root/sound/soc/renesas/rcar/rsnd.h
// SPDX-License-Identifier: GPL-2.0
//
// Renesas R-Car
//
// Copyright (C) 2013 Renesas Solutions Corp.
// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

#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.h>
#include <linux/sh_dma.h>
#include <linux/workqueue.h>
#include <sound/soc.h>
#include <sound/pcm_params.h>

#define RSND_BASE_ADG   0
#define RSND_BASE_SSI   1
#define RSND_BASE_SSIU  2
#define RSND_BASE_SCU   3       // for Gen2/Gen3
#define RSND_BASE_SDMC  3       // for Gen4     reuse
#define RSND_BASE_MAX   4

/*
 *      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 {
        /* SCU (MIX/CTU/DVC) */
        SRC_I_BUSIF_MODE,
        SRC_O_BUSIF_MODE,
        SRC_ROUTE_MODE0,
        SRC_SWRSR,
        SRC_SRCIR,
        SRC_ADINR,
        SRC_IFSCR,
        SRC_IFSVR,
        SRC_SRCCR,
        SRC_CTRL,
        SRC_BSDSR,
        SRC_BSISR,
        SRC_INT_ENABLE0,
        SRC_BUSIF_DALIGN,
        SRCIN_TIMSEL0,
        SRCIN_TIMSEL1,
        SRCIN_TIMSEL2,
        SRCIN_TIMSEL3,
        SRCIN_TIMSEL4,
        SRCOUT_TIMSEL0,
        SRCOUT_TIMSEL1,
        SRCOUT_TIMSEL2,
        SRCOUT_TIMSEL3,
        SRCOUT_TIMSEL4,
        SCU_SYS_STATUS0,
        SCU_SYS_STATUS1,
        SCU_SYS_INT_EN0,
        SCU_SYS_INT_EN1,
        CMD_CTRL,
        CMD_BUSIF_MODE,
        CMD_BUSIF_DALIGN,
        CMD_ROUTE_SLCT,
        CMDOUT_TIMSEL,
        CTU_SWRSR,
        CTU_CTUIR,
        CTU_ADINR,
        CTU_CPMDR,
        CTU_SCMDR,
        CTU_SV00R,
        CTU_SV01R,
        CTU_SV02R,
        CTU_SV03R,
        CTU_SV04R,
        CTU_SV05R,
        CTU_SV06R,
        CTU_SV07R,
        CTU_SV10R,
        CTU_SV11R,
        CTU_SV12R,
        CTU_SV13R,
        CTU_SV14R,
        CTU_SV15R,
        CTU_SV16R,
        CTU_SV17R,
        CTU_SV20R,
        CTU_SV21R,
        CTU_SV22R,
        CTU_SV23R,
        CTU_SV24R,
        CTU_SV25R,
        CTU_SV26R,
        CTU_SV27R,
        CTU_SV30R,
        CTU_SV31R,
        CTU_SV32R,
        CTU_SV33R,
        CTU_SV34R,
        CTU_SV35R,
        CTU_SV36R,
        CTU_SV37R,
        MIX_SWRSR,
        MIX_MIXIR,
        MIX_ADINR,
        MIX_MIXMR,
        MIX_MVPDR,
        MIX_MDBAR,
        MIX_MDBBR,
        MIX_MDBCR,
        MIX_MDBDR,
        MIX_MDBER,
        DVC_SWRSR,
        DVC_DVUIR,
        DVC_ADINR,
        DVC_DVUCR,
        DVC_ZCMCR,
        DVC_VOL0R,
        DVC_VOL1R,
        DVC_VOL2R,
        DVC_VOL3R,
        DVC_VOL4R,
        DVC_VOL5R,
        DVC_VOL6R,
        DVC_VOL7R,
        DVC_DVUER,
        DVC_VRCTR,
        DVC_VRPDR,
        DVC_VRDBR,

        /* ADG */
        BRRA,
        BRRB,
        BRGCKR,
        DIV_EN,
        AUDIO_CLK_SEL0,
        AUDIO_CLK_SEL1,
        AUDIO_CLK_SEL2,

