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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 snd_printk(KERN_WARNING "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 if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN))
159 chip->mode = 0;
160
161 spin_unlock_irqrestore(&chip->lock, flags);
162}
163
164
165static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what,
166 int channel, int cmd, int iscapture)
167{
168 int error = 0;
169
170 switch (cmd) {
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
178 */
179 if (! iscapture)
180 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
181 AD1816A_PLAYBACK_ENABLE, cmd);
182 else
183 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
184 AD1816A_CAPTURE_ENABLE, cmd);
185 spin_unlock(&chip->lock);
186 break;
187 default:
188 snd_printk(KERN_WARNING "invalid trigger mode 0x%x.\n", what);
189 error = -EINVAL;
190 }
191
192 return error;
193}
194
195static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd)
196{
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);
200}
201
202static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd)
203{
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);
207}
208
209static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream)
210{
211 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
212 unsigned long flags;
213 struct snd_pcm_runtime *runtime = substream->runtime;
214 unsigned int size, rate;
215
216 spin_lock_irqsave(&chip->lock, flags);
217
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);
221
222 snd_dma_program(chip->dma1, runtime->dma_addr, size,
223 DMA_MODE_WRITE | DMA_AUTOINIT);
224
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,
232 runtime->channels));
233
234 snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT,
235 snd_pcm_lib_period_bytes(substream) / 4 - 1);
236
237 spin_unlock_irqrestore(&chip->lock, flags);
238 return 0;
239}
240
241static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream)
242{
243 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
244 unsigned long flags;
245 struct snd_pcm_runtime *runtime = substream->runtime;
246 unsigned int size, rate;
247
248 spin_lock_irqsave(&chip->lock, flags);
249
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);
253
254 snd_dma_program(chip->dma2, runtime->dma_addr, size,
255 DMA_MODE_READ | DMA_AUTOINIT);
256
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,
264 runtime->channels));
265
266 snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT,
267 snd_pcm_lib_period_bytes(substream) / 4 - 1);
268
269 spin_unlock_irqrestore(&chip->lock, flags);
270 return 0;
271}
272
273
274static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream)
275{
276 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
277 size_t ptr;
278 if (!(chip->mode & AD1816A_MODE_PLAYBACK))
279 return 0;
280 ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
281 return bytes_to_frames(substream->runtime, ptr);
282}
283
284static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream)
285{
286 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
287 size_t ptr;
288 if (!(chip->mode & AD1816A_MODE_CAPTURE))
289 return 0;
290 ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
291 return bytes_to_frames(substream->runtime, ptr);
292}
293
294
295static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id)
296{
297 struct snd_ad1816a *chip = dev_id;
298 unsigned char status;
299
300 spin_lock(&chip->lock);
301 status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS);
302 spin_unlock(&chip->lock);
303
304 if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream)
305 snd_pcm_period_elapsed(chip->playback_substream);
306
307 if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream)
308 snd_pcm_period_elapsed(chip->capture_substream);
309
310 if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer)
311 snd_timer_interrupt(chip->timer, chip->timer->sticks);
312
313 spin_lock(&chip->lock);
314 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
315 spin_unlock(&chip->lock);
316 return IRQ_HANDLED;
317}
318
319
320static 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,
327 .rate_min = 4000,
328 .rate_max = 55200,
329 .channels_min = 1,
330 .channels_max = 2,
331 .buffer_bytes_max = (128*1024),
332 .period_bytes_min = 64,
333 .period_bytes_max = (128*1024),
334 .periods_min = 1,
335 .periods_max = 1024,
336 .fifo_size = 0,
337};
338
339static 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,
346 .rate_min = 4000,
347 .rate_max = 55200,
348 .channels_min = 1,
349 .channels_max = 2,
350 .buffer_bytes_max = (128*1024),
351 .period_bytes_min = 64,
352 .period_bytes_max = (128*1024),
353 .periods_min = 1,
354 .periods_max = 1024,
355 .fifo_size = 0,
356};
357
358static int snd_ad1816a_timer_close(struct snd_timer *timer)
359{
360 struct snd_ad1816a *chip = snd_timer_chip(timer);
361 snd_ad1816a_close(chip, AD1816A_MODE_TIMER);
362 return 0;
363}
364
365static int snd_ad1816a_timer_open(struct snd_timer *timer)
366{
367 struct snd_ad1816a *chip = snd_timer_chip(timer);
368 snd_ad1816a_open(chip, AD1816A_MODE_TIMER);
369 return 0;
370}
371
372static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer)
373{
374 if (snd_BUG_ON(!timer))
375 return 0;
376
377 return 10000;
378}
379
380static int snd_ad1816a_timer_start(struct snd_timer *timer)
381{
382 unsigned short bits;
383 unsigned long flags;
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);
387
388 if (!(bits & AD1816A_TIMER_ENABLE)) {
389 snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT,
390 timer->sticks & 0xffff);
391
392 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
393 AD1816A_TIMER_ENABLE, 0xffff);
394 }
395 spin_unlock_irqrestore(&chip->lock, flags);
396 return 0;
397}
398
399static int snd_ad1816a_timer_stop(struct snd_timer *timer)
400{
401 unsigned long flags;
402 struct snd_ad1816a *chip = snd_timer_chip(timer);
403 spin_lock_irqsave(&chip->lock, flags);
404
405 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
