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Linux 2.6.24.5
[linux/fpc-iii.git] / sound / isa / ad1816a / ad1816a_lib.c
blobcf18fe4617a1e1f23848eed4965ce67a7d1b4b6b
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 <sound/driver.h>
21 #include <linux/delay.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/slab.h>
25 #include <linux/ioport.h>
26 #include <sound/core.h>
27 #include <sound/tlv.h>
28 #include <sound/ad1816a.h>
29
30 #include <asm/io.h>
31 #include <asm/dma.h>
32
33 static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip)
34 {
35 int timeout;
36
37 for (timeout = 1000; timeout-- > 0; udelay(10))
38 if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY)
39 return 0;
40
41 snd_printk("chip busy.\n");
42 return -EBUSY;
43 }
44
45 static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg)
46 {
47 snd_ad1816a_busy_wait(chip);
48 return inb(AD1816A_REG(reg));
49 }
50
51 static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg,
52 unsigned char value)
53 {
54 snd_ad1816a_busy_wait(chip);
55 outb(value, AD1816A_REG(reg));
56 }
57
58 static inline void snd_ad1816a_out_mask(struct snd_ad1816a *chip, unsigned char reg,
59 unsigned char mask, unsigned char value)
60 {
61 snd_ad1816a_out(chip, reg,
62 (value & mask) | (snd_ad1816a_in(chip, reg) & ~mask));
63 }
64
65 static unsigned short snd_ad1816a_read(struct snd_ad1816a *chip, unsigned char reg)
66 {
67 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
68 return snd_ad1816a_in(chip, AD1816A_INDIR_DATA_LOW) |
69 (snd_ad1816a_in(chip, AD1816A_INDIR_DATA_HIGH) << 8);
70 }
71
72 static void snd_ad1816a_write(struct snd_ad1816a *chip, unsigned char reg,
73 unsigned short value)
74 {
75 snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
76 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_LOW, value & 0xff);
77 snd_ad1816a_out(chip, AD1816A_INDIR_DATA_HIGH, (value >> 8) & 0xff);
78 }
79
80 static void snd_ad1816a_write_mask(struct snd_ad1816a *chip, unsigned char reg,
81 unsigned short mask, unsigned short value)
82 {
83 snd_ad1816a_write(chip, reg,
84 (value & mask) | (snd_ad1816a_read(chip, reg) & ~mask));
85 }
86
87
88 static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip,
89 unsigned int format, int channels)
90 {
91 unsigned char retval = AD1816A_FMT_LINEAR_8;
92
93 switch (format) {
94 case SNDRV_PCM_FORMAT_MU_LAW:
95 retval = AD1816A_FMT_ULAW_8;
96 break;
97 case SNDRV_PCM_FORMAT_A_LAW:
98 retval = AD1816A_FMT_ALAW_8;
99 break;
100 case SNDRV_PCM_FORMAT_S16_LE:
101 retval = AD1816A_FMT_LINEAR_16_LIT;
102 break;
103 case SNDRV_PCM_FORMAT_S16_BE:
104 retval = AD1816A_FMT_LINEAR_16_BIG;
105 }
106 return (channels > 1) ? (retval | AD1816A_FMT_STEREO) : retval;
107 }
108
109 static int snd_ad1816a_open(struct snd_ad1816a *chip, unsigned int mode)
110 {
111 unsigned long flags;
112
113 spin_lock_irqsave(&chip->lock, flags);
114
115 if (chip->mode & mode) {
116 spin_unlock_irqrestore(&chip->lock, flags);
117 return -EAGAIN;
118 }
119
120 switch ((mode &= AD1816A_MODE_OPEN)) {
121 case AD1816A_MODE_PLAYBACK:
122 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
123 AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
124 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
125 AD1816A_PLAYBACK_IRQ_ENABLE, 0xffff);
126 break;
127 case AD1816A_MODE_CAPTURE:
128 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
129 AD1816A_CAPTURE_IRQ_PENDING, 0x00);
130 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
131 AD1816A_CAPTURE_IRQ_ENABLE, 0xffff);
132 break;
133 case AD1816A_MODE_TIMER:
134 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
135 AD1816A_TIMER_IRQ_PENDING, 0x00);
136 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
137 AD1816A_TIMER_IRQ_ENABLE, 0xffff);
138 }
139 chip->mode |= mode;
140
141 spin_unlock_irqrestore(&chip->lock, flags);
142 return 0;
143 }
144
145 static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode)
146 {
147 unsigned long flags;
148
149 spin_lock_irqsave(&chip->lock, flags);
150
151 switch ((mode &= AD1816A_MODE_OPEN)) {
152 case AD1816A_MODE_PLAYBACK:
153 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
154 AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
155 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
156 AD1816A_PLAYBACK_IRQ_ENABLE, 0x0000);
157 break;
158 case AD1816A_MODE_CAPTURE:
159 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
160 AD1816A_CAPTURE_IRQ_PENDING, 0x00);
161 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
162 AD1816A_CAPTURE_IRQ_ENABLE, 0x0000);
163 break;
164 case AD1816A_MODE_TIMER:
165 snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
166 AD1816A_TIMER_IRQ_PENDING, 0x00);
167 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
168 AD1816A_TIMER_IRQ_ENABLE, 0x0000);
