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-rw-r--r--sound/soc/sh/rcar/rsnd.h423
1 files changed, 423 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
new file mode 100644
index 00000000000..39d98af5ee0
--- /dev/null
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -0,0 +1,423 @@
+/*
+ * Renesas R-Car
+ *
+ * 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 RSND_H
+#define RSND_H
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/io.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/sh_dma.h>
+#include <linux/workqueue.h>
+#include <sound/rcar_snd.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+/*
+ * pseudo register
+ *
+ * The register address offsets SRU/SCU/SSIU on Gen1/Gen2 are very different.
+ * This driver uses pseudo register in order to hide it.
+ * see gen1/gen2 for detail
+ */
+enum rsnd_reg {
+ /* SRU/SCU/SSIU */
+ RSND_REG_SSI_MODE0,
+ RSND_REG_SSI_MODE1,
+ RSND_REG_SRC_BUSIF_MODE,
+ RSND_REG_SRC_ROUTE_MODE0,
+ RSND_REG_SRC_SWRSR,
+ RSND_REG_SRC_SRCIR,
+ RSND_REG_SRC_ADINR,
+ RSND_REG_SRC_IFSCR,
+ RSND_REG_SRC_IFSVR,
+ RSND_REG_SRC_SRCCR,
+ RSND_REG_CMD_ROUTE_SLCT,
+ RSND_REG_DVC_SWRSR,
+ RSND_REG_DVC_DVUIR,
+ RSND_REG_DVC_ADINR,
+ RSND_REG_DVC_DVUCR,
+ RSND_REG_DVC_ZCMCR,
+ RSND_REG_DVC_VOL0R,
+ RSND_REG_DVC_VOL1R,
+ RSND_REG_DVC_DVUER,
+
+ /* ADG */
+ RSND_REG_BRRA,
+ RSND_REG_BRRB,
+ RSND_REG_SSICKR,
+ RSND_REG_AUDIO_CLK_SEL0,
+ RSND_REG_AUDIO_CLK_SEL1,
+
+ /* SSI */
+ RSND_REG_SSICR,
+ RSND_REG_SSISR,
+ RSND_REG_SSITDR,
+ RSND_REG_SSIRDR,
+ RSND_REG_SSIWSR,
+
+ /* SHARE see below */
+ RSND_REG_SHARE01,
+ RSND_REG_SHARE02,
+ RSND_REG_SHARE03,
+ RSND_REG_SHARE04,
+ RSND_REG_SHARE05,
+ RSND_REG_SHARE06,
+ RSND_REG_SHARE07,
+ RSND_REG_SHARE08,
+ RSND_REG_SHARE09,
+ RSND_REG_SHARE10,
+ RSND_REG_SHARE11,
+ RSND_REG_SHARE12,
+ RSND_REG_SHARE13,
+ RSND_REG_SHARE14,
+ RSND_REG_SHARE15,
+ RSND_REG_SHARE16,
+ RSND_REG_SHARE17,
+ RSND_REG_SHARE18,
+ RSND_REG_SHARE19,
+ RSND_REG_SHARE20,
+ RSND_REG_SHARE21,
+
+ RSND_REG_MAX,
+};
+
+/* Gen1 only */
+#define RSND_REG_SRC_ROUTE_SEL RSND_REG_SHARE01
+#define RSND_REG_SRC_TMG_SEL0 RSND_REG_SHARE02
+#define RSND_REG_SRC_TMG_SEL1 RSND_REG_SHARE03
+#define RSND_REG_SRC_TMG_SEL2 RSND_REG_SHARE04
+#define RSND_REG_SRC_ROUTE_CTRL RSND_REG_SHARE05
+#define RSND_REG_SRC_MNFSR RSND_REG_SHARE06
+#define RSND_REG_AUDIO_CLK_SEL3 RSND_REG_SHARE07
+#define RSND_REG_AUDIO_CLK_SEL4 RSND_REG_SHARE08
+#define RSND_REG_AUDIO_CLK_SEL5 RSND_REG_SHARE09
+
+/* Gen2 only */
+#define RSND_REG_SRC_CTRL RSND_REG_SHARE01
+#define RSND_REG_SSI_CTRL RSND_REG_SHARE02
+#define RSND_REG_SSI_BUSIF_MODE RSND_REG_SHARE03
+#define RSND_REG_SSI_BUSIF_ADINR RSND_REG_SHARE04
+#define RSND_REG_INT_ENABLE RSND_REG_SHARE05
+#define RSND_REG_SRC_BSDSR RSND_REG_SHARE06
+#define RSND_REG_SRC_BSISR RSND_REG_SHARE07
+#define RSND_REG_DIV_EN RSND_REG_SHARE08
+#define RSND_REG_SRCIN_TIMSEL0 RSND_REG_SHARE09
+#define RSND_REG_SRCIN_TIMSEL1 RSND_REG_SHARE10
+#define RSND_REG_SRCIN_TIMSEL2 RSND_REG_SHARE11
+#define RSND_REG_SRCIN_TIMSEL3 RSND_REG_SHARE12
