audio: extend platform parser
Extend platform parser with support for additional sections.
Supported sections now include acdb ids, pcm device ids and backend names.
Change-Id: Idfbc8a8bb490606686436c107db5b0c7d636ccbe
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 3f62164..940f8d4 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -143,7 +143,7 @@
struct csd_data *csd;
};
-static const int pcm_device_table[AUDIO_USECASE_MAX][2] = {
+static int pcm_device_table[AUDIO_USECASE_MAX][2] = {
[USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = {DEEP_BUFFER_PCM_DEVICE,
DEEP_BUFFER_PCM_DEVICE},
[USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = {LOWLATENCY_PCM_DEVICE,
@@ -373,7 +373,7 @@
[SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE] = 120,
};
-struct snd_device_index {
+struct name_to_index {
char name[100];
unsigned int index;
};
@@ -381,7 +381,7 @@
#define TO_NAME_INDEX(X) #X, X
/* Used to get index from parsed sting */
-struct snd_device_index snd_device_name_index[SND_DEVICE_MAX] = {
+static struct name_to_index snd_device_name_index[SND_DEVICE_MAX] = {
{TO_NAME_INDEX(SND_DEVICE_OUT_HANDSET)},
{TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER)},
{TO_NAME_INDEX(SND_DEVICE_OUT_SPEAKER_EXTERNAL_1)},
@@ -461,6 +461,26 @@
{TO_NAME_INDEX(SND_DEVICE_IN_SPEAKER_DMIC_AEC_NS_BROADSIDE)},
};
+static char * backend_table[SND_DEVICE_MAX] = {0};
+
+static struct name_to_index usecase_name_index[AUDIO_USECASE_MAX] = {
+ {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_DEEP_BUFFER)},
+ {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_LOW_LATENCY)},
+ {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_MULTI_CH)},
+ {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_OFFLOAD)},
+ {TO_NAME_INDEX(USECASE_AUDIO_RECORD)},
+ {TO_NAME_INDEX(USECASE_AUDIO_RECORD_LOW_LATENCY)},
+ {TO_NAME_INDEX(USECASE_VOICE_CALL)},
+ {TO_NAME_INDEX(USECASE_VOICE2_CALL)},
+ {TO_NAME_INDEX(USECASE_VOLTE_CALL)},
+ {TO_NAME_INDEX(USECASE_QCHAT_CALL)},
+ {TO_NAME_INDEX(USECASE_VOWLAN_CALL)},
+ {TO_NAME_INDEX(USECASE_INCALL_REC_UPLINK)},
+ {TO_NAME_INDEX(USECASE_INCALL_REC_DOWNLINK)},
+ {TO_NAME_INDEX(USECASE_INCALL_REC_UPLINK_AND_DOWNLINK)},
+ {TO_NAME_INDEX(USECASE_AUDIO_HFP_SCO)},
+};
+
#define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL)
#define LOW_LATENCY_PLATFORM_DELAY (13*1000LL)
@@ -663,6 +683,30 @@
return plat_data->is_i2s_ext_modem;
}
+static void set_platform_defaults(struct platform_data * my_data)
+{
+ int32_t dev;
+ for (dev = 0; dev < SND_DEVICE_MAX; dev++) {
+ backend_table[dev] = NULL;
+ }
+
+ // TBD - do these go to the platform-info.xml file.
+ // will help in avoiding strdups here
+ backend_table[SND_DEVICE_IN_BT_SCO_MIC] = strdup("bt-sco");
+ backend_table[SND_DEVICE_IN_BT_SCO_MIC_WB] = strdup("bt-sco-wb");
+ backend_table[SND_DEVICE_OUT_BT_SCO] = strdup("bt-sco");
+ backend_table[SND_DEVICE_OUT_BT_SCO_WB] = strdup("bt-sco-wb");
+ backend_table[SND_DEVICE_OUT_HDMI] = strdup("hdmi");
+ backend_table[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = strdup("speaker-and-hdmi");
+ backend_table[SND_DEVICE_OUT_AFE_PROXY] = strdup("afe-proxy");
+ backend_table[SND_DEVICE_OUT_USB_HEADSET] = strdup("usb-headphones");
+ backend_table[SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET] =
+ strdup("speaker-and-usb-headphones");
+ backend_table[SND_DEVICE_IN_USB_HEADSET_MIC] = strdup("usb-headset-mic");
+ backend_table[SND_DEVICE_IN_CAPTURE_FM] = strdup("capture-fm");
+ backend_table[SND_DEVICE_OUT_TRANSMISSION_FM] = strdup("transmission-fm");
+}
+
void *platform_init(struct audio_device *adev)
{
char value[PROPERTY_VALUE_MAX];
@@ -823,6 +867,8 @@
my_data->acdb_init(snd_card_name);
}
+ set_platform_defaults(my_data);
+
/* Initialize ACDB ID's */
if (my_data->is_i2s_ext_modem)
platform_info_init(PLATFORM_INFO_XML_PATH_I2S);
@@ -853,6 +899,14 @@
hw_info_deinit(my_data->hw_info);
close_csd_client(my_data->csd);
+ int32_t dev;
+ for (dev = 0; dev < SND_DEVICE_MAX; dev++) {
+ if (backend_table[dev]) {
+ free(backend_table[dev]);
+ backend_table[dev]= NULL;
+ }
+ }
+
free(platform);
/* deinit usb */
audio_extn_usb_deinit();
@@ -884,37 +938,16 @@
void platform_add_backend_name(char *mixer_path, snd_device_t snd_device)
{
- if (snd_device == SND_DEVICE_IN_BT_SCO_MIC)
