1/*
2 * Copyright (C) 2013-2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "msm8960_platform"
18/*#define LOG_NDEBUG 0*/
19#define LOG_NDDEBUG 0
20
21#include <stdlib.h>
22#include <dlfcn.h>
23#include <cutils/log.h>
24#include <cutils/properties.h>
25#include <audio_hw.h>
26#include <platform_api.h>
27#include "platform.h"
28
29#define LIB_ACDB_LOADER "libacdbloader.so"
30#define LIB_CSD_CLIENT "libcsd-client.so"
31
32#define DUALMIC_CONFIG_NONE 0      /* Target does not contain 2 mics */
33#define DUALMIC_CONFIG_ENDFIRE 1
34#define DUALMIC_CONFIG_BROADSIDE 2
35
36/*
37 * This is the sysfs path for the HDMI audio data block
38 */
39#define AUDIO_DATA_BLOCK_PATH "/sys/class/graphics/fb1/audio_data_block"
40#define MIXER_XML_PATH "/system/etc/mixer_paths.xml"
41
42/*
43 * This file will have a maximum of 38 bytes:
44 *
45 * 4 bytes: number of audio blocks
46 * 4 bytes: total length of Short Audio Descriptor (SAD) blocks
47 * Maximum 10 * 3 bytes: SAD blocks
48 */
49#define MAX_SAD_BLOCKS      10
50#define SAD_BLOCK_SIZE      3
51
52/* EDID format ID for LPCM audio */
53#define EDID_FORMAT_LPCM    1
54
55struct audio_block_header
56{
57    int reserved;
58    int length;
59};
60
61
62typedef void (*acdb_deallocate_t)();
63typedef int  (*acdb_init_t)();
64typedef void (*acdb_send_audio_cal_t)(int, int);
65typedef void (*acdb_send_voice_cal_t)(int, int);
66
67typedef int (*csd_client_init_t)();
68typedef int (*csd_client_deinit_t)();
69typedef int (*csd_disable_device_t)();
70typedef int (*csd_enable_device_t)(int, int, uint32_t);
71typedef int (*csd_volume_t)(int);
72typedef int (*csd_mic_mute_t)(int);
73typedef int (*csd_start_voice_t)();
74typedef int (*csd_stop_voice_t)();
75
76
77/* Audio calibration related functions */
78struct platform_data {
79    struct audio_device *adev;
80    bool fluence_in_spkr_mode;
81    bool fluence_in_voice_call;
82    bool fluence_in_voice_rec;
83    int  dualmic_config;
84
85    void *acdb_handle;
86    acdb_init_t acdb_init;
87    acdb_deallocate_t acdb_deallocate;
88    acdb_send_audio_cal_t acdb_send_audio_cal;
89    acdb_send_voice_cal_t acdb_send_voice_cal;
90
91    /* CSD Client related functions for voice call */
92    void *csd_client;
93    csd_client_init_t csd_client_init;
94    csd_client_deinit_t csd_client_deinit;
95    csd_disable_device_t csd_disable_device;
96    csd_enable_device_t csd_enable_device;
97    csd_volume_t csd_volume;
98    csd_mic_mute_t csd_mic_mute;
99    csd_start_voice_t csd_start_voice;
100    csd_stop_voice_t csd_stop_voice;
101};
102
103static const int pcm_device_table[AUDIO_USECASE_MAX][2] = {
104    [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {0, 0},
105    [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {14, 14},
106    [USECASE_AUDIO_PLAYBACK_MULTI_CH] = {1, 1},
107    [USECASE_AUDIO_RECORD] = {0, 0},
108    [USECASE_AUDIO_RECORD_LOW_LATENCY] = {14, 14},
109    [USECASE_VOICE_CALL] = {12, 12},
110};
111
112/* Array to store sound devices */
113static const char * const device_table[SND_DEVICE_MAX] = {
114    [SND_DEVICE_NONE] = "none",
115    /* Playback sound devices */
116    [SND_DEVICE_OUT_HANDSET] = "handset",
117    [SND_DEVICE_OUT_SPEAKER] = "speaker",
118    [SND_DEVICE_OUT_SPEAKER_REVERSE] = "speaker-reverse",
119    [SND_DEVICE_OUT_HEADPHONES] = "headphones",
120    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones",
121    [SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker",
122    [SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones",
123    [SND_DEVICE_OUT_HDMI] = "hdmi",
124    [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = "speaker-and-hdmi",
125    [SND_DEVICE_OUT_BT_SCO] = "bt-sco-headset",
126    [SND_DEVICE_OUT_BT_SCO_WB] = "bt-sco-headset-wb",
127    [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = "voice-handset-tmus",
128    [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
129    [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
130    [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
131
132    /* Capture sound devices */
133    [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
134    [SND_DEVICE_IN_SPEAKER_MIC] = "speaker-mic",
135    [SND_DEVICE_IN_HEADSET_MIC] = "headset-mic",
136    [SND_DEVICE_IN_HANDSET_MIC_AEC] = "handset-mic",
137    [SND_DEVICE_IN_SPEAKER_MIC_AEC] = "voice-speaker-mic",
138    [SND_DEVICE_IN_HEADSET_MIC_AEC] = "headset-mic",
139    [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic",
140    [SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic",
141    [SND_DEVICE_IN_HDMI_MIC] = "hdmi-mic",
142    [SND_DEVICE_IN_BT_SCO_MIC] = "bt-sco-mic",
143    [SND_DEVICE_IN_BT_SCO_MIC_WB] = "bt-sco-mic-wb",
144    [SND_DEVICE_IN_CAMCORDER_MIC] = "camcorder-mic",
145    [SND_DEVICE_IN_VOICE_DMIC_EF] = "voice-dmic-ef",
146    [SND_DEVICE_IN_VOICE_DMIC_BS] = "voice-dmic-bs",
147    [SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = "voice-dmic-ef-tmus",
