diff options
Diffstat (limited to 'include/linux/platform_data/asoc-s3c.h')
| -rw-r--r-- | include/linux/platform_data/asoc-s3c.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/linux/platform_data/asoc-s3c.h b/include/linux/platform_data/asoc-s3c.h new file mode 100644 index 000000000..f9c00f839 --- /dev/null +++ b/include/linux/platform_data/asoc-s3c.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2009 Samsung Electronics Co. Ltd + * Author: Jaswinder Singh <jassi.brar@samsung.com> + */ + +/* The machine init code calls s3c*_ac97_setup_gpio with + * one of these defines in order to select appropriate bank + * of GPIO for AC97 pins + */ +#define S3C64XX_AC97_GPD 0 +#define S3C64XX_AC97_GPE 1 + +#include <linux/dmaengine.h> + +extern void s3c64xx_ac97_setup_gpio(int); + +struct samsung_i2s_type { +/* If the Primary DAI has 5.1 Channels */ +#define QUIRK_PRI_6CHAN (1 << 0) +/* If the I2S block has a Stereo Overlay Channel */ +#define QUIRK_SEC_DAI (1 << 1) +/* + * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit) + * The Machine driver must provide suitably set clock to the I2S block. + */ +#define QUIRK_NO_MUXPSR (1 << 2) +#define QUIRK_NEED_RSTCLR (1 << 3) +#define QUIRK_SUPPORTS_TDM (1 << 4) +#define QUIRK_SUPPORTS_IDMA (1 << 5) + /* Quirks of the I2S controller */ + u32 quirks; + dma_addr_t idma_addr; +}; + +/** + * struct s3c_audio_pdata - common platform data for audio device drivers + * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode + */ +struct s3c_audio_pdata { + int (*cfg_gpio)(struct platform_device *); + dma_filter_fn dma_filter; + void *dma_playback; + void *dma_capture; + void *dma_play_sec; + void *dma_capture_mic; + struct samsung_i2s_type type; +}; |