2 * Copyright (c) 1996 Arne Helme. All rights reserved.
4 * Copyright (c) 1996 Gary Jennejohn. All rights reserved.
6 * Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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. Neither the name of the author nor the names of any co-contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 * 4. Altered versions must be plainly marked as such, and must not be
21 * misrepresented as being the original software and/or documentation.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 *---------------------------------------------------------------------------
37 * isic - I4B Siemens ISDN Chipset Driver for Teles S0/16 and clones
38 * =================================================================
40 * $Id: i4b_tel_s016.c,v 1.3 1999/12/13 21:25:26 hm Exp $
44 * last edit-date: [Mon Dec 13 22:02:47 1999]
46 *---------------------------------------------------------------------------*/
51 #if NISIC > 0 && defined(TEL_S0_16)
53 #include <sys/param.h>
54 #include <sys/systm.h>
56 #include <sys/socket.h>
58 #include <machine/clock.h>
59 #include <machine/md_var.h>
63 #include <machine/i4b_debug.h>
64 #include <machine/i4b_ioctl.h>
66 #include <i4b/layer1/i4b_l1.h>
67 #include <i4b/layer1/i4b_isac.h>
68 #include <i4b/layer1/i4b_hscx.h>
70 #include <i4b/include/i4b_global.h>
71 #include <i4b/include/i4b_l1l2.h>
72 #include <i4b/include/i4b_mbuf.h>
74 #define TELES_S016_MEMSIZE 0x1000
76 static u_char intr_no[] = { 1, 1, 0, 2, 4, 6, 1, 1, 1, 0, 8, 10, 12, 1, 1, 14 };
77 static const bus_size_t offset[] = { 0x100, 0x180, 0x1c0 };
79 /*---------------------------------------------------------------------------*
80 * Teles S0/16 write register routine
81 *---------------------------------------------------------------------------*/
83 tels016_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
85 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
86 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
93 bus_space_write_1(t, h, offs, data);
96 /*---------------------------------------------------------------------------*
97 * Teles S0/16 read register routine
98 *---------------------------------------------------------------------------*/
100 tels016_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
102 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
103 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
105 offs += offset[what];
110 return bus_space_read_1(t, h, offs);
113 /*---------------------------------------------------------------------------*
114 * Teles S0/16 fifo write routine
115 *---------------------------------------------------------------------------*/
117 tels016_write_fifo(struct l1_softc *sc, int what, void *data, size_t size)
119 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
120 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
121 bus_space_write_region_1(t, h, offset[what], data, size);
124 /*---------------------------------------------------------------------------*
125 * Teles S0/16 fifo read routine
126 *---------------------------------------------------------------------------*/
128 tels016_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
130 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
131 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
132 bus_space_read_region_1(t, h, offset[what], buf, size);
135 /*---------------------------------------------------------------------------*
136 * isic_probe_s016 - probe for Teles S0/16 and compatibles
137 *---------------------------------------------------------------------------*/
139 isic_probe_s016(device_t dev)
141 size_t unit = device_get_unit(dev); /* get unit */
142 struct l1_softc *sc = 0; /* softc */
143 void *ih = 0; /* dummy */
144 u_int8_t b0,b1,b2; /* for signature */
145 bus_space_tag_t t; /* bus things */
146 bus_space_handle_t h;
148 /* check max unit range */
150 if(unit >= ISIC_MAXUNIT)
152 printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Teles S0/16!\n",
157 sc = &l1_sc[unit]; /* get pointer to softc */
159 sc->sc_unit = unit; /* set unit */
