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[PATCH] irq-flags: video: Use the new IRQF_ constants
[deliverable/linux.git] / sound / isa / ad1816a / ad1816a_lib.c
CommitLineData
1da177e4
LT		 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/ad1816a.h>
28
29#include <asm/io.h>
30#include <asm/dma.h>
31
cbdd0dd1 32static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip)
1da177e4
LT		 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("chip busy.\n");
41 return -EBUSY;
42}
43
cbdd0dd1 44static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg)
1da177e4
LT		 45{
46 snd_ad1816a_busy_wait(chip);
47 return inb(AD1816A_REG(reg));
48}
49
cbdd0dd1 50static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg,
1da177e4
LT		 51 unsigned char value)
52{
53 snd_ad1816a_busy_wait(chip);
54 outb(value, AD1816A_REG(reg));
55}
56
cbdd0dd1 57static inline void snd_ad1816a_out_mask(struct snd_ad1816a *chip, unsigned char reg,
1da177e4
LT		 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
cbdd0dd1 64static unsigned short snd_ad1816a_read(struct snd_ad1816a *chip, unsigned char reg)
1da177e4
LT		 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
cbdd0dd1 71static void snd_ad1816a_write(struct snd_ad1816a *chip, unsigned char reg,
1da177e4
LT		 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
cbdd0dd1 79static void snd_ad1816a_write_mask(struct snd_ad1816a *chip, unsigned char reg,
1da177e4
LT		 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
cbdd0dd1 87static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip,
1da177e4
LT		 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
cbdd0dd1 108static int snd_ad1816a_open(struct snd_ad1816a *chip, unsigned int mode)
1da177e4
LT		 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
cbdd0dd1 144static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode)
1da177e4
LT		 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
cbdd0dd1 176static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what,
d08a23e2 177 int channel, int cmd, int iscapture)
1da177e4
LT		 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;
d08a23e2
KA		 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)
1da177e4
LT		 191 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
192 AD1816A_PLAYBACK_ENABLE, cmd);
d08a23e2 193 else
1da177e4
LT		 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("invalid trigger mode 0x%x.\n", what);
200 error = -EINVAL;
201 }
202
203 return error;
204}
205
cbdd0dd1 206static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd)
1da177e4 207{
cbdd0dd1 208 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
1da177e4 209 return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE,
d08a23e2 210 SNDRV_PCM_STREAM_PLAYBACK, cmd, 0);
1da177e4
LT		 211}
212
cbdd0dd1 213static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd)
1da177e4 214{
cbdd0dd1 215 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
1da177e4 216 return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE,
d08a23e2 217 SNDRV_PCM_STREAM_CAPTURE, cmd, 1);
1da177e4
LT		 218}
219
cbdd0dd1
TI		 220static int snd_ad1816a_hw_params(struct snd_pcm_substream *substream,
221 struct snd_pcm_hw_params *hw_params)
1da177e4
LT		 222{
223 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
224}
225
cbdd0dd1 226static int snd_ad1816a_hw_free(struct snd_pcm_substream *substream)
1da177e4
LT		 227{
228 return snd_pcm_lib_free_pages(substream);
229}
230
cbdd0dd1 231static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream)
1da177e4 232{
cbdd0dd1 233 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
1da177e4 234 unsigned long flags;
cbdd0dd1 235 struct snd_pcm_runtime *runtime = substream->runtime;
5b8f7f73 236 unsigned int size, rate;
1da177e4
LT		 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
5b8f7f73
TI		 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);
1da177e4
LT		 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
cbdd0dd1 263static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream)
1da177e4 264{
cbdd0dd1 265 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
1da177e4 266 unsigned long flags;
cbdd0dd1 267 struct snd_pcm_runtime *runtime = substream->runtime;
5b8f7f73 268 unsigned int size, rate;
1da177e4
LT		 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
5b8f7f73
TI		 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);
1da177e4
LT		 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
cbdd0dd1 296static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream)
1da177e4 297{
cbdd0dd1 298 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 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
