Audio: 8916 Audio HAL bringup changes
-Separate platform specific code from generic audio HAL code
-Platform specific code is:
- platform initialization
- pcm device selection
- pcm stream configuration
- sound device selection
- acdb ID selection
- HDMI configuration
Change-Id: I9b02d60035ea632776e59c9d953909d3b851f3d7
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
new file mode 100644
index 0000000..d563288
--- /dev/null
+++ b/hal/msm8916/platform.c
@@ -0,0 +1,754 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "msm8974_platform"
+/*#define LOG_NDEBUG 0*/
+#define LOG_NDDEBUG 0
+
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <cutils/log.h>
+#include <cutils/properties.h>
+#include <audio_hw.h>
+#include <platform_api.h>
+#include "platform.h"
+
+#define LIB_ACDB_LOADER "libacdbloader.so"
+
+#define DUALMIC_CONFIG_NONE 0 /* Target does not contain 2 mics */
+#define DUALMIC_CONFIG_ENDFIRE 1
+#define DUALMIC_CONFIG_BROADSIDE 2
+
+/*
+ * This is the sysfs path for the HDMI audio data block
+ */
+#define AUDIO_DATA_BLOCK_PATH "/sys/class/graphics/fb1/audio_data_block"
+
+/*
+ * This file will have a maximum of 38 bytes:
+ *
+ * 4 bytes: number of audio blocks
+ * 4 bytes: total length of Short Audio Descriptor (SAD) blocks
+ * Maximum 10 * 3 bytes: SAD blocks
+ */
+#define MAX_SAD_BLOCKS 10
+#define SAD_BLOCK_SIZE 3
+
+/* EDID format ID for LPCM audio */
+#define EDID_FORMAT_LPCM 1
+
+struct audio_block_header
+{
+ int reserved;
+ int length;
+};
+
+typedef void (*acdb_deallocate_t)();
+typedef int (*acdb_init_t)();
+typedef void (*acdb_send_audio_cal_t)(int, int);
+typedef void (*acdb_send_voice_cal_t)(int, int);
+
+/* Audio calibration related functions */
+struct platform_data {
+ struct audio_device *adev;
+ bool fluence_in_spkr_mode;
+ bool fluence_in_voice_call;
+ bool fluence_in_voice_rec;
+ int dualmic_config;
+
+ void *acdb_handle;
+ acdb_init_t acdb_init;
+ acdb_deallocate_t acdb_deallocate;
+ acdb_send_audio_cal_t acdb_send_audio_cal;
+ acdb_send_voice_cal_t acdb_send_voice_cal;
+};
+
+static const int pcm_device_table[AUDIO_USECASE_MAX][2] = {
+ [USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {0, 0},
+ [USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {15, 15},
+ [USECASE_AUDIO_PLAYBACK_MULTI_CH] = {1, 1},
+ [USECASE_AUDIO_RECORD] = {0, 0},
+ [USECASE_AUDIO_RECORD_LOW_LATENCY] = {15, 15},
+ [USECASE_VOICE_CALL] = {2, 2},
+};
+
+/* Array to store sound devices */
+static const char * const device_table[SND_DEVICE_MAX] = {
+ [SND_DEVICE_NONE] = "none",
+ /* Playback sound devices */
+ [SND_DEVICE_OUT_HANDSET] = "handset",
+ [SND_DEVICE_OUT_SPEAKER] = "speaker",
+ [SND_DEVICE_OUT_SPEAKER_REVERSE] = "speaker-reverse",
+ [SND_DEVICE_OUT_HEADPHONES] = "headphones",
+ [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = "speaker-and-headphones",
+ [SND_DEVICE_OUT_VOICE_HANDSET] = "voice-handset",
+ [SND_DEVICE_OUT_VOICE_SPEAKER] = "voice-speaker",
+ [SND_DEVICE_OUT_VOICE_HEADPHONES] = "voice-headphones",
+ [SND_DEVICE_OUT_HDMI] = "hdmi",
+ [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = "speaker-and-hdmi",
+ [SND_DEVICE_OUT_BT_SCO] = "bt-sco-headset",
+ [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = "voice-handset-tmus",
+ [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
+ [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
+ [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
+
+ /* Capture sound devices */
+ [SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
