xref: /openbmc/linux/sound/isa/cs423x/cs4236_lib.c (revision 711aab1d)
1 /*
2  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
3  *  Routines for control of CS4235/4236B/4237B/4238B/4239 chips
4  *
5  *  Note:
6  *     -----
7  *
8  *  Bugs:
9  *     -----
10  *
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.
15  *
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.
20  *
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
24  *
25  */
26 
27 /*
28  *  Indirect control registers (CS4236B+)
29  *
30  *  C0
31  *     D8: WSS reset (all chips)
32  *
33  *  C1 (all chips except CS4236)
34  *     D7-D5: version
35  *     D4-D0: chip id
36  *             11101 - CS4235
37  *             01011 - CS4236B
38  *             01000 - CS4237B
39  *             01001 - CS4238B
40  *             11110 - CS4239
41  *
42  *  C2
43  *     D7-D4: 3D Space (CS4235,CS4237B,CS4238B,CS4239)
44  *     D3-D0: 3D Center (CS4237B); 3D Volume (CS4238B)
45  *
46  *  C3
47  *     D7: 3D Enable (CS4237B)
48  *     D6: 3D Mono Enable (CS4237B)
49  *     D5: 3D Serial Output (CS4237B,CS4238B)
50  *     D4: 3D Enable (CS4235,CS4238B,CS4239)
51  *
52  *  C4
53  *     D7: consumer serial port enable (CS4237B,CS4238B)
54  *     D6: channels status block reset (CS4237B,CS4238B)
55  *     D5: user bit in sub-frame of digital audio data (CS4237B,CS4238B)
56  *     D4: validity bit bit in sub-frame of digital audio data (CS4237B,CS4238B)
57  *
58  *  C5  lower channel status (digital serial data description) (CS4237B,CS4238B)
59  *     D7-D6: first two bits of category code
60  *     D5: lock
61  *     D4-D3: pre-emphasis (0 = none, 1 = 50/15us)
62  *     D2: copy/copyright (0 = copy inhibited)
63  *     D1: 0 = digital audio / 1 = non-digital audio
64  *
65  *  C6  upper channel status (digital serial data description) (CS4237B,CS4238B)
66  *     D7-D6: sample frequency (0 = 44.1kHz)
67  *     D5: generation status (0 = no indication, 1 = original/commercially precaptureed data)
68  *     D4-D0: category code (upper bits)
69  *
70  *  C7  reserved (must write 0)
71  *
72  *  C8  wavetable control
73  *     D7: volume control interrupt enable (CS4235,CS4239)
74  *     D6: hardware volume control format (CS4235,CS4239)
75  *     D3: wavetable serial port enable (all chips)
76  *     D2: DSP serial port switch (all chips)
77  *     D1: disable MCLK (all chips)
78  *     D0: force BRESET low (all chips)
79  *
80  */
81 
82 #include <linux/io.h>
83 #include <linux/delay.h>
84 #include <linux/init.h>
85 #include <linux/time.h>
86 #include <linux/wait.h>
87 #include <sound/core.h>
88 #include <sound/wss.h>
89 #include <sound/asoundef.h>
90 #include <sound/initval.h>
91 #include <sound/tlv.h>
92 
93 /*
94  *
95  */
96 
97 static unsigned char snd_cs4236_ext_map[18] = {
98 	/* CS4236_LEFT_LINE */		0xff,
99 	/* CS4236_RIGHT_LINE */		0xff,
100 	/* CS4236_LEFT_MIC */		0xdf,
101 	/* CS4236_RIGHT_MIC */		0xdf,
102 	/* CS4236_LEFT_MIX_CTRL */	0xe0 | 0x18,
103 	/* CS4236_RIGHT_MIX_CTRL */	0xe0,
104 	/* CS4236_LEFT_FM */		0xbf,
105 	/* CS4236_RIGHT_FM */		0xbf,
106 	/* CS4236_LEFT_DSP */		0xbf,
107 	/* CS4236_RIGHT_DSP */		0xbf,
108 	/* CS4236_RIGHT_LOOPBACK */	0xbf,
109 	/* CS4236_DAC_MUTE */		0xe0,
110 	/* CS4236_ADC_RATE */		0x01,	/* 48kHz */
111 	/* CS4236_DAC_RATE */		0x01,	/* 48kHz */
112 	/* CS4236_LEFT_MASTER */	0xbf,
113 	/* CS4236_RIGHT_MASTER */	0xbf,
114 	/* CS4236_LEFT_WAVE */		0xbf,
115 	/* CS4236_RIGHT_WAVE */		0xbf
116 };
117 
118 /*
119  *
120  */
121 
122 static void snd_cs4236_ctrl_out(struct snd_wss *chip,
123 				unsigned char reg, unsigned char val)
124 {
125 	outb(reg, chip->cport + 3);
126 	outb(chip->cimage[reg] = val, chip->cport + 4);
127 }
128 
129 static unsigned char snd_cs4236_ctrl_in(struct snd_wss *chip, unsigned char reg)
130 {
131 	outb(reg, chip->cport + 3);
132 	return inb(chip->cport + 4);
133 }
134 
135 /*
136  *  PCM
137  */
138 
139 #define CLOCKS 8
140 
141 static const struct snd_ratnum clocks[CLOCKS] = {
142 	{ .num = 16934400, .den_min = 353, .den_max = 353, .den_step = 1 },
143 	{ .num = 16934400, .den_min = 529, .den_max = 529, .den_step = 1 },
144 	{ .num = 16934400, .den_min = 617, .den_max = 617, .den_step = 1 },
