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linux/sound/soc/samsung/idma.h

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ASoC: samsung: idma: Convert to SPDX License Identifier Replace GPL v2.0+ license statements with SPDX license identifier. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2019-04-19 03:21:41 -07:00
/* SPDX-License-Identifier: GPL-2.0 */
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. [Reapplied after dependencies propagated through in 3.1-rc1. --broonie] 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>
2011-07-20 01:07:13 -07:00
/*
* Copyright (c) 2011 Samsung Electronics Co., Ltd
* http://www.samsung.com
*/
#ifndef __SND_SOC_SAMSUNG_IDMA_H_
#define __SND_SOC_SAMSUNG_IDMA_H_
ASoC: Fix __iomem annotation for IDMA registers We always store the register address as __iomem but pass it around as a plain void * which upsets sparse. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-11-27 14:35:40 -07:00
extern void idma_reg_addr_init(void __iomem *regs, dma_addr_t addr);
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. [Reapplied after dependencies propagated through in 3.1-rc1. --broonie] 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>
2011-07-20 01:07:13 -07:00
/* 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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