699 lines
20 KiB
C
699 lines
20 KiB
C
/*
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* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/module.h>
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#include <linux/fs.h>
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#include <linux/miscdevice.h>
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#include <linux/uaccess.h>
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#include <linux/sched.h>
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#include <linux/wait.h>
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#include <linux/dma-mapping.h>
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#include <linux/slab.h>
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#include <linux/msm_audio_aac.h>
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#include <linux/compat.h>
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#include <asm/atomic.h>
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#include <asm/ioctls.h>
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#include "audio_utils.h"
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/* Buffer with meta*/
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#define PCM_BUF_SIZE (4096 + sizeof(struct meta_in))
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/* Maximum 5 frames in buffer with meta */
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#define FRAME_SIZE (1 + ((1536+sizeof(struct meta_out_dsp)) * 5))
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#define AAC_FORMAT_ADTS 65535
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static long aac_in_ioctl_shared(struct file *file, unsigned int cmd, void *arg)
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{
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struct q6audio_in *audio = file->private_data;
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int rc = 0;
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int cnt = 0;
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switch (cmd) {
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case AUDIO_START: {
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struct msm_audio_aac_enc_config *enc_cfg;
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struct msm_audio_aac_config *aac_config;
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uint32_t aac_mode = AAC_ENC_MODE_AAC_LC;
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enc_cfg = audio->enc_cfg;
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aac_config = audio->codec_cfg;
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/* ENCODE CFG (after new set of API's are published )bharath*/
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pr_debug("%s:session id %d: default buf alloc[%d]\n", __func__,
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audio->ac->session, audio->buf_alloc);
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if (audio->enabled == 1) {
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pr_info("%s:AUDIO_START already over\n", __func__);
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rc = 0;
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break;
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}
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if (audio->opened) {
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rc = audio_in_buf_alloc(audio);
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if (rc < 0) {
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pr_err("%s:session id %d: buffer allocation failed\n",
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__func__, audio->ac->session);
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break;
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}
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} else {
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if (audio->feedback == NON_TUNNEL_MODE) {
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pr_debug("%s: starting in non_tunnel mode",
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__func__);
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rc = q6asm_open_read_write(audio->ac,
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FORMAT_MPEG4_AAC, FORMAT_LINEAR_PCM);
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if (rc < 0) {
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pr_err("%s:open read write failed\n",
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__func__);
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break;
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}
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}
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if (audio->feedback == TUNNEL_MODE) {
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pr_debug("%s: starting in tunnel mode",
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__func__);
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rc = q6asm_open_read(audio->ac,
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FORMAT_MPEG4_AAC);
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if (rc < 0) {
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pr_err("%s:open read failed\n",
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__func__);
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break;
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}
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}
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audio->stopped = 0;
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}
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pr_debug("%s:sbr_ps_flag = %d, sbr_flag = %d\n", __func__,
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aac_config->sbr_ps_on_flag, aac_config->sbr_on_flag);
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if (aac_config->sbr_ps_on_flag)
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aac_mode = AAC_ENC_MODE_EAAC_P;
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else if (aac_config->sbr_on_flag)
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aac_mode = AAC_ENC_MODE_AAC_P;
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else
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aac_mode = AAC_ENC_MODE_AAC_LC;
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rc = q6asm_enc_cfg_blk_aac(audio->ac,
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audio->buf_cfg.frames_per_buf,
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enc_cfg->sample_rate,
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enc_cfg->channels,
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enc_cfg->bit_rate,
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aac_mode,
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enc_cfg->stream_format);
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if (rc < 0) {
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pr_err("%s:session id %d: cmd media format block"
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"failed\n", __func__, audio->ac->session);
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break;
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}
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if (audio->feedback == NON_TUNNEL_MODE) {
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rc = q6asm_media_format_block_pcm(audio->ac,
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audio->pcm_cfg.sample_rate,
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audio->pcm_cfg.channel_count);
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if (rc < 0) {
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pr_err("%s:session id %d: media format block"
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"failed\n", __func__, audio->ac->session);
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break;
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}
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}
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rc = audio_in_enable(audio);
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if (!rc) {
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audio->enabled = 1;
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} else {
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audio->enabled = 0;