169 }
170 if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN))
171 chip->mode = 0;
172
173 spin_unlock_irqrestore(&chip->lock, flags);
174 }
175
176
177 static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what,
178 int channel, int cmd, int iscapture)
179 {
180 int error = 0;
181
182 switch (cmd) {
183 case SNDRV_PCM_TRIGGER_START:
184 case SNDRV_PCM_TRIGGER_STOP:
185 spin_lock(&chip->lock);
186 cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00;
187 /* if (what & AD1816A_PLAYBACK_ENABLE) */
188 /* That is not valid, because playback and capture enable
189 * are the same bit pattern, just to different addresses
190 */
191 if (! iscapture)
192 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
193 AD1816A_PLAYBACK_ENABLE, cmd);
194 else
195 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
196 AD1816A_CAPTURE_ENABLE, cmd);
197 spin_unlock(&chip->lock);
198 break;
199 default:
200 snd_printk("invalid trigger mode 0x%x.\n", what);
201 error = -EINVAL;
202 }
203
204 return error;
205 }
206
207 static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd)
208 {
209 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
210 return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE,
211 SNDRV_PCM_STREAM_PLAYBACK, cmd, 0);
212 }
213
214 static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd)
215 {
216 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
217 return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE,
218 SNDRV_PCM_STREAM_CAPTURE, cmd, 1);
219 }
220
221 static int snd_ad1816a_hw_params(struct snd_pcm_substream *substream,
222 struct snd_pcm_hw_params *hw_params)
223 {
224 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
225 }
226
227 static int snd_ad1816a_hw_free(struct snd_pcm_substream *substream)
228 {
229 return snd_pcm_lib_free_pages(substream);
230 }
231
232 static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream)
233 {
234 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
235 unsigned long flags;
236 struct snd_pcm_runtime *runtime = substream->runtime;
237 unsigned int size, rate;
238
239 spin_lock_irqsave(&chip->lock, flags);
240
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);
244
245 snd_dma_program(chip->dma1, runtime->dma_addr, size,
246 DMA_MODE_WRITE | DMA_AUTOINIT);
247
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,
255 runtime->channels));
256
257 snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT,
258 snd_pcm_lib_period_bytes(substream) / 4 - 1);
259
260 spin_unlock_irqrestore(&chip->lock, flags);
261 return 0;
262 }
263
264 static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream)
265 {
266 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
267 unsigned long flags;
268 struct snd_pcm_runtime *runtime = substream->runtime;
269 unsigned int size, rate;
270
271 spin_lock_irqsave(&chip->lock, flags);
272
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);
276
277 snd_dma_program(chip->dma2, runtime->dma_addr, size,
278 DMA_MODE_READ | DMA_AUTOINIT);
279
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,
287 runtime->channels));
288
289 snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT,
290 snd_pcm_lib_period_bytes(substream) / 4 - 1);
291
292 spin_unlock_irqrestore(&chip->lock, flags);
293 return 0;
294 }
295
296
297 static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream)
298 {
299 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
300 size_t ptr;
301 if (!(chip->mode & AD1816A_MODE_PLAYBACK))
302 return 0;
303 ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
304 return bytes_to_frames(substream->runtime, ptr);
305 }
306
307 static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream)
308 {
309 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
310 size_t ptr;
311 if (!(chip->mode & AD1816A_MODE_CAPTURE))
312 return 0;
313 ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
314 return bytes_to_frames(substream->runtime, ptr);
315 }
316
317
318 static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id)
319 {
320 struct snd_ad1816a *chip = dev_id;
321 unsigned char status;
322
323 spin_lock(&chip->lock);
324 status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS);
325 spin_unlock(&chip->lock);
326
327 if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream)
328 snd_pcm_period_elapsed(chip->playback_substream);
329
330 if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream)
331 snd_pcm_period_elapsed(chip->capture_substream);
332
333 if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer)
334 snd_timer_interrupt(chip->timer, chip->timer->sticks);
335
336 spin_lock(&chip->lock);
337 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
338 spin_unlock(&chip->lock);
339 return IRQ_HANDLED;
340 }
