adb_direct.c revision 1.48
1 /* $NetBSD: adb_direct.c,v 1.48 2002/11/03 11:04:35 shiba Exp $ */ 2 3 /* From: adb_direct.c 2.02 4/18/97 jpw */ 4 5 /* 6 * Copyright (C) 1996, 1997 John P. Wittkoski 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by John P. Wittkoski. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * This code is rather messy, but I don't have time right now 37 * to clean it up as much as I would like. 38 * But it works, so I'm happy. :-) jpw 39 */ 40 41 /* 42 * TO DO: 43 * - We could reduce the time spent in the adb_intr_* routines 44 * by having them save the incoming and outgoing data directly 45 * in the adbInbound and adbOutbound queues, as it would reduce 46 * the number of times we need to copy the data around. It 47 * would also make the code more readable and easier to follow. 48 * - (Related to above) Use the header part of adbCommand to 49 * reduce the number of copies we have to do of the data. 50 * - (Related to above) Actually implement the adbOutbound queue. 51 * This is fairly easy once you switch all the intr routines 52 * over to using adbCommand structs directly. 53 * - There is a bug in the state machine of adb_intr_cuda 54 * code that causes hangs, especially on 030 machines, probably 55 * because of some timing issues. Because I have been unable to 56 * determine the exact cause of this bug, I used the timeout function 57 * to check for and recover from this condition. If anyone finds 58 * the actual cause of this bug, the calls to timeout and the 59 * adb_cuda_tickle routine can be removed. 60 */ 61 62 #ifdef __NetBSD__ 63 #include "opt_adb.h" 64 65 #include <sys/param.h> 66 #include <sys/cdefs.h> 67 #include <sys/pool.h> 68 #include <sys/queue.h> 69 #include <sys/systm.h> 70 #include <sys/callout.h> 71 72 #include <machine/viareg.h> 73 #include <machine/param.h> 74 #include <machine/cpu.h> 75 #include <machine/adbsys.h> /* required for adbvar.h */ 76 #include <machine/iopreg.h> /* required for IOP support */ 77 78 #include <mac68k/mac68k/macrom.h> 79 #include <mac68k/dev/adbvar.h> 80 #define printf_intr printf 81 #else /* !__NetBSD__, i.e. Mac OS */ 82 #include "via.h" /* for macos based testing */ 83 /* #define ADB_DEBUG */ /* more verbose for testing */ 84 85 /* Types of ADB hardware that we support */ 86 #define ADB_HW_UNKNOWN 0x0 /* don't know */ 87 #define ADB_HW_II 0x1 /* Mac II series */ 88 #define ADB_HW_IISI 0x2 /* Mac IIsi series */ 89 #define ADB_HW_PB 0x3 /* PowerBook series */ 90 #define ADB_HW_CUDA 0x4 /* Machines with a Cuda chip */ 91 #endif /* __NetBSD__ */ 92 93 /* some misc. leftovers */ 94 #define vPB 0x0000 95 #define vPB3 0x08 96 #define vPB4 0x10 97 #define vPB5 0x20 98 #define vSR_INT 0x04 99 #define vSR_OUT 0x10 100 101 /* the type of ADB action that we are currently preforming */ 102 #define ADB_ACTION_NOTREADY 0x1 /* has not been initialized yet */ 103 #define ADB_ACTION_IDLE 0x2 /* the bus is currently idle */ 104 #define ADB_ACTION_OUT 0x3 /* sending out a command */ 105 #define ADB_ACTION_IN 0x4 /* receiving data */ 106 #define ADB_ACTION_POLLING 0x5 /* polling - II only */ 107 #define ADB_ACTION_RUNNING 0x6 /* running - IOP only */ 108 109 /* 110 * These describe the state of the ADB bus itself, although they 111 * don't necessarily correspond directly to ADB states. 112 * Note: these are not really used in the IIsi code. 113 */ 114 #define ADB_BUS_UNKNOWN 0x1 /* we don't know yet - all models */ 115 #define ADB_BUS_IDLE 0x2 /* bus is idle - all models */ 116 #define ADB_BUS_CMD 0x3 /* starting a command - II models */ 117 #define ADB_BUS_ODD 0x4 /* the "odd" state - II models */ 118 #define ADB_BUS_EVEN 0x5 /* the "even" state - II models */ 119 #define ADB_BUS_ACTIVE 0x6 /* active state - IIsi models */ 120 #define ADB_BUS_ACK 0x7 /* currently ACKing - IIsi models */ 121 122 /* 123 * Shortcuts for setting or testing the VIA bit states. 124 * Not all shortcuts are used for every type of ADB hardware. 125 */ 126 #define ADB_SET_STATE_IDLE_II() via_reg(VIA1, vBufB) |= (vPB4 | vPB5) 127 #define ADB_SET_STATE_IDLE_IISI() via_reg(VIA1, vBufB) &= ~(vPB4 | vPB5) 128 #define ADB_SET_STATE_IDLE_CUDA() via_reg(VIA1, vBufB) |= (vPB4 | vPB5) 129 #define ADB_SET_STATE_CMD() via_reg(VIA1, vBufB) &= ~(vPB4 | vPB5) 130 #define ADB_SET_STATE_EVEN() via_reg(VIA1, vBufB) = ((via_reg(VIA1, \ 131 vBufB) | vPB4) & ~vPB5) 132 #define ADB_SET_STATE_ODD() via_reg(VIA1, vBufB) = ((via_reg(VIA1, \ 133 vBufB) | vPB5) & ~vPB4) 134 #define ADB_SET_STATE_ACTIVE() via_reg(VIA1, vBufB) |= vPB5 135 #define ADB_SET_STATE_INACTIVE() via_reg(VIA1, vBufB) &= ~vPB5 136 #define ADB_SET_STATE_TIP() via_reg(VIA1, vBufB) &= ~vPB5 137 #define ADB_CLR_STATE_TIP() via_reg(VIA1, vBufB) |= vPB5 138 #define ADB_SET_STATE_ACKON() via_reg(VIA1, vBufB) |= vPB4 139 #define ADB_SET_STATE_ACKOFF() via_reg(VIA1, vBufB) &= ~vPB4 140 #define ADB_TOGGLE_STATE_ACK_CUDA() via_reg(VIA1, vBufB) ^= vPB4 141 #define ADB_SET_STATE_ACKON_CUDA() via_reg(VIA1, vBufB) &= ~vPB4 142 #define ADB_SET_STATE_ACKOFF_CUDA() via_reg(VIA1, vBufB) |= vPB4 143 #define ADB_SET_SR_INPUT() via_reg(VIA1, vACR) &= ~vSR_OUT 144 #define ADB_SET_SR_OUTPUT() via_reg(VIA1, vACR) |= vSR_OUT 145 #define ADB_SR() via_reg(VIA1, vSR) 146 #define ADB_VIA_INTR_ENABLE() via_reg(VIA1, vIER) = 0x84 147 #define ADB_VIA_INTR_DISABLE() via_reg(VIA1, vIER) = 0x04 148 #define ADB_VIA_CLR_INTR() via_reg(VIA1, vIFR) = 0x04 149 #define ADB_INTR_IS_OFF (vPB3 == (via_reg(VIA1, vBufB) & vPB3)) 150 #define ADB_INTR_IS_ON (0 == (via_reg(VIA1, vBufB) & vPB3)) 151 #define ADB_SR_INTR_IS_OFF (0 == (via_reg(VIA1, vIFR) & vSR_INT)) 152 #define ADB_SR_INTR_IS_ON (vSR_INT == (via_reg(VIA1, \ 153 vIFR) & vSR_INT)) 154 155 /* 156 * This is the delay that is required (in uS) between certain 157 * ADB transactions. The actual timing delay for for each uS is 158 * calculated at boot time to account for differences in machine speed. 159 */ 160 #define ADB_DELAY 150 161 162 /* 163 * Maximum ADB message length; includes space for data, result, and 164 * device code - plus a little for safety. 165 */ 166 #define ADB_MAX_MSG_LENGTH 16 167 #define ADB_MAX_HDR_LENGTH 8 168 169 #define ADB_QUEUE 32 170 #define ADB_TICKLE_TICKS 4 171 172 /* 173 * A structure for storing information about each ADB device. 174 */ 175 struct ADBDevEntry { 176 void (*ServiceRtPtr) __P((void)); 177 void *DataAreaAddr; 178 int devType; 179 int origAddr; 180 int currentAddr; 181 }; 182 183 /* 184 * Used to hold ADB commands that are waiting to be sent out. 185 */ 186 struct adbCmdHoldEntry { 187 u_char outBuf[ADB_MAX_MSG_LENGTH]; /* our message */ 188 u_char *saveBuf; /* buffer to know where to save result */ 189 u_char *compRout; /* completion routine pointer */ 190 u_char *data; /* completion routine data pointer */ 191 }; 192 193 /* 194 * Eventually used for two separate queues, the queue between 195 * the upper and lower halves, and the outgoing packet queue. 196 * TO DO: adbCommand can replace all of adbCmdHoldEntry eventually 197 */ 198 struct adbCommand { 199 u_char header[ADB_MAX_HDR_LENGTH]; /* not used yet */ 200 u_char data[ADB_MAX_MSG_LENGTH]; /* packet data only */ 201 u_char *saveBuf; /* where to save result */ 202 u_char *compRout; /* completion routine pointer */ 203 u_char *compData; /* completion routine data pointer */ 204 u_int cmd; /* the original command for this data */ 205 u_int unsol; /* 1 if packet was unsolicited */ 206 u_int ack_only; /* 1 for no special processing */ 207 }; 208 209 /* 210 * Text representations of each hardware class 211 */ 212 char *adbHardwareDescr[MAX_ADB_HW + 1] = { 213 "unknown", 214 "II series", 215 "IIsi series", 216 "PowerBook", 217 "Cuda", 218 "IOP", 219 }; 220 221 /* 222 * A few variables that we need and their initial values. 223 */ 224 int adbHardware = ADB_HW_UNKNOWN; 225 int adbActionState = ADB_ACTION_NOTREADY; 226 int adbBusState = ADB_BUS_UNKNOWN; 227 int adbWaiting = 0; /* waiting for return data from the device */ 228 int adbWriteDelay = 0; /* working on (or waiting to do) a write */ 229 int adbOutQueueHasData = 0; /* something in the queue waiting to go out */ 230 int adbNextEnd = 0; /* the next incoming bute is the last (II) */ 231 int adbSoftPower = 0; /* machine supports soft power */ 232 233 int adbWaitingCmd = 0; /* ADB command we are waiting for */ 234 u_char *adbBuffer = (long)0; /* pointer to user data area */ 235 void *adbCompRout = (long)0; /* pointer to the completion routine */ 236 void *adbCompData = (long)0; /* pointer to the completion routine data */ 237 long adbFakeInts = 0; /* keeps track of fake ADB interrupts for 238 * timeouts (II) */ 239 int adbStarting = 1; /* doing ADBReInit so do polling differently */ 240 int adbSendTalk = 0; /* the intr routine is sending the talk, not 241 * the user (II) */ 242 int adbPolling = 0; /* we are polling for service request */ 243 int adbPollCmd = 0; /* the last poll command we sent */ 244 245 u_char adbInputBuffer[ADB_MAX_MSG_LENGTH]; /* data input buffer */ 246 u_char adbOutputBuffer[ADB_MAX_MSG_LENGTH]; /* data output buffer */ 247 struct adbCmdHoldEntry adbOutQueue; /* our 1 entry output queue */ 248 249 int adbSentChars = 0; /* how many characters we have sent */ 250 int adbLastDevice = 0; /* last ADB dev we heard from (II ONLY) */ 251 int adbLastDevIndex = 0; /* last ADB dev loc in dev table (II ONLY) */ 252 int adbLastCommand = 0; /* the last ADB command we sent (II) */ 253 254 struct ADBDevEntry ADBDevTable[16]; /* our ADB device table */ 255 int ADBNumDevices; /* num. of ADB devices found with ADBReInit */ 256 257 struct adbCommand adbInbound[ADB_QUEUE]; /* incoming queue */ 258 volatile int adbInCount = 0; /* how many packets in in queue */ 259 int adbInHead = 0; /* head of in queue */ 260 int adbInTail = 0; /* tail of in queue */ 261 struct adbCommand adbOutbound[ADB_QUEUE]; /* outgoing queue - not used yet */ 262 int adbOutCount = 0; /* how many packets in out queue */ 263 int adbOutHead = 0; /* head of out queue */ 264 int adbOutTail = 0; /* tail of out queue */ 265 266 int tickle_count = 0; /* how many tickles seen for this packet? */ 267 int tickle_serial = 0; /* the last packet tickled */ 268 int adb_cuda_serial = 0; /* the current packet */ 269 270 struct callout adb_cuda_tickle_ch = CALLOUT_INITIALIZER; 271 272 extern struct mac68k_machine_S mac68k_machine; 273 274 void pm_setup_adb __P((void)); 275 void pm_hw_setup __P((void)); 276 void pm_check_adb_devices __P((int)); 277 void pm_intr __P((void *)); 278 int pm_adb_op __P((u_char *, void *, void *, int)); 279 void pm_init_adb_device __P((void)); 280 281 /* 282 * The following are private routines. 