        /* SSIU */
        SSI_MODE,
        SSI_MODE0,
        SSI_MODE1,
        SSI_MODE2,
        SSI_CONTROL,
        SSI_CTRL,
        SSI_BUSIF0_MODE,
        SSI_BUSIF1_MODE,
        SSI_BUSIF2_MODE,
        SSI_BUSIF3_MODE,
        SSI_BUSIF4_MODE,
        SSI_BUSIF5_MODE,
        SSI_BUSIF6_MODE,
        SSI_BUSIF7_MODE,
        SSI_BUSIF0_ADINR,
        SSI_BUSIF1_ADINR,
        SSI_BUSIF2_ADINR,
        SSI_BUSIF3_ADINR,
        SSI_BUSIF4_ADINR,
        SSI_BUSIF5_ADINR,
        SSI_BUSIF6_ADINR,
        SSI_BUSIF7_ADINR,
        SSI_BUSIF0_DALIGN,
        SSI_BUSIF1_DALIGN,
        SSI_BUSIF2_DALIGN,
        SSI_BUSIF3_DALIGN,
        SSI_BUSIF4_DALIGN,
        SSI_BUSIF5_DALIGN,
        SSI_BUSIF6_DALIGN,
        SSI_BUSIF7_DALIGN,
        SSI_INT_ENABLE,
        SSI_SYS_STATUS0,
        SSI_SYS_STATUS1,
        SSI_SYS_STATUS2,
        SSI_SYS_STATUS3,
        SSI_SYS_STATUS4,
        SSI_SYS_STATUS5,
        SSI_SYS_STATUS6,
        SSI_SYS_STATUS7,
        SSI_SYS_INT_ENABLE0,
        SSI_SYS_INT_ENABLE1,
        SSI_SYS_INT_ENABLE2,
        SSI_SYS_INT_ENABLE3,
        SSI_SYS_INT_ENABLE4,
        SSI_SYS_INT_ENABLE5,
        SSI_SYS_INT_ENABLE6,
        SSI_SYS_INT_ENABLE7,
        HDMI0_SEL,
        HDMI1_SEL,
        SSI9_BUSIF0_MODE,
        SSI9_BUSIF1_MODE,
        SSI9_BUSIF2_MODE,
        SSI9_BUSIF3_MODE,
        SSI9_BUSIF4_MODE,
        SSI9_BUSIF5_MODE,
        SSI9_BUSIF6_MODE,
        SSI9_BUSIF7_MODE,
        SSI9_BUSIF0_ADINR,
        SSI9_BUSIF1_ADINR,
        SSI9_BUSIF2_ADINR,
        SSI9_BUSIF3_ADINR,
        SSI9_BUSIF4_ADINR,
        SSI9_BUSIF5_ADINR,
        SSI9_BUSIF6_ADINR,
        SSI9_BUSIF7_ADINR,
        SSI9_BUSIF0_DALIGN,
        SSI9_BUSIF1_DALIGN,
        SSI9_BUSIF2_DALIGN,
        SSI9_BUSIF3_DALIGN,
        SSI9_BUSIF4_DALIGN,
        SSI9_BUSIF5_DALIGN,
        SSI9_BUSIF6_DALIGN,
        SSI9_BUSIF7_DALIGN,

        /* SSI */
        SSICR,
        SSISR,
        SSITDR,
        SSIRDR,
        SSIWSR,

        REG_MAX,
};
#define SRCIN_TIMSEL(i)         (SRCIN_TIMSEL0 + (i))
#define SRCOUT_TIMSEL(i)        (SRCOUT_TIMSEL0 + (i))
#define CTU_SVxxR(i, j)         (CTU_SV00R + (i * 8) + (j))
#define DVC_VOLxR(i)            (DVC_VOL0R + (i))
#define AUDIO_CLK_SEL(i)        (AUDIO_CLK_SEL0 + (i))
#define SSI_BUSIF_MODE(i)       (SSI_BUSIF0_MODE + (i))
#define SSI_BUSIF_ADINR(i)      (SSI_BUSIF0_ADINR + (i))
#define SSI_BUSIF_DALIGN(i)     (SSI_BUSIF0_DALIGN + (i))
#define SSI9_BUSIF_MODE(i)      (SSI9_BUSIF0_MODE + (i))
#define SSI9_BUSIF_ADINR(i)     (SSI9_BUSIF0_ADINR + (i))
#define SSI9_BUSIF_DALIGN(i)    (SSI9_BUSIF0_DALIGN + (i))
#define SSI_SYS_STATUS(i)       (SSI_SYS_STATUS0 + (i))
#define SSI_SYS_INT_ENABLE(i) (SSI_SYS_INT_ENABLE0 + (i))


struct rsnd_priv;
struct rsnd_mod;
struct rsnd_dai;
struct rsnd_dai_stream;

