2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3 * Routines for control of AD1848/AD1847/CS4248
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
22 #define SNDRV_MAIN_OBJECT_FILE
23 #include <linux/delay.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/slab.h>
27 #include <linux/ioport.h>
28 #include <sound/core.h>
29 #include <sound/ad1848.h>
30 #include <sound/control.h>
31 #include <sound/tlv.h>
32 #include <sound/pcm_params.h>
37 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
38 MODULE_DESCRIPTION("Routines for control of AD1848/AD1847/CS4248");
39 MODULE_LICENSE("GPL");
42 #define SNDRV_DEBUG_MCE
49 static unsigned char freq_bits
[14] = {
50 /* 5510 */ 0x00 | AD1848_XTAL2
,
51 /* 6620 */ 0x0E | AD1848_XTAL2
,
52 /* 8000 */ 0x00 | AD1848_XTAL1
,
53 /* 9600 */ 0x0E | AD1848_XTAL1
,
54 /* 11025 */ 0x02 | AD1848_XTAL2
,
55 /* 16000 */ 0x02 | AD1848_XTAL1
,
56 /* 18900 */ 0x04 | AD1848_XTAL2
,
57 /* 22050 */ 0x06 | AD1848_XTAL2
,
58 /* 27042 */ 0x04 | AD1848_XTAL1
,
59 /* 32000 */ 0x06 | AD1848_XTAL1
,
60 /* 33075 */ 0x0C | AD1848_XTAL2
,
61 /* 37800 */ 0x08 | AD1848_XTAL2
,
62 /* 44100 */ 0x0A | AD1848_XTAL2
,
63 /* 48000 */ 0x0C | AD1848_XTAL1
66 static unsigned int rates
[14] = {
67 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050,
68 27042, 32000, 33075, 37800, 44100, 48000
71 static struct snd_pcm_hw_constraint_list hw_constraints_rates
= {
72 .count
= ARRAY_SIZE(rates
),
77 static unsigned char snd_ad1848_original_image
[16] =
81 0x9f, /* 02 - la1ic */
82 0x9f, /* 03 - ra1ic */
83 0x9f, /* 04 - la2ic */
84 0x9f, /* 05 - ra2ic */
88 AD1848_AUTOCALIB
, /* 09 - ic */
101 static void snd_ad1848_wait(struct snd_wss
*chip
)
105 for (timeout
= 250; timeout
> 0; timeout
--) {
106 if ((inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
) == 0)
112 void snd_ad1848_out(struct snd_wss
*chip
,
116 snd_ad1848_wait(chip
);
117 #ifdef CONFIG_SND_DEBUG
118 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
119 snd_printk(KERN_WARNING
"auto calibration time out - "
120 "reg = 0x%x, value = 0x%x\n", reg
, value
);
122 outb(chip
->mce_bit
| reg
, AD1848P(chip
, REGSEL
));
123 outb(chip
->image
[reg
] = value
, AD1848P(chip
, REG
));
125 snd_printdd("codec out - reg 0x%x = 0x%x\n",
126 chip
->mce_bit
| reg
, value
);
129 EXPORT_SYMBOL(snd_ad1848_out
);
131 static void snd_ad1848_dout(struct snd_wss
*chip
,
132 unsigned char reg
, unsigned char value
)
134 snd_ad1848_wait(chip
);
135 outb(chip
->mce_bit
| reg
, AD1848P(chip
, REGSEL
));
136 outb(value
, AD1848P(chip
, REG
));
140 static unsigned char snd_ad1848_in(struct snd_wss
*chip
, unsigned char reg
)
142 snd_ad1848_wait(chip
);
143 #ifdef CONFIG_SND_DEBUG
144 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
145 snd_printk(KERN_WARNING
"auto calibration time out - "
146 "reg = 0x%x\n", reg
);
148 outb(chip
->mce_bit
| reg
, AD1848P(chip
, REGSEL
));
150 return inb(AD1848P(chip
, REG
));
155 static void snd_ad1848_debug(struct snd_wss
*chip
)
157 printk("AD1848 REGS: INDEX = 0x%02x ", inb(AD1848P(chip
, REGSEL
)));
158 printk(" STATUS = 0x%02x\n", inb(AD1848P(chip
, STATUS
)));
159 printk(" 0x00: left input = 0x%02x ", snd_ad1848_in(chip
, 0x00));
160 printk(" 0x08: playback format = 0x%02x\n", snd_ad1848_in(chip
, 0x08));
161 printk(" 0x01: right input = 0x%02x ", snd_ad1848_in(chip
, 0x01));
162 printk(" 0x09: iface (CFIG 1) = 0x%02x\n", snd_ad1848_in(chip
, 0x09));
163 printk(" 0x02: AUXA left = 0x%02x ", snd_ad1848_in(chip
, 0x02));
164 printk(" 0x0a: pin control = 0x%02x\n", snd_ad1848_in(chip
, 0x0a));
165 printk(" 0x03: AUXA right = 0x%02x ", snd_ad1848_in(chip
, 0x03));
166 printk(" 0x0b: init & status = 0x%02x\n", snd_ad1848_in(chip
, 0x0b));
167 printk(" 0x04: AUXB left = 0x%02x ", snd_ad1848_in(chip
, 0x04));
168 printk(" 0x0c: revision & mode = 0x%02x\n", snd_ad1848_in(chip
, 0x0c));
169 printk(" 0x05: AUXB right = 0x%02x ", snd_ad1848_in(chip
, 0x05));
170 printk(" 0x0d: loopback = 0x%02x\n", snd_ad1848_in(chip
, 0x0d));
171 printk(" 0x06: left output = 0x%02x ", snd_ad1848_in(chip
, 0x06));
172 printk(" 0x0e: data upr count = 0x%02x\n", snd_ad1848_in(chip
, 0x0e));
173 printk(" 0x07: right output = 0x%02x ", snd_ad1848_in(chip
, 0x07));
174 printk(" 0x0f: data lwr count = 0x%02x\n", snd_ad1848_in(chip
