xref: /openbmc/linux/sound/isa/cs423x/cs4236_lib.c (revision 12eb4683)
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 <asm/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 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 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, struct snd_pcm **rpcm)
380 {
381 	struct snd_pcm *pcm;
382 	int err;
383 
384 	err = snd_wss_pcm(chip, device, &pcm);
385 	if (err < 0)
386 		return err;
387 	pcm->info_flags &= ~SNDRV_PCM_INFO_JOINT_DUPLEX;
388 	if (rpcm)
389 		*rpcm = pcm;
390 	return 0;
391 }
392 
393 /*
394  *  MIXER
395  */
396 
397 #define CS4236_SINGLE(xname, xindex, reg, shift, mask, invert) \
398 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
399   .info = snd_cs4236_info_single, \
400   .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
401   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
402 
403 #define CS4236_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
404 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
405   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
406   .info = snd_cs4236_info_single, \
407   .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
408   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
409   .tlv = { .p = (xtlv) } }
410 
411 static int snd_cs4236_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
412 {
413 	int mask = (kcontrol->private_value >> 16) & 0xff;
414 
415 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
416 	uinfo->count = 1;
417 	uinfo->value.integer.min = 0;
418 	uinfo->value.integer.max = mask;
419 	return 0;
420 }
421 
422 static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
423 {
424 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
425 	unsigned long flags;
426 	int reg = kcontrol->private_value & 0xff;
427 	int shift = (kcontrol->private_value >> 8) & 0xff;
428 	int mask = (kcontrol->private_value >> 16) & 0xff;
429 	int invert = (kcontrol->private_value >> 24) & 0xff;
430 
431 	spin_lock_irqsave(&chip->reg_lock, flags);
432 	ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(reg)] >> shift) & mask;
433 	spin_unlock_irqrestore(&chip->reg_lock, flags);
434 	if (invert)
435 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
436 	return 0;
437 }
438 
439 static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
440 {
441 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
442 	unsigned long flags;
443 	int reg = kcontrol->private_value & 0xff;
444 	int shift = (kcontrol->private_value >> 8) & 0xff;
445 	int mask = (kcontrol->private_value >> 16) & 0xff;
446 	int invert = (kcontrol->private_value >> 24) & 0xff;
447 	int change;
448 	unsigned short val;
449 
450 	val = (ucontrol->value.integer.value[0] & mask);
451 	if (invert)
452 		val = mask - val;
453 	val <<= shift;
454 	spin_lock_irqsave(&chip->reg_lock, flags);
455 	val = (chip->eimage[CS4236_REG(reg)] & ~(mask << shift)) | val;
456 	change = val != chip->eimage[CS4236_REG(reg)];
457 	snd_cs4236_ext_out(chip, reg, val);
458 	spin_unlock_irqrestore(&chip->reg_lock, flags);
459 	return change;
460 }
461 
462 #define CS4236_SINGLEC(xname, xindex, reg, shift, mask, invert) \
463 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
464   .info = snd_cs4236_info_single, \
465   .get = snd_cs4236_get_singlec, .put = snd_cs4236_put_singlec, \
466   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
467 
468 static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
469 {
470 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
471 	unsigned long flags;
472 	int reg = kcontrol->private_value & 0xff;
473 	int shift = (kcontrol->private_value >> 8) & 0xff;
474 	int mask = (kcontrol->private_value >> 16) & 0xff;
475 	int invert = (kcontrol->private_value >> 24) & 0xff;
476 
477 	spin_lock_irqsave(&chip->reg_lock, flags);
478 	ucontrol->value.integer.value[0] = (chip->cimage[reg] >> shift) & mask;
479 	spin_unlock_irqrestore(&chip->reg_lock, flags);
480 	if (invert)
481 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
482 	return 0;
483 }
484 
485 static int snd_cs4236_put_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
486 {
487 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
488 	unsigned long flags;
489 	int reg = kcontrol->private_value & 0xff;
490 	int shift = (kcontrol->private_value >> 8) & 0xff;
491 	int mask = (kcontrol->private_value >> 16) & 0xff;
492 	int invert = (kcontrol->private_value >> 24) & 0xff;
493 	int change;
494 	unsigned short val;
495 
496 	val = (ucontrol->value.integer.value[0] & mask);
497 	if (invert)
498 		val = mask - val;
499 	val <<= shift;
500 	spin_lock_irqsave(&chip->reg_lock, flags);
501 	val = (chip->cimage[reg] & ~(mask << shift)) | val;
502 	change = val != chip->cimage[reg];
