560 lines
15 KiB
C
560 lines
15 KiB
C
/*
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* Renesas R-Car
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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 RSND_H
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#define RSND_H
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#include <linux/clk.h>
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#include <linux/device.h>
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#include <linux/dma-mapping.h>
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#include <linux/io.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/of_irq.h>
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#include <linux/sh_dma.h>
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#include <linux/workqueue.h>
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#include <sound/rcar_snd.h>
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#include <sound/soc.h>
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#include <sound/pcm_params.h>
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/*
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* pseudo register
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*
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* The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different.
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* This driver uses pseudo register in order to hide it.
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* see gen1/gen2 for detail
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*/
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enum rsnd_reg {
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/* SRU/SCU/SSIU */
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RSND_REG_SSI_MODE0,
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RSND_REG_SSI_MODE1,
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RSND_REG_SRC_BUSIF_MODE,
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RSND_REG_SRC_ROUTE_MODE0,
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RSND_REG_SRC_SWRSR,
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RSND_REG_SRC_SRCIR,
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RSND_REG_SRC_ADINR,
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RSND_REG_SRC_IFSCR,
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RSND_REG_SRC_IFSVR,
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RSND_REG_SRC_SRCCR,
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RSND_REG_SCU_SYS_STATUS0,
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RSND_REG_SCU_SYS_INT_EN0,
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RSND_REG_CMD_ROUTE_SLCT,
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RSND_REG_DVC_SWRSR,
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RSND_REG_DVC_DVUIR,
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RSND_REG_DVC_ADINR,
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RSND_REG_DVC_DVUCR,
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RSND_REG_DVC_ZCMCR,
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RSND_REG_DVC_VOL0R,
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RSND_REG_DVC_VOL1R,
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RSND_REG_DVC_DVUER,
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/* ADG */
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RSND_REG_BRRA,
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RSND_REG_BRRB,
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RSND_REG_SSICKR,
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RSND_REG_AUDIO_CLK_SEL0,
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RSND_REG_AUDIO_CLK_SEL1,
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/* SSI */
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RSND_REG_SSICR,
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RSND_REG_SSISR,
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RSND_REG_SSITDR,
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RSND_REG_SSIRDR,
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RSND_REG_SSIWSR,
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/* SHARE see below */
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RSND_REG_SHARE01,
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RSND_REG_SHARE02,
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RSND_REG_SHARE03,
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RSND_REG_SHARE04,
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RSND_REG_SHARE05,
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RSND_REG_SHARE06,
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RSND_REG_SHARE07,
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RSND_REG_SHARE08,
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RSND_REG_SHARE09,
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RSND_REG_SHARE10,
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RSND_REG_SHARE11,
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RSND_REG_SHARE12,
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RSND_REG_SHARE13,
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RSND_REG_SHARE14,
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RSND_REG_SHARE15,
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RSND_REG_SHARE16,
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RSND_REG_SHARE17,
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RSND_REG_SHARE18,
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RSND_REG_SHARE19,
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RSND_REG_SHARE20,
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RSND_REG_SHARE21,
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RSND_REG_SHARE22,
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RSND_REG_SHARE23,
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RSND_REG_SHARE24,
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RSND_REG_SHARE25,
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RSND_REG_SHARE26,
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RSND_REG_SHARE27,
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RSND_REG_SHARE28,
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RSND_REG_MAX,
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};
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/* Gen1 only */
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#define RSND_REG_SRC_ROUTE_SEL RSND_REG_SHARE01
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#define RSND_REG_SRC_TMG_SEL0 RSND_REG_SHARE02
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#define RSND_REG_SRC_TMG_SEL1 RSND_REG_SHARE03
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#define RSND_REG_SRC_TMG_SEL2 RSND_REG_SHARE04
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#define RSND_REG_SRC_ROUTE_CTRL RSND_REG_SHARE05
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#define RSND_REG_SRC_MNFSR RSND_REG_SHARE06
