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 1.13.2.1 2000/05/23 03:57:02 imp Exp $ */
6 * Copyright (c) 1998 Bill Sommerfeld. All rights reserved.
7 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * 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. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Marc Horowitz.
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/malloc.h>
38 #include <sys/module.h>
39 #include <sys/kernel.h>
40 #include <sys/queue.h>
41 #include <sys/types.h>
44 #include <machine/bus.h>
46 #include <machine/resource.h>
48 #include <isa/isavar.h>
50 #include <dev/pccard/pccardreg.h>
51 #include <dev/pccard/pccardvar.h>
53 #include <dev/pcic/i82365reg.h>
54 #include <dev/pcic/i82365var.h>
59 /*****************************************************************************
60 * Configurable parameters.
61 *****************************************************************************/
64 #include "opt_pcic_isa_alloc_iobase.h"
65 #include "opt_pcic_isa_alloc_iosize.h"
66 #include "opt_pcic_isa_intr_alloc_mask.h"
70 * Default I/O allocation range. If both are set to non-zero, these
71 * values will be used instead. Otherwise, the code attempts to probe
72 * the bus width. Systems with 10 address bits should use 0x300 and 0xff.
73 * Systems with 12 address bits (most) should use 0x400 and 0xbff.
76 #ifndef PCIC_ISA_ALLOC_IOBASE
77 #define PCIC_ISA_ALLOC_IOBASE 0
80 #ifndef PCIC_ISA_ALLOC_IOSIZE
81 #define PCIC_ISA_ALLOC_IOSIZE 0
84 int pcic_isa_alloc_iobase = PCIC_ISA_ALLOC_IOBASE;
85 int pcic_isa_alloc_iosize = PCIC_ISA_ALLOC_IOSIZE;
89 * Default IRQ allocation bitmask. This defines the range of allowable
90 * IRQs for PCCARD slots. Useful if order of probing would screw up other
91 * devices, or if PCIC hardware/cards have trouble with certain interrupt
94 * We disable IRQ 10 by default, since some common laptops (namely, the
95 * NEC Versa series) reserve IRQ 10 for the docking station SCSI interface.
98 #ifndef PCIC_ISA_INTR_ALLOC_MASK
99 #define PCIC_ISA_INTR_ALLOC_MASK 0xfbff
102 int pcic_isa_intr_alloc_mask = PCIC_ISA_INTR_ALLOC_MASK;
104 /*****************************************************************************
105 * End of configurable parameters.
106 *****************************************************************************/
109 int pcicisa_debug = 0 /* XXX */ ;
110 #define DPRINTF(arg) if (pcicisa_debug) printf arg;
111 #define DEVPRINTF(arg) if (pcicisa_debug) device_printf arg;
114 #define DEVPRINTF(arg)
117 static struct isa_pnp_id pcic_ids[] = {
118 {PCIC_PNP_82365, NULL}, /* PNP0E00 */
119 {PCIC_PNP_CL_PD6720, NULL}, /* PNP0E01 */
120 {PCIC_PNP_VLSI_82C146, NULL}, /* PNP0E02 */
121 {PCIC_PNP_82365_CARDBUS, NULL}, /* PNP0E03 */
126 pcic_isa_bus_width_probe (device_t dev)
128 struct pcic_softc *sc = (struct pcic_softc *)
129 device_get_softc(dev);
130 bus_space_handle_t ioh_high;
131 int i, iobuswidth, tmp1, tmp2;
136 bus_space_handle_t ioh;
139 base = rman_get_start(sc->port_res);
140 length = rman_get_end(sc->port_res) - rman_get_end(sc->port_res) + 1;
145 * figure out how wide the isa bus is. Do this by checking if the
146 * pcic controller is mirrored 0x400 above where we expect it to be.
151 r = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, base + 0x400,
152 base + 0x400 + length, length, RF_ACTIVE);
154 printf("Can't allocated mirror area for pcic bus width probe\n");
157 ioh_high = rman_get_bushandle(r);
158 for (i = 0; i < PCIC_NSLOTS; i++) {
159 if (sc->handle[i].flags & PCIC_FLAG_SOCKETP) {
161 * read the ident flags from the normal space and
162 * from the mirror, and compare them
165 bus_space_write_1(iot, ioh, PCIC_REG_INDEX,
166 sc->handle[i].sock + PCIC_IDENT);
167 tmp1 = bus_space_read_1(iot, ioh, PCIC_REG_DATA);
169 bus_space_write_1(iot, ioh_high, PCIC_REG_INDEX,
170 sc->handle[i].sock + PCIC_IDENT);
171 tmp2 = bus_space_read_1(iot, ioh_high, PCIC_REG_DATA);
177 bus_release_resource(dev, SYS_RES_IOPORT, rid, r);
180 * XXX mycroft recommends I/O space range 0x400-0xfff . I should put
181 * this in a header somewhere
185 * XXX some hardware doesn't seem to grok addresses in 0x400 range--
186 * apparently missing a bit or more of address lines. (e.g.
