2 * sound/arm/omap/omap-alsa-tsc2101-mixer.c
4 * Alsa Driver for TSC2101 codec for OMAP platform boards.
6 * Copyright (C) 2005 Mika Laitio <lamikr@cc.jyu.fi> and
7 * Everett Coleman II <gcc80x86@fuzzyneural.net>
9 * Board initialization code is based on the code in TSC2101 OSS driver.
10 * Copyright (C) 2004 Texas Instruments, Inc.
11 * Written by Nishanth Menon and Sriram Kannan
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the
15 * Free Software Foundation; either version 2 of the License, or (at your
16 * option) any later version.
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
21 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 * You should have received a copy of the GNU General Public License along
30 * with this program; if not, write to the Free Software Foundation, Inc.,
31 * 675 Mass Ave, Cambridge, MA 02139, USA.
35 * 2006-03-01 Mika Laitio - Mixer for the tsc2101 driver used in omap boards.
36 * Can switch between headset and loudspeaker playback,
37 * mute and unmute dgc, set dgc volume. Record source switch,
38 * keyclick, buzzer and headset volume and handset volume control
43 #include "omap-alsa-tsc2101.h"
44 #include "omap-alsa-tsc2101-mixer.h"
46 #include <linux/types.h>
47 #include <sound/initval.h>
48 #include <sound/control.h>
50 //#define M_DPRINTK(ARGS...) printk(KERN_INFO "<%s>: ",__FUNCTION__);printk(ARGS)
51 #define M_DPRINTK(ARGS...) /* nop */
53 #define DGC_DALVL_EXTRACT(ARG) ((ARG & 0x7f00) >> 8)
54 #define DGC_DARVL_EXTRACT(ARG) ((ARG & 0x007f))
55 #define GET_DGC_DALMU_BIT_VALUE(ARG) (((ARG) & TSC2101_BIT(15)) >> 15)
56 #define GET_DGC_DARMU_BIT_VALUE(ARG) (((ARG) & TSC2101_BIT(7)) >> 7)
57 #define IS_DGC_DALMU_UNMUTED(ARG) (((GET_DGC_DALMU_BIT_VALUE(ARG)) == 0))
58 #define IS_DGC_DARMU_UNMUTED(ARG) (((GET_DGC_DARMU_BIT_VALUE(ARG)) == 0))
60 #define HGC_ADPGA_HED_EXTRACT(ARG) ((ARG & 0x7f00) >> 8)
61 #define GET_DGC_HGCMU_BIT_VALUE(ARG) (((ARG) & TSC2101_BIT(15)) >> 15)
62 #define IS_DGC_HGCMU_UNMUTED(ARG) (((GET_DGC_HGCMU_BIT_VALUE(ARG)) == 0))
64 #define HNGC_ADPGA_HND_EXTRACT(ARG) ((ARG & 0x7f00) >> 8)
65 #define GET_DGC_HNGCMU_BIT_VALUE(ARG) (((ARG) & TSC2101_BIT(15)) >> 15)
66 #define IS_DGC_HNGCMU_UNMUTED(ARG) (((GET_DGC_HNGCMU_BIT_VALUE(ARG)) == 0))
68 static int current_playback_target = PLAYBACK_TARGET_LOUDSPEAKER;
69 static int current_rec_src = REC_SRC_SINGLE_ENDED_MICIN_HED;
72 * Simplified write for the tsc2101 audio registers.
74 inline void omap_tsc2101_audio_write(u8 address, u16 data)
76 omap_tsc2101_write(PAGE2_AUDIO_CODEC_REGISTERS, address, data);
80 * Simplified read for the tsc2101 audio registers.
82 inline u16 omap_tsc2101_audio_read(u8 address)
84 return (omap_tsc2101_read(PAGE2_AUDIO_CODEC_REGISTERS, address));
88 * Used for switching between TSC2101 recourd sources.
89 * Logic is adjusted from the TSC2101 OSS code.
