Initialization audio HAL for SC7727 (target:TM1)

Codes are based on audio-hal-wm5110(0.2.12)
 :76790ab397edc43e9529550dfee2879a1e5ff5a3

[Version] 0.1.0
[Profile] Mobile
[Issue Type] Initialization

Change-Id: I35cd6c2132dd839d1973721a279834daf4bd352c
Signed-off-by: Sangchul Lee <sc11.lee@samsung.com>

1 files changed, 427 insertions, 0 deletions

diff --git a/tizen-audio-util.c b/tizen-audio-util.c
new file mode 100644
index 0000000..83785c0
--- /dev/null
+++ b/tizen-audio-util.c
@@ -0,0 +1,427 @@
+/*
+ * audio-hal
+ *
+ * Copyright (c) 2000 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * 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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pthread.h>
+
+#include "tizen-audio-internal.h"
+
+audio_return_t _audio_util_init (audio_mgr_t *am)
+{
+    pthread_mutex_init(&(am->mixer.mutex), NULL);
+    return AUDIO_RET_OK;
+}
+
+audio_return_t _audio_util_deinit (audio_mgr_t *am)
+{
+    pthread_mutex_destroy(&(am->mixer.mutex));
+    return AUDIO_RET_OK;
+}
+
+#ifdef __MIXER_PARAM_DUMP
+
+static void __dump_mixer_param(char *dump, long *param, int size)
+{
+    int i, len;
+
+    for (i = 0; i < size; i++) {
+        len = sprintf(dump, "%ld", *param);
+        if (len > 0)
+            dump += len;
+        if (i != size -1) {
+            *dump++ = ',';
+        }
+
+        param++;
+    }
+    *dump = '\0';
+}
+
+#endif
+
+audio_return_t _audio_mixer_control_set_param(audio_mgr_t *am, const char* ctl_name, snd_ctl_elem_value_t* param, int size)
+{
+    /* TODO. */
+    return AUDIO_RET_OK;
+}
+
+audio_return_t audio_mixer_control_get_value (void *userdata, const char *ctl_name, int *val)
+{
+    audio_return_t audio_ret = AUDIO_RET_OK;
+    audio_mgr_t *am = (audio_mgr_t *)userdata;
+    audio_ret = _audio_mixer_control_get_value(am, ctl_name, val);
+    return audio_ret;
+}
+
+audio_return_t _audio_mixer_control_get_value(audio_mgr_t *am, const char *ctl_name, int *val)
+{
+    snd_ctl_t *handle;
+    snd_ctl_elem_value_t *control;
+    snd_ctl_elem_id_t *id;
+    snd_ctl_elem_info_t *info;
+    snd_ctl_elem_type_t type;
+
+    int ret = 0, count = 0, i = 0;
+
+    pthread_mutex_lock(&(am->mixer.mutex));
+
+    ret = snd_ctl_open(&handle, ALSA_DEFAULT_CARD, 0);
+    if (ret < 0) {
+        AUDIO_LOG_ERROR ("snd_ctl_open error, %s\n", snd_strerror(ret));
+        pthread_mutex_unlock(&(am->mixer.mutex));
+        return AUDIO_ERR_IOCTL;
+    }
+
+    // Get Element Info
+
+    snd_ctl_elem_id_alloca(&id);
+    snd_ctl_elem_info_alloca(&info);
+    snd_ctl_elem_value_alloca(&control);
+
+    snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
+    snd_ctl_elem_id_set_name(id, ctl_name);
+
+    snd_ctl_elem_info_set_id(info, id);
+    if(snd_ctl_elem_info(handle, info) < 0 ) {
+        AUDIO_LOG_ERROR ("Cannot find control element: %s\n", ctl_name);
+        goto close;
+    }
+    snd_ctl_elem_info_get_id(info, id);
+
+    type = snd_ctl_elem_info_get_type(info);
+    count = snd_ctl_elem_info_get_count(info);
+
+    snd_ctl_elem_value_set_id(control, id);
+
+    if(snd_ctl_elem_read(handle, control) < 0) {
+        AUDIO_LOG_ERROR ("snd_ctl_elem_read failed \n");
+        goto close;
+}
+
+    switch (type) {
+    case SND_CTL_ELEM_TYPE_BOOLEAN:
+        *val = snd_ctl_elem_value_get_boolean(control, i);
+        break;
+    case SND_CTL_ELEM_TYPE_INTEGER:
+        for (i = 0; i < count; i++)
