| /* |
| * 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 <log/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" |
| |
| #ifdef AUDIO_FEATURE_ENABLED_GCOV |
| extern void __gcov_flush(); |
| static void enable_gcov() |
| { |
| __gcov_flush(); |
| } |
| #else |
| static void enable_gcov() |
| { |
| } |
| #endif |
| |
| /* 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)); |
| enable_gcov(); |
| 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; |
| } |
| enable_gcov(); |
| 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; |
| enable_gcov(); |
| 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; |
| enable_gcov(); |
| 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; |
| } |