148    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = "voice-speaker-dmic-ef",
149    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = "voice-speaker-dmic-bs",
150    [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic",
151    [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic",
152    [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = "voice-tty-hco-headset-mic",
153    [SND_DEVICE_IN_VOICE_REC_MIC] = "voice-rec-mic",
154    [SND_DEVICE_IN_VOICE_REC_DMIC_EF] = "voice-rec-dmic-ef",
155    [SND_DEVICE_IN_VOICE_REC_DMIC_BS] = "voice-rec-dmic-bs",
156    [SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = "voice-rec-dmic-ef-fluence",
157    [SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = "voice-rec-dmic-bs-fluence",
158};
159
160/* ACDB IDs (audio DSP path configuration IDs) for each sound device */
161static const int acdb_device_table[SND_DEVICE_MAX] = {
162    [SND_DEVICE_NONE] = -1,
163    [SND_DEVICE_OUT_HANDSET] = 7,
164    [SND_DEVICE_OUT_SPEAKER] = 14,
165    [SND_DEVICE_OUT_SPEAKER_REVERSE] = 14,
166    [SND_DEVICE_OUT_HEADPHONES] = 10,
167    [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = 10,
168    [SND_DEVICE_OUT_VOICE_SPEAKER] = 14,
169    [SND_DEVICE_OUT_VOICE_HEADPHONES] = 10,
170    [SND_DEVICE_OUT_HDMI] = 18,
171    [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 14,
172    [SND_DEVICE_OUT_BT_SCO] = 22,
173    [SND_DEVICE_OUT_BT_SCO_WB] = 39,
174    [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = 81,
175    [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
176    [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
177    [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37,
178
179    [SND_DEVICE_IN_HANDSET_MIC] = 4,
180    [SND_DEVICE_IN_SPEAKER_MIC] = 4,
181    [SND_DEVICE_IN_HEADSET_MIC] = 8,
182    [SND_DEVICE_IN_HANDSET_MIC_AEC] = 40,
183    [SND_DEVICE_IN_SPEAKER_MIC_AEC] = 42,
184    [SND_DEVICE_IN_HEADSET_MIC_AEC] = 47,
185    [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = 11,
186    [SND_DEVICE_IN_VOICE_HEADSET_MIC] = 8,
187    [SND_DEVICE_IN_HDMI_MIC] = 4,
188    [SND_DEVICE_IN_BT_SCO_MIC] = 21,
189    [SND_DEVICE_IN_BT_SCO_MIC_WB] = 38,
190    [SND_DEVICE_IN_CAMCORDER_MIC] = 61,
191    [SND_DEVICE_IN_VOICE_DMIC_EF] = 6,
192    [SND_DEVICE_IN_VOICE_DMIC_BS] = 5,
193    [SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = 91,
194    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = 13,
195    [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = 12,
196    [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = 16,
197    [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = 36,
198    [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = 16,
199    [SND_DEVICE_IN_VOICE_REC_MIC] = 62,
200    /* TODO: Update with proper acdb ids */
201    [SND_DEVICE_IN_VOICE_REC_DMIC_EF] = 62,
202    [SND_DEVICE_IN_VOICE_REC_DMIC_BS] = 62,
203    [SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = 6,
204    [SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = 5,
205};
206
207#define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL)
208#define LOW_LATENCY_PLATFORM_DELAY (13*1000LL)
209
210static pthread_once_t check_op_once_ctl = PTHREAD_ONCE_INIT;
211static bool is_tmus = false;
212
213static void check_operator()
214{
215    char value[PROPERTY_VALUE_MAX];
216    int mccmnc;
217    property_get("gsm.sim.operator.numeric",value,"0");
218    mccmnc = atoi(value);
219    ALOGD("%s: tmus mccmnc %d", __func__, mccmnc);
220    switch(mccmnc) {
221    /* TMUS MCC(310), MNC(490, 260, 026) */
222    case 310490:
223    case 310260:
224    case 310026:
225        is_tmus = true;
226        break;
227    }
228}
229
230bool is_operator_tmus()
231{
232    pthread_once(&check_op_once_ctl, check_operator);
233    return is_tmus;
234}
235
236static int set_echo_reference(struct mixer *mixer, const char* ec_ref)
237{
238    struct mixer_ctl *ctl;
239    const char *mixer_ctl_name = "EC_REF_RX";
240
241    ctl = mixer_get_ctl_by_name(mixer, mixer_ctl_name);
242    if (!ctl) {
243        ALOGE("%s: Could not get ctl for mixer cmd - %s",
244              __func__, mixer_ctl_name);
245        return -EINVAL;
246    }
247    ALOGV("Setting EC Reference: %s", ec_ref);
248    mixer_ctl_set_enum_by_string(ctl, ec_ref);
249    return 0;
250}
251
252void *platform_init(struct audio_device *adev)
253{
254    char platform[PROPERTY_VALUE_MAX];
255    char baseband[PROPERTY_VALUE_MAX];
256    char value[PROPERTY_VALUE_MAX];
257    struct platform_data *my_data;
258
259    adev->mixer = mixer_open(MIXER_CARD);
260
261    if (!adev->mixer) {
262        ALOGE("Unable to open the mixer, aborting.");
263        return NULL;
264    }
265
266    adev->audio_route = audio_route_init(MIXER_CARD, MIXER_XML_PATH);
267    if (!adev->audio_route) {
268        ALOGE("%s: Failed to init audio route controls, aborting.", __func__);
269        return NULL;
270    }
271
272    my_data = calloc(1, sizeof(struct platform_data));