341
342
343 static struct snd_pcm_hardware 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,
350 .rate_min = 4000,
351 .rate_max = 55200,
352 .channels_min = 1,
353 .channels_max = 2,
354 .buffer_bytes_max = (128*1024),
355 .period_bytes_min = 64,
356 .period_bytes_max = (128*1024),
357 .periods_min = 1,
358 .periods_max = 1024,
359 .fifo_size = 0,
360 };
361
362 static struct snd_pcm_hardware 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,
369 .rate_min = 4000,
370 .rate_max = 55200,
371 .channels_min = 1,
372 .channels_max = 2,
373 .buffer_bytes_max = (128*1024),
374 .period_bytes_min = 64,
375 .period_bytes_max = (128*1024),
376 .periods_min = 1,
377 .periods_max = 1024,
378 .fifo_size = 0,
379 };
380
381 #if 0 /* not used now */
382 static int snd_ad1816a_timer_close(struct snd_timer *timer)
383 {
384 struct snd_ad1816a *chip = snd_timer_chip(timer);
385 snd_ad1816a_close(chip, AD1816A_MODE_TIMER);
386 return 0;
387 }
388
389 static int snd_ad1816a_timer_open(struct snd_timer *timer)
390 {
391 struct snd_ad1816a *chip = snd_timer_chip(timer);
392 snd_ad1816a_open(chip, AD1816A_MODE_TIMER);
393 return 0;
394 }
395
396 static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer)
397 {
398 snd_assert(timer != NULL, return 0);
399
400 return 10000;
401 }
402
403 static int snd_ad1816a_timer_start(struct snd_timer *timer)
404 {
405 unsigned short bits;
406 unsigned long flags;
407 struct snd_ad1816a *chip = snd_timer_chip(timer);
408 spin_lock_irqsave(&chip->lock, flags);
409 bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE);
410
411 if (!(bits & AD1816A_TIMER_ENABLE)) {
412 snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT,
413 timer->sticks & 0xffff);
414
415 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
416 AD1816A_TIMER_ENABLE, 0xffff);
417 }
418 spin_unlock_irqrestore(&chip->lock, flags);
419 return 0;
420 }
421
422 static int snd_ad1816a_timer_stop(struct snd_timer *timer)
423 {
424 unsigned long flags;
425 struct snd_ad1816a *chip = snd_timer_chip(timer);
426 spin_lock_irqsave(&chip->lock, flags);
427
428 snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
429 AD1816A_TIMER_ENABLE, 0x0000);
430
431 spin_unlock_irqrestore(&chip->lock, flags);
432 return 0;
433 }
434
435 static struct snd_timer_hardware snd_ad1816a_timer_table = {
436 .flags = SNDRV_TIMER_HW_AUTO,
437 .resolution = 10000,
438 .ticks = 65535,
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,
444 };
445 #endif /* not used now */
446
447
448 static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream)
449 {
450 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
451 struct snd_pcm_runtime *runtime = substream->runtime;
452 int error;
453
454 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0)
455 return error;
456 runtime->hw = snd_ad1816a_playback;
457 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
458 snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
459 chip->playback_substream = substream;
460 return 0;
461 }
462
463 static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream)
464 {
465 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
466 struct snd_pcm_runtime *runtime = substream->runtime;
467 int error;
468
469 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0)
470 return error;
471 runtime->hw = snd_ad1816a_capture;
472 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
473 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
474 chip->capture_substream = substream;
475 return 0;
476 }
477
478 static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream)
479 {
480 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
481
482 chip->playback_substream = NULL;
483 snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK);
484 return 0;
485 }
486
487 static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream)
488 {
489 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
490
491 chip->capture_substream = NULL;
492 snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE);
493 return 0;
494 }
495
496
497 static void __devinit snd_ad1816a_init(struct snd_ad1816a *chip)
498 {
499 unsigned long flags;
500
501 spin_lock_irqsave(&chip->lock, flags);
502
503 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
504 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
505 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
506 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
507 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
508 snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000);
509 snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG,
510 AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff);
511 snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000);
