incubator-nuttx/boards/arm/cxd56xx/drivers/audio/cxd56_audio_dma.h

84 lines
4.1 KiB
C

/****************************************************************************
* boards/arm/cxd56xx/drivers/audio/cxd56_audio_dma.h
*
* Copyright 2018 Sony Semiconductor Solutions Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Sony Semiconductor Solutions Corporation nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __BOARDS_ARM_CXD56XX_DRIVERS_AUDIO_CXD56_AUDIO_DMA_H
#define __BOARDS_ARM_CXD56XX_DRIVERS_AUDIO_CXD56_AUDIO_DMA_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <arch/chip/audio.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Inline Functions
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
CXD56_AUDIO_ECODE cxd56_audio_dma_get_handle(cxd56_audio_dma_path_t path,
FAR cxd56_audio_dma_t *handle);
CXD56_AUDIO_ECODE cxd56_audio_dma_free_handle(cxd56_audio_dma_t handle);
CXD56_AUDIO_ECODE cxd56_audio_dma_init(cxd56_audio_dma_t handle,
cxd56_audio_samp_fmt_t fmt,
FAR uint8_t *ch_num);
CXD56_AUDIO_ECODE cxd56_audio_dma_set_cb(cxd56_audio_dma_t handle,
FAR cxd56_audio_dma_cb_t cb);
CXD56_AUDIO_ECODE cxd56_audio_dma_get_mstate(cxd56_audio_dma_t handle,
FAR cxd56_audio_dma_mstate_t *state);
CXD56_AUDIO_ECODE cxd56_audio_dma_en_dmaint(void);
CXD56_AUDIO_ECODE cxd56_audio_dma_dis_dmaint(void);
CXD56_AUDIO_ECODE cxd56_audio_dma_start(cxd56_audio_dma_t handle,
uint32_t addr,
uint32_t sample);
CXD56_AUDIO_ECODE cxd56_audio_dma_stop(cxd56_audio_dma_t handle);
void cxd56_audio_dma_int_handler(void);
#endif /* __BOARDS_ARM_CXD56XX_DRIVERS_AUDIO_CXD56_AUDIO_DMA_H */