283 */ 284 #ifdef ADB_DEBUG 285 void print_single __P((u_char *)); 286 #endif 287 void adb_intr __P((void *)); 288 void adb_intr_II __P((void *)); 289 void adb_intr_IIsi __P((void *)); 290 void adb_intr_cuda __P((void *)); 291 void adb_soft_intr __P((void)); 292 int send_adb_II __P((u_char *, u_char *, void *, void *, int)); 293 int send_adb_IIsi __P((u_char *, u_char *, void *, void *, int)); 294 int send_adb_cuda __P((u_char *, u_char *, void *, void *, int)); 295 void adb_intr_cuda_test __P((void)); 296 void adb_cuda_tickle __P((void)); 297 void adb_pass_up __P((struct adbCommand *)); 298 void adb_op_comprout __P((void)); 299 void adb_reinit __P((void)); 300 int count_adbs __P((void)); 301 int get_ind_adb_info __P((ADBDataBlock *, int)); 302 int get_adb_info __P((ADBDataBlock *, int)); 303 int set_adb_info __P((ADBSetInfoBlock *, int)); 304 void adb_setup_hw_type __P((void)); 305 int adb_op __P((Ptr, Ptr, Ptr, short)); 306 void adb_read_II __P((u_char *)); 307 void adb_hw_setup __P((void)); 308 void adb_hw_setup_IIsi __P((u_char *)); 309 void adb_comp_exec __P((void)); 310 int adb_cmd_result __P((u_char *)); 311 int adb_cmd_extra __P((u_char *)); 312 int adb_guess_next_device __P((void)); 313 int adb_prog_switch_enable __P((void)); 314 int adb_prog_switch_disable __P((void)); 315 /* we should create this and it will be the public version */ 316 int send_adb __P((u_char *, void *, void *)); 317 void adb_iop_recv __P((IOP *, struct iop_msg *)); 318 int send_adb_iop __P((int, u_char *, void *, void *)); 319 320 #ifdef ADB_DEBUG 321 /* 322 * print_single 323 * Diagnostic display routine. Displays the hex values of the 324 * specified elements of the u_char. The length of the "string" 325 * is in [0]. 326 */ 327 void 328 print_single(str) 329 u_char *str; 330 { 331 int x; 332 333 if (str == 0) { 334 printf_intr("no data - null pointer\n"); 335 return; 336 } 337 if (*str == 0) { 338 printf_intr("nothing returned\n"); 339 return; 340 } 341 if (*str > 20) { 342 printf_intr("ADB: ACK > 20 no way!\n"); 343 *str = (u_char)20; 344 } 345 printf_intr("(length=0x%x):", (u_int)*str); 346 for (x = 1; x <= *str; x++) 347 printf_intr(" 0x%02x", (u_int)*(str + x)); 348 printf_intr("\n"); 349 } 350 #endif 351 352 void 353 adb_cuda_tickle(void) 354 { 355 volatile int s; 356 357 if (adbActionState == ADB_ACTION_IN) { 358 if (tickle_serial == adb_cuda_serial) { 359 if (++tickle_count > 0) { 360 s = splhigh(); 361 adbActionState = ADB_ACTION_IDLE; 362 adbInputBuffer[0] = 0; 363 ADB_SET_STATE_IDLE_CUDA(); 364 splx(s); 365 } 366 } else { 367 tickle_serial = adb_cuda_serial; 368 tickle_count = 0; 369 } 370 } else { 371 tickle_serial = adb_cuda_serial; 372 tickle_count = 0; 373 } 374 375 callout_reset(&adb_cuda_tickle_ch, ADB_TICKLE_TICKS, 376 (void *)adb_cuda_tickle, NULL); 377 } 378 379 /* 380 * called when when an adb interrupt happens 381 * 382 * Cuda version of adb_intr 383 * TO DO: do we want to add some calls to intr_dispatch() here to 384 * grab serial interrupts? 385 */ 386 void 387 adb_intr_cuda(void *arg) 388 { 389 volatile int i, ending; 390 volatile unsigned int s; 391 struct adbCommand packet; 392 393 s = splhigh(); /* can't be too careful - might be called */ 394 /* from a routine, NOT an interrupt */ 395 396 ADB_VIA_CLR_INTR(); /* clear interrupt */ 397 ADB_VIA_INTR_DISABLE(); /* disable ADB interrupt on IIs. */ 398 399 switch_start: 400 switch (adbActionState) { 401 case ADB_ACTION_IDLE: 402 /* 403 * This is an unexpected packet, so grab the first (dummy) 404 * byte, set up the proper vars, and tell the chip we are 405 * starting to receive the packet by setting the TIP bit. 406 */ 407 adbInputBuffer[1] = ADB_SR(); 408 adb_cuda_serial++; 409 if (ADB_INTR_IS_OFF) /* must have been a fake start */ 410 break; 411 412 ADB_SET_SR_INPUT(); 413 ADB_SET_STATE_TIP(); 414 415 adbInputBuffer[0] = 1; 416 adbActionState = ADB_ACTION_IN; 417 #ifdef ADB_DEBUG 418 if (adb_debug) 419 printf_intr("idle 0x%02x ", adbInputBuffer[1]); 420 #endif 421 break; 422 423 case ADB_ACTION_IN: 424 adbInputBuffer[++adbInputBuffer[0]] = ADB_SR(); 425 /* intr off means this is the last byte (end of frame) */ 426 if (ADB_INTR_IS_OFF) 427 ending = 1; 428 else 429 ending = 0; 430 431 if (1 == ending) { /* end of message? */ 432 #ifdef ADB_DEBUG 433 if (adb_debug) { 434 printf_intr("in end 0x%02x ", 435 adbInputBuffer[adbInputBuffer[0]]); 436 print_single(adbInputBuffer); 437 } 438 #endif 439 440 /* 441 * Are we waiting AND does this packet match what we 442 * are waiting for AND is it coming from either the 443 * ADB or RTC/PRAM sub-device? This section _should_ 444 * recognize all ADB and RTC/PRAM type commands, but 445 * there may be more... NOTE: commands are always at 446 * [4], even for RTC/PRAM commands. 447 */ 448 /* set up data for adb_pass_up */ 449 memcpy(packet.data, adbInputBuffer, adbInputBuffer[0] + 1); 450 451 if ((adbWaiting == 1) && 452 (adbInputBuffer[4] == adbWaitingCmd) && 453 ((adbInputBuffer[2] == 0x00) || 454 (adbInputBuffer[2] == 0x01))) { 455 packet.saveBuf = adbBuffer; 456 packet.compRout = adbCompRout; 457 packet.compData = adbCompData; 458 packet.unsol = 0; 459 packet.ack_only = 0; 460 adb_pass_up(&packet); 461 462 adbWaitingCmd = 0; /* reset "waiting" vars */ 463 adbWaiting = 0; 464 adbBuffer = (long)0; 465 adbCompRout = (long)0; 466 adbCompData = (long)0; 467 } else { 468 packet.unsol = 1; 469 packet.ack_only = 0; 470 adb_pass_up(&packet); 471 } 472 473 474 /* reset vars and signal the end of this frame */ 475 adbActionState = ADB_ACTION_IDLE; 476 adbInputBuffer[0] = 0; 477 ADB_SET_STATE_IDLE_CUDA(); 478 /*ADB_SET_SR_INPUT();*/ 479 480 /* 481 * If there is something waiting to be sent out, 482 * the set everything up and send the first byte. 483 */ 484 if (adbWriteDelay == 1) { 485 delay(ADB_DELAY); /* required */ 486 adbSentChars = 0; 487 adbActionState = ADB_ACTION_OUT; 488 /* 489 * If the interrupt is on, we were too slow 490 * and the chip has already started to send 491 * something to us, so back out of the write 492 * and start a read cycle. 493 */ 494 if (ADB_INTR_IS_ON) { 495 ADB_SET_SR_INPUT(); 496 ADB_SET_STATE_IDLE_CUDA(); 497 adbSentChars = 0; 498 adbActionState = ADB_ACTION_IDLE; 499 adbInputBuffer[0] = 0; 500 break; 501 } 502 /* 503 * If we got here, it's ok to start sending 504 * so load the first byte and tell the chip 505 * we want to send. 506 */ 507 ADB_SET_STATE_TIP(); 508 ADB_SET_SR_OUTPUT(); 509 ADB_SR() = adbOutputBuffer[adbSentChars + 1]; 510 } 511 } else { 512 ADB_TOGGLE_STATE_ACK_CUDA(); 513 #ifdef ADB_DEBUG 514 if (adb_debug) 515 printf_intr("in 0x%02x ", 516 adbInputBuffer[adbInputBuffer[0]]); 517 #endif 518 } 519 break; 520 521 case ADB_ACTION_OUT: 522 i = ADB_SR(); /* reset SR-intr in IFR */ 523 #ifdef ADB_DEBUG 524 if (adb_debug) 525 printf_intr("intr out 0x%02x ", i); 526 #endif 527 528 adbSentChars++; 529 if (ADB_INTR_IS_ON) { /* ADB intr low during write */ 530 #ifdef ADB_DEBUG 531 if (adb_debug) 532 printf_intr("intr was on "); 533 #endif 534 ADB_SET_SR_INPUT(); /* make sure SR is set to IN */ 535 ADB_SET_STATE_IDLE_CUDA(); 536 adbSentChars = 0; /* must start all over */ 537 adbActionState = ADB_ACTION_IDLE; /* new state */ 538 adbInputBuffer[0] = 0; 539 adbWriteDelay = 1; /* must retry when done with 540 * read */ 541 delay(ADB_DELAY); 542 goto switch_start; /* process next state right 543 * now */ 544 break; 545 } 546 if (adbOutputBuffer[0] == adbSentChars) { /* check for done */ 547 if (0 == adb_cmd_result(adbOutputBuffer)) { /* do we expect data 548 * back? */ 549 adbWaiting = 1; /* signal waiting for return */ 550 adbWaitingCmd = adbOutputBuffer[2]; /* save waiting command */ 551 } else { /* no talk, so done */ 552 /* set up stuff for adb_pass_up */ 553 memcpy(packet.data, adbInputBuffer, adbInputBuffer[0] + 1); 554 packet.saveBuf = adbBuffer; 555 packet.compRout = adbCompRout; 556 packet.compData = adbCompData; 557 packet.cmd = adbWaitingCmd; 558 packet.unsol = 0; 559 packet.ack_only = 1; 560 adb_pass_up(&packet); 561 562 /* reset "waiting" vars, just in case */ 563 adbWaitingCmd = 0; 564 adbBuffer = (long)0; 565 adbCompRout = (long)0; 566 adbCompData = (long)0; 567 } 568 569 adbWriteDelay = 0; /* done writing */ 570 adbActionState = ADB_ACTION_IDLE; /* signal bus is idle */ 571 ADB_SET_SR_INPUT(); 572 ADB_SET_STATE_IDLE_CUDA(); 573 #ifdef ADB_DEBUG 574 if (adb_debug) 575 printf_intr("write done "); 576 #endif 577 } else { 578 ADB_SR() = adbOutputBuffer[adbSentChars + 1]; /* send next byte */ 579 ADB_TOGGLE_STATE_ACK_CUDA(); /* signal byte ready to 580 * shift */ 581 #ifdef ADB_DEBUG 582 if (adb_debug) 583 printf_intr("toggle "); 584 #endif 585 } 586 break; 587 588 case ADB_ACTION_NOTREADY: 589 #ifdef ADB_DEBUG 590 if (adb_debug) 591 printf_intr("adb: not yet initialized\n"); 592 #endif 593 break; 594 595 default: 596 #ifdef ADB_DEBUG 597 if (adb_debug) 598 printf_intr("intr: unknown ADB state\n"); 599 #endif 600 break; 601 } 602 603 ADB_VIA_INTR_ENABLE(); /* enable ADB interrupt on IIs. */ 604 605 splx(s); /* restore */ 606 607 return; 608 } /* end adb_intr_cuda */ 609 610 611 int 612 send_adb_cuda(u_char * in, u_char * buffer, void *compRout, void *data, int 613 command) 614 { 615 int s, len; 616 617 #ifdef ADB_DEBUG 618 if (adb_debug) 619 printf_intr("SEND\n"); 620 #endif 621 622 if (adbActionState == ADB_ACTION_NOTREADY) 623 return 1; 624 625 /* Don't interrupt while we are messing with the ADB */ 626 s = splhigh(); 627 628 if ((adbActionState == ADB_ACTION_IDLE) && /* ADB available? */ 629 (ADB_INTR_IS_OFF)) { /* and no incoming interrupt? */ 630 } else 631 if (adbWriteDelay == 0) /* it's busy, but is anything waiting? */ 632 adbWriteDelay = 1; /* if no, then we'll "queue" 633 * it up */ 634 else { 635 splx(s); 636 return 1; /* really busy! */ 637 } 638 639 #ifdef ADB_DEBUG 640 if (adb_debug) 641 printf_intr("QUEUE\n"); 642 #endif 643 if ((long)in == (long)0) { /* need to convert? */ 644 /* 645 * Don't need to use adb_cmd_extra here because this section 646 * will be called ONLY when it is an ADB command (no RTC or 647 * PRAM) 648 */ 649 if ((command & 0x0c) == 0x08) /* copy addl data ONLY if 650 * doing a listen! */ 651 len = buffer[0]; /* length of additional data */ 652 else 653 len = 0;/* no additional data */ 654 655 adbOutputBuffer[0] = 2 + len; /* dev. type + command + addl. 656 * data */ 657 adbOutputBuffer[1] = 0x00; /* mark as an ADB command */ 658 adbOutputBuffer[2] = (u_char)command; /* load command */ 659 660 /* copy additional output data, if any */ 661 memcpy(adbOutputBuffer + 3, buffer + 1, len); 662 } else 663 /* if data ready, just copy over */ 664 memcpy(adbOutputBuffer, in, in[0] + 2); 665 666 adbSentChars = 0; /* nothing sent yet */ 667 adbBuffer = buffer; /* save buffer to know where to save result */ 668 adbCompRout = compRout; /* save completion routine pointer */ 669 adbCompData = data; /* save completion routine data pointer */ 670 adbWaitingCmd = adbOutputBuffer[2]; /* save wait command */ 671 672 if (adbWriteDelay != 1) { /* start command now? */ 673 #ifdef ADB_DEBUG 674 if (adb_debug) 675 printf_intr("out start NOW"); 676 #endif 677 delay(ADB_DELAY); 678 adbActionState = ADB_ACTION_OUT; /* set next state */ 679 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 680 ADB_SR() = adbOutputBuffer[adbSentChars + 1]; /* load byte for output */ 681 ADB_SET_STATE_ACKOFF_CUDA(); 682 ADB_SET_STATE_TIP(); /* tell ADB that we want to send */ 683 } 684 adbWriteDelay = 1; /* something in the write "queue" */ 685 686 splx(s); 687 688 if (0x0100 <= (s & 