512 snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000);
513
514 spin_unlock_irqrestore(&chip->lock, flags);
515 }
516
517 static int __devinit 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
541 static 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 kfree(chip);
555 return 0;
556 }
557
558 static int snd_ad1816a_dev_free(struct snd_device *device)
559 {
560 struct snd_ad1816a *chip = device->device_data;
561 return snd_ad1816a_free(chip);
562 }
563
564 static const char __devinit *snd_ad1816a_chip_id(struct snd_ad1816a *chip)
565 {
566 switch (chip->hardware) {
567 case AD1816A_HW_AD1816A: return "AD1816A";
568 case AD1816A_HW_AD1815: return "AD1815";
569 case AD1816A_HW_AD18MAX10: return "AD18max10";
570 default:
571 snd_printk("Unknown chip version %d:%d.\n",
572 chip->version, chip->hardware);
573 return "AD1816A - unknown";
574 }
575 }
576
577 int __devinit snd_ad1816a_create(struct snd_card *card,
578 unsigned long port, int irq, int dma1, int dma2,
579 struct snd_ad1816a **rchip)
580 {
581 static struct snd_device_ops ops = {
582 .dev_free = snd_ad1816a_dev_free,
583 };
584 int error;
585 struct snd_ad1816a *chip;
586
587 *rchip = NULL;
588
589 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
590 if (chip == NULL)
591 return -ENOMEM;
592 chip->irq = -1;
593 chip->dma1 = -1;
594 chip->dma2 = -1;
595
596 if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) {
597 snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port);
598 snd_ad1816a_free(chip);
599 return -EBUSY;
600 }
601 if (request_irq(irq, snd_ad1816a_interrupt, IRQF_DISABLED, "AD1816A", (void *) chip)) {
602 snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq);
603 snd_ad1816a_free(chip);
604 return -EBUSY;
605 }
606 chip->irq = irq;
607 if (request_dma(dma1, "AD1816A - 1")) {
608 snd_printk(KERN_ERR "ad1816a: can't grab DMA1 %d\n", dma1);
609 snd_ad1816a_free(chip);
610 return -EBUSY;
611 }
612 chip->dma1 = dma1;
613 if (request_dma(dma2, "AD1816A - 2")) {
614 snd_printk(KERN_ERR "ad1816a: can't grab DMA2 %d\n", dma2);
615 snd_ad1816a_free(chip);
616 return -EBUSY;
617 }
618 chip->dma2 = dma2;
619
620 chip->card = card;
621 chip->port = port;
622 spin_lock_init(&chip->lock);
623
624 if ((error = snd_ad1816a_probe(chip))) {
625 snd_ad1816a_free(chip);
626 return error;
627 }
628
629 snd_ad1816a_init(chip);
630
631 /* Register device */
632 if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
633 snd_ad1816a_free(chip);
634 return error;
635 }
636
637 *rchip = chip;
638 return 0;
639 }
640
641 static struct snd_pcm_ops snd_ad1816a_playback_ops = {
642 .open = snd_ad1816a_playback_open,
643 .close = snd_ad1816a_playback_close,
644 .ioctl = snd_pcm_lib_ioctl,
645 .hw_params = snd_ad1816a_hw_params,
646 .hw_free = snd_ad1816a_hw_free,
647 .prepare = snd_ad1816a_playback_prepare,
648 .trigger = snd_ad1816a_playback_trigger,
649 .pointer = snd_ad1816a_playback_pointer,
650 };
651
652 static struct snd_pcm_ops snd_ad1816a_capture_ops = {
653 .open = snd_ad1816a_capture_open,
654 .close = snd_ad1816a_capture_close,
655 .ioctl = snd_pcm_lib_ioctl,
656 .hw_params = snd_ad1816a_hw_params,
657 .hw_free = snd_ad1816a_hw_free,
658 .prepare = snd_ad1816a_capture_prepare,
659 .trigger = snd_ad1816a_capture_trigger,
660 .pointer = snd_ad1816a_capture_pointer,
661 };
662
663 int __devinit snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm)
664 {
665 int error;
666 struct snd_pcm *pcm;
667
668 if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm)))
669 return error;
670
671 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops);
672 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops);
673
674 pcm->private_data = chip;
675 pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0;
676
677 strcpy(pcm->name, snd_ad1816a_chip_id(chip));
678 snd_ad1816a_init(chip);
679
680 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
681 snd_dma_isa_data(),
682 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
683
684 chip->pcm = pcm;
685 if (rpcm)
686 *rpcm = pcm;
687 return 0;
688 }
689
690 #if 0 /* not used now */
691 int __devinit snd_ad1816a_timer(struct snd_ad1816a *chip, int device, struct snd_timer **rtimer)
692 {
693 struct snd_timer *timer;
694 struct snd_timer_id tid;
695 int error;
696
697 tid.dev_class = SNDRV_TIMER_CLASS_CARD;
698 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
699 tid.card = chip->card->number;
700 tid.device = device;
701 tid.subdevice = 0;
702 if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0)
703 return error;
704 strcpy(timer->name, snd_ad1816a_chip_id(chip));
705 timer->private_data = chip;
706 chip->timer = timer;
707 timer->hw = snd_ad1816a_timer_table;
708 if (rtimer)
709 *rtimer = timer;
710 return 0;
711 }
712 #endif /* not used now */
713
714 /*
715 *
