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_outm(struct snd_wss
*chip
, unsigned char reg
,
185 unsigned char mask
, unsigned char value
)
187 unsigned char tmp
= (chip
->image
[reg
] & mask
) | value
;
190 #ifdef CONFIG_SND_DEBUG
191 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
192 snd_printk("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg
, value
);
194 chip
->image
[reg
] = tmp
;
195 if (!chip
->calibrate_mute
) {
196 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| reg
);
198 wss_outb(chip
, CS4231P(REG
), tmp
);
203 static void snd_wss_dout(struct snd_wss
*chip
, unsigned char reg
,
209 timeout
> 0 && (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
);
212 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| reg
);
213 wss_outb(chip
, CS4231P(REG
), value
);
217 void snd_wss_out(struct snd_wss
*chip
, unsigned char reg
, unsigned char value
)
220 #ifdef CONFIG_SND_DEBUG
221 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
222 snd_printk("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg
, value
);
224 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| reg
);
225 wss_outb(chip
, CS4231P(REG
), value
);
226 chip
->image
[reg
] = value
;
228 snd_printdd("codec out - reg 0x%x = 0x%x\n",
229 chip
->mce_bit
| reg
, value
);
231 EXPORT_SYMBOL(snd_wss_out
);
233 unsigned char snd_wss_in(struct snd_wss
*chip
, unsigned char reg
)
236 #ifdef CONFIG_SND_DEBUG
237 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
238 snd_printk("in: auto calibration time out - reg = 0x%x\n", reg
);
240 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| reg
);
242 return wss_inb(chip
, CS4231P(REG
));
244 EXPORT_SYMBOL(snd_wss_in
);
246 void snd_cs4236_ext_out(struct snd_wss
*chip
, unsigned char reg
,
249 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| 0x17);
250 wss_outb(chip
, CS4231P(REG
),
251 reg
| (chip
->image
[CS4236_EXT_REG
] & 0x01));
252 wss_outb(chip
, CS4231P(REG
), val
);
253 chip
->eimage
[CS4236_REG(reg
)] = val
;
255 printk("ext out : reg = 0x%x, val = 0x%x\n", reg
, val
);
258 EXPORT_SYMBOL(snd_cs4236_ext_out
);
260 unsigned char snd_cs4236_ext_in(struct snd_wss
*chip
, unsigned char reg
)
262 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| 0x17);
263 wss_outb(chip
, CS4231P(REG
),
264 reg
| (chip
->image
[CS4236_EXT_REG
] & 0x01));
266 return wss_inb(chip
, CS4231P(REG
));
270 res
= wss_inb(chip
, CS4231P(REG
));
271 printk("ext in : reg = 0x%x, val = 0x%x\n", reg
, res
);
276 EXPORT_SYMBOL(snd_cs4236_ext_in
);
280 static void snd_wss_debug(struct snd_wss
*chip
)
283 "CS4231 REGS: INDEX = 0x%02x "
284 " STATUS = 0x%02x\n",
285 wss_inb(chip
, CS4231P(REGSEL
)),
286 wss_inb(chip
, CS4231P(STATUS
)));
288 " 0x00: left input = 0x%02x "
289 " 0x10: alt 1 (CFIG 2) = 0x%02x\n",
290 snd_wss_in(chip
, 0x00),
291 snd_wss_in(chip
, 0x10));
293 " 0x01: right input = 0x%02x "
294 " 0x11: alt 2 (CFIG 3) = 0x%02x\n",
295 snd_wss_in(chip
, 0x01),
296 snd_wss_in(chip
, 0x11));
298 " 0x02: GF1 left input = 0x%02x "
299 " 0x12: left line in = 0x%02x\n",
300 snd_wss_in(chip
, 0x02),
301 snd_wss_in(chip
, 0x12));
303 " 0x03: GF1 right input = 0x%02x "
304 " 0x13: right line in = 0x%02x\n",
305 snd_wss_in(chip
, 0x03),
306 snd_wss_in(chip
, 0x13));
308 " 0x04: CD left input = 0x%02x "
309 " 0x14: timer low = 0x%02x\n",
310 snd_wss_in(chip
, 0x04),
311 snd_wss_in(chip
, 0x14));
313 " 0x05: CD right input = 0x%02x "
314 " 0x15: timer high = 0x%02x\n",
315 snd_wss_in(chip
, 0x05),
316 snd_wss_in(chip
, 0x15));
318 " 0x06: left output = 0x%02x "
319 " 0x16: left MIC (PnP) = 0x%02x\n",
320 snd_wss_in(chip
, 0x06),
321 snd_wss_in(chip
, 0x16));
323 " 0x07: right output = 0x%02x "
324 " 0x17: right MIC (PnP) = 0x%02x\n",
325 snd_wss_in(chip
, 0x07),
326 snd_wss_in(chip
, 0x17));
328 " 0x08: playback format = 0x%02x "
329 " 0x18: IRQ status = 0x%02x\n",
330 snd_wss_in(chip
, 0x08),
331 snd_wss_in(chip
, 0x18));
333 " 0x09: iface (CFIG 1) = 0x%02x "
334 " 0x19: left line out = 0x%02x\n",
335 snd_wss_in(chip
, 0x09),
336 snd_wss_in(chip
, 0x19));
338 " 0x0a: pin control = 0x%02x "
339 " 0x1a: mono control = 0x%02x\n",
340 snd_wss_in(chip
, 0x0a),
341 snd_wss_in(chip
, 0x1a));
343 " 0x0b: init & status = 0x%02x "
344 " 0x1b: right line out = 0x%02x\n",
345 snd_wss_in(chip
, 0x0b),
346 snd_wss_in(chip
, 0x1b));
348 " 0x0c: revision & mode = 0x%02x "
349 " 0x1c: record format = 0x%02x\n",
350 snd_wss_in(chip
, 0x0c),
351 snd_wss_in(chip
, 0x1c));
353 " 0x0d: loopback = 0x%02x "
354 " 0x1d: var freq (PnP) = 0x%02x\n",
355 snd_wss_in(chip
, 0x0d),
356 snd_wss_in(chip
, 0x1d));
358 " 0x0e: ply upr count = 0x%02x "
359 " 0x1e: ply lwr count = 0x%02x\n",
360 snd_wss_in(chip
, 0x0e),
361 snd_wss_in(chip
, 0x1e));
363 " 0x0f: rec upr count = 0x%02x "
364 " 0x1f: rec lwr count = 0x%02x\n",
365 snd_wss_in(chip
, 0x0f),
366 snd_wss_in(chip
, 0x1f));
372 * CS4231 detection / MCE routines
375 static void snd_wss_busy_wait(struct snd_wss
*chip
)
379 /* huh.. looks like this sequence is proper for CS4231A chip (GUS MAX) */
380 for (timeout
= 5; timeout
> 0; timeout
--)
381 wss_inb(chip
, CS4231P(REGSEL
));
382 /* end of cleanup sequence */
383 for (timeout
= 25000;
384 timeout
> 0 && (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
);
389 void snd_wss_mce_up(struct snd_wss
*chip
)
395 #ifdef CONFIG_SND_DEBUG
396 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
397 snd_printk("mce_up - auto calibration time out (0)\n");
399 spin_lock_irqsave(&chip
->reg_lock
, flags
);
400 chip
->mce_bit
|= CS4231_MCE
;
401 timeout
= wss_inb(chip
, CS4231P(REGSEL
));
403 snd_printk("mce_up [0x%lx]: serious init problem - codec still busy\n", chip
->port
);
404 if (!(timeout
& CS4231_MCE
))
405 wss_outb(chip
, CS4231P(REGSEL
),
406 chip
->mce_bit
| (timeout
& 0x1f));
407 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
409 EXPORT_SYMBOL(snd_wss_mce_up
);
411 void snd_wss_mce_down(struct snd_wss
*chip
)
414 unsigned long end_time
;
416 int hw_mask
= WSS_HW_CS4231_MASK
| WSS_HW_CS4232_MASK
| WSS_HW_AD1848
;
418 snd_wss_busy_wait(chip
);
420 #ifdef CONFIG_SND_DEBUG
421 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
422 snd_printk("mce_down [0x%lx] - auto calibration time out (0)\n", (long)CS4231P(REGSEL
));
424 spin_lock_irqsave(&chip
->reg_lock
, flags
);
425 chip
->mce_bit
&= ~CS4231_MCE
;
426 timeout
= wss_inb(chip
, CS4231P(REGSEL
));
427 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| (timeout
& 0x1f));
428 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
430 snd_printk("mce_down [0x%lx]: serious init problem - codec still busy\n", chip
->port
);
431 if ((timeout
& CS4231_MCE
) == 0 || !(chip
->hardware
& hw_mask
))
435 * Wait for (possible -- during init auto-calibration may not be set)
436 * calibration process to start. Needs upto 5 sample periods on AD1848
437 * which at the slowest possible rate of 5.5125 kHz means 907 us.
