6a3a01ae8e
LPA_IF dma channel is disabled without checking the per count value. Because of this dma channel is not functional after few iterations of continuous playback. Fix this issue by checking the dma per count value to stop before disabling the LPA_IF dma channel. Change-Id: Ie9e9a9337ca2c4b76cebd99cd3eb98137be85b89 Signed-off-by: Deepa Madiregama <dmadireg@codeaurora.org>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Copyright (c) 2010-2011, Code Aurora Forum. 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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