| 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) */ |