sound/soc/rockchip/rockchip_i2s.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * sound/soc/rockchip/rockchip_i2s.h
   4  *
   5  * ALSA SoC Audio Layer - Rockchip I2S Controller driver
   6  *
   7  * Copyright (c) 2014 Rockchip Electronics Co. Ltd.
   8  * Author: Jianqun xu <jay.xu@rock-chips.com>
   9  */
  10
  11 #ifndef _ROCKCHIP_IIS_H
  12 #define _ROCKCHIP_IIS_H
  13
  14 /*
  15  * TXCR
  16  * transmit operation control register
  17 */
  18 #define I2S_TXCR_RCNT_SHIFT     17
  19 #define I2S_TXCR_RCNT_MASK      (0x3f << I2S_TXCR_RCNT_SHIFT)
  20 #define I2S_TXCR_CSR_SHIFT      15
  21 #define I2S_TXCR_CSR(x)         (x << I2S_TXCR_CSR_SHIFT)
  22 #define I2S_TXCR_CSR_MASK       (3 << I2S_TXCR_CSR_SHIFT)
  23 #define I2S_TXCR_HWT            BIT(14)
  24 #define I2S_TXCR_SJM_SHIFT      12
  25 #define I2S_TXCR_SJM_R          (0 << I2S_TXCR_SJM_SHIFT)
  26 #define I2S_TXCR_SJM_L          (1 << I2S_TXCR_SJM_SHIFT)
  27 #define I2S_TXCR_FBM_SHIFT      11
  28 #define I2S_TXCR_FBM_MSB        (0 << I2S_TXCR_FBM_SHIFT)
  29 #define I2S_TXCR_FBM_LSB        (1 << I2S_TXCR_FBM_SHIFT)
  30 #define I2S_TXCR_IBM_SHIFT      9
  31 #define I2S_TXCR_IBM_NORMAL     (0 << I2S_TXCR_IBM_SHIFT)
  32 #define I2S_TXCR_IBM_LSJM       (1 << I2S_TXCR_IBM_SHIFT)
  33 #define I2S_TXCR_IBM_RSJM       (2 << I2S_TXCR_IBM_SHIFT)
  34 #define I2S_TXCR_IBM_MASK       (3 << I2S_TXCR_IBM_SHIFT)
  35 #define I2S_TXCR_PBM_SHIFT      7
  36 #define I2S_TXCR_PBM_MODE(x)    (x << I2S_TXCR_PBM_SHIFT)
  37 #define I2S_TXCR_PBM_MASK       (3 << I2S_TXCR_PBM_SHIFT)
  38 #define I2S_TXCR_TFS_SHIFT      5
  39 #define I2S_TXCR_TFS_I2S        (0 << I2S_TXCR_TFS_SHIFT)
  40 #define I2S_TXCR_TFS_PCM        (1 << I2S_TXCR_TFS_SHIFT)
  41 #define I2S_TXCR_TFS_MASK       (1 << I2S_TXCR_TFS_SHIFT)
  42 #define I2S_TXCR_VDW_SHIFT      0
  43 #define I2S_TXCR_VDW(x)         ((x - 1) << I2S_TXCR_VDW_SHIFT)
  44 #define I2S_TXCR_VDW_MASK       (0x1f << I2S_TXCR_VDW_SHIFT)
  45
  46 /*
  47  * RXCR
  48  * receive operation control register
  49 */
  50 #define I2S_RXCR_CSR_SHIFT      15
  51 #define I2S_RXCR_CSR(x)         (x << I2S_RXCR_CSR_SHIFT)
  52 #define I2S_RXCR_CSR_MASK       (3 << I2S_RXCR_CSR_SHIFT)
  53 #define I2S_RXCR_HWT            BIT(14)
  54 #define I2S_RXCR_SJM_SHIFT      12
  55 #define I2S_RXCR_SJM_R          (0 << I2S_RXCR_SJM_SHIFT)
  56 #define I2S_RXCR_SJM_L          (1 << I2S_RXCR_SJM_SHIFT)
  57 #define I2S_RXCR_FBM_SHIFT      11
  58 #define I2S_RXCR_FBM_MSB        (0 << I2S_RXCR_FBM_SHIFT)
  59 #define I2S_RXCR_FBM_LSB        (1 << I2S_RXCR_FBM_SHIFT)
