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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 
91 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
92 MODULE_DESCRIPTION("Routines for control of CS4235/4236B/4237B/4238B/4239 chips");
93 MODULE_LICENSE("GPL");
94 
95 /*
96  *
97  */
98 
99 static unsigned char snd_cs4236_ext_map[18] = {
100 	/* CS4236_LEFT_LINE */		0xff,
101 	/* CS4236_RIGHT_LINE */		0xff,
102 	/* CS4236_LEFT_MIC */		0xdf,
103 	/* CS4236_RIGHT_MIC */		0xdf,
104 	/* CS4236_LEFT_MIX_CTRL */	0xe0 | 0x18,
105 	/* CS4236_RIGHT_MIX_CTRL */	0xe0,
106 	/* CS4236_LEFT_FM */		0xbf,
107 	/* CS4236_RIGHT_FM */		0xbf,
108 	/* CS4236_LEFT_DSP */		0xbf,
109 	/* CS4236_RIGHT_DSP */		0xbf,
110 	/* CS4236_RIGHT_LOOPBACK */	0xbf,
111 	/* CS4236_DAC_MUTE */		0xe0,
112 	/* CS4236_ADC_RATE */		0x01,	/* 48kHz */
113 	/* CS4236_DAC_RATE */		0x01,	/* 48kHz */
114 	/* CS4236_LEFT_MASTER */	0xbf,
115 	/* CS4236_RIGHT_MASTER */	0xbf,
116 	/* CS4236_LEFT_WAVE */		0xbf,
117 	/* CS4236_RIGHT_WAVE */		0xbf
118 };
119 
120 /*
121  *
122  */
123 
snd_cs4236_ctrl_out(struct snd_wss * chip,unsigned char reg,unsigned char val)124 static void snd_cs4236_ctrl_out(struct snd_wss *chip,
125 				unsigned char reg, unsigned char val)
126 {
127 	outb(reg, chip->cport + 3);
128 	outb(chip->cimage[reg] = val, chip->cport + 4);
129 }
130 
snd_cs4236_ctrl_in(struct snd_wss * chip,unsigned char reg)131 static unsigned char snd_cs4236_ctrl_in(struct snd_wss *chip, unsigned char reg)
132 {
133 	outb(reg, chip->cport + 3);
134 	return inb(chip->cport + 4);
135 }
136 
137 /*
138  *  PCM
139  */
140 
141 #define CLOCKS 8
142 
143 static struct snd_ratnum clocks[CLOCKS] = {
144 	{ .num = 16934400, .den_min = 353, .den_max = 353, .den_step = 1 },
145 	{ .num = 16934400, .den_min = 529, .den_max = 529, .den_step = 1 },
146 	{ .num = 16934400, .den_min = 617, .den_max = 617, .den_step = 1 },
147 	{ .num = 16934400, .den_min = 1058, .den_max = 1058, .den_step = 1 },
148 	{ .num = 16934400, .den_min = 1764, .den_max = 1764, .den_step = 1 },
149 	{ .num = 16934400, .den_min = 2117, .den_max = 2117, .den_step = 1 },
150 	{ .num = 16934400, .den_min = 2558, .den_max = 2558, .den_step = 1 },
151 	{ .num = 16934400/16, .den_min = 21, .den_max = 192, .den_step = 1 }
152 };
153 
154 static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
155 	.nrats = CLOCKS,
156 	.rats = clocks,
157 };
158 
snd_cs4236_xrate(struct snd_pcm_runtime * runtime)159 static int snd_cs4236_xrate(struct snd_pcm_runtime *runtime)
160 {
161 	return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
162 					     &hw_constraints_clocks);
163 }
164 
divisor_to_rate_register(unsigned int divisor)165 static unsigned char divisor_to_rate_register(unsigned int divisor)
166 {
167 	switch (divisor) {
168 	case 353:	return 1;
169 	case 529:	return 2;
170 	case 617:	return 3;
171 	case 1058:	return 4;
172 	case 1764:	return 5;
173 	case 2117:	return 6;
174 	case 2558:	return 7;
175 	default:
176 		if (divisor < 21 || divisor > 192) {
177 			snd_BUG();
178 			return 192;
179 		}
180 		return divisor;
181 	}
182 }
183 
snd_cs4236_playback_format(struct snd_wss * chip,struct snd_pcm_hw_params * params,unsigned char pdfr)184 static void snd_cs4236_playback_format(struct snd_wss *chip,
185 				       struct snd_pcm_hw_params *params,
186 				       unsigned char pdfr)
187 {
188 	unsigned long flags;
189 	unsigned char rate = divisor_to_rate_register(params->rate_den);
190 
191 	spin_lock_irqsave(&chip->reg_lock, flags);
192 	/* set fast playback format change and clean playback FIFO */
193 	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
194 		    chip->image[CS4231_ALT_FEATURE_1] | 0x10);
195 	snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr & 0xf0);
196 	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
197 		    chip->image[CS4231_ALT_FEATURE_1] & ~0x10);
198 	snd_cs4236_ext_out(chip, CS4236_DAC_RATE, rate);
199 	spin_unlock_irqrestore(&chip->reg_lock, flags);
200 }
201 
snd_cs4236_capture_format(struct snd_wss * chip,struct snd_pcm_hw_params * params,unsigned char cdfr)202 static void snd_cs4236_capture_format(struct snd_wss *chip,
203 				      struct snd_pcm_hw_params *params,
204 				      unsigned char cdfr)
205 {
206 	unsigned long flags;
207 	unsigned char rate = divisor_to_rate_register(params->rate_den);
208 
209 	spin_lock_irqsave(&chip->reg_lock, flags);
210 	/* set fast capture format change and clean capture FIFO */
211 	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
212 		    chip->image[CS4231_ALT_FEATURE_1] | 0x20);
213 	snd_wss_out(chip, CS4231_REC_FORMAT, cdfr & 0xf0);
214 	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
