M7350/kernel/arch/arm/mach-msm/qdsp6v2/audio_multi_aac.c
2024-09-09 08:52:07 +00:00

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);