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#define RSND_REG_AUDIO_CLK_SEL3 RSND_REG_SHARE07
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#define RSND_REG_AUDIO_CLK_SEL4 RSND_REG_SHARE08
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#define RSND_REG_AUDIO_CLK_SEL5 RSND_REG_SHARE09
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/* Gen2 only */
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#define RSND_REG_SRC_CTRL RSND_REG_SHARE01
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#define RSND_REG_SSI_CTRL RSND_REG_SHARE02
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#define RSND_REG_SSI_BUSIF_MODE RSND_REG_SHARE03
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#define RSND_REG_SSI_BUSIF_ADINR RSND_REG_SHARE04
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#define RSND_REG_INT_ENABLE RSND_REG_SHARE05
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#define RSND_REG_SRC_BSDSR RSND_REG_SHARE06
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#define RSND_REG_SRC_BSISR RSND_REG_SHARE07
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#define RSND_REG_DIV_EN RSND_REG_SHARE08
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#define RSND_REG_SRCIN_TIMSEL0 RSND_REG_SHARE09
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#define RSND_REG_SRCIN_TIMSEL1 RSND_REG_SHARE10
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#define RSND_REG_SRCIN_TIMSEL2 RSND_REG_SHARE11
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#define RSND_REG_SRCIN_TIMSEL3 RSND_REG_SHARE12
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#define RSND_REG_SRCIN_TIMSEL4 RSND_REG_SHARE13
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#define RSND_REG_SRCOUT_TIMSEL0 RSND_REG_SHARE14
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#define RSND_REG_SRCOUT_TIMSEL1 RSND_REG_SHARE15
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#define RSND_REG_SRCOUT_TIMSEL2 RSND_REG_SHARE16
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#define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17
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#define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18
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#define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19
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#define RSND_REG_CMD_CTRL RSND_REG_SHARE20
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#define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21
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#define RSND_REG_BUSIF_DALIGN RSND_REG_SHARE22
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#define RSND_REG_DVC_VRCTR RSND_REG_SHARE23
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#define RSND_REG_DVC_VRPDR RSND_REG_SHARE24
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#define RSND_REG_DVC_VRDBR RSND_REG_SHARE25
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#define RSND_REG_SCU_SYS_STATUS1 RSND_REG_SHARE26
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#define RSND_REG_SCU_SYS_INT_EN1 RSND_REG_SHARE27
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#define RSND_REG_SRC_INT_ENABLE0 RSND_REG_SHARE28
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struct rsnd_of_data;
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struct rsnd_priv;
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struct rsnd_mod;
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struct rsnd_dai;
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struct rsnd_dai_stream;
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/*
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* R-Car basic functions
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*/
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#define rsnd_mod_read(m, r) \
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rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
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#define rsnd_mod_write(m, r, d) \
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rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
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#define rsnd_mod_bset(m, r, s, d) \
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rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
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u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg);
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void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
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enum rsnd_reg reg, u32 data);
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void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
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u32 mask, u32 data);
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u32 rsnd_get_adinr(struct rsnd_mod *mod);
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/*
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* R-Car DMA
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*/
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struct rsnd_dma;
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struct rsnd_dma_ops {
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void (*start)(struct rsnd_dma *dma);
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void (*stop)(struct rsnd_dma *dma);
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int (*init)(struct rsnd_priv *priv, struct rsnd_dma *dma, int id,
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struct rsnd_mod *mod_from, struct rsnd_mod *mod_to);
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void (*quit)(struct rsnd_dma *dma);
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};
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struct rsnd_dmaen {
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struct dma_chan *chan;
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};
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struct rsnd_dmapp {
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int dmapp_id;
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u32 chcr;
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};
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struct rsnd_dma {
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struct rsnd_dma_ops *ops;
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dma_addr_t src_addr;
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dma_addr_t dst_addr;
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union {
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struct rsnd_dmaen en;
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struct rsnd_dmapp pp;
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} dma;
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};
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#define rsnd_dma_to_dmaen(dma) (&(dma)->dma.en)