cbdd0dd1 306static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream)
1da177e4 307{
cbdd0dd1 308 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 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, struct pt_regs *regs)
318{
cbdd0dd1 319 struct snd_ad1816a *chip = dev_id;
1da177e4
LT		 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
cbdd0dd1 342static struct snd_pcm_hardware snd_ad1816a_playback = {
1da177e4
LT		 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
cbdd0dd1 361static struct snd_pcm_hardware snd_ad1816a_capture = {
1da177e4
LT		 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#if 0 /* not used now */
cbdd0dd1 381static int snd_ad1816a_timer_close(struct snd_timer *timer)
1da177e4 382{
cbdd0dd1 383 struct snd_ad1816a *chip = snd_timer_chip(timer);
1da177e4
LT		 384 snd_ad1816a_close(chip, AD1816A_MODE_TIMER);
385 return 0;
386}
387
cbdd0dd1 388static int snd_ad1816a_timer_open(struct snd_timer *timer)
1da177e4 389{
cbdd0dd1 390 struct snd_ad1816a *chip = snd_timer_chip(timer);
1da177e4
LT		 391 snd_ad1816a_open(chip, AD1816A_MODE_TIMER);
392 return 0;
393}
394
cbdd0dd1 395static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer)
1da177e4
LT		 396{
397 snd_assert(timer != NULL, return 0);
398
399 return 10000;
400}
401
cbdd0dd1 402static int snd_ad1816a_timer_start(struct snd_timer *timer)
1da177e4
LT		 403{
404 unsigned short bits;
405 unsigned long flags;
cbdd0dd1 406 struct snd_ad1816a *chip = snd_timer_chip(timer);
1da177e4
LT		 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
cbdd0dd1 421static int snd_ad1816a_timer_stop(struct snd_timer *timer)
1da177e4
LT		 422{
423 unsigned long flags;
cbdd0dd1 424 struct snd_ad1816a *chip = snd_timer_chip(timer);
1da177e4
LT		 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
cbdd0dd1 434static struct snd_timer_hardware snd_ad1816a_timer_table = {
1da177e4
LT		 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#endif /* not used now */
445
446
cbdd0dd1 447static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream)
1da177e4 448{
cbdd0dd1
TI		 449 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
450 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 451 int error;
452
453 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0)
454 return error;
455 snd_pcm_set_sync(substream);
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
cbdd0dd1 463static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream)
1da177e4 464{
cbdd0dd1
TI		 465 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
466 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 467 int error;
468
469 if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0)
470 return error;
471 snd_pcm_set_sync(substream);
472 runtime->hw = snd_ad1816a_capture;
473 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
474 snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
475 chip->capture_substream = substream;
476 return 0;
477}
478
cbdd0dd1 479static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream)
1da177e4 480{
cbdd0dd1 481 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 482
483 chip->playback_substream = NULL;
484 snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK);
485 return 0;
486}
487
cbdd0dd1 488static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream)
1da177e4 489{
cbdd0dd1 490 struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
1da177e4
LT		 491
492 chip->capture_substream = NULL;
493 snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE);
494 return 0;
495}
496
497
00a4e3d9 498static void __devinit snd_ad1816a_init(struct snd_ad1816a *chip)
1da177e4
LT		 499{
500 unsigned long flags;
501
502 spin_lock_irqsave(&chip->lock, flags);
503
504 snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
505 snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
506 AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
507 snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
508 AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
509 snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000);
510 snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG,
511 AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff);
512 snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000);
513 snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000);
514
515 spin_unlock_irqrestore(&chip->lock, flags);
516}
517
00a4e3d9 518static int __devinit snd_ad1816a_probe(struct snd_ad1816a *chip)
1da177e4
LT		 519{
520 unsigned long flags;
521
522 spin_lock_irqsave(&chip->lock, flags);
523
524 switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) {
525 case 0:
526 chip->hardware = AD1816A_HW_AD1815;
527 break;
528 case 1:
529 chip->hardware = AD1816A_HW_AD18MAX10;
