| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | /* |
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| 3 | * Texas Instruments PCM186x Universal Audio ADC |
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| 4 | * |
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| 5 | * Copyright (C) 2015-2017 Texas Instruments Incorporated - https://www.ti.com |
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| 6 | * Andreas Dannenberg <dannenberg@ti.com> |
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| 7 | * Andrew F. Davis <afd@ti.com> |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef _PCM186X_H_ |
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| 11 | #define _PCM186X_H_ |
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| 12 | |
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| 13 | #include <linux/pm.h> |
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| 14 | #include <linux/regmap.h> |
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| 15 | |
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| 16 | enum pcm186x_type { |
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| 17 | PCM1862, |
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| 18 | PCM1863, |
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| 19 | PCM1864, |
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| 20 | PCM1865, |
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| 21 | }; |
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| 22 | |
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| 23 | #define PCM186X_RATES SNDRV_PCM_RATE_8000_192000 |
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| 24 | #define PCM186X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ |
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| 25 | SNDRV_PCM_FMTBIT_S20_3LE |\ |
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| 26 | SNDRV_PCM_FMTBIT_S24_LE | \ |
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| 27 | SNDRV_PCM_FMTBIT_S32_LE) |
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| 28 | |
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| 29 | #define PCM186X_PAGE_LEN 0x0100 |
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| 30 | #define PCM186X_PAGE_BASE(n) (PCM186X_PAGE_LEN * n) |
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| 31 | |
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| 32 | /* The page selection register address is the same on all pages */ |
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| 33 | #define PCM186X_PAGE 0 |
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| 34 | |
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| 35 | /* Register Definitions - Page 0 */ |
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| 36 | #define PCM186X_PGA_VAL_CH1_L (PCM186X_PAGE_BASE(0) + 1) |
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| 37 | #define PCM186X_PGA_VAL_CH1_R (PCM186X_PAGE_BASE(0) + 2) |
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| 38 | #define PCM186X_PGA_VAL_CH2_L (PCM186X_PAGE_BASE(0) + 3) |
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| 39 | #define PCM186X_PGA_VAL_CH2_R (PCM186X_PAGE_BASE(0) + 4) |
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| 40 | #define PCM186X_PGA_CTRL (PCM186X_PAGE_BASE(0) + 5) |
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| 41 | #define PCM186X_ADC1_INPUT_SEL_L (PCM186X_PAGE_BASE(0) + 6) |
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| 42 | #define PCM186X_ADC1_INPUT_SEL_R (PCM186X_PAGE_BASE(0) + 7) |
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| 43 | #define PCM186X_ADC2_INPUT_SEL_L (PCM186X_PAGE_BASE(0) + 8) |
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| 44 | #define PCM186X_ADC2_INPUT_SEL_R (PCM186X_PAGE_BASE(0) + 9) |
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| 45 | #define PCM186X_AUXADC_INPUT_SEL (PCM186X_PAGE_BASE(0) + 10) |
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| 46 | #define PCM186X_PCM_CFG (PCM186X_PAGE_BASE(0) + 11) |
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| 47 | #define PCM186X_TDM_TX_SEL (PCM186X_PAGE_BASE(0) + 12) |
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| 48 | #define PCM186X_TDM_TX_OFFSET (PCM186X_PAGE_BASE(0) + 13) |
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| 49 | #define PCM186X_TDM_RX_OFFSET (PCM186X_PAGE_BASE(0) + 14) |
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| 50 | #define PCM186X_DPGA_VAL_CH1_L (PCM186X_PAGE_BASE(0) + 15) |