273
274    my_data->adev = adev;
275    my_data->dualmic_config = DUALMIC_CONFIG_NONE;
276    my_data->fluence_in_spkr_mode = false;
277    my_data->fluence_in_voice_call = false;
278    my_data->fluence_in_voice_rec = false;
279
280    property_get("persist.audio.dualmic.config",value,"");
281    if (!strcmp("broadside", value)) {
282        my_data->dualmic_config = DUALMIC_CONFIG_BROADSIDE;
283        adev->acdb_settings |= DMIC_FLAG;
284    } else if (!strcmp("endfire", value)) {
285        my_data->dualmic_config = DUALMIC_CONFIG_ENDFIRE;
286        adev->acdb_settings |= DMIC_FLAG;
287    }
288
289    if (my_data->dualmic_config != DUALMIC_CONFIG_NONE) {
290        property_get("persist.audio.fluence.voicecall",value,"");
291        if (!strcmp("true", value)) {
292            my_data->fluence_in_voice_call = true;
293        }
294
295        property_get("persist.audio.fluence.voicerec",value,"");
296        if (!strcmp("true", value)) {
297            my_data->fluence_in_voice_rec = true;
298        }
299
300        property_get("persist.audio.fluence.speaker",value,"");
301        if (!strcmp("true", value)) {
302            my_data->fluence_in_spkr_mode = true;
303        }
304    }
305
306    my_data->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW);
307    if (my_data->acdb_handle == NULL) {
308        ALOGE("%s: DLOPEN failed for %s", __func__, LIB_ACDB_LOADER);
309    } else {
310        ALOGV("%s: DLOPEN successful for %s", __func__, LIB_ACDB_LOADER);
311        my_data->acdb_deallocate = (acdb_deallocate_t)dlsym(my_data->acdb_handle,
312                                                    "acdb_loader_deallocate_ACDB");
313        my_data->acdb_send_audio_cal = (acdb_send_audio_cal_t)dlsym(my_data->acdb_handle,
314                                                    "acdb_loader_send_audio_cal");
315        if (!my_data->acdb_send_audio_cal)
316            ALOGW("%s: Could not find the symbol acdb_send_audio_cal from %s",
317                  __func__, LIB_ACDB_LOADER);
318        my_data->acdb_send_voice_cal = (acdb_send_voice_cal_t)dlsym(my_data->acdb_handle,
319                                                    "acdb_loader_send_voice_cal");
320        my_data->acdb_init = (acdb_init_t)dlsym(my_data->acdb_handle,
321                                                    "acdb_loader_init_ACDB");
322        if (my_data->acdb_init == NULL)
323            ALOGE("%s: dlsym error %s for acdb_loader_init_ACDB", __func__, dlerror());
324        else
325            my_data->acdb_init();
326    }
327
328    /* If platform is Fusion3, load CSD Client specific symbols
329     * Voice call is handled by MDM and apps processor talks to
330     * MDM through CSD Client
331     */
332    property_get("ro.board.platform", platform, "");
333    property_get("ro.baseband", baseband, "");
334    if (!strcmp("msm8960", platform) && !strcmp("mdm", baseband)) {
335        my_data->csd_client = dlopen(LIB_CSD_CLIENT, RTLD_NOW);
336        if (my_data->csd_client == NULL)
337            ALOGE("%s: DLOPEN failed for %s", __func__, LIB_CSD_CLIENT);
338    }
339
340    if (my_data->csd_client) {
341        ALOGV("%s: DLOPEN successful for %s", __func__, LIB_CSD_CLIENT);
342        my_data->csd_client_deinit = (csd_client_deinit_t)dlsym(my_data->csd_client,
343                                                    "csd_client_deinit");
344        my_data->csd_disable_device = (csd_disable_device_t)dlsym(my_data->csd_client,
345                                                    "csd_client_disable_device");
346        my_data->csd_enable_device = (csd_enable_device_t)dlsym(my_data->csd_client,
347                                                    "csd_client_enable_device");
348        my_data->csd_start_voice = (csd_start_voice_t)dlsym(my_data->csd_client,
349                                                    "csd_client_start_voice");
350        my_data->csd_stop_voice = (csd_stop_voice_t)dlsym(my_data->csd_client,
351                                                    "csd_client_stop_voice");
352        my_data->csd_volume = (csd_volume_t)dlsym(my_data->csd_client,
353                                                    "csd_client_volume");
354        my_data->csd_mic_mute = (csd_mic_mute_t)dlsym(my_data->csd_client,
355                                                    "csd_client_mic_mute");
356        my_data->csd_client_init = (csd_client_init_t)dlsym(my_data->csd_client,
357                                                    "csd_client_init");
358
359        if (my_data->csd_client_init == NULL) {
360            ALOGE("%s: dlsym error %s for csd_client_init", __func__, dlerror());
361        } else {
362            my_data->csd_client_init();
363        }
364    }
365
366    return my_data;
367}
368
369void platform_deinit(void *platform)
370{
371    free(platform);
372}
373
374const char *platform_get_snd_device_name(snd_device_t snd_device)
375{
