iris_scsireg.h revision 1.1 1 /* $NetBSD: iris_scsireg.h,v 1.1 2019/01/12 16:44:47 tsutsui Exp $ */
2
3 /*
4 * Copyright (c) 2018 Naruaki Etomi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /*
29 * Copyright (c) 1990 The Regents of the University of California.
30 * All rights reserved.
31 *
32 * This code is derived from software contributed to Berkeley by
33 * Van Jacobson of Lawrence Berkeley Laboratory.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 3. Neither the name of the University nor the names of its contributors
44 * may be used to endorse or promote products derived from this software
45 * without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
48 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * SUCH DAMAGE.
58 *
59 * @(#)scsireg.h 7.3 (Berkeley) 2/5/91
60 */
61
62 /*
63 * Copyright (c) 2001 Wayne Knowles
64 *
65 * This code is derived from software contributed to Berkeley by
66 * Van Jacobson of Lawrence Berkeley Laboratory.
67 *
68 * Redistribution and use in source and binary forms, with or without
69 * modification, are permitted provided that the following conditions
70 * are met:
71 * 1. Redistributions of source code must retain the above copyright
72 * notice, this list of conditions and the following disclaimer.
73 * 2. Redistributions in binary form must reproduce the above copyright
74 * notice, this list of conditions and the following disclaimer in the
75 * documentation and/or other materials provided with the distribution.
76 * 3. All advertising materials mentioning features or use of this software
77 * must display the following acknowledgement:
78 * This product includes software developed by the University of
79 * California, Berkeley and its contributors.
80 * 4. Neither the name of the University nor the names of its contributors
81 * may be used to endorse or promote products derived from this software
82 * without specific prior written permission.
83 *
84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
94 * SUCH DAMAGE.
95 *
96 * @(#)scsireg.h 7.3 (Berkeley) 2/5/91
97 */
98
99 /*
100 * Silicon Graphics "IRIS" series MIPS processors machine bootloader.
101 * WD33C93 SCSI interface hardware description.
102 * Most of the following was adapted from sys/dev/ic/wd33c93reg.h.
103 * NetBSD: wd33c93reg.h,v 1.4 2009/02/12 06:24:45 rumble Exp
104 */
105
106 #define SBIC_myid 0
107 #define SBIC_cdbsize 0
108 #define SBIC_control 1
109 #define SBIC_timeo 2
110 #define SBIC_cdb1 3
111 #define SBIC_tsecs 3
112 #define SBIC_cdb2 4
113 #define SBIC_theads 4
114 #define SBIC_cdb3 5
115 #define SBIC_tcyl_hi 5
116 #define SBIC_cdb4 6
117 #define SBIC_tcyl_lo 6
118 #define SBIC_cdb5 7
119 #define SBIC_addr_hi 7
120 #define SBIC_cdb6 8
121 #define SBIC_addr_2 8
122 #define SBIC_cdb7 9
123 #define SBIC_addr_3 9
124 #define SBIC_cdb8 10
125 #define SBIC_addr_lo 10
126 #define SBIC_cdb9 11
127 #define SBIC_secno 11
128 #define SBIC_cdb10 12
129 #define SBIC_headno 12
130 #define SBIC_cdb11 13
131 #define SBIC_cylno_hi 13
132 #define SBIC_cdb12 14
133 #define SBIC_cylno_lo 14
134 #define SBIC_tlun 15
135 #define SBIC_cmd_phase 16