  60 #define I2S_RXCR_IBM_SHIFT      9
  61 #define I2S_RXCR_IBM_NORMAL     (0 << I2S_RXCR_IBM_SHIFT)
  62 #define I2S_RXCR_IBM_LSJM       (1 << I2S_RXCR_IBM_SHIFT)
  63 #define I2S_RXCR_IBM_RSJM       (2 << I2S_RXCR_IBM_SHIFT)
  64 #define I2S_RXCR_IBM_MASK       (3 << I2S_RXCR_IBM_SHIFT)
  65 #define I2S_RXCR_PBM_SHIFT      7
  66 #define I2S_RXCR_PBM_MODE(x)    (x << I2S_RXCR_PBM_SHIFT)
  67 #define I2S_RXCR_PBM_MASK       (3 << I2S_RXCR_PBM_SHIFT)
  68 #define I2S_RXCR_TFS_SHIFT      5
  69 #define I2S_RXCR_TFS_I2S        (0 << I2S_RXCR_TFS_SHIFT)
  70 #define I2S_RXCR_TFS_PCM        (1 << I2S_RXCR_TFS_SHIFT)
  71 #define I2S_RXCR_TFS_MASK       (1 << I2S_RXCR_TFS_SHIFT)
  72 #define I2S_RXCR_VDW_SHIFT      0
  73 #define I2S_RXCR_VDW(x)         ((x - 1) << I2S_RXCR_VDW_SHIFT)
  74 #define I2S_RXCR_VDW_MASK       (0x1f << I2S_RXCR_VDW_SHIFT)
  75
  76 /*
  77  * CKR
  78  * clock generation register
  79 */
  80 #define I2S_CKR_TRCM_SHIFT      28
  81 #define I2S_CKR_TRCM(x) (x << I2S_CKR_TRCM_SHIFT)
  82 #define I2S_CKR_TRCM_TXRX       (0 << I2S_CKR_TRCM_SHIFT)
  83 #define I2S_CKR_TRCM_TXONLY     (1 << I2S_CKR_TRCM_SHIFT)
  84 #define I2S_CKR_TRCM_RXONLY     (2 << I2S_CKR_TRCM_SHIFT)
  85 #define I2S_CKR_TRCM_MASK       (3 << I2S_CKR_TRCM_SHIFT)
  86 #define I2S_CKR_MSS_SHIFT       27
  87 #define I2S_CKR_MSS_MASTER      (0 << I2S_CKR_MSS_SHIFT)
  88 #define I2S_CKR_MSS_SLAVE       (1 << I2S_CKR_MSS_SHIFT)
  89 #define I2S_CKR_MSS_MASK        (1 << I2S_CKR_MSS_SHIFT)
  90 #define I2S_CKR_CKP_SHIFT       26
  91 #define I2S_CKR_CKP_NORMAL      (0 << I2S_CKR_CKP_SHIFT)
  92 #define I2S_CKR_CKP_INVERTED    (1 << I2S_CKR_CKP_SHIFT)
  93 #define I2S_CKR_CKP_MASK        (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_INVERTED    (1 << I2S_CKR_RLP_SHIFT)
  97 #define I2S_CKR_RLP_MASK        (1 << I2S_CKR_RLP_SHIFT)
  98 #define I2S_CKR_TLP_SHIFT       24
  99 #define I2S_CKR_TLP_NORMAL      (0 << I2S_CKR_TLP_SHIFT)
 100 #define I2S_CKR_TLP_INVERTED    (1 << I2S_CKR_TLP_SHIFT)
 101 #define I2S_CKR_TLP_MASK        (1 << I2S_CKR_TLP_SHIFT)
 102 #define I2S_CKR_MDIV_SHIFT      16
 103 #define I2S_CKR_MDIV(x)         ((x - 1) << I2S_CKR_MDIV_SHIFT)
 104 #define I2S_CKR_MDIV_MASK       (0xff << I2S_CKR_MDIV_SHIFT)
 105 #define I2S_CKR_RSD_SHIFT       8
 106 #define I2S_CKR_RSD(x)          ((x - 1) << I2S_CKR_RSD_SHIFT)
 107 #define I2S_CKR_RSD_MASK        (0xff << I2S_CKR_RSD_SHIFT)
 108 #define I2S_CKR_TSD_SHIFT       0
 109 #define I2S_CKR_TSD(x)          ((x - 1) << I2S_CKR_TSD_SHIFT)
 110 #define I2S_CKR_TSD_MASK        (0xff << I2S_CKR_TSD_SHIFT)
