sound/soc/rockchip/rockchip_i2s.h

   1 /*
   2  * sound/soc/rockchip/rockchip_i2s.h
   3  *
   4  * ALSA SoC Audio Layer - Rockchip I2S Controller driver
   5  *
   6  * Copyright (c) 2014 Rockchip Electronics Co. Ltd.
   7  * Author: Jianqun xu <jay.xu@rock-chips.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #ifndef _ROCKCHIP_IIS_H
  15 #define _ROCKCHIP_IIS_H
  16
  17 /*
  18  * TXCR
  19  * transmit operation control register
  20 */
  21 #define I2S_TXCR_RCNT_SHIFT     17
  22 #define I2S_TXCR_RCNT_MASK      (0x3f << I2S_TXCR_RCNT_SHIFT)
  23 #define I2S_TXCR_CSR_SHIFT      15
  24 #define I2S_TXCR_CSR(x)         (x << I2S_TXCR_CSR_SHIFT)
  25 #define I2S_TXCR_CSR_MASK       (3 << I2S_TXCR_CSR_SHIFT)
  26 #define I2S_TXCR_HWT            BIT(14)
  27 #define I2S_TXCR_SJM_SHIFT      12
  28 #define I2S_TXCR_SJM_R          (0 << I2S_TXCR_SJM_SHIFT)
  29 #define I2S_TXCR_SJM_L          (1 << I2S_TXCR_SJM_SHIFT)
  30 #define I2S_TXCR_FBM_SHIFT      11
  31 #define I2S_TXCR_FBM_MSB        (0 << I2S_TXCR_FBM_SHIFT)
  32 #define I2S_TXCR_FBM_LSB        (1 << I2S_TXCR_FBM_SHIFT)
  33 #define I2S_TXCR_IBM_SHIFT      9
  34 #define I2S_TXCR_IBM_NORMAL     (0 << I2S_TXCR_IBM_SHIFT)
  35 #define I2S_TXCR_IBM_LSJM       (1 << I2S_TXCR_IBM_SHIFT)
  36 #define I2S_TXCR_IBM_RSJM       (2 << I2S_TXCR_IBM_SHIFT)
  37 #define I2S_TXCR_IBM_MASK       (3 << I2S_TXCR_IBM_SHIFT)
  38 #define I2S_TXCR_PBM_SHIFT      7
  39 #define I2S_TXCR_PBM_MODE(x)    (x << I2S_TXCR_PBM_SHIFT)
  40 #define I2S_TXCR_PBM_MASK       (3 << I2S_TXCR_PBM_SHIFT)
  41 #define I2S_TXCR_TFS_SHIFT      5
  42 #define I2S_TXCR_TFS_I2S        (0 << I2S_TXCR_TFS_SHIFT)
  43 #define I2S_TXCR_TFS_PCM        (1 << I2S_TXCR_TFS_SHIFT)
  44 #define I2S_TXCR_VDW_SHIFT      0
  45 #define I2S_TXCR_VDW(x)         ((x - 1) << I2S_TXCR_VDW_SHIFT)
  46 #define I2S_TXCR_VDW_MASK       (0x1f << I2S_TXCR_VDW_SHIFT)
  47
  48 /*
  49  * RXCR
  50  * receive operation control register
  51 */
  52 #define I2S_RXCR_CSR_SHIFT      15
  53 #define I2S_RXCR_CSR(x)         (x << I2S_RXCR_CSR_SHIFT)
  54 #define I2S_RXCR_CSR_MASK       (3 << I2S_RXCR_CSR_SHIFT)
  55 #define I2S_RXCR_HWT            BIT(14)
  56 #define I2S_RXCR_SJM_SHIFT      12
  57 #define I2S_RXCR_SJM_R          (0 << I2S_RXCR_SJM_SHIFT)
  58 #define I2S_RXCR_SJM_L          (1 << I2S_RXCR_SJM_SHIFT)
  59 #define I2S_RXCR_FBM_SHIFT      11
  60 #define I2S_RXCR_FBM_MSB        (0 << I2S_RXCR_FBM_SHIFT)
  61 #define I2S_RXCR_FBM_LSB        (1 << I2S_RXCR_FBM_SHIFT)