406 AD1816A_TIMER_ENABLE, 0x0000);
407
408 spin_unlock_irqrestore(&chip->lock, flags);
409 return 0;
410}
411
412static const struct snd_timer_hardware snd_ad1816a_timer_table = {
413 .flags = SNDRV_TIMER_HW_AUTO,
414 .resolution = 10000,
415 .ticks = 65535,
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,
421};
422
423static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream)
424{
425 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
426 struct snd_pcm_runtime *runtime = substream->runtime;
427 int error;
428
429 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0)
430 return error;
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;
435 return 0;
436}
437
438static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream)
439{
440 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
441 struct snd_pcm_runtime *runtime = substream->runtime;
442 int error;
443
444 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0)
445 return error;
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;
450 return 0;
451}
452
453static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream)
454{
455 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
456
457 chip->playback_substream = NULL;
458 snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK);
459 return 0;
460}
461
462static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream)
463{
464 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
465
466 chip->capture_substream = NULL;
467 snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE);
468 return 0;
469}
470
471
472static void snd_ad1816a_init(struct snd_ad1816a *chip)
473{
474 unsigned long flags;
475
476 spin_lock_irqsave(&chip->lock, flags);
477
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);
488
489 spin_unlock_irqrestore(&chip->lock, flags);
490}
491
492#ifdef CONFIG_PM
493void snd_ad1816a_suspend(struct snd_ad1816a *chip)
494{
495 int reg;
496 unsigned long flags;
497
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);
502}
503
504void snd_ad1816a_resume(struct snd_ad1816a *chip)
505{
506 int reg;
507 unsigned long flags;
508
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);
514}
515#endif
516
517static int snd_ad1816a_probe(struct snd_ad1816a *chip)
518{
519 unsigned long flags;
520
521 spin_lock_irqsave(&chip->lock, flags);
522
523 switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) {
524 case 0:
525 chip->hardware = AD1816A_HW_AD1815;
526 break;
527 case 1:
528 chip->hardware = AD1816A_HW_AD18MAX10;
529 break;
530 case 3:
531 chip->hardware = AD1816A_HW_AD1816A;
532 break;
533 default:
534 chip->hardware = AD1816A_HW_AUTO;
535 }
536
537 spin_unlock_irqrestore(&chip->lock, flags);
538 return 0;
539}
540
541static int snd_ad1816a_free(struct snd_ad1816a *chip)
542{
543 release_and_free_resource(chip->res_port);
544 if (chip->irq >= 0)
545 free_irq(chip->irq, (void *) chip);
546 if (chip->dma1 >= 0) {
547 snd_dma_disable(chip->dma1);
548 free_dma(chip->dma1);
549 }
550 if (chip->dma2 >= 0) {
551 snd_dma_disable(chip->dma2);
552 free_dma(chip->dma2);
553 }
554 return 0;
555}
556
557static int snd_ad1816a_dev_free(struct snd_device *device)
558{
559 struct snd_ad1816a *chip = device->device_data;
560 return snd_ad1816a_free(chip);
561}
562
563static const char *snd_ad1816a_chip_id(struct snd_ad1816a *chip)
564{
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";
569 default:
570 snd_printk(KERN_WARNING "Unknown chip version %d:%d.\n",
571 chip->version, chip->hardware);
572 return "AD1816A - unknown";
573 }
574}
575
576int snd_ad1816a_create(struct snd_card *card,
577 unsigned long port, int irq, int dma1, int dma2,
578 struct snd_ad1816a *chip)
579{
580 static const struct snd_device_ops ops = {
581 .dev_free = snd_ad1816a_dev_free,
582 };
583 int error;
584
585 chip->irq = -1;
586 chip->dma1 = -1;
587 chip->dma2 = -1;
588
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);
592 return -EBUSY;
593 }
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);
597 return -EBUSY;
598 }
599 chip->irq = irq;
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);
604 return -EBUSY;
605 }
606 chip->dma1 = dma1;
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);
610 return -EBUSY;
611 }
612 chip->dma2 = dma2;
613
614 chip->card = card;
615 chip->port = port;
616 spin_lock_init(&chip->lock);
617
618 if ((error = snd_ad1816a_probe(chip))) {
619 snd_ad1816a_free(chip);
620 return error;
621 }
622
623 snd_ad1816a_init(chip);
624
625 /* Register device */
626 if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
627 snd_ad1816a_free(chip);
628 return error;
629 }
630
631 return 0;
632}
633
634static 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,
640};
641
642static 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,
648};
649
650int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device)
651{
652 int error;
653 struct snd_pcm *pcm;
654
655 if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm)))
656 return error;
657
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);
660
661 pcm->private_data = chip;
662 pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0;
663
664 strcpy(pcm->name, snd_ad1816a_chip_id(chip));
665 snd_ad1816a_init(chip);
666
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);
669
670 chip->pcm = pcm;
671 return 0;
672}
673
674int snd_ad1816a_timer(struct snd_ad1816a *chip, int device)
675{
676 struct snd_timer *timer;
677 struct snd_timer_id tid;
678 int error;
679
680 tid.dev_class = SNDRV_TIMER_CLASS_CARD;
681 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
682 tid.card = chip->card->number;
683 tid.device = device;
684 tid.subdevice = 0;
685 if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0)
686 return error;
687 strcpy(timer->name, snd_ad1816a_chip_id(chip));
688 timer->private_data = chip;
689 chip->timer = timer;
690 timer->hw = snd_ad1816a_timer_table;
691 return 0;
692}
693
694/*
695 *
696 */
697
698static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
699{
700 static const char * const texts[8] = {