, 0x0f));
180 * AD1848 detection / MCE routines
183 static void snd_ad1848_mce_up(struct snd_wss
*chip
)
188 snd_ad1848_wait(chip
);
189 #ifdef CONFIG_SND_DEBUG
190 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
191 snd_printk(KERN_WARNING
"mce_up - auto calibration time out (0)\n");
193 spin_lock_irqsave(&chip
->reg_lock
, flags
);
194 chip
->mce_bit
|= AD1848_MCE
;
195 timeout
= inb(AD1848P(chip
, REGSEL
));
197 snd_printk(KERN_WARNING
"mce_up [0x%lx]: serious init problem - codec still busy\n", chip
->port
);
198 if (!(timeout
& AD1848_MCE
))
199 outb(chip
->mce_bit
| (timeout
& 0x1f), AD1848P(chip
, REGSEL
));
200 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
203 static void snd_ad1848_mce_down(struct snd_wss
*chip
)
205 unsigned long flags
, timeout
;
208 spin_lock_irqsave(&chip
->reg_lock
, flags
);
209 for (timeout
= 5; timeout
> 0; timeout
--)
210 inb(AD1848P(chip
, REGSEL
));
211 /* end of cleanup sequence */
212 for (timeout
= 12000; timeout
> 0 && (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
); timeout
--)
215 snd_printdd("(1) timeout = %ld\n", timeout
);
217 #ifdef CONFIG_SND_DEBUG
218 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
219 snd_printk(KERN_WARNING
"mce_down [0x%lx] - auto calibration time out (0)\n", AD1848P(chip
, REGSEL
));
222 chip
->mce_bit
&= ~AD1848_MCE
;
223 reg
= inb(AD1848P(chip
, REGSEL
));
224 outb(chip
->mce_bit
| (reg
& 0x1f), AD1848P(chip
, REGSEL
));
226 snd_printk(KERN_WARNING
"mce_down [0x%lx]: serious init problem - codec still busy\n", chip
->port
);
227 if ((reg
& AD1848_MCE
) == 0) {
228 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
233 * Wait for auto-calibration (AC) process to finish, i.e. ACI to go low.
234 * It may take up to 5 sample periods (at most 907 us @ 5.5125 kHz) for
235 * the process to _start_, so it is important to wait at least that long
236 * before checking. Otherwise we might think AC has finished when it
237 * has in fact not begun. It could take 128 (no AC) or 384 (AC) cycles
238 * for ACI to drop. This gives a wait of at most 70 ms with a more
239 * typical value of 3-9 ms.
241 timeout
= jiffies
+ msecs_to_jiffies(250);
243 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
245 spin_lock_irqsave(&chip
->reg_lock
, flags
);
246 reg
= snd_ad1848_in(chip
, AD1848_TEST_INIT
) &
247 AD1848_CALIB_IN_PROGRESS
;
248 } while (reg
&& time_before(jiffies
, timeout
));
249 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
252 "mce_down - auto calibration time out (2)\n");
254 snd_printdd("(4) jiffies = %lu\n", jiffies
);
255 snd_printd("mce_down - exit = 0x%x\n", inb(AD1848P(chip
, REGSEL
)));
258 static unsigned int snd_ad1848_get_count(unsigned char format
,
261 switch (format
& 0xe0) {
262 case AD1848_LINEAR_16
:
266 if (format
& AD1848_STEREO
)
271 static int snd_ad1848_trigger(struct snd_wss
*chip
, unsigned char what
,
272 int channel
, int cmd
)
277 printk("codec trigger!!! - what = %i, enable = %i, status = 0x%x\n", what
, enable
, inb(AD1848P(card
, STATUS
)));
279 spin_lock(&chip
->reg_lock
);
280 if (cmd
== SNDRV_PCM_TRIGGER_START
) {
281 if (chip
->image
[AD1848_IFACE_CTRL
] & what
) {
282 spin_unlock(&chip
->reg_lock
);
285 snd_ad1848_out(chip
, AD1848_IFACE_CTRL
, chip
->image
[AD1848_IFACE_CTRL
] |= what
);
286 } else if (cmd
== SNDRV_PCM_TRIGGER_STOP
) {
287 if (!(chip
->image
[AD1848_IFACE_CTRL
] & what
)) {
288 spin_unlock(&chip
->reg_lock
);
291 snd_ad1848_out(chip
, AD1848_IFACE_CTRL
, chip
->image
[AD1848_IFACE_CTRL
] &= ~what
);
295 spin_unlock(&chip
->reg_lock
);
303 static unsigned char snd_ad1848_get_rate(unsigned int rate
)
307 for (i
= 0; i
< ARRAY_SIZE(rates
); i
++)
308 if (rate
== rates
[i
])
311 return freq_bits
[ARRAY_SIZE(rates
) - 1];
314 static int snd_ad1848_ioctl(struct snd_pcm_substream
*substream
,
315 unsigned int cmd
, void *arg
)
317 return snd_pcm_lib_ioctl(substream
, cmd
, arg
);
320 static unsigned char snd_ad1848_get_format(int format
, int channels
)
322 unsigned char rformat
;
324 rformat
= AD1848_LINEAR_8
;
326 case SNDRV_PCM_FORMAT_A_LAW
: rformat
= AD1848_ALAW_8
; break;
327 case SNDRV_PCM_FORMAT_MU_LAW
: rformat
= AD1848_ULAW_8
; break;
328 case SNDRV_PCM_FORMAT_S16_LE
: rformat
= AD1848_LINEAR_16
; break;
331 rformat