136 #define SBIC_syn 17
137 #define SBIC_count_hi 18
138 #define SBIC_count_med 19
139 #define SBIC_count_lo 20
140 #define SBIC_selid 21
141 #define SBIC_rselid 22
142 #define SBIC_csr 23
143 #define SBIC_cmd 24
144 #define SBIC_data 25
145 #define SBIC_queue_tag 26
146 #define SBIC_aux_status 27
147
148 /* wd33c93_asr is addressed directly */
149
150 /*
151 * Register defines
152 */
153
154 /*
155 * Auxiliary Status Register
156 */
157
158 #define SBIC_ASR_INT 0x80 /* Interrupt pending */
159 #define SBIC_ASR_LCI 0x40 /* Last command ignored */
160 #define SBIC_ASR_BSY 0x20 /* Busy, only cmd/data/asr readable */
161 #define SBIC_ASR_CIP 0x10 /* Busy, cmd unavail also */
162 #define SBIC_ASR_xxx 0x0c
163 #define SBIC_ASR_PE 0x02 /* Parity error (even) */
164 #define SBIC_ASR_DBR 0x01 /* Data Buffer Ready */
165
166 /*
167 * My ID register, and/or CDB Size
168 */
169
170 #define SBIC_ID_FS_8_10 0x00 /* Input clock is 8-10 MHz */
171 /* 11 MHz is invalid */
172 #define SBIC_ID_FS_12_15 0x40 /* Input clock is 12-15 MHz */
173 #define SBIC_ID_FS_16_20 0x80 /* Input clock is 16-20 MHz */
174 #define SBIC_ID_RAF 0x20 /* Enable Really Advanced Features */
175 #define SBIC_ID_EHP 0x10 /* Enable host parity */
176 #define SBIC_ID_EAF 0x08 /* Enable Advanced Features */
177 #define SBIC_ID_MASK 0x07
178 #define SBIC_ID_CBDSIZE_MASK 0x0f /* if unk SCSI cmd group */
179
180 /*
181 * Control register
182 */
183
184 #define SBIC_CTL_DMA 0x80 /* Single byte dma */
185 #define SBIC_CTL_DBA_DMA 0x40 /* direct buffer access (bus master) */
186 #define SBIC_CTL_BURST_DMA 0x20 /* continuous mode (8237) */
187 #define SBIC_CTL_NO_DMA 0x00 /* Programmed I/O */
188 #define SBIC_CTL_HHP 0x10 /* Halt on host parity error */
189 #define SBIC_CTL_EDI 0x08 /* Ending disconnect interrupt */
190 #define SBIC_CTL_IDI 0x04 /* Intermediate disconnect interrupt*/
191 #define SBIC_CTL_HA 0x02 /* Halt on ATN */
192 #define SBIC_CTL_scP 0x01 /* Halt on SCSI parity error */
193
194 /*
195 * Timeout period register
196 * [val in msecs, input clk in 0.1 MHz]
197 */
198
199 #define SBIC_TIMEOUT(val,clk) ((((val) * (clk)) / 800) + 1)
200
201 /*
202 * CDBn registers, note that
203 * cdb11 is used for status byte in target mode (send-status-and-cc)
204 * cdb12 sez if linked command complete, and w/flag if so
205 */
206
207 /*
208 * Target LUN register
209 * [holds target status when select-and-xfer]
210 */
211
212 #define SBIC_TLUN_VALID 0x80 /* did we receive an Identify msg */
213 #define SBIC_TLUN_DOK 0x40 /* Disconnect OK */
214 #define SBIC_TLUN_xxx 0x38
215 #define SBIC_TLUN_MASK 0x07
216
217 /*
218 * Command Phase register
219 */
220
221 #define SBIC_CPH_MASK 0x7f /* values/restarts are cmd specific */
222 #define SBIC_CPH(p) ((p) & SBIC_CPH_MASK)
223
224 /*
225 * FIFO register
226 */
227
228 #define SBIC_FIFO_93_DEPTH 5
229 #define SBIC_FIFO_93AB_DEPTH 12
230
231 /*
232 * maximum possible size in TC registers. Since this is 24 bit, it's easy
233 */
234 #define SBIC_TC_MAX ((1 << 24) - 1)
235
236 /*
237 * Synchronous xfer register
238 *
239 * NB: SBIC_SYN_FSS only valid on WD33C93B with 16-20MHz clock.
