Merge tag 'for-linus-5.6-1' of https://github.com/cminyard/linux-ipmi
[linux-2.6-microblaze.git] / sound / pci / ice1712 / ews.c
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 };