145 	{ .num = 16934400, .den_min = 1058, .den_max = 1058, .den_step = 1 },
146 	{ .num = 16934400, .den_min = 1764, .den_max = 1764, .den_step = 1 },
147 	{ .num = 16934400, .den_min = 2117, .den_max = 2117, .den_step = 1 },
148 	{ .num = 16934400, .den_min = 2558, .den_max = 2558, .den_step = 1 },
149 	{ .num = 16934400/16, .den_min = 21, .den_max = 192, .den_step = 1 }
150 };
151 
152 static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
153 	.nrats = CLOCKS,
154 	.rats = clocks,
155 };
156 
157 static int snd_cs4236_xrate(struct snd_pcm_runtime *runtime)
158 {
159 	return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
160 					     &hw_constraints_clocks);
161 }
162 
163 static unsigned char divisor_to_rate_register(unsigned int divisor)
164 {
165 	switch (divisor) {
166 	case 353:	return 1;
167 	case 529:	return 2;
168 	case 617:	return 3;
169 	case 1058:	return 4;
170 	case 1764:	return 5;
171 	case 2117:	return 6;
172 	case 2558:	return 7;
173 	default:
174 		if (divisor < 21 || divisor > 192) {
175 			snd_BUG();
176 			return 192;
177 		}
178 		return divisor;
179 	}
180 }
181 
182 static void snd_cs4236_playback_format(struct snd_wss *chip,
183 				       struct snd_pcm_hw_params *params,
184 				       unsigned char pdfr)
185 {
186 	unsigned long flags;
187 	unsigned char rate = divisor_to_rate_register(params->rate_den);
188 
189 	spin_lock_irqsave(&chip->reg_lock, flags);
190 	/* set fast playback format change and clean playback FIFO */
191 	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
192 		    chip->image[CS4231_ALT_FEATURE_1] | 0x10);
193 	snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr & 0xf0);
194 	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
195 		    chip->image[CS4231_ALT_FEATURE_1] & ~0x10);
196 	snd_cs4236_ext_out(chip, CS4236_DAC_RATE, rate);
197 	spin_unlock_irqrestore(&chip->reg_lock, flags);
198 }
199 
200 static void snd_cs4236_capture_format(struct snd_wss *chip,
201 				      struct snd_pcm_hw_params *params,
202 				      unsigned char cdfr)
203 {
204 	unsigned long flags;
205 	unsigned char rate = divisor_to_rate_register(params->rate_den);
206 
207 	spin_lock_irqsave(&chip->reg_lock, flags);
208 	/* set fast capture format change and clean capture FIFO */
209 	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
210 		    chip->image[CS4231_ALT_FEATURE_1] | 0x20);
211 	snd_wss_out(chip, CS4231_REC_FORMAT, cdfr & 0xf0);
212 	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
213 		    chip->image[CS4231_ALT_FEATURE_1] & ~0x20);
214 	snd_cs4236_ext_out(chip, CS4236_ADC_RATE, rate);
215 	spin_unlock_irqrestore(&chip->reg_lock, flags);
216 }
217 
218 #ifdef CONFIG_PM
219 
220 static void snd_cs4236_suspend(struct snd_wss *chip)
221 {
222 	int reg;
223 	unsigned long flags;
224 
225 	spin_lock_irqsave(&chip->reg_lock, flags);
226 	for (reg = 0; reg < 32; reg++)
227 		chip->image[reg] = snd_wss_in(chip, reg);
228 	for (reg = 0; reg < 18; reg++)
229 		chip->eimage[reg] = snd_cs4236_ext_in(chip, CS4236_I23VAL(reg));
230 	for (reg = 2; reg < 9; reg++)
231 		chip->cimage[reg] = snd_cs4236_ctrl_in(chip, reg);
232 	spin_unlock_irqrestore(&chip->reg_lock, flags);
233 }
234 
235 static void snd_cs4236_resume(struct snd_wss *chip)
236 {
237 	int reg;
238 	unsigned long flags;
239 
240 	snd_wss_mce_up(chip);
241 	spin_lock_irqsave(&chip->reg_lock, flags);
242 	for (reg = 0; reg < 32; reg++) {
243 		switch (reg) {
244 		case CS4236_EXT_REG:
245 		case CS4231_VERSION:
246 		case 27:	/* why? CS4235 - master left */
247 		case 29:	/* why? CS4235 - master right */
248 			break;
249 		default:
250 			snd_wss_out(chip, reg, chip->image[reg]);
251 			break;
252 		}
253 	}
254 	for (reg = 0; reg < 18; reg++)
255 		snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), chip->eimage[reg]);
256 	for (reg = 2; reg < 9; reg++) {
257 		switch (reg) {
258 		case 7:
259 			break;
260 		default:
261 			snd_cs4236_ctrl_out(chip, reg, chip->cimage[reg]);
262 		}
263 	}
264 	spin_unlock_irqrestore(&chip->reg_lock, flags);
265 	snd_wss_mce_down(chip);
266 }
267 
268 #endif /* CONFIG_PM */
269 /*
270  * This function does no fail if the chip is not CS4236B or compatible.
