drivers/tty/mxser.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _MXSER_H
   3 #define _MXSER_H
   4
   5 /*
   6  *      Semi-public control interfaces
   7  */
   8
   9 /*
  10  *      MOXA ioctls
  11  */
  12
  13 #define MOXA                    0x400
  14 #define MOXA_GETDATACOUNT       (MOXA + 23)
  15 #define MOXA_DIAGNOSE           (MOXA + 50)
  16 #define MOXA_CHKPORTENABLE      (MOXA + 60)
  17 #define MOXA_HighSpeedOn        (MOXA + 61)
  18 #define MOXA_GET_MAJOR          (MOXA + 63)
  19 #define MOXA_GETMSTATUS         (MOXA + 65)
  20 #define MOXA_SET_OP_MODE        (MOXA + 66)
  21 #define MOXA_GET_OP_MODE        (MOXA + 67)
  22
  23 #define RS232_MODE              0
  24 #define RS485_2WIRE_MODE        1
  25 #define RS422_MODE              2
  26 #define RS485_4WIRE_MODE        3
  27 #define OP_MODE_MASK            3
  28
  29 #define MOXA_SDS_RSTICOUNTER    (MOXA + 69)
  30 #define MOXA_ASPP_OQUEUE        (MOXA + 70)
  31 #define MOXA_ASPP_MON           (MOXA + 73)
  32 #define MOXA_ASPP_LSTATUS       (MOXA + 74)
  33 #define MOXA_ASPP_MON_EXT       (MOXA + 75)
  34 #define MOXA_SET_BAUD_METHOD    (MOXA + 76)
  35
  36 /* --------------------------------------------------- */
  37
  38 #define NPPI_NOTIFY_PARITY      0x01
  39 #define NPPI_NOTIFY_FRAMING     0x02
  40 #define NPPI_NOTIFY_HW_OVERRUN  0x04
  41 #define NPPI_NOTIFY_SW_OVERRUN  0x08
  42 #define NPPI_NOTIFY_BREAK       0x10
  43
  44 #define NPPI_NOTIFY_CTSHOLD         0x01        /* Tx hold by CTS low */
  45 #define NPPI_NOTIFY_DSRHOLD         0x02        /* Tx hold by DSR low */
  46 #define NPPI_NOTIFY_XOFFHOLD        0x08        /* Tx hold by Xoff received */
  47 #define NPPI_NOTIFY_XOFFXENT        0x10        /* Xoff Sent */
  48
  49 /* follow just for Moxa Must chip define. */
  50 /* */
  51 /* when LCR register (offset 0x03) write following value, */
  52 /* the Must chip will enter enchance mode. And write value */
  53 /* on EFR (offset 0x02) bit 6,7 to change bank. */
  54 #define MOXA_MUST_ENTER_ENCHANCE        0xBF
  55
  56 /* when enhance mode enable, access on general bank register */
  57 #define MOXA_MUST_GDL_REGISTER          0x07
  58 #define MOXA_MUST_GDL_MASK              0x7F
  59 #define MOXA_MUST_GDL_HAS_BAD_DATA      0x80
  60
  61 #define MOXA_MUST_LSR_RERR              0x80    /* error in receive FIFO */
  62 /* enchance register bank select and enchance mode setting register */
  63 /* when LCR register equal to 0xBF */
  64 #define MOXA_MUST_EFR_REGISTER          0x02
  65 /* enchance mode enable */
  66 #define MOXA_MUST_EFR_EFRB_ENABLE       0x10
  67 /* enchance reister bank set 0, 1, 2 */
  68 #define MOXA_MUST_EFR_BANK0             0x00
  69 #define MOXA_MUST_EFR_BANK1             0x40
  70 #define MOXA_MUST_EFR_BANK2             0x80
  71 #define MOXA_MUST_EFR_BANK3             0xC0
  72 #define MOXA_MUST_EFR_BANK_MASK         0xC0
  73
  74 /* set XON1 value register, when LCR=0xBF and change to bank0 */
  75 #define MOXA_MUST_XON1_REGISTER         0x04