240 */
241
242 #define SBIC_SYN_OFF_MASK 0x0f
243 #define SBIC_SYN_93_MAX_OFFSET (SBIC_FIFO_93_DEPTH - 1) /* 4 is recommended */
244 #define SBIC_SYN_93AB_MAX_OFFSET SBIC_FIFO_93AB_DEPTH
245 #define SBIC_SYN_PER_MASK 0x70
246 #define SBIC_SYN_MIN_PERIOD 2 /* upto 8, encoded as 0 */
247 #define SBIC_SYN_FSS 0x80 /* Enable Fast SCSI Transfers (10MB/s)*/
248
249 #define SBIC_SYN(o, p, f) \
250 (((o) & SBIC_SYN_OFF_MASK) | (((p) << 4) & SBIC_SYN_PER_MASK) | \
251 ((f) ? SBIC_SYN_FSS : 0))
252
253 /*
254 * Transfer count register
255 * optimal access macros depend on addressing
256 */
257
258 /*
259 * Destination ID (selid) register
260 */
261
262 #define SBIC_SID_SCC 0x80 /* Select command chaining (tgt) */
263 #define SBIC_SID_DPD 0x40 /* Data phase direction (inittor) */
264 #define SBIC_SID_FROM_SCSI 0x40
265 #define SBIC_SID_TO_SCSI 0x00
266 #define SBIC_SID_xxx 0x38
267 #define SBIC_SID_IDMASK 0x07
268
269 /*
270 * Source ID (rselid) register
271 */
272
273 #define SBIC_RID_ER 0x80 /* Enable reselection */
274 #define SBIC_RID_ES 0x40 /* Enable selection */
275 #define SBIC_RID_DSP 0x20 /* Disable select parity */
276 #define SBIC_RID_SIV 0x08 /* Source ID valid */
277 #define SBIC_RID_MASK 0x07
278
279 /*
280 * Status register
281 */
282
283 #define SBIC_CSR_CAUSE 0xf0
284 #define SBIC_CSR_RESET 0x00 /* chip was reset */
285 #define SBIC_CSR_CMD_DONE 0x10 /* cmd completed */
286 #define SBIC_CSR_CMD_STOPPED 0x20 /* interrupted or abrted*/
287 #define SBIC_CSR_CMD_ERR 0x40 /* end with error */
288 #define SBIC_CSR_BUS_SERVICE 0x80 /* REQ pending on the bus */
289
290
291 #define SBIC_CSR_QUALIFIER 0x0f
292 /* Reset State Interrupts */
293 #define SBIC_CSR_RESET 0x00 /* reset w/advanced features*/
294 #define SBIC_CSR_RESET_AM 0x01 /* reset w/advanced features*/
295 /* Successful Completion Interrupts */
296 #define SBIC_CSR_TARGET 0x10 /* reselect complete */
297 #define SBIC_CSR_INITIATOR 0x11 /* select complete */
298 #define SBIC_CSR_WO_ATN 0x13 /* tgt mode completion */
299 #define SBIC_CSR_W_ATN 0x14 /* ditto */
300 #define SBIC_CSR_XLATED 0x15 /* translate address cmd */
301 #define SBIC_CSR_S_XFERRED 0x16 /* initiator mode completion*/
302 #define SBIC_CSR_XFERRED 0x18 /* phase in low bits */
303 /* Paused or Aborted Interrupts */
304 #define SBIC_CSR_MSGIN_W_ACK 0x20 /* (I) msgin, ACK asserted*/
305 #define SBIC_CSR_SDP 0x21 /* (I) SDP msg received */
306 #define SBIC_CSR_SEL_ABRT 0x22 /* sel/resel aborted */
307 #define SBIC_CSR_XFR_PAUSED 0x23 /* (T) no ATN */
308 #define SBIC_CSR_XFR_PAUSED_ATN 0x24 /* (T) ATN is asserted */
309 #define SBIC_CSR_RSLT_AM 0x27 /* (I) lost selection (AM) */
310 #define SBIC_CSR_MIS 0x28 /* (I) xfer aborted, ph mis */
311 /* Terminated Interrupts */
312 #define SBIC_CSR_CMD_INVALID 0x40
313 #define SBIC_CSR_DISC 0x41 /* (I) tgt disconnected */
314 #define SBIC_CSR_SEL_TIMEO 0x42
315 #define SBIC_CSR_PE 0x43 /* parity error */
316 #define SBIC_CSR_PE_ATN 0x44 /* ditto, ATN is asserted */
317 #define SBIC_CSR_XLATE_TOOBIG 0x45
318 #define SBIC_CSR_RSLT_NOAM 0x46 /* (I) lost sel, no AM mode */
