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[netbsd-mini2440.git] / sys / dev / isa / isic_isa_avm_a1.c
blob8c5ebbea3c6b30c8aabbed3224e22c2030b2c7c1
1 /*
2 * Copyright (c) 1996 Andrew Gordon. All rights reserved.
3 *
4 * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
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 * 3. Neither the name of the author nor the names of any co-contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 * 4. Altered versions must be plainly marked as such, and must not be
19 * misrepresented as being the original software and/or documentation.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *---------------------------------------------------------------------------
34 *
35 * i4b_avm_a1.c - AVM A1/Fritz passive card driver for isdn4bsd
36 * ------------------------------------------------------------
37 *
38 * $Id: isic_isa_avm_a1.c,v 1.10 2007/10/19 12:00:19 ad Exp $
39 *
40 * last edit-date: [Fri Jan 5 11:37:22 2001]
41 *
42 *---------------------------------------------------------------------------*/
43
44 #include <sys/cdefs.h>
45 __KERNEL_RCSID(0, "$NetBSD: isic_isa_avm_a1.c,v 1.9 2007/03/04 06:02:12 christos Exp $");
46
47 #include "opt_isicisa.h"
48 #ifdef ISICISA_AVM_A1
49
50 #include <sys/param.h>
51 #if defined(__FreeBSD__) && __FreeBSD__ >= 3
52 #include <sys/ioccom.h>
53 #else
54 #include <sys/ioctl.h>
55 #endif
56 #include <sys/kernel.h>
57 #include <sys/systm.h>
58 #include <sys/mbuf.h>
59
60 #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
61 #include <sys/callout.h>
62 #endif
63
64 #ifdef __FreeBSD__
65 #include <machine/clock.h>
66 #include <i386/isa/isa_device.h>
67 #else
68 #include <sys/bus.h>
69 #include <sys/device.h>
70 #endif
71
72 #include <sys/socket.h>
73 #include <net/if.h>
74
75 #ifdef __FreeBSD__
76 #include <machine/i4b_debug.h>
77 #include <machine/i4b_ioctl.h>
78 #else
79 #include <netisdn/i4b_debug.h>
80 #include <netisdn/i4b_ioctl.h>
81 #endif
82
83 #include <netisdn/i4b_global.h>
84 #include <netisdn/i4b_l2.h>
85 #include <netisdn/i4b_l1l2.h>
86
87 #include <dev/ic/isic_l1.h>
88 #include <dev/ic/isac.h>
89 #include <dev/ic/hscx.h>
90
91 #ifndef __FreeBSD__
92 static u_int8_t avma1_read_reg(struct isic_softc *sc, int what, bus_size_t offs);
93 static void avma1_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data);
94 static void avma1_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size);
95 static void avma1_write_fifo(struct isic_softc *sc, int what, const void *data, size_t size);
96 #endif
97
98 /*---------------------------------------------------------------------------*
99 * AVM A1 and AVM Fritz! Card special registers
100 *---------------------------------------------------------------------------*/
101
102 #define AVM_CONF_REG 0x1800 /* base offset for config register */
103 #define AVM_CONF_IRQ 0x1801 /* base offset for IRQ register */
104 /* config register write */
105 #define AVM_CONF_WR_RESET 0x01 /* 1 = RESET ISAC and HSCX */
106 #define AVM_CONF_WR_CCL 0x02 /* 1 = clear counter low nibble */
107 #define AVM_CONF_WR_CCH 0x04 /* 1 = clear counter high nibble */
108 #define AVM_CONF_WR_IRQEN 0x08 /* 1 = enable IRQ */
109 #define AVM_CONF_WR_TEST 0x10 /* test bit */
110 /* config register read */
111 #define AVM_CONF_RD_IIRQ 0x01 /* 0 = ISAC IRQ active */
112 #define AVM_CONF_RD_HIRQ 0x02 /* 0 = HSCX IRQ active */
113 #define AVM_CONF_RD_CIRQ 0x04 /* 0 = counter IRQ active */
114 #define AVM_CONF_RD_ZER1 0x08 /* unused, always read 0 */
115 #define AVM_CONF_RD_TEST 0x10 /* test bit read back */
116 #define AVM_CONF_RD_ZER2 0x20 /* unused, always read 0 */
117
118 /*---------------------------------------------------------------------------*
119 * AVM read fifo routines
120 *---------------------------------------------------------------------------*/
121 #ifdef __FreeBSD__
122 static void
123 avma1_read_fifo(void *buf, const void *base, size_t len)
124 {
125 insb((int)base - 0x3e0, (u_char *)buf, (u_int)len);
126 }
127 #else
128 static void
129 avma1_read_fifo(struct isic_softc *sc, int what, void *buf, size_t size)
130 {
131 bus_space_tag_t t = sc->sc_maps[what+4].t;
132 bus_space_handle_t h = sc->sc_maps[what+4].h;
