1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/* $OpenBSD: uhci_cardbus.c,v 1.15 2015/03/14 03:38:47 jsg Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net) at
* Carlstedt Research & Technology.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <dev/cardbus/cardbusvar.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usb_mem.h>
#include <dev/usb/uhcireg.h>
#include <dev/usb/uhcivar.h>
int uhci_cardbus_match(struct device *, void *, void *);
void uhci_cardbus_attach(struct device *, struct device *, void *);
int uhci_cardbus_detach(struct device *, int);
struct uhci_cardbus_softc {
struct uhci_softc sc;
cardbus_chipset_tag_t sc_cc;
cardbus_function_tag_t sc_cf;
cardbus_devfunc_t sc_ct;
void *sc_ih; /* interrupt vectoring */
};
struct cfattach uhci_cardbus_ca = {
sizeof(struct uhci_cardbus_softc), uhci_cardbus_match,
uhci_cardbus_attach, uhci_cardbus_detach, uhci_activate
};
#define cardbus_findvendor pci_findvendor
int
uhci_cardbus_match(struct device *parent, void *match, void *aux)
{
struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
if (PCI_CLASS(ca->ca_class) == PCI_CLASS_SERIALBUS &&
PCI_SUBCLASS(ca->ca_class) == PCI_SUBCLASS_SERIALBUS_USB &&
PCI_INTERFACE(ca->ca_class) == PCI_INTERFACE_UHCI)
return (1);
return (0);
}
void
uhci_cardbus_attach(struct device *parent, struct device *self, void *aux)
{
struct uhci_cardbus_softc *sc = (struct uhci_cardbus_softc *)self;
struct cardbus_attach_args *ca = aux;
cardbus_devfunc_t ct = ca->ca_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
pci_chipset_tag_t pc = ca->ca_pc;
cardbus_function_tag_t cf = ct->ct_cf;
pcireg_t csr;
usbd_status r;
const char *vendor;
const char *devname = sc->sc.sc_bus.bdev.dv_xname;
/* Map I/O registers */
if (Cardbus_mapreg_map(ct, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
&sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
printf(": can't map io space\n");
return;
}
/* Disable interrupts, so we don't get any spurious ones. */
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
sc->sc_cc = cc;
sc->sc_cf = cf;
sc->sc_ct = ct;
sc->sc.sc_bus.dmatag = ca->ca_dmat;
(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_IO_ENABLE);
(ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
/* Enable the device. */
csr = pci_conf_read(pc, ca->ca_tag,
PCI_COMMAND_STATUS_REG);
pci_conf_write(pc, ca->ca_tag, PCI_COMMAND_STATUS_REG,
csr | PCI_COMMAND_MASTER_ENABLE
| PCI_COMMAND_IO_ENABLE);
sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
IPL_USB, uhci_intr, sc, devname);
if (sc->sc_ih == NULL) {
printf(": couldn't establish interrupt\n");
return;
}
printf(": irq %d\n", ca->ca_intrline);
/* Set LEGSUP register to its default value. */
pci_conf_write(pc, ca->ca_tag, PCI_LEGSUP,
PCI_LEGSUP_USBPIRQDEN);
switch(pci_conf_read(pc, ca->ca_tag, PCI_USBREV) & PCI_USBREV_MASK) {
case PCI_USBREV_PRE_1_0:
sc->sc.sc_bus.usbrev = USBREV_PRE_1_0;
break;
case PCI_USBREV_1_0:
sc->sc.sc_bus.usbrev = USBREV_1_0;
break;
case PCI_USBREV_1_1:
sc->sc.sc_bus.usbrev = USBREV_1_1;
break;
default:
sc->sc.sc_bus.usbrev = USBREV_UNKNOWN;
break;
}
uhci_run(&sc->sc, 0); /* stop the controller */
/* disable interrupts */
bus_space_barrier(sc->sc.iot, sc->sc.ioh, 0, sc->sc.sc_size,
BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE);
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
/* Figure out vendor for root hub descriptor. */
vendor = cardbus_findvendor(ca->ca_id);
sc->sc.sc_id_vendor = PCI_VENDOR(ca->ca_id);
if (vendor)
strlcpy(sc->sc.sc_vendor, vendor, sizeof (sc->sc.sc_vendor));
else
snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
"vendor 0x%04x", PCI_VENDOR(ca->ca_id));
r = uhci_init(&sc->sc);
if (r != USBD_NORMAL_COMPLETION) {
printf("%s: init failed, error=%d\n", devname, r);
bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size);
return;
}
/* Attach usb device. */
config_found(self, &sc->sc.sc_bus, usbctlprint);
}
int
uhci_cardbus_detach(struct device *self, int flags)
{
struct uhci_cardbus_softc *sc = (struct uhci_cardbus_softc *)self;
struct cardbus_devfunc *ct = sc->sc_ct;
int rv;
rv = uhci_detach(self, flags);
if (rv)
return (rv);
if (sc->sc_ih != NULL) {
cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
sc->sc_ih = NULL;
}
if (sc->sc.sc_size) {
Cardbus_mapreg_unmap(ct, PCI_CBIO, sc->sc.iot,
sc->sc.ioh, sc->sc.sc_size);
sc->sc.sc_size = 0;
}
return (0);
}
|