+ [SND_DEVICE_IN_SPEAKER_MIC] = "speaker-mic",
+ [SND_DEVICE_IN_HEADSET_MIC] = "headset-mic",
+ [SND_DEVICE_IN_HANDSET_MIC_AEC] = "handset-mic",
+ [SND_DEVICE_IN_SPEAKER_MIC_AEC] = "voice-speaker-mic",
+ [SND_DEVICE_IN_HEADSET_MIC_AEC] = "headset-mic",
+ [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = "voice-speaker-mic",
+ [SND_DEVICE_IN_VOICE_HEADSET_MIC] = "voice-headset-mic",
+ [SND_DEVICE_IN_HDMI_MIC] = "hdmi-mic",
+ [SND_DEVICE_IN_BT_SCO_MIC] = "bt-sco-mic",
+ [SND_DEVICE_IN_CAMCORDER_MIC] = "camcorder-mic",
+ [SND_DEVICE_IN_VOICE_DMIC_EF] = "voice-dmic-ef",
+ [SND_DEVICE_IN_VOICE_DMIC_BS] = "voice-dmic-bs",
+ [SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = "voice-dmic-ef-tmus",
+ [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = "voice-speaker-dmic-ef",
+ [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = "voice-speaker-dmic-bs",
+ [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = "voice-tty-full-headset-mic",
+ [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = "voice-tty-vco-handset-mic",
+ [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = "voice-tty-hco-headset-mic",
+ [SND_DEVICE_IN_VOICE_REC_MIC] = "voice-rec-mic",
+ [SND_DEVICE_IN_VOICE_REC_DMIC_EF] = "voice-rec-dmic-ef",
+ [SND_DEVICE_IN_VOICE_REC_DMIC_BS] = "voice-rec-dmic-bs",
+ [SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = "voice-rec-dmic-ef-fluence",
+ [SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = "voice-rec-dmic-bs-fluence",
+};
+
+/* ACDB IDs (audio DSP path configuration IDs) for each sound device */
+static const int acdb_device_table[SND_DEVICE_MAX] = {
+ [SND_DEVICE_NONE] = -1,
+ [SND_DEVICE_OUT_HANDSET] = 7,
+ [SND_DEVICE_OUT_SPEAKER] = 15,
+ [SND_DEVICE_OUT_SPEAKER_REVERSE] = 15,
+ [SND_DEVICE_OUT_HEADPHONES] = 10,
+ [SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES] = 10,
+ [SND_DEVICE_OUT_VOICE_HANDSET] = 7,
+ [SND_DEVICE_OUT_VOICE_SPEAKER] = 15,
+ [SND_DEVICE_OUT_VOICE_HEADPHONES] = 10,
+ [SND_DEVICE_OUT_HDMI] = 18,
+ [SND_DEVICE_OUT_SPEAKER_AND_HDMI] = 15,
+ [SND_DEVICE_OUT_BT_SCO] = 22,
+ [SND_DEVICE_OUT_VOICE_HANDSET_TMUS] = 81,
+ [SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
+ [SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
+ [SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37,
+
+ [SND_DEVICE_IN_HANDSET_MIC] = 4,
+ [SND_DEVICE_IN_SPEAKER_MIC] = 4, /* ToDo: Check if this needs to changed to 11 */
+ [SND_DEVICE_IN_HEADSET_MIC] = 8,
+ [SND_DEVICE_IN_HANDSET_MIC_AEC] = 40,
+ [SND_DEVICE_IN_SPEAKER_MIC_AEC] = 42,
+ [SND_DEVICE_IN_HEADSET_MIC_AEC] = 47,
+ [SND_DEVICE_IN_VOICE_SPEAKER_MIC] = 11,
+ [SND_DEVICE_IN_VOICE_HEADSET_MIC] = 8,
+ [SND_DEVICE_IN_HDMI_MIC] = 4,
+ [SND_DEVICE_IN_BT_SCO_MIC] = 21,
+ [SND_DEVICE_IN_CAMCORDER_MIC] = 61,
+ [SND_DEVICE_IN_VOICE_DMIC_EF] = 41,
+ [SND_DEVICE_IN_VOICE_DMIC_BS] = 5,
+ [SND_DEVICE_IN_VOICE_DMIC_EF_TMUS] = 91,
+ [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF] = 43,
+ [SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS] = 12,
+ [SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC] = 16,
+ [SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC] = 36,
+ [SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC] = 16,
+ [SND_DEVICE_IN_VOICE_REC_MIC] = 62,
+ /* TODO: Update with proper acdb ids */
+ [SND_DEVICE_IN_VOICE_REC_DMIC_EF] = 62,
+ [SND_DEVICE_IN_VOICE_REC_DMIC_BS] = 62,
+ [SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE] = 6,
+ [SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE] = 5,
+};
+