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| 51 | #define PCM186X_GPIO1_0_CTRL (PCM186X_PAGE_BASE(0) + 16) |
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| 52 | #define PCM186X_GPIO3_2_CTRL (PCM186X_PAGE_BASE(0) + 17) |
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| 53 | #define PCM186X_GPIO1_0_DIR_CTRL (PCM186X_PAGE_BASE(0) + 18) |
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| 54 | #define PCM186X_GPIO3_2_DIR_CTRL (PCM186X_PAGE_BASE(0) + 19) |
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| 55 | #define PCM186X_GPIO_IN_OUT (PCM186X_PAGE_BASE(0) + 20) |
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| 56 | #define PCM186X_GPIO_PULL_CTRL (PCM186X_PAGE_BASE(0) + 21) |
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| 57 | #define PCM186X_DPGA_VAL_CH1_R (PCM186X_PAGE_BASE(0) + 22) |
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| 58 | #define PCM186X_DPGA_VAL_CH2_L (PCM186X_PAGE_BASE(0) + 23) |
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| 59 | #define PCM186X_DPGA_VAL_CH2_R (PCM186X_PAGE_BASE(0) + 24) |
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| 60 | #define PCM186X_DPGA_GAIN_CTRL (PCM186X_PAGE_BASE(0) + 25) |
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| 61 | #define PCM186X_DPGA_MIC_CTRL (PCM186X_PAGE_BASE(0) + 26) |
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| 62 | #define PCM186X_DIN_RESAMP_CTRL (PCM186X_PAGE_BASE(0) + 27) |
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| 63 | #define PCM186X_CLK_CTRL (PCM186X_PAGE_BASE(0) + 32) |
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| 64 | #define PCM186X_DSP1_CLK_DIV (PCM186X_PAGE_BASE(0) + 33) |
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| 65 | #define PCM186X_DSP2_CLK_DIV (PCM186X_PAGE_BASE(0) + 34) |
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| 66 | #define PCM186X_ADC_CLK_DIV (PCM186X_PAGE_BASE(0) + 35) |
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| 67 | #define PCM186X_PLL_SCK_DIV (PCM186X_PAGE_BASE(0) + 37) |
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| 68 | #define PCM186X_BCK_DIV (PCM186X_PAGE_BASE(0) + 38) |
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| 69 | #define PCM186X_LRK_DIV (PCM186X_PAGE_BASE(0) + 39) |
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| 70 | #define PCM186X_PLL_CTRL (PCM186X_PAGE_BASE(0) + 40) |
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| 71 | #define PCM186X_PLL_P_DIV (PCM186X_PAGE_BASE(0) + 41) |
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| 72 | #define PCM186X_PLL_R_DIV (PCM186X_PAGE_BASE(0) + 42) |
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| 73 | #define PCM186X_PLL_J_DIV (PCM186X_PAGE_BASE(0) + 43) |
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| 74 | #define PCM186X_PLL_D_DIV_LSB (PCM186X_PAGE_BASE(0) + 44) |
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| 75 | #define PCM186X_PLL_D_DIV_MSB (PCM186X_PAGE_BASE(0) + 45) |
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| 76 | #define PCM186X_SIGDET_MODE (PCM186X_PAGE_BASE(0) + 48) |
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| 77 | #define PCM186X_SIGDET_MASK (PCM186X_PAGE_BASE(0) + 49) |
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| 78 | #define PCM186X_SIGDET_STAT (PCM186X_PAGE_BASE(0) + 50) |
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| 79 | #define PCM186X_SIGDET_LOSS_TIME (PCM186X_PAGE_BASE(0) + 52) |
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| 80 | #define PCM186X_SIGDET_SCAN_TIME (PCM186X_PAGE_BASE(0) + 53) |
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| 81 | #define PCM186X_SIGDET_INT_INTVL (PCM186X_PAGE_BASE(0) + 54) |
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| 82 | #define PCM186X_SIGDET_DC_REF_CH1_L (PCM186X_PAGE_BASE(0) + 64) |
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| 83 | #define PCM186X_SIGDET_DC_DIFF_CH1_L (PCM186X_PAGE_BASE(0) + 65) |
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| 84 | #define PCM186X_SIGDET_DC_LEV_CH1_L (PCM186X_PAGE_BASE(0) + 66) |
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| 85 | #define PCM186X_SIGDET_DC_REF_CH1_R (PCM186X_PAGE_BASE(0) + 67) |
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| 86 | #define PCM186X_SIGDET_DC_DIFF_CH1_R (PCM186X_PAGE_BASE(0) + 68) |
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| 87 | #define PCM186X_SIGDET_DC_LEV_CH1_R (PCM186X_PAGE_BASE(0) + 69) |
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| 88 | #define PCM186X_SIGDET_DC_REF_CH2_L (PCM186X_PAGE_BASE(0) + 70) |
