sound/soc/davinci/davinci-mcasp.h

   1 /*
   2  * ALSA SoC McASP Audio Layer for TI DAVINCI processor
   3  *
   4  * MCASP related definitions
   5  *
   6  * Author: Nirmal Pandey <n-pandey@ti.com>,
   7  *         Suresh Rajashekara <suresh.r@ti.com>
   8  *         Steve Chen <schen@.mvista.com>
   9  *
  10  * Copyright:   (C) 2009 MontaVista Software, Inc., <source@mvista.com>
  11  * Copyright:   (C) 2009  Texas Instruments, India
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16  */
  17
  18 #ifndef DAVINCI_MCASP_H
  19 #define DAVINCI_MCASP_H
  20
  21 /*
  22  * McASP register definitions
  23  */
  24 #define DAVINCI_MCASP_PID_REG           0x00
  25 #define DAVINCI_MCASP_PWREMUMGT_REG     0x04
  26
  27 #define DAVINCI_MCASP_PFUNC_REG         0x10
  28 #define DAVINCI_MCASP_PDIR_REG          0x14
  29 #define DAVINCI_MCASP_PDOUT_REG         0x18
  30 #define DAVINCI_MCASP_PDSET_REG         0x1c
  31
  32 #define DAVINCI_MCASP_PDCLR_REG         0x20
  33
  34 #define DAVINCI_MCASP_TLGC_REG          0x30
  35 #define DAVINCI_MCASP_TLMR_REG          0x34
  36
  37 #define DAVINCI_MCASP_GBLCTL_REG        0x44
  38 #define DAVINCI_MCASP_AMUTE_REG         0x48
  39 #define DAVINCI_MCASP_LBCTL_REG         0x4c
  40
  41 #define DAVINCI_MCASP_TXDITCTL_REG      0x50
  42
  43 #define DAVINCI_MCASP_GBLCTLR_REG       0x60
  44 #define DAVINCI_MCASP_RXMASK_REG        0x64
  45 #define DAVINCI_MCASP_RXFMT_REG         0x68
  46 #define DAVINCI_MCASP_RXFMCTL_REG       0x6c
  47
  48 #define DAVINCI_MCASP_ACLKRCTL_REG      0x70
  49 #define DAVINCI_MCASP_AHCLKRCTL_REG     0x74
  50 #define DAVINCI_MCASP_RXTDM_REG         0x78
  51 #define DAVINCI_MCASP_EVTCTLR_REG       0x7c
  52
  53 #define DAVINCI_MCASP_RXSTAT_REG        0x80
  54 #define DAVINCI_MCASP_RXTDMSLOT_REG     0x84
  55 #define DAVINCI_MCASP_RXCLKCHK_REG      0x88
  56 #define DAVINCI_MCASP_REVTCTL_REG       0x8c
  57
  58 #define DAVINCI_MCASP_GBLCTLX_REG       0xa0
  59 #define DAVINCI_MCASP_TXMASK_REG        0xa4
  60 #define DAVINCI_MCASP_TXFMT_REG         0xa8
  61 #define DAVINCI_MCASP_TXFMCTL_REG       0xac
  62
  63 #define DAVINCI_MCASP_ACLKXCTL_REG      0xb0
  64 #define DAVINCI_MCASP_AHCLKXCTL_REG     0xb4
  65 #define DAVINCI_MCASP_TXTDM_REG         0xb8
  66 #define DAVINCI_MCASP_EVTCTLX_REG       0xbc
  67
  68 #define DAVINCI_MCASP_TXSTAT_REG        0xc0
  69 #define DAVINCI_MCASP_TXTDMSLOT_REG     0xc4
  70 #define DAVINCI_MCASP_TXCLKCHK_REG      0xc8
  71 #define DAVINCI_MCASP_XEVTCTL_REG       0xcc
  72
  73 /* Left(even TDM Slot) Channel Status Register File */
  74 #define DAVINCI_MCASP_DITCSRA_REG       0x100
  75 /* Right(odd TDM slot) Channel Status Register File */
