2 * Copyright (c) 1996 Andrew Gordon. All rights reserved.
4 * Copyright (c) 1997, 1999 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 * $Id: i4b_avm_a1.c,v 1.2 1999/12/13 21:25:26 hm Exp $
42 * last edit-date: [Mon Dec 13 21:58:36 1999]
44 *---------------------------------------------------------------------------*/
49 #if NISIC > 0 && defined(AVM_A1)
51 #include <sys/param.h>
52 #include <sys/systm.h>
54 #include <sys/socket.h>
58 #include <machine/clock.h>
60 #include <machine/i4b_debug.h>
61 #include <machine/i4b_ioctl.h>
63 #include <i4b/include/i4b_global.h>
65 #include <i4b/layer1/i4b_l1.h>
66 #include <i4b/layer1/i4b_isac.h>
67 #include <i4b/layer1/i4b_hscx.h>
69 /*---------------------------------------------------------------------------*
70 * AVM A1 and AVM Fritz! Card special registers
71 *---------------------------------------------------------------------------*/
73 #define AVM_CONF_REG 0x1800 /* base offset for config register */
74 #define AVM_CONF_IRQ 0x1801 /* base offset for IRQ register */
75 /* config register write */
76 #define AVM_CONF_WR_RESET 0x01 /* 1 = RESET ISAC and HSCX */
77 #define AVM_CONF_WR_CCL 0x02 /* 1 = clear counter low nibble */
78 #define AVM_CONF_WR_CCH 0x04 /* 1 = clear counter high nibble */
79 #define AVM_CONF_WR_IRQEN 0x08 /* 1 = enable IRQ */
80 #define AVM_CONF_WR_TEST 0x10 /* test bit */
81 /* config register read */
82 #define AVM_CONF_RD_IIRQ 0x01 /* 0 = ISAC IRQ active */
83 #define AVM_CONF_RD_HIRQ 0x02 /* 0 = HSCX IRQ active */
84 #define AVM_CONF_RD_CIRQ 0x04 /* 0 = counter IRQ active */
85 #define AVM_CONF_RD_ZER1 0x08 /* unused, always read 0 */
86 #define AVM_CONF_RD_TEST 0x10 /* test bit read back */
87 #define AVM_CONF_RD_ZER2 0x20 /* unused, always read 0 */
89 #define AVM_ISAC_R_OFFS (0x1400-0x20)
90 #define AVM_HSCXA_R_OFFS (0x400-0x20)
91 #define AVM_HSCXB_R_OFFS (0xc00-0x20)
92 #define AVM_ISAC_F_OFFS (0x1400-0x20-0x3e0)
93 #define AVM_HSCXA_F_OFFS (0x400-0x20-0x3e0)
94 #define AVM_HSCXB_F_OFFS (0xc00-0x20-0x3e0)
96 /*---------------------------------------------------------------------------*
97 * AVM read fifo routine
98 *---------------------------------------------------------------------------*/
100 avma1_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
102 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+4]);
103 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+4]);
104 bus_space_read_multi_1(t, h, 0, buf, size);
107 /*---------------------------------------------------------------------------*
108 * AVM write fifo routine
109 *---------------------------------------------------------------------------*/
111 avma1_write_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
113 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+4]);
114 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+4]);
115 bus_space_write_multi_1(t, h, 0, (u_int8_t*)buf, size);
118 /*---------------------------------------------------------------------------*
119 * AVM write register routine
120 *---------------------------------------------------------------------------*/
122 avma1_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
124 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
125 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
126 bus_space_write_1(t, h, offs, data);
129 /*---------------------------------------------------------------------------*
130 * AVM read register routine
131 *---------------------------------------------------------------------------*/