|= AD1848_STEREO
;
333 snd_printk("get_format: 0x%x (mode=0x%x)\n", format
, mode
);
338 static void snd_ad1848_calibrate_mute(struct snd_wss
*chip
, int mute
)
343 spin_lock_irqsave(&chip
->reg_lock
, flags
);
344 if (chip
->calibrate_mute
== mute
) {
345 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
349 snd_ad1848_dout(chip
, AD1848_LEFT_INPUT
, chip
->image
[AD1848_LEFT_INPUT
]);
350 snd_ad1848_dout(chip
, AD1848_RIGHT_INPUT
, chip
->image
[AD1848_RIGHT_INPUT
]);
352 snd_ad1848_dout(chip
, AD1848_AUX1_LEFT_INPUT
, mute
? 0x80 : chip
->image
[AD1848_AUX1_LEFT_INPUT
]);
353 snd_ad1848_dout(chip
, AD1848_AUX1_RIGHT_INPUT
, mute
? 0x80 : chip
->image
[AD1848_AUX1_RIGHT_INPUT
]);
354 snd_ad1848_dout(chip
, AD1848_AUX2_LEFT_INPUT
, mute
? 0x80 : chip
->image
[AD1848_AUX2_LEFT_INPUT
]);
355 snd_ad1848_dout(chip
, AD1848_AUX2_RIGHT_INPUT
, mute
? 0x80 : chip
->image
[AD1848_AUX2_RIGHT_INPUT
]);
356 snd_ad1848_dout(chip
, AD1848_LEFT_OUTPUT
, mute
? 0x80 : chip
->image
[AD1848_LEFT_OUTPUT
]);
357 snd_ad1848_dout(chip
, AD1848_RIGHT_OUTPUT
, mute
? 0x80 : chip
->image
[AD1848_RIGHT_OUTPUT
]);
358 chip
->calibrate_mute
= mute
;
359 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
362 static void snd_ad1848_set_data_format(struct snd_wss
*chip
,
363 struct snd_pcm_hw_params
*hw_params
)
365 if (hw_params
== NULL
) {
366 chip
->image
[AD1848_DATA_FORMAT
] = 0x20;
368 chip
->image
[AD1848_DATA_FORMAT
] =
369 snd_ad1848_get_format(params_format(hw_params
), params_channels(hw_params
)) |
370 snd_ad1848_get_rate(params_rate(hw_params
));
372 // snd_printk(">>> pmode = 0x%x, dfr = 0x%x\n", pstr->mode, chip->image[AD1848_DATA_FORMAT]);
375 static int snd_ad1848_open(struct snd_wss
*chip
, unsigned int mode
)
379 if (chip
->mode
& WSS_MODE_OPEN
)
382 snd_ad1848_mce_down(chip
);
384 #ifdef SNDRV_DEBUG_MCE
385 snd_printk("open: (1)\n");
387 snd_ad1848_mce_up(chip
);
388 spin_lock_irqsave(&chip
->reg_lock
, flags
);
389 chip
->image
[AD1848_IFACE_CTRL
] &= ~(AD1848_PLAYBACK_ENABLE
| AD1848_PLAYBACK_PIO
|
390 AD1848_CAPTURE_ENABLE
| AD1848_CAPTURE_PIO
|
392 chip
->image
[AD1848_IFACE_CTRL
] |= AD1848_AUTOCALIB
;
393 snd_ad1848_out(chip
, AD1848_IFACE_CTRL
, chip
->image
[AD1848_IFACE_CTRL
]);
394 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
395 snd_ad1848_mce_down(chip
);
397 #ifdef SNDRV_DEBUG_MCE
398 snd_printk("open: (2)\n");
401 snd_ad1848_set_data_format(chip
, NULL
);
403 snd_ad1848_mce_up(chip
);
404 spin_lock_irqsave(&chip
->reg_lock
, flags
);
405 snd_ad1848_out(chip
, AD1848_DATA_FORMAT
, chip
->image
[AD1848_DATA_FORMAT
]);
406 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
407 snd_ad1848_mce_down(chip
);
409 #ifdef SNDRV_DEBUG_MCE
410 snd_printk("open: (3)\n");
413 /* ok. now enable and ack CODEC IRQ */
414 spin_lock_irqsave(&chip
->reg_lock
, flags
);
415 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
416 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
417 chip
->image
[AD1848_PIN_CTRL
] |= AD1848_IRQ_ENABLE
;
418 snd_ad1848_out(chip
, AD1848_PIN_CTRL
, chip
->image
[AD1848_PIN_CTRL
]);
419 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
426 static void snd_ad1848_close(struct snd_wss
*chip
)
433 spin_lock_irqsave(&chip
->reg_lock
, flags
);
434 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
435 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
436 chip
->image
[AD1848_PIN_CTRL
] &= ~AD1848_IRQ_ENABLE
;
437 snd_ad1848_out(chip
, AD1848_PIN_CTRL
, chip
->image
[AD1848_PIN_CTRL
]);
438 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
440 /* now disable capture & playback */
442 snd_ad1848_mce_up(chip
);
443 spin_lock_irqsave(&chip
->reg_lock
, flags
);
444 chip
->image
[AD1848_IFACE_CTRL
] &= ~(AD1848_PLAYBACK_ENABLE
| AD1848_PLAYBACK_PIO
|
445 AD1848_CAPTURE_ENABLE
| AD1848_CAPTURE_PIO
);
446 snd_ad1848_out(chip
, AD1848_IFACE_CTRL
, chip
->image
[AD1848_IFACE_CTRL
]);
447 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
448 snd_ad1848_mce_down(chip
);
450 /* clear IRQ again */
451 spin_lock_irqsave(&chip
->reg_lock
, flags
);
452 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
453 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
454 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
460 * ok.. exported functions..