- strlcat(mixer_path, " bt-sco", MIXER_PATH_MAX_LENGTH);
- else if (snd_device == SND_DEVICE_IN_BT_SCO_MIC_WB)
- strlcat(mixer_path, " bt-sco-wb", MIXER_PATH_MAX_LENGTH);
- else if(snd_device == SND_DEVICE_OUT_BT_SCO)
- strlcat(mixer_path, " bt-sco", MIXER_PATH_MAX_LENGTH);
- else if(snd_device == SND_DEVICE_OUT_BT_SCO_WB)
- strlcat(mixer_path, " bt-sco-wb", MIXER_PATH_MAX_LENGTH);
- else if (snd_device == SND_DEVICE_OUT_HDMI)
- strlcat(mixer_path, " hdmi", MIXER_PATH_MAX_LENGTH);
- else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HDMI)
- strcat(mixer_path, " speaker-and-hdmi");
- else if (snd_device == SND_DEVICE_OUT_AFE_PROXY)
- strlcat(mixer_path, " afe-proxy", MIXER_PATH_MAX_LENGTH);
- else if (snd_device == SND_DEVICE_OUT_USB_HEADSET)
- strlcat(mixer_path, " usb-headphones", MIXER_PATH_MAX_LENGTH);
- else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_USB_HEADSET)
- strlcat(mixer_path, " speaker-and-usb-headphones",
- MIXER_PATH_MAX_LENGTH);
- else if (snd_device == SND_DEVICE_IN_USB_HEADSET_MIC)
- strlcat(mixer_path, " usb-headset-mic", MIXER_PATH_MAX_LENGTH);
- else if (snd_device == SND_DEVICE_IN_CAPTURE_FM)
- strlcat(mixer_path, " capture-fm", MIXER_PATH_MAX_LENGTH);
- else if (snd_device == SND_DEVICE_OUT_TRANSMISSION_FM)
- strlcat(mixer_path, " transmission-fm", MIXER_PATH_MAX_LENGTH);
- else if (snd_device == SND_DEVICE_OUT_VOICE_SPEAKER &&
- audio_extn_spkr_prot_is_enabled() ) {
- char platform[PROPERTY_VALUE_MAX];
- property_get("ro.board.platform", platform, "");
- if (!strncmp("apq8084", platform, sizeof("apq8084")))
- strlcat(mixer_path, " speaker-protected", MIXER_PATH_MAX_LENGTH);
+ if ((snd_device < SND_DEVICE_MIN) || (snd_device >= SND_DEVICE_MAX)) {
+ ALOGE("%s: Invalid snd_device = %d", __func__, snd_device);
+ return;
+ }
+
+ const char * suffix = backend_table[snd_device];
+
+ if (suffix != NULL) {
+ strlcat(mixer_path, " ", MIXER_PATH_MAX_LENGTH);
+ strlcat(mixer_path, suffix, MIXER_PATH_MAX_LENGTH);
}
}
@@ -928,25 +961,36 @@
return device_id;
}
-int platform_get_snd_device_index(char *snd_device_index_name)
+static int find_index(struct name_to_index * table, int32_t len, const char * name)
{
int ret = 0;
- int i;
+ int32_t i;
- if (snd_device_index_name == NULL) {
- ALOGE("%s: snd_device_index_name is NULL", __func__);
+ if (table == NULL) {
+ ALOGE("%s: table is NULL", __func__);
ret = -ENODEV;
goto done;
}
- for (i=0; i < SND_DEVICE_MAX; i++) {
- if(strcmp(snd_device_name_index[i].name, snd_device_index_name) == 0) {
- ret = snd_device_name_index[i].index;
+ if (name == NULL) {
+ ALOGE("null key");
+ ret = -ENODEV;
+ goto done;
+ }
+
+ for (i=0; i < len; i++) {
+ const char* tn = table[i].name;
+ int32_t len = strlen(tn);
+ if (strncmp(tn, name, len) == 0) {
+ if (strlen(name) != len) {
+ continue; // substring
+ }
+ ret = table[i].index;
goto done;
}
}
- ALOGE("%s: Could not find index for snd_device_index_name = %s",
- __func__, snd_device_index_name);
+ ALOGE("%s: Could not find index for name = %s",
+ __func__, name);
ret = -ENODEV;
done:
return ret;
@@ -1009,6 +1053,16 @@
return ret;
}
+int platform_get_snd_device_index(char *device_name)
+{
+ return find_index(snd_device_name_index, SND_DEVICE_MAX, device_name);
+}
+
+int platform_get_usecase_index(const char *usecase_name)
+{
+ return find_index(usecase_name_index, AUDIO_USECASE_MAX, usecase_name);
+}
+
int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id)
{
int ret = 0;
@@ -2408,3 +2462,40 @@
return false;
}
+
+int platform_set_snd_device_backend(snd_device_t device, const char *backend)
+{
+ int ret = 0;
+
+ if ((device < SND_DEVICE_MIN) || (device >= SND_DEVICE_MAX)) {
+ ALOGE("%s: Invalid snd_device = %d",
+ __func__, device);
+ ret = -EINVAL;
+ goto done;
+ }
+
+ if (backend_table[device]) {
+ free(backend_table[device]);
+ }
+ backend_table[device] = strdup(backend);
+done:
+ return ret;
+}
+
+int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id)
+{
+ int ret = 0;
+ if ((usecase <= USECASE_INVALID) || (usecase >= AUDIO_USECASE_MAX)) {
+ ALOGE("%s: invalid usecase case idx %d", __func__, usecase);
+ ret = -EINVAL;
+ goto done;
+ }
+
+ if ((type != 0) && (type != 1)) {
+ ALOGE("%s: invalid usecase type", __func__);
+ ret = -EINVAL;
+ }
+ pcm_device_table[usecase][type] = pcm_id;
+done:
+ return ret;
+}