2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3 * Routines for control of CS4231(A)/CS4232/InterWave & compatible chips
6 * - sometimes record brokes playback with WSS portion of
8 * - CS4231 (GUS MAX) - still trouble with occasional noises
9 * - broken initialization?
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <linux/delay.h>
29 #include <linux/init.h>
30 #include <linux/interrupt.h>
31 #include <linux/slab.h>
32 #include <linux/ioport.h>
33 #include <sound/core.h>
34 #include <sound/wss.h>
35 #include <sound/pcm_params.h>
36 #include <sound/tlv.h>
42 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
43 MODULE_DESCRIPTION("Routines for control of CS4231(A)/CS4232/InterWave & compatible chips");
44 MODULE_LICENSE("GPL");
47 #define SNDRV_DEBUG_MCE
54 static unsigned char freq_bits
[14] = {
55 /* 5510 */ 0x00 | CS4231_XTAL2
,
56 /* 6620 */ 0x0E | CS4231_XTAL2
,
57 /* 8000 */ 0x00 | CS4231_XTAL1
,
58 /* 9600 */ 0x0E | CS4231_XTAL1
,
59 /* 11025 */ 0x02 | CS4231_XTAL2
,
60 /* 16000 */ 0x02 | CS4231_XTAL1
,
61 /* 18900 */ 0x04 | CS4231_XTAL2
,
62 /* 22050 */ 0x06 | CS4231_XTAL2
,
63 /* 27042 */ 0x04 | CS4231_XTAL1
,
64 /* 32000 */ 0x06 | CS4231_XTAL1
,
65 /* 33075 */ 0x0C | CS4231_XTAL2
,
66 /* 37800 */ 0x08 | CS4231_XTAL2
,
67 /* 44100 */ 0x0A | CS4231_XTAL2
,
68 /* 48000 */ 0x0C | CS4231_XTAL1
71 static unsigned int rates
[14] = {
72 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050,
73 27042, 32000, 33075, 37800, 44100, 48000
76 static struct snd_pcm_hw_constraint_list hw_constraints_rates
= {
77 .count
= ARRAY_SIZE(rates
),
82 static int snd_wss_xrate(struct snd_pcm_runtime
*runtime
)
84 return snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_RATE
,
85 &hw_constraints_rates
);
88 static unsigned char snd_wss_original_image
[32] =
90 0x00, /* 00/00 - lic */
91 0x00, /* 01/01 - ric */
92 0x9f, /* 02/02 - la1ic */
93 0x9f, /* 03/03 - ra1ic */
94 0x9f, /* 04/04 - la2ic */
95 0x9f, /* 05/05 - ra2ic */
96 0xbf, /* 06/06 - loc */
97 0xbf, /* 07/07 - roc */
98 0x20, /* 08/08 - pdfr */
99 CS4231_AUTOCALIB
, /* 09/09 - ic */
100 0x00, /* 0a/10 - pc */
101 0x00, /* 0b/11 - ti */
102 CS4231_MODE2
, /* 0c/12 - mi */
103 0xfc, /* 0d/13 - lbc */
104 0x00, /* 0e/14 - pbru */
105 0x00, /* 0f/15 - pbrl */
106 0x80, /* 10/16 - afei */
107 0x01, /* 11/17 - afeii */
108 0x9f, /* 12/18 - llic */
109 0x9f, /* 13/19 - rlic */
110 0x00, /* 14/20 - tlb */
111 0x00, /* 15/21 - thb */
112 0x00, /* 16/22 - la3mic/reserved */
113 0x00, /* 17/23 - ra3mic/reserved */
114 0x00, /* 18/24 - afs */
115 0x00, /* 19/25 - lamoc/version */
116 0xcf, /* 1a/26 - mioc */
117 0x00, /* 1b/27 - ramoc/reserved */
118 0x20, /* 1c/28 - cdfr */
119 0x00, /* 1d/29 - res4 */
120 0x00, /* 1e/30 - cbru */
121 0x00, /* 1f/31 - cbrl */
124 static unsigned char snd_opti93x_original_image
[32] =
126 0x00, /* 00/00 - l_mixout_outctrl */
127 0x00, /* 01/01 - r_mixout_outctrl */
128 0x88, /* 02/02 - l_cd_inctrl */
129 0x88, /* 03/03 - r_cd_inctrl */
130 0x88, /* 04/04 - l_a1/fm_inctrl */
131 0x88, /* 05/05 - r_a1/fm_inctrl */
132 0x80, /* 06/06 - l_dac_inctrl */
133 0x80, /* 07/07 - r_dac_inctrl */
134 0x00, /* 08/08 - ply_dataform_reg */
135 0x00, /* 09/09 - if_conf */
136 0x00, /* 0a/10 - pin_ctrl */
137 0x00, /* 0b/11 - err_init_reg */
138 0x0a, /* 0c/12 - id_reg */
139 0x00, /* 0d/13 - reserved */
140 0x00, /* 0e/14 - ply_upcount_reg */
141 0x00, /* 0f/15 - ply_lowcount_reg */
142 0x88, /* 10/16 - reserved/l_a1_inctrl */
143 0x88, /* 11/17 - reserved/r_a1_inctrl */
144 0x88, /* 12/18 - l_line_inctrl */
145 0x88, /* 13/19 - r_line_inctrl */
146 0x88, /* 14/20 - l_mic_inctrl */
147 0x88, /* 15/21 - r_mic_inctrl */
148 0x80, /* 16/22 - l_out_outctrl */
149 0x80, /* 17/23 - r_out_outctrl */
150 0x00, /* 18/24 - reserved */
151 0x00, /* 19/25 - reserved */
152 0x00, /* 1a/26 - reserved */
153 0x00, /* 1b/27 - reserved */
154 0x00, /* 1c/28 - cap_dataform_reg */
155 0x00, /* 1d/29 - reserved */
156 0x00, /* 1e/30 - cap_upcount_reg */
157 0x00 /* 1f/31 - cap_lowcount_reg */
161 * Basic I/O functions
164 static inline void wss_outb(struct snd_wss
*chip
, u8 offset
, u8 val
)
166 outb(val
, chip
->port
+ offset
);
169 static inline u8
wss_inb(struct snd_wss
*chip
, u8 offset
)
171 return inb(chip
->port
+ offset
);
174 static void snd_wss_wait(struct snd_wss
*chip
)
179 timeout
> 0 && (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
);
184 static void snd_wss_dout(struct snd_wss
*chip
, unsigned char reg
,
190 timeout
> 0 && (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
);
193 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| reg
);
194 wss_outb(chip
, CS4231P(REG
), value
);
198 void snd_wss_out(struct snd_wss
*chip
, unsigned char reg
, unsigned char value
)
201 #ifdef CONFIG_SND_DEBUG
202 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
203 snd_printk(KERN_DEBUG
"out: auto calibration time out "
204 "- reg = 0x%x, value = 0x%x\n", reg
, value
);
206 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| reg
);
207 wss_outb(chip
, CS4231P(REG
), value
);
208 chip
->image
[reg
] = value
;
210 snd_printdd("codec out - reg 0x%x = 0x%x\n",
211 chip
->mce_bit
| reg
, value
);
213 EXPORT_SYMBOL(snd_wss_out
);
215 unsigned char snd_wss_in(struct snd_wss
*chip
, unsigned char reg
)
218 #ifdef CONFIG_SND_DEBUG
219 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
220 snd_printk(KERN_DEBUG
"in: auto calibration time out "
221 "- reg = 0x%x\n", reg
);
223 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| reg
);
225 return wss_inb(chip
, CS4231P(REG
));
227 EXPORT_SYMBOL(snd_wss_in
);
229 void snd_cs4236_ext_out(struct snd_wss
*chip
, unsigned char reg
,
232 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| 0x17);
233 wss_outb(chip
, CS4231P(REG
),
234 reg
| (chip
->image
[CS4236_EXT_REG
] & 0x01));
235 wss_outb(chip
, CS4231P(REG
), val
);
236 chip
->eimage
[CS4236_REG(reg
)] = val
;
238 printk(KERN_DEBUG
"ext out : reg = 0x%x, val = 0x%x\n", reg
, val
);
241 EXPORT_SYMBOL(snd_cs4236_ext_out
);
243 unsigned char snd_cs4236_ext_in(struct snd_wss
*chip
, unsigned char reg
)
245 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| 0x17);
246 wss_outb(chip
, CS4231P(REG
),
247 reg
| (chip
->image
[CS4236_EXT_REG
] & 0x01));
249 return wss_inb(chip
, CS4231P(REG
));
253 res
= wss_inb(chip
, CS4231P(REG
));
254 printk(KERN_DEBUG
"ext in : reg = 0x%x, val = 0x%x\n",
260 EXPORT_SYMBOL(snd_cs4236_ext_in
);
264 static void snd_wss_debug(struct snd_wss
*chip
)
267 "CS4231 REGS: INDEX = 0x%02x "
268 " STATUS = 0x%02x\n",
269 wss_inb(chip
, CS4231P(REGSEL
)),
270 wss_inb(chip
, CS4231P(STATUS
)));
272 " 0x00: left input = 0x%02x "
273 " 0x10: alt 1 (CFIG 2) = 0x%02x\n",
274 snd_wss_in(chip
, 0x00),
275 snd_wss_in(chip
, 0x10));
277 " 0x01: right input = 0x%02x "
278 " 0x11: alt 2 (CFIG 3) = 0x%02x\n",
279 snd_wss_in(chip
, 0x01),
280 snd_wss_in(chip
, 0x11));
282 " 0x02: GF1 left input = 0x%02x "
283 " 0x12: left line in = 0x%02x\n",
284 snd_wss_in(chip
, 0x02),
285 snd_wss_in(chip
, 0x12));
287 " 0x03: GF1 right input = 0x%02x "
288 " 0x13: right line in = 0x%02x\n",
289 snd_wss_in(chip
, 0x03),
290 snd_wss_in(chip
, 0x13));
292 " 0x04: CD left input = 0x%02x "
293 " 0x14: timer low = 0x%02x\n",
294 snd_wss_in(chip
, 0x04),
295 snd_wss_in(chip
, 0x14));
297 " 0x05: CD right input = 0x%02x "
298 " 0x15: timer high = 0x%02x\n",
299 snd_wss_in(chip
, 0x05),
300 snd_wss_in(chip
, 0x15));
302 " 0x06: left output = 0x%02x "
303 " 0x16: left MIC (PnP) = 0x%02x\n",
304 snd_wss_in(chip
, 0x06),
305 snd_wss_in(chip
, 0x16));
307 " 0x07: right output = 0x%02x "
308 " 0x17: right MIC (PnP) = 0x%02x\n",
309 snd_wss_in(chip
, 0x07),
310 snd_wss_in(chip
, 0x17));
312 " 0x08: playback format = 0x%02x "
313 " 0x18: IRQ status = 0x%02x\n",
314 snd_wss_in(chip
, 0x08),
315 snd_wss_in(chip
, 0x18));
317 " 0x09: iface (CFIG 1) = 0x%02x "
318 " 0x19: left line out = 0x%02x\n",
319 snd_wss_in(chip
, 0x09),
320 snd_wss_in(chip
, 0x19));
322 " 0x0a: pin control = 0x%02x "
323 " 0x1a: mono control = 0x%02x\n",
324 snd_wss_in(chip
, 0x0a),
325 snd_wss_in(chip
, 0x1a));
327 " 0x0b: init & status = 0x%02x "
328 " 0x1b: right line out = 0x%02x\n",
329 snd_wss_in(chip
, 0x0b),
330 snd_wss_in(chip
, 0x1b));
332 " 0x0c: revision & mode = 0x%02x "
333 " 0x1c: record format = 0x%02x\n",
334 snd_wss_in(chip
, 0x0c),
335 snd_wss_in(chip
, 0x1c));
