target/linux/amazon-2.6/files/include/asm-mips/amazon/serial.h

   1 /* incaAscSio.h - (AMAZON) ASC UART tty driver header */
   2
   3 #ifndef __AMAZON_ASC_H
   4 #define __AMAZON_ASC_H
   5
   6 /* channel operating modes */
   7 #define ASCOPT_CSIZE    0x00000003
   8 #define ASCOPT_CS7      0x00000001
   9 #define ASCOPT_CS8      0x00000002
  10 #define ASCOPT_PARENB   0x00000004
  11 #define ASCOPT_STOPB    0x00000008
  12 #define ASCOPT_PARODD   0x00000010
  13 #define ASCOPT_CREAD    0x00000020
  14
  15 #define ASC_OPTIONS             (ASCOPT_CREAD | ASCOPT_CS8)
  16
  17 /* ASC input select (0 or 1) */
  18 #define CONSOLE_TTY     0
  19
  20 /* use fractional divider for baudrate settings */
  21 #define AMAZONASC_USE_FDV
  22
  23 #ifdef AMAZONASC_USE_FDV
  24    #define AMAZONASC_FDV_LOW_BAUDRATE        71
  25 #ifdef CONFIG_USE_IKOS
  26    #define AMAZONASC_FDV_HIGH_BAUDRATE       443
  27 #else
  28    #define AMAZONASC_FDV_HIGH_BAUDRATE       498
  29 #endif //CONFIG_USE_IKOS
  30 #endif /*AMAZONASC_USE_FDV*/
  31
  32
  33 #define AMAZONASC_TXFIFO_FL       1
  34 #define AMAZONASC_RXFIFO_FL       1
  35 #define AMAZONASC_TXFIFO_FULL     16
  36
  37 /* interrupt lines masks for the ASC device interrupts*/
  38 /* change these macroses if it's necessary */
  39 #define AMAZONASC_IRQ_LINE_ALL        0x000F0000  /* all IRQs */
  40
  41 #define AMAZONASC_IRQ_LINE_TIR            0x00010000      /* TIR - Tx */
  42 #define AMAZONASC_IRQ_LINE_RIR            0x00020000      /* RIR - Rx */
  43 #define AMAZONASC_IRQ_LINE_EIR            0x00040000      /* EIR - Err */
  44 #define AMAZONASC_IRQ_LINE_TBIR           0x00080000      /* TBIR - Tx Buf*/
  45
  46 /* CLC register's bits and bitfields */
  47 #define ASCCLC_DISR        0x00000001
  48 #define ASCCLC_DISS        0x00000002
  49 #define ASCCLC_RMCMASK     0x0000FF00
  50 #define ASCCLC_RMCOFFSET   8
  51
  52 /* CON register's bits and bitfields */
  53 #define ASCCON_MODEMASK 0x0007
  54     #define ASCCON_M_8SYNC          0x0
  55     #define ASCCON_M_8ASYNC         0x1
  56     #define ASCCON_M_8IRDAASYNC     0x2
  57     #define ASCCON_M_7ASYNCPAR      0x3
  58     #define ASCCON_M_9ASYNC         0x4
  59     #define ASCCON_M_8WAKEUPASYNC   0x5
  60     #define ASCCON_M_8ASYNCPAR      0x7
  61 #define ASCCON_STP      0x0008
  62 #define ASCCON_REN      0x0010
  63 #define ASCCON_PEN      0x0020
  64 #define ASCCON_FEN      0x0040
  65 #define ASCCON_OEN      0x0080
  66 #define ASCCON_PE       0x0100
  67 #define ASCCON_FE       0x0200
  68 #define ASCCON_OE       0x0400
  69 #define ASCCON_FDE      0x0800
  70 #define ASCCON_ODD      0x1000
  71 #define ASCCON_BRS      0x2000
  72 #define ASCCON_LB       0x4000
  73 #define ASCCON_R        0x8000