91 static int set_record_source(int val)
97 maskedVal = 0xe0 & val;
99 data = omap_tsc2101_audio_read(TSC2101_MIXER_PGA_CTRL);
100 data &= ~MPC_MICSEL(7); /* clear all MICSEL bits */
102 omap_tsc2101_audio_write(TSC2101_MIXER_PGA_CTRL, data);
103 current_rec_src = val;
110 * Converts the Alsa mixer volume (0 - 100) to real
111 * Digital Gain Control (DGC) value that can be written
112 * or read from the TSC2101 registry.
114 * Note that the number "OUTPUT_VOLUME_MAX" is smaller than OUTPUT_VOLUME_MIN
115 * because DGC works as a volume decreaser. (The more bigger value is put
116 * to DGC, the more the volume of controlled channel is decreased)
118 * In addition the TCS2101 chip would allow the maximum volume reduction be 63.5 DB
119 * but according to some tests user can not hear anything with this chip
120 * when the volume is set to be less than 25 db.
121 * Therefore this function will return a value that means 38.5 db (63.5 db - 25 db)
122 * reduction in the channel volume, when mixer is set to 0.
123 * For mixer value 100, this will return a value that means 0 db volume reduction.
124 * ([mute_left_bit]0000000[mute_right_bit]0000000)
126 int get_mixer_volume_as_dac_gain_control_volume(int vol)
130 /* Convert 0 -> 100 volume to 0x7F(min) -> y(max) volume range */
131 retVal = ((vol * OUTPUT_VOLUME_RANGE) / 100) + OUTPUT_VOLUME_MAX;
132 /* invert the value for getting the proper range 0 min and 100 max */
133 retVal = OUTPUT_VOLUME_MIN - retVal;
139 * Converts the Alsa mixer volume (0 - 100) to TSC2101
140 * Digital Gain Control (DGC) volume. Alsa mixer volume 0
141 * is converted to value meaning the volume reduction of -38.5 db
142 * and Alsa mixer volume 100 is converted to value meaning the
145 int set_mixer_volume_as_dac_gain_control_volume(int mixerVolL, int mixerVolR)
152 if ((mixerVolL < 0) ||
156 printk(KERN_ERR "Trying a bad mixer volume as dac gain control volume value, left (%d), right (%d)!\n", mixerVolL, mixerVolR);
159 M_DPRINTK("mixer volume left = %d, right = %d\n", mixerVolL, mixerVolR);
160 volL = get_mixer_volume_as_dac_gain_control_volume(mixerVolL);
161 volR = get_mixer_volume_as_dac_gain_control_volume(mixerVolR);
163 val = omap_tsc2101_audio_read(TSC2101_DAC_GAIN_CTRL);
164 /* keep the old mute bit settings */
165 val &= ~(DGC_DALVL(OUTPUT_VOLUME_MIN) | DGC_DARVL(OUTPUT_VOLUME_MIN));
166 val |= DGC_DALVL(volL) | DGC_DARVL(volR);
169 omap_tsc2101_audio_write(TSC2101_DAC_GAIN_CTRL, val);
171 M_DPRINTK("to registry: left = %d, right = %d, total = %d\n", DGC_DALVL_EXTRACT(val), DGC_DARVL_EXTRACT(val), val);
175 int dac_gain_control_unmute_control(int muteLeft, int muteRight)
181 val = omap_tsc2101_audio_read(TSC2101_DAC_GAIN_CTRL);
182 /* in alsa mixer 1 --> on, 0 == off. In tsc2101 registry 1 --> off, 0 --> on
183 * so if values are same, it's time to change the registry value.
185 if (muteLeft == GET_DGC_DALMU_BIT_VALUE(val)) {
187 /* mute --> turn bit on */
188 val = val | DGC_DALMU;
191 /* unmute --> turn bit off */
192 val = val & ~DGC_DALMU;
196 if (muteRight == GET_DGC_DARMU_BIT_VALUE(val)) {
197 if (muteRight == 0) {
198 /* mute --> turn bit on */
199 val = val | DGC_DARMU;
202 /* unmute --> turn bit off */
203 val = val & ~DGC_DARMU;
208 omap_tsc2101_audio_write(TSC2101_DAC_GAIN_CTRL, val);
209 M_DPRINTK("changed value, is_unmuted left = %d, right = %d\n",
210 IS_DGC_DALMU_UNMUTED(val),
211 IS_DGC_DARMU_UNMUTED(val));
217 * Converts the DGC registry value read from the TSC2101 registry to
218 * Alsa mixer volume format (0 - 100).