463 static int snd_ad1848_playback_trigger(struct snd_pcm_substream
*substream
,
466 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
467 return snd_ad1848_trigger(chip
, AD1848_PLAYBACK_ENABLE
, SNDRV_PCM_STREAM_PLAYBACK
, cmd
);
470 static int snd_ad1848_capture_trigger(struct snd_pcm_substream
*substream
,
473 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
474 return snd_ad1848_trigger(chip
, AD1848_CAPTURE_ENABLE
, SNDRV_PCM_STREAM_CAPTURE
, cmd
);
477 static int snd_ad1848_playback_hw_params(struct snd_pcm_substream
*substream
,
478 struct snd_pcm_hw_params
*hw_params
)
480 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
484 if ((err
= snd_pcm_lib_malloc_pages(substream
, params_buffer_bytes(hw_params
))) < 0)
486 snd_ad1848_calibrate_mute(chip
, 1);
487 snd_ad1848_set_data_format(chip
, hw_params
);
488 snd_ad1848_mce_up(chip
);
489 spin_lock_irqsave(&chip
->reg_lock
, flags
);
490 snd_ad1848_out(chip
, AD1848_DATA_FORMAT
, chip
->image
[AD1848_DATA_FORMAT
]);
491 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
492 snd_ad1848_mce_down(chip
);
493 snd_ad1848_calibrate_mute(chip
, 0);
497 static int snd_ad1848_playback_hw_free(struct snd_pcm_substream
*substream
)
499 return snd_pcm_lib_free_pages(substream
);
502 static int snd_ad1848_playback_prepare(struct snd_pcm_substream
*substream
)
504 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
505 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
507 unsigned int size
= snd_pcm_lib_buffer_bytes(substream
);
508 unsigned int count
= snd_pcm_lib_period_bytes(substream
);
510 chip
->p_dma_size
= size
;
511 chip
->image
[AD1848_IFACE_CTRL
] &= ~(AD1848_PLAYBACK_ENABLE
| AD1848_PLAYBACK_PIO
);
512 snd_dma_program(chip
->dma1
, runtime
->dma_addr
, size
,
513 DMA_MODE_WRITE
| DMA_AUTOINIT
);
514 count
= snd_ad1848_get_count(chip
->image
[AD1848_DATA_FORMAT
], count
) - 1;
515 spin_lock_irqsave(&chip
->reg_lock
, flags
);
516 snd_ad1848_out(chip
, AD1848_DATA_LWR_CNT
, (unsigned char) count
);
517 snd_ad1848_out(chip
, AD1848_DATA_UPR_CNT
, (unsigned char) (count
>> 8));
518 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
522 static int snd_ad1848_capture_hw_params(struct snd_pcm_substream
*substream
,
523 struct snd_pcm_hw_params
*hw_params
)
525 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
529 if ((err
= snd_pcm_lib_malloc_pages(substream
, params_buffer_bytes(hw_params
))) < 0)
531 snd_ad1848_calibrate_mute(chip
, 1);
532 snd_ad1848_set_data_format(chip
, hw_params
);
533 snd_ad1848_mce_up(chip
);
534 spin_lock_irqsave(&chip
->reg_lock
, flags
);
535 snd_ad1848_out(chip
, AD1848_DATA_FORMAT
, chip
->image
[AD1848_DATA_FORMAT
]);
536 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
537 snd_ad1848_mce_down(chip
);
538 snd_ad1848_calibrate_mute(chip
, 0);
542 static int snd_ad1848_capture_hw_free(struct snd_pcm_substream
*substream
)
544 return snd_pcm_lib_free_pages(substream
);
547 static int snd_ad1848_capture_prepare(struct snd_pcm_substream
*substream
)
549 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
550 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
552 unsigned int size
= snd_pcm_lib_buffer_bytes(substream
);
553 unsigned int count
= snd_pcm_lib_period_bytes(substream
);
555 chip
->c_dma_size
= size
;
556 chip
->image
[AD1848_IFACE_CTRL
] &= ~(AD1848_CAPTURE_ENABLE
| AD1848_CAPTURE_PIO
);
557 snd_dma_program(chip
->dma2
, runtime
->dma_addr
, size
,
558 DMA_MODE_READ
| DMA_AUTOINIT
);
559 count
= snd_ad1848_get_count(chip
->image
[AD1848_DATA_FORMAT
], count
) - 1;
560 spin_lock_irqsave(&chip
->reg_lock
, flags
);
561 snd_ad1848_out(chip
, AD1848_DATA_LWR_CNT
, (unsigned char) count
);
562 snd_ad1848_out(chip
, AD1848_DATA_UPR_CNT
, (unsigned char) (count
>> 8));
563 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
567 static irqreturn_t
snd_ad1848_interrupt(int irq
, void *dev_id
)
569 struct snd_wss
*chip
= dev_id
;
571 if ((chip
->mode
& WSS_MODE_PLAY
) && chip
->playback_substream
)
572 snd_pcm_period_elapsed(chip
->playback_substream
);
573 if ((chip
->mode
& WSS_MODE_RECORD
) && chip
->capture_substream
)
574 snd_pcm_period_elapsed(chip
->capture_substream
);
575 outb(0, AD1848P(chip
, STATUS
)); /* clear global interrupt bit */
579 static snd_pcm_uframes_t
snd_ad1848_playback_pointer(struct snd_pcm_substream
*substream
)
581 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
584 if (!(chip
->image
[AD1848_IFACE_CTRL
] & AD1848_PLAYBACK_ENABLE
))
586 ptr
= snd_dma_pointer(chip
->dma1
, chip
->p_dma_size
);
587 return bytes_to_frames(substream
->runtime
, ptr
);
590 static snd_pcm_uframes_t
snd_ad1848_capture_pointer(struct snd_pcm_substream
*substream
)
