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 <sound/driver.h>
24 #include <linux/delay.h>
25 #include <linux/init.h>
26 #include <linux/interrupt.h>
27 #include <linux/slab.h>
28 #include <linux/ioport.h>
29 #include <sound/core.h>
30 #include <sound/ad1848.h>
31 #include <sound/control.h>
32 #include <sound/tlv.h>
33 #include <sound/pcm_params.h>
38 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
39 MODULE_DESCRIPTION("Routines for control of AD1848/AD1847/CS4248");
40 MODULE_LICENSE("GPL");
43 #define SNDRV_DEBUG_MCE
50 static unsigned char freq_bits
[14] = {
51 /* 5510 */ 0x00 | AD1848_XTAL2
,
52 /* 6620 */ 0x0E | AD1848_XTAL2
,
53 /* 8000 */ 0x00 | AD1848_XTAL1
,
54 /* 9600 */ 0x0E | AD1848_XTAL1
,
55 /* 11025 */ 0x02 | AD1848_XTAL2
,
56 /* 16000 */ 0x02 | AD1848_XTAL1
,
57 /* 18900 */ 0x04 | AD1848_XTAL2
,
58 /* 22050 */ 0x06 | AD1848_XTAL2
,
59 /* 27042 */ 0x04 | AD1848_XTAL1
,
60 /* 32000 */ 0x06 | AD1848_XTAL1
,
61 /* 33075 */ 0x0C | AD1848_XTAL2
,
62 /* 37800 */ 0x08 | AD1848_XTAL2
,
63 /* 44100 */ 0x0A | AD1848_XTAL2
,
64 /* 48000 */ 0x0C | AD1848_XTAL1
67 static unsigned int rates
[14] = {
68 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050,
69 27042, 32000, 33075, 37800, 44100, 48000
72 static struct snd_pcm_hw_constraint_list hw_constraints_rates
= {
73 .count
= ARRAY_SIZE(rates
),
78 static unsigned char snd_ad1848_original_image
[16] =
82 0x9f, /* 02 - la1ic */
83 0x9f, /* 03 - ra1ic */
84 0x9f, /* 04 - la2ic */
85 0x9f, /* 05 - ra2ic */
89 AD1848_AUTOCALIB
, /* 09 - ic */
102 static void snd_ad1848_wait(struct snd_ad1848
*chip
)
106 for (timeout
= 250; timeout
> 0; timeout
--) {
107 if ((inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
) == 0)
113 void snd_ad1848_out(struct snd_ad1848
*chip
,
117 snd_ad1848_wait(chip
);
118 #ifdef CONFIG_SND_DEBUG
119 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
120 snd_printk(KERN_WARNING
"auto calibration time out - "
121 "reg = 0x%x, value = 0x%x\n", reg
, value
);
123 outb(chip
->mce_bit
| reg
, AD1848P(chip
, REGSEL
));
124 outb(chip
->image
[reg
] = value
, AD1848P(chip
, REG
));
126 snd_printdd("codec out - reg 0x%x = 0x%x\n",
127 chip
->mce_bit
| reg
, value
);
130 EXPORT_SYMBOL(snd_ad1848_out
);
132 static void snd_ad1848_dout(struct snd_ad1848
*chip
,
133 unsigned char reg
, unsigned char value
)
135 snd_ad1848_wait(chip
);
136 outb(chip
->mce_bit
| reg
, AD1848P(chip
, REGSEL
));
137 outb(value
, AD1848P(chip
, REG
));
141 static unsigned char snd_ad1848_in(struct snd_ad1848
*chip
, unsigned char reg
)
143 snd_ad1848_wait(chip
);
144 #ifdef CONFIG_SND_DEBUG
145 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
146 snd_printk(KERN_WARNING
"auto calibration time out - "
147 "reg = 0x%x\n", reg
);
149 outb(chip
->mce_bit
| reg
, AD1848P(chip
, REGSEL
));
151 return inb(AD1848P(chip
, REG
));
156 static void snd_ad1848_debug(struct snd_ad1848
*chip
)
158 printk("AD1848 REGS: INDEX = 0x%02x ", inb(AD1848P(chip
, REGSEL
)));
159 printk(" STATUS = 0x%02x\n", inb(AD1848P(chip
, STATUS
)));
160 printk(" 0x00: left input = 0x%02x ", snd_ad1848_in(chip
, 0x00));
161 printk(" 0x08: playback format = 0x%02x\n", snd_ad1848_in(chip
, 0x08));
162 printk(" 0x01: right input = 0x%02x ", snd_ad1848_in(chip
, 0x01));
163 printk(" 0x09: iface (CFIG 1) = 0x%02x\n", snd_ad1848_in(chip
, 0x09));
164 printk(" 0x02: AUXA left = 0x%02x ", snd_ad1848_in(chip
, 0x02));
165 printk(" 0x0a: pin control = 0x%02x\n", snd_ad1848_in(chip
, 0x0a));
166 printk(" 0x03: AUXA right = 0x%02x ", snd_ad1848_in(chip
, 0x03));
167 printk(" 0x0b: init & status = 0x%02x\n", snd_ad1848_in(chip
, 0x0b));
168 printk(" 0x04: AUXB left = 0x%02x ", snd_ad1848_in(chip
, 0x04));
169 printk(" 0x0c: revision & mode = 0x%02x\n", snd_ad1848_in(chip
, 0x0c));
170 printk(" 0x05: AUXB right = 0x%02x ", snd_ad1848_in(chip
, 0x05));
171 printk(" 0x0d: loopback = 0x%02x\n", snd_ad1848_in(chip
, 0x0d));
172 printk(" 0x06: left output = 0x%02x ", snd_ad1848_in(chip
, 0x06));
173 printk(" 0x0e: data upr count = 0x%02x\n", snd_ad1848_in(chip
, 0x0e));
174 printk(" 0x07: right output = 0x%02x ", snd_ad1848_in(chip
, 0x07));
175 printk(" 0x0f: data lwr count = 0x%02x\n", snd_ad1848_in(chip
, 0x0f));
181 * AD1848 detection / MCE routines