441 snd_printdd("(1) jiffies = %lu\n", jiffies
);
443 /* check condition up to 250 ms */
444 end_time
= jiffies
+ msecs_to_jiffies(250);
445 while (snd_wss_in(chip
, CS4231_TEST_INIT
) &
446 CS4231_CALIB_IN_PROGRESS
) {
448 if (time_after(jiffies
, end_time
)) {
449 snd_printk(KERN_ERR
"mce_down - "
450 "auto calibration time out (2)\n");
456 snd_printdd("(2) jiffies = %lu\n", jiffies
);
458 /* check condition up to 100 ms */
459 end_time
= jiffies
+ msecs_to_jiffies(100);
460 while (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
) {
461 if (time_after(jiffies
, end_time
)) {
462 snd_printk(KERN_ERR
"mce_down - auto calibration time out (3)\n");
468 snd_printdd("(3) jiffies = %lu\n", jiffies
);
469 snd_printd("mce_down - exit = 0x%x\n", wss_inb(chip
, CS4231P(REGSEL
)));
471 EXPORT_SYMBOL(snd_wss_mce_down
);
473 static unsigned int snd_wss_get_count(unsigned char format
, unsigned int size
)
475 switch (format
& 0xe0) {
476 case CS4231_LINEAR_16
:
477 case CS4231_LINEAR_16_BIG
:
480 case CS4231_ADPCM_16
:
483 if (format
& CS4231_STEREO
)
488 static int snd_wss_trigger(struct snd_pcm_substream
*substream
,
491 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
494 struct snd_pcm_substream
*s
;
498 case SNDRV_PCM_TRIGGER_START
:
499 case SNDRV_PCM_TRIGGER_RESUME
:
501 case SNDRV_PCM_TRIGGER_STOP
:
502 case SNDRV_PCM_TRIGGER_SUSPEND
:
509 snd_pcm_group_for_each_entry(s
, substream
) {
510 if (s
== chip
->playback_substream
) {
511 what
|= CS4231_PLAYBACK_ENABLE
;
512 snd_pcm_trigger_done(s
, substream
);
513 } else if (s
== chip
->capture_substream
) {
514 what
|= CS4231_RECORD_ENABLE
;
515 snd_pcm_trigger_done(s
, substream
);
518 spin_lock(&chip
->reg_lock
);
520 chip
->image
[CS4231_IFACE_CTRL
] |= what
;
522 chip
->trigger(chip
, what
, 1);
524 chip
->image
[CS4231_IFACE_CTRL
] &= ~what
;
526 chip
->trigger(chip
, what
, 0);
528 snd_wss_out(chip
, CS4231_IFACE_CTRL
, chip
->image
[CS4231_IFACE_CTRL
]);
529 spin_unlock(&chip
->reg_lock
);
540 static unsigned char snd_wss_get_rate(unsigned int rate
)
544 for (i
= 0; i
< ARRAY_SIZE(rates
); i
++)
545 if (rate
== rates
[i
])
548 return freq_bits
[ARRAY_SIZE(rates
) - 1];
551 static unsigned char snd_wss_get_format(struct snd_wss
*chip
,
555 unsigned char rformat
;
557 rformat
= CS4231_LINEAR_8
;
559 case SNDRV_PCM_FORMAT_MU_LAW
: rformat
= CS4231_ULAW_8
; break;
560 case SNDRV_PCM_FORMAT_A_LAW
: rformat
= CS4231_ALAW_8
; break;
561 case SNDRV_PCM_FORMAT_S16_LE
: rformat
= CS4231_LINEAR_16
; break;
562 case SNDRV_PCM_FORMAT_S16_BE
: rformat
= CS4231_LINEAR_16_BIG
; break;
563 case SNDRV_PCM_FORMAT_IMA_ADPCM
: rformat
= CS4231_ADPCM_16
; break;
566 rformat
|= CS4231_STEREO
;
568 snd_printk("get_format: 0x%x (mode=0x%x)\n", format
, mode
);
573 static void snd_wss_calibrate_mute(struct snd_wss
*chip
, int mute
)
577 mute
= mute
? 0x80 : 0;
578 spin_lock_irqsave(&chip
->reg_lock
, flags
);
579 if (chip
->calibrate_mute
== mute
) {
580 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
584 snd_wss_dout(chip
, CS4231_LEFT_INPUT
,
585 chip
->image
[CS4231_LEFT_INPUT
]);
586 snd_wss_dout(chip
, CS4231_RIGHT_INPUT
,
587 chip
->image
[CS4231_RIGHT_INPUT
]);
588 snd_wss_dout(chip
, CS4231_LOOPBACK
,
589 chip
->image
[CS4231_LOOPBACK
]);
591 snd_wss_dout(chip
, CS4231_AUX1_LEFT_INPUT
,
592 mute
| chip
->image
[CS4231_AUX1_LEFT_INPUT
]);
593 snd_wss_dout(chip
, CS4231_AUX1_RIGHT_INPUT
,
594 mute
| chip
->image
[CS4231_AUX1_RIGHT_INPUT
]);
595 snd_wss_dout(chip
, CS4231_AUX2_LEFT_INPUT
,
596 mute
| chip
->image
[CS4231_AUX2_LEFT_INPUT
]);
597 snd_wss_dout(chip
, CS4231_AUX2_RIGHT_INPUT
,
598 mute
| chip
->image
[CS4231_AUX2_RIGHT_INPUT
]);
599 snd_wss_dout(chip
, CS4231_LEFT_OUTPUT
,
600 mute
| chip
->image
[CS4231_LEFT_OUTPUT
]);
601 snd_wss_dout(chip
, CS4231_RIGHT_OUTPUT
,
602 mute
| chip
->image
[CS4231_RIGHT_OUTPUT
]);
603 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
)) {
604 snd_wss_dout(chip
, CS4231_LEFT_LINE_IN
,
605 mute
| chip
->image
[CS4231_LEFT_LINE_IN
]);
606 snd_wss_dout(chip
, CS4231_RIGHT_LINE_IN
,
607 mute
| chip
->image
[CS4231_RIGHT_LINE_IN
]);
608 snd_wss_dout(chip
, CS4231_MONO_CTRL
,
609 mute
? 0xc0 : chip
->image
[CS4231_MONO_CTRL
]);
611 if (chip
->hardware
== WSS_HW_INTERWAVE
) {
612 snd_wss_dout(chip
, CS4231_LEFT_MIC_INPUT
,
613 mute
| chip
->image
[CS4231_LEFT_MIC_INPUT
]);
614 snd_wss_dout(chip
, CS4231_RIGHT_MIC_INPUT
,
615 mute
| chip
->image
[CS4231_RIGHT_MIC_INPUT
]);
616 snd_wss_dout(chip
, CS4231_LINE_LEFT_OUTPUT
,
617 mute
| chip
->image
[CS4231_LINE_LEFT_OUTPUT
]);
618 snd_wss_dout(chip
, CS4231_LINE_RIGHT_OUTPUT
,
619 mute
| chip
->image
[CS4231_LINE_RIGHT_OUTPUT
]);
621 chip
->calibrate_mute
= mute
;
622 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
625 static void snd_wss_playback_format(struct snd_wss
*chip
,
626 struct snd_pcm_hw_params
*params
,
632 mutex_lock(&chip
->mce_mutex
);
633 snd_wss_calibrate_mute(chip
, 1);
634 if (chip
->hardware
== WSS_HW_CS4231A
||
635 (chip
->hardware
& WSS_HW_CS4232_MASK
)) {
636 spin_lock_irqsave(&chip
->reg_lock
, flags
);
637 if ((chip
->image
[CS4231_PLAYBK_FORMAT
] & 0x0f) == (pdfr
& 0x0f)) { /* rate is same? */
638 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
639 chip
->image
[CS4231_ALT_FEATURE_1
] | 0x10);
640 chip
->image
[CS4231_PLAYBK_FORMAT
] = pdfr
;
641 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
,
642 chip
->image
[CS4231_PLAYBK_FORMAT
]);
643 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
644 chip
->image
[CS4231_ALT_FEATURE_1
] &= ~0x10);
645 udelay(100); /* Fixes audible clicks at least on GUS MAX */
648 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
649 } else if (chip
->hardware
== WSS_HW_AD1845
) {
650 unsigned rate
= params_rate(params
);
653 * Program the AD1845 correctly for the playback stream.
654 * Note that we do NOT need to toggle the MCE bit because
655 * the PLAYBACK_ENABLE bit of the Interface Configuration
658 * NOTE: We seem to need to write to the MSB before the LSB
659 * to get the correct sample frequency.
661 spin_lock_irqsave(&chip
->reg_lock
, flags
);
662 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
, (pdfr
& 0xf0));
663 snd_wss_out(chip
, AD1845_UPR_FREQ_SEL
, (rate
>> 8) & 0xff);
664 snd_wss_out(chip
, AD1845_LWR_FREQ_SEL
, rate
& 0xff);
666 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
669 snd_wss_mce_up(chip
);
670 spin_lock_irqsave(&chip
->reg_lock
, flags
);
671 if (chip
->hardware
!= WSS_HW_INTERWAVE
&& !chip
->single_dma
) {
672 if (chip
->image
[CS4231_IFACE_CTRL
] & CS4231_RECORD_ENABLE
)
673 pdfr
= (pdfr
& 0xf0) |
674 (chip
->image
[CS4231_REC_FORMAT
] & 0x0f);
676 chip
->image
[CS4231_PLAYBK_FORMAT
] = pdfr
;
678 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
, pdfr
);
679 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
680 if (chip
->hardware
== WSS_HW_OPL3SA2
)
681 udelay(100); /* this seems to help */
682 snd_wss_mce_down(chip
);
684 snd_wss_calibrate_mute(chip
, 0);
685 mutex_unlock(&chip
->mce_mutex
);
688 static void snd_wss_capture_format(struct snd_wss
*chip
,
689 struct snd_pcm_hw_params
*params
,
695 mutex_lock(&chip
->mce_mutex
);
696 snd_wss_calibrate_mute(chip
, 1);
697 if (chip
->hardware
== WSS_HW_CS4231A
||
698 (chip
->hardware
& WSS_HW_CS4232_MASK
)) {
699 spin_lock_irqsave(&chip
->reg_lock
, flags
);
700 if ((chip
->image
[CS4231_PLAYBK_FORMAT
] & 0x0f) == (cdfr
& 0x0f) || /* rate is same? */
701 (chip
->image
[CS4231_IFACE_CTRL
] & CS4231_PLAYBACK_ENABLE
)) {
702 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
703 chip
->image
[CS4231_ALT_FEATURE_1
] | 0x20);
704 snd_wss_out(chip
, CS4231_REC_FORMAT
,
705 chip
->image
[CS4231_REC_FORMAT
] = cdfr
);
706 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
707 chip
->image
[CS4231_ALT_FEATURE_1
] &= ~0x20);
710 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
711 } else if (chip
->hardware
== WSS_HW_AD1845
) {
712 unsigned rate
= params_rate(params
);
715 * Program the AD1845 correctly for the capture stream.
716 * Note that we do NOT need to toggle the MCE bit because
717 * the PLAYBACK_ENABLE bit of the Interface Configuration
720 * NOTE: We seem to need to write to the MSB before the LSB
721 * to get the correct sample frequency.