592 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
595 if (!(chip
->image
[AD1848_IFACE_CTRL
] & AD1848_CAPTURE_ENABLE
))
597 ptr
= snd_dma_pointer(chip
->dma2
, chip
->c_dma_size
);
598 return bytes_to_frames(substream
->runtime
, ptr
);
605 static void snd_ad1848_thinkpad_twiddle(struct snd_wss
*chip
, int on
)
609 if (!chip
->thinkpad_flag
) return;
611 outb(0x1c, AD1848_THINKPAD_CTL_PORT1
);
612 tmp
= inb(AD1848_THINKPAD_CTL_PORT2
);
616 tmp
|= AD1848_THINKPAD_CS4248_ENABLE_BIT
;
619 tmp
&= ~AD1848_THINKPAD_CS4248_ENABLE_BIT
;
621 outb(tmp
, AD1848_THINKPAD_CTL_PORT2
);
626 static void snd_ad1848_suspend(struct snd_wss
*chip
)
628 snd_pcm_suspend_all(chip
->pcm
);
629 if (chip
->thinkpad_flag
)
630 snd_ad1848_thinkpad_twiddle(chip
, 0);
633 static void snd_ad1848_resume(struct snd_wss
*chip
)
637 if (chip
->thinkpad_flag
)
638 snd_ad1848_thinkpad_twiddle(chip
, 1);
640 /* clear any pendings IRQ */
641 inb(AD1848P(chip
, STATUS
));
642 outb(0, AD1848P(chip
, STATUS
));
645 snd_ad1848_mce_down(chip
);
646 for (i
= 0; i
< 16; i
++)
647 snd_ad1848_out(chip
, i
, chip
->image
[i
]);
648 snd_ad1848_mce_up(chip
);
649 snd_ad1848_mce_down(chip
);
651 #endif /* CONFIG_PM */
653 static int snd_ad1848_probe(struct snd_wss
*chip
)
656 int i
, id
, rev
, ad1847
;
660 snd_ad1848_debug(chip
);
663 for (i
= 0; i
< 1000; i
++) {
665 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
668 spin_lock_irqsave(&chip
->reg_lock
, flags
);
669 snd_ad1848_out(chip
, AD1848_MISC_INFO
, 0x00);
670 snd_ad1848_out(chip
, AD1848_LEFT_INPUT
, 0xaa);
671 snd_ad1848_out(chip
, AD1848_RIGHT_INPUT
, 0x45);
672 rev
= snd_ad1848_in(chip
, AD1848_RIGHT_INPUT
);
674 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
679 if (snd_ad1848_in(chip
, AD1848_LEFT_INPUT
) == 0xaa && rev
== 0x45) {
680 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
684 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
688 return -ENODEV
; /* no valid device found */
689 if (chip
->hardware
== WSS_HW_DETECT
) {
691 chip
->hardware
= WSS_HW_AD1847
;
693 chip
->hardware
= WSS_HW_AD1848
;
694 rev
= snd_ad1848_in(chip
, AD1848_MISC_INFO
);
696 chip
->hardware
= WSS_HW_CS4248
;
697 } else if ((rev
& 0x0f) == 0x0a) {
698 snd_ad1848_out(chip
, AD1848_MISC_INFO
, 0x40);
699 for (i
= 0; i
< 16; ++i
) {
700 if (snd_ad1848_in(chip
, i
) != snd_ad1848_in(chip
, i
+ 16)) {
701 chip
->hardware
= WSS_HW_CMI8330
;
705 snd_ad1848_out(chip
, AD1848_MISC_INFO
, 0x00);
709 spin_lock_irqsave(&chip
->reg_lock
, flags
);
710 inb(AD1848P(chip
, STATUS
)); /* clear any pendings IRQ */
711 outb(0, AD1848P(chip
, STATUS
));
713 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
715 chip
->image
[AD1848_MISC_INFO
] = 0x00;
716 chip
->image
[AD1848_IFACE_CTRL
] =
717 (chip
->image
[AD1848_IFACE_CTRL
] & ~AD1848_SINGLE_DMA
) | AD1848_SINGLE_DMA
;
718 ptr
= (unsigned char *) &chip
->image
;
719 snd_ad1848_mce_down(chip
);
720 spin_lock_irqsave(&chip
->reg_lock
, flags
);
721 for (i
= 0; i
< 16; i
++) /* ok.. fill all AD1848 registers */
722 snd_ad1848_out(chip
, i
, *ptr
++);
723 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
724 snd_ad1848_mce_up(chip
);
725 snd_ad1848_mce_down(chip
);
726 return 0; /* all things are ok.. */
733 static struct snd_pcm_hardware snd_ad1848_playback
=
735 .info
= (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
736 SNDRV_PCM_INFO_MMAP_VALID
),
737 .formats
= (SNDRV_PCM_FMTBIT_MU_LAW
| SNDRV_PCM_FMTBIT_A_LAW
|
738 SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
),
739 .rates
= SNDRV_PCM_RATE_KNOT
| SNDRV_PCM_RATE_8000_48000
,
744 .buffer_bytes_max
= (128*1024),
745 .period_bytes_min
= 64,
746 .period_bytes_max
= (128*1024),
752 static struct snd_pcm_hardware snd_ad1848_capture
=
754 .info
= (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
755 SNDRV_PCM_INFO_MMAP_VALID
),
756 .formats
= (SNDRV_PCM_FMTBIT_MU_LAW
| SNDRV_PCM_FMTBIT_A_LAW
|
757 SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
),
758 .rates
= SNDRV_PCM_RATE_KNOT
| SNDRV_PCM_RATE_8000_48000
,
763 .buffer_bytes_max
= (128*1024),
764 .period_bytes_min
= 64,
765 .period_bytes_max
= (128*1024),
775 static int snd_ad1848_playback_open(struct snd_pcm_substream
*substream
)
777 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
778 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
781 err
= snd_ad1848_open(chip
, WSS_MODE_PLAY
);
784 chip
->playback_substream
= substream
;
785 runtime
->hw
= snd_ad1848_playback
;
786 snd_pcm_limit_isa_dma_size(chip
->dma1
, &runtime
->hw
.buffer_bytes_max
);
787 snd_pcm_limit_isa_dma_size(chip
->dma1
, &runtime
->hw
.period_bytes_max
);
788 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_RATE
, &hw_constraints_rates
);