271  * It just an equivalent to the snd_wss_create() then.
272  */
273 int snd_cs4236_create(struct snd_card *card,
274 		      unsigned long port,
275 		      unsigned long cport,
276 		      int irq, int dma1, int dma2,
277 		      unsigned short hardware,
278 		      unsigned short hwshare,
279 		      struct snd_wss **rchip)
280 {
281 	struct snd_wss *chip;
282 	unsigned char ver1, ver2;
283 	unsigned int reg;
284 	int err;
285 
286 	*rchip = NULL;
287 	if (hardware == WSS_HW_DETECT)
288 		hardware = WSS_HW_DETECT3;
289 
290 	err = snd_wss_create(card, port, cport,
291 			     irq, dma1, dma2, hardware, hwshare, &chip);
292 	if (err < 0)
293 		return err;
294 
295 	if ((chip->hardware & WSS_HW_CS4236B_MASK) == 0) {
296 		snd_printd("chip is not CS4236+, hardware=0x%x\n",
297 			   chip->hardware);
298 		*rchip = chip;
299 		return 0;
300 	}
301 #if 0
302 	{
303 		int idx;
304 		for (idx = 0; idx < 8; idx++)
305 			snd_printk(KERN_DEBUG "CD%i = 0x%x\n",
306 				   idx, inb(chip->cport + idx));
307 		for (idx = 0; idx < 9; idx++)
308 			snd_printk(KERN_DEBUG "C%i = 0x%x\n",
309 				   idx, snd_cs4236_ctrl_in(chip, idx));
310 	}
311 #endif
312 	if (cport < 0x100 || cport == SNDRV_AUTO_PORT) {
313 		snd_printk(KERN_ERR "please, specify control port "
314 			   "for CS4236+ chips\n");
315 		snd_device_free(card, chip);
316 		return -ENODEV;
317 	}
318 	ver1 = snd_cs4236_ctrl_in(chip, 1);
319 	ver2 = snd_cs4236_ext_in(chip, CS4236_VERSION);
320 	snd_printdd("CS4236: [0x%lx] C1 (version) = 0x%x, ext = 0x%x\n",
321 			cport, ver1, ver2);
322 	if (ver1 != ver2) {
323 		snd_printk(KERN_ERR "CS4236+ chip detected, but "
324 			   "control port 0x%lx is not valid\n", cport);
325 		snd_device_free(card, chip);
326 		return -ENODEV;
327 	}
328 	snd_cs4236_ctrl_out(chip, 0, 0x00);
329 	snd_cs4236_ctrl_out(chip, 2, 0xff);
330 	snd_cs4236_ctrl_out(chip, 3, 0x00);
331 	snd_cs4236_ctrl_out(chip, 4, 0x80);
332 	reg = ((IEC958_AES1_CON_PCM_CODER & 3) << 6) |
333 	      IEC958_AES0_CON_EMPHASIS_NONE;
334 	snd_cs4236_ctrl_out(chip, 5, reg);
335 	snd_cs4236_ctrl_out(chip, 6, IEC958_AES1_CON_PCM_CODER >> 2);
336 	snd_cs4236_ctrl_out(chip, 7, 0x00);
337 	/*
338 	 * 0x8c for C8 is valid for Turtle Beach Malibu - the IEC-958
339 	 * output is working with this setup, other hardware should
340 	 * have different signal paths and this value should be
341 	 * selectable in the future
342 	 */
343 	snd_cs4236_ctrl_out(chip, 8, 0x8c);
344 	chip->rate_constraint = snd_cs4236_xrate;
345 	chip->set_playback_format = snd_cs4236_playback_format;
346 	chip->set_capture_format = snd_cs4236_capture_format;
347 #ifdef CONFIG_PM
348 	chip->suspend = snd_cs4236_suspend;
349 	chip->resume = snd_cs4236_resume;
350 #endif
351 
352 	/* initialize extended registers */
353 	for (reg = 0; reg < sizeof(snd_cs4236_ext_map); reg++)
354 		snd_cs4236_ext_out(chip, CS4236_I23VAL(reg),
355 				   snd_cs4236_ext_map[reg]);
356 
357 	/* initialize compatible but more featured registers */
358 	snd_wss_out(chip, CS4231_LEFT_INPUT, 0x40);
359 	snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x40);
360 	snd_wss_out(chip, CS4231_AUX1_LEFT_INPUT, 0xff);
361 	snd_wss_out(chip, CS4231_AUX1_RIGHT_INPUT, 0xff);
362 	snd_wss_out(chip, CS4231_AUX2_LEFT_INPUT, 0xdf);
363 	snd_wss_out(chip, CS4231_AUX2_RIGHT_INPUT, 0xdf);
364 	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
365 	snd_wss_out(chip, CS4231_LEFT_LINE_IN, 0xff);
366 	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
367 	switch (chip->hardware) {
368 	case WSS_HW_CS4235:
369 	case WSS_HW_CS4239:
370 		snd_wss_out(chip, CS4235_LEFT_MASTER, 0xff);
371 		snd_wss_out(chip, CS4235_RIGHT_MASTER, 0xff);
372 		break;
373 	}
374 
375 	*rchip = chip;
376 	return 0;
377 }
378 
379 int snd_cs4236_pcm(struct snd_wss *chip, int device)
380 {
381 	int err;
382 
383 	err = snd_wss_pcm(chip, device);
384 	if (err < 0)
385 		return err;
386 	chip->pcm->info_flags &= ~SNDRV_PCM_INFO_JOINT_DUPLEX;
387 	return 0;
388 }
389 
390 /*
391  *  MIXER
392  */
393 
394 #define CS4236_SINGLE(xname, xindex, reg, shift, mask, invert) \
395 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
396   .info = snd_cs4236_info_single, \
397   .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
398   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
399 
400 #define CS4236_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
401 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
402   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
403   .info = snd_cs4236_info_single, \
404   .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
405   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
406   .tlv = { .p = (xtlv) } }
407 
408 static int snd_cs4236_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
409 {
410 	int mask = (kcontrol->private_value >> 16) & 0xff;
411 
412 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
413 	uinfo->count = 1;
414 	uinfo->value.integer.min = 0;
415 	uinfo->value.integer.max = mask;
416 	return 0;
417 }
418 
419 static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
420 {
421 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
422 	unsigned long flags;
423 	int reg = kcontrol->private_value & 0xff;
424 	int shift = (kcontrol->private_value >> 8) & 0xff;