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#define rsnd_dma_to_dmapp(dma) (&(dma)->dma.pp)
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void rsnd_dma_start(struct rsnd_dma *dma);
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void rsnd_dma_stop(struct rsnd_dma *dma);
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int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int id);
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void rsnd_dma_quit(struct rsnd_dma *dma);
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int rsnd_dma_probe(struct platform_device *pdev,
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const struct rsnd_of_data *of_data,
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struct rsnd_priv *priv);
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struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
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struct rsnd_mod *mod, char *name);
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#define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
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/*
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* R-Car sound mod
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*/
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enum rsnd_mod_type {
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RSND_MOD_DVC = 0,
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RSND_MOD_SRC,
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RSND_MOD_SSI,
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RSND_MOD_MAX,
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};
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struct rsnd_mod_ops {
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char *name;
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struct dma_chan* (*dma_req)(struct rsnd_mod *mod);
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int (*probe)(struct rsnd_mod *mod,
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struct rsnd_priv *priv);
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int (*remove)(struct rsnd_mod *mod,
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struct rsnd_priv *priv);
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int (*init)(struct rsnd_mod *mod,
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struct rsnd_priv *priv);
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int (*quit)(struct rsnd_mod *mod,
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struct rsnd_priv *priv);
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int (*start)(struct rsnd_mod *mod,
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struct rsnd_priv *priv);
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int (*stop)(struct rsnd_mod *mod,
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struct rsnd_priv *priv);
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int (*pcm_new)(struct rsnd_mod *mod,
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struct snd_soc_pcm_runtime *rtd);
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int (*hw_params)(struct rsnd_mod *mod,
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struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *hw_params);
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int (*fallback)(struct rsnd_mod *mod,
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struct rsnd_priv *priv);
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};
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struct rsnd_dai_stream;
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struct rsnd_mod {
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int id;
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enum rsnd_mod_type type;
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struct rsnd_mod_ops *ops;
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struct rsnd_dma dma;
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struct rsnd_dai_stream *io;
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struct clk *clk;
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u32 status;
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};
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/*
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* status
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*
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* 0xH0000CBA
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*
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* A 0: probe 1: remove
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* B 0: init 1: quit
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* C 0: start 1: stop
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*
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* H is always called (see __rsnd_mod_call)
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* H 0: pcm_new
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* H 0: fallback
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* H 0: hw_params
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*/
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#define __rsnd_mod_shift_probe 0
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#define __rsnd_mod_shift_remove 0
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#define __rsnd_mod_shift_init 4
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#define __rsnd_mod_shift_quit 4
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#define __rsnd_mod_shift_start 8
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#define __rsnd_mod_shift_stop 8
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#define __rsnd_mod_shift_pcm_new 28 /* always called */
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#define __rsnd_mod_shift_fallback 28 /* always called */
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#define __rsnd_mod_shift_hw_params 28 /* always called */
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#define __rsnd_mod_add_probe 1
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#define __rsnd_mod_add_remove -1
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#define __rsnd_mod_add_init 1
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#define __rsnd_mod_add_quit -1
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#define __rsnd_mod_add_start 1
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#define __rsnd_mod_add_stop -1
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#define __rsnd_mod_add_pcm_new 0
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#define __rsnd_mod_add_fallback 0
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#define __rsnd_mod_add_hw_params 0
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#define __rsnd_mod_call_probe 0
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#define __rsnd_mod_call_remove 1
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#define __rsnd_mod_call_init 0