723 spin_lock_irqsave(&chip
->reg_lock
, flags
);
724 snd_wss_out(chip
, CS4231_REC_FORMAT
, (cdfr
& 0xf0));
725 snd_wss_out(chip
, AD1845_UPR_FREQ_SEL
, (rate
>> 8) & 0xff);
726 snd_wss_out(chip
, AD1845_LWR_FREQ_SEL
, rate
& 0xff);
728 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
731 snd_wss_mce_up(chip
);
732 spin_lock_irqsave(&chip
->reg_lock
, flags
);
733 if (chip
->hardware
!= WSS_HW_INTERWAVE
&&
734 !(chip
->image
[CS4231_IFACE_CTRL
] & CS4231_PLAYBACK_ENABLE
)) {
735 if (chip
->single_dma
)
736 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
, cdfr
);
738 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
,
739 (chip
->image
[CS4231_PLAYBK_FORMAT
] & 0xf0) |
741 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
742 snd_wss_mce_down(chip
);
743 snd_wss_mce_up(chip
);
744 spin_lock_irqsave(&chip
->reg_lock
, flags
);
746 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
747 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
, cdfr
);
749 snd_wss_out(chip
, CS4231_REC_FORMAT
, cdfr
);
750 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
751 snd_wss_mce_down(chip
);
753 snd_wss_calibrate_mute(chip
, 0);
754 mutex_unlock(&chip
->mce_mutex
);
761 static unsigned long snd_wss_timer_resolution(struct snd_timer
*timer
)
763 struct snd_wss
*chip
= snd_timer_chip(timer
);
764 if (chip
->hardware
& WSS_HW_CS4236B_MASK
)
767 return chip
->image
[CS4231_PLAYBK_FORMAT
] & 1 ? 9969 : 9920;
770 static int snd_wss_timer_start(struct snd_timer
*timer
)
774 struct snd_wss
*chip
= snd_timer_chip(timer
);
775 spin_lock_irqsave(&chip
->reg_lock
, flags
);
776 ticks
= timer
->sticks
;
777 if ((chip
->image
[CS4231_ALT_FEATURE_1
] & CS4231_TIMER_ENABLE
) == 0 ||
778 (unsigned char)(ticks
>> 8) != chip
->image
[CS4231_TIMER_HIGH
] ||
779 (unsigned char)ticks
!= chip
->image
[CS4231_TIMER_LOW
]) {
780 chip
->image
[CS4231_TIMER_HIGH
] = (unsigned char) (ticks
>> 8);
781 snd_wss_out(chip
, CS4231_TIMER_HIGH
,
782 chip
->image
[CS4231_TIMER_HIGH
]);
783 chip
->image
[CS4231_TIMER_LOW
] = (unsigned char) ticks
;
784 snd_wss_out(chip
, CS4231_TIMER_LOW
,
785 chip
->image
[CS4231_TIMER_LOW
]);
786 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
787 chip
->image
[CS4231_ALT_FEATURE_1
] |
788 CS4231_TIMER_ENABLE
);
790 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
794 static int snd_wss_timer_stop(struct snd_timer
*timer
)
797 struct snd_wss
*chip
= snd_timer_chip(timer
);
798 spin_lock_irqsave(&chip
->reg_lock
, flags
);
799 chip
->image
[CS4231_ALT_FEATURE_1
] &= ~CS4231_TIMER_ENABLE
;
800 snd_wss_out(chip
, CS4231_ALT_FEATURE_1
,
801 chip
->image
[CS4231_ALT_FEATURE_1
]);
802 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
806 static void snd_wss_init(struct snd_wss
*chip
)
810 snd_wss_mce_down(chip
);
812 #ifdef SNDRV_DEBUG_MCE
813 snd_printk("init: (1)\n");
815 snd_wss_mce_up(chip
);
816 spin_lock_irqsave(&chip
->reg_lock
, flags
);
817 chip
->image
[CS4231_IFACE_CTRL
] &= ~(CS4231_PLAYBACK_ENABLE
|
818 CS4231_PLAYBACK_PIO
|
819 CS4231_RECORD_ENABLE
|
822 chip
->image
[CS4231_IFACE_CTRL
] |= CS4231_AUTOCALIB
;
823 snd_wss_out(chip
, CS4231_IFACE_CTRL
, chip
->image
[CS4231_IFACE_CTRL
]);
824 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
825 snd_wss_mce_down(chip
);
827 #ifdef SNDRV_DEBUG_MCE
828 snd_printk("init: (2)\n");
831 snd_wss_mce_up(chip
);
832 spin_lock_irqsave(&chip
->reg_lock
, flags
);
834 CS4231_ALT_FEATURE_1
, chip
->image
[CS4231_ALT_FEATURE_1
]);
835 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
836 snd_wss_mce_down(chip
);
838 #ifdef SNDRV_DEBUG_MCE
839 snd_printk("init: (3) - afei = 0x%x\n",
840 chip
->image
[CS4231_ALT_FEATURE_1
]);
843 spin_lock_irqsave(&chip
->reg_lock
, flags
);
844 snd_wss_out(chip
, CS4231_ALT_FEATURE_2
,
845 chip
->image
[CS4231_ALT_FEATURE_2
]);
846 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
848 snd_wss_mce_up(chip
);
849 spin_lock_irqsave(&chip
->reg_lock
, flags
);
850 snd_wss_out(chip
, CS4231_PLAYBK_FORMAT
,
851 chip
->image
[CS4231_PLAYBK_FORMAT
]);
852 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
853 snd_wss_mce_down(chip
);
855 #ifdef SNDRV_DEBUG_MCE
856 snd_printk("init: (4)\n");
859 snd_wss_mce_up(chip
);
860 spin_lock_irqsave(&chip
->reg_lock
, flags
);
861 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
))
862 snd_wss_out(chip
, CS4231_REC_FORMAT
,
863 chip
->image
[CS4231_REC_FORMAT
]);
864 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
865 snd_wss_mce_down(chip
);
867 #ifdef SNDRV_DEBUG_MCE
868 snd_printk("init: (5)\n");
872 static int snd_wss_open(struct snd_wss
*chip
, unsigned int mode
)
876 mutex_lock(&chip
->open_mutex
);
877 if ((chip
->mode
& mode
) ||
878 ((chip
->mode
& WSS_MODE_OPEN
) && chip
->single_dma
)) {
879 mutex_unlock(&chip
->open_mutex
);
882 if (chip
->mode
& WSS_MODE_OPEN
) {
884 mutex_unlock(&chip
->open_mutex
);
887 /* ok. now enable and ack CODEC IRQ */
888 spin_lock_irqsave(&chip
->reg_lock
, flags
);
889 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
)) {
890 snd_wss_out(chip
, CS4231_IRQ_STATUS
,
891 CS4231_PLAYBACK_IRQ
|
894 snd_wss_out(chip
, CS4231_IRQ_STATUS
, 0);
896 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
897 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
898 chip
->image
[CS4231_PIN_CTRL
] |= CS4231_IRQ_ENABLE
;
899 snd_wss_out(chip
, CS4231_PIN_CTRL
, chip
->image
[CS4231_PIN_CTRL
]);
900 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
)) {
901 snd_wss_out(chip
, CS4231_IRQ_STATUS
,
902 CS4231_PLAYBACK_IRQ
|
905 snd_wss_out(chip
, CS4231_IRQ_STATUS
, 0);
907 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
910 mutex_unlock(&chip
->open_mutex
);
914 static void snd_wss_close(struct snd_wss
*chip
, unsigned int mode
)
918 mutex_lock(&chip
->open_mutex
);
920 if (chip
->mode
& WSS_MODE_OPEN
) {
921 mutex_unlock(&chip
->open_mutex
);
924 snd_wss_calibrate_mute(chip
, 1);
927 spin_lock_irqsave(&chip
->reg_lock
, flags
);
928 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
))
929 snd_wss_out(chip
, CS4231_IRQ_STATUS
, 0);
930 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
931 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
932 chip
->image
[CS4231_PIN_CTRL
] &= ~CS4231_IRQ_ENABLE
;
933 snd_wss_out(chip
, CS4231_PIN_CTRL
, chip
->image
[CS4231_PIN_CTRL
]);
935 /* now disable record & playback */
937 if (chip
->image
[CS4231_IFACE_CTRL
] & (CS4231_PLAYBACK_ENABLE
| CS4231_PLAYBACK_PIO
|
938 CS4231_RECORD_ENABLE
| CS4231_RECORD_PIO
)) {
939 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
940 snd_wss_mce_up(chip
);
941 spin_lock_irqsave(&chip
->reg_lock
, flags
);
942 chip
->image
[CS4231_IFACE_CTRL
] &= ~(CS4231_PLAYBACK_ENABLE
| CS4231_PLAYBACK_PIO
|
943 CS4231_RECORD_ENABLE
| CS4231_RECORD_PIO
);
944 snd_wss_out(chip
, CS4231_IFACE_CTRL
,
945 chip
->image
[CS4231_IFACE_CTRL
]);
946 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
947 snd_wss_mce_down(chip
);
948 spin_lock_irqsave(&chip
->reg_lock
, flags
);
951 /* clear IRQ again */
952 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
))
953 snd_wss_out(chip
, CS4231_IRQ_STATUS
, 0);
954 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
955 wss_outb(chip
, CS4231P(STATUS
), 0); /* clear IRQ */
956 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
958 snd_wss_calibrate_mute(chip
, 0);
961 mutex_unlock(&chip
->open_mutex
);
968 static int snd_wss_timer_open(struct snd_timer
*timer
)
970 struct snd_wss
*chip
= snd_timer_chip(timer
);
971 snd_wss_open(chip
, WSS_MODE_TIMER
);
975 static int snd_wss_timer_close(struct snd_timer
*timer
)
977 struct snd_wss
*chip
= snd_timer_chip(timer
);
978 snd_wss_close(chip
, WSS_MODE_TIMER
);
982 static struct snd_timer_hardware snd_wss_timer_table
=
984 .flags
= SNDRV_TIMER_HW_AUTO
,
987 .open
= snd_wss_timer_open
,
988 .close
= snd_wss_timer_close
,
989 .c_resolution
= snd_wss_timer_resolution
,
990 .start
= snd_wss_timer_start
,
991 .stop
= snd_wss_timer_stop
,
995 * ok.. exported functions..