425 	int mask = (kcontrol->private_value >> 16) & 0xff;
426 	int invert = (kcontrol->private_value >> 24) & 0xff;
427 
428 	spin_lock_irqsave(&chip->reg_lock, flags);
429 	ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(reg)] >> shift) & mask;
430 	spin_unlock_irqrestore(&chip->reg_lock, flags);
431 	if (invert)
432 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
433 	return 0;
434 }
435 
436 static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
437 {
438 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
439 	unsigned long flags;
440 	int reg = kcontrol->private_value & 0xff;
441 	int shift = (kcontrol->private_value >> 8) & 0xff;
442 	int mask = (kcontrol->private_value >> 16) & 0xff;
443 	int invert = (kcontrol->private_value >> 24) & 0xff;
444 	int change;
445 	unsigned short val;
446 
447 	val = (ucontrol->value.integer.value[0] & mask);
448 	if (invert)
449 		val = mask - val;
450 	val <<= shift;
451 	spin_lock_irqsave(&chip->reg_lock, flags);
452 	val = (chip->eimage[CS4236_REG(reg)] & ~(mask << shift)) | val;
453 	change = val != chip->eimage[CS4236_REG(reg)];
454 	snd_cs4236_ext_out(chip, reg, val);
455 	spin_unlock_irqrestore(&chip->reg_lock, flags);
456 	return change;
457 }
458 
459 #define CS4236_SINGLEC(xname, xindex, reg, shift, mask, invert) \
460 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
461   .info = snd_cs4236_info_single, \
462   .get = snd_cs4236_get_singlec, .put = snd_cs4236_put_singlec, \
463   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
464 
465 static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
466 {
467 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
468 	unsigned long flags;
469 	int reg = kcontrol->private_value & 0xff;
470 	int shift = (kcontrol->private_value >> 8) & 0xff;
471 	int mask = (kcontrol->private_value >> 16) & 0xff;
472 	int invert = (kcontrol->private_value >> 24) & 0xff;
473 
474 	spin_lock_irqsave(&chip->reg_lock, flags);
475 	ucontrol->value.integer.value[0] = (chip->cimage[reg] >> shift) & mask;
476 	spin_unlock_irqrestore(&chip->reg_lock, flags);
477 	if (invert)
478 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
479 	return 0;
480 }
481 
482 static int snd_cs4236_put_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
483 {
484 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
485 	unsigned long flags;
486 	int reg = kcontrol->private_value & 0xff;
487 	int shift = (kcontrol->private_value >> 8) & 0xff;
488 	int mask = (kcontrol->private_value >> 16) & 0xff;
489 	int invert = (kcontrol->private_value >> 24) & 0xff;
490 	int change;
491 	unsigned short val;
492 
493 	val = (ucontrol->value.integer.value[0] & mask);
494 	if (invert)
495 		val = mask - val;
496 	val <<= shift;
497 	spin_lock_irqsave(&chip->reg_lock, flags);
498 	val = (chip->cimage[reg] & ~(mask << shift)) | val;
499 	change = val != chip->cimage[reg];
500 	snd_cs4236_ctrl_out(chip, reg, val);
501 	spin_unlock_irqrestore(&chip->reg_lock, flags);
502 	return change;
503 }
504 
505 #define CS4236_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
506 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
507   .info = snd_cs4236_info_double, \
508   .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
509   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
510 
511 #define CS4236_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, \
512 			  shift_right, mask, invert, xtlv) \
513 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
514   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
515   .info = snd_cs4236_info_double, \
516   .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
517   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
518 		   (shift_right << 19) | (mask << 24) | (invert << 22), \
519   .tlv = { .p = (xtlv) } }
520 
521 static int snd_cs4236_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
522 {
523 	int mask = (kcontrol->private_value >> 24) & 0xff;
524 
525 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
526 	uinfo->count = 2;
527 	uinfo->value.integer.min = 0;
528 	uinfo->value.integer.max = mask;
529 	return 0;
530 }
531 
532 static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
533 {
534 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
535 	unsigned long flags;
536 	int left_reg = kcontrol->private_value & 0xff;
537 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
538 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
539 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
540 	int mask = (kcontrol->private_value >> 24) & 0xff;
541 	int invert = (kcontrol->private_value >> 22) & 1;
542 
543 	spin_lock_irqsave(&chip->reg_lock, flags);
544 	ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(left_reg)] >> shift_left) & mask;
545 	ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
546 	spin_unlock_irqrestore(&chip->reg_lock, flags);
547 	if (invert) {
548 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
549 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
550 	}
551 	return 0;
552 }
553 
554 static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
555 {
556 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
557 	unsigned long flags;
558 	int left_reg = kcontrol->private_value & 0xff;
559 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