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pr_err("%s:session id %d: Audio Start procedure"
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"failed rc=%d\n", __func__, audio->ac->session, rc);
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break;
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}
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while (cnt++ < audio->str_cfg.buffer_count)
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q6asm_read(audio->ac);
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pr_debug("%s:session id %d: AUDIO_START success enable[%d]\n",
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__func__, audio->ac->session, audio->enabled);
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break;
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}
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case AUDIO_STOP: {
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pr_debug("%s:session id %d: Rxed AUDIO_STOP\n", __func__,
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audio->ac->session);
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rc = audio_in_disable(audio);
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if (rc < 0) {
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pr_err("%s:session id %d: Audio Stop procedure failed"
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"rc=%d\n", __func__, audio->ac->session, rc);
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break;
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}
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break;
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}
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case AUDIO_GET_AAC_ENC_CONFIG: {
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struct msm_audio_aac_enc_config *cfg;
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struct msm_audio_aac_enc_config *enc_cfg;
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cfg = (struct msm_audio_aac_enc_config *)arg;
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if (cfg == NULL) {
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pr_err("%s: NULL config pointer for %s\n",
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__func__, "AUDIO_GET_AAC_CONFIG");
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rc = -EINVAL;
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break;
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}
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memset(cfg, 0, sizeof(*cfg));
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enc_cfg = audio->enc_cfg;
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if (enc_cfg->channels == CH_MODE_MONO)
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cfg->channels = 1;
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else
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cfg->channels = 2;
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cfg->sample_rate = enc_cfg->sample_rate;
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cfg->bit_rate = enc_cfg->bit_rate;
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switch (enc_cfg->stream_format) {
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case 0x00:
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cfg->stream_format = AUDIO_AAC_FORMAT_ADTS;
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break;
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case 0x01:
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cfg->stream_format = AUDIO_AAC_FORMAT_LOAS;
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break;
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case 0x02:
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cfg->stream_format = AUDIO_AAC_FORMAT_ADIF;
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break;
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default:
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case 0x03:
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cfg->stream_format = AUDIO_AAC_FORMAT_RAW;
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}
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pr_debug("%s:session id %d: Get-aac-cfg: format=%d sr=%d"
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"bitrate=%d\n", __func__, audio->ac->session,
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cfg->stream_format, cfg->sample_rate, cfg->bit_rate);
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break;
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}
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case AUDIO_SET_AAC_ENC_CONFIG: {
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struct msm_audio_aac_enc_config *cfg;
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struct msm_audio_aac_enc_config *enc_cfg;
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uint32_t min_bitrate, max_bitrate;
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cfg = (struct msm_audio_aac_enc_config *)arg;
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if (cfg == NULL) {
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pr_err("%s: NULL config pointer for %s\n",
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"AUDIO_SET_AAC_ENC_CONFIG", __func__);
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rc = -EINVAL;
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break;
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}
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enc_cfg = audio->enc_cfg;
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pr_debug("%s:session id %d: Set-aac-cfg: stream=%d\n", __func__,
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audio->ac->session, cfg->stream_format);
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switch (cfg->stream_format) {
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case AUDIO_AAC_FORMAT_ADTS:
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enc_cfg->stream_format = 0x00;
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break;
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case AUDIO_AAC_FORMAT_LOAS:
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enc_cfg->stream_format = 0x01;
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break;
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case AUDIO_AAC_FORMAT_ADIF:
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enc_cfg->stream_format = 0x02;
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break;
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case AUDIO_AAC_FORMAT_RAW:
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enc_cfg->stream_format = 0x03;
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break;
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default:
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pr_err("%s:session id %d: unsupported AAC format %d\n",
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__func__, audio->ac->session,
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cfg->stream_format);
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rc = -EINVAL;
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break;
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}
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if (cfg->channels == 1) {
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cfg->channels = CH_MODE_MONO;
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} else if (cfg->channels == 2) {
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cfg->channels = CH_MODE_STEREO;
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} else {
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rc = -EINVAL;
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break;
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}
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min_bitrate = ((cfg->sample_rate)*(cfg->channels))/2;
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/* This calculation should be based on AAC mode. But we cannot
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* get AAC mode in this setconfig. min_bitrate's logical max
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* value is 24000. So if min_bitrate is higher than 24000,
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* choose 24000.
