Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* sunsab.h: Register Definitions for the Siemens SAB82532 DUSCC |
| 2 | * |
| 3 | * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) |
| 4 | */ |
| 5 | |
| 6 | #ifndef _SUNSAB_H |
| 7 | #define _SUNSAB_H |
| 8 | |
| 9 | struct sab82532_async_rd_regs { |
| 10 | u8 rfifo[0x20]; /* Receive FIFO */ |
| 11 | u8 star; /* Status Register */ |
| 12 | u8 __pad1; |
| 13 | u8 mode; /* Mode Register */ |
| 14 | u8 timr; /* Timer Register */ |
| 15 | u8 xon; /* XON Character */ |
| 16 | u8 xoff; /* XOFF Character */ |
| 17 | u8 tcr; /* Termination Character Register */ |
| 18 | u8 dafo; /* Data Format */ |
| 19 | u8 rfc; /* RFIFO Control Register */ |
| 20 | u8 __pad2; |
| 21 | u8 rbcl; /* Receive Byte Count Low */ |
| 22 | u8 rbch; /* Receive Byte Count High */ |
| 23 | u8 ccr0; /* Channel Configuration Register 0 */ |
| 24 | u8 ccr1; /* Channel Configuration Register 1 */ |
| 25 | u8 ccr2; /* Channel Configuration Register 2 */ |
| 26 | u8 ccr3; /* Channel Configuration Register 3 */ |
| 27 | u8 __pad3[4]; |
| 28 | u8 vstr; /* Version Status Register */ |
| 29 | u8 __pad4[3]; |
| 30 | u8 gis; /* Global Interrupt Status */ |
| 31 | u8 ipc; /* Interrupt Port Configuration */ |
| 32 | u8 isr0; /* Interrupt Status 0 */ |
| 33 | u8 isr1; /* Interrupt Status 1 */ |
| 34 | u8 pvr; /* Port Value Register */ |
| 35 | u8 pis; /* Port Interrupt Status */ |
| 36 | u8 pcr; /* Port Configuration Register */ |
| 37 | u8 ccr4; /* Channel Configuration Register 4 */ |
| 38 | }; |
| 39 | |
| 40 | struct sab82532_async_wr_regs { |
| 41 | u8 xfifo[0x20]; /* Transmit FIFO */ |
| 42 | u8 cmdr; /* Command Register */ |
| 43 | u8 __pad1; |
| 44 | u8 mode; |
| 45 | u8 timr; |
| 46 | u8 xon; |
| 47 | u8 xoff; |
| 48 | u8 tcr; |
| 49 | u8 dafo; |
| 50 | u8 rfc; |
| 51 | u8 __pad2; |
| 52 | u8 xbcl; /* Transmit Byte Count Low */ |
| 53 | u8 xbch; /* Transmit Byte Count High */ |
| 54 | u8 ccr0; |
| 55 | u8 ccr1; |
| 56 | u8 ccr2; |
| 57 | u8 ccr3; |
| 58 | u8 tsax; /* Time-Slot Assignment Reg. Transmit */ |
| 59 | u8 tsar; /* Time-Slot Assignment Reg. Receive */ |
| 60 | u8 xccr; /* Transmit Channel Capacity Register */ |
| 61 | u8 rccr; /* Receive Channel Capacity Register */ |
| 62 | u8 bgr; /* Baud Rate Generator Register */ |
| 63 | u8 tic; /* Transmit Immediate Character */ |
| 64 | u8 mxn; /* Mask XON Character */ |
| 65 | u8 mxf; /* Mask XOFF Character */ |
| 66 | u8 iva; /* Interrupt Vector Address */ |
| 67 | u8 ipc; |
| 68 | u8 imr0; /* Interrupt Mask Register 0 */ |
| 69 | u8 imr1; /* Interrupt Mask Register 1 */ |
| 70 | u8 pvr; |
| 71 | u8 pim; /* Port Interrupt Mask */ |
| 72 | u8 pcr; |
| 73 | u8 ccr4; |
| 74 | }; |
| 75 | |
| 76 | struct sab82532_async_rw_regs { /* Read/Write registers */ |
| 77 | u8 __pad1[0x20]; |
| 78 | u8 __pad2; |
| 79 | u8 __pad3; |
| 80 | u8 mode; |
| 81 | u8 timr; |
| 82 | u8 xon; |
| 83 | u8 xoff; |