560 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
561 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
562 	int mask = (kcontrol->private_value >> 24) & 0xff;
563 	int invert = (kcontrol->private_value >> 22) & 1;
564 	int change;
565 	unsigned short val1, val2;
566 
567 	val1 = ucontrol->value.integer.value[0] & mask;
568 	val2 = ucontrol->value.integer.value[1] & mask;
569 	if (invert) {
570 		val1 = mask - val1;
571 		val2 = mask - val2;
572 	}
573 	val1 <<= shift_left;
574 	val2 <<= shift_right;
575 	spin_lock_irqsave(&chip->reg_lock, flags);
576 	if (left_reg != right_reg) {
577 		val1 = (chip->eimage[CS4236_REG(left_reg)] & ~(mask << shift_left)) | val1;
578 		val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
579 		change = val1 != chip->eimage[CS4236_REG(left_reg)] || val2 != chip->eimage[CS4236_REG(right_reg)];
580 		snd_cs4236_ext_out(chip, left_reg, val1);
581 		snd_cs4236_ext_out(chip, right_reg, val2);
582 	} else {
583 		val1 = (chip->eimage[CS4236_REG(left_reg)] & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
584 		change = val1 != chip->eimage[CS4236_REG(left_reg)];
585 		snd_cs4236_ext_out(chip, left_reg, val1);
586 	}
587 	spin_unlock_irqrestore(&chip->reg_lock, flags);
588 	return change;
589 }
590 
591 #define CS4236_DOUBLE1(xname, xindex, left_reg, right_reg, shift_left, \
592 			shift_right, mask, invert) \
593 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
594   .info = snd_cs4236_info_double, \
595   .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
596   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
597 
598 #define CS4236_DOUBLE1_TLV(xname, xindex, left_reg, right_reg, shift_left, \
599 			   shift_right, mask, invert, xtlv) \
600 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
601   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
602   .info = snd_cs4236_info_double, \
603   .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
604   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
605 		   (shift_right << 19) | (mask << 24) | (invert << 22), \
606   .tlv = { .p = (xtlv) } }
607 
608 static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
609 {
610 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
611 	unsigned long flags;
612 	int left_reg = kcontrol->private_value & 0xff;
613 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
614 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
615 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
616 	int mask = (kcontrol->private_value >> 24) & 0xff;
617 	int invert = (kcontrol->private_value >> 22) & 1;
618 
619 	spin_lock_irqsave(&chip->reg_lock, flags);
620 	ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
621 	ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
622 	spin_unlock_irqrestore(&chip->reg_lock, flags);
623 	if (invert) {
624 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
625 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
626 	}
627 	return 0;
628 }
629 
630 static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
631 {
632 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
633 	unsigned long flags;
634 	int left_reg = kcontrol->private_value & 0xff;
635 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
636 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
637 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
638 	int mask = (kcontrol->private_value >> 24) & 0xff;
639 	int invert = (kcontrol->private_value >> 22) & 1;
640 	int change;
641 	unsigned short val1, val2;
642 
643 	val1 = ucontrol->value.integer.value[0] & mask;
644 	val2 = ucontrol->value.integer.value[1] & mask;
645 	if (invert) {
646 		val1 = mask - val1;
647 		val2 = mask - val2;
648 	}
649 	val1 <<= shift_left;
650 	val2 <<= shift_right;
651 	spin_lock_irqsave(&chip->reg_lock, flags);
652 	val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
653 	val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
654 	change = val1 != chip->image[left_reg] || val2 != chip->eimage[CS4236_REG(right_reg)];
655 	snd_wss_out(chip, left_reg, val1);
656 	snd_cs4236_ext_out(chip, right_reg, val2);
657 	spin_unlock_irqrestore(&chip->reg_lock, flags);
658 	return change;
659 }
660 
661 #define CS4236_MASTER_DIGITAL(xname, xindex, xtlv) \
662 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
663   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
664   .info = snd_cs4236_info_double, \
665   .get = snd_cs4236_get_master_digital, .put = snd_cs4236_put_master_digital, \
666   .private_value = 71 << 24, \
667   .tlv = { .p = (xtlv) } }
668 
669 static inline int snd_cs4236_mixer_master_digital_invert_volume(int vol)
670 {
671 	return (vol < 64) ? 63 - vol : 64 + (71 - vol);
672 }
673 
674 static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
675 {
676 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
677 	unsigned long flags;
678 
679 	spin_lock_irqsave(&chip->reg_lock, flags);
680 	ucontrol->value.integer.value[0] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & 0x7f);
681 	ucontrol->value.integer.value[1] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & 0x7f);
682 	spin_unlock_irqrestore(&chip->reg_lock, flags);
683 	return 0;
684 }
685 
686 static int snd_cs4236_put_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
687 {