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| 89 | #define PCM186X_SIGDET_DC_DIFF_CH2_L (PCM186X_PAGE_BASE(0) + 71) |
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| 90 | #define PCM186X_SIGDET_DC_LEV_CH2_L (PCM186X_PAGE_BASE(0) + 72) |
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| 91 | #define PCM186X_SIGDET_DC_REF_CH2_R (PCM186X_PAGE_BASE(0) + 73) |
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| 92 | #define PCM186X_SIGDET_DC_DIFF_CH2_R (PCM186X_PAGE_BASE(0) + 74) |
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| 93 | #define PCM186X_SIGDET_DC_LEV_CH2_R (PCM186X_PAGE_BASE(0) + 75) |
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| 94 | #define PCM186X_SIGDET_DC_REF_CH3_L (PCM186X_PAGE_BASE(0) + 76) |
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| 95 | #define PCM186X_SIGDET_DC_DIFF_CH3_L (PCM186X_PAGE_BASE(0) + 77) |
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| 96 | #define PCM186X_SIGDET_DC_LEV_CH3_L (PCM186X_PAGE_BASE(0) + 78) |
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| 97 | #define PCM186X_SIGDET_DC_REF_CH3_R (PCM186X_PAGE_BASE(0) + 79) |
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| 98 | #define PCM186X_SIGDET_DC_DIFF_CH3_R (PCM186X_PAGE_BASE(0) + 80) |
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| 99 | #define PCM186X_SIGDET_DC_LEV_CH3_R (PCM186X_PAGE_BASE(0) + 81) |
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| 100 | #define PCM186X_SIGDET_DC_REF_CH4_L (PCM186X_PAGE_BASE(0) + 82) |
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| 101 | #define PCM186X_SIGDET_DC_DIFF_CH4_L (PCM186X_PAGE_BASE(0) + 83) |
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| 102 | #define PCM186X_SIGDET_DC_LEV_CH4_L (PCM186X_PAGE_BASE(0) + 84) |
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| 103 | #define PCM186X_SIGDET_DC_REF_CH4_R (PCM186X_PAGE_BASE(0) + 85) |
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| 104 | #define PCM186X_SIGDET_DC_DIFF_CH4_R (PCM186X_PAGE_BASE(0) + 86) |
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| 105 | #define PCM186X_SIGDET_DC_LEV_CH4_R (PCM186X_PAGE_BASE(0) + 87) |
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| 106 | #define PCM186X_AUXADC_DATA_CTRL (PCM186X_PAGE_BASE(0) + 88) |
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| 107 | #define PCM186X_AUXADC_DATA_LSB (PCM186X_PAGE_BASE(0) + 89) |
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| 108 | #define PCM186X_AUXADC_DATA_MSB (PCM186X_PAGE_BASE(0) + 90) |
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| 109 | #define PCM186X_INT_ENABLE (PCM186X_PAGE_BASE(0) + 96) |
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| 110 | #define PCM186X_INT_FLAG (PCM186X_PAGE_BASE(0) + 97) |
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| 111 | #define PCM186X_INT_POL_WIDTH (PCM186X_PAGE_BASE(0) + 98) |
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| 112 | #define PCM186X_POWER_CTRL (PCM186X_PAGE_BASE(0) + 112) |
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| 113 | #define PCM186X_FILTER_MUTE_CTRL (PCM186X_PAGE_BASE(0) + 113) |
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| 114 | #define PCM186X_DEVICE_STATUS (PCM186X_PAGE_BASE(0) + 114) |
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| 115 | #define PCM186X_FSAMPLE_STATUS (PCM186X_PAGE_BASE(0) + 115) |
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| 116 | #define PCM186X_DIV_STATUS (PCM186X_PAGE_BASE(0) + 116) |
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| 117 | #define PCM186X_CLK_STATUS (PCM186X_PAGE_BASE(0) + 117) |
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| 118 | #define PCM186X_SUPPLY_STATUS (PCM186X_PAGE_BASE(0) + 120) |
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| 119 | |
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| 120 | /* Register Definitions - Page 1 */ |
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| 121 | #define PCM186X_MMAP_STAT_CTRL (PCM186X_PAGE_BASE(1) + 1) |
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| 122 | #define PCM186X_MMAP_ADDRESS (PCM186X_PAGE_BASE(1) + 2) |
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| 123 | #define PCM186X_MEM_WDATA0 (PCM186X_PAGE_BASE(1) + 4) |
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| 124 | #define PCM186X_MEM_WDATA1 (PCM186X_PAGE_BASE(1) + 5) |
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| 125 | #define PCM186X_MEM_WDATA2 (PCM186X_PAGE_BASE(1) + 6) |
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| 126 | #define PCM186X_MEM_WDATA3 (PCM186X_PAGE_BASE(1) + 7) |