337 " 0x0d: loopback = 0x%02x "
338 " 0x1d: var freq (PnP) = 0x%02x\n",
339 snd_wss_in(chip
, 0x0d),
340 snd_wss_in(chip
, 0x1d));
342 " 0x0e: ply upr count = 0x%02x "
343 " 0x1e: ply lwr count = 0x%02x\n",
344 snd_wss_in(chip
, 0x0e),
345 snd_wss_in(chip
, 0x1e));
347 " 0x0f: rec upr count = 0x%02x "
348 " 0x1f: rec lwr count = 0x%02x\n",
349 snd_wss_in(chip
, 0x0f),
350 snd_wss_in(chip
, 0x1f));
356 * CS4231 detection / MCE routines
359 static void snd_wss_busy_wait(struct snd_wss
*chip
)
363 /* huh.. looks like this sequence is proper for CS4231A chip (GUS MAX) */
364 for (timeout
= 5; timeout
> 0; timeout
--)
365 wss_inb(chip
, CS4231P(REGSEL
));
366 /* end of cleanup sequence */
367 for (timeout
= 25000;
368 timeout
> 0 && (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
);
373 void snd_wss_mce_up(struct snd_wss
*chip
)
379 #ifdef CONFIG_SND_DEBUG
380 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
381 snd_printk(KERN_DEBUG
382 "mce_up - auto calibration time out (0)\n");
384 spin_lock_irqsave(&chip
->reg_lock
, flags
);
385 chip
->mce_bit
|= CS4231_MCE
;
386 timeout
= wss_inb(chip
, CS4231P(REGSEL
));
388 snd_printk(KERN_DEBUG
"mce_up [0x%lx]: "
389 "serious init problem - codec still busy\n",
391 if (!(timeout
& CS4231_MCE
))
392 wss_outb(chip
, CS4231P(REGSEL
),
393 chip
->mce_bit
| (timeout
& 0x1f));
394 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
396 EXPORT_SYMBOL(snd_wss_mce_up
);
398 void snd_wss_mce_down(struct snd_wss
*chip
)
401 unsigned long end_time
;
403 int hw_mask
= WSS_HW_CS4231_MASK
| WSS_HW_CS4232_MASK
| WSS_HW_AD1848
;
405 snd_wss_busy_wait(chip
);
407 #ifdef CONFIG_SND_DEBUG
408 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
409 snd_printk(KERN_DEBUG
"mce_down [0x%lx] - "
410 "auto calibration time out (0)\n",
411 (long)CS4231P(REGSEL
));
413 spin_lock_irqsave(&chip
->reg_lock
, flags
);
414 chip
->mce_bit
&= ~CS4231_MCE
;
415 timeout
= wss_inb(chip
, CS4231P(REGSEL
));
416 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| (timeout
& 0x1f));
417 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
419 snd_printk(KERN_DEBUG
"mce_down [0x%lx]: "
420 "serious init problem - codec still busy\n",
422 if ((timeout
& CS4231_MCE
) == 0 || !(chip
->hardware
& hw_mask
))
426 * Wait for (possible -- during init auto-calibration may not be set)
427 * calibration process to start. Needs upto 5 sample periods on AD1848
428 * which at the slowest possible rate of 5.5125 kHz means 907 us.
432 snd_printdd("(1) jiffies = %lu\n", jiffies
);
434 /* check condition up to 250 ms */
435 end_time
= jiffies
+ msecs_to_jiffies(250);
436 while (snd_wss_in(chip
, CS4231_TEST_INIT
) &
437 CS4231_CALIB_IN_PROGRESS
) {
439 if (time_after(jiffies
, end_time
)) {
440 snd_printk(KERN_ERR
"mce_down - "
441 "auto calibration time out (2)\n");
447 snd_printdd("(2) jiffies = %lu\n", jiffies
);
449 /* check condition up to 100 ms */
450 end_time
= jiffies
+ msecs_to_jiffies(100);
451 while (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
) {
452 if (time_after(jiffies
, end_time
)) {
453 snd_printk(KERN_ERR
"mce_down - auto calibration time out (3)\n");
459 snd_printdd("(3) jiffies = %lu\n", jiffies
);
460 snd_printd("mce_down - exit = 0x%x\n", wss_inb(chip
, CS4231P(REGSEL
)));
462 EXPORT_SYMBOL(snd_wss_mce_down
);
464 static unsigned int snd_wss_get_count(unsigned char format
, unsigned int size
)
466 switch (format
& 0xe0) {
467 case CS4231_LINEAR_16
:
468 case CS4231_LINEAR_16_BIG
:
471 case CS4231_ADPCM_16
:
474 if (format
& CS4231_STEREO
)
479 static int snd_wss_trigger(struct snd_pcm_substream
*substream
,
482 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
485 struct snd_pcm_substream
*s
;
489 case SNDRV_PCM_TRIGGER_START
:
490 case SNDRV_PCM_TRIGGER_RESUME
:
492 case SNDRV_PCM_TRIGGER_STOP
:
493 case SNDRV_PCM_TRIGGER_SUSPEND
:
500 snd_pcm_group_for_each_entry(s
, substream
) {
501 if (s
== chip
->playback_substream
) {
502 what
|= CS4231_PLAYBACK_ENABLE
;
503 snd_pcm_trigger_done(s
, substream
);
504 } else if (s
== chip
->capture_substream
) {
505 what
|= CS4231_RECORD_ENABLE
;
506 snd_pcm_trigger_done(s
, substream
);
509 spin_lock(&chip
->reg_lock
);
511 chip
->image
[CS4231_IFACE_CTRL
] |= what
;
513 chip
->trigger(chip
, what
, 1);
515 chip
->image
[CS4231_IFACE_CTRL
] &= ~what
;
517 chip
->trigger(chip
, what
, 0);
519 snd_wss_out(chip
, CS4231_IFACE_CTRL
, chip
->image
[CS4231_IFACE_CTRL
]);
520 spin_unlock(&chip
->reg_lock
);
531 static unsigned char snd_wss_get_rate(unsigned int rate
)
535 for (i
= 0; i
< ARRAY_SIZE(rates
); i
++)
536 if (rate
== rates
[i
])
539 return freq_bits
[ARRAY_SIZE(rates
) - 1];
542 static unsigned char snd_wss_get_format(struct snd_wss
*chip
,
546 unsigned char rformat
;
548 rformat
= CS4231_LINEAR_8
;
550 case SNDRV_PCM_FORMAT_MU_LAW
: rformat
= CS4231_ULAW_8
; break;
551 case SNDRV_PCM_FORMAT_A_LAW
: rformat
= CS4231_ALAW_8
; break;
552 case SNDRV_PCM_FORMAT_S16_LE
: rformat
= CS4231_LINEAR_16
; break;
553 case SNDRV_PCM_FORMAT_S16_BE
: rformat
= CS4231_LINEAR_16_BIG
; break;
554 case SNDRV_PCM_FORMAT_IMA_ADPCM
: rformat
= CS4231_ADPCM_16
; break;
557 rformat
|= CS4231_STEREO
;
559 snd_printk(KERN_DEBUG
"get_format: 0x%x (mode=0x%x)\n", format
, mode
);
564 static void snd_wss_calibrate_mute(struct snd_wss
*chip
, int mute
)
568 mute
= mute
? 0x80 : 0;
569 spin_lock_irqsave(&chip
->reg_lock
, flags
);
570 if (chip
->calibrate_mute
== mute
) {
571 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
575 snd_wss_dout(chip
, CS4231_LEFT_INPUT
,
576 chip
->image
[CS4231_LEFT_INPUT
]);
577 snd_wss_dout(chip
, CS4231_RIGHT_INPUT
,
578 chip
->image
[CS4231_RIGHT_INPUT
]);
579 snd_wss_dout(chip
, CS4231_LOOPBACK
,
580 chip
->image
[CS4231_LOOPBACK
]);
582 snd_wss_dout(chip
, CS4231_LEFT_INPUT
,
584 snd_wss_dout(chip
, CS4231_RIGHT_INPUT
,
586 snd_wss_dout(chip
, CS4231_LOOPBACK
,
590 snd_wss_dout(chip
, CS4231_AUX1_LEFT_INPUT
,
591 mute
| chip
->image
[CS4231_AUX1_LEFT_INPUT
]);
592 snd_wss_dout(chip
, CS4231_AUX1_RIGHT_INPUT
,
593 mute
| chip
->image
[CS4231_AUX1_RIGHT_INPUT
]);
594 snd_wss_dout(chip
, CS4231_AUX2_LEFT_INPUT
,
595 mute
| chip
->image
[CS4231_AUX2_LEFT_INPUT
]);
596 snd_wss_dout(chip
, CS4231_AUX2_RIGHT_INPUT
,
597 mute
| chip
->image
[CS4231_AUX2_RIGHT_INPUT
]);
598 snd_wss_dout(chip
, CS4231_LEFT_OUTPUT
,
599 mute
| chip
->image
[CS4231_LEFT_OUTPUT
]);
600 snd_wss_dout(chip
, CS4231_RIGHT_OUTPUT
,
601 mute
| chip
->image
[CS4231_RIGHT_OUTPUT
]);
602 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
)) {
603 snd_wss_dout(chip
, CS4231_LEFT_LINE_IN
,
604 mute
| chip
->image
[CS4231_LEFT_LINE_IN
]);
605 snd_wss_dout(chip
, CS4231_RIGHT_LINE_IN
,
606 mute
| chip
->image
[CS4231_RIGHT_LINE_IN
]);
607 snd_wss_dout(chip
, CS4231_MONO_CTRL
,
608 mute
? 0xc0 : chip
->image
[CS4231_MONO_CTRL
]);
610 if (chip
->hardware
== WSS_HW_INTERWAVE
) {
611 snd_wss_dout(chip
, CS4231_LEFT_MIC_INPUT
,
612 mute
| chip
->image
[CS4231_LEFT_MIC_INPUT
]);
613 snd_wss_dout(chip
, CS4231_RIGHT_MIC_INPUT
,
614 mute
| chip
->image
[CS4231_RIGHT_MIC_INPUT
]);
615 snd_wss_dout(chip
, CS4231_LINE_LEFT_OUTPUT
,
616 mute
| chip
->image
[CS4231_LINE_LEFT_OUTPUT
]);
617 snd_wss_dout(chip
, CS4231_LINE_RIGHT_OUTPUT
,
618 mute
| chip
->image
[CS4231_LINE_RIGHT_OUTPUT
]);
620 chip
->calibrate_mute
= mute
;
621 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
624 static void snd_wss_playback_format(struct snd_wss
*chip
,
625 struct snd_pcm_hw_params
*params
,
631 mutex_lock(&chip
->mce_mutex
);
632 if (chip
->hardware
== WSS_HW_CS4231A
||
633 (chip
->hardware
& WSS_HW_CS4232_MASK
)) {
634 spin_lock_irqsave(&chip
->reg_lock
, flags
);
635 if ((chip
->image
[CS4231_PLAYBK_FORMAT
] & 0x0f) == (pdfr
& 0x0f)) { /* rate is same? */
636 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
637 chip
->image
[CS4231_ALT_FEATURE_1
] | 0x10);
638 chip
->image
[CS4231_PLAYBK_FORMAT
] = pdfr
;
639 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
,
640 chip
->image
[CS4231_PLAYBK_FORMAT
]);
641 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
642 chip
->image
[CS4231_ALT_FEATURE_1
] &= ~0x10);
643 udelay(100); /* Fixes audible clicks at least on GUS MAX */
646 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
647 } else if (chip
->hardware
== WSS_HW_AD1845
) {
648 unsigned rate
= params_rate(params
);
651 * Program the AD1845 correctly for the playback stream.