701 "Line", "Mix", "CD", "Synth", "Video",
702 "Mic", "Phone",
703 };
704
705 return snd_ctl_enum_info(uinfo, 2, 7, texts);
706}
707
708static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
709{
710 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
711 unsigned long flags;
712 unsigned short val;
713
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;
719 return 0;
720}
721
722static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
723{
724 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
725 unsigned long flags;
726 unsigned short val;
727 int change;
728
729 if (ucontrol->value.enumerated.item[0] > 6 ||
730 ucontrol->value.enumerated.item[1] > 6)
731 return -EINVAL;
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);
738 return change;
739}
740
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) }
752
753static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
754{
755 int mask = (kcontrol->private_value >> 16) & 0xff;
756
757 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
758 uinfo->count = 1;
759 uinfo->value.integer.min = 0;
760 uinfo->value.integer.max = mask;
761 return 0;
762}
763
764static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
765{
766 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
767 unsigned long flags;
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;
772
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);
776 if (invert)
777 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
778 return 0;
779}
780
781static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
782{
783 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
784 unsigned long flags;
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;
789 int change;
790 unsigned short old_val, val;
791
792 val = (ucontrol->value.integer.value[0] & mask);
793 if (invert)
794 val = mask - val;
795 val <<= shift;
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);
802 return change;
803}
804
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) } }
812
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) }
817
818static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
819{
820 int mask = (kcontrol->private_value >> 16) & 0xff;
821
822 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
823 uinfo->count = 2;
824 uinfo->value.integer.min = 0;
825 uinfo->value.integer.max = mask;
826 return 0;
827}
828
829static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
830{
831 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
832 unsigned long flags;
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;
838 unsigned short val;
839
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);
845 if (invert) {
846 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
847 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
848 }
849 return 0;
850}
851
852static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
853{
854 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
855 unsigned long flags;
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;
861 int change;
862 unsigned short old_val, val1, val2;
863
864 val1 = ucontrol->value.integer.value[0] & mask;
865 val2 = ucontrol->value.integer.value[1] & mask;
866 if (invert) {
867 val1 = mask - val1;
868 val2 = mask - val2;
869 }
870 val1 <<= shift_left;
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);
878 return change;
879}
880
881static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
882static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
883static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
884static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
885static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
886
887static const struct snd_kcontrol_new snd_ad1816a_controls[] = {
888AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
889AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1,
890 db_scale_5bit),
891AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),
892AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1,
893 db_scale_6bit),
894AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),
895AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1,
896 db_scale_5bit_12db_max),
897AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),
898AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1,
899 db_scale_5bit_12db_max),
900AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),
901AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1,
902 db_scale_5bit_12db_max),
903AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
904AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1,
905 db_scale_6bit),
906AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
907AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1,
908 db_scale_5bit_12db_max),
909AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
910AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
911AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1,
912 db_scale_5bit_12db_max),
913AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),
914AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1,
915 db_scale_4bit),
916AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),
917AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1,
918 db_scale_5bit),
919{
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,
925},
926AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),
927AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0,
928 db_scale_rec_gain),
929AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),
930AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),
931};
932
933int snd_ad1816a_mixer(struct snd_ad1816a *chip)
934{
935 struct snd_card *card;
936 unsigned int idx;
937 int err;
938
939 if (snd_BUG_ON(!chip || !chip->card))
940 return -EINVAL;
941
942 card = chip->card;
943
944 strcpy(card->mixername, snd_ad1816a_chip_id(chip));
945
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)
948 return err;
949 }
950 return 0;
951}
1/*
2 ad1816a.c - lowlevel code for Analog Devices AD1816A chip.