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*/
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if (min_bitrate > 24000)
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min_bitrate = 24000;
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max_bitrate = 6*(cfg->sample_rate)*(cfg->channels);
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if (max_bitrate > 192000)
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max_bitrate = 192000;
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if ((cfg->bit_rate < min_bitrate) ||
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(cfg->bit_rate > max_bitrate)) {
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pr_err("%s: bitrate permissible: max=%d, min=%d\n",
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__func__, max_bitrate, min_bitrate);
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pr_err("%s: ERROR in setting bitrate = %d\n",
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__func__, cfg->bit_rate);
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rc = -EINVAL;
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break;
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}
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enc_cfg->sample_rate = cfg->sample_rate;
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enc_cfg->channels = cfg->channels;
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enc_cfg->bit_rate = cfg->bit_rate;
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pr_debug("%s:session id %d: Set-aac-cfg:SR= 0x%x ch=0x%x"
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"bitrate=0x%x, format(adts/raw) = %d\n",
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__func__, audio->ac->session, enc_cfg->sample_rate,
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enc_cfg->channels, enc_cfg->bit_rate,
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enc_cfg->stream_format);
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break;
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}
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case AUDIO_SET_AAC_CONFIG: {
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struct msm_audio_aac_config *aac_cfg;
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struct msm_audio_aac_config *audio_aac_cfg;
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struct msm_audio_aac_enc_config *enc_cfg;
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enc_cfg = audio->enc_cfg;
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audio_aac_cfg = audio->codec_cfg;
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aac_cfg = (struct msm_audio_aac_config *)arg;
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if (aac_cfg == NULL) {
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pr_err("%s: NULL config pointer %s\n",
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__func__, "AUDIO_SET_AAC_CONFIG");
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rc = -EINVAL;
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break;
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}
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pr_debug("%s:session id %d: AUDIO_SET_AAC_CONFIG: sbr_flag = %d sbr_ps_flag = %d\n",
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__func__, audio->ac->session, aac_cfg->sbr_on_flag,
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aac_cfg->sbr_ps_on_flag);
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audio_aac_cfg->sbr_on_flag = aac_cfg->sbr_on_flag;
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audio_aac_cfg->sbr_ps_on_flag = aac_cfg->sbr_ps_on_flag;
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if ((audio_aac_cfg->sbr_on_flag == 1) ||
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(audio_aac_cfg->sbr_ps_on_flag == 1)) {
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if (enc_cfg->sample_rate < 24000) {
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pr_err("%s: ERROR in setting samplerate = %d"
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"\n", __func__, enc_cfg->sample_rate);
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rc = -EINVAL;
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break;
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}
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}
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break;
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}
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default:
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pr_err("%s: Unknown ioctl cmd = %d", __func__, cmd);
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rc = -EINVAL;
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}
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return rc;
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}
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static long aac_in_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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{
