2 * Copyright (c) 1996 Andrew Gordon. All rights reserved.
4 * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
33 *---------------------------------------------------------------------------
35 * i4b_avm_a1.c - AVM A1/Fritz passive card driver for isdn4bsd
36 * ------------------------------------------------------------
38 * $FreeBSD: src/sys/i4b/layer1/isic/i4b_avm_a1.c,v 1.5.2.1 2001/08/10 14:08:38 obrien Exp $
40 * last edit-date: [Wed Jan 24 09:25:23 2001]
42 *---------------------------------------------------------------------------*/
47 #if NISIC > 0 && defined(AVM_A1)
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/socket.h>
54 #include <machine/i4b_ioctl.h>
55 #include <machine/i4b_trace.h>
57 #include <i4b/layer1/i4b_l1.h>
58 #include <i4b/layer1/isic/i4b_isic.h>
59 #include <i4b/layer1/isic/i4b_hscx.h>
61 /*---------------------------------------------------------------------------*
62 * AVM A1 and AVM Fritz! Card special registers
63 *---------------------------------------------------------------------------*/
65 #define AVM_CONF_REG 0x1800 /* base offset for config register */
66 #define AVM_CONF_IRQ 0x1801 /* base offset for IRQ register */
67 /* config register write */
68 #define AVM_CONF_WR_RESET 0x01 /* 1 = RESET ISAC and HSCX */
69 #define AVM_CONF_WR_CCL 0x02 /* 1 = clear counter low nibble */
70 #define AVM_CONF_WR_CCH 0x04 /* 1 = clear counter high nibble */
71 #define AVM_CONF_WR_IRQEN 0x08 /* 1 = enable IRQ */
72 #define AVM_CONF_WR_TEST 0x10 /* test bit */
73 /* config register read */
74 #define AVM_CONF_RD_IIRQ 0x01 /* 0 = ISAC IRQ active */
75 #define AVM_CONF_RD_HIRQ 0x02 /* 0 = HSCX IRQ active */
76 #define AVM_CONF_RD_CIRQ 0x04 /* 0 = counter IRQ active */
77 #define AVM_CONF_RD_ZER1 0x08 /* unused, always read 0 */
78 #define AVM_CONF_RD_TEST 0x10 /* test bit read back */
79 #define AVM_CONF_RD_ZER2 0x20 /* unused, always read 0 */
81 #define AVM_ISAC_R_OFFS (0x1400-0x20)
82 #define AVM_HSCXA_R_OFFS (0x400-0x20)
83 #define AVM_HSCXB_R_OFFS (0xc00-0x20)
84 #define AVM_ISAC_F_OFFS (0x1400-0x20-0x3e0)
85 #define AVM_HSCXA_F_OFFS (0x400-0x20-0x3e0)
86 #define AVM_HSCXB_F_OFFS (0xc00-0x20-0x3e0)
88 /*---------------------------------------------------------------------------*
89 * AVM read fifo routine
90 *---------------------------------------------------------------------------*/
92 avma1_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
94 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+4]);
95 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+4]);
96 bus_space_read_multi_1(t, h, 0, buf, size);
99 /*---------------------------------------------------------------------------*
100 * AVM write fifo routine
101 *---------------------------------------------------------------------------*/
103 avma1_write_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
105 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+4]);
106 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+4]);
107 bus_space_write_multi_1(t, h, 0, (u_int8_t*)buf, size);
110 /*---------------------------------------------------------------------------*
111 * AVM write register routine
112 *---------------------------------------------------------------------------*/
114 avma1_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
116 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
117 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
118 bus_space_write_1(t, h, offs, data);
121 /*---------------------------------------------------------------------------*
122 * AVM read register routine
123 *---------------------------------------------------------------------------*/
125 avma1_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
127 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
128 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
129 return bus_space_read_1(t, h, offs);
132 /*---------------------------------------------------------------------------*
133 * allocate an io port
134 *---------------------------------------------------------------------------*/
136 isic_alloc_port(device_t dev, int rid, u_int base, u_int len)
138 size_t unit = device_get_unit(dev);
139 struct l1_softc *sc = &l1_sc[unit];
141 sc->sc_resources.io_rid[rid] = rid;
143 bus_set_resource(dev, SYS_RES_IOPORT, rid, base, len);
145 if(!(sc->sc_resources.io_base[rid] =
146 bus_alloc_resource(dev, SYS_RES_IOPORT,
147 &sc->sc_resources.io_rid[rid],
148 0ul, ~0ul, 1, RF_ACTIVE)))
150 printf("isic%d: Error, failed to reserve io #%d!\n", unit, rid);
151 isic_detach_common(dev);
157 /*---------------------------------------------------------------------------*
158 * isic_probe_avma1 - probe for AVM A1 and compatibles
159 *---------------------------------------------------------------------------*/
161 isic_probe_avma1(device_t dev)
163 size_t unit = device_get_unit(dev); /* get unit */
164 struct l1_softc *sc = 0; /* pointer to softc */
165 void *ih = 0; /* dummy */
