93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/*
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* Copyright (c) 2012, 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 <asm/atomic.h>
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#include <asm/ioctls.h>
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#include "audio_utils.h"
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void q6asm_in_cb(uint32_t opcode, uint32_t token,
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uint32_t *payload, void *priv)
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{
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struct q6audio_in * audio = (struct q6audio_in *)priv;
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unsigned long flags;
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pr_debug("%s:session id %d: opcode[0x%x]\n", __func__,
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audio->ac->session, opcode);
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spin_lock_irqsave(&audio->dsp_lock, flags);
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switch (opcode) {
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case ASM_DATA_EVENT_READ_DONE:
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audio_in_get_dsp_frames(audio, token, payload);
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break;
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case ASM_DATA_EVENT_WRITE_DONE:
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atomic_inc(&audio->in_count);
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wake_up(&audio->write_wait);
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break;
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case ASM_DATA_CMDRSP_EOS:
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audio->eos_rsp = 1;
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wake_up(&audio->read_wait);
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break;
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case ASM_STREAM_CMDRSP_GET_ENCDEC_PARAM:
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break;
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case ASM_STREAM_CMDRSP_GET_PP_PARAMS:
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break;
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case ASM_SESSION_EVENT_TX_OVERFLOW:
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pr_err("%s:session id %d: ASM_SESSION_EVENT_TX_OVERFLOW\n",
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__func__, audio->ac->session);
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break;
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default:
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pr_debug("%s:session id %d: Ignore opcode[0x%x]\n", __func__,
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audio->ac->session, opcode);
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break;
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}
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spin_unlock_irqrestore(&audio->dsp_lock, flags);
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}
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void audio_in_get_dsp_frames(/*struct q6audio_in *audio,*/void *aud,
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uint32_t token, uint32_t *payload)
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{
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struct q6audio_in *audio = (struct q6audio_in *)aud;
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uint32_t index;
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index = token;
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pr_debug("%s:session id %d: index=%d nr frames=%d offset[%d]\n",
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__func__, audio->ac->session, token, payload[7],
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payload[3]);
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pr_debug("%s:session id %d: timemsw=%d lsw=%d\n", __func__,
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audio->ac->session, payload[4], payload[5]);
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pr_debug("%s:session id %d: uflags=0x%8x uid=0x%8x\n", __func__,
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audio->ac->session, payload[6], payload[8]);
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pr_debug("%s:session id %d: enc frame size=0x%8x\n", __func__,
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audio->ac->session, payload[2]);
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audio->out_frame_info[index][0] = payload[7];
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audio->out_frame_info[index][1] = payload[3];
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/* statistics of read */
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atomic_add(payload[2], &audio->in_bytes);
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atomic_add(payload[7], &audio->in_samples);
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if (atomic_read(&audio->out_count) <= audio->str_cfg.buffer_count) {
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atomic_inc(&audio->out_count);
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wake_up(&audio->read_wait);
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}
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}
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