hd64570reg.h revision 1.2 1 /* $NetBSD: hd64570reg.h,v 1.2 1998/10/28 16:26:01 kleink Exp $ */
2
3 /*
4 * Copyright (c) 1998 Vixie Enterprises
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 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of Vixie Enterprises nor the names
17 * of its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY VIXIE ENTERPRISES AND
21 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
22 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL VIXIE ENTERPRISES OR
25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * This software has been written for Vixie Enterprises by Michael Graff
35 * <explorer (at) flame.org>. To learn more about Vixie Enterprises, see
36 * ``http://www.vix.com''.
37 */
38
39 #ifndef _DEV_IC_HD64570REG_H_
40 #define _DEV_IC_HD64570REG_H_
41
42 /* XXX
43 * This is really HDLC specific stuff, but...
44 */
45 #define CISCO_MULTICAST 0x8f /* Cisco multicast address */
46 #define CISCO_UNICAST 0x0f /* Cisco unicast address */
47 #define CISCO_KEEPALIVE 0x8035 /* Cisco keepalive protocol */
48 #define CISCO_ADDR_REQ 0 /* Cisco address request */
49 #define CISCO_ADDR_REPLY 1 /* Cisco address reply */
50 #define CISCO_KEEPALIVE_REQ 2 /* Cisco keepalive request */
51
52 typedef struct cisco_pkt {
53 u_int32_t type;
54 u_int32_t par1;
55 u_int32_t par2;
56 u_int16_t rel;
57 u_int16_t time0;
58 u_int16_t time1;
59 } cisco_pkt_t;
60 #define CISCO_PKT_LEN 18 /* sizeof doesn't work right... */
61
62 #define HDLC_PROTOCOL_IP 0x0800 /* IP */
63
64 typedef struct hdlc_header {
65 u_int8_t addr;
66 u_int8_t control;
67 u_int16_t protocol;
68 } hdlc_header_t;
69 #define HDLC_HDRLEN 4
70
71 /*
72 * Hitachi HD64570 defininitions
73 */
74
75 /*
76 * At least one implementation uses a somewhat strange register address
77 * mapping. If a card doesn't, define this to be a pass-through
78 * macro. (The ntwo driver needs this...)
79 */
80 #ifndef SCADDR
81 #define SCADDR(y) (((y) & 0x0002) ? (((y) & 0x00fd) + 0x100) : (y))
82 #endif
83
84 /* SCA Control Registers */
85 #define SCA_PABR0 2
86 #define SCA_PABR1 3
87 #define SCA_WCRL 4 /* Wait Control reg */
88 #define SCA_WCRM 5 /* Wait Control reg */
89 #define SCA_WCRH 6 /* Wait Control reg */
90 #define SCA_PCR 8 /* DMA priority control reg */
91
92 /* Interrupt registers */
93 #define SCA_ISR0 0x10 /* Interrupt status register 0 */
94 #define SCA_ISR1 0x11 /* Interrupt status register 1 */
95 #define SCA_ISR2 0x12 /* Interrupt status register 2 */
96 #define SCA_IER0 0x14 /* Interrupt enable register 0 */
97 #define SCA_IER1 0x15 /* Interrupt enable register 1 */
98 #define SCA_IER2 0x16 /* Interrupt enable register 2 */
99 #define SCA_ITCR 0x18 /* interrupt control register */