792 static int snd_ad1848_capture_open(struct snd_pcm_substream
*substream
)
794 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
795 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
798 err
= snd_ad1848_open(chip
, WSS_MODE_RECORD
);
801 chip
->capture_substream
= substream
;
802 runtime
->hw
= snd_ad1848_capture
;
803 snd_pcm_limit_isa_dma_size(chip
->dma2
, &runtime
->hw
.buffer_bytes_max
);
804 snd_pcm_limit_isa_dma_size(chip
->dma2
, &runtime
->hw
.period_bytes_max
);
805 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_RATE
, &hw_constraints_rates
);
809 static int snd_ad1848_playback_close(struct snd_pcm_substream
*substream
)
811 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
813 chip
->mode
&= ~WSS_MODE_PLAY
;
814 chip
->playback_substream
= NULL
;
815 snd_ad1848_close(chip
);
819 static int snd_ad1848_capture_close(struct snd_pcm_substream
*substream
)
821 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
823 chip
->mode
&= ~WSS_MODE_RECORD
;
824 chip
->capture_substream
= NULL
;
825 snd_ad1848_close(chip
);
829 static int snd_ad1848_free(struct snd_wss
*chip
)
831 release_and_free_resource(chip
->res_port
);
833 free_irq(chip
->irq
, (void *) chip
);
834 if (chip
->dma1
>= 0) {
835 snd_dma_disable(chip
->dma1
);
836 free_dma(chip
->dma1
);
842 static int snd_ad1848_dev_free(struct snd_device
*device
)
844 struct snd_wss
*chip
= device
->device_data
;
845 return snd_ad1848_free(chip
);
848 static const char *snd_ad1848_chip_id(struct snd_wss
*chip
)
850 switch (chip
->hardware
) {
851 case AD1848_HW_AD1847
: return "AD1847";
852 case AD1848_HW_AD1848
: return "AD1848";
853 case AD1848_HW_CS4248
: return "CS4248";
854 case AD1848_HW_CMI8330
: return "CMI8330/C3D";
855 default: return "???";
859 int snd_ad1848_create(struct snd_card
*card
,
862 unsigned short hardware
,
863 struct snd_wss
**rchip
)
865 static struct snd_device_ops ops
= {
866 .dev_free
= snd_ad1848_dev_free
,
868 struct snd_wss
*chip
;
872 chip
= kzalloc(sizeof(*chip
), GFP_KERNEL
);
875 spin_lock_init(&chip
->reg_lock
);
881 chip
->single_dma
= 1;
882 chip
->hardware
= hardware
;
883 memcpy(&chip
->image
, &snd_ad1848_original_image
, sizeof(snd_ad1848_original_image
));
885 if ((chip
->res_port
= request_region(port
, 4, "AD1848")) == NULL
) {
886 snd_printk(KERN_ERR
"ad1848: can't grab port 0x%lx\n", port
);
887 snd_ad1848_free(chip
);
890 if (request_irq(irq
, snd_ad1848_interrupt
, IRQF_DISABLED
, "AD1848", (void *) chip
)) {
891 snd_printk(KERN_ERR
"ad1848: can't grab IRQ %d\n", irq
);
892 snd_ad1848_free(chip
);
896 if (request_dma(dma
, "AD1848")) {
897 snd_printk(KERN_ERR
"ad1848: can't grab DMA %d\n", dma
);
898 snd_ad1848_free(chip
);
904 if (hardware
== WSS_HW_THINKPAD
) {
905 chip
->thinkpad_flag
= 1;
906 chip
->hardware
= WSS_HW_DETECT
; /* reset */
907 snd_ad1848_thinkpad_twiddle(chip
, 1);
910 if (snd_ad1848_probe(chip
) < 0) {
911 snd_ad1848_free(chip
);
915 /* Register device */
916 if ((err
= snd_device_new(card
, SNDRV_DEV_LOWLEVEL
, chip
, &ops
)) < 0) {
917 snd_ad1848_free(chip
);
922 chip
->suspend
= snd_ad1848_suspend
;
923 chip
->resume
= snd_ad1848_resume
;
930 EXPORT_SYMBOL(snd_ad1848_create
);
932 static struct snd_pcm_ops snd_ad1848_playback_ops
= {
933 .open
= snd_ad1848_playback_open
,
934 .close
= snd_ad1848_playback_close
,
935 .ioctl
= snd_ad1848_ioctl
,
936 .hw_params
= snd_ad1848_playback_hw_params
,
937 .hw_free
= snd_ad1848_playback_hw_free
,
938 .prepare
= snd_ad1848_playback_prepare
,
939 .trigger
= snd_ad1848_playback_trigger
,
940 .pointer
= snd_ad1848_playback_pointer
,
943 static struct snd_pcm_ops snd_ad1848_capture_ops
= {
944 .open
= snd_ad1848_capture_open
,
945 .close
= snd_ad1848_capture_close
,
946 .ioctl
= snd_ad1848_ioctl
,
947 .hw_params
= snd_ad1848_capture_hw_params
,
948 .hw_free
= snd_ad1848_capture_hw_free
,
949 .prepare
= snd_ad1848_capture_prepare
,
950 .trigger
= snd_ad1848_capture_trigger
,
951 .pointer
= snd_ad1848_capture_pointer
,
954 int snd_ad1848_pcm(struct snd_wss
*chip
, int device
, struct snd_pcm
**rpcm
)
959 if ((err
= snd_pcm_new(chip
->card
, "AD1848", device
, 1, 1, &pcm
)) < 0)
962 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_PLAYBACK
, &snd_ad1848_playback_ops
);
963 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_CAPTURE
, &snd_ad1848_capture_ops
);
965 pcm
->private_data
= chip
;
966 pcm
->info_flags
= SNDRV_PCM_INFO_HALF_DUPLEX
;
967 strcpy(pcm
->name
, snd_ad1848_chip_id(chip
));
969 snd_pcm_lib_preallocate_pages_for_all(pcm
, SNDRV_DMA_TYPE_DEV
,
973 128 * 1024 : 64 * 1024);
981 EXPORT_SYMBOL(snd_ad1848_pcm
);
983 const struct snd_pcm_ops
*snd_ad1848_get_pcm_ops(int direction
)
985 return direction
== SNDRV_PCM_STREAM_PLAYBACK
?
