1 /* $NetBSD: i82365_isasubr.c,v 1.3 1999/10/15 06:07:27 haya Exp $ */
2 /* $NetBSD: i82365_isa.c,v 1.11 1998/06/09 07:25:00 thorpej Exp $ */
3 /* $FreeBSD: src/sys/dev/pcic/i82365_isa.c,v 1.24 2002/05/30 17:37:46 takawata Exp $ */
4 /* $DragonFly: src/sys/dev/pccard/pcic/Attic/i82365_isa.c,v 1.1 2004/02/10 07:55:47 joerg Exp $ */
7 * Copyright (c) 1998 Bill Sommerfeld. All rights reserved.
8 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Marc Horowitz.
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/malloc.h>
39 #include <sys/module.h>
40 #include <sys/kernel.h>
41 #include <sys/queue.h>
42 #include <sys/types.h>
45 #include <machine/bus.h>
47 #include <machine/resource.h>
49 #include <bus/isa/isavar.h>
51 #include <bus/pccard/pccardreg.h>
52 #include <bus/pccard/pccardvar.h>
54 #include <dev/pccard/pcic/i82365reg.h>
55 #include <dev/pccard/pcic/i82365var.h>
60 /*****************************************************************************
61 * Configurable parameters.
62 *****************************************************************************/
65 * Default I/O allocation range. If both are set to non-zero, these
66 * values will be used instead. Otherwise, the code attempts to probe
67 * the bus width. Systems with 10 address bits should use 0x300 and 0xff.
68 * Systems with 12 address bits (most) should use 0x400 and 0xbff.
71 #ifndef PCIC_ISA_ALLOC_IOBASE
72 #define PCIC_ISA_ALLOC_IOBASE 0
75 #ifndef PCIC_ISA_ALLOC_IOSIZE
76 #define PCIC_ISA_ALLOC_IOSIZE 0
79 int pcic_isa_alloc_iobase = PCIC_ISA_ALLOC_IOBASE;
80 int pcic_isa_alloc_iosize = PCIC_ISA_ALLOC_IOSIZE;
84 * Default IRQ allocation bitmask. This defines the range of allowable
85 * IRQs for PCCARD slots. Useful if order of probing would screw up other
86 * devices, or if PCIC hardware/cards have trouble with certain interrupt
89 * We disable IRQ 10 by default, since some common laptops (namely, the
90 * NEC Versa series) reserve IRQ 10 for the docking station SCSI interface.
93 #ifndef PCIC_ISA_INTR_ALLOC_MASK
94 #define PCIC_ISA_INTR_ALLOC_MASK 0xfbff
97 int pcic_isa_intr_alloc_mask = PCIC_ISA_INTR_ALLOC_MASK;
99 /*****************************************************************************
100 * End of configurable parameters.
101 *****************************************************************************/
103 #define PCICISADEBUG 1
106 int pcicisa_debug = PCICISADEBUG;
107 #define DPRINTF(arg) if (pcicisa_debug) printf arg;
108 #define DEVPRINTF(arg) if (pcicisa_debug) device_printf arg;
111 #define DEVPRINTF(arg)
114 static struct isa_pnp_id pcic_ids[] = {
115 {PCIC_PNP_ACTIONTEC, NULL}, /* AEI0218 */
116 {PCIC_PNP_IBM3765, NULL}, /* IBM3765 */
117 {PCIC_PNP_82365, NULL}, /* PNP0E00 */
118 {PCIC_PNP_CL_PD6720, NULL}, /* PNP0E01 */
119 {PCIC_PNP_VLSI_82C146, NULL}, /* PNP0E02 */
120 {PCIC_PNP_82365_CARDBUS, NULL}, /* PNP0E03 */
121 {PCIC_PNP_SCM_SWAPBOX, NULL}, /* SCM0469 */
126 pcic_isa_bus_width_probe (device_t dev)
128 struct pcic_softc *sc = PCIC_SOFTC(dev);
129 bus_space_handle_t ioh_high;
130 int i, iobuswidth, tmp1, tmp2;
135 bus_space_handle_t ioh;
138 base = rman_get_start(sc->port_res);
139 length = rman_get_size(sc->port_res);
144 * figure out how wide the isa bus is. Do this by checking if the
145 * pcic controller is mirrored 0x400 above where we expect it to be.
150 r = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, base + 0x400,
151 base + 0x400 + length, length, RF_ACTIVE);
153 printf("Can't allocated mirror area for pcic bus width probe\n");
156 ioh_high = rman_get_bushandle(r);
157 for (i = 0; i < PCIC_NSLOTS; i++) {
158 if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) {
160 * read the ident flags from the normal space and
161 * from the mirror, and compare them
164 bus_space_write_1(iot, ioh, PCIC_REG_INDEX,
165 sc->handle[i].sock + PCIC_IDENT);
166 tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
168 bus_space_write_1(iot, ioh_high, PCIC_REG_INDEX,
169 sc->handle[i].sock + PCIC_IDENT);
170 tmp2 = bus_space_read_1(iot, ioh_high, PCIC_REG_DATA);
176 bus_release_resource(dev, SYS_RES_IOPORT, rid, r);
179 * XXX mycroft recommends I/O space range 0x400-0xfff . I should put
180 * this in a header somewhere
184 * XXX some hardware doesn't seem to grok addresses in 0x400 range--
185 * apparently missing a bit or more of address lines. (e.g.
186 * CIRRUS_PD672X with Linksys EthernetCard ne2000 clone in TI
187 * TravelMate 5000--not clear which is at fault)
189 * Add a kludge to detect 10 bit wide buses and deal with them,
190 * and also a config file option to override the probe.
