4ca0c0d478
Exynos5420 added support for I2S TDM mode. For this, there are some register changes in the I2S controller. This patch adds the relevant register changes to support I2S in normal mode. This patch adds a quirk for TDM mode and if TDM mode is present all the relevent changes will be applied. Signed-off-by: Padmavathi Venna <padma.v@samsung.com> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org>
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/* arch/arm/plat-samsung/include/plat/audio.h
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*
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* Copyright (c) 2009 Samsung Electronics Co. Ltd
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* Author: Jaswinder Singh <jassi.brar@samsung.com>
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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 as
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* published by the Free Software Foundation.
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*/
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/* The machine init code calls s3c*_ac97_setup_gpio with
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* one of these defines in order to select appropriate bank
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* of GPIO for AC97 pins
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*/
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#define S3C64XX_AC97_GPD 0
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#define S3C64XX_AC97_GPE 1
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extern void s3c64xx_ac97_setup_gpio(int);
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/*
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* The machine init code calls s5p*_spdif_setup_gpio with
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* one of these defines in order to select appropriate bank
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* of GPIO for S/PDIF pins
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*/
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#define S5PC100_SPDIF_GPD 0
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#define S5PC100_SPDIF_GPG3 1
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extern void s5pc100_spdif_setup_gpio(int);
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struct samsung_i2s {
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/* If the Primary DAI has 5.1 Channels */
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#define QUIRK_PRI_6CHAN (1 << 0)
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/* If the I2S block has a Stereo Overlay Channel */
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#define QUIRK_SEC_DAI (1 << 1)
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/*
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* If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit)
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* The Machine driver must provide suitably set clock to the I2S block.
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*/
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#define QUIRK_NO_MUXPSR (1 << 2)
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#define QUIRK_NEED_RSTCLR (1 << 3)
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#define QUIRK_SUPPORTS_TDM (1 << 4)
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/* Quirks of the I2S controller */
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u32 quirks;
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dma_addr_t idma_addr;
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};
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/**
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* struct s3c_audio_pdata - common platform data for audio device drivers
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* @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
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*/
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struct s3c_audio_pdata {
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int (*cfg_gpio)(struct platform_device *);
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union {
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struct samsung_i2s i2s;
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} type;
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};
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