drivers/char/mxser.h

   1 #ifndef _MXSER_H
   2 #define _MXSER_H
   3
   4 /*
   5  *      Semi-public control interfaces
   6  */
   7
   8 /*
   9  *      MOXA ioctls
  10  */
  11
  12 #define MOXA                    0x400
  13 #define MOXA_GETDATACOUNT       (MOXA + 23)
  14 #define MOXA_GET_CONF           (MOXA + 35)
  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_GET_CUMAJOR        (MOXA + 64)
  20 #define MOXA_GETMSTATUS         (MOXA + 65)
  21 #define MOXA_SET_OP_MODE        (MOXA + 66)
  22 #define MOXA_GET_OP_MODE        (MOXA + 67)
  23
  24 #define RS232_MODE              0
  25 #define RS485_2WIRE_MODE        1
  26 #define RS422_MODE              2
  27 #define RS485_4WIRE_MODE        3
  28 #define OP_MODE_MASK            3
  29 // above add by Victor Yu. 01-05-2004
  30
  31 #define TTY_THRESHOLD_THROTTLE  128
  32
  33 #define LO_WATER                (TTY_FLIPBUF_SIZE)
  34 #define HI_WATER                (TTY_FLIPBUF_SIZE*2*3/4)
  35
  36 // added by James. 03-11-2004.
  37 #define MOXA_SDS_GETICOUNTER    (MOXA + 68)
  38 #define MOXA_SDS_RSTICOUNTER    (MOXA + 69)
  39 // (above) added by James.
  40
  41 #define MOXA_ASPP_OQUEUE        (MOXA + 70)
  42 #define MOXA_ASPP_SETBAUD       (MOXA + 71)
  43 #define MOXA_ASPP_GETBAUD       (MOXA + 72)
  44 #define MOXA_ASPP_MON           (MOXA + 73)
  45 #define MOXA_ASPP_LSTATUS       (MOXA + 74)
  46 #define MOXA_ASPP_MON_EXT       (MOXA + 75)
  47 #define MOXA_SET_BAUD_METHOD    (MOXA + 76)
  48
  49
  50 /* --------------------------------------------------- */
  51
  52 #define NPPI_NOTIFY_PARITY      0x01
  53 #define NPPI_NOTIFY_FRAMING     0x02
  54 #define NPPI_NOTIFY_HW_OVERRUN  0x04
  55 #define NPPI_NOTIFY_SW_OVERRUN  0x08
  56 #define NPPI_NOTIFY_BREAK       0x10
  57
  58 #define NPPI_NOTIFY_CTSHOLD         0x01        // Tx hold by CTS low
  59 #define NPPI_NOTIFY_DSRHOLD         0x02        // Tx hold by DSR low
  60 #define NPPI_NOTIFY_XOFFHOLD        0x08        // Tx hold by Xoff received
  61 #define NPPI_NOTIFY_XOFFXENT        0x10        // Xoff Sent
  62
  63 //CheckIsMoxaMust return value
  64 #define MOXA_OTHER_UART                 0x00
  65 #define MOXA_MUST_MU150_HWID            0x01
  66 #define MOXA_MUST_MU860_HWID            0x02
  67
  68 // follow just for Moxa Must chip define.
  69 //
  70 // when LCR register (offset 0x03) write following value,
  71 // the Must chip will enter enchance mode. And write value
  72 // on EFR (offset 0x02) bit 6,7 to change bank.