530 break;
531 case 3:
532 chip->hardware = AD1816A_HW_AD1816A;
533 break;
534 default:
535 chip->hardware = AD1816A_HW_AUTO;
536 }
537
538 spin_unlock_irqrestore(&chip->lock, flags);
539 return 0;
540}
541
cbdd0dd1 542static int snd_ad1816a_free(struct snd_ad1816a *chip)
1da177e4 543{
b1d5776d 544 release_and_free_resource(chip->res_port);
1da177e4
LT		 545 if (chip->irq >= 0)
546 free_irq(chip->irq, (void *) chip);
547 if (chip->dma1 >= 0) {
548 snd_dma_disable(chip->dma1);
549 free_dma(chip->dma1);
550 }
551 if (chip->dma2 >= 0) {
552 snd_dma_disable(chip->dma2);
553 free_dma(chip->dma2);
554 }
555 kfree(chip);
556 return 0;
557}
558
cbdd0dd1 559static int snd_ad1816a_dev_free(struct snd_device *device)
1da177e4 560{
cbdd0dd1 561 struct snd_ad1816a *chip = device->device_data;
1da177e4
LT		 562 return snd_ad1816a_free(chip);
563}
564
00a4e3d9 565static const char __devinit *snd_ad1816a_chip_id(struct snd_ad1816a *chip)
1da177e4
LT		 566{
567 switch (chip->hardware) {
568 case AD1816A_HW_AD1816A: return "AD1816A";
569 case AD1816A_HW_AD1815: return "AD1815";
570 case AD1816A_HW_AD18MAX10: return "AD18max10";
571 default:
572 snd_printk("Unknown chip version %d:%d.\n",
573 chip->version, chip->hardware);
574 return "AD1816A - unknown";
575 }
576}
577
00a4e3d9
TI		 578int __devinit snd_ad1816a_create(struct snd_card *card,
579 unsigned long port, int irq, int dma1, int dma2,
580 struct snd_ad1816a **rchip)
1da177e4 581{
cbdd0dd1 582 static struct snd_device_ops ops = {
1da177e4
LT		 583 .dev_free = snd_ad1816a_dev_free,
584 };
585 int error;
cbdd0dd1 586 struct snd_ad1816a *chip;
1da177e4
LT		 587
588 *rchip = NULL;
589
9e76a76e 590 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1da177e4
LT		 591 if (chip == NULL)
592 return -ENOMEM;
593 chip->irq = -1;
594 chip->dma1 = -1;
595 chip->dma2 = -1;
596
597 if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) {
598 snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port);
599 snd_ad1816a_free(chip);
600 return -EBUSY;
601 }
602 if (request_irq(irq, snd_ad1816a_interrupt, SA_INTERRUPT, "AD1816A", (void *) chip)) {
603 snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq);
604 snd_ad1816a_free(chip);
605 return -EBUSY;
606 }
607 chip->irq = irq;
608 if (request_dma(dma1, "AD1816A - 1")) {
609 snd_printk(KERN_ERR "ad1816a: can't grab DMA1 %d\n", dma1);
610 snd_ad1816a_free(chip);
611 return -EBUSY;
612 }
613 chip->dma1 = dma1;
614 if (request_dma(dma2, "AD1816A - 2")) {
615 snd_printk(KERN_ERR "ad1816a: can't grab DMA2 %d\n", dma2);
616 snd_ad1816a_free(chip);
617 return -EBUSY;
618 }
619 chip->dma2 = dma2;
620
621 chip->card = card;
622 chip->port = port;
623 spin_lock_init(&chip->lock);
624
625 if ((error = snd_ad1816a_probe(chip))) {
626 snd_ad1816a_free(chip);
627 return error;
628 }
629
630 snd_ad1816a_init(chip);
631
632 /* Register device */
633 if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
634 snd_ad1816a_free(chip);
635 return error;
636 }
637
638 *rchip = chip;
639 return 0;
640}
641
cbdd0dd1 642static struct snd_pcm_ops snd_ad1816a_playback_ops = {
1da177e4
LT		 643 .open = snd_ad1816a_playback_open,
644 .close = snd_ad1816a_playback_close,
645 .ioctl = snd_pcm_lib_ioctl,
646 .hw_params = snd_ad1816a_hw_params,
647 .hw_free = snd_ad1816a_hw_free,
648 .prepare = snd_ad1816a_playback_prepare,
649 .trigger = snd_ad1816a_playback_trigger,
650 .pointer = snd_ad1816a_playback_pointer,
651};
652
cbdd0dd1 653static struct snd_pcm_ops snd_ad1816a_capture_ops = {
1da177e4
LT		 654 .open = snd_ad1816a_capture_open,
655 .close = snd_ad1816a_capture_close,
656 .ioctl = snd_pcm_lib_ioctl,
657 .hw_params = snd_ad1816a_hw_params,
658 .hw_free = snd_ad1816a_hw_free,
659 .prepare = snd_ad1816a_capture_prepare,
660 .trigger = snd_ad1816a_capture_trigger,
661 .pointer = snd_ad1816a_capture_pointer,
662};
663
00a4e3d9 664int __devinit snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm)
1da177e4
LT		 665{
666 int error;
cbdd0dd1 667 struct snd_pcm *pcm;
1da177e4
LT		 668
669 if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm)))
670 return error;
671
672 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops);
673 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops);
674
675 pcm->private_data = chip;
1da177e4
LT		 676 pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0;
677
678 strcpy(pcm->name, snd_ad1816a_chip_id(chip));
679 snd_ad1816a_init(chip);
680
681 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
682 snd_dma_isa_data(),
683 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
684
685 chip->pcm = pcm;
686 if (rpcm)
687 *rpcm = pcm;
688 return 0;
689}
690
691#if 0 /* not used now */