  76 #define DAVINCI_MCASP_DITCSRB_REG       0x118
  77 /* Left(even TDM slot) User Data Register File */
  78 #define DAVINCI_MCASP_DITUDRA_REG       0x130
  79 /* Right(odd TDM Slot) User Data Register File */
  80 #define DAVINCI_MCASP_DITUDRB_REG       0x148
  81
  82 /* Serializer n Control Register */
  83 #define DAVINCI_MCASP_XRSRCTL_BASE_REG  0x180
  84 #define DAVINCI_MCASP_XRSRCTL_REG(n)    (DAVINCI_MCASP_XRSRCTL_BASE_REG + \
  85                                                 (n << 2))
  86
  87 /* Transmit Buffer for Serializer n */
  88 #define DAVINCI_MCASP_TXBUF_REG         0x200
  89 /* Receive Buffer for Serializer n */
  90 #define DAVINCI_MCASP_RXBUF_REG         0x280
  91
  92 /* McASP FIFO Registers */
  93 #define DAVINCI_MCASP_V2_AFIFO_BASE     (0x1010)
  94 #define DAVINCI_MCASP_V3_AFIFO_BASE     (0x1000)
  95
  96 /* FIFO register offsets from AFIFO base */
  97 #define MCASP_WFIFOCTL_OFFSET           (0x0)
  98 #define MCASP_WFIFOSTS_OFFSET           (0x4)
  99 #define MCASP_RFIFOCTL_OFFSET           (0x8)
 100 #define MCASP_RFIFOSTS_OFFSET           (0xc)
 101
 102 /*
 103  * DAVINCI_MCASP_PWREMUMGT_REG - Power Down and Emulation Management
 104  *     Register Bits
 105  */
 106 #define MCASP_FREE      BIT(0)
 107 #define MCASP_SOFT      BIT(1)
 108
 109 /*
 110  * DAVINCI_MCASP_PFUNC_REG - Pin Function / GPIO Enable Register Bits
 111  */
 112 #define AXR(n)          (1<<n)
 113 #define PFUNC_AMUTE     BIT(25)
 114 #define ACLKX           BIT(26)
 115 #define AHCLKX          BIT(27)
 116 #define AFSX            BIT(28)
 117 #define ACLKR           BIT(29)
 118 #define AHCLKR          BIT(30)
 119 #define AFSR            BIT(31)
 120
 121 /*
 122  * DAVINCI_MCASP_PDIR_REG - Pin Direction Register Bits
 123  */
 124 #define AXR(n)          (1<<n)
 125 #define PDIR_AMUTE      BIT(25)
 126 #define ACLKX           BIT(26)
 127 #define AHCLKX          BIT(27)
 128 #define AFSX            BIT(28)
 129 #define ACLKR           BIT(29)
 130 #define AHCLKR          BIT(30)
 131 #define AFSR            BIT(31)
 132
 133 /*
 134  * DAVINCI_MCASP_TXDITCTL_REG - Transmit DIT Control Register Bits
 135  */
 136 #define DITEN   BIT(0)  /* Transmit DIT mode enable/disable */
 137 #define VA      BIT(2)
 138 #define VB      BIT(3)
 139
 140 /*
 141  * DAVINCI_MCASP_TXFMT_REG - Transmit Bitstream Format Register Bits
 142  */
 143 #define TXROT(val)      (val)
 144 #define TXSEL           BIT(3)
 145 #define TXSSZ(val)      (val<<4)
 146 #define TXPBIT(val)     (val<<8)
 147 #define TXPAD(val)      (val<<13)
 148 #define TXORD           BIT(15)
 149 #define FSXDLY(val)     (val<<16)
 150
 151 /*
 152  * DAVINCI_MCASP_RXFMT_REG - Receive Bitstream Format Register Bits
 153  */