133 bus_space_read_multi_1(t, h, 0, buf, size);
134 }
135 #endif
136
137 /*---------------------------------------------------------------------------*
138 * AVM write fifo routines
139 *---------------------------------------------------------------------------*/
140 #ifdef __FreeBSD__
141 static void
142 avma1_write_fifo(void *base, const void *buf, size_t len)
143 {
144 outsb((int)base - 0x3e0, (u_char *)buf, (u_int)len);
145 }
146 #else
147 static void
148 avma1_write_fifo(struct isic_softc *sc, int what, const void *buf, size_t size)
149 {
150 bus_space_tag_t t = sc->sc_maps[what+4].t;
151 bus_space_handle_t h = sc->sc_maps[what+4].h;
152 bus_space_write_multi_1(t, h, 0, buf, size);
153 }
154 #endif
155
156 /*---------------------------------------------------------------------------*
157 * AVM write register routines
158 *---------------------------------------------------------------------------*/
159 #ifdef __FreeBSD__
160 static void
161 avma1_write_reg(u_char *base, u_int offset, u_int v)
162 {
163 outb((int)base + offset, (u_char)v);
164 }
165 #else
166 static void
167 avma1_write_reg(struct isic_softc *sc, int what, bus_size_t offs, u_int8_t data)
168 {
169 bus_space_tag_t t = sc->sc_maps[what+1].t;
170 bus_space_handle_t h = sc->sc_maps[what+1].h;
171 bus_space_write_1(t, h, offs, data);
172 }
173 #endif
174
175 /*---------------------------------------------------------------------------*
176 * AVM read register routines
177 *---------------------------------------------------------------------------*/
178 #ifdef __FreeBSD__
179 static u_char
180 avma1_read_reg(u_char *base, u_int offset)
181 {
182 return (inb((int)base + offset));
183 }
184 #else
185 static u_int8_t
186 avma1_read_reg(struct isic_softc *sc, int what, bus_size_t offs)
187 {
188 bus_space_tag_t t = sc->sc_maps[what+1].t;
189 bus_space_handle_t h = sc->sc_maps[what+1].h;
190 return bus_space_read_1(t, h, offs);
191 }
192 #endif
193
194 /*---------------------------------------------------------------------------*
195 * isic_probe_avma1 - probe for AVM A1 and compatibles
196 *---------------------------------------------------------------------------*/
197 #ifdef __FreeBSD__
198 int
199 isic_probe_avma1(struct isa_device *dev)
200 {
201 struct isic_softc *sc = &l1_sc[dev->id_unit];
202 u_char savebyte;
203 u_char byte;
204
205 /* check max unit range */
206
207 if(dev->id_unit >= ISIC_MAXUNIT)
208 {
209 printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for AVM A1/Fritz!\n",
210 dev->id_unit, dev->id_unit);
211 return(0);
212 }
213 sc->sc_unit = dev->id_unit;
214
215 /* check IRQ validity */
216
217 switch(ffs(dev->id_irq)-1)
218 {
219 case 3:
220 case 4:
221 case 5:
222 case 6:
223 case 7:
224 case 8:
225 case 10:
226 case 11:
227 case 12:
228 case 13:
229 case 14:
230 case 15:
231 break;
232
233 default:
234 printf("isic%d: Error, invalid IRQ [%d] specified for AVM A1/Fritz!\n",
235 dev->id_unit, ffs(dev->id_irq)-1);
236 return(0);
237 break;
238 }
239 sc->sc_irq = dev->id_irq;
240
241 /* check if memory addr specified */
242
243 if(dev->id_maddr)
244 {
245 printf("isic%d: Error, mem addr 0x%lx specified for AVM A1/Fritz!\n",
246 dev->id_unit, (u_long)dev->id_maddr);
247 return(0);
248 }
249
250 dev->id_msize = 0;
251
252 /* check if we got an iobase */
253
254 switch(dev->id_iobase)
255 {
256 case 0x200:
257 case 0x240:
258 case 0x300:
259 case 0x340:
260 break;
261
262 default:
263 printf("isic%d: Error, invalid iobase 0x%x specified for AVM A1/Fritz!\n",
264 dev->id_unit, dev->id_iobase);
265 return(0);
266 break;
267 }
268 sc->sc_port = dev->id_iobase;
269
270 sc->clearirq = NULL;
271 sc->readreg = avma1_read_reg;
272 sc->writereg = avma1_write_reg;
273
274 sc->readfifo = avma1_read_fifo;
275 sc->writefifo = avma1_write_fifo;
276
277 /* setup card type */
278
279 sc->sc_cardtyp = CARD_TYPEP_AVMA1;
280
281 /* setup IOM bus type */
282
283 sc->sc_bustyp = BUS_TYPE_IOM2;
284
285 sc->sc_ipac = 0;
286 sc->sc_bfifolen = HSCX_FIFO_LEN;
287
288 /* setup ISAC and HSCX base addr */
289
290 ISAC_BASE = (void *)dev->id_iobase + 0x1400 - 0x20;
291
292 HSCX_A_BASE = (void *)dev->id_iobase + 0x400 - 0x20;
293 HSCX_B_BASE = (void *)dev->id_iobase + 0xc00 - 0x20;
294
295 /*
296 * Read HSCX A/B VSTR.
