Linux-libre 3.2.72-gnu1
[librecmc/linux-libre.git] / sound / pci / ice1712 / wtm.c
1 /*
2  *      ALSA driver for ICEnsemble VT1724 (Envy24HT)
3  *
4  *      Lowlevel functions for Ego Sys Waveterminal 192M
5  *
6  *              Copyright (c) 2006 Guedez Clement <klem.dev@gmail.com>
7  *              Some functions are taken from the Prodigy192 driver
8  *              source
9  *
10  *      This program is free software; you can redistribute it and/or modify
11  *      it under the terms of the GNU General Public License as published by
12  *      the Free Software Foundation; either version 2 of the License, or
13  *      (at your option) any later version.
14  *
15  *      This program is distributed in the hope that it will be useful,
16  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
17  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  *      GNU General Public License for more details.
19  *
20  *      You should have received a copy of the GNU General Public License
21  *      along with this program; if not, write to the Free Software
22  *      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23  *
24  */
25
26
27
28 #include <linux/io.h>
29 #include <linux/delay.h>
30 #include <linux/interrupt.h>
31 #include <linux/init.h>
32 #include <sound/core.h>
33
34 #include "ice1712.h"
35 #include "envy24ht.h"
36 #include "wtm.h"
37 #include "stac946x.h"
38
39
40 /*
41  *      2*ADC 6*DAC no1 ringbuffer r/w on i2c bus
42  */
43 static inline void stac9460_put(struct snd_ice1712 *ice, int reg,
44                                                 unsigned char val)
45 {
46         snd_vt1724_write_i2c(ice, STAC9460_I2C_ADDR, reg, val);
47 }
48
49 static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
50 {
51         return snd_vt1724_read_i2c(ice, STAC9460_I2C_ADDR, reg);
52 }
53
54 /*
55  *      2*ADC 2*DAC no2 ringbuffer r/w on i2c bus
56  */
57 static inline void stac9460_2_put(struct snd_ice1712 *ice, int reg,
58                                                 unsigned char val)
59 {
60         snd_vt1724_write_i2c(ice, STAC9460_2_I2C_ADDR, reg, val);
61 }
62
63 static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg)
64 {
65         return snd_vt1724_read_i2c(ice, STAC9460_2_I2C_ADDR, reg);
66 }
67
68
69 /*
70  *      DAC mute control
71  */
72 #define stac9460_dac_mute_info          snd_ctl_boolean_mono_info
73
74 static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol,
75                                 struct snd_ctl_elem_value *ucontrol)
76 {
77         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
78         unsigned char val;
79         int idx, id;
80
81         if (kcontrol->private_value) {
82                 idx = STAC946X_MASTER_VOLUME;
83                 id = 0;
84         } else {
85                 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
86                 idx = id + STAC946X_LF_VOLUME;
87         }
88         if (id < 6)
89                 val = stac9460_get(ice, idx);
90         else
91                 val = stac9460_2_get(ice, idx - 6);
92         ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
93         return 0;
94 }
95
96 static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol,
97                                 struct snd_ctl_elem_value *ucontrol)
98 {
99         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
100         unsigned char new, old;
101         int id, idx;
102         int change;
103
104         if (kcontrol->private_value) {
105                 idx = STAC946X_MASTER_VOLUME;
106                 old = stac9460_get(ice, idx);
107                 new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
108                                                         (old & ~0x80);
109                 change = (new != old);
110                 if (change) {
111                         stac9460_put(ice, idx, new);
112                         stac9460_2_put(ice, idx, new);
113                 }
114         } else {
115                 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
116                 idx = id + STAC946X_LF_VOLUME;
117                 if (id < 6)
118                         old = stac9460_get(ice, idx);
119                 else
120                         old = stac9460_2_get(ice, idx - 6);
121                 new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
122                                                         (old & ~0x80);
123                 change = (new != old);
124                 if (change) {
125                         if (id < 6)
126                                 stac9460_put(ice, idx, new);
127                         else
128                                 stac9460_2_put(ice, idx - 6, new);
129                 }
130         }
131         return change;
132 }
133
134 /*
135  *      DAC volume attenuation mixer control
136  */
137 static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol,
