329 lines
8.7 KiB
C
329 lines
8.7 KiB
C
/* aac audio output device
|
|
*
|
|
* Copyright (C) 2008 Google, Inc.
|
|
* Copyright (C) 2008 HTC Corporation
|
|
* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#include <linux/msm_audio_aac.h>
|
|
#include <mach/socinfo.h>
|
|
#include "audio_utils_aio.h"
|
|
|
|
#define AUDIO_AAC_DUAL_MONO_INVALID -1
|
|
|
|
|
|
/* Default number of pre-allocated event packets */
|
|
#define PCM_BUFSZ_MIN_AACM ((8*1024) + sizeof(struct dec_meta_out))
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
static const struct file_operations audio_aac_debug_fops = {
|
|
.read = audio_aio_debug_read,
|
|
.open = audio_aio_debug_open,
|
|
};
|
|
#endif
|
|
|
|
static long audio_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
|
|
{
|
|
struct q6audio_aio *audio = file->private_data;
|
|
int rc = 0;
|
|
|
|
switch (cmd) {
|
|
case AUDIO_START: {
|
|
struct asm_aac_cfg aac_cfg;
|
|
struct msm_audio_aac_config *aac_config;
|
|
uint32_t sbr_ps = 0x00;
|
|
aac_config = (struct msm_audio_aac_config *)audio->codec_cfg;
|
|
if (audio->feedback == TUNNEL_MODE) {
|
|
aac_cfg.sample_rate = aac_config->sample_rate;
|
|
aac_cfg.ch_cfg = aac_config->channel_configuration;
|
|
} else {
|
|
aac_cfg.sample_rate = audio->pcm_cfg.sample_rate;
|
|
aac_cfg.ch_cfg = audio->pcm_cfg.channel_count;
|
|
}
|
|
pr_debug("%s: AUDIO_START session_id[%d]\n", __func__,
|
|
audio->ac->session);
|
|
if (audio->feedback == NON_TUNNEL_MODE) {
|
|
/* Configure PCM output block */
|
|
rc = q6asm_enc_cfg_blk_pcm_native(audio->ac,
|
|
aac_cfg.sample_rate,
|
|
aac_cfg.ch_cfg);
|
|
if (rc < 0) {
|
|
pr_err("pcm output block config failed\n");
|
|
break;
|
|
}
|
|
}
|
|
/* turn on both sbr and ps */
|
|
rc = q6asm_enable_sbrps(audio->ac, sbr_ps);
|
|
if (rc < 0)
|
|
pr_err("sbr-ps enable failed\n");
|
|
if (aac_config->sbr_ps_on_flag)
|
|
aac_cfg.aot = AAC_ENC_MODE_EAAC_P;
|
|
else if (aac_config->sbr_on_flag)
|
|
aac_cfg.aot = AAC_ENC_MODE_AAC_P;
|
|
else
|
|
aac_cfg.aot = AAC_ENC_MODE_AAC_LC;
|
|
|
|
switch (aac_config->format) {
|
|
case AUDIO_AAC_FORMAT_ADTS:
|
|
aac_cfg.format = 0x00;
|
|
break;
|
|
case AUDIO_AAC_FORMAT_LOAS:
|
|
aac_cfg.format = 0x01;
|
|
break;
|
|
case AUDIO_AAC_FORMAT_ADIF:
|
|
aac_cfg.format = 0x02;
|
|
break;
|
|
default:
|
|
case AUDIO_AAC_FORMAT_RAW:
|
|
aac_cfg.format = 0x03;
|
|
}
|
|
aac_cfg.ep_config = aac_config->ep_config;
|
|
aac_cfg.section_data_resilience =
|
|
aac_config->aac_section_data_resilience_flag;
|
|
aac_cfg.scalefactor_data_resilience =
|
|
aac_config->aac_scalefactor_data_resilience_flag;
|
|
aac_cfg.spectral_data_resilience =
|
|
aac_config->aac_spectral_data_resilience_flag;
|
|
|
|
pr_debug("%s:format=%x aot=%d ch=%d sr=%d\n",
|
|
__func__, aac_cfg.format,
|
|
aac_cfg.aot, aac_cfg.ch_cfg,
|
|
aac_cfg.sample_rate);
|
|
|
|
/* Configure Media format block */
|
|
rc = q6asm_media_format_block_multi_aac(audio->ac, &aac_cfg);
|
|
if (rc < 0) {
|
|
pr_err("cmd media format block failed\n");
|
|
break;
|
|
}
|
|
if (!cpu_is_msm8x60()) {
|
|