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#define __rsnd_mod_call_quit 1
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#define __rsnd_mod_call_start 0
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#define __rsnd_mod_call_stop 1
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#define __rsnd_mod_call_pcm_new 0
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#define __rsnd_mod_call_fallback 0
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#define __rsnd_mod_call_hw_params 0
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#define rsnd_mod_to_priv(mod) (rsnd_io_to_priv(rsnd_mod_to_io(mod)))
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#define rsnd_mod_to_dma(mod) (&(mod)->dma)
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#define rsnd_mod_to_io(mod) ((mod)->io)
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#define rsnd_mod_id(mod) ((mod)->id)
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#define rsnd_mod_hw_start(mod) clk_enable((mod)->clk)
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#define rsnd_mod_hw_stop(mod) clk_disable((mod)->clk)
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int rsnd_mod_init(struct rsnd_mod *mod,
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struct rsnd_mod_ops *ops,
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struct clk *clk,
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enum rsnd_mod_type type,
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int id);
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void rsnd_mod_quit(struct rsnd_mod *mod);
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char *rsnd_mod_name(struct rsnd_mod *mod);
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int rsnd_mod_is_working(struct rsnd_mod *mod);
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struct dma_chan *rsnd_mod_dma_req(struct rsnd_mod *mod);
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/*
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* R-Car sound DAI
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*/
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#define RSND_DAI_NAME_SIZE 16
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struct rsnd_dai_stream {
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char name[RSND_DAI_NAME_SIZE];
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struct snd_pcm_substream *substream;
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struct rsnd_mod *mod[RSND_MOD_MAX];
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struct rsnd_dai_path_info *info; /* rcar_snd.h */
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struct rsnd_dai *rdai;
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int byte_pos;
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int period_pos;
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int byte_per_period;
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int next_period_byte;
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};
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#define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
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#define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
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#define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])
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#define rsnd_io_to_rdai(io) ((io)->rdai)
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#define rsnd_io_to_priv(io) (rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
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#define rsnd_io_is_play(io) (&rsnd_io_to_rdai(io)->playback == io)
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#define rsnd_io_to_runtime(io) ((io)->substream ? \
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(io)->substream->runtime : NULL)
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struct rsnd_dai {
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char name[RSND_DAI_NAME_SIZE];
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struct rsnd_dai_stream playback;
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struct rsnd_dai_stream capture;
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struct rsnd_priv *priv;
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unsigned int clk_master:1;
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unsigned int bit_clk_inv:1;
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unsigned int frm_clk_inv:1;
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unsigned int sys_delay:1;
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unsigned int data_alignment:1;
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};
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#define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
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#define rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
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#define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
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#define for_each_rsnd_dai(rdai, priv, i) \
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for (i = 0; \
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(i < rsnd_rdai_nr(priv)) && \
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((rdai) = rsnd_rdai_get(priv, i)); \
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i++)
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struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);
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bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
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void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io);
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int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
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/*
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* R-Car Gen1/Gen2
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*/
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int rsnd_gen_probe(struct platform_device *pdev,
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const struct rsnd_of_data *of_data,
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struct rsnd_priv *priv);
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void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
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struct rsnd_mod *mod,
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enum rsnd_reg reg);
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phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
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#define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
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#define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
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/*