503 	snd_cs4236_ctrl_out(chip, reg, val);
504 	spin_unlock_irqrestore(&chip->reg_lock, flags);
505 	return change;
506 }
507 
508 #define CS4236_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
509 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
510   .info = snd_cs4236_info_double, \
511   .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
512   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
513 
514 #define CS4236_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, \
515 			  shift_right, mask, invert, xtlv) \
516 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
517   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
518   .info = snd_cs4236_info_double, \
519   .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
520   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
521 		   (shift_right << 19) | (mask << 24) | (invert << 22), \
522   .tlv = { .p = (xtlv) } }
523 
524 static int snd_cs4236_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
525 {
526 	int mask = (kcontrol->private_value >> 24) & 0xff;
527 
528 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
529 	uinfo->count = 2;
530 	uinfo->value.integer.min = 0;
531 	uinfo->value.integer.max = mask;
532 	return 0;
533 }
534 
535 static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
536 {
537 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
538 	unsigned long flags;
539 	int left_reg = kcontrol->private_value & 0xff;
540 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
541 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
542 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
543 	int mask = (kcontrol->private_value >> 24) & 0xff;
544 	int invert = (kcontrol->private_value >> 22) & 1;
545 
546 	spin_lock_irqsave(&chip->reg_lock, flags);
547 	ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(left_reg)] >> shift_left) & mask;
548 	ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
549 	spin_unlock_irqrestore(&chip->reg_lock, flags);
550 	if (invert) {
551 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
552 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
553 	}
554 	return 0;
555 }
556 
557 static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
558 {
559 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
560 	unsigned long flags;
561 	int left_reg = kcontrol->private_value & 0xff;
562 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
563 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
564 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
565 	int mask = (kcontrol->private_value >> 24) & 0xff;
566 	int invert = (kcontrol->private_value >> 22) & 1;
567 	int change;
568 	unsigned short val1, val2;
569 
570 	val1 = ucontrol->value.integer.value[0] & mask;
571 	val2 = ucontrol->value.integer.value[1] & mask;
572 	if (invert) {
573 		val1 = mask - val1;
574 		val2 = mask - val2;
575 	}
576 	val1 <<= shift_left;
577 	val2 <<= shift_right;
578 	spin_lock_irqsave(&chip->reg_lock, flags);
579 	if (left_reg != right_reg) {
580 		val1 = (chip->eimage[CS4236_REG(left_reg)] & ~(mask << shift_left)) | val1;
581 		val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
582 		change = val1 != chip->eimage[CS4236_REG(left_reg)] || val2 != chip->eimage[CS4236_REG(right_reg)];
583 		snd_cs4236_ext_out(chip, left_reg, val1);
584 		snd_cs4236_ext_out(chip, right_reg, val2);
585 	} else {
586 		val1 = (chip->eimage[CS4236_REG(left_reg)] & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
587 		change = val1 != chip->eimage[CS4236_REG(left_reg)];
588 		snd_cs4236_ext_out(chip, left_reg, val1);
589 	}
590 	spin_unlock_irqrestore(&chip->reg_lock, flags);
591 	return change;
592 }
593 
594 #define CS4236_DOUBLE1(xname, xindex, left_reg, right_reg, shift_left, \
595 			shift_right, mask, invert) \
596 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
597   .info = snd_cs4236_info_double, \
598   .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
599   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
600 
601 #define CS4236_DOUBLE1_TLV(xname, xindex, left_reg, right_reg, shift_left, \
602 			   shift_right, mask, invert, xtlv) \
603 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
604   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
605   .info = snd_cs4236_info_double, \
606   .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
607   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
608 		   (shift_right << 19) | (mask << 24) | (invert << 22), \
609   .tlv = { .p = (xtlv) } }
610 
611 static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
612 {
613 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
614 	unsigned long flags;
615 	int left_reg = kcontrol->private_value & 0xff;