100 #define SCA_IVR 0x1a /* interrupt vector */
101 #define SCA_IMVR 0x1c /* modified interrupt vector */
102
103 /* MSCI Channel 0 Registers */
104 #define SCA_TRBL0 0x20 /* TX/RX buffer reg */
105 #define SCA_TRBH0 0x21 /* TX/RX buffer reg */
106 #define SCA_ST00 0x22 /* Status reg 0 */
107 #define SCA_ST10 0x23 /* Status reg 1 */
108 #define SCA_ST20 0x24 /* Status reg 2 */
109 #define SCA_ST30 0x25 /* Status reg 3 */
110 #define SCA_FST0 0x26 /* frame Status reg */
111 #define SCA_IE00 0x28 /* Interrupt enable reg 0 */
112 #define SCA_IE10 0x29 /* Interrupt enable reg 1 */
113 #define SCA_IE20 0x2a /* Interrupt enable reg 2 */
114 #define SCA_FIE0 0x2b /* Frame Interrupt enable reg */
115 #define SCA_CMD0 0x2c /* Command reg */
116 #define SCA_MD00 0x2e /* Mode reg 0 */
117 #define SCA_MD10 0x2f /* Mode reg 1 */
118 #define SCA_MD20 0x30 /* Mode reg 2 */
119 #define SCA_CTL0 0x31 /* Control reg */
120 #define SCA_SA00 0x32 /* Syn Address reg 0 */
121 #define SCA_SA10 0x33 /* Syn Address reg 1 */
122 #define SCA_IDL0 0x34 /* Idle register */
123 #define SCA_TMC0 0x35 /* Time constant */
124 #define SCA_RXS0 0x36 /* RX clock source */
125 #define SCA_TXS0 0x37 /* TX clock source */
126 #define SCA_TRC00 0x38 /* TX Ready control reg 0 */
127 #define SCA_TRC10 0x39 /* TX Ready control reg 1 */
128 #define SCA_RRC0 0x3A /* RX Ready control reg */
129
130 /* MSCI Channel 1 Registers */
131 #define SCA_TRBL1 0x40 /* TX/RX buffer reg */
132 #define SCA_TRBH1 0x41 /* TX/RX buffer reg */
133 #define SCA_ST01 0x42 /* Status reg 0 */
134 #define SCA_ST11 0x43 /* Status reg 1 */
135 #define SCA_ST21 0x44 /* Status reg 2 */
136 #define SCA_ST31 0x45 /* Status reg 3 */
137 #define SCA_FST1 0x46 /* Frame Status reg */
138 #define SCA_IE01 0x48 /* Interrupt enable reg 0 */
139 #define SCA_IE11 0x49 /* Interrupt enable reg 1 */
140 #define SCA_IE21 0x4a /* Interrupt enable reg 2 */
141 #define SCA_FIE1 0x4b /* Frame Interrupt enable reg */
142 #define SCA_CMD1 0x4c /* Command reg */
143 #define SCA_MD01 0x4e /* Mode reg 0 */
144 #define SCA_MD11 0x4f /* Mode reg 1 */
145 #define SCA_MD21 0x50 /* Mode reg 2 */
146 #define SCA_CTL1 0x51 /* Control reg */
147 #define SCA_SA01 0x52 /* Syn Address reg 0 */
148 #define SCA_SA11 0x53 /* Syn Address reg 1 */
149 #define SCA_IDL1 0x54 /* Idle register */
150 #define SCA_TMC1 0x55 /* Time constant */
151 #define SCA_RXS1 0x56 /* RX clock source */
152 #define SCA_TXS1 0x57 /* TX clock source */
153 #define SCA_TRC01 0x58 /* TX Ready control reg 0 */
154 #define SCA_TRC11 0x59 /* TX Ready control reg 1 */
155 #define SCA_RRC1 0x5A /* RX Ready control reg */
156
157
158 /* SCA DMA registers */
159
160 #define SCA_DMER 0x9 /* DMA Master Enable reg */
161
162 /* DMA Channel 0 Registers (MSCI -> memory, or rx) */
