xref: /openbmc/linux/sound/pci/ice1712/ews.c (revision 95298d63)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
4  *
5  *   Lowlevel functions for Terratec EWS88MT/D, EWX24/96, DMX 6Fire
6  *
7  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
8  *                    2002 Takashi Iwai <tiwai@suse.de>
9  */
10 
11 #include <linux/delay.h>
12 #include <linux/interrupt.h>
13 #include <linux/init.h>
14 #include <linux/slab.h>
15 #include <sound/core.h>
16 #include <sound/cs8427.h>
17 #include <sound/asoundef.h>
18 
19 #include "ice1712.h"
20 #include "ews.h"
21 
22 #define SND_CS8404
23 #include <sound/cs8403.h>
24 
25 enum {
26 	EWS_I2C_CS8404 = 0, EWS_I2C_PCF1, EWS_I2C_PCF2,
27 	EWS_I2C_88D = 0,
28 	EWS_I2C_6FIRE = 0
29 };
30 
31 
32 /* additional i2c devices for EWS boards */
33 struct ews_spec {
34 	struct snd_i2c_device *i2cdevs[3];
35 };
36 
37 /*
38  * access via i2c mode (for EWX 24/96, EWS 88MT&D)
39  */
40 
41 /* send SDA and SCL */
42 static void ewx_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
43 {
44 	struct snd_ice1712 *ice = bus->private_data;
45 	unsigned char tmp = 0;
46 	if (clk)
47 		tmp |= ICE1712_EWX2496_SERIAL_CLOCK;
48 	if (data)
49 		tmp |= ICE1712_EWX2496_SERIAL_DATA;
50 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, tmp);
51 	udelay(5);
52 }
53 
54 static int ewx_i2c_getclock(struct snd_i2c_bus *bus)
55 {
56 	struct snd_ice1712 *ice = bus->private_data;
57 	return snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_CLOCK ? 1 : 0;
58 }
59 
60 static int ewx_i2c_getdata(struct snd_i2c_bus *bus, int ack)
61 {
62 	struct snd_ice1712 *ice = bus->private_data;
63 	int bit;
64 	/* set RW pin to low */
65 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_RW);
66 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, 0);
67 	if (ack)
68 		udelay(5);
69 	bit = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & ICE1712_EWX2496_SERIAL_DATA ? 1 : 0;
70 	/* set RW pin to high */
71 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, ICE1712_EWX2496_RW);
72 	/* reset write mask */
73 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~ICE1712_EWX2496_SERIAL_CLOCK);
74 	return bit;
75 }
76 
77 static void ewx_i2c_start(struct snd_i2c_bus *bus)
78 {
79 	struct snd_ice1712 *ice = bus->private_data;
80 	unsigned char mask;
81 
82 	snd_ice1712_save_gpio_status(ice);
83 	/* set RW high */
84 	mask = ICE1712_EWX2496_RW;
85 	switch (ice->eeprom.subvendor) {
86 	case ICE1712_SUBDEVICE_EWX2496:
87 		mask |= ICE1712_EWX2496_AK4524_CS; /* CS high also */
88 		break;
89 	case ICE1712_SUBDEVICE_DMX6FIRE:
90 		mask |= ICE1712_6FIRE_AK4524_CS_MASK; /* CS high also */
91 		break;
92 	}
93 	snd_ice1712_gpio_write_bits(ice, mask, mask);
94 }
95 
96 static void ewx_i2c_stop(struct snd_i2c_bus *bus)
97 {
98 	struct snd_ice1712 *ice = bus->private_data;
99 	snd_ice1712_restore_gpio_status(ice);
100 }
101 
102 static void ewx_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
103 {
104 	struct snd_ice1712 *ice = bus->private_data;
105 	unsigned char mask = 0;
106 
107 	if (clock)
108 		mask |= ICE1712_EWX2496_SERIAL_CLOCK; /* write SCL */
109 	if (data)
110 		mask |= ICE1712_EWX2496_SERIAL_DATA; /* write SDA */
111 	ice->gpio.direction &= ~(ICE1712_EWX2496_SERIAL_CLOCK|ICE1712_EWX2496_SERIAL_DATA);
112 	ice->gpio.direction |= mask;
113 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, ice->gpio.direction);
114 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~mask);
115 }
116 
117 static struct snd_i2c_bit_ops snd_ice1712_ewx_cs8427_bit_ops = {
118 	.start = ewx_i2c_start,
119 	.stop = ewx_i2c_stop,
120 	.direction = ewx_i2c_direction,
121 	.setlines = ewx_i2c_setlines,
122 	.getclock = ewx_i2c_getclock,
123 	.getdata = ewx_i2c_getdata,
124 };
125 
126 
127 /*
128  * AK4524 access
129  */
130 
131 /* AK4524 chip select; address 0x48 bit 0-3 */
132 static int snd_ice1712_ews88mt_chip_select(struct snd_ice1712 *ice, int chip_mask)
133 {
134 	struct ews_spec *spec = ice->spec;
135 	unsigned char data, ndata;
136 
137 	if (snd_BUG_ON(chip_mask < 0 || chip_mask > 0x0f))
138 		return -EINVAL;
139 	snd_i2c_lock(ice->i2c);
140 	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1)
141 		goto __error;
142 	ndata = (data & 0xf0) | chip_mask;
143 	if (ndata != data)
144 		if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_PCF2], &ndata, 1)