138                                 struct snd_ctl_elem_info *uinfo)
139 {
140         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
141         uinfo->count = 1;
142         uinfo->value.integer.min = 0;                   /* mute */
143         uinfo->value.integer.max = 0x7f;                /* 0dB */
144         return 0;
145 }
146
147 static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol,
148                                 struct snd_ctl_elem_value *ucontrol)
149 {
150         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
151         int idx, id;
152         unsigned char vol;
153
154         if (kcontrol->private_value) {
155                 idx = STAC946X_MASTER_VOLUME;
156                 id = 0;
157         } else {
158                 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
159                 idx = id + STAC946X_LF_VOLUME;
160         }
161         if (id < 6)
162                 vol = stac9460_get(ice, idx) & 0x7f;
163         else
164                 vol = stac9460_2_get(ice, idx - 6) & 0x7f;
165         ucontrol->value.integer.value[0] = 0x7f - vol;
166         return 0;
167 }
168
169 static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol,
170                                 struct snd_ctl_elem_value *ucontrol)
171 {
172         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
173         int idx, id;
174         unsigned char tmp, ovol, nvol;
175         int change;
176
177         if (kcontrol->private_value) {
178                 idx = STAC946X_MASTER_VOLUME;
179                 nvol = ucontrol->value.integer.value[0] & 0x7f;
180                 tmp = stac9460_get(ice, idx);
181                 ovol = 0x7f - (tmp & 0x7f);
182                 change = (ovol != nvol);
183                 if (change) {
184                         stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
185                         stac9460_2_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
186                 }
187         } else {
188                 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
189                 idx = id + STAC946X_LF_VOLUME;
190                 nvol = ucontrol->value.integer.value[0] & 0x7f;
191                 if (id < 6)
192                         tmp = stac9460_get(ice, idx);
193                 else
194                         tmp = stac9460_2_get(ice, idx - 6);
195                 ovol = 0x7f - (tmp & 0x7f);
196                 change = (ovol != nvol);
197                 if (change) {
198                         if (id < 6)
199                                 stac9460_put(ice, idx, (0x7f - nvol) |
200                                                         (tmp & 0x80));
201                         else
202                                 stac9460_2_put(ice, idx-6, (0x7f - nvol) |
203                                                         (tmp & 0x80));
204                 }
205         }
206         return change;
207 }
208
209 /*
210  * ADC mute control
211  */
212 #define stac9460_adc_mute_info          snd_ctl_boolean_stereo_info
213
214 static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol,
215                                 struct snd_ctl_elem_value *ucontrol)
216 {
217         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
218         unsigned char val;
219         int i, id;
220
221         id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
222         if (id == 0) {
223                 for (i = 0; i < 2; ++i) {
224                         val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
225                         ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
226                 }
227         } else {
228                 for (i = 0; i < 2; ++i) {
229                         val = stac9460_2_get(ice, STAC946X_MIC_L_VOLUME + i);
230                         ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
231                 }
232         }
233         return 0;
234 }
235
236 static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol,
237                                 struct snd_ctl_elem_value *ucontrol)
238 {
239         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
240         unsigned char new, old;
241         int i, reg, id;
242         int change;
243
244         id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
245         if (id == 0) {
246                 for (i = 0; i < 2; ++i) {
247                         reg = STAC946X_MIC_L_VOLUME + i;
248                         old = stac9460_get(ice, reg);
249                         new = (~ucontrol->value.integer.value[i]<<7&0x80) |
250                                                                 (old&~0x80);
251                         change = (new != old);
252                         if (change)
253                                 stac9460_put(ice, reg, new);
254                 }
255         } else {
256                 for (i = 0; i < 2; ++i) {