998 static int snd_wss_playback_hw_params(struct snd_pcm_substream
*substream
,
999 struct snd_pcm_hw_params
*hw_params
)
1001 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1002 unsigned char new_pdfr
;
1005 if ((err
= snd_pcm_lib_malloc_pages(substream
, params_buffer_bytes(hw_params
))) < 0)
1007 new_pdfr
= snd_wss_get_format(chip
, params_format(hw_params
),
1008 params_channels(hw_params
)) |
1009 snd_wss_get_rate(params_rate(hw_params
));
1010 chip
->set_playback_format(chip
, hw_params
, new_pdfr
);
1014 static int snd_wss_playback_hw_free(struct snd_pcm_substream
*substream
)
1016 return snd_pcm_lib_free_pages(substream
);
1019 static int snd_wss_playback_prepare(struct snd_pcm_substream
*substream
)
1021 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1022 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
1023 unsigned long flags
;
1024 unsigned int size
= snd_pcm_lib_buffer_bytes(substream
);
1025 unsigned int count
= snd_pcm_lib_period_bytes(substream
);
1027 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1028 chip
->p_dma_size
= size
;
1029 chip
->image
[CS4231_IFACE_CTRL
] &= ~(CS4231_PLAYBACK_ENABLE
| CS4231_PLAYBACK_PIO
);
1030 snd_dma_program(chip
->dma1
, runtime
->dma_addr
, size
, DMA_MODE_WRITE
| DMA_AUTOINIT
);
1031 count
= snd_wss_get_count(chip
->image
[CS4231_PLAYBK_FORMAT
], count
) - 1;
1032 snd_wss_out(chip
, CS4231_PLY_LWR_CNT
, (unsigned char) count
);
1033 snd_wss_out(chip
, CS4231_PLY_UPR_CNT
, (unsigned char) (count
>> 8));
1034 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1036 snd_wss_debug(chip
);
1041 static int snd_wss_capture_hw_params(struct snd_pcm_substream
*substream
,
1042 struct snd_pcm_hw_params
*hw_params
)
1044 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1045 unsigned char new_cdfr
;
1048 if ((err
= snd_pcm_lib_malloc_pages(substream
, params_buffer_bytes(hw_params
))) < 0)
1050 new_cdfr
= snd_wss_get_format(chip
, params_format(hw_params
),
1051 params_channels(hw_params
)) |
1052 snd_wss_get_rate(params_rate(hw_params
));
1053 chip
->set_capture_format(chip
, hw_params
, new_cdfr
);
1057 static int snd_wss_capture_hw_free(struct snd_pcm_substream
*substream
)
1059 return snd_pcm_lib_free_pages(substream
);
1062 static int snd_wss_capture_prepare(struct snd_pcm_substream
*substream
)
1064 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1065 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
1066 unsigned long flags
;
1067 unsigned int size
= snd_pcm_lib_buffer_bytes(substream
);
1068 unsigned int count
= snd_pcm_lib_period_bytes(substream
);
1070 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1071 chip
->c_dma_size
= size
;
1072 chip
->image
[CS4231_IFACE_CTRL
] &= ~(CS4231_RECORD_ENABLE
| CS4231_RECORD_PIO
);
1073 snd_dma_program(chip
->dma2
, runtime
->dma_addr
, size
, DMA_MODE_READ
| DMA_AUTOINIT
);
1074 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1075 count
= snd_wss_get_count(chip
->image
[CS4231_PLAYBK_FORMAT
],
1078 count
= snd_wss_get_count(chip
->image
[CS4231_REC_FORMAT
],
1081 if (chip
->single_dma
&& chip
->hardware
!= WSS_HW_INTERWAVE
) {
1082 snd_wss_out(chip
, CS4231_PLY_LWR_CNT
, (unsigned char) count
);
1083 snd_wss_out(chip
, CS4231_PLY_UPR_CNT
,
1084 (unsigned char) (count
>> 8));
1086 snd_wss_out(chip
, CS4231_REC_LWR_CNT
, (unsigned char) count
);
1087 snd_wss_out(chip
, CS4231_REC_UPR_CNT
,
1088 (unsigned char) (count
>> 8));
1090 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1094 void snd_wss_overrange(struct snd_wss
*chip
)
1096 unsigned long flags
;
1099 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1100 res
= snd_wss_in(chip
, CS4231_TEST_INIT
);
1101 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1102 if (res
& (0x08 | 0x02)) /* detect overrange only above 0dB; may be user selectable? */
1103 chip
->capture_substream
->runtime
->overrange
++;
1105 EXPORT_SYMBOL(snd_wss_overrange
);
1107 irqreturn_t
snd_wss_interrupt(int irq
, void *dev_id
)
1109 struct snd_wss
*chip
= dev_id
;
1110 unsigned char status
;
1112 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1113 /* pretend it was the only possible irq for AD1848 */
1114 status
= CS4231_PLAYBACK_IRQ
;
1116 status
= snd_wss_in(chip
, CS4231_IRQ_STATUS
);
1117 if (status
& CS4231_TIMER_IRQ
) {
1119 snd_timer_interrupt(chip
->timer
, chip
->timer
->sticks
);
1121 if (chip
->single_dma
&& chip
->hardware
!= WSS_HW_INTERWAVE
) {
1122 if (status
& CS4231_PLAYBACK_IRQ
) {
1123 if (chip
->mode
& WSS_MODE_PLAY
) {
1124 if (chip
->playback_substream
)
1125 snd_pcm_period_elapsed(chip
->playback_substream
);
1127 if (chip
->mode
& WSS_MODE_RECORD
) {
1128 if (chip
->capture_substream
) {
1129 snd_wss_overrange(chip
);
1130 snd_pcm_period_elapsed(chip
->capture_substream
);
1135 if (status
& CS4231_PLAYBACK_IRQ
) {
1136 if (chip
->playback_substream
)
1137 snd_pcm_period_elapsed(chip
->playback_substream
);
1139 if (status
& CS4231_RECORD_IRQ
) {
1140 if (chip
->capture_substream
) {
1141 snd_wss_overrange(chip
);
1142 snd_pcm_period_elapsed(chip
->capture_substream
);
1147 spin_lock(&chip
->reg_lock
);
1148 status
= ~CS4231_ALL_IRQS
| ~status
;
1149 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1150 wss_outb(chip
, CS4231P(STATUS
), 0);
1152 snd_wss_outm(chip
, CS4231_IRQ_STATUS
, status
, 0);
1153 spin_unlock(&chip
->reg_lock
);
1156 EXPORT_SYMBOL(snd_wss_interrupt
);
1158 static snd_pcm_uframes_t
snd_wss_playback_pointer(struct snd_pcm_substream
*substream
)
1160 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1163 if (!(chip
->image
[CS4231_IFACE_CTRL
] & CS4231_PLAYBACK_ENABLE
))
1165 ptr
= snd_dma_pointer(chip
->dma1
, chip
->p_dma_size
);
1166 return bytes_to_frames(substream
->runtime
, ptr
);
1169 static snd_pcm_uframes_t
snd_wss_capture_pointer(struct snd_pcm_substream
*substream
)
1171 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1174 if (!(chip
->image
[CS4231_IFACE_CTRL
] & CS4231_RECORD_ENABLE
))
1176 ptr
= snd_dma_pointer(chip
->dma2
, chip
->c_dma_size
);
1177 return bytes_to_frames(substream
->runtime
, ptr
);
1184 static int snd_ad1848_probe(struct snd_wss
*chip
)
1186 unsigned long timeout
= jiffies
+ msecs_to_jiffies(1000);
1187 unsigned long flags
;
1189 unsigned short hardware
= 0;
1193 while (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
) {
1194 if (time_after(jiffies
, timeout
))
1198 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1200 /* set CS423x MODE 1 */
1201 snd_wss_dout(chip
, CS4231_MISC_INFO
, 0);
1203 snd_wss_dout(chip
, CS4231_RIGHT_INPUT
, 0x45); /* 0x55 & ~0x10 */
1204 r
= snd_wss_in(chip
, CS4231_RIGHT_INPUT
);
1206 /* RMGE always high on AD1847 */
1207 if ((r
& ~CS4231_ENABLE_MIC_GAIN
) != 0x45) {
1211 hardware
= WSS_HW_AD1847
;
1213 snd_wss_dout(chip
, CS4231_LEFT_INPUT
, 0xaa);
1214 r
= snd_wss_in(chip
, CS4231_LEFT_INPUT
);
1215 /* L/RMGE always low on AT2320 */
1216 if ((r
| CS4231_ENABLE_MIC_GAIN
) != 0xaa) {
1222 /* clear pending IRQ */
1223 wss_inb(chip
, CS4231P(STATUS
));
1224 wss_outb(chip
, CS4231P(STATUS
), 0);
1227 if ((chip
->hardware
& WSS_HW_TYPE_MASK
) != WSS_HW_DETECT
)
1231 chip
->hardware
= hardware
;
1235 r
= snd_wss_in(chip
, CS4231_MISC_INFO
);
1237 /* set CS423x MODE 2 */
1238 snd_wss_dout(chip
, CS4231_MISC_INFO
, CS4231_MODE2
);
1239 for (i
= 0; i
< 16; i
++) {
1240 if (snd_wss_in(chip
, i
) != snd_wss_in(chip
, 16 + i
)) {
1241 /* we have more than 16 registers: check ID */
1242 if ((r
& 0xf) != 0xa)
1245 * on CMI8330, CS4231_VERSION is volume control and
1248 snd_wss_dout(chip
, CS4231_VERSION
, 0);
1249 r
= snd_wss_in(chip
, CS4231_VERSION
) & 0xe7;
1251 chip
->hardware
= WSS_HW_CMI8330
;
1256 chip
->hardware
= WSS_HW_CS4248
;
1258 chip
->hardware
= WSS_HW_AD1848
;
1260 snd_wss_dout(chip
, CS4231_MISC_INFO
, 0);
1262 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1266 static int snd_wss_probe(struct snd_wss
*chip
)
1268 unsigned long flags
;
1269 int i
, id
, rev
, regnum
;
1273 id
= snd_ad1848_probe(chip
);
1277 hw
= chip
->hardware
;
1278 if ((hw
& WSS_HW_TYPE_MASK
) == WSS_HW_DETECT
) {
1279 for (i
= 0; i
< 50; i
++) {
1281 if (wss_inb(chip
, CS4231P(REGSEL
)) & CS4231_INIT
)
1284 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1285 snd_wss_out(chip
, CS4231_MISC_INFO
,
1287 id
= snd_wss_in(chip
, CS4231_MISC_INFO
) & 0x0f;
1288 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1290 break; /* this is valid value */
1293 snd_printdd("wss: port = 0x%lx, id = 0x%x\n", chip
->port
, id
);
1295 return -ENODEV
; /* no valid device found */
1297 rev
= snd_wss_in(chip
, CS4231_VERSION
) & 0xe7;
1298 snd_printdd("CS4231: VERSION (I25) = 0x%x\n", rev
);
1300 unsigned char tmp
= snd_wss_in(chip
, 23);
1301 snd_wss_out(chip
, 23, ~tmp
);
1302 if (snd_wss_in(chip
, 23) != tmp
)
1303 chip
->hardware
= WSS_HW_AD1845
;
1305 chip
->hardware
= WSS_HW_CS4231
;
1306 } else if (rev
== 0xa0) {
1307 chip
->hardware
= WSS_HW_CS4231A
;
1308 } else if (rev
== 0xa2) {
1309 chip
->hardware
= WSS_HW_CS4232
;