133 avma1_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
135 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
136 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
137 return bus_space_read_1(t, h, offs);
140 /*---------------------------------------------------------------------------*
141 * allocate an io port
142 *---------------------------------------------------------------------------*/
144 isic_alloc_port(device_t dev, int rid, u_int base, u_int len)
146 size_t unit = device_get_unit(dev);
147 struct l1_softc *sc = &l1_sc[unit];
149 sc->sc_resources.io_rid[rid] = rid;
151 bus_set_resource(dev, SYS_RES_IOPORT, rid, base, len);
153 if(!(sc->sc_resources.io_base[rid] =
154 bus_alloc_resource(dev, SYS_RES_IOPORT,
155 &sc->sc_resources.io_rid[rid],
156 0ul, ~0ul, 1, RF_ACTIVE)))
158 printf("isic%d: Error, failed to reserve io #%d!\n", unit, rid);
159 isic_detach_common(dev);
165 /*---------------------------------------------------------------------------*
166 * isic_probe_avma1 - probe for AVM A1 and compatibles
167 *---------------------------------------------------------------------------*/
169 isic_probe_avma1(device_t dev)
171 size_t unit = device_get_unit(dev); /* get unit */
172 struct l1_softc *sc = 0; /* pointer to softc */
173 void *ih = 0; /* dummy */
174 bus_space_tag_t t; /* bus things */
175 bus_space_handle_t h;
179 /* check max unit range */
181 if(unit >= ISIC_MAXUNIT)
183 printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for AVM A1/Fritz!\n",
188 sc = &l1_sc[unit]; /* get pointer to softc */
189 sc->sc_unit = unit; /* set unit */
190 sc->sc_flags = FLAG_AVM_A1; /* set flags */
192 /* see if an io base was supplied */
194 if(!(sc->sc_resources.io_base[0] =
195 bus_alloc_resource(dev, SYS_RES_IOPORT,
196 &sc->sc_resources.io_rid[0],
197 0ul, ~0ul, 1, RF_ACTIVE)))
199 printf("isic%d: Could not get iobase for AVM A1/Fritz!\n",
206 sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]);
208 /* release io base */
210 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[0],
211 sc->sc_resources.io_base[0]);
222 printf("isic%d: Error, invalid iobase 0x%x specified for AVM A1/Fritz!\n",
228 if(isic_alloc_port(dev, 0, sc->sc_port+AVM_CONF_REG, 0x20))
231 if(isic_alloc_port(dev, 1, sc->sc_port+AVM_ISAC_R_OFFS, 0x20))
234 if(isic_alloc_port(dev, 2, sc->sc_port+AVM_HSCXA_R_OFFS, 0x20))
237 if(isic_alloc_port(dev, 3, sc->sc_port+AVM_HSCXB_R_OFFS, 0x20))
240 if(isic_alloc_port(dev, 4, sc->sc_port+AVM_ISAC_F_OFFS, 0x20))
243 if(isic_alloc_port(dev, 5, sc->sc_port+AVM_HSCXA_F_OFFS, 0x20))
246 if(isic_alloc_port(dev, 6, sc->sc_port+AVM_HSCXB_F_OFFS, 0x20))
251 if(!(sc->sc_resources.irq =
252 bus_alloc_resource(dev, SYS_RES_IRQ,
253 &sc->sc_resources.irq_rid,
254 0ul, ~0ul, 1, RF_ACTIVE)))
256 printf("isic%d: Could not get an irq for AVM A1/Fritz!\n",unit);
257 isic_detach_common(dev);
261 /* get the irq number */
262 sc->sc_irq = rman_get_start(sc->sc_resources.irq);
264 /* register interupt routine */
265 bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
266 (void(*)(void *))(isicintr),
269 /* check IRQ validity */
288 printf("isic%d: Error, invalid IRQ [%d] specified for AVM A1/Fritz!\n",
290 isic_detach_common(dev);
296 sc->readreg = avma1_read_reg;
297 sc->writereg = avma1_write_reg;
299 sc->readfifo = avma1_read_fifo;
300 sc->writefifo = avma1_write_fifo;
302 /* setup card type */
304 sc->sc_cardtyp = CARD_TYPEP_AVMA1;
306 /* setup IOM bus type */
308 sc->sc_bustyp = BUS_TYPE_IOM2;
311 sc->sc_bfifolen = HSCX_FIFO_LEN;
314 * Read HSCX A/B VSTR.
