blob: fd95db0b948107a101ff2631ef398f7ad66f9a88 [file] [log] [blame]
/*
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "hw_accelerator_effect"
/*#define LOG_NDEBUG 0*/
#include <cutils/list.h>
#include <cutils/log.h>
#include <fcntl.h>
#include <tinyalsa/asoundlib.h>
#include <sound/audio_effects.h>
#include <audio_effects/effect_hwaccelerator.h>
#include "effect_api.h"
#include "hw_accelerator.h"
/* hw_accelerator UUID: 7d1580bd-297f-4683-9239-e475b6d1d69f */
const effect_descriptor_t hw_accelerator_descriptor = {
EFFECT_UIID_HWACCELERATOR__,
{0x7d1580bd, 0x297f, 0x4683, 0x9239, {0xe4, 0x75, 0xb6, 0xd1, 0xd6, 0x9f}}, // uuid
EFFECT_CONTROL_API_VERSION,
(EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_DEVICE_IND),
0, /* TODO */
1,
"HwAccelerated Library",
"QTI",
};
int hw_accelerator_get_parameter(effect_context_t *context,
effect_param_t *p, uint32_t *size)
{
hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
int32_t *param_tmp = (int32_t *)p->data;
int32_t param = *param_tmp++;
void *value = p->data + voffset;
int i;
ALOGV("%s: ctxt %p, param %d", __func__, hw_acc_ctxt, param);
p->status = 0;
switch (param) {
case HW_ACCELERATOR_FD:
if (p->vsize < sizeof(int32_t))
p->status = -EINVAL;
p->vsize = sizeof(int32_t);
break;
default:
p->status = -EINVAL;
}
*size = sizeof(effect_param_t) + voffset + p->vsize;
if (p->status != 0)
return 0;
switch (param) {
case HW_ACCELERATOR_FD:
ALOGV("%s: HW_ACCELERATOR_FD", __func__);
*(int32_t *)value = hw_acc_ctxt->fd;
break;
default:
p->status = -EINVAL;
break;
}
return 0;
}
int hw_accelerator_set_parameter(effect_context_t *context, effect_param_t *p,
uint32_t size)
{
hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
void *value = p->data + voffset;
int32_t *param_tmp = (int32_t *)p->data;
int32_t param = *param_tmp++;
ALOGV("%s: ctxt %p, param %d", __func__, hw_acc_ctxt, param);
p->status = 0;
switch (param) {
case HW_ACCELERATOR_HPX_STATE: {
int hpxState = (uint32_t)(*(int32_t *)value);
if (hpxState)
hw_acc_hpx_send_params(hw_acc_ctxt->fd, OFFLOAD_SEND_HPX_STATE_ON);
else
hw_acc_hpx_send_params(hw_acc_ctxt->fd, OFFLOAD_SEND_HPX_STATE_OFF);
break;
}
default:
p->status = -EINVAL;
break;
}
return 0;
}
int hw_accelerator_set_device(effect_context_t *context, uint32_t device)
{
hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
hw_acc_ctxt->device = device;
return 0;
}
int hw_accelerator_init(effect_context_t *context)
{
hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
context->config.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ;
context->config.inputCfg.channels = AUDIO_CHANNEL_OUT_7POINT1;
context->config.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
context->config.inputCfg.samplingRate = 44100;
context->config.inputCfg.bufferProvider.getBuffer = NULL;
context->config.inputCfg.bufferProvider.releaseBuffer = NULL;
context->config.inputCfg.bufferProvider.cookie = NULL;
context->config.inputCfg.mask = EFFECT_CONFIG_ALL;
context->config.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE;
context->config.outputCfg.channels = AUDIO_CHANNEL_OUT_STEREO;
context->config.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT;
context->config.outputCfg.samplingRate = 44100;
context->config.outputCfg.bufferProvider.getBuffer = NULL;
context->config.outputCfg.bufferProvider.releaseBuffer = NULL;
context->config.outputCfg.bufferProvider.cookie = NULL;
context->config.outputCfg.mask = EFFECT_CONFIG_ALL;
set_config(context, &context->config);
hw_acc_ctxt->fd = -1;
memset(&(hw_acc_ctxt->cfg), 0, sizeof(struct msm_hwacc_effects_config));
return 0;
}
int hw_accelerator_reset(effect_context_t *context)
{
ALOGV("%s", __func__);
return 0;
}
int hw_accelerator_set_mode(effect_context_t *context, int32_t frame_count)
{
hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
hw_acc_ctxt->cfg.output.sample_rate = context->config.inputCfg.samplingRate;
hw_acc_ctxt->cfg.input.sample_rate = context->config.outputCfg.samplingRate;
hw_acc_ctxt->cfg.output.num_channels = popcount(context->config.inputCfg.channels);
hw_acc_ctxt->cfg.input.num_channels = popcount(context->config.outputCfg.channels);
hw_acc_ctxt->cfg.output.bits_per_sample = 8 *
audio_bytes_per_sample(context->config.inputCfg.format);