  74 #define ASCCON_ANY      (ASCCON_PE|ASCCON_FE|ASCCON_OE)
  75
  76 /* WHBCON register's bits and bitfields */
  77 #define ASCWHBCON_CLRREN    0x0010
  78 #define ASCWHBCON_SETREN    0x0020
  79 #define ASCWHBCON_CLRPE     0x0100
  80 #define ASCWHBCON_CLRFE     0x0200
  81 #define ASCWHBCON_CLROE     0x0400
  82 #define ASCWHBCON_SETPE     0x0800
  83 #define ASCWHBCON_SETFE     0x1000
  84 #define ASCWHBCON_SETOE     0x2000
  85
  86 /* ABCON register's bits and bitfields */
  87 #define ASCABCON_ABEN       0x0001
  88 #define ASCABCON_AUREN      0x0002
  89 #define ASCABCON_ABSTEN     0x0004
  90 #define ASCABCON_ABDETEN    0x0008
  91 #define ASCABCON_FCDETEN    0x0010
  92 #define ASCABCON_EMMASK     0x0300
  93     #define ASCABCON_EMOFF          8
  94         #define ASCABCON_EM_DISAB       0x0
  95         #define ASCABCON_EM_DURAB       0x1
  96         #define ASCABCON_EM_ALWAYS      0x2
  97 #define ASCABCON_TXINV      0x0400
  98 #define ASCABCON_RXINV      0x0800
  99
 100 /* FDV register mask, offset and bitfields*/
 101 #define ASCFDV_VALUE_MASK     0x000001FF
 102
 103 /* WHBABCON register's bits and bitfields */
 104 #define ASCWHBABCON_SETABEN     0x0001
 105 #define ASCWHBABCON_CLRABEN     0x0002
 106
 107 /* ABSTAT register's bits and bitfields */
 108 #define ASCABSTAT_FCSDET    0x0001
 109 #define ASCABSTAT_FCCDET    0x0002
 110 #define ASCABSTAT_SCSDET    0x0004
 111 #define ASCABSTAT_SCCDET    0x0008
 112 #define ASCABSTAT_DETWAIT   0x0010
 113
 114 /* WHBABSTAT register's bits and bitfields */
 115 #define ASCWHBABSTAT_CLRFCSDET  0x0001
 116 #define ASCWHBABSTAT_SETFCSDET  0x0002
 117 #define ASCWHBABSTAT_CLRFCCDET  0x0004
 118 #define ASCWHBABSTAT_SETFCCDET  0x0008
 119 #define ASCWHBABSTAT_CLRSCSDET  0x0010
 120 #define ASCWHBABSTAT_SETSCSDET  0x0020
 121 #define ASCWHBABSTAT_SETSCCDET  0x0040
 122 #define ASCWHBABSTAT_CLRSCCDET  0x0080
 123 #define ASCWHBABSTAT_CLRDETWAIT 0x0100
 124 #define ASCWHBABSTAT_SETDETWAIT 0x0200
 125
 126 /* TXFCON register's bits and bitfields */
 127 #define ASCTXFCON_TXFEN         0x0001
 128 #define ASCTXFCON_TXFFLU        0x0002
 129 #define ASCTXFCON_TXTMEN        0x0004
 130 #define ASCTXFCON_TXFITLMASK    0x3F00
 131 #define ASCTXFCON_TXFITLOFF     8
 132
 133 /* RXFCON register's bits and bitfields */
 134 #define ASCRXFCON_RXFEN         0x0001
 135 #define ASCRXFCON_RXFFLU        0x0002
 136 #define ASCRXFCON_RXTMEN        0x0004
 137 #define ASCRXFCON_RXFITLMASK    0x3F00
 138 #define ASCRXFCON_RXFITLOFF     8
 139
 140 /* FSTAT register's bits and bitfields */
 141 #define ASCFSTAT_RXFFLMASK      0x003F
 142 #define ASCFSTAT_TXFFLMASK      0x3F00
 143 #define ASCFSTAT_TXFFLOFF       8
 144
 145 #endif /* __AMAZON_ASC_H */
 146