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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 | /* * Sun3 SCSI stuff by Erik Verbruggen (erik@bigmama.xtdnet.nl) * * Sun3 DMA additions by Sam Creasey (sammy@oh.verio.com) * * Adapted from mac_scsinew.h: */ /* * Cumana Generic NCR5380 driver defines * * Copyright 1993, Drew Eckhardt * Visionary Computing * (Unix and Linux consulting and custom programming) * drew@colorado.edu * +1 (303) 440-4894 * * ALPHA RELEASE 1. * * For more information, please consult * * NCR 5380 Family * SCSI Protocol Controller * Databook * * NCR Microelectronics * 1635 Aeroplaza Drive * Colorado Springs, CO 80916 * 1+ (719) 578-3400 * 1+ (800) 334-5454 */ /* * $Log: cumana_NCR5380.h,v $ */ #ifndef SUN3_NCR5380_H #define SUN3_NCR5380_H #define SUN3SCSI_PUBLIC_RELEASE 1 /* * Int: level 2 autovector * IO: type 1, base 0x00140000, 5 bits phys space: A<4..0> */ #define IRQ_SUN3_SCSI 2 #define IOBASE_SUN3_SCSI 0x00140000 int sun3scsi_abort (Scsi_Cmnd *); int sun3scsi_detect (Scsi_Host_Template *); int sun3scsi_release (struct Scsi_Host *); const char *sun3scsi_info (struct Scsi_Host *); int sun3scsi_reset(Scsi_Cmnd *, unsigned int); int sun3scsi_queue_command (Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); int sun3scsi_proc_info (char *buffer, char **start, off_t offset, int length, int hostno, int inout); #ifndef NULL #define NULL 0 #endif #ifndef CMD_PER_LUN #define CMD_PER_LUN 2 #endif #ifndef CAN_QUEUE #define CAN_QUEUE 16 #endif #ifndef SG_TABLESIZE #define SG_TABLESIZE SG_NONE #endif #ifndef USE_TAGGED_QUEUING #define USE_TAGGED_QUEUING 0 #endif #include <scsi/scsicam.h> #define SUN3_NCR5380 { \ name: "Sun3 NCR5380 SCSI", \ detect: sun3scsi_detect, \ release: sun3scsi_release, /* Release */ \ info: sun3scsi_info, \ queuecommand: sun3scsi_queue_command, \ abort: sun3scsi_abort, \ reset: sun3scsi_reset, \ bios_param: scsicam_bios_param, /* biosparam */ \ can_queue: CAN_QUEUE, /* can queue */ \ this_id: 7, /* id */ \ sg_tablesize: SG_ALL, /* sg_tablesize */ \ cmd_per_lun: CMD_PER_LUN, /* cmd per lun */ \ unchecked_isa_dma: 0, /* unchecked_isa_dma */ \ use_clustering: DISABLE_CLUSTERING \ } #ifndef HOSTS_C #define NCR5380_implementation_fields \ int port, ctrl #define NCR5380_local_declare() \ struct Scsi_Host *_instance #define NCR5380_setup(instance) \ _instance = instance #define NCR5380_read(reg) sun3scsi_read(reg) #define NCR5380_write(reg, value) sun3scsi_write(reg, value) #define NCR5380_intr sun3scsi_intr #define NCR5380_queue_command sun3scsi_queue_command #define NCR5380_reset sun3scsi_reset #define NCR5380_abort sun3scsi_abort #define NCR5380_proc_info sun3scsi_proc_info #define NCR5380_dma_xfer_len(i, cmd, phase) \ sun3scsi_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1) #define NCR5380_dma_write_setup(instance, data, count) sun3scsi_dma_setup(data, count, 1) #define NCR5380_dma_read_setup(instance, data, count) sun3scsi_dma_setup(data, count, 0) #define NCR5380_dma_residual sun3scsi_dma_residual #define BOARD_NORMAL 0 #define BOARD_NCR53C400 1 /* additional registers - mainly DMA control regs */ /* these start at regbase + 8 -- directly after the NCR regs */ struct sun3_dma_regs { unsigned short vmeregs[4]; /* unimpl vme stuff */ unsigned short udc_data; /* udc dma data reg */ unsigned short udc_addr; /* uda dma addr reg */ unsigned short fifo_data; /* fifo data reg, holds extra byte on odd dma reads */ unsigned short fifo_count; unsigned short csr; /* control/status reg */ }; /* ucd chip specific regs - live in dvma space */ struct sun3_udc_regs { unsigned short rsel; /* select regs to load */ unsigned short addr_hi; /* high word of addr */ unsigned short addr_lo; /* low word */ unsigned short count; /* words to be xfer'd */ unsigned short mode_hi; /* high word of channel mode */ unsigned short mode_lo; /* low word of channel mode */ }; /* addresses of the udc registers */ #define UDC_MODE 0x38 #define UDC_CSR 0x2e /* command/status */ #define UDC_CHN_HI 0x26 /* chain high word */ #define UDC_CHN_LO 0x22 /* chain lo word */ #define UDC_CURA_HI 0x1a /* cur reg A high */ #define UDC_CURA_LO 0x0a /* cur reg A low */ #define UDC_CURB_HI 0x12 /* cur reg B high */ #define UDC_CURB_LO 0x02 /* cur reg B low */ #define UDC_MODE_HI 0x56 /* mode reg high */ #define UDC_MODE_LO 0x52 /* mode reg low */ #define UDC_COUNT 0x32 /* words to xfer */ /* some udc commands */ #define UDC_RESET 0 #define UDC_CHN_START 0xa0 /* start chain */ #define UDC_INT_ENABLE 0x32 /* channel 1 int on */ /* udc mode words */ #define UDC_MODE_HIWORD 0x40 #define UDC_MODE_LSEND 0xc2 #define UDC_MODE_LRECV 0xd2 /* udc reg selections */ #define UDC_RSEL_SEND 0x282 #define UDC_RSEL_RECV 0x182 /* bits in csr reg */ #define