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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 | /* SPDX-License-Identifier: GPL-2.0 */ /* sunsab.h: Register Definitions for the Siemens SAB82532 DUSCC * * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) */ #ifndef _SUNSAB_H #define _SUNSAB_H struct sab82532_async_rd_regs { u8 rfifo[0x20]; /* Receive FIFO */ u8 star; /* Status Register */ u8 __pad1; u8 mode; /* Mode Register */ u8 timr; /* Timer Register */ u8 xon; /* XON Character */ u8 xoff; /* XOFF Character */ u8 tcr; /* Termination Character Register */ u8 dafo; /* Data Format */ u8 rfc; /* RFIFO Control Register */ u8 __pad2; u8 rbcl; /* Receive Byte Count Low */ u8 rbch; /* Receive Byte Count High */ u8 ccr0; /* Channel Configuration Register 0 */ u8 ccr1; /* Channel Configuration Register 1 */ u8 ccr2; /* Channel Configuration Register 2 */ u8 ccr3; /* Channel Configuration Register 3 */ u8 __pad3[4]; u8 vstr; /* Version Status Register */ u8 __pad4[3]; u8 gis; /* Global Interrupt Status */ u8 ipc; /* Interrupt Port Configuration */ u8 isr0; /* Interrupt Status 0 */ u8 isr1; /* Interrupt Status 1 */ u8 pvr; /* Port Value Register */ u8 pis; /* Port Interrupt Status */ u8 pcr; /* Port Configuration Register */ u8 ccr4; /* Channel Configuration Register 4 */ }; struct sab82532_async_wr_regs { u8 xfifo[0x20]; /* Transmit FIFO */ u8 cmdr; /* Command Register */ u8 __pad1; u8 mode; u8 timr; u8 xon; u8 xoff; u8 tcr; u8 dafo; u8 rfc; u8 __pad2; u8 xbcl; /* Transmit Byte Count Low */ u8 xbch; /* Transmit Byte Count High */ u8 ccr0; u8 ccr1; u8 ccr2; u8 ccr3; u8 tsax; /* Time-Slot Assignment Reg. Transmit */ u8 tsar; /* Time-Slot Assignment Reg. Receive */ u8 xccr; /* Transmit Channel Capacity Register */ u8 rccr; /* Receive Channel Capacity Register */ u8 bgr; /* Baud Rate Generator Register */ u8 tic; /* Transmit Immediate Character */ u8 mxn; /* Mask XON Character */ u8 mxf; /* Mask XOFF Character */ u8 iva; /* Interrupt Vector Address */ u8 ipc; u8 imr0; /* Interrupt Mask Register 0 */ u8 imr1; /* Interrupt Mask Register 1 */ u8 pvr; u8 pim; /* Port Interrupt Mask */ u8 pcr; u8 ccr4; }; struct sab82532_async_rw_regs { /* Read/Write registers */ u8 __pad1[0x20]; u8 __pad2; u8 __pad3; u8 mode; u8 timr; u8 xon; u8 xoff; u8 tcr; u8 dafo; u8 rfc; u8 __pad4; u8 __pad5; u8 __pad6; u8 ccr0; u8 ccr1; u8 ccr2; u8 ccr3; u8 __pad7; u8 __pad8; u8 __pad9; u8 __pad10; u8 __pad11; u8 __pad12; u8 __pad13; u8 __pad14; u8 __pad15; u8 ipc; u8 __pad16; u8 __pad17; u8 pvr; u8 __pad18; u8 pcr; u8 ccr4; }; union sab82532_async_regs { __volatile__ struct sab82532_async_rd_regs r; __volatile__ struct sab82532_async_wr_regs w; __volatile__ struct sab82532_async_rw_regs rw; }; union sab82532_irq_status { unsigned short stat; struct { unsigned char isr0; unsigned char isr1; } sreg; }; /* irqflags