/*
 *      R-Car basic functions
 */
u32 rsnd_mod_read(struct rsnd_mod *mod, enum rsnd_reg reg);
void rsnd_mod_write(struct rsnd_mod *mod, enum rsnd_reg reg, u32 data);
void rsnd_mod_bset(struct rsnd_mod *mod, enum rsnd_reg reg, u32 mask, u32 data);
u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io);
u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod);

/*
 *      R-Car DMA
 */
int rsnd_dma_attach(struct rsnd_dai_stream *io,
                    struct rsnd_mod *mod, struct rsnd_mod **dma_mod);
int rsnd_dma_probe(struct rsnd_priv *priv);
struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node, char *name,
                                          struct rsnd_mod *mod, char *x);

/*
 *      R-Car sound mod
 */
enum rsnd_mod_type {
        RSND_MOD_AUDMAPP,
        RSND_MOD_AUDMA,
        RSND_MOD_DVC,
        RSND_MOD_MIX,
        RSND_MOD_CTU,
        RSND_MOD_CMD,
        RSND_MOD_SRC,
        RSND_MOD_SSIM3,         /* SSI multi 3 */
        RSND_MOD_SSIM2,         /* SSI multi 2 */
        RSND_MOD_SSIM1,         /* SSI multi 1 */
        RSND_MOD_SSIP,          /* SSI parent */
        RSND_MOD_SSI,
        RSND_MOD_SSIU,
        RSND_MOD_MAX,
};

struct rsnd_mod_ops {
        char *name;
        struct dma_chan* (*dma_req)(struct rsnd_dai_stream *io,
                                    struct rsnd_mod *mod);
        int (*probe)(struct rsnd_mod *mod,
                     struct rsnd_dai_stream *io,
                     struct rsnd_priv *priv);
        int (*remove)(struct rsnd_mod *mod,
                      struct rsnd_dai_stream *io,
                      struct rsnd_priv *priv);
        int (*init)(struct rsnd_mod *mod,
                    struct rsnd_dai_stream *io,
                    struct rsnd_priv *priv);
        int (*quit)(struct rsnd_mod *mod,
                    struct rsnd_dai_stream *io,
                    struct rsnd_priv *priv);
        int (*start)(struct rsnd_mod *mod,
                     struct rsnd_dai_stream *io,
                     struct rsnd_priv *priv);
        int (*stop)(struct rsnd_mod *mod,
                    struct rsnd_dai_stream *io,
                    struct rsnd_priv *priv);
        int (*irq)(struct rsnd_mod *mod,
                   struct rsnd_dai_stream *io,
                   struct rsnd_priv *priv, int enable);
        int (*pcm_new)(struct rsnd_mod *mod,
                       struct rsnd_dai_stream *io,
                       struct snd_soc_pcm_runtime *rtd);
        int (*hw_params)(struct rsnd_mod *mod,
                         struct rsnd_dai_stream *io,
                         struct snd_pcm_substream *substream,
                         struct snd_pcm_hw_params *hw_params);
        int (*pointer)(struct rsnd_mod *mod,
                       struct rsnd_dai_stream *io,
                       snd_pcm_uframes_t *pointer);
        int (*fallback)(struct rsnd_mod *mod,
                        struct rsnd_dai_stream *io,
                        struct rsnd_priv *priv);
        int (*prepare)(struct rsnd_mod *mod,
                       struct rsnd_dai_stream *io,
                       struct rsnd_priv *priv);
        int (*cleanup)(struct rsnd_mod *mod,
                       struct rsnd_dai_stream *io,
                       struct rsnd_priv *priv);
        int (*hw_free)(struct rsnd_mod *mod,
                       struct rsnd_dai_stream *io,
                       struct snd_pcm_substream *substream);
        u32 *(*get_status)(struct rsnd_mod *mod,
                           struct rsnd_dai_stream *io,
                           enum rsnd_mod_type type);
        int (*id)(struct rsnd_mod *mod);
        int (*id_sub)(struct rsnd_mod *mod);
        int (*id_cmd)(struct rsnd_mod *mod);