 111
 112 /*
 113  * FIFOLR
 114  * FIFO level register
 115 */
 116 #define I2S_FIFOLR_RFL_SHIFT    24
 117 #define I2S_FIFOLR_RFL_MASK     (0x3f << I2S_FIFOLR_RFL_SHIFT)
 118 #define I2S_FIFOLR_TFL3_SHIFT   18
 119 #define I2S_FIFOLR_TFL3_MASK    (0x3f << I2S_FIFOLR_TFL3_SHIFT)
 120 #define I2S_FIFOLR_TFL2_SHIFT   12
 121 #define I2S_FIFOLR_TFL2_MASK    (0x3f << I2S_FIFOLR_TFL2_SHIFT)
 122 #define I2S_FIFOLR_TFL1_SHIFT   6
 123 #define I2S_FIFOLR_TFL1_MASK    (0x3f << I2S_FIFOLR_TFL1_SHIFT)
 124 #define I2S_FIFOLR_TFL0_SHIFT   0
 125 #define I2S_FIFOLR_TFL0_MASK    (0x3f << I2S_FIFOLR_TFL0_SHIFT)
 126
 127 /*
 128  * DMACR
 129  * DMA control register
 130 */
 131 #define I2S_DMACR_RDE_SHIFT     24
 132 #define I2S_DMACR_RDE_DISABLE   (0 << I2S_DMACR_RDE_SHIFT)
 133 #define I2S_DMACR_RDE_ENABLE    (1 << I2S_DMACR_RDE_SHIFT)
 134 #define I2S_DMACR_RDL_SHIFT     16
 135 #define I2S_DMACR_RDL(x)        ((x - 1) << I2S_DMACR_RDL_SHIFT)
 136 #define I2S_DMACR_RDL_MASK      (0x1f << I2S_DMACR_RDL_SHIFT)
 137 #define I2S_DMACR_TDE_SHIFT     8
 138 #define I2S_DMACR_TDE_DISABLE   (0 << I2S_DMACR_TDE_SHIFT)
 139 #define I2S_DMACR_TDE_ENABLE    (1 << I2S_DMACR_TDE_SHIFT)
 140 #define I2S_DMACR_TDL_SHIFT     0
 141 #define I2S_DMACR_TDL(x)        ((x) << I2S_DMACR_TDL_SHIFT)
 142 #define I2S_DMACR_TDL_MASK      (0x1f << I2S_DMACR_TDL_SHIFT)
 143
 144 /*
 145  * INTCR
 146  * interrupt control register
 147 */
 148 #define I2S_INTCR_RFT_SHIFT     20
 149 #define I2S_INTCR_RFT(x)        ((x - 1) << I2S_INTCR_RFT_SHIFT)
 150 #define I2S_INTCR_RXOIC         BIT(18)
 151 #define I2S_INTCR_RXOIE_SHIFT   17
 152 #define I2S_INTCR_RXOIE_DISABLE (0 << I2S_INTCR_RXOIE_SHIFT)
 153 #define I2S_INTCR_RXOIE_ENABLE  (1 << I2S_INTCR_RXOIE_SHIFT)
 154 #define I2S_INTCR_RXFIE_SHIFT   16
 155 #define I2S_INTCR_RXFIE_DISABLE (0 << I2S_INTCR_RXFIE_SHIFT)
 156 #define I2S_INTCR_RXFIE_ENABLE  (1 << I2S_INTCR_RXFIE_SHIFT)
 157 #define I2S_INTCR_TFT_SHIFT     4
 158 #define I2S_INTCR_TFT(x)        ((x - 1) << I2S_INTCR_TFT_SHIFT)
 159 #define I2S_INTCR_TFT_MASK      (0x1f << I2S_INTCR_TFT_SHIFT)
 160 #define I2S_INTCR_TXUIC         BIT(2)
 161 #define I2S_INTCR_TXUIE_SHIFT   1
 162 #define I2S_INTCR_TXUIE_DISABLE (0 << I2S_INTCR_TXUIE_SHIFT)
 163 #define I2S_INTCR_TXUIE_ENABLE  (1 << I2S_INTCR_TXUIE_SHIFT)
 164
 165 /*
 166  * INTSR
 167  * interrupt status register
 168 */
 169 #define I2S_INTSR_TXEIE_SHIFT   0
 170 #define I2S_INTSR_TXEIE_DISABLE (0 << I2S_INTSR_TXEIE_SHIFT)
 171 #define I2S_INTSR_TXEIE_ENABLE  (1 << I2S_INTSR_TXEIE_SHIFT)