220 int get_dac_gain_control_volume_as_mixer_volume(u16 vol)
224 retVal = OUTPUT_VOLUME_MIN - vol;
225 retVal = ((retVal - OUTPUT_VOLUME_MAX) * 100) / OUTPUT_VOLUME_RANGE;
226 /* fix scaling error */
227 if ((retVal > 0) && (retVal < 100)) {
234 * Converts the headset gain control volume (0 - 63.5 db)
235 * to Alsa mixer volume (0 - 100)
237 int get_headset_gain_control_volume_as_mixer_volume(u16 registerVal)
241 retVal = ((registerVal * 100) / INPUT_VOLUME_RANGE);
246 * Converts the handset gain control volume (0 - 63.5 db)
247 * to Alsa mixer volume (0 - 100)
249 int get_handset_gain_control_volume_as_mixer_volume(u16 registerVal)
251 return get_headset_gain_control_volume_as_mixer_volume(registerVal);
255 * Converts the Alsa mixer volume (0 - 100) to
256 * headset gain control volume (0 - 63.5 db)
258 int get_mixer_volume_as_headset_gain_control_volume(u16 mixerVal)
262 retVal = ((mixerVal * INPUT_VOLUME_RANGE) / 100) + INPUT_VOLUME_MIN;
267 * Writes Alsa mixer volume (0 - 100) to TSC2101 headset volume registry in
268 * a TSC2101 format. (0 - 63.5 db)
269 * In TSC2101 OSS driver this functionality was controlled with "SET_LINE" parameter.
271 int set_mixer_volume_as_headset_gain_control_volume(int mixerVol)
277 if (mixerVol < 0 || mixerVol > 100) {
278 M_DPRINTK("Trying a bad headset mixer volume value(%d)!\n", mixerVol);
281 M_DPRINTK("mixer volume = %d\n", mixerVol);
282 /* Convert 0 -> 100 volume to 0x0(min) -> 0x7D(max) volume range */
283 /* NOTE: 0 is minimum volume and not mute */
284 volume = get_mixer_volume_as_headset_gain_control_volume(mixerVol);
285 val = omap_tsc2101_audio_read(TSC2101_HEADSET_GAIN_CTRL);
286 /* preserve the old mute settings */
287 val &= ~(HGC_ADPGA_HED(INPUT_VOLUME_MAX));
288 val |= HGC_ADPGA_HED(volume);
289 omap_tsc2101_audio_write(TSC2101_HEADSET_GAIN_CTRL, val);
292 M_DPRINTK("to registry = %d\n", val);
297 * Writes Alsa mixer volume (0 - 100) to TSC2101 handset volume registry in
298 * a TSC2101 format. (0 - 63.5 db)
299 * In TSC2101 OSS driver this functionality was controlled with "SET_MIC" parameter.
301 int set_mixer_volume_as_handset_gain_control_volume(int mixerVol)
307 if (mixerVol < 0 || mixerVol > 100) {
308 M_DPRINTK("Trying a bad mic mixer volume value(%d)!\n", mixerVol);
311 M_DPRINTK("mixer volume = %d\n", mixerVol);
312 /* Convert 0 -> 100 volume to 0x0(min) -> 0x7D(max) volume range
313 * NOTE: 0 is minimum volume and not mute
315 volume = get_mixer_volume_as_headset_gain_control_volume(mixerVol);
316 val = omap_tsc2101_audio_read(TSC2101_HANDSET_GAIN_CTRL);
317 /* preserve the old mute settigns */
318 val &= ~(HNGC_ADPGA_HND(INPUT_VOLUME_MAX));
319 val |= HNGC_ADPGA_HND(volume);
320 omap_tsc2101_audio_write(TSC2101_HANDSET_GAIN_CTRL, val);
323 M_DPRINTK("to registry = %d\n", val);
327 void init_record_sources(void)
329 /* Mute Analog Sidetone
330 * analog sidetone gain db?