187 * CIRRUS_PD672X with Linksys EthernetCard ne2000 clone in TI
188 * TravelMate 5000--not clear which is at fault)
190 * Add a kludge to detect 10 bit wide buses and deal with them,
191 * and also a config file option to override the probe.
194 if (iobuswidth == 10) {
200 * This is what we'd like to use, but...
206 * ...the above bus width probe doesn't always work.
207 * So, experimentation has shown the following range
208 * to not lose on systems that 0x300-0x3ff loses on
209 * (e.g. the NEC Versa 6030X).
216 DEVPRINTF((dev, "bus_space_alloc range 0x%04lx-0x%04lx (probed)\n",
217 (long) sc->iobase, (long) sc->iobase + sc->iosize));
219 if (pcic_isa_alloc_iobase && pcic_isa_alloc_iosize) {
220 sc->iobase = pcic_isa_alloc_iobase;
221 sc->iosize = pcic_isa_alloc_iosize;
223 DEVPRINTF((dev, "bus_space_alloc range 0x%04lx-0x%04lx "
224 "(config override)\n", (long) sc->iobase,
225 (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);
277 pcic_isa_identify(driver_t *driver, device_t parent)
280 u_int16_t ioaddrs[] = { 0x3e0, 0x3e2, 0x3e4, 0x3e6, 0 };
284 for (i = 0; ioaddrs[i]; i++) {
286 if (pcic_isa_check(parent, ioaddr)) {
287 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE,
289 device_set_driver(child, driver);
291 bus_set_resource(child, SYS_RES_IRQ, 0, 10, 1);
292 bus_set_resource(child, SYS_RES_MEMORY, 0, 0xd0000, 1 << 12);
293 bus_set_resource(child, SYS_RES_IOPORT, 0, ioaddr,
300 pcic_isa_probe(device_t dev)
304 /* Check isapnp ids */
305 error = ISA_PNP_PROBE(device_get_parent(dev), dev, pcic_ids);
309 /* If we had some other problem. */
310 if (!(error == 0 || error == ENOENT)) {
314 /* If we have the resources we need then we're good to go. */
315 if ((bus_get_resource_start(dev, SYS_RES_IOPORT, 0) != 0) &&
316 (bus_get_resource_start(dev, SYS_RES_IRQ, 0) != 0)) {
324 pcic_isa_attach(device_t dev)
328 if ((err = pcic_attach(dev)) == 0)
329 pcic_isa_bus_width_probe (dev);
335 pcic_isa_detach(device_t dev)
340 static device_method_t pcic_isa_methods[] = {
341 /* Device interface */
342 DEVMETHOD(device_identify, pcic_isa_identify),
343 DEVMETHOD(device_probe, pcic_isa_probe),
344 DEVMETHOD(device_attach, pcic_isa_attach),
345 DEVMETHOD(device_detach, pcic_isa_detach),
346 DEVMETHOD(device_shutdown, bus_generic_shutdown),
347 DEVMETHOD(device_suspend, pcic_suspend),
348 DEVMETHOD(device_resume, pcic_resume),
351 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
352 DEVMETHOD(bus_print_child, bus_generic_print_child),
353 DEVMETHOD(bus_alloc_resource, pcic_alloc_resource),
354 DEVMETHOD(bus_release_resource, pcic_release_resource),
355 DEVMETHOD(bus_activate_resource, pcic_activate_resource),
356 DEVMETHOD(bus_deactivate_resource, pcic_deactivate_resource),
357 DEVMETHOD(bus_setup_intr, pcic_setup_intr),
358 DEVMETHOD(bus_teardown_intr, pcic_teardown_intr),
360 /* pccard/cardbus interface */
361 DEVMETHOD(card_set_res_flags, pcic_set_res_flags),
362 DEVMETHOD(card_set_memory_offset, pcic_set_memory_offset),
364 /* Power Interface */
365 DEVMETHOD(power_enable_socket, pcic_enable_socket),
366 DEVMETHOD(power_disable_socket, pcic_disable_socket),
370 static driver_t pcic_driver = {
373 sizeof(struct pcic_softc)
376 static devclass_t pcic_devclass;
378 DRIVER_MODULE(pcic, isa, pcic_driver, pcic_devclass, 0, 0);