ohci_cardbus.c revision 1.10 1 /* $NetBSD: ohci_cardbus.c,v 1.10 2001/11/06 03:18:53 augustss 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 (at) 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 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * USB Open Host Controller driver.
42 *
43 * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
44 * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl
45 */
46
47 #include "ehci.h"
48
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
52 #include <sys/device.h>
53 #include <sys/proc.h>
54
55 #include <machine/bus.h>
56
57 #if defined pciinc
58 #