  62 #define I2S_RXCR_IBM_SHIFT      9
  63 #define I2S_RXCR_IBM_NORMAL     (0 << I2S_RXCR_IBM_SHIFT)
  64 #define I2S_RXCR_IBM_LSJM       (1 << I2S_RXCR_IBM_SHIFT)
  65 #define I2S_RXCR_IBM_RSJM       (2 << I2S_RXCR_IBM_SHIFT)
  66 #define I2S_RXCR_IBM_MASK       (3 << I2S_RXCR_IBM_SHIFT)
  67 #define I2S_RXCR_PBM_SHIFT      7
  68 #define I2S_RXCR_PBM_MODE(x)    (x << I2S_RXCR_PBM_SHIFT)
  69 #define I2S_RXCR_PBM_MASK       (3 << I2S_RXCR_PBM_SHIFT)
  70 #define I2S_RXCR_TFS_SHIFT      5
  71 #define I2S_RXCR_TFS_I2S        (0 << I2S_RXCR_TFS_SHIFT)
  72 #define I2S_RXCR_TFS_PCM        (1 << I2S_RXCR_TFS_SHIFT)
  73 #define I2S_RXCR_VDW_SHIFT      0
  74 #define I2S_RXCR_VDW(x)         ((x - 1) << I2S_RXCR_VDW_SHIFT)
  75 #define I2S_RXCR_VDW_MASK       (0x1f << I2S_RXCR_VDW_SHIFT)
  76
  77 /*
  78  * CKR
  79  * clock generation register
  80 */
  81 #define I2S_CKR_TRCM_SHIFT      28
  82 #define I2S_CKR_TRCM(x) (x << I2S_CKR_TRCM_SHIFT)
  83 #define I2S_CKR_TRCM_TXRX       (0 << I2S_CKR_TRCM_SHIFT)
  84 #define I2S_CKR_TRCM_TXONLY     (1 << I2S_CKR_TRCM_SHIFT)
  85 #define I2S_CKR_TRCM_RXONLY     (2 << I2S_CKR_TRCM_SHIFT)
  86 #define I2S_CKR_TRCM_MASK       (3 << I2S_CKR_TRCM_SHIFT)
  87 #define I2S_CKR_MSS_SHIFT       27
  88 #define I2S_CKR_MSS_MASTER      (0 << I2S_CKR_MSS_SHIFT)
  89 #define I2S_CKR_MSS_SLAVE       (1 << I2S_CKR_MSS_SHIFT)
  90 #define I2S_CKR_MSS_MASK        (1 << I2S_CKR_MSS_SHIFT)
  91 #define I2S_CKR_CKP_SHIFT       26
  92 #define I2S_CKR_CKP_NEG         (0 << I2S_CKR_CKP_SHIFT)
  93 #define I2S_CKR_CKP_POS         (1 << I2S_CKR_CKP_SHIFT)
  94 #define I2S_CKR_RLP_SHIFT       25
  95 #define I2S_CKR_RLP_NORMAL      (0 << I2S_CKR_RLP_SHIFT)
  96 #define I2S_CKR_RLP_OPPSITE     (1 << I2S_CKR_RLP_SHIFT)
  97 #define I2S_CKR_TLP_SHIFT       24
  98 #define I2S_CKR_TLP_NORMAL      (0 << I2S_CKR_TLP_SHIFT)
  99 #define I2S_CKR_TLP_OPPSITE     (1 << I2S_CKR_TLP_SHIFT)
 100 #define I2S_CKR_MDIV_SHIFT      16
 101 #define I2S_CKR_MDIV(x)         ((x - 1) << I2S_CKR_MDIV_SHIFT)
 102 #define I2S_CKR_MDIV_MASK       (0xff << I2S_CKR_MDIV_SHIFT)
 103 #define I2S_CKR_RSD_SHIFT       8
 104 #define I2S_CKR_RSD(x)          ((x - 1) << I2S_CKR_RSD_SHIFT)
 105 #define I2S_CKR_RSD_MASK        (0xff << I2S_CKR_RSD_SHIFT)
 106 #define I2S_CKR_TSD_SHIFT       0
 107 #define I2S_CKR_TSD(x)          ((x - 1) << I2S_CKR_TSD_SHIFT)
 108 #define I2S_CKR_TSD_MASK        (0xff << I2S_CKR_TSD_SHIFT)
 109
 110 /*
 111  * FIFOLR
 112  * FIFO level register
 113 */
