root/sound/soc/tegra/tegra210_ahub.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * tegra210_ahub.h - TEGRA210 AHUB
 *
 * Copyright (c) 2020-2025, NVIDIA CORPORATION.  All rights reserved.
 *
 */

#ifndef __TEGRA210_AHUB__H__
#define __TEGRA210_AHUB__H__

/* Tegra210 specific */
#define TEGRA210_XBAR_PART1_RX                          0x200
#define TEGRA210_XBAR_PART2_RX                          0x400
#define TEGRA210_XBAR_RX_STRIDE                         0x4
#define TEGRA210_XBAR_AUDIO_RX_COUNT                    90
#define TEGRA210_XBAR_REG_MASK_0                        0xf1f03ff
#define TEGRA210_XBAR_REG_MASK_1                        0x3f30031f
#define TEGRA210_XBAR_REG_MASK_2                        0xff1cf313
#define TEGRA210_XBAR_REG_MASK_3                        0x0
#define TEGRA210_XBAR_UPDATE_MAX_REG                    3
/* Tegra186 specific */
#define TEGRA186_XBAR_PART3_RX                          0x600
#define TEGRA186_XBAR_AUDIO_RX_COUNT                    115
#define TEGRA186_XBAR_REG_MASK_0                        0xf3fffff
#define TEGRA186_XBAR_REG_MASK_1                        0x3f310f1f
#define TEGRA186_XBAR_REG_MASK_2                        0xff3cf311
#define TEGRA186_XBAR_REG_MASK_3                        0x3f0f00ff
#define TEGRA186_XBAR_UPDATE_MAX_REG                    4

/* Tegra264 specific */
#define TEGRA264_XBAR_PART1_RX                          0x1000
#define TEGRA264_XBAR_PART2_RX                          0x2000
#define TEGRA264_XBAR_PART3_RX                          0x3000
#define TEGRA264_XBAR_PART4_RX                          0x4000
#define TEGRA264_XBAR_PART0_ADX6_RX1                    0x224
#define TEGRA264_XBAR_AUDIO_RX_COUNT                    ((TEGRA264_XBAR_PART0_ADX6_RX1 / 4) + 1)
#define TEGRA264_XBAR_REG_MASK_0                        0xfffffff
#define TEGRA264_XBAR_REG_MASK_1                        0x3f013f1f
#define TEGRA264_XBAR_REG_MASK_2                        0xff3c0301
#define TEGRA264_XBAR_REG_MASK_3                        0x3f00ffff
#define TEGRA264_XBAR_REG_MASK_4                        0x7fff9f
#define TEGRA264_XBAR_UPDATE_MAX_REG                    5

#define TEGRA264_AXBAR_ADMAIF_RX1                       0x0
#define TEGRA264_AXBAR_SFC4_RX1                         0x6c
#define TEGRA264_AXBAR_MIXER1_RX1                       0x80
#define TEGRA264_AXBAR_MIXER1_RX10                      0xa4
#define TEGRA264_AXBAR_DSPK1_RX1                        0xc0
#define TEGRA264_AXBAR_OPE1_RX1                         0x100
#define TEGRA264_AXBAR_MVC1_RX1                         0x110
#define TEGRA264_AXBAR_MVC2_RX1                         0x114
#define TEGRA264_AXBAR_AMX1_RX1                         0x120
#define TEGRA264_AXBAR_AMX3_RX4                         0x14c
#define TEGRA264_AXBAR_ADX1_RX1                         0x160
#define TEGRA264_AXBAR_ASRC1_RX7                        0x1a8
#define TEGRA264_AXBAR_ADMAIF_RX21                      0x1d0
#define TEGRA264_AXBAR_ADX6_RX1                         0x224

#define TEGRA_XBAR_UPDATE_MAX_REG (TEGRA264_XBAR_UPDATE_MAX_REG)

#define TEGRA264_MAX_REGISTER_ADDR (TEGRA264_XBAR_PART4_RX +            \
        (TEGRA210_XBAR_RX_STRIDE * (TEGRA264_XBAR_AUDIO_RX_COUNT - 1)))