215 		    chip->image[CS4231_ALT_FEATURE_1] & ~0x20);
216 	snd_cs4236_ext_out(chip, CS4236_ADC_RATE, rate);
217 	spin_unlock_irqrestore(&chip->reg_lock, flags);
218 }
219 
220 #ifdef CONFIG_PM
221 
snd_cs4236_suspend(struct snd_wss * chip)222 static void snd_cs4236_suspend(struct snd_wss *chip)
223 {
224 	int reg;
225 	unsigned long flags;
226 
227 	spin_lock_irqsave(&chip->reg_lock, flags);
228 	for (reg = 0; reg < 32; reg++)
229 		chip->image[reg] = snd_wss_in(chip, reg);
230 	for (reg = 0; reg < 18; reg++)
231 		chip->eimage[reg] = snd_cs4236_ext_in(chip, CS4236_I23VAL(reg));
232 	for (reg = 2; reg < 9; reg++)
233 		chip->cimage[reg] = snd_cs4236_ctrl_in(chip, reg);
234 	spin_unlock_irqrestore(&chip->reg_lock, flags);
235 }
236 
snd_cs4236_resume(struct snd_wss * chip)237 static void snd_cs4236_resume(struct snd_wss *chip)
238 {
239 	int reg;
240 	unsigned long flags;
241 
242 	snd_wss_mce_up(chip);
243 	spin_lock_irqsave(&chip->reg_lock, flags);
244 	for (reg = 0; reg < 32; reg++) {
245 		switch (reg) {
246 		case CS4236_EXT_REG:
247 		case CS4231_VERSION:
248 		case 27:	/* why? CS4235 - master left */
249 		case 29:	/* why? CS4235 - master right */
250 			break;
251 		default:
252 			snd_wss_out(chip, reg, chip->image[reg]);
253 			break;
254 		}
255 	}
256 	for (reg = 0; reg < 18; reg++)
257 		snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), chip->eimage[reg]);
258 	for (reg = 2; reg < 9; reg++) {
259 		switch (reg) {
260 		case 7:
261 			break;
262 		default:
263 			snd_cs4236_ctrl_out(chip, reg, chip->cimage[reg]);
264 		}
265 	}
266 	spin_unlock_irqrestore(&chip->reg_lock, flags);
267 	snd_wss_mce_down(chip);
268 }
269 
270 #endif /* CONFIG_PM */
271 
snd_cs4236_create(struct snd_card * card,unsigned long port,unsigned long cport,int irq,int dma1,int dma2,unsigned short hardware,unsigned short hwshare,struct snd_wss ** rchip)272 int snd_cs4236_create(struct snd_card *card,
273 		      unsigned long port,
274 		      unsigned long cport,
275 		      int irq, int dma1, int dma2,
276 		      unsigned short hardware,
277 		      unsigned short hwshare,
278 		      struct snd_wss **rchip)
279 {
280 	struct snd_wss *chip;
281 	unsigned char ver1, ver2;
282 	unsigned int reg;
283 	int err;
284 
285 	*rchip = NULL;
286 	if (hardware == WSS_HW_DETECT)
287 		hardware = WSS_HW_DETECT3;
288 	if (cport < 0x100) {
289 		snd_printk("please, specify control port for CS4236+ chips\n");
290 		return -ENODEV;
291 	}
292 	err = snd_wss_create(card, port, cport,
293 			     irq, dma1, dma2, hardware, hwshare, &chip);
294 	if (err < 0)
295 		return err;
296 
297 	if (!(chip->hardware & WSS_HW_CS4236B_MASK)) {
298 	        snd_printk("CS4236+: MODE3 and extended registers not available, hardware=0x%x\n",chip->hardware);
299 		snd_device_free(card, chip);
300 		return -ENODEV;
301 	}
302 #if 0
303 	{
304 		int idx;
305 		for (idx = 0; idx < 8; idx++)
306 			snd_printk("CD%i = 0x%x\n", idx, inb(chip->cport + idx));
307 		for (idx = 0; idx < 9; idx++)
308 			snd_printk("C%i = 0x%x\n", idx, snd_cs4236_ctrl_in(chip, idx));
309 	}
310 #endif
311 	ver1 = snd_cs4236_ctrl_in(chip, 1);
312 	ver2 = snd_cs4236_ext_in(chip, CS4236_VERSION);
313 	snd_printdd("CS4236: [0x%lx] C1 (version) = 0x%x, ext = 0x%x\n", cport, ver1, ver2);
314 	if (ver1 != ver2) {
315 		snd_printk("CS4236+ chip detected, but control port 0x%lx is not valid\n", cport);
316 		snd_device_free(card, chip);
317 		return -ENODEV;
318 	}
319 	snd_cs4236_ctrl_out(chip, 0, 0x00);
320 	snd_cs4236_ctrl_out(chip, 2, 0xff);
321 	snd_cs4236_ctrl_out(chip, 3, 0x00);
322 	snd_cs4236_ctrl_out(chip, 4, 0x80);
323 	snd_cs4236_ctrl_out(chip, 5, ((IEC958_AES1_CON_PCM_CODER & 3) << 6) | IEC958_AES0_CON_EMPHASIS_NONE);
324 	snd_cs4236_ctrl_out(chip, 6, IEC958_AES1_CON_PCM_CODER >> 2);
325 	snd_cs4236_ctrl_out(chip, 7, 0x00);
326 	/* 0x8c for C8 is valid for Turtle Beach Malibu - the IEC-958 output */
327 	/* is working with this setup, other hardware should have */
328 	/* different signal paths and this value should be selectable */
329 	/* in the future */
330 	snd_cs4236_ctrl_out(chip, 8, 0x8c);
331 	chip->rate_constraint = snd_cs4236_xrate;
332 	chip->set_playback_format = snd_cs4236_playback_format;
333 	chip->set_capture_format = snd_cs4236_capture_format;
334 #ifdef CONFIG_PM
335 	chip->suspend = snd_cs4236_suspend;
336 	chip->resume = snd_cs4236_resume;
337 #endif
338 
339 	/* initialize extended registers */
340 	for (reg = 0; reg < sizeof(snd_cs4236_ext_map); reg++)
341 		snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), snd_cs4236_ext_map[reg]);
342 
343         /* initialize compatible but more featured registers */