145 		    != 1)
146 			goto __error;
147 	snd_i2c_unlock(ice->i2c);
148 	return 0;
149 
150      __error:
151 	snd_i2c_unlock(ice->i2c);
152 	dev_err(ice->card->dev,
153 		"AK4524 chip select failed, check cable to the front module\n");
154 	return -EIO;
155 }
156 
157 /* start callback for EWS88MT, needs to select a certain chip mask */
158 static void ews88mt_ak4524_lock(struct snd_akm4xxx *ak, int chip)
159 {
160 	struct snd_ice1712 *ice = ak->private_data[0];
161 	unsigned char tmp;
162 	/* assert AK4524 CS */
163 	if (snd_ice1712_ews88mt_chip_select(ice, ~(1 << chip) & 0x0f) < 0)
164 		dev_err(ice->card->dev, "fatal error (ews88mt chip select)\n");
165 	snd_ice1712_save_gpio_status(ice);
166 	tmp = ICE1712_EWS88_SERIAL_DATA |
167 		ICE1712_EWS88_SERIAL_CLOCK |
168 		ICE1712_EWS88_RW;
169 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
170 			  ice->gpio.direction | tmp);
171 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
172 }
173 
174 /* stop callback for EWS88MT, needs to deselect chip mask */
175 static void ews88mt_ak4524_unlock(struct snd_akm4xxx *ak, int chip)
176 {
177 	struct snd_ice1712 *ice = ak->private_data[0];
178 	snd_ice1712_restore_gpio_status(ice);
179 	udelay(1);
180 	snd_ice1712_ews88mt_chip_select(ice, 0x0f);
181 }
182 
183 /* start callback for EWX24/96 */
184 static void ewx2496_ak4524_lock(struct snd_akm4xxx *ak, int chip)
185 {
186 	struct snd_ice1712 *ice = ak->private_data[0];
187 	unsigned char tmp;
188 	snd_ice1712_save_gpio_status(ice);
189 	tmp =  ICE1712_EWX2496_SERIAL_DATA |
190 		ICE1712_EWX2496_SERIAL_CLOCK |
191 		ICE1712_EWX2496_AK4524_CS |
192 		ICE1712_EWX2496_RW;
193 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
194 			  ice->gpio.direction | tmp);
195 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
196 }
197 
198 /* start callback for DMX 6fire */
199 static void dmx6fire_ak4524_lock(struct snd_akm4xxx *ak, int chip)
200 {
201 	struct snd_ak4xxx_private *priv = (void *)ak->private_value[0];
202 	struct snd_ice1712 *ice = ak->private_data[0];
203 	unsigned char tmp;
204 	snd_ice1712_save_gpio_status(ice);
205 	tmp = priv->cs_mask = priv->cs_addr = (1 << chip) & ICE1712_6FIRE_AK4524_CS_MASK;
206 	tmp |= ICE1712_6FIRE_SERIAL_DATA |
207 		ICE1712_6FIRE_SERIAL_CLOCK |
208 		ICE1712_6FIRE_RW;
209 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
210 			  ice->gpio.direction | tmp);
211 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
212 }
213 
214 /*
215  * CS8404 interface on EWS88MT/D
216  */
217 
218 static void snd_ice1712_ews_cs8404_spdif_write(struct snd_ice1712 *ice, unsigned char bits)
219 {
220 	struct ews_spec *spec = ice->spec;
221 	unsigned char bytes[2];
222 
223 	snd_i2c_lock(ice->i2c);
224 	switch (ice->eeprom.subvendor) {
225 	case ICE1712_SUBDEVICE_EWS88MT:
226 	case ICE1712_SUBDEVICE_EWS88MT_NEW:
227 	case ICE1712_SUBDEVICE_PHASE88:
228 	case ICE1712_SUBDEVICE_TS88:
229 		if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_CS8404], &bits, 1)
230 		    != 1)
231 			goto _error;
232 		break;
233 	case ICE1712_SUBDEVICE_EWS88D:
234 		if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_88D], bytes, 2)
235 		    != 2)
236 			goto _error;
237 		if (bits != bytes[1]) {
238 			bytes[1] = bits;
239 			if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_88D],
240 					      bytes, 2) != 2)
241 				goto _error;
242 		}
243 		break;
244 	}
245  _error:
246 	snd_i2c_unlock(ice->i2c);
247 }
248 
249 /*
250  */
251 
252 static void ews88_spdif_default_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
253 {
254 	snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_bits);
255 }
256 
257 static int ews88_spdif_default_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
258 {
259 	unsigned int val;
260 	int change;
261 
262 	val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
263 	spin_lock_irq(&ice->reg_lock);
264 	change = ice->spdif.cs8403_bits != val;
265 	ice->spdif.cs8403_bits = val;
266 	if (change && ice->playback_pro_substream == NULL) {
267 		spin_unlock_irq(&ice->reg_lock);
268 		snd_ice1712_ews_cs8404_spdif_write(ice, val);
269 	} else {
270 		spin_unlock_irq(&ice->reg_lock);
271 	}
272 	return change;
273 }
274 
275 static void ews88_spdif_stream_get(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
276 {
