asoc-s3c.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (c) 2009 Samsung Electronics Co. Ltd
 4 * Author: Jaswinder Singh <jassi.brar@samsung.com>
 5 */
 6
 7/* The machine init code calls s3c*_ac97_setup_gpio with
 8 * one of these defines in order to select appropriate bank
 9 * of GPIO for AC97 pins
10 */
11#define S3C64XX_AC97_GPD  0
12#define S3C64XX_AC97_GPE  1
13
14#include <linux/dmaengine.h>
15
16struct samsung_i2s_type {
17/* If the Primary DAI has 5.1 Channels */
18#define QUIRK_PRI_6CHAN		(1 << 0)
19/* If the I2S block has a Stereo Overlay Channel */
20#define QUIRK_SEC_DAI		(1 << 1)
21/*
22 * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit)
23 * The Machine driver must provide suitably set clock to the I2S block.
24 */
25#define QUIRK_NO_MUXPSR		(1 << 2)
26#define QUIRK_NEED_RSTCLR	(1 << 3)
27#define QUIRK_SUPPORTS_TDM	(1 << 4)
28#define QUIRK_SUPPORTS_IDMA	(1 << 5)
29	/* Quirks of the I2S controller */
30	u32 quirks;
31	dma_addr_t idma_addr;
32};
33
34/**
35 * struct s3c_audio_pdata - common platform data for audio device drivers
36 * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
37 */
38struct s3c_audio_pdata {
39	int (*cfg_gpio)(struct platform_device *);
40	dma_filter_fn dma_filter;
41	void *dma_playback;
42	void *dma_capture;
43	void *dma_play_sec;
44	void *dma_capture_mic;
45	struct samsung_i2s_type type;
46};