+#define RSND_REG_SRCIN_TIMSEL4 RSND_REG_SHARE13
+#define RSND_REG_SRCOUT_TIMSEL0 RSND_REG_SHARE14
+#define RSND_REG_SRCOUT_TIMSEL1 RSND_REG_SHARE15
+#define RSND_REG_SRCOUT_TIMSEL2 RSND_REG_SHARE16
+#define RSND_REG_SRCOUT_TIMSEL3 RSND_REG_SHARE17
+#define RSND_REG_SRCOUT_TIMSEL4 RSND_REG_SHARE18
+#define RSND_REG_AUDIO_CLK_SEL2 RSND_REG_SHARE19
+#define RSND_REG_CMD_CTRL RSND_REG_SHARE20
+#define RSND_REG_CMDOUT_TIMSEL RSND_REG_SHARE21
+
+struct rsnd_of_data;
+struct rsnd_priv;
+struct rsnd_mod;
+struct rsnd_dai;
+struct rsnd_dai_stream;
+
+/*
+ * R-Car basic functions
+ */
+#define rsnd_mod_read(m, r) \
+ rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
+#define rsnd_mod_write(m, r, d) \
+ rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
+#define rsnd_mod_bset(m, r, s, d) \
+ rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
+
+u32 rsnd_read(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg);
+void rsnd_write(struct rsnd_priv *priv, struct rsnd_mod *mod,
+ enum rsnd_reg reg, u32 data);
+void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg,
+ u32 mask, u32 data);
+u32 rsnd_get_adinr(struct rsnd_mod *mod);
+
+/*
+ * R-Car DMA
+ */
+struct rsnd_dma {
+ struct sh_dmae_slave slave;
+ struct work_struct work;
+ struct dma_chan *chan;
+ enum dma_data_direction dir;
+
+ int submit_loop;
+ int offset; /* it cares A/B plane */
+};
+
+void rsnd_dma_start(struct rsnd_dma *dma);
+void rsnd_dma_stop(struct rsnd_dma *dma);
+int rsnd_dma_available(struct rsnd_dma *dma);
+int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
+ int is_play, int id);
+void rsnd_dma_quit(struct rsnd_priv *priv,
+ struct rsnd_dma *dma);
+
+
+/*
+ * R-Car sound mod
+ */
+enum rsnd_mod_type {
+ RSND_MOD_SRC = 0,
+ RSND_MOD_SSI,
+ RSND_MOD_DVC,
+ RSND_MOD_MAX,
+};
+
+struct rsnd_mod_ops {
+ char *name;
+ int (*probe)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*remove)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*init)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*quit)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*start)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*stop)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai);
+ int (*pcm_new)(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct snd_soc_pcm_runtime *rtd);
+};
+
+struct rsnd_dai_stream;
+struct rsnd_mod {
+ int id;
+ enum rsnd_mod_type type;
+ struct rsnd_priv *priv;
+ struct rsnd_mod_ops *ops;
+ struct rsnd_dma dma;
+ struct rsnd_dai_stream *io;
+};
+
+#define rsnd_mod_to_priv(mod) ((mod)->priv)
+#define rsnd_mod_to_dma(mod) (&(mod)->dma)
+#define rsnd_dma_to_mod(_dma) container_of((_dma), struct rsnd_mod, dma)
+#define rsnd_mod_to_io(mod) ((mod)->io)
+#define rsnd_mod_id(mod) ((mod)->id)
+
+void rsnd_mod_init(struct rsnd_priv *priv,
+ struct rsnd_mod *mod,
+ struct rsnd_mod_ops *ops,
+ enum rsnd_mod_type type,
+ int id);
+char *rsnd_mod_name(struct rsnd_mod *mod);
+
+/*
+ * R-Car sound DAI
+ */
+#define RSND_DAI_NAME_SIZE 16
+struct rsnd_dai_stream {
+ struct snd_pcm_substream *substream;