277 	snd_cs8404_decode_spdif_bits(&ucontrol->value.iec958, ice->spdif.cs8403_stream_bits);
278 }
279 
280 static int ews88_spdif_stream_put(struct snd_ice1712 *ice, struct snd_ctl_elem_value *ucontrol)
281 {
282 	unsigned int val;
283 	int change;
284 
285 	val = snd_cs8404_encode_spdif_bits(&ucontrol->value.iec958);
286 	spin_lock_irq(&ice->reg_lock);
287 	change = ice->spdif.cs8403_stream_bits != val;
288 	ice->spdif.cs8403_stream_bits = val;
289 	if (change && ice->playback_pro_substream != NULL) {
290 		spin_unlock_irq(&ice->reg_lock);
291 		snd_ice1712_ews_cs8404_spdif_write(ice, val);
292 	} else {
293 		spin_unlock_irq(&ice->reg_lock);
294 	}
295 	return change;
296 }
297 
298 
299 /* open callback */
300 static void ews88_open_spdif(struct snd_ice1712 *ice, struct snd_pcm_substream *substream)
301 {
302 	ice->spdif.cs8403_stream_bits = ice->spdif.cs8403_bits;
303 }
304 
305 /* set up SPDIF for EWS88MT / EWS88D */
306 static void ews88_setup_spdif(struct snd_ice1712 *ice, int rate)
307 {
308 	unsigned long flags;
309 	unsigned char tmp;
310 	int change;
311 
312 	spin_lock_irqsave(&ice->reg_lock, flags);
313 	tmp = ice->spdif.cs8403_stream_bits;
314 	if (tmp & 0x10)		/* consumer */
315 		tmp &= (tmp & 0x01) ? ~0x06 : ~0x60;
316 	switch (rate) {
317 	case 32000: tmp |= (tmp & 0x01) ? 0x02 : 0x00; break;
318 	case 44100: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
319 	case 48000: tmp |= (tmp & 0x01) ? 0x04 : 0x20; break;
320 	default: tmp |= (tmp & 0x01) ? 0x06 : 0x40; break;
321 	}
322 	change = ice->spdif.cs8403_stream_bits != tmp;
323 	ice->spdif.cs8403_stream_bits = tmp;
324 	spin_unlock_irqrestore(&ice->reg_lock, flags);
325 	if (change)
326 		snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &ice->spdif.stream_ctl->id);
327 	snd_ice1712_ews_cs8404_spdif_write(ice, tmp);
328 }
329 
330 
331 /*
332  */
333 static const struct snd_akm4xxx akm_ews88mt = {
334 	.num_adcs = 8,
335 	.num_dacs = 8,
336 	.type = SND_AK4524,
337 	.ops = {
338 		.lock = ews88mt_ak4524_lock,
339 		.unlock = ews88mt_ak4524_unlock
340 	}
341 };
342 
343 static const struct snd_ak4xxx_private akm_ews88mt_priv = {
344 	.caddr = 2,
345 	.cif = 1, /* CIF high */
346 	.data_mask = ICE1712_EWS88_SERIAL_DATA,
347 	.clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
348 	.cs_mask = 0,
349 	.cs_addr = 0,
350 	.cs_none = 0, /* no chip select on gpio */
351 	.add_flags = ICE1712_EWS88_RW, /* set rw bit high */
352 	.mask_flags = 0,
353 };
354 
355 static const struct snd_akm4xxx akm_ewx2496 = {
356 	.num_adcs = 2,
357 	.num_dacs = 2,
358 	.type = SND_AK4524,
359 	.ops = {
360 		.lock = ewx2496_ak4524_lock
361 	}
362 };
363 
364 static const struct snd_ak4xxx_private akm_ewx2496_priv = {
365 	.caddr = 2,
366 	.cif = 1, /* CIF high */
367 	.data_mask = ICE1712_EWS88_SERIAL_DATA,
368 	.clk_mask = ICE1712_EWS88_SERIAL_CLOCK,
369 	.cs_mask = ICE1712_EWX2496_AK4524_CS,
370 	.cs_addr = ICE1712_EWX2496_AK4524_CS,
371 	.cs_none = 0,
372 	.add_flags = ICE1712_EWS88_RW, /* set rw bit high */
373 	.mask_flags = 0,
374 };
375 
376 static const struct snd_akm4xxx akm_6fire = {
377 	.num_adcs = 6,
378 	.num_dacs = 6,
379 	.type = SND_AK4524,
380 	.ops = {
381 		.lock = dmx6fire_ak4524_lock
382 	}
383 };
384 
385 static const struct snd_ak4xxx_private akm_6fire_priv = {
386 	.caddr = 2,
387 	.cif = 1, /* CIF high */
388 	.data_mask = ICE1712_6FIRE_SERIAL_DATA,
389 	.clk_mask = ICE1712_6FIRE_SERIAL_CLOCK,
390 	.cs_mask = 0,
391 	.cs_addr = 0, /* set later */
392 	.cs_none = 0,
393 	.add_flags = ICE1712_6FIRE_RW, /* set rw bit high */
394 	.mask_flags = 0,
395 };
396 
397 /*
398  * initialize the chip
399  */
400 
401 /* 6fire specific */
402 #define PCF9554_REG_INPUT      0
403 #define PCF9554_REG_OUTPUT     1
404 #define PCF9554_REG_POLARITY   2
405 #define PCF9554_REG_CONFIG     3
406 
407 static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data);
408 
409 static int snd_ice1712_ews_init(struct snd_ice1712 *ice)
410 {
411 	int err;
412 	struct snd_akm4xxx *ak;
413 	struct ews_spec *spec;
414 
415 	/* set the analog DACs */
416 	switch (ice->eeprom.subvendor) {
417 	case ICE1712_SUBDEVICE_EWX2496:
418 		ice->num_total_dacs = 2;
419 		ice->num_total_adcs = 2;
420 		break;
421 	case ICE1712_SUBDEVICE_EWS88MT:
422 	case ICE1712_SUBDEVICE_EWS88MT_NEW:
423 	case ICE1712_SUBDEVICE_PHASE88:
424 	case ICE1712_SUBDEVICE_TS88:
425 		ice->num_total_dacs = 8;
426 		ice->num_total_adcs = 8;
427 		break;
428 	case ICE1712_SUBDEVICE_EWS88D:
429 		/* Note: not analog but ADAT I/O */
430 		ice->num_total_dacs = 8;
431 		ice->num_total_adcs = 8;
432 		break;
433 	case ICE1712_SUBDEVICE_DMX6FIRE:
434 		ice->num_total_dacs = 6;
435 		ice->num_total_adcs = 6;
436 		break;
437 	}
438 
439 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
440 	if (!spec)
441 		return -ENOMEM;
442 	ice->spec = spec;
443 
444 	/* create i2c */
445 	if ((err = snd_i2c_bus_create(ice->card, "ICE1712 GPIO 1", NULL, &ice->i2c)) < 0) {
446 		dev_err(ice->card->dev, "unable to create I2C bus\n");
447 		return err;
448 	}
449 	ice->i2c->private_data = ice;
450 	ice->i2c->hw_ops.bit = &snd_ice1712_ewx_cs8427_bit_ops;
451 
452 	/* create i2c devices */
453 	switch (ice->eeprom.subvendor) {
454 	case ICE1712_SUBDEVICE_DMX6FIRE:
455 		err = snd_i2c_device_create(ice->i2c, "PCF9554",
456 					    ICE1712_6FIRE_PCF9554_ADDR,
457 					    &spec->i2cdevs[EWS_I2C_6FIRE]);
458 		if (err < 0) {
459 			dev_err(ice->card->dev,
460 				"PCF9554 initialization failed\n");
461 			return err;
462 		}
463 		snd_ice1712_6fire_write_pca(ice, PCF9554_REG_CONFIG, 0x80);
464 		break;
465 	case ICE1712_SUBDEVICE_EWS88MT:
466 	case ICE1712_SUBDEVICE_EWS88MT_NEW:
467 	case ICE1712_SUBDEVICE_PHASE88:
468 	case ICE1712_SUBDEVICE_TS88:
469 
470 		err = snd_i2c_device_create(ice->i2c, "CS8404",
471 					    ICE1712_EWS88MT_CS8404_ADDR,
472 					    &spec->i2cdevs[EWS_I2C_CS8404]);
473 		if (err < 0)
474 			return err;
475 		err = snd_i2c_device_create(ice->i2c, "PCF8574 (1st)",
476 					    ICE1712_EWS88MT_INPUT_ADDR,
477 					    &spec->i2cdevs[EWS_I2C_PCF1]);
478 		if (err < 0)
479 			return err;
480 		err = snd_i2c_device_create(ice->i2c, "PCF8574 (2nd)",
481 					    ICE1712_EWS88MT_OUTPUT_ADDR,
482 					    &spec->i2cdevs[EWS_I2C_PCF2]);
483 		if (err < 0)
484 			return err;
485 		/* Check if the front module is connected */
486 		if ((err = snd_ice1712_ews88mt_chip_select(ice, 0x0f)) < 0)
487 			return err;
488 		break;
489 	case ICE1712_SUBDEVICE_EWS88D:
490 		err = snd_i2c_device_create(ice->i2c, "PCF8575",
491 					    ICE1712_EWS88D_PCF_ADDR,
492 					    &spec->i2cdevs[EWS_I2C_88D]);
493 		if (err < 0)
494 			return err;
495 		break;
496 	}
497 
498 	/* set up SPDIF interface */
499 	switch (ice->eeprom.subvendor) {
500 	case ICE1712_SUBDEVICE_EWX2496:
501 		if ((err = snd_ice1712_init_cs8427(ice, CS8427_BASE_ADDR)) < 0)
502 			return err;
503 		snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
504 		break;
505 	case ICE1712_SUBDEVICE_DMX6FIRE:
506 		if ((err = snd_ice1712_init_cs8427(ice, ICE1712_6FIRE_CS8427_ADDR)) < 0)
507 			return err;
508 		snd_cs8427_reg_write(ice->cs8427, CS8427_REG_RECVERRMASK, CS8427_UNLOCK | CS8427_CONF | CS8427_BIP | CS8427_PAR);
509 		break;
510 	case ICE1712_SUBDEVICE_EWS88MT:
511 	case ICE1712_SUBDEVICE_EWS88MT_NEW:
512 	case ICE1712_SUBDEVICE_PHASE88:
513 	case ICE1712_SUBDEVICE_TS88:
514 	case ICE1712_SUBDEVICE_EWS88D:
515 		/* set up CS8404 */
516 		ice->spdif.ops.open = ews88_open_spdif;
517 		ice->spdif.ops.setup_rate = ews88_setup_spdif;
518 		ice->spdif.ops.default_get = ews88_spdif_default_get;
519 		ice->spdif.ops.default_put = ews88_spdif_default_put;
520 		ice->spdif.ops.stream_get = ews88_spdif_stream_get;
521 		ice->spdif.ops.stream_put = ews88_spdif_stream_put;
522 		/* Set spdif defaults */
523 		snd_ice1712_ews_cs8404_spdif_write(ice, ice->spdif.cs8403_bits);
524 		break;
525 	}
526 
527 	/* no analog? */
528 	switch (ice->eeprom.subvendor) {
529 	case ICE1712_SUBDEVICE_EWS88D:
530 		return 0;
531 	}
532 
533 	/* analog section */
534 	ak = ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
535 	if (! ak)
536 		return -ENOMEM;
537 	ice->akm_codecs = 1;
538 
539 	switch (ice->eeprom.subvendor) {
540 	case ICE1712_SUBDEVICE_EWS88MT:
541 	case ICE1712_SUBDEVICE_EWS88MT_NEW:
542 	case ICE1712_SUBDEVICE_PHASE88:
543 	case ICE1712_SUBDEVICE_TS88:
544 		err = snd_ice1712_akm4xxx_init(ak, &akm_ews88mt, &akm_ews88mt_priv, ice);
545 		break;
546 	case ICE1712_SUBDEVICE_EWX2496:
547 		err = snd_ice1712_akm4xxx_init(ak, &akm_ewx2496, &akm_ewx2496_priv, ice);
548 		break;
549 	case ICE1712_SUBDEVICE_DMX6FIRE:
550 		err = snd_ice1712_akm4xxx_init(ak, &akm_6fire, &akm_6fire_priv, ice);