+        *val = snd_ctl_elem_value_get_integer(control, i);
+        break;
+    case SND_CTL_ELEM_TYPE_ENUMERATED:
+        for (i = 0; i < count; i++)
+        *val = snd_ctl_elem_value_get_enumerated(control, i);
+        break;
+    default:
+        AUDIO_LOG_WARN ("unsupported control element type\n");
+        goto close;
+    }
+
+    snd_ctl_close(handle);
+
+#ifdef AUDIO_DEBUG
+    AUDIO_LOG_INFO("get mixer(%s) = %d success", ctl_name, *val);
+#endif
+
+    pthread_mutex_unlock(&(am->mixer.mutex));
+    return AUDIO_RET_OK;
+
+close:
+    AUDIO_LOG_ERROR ("Error\n");
+    snd_ctl_close(handle);
+    pthread_mutex_unlock(&(am->mixer.mutex));
+    return AUDIO_ERR_UNDEFINED;
+}
+
+audio_return_t _audio_mixer_control_set_value(audio_mgr_t *am, const char *ctl_name, int val)
+{
+    snd_ctl_t *handle;
+    snd_ctl_elem_value_t *control;
+    snd_ctl_elem_id_t *id;
+    snd_ctl_elem_info_t *info;
+    snd_ctl_elem_type_t type;
+
+    char *card_name = NULL;
+    int ret = 0, count = 0, i = 0;
+
+    pthread_mutex_lock(&(am->mixer.mutex));
+
+    ret = snd_ctl_open(&handle, ALSA_DEFAULT_CARD, 0);
+    if (ret < 0) {
+        AUDIO_LOG_ERROR("snd_ctl_open error, card: %s: %s", card_name, snd_strerror(ret));
+        pthread_mutex_unlock(&(am->mixer.mutex));
+        return AUDIO_ERR_IOCTL;
+    }
+
+    // Get Element Info
+
+    snd_ctl_elem_id_alloca(&id);
+    snd_ctl_elem_info_alloca(&info);
+    snd_ctl_elem_value_alloca(&control);
+
+    snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
+    snd_ctl_elem_id_set_name(id, ctl_name);
+
+    snd_ctl_elem_info_set_id(info, id);
+    if(snd_ctl_elem_info(handle, info) < 0 ) {
+        AUDIO_LOG_ERROR("Cannot find control element: %s", ctl_name);
+        goto close;
+    }
+    snd_ctl_elem_info_get_id(info, id);
+
+    type = snd_ctl_elem_info_get_type(info);
+    count = snd_ctl_elem_info_get_count(info);
+
+    snd_ctl_elem_value_set_id(control, id);
+
+    snd_ctl_elem_read(handle, control);
+
+    switch (type) {
+    case SND_CTL_ELEM_TYPE_BOOLEAN:
+        for (i = 0; i < count; i++)
+            snd_ctl_elem_value_set_boolean(control, i, val);
+        break;
+    case SND_CTL_ELEM_TYPE_INTEGER:
+        for (i = 0; i < count; i++)
+            snd_ctl_elem_value_set_integer(control, i,val);
+        break;
+    case SND_CTL_ELEM_TYPE_ENUMERATED:
+        for (i = 0; i < count; i++)
+            snd_ctl_elem_value_set_enumerated(control, i,val);
+        break;
+
+    default:
+        AUDIO_LOG_WARN("unsupported control element type");
+        goto close;
+    }
+
+    snd_ctl_elem_write(handle, control);
+
+    snd_ctl_close(handle);
+
+    AUDIO_LOG_INFO("set mixer(%s) = %d success", ctl_name, val);
+
+    pthread_mutex_unlock(&(am->mixer.mutex));
+    return AUDIO_RET_OK;
+
+close:
+    AUDIO_LOG_ERROR("Error");
+    snd_ctl_close(handle);
+    pthread_mutex_unlock(&(am->mixer.mutex));
+    return AUDIO_ERR_UNDEFINED;
+}
+
+audio_return_t _audio_mixer_control_set_value_string(audio_mgr_t *am, const char* ctl_name, const char* value)
+{
+    /* TODO. */
+    return AUDIO_RET_OK;
+}
+
+
+audio_return_t _audio_mixer_control_get_element(audio_mgr_t *am, const char *ctl_name, snd_hctl_elem_t **elem)
+{
+    /* TODO. */
+    return AUDIO_RET_OK;
+}
+
+#ifdef __USE_TINYALSA__
+/* Convert pcm format from pulse to alsa */
+static const uint32_t g_format_convert_table[] = {
