2 * Copyright (c) 2000 Hans Petter Selasky. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 *---------------------------------------------------------------------------
27 * i4b_ihfc_pnp.c - common hfc ISA PnP-bus interface
28 * -------------------------------------------------
30 * - Everything which has got anything to to with "PnP" bus setup has
31 * been put here, except the chip spesific "PnP" setup.
34 * last edit-date: [Tue Jan 23 16:03:33 2001]
36 * $Id: i4b_ihfc_pnp.c,v 1.9 2000/09/19 13:50:36 hm Exp $
38 * $FreeBSD: src/sys/i4b/layer1/ihfc/i4b_ihfc_pnp.c,v 1.5.2.1 2001/08/10 14:08:37 obrien Exp $
39 * $DragonFly: src/sys/net/i4b/layer1/ihfc/i4b_ihfc_pnp.c,v 1.3 2003/08/07 21:17:26 dillon Exp $
41 *---------------------------------------------------------------------------*/
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/kernel.h>
50 #include <sys/socket.h>
54 #include "../../include/i4b_global.h"
55 #include <net/i4b/include/machine/i4b_ioctl.h>
56 #include <net/i4b/include/machine/i4b_trace.h>
58 #include "../i4b_l1.h"
60 #include "i4b_ihfc_ext.h"
62 #include <machine/bus.h>
63 #include <machine/resource.h>
67 #include <bus/isa/isavar.h>
69 /*---------------------------------------------------------------------------*
71 *---------------------------------------------------------------------------*/
72 ihfc_sc_t ihfc_softc[IHFC_MAXUNIT];
74 /*---------------------------------------------------------------------------*
76 *---------------------------------------------------------------------------*/
77 static int ihfc_isa_probe (device_t dev);
78 static int ihfc_pnp_probe (device_t dev);
79 static int ihfc_pnp_attach (device_t dev);
80 static int ihfc_pnp_detach (device_t dev, u_int flag);
81 static int ihfc_pnp_shutdown (device_t dev);
83 const struct ihfc_pnp_ids
85 u_long vid; /* vendor id */
87 u_char hfc; /* chip type */
88 u_char iirq; /* internal irq */
89 u_short iio; /* internal io-address */
90 u_char stdel; /* S/T delay compensation */
94 { 0x10262750, CARD_TYPEP_16_3C, HFC_S, 2, 0x200, 0x2d},
95 { 0x20262750, CARD_TYPEP_16_3C, HFC_SP, 0, 0x000, 0x0f},
96 { 0x1411d805, CARD_TYPEP_ACERP10, HFC_S, 1, 0x300, 0x0e},
100 typedef const struct ihfc_pnp_ids ihfc_id_t;
102 /*---------------------------------------------------------------------------*
105 * IIRQx: Internal IRQ cross reference for a card
106 * IRQx : Supported IRQ's for a card
107 * IOx : Supported IO-bases for a card
109 * IO0, IRQ0, IIRQ0: TELEINT ISDN SPEED No. 1
110 * IIRQ3: Teles 16.3c PnP (B version)
111 *---------------------------------------------------------------------------*/
112 /* IRQ -> 0 1 2 3 4 5 6 7 8 9 a b c d e f */
113 #define IIRQ0 ((const u_char []){ 0, 0, 0, 1, 2, 3, 0, 4, 0, 0, 5, 6, 0, 0, 0, 0 })
114 #define IRQ0 ((const u_char []){ 3, 4, 5, 7, 0xa, 0xb, 0 })
116 #define IO0 ((const u_long []){ 0x300, 0x330, 0x278, 0x2e8, 0 })
118 #define IIRQ3 ((const u_char []){ 0, 0, 0, 7, 0, 1, 0, 0, 0, 2, 3, 4, 5, 0, 0, 6 })
120 /*---------------------------------------------------------------------------*
122 *---------------------------------------------------------------------------*/