551 		break;
552 	default:
553 		err = 0;
554 	}
555 
556 	return err;
557 }
558 
559 /*
560  * EWX 24/96 specific controls
561  */
562 
563 /* i/o sensitivity - this callback is shared among other devices, too */
564 static int snd_ice1712_ewx_io_sense_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo){
565 
566 	static const char * const texts[2] = {
567 		"+4dBu", "-10dBV",
568 	};
569 	return snd_ctl_enum_info(uinfo, 1, 2, texts);
570 }
571 
572 static int snd_ice1712_ewx_io_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
573 {
574 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
575 	unsigned char mask = kcontrol->private_value & 0xff;
576 
577 	snd_ice1712_save_gpio_status(ice);
578 	ucontrol->value.enumerated.item[0] = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA) & mask ? 1 : 0;
579 	snd_ice1712_restore_gpio_status(ice);
580 	return 0;
581 }
582 
583 static int snd_ice1712_ewx_io_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
584 {
585 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
586 	unsigned char mask = kcontrol->private_value & 0xff;
587 	int val, nval;
588 
589 	if (kcontrol->private_value & (1 << 31))
590 		return -EPERM;
591 	nval = ucontrol->value.enumerated.item[0] ? mask : 0;
592 	snd_ice1712_save_gpio_status(ice);
593 	val = snd_ice1712_read(ice, ICE1712_IREG_GPIO_DATA);
594 	nval |= val & ~mask;
595 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, nval);
596 	snd_ice1712_restore_gpio_status(ice);
597 	return val != nval;
598 }
599 
600 static const struct snd_kcontrol_new snd_ice1712_ewx2496_controls[] = {
601 	{
602 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
603 		.name = "Input Sensitivity Switch",
604 		.info = snd_ice1712_ewx_io_sense_info,
605 		.get = snd_ice1712_ewx_io_sense_get,
606 		.put = snd_ice1712_ewx_io_sense_put,
607 		.private_value = ICE1712_EWX2496_AIN_SEL,
608 	},
609 	{
610 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
611 		.name = "Output Sensitivity Switch",
612 		.info = snd_ice1712_ewx_io_sense_info,
613 		.get = snd_ice1712_ewx_io_sense_get,
614 		.put = snd_ice1712_ewx_io_sense_put,
615 		.private_value = ICE1712_EWX2496_AOUT_SEL,
616 	},
617 };
618 
619 
620 /*
621  * EWS88MT specific controls
622  */
623 /* analog output sensitivity;; address 0x48 bit 6 */
624 static int snd_ice1712_ews88mt_output_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
625 {
626 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
627 	struct ews_spec *spec = ice->spec;
628 	unsigned char data;
629 
630 	snd_i2c_lock(ice->i2c);
631 	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1) {
632 		snd_i2c_unlock(ice->i2c);
633 		return -EIO;
634 	}
635 	snd_i2c_unlock(ice->i2c);
636 	ucontrol->value.enumerated.item[0] = data & ICE1712_EWS88MT_OUTPUT_SENSE ? 1 : 0; /* high = -10dBV, low = +4dBu */
637 	return 0;
638 }
639 
640 /* analog output sensitivity;; address 0x48 bit 6 */
641 static int snd_ice1712_ews88mt_output_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
642 {
643 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
644 	struct ews_spec *spec = ice->spec;
645 	unsigned char data, ndata;
646 
647 	snd_i2c_lock(ice->i2c);
648 	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF2], &data, 1) != 1) {
649 		snd_i2c_unlock(ice->i2c);
650 		return -EIO;
651 	}
652 	ndata = (data & ~ICE1712_EWS88MT_OUTPUT_SENSE) | (ucontrol->value.enumerated.item[0] ? ICE1712_EWS88MT_OUTPUT_SENSE : 0);
653 	if (ndata != data && snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_PCF2],
654 					       &ndata, 1) != 1) {
655 		snd_i2c_unlock(ice->i2c);
656 		return -EIO;
657 	}
658 	snd_i2c_unlock(ice->i2c);
659 	return ndata != data;
660 }
661 
662 /* analog input sensitivity; address 0x46 */
663 static int snd_ice1712_ews88mt_input_sense_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
664 {
665 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
666 	struct ews_spec *spec = ice->spec;
667 	int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
668 	unsigned char data;
669 
670 	if (snd_BUG_ON(channel < 0 || channel > 7))
671 		return 0;
672 	snd_i2c_lock(ice->i2c);
673 	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) {
674 		snd_i2c_unlock(ice->i2c);
675 		return -EIO;
676 	}
677 	/* reversed; high = +4dBu, low = -10dBV */