184 static void snd_ad1848_mce_up(struct snd_ad1848
*chip
)
189 snd_ad1848_wait(chip
);
190 #ifdef CONFIG_SND_DEBUG
191 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
192 snd_printk(KERN_WARNING
"mce_up - auto calibration time out (0)\n");
194 spin_lock_irqsave(&chip
->reg_lock
, flags
);
195 chip
->mce_bit
|= AD1848_MCE
;
196 timeout
= inb(AD1848P(chip
, REGSEL
));
198 snd_printk(KERN_WARNING
"mce_up [0x%lx]: serious init problem - codec still busy\n", chip
->port
);
199 if (!(timeout
& AD1848_MCE
))
200 outb(chip
->mce_bit
| (timeout
& 0x1f), AD1848P(chip
, REGSEL
));
201 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
204 static void snd_ad1848_mce_down(struct snd_ad1848
*chip
)
206 unsigned long flags
, timeout
;
209 spin_lock_irqsave(&chip
->reg_lock
, flags
);
210 for (timeout
= 5; timeout
> 0; timeout
--)
211 inb(AD1848P(chip
, REGSEL
));
212 /* end of cleanup sequence */
213 for (timeout
= 12000; timeout
> 0 && (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
); timeout
--)
216 snd_printdd("(1) timeout = %d\n", timeout
);
218 #ifdef CONFIG_SND_DEBUG
219 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
220 snd_printk(KERN_WARNING
"mce_down [0x%lx] - auto calibration time out (0)\n", AD1848P(chip
, REGSEL
));
223 chip
->mce_bit
&= ~AD1848_MCE
;
224 reg
= inb(AD1848P(chip
, REGSEL
));
225 outb(chip
->mce_bit
| (reg
& 0x1f), AD1848P(chip
, REGSEL
));
227 snd_printk(KERN_WARNING
"mce_down [0x%lx]: serious init problem - codec still busy\n", chip
->port
);
228 if ((reg
& AD1848_MCE
) == 0) {
229 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
234 * Wait for auto-calibration (AC) process to finish, i.e. ACI to go low.
235 * It may take up to 5 sample periods (at most 907 us @ 5.5125 kHz) for
236 * the process to _start_, so it is important to wait at least that long
237 * before checking. Otherwise we might think AC has finished when it
238 * has in fact not begun. It could take 128 (no AC) or 384 (AC) cycles
239 * for ACI to drop. This gives a wait of at most 70 ms with a more
240 * typical value of 3-9 ms.
242 timeout
= jiffies
+ msecs_to_jiffies(250);
244 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
246 spin_lock_irqsave(&chip
->reg_lock
, flags
);
247 reg
= snd_ad1848_in(chip
, AD1848_TEST_INIT
) &
248 AD1848_CALIB_IN_PROGRESS
;
249 } while (reg
&& time_before(jiffies
, timeout
));
250 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
253 "mce_down - auto calibration time out (2)\n");
255 snd_printdd("(4) jiffies = %lu\n", jiffies
);
256 snd_printd("mce_down - exit = 0x%x\n", inb(AD1848P(chip
, REGSEL
)));
259 static unsigned int snd_ad1848_get_count(unsigned char format
,
262 switch (format
& 0xe0) {
263 case AD1848_LINEAR_16
:
267 if (format
& AD1848_STEREO
)
272 static int snd_ad1848_trigger(struct snd_ad1848
*chip
, unsigned char what
,
273 int channel
, int cmd
)
278 printk("codec trigger!!! - what = %i, enable = %i, status = 0x%x\n", what
, enable
, inb(AD1848P(card
, STATUS
)));
280 spin_lock(&chip
->reg_lock
);
281 if (cmd
== SNDRV_PCM_TRIGGER_START
) {
282 if (chip
->image
[AD1848_IFACE_CTRL
] & what
) {
283 spin_unlock(&chip
->reg_lock
);
286 snd_ad1848_out(chip
, AD1848_IFACE_CTRL
, chip
->image
[AD1848_IFACE_CTRL
] |= what
);
287 chip
->mode
|= AD1848_MODE_RUNNING
;
288 } else if (cmd
== SNDRV_PCM_TRIGGER_STOP
) {
289 if (!(chip
->image
[AD1848_IFACE_CTRL
] & what
)) {
290 spin_unlock(&chip
->reg_lock
);
293 snd_ad1848_out(chip
, AD1848_IFACE_CTRL
, chip
->image
[AD1848_IFACE_CTRL
] &= ~what
);
294 chip
->mode
&= ~AD1848_MODE_RUNNING
;
298 spin_unlock(&chip
->reg_lock
);
306 static unsigned char snd_ad1848_get_rate(unsigned int rate
)
310 for (i
= 0; i
< ARRAY_SIZE(rates
); i
++)
311 if (rate
== rates
[i
])
314 return freq_bits
[ARRAY_SIZE(rates
) - 1];
317 static int snd_ad1848_ioctl(struct snd_pcm_substream
*substream
,
318 unsigned int cmd
, void *arg
)
320 return snd_pcm_lib_ioctl(substream
, cmd
, arg
);
323 static unsigned char snd_ad1848_get_format(int format
, int channels
)
325 unsigned char rformat
;
327 rformat
= AD1848_LINEAR_8
;
329 case SNDRV_PCM_FORMAT_A_LAW
: rformat
= AD1848_ALAW_8
; break;
330 case SNDRV_PCM_FORMAT_MU_LAW
: rformat
= AD1848_ULAW_8
; break;
331 case SNDRV_PCM_FORMAT_S16_LE
: rformat
= AD1848_LINEAR_16
; break;
334 rformat