319 #define SBIC_CSR_BAD_STATUS 0x47 /* status byte was nok */
320 #define SBIC_CSR_MIS_1 0x48 /* ph mis, see low bits */
321 /* Service Required Interrupts */
322 #define SBIC_CSR_RSLT_NI 0x80 /* reselected, no ify msg */
323 #define SBIC_CSR_RSLT_IFY 0x81 /* ditto, AM mode, got ify */
324 #define SBIC_CSR_SLT 0x82 /* selected, no ATN */
325 #define SBIC_CSR_SLT_ATN 0x83 /* selected with ATN */
326 #define SBIC_CSR_ATN 0x84 /* (T) ATN asserted */
327 #define SBIC_CSR_DISC_1 0x85 /* (I) bus is free */
328 #define SBIC_CSR_UNK_GROUP 0x87 /* strange CDB1 */
329 #define SBIC_CSR_MIS_2 0x88 /* (I) ph mis, see low bits */
330
331 #define SBIC_PHASE(csr) SCSI_PHASE(csr)
332
333 /*
334 * Command register (command codes)
335 */
336 #define SBIC_CMD_SBT 0x80 /* Single byte xfer qualifier */
337 #define SBIC_CMD_MASK 0x7f
338
339 /* Miscellaneous */
340 #define SBIC_CMD_RESET 0x00 /* (DTI) lev I */
341 #define SBIC_CMD_ABORT 0x01 /* (DTI) lev I */
342 #define SBIC_CMD_DISC 0x04 /* ( TI) lev I */
343 #define SBIC_CMD_SSCC 0x0d /* ( TI) lev I */
344 #define SBIC_CMD_SET_IDI 0x0f /* (DTI) lev I */
345 #define SBIC_CMD_XLATE 0x18 /* (DT ) lev II */
346
347 /* Initiator state */
348 #define SBIC_CMD_SET_ATN 0x02 /* ( I) lev I */
349 #define SBIC_CMD_CLR_ACK 0x03 /* ( I) lev I */
350 #define SBIC_CMD_XFER_PAD 0x19 /* ( I) lev II */
351 #define SBIC_CMD_XFER_INFO 0x20 /* ( I) lev II */
352
353 /* Target state */
354 #define SBIC_CMD_SND_DISC 0x0e /* ( T ) lev II */
355 #define SBIC_CMD_RCV_CMD 0x10 /* ( T ) lev II */
356 #define SBIC_CMD_RCV_DATA 0x11 /* ( T ) lev II */
357 #define SBIC_CMD_RCV_MSG_OUT 0x12 /* ( T ) lev II */
358 #define SBIC_CMD_RCV 0x13 /* ( T ) lev II */
359 #define SBIC_CMD_SND_STATUS 0x14 /* ( T ) lev II */
360 #define SBIC_CMD_SND_DATA 0x15 /* ( T ) lev II */
361 #define SBIC_CMD_SND_MSG_IN 0x16 /* ( T ) lev II */
362 #define SBIC_CMD_SND 0x17 /* ( T ) lev II */
363
364 /* Disconnected state */
365 #define SBIC_CMD_RESELECT 0x05 /* (D ) lev II */
366 #define SBIC_CMD_SEL_ATN 0x06 /* (D ) lev II */
367 #define SBIC_CMD_SEL 0x07 /* (D ) lev II */
368 #define SBIC_CMD_SEL_ATN_XFER 0x08 /* (D I) lev II */
369 #define SBIC_CMD_SEL_XFER 0x09 /* (D I) lev II */
370 #define SBIC_CMD_RESELECT_RECV 0x0a /* (DT ) lev II */
371 #define SBIC_CMD_RESELECT_SEND 0x0b /* (DT ) lev II */
372 #define SBIC_CMD_WAIT_SEL_RECV 0x0c /* (DT ) lev II */
373
374
375 #define PHASE_MASK 0x07 /* mask for psns/pctl phase */
376 #define DATA_OUT_PHASE 0x00
377 #define DATA_IN_PHASE 0x01
378 #define CMD_PHASE 0x02
379 #define STATUS_PHASE 0x03
380 #define BUS_FREE_PHASE 0x04
381 #define ARB_SEL_PHASE 0x05 /* Fuji chip combines bus arb with sel. */
382 #define MESG_OUT_PHASE 0x06
383 #define MESG_IN_PHASE 0x07
384
385 #define SCSI_PHASE(reg) ((reg) & PHASE_MASK)
386
387 #define SCSI_STATUS_MASK 0x3e /* Mask unused bits in status byte */
388
389 /*
390 * WD33C93 has two registers:
391 * ASR - r : Aux Status Register, w : desired register no
392 * DATA - rw: register value
393 *
394 * We access them via separate handles because some people *cough*SGI*cough*
395 * like to keep them apart.
