hal: codec calibration data using hwdep nodes
Push the codec driver calibration using hwdep nodes.
Change-Id: I08875c543be5b69c6cf0d0bbc248806ae2f871c2
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index ff9076e..1a535ac 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -23,6 +23,7 @@
#include <stdlib.h>
#include <dlfcn.h>
+#include <fcntl.h>
#include <sys/ioctl.h>
#include <cutils/log.h>
#include <cutils/properties.h>
@@ -33,7 +34,9 @@
#include "audio_extn.h"
#include "voice_extn.h"
#include "sound/compress_params.h"
+#include "sound/msmcal-hwdep.h"
+#define SOUND_TRIGGER_DEVICE_HANDSET_MONO_LOW_POWER_ACDB_ID (100)
#define MIXER_XML_PATH "/system/etc/mixer_paths.xml"
#define MIXER_XML_PATH_AUXPCM "/system/etc/mixer_paths_auxpcm.xml"
#define MIXER_XML_PATH_I2S "/system/etc/mixer_paths_i2s.xml"
@@ -98,6 +101,13 @@
#define EVENT_EXTERNAL_SPK_1 "qc_ext_spk_1"
#define EVENT_EXTERNAL_SPK_2 "qc_ext_spk_2"
#define EVENT_EXTERNAL_MIC "qc_ext_mic"
+#define MAX_CAL_NAME 20
+
+char cal_name_info[WCD9XXX_MAX_CAL][MAX_CAL_NAME] = {
+ [WCD9XXX_ANC_CAL] = "anc_cal",
+ [WCD9XXX_MBHC_CAL] = "mbhc_cal",
+ [WCD9XXX_MAD_CAL] = "mad_cal",
+};
enum {
VOICE_FEATURE_SET_DEFAULT,
@@ -117,6 +127,8 @@
typedef void (*acdb_send_voice_cal_t)(int, int);
typedef int (*acdb_reload_vocvoltable_t)(int);
typedef int (*acdb_get_default_app_type_t)(void);
+typedef int (*acdb_loader_get_calibration_t)(char *attr, int size, void *data);
+acdb_loader_get_calibration_t acdb_loader_get_calibration;
struct platform_data {
struct audio_device *adev;
@@ -740,6 +752,92 @@
return;
}
+static int hw_util_open(int card_no)
+{
+ int fd = -1;
+ char dev_name[256];
+
+ snprintf(dev_name, sizeof(dev_name), "/dev/snd/hwC%uD%u",
+ card_no, WCD9XXX_CODEC_HWDEP_NODE);
+ ALOGD("%s Opening device %s\n", __func__, dev_name);
+ fd = open(dev_name, O_WRONLY);
+ if (fd < 0) {
+ ALOGE("%s: cannot open device '%s'\n", __func__, dev_name);
+ return fd;
+ }
+ ALOGD("%s success", __func__);
+ return fd;
+}
+
+struct param_data {
+ int use_case;
+ int acdb_id;
+ int get_size;
+ int buff_size;
+ int data_size;
+ void *buff;
+};
+
+static int send_codec_cal(acdb_loader_get_calibration_t acdb_loader_get_calibration, int fd)
+{
+ int ret = 0, type;
+
+ for (type = WCD9XXX_ANC_CAL; type < WCD9XXX_MAX_CAL; type++) {
+ struct wcdcal_ioctl_buffer codec_buffer;
+ struct param_data calib;
+
+ if (!strcmp(cal_name_info[type], "mad_cal"))
+ calib.acdb_id = SOUND_TRIGGER_DEVICE_HANDSET_MONO_LOW_POWER_ACDB_ID;
+ calib.get_size = 1;
+ ret = acdb_loader_get_calibration(cal_name_info[type], sizeof(struct param_data),
+ &calib);
+ if (ret < 0) {
+ ALOGE("%s get_calibration failed\n", __func__);
+ return ret;
+ }
+ calib.get_size = 0;
+ calib.buff = malloc(calib.buff_size);
+ ret = acdb_loader_get_calibration(cal_name_info[type],
+ sizeof(struct param_data), &calib);
+ if (ret < 0) {
+ ALOGE("%s get_calibration failed\n", __func__);
+ free(calib.buff);
+ return ret;
+ }
+ codec_buffer.buffer = calib.buff;
+ codec_buffer.size = calib.data_size;
+ codec_buffer.cal_type = type;
+ if (ioctl(fd, SNDRV_CTL_IOCTL_HWDEP_CAL_TYPE, &codec_buffer) < 0)
+ ALOGE("Failed to call ioctl for %s err=%d",
+ cal_name_info[type], errno);
+ ALOGD("%s cal sent for %s", __func__, cal_name_info[type]);
+ free(calib.buff);
+ }
+ return ret;
+}
+
+static void audio_hwdep_send_cal(struct platform_data *plat_data)
+{
+ int fd;
+
+ fd = hw_util_open(plat_data->adev->snd_card);
+ if (fd == -1) {
+ ALOGE("%s error open\n", __func__);
+ return;
+ }
+
+ acdb_loader_get_calibration = (acdb_loader_get_calibration_t)
+ dlsym(plat_data->acdb_handle, "acdb_loader_get_calibration");
+
+ if (acdb_loader_get_calibration == NULL) {
+ ALOGE("%s: ERROR. dlsym Error:%s acdb_loader_get_calibration", __func__,
+ dlerror());
+ return;
+ }
+ if (send_codec_cal(acdb_loader_get_calibration, fd) < 0)
+ ALOGE("%s: Could not send anc cal", __FUNCTION__);
+}
+
void *platform_init(struct audio_device *adev)
{
char platform[PROPERTY_VALUE_MAX];
@@ -948,6 +1046,7 @@
audio_extn_spkr_prot_init(adev);
audio_extn_dolby_set_license(adev);
+ audio_hwdep_send_cal(my_data);
/* init audio device arbitration */
audio_extn_dev_arbi_init();