986 &snd_ad1848_playback_ops
: &snd_ad1848_capture_ops
;
989 EXPORT_SYMBOL(snd_ad1848_get_pcm_ops
);
995 static int snd_ad1848_info_mux(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
997 static char *texts
[4] = {
998 "Line", "Aux", "Mic", "Mix"
1001 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1003 uinfo
->value
.enumerated
.items
= 4;
1004 if (uinfo
->value
.enumerated
.item
> 3)
1005 uinfo
->value
.enumerated
.item
= 3;
1006 strcpy(uinfo
->value
.enumerated
.name
, texts
[uinfo
->value
.enumerated
.item
]);
1010 static int snd_ad1848_get_mux(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1012 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
1013 unsigned long flags
;
1015 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1016 ucontrol
->value
.enumerated
.item
[0] = (chip
->image
[AD1848_LEFT_INPUT
] & AD1848_MIXS_ALL
) >> 6;
1017 ucontrol
->value
.enumerated
.item
[1] = (chip
->image
[AD1848_RIGHT_INPUT
] & AD1848_MIXS_ALL
) >> 6;
1018 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1022 static int snd_ad1848_put_mux(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1024 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
1025 unsigned long flags
;
1026 unsigned short left
, right
;
1029 if (ucontrol
->value
.enumerated
.item
[0] > 3 ||
1030 ucontrol
->value
.enumerated
.item
[1] > 3)
1032 left
= ucontrol
->value
.enumerated
.item
[0] << 6;
1033 right
= ucontrol
->value
.enumerated
.item
[1] << 6;
1034 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1035 left
= (chip
->image
[AD1848_LEFT_INPUT
] & ~AD1848_MIXS_ALL
) | left
;
1036 right
= (chip
->image
[AD1848_RIGHT_INPUT
] & ~AD1848_MIXS_ALL
) | right
;
1037 change
= left
!= chip
->image
[AD1848_LEFT_INPUT
] ||
1038 right
!= chip
->image
[AD1848_RIGHT_INPUT
];
1039 snd_ad1848_out(chip
, AD1848_LEFT_INPUT
, left
);
1040 snd_ad1848_out(chip
, AD1848_RIGHT_INPUT
, right
);
1041 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1045 static int snd_ad1848_info_single(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
1047 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
1049 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
1051 uinfo
->value
.integer
.min
= 0;
1052 uinfo
->value
.integer
.max
= mask
;
1056 static int snd_ad1848_get_single(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1058 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
1059 unsigned long flags
;
1060 int reg
= kcontrol
->private_value
& 0xff;
1061 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
1062 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
1063 int invert
= (kcontrol
->private_value
>> 24) & 0xff;
1065 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1066 ucontrol
->value
.integer
.value
[0] = (chip
->image
[reg
] >> shift
) & mask
;
1067 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1069 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
1073 static int snd_ad1848_put_single(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1075 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
1076 unsigned long flags
;
1077 int reg
= kcontrol
->private_value
& 0xff;
1078 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
1079 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
1080 int invert
= (kcontrol
->private_value
>> 24) & 0xff;
1084 val
= (ucontrol
->value
.integer
.value
[0] & mask
);
1088 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1089 val
= (chip
->image
[reg
] & ~(mask
<< shift
)) | val
;
1090 change
= val
!= chip
->image
[reg
];
1091 snd_ad1848_out(chip
, reg
, val
);
1092 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1096 static int snd_ad1848_info_double(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
1098 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
1100 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
1102 uinfo
->value
.integer
.min
= 0;
1103 uinfo
->value
.integer
.max
= mask
;
1107 static int snd_ad1848_get_double(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1109 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
1110 unsigned long flags
;
1111 int left_reg
= kcontrol
->private_value
& 0xff;
1112 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
1113 int shift_left
= (kcontrol
->private_value
>> 16) & 0x07;
1114 int shift_right
= (kcontrol
->private_value
>> 19) & 0x07;
1115 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
1116 int invert
= (kcontrol
->private_value
>> 22) & 1;
1118 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1119 ucontrol
->value
.integer
.value
[0] = (chip
->image
[left_reg
] >> shift_left
) & mask
;