616 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
617 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
618 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
619 	int mask = (kcontrol->private_value >> 24) & 0xff;
620 	int invert = (kcontrol->private_value >> 22) & 1;
621 
622 	spin_lock_irqsave(&chip->reg_lock, flags);
623 	ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
624 	ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
625 	spin_unlock_irqrestore(&chip->reg_lock, flags);
626 	if (invert) {
627 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
628 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
629 	}
630 	return 0;
631 }
632 
633 static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
634 {
635 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
636 	unsigned long flags;
637 	int left_reg = kcontrol->private_value & 0xff;
638 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
639 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
640 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
641 	int mask = (kcontrol->private_value >> 24) & 0xff;
642 	int invert = (kcontrol->private_value >> 22) & 1;
643 	int change;
644 	unsigned short val1, val2;
645 
646 	val1 = ucontrol->value.integer.value[0] & mask;
647 	val2 = ucontrol->value.integer.value[1] & mask;
648 	if (invert) {
649 		val1 = mask - val1;
650 		val2 = mask - val2;
651 	}
652 	val1 <<= shift_left;
653 	val2 <<= shift_right;
654 	spin_lock_irqsave(&chip->reg_lock, flags);
655 	val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
656 	val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
657 	change = val1 != chip->image[left_reg] || val2 != chip->eimage[CS4236_REG(right_reg)];
658 	snd_wss_out(chip, left_reg, val1);
659 	snd_cs4236_ext_out(chip, right_reg, val2);
660 	spin_unlock_irqrestore(&chip->reg_lock, flags);
661 	return change;
662 }
663 
664 #define CS4236_MASTER_DIGITAL(xname, xindex, xtlv) \
665 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
666   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
667   .info = snd_cs4236_info_double, \
668   .get = snd_cs4236_get_master_digital, .put = snd_cs4236_put_master_digital, \
669   .private_value = 71 << 24, \
670   .tlv = { .p = (xtlv) } }
671 
672 static inline int snd_cs4236_mixer_master_digital_invert_volume(int vol)
673 {
674 	return (vol < 64) ? 63 - vol : 64 + (71 - vol);
675 }
676 
677 static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
678 {
679 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
680 	unsigned long flags;
681 
682 	spin_lock_irqsave(&chip->reg_lock, flags);
683 	ucontrol->value.integer.value[0] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & 0x7f);
684 	ucontrol->value.integer.value[1] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & 0x7f);
685 	spin_unlock_irqrestore(&chip->reg_lock, flags);
686 	return 0;
687 }
688 
689 static int snd_cs4236_put_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
690 {
691 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
692 	unsigned long flags;
693 	int change;
694 	unsigned short val1, val2;
695 
696 	val1 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[0] & 0x7f);
697 	val2 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[1] & 0x7f);
698 	spin_lock_irqsave(&chip->reg_lock, flags);
699 	val1 = (chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & ~0x7f) | val1;
700 	val2 = (chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & ~0x7f) | val2;
701 	change = val1 != chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] || val2 != chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)];
702 	snd_cs4236_ext_out(chip, CS4236_LEFT_MASTER, val1);
703 	snd_cs4236_ext_out(chip, CS4236_RIGHT_MASTER, val2);
704 	spin_unlock_irqrestore(&chip->reg_lock, flags);
705 	return change;
706 }
707 
708 #define CS4235_OUTPUT_ACCU(xname, xindex, xtlv) \
709 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
710   .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
711   .info = snd_cs4236_info_double, \
712   .get = snd_cs4235_get_output_accu, .put = snd_cs4235_put_output_accu, \
713   .private_value = 3 << 24, \
714   .tlv = { .p = (xtlv) } }
715 
716 static inline int snd_cs4235_mixer_output_accu_get_volume(int vol)
717 {
718 	switch ((vol >> 5) & 3) {
719 	case 0: return 1;
720 	case 1: return 3;
721 	case 2: return 2;
722 	case 3: return 0;
723  	}
724 	return 3;
725 }
726 
727 static inline int snd_cs4235_mixer_output_accu_set_volume(int vol)
728 {
729 	switch (vol & 3) {
730 	case 0: return 3 << 5;
731 	case 1: return 0 << 5;
732 	case 2: return 2 << 5;
733 	case 3: return 1 << 5;
734 	}
735 	return 1 << 5;
736 }
737 