rc = q6asm_set_encdec_chan_map(audio->ac, 2);
|
|
if (rc < 0) {
|
|
pr_err("%s: cmd set encdec_chan_map failed\n",
|
|
__func__);
|
|
break;
|
|
}
|
|
}
|
|
rc = audio_aio_enable(audio);
|
|
audio->eos_rsp = 0;
|
|
audio->eos_flag = 0;
|
|
if (!rc) {
|
|
audio->enabled = 1;
|
|
} else {
|
|
audio->enabled = 0;
|
|
pr_err("Audio Start procedure failed rc=%d\n", rc);
|
|
break;
|
|
}
|
|
pr_info("%s: AUDIO_START sessionid[%d]enable[%d]\n", __func__,
|
|
audio->ac->session,
|
|
audio->enabled);
|
|
if (audio->stopped == 1)
|
|
audio->stopped = 0;
|
|
break;
|
|
}
|
|
case AUDIO_GET_AAC_CONFIG: {
|
|
if (copy_to_user((void *)arg, audio->codec_cfg,
|
|
sizeof(struct msm_audio_aac_config))) {
|
|
rc = -EFAULT;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case AUDIO_SET_AAC_CONFIG: {
|
|
struct msm_audio_aac_config *aac_config;
|
|
if (copy_from_user(audio->codec_cfg, (void *)arg,
|
|
sizeof(struct msm_audio_aac_config))) {
|
|
rc = -EFAULT;
|
|
} else {
|
|
uint16_t sce_left = 1, sce_right = 2;
|
|
aac_config = audio->codec_cfg;
|
|
if (aac_config->dual_mono_mode >
|
|
AUDIO_AAC_DUAL_MONO_PL_SR) {
|
|
pr_err("%s:AUDIO_SET_AAC_CONFIG: Invalid dual_mono mode =%d\n",
|
|
__func__, aac_config->dual_mono_mode);
|
|
} else {
|
|
/* convert the data from user into sce_left
|
|
* and sce_right based on the definitions
|
|
*/
|
|
pr_debug("%s: AUDIO_SET_AAC_CONFIG: modify dual_mono mode =%d\n",
|
|
__func__, aac_config->dual_mono_mode);
|
|
switch (aac_config->dual_mono_mode) {
|
|
case AUDIO_AAC_DUAL_MONO_PL_PR:
|
|
sce_left = 1;
|
|
sce_right = 1;
|
|
break;
|
|
case AUDIO_AAC_DUAL_MONO_SL_SR:
|
|
sce_left = 2;
|
|
sce_right = 2;
|
|
break;
|
|
case AUDIO_AAC_DUAL_MONO_SL_PR:
|
|
sce_left = 2;
|
|
sce_right = 1;
|
|
break;
|
|
case AUDIO_AAC_DUAL_MONO_PL_SR:
|
|
default:
|
|
sce_left = 1;
|
|
sce_right = 2;
|
|
break;
|
|
}
|
|
rc = q6asm_cfg_dual_mono_aac(audio->ac,
|
|
sce_left, sce_right);
|
|
if (rc < 0)
|
|
pr_err("%s: asm cmd dualmono failed rc=%d\n",
|
|
__func__, rc);
|
|
} break;
|
|
}
|
|
break;
|
|
}
|
|
case AUDIO_SET_AAC_MIX_CONFIG: {
|
|
pr_debug("%s, AUDIO_SET_AAC_MIX_CONFIG", __func__);
|
|
if (copy_from_user(audio->codec_cfg, (void *)arg,
|
|
sizeof(unsigned long))) {
|
|
rc = -EFAULT;
|
|
break;
|
|
} else {
|
|
unsigned long *mix_coeff =
|
|
(unsigned long *)audio->codec_cfg;
|
|
pr_debug("%s, value of coeff = %lu",
|
|
__func__, *mix_coeff);
|
|
q6asm_cfg_aac_sel_mix_coef(audio->ac, *mix_coeff);
|
|
if (rc < 0)
|
|
pr_err("%s asm aac_sel_mix_coef failed rc=%d\n",
|
|
__func__, rc);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
pr_debug("Calling utils ioctl\n");
|
|
rc = audio->codec_ioctl(file, cmd, arg);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
|
|
static int audio_open(struct inode *inode, struct file *file)
|
|
{
|
|
struct q6audio_aio *audio = NULL;
|
|
int rc = 0;
|
|
struct msm_audio_aac_config *aac_config = NULL;
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
/* 4 bytes represents decoder number, 1 byte for terminate string */
|
|