3 Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18*/
19
20#include <linux/delay.h>
21#include <linux/init.h>
22#include <linux/interrupt.h>
23#include <linux/slab.h>
24#include <linux/ioport.h>
25#include <sound/core.h>
26#include <sound/tlv.h>
27#include <sound/ad1816a.h>
28
29#include <asm/io.h>
30#include <asm/dma.h>
31
32static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip)
33{
34 int timeout;
35
36 for (timeout = 1000; timeout-- > 0; udelay(10))
37 if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY)
38 return 0;
39
40 snd_printk(KERN_WARNING "chip busy.\n");
41 return -EBUSY;
42}
43
44static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg)
45{
46 snd_ad1816a_busy_wait(chip);
47 return inb(AD1816A_REG(reg));
48}
49
50static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg,
51 unsigned char value)
52{
53 snd_ad1816a_busy_wait(chip);
54 outb(value, AD1816A_REG(reg));
55}
56
57static inline void snd_ad1816a_out_mask(struct snd_ad1816a *chip, unsigned char reg,
58 unsigned char mask, unsigned char value)
59{
60 snd_ad1816a_out(chip, reg,
61 (value & mask) | (snd_ad1816a_in(chip, reg) & ~mask));
62}
63
64static unsigned short snd_ad1816a_read(struct snd_ad1816a *chip, unsigned char reg)
65{
66 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
67 return snd_ad1816a_in(chip, AD1816A_INDIR_DATA_LOW) |
68 (snd_ad1816a_in(chip, AD1816A_INDIR_DATA_HIGH) << 8);
69}
70
71static void snd_ad1816a_write(struct snd_ad1816a *chip, unsigned char reg,
72 unsigned short value)
73{
74 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
75 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_LOW, value & 0xff);
76 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_HIGH, (value >> 8) & 0xff);
77}
78
79static void snd_ad1816a_write_mask(struct snd_ad1816a *chip, unsigned char reg,
80 unsigned short mask, unsigned short value)
81{
82 snd_ad1816a_write(chip, reg,
83 (value & mask) | (snd_ad1816a_read(chip, reg) & ~mask));
84}
85
86
87static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip,
88 unsigned int format, int channels)
89{
90 unsigned char retval = AD1816A_FMT_LINEAR_8;
91
92 switch (format) {
93 case SNDRV_PCM_FORMAT_MU_LAW:
94 retval = AD1816A_FMT_ULAW_8;
95 break;
96 case SNDRV_PCM_FORMAT_A_LAW:
97 retval = AD1816A_FMT_ALAW_8;
98 break;
99 case SNDRV_PCM_FORMAT_S16_LE:
100 retval = AD1816A_FMT_LINEAR_16_LIT;
101 break;
102 case SNDRV_PCM_FORMAT_S16_BE:
103 retval = AD1816A_FMT_LINEAR_16_BIG;
104 }
105 return (channels > 1) ? (retval | AD1816A_FMT_STEREO) : retval;
106}
107
108static int snd_ad1816a_open(struct snd_ad1816a *chip, unsigned int mode)
109{
110 unsigned long flags;
111
112 spin_lock_irqsave(&chip->lock, flags);
113
114 if (chip->mode & mode) {
115 spin_unlock_irqrestore(&chip->lock, flags);
116 return -EAGAIN;
117 }
118
119 switch ((mode &= AD1816A_MODE_OPEN)) {
120 case AD1816A_MODE_PLAYBACK:
121 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
122 AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
123 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
124 AD1816A_PLAYBACK_IRQ_ENABLE, 0xffff);
125 break;
126 case AD1816A_MODE_CAPTURE:
127 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
128 AD1816A_CAPTURE_IRQ_PENDING, 0x00);
129 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
130 AD1816A_CAPTURE_IRQ_ENABLE, 0xffff);
131 break;
132 case AD1816A_MODE_TIMER:
133 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
134 AD1816A_TIMER_IRQ_PENDING, 0x00);
135 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
136 AD1816A_TIMER_IRQ_ENABLE, 0xffff);
137 }
138 chip->mode |= mode;
139
140 spin_unlock_irqrestore(&chip->lock, flags);
141 return 0;
142}
143
144static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode)
145{
146 unsigned long flags;
147
148 spin_lock_irqsave(&chip->lock, flags);
149
150 switch ((mode &= AD1816A_MODE_OPEN)) {
151 case AD1816A_MODE_PLAYBACK:
152 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
153 AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
154 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
155 AD1816A_PLAYBACK_IRQ_ENABLE, 0x0000);
156 break;
157 case AD1816A_MODE_CAPTURE:
158 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
159 AD1816A_CAPTURE_IRQ_PENDING, 0x00);
160 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
161 AD1816A_CAPTURE_IRQ_ENABLE, 0x0000);
162 break;
163 case AD1816A_MODE_TIMER:
164 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
165 AD1816A_TIMER_IRQ_PENDING, 0x00);
166 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
167 AD1816A_TIMER_IRQ_ENABLE, 0x0000);
168 }
169 if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN))
170 chip->mode = 0;
171
172 spin_unlock_irqrestore(&chip->lock, flags);
173}
174
175
176static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what,
177 int channel, int cmd, int iscapture)
178{
179 int error = 0;
180
181 switch (cmd) {
182 case SNDRV_PCM_TRIGGER_START:
183 case SNDRV_PCM_TRIGGER_STOP:
184 spin_lock(&chip->lock);
185 cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00;
186 /* if (what & AD1816A_PLAYBACK_ENABLE) */
187 /* That is not valid, because playback and capture enable
188 * are the same bit pattern, just to different addresses
189 */
190 if (! iscapture)
191 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
192 AD1816A_PLAYBACK_ENABLE, cmd);
193 else
194 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
195 AD1816A_CAPTURE_ENABLE, cmd);
196 spin_unlock(&chip->lock);
197 break;
198 default:
199 snd_printk(KERN_WARNING "invalid trigger mode 0x%x.\n", what);
200 error = -EINVAL;
201 }
202
203 return error;
204}
205
206static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd)
207{
208 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
209 return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE,
210 SNDRV_PCM_STREAM_PLAYBACK, cmd, 0);
211}
212
213static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd)
214{
215 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
216 return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE,
217 SNDRV_PCM_STREAM_CAPTURE, cmd, 1);
218}
219
220static int snd_ad1816a_hw_params(struct snd_pcm_substream *substream,