|= AD1848_STEREO
;
336 snd_printk("get_format: 0x%x (mode=0x%x)\n", format
, mode
);
341 static void snd_ad1848_calibrate_mute(struct snd_ad1848
*chip
, int mute
)
346 spin_lock_irqsave(&chip
->reg_lock
, flags
);
347 if (chip
->calibrate_mute
== mute
) {
348 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
352 snd_ad1848_dout(chip
, AD1848_LEFT_INPUT
, chip
->image
[AD1848_LEFT_INPUT
]);
353 snd_ad1848_dout(chip
, AD1848_RIGHT_INPUT
, chip
->image
[AD1848_RIGHT_INPUT
]);
355 snd_ad1848_dout(chip
, AD1848_AUX1_LEFT_INPUT
, mute
? 0x80 : chip
->image
[AD1848_AUX1_LEFT_INPUT
]);
356 snd_ad1848_dout(chip
, AD1848_AUX1_RIGHT_INPUT
, mute
? 0x80 : chip
->image
[AD1848_AUX1_RIGHT_INPUT
]);
357 snd_ad1848_dout(chip
, AD1848_AUX2_LEFT_INPUT
, mute
? 0x80 : chip
->image
[AD1848_AUX2_LEFT_INPUT
]);
358 snd_ad1848_dout(chip
, AD1848_AUX2_RIGHT_INPUT
, mute
? 0x80 : chip
->image
[AD1848_AUX2_RIGHT_INPUT
]);
359 snd_ad1848_dout(chip
, AD1848_LEFT_OUTPUT
, mute
? 0x80 : chip
->image
[AD1848_LEFT_OUTPUT
]);
360 snd_ad1848_dout(chip
, AD1848_RIGHT_OUTPUT
, mute
? 0x80 : chip
->image
[AD1848_RIGHT_OUTPUT
]);
361 chip
->calibrate_mute
= mute
;
362 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
365 static void snd_ad1848_set_data_format(struct snd_ad1848
*chip
, struct snd_pcm_hw_params
*hw_params
)
367 if (hw_params
== NULL
) {
368 chip
->image
[AD1848_DATA_FORMAT
] = 0x20;
370 chip
->image
[AD1848_DATA_FORMAT
] =
371 snd_ad1848_get_format(params_format(hw_params
), params_channels(hw_params
)) |
372 snd_ad1848_get_rate(params_rate(hw_params
));
374 // snd_printk(">>> pmode = 0x%x, dfr = 0x%x\n", pstr->mode, chip->image[AD1848_DATA_FORMAT]);
377 static int snd_ad1848_open(struct snd_ad1848
*chip
, unsigned int mode
)
381 if (chip
->mode
& AD1848_MODE_OPEN
)
384 snd_ad1848_mce_down(chip
);
386 #ifdef SNDRV_DEBUG_MCE
387 snd_printk("open: (1)\n");
389 snd_ad1848_mce_up(chip
);
390 spin_lock_irqsave(&chip
->reg_lock
, flags
);
391 chip
->image
[AD1848_IFACE_CTRL
] &= ~(AD1848_PLAYBACK_ENABLE
| AD1848_PLAYBACK_PIO
|
392 AD1848_CAPTURE_ENABLE
| AD1848_CAPTURE_PIO
|
394 chip
->image
[AD1848_IFACE_CTRL
] |= AD1848_AUTOCALIB
;
395 snd_ad1848_out(chip
, AD1848_IFACE_CTRL
, chip
->image
[AD1848_IFACE_CTRL
]);
396 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
397 snd_ad1848_mce_down(chip
);
399 #ifdef SNDRV_DEBUG_MCE
400 snd_printk("open: (2)\n");
403 snd_ad1848_set_data_format(chip
, NULL
);
405 snd_ad1848_mce_up(chip
);
406 spin_lock_irqsave(&chip
->reg_lock
, flags
);
407 snd_ad1848_out(chip
, AD1848_DATA_FORMAT
, chip
->image
[AD1848_DATA_FORMAT
]);
408 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
409 snd_ad1848_mce_down(chip
);
411 #ifdef SNDRV_DEBUG_MCE
412 snd_printk("open: (3)\n");
415 /* ok. now enable and ack CODEC IRQ */
416 spin_lock_irqsave(&chip
->reg_lock
, flags
);
417 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
418 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
419 chip
->image
[AD1848_PIN_CTRL
] |= AD1848_IRQ_ENABLE
;
420 snd_ad1848_out(chip
, AD1848_PIN_CTRL
, chip
->image
[AD1848_PIN_CTRL
]);
421 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
428 static void snd_ad1848_close(struct snd_ad1848
*chip
)
435 spin_lock_irqsave(&chip
->reg_lock
, flags
);
436 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
437 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
438 chip
->image
[AD1848_PIN_CTRL
] &= ~AD1848_IRQ_ENABLE
;
439 snd_ad1848_out(chip
, AD1848_PIN_CTRL
, chip
->image
[AD1848_PIN_CTRL
]);
440 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
442 /* now disable capture & playback */
444 snd_ad1848_mce_up(chip
);
445 spin_lock_irqsave(&chip
->reg_lock
, flags
);
446 chip
->image
[AD1848_IFACE_CTRL
] &= ~(AD1848_PLAYBACK_ENABLE
| AD1848_PLAYBACK_PIO
|
447 AD1848_CAPTURE_ENABLE
| AD1848_CAPTURE_PIO
);
448 snd_ad1848_out(chip
, AD1848_IFACE_CTRL
, chip
->image
[AD1848_IFACE_CTRL
]);
449 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
450 snd_ad1848_mce_down(chip
);
452 /* clear IRQ again */
453 spin_lock_irqsave(&chip
->reg_lock
, flags
);
454 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
455 outb(0, AD1848P(chip
, STATUS
)); /* clear IRQ */
456 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
462 * ok.. exported functions..
