1/* $NetBSD: ohci_cardbus.c,v 1.43 2016/07/14 04:00:45 msaitoh Exp $ */
2
3/*
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (lennart@augustsson.net) at
9 * Carlstedt Research & Technology.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * USB Open Host Controller driver.
35 *
36 * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
37 * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl
38 */
39
40#include <sys/cdefs.h>
41__KERNEL_RCSID(0, "$NetBSD: ohci_cardbus.c,v 1.43 2016/07/14 04:00:45 msaitoh Exp $");
42
43#include "ehci_cardbus.h"
44
45#include <sys/param.h>
46#include <sys/systm.h>
47#include <sys/kernel.h>
48#include <sys/device.h>
49#include <sys/proc.h>
50
51#include <sys/bus.h>
52
53#if defined pciinc
54#include <dev/pci/pcidevs.h>
55#endif
56
57#include <dev/cardbus/cardbusvar.h>
58#include <dev/pci/pcidevs.h>
59
60#include <dev/cardbus/usb_cardbus.h>
61
62#include <dev/usb/usb.h>
63#include <dev/usb/usbdi.h>
64#include <dev/usb/usbdivar.h>
65#include <dev/usb/usb_mem.h>
66
67#include <dev/usb/ohcireg.h>
68#include <dev/usb/ohcivar.h>
69
70int ohci_cardbus_match(device_t, cfdata_t, void *);
71void ohci_cardbus_attach(device_t, device_t, void *);
72int ohci_cardbus_detach(device_t, int);
73
74struct ohci_cardbus_softc {
75 ohci_softc_t sc;
76#if NEHCI_CARDBUS > 0
77 struct usb_cardbus sc_cardbus;
78#endif
79 cardbus_chipset_tag_t sc_cc;
80 cardbus_function_tag_t sc_cf;
81 cardbus_devfunc_t sc_ct;
82 void *sc_ih; /* interrupt vectoring */
83};
84
85CFATTACH_DECL_NEW(ohci_cardbus, sizeof(struct ohci_cardbus_softc),
86 ohci_cardbus_match, ohci_cardbus_attach, ohci_cardbus_detach,
87 ohci_activate);
88
89int
90ohci_cardbus_match(device_t parent, cfdata_t match, void *aux)
91{
92 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
93
94 if (PCI_CLASS(ca->ca_class) == PCI_CLASS_SERIALBUS &&
95 PCI_SUBCLASS(ca->ca_class) == PCI_SUBCLASS_SERIALBUS_USB &&
96 PCI_INTERFACE(ca->ca_class) == PCI_INTERFACE_OHCI)
97 return 1;
98
99 return 0;
100}
101
102void
103ohci_cardbus_attach(device_t parent, device_t self, void *aux)
104{
105 struct ohci_cardbus_softc *sc = device_private(self);
106 struct cardbus_attach_args *ca = aux;
107 cardbus_devfunc_t ct = ca->ca_ct;
108 cardbus_chipset_tag_t cc = ct->ct_cc;
109 cardbus_function_tag_t cf = ct->ct_cf;
110 pcireg_t csr;
111 char devinfo[256];
112 const char *devname = device_xname(self);
113
114 sc->sc.sc_dev = self;
115 sc->sc.sc_bus.ub_hcpriv = sc;
116
117 pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
118 printf(": %s (rev. 0x%02x)\n", devinfo,
119 PCI_REVISION(ca->ca_class));
120
121 /* Map I/O registers */
122 if (Cardbus_mapreg_map(ct, PCI_CBMEM, PCI_MAPREG_TYPE_MEM, 0,
123 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
124 aprint_error("%s: can't map mem space\n", devname);
125 return;
126 }
127
128 sc->sc_cc = cc;
129 sc->sc_cf = cf;
130 sc->sc_ct = ct;
131 sc->sc.sc_bus.ub_dmatag = ca->ca_dmat;
132
133 /* Enable the device. */
134 csr = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG);
135 Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG,
136 csr | PCI_COMMAND_MASTER_ENABLE
137 | PCI_COMMAND_MEM_ENABLE);
138
139 /* Disable interrupts, so we don't can any spurious ones. */
140 bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE,
141 OHCI_ALL_INTRS);
142
143 sc->sc_ih = Cardbus_intr_establish(ct, IPL_USB, ohci_intr, sc);
144 if (sc->sc_ih == NULL) {
145 aprint_error("%s: couldn't establish interrupt\n", devname);
146 return;
147 }
148
149 /* Figure out vendor for root hub descriptor. */
150 sc->sc.sc_id_vendor = PCI_VENDOR(ca->ca_id);
151 pci_findvendor(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
152 sc->sc.sc_id_vendor);
153
154 int err = ohci_init(&sc->sc);
155 if (err) {
156 aprint_error("%s: init failed, error=%d\n", devname, err);
157
158 /* Avoid spurious interrupts. */
159 Cardbus_intr_disestablish(ct, sc->sc_ih);
160 sc->sc_ih = 0;
161
162 return;
163 }
164
165#if NEHCI_CARDBUS > 0
166 usb_cardbus_add(&sc->sc_cardbus, ca, self);
167#endif
168
169 if (!pmf_device_register1(self, ohci_suspend, ohci_resume,
170 ohci_shutdown))
171 aprint_error_dev(self, "couldn't establish power handler\n");
172
173 /* Attach usb device. */
174 sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint);
175}
176
177int
178ohci_cardbus_detach(device_t self, int flags)
179{
180 struct ohci_cardbus_softc *sc = device_private(self);
181 struct cardbus_devfunc *ct = sc->sc_ct;
182 int rv;
183
184 rv = ohci_detach(&sc->sc, flags);
185 if (rv)
186 return rv;
187 if (sc->sc_ih != NULL) {
188 Cardbus_intr_disestablish(ct, sc->sc_ih);
189 sc->sc_ih = NULL;
190 }
191 if (sc->sc.sc_size) {
192 Cardbus_mapreg_unmap(ct, PCI_CBMEM, sc->sc.iot,
193 sc->sc.ioh, sc->sc.sc_size);
194 sc->sc.sc_size = 0;
195 }
196#if NEHCI_CARDBUS > 0
197 usb_cardbus_rem(&sc->sc_cardbus);
198#endif
199 return 0;
200}
201