  73 #define MOXA_MUST_ENTER_ENCHANCE        0xBF
  74
  75 // when enhance mode enable, access on general bank register
  76 #define MOXA_MUST_GDL_REGISTER          0x07
  77 #define MOXA_MUST_GDL_MASK              0x7F
  78 #define MOXA_MUST_GDL_HAS_BAD_DATA      0x80
  79
  80 #define MOXA_MUST_LSR_RERR              0x80    // error in receive FIFO
  81 // enchance register bank select and enchance mode setting register
  82 // when LCR register equal to 0xBF
  83 #define MOXA_MUST_EFR_REGISTER          0x02
  84 // enchance mode enable
  85 #define MOXA_MUST_EFR_EFRB_ENABLE       0x10
  86 // enchance reister bank set 0, 1, 2
  87 #define MOXA_MUST_EFR_BANK0             0x00
  88 #define MOXA_MUST_EFR_BANK1             0x40
  89 #define MOXA_MUST_EFR_BANK2             0x80
  90 #define MOXA_MUST_EFR_BANK3             0xC0
  91 #define MOXA_MUST_EFR_BANK_MASK         0xC0
  92
  93 // set XON1 value register, when LCR=0xBF and change to bank0
  94 #define MOXA_MUST_XON1_REGISTER         0x04
  95
  96 // set XON2 value register, when LCR=0xBF and change to bank0
  97 #define MOXA_MUST_XON2_REGISTER         0x05
  98
  99 // set XOFF1 value register, when LCR=0xBF and change to bank0
 100 #define MOXA_MUST_XOFF1_REGISTER        0x06
 101
 102 // set XOFF2 value register, when LCR=0xBF and change to bank0
 103 #define MOXA_MUST_XOFF2_REGISTER        0x07
 104
 105 #define MOXA_MUST_RBRTL_REGISTER        0x04
 106 #define MOXA_MUST_RBRTH_REGISTER        0x05
 107 #define MOXA_MUST_RBRTI_REGISTER        0x06
 108 #define MOXA_MUST_THRTL_REGISTER        0x07
 109 #define MOXA_MUST_ENUM_REGISTER         0x04
 110 #define MOXA_MUST_HWID_REGISTER         0x05
 111 #define MOXA_MUST_ECR_REGISTER          0x06
 112 #define MOXA_MUST_CSR_REGISTER          0x07
 113
 114 // good data mode enable
 115 #define MOXA_MUST_FCR_GDA_MODE_ENABLE   0x20
 116 // only good data put into RxFIFO
 117 #define MOXA_MUST_FCR_GDA_ONLY_ENABLE   0x10
 118
 119 // enable CTS interrupt
 120 #define MOXA_MUST_IER_ECTSI             0x80
 121 // enable RTS interrupt
 122 #define MOXA_MUST_IER_ERTSI             0x40
 123 // enable Xon/Xoff interrupt
 124 #define MOXA_MUST_IER_XINT              0x20
 125 // enable GDA interrupt
 126 #define MOXA_MUST_IER_EGDAI             0x10
 127
 128 #define MOXA_MUST_RECV_ISR              (UART_IER_RDI | MOXA_MUST_IER_EGDAI)
 129
 130 // GDA interrupt pending
 131 #define MOXA_MUST_IIR_GDA               0x1C
 132 #define MOXA_MUST_IIR_RDA               0x04
 133 #define MOXA_MUST_IIR_RTO               0x0C
 134 #define MOXA_MUST_IIR_LSR               0x06
 135
 136 // recieved Xon/Xoff or specical interrupt pending
 137 #define MOXA_MUST_IIR_XSC               0x10
 138
 139 // RTS/CTS change state interrupt pending
 140 #define MOXA_MUST_IIR_RTSCTS            0x20
 141 #define MOXA_MUST_IIR_MASK              0x3E
 142
 143 #define MOXA_MUST_MCR_XON_FLAG          0x40
 144 #define MOXA_MUST_MCR_XON_ANY           0x80
 145 #define MOXA_MUST_MCR_TX_XON            0x08
 146
 147
 148 // software flow control on chip mask value
 149 #define MOXA_MUST_EFR_SF_MASK           0x0F
 150 // send Xon1/Xoff1
 151 #define MOXA_MUST_EFR_SF_TX1            0x08
 152 // send Xon2/Xoff2
 153 #define MOXA_MUST_EFR_SF_TX2            0x04
 154 // send Xon1,Xon2/Xoff1,Xoff2
 155 #define MOXA_MUST_EFR_SF_TX12           0x0C
 156 // don't send Xon/Xoff
 157 #define MOXA_MUST_EFR_SF_TX_NO          0x00
 158 // Tx software flow control mask
 159 #define MOXA_MUST_EFR_SF_TX_MASK        0x0C
 160 // don't receive Xon/Xoff
 161 #define MOXA_MUST_EFR_SF_RX_NO          0x00
 162 // receive Xon1/Xoff1
 163 #define MOXA_MUST_EFR_SF_RX1            0x02
 164 // receive Xon2/Xoff2
 165 #define MOXA_MUST_EFR_SF_RX2            0x01
 166 // receive Xon1,Xon2/Xoff1,Xoff2
 167 #define MOXA_MUST_EFR_SF_RX12           0x03
 168 // Rx software flow control mask
 169 #define MOXA_MUST_EFR_SF_RX_MASK        0x03
 170
 171 //#define MOXA_MUST_MIN_XOFFLIMIT               66
 172 //#define MOXA_MUST_MIN_XONLIMIT                20
 173 //#define ID1_RX_TRIG                   120
 174
 175
 176 #define CHECK_MOXA_MUST_XOFFLIMIT(info) {       \
 177         if ( (info)->IsMoxaMustChipFlag &&      \
 178          (info)->HandFlow.XoffLimit < MOXA_MUST_MIN_XOFFLIMIT ) {       \
 179                 (info)->HandFlow.XoffLimit = MOXA_MUST_MIN_XOFFLIMIT;   \