163 #define SCA_BARL0 0x80 /* buffer address reg */
164 #define SCA_BARH0 0x81 /* buffer address reg */
165 #define SCA_BARB0 0x82 /* buffer address reg */
166 #define SCA_DARL0 0x80 /* Dest. address reg */
167 #define SCA_DARH0 0x81 /* Dest. address reg */
168 #define SCA_DARB0 0x82 /* Dest. address reg */
169 #define SCA_CPB0 0x86 /* Chain pointer base */
170 #define SCA_CDAL0 0x88 /* Current descriptor address */
171 #define SCA_CDAH0 0x89 /* Current descriptor address */
172 #define SCA_EDAL0 0x8A /* Error descriptor address */
173 #define SCA_EDAH0 0x8B /* Error descriptor address */
174 #define SCA_BFLL0 0x8C /* RX buffer length Low */
175 #define SCA_BFLH0 0x8D /* RX buffer length High */
176 #define SCA_BCRL0 0x8E /* Byte Count reg */
177 #define SCA_BCRH0 0x8F /* Byte Count reg */
178 #define SCA_DSR0 0x90 /* DMA Status reg */
179 #define SCA_DMR0 0x91 /* DMA Mode reg */
180 #define SCA_FCT0 0x93 /* Frame end interrupt Counter */
181 #define SCA_DIR0 0x94 /* DMA interrupt enable */
182 #define SCA_DCR0 0x95 /* DMA Command reg */
183
184 /* DMA Channel 1 Registers (memory -> MSCI, or tx) */
185 #define SCA_BARL1 0xA0 /* buffer address reg */
186 #define SCA_BARH1 0xA1 /* buffer address reg */
187 #define SCA_BARB1 0xA2 /* buffer address reg */
188 #define SCA_SARL1 0xA4 /* Source address reg */
189 #define SCA_SARH1 0xA5 /* Source address reg */
190 #define SCA_SARB1 0xA6 /* Source address reg */
191 #define SCA_CPB1 0xA6 /* Chain pointer base */
192 #define SCA_CDAL1 0xA8 /* Current descriptor address */
193 #define SCA_CDAH1 0xA9 /* Current descriptor address */
194 #define SCA_EDAL1 0xAA /* Error descriptor address */
195 #define SCA_EDAH1 0xAB /* Error descriptor address */
196 #define SCA_BCRL1 0xAE /* Byte Count reg */
197 #define SCA_BCRH1 0xAF /* Byte Count reg */
198 #define SCA_DSR1 0xB0 /* DMA Status reg */
199 #define SCA_DMR1 0xB1 /* DMA Mode reg */
200 #define SCA_FCT1 0xB3 /* Frame end interrupt Counter */
201 #define SCA_DIR1 0xB4 /* DMA interrupt enable */
202 #define SCA_DCR1 0xB5 /* DMA Command reg */
203
204 /* DMA Channel 2 Registers (MSCI -> memory) */
205 #define SCA_BARL2 0xC0 /* buffer address reg */
206 #define SCA_BARH2 0xC1 /* buffer address reg */
207 #define SCA_BARB2 0xC2 /* buffer address reg */
208 #define SCA_DSR2 0xD0 /* DMA Status reg */
209
210 /* DMA Channel 3 Registers (memory -> MSCI) */
211 #define SCA_BARL3 0xE0 /* buffer address reg */
212 #define SCA_BARH3 0xE1 /* buffer address reg */
213 #define SCA_BARB3 0xE2 /* buffer address reg */
214 #define SCA_DSR3 0xF0 /* DMA Status reg */
215
216 /*
217 * SCA HD64570 Register Definitions
218 */
219
220 #define ST3_CTS 8 /* modem input /CTS bit */
221 #define ST3_DCD 4 /* modem input /DCD bit */