166 bus_space_tag_t t; /* bus things */
167 bus_space_handle_t h;
171 /* check max unit range */
173 if(unit >= ISIC_MAXUNIT)
175 printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for AVM A1/Fritz!\n",
180 sc = &l1_sc[unit]; /* get pointer to softc */
181 sc->sc_unit = unit; /* set unit */
183 /* see if an io base was supplied */
185 if(!(sc->sc_resources.io_base[0] =
186 bus_alloc_resource(dev, SYS_RES_IOPORT,
187 &sc->sc_resources.io_rid[0],
188 0ul, ~0ul, 1, RF_ACTIVE)))
190 printf("isic%d: Could not get iobase for AVM A1/Fritz!\n",
197 sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]);
199 /* release io base */
201 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[0],
202 sc->sc_resources.io_base[0]);
213 printf("isic%d: Error, invalid iobase 0x%x specified for AVM A1/Fritz!\n",
219 if(isic_alloc_port(dev, 0, sc->sc_port+AVM_CONF_REG, 0x20))
222 if(isic_alloc_port(dev, 1, sc->sc_port+AVM_ISAC_R_OFFS, 0x20))
225 if(isic_alloc_port(dev, 2, sc->sc_port+AVM_HSCXA_R_OFFS, 0x20))
228 if(isic_alloc_port(dev, 3, sc->sc_port+AVM_HSCXB_R_OFFS, 0x20))
231 if(isic_alloc_port(dev, 4, sc->sc_port+AVM_ISAC_F_OFFS, 0x20))
234 if(isic_alloc_port(dev, 5, sc->sc_port+AVM_HSCXA_F_OFFS, 0x20))
237 if(isic_alloc_port(dev, 6, sc->sc_port+AVM_HSCXB_F_OFFS, 0x20))
242 if(!(sc->sc_resources.irq =
243 bus_alloc_resource(dev, SYS_RES_IRQ,
244 &sc->sc_resources.irq_rid,
245 0ul, ~0ul, 1, RF_ACTIVE)))
247 printf("isic%d: Could not get an irq for AVM A1/Fritz!\n",unit);
248 isic_detach_common(dev);
252 /* get the irq number */
253 sc->sc_irq = rman_get_start(sc->sc_resources.irq);
255 /* register interupt routine */
256 bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
257 (void(*)(void *))(isicintr),
260 /* check IRQ validity */
279 printf("isic%d: Error, invalid IRQ [%d] specified for AVM A1/Fritz!\n",
281 isic_detach_common(dev);
287 sc->readreg = avma1_read_reg;
288 sc->writereg = avma1_write_reg;
290 sc->readfifo = avma1_read_fifo;
291 sc->writefifo = avma1_write_fifo;
293 /* setup card type */
295 sc->sc_cardtyp = CARD_TYPEP_AVMA1;
297 /* setup IOM bus type */
299 sc->sc_bustyp = BUS_TYPE_IOM2;
302 sc->sc_bfifolen = HSCX_FIFO_LEN;
305 * Read HSCX A/B VSTR.
306 * Expected value for AVM A1 is 0x04 or 0x05 and for the
307 * AVM Fritz!Card is 0x05 in the least significant bits.
310 if( (((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) &&
311 ((HSCX_READ(0, H_VSTR) & 0xf) != 0x4)) ||
312 (((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) &&
313 ((HSCX_READ(1, H_VSTR) & 0xf) != 0x4)) )
315 printf("isic%d: HSCX VSTR test failed for AVM A1/Fritz\n",
317 printf("isic%d: HSC0: VSTR: %#x\n",
318 unit, HSCX_READ(0, H_VSTR));
319 printf("isic%d: HSC1: VSTR: %#x\n",
320 unit, HSCX_READ(1, H_VSTR));
324 /* AVM A1 or Fritz! control register bits: */
326 /* 0x01 hscx irq* RESET */
327 /* 0x02 isac irq* clear counter1 */
328 /* 0x04 counter irq* clear counter2 */
329 /* 0x08 always 0 irq enable */
330 /* 0x10 read test bit set test bit */
331 /* 0x20 always 0 unused */
334 * XXX the following test may be destructive, to prevent the
335 * worst case, we save the byte first, and in case the test
336 * fails, we write back the saved byte .....
339 t = rman_get_bustag(sc->sc_resources.io_base[0]);
340 h = rman_get_bushandle(sc->sc_resources.io_base[0]);
342 savebyte = bus_space_read_1(t, h, 0);
344 /* write low to test bit */
346 bus_space_write_1(t, h, 0, 0x00);
348 /* test bit and next higher and lower bit must be 0 */
350 if((byte = bus_space_read_1(t, h, 0) & 0x38) != 0x00)
352 printf("isic%d: Error, probe-1 failed, 0x%02x should be 0x00 for AVM A1/Fritz!\n",
354 bus_space_write_1(t, h, 0, savebyte);
358 /* write high to test bit */
360 bus_space_write_1(t, h, 0, 0x10);
362 /* test bit must be high, next higher and lower bit must be 0 */
364 if((byte = bus_space_read_1(t, h, 0) & 0x38) != 0x10)
366 printf("isic%d: Error, probe-2 failed, 0x%02x should be 0x10 for AVM A1/Fritz!\n",
368 bus_space_write_1(t, h, 0, savebyte);
374 /*---------------------------------------------------------------------------*
375 * isic_attach_avma1 - attach AVM A1 and compatibles
376 *---------------------------------------------------------------------------*/
378 isic_attach_avma1(device_t dev)
380 size_t unit = device_get_unit(dev);
381 struct l1_softc *sc = &l1_sc[unit];
382 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
383 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
385 /* reset ISAC/HSCX */
387 bus_space_write_1(t, h, 0, 0x00);
388 DELAY(SEC_DELAY / 10);
390 bus_space_write_1(t, h, 0, AVM_CONF_WR_RESET);
391 DELAY(SEC_DELAY / 10);
393 bus_space_write_1(t, h, 0, 0x00);
394 DELAY(SEC_DELAY / 10);
398 bus_space_write_1(t, h, 1, sc->sc_irq);
399 DELAY(SEC_DELAY / 10);
401 /* enable IRQ, disable counter IRQ */
403 bus_space_write_1(t, h, 0, AVM_CONF_WR_IRQEN |
404 AVM_CONF_WR_CCH | AVM_CONF_WR_CCL);
405 DELAY(SEC_DELAY / 10);
410 #endif /* NISIC > 0 && defined(AVM_A1) */