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struct q6audio_in *audio = file->private_data;
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int rc = 0;
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switch (cmd) {
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case AUDIO_START:
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case AUDIO_STOP: {
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rc = aac_in_ioctl_shared(file, cmd, NULL);
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break;
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}
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case AUDIO_GET_AAC_ENC_CONFIG: {
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struct msm_audio_aac_enc_config cfg;
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rc = aac_in_ioctl_shared(file, cmd, &cfg);
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if (rc) {
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pr_err("%s:AUDIO_GET_AAC_ENC_CONFIG failed. rc=%d\n",
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__func__, rc);
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break;
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}
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if (copy_to_user((void *)arg, &cfg, sizeof(cfg))) {
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pr_err("%s: copy_to_user for AUDIO_GET_AAC_ENC_CONFIG failed\n",
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__func__);
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rc = -EFAULT;
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}
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break;
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}
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case AUDIO_SET_AAC_ENC_CONFIG: {
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struct msm_audio_aac_enc_config cfg;
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if (copy_from_user(&cfg, (void *)arg, sizeof(cfg))) {
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pr_err("%s: copy_from_user for AUDIO_SET_AAC_ENC_CONFIG failed\n",
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__func__);
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rc = -EFAULT;
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break;
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}
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rc = aac_in_ioctl_shared(file, cmd, &cfg);
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if (rc)
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pr_err("%s:AUDIO_SET_AAC_ENC_CONFIG failed. rc=%d\n",
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__func__, rc);
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break;
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}
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case AUDIO_GET_AAC_CONFIG: {
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if (copy_to_user((void *)arg, &audio->codec_cfg,
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sizeof(struct msm_audio_aac_config))) {
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pr_err("%s: copy_to_user for AUDIO_GET_AAC_CONFIG failed\n",
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__func__);
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rc = -EFAULT;
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break;
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}
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break;
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}
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case AUDIO_SET_AAC_CONFIG: {
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struct msm_audio_aac_config aac_cfg;
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if (copy_from_user(&aac_cfg, (void *)arg,
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sizeof(struct msm_audio_aac_config))) {
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pr_err("%s: copy_to_user for AUDIO_SET_CONFIG failed\n",
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__func__);
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rc = -EFAULT;
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break;
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}
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rc = aac_in_ioctl_shared(file, cmd, &aac_cfg);
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if (rc)
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pr_err("%s:AUDIO_SET_AAC_CONFIG failed. rc=%d\n",
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__func__, rc);
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break;
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}
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default:
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pr_err("%s: Unknown ioctl cmd=%d\n", __func__, cmd);