222
223 /*
224 * SCA commands
225 */
226 #define SCA_CMD_TXRESET 0x01
227 #define SCA_CMD_TXENABLE 0x02
228 #define SCA_CMD_TXDISABLE 0x03
229 #define SCA_CMD_TXCRCINIT 0x04
230 #define SCA_CMD_TXCRCEXCL 0x05
231 #define SCA_CMS_TXEOM 0x06
232 #define SCA_CMD_TXABORT 0x07
233 #define SCA_CMD_MPON 0x08
234 #define SCA_CMD_TXBCLEAR 0x09
235
236 #define SCA_CMD_RXRESET 0x11
237 #define SCA_CMD_RXENABLE 0x12
238 #define SCA_CMD_RXDISABLE 0x13
239 #define SCA_CMD_RXCRCINIT 0x14
240 #define SCA_CMD_RXMSGREJ 0x15
241 #define SCA_CMD_MPSEARCH 0x16
242 #define SCA_CMD_RXCRCEXCL 0x17
243 #define SCA_CMD_RXCRCCALC 0x18
244
245 #define SCA_CMD_NOP 0x00
246 #define SCA_CMD_RESET 0x21
247 #define SCA_CMD_SEARCH 0x31
248
249 #define SCA_MD0_CRC_1 0x01
250 #define SCA_MD0_CRC_CCITT 0x02
251 #define SCA_MD0_CRC_ENABLE 0x04
252 #define SCA_MD0_AUTO_ENABLE 0x10
253 #define SCA_MD0_MODE_ASYNC 0x00
254 #define SCA_MD0_MODE_BYTESYNC1 0x20
255 #define SCA_MD0_MODE_BISYNC 0x40
256 #define SCA_MD0_MODE_BYTESYNC2 0x60
257 #define SCA_MD0_MODE_HDLC 0x80
258
259 #define SCA_MD1_NOADDRCHK 0x00
260 #define SCA_MD1_SNGLADDR1 0x40
261 #define SCA_MD1_SNGLADDR2 0x80
262 #define SCA_MD1_DUALADDR 0xC0
263
264 #define SCA_MD2_DUPLEX 0x00
265 #define SCA_MD2_ECHO 0x01
266 #define SCA_MD2_LOOPBACK 0x03
267 #define SCA_MD2_ADPLLx8 0x00
268 #define SCA_MD2_ADPLLx16 0x08
269 #define SCA_MD2_ADPLLx32 0x10
270 #define SCA_MD2_NRZ 0x00
271 #define SCA_MD2_NRZI 0x20
272 #define SCA_MD2_MANCHESTER 0x80
273 #define SCA_MD2_FM0 0xC0
274 #define SCA_MD2_FM1 0xA0
275
276 #define SCA_CTL_RTS 0x01
277 #define SCA_CTL_IDLPAT 0x10
278 #define SCA_CTL_UDRNC 0x20
279
280 #define SCA_RXS_DIV_MASK 0x0F
281 #define SCA_RXS_DIV1 0x00
282 #define SCA_RXS_DIV2 0x01
283 #define SCA_RXS_DIV4 0x02
284 #define SCA_RXS_DIV8 0x03
285 #define SCA_RXS_DIV16 0x04
286 #define SCA_RXS_DIV32 0x05
287 #define SCA_RXS_DIV64 0x06
288 #define SCA_RXS_DIV128 0x07
289 #define SCA_RXS_DIV256 0x08
290 #define SCA_RXS_DIV512 0x09
291 #define SCA_RXS_CLK_RXC0 0x00
292 #define SCA_RXS_CLK_RXC1 0x20
293 #define SCA_RXS_CLK_INT 0x40
294 #define SCA_RXS_CLK_ADPLL_OUT 0x60
295 #define SCA_RXS_CLK_ADPLL_IN 0x70
296
297 #define SCA_TXS_DIV_MASK 0x0F
298 #define SCA_TXS_DIV1 0x00
299 #define SCA_TXS_DIV2 0x01
300 #define SCA_TXS_DIV4 0x02
301 #define SCA_TXS_DIV8 0x03
302 #define SCA_TXS_DIV16 0x04
303 #define SCA_TXS_DIV32 0x05
304 #define SCA_TXS_DIV64 0x06
305 #define SCA_TXS_DIV128 0x07
306 #define SCA_TXS_DIV256 0x08
307 #define SCA_TXS_DIV512 0x09
308 #define SCA_TXS_CLK_TXC 0x00
309 #define SCA_TXS_CLK_INT 0x40
310 #define SCA_TXS_CLK_RX 0x60
311
312 #define SCA_ST0_RXRDY 0x01
313 #define SCA_ST0_TXRDY 0x02
314 #define SCA_ST0_RXINT 0x40
315 #define SCA_ST0_TXINT 0x80