221 struct snd_pcm_hw_params *hw_params)
222{
223 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
224}
225
226static int snd_ad1816a_hw_free(struct snd_pcm_substream *substream)
227{
228 return snd_pcm_lib_free_pages(substream);
229}
230
231static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream)
232{
233 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
234 unsigned long flags;
235 struct snd_pcm_runtime *runtime = substream->runtime;
236 unsigned int size, rate;
237
238 spin_lock_irqsave(&chip->lock, flags);
239
240 chip->p_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
241 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
242 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
243
244 snd_dma_program(chip->dma1, runtime->dma_addr, size,
245 DMA_MODE_WRITE | DMA_AUTOINIT);
246
247 rate = runtime->rate;
248 if (chip->clock_freq)
249 rate = (rate * 33000) / chip->clock_freq;
250 snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate);
251 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
252 AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
253 snd_ad1816a_get_format(chip, runtime->format,
254 runtime->channels));
255
256 snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT,
257 snd_pcm_lib_period_bytes(substream) / 4 - 1);
258
259 spin_unlock_irqrestore(&chip->lock, flags);
260 return 0;
261}
262
263static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream)
264{
265 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
266 unsigned long flags;
267 struct snd_pcm_runtime *runtime = substream->runtime;
268 unsigned int size, rate;
269
270 spin_lock_irqsave(&chip->lock, flags);
271
272 chip->c_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
273 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
274 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
275
276 snd_dma_program(chip->dma2, runtime->dma_addr, size,
277 DMA_MODE_READ | DMA_AUTOINIT);
278
279 rate = runtime->rate;
280 if (chip->clock_freq)
281 rate = (rate * 33000) / chip->clock_freq;
282 snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate);
283 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
284 AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
285 snd_ad1816a_get_format(chip, runtime->format,
286 runtime->channels));
287
288 snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT,
289 snd_pcm_lib_period_bytes(substream) / 4 - 1);
290
291 spin_unlock_irqrestore(&chip->lock, flags);
292 return 0;
293}
294
295
296static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream)
297{
298 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
299 size_t ptr;
300 if (!(chip->mode & AD1816A_MODE_PLAYBACK))
301 return 0;
302 ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
303 return bytes_to_frames(substream->runtime, ptr);
304}
305
306static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream)
307{
308 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
309 size_t ptr;
310 if (!(chip->mode & AD1816A_MODE_CAPTURE))
311 return 0;
312 ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
313 return bytes_to_frames(substream->runtime, ptr);
314}
315
316
317static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id)
318{
319 struct snd_ad1816a *chip = dev_id;
320 unsigned char status;
321
322 spin_lock(&chip->lock);
323 status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS);
324 spin_unlock(&chip->lock);
325
326 if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream)
327 snd_pcm_period_elapsed(chip->playback_substream);
328
329 if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream)
330 snd_pcm_period_elapsed(chip->capture_substream);
331
332 if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer)
333 snd_timer_interrupt(chip->timer, chip->timer->sticks);
334
335 spin_lock(&chip->lock);
336 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
337 spin_unlock(&chip->lock);
338 return IRQ_HANDLED;
339}
340
341
342static struct snd_pcm_hardware snd_ad1816a_playback = {
343 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
344 SNDRV_PCM_INFO_MMAP_VALID),
345 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
346 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
347 SNDRV_PCM_FMTBIT_S16_BE),
348 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
349 .rate_min = 4000,
350 .rate_max = 55200,
351 .channels_min = 1,
352 .channels_max = 2,
353 .buffer_bytes_max = (128*1024),
354 .period_bytes_min = 64,
355 .period_bytes_max = (128*1024),
356 .periods_min = 1,
357 .periods_max = 1024,
358 .fifo_size = 0,
359};
360
361static struct snd_pcm_hardware snd_ad1816a_capture = {
362 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
363 SNDRV_PCM_INFO_MMAP_VALID),
364 .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
365 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
366 SNDRV_PCM_FMTBIT_S16_BE),
367 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
368 .rate_min = 4000,
369 .rate_max = 55200,
370 .channels_min = 1,
371 .channels_max = 2,
372 .buffer_bytes_max = (128*1024),
373 .period_bytes_min = 64,
374 .period_bytes_max = (128*1024),
375 .periods_min = 1,
376 .periods_max = 1024,
377 .fifo_size = 0,
378};
379
380static int snd_ad1816a_timer_close(struct snd_timer *timer)
381{
382 struct snd_ad1816a *chip = snd_timer_chip(timer);
383 snd_ad1816a_close(chip, AD1816A_MODE_TIMER);
384 return 0;
385}
386
387static int snd_ad1816a_timer_open(struct snd_timer *timer)
388{
389 struct snd_ad1816a *chip = snd_timer_chip(timer);
390 snd_ad1816a_open(chip, AD1816A_MODE_TIMER);
391 return 0;
392}
393
394static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer)
395{
396 if (snd_BUG_ON(!timer))
397 return 0;
398
399 return 10000;
400}
401
402static int snd_ad1816a_timer_start(struct snd_timer *timer)
403{
404 unsigned short bits;
405 unsigned long flags;
406 struct snd_ad1816a *chip = snd_timer_chip(timer);
407 spin_lock_irqsave(&chip->lock, flags);
408 bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE);
409
410 if (!(bits & AD1816A_TIMER_ENABLE)) {
411 snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT,
412 timer->sticks & 0xffff);
413