465 static int snd_ad1848_playback_trigger(struct snd_pcm_substream
*substream
,
468 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
469 return snd_ad1848_trigger(chip
, AD1848_PLAYBACK_ENABLE
, SNDRV_PCM_STREAM_PLAYBACK
, cmd
);
472 static int snd_ad1848_capture_trigger(struct snd_pcm_substream
*substream
,
475 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
476 return snd_ad1848_trigger(chip
, AD1848_CAPTURE_ENABLE
, SNDRV_PCM_STREAM_CAPTURE
, cmd
);
479 static int snd_ad1848_playback_hw_params(struct snd_pcm_substream
*substream
,
480 struct snd_pcm_hw_params
*hw_params
)
482 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
486 if ((err
= snd_pcm_lib_malloc_pages(substream
, params_buffer_bytes(hw_params
))) < 0)
488 snd_ad1848_calibrate_mute(chip
, 1);
489 snd_ad1848_set_data_format(chip
, hw_params
);
490 snd_ad1848_mce_up(chip
);
491 spin_lock_irqsave(&chip
->reg_lock
, flags
);
492 snd_ad1848_out(chip
, AD1848_DATA_FORMAT
, chip
->image
[AD1848_DATA_FORMAT
]);
493 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
494 snd_ad1848_mce_down(chip
);
495 snd_ad1848_calibrate_mute(chip
, 0);
499 static int snd_ad1848_playback_hw_free(struct snd_pcm_substream
*substream
)
501 return snd_pcm_lib_free_pages(substream
);
504 static int snd_ad1848_playback_prepare(struct snd_pcm_substream
*substream
)
506 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
507 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
509 unsigned int size
= snd_pcm_lib_buffer_bytes(substream
);
510 unsigned int count
= snd_pcm_lib_period_bytes(substream
);
512 chip
->dma_size
= size
;
513 chip
->image
[AD1848_IFACE_CTRL
] &= ~(AD1848_PLAYBACK_ENABLE
| AD1848_PLAYBACK_PIO
);
514 snd_dma_program(chip
->dma
, runtime
->dma_addr
, size
, DMA_MODE_WRITE
| DMA_AUTOINIT
);
515 count
= snd_ad1848_get_count(chip
->image
[AD1848_DATA_FORMAT
], count
) - 1;
516 spin_lock_irqsave(&chip
->reg_lock
, flags
);
517 snd_ad1848_out(chip
, AD1848_DATA_LWR_CNT
, (unsigned char) count
);
518 snd_ad1848_out(chip
, AD1848_DATA_UPR_CNT
, (unsigned char) (count
>> 8));
519 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
523 static int snd_ad1848_capture_hw_params(struct snd_pcm_substream
*substream
,
524 struct snd_pcm_hw_params
*hw_params
)
526 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
530 if ((err
= snd_pcm_lib_malloc_pages(substream
, params_buffer_bytes(hw_params
))) < 0)
532 snd_ad1848_calibrate_mute(chip
, 1);
533 snd_ad1848_set_data_format(chip
, hw_params
);
534 snd_ad1848_mce_up(chip
);
535 spin_lock_irqsave(&chip
->reg_lock
, flags
);
536 snd_ad1848_out(chip
, AD1848_DATA_FORMAT
, chip
->image
[AD1848_DATA_FORMAT
]);
537 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
538 snd_ad1848_mce_down(chip
);
539 snd_ad1848_calibrate_mute(chip
, 0);
543 static int snd_ad1848_capture_hw_free(struct snd_pcm_substream
*substream
)
545 return snd_pcm_lib_free_pages(substream
);
548 static int snd_ad1848_capture_prepare(struct snd_pcm_substream
*substream
)
550 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
551 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
553 unsigned int size
= snd_pcm_lib_buffer_bytes(substream
);
554 unsigned int count
= snd_pcm_lib_period_bytes(substream
);
556 chip
->dma_size
= size
;
557 chip
->image
[AD1848_IFACE_CTRL
] &= ~(AD1848_CAPTURE_ENABLE
| AD1848_CAPTURE_PIO
);
558 snd_dma_program(chip
->dma
, runtime
->dma_addr
, size
, 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_ad1848
*chip
= dev_id
;
571 if ((chip
->mode
& AD1848_MODE_PLAY
) && chip
->playback_substream
&&
572 (chip
->mode
& AD1848_MODE_RUNNING
))
573 snd_pcm_period_elapsed(chip
->playback_substream
);
574 if ((chip
->mode
& AD1848_MODE_CAPTURE
) && chip
->capture_substream
&&
575 (chip
->mode
& AD1848_MODE_RUNNING
))
576 snd_pcm_period_elapsed(chip
->capture_substream
);
577 outb(0, AD1848P(chip
, STATUS
)); /* clear global interrupt bit */
581 static snd_pcm_uframes_t
snd_ad1848_playback_pointer(struct snd_pcm_substream
*substream
)
583 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
586 if (!(chip
->image
[AD1848_IFACE_CTRL
] & AD1848_PLAYBACK_ENABLE
))
588 ptr
= snd_dma_pointer(chip
->dma
, chip
->dma_size
);
589 return bytes_to_frames(substream
->runtime
, ptr
);
592 static snd_pcm_uframes_t
snd_ad1848_capture_pointer(struct snd_pcm_substream
*substream
)
594 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
597 if (!(chip