 114 #define I2S_FIFOLR_RFL_SHIFT    24
 115 #define I2S_FIFOLR_RFL_MASK     (0x3f << I2S_FIFOLR_RFL_SHIFT)
 116 #define I2S_FIFOLR_TFL3_SHIFT   18
 117 #define I2S_FIFOLR_TFL3_MASK    (0x3f << I2S_FIFOLR_TFL3_SHIFT)
 118 #define I2S_FIFOLR_TFL2_SHIFT   12
 119 #define I2S_FIFOLR_TFL2_MASK    (0x3f << I2S_FIFOLR_TFL2_SHIFT)
 120 #define I2S_FIFOLR_TFL1_SHIFT   6
 121 #define I2S_FIFOLR_TFL1_MASK    (0x3f << I2S_FIFOLR_TFL1_SHIFT)
 122 #define I2S_FIFOLR_TFL0_SHIFT   0
 123 #define I2S_FIFOLR_TFL0_MASK    (0x3f << I2S_FIFOLR_TFL0_SHIFT)
 124
 125 /*
 126  * DMACR
 127  * DMA control register
 128 */
 129 #define I2S_DMACR_RDE_SHIFT     24
 130 #define I2S_DMACR_RDE_DISABLE   (0 << I2S_DMACR_RDE_SHIFT)
 131 #define I2S_DMACR_RDE_ENABLE    (1 << I2S_DMACR_RDE_SHIFT)
 132 #define I2S_DMACR_RDL_SHIFT     16
 133 #define I2S_DMACR_RDL(x)        ((x - 1) << I2S_DMACR_RDL_SHIFT)
 134 #define I2S_DMACR_RDL_MASK      (0x1f << I2S_DMACR_RDL_SHIFT)
 135 #define I2S_DMACR_TDE_SHIFT     8
 136 #define I2S_DMACR_TDE_DISABLE   (0 << I2S_DMACR_TDE_SHIFT)
 137 #define I2S_DMACR_TDE_ENABLE    (1 << I2S_DMACR_TDE_SHIFT)
 138 #define I2S_DMACR_TDL_SHIFT     0
 139 #define I2S_DMACR_TDL(x)        ((x) << I2S_DMACR_TDL_SHIFT)
 140 #define I2S_DMACR_TDL_MASK      (0x1f << I2S_DMACR_TDL_SHIFT)
 141
 142 /*
 143  * INTCR
 144  * interrupt control register
 145 */
 146 #define I2S_INTCR_RFT_SHIFT     20
 147 #define I2S_INTCR_RFT(x)        ((x - 1) << I2S_INTCR_RFT_SHIFT)
 148 #define I2S_INTCR_RXOIC         BIT(18)
 149 #define I2S_INTCR_RXOIE_SHIFT   17
 150 #define I2S_INTCR_RXOIE_DISABLE (0 << I2S_INTCR_RXOIE_SHIFT)
 151 #define I2S_INTCR_RXOIE_ENABLE  (1 << I2S_INTCR_RXOIE_SHIFT)
 152 #define I2S_INTCR_RXFIE_SHIFT   16
 153 #define I2S_INTCR_RXFIE_DISABLE (0 << I2S_INTCR_RXFIE_SHIFT)
 154 #define I2S_INTCR_RXFIE_ENABLE  (1 << I2S_INTCR_RXFIE_SHIFT)
 155 #define I2S_INTCR_TFT_SHIFT     4
 156 #define I2S_INTCR_TFT(x)        ((x - 1) << I2S_INTCR_TFT_SHIFT)
 157 #define I2S_INTCR_TFT_MASK      (0x1f << I2S_INTCR_TFT_SHIFT)
 158 #define I2S_INTCR_TXUIC         BIT(2)
 159 #define I2S_INTCR_TXUIE_SHIFT   1
 160 #define I2S_INTCR_TXUIE_DISABLE (0 << I2S_INTCR_TXUIE_SHIFT)
 161 #define I2S_INTCR_TXUIE_ENABLE  (1 << I2S_INTCR_TXUIE_SHIFT)
 162
 163 /*
 164  * INTSR
 165  * interrupt status register
 166 */
 167 #define I2S_INTSR_TXEIE_SHIFT   0
 168 #define I2S_INTSR_TXEIE_DISABLE (0 << I2S_INTSR_TXEIE_SHIFT)
 169 #define I2S_INTSR_TXEIE_ENABLE  (1 << I2S_INTSR_TXEIE_SHIFT)
 170 #define I2S_INTSR_RXOI_SHIFT    17
