Commit d7c3e952 authored by Sangbeom Kim's avatar Sangbeom Kim Committed by Mark Brown

ASoC: SAMSUNG: Add I2S0 internal dma driver

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: default avatarSangbeom Kim <sbkim73@samsung.com>
Acked-by: default avatarJassi Brar <jassisinghbrar@gmail.com>
Acked-by: default avatarLiam Girdwood <lrg@ti.com>
Acked-by: default avatarJassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 61100f40
# S3c24XX Platform Support
snd-soc-s3c24xx-objs := dma.o
snd-soc-idma-objs := idma.o
snd-soc-s3c24xx-i2s-objs := s3c24xx-i2s.o
snd-soc-s3c2412-i2s-objs := s3c2412-i2s.o
snd-soc-ac97-objs := ac97.o
......@@ -16,6 +17,7 @@ obj-$(CONFIG_SND_S3C_I2SV2_SOC) += snd-soc-s3c-i2s-v2.o
obj-$(CONFIG_SND_SAMSUNG_SPDIF) += snd-soc-samsung-spdif.o
obj-$(CONFIG_SND_SAMSUNG_PCM) += snd-soc-pcm.o
obj-$(CONFIG_SND_SAMSUNG_I2S) += snd-soc-i2s.o
obj-$(CONFIG_SND_SAMSUNG_I2S) += snd-soc-idma.o
# S3C24XX Machine Support
snd-soc-jive-wm8750-objs := jive_wm8750.o
......
This diff is collapsed.
/*
* sound/soc/samsung/idma.h
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd
* http://www.samsung.com
*
* 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.
*
*/
#ifndef __SND_SOC_SAMSUNG_IDMA_H_
#define __SND_SOC_SAMSUNG_IDMA_H_
extern void idma_reg_addr_init(void *regs, dma_addr_t addr);
/* dma_state */
#define LPAM_DMA_STOP 0
#define LPAM_DMA_START 1
#define MAX_IDMA_PERIOD (128 * 1024)
#define MAX_IDMA_BUFFER (160 * 1024)
#endif /* __SND_SOC_SAMSUNG_IDMA_H_ */
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