->image
[AD1848_IFACE_CTRL
] & AD1848_CAPTURE_ENABLE
))
599 ptr
= snd_dma_pointer(chip
->dma
, chip
->dma_size
);
600 return bytes_to_frames(substream
->runtime
, ptr
);
607 static void snd_ad1848_thinkpad_twiddle(struct snd_ad1848
*chip
, int on
) {
611 if (!chip
->thinkpad_flag
) return;
613 outb(0x1c, AD1848_THINKPAD_CTL_PORT1
);
614 tmp
= inb(AD1848_THINKPAD_CTL_PORT2
);
618 tmp
|= AD1848_THINKPAD_CS4248_ENABLE_BIT
;
621 tmp
&= ~AD1848_THINKPAD_CS4248_ENABLE_BIT
;
623 outb(tmp
, AD1848_THINKPAD_CTL_PORT2
);
628 static void snd_ad1848_suspend(struct snd_ad1848
*chip
)
630 snd_pcm_suspend_all(chip
->pcm
);
631 if (chip
->thinkpad_flag
)
632 snd_ad1848_thinkpad_twiddle(chip
, 0);
635 static void snd_ad1848_resume(struct snd_ad1848
*chip
)
639 if (chip
->thinkpad_flag
)
640 snd_ad1848_thinkpad_twiddle(chip
, 1);
642 /* clear any pendings IRQ */
643 inb(AD1848P(chip
, STATUS
));
644 outb(0, AD1848P(chip
, STATUS
));
647 snd_ad1848_mce_down(chip
);
648 for (i
= 0; i
< 16; i
++)
649 snd_ad1848_out(chip
, i
, chip
->image
[i
]);
650 snd_ad1848_mce_up(chip
);
651 snd_ad1848_mce_down(chip
);
653 #endif /* CONFIG_PM */
655 static int snd_ad1848_probe(struct snd_ad1848
* chip
)
658 int i
, id
, rev
, ad1847
;
662 snd_ad1848_debug(chip
);
665 for (i
= 0; i
< 1000; i
++) {
667 if (inb(AD1848P(chip
, REGSEL
)) & AD1848_INIT
)
670 spin_lock_irqsave(&chip
->reg_lock
, flags
);
671 snd_ad1848_out(chip
, AD1848_MISC_INFO
, 0x00);
672 snd_ad1848_out(chip
, AD1848_LEFT_INPUT
, 0xaa);
673 snd_ad1848_out(chip
, AD1848_RIGHT_INPUT
, 0x45);
674 rev
= snd_ad1848_in(chip
, AD1848_RIGHT_INPUT
);
676 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
681 if (snd_ad1848_in(chip
, AD1848_LEFT_INPUT
) == 0xaa && rev
== 0x45) {
682 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
686 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
690 return -ENODEV
; /* no valid device found */
691 if (chip
->hardware
== AD1848_HW_DETECT
) {
693 chip
->hardware
= AD1848_HW_AD1847
;
695 chip
->hardware
= AD1848_HW_AD1848
;
696 rev
= snd_ad1848_in(chip
, AD1848_MISC_INFO
);
698 chip
->hardware
= AD1848_HW_CS4248
;
699 } else if ((rev
& 0x0f) == 0x0a) {
700 snd_ad1848_out(chip
, AD1848_MISC_INFO
, 0x40);
701 for (i
= 0; i
< 16; ++i
) {
702 if (snd_ad1848_in(chip
, i
) != snd_ad1848_in(chip
, i
+ 16)) {
703 chip
->hardware
= AD1848_HW_CMI8330
;
707 snd_ad1848_out(chip
, AD1848_MISC_INFO
, 0x00);
711 spin_lock_irqsave(&chip
->reg_lock
, flags
);
712 inb(AD1848P(chip
, STATUS
)); /* clear any pendings IRQ */
713 outb(0, AD1848P(chip
, STATUS
));
715 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
717 chip
->image
[AD1848_MISC_INFO
] = 0x00;
718 chip
->image
[AD1848_IFACE_CTRL
] =
719 (chip
->image
[AD1848_IFACE_CTRL
] & ~AD1848_SINGLE_DMA
) | AD1848_SINGLE_DMA
;
720 ptr
= (unsigned char *) &chip
->image
;
721 snd_ad1848_mce_down(chip
);
722 spin_lock_irqsave(&chip
->reg_lock
, flags
);
723 for (i
= 0; i
< 16; i
++) /* ok.. fill all AD1848 registers */
724 snd_ad1848_out(chip
, i
, *ptr
++);
725 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
726 snd_ad1848_mce_up(chip
);
727 snd_ad1848_mce_down(chip
);
728 return 0; /* all things are ok.. */
735 static struct snd_pcm_hardware snd_ad1848_playback
=
737 .info
= (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
738 SNDRV_PCM_INFO_MMAP_VALID
),
739 .formats
= (SNDRV_PCM_FMTBIT_MU_LAW
| SNDRV_PCM_FMTBIT_A_LAW
|
740 SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
),
741 .rates
= SNDRV_PCM_RATE_KNOT
| SNDRV_PCM_RATE_8000_48000
,
746 .buffer_bytes_max
= (128*1024),
747 .period_bytes_min
= 64,
748 .period_bytes_max
= (128*1024),
754 static struct snd_pcm_hardware snd_ad1848_capture
=
756 .info
= (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
757 SNDRV_PCM_INFO_MMAP_VALID
),
758 .formats
= (SNDRV_PCM_FMTBIT_MU_LAW
| SNDRV_PCM_FMTBIT_A_LAW
|
759 SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
),
760 .rates
= SNDRV_PCM_RATE_KNOT
| SNDRV_PCM_RATE_8000_48000
,
765 .buffer_bytes_max
= (128*1024),
766 .period_bytes_min
= 64,
767 .period_bytes_max
= (128*1024),
777 static int snd_ad1848_playback_open(struct snd_pcm_substream
*substream
)
779 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
780 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
783 if ((err
= snd_ad1848_open(chip
, AD1848_MODE_PLAY
)) < 0)
785 chip
->playback_substream
= substream
;
786 runtime
->hw
= snd_ad1848_playback
;
