sound/soc/codecs/tas2770.h

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * ALSA SoC TAS2770 codec driver
   4  *
   5  *  Copyright (C) 2016-2017 Texas Instruments Incorporated - https://www.ti.com/
   6  */
   7 #ifndef __TAS2770__
   8 #define __TAS2770__
   9
  10 /* Book Control Register (available in page0 of each book) */
  11 #define TAS2770_BOOKCTL_PAGE            0
  12 #define TAS2770_BOOKCTL_REG         127
  13 #define TAS2770_REG(page, reg)        ((page * 128) + reg)
  14     /* Page */
  15 #define TAS2770_PAGE  TAS2770_REG(0X0, 0x00)
  16 #define TAS2770_PAGE_PAGE_MASK  255
  17     /* Software Reset */
  18 #define TAS2770_SW_RST  TAS2770_REG(0X0, 0x01)
  19 #define TAS2770_RST  BIT(0)
  20     /* Power Control */
  21 #define TAS2770_PWR_CTRL  TAS2770_REG(0X0, 0x02)
  22 #define TAS2770_PWR_CTRL_MASK  GENMASK(1, 0)
  23 #define TAS2770_PWR_CTRL_ACTIVE  0x0
  24 #define TAS2770_PWR_CTRL_MUTE  BIT(0)
  25 #define TAS2770_PWR_CTRL_SHUTDOWN  0x2
  26     /* Playback Configuration Reg0 */
  27 #define TAS2770_PLAY_CFG_REG0  TAS2770_REG(0X0, 0x03)
  28     /* Playback Configuration Reg1 */
  29 #define TAS2770_PLAY_CFG_REG1  TAS2770_REG(0X0, 0x04)
  30     /* Playback Configuration Reg2 */
  31 #define TAS2770_PLAY_CFG_REG2  TAS2770_REG(0X0, 0x05)
  32 #define TAS2770_PLAY_CFG_REG2_VMAX 0xc9
  33     /* Misc Configuration Reg0 */
  34 #define TAS2770_MSC_CFG_REG0  TAS2770_REG(0X0, 0x07)
  35     /* TDM Configuration Reg0 */
  36 #define TAS2770_TDM_CFG_REG0  TAS2770_REG(0X0, 0x0A)
  37 #define TAS2770_TDM_CFG_REG0_SMP_MASK  BIT(5)
  38 #define TAS2770_TDM_CFG_REG0_SMP_48KHZ  0x0
  39 #define TAS2770_TDM_CFG_REG0_SMP_44_1KHZ  BIT(5)
  40 #define TAS2770_TDM_CFG_REG0_31_MASK  GENMASK(3, 1)
  41 #define TAS2770_TDM_CFG_REG0_31_44_1_48KHZ  0x6
  42 #define TAS2770_TDM_CFG_REG0_31_88_2_96KHZ  0x8
  43 #define TAS2770_TDM_CFG_REG0_31_176_4_192KHZ  0xa
  44 #define TAS2770_TDM_CFG_REG0_FPOL_MASK  BIT(0)
  45 #define TAS2770_TDM_CFG_REG0_FPOL_RSING  0
  46 #define TAS2770_TDM_CFG_REG0_FPOL_FALING  1
  47     /* TDM Configuration Reg1 */
  48 #define TAS2770_TDM_CFG_REG1  TAS2770_REG(0X0, 0x0B)
  49 #define TAS2770_TDM_CFG_REG1_MASK       GENMASK(5, 1)
  50 #define TAS2770_TDM_CFG_REG1_51_SHIFT  1
  51 #define TAS2770_TDM_CFG_REG1_RX_MASK  BIT(0)
  52 #define TAS2770_TDM_CFG_REG1_RX_RSING  0x0
  53 #define TAS2770_TDM_CFG_REG1_RX_FALING  BIT(0)
  54     /* TDM Configuration Reg2 */
  55 #define TAS2770_TDM_CFG_REG2  TAS2770_REG(0X0, 0x0C)
  56 #define TAS2770_TDM_CFG_REG2_RXW_MASK   GENMASK(3, 2)
  57 #define TAS2770_TDM_CFG_REG2_RXW_16BITS  0x0
  58 #define TAS2770_TDM_CFG_REG2_RXW_24BITS  0x8
  59 #define TAS2770_TDM_CFG_REG2_RXW_32BITS  0xc
  60 #define TAS2770_TDM_CFG_REG2_RXS_MASK    GENMASK(1, 0)
  61 #define TAS2770_TDM_CFG_REG2_RXS_16BITS  0x0
  62 #define TAS2770_TDM_CFG_REG2_RXS_24BITS  BIT(0)
  63 #define TAS2770_TDM_CFG_REG2_RXS_32BITS  0x2
  64     /* TDM Configuration Reg3 */
  65 #define TAS2770_TDM_CFG_REG3  TAS2770_REG(0X0, 0x0D)
  66 #define TAS2770_TDM_CFG_REG3_RXS_MASK  GENMASK(7, 4)
  67 #define TAS2770_TDM_CFG_REG3_RXS_SHIFT 0x4
  68 #define TAS2770_TDM_CFG_REG3_30_MASK  GENMASK(3, 0)