738 static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
739 {
740 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
741 	unsigned long flags;
742 
743 	spin_lock_irqsave(&chip->reg_lock, flags);
744 	ucontrol->value.integer.value[0] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_LEFT_MASTER]);
745 	ucontrol->value.integer.value[1] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_RIGHT_MASTER]);
746 	spin_unlock_irqrestore(&chip->reg_lock, flags);
747 	return 0;
748 }
749 
750 static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
751 {
752 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
753 	unsigned long flags;
754 	int change;
755 	unsigned short val1, val2;
756 
757 	val1 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[0]);
758 	val2 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[1]);
759 	spin_lock_irqsave(&chip->reg_lock, flags);
760 	val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1;
761 	val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2;
762 	change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER];
763 	snd_wss_out(chip, CS4235_LEFT_MASTER, val1);
764 	snd_wss_out(chip, CS4235_RIGHT_MASTER, val2);
765 	spin_unlock_irqrestore(&chip->reg_lock, flags);
766 	return change;
767 }
768 
769 static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -9450, 150, 0);
770 static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
771 static const DECLARE_TLV_DB_SCALE(db_scale_6bit_12db_max, -8250, 150, 0);
772 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
773 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_22db_max, -2400, 150, 0);
774 static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
775 static const DECLARE_TLV_DB_SCALE(db_scale_2bit, -1800, 600, 0);
776 static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);
777 
778 static struct snd_kcontrol_new snd_cs4236_controls[] = {
779 
780 CS4236_DOUBLE("Master Digital Playback Switch", 0,
781 		CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
782 CS4236_DOUBLE("Master Digital Capture Switch", 0,
783 		CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
784 CS4236_MASTER_DIGITAL("Master Digital Volume", 0, db_scale_7bit),
785 
786 CS4236_DOUBLE_TLV("Capture Boost Volume", 0,
787 		  CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1,
788 		  db_scale_2bit),
789 
790 WSS_DOUBLE("PCM Playback Switch", 0,
791 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
792 WSS_DOUBLE_TLV("PCM Playback Volume", 0,
793 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1,
794 		db_scale_6bit),
795 
796 CS4236_DOUBLE("DSP Playback Switch", 0,
797 		CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
798 CS4236_DOUBLE_TLV("DSP Playback Volume", 0,
799 		  CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1,
800 		  db_scale_6bit),
801 
802 CS4236_DOUBLE("FM Playback Switch", 0,
803 		CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
804 CS4236_DOUBLE_TLV("FM Playback Volume", 0,
805 		  CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1,
806 		  db_scale_6bit),
807 
808 CS4236_DOUBLE("Wavetable Playback Switch", 0,
809 		CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
810 CS4236_DOUBLE_TLV("Wavetable Playback Volume", 0,
811 		  CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1,
812 		  db_scale_6bit_12db_max),
813 
814 WSS_DOUBLE("Synth Playback Switch", 0,
815 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
816 WSS_DOUBLE_TLV("Synth Volume", 0,
817 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1,
818 		db_scale_5bit_12db_max),
819 WSS_DOUBLE("Synth Capture Switch", 0,
820 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
821 WSS_DOUBLE("Synth Capture Bypass", 0,
822 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1),
823 
824 CS4236_DOUBLE("Mic Playback Switch", 0,
825 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
826 CS4236_DOUBLE("Mic Capture Switch", 0,
827 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
828 CS4236_DOUBLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC,
829 		  0, 0, 31, 1, db_scale_5bit_22db_max),
830 CS4236_DOUBLE("Mic Playback Boost (+20dB)", 0,
831 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0),
832 
833 WSS_DOUBLE("Line Playback Switch", 0,
834 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
835 WSS_DOUBLE_TLV("Line Volume", 0,
836 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
837 		db_scale_5bit_12db_max),
838 WSS_DOUBLE("Line Capture Switch", 0,
839 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
840 WSS_DOUBLE("Line Capture Bypass", 0,
841 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1),
842 
843 WSS_DOUBLE("CD Playback Switch", 0,
844 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