787 snd_pcm_limit_isa_dma_size(chip
->dma
, &runtime
->hw
.buffer_bytes_max
);
788 snd_pcm_limit_isa_dma_size(chip
->dma
, &runtime
->hw
.period_bytes_max
);
789 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_RATE
, &hw_constraints_rates
);
793 static int snd_ad1848_capture_open(struct snd_pcm_substream
*substream
)
795 struct snd_ad1848
*chip
= snd_pcm_substream_chip(substream
);
796 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
799 if ((err
= snd_ad1848_open(chip
, AD1848_MODE_CAPTURE
)) < 0)
801 chip
->capture_substream
= substream
;
802 runtime
->hw
= snd_ad1848_capture
;
803 snd_pcm_limit_isa_dma_size(chip
->dma
, &runtime
->hw
.buffer_bytes_max
);
804 snd_pcm_limit_isa_dma_size(chip
->dma
, &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_ad1848
*chip
= snd_pcm_substream_chip(substream
);
813 chip
->mode
&= ~AD1848_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_ad1848
*chip
= snd_pcm_substream_chip(substream
);
823 chip
->mode
&= ~AD1848_MODE_CAPTURE
;
824 chip
->capture_substream
= NULL
;
825 snd_ad1848_close(chip
);
829 static int snd_ad1848_free(struct snd_ad1848
*chip
)
831 release_and_free_resource(chip
->res_port
);
833 free_irq(chip
->irq
, (void *) chip
);
834 if (chip
->dma
>= 0) {
835 snd_dma_disable(chip
->dma
);
842 static int snd_ad1848_dev_free(struct snd_device
*device
)
844 struct snd_ad1848
*chip
= device
->device_data
;
845 return snd_ad1848_free(chip
);
848 static const char *snd_ad1848_chip_id(struct snd_ad1848
*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_ad1848
** rchip
)
865 static struct snd_device_ops ops
= {
866 .dev_free
= snd_ad1848_dev_free
,
868 struct snd_ad1848
*chip
;
872 chip
= kzalloc(sizeof(*chip
), GFP_KERNEL
);
875 spin_lock_init(&chip
->reg_lock
);
880 chip
->hardware
= hardware
;
881 memcpy(&chip
->image
, &snd_ad1848_original_image
, sizeof(snd_ad1848_original_image
));
883 if ((chip
->res_port
= request_region(port
, 4, "AD1848")) == NULL
) {
884 snd_printk(KERN_ERR
"ad1848: can't grab port 0x%lx\n", port
);
885 snd_ad1848_free(chip
);
888 if (request_irq(irq
, snd_ad1848_interrupt
, IRQF_DISABLED
, "AD1848", (void *) chip
)) {
889 snd_printk(KERN_ERR
"ad1848: can't grab IRQ %d\n", irq
);
890 snd_ad1848_free(chip
);
894 if (request_dma(dma
, "AD1848")) {
895 snd_printk(KERN_ERR
"ad1848: can't grab DMA %d\n", dma
);
896 snd_ad1848_free(chip
);
901 if (hardware
== AD1848_HW_THINKPAD
) {
902 chip
->thinkpad_flag
= 1;
903 chip
->hardware
= AD1848_HW_DETECT
; /* reset */
904 snd_ad1848_thinkpad_twiddle(chip
, 1);
907 if (snd_ad1848_probe(chip
) < 0) {
908 snd_ad1848_free(chip
);
912 /* Register device */
913 if ((err
= snd_device_new(card
, SNDRV_DEV_LOWLEVEL
, chip
, &ops
)) < 0) {
914 snd_ad1848_free(chip
);
919 chip
->suspend
= snd_ad1848_suspend
;
920 chip
->resume
= snd_ad1848_resume
;
927 EXPORT_SYMBOL(snd_ad1848_create
);
929 static struct snd_pcm_ops snd_ad1848_playback_ops
= {
930 .open
= snd_ad1848_playback_open
,
931 .close
= snd_ad1848_playback_close
,
932 .ioctl
= snd_ad1848_ioctl
,
933 .hw_params
= snd_ad1848_playback_hw_params
,
934 .hw_free
= snd_ad1848_playback_hw_free
,
935 .prepare
= snd_ad1848_playback_prepare
,
936 .trigger
= snd_ad1848_playback_trigger
,
937 .pointer
= snd_ad1848_playback_pointer
,
940 static struct snd_pcm_ops snd_ad1848_capture_ops
= {
941 .open
= snd_ad1848_capture_open
,
942 .close
= snd_ad1848_capture_close
,
943 .ioctl
= snd_ad1848_ioctl
,
944 .hw_params
= snd_ad1848_capture_hw_params
,
945 .hw_free
= snd_ad1848_capture_hw_free
,
946 .prepare
= snd_ad1848_capture_prepare
,
947 .trigger
= snd_ad1848_capture_trigger
,
948 .pointer
= snd_ad1848_capture_pointer
,
951 int snd_ad1848_pcm(struct snd_ad1848
*chip
, int device
, struct snd_pcm
**rpcm
)
956 if ((err
= snd_pcm_new(chip
->card
, "AD1848", device
, 1, 1, &pcm
)) < 0)
959 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_PLAYBACK
, &snd_ad1848_playback_ops
);
960 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_CAPTURE
, &snd_ad1848_capture_ops
);
962 pcm
->private_data
= chip
;
963 pcm
->info_flags
= SNDRV_PCM_INFO_HALF_DUPLEX
;
964 strcpy(pcm
->name
, snd_ad1848_chip_id(chip
));
966 snd_pcm_lib_preallocate_pages_for_all(pcm
, SNDRV_DMA_TYPE_DEV
,
968 64*1024, chip
->dma
> 3 ? 128*1024 : 64*1024);
976 EXPORT_SYMBOL(snd_ad1848_pcm
);
978 const struct snd_pcm_ops
*snd_ad1848_get_pcm_ops(int direction
)
980 return direction
== SNDRV_PCM_STREAM_PLAYBACK
?