hw_acc_ctxt->cfg.input.bits_per_sample = 8 *
audio_bytes_per_sample(context->config.outputCfg.format);
ALOGV("write: sample_rate: %d, channel: %d, bit_width: %d",
hw_acc_ctxt->cfg.output.sample_rate, hw_acc_ctxt->cfg.output.num_channels,
hw_acc_ctxt->cfg.output.bits_per_sample);
ALOGV("read: sample_rate: %d, channel: %d, bit_width: %d",
hw_acc_ctxt->cfg.input.sample_rate, hw_acc_ctxt->cfg.input.num_channels,
hw_acc_ctxt->cfg.input.bits_per_sample);
hw_acc_ctxt->cfg.output.num_buf = 4;
hw_acc_ctxt->cfg.input.num_buf = 2;
hw_acc_ctxt->cfg.output.buf_size = frame_count *
hw_acc_ctxt->cfg.output.num_channels *
audio_bytes_per_sample(context->config.inputCfg.format) *
((hw_acc_ctxt->cfg.output.sample_rate/hw_acc_ctxt->cfg.input.sample_rate) +
(hw_acc_ctxt->cfg.output.sample_rate%hw_acc_ctxt->cfg.input.sample_rate ? 1 : 0));
hw_acc_ctxt->cfg.input.buf_size = frame_count *
hw_acc_ctxt->cfg.input.num_channels *
audio_bytes_per_sample(context->config.outputCfg.format);
hw_acc_ctxt->cfg.meta_mode_enabled = 0;
/* TODO: overwrite this for effects using custom topology*/
hw_acc_ctxt->cfg.overwrite_topology = 0;
hw_acc_ctxt->cfg.topology = 0;
return 0;
}
int hw_accelerator_enable(effect_context_t *context)
{
hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
hw_acc_ctxt->fd = open("/dev/msm_hweffects", O_RDWR | O_NONBLOCK);
/* open driver */
if (hw_acc_ctxt->fd < 0) {
ALOGE("Audio Effects driver open failed");
return -EFAULT;
}
/* set config */
if (ioctl(hw_acc_ctxt->fd, AUDIO_SET_EFFECTS_CONFIG, &hw_acc_ctxt->cfg) < 0) {
ALOGE("setting audio effects drivers config failed");
if (close(hw_acc_ctxt->fd) < 0)
ALOGE("releasing hardware accelerated effects driver failed");
hw_acc_ctxt->fd = -1;
return -EFAULT;
}
/* start */
if (ioctl(hw_acc_ctxt->fd, AUDIO_START, 0) < 0) {
ALOGE("audio effects drivers prepare failed");
if (close(hw_acc_ctxt->fd) < 0)
ALOGE("releasing hardware accelerated effects driver failed");
hw_acc_ctxt->fd = -1;
return -EFAULT;
}
return 0;
}
int hw_accelerator_disable(effect_context_t *context)
{
hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
if (hw_acc_ctxt->fd > 0)
if (close(hw_acc_ctxt->fd) < 0)
ALOGE("releasing hardware accelerated effects driver failed");
hw_acc_ctxt->fd = -1;
return 0;
}
int hw_accelerator_release(effect_context_t *context)
{
hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
if (hw_acc_ctxt->fd > 0)
if (close(hw_acc_ctxt->fd) < 0)
ALOGE("releasing hardware accelerated effects driver failed");
hw_acc_ctxt->fd = -1;
return 0;
}
int hw_accelerator_process(effect_context_t *context, audio_buffer_t *in_buf,
audio_buffer_t *out_buf)
{
hw_accelerator_context_t *hw_acc_ctxt = (hw_accelerator_context_t *)context;
struct msm_hwacc_buf_cfg buf_cfg;
struct msm_hwacc_buf_avail buf_avail;
int ret = 0;
ALOGV("%s: ctxt %p", __func__, hw_acc_ctxt);
if (in_buf == NULL || in_buf->raw == NULL ||
out_buf == NULL || out_buf->raw == NULL)
return -EINVAL;
buf_cfg.output_len = in_buf->frameCount *
audio_bytes_per_sample(context->config.inputCfg.format) *
hw_acc_ctxt->cfg.output.num_channels;
buf_cfg.input_len = out_buf->frameCount *
audio_bytes_per_sample(context->config.outputCfg.format) *
hw_acc_ctxt->cfg.input.num_channels;
if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_GET_BUF_AVAIL, &buf_avail) < 0) {
ALOGE("AUDIO_EFFECTS_GET_BUF_AVAIL failed");
return -ENOMEM;
}
if (!hw_acc_ctxt->intial_buffer_done) {
if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_SET_BUF_LEN, &buf_cfg) < 0) {
ALOGE("AUDIO_EFFECTS_BUF_CFG failed");
return -EFAULT;
}
if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_WRITE, (char *)in_buf->raw) < 0) {
ALOGE("AUDIO_EFFECTS_WRITE failed");
return -EFAULT;
}
ALOGV("Request for more data");
hw_acc_ctxt->intial_buffer_done = true;
return -ENODATA;
}
if (buf_avail.output_num_avail > 1) {
if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_SET_BUF_LEN, &buf_cfg) < 0) {
ALOGE("AUDIO_EFFECTS_BUF_CFG failed");
return -EFAULT;
}
if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_WRITE, (char *)in_buf->raw) < 0) {
ALOGE("AUDIO_EFFECTS_WRITE failed");
return -EFAULT;
}
ret = in_buf->frameCount;
}
if (ioctl(hw_acc_ctxt->fd, AUDIO_EFFECTS_READ, (char *)out_buf->raw) < 0) {
ALOGE("AUDIO_EFFECTS_READ failed");
return -EFAULT;
}
return ret;
}