845 WSS_DOUBLE_TLV("CD Volume", 0,
846 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
847 		db_scale_5bit_12db_max),
848 WSS_DOUBLE("CD Capture Switch", 0,
849 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
850 
851 CS4236_DOUBLE1("Mono Output Playback Switch", 0,
852 		CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),
853 CS4236_DOUBLE1("Beep Playback Switch", 0,
854 		CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
855 WSS_SINGLE_TLV("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1,
856 		db_scale_4bit),
857 WSS_SINGLE("Beep Bypass Playback Switch", 0, CS4231_MONO_CTRL, 5, 1, 0),
858 
859 WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT,
860 		0, 0, 15, 0, db_scale_rec_gain),
861 WSS_DOUBLE("Analog Loopback Capture Switch", 0,
862 		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
863 
864 WSS_SINGLE("Loopback Digital Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
865 CS4236_DOUBLE1_TLV("Loopback Digital Playback Volume", 0,
866 		   CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1,
867 		   db_scale_6bit),
868 };
869 
870 static const DECLARE_TLV_DB_SCALE(db_scale_5bit_6db_max, -5600, 200, 0);
871 static const DECLARE_TLV_DB_SCALE(db_scale_2bit_16db_max, -2400, 800, 0);
872 
873 static struct snd_kcontrol_new snd_cs4235_controls[] = {
874 
875 WSS_DOUBLE("Master Playback Switch", 0,
876 		CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1),
877 WSS_DOUBLE_TLV("Master Playback Volume", 0,
878 		CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1,
879 		db_scale_5bit_6db_max),
880 
881 CS4235_OUTPUT_ACCU("Playback Volume", 0, db_scale_2bit_16db_max),
882 
883 WSS_DOUBLE("Synth Playback Switch", 1,
884 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
885 WSS_DOUBLE("Synth Capture Switch", 1,
886 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
887 WSS_DOUBLE_TLV("Synth Volume", 1,
888 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1,
889 		db_scale_5bit_12db_max),
890 
891 CS4236_DOUBLE_TLV("Capture Volume", 0,
892 		  CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1,
893 		  db_scale_2bit),
894 
895 WSS_DOUBLE("PCM Playback Switch", 0,
896 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
897 WSS_DOUBLE("PCM Capture Switch", 0,
898 		CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
899 WSS_DOUBLE_TLV("PCM Volume", 0,
900 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1,
901 		db_scale_6bit),
902 
903 CS4236_DOUBLE("DSP Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
904 
905 CS4236_DOUBLE("FM Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
906 
907 CS4236_DOUBLE("Wavetable Switch", 0,
908 		CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
909 
910 CS4236_DOUBLE("Mic Capture Switch", 0,
911 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
912 CS4236_DOUBLE("Mic Playback Switch", 0,
913 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
914 CS4236_SINGLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, 0, 31, 1,
915 		  db_scale_5bit_22db_max),
916 CS4236_SINGLE("Mic Boost (+20dB)", 0, CS4236_LEFT_MIC, 5, 1, 0),
917 
918 WSS_DOUBLE("Line Playback Switch", 0,
919 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
920 WSS_DOUBLE("Line Capture Switch", 0,
921 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
922 WSS_DOUBLE_TLV("Line Volume", 0,
923 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
924 		db_scale_5bit_12db_max),
925 
926 WSS_DOUBLE("CD Playback Switch", 1,
927 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
928 WSS_DOUBLE("CD Capture Switch", 1,
929 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
930 WSS_DOUBLE_TLV("CD Volume", 1,
931 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
932 		db_scale_5bit_12db_max),
933 
934 CS4236_DOUBLE1("Beep Playback Switch", 0,
935 		CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
936 WSS_SINGLE("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
937 
938 WSS_DOUBLE("Analog Loopback Switch", 0,
939 		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
940 };
941 
942 #define CS4236_IEC958_ENABLE(xname, xindex) \
943 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
944   .info = snd_cs4236_info_single, \
945   .get = snd_cs4236_get_iec958_switch, .put = snd_cs4236_put_iec958_switch, \
946   .private_value = 1 << 16 }
947 
948 static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
949 {
950 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
951 	unsigned long flags;
952 
953 	spin_lock_irqsave(&chip->reg_lock, flags);
954 	ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0;
955 #if 0
956 	printk(KERN_DEBUG "get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
957 	       "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
