1 /* arch/arm/plat-samsung/include/plat/audio.h 2 * 3 * Copyright (c) 2009 Samsung Electronics Co. Ltd 4 * Author: Jaswinder Singh <jassi.brar@samsung.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 11 /* The machine init code calls s3c*_ac97_setup_gpio with 12 * one of these defines in order to select appropriate bank 13 * of GPIO for AC97 pins 14 */ 15 #define S3C64XX_AC97_GPD 0 16 #define S3C64XX_AC97_GPE 1 17 extern void s3c64xx_ac97_setup_gpio(int); 18 19 /* 20 * The machine init code calls s5p*_spdif_setup_gpio with 21 * one of these defines in order to select appropriate bank 22 * of GPIO for S/PDIF pins 23 */ 24 #define S5PC100_SPDIF_GPD 0 25 #define S5PC100_SPDIF_GPG3 1 26 extern void s5pc100_spdif_setup_gpio(int); 27 28 struct samsung_i2s { 29 /* If the Primary DAI has 5.1 Channels */ 30 #define QUIRK_PRI_6CHAN (1 << 0) 31 /* If the I2S block has a Stereo Overlay Channel */ 32 #define QUIRK_SEC_DAI (1 << 1) 33 /* 34 * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit) 35 * The Machine driver must provide suitably set clock to the I2S block. 36 */ 37 #define QUIRK_NO_MUXPSR (1 << 2) 38 #define QUIRK_NEED_RSTCLR (1 << 3) 39 /* Quirks of the I2S controller */ 40 u32 quirks; 41 42 /* 43 * Array of clock names that can be used to generate I2S signals. 44 * Also corresponds to clocks of I2SMOD[10] 45 */ 46 const char **src_clk; 47 dma_addr_t idma_addr; 48 }; 49 50 /** 51 * struct s3c_audio_pdata - common platform data for audio device drivers 52 * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode 53 */ 54 struct s3c_audio_pdata { 55 int (*cfg_gpio)(struct platform_device *); 56 union { 57 struct samsung_i2s i2s; 58 } type; 59 }; 60