0x0700)) /* were VIA1 interrupts blocked? */ 689 /* poll until byte done */ 690 while ((adbActionState != ADB_ACTION_IDLE) || (ADB_INTR_IS_ON) 691 || (adbWaiting == 1)) 692 if (ADB_SR_INTR_IS_ON) { /* wait for "interrupt" */ 693 adb_intr_cuda(NULL); /* go process it */ 694 if (adb_polling) 695 adb_soft_intr(); 696 } 697 698 return 0; 699 } /* send_adb_cuda */ 700 701 702 void 703 adb_intr_II(void *arg) 704 { 705 struct adbCommand packet; 706 int i, intr_on = 0; 707 int send = 0; 708 unsigned int s; 709 710 s = splhigh(); /* can't be too careful - might be called */ 711 /* from a routine, NOT an interrupt */ 712 713 ADB_VIA_CLR_INTR(); /* clear interrupt */ 714 715 ADB_VIA_INTR_DISABLE(); /* disable ADB interrupt on IIs. */ 716 717 delay(ADB_DELAY); /* yuck (don't remove) */ 718 719 (void)intr_dispatch(0x70); /* grab any serial interrupts */ 720 721 if (ADB_INTR_IS_ON) 722 intr_on = 1; /* save for later */ 723 724 switch_start: 725 switch (adbActionState) { 726 case ADB_ACTION_POLLING: 727 if (!intr_on) { 728 if (adbOutQueueHasData) { 729 #ifdef ADB_DEBUG 730 if (adb_debug & 0x80) 731 printf_intr("POLL-doing-out-queue. "); 732 #endif 733 ADB_SET_STATE_IDLE_II(); 734 delay(ADB_DELAY); 735 736 /* copy over data */ 737 memcpy(adbOutputBuffer, adbOutQueue.outBuf, 738 adbOutQueue.outBuf[0] + 2); 739 740 adbBuffer = adbOutQueue.saveBuf; /* user data area */ 741 adbCompRout = adbOutQueue.compRout; /* completion routine */ 742 adbCompData = adbOutQueue.data; /* comp. rout. data */ 743 adbOutQueueHasData = 0; /* currently processing 744 * "queue" entry */ 745 adbSentChars = 0; /* nothing sent yet */ 746 adbActionState = ADB_ACTION_OUT; /* set next state */ 747 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 748 ADB_SR() = adbOutputBuffer[1]; /* load byte for output */ 749 adbBusState = ADB_BUS_CMD; /* set bus to cmd state */ 750 ADB_SET_STATE_CMD(); /* tell ADB that we want to send */ 751 break; 752 } else { 753 #ifdef ADB_DEBUG 754 if (adb_debug) 755 printf_intr("pIDLE "); 756 #endif 757 adbActionState = ADB_ACTION_IDLE; 758 } 759 } else { 760 #ifdef ADB_DEBUG 761 if (adb_debug & 0x80) 762 printf_intr("pIN "); 763 #endif 764 adbActionState = ADB_ACTION_IN; 765 } 766 delay(ADB_DELAY); 767 (void)intr_dispatch(0x70); /* grab any serial interrupts */ 768 goto switch_start; 769 break; 770 case ADB_ACTION_IDLE: 771 if (!intr_on) { 772 i = ADB_SR(); 773 adbBusState = ADB_BUS_IDLE; 774 adbActionState = ADB_ACTION_IDLE; 775 ADB_SET_STATE_IDLE_II(); 776 break; 777 } 778 adbInputBuffer[0] = 1; 779 adbInputBuffer[1] = ADB_SR(); /* get first byte */ 780 #ifdef ADB_DEBUG 781 if (adb_debug & 0x80) 782 printf_intr("idle 0x%02x ", adbInputBuffer[1]); 783 #endif 784 ADB_SET_SR_INPUT(); /* make sure SR is set to IN */ 785 adbActionState = ADB_ACTION_IN; /* set next state */ 786 ADB_SET_STATE_EVEN(); /* set bus state to even */ 787 adbBusState = ADB_BUS_EVEN; 788 break; 789 790 case ADB_ACTION_IN: 791 adbInputBuffer[++adbInputBuffer[0]] = ADB_SR(); /* get byte */ 792 #ifdef ADB_DEBUG 793 if (adb_debug & 0x80) 794 printf_intr("in 0x%02x ", 795 adbInputBuffer[adbInputBuffer[0]]); 796 #endif 797 ADB_SET_SR_INPUT(); /* make sure SR is set to IN */ 798 799 if (intr_on) { /* process last byte of packet */ 800 adbInputBuffer[0]--; /* minus one */ 801 /* 802 * If intr_on was true, and it's the second byte, then 803 * the byte we just discarded is really valid, so 804 * adjust the count 805 */ 806 if (adbInputBuffer[0] == 2) { 807 adbInputBuffer[0]++; 808 } 809 810 #ifdef ADB_DEBUG 811 if (adb_debug & 0x80) { 812 printf_intr("done: "); 813 print_single(adbInputBuffer); 814 } 815 #endif 816 817 adbLastDevice = ADB_CMDADDR(adbInputBuffer[1]); 818 819 if (adbInputBuffer[0] == 1 && !adbWaiting) { /* SRQ!!!*/ 820 #ifdef ADB_DEBUG 821 if (adb_debug & 0x80) 822 printf_intr(" xSRQ! "); 823 #endif 824 adb_guess_next_device(); 825 #ifdef ADB_DEBUG 826 if (adb_debug & 0x80) 827 printf_intr("try 0x%0x ", 828 adbLastDevice); 829 #endif 830 adbOutputBuffer[0] = 1; 831 adbOutputBuffer[1] = ADBTALK(adbLastDevice, 0); 832 833 adbSentChars = 0; /* nothing sent yet */ 834 adbActionState = ADB_ACTION_POLLING; /* set next state */ 835 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 836 ADB_SR() = adbOutputBuffer[1]; /* load byte for output */ 837 adbBusState = ADB_BUS_CMD; /* set bus to cmd state */ 838 ADB_SET_STATE_CMD(); /* tell ADB that we want to */ 839 break; 840 } 841 842 /* set up data for adb_pass_up */ 843 memcpy(packet.data, adbInputBuffer, adbInputBuffer[0] + 1); 844 845 if (!adbWaiting && (adbInputBuffer[0] != 0)) { 846 packet.unsol = 1; 847 packet.ack_only = 0; 848 adb_pass_up(&packet); 849 } else { 850 packet.saveBuf = adbBuffer; 851 packet.compRout = adbCompRout; 852 packet.compData = adbCompData; 853 packet.unsol = 0; 854 packet.ack_only = 0; 855 adb_pass_up(&packet); 856 } 857 858 adbWaiting = 0; 859 adbInputBuffer[0] = 0; 860 adbBuffer = (long)0; 861 adbCompRout = (long)0; 862 adbCompData = (long)0; 863 /* 864 * Since we are done, check whether there is any data 865 * waiting to do out. If so, start the sending the data. 866 */ 867 if (adbOutQueueHasData == 1) { 868 #ifdef ADB_DEBUG 869 if (adb_debug & 0x80) 870 printf_intr("XXX: DOING OUT QUEUE\n"); 871 #endif 872 /* copy over data */ 873 memcpy(adbOutputBuffer, adbOutQueue.outBuf, 874 adbOutQueue.outBuf[0] + 2); 875 adbBuffer = adbOutQueue.saveBuf; /* user data area */ 876 adbCompRout = adbOutQueue.compRout; /* completion routine */ 877 adbCompData = adbOutQueue.data; /* comp. rout. data */ 878 adbOutQueueHasData = 0; /* currently processing 879 * "queue" entry */ 880 send = 1; 881 } else { 882 #ifdef ADB_DEBUG 883 if (adb_debug & 0x80) 884 printf_intr("XXending "); 885 #endif 886 adb_guess_next_device(); 887 adbOutputBuffer[0] = 1; 888 adbOutputBuffer[1] = ((adbLastDevice & 0x0f) << 4) | 0x0c; 889 adbSentChars = 0; /* nothing sent yet */ 890 adbActionState = ADB_ACTION_POLLING; /* set next state */ 891 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 892 ADB_SR() = adbOutputBuffer[1]; /* load byte for output */ 893 adbBusState = ADB_BUS_CMD; /* set bus to cmd state */ 894 ADB_SET_STATE_CMD(); /* tell ADB that we want to */ 895 break; 896 } 897 } 898 899 /* 900 * If send is true then something above determined that 901 * the message has ended and we need to start sending out 902 * a new message immediately. This could be because there 903 * is data waiting to go out or because an SRQ was seen. 904 */ 905 if (send) { 906 adbSentChars = 0; /* nothing sent yet */ 907 adbActionState = ADB_ACTION_OUT; /* set next state */ 908 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 909 ADB_SR() = adbOutputBuffer[1]; /* load byte for output */ 910 adbBusState = ADB_BUS_CMD; /* set bus to cmd state */ 911 ADB_SET_STATE_CMD(); /* tell ADB that we want to 912 * send */ 913 break; 914 } 915 /* We only get this far if the message hasn't ended yet. */ 916 switch (adbBusState) { /* set to next state */ 917 case ADB_BUS_EVEN: 918 ADB_SET_STATE_ODD(); /* set state to odd */ 919 adbBusState = ADB_BUS_ODD; 920 break; 921 922 case ADB_BUS_ODD: 923 ADB_SET_STATE_EVEN(); /* set state to even */ 924 adbBusState = ADB_BUS_EVEN; 925 break; 926 default: 927 printf_intr("strange state!!!\n"); /* huh? */ 928 break; 929 } 930 break; 931 932 case ADB_ACTION_OUT: 933 i = ADB_SR(); /* clear interrupt */ 934 adbSentChars++; 935 /* 936 * If the outgoing data was a TALK, we must 937 * switch to input mode to get the result. 938 */ 939 if ((adbOutputBuffer[1] & 0x0c) == 0x0c) { 940 adbInputBuffer[0] = 1; 941 adbInputBuffer[1] = i; 942 adbActionState = ADB_ACTION_IN; 943 ADB_SET_SR_INPUT(); 944 adbBusState = ADB_BUS_EVEN; 945 ADB_SET_STATE_EVEN(); 946 #ifdef ADB_DEBUG 947 if (adb_debug & 0x80) 948 printf_intr("talk out 0x%02x ", i); 949 #endif 950 /* we want something back */ 951 adbWaiting = 1; 952 break; 953 } 954 /* 955 * If it's not a TALK, check whether all data has been sent. 956 * If so, call the completion routine and clean up. If not, 957 * advance to the next state. 958 */ 959 #ifdef ADB_DEBUG 960 if (adb_debug & 0x80) 961 printf_intr("non-talk out 0x%0x ", i); 962 #endif 963 ADB_SET_SR_OUTPUT(); 964 if (adbOutputBuffer[0] == adbSentChars) { /* check for done */ 965 #ifdef ADB_DEBUG 966 if (adb_debug & 0x80) 967 printf_intr("done \n"); 968 #endif 969 /* set up stuff for adb_pass_up */ 970 memcpy(packet.data, adbOutputBuffer, adbOutputBuffer[0] + 1); 971 packet.saveBuf = adbBuffer; 972 packet.compRout = adbCompRout; 973 packet.compData = adbCompData; 974 packet.cmd = adbWaitingCmd; 975 packet.unsol = 0; 976 packet.ack_only = 1; 977 adb_pass_up(&packet); 978 979 /* reset "waiting" vars, just in case */ 980 adbBuffer = (long)0; 981 adbCompRout = (long)0; 982 adbCompData = (long)0; 983 if (adbOutQueueHasData == 1) { 984 /* copy over data */ 985 memcpy(adbOutputBuffer, adbOutQueue.outBuf, 986 adbOutQueue.outBuf[0] + 2); 987 adbBuffer = adbOutQueue.saveBuf; /* user data area */ 988 adbCompRout = adbOutQueue.compRout; /* completion routine */ 989 adbCompData = adbOutQueue.data; /* comp. rout. data */ 990 adbOutQueueHasData = 0; /* currently processing 991 * "queue" entry */ 992 adbSentChars = 0; /* nothing sent yet */ 993 adbActionState = ADB_ACTION_OUT; /* set next state */ 994 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 995 ADB_SR() = adbOutputBuffer[1]; /* load byte for output */ 996 adbBusState = ADB_BUS_CMD; /* set bus to cmd state */ 997 ADB_SET_STATE_CMD(); /* tell ADB that we want to 998 * send */ 999 break; 1000 } else { 1001 /* send talk to last device instead */ 1002 adbOutputBuffer[0] = 1; 1003 adbOutputBuffer[1] = 1004 ADBTALK(ADB_CMDADDR(adbOutputBuffer[1]), 0); 1005 1006 adbSentChars = 0; /* nothing sent yet */ 1007 adbActionState = ADB_ACTION_IDLE; /* set next state */ 1008 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 1009 ADB_SR() = adbOutputBuffer[1]; /* load byte for output */ 1010 adbBusState = ADB_BUS_CMD; /* set bus to cmd state */ 1011 ADB_SET_STATE_CMD(); /* tell ADB that we want to */ 1012 break; 1013 } 1014 } 1015 ADB_SR() = adbOutputBuffer[adbSentChars + 1]; 1016 switch (adbBusState) { /* advance to next state */ 1017 case ADB_BUS_EVEN: 1018 ADB_SET_STATE_ODD(); /* set state to odd */ 1019 adbBusState = ADB_BUS_ODD; 1020 break; 1021 1022 case ADB_BUS_CMD: 1023 case ADB_BUS_ODD: 1024 ADB_SET_STATE_EVEN(); /* set state to even */ 1025 adbBusState = ADB_BUS_EVEN; 1026 break; 1027 1028 default: 1029 #ifdef ADB_DEBUG 1030 if (adb_debug) { 1031 printf_intr("strange state!!! (0x%x)\n", 1032 adbBusState); 1033 } 1034 #endif 1035 break; 1036 } 1037 break; 1038 1039 default: 1040 #ifdef ADB_DEBUG 1041 if (adb_debug) 1042 printf_intr("adb: unknown ADB state (during intr)\n"); 1043 #endif 1044 break; 1045 } 1046 1047 ADB_VIA_INTR_ENABLE(); /* enable ADB interrupt on IIs. */ 1048 1049 splx(s); /* restore */ 1050 1051 return; 1052 1053 } 1054 1055 1056 /* 1057 * send_adb version for II series machines 1058 */ 1059 int 1060 send_adb_II(u_char * in, u_char * buffer, void *compRout, void *data, int command) 1061 { 1062 int s, len; 1063 1064 if (adbActionState == ADB_ACTION_NOTREADY) /* return if ADB not 1065 * available */ 1066 return 1; 1067 1068 /* Don't interrupt while we are messing with the ADB */ 1069 s = splhigh(); 1070 1071 if (0 != adbOutQueueHasData) { /* right now, "has data" means "full" */ 1072 splx(s); /* sorry, try again later */ 1073 return 1; 1074 } 1075 if ((long)in == (long)0) { /* need to convert? */ 1076 /* 1077 * Don't need to use adb_cmd_extra here because this section 1078 * will be called ONLY when it is an ADB command (no RTC or 1079 * PRAM), especially on II series! 