316
317 #define SCA_ST1_IDLST 0x01
318 #define SCA_ST1_ABTST 0x02
319 #define SCA_ST1_DCDCHG 0x04
320 #define SCA_ST1_CTSCHG 0x08
321 #define SCA_ST1_FLAG 0x10
322 #define SCA_ST1_TXIDL 0x40
323 #define SCA_ST1_UDRN 0x80
324
325 /* ST2 and FST look the same */
326 #define SCA_FST_CRCERR 0x04
327 #define SCA_FST_OVRN 0x08
328 #define SCA_FST_RESFRM 0x10
329 #define SCA_FST_ABRT 0x20
330 #define SCA_FST_SHRT 0x40
331 #define SCA_FST_EOM 0x80
332
333 #define SCA_ST3_RXENA 0x01
334 #define SCA_ST3_TXENA 0x02
335 #define SCA_ST3_DCD 0x04
336 #define SCA_ST3_CTS 0x08
337 #define SCA_ST3_ADPLLSRCH 0x10
338 #define SCA_ST3_TXDATA 0x20
339
340 #define SCA_FIE_EOMFE 0x80
341
342 #define SCA_IE0_RXRDY 0x01
343 #define SCA_IE0_TXRDY 0x02
344 #define SCA_IE0_RXINT 0x40
345 #define SCA_IE0_TXINT 0x80
346
347 #define SCA_IE1_IDLDE 0x01
348 #define SCA_IE1_ABTDE 0x02
349 #define SCA_IE1_DCD 0x04
350 #define SCA_IE1_CTS 0x08
351 #define SCA_IE1_FLAG 0x10
352 #define SCA_IE1_IDL 0x40
353 #define SCA_IE1_UDRN 0x80
354
355 #define SCA_IE2_CRCERR 0x04
356 #define SCA_IE2_OVRN 0x08
357 #define SCA_IE2_RESFRM 0x10
358 #define SCA_IE2_ABRT 0x20
359 #define SCA_IE2_SHRT 0x40
360 #define SCA_IE2_EOM 0x80
361
362 /* This is for RRC, TRC0 and TRC1. */
363 #define SCA_RCR_MASK 0x1F
364
365 #define SCA_IE1_
366
367 #define SCA_IV_CHAN0 0x00
368 #define SCA_IV_CHAN1 0x20
369
370 #define SCA_IV_RXRDY 0x04
371 #define SCA_IV_TXRDY 0x06
372 #define SCA_IV_RXINT 0x08
373 #define SCA_IV_TXINT 0x0A
374
375 #define SCA_IV_DMACH0 0x00
376 #define SCA_IV_DMACH1 0x08
377 #define SCA_IV_DMACH2 0x20
378 #define SCA_IV_DMACH3 0x28
379
380 #define SCA_IV_DMIA 0x14
381 #define SCA_IV_DMIB 0x16
382
383 #define SCA_IV_TIMER0 0x1C
384 #define SCA_IV_TIMER1 0x1E
385 #define SCA_IV_TIMER2 0x3C
386 #define SCA_IV_TIMER3 0x3E
387
388 /*
389 * DMA registers
390 */
391 #define SCA_DSR_EOT 0x80
392 #define SCA_DSR_EOM 0x40
393 #define SCA_DSR_BOF 0x20
394 #define SCA_DSR_COF 0x10
395 #define SCA_DSR_DE 0x02
396 #define SCA_DSR_DEWD 0x01 /* write DISABLE DE bit */
397
398 #define SCA_DMR_TMOD 0x10
399 #define SCA_DMR_NF 0x04
400 #define SCA_DMR_CNTE 0x02
401
402 #define SCA_DMER_EN 0x80
403
404 #define SCA_DCR_ABRT 0x01
405 #define SCA_DCR_FCCLR 0x02 /* Clear frame end intr counter */
406
407 #define SCA_DIR_EOT 0x80
408 #define SCA_DIR_EOM 0x40
409 #define SCA_DIR_BOF 0x20
410 #define SCA_DIR_COF 0x10
411
412 #define SCA_PCR_BRC 0x10
413 #define SCA_PCR_CCC 0x08
414 #define SCA_PCR_PR2 0x04
415 #define SCA_PCR_PR1 0x02
416 #define SCA_PCR_PR0 0x01
417
418 /*
419 * Descriptor Status byte bit definitions:
420 *
421 * Bit Receive Status Transmit Status
422 * -------------------------------------------------
423 * 7 EOM EOM
424 * 6 Short Frame ...