678 	ucontrol->value.enumerated.item[0] = data & (1 << channel) ? 0 : 1;
679 	snd_i2c_unlock(ice->i2c);
680 	return 0;
681 }
682 
683 /* analog output sensitivity; address 0x46 */
684 static int snd_ice1712_ews88mt_input_sense_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
685 {
686 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
687 	struct ews_spec *spec = ice->spec;
688 	int channel = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
689 	unsigned char data, ndata;
690 
691 	if (snd_BUG_ON(channel < 0 || channel > 7))
692 		return 0;
693 	snd_i2c_lock(ice->i2c);
694 	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_PCF1], &data, 1) != 1) {
695 		snd_i2c_unlock(ice->i2c);
696 		return -EIO;
697 	}
698 	ndata = (data & ~(1 << channel)) | (ucontrol->value.enumerated.item[0] ? 0 : (1 << channel));
699 	if (ndata != data && snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_PCF1],
700 					       &ndata, 1) != 1) {
701 		snd_i2c_unlock(ice->i2c);
702 		return -EIO;
703 	}
704 	snd_i2c_unlock(ice->i2c);
705 	return ndata != data;
706 }
707 
708 static const struct snd_kcontrol_new snd_ice1712_ews88mt_input_sense = {
709 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
710 	.name = "Input Sensitivity Switch",
711 	.info = snd_ice1712_ewx_io_sense_info,
712 	.get = snd_ice1712_ews88mt_input_sense_get,
713 	.put = snd_ice1712_ews88mt_input_sense_put,
714 	.count = 8,
715 };
716 
717 static const struct snd_kcontrol_new snd_ice1712_ews88mt_output_sense = {
718 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
719 	.name = "Output Sensitivity Switch",
720 	.info = snd_ice1712_ewx_io_sense_info,
721 	.get = snd_ice1712_ews88mt_output_sense_get,
722 	.put = snd_ice1712_ews88mt_output_sense_put,
723 };
724 
725 
726 /*
727  * EWS88D specific controls
728  */
729 
730 #define snd_ice1712_ews88d_control_info		snd_ctl_boolean_mono_info
731 
732 static int snd_ice1712_ews88d_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
733 {
734 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
735 	struct ews_spec *spec = ice->spec;
736 	int shift = kcontrol->private_value & 0xff;
737 	int invert = (kcontrol->private_value >> 8) & 1;
738 	unsigned char data[2];
739 
740 	snd_i2c_lock(ice->i2c);
741 	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_88D], data, 2) != 2) {
742 		snd_i2c_unlock(ice->i2c);
743 		return -EIO;
744 	}
745 	snd_i2c_unlock(ice->i2c);
746 	data[0] = (data[shift >> 3] >> (shift & 7)) & 0x01;
747 	if (invert)
748 		data[0] ^= 0x01;
749 	ucontrol->value.integer.value[0] = data[0];
750 	return 0;
751 }
752 
753 static int snd_ice1712_ews88d_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
754 {
755 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
756 	struct ews_spec *spec = ice->spec;
757 	int shift = kcontrol->private_value & 0xff;
758 	int invert = (kcontrol->private_value >> 8) & 1;
759 	unsigned char data[2], ndata[2];
760 	int change;
761 
762 	snd_i2c_lock(ice->i2c);
763 	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_88D], data, 2) != 2) {
764 		snd_i2c_unlock(ice->i2c);
765 		return -EIO;
766 	}
767 	ndata[shift >> 3] = data[shift >> 3] & ~(1 << (shift & 7));
768 	if (invert) {
769 		if (! ucontrol->value.integer.value[0])
770 			ndata[shift >> 3] |= (1 << (shift & 7));
771 	} else {
772 		if (ucontrol->value.integer.value[0])
773 			ndata[shift >> 3] |= (1 << (shift & 7));
774 	}
775 	change = (data[shift >> 3] != ndata[shift >> 3]);
776 	if (change &&
777 	    snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_88D], data, 2) != 2) {
778 		snd_i2c_unlock(ice->i2c);
779 		return -EIO;
780 	}
781 	snd_i2c_unlock(ice->i2c);
782 	return change;
783 }
784 
785 #define EWS88D_CONTROL(xiface, xname, xshift, xinvert, xaccess) \
786 { .iface = xiface,\
787   .name = xname,\
788   .access = xaccess,\
789   .info = snd_ice1712_ews88d_control_info,\
790   .get = snd_ice1712_ews88d_control_get,\
791   .put = snd_ice1712_ews88d_control_put,\
792   .private_value = xshift | (xinvert << 8),\
793 }
794 
795 static const struct snd_kcontrol_new snd_ice1712_ews88d_controls[] = {
796 	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "IEC958 Input Optical", 0, 1, 0), /* inverted */
797 	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Output Optical", 1, 0, 0),