652 * Note that we do NOT need to toggle the MCE bit because
653 * the PLAYBACK_ENABLE bit of the Interface Configuration
656 * NOTE: We seem to need to write to the MSB before the LSB
657 * to get the correct sample frequency.
659 spin_lock_irqsave(&chip
->reg_lock
, flags
);
660 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
, (pdfr
& 0xf0));
661 snd_wss_out(chip
, AD1845_UPR_FREQ_SEL
, (rate
>> 8) & 0xff);
662 snd_wss_out(chip
, AD1845_LWR_FREQ_SEL
, rate
& 0xff);
664 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
667 snd_wss_mce_up(chip
);
668 spin_lock_irqsave(&chip
->reg_lock
, flags
);
669 if (chip
->hardware
!= WSS_HW_INTERWAVE
&& !chip
->single_dma
) {
670 if (chip
->image
[CS4231_IFACE_CTRL
] & CS4231_RECORD_ENABLE
)
671 pdfr
= (pdfr
& 0xf0) |
672 (chip
->image
[CS4231_REC_FORMAT
] & 0x0f);
674 chip
->image
[CS4231_PLAYBK_FORMAT
] = pdfr
;
676 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
, pdfr
);
677 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
678 if (chip
->hardware
== WSS_HW_OPL3SA2
)
679 udelay(100); /* this seems to help */
680 snd_wss_mce_down(chip
);
682 mutex_unlock(&chip
->mce_mutex
);
685 static void snd_wss_capture_format(struct snd_wss
*chip
,
686 struct snd_pcm_hw_params
*params
,
692 mutex_lock(&chip
->mce_mutex
);
693 if (chip
->hardware
== WSS_HW_CS4231A
||
694 (chip
->hardware
& WSS_HW_CS4232_MASK
)) {
695 spin_lock_irqsave(&chip
->reg_lock
, flags
);
696 if ((chip
->image
[CS4231_PLAYBK_FORMAT
] & 0x0f) == (cdfr
& 0x0f) || /* rate is same? */
697 (chip
->image
[CS4231_IFACE_CTRL
] & CS4231_PLAYBACK_ENABLE
)) {
698 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
699 chip
->image
[CS4231_ALT_FEATURE_1
] | 0x20);
700 snd_wss_out(chip
, CS4231_REC_FORMAT
,
701 chip
->image
[CS4231_REC_FORMAT
] = cdfr
);
702 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
703 chip
->image
[CS4231_ALT_FEATURE_1
] &= ~0x20);
706 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
707 } else if (chip
->hardware
== WSS_HW_AD1845
) {
708 unsigned rate
= params_rate(params
);
711 * Program the AD1845 correctly for the capture stream.
712 * Note that we do NOT need to toggle the MCE bit because
713 * the PLAYBACK_ENABLE bit of the Interface Configuration
716 * NOTE: We seem to need to write to the MSB before the LSB
717 * to get the correct sample frequency.
719 spin_lock_irqsave(&chip
->reg_lock
, flags
);
720 snd_wss_out(chip
, CS4231_REC_FORMAT
, (cdfr
& 0xf0));
721 snd_wss_out(chip
, AD1845_UPR_FREQ_SEL
, (rate
>> 8) & 0xff);
722 snd_wss_out(chip
, AD1845_LWR_FREQ_SEL
, rate
& 0xff);
724 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
727 snd_wss_mce_up(chip
);
728 spin_lock_irqsave(&chip
->reg_lock
, flags
);
729 if (chip
->hardware
!= WSS_HW_INTERWAVE
&&
730 !(chip
->image
[CS4231_IFACE_CTRL
] & CS4231_PLAYBACK_ENABLE
)) {
731 if (chip
->single_dma
)
732 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
, cdfr
);
734 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
,
735 (chip
->image
[CS4231_PLAYBK_FORMAT
] & 0xf0) |
737 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
738 snd_wss_mce_down(chip
);
739 snd_wss_mce_up(chip
);
740 spin_lock_irqsave(&chip
->reg_lock
, flags
);
742 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
743 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
, cdfr
);
745 snd_wss_out(chip
, CS4231_REC_FORMAT
, cdfr
);
746 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
747 snd_wss_mce_down(chip
);
749 mutex_unlock(&chip
->mce_mutex
);
756 static unsigned long snd_wss_timer_resolution(struct snd_timer
*timer
)
758 struct snd_wss
*chip
= snd_timer_chip(timer
);
759 if (chip
->hardware
& WSS_HW_CS4236B_MASK
)
762 return chip
->image
[CS4231_PLAYBK_FORMAT
] & 1 ? 9969 : 9920;
765 static int snd_wss_timer_start(struct snd_timer
*timer
)
769 struct snd_wss
*chip
= snd_timer_chip(timer
);
770 spin_lock_irqsave(&chip
->reg_lock
, flags
);
771 ticks
= timer
->sticks
;
772 if ((chip
->image
[CS4231_ALT_FEATURE_1
] & CS4231_TIMER_ENABLE
) == 0 ||
773 (unsigned char)(ticks
>> 8) != chip
->image
[CS4231_TIMER_HIGH
] ||
774 (unsigned char)ticks
!= chip
->image
[CS4231_TIMER_LOW
]) {
775 chip
->image
[CS4231_TIMER_HIGH
] = (unsigned char) (ticks
>> 8);
776 snd_wss_out(chip
, CS4231_TIMER_HIGH
,
777 chip
->image
[CS4231_TIMER_HIGH
]);
778 chip
->image
[CS4231_TIMER_LOW
] = (unsigned char) ticks
;
779 snd_wss_out(chip
, CS4231_TIMER_LOW
,
780 chip
->image
[CS4231_TIMER_LOW
]);
781 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
782 chip
->image
[CS4231_ALT_FEATURE_1
] |
783 CS4231_TIMER_ENABLE
);
785 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
789 static int snd_wss_timer_stop(struct snd_timer
*timer
)
792 struct snd_wss
*chip
= snd_timer_chip(timer
);
793 spin_lock_irqsave(&chip
->reg_lock
, flags
);
794 chip
->image
[CS4231_ALT_FEATURE_1
] &= ~CS4231_TIMER_ENABLE
;
795 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
796 chip
->image
[CS4231_ALT_FEATURE_1
]);
797 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
801 static void snd_wss_init(struct snd_wss
*chip
)
805 snd_wss_calibrate_mute(chip
, 1);
806 snd_wss_mce_down(chip
);
808 #ifdef SNDRV_DEBUG_MCE
809 snd_printk(KERN_DEBUG
"init: (1)\n");
811 snd_wss_mce_up(chip
);
812 spin_lock_irqsave(&chip
->reg_lock
, flags
);
813 chip
->image
[CS4231_IFACE_CTRL
] &= ~(CS4231_PLAYBACK_ENABLE
|
814 CS4231_PLAYBACK_PIO
|
815 CS4231_RECORD_ENABLE
|
818 chip
->image
[CS4231_IFACE_CTRL
] |= CS4231_AUTOCALIB
;
819 snd_wss_out(chip
, CS4231_IFACE_CTRL
, chip
->image
[CS4231_IFACE_CTRL
]);
820 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
821 snd_wss_mce_down(chip
);
823 #ifdef SNDRV_DEBUG_MCE
824 snd_printk(KERN_DEBUG
"init: (2)\n");
827 snd_wss_mce_up(chip
);
828 spin_lock_irqsave(&chip
->reg_lock
, flags
);
829 chip
->image
[CS4231_IFACE_CTRL
] &= ~CS4231_AUTOCALIB
;
830 snd_wss_out(chip
, CS4231_IFACE_CTRL
, chip
->image
[CS4231_IFACE_CTRL
]);
832 CS4231_ALT_FEATURE_1
, chip
->image
[CS4231_ALT_FEATURE_1
]);
833 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
834 snd_wss_mce_down(chip
);
836 #ifdef SNDRV_DEBUG_MCE
837 snd_printk(KERN_DEBUG
"init: (3) - afei = 0x%x\n",
838 chip
->image
[CS4231_ALT_FEATURE_1
]);
841 spin_lock_irqsave(&chip
->reg_lock
, flags
);
842 snd_wss_out(chip
, CS4231_ALT_FEATURE_2
,
843 chip
->image
[CS4231_ALT_FEATURE_2
]);
844 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
846 snd_wss_mce_up(chip
);
847 spin_lock_irqsave(&chip
->reg_lock
, flags
);
848 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
,
849 chip
->image
[CS4231_PLAYBK_FORMAT
]);
850 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
851 snd_wss_mce_down(chip
);
853 #ifdef SNDRV_DEBUG_MCE
854 snd_printk(KERN_DEBUG
"init: (4)\n");
857 snd_wss_mce_up(chip
);
858 spin_lock_irqsave(&chip
->reg_lock
, flags
);
859 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
))
860 snd_wss_out(chip
, CS4231_REC_FORMAT
,
861 chip
->image
[CS4231_REC_FORMAT
]);
862 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
863 snd_wss_mce_down(chip
);
864 snd_wss_calibrate_mute(chip
, 0);
866 #ifdef SNDRV_DEBUG_MCE
867 snd_printk(KERN_DEBUG
"init: (5)\n");
871 static int snd_wss_open(struct snd_wss
*chip
, unsigned int mode
)
875 mutex_lock(&chip
->open_mutex
);
876 if ((chip
->mode
& mode
) ||
877 ((chip
->mode
& WSS_MODE_OPEN
) && chip
->single_dma
)) {
878 mutex_unlock(&chip
->open_mutex
);
881 if (chip
->mode
& WSS_MODE_OPEN
) {
883 mutex_unlock(&chip
->open_mutex
);
886 /* ok. now enable and ack CODEC IRQ */
887 spin_lock_irqsave(&chip
->reg_lock
, flags
);
888 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
)) {
889 snd_wss_out(chip
, CS4231_IRQ_STATUS
,
890 CS4231_PLAYBACK_IRQ
|
893 snd_wss_out(chip
, CS4231_IRQ_STATUS
, 0);
895 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
896 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
897 chip
->image
[CS4231_PIN_CTRL
] |= CS4231_IRQ_ENABLE
;
898 snd_wss_out(chip
, CS4231_PIN_CTRL
, chip
->image
[CS4231_PIN_CTRL
]);
899 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
)) {
900 snd_wss_out(chip
, CS4231_IRQ_STATUS
,
901 CS4231_PLAYBACK_IRQ
|
904 snd_wss_out(chip
, CS4231_IRQ_STATUS
, 0);
906 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