981 &snd_ad1848_playback_ops
: &snd_ad1848_capture_ops
;
984 EXPORT_SYMBOL(snd_ad1848_get_pcm_ops
);
990 static int snd_ad1848_info_mux(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
992 static char *texts
[4] = {
993 "Line", "Aux", "Mic", "Mix"
996 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
998 uinfo
->value
.enumerated
.items
= 4;
999 if (uinfo
->value
.enumerated
.item
> 3)
1000 uinfo
->value
.enumerated
.item
= 3;
1001 strcpy(uinfo
->value
.enumerated
.name
, texts
[uinfo
->value
.enumerated
.item
]);
1005 static int snd_ad1848_get_mux(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1007 struct snd_ad1848
*chip
= snd_kcontrol_chip(kcontrol
);
1008 unsigned long flags
;
1010 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1011 ucontrol
->value
.enumerated
.item
[0] = (chip
->image
[AD1848_LEFT_INPUT
] & AD1848_MIXS_ALL
) >> 6;
1012 ucontrol
->value
.enumerated
.item
[1] = (chip
->image
[AD1848_RIGHT_INPUT
] & AD1848_MIXS_ALL
) >> 6;
1013 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1017 static int snd_ad1848_put_mux(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1019 struct snd_ad1848
*chip
= snd_kcontrol_chip(kcontrol
);
1020 unsigned long flags
;
1021 unsigned short left
, right
;
1024 if (ucontrol
->value
.enumerated
.item
[0] > 3 ||
1025 ucontrol
->value
.enumerated
.item
[1] > 3)
1027 left
= ucontrol
->value
.enumerated
.item
[0] << 6;
1028 right
= ucontrol
->value
.enumerated
.item
[1] << 6;
1029 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1030 left
= (chip
->image
[AD1848_LEFT_INPUT
] & ~AD1848_MIXS_ALL
) | left
;
1031 right
= (chip
->image
[AD1848_RIGHT_INPUT
] & ~AD1848_MIXS_ALL
) | right
;
1032 change
= left
!= chip
->image
[AD1848_LEFT_INPUT
] ||
1033 right
!= chip
->image
[AD1848_RIGHT_INPUT
];
1034 snd_ad1848_out(chip
, AD1848_LEFT_INPUT
, left
);
1035 snd_ad1848_out(chip
, AD1848_RIGHT_INPUT
, right
);
1036 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1040 static int snd_ad1848_info_single(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
1042 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
1044 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
1046 uinfo
->value
.integer
.min
= 0;
1047 uinfo
->value
.integer
.max
= mask
;
1051 static int snd_ad1848_get_single(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1053 struct snd_ad1848
*chip
= snd_kcontrol_chip(kcontrol
);
1054 unsigned long flags
;
1055 int reg
= kcontrol
->private_value
& 0xff;
1056 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
1057 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
1058 int invert
= (kcontrol
->private_value
>> 24) & 0xff;
1060 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1061 ucontrol
->value
.integer
.value
[0] = (chip
->image
[reg
] >> shift
) & mask
;
1062 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1064 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
1068 static int snd_ad1848_put_single(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1070 struct snd_ad1848
*chip
= snd_kcontrol_chip(kcontrol
);
1071 unsigned long flags
;
1072 int reg
= kcontrol
->private_value
& 0xff;
1073 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
1074 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
1075 int invert
= (kcontrol
->private_value
>> 24) & 0xff;
1079 val
= (ucontrol
->value
.integer
.value
[0] & mask
);
1083 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1084 val
= (chip
->image
[reg
] & ~(mask
<< shift
)) | val
;
1085 change
= val
!= chip
->image
[reg
];
1086 snd_ad1848_out(chip
, reg
, val
);
1087 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1091 static int snd_ad1848_info_double(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_info
*uinfo
)
1093 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
1095 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
1097 uinfo
->value
.integer
.min
= 0;
1098 uinfo
->value
.integer
.max
= mask
;
1102 static int snd_ad1848_get_double(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1104 struct snd_ad1848
*chip
= snd_kcontrol_chip(kcontrol
);
1105 unsigned long flags
;
1106 int left_reg
= kcontrol
->private_value
& 0xff;
1107 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
1108 int shift_left
= (kcontrol
->private_value
>> 16) & 0x07;
1109 int shift_right
= (kcontrol
->private_value
>> 19) & 0x07;
1110 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
1111 int invert
= (kcontrol
->private_value
>> 22) & 1;
1113 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1114 ucontrol
->value
.integer
.value
[0] = (chip
->image
[left_reg
] >> shift_left
) & mask
;
1115 ucontrol
->value
.integer
.value
[1] = (chip
->image
[right_reg
] >> shift_right