376    if (snd_device >= SND_DEVICE_MIN && snd_device < SND_DEVICE_MAX)
377        return device_table[snd_device];
378    else
379        return "none";
380}
381
382void platform_add_backend_name(void *platform __unused, char *mixer_path,
383                               snd_device_t snd_device)
384{
385    if (snd_device == SND_DEVICE_IN_BT_SCO_MIC)
386        strcat(mixer_path, " bt-sco");
387    else if(snd_device == SND_DEVICE_OUT_BT_SCO)
388        strcat(mixer_path, " bt-sco");
389    else if (snd_device == SND_DEVICE_OUT_HDMI)
390        strcat(mixer_path, " hdmi");
391    else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HDMI)
392        strcat(mixer_path, " speaker-and-hdmi");
393    else if (snd_device == SND_DEVICE_OUT_BT_SCO_WB ||
394             snd_device == SND_DEVICE_IN_BT_SCO_MIC_WB)
395        strcat(mixer_path, " bt-sco-wb");
396}
397
398int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type)
399{
400    int device_id;
401    if (device_type == PCM_PLAYBACK)
402        device_id = pcm_device_table[usecase][0];
403    else
404        device_id = pcm_device_table[usecase][1];
405    return device_id;
406}
407
408int platform_get_snd_device_index(char *snd_device_index_name __unused)
409{
410    return -ENODEV;
411}
412
413int platform_set_snd_device_acdb_id(snd_device_t snd_device __unused,
414                                    unsigned int acdb_id __unused)
415{
416    return -ENODEV;
417}
418
419int platform_send_audio_calibration(void *platform, snd_device_t snd_device)
420{
421    struct platform_data *my_data = (struct platform_data *)platform;
422    int acdb_dev_id, acdb_dev_type;
423
424    acdb_dev_id = acdb_device_table[snd_device];
425    if (acdb_dev_id < 0) {
426        ALOGE("%s: Could not find acdb id for device(%d)",
427              __func__, snd_device);
428        return -EINVAL;
429    }
430    if (my_data->acdb_send_audio_cal) {
431        ("%s: sending audio calibration for snd_device(%d) acdb_id(%d)",
432              __func__, snd_device, acdb_dev_id);
433        if (snd_device >= SND_DEVICE_OUT_BEGIN &&
434                snd_device < SND_DEVICE_OUT_END)
435            acdb_dev_type = ACDB_DEV_TYPE_OUT;
436        else
437            acdb_dev_type = ACDB_DEV_TYPE_IN;
438        my_data->acdb_send_audio_cal(acdb_dev_id, acdb_dev_type);
439    }
440    return 0;
441}
442
443int platform_switch_voice_call_device_pre(void *platform)
444{
445    struct platform_data *my_data = (struct platform_data *)platform;
446    int ret = 0;
447
448    if (my_data->csd_client != NULL &&
449        voice_is_in_call(my_data->adev)) {
450        /* This must be called before disabling the mixer controls on APQ side */
451        if (my_data->csd_disable_device == NULL) {
452            ALOGE("%s: dlsym error for csd_disable_device", __func__);
453        } else {
454            ret = my_data->csd_disable_device();
455            if (ret < 0) {
456                ALOGE("%s: csd_client_disable_device, failed, error %d",
457                      __func__, ret);
458            }
459        }
460    }
461    return ret;
462}
463
464int platform_switch_voice_call_device_post(void *platform,
465                                           snd_device_t out_snd_device,
466                                           snd_device_t in_snd_device)
467{
468    struct platform_data *my_data = (struct platform_data *)platform;
469    int acdb_rx_id, acdb_tx_id;
470    int ret = 0;
471
472    if (my_data->csd_client) {
473        if (my_data->csd_enable_device == NULL) {
474            ALOGE("%s: dlsym error for csd_enable_device",
475                  __func__);
476        } else {
477            acdb_rx_id = acdb_device_table[out_snd_device];
478            acdb_tx_id = acdb_device_table[in_snd_device];
479
480            if (acdb_rx_id > 0 || acdb_tx_id > 0) {
481                ret = my_data->csd_enable_device(acdb_rx_id, acdb_tx_id,
482                                                    my_data->adev->acdb_settings);
483                if (ret < 0) {
484                    ALOGE("%s: csd_enable_device, failed, error %d",
485                          __func__, ret);
486                }
487            } else {
488                ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
489                      acdb_rx_id, acdb_tx_id);
490            }
491        }
492    }
493
494    return ret;
495}
496
497int platform_start_voice_call(void *platform, uint32_t vsid __unused)
498{
499    struct platform_data *my_data = (struct platform_data *)platform;
500    int ret = 0;
501
502    if (my_data->csd_client) {
503        if (my_data->csd_start_voice == NULL) {
504            ALOGE("dlsym error for csd_client_start_voice");
505            ret = -ENOSYS;
506        } else {
507            ret = my_data->csd_start_voice();
508            if (ret < 0) {
509                ALOGE("%s: csd_start_voice error %d\n", __func__, ret);
510            }
511        }
512    }
513
514    return ret;