00a4e3d9 692int __devinit snd_ad1816a_timer(struct snd_ad1816a *chip, int device, struct snd_timer **rtimer)
1da177e4 693{
cbdd0dd1
TI		 694 struct snd_timer *timer;
695 struct snd_timer_id tid;
1da177e4
LT		 696 int error;
697
698 tid.dev_class = SNDRV_TIMER_CLASS_CARD;
699 tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
700 tid.card = chip->card->number;
701 tid.device = device;
702 tid.subdevice = 0;
703 if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0)
704 return error;
705 strcpy(timer->name, snd_ad1816a_chip_id(chip));
706 timer->private_data = chip;
1da177e4
LT		 707 chip->timer = timer;
708 timer->hw = snd_ad1816a_timer_table;
709 if (rtimer)
710 *rtimer = timer;
711 return 0;
712}
713#endif /* not used now */
714
715/*
716 *
717 */
718
cbdd0dd1 719static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 720{
721 static char *texts[8] = {
722 "Line", "Mix", "CD", "Synth", "Video",
723 "Mic", "Phone",
724 };
725
726 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
727 uinfo->count = 2;
728 uinfo->value.enumerated.items = 7;
729 if (uinfo->value.enumerated.item > 6)
730 uinfo->value.enumerated.item = 6;
731 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
732 return 0;
733}
734
cbdd0dd1 735static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 736{
cbdd0dd1 737 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 738 unsigned long flags;
739 unsigned short val;
740
741 spin_lock_irqsave(&chip->lock, flags);
742 val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL);
743 spin_unlock_irqrestore(&chip->lock, flags);
744 ucontrol->value.enumerated.item[0] = (val >> 12) & 7;
745 ucontrol->value.enumerated.item[1] = (val >> 4) & 7;
746 return 0;
747}
748
cbdd0dd1 749static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 750{
cbdd0dd1 751 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 752 unsigned long flags;
753 unsigned short val;
754 int change;
755
756 if (ucontrol->value.enumerated.item[0] > 6 ||
757 ucontrol->value.enumerated.item[1] > 6)
758 return -EINVAL;
759 val = (ucontrol->value.enumerated.item[0] << 12) |
760 (ucontrol->value.enumerated.item[1] << 4);
761 spin_lock_irqsave(&chip->lock, flags);
762 change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val;
763 snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val);
764 spin_unlock_irqrestore(&chip->lock, flags);
765 return change;
766}
767
768#define AD1816A_SINGLE(xname, reg, shift, mask, invert) \
769{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \
770 .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
771 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
772
cbdd0dd1 773static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 774{
775 int mask = (kcontrol->private_value >> 16) & 0xff;
776
777 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
778 uinfo->count = 1;
779 uinfo->value.integer.min = 0;
780 uinfo->value.integer.max = mask;
781 return 0;
782}
783
cbdd0dd1 784static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 785{
cbdd0dd1 786 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 787 unsigned long flags;
788 int reg = kcontrol->private_value & 0xff;
789 int shift = (kcontrol->private_value >> 8) & 0xff;
790 int mask = (kcontrol->private_value >> 16) & 0xff;
791 int invert = (kcontrol->private_value >> 24) & 0xff;
792
793 spin_lock_irqsave(&chip->lock, flags);
794 ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask;
795 spin_unlock_irqrestore(&chip->lock, flags);
796 if (invert)
797 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
798 return 0;
799}
800
cbdd0dd1 801static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 802{
cbdd0dd1 803 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 804 unsigned long flags;
805 int reg = kcontrol->private_value & 0xff;
806 int shift = (kcontrol->private_value >> 8) & 0xff;
807 int mask = (kcontrol->private_value >> 16) & 0xff;
808 int invert = (kcontrol->private_value >> 24) & 0xff;
809 int change;
810 unsigned short old_val, val;
811
812 val = (ucontrol->value.integer.value[0] & mask);
813 if (invert)
814 val = mask - val;
815 val <<= shift;
816 spin_lock_irqsave(&chip->lock, flags);
817 old_val = snd_ad1816a_read(chip, reg);
818 val = (old_val & ~(mask << shift)) | val;
819 change = val != old_val;
820 snd_ad1816a_write(chip, reg, val);
821 spin_unlock_irqrestore(&chip->lock, flags);
822 return change;
823}
824
825#define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
826{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \
827 .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
828 .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
829
cbdd0dd1 830static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1da177e4
LT		 831{