1080 */ 1081 if ((command & 0x0c) == 0x08) /* copy addl data ONLY if 1082 * doing a listen! */ 1083 len = buffer[0]; /* length of additional data */ 1084 else 1085 len = 0;/* no additional data */ 1086 1087 adbOutQueue.outBuf[0] = 1 + len; /* command + addl. data */ 1088 adbOutQueue.outBuf[1] = (u_char)command; /* load command */ 1089 1090 /* copy additional output data, if any */ 1091 memcpy(adbOutQueue.outBuf + 2, buffer + 1, len); 1092 } else 1093 /* if data ready, just copy over */ 1094 memcpy(adbOutQueue.outBuf, in, in[0] + 2); 1095 1096 adbOutQueue.saveBuf = buffer; /* save buffer to know where to save 1097 * result */ 1098 adbOutQueue.compRout = compRout; /* save completion routine 1099 * pointer */ 1100 adbOutQueue.data = data;/* save completion routine data pointer */ 1101 1102 if ((adbActionState == ADB_ACTION_IDLE) && /* is ADB available? */ 1103 (ADB_INTR_IS_OFF)) { /* and no incoming interrupts? */ 1104 /* then start command now */ 1105 memcpy(adbOutputBuffer, adbOutQueue.outBuf, 1106 adbOutQueue.outBuf[0] + 2); /* copy over data */ 1107 1108 adbBuffer = adbOutQueue.saveBuf; /* pointer to user data 1109 * area */ 1110 adbCompRout = adbOutQueue.compRout; /* pointer to the 1111 * completion routine */ 1112 adbCompData = adbOutQueue.data; /* pointer to the completion 1113 * routine data */ 1114 1115 adbSentChars = 0; /* nothing sent yet */ 1116 adbActionState = ADB_ACTION_OUT; /* set next state */ 1117 adbBusState = ADB_BUS_CMD; /* set bus to cmd state */ 1118 1119 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 1120 1121 ADB_SR() = adbOutputBuffer[adbSentChars + 1]; /* load byte for output */ 1122 ADB_SET_STATE_CMD(); /* tell ADB that we want to send */ 1123 adbOutQueueHasData = 0; /* currently processing "queue" entry */ 1124 } else 1125 adbOutQueueHasData = 1; /* something in the write "queue" */ 1126 1127 splx(s); 1128 1129 if (0x0100 <= (s & 0x0700)) /* were VIA1 interrupts blocked? */ 1130 /* poll until message done */ 1131 while ((adbActionState != ADB_ACTION_IDLE) || (ADB_INTR_IS_ON) 1132 || (adbWaiting == 1)) 1133 if (ADB_SR_INTR_IS_ON) { /* wait for "interrupt" */ 1134 adb_intr_II(NULL); /* go process it */ 1135 if (adb_polling) 1136 adb_soft_intr(); 1137 } 1138 1139 return 0; 1140 } 1141 1142 1143 /* 1144 * This routine is called from the II series interrupt routine 1145 * to determine what the "next" device is that should be polled. 1146 */ 1147 int 1148 adb_guess_next_device(void) 1149 { 1150 int last, i, dummy; 1151 1152 if (adbStarting) { 1153 /* 1154 * Start polling EVERY device, since we can't be sure there is 1155 * anything in the device table yet 1156 */ 1157 if (adbLastDevice < 1 || adbLastDevice > 15) 1158 adbLastDevice = 1; 1159 if (++adbLastDevice > 15) /* point to next one */ 1160 adbLastDevice = 1; 1161 } else { 1162 /* find the next device using the device table */ 1163 if (adbLastDevice < 1 || adbLastDevice > 15) /* let's be parinoid */ 1164 adbLastDevice = 2; 1165 last = 1; /* default index location */ 1166 1167 for (i = 1; i < 16; i++) /* find index entry */ 1168 if (ADBDevTable[i].currentAddr == adbLastDevice) { /* look for device */ 1169 last = i; /* found it */ 1170 break; 1171 } 1172 dummy = last; /* index to start at */ 1173 for (;;) { /* find next device in index */ 1174 if (++dummy > 15) /* wrap around if needed */ 1175 dummy = 1; 1176 if (dummy == last) { /* didn't find any other 1177 * device! This can happen if 1178 * there are no devices on the 1179 * bus */ 1180 dummy = 1; 1181 break; 1182 } 1183 /* found the next device */ 1184 if (ADBDevTable[dummy].devType != 0) 1185 break; 1186 } 1187 adbLastDevice = ADBDevTable[dummy].currentAddr; 1188 } 1189 return adbLastDevice; 1190 } 1191 1192 1193 /* 1194 * Called when when an adb interrupt happens. 1195 * This routine simply transfers control over to the appropriate 1196 * code for the machine we are running on. 1197 */ 1198 void 1199 adb_intr(void *arg) 1200 { 1201 switch (adbHardware) { 1202 case ADB_HW_II: 1203 adb_intr_II(arg); 1204 break; 1205 1206 case ADB_HW_IISI: 1207 adb_intr_IIsi(arg); 1208 break; 1209 1210 case ADB_HW_PB: /* Should not come through here. */ 1211 break; 1212 1213 case ADB_HW_CUDA: 1214 adb_intr_cuda(arg); 1215 break; 1216 1217 case ADB_HW_IOP: /* Should not come through here. */ 1218 break; 1219 1220 case ADB_HW_UNKNOWN: 1221 break; 1222 } 1223 } 1224 1225 1226 /* 1227 * called when when an adb interrupt happens 1228 * 1229 * IIsi version of adb_intr 1230 * 1231 */ 1232 void 1233 adb_intr_IIsi(void *arg) 1234 { 1235 struct adbCommand packet; 1236 int i, ending; 1237 unsigned int s; 1238 1239 s = splhigh(); /* can't be too careful - might be called */ 1240 /* from a routine, NOT an interrupt */ 1241 1242 ADB_VIA_CLR_INTR(); /* clear interrupt */ 1243 1244 ADB_VIA_INTR_DISABLE(); /* disable ADB interrupt on IIs. */ 1245 1246 switch_start: 1247 switch (adbActionState) { 1248 case ADB_ACTION_IDLE: 1249 delay(ADB_DELAY); /* short delay is required before the 1250 * first byte */ 1251 1252 ADB_SET_SR_INPUT(); /* make sure SR is set to IN */ 1253 ADB_SET_STATE_ACTIVE(); /* signal start of data frame */ 1254 adbInputBuffer[1] = ADB_SR(); /* get byte */ 1255 adbInputBuffer[0] = 1; 1256 adbActionState = ADB_ACTION_IN; /* set next state */ 1257 1258 ADB_SET_STATE_ACKON(); /* start ACK to ADB chip */ 1259 delay(ADB_DELAY); /* delay */ 1260 ADB_SET_STATE_ACKOFF(); /* end ACK to ADB chip */ 1261 (void)intr_dispatch(0x70); /* grab any serial interrupts */ 1262 break; 1263 1264 case ADB_ACTION_IN: 1265 ADB_SET_SR_INPUT(); /* make sure SR is set to IN */ 1266 adbInputBuffer[++adbInputBuffer[0]] = ADB_SR(); /* get byte */ 1267 if (ADB_INTR_IS_OFF) /* check for end of frame */ 1268 ending = 1; 1269 else 1270 ending = 0; 1271 1272 ADB_SET_STATE_ACKON(); /* start ACK to ADB chip */ 1273 delay(ADB_DELAY); /* delay */ 1274 ADB_SET_STATE_ACKOFF(); /* end ACK to ADB chip */ 1275 (void)intr_dispatch(0x70); /* grab any serial interrupts */ 1276 1277 if (1 == ending) { /* end of message? */ 1278 ADB_SET_STATE_INACTIVE(); /* signal end of frame */ 1279 /* 1280 * This section _should_ handle all ADB and RTC/PRAM 1281 * type commands, but there may be more... Note: 1282 * commands are always at [4], even for rtc/pram 1283 * commands 1284 */ 1285 /* set up data for adb_pass_up */ 1286 memcpy(packet.data, adbInputBuffer, adbInputBuffer[0] + 1); 1287 1288 if ((adbWaiting == 1) && /* are we waiting AND */ 1289 (adbInputBuffer[4] == adbWaitingCmd) && /* the cmd we sent AND */ 1290 ((adbInputBuffer[2] == 0x00) || /* it's from the ADB 1291 * device OR */ 1292 (adbInputBuffer[2] == 0x01))) { /* it's from the 1293 * PRAM/RTC device */ 1294 1295 packet.saveBuf = adbBuffer; 1296 packet.compRout = adbCompRout; 1297 packet.compData = adbCompData; 1298 packet.unsol = 0; 1299 packet.ack_only = 0; 1300 adb_pass_up(&packet); 1301 1302 adbWaitingCmd = 0; /* reset "waiting" vars */ 1303 adbWaiting = 0; 1304 adbBuffer = (long)0; 1305 adbCompRout = (long)0; 1306 adbCompData = (long)0; 1307 } else { 1308 packet.unsol = 1; 1309 packet.ack_only = 0; 1310 adb_pass_up(&packet); 1311 } 1312 1313 adbActionState = ADB_ACTION_IDLE; 1314 adbInputBuffer[0] = 0; /* reset length */ 1315 1316 if (adbWriteDelay == 1) { /* were we waiting to 1317 * write? */ 1318 adbSentChars = 0; /* nothing sent yet */ 1319 adbActionState = ADB_ACTION_OUT; /* set next state */ 1320 1321 delay(ADB_DELAY); /* delay */ 1322 (void)intr_dispatch(0x70); /* grab any serial interrupts */ 1323 1324 if (ADB_INTR_IS_ON) { /* ADB intr low during 1325 * write */ 1326 ADB_SET_STATE_IDLE_IISI(); /* reset */ 1327 ADB_SET_SR_INPUT(); /* make sure SR is set 1328 * to IN */ 1329 adbSentChars = 0; /* must start all over */ 1330 adbActionState = ADB_ACTION_IDLE; /* new state */ 1331 adbInputBuffer[0] = 0; 1332 /* may be able to take this out later */ 1333 delay(ADB_DELAY); /* delay */ 1334 break; 1335 } 1336 ADB_SET_STATE_ACTIVE(); /* tell ADB that we want 1337 * to send */ 1338 ADB_SET_STATE_ACKOFF(); /* make sure */ 1339 ADB_SET_SR_OUTPUT(); /* set shift register 1340 * for OUT */ 1341 ADB_SR() = adbOutputBuffer[adbSentChars + 1]; 1342 ADB_SET_STATE_ACKON(); /* tell ADB byte ready 1343 * to shift */ 1344 } 1345 } 1346 break; 1347 1348 case ADB_ACTION_OUT: 1349 i = ADB_SR(); /* reset SR-intr in IFR */ 1350 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 1351 1352 ADB_SET_STATE_ACKOFF(); /* finish ACK */ 1353 adbSentChars++; 1354 if (ADB_INTR_IS_ON) { /* ADB intr low during write */ 1355 ADB_SET_STATE_IDLE_IISI(); /* reset */ 1356 ADB_SET_SR_INPUT(); /* make sure SR is set to IN */ 1357 adbSentChars = 0; /* must start all over */ 1358 adbActionState = ADB_ACTION_IDLE; /* new state */ 1359 adbInputBuffer[0] = 0; 1360 adbWriteDelay = 1; /* must retry when done with 1361 * read */ 1362 delay(ADB_DELAY); /* delay */ 1363 (void)intr_dispatch(0x70); /* grab any serial interrupts */ 1364 goto switch_start; /* process next state right 1365 * now */ 1366 break; 1367 } 1368 delay(ADB_DELAY); /* required delay */ 1369 (void)intr_dispatch(0x70); /* grab any serial interrupts */ 1370 1371 if (adbOutputBuffer[0] == adbSentChars) { /* check for done */ 1372 if (0 == adb_cmd_result(adbOutputBuffer)) { /* do we expect data 1373 * back? */ 1374 adbWaiting = 1; /* signal waiting for return */ 1375 adbWaitingCmd = adbOutputBuffer[2]; /* save waiting command */ 1376 } else {/* no talk, so done */ 1377 /* set up stuff for adb_pass_up */ 1378 memcpy(packet.data, adbInputBuffer, 1379 adbInputBuffer[0] + 1); 1380 packet.saveBuf = adbBuffer; 1381 packet.compRout = adbCompRout; 1382 packet.compData = adbCompData; 1383 packet.cmd = adbWaitingCmd; 1384 packet.unsol = 0; 1385 packet.ack_only = 1; 1386 adb_pass_up(&packet); 1387 1388 /* reset "waiting" vars, just in case */ 1389 adbWaitingCmd = 0; 1390 adbBuffer = (long)0; 1391 adbCompRout = (long)0; 1392 adbCompData = (long)0; 1393 } 1394 1395 adbWriteDelay = 0; /* done writing */ 1396 adbActionState = ADB_ACTION_IDLE; /* signal bus is idle */ 1397 ADB_SET_SR_INPUT(); /* make sure SR is set to IN */ 1398 ADB_SET_STATE_INACTIVE(); /* end of frame */ 1399 } else { 1400 ADB_SR() = adbOutputBuffer[adbSentChars + 1]; /* send next byte */ 1401 ADB_SET_STATE_ACKON(); /* signal byte ready to shift */ 1402 } 1403 break; 1404 1405 case ADB_ACTION_NOTREADY: 1406 #ifdef ADB_DEBUG 1407 if (adb_debug) 1408 printf_intr("adb: not yet initialized\n"); 1409 #endif 1410 break; 1411 1412 default: 1413 #ifdef ADB_DEBUG 1414 if (adb_debug) 1415 printf_intr("intr: unknown ADB state\n"); 1416 #endif 1417 break; 1418 } 1419 1420 ADB_VIA_INTR_ENABLE(); /* enable ADB interrupt on IIs. */ 1421 1422 splx(s); /* restore */ 1423 1424 return; 1425 } /* end adb_intr_IIsi */ 1426 1427 1428 /***************************************************************************** 1429 * if the device is currently busy, and there is no data waiting to go out, then 1430 * the data is "queued" in the outgoing buffer. If we are already waiting, then 1431 * we return. 