Merge remote-tracking branches 'asoc/topic/cs47l24', 'asoc/topic/cx20442', 'asoc...
[sfrench/cifs-2.6.git] / sound / isa / ad1816a / ad1816a_lib.c
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 <linux/io.h>
26 #include <sound/core.h>
27 #include <sound/tlv.h>
28 #include <sound/ad1816a.h>
29
30 #include <asm/dma.h>
31
32 static 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
44 static 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
50 static 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
57 static 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
64 static 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
71 static 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
79 static 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
87 static 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
108 static 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
144 static 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
176 static 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
206 static 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
213 static 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
220 static 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
226 static int snd_ad1816a_hw_free(struct snd_pcm_substream *substream)
227 {
228         return snd_pcm_lib_free_pages(substream);
229 }
230
231 static 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
263 static 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
296 static 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
306 static 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
317 static 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
342 static const 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
361 static const 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
380 static 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
387 static 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
394 static 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
402 static 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
421 static 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
434 static 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
445 static 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
460 static 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
475 static 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
484 static 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
494 static 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
515 void 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
527 void 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
540 static 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
564 static 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
580 static 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
586 static 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
599 int 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
656 static const 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
667 static const 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
678 int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device)
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         return 0;
701 }
702
703 int snd_ad1816a_timer(struct snd_ad1816a *chip, int device)
704 {
705         struct snd_timer *timer;
706         struct snd_timer_id tid;
707         int error;
708
709         tid.dev_class = SNDRV_TIMER_CLASS_CARD;
710         tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
711         tid.card = chip->card->number;
712         tid.device = device;
713         tid.subdevice = 0;
714         if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0)
715                 return error;
716         strcpy(timer->name, snd_ad1816a_chip_id(chip));
717         timer->private_data = chip;
718         chip->timer = timer;
719         timer->hw = snd_ad1816a_timer_table;
720         return 0;
721 }
722
723 /*
724  *
725  */
726
727 static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
728 {
729         static const char * const texts[8] = {
730                 "Line", "Mix", "CD", "Synth", "Video",
731                 "Mic", "Phone",
732         };
733
734         return snd_ctl_enum_info(uinfo, 2, 7, texts);
735 }
736
737 static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
738 {
739         struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
740         unsigned long flags;
741         unsigned short val;
742         
743         spin_lock_irqsave(&chip->lock, flags);
744         val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL);
745         spin_unlock_irqrestore(&chip->lock, flags);
746         ucontrol->value.enumerated.item[0] = (val >> 12) & 7;
747         ucontrol->value.enumerated.item[1] = (val >> 4) & 7;
748         return 0;
749 }
750
751 static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
752 {
753         struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
754         unsigned long flags;
755         unsigned short val;
756         int change;
757         
758         if (ucontrol->value.enumerated.item[0] > 6 ||
759             ucontrol->value.enumerated.item[1] > 6)
760                 return -EINVAL;
761         val = (ucontrol->value.enumerated.item[0] << 12) |
762               (ucontrol->value.enumerated.item[1] << 4);
763         spin_lock_irqsave(&chip->lock, flags);
764         change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val;
765         snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val);
766         spin_unlock_irqrestore(&chip->lock, flags);
767         return change;
768 }
769
770 #define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv)       \
771 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
772   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
773   .name = xname, .info = snd_ad1816a_info_single, \
774   .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
775   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
776   .tlv = { .p = (xtlv) } }
777 #define AD1816A_SINGLE(xname, reg, shift, mask, invert) \
778 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \
779   .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
780   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
781
782 static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
783 {
784         int mask = (kcontrol->private_value >> 16) & 0xff;
785
786         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
787         uinfo->count = 1;
788         uinfo->value.integer.min = 0;
789         uinfo->value.integer.max = mask;
790         return 0;
791 }
792
793 static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
794 {
795         struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
796         unsigned long flags;
797         int reg = kcontrol->private_value & 0xff;
798         int shift = (kcontrol->private_value >> 8) & 0xff;
799         int mask = (kcontrol->private_value >> 16) & 0xff;
800         int invert = (kcontrol->private_value >> 24) & 0xff;
801         
802         spin_lock_irqsave(&chip->lock, flags);
803         ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask;
804         spin_unlock_irqrestore(&chip->lock, flags);
805         if (invert)
806                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
807         return 0;
808 }
809
