sound/soc/codecs/tas2552.h

   1 /*
   2  * tas2552.h - ALSA SoC Texas Instruments TAS2552 Mono Audio Amplifier
   3  *
   4  * Copyright (C) 2014 Texas Instruments Incorporated -  http://www.ti.com
   5  *
   6  * Author: Dan Murphy <dmurphy@ti.com>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * version 2 as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  */
  17
  18 #ifndef __TAS2552_H__
  19 #define __TAS2552_H__
  20
  21 /* Register Address Map */
  22 #define TAS2552_DEVICE_STATUS   0x00
  23 #define TAS2552_CFG_1                   0x01
  24 #define TAS2552_CFG_2                   0x02
  25 #define TAS2552_CFG_3                   0x03
  26 #define TAS2552_DOUT                    0x04
  27 #define TAS2552_SER_CTRL_1              0x05
  28 #define TAS2552_SER_CTRL_2              0x06
  29 #define TAS2552_OUTPUT_DATA             0x07
  30 #define TAS2552_PLL_CTRL_1              0x08
  31 #define TAS2552_PLL_CTRL_2              0x09
  32 #define TAS2552_PLL_CTRL_3              0x0a
  33 #define TAS2552_BTIP                    0x0b
  34 #define TAS2552_BTS_CTRL                0x0c
  35 #define TAS2552_RESERVED_0D             0x0d
  36 #define TAS2552_LIMIT_RATE_HYS  0x0e
  37 #define TAS2552_LIMIT_RELEASE   0x0f
  38 #define TAS2552_LIMIT_INT_COUNT 0x10
  39 #define TAS2552_PDM_CFG                 0x11
  40 #define TAS2552_PGA_GAIN                0x12
  41 #define TAS2552_EDGE_RATE_CTRL  0x13
  42 #define TAS2552_BOOST_PT_CTRL   0x14
  43 #define TAS2552_VER_NUM                 0x16
  44 #define TAS2552_VBAT_DATA               0x19
  45 #define TAS2552_MAX_REG                 0x20
  46
  47 /* CFG1 Register Masks */
  48 #define TAS2552_MUTE_MASK               (1 << 2)
  49 #define TAS2552_SWS_MASK                (1 << 1)
  50 #define TAS2552_WCLK_MASK               0x07
  51 #define TAS2552_CLASSD_EN_MASK  (1 << 7)
  52
  53 /* CFG2 Register Masks */
  54 #define TAS2552_CLASSD_EN               (1 << 7)
  55 #define TAS2552_BOOST_EN                (1 << 6)
  56 #define TAS2552_APT_EN                  (1 << 5)
  57 #define TAS2552_PLL_ENABLE              (1 << 3)
  58 #define TAS2552_LIM_EN                  (1 << 2)
  59 #define TAS2552_IVSENSE_EN              (1 << 1)
  60
  61 /* CFG3 Register Masks */
  62 #define TAS2552_WORD_CLK_MASK           (1 << 7)
  63 #define TAS2552_BIT_CLK_MASK            (1 << 6)
  64 #define TAS2552_DATA_FORMAT_MASK        (0x11 << 2)
  65
  66 #define TAS2552_DAIFMT_I2S_MASK         0xf3
  67 #define TAS2552_DAIFMT_DSP                      (1 << 3)
  68 #define TAS2552_DAIFMT_RIGHT_J          (1 << 4)
  69 #define TAS2552_DAIFMT_LEFT_J           (0x11 << 3)
  70
  71 #define TAS2552_PLL_SRC_MCLK    0x00
  72 #define TAS2552_PLL_SRC_BCLK    (1 << 3)
  73 #define TAS2552_PLL_SRC_IVCLKIN (1 << 4)
  74 #define TAS2552_PLL_SRC_1_8_FIXED (0x11 << 3)
  75
  76 #define TAS2552_DIN_SRC_SEL_MUTED       0x00
  77 #define TAS2552_DIN_SRC_SEL_LEFT        (1 << 4)
  78 #define TAS2552_DIN_SRC_SEL_RIGHT       (1 << 5)
  79 #define TAS2552_DIN_SRC_SEL_AVG_L_R     (0x11 << 4)
  80
  81 #define TAS2552_PDM_IN_SEL              (1 << 5)
  82 #define TAS2552_I2S_OUT_SEL             (1 << 6)
  83 #define TAS2552_ANALOG_IN_SEL   (1 << 7)
  84
  85 /* CFG3 WCLK Dividers */
  86 #define TAS2552_8KHZ            0x00
  87 #define TAS2552_11_12KHZ        (1 << 1)
  88 #define TAS2552_16KHZ           (1 << 2)
  89 #define TAS2552_22_24KHZ        (1 << 3)
  90 #define TAS2552_32KHZ           (1 << 4)
  91 #define TAS2552_44_48KHZ        (1 << 5)
  92 #define TAS2552_88_96KHZ        (1 << 6)
  93 #define TAS2552_176_192KHZ      (1 << 7)
  94
  95 /* OUTPUT_DATA register */
  96 #define TAS2552_PDM_DATA_I              0x00
  97 #define TAS2552_PDM_DATA_V              (1 << 6)
  98 #define TAS2552_PDM_DATA_I_V    (1 << 7)
  99 #define TAS2552_PDM_DATA_V_I    (0x11 << 6)
 100
 101 /* PDM CFG Register */
 102 #define TAS2552_PDM_DATA_ES_RISE 0x4
 103
 104 #define TAS2552_PDM_PLL_CLK_SEL 0x00
 105 #define TAS2552_PDM_IV_CLK_SEL  (1 << 1)
 106 #define TAS2552_PDM_BCLK_SEL    (1 << 2)
 107 #define TAS2552_PDM_MCLK_SEL    (1 << 3)
 108
 109 /* Boost pass-through register */
 110 #define TAS2552_APT_DELAY_50    0x00
 111 #define TAS2552_APT_DELAY_75    (1 << 1)
 112 #define TAS2552_APT_DELAY_125   (1 << 2)
 113 #define TAS2552_APT_DELAY_200   (1 << 3)
 114
 115 #define TAS2552_APT_THRESH_2_5          0x00
 116 #define TAS2552_APT_THRESH_1_7          (1 << 3)
 117 #define TAS2552_APT_THRESH_1_4_1_1      (1 << 4)
 118 #define TAS2552_APT_THRESH_2_1_7        (0x11 << 2)
 119
 120 /* PLL Control Register */
 121 #define TAS2552_245MHZ_CLK                      24576000
 122 #define TAS2552_225MHZ_CLK                      22579200
 123 #define TAS2552_PLL_J_MASK                      0x7f
 124 #define TAS2552_PLL_D_UPPER_MASK        0x3f
 125 #define TAS2552_PLL_D_LOWER_MASK        0xff
 126 #define TAS2552_PLL_BYPASS_MASK         0x80
 127 #define TAS2552_PLL_BYPASS                      0x80
 128
 129 #endif