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rc = -EINVAL;
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}
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return rc;
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}
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#ifdef CONFIG_COMPAT
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struct msm_audio_aac_enc_config32 {
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u32 channels;
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u32 sample_rate;
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u32 bit_rate;
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u32 stream_format;
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};
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struct msm_audio_aac_config32 {
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s16 format;
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u16 audio_object;
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u16 ep_config; /* 0 ~ 3 useful only obj = ERLC */
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u16 aac_section_data_resilience_flag;
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u16 aac_scalefactor_data_resilience_flag;
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u16 aac_spectral_data_resilience_flag;
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u16 sbr_on_flag;
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u16 sbr_ps_on_flag;
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u16 dual_mono_mode;
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u16 channel_configuration;
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u16 sample_rate;
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};
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enum {
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AUDIO_SET_AAC_CONFIG_32 = _IOW(AUDIO_IOCTL_MAGIC,
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(AUDIO_MAX_COMMON_IOCTL_NUM+0), struct msm_audio_aac_config32),
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AUDIO_GET_AAC_CONFIG_32 = _IOR(AUDIO_IOCTL_MAGIC,
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(AUDIO_MAX_COMMON_IOCTL_NUM+1), struct msm_audio_aac_config32),
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AUDIO_SET_AAC_ENC_CONFIG_32 = _IOW(AUDIO_IOCTL_MAGIC,
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(AUDIO_MAX_COMMON_IOCTL_NUM+3), struct msm_audio_aac_enc_config32),
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AUDIO_GET_AAC_ENC_CONFIG_32 = _IOR(AUDIO_IOCTL_MAGIC,
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(AUDIO_MAX_COMMON_IOCTL_NUM+4), struct msm_audio_aac_enc_config32)
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};
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static long aac_in_compat_ioctl(struct file *file, unsigned int cmd,
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unsigned long arg)
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{
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struct q6audio_in *audio = file->private_data;
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int rc = 0;
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switch (cmd) {
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case AUDIO_START:
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case AUDIO_STOP: {
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rc = aac_in_ioctl_shared(file, cmd, NULL);
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break;
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}
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case AUDIO_GET_AAC_ENC_CONFIG_32: {
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struct msm_audio_aac_enc_config cfg;
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struct msm_audio_aac_enc_config32 cfg_32;
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cmd = AUDIO_GET_AAC_ENC_CONFIG;
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rc = aac_in_ioctl_shared(file, cmd, &cfg);
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if (rc) {
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pr_err("%s:AUDIO_GET_AAC_ENC_CONFIG_32 failed. Rc= %d\n",
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__func__, rc);
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break;
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}
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cfg_32.channels = cfg.channels;
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cfg_32.sample_rate = cfg.sample_rate;
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cfg_32.bit_rate = cfg.bit_rate;
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cfg_32.stream_format = cfg.stream_format;
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if (copy_to_user((void *)arg, &cfg_32, sizeof(cfg_32))) {
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pr_err("%s: copy_to_user for AUDIO_GET_AAC_ENC_CONFIG_32 failed\n",