716 */
717
718 static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
719 {
720 static char *texts[8] = {
721 "Line", "Mix", "CD", "Synth", "Video",
722 "Mic", "Phone",
723 };
724
725 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
726 uinfo->count = 2;
727 uinfo->value.enumerated.items = 7;
728 if (uinfo->value.enumerated.item > 6)
729 uinfo->value.enumerated.item = 6;
730 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
731 return 0;
732 }
733
734 static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
735 {
736 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
737 unsigned long flags;
738 unsigned short val;
739
740 spin_lock_irqsave(&chip->lock, flags);
741 val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL);
742 spin_unlock_irqrestore(&chip->lock, flags);
743 ucontrol->value.enumerated.item[0] = (val >> 12) & 7;
744 ucontrol->value.enumerated.item[1] = (val >> 4) & 7;
745 return 0;
746 }
747
748 static int snd_ad1816a_put_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 int change;
754
755 if (ucontrol->value.enumerated.item[0] > 6 ||
756 ucontrol->value.enumerated.item[1] > 6)
757 return -EINVAL;
758 val = (ucontrol->value.enumerated.item[0] << 12) |
759 (ucontrol->value.enumerated.item[1] << 4);
760 spin_lock_irqsave(&chip->lock, flags);
761 change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val;
762 snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val);
763 spin_unlock_irqrestore(&chip->lock, flags);
764 return change;
765 }
766
767 #define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv) \
768 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
769 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
770 .name = xname, .info = snd_ad1816a_info_single, \
771 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
772 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
773 .tlv = { .p = (xtlv) } }
774 #define AD1816A_SINGLE(xname, reg, shift, mask, invert) \
775 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \
776 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
777 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
778
779 static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
780 {
781 int mask = (kcontrol->private_value >> 16) & 0xff;
782
783 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
784 uinfo->count = 1;
785 uinfo->value.integer.min = 0;
786 uinfo->value.integer.max = mask;
787 return 0;
788 }
789
790 static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
791 {
792 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
793 unsigned long flags;
794 int reg = kcontrol->private_value & 0xff;
795 int shift = (kcontrol->private_value >> 8) & 0xff;
796 int mask = (kcontrol->private_value >> 16) & 0xff;
797 int invert = (kcontrol->private_value >> 24) & 0xff;
798
799 spin_lock_irqsave(&chip->lock, flags);
800 ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask;
801 spin_unlock_irqrestore(&chip->lock, flags);
802 if (invert)
803 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
804 return 0;
805 }
806
807 static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
808 {
809 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
810 unsigned long flags;
811 int reg = kcontrol->private_value & 0xff;
812 int shift = (kcontrol->private_value >> 8) & 0xff;
813 int mask = (kcontrol->private_value >> 16) & 0xff;
814 int invert = (kcontrol->private_value >> 24) & 0xff;
815 int change;
816 unsigned short old_val, val;
817
818 val = (ucontrol->value.integer.value[0] & mask);
819 if (invert)
820 val = mask - val;
821 val <<= shift;
822 spin_lock_irqsave(&chip->lock, flags);
823 old_val = snd_ad1816a_read(chip, reg);
824 val = (old_val & ~(mask << shift)) | val;
825 change = val != old_val;
826 snd_ad1816a_write(chip, reg, val);
827 spin_unlock_irqrestore(&chip->lock, flags);
828 return change;
829 }
830
831 #define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
832 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
833 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
834 .name = xname, .info = snd_ad1816a_info_double, \
835 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
836 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
837 .tlv = { .p = (xtlv) } }
838
839 #define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
840 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \
841 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
842 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
843
844 static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
845 {
846 int mask = (kcontrol->private_value >> 16) & 0xff;
847
848 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
849 uinfo->count = 2;
850 uinfo->value.integer.min = 0;
851 uinfo->value.integer.max = mask;