 171 #define I2S_INTSR_RXOI_INA      (0 << I2S_INTSR_RXOI_SHIFT)
 172 #define I2S_INTSR_RXOI_ACT      (1 << I2S_INTSR_RXOI_SHIFT)
 173 #define I2S_INTSR_RXFI_SHIFT    16
 174 #define I2S_INTSR_RXFI_INA      (0 << I2S_INTSR_RXFI_SHIFT)
 175 #define I2S_INTSR_RXFI_ACT      (1 << I2S_INTSR_RXFI_SHIFT)
 176 #define I2S_INTSR_TXUI_SHIFT    1
 177 #define I2S_INTSR_TXUI_INA      (0 << I2S_INTSR_TXUI_SHIFT)
 178 #define I2S_INTSR_TXUI_ACT      (1 << I2S_INTSR_TXUI_SHIFT)
 179 #define I2S_INTSR_TXEI_SHIFT    0
 180 #define I2S_INTSR_TXEI_INA      (0 << I2S_INTSR_TXEI_SHIFT)
 181 #define I2S_INTSR_TXEI_ACT      (1 << I2S_INTSR_TXEI_SHIFT)
 182
 183 /*
 184  * XFER
 185  * Transfer start register
 186 */
 187 #define I2S_XFER_RXS_SHIFT      1
 188 #define I2S_XFER_RXS_STOP       (0 << I2S_XFER_RXS_SHIFT)
 189 #define I2S_XFER_RXS_START      (1 << I2S_XFER_RXS_SHIFT)
 190 #define I2S_XFER_TXS_SHIFT      0
 191 #define I2S_XFER_TXS_STOP       (0 << I2S_XFER_TXS_SHIFT)
 192 #define I2S_XFER_TXS_START      (1 << I2S_XFER_TXS_SHIFT)
 193
 194 /*
 195  * CLR
 196  * clear SCLK domain logic register
 197 */
 198 #define I2S_CLR_RXC     BIT(1)
 199 #define I2S_CLR_TXC     BIT(0)
 200
 201 /*
 202  * TXDR
 203  * Transimt FIFO data register, write only.
 204 */
 205 #define I2S_TXDR_MASK   (0xff)
 206
 207 /*
 208  * RXDR
 209  * Receive FIFO data register, write only.
 210 */
 211 #define I2S_RXDR_MASK   (0xff)
 212
 213 /* Clock divider id */
 214 enum {
 215         ROCKCHIP_DIV_MCLK = 0,
 216         ROCKCHIP_DIV_BCLK,
 217 };
 218
 219 /* channel select */
 220 #define I2S_CSR_SHIFT   15
 221 #define I2S_CHN_2       (0 << I2S_CSR_SHIFT)
 222 #define I2S_CHN_4       (1 << I2S_CSR_SHIFT)
 223 #define I2S_CHN_6       (2 << I2S_CSR_SHIFT)
 224 #define I2S_CHN_8       (3 << I2S_CSR_SHIFT)
 225
 226 /* I2S REGS */
 227 #define I2S_TXCR        (0x0000)
 228 #define I2S_RXCR        (0x0004)
 229 #define I2S_CKR         (0x0008)
 230 #define I2S_FIFOLR      (0x000c)
 231 #define I2S_DMACR       (0x0010)
 232 #define I2S_INTCR       (0x0014)
 233 #define I2S_INTSR       (0x0018)
 234 #define I2S_XFER        (0x001c)
 235 #define I2S_CLR         (0x0020)
 236 #define I2S_TXDR        (0x0024)
 237 #define I2S_RXDR        (0x0028)
 238
 239 /* io direction cfg register */
 240 #define I2S_IO_DIRECTION_MASK   (7)
 241 #define I2S_IO_8CH_OUT_2CH_IN   (0)
 242 #define I2S_IO_6CH_OUT_4CH_IN   (4)
 243 #define I2S_IO_4CH_OUT_6CH_IN   (6)
 244 #define I2S_IO_2CH_OUT_8CH_IN   (7)
 245
 246 #endif /* _ROCKCHIP_IIS_H */