 154 #define RXROT(val)      (val)
 155 #define RXSEL           BIT(3)
 156 #define RXSSZ(val)      (val<<4)
 157 #define RXPBIT(val)     (val<<8)
 158 #define RXPAD(val)      (val<<13)
 159 #define RXORD           BIT(15)
 160 #define FSRDLY(val)     (val<<16)
 161
 162 /*
 163  * DAVINCI_MCASP_TXFMCTL_REG -  Transmit Frame Control Register Bits
 164  */
 165 #define FSXPOL          BIT(0)
 166 #define AFSXE           BIT(1)
 167 #define FSXDUR          BIT(4)
 168 #define FSXMOD(val)     (val<<7)
 169
 170 /*
 171  * DAVINCI_MCASP_RXFMCTL_REG - Receive Frame Control Register Bits
 172  */
 173 #define FSRPOL          BIT(0)
 174 #define AFSRE           BIT(1)
 175 #define FSRDUR          BIT(4)
 176 #define FSRMOD(val)     (val<<7)
 177
 178 /*
 179  * DAVINCI_MCASP_ACLKXCTL_REG - Transmit Clock Control Register Bits
 180  */
 181 #define ACLKXDIV(val)   (val)
 182 #define ACLKXE          BIT(5)
 183 #define TX_ASYNC        BIT(6)
 184 #define ACLKXPOL        BIT(7)
 185 #define ACLKXDIV_MASK   0x1f
 186
 187 /*
 188  * DAVINCI_MCASP_ACLKRCTL_REG Receive Clock Control Register Bits
 189  */
 190 #define ACLKRDIV(val)   (val)
 191 #define ACLKRE          BIT(5)
 192 #define RX_ASYNC        BIT(6)
 193 #define ACLKRPOL        BIT(7)
 194 #define ACLKRDIV_MASK   0x1f
 195
 196 /*
 197  * DAVINCI_MCASP_AHCLKXCTL_REG - High Frequency Transmit Clock Control
 198  *     Register Bits
 199  */
 200 #define AHCLKXDIV(val)  (val)
 201 #define AHCLKXPOL       BIT(14)
 202 #define AHCLKXE         BIT(15)
 203 #define AHCLKXDIV_MASK  0xfff
 204
 205 /*
 206  * DAVINCI_MCASP_AHCLKRCTL_REG - High Frequency Receive Clock Control
 207  *     Register Bits
 208  */
 209 #define AHCLKRDIV(val)  (val)
 210 #define AHCLKRPOL       BIT(14)
 211 #define AHCLKRE         BIT(15)
 212 #define AHCLKRDIV_MASK  0xfff
 213
 214 /*
 215  * DAVINCI_MCASP_XRSRCTL_BASE_REG -  Serializer Control Register Bits
 216  */
 217 #define MODE(val)       (val)
 218 #define DISMOD_3STATE   (0x0)
 219 #define DISMOD_LOW      (0x2 << 2)
 220 #define DISMOD_HIGH     (0x3 << 2)
 221 #define DISMOD_MASK     DISMOD_HIGH
 222 #define TXSTATE         BIT(4)
 223 #define RXSTATE         BIT(5)
 224 #define SRMOD_MASK      3
 225 #define SRMOD_INACTIVE  0
 226
 227 /*
 228  * DAVINCI_MCASP_LBCTL_REG - Loop Back Control Register Bits
 229  */
 230 #define LBEN            BIT(0)
 231 #define LBORD           BIT(1)
 232 #define LBGENMODE(val)  (val<<2)
 233
 234 /*
 235  * DAVINCI_MCASP_TXTDMSLOT_REG - Transmit TDM Slot Register configuration
 236  */
 237 #define TXTDMS(n)       (1<<n)
 238
 239 /*
 240  * DAVINCI_MCASP_RXTDMSLOT_REG - Receive TDM Slot Register configuration
 241  */
 242 #define RXTDMS(n)       (1<<n)
 243
 244 /*
