53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* arch/arm/mach-msm/include/mach/msm_qdsp6_audio.h
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*
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* Copyright (C) 2009 Google, Inc.
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* Author: Brian Swetland <swetland@google.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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#ifndef _MACH_MSM_QDSP6_Q6AUDIO_
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#define _MACH_MSM_QDSP6_Q6AUDIO_
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#define AUDIO_FLAG_READ 0
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#define AUDIO_FLAG_WRITE 1
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#define AUDIO_FLAG_INCALL_MIXED 2
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struct audio_buffer {
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dma_addr_t phys;
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void *data;
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uint32_t size;
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uint32_t used; /* 1 = CPU is waiting for DSP to consume this buf */
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uint32_t actual_size; /* actual number of bytes read by DSP */
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};
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struct audio_client {
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struct audio_buffer buf[2];
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int cpu_buf; /* next buffer the CPU will touch */
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int dsp_buf; /* next buffer the DSP will touch */
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int running;
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int session;
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int state;
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wait_queue_head_t wait;
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wait_queue_head_t cmd_wait;
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struct dal_client *client;
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int cb_status;
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uint32_t flags;
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void *apr;
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int ref_count;
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};
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#endif
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