909 mutex_unlock(&chip
->open_mutex
);
913 static void snd_wss_close(struct snd_wss
*chip
, unsigned int mode
)
917 mutex_lock(&chip
->open_mutex
);
919 if (chip
->mode
& WSS_MODE_OPEN
) {
920 mutex_unlock(&chip
->open_mutex
);
924 spin_lock_irqsave(&chip
->reg_lock
, flags
);
925 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
))
926 snd_wss_out(chip
, CS4231_IRQ_STATUS
, 0);
927 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
928 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
929 chip
->image
[CS4231_PIN_CTRL
] &= ~CS4231_IRQ_ENABLE
;
930 snd_wss_out(chip
, CS4231_PIN_CTRL
, chip
->image
[CS4231_PIN_CTRL
]);
932 /* now disable record & playback */
934 if (chip
->image
[CS4231_IFACE_CTRL
] & (CS4231_PLAYBACK_ENABLE
| CS4231_PLAYBACK_PIO
|
935 CS4231_RECORD_ENABLE
| CS4231_RECORD_PIO
)) {
936 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
937 snd_wss_mce_up(chip
);
938 spin_lock_irqsave(&chip
->reg_lock
, flags
);
939 chip
->image
[CS4231_IFACE_CTRL
] &= ~(CS4231_PLAYBACK_ENABLE
| CS4231_PLAYBACK_PIO
|
940 CS4231_RECORD_ENABLE
| CS4231_RECORD_PIO
);
941 snd_wss_out(chip
, CS4231_IFACE_CTRL
,
942 chip
->image
[CS4231_IFACE_CTRL
]);
943 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
944 snd_wss_mce_down(chip
);
945 spin_lock_irqsave(&chip
->reg_lock
, flags
);
948 /* clear IRQ again */
949 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
))
950 snd_wss_out(chip
, CS4231_IRQ_STATUS
, 0);
951 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
952 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
953 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
956 mutex_unlock(&chip
->open_mutex
);
963 static int snd_wss_timer_open(struct snd_timer
*timer
)
965 struct snd_wss
*chip
= snd_timer_chip(timer
);
966 snd_wss_open(chip
, WSS_MODE_TIMER
);
970 static int snd_wss_timer_close(struct snd_timer
*timer
)
972 struct snd_wss
*chip
= snd_timer_chip(timer
);
973 snd_wss_close(chip
, WSS_MODE_TIMER
);
977 static struct snd_timer_hardware snd_wss_timer_table
=
979 .flags
= SNDRV_TIMER_HW_AUTO
,
982 .open
= snd_wss_timer_open
,
983 .close
= snd_wss_timer_close
,
984 .c_resolution
= snd_wss_timer_resolution
,
985 .start
= snd_wss_timer_start
,
986 .stop
= snd_wss_timer_stop
,
990 * ok.. exported functions..
993 static int snd_wss_playback_hw_params(struct snd_pcm_substream
*substream
,
994 struct snd_pcm_hw_params
*hw_params
)
996 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
997 unsigned char new_pdfr
;
1000 if ((err
= snd_pcm_lib_malloc_pages(substream
, params_buffer_bytes(hw_params
))) < 0)
1002 new_pdfr
= snd_wss_get_format(chip
, params_format(hw_params
),
1003 params_channels(hw_params
)) |
1004 snd_wss_get_rate(params_rate(hw_params
));
1005 chip
->set_playback_format(chip
, hw_params
, new_pdfr
);
1009 static int snd_wss_playback_hw_free(struct snd_pcm_substream
*substream
)
1011 return snd_pcm_lib_free_pages(substream
);
1014 static int snd_wss_playback_prepare(struct snd_pcm_substream
*substream
)
1016 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1017 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
1018 unsigned long flags
;
1019 unsigned int size
= snd_pcm_lib_buffer_bytes(substream
);
1020 unsigned int count
= snd_pcm_lib_period_bytes(substream
);
1022 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1023 chip
->p_dma_size
= size
;
1024 chip
->image
[CS4231_IFACE_CTRL
] &= ~(CS4231_PLAYBACK_ENABLE
| CS4231_PLAYBACK_PIO
);
1025 snd_dma_program(chip
->dma1
, runtime
->dma_addr
, size
, DMA_MODE_WRITE
| DMA_AUTOINIT
);
1026 count
= snd_wss_get_count(chip
->image
[CS4231_PLAYBK_FORMAT
], count
) - 1;
1027 snd_wss_out(chip
, CS4231_PLY_LWR_CNT
, (unsigned char) count
);
1028 snd_wss_out(chip
, CS4231_PLY_UPR_CNT
, (unsigned char) (count
>> 8));
1029 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1031 snd_wss_debug(chip
);
1036 static int snd_wss_capture_hw_params(struct snd_pcm_substream
*substream
,
1037 struct snd_pcm_hw_params
*hw_params
)
1039 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1040 unsigned char new_cdfr
;
1043 if ((err
= snd_pcm_lib_malloc_pages(substream
, params_buffer_bytes(hw_params
))) < 0)
1045 new_cdfr
= snd_wss_get_format(chip
, params_format(hw_params
),
1046 params_channels(hw_params
)) |
1047 snd_wss_get_rate(params_rate(hw_params
));
1048 chip
->set_capture_format(chip
, hw_params
, new_cdfr
);
1052 static int snd_wss_capture_hw_free(struct snd_pcm_substream
*substream
)
1054 return snd_pcm_lib_free_pages(substream
);
1057 static int snd_wss_capture_prepare(struct snd_pcm_substream
*substream
)
1059 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1060 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
1061 unsigned long flags
;
1062 unsigned int size
= snd_pcm_lib_buffer_bytes(substream
);
1063 unsigned int count
= snd_pcm_lib_period_bytes(substream
);
1065 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1066 chip
->c_dma_size
= size
;
1067 chip
->image
[CS4231_IFACE_CTRL
] &= ~(CS4231_RECORD_ENABLE
| CS4231_RECORD_PIO
);
1068 snd_dma_program(chip
->dma2
, runtime
->dma_addr
, size
, DMA_MODE_READ
| DMA_AUTOINIT
);
1069 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1070 count
= snd_wss_get_count(chip
->image
[CS4231_PLAYBK_FORMAT
],
1073 count
= snd_wss_get_count(chip
->image
[CS4231_REC_FORMAT
],
1076 if (chip
->single_dma
&& chip
->hardware
!= WSS_HW_INTERWAVE
) {
1077 snd_wss_out(chip
, CS4231_PLY_LWR_CNT
, (unsigned char) count
);
1078 snd_wss_out(chip
, CS4231_PLY_UPR_CNT
,
1079 (unsigned char) (count
>> 8));
1081 snd_wss_out(chip
, CS4231_REC_LWR_CNT
, (unsigned char) count
);
1082 snd_wss_out(chip
, CS4231_REC_UPR_CNT
,
1083 (unsigned char) (count
>> 8));
1085 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1089 void snd_wss_overrange(struct snd_wss
*chip
)
1091 unsigned long flags
;
1094 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1095 res
= snd_wss_in(chip
, CS4231_TEST_INIT
);
1096 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1097 if (res
& (0x08 | 0x02)) /* detect overrange only above 0dB; may be user selectable? */
1098 chip
->capture_substream
->runtime
->overrange
++;
1100 EXPORT_SYMBOL(snd_wss_overrange
);
1102 irqreturn_t
snd_wss_interrupt(int irq
, void *dev_id
)
1104 struct snd_wss
*chip
= dev_id
;
1105 unsigned char status
;
1107 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1108 /* pretend it was the only possible irq for AD1848 */
1109 status
= CS4231_PLAYBACK_IRQ
;
1111 status
= snd_wss_in(chip
, CS4231_IRQ_STATUS
);
1112 if (status
& CS4231_TIMER_IRQ
) {
1114 snd_timer_interrupt(chip
->timer
, chip
->timer
->sticks
);
1116 if (chip
->single_dma
&& chip
->hardware
!= WSS_HW_INTERWAVE
) {
1117 if (status
& CS4231_PLAYBACK_IRQ
) {
1118 if (chip
->mode
& WSS_MODE_PLAY
) {
1119 if (chip
->playback_substream
)
1120 snd_pcm_period_elapsed(chip
->playback_substream
);
1122 if (chip
->mode
& WSS_MODE_RECORD
) {
1123 if (chip
->capture_substream
) {
1124 snd_wss_overrange(chip
);
1125 snd_pcm_period_elapsed(chip
->capture_substream
);
1130 if (status
& CS4231_PLAYBACK_IRQ
) {
1131 if (chip
->playback_substream
)
1132 snd_pcm_period_elapsed(chip
->playback_substream
);
1134 if (status
& CS4231_RECORD_IRQ
) {
1135 if (chip
->capture_substream
) {
1136 snd_wss_overrange(chip
);
1137 snd_pcm_period_elapsed(chip
->capture_substream
);
1142 spin_lock(&chip
->reg_lock
);
1143 status
= ~CS4231_ALL_IRQS
| ~status
;
1144 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1145 wss_outb(chip
, CS4231P(STATUS
), 0);
1147 snd_wss_out(chip
, CS4231_IRQ_STATUS
, status
);
1148 spin_unlock(&chip
->reg_lock
);
1151 EXPORT_SYMBOL(snd_wss_interrupt
);
1153 static snd_pcm_uframes_t
snd_wss_playback_pointer(struct snd_pcm_substream
*substream
)
1155 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1158 if (!(chip
->image
[CS4231_IFACE_CTRL
] & CS4231_PLAYBACK_ENABLE
))
1160 ptr
= snd_dma_pointer(chip
->dma1
, chip
->p_dma_size
);
1161 return bytes_to_frames(substream
->runtime
, ptr
);
1164 static snd_pcm_uframes_t
snd_wss_capture_pointer(struct snd_pcm_substream
*substream
)
1166 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1169 if (!(chip
->image
[CS4231_IFACE_CTRL
] & CS4231_RECORD_ENABLE
))
1171 ptr
= snd_dma_pointer(chip