1432 * in: if (in == 0) then the command string is built from command and buffer 1433 * if (in != 0) then in is used as the command string 1434 * buffer: additional data to be sent (used only if in == 0) 1435 * this is also where return data is stored 1436 * compRout: the completion routine that is called when then return value 1437 * is received (if a return value is expected) 1438 * data: a data pointer that can be used by the completion routine 1439 * command: an ADB command to be sent (used only if in == 0) 1440 * 1441 */ 1442 int 1443 send_adb_IIsi(u_char * in, u_char * buffer, void *compRout, void *data, int 1444 command) 1445 { 1446 int s, len; 1447 1448 if (adbActionState == ADB_ACTION_NOTREADY) 1449 return 1; 1450 1451 /* Don't interrupt while we are messing with the ADB */ 1452 s = splhigh(); 1453 1454 if ((adbActionState == ADB_ACTION_IDLE) && /* ADB available? */ 1455 (ADB_INTR_IS_OFF)) {/* and no incoming interrupt? */ 1456 1457 } else 1458 if (adbWriteDelay == 0) /* it's busy, but is anything waiting? */ 1459 adbWriteDelay = 1; /* if no, then we'll "queue" 1460 * it up */ 1461 else { 1462 splx(s); 1463 return 1; /* really busy! */ 1464 } 1465 1466 if ((long)in == (long)0) { /* need to convert? */ 1467 /* 1468 * Don't need to use adb_cmd_extra here because this section 1469 * will be called ONLY when it is an ADB command (no RTC or 1470 * PRAM) 1471 */ 1472 if ((command & 0x0c) == 0x08) /* copy addl data ONLY if 1473 * doing a listen! */ 1474 len = buffer[0]; /* length of additional data */ 1475 else 1476 len = 0;/* no additional data */ 1477 1478 adbOutputBuffer[0] = 2 + len; /* dev. type + command + addl. 1479 * data */ 1480 adbOutputBuffer[1] = 0x00; /* mark as an ADB command */ 1481 adbOutputBuffer[2] = (u_char)command; /* load command */ 1482 1483 /* copy additional output data, if any */ 1484 memcpy(adbOutputBuffer + 3, buffer + 1, len); 1485 } else 1486 /* if data ready, just copy over */ 1487 memcpy(adbOutputBuffer, in, in[0] + 2); 1488 1489 adbSentChars = 0; /* nothing sent yet */ 1490 adbBuffer = buffer; /* save buffer to know where to save result */ 1491 adbCompRout = compRout; /* save completion routine pointer */ 1492 adbCompData = data; /* save completion routine data pointer */ 1493 adbWaitingCmd = adbOutputBuffer[2]; /* save wait command */ 1494 1495 if (adbWriteDelay != 1) { /* start command now? */ 1496 adbActionState = ADB_ACTION_OUT; /* set next state */ 1497 1498 ADB_SET_STATE_ACTIVE(); /* tell ADB that we want to send */ 1499 ADB_SET_STATE_ACKOFF(); /* make sure */ 1500 1501 ADB_SET_SR_OUTPUT(); /* set shift register for OUT */ 1502 1503 ADB_SR() = adbOutputBuffer[adbSentChars + 1]; /* load byte for output */ 1504 1505 ADB_SET_STATE_ACKON(); /* tell ADB byte ready to shift */ 1506 } 1507 adbWriteDelay = 1; /* something in the write "queue" */ 1508 1509 splx(s); 1510 1511 if (0x0100 <= (s & 0x0700)) /* were VIA1 interrupts blocked? */ 1512 /* poll until byte done */ 1513 while ((adbActionState != ADB_ACTION_IDLE) || (ADB_INTR_IS_ON) 1514 || (adbWaiting == 1)) 1515 if (ADB_SR_INTR_IS_ON) { /* wait for "interrupt" */ 1516 adb_intr_IIsi(NULL); /* go process it */ 1517 if (adb_polling) 1518 adb_soft_intr(); 1519 } 1520 1521 return 0; 1522 } /* send_adb_IIsi */ 1523 1524 void 1525 adb_iop_recv(IOP *iop, struct iop_msg *msg) 1526 { 1527 struct adbCommand pkt; 1528 unsigned flags; 1529 1530 if (adbActionState != ADB_ACTION_RUNNING) 1531 return; 1532 1533 switch (msg->status) { 1534 case IOP_MSGSTAT_SENT: 1535 if (0 == adb_cmd_result(msg->msg + 1)) { 1536 adbWaiting = 1; 1537 adbWaitingCmd = msg->msg[2]; 1538 } 1539 break; 1540 case IOP_MSGSTAT_RECEIVED: 1541 case IOP_MSGSTAT_UNEXPECTED: 1542 flags = msg->msg[0]; 1543 if (flags != 0) { 1544 printf("ADB FLAGS 0x%x", flags); 1545 break; 1546 } 1547 if (adbWaiting && 1548 (msg->msg[2] == adbWaitingCmd)) { 1549 pkt.saveBuf = msg->msg + 1; 1550 pkt.compRout = adbCompRout; 1551 pkt.compData = adbCompData; 1552 pkt.unsol = 0; 1553 pkt.ack_only = 0; 1554 adb_pass_up(&pkt); 1555 1556 adbWaitingCmd = 0; 1557 adbWaiting = 0; 1558 } else { 1559 pkt.unsol = 1; 1560 pkt.ack_only = 0; 1561 adb_pass_up(&pkt); 1562 } 1563 break; 1564 default: 1565 return; 1566 } 1567 } 1568 1569 int 1570 send_adb_iop(int cmd, u_char * buffer, void *compRout, void *data) 1571 { 1572 u_char buff[32]; 1573 int cnt; 1574 1575 if (adbActionState != ADB_ACTION_RUNNING) 1576 return -1; 1577 1578 buff[0] = IOP_ADB_FL_EXPLICIT; 1579 buff[1] = buffer[0]; 1580 buff[2] = cmd; 1581 cnt = (int) buff[1]; 1582 memcpy(buff + 3, buffer + 1, cnt); 1583 return iop_send_msg(ISM_IOP, IOP_CHAN_ADB, buff, cnt+3, 1584 adb_iop_recv, NULL); 1585 } 1586 1587 /* 1588 * adb_pass_up is called by the interrupt-time routines. 1589 * It takes the raw packet data that was received from the 1590 * device and puts it into the queue that the upper half 1591 * processes. It then signals for a soft ADB interrupt which 1592 * will eventually call the upper half routine (adb_soft_intr). 1593 * 1594 * If in->unsol is 0, then this is either the notification 1595 * that the packet was sent (on a LISTEN, for example), or the 1596 * response from the device (on a TALK). The completion routine 1597 * is called only if the user specified one. 1598 * 1599 * If in->unsol is 1, then this packet was unsolicited and 1600 * so we look up the device in the ADB device table to determine 1601 * what it's default service routine is. 1602 * 1603 * If in->ack_only is 1, then we really only need to call 1604 * the completion routine, so don't do any other stuff. 1605 * 1606 * Note that in->data contains the packet header AND data, 1607 * while adbInbound[]->data contains ONLY data. 1608 * 1609 * Note: Called only at interrupt time. Assumes this. 1610 */ 1611 void 1612 adb_pass_up(struct adbCommand *in) 1613 { 1614 int start = 0, len = 0, cmd = 0; 1615 ADBDataBlock block; 1616 1617 /* temp for testing */ 1618 /*u_char *buffer = 0;*/ 1619 /*u_char *compdata = 0;*/ 1620 /*u_char *comprout = 0;*/ 1621 1622 if (adbInCount >= ADB_QUEUE) { 1623 #ifdef ADB_DEBUG 1624 if (adb_debug) 1625 printf_intr("adb: ring buffer overflow\n"); 1626 #endif 1627 return; 1628 } 1629 1630 if (in->ack_only) { 1631 len = in->data[0]; 1632 cmd = in->cmd; 1633 start = 0; 1634 } else { 1635 switch (adbHardware) { 1636 case ADB_HW_IOP: 1637 case ADB_HW_II: 1638 cmd = in->data[1]; 1639 if (in->data[0] < 2) 1640 len = 0; 1641 else 1642 len = in->data[0]-1; 1643 start = 1; 1644 break; 1645 1646 case ADB_HW_IISI: 1647 case ADB_HW_CUDA: 1648 /* If it's unsolicited, accept only ADB data for now */ 1649 if (in->unsol) 1650 if (0 != in->data[2]) 1651 return; 1652 cmd = in->data[4]; 1653 if (in->data[0] < 5) 1654 len = 0; 1655 else 1656 len = in->data[0]-4; 1657 start = 4; 1658 break; 1659 1660 case ADB_HW_PB: 1661 cmd = in->data[1]; 1662 if (in->data[0] < 2) 1663 len = 0; 1664 else 1665 len = in->data[0]-1; 1666 start = 1; 1667 break; 1668 1669 case ADB_HW_UNKNOWN: 1670 return; 1671 } 1672 1673 /* Make sure there is a valid device entry for this device */ 1674 if (in->unsol) { 1675 /* ignore unsolicited data during adbreinit */ 1676 if (adbStarting) 1677 return; 1678 /* get device's comp. routine and data area */ 1679 if (-1 == get_adb_info(&block, ADB_CMDADDR(cmd))) 1680 return; 1681 } 1682 } 1683 1684 /* 1685 * If this is an unsolicited packet, we need to fill in 1686 * some info so adb_soft_intr can process this packet 1687 * properly. If it's not unsolicited, then use what 1688 * the caller sent us. 1689 */ 1690 if (in->unsol) { 1691 adbInbound[adbInTail].compRout = (void *)block.dbServiceRtPtr; 1692 adbInbound[adbInTail].compData = (void *)block.dbDataAreaAddr; 1693 adbInbound[adbInTail].saveBuf = (void *)adbInbound[adbInTail].data; 1694 } else { 1695 adbInbound[adbInTail].compRout = (void *)in->compRout; 1696 adbInbound[adbInTail].compData = (void *)in->compData; 1697 adbInbound[adbInTail].saveBuf = (void *)in->saveBuf; 1698 } 1699 1700 #ifdef ADB_DEBUG 1701 if (adb_debug && in->data[1] == 2) 1702 printf_intr("adb: caught error\n"); 1703 #endif 1704 1705 /* copy the packet data over */ 1706 /* 1707 * TO DO: If the *_intr routines fed their incoming data 1708 * directly into an adbCommand struct, which is passed to 1709 * this routine, then we could eliminate this copy. 1710 */ 1711 memcpy(adbInbound[adbInTail].data + 1, in->data + start + 1, len); 1712 adbInbound[adbInTail].data[0] = len; 1713 adbInbound[adbInTail].cmd = cmd; 1714 1715 adbInCount++; 1716 if (++adbInTail >= ADB_QUEUE) 1717 adbInTail = 0; 1718 1719 /* 1720 * If the debugger is running, call upper half manually. 1721 * Otherwise, trigger a soft interrupt to handle the rest later. 1722 */ 1723 if (adb_polling) 1724 adb_soft_intr(); 1725 else 1726 setsoftadb(); 1727 1728 return; 1729 } 1730 1731 1732 /* 1733 * Called to process the packets after they have been 1734 * placed in the incoming queue. 1735 * 1736 */ 1737 void 1738 adb_soft_intr(void) 1739 { 1740 int s; 1741 int cmd = 0; 1742 u_char *buffer = 0; 1743 u_char *comprout = 0; 1744 u_char *compdata = 0; 1745 1746 #if 0 1747 s = splhigh(); 1748 printf_intr("sr: %x\n", (s & 0x0700)); 1749 splx(s); 1750 #endif 1751 1752 /*delay(2*ADB_DELAY);*/ 1753 1754 while (adbInCount) { 1755 #ifdef ADB_DEBUG 1756 if (adb_debug & 0x80) 1757 printf_intr("%x %x %x ", 1758 adbInCount, adbInHead, adbInTail); 1759 #endif 1760 /* get the data we need from the queue */ 1761 buffer = adbInbound[adbInHead].saveBuf; 1762 comprout = adbInbound[adbInHead].compRout; 1763 compdata = adbInbound[adbInHead].compData; 1764 cmd = adbInbound[adbInHead].cmd; 1765 1766 /* copy over data to data area if it's valid */ 1767 /* 1768 * Note that for unsol packets we don't want to copy the 1769 * data anywhere, so buffer was already set to 0. 1770 * For ack_only buffer was set to 0, so don't copy. 1771 */ 1772 if (buffer) 1773 memcpy(buffer, adbInbound[adbInHead].data, 1774 adbInbound[adbInHead].data[0] + 1); 1775 1776 #ifdef ADB_DEBUG 1777 if (adb_debug & 0x80) { 1778 printf_intr("%p %p %p %x ", 1779 buffer, comprout, compdata, (short)cmd); 1780 printf_intr("buf: "); 1781 print_single(adbInbound[adbInHead].data); 1782 } 1783 #endif 1784 1785 /* call default completion routine if it's valid */ 1786 if (comprout) { 1787 #ifdef __NetBSD__ 1788 __asm __volatile ( 1789 " movml #0xffff,%%sp@- \n" /* save all regs */ 1790 " movl %0,%%a2 \n" /* compdata */ 1791 " movl %1,%%a1 \n" /* comprout */ 1792 " movl %2,%%a0 \n" /* buffer */ 1793 " movl %3,%%d0 \n" /* cmd */ 1794 " jbsr %%a1@ \n" /* go call routine */ 1795 " movml %%sp@+,#0xffff" /* restore all regs */ 1796 : 1797 : "g"(compdata), "g"(comprout), 1798 "g"(buffer), "g"(cmd) 1799 : "d0", "a0", "a1", "a2"); 1800 #else /* for macos based testing */ 1801 asm 1802 { 1803 movem.l a0/a1/a2/d0, -(a7) 1804 move.l compdata, a2 1805 move.l comprout, a1 1806 move.l buffer, a0 1807 move.w cmd, d0 1808 jsr(a1) 1809 movem.l(a7)+, d0/a2/a1/a0 1810 } 1811 #endif 1812 } 1813 1814 s = splhigh(); 1815 adbInCount--; 1816 if (++adbInHead >= ADB_QUEUE) 1817 adbInHead = 0; 1818 splx(s); 1819 1820 } 1821 return; 1822 } 1823 1824 1825 /* 1826 * This is my version of the ADBOp routine. It mainly just calls the 1827 * hardware-specific routine. 