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