315 * Expected value for AVM A1 is 0x04 or 0x05 and for the
316 * AVM Fritz!Card is 0x05 in the least significant bits.
319 if( (((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) &&
320 ((HSCX_READ(0, H_VSTR) & 0xf) != 0x4)) ||
321 (((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) &&
322 ((HSCX_READ(1, H_VSTR) & 0xf) != 0x4)) )
324 printf("isic%d: HSCX VSTR test failed for AVM A1/Fritz\n",
326 printf("isic%d: HSC0: VSTR: %#x\n",
327 unit, HSCX_READ(0, H_VSTR));
328 printf("isic%d: HSC1: VSTR: %#x\n",
329 unit, HSCX_READ(1, H_VSTR));
333 /* AVM A1 or Fritz! control register bits: */
335 /* 0x01 hscx irq* RESET */
336 /* 0x02 isac irq* clear counter1 */
337 /* 0x04 counter irq* clear counter2 */
338 /* 0x08 always 0 irq enable */
339 /* 0x10 read test bit set test bit */
340 /* 0x20 always 0 unused */
343 * XXX the following test may be destructive, to prevent the
344 * worst case, we save the byte first, and in case the test
345 * fails, we write back the saved byte .....
348 t = rman_get_bustag(sc->sc_resources.io_base[0]);
349 h = rman_get_bushandle(sc->sc_resources.io_base[0]);
351 savebyte = bus_space_read_1(t, h, 0);
353 /* write low to test bit */
355 bus_space_write_1(t, h, 0, 0x00);
357 /* test bit and next higher and lower bit must be 0 */
359 if((byte = bus_space_read_1(t, h, 0) & 0x38) != 0x00)
361 printf("isic%d: Error, probe-1 failed, 0x%02x should be 0x00 for AVM A1/Fritz!\n",
363 bus_space_write_1(t, h, 0, savebyte);
367 /* write high to test bit */
369 bus_space_write_1(t, h, 0, 0x10);
371 /* test bit must be high, next higher and lower bit must be 0 */
373 if((byte = bus_space_read_1(t, h, 0) & 0x38) != 0x10)
375 printf("isic%d: Error, probe-2 failed, 0x%02x should be 0x10 for AVM A1/Fritz!\n",
377 bus_space_write_1(t, h, 0, savebyte);
383 /*---------------------------------------------------------------------------*
384 * isic_attach_avma1 - attach AVM A1 and compatibles
385 *---------------------------------------------------------------------------*/
387 isic_attach_avma1(device_t dev)
389 size_t unit = device_get_unit(dev);
390 struct l1_softc *sc = &l1_sc[unit];
391 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
392 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
394 /* reset ISAC/HSCX */
396 bus_space_write_1(t, h, 0, 0x00);
397 DELAY(SEC_DELAY / 10);
399 bus_space_write_1(t, h, 0, AVM_CONF_WR_RESET);
400 DELAY(SEC_DELAY / 10);
402 bus_space_write_1(t, h, 0, 0x00);
403 DELAY(SEC_DELAY / 10);
407 bus_space_write_1(t, h, 1, sc->sc_irq);
408 DELAY(SEC_DELAY / 10);
410 /* enable IRQ, disable counter IRQ */
412 bus_space_write_1(t, h, 0, AVM_CONF_WR_IRQEN |
413 AVM_CONF_WR_CCH | AVM_CONF_WR_CCL);
414 DELAY(SEC_DELAY / 10);
419 #endif /* NISIC > 0 && defined(AVM_A1) */