1828 * 1829 * data : pointer to data area to be used by compRout 1830 * compRout : completion routine 1831 * buffer : for LISTEN: points to data to send - MAX 8 data bytes, 1832 * byte 0 = # of bytes 1833 * : for TALK: points to place to save return data 1834 * command : the adb command to send 1835 * result : 0 = success 1836 * : -1 = could not complete 1837 */ 1838 int 1839 adb_op(Ptr buffer, Ptr compRout, Ptr data, short command) 1840 { 1841 int result; 1842 1843 switch (adbHardware) { 1844 case ADB_HW_II: 1845 result = send_adb_II((u_char *)0, (u_char *)buffer, 1846 (void *)compRout, (void *)data, (int)command); 1847 if (result == 0) 1848 return 0; 1849 else 1850 return -1; 1851 break; 1852 1853 case ADB_HW_IOP: 1854 #ifdef __notyet__ 1855 result = send_adb_iop((int)command, (u_char *)buffer, 1856 (void *)compRout, (void *)data); 1857 if (result == 0) 1858 return 0; 1859 else 1860 #endif 1861 return -1; 1862 break; 1863 1864 case ADB_HW_IISI: 1865 result = send_adb_IIsi((u_char *)0, (u_char *)buffer, 1866 (void *)compRout, (void *)data, (int)command); 1867 /* 1868 * I wish I knew why this delay is needed. It usually needs to 1869 * be here when several commands are sent in close succession, 1870 * especially early in device probes when doing collision 1871 * detection. It must be some race condition. Sigh. - jpw 1872 */ 1873 delay(100); 1874 if (result == 0) 1875 return 0; 1876 else 1877 return -1; 1878 break; 1879 1880 case ADB_HW_PB: 1881 result = pm_adb_op((u_char *)buffer, (void *)compRout, 1882 (void *)data, (int)command); 1883 1884 if (result == 0) 1885 return 0; 1886 else 1887 return -1; 1888 break; 1889 1890 case ADB_HW_CUDA: 1891 result = send_adb_cuda((u_char *)0, (u_char *)buffer, 1892 (void *)compRout, (void *)data, (int)command); 1893 if (result == 0) 1894 return 0; 1895 else 1896 return -1; 1897 break; 1898 1899 case ADB_HW_UNKNOWN: 1900 default: 1901 return -1; 1902 } 1903 } 1904 1905 1906 /* 1907 * adb_hw_setup 1908 * This routine sets up the possible machine specific hardware 1909 * config (mainly VIA settings) for the various models. 1910 */ 1911 void 1912 adb_hw_setup(void) 1913 { 1914 volatile int i; 1915 u_char send_string[ADB_MAX_MSG_LENGTH]; 1916 1917 switch (adbHardware) { 1918 case ADB_HW_II: 1919 via1_register_irq(2, adb_intr_II, NULL); 1920 1921 via_reg(VIA1, vDirB) |= 0x30; /* register B bits 4 and 5: 1922 * outputs */ 1923 via_reg(VIA1, vDirB) &= 0xf7; /* register B bit 3: input */ 1924 via_reg(VIA1, vACR) &= ~vSR_OUT; /* make sure SR is set 1925 * to IN (II, IIsi) */ 1926 adbActionState = ADB_ACTION_IDLE; /* used by all types of 1927 * hardware (II, IIsi) */ 1928 adbBusState = ADB_BUS_IDLE; /* this var. used in II-series 1929 * code only */ 1930 via_reg(VIA1, vIER) = 0x84; /* make sure VIA interrupts 1931 * are on (II, IIsi) */ 1932 ADB_SET_STATE_IDLE_II(); /* set ADB bus state to idle */ 1933 1934 ADB_VIA_CLR_INTR(); /* clear interrupt */ 1935 break; 1936 1937 case ADB_HW_IOP: 1938 via_reg(VIA1, vIER) = 0x84; 1939 via_reg(VIA1, vIFR) = 0x04; 1940 #ifdef __notyet__ 1941 adbActionState = ADB_ACTION_RUNNING; 1942 #endif 1943 break; 1944 1945 case ADB_HW_IISI: 1946 via1_register_irq(2, adb_intr_IIsi, NULL); 1947 via_reg(VIA1, vDirB) |= 0x30; /* register B bits 4 and 5: 1948 * outputs */ 1949 via_reg(VIA1, vDirB) &= 0xf7; /* register B bit 3: input */ 1950 via_reg(VIA1, vACR) &= ~vSR_OUT; /* make sure SR is set 1951 * to IN (II, IIsi) */ 1952 adbActionState = ADB_ACTION_IDLE; /* used by all types of 1953 * hardware (II, IIsi) */ 1954 adbBusState = ADB_BUS_IDLE; /* this var. used in II-series 1955 * code only */ 1956 via_reg(VIA1, vIER) = 0x84; /* make sure VIA interrupts 1957 * are on (II, IIsi) */ 1958 ADB_SET_STATE_IDLE_IISI(); /* set ADB bus state to idle */ 1959 1960 /* get those pesky clock ticks we missed while booting */ 1961 for (i = 0; i < 30; i++) { 1962 delay(ADB_DELAY); 1963 adb_hw_setup_IIsi(send_string); 1964 #ifdef ADB_DEBUG 1965 if (adb_debug) { 1966 printf_intr("adb: cleanup: "); 1967 print_single(send_string); 1968 } 1969 #endif 1970 delay(ADB_DELAY); 1971 if (ADB_INTR_IS_OFF) 1972 break; 1973 } 1974 break; 1975 1976 case ADB_HW_PB: 1977 /* 1978 * XXX - really PM_VIA_CLR_INTR - should we put it in 1979 * pm_direct.h? 1980 */ 1981 pm_hw_setup(); 1982 break; 1983 1984 case ADB_HW_CUDA: 1985 via1_register_irq(2, adb_intr_cuda, NULL); 1986 via_reg(VIA1, vDirB) |= 0x30; /* register B bits 4 and 5: 1987 * outputs */ 1988 via_reg(VIA1, vDirB) &= 0xf7; /* register B bit 3: input */ 1989 via_reg(VIA1, vACR) &= ~vSR_OUT; /* make sure SR is set 1990 * to IN */ 1991 via_reg(VIA1, vACR) = (via_reg(VIA1, vACR) | 0x0c) & ~0x10; 1992 adbActionState = ADB_ACTION_IDLE; /* used by all types of 1993 * hardware */ 1994 adbBusState = ADB_BUS_IDLE; /* this var. used in II-series 1995 * code only */ 1996 via_reg(VIA1, vIER) = 0x84; /* make sure VIA interrupts 1997 * are on */ 1998 ADB_SET_STATE_IDLE_CUDA(); /* set ADB bus state to idle */ 1999 2000 /* sort of a device reset */ 2001 i = ADB_SR(); /* clear interrupt */ 2002 ADB_VIA_INTR_DISABLE(); /* no interrupts while clearing */ 2003 ADB_SET_STATE_IDLE_CUDA(); /* reset state to idle */ 2004 delay(ADB_DELAY); 2005 ADB_SET_STATE_TIP(); /* signal start of frame */ 2006 delay(ADB_DELAY); 2007 ADB_TOGGLE_STATE_ACK_CUDA(); 2008 delay(ADB_DELAY); 2009 ADB_CLR_STATE_TIP(); 2010 delay(ADB_DELAY); 2011 ADB_SET_STATE_IDLE_CUDA(); /* back to idle state */ 2012 i = ADB_SR(); /* clear interrupt */ 2013 ADB_VIA_INTR_ENABLE(); /* ints ok now */ 2014 break; 2015 2016 case ADB_HW_UNKNOWN: 2017 default: 2018 via_reg(VIA1, vIER) = 0x04; /* turn interrupts off - TO 2019 * DO: turn PB ints off? */ 2020 return; 2021 break; 2022 } 2023 } 2024 2025 2026 /* 2027 * adb_hw_setup_IIsi 2028 * This is sort of a "read" routine that forces the adb hardware through a read cycle 2029 * if there is something waiting. This helps "clean up" any commands that may have gotten 2030 * stuck or stopped during the boot process. 2031 * 2032 */ 2033 void 2034 adb_hw_setup_IIsi(u_char * buffer) 2035 { 2036 int i; 2037 int dummy; 2038 int s; 2039 long my_time; 2040 int endofframe; 2041 2042 delay(ADB_DELAY); 2043 2044 i = 1; /* skip over [0] */ 2045 s = splhigh(); /* block ALL interrupts while we are working */ 2046 ADB_SET_SR_INPUT(); /* make sure SR is set to IN */ 2047 ADB_VIA_INTR_DISABLE(); /* disable ADB interrupt on IIs. */ 2048 /* this is required, especially on faster machines */ 2049 delay(ADB_DELAY); 2050 2051 if (ADB_INTR_IS_ON) { 2052 ADB_SET_STATE_ACTIVE(); /* signal start of data frame */ 2053 2054 endofframe = 0; 2055 while (0 == endofframe) { 2056 /* 2057 * Poll for ADB interrupt and watch for timeout. 2058 * If time out, keep going in hopes of not hanging 2059 * the ADB chip - I think 2060 */ 2061 my_time = ADB_DELAY * 5; 2062 while ((ADB_SR_INTR_IS_OFF) && (my_time-- > 0)) 2063 dummy = via_reg(VIA1, vBufB); 2064 2065 buffer[i++] = ADB_SR(); /* reset interrupt flag by 2066 * reading vSR */ 2067 /* 2068 * Perhaps put in a check here that ignores all data 2069 * after the first ADB_MAX_MSG_LENGTH bytes ??? 2070 */ 2071 if (ADB_INTR_IS_OFF) /* check for end of frame */ 2072 endofframe = 1; 2073 2074 ADB_SET_STATE_ACKON(); /* send ACK to ADB chip */ 2075 delay(ADB_DELAY); /* delay */ 2076 ADB_SET_STATE_ACKOFF(); /* send ACK to ADB chip */ 2077 } 2078 ADB_SET_STATE_INACTIVE(); /* signal end of frame and 2079 * delay */ 2080 2081 /* probably don't need to delay this long */ 2082 delay(ADB_DELAY); 2083 } 2084 buffer[0] = --i; /* [0] is length of message */ 2085 ADB_VIA_INTR_ENABLE(); /* enable ADB interrupt on IIs. */ 2086 splx(s); /* restore interrupts */ 2087 2088 return; 2089 } /* adb_hw_setup_IIsi */ 2090 2091 2092 2093 /* 2094 * adb_reinit sets up the adb stuff 2095 * 2096 */ 2097 void 2098 adb_reinit(void) 2099 { 2100 u_char send_string[ADB_MAX_MSG_LENGTH]; 2101 ADBDataBlock data; /* temp. holder for getting device info */ 2102 volatile int i, x; 2103 int s; 2104 int command; 2105 int result; 2106 int saveptr; /* point to next free relocation address */ 2107 int device; 2108 int nonewtimes; /* times thru loop w/o any new devices */ 2109 2110 adb_setup_hw_type(); /* setup hardware type */ 2111 2112 /* Make sure we are not interrupted while building the table. */ 2113 /* ints must be on for PB & IOP (at least, for now) */ 2114 if (adbHardware != ADB_HW_PB && adbHardware != ADB_HW_IOP) 2115 s = splhigh(); 2116 else 2117 s = 0; /* XXX shut the compiler up*/ 2118 2119 ADBNumDevices = 0; /* no devices yet */ 2120 2121 /* Let intr routines know we are running reinit */ 2122 adbStarting = 1; 2123 2124 /* 2125 * Initialize the ADB table. For now, we'll always use the same table 2126 * that is defined at the beginning of this file - no mallocs. 2127 */ 2128 for (i = 0; i < 16; i++) { 2129 ADBDevTable[i].devType = 0; 2130 ADBDevTable[i].origAddr = ADBDevTable[i].currentAddr = 0; 2131 } 2132 2133 adb_hw_setup(); /* init the VIA bits and hard reset ADB */ 2134 2135 delay(1000); 2136 2137 /* send an ADB reset first */ 2138 (void)adb_op_sync((Ptr)0, (Ptr)0, (Ptr)0, (short)0x00); 2139 delay(3000); 2140 2141 /* 2142 * Probe for ADB devices. Probe devices 1-15 quickly to determine 2143 * which device addresses are in use and which are free. For each 2144 * address that is in use, move the device at that address to a higher 2145 * free address. Continue doing this at that address until no device 2146 * responds at that address. Then move the last device that was moved 2147 * back to the original address. Do this for the remaining addresses 2148 * that we determined were in use. 2149 * 2150 * When finished, do this entire process over again with the updated 2151 * list of in use addresses. Do this until no new devices have been 2152 * found in 20 passes though the in use address list. (This probably 2153 * seems long and complicated, but it's the best way to detect multiple 2154 * devices at the same address - sometimes it takes a couple of tries 2155 * before the collision is detected.) 