->dma2
, chip
->c_dma_size
);
1172 return bytes_to_frames(substream
->runtime
, ptr
);
1179 static int snd_ad1848_probe(struct snd_wss
*chip
)
1181 unsigned long timeout
= jiffies
+ msecs_to_jiffies(1000);
1182 unsigned long flags
;
1184 unsigned short hardware
= 0;
1188 while (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
) {
1189 if (time_after(jiffies
, timeout
))
1193 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1195 /* set CS423x MODE 1 */
1196 snd_wss_dout(chip
, CS4231_MISC_INFO
, 0);
1198 snd_wss_dout(chip
, CS4231_RIGHT_INPUT
, 0x45); /* 0x55 & ~0x10 */
1199 r
= snd_wss_in(chip
, CS4231_RIGHT_INPUT
);
1201 /* RMGE always high on AD1847 */
1202 if ((r
& ~CS4231_ENABLE_MIC_GAIN
) != 0x45) {
1206 hardware
= WSS_HW_AD1847
;
1208 snd_wss_dout(chip
, CS4231_LEFT_INPUT
, 0xaa);
1209 r
= snd_wss_in(chip
, CS4231_LEFT_INPUT
);
1210 /* L/RMGE always low on AT2320 */
1211 if ((r
| CS4231_ENABLE_MIC_GAIN
) != 0xaa) {
1217 /* clear pending IRQ */
1218 wss_inb(chip
, CS4231P(STATUS
));
1219 wss_outb(chip
, CS4231P(STATUS
), 0);
1222 if ((chip
->hardware
& WSS_HW_TYPE_MASK
) != WSS_HW_DETECT
)
1226 chip
->hardware
= hardware
;
1230 r
= snd_wss_in(chip
, CS4231_MISC_INFO
);
1232 /* set CS423x MODE 2 */
1233 snd_wss_dout(chip
, CS4231_MISC_INFO
, CS4231_MODE2
);
1234 for (i
= 0; i
< 16; i
++) {
1235 if (snd_wss_in(chip
, i
) != snd_wss_in(chip
, 16 + i
)) {
1236 /* we have more than 16 registers: check ID */
1237 if ((r
& 0xf) != 0xa)
1240 * on CMI8330, CS4231_VERSION is volume control and
1243 snd_wss_dout(chip
, CS4231_VERSION
, 0);
1244 r
= snd_wss_in(chip
, CS4231_VERSION
) & 0xe7;
1246 chip
->hardware
= WSS_HW_CMI8330
;
1251 chip
->hardware
= WSS_HW_CS4248
;
1253 chip
->hardware
= WSS_HW_AD1848
;
1255 snd_wss_dout(chip
, CS4231_MISC_INFO
, 0);
1257 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1261 static int snd_wss_probe(struct snd_wss
*chip
)
1263 unsigned long flags
;
1264 int i
, id
, rev
, regnum
;
1268 id
= snd_ad1848_probe(chip
);
1272 hw
= chip
->hardware
;
1273 if ((hw
& WSS_HW_TYPE_MASK
) == WSS_HW_DETECT
) {
1274 for (i
= 0; i
< 50; i
++) {
1276 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
1279 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1280 snd_wss_out(chip
, CS4231_MISC_INFO
,
1282 id
= snd_wss_in(chip
, CS4231_MISC_INFO
) & 0x0f;
1283 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1285 break; /* this is valid value */
1288 snd_printdd("wss: port = 0x%lx, id = 0x%x\n", chip
->port
, id
);
1290 return -ENODEV
; /* no valid device found */
1292 rev
= snd_wss_in(chip
, CS4231_VERSION
) & 0xe7;
1293 snd_printdd("CS4231: VERSION (I25) = 0x%x\n", rev
);
1295 unsigned char tmp
= snd_wss_in(chip
, 23);
1296 snd_wss_out(chip
, 23, ~tmp
);
1297 if (snd_wss_in(chip
, 23) != tmp
)
1298 chip
->hardware
= WSS_HW_AD1845
;
1300 chip
->hardware
= WSS_HW_CS4231
;
1301 } else if (rev
== 0xa0) {
1302 chip
->hardware
= WSS_HW_CS4231A
;
1303 } else if (rev
== 0xa2) {
1304 chip
->hardware
= WSS_HW_CS4232
;
1305 } else if (rev
== 0xb2) {
1306 chip
->hardware
= WSS_HW_CS4232A
;
1307 } else if (rev
== 0x83) {
1308 chip
->hardware
= WSS_HW_CS4236
;
1309 } else if (rev
== 0x03) {
1310 chip
->hardware
= WSS_HW_CS4236B
;
1313 "unknown CS chip with version 0x%x\n", rev
);
1314 return -ENODEV
; /* unknown CS4231 chip? */
1317 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1318 wss_inb(chip
, CS4231P(STATUS
)); /* clear any pendings IRQ */
1319 wss_outb(chip
, CS4231P(STATUS
), 0);
1321 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1323 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
))
1324 chip
->image
[CS4231_MISC_INFO
] = CS4231_MODE2
;
1325 switch (chip
->hardware
) {
1326 case WSS_HW_INTERWAVE
:
1327 chip
->image
[CS4231_MISC_INFO
] = CS4231_IW_MODE3
;
1330 case WSS_HW_CS4236B
:
1331 case WSS_HW_CS4237B
:
1332 case WSS_HW_CS4238B
:
1334 if (hw
== WSS_HW_DETECT3
)
1335 chip
->image
[CS4231_MISC_INFO
] = CS4231_4236_MODE3
;
1337 chip
->hardware
= WSS_HW_CS4236
;
1341 chip
->image
[CS4231_IFACE_CTRL
] =
1342 (chip
->image
[CS4231_IFACE_CTRL
] & ~CS4231_SINGLE_DMA
) |
1343 (chip
->single_dma
? CS4231_SINGLE_DMA
: 0);
1344 if (chip
->hardware
!= WSS_HW_OPTI93X
) {
1345 chip
->image
[CS4231_ALT_FEATURE_1
] = 0x80;
1346 chip
->image
[CS4231_ALT_FEATURE_2
] =
1347 chip
->hardware
== WSS_HW_INTERWAVE
? 0xc2 : 0x01;
1349 /* enable fine grained frequency selection */
1350 if (chip
->hardware
== WSS_HW_AD1845
)
1351 chip
->image
[AD1845_PWR_DOWN
] = 8;
1353 ptr
= (unsigned char *) &chip
->image
;
1354 regnum
= (chip
->hardware
& WSS_HW_AD1848_MASK
) ? 16 : 32;
1355 snd_wss_mce_down(chip
);
1356 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1357 for (i
= 0; i
< regnum
; i
++) /* ok.. fill all registers */
1358 snd_wss_out(chip
, i
, *ptr
++);
1359 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1360 snd_wss_mce_up(chip
);
1361 snd_wss_mce_down(chip
);
1365 /* ok.. try check hardware version for CS4236+ chips */
1366 if ((hw
& WSS_HW_TYPE_MASK
) == WSS_HW_DETECT
) {
1367 if (chip
->hardware
== WSS_HW_CS4236B
) {
1368 rev
= snd_cs4236_ext_in(chip
, CS4236_VERSION
);
1369 snd_cs4236_ext_out(chip
, CS4236_VERSION
, 0xff);
1370 id
= snd_cs4236_ext_in(chip
, CS4236_VERSION
);
1371 snd_cs4236_ext_out(chip
, CS4236_VERSION
, rev
);
1372 snd_printdd("CS4231: ext version; rev = 0x%x, id = 0x%x\n", rev
, id
);
1373 if ((id
& 0x1f) == 0x1d) { /* CS4235 */
1374 chip
->hardware
= WSS_HW_CS4235
;
1381 snd_printk(KERN_WARNING
1382 "unknown CS4235 chip "
1383 "(enhanced version = 0x%x)\n",
1386 } else if ((id
& 0x1f) == 0x0b) { /* CS4236/B */
1392 chip
->hardware
= WSS_HW_CS4236B
;
1395 snd_printk(KERN_WARNING
1396 "unknown CS4236 chip "
1397 "(enhanced version = 0x%x)\n",
1400 } else if ((id
& 0x1f) == 0x08) { /* CS4237B */
1401 chip
->hardware
= WSS_HW_CS4237B
;
1409 snd_printk(KERN_WARNING
1410 "unknown CS4237B chip "
1411 "(enhanced version = 0x%x)\n",
1414 } else if ((id
& 0x1f) == 0x09) { /* CS4238B */
1415 chip
->hardware
= WSS_HW_CS4238B
;
1422 snd_printk(KERN_WARNING
1423 "unknown CS4238B chip "
1424 "(enhanced version = 0x%x)\n",
1427 } else if ((id
& 0x1f) == 0x1e) { /* CS4239 */
1428 chip
->hardware
= WSS_HW_CS4239
;
1435 snd_printk(KERN_WARNING
1436 "unknown CS4239 chip "
1437 "(enhanced version = 0x%x)\n",
1441 snd_printk(KERN_WARNING
1442 "unknown CS4236/CS423xB chip "
1443 "(enhanced version = 0x%x)\n", id
);
1447 return 0; /* all things are ok.. */
1454 static struct snd_pcm_hardware snd_wss_playback
=
1456 .info
= (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
1457 SNDRV_PCM_INFO_MMAP_VALID
|
1458 SNDRV_PCM_INFO_RESUME
|
1459 SNDRV_PCM_INFO_SYNC_START
),
1460 .formats
= (SNDRV_PCM_FMTBIT_MU_LAW
| SNDRV_PCM_FMTBIT_A_LAW
| SNDRV_PCM_FMTBIT_IMA_ADPCM
|
1461 SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S16_BE
),
1462 .rates
= SNDRV_PCM_RATE_KNOT
| SNDRV_PCM_RATE_8000_48000
,
1467 .buffer_bytes_max
= (128*1024),
1468 .period_bytes_min
= 64,
1469 .period_bytes_max
= (128*1024),
1471 .periods_max
= 1024,
1475 static struct snd_pcm_hardware snd_wss_capture
=
1477 .info
= (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
1478 SNDRV_PCM_INFO_MMAP_VALID
|
1479 SNDRV_PCM_INFO_RESUME
|
1480 SNDRV_PCM_INFO_SYNC_START
),
1481 .formats
= (SNDRV_PCM_FMTBIT_MU_LAW
| SNDRV_PCM_FMTBIT_A_LAW
| SNDRV_PCM_FMTBIT_IMA_ADPCM
|
1482 SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S16_BE
),
1483 .rates
= SNDRV_PCM_RATE_KNOT
| SNDRV_PCM_RATE_8000_48000
,
1488 .buffer_bytes_max
= (128*1024),
1489 .period_bytes_min
= 64,
1490 .period_bytes_max
= (128*1024),
1492 .periods_max
= 1024,
1500 static int snd_wss_playback_open(struct snd_pcm_substream
*substream
)
1502 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1503 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
1506 runtime
->hw
= snd_wss_playback
;
1508 /* hardware limitation of older chipsets */
1509 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1510 runtime
->hw
.formats
&= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM
|
1511 SNDRV_PCM_FMTBIT_S16_BE
);
1513 /* hardware bug in InterWave chipset */
1514 if (chip
->hardware
== WSS_HW_INTERWAVE
&& chip
->dma1
> 3)
1515 runtime
->hw
.formats
&= ~SNDRV_PCM_FMTBIT_MU_LAW
;
1517 /* hardware limitation of cheap chips */