char name[sizeof "msm_multi_aac_" + 5];
|
|
#endif
|
|
audio = kzalloc(sizeof(struct q6audio_aio), GFP_KERNEL);
|
|
|
|
if (audio == NULL) {
|
|
pr_err("Could not allocate memory for aac decode driver\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
audio->codec_cfg = kzalloc(sizeof(struct msm_audio_aac_config),
|
|
GFP_KERNEL);
|
|
if (audio->codec_cfg == NULL) {
|
|
pr_err("%s: Could not allocate memory for aac config\n",
|
|
__func__);
|
|
kfree(audio);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
aac_config = audio->codec_cfg;
|
|
|
|
audio->pcm_cfg.buffer_size = PCM_BUFSZ_MIN_AACM;
|
|
aac_config->dual_mono_mode = AUDIO_AAC_DUAL_MONO_INVALID;
|
|
|
|
audio->ac = q6asm_audio_client_alloc((app_cb) q6_audio_cb,
|
|
(void *)audio);
|
|
|
|
if (!audio->ac) {
|
|
pr_err("Could not allocate memory for audio client\n");
|
|
kfree(audio->codec_cfg);
|
|
kfree(audio);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* open in T/NT mode */
|
|
if ((file->f_mode & FMODE_WRITE) && (file->f_mode & FMODE_READ)) {
|
|
rc = q6asm_open_read_write(audio->ac, FORMAT_LINEAR_PCM,
|
|
FORMAT_MPEG4_MULTI_AAC);
|
|
if (rc < 0) {
|
|
pr_err("NT mode Open failed rc=%d\n", rc);
|
|
rc = -ENODEV;
|
|
goto fail;
|
|
}
|
|
audio->feedback = NON_TUNNEL_MODE;
|
|
/* open AAC decoder, expected frames is always 1
|
|
audio->buf_cfg.frames_per_buf = 0x01;*/
|
|
audio->buf_cfg.meta_info_enable = 0x01;
|
|
} else if ((file->f_mode & FMODE_WRITE) &&
|
|
!(file->f_mode & FMODE_READ)) {
|
|
rc = q6asm_open_write(audio->ac, FORMAT_MPEG4_MULTI_AAC);
|
|
if (rc < 0) {
|
|
pr_err("T mode Open failed rc=%d\n", rc);
|
|
rc = -ENODEV;
|
|
goto fail;
|
|
}
|
|
audio->feedback = TUNNEL_MODE;
|
|
audio->buf_cfg.meta_info_enable = 0x00;
|
|
} else {
|
|
pr_err("Not supported mode\n");
|
|
rc = -EACCES;
|
|
goto fail;
|
|
}
|
|
rc = audio_aio_open(audio, file);
|
|
if (rc < 0) {
|
|
pr_err("audio_aio_open rc=%d\n", rc);
|
|
goto fail;
|
|
}
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
snprintf(name, sizeof name, "msm_multi_aac_%04x", audio->ac->session);
|
|
audio->dentry = debugfs_create_file(name, S_IFREG | S_IRUGO,
|
|
NULL, (void *)audio,
|
|
&audio_aac_debug_fops);
|
|
|
|
if (IS_ERR(audio->dentry))
|
|
pr_debug("debugfs_create_file failed\n");
|
|
#endif
|
|
pr_info("%s:AAC 5.1 Decoder OPEN success mode[%d]session[%d]\n",
|
|
__func__, audio->feedback, audio->ac->session);
|
|
return rc;
|
|
fail:
|
|
q6asm_audio_client_free(audio->ac);
|
|
kfree(audio->codec_cfg);
|
|
kfree(audio);
|
|
return rc;
|
|
}
|
|
|
|
static const struct file_operations audio_aac_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = audio_open,
|
|
.release = audio_aio_release,
|
|
.unlocked_ioctl = audio_ioctl,
|
|
.fsync = audio_aio_fsync,
|
|
};
|
|
|
|
struct miscdevice audio_multiaac_misc = {
|
|
.minor = MISC_DYNAMIC_MINOR,
|
|
.name = "msm_multi_aac",
|
|
.fops = &audio_aac_fops,
|
|
};
|
|
|
|
static int __init audio_aac_init(void)
|
|
{
|
|
return misc_register(&audio_multiaac_misc);
|
|
}
|
|
|
|
device_initcall(audio_aac_init);
|