297 * Expected value for AVM A1 is 0x04 or 0x05 and for the
298 * AVM Fritz!Card is 0x05 in the least significant bits.
299 */
300
301 if( (((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) &&
302 ((HSCX_READ(0, H_VSTR) & 0xf) != 0x4)) ||
303 (((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) &&
304 ((HSCX_READ(1, H_VSTR) & 0xf) != 0x4)) )
305 {
306 printf("isic%d: HSCX VSTR test failed for AVM A1/Fritz\n",
307 dev->id_unit);
308 printf("isic%d: HSC0: VSTR: %#x\n",
309 dev->id_unit, HSCX_READ(0, H_VSTR));
310 printf("isic%d: HSC1: VSTR: %#x\n",
311 dev->id_unit, HSCX_READ(1, H_VSTR));
312 return (0);
313 }
314
315 /* AVM A1 or Fritz! control register bits: */
316 /* read write */
317 /* 0x01 hscx irq* RESET */
318 /* 0x02 isac irq* clear counter1 */
319 /* 0x04 counter irq* clear counter2 */
320 /* 0x08 always 0 irq enable */
321 /* 0x10 read test bit set test bit */
322 /* 0x20 always 0 unused */
323
324 /*
325 * XXX the following test may be destructive, to prevent the
326 * worst case, we save the byte first, and in case the test
327 * fails, we write back the saved byte .....
328 */
329
330 savebyte = inb(dev->id_iobase + AVM_CONF_REG);
331
332 /* write low to test bit */
333
334 outb(dev->id_iobase + AVM_CONF_REG, 0x00);
335
336 /* test bit and next higher and lower bit must be 0 */
337
338 if((byte = inb(dev->id_iobase + AVM_CONF_REG) & 0x38) != 0x00)
339 {
340 printf("isic%d: Error, probe-1 failed, 0x%02x should be 0x00 for AVM A1/Fritz!\n",
341 dev->id_unit, byte);
342 outb(dev->id_iobase + AVM_CONF_REG, savebyte);
343 return (0);
344 }
345
346 /* write high to test bit */
347
348 outb(dev->id_iobase + AVM_CONF_REG, 0x10);
349
350 /* test bit must be high, next higher and lower bit must be 0 */
351
352 if((byte = inb(dev->id_iobase + AVM_CONF_REG) & 0x38) != 0x10)
353 {
354 printf("isic%d: Error, probe-2 failed, 0x%02x should be 0x10 for AVM A1/Fritz!\n",
355 dev->id_unit, byte);
356 outb(dev->id_iobase + AVM_CONF_REG, savebyte);
357 return (0);
358 }
359
360 return (1);
361 }
362
363 #else
364
365 int
366 isic_probe_avma1(struct isic_attach_args *ia)
367 {
368 u_int8_t savebyte, v1, v2;
369
370 /*
371 * Read HSCX A/B VSTR.
372 * Expected value for AVM A1 is 0x04 or 0x05 and for the
373 * AVM Fritz!Card is 0x05 in the least significant bits.
374 */
375
376 v1 = bus_space_read_1(ia->ia_maps[ISIC_WHAT_HSCXA+1].t, ia->ia_maps[ISIC_WHAT_HSCXA+1].h, H_VSTR) & 0x0f;
377 v2 = bus_space_read_1(ia->ia_maps[ISIC_WHAT_HSCXB+1].t, ia->ia_maps[ISIC_WHAT_HSCXB+1].h, H_VSTR) & 0x0f;
378 if (v1 != v2 || (v1 != 0x05 && v1 != 0x04))
379 return 0;
380
381 /* AVM A1 or Fritz! control register bits: */
382 /* read write */
383 /* 0x01 hscx irq* RESET */
384 /* 0x02 isac irq* clear counter1 */
385 /* 0x04 counter irq* clear counter2 */
386 /* 0x08 always 0 irq enable */
387 /* 0x10 read test bit set test bit */
388 /* 0x20 always 0 unused */
389
390 /*
391 * XXX the following test may be destructive, to prevent the
392 * worst case, we save the byte first, and in case the test
393 * fails, we write back the saved byte .....