396 */
397
398 #define wd33c93_read_reg(sc, regno, val) \
399 do { \
400 *(volatile uint8_t *)(sc)->sc_asr_regh = (regno); \
401 (val) = *(volatile uint8_t *)(sc)->sc_data_regh; \
402 } while (/* CONSTCOND */0)
403
404 #define wd33c93_write_reg(sc, regno, val) \
405 do { \
406 *(volatile uint8_t *)(sc)->sc_asr_regh = (regno); \
407 *(volatile uint8_t *)(sc)->sc_data_regh = (val); \
408 } while (/* CONSTCOND */0)
409
410 #define SET_SBIC_myid(sc,val) wd33c93_write_reg(sc,SBIC_myid,val)
411 #define GET_SBIC_myid(sc,val) wd33c93_read_reg(sc,SBIC_myid,val)
412 #define SET_SBIC_cdbsize(sc,val) wd33c93_write_reg(sc,SBIC_cdbsize,val)
413 #define GET_SBIC_cdbsize(sc,val) wd33c93_read_reg(sc,SBIC_cdbsize,val)
414 #define SET_SBIC_control(sc,val) wd33c93_write_reg(sc,SBIC_control,val)
415 #define GET_SBIC_control(sc,val) wd33c93_read_reg(sc,SBIC_control,val)
416 #define SET_SBIC_timeo(sc,val) wd33c93_write_reg(sc,SBIC_timeo,val)
417 #define GET_SBIC_timeo(sc,val) wd33c93_read_reg(sc,SBIC_timeo,val)
418 #define SET_SBIC_cdb1(sc,val) wd33c93_write_reg(sc,SBIC_cdb1,val)
419 #define GET_SBIC_cdb1(sc,val) wd33c93_read_reg(sc,SBIC_cdb1,val)
420 #define SET_SBIC_cdb2(sc,val) wd33c93_write_reg(sc,SBIC_cdb2,val)
421 #define GET_SBIC_cdb2(sc,val) wd33c93_read_reg(sc,SBIC_cdb2,val)
422 #define SET_SBIC_cdb3(sc,val) wd33c93_write_reg(sc,SBIC_cdb3,val)
423 #define GET_SBIC_cdb3(sc,val) wd33c93_read_reg(sc,SBIC_cdb3,val)
424 #define SET_SBIC_cdb4(sc,val) wd33c93_write_reg(sc,SBIC_cdb4,val)
425 #define GET_SBIC_cdb4(sc,val) wd33c93_read_reg(sc,SBIC_cdb4,val)
426 #define SET_SBIC_cdb5(sc,val) wd33c93_write_reg(sc,SBIC_cdb5,val)
427 #define GET_SBIC_cdb5(sc,val) wd33c93_read_reg(sc,SBIC_cdb5,val)
428 #define SET_SBIC_cdb6(sc,val) wd33c93_write_reg(sc,SBIC_cdb6,val)
429 #define GET_SBIC_cdb6(sc,val) wd33c93_read_reg(sc,SBIC_cdb6,val)
430 #define SET_SBIC_cdb7(sc,val) wd33c93_write_reg(sc,SBIC_cdb7,val)
431 #define GET_SBIC_cdb7(sc,val) wd33c93_read_reg(sc,SBIC_cdb7,val)
432 #define SET_SBIC_cdb8(sc,val) wd33c93_write_reg(sc,SBIC_cdb8,val)
433 #define GET_SBIC_cdb8(sc,val) wd33c93_read_reg(sc,SBIC_cdb8,val)
434 #define SET_SBIC_cdb9(sc,val) wd33c93_write_reg(sc,SBIC_cdb9,val)
435 #define GET_SBIC_cdb9(sc,val) wd33c93_read_reg(sc,SBIC_cdb9,val)
436 #define SET_SBIC_cdb10(sc,val) wd33c93_write_reg(sc,SBIC_cdb10,val)
437 #define GET_SBIC_cdb10(sc,val) wd33c93_read_reg(sc,SBIC_cdb10,val)
438 #define SET_SBIC_cdb11(sc,val) wd33c93_write_reg(sc,SBIC_cdb11,val)
439 #define GET_SBIC_cdb11(sc,val) wd33c93_read_reg(sc,SBIC_cdb11,val)
440 #define SET_SBIC_cdb12(sc,val) wd33c93_write_reg(sc,SBIC_cdb12,val)
441 #define GET_SBIC_cdb12(sc,val) wd33c93_read_reg(sc,SBIC_cdb12,val)
442 #define SET_SBIC_tlun(sc,val) wd33c93_write_reg(sc,SBIC_tlun,val)