+    [AUDIO_SAMPLE_U8]        = PCM_FORMAT_S8,
+    [AUDIO_SAMPLE_S16LE]     = PCM_FORMAT_S16_LE,
+    [AUDIO_SAMPLE_S32LE]     = PCM_FORMAT_S32_LE,
+    [AUDIO_SAMPLE_S24_32LE]  = PCM_FORMAT_S24_LE
+};
+#else  /* alsa-lib */
+/* Convert pcm format from pulse to alsa */
+static const uint32_t g_format_convert_table[] = {
+    [AUDIO_SAMPLE_U8]        = SND_PCM_FORMAT_U8,
+    [AUDIO_SAMPLE_ALAW]      = SND_PCM_FORMAT_A_LAW,
+    [AUDIO_SAMPLE_ULAW]      = SND_PCM_FORMAT_MU_LAW,
+    [AUDIO_SAMPLE_S16LE]     = SND_PCM_FORMAT_S16_LE,
+    [AUDIO_SAMPLE_S16BE]     = SND_PCM_FORMAT_S16_BE,
+    [AUDIO_SAMPLE_FLOAT32LE] = SND_PCM_FORMAT_FLOAT_LE,
+    [AUDIO_SAMPLE_FLOAT32BE] = SND_PCM_FORMAT_FLOAT_BE,
+    [AUDIO_SAMPLE_S32LE]     = SND_PCM_FORMAT_S32_LE,
+    [AUDIO_SAMPLE_S32BE]     = SND_PCM_FORMAT_S32_BE,
+    [AUDIO_SAMPLE_S24LE]     = SND_PCM_FORMAT_S24_3LE,
+    [AUDIO_SAMPLE_S24BE]     = SND_PCM_FORMAT_S24_3BE,
+    [AUDIO_SAMPLE_S24_32LE]  = SND_PCM_FORMAT_S24_LE,
+    [AUDIO_SAMPLE_S24_32BE]  = SND_PCM_FORMAT_S24_BE
+};
+#endif
+
+uint32_t _convert_format(audio_sample_format_t format)
+{
+    return g_format_convert_table[format];
+}
+
+/* Generic snd pcm interface APIs */
+audio_return_t _audio_pcm_set_hw_params(snd_pcm_t *pcm, audio_pcm_sample_spec_t *sample_spec, uint8_t *use_mmap, snd_pcm_uframes_t *period_size, snd_pcm_uframes_t *buffer_size)
+{
+    audio_return_t ret = AUDIO_RET_OK;
+    snd_pcm_hw_params_t *hwparams;
+    int err = 0;
+    int dir;
+    unsigned int val = 0;
+    snd_pcm_uframes_t _period_size = period_size ? *period_size : 0;
+    snd_pcm_uframes_t _buffer_size = buffer_size ? *buffer_size : 0;
+    uint8_t _use_mmap = use_mmap && *use_mmap;
+    uint32_t channels = 0;
+
+    snd_pcm_hw_params_alloca(&hwparams);
+
+    /* Skip parameter setting to null device. */
+    if (snd_pcm_type(pcm) == SND_PCM_TYPE_NULL)
+        return AUDIO_ERR_IOCTL;
+
+    /* Allocate a hardware parameters object. */
+    snd_pcm_hw_params_alloca(&hwparams);
+
+    /* Fill it in with default values. */
+    if(snd_pcm_hw_params_any(pcm, hwparams) < 0) {
+        AUDIO_LOG_ERROR("snd_pcm_hw_params_any() : failed! - %s\n", snd_strerror(err));
+        goto error;
+    }
+
+    /* Set the desired hardware parameters. */
+
+    if (_use_mmap) {
+
+        if (snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_MMAP_INTERLEAVED) < 0) {
+
+            /* mmap() didn't work, fall back to interleaved */
+
+            if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
+                AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
+                goto error;
+            }
+
+            _use_mmap = 0;
+        }
+
+    } else if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
+        AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
+        goto error;
+    }
+    AUDIO_LOG_DEBUG("setting rate - %d", sample_spec->rate);
+    err = snd_pcm_hw_params_set_rate(pcm, hwparams, sample_spec->rate, 0);
+    if (err < 0) {
+        AUDIO_LOG_ERROR("snd_pcm_hw_params_set_rate() : failed! - %s\n", snd_strerror(err));
+    }
+
+    err = snd_pcm_hw_params(pcm, hwparams);
+    if (err < 0) {
+        AUDIO_LOG_ERROR("snd_pcm_hw_params() : failed! - %s\n", snd_strerror(err));
+        goto error;
+    }
+
+    /* Dump current param */
+
+    if ((ret = snd_pcm_hw_params_current(pcm, hwparams)) < 0) {