344 	snd_wss_out(chip, CS4231_LEFT_INPUT, 0x40);
345 	snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x40);
346 	snd_wss_out(chip, CS4231_AUX1_LEFT_INPUT, 0xff);
347 	snd_wss_out(chip, CS4231_AUX1_RIGHT_INPUT, 0xff);
348 	snd_wss_out(chip, CS4231_AUX2_LEFT_INPUT, 0xdf);
349 	snd_wss_out(chip, CS4231_AUX2_RIGHT_INPUT, 0xdf);
350 	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
351 	snd_wss_out(chip, CS4231_LEFT_LINE_IN, 0xff);
352 	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
353 	switch (chip->hardware) {
354 	case WSS_HW_CS4235:
355 	case WSS_HW_CS4239:
356 		snd_wss_out(chip, CS4235_LEFT_MASTER, 0xff);
357 		snd_wss_out(chip, CS4235_RIGHT_MASTER, 0xff);
358 		break;
359 	}
360 
361 	*rchip = chip;
362 	return 0;
363 }
364 
snd_cs4236_pcm(struct snd_wss * chip,int device,struct snd_pcm ** rpcm)365 int snd_cs4236_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm)
366 {
367 	struct snd_pcm *pcm;
368 	int err;
369 
370 	err = snd_wss_pcm(chip, device, &pcm);
371 	if (err < 0)
372 		return err;
373 	pcm->info_flags &= ~SNDRV_PCM_INFO_JOINT_DUPLEX;
374 	if (rpcm)
375 		*rpcm = pcm;
376 	return 0;
377 }
378 
379 /*
380  *  MIXER
381  */
382 
383 #define CS4236_SINGLE(xname, xindex, reg, shift, mask, invert) \
384 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
385   .info = snd_cs4236_info_single, \
386   .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
387   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
388 
snd_cs4236_info_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)389 static int snd_cs4236_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
390 {
391 	int mask = (kcontrol->private_value >> 16) & 0xff;
392 
393 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
394 	uinfo->count = 1;
395 	uinfo->value.integer.min = 0;
396 	uinfo->value.integer.max = mask;
397 	return 0;
398 }
399 
snd_cs4236_get_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)400 static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
401 {
402 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
403 	unsigned long flags;
404 	int reg = kcontrol->private_value & 0xff;
405 	int shift = (kcontrol->private_value >> 8) & 0xff;
406 	int mask = (kcontrol->private_value >> 16) & 0xff;
407 	int invert = (kcontrol->private_value >> 24) & 0xff;
408 
409 	spin_lock_irqsave(&chip->reg_lock, flags);
410 	ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(reg)] >> shift) & mask;
411 	spin_unlock_irqrestore(&chip->reg_lock, flags);
412 	if (invert)
413 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
414 	return 0;
415 }
416 
snd_cs4236_put_single(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)417 static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
418 {
419 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
420 	unsigned long flags;
421 	int reg = kcontrol->private_value & 0xff;
422 	int shift = (kcontrol->private_value >> 8) & 0xff;
423 	int mask = (kcontrol->private_value >> 16) & 0xff;
424 	int invert = (kcontrol->private_value >> 24) & 0xff;
425 	int change;
426 	unsigned short val;
427 
428 	val = (ucontrol->value.integer.value[0] & mask);
429 	if (invert)
430 		val = mask - val;
431 	val <<= shift;
432 	spin_lock_irqsave(&chip->reg_lock, flags);
433 	val = (chip->eimage[CS4236_REG(reg)] & ~(mask << shift)) | val;
434 	change = val != chip->eimage[CS4236_REG(reg)];
435 	snd_cs4236_ext_out(chip, reg, val);
436 	spin_unlock_irqrestore(&chip->reg_lock, flags);
437 	return change;
438 }
439 
440 #define CS4236_SINGLEC(xname, xindex, reg, shift, mask, invert) \
441 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
442   .info = snd_cs4236_info_single, \
443   .get = snd_cs4236_get_singlec, .put = snd_cs4236_put_singlec, \
444   .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
445 
snd_cs4236_get_singlec(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)446 static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
447 {
448 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
449 	unsigned long flags;
450 	int reg = kcontrol->private_value & 0xff;
451 	int shift = (kcontrol->private_value >> 8) & 0xff;
452 	int mask = (kcontrol->private_value >> 16) & 0xff;
453 	int invert = (kcontrol->private_value >> 24) & 0xff;
454 
455 	spin_lock_irqsave(&chip->reg_lock, flags);
456 	ucontrol->value.integer.value[0] = (chip->cimage[reg] >> shift) & mask;
457 	spin_unlock_irqrestore(&chip->reg_lock, flags);
458 	if (invert)
459 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
460 	return 0;
461 }
462 
snd_cs4236_put_singlec(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)463 static int snd_cs4236_put_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