+static pthread_once_t check_op_once_ctl = PTHREAD_ONCE_INIT;
+static bool is_tmus = false;
+
+static void check_operator()
+{
+ char value[PROPERTY_VALUE_MAX];
+ int mccmnc;
+ property_get("gsm.sim.operator.numeric",value,"0");
+ mccmnc = atoi(value);
+ ALOGD("%s: tmus mccmnc %d", __func__, mccmnc);
+ switch(mccmnc) {
+ /* TMUS MCC(310), MNC(490, 260, 026) */
+ case 310490:
+ case 310260:
+ case 310026:
+ is_tmus = true;
+ break;
+ }
+}
+
+bool is_operator_tmus()
+{
+ pthread_once(&check_op_once_ctl, check_operator);
+ return is_tmus;
+}
+
+static int set_echo_reference(struct mixer *mixer, const char* ec_ref)
+{
+ struct mixer_ctl *ctl;
+ const char *mixer_ctl_name = "EC_REF_RX";
+
+ ctl = mixer_get_ctl_by_name(mixer, mixer_ctl_name);
+ if (!ctl) {
+ ALOGE("%s: Could not get ctl for mixer cmd - %s",
+ __func__, mixer_ctl_name);
+ return -EINVAL;
+ }
+ ALOGV("Setting EC Reference: %s", ec_ref);
+ mixer_ctl_set_enum_by_string(ctl, ec_ref);
+ return 0;
+}
+
+void *platform_init(struct audio_device *adev)
+{
+ char value[PROPERTY_VALUE_MAX];
+ struct platform_data *my_data;
+
+ my_data = calloc(1, sizeof(struct platform_data));
+
+ my_data->adev = adev;
+ my_data->dualmic_config = DUALMIC_CONFIG_NONE;
+ my_data->fluence_in_spkr_mode = false;
+ my_data->fluence_in_voice_call = false;
+ my_data->fluence_in_voice_rec = false;
+
+ property_get("persist.audio.dualmic.config",value,"");
+ if (!strcmp("broadside", value)) {
+ my_data->dualmic_config = DUALMIC_CONFIG_BROADSIDE;
+ adev->acdb_settings |= DMIC_FLAG;
+ } else if (!strcmp("endfire", value)) {
+ my_data->dualmic_config = DUALMIC_CONFIG_ENDFIRE;
+ adev->acdb_settings |= DMIC_FLAG;
+ }
+
+ if (my_data->dualmic_config != DUALMIC_CONFIG_NONE) {
+ property_get("persist.audio.fluence.voicecall",value,"");
+ if (!strcmp("true", value)) {
+ my_data->fluence_in_voice_call = true;
+ }
+
+ property_get("persist.audio.fluence.voicerec",value,"");
+ if (!strcmp("true", value)) {
+ my_data->fluence_in_voice_rec = true;
+ }
+
+ property_get("persist.audio.fluence.speaker",value,"");
+ if (!strcmp("true", value)) {
+ my_data->fluence_in_spkr_mode = true;
+ }
+ }
+
+ my_data->acdb_handle = dlopen(LIB_ACDB_LOADER, RTLD_NOW);
+ if (my_data->acdb_handle == NULL) {
+ ALOGE("%s: DLOPEN failed for %s", __func__, LIB_ACDB_LOADER);
+ } else {
+ ALOGV("%s: DLOPEN successful for %s", __func__, LIB_ACDB_LOADER);
+ my_data->acdb_deallocate = (acdb_deallocate_t)dlsym(my_data->acdb_handle,
+ "acdb_loader_deallocate_ACDB");
+ my_data->acdb_send_audio_cal = (acdb_send_audio_cal_t)dlsym(my_data->acdb_handle,
+ "acdb_loader_send_audio_cal");
+ if (!my_data->acdb_send_audio_cal)
+ ALOGW("%s: Could not find the symbol acdb_send_audio_cal from %s",
+ __func__, LIB_ACDB_LOADER);
+ my_data->acdb_send_voice_cal = (acdb_send_voice_cal_t)dlsym(my_data->acdb_handle,
+ "acdb_loader_send_voice_cal");
+ my_data->acdb_init = (acdb_init_t)dlsym(my_data->acdb_handle,
+ "acdb_loader_init_ACDB");
+ if (my_data->acdb_init == NULL)
+ ALOGE("%s: dlsym error %s for acdb_loader_init_ACDB", __func__, dlerror());
+ else
+ my_data->acdb_init();
+ }
+
+ return my_data;
+}
+
+void platform_deinit(void *platform)
+{
+ free(platform);
+}
+
+const char *platform_get_snd_device_name(snd_device_t snd_device)
+{
+ if (snd_device >= SND_DEVICE_MIN && snd_device < SND_DEVICE_MAX)
+ return device_table[snd_device];
+ else
+ return "";
+}
+
+void platform_add_backend_name(char *mixer_path, snd_device_t snd_device)
+{
+ if (snd_device == SND_DEVICE_IN_BT_SCO_MIC)
