2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2002-2004 M. Warner Losh <imp@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Driver for ISA to PCMCIA bridges compliant with the Intel ExCA
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/param.h>
37 #include <sys/systm.h>
39 #include <sys/condvar.h>
40 #include <sys/errno.h>
41 #include <sys/kernel.h>
43 #include <sys/malloc.h>
44 #include <sys/module.h>
45 #include <sys/mutex.h>
46 #include <sys/sysctl.h>
47 #include <sys/kthread.h>
49 #include <machine/bus.h>
51 #include <machine/resource.h>
53 #include <isa/isavar.h>
55 #include <dev/pci/pcivar.h>
56 #include <dev/pci/pcib_private.h>
58 #include <dev/pccard/pccardreg.h>
59 #include <dev/pccard/pccardvar.h>
61 #include <dev/exca/excareg.h>
62 #include <dev/exca/excavar.h>
64 #include <dev/pccbb/pccbbreg.h>
65 #include <dev/pccbb/pccbbvar.h>
70 /*****************************************************************************
71 * Configurable parameters.
72 *****************************************************************************/
75 static SYSCTL_NODE(_hw, OID_AUTO, pcic, CTLFLAG_RD, 0, "PCIC parameters");
77 static int isa_intr_mask = EXCA_INT_MASK_ALLOWED;
78 SYSCTL_INT(_hw_pcic, OID_AUTO, intr_mask, CTLFLAG_RDTUN, &isa_intr_mask, 0,
79 "Mask of allowable interrupts for this laptop. The default is generally"
80 " correct, but some laptops do not route all the IRQ pins to the bridge to"
81 " save wires. Sometimes you need a more restrictive mask because some of"
82 " the hardware in your laptop may not have a driver so its IRQ might not be"
86 * CL-PD6722's VSENSE method
87 * 0: NO VSENSE (assume a 5.0V card always)
88 * 1: 6710's method (default)
91 int pcic_pd6722_vsense = 1;
92 SYSCTL_INT(_hw_pcic, OID_AUTO, pd6722_vsense, CTLFLAG_RDTUN,
93 &pcic_pd6722_vsense, 1,
94 "Select CL-PD6722's VSENSE method. VSENSE is used to determine the"
95 " voltage of inserted cards. The CL-PD6722 has two methods to determine"
96 " the voltage of the card. 0 means assume a 5.0V card and do not check. 1"
97 " means use the same method that the CL-PD6710 uses (default). 2 means use"
98 " the same method as the CL-PD6729. 2 is documented in the datasheet as"
99 " being the correct way, but 1 seems to give better results on more"
101 /*****************************************************************************
102 * End of configurable parameters.
103 *****************************************************************************/
105 #define DPRINTF(x) do { if (cbb_debug) printf x; } while (0)
106 #define DEVPRINTF(x) do { if (cbb_debug) device_printf x; } while (0)
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);
256 ISA_PNP_INFO(pcic_ids);