2 * Copyright (c) 2002-2004 M. Warner Losh.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * Driver for ISA to PCMCIA bridges compliant with the Intel ExCA
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/systm.h>
38 #include <sys/condvar.h>
39 #include <sys/errno.h>
40 #include <sys/kernel.h>
42 #include <sys/malloc.h>
43 #include <sys/module.h>
44 #include <sys/mutex.h>
45 #include <sys/sysctl.h>
46 #include <sys/kthread.h>
48 #include <machine/bus.h>
50 #include <machine/resource.h>
52 #include <isa/isavar.h>
54 #include <dev/pci/pcivar.h>
55 #include <dev/pci/pcib_private.h>
57 #include <dev/pccard/pccardreg.h>
58 #include <dev/pccard/pccardvar.h>
60 #include <dev/exca/excareg.h>
61 #include <dev/exca/excavar.h>
63 #include <dev/pccbb/pccbbreg.h>
64 #include <dev/pccbb/pccbbvar.h>
69 /*****************************************************************************
70 * Configurable parameters.
71 *****************************************************************************/
74 static SYSCTL_NODE(_hw, OID_AUTO, pcic, CTLFLAG_RD, 0, "PCIC parameters");
76 static int isa_intr_mask = EXCA_INT_MASK_ALLOWED;
77 SYSCTL_INT(_hw_pcic, OID_AUTO, intr_mask, CTLFLAG_RDTUN, &isa_intr_mask, 0,
78 "Mask of allowable interrupts for this laptop. The default is generally\n\
79 correct, but some laptops do not route all the IRQ pins to the bridge to\n\
80 save wires. Sometimes you need a more restrictive mask because some of the\n\
81 hardware in your laptop may not have a driver so its IRQ might not be\n\
85 * CL-PD6722's VSENSE method
86 * 0: NO VSENSE (assume a 5.0V card always)
87 * 1: 6710's method (default)
90 int pcic_pd6722_vsense = 1;
91 SYSCTL_INT(_hw_pcic, OID_AUTO, pd6722_vsense, CTLFLAG_RDTUN,
92 &pcic_pd6722_vsense, 1,
93 "Select CL-PD6722's VSENSE method. VSENSE is used to determine the\n\
94 volatage of inserted cards. The CL-PD6722 has two methods to determine the\n\
95 voltage of the card. 0 means assume a 5.0V card and do not check. 1 means\n\
96 use the same method that the CL-PD6710 uses (default). 2 means use the\n\
97 same method as the CL-PD6729. 2 is documented in the datasheet as being\n\
98 the correct way, but 1 seems to give better results on more laptops.");
100 /*****************************************************************************
101 * End of configurable parameters.
102 *****************************************************************************/
104 #define DPRINTF(x) do { if (cbb_debug) printf x; } while (0)
105 #define DEVPRINTF(x) do { if (cbb_debug) device_printf x; } while (0)
107 /* XXX Not sure that PNP0E03 should be claimed, except maybe on pc98 */
108 static struct isa_pnp_id pcic_ids[] = {
109 {EXCA_PNP_ACTIONTEC, NULL}, /* AEI0218 */
110 {EXCA_PNP_IBM3765, NULL}, /* IBM3765 */
111 {EXCA_PNP_82365, NULL}, /* PNP0E00 */
112 {EXCA_PNP_CL_PD6720, NULL}, /* PNP0E01 */
113 {EXCA_PNP_VLSI_82C146, NULL}, /* PNP0E02 */
114 {EXCA_PNP_82365_CARDBUS, NULL}, /* PNP0E03 */
115 {EXCA_PNP_SCM_SWAPBOX, NULL}, /* SCM0469 */
119 /************************************************************************/
121 /************************************************************************/
124 cbb_isa_activate(device_t dev)
126 struct cbb_softc *sc = device_get_softc(dev);
127 struct resource *res;
131 /* A little bogus, but go ahead and get the irq for CSC events */
133 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
136 * No IRQ specified, find one. This can be due to the PnP
137 * data not specifying any IRQ, or the default kernel not
140 for (i = 0; i < 16 && res == NULL; i++) {
141 if (((1 << i) & isa_intr_mask) == 0)
143 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, i, i,
151 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
153 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
155 device_printf(dev, "Cannot allocate I/O\n");
158 sc->bst = rman_get_bustag(res);
159 sc->bsh = rman_get_bushandle(res);
165 cbb_isa_deactivate(device_t dev)
167 struct cbb_softc *sc = device_get_softc(dev);
170 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq_res);
173 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->base_res);
178 cbb_isa_probe(device_t dev)
181 struct cbb_softc *sc = device_get_softc(dev);
183 /* Check isapnp ids */
184 error = ISA_PNP_PROBE(device_get_parent(dev), dev, pcic_ids);
185 if (error != 0 && error != ENOENT)
188 error = cbb_isa_activate(dev);
192 /* Check to make sure that we have actual hardware */
193 error = exca_probe_slots(dev, &sc->exca[0], sc->bst, sc->bsh);
194 cbb_isa_deactivate(dev);
199 cbb_isa_attach(device_t dev)
205 cbb_isa_suspend(device_t dev)
211 cbb_isa_resume(device_t dev)
216 static device_method_t cbb_methods[] = {
217 /* Device interface */
218 DEVMETHOD(device_probe, cbb_isa_probe),
219 DEVMETHOD(device_attach, cbb_isa_attach),
220 DEVMETHOD(device_detach, cbb_detach),
221 DEVMETHOD(device_suspend, cbb_isa_suspend),
222 DEVMETHOD(device_resume, cbb_isa_resume),
225 DEVMETHOD(bus_read_ivar, cbb_read_ivar),
226 DEVMETHOD(bus_write_ivar, cbb_write_ivar),
227 DEVMETHOD(bus_alloc_resource, cbb_alloc_resource),
228 DEVMETHOD(bus_release_resource, cbb_release_resource),
229 DEVMETHOD(bus_activate_resource, cbb_activate_resource),
230 DEVMETHOD(bus_deactivate_resource, cbb_deactivate_resource),
231 DEVMETHOD(bus_driver_added, cbb_driver_added),
232 DEVMETHOD(bus_child_detached, cbb_child_detached),
233 DEVMETHOD(bus_setup_intr, cbb_setup_intr),
234 DEVMETHOD(bus_teardown_intr, cbb_teardown_intr),
235 DEVMETHOD(bus_child_present, cbb_child_present),
237 /* 16-bit card interface */
238 DEVMETHOD(card_set_res_flags, cbb_pcic_set_res_flags),
239 DEVMETHOD(card_set_memory_offset, cbb_pcic_set_memory_offset),
241 /* power interface */
242 DEVMETHOD(power_enable_socket, cbb_power_enable_socket),
243 DEVMETHOD(power_disable_socket, cbb_power_disable_socket),
248 static driver_t cbb_isa_driver = {
251 sizeof(struct cbb_softc)
254 DRIVER_MODULE(cbb, isa, cbb_isa_driver, cbb_devclass, 0, 0);
255 MODULE_DEPEND(cbb, exca, 1, 1, 1);