2 * Copyright (c) 1996 Arne Helme. All rights reserved.
4 * Copyright (c) 1996 Gary Jennejohn. All rights reserved.
6 * Copyright (c) 1997, 2001 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 * $FreeBSD: src/sys/i4b/layer1/isic/i4b_tel_s016.c,v 1.5.2.1 2001/08/10 14:08:38 obrien Exp $
42 * last edit-date: [Wed Jan 24 09:27:24 2001]
44 *---------------------------------------------------------------------------*/
49 #if NISIC > 0 && defined(TEL_S0_16)
51 #include <sys/param.h>
52 #include <sys/systm.h>
53 #include <sys/socket.h>
56 #include <machine/md_var.h>
57 #include <net/i4b/include/machine/i4b_ioctl.h>
58 #include <net/i4b/include/machine/i4b_trace.h>
60 #include "../i4b_l1.h"
64 #define TELES_S016_MEMSIZE 0x1000
66 static u_char intr_no[] = { 1, 1, 0, 2, 4, 6, 1, 1, 1, 0, 8, 10, 12, 1, 1, 14 };
67 static const bus_size_t offset[] = { 0x100, 0x180, 0x1c0 };
69 /*---------------------------------------------------------------------------*
70 * Teles S0/16 write register routine
71 *---------------------------------------------------------------------------*/
73 tels016_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
75 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
76 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
83 bus_space_write_1(t, h, offs, data);
86 /*---------------------------------------------------------------------------*
87 * Teles S0/16 read register routine
88 *---------------------------------------------------------------------------*/
90 tels016_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
92 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
93 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
100 return bus_space_read_1(t, h, offs);
103 /*---------------------------------------------------------------------------*
104 * Teles S0/16 fifo write routine
105 *---------------------------------------------------------------------------*/
107 tels016_write_fifo(struct l1_softc *sc, int what, void *data, size_t size)
109 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
110 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
111 bus_space_write_region_1(t, h, offset[what], data, size);
114 /*---------------------------------------------------------------------------*
115 * Teles S0/16 fifo read routine
116 *---------------------------------------------------------------------------*/
118 tels016_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
120 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.mem);
121 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.mem);
122 bus_space_read_region_1(t, h, offset[what], buf, size);
125 /*---------------------------------------------------------------------------*
126 * isic_probe_s016 - probe for Teles S0/16 and compatibles
127 *---------------------------------------------------------------------------*/
129 isic_probe_s016(device_t dev)
131 size_t unit = device_get_unit(dev); /* get unit */
132 struct l1_softc *sc = NULL; /* softc */
133 void *ih = NULL; /* dummy */
134 u_int8_t b0,b1,b2; /* for signature */
135 bus_space_tag_t t; /* bus things */
136 bus_space_handle_t h;
138 /* check max unit range */
140 if(unit >= ISIC_MAXUNIT)
142 kprintf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Teles S0/16!\n",
147 sc = &l1_sc[unit]; /* get pointer to softc */
148 sc->sc_unit = unit; /* set unit */
150 /* see if an io base was supplied */
152 if(!(sc->sc_resources.io_base[0] =
153 bus_alloc_resource(dev, SYS_RES_IOPORT,
154 &sc->sc_resources.io_rid[0],
155 0ul, ~0ul, 1, RF_ACTIVE)))
157 kprintf("isic%d: Could not allocate i/o port for Teles S0/16.\n", unit);
161 sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]);