257                         reg = STAC946X_MIC_L_VOLUME + i;
258                         old = stac9460_2_get(ice, reg);
259                         new = (~ucontrol->value.integer.value[i]<<7&0x80) |
260                                                                 (old&~0x80);
261                         change = (new != old);
262                         if (change)
263                                 stac9460_2_put(ice, reg, new);
264                 }
265         }
266         return change;
267 }
268
269 /*
270  *ADC gain mixer control
271  */
272 static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol,
273                                 struct snd_ctl_elem_info *uinfo)
274 {
275         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
276         uinfo->count = 2;
277         uinfo->value.integer.min = 0;           /* 0dB */
278         uinfo->value.integer.max = 0x0f;        /* 22.5dB */
279         return 0;
280 }
281
282 static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol,
283                                 struct snd_ctl_elem_value *ucontrol)
284 {
285         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
286         int i, reg, id;
287         unsigned char vol;
288
289         id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
290         if (id == 0) {
291                 for (i = 0; i < 2; ++i) {
292                         reg = STAC946X_MIC_L_VOLUME + i;
293                         vol = stac9460_get(ice, reg) & 0x0f;
294                         ucontrol->value.integer.value[i] = 0x0f - vol;
295                 }
296         } else {
297                 for (i = 0; i < 2; ++i) {
298                         reg = STAC946X_MIC_L_VOLUME + i;
299                         vol = stac9460_2_get(ice, reg) & 0x0f;
300                         ucontrol->value.integer.value[i] = 0x0f - vol;
301                 }
302         }
303         return 0;
304 }
305
306 static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol,
307                                 struct snd_ctl_elem_value *ucontrol)
308 {
309         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
310         int i, reg, id;
311         unsigned char ovol, nvol;
312         int change;
313
314         id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
315         if (id == 0) {
316                 for (i = 0; i < 2; ++i) {
317                         reg = STAC946X_MIC_L_VOLUME + i;
318                         nvol = ucontrol->value.integer.value[i] & 0x0f;
319                         ovol = 0x0f - stac9460_get(ice, reg);
320                         change = ((ovol & 0x0f) != nvol);
321                         if (change)
322                                 stac9460_put(ice, reg, (0x0f - nvol) |
323                                                         (ovol & ~0x0f));
324                 }
325         } else {
326                 for (i = 0; i < 2; ++i) {
327                         reg = STAC946X_MIC_L_VOLUME + i;
328                         nvol = ucontrol->value.integer.value[i] & 0x0f;
329                         ovol = 0x0f - stac9460_2_get(ice, reg);
330                         change = ((ovol & 0x0f) != nvol);
331                         if (change)
332                                 stac9460_2_put(ice, reg, (0x0f - nvol) |
333                                                         (ovol & ~0x0f));
334                 }
335         }
336         return change;
337 }
338
339 /*
340  * MIC / LINE switch fonction
341  */
342
343 #define stac9460_mic_sw_info            snd_ctl_boolean_mono_info
344
345 static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
346                                 struct snd_ctl_elem_value *ucontrol)
347 {
348         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
349         unsigned char val;
350         int id;
351
352         id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
353         if (id == 0)
354                 val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
355         else
356                 val = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
357         ucontrol->value.integer.value[0] = ~val>>7 & 0x1;
358         return 0;
359 }
360
361 static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
362                                 struct snd_ctl_elem_value *ucontrol)
363 {
364         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
365         unsigned char new, old;
366         int change, id;
367
368         id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
369         if (id == 0)
370                 old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
371         else
372                 old = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
373         new = (~ucontrol->value.integer.value[0] << 7 & 0x80) | (old & ~0x80);
374         change = (new != old);
375         if (change) {
376                 if (id == 0)
