50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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/* Copyright (c) 2010-2011, 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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#ifndef __DAI_H__
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#define __DAI_H__
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struct dai_dma_params {
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u8 *buffer;
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uint32_t src_start;
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uint32_t bus_id;
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int buffer_size;
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int period_size;
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int channels;
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};
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enum {
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DAI_SPKR = 0,
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DAI_MIC,
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DAI_MI2S,
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DAI_SEC_SPKR,
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DAI_SEC_MIC,
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};
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/* Function Prototypes */
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int dai_open(uint32_t dma_ch);
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void dai_close(uint32_t dma_ch);
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int dai_start(uint32_t dma_ch);
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int dai_stop(uint32_t dma_ch);
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int dai_set_params(uint32_t dma_ch, struct dai_dma_params *params);
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uint32_t dai_get_dma_pos(uint32_t dma_ch);
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void register_dma_irq_handler(int dma_ch,
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irqreturn_t (*callback) (int intrSrc, void *private_data),
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void *private_data);
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void unregister_dma_irq_handler(int dma_ch);
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void dai_set_master_mode(uint32_t dma_ch, int mode);
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int dai_start_hdmi(uint32_t dma_ch);
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int wait_for_dma_cnt_stop(uint32_t dma_ch);
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void dai_stop_hdmi(uint32_t dma_ch);
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#endif
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