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kernel add
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/*
* Renesas R-Car SRU/SCU/SSIU/SSI support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef RCAR_SND_H
#define RCAR_SND_H
#define RSND_GEN1_SRU 0
#define RSND_GEN1_ADG 1
#define RSND_GEN1_SSI 2
#define RSND_GEN2_SCU 0
#define RSND_GEN2_ADG 1
#define RSND_GEN2_SSIU 2
#define RSND_GEN2_SSI 3
#define RSND_BASE_MAX 4
/*
* flags
*
* 0xAB000000
*
* A : clock sharing settings
* B : SSI direction
*/
#define RSND_SSI_CLK_PIN_SHARE (1 << 31)
#define RSND_SSI_NO_BUSIF (1 << 30) /* SSI+DMA without BUSIF */
#define RSND_SSI(_dma_id, _irq, _flags) \
{ .dma_id = _dma_id, .irq = _irq, .flags = _flags }
#define RSND_SSI_UNUSED \
{ .dma_id = -1, .irq = -1, .flags = 0 }
struct rsnd_ssi_platform_info {
int dma_id;
int irq;
u32 flags;
};
#define RSND_SRC(rate, _dma_id) \
{ .convert_rate = rate, .dma_id = _dma_id, }
#define RSND_SRC_UNUSED \
{ .convert_rate = 0, .dma_id = -1, }
struct rsnd_src_platform_info {
u32 convert_rate; /* sampling rate convert */
int dma_id; /* for Gen2 SCU */
int irq;
};
/*
* flags
*/
struct rsnd_ctu_platform_info {
u32 flags;
};
struct rsnd_mix_platform_info {
u32 flags;
};
struct rsnd_dvc_platform_info {
u32 flags;
};
struct rsnd_dai_path_info {
struct rsnd_ssi_platform_info *ssi;
struct rsnd_src_platform_info *src;
struct rsnd_ctu_platform_info *ctu;
struct rsnd_mix_platform_info *mix;
struct rsnd_dvc_platform_info *dvc;
};
struct rsnd_dai_platform_info {
struct rsnd_dai_path_info playback;
struct rsnd_dai_path_info capture;
};
/*
* flags
*
* 0x0000000A
*
* A : generation
*/
#define RSND_GEN_MASK (0xF << 0)
#define RSND_GEN1 (1 << 0) /* fixme */
#define RSND_GEN2 (2 << 0) /* fixme */
struct rcar_snd_info {
u32 flags;
struct rsnd_ssi_platform_info *ssi_info;
int ssi_info_nr;
struct rsnd_src_platform_info *src_info;
int src_info_nr;
struct rsnd_ctu_platform_info *ctu_info;
int ctu_info_nr;
struct rsnd_mix_platform_info *mix_info;
int mix_info_nr;
struct rsnd_dvc_platform_info *dvc_info;
int dvc_info_nr;
struct rsnd_dai_platform_info *dai_info;
int dai_info_nr;
int (*start)(int id);
int (*stop)(int id);
};
#endif
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