#ifdef CONFIG_DEBUG_FS
        void (*debug_info)(struct seq_file *m,
                           struct rsnd_dai_stream *io, struct rsnd_mod *mod);
#endif
};

struct rsnd_dai_stream;
struct rsnd_mod {
        int id;
        enum rsnd_mod_type type;
        struct rsnd_mod_ops *ops;
        struct rsnd_priv *priv;
        struct clk *clk;
        u32 status;
};
/*
 * status
 *
 * 0xH000DCB0
 *
 * B    0: init         1: quit
 * C    0: start        1: stop
 * D    0: hw_params    1: hw_free
 *
 * H is always called (see __rsnd_mod_call)
 */
#define __rsnd_mod_shift_init           4
#define __rsnd_mod_shift_quit           4
#define __rsnd_mod_shift_start          8
#define __rsnd_mod_shift_stop           8
#define __rsnd_mod_shift_hw_params      12
#define __rsnd_mod_shift_hw_free        12
#define __rsnd_mod_shift_probe          28 /* always called */
#define __rsnd_mod_shift_remove         28 /* always called */
#define __rsnd_mod_shift_irq            28 /* always called */
#define __rsnd_mod_shift_pcm_new        28 /* always called */
#define __rsnd_mod_shift_fallback       28 /* always called */
#define __rsnd_mod_shift_pointer        28 /* always called */
#define __rsnd_mod_shift_prepare        28 /* always called */
#define __rsnd_mod_shift_cleanup        28 /* always called */

#define __rsnd_mod_add_probe            0
#define __rsnd_mod_add_remove           0
#define __rsnd_mod_add_prepare          0
#define __rsnd_mod_add_cleanup          0
#define __rsnd_mod_add_init              1 /* needs protect */
#define __rsnd_mod_add_quit             -1 /* needs protect */
#define __rsnd_mod_add_start             1 /* needs protect */
#define __rsnd_mod_add_stop             -1 /* needs protect */
#define __rsnd_mod_add_hw_params         1 /* needs protect */
#define __rsnd_mod_add_hw_free          -1 /* needs protect */
#define __rsnd_mod_add_irq              0
#define __rsnd_mod_add_pcm_new          0
#define __rsnd_mod_add_fallback         0
#define __rsnd_mod_add_pointer          0

#define __rsnd_mod_call_probe           0
#define __rsnd_mod_call_remove          0
#define __rsnd_mod_call_prepare         0
#define __rsnd_mod_call_cleanup         0
#define __rsnd_mod_call_init            0 /* needs protect */
#define __rsnd_mod_call_quit            1 /* needs protect */
#define __rsnd_mod_call_start           0 /* needs protect */
#define __rsnd_mod_call_stop            1 /* needs protect */
#define __rsnd_mod_call_hw_params       0 /* needs protect */
#define __rsnd_mod_call_hw_free         1 /* needs protect */
#define __rsnd_mod_call_irq             0
#define __rsnd_mod_call_pcm_new         0
#define __rsnd_mod_call_fallback        0
#define __rsnd_mod_call_pointer         0

#define rsnd_mod_to_priv(mod)   ((mod)->priv)
#define rsnd_mod_power_on(mod)  clk_enable((mod)->clk)
#define rsnd_mod_power_off(mod) clk_disable((mod)->clk)
#define rsnd_mod_get(ip)        (&(ip)->mod)

int rsnd_mod_init(struct rsnd_priv *priv,
                  struct rsnd_mod *mod,
                  struct rsnd_mod_ops *ops,
                  struct clk *clk,
                  enum rsnd_mod_type type,
                  int id);
void rsnd_mod_quit(struct rsnd_mod *mod);
struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io,
                                  struct rsnd_mod *mod);
void rsnd_mod_interrupt(struct rsnd_mod *mod,
                        void (*callback)(struct rsnd_mod *mod,
                                         struct rsnd_dai_stream *io));
u32 *rsnd_mod_get_status(struct rsnd_mod *mod,
                         struct rsnd_dai_stream *io,
                         enum rsnd_mod_type type);
int rsnd_mod_id(struct rsnd_mod *mod);
int rsnd_mod_id_raw(struct rsnd_mod *mod);
int rsnd_mod_id_sub(struct rsnd_mod *mod);
char *rsnd_mod_name(struct rsnd_mod *mod);
struct rsnd_mod *rsnd_mod_next(int *iterator,
                               struct rsnd_dai_stream *io,
                               enum rsnd_mod_type *array,
                               int array_size);
#define for_each_rsnd_mod(iterator, pos, io)                            \
        for (iterator = 0;                                              \
             (pos = rsnd_mod_next(&iterator, io, NULL, 0)); iterator++)
#define for_each_rsnd_mod_arrays(iterator, pos, io, array, size)        \
        for (iterator = 0;                                              \
             (pos = rsnd_mod_next(&iterator, io, array, size)); iterator++)
#define for_each_rsnd_mod_array(iterator, pos, io, array)               \
        for_each_rsnd_mod_arrays(iterator, pos, io, array, ARRAY_SIZE(array))