 245  * DAVINCI_MCASP_GBLCTL_REG -  Global Control Register Bits
 246  */
 247 #define RXCLKRST        BIT(0)  /* Receiver Clock Divider Reset */
 248 #define RXHCLKRST       BIT(1)  /* Receiver High Frequency Clock Divider */
 249 #define RXSERCLR        BIT(2)  /* Receiver Serializer Clear */
 250 #define RXSMRST         BIT(3)  /* Receiver State Machine Reset */
 251 #define RXFSRST         BIT(4)  /* Frame Sync Generator Reset */
 252 #define TXCLKRST        BIT(8)  /* Transmitter Clock Divider Reset */
 253 #define TXHCLKRST       BIT(9)  /* Transmitter High Frequency Clock Divider*/
 254 #define TXSERCLR        BIT(10) /* Transmit Serializer Clear */
 255 #define TXSMRST         BIT(11) /* Transmitter State Machine Reset */
 256 #define TXFSRST         BIT(12) /* Frame Sync Generator Reset */
 257
 258 /*
 259  * DAVINCI_MCASP_TXSTAT_REG - Transmitter Status Register Bits
 260  * DAVINCI_MCASP_RXSTAT_REG - Receiver Status Register Bits
 261  */
 262 #define XRERR           BIT(8) /* Transmit/Receive error */
 263 #define XRDATA          BIT(5) /* Transmit/Receive data ready */
 264
 265 /*
 266  * DAVINCI_MCASP_AMUTE_REG -  Mute Control Register Bits
 267  */
 268 #define MUTENA(val)     (val)
 269 #define MUTEINPOL       BIT(2)
 270 #define MUTEINENA       BIT(3)
 271 #define MUTEIN          BIT(4)
 272 #define MUTER           BIT(5)
 273 #define MUTEX           BIT(6)
 274 #define MUTEFSR         BIT(7)
 275 #define MUTEFSX         BIT(8)
 276 #define MUTEBADCLKR     BIT(9)
 277 #define MUTEBADCLKX     BIT(10)
 278 #define MUTERXDMAERR    BIT(11)
 279 #define MUTETXDMAERR    BIT(12)
 280
 281 /*
 282  * DAVINCI_MCASP_REVTCTL_REG - Receiver DMA Event Control Register bits
 283  */
 284 #define RXDATADMADIS    BIT(0)
 285
 286 /*
 287  * DAVINCI_MCASP_XEVTCTL_REG - Transmitter DMA Event Control Register bits
 288  */
 289 #define TXDATADMADIS    BIT(0)
 290
 291 /*
 292  * DAVINCI_MCASP_EVTCTLR_REG - Receiver Interrupt Control Register Bits
 293  */
 294 #define ROVRN           BIT(0)
 295
 296 /*
 297  * DAVINCI_MCASP_EVTCTLX_REG - Transmitter Interrupt Control Register Bits
 298  */
 299 #define XUNDRN          BIT(0)
 300
 301 /*
 302  * DAVINCI_MCASP_W[R]FIFOCTL - Write/Read FIFO Control Register bits
 303  */
 304 #define FIFO_ENABLE     BIT(16)
 305 #define NUMEVT_MASK     (0xFF << 8)
 306 #define NUMEVT(x)       (((x) & 0xFF) << 8)
 307 #define NUMDMA_MASK     (0xFF)
 308
 309 /* clock divider IDs */
 310 #define MCASP_CLKDIV_AUXCLK             0 /* HCLK divider from AUXCLK */
 311 #define MCASP_CLKDIV_BCLK               1 /* BCLK divider from HCLK */
 312 #define MCASP_CLKDIV_BCLK_FS_RATIO      2 /* to set BCLK FS ration */
 313
 314 #endif  /* DAVINCI_MCASP_H */