+ strcat(mixer_path, " bt-sco");
+ else if(snd_device == SND_DEVICE_OUT_BT_SCO)
+ strcat(mixer_path, " bt-sco");
+ else if (snd_device == SND_DEVICE_OUT_HDMI)
+ strcat(mixer_path, " hdmi");
+ else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HDMI)
+ strcat(mixer_path, " speaker-and-hdmi");
+}
+
+int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type)
+{
+ int device_id;
+ if (device_type == PCM_PLAYBACK)
+ device_id = pcm_device_table[usecase][0];
+ else
+ device_id = pcm_device_table[usecase][1];
+ return device_id;
+}
+
+int platform_send_audio_calibration(void *platform, snd_device_t snd_device)
+{
+ struct platform_data *my_data = (struct platform_data *)platform;
+ int acdb_dev_id, acdb_dev_type;
+
+ acdb_dev_id = acdb_device_table[snd_device];
+ if (acdb_dev_id < 0) {
+ ALOGE("%s: Could not find acdb id for device(%d)",
+ __func__, snd_device);
+ return -EINVAL;
+ }
+ if (my_data->acdb_send_audio_cal) {
+ ALOGD("%s: sending audio calibration for snd_device(%d) acdb_id(%d)",
+ __func__, snd_device, acdb_dev_id);
+ if (snd_device >= SND_DEVICE_OUT_BEGIN &&
+ snd_device < SND_DEVICE_OUT_END)
+ acdb_dev_type = ACDB_DEV_TYPE_OUT;
+ else
+ acdb_dev_type = ACDB_DEV_TYPE_IN;
+ my_data->acdb_send_audio_cal(acdb_dev_id, acdb_dev_type);
+ }
+ return 0;
+}
+
+int platform_switch_voice_call_device_pre(void *platform)
+{
+ return 0;
+}
+
+int platform_switch_voice_call_device_post(void *platform,
+ snd_device_t out_snd_device,
+ snd_device_t in_snd_device)
+{
+ struct platform_data *my_data = (struct platform_data *)platform;
+ int acdb_rx_id, acdb_tx_id;
+
+ if (my_data->acdb_send_voice_cal == NULL) {
+ ALOGE("%s: dlsym error for acdb_send_voice_call", __func__);
+ } else {
+ acdb_rx_id = acdb_device_table[out_snd_device];
+ acdb_tx_id = acdb_device_table[in_snd_device];
+
+ if (acdb_rx_id > 0 && acdb_tx_id > 0)
+ my_data->acdb_send_voice_cal(acdb_rx_id, acdb_tx_id);
+ else
+ ALOGE("%s: Incorrect ACDB IDs (rx: %d tx: %d)", __func__,
+ acdb_rx_id, acdb_tx_id);
+ }
+
+ return 0;
+}
+
+int platform_start_voice_call(void *platform)
+{
+ return 0;
+}
+
+int platform_stop_voice_call(void *platform)
+{
+ return 0;
+}
+
+int platform_set_voice_volume(void *platform, int volume)
+{
+ struct platform_data *my_data = (struct platform_data *)platform;
+ struct audio_device *adev = my_data->adev;
+ struct mixer_ctl *ctl;
+ const char *mixer_ctl_name = "Voice Rx Volume";
+
+ // Voice volume levels are mapped to adsp volume levels as follows.
+ // 100 -> 5, 80 -> 4, 60 -> 3, 40 -> 2, 20 -> 1 0 -> 0
+ // But this values don't changed in kernel. So, below change is need.
+ volume = volume / 20;
+
+ ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+ if (!ctl) {
+ ALOGE("%s: Could not get ctl for mixer cmd - %s",
+ __func__, mixer_ctl_name);
+ return -EINVAL;
+ }
+ ALOGV("Setting voice volume: %d", volume);
+ mixer_ctl_set_value(ctl, 0, volume);
+
+ return 0;
+}
+
+int platform_set_mic_mute(void *platform, bool state)
+{
+ struct platform_data *my_data = (struct platform_data *)platform;
+ struct audio_device *adev = my_data->adev;
+ struct mixer_ctl *ctl;
+ const char *mixer_ctl_name = "Voice Tx Mute";
+
+ if (adev->mode == AUDIO_MODE_IN_CALL) {
+ ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+ if (!ctl) {
+ ALOGE("%s: Could not get ctl for mixer cmd - %s",
+ __func__, mixer_ctl_name);
+ return -EINVAL;
+ }
+ ALOGV("Setting mic mute: %d", state);
+ mixer_ctl_set_value(ctl, 0, state);
+ }
+
+ return 0;
+}
+
+snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices)