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| 127 | #define PCM186X_MEM_RDATA0 (PCM186X_PAGE_BASE(1) + 8) |
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| 128 | #define PCM186X_MEM_RDATA1 (PCM186X_PAGE_BASE(1) + 9) |
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| 129 | #define PCM186X_MEM_RDATA2 (PCM186X_PAGE_BASE(1) + 10) |
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| 130 | #define PCM186X_MEM_RDATA3 (PCM186X_PAGE_BASE(1) + 11) |
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| 131 | |
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| 132 | /* Register Definitions - Page 3 */ |
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| 133 | #define PCM186X_OSC_PWR_DOWN_CTRL (PCM186X_PAGE_BASE(3) + 18) |
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| 134 | #define PCM186X_MIC_BIAS_CTRL (PCM186X_PAGE_BASE(3) + 21) |
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| 135 | |
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| 136 | /* Register Definitions - Page 253 */ |
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| 137 | #define PCM186X_CURR_TRIM_CTRL (PCM186X_PAGE_BASE(253) + 20) |
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| 138 | |
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| 139 | #define PCM186X_MAX_REGISTER PCM186X_CURR_TRIM_CTRL |
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| 140 | |
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| 141 | /* PCM186X_PAGE */ |
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| 142 | #define PCM186X_RESET 0xfe |
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| 143 | |
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| 144 | /* PCM186X_ADCX_INPUT_SEL_X */ |
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| 145 | #define PCM186X_ADC_INPUT_SEL_POL BIT(7) |
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| 146 | #define PCM186X_ADC_INPUT_SEL_MASK GENMASK(5, 0) |
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| 147 | |
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| 148 | /* PCM186X_PCM_CFG */ |
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| 149 | #define PCM186X_PCM_CFG_RX_WLEN_MASK GENMASK(7, 6) |
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| 150 | #define PCM186X_PCM_CFG_RX_WLEN_SHIFT 6 |
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| 151 | #define PCM186X_PCM_CFG_RX_WLEN_32 0x00 |
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| 152 | #define PCM186X_PCM_CFG_RX_WLEN_24 0x01 |
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| 153 | #define PCM186X_PCM_CFG_RX_WLEN_20 0x02 |
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| 154 | #define PCM186X_PCM_CFG_RX_WLEN_16 0x03 |
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| 155 | #define PCM186X_PCM_CFG_TDM_LRCK_MODE BIT(4) |
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| 156 | #define PCM186X_PCM_CFG_TX_WLEN_MASK GENMASK(3, 2) |
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| 157 | #define PCM186X_PCM_CFG_TX_WLEN_SHIFT 2 |
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| 158 | #define PCM186X_PCM_CFG_TX_WLEN_32 0x00 |
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| 159 | #define PCM186X_PCM_CFG_TX_WLEN_24 0x01 |
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| 160 | #define PCM186X_PCM_CFG_TX_WLEN_20 0x02 |
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| 161 | #define PCM186X_PCM_CFG_TX_WLEN_16 0x03 |
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| 162 | #define PCM186X_PCM_CFG_FMT_MASK GENMASK(1, 0) |
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| 163 | #define PCM186X_PCM_CFG_FMT_SHIFT 0 |
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| 164 | #define PCM186X_PCM_CFG_FMT_I2S 0x00 |
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| 165 | #define PCM186X_PCM_CFG_FMT_LEFTJ 0x01 |
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| 166 | #define PCM186X_PCM_CFG_FMT_RIGHTJ 0x02 |
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| 167 | #define PCM186X_PCM_CFG_FMT_TDM 0x03 |
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| 168 | |
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| 169 | /* PCM186X_TDM_TX_SEL */ |
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| 170 | #define PCM186X_TDM_TX_SEL_2CH 0x00 |
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| 171 | #define PCM186X_TDM_TX_SEL_4CH 0x01 |
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| 172 | #define PCM186X_TDM_TX_SEL_6CH 0x02 |