688 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
689 	unsigned long flags;
690 	int change;
691 	unsigned short val1, val2;
692 
693 	val1 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[0] & 0x7f);
694 	val2 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[1] & 0x7f);
695 	spin_lock_irqsave(&chip->reg_lock, flags);
696 	val1 = (chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & ~0x7f) | val1;
697 	val2 = (chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & ~0x7f) | val2;
698 	change = val1 != chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] || val2 != chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)];
699 	snd_cs4236_ext_out(chip, CS4236_LEFT_MASTER, val1);
700 	snd_cs4236_ext_out(chip, CS4236_RIGHT_MASTER, val2);
701 	spin_unlock_irqrestore(&chip->reg_lock, flags);
702 	return change;
703 }
704 
705 #define CS4235_OUTPUT_ACCU(xname, xindex, xtlv) \
706 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
707   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
708   .info = snd_cs4236_info_double, \
709   .get = snd_cs4235_get_output_accu, .put = snd_cs4235_put_output_accu, \
710   .private_value = 3 << 24, \
711   .tlv = { .p = (xtlv) } }
712 
713 static inline int snd_cs4235_mixer_output_accu_get_volume(int vol)
714 {
715 	switch ((vol >> 5) & 3) {
716 	case 0: return 1;
717 	case 1: return 3;
718 	case 2: return 2;
719 	case 3: return 0;
720  	}
721 	return 3;
722 }
723 
724 static inline int snd_cs4235_mixer_output_accu_set_volume(int vol)
725 {
726 	switch (vol & 3) {
727 	case 0: return 3 << 5;
728 	case 1: return 0 << 5;
729 	case 2: return 2 << 5;
730 	case 3: return 1 << 5;
731 	}
732 	return 1 << 5;
733 }
734 
735 static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
736 {
737 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
738 	unsigned long flags;
739 
740 	spin_lock_irqsave(&chip->reg_lock, flags);
741 	ucontrol->value.integer.value[0] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_LEFT_MASTER]);
742 	ucontrol->value.integer.value[1] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_RIGHT_MASTER]);
743 	spin_unlock_irqrestore(&chip->reg_lock, flags);
744 	return 0;
745 }
746 
747 static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
748 {
749 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
750 	unsigned long flags;
751 	int change;
752 	unsigned short val1, val2;
753 
754 	val1 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[0]);
755 	val2 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[1]);
756 	spin_lock_irqsave(&chip->reg_lock, flags);
757 	val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1;
758 	val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2;
759 	change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER];
760 	snd_wss_out(chip, CS4235_LEFT_MASTER, val1);
761 	snd_wss_out(chip, CS4235_RIGHT_MASTER, val2);
762 	spin_unlock_irqrestore(&chip->reg_lock, flags);
763 	return change;
764 }
765 
766 static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -9450, 150, 0);
767 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
768 static const DECLARE_TLV_DB_SCALE(db_scale_6bit_12db_max, -8250, 150, 0);
769 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
770 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_22db_max, -2400, 150, 0);
771 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
772 static const DECLARE_TLV_DB_SCALE(db_scale_2bit, -1800, 600, 0);
773 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
774 
775 static struct snd_kcontrol_new snd_cs4236_controls[] = {
776 
777 CS4236_DOUBLE("Master Digital Playback Switch", 0,
778 		CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
779 CS4236_DOUBLE("Master Digital Capture Switch", 0,
780 		CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
781 CS4236_MASTER_DIGITAL("Master Digital Volume", 0, db_scale_7bit),
782 
783 CS4236_DOUBLE_TLV("Capture Boost Volume", 0,
784 		  CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1,
785 		  db_scale_2bit),
786 
787 WSS_DOUBLE("PCM Playback Switch", 0,
788 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
789 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
790 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1,
791 		db_scale_6bit),
792 
793 CS4236_DOUBLE("DSP Playback Switch", 0,
794 		CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
795 CS4236_DOUBLE_TLV("DSP Playback Volume", 0,
796 		  CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1,
797 		  db_scale_6bit),
798 
799 CS4236_DOUBLE("FM Playback Switch", 0,
800 		CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
801 CS4236_DOUBLE_TLV("FM Playback Volume", 0,
802 		  CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1,
803 		  db_scale_6bit),
804 
805 CS4236_DOUBLE("Wavetable Playback Switch", 0,
806 		CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
807 CS4236_DOUBLE_TLV("Wavetable Playback Volume", 0,
808 		  CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1,
809 		  db_scale_6bit_12db_max),
810 
811 WSS_DOUBLE("Synth Playback Switch", 0,
812 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
813 WSS_DOUBLE_TLV("Synth Volume", 0,
814 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1,
815 		db_scale_5bit_12db_max),
816 WSS_DOUBLE("Synth Capture Switch", 0,