958 			snd_wss_in(chip, CS4231_ALT_FEATURE_1),
959 			snd_cs4236_ctrl_in(chip, 3),
960 			snd_cs4236_ctrl_in(chip, 4),
961 			snd_cs4236_ctrl_in(chip, 5),
962 			snd_cs4236_ctrl_in(chip, 6),
963 			snd_cs4236_ctrl_in(chip, 8));
964 #endif
965 	spin_unlock_irqrestore(&chip->reg_lock, flags);
966 	return 0;
967 }
968 
969 static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
970 {
971 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
972 	unsigned long flags;
973 	int change;
974 	unsigned short enable, val;
975 
976 	enable = ucontrol->value.integer.value[0] & 1;
977 
978 	mutex_lock(&chip->mce_mutex);
979 	snd_wss_mce_up(chip);
980 	spin_lock_irqsave(&chip->reg_lock, flags);
981 	val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
982 	change = val != chip->image[CS4231_ALT_FEATURE_1];
983 	snd_wss_out(chip, CS4231_ALT_FEATURE_1, val);
984 	val = snd_cs4236_ctrl_in(chip, 4) | 0xc0;
985 	snd_cs4236_ctrl_out(chip, 4, val);
986 	udelay(100);
987 	val &= ~0x40;
988 	snd_cs4236_ctrl_out(chip, 4, val);
989 	spin_unlock_irqrestore(&chip->reg_lock, flags);
990 	snd_wss_mce_down(chip);
991 	mutex_unlock(&chip->mce_mutex);
992 
993 #if 0
994 	printk(KERN_DEBUG "set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
995 	       "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
996 			snd_wss_in(chip, CS4231_ALT_FEATURE_1),
997 			snd_cs4236_ctrl_in(chip, 3),
998 			snd_cs4236_ctrl_in(chip, 4),
999 			snd_cs4236_ctrl_in(chip, 5),
1000 			snd_cs4236_ctrl_in(chip, 6),
1001 			snd_cs4236_ctrl_in(chip, 8));
1002 #endif
1003 	return change;
1004 }
1005 
1006 static struct snd_kcontrol_new snd_cs4236_iec958_controls[] = {
1007 CS4236_IEC958_ENABLE("IEC958 Output Enable", 0),
1008 CS4236_SINGLEC("IEC958 Output Validity", 0, 4, 4, 1, 0),
1009 CS4236_SINGLEC("IEC958 Output User", 0, 4, 5, 1, 0),
1010 CS4236_SINGLEC("IEC958 Output CSBR", 0, 4, 6, 1, 0),
1011 CS4236_SINGLEC("IEC958 Output Channel Status Low", 0, 5, 1, 127, 0),
1012 CS4236_SINGLEC("IEC958 Output Channel Status High", 0, 6, 0, 255, 0)
1013 };
1014 
1015 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = {
1016 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
1017 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1)
1018 };
1019 
1020 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = {
1021 CS4236_SINGLEC("3D Control - Switch", 0, 3, 7, 1, 0),
1022 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
1023 CS4236_SINGLEC("3D Control - Center", 0, 2, 0, 15, 1),
1024 CS4236_SINGLEC("3D Control - Mono", 0, 3, 6, 1, 0),
1025 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
1026 };
1027 
1028 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = {
1029 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
1030 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
1031 CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1),
1032 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
1033 };
1034 
1035 int snd_cs4236_mixer(struct snd_wss *chip)
1036 {
1037 	struct snd_card *card;
1038 	unsigned int idx, count;
1039 	int err;
1040 	struct snd_kcontrol_new *kcontrol;
1041 
1042 	if (snd_BUG_ON(!chip || !chip->card))
1043 		return -EINVAL;
1044 	card = chip->card;
1045 	strcpy(card->mixername, snd_wss_chip_id(chip));
1046 
1047 	if (chip->hardware == WSS_HW_CS4235 ||
1048 	    chip->hardware == WSS_HW_CS4239) {
1049 		for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) {
1050 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0)
1051 				return err;
1052 		}
1053 	} else {
1054 		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_controls); idx++) {
1055 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip))) < 0)
1056 				return err;
1057 		}
1058 	}
1059 	switch (chip->hardware) {
1060 	case WSS_HW_CS4235:
1061 	case WSS_HW_CS4239:
1062 		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4235);
1063 		kcontrol = snd_cs4236_3d_controls_cs4235;
1064 		break;
1065 	case WSS_HW_CS4237B:
1066 		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4237);
1067 		kcontrol = snd_cs4236_3d_controls_cs4237;
1068 		break;
1069 	case WSS_HW_CS4238B:
1070 		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4238);
1071 		kcontrol = snd_cs4236_3d_controls_cs4238;
1072 		break;
1073 	default:
1074 		count = 0;
1075 		kcontrol = NULL;
1076 	}
1077 	for (idx = 0; idx < count; idx++, kcontrol++) {
1078 		if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0)
1079 			return err;
1080 	}
1081 	if (chip->hardware == WSS_HW_CS4237B ||
1082 	    chip->hardware == WSS_HW_CS4238B) {
1083 		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) {
1084 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0)
1085 				return err;
1086 		}
1087 	}
1088 	return 0;
1089 }
1090