515}
516
517int platform_stop_voice_call(void *platform, uint32_t vsid __unused)
518{
519    struct platform_data *my_data = (struct platform_data *)platform;
520    int ret = 0;
521
522    if (my_data->csd_client) {
523        if (my_data->csd_stop_voice == NULL) {
524            ALOGE("dlsym error for csd_stop_voice");
525        } else {
526            ret = my_data->csd_stop_voice();
527            if (ret < 0) {
528                ALOGE("%s: csd_stop_voice error %d\n", __func__, ret);
529            }
530        }
531    }
532
533    return ret;
534}
535
536int platform_set_voice_volume(void *platform, int volume)
537{
538    struct platform_data *my_data = (struct platform_data *)platform;
539    int ret = 0;
540
541    if (my_data->csd_client) {
542        if (my_data->csd_volume == NULL) {
543            ALOGE("%s: dlsym error for csd_volume", __func__);
544        } else {
545            ret = my_data->csd_volume(volume);
546            if (ret < 0) {
547                ALOGE("%s: csd_volume error %d", __func__, ret);
548            }
549        }
550    } else {
551        ALOGE("%s: No CSD Client present", __func__);
552    }
553
554    return ret;
555}
556
557int platform_set_mic_mute(void *platform, bool state)
558{
559    struct platform_data *my_data = (struct platform_data *)platform;
560    int ret = 0;
561
562    if (my_data->adev->mode == AUDIO_MODE_IN_CALL) {
563        if (my_data->csd_client) {
564            if (my_data->csd_mic_mute == NULL) {
565                ALOGE("%s: dlsym error for csd_mic_mute", __func__);
566            } else {
567                ret = my_data->csd_mic_mute(state);
568                if (ret < 0) {
569                    ALOGE("%s: csd_mic_mute error %d", __func__, ret);
570                }
571            }
572        } else {
573            ALOGE("%s: No CSD Client present", __func__);
574        }
575    }
576
577    return ret;
578}
579
580int platform_set_device_mute(void *platform __unused, bool state __unused, char *dir __unused)
581{
582    ALOGE("%s: Not implemented", __func__);
583    return -ENOSYS;
584}
585
586snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices)
587{
588    struct platform_data *my_data = (struct platform_data *)platform;
589    struct audio_device *adev = my_data->adev;
590    audio_mode_t mode = adev->mode;
591    snd_device_t snd_device = SND_DEVICE_NONE;
592
593    ALOGV("%s: enter: output devices(%#x)", __func__, devices);
594    if (devices == AUDIO_DEVICE_NONE ||
595        devices & AUDIO_DEVICE_BIT_IN) {
596        ALOGV("%s: Invalid output devices (%#x)", __func__, devices);
597        goto exit;
598    }
599
600    if (voice_is_in_call(adev)) {
601        if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
602            devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
603            if (adev->voice.tty_mode == TTY_MODE_FULL)
604                snd_device = SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES;
605            else if (adev->voice.tty_mode == TTY_MODE_VCO)
606                snd_device = SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES;
607            else if (adev->voice.tty_mode == TTY_MODE_HCO)
608                snd_device = SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET;
609            else
610                snd_device = SND_DEVICE_OUT_VOICE_HEADPHONES;
611        } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
612            if (adev->bt_wb_speech_enabled) {
613                snd_device = SND_DEVICE_OUT_BT_SCO_WB;
614            } else {
615                snd_device = SND_DEVICE_OUT_BT_SCO;
616            }
617        } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
618            snd_device = SND_DEVICE_OUT_VOICE_SPEAKER;
619        } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
620            if (is_operator_tmus())
621                snd_device = SND_DEVICE_OUT_VOICE_HANDSET_TMUS;
622            else
623                snd_device = SND_DEVICE_OUT_HANDSET;
624        }
625        if (snd_device != SND_DEVICE_NONE) {
626            goto exit;
627        }
628    }
629
630    if (popcount(devices) == 2) {
631        if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
632                        AUDIO_DEVICE_OUT_SPEAKER)) {
633            snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
634        } else if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADSET |
635                               AUDIO_DEVICE_OUT_SPEAKER)) {
636            snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
637        } else if (devices == (AUDIO_DEVICE_OUT_AUX_DIGITAL |
638                               AUDIO_DEVICE_OUT_SPEAKER)) {
639            snd_device = SND_DEVICE_OUT_SPEAKER_AND_HDMI;
640        } else {
641            ALOGE("%s: Invalid combo device(%#x)", __func__, devices);
642            goto exit;
643        }
644        if (snd_device != SND_DEVICE_NONE) {
645            goto exit;