123 static device_method_t ihfc_pnp_methods[] =
125 DEVMETHOD(device_probe, ihfc_pnp_probe),
126 DEVMETHOD(device_attach, ihfc_pnp_attach),
127 DEVMETHOD(device_shutdown, ihfc_pnp_shutdown),
131 static driver_t ihfc_pnp_driver =
138 static devclass_t ihfc_devclass;
140 DRIVER_MODULE(ihfcpnp, isa, ihfc_pnp_driver, ihfc_devclass, 0, 0);
142 /*---------------------------------------------------------------------------*
143 * probe for ISA "PnP" card
144 *---------------------------------------------------------------------------*/
146 ihfc_pnp_probe(device_t dev)
148 u_int unit = device_get_unit(dev); /* get unit */
149 u_int32_t vid = isa_get_vendorid(dev); /* vendor id */
150 ihfc_id_t *ids = &ihfc_pnp_ids[0]; /* ids ptr */
151 ihfc_sc_t *sc = &ihfc_softc[unit]; /* softc */
152 u_char flag = 0; /* flag */
153 void *dummy = 0; /* a dummy */
157 if (unit >= IHFC_MAXUNIT)
159 printf("ihfc%d: Error, unit %d >= IHFC_MAXUNIT", unit, unit);
163 if (!vid) return ihfc_isa_probe(dev);
167 for ( ;(ids->vid); ids++)
173 bzero(sc, sizeof(ihfc_sc_t)); /* reset data structure.*
174 * Zero is default for *
175 * most, so calling the *
176 * int. handler now will*
177 * not be a problem. */
179 S_IOBASE[0] = bus_alloc_resource(
180 dev, SYS_RES_IOPORT, &S_IORID[0],
181 0UL, ~0UL, 2, RF_ACTIVE
184 S_IRQ = bus_alloc_resource(
185 dev, SYS_RES_IRQ, &S_IRQRID,
186 0UL, ~0UL, 1, RF_ACTIVE
189 S_DLP = IHFC_DLP; /* set D-priority */
190 S_HFC = ids->hfc; /* set chip type */
191 S_I4BFLAG = ids->flag; /* set flag */
192 S_NTMODE = IHFC_NTMODE; /* set mode */
193 S_STDEL = ids->stdel; /* set delay */
195 S_I4BUNIT = L0IHFCUNIT(unit); /* set "i4b" unit */
196 S_TRACE = TRACE_OFF; /* set trace mask */
197 S_UNIT = unit; /* set up unit numbers */
199 if (S_IOBASE[0] && S_IRQ)
208 S_IIO = rman_get_start(S_IOBASE[0]) & 0x3ff;
209 S_IIRQ = IIRQ3[rman_get_start(S_IRQ) & 0xf];
212 /* setup interrupt routine now to avvoid stray *
215 bus_setup_intr(dev, S_IRQ, INTR_TYPE_NET, (void(*)(void*))
216 HFC_INTR, sc, &dummy);
220 if (!HFC_CONTROL(sc, 1))
223 return 0; /* success */
227 printf("ihfc%d: Chip seems corrupted. "
228 "Please hard reboot your computer!\n",
233 ihfc_pnp_detach(dev, flag);
238 return ENXIO; /* failure */
241 /*---------------------------------------------------------------------------*
242 * probe for "ISA" cards
243 *---------------------------------------------------------------------------*/
245 ihfc_isa_probe(device_t dev)
247 u_int unit = device_get_unit(dev); /* get unit */
248 ihfc_sc_t *sc = &ihfc_softc[unit]; /* softc */
249 const u_char *irq = &IRQ0[0]; /* irq's to try */
250 const u_long *iobase = &IO0[0]; /* iobases to try */
251 u_char flag = 0; /* flag */
252 void *dummy = 0; /* a dummy */
256 bzero(sc, sizeof(ihfc_sc_t)); /* reset data structure *
257 * We must reset the *
258 * datastructure here, *
259 * else we risk zero-out *
260 * our gotten resources. */
263 j0: while(*irq) /* get supported IRQ */
265 if ((S_IRQ = bus_alloc_resource(
266 dev, SYS_RES_IRQ, &S_IRQRID,
267 *irq, *irq, 1, RF_ACTIVE
275 while(*iobase) /* get supported IO-PORT */