void rsnd_parse_connect_common(struct rsnd_dai *rdai, char *name,
                struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id),
                struct device_node *node,
                struct device_node *playback,
                struct device_node *capture);
int rsnd_node_count(struct rsnd_priv *priv, struct device_node *node, char *name);
int rsnd_node_fixed_index(struct device *dev, struct device_node *node, char *name, int idx);

int rsnd_channel_normalization(int chan);
#define rsnd_runtime_channel_original(io) \
        rsnd_runtime_channel_original_with_params(io, NULL)
int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io,
                                struct snd_pcm_hw_params *params);
#define rsnd_runtime_channel_after_ctu(io)                      \
        rsnd_runtime_channel_after_ctu_with_params(io, NULL)
int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io,
                                struct snd_pcm_hw_params *params);
#define rsnd_runtime_channel_for_ssi(io) \
        rsnd_runtime_channel_for_ssi_with_params(io, NULL)
int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io,
                                 struct snd_pcm_hw_params *params);
int rsnd_runtime_is_multi_ssi(struct rsnd_dai_stream *io);
int rsnd_runtime_is_tdm(struct rsnd_dai_stream *io);
int rsnd_runtime_is_tdm_split(struct rsnd_dai_stream *io);

/*
 * DT
 */
#define rsnd_parse_of_node(priv, node)                                  \
        of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, node)
#define RSND_NODE_DAI   "rcar_sound,dai"
#define RSND_NODE_SSI   "rcar_sound,ssi"
#define RSND_NODE_SSIU  "rcar_sound,ssiu"
#define RSND_NODE_SRC   "rcar_sound,src"
#define RSND_NODE_CTU   "rcar_sound,ctu"
#define RSND_NODE_MIX   "rcar_sound,mix"
#define RSND_NODE_DVC   "rcar_sound,dvc"

/*
 *      R-Car sound DAI
 */
#define RSND_DAI_NAME_SIZE      16
struct rsnd_dai_stream {
        char name[RSND_DAI_NAME_SIZE];
        struct snd_pcm_substream *substream;
        struct rsnd_mod *mod[RSND_MOD_MAX];
        struct rsnd_mod *dma;
        struct rsnd_dai *rdai;
        struct device *dmac_dev; /* for IPMMU */
        u32 converted_rate;      /* converted sampling rate */
        int converted_chan;      /* converted channels */
        u32 parent_ssi_status;
        u32 flags;
};

/* flags */
#define RSND_STREAM_HDMI0       (1 << 0) /* for HDMI0 */
#define RSND_STREAM_HDMI1       (1 << 1) /* for HDMI1 */
#define RSND_STREAM_TDM_SPLIT   (1 << 2) /* for TDM split mode */
#define RSND_HW_RULE_ERR        (1 << 3) /* hw_rule error */

#define rsnd_io_to_mod(io, i)   ((i) < RSND_MOD_MAX ? (io)->mod[(i)] : NULL)
#define rsnd_io_to_mod_ssi(io)  rsnd_io_to_mod((io), RSND_MOD_SSI)
#define rsnd_io_to_mod_ssiu(io) rsnd_io_to_mod((io), RSND_MOD_SSIU)
#define rsnd_io_to_mod_ssip(io) rsnd_io_to_mod((io), RSND_MOD_SSIP)
#define rsnd_io_to_mod_src(io)  rsnd_io_to_mod((io), RSND_MOD_SRC)
#define rsnd_io_to_mod_ctu(io)  rsnd_io_to_mod((io), RSND_MOD_CTU)
#define rsnd_io_to_mod_mix(io)  rsnd_io_to_mod((io), RSND_MOD_MIX)
#define rsnd_io_to_mod_dvc(io)  rsnd_io_to_mod((io), RSND_MOD_DVC)
#define rsnd_io_to_mod_cmd(io)  rsnd_io_to_mod((io), RSND_MOD_CMD)
#define rsnd_io_to_rdai(io)     ((io)->rdai)
#define rsnd_io_to_priv(io)     (rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
#define rsnd_io_is_play(io)     (&rsnd_io_to_rdai(io)->playback == io)
#define rsnd_io_to_runtime(io) ((io)->substream ? \
                                (io)->substream->runtime : NULL)
#define rsnd_io_converted_rate(io)      ((io)->converted_rate)
#define rsnd_io_converted_chan(io)      ((io)->converted_chan)
int rsnd_io_is_working(struct rsnd_dai_stream *io);

struct rsnd_dai {
        char name[RSND_DAI_NAME_SIZE];
        struct rsnd_dai_stream playback;
        struct rsnd_dai_stream capture;
        struct rsnd_priv *priv;
        struct snd_pcm_hw_constraint_list constraint;
        struct of_phandle_args dai_args;

        int max_channels;       /* 2ch - 16ch */
        int ssi_lane;           /* 1lane - 4lane */
        int chan_width;         /* 16/24/32 bit width */