) & mask
;
1116 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1118 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
1119 ucontrol
->value
.integer
.value
[1] = mask
- ucontrol
->value
.integer
.value
[1];
1124 static int snd_ad1848_put_double(struct snd_kcontrol
*kcontrol
, struct snd_ctl_elem_value
*ucontrol
)
1126 struct snd_ad1848
*chip
= snd_kcontrol_chip(kcontrol
);
1127 unsigned long flags
;
1128 int left_reg
= kcontrol
->private_value
& 0xff;
1129 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
1130 int shift_left
= (kcontrol
->private_value
>> 16) & 0x07;
1131 int shift_right
= (kcontrol
->private_value
>> 19) & 0x07;
1132 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
1133 int invert
= (kcontrol
->private_value
>> 22) & 1;
1135 unsigned short val1
, val2
;
1137 val1
= ucontrol
->value
.integer
.value
[0] & mask
;
1138 val2
= ucontrol
->value
.integer
.value
[1] & mask
;
1143 val1
<<= shift_left
;
1144 val2
<<= shift_right
;
1145 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1146 if (left_reg
!= right_reg
) {
1147 val1
= (chip
->image
[left_reg
] & ~(mask
<< shift_left
)) | val1
;
1148 val2
= (chip
->image
[right_reg
] & ~(mask
<< shift_right
)) | val2
;
1149 change
= val1
!= chip
->image
[left_reg
] || val2
!= chip
->image
[right_reg
];
1150 snd_ad1848_out(chip
, left_reg
, val1
);
1151 snd_ad1848_out(chip
, right_reg
, val2
);
1153 val1
= (chip
->image
[left_reg
] & ~((mask
<< shift_left
) | (mask
<< shift_right
))) | val1
| val2
;
1154 change
= val1
!= chip
->image
[left_reg
];
1155 snd_ad1848_out(chip
, left_reg
, val1
);
1157 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1163 int snd_ad1848_add_ctl_elem(struct snd_ad1848
*chip
,
1164 const struct ad1848_mix_elem
*c
)
1166 static struct snd_kcontrol_new newctls
[] = {
1167 [AD1848_MIX_SINGLE
] = {
1168 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1169 .info
= snd_ad1848_info_single
,
1170 .get
= snd_ad1848_get_single
,
1171 .put
= snd_ad1848_put_single
,
1173 [AD1848_MIX_DOUBLE
] = {
1174 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1175 .info
= snd_ad1848_info_double
,
1176 .get
= snd_ad1848_get_double
,
1177 .put
= snd_ad1848_put_double
,
1179 [AD1848_MIX_CAPTURE
] = {
1180 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
1181 .info
= snd_ad1848_info_mux
,
1182 .get
= snd_ad1848_get_mux
,
1183 .put
= snd_ad1848_put_mux
,
1186 struct snd_kcontrol
*ctl
;
1189 ctl
= snd_ctl_new1(&newctls
[c
->type
], chip
);
1192 strlcpy(ctl
->id
.name
, c
->name
, sizeof(ctl
->id
.name
));
1193 ctl
->id
.index
= c
->index
;
1194 ctl
->private_value
= c
->private_value
;
1196 ctl
->vd
[0].access
|= SNDRV_CTL_ELEM_ACCESS_TLV_READ
;
1197 ctl
->tlv
.p
= c
->tlv
;
1199 if ((err
= snd_ctl_add(chip
->card
, ctl
)) < 0)
1204 EXPORT_SYMBOL(snd_ad1848_add_ctl_elem
);
1206 static const DECLARE_TLV_DB_SCALE(db_scale_6bit
, -9450, 150, 0);
1207 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max
, -3450, 150, 0);
1208 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain
, 0, 150, 0);
1210 static struct ad1848_mix_elem snd_ad1848_controls
[] = {
1211 AD1848_DOUBLE("PCM Playback Switch", 0, AD1848_LEFT_OUTPUT
, AD1848_RIGHT_OUTPUT
, 7, 7, 1, 1),
1212 AD1848_DOUBLE_TLV("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT
, AD1848_RIGHT_OUTPUT
, 0, 0, 63, 1,
1214 AD1848_DOUBLE("Aux Playback Switch", 0, AD1848_AUX1_LEFT_INPUT
, AD1848_AUX1_RIGHT_INPUT
, 7, 7, 1, 1),
1215 AD1848_DOUBLE_TLV("Aux Playback Volume", 0, AD1848_AUX1_LEFT_INPUT
, AD1848_AUX1_RIGHT_INPUT
, 0, 0, 31, 1,
1216 db_scale_5bit_12db_max
),
1217 AD1848_DOUBLE("Aux Playback Switch", 1, AD1848_AUX2_LEFT_INPUT
, AD1848_AUX2_RIGHT_INPUT
, 7, 7, 1, 1),
1218 AD1848_DOUBLE_TLV("Aux Playback Volume", 1, AD1848_AUX2_LEFT_INPUT
, AD1848_AUX2_RIGHT_INPUT
, 0, 0, 31, 1,
1219 db_scale_5bit_12db_max
),
1220 AD1848_DOUBLE_TLV("Capture Volume", 0, AD1848_LEFT_INPUT
, AD1848_RIGHT_INPUT
, 0, 0, 15, 0,
1223 .name
= "Capture Source",
1224 .type
= AD1848_MIX_CAPTURE
,
1226 AD1848_SINGLE("Loopback Capture Switch", 0, AD1848_LOOPBACK
, 0, 1, 0),
1227 AD1848_SINGLE_TLV("Loopback Capture Volume", 0, AD1848_LOOPBACK
, 1, 63, 0,
1231 int snd_ad1848_mixer(struct snd_ad1848
*chip
)
1233 struct snd_card
*card
;
1234 struct snd_pcm
*pcm
;
1238 snd_assert(chip
!= NULL
&& chip
->pcm
!= NULL
, return -EINVAL
);
1243 strcpy(card
->mixername
, pcm
->name
);
1245 for (idx
= 0; idx
< ARRAY_SIZE(snd_ad1848_controls
); idx
++)
1246 if ((err
= snd_ad1848_add_ctl_elem(chip
, &snd_ad1848_controls
[idx
])) < 0)
1252 EXPORT_SYMBOL(snd_ad1848_mixer
);
1258 static int __init
alsa_ad1848_init(void)
1263 static void __exit
alsa_ad1848_exit(void)
1267 module_init(alsa_ad1848_init
)
1268 module_exit(alsa_ad1848_exit
)