414 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
415 AD1816A_TIMER_ENABLE, 0xffff);
416 }
417 spin_unlock_irqrestore(&chip->lock, flags);
418 return 0;
419}
420
421static int snd_ad1816a_timer_stop(struct snd_timer *timer)
422{
423 unsigned long flags;
424 struct snd_ad1816a *chip = snd_timer_chip(timer);
425 spin_lock_irqsave(&chip->lock, flags);
426
427 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
428 AD1816A_TIMER_ENABLE, 0x0000);
429
430 spin_unlock_irqrestore(&chip->lock, flags);
431 return 0;
432}
433
434static struct snd_timer_hardware snd_ad1816a_timer_table = {
435 .flags = SNDRV_TIMER_HW_AUTO,
436 .resolution = 10000,
437 .ticks = 65535,
438 .open = snd_ad1816a_timer_open,
439 .close = snd_ad1816a_timer_close,
440 .c_resolution = snd_ad1816a_timer_resolution,
441 .start = snd_ad1816a_timer_start,
442 .stop = snd_ad1816a_timer_stop,
443};
444
445static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream)
446{
447 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
448 struct snd_pcm_runtime *runtime = substream->runtime;
449 int error;
450
451 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0)
452 return error;
453 runtime->hw = snd_ad1816a_playback;
454 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
455 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
456 chip->playback_substream = substream;
457 return 0;
458}
459
460static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream)
461{
462 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
463 struct snd_pcm_runtime *runtime = substream->runtime;
464 int error;
465
466 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0)
467 return error;
468 runtime->hw = snd_ad1816a_capture;
469 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
470 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
471 chip->capture_substream = substream;
472 return 0;
473}
474
475static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream)
476{
477 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
478
479 chip->playback_substream = NULL;
480 snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK);
481 return 0;
482}
483
484static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream)
485{
486 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
487
488 chip->capture_substream = NULL;
489 snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE);
490 return 0;
491}
492
493
494static void snd_ad1816a_init(struct snd_ad1816a *chip)
495{
496 unsigned long flags;
497
498 spin_lock_irqsave(&chip->lock, flags);
499
500 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
501 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
502 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
503 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
504 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
505 snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000);
506 snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG,
507 AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff);
508 snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000);
509 snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000);
510
511 spin_unlock_irqrestore(&chip->lock, flags);
512}
513
514#ifdef CONFIG_PM
515void snd_ad1816a_suspend(struct snd_ad1816a *chip)
516{
517 int reg;
518 unsigned long flags;
519
520 snd_pcm_suspend_all(chip->pcm);
521 spin_lock_irqsave(&chip->lock, flags);
522 for (reg = 0; reg < 48; reg++)
523 chip->image[reg] = snd_ad1816a_read(chip, reg);
524 spin_unlock_irqrestore(&chip->lock, flags);
525}
526
527void snd_ad1816a_resume(struct snd_ad1816a *chip)
528{
529 int reg;
530 unsigned long flags;
531
532 snd_ad1816a_init(chip);
533 spin_lock_irqsave(&chip->lock, flags);
534 for (reg = 0; reg < 48; reg++)
535 snd_ad1816a_write(chip, reg, chip->image[reg]);
536 spin_unlock_irqrestore(&chip->lock, flags);
537}
538#endif
539
540static int snd_ad1816a_probe(struct snd_ad1816a *chip)
541{
542 unsigned long flags;
543
544 spin_lock_irqsave(&chip->lock, flags);
545
546 switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) {
547 case 0:
548 chip->hardware = AD1816A_HW_AD1815;
549 break;
550 case 1:
551 chip->hardware = AD1816A_HW_AD18MAX10;
552 break;
553 case 3:
554 chip->hardware = AD1816A_HW_AD1816A;
555 break;
556 default:
557 chip->hardware = AD1816A_HW_AUTO;
558 }
559
560 spin_unlock_irqrestore(&chip->lock, flags);
561 return 0;
562}
563
564static int snd_ad1816a_free(struct snd_ad1816a *chip)
565{
566 release_and_free_resource(chip->res_port);
567 if (chip->irq >= 0)
568 free_irq(chip->irq, (void *) chip);
569 if (chip->dma1 >= 0) {
570 snd_dma_disable(chip->dma1);
571 free_dma(chip->dma1);
572 }
573 if (chip->dma2 >= 0) {
574 snd_dma_disable(chip->dma2);
575 free_dma(chip->dma2);
576 }
577 return 0;
578}
579
580static int snd_ad1816a_dev_free(struct snd_device *device)
581{
582 struct snd_ad1816a *chip = device->device_data;
583 return snd_ad1816a_free(chip);
584}
585
586static const char *snd_ad1816a_chip_id(struct snd_ad1816a *chip)
587{
588 switch (chip->hardware) {
589 case AD1816A_HW_AD1816A: return "AD1816A";
590 case AD1816A_HW_AD1815: return "AD1815";
591 case AD1816A_HW_AD18MAX10: return "AD18max10";
592 default:
593 snd_printk(KERN_WARNING "Unknown chip version %d:%d.\n",
594 chip->version, chip->hardware);
595 return "AD1816A - unknown";
596 }
597}
598
599int snd_ad1816a_create(struct snd_card *card,
600 unsigned long port, int irq, int dma1, int dma2,
601 struct snd_ad1816a *chip)
602{
603 static struct snd_device_ops ops = {
604 .dev_free = snd_ad1816a_dev_free,
605 };
606 int error;
607
608 chip->irq = -1;
609 chip->dma1 = -1;
610 chip->dma2 = -1;
611
612 if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) {
613 snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port);
614 snd_ad1816a_free(chip);
615 return -EBUSY;
616 }
617 if (request_irq(irq, snd_ad1816a_interrupt, 0, "AD1816A", (void *) chip)) {
618 snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq);
619 snd_ad1816a_free(chip);
620 return -EBUSY;
621 }
622 chip->irq = irq;
623 if (request_dma(dma1, "AD1816A - 1")) {
624 snd_printk(KERN_ERR "ad1816a: can't grab DMA1 %d\n", dma1);