331 * Cell Phone In not connected to ADC
332 * Input selected by MICSEL connected to ADC
334 omap_tsc2101_audio_write(TSC2101_MIXER_PGA_CTRL,
335 MPC_ASTMU | MPC_ASTG(0x40) | ~MPC_CPADC | MPC_MICADC);
336 /* Set record source, Select MIC_INHED input for headset */
337 set_record_source(REC_SRC_SINGLE_ENDED_MICIN_HED);
340 void set_loudspeaker_to_playback_target(void)
344 /* power down sp1, sp2 and loudspeaker */
345 omap_tsc2101_audio_write(TSC2101_CODEC_POWER_CTRL,
346 CPC_SP1PWDN | CPC_SP2PWDN | CPC_LDAPWDF);
347 /* ADC, DAC, Analog Sidetone, cellphone, buzzer softstepping enabled
351 omap_tsc2101_audio_write(TSC2101_AUDIO_CTRL_4, AC4_MB_HED(0));
353 /* DAC left and right routed to SPK1/SPK2
355 * keyclicks routed to SPK1/SPK2
358 AC5_DAC2SPK1(3) | AC5_AST2SPK1 | AC5_KCL2SPK1 |
359 AC5_DAC2SPK2(3) | AC5_AST2SPK2 | AC5_KCL2SPK2 |
361 val = val & ~AC5_HDSCPTC;
362 omap_tsc2101_audio_write(TSC2101_AUDIO_CTRL_5, val);
364 /* powerdown spk1/out32n and spk2 */
365 val = omap_tsc2101_audio_read(TSC2101_POWERDOWN_STS);
366 val = val & ~(~PS_SPK1FL | ~PS_HNDFL | PS_LSPKFL);
367 omap_tsc2101_audio_write(TSC2101_POWERDOWN_STS, val);
369 /* routing selected to SPK1 goes to OUT8P/OUT84 alsa. (loudspeaker)
370 * analog sidetone routed to loudspeaker
371 * buzzer pga routed to loudspeaker
372 * keyclick routing to loudspeaker
373 * cellphone input routed to loudspeaker
374 * mic selection (control register 04h/page2) routed to cell phone output (CP_OUT)
375 * routing selected for SPK1 goes also to cellphone output (CP_OUT)
376 * OUT8P/OUT8N (loudspeakers) unmuted (0 = unmuted)
377 * Cellphone output is not muted (0 = unmuted)
378 * Enable loudspeaker short protection control (0 = enable protection)
379 * VGND short protection control (0 = enable protection)
381 omap_tsc2101_audio_write(TSC2101_AUDIO_CTRL_6,
382 AC6_SPL2LSK | AC6_AST2LSK | AC6_BUZ2LSK | AC6_KCL2LSK |
383 AC6_CPI2LSK | AC6_MIC2CPO | AC6_SPL2CPO |
384 ~AC6_MUTLSPK | ~AC6_MUTSPK2 | ~AC6_LDSCPTC | ~AC6_VGNDSCPTC);
385 current_playback_target = PLAYBACK_TARGET_LOUDSPEAKER;
388 void set_headphone_to_playback_target(void)
390 /* power down sp1, sp2 and loudspeaker */
391 omap_tsc2101_audio_write(TSC2101_CODEC_POWER_CTRL,
392 CPC_SP1PWDN | CPC_SP2PWDN | CPC_LDAPWDF);
393 /* ADC, DAC, Analog Sidetone, cellphone, buzzer softstepping enabled */
394 /* 1dB AGC hysteresis */
396 omap_tsc2101_audio_write(TSC2101_AUDIO_CTRL_4, AC4_MB_HED(0));
398 /* DAC left and right routed to SPK2 */
400 omap_tsc2101_audio_write(TSC2101_AUDIO_CTRL_5,
401 AC5_DAC2SPK1(3) | AC5_AST2SPK1 | AC5_KCL2SPK1 |
402 AC5_DAC2SPK2(3) | AC5_AST2SPK2 | AC5_KCL2SPK2 |
405 /* OUT8P/N muted, CPOUT muted */
406 omap_tsc2101_audio_write(TSC2101_AUDIO_CTRL_6,
407 AC6_MUTLSPK | AC6_MUTSPK2 | AC6_LDSCPTC |
409 current_playback_target = PLAYBACK_TARGET_HEADPHONE;
413 * Checks whether the headset is detected.