832 int mask = (kcontrol->private_value >> 16) & 0xff;
833
834 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
835 uinfo->count = 2;
836 uinfo->value.integer.min = 0;
837 uinfo->value.integer.max = mask;
838 return 0;
839}
840
cbdd0dd1 841static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 842{
cbdd0dd1 843 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 844 unsigned long flags;
845 int reg = kcontrol->private_value & 0xff;
846 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
847 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
848 int mask = (kcontrol->private_value >> 16) & 0xff;
849 int invert = (kcontrol->private_value >> 24) & 0xff;
850 unsigned short val;
851
852 spin_lock_irqsave(&chip->lock, flags);
853 val = snd_ad1816a_read(chip, reg);
854 ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
855 ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
856 spin_unlock_irqrestore(&chip->lock, flags);
857 if (invert) {
858 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
859 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
860 }
861 return 0;
862}
863
cbdd0dd1 864static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1da177e4 865{
cbdd0dd1 866 struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
1da177e4
LT		 867 unsigned long flags;
868 int reg = kcontrol->private_value & 0xff;
869 int shift_left = (kcontrol->private_value >> 8) & 0x0f;
870 int shift_right = (kcontrol->private_value >> 12) & 0x0f;
871 int mask = (kcontrol->private_value >> 16) & 0xff;
872 int invert = (kcontrol->private_value >> 24) & 0xff;
873 int change;
874 unsigned short old_val, val1, val2;
875
876 val1 = ucontrol->value.integer.value[0] & mask;
877 val2 = ucontrol->value.integer.value[1] & mask;
878 if (invert) {
879 val1 = mask - val1;
880 val2 = mask - val2;
881 }
882 val1 <<= shift_left;
883 val2 <<= shift_right;
884 spin_lock_irqsave(&chip->lock, flags);
885 old_val = snd_ad1816a_read(chip, reg);
886 val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
887 change = val1 != old_val;
888 snd_ad1816a_write(chip, reg, val1);
889 spin_unlock_irqrestore(&chip->lock, flags);
890 return change;
891}
892
00a4e3d9 893static struct snd_kcontrol_new snd_ad1816a_controls[] __devinitdata = {
1da177e4
LT		 894AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
895AD1816A_DOUBLE("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1),
896AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),
897AD1816A_DOUBLE("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1),
898AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),
899AD1816A_DOUBLE("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1),
900AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),
901AD1816A_DOUBLE("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1),
902AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),
903AD1816A_DOUBLE("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1),
904AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
905AD1816A_DOUBLE("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1),
906AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
907AD1816A_SINGLE("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1),
908AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
909AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
910AD1816A_DOUBLE("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1),
911AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),
912AD1816A_SINGLE("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1),
913AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),
914AD1816A_SINGLE("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1),
915{
916 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
917 .name = "Capture Source",
918 .info = snd_ad1816a_info_mux,
919 .get = snd_ad1816a_get_mux,
920 .put = snd_ad1816a_put_mux,
921},
922AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),
923AD1816A_DOUBLE("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0),
924AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),
925AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),
926};
927
00a4e3d9 928int __devinit snd_ad1816a_mixer(struct snd_ad1816a *chip)
1da177e4 929{
cbdd0dd1 930 struct snd_card *card;
1da177e4
LT		 931 unsigned int idx;
932 int err;
933
934 snd_assert(chip != NULL && chip->card != NULL, return -EINVAL);
935
936 card = chip->card;
937
938 strcpy(card->mixername, snd_ad1816a_chip_id(chip));
939
940 for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) {
941 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0)
942 return err;
943 }
944 return 0;
945}
Linux kernel - Deliverables
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