2 * ALSA driver for ICEnsemble VT1724 (Envy24HT)
4 * Lowlevel functions for Ego Sys Waveterminal 192M
6 * Copyright (c) 2006 Guedez Clement <klem.dev@gmail.com>
7 * Some functions are taken from the Prodigy192 driver
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.
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.
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
28 #include <linux/delay.h>
29 #include <linux/interrupt.h>
30 #include <linux/init.h>
31 #include <sound/core.h>
32 #include <sound/tlv.h>
33 #include <linux/slab.h>
41 /* rate change needs atomic mute/unmute of all dacs*/
42 struct mutex mute_mutex;
47 * 2*ADC 6*DAC no1 ringbuffer r/w on i2c bus
49 static inline void stac9460_put(struct snd_ice1712 *ice, int reg,
52 snd_vt1724_write_i2c(ice, STAC9460_I2C_ADDR, reg, val);
55 static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
57 return snd_vt1724_read_i2c(ice, STAC9460_I2C_ADDR, reg);
61 * 2*ADC 2*DAC no2 ringbuffer r/w on i2c bus
63 static inline void stac9460_2_put(struct snd_ice1712 *ice, int reg,
66 snd_vt1724_write_i2c(ice, STAC9460_2_I2C_ADDR, reg, val);
69 static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg)
71 return snd_vt1724_read_i2c(ice, STAC9460_2_I2C_ADDR, reg);
78 static void stac9460_dac_mute_all(struct snd_ice1712 *ice, unsigned char mute,
79 unsigned short int *change_mask)
81 unsigned char new, old;
85 for (id = 0; id < 7; id++) {
86 if (*change_mask & (0x01 << id)) {
88 idx = STAC946X_MASTER_VOLUME;
90 idx = STAC946X_LF_VOLUME - 1 + id;
91 old = stac9460_get(ice, idx);
92 new = (~mute << 7 & 0x80) | (old & ~0x80);
93 change = (new != old);
95 stac9460_put(ice, idx, new);
96 *change_mask = *change_mask | (0x01 << id);
98 *change_mask = *change_mask & ~(0x01 << id);
104 for (id = 0; id < 3; id++) {
105 if (*change_mask & (0x01 << (id + 7))) {
107 idx = STAC946X_MASTER_VOLUME;
109 idx = STAC946X_LF_VOLUME - 1 + id;
110 old = stac9460_2_get(ice, idx);
111 new = (~mute << 7 & 0x80) | (old & ~0x80);
112 change = (new != old);
114 stac9460_2_put(ice, idx, new);
115 *change_mask = *change_mask | (0x01 << id);
117 *change_mask = *change_mask & ~(0x01 << id);
125 #define stac9460_dac_mute_info snd_ctl_boolean_mono_info
127 static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol,
128 struct snd_ctl_elem_value *ucontrol)
130 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
131 struct wtm_spec *spec = ice->spec;
135 mutex_lock(&spec->mute_mutex);
137 if (kcontrol->private_value) {
138 idx = STAC946X_MASTER_VOLUME;
141 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
142 idx = id + STAC946X_LF_VOLUME;
145 val = stac9460_get(ice, idx);
147 val = stac9460_2_get(ice, idx - 6);
148 ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
150 mutex_unlock(&spec->mute_mutex);
154 static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol,
155 struct snd_ctl_elem_value *ucontrol)
157 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
158 unsigned char new, old;
162 if (kcontrol->private_value) {
163 idx = STAC946X_MASTER_VOLUME;
164 old = stac9460_get(ice, idx);
165 new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
167 change = (new != old);
169 stac9460_put(ice, idx, new);
170 stac9460_2_put(ice, idx, new);
173 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
174 idx = id + STAC946X_LF_VOLUME;
176 old = stac9460_get(ice, idx);
178 old = stac9460_2_get(ice, idx - 6);
179 new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
181 change = (new != old);
184 stac9460_put(ice, idx, new);
186 stac9460_2_put(ice, idx - 6, new);
193 * DAC volume attenuation mixer control
195 static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol,
196 struct snd_ctl_elem_info *uinfo)
198 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
200 uinfo->value.integer.min = 0; /* mute */
201 uinfo->value.integer.max = 0x7f; /* 0dB */
205 static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol,
206 struct snd_ctl_elem_value *ucontrol)
208 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
212 if (kcontrol->private_value) {
213 idx = STAC946X_MASTER_VOLUME;
216 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
217 idx = id + STAC946X_LF_VOLUME;
220 vol = stac9460_get(ice, idx) & 0x7f;
222 vol = stac9460_2_get(ice, idx - 6) & 0x7f;
223 ucontrol->value.integer.value[0] = 0x7f - vol;
227 static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol,
228 struct snd_ctl_elem_value *ucontrol)
230 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
232 unsigned char tmp, ovol, nvol;
235 if (kcontrol->private_value) {
236 idx = STAC946X_MASTER_VOLUME;
237 nvol = ucontrol->value.integer.value[0] & 0x7f;
238 tmp = stac9460_get(ice, idx);
239 ovol = 0x7f - (tmp & 0x7f);