 180                 (info)->HandFlow.XonLimit = MOXA_MUST_MIN_XONLIMIT;     \
 181         }       \
 182 }
 183
 184 #define ENABLE_MOXA_MUST_ENCHANCE_MODE(baseio) { \
 185         u8      __oldlcr, __efr;        \
 186         __oldlcr = inb((baseio)+UART_LCR);      \
 187         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 188         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 189         __efr |= MOXA_MUST_EFR_EFRB_ENABLE;     \
 190         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 191         outb(__oldlcr, (baseio)+UART_LCR);      \
 192 }
 193
 194 #define DISABLE_MOXA_MUST_ENCHANCE_MODE(baseio) {       \
 195         u8      __oldlcr, __efr;        \
 196         __oldlcr = inb((baseio)+UART_LCR);      \
 197         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 198         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 199         __efr &= ~MOXA_MUST_EFR_EFRB_ENABLE;    \
 200         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 201         outb(__oldlcr, (baseio)+UART_LCR);      \
 202 }
 203
 204 #define SET_MOXA_MUST_XON1_VALUE(baseio, Value) {       \
 205         u8      __oldlcr, __efr;        \
 206         __oldlcr = inb((baseio)+UART_LCR);      \
 207         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 208         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 209         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 210         __efr |= MOXA_MUST_EFR_BANK0;   \
 211         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 212         outb((u8)(Value), (baseio)+MOXA_MUST_XON1_REGISTER);    \
 213         outb(__oldlcr, (baseio)+UART_LCR);      \
 214 }
 215
 216 #define SET_MOXA_MUST_XON2_VALUE(baseio, Value) {       \
 217         u8      __oldlcr, __efr;        \
 218         __oldlcr = inb((baseio)+UART_LCR);      \
 219         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 220         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 221         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 222         __efr |= MOXA_MUST_EFR_BANK0;   \
 223         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 224         outb((u8)(Value), (baseio)+MOXA_MUST_XON2_REGISTER);    \
 225         outb(__oldlcr, (baseio)+UART_LCR);      \
 226 }
 227
 228 #define SET_MOXA_MUST_XOFF1_VALUE(baseio, Value) {      \
 229         u8      __oldlcr, __efr;        \
 230         __oldlcr = inb((baseio)+UART_LCR);      \
 231         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 232         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 233         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 234         __efr |= MOXA_MUST_EFR_BANK0;   \
 235         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 236         outb((u8)(Value), (baseio)+MOXA_MUST_XOFF1_REGISTER);   \
 237         outb(__oldlcr, (baseio)+UART_LCR);      \
 238 }
 239
 240 #define SET_MOXA_MUST_XOFF2_VALUE(baseio, Value) {      \
 241         u8      __oldlcr, __efr;        \
 242         __oldlcr = inb((baseio)+UART_LCR);      \
 243         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 244         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 245         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 246         __efr |= MOXA_MUST_EFR_BANK0;   \
 247         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 248         outb((u8)(Value), (baseio)+MOXA_MUST_XOFF2_REGISTER);   \
 249         outb(__oldlcr, (baseio)+UART_LCR);      \
 250 }
 251
 252 #define SET_MOXA_MUST_RBRTL_VALUE(baseio, Value) {      \
 253         u8      __oldlcr, __efr;        \
 254         __oldlcr = inb((baseio)+UART_LCR);      \
 255         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 256         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 257         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 258         __efr |= MOXA_MUST_EFR_BANK1;   \
 259         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 260         outb((u8)(Value), (baseio)+MOXA_MUST_RBRTL_REGISTER);   \
 261         outb(__oldlcr, (baseio)+UART_LCR);      \
 262 }
 263
 264 #define SET_MOXA_MUST_RBRTH_VALUE(baseio, Value) {      \
 265         u8      __oldlcr, __efr;        \
 266         __oldlcr = inb((baseio)+UART_LCR);      \
