85 lines
1.7 KiB
C
85 lines
1.7 KiB
C
/*
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* Renesas R-Car SRU/SCU/SSIU/SSI support
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*
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* Copyright (C) 2013 Renesas Solutions Corp.
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* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef RCAR_SND_H
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#define RCAR_SND_H
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#include <linux/sh_clk.h>
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#define RSND_GEN1_SRU 0
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#define RSND_GEN1_ADG 1
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#define RSND_GEN1_SSI 2
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#define RSND_GEN2_SRU 0
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#define RSND_GEN2_ADG 1
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#define RSND_GEN2_SSIU 2
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#define RSND_GEN2_SSI 3
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#define RSND_BASE_MAX 4
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/*
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* flags
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*
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* 0xAB000000
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*
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* A : clock sharing settings
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* B : SSI direction
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*/
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#define RSND_SSI_CLK_PIN_SHARE (1 << 31)
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#define RSND_SSI_CLK_FROM_ADG (1 << 30) /* clock parent is master */
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#define RSND_SSI_SYNC (1 << 29) /* SSI34_sync etc */
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#define RSND_SSI_DEPENDENT (1 << 28) /* SSI needs SRU/SCU */
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#define RSND_SSI_PLAY (1 << 24)
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#define RSND_SSI_SET(_dai_id, _dma_id, _pio_irq, _flags) \
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{ .dai_id = _dai_id, .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags }
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#define RSND_SSI_UNUSED \
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{ .dai_id = -1, .dma_id = -1, .pio_irq = -1, .flags = 0 }
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struct rsnd_ssi_platform_info {
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int dai_id;
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int dma_id;
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int pio_irq;
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u32 flags;
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};
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/*
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* flags
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*/
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#define RSND_SCU_USE_HPBIF (1 << 31) /* it needs RSND_SSI_DEPENDENT */
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struct rsnd_scu_platform_info {
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u32 flags;
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};
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/*
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* flags
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*
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* 0x0000000A
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*
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* A : generation
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*/
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#define RSND_GEN1 (1 << 0) /* fixme */
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#define RSND_GEN2 (2 << 0) /* fixme */
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struct rcar_snd_info {
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u32 flags;
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struct rsnd_ssi_platform_info *ssi_info;
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int ssi_info_nr;
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struct rsnd_scu_platform_info *scu_info;
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int scu_info_nr;
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int (*start)(int id);
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int (*stop)(int id);
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};
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#endif
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