+        AUDIO_LOG_INFO("snd_pcm_hw_params_current() failed: %s", snd_strerror(ret));
+        goto error;
+    }
+
+    if ((ret = snd_pcm_hw_params_get_period_size(hwparams, &_period_size, &dir)) < 0 ||
+        (ret = snd_pcm_hw_params_get_buffer_size(hwparams, &_buffer_size)) < 0) {
+        AUDIO_LOG_INFO("snd_pcm_hw_params_get_{period|buffer}_size() failed: %s", snd_strerror(ret));
+        goto error;
+    }
+
+    snd_pcm_hw_params_get_access(hwparams, (snd_pcm_access_t *) &val);
+    AUDIO_LOG_DEBUG("access type = %s\n", snd_pcm_access_name((snd_pcm_access_t)val));
+
+    snd_pcm_hw_params_get_format(hwparams, &sample_spec->format);
+    AUDIO_LOG_DEBUG("format = '%s' (%s)\n",
+                    snd_pcm_format_name((snd_pcm_format_t)sample_spec->format),
+                    snd_pcm_format_description((snd_pcm_format_t)sample_spec->format));
+
+    snd_pcm_hw_params_get_subformat(hwparams, (snd_pcm_subformat_t *)&val);
+    AUDIO_LOG_DEBUG("subformat = '%s' (%s)\n",
+                    snd_pcm_subformat_name((snd_pcm_subformat_t)val),
+                    snd_pcm_subformat_description((snd_pcm_subformat_t)val));
+
+    snd_pcm_hw_params_get_channels(hwparams, &channels);
+    sample_spec->channels = (uint8_t)channels;
+    AUDIO_LOG_DEBUG("channels = %d\n", sample_spec->channels);
+
+    if (buffer_size)
+        *buffer_size = _buffer_size;
+
+    if (period_size)
+        *period_size = _period_size;
+
+    if (use_mmap)
+        *use_mmap = _use_mmap;
+
+    return AUDIO_RET_OK;
+
+error:
+    return AUDIO_ERR_RESOURCE;
+}
+
+audio_return_t _audio_pcm_set_sw_params(snd_pcm_t *pcm, snd_pcm_uframes_t avail_min, uint8_t period_event)
+{
+    snd_pcm_sw_params_t *swparams;
+    snd_pcm_uframes_t boundary;
+    int err;
+
+    snd_pcm_sw_params_alloca(&swparams);
+
+    if ((err = snd_pcm_sw_params_current(pcm, swparams) < 0)) {
+        AUDIO_LOG_WARN("Unable to determine current swparams: %s\n", snd_strerror(err));
+        goto error;
+    }
+    if ((err = snd_pcm_sw_params_set_period_event(pcm, swparams, period_event)) < 0) {
+        AUDIO_LOG_WARN("Unable to disable period event: %s\n", snd_strerror(err));
+        goto error;
+    }
+    if ((err = snd_pcm_sw_params_set_tstamp_mode(pcm, swparams, SND_PCM_TSTAMP_ENABLE)) < 0) {
+        AUDIO_LOG_WARN("Unable to enable time stamping: %s\n", snd_strerror(err));
+        goto error;
+    }
+    if ((err = snd_pcm_sw_params_get_boundary(swparams, &boundary)) < 0) {
+        AUDIO_LOG_WARN("Unable to get boundary: %s\n", snd_strerror(err));
+        goto error;
+    }
+    if ((err = snd_pcm_sw_params_set_stop_threshold(pcm, swparams, boundary)) < 0) {
+        AUDIO_LOG_WARN("Unable to set stop threshold: %s\n", snd_strerror(err));
+        goto error;
+    }
+    if ((err = snd_pcm_sw_params_set_start_threshold(pcm, swparams, (snd_pcm_uframes_t) avail_min)) < 0) {
+        AUDIO_LOG_WARN("Unable to set start threshold: %s\n", snd_strerror(err));
+        goto error;
+    }
+    if ((err = snd_pcm_sw_params_set_avail_min(pcm, swparams, avail_min)) < 0) {
+        AUDIO_LOG_WARN("snd_pcm_sw_params_set_avail_min() failed: %s", snd_strerror(err));
+        goto error;
+    }
+    if ((err = snd_pcm_sw_params(pcm, swparams)) < 0) {
+        AUDIO_LOG_WARN("Unable to set sw params: %s\n", snd_strerror(err));
+        goto error;
+    }
+    return AUDIO_RET_OK;
+error:
+    return err;
+}