 267         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 268         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 269         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 270         __efr |= MOXA_MUST_EFR_BANK1;   \
 271         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 272         outb((u8)(Value), (baseio)+MOXA_MUST_RBRTH_REGISTER);   \
 273         outb(__oldlcr, (baseio)+UART_LCR);      \
 274 }
 275
 276 #define SET_MOXA_MUST_RBRTI_VALUE(baseio, Value) {      \
 277         u8      __oldlcr, __efr;        \
 278         __oldlcr = inb((baseio)+UART_LCR);      \
 279         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 280         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 281         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 282         __efr |= MOXA_MUST_EFR_BANK1;   \
 283         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 284         outb((u8)(Value), (baseio)+MOXA_MUST_RBRTI_REGISTER);   \
 285         outb(__oldlcr, (baseio)+UART_LCR);      \
 286 }
 287
 288 #define SET_MOXA_MUST_THRTL_VALUE(baseio, Value) {      \
 289         u8      __oldlcr, __efr;        \
 290         __oldlcr = inb((baseio)+UART_LCR);      \
 291         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 292         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 293         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 294         __efr |= MOXA_MUST_EFR_BANK1;   \
 295         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 296         outb((u8)(Value), (baseio)+MOXA_MUST_THRTL_REGISTER);   \
 297         outb(__oldlcr, (baseio)+UART_LCR);      \
 298 }
 299
 300 //#define MOXA_MUST_RBRL_VALUE  4
 301 #define SET_MOXA_MUST_FIFO_VALUE(info) {        \
 302         u8      __oldlcr, __efr;        \
 303         __oldlcr = inb((info)->base+UART_LCR);  \
 304         outb(MOXA_MUST_ENTER_ENCHANCE, (info)->base+UART_LCR);  \
 305         __efr = inb((info)->base+MOXA_MUST_EFR_REGISTER);       \
 306         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 307         __efr |= MOXA_MUST_EFR_BANK1;   \
 308         outb(__efr, (info)->base+MOXA_MUST_EFR_REGISTER);       \
 309         outb((u8)((info)->rx_high_water), (info)->base+MOXA_MUST_RBRTH_REGISTER);       \
 310         outb((u8)((info)->rx_trigger), (info)->base+MOXA_MUST_RBRTI_REGISTER);  \
 311         outb((u8)((info)->rx_low_water), (info)->base+MOXA_MUST_RBRTL_REGISTER);        \
 312         outb(__oldlcr, (info)->base+UART_LCR);  \
 313 }
 314
 315
 316
 317 #define SET_MOXA_MUST_ENUM_VALUE(baseio, Value) {       \
 318         u8      __oldlcr, __efr;        \
 319         __oldlcr = inb((baseio)+UART_LCR);      \
 320         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 321         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 322         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 323         __efr |= MOXA_MUST_EFR_BANK2;   \
 324         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 325         outb((u8)(Value), (baseio)+MOXA_MUST_ENUM_REGISTER);    \
 326         outb(__oldlcr, (baseio)+UART_LCR);      \
 327 }
 328
 329 #define GET_MOXA_MUST_HARDWARE_ID(baseio, pId) {        \
 330         u8      __oldlcr, __efr;        \
 331         __oldlcr = inb((baseio)+UART_LCR);      \
 332         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 333         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 334         __efr &= ~MOXA_MUST_EFR_BANK_MASK;      \
 335         __efr |= MOXA_MUST_EFR_BANK2;   \
 336         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 337         *pId = inb((baseio)+MOXA_MUST_HWID_REGISTER);   \
 338         outb(__oldlcr, (baseio)+UART_LCR);      \
 339 }
 340
 341 #define SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(baseio) {        \
 342         u8      __oldlcr, __efr;        \
 343         __oldlcr = inb((baseio)+UART_LCR);      \
 344         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 345         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 346         __efr &= ~MOXA_MUST_EFR_SF_MASK;        \
 347         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 348         outb(__oldlcr, (baseio)+UART_LCR);      \
 349 }
 350
 351 #define SET_MOXA_MUST_JUST_TX_SOFTWARE_FLOW_CONTROL(baseio) {   \
 352         u8      __oldlcr, __efr;        \