+{
+ struct platform_data *my_data = (struct platform_data *)platform;
+ struct audio_device *adev = my_data->adev;
+ audio_mode_t mode = adev->mode;
+ snd_device_t snd_device = SND_DEVICE_NONE;
+
+ ALOGV("%s: enter: output devices(%#x)", __func__, devices);
+ if (devices == AUDIO_DEVICE_NONE ||
+ devices & AUDIO_DEVICE_BIT_IN) {
+ ALOGV("%s: Invalid output devices (%#x)", __func__, devices);
+ goto exit;
+ }
+
+ if (mode == AUDIO_MODE_IN_CALL) {
+ if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
+ devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+ if (adev->tty_mode == TTY_MODE_FULL)
+ snd_device = SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES;
+ else if (adev->tty_mode == TTY_MODE_VCO)
+ snd_device = SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES;
+ else if (adev->tty_mode == TTY_MODE_HCO)
+ snd_device = SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET;
+ else
+ snd_device = SND_DEVICE_OUT_VOICE_HEADPHONES;
+ } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
+ snd_device = SND_DEVICE_OUT_BT_SCO;
+ } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
+ snd_device = SND_DEVICE_OUT_VOICE_SPEAKER;
+ } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
+ if (is_operator_tmus())
+ snd_device = SND_DEVICE_OUT_VOICE_HANDSET_TMUS;
+ else
+ snd_device = SND_DEVICE_OUT_HANDSET;
+ }
+ if (snd_device != SND_DEVICE_NONE) {
+ goto exit;
+ }
+ }
+
+ if (popcount(devices) == 2) {
+ if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
+ AUDIO_DEVICE_OUT_SPEAKER)) {
+ snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
+ } else if (devices == (AUDIO_DEVICE_OUT_WIRED_HEADSET |
+ AUDIO_DEVICE_OUT_SPEAKER)) {
+ snd_device = SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES;
+ } else if (devices == (AUDIO_DEVICE_OUT_AUX_DIGITAL |
+ AUDIO_DEVICE_OUT_SPEAKER)) {
+ snd_device = SND_DEVICE_OUT_SPEAKER_AND_HDMI;
+ } else {
+ ALOGE("%s: Invalid combo device(%#x)", __func__, devices);
+ goto exit;
+ }
+ if (snd_device != SND_DEVICE_NONE) {
+ goto exit;
+ }
+ }
+
+ if (popcount(devices) != 1) {
+ ALOGE("%s: Invalid output devices(%#x)", __func__, devices);
+ goto exit;
+ }
+
+ if (devices & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
+ devices & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+ snd_device = SND_DEVICE_OUT_HEADPHONES;
+ } else if (devices & AUDIO_DEVICE_OUT_SPEAKER) {
+ if (adev->speaker_lr_swap)
+ snd_device = SND_DEVICE_OUT_SPEAKER_REVERSE;
+ else
+ snd_device = SND_DEVICE_OUT_SPEAKER;
+ } else if (devices & AUDIO_DEVICE_OUT_ALL_SCO) {
+ snd_device = SND_DEVICE_OUT_BT_SCO;
+ } else if (devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
+ snd_device = SND_DEVICE_OUT_HDMI ;
+ } else if (devices & AUDIO_DEVICE_OUT_EARPIECE) {
+ snd_device = SND_DEVICE_OUT_HANDSET;
+ } else {
+ ALOGE("%s: Unknown device(s) %#x", __func__, devices);
+ }
+exit:
+ ALOGV("%s: exit: snd_device(%s)", __func__, device_table[snd_device]);
+ return snd_device;
+}
+
+snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device)
+{
+ struct platform_data *my_data = (struct platform_data *)platform;
+ struct audio_device *adev = my_data->adev;
+ audio_source_t source = (adev->active_input == NULL) ?
+ AUDIO_SOURCE_DEFAULT : adev->active_input->source;
+
+ audio_mode_t mode = adev->mode;
+ audio_devices_t in_device = ((adev->active_input == NULL) ?
+ AUDIO_DEVICE_NONE : adev->active_input->device)
+ & ~AUDIO_DEVICE_BIT_IN;
+ audio_channel_mask_t channel_mask = (adev->active_input == NULL) ?