164 * check if the provided io port is valid
175 kprintf("isic%d: Error, invalid iobase 0x%x specified for Teles S0/16!\n",
177 isic_detach_common(dev);
182 /* allocate memory resource */
184 if(!(sc->sc_resources.mem =
185 bus_alloc_resource(dev, SYS_RES_MEMORY,
186 &sc->sc_resources.mem_rid,
187 0ul, ~0ul, TELES_S016_MEMSIZE,
190 kprintf("isic%d: Could not allocate memory for Teles S0/16.\n", unit);
191 isic_detach_common(dev);
198 sc->sc_vmem_addr = rman_get_virtual(sc->sc_resources.mem);
201 * check for valid adresses
203 switch(kvtop(sc->sc_vmem_addr))
224 kprintf("isic%d: Error, invalid memory address 0x%llx for Teles S0/16!\n",
225 unit, kvtop(sc->sc_vmem_addr));
226 isic_detach_common(dev);
231 /* setup ISAC access routines */
235 sc->readreg = tels016_read_reg;
236 sc->writereg = tels016_write_reg;
238 sc->readfifo = tels016_read_fifo;
239 sc->writefifo = tels016_write_fifo;
241 /* setup card type */
242 sc->sc_cardtyp = CARD_TYPEP_16;
244 /* setup IOM bus type */
246 sc->sc_bustyp = BUS_TYPE_IOM1;
249 sc->sc_bfifolen = HSCX_FIFO_LEN;
251 /* setup ISAC base addr, though we don't really need it */
253 ISAC_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x100);
255 /* setup HSCX base addr */
257 HSCX_A_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x180);
258 HSCX_B_BASE = (caddr_t)((sc->sc_vmem_addr) + 0x1c0);
260 t = rman_get_bustag(sc->sc_resources.io_base[0]);
261 h = rman_get_bushandle(sc->sc_resources.io_base[0]);
263 /* get signature bytes */
264 b0 = bus_space_read_1(t, h, 0);
265 b1 = bus_space_read_1(t, h, 1);
266 b2 = bus_space_read_1(t, h, 2);
268 /* check signature bytes */
271 kprintf("isic%d: Error, signature 1 0x%x != 0x51 for Teles S0/16!\n",
273 isic_detach_common(dev);
279 kprintf("isic%d: Error, signature 2 0x%x != 0x93 for Teles S0/16!\n",
281 isic_detach_common(dev);
285 if((b2 != 0x1e) && (b2 != 0x1f))
287 kprintf("isic%d: Error, signature 3 0x%x != 0x1e or 0x1f for Teles S0/16!\n",
289 isic_detach_common(dev);
295 if(!(sc->sc_resources.irq =
296 bus_alloc_resource(dev, SYS_RES_IRQ,
297 &sc->sc_resources.irq_rid,
298 0ul, ~0ul, 1, RF_ACTIVE)))
300 kprintf("isic%d: Could not allocate irq for Teles S0/16.\n", unit);
301 isic_detach_common(dev);
305 /* register interupt routine */
307 bus_setup_intr(dev, sc->sc_resources.irq,
308 0, (void(*)(void *))(isicintr),
311 /* get the irq number */
313 sc->sc_irq = rman_get_start(sc->sc_resources.irq);
315 /* check IRQ validity */
317 if((intr_no[sc->sc_irq]) == 1)
319 kprintf("isic%d: Error, invalid IRQ [%d] specified for Teles S0/16!\n",
321 isic_detach_common(dev);
328 /*---------------------------------------------------------------------------*
329 * isic_attach_s016 - attach Teles S0/16 and compatibles
330 *---------------------------------------------------------------------------*/
332 isic_attach_s016(device_t dev)
334 struct l1_softc *sc = &l1_sc[device_get_unit(dev)];
337 bus_space_tag_t ta = rman_get_bustag(sc->sc_resources.mem);
338 bus_space_handle_t ha = rman_get_bushandle(sc->sc_resources.mem);
339 bus_space_tag_t tb = rman_get_bustag(sc->sc_resources.io_base[0]);
340 bus_space_handle_t hb = rman_get_bushandle(sc->sc_resources.io_base[0]);
342 /* is this right for FreeBSD or off by one ? */
343 irq = intr_no[sc->sc_irq];
347 irq |= ((u_long) sc->sc_vmem_addr) >> 9;
349 DELAY(SEC_DELAY / 10);
350 bus_space_write_1(tb, hb, 4, irq);
352 DELAY(SEC_DELAY / 10);
353 bus_space_write_1(tb, hb, 4, irq | 0x01);
355 DELAY(SEC_DELAY / 5);
357 /* set card bit off */
359 bus_space_write_1(ta, ha, 0x80, 0);
360 DELAY(SEC_DELAY / 5);
362 /* set card bit on */
364 bus_space_write_1(ta, ha, 0x80, 1);
365 DELAY(SEC_DELAY / 5);
369 #endif /* ISIC > 0 */