#define TEGRA186_MAX_REGISTER_ADDR (TEGRA186_XBAR_PART3_RX +            \
        (TEGRA210_XBAR_RX_STRIDE * (TEGRA186_XBAR_AUDIO_RX_COUNT - 1)))

#define TEGRA210_MAX_REGISTER_ADDR (TEGRA210_XBAR_PART2_RX +            \
        (TEGRA210_XBAR_RX_STRIDE * (TEGRA210_XBAR_AUDIO_RX_COUNT - 1)))

/* AXBAR register offsets */
#define TEGRA186_AXBAR_PART_0_AMX1_RX1_0        0x120
#define TEGRA186_AXBAR_PART_0_AMX3_RX4_0        0x14c
#define TEGRA186_AXBAR_PART_0_ASRC1_RX7_0       0x1a8
#define TEGRA186_AXBAR_PART_0_DSPK1_RX1_0       0xc0
#define TEGRA186_AXBAR_PART_0_DSPK2_RX1_0       0xc4
#define TEGRA186_AXBAR_PART_0_I2S6_RX1_0        0x54
#define TEGRA186_AXBAR_PART_0_MVC1_RX1_0        0x110
#define TEGRA186_AXBAR_PART_0_MVC2_RX1_0        0x114
#define TEGRA210_AXBAR_PART_0_ADMAIF_RX10_0     0x24
#define TEGRA210_AXBAR_PART_0_ADMAIF_RX1_0      0x0
#define TEGRA210_AXBAR_PART_0_ADX1_RX1_0        0x160
#define TEGRA210_AXBAR_PART_0_ADX2_RX1_0        0x164
#define TEGRA210_AXBAR_PART_0_AFC1_RX1_0        0xd0
#define TEGRA210_AXBAR_PART_0_AFC6_RX1_0        0xe4
#define TEGRA210_AXBAR_PART_0_AMX1_RX1_0        0x140
#define TEGRA210_AXBAR_PART_0_I2S1_RX1_0        0x40
#define TEGRA210_AXBAR_PART_0_I2S5_RX1_0        0x50
#define TEGRA210_AXBAR_PART_0_MIXER1_RX10_0     0xa4
#define TEGRA210_AXBAR_PART_0_MIXER1_RX1_0      0x80
#define TEGRA210_AXBAR_PART_0_MVC1_RX1_0        0x120
#define TEGRA210_AXBAR_PART_0_MVC2_RX1_0        0x124
#define TEGRA210_AXBAR_PART_0_OPE1_RX1_0        0x100
#define TEGRA210_AXBAR_PART_0_OPE2_RX1_0        0x104
#define TEGRA210_AXBAR_PART_0_SFC1_RX1_0        0x60
#define TEGRA210_AXBAR_PART_0_SFC4_RX1_0        0x6c
#define TEGRA210_AXBAR_PART_0_SPDIF1_RX1_0      0xc0
#define TEGRA210_AXBAR_PART_0_SPDIF1_RX2_0      0xc4
#define TEGRA210_AXBAR_PART_0_SPKPROT1_RX1_0    0x110

#define MUX_REG(id) (TEGRA210_XBAR_RX_STRIDE * (id))

#define MUX_VALUE(npart, nbit) (1 + (nbit) + (npart) * 32)

#define SOC_VALUE_ENUM_WIDE(xreg, shift, xmax, xtexts, xvalues)         \
        {                                                               \
                .reg = xreg,                                            \
                .shift_l = shift,                                       \
                .shift_r = shift,                                       \
                .items = xmax,                                          \
                .texts = xtexts,                                        \
                .values = xvalues,                                      \
                .mask = xmax ? roundup_pow_of_two(xmax) - 1 : 0         \
        }

#define SOC_VALUE_ENUM_WIDE_DECL(name, xreg, shift, xtexts, xvalues)    \
        static struct soc_enum name =                                   \
                SOC_VALUE_ENUM_WIDE(xreg, shift, ARRAY_SIZE(xtexts),    \
                                    xtexts, xvalues)

