| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * Copyright (c) 2009 Samsung Electronics Co. Ltd |
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| 4 | * Author: Jaswinder Singh <jassi.brar@samsung.com> |
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| 5 | */ |
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| 6 | |
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| 7 | /* The machine init code calls s3c*_ac97_setup_gpio with |
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| 8 | * one of these defines in order to select appropriate bank |
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| 9 | * of GPIO for AC97 pins |
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| 10 | */ |
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| 11 | #define S3C64XX_AC97_GPD 0 |
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| 12 | #define S3C64XX_AC97_GPE 1 |
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| 13 | |
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| 14 | #include <linux/dmaengine.h> |
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| 15 | |
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| 16 | struct samsung_i2s_type { |
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| 17 | /* If the Primary DAI has 5.1 Channels */ |
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| 18 | #define QUIRK_PRI_6CHAN (1 << 0) |
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| 19 | /* If the I2S block has a Stereo Overlay Channel */ |
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| 20 | #define QUIRK_SEC_DAI (1 << 1) |
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| 21 | /* |
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| 22 | * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit) |
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| 23 | * The Machine driver must provide suitably set clock to the I2S block. |
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| 24 | */ |
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| 25 | #define QUIRK_NO_MUXPSR (1 << 2) |
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| 26 | #define QUIRK_NEED_RSTCLR (1 << 3) |
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| 27 | #define QUIRK_SUPPORTS_TDM (1 << 4) |
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| 28 | #define QUIRK_SUPPORTS_IDMA (1 << 5) |
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| 29 | /* Quirks of the I2S controller */ |
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| 30 | u32 quirks; |
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| 31 | dma_addr_t idma_addr; |
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| 32 | }; |
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| 33 | |
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| 34 | /** |
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| 35 | * struct s3c_audio_pdata - common platform data for audio device drivers |
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| 36 | * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode |
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| 37 | */ |
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| 38 | struct s3c_audio_pdata { |
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| 39 | int (*cfg_gpio)(struct platform_device *); |
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| 40 | dma_filter_fn dma_filter; |
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| 41 | void *dma_playback; |
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| 42 | void *dma_capture; |
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| 43 | void *dma_play_sec; |
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| 44 | void *dma_capture_mic; |
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| 45 | struct samsung_i2s_type type; |
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| 46 | }; |
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| 47 | |
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