| 84 | u8 tcr; |
| 85 | u8 dafo; |
| 86 | u8 rfc; |
| 87 | u8 __pad4; |
| 88 | u8 __pad5; |
| 89 | u8 __pad6; |
| 90 | u8 ccr0; |
| 91 | u8 ccr1; |
| 92 | u8 ccr2; |
| 93 | u8 ccr3; |
| 94 | u8 __pad7; |
| 95 | u8 __pad8; |
| 96 | u8 __pad9; |
| 97 | u8 __pad10; |
| 98 | u8 __pad11; |
| 99 | u8 __pad12; |
| 100 | u8 __pad13; |
| 101 | u8 __pad14; |
| 102 | u8 __pad15; |
| 103 | u8 ipc; |
| 104 | u8 __pad16; |
| 105 | u8 __pad17; |
| 106 | u8 pvr; |
| 107 | u8 __pad18; |
| 108 | u8 pcr; |
| 109 | u8 ccr4; |
| 110 | }; |
| 111 | |
| 112 | union sab82532_async_regs { |
| 113 | __volatile__ struct sab82532_async_rd_regs r; |
| 114 | __volatile__ struct sab82532_async_wr_regs w; |
| 115 | __volatile__ struct sab82532_async_rw_regs rw; |
| 116 | }; |
| 117 | |
| 118 | union sab82532_irq_status { |
| 119 | unsigned short stat; |
| 120 | struct { |
| 121 | unsigned char isr0; |
| 122 | unsigned char isr1; |
| 123 | } sreg; |
| 124 | }; |
| 125 | |
| 126 | /* irqflags bits */ |
| 127 | #define SAB82532_ALLS 0x00000001 |
| 128 | #define SAB82532_XPR 0x00000002 |
David S. Miller | e4fdee8 | 2005-05-11 11:34:32 -0700 | [diff] [blame] | 129 | #define SAB82532_REGS_PENDING 0x00000004 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | |
| 131 | /* RFIFO Status Byte */ |
| 132 | #define SAB82532_RSTAT_PE 0x80 |
| 133 | #define SAB82532_RSTAT_FE 0x40 |
| 134 | #define SAB82532_RSTAT_PARITY 0x01 |
| 135 | |
| 136 | /* Status Register (STAR) */ |
| 137 | #define SAB82532_STAR_XDOV 0x80 |
| 138 | #define SAB82532_STAR_XFW 0x40 |
| 139 | #define SAB82532_STAR_RFNE 0x20 |
| 140 | #define SAB82532_STAR_FCS 0x10 |
| 141 | #define SAB82532_STAR_TEC 0x08 |
| 142 | #define SAB82532_STAR_CEC 0x04 |
| 143 | #define SAB82532_STAR_CTS 0x02 |
| 144 | |
| 145 | /* Command Register (CMDR) */ |
| 146 | #define SAB82532_CMDR_RMC 0x80 |
| 147 | #define SAB82532_CMDR_RRES 0x40 |
| 148 | #define SAB82532_CMDR_RFRD 0x20 |
| 149 | #define SAB82532_CMDR_STI 0x10 |
| 150 | #define SAB82532_CMDR_XF 0x08 |
| 151 | #define SAB82532_CMDR_XRES 0x01 |
| 152 | |
| 153 | /* Mode Register (MODE) */ |
| 154 | #define SAB82532_MODE_FRTS 0x40 |
| 155 | #define SAB82532_MODE_FCTS 0x20 |
| 156 | #define SAB82532_MODE_FLON 0x10 |
| 157 | #define SAB82532_MODE_RAC 0x08 |
| 158 | #define SAB82532_MODE_RTS 0x04 |
| 159 | #define SAB82532_MODE_TRS 0x02 |
| 160 | #define SAB82532_MODE_TLP 0x01 |
| 161 | |
| 162 | /* Timer Register (TIMR) */ |
| 163 | #define SAB82532_TIMR_CNT_MASK 0xe0 |
| 164 | #define SAB82532_TIMR_VALUE_MASK 0x1f |
| 165 | |
| 166 | /* Data Format (DAFO) */ |
| 167 | #define SAB82532_DAFO_XBRK 0x40 |
| 168 | #define SAB82532_DAFO_STOP 0x20 |
| 169 | #define SAB82532_DAFO_PAR_SPACE 0x00 |
| 170 | #define SAB82532_DAFO_PAR_ODD 0x08 |
| 171 | #define SAB82532_DAFO_PAR_EVEN 0x10 |
| 172 | #define SAB82532_DAFO_PAR_MARK 0x18 |
| 173 | #define SAB82532_DAFO_PARE 0x04 |
| 174 | #define SAB82532_DAFO_CHL8 0x00 |