2156 */ 2157 2158 /* initial scan through the devices */ 2159 for (i = 1; i < 16; i++) { 2160 command = ADBTALK(i, 3); 2161 result = adb_op_sync((Ptr)send_string, (Ptr)0, 2162 (Ptr)0, (short)command); 2163 2164 if (result == 0 && send_string[0] != 0) { 2165 /* found a device */ 2166 ++ADBNumDevices; 2167 KASSERT(ADBNumDevices < 16); 2168 ADBDevTable[ADBNumDevices].devType = 2169 (int)(send_string[2]); 2170 ADBDevTable[ADBNumDevices].origAddr = i; 2171 ADBDevTable[ADBNumDevices].currentAddr = i; 2172 ADBDevTable[ADBNumDevices].DataAreaAddr = 2173 (long)0; 2174 ADBDevTable[ADBNumDevices].ServiceRtPtr = (void *)0; 2175 pm_check_adb_devices(i); /* tell pm driver device 2176 * is here */ 2177 } 2178 } 2179 2180 /* find highest unused address */ 2181 for (saveptr = 15; saveptr > 0; saveptr--) 2182 if (-1 == get_adb_info(&data, saveptr)) 2183 break; 2184 2185 #ifdef ADB_DEBUG 2186 if (adb_debug & 0x80) { 2187 printf_intr("first free is: 0x%02x\n", saveptr); 2188 printf_intr("devices: %i\n", ADBNumDevices); 2189 } 2190 #endif 2191 2192 nonewtimes = 0; /* no loops w/o new devices */ 2193 while (saveptr > 0 && nonewtimes++ < 11) { 2194 for (i = 1;saveptr > 0 && i <= ADBNumDevices; i++) { 2195 device = ADBDevTable[i].currentAddr; 2196 #ifdef ADB_DEBUG 2197 if (adb_debug & 0x80) 2198 printf_intr("moving device 0x%02x to 0x%02x " 2199 "(index 0x%02x) ", device, saveptr, i); 2200 #endif 2201 2202 /* send TALK R3 to address */ 2203 command = ADBTALK(device, 3); 2204 (void)adb_op_sync((Ptr)send_string, (Ptr)0, 2205 (Ptr)0, (short)command); 2206 2207 /* move device to higher address */ 2208 command = ADBLISTEN(device, 3); 2209 send_string[0] = 2; 2210 send_string[1] = (u_char)(saveptr | 0x60); 2211 send_string[2] = 0xfe; 2212 (void)adb_op_sync((Ptr)send_string, (Ptr)0, 2213 (Ptr)0, (short)command); 2214 delay(1000); 2215 2216 /* send TALK R3 - anthing at new address? */ 2217 command = ADBTALK(saveptr, 3); 2218 send_string[0] = 0; 2219 result = adb_op_sync((Ptr)send_string, (Ptr)0, 2220 (Ptr)0, (short)command); 2221 delay(1000); 2222 2223 if (result != 0 || send_string[0] == 0) { 2224 /* 2225 * maybe there's a communication breakdown; 2226 * just in case, move it back from whence it 2227 * came, and we'll try again later 2228 */ 2229 command = ADBLISTEN(saveptr, 3); 2230 send_string[0] = 2; 2231 send_string[1] = (u_char)(device | 0x60); 2232 send_string[2] = 0x00; 2233 (void)adb_op_sync((Ptr)send_string, (Ptr)0, 2234 (Ptr)0, (short)command); 2235 #ifdef ADB_DEBUG 2236 if (adb_debug & 0x80) 2237 printf_intr("failed, continuing\n"); 2238 #endif 2239 delay(1000); 2240 continue; 2241 } 2242 2243 /* send TALK R3 - anything at old address? */ 2244 command = ADBTALK(device, 3); 2245 send_string[0] = 0; 2246 result = adb_op_sync((Ptr)send_string, (Ptr)0, 2247 (Ptr)0, (short)command); 2248 if (result == 0 && send_string[0] != 0) { 2249 /* new device found */ 2250 /* update data for previously moved device */ 2251 ADBDevTable[i].currentAddr = saveptr; 2252 #ifdef ADB_DEBUG 2253 if (adb_debug & 0x80) 2254 printf_intr("old device at index %i\n",i); 2255 #endif 2256 /* add new device in table */ 2257 #ifdef ADB_DEBUG 2258 if (adb_debug & 0x80) 2259 printf_intr("new device found\n"); 2260 #endif 2261 if (saveptr > ADBNumDevices) { 2262 ++ADBNumDevices; 2263 KASSERT(ADBNumDevices < 16); 2264 } 2265 ADBDevTable[ADBNumDevices].devType = 2266 (int)(send_string[2]); 2267 ADBDevTable[ADBNumDevices].origAddr = device; 2268 ADBDevTable[ADBNumDevices].currentAddr = device; 2269 /* These will be set correctly in adbsys.c */ 2270 /* Until then, unsol. data will be ignored. */ 2271 ADBDevTable[ADBNumDevices].DataAreaAddr = 2272 (long)0; 2273 ADBDevTable[ADBNumDevices].ServiceRtPtr = 2274 (void *)0; 2275 /* find next unused address */ 2276 for (x = saveptr; x > 0; x--) { 2277 if (-1 == get_adb_info(&data, x)) { 2278 saveptr = x; 2279 break; 2280 } 2281 } 2282 if (x == 0) 2283 saveptr = 0; 2284 #ifdef ADB_DEBUG 2285 if (adb_debug & 0x80) 2286 printf_intr("new free is 0x%02x\n", 2287 saveptr); 2288 #endif 2289 nonewtimes = 0; 2290 /* tell pm driver device is here */ 2291 pm_check_adb_devices(device); 2292 } else { 2293 #ifdef ADB_DEBUG 2294 if (adb_debug & 0x80) 2295 printf_intr("moving back...\n"); 2296 #endif 2297 /* move old device back */ 2298 command = ADBLISTEN(saveptr, 3); 2299 send_string[0] = 2; 2300 send_string[1] = (u_char)(device | 0x60); 2301 send_string[2] = 0xfe; 2302 (void)adb_op_sync((Ptr)send_string, (Ptr)0, 2303 (Ptr)0, (short)command); 2304 delay(1000); 2305 } 2306 } 2307 } 2308 2309 #ifdef ADB_DEBUG 2310 if (adb_debug) { 2311 for (i = 1; i <= ADBNumDevices; i++) { 2312 x = get_ind_adb_info(&data, i); 2313 if (x != -1) 2314 printf_intr("index 0x%x, addr 0x%x, type 0x%hx\n", 2315 i, x, data.devType); 2316 } 2317 } 2318 #endif 2319 2320 #ifndef MRG_ADB 2321 /* enable the programmer's switch, if we have one */ 2322 adb_prog_switch_enable(); 2323 #endif 2324 2325 #ifdef ADB_DEBUG 2326 if (adb_debug) { 2327 if (0 == ADBNumDevices) /* tell user if no devices found */ 2328 printf_intr("adb: no devices found\n"); 2329 } 2330 #endif 2331 2332 adbStarting = 0; /* not starting anymore */ 2333 #ifdef ADB_DEBUG 2334 if (adb_debug) 2335 printf_intr("adb: ADBReInit complete\n"); 2336 #endif 2337 2338 if (adbHardware == ADB_HW_CUDA) 2339 callout_reset(&adb_cuda_tickle_ch, ADB_TICKLE_TICKS, 2340 (void *)adb_cuda_tickle, NULL); 2341 2342 /* ints must be on for PB & IOP (at least, for now) */ 2343 if (adbHardware != ADB_HW_PB && adbHardware != ADB_HW_IOP) 2344 splx(s); 2345 2346 return; 2347 } 2348 2349 2350 /* 2351 * adb_comp_exec 2352 * This is a general routine that calls the completion routine if there is one. 2353 * NOTE: This routine is now only used by pm_direct.c 2354 * All the code in this file (adb_direct.c) uses 2355 * the adb_pass_up routine now. 2356 */ 2357 void 2358 adb_comp_exec(void) 2359 { 2360 if ((long)0 != adbCompRout) /* don't call if empty return location */ 2361 #ifdef __NetBSD__ 2362 __asm __volatile( 2363 " movml #0xffff,%%sp@- \n" /* save all registers */ 2364 " movl %0,%%a2 \n" /* adbCompData */ 2365 " movl %1,%%a1 \n" /* adbCompRout */ 2366 " movl %2,%%a0 \n" /* adbBuffer */ 2367 " movl %3,%%d0 \n" /* adbWaitingCmd */ 2368 " jbsr %%a1@ \n" /* go call the routine */ 2369 " movml %%sp@+,#0xffff" /* restore all registers */ 2370 : 2371 : "g"(adbCompData), "g"(adbCompRout), 2372 "g"(adbBuffer), "g"(adbWaitingCmd) 2373 : "d0", "a0", "a1", "a2"); 2374 #else /* for Mac OS-based testing */ 2375 asm { 2376 movem.l a0/a1/a2/d0, -(a7) 2377 move.l adbCompData, a2 2378 move.l adbCompRout, a1 2379 move.l adbBuffer, a0 2380 move.w adbWaitingCmd, d0 2381 jsr(a1) 2382 movem.l(a7) +, d0/a2/a1/a0 2383 } 2384 #endif 2385 } 2386 2387 2388 /* 2389 * adb_cmd_result 2390 * 2391 * This routine lets the caller know whether the specified adb command string 2392 * should expect a returned result, such as a TALK command. 2393 * 2394 * returns: 0 if a result should be expected 2395 * 1 if a result should NOT be expected 2396 */ 2397 int 2398 adb_cmd_result(u_char *in) 2399 { 2400 switch (adbHardware) { 2401 case ADB_HW_IOP: 2402 case ADB_HW_II: 2403 /* was it an ADB talk command? */ 2404 if ((in[1] & 0x0c) == 0x0c) 2405 return 0; 2406 return 1; 2407 2408 case ADB_HW_IISI: 2409 case ADB_HW_CUDA: 2410 /* was it an ADB talk command? */ 2411 if ((in[1] == 0x00) && ((in[2] & 0x0c) == 0x0c)) 2412 return 0; 2413 /* was it an RTC/PRAM read date/time? */ 2414 if ((in[1] == 0x01) && (in[2] == 0x03)) 2415 return 0; 2416 return 1; 2417 2418 case ADB_HW_PB: 2419 return 1; 2420 2421 case ADB_HW_UNKNOWN: 2422 default: 2423 return 1; 2424 } 2425 } 2426 2427 2428 /* 2429 * adb_cmd_extra 2430 * 2431 * This routine lets the caller know whether the specified adb command string 2432 * may have extra data appended to the end of it, such as a LISTEN command. 2433 * 2434 * returns: 0 if extra data is allowed 2435 * 1 if extra data is NOT allowed 2436 */ 2437 int 2438 adb_cmd_extra(u_char *in) 2439 { 2440 switch (adbHardware) { 2441 case ADB_HW_II: 2442 case ADB_HW_IOP: 2443 if ((in[1] & 0x0c) == 0x08) /* was it a listen command? */ 2444 return 0; 2445 return 1; 2446 2447 case ADB_HW_IISI: 2448 case ADB_HW_CUDA: 2449 /* 2450 * TO DO: support needs to be added to recognize RTC and PRAM 2451 * commands 2452 */ 2453 if ((in[2] & 0x0c) == 0x08) /* was it a listen command? */ 2454 return 0; 2455 /* add others later */ 2456 return 1; 2457 2458 case ADB_HW_PB: 2459 return 1; 2460 2461 case ADB_HW_UNKNOWN: 2462 default: 2463 return 1; 2464 } 2465 } 2466 2467 2468 void 2469 adb_setup_hw_type(void) 2470 { 2471 long response; 2472 2473 response = mac68k_machine.machineid; 2474 2475 /* 2476 * Determine what type of ADB hardware we are running on. 2477 */ 2478 switch (response) { 2479 case MACH_MACC610: /* Centris 610 */ 2480 case MACH_MACC650: /* Centris 650 */ 2481 case MACH_MACII: /* II */ 2482 case MACH_MACIICI: /* IIci */ 2483 case MACH_MACIICX: /* IIcx */ 2484 case MACH_MACIIX: /* IIx */ 2485 case MACH_MACQ610: /* Quadra 610 */ 2486 case MACH_MACQ650: /* Quadra 650 */ 2487 case MACH_MACQ700: /* Quadra 700 */ 2488 case MACH_MACQ800: /* Quadra 800 */ 2489 case MACH_MACSE30: /* SE/30 */ 2490 adbHardware = ADB_HW_II; 2491 #ifdef ADB_DEBUG 2492 if (adb_debug) 2493 printf_intr("adb: using II series hardware support\n"); 2494 #endif 2495 break; 2496 2497 case MACH_MACCLASSICII: /* Classic II */ 2498 case MACH_MACLCII: /* LC II, Performa 400/405/430 */ 2499 case MACH_MACLCIII: /* LC III, Performa 450 */ 2500 case MACH_MACIISI: /* IIsi */ 2501 case MACH_MACIIVI: /* IIvi */ 2502 case MACH_MACIIVX: /* IIvx */ 2503 case MACH_MACP460: /* Performa 460/465/467 */ 2504 case MACH_MACP600: /* Performa 600 */ 2505 adbHardware = ADB_HW_IISI; 2506 #ifdef ADB_DEBUG 2507 if (adb_debug) 2508 printf_intr("adb: using IIsi series hardware support\n"); 2509 #endif 2510 break; 2511 2512 case MACH_MACPB140: /* PowerBook 140 */ 2513 case MACH_MACPB145: /* PowerBook 145 */ 2514 case MACH_MACPB160: /* PowerBook 160 */ 2515 case MACH_MACPB165: /* PowerBook 165 */ 2516 case MACH_MACPB165C: /* PowerBook 165c */ 2517 case MACH_MACPB170: /* PowerBook 170 */ 2518 case MACH_MACPB180: /* PowerBook 180 */ 2519 case MACH_MACPB180C: /* PowerBook 180c */ 2520 adbHardware = ADB_HW_PB; 2521 pm_setup_adb(); 2522 #ifdef ADB_DEBUG 2523 if (adb_debug) 2524 printf_intr("adb: using PowerBook 100-series hardware support\n"); 2525 #endif 2526 break; 2527 2528 case MACH_MACPB150: /* PowerBook 150 */ 2529 case MACH_MACPB210: /* PowerBook Duo 210 */ 2530 case MACH_MACPB230: /* PowerBook Duo 230 */ 2531 case MACH_MACPB250: /* PowerBook Duo 250 */ 2532 case MACH_MACPB270: /* PowerBook Duo 270 */ 2533 case MACH_MACPB280: /* PowerBook Duo 280 */ 2534 case MACH_MACPB280C: /* PowerBook Duo 280c */ 2535 case MACH_MACPB500: /* PowerBook 500 series */ 2536 case MACH_MACPB190: /* PowerBook 190 */ 2537 case MACH_MACPB190CS: /* PowerBook 190cs */ 2538 adbHardware = ADB_HW_PB; 2539 pm_setup_adb(); 2540 #ifdef ADB_DEBUG 2541 if (adb_debug) 2542 printf_intr("adb: using PowerBook Duo-series and PowerBook 500-series hardware support\n"); 2543 #endif 2544 break; 2545 2546 case MACH_MACC660AV: /* Centris 660AV */ 2547 case MACH_MACCCLASSIC: /* Color Classic */ 2548 case MACH_MACCCLASSICII: /* Color Classic II */ 2549 case MACH_MACLC475: /* LC 475, Performa 475/476 */ 2550 case MACH_MACLC475_33: /* Clock-chipped 47x */ 2551 case MACH_MACLC520: /* LC 520 */ 2552 case MACH_MACLC575: /* LC 575, Performa 575/577/578 */ 2553 case MACH_MACP550: /* LC 550, Performa 550 */ 2554 case MACH_MACTV: /* Macintosh TV */ 2555 case MACH_MACP580: /* Performa 580/588 */ 2556 case MACH_MACQ605: /* Quadra 605 */ 2557 case MACH_MACQ605_33: /* Clock-chipped Quadra 605 */ 2558 case MACH_MACQ630: /* LC 630, Performa 630, Quadra 630 */ 2559 case MACH_MACQ840AV: /* Quadra 840AV */ 2560 adbHardware = ADB_HW_CUDA; 2561 #ifdef ADB_DEBUG 2562 if (adb_debug) 2563 printf_intr("adb: using Cuda series hardware support\n"); 2564 #endif 2565 break; 2566 2567 case MACH_MACQ900: /* Quadra 900 */ 2568 case MACH_MACQ950: /* Quadra 950 */ 2569 case MACH_MACIIFX: /* Mac IIfx */ 2570 adbHardware = ADB_HW_IOP; 2571 iop_register_listener(ISM_IOP, IOP_CHAN_ADB, adb_iop_recv, NULL); 2572 #ifdef ADB_DEBUG 2573 if (adb_debug) 2574 printf_intr("adb: using IOP-based ADB\n"); 2575 #endif 2576 break; 2577 2578 default: 2579 adbHardware = ADB_HW_UNKNOWN; 2580 #ifdef ADB_DEBUG 2581 if (adb_debug) { 2582 printf_intr("adb: hardware type unknown for this machine\n"); 2583 printf_intr("adb: ADB support is disabled\n"); 2584 } 2585 #endif 2586 break; 2587 } 2588 2589 /* 2590 * Determine whether this machine has ADB based soft power. 