443 #define GET_SBIC_tlun(sc,val) wd33c93_read_reg(sc,SBIC_tlun,val)
444 #define SET_SBIC_cmd_phase(sc,val) wd33c93_write_reg(sc,SBIC_cmd_phase,val)
445 #define GET_SBIC_cmd_phase(sc,val) wd33c93_read_reg(sc,SBIC_cmd_phase,val)
446 #define SET_SBIC_syn(sc,val) wd33c93_write_reg(sc,SBIC_syn,val)
447 #define GET_SBIC_syn(sc,val) wd33c93_read_reg(sc,SBIC_syn,val)
448 #define SET_SBIC_count_hi(sc,val) wd33c93_write_reg(sc,SBIC_count_hi,val)
449 #define GET_SBIC_count_hi(sc,val) wd33c93_read_reg(sc,SBIC_count_hi,val)
450 #define SET_SBIC_count_med(sc,val) wd33c93_write_reg(sc,SBIC_count_med,val)
451 #define GET_SBIC_count_med(sc,val) wd33c93_read_reg(sc,SBIC_count_med,val)
452 #define SET_SBIC_count_lo(sc,val) wd33c93_write_reg(sc,SBIC_count_lo,val)
453 #define GET_SBIC_count_lo(sc,val) wd33c93_read_reg(sc,SBIC_count_lo,val)
454 #define SET_SBIC_selid(sc,val) wd33c93_write_reg(sc,SBIC_selid,val)
455 #define GET_SBIC_selid(sc,val) wd33c93_read_reg(sc,SBIC_selid,val)
456 #define SET_SBIC_rselid(sc,val) wd33c93_write_reg(sc,SBIC_rselid,val)
457 #define GET_SBIC_rselid(sc,val) wd33c93_read_reg(sc,SBIC_rselid,val)
458 #define SET_SBIC_csr(sc,val) wd33c93_write_reg(sc,SBIC_csr,val)
459 #define GET_SBIC_csr(sc,val) wd33c93_read_reg(sc,SBIC_csr,val)
460 #define SET_SBIC_cmd(sc,val) wd33c93_write_reg(sc,SBIC_cmd,val)
461 #define GET_SBIC_cmd(sc,val) wd33c93_read_reg(sc,SBIC_cmd,val)
462 #define SET_SBIC_data(sc,val) wd33c93_write_reg(sc,SBIC_data,val)
463 #define GET_SBIC_data(sc,val) wd33c93_read_reg(sc,SBIC_data,val)
464 #define SET_SBIC_queue_tag(sc,val) wd33c93_write_reg(sc,SBIC_queue_tag,val)
465 #define GET_SBIC_queue_tag(sc,val) wd33c93_read_reg(sc,SBIC_queue_tag,val)
466
467 #define SBIC_TC_PUT(sc, val) \
468 do { \
469 wd33c93_write_reg(sc, SBIC_count_hi, ((val) >> 16)); \
470 *(volatile uint8_t *)(sc)->sc_data_regh = (val) >> 8; \
471 *(volatile uint8_t *)(sc)->sc_data_regh = (val); \
472 } while (/* CONSTCOND */0)
473
474 #define GET_SBIC_asr(sc, val) \
475 do { \
476 (val) = *(volatile uint8_t *)(sc)->sc_asr_regh; \
477 } while (/* CONSTCOND */0)
478
479 #define WAIT_CIP(sc) \
480 do { \
481 while (*(volatile uint8_t *)(sc)->sc_asr_regh & SBIC_ASR_CIP) \
482 continue; \
483 } while (/* CONSTCOND */0)
484
485 /*
486 * transmit a byte in programmed I/O mode
487 */
488 #define SEND_BYTE(sc, ch) \
489 do { \
490 WAIT_CIP(sc); \
491 SET_SBIC_cmd(sc, SBIC_CMD_SBT | SBIC_CMD_XFER_INFO); \
492 SBIC_WAIT(sc, SBIC_ASR_DBR, 0); \
493 SET_SBIC_data(sc, ch); \
494 } while (/* CONSTCOND */0)
495
496 /*
497 * receive a byte in programmed I/O mode
498 */
499 #define RECV_BYTE(sc, ch) \
500 do { \
501 WAIT_CIP(sc); \
502 SET_SBIC_cmd(sc, SBIC_CMD_SBT | SBIC_CMD_XFER_INFO); \
503 SBIC_WAIT(sc, SBIC_ASR_DBR, 0); \
504 GET_SBIC_data(sc, ch); \
505 } while (/* CONSTCOND */0)
506