161 sc->sc_flags = FLAG_TELES_S0_16; /* set flags */
163 /* see if an io base was supplied */
165 if(!(sc->sc_resources.io_base[0] =
166 bus_alloc_resource(dev, SYS_RES_IOPORT,
167 &sc->sc_resources.io_rid[0],
168 0ul, ~0ul, 1, RF_ACTIVE)))
170 printf("isic%d: Could not allocate i/o port for Teles S0/16.\n", unit);
174 sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]);
177 * check if the provided io port is valid
188 printf("isic%d: Error, invalid iobase 0x%x specified for Teles S0/16!\n",
190 isic_detach_common(dev);
195 /* allocate memory resource */
197 if(!(sc->sc_resources.mem =
198 bus_alloc_resource(dev, SYS_RES_MEMORY,
199 &sc->sc_resources.mem_rid,
200 0ul, ~0ul, TELES_S016_MEMSIZE,
203 printf("isic%d: Could not allocate memory for Teles S0/16.\n", unit);
204 isic_detach_common(dev);
211 sc->sc_vmem_addr = rman_get_virtual(sc->sc_resources.mem);
214 * check for valid adresses
216 switch(kvtop(sc->sc_vmem_addr))
237 printf("isic%d: Error, invalid memory address 0x%lx for Teles S0/16!\n",
238 unit, kvtop(sc->sc_vmem_addr));
239 isic_detach_common(dev);
244 /* setup ISAC access routines */
248 sc->readreg = tels016_read_reg;
249 sc->writereg = tels016_write_reg;
251 sc->readfifo = tels016_read_fifo;
252 sc->writefifo = tels016_write_fifo;
254 /* setup card type */
255 sc->sc_cardtyp = CARD_TYPEP_16;
257 /* setup IOM bus type */
259 sc->sc_bustyp = BUS_TYPE_IOM1;
262 sc->sc_bfifolen = HSCX_FIFO_LEN;
264 /* setup ISAC base addr, though we don't really need it */
266 ISAC_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x100);
268 /* setup HSCX base addr */
270 HSCX_A_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x180);
271 HSCX_B_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x1c0);
273 t = rman_get_bustag(sc->sc_resources.io_base[0]);
274 h = rman_get_bushandle(sc->sc_resources.io_base[0]);
276 /* get signature bytes */
277 b0 = bus_space_read_1(t, h, 0);
278 b1 = bus_space_read_1(t, h, 1);
279 b2 = bus_space_read_1(t, h, 2);
281 /* check signature bytes */
284 printf("isic%d: Error, signature 1 0x%x != 0x51 for Teles S0/16!\n",
286 isic_detach_common(dev);
292 printf("isic%d: Error, signature 2 0x%x != 0x93 for Teles S0/16!\n",
294 isic_detach_common(dev);
298 if((b2 != 0x1e) && (b2 != 0x1f))
300 printf("isic%d: Error, signature 3 0x%x != 0x1e or 0x1f for Teles S0/16!\n",
302 isic_detach_common(dev);
308 if(!(sc->sc_resources.irq =
309 bus_alloc_resource(dev, SYS_RES_IRQ,
310 &sc->sc_resources.irq_rid,
311 0ul, ~0ul, 1, RF_ACTIVE)))
313 printf("isic%d: Could not allocate irq for Teles S0/16.\n", unit);
314 isic_detach_common(dev);
318 /* register interupt routine */
320 bus_setup_intr(dev, sc->sc_resources.irq,
322 (void(*)(void *))(isicintr),
325 /* get the irq number */
327 sc->sc_irq = rman_get_start(sc->sc_resources.irq);
329 /* check IRQ validity */
331 if((intr_no[sc->sc_irq]) == 1)
333 printf("isic%d: Error, invalid IRQ [%d] specified for Teles S0/16!\n",
335 isic_detach_common(dev);
342 /*---------------------------------------------------------------------------*
343 * isic_attach_s016 - attach Teles S0/16 and compatibles
344 *---------------------------------------------------------------------------*/
346 isic_attach_s016(device_t dev)
348 struct l1_softc *sc = &l1_sc[device_get_unit(dev)];
351 bus_space_tag_t ta = rman_get_bustag(sc->sc_resources.mem);
352 bus_space_handle_t ha = rman_get_bushandle(sc->sc_resources.mem);
353 bus_space_tag_t tb = rman_get_bustag(sc->sc_resources.io_base[0]);
354 bus_space_handle_t hb = rman_get_bushandle(sc->sc_resources.io_base[0]);
356 /* is this right for FreeBSD or off by one ? */
357 irq = intr_no[sc->sc_irq];
361 irq |= ((u_long) sc->sc_vmem_addr) >> 9;
363 DELAY(SEC_DELAY / 10);
364 bus_space_write_1(tb, hb, 4, irq);
366 DELAY(SEC_DELAY / 10);
367 bus_space_write_1(tb, hb, 4, irq | 0x01);
369 DELAY(SEC_DELAY / 5);
371 /* set card bit off */
373 bus_space_write_1(ta, ha, 0x80, 0);
374 DELAY(SEC_DELAY / 5);
376 /* set card bit on */
378 bus_space_write_1(ta, ha, 0x80, 1);
379 DELAY(SEC_DELAY / 5);
383 #endif /* ISIC > 0 */