+ AUDIO_CHANNEL_IN_MONO : adev->active_input->channel_mask;
+ snd_device_t snd_device = SND_DEVICE_NONE;
+
+ ALOGV("%s: enter: out_device(%#x) in_device(%#x)",
+ __func__, out_device, in_device);
+ if (mode == AUDIO_MODE_IN_CALL) {
+ if (out_device == AUDIO_DEVICE_NONE) {
+ ALOGE("%s: No output device set for voice call", __func__);
+ goto exit;
+ }
+ if (adev->tty_mode != TTY_MODE_OFF) {
+ if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE ||
+ out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+ switch (adev->tty_mode) {
+ case TTY_MODE_FULL:
+ snd_device = SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC;
+ break;
+ case TTY_MODE_VCO:
+ snd_device = SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC;
+ break;
+ case TTY_MODE_HCO:
+ snd_device = SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC;
+ break;
+ default:
+ ALOGE("%s: Invalid TTY mode (%#x)", __func__, adev->tty_mode);
+ }
+ goto exit;
+ }
+ }
+ if (out_device & AUDIO_DEVICE_OUT_EARPIECE ||
+ out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
+ if (my_data->fluence_in_voice_call == false) {
+ snd_device = SND_DEVICE_IN_HANDSET_MIC;
+ } else {
+ if (my_data->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
+ if (is_operator_tmus())
+ snd_device = SND_DEVICE_IN_VOICE_DMIC_EF_TMUS;
+ else
+ snd_device = SND_DEVICE_IN_VOICE_DMIC_EF;
+ } else if(my_data->dualmic_config == DUALMIC_CONFIG_BROADSIDE)
+ snd_device = SND_DEVICE_IN_VOICE_DMIC_BS;
+ else
+ snd_device = SND_DEVICE_IN_HANDSET_MIC;
+ }
+ } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+ snd_device = SND_DEVICE_IN_VOICE_HEADSET_MIC;
+ } else if (out_device & AUDIO_DEVICE_OUT_ALL_SCO) {
+ snd_device = SND_DEVICE_IN_BT_SCO_MIC ;
+ } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
+ if (my_data->fluence_in_voice_call && my_data->fluence_in_spkr_mode &&
+ my_data->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
+ snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF;
+ } else if (my_data->fluence_in_voice_call && my_data->fluence_in_spkr_mode &&
+ my_data->dualmic_config == DUALMIC_CONFIG_BROADSIDE) {
+ snd_device = SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS;
+ } else {
+ snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
+ }
+ }
+ } else if (source == AUDIO_SOURCE_CAMCORDER) {
+ if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC ||
+ in_device & AUDIO_DEVICE_IN_BACK_MIC) {
+ snd_device = SND_DEVICE_IN_CAMCORDER_MIC;
+ }
+ } else if (source == AUDIO_SOURCE_VOICE_RECOGNITION) {
+ if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+ if (my_data->dualmic_config == DUALMIC_CONFIG_ENDFIRE) {
+ if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK)
+ snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF;
+ else if (my_data->fluence_in_voice_rec)
+ snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE;
+ } else if (my_data->dualmic_config == DUALMIC_CONFIG_BROADSIDE) {
+ if (channel_mask == AUDIO_CHANNEL_IN_FRONT_BACK)
+ snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS;
+ else if (my_data->fluence_in_voice_rec)
+ snd_device = SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE;
+ }
+
+ if (snd_device == SND_DEVICE_NONE) {
+ snd_device = SND_DEVICE_IN_VOICE_REC_MIC;
+ }
+ }
+ } else if (source == AUDIO_SOURCE_VOICE_COMMUNICATION) {
+ if (out_device & AUDIO_DEVICE_OUT_SPEAKER)
+ in_device = AUDIO_DEVICE_IN_BACK_MIC;
+ if (adev->active_input) {
+ if (adev->active_input->enable_aec) {
+ if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
+ snd_device = SND_DEVICE_IN_SPEAKER_MIC_AEC;
+ } else if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+ snd_device = SND_DEVICE_IN_HANDSET_MIC_AEC;
+ } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
+ snd_device = SND_DEVICE_IN_HEADSET_MIC_AEC;
+ }
+ set_echo_reference(adev->mixer, "SLIM_RX");
+ } else
+ set_echo_reference(adev->mixer, "NONE");
+ }
+ } else if (source == AUDIO_SOURCE_DEFAULT) {
+ goto exit;
+ }
+
+
+ if (snd_device != SND_DEVICE_NONE) {
+ goto exit;
+ }
+
+ if (in_device != AUDIO_DEVICE_NONE &&