625 snd_ad1816a_free(chip);
626 return -EBUSY;
627 }
628 chip->dma1 = dma1;
629 if (request_dma(dma2, "AD1816A - 2")) {
630 snd_printk(KERN_ERR "ad1816a: can't grab DMA2 %d\n", dma2);
631 snd_ad1816a_free(chip);
632 return -EBUSY;
633 }
634 chip->dma2 = dma2;
635
636 chip->card = card;
637 chip->port = port;
638 spin_lock_init(&chip->lock);
639
640 if ((error = snd_ad1816a_probe(chip))) {
641 snd_ad1816a_free(chip);
642 return error;
643 }
644
645 snd_ad1816a_init(chip);
646
647 /* Register device */
648 if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
649 snd_ad1816a_free(chip);
650 return error;
651 }
652
653 return 0;
654}
655
656static struct snd_pcm_ops snd_ad1816a_playback_ops = {
657 .open = snd_ad1816a_playback_open,
658 .close = snd_ad1816a_playback_close,
659 .ioctl = snd_pcm_lib_ioctl,
660 .hw_params = snd_ad1816a_hw_params,
661 .hw_free = snd_ad1816a_hw_free,
662 .prepare = snd_ad1816a_playback_prepare,
663 .trigger = snd_ad1816a_playback_trigger,
664 .pointer = snd_ad1816a_playback_pointer,
665};
666
667static struct snd_pcm_ops snd_ad1816a_capture_ops = {
668 .open = snd_ad1816a_capture_open,
669 .close = snd_ad1816a_capture_close,
670 .ioctl = snd_pcm_lib_ioctl,
671 .hw_params = snd_ad1816a_hw_params,
672 .hw_free = snd_ad1816a_hw_free,
673 .prepare = snd_ad1816a_capture_prepare,
674 .trigger = snd_ad1816a_capture_trigger,
675 .pointer = snd_ad1816a_capture_pointer,
676};
677
678int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm)
679{
680 int error;
681 struct snd_pcm *pcm;
682
683 if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm)))
684 return error;
685
686 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops);
687 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops);
688
689 pcm->private_data = chip;
690 pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0;
691
692 strcpy(pcm->name, snd_ad1816a_chip_id(chip));
693 snd_ad1816a_init(chip);
694
695 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
696 snd_dma_isa_data(),
697 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
698
699 chip->pcm = pcm;
700 if (rpcm)
701 *rpcm = pcm;
702 return 0;
703}
704
705int snd_ad1816a_timer(struct snd_ad1816a *chip, int device,
706 struct snd_timer **rtimer)
707{
708 struct snd_timer *timer;
709 struct snd_timer_id tid;
710 int error;
711
712 tid.dev_class = SNDRV_TIMER_CLASS_CARD;
713 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
714 tid.card = chip->card->number;
715 tid.device = device;
716 tid.subdevice = 0;
717 if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0)
718 return error;
719 strcpy(timer->name, snd_ad1816a_chip_id(chip));
720 timer->private_data = chip;
721 chip->timer = timer;
722 timer->hw = snd_ad1816a_timer_table;
723 if (rtimer)
724 *rtimer = timer;
725 return 0;
726}
727
728/*
729 *
730 */
731
732static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
733{
734 static char *texts[8] = {
735 "Line", "Mix", "CD", "Synth", "Video",
736 "Mic", "Phone",
737 };
738
739 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
740 uinfo->count = 2;
741 uinfo->value.enumerated.items = 7;
742 if (uinfo->value.enumerated.item > 6)
743 uinfo->value.enumerated.item = 6;
744 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
745 return 0;
746}
747
748static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
749{
750 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
751 unsigned long flags;
752 unsigned short val;
753
754 spin_lock_irqsave(&chip->lock, flags);
755 val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL);
756 spin_unlock_irqrestore(&chip->lock, flags);
757 ucontrol->value.enumerated.item[0] = (val >> 12) & 7;
758 ucontrol->value.enumerated.item[1] = (val >> 4) & 7;
759 return 0;
760}
761
762static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
763{
764 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
765 unsigned long flags;
766 unsigned short val;
767 int change;
768
769 if (ucontrol->value.enumerated.item[0] > 6 ||
770 ucontrol->value.enumerated.item[1] > 6)
771 return -EINVAL;
772 val = (ucontrol->value.enumerated.item[0] << 12) |
773 (ucontrol->value.enumerated.item[1] << 4);
774 spin_lock_irqsave(&chip->lock, flags);
775 change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val;
776 snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val);
777 spin_unlock_irqrestore(&chip->lock, flags);
778 return change;
779}
780
781#define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv) \
782{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
783 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
784 .name = xname, .info = snd_ad1816a_info_single, \
785 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
786 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
787 .tlv = { .p = (xtlv) } }
788#define AD1816A_SINGLE(xname, reg, shift, mask, invert) \
789{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \
790 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
791 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
792
793static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
794{
795 int mask = (kcontrol->private_value >> 16) & 0xff;
796
797 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
798 uinfo->count = 1;
799 uinfo->value.integer.min = 0;
800 uinfo->value.integer.max = mask;
801 return 0;
802}
803
804static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
805{
806 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
807 unsigned long flags;
808 int reg = kcontrol->private_value & 0xff;
809 int shift = (kcontrol->private_value >> 8) & 0xff;
810 int mask = (kcontrol->private_value >> 16) & 0xff;
811 int invert = (kcontrol->private_value >> 24) & 0xff;
812
813 spin_lock_irqsave(&chip->lock, flags);
814 ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask;
815 spin_unlock_irqrestore(&chip->lock, flags);
816 if (invert)
817 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
818 return 0;
819}
820
821static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
822{
823 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
824 unsigned long flags;
825 int reg = kcontrol->private_value & 0xff;