        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 rsnd_rdai_is_clk_master(rdai) ((rdai)->clk_master)
#define rsnd_rdai_to_priv(rdai) ((rdai)->priv)
#define for_each_rsnd_dai(rdai, priv, i)                \
        for (i = 0;                                     \
             (i < rsnd_rdai_nr(priv)) &&                \
             ((rdai) = rsnd_rdai_get(priv, i));         \
             i++)

struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id);

#define rsnd_rdai_channels_set(rdai, max_channels) \
        rsnd_rdai_channels_ctrl(rdai, max_channels)
#define rsnd_rdai_channels_get(rdai) \
        rsnd_rdai_channels_ctrl(rdai, 0)
int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai,
                            int max_channels);

#define rsnd_rdai_ssi_lane_set(rdai, ssi_lane) \
        rsnd_rdai_ssi_lane_ctrl(rdai, ssi_lane)
#define rsnd_rdai_ssi_lane_get(rdai) \
        rsnd_rdai_ssi_lane_ctrl(rdai, 0)
int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai,
                            int ssi_lane);

#define rsnd_rdai_width_set(rdai, width) \
        rsnd_rdai_width_ctrl(rdai, width)
#define rsnd_rdai_width_get(rdai) \
        rsnd_rdai_width_ctrl(rdai, 0)
int rsnd_rdai_width_ctrl(struct rsnd_dai *rdai, int width);
int rsnd_dai_connect(struct rsnd_mod *mod,
                     struct rsnd_dai_stream *io,
                     enum rsnd_mod_type type);

/*
 *      R-Car Gen1/Gen2
 */
int rsnd_gen_probe(struct rsnd_priv *priv);
void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
                               struct rsnd_mod *mod,
                               enum rsnd_reg reg);
phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
#ifdef CONFIG_DEBUG_FS
void __iomem *rsnd_gen_get_base_addr(struct rsnd_priv *priv, int reg_id);
#endif

/*
 *      R-Car ADG
 */
int rsnd_adg_clk_query(struct rsnd_priv *priv, unsigned int rate);
int rsnd_adg_ssi_clk_stop(struct rsnd_mod *ssi_mod);
int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate);
int rsnd_adg_probe(struct rsnd_priv *priv);
void rsnd_adg_remove(struct rsnd_priv *priv);
int rsnd_adg_set_src_timesel_gen2(struct rsnd_mod *src_mod,
                                  struct rsnd_dai_stream *io,
                                  unsigned int in_rate,
                                  unsigned int out_rate);
int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *cmd_mod,
                                 struct rsnd_dai_stream *io);
#define rsnd_adg_clk_enable(priv)       rsnd_adg_clk_control(priv, 1)
#define rsnd_adg_clk_disable(priv)      rsnd_adg_clk_control(priv, 0)
int rsnd_adg_clk_control(struct rsnd_priv *priv, int enable);
void rsnd_adg_clk_dbg_info(struct rsnd_priv *priv, struct seq_file *m);

/*
 *      R-Car sound priv
 */
struct rsnd_priv {

        struct platform_device *pdev;
        spinlock_t lock;
        unsigned long flags;
#define RSND_GEN_MASK   (0xF << 0)
#define RSND_GEN1       (1 << 0)
#define RSND_GEN2       (2 << 0)
#define RSND_GEN3       (3 << 0)
#define RSND_GEN4       (4 << 0)
#define RSND_SOC_MASK   (0xFF << 4)
#define RSND_SOC_E      (1 << 4) /* E1/E2/E3 */

        /*
         * below value will be filled on rsnd_gen_probe()
         */
        void *gen;

        /*
         * below value will be filled on rsnd_adg_probe()
         */
        void *adg;

        /*
         * below value will be filled on rsnd_dma_probe()
         */
        void *dma;

        /*
         * below value will be filled on rsnd_ssi_probe()
         */
        void *ssi;
        int ssi_nr;

        /*
         * below value will be filled on rsnd_ssiu_probe()
         */
        void *ssiu;
        int ssiu_nr;

        /*
         * below value will be filled on rsnd_src_probe()
         */
        void *src;
        int src_nr;

        /*
         * below value will be filled on rsnd_ctu_probe()
         */
        void *ctu;
        int ctu_nr;