+ !(in_device & AUDIO_DEVICE_IN_VOICE_CALL) &&
+ !(in_device & AUDIO_DEVICE_IN_COMMUNICATION)) {
+ if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC) {
+ snd_device = SND_DEVICE_IN_HANDSET_MIC;
+ } else if (in_device & AUDIO_DEVICE_IN_BACK_MIC) {
+ snd_device = SND_DEVICE_IN_SPEAKER_MIC;
+ } else if (in_device & AUDIO_DEVICE_IN_WIRED_HEADSET) {
+ snd_device = SND_DEVICE_IN_HEADSET_MIC;
+ } else if (in_device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
+ snd_device = SND_DEVICE_IN_BT_SCO_MIC ;
+ } else if (in_device & AUDIO_DEVICE_IN_AUX_DIGITAL) {
+ snd_device = SND_DEVICE_IN_HDMI_MIC;
+ } else {
+ ALOGE("%s: Unknown input device(s) %#x", __func__, in_device);
+ ALOGW("%s: Using default handset-mic", __func__);
+ snd_device = SND_DEVICE_IN_HANDSET_MIC;
+ }
+ } else {
+ if (out_device & AUDIO_DEVICE_OUT_EARPIECE) {
+ snd_device = SND_DEVICE_IN_HANDSET_MIC;
+ } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADSET) {
+ snd_device = SND_DEVICE_IN_HEADSET_MIC;
+ } else if (out_device & AUDIO_DEVICE_OUT_SPEAKER) {
+ snd_device = SND_DEVICE_IN_SPEAKER_MIC;
+ } else if (out_device & AUDIO_DEVICE_OUT_WIRED_HEADPHONE) {
+ snd_device = SND_DEVICE_IN_HANDSET_MIC;
+ } else if (out_device & AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET) {
+ snd_device = SND_DEVICE_IN_BT_SCO_MIC;
+ } else if (out_device & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
+ snd_device = SND_DEVICE_IN_HDMI_MIC;
+ } else {
+ ALOGE("%s: Unknown output device(s) %#x", __func__, out_device);
+ ALOGW("%s: Using default handset-mic", __func__);
+ snd_device = SND_DEVICE_IN_HANDSET_MIC;
+ }
+ }
+exit:
+ ALOGV("%s: exit: in_snd_device(%s)", __func__, device_table[snd_device]);
+ return snd_device;
+}
+
+int platform_set_hdmi_channels(void *platform, int channel_count)
+{
+ struct platform_data *my_data = (struct platform_data *)platform;
+ struct audio_device *adev = my_data->adev;
+ struct mixer_ctl *ctl;
+ const char *channel_cnt_str = NULL;
+ const char *mixer_ctl_name = "HDMI_RX Channels";
+ switch (channel_count) {
+ case 8:
+ channel_cnt_str = "Eight"; break;
+ case 7:
+ channel_cnt_str = "Seven"; break;
+ case 6:
+ channel_cnt_str = "Six"; break;
+ case 5:
+ channel_cnt_str = "Five"; break;
+ case 4:
+ channel_cnt_str = "Four"; break;
+ case 3:
+ channel_cnt_str = "Three"; break;
+ default:
+ channel_cnt_str = "Two"; break;
+ }
+ ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
+ if (!ctl) {
+ ALOGE("%s: Could not get ctl for mixer cmd - %s",
+ __func__, mixer_ctl_name);
+ return -EINVAL;
+ }
+ ALOGV("HDMI channel count: %s", channel_cnt_str);
+ mixer_ctl_set_enum_by_string(ctl, channel_cnt_str);
+ return 0;
+}
+
+int platform_edid_get_max_channels(void)
+{
+ FILE *file;
+ struct audio_block_header header;
+ char block[MAX_SAD_BLOCKS * SAD_BLOCK_SIZE];
+ char *sad = block;
+ int num_audio_blocks;
+ int channel_count;
+ int max_channels = 0;
+ int i;
+
+ file = fopen(AUDIO_DATA_BLOCK_PATH, "rb");
+ if (file == NULL) {
+ ALOGE("Unable to open '%s'", AUDIO_DATA_BLOCK_PATH);
+ return 0;
+ }
+
+ /* Read audio block header */
+ fread(&header, 1, sizeof(header), file);
+
+ /* Read SAD blocks, clamping the maximum size for safety */
+ if (header.length > (int)sizeof(block))
+ header.length = (int)sizeof(block);
+ fread(&block, header.length, 1, file);
+
+ fclose(file);
+
+ /* Calculate the number of SAD blocks */
+ num_audio_blocks = header.length / SAD_BLOCK_SIZE;
+
+ for (i = 0; i < num_audio_blocks; i++) {
+ /* Only consider LPCM blocks */
+ if ((sad[0] >> 3) != EDID_FORMAT_LPCM)
+ continue;
+
+ channel_count = (sad[0] & 0x7) + 1;
+ if (channel_count > max_channels)
+ max_channels = channel_count;
+
+ /* Advance to next block */
+ sad += 3;
+ }
+
+ return max_channels;
+}
diff --git a/hal/msm8916/platform.h b/hal/msm8916/platform.h
new file mode 100644
index 0000000..9b97648
--- /dev/null
+++ b/hal/msm8916/platform.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef QCOM_AUDIO_PLATFORM_H
+#define QCOM_AUDIO_PLATFORM_H
+
+/*
+ * Below are the devices for which is back end is same, SLIMBUS_0_RX.