394 */
395
396 savebyte = bus_space_read_1(ia->ia_maps[0].t, ia->ia_maps[0].h, 0);
397
398 /* write low to test bit */
399
400 bus_space_write_1(ia->ia_maps[0].t, ia->ia_maps[0].h, 0, 0);
401
402 /* test bit and next higher and lower bit must be 0 */
403
404 if((bus_space_read_1(ia->ia_maps[0].t, ia->ia_maps[0].h, 0) & 0x38) != 0x00)
405 {
406 bus_space_write_1(ia->ia_maps[0].t, ia->ia_maps[0].h, 0, savebyte);
407 return 0;
408 }
409
410 /* write high to test bit */
411
412 bus_space_write_1(ia->ia_maps[0].t, ia->ia_maps[0].h, 0, 0x10);
413
414 /* test bit must be high, next higher and lower bit must be 0 */
415
416 if((bus_space_read_1(ia->ia_maps[0].t, ia->ia_maps[0].h, 0) & 0x38) != 0x10)
417 {
418 bus_space_write_1(ia->ia_maps[0].t, ia->ia_maps[0].h, 0, savebyte);
419 return 0;
420 }
421
422 return (1);
423 }
424 #endif
425
426 /*---------------------------------------------------------------------------*
427 * isic_attach_avma1 - attach AVM A1 and compatibles
428 *---------------------------------------------------------------------------*/
429 #ifdef __FreeBSD__
430 int
431 isic_attach_avma1(struct isa_device *dev)
432 {
433 struct isic_softc *sc = &l1_sc[dev->id_unit];
434
435 /* reset the HSCX and ISAC chips */
436
437 outb(dev->id_iobase + AVM_CONF_REG, 0x00);
438 DELAY(SEC_DELAY / 10);
439
440 outb(dev->id_iobase + AVM_CONF_REG, AVM_CONF_WR_RESET);
441 DELAY(SEC_DELAY / 10);
442
443 outb(dev->id_iobase + AVM_CONF_REG, 0x00);
444 DELAY(SEC_DELAY / 10);
445
446 /* setup IRQ */
447
448 outb(dev->id_iobase + AVM_CONF_IRQ, (ffs(sc->sc_irq)) - 1);
449 DELAY(SEC_DELAY / 10);
450
451 /* enable IRQ, disable counter IRQ */
452
453 outb(dev->id_iobase + AVM_CONF_REG, AVM_CONF_WR_IRQEN |
454 AVM_CONF_WR_CCH | AVM_CONF_WR_CCL);
455 DELAY(SEC_DELAY / 10);
456
457 return (1);
458 }
459
460 #else
461
462 int
463 isic_attach_avma1(struct isic_softc *sc)
464 {
465 bus_space_tag_t t = sc->sc_maps[0].t;
466 bus_space_handle_t h = sc->sc_maps[0].h;
467
468 sc->clearirq = NULL;
469 sc->readreg = avma1_read_reg;
470 sc->writereg = avma1_write_reg;
471
472 sc->readfifo = avma1_read_fifo;
473 sc->writefifo = avma1_write_fifo;
474
475 /* setup IOM bus type */
476
477 sc->sc_bustyp = BUS_TYPE_IOM2;
478
479 sc->sc_ipac = 0;
480 sc->sc_bfifolen = HSCX_FIFO_LEN;
481
482 /* reset the HSCX and ISAC chips */
483
484 bus_space_write_1(t, h, 0, 0x00);
485 DELAY(SEC_DELAY / 10);
486
487 bus_space_write_1(t, h, 0, AVM_CONF_WR_RESET);
488 DELAY(SEC_DELAY / 10);
489
490 bus_space_write_1(t, h, 0, 0x00);
491 DELAY(SEC_DELAY / 10);
492
493 /* setup IRQ */
494
495 bus_space_write_1(t, h, 1, sc->sc_irq);
496 DELAY(SEC_DELAY / 10);
497
498 /* enable IRQ, disable counter IRQ */
499
500 bus_space_write_1(t, h, 0, AVM_CONF_WR_IRQEN |
501 AVM_CONF_WR_CCH | AVM_CONF_WR_CCL);
502 DELAY(SEC_DELAY / 10);
503
504 return (1);
505 }
506 #endif
507
508 #endif /* ISICISA_AVM_A1 */
NetBSD on the FriendlyARM MINI2440