CSR_DMA_ACTIVE 0x8000 #define CSR_DMA_CONFLICT 0x4000 #define CSR_DMA_BUSERR 0x2000 #define CSR_FIFO_EMPTY 0x400 /* fifo flushed? */ #define CSR_SDB_INT 0x200 /* sbc interrupt pending */ #define CSR_DMA_INT 0x100 /* dma interrupt pending */ #define CSR_SEND 0x8 /* 1 = send 0 = recv */ #define CSR_FIFO 0x2 /* reset fifo */ #define CSR_INTR 0x4 /* interrupt enable */ #define CSR_SCSI 0x1 // debugging printk's, taken from atari_scsi.h /* Debugging printk definitions: * * ARB -> arbitration * ASEN -> auto-sense * DMA -> DMA * HSH -> PIO handshake * INF -> information transfer * INI -> initialization * INT -> interrupt * LNK -> linked commands * MAIN -> NCR5380_main() control flow * NDAT -> no data-out phase * NWR -> no write commands * PIO -> PIO transfers * PDMA -> pseudo DMA (unused on Atari) * QU -> queues * RSL -> reselections * SEL -> selections * USL -> usleep cpde (unused on Atari) * LBS -> last byte sent (unused on Atari) * RSS -> restarting of selections * EXT -> extended messages * ABRT -> aborting and resetting * TAG -> queue tag handling * MER -> merging of consec. buffers * */ #if NDEBUG & NDEBUG_ARBITRATION #define ARB_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define ARB_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_AUTOSENSE #define ASEN_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define ASEN_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_DMA #define DMA_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define DMA_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_HANDSHAKE #define HSH_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define HSH_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_INFORMATION #define INF_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define INF_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_INIT #define INI_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define INI_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_INTR #define INT_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define INT_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_LINKED #define LNK_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define LNK_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_MAIN #define MAIN_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define MAIN_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_NO_DATAOUT #define NDAT_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define NDAT_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_NO_WRITE #define NWR_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define NWR_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_PIO #define PIO_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define PIO_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_PSEUDO_DMA #define PDMA_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define PDMA_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_QUEUES #define QU_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define QU_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_RESELECTION #define RSL_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define RSL_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_SELECTION #define SEL_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define SEL_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_USLEEP #define USL_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define USL_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_LAST_BYTE_SENT #define LBS_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define LBS_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_RESTART_SELECT #define RSS_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define RSS_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_EXTENDED #define EXT_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define EXT_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_ABORT #define ABRT_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define ABRT_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_TAGS #define TAG_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define TAG_PRINTK(format, args...) #endif #if NDEBUG & NDEBUG_MERGING #define MER_PRINTK(format, args...) \ printk(KERN_DEBUG format , ## args) #else #define MER_PRINTK(format, args...) #endif /* conditional macros for NCR5380_print_{,phase,status} */ #define NCR_PRINT(mask) \ ((NDEBUG & (mask)) ? NCR5380_print(instance) : (void)0) #define NCR_PRINT_PHASE(mask) \ ((NDEBUG & (mask)) ? NCR5380_print_phase(instance) : (void)0) #define NCR_PRINT_STATUS(mask) \ ((NDEBUG & (mask)) ? NCR5380_print_status(instance) : (void)0) #define NDEBUG_ANY 0xffffffff #endif /* ndef HOSTS_C */ #endif /* SUN3_NCR5380_H */ |