bits */ #define SAB82532_ALLS 0x00000001 #define SAB82532_XPR 0x00000002 #define SAB82532_REGS_PENDING 0x00000004 /* RFIFO Status Byte */ #define SAB82532_RSTAT_PE 0x80 #define SAB82532_RSTAT_FE 0x40 #define SAB82532_RSTAT_PARITY 0x01 /* Status Register (STAR) */ #define SAB82532_STAR_XDOV 0x80 #define SAB82532_STAR_XFW 0x40 #define SAB82532_STAR_RFNE 0x20 #define SAB82532_STAR_FCS 0x10 #define SAB82532_STAR_TEC 0x08 #define SAB82532_STAR_CEC 0x04 #define SAB82532_STAR_CTS 0x02 /* Command Register (CMDR) */ #define SAB82532_CMDR_RMC 0x80 #define SAB82532_CMDR_RRES 0x40 #define SAB82532_CMDR_RFRD 0x20 #define SAB82532_CMDR_STI 0x10 #define SAB82532_CMDR_XF 0x08 #define SAB82532_CMDR_XRES 0x01 /* Mode Register (MODE) */ #define SAB82532_MODE_FRTS 0x40 #define SAB82532_MODE_FCTS 0x20 #define SAB82532_MODE_FLON 0x10 #define SAB82532_MODE_RAC 0x08 #define SAB82532_MODE_RTS 0x04 #define SAB82532_MODE_TRS 0x02 #define SAB82532_MODE_TLP 0x01 /* Timer Register (TIMR) */ #define SAB82532_TIMR_CNT_MASK 0xe0 #define SAB82532_TIMR_VALUE_MASK 0x1f /* Data Format (DAFO) */ #define SAB82532_DAFO_XBRK 0x40 #define SAB82532_DAFO_STOP 0x20 #define SAB82532_DAFO_PAR_SPACE 0x00 #define SAB82532_DAFO_PAR_ODD 0x08 #define SAB82532_DAFO_PAR_EVEN 0x10 #define SAB82532_DAFO_PAR_MARK 0x18 #define SAB82532_DAFO_PARE 0x04 #define SAB82532_DAFO_CHL8 0x00 #define SAB82532_DAFO_CHL7 0x01 #define SAB82532_DAFO_CHL6 0x02 #define SAB82532_DAFO_CHL5 0x03 /* RFIFO Control Register (RFC) */ #define SAB82532_RFC_DPS 0x40 #define SAB82532_RFC_DXS 0x20 #define SAB82532_RFC_RFDF 0x10 #define SAB82532_RFC_RFTH_1 0x00 #define SAB82532_RFC_RFTH_4 0x04 #define SAB82532_RFC_RFTH_16 0x08 #define SAB82532_RFC_RFTH_32 0x0c #define SAB82532_RFC_TCDE 0x01 /* Received Byte Count High (RBCH) */ #define SAB82532_RBCH_DMA 0x80 #define SAB82532_RBCH_CAS 0x20 /* Transmit Byte Count High (XBCH) */ #define SAB82532_XBCH_DMA 0x80 #define SAB82532_XBCH_CAS 0x20 #define SAB82532_XBCH_XC 0x10 /* Channel Configuration Register 0 (CCR0) */ #define SAB82532_CCR0_PU 0x80 #define SAB82532_CCR0_MCE 0x40 #define SAB82532_CCR0_SC_NRZ 0x00 #define SAB82532_CCR0_SC_NRZI 0x08 #define SAB82532_CCR0_SC_FM0 0x10 #define SAB82532_CCR0_SC_FM1 0x14 #define SAB82532_CCR0_SC_MANCH 0x18 #define SAB82532_CCR0_SM_HDLC 0x00 #define SAB82532_CCR0_SM_SDLC_LOOP 0x01 #define SAB82532_CCR0_SM_BISYNC 0x02 #define SAB82532_CCR0_SM_ASYNC 0x03 /* Channel Configuration Register 1 (CCR1) */ #define SAB82532_CCR1_ODS 0x10 #define SAB82532_CCR1_BCR 0x08 #define SAB82532_CCR1_CM_MASK 0x07 /* Channel Configuration Register 2 (CCR2) */ #define SAB82532_CCR2_SOC1 0x80 #define SAB82532_CCR2_SOC0 0x40 #define SAB82532_CCR2_BR9 0x80 #define SAB82532_CCR2_BR8 0x40 #define SAB82532_CCR2_BDF 0x20 #define SAB82532_CCR2_SSEL 0x10 #define SAB82532_CCR2_XCS0 0x20 #define SAB82532_CCR2_RCS0 0x10 #define SAB82532_CCR2_TOE 0x08 #define SAB82532_CCR2_RWX 0x04 #define SAB82532_CCR2_DIV 0x01 /* Channel Configuration Register 3 (CCR3) */ #define SAB82532_CCR3_PSD 0x01 /* Time Slot Assignment Register Transmit (TSAX) */ #define SAB82532_TSAX_TSNX_MASK 0xfc #define SAB82532_TSAX_XCS2 0x02 /* see also CCR2 */ #define SAB82532_TSAX_XCS1 0x01 /* Time Slot Assignment Register Receive (TSAR) */ #define SAB82532_TSAR_TSNR_MASK 0xfc #define SAB82532_TSAR_RCS2 0x02 /* see also CCR2 */ #define SAB82532_TSAR_RCS1 0x01 /* Version Status Register (VSTR) */ #define SAB82532_VSTR_CD 0x80 #define SAB82532_VSTR_DPLA 0x40 #define SAB82532_VSTR_VN_MASK 0x0f #define SAB82532_VSTR_VN_1 0x00 #define SAB82532_VSTR_VN_2 0x01 #define SAB82532_VSTR_VN_3_2 0x02 /* Global Interrupt Status Register (GIS) */ #define SAB82532_GIS_PI 0x80 #define SAB82532_GIS_ISA1 0x08 #define SAB82532_GIS_ISA0 0x04 #define SAB82532_GIS_ISB1 0x02 #define SAB82532_GIS_ISB0 0x01 /* Interrupt Vector Address (IVA) */ #define SAB82532_IVA_MASK 0xf1 /* Interrupt Port Configuration (IPC) */ #define SAB82532_IPC_VIS 0x80 #define SAB82532_IPC_SLA1 0x10 #define SAB82532_IPC_SLA0 0x08 #define SAB82532_IPC_CASM 0x04 #define SAB82532_IPC_IC_OPEN_DRAIN 0x00 #define SAB82532_IPC_IC_ACT_LOW 0x01 #define SAB82532_IPC_IC_ACT_HIGH 0x03 /* Interrupt Status Register 0 (ISR0) */ #define SAB82532_ISR0_TCD 0x80 #define SAB82532_ISR0_TIME 0x40 #define SAB82532_ISR0_PERR 0x20 #define SAB82532_ISR0_FERR 0x10 #define SAB82532_ISR0_PLLA 0x08 #define SAB82532_ISR0_CDSC 0x04 #define SAB82532_ISR0_RFO 0x02 #define SAB82532_ISR0_RPF 0x01 /* Interrupt Status Register 1 (ISR1) */ #define SAB82532_ISR1_BRK 0x80 #define SAB82532_ISR1_BRKT 0x40 #define SAB82532_ISR1_ALLS 0x20 #define SAB82532_ISR1_XOFF 0x10 #define SAB82532_ISR1_TIN 0x08 #define SAB82532_ISR1_CSC 0x04 #define SAB82532_ISR1_XON 0x02 #define SAB82532_ISR1_XPR 0x01 /* Interrupt Mask Register 0 (IMR0) */ #define SAB82532_IMR0_TCD 0x80 #define SAB82532_IMR0_TIME 0x40 #define SAB82532_IMR0_PERR 0x20 #define SAB82532_IMR0_FERR 0x10 #define SAB82532_IMR0_PLLA 0x08 #define SAB82532_IMR0_CDSC 0x04 #define SAB82532_IMR0_RFO 0x02 #define SAB82532_IMR0_RPF 0x01 /* Interrupt Mask Register 1 (IMR1) */ #define SAB82532_IMR1_BRK 0x80 #define SAB82532_IMR1_BRKT 0x40 #define SAB82532_IMR1_ALLS 0x20 #define SAB82532_IMR1_XOFF 0x10 #define SAB82532_IMR1_TIN 0x08 #define SAB82532_IMR1_CSC 0x04 #define SAB82532_IMR1_XON 0x02 #define SAB82532_IMR1_XPR 0x01 /* Port Interrupt Status Register (PIS) */ #define SAB82532_PIS_SYNC_B 0x08 #define SAB82532_PIS_DTR_B 0x04 #define SAB82532_PIS_DTR_A 0x02 #define SAB82532_PIS_SYNC_A 0x01 /* Channel Configuration Register 4 (CCR4) */ #define SAB82532_CCR4_MCK4 0x80 #define SAB82532_CCR4_EBRG 0x40 #define SAB82532_CCR4_TST1 0x20 #define SAB82532_CCR4_ICD 0x10 #endif /* !(_SUNSAB_H) */ |