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__func__);
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rc = -EFAULT;
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}
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break;
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}
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case AUDIO_SET_AAC_ENC_CONFIG_32: {
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struct msm_audio_aac_enc_config cfg;
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struct msm_audio_aac_enc_config32 cfg_32;
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if (copy_from_user(&cfg_32, (void *)arg, sizeof(cfg_32))) {
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pr_err("%s: copy_from_user for AUDIO_GET_AAC_ENC_CONFIG_32 failed\n",
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__func__);
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rc = -EFAULT;
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break;
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}
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cfg.channels = cfg_32.channels;
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cfg.sample_rate = cfg_32.sample_rate;
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cfg.bit_rate = cfg_32.bit_rate;
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cfg.stream_format = cfg_32.stream_format;
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/* The command should be converted from 32 bit to normal
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* before the shared ioctl is called as shared ioctl
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* can process only normal commands */
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cmd = AUDIO_SET_AAC_ENC_CONFIG;
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rc = aac_in_ioctl_shared(file, cmd, &cfg);
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if (rc)
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pr_err("%s:AUDIO_SET_AAC_ENC_CONFIG_32 failed. rc=%d\n",
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__func__, rc);
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break;
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}
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case AUDIO_GET_AAC_CONFIG_32: {
|
|
struct msm_audio_aac_config *aac_config;
|
|
struct msm_audio_aac_config32 aac_config_32;
|
|
|
|
aac_config = (struct msm_audio_aac_config *)audio->codec_cfg;
|
|
aac_config_32.format = aac_config->format;
|
|
aac_config_32.audio_object = aac_config->audio_object;
|
|
aac_config_32.ep_config = aac_config->ep_config;
|
|
aac_config_32.aac_section_data_resilience_flag =
|
|
aac_config->aac_section_data_resilience_flag;
|
|
aac_config_32.aac_scalefactor_data_resilience_flag =
|
|
aac_config->aac_scalefactor_data_resilience_flag;
|
|
aac_config_32.aac_spectral_data_resilience_flag =
|
|
aac_config->aac_spectral_data_resilience_flag;
|
|
aac_config_32.sbr_on_flag = aac_config->sbr_on_flag;
|
|
aac_config_32.sbr_ps_on_flag = aac_config->sbr_ps_on_flag;
|
|
aac_config_32.dual_mono_mode = aac_config->dual_mono_mode;
|
|
aac_config_32.channel_configuration =
|
|
aac_config->channel_configuration;
|
|
aac_config_32.sample_rate = aac_config->sample_rate;
|
|
|
|
if (copy_to_user((void *)arg, &aac_config_32,
|
|
sizeof(aac_config_32))) {
|
|
pr_err("%s: copy_to_user for AUDIO_GET_AAC_CONFIG_32 failed\n",
|
|
__func__);
|
|
rc = -EFAULT;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case AUDIO_SET_AAC_CONFIG_32: {
|
|
struct msm_audio_aac_config aac_cfg;
|
|
struct msm_audio_aac_config32 aac_cfg_32;
|
|
if (copy_from_user(&aac_cfg_32, (void *)arg,
|
|
sizeof(aac_cfg_32))) {
|
|
pr_err("%s: copy_from_user for AUDIO_SET_AAC_CONFIG_32 failed\n",
|
|
__func__);
|
|
rc = -EFAULT;
|
|
break;
|
|
}
|
|
aac_cfg.format = aac_cfg_32.format;
|
|
aac_cfg.audio_object = aac_cfg_32.audio_object;
|
|
aac_cfg.ep_config = aac_cfg_32.ep_config;
|
|
aac_cfg.aac_section_data_resilience_flag =
|
|
aac_cfg_32.aac_section_data_resilience_flag;
|
|
aac_cfg.aac_scalefactor_data_resilience_flag =
|
|
aac_cfg_32.aac_scalefactor_data_resilience_flag;
|
|
aac_cfg.aac_spectral_data_resilience_flag =
|
|
aac_cfg_32.aac_spectral_data_resilience_flag;
|
|
aac_cfg.sbr_on_flag = aac_cfg_32.sbr_on_flag;
|
|
aac_cfg.sbr_ps_on_flag = aac_cfg_32.sbr_ps_on_flag;
|
|
aac_cfg.dual_mono_mode = aac_cfg_32.dual_mono_mode;
|
|
aac_cfg.channel_configuration =
|
|
aac_cfg_32.channel_configuration;
|
|
aac_cfg.sample_rate = aac_cfg_32.sample_rate;
|
|
|
|
cmd = AUDIO_SET_AAC_CONFIG;
|
|
rc = aac_in_ioctl_shared(file, cmd, &aac_cfg);
|
|
if (rc)
|
|
pr_err("%s:AUDIO_SET_AAC_CONFIG failed. Rc= %d\n",
|
|
__func__, rc);
|
|
break;
|
|
}
|
|
default:
|
|
pr_err("%s: Unknown ioctl cmd = %d\n", __func__, cmd);
|
|
rc = -EINVAL;
|
|
}
|
|
return rc;
|
|
}
|
|
#else
|
|
#define aac_in_compat_ioctl NULL
|
|
#endif
|
|
|
|
