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hal: codec calibration data using hwdep nodes 

Push the codec driver calibration using hwdep nodes.

Change-Id: I1f5df3d9ceba7e23f046b2a28d816652f4b8d4fa
This commit is contained in:
Srikanth Uyyala 2014-10-17 13:44:09 +05:30
parent c684939337
commit cae4aa33bd
1 changed files with 100 additions and 0 deletions
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100
hal/msm8916/platform.c
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@ -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>
@ -32,6 +33,8 @@
#include "platform.h"
#include "audio_extn.h"
#include "voice_extn.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_MTP "/system/etc/mixer_paths_mtp.xml"
@ -93,6 +96,14 @@
#define AUDIO_PARAMETER_KEY_SLOWTALK "st_enable"
#define AUDIO_PARAMETER_KEY_HD_VOICE "hd_voice"
#define AUDIO_PARAMETER_KEY_VOLUME_BOOST "volume_boost"
#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,
@ -112,6 +123,8 @@ typedef void (*acdb_send_audio_cal_t)(int, int, int, int);
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;
@ -658,6 +671,92 @@ done:
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];
@ -838,6 +937,7 @@ acdb_init_fail:
audio_extn_spkr_prot_init(adev);
audio_extn_dolby_set_license(adev);
audio_hwdep_send_cal(my_data);
return my_data;
}