1518 if (chip
->hardware
== WSS_HW_CS4235
||
1519 chip
->hardware
== WSS_HW_CS4239
)
1520 runtime
->hw
.formats
= SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
;
1522 snd_pcm_limit_isa_dma_size(chip
->dma1
, &runtime
->hw
.buffer_bytes_max
);
1523 snd_pcm_limit_isa_dma_size(chip
->dma1
, &runtime
->hw
.period_bytes_max
);
1525 if (chip
->claim_dma
) {
1526 if ((err
= chip
->claim_dma(chip
, chip
->dma_private_data
, chip
->dma1
)) < 0)
1530 err
= snd_wss_open(chip
, WSS_MODE_PLAY
);
1532 if (chip
->release_dma
)
1533 chip
->release_dma(chip
, chip
->dma_private_data
, chip
->dma1
);
1534 snd_free_pages(runtime
->dma_area
, runtime
->dma_bytes
);
1537 chip
->playback_substream
= substream
;
1538 snd_pcm_set_sync(substream
);
1539 chip
->rate_constraint(runtime
);
1543 static int snd_wss_capture_open(struct snd_pcm_substream
*substream
)
1545 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1546 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
1549 runtime
->hw
= snd_wss_capture
;
1551 /* hardware limitation of older chipsets */
1552 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1553 runtime
->hw
.formats
&= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM
|
1554 SNDRV_PCM_FMTBIT_S16_BE
);
1556 /* hardware limitation of cheap chips */
1557 if (chip
->hardware
== WSS_HW_CS4235
||
1558 chip
->hardware
== WSS_HW_CS4239
||
1559 chip
->hardware
== WSS_HW_OPTI93X
)
1560 runtime
->hw
.formats
= SNDRV_PCM_FMTBIT_U8
|
1561 SNDRV_PCM_FMTBIT_S16_LE
;
1563 snd_pcm_limit_isa_dma_size(chip
->dma2
, &runtime
->hw
.buffer_bytes_max
);
1564 snd_pcm_limit_isa_dma_size(chip
->dma2
, &runtime
->hw
.period_bytes_max
);
1566 if (chip
->claim_dma
) {
1567 if ((err
= chip
->claim_dma(chip
, chip
->dma_private_data
, chip
->dma2
)) < 0)
1571 err
= snd_wss_open(chip
, WSS_MODE_RECORD
);
1573 if (chip
->release_dma
)
1574 chip
->release_dma(chip
, chip
->dma_private_data
, chip
->dma2
);
1575 snd_free_pages(runtime
->dma_area
, runtime
->dma_bytes
);
1578 chip
->capture_substream
= substream
;
1579 snd_pcm_set_sync(substream
);
1580 chip
->rate_constraint(runtime
);
1584 static int snd_wss_playback_close(struct snd_pcm_substream
*substream
)
1586 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1588 chip
->playback_substream
= NULL
;
1589 snd_wss_close(chip
, WSS_MODE_PLAY
);
1593 static int snd_wss_capture_close(struct snd_pcm_substream
*substream
)
1595 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1597 chip
->capture_substream
= NULL
;
1598 snd_wss_close(chip
, WSS_MODE_RECORD
);
1602 static void snd_wss_thinkpad_twiddle(struct snd_wss
*chip
, int on
)
1606 if (!chip
->thinkpad_flag
)
1609 outb(0x1c, AD1848_THINKPAD_CTL_PORT1
);
1610 tmp
= inb(AD1848_THINKPAD_CTL_PORT2
);
1614 tmp
|= AD1848_THINKPAD_CS4248_ENABLE_BIT
;
1617 tmp
&= ~AD1848_THINKPAD_CS4248_ENABLE_BIT
;
1619 outb(tmp
, AD1848_THINKPAD_CTL_PORT2
);
1624 /* lowlevel suspend callback for CS4231 */
1625 static void snd_wss_suspend(struct snd_wss
*chip
)
1628 unsigned long flags
;
1630 snd_pcm_suspend_all(chip
->pcm
);
1631 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1632 for (reg
= 0; reg
< 32; reg
++)
1633 chip
->image
[reg
] = snd_wss_in(chip
, reg
);
1634 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1635 if (chip
->thinkpad_flag
)
1636 snd_wss_thinkpad_twiddle(chip
, 0);
1639 /* lowlevel resume callback for CS4231 */
1640 static void snd_wss_resume(struct snd_wss
*chip
)
1643 unsigned long flags
;
1646 if (chip
->thinkpad_flag
)
1647 snd_wss_thinkpad_twiddle(chip
, 1);
1648 snd_wss_mce_up(chip
);
1649 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1650 for (reg
= 0; reg
< 32; reg
++) {
1652 case CS4231_VERSION
:
1655 snd_wss_out(chip
, reg
, chip
->image
[reg
]);
1659 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1661 snd_wss_mce_down(chip
);
1663 /* The following is a workaround to avoid freeze after resume on TP600E.
1664 This is the first half of copy of snd_wss_mce_down(), but doesn't
1665 include rescheduling. -- iwai
1667 snd_wss_busy_wait(chip
);
1668 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1669 chip
->mce_bit
&= ~CS4231_MCE
;
1670 timeout
= wss_inb(chip
, CS4231P(REGSEL
));
1671 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| (timeout
& 0x1f));
1672 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1673 if (timeout
== 0x80)
1674 snd_printk(KERN_ERR
"down [0x%lx]: serious init problem "
1675 "- codec still busy\n", chip
->port
);
1676 if ((timeout
& CS4231_MCE
) == 0 ||
1677 !(chip
->hardware
& (WSS_HW_CS4231_MASK
| WSS_HW_CS4232_MASK
))) {
1680 snd_wss_busy_wait(chip
);
1683 #endif /* CONFIG_PM */
1685 int snd_wss_free(struct snd_wss
*chip
)
1687 release_and_free_resource(chip
->res_port
);
1688 release_and_free_resource(chip
->res_cport
);
1689 if (chip
->irq
>= 0) {
1690 disable_irq(chip
->irq
);
1691 if (!(chip
->hwshare
& WSS_HWSHARE_IRQ
))
1692 free_irq(chip
->irq
, (void *) chip
);
1694 if (!(chip
->hwshare
& WSS_HWSHARE_DMA1
) && chip
->dma1
>= 0) {
1695 snd_dma_disable(chip
->dma1
);
1696 free_dma(chip
->dma1
);
1698 if (!(chip
->hwshare
& WSS_HWSHARE_DMA2
) &&
1699 chip
->dma2
>= 0 && chip
->dma2
!= chip
->dma1
) {
1700 snd_dma_disable(chip
->dma2
);
1701 free_dma(chip
->dma2
);
1704 snd_device_free(chip
->card
, chip
->timer
);
1708 EXPORT_SYMBOL(snd_wss_free
);
1710 static int snd_wss_dev_free(struct snd_device
*device
)
1712 struct snd_wss
*chip
= device
->device_data
;
1713 return snd_wss_free(chip
);
1716 const char *snd_wss_chip_id(struct snd_wss
*chip
)
1718 switch (chip
->hardware
) {
1721 case WSS_HW_CS4231A
:
1725 case WSS_HW_CS4232A
:
1731 case WSS_HW_CS4236B
:
1733 case WSS_HW_CS4237B
:
1735 case WSS_HW_CS4238B
:
1739 case WSS_HW_INTERWAVE
:
1740 return "AMD InterWave";
1741 case WSS_HW_OPL3SA2
:
1742 return chip
->card
->shortname
;
1745 case WSS_HW_OPTI93X
:
1753 case WSS_HW_CMI8330
:
1754 return "CMI8330/C3D";
1759 EXPORT_SYMBOL(snd_wss_chip_id
);
1761 static int snd_wss_new(struct snd_card
*card
,
1762 unsigned short hardware
,
1763 unsigned short hwshare
,
1764 struct snd_wss
**rchip
)
1766 struct snd_wss
*chip
;
1769 chip
= kzalloc(sizeof(*chip
), GFP_KERNEL
);
1772 chip
->hardware
= hardware
;
1773 chip
->hwshare
= hwshare
;
1775 spin_lock_init(&chip
->reg_lock
);
1776 mutex_init(&chip
->mce_mutex
);
1777 mutex_init(&chip
->open_mutex
);
1779 chip
->rate_constraint
= snd_wss_xrate
;
1780 chip
->set_playback_format
= snd_wss_playback_format
;
1781 chip
->set_capture_format
= snd_wss_capture_format
;
1782 if (chip
->hardware
== WSS_HW_OPTI93X
)
1783 memcpy(&chip
->image
, &snd_opti93x_original_image
,
1784 sizeof(snd_opti93x_original_image
));
1786 memcpy(&chip
->image
, &snd_wss_original_image
,
1787 sizeof(snd_wss_original_image
));
1788 if (chip
->hardware
& WSS_HW_AD1848_MASK
) {
1789 chip
->image
[CS4231_PIN_CTRL
] = 0;
1790 chip
->image
[CS4231_TEST_INIT
] = 0;
1797 int snd_wss_create(struct snd_card
*card
,
1799 unsigned long cport
,
1800 int irq
, int dma1
, int dma2
,
1801 unsigned short hardware
,
1802 unsigned short hwshare
,
1803 struct snd_wss
**rchip
)
1805 static struct snd_device_ops ops
= {
1806 .dev_free
= snd_wss_dev_free
,
1808 struct snd_wss
*chip
;
1811 err
= snd_wss_new(card
, hardware
, hwshare
, &chip
);
1819 chip
->res_port
= request_region(port
, 4, "WSS");
1820 if (!chip
->res_port
) {
1821 snd_printk(KERN_ERR
"wss: can't grab port 0x%lx\n", port
);
1826 if ((long)cport
>= 0) {
1827 chip
->res_cport
= request_region(cport
, 8, "CS4232 Control");
1828 if (!chip
->res_cport
) {
1830 "wss: can't grab control port 0x%lx\n", cport
);
1835 chip
->cport
= cport
;
1836 if (!(hwshare
& WSS_HWSHARE_IRQ
))
1837 if (request_irq(irq
, snd_wss_interrupt
, IRQF_DISABLED
,
1838 "WSS", (void *) chip
)) {
1839 snd_printk(KERN_ERR
"wss: can't grab IRQ %d\n", irq
);
1844 if (!(hwshare
& WSS_HWSHARE_DMA1
) && request_dma(dma1
, "WSS - 1")) {
1845 snd_printk(KERN_ERR
"wss: can't grab DMA1 %d\n", dma1
);
1850 if (!(hwshare
& WSS_HWSHARE_DMA2
) && dma1
!= dma2
&&
1851 dma2
>= 0 && request_dma(dma2
, "WSS - 2")) {
1852 snd_printk(KERN_ERR
"wss: can't grab DMA2 %d\n", dma2
);
1856 if (dma1
== dma2
|| dma2
< 0) {
1857 chip
->single_dma
= 1;
1858 chip
->dma2
= chip
->dma1
;
1862 if (hardware
