1),
935 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
936 .name = "Capture Source",
937 .info = snd_ad1816a_info_mux,
938 .get = snd_ad1816a_get_mux,
939 .put = snd_ad1816a_put_mux,
941 AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),
942 AD1816A_DOUBLE("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0),
943 AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),
944 AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),
947 int snd_ad1816a_mixer(ad1816a_t *chip)
953 snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
957 strcpy(card->mixername, snd_ad1816a_chip_id(chip));
959 for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) {
960 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0)
966 EXPORT_SYMBOL(snd_ad1816a_create);
967 EXPORT_SYMBOL(snd_ad1816a_pcm);
968 EXPORT_SYMBOL(snd_ad1816a_mixer);
970 static int __init alsa_ad1816a_init(void)
975 static void __exit alsa_ad1816a_exit(void)
979 module_init(alsa_ad1816a_init)
980 module_exit(alsa_ad1816a_exit)