798 	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT External Master Clock", 2, 0, 0),
799 	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "Enable ADAT", 3, 0, 0),
800 	EWS88D_CONTROL(SNDRV_CTL_ELEM_IFACE_MIXER, "ADAT Through", 4, 1, 0),
801 };
802 
803 
804 /*
805  * DMX 6Fire specific controls
806  */
807 
808 static int snd_ice1712_6fire_read_pca(struct snd_ice1712 *ice, unsigned char reg)
809 {
810 	unsigned char byte;
811 	struct ews_spec *spec = ice->spec;
812 
813 	snd_i2c_lock(ice->i2c);
814 	byte = reg;
815 	if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1) != 1) {
816 		snd_i2c_unlock(ice->i2c);
817 		dev_err(ice->card->dev, "cannot send pca\n");
818 		return -EIO;
819 	}
820 
821 	byte = 0;
822 	if (snd_i2c_readbytes(spec->i2cdevs[EWS_I2C_6FIRE], &byte, 1) != 1) {
823 		snd_i2c_unlock(ice->i2c);
824 		dev_err(ice->card->dev, "cannot read pca\n");
825 		return -EIO;
826 	}
827 	snd_i2c_unlock(ice->i2c);
828 	return byte;
829 }
830 
831 static int snd_ice1712_6fire_write_pca(struct snd_ice1712 *ice, unsigned char reg, unsigned char data)
832 {
833 	unsigned char bytes[2];
834 	struct ews_spec *spec = ice->spec;
835 
836 	snd_i2c_lock(ice->i2c);
837 	bytes[0] = reg;
838 	bytes[1] = data;
839 	if (snd_i2c_sendbytes(spec->i2cdevs[EWS_I2C_6FIRE], bytes, 2) != 2) {
840 		snd_i2c_unlock(ice->i2c);
841 		return -EIO;
842 	}
843 	snd_i2c_unlock(ice->i2c);
844 	return 0;
845 }
846 
847 #define snd_ice1712_6fire_control_info		snd_ctl_boolean_mono_info
848 
849 static int snd_ice1712_6fire_control_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
850 {
851 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
852 	int shift = kcontrol->private_value & 0xff;
853 	int invert = (kcontrol->private_value >> 8) & 1;
854 	int data;
855 
856 	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
857 		return data;
858 	data = (data >> shift) & 1;
859 	if (invert)
860 		data ^= 1;
861 	ucontrol->value.integer.value[0] = data;
862 	return 0;
863 }
864 
865 static int snd_ice1712_6fire_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
866 {
867 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
868 	int shift = kcontrol->private_value & 0xff;
869 	int invert = (kcontrol->private_value >> 8) & 1;
870 	int data, ndata;
871 
872 	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
873 		return data;
874 	ndata = data & ~(1 << shift);
875 	if (ucontrol->value.integer.value[0])
876 		ndata |= (1 << shift);
877 	if (invert)
878 		ndata ^= (1 << shift);
879 	if (data != ndata) {
880 		snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
881 		return 1;
882 	}
883 	return 0;
884 }
885 
886 static int snd_ice1712_6fire_select_input_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
887 {
888 	static const char * const texts[4] = {
889 		"Internal", "Front Input", "Rear Input", "Wave Table"
890 	};
891 	return snd_ctl_enum_info(uinfo, 1, 4, texts);
892 }
893 
894 static int snd_ice1712_6fire_select_input_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
895 {
896 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
897 	int data;
898 
899 	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
900 		return data;
901 	ucontrol->value.integer.value[0] = data & 3;
902 	return 0;
903 }
904 
905 static int snd_ice1712_6fire_select_input_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
906 {
907 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
908 	int data, ndata;
909 
910 	if ((data = snd_ice1712_6fire_read_pca(ice, PCF9554_REG_OUTPUT)) < 0)
911 		return data;
912 	ndata = data & ~3;
913 	ndata |= (ucontrol->value.integer.value[0] & 3);
914 	if (data != ndata) {
915 		snd_ice1712_6fire_write_pca(ice, PCF9554_REG_OUTPUT, (unsigned char)ndata);
916 		return 1;
917 	}
918 	return 0;
919 }
920 
921 
922 #define DMX6FIRE_CONTROL(xname, xshift, xinvert) \
923 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\
924   .name = xname,\
925   .info = snd_ice1712_6fire_control_info,\
926   .get = snd_ice1712_6fire_control_get,\
927   .put = snd_ice1712_6fire_control_put,\
928   .private_value = xshift | (xinvert << 8),\
929 }
930 
931 static const struct snd_kcontrol_new snd_ice1712_6fire_controls[] = {
932 	{
933 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
934 		.name = "Analog Input Select",
935 		.info = snd_ice1712_6fire_select_input_info,
