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 | |
16 | extern void s3c64xx_ac97_setup_gpio(int); |
17 | |
18 | struct samsung_i2s_type { |
19 | /* If the Primary DAI has 5.1 Channels */ |
20 | #define QUIRK_PRI_6CHAN (1 << 0) |
21 | /* If the I2S block has a Stereo Overlay Channel */ |
22 | #define QUIRK_SEC_DAI (1 << 1) |
23 | /* |
24 | * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit) |
25 | * The Machine driver must provide suitably set clock to the I2S block. |
26 | */ |
27 | #define QUIRK_NO_MUXPSR (1 << 2) |
28 | #define QUIRK_NEED_RSTCLR (1 << 3) |
29 | #define QUIRK_SUPPORTS_TDM (1 << 4) |
30 | #define QUIRK_SUPPORTS_IDMA (1 << 5) |
31 | /* Quirks of the I2S controller */ |
32 | u32 quirks; |
33 | dma_addr_t idma_addr; |
34 | }; |
35 | |
36 | /** |
37 | * struct s3c_audio_pdata - common platform data for audio device drivers |
38 | * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode |
39 | */ |
40 | struct s3c_audio_pdata { |
41 | int (*cfg_gpio)(struct platform_device *); |
42 | dma_filter_fn dma_filter; |
43 | void *dma_playback; |
44 | void *dma_capture; |
45 | void *dma_play_sec; |
46 | void *dma_capture_mic; |
47 | struct samsung_i2s_type type; |
48 | }; |
49 | |