== WSS_HW_THINKPAD
) {
1863 chip
->thinkpad_flag
= 1;
1864 chip
->hardware
= WSS_HW_DETECT
; /* reset */
1865 snd_wss_thinkpad_twiddle(chip
, 1);
1869 if (snd_wss_probe(chip
) < 0) {
1876 if (chip
->hardware
& WSS_HW_CS4232_MASK
) {
1877 if (chip
->res_cport
== NULL
)
1878 snd_printk(KERN_ERR
"CS4232 control port features are "
1879 "not accessible\n");
1883 /* Register device */
1884 err
= snd_device_new(card
, SNDRV_DEV_LOWLEVEL
, chip
, &ops
);
1891 /* Power Management */
1892 chip
->suspend
= snd_wss_suspend
;
1893 chip
->resume
= snd_wss_resume
;
1899 EXPORT_SYMBOL(snd_wss_create
);
1901 static struct snd_pcm_ops snd_wss_playback_ops
= {
1902 .open
= snd_wss_playback_open
,
1903 .close
= snd_wss_playback_close
,
1904 .ioctl
= snd_pcm_lib_ioctl
,
1905 .hw_params
= snd_wss_playback_hw_params
,
1906 .hw_free
= snd_wss_playback_hw_free
,
1907 .prepare
= snd_wss_playback_prepare
,
1908 .trigger
= snd_wss_trigger
,
1909 .pointer
= snd_wss_playback_pointer
,
1912 static struct snd_pcm_ops snd_wss_capture_ops
= {
1913 .open
= snd_wss_capture_open
,
1914 .close
= snd_wss_capture_close
,
1915 .ioctl
= snd_pcm_lib_ioctl
,
1916 .hw_params
= snd_wss_capture_hw_params
,
1917 .hw_free
= snd_wss_capture_hw_free
,
1918 .prepare
= snd_wss_capture_prepare
,
1919 .trigger
= snd_wss_trigger
,
1920 .pointer
= snd_wss_capture_pointer
,
1923 int snd_wss_pcm(struct snd_wss
*chip
, int device
, struct snd_pcm
**rpcm
)
1925 struct snd_pcm
*pcm
;
1928 err
= snd_pcm_new(chip
->card
, "WSS", device
, 1, 1, &pcm
);
1932 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_PLAYBACK
, &snd_wss_playback_ops
);
1933 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_CAPTURE
, &snd_wss_capture_ops
);
1936 pcm
->private_data
= chip
;
1937 pcm
->info_flags
= 0;
1938 if (chip
->single_dma
)
1939 pcm
->info_flags
|= SNDRV_PCM_INFO_HALF_DUPLEX
;
1940 if (chip
->hardware
!= WSS_HW_INTERWAVE
)
1941 pcm
->info_flags
|= SNDRV_PCM_INFO_JOINT_DUPLEX
;
1942 strcpy(pcm
->name
, snd_wss_chip_id(chip
));
1944 snd_pcm_lib_preallocate_pages_for_all(pcm
, SNDRV_DMA_TYPE_DEV
,
1946 64*1024, chip
->dma1
> 3 || chip
->dma2
> 3 ? 128*1024 : 64*1024);
1953 EXPORT_SYMBOL(snd_wss_pcm
);
1955 static void snd_wss_timer_free(struct snd_timer
*timer
)
1957 struct snd_wss
*chip
= timer
->private_data
;
1961 int snd_wss_timer(struct snd_wss
*chip
, int device
, struct snd_timer
**rtimer
)
1963 struct snd_timer
*timer
;
1964 struct snd_timer_id tid
;
1967 /* Timer initialization */
1968 tid
.dev_class
= SNDRV_TIMER_CLASS_CARD
;
1969 tid
.dev_sclass
= SNDRV_TIMER_SCLASS_NONE
;
1970 tid
.card
= chip
->card
->number
;
1971 tid
.device
= device
;
1973 if ((err
= snd_timer_new(chip
->card
, "CS4231", &tid
, &timer
)) < 0)
1975 strcpy(timer
->name
, snd_wss_chip_id(chip
));
1976 timer
->private_data
= chip
;
1977 timer
->private_free
= snd_wss_timer_free
;
1978 timer
->hw
= snd_wss_timer_table
;
1979 chip
->timer
= timer
;
1984 EXPORT_SYMBOL(snd_wss_timer
);
1990 static int snd_wss_info_mux(struct snd_kcontrol
*kcontrol
,
1991 struct snd_ctl_elem_info
*uinfo
)
1993 static char *texts
[4] = {
1994 "Line", "Aux", "Mic", "Mix"
1996 static char *opl3sa_texts
[4] = {
1997 "Line", "CD", "Mic", "Mix"
1999 static char *gusmax_texts
[4] = {
2000 "Line", "Synth", "Mic", "Mix"
2002 char **ptexts
= texts
;
2003 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2005 if (snd_BUG_ON(!chip
->card
))
2007 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
2009 uinfo
->value
.enumerated
.items
= 4;
2010 if (uinfo
->value
.enumerated
.item
> 3)
2011 uinfo
->value
.enumerated
.item
= 3;
2012 if (!strcmp(chip
->card
->driver
, "GUS MAX"))
2013 ptexts
= gusmax_texts
;
2014 switch (chip
->hardware
) {
2015 case WSS_HW_INTERWAVE
:
2016 ptexts
= gusmax_texts
;
2018 case WSS_HW_OPL3SA2
:
2019 ptexts
= opl3sa_texts
;
2022 strcpy(uinfo
->value
.enumerated
.name
, ptexts
[uinfo
->value
.enumerated
.item
]);
2026 static int snd_wss_get_mux(struct snd_kcontrol
*kcontrol
,
2027 struct snd_ctl_elem_value
*ucontrol
)
2029 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2030 unsigned long flags
;
2032 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2033 ucontrol
->value
.enumerated
.item
[0] = (chip
->image
[CS4231_LEFT_INPUT
] & CS4231_MIXS_ALL
) >> 6;
2034 ucontrol
->value
.enumerated
.item
[1] = (chip
->image
[CS4231_RIGHT_INPUT
] & CS4231_MIXS_ALL
) >> 6;
2035 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2039 static int snd_wss_put_mux(struct snd_kcontrol
*kcontrol
,
2040 struct snd_ctl_elem_value
*ucontrol
)
2042 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2043 unsigned long flags
;
2044 unsigned short left
, right
;
2047 if (ucontrol
->value
.enumerated
.item
[0] > 3 ||
2048 ucontrol
->value
.enumerated
.item
[1] > 3)
2050 left
= ucontrol
->value
.enumerated
.item
[0] << 6;
2051 right
= ucontrol
->value
.enumerated
.item
[1] << 6;
2052 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2053 left
= (chip
->image
[CS4231_LEFT_INPUT
] & ~CS4231_MIXS_ALL
) | left
;
2054 right
= (chip
->image
[CS4231_RIGHT_INPUT
] & ~CS4231_MIXS_ALL
) | right
;
2055 change
= left
!= chip
->image
[CS4231_LEFT_INPUT
] ||
2056 right
!= chip
->image
[CS4231_RIGHT_INPUT
];
2057 snd_wss_out(chip
, CS4231_LEFT_INPUT
, left
);
2058 snd_wss_out(chip
, CS4231_RIGHT_INPUT
, right
);
2059 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2063 int snd_wss_info_single(struct snd_kcontrol
*kcontrol
,
2064 struct snd_ctl_elem_info
*uinfo
)
2066 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
2068 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
2070 uinfo
->value
.integer
.min
= 0;
2071 uinfo
->value
.integer
.max
= mask
;
2074 EXPORT_SYMBOL(snd_wss_info_single
);
2076 int snd_wss_get_single(struct snd_kcontrol
*kcontrol
,
2077 struct snd_ctl_elem_value
*ucontrol
)
2079 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2080 unsigned long flags
;
2081 int reg
= kcontrol
->private_value
& 0xff;
2082 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
2083 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
2084 int invert
= (kcontrol
->private_value
>> 24) & 0xff;
2086 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2087 ucontrol
->value
.integer
.value
[0] = (chip
->image
[reg
] >> shift
) & mask
;
2088 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2090 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
2093 EXPORT_SYMBOL(snd_wss_get_single
);
2095 int snd_wss_put_single(struct snd_kcontrol
*kcontrol
,
2096 struct snd_ctl_elem_value
*ucontrol
)
2098 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2099 unsigned long flags
;
2100 int reg
= kcontrol
->private_value
& 0xff;
2101 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
2102 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
2103 int invert
= (kcontrol
->private_value
>> 24) & 0xff;
2107 val
= (ucontrol
->value
.integer
.value
[0] & mask
);
2111 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2112 val
= (chip
->image
[reg
] & ~(mask
<< shift
)) | val
;
2113 change
= val
!= chip
->image
[reg
];
2114 snd_wss_out(chip
, reg
, val
);
2115 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2118 EXPORT_SYMBOL(snd_wss_put_single
);
2120 int snd_wss_info_double(struct snd_kcontrol
*kcontrol
,
2121 struct snd_ctl_elem_info
*uinfo
)
2123 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
2125 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
2127 uinfo
->value
.integer
.min
= 0;
2128 uinfo
->value
.integer
.max
= mask
;
2131 EXPORT_SYMBOL(snd_wss_info_double
);
2133 int snd_wss_get_double(struct snd_kcontrol
*kcontrol
,
2134 struct snd_ctl_elem_value
*ucontrol
)
2136 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2137 unsigned long flags
;
2138 int left_reg
= kcontrol
->private_value
& 0xff;
2139 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
2140 int shift_left
= (kcontrol
->private_value
>> 16) & 0x07;
2141 int shift_right
= (kcontrol
->private_value
>> 19) & 0x07;
2142 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
2143 int invert
= (kcontrol
->private_value
>> 22) & 1;
2145 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2146 ucontrol
->value
.integer
.value
[0] = (chip
->image
[left_reg
] >> shift_left
) & mask
;
2147 ucontrol