  76
  77 /* set XON2 value register, when LCR=0xBF and change to bank0 */
  78 #define MOXA_MUST_XON2_REGISTER         0x05
  79
  80 /* set XOFF1 value register, when LCR=0xBF and change to bank0 */
  81 #define MOXA_MUST_XOFF1_REGISTER        0x06
  82
  83 /* set XOFF2 value register, when LCR=0xBF and change to bank0 */
  84 #define MOXA_MUST_XOFF2_REGISTER        0x07
  85
  86 #define MOXA_MUST_RBRTL_REGISTER        0x04
  87 #define MOXA_MUST_RBRTH_REGISTER        0x05
  88 #define MOXA_MUST_RBRTI_REGISTER        0x06
  89 #define MOXA_MUST_THRTL_REGISTER        0x07
  90 #define MOXA_MUST_ENUM_REGISTER         0x04
  91 #define MOXA_MUST_HWID_REGISTER         0x05
  92 #define MOXA_MUST_ECR_REGISTER          0x06
  93 #define MOXA_MUST_CSR_REGISTER          0x07
  94
  95 /* good data mode enable */
  96 #define MOXA_MUST_FCR_GDA_MODE_ENABLE   0x20
  97 /* only good data put into RxFIFO */
  98 #define MOXA_MUST_FCR_GDA_ONLY_ENABLE   0x10
  99
 100 /* enable CTS interrupt */
 101 #define MOXA_MUST_IER_ECTSI             0x80
 102 /* enable RTS interrupt */
 103 #define MOXA_MUST_IER_ERTSI             0x40
 104 /* enable Xon/Xoff interrupt */
 105 #define MOXA_MUST_IER_XINT              0x20
 106 /* enable GDA interrupt */
 107 #define MOXA_MUST_IER_EGDAI             0x10
 108
 109 #define MOXA_MUST_RECV_ISR              (UART_IER_RDI | MOXA_MUST_IER_EGDAI)
 110
 111 /* GDA interrupt pending */
 112 #define MOXA_MUST_IIR_GDA               0x1C
 113 #define MOXA_MUST_IIR_RDA               0x04
 114 #define MOXA_MUST_IIR_RTO               0x0C
 115 #define MOXA_MUST_IIR_LSR               0x06
 116
 117 /* received Xon/Xoff or specical interrupt pending */
 118 #define MOXA_MUST_IIR_XSC               0x10
 119
 120 /* RTS/CTS change state interrupt pending */
 121 #define MOXA_MUST_IIR_RTSCTS            0x20
 122 #define MOXA_MUST_IIR_MASK              0x3E
 123
 124 #define MOXA_MUST_MCR_XON_FLAG          0x40
 125 #define MOXA_MUST_MCR_XON_ANY           0x80
 126 #define MOXA_MUST_MCR_TX_XON            0x08
 127
 128 /* software flow control on chip mask value */
 129 #define MOXA_MUST_EFR_SF_MASK           0x0F
 130 /* send Xon1/Xoff1 */
 131 #define MOXA_MUST_EFR_SF_TX1            0x08
 132 /* send Xon2/Xoff2 */
 133 #define MOXA_MUST_EFR_SF_TX2            0x04
 134 /* send Xon1,Xon2/Xoff1,Xoff2 */
 135 #define MOXA_MUST_EFR_SF_TX12           0x0C
 136 /* don't send Xon/Xoff */
 137 #define MOXA_MUST_EFR_SF_TX_NO          0x00
 138 /* Tx software flow control mask */
 139 #define MOXA_MUST_EFR_SF_TX_MASK        0x0C
 140 /* don't receive Xon/Xoff */
 141 #define MOXA_MUST_EFR_SF_RX_NO          0x00
 142 /* receive Xon1/Xoff1 */
 143 #define MOXA_MUST_EFR_SF_RX1            0x02
 144 /* receive Xon2/Xoff2 */
 145 #define MOXA_MUST_EFR_SF_RX2            0x01
 146 /* receive Xon1,Xon2/Xoff1,Xoff2 */
 147 #define MOXA_MUST_EFR_SF_RX12           0x03
 148 /* Rx software flow control mask */
 149 #define MOXA_MUST_EFR_SF_RX_MASK        0x03
 150
 151 #endif