826 int shift = (kcontrol->private_value >> 8) & 0xff;
827 int mask = (kcontrol->private_value >> 16) & 0xff;
828 int invert = (kcontrol->private_value >> 24) & 0xff;
829 int change;
830 unsigned short old_val, val;
831
832 val = (ucontrol->value.integer.value[0] & mask);
833 if (invert)
834 val = mask - val;
835 val <<= shift;
836 spin_lock_irqsave(&chip->lock, flags);
837 old_val = snd_ad1816a_read(chip, reg);
838 val = (old_val & ~(mask << shift)) | val;
839 change = val != old_val;
840 snd_ad1816a_write(chip, reg, val);
841 spin_unlock_irqrestore(&chip->lock, flags);
842 return change;
843}
844
845#define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
846{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
847 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
848 .name = xname, .info = snd_ad1816a_info_double, \
849 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
850 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
851 .tlv = { .p = (xtlv) } }
852
853#define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
854{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \
855 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
856 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
857
858static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
859{
860 int mask = (kcontrol->private_value >> 16) & 0xff;
861
862 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
863 uinfo->count = 2;
864 uinfo->value.integer.min = 0;
865 uinfo->value.integer.max = mask;
866 return 0;
867}
868
869static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
870{
871 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
872 unsigned long flags;
873 int reg = kcontrol->private_value & 0xff;
874 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
875 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
876 int mask = (kcontrol->private_value >> 16) & 0xff;
877 int invert = (kcontrol->private_value >> 24) & 0xff;
878 unsigned short val;
879
880 spin_lock_irqsave(&chip->lock, flags);
881 val = snd_ad1816a_read(chip, reg);
882 ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
883 ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
884 spin_unlock_irqrestore(&chip->lock, flags);
885 if (invert) {
886 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
887 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
888 }
889 return 0;
890}
891
892static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
893{
894 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
895 unsigned long flags;
896 int reg = kcontrol->private_value & 0xff;
897 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
898 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
899 int mask = (kcontrol->private_value >> 16) & 0xff;
900 int invert = (kcontrol->private_value >> 24) & 0xff;
901 int change;
902 unsigned short old_val, val1, val2;
903
904 val1 = ucontrol->value.integer.value[0] & mask;
905 val2 = ucontrol->value.integer.value[1] & mask;
906 if (invert) {
907 val1 = mask - val1;
908 val2 = mask - val2;
909 }
910 val1 <<= shift_left;
911 val2 <<= shift_right;
912 spin_lock_irqsave(&chip->lock, flags);
913 old_val = snd_ad1816a_read(chip, reg);
914 val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
915 change = val1 != old_val;
916 snd_ad1816a_write(chip, reg, val1);
917 spin_unlock_irqrestore(&chip->lock, flags);
918 return change;
919}
920
921static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
922static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
923static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
924static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
925static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
926
927static struct snd_kcontrol_new snd_ad1816a_controls[] = {
928AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
929AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1,
930 db_scale_5bit),
931AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),
932AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1,
933 db_scale_6bit),
934AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),
935AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1,
936 db_scale_5bit_12db_max),
937AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),
938AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1,
939 db_scale_5bit_12db_max),
940AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),
941AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1,
942 db_scale_5bit_12db_max),
943AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
944AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1,
945 db_scale_6bit),
946AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
947AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1,
948 db_scale_5bit_12db_max),
949AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
950AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
951AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1,
952 db_scale_5bit_12db_max),
953AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),
954AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1,
955 db_scale_4bit),
956AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),
957AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1,
958 db_scale_5bit),
959{
960 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
961 .name = "Capture Source",
962 .info = snd_ad1816a_info_mux,
963 .get = snd_ad1816a_get_mux,
964 .put = snd_ad1816a_put_mux,
965},
966AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),
967AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0,
968 db_scale_rec_gain),
969AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),
970AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),
971};
972
973int snd_ad1816a_mixer(struct snd_ad1816a *chip)
974{
975 struct snd_card *card;
976 unsigned int idx;
977 int err;
978
979 if (snd_BUG_ON(!chip || !chip->card))
980 return -EINVAL;
981
982 card = chip->card;
983
984 strcpy(card->mixername, snd_ad1816a_chip_id(chip));
985
986 for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) {
987 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0)
988 return err;
989 }
990 return 0;
991}