464 {
465 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
466 	unsigned long flags;
467 	int reg = kcontrol->private_value & 0xff;
468 	int shift = (kcontrol->private_value >> 8) & 0xff;
469 	int mask = (kcontrol->private_value >> 16) & 0xff;
470 	int invert = (kcontrol->private_value >> 24) & 0xff;
471 	int change;
472 	unsigned short val;
473 
474 	val = (ucontrol->value.integer.value[0] & mask);
475 	if (invert)
476 		val = mask - val;
477 	val <<= shift;
478 	spin_lock_irqsave(&chip->reg_lock, flags);
479 	val = (chip->cimage[reg] & ~(mask << shift)) | val;
480 	change = val != chip->cimage[reg];
481 	snd_cs4236_ctrl_out(chip, reg, val);
482 	spin_unlock_irqrestore(&chip->reg_lock, flags);
483 	return change;
484 }
485 
486 #define CS4236_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
487 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
488   .info = snd_cs4236_info_double, \
489   .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
490   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
491 
snd_cs4236_info_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)492 static int snd_cs4236_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
493 {
494 	int mask = (kcontrol->private_value >> 24) & 0xff;
495 
496 	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
497 	uinfo->count = 2;
498 	uinfo->value.integer.min = 0;
499 	uinfo->value.integer.max = mask;
500 	return 0;
501 }
502 
snd_cs4236_get_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)503 static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
504 {
505 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
506 	unsigned long flags;
507 	int left_reg = kcontrol->private_value & 0xff;
508 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
509 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
510 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
511 	int mask = (kcontrol->private_value >> 24) & 0xff;
512 	int invert = (kcontrol->private_value >> 22) & 1;
513 
514 	spin_lock_irqsave(&chip->reg_lock, flags);
515 	ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(left_reg)] >> shift_left) & mask;
516 	ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
517 	spin_unlock_irqrestore(&chip->reg_lock, flags);
518 	if (invert) {
519 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
520 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
521 	}
522 	return 0;
523 }
524 
snd_cs4236_put_double(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)525 static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
526 {
527 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
528 	unsigned long flags;
529 	int left_reg = kcontrol->private_value & 0xff;
530 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
531 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
532 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
533 	int mask = (kcontrol->private_value >> 24) & 0xff;
534 	int invert = (kcontrol->private_value >> 22) & 1;
535 	int change;
536 	unsigned short val1, val2;
537 
538 	val1 = ucontrol->value.integer.value[0] & mask;
539 	val2 = ucontrol->value.integer.value[1] & mask;
540 	if (invert) {
541 		val1 = mask - val1;
542 		val2 = mask - val2;
543 	}
544 	val1 <<= shift_left;
545 	val2 <<= shift_right;
546 	spin_lock_irqsave(&chip->reg_lock, flags);
547 	if (left_reg != right_reg) {
548 		val1 = (chip->eimage[CS4236_REG(left_reg)] & ~(mask << shift_left)) | val1;
549 		val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
550 		change = val1 != chip->eimage[CS4236_REG(left_reg)] || val2 != chip->eimage[CS4236_REG(right_reg)];
551 		snd_cs4236_ext_out(chip, left_reg, val1);
552 		snd_cs4236_ext_out(chip, right_reg, val2);
553 	} else {
554 		val1 = (chip->eimage[CS4236_REG(left_reg)] & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
555 		change = val1 != chip->eimage[CS4236_REG(left_reg)];
556 		snd_cs4236_ext_out(chip, left_reg, val1);
557 	}
558 	spin_unlock_irqrestore(&chip->reg_lock, flags);
559 	return change;
560 }
561 
562 #define CS4236_DOUBLE1(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
563 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
564   .info = snd_cs4236_info_double, \
565   .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
566   .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
567 
snd_cs4236_get_double1(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)568 static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
569 {
570 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
571 	unsigned long flags;
572 	int left_reg = kcontrol->private_value & 0xff;