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| 173 | #define PCM186X_TDM_TX_SEL_MASK 0x03 |
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| 174 | |
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| 175 | /* PCM186X_CLK_CTRL */ |
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| 176 | #define PCM186X_CLK_CTRL_SCK_XI_SEL1 BIT(7) |
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| 177 | #define PCM186X_CLK_CTRL_SCK_XI_SEL0 BIT(6) |
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| 178 | #define PCM186X_CLK_CTRL_SCK_SRC_PLL BIT(5) |
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| 179 | #define PCM186X_CLK_CTRL_MST_MODE BIT(4) |
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| 180 | #define PCM186X_CLK_CTRL_ADC_SRC_PLL BIT(3) |
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| 181 | #define PCM186X_CLK_CTRL_DSP2_SRC_PLL BIT(2) |
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| 182 | #define PCM186X_CLK_CTRL_DSP1_SRC_PLL BIT(1) |
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| 183 | #define PCM186X_CLK_CTRL_CLKDET_EN BIT(0) |
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| 184 | |
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| 185 | /* PCM186X_PLL_CTRL */ |
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| 186 | #define PCM186X_PLL_CTRL_LOCK BIT(4) |
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| 187 | #define PCM186X_PLL_CTRL_REF_SEL BIT(1) |
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| 188 | #define PCM186X_PLL_CTRL_EN BIT(0) |
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| 189 | |
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| 190 | /* PCM186X_POWER_CTRL */ |
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| 191 | #define PCM186X_PWR_CTRL_PWRDN BIT(2) |
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| 192 | #define PCM186X_PWR_CTRL_SLEEP BIT(1) |
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| 193 | #define PCM186X_PWR_CTRL_STBY BIT(0) |
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| 194 | |
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| 195 | /* PCM186X_CLK_STATUS */ |
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| 196 | #define PCM186X_CLK_STATUS_LRCKHLT BIT(6) |
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| 197 | #define PCM186X_CLK_STATUS_BCKHLT BIT(5) |
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| 198 | #define PCM186X_CLK_STATUS_SCKHLT BIT(4) |
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| 199 | #define PCM186X_CLK_STATUS_LRCKERR BIT(2) |
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| 200 | #define PCM186X_CLK_STATUS_BCKERR BIT(1) |
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| 201 | #define PCM186X_CLK_STATUS_SCKERR BIT(0) |
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| 202 | |
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| 203 | /* PCM186X_SUPPLY_STATUS */ |
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| 204 | #define PCM186X_SUPPLY_STATUS_DVDD BIT(2) |
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| 205 | #define PCM186X_SUPPLY_STATUS_AVDD BIT(1) |
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| 206 | #define PCM186X_SUPPLY_STATUS_LDO BIT(0) |
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| 207 | |
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| 208 | /* PCM186X_MMAP_STAT_CTRL */ |
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| 209 | #define PCM186X_MMAP_STAT_DONE BIT(4) |
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| 210 | #define PCM186X_MMAP_STAT_BUSY BIT(2) |
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| 211 | #define PCM186X_MMAP_STAT_R_REQ BIT(1) |
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| 212 | #define PCM186X_MMAP_STAT_W_REQ BIT(0) |
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| 213 | |
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| 214 | extern const struct regmap_config pcm186x_regmap; |
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| 215 | |
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| 216 | int pcm186x_probe(struct device *dev, enum pcm186x_type type, int irq, |
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| 217 | struct regmap *regmap); |
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| 218 | |
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| 219 | #endif /* _PCM186X_H_ */ |
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| 220 | |
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