428 lines
11 KiB
C
428 lines
11 KiB
C
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/*
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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_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_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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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 sh_dmae_slave slave;
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struct dma_chan *chan;
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enum dma_transfer_direction dir;
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dma_addr_t addr;
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};
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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_available(struct rsnd_dma *dma);
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int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
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int is_play, int id);
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void rsnd_dma_quit(struct rsnd_priv *priv,
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struct rsnd_dma *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_SRC = 0,
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RSND_MOD_SSI,
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RSND_MOD_DVC,
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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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char* (*dma_name)(struct rsnd_mod *mod);
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int (*probe)(struct rsnd_mod *mod,
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struct rsnd_dai *rdai);
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int (*remove)(struct rsnd_mod *mod,
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struct rsnd_dai *rdai);
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int (*init)(struct rsnd_mod *mod,
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struct rsnd_dai *rdai);
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int (*quit)(struct rsnd_mod *mod,
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struct rsnd_dai *rdai);
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int (*start)(struct rsnd_mod *mod,
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struct rsnd_dai *rdai);
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int (*stop)(struct rsnd_mod *mod,
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struct rsnd_dai *rdai);
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int (*pcm_new)(struct rsnd_mod *mod,
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struct rsnd_dai *rdai,
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struct snd_soc_pcm_runtime *rtd);
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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_priv *priv;
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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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};
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#define rsnd_mod_to_priv(mod) ((mod)->priv)
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#define rsnd_mod_to_dma(mod) (&(mod)->dma)
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#define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_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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void rsnd_mod_init(struct rsnd_priv *priv,
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struct rsnd_mod *mod,
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struct rsnd_mod_ops *ops,
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enum rsnd_mod_type type,
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int id);
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char *rsnd_mod_name(struct rsnd_mod *mod);
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char *rsnd_mod_dma_name(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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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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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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struct rsnd_dai {
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char name[RSND_DAI_NAME_SIZE];
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struct rsnd_dai_platform_info *info; /* rcar_snd.h */
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struct rsnd_dai_stream playback;
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struct rsnd_dai_stream capture;
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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 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_dai_get(priv, i)); \
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i++)
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struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id);
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int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io);
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int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai);
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#define rsnd_dai_get_platform_info(rdai) ((rdai)->info)
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#define rsnd_io_to_runtime(io) ((io)->substream->runtime)
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void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
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int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
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#define rsnd_dai_is_clk_master(rdai) ((rdai)->clk_master)
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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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dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
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struct rsnd_mod *mod,
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int is_play, int is_from);
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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 *rdai,
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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 *rdai,
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struct rsnd_dai_stream *io);
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int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
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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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|
||
|
|
/*
|
||
|
|
* below value will be filled on rsnd_src_probe()
|
||
|
|
*/
|
||
|
|
void *src;
|
||
|
|
int src_nr;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* below value will be filled on rsnd_adg_probe()
|
||
|
|
*/
|
||
|
|
void *adg;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* below value will be filled on rsnd_ssi_probe()
|
||
|
|
*/
|
||
|
|
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)
|
||
|
|
#define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
|
||
|
|
#define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
|
||
|
|
|
||
|
|
#define rsnd_info_is_playback(priv, type) \
|
||
|
|
({ \
|
||
|
|
struct rcar_snd_info *info = rsnd_priv_to_info(priv); \
|
||
|
|
int i, is_play = 0; \
|
||
|
|
for (i = 0; i < info->dai_info_nr; i++) { \
|
||
|
|
if (info->dai_info[i].playback.type == (type)->info) { \
|
||
|
|
is_play = 1; \
|
||
|
|
break; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
is_play; \
|
||
|
|
})
|
||
|
|
|
||
|
|
/*
|
||
|
|
* R-Car SRC
|
||
|
|
*/
|
||
|
|
int rsnd_src_probe(struct platform_device *pdev,
|
||
|
|
const struct rsnd_of_data *of_data,
|
||
|
|
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,
|
||
|
|
struct rsnd_dai *rdai,
|
||
|
|
int use_busif);
|
||
|
|
int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod,
|
||
|
|
struct rsnd_dai *rdai,
|
||
|
|
int use_busif);
|
||
|
|
int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
|
||
|
|
struct rsnd_dai *rdai);
|
||
|
|
|
||
|
|
#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);
|
||
|
|
struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
|
||
|
|
int rsnd_ssi_is_pin_sharing(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
|