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* R-Car ADG
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*/
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int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
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int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
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int rsnd_adg_probe(struct platform_device *pdev,
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const struct rsnd_of_data *of_data,
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struct rsnd_priv *priv);
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int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
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struct rsnd_mod *mod,
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unsigned int src_rate,
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unsigned int dst_rate);
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int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io,
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unsigned int src_rate,
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unsigned int dst_rate);
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int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io);
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int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *mod,
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struct rsnd_dai_stream *io);
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/*
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* R-Car sound priv
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*/
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struct rsnd_of_data {
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u32 flags;
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};
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struct rsnd_priv {
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struct platform_device *pdev;
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struct rcar_snd_info *info;
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spinlock_t lock;
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/*
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* below value will be filled on rsnd_gen_probe()
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*/
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void *gen;
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/*
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* below value will be filled on rsnd_src_probe()
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*/
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void *src;
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int src_nr;
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/*
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* below value will be filled on rsnd_adg_probe()
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*/
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void *adg;
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/*
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* below value will be filled on rsnd_dma_probe()
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*/
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void *dma;
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/*
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* below value will be filled on rsnd_ssi_probe()
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*/
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void *ssi;
|
|
int ssi_nr;
|
|
|
|
/*
|
|
* below value will be filled on rsnd_dvc_probe()
|
|
*/
|
|
void *dvc;
|
|
int dvc_nr;
|
|
|
|
/*
|
|
* below value will be filled on rsnd_dai_probe()
|
|
*/
|
|
struct snd_soc_dai_driver *daidrv;
|
|
struct rsnd_dai *rdai;
|
|
int rdai_nr;
|
|
};
|
|
|
|
#define rsnd_priv_to_pdev(priv) ((priv)->pdev)
|
|
#define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev))
|
|
#define rsnd_priv_to_info(priv) ((priv)->info)
|
|
|
|
/*
|
|
* rsnd_kctrl
|
|
*/
|
|
struct rsnd_kctrl_cfg {
|
|
unsigned int max;
|
|
unsigned int size;
|
|
u32 *val;
|
|
const char * const *texts;
|
|
void (*update)(struct rsnd_mod *mod);
|
|
struct snd_card *card;
|
|
struct snd_kcontrol *kctrl;
|
|
};
|
|
|
|
#define RSND_DVC_CHANNELS 2
|
|
struct rsnd_kctrl_cfg_m {
|
|
struct rsnd_kctrl_cfg cfg;
|
|
u32 val[RSND_DVC_CHANNELS];
|
|
};
|
|
|
|
struct rsnd_kctrl_cfg_s {
|
|
struct rsnd_kctrl_cfg cfg;
|
|
u32 val;
|
|
};
|
|
|
|
void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg);
|
|
#define rsnd_kctrl_remove(_cfg) _rsnd_kctrl_remove(&((_cfg).cfg))
|
|
|
|
int rsnd_kctrl_new_m(struct rsnd_mod *mod,
|
|
struct snd_soc_pcm_runtime *rtd,
|
|
const unsigned char *name,
|
|
void (*update)(struct rsnd_mod *mod),
|
|
struct rsnd_kctrl_cfg_m *_cfg,
|
|
u32 max);
|
|
int rsnd_kctrl_new_s(struct rsnd_mod *mod,
|
|
struct snd_soc_pcm_runtime *rtd,
|
|
const unsigned char *name,
|
|
void (*update)(struct rsnd_mod *mod),
|
|
struct rsnd_kctrl_cfg_s *_cfg,
|
|
u32 max);
|
|
int rsnd_kctrl_new_e(struct rsnd_mod *mod,
|
|
struct snd_soc_pcm_runtime *rtd,
|
|
const unsigned char *name,
|
|
struct rsnd_kctrl_cfg_s *_cfg,
|
|
void (*update)(struct rsnd_mod *mod),
|
|
const char * const *texts,
|
|
u32 max);
|
|
|
|
/*
|
|
* R-Car SRC
|
|
*/
|
|
int rsnd_src_probe(struct platform_device *pdev,
|
|
const struct rsnd_of_data *of_data,
|
|
struct rsnd_priv *priv);
|
|
void rsnd_src_remove(struct platform_device *pdev,
|
|
struct rsnd_priv *priv);
|
|
struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
|
|
unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
|
|
struct rsnd_dai_stream *io,
|
|
struct snd_pcm_runtime *runtime);
|
|
int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
|
|
int use_busif);
|
|
int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod);
|
|
int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod);
|
|
int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod);
|
|
|
|
#define rsnd_src_nr(priv) ((priv)->src_nr)
|
|
|
|
/*
|
|
* R-Car SSI
|
|
*/
|
|
int rsnd_ssi_probe(struct platform_device *pdev,
|
|
const struct rsnd_of_data *of_data,
|
|
struct rsnd_priv *priv);
|
|
void rsnd_ssi_remove(struct platform_device *pdev,
|
|
struct rsnd_priv *priv);
|
|
struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
|
|
int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
|
|
int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
|
|
int rsnd_ssi_use_busif(struct rsnd_mod *mod);
|
|
|
|
/*
|
|
* R-Car DVC
|
|
*/
|
|
int rsnd_dvc_probe(struct platform_device *pdev,
|
|
const struct rsnd_of_data *of_data,
|
|
struct rsnd_priv *priv);
|
|
void rsnd_dvc_remove(struct platform_device *pdev,
|
|
struct rsnd_priv *priv);
|
|
struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
|
|
|
|
#define rsnd_dvc_nr(priv) ((priv)->dvc_nr)
|
|
|
|
|
|
#endif
|