1310 } else if (rev
== 0xb2) {
1311 chip
->hardware
= WSS_HW_CS4232A
;
1312 } else if (rev
== 0x83) {
1313 chip
->hardware
= WSS_HW_CS4236
;
1314 } else if (rev
== 0x03) {
1315 chip
->hardware
= WSS_HW_CS4236B
;
1317 snd_printk("unknown CS chip with version 0x%x\n", rev
);
1318 return -ENODEV
; /* unknown CS4231 chip? */
1321 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1322 wss_inb(chip
, CS4231P(STATUS
)); /* clear any pendings IRQ */
1323 wss_outb(chip
, CS4231P(STATUS
), 0);
1325 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1327 if (!(chip
->hardware
& WSS_HW_AD1848_MASK
))
1328 chip
->image
[CS4231_MISC_INFO
] = CS4231_MODE2
;
1329 switch (chip
->hardware
) {
1330 case WSS_HW_INTERWAVE
:
1331 chip
->image
[CS4231_MISC_INFO
] = CS4231_IW_MODE3
;
1334 case WSS_HW_CS4236B
:
1335 case WSS_HW_CS4237B
:
1336 case WSS_HW_CS4238B
:
1338 if (hw
== WSS_HW_DETECT3
)
1339 chip
->image
[CS4231_MISC_INFO
] = CS4231_4236_MODE3
;
1341 chip
->hardware
= WSS_HW_CS4236
;
1345 chip
->image
[CS4231_IFACE_CTRL
] =
1346 (chip
->image
[CS4231_IFACE_CTRL
] & ~CS4231_SINGLE_DMA
) |
1347 (chip
->single_dma
? CS4231_SINGLE_DMA
: 0);
1348 if (chip
->hardware
!= WSS_HW_OPTI93X
) {
1349 chip
->image
[CS4231_ALT_FEATURE_1
] = 0x80;
1350 chip
->image
[CS4231_ALT_FEATURE_2
] =
1351 chip
->hardware
== WSS_HW_INTERWAVE
? 0xc2 : 0x01;
1353 /* enable fine grained frequency selection */
1354 if (chip
->hardware
== WSS_HW_AD1845
)
1355 chip
->image
[AD1845_PWR_DOWN
] = 8;
1357 ptr
= (unsigned char *) &chip
->image
;
1358 regnum
= (chip
->hardware
& WSS_HW_AD1848_MASK
) ? 16 : 32;
1359 snd_wss_mce_down(chip
);
1360 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1361 for (i
= 0; i
< regnum
; i
++) /* ok.. fill all registers */
1362 snd_wss_out(chip
, i
, *ptr
++);
1363 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1364 snd_wss_mce_up(chip
);
1365 snd_wss_mce_down(chip
);
1369 /* ok.. try check hardware version for CS4236+ chips */
1370 if ((hw
& WSS_HW_TYPE_MASK
) == WSS_HW_DETECT
) {
1371 if (chip
->hardware
== WSS_HW_CS4236B
) {
1372 rev
= snd_cs4236_ext_in(chip
, CS4236_VERSION
);
1373 snd_cs4236_ext_out(chip
, CS4236_VERSION
, 0xff);
1374 id
= snd_cs4236_ext_in(chip
, CS4236_VERSION
);
1375 snd_cs4236_ext_out(chip
, CS4236_VERSION
, rev
);
1376 snd_printdd("CS4231: ext version; rev = 0x%x, id = 0x%x\n", rev
, id
);
1377 if ((id
& 0x1f) == 0x1d) { /* CS4235 */
1378 chip
->hardware
= WSS_HW_CS4235
;
1385 snd_printk("unknown CS4235 chip (enhanced version = 0x%x)\n", id
);
1387 } else if ((id
& 0x1f) == 0x0b) { /* CS4236/B */
1393 chip
->hardware
= WSS_HW_CS4236B
;
1396 snd_printk("unknown CS4236 chip (enhanced version = 0x%x)\n", id
);
1398 } else if ((id
& 0x1f) == 0x08) { /* CS4237B */
1399 chip
->hardware
= WSS_HW_CS4237B
;
1407 snd_printk("unknown CS4237B chip (enhanced version = 0x%x)\n", id
);
1409 } else if ((id
& 0x1f) == 0x09) { /* CS4238B */
1410 chip
->hardware
= WSS_HW_CS4238B
;
1417 snd_printk("unknown CS4238B chip (enhanced version = 0x%x)\n", id
);
1419 } else if ((id
& 0x1f) == 0x1e) { /* CS4239 */
1420 chip
->hardware
= WSS_HW_CS4239
;
1427 snd_printk("unknown CS4239 chip (enhanced version = 0x%x)\n", id
);
1430 snd_printk("unknown CS4236/CS423xB chip (enhanced version = 0x%x)\n", id
);
1434 return 0; /* all things are ok.. */
1441 static struct snd_pcm_hardware snd_wss_playback
=
1443 .info
= (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
1444 SNDRV_PCM_INFO_MMAP_VALID
|
1445 SNDRV_PCM_INFO_RESUME
|
1446 SNDRV_PCM_INFO_SYNC_START
),
1447 .formats
= (SNDRV_PCM_FMTBIT_MU_LAW
| SNDRV_PCM_FMTBIT_A_LAW
| SNDRV_PCM_FMTBIT_IMA_ADPCM
|
1448 SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S16_BE
),
1449 .rates
= SNDRV_PCM_RATE_KNOT
| SNDRV_PCM_RATE_8000_48000
,
1454 .buffer_bytes_max
= (128*1024),
1455 .period_bytes_min
= 64,
1456 .period_bytes_max
= (128*1024),
1458 .periods_max
= 1024,
1462 static struct snd_pcm_hardware snd_wss_capture
=
1464 .info
= (SNDRV_PCM_INFO_MMAP
| SNDRV_PCM_INFO_INTERLEAVED
|
1465 SNDRV_PCM_INFO_MMAP_VALID
|
1466 SNDRV_PCM_INFO_RESUME
|
1467 SNDRV_PCM_INFO_SYNC_START
),
1468 .formats
= (SNDRV_PCM_FMTBIT_MU_LAW
| SNDRV_PCM_FMTBIT_A_LAW
| SNDRV_PCM_FMTBIT_IMA_ADPCM
|
1469 SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S16_BE
),
1470 .rates
= SNDRV_PCM_RATE_KNOT
| SNDRV_PCM_RATE_8000_48000
,
1475 .buffer_bytes_max
= (128*1024),
1476 .period_bytes_min
= 64,
1477 .period_bytes_max
= (128*1024),
1479 .periods_max
= 1024,
1487 static int snd_wss_playback_open(struct snd_pcm_substream
*substream
)
1489 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1490 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
1493 runtime
->hw
= snd_wss_playback
;
1495 /* hardware limitation of older chipsets */
1496 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1497 runtime
->hw
.formats
&= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM
|
1498 SNDRV_PCM_FMTBIT_S16_BE
);
1500 /* hardware bug in InterWave chipset */
1501 if (chip
->hardware
== WSS_HW_INTERWAVE
&& chip
->dma1
> 3)
1502 runtime
->hw
.formats
&= ~SNDRV_PCM_FMTBIT_MU_LAW
;
1504 /* hardware limitation of cheap chips */
1505 if (chip
->hardware
== WSS_HW_CS4235
||
1506 chip
->hardware
== WSS_HW_CS4239
)
1507 runtime
->hw
.formats
= SNDRV_PCM_FMTBIT_U8
| SNDRV_PCM_FMTBIT_S16_LE
;
1509 snd_pcm_limit_isa_dma_size(chip
->dma1
, &runtime
->hw
.buffer_bytes_max
);
1510 snd_pcm_limit_isa_dma_size(chip
->dma1
, &runtime
->hw
.period_bytes_max
);
1512 if (chip
->claim_dma
) {
1513 if ((err
= chip
->claim_dma(chip
, chip
->dma_private_data
, chip
->dma1
)) < 0)
1517 err
= snd_wss_open(chip
, WSS_MODE_PLAY
);
1519 if (chip
->release_dma
)
1520 chip
->release_dma(chip
, chip
->dma_private_data
, chip
->dma1
);
1521 snd_free_pages(runtime
->dma_area
, runtime
->dma_bytes
);
1524 chip
->playback_substream
= substream
;
1525 snd_pcm_set_sync(substream
);
1526 chip
->rate_constraint(runtime
);
1530 static int snd_wss_capture_open(struct snd_pcm_substream
*substream
)
1532 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1533 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
1536 runtime
->hw
= snd_wss_capture
;
1538 /* hardware limitation of older chipsets */
1539 if (chip
->hardware
& WSS_HW_AD1848_MASK
)
1540 runtime
->hw
.formats
&= ~(SNDRV_PCM_FMTBIT_IMA_ADPCM
|
1541 SNDRV_PCM_FMTBIT_S16_BE
);
1543 /* hardware limitation of cheap chips */
1544 if (chip
->hardware
== WSS_HW_CS4235
||
1545 chip
->hardware
== WSS_HW_CS4239
||
1546 chip
->hardware
== WSS_HW_OPTI93X
)
1547 runtime
->hw
.formats
= SNDRV_PCM_FMTBIT_U8
|
1548 SNDRV_PCM_FMTBIT_S16_LE
;
1550 snd_pcm_limit_isa_dma_size(chip
->dma2
, &runtime
->hw
.buffer_bytes_max
);
1551 snd_pcm_limit_isa_dma_size(chip
->dma2
, &runtime
->hw
.period_bytes_max
);
1553 if (chip
->claim_dma
) {
1554 if ((err
= chip
->claim_dma(chip
, chip
->dma_private_data
, chip
->dma2
)) < 0)
1558 err
= snd_wss_open(chip
, WSS_MODE_RECORD
);
1560 if (chip
->release_dma
)
1561 chip
->release_dma(chip
, chip
->dma_private_data
, chip
->dma2
);
1562 snd_free_pages(runtime
->dma_area
, runtime
->dma_bytes
);
1565 chip
->capture_substream
= substream
;
1566 snd_pcm_set_sync(substream
);
1567 chip
->rate_constraint(runtime
);
1571 static int snd_wss_playback_close(struct snd_pcm_substream
*substream
)
1573 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1575 chip
->playback_substream
= NULL
;
1576 snd_wss_close(chip
, WSS_MODE_PLAY
);
1580 static int snd_wss_capture_close(struct snd_pcm_substream
*substream
)
1582 struct snd_wss
*chip
= snd_pcm_substream_chip(substream
);
1584 chip
->capture_substream
= NULL
;
1585 snd_wss_close(chip
, WSS_MODE_RECORD
);
1589 static void snd_wss_thinkpad_twiddle(struct snd_wss
*chip
, int on
)
1593 if (!chip
->thinkpad_flag
)
1596 outb(0x1c, AD1848_THINKPAD_CTL_PORT1
);
1597 tmp
= inb(AD1848_THINKPAD_CTL_PORT2
);
1601 tmp
|= AD1848_THINKPAD_CS4248_ENABLE_BIT
;
1604 tmp
&= ~AD1848_THINKPAD_CS4248_ENABLE_BIT
;
1606 outb(tmp
, AD1848_THINKPAD_CTL_PORT2
);
1611 /* lowlevel suspend callback for CS4231 */
1612 static void snd_wss_suspend(struct snd_wss
*chip
)
1615 unsigned long flags
;
1617 snd_pcm_suspend_all(chip
->pcm
);
1618 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1619 for (reg
= 0; reg
< 32; reg
++)
1620 chip
->image
[reg
] = snd_wss_in(chip
, reg
);
1621 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1622 if (chip
->thinkpad_flag
)
1623 snd_wss_thinkpad_twiddle(chip
, 0);
1626 /* lowlevel resume callback for CS4231 */
1627 static void snd_wss_resume(struct snd_wss
*chip
)
1630 unsigned long flags
;
1633 if (chip
->thinkpad_flag
)
1634 snd_wss_thinkpad_twiddle(chip
, 1);
1635 snd_wss_mce_up(chip
);
1636 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1637 for (reg
= 0; reg
< 32; reg
++) {
1639 case CS4231_VERSION
:
1642 snd_wss_out(chip
, reg
, chip
->image
[reg
]);
1646 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1648 snd_wss_mce_down(chip
);
1650 /* The following is a workaround to avoid freeze after resume on TP600E.