  69 #define TAS2770_TDM_CFG_REG3_30_SHIFT 0
  70     /* TDM Configuration Reg5 */
  71 #define TAS2770_TDM_CFG_REG5  TAS2770_REG(0X0, 0x0F)
  72 #define TAS2770_TDM_CFG_REG5_VSNS_MASK  BIT(6)
  73 #define TAS2770_TDM_CFG_REG5_VSNS_ENABLE  BIT(6)
  74 #define TAS2770_TDM_CFG_REG5_50_MASK    GENMASK(5, 0)
  75     /* TDM Configuration Reg6 */
  76 #define TAS2770_TDM_CFG_REG6  TAS2770_REG(0X0, 0x10)
  77 #define TAS2770_TDM_CFG_REG6_ISNS_MASK  BIT(6)
  78 #define TAS2770_TDM_CFG_REG6_ISNS_ENABLE  BIT(6)
  79 #define TAS2770_TDM_CFG_REG6_50_MASK  GENMASK(5, 0)
  80     /* Brown Out Prevention Reg0 */
  81 #define TAS2770_BO_PRV_REG0  TAS2770_REG(0X0, 0x1B)
  82     /* Interrupt MASK Reg0 */
  83 #define TAS2770_INT_MASK_REG0  TAS2770_REG(0X0, 0x20)
  84 #define TAS2770_INT_REG0_DEFAULT  0xfc
  85 #define TAS2770_INT_MASK_REG0_DISABLE 0xff
  86     /* Interrupt MASK Reg1 */
  87 #define TAS2770_INT_MASK_REG1  TAS2770_REG(0X0, 0x21)
  88 #define TAS2770_INT_REG1_DEFAULT  0xb1
  89 #define TAS2770_INT_MASK_REG1_DISABLE 0xff
  90     /* Live-Interrupt Reg0 */
  91 #define TAS2770_LVE_INT_REG0  TAS2770_REG(0X0, 0x22)
  92     /* Live-Interrupt Reg1 */
  93 #define TAS2770_LVE_INT_REG1  TAS2770_REG(0X0, 0x23)
  94     /* Latched-Interrupt Reg0 */
  95 #define TAS2770_LAT_INT_REG0  TAS2770_REG(0X0, 0x24)
  96 #define TAS2770_LAT_INT_REG0_OCE_FLG  BIT(1)
  97 #define TAS2770_LAT_INT_REG0_OTE_FLG  BIT(0)
  98     /* Latched-Interrupt Reg1 */
  99 #define TAS2770_LAT_INT_REG1  TAS2770_REG(0X0, 0x25)
 100 #define TAS2770_LAT_INT_REG1_VBA_TOV  BIT(3)
 101 #define TAS2770_LAT_INT_REG1_VBA_TUV  BIT(2)
 102 #define TAS2770_LAT_INT_REG1_BOUT_FLG  BIT(1)
 103     /* VBAT MSB */
 104 #define TAS2770_VBAT_MSB  TAS2770_REG(0X0, 0x27)
 105     /* VBAT LSB */
 106 #define TAS2770_VBAT_LSB  TAS2770_REG(0X0, 0x28)
 107     /* TEMP MSB */
 108 #define TAS2770_TEMP_MSB  TAS2770_REG(0X0, 0x29)
 109     /* TEMP LSB */
 110 #define TAS2770_TEMP_LSB  TAS2770_REG(0X0, 0x2A)
 111     /* Interrupt Configuration */
 112 #define TAS2770_INT_CFG  TAS2770_REG(0X0, 0x30)
 113     /* Misc IRQ */
 114 #define TAS2770_MISC_IRQ  TAS2770_REG(0X0, 0x32)
 115     /* Clock Configuration */
 116 #define TAS2770_CLK_CGF  TAS2770_REG(0X0, 0x3C)
 117     /* TDM Clock detection monitor */
 118 #define TAS2770_TDM_CLK_DETC  TAS2770_REG(0X0, 0x77)
 119     /* Revision and PG ID */
 120 #define TAS2770_REV_AND_GPID  TAS2770_REG(0X0, 0x7D)
 121
 122 #define TAS2770_POWER_ACTIVE    0
 123 #define TAS2770_POWER_MUTE      BIT(0)
 124 #define TAS2770_POWER_SHUTDOWN  BIT(1)
 125
 126 #define ERROR_OVER_CURRENT  BIT(0)
 127 #define ERROR_DIE_OVERTEMP  BIT(1)
 128 #define ERROR_OVER_VOLTAGE  BIT(2)
 129 #define ERROR_UNDER_VOLTAGE BIT(3)
 130 #define ERROR_BROWNOUT      BIT(4)
 131 #define ERROR_CLASSD_PWR    BIT(5)
 132
 133 struct tas2770_priv {
 134         struct snd_soc_component *component;
 135         struct gpio_desc *reset_gpio;
 136         struct gpio_desc *sdz_gpio;
 137         struct regmap *regmap;
 138         struct device *dev;
 139         int v_sense_slot;
 140         int i_sense_slot;
 141         bool dac_powered;
 142         bool unmuted;
 143 };
 144
 145 #endif /* __TAS2770__ */