2591 */ 2592 switch (response) { 2593 case MACH_MACCCLASSIC: /* Color Classic */ 2594 case MACH_MACCCLASSICII: /* Color Classic II */ 2595 case MACH_MACIISI: /* IIsi */ 2596 case MACH_MACIIVI: /* IIvi */ 2597 case MACH_MACIIVX: /* IIvx */ 2598 case MACH_MACLC520: /* LC 520 */ 2599 case MACH_MACLC575: /* LC 575, Performa 575/577/578 */ 2600 case MACH_MACP550: /* LC 550, Performa 550 */ 2601 case MACH_MACTV: /* Macintosh TV */ 2602 case MACH_MACP580: /* Performa 580/588 */ 2603 case MACH_MACP600: /* Performa 600 */ 2604 case MACH_MACQ630: /* LC 630, Performa 630, Quadra 630 */ 2605 case MACH_MACQ840AV: /* Quadra 840AV */ 2606 adbSoftPower = 1; 2607 break; 2608 } 2609 } 2610 2611 int 2612 count_adbs(void) 2613 { 2614 int i; 2615 int found; 2616 2617 found = 0; 2618 2619 for (i = 1; i < 16; i++) 2620 if (0 != ADBDevTable[i].currentAddr) 2621 found++; 2622 2623 return found; 2624 } 2625 2626 int 2627 get_ind_adb_info(ADBDataBlock * info, int index) 2628 { 2629 if ((index < 1) || (index > 15)) /* check range 1-15 */ 2630 return (-1); 2631 2632 #ifdef ADB_DEBUG 2633 if (adb_debug & 0x80) 2634 printf_intr("index 0x%x devType is: 0x%x\n", index, 2635 ADBDevTable[index].devType); 2636 #endif 2637 if (0 == ADBDevTable[index].devType) /* make sure it's a valid entry */ 2638 return (-1); 2639 2640 info->devType = (unsigned char)(ADBDevTable[index].devType); 2641 info->origADBAddr = (unsigned char)(ADBDevTable[index].origAddr); 2642 info->dbServiceRtPtr = (Ptr)ADBDevTable[index].ServiceRtPtr; 2643 info->dbDataAreaAddr = (Ptr)ADBDevTable[index].DataAreaAddr; 2644 2645 return (ADBDevTable[index].currentAddr); 2646 } 2647 2648 int 2649 get_adb_info(ADBDataBlock * info, int adbAddr) 2650 { 2651 int i; 2652 2653 if ((adbAddr < 1) || (adbAddr > 15)) /* check range 1-15 */ 2654 return (-1); 2655 2656 for (i = 1; i < 15; i++) 2657 if (ADBDevTable[i].currentAddr == adbAddr) { 2658 info->devType = (unsigned char)(ADBDevTable[i].devType); 2659 info->origADBAddr = (unsigned char)(ADBDevTable[i].origAddr); 2660 info->dbServiceRtPtr = (Ptr)ADBDevTable[i].ServiceRtPtr; 2661 info->dbDataAreaAddr = ADBDevTable[i].DataAreaAddr; 2662 return 0; /* found */ 2663 } 2664 2665 return (-1); /* not found */ 2666 } 2667 2668 int 2669 set_adb_info(ADBSetInfoBlock * info, int adbAddr) 2670 { 2671 int i; 2672 2673 if ((adbAddr < 1) || (adbAddr > 15)) /* check range 1-15 */ 2674 return (-1); 2675 2676 for (i = 1; i < 15; i++) 2677 if (ADBDevTable[i].currentAddr == adbAddr) { 2678 ADBDevTable[i].ServiceRtPtr = 2679 (void *)(info->siServiceRtPtr); 2680 ADBDevTable[i].DataAreaAddr = info->siDataAreaAddr; 2681 return 0; /* found */ 2682 } 2683 2684 return (-1); /* not found */ 2685 2686 } 2687 2688 #ifndef MRG_ADB 2689 long 2690 mrg_adbintr(void) 2691 { 2692 adb_intr(NULL); 2693 return 1; /* mimic mrg_adbintr in macrom.h just in case */ 2694 } 2695 2696 long 2697 mrg_pmintr(void) 2698 { 2699 pm_intr(NULL); 2700 return 1; /* mimic mrg_pmintr in macrom.h just in case */ 2701 } 2702 2703 /* caller should really use machine-independant version: getPramTime */ 2704 /* this version does pseudo-adb access only */ 2705 int 2706 adb_read_date_time(unsigned long *time) 2707 { 2708 u_char output[ADB_MAX_MSG_LENGTH]; 2709 int result; 2710 volatile int flag = 0; 2711 2712 switch (adbHardware) { 2713 case ADB_HW_II: 2714 return -1; 2715 2716 case ADB_HW_IOP: 2717 return -1; 2718 2719 case ADB_HW_IISI: 2720 output[0] = 0x02; /* 2 byte message */ 2721 output[1] = 0x01; /* to pram/rtc device */ 2722 output[2] = 0x03; /* read date/time */ 2723 result = send_adb_IIsi((u_char *)output, (u_char *)output, 2724 (void *)adb_op_comprout, (int *)&flag, (int)0); 2725 if (result != 0) /* exit if not sent */ 2726 return -1; 2727 2728 while (0 == flag) /* wait for result */ 2729 ; 2730 2731 *time = (long)(*(long *)(output + 1)); 2732 return 0; 2733 2734 case ADB_HW_PB: 2735 return -1; 2736 2737 case ADB_HW_CUDA: 2738 output[0] = 0x02; /* 2 byte message */ 2739 output[1] = 0x01; /* to pram/rtc device */ 2740 output[2] = 0x03; /* read date/time */ 2741 result = send_adb_cuda((u_char *)output, (u_char *)output, 2742 (void *)adb_op_comprout, (void *)&flag, (int)0); 2743 if (result != 0) /* exit if not sent */ 2744 return -1; 2745 2746 while (0 == flag) /* wait for result */ 2747 ; 2748 2749 *time = (long)(*(long *)(output + 1)); 2750 return 0; 2751 2752 case ADB_HW_UNKNOWN: 2753 default: 2754 return -1; 2755 } 2756 } 2757 2758 /* caller should really use machine-independant version: setPramTime */ 2759 /* this version does pseudo-adb access only */ 2760 int 2761 adb_set_date_time(unsigned long time) 2762 { 2763 u_char output[ADB_MAX_MSG_LENGTH]; 2764 int result; 2765 volatile int flag = 0; 2766 2767 switch (adbHardware) { 2768 case ADB_HW_II: 2769 return -1; 2770 2771 case ADB_HW_IOP: 2772 return -1; 2773 2774 case ADB_HW_IISI: 2775 output[0] = 0x06; /* 6 byte message */ 2776 output[1] = 0x01; /* to pram/rtc device */ 2777 output[2] = 0x09; /* set date/time */ 2778 output[3] = (u_char)(time >> 24); 2779 output[4] = (u_char)(time >> 16); 2780 output[5] = (u_char)(time >> 8); 2781 output[6] = (u_char)(time); 2782 result = send_adb_IIsi((u_char *)output, (u_char *)0, 2783 (void *)adb_op_comprout, (void *)&flag, (int)0); 2784 if (result != 0) /* exit if not sent */ 2785 return -1; 2786 2787 while (0 == flag) /* wait for send to finish */ 2788 ; 2789 2790 return 0; 2791 2792 case ADB_HW_PB: 2793 return -1; 2794 2795 case ADB_HW_CUDA: 2796 output[0] = 0x06; /* 6 byte message */ 2797 output[1] = 0x01; /* to pram/rtc device */ 2798 output[2] = 0x09; /* set date/time */ 2799 output[3] = (u_char)(time >> 24); 2800 output[4] = (u_char)(time >> 16); 2801 output[5] = (u_char)(time >> 8); 2802 output[6] = (u_char)(time); 2803 result = send_adb_cuda((u_char *)output, (u_char *)0, 2804 (void *)adb_op_comprout, (void *)&flag, (int)0); 2805 if (result != 0) /* exit if not sent */ 2806 return -1; 2807 2808 while (0 == flag) /* wait for send to finish */ 2809 ; 2810 2811 return 0; 2812 2813 case ADB_HW_UNKNOWN: 2814 default: 2815 return -1; 2816 } 2817 } 2818 2819 2820 int 2821 adb_poweroff(void) 2822 { 2823 u_char output[ADB_MAX_MSG_LENGTH]; 2824 int result; 2825 2826 if (!adbSoftPower) 2827 return -1; 2828 2829 adb_polling = 1; 2830 2831 switch (adbHardware) { 2832 case ADB_HW_IISI: 2833 output[0] = 0x02; /* 2 byte message */ 2834 output[1] = 0x01; /* to pram/rtc/soft-power device */ 2835 output[2] = 0x0a; /* set date/time */ 2836 result = send_adb_IIsi((u_char *)output, (u_char *)0, 2837 (void *)0, (void *)0, (int)0); 2838 if (result != 0) /* exit if not sent */ 2839 return -1; 2840 2841 for (;;); /* wait for power off */ 2842 2843 return 0; 2844 2845 case ADB_HW_PB: 2846 return -1; 2847 2848 case ADB_HW_CUDA: 2849 output[0] = 0x02; /* 2 byte message */ 2850 output[1] = 0x01; /* to pram/rtc/soft-power device */ 2851 output[2] = 0x0a; /* set date/time */ 2852 result = send_adb_cuda((u_char *)output, (u_char *)0, 2853 (void *)0, (void *)0, (int)0); 2854 if (result != 0) /* exit if not sent */ 2855 return -1; 2856 2857 for (;;); /* wait for power off */ 2858 2859 return 0; 2860 2861 case ADB_HW_II: /* II models don't do ADB soft power */ 2862 case ADB_HW_IOP: /* IOP models don't do ADB soft power */ 2863 case ADB_HW_UNKNOWN: 2864 default: 2865 return -1; 2866 } 2867 } 2868 2869 int 2870 adb_prog_switch_enable(void) 2871 { 2872 u_char output[ADB_MAX_MSG_LENGTH]; 2873 int result; 2874 volatile int flag = 0; 2875 2876 switch (adbHardware) { 2877 case ADB_HW_IISI: 2878 output[0] = 0x03; /* 3 byte message */ 2879 output[1] = 0x01; /* to pram/rtc/soft-power device */ 2880 output[2] = 0x1c; /* prog. switch control */ 2881 output[3] = 0x01; /* enable */ 2882 result = send_adb_IIsi((u_char *)output, (u_char *)0, 2883 (void *)adb_op_comprout, (void *)&flag, (int)0); 2884 if (result != 0) /* exit if not sent */ 2885 return -1; 2886 2887 while (0 == flag) /* wait for send to finish */ 2888 ; 2889 2890 return 0; 2891 2892 case ADB_HW_PB: 2893 return -1; 2894 2895 case ADB_HW_II: /* II models don't do prog. switch */ 2896 case ADB_HW_IOP: /* IOP models don't do prog. switch */ 2897 case ADB_HW_CUDA: /* cuda doesn't do prog. switch TO DO: verify this */ 2898 case ADB_HW_UNKNOWN: 2899 default: 2900 return -1; 2901 } 2902 } 2903 2904 int 2905 adb_prog_switch_disable(void) 2906 { 2907 u_char output[ADB_MAX_MSG_LENGTH]; 2908 int result; 2909 volatile int flag = 0; 2910 2911 switch (adbHardware) { 2912 case ADB_HW_IISI: 2913 output[0] = 0x03; /* 3 byte message */ 2914 output[1] = 0x01; /* to pram/rtc/soft-power device */ 2915 output[2] = 0x1c; /* prog. switch control */ 2916 output[3] = 0x01; /* disable */ 2917 result = send_adb_IIsi((u_char *)output, (u_char *)0, 2918 (void *)adb_op_comprout, (void *)&flag, (int)0); 2919 if (result != 0) /* exit if not sent */ 2920 return -1; 2921 2922 while (0 == flag) /* wait for send to finish */ 2923 ; 2924 2925 return 0; 2926 2927 case ADB_HW_PB: 2928 return -1; 2929 2930 case ADB_HW_II: /* II models don't do prog. switch */ 2931 case ADB_HW_IOP: /* IOP models don't do prog. switch */ 2932 case ADB_HW_CUDA: /* cuda doesn't do prog. switch */ 2933 case ADB_HW_UNKNOWN: 2934 default: 2935 return -1; 2936 } 2937 } 2938 2939 int 2940 CountADBs(void) 2941 { 2942 return (count_adbs()); 2943 } 2944 2945 void 2946 ADBReInit(void) 2947 { 2948 adb_reinit(); 2949 } 2950 2951 int 2952 GetIndADB(ADBDataBlock * info, int index) 2953 { 2954 return (get_ind_adb_info(info, index)); 2955 } 2956 2957 int 2958 GetADBInfo(ADBDataBlock * info, int adbAddr) 2959 { 2960 return (get_adb_info(info, adbAddr)); 2961 } 2962 2963 int 2964 SetADBInfo(ADBSetInfoBlock * info, int adbAddr) 2965 { 2966 return (set_adb_info(info, adbAddr)); 2967 } 2968 2969 int 2970 ADBOp(Ptr buffer, Ptr compRout, Ptr data, short commandNum) 2971 { 2972 return (adb_op(buffer, compRout, data, commandNum)); 2973 } 2974 2975 #endif 2976
Indexes created Wed Sep 24 15:09:51 GMT 2025