573 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
574 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
575 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
576 	int mask = (kcontrol->private_value >> 24) & 0xff;
577 	int invert = (kcontrol->private_value >> 22) & 1;
578 
579 	spin_lock_irqsave(&chip->reg_lock, flags);
580 	ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
581 	ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
582 	spin_unlock_irqrestore(&chip->reg_lock, flags);
583 	if (invert) {
584 		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
585 		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
586 	}
587 	return 0;
588 }
589 
snd_cs4236_put_double1(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)590 static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
591 {
592 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
593 	unsigned long flags;
594 	int left_reg = kcontrol->private_value & 0xff;
595 	int right_reg = (kcontrol->private_value >> 8) & 0xff;
596 	int shift_left = (kcontrol->private_value >> 16) & 0x07;
597 	int shift_right = (kcontrol->private_value >> 19) & 0x07;
598 	int mask = (kcontrol->private_value >> 24) & 0xff;
599 	int invert = (kcontrol->private_value >> 22) & 1;
600 	int change;
601 	unsigned short val1, val2;
602 
603 	val1 = ucontrol->value.integer.value[0] & mask;
604 	val2 = ucontrol->value.integer.value[1] & mask;
605 	if (invert) {
606 		val1 = mask - val1;
607 		val2 = mask - val2;
608 	}
609 	val1 <<= shift_left;
610 	val2 <<= shift_right;
611 	spin_lock_irqsave(&chip->reg_lock, flags);
612 	val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
613 	val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
614 	change = val1 != chip->image[left_reg] || val2 != chip->eimage[CS4236_REG(right_reg)];
615 	snd_wss_out(chip, left_reg, val1);
616 	snd_cs4236_ext_out(chip, right_reg, val2);
617 	spin_unlock_irqrestore(&chip->reg_lock, flags);
618 	return change;
619 }
620 
621 #define CS4236_MASTER_DIGITAL(xname, xindex) \
622 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
623   .info = snd_cs4236_info_double, \
624   .get = snd_cs4236_get_master_digital, .put = snd_cs4236_put_master_digital, \
625   .private_value = 71 << 24 }
626 
snd_cs4236_mixer_master_digital_invert_volume(int vol)627 static inline int snd_cs4236_mixer_master_digital_invert_volume(int vol)
628 {
629 	return (vol < 64) ? 63 - vol : 64 + (71 - vol);
630 }
631 
snd_cs4236_get_master_digital(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)632 static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
633 {
634 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
635 	unsigned long flags;
636 
637 	spin_lock_irqsave(&chip->reg_lock, flags);
638 	ucontrol->value.integer.value[0] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & 0x7f);
639 	ucontrol->value.integer.value[1] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & 0x7f);
640 	spin_unlock_irqrestore(&chip->reg_lock, flags);
641 	return 0;
642 }
643 
snd_cs4236_put_master_digital(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)644 static int snd_cs4236_put_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
645 {
646 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
647 	unsigned long flags;
648 	int change;
649 	unsigned short val1, val2;
650 
651 	val1 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[0] & 0x7f);
652 	val2 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[1] & 0x7f);
653 	spin_lock_irqsave(&chip->reg_lock, flags);
654 	val1 = (chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & ~0x7f) | val1;
655 	val2 = (chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & ~0x7f) | val2;
656 	change = val1 != chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] || val2 != chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)];
657 	snd_cs4236_ext_out(chip, CS4236_LEFT_MASTER, val1);
658 	snd_cs4236_ext_out(chip, CS4236_RIGHT_MASTER, val2);
659 	spin_unlock_irqrestore(&chip->reg_lock, flags);
660 	return change;
661 }
662 
663 #define CS4235_OUTPUT_ACCU(xname, xindex) \
664 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
665   .info = snd_cs4236_info_double, \
666   .get = snd_cs4235_get_output_accu, .put = snd_cs4235_put_output_accu, \
667   .private_value = 3 << 24 }
668 
snd_cs4235_mixer_output_accu_get_volume(int vol)669 static inline int snd_cs4235_mixer_output_accu_get_volume(int vol)
670 {
671 	switch ((vol >> 5) & 3) {
672 	case 0: return 1;
673 	case 1: return 3;
674 	case 2: return 2;
675 	case 3: return 0;
676  	}
677 	return 3;
678 }
679 
snd_cs4235_mixer_output_accu_set_volume(int vol)680 static inline int snd_cs4235_mixer_output_accu_set_volume(int vol)