240 change = (ovol != nvol);
242 stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
243 stac9460_2_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
246 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
247 idx = id + STAC946X_LF_VOLUME;
248 nvol = ucontrol->value.integer.value[0] & 0x7f;
250 tmp = stac9460_get(ice, idx);
252 tmp = stac9460_2_get(ice, idx - 6);
253 ovol = 0x7f - (tmp & 0x7f);
254 change = (ovol != nvol);
257 stac9460_put(ice, idx, (0x7f - nvol) |
260 stac9460_2_put(ice, idx-6, (0x7f - nvol) |
270 #define stac9460_adc_mute_info snd_ctl_boolean_stereo_info
272 static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol,
273 struct snd_ctl_elem_value *ucontrol)
275 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
279 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
281 for (i = 0; i < 2; ++i) {
282 val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
283 ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
286 for (i = 0; i < 2; ++i) {
287 val = stac9460_2_get(ice, STAC946X_MIC_L_VOLUME + i);
288 ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
294 static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol,
295 struct snd_ctl_elem_value *ucontrol)
297 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
298 unsigned char new, old;
302 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
304 for (i = 0; i < 2; ++i) {
305 reg = STAC946X_MIC_L_VOLUME + i;
306 old = stac9460_get(ice, reg);
307 new = (~ucontrol->value.integer.value[i]<<7&0x80) |
309 change = (new != old);
311 stac9460_put(ice, reg, new);
314 for (i = 0; i < 2; ++i) {
315 reg = STAC946X_MIC_L_VOLUME + i;
316 old = stac9460_2_get(ice, reg);
317 new = (~ucontrol->value.integer.value[i]<<7&0x80) |
319 change = (new != old);
321 stac9460_2_put(ice, reg, new);
328 *ADC gain mixer control
330 static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol,
331 struct snd_ctl_elem_info *uinfo)
333 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
335 uinfo->value.integer.min = 0; /* 0dB */
336 uinfo->value.integer.max = 0x0f; /* 22.5dB */
340 static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol,
341 struct snd_ctl_elem_value *ucontrol)
343 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
347 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
349 for (i = 0; i < 2; ++i) {
350 reg = STAC946X_MIC_L_VOLUME + i;
351 vol = stac9460_get(ice, reg) & 0x0f;
352 ucontrol->value.integer.value[i] = 0x0f - vol;
355 for (i = 0; i < 2; ++i) {
356 reg = STAC946X_MIC_L_VOLUME + i;
357 vol = stac9460_2_get(ice, reg) & 0x0f;
358 ucontrol->value.integer.value[i] = 0x0f - vol;
364 static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol,
365 struct snd_ctl_elem_value *ucontrol)
367 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
369 unsigned char ovol, nvol;
372 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
374 for (i = 0; i < 2; ++i) {
375 reg = STAC946X_MIC_L_VOLUME + i;
376 nvol = ucontrol->value.integer.value[i] & 0x0f;
377 ovol = 0x0f - stac9460_get(ice, reg);
378 change = ((ovol & 0x0f) != nvol);
380 stac9460_put(ice, reg, (0x0f - nvol) |
384 for (i = 0; i < 2; ++i) {
385 reg = STAC946X_MIC_L_VOLUME + i;
386 nvol = ucontrol->value.integer.value[i] & 0x0f;
387 ovol = 0x0f - stac9460_2_get(ice, reg);
388 change = ((ovol & 0x0f) != nvol);
390 stac9460_2_put(ice, reg, (0x0f - nvol) |
398 * MIC / LINE switch fonction
400 static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol,
401 struct snd_ctl_elem_info *uinfo)
403 static const char * const texts[2] = { "Line In", "Mic" };
405 return snd_ctl_enum_info(uinfo, 1, 2, texts);
409 static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
410 struct snd_ctl_elem_value *ucontrol)
412 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
416 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
418 val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
420 val = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
421 ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1;
425 static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
426 struct snd_ctl_elem_value *ucontrol)
428 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
429 unsigned char new, old;
432 id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
434 old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
436 old = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
437 new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80);
438 change = (new != old);
441 stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new);
443 stac9460_2_put(ice, STAC946X_GENERAL_PURPOSE, new);
450 * Handler for setting correct codec rate - called when rate change is detected