1651 This is the first half of copy of snd_wss_mce_down(), but doesn't
1652 include rescheduling. -- iwai
1654 snd_wss_busy_wait(chip
);
1655 spin_lock_irqsave(&chip
->reg_lock
, flags
);
1656 chip
->mce_bit
&= ~CS4231_MCE
;
1657 timeout
= wss_inb(chip
, CS4231P(REGSEL
));
1658 wss_outb(chip
, CS4231P(REGSEL
), chip
->mce_bit
| (timeout
& 0x1f));
1659 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
1660 if (timeout
== 0x80)
1661 snd_printk("down [0x%lx]: serious init problem - codec still busy\n", chip
->port
);
1662 if ((timeout
& CS4231_MCE
) == 0 ||
1663 !(chip
->hardware
& (WSS_HW_CS4231_MASK
| WSS_HW_CS4232_MASK
))) {
1666 snd_wss_busy_wait(chip
);
1669 #endif /* CONFIG_PM */
1671 static int snd_wss_free(struct snd_wss
*chip
)
1673 release_and_free_resource(chip
->res_port
);
1674 release_and_free_resource(chip
->res_cport
);
1675 if (chip
->irq
>= 0) {
1676 disable_irq(chip
->irq
);
1677 if (!(chip
->hwshare
& WSS_HWSHARE_IRQ
))
1678 free_irq(chip
->irq
, (void *) chip
);
1680 if (!(chip
->hwshare
& WSS_HWSHARE_DMA1
) && chip
->dma1
>= 0) {
1681 snd_dma_disable(chip
->dma1
);
1682 free_dma(chip
->dma1
);
1684 if (!(chip
->hwshare
& WSS_HWSHARE_DMA2
) &&
1685 chip
->dma2
>= 0 && chip
->dma2
!= chip
->dma1
) {
1686 snd_dma_disable(chip
->dma2
);
1687 free_dma(chip
->dma2
);
1690 snd_device_free(chip
->card
, chip
->timer
);
1695 static int snd_wss_dev_free(struct snd_device
*device
)
1697 struct snd_wss
*chip
= device
->device_data
;
1698 return snd_wss_free(chip
);
1701 const char *snd_wss_chip_id(struct snd_wss
*chip
)
1703 switch (chip
->hardware
) {
1706 case WSS_HW_CS4231A
:
1710 case WSS_HW_CS4232A
:
1716 case WSS_HW_CS4236B
:
1718 case WSS_HW_CS4237B
:
1720 case WSS_HW_CS4238B
:
1724 case WSS_HW_INTERWAVE
:
1725 return "AMD InterWave";
1726 case WSS_HW_OPL3SA2
:
1727 return chip
->card
->shortname
;
1730 case WSS_HW_OPTI93X
:
1738 case WSS_HW_CMI8330
:
1739 return "CMI8330/C3D";
1744 EXPORT_SYMBOL(snd_wss_chip_id
);
1746 static int snd_wss_new(struct snd_card
*card
,
1747 unsigned short hardware
,
1748 unsigned short hwshare
,
1749 struct snd_wss
**rchip
)
1751 struct snd_wss
*chip
;
1754 chip
= kzalloc(sizeof(*chip
), GFP_KERNEL
);
1757 chip
->hardware
= hardware
;
1758 chip
->hwshare
= hwshare
;
1760 spin_lock_init(&chip
->reg_lock
);
1761 mutex_init(&chip
->mce_mutex
);
1762 mutex_init(&chip
->open_mutex
);
1764 chip
->rate_constraint
= snd_wss_xrate
;
1765 chip
->set_playback_format
= snd_wss_playback_format
;
1766 chip
->set_capture_format
= snd_wss_capture_format
;
1767 if (chip
->hardware
== WSS_HW_OPTI93X
)
1768 memcpy(&chip
->image
, &snd_opti93x_original_image
,
1769 sizeof(snd_opti93x_original_image
));
1771 memcpy(&chip
->image
, &snd_wss_original_image
,
1772 sizeof(snd_wss_original_image
));
1773 if (chip
->hardware
& WSS_HW_AD1848_MASK
) {
1774 chip
->image
[CS4231_PIN_CTRL
] = 0;
1775 chip
->image
[CS4231_TEST_INIT
] = 0;
1782 int snd_wss_create(struct snd_card
*card
,
1784 unsigned long cport
,
1785 int irq
, int dma1
, int dma2
,
1786 unsigned short hardware
,
1787 unsigned short hwshare
,
1788 struct snd_wss
**rchip
)
1790 static struct snd_device_ops ops
= {
1791 .dev_free
= snd_wss_dev_free
,
1793 struct snd_wss
*chip
;
1796 err
= snd_wss_new(card
, hardware
, hwshare
, &chip
);
1804 chip
->res_port
= request_region(port
, 4, "WSS");
1805 if (!chip
->res_port
) {
1806 snd_printk(KERN_ERR
"wss: can't grab port 0x%lx\n", port
);
1811 if ((long)cport
>= 0) {
1812 chip
->res_cport
= request_region(cport
, 8, "CS4232 Control");
1813 if (!chip
->res_cport
) {
1815 "wss: can't grab control port 0x%lx\n", cport
);
1820 chip
->cport
= cport
;
1821 if (!(hwshare
& WSS_HWSHARE_IRQ
))
1822 if (request_irq(irq
, snd_wss_interrupt
, IRQF_DISABLED
,
1823 "WSS", (void *) chip
)) {
1824 snd_printk(KERN_ERR
"wss: can't grab IRQ %d\n", irq
);
1829 if (!(hwshare
& WSS_HWSHARE_DMA1
) && request_dma(dma1
, "WSS - 1")) {
1830 snd_printk(KERN_ERR
"wss: can't grab DMA1 %d\n", dma1
);
1835 if (!(hwshare
& WSS_HWSHARE_DMA2
) && dma1
!= dma2
&&
1836 dma2
>= 0 && request_dma(dma2
, "WSS - 2")) {
1837 snd_printk(KERN_ERR
"wss: can't grab DMA2 %d\n", dma2
);
1841 if (dma1
== dma2
|| dma2
< 0) {
1842 chip
->single_dma
= 1;
1843 chip
->dma2
= chip
->dma1
;
1847 if (hardware
== WSS_HW_THINKPAD
) {
1848 chip
->thinkpad_flag
= 1;
1849 chip
->hardware
= WSS_HW_DETECT
; /* reset */
1850 snd_wss_thinkpad_twiddle(chip
, 1);
1854 if (snd_wss_probe(chip
) < 0) {
1861 if (chip
->hardware
& WSS_HW_CS4232_MASK
) {
1862 if (chip
->res_cport
== NULL
)
1863 snd_printk("CS4232 control port features are not accessible\n");
1867 /* Register device */
1868 err
= snd_device_new(card
, SNDRV_DEV_LOWLEVEL
, chip
, &ops
);
1875 /* Power Management */
1876 chip
->suspend
= snd_wss_suspend
;
1877 chip
->resume
= snd_wss_resume
;
1883 EXPORT_SYMBOL(snd_wss_create
);
1885 static struct snd_pcm_ops snd_wss_playback_ops
= {
1886 .open
= snd_wss_playback_open
,
1887 .close
= snd_wss_playback_close
,
1888 .ioctl
= snd_pcm_lib_ioctl
,
1889 .hw_params
= snd_wss_playback_hw_params
,
1890 .hw_free
= snd_wss_playback_hw_free
,
1891 .prepare
= snd_wss_playback_prepare
,
1892 .trigger
= snd_wss_trigger
,
1893 .pointer
= snd_wss_playback_pointer
,
1896 static struct snd_pcm_ops snd_wss_capture_ops
= {
1897 .open
= snd_wss_capture_open
,
1898 .close
= snd_wss_capture_close
,
1899 .ioctl
= snd_pcm_lib_ioctl
,
1900 .hw_params
= snd_wss_capture_hw_params
,
1901 .hw_free
= snd_wss_capture_hw_free
,
1902 .prepare
= snd_wss_capture_prepare
,
1903 .trigger
= snd_wss_trigger
,
1904 .pointer
= snd_wss_capture_pointer
,
1907 int snd_wss_pcm(struct snd_wss
*chip
, int device
, struct snd_pcm
**rpcm
)
1909 struct snd_pcm
*pcm
;
1912 err
= snd_pcm_new(chip
->card
, "WSS", device
, 1, 1, &pcm
);
1916 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_PLAYBACK
, &snd_wss_playback_ops
);
1917 snd_pcm_set_ops(pcm
, SNDRV_PCM_STREAM_CAPTURE
, &snd_wss_capture_ops
);
1920 pcm
->private_data
= chip
;
1921 pcm
->info_flags
= 0;
1922 if (chip
->single_dma
)
1923 pcm
->info_flags
|= SNDRV_PCM_INFO_HALF_DUPLEX
;
1924 if (chip
->hardware
!= WSS_HW_INTERWAVE
)
1925 pcm
->info_flags
|= SNDRV_PCM_INFO_JOINT_DUPLEX
;
1926 strcpy(pcm
->name
, snd_wss_chip_id(chip
));
1928 snd_pcm_lib_preallocate_pages_for_all(pcm
, SNDRV_DMA_TYPE_DEV
,
1930 64*1024, chip
->dma1
> 3 || chip
->dma2
> 3 ? 128*1024 : 64*1024);
1937 EXPORT_SYMBOL(snd_wss_pcm
);
1939 static void snd_wss_timer_free(struct snd_timer
*timer
)
1941 struct snd_wss
*chip
= timer
->private_data
;
1945 int snd_wss_timer(struct snd_wss
*chip
, int device
, struct snd_timer
**rtimer
)
1947 struct snd_timer
*timer
;
1948 struct snd_timer_id tid
;
1951 /* Timer initialization */
1952 tid
.dev_class
= SNDRV_TIMER_CLASS_CARD
;
1953 tid
.dev_sclass
= SNDRV_TIMER_SCLASS_NONE
;
1954 tid
.card
= chip
->card
->number
;
1955 tid
.device
= device
;
1957 if ((err
= snd_timer_new(chip