414 * If headset is detected, the type is returned. Type can be
415 * 0x01 = stereo headset detected
416 * 0x02 = cellurar headset detected
417 * 0x03 = stereo + cellurar headset detected
418 * If headset is not detected 0 is returned.
420 u16 get_headset_detected(void)
426 curType = 0; /* not detected */
427 curVal = omap_tsc2101_audio_read(TSC2101_AUDIO_CTRL_7);
428 curDetected = curVal & AC7_HDDETFL;
430 printk("headset detected, checking type from %d \n", curVal);
431 curType = ((curVal & 0x6000) >> 13);
432 printk("headset type detected = %d \n", curType);
435 printk("headset not detected\n");
440 void init_playback_targets(void)
444 set_loudspeaker_to_playback_target();
445 /* Left line input volume control
446 * = SET_LINE in the OSS driver
448 set_mixer_volume_as_headset_gain_control_volume(DEFAULT_INPUT_VOLUME);
450 /* Set headset to be controllable by handset mixer
451 * AGC enable for handset input
452 * Handset input not muted
454 val = omap_tsc2101_audio_read(TSC2101_HANDSET_GAIN_CTRL);
455 val = val | HNGC_AGCEN_HND;
456 val = val & ~HNGC_ADMUT_HND;
457 omap_tsc2101_audio_write(TSC2101_HANDSET_GAIN_CTRL, val);
459 /* mic input volume control
460 * SET_MIC in the OSS driver
462 set_mixer_volume_as_handset_gain_control_volume(DEFAULT_INPUT_VOLUME);
464 /* Left/Right headphone channel volume control
465 * Zero-cross detect on
467 set_mixer_volume_as_dac_gain_control_volume(DEFAULT_OUTPUT_VOLUME, DEFAULT_OUTPUT_VOLUME);
469 dac_gain_control_unmute_control(1, 1);
473 * Initializes tsc2101 recourd source (to line) and playback target (to loudspeaker)
475 void snd_omap_init_mixer(void)
479 /* Headset/Hook switch detect enabled */
480 omap_tsc2101_audio_write(TSC2101_AUDIO_CTRL_7, AC7_DETECT);
482 init_record_sources();
483 init_playback_targets();
488 static int __pcm_playback_target_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
490 static char *texts[PLAYBACK_TARGET_COUNT] = {
491 "Loudspeaker", "Headphone"
494 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
496 uinfo->value.enumerated.items = PLAYBACK_TARGET_COUNT;
497 if (uinfo->value.enumerated.item > PLAYBACK_TARGET_COUNT - 1) {
498 uinfo->value.enumerated.item = PLAYBACK_TARGET_COUNT - 1;
500 strcpy(uinfo->value.enumerated.name,
501 texts[uinfo->value.enumerated.item]);
505 static int __pcm_playback_target_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
507 ucontrol->value.integer.value[0] = current_playback_target;
511 static int __pcm_playback_target_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
517 curVal = ucontrol->value.integer.value[0];
519 (curVal < PLAYBACK_TARGET_COUNT) &&
520 (curVal != current_playback_target)) {
522 set_loudspeaker_to_playback_target();
525 set_headphone_to_playback_target();
532 static int __pcm_playback_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
534 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
536 uinfo->value.integer.min = 0;
537 uinfo->value.integer.max = 100;
542 * Alsa mixer interface function for getting the volume read from the DGC in a
543 * 0 -100 alsa mixer format.