| 175 | #define SAB82532_DAFO_CHL7 0x01 |
| 176 | #define SAB82532_DAFO_CHL6 0x02 |
| 177 | #define SAB82532_DAFO_CHL5 0x03 |
| 178 | |
| 179 | /* RFIFO Control Register (RFC) */ |
| 180 | #define SAB82532_RFC_DPS 0x40 |
| 181 | #define SAB82532_RFC_DXS 0x20 |
| 182 | #define SAB82532_RFC_RFDF 0x10 |
| 183 | #define SAB82532_RFC_RFTH_1 0x00 |
| 184 | #define SAB82532_RFC_RFTH_4 0x04 |
| 185 | #define SAB82532_RFC_RFTH_16 0x08 |
| 186 | #define SAB82532_RFC_RFTH_32 0x0c |
| 187 | #define SAB82532_RFC_TCDE 0x01 |
| 188 | |
| 189 | /* Received Byte Count High (RBCH) */ |
| 190 | #define SAB82532_RBCH_DMA 0x80 |
| 191 | #define SAB82532_RBCH_CAS 0x20 |
| 192 | |
| 193 | /* Transmit Byte Count High (XBCH) */ |
| 194 | #define SAB82532_XBCH_DMA 0x80 |
| 195 | #define SAB82532_XBCH_CAS 0x20 |
| 196 | #define SAB82532_XBCH_XC 0x10 |
| 197 | |
| 198 | /* Channel Configuration Register 0 (CCR0) */ |
| 199 | #define SAB82532_CCR0_PU 0x80 |
| 200 | #define SAB82532_CCR0_MCE 0x40 |
| 201 | #define SAB82532_CCR0_SC_NRZ 0x00 |
| 202 | #define SAB82532_CCR0_SC_NRZI 0x08 |
| 203 | #define SAB82532_CCR0_SC_FM0 0x10 |
| 204 | #define SAB82532_CCR0_SC_FM1 0x14 |
| 205 | #define SAB82532_CCR0_SC_MANCH 0x18 |
| 206 | #define SAB82532_CCR0_SM_HDLC 0x00 |
| 207 | #define SAB82532_CCR0_SM_SDLC_LOOP 0x01 |
| 208 | #define SAB82532_CCR0_SM_BISYNC 0x02 |
| 209 | #define SAB82532_CCR0_SM_ASYNC 0x03 |
| 210 | |
| 211 | /* Channel Configuration Register 1 (CCR1) */ |
| 212 | #define SAB82532_CCR1_ODS 0x10 |
| 213 | #define SAB82532_CCR1_BCR 0x08 |
| 214 | #define SAB82532_CCR1_CM_MASK 0x07 |
| 215 | |
| 216 | /* Channel Configuration Register 2 (CCR2) */ |
| 217 | #define SAB82532_CCR2_SOC1 0x80 |
| 218 | #define SAB82532_CCR2_SOC0 0x40 |
| 219 | #define SAB82532_CCR2_BR9 0x80 |
| 220 | #define SAB82532_CCR2_BR8 0x40 |
| 221 | #define SAB82532_CCR2_BDF 0x20 |
| 222 | #define SAB82532_CCR2_SSEL 0x10 |
| 223 | #define SAB82532_CCR2_XCS0 0x20 |
| 224 | #define SAB82532_CCR2_RCS0 0x10 |
| 225 | #define SAB82532_CCR2_TOE 0x08 |
| 226 | #define SAB82532_CCR2_RWX 0x04 |
| 227 | #define SAB82532_CCR2_DIV 0x01 |
| 228 | |
| 229 | /* Channel Configuration Register 3 (CCR3) */ |
| 230 | #define SAB82532_CCR3_PSD 0x01 |
| 231 | |
| 232 | /* Time Slot Assignment Register Transmit (TSAX) */ |
| 233 | #define SAB82532_TSAX_TSNX_MASK 0xfc |
| 234 | #define SAB82532_TSAX_XCS2 0x02 /* see also CCR2 */ |
| 235 | #define SAB82532_TSAX_XCS1 0x01 |
| 236 | |
| 237 | /* Time Slot Assignment Register Receive (TSAR) */ |
| 238 | #define SAB82532_TSAR_TSNR_MASK 0xfc |
| 239 | #define SAB82532_TSAR_RCS2 0x02 /* see also CCR2 */ |
| 240 | #define SAB82532_TSAR_RCS1 0x01 |
| 241 | |
| 242 | /* Version Status Register (VSTR) */ |
| 243 | #define SAB82532_VSTR_CD 0x80 |
| 244 | #define SAB82532_VSTR_DPLA 0x40 |
| 245 | #define SAB82532_VSTR_VN_MASK 0x0f |
| 246 | #define SAB82532_VSTR_VN_1 0x00 |