->card
, "CS4231", &tid
, &timer
)) < 0)
1959 strcpy(timer
->name
, snd_wss_chip_id(chip
));
1960 timer
->private_data
= chip
;
1961 timer
->private_free
= snd_wss_timer_free
;
1962 timer
->hw
= snd_wss_timer_table
;
1963 chip
->timer
= timer
;
1968 EXPORT_SYMBOL(snd_wss_timer
);
1974 static int snd_wss_info_mux(struct snd_kcontrol
*kcontrol
,
1975 struct snd_ctl_elem_info
*uinfo
)
1977 static char *texts
[4] = {
1978 "Line", "Aux", "Mic", "Mix"
1980 static char *opl3sa_texts
[4] = {
1981 "Line", "CD", "Mic", "Mix"
1983 static char *gusmax_texts
[4] = {
1984 "Line", "Synth", "Mic", "Mix"
1986 char **ptexts
= texts
;
1987 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
1989 if (snd_BUG_ON(!chip
->card
))
1991 uinfo
->type
= SNDRV_CTL_ELEM_TYPE_ENUMERATED
;
1993 uinfo
->value
.enumerated
.items
= 4;
1994 if (uinfo
->value
.enumerated
.item
> 3)
1995 uinfo
->value
.enumerated
.item
= 3;
1996 if (!strcmp(chip
->card
->driver
, "GUS MAX"))
1997 ptexts
= gusmax_texts
;
1998 switch (chip
->hardware
) {
1999 case WSS_HW_INTERWAVE
:
2000 ptexts
= gusmax_texts
;
2002 case WSS_HW_OPL3SA2
:
2003 ptexts
= opl3sa_texts
;
2006 strcpy(uinfo
->value
.enumerated
.name
, ptexts
[uinfo
->value
.enumerated
.item
]);
2010 static int snd_wss_get_mux(struct snd_kcontrol
*kcontrol
,
2011 struct snd_ctl_elem_value
*ucontrol
)
2013 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2014 unsigned long flags
;
2016 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2017 ucontrol
->value
.enumerated
.item
[0] = (chip
->image
[CS4231_LEFT_INPUT
] & CS4231_MIXS_ALL
) >> 6;
2018 ucontrol
->value
.enumerated
.item
[1] = (chip
->image
[CS4231_RIGHT_INPUT
] & CS4231_MIXS_ALL
) >> 6;
2019 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2023 static int snd_wss_put_mux(struct snd_kcontrol
*kcontrol
,
2024 struct snd_ctl_elem_value
*ucontrol
)
2026 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2027 unsigned long flags
;
2028 unsigned short left
, right
;
2031 if (ucontrol
->value
.enumerated
.item
[0] > 3 ||
2032 ucontrol
->value
.enumerated
.item
[1] > 3)
2034 left
= ucontrol
->value
.enumerated
.item
[0] << 6;
2035 right
= ucontrol
->value
.enumerated
.item
[1] << 6;
2036 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2037 left
= (chip
->image
[CS4231_LEFT_INPUT
] & ~CS4231_MIXS_ALL
) | left
;
2038 right
= (chip
->image
[CS4231_RIGHT_INPUT
] & ~CS4231_MIXS_ALL
) | right
;
2039 change
= left
!= chip
->image
[CS4231_LEFT_INPUT
] ||
2040 right
!= chip
->image
[CS4231_RIGHT_INPUT
];
2041 snd_wss_out(chip
, CS4231_LEFT_INPUT
, left
);
2042 snd_wss_out(chip
, CS4231_RIGHT_INPUT
, right
);
2043 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2047 int snd_wss_info_single(struct snd_kcontrol
*kcontrol
,
2048 struct snd_ctl_elem_info
*uinfo
)
2050 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
2052 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
2054 uinfo
->value
.integer
.min
= 0;
2055 uinfo
->value
.integer
.max
= mask
;
2058 EXPORT_SYMBOL(snd_wss_info_single
);
2060 int snd_wss_get_single(struct snd_kcontrol
*kcontrol
,
2061 struct snd_ctl_elem_value
*ucontrol
)
2063 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2064 unsigned long flags
;
2065 int reg
= kcontrol
->private_value
& 0xff;
2066 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
2067 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
2068 int invert
= (kcontrol
->private_value
>> 24) & 0xff;
2070 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2071 ucontrol
->value
.integer
.value
[0] = (chip
->image
[reg
] >> shift
) & mask
;
2072 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2074 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
2077 EXPORT_SYMBOL(snd_wss_get_single
);
2079 int snd_wss_put_single(struct snd_kcontrol
*kcontrol
,
2080 struct snd_ctl_elem_value
*ucontrol
)
2082 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2083 unsigned long flags
;
2084 int reg
= kcontrol
->private_value
& 0xff;
2085 int shift
= (kcontrol
->private_value
>> 8) & 0xff;
2086 int mask
= (kcontrol
->private_value
>> 16) & 0xff;
2087 int invert
= (kcontrol
->private_value
>> 24) & 0xff;
2091 val
= (ucontrol
->value
.integer
.value
[0] & mask
);
2095 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2096 val
= (chip
->image
[reg
] & ~(mask
<< shift
)) | val
;
2097 change
= val
!= chip
->image
[reg
];
2098 snd_wss_out(chip
, reg
, val
);
2099 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2102 EXPORT_SYMBOL(snd_wss_put_single
);
2104 int snd_wss_info_double(struct snd_kcontrol
*kcontrol
,
2105 struct snd_ctl_elem_info
*uinfo
)
2107 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
2109 uinfo
->type
= mask
== 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN
: SNDRV_CTL_ELEM_TYPE_INTEGER
;
2111 uinfo
->value
.integer
.min
= 0;
2112 uinfo
->value
.integer
.max
= mask
;
2115 EXPORT_SYMBOL(snd_wss_info_double
);
2117 int snd_wss_get_double(struct snd_kcontrol
*kcontrol
,
2118 struct snd_ctl_elem_value
*ucontrol
)
2120 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2121 unsigned long flags
;
2122 int left_reg
= kcontrol
->private_value
& 0xff;
2123 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
2124 int shift_left
= (kcontrol
->private_value
>> 16) & 0x07;
2125 int shift_right
= (kcontrol
->private_value
>> 19) & 0x07;
2126 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
2127 int invert
= (kcontrol
->private_value
>> 22) & 1;
2129 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2130 ucontrol
->value
.integer
.value
[0] = (chip
->image
[left_reg
] >> shift_left
) & mask
;
2131 ucontrol
->value
.integer
.value
[1] = (chip
->image
[right_reg
] >> shift_right
) & mask
;
2132 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2134 ucontrol
->value
.integer
.value
[0] = mask
- ucontrol
->value
.integer
.value
[0];
2135 ucontrol
->value
.integer
.value
[1] = mask
- ucontrol
->value
.integer
.value
[1];
2139 EXPORT_SYMBOL(snd_wss_get_double
);
2141 int snd_wss_put_double(struct snd_kcontrol
*kcontrol
,
2142 struct snd_ctl_elem_value
*ucontrol
)
2144 struct snd_wss
*chip
= snd_kcontrol_chip(kcontrol
);
2145 unsigned long flags
;
2146 int left_reg
= kcontrol
->private_value
& 0xff;
2147 int right_reg
= (kcontrol
->private_value
>> 8) & 0xff;
2148 int shift_left
= (kcontrol
->private_value
>> 16) & 0x07;
2149 int shift_right
= (kcontrol
->private_value
>> 19) & 0x07;
2150 int mask
= (kcontrol
->private_value
>> 24) & 0xff;
2151 int invert
= (kcontrol
->private_value
>> 22) & 1;
2153 unsigned short val1
, val2
;
2155 val1
= ucontrol
->value
.integer
.value
[0] & mask
;
2156 val2
= ucontrol
->value
.integer
.value
[1] & mask
;
2161 val1
<<= shift_left
;
2162 val2
<<= shift_right
;
2163 spin_lock_irqsave(&chip
->reg_lock
, flags
);
2164 if (left_reg
!= right_reg
) {
2165 val1
= (chip
->image
[left_reg
] & ~(mask
<< shift_left
)) | val1
;
2166 val2
= (chip
->image