1120 ucontrol
->value
.integer
.value
[1] = (chip
->image
[right_reg
] >> shift_right
) & mask
;
1121 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1123 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
1124 ucontrol
->value
.integer
.value
[1] = mask
- ucontrol
->value
.integer
.value
[1];
1129 static int snd_ad1848_put_double(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1131 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
1132 unsigned long flags
;
1133 int left_reg
= kcontrol
->private_value
& 0xff;
1134 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
1135 int shift_left
= (kcontrol
->private_value
>> 16) & 0x07;
1136 int shift_right
= (kcontrol
->private_value
>> 19) & 0x07;
1137 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
1138 int invert
= (kcontrol
->private_value
>> 22) & 1;
1140 unsigned short val1
, val2
;
1142 val1
= ucontrol
->value
.integer
.value
[0] & mask
;
1143 val2
= ucontrol
->value
.integer
.value
[1] & mask
;
1148 val1
<<= shift_left
;
1149 val2
<<= shift_right
;
1150 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1151 if (left_reg
!= right_reg
) {
1152 val1
= (chip
->image
[left_reg
] & ~(mask
<< shift_left
)) | val1
;
1153 val2
= (chip
->image
[right_reg
] & ~(mask
<< shift_right
)) | val2
;
1154 change
= val1
!= chip
->image
[left_reg
] || val2
!= chip
->image
[right_reg
];
1155 snd_ad1848_out(chip
, left_reg
, val1
);
1156 snd_ad1848_out(chip
, right_reg
, val2
);
1158 val1
= (chip
->image
[left_reg
] & ~((mask
<< shift_left
) | (mask
<< shift_right
))) | val1
| val2
;
1159 change
= val1
!= chip
->image
[left_reg
];
1160 snd_ad1848_out(chip
, left_reg
, val1
);
1162 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1166 static const DECLARE_TLV_DB_SCALE(db_scale_6bit
, -9450, 150, 0);
1167 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max
, -3450, 150, 0);
1168 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain
, 0, 150, 0);
1170 #define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
1171 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1172 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
1175 .info = snd_ad1848_info_single, \
1176 .get = snd_ad1848_get_single, \
1177 .put = snd_ad1848_put_single, \
1178 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
1179 .tlv = { .p = (xtlv) } }
1181 #define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \
1182 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1183 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
1186 .info = snd_ad1848_info_double, \
1187 .get = snd_ad1848_get_double, \
1188 .put = snd_ad1848_put_double, \
1189 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
1190 (shift_right << 19) | (mask << 24) | (invert << 22), \
1191 .tlv = { .p = (xtlv) } }
1193 static struct snd_kcontrol_new snd_ad1848_controls
[] = {
1194 WSS_DOUBLE("PCM Playback Switch", 0,
1195 AD1848_LEFT_OUTPUT
, AD1848_RIGHT_OUTPUT
, 7, 7, 1, 1),
1196 AD1848_DOUBLE_TLV("PCM Playback Volume", 0,
1197 AD1848_LEFT_OUTPUT
, AD1848_RIGHT_OUTPUT
, 0, 0, 63, 1,
1199 WSS_DOUBLE("Aux Playback Switch", 0,
1200 AD1848_AUX1_LEFT_INPUT
, AD1848_AUX1_RIGHT_INPUT
, 7, 7, 1, 1),
1201 AD1848_DOUBLE_TLV("Aux Playback Volume", 0,
1202 AD1848_AUX1_LEFT_INPUT
, AD1848_AUX1_RIGHT_INPUT
, 0, 0, 31, 1,
1203 db_scale_5bit_12db_max
),
1204 WSS_DOUBLE("Aux Playback Switch", 1,
1205 AD1848_AUX2_LEFT_INPUT
, AD1848_AUX2_RIGHT_INPUT
, 7, 7, 1, 1),
1206 AD1848_DOUBLE_TLV("Aux Playback Volume", 1,
1207 AD1848_AUX2_LEFT_INPUT
, AD1848_AUX2_RIGHT_INPUT
, 0, 0, 31, 1,
1208 db_scale_5bit_12db_max
),
1209 AD1848_DOUBLE_TLV("Capture Volume", 0,
1210 AD1848_LEFT_INPUT
, AD1848_RIGHT_INPUT
, 0, 0, 15, 0,
1213 .name
= "Capture Source",
1214 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1215 .info
= snd_ad1848_info_mux
,
1216 .get
= snd_ad1848_get_mux
,
1217 .put
= snd_ad1848_put_mux
,
1219 WSS_SINGLE("Loopback Capture Switch", 0,
1220 AD1848_LOOPBACK
, 0, 1, 0),
1221 AD1848_SINGLE_TLV("Loopback Capture Volume", 0,
1222 AD1848_LOOPBACK
, 1, 63, 0,
1226 int snd_ad1848_mixer(struct snd_wss
*chip
)
1228 struct snd_card
*card
;
1229 struct snd_pcm
*pcm
;
1233 snd_assert(chip
!= NULL
&& chip
->pcm
!= NULL
, return -EINVAL
);
1238 strcpy(card
->mixername
, pcm
->name
);
1240 for (idx
= 0; idx
< ARRAY_SIZE(snd_ad1848_controls
); idx
++) {
1241 err
= snd_ctl_add(card
,
1242 snd_ctl_new1(&snd_ad1848_controls
[idx
], chip
));
1250 EXPORT_SYMBOL(snd_ad1848_mixer
);
1256 static int __init
alsa_ad1848_init(void)
1261 static void __exit
alsa_ad1848_exit(void)
1265 module_init(alsa_ad1848_init
)
1266 module_exit(alsa_ad1848_exit
)