425 * 5 Abort ...
426 * 4 Residual bit ...
427 * 3 Overrun ...
428 * 2 CRC ...
429 * 1 ... ...
430 * 0 ... EOT
431 * -------------------------------------------------
432 */
433
434 #define ST_EOM 0x80 /* End of frame */
435 #define ST_SHRT 0x40 /* Short frame */
436 #define ST_ABT 0x20 /* Abort detected */
437 #define ST_RBIT 0x10 /* Residual bit detected */
438 #define ST_OVRN 0x8 /* Overrun error */
439 #define ST_CRCE 0x4 /* CRC Error */
440 #define ST_OVFL 0x1 /* Buffer OverFlow error (software defined) */
441
442 #define ST_EOT 1 /* End of transmit command */
443
444
445 /* DMA Status register (DSR) bit definitions */
446 #define DSR_EOT 0x80 /* end of transfer EOT bit */
447 #define DSR_EOM 0x40 /* end of frame EOM bit */
448 #define DSR_BOF 0x20 /* buffer overflow BOF bit */
449 #define DSR_COF 0x10 /* counter overflow COF bit */
450 #define DSR_DWE 1 /* write disable DWE bit */
451
452 /* MSCI Status register 0 bits */
453
454 #define RXRDY_BIT 1 /* RX ready */
455 #define TXRDY_BIT 2 /* TX ready */
456
457 #define ST3_CTS 8 /* modem input /CTS bit */
458 #define ST3_DCD 4 /* modem input /DCD bit */
459
460
461 /* TX and RX Clock Source */
462 #define CLK_LINE 0x00 /* TX/RX line input */
463 #define CLK_BRG 0x40 /* internal baud rate generator */
464 #define CLK_RXC 0x60 /* receive clock */
465
466 /* Clocking options */
467 #define CLK_INT 0 /* Internal - Baud Rate generator output */
468 #define CLK_EXT 1 /* External - both clocks */
469 #define CLK_RXCI 2 /* External - Receive Clock only */
470 #define CLK_EETC 3 /* EETC clock: TX = int. / RX = ext.*/
471
472 #define SCA_DMAC_OFF_0 0x00 /* offset of DMAC for port 0 */
473 #define SCA_DMAC_OFF_1 0x40 /* offset of DMAC for port 1 */
474 #define SCA_MSCI_OFF_0 0x00 /* offset of MSCI for port 0 */
475 #define SCA_MSCI_OFF_1 0x20 /* offset of MSCI for port 1 */
476
477 /*
478 * DMA constraints
479 */
480 #define SCA_DMA_ALIGNMENT (64 * 1024) /* 64 KB alignment */
481 #define SCA_DMA_BOUNDRY (16 * 1024 * 1024) /* 16 MB region */
482
483 #endif /* _DEV_IC_HD64570REG_H_ */
484