1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2009 Samsung Electronics Co. Ltd 4*4882a593Smuzhiyun * Author: Jaswinder Singh <jassi.brar@samsung.com> 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun /* The machine init code calls s3c*_ac97_setup_gpio with 8*4882a593Smuzhiyun * one of these defines in order to select appropriate bank 9*4882a593Smuzhiyun * of GPIO for AC97 pins 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun #define S3C64XX_AC97_GPD 0 12*4882a593Smuzhiyun #define S3C64XX_AC97_GPE 1 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #include <linux/dmaengine.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun extern void s3c64xx_ac97_setup_gpio(int); 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct samsung_i2s_type { 19*4882a593Smuzhiyun /* If the Primary DAI has 5.1 Channels */ 20*4882a593Smuzhiyun #define QUIRK_PRI_6CHAN (1 << 0) 21*4882a593Smuzhiyun /* If the I2S block has a Stereo Overlay Channel */ 22*4882a593Smuzhiyun #define QUIRK_SEC_DAI (1 << 1) 23*4882a593Smuzhiyun /* 24*4882a593Smuzhiyun * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit) 25*4882a593Smuzhiyun * The Machine driver must provide suitably set clock to the I2S block. 26*4882a593Smuzhiyun */ 27*4882a593Smuzhiyun #define QUIRK_NO_MUXPSR (1 << 2) 28*4882a593Smuzhiyun #define QUIRK_NEED_RSTCLR (1 << 3) 29*4882a593Smuzhiyun #define QUIRK_SUPPORTS_TDM (1 << 4) 30*4882a593Smuzhiyun #define QUIRK_SUPPORTS_IDMA (1 << 5) 31*4882a593Smuzhiyun /* Quirks of the I2S controller */ 32*4882a593Smuzhiyun u32 quirks; 33*4882a593Smuzhiyun dma_addr_t idma_addr; 34*4882a593Smuzhiyun }; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun /** 37*4882a593Smuzhiyun * struct s3c_audio_pdata - common platform data for audio device drivers 38*4882a593Smuzhiyun * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode 39*4882a593Smuzhiyun */ 40*4882a593Smuzhiyun struct s3c_audio_pdata { 41*4882a593Smuzhiyun int (*cfg_gpio)(struct platform_device *); 42*4882a593Smuzhiyun dma_filter_fn dma_filter; 43*4882a593Smuzhiyun void *dma_playback; 44*4882a593Smuzhiyun void *dma_capture; 45*4882a593Smuzhiyun void *dma_play_sec; 46*4882a593Smuzhiyun void *dma_capture_mic; 47*4882a593Smuzhiyun struct samsung_i2s_type type; 48*4882a593Smuzhiyun }; 49