646        }
647    }
648
649    if (popcount(devices) != 1) {
650        ALOGE("%s: Invalid output devices(%#x)", __func__, devices);
651        goto exit;
652    }
653
654    if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
655        devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
656        snd_device = SND_DEVICE_OUT_HEADPHONES;
657    } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
658        if (adev->speaker_lr_swap)
659            snd_device = SND_DEVICE_OUT_SPEAKER_REVERSE;
660        else
661            snd_device = SND_DEVICE_OUT_SPEAKER;
662    } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
663        if (adev->bt_wb_speech_enabled) {
664            snd_device = SND_DEVICE_OUT_BT_SCO_WB;
665        } else {
666            snd_device = SND_DEVICE_OUT_BT_SCO;
667        }
668    } else if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
669        snd_device = SND_DEVICE_OUT_HDMI ;
670    } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
671        snd_device = SND_DEVICE_OUT_HANDSET;
672    } else {
673        ALOGE("%s: Unknown device(s) %#x", __func__, devices);
674    }
675exit:
676    ALOGV("%s: exit: snd_device(%s)", __func__, device_table[snd_device]);
677    return snd_device;
678}
679
680snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device)
681{
682    struct platform_data *my_data = (struct platform_data *)platform;
683    struct audio_device *adev = my_data->adev;
684    audio_source_t  source = (adev->active_input == NULL) ?
685                                AUDIO_SOURCE_DEFAULT : adev->active_input->source;
686
687    audio_mode_t    mode   = adev->mode;
688    audio_devices_t in_device = ((adev->active_input == NULL) ?
689                                    AUDIO_DEVICE_NONE : adev->active_input->device)
690                                & ~AUDIO_DEVICE_BIT_IN;
691    audio_channel_mask_t channel_mask = (adev->active_input == NULL) ?
692                                AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask;
693    snd_device_t snd_device = SND_DEVICE_NONE;
694
695    ALOGV("%s: enter: out_device(%#x) in_device(%#x)",
696          __func__, out_device, in_device);
697    if ((out_device != AUDIO_DEVICE_NONE) && voice_is_in_call(adev)) {
698        if (adev->voice.tty_mode != TTY_MODE_OFF) {
699            if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
700                out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
701                switch (adev->voice.tty_mode) {
702                case TTY_MODE_FULL:
703                    snd_device = SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC;
704                    break;
705                case TTY_MODE_VCO:
706                    snd_device = SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC;
707                    break;
708                case TTY_MODE_HCO:
709                    snd_device = SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC;
710                    break;
711                default:
712                    ALOGE("%s: Invalid TTY mode (%#x)", __func__, adev->voice.tty_mode);
713                }
714                goto exit;
715            }
716        }
717        if (out_device & AUDIO_DEVICE_OUT_EARPIECE ||
718            out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
719            if (my_data->fluence_in_voice_call == false) {
720                snd_device = SND_DEVICE_IN_HANDSET_MIC;
721            } else {
722                if (my_data->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
723                    if (is_operator_tmus())
724                        snd_device = SND_DEVICE_IN_VOICE_DMIC_EF_TMUS;
725                    else
726                        snd_device = SND_DEVICE_IN_VOICE_DMIC_EF;
727                } else if(my_data->dualmic_config == DUALMIC_CONFIG_BROADSIDE)
728                    snd_device = SND_DEVICE_IN_VOICE_DMIC_BS;
729                else
730                    snd_device = SND_DEVICE_IN_HANDSET_MIC;
731            }
732        } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
733            snd_device = SND_DEVICE_IN_VOICE_HEADSET_MIC;
734        } else if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) {
735            if (adev->bt_wb_speech_enabled) {
736                snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
737            } else {
738                snd_device = SND_DEVICE_IN_BT_SCO_MIC;
739            }
740        } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
741            if (my_data->fluence_in_voice_call && my_data->fluence_in_spkr_mode &&
742                    my_data->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
743                snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF;
744            } else if (my_data->fluence_in_voice_call && my_data->fluence_in_spkr_mode &&
745                    my_data->dualmic_config == DUALMIC_CONFIG_BROADSIDE) {