817 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
818 WSS_DOUBLE("Synth Capture Bypass", 0,
819 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1),
820 
821 CS4236_DOUBLE("Mic Playback Switch", 0,
822 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
823 CS4236_DOUBLE("Mic Capture Switch", 0,
824 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
825 CS4236_DOUBLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC,
826 		  0, 0, 31, 1, db_scale_5bit_22db_max),
827 CS4236_DOUBLE("Mic Playback Boost (+20dB)", 0,
828 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0),
829 
830 WSS_DOUBLE("Line Playback Switch", 0,
831 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
832 WSS_DOUBLE_TLV("Line Volume", 0,
833 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
834 		db_scale_5bit_12db_max),
835 WSS_DOUBLE("Line Capture Switch", 0,
836 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
837 WSS_DOUBLE("Line Capture Bypass", 0,
838 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1),
839 
840 WSS_DOUBLE("CD Playback Switch", 0,
841 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
842 WSS_DOUBLE_TLV("CD Volume", 0,
843 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
844 		db_scale_5bit_12db_max),
845 WSS_DOUBLE("CD Capture Switch", 0,
846 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
847 
848 CS4236_DOUBLE1("Mono Output Playback Switch", 0,
849 		CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),
850 CS4236_DOUBLE1("Beep Playback Switch", 0,
851 		CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
852 WSS_SINGLE_TLV("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1,
853 		db_scale_4bit),
854 WSS_SINGLE("Beep Bypass Playback Switch", 0, CS4231_MONO_CTRL, 5, 1, 0),
855 
856 WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT,
857 		0, 0, 15, 0, db_scale_rec_gain),
858 WSS_DOUBLE("Analog Loopback Capture Switch", 0,
859 		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
860 
861 WSS_SINGLE("Loopback Digital Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
862 CS4236_DOUBLE1_TLV("Loopback Digital Playback Volume", 0,
863 		   CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1,
864 		   db_scale_6bit),
865 };
866 
867 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_6db_max, -5600, 200, 0);
868 static const DECLARE_TLV_DB_SCALE(db_scale_2bit_16db_max, -2400, 800, 0);
869 
870 static struct snd_kcontrol_new snd_cs4235_controls[] = {
871 
872 WSS_DOUBLE("Master Playback Switch", 0,
873 		CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1),
874 WSS_DOUBLE_TLV("Master Playback Volume", 0,
875 		CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1,
876 		db_scale_5bit_6db_max),
877 
878 CS4235_OUTPUT_ACCU("Playback Volume", 0, db_scale_2bit_16db_max),
879 
880 WSS_DOUBLE("Synth Playback Switch", 1,
881 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
882 WSS_DOUBLE("Synth Capture Switch", 1,
883 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
884 WSS_DOUBLE_TLV("Synth Volume", 1,
885 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1,
886 		db_scale_5bit_12db_max),
887 
888 CS4236_DOUBLE_TLV("Capture Volume", 0,
889 		  CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1,
890 		  db_scale_2bit),
891 
892 WSS_DOUBLE("PCM Playback Switch", 0,
893 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
894 WSS_DOUBLE("PCM Capture Switch", 0,
895 		CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
896 WSS_DOUBLE_TLV("PCM Volume", 0,
897 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1,
898 		db_scale_6bit),
899 
900 CS4236_DOUBLE("DSP Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
901 
902 CS4236_DOUBLE("FM Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
903 
904 CS4236_DOUBLE("Wavetable Switch", 0,
905 		CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
906 
907 CS4236_DOUBLE("Mic Capture Switch", 0,
908 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
909 CS4236_DOUBLE("Mic Playback Switch", 0,
910 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
911 CS4236_SINGLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, 0, 31, 1,
912 		  db_scale_5bit_22db_max),
913 CS4236_SINGLE("Mic Boost (+20dB)", 0, CS4236_LEFT_MIC, 5, 1, 0),
914 
915 WSS_DOUBLE("Line Playback Switch", 0,
916 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
917 WSS_DOUBLE("Line Capture Switch", 0,
918 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
919 WSS_DOUBLE_TLV("Line Volume", 0,
920 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
921 		db_scale_5bit_12db_max),
922 
923 WSS_DOUBLE("CD Playback Switch", 1,
924 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
925 WSS_DOUBLE("CD Capture Switch", 1,
926 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
927 WSS_DOUBLE_TLV("CD Volume", 1,
928 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
929 		db_scale_5bit_12db_max),
930 
931 CS4236_DOUBLE1("Beep Playback Switch", 0,
932 		CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
933 WSS_SINGLE("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
934 
935 WSS_DOUBLE("Analog Loopback Switch", 0,
936 		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
937 };
938 
939 #define CS4236_IEC958_ENABLE(xname, xindex) \
940 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