193 if (iobuswidth == 10) {
199 * This is what we'd like to use, but...
205 * ...the above bus width probe doesn't always work.
206 * So, experimentation has shown the following range
207 * to not lose on systems that 0x300-0x3ff loses on
208 * (e.g. the NEC Versa 6030X).
215 DEVPRINTF((dev, "bus_space_alloc range 0x%04lx-0x%04lx (probed)\n",
216 (long) sc->iobase, (long) sc->iobase + sc->iosize));
218 if (pcic_isa_alloc_iobase && pcic_isa_alloc_iosize) {
219 sc->iobase = pcic_isa_alloc_iobase;
220 sc->iosize = pcic_isa_alloc_iosize;
222 DEVPRINTF((dev, "bus_space_alloc range 0x%04lx-0x%04lx "
223 "(config override)\n", (long) sc->iobase,
224 (long) sc->iobase + sc->iosize));
230 pcic_isa_check(device_t dev, u_int16_t addr)
233 bus_space_handle_t ioh;
236 struct resource *res;
239 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, addr, addr,
240 PCIC_IOSIZE, RF_ACTIVE);
243 iot = rman_get_bustag(res);
244 ioh = rman_get_bushandle(res);
248 * this could be done with a loop, but it would violate the
251 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SA + PCIC_IDENT);
252 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
253 if (pcic_ident_ok(val))
256 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C0SB + PCIC_IDENT);
257 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
258 if (pcic_ident_ok(val))
261 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SA + PCIC_IDENT);
262 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
263 if (pcic_ident_ok(val))
266 bus_space_write_1(iot, ioh, PCIC_REG_INDEX, C1SB + PCIC_IDENT);
267 val = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
268 if (pcic_ident_ok(val))
271 bus_release_resource(dev, SYS_RES_IOPORT, rid, res);
278 pcic_isa_probe(device_t dev)
281 struct resource *res;
286 /* Check isapnp ids */
287 error = ISA_PNP_PROBE(device_get_parent(dev), dev, pcic_ids);
291 /* If we had some other problem. */
292 if (!(error == 0 || error == ENOENT))
295 /* If we have the resources we need then we're good to go. */
296 if (bus_get_resource_start(dev, SYS_RES_IOPORT, 0) == 0)
299 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
302 * No IRQ specified, find one. This can be due to the PnP
303 * data not specifying any IRQ
305 for (i = 0; i < 16; i++) {
306 if (((1 << i) & PCIC_INTR_IRQ_VALIDMASK) == 0)
308 res = bus_alloc_resource(dev, SYS_RES_IRQ,
309 &rid, i, i, 1, RF_ACTIVE);
315 mem = rman_get_start(res);
316 bus_release_resource(dev, SYS_RES_IRQ, rid, res);
317 bus_set_resource(dev, SYS_RES_IRQ, 0, i, 1);
319 bus_release_resource(dev, SYS_RES_IRQ, rid, res);
321 /* XXX This might not be needed in future, get it directly from
324 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0, ~0,
328 * We failed to get memory. Since this XXX comment above
329 * indicates that this is transient, we try to get a hunk
330 * of memory in the isa hole. Sure would be nice if there
331 * were some MI constants for this.
333 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
334 0xa0000, 0xdffff, 1 << 13, RF_ACTIVE);
336 mem = rman_get_start(res);
337 bus_release_resource(dev, SYS_RES_MEMORY, rid, res);
338 bus_set_resource(dev, SYS_RES_MEMORY, 0, mem, 1 << 13);
341 bus_release_resource(dev, SYS_RES_MEMORY, rid, res);
344 device_printf(dev, "Cannot allocate mem\n");
351 pcic_isa_attach(device_t dev)
355 if ((err = pcic_attach(dev)) == 0)
356 pcic_isa_bus_width_probe (dev);
361 pcic_isa_detach(device_t dev)
367 static device_method_t pcic_isa_methods[] = {
368 /* Device interface */
369 DEVMETHOD(device_probe, pcic_isa_probe),
370 DEVMETHOD(device_attach, pcic_isa_attach),
371 DEVMETHOD(device_detach, pcic_isa_detach),
372 DEVMETHOD(device_shutdown, bus_generic_shutdown),
373 DEVMETHOD(device_suspend, pcic_suspend),
374 DEVMETHOD(device_resume, pcic_resume),
377 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
378 DEVMETHOD(bus_print_child, bus_generic_print_child),
379 DEVMETHOD(bus_alloc_resource, pcic_alloc_resource),
380 DEVMETHOD(bus_release_resource, pcic_release_resource),
381 DEVMETHOD(bus_activate_resource, pcic_activate_resource),
382 DEVMETHOD(bus_deactivate_resource, pcic_deactivate_resource),
383 DEVMETHOD(bus_setup_intr, pcic_setup_intr),
384 DEVMETHOD(bus_teardown_intr, pcic_teardown_intr),
386 /* pccard/cardbus interface */
387 DEVMETHOD(card_set_res_flags, pcic_set_res_flags),
388 DEVMETHOD(card_set_memory_offset, pcic_set_memory_offset),
390 /* Power Interface */
391 DEVMETHOD(power_enable_socket, pcic_enable_socket),
392 DEVMETHOD(power_disable_socket, pcic_disable_socket),
396 static driver_t pcic_driver = {
399 sizeof(struct pcic_softc)
402 static devclass_t pcic_devclass;
404 DRIVER_MODULE(pcic, isa, pcic_driver, pcic_devclass, 0, 0);
405 MODULE_DEPEND(pcic, pccard, 1, 1, 1);