681 {
682 	switch (vol & 3) {
683 	case 0: return 3 << 5;
684 	case 1: return 0 << 5;
685 	case 2: return 2 << 5;
686 	case 3: return 1 << 5;
687 	}
688 	return 1 << 5;
689 }
690 
snd_cs4235_get_output_accu(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)691 static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
692 {
693 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
694 	unsigned long flags;
695 
696 	spin_lock_irqsave(&chip->reg_lock, flags);
697 	ucontrol->value.integer.value[0] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_LEFT_MASTER]);
698 	ucontrol->value.integer.value[1] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_RIGHT_MASTER]);
699 	spin_unlock_irqrestore(&chip->reg_lock, flags);
700 	return 0;
701 }
702 
snd_cs4235_put_output_accu(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)703 static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
704 {
705 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
706 	unsigned long flags;
707 	int change;
708 	unsigned short val1, val2;
709 
710 	val1 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[0]);
711 	val2 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[1]);
712 	spin_lock_irqsave(&chip->reg_lock, flags);
713 	val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1;
714 	val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2;
715 	change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER];
716 	snd_wss_out(chip, CS4235_LEFT_MASTER, val1);
717 	snd_wss_out(chip, CS4235_RIGHT_MASTER, val2);
718 	spin_unlock_irqrestore(&chip->reg_lock, flags);
719 	return change;
720 }
721 
722 static struct snd_kcontrol_new snd_cs4236_controls[] = {
723 
724 CS4236_DOUBLE("Master Digital Playback Switch", 0,
725 		CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
726 CS4236_DOUBLE("Master Digital Capture Switch", 0,
727 		CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
728 CS4236_MASTER_DIGITAL("Master Digital Volume", 0),
729 
730 CS4236_DOUBLE("Capture Boost Volume", 0,
731 		CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1),
732 
733 WSS_DOUBLE("PCM Playback Switch", 0,
734 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
735 WSS_DOUBLE("PCM Playback Volume", 0,
736 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
737 
738 CS4236_DOUBLE("DSP Playback Switch", 0,
739 		CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
740 CS4236_DOUBLE("DSP Playback Volume", 0,
741 		CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1),
742 
743 CS4236_DOUBLE("FM Playback Switch", 0,
744 		CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
745 CS4236_DOUBLE("FM Playback Volume", 0,
746 		CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1),
747 
748 CS4236_DOUBLE("Wavetable Playback Switch", 0,
749 		CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
750 CS4236_DOUBLE("Wavetable Playback Volume", 0,
751 		CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1),
752 
753 WSS_DOUBLE("Synth Playback Switch", 0,
754 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
755 WSS_DOUBLE("Synth Volume", 0,
756 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
757 WSS_DOUBLE("Synth Capture Switch", 0,
758 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
759 WSS_DOUBLE("Synth Capture Bypass", 0,
760 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1),
761 
762 CS4236_DOUBLE("Mic Playback Switch", 0,
763 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
764 CS4236_DOUBLE("Mic Capture Switch", 0,
765 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
766 CS4236_DOUBLE("Mic Volume", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 0, 0, 31, 1),
767 CS4236_DOUBLE("Mic Playback Boost", 0,
768 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0),
769 
770 WSS_DOUBLE("Line Playback Switch", 0,
771 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
772 WSS_DOUBLE("Line Volume", 0,
773 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
774 WSS_DOUBLE("Line Capture Switch", 0,
775 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
776 WSS_DOUBLE("Line Capture Bypass", 0,
777 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1),
778 
779 WSS_DOUBLE("CD Playback Switch", 0,
780 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
781 WSS_DOUBLE("CD Volume", 0,
782 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
783 WSS_DOUBLE("CD Capture Switch", 0,
784 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
785 
786 CS4236_DOUBLE1("Mono Output Playback Switch", 0,
787 		CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),
788 CS4236_DOUBLE1("Mono Playback Switch", 0,