static int aac_in_open(struct inode *inode, struct file *file)
|
|
{
|
|
struct q6audio_in *audio = NULL;
|
|
struct msm_audio_aac_enc_config *enc_cfg;
|
|
struct msm_audio_aac_config *aac_config;
|
|
int rc = 0;
|
|
|
|
audio = kzalloc(sizeof(struct q6audio_in), GFP_KERNEL);
|
|
|
|
if (audio == NULL) {
|
|
pr_err("%s: Could not allocate memory for aac"
|
|
"driver\n", __func__);
|
|
return -ENOMEM;
|
|
}
|
|
/* Allocate memory for encoder config param */
|
|
audio->enc_cfg = kzalloc(sizeof(struct msm_audio_aac_enc_config),
|
|
GFP_KERNEL);
|
|
if (audio->enc_cfg == NULL) {
|
|
pr_err("%s:session id %d: Could not allocate memory for aac"
|
|
"config param\n", __func__, audio->ac->session);
|
|
kfree(audio);
|
|
return -ENOMEM;
|
|
}
|
|
enc_cfg = audio->enc_cfg;
|
|
|
|
audio->codec_cfg = kzalloc(sizeof(struct msm_audio_aac_config),
|
|
GFP_KERNEL);
|
|
if (audio->codec_cfg == NULL) {
|
|
pr_err("%s:session id %d: Could not allocate memory for aac"
|
|
"config\n", __func__, audio->ac->session);
|
|
kfree(audio->enc_cfg);
|
|
kfree(audio);
|
|
return -ENOMEM;
|
|
}
|
|
aac_config = audio->codec_cfg;
|
|
|
|
mutex_init(&audio->lock);
|
|
mutex_init(&audio->read_lock);
|
|
mutex_init(&audio->write_lock);
|
|
spin_lock_init(&audio->dsp_lock);
|
|
init_waitqueue_head(&audio->read_wait);
|
|
init_waitqueue_head(&audio->write_wait);
|
|
|
|
/* Settings will be re-config at AUDIO_SET_CONFIG,
|
|
* but at least we need to have initial config
|
|
*/
|
|
audio->str_cfg.buffer_size = FRAME_SIZE;
|
|
audio->str_cfg.buffer_count = FRAME_NUM;
|
|
audio->min_frame_size = 1536;
|
|
audio->max_frames_per_buf = 5;
|
|
enc_cfg->sample_rate = 8000;
|
|
enc_cfg->channels = 1;
|
|
enc_cfg->bit_rate = 16000;
|
|
enc_cfg->stream_format = 0x00;/* 0:ADTS, 3:RAW */
|
|
audio->buf_cfg.meta_info_enable = 0x01;
|
|
audio->buf_cfg.frames_per_buf = 0x01;
|
|
audio->pcm_cfg.buffer_count = PCM_BUF_COUNT;
|
|
audio->pcm_cfg.buffer_size = PCM_BUF_SIZE;
|
|
aac_config->format = AUDIO_AAC_FORMAT_ADTS;
|
|
aac_config->audio_object = AUDIO_AAC_OBJECT_LC;
|
|
aac_config->sbr_on_flag = 0;
|
|
aac_config->sbr_ps_on_flag = 0;
|
|
aac_config->channel_configuration = 1;
|
|
|
|
audio->ac = q6asm_audio_client_alloc((app_cb)q6asm_in_cb,
|
|
(void *)audio);
|
|
|
|
if (!audio->ac) {
|
|
pr_err("%s: Could not allocate memory for"
|
|
"audio client\n", __func__);
|
|
kfree(audio->enc_cfg);
|
|
kfree(audio->codec_cfg);
|
|
kfree(audio);
|
|
return -ENOMEM;
|
|
}
|
|
/* open aac encoder in tunnel mode */
|
|
audio->buf_cfg.frames_per_buf = 0x01;
|
|
|
|
if ((file->f_mode & FMODE_WRITE) &&
|
|
(file->f_mode & FMODE_READ)) {
|
|
audio->feedback = NON_TUNNEL_MODE;
|
|
rc = q6asm_open_read_write(audio->ac, FORMAT_MPEG4_AAC,
|
|
FORMAT_LINEAR_PCM);
|
|
|
|
if (rc < 0) {
|
|
pr_err("%s:session id %d: NT Open failed rc=%d\n",
|
|
__func__, audio->ac->session, rc);
|
|
rc = -ENODEV;
|
|
goto fail;
|
|
}
|
|
audio->buf_cfg.meta_info_enable = 0x01;
|
|
pr_info("%s:session id %d: NT mode encoder success\n", __func__,
|
|
audio->ac->session);
|
|
} else if (!(file->f_mode & FMODE_WRITE) &&
|
|
(file->f_mode & FMODE_READ)) {
|
|
audio->feedback = TUNNEL_MODE;
|
|
rc = q6asm_open_read(audio->ac, FORMAT_MPEG4_AAC);
|
|
|
|
if (rc < 0) {
|
|
pr_err("%s:session id %d: Tunnel Open failed rc=%d\n",
|
|
__func__, audio->ac->session, rc);
|
|
rc = -ENODEV;
|
|
goto fail;
|
|
}
|
|
/* register for tx overflow (valid for tunnel mode only) */
|
|
rc = q6asm_reg_tx_overflow(audio->ac, 0x01);
|
|
if (rc < 0) {
|
|
pr_err("%s:session id %d: TX Overflow registration"
|
|
"failed rc=%d\n", __func__,
|
|
audio->ac->session, rc);
|
|
rc = -ENODEV;
|
|
goto fail;
|
|
}
|
|
audio->buf_cfg.meta_info_enable = 0x00;
|
|
pr_info("%s:session id %d: T mode encoder success\n", __func__,
|
|
audio->ac->session);
|
|
} else {
|
|
pr_err("%s:session id %d: Unexpected mode\n", __func__,
|
|
audio->ac->session);
|
|
rc = -EACCES;
|
|
goto fail;
|
|
}
|
|
audio->opened = 1;
|
|
audio->reset_event = false;
|
|
atomic_set(&audio->in_count, PCM_BUF_COUNT);
|
|
atomic_set(&audio->out_count, 0x00);
|
|
audio->enc_compat_ioctl = aac_in_compat_ioctl;
|
|
audio->enc_ioctl = aac_in_ioctl;
|
|
file->private_data = audio;
|
|
|
|
pr_info("%s:session id %d: success\n", __func__, audio->ac->session);
|
|
return 0;
|
|
fail:
|
|
q6asm_audio_client_free(audio->ac);
|
|
kfree(audio->enc_cfg);
|
|
kfree(audio->codec_cfg);
|
|
kfree(audio);
|
|
return rc;
|
|
}
|
|
|
|
static const struct file_operations audio_in_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = aac_in_open,
|
|
.release = audio_in_release,
|
|
.read = audio_in_read,
|
|
.write = audio_in_write,
|
|
.unlocked_ioctl = audio_in_ioctl,
|
|
.compat_ioctl = audio_in_compat_ioctl
|
|
};
|
|
|
|
struct miscdevice audio_aac_in_misc = {
|
|
.minor = MISC_DYNAMIC_MINOR,
|
|
.name = "msm_aac_in",
|
|
.fops = &audio_in_fops,
|
|
};
|
|
|
|
static int __init aac_in_init(void)
|
|
{
|
|
return misc_register(&audio_aac_in_misc);
|
|
}
|
|
device_initcall(aac_in_init);
|