        /*
         * below value will be filled on rsnd_mix_probe()
         */
        void *mix;
        int mix_nr;

        /*
         * below value will be filled on rsnd_dvc_probe()
         */
        void *dvc;
        int dvc_nr;

        /*
         * below value will be filled on rsnd_cmd_probe()
         */
        void *cmd;
        int cmd_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_MAX_COMPONENT 3
        int component_dais[RSND_MAX_COMPONENT];
};

#define rsnd_priv_to_pdev(priv) ((priv)->pdev)
#define rsnd_priv_to_dev(priv)  (&(rsnd_priv_to_pdev(priv)->dev))

#define rsnd_is_gen1(priv)      (((priv)->flags & RSND_GEN_MASK) == RSND_GEN1)
#define rsnd_is_gen2(priv)      (((priv)->flags & RSND_GEN_MASK) == RSND_GEN2)
#define rsnd_is_gen3(priv)      (((priv)->flags & RSND_GEN_MASK) == RSND_GEN3)
#define rsnd_is_gen4(priv)      (((priv)->flags & RSND_GEN_MASK) == RSND_GEN4)
#define rsnd_is_gen3_e3(priv)   (((priv)->flags & \
                                        (RSND_GEN_MASK | RSND_SOC_MASK)) == \
                                        (RSND_GEN3 | RSND_SOC_E))

#define rsnd_flags_has(p, f) ((p)->flags & (f))
#define rsnd_flags_set(p, f) ((p)->flags |= (f))
#define rsnd_flags_del(p, f) ((p)->flags &= ~(f))

/*
 *      rsnd_kctrl
 */
struct rsnd_kctrl_cfg {
        unsigned int max;
        unsigned int size;
        u32 *val;
        const char * const *texts;
        int (*accept)(struct rsnd_dai_stream *io);
        void (*update)(struct rsnd_dai_stream *io, struct rsnd_mod *mod);
        struct rsnd_dai_stream *io;
        struct snd_card *card;
        struct snd_kcontrol *kctrl;
        struct rsnd_mod *mod;
};

#define RSND_MAX_CHANNELS       8
struct rsnd_kctrl_cfg_m {
        struct rsnd_kctrl_cfg cfg;
        u32 val[RSND_MAX_CHANNELS];
};

struct rsnd_kctrl_cfg_s {
        struct rsnd_kctrl_cfg cfg;
        u32 val;
};
#define rsnd_kctrl_size(x)      ((x).cfg.size)
#define rsnd_kctrl_max(x)       ((x).cfg.max)
#define rsnd_kctrl_valm(x, i)   ((x).val[i])    /* = (x).cfg.val[i] */
#define rsnd_kctrl_vals(x)      ((x).val)       /* = (x).cfg.val[0] */

int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io);
struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg);
struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg);
int rsnd_kctrl_new(struct rsnd_mod *mod,
                   struct rsnd_dai_stream *io,
                   struct snd_soc_pcm_runtime *rtd,
                   const unsigned char *name,
                   int (*accept)(struct rsnd_dai_stream *io),
                   void (*update)(struct rsnd_dai_stream *io,
                                  struct rsnd_mod *mod),
                   struct rsnd_kctrl_cfg *cfg,
                   const char * const *texts,
                   int size,
                   u32 max);

#define rsnd_kctrl_new_m(mod, io, rtd, name, accept, update, cfg, size, max) \
        rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_m(cfg), \
                       NULL, size, max)

#define rsnd_kctrl_new_s(mod, io, rtd, name, accept, update, cfg, max)  \
        rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
                       NULL, 1, max)

#define rsnd_kctrl_new_e(mod, io, rtd, name, accept, update, cfg, texts, size) \
        rsnd_kctrl_new(mod, io, rtd, name, accept, update, rsnd_kctrl_init_s(cfg), \
                       texts, 1, size)

extern const char * const volume_ramp_rate[];
#define VOLUME_RAMP_MAX_DVC     (0x17 + 1)
#define VOLUME_RAMP_MAX_MIX     (0x0a + 1)

/*
 *      R-Car SSI
 */
int rsnd_ssi_probe(struct rsnd_priv *priv);
void rsnd_ssi_remove(struct rsnd_priv *priv);
struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
int rsnd_ssi_use_busif(struct rsnd_dai_stream *io);
u32 rsnd_ssi_multi_secondaries_runtime(struct rsnd_dai_stream *io);
int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);

#define rsnd_ssi_is_pin_sharing(io)     \
        __rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io))
int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);

