From ed6e1d04c106f69882c055a72a63111ed9dadc01 Mon Sep 17 00:00:00 2001 From: Dong Aisheng Date: Thu, 21 Jul 2011 12:36:55 +0800 Subject: ASoC: mxs: add mxs-pcm driver Signed-off-by: Dong Aisheng Acked-by: Liam Girdwood Tested-by: Wolfram Sang Signed-off-by: Mark Brown --- sound/soc/mxs/mxs-pcm.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 sound/soc/mxs/mxs-pcm.h (limited to 'sound/soc/mxs/mxs-pcm.h') diff --git a/sound/soc/mxs/mxs-pcm.h b/sound/soc/mxs/mxs-pcm.h new file mode 100644 index 000000000000..f55ac4f7a76a --- /dev/null +++ b/sound/soc/mxs/mxs-pcm.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. 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 as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef _MXS_PCM_H +#define _MXS_PCM_H + +#include + +struct mxs_pcm_dma_params { + int chan_irq; + int chan_num; +}; + +struct mxs_pcm_runtime_data { + int period_bytes; + int periods; + int dma; + unsigned long offset; + unsigned long size; + void *buf; + int period_time; + struct dma_async_tx_descriptor *desc; + struct dma_chan *dma_chan; + struct mxs_dma_data dma_data; + struct mxs_pcm_dma_params *dma_params; +}; + +#endif -- cgit v1.2.3