M7350/kernel/arch/arm/mach-msm/qdsp6v2/q6audio_v1.c
2024-09-09 08:52:07 +00:00

93 lines
2.8 KiB
C

/*
* Copyright (c) 2012, 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 <asm/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:
audio_in_get_dsp_frames(audio, token, payload);
break;
case ASM_DATA_EVENT_WRITE_DONE:
atomic_inc(&audio->in_count);
wake_up(&audio->write_wait);
break;
case ASM_DATA_CMDRSP_EOS:
audio->eos_rsp = 1;
wake_up(&audio->read_wait);
break;
case ASM_STREAM_CMDRSP_GET_ENCDEC_PARAM:
break;
case ASM_STREAM_CMDRSP_GET_PP_PARAMS:
break;
case ASM_SESSION_EVENT_TX_OVERFLOW:
pr_err("%s:session id %d: ASM_SESSION_EVENT_TX_OVERFLOW\n",
__func__, audio->ac->session);
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(/*struct q6audio_in *audio,*/void *aud,
uint32_t token, uint32_t *payload)
{
struct q6audio_in *audio = (struct q6audio_in *)aud;
uint32_t index;
index = token;
pr_debug("%s:session id %d: index=%d nr frames=%d offset[%d]\n",
__func__, audio->ac->session, token, payload[7],
payload[3]);
pr_debug("%s:session id %d: timemsw=%d lsw=%d\n", __func__,
audio->ac->session, payload[4], payload[5]);
pr_debug("%s:session id %d: uflags=0x%8x uid=0x%8x\n", __func__,
audio->ac->session, payload[6], payload[8]);
pr_debug("%s:session id %d: enc frame size=0x%8x\n", __func__,
audio->ac->session, payload[2]);
audio->out_frame_info[index][0] = payload[7];
audio->out_frame_info[index][1] = payload[3];
/* statistics of read */
atomic_add(payload[2], &audio->in_bytes);
atomic_add(payload[7], &audio->in_samples);
if (atomic_read(&audio->out_count) <= audio->str_cfg.buffer_count) {
atomic_inc(&audio->out_count);
wake_up(&audio->read_wait);
}
}