+ * All these devices are handled by the internal HW codec. We can
+ * enable any one of these devices at any time
+ */
+#define AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND \
+ (AUDIO_DEVICE_OUT_EARPIECE | AUDIO_DEVICE_OUT_SPEAKER | \
+ AUDIO_DEVICE_OUT_WIRED_HEADSET | AUDIO_DEVICE_OUT_WIRED_HEADPHONE)
+
+/* Sound devices specific to the platform
+ * The DEVICE_OUT_* and DEVICE_IN_* should be mapped to these sound
+ * devices to enable corresponding mixer paths
+ */
+enum {
+ SND_DEVICE_NONE = 0,
+
+ /* Playback devices */
+ SND_DEVICE_MIN,
+ SND_DEVICE_OUT_BEGIN = SND_DEVICE_MIN,
+ SND_DEVICE_OUT_HANDSET = SND_DEVICE_OUT_BEGIN,
+ SND_DEVICE_OUT_SPEAKER,
+ SND_DEVICE_OUT_SPEAKER_REVERSE,
+ SND_DEVICE_OUT_HEADPHONES,
+ SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
+ SND_DEVICE_OUT_VOICE_HANDSET,
+ SND_DEVICE_OUT_VOICE_SPEAKER,
+ SND_DEVICE_OUT_VOICE_HEADPHONES,
+ SND_DEVICE_OUT_HDMI,
+ SND_DEVICE_OUT_SPEAKER_AND_HDMI,
+ SND_DEVICE_OUT_BT_SCO,
+ SND_DEVICE_OUT_VOICE_HANDSET_TMUS,
+ SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
+ SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
+ SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET,
+ SND_DEVICE_OUT_END,
+
+ /*
+ * Note: IN_BEGIN should be same as OUT_END because total number of devices
+ * SND_DEVICES_MAX should not exceed MAX_RX + MAX_TX devices.
+ */
+ /* Capture devices */
+ SND_DEVICE_IN_BEGIN = SND_DEVICE_OUT_END,
+ SND_DEVICE_IN_HANDSET_MIC = SND_DEVICE_IN_BEGIN,
+ SND_DEVICE_IN_SPEAKER_MIC,
+ SND_DEVICE_IN_HEADSET_MIC,
+ SND_DEVICE_IN_HANDSET_MIC_AEC,
+ SND_DEVICE_IN_SPEAKER_MIC_AEC,
+ SND_DEVICE_IN_HEADSET_MIC_AEC,
+ SND_DEVICE_IN_VOICE_SPEAKER_MIC,
+ SND_DEVICE_IN_VOICE_HEADSET_MIC,
+ SND_DEVICE_IN_HDMI_MIC,
+ SND_DEVICE_IN_BT_SCO_MIC,
+ SND_DEVICE_IN_CAMCORDER_MIC,
+ SND_DEVICE_IN_VOICE_DMIC_EF,
+ SND_DEVICE_IN_VOICE_DMIC_BS,
+ SND_DEVICE_IN_VOICE_DMIC_EF_TMUS,
+ SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF,
+ SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS,
+ SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC,
+ SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC,
+ SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC,
+ SND_DEVICE_IN_VOICE_REC_MIC,
+ SND_DEVICE_IN_VOICE_REC_DMIC_EF,
+ SND_DEVICE_IN_VOICE_REC_DMIC_BS,
+ SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE,
+ SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE,
+ SND_DEVICE_IN_END,
+
+ SND_DEVICE_MAX = SND_DEVICE_IN_END,
+
+};
+
+#define MIXER_CARD 0
+#define SOUND_CARD 0
+
+#define DEFAULT_OUTPUT_SAMPLING_RATE 48000
+
+/*
+ * tinyAlsa library interprets period size as number of frames
+ * one frame = channel_count * sizeof (pcm sample)
+ * so if format = 16-bit PCM and channels = Stereo, frame size = 2 ch * 2 = 4 bytes
+ * DEEP_BUFFER_OUTPUT_PERIOD_SIZE = 1024 means 1024 * 4 = 4096 bytes
+ * We should take care of returning proper size when AudioFlinger queries for
+ * the buffer size of an input/output stream
+ */
+#define DEEP_BUFFER_OUTPUT_PERIOD_SIZE 1024
+#define DEEP_BUFFER_OUTPUT_PERIOD_COUNT 8
+#define LOW_LATENCY_OUTPUT_PERIOD_SIZE 256
+#define LOW_LATENCY_OUTPUT_PERIOD_COUNT 2
+
+#define HDMI_MULTI_PERIOD_SIZE 336
+#define HDMI_MULTI_PERIOD_COUNT 8
+#define HDMI_MULTI_DEFAULT_CHANNEL_COUNT 6
+#define HDMI_MULTI_PERIOD_BYTES (HDMI_MULTI_PERIOD_SIZE * HDMI_MULTI_DEFAULT_CHANNEL_COUNT * 2)
+
+#define AUDIO_CAPTURE_PERIOD_SIZE 512
+#define AUDIO_CAPTURE_PERIOD_COUNT 16
+
+#endif // QCOM_AUDIO_PLATFORM_H