545 static int __pcm_playback_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
551 val = omap_tsc2101_audio_read(TSC2101_DAC_GAIN_CTRL);
552 M_DPRINTK("registry value = %d!\n", val);
553 volL = DGC_DALVL_EXTRACT(val);
554 volR = DGC_DARVL_EXTRACT(val);
555 /* make sure that other bits are not on */
556 volL = volL & ~DGC_DALMU;
557 volR = volR & ~DGC_DARMU;
559 volL = get_dac_gain_control_volume_as_mixer_volume(volL);
560 volR = get_dac_gain_control_volume_as_mixer_volume(volR);
562 ucontrol->value.integer.value[0] = volL; /* L */
563 ucontrol->value.integer.value[1] = volR; /* R */
565 M_DPRINTK("mixer volume left = %ld, right = %ld\n", ucontrol->value.integer.value[0], ucontrol->value.integer.value[1]);
569 static int __pcm_playback_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
571 return set_mixer_volume_as_dac_gain_control_volume(ucontrol->value.integer.value[0],
572 ucontrol->value.integer.value[1]);
575 static int __pcm_playback_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
577 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
579 uinfo->value.integer.min = 0;
580 uinfo->value.integer.max = 1;
585 * When DGC_DALMU (bit 15) is 1, the left channel is muted.
586 * When DGC_DALMU is 0, left channel is not muted.
587 * Same logic apply also for the right channel.
589 static int __pcm_playback_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
591 u16 val = omap_tsc2101_audio_read(TSC2101_DAC_GAIN_CTRL);
593 ucontrol->value.integer.value[0] = IS_DGC_DALMU_UNMUTED(val);
594 ucontrol->value.integer.value[1] = IS_DGC_DARMU_UNMUTED(val);
598 static int __pcm_playback_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
600 return dac_gain_control_unmute_control(ucontrol->value.integer.value[0],
601 ucontrol->value.integer.value[1]);
604 static int __headset_playback_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
606 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
608 uinfo->value.integer.min = 0;
609 uinfo->value.integer.max = 100;
613 static int __headset_playback_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
618 val = omap_tsc2101_audio_read(TSC2101_HEADSET_GAIN_CTRL);
619 M_DPRINTK("registry value = %d\n", val);
620 vol = HGC_ADPGA_HED_EXTRACT(val);
621 vol = vol & ~HGC_ADMUT_HED;
623 vol = get_headset_gain_control_volume_as_mixer_volume(vol);
624 ucontrol->value.integer.value[0] = vol;
626 M_DPRINTK("mixer volume returned = %ld\n", ucontrol->value.integer.value[0]);
630 static int __headset_playback_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
632 return set_mixer_volume_as_headset_gain_control_volume(ucontrol->value.integer.value[0]);
635 static int __headset_playback_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
637 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
639 uinfo->value.integer.min = 0;
640 uinfo->value.integer.max = 1;
644 /* When HGC_ADMUT_HED (bit 15) is 1, the headset is muted.
645 * When HGC_ADMUT_HED is 0, headset is not muted.
647 static int __headset_playback_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
649 u16 val = omap_tsc2101_audio_read(TSC2101_HEADSET_GAIN_CTRL);
650 ucontrol->value.integer.value[0] = IS_DGC_HGCMU_UNMUTED(val);
654 static int __headset_playback_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
657 u16 val = omap_tsc2101_audio_read(TSC2101_HEADSET_GAIN_CTRL);
658 /* in alsa mixer 1 --> on, 0 == off. In tsc2101 registry 1 --> off, 0 --> on
659 * so if values are same, it's time to change the registry value...
661 if (ucontrol->value.integer.value[0] == GET_DGC_HGCMU_BIT_VALUE(val)) {
662 if (ucontrol->value.integer.value[0] == 0) {
663 /* mute --> turn bit on */
664 val = val | HGC_ADMUT_HED;
667 /* unmute --> turn bit off */
668 val = val & ~HGC_ADMUT_HED;
671 M_DPRINTK("changed value, is_unmuted = %d\n", IS_DGC_HGCMU_UNMUTED(val));
674 omap_tsc2101_audio_write(TSC2101_HEADSET_GAIN_CTRL, val);
679 static int __handset_playback_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
681 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
683 uinfo->value.integer.min = 0;
684 uinfo->value.integer.max = 100;
688 static int __handset_playback_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
693 val = omap_tsc2101_audio_read(TSC2101_HANDSET_GAIN_CTRL);
694 M_DPRINTK("registry value = %d\n", val);
695 vol = HNGC_ADPGA_HND_EXTRACT(val);
696 vol = vol & ~HNGC_ADMUT_HND;
697 vol = get_handset_gain_control_volume_as_mixer_volume(vol);
698 ucontrol->value.integer.value[0] = vol;
700 M_DPRINTK("mixer volume returned = %ld\n", ucontrol->value.integer.value[0]);
704 static int __handset_playback_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
706 return set_mixer_volume_as_handset_gain_control_volume(ucontrol->value.integer.value[0]);
709 static int __handset_playback_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
711 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
713 uinfo->value.integer.min = 0;
714 uinfo->value.integer.max = 1;
718 /* When HNGC_ADMUT_HND (bit 15) is 1, the handset is muted.