789 		CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
790 WSS_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
791 WSS_SINGLE("Mono Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0),
792 
793 WSS_DOUBLE("Capture Volume", 0,
794 		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0),
795 WSS_DOUBLE("Analog Loopback Capture Switch", 0,
796 		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
797 
798 WSS_SINGLE("Digital Loopback Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
799 CS4236_DOUBLE1("Digital Loopback Playback Volume", 0,
800 		CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1)
801 };
802 
803 static struct snd_kcontrol_new snd_cs4235_controls[] = {
804 
805 WSS_DOUBLE("Master Switch", 0,
806 		CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1),
807 WSS_DOUBLE("Master Volume", 0,
808 		CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1),
809 
810 CS4235_OUTPUT_ACCU("Playback Volume", 0),
811 
812 CS4236_DOUBLE("Master Digital Playback Switch", 0,
813 		CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
814 CS4236_DOUBLE("Master Digital Capture Switch", 0,
815 		CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
816 CS4236_MASTER_DIGITAL("Master Digital Volume", 0),
817 
818 WSS_DOUBLE("Master Digital Playback Switch", 1,
819 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
820 WSS_DOUBLE("Master Digital Capture Switch", 1,
821 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
822 WSS_DOUBLE("Master Digital Volume", 1,
823 		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
824 
825 CS4236_DOUBLE("Capture Volume", 0,
826 		CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1),
827 
828 WSS_DOUBLE("PCM Switch", 0,
829 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
830 WSS_DOUBLE("PCM Volume", 0,
831 		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
832 
833 CS4236_DOUBLE("DSP Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
834 
835 CS4236_DOUBLE("FM Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
836 
837 CS4236_DOUBLE("Wavetable Switch", 0,
838 		CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
839 
840 CS4236_DOUBLE("Mic Capture Switch", 0,
841 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
842 CS4236_DOUBLE("Mic Playback Switch", 0,
843 		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
844 CS4236_SINGLE("Mic Volume", 0, CS4236_LEFT_MIC, 0, 31, 1),
845 CS4236_SINGLE("Mic Playback Boost", 0, CS4236_LEFT_MIC, 5, 1, 0),
846 
847 WSS_DOUBLE("Aux Playback Switch", 0,
848 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
849 WSS_DOUBLE("Aux Capture Switch", 0,
850 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
851 WSS_DOUBLE("Aux Volume", 0,
852 		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
853 
854 WSS_DOUBLE("Aux Playback Switch", 1,
855 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
856 WSS_DOUBLE("Aux Capture Switch", 1,
857 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
858 WSS_DOUBLE("Aux Volume", 1,
859 		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
860 
861 CS4236_DOUBLE1("Master Mono Switch", 0,
862 		CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),
863 
864 CS4236_DOUBLE1("Mono Switch", 0,
865 		CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
866 WSS_SINGLE("Mono Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
867 
868 WSS_DOUBLE("Analog Loopback Switch", 0,
869 		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
870 };
871 
872 #define CS4236_IEC958_ENABLE(xname, xindex) \
873 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
874   .info = snd_cs4236_info_single, \
875   .get = snd_cs4236_get_iec958_switch, .put = snd_cs4236_put_iec958_switch, \
876   .private_value = 1 << 16 }
877 
snd_cs4236_get_iec958_switch(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)878 static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
879 {
880 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
881 	unsigned long flags;
882 
883 	spin_lock_irqsave(&chip->reg_lock, flags);
884 	ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0;
885 #if 0
886 	printk("get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
887 			snd_wss_in(chip, CS4231_ALT_FEATURE_1),
888 			snd_cs4236_ctrl_in(chip, 3),
889 			snd_cs4236_ctrl_in(chip, 4),
890 			snd_cs4236_ctrl_in(chip, 5),
891 			snd_cs4236_ctrl_in(chip, 6),
892 			snd_cs4236_ctrl_in(chip, 8));
893 #endif
894 	spin_unlock_irqrestore(&chip->reg_lock, flags);
895 	return 0;
896 }
897 
snd_cs4236_put_iec958_switch(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)898 static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
899 {