452 static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate)
454 unsigned char old, new;
455 unsigned short int changed;
456 struct wtm_spec *spec = ice->spec;
458 if (rate == 0) /* no hint - S/PDIF input is master, simply return */
460 else if (rate <= 48000)
461 new = 0x08; /* 256x, base rate mode */
462 else if (rate <= 96000)
463 new = 0x11; /* 256x, mid rate mode */
465 new = 0x12; /* 128x, high rate mode */
467 old = stac9460_get(ice, STAC946X_MASTER_CLOCKING);
470 /* change detected, setting master clock, muting first */
471 /* due to possible conflicts with mute controls - mutexing */
472 mutex_lock(&spec->mute_mutex);
473 /* we have to remember current mute status for each DAC */
475 stac9460_dac_mute_all(ice, 0, &changed);
476 /*printk(KERN_DEBUG "Rate change: %d, new MC: 0x%02x\n", rate, new);*/
477 stac9460_put(ice, STAC946X_MASTER_CLOCKING, new);
478 stac9460_2_put(ice, STAC946X_MASTER_CLOCKING, new);
480 /* unmuting - only originally unmuted dacs -
481 * i.e. those changed when muting */
482 stac9460_dac_mute_all(ice, 1, &changed);
483 mutex_unlock(&spec->mute_mutex);
487 /*Limits value in dB for fader*/
488 static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
489 static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);
494 static struct snd_kcontrol_new stac9640_controls[] = {
496 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
497 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
498 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
499 .name = "Master Playback Switch",
500 .info = stac9460_dac_mute_info,
501 .get = stac9460_dac_mute_get,
502 .put = stac9460_dac_mute_put,
504 .tlv = { .p = db_scale_dac }
507 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
508 .name = "Master Playback Volume",
509 .info = stac9460_dac_vol_info,
510 .get = stac9460_dac_vol_get,
511 .put = stac9460_dac_vol_put,
515 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
516 .name = "MIC/Line Input Enum",
518 .info = stac9460_mic_sw_info,
519 .get = stac9460_mic_sw_get,
520 .put = stac9460_mic_sw_put,
524 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
525 .name = "DAC Switch",
527 .info = stac9460_dac_mute_info,
528 .get = stac9460_dac_mute_get,
529 .put = stac9460_dac_mute_put,
532 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
533 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
534 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
536 .name = "DAC Volume",
538 .info = stac9460_dac_vol_info,
539 .get = stac9460_dac_vol_get,
540 .put = stac9460_dac_vol_put,
541 .tlv = { .p = db_scale_dac }
544 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
545 .name = "ADC Switch",
547 .info = stac9460_adc_mute_info,
548 .get = stac9460_adc_mute_get,
549 .put = stac9460_adc_mute_put,
552 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
553 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
554 SNDRV_CTL_ELEM_ACCESS_TLV_READ),
556 .name = "ADC Volume",
558 .info = stac9460_adc_vol_info,
559 .get = stac9460_adc_vol_get,
560 .put = stac9460_adc_vol_put,
561 .tlv = { .p = db_scale_adc }
568 static int wtm_add_controls(struct snd_ice1712 *ice)
573 for (i = 0; i < ARRAY_SIZE(stac9640_controls); i++) {
574 err = snd_ctl_add(ice->card,
575 snd_ctl_new1(&stac9640_controls[i], ice));
582 static int wtm_init(struct snd_ice1712 *ice)
584 static unsigned short stac_inits_wtm[] = {
586 STAC946X_MASTER_CLOCKING, 0x11,
590 struct wtm_spec *spec;
593 ice->num_total_dacs = 8;
594 ice->num_total_adcs = 4;
595 ice->force_rdma1 = 1;
597 /*init mutex for dac mute conflict*/
598 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
602 mutex_init(&spec->mute_mutex);
607 for (; *p != (unsigned short)-1; p += 2) {
608 stac9460_put(ice, p[0], p[1]);
609 stac9460_2_put(ice, p[0], p[1]);
611 ice->gpio.set_pro_rate = stac9460_set_rate_val;
616 static unsigned char wtm_eeprom[] = {
617 [ICE_EEP2_SYSCONF] = 0x67, /*SYSCONF: clock 192KHz, mpu401,
619 [ICE_EEP2_ACLINK] = 0x80, /* ACLINK : I2S */
620 [ICE_EEP2_I2S] = 0xf8, /* I2S: vol; 96k, 24bit, 192k */
621 [ICE_EEP2_SPDIF] = 0xc1, /*SPDIF: out-en, spidf ext out*/
622 [ICE_EEP2_GPIO_DIR] = 0x9f,
623 [ICE_EEP2_GPIO_DIR1] = 0xff,
624 [ICE_EEP2_GPIO_DIR2] = 0x7f,
625 [ICE_EEP2_GPIO_MASK] = 0x9f,
626 [ICE_EEP2_GPIO_MASK1] = 0xff,
627 [ICE_EEP2_GPIO_MASK2] = 0x7f,
628 [ICE_EEP2_GPIO_STATE] = 0x16,
629 [ICE_EEP2_GPIO_STATE1] = 0x80,
630 [ICE_EEP2_GPIO_STATE2] = 0x00,
635 struct snd_ice1712_card_info snd_vt1724_wtm_cards[] = {
637 .subvendor = VT1724_SUBDEVICE_WTM,
638 .name = "ESI Waveterminal 192M",
640 .chip_init = wtm_init,
641 .build_controls = wtm_add_controls,
642 .eeprom_size = sizeof(wtm_eeprom),
643 .eeprom_data = wtm_eeprom,