| 247 | #define SAB82532_VSTR_VN_2 0x01 |
| 248 | #define SAB82532_VSTR_VN_3_2 0x02 |
| 249 | |
| 250 | /* Global Interrupt Status Register (GIS) */ |
| 251 | #define SAB82532_GIS_PI 0x80 |
| 252 | #define SAB82532_GIS_ISA1 0x08 |
| 253 | #define SAB82532_GIS_ISA0 0x04 |
| 254 | #define SAB82532_GIS_ISB1 0x02 |
| 255 | #define SAB82532_GIS_ISB0 0x01 |
| 256 | |
| 257 | /* Interrupt Vector Address (IVA) */ |
| 258 | #define SAB82532_IVA_MASK 0xf1 |
| 259 | |
| 260 | /* Interrupt Port Configuration (IPC) */ |
| 261 | #define SAB82532_IPC_VIS 0x80 |
| 262 | #define SAB82532_IPC_SLA1 0x10 |
| 263 | #define SAB82532_IPC_SLA0 0x08 |
| 264 | #define SAB82532_IPC_CASM 0x04 |
| 265 | #define SAB82532_IPC_IC_OPEN_DRAIN 0x00 |
| 266 | #define SAB82532_IPC_IC_ACT_LOW 0x01 |
| 267 | #define SAB82532_IPC_IC_ACT_HIGH 0x03 |
| 268 | |
| 269 | /* Interrupt Status Register 0 (ISR0) */ |
| 270 | #define SAB82532_ISR0_TCD 0x80 |
| 271 | #define SAB82532_ISR0_TIME 0x40 |
| 272 | #define SAB82532_ISR0_PERR 0x20 |
| 273 | #define SAB82532_ISR0_FERR 0x10 |
| 274 | #define SAB82532_ISR0_PLLA 0x08 |
| 275 | #define SAB82532_ISR0_CDSC 0x04 |
| 276 | #define SAB82532_ISR0_RFO 0x02 |
| 277 | #define SAB82532_ISR0_RPF 0x01 |
| 278 | |
| 279 | /* Interrupt Status Register 1 (ISR1) */ |
| 280 | #define SAB82532_ISR1_BRK 0x80 |
| 281 | #define SAB82532_ISR1_BRKT 0x40 |
| 282 | #define SAB82532_ISR1_ALLS 0x20 |
| 283 | #define SAB82532_ISR1_XOFF 0x10 |
| 284 | #define SAB82532_ISR1_TIN 0x08 |
| 285 | #define SAB82532_ISR1_CSC 0x04 |
| 286 | #define SAB82532_ISR1_XON 0x02 |
| 287 | #define SAB82532_ISR1_XPR 0x01 |
| 288 | |
| 289 | /* Interrupt Mask Register 0 (IMR0) */ |
| 290 | #define SAB82532_IMR0_TCD 0x80 |
| 291 | #define SAB82532_IMR0_TIME 0x40 |
| 292 | #define SAB82532_IMR0_PERR 0x20 |
| 293 | #define SAB82532_IMR0_FERR 0x10 |
| 294 | #define SAB82532_IMR0_PLLA 0x08 |
| 295 | #define SAB82532_IMR0_CDSC 0x04 |
| 296 | #define SAB82532_IMR0_RFO 0x02 |
| 297 | #define SAB82532_IMR0_RPF 0x01 |
| 298 | |
| 299 | /* Interrupt Mask Register 1 (IMR1) */ |
| 300 | #define SAB82532_IMR1_BRK 0x80 |
| 301 | #define SAB82532_IMR1_BRKT 0x40 |
| 302 | #define SAB82532_IMR1_ALLS 0x20 |
| 303 | #define SAB82532_IMR1_XOFF 0x10 |
| 304 | #define SAB82532_IMR1_TIN 0x08 |
| 305 | #define SAB82532_IMR1_CSC 0x04 |
| 306 | #define SAB82532_IMR1_XON 0x02 |
| 307 | #define SAB82532_IMR1_XPR 0x01 |
| 308 | |
| 309 | /* Port Interrupt Status Register (PIS) */ |
| 310 | #define SAB82532_PIS_SYNC_B 0x08 |
| 311 | #define SAB82532_PIS_DTR_B 0x04 |
| 312 | #define SAB82532_PIS_DTR_A 0x02 |
| 313 | #define SAB82532_PIS_SYNC_A 0x01 |
| 314 | |
| 315 | /* Channel Configuration Register 4 (CCR4) */ |
| 316 | #define SAB82532_CCR4_MCK4 0x80 |
| 317 | #define SAB82532_CCR4_EBRG 0x40 |
| 318 | #define SAB82532_CCR4_TST1 0x20 |
| 319 | #define SAB82532_CCR4_ICD 0x10 |
| 320 | |
| 321 | |
| 322 | #endif /* !(_SUNSAB_H) */ |