719 * When HNGC_ADMUT_HND is 0, handset is not muted.
721 static int __handset_playback_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
723 u16 val = omap_tsc2101_audio_read(TSC2101_HANDSET_GAIN_CTRL);
724 ucontrol->value.integer.value[0] = IS_DGC_HNGCMU_UNMUTED(val);
728 static int __handset_playback_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
731 u16 val = omap_tsc2101_audio_read(TSC2101_HANDSET_GAIN_CTRL);
733 /* in alsa mixer 1 --> on, 0 == off. In tsc2101 registry 1 --> off, 0 --> on
734 * so if values are same, it's time to change the registry value...
736 if (ucontrol->value.integer.value[0] == GET_DGC_HNGCMU_BIT_VALUE(val)) {
737 if (ucontrol->value.integer.value[0] == 0) {
738 /* mute --> turn bit on */
739 val = val | HNGC_ADMUT_HND;
742 /* unmute --> turn bit off */
743 val = val & ~HNGC_ADMUT_HND;
745 M_DPRINTK("changed value, is_unmuted = %d\n", IS_DGC_HNGCMU_UNMUTED(val));
749 omap_tsc2101_audio_write(TSC2101_HANDSET_GAIN_CTRL, val);
754 static snd_kcontrol_new_t tsc2101_control[] __devinitdata = {
756 .name = "Playback Playback Route",
757 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
759 .access= SNDRV_CTL_ELEM_ACCESS_READWRITE,
760 .info = __pcm_playback_target_info,
761 .get = __pcm_playback_target_get,
762 .put = __pcm_playback_target_put,
764 .name = "Master Playback Volume",
765 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
767 .access= SNDRV_CTL_ELEM_ACCESS_READWRITE,
768 .info = __pcm_playback_volume_info,
769 .get = __pcm_playback_volume_get,
770 .put = __pcm_playback_volume_put,
772 .name = "Master Playback Switch",
773 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
775 .access= SNDRV_CTL_ELEM_ACCESS_READWRITE,
776 .info = __pcm_playback_switch_info,
777 .get = __pcm_playback_switch_get,
778 .put = __pcm_playback_switch_put,
780 .name = "Headset Playback Volume",
781 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
783 .access= SNDRV_CTL_ELEM_ACCESS_READWRITE,
784 .info = __headset_playback_volume_info,
785 .get = __headset_playback_volume_get,
786 .put = __headset_playback_volume_put,
788 .name = "Headset Playback Switch",
789 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
791 .access= SNDRV_CTL_ELEM_ACCESS_READWRITE,
792 .info = __headset_playback_switch_info,
793 .get = __headset_playback_switch_get,
794 .put = __headset_playback_switch_put,
796 .name = "Handset Playback Volume",
797 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
799 .access= SNDRV_CTL_ELEM_ACCESS_READWRITE,
800 .info = __handset_playback_volume_info,
801 .get = __handset_playback_volume_get,
802 .put = __handset_playback_volume_put,
804 .name = "Handset Playback Switch",
805 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
807 .access= SNDRV_CTL_ELEM_ACCESS_READWRITE,
808 .info = __handset_playback_switch_info,
809 .get = __handset_playback_switch_get,
810 .put = __handset_playback_switch_put,
816 void snd_omap_suspend_mixer(void)
820 void snd_omap_resume_mixer(void)
822 snd_omap_init_mixer();
826 int snd_omap_mixer(struct snd_card_omap_codec *tsc2101)
834 for (i=0; i < ARRAY_SIZE(tsc2101_control); i++) {
835 if ((err = snd_ctl_add(tsc2101->card,
836 snd_ctl_new1(&tsc2101_control[i],
837 tsc2101->card))) < 0) {