d7c3e9525a
I2S in Exynos4 and S5PC110(S5PV210) has a internal dma. It can be used low power audio mode and 2nd channel transfer. This patch can support idma. Signed-off-by: Sangbeom Kim <sbkim73@samsung.com> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> Acked-by: Liam Girdwood <lrg@ti.com> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
26 lines
696 B
C
26 lines
696 B
C
/*
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* sound/soc/samsung/idma.h
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd
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* http://www.samsung.com
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#ifndef __SND_SOC_SAMSUNG_IDMA_H_
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#define __SND_SOC_SAMSUNG_IDMA_H_
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extern void idma_reg_addr_init(void *regs, dma_addr_t addr);
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/* dma_state */
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#define LPAM_DMA_STOP 0
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#define LPAM_DMA_START 1
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#define MAX_IDMA_PERIOD (128 * 1024)
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#define MAX_IDMA_BUFFER (160 * 1024)
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#endif /* __SND_SOC_SAMSUNG_IDMA_H_ */
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