#define MUX_ENUM_CTRL_DECL(ename, id)                                   \
        SOC_VALUE_ENUM_WIDE_DECL(ename##_enum, MUX_REG(id), 0,          \
                                 tegra210_ahub_mux_texts,               \
                                 tegra210_ahub_mux_values);             \
        static const struct snd_kcontrol_new ename##_control =          \
                SOC_DAPM_ENUM_EXT("Route", ename##_enum,                \
                                  tegra_ahub_get_value_enum,            \
                                  tegra_ahub_put_value_enum)

#define MUX_ENUM_CTRL_DECL_186(ename, id)                               \
        SOC_VALUE_ENUM_WIDE_DECL(ename##_enum, MUX_REG(id), 0,          \
                                 tegra186_ahub_mux_texts,               \
                                 tegra186_ahub_mux_values);             \
        static const struct snd_kcontrol_new ename##_control =          \
                SOC_DAPM_ENUM_EXT("Route", ename##_enum,                \
                                  tegra_ahub_get_value_enum,            \
                                  tegra_ahub_put_value_enum)

#define MUX_ENUM_CTRL_DECL_234(ename, id) MUX_ENUM_CTRL_DECL_186(ename, id)

#define MUX_ENUM_CTRL_DECL_264(ename, id)                               \
        SOC_VALUE_ENUM_WIDE_DECL(ename##_enum, MUX_REG(id), 0,          \
                                 tegra264_ahub_mux_texts,               \
                                 tegra264_ahub_mux_values);             \
        static const struct snd_kcontrol_new ename##_control =          \
                SOC_DAPM_ENUM_EXT("Route", ename##_enum,                \
                                  tegra_ahub_get_value_enum,            \
                                  tegra_ahub_put_value_enum)

#define WIDGETS(sname, ename)                                                \
        SND_SOC_DAPM_AIF_IN(sname " XBAR-RX", NULL, 0, SND_SOC_NOPM, 0, 0),  \
        SND_SOC_DAPM_AIF_OUT(sname " XBAR-TX", NULL, 0, SND_SOC_NOPM, 0, 0), \
        SND_SOC_DAPM_MUX(sname " Mux", SND_SOC_NOPM, 0, 0,                   \
                         &ename##_control)

#define TX_WIDGETS(sname)                                                   \
        SND_SOC_DAPM_AIF_IN(sname " XBAR-RX", NULL, 0, SND_SOC_NOPM, 0, 0), \
        SND_SOC_DAPM_AIF_OUT(sname " XBAR-TX", NULL, 0, SND_SOC_NOPM, 0, 0)

#define DAI(sname)                                                      \
        {                                                               \
                .name = "XBAR-" #sname,                                 \
                .playback = {                                           \
                        .stream_name = #sname " XBAR-Playback",         \
                        .channels_min = 1,                              \
                        .channels_max = 32,                             \
                        .rates = SNDRV_PCM_RATE_8000_192000,            \
                        .formats = SNDRV_PCM_FMTBIT_S8 |                \
                                SNDRV_PCM_FMTBIT_S16_LE |               \
                                SNDRV_PCM_FMTBIT_S24_LE |               \
                                SNDRV_PCM_FMTBIT_S32_LE,                \
                },                                                      \
                .capture = {                                            \
                        .stream_name = #sname " XBAR-Capture",          \
                        .channels_min = 1,                              \
                        .channels_max = 32,                             \
                        .rates = SNDRV_PCM_RATE_8000_192000,            \
                        .formats = SNDRV_PCM_FMTBIT_S8 |                \
                                SNDRV_PCM_FMTBIT_S16_LE |               \
                                SNDRV_PCM_FMTBIT_S24_LE |               \
                                SNDRV_PCM_FMTBIT_S32_LE,                \
                },                                                      \
        }

struct tegra_ahub_soc_data {
        const struct regmap_config *regmap_config;
        const struct snd_soc_component_driver *cmpnt_drv;
        struct snd_soc_dai_driver *dai_drv;
        unsigned int mask[TEGRA_XBAR_UPDATE_MAX_REG];
        unsigned int reg_count;
        unsigned int num_dais;
        unsigned int xbar_part_size;
};

struct tegra_ahub {
        const struct tegra_ahub_soc_data *soc_data;
        struct regmap *regmap;
        struct clk *clk;
};

#endif