 353         __oldlcr = inb((baseio)+UART_LCR);      \
 354         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 355         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 356         __efr &= ~MOXA_MUST_EFR_SF_MASK;        \
 357         __efr |= MOXA_MUST_EFR_SF_TX1;  \
 358         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 359         outb(__oldlcr, (baseio)+UART_LCR);      \
 360 }
 361
 362 #define ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) {     \
 363         u8      __oldlcr, __efr;        \
 364         __oldlcr = inb((baseio)+UART_LCR);      \
 365         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 366         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 367         __efr &= ~MOXA_MUST_EFR_SF_TX_MASK;     \
 368         __efr |= MOXA_MUST_EFR_SF_TX1;  \
 369         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 370         outb(__oldlcr, (baseio)+UART_LCR);      \
 371 }
 372
 373 #define DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) {    \
 374         u8      __oldlcr, __efr;        \
 375         __oldlcr = inb((baseio)+UART_LCR);      \
 376         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 377         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 378         __efr &= ~MOXA_MUST_EFR_SF_TX_MASK;     \
 379         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 380         outb(__oldlcr, (baseio)+UART_LCR);      \
 381 }
 382
 383 #define SET_MOXA_MUST_JUST_RX_SOFTWARE_FLOW_CONTROL(baseio) {   \
 384         u8      __oldlcr, __efr;        \
 385         __oldlcr = inb((baseio)+UART_LCR);      \
 386         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 387         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 388         __efr &= ~MOXA_MUST_EFR_SF_MASK;        \
 389         __efr |= MOXA_MUST_EFR_SF_RX1;  \
 390         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 391         outb(__oldlcr, (baseio)+UART_LCR);      \
 392 }
 393
 394 #define ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) {     \
 395         u8      __oldlcr, __efr;        \
 396         __oldlcr = inb((baseio)+UART_LCR);      \
 397         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 398         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 399         __efr &= ~MOXA_MUST_EFR_SF_RX_MASK;     \
 400         __efr |= MOXA_MUST_EFR_SF_RX1;  \
 401         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 402         outb(__oldlcr, (baseio)+UART_LCR);      \
 403 }
 404
 405 #define DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) {    \
 406         u8      __oldlcr, __efr;        \
 407         __oldlcr = inb((baseio)+UART_LCR);      \
 408         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 409         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 410         __efr &= ~MOXA_MUST_EFR_SF_RX_MASK;     \
 411         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 412         outb(__oldlcr, (baseio)+UART_LCR);      \
 413 }
 414
 415 #define ENABLE_MOXA_MUST_TX_RX_SOFTWARE_FLOW_CONTROL(baseio) {  \
 416         u8      __oldlcr, __efr;        \
 417         __oldlcr = inb((baseio)+UART_LCR);      \
 418         outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR);      \
 419         __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER);   \
 420         __efr &= ~MOXA_MUST_EFR_SF_MASK;        \
 421         __efr |= (MOXA_MUST_EFR_SF_RX1|MOXA_MUST_EFR_SF_TX1);   \
 422         outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER);   \
 423         outb(__oldlcr, (baseio)+UART_LCR);      \
 424 }
 425
 426 #define ENABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(baseio) { \
 427         u8      __oldmcr;       \
 428         __oldmcr = inb((baseio)+UART_MCR);      \
 429         __oldmcr |= MOXA_MUST_MCR_XON_ANY;      \
 430         outb(__oldmcr, (baseio)+UART_MCR);      \
 431 }
 432
 433 #define DISABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(baseio) {        \
 434         u8      __oldmcr;       \
 435         __oldmcr = inb((baseio)+UART_MCR);      \
 436         __oldmcr &= ~MOXA_MUST_MCR_XON_ANY;     \
 437         outb(__oldmcr, (baseio)+UART_MCR);      \
 438 }
 439
 440 #define READ_MOXA_MUST_GDL(baseio)      inb((baseio)+MOXA_MUST_GDL_REGISTER)
 441
 442 #endif