/*
* Renesas R-Car SRU/SCU/SSIU/SSI support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Kuninori Morimoto <[email protected]>
*
* 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

#include <linux/sh_clk.h>

#define RSND_GEN1_SRU 0
#define RSND_GEN1_ADG 1
#define RSND_GEN1_SSI 2

#define RSND_GEN2_SRU 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_CLK_FROM_ADG (1 << 30) /* clock parent is master */
#define RSND_SSI_SYNC (1 << 29) /* SSI34_sync etc */

#define RSND_SSI_PLAY (1 << 24)

#define RSND_SSI_SET(_dai_id, _dma_id, _pio_irq, _flags) \
{ .dai_id = _dai_id, .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags }
#define RSND_SSI_UNUSED \
{ .dai_id = -1, .dma_id = -1, .pio_irq = -1, .flags = 0 }

struct rsnd_ssi_platform_info {
int dai_id;
int dma_id;
int pio_irq;
u32 flags;
};

/*
* flags
*/
#define RSND_SCU_USE_HPBIF (1 << 31) /* it needs RSND_SSI_DEPENDENT */

struct rsnd_scu_platform_info {
u32 flags;
};

/*
* 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_scu_platform_info *scu_info;
int scu_info_nr;
int (*start)(int id);
int (*stop)(int id);
};

#endif