936 		.get = snd_ice1712_6fire_select_input_get,
937 		.put = snd_ice1712_6fire_select_input_put,
938 	},
939 	DMX6FIRE_CONTROL("Front Digital Input Switch", 2, 1),
940 	// DMX6FIRE_CONTROL("Master Clock Select", 3, 0),
941 	DMX6FIRE_CONTROL("Optical Digital Input Switch", 4, 0),
942 	DMX6FIRE_CONTROL("Phono Analog Input Switch", 5, 0),
943 	DMX6FIRE_CONTROL("Breakbox LED", 6, 0),
944 };
945 
946 
947 static int snd_ice1712_ews_add_controls(struct snd_ice1712 *ice)
948 {
949 	unsigned int idx;
950 	int err;
951 
952 	/* all terratec cards have spdif, but cs8427 module builds it's own controls */
953 	if (ice->cs8427 == NULL) {
954 		err = snd_ice1712_spdif_build_controls(ice);
955 		if (err < 0)
956 			return err;
957 	}
958 
959 	/* ak4524 controls */
960 	switch (ice->eeprom.subvendor) {
961 	case ICE1712_SUBDEVICE_EWX2496:
962 	case ICE1712_SUBDEVICE_EWS88MT:
963 	case ICE1712_SUBDEVICE_EWS88MT_NEW:
964 	case ICE1712_SUBDEVICE_PHASE88:
965 	case ICE1712_SUBDEVICE_TS88:
966 	case ICE1712_SUBDEVICE_DMX6FIRE:
967 		err = snd_ice1712_akm4xxx_build_controls(ice);
968 		if (err < 0)
969 			return err;
970 		break;
971 	}
972 
973 	/* card specific controls */
974 	switch (ice->eeprom.subvendor) {
975 	case ICE1712_SUBDEVICE_EWX2496:
976 		for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ewx2496_controls); idx++) {
977 			err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ewx2496_controls[idx], ice));
978 			if (err < 0)
979 				return err;
980 		}
981 		break;
982 	case ICE1712_SUBDEVICE_EWS88MT:
983 	case ICE1712_SUBDEVICE_EWS88MT_NEW:
984 	case ICE1712_SUBDEVICE_PHASE88:
985 	case ICE1712_SUBDEVICE_TS88:
986 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_input_sense, ice));
987 		if (err < 0)
988 			return err;
989 		err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88mt_output_sense, ice));
990 		if (err < 0)
991 			return err;
992 		break;
993 	case ICE1712_SUBDEVICE_EWS88D:
994 		for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_ews88d_controls); idx++) {
995 			err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_ews88d_controls[idx], ice));
996 			if (err < 0)
997 				return err;
998 		}
999 		break;
1000 	case ICE1712_SUBDEVICE_DMX6FIRE:
1001 		for (idx = 0; idx < ARRAY_SIZE(snd_ice1712_6fire_controls); idx++) {
1002 			err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_6fire_controls[idx], ice));
1003 			if (err < 0)
1004 				return err;
1005 		}
1006 		break;
1007 	}
1008 	return 0;
1009 }
1010 
1011 
1012 /* entry point */
1013 struct snd_ice1712_card_info snd_ice1712_ews_cards[] = {
1014 	{
1015 		.subvendor = ICE1712_SUBDEVICE_EWX2496,
1016 		.name = "TerraTec EWX24/96",
1017 		.model = "ewx2496",
1018 		.chip_init = snd_ice1712_ews_init,
1019 		.build_controls = snd_ice1712_ews_add_controls,
1020 	},
1021 	{
1022 		.subvendor = ICE1712_SUBDEVICE_EWS88MT,
1023 		.name = "TerraTec EWS88MT",
1024 		.model = "ews88mt",
1025 		.chip_init = snd_ice1712_ews_init,
1026 		.build_controls = snd_ice1712_ews_add_controls,
1027 	},
1028 	{
1029 		.subvendor = ICE1712_SUBDEVICE_EWS88MT_NEW,
1030 		.name = "TerraTec EWS88MT",
1031 		.model = "ews88mt_new",
1032 		.chip_init = snd_ice1712_ews_init,
1033 		.build_controls = snd_ice1712_ews_add_controls,
1034 	},
1035 	{
1036 		.subvendor = ICE1712_SUBDEVICE_PHASE88,
1037 		.name = "TerraTec Phase88",
1038 		.model = "phase88",
1039 		.chip_init = snd_ice1712_ews_init,
1040 		.build_controls = snd_ice1712_ews_add_controls,
1041 	},
1042 	{
1043 		.subvendor = ICE1712_SUBDEVICE_TS88,
1044 		.name = "terrasoniq TS88",
1045 		.model = "phase88",
1046 		.chip_init = snd_ice1712_ews_init,
1047 		.build_controls = snd_ice1712_ews_add_controls,
1048 	},
1049 	{
1050 		.subvendor = ICE1712_SUBDEVICE_EWS88D,
1051 		.name = "TerraTec EWS88D",
1052 		.model = "ews88d",
1053 		.chip_init = snd_ice1712_ews_init,
1054 		.build_controls = snd_ice1712_ews_add_controls,
1055 	},
1056 	{
1057 		.subvendor = ICE1712_SUBDEVICE_DMX6FIRE,
1058 		.name = "TerraTec DMX6Fire",
1059 		.model = "dmx6fire",
1060 		.chip_init = snd_ice1712_ews_init,
1061 		.build_controls = snd_ice1712_ews_add_controls,
1062 		.mpu401_1_name = "MIDI-Front DMX6fire",
1063 		.mpu401_2_name = "Wavetable DMX6fire",
1064 		.mpu401_2_info_flags = MPU401_INFO_OUTPUT,
1065 	},
1066 	{ } /* terminator */
1067 };
1068