941   .info = snd_cs4236_info_single, \
942   .get = snd_cs4236_get_iec958_switch, .put = snd_cs4236_put_iec958_switch, \
943   .private_value = 1 << 16 }
944 
945 static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
946 {
947 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
948 	unsigned long flags;
949 
950 	spin_lock_irqsave(&chip->reg_lock, flags);
951 	ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0;
952 #if 0
953 	printk(KERN_DEBUG "get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
954 	       "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
955 			snd_wss_in(chip, CS4231_ALT_FEATURE_1),
956 			snd_cs4236_ctrl_in(chip, 3),
957 			snd_cs4236_ctrl_in(chip, 4),
958 			snd_cs4236_ctrl_in(chip, 5),
959 			snd_cs4236_ctrl_in(chip, 6),
960 			snd_cs4236_ctrl_in(chip, 8));
961 #endif
962 	spin_unlock_irqrestore(&chip->reg_lock, flags);
963 	return 0;
964 }
965 
966 static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
967 {
968 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
969 	unsigned long flags;
970 	int change;
971 	unsigned short enable, val;
972 
973 	enable = ucontrol->value.integer.value[0] & 1;
974 
975 	mutex_lock(&chip->mce_mutex);
976 	snd_wss_mce_up(chip);
977 	spin_lock_irqsave(&chip->reg_lock, flags);
978 	val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
979 	change = val != chip->image[CS4231_ALT_FEATURE_1];
980 	snd_wss_out(chip, CS4231_ALT_FEATURE_1, val);
981 	val = snd_cs4236_ctrl_in(chip, 4) | 0xc0;
982 	snd_cs4236_ctrl_out(chip, 4, val);
983 	udelay(100);
984 	val &= ~0x40;
985 	snd_cs4236_ctrl_out(chip, 4, val);
986 	spin_unlock_irqrestore(&chip->reg_lock, flags);
987 	snd_wss_mce_down(chip);
988 	mutex_unlock(&chip->mce_mutex);
989 
990 #if 0
991 	printk(KERN_DEBUG "set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
992 	       "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
993 			snd_wss_in(chip, CS4231_ALT_FEATURE_1),
994 			snd_cs4236_ctrl_in(chip, 3),
995 			snd_cs4236_ctrl_in(chip, 4),
996 			snd_cs4236_ctrl_in(chip, 5),
997 			snd_cs4236_ctrl_in(chip, 6),
998 			snd_cs4236_ctrl_in(chip, 8));
999 #endif
1000 	return change;
1001 }
1002 
1003 static struct snd_kcontrol_new snd_cs4236_iec958_controls[] = {
1004 CS4236_IEC958_ENABLE("IEC958 Output Enable", 0),
1005 CS4236_SINGLEC("IEC958 Output Validity", 0, 4, 4, 1, 0),
1006 CS4236_SINGLEC("IEC958 Output User", 0, 4, 5, 1, 0),
1007 CS4236_SINGLEC("IEC958 Output CSBR", 0, 4, 6, 1, 0),
1008 CS4236_SINGLEC("IEC958 Output Channel Status Low", 0, 5, 1, 127, 0),
1009 CS4236_SINGLEC("IEC958 Output Channel Status High", 0, 6, 0, 255, 0)
1010 };
1011 
1012 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = {
1013 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
1014 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1)
1015 };
1016 
1017 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = {
1018 CS4236_SINGLEC("3D Control - Switch", 0, 3, 7, 1, 0),
1019 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
1020 CS4236_SINGLEC("3D Control - Center", 0, 2, 0, 15, 1),
1021 CS4236_SINGLEC("3D Control - Mono", 0, 3, 6, 1, 0),
1022 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
1023 };
1024 
1025 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = {
1026 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
1027 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
1028 CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1),
1029 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
1030 };
1031 
1032 int snd_cs4236_mixer(struct snd_wss *chip)
1033 {
1034 	struct snd_card *card;
1035 	unsigned int idx, count;
1036 	int err;
1037 	struct snd_kcontrol_new *kcontrol;
1038 
1039 	if (snd_BUG_ON(!chip || !chip->card))
1040 		return -EINVAL;
1041 	card = chip->card;
1042 	strcpy(card->mixername, snd_wss_chip_id(chip));
1043 
1044 	if (chip->hardware == WSS_HW_CS4235 ||
1045 	    chip->hardware == WSS_HW_CS4239) {
1046 		for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) {
1047 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0)
1048 				return err;
1049 		}
1050 	} else {
1051 		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_controls); idx++) {
1052 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip))) < 0)
1053 				return err;
1054 		}
1055 	}
1056 	switch (chip->hardware) {
1057 	case WSS_HW_CS4235:
1058 	case WSS_HW_CS4239:
1059 		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4235);
1060 		kcontrol = snd_cs4236_3d_controls_cs4235;
1061 		break;
1062 	case WSS_HW_CS4237B:
1063 		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4237);
1064 		kcontrol = snd_cs4236_3d_controls_cs4237;
1065 		break;
1066 	case WSS_HW_CS4238B:
1067 		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4238);
1068 		kcontrol = snd_cs4236_3d_controls_cs4238;
1069 		break;
1070 	default:
1071 		count = 0;
1072 		kcontrol = NULL;
1073 	}
1074 	for (idx = 0; idx < count; idx++, kcontrol++) {
1075 		if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0)
1076 			return err;
1077 	}
1078 	if (chip->hardware == WSS_HW_CS4237B ||
1079 	    chip->hardware == WSS_HW_CS4238B) {
1080 		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) {
1081 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0)
1082 				return err;
1083 		}
1084 	}
1085 	return 0;
1086 }
1087