+ struct rsnd_mod *mod[RSND_MOD_MAX];
+ struct rsnd_dai_path_info *info; /* rcar_snd.h */
+ int byte_pos;
+ int period_pos;
+ int byte_per_period;
+ int next_period_byte;
+};
+#define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
+#define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
+#define rsnd_io_to_mod_dvc(io) ((io)->mod[RSND_MOD_DVC])
+
+struct rsnd_dai {
+ char name[RSND_DAI_NAME_SIZE];
+ struct rsnd_dai_platform_info *info; /* rcar_snd.h */
+ struct rsnd_dai_stream playback;
+ struct rsnd_dai_stream capture;
+
+ unsigned int clk_master:1;
+ unsigned int bit_clk_inv:1;
+ unsigned int frm_clk_inv:1;
+ unsigned int sys_delay:1;
+ unsigned int data_alignment:1;
+};
+
+#define rsnd_rdai_nr(priv) ((priv)->rdai_nr)
+#define for_each_rsnd_dai(rdai, priv, i) \
+ for (i = 0; \
+ (i < rsnd_rdai_nr(priv)) && \
+ ((rdai) = rsnd_dai_get(priv, i)); \
+ i++)
+
+struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id);
+int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io);
+int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai);
+#define rsnd_dai_get_platform_info(rdai) ((rdai)->info)
+#define rsnd_io_to_runtime(io) ((io)->substream->runtime)
+
+void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int cnt);
+int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional);
+#define rsnd_dai_is_clk_master(rdai) ((rdai)->clk_master)
+
+/*
+ * R-Car Gen1/Gen2
+ */
+int rsnd_gen_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv);
+void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
+ struct rsnd_mod *mod,
+ enum rsnd_reg reg);
+void rsnd_gen_dma_addr(struct rsnd_priv *priv,
+ struct rsnd_dma *dma,
+ struct dma_slave_config *cfg,
+ int is_play, int slave_id);
+
+#define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
+#define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
+
+/*
+ * R-Car ADG
+ */
+int rsnd_adg_ssi_clk_stop(struct rsnd_mod *mod);
+int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *mod, unsigned int rate);
+int rsnd_adg_probe(struct platform_device *pdev,
+ const struct rsnd_of_data *of_data,
+ struct rsnd_priv *priv);
+int rsnd_adg_set_convert_clk_gen1(struct rsnd_priv *priv,
+ struct rsnd_mod *mod,
+ unsigned int src_rate,
+ unsigned int dst_rate);
+int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io,
+ unsigned int src_rate,
+ unsigned int dst_rate);
+int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io);
+int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_dai *rdai,
+ struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io);
+
+/*
+ * R-Car sound priv
+ */
+struct rsnd_of_data {
+ u32 flags;
+};
+
+struct rsnd_priv {
+
+ struct platform_device *pdev;
+ struct rcar_snd_info *info;
+ spinlock_t lock;
+
+ /*
+ * below value will be filled on rsnd_gen_probe()
+ */
+ void *gen;
+
+ /*
+ * 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_ssi_mode_init(struct rsnd_mod *ssi_mod,
+ struct rsnd_dai *rdai);
+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
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