810 static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
811 {
812         struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
813         unsigned long flags;
814         int reg = kcontrol->private_value & 0xff;
815         int shift = (kcontrol->private_value >> 8) & 0xff;
816         int mask = (kcontrol->private_value >> 16) & 0xff;
817         int invert = (kcontrol->private_value >> 24) & 0xff;
818         int change;
819         unsigned short old_val, val;
820         
821         val = (ucontrol->value.integer.value[0] & mask);
822         if (invert)
823                 val = mask - val;
824         val <<= shift;
825         spin_lock_irqsave(&chip->lock, flags);
826         old_val = snd_ad1816a_read(chip, reg);
827         val = (old_val & ~(mask << shift)) | val;
828         change = val != old_val;
829         snd_ad1816a_write(chip, reg, val);
830         spin_unlock_irqrestore(&chip->lock, flags);
831         return change;
832 }
833
834 #define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
835 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
836   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
837   .name = xname, .info = snd_ad1816a_info_double,               \
838   .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
839   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
840   .tlv = { .p = (xtlv) } }
841
842 #define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
843 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \
844   .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
845   .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
846
847 static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
848 {
849         int mask = (kcontrol->private_value >> 16) & 0xff;
850
851         uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
852         uinfo->count = 2;
853         uinfo->value.integer.min = 0;
854         uinfo->value.integer.max = mask;
855         return 0;
856 }
857
858 static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
859 {
860         struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
861         unsigned long flags;
862         int reg = kcontrol->private_value & 0xff;
863         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
864         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
865         int mask = (kcontrol->private_value >> 16) & 0xff;
866         int invert = (kcontrol->private_value >> 24) & 0xff;
867         unsigned short val;
868         
869         spin_lock_irqsave(&chip->lock, flags);
870         val = snd_ad1816a_read(chip, reg);
871         ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
872         ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
873         spin_unlock_irqrestore(&chip->lock, flags);
874         if (invert) {
875                 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
876                 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
877         }
878         return 0;
879 }
880
881 static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
882 {
883         struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
884         unsigned long flags;
885         int reg = kcontrol->private_value & 0xff;
886         int shift_left = (kcontrol->private_value >> 8) & 0x0f;
887         int shift_right = (kcontrol->private_value >> 12) & 0x0f;
888         int mask = (kcontrol->private_value >> 16) & 0xff;
889         int invert = (kcontrol->private_value >> 24) & 0xff;
890         int change;
891         unsigned short old_val, val1, val2;
892         
893         val1 = ucontrol->value.integer.value[0] & mask;
894         val2 = ucontrol->value.integer.value[1] & mask;
895         if (invert) {
896                 val1 = mask - val1;
897                 val2 = mask - val2;
898         }
899         val1 <<= shift_left;
900         val2 <<= shift_right;
901         spin_lock_irqsave(&chip->lock, flags);
902         old_val = snd_ad1816a_read(chip, reg);
903         val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
904         change = val1 != old_val;
905         snd_ad1816a_write(chip, reg, val1);
906         spin_unlock_irqrestore(&chip->lock, flags);
907         return change;
908 }
909
910 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
911 static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
912 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
913 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
914 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
915
916 static struct snd_kcontrol_new snd_ad1816a_controls[] = {
917 AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
918 AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1,
919                    db_scale_5bit),
920 AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),
921 AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1,
922                    db_scale_6bit),
923 AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),
924 AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1,
925                    db_scale_5bit_12db_max),
926 AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),
927 AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1,
928                    db_scale_5bit_12db_max),
929 AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),
930 AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1,
931                    db_scale_5bit_12db_max),
932 AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
933 AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1,
934                    db_scale_6bit),
935 AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
936 AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1,
937                    db_scale_5bit_12db_max),
938 AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
939 AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
940 AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1,
941                    db_scale_5bit_12db_max),
942 AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),
943 AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1,
944                    db_scale_4bit),
945 AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),
946 AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1,
947                    db_scale_5bit),
948 {
949         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
950         .name = "Capture Source",
951         .info = snd_ad1816a_info_mux,
952         .get = snd_ad1816a_get_mux,
953         .put = snd_ad1816a_put_mux,
954 },
955 AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),
956 AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0,
957                    db_scale_rec_gain),
958 AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),
959 AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),
960 };
961                                         
962 int snd_ad1816a_mixer(struct snd_ad1816a *chip)
963 {
964         struct snd_card *card;
965         unsigned int idx;
966         int err;
967
968         if (snd_BUG_ON(!chip || !chip->card))
969                 return -EINVAL;
970
971         card = chip->card;
972
973         strcpy(card->mixername, snd_ad1816a_chip_id(chip));
974
975         for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) {
976                 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0)
977                         return err;
978         }
979         return 0;
980 }