852 return 0;
853 }
854
855 static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
856 {
857 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
858 unsigned long flags;
859 int reg = kcontrol->private_value & 0xff;
860 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
861 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
862 int mask = (kcontrol->private_value >> 16) & 0xff;
863 int invert = (kcontrol->private_value >> 24) & 0xff;
864 unsigned short val;
865
866 spin_lock_irqsave(&chip->lock, flags);
867 val = snd_ad1816a_read(chip, reg);
868 ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
869 ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
870 spin_unlock_irqrestore(&chip->lock, flags);
871 if (invert) {
872 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
873 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
874 }
875 return 0;
876 }
877
878 static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
879 {
880 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
881 unsigned long flags;
882 int reg = kcontrol->private_value & 0xff;
883 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
884 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
885 int mask = (kcontrol->private_value >> 16) & 0xff;
886 int invert = (kcontrol->private_value >> 24) & 0xff;
887 int change;
888 unsigned short old_val, val1, val2;
889
890 val1 = ucontrol->value.integer.value[0] & mask;
891 val2 = ucontrol->value.integer.value[1] & mask;
892 if (invert) {
893 val1 = mask - val1;
894 val2 = mask - val2;
895 }
896 val1 <<= shift_left;
897 val2 <<= shift_right;
898 spin_lock_irqsave(&chip->lock, flags);
899 old_val = snd_ad1816a_read(chip, reg);
900 val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
901 change = val1 != old_val;
902 snd_ad1816a_write(chip, reg, val1);
903 spin_unlock_irqrestore(&chip->lock, flags);
904 return change;
905 }
906
907 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
908 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
909 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
910 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
911 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
912
913 static struct snd_kcontrol_new snd_ad1816a_controls[] __devinitdata = {
914 AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
915 AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1,
916 db_scale_5bit),
917 AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),
918 AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1,
919 db_scale_6bit),
920 AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),
921 AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1,
922 db_scale_5bit_12db_max),
923 AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),
924 AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1,
925 db_scale_5bit_12db_max),
926 AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),
927 AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1,
928 db_scale_5bit_12db_max),
929 AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
930 AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1,
931 db_scale_6bit),
932 AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
933 AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1,
934 db_scale_5bit_12db_max),
935 AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
936 AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
937 AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1,
938 db_scale_5bit_12db_max),
939 AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),
940 AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1,
941 db_scale_4bit),
942 AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),
943 AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1,
944 db_scale_5bit),
945 {
946 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
947 .name = "Capture Source",
948 .info = snd_ad1816a_info_mux,
949 .get = snd_ad1816a_get_mux,
950 .put = snd_ad1816a_put_mux,
951 },
952 AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),
953 AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0,
954 db_scale_rec_gain),
955 AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),
956 AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),
957 };
958
959 int __devinit snd_ad1816a_mixer(struct snd_ad1816a *chip)
960 {
961 struct snd_card *card;
962 unsigned int idx;
963 int err;
964
965 snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
966
967 card = chip->card;
968
969 strcpy(card->mixername, snd_ad1816a_chip_id(chip));
970
971 for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) {
972 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0)
973 return err;
974 }
975 return 0;
976 }
Linux with added FPC-III support