377                         stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new);
378                 else
379                         stac9460_2_put(ice, STAC946X_GENERAL_PURPOSE, new);
380         }
381         return change;
382 }
383
384 /*
385  * Control tabs
386  */
387 static struct snd_kcontrol_new stac9640_controls[] __devinitdata = {
388         {
389                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
390                 .name = "Master Playback Switch",
391                 .info = stac9460_dac_mute_info,
392                 .get = stac9460_dac_mute_get,
393                 .put = stac9460_dac_mute_put,
394                 .private_value = 1
395         },
396         {
397                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
398                 .name = "Master Playback Volume",
399                 .info = stac9460_dac_vol_info,
400                 .get = stac9460_dac_vol_get,
401                 .put = stac9460_dac_vol_put,
402                 .private_value = 1,
403         },
404         {
405                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
406                 .name = "MIC/Line switch",
407                 .count = 2,
408                 .info = stac9460_mic_sw_info,
409                 .get = stac9460_mic_sw_get,
410                 .put = stac9460_mic_sw_put,
411
412         },
413         {
414                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
415                 .name = "DAC Switch",
416                 .count = 8,
417                 .info = stac9460_dac_mute_info,
418                 .get = stac9460_dac_mute_get,
419                 .put = stac9460_dac_mute_put,
420         },
421         {
422                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
423                 .name = "DAC Volume",
424                 .count = 8,
425                 .info = stac9460_dac_vol_info,
426                 .get = stac9460_dac_vol_get,
427                 .put = stac9460_dac_vol_put,
428         },
429         {
430                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
431                 .name = "ADC Switch",
432                 .count = 2,
433                 .info = stac9460_adc_mute_info,
434                 .get = stac9460_adc_mute_get,
435                 .put = stac9460_adc_mute_put,
436         },
437         {
438                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
439                 .name = "ADC Volume",
440                 .count = 2,
441                 .info = stac9460_adc_vol_info,
442                 .get = stac9460_adc_vol_get,
443                 .put = stac9460_adc_vol_put,
444
445         }
446 };
447
448
449
450 /*INIT*/
451 static int __devinit wtm_add_controls(struct snd_ice1712 *ice)
452 {
453         unsigned int i;
454         int err;
455
456         for (i = 0; i < ARRAY_SIZE(stac9640_controls); i++) {
457                 err = snd_ctl_add(ice->card,
458                                 snd_ctl_new1(&stac9640_controls[i], ice));
459                 if (err < 0)
460                         return err;
461         }
462         return 0;
463 }
464
465 static int __devinit wtm_init(struct snd_ice1712 *ice)
466 {
467         static unsigned short stac_inits_prodigy[] = {
468                 STAC946X_RESET, 0,
469                 (unsigned short)-1
470         };
471         unsigned short *p;
472
473         /*WTM 192M*/
474         ice->num_total_dacs = 8;
475         ice->num_total_adcs = 4;
476         ice->force_rdma1 = 1;
477
478         /*initialize codec*/
479         p = stac_inits_prodigy;
480         for (; *p != (unsigned short)-1; p += 2) {
481                 stac9460_put(ice, p[0], p[1]);
482                 stac9460_2_put(ice, p[0], p[1]);
483         }
484         return 0;
485 }
486
487
488 static unsigned char wtm_eeprom[] __devinitdata = {
489         0x47,   /*SYSCONF: clock 192KHz, 4ADC, 8DAC */
490         0x80,   /* ACLINK : I2S */
491         0xf8,   /* I2S: vol; 96k, 24bit, 192k */
492         0xc1    /*SPDIF: out-en, spidf ext out*/,
493         0x9f,   /* GPIO_DIR */
494         0xff,   /* GPIO_DIR1 */
495         0x7f,   /* GPIO_DIR2 */
496         0x9f,   /* GPIO_MASK */
497         0xff,   /* GPIO_MASK1 */
498         0x7f,   /* GPIO_MASK2 */
499         0x16,   /* GPIO_STATE */
500         0x80,   /* GPIO_STATE1 */
501         0x00,   /* GPIO_STATE2 */
502 };
503
504
505 /*entry point*/
506 struct snd_ice1712_card_info snd_vt1724_wtm_cards[] __devinitdata = {
507         {
508                 .subvendor = VT1724_SUBDEVICE_WTM,
509                 .name = "ESI Waveterminal 192M",
510                 .model = "WT192M",
511                 .chip_init = wtm_init,
512                 .build_controls = wtm_add_controls,
513                 .eeprom_size = sizeof(wtm_eeprom),
514                 .eeprom_data = wtm_eeprom,
515         },
516         {} /*terminator*/
517 };