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/* Copyright (c) 2012-2013, 2015-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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/module.h>
#include <linux/fs.h>
#include <linux/miscdevice.h>
#include <linux/uaccess.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/atomic.h>
#include <asm/ioctls.h>
#include "audio_utils.h"
void q6asm_in_cb(uint32_t opcode, uint32_t token,
uint32_t *payload, void *priv)
{
struct q6audio_in *audio = (struct q6audio_in *)priv;
unsigned long flags;
pr_debug("%s:session id %d: opcode[0x%x]\n", __func__,
audio->ac->session, opcode);
spin_lock_irqsave(&audio->dsp_lock, flags);
switch (opcode) {
case ASM_DATA_EVENT_READ_DONE_V2:
audio_in_get_dsp_frames(audio, token, payload);
break;
case ASM_DATA_EVENT_WRITE_DONE_V2:
atomic_inc(&audio->in_count);
wake_up(&audio->write_wait);
break;
case ASM_DATA_EVENT_RENDERED_EOS:
audio->eos_rsp = 1;
wake_up(&audio->read_wait);
break;
case ASM_STREAM_CMDRSP_GET_PP_PARAMS_V2:
break;
case ASM_SESSION_EVENTX_OVERFLOW:
pr_err("%s:session id %d: ASM_SESSION_EVENT_TX_OVERFLOW\n",
__func__, audio->ac->session);
break;
case RESET_EVENTS:
pr_debug("%s:received RESET EVENTS\n", __func__);
audio->enabled = 0;
audio->stopped = 1;
audio->event_abort = 1;
audio->reset_event = true;
wake_up(&audio->read_wait);
wake_up(&audio->write_wait);
break;
default:
pr_debug("%s:session id %d: Ignore opcode[0x%x]\n", __func__,
audio->ac->session, opcode);
break;
}
spin_unlock_irqrestore(&audio->dsp_lock, flags);
}
void audio_in_get_dsp_frames(void *priv,
uint32_t token, uint32_t *payload)
{
struct q6audio_in *audio = (struct q6audio_in *)priv;
uint32_t index;
index = q6asm_get_buf_index_from_token(token);
pr_debug("%s:session id %d: index=%d nr frames=%d offset[%d]\n",
__func__, audio->ac->session, token, payload[9],
payload[5]);
pr_debug("%s:session id %d: timemsw=%d lsw=%d\n", __func__,
audio->ac->session, payload[7], payload[6]);
pr_debug("%s:session id %d: uflags=0x%8x uid=0x%8x\n", __func__,
audio->ac->session, payload[8], payload[10]);
pr_debug("%s:session id %d: enc_framesotal_size=0x%8x\n", __func__,
audio->ac->session, payload[4]);
/* Ensure the index is within max array size: FRAME_NUM */
if (index >= FRAME_NUM) {
pr_err("%s: Invalid index %d\n",
__func__, index);
return;
}
audio->out_frame_info[index][0] = payload[9];
audio->out_frame_info[index][1] = payload[5];
/* statistics of read */
atomic_add(payload[4], &audio->in_bytes);
atomic_add(payload[9], &audio->in_samples);
if (atomic_read(&audio->out_count) <= audio->str_cfg.buffer_count) {
atomic_inc(&audio->out_count);
wake_up(&audio->read_wait);
}
}
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