sound/soc/tegra/tegra210_sfc.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * tegra210_sfc.h - Definitions for Tegra210 SFC driver
   4  *
   5  * Copyright (c) 2021 NVIDIA CORPORATION.  All rights reserved.
   6  *
   7  */
   8
   9 #ifndef __TEGRA210_SFC_H__
  10 #define __TEGRA210_SFC_H__
  11
  12 /*
  13  * SFC_RX registers are with respect to XBAR.
  14  * The data comes from XBAR to SFC.
  15  */
  16 #define TEGRA210_SFC_RX_STATUS                  0x0c
  17 #define TEGRA210_SFC_RX_INT_STATUS              0x10
  18 #define TEGRA210_SFC_RX_INT_MASK                0x14
  19 #define TEGRA210_SFC_RX_INT_SET                 0x18
  20 #define TEGRA210_SFC_RX_INT_CLEAR               0x1c
  21 #define TEGRA210_SFC_RX_CIF_CTRL                0x20
  22 #define TEGRA210_SFC_RX_FREQ                    0x24
  23
  24 /*
  25  * SFC_TX registers are with respect to XBAR.
  26  * The data goes out of SFC.
  27  */
  28 #define TEGRA210_SFC_TX_STATUS                  0x4c
  29 #define TEGRA210_SFC_TX_INT_STATUS              0x50
  30 #define TEGRA210_SFC_TX_INT_MASK                0x54
  31 #define TEGRA210_SFC_TX_INT_SET                 0x58
  32 #define TEGRA210_SFC_TX_INT_CLEAR               0x5c
  33 #define TEGRA210_SFC_TX_CIF_CTRL                0x60
  34 #define TEGRA210_SFC_TX_FREQ                    0x64
  35
  36 /* Register offsets from TEGRA210_SFC*_BASE */
  37 #define TEGRA210_SFC_ENABLE                     0x80
  38 #define TEGRA210_SFC_SOFT_RESET                 0x84
  39 #define TEGRA210_SFC_CG                         0x88
  40 #define TEGRA210_SFC_STATUS                     0x8c
  41 #define TEGRA210_SFC_INT_STATUS                 0x90
  42 #define TEGRA210_SFC_COEF_RAM                   0xbc
  43 #define TEGRA210_SFC_CFG_RAM_CTRL               0xc0
  44 #define TEGRA210_SFC_CFG_RAM_DATA               0xc4
  45
  46 /* Fields in TEGRA210_SFC_ENABLE */
  47 #define TEGRA210_SFC_EN_SHIFT                   0
  48 #define TEGRA210_SFC_EN                         (1 << TEGRA210_SFC_EN_SHIFT)
  49
  50 #define TEGRA210_SFC_NUM_RATES 12
  51
  52 /* Fields in TEGRA210_SFC_COEF_RAM */
  53 #define TEGRA210_SFC_COEF_RAM_EN                BIT(0)
  54
  55 #define TEGRA210_SFC_SOFT_RESET_EN              BIT(0)
  56
  57 /* Coefficients */
  58 #define TEGRA210_SFC_COEF_RAM_DEPTH             64
  59 #define TEGRA210_SFC_RAM_CTRL_RW_WRITE          (1 << 14)
  60 #define TEGRA210_SFC_RAM_CTRL_ADDR_INIT_EN      (1 << 13)
  61 #define TEGRA210_SFC_RAM_CTRL_SEQ_ACCESS_EN     (1 << 12)
  62
  63
  64 enum tegra210_sfc_path {
  65         SFC_RX_PATH,
  66         SFC_TX_PATH,
  67         SFC_PATHS,
  68 };
  69
  70 struct tegra210_sfc {
  71         unsigned int mono_to_stereo[SFC_PATHS];
  72         unsigned int stereo_to_mono[SFC_PATHS];
  73         unsigned int srate_out;
  74         unsigned int srate_in;
  75         struct regmap *regmap;
  76 };
  77
  78 #endif