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