900 	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
901 	unsigned long flags;
902 	int change;
903 	unsigned short enable, val;
904 
905 	enable = ucontrol->value.integer.value[0] & 1;
906 
907 	mutex_lock(&chip->mce_mutex);
908 	snd_wss_mce_up(chip);
909 	spin_lock_irqsave(&chip->reg_lock, flags);
910 	val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
911 	change = val != chip->image[CS4231_ALT_FEATURE_1];
912 	snd_wss_out(chip, CS4231_ALT_FEATURE_1, val);
913 	val = snd_cs4236_ctrl_in(chip, 4) | 0xc0;
914 	snd_cs4236_ctrl_out(chip, 4, val);
915 	udelay(100);
916 	val &= ~0x40;
917 	snd_cs4236_ctrl_out(chip, 4, val);
918 	spin_unlock_irqrestore(&chip->reg_lock, flags);
919 	snd_wss_mce_down(chip);
920 	mutex_unlock(&chip->mce_mutex);
921 
922 #if 0
923 	printk("set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
924 			snd_wss_in(chip, CS4231_ALT_FEATURE_1),
925 			snd_cs4236_ctrl_in(chip, 3),
926 			snd_cs4236_ctrl_in(chip, 4),
927 			snd_cs4236_ctrl_in(chip, 5),
928 			snd_cs4236_ctrl_in(chip, 6),
929 			snd_cs4236_ctrl_in(chip, 8));
930 #endif
931 	return change;
932 }
933 
934 static struct snd_kcontrol_new snd_cs4236_iec958_controls[] = {
935 CS4236_IEC958_ENABLE("IEC958 Output Enable", 0),
936 CS4236_SINGLEC("IEC958 Output Validity", 0, 4, 4, 1, 0),
937 CS4236_SINGLEC("IEC958 Output User", 0, 4, 5, 1, 0),
938 CS4236_SINGLEC("IEC958 Output CSBR", 0, 4, 6, 1, 0),
939 CS4236_SINGLEC("IEC958 Output Channel Status Low", 0, 5, 1, 127, 0),
940 CS4236_SINGLEC("IEC958 Output Channel Status High", 0, 6, 0, 255, 0)
941 };
942 
943 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = {
944 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
945 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1)
946 };
947 
948 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = {
949 CS4236_SINGLEC("3D Control - Switch", 0, 3, 7, 1, 0),
950 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
951 CS4236_SINGLEC("3D Control - Center", 0, 2, 0, 15, 1),
952 CS4236_SINGLEC("3D Control - Mono", 0, 3, 6, 1, 0),
953 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
954 };
955 
956 static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = {
957 CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
958 CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
959 CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1),
960 CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
961 };
962 
snd_cs4236_mixer(struct snd_wss * chip)963 int snd_cs4236_mixer(struct snd_wss *chip)
964 {
965 	struct snd_card *card;
966 	unsigned int idx, count;
967 	int err;
968 	struct snd_kcontrol_new *kcontrol;
969 
970 	if (snd_BUG_ON(!chip || !chip->card))
971 		return -EINVAL;
972 	card = chip->card;
973 	strcpy(card->mixername, snd_wss_chip_id(chip));
974 
975 	if (chip->hardware == WSS_HW_CS4235 ||
976 	    chip->hardware == WSS_HW_CS4239) {
977 		for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) {
978 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0)
979 				return err;
980 		}
981 	} else {
982 		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_controls); idx++) {
983 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip))) < 0)
984 				return err;
985 		}
986 	}
987 	switch (chip->hardware) {
988 	case WSS_HW_CS4235:
989 	case WSS_HW_CS4239:
990 		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4235);
991 		kcontrol = snd_cs4236_3d_controls_cs4235;
992 		break;
993 	case WSS_HW_CS4237B:
994 		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4237);
995 		kcontrol = snd_cs4236_3d_controls_cs4237;
996 		break;
997 	case WSS_HW_CS4238B:
998 		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4238);
999 		kcontrol = snd_cs4236_3d_controls_cs4238;
1000 		break;
1001 	default:
1002 		count = 0;
1003 		kcontrol = NULL;
1004 	}
1005 	for (idx = 0; idx < count; idx++, kcontrol++) {
1006 		if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0)
1007 			return err;
1008 	}
1009 	if (chip->hardware == WSS_HW_CS4237B ||
1010 	    chip->hardware == WSS_HW_CS4238B) {
1011 		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) {
1012 			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0)
1013 				return err;
1014 		}
1015 	}
1016 	return 0;
1017 }
1018 
1019 EXPORT_SYMBOL(snd_cs4236_create);
1020 EXPORT_SYMBOL(snd_cs4236_pcm);
1021 EXPORT_SYMBOL(snd_cs4236_mixer);
1022 
1023 /*
1024  *  INIT part
1025  */
1026 
alsa_cs4236_init(void)1027 static int __init alsa_cs4236_init(void)
1028 {
1029 	return 0;
1030 }
1031 
alsa_cs4236_exit(void)1032 static void __exit alsa_cs4236_exit(void)
1033 {
1034 }
1035 
1036 module_init(alsa_cs4236_init)
1037 module_exit(alsa_cs4236_exit)
1038