49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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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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/* 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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#include <linux/dmaengine.h>
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extern void s3c64xx_ac97_setup_gpio(int);
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struct samsung_i2s_type {
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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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#define QUIRK_SUPPORTS_IDMA (1 << 5)
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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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dma_filter_fn dma_filter;
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void *dma_playback;
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void *dma_capture;
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void *dma_play_sec;
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void *dma_capture_mic;
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struct samsung_i2s_type type;
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};
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