277 if ((S_IOBASE[0] = bus_alloc_resource(
278 dev, SYS_RES_IOPORT, &S_IORID[0],
279 *iobase, *iobase, 2, RF_ACTIVE
289 if (*irq && *iobase) /* we got our resources, now test chip */
291 S_DLP = IHFC_DLP; /* set D-priority */
292 S_HFC = HFC_1; /* set chip type */
293 S_I4BFLAG = CARD_TYPEP_TELEINT_NO_1; /* set flag */
294 S_NTMODE = IHFC_NTMODE; /* set mode */
295 S_STDEL = 0x00; /* set delay (not used) */
297 S_I4BUNIT = L0IHFCUNIT(unit); /* set "i4b" unit */
298 S_TRACE = TRACE_OFF; /* set trace mask */
299 S_UNIT = unit; /* set up unit numbers */
301 S_IIRQ = IIRQ0[*irq]; /* set internal irq */
302 S_IIO = *iobase; /* set internal iobase */
304 /* setup interrupt routine now to avvoid stray *
307 bus_setup_intr(dev, S_IRQ, INTR_TYPE_NET, (void(*)(void*))
308 HFC_INTR, sc, &dummy);
312 if (!HFC_CONTROL(sc, 1))
314 device_set_desc(dev, "TELEINT ISDN SPEED No. 1");
317 return 0; /* success */
321 ihfc_pnp_detach(dev, flag);
323 if (*irq && *++iobase) goto j0; /* try again */
327 printf("ihfc%d: Chip not found. "
328 "A hard reboot may help!\n", unit);
330 return ENXIO; /* failure */
333 /*---------------------------------------------------------------------------*
334 * attach ISA "PnP" card
335 *---------------------------------------------------------------------------*/
337 ihfc_pnp_attach(device_t dev)
339 u_int unit = device_get_unit(dev); /* get unit */
340 ihfc_sc_t *sc = &ihfc_softc[unit]; /* softc */
345 ihfc_B_linkinit(sc); /* Setup B-Channel linktabs */
347 i4b_l1_mph_status_ind(S_I4BUNIT, STI_ATTACH, S_I4BFLAG, &ihfc_l1mux_func);
349 HFC_INIT(sc, 0, 0, 1); /* Setup D - Channel */
351 HFC_INIT(sc, 2, 0, 0); /* Init B1 - Channel */
352 HFC_INIT(sc, 4, 0, 0); /* Init B2 - Channel */
355 return 0; /* success */
358 return ENXIO; /* failure */
361 /*---------------------------------------------------------------------------*
362 * shutdown for our ISA PnP card
363 *---------------------------------------------------------------------------*/
365 ihfc_pnp_shutdown(device_t dev)
367 u_int unit = device_get_unit(dev); /* get unit */
368 ihfc_sc_t *sc = &ihfc_softc[unit]; /* softc */
373 if (unit >= IHFC_MAXUNIT)
375 printf("ihfc%d: Error, unit %d >= IHFC_MAXUNIT", unit, unit);
379 HFC_CONTROL(sc, 2); /* shutdown chip */
389 /*---------------------------------------------------------------------------*
390 * detach for our ISA PnP card
392 * flag: bit[0] set: teardown interrupt handler too
393 *---------------------------------------------------------------------------*/
395 ihfc_pnp_detach (device_t dev, u_int flag)
397 u_int unit = device_get_unit(dev); /* get unit */
398 ihfc_sc_t *sc = &ihfc_softc[unit]; /* softc */
401 if (unit >= IHFC_MAXUNIT)
403 printf("ihfc%d: Error, unit %d >= IHFC_MAXUNIT", unit, unit);
407 /* free interrupt resources */
413 /* tear down interrupt handler */
414 bus_teardown_intr(dev, S_IRQ, (void(*)(void *))HFC_INTR);
418 bus_release_resource(dev, SYS_RES_IRQ, S_IRQRID, S_IRQ);
427 for (i = IHFC_IO_BASES; i--;)
431 bus_release_resource(dev, SYS_RES_IOPORT,
432 S_IORID[i], S_IOBASE[i]);
441 #endif /* NIHFC > 0 */