[right_reg
] & ~(mask
<< shift_right
)) | val2
;
2167 change
= val1
!= chip
->image
[left_reg
] ||
2168 val2
!= chip
->image
[right_reg
];
2169 snd_wss_out(chip
, left_reg
, val1
);
2170 snd_wss_out(chip
, right_reg
, val2
);
2172 mask
= (mask
<< shift_left
) | (mask
<< shift_right
);
2173 val1
= (chip
->image
[left_reg
] & ~mask
) | val1
| val2
;
2174 change
= val1
!= chip
->image
[left_reg
];
2175 snd_wss_out(chip
, left_reg
, val1
);
2177 spin_unlock_irqrestore(&chip
->reg_lock
, flags
);
2180 EXPORT_SYMBOL(snd_wss_put_double
);
2182 static const DECLARE_TLV_DB_SCALE(db_scale_6bit
, -9450, 150, 0);
2183 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max
, -3450, 150, 0);
2184 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain
, 0, 150, 0);
2186 static struct snd_kcontrol_new snd_ad1848_controls
[] = {
2187 WSS_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
,
2189 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
2190 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 0, 0, 63, 1,
2192 WSS_DOUBLE("Aux Playback Switch", 0,
2193 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 7, 7, 1, 1),
2194 WSS_DOUBLE_TLV("Aux Playback Volume", 0,
2195 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 0, 0, 31, 1,
2196 db_scale_5bit_12db_max
),
2197 WSS_DOUBLE("Aux Playback Switch", 1,
2198 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 7, 7, 1, 1),
2199 WSS_DOUBLE_TLV("Aux Playback Volume", 1,
2200 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 0, 0, 31, 1,
2201 db_scale_5bit_12db_max
),
2202 WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
,
2203 0, 0, 15, 0, db_scale_rec_gain
),
2205 .name
= "Capture Source",
2206 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2207 .info
= snd_wss_info_mux
,
2208 .get
= snd_wss_get_mux
,
2209 .put
= snd_wss_put_mux
,
2211 WSS_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK
, 0, 1, 0),
2212 WSS_SINGLE_TLV("Loopback Capture Volume", 0, CS4231_LOOPBACK
, 1, 63, 0,
2216 static struct snd_kcontrol_new snd_wss_controls
[] = {
2217 WSS_DOUBLE("PCM Playback Switch", 0,
2218 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 7, 7, 1, 1),
2219 WSS_DOUBLE("PCM Playback Volume", 0,
2220 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 0, 0, 63, 1),
2221 WSS_DOUBLE("Line Playback Switch", 0,
2222 CS4231_LEFT_LINE_IN
, CS4231_RIGHT_LINE_IN
, 7, 7, 1, 1),
2223 WSS_DOUBLE("Line Playback Volume", 0,
2224 CS4231_LEFT_LINE_IN
, CS4231_RIGHT_LINE_IN
, 0, 0, 31, 1),
2225 WSS_DOUBLE("Aux Playback Switch", 0,
2226 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 7, 7, 1, 1),
2227 WSS_DOUBLE("Aux Playback Volume", 0,
2228 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 0, 0, 31, 1),
2229 WSS_DOUBLE("Aux Playback Switch", 1,
2230 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 7, 7, 1, 1),
2231 WSS_DOUBLE("Aux Playback Volume", 1,
2232 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 0, 0, 31, 1),
2233 WSS_SINGLE("Mono Playback Switch", 0,
2234 CS4231_MONO_CTRL
, 7, 1, 1),
2235 WSS_SINGLE("Mono Playback Volume", 0,
2236 CS4231_MONO_CTRL
, 0, 15, 1),
2237 WSS_SINGLE("Mono Output Playback Switch", 0,
2238 CS4231_MONO_CTRL
, 6, 1, 1),
2239 WSS_SINGLE("Mono Output Playback Bypass", 0,
2240 CS4231_MONO_CTRL
, 5, 1, 0),
2241 WSS_DOUBLE("Capture Volume", 0,
2242 CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
, 0, 0, 15, 0),
2244 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2245 .name
= "Capture Source",
2246 .info
= snd_wss_info_mux
,
2247 .get
= snd_wss_get_mux
,
2248 .put
= snd_wss_put_mux
,
2250 WSS_DOUBLE("Mic Boost", 0,
2251 CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
, 5, 5, 1, 0),
2252 WSS_SINGLE("Loopback Capture Switch", 0,
2253 CS4231_LOOPBACK
, 0, 1, 0),
2254 WSS_SINGLE("Loopback Capture Volume", 0,
2255 CS4231_LOOPBACK
, 2, 63, 1)
2258 static struct snd_kcontrol_new snd_opti93x_controls
[] = {
2259 WSS_DOUBLE("Master Playback Switch", 0,
2260 OPTi93X_OUT_LEFT
, OPTi93X_OUT_RIGHT
, 7, 7, 1, 1),
2261 WSS_DOUBLE("Master Playback Volume", 0,
2262 OPTi93X_OUT_LEFT
, OPTi93X_OUT_RIGHT
, 1, 1, 31, 1),
2263 WSS_DOUBLE("PCM Playback Switch", 0,
2264 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 7, 7, 1, 1),
2265 WSS_DOUBLE("PCM Playback Volume", 0,
2266 CS4231_LEFT_OUTPUT
, CS4231_RIGHT_OUTPUT
, 0, 0, 31, 1),
2267 WSS_DOUBLE("FM Playback Switch", 0,
2268 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 7, 7, 1, 1),
2269 WSS_DOUBLE("FM Playback Volume", 0,
2270 CS4231_AUX2_LEFT_INPUT
, CS4231_AUX2_RIGHT_INPUT
, 1, 1, 15, 1),
2271 WSS_DOUBLE("Line Playback Switch", 0,
2272 CS4231_LEFT_LINE_IN
, CS4231_RIGHT_LINE_IN
, 7, 7, 1, 1),
2273 WSS_DOUBLE("Line Playback Volume", 0,
2274 CS4231_LEFT_LINE_IN
, CS4231_RIGHT_LINE_IN
, 0, 0, 15, 1),
2275 WSS_DOUBLE("Mic Playback Switch", 0,
2276 OPTi93X_MIC_LEFT_INPUT
, OPTi93X_MIC_RIGHT_INPUT
, 7, 7, 1, 1),
2277 WSS_DOUBLE("Mic Playback Volume", 0,
2278 OPTi93X_MIC_LEFT_INPUT
, OPTi93X_MIC_RIGHT_INPUT
, 1, 1, 15, 1),
2279 WSS_DOUBLE("Mic Boost", 0,
2280 CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
, 5, 5, 1, 0),
2281 WSS_DOUBLE("CD Playback Switch", 0,
2282 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 7, 7, 1, 1),
2283 WSS_DOUBLE("CD Playback Volume", 0,
2284 CS4231_AUX1_LEFT_INPUT
, CS4231_AUX1_RIGHT_INPUT
, 1, 1, 15, 1),
2285 WSS_DOUBLE("Aux Playback Switch", 0,
2286 OPTi931_AUX_LEFT_INPUT
, OPTi931_AUX_RIGHT_INPUT
, 7, 7, 1, 1),
2287 WSS_DOUBLE("Aux Playback Volume", 0,
2288 OPTi931_AUX_LEFT_INPUT
, OPTi931_AUX_RIGHT_INPUT
, 1, 1, 15, 1),
2289 WSS_DOUBLE("Capture Volume", 0,
2290 CS4231_LEFT_INPUT
, CS4231_RIGHT_INPUT
, 0, 0, 15, 0),
2292 .iface
= SNDRV_CTL_ELEM_IFACE_MIXER
,
2293 .name
= "Capture Source",
2294 .info
= snd_wss_info_mux
,
2295 .get
= snd_wss_get_mux
,
2296 .put
= snd_wss_put_mux
,
2300 int snd_wss_mixer(struct snd_wss
*chip
)
2302 struct snd_card
*card
;
2306 if (snd_BUG_ON(!chip
|| !chip
->pcm
))
2311 strcpy(card
->mixername
, chip
->pcm
->name
);
2313 if (chip
->hardware
== WSS_HW_OPTI93X
)
2314 for (idx
= 0; idx
< ARRAY_SIZE(snd_opti93x_controls
); idx
++) {
2315 err
= snd_ctl_add(card
,
2316 snd_ctl_new1(&snd_opti93x_controls
[idx
],
2321 else if (chip
->hardware
& WSS_HW_AD1848_MASK
)
2322 for (idx
= 0; idx
< ARRAY_SIZE(snd_ad1848_controls
); idx
++) {
2323 err
= snd_ctl_add(card
,
2324 snd_ctl_new1(&snd_ad1848_controls
[idx
],
2330 for (idx
= 0; idx
< ARRAY_SIZE(snd_wss_controls
); idx
++) {
2331 err
= snd_ctl_add(card
,
2332 snd_ctl_new1(&snd_wss_controls
[idx
],
2339 EXPORT_SYMBOL(snd_wss_mixer
);
2341 const struct snd_pcm_ops
*snd_wss_get_pcm_ops(int direction
)
2343 return direction
== SNDRV_PCM_STREAM_PLAYBACK
?
2344 &snd_wss_playback_ops
: &snd_wss_capture_ops
;
2346 EXPORT_SYMBOL(snd_wss_get_pcm_ops
);
2352 static int __init
alsa_wss_init(void)
2357 static void __exit
alsa_wss_exit(void)
2361 module_init(alsa_wss_init
);
2362 module_exit(alsa_wss_exit
);