746                snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS;
747            } else {
748                snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
749            }
750        }
751    } else if (source == AUDIO_SOURCE_CAMCORDER) {
752        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC ||
753            in_device & AUDIO_DEVICE_IN_BACK_MIC) {
754            snd_device = SND_DEVICE_IN_CAMCORDER_MIC;
755        }
756    } else if (source == AUDIO_SOURCE_VOICE_RECOGNITION) {
757        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
758            if (my_data->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
759                if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK)
760                    snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF;
761                else if (my_data->fluence_in_voice_rec)
762                    snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE;
763            } else if (my_data->dualmic_config == DUALMIC_CONFIG_BROADSIDE) {
764                if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK)
765                    snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS;
766                else if (my_data->fluence_in_voice_rec)
767                    snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE;
768            }
769
770            if (snd_device == SND_DEVICE_NONE) {
771                snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
772            }
773        }
774    } else if (source == AUDIO_SOURCE_VOICE_COMMUNICATION) {
775        if (out_device & AUDIO_DEVICE_OUT_SPEAKER)
776            in_device = AUDIO_DEVICE_IN_BACK_MIC;
777        if (adev->active_input) {
778            if (adev->active_input->enable_aec) {
779                if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
780                    snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC;
781                } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
782                    snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC;
783                } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
784                    snd_device = SND_DEVICE_IN_HEADSET_MIC_AEC;
785                }
786                set_echo_reference(adev->mixer, "SLIM_RX");
787            } else
788                set_echo_reference(adev->mixer, "NONE");
789        }
790    } else if (source == AUDIO_SOURCE_DEFAULT) {
791        goto exit;
792    }
793
794
795    if (snd_device != SND_DEVICE_NONE) {
796        goto exit;
797    }
798
799    if (in_device != AUDIO_DEVICE_NONE &&
800            !(in_device & AUDIO_DEVICE_IN_VOICE_CALL) &&
801            !(in_device & AUDIO_DEVICE_IN_COMMUNICATION)) {
802        if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
803            snd_device = SND_DEVICE_IN_HANDSET_MIC;
804        } else if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
805            snd_device = SND_DEVICE_IN_SPEAKER_MIC;
806        } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
807            snd_device = SND_DEVICE_IN_HEADSET_MIC;
808        } else if (in_device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
809            if (adev->bt_wb_speech_enabled) {
810                snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
811            } else {
812                snd_device = SND_DEVICE_IN_BT_SCO_MIC;
813            }
814        } else if (in_device & AUDIO_DEVICE_IN_AUX_DIGITAL) {
815            snd_device = SND_DEVICE_IN_HDMI_MIC;
816        } else {
817            ALOGE("%s: Unknown input device(s) %#x", __func__, in_device);
818            ALOGW("%s: Using default handset-mic", __func__);
819            snd_device = SND_DEVICE_IN_HANDSET_MIC;
820        }
821    } else {
822        if (out_device & AUDIO_DEVICE_OUT_EARPIECE) {
823            snd_device = SND_DEVICE_IN_HANDSET_MIC;
824        } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
825            snd_device = SND_DEVICE_IN_HEADSET_MIC;
826        } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
827            snd_device = SND_DEVICE_IN_SPEAKER_MIC;
828        } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
829            snd_device = SND_DEVICE_IN_HANDSET_MIC;
830        } else if (out_device & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) {
831            if (adev->bt_wb_speech_enabled) {
832                snd_device = SND_DEVICE_IN_BT_SCO_MIC_WB;
833            } else {
834                snd_device = SND_DEVICE_IN_BT_SCO_MIC;
835            }
836        } else if (out_device & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
837            snd_device = SND_DEVICE_IN_HDMI_MIC;
838        } else {
839            ALOGE("%s: Unknown output device(s) %#x", __func__, out_device);
840            ALOGW("%s: Using default handset-mic", __func__);
841            snd_device = SND_DEVICE_IN_HANDSET_MIC;
842        }
843    }
844exit:
845    ALOGV("%s: exit: in_snd_device(%s)", __func__, device_table[snd_device]);
846    return snd_device;
847}
848
849int platform_set_hdmi_channels(void *platform,  int channel_count)
850{
851    struct platform_data *my_data = (struct platform_data *)platform;
852    struct audio_device *adev = my_data->adev;
853    struct mixer_ctl *ctl;
854    const char *channel_cnt_str = NULL;
855    const char *mixer_ctl_name = "HDMI_RX Channels";
856    switch (channel_count) {
857    case 8:
858        channel_cnt_str = "Eight"; break;
859    case 7:
860        channel_cnt_str = "Seven"; break;
861    case 6:
862        channel_cnt_str = "Six"; break;
863    case 5:
864        channel_cnt_str = "Five"; break;
865    case 4:
866        channel_cnt_str = "Four"; break;
867    case 3:
868        channel_cnt_str = "Three"; break;
869    default:
870        channel_cnt_str = "Two"; break;
871    }
872    ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
873    if (!ctl) {
874        ALOGE("%s: Could not get ctl for mixer cmd - %s",
875              __func__, mixer_ctl_name);
876        return -EINVAL;
877    }
878    ALOGV("HDMI channel count: %s", channel_cnt_str);
879    mixer_ctl_set_enum_by_string(ctl, channel_cnt_str);
880    return 0;
881}
882
883int platform_edid_get_max_channels(void *platform __unused)
884{
885    FILE *file;
886    struct audio_block_header header;
887    char block[MAX_SAD_BLOCKS * SAD_BLOCK_SIZE];
888    char *sad = block;
889    int num_audio_blocks;
890    int channel_count;
891    int max_channels = 0;
892    int i;
893
894    file = fopen(AUDIO_DATA_BLOCK_PATH, "rb");
895    if (file == NULL) {
896        ALOGE("Unable to open '%s'", AUDIO_DATA_BLOCK_PATH);
897        return 0;
898    }
899
900    /* Read audio block header */
901    fread(&header, 1, sizeof(header), file);
902
903    /* Read SAD blocks, clamping the maximum size for safety */
904    if (header.length > (int)sizeof(block))
905        header.length = (int)sizeof(block);
906    fread(&block, header.length, 1, file);
907
908    fclose(file);
909
910    /* Calculate the number of SAD blocks */
911    num_audio_blocks = header.length / SAD_BLOCK_SIZE;
912
913    for (i = 0; i < num_audio_blocks; i++) {
914        /* Only consider LPCM blocks */
915        if ((sad[0] >> 3) != EDID_FORMAT_LPCM)
916            continue;
917
918        channel_count = (sad[0] & 0x7) + 1;
919        if (channel_count > max_channels)
920            max_channels = channel_count;
921
922        /* Advance to next block */
923        sad += 3;
924    }
925
926    return max_channels;
927}
928
929int platform_set_incall_recording_session_id(void *platform __unused,
930                                             uint32_t session_id __unused, int rec_mode __unused)
931{
932    ALOGE("%s: Not implemented", __func__);
933    return -ENOSYS;
934}
935
936int platform_stop_incall_recording_usecase(void *platform __unused)
937{
938    ALOGE("%s: Not implemented", __func__);
939    return -ENOSYS;
940}
941
942int platform_start_incall_music_usecase(void *platform __unused)
943{
944    ALOGE("%s: Not implemented", __func__);
945    return -ENOSYS;
946}
947
948int platform_stop_incall_music_usecase(void *platform __unused)
949{
950    ALOGE("%s: Not implemented", __func__);
951    return -ENOSYS;
952}
953
954/* Delay in Us */
955int64_t platform_render_latency(audio_usecase_t usecase)
956{
957    switch (usecase) {
958        case USECASE_AUDIO_PLAYBACK_DEEP_BUFFER:
959            return DEEP_BUFFER_PLATFORM_DELAY;
960        case USECASE_AUDIO_PLAYBACK_LOW_LATENCY:
961            return LOW_LATENCY_PLATFORM_DELAY;
962        default:
963            return 0;
964    }
965}
966
967int platform_switch_voice_call_enable_device_config(void *platform __unused,
968                                                    snd_device_t out_snd_device __unused,
969                                                    snd_device_t in_snd_device __unused)
970{
971    return 0;
972}
973
974int platform_switch_voice_call_usecase_route_post(void *platform __unused,
975                                                  snd_device_t out_snd_device __unused,
976                                                  snd_device_t in_snd_device __unused)
977{
978    return 0;
979}
980
981int platform_get_sample_rate(void *platform __unused, uint32_t *rate __unused)
982{
983    return -ENOSYS;
984}
985
986int platform_get_usecase_index(const char * usecase __unused)
987{
988    return -ENOSYS;
989}
990
991int platform_set_usecase_pcm_id(audio_usecase_t usecase __unused, int32_t type __unused,
992                                int32_t pcm_id __unused)
993{
994    return -ENOSYS;
995}
996
997int platform_set_snd_device_backend(snd_device_t device __unused,
998                                    const char *backend __unused)
999{
1000    return -ENOSYS;
1001}
1002
1003void platform_set_echo_reference(struct audio_device *adev, bool enable, audio_devices_t out_device)
1004{
1005    return;
1006}
1007