Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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};