 172 #define I2S_INTSR_RXOI_SHIFT    17
 173 #define I2S_INTSR_RXOI_INA      (0 << I2S_INTSR_RXOI_SHIFT)
 174 #define I2S_INTSR_RXOI_ACT      (1 << I2S_INTSR_RXOI_SHIFT)
 175 #define I2S_INTSR_RXFI_SHIFT    16
 176 #define I2S_INTSR_RXFI_INA      (0 << I2S_INTSR_RXFI_SHIFT)
 177 #define I2S_INTSR_RXFI_ACT      (1 << I2S_INTSR_RXFI_SHIFT)
 178 #define I2S_INTSR_TXUI_SHIFT    1
 179 #define I2S_INTSR_TXUI_INA      (0 << I2S_INTSR_TXUI_SHIFT)
 180 #define I2S_INTSR_TXUI_ACT      (1 << I2S_INTSR_TXUI_SHIFT)
 181 #define I2S_INTSR_TXEI_SHIFT    0
 182 #define I2S_INTSR_TXEI_INA      (0 << I2S_INTSR_TXEI_SHIFT)
 183 #define I2S_INTSR_TXEI_ACT      (1 << I2S_INTSR_TXEI_SHIFT)
 184
 185 /*
 186  * XFER
 187  * Transfer start register
 188 */
 189 #define I2S_XFER_RXS_SHIFT      1
 190 #define I2S_XFER_RXS_STOP       (0 << I2S_XFER_RXS_SHIFT)
 191 #define I2S_XFER_RXS_START      (1 << I2S_XFER_RXS_SHIFT)
 192 #define I2S_XFER_TXS_SHIFT      0
 193 #define I2S_XFER_TXS_STOP       (0 << I2S_XFER_TXS_SHIFT)
 194 #define I2S_XFER_TXS_START      (1 << I2S_XFER_TXS_SHIFT)
 195
 196 /*
 197  * CLR
 198  * clear SCLK domain logic register
 199 */
 200 #define I2S_CLR_RXC     BIT(1)
 201 #define I2S_CLR_TXC     BIT(0)
 202
 203 /*
 204  * TXDR
 205  * Transimt FIFO data register, write only.
 206 */
 207 #define I2S_TXDR_MASK   (0xff)
 208
 209 /*
 210  * RXDR
 211  * Receive FIFO data register, write only.
 212 */
 213 #define I2S_RXDR_MASK   (0xff)
 214
 215 /* Clock divider id */
 216 enum {
 217         ROCKCHIP_DIV_MCLK = 0,
 218         ROCKCHIP_DIV_BCLK,
 219 };
 220
 221 /* channel select */
 222 #define I2S_CSR_SHIFT   15
 223 #define I2S_CHN_2       (0 << I2S_CSR_SHIFT)
 224 #define I2S_CHN_4       (1 << I2S_CSR_SHIFT)
 225 #define I2S_CHN_6       (2 << I2S_CSR_SHIFT)
 226 #define I2S_CHN_8       (3 << I2S_CSR_SHIFT)
 227
 228 /* I2S REGS */
 229 #define I2S_TXCR        (0x0000)
 230 #define I2S_RXCR        (0x0004)
 231 #define I2S_CKR         (0x0008)
 232 #define I2S_FIFOLR      (0x000c)
 233 #define I2S_DMACR       (0x0010)
 234 #define I2S_INTCR       (0x0014)
 235 #define I2S_INTSR       (0x0018)
 236 #define I2S_XFER        (0x001c)
 237 #define I2S_CLR         (0x0020)
 238 #define I2S_TXDR        (0x0024)
 239 #define I2S_RXDR        (0x0028)
 240
 241 /* io direction cfg register */
 242 #define I2S_IO_DIRECTION_MASK   (7)
 243 #define I2S_IO_8CH_OUT_2CH_IN   (0)
 244 #define I2S_IO_6CH_OUT_4CH_IN   (4)
 245 #define I2S_IO_4CH_OUT_6CH_IN   (6)
 246 #define I2S_IO_2CH_OUT_8CH_IN   (7)
 247
 248 #endif /* _ROCKCHIP_IIS_H */