->value
.integer
.value
[1] = (chip
->image
[right_reg
] >> shift_right
) & mask
;
2148 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2150 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
2151 ucontrol
->value
.integer
.value
[1] = mask
- ucontrol
->value
.integer
.value
[1];
2155 EXPORT_SYMBOL(snd_wss_get_double
);
2157 int snd_wss_put_double(struct snd_kcontrol
*kcontrol
,
2158 struct snd_ctl_elem_value
*ucontrol
)
2160 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2161 unsigned long flags
;
2162 int left_reg
= kcontrol
->private_value
& 0xff;
2163 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
2164 int shift_left
= (kcontrol
->private_value
>> 16) & 0x07;
2165 int shift_right
= (kcontrol
->private_value
>> 19) & 0x07;
2166 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
2167 int invert
= (kcontrol
->private_value
>> 22) & 1;
2169 unsigned short val1
, val2
;
2171 val1
= ucontrol
->value
.integer
.value
[0] & mask
;
2172 val2
= ucontrol
->value
.integer
.value
[1] & mask
;
2177 val1
<<= shift_left
;
2178 val2
<<= shift_right
;
2179 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2180 if (left_reg
!= right_reg
) {
2181 val1
= (chip
->image
[left_reg
] & ~(mask
<< shift_left
)) | val1
;
2182 val2
= (chip
->image
[right_reg
] & ~(mask
<< shift_right
)) | val2
;
2183 change
= val1
!= chip
->image
[left_reg
] ||
2184 val2
!= chip
->image
[right_reg
];
2185 snd_wss_out(chip
, left_reg
, val1
);
2186 snd_wss_out(chip
, right_reg
, val2
);
2188 mask
= (mask
<< shift_left
) | (mask
<< shift_right
);
2189 val1
= (chip
->image
[left_reg
] & ~mask
) | val1
| val2
;
2190 change
= val1
!= chip
->image
[left_reg
];
2191 snd_wss_out(chip
, left_reg
, val1
);
2193 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2196 EXPORT_SYMBOL(snd_wss_put_double
);
2198 static const DECLARE_TLV_DB_SCALE(db_scale_6bit
, -9450, 150, 0);
2199 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max
, -3450, 150, 0);
2200 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain
, 0, 150, 0);
2202 static struct snd_kcontrol_new snd_ad1848_controls
[] = {
2203 WSS_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
,
2205 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
2206 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 0, 0, 63, 1,
2208 WSS_DOUBLE("Aux Playback Switch", 0,
2209 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 7, 7, 1, 1),
2210 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
2211 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 0, 0, 31, 1,
2212 db_scale_5bit_12db_max
),
2213 WSS_DOUBLE("Aux Playback Switch", 1,
2214 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 7, 7, 1, 1),
2215 WSS_DOUBLE_TLV("Aux Playback Volume", 1,
2216 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 0, 0, 31, 1,
2217 db_scale_5bit_12db_max
),
2218 WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
,
2219 0, 0, 15, 0, db_scale_rec_gain
),
2221 .name
= "Capture Source",
2222 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2223 .info
= snd_wss_info_mux
,
2224 .get
= snd_wss_get_mux
,
2225 .put
= snd_wss_put_mux
,
2227 WSS_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK
, 0, 1, 0),
2228 WSS_SINGLE_TLV("Loopback Capture Volume", 0, CS4231_LOOPBACK
, 1, 63, 0,
2232 static struct snd_kcontrol_new snd_wss_controls
[] = {
2233 WSS_DOUBLE("PCM Playback Switch", 0,
2234 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 7, 7, 1, 1),
2235 WSS_DOUBLE("PCM Playback Volume", 0,
2236 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 0, 0, 63, 1),
2237 WSS_DOUBLE("Line Playback Switch", 0,
2238 CS4231_LEFT_LINE_IN
, CS4231_RIGHT_LINE_IN
, 7, 7, 1, 1),
2239 WSS_DOUBLE("Line Playback Volume", 0,
2240 CS4231_LEFT_LINE_IN
, CS4231_RIGHT_LINE_IN
, 0, 0, 31, 1),
2241 WSS_DOUBLE("Aux Playback Switch", 0,
2242 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 7, 7, 1, 1),
2243 WSS_DOUBLE("Aux Playback Volume", 0,
2244 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 0, 0, 31, 1),
2245 WSS_DOUBLE("Aux Playback Switch", 1,
2246 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 7, 7, 1, 1),
2247 WSS_DOUBLE("Aux Playback Volume", 1,
2248 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 0, 0, 31, 1),
2249 WSS_SINGLE("Mono Playback Switch", 0,
2250 CS4231_MONO_CTRL
, 7, 1, 1),
2251 WSS_SINGLE("Mono Playback Volume", 0,
2252 CS4231_MONO_CTRL
, 0, 15, 1),
2253 WSS_SINGLE("Mono Output Playback Switch", 0,
2254 CS4231_MONO_CTRL
, 6, 1, 1),
2255 WSS_SINGLE("Mono Output Playback Bypass", 0,
2256 CS4231_MONO_CTRL
, 5, 1, 0),
2257 WSS_DOUBLE("Capture Volume", 0,
2258 CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
, 0, 0, 15, 0),
2260 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2261 .name
= "Capture Source",
2262 .info
= snd_wss_info_mux
,
2263 .get
= snd_wss_get_mux
,
2264 .put
= snd_wss_put_mux
,
2266 WSS_DOUBLE("Mic Boost", 0,
2267 CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
, 5, 5, 1, 0),
2268 WSS_SINGLE("Loopback Capture Switch", 0,
2269 CS4231_LOOPBACK
, 0, 1, 0),
2270 WSS_SINGLE("Loopback Capture Volume", 0,
2271 CS4231_LOOPBACK
, 2, 63, 1)
2274 static struct snd_kcontrol_new snd_opti93x_controls
[] = {
2275 WSS_DOUBLE("Master Playback Switch", 0,
2276 OPTi93X_OUT_LEFT
, OPTi93X_OUT_RIGHT
, 7, 7, 1, 1),
2277 WSS_DOUBLE("Master Playback Volume", 0,
2278 OPTi93X_OUT_LEFT
, OPTi93X_OUT_RIGHT
, 1, 1, 31, 1),
2279 WSS_DOUBLE("PCM Playback Switch", 0,
2280 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 7, 7, 1, 1),
2281 WSS_DOUBLE("PCM Playback Volume", 0,
2282 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 0, 0, 31, 1),
2283 WSS_DOUBLE("FM Playback Switch", 0,
2284 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 7, 7, 1, 1),
2285 WSS_DOUBLE("FM Playback Volume", 0,
2286 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 1, 1, 15, 1),
2287 WSS_DOUBLE("Line Playback Switch", 0,
2288 CS4231_LEFT_LINE_IN
, CS4231_RIGHT_LINE_IN
, 7, 7, 1, 1),
2289 WSS_DOUBLE("Line Playback Volume", 0,
2290 CS4231_LEFT_LINE_IN
, CS4231_RIGHT_LINE_IN
, 0, 0, 15, 1),
2291 WSS_DOUBLE("Mic Playback Switch", 0,
2292 OPTi93X_MIC_LEFT_INPUT
, OPTi93X_MIC_RIGHT_INPUT
, 7, 7, 1, 1),
2293 WSS_DOUBLE("Mic Playback Volume", 0,
2294 OPTi93X_MIC_LEFT_INPUT
, OPTi93X_MIC_RIGHT_INPUT
, 1, 1, 15, 1),
2295 WSS_DOUBLE("Mic Boost", 0,
2296 CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
, 5, 5, 1, 0),
2297 WSS_DOUBLE("CD Playback Switch", 0,
2298 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 7, 7, 1, 1),
2299 WSS_DOUBLE("CD Playback Volume", 0,
2300 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 1, 1, 15, 1),
2301 WSS_DOUBLE("Aux Playback Switch", 0,
2302 OPTi931_AUX_LEFT_INPUT
, OPTi931_AUX_RIGHT_INPUT
, 7, 7, 1, 1),
2303 WSS_DOUBLE("Aux Playback Volume", 0,
2304 OPTi931_AUX_LEFT_INPUT
, OPTi931_AUX_RIGHT_INPUT
, 1, 1, 15, 1),
2305 WSS_DOUBLE("Capture Volume", 0,
2306 CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
, 0, 0, 15, 0),
2308 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2309 .name
= "Capture Source",
2310 .info
= snd_wss_info_mux
,
2311 .get
= snd_wss_get_mux
,
2312 .put
= snd_wss_put_mux
,
2316 int snd_wss_mixer(struct snd_wss
*chip
)
2318 struct snd_card
*card
;
2322 if (snd_BUG_ON(!chip
|| !chip
->pcm
))
2327 strcpy(card
->mixername
, chip
->pcm
->name
);
2329 if (chip
->hardware
== WSS_HW_OPTI93X
)
2330 for (idx
= 0; idx
< ARRAY_SIZE(snd_opti93x_controls
); idx
++) {
2331 err
= snd_ctl_add(card
,
2332 snd_ctl_new1(&snd_opti93x_controls
[idx
],
2337 else if (chip
->hardware
& WSS_HW_AD1848_MASK
)
2338 for (idx
= 0; idx
< ARRAY_SIZE(snd_ad1848_controls
); idx
++) {
2339 err
= snd_ctl_add(card
,
2340 snd_ctl_new1(&snd_ad1848_controls
[idx
],
2346 for (idx
= 0; idx
< ARRAY_SIZE(snd_wss_controls
); idx
++) {
2347 err
= snd_ctl_add(card
,
2348 snd_ctl_new1(&snd_wss_controls
[idx
],
2355 EXPORT_SYMBOL(snd_wss_mixer
);
2357 const struct snd_pcm_ops
*snd_wss_get_pcm_ops(int direction
)
2359 return direction
== SNDRV_PCM_STREAM_PLAYBACK
?
2360 &snd_wss_playback_ops
: &snd_wss_capture_ops
;
2362 EXPORT_SYMBOL(snd_wss_get_pcm_ops
);
2368 static int __init
alsa_wss_init(void)
2373 static void __exit
alsa_wss_exit(void)
2377 module_init(alsa_wss_init
);
2378 module_exit(alsa_wss_exit
);