#define rsnd_ssi_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SSI)
void rsnd_parse_connect_ssi(struct rsnd_dai *rdai,
                            struct device_node *playback,
                            struct device_node *capture);
unsigned int rsnd_ssi_clk_query(struct rsnd_dai *rdai,
                       int param1, int param2, int *idx);

/*
 *      R-Car SSIU
 */
int rsnd_ssiu_attach(struct rsnd_dai_stream *io,
                     struct rsnd_mod *mod);
int rsnd_ssiu_probe(struct rsnd_priv *priv);
void rsnd_ssiu_remove(struct rsnd_priv *priv);
void rsnd_parse_connect_ssiu(struct rsnd_dai *rdai,
                             struct device_node *playback,
                             struct device_node *capture);
#define rsnd_ssiu_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SSIU)
bool rsnd_ssiu_busif_err_status_clear(struct rsnd_mod *mod);

/*
 *      R-Car SRC
 */
int rsnd_src_probe(struct rsnd_priv *priv);
void rsnd_src_remove(struct rsnd_priv *priv);
struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);

#define rsnd_src_get_in_rate(priv, io) rsnd_src_get_rate(priv, io, 1)
#define rsnd_src_get_out_rate(priv, io) rsnd_src_get_rate(priv, io, 0)
unsigned int rsnd_src_get_rate(struct rsnd_priv *priv,
                               struct rsnd_dai_stream *io,
                               int is_in);

#define rsnd_src_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SRC)
#define rsnd_parse_connect_src(rdai, playback, capture)                 \
        rsnd_parse_connect_common(rdai, "src", rsnd_src_mod_get,        \
                                  rsnd_src_of_node(rsnd_rdai_to_priv(rdai)), \
                                                   playback, capture)

/*
 *      R-Car CTU
 */
int rsnd_ctu_probe(struct rsnd_priv *priv);
void rsnd_ctu_remove(struct rsnd_priv *priv);
struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id);
#define rsnd_ctu_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_CTU)
#define rsnd_parse_connect_ctu(rdai, playback, capture)                 \
        rsnd_parse_connect_common(rdai, "ctu", rsnd_ctu_mod_get,        \
                                  rsnd_ctu_of_node(rsnd_rdai_to_priv(rdai)), \
                                                   playback, capture)

/*
 *      R-Car MIX
 */
int rsnd_mix_probe(struct rsnd_priv *priv);
void rsnd_mix_remove(struct rsnd_priv *priv);
struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id);
#define rsnd_mix_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_MIX)
#define rsnd_parse_connect_mix(rdai, playback, capture)                 \
        rsnd_parse_connect_common(rdai, "mix", rsnd_mix_mod_get,        \
                                  rsnd_mix_of_node(rsnd_rdai_to_priv(rdai)), \
                                                   playback, capture)

/*
 *      R-Car DVC
 */
int rsnd_dvc_probe(struct rsnd_priv *priv);
void rsnd_dvc_remove(struct rsnd_priv *priv);
struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id);
#define rsnd_dvc_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_DVC)
#define rsnd_parse_connect_dvc(rdai, playback, capture)                 \
        rsnd_parse_connect_common(rdai, "dvc", rsnd_dvc_mod_get,        \
                                  rsnd_dvc_of_node(rsnd_rdai_to_priv(rdai)), \
                                                   playback, capture)

/*
 *      R-Car CMD
 */
int rsnd_cmd_probe(struct rsnd_priv *priv);
void rsnd_cmd_remove(struct rsnd_priv *priv);
int rsnd_cmd_attach(struct rsnd_dai_stream *io, int id);

void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type);

/*
 * If you don't need interrupt status debug message,
 * define RSND_DEBUG_NO_IRQ_STATUS as 1 on top of src.c/ssi.c
 *
 * #define RSND_DEBUG_NO_IRQ_STATUS 1
 */
#define rsnd_print_irq_status(dev, param...) do {       \
        if (!IS_BUILTIN(RSND_DEBUG_NO_IRQ_STATUS))      \
                dev_info(dev, param);                   \
} while (0)

#ifdef CONFIG_DEBUG_FS
int rsnd_debugfs_probe(struct snd_soc_component *component);
void rsnd_debugfs_reg_show(struct seq_file *m, phys_addr_t _addr,
                           void __iomem *base, int offset, int size);
void rsnd_debugfs_mod_reg_show(struct seq_file *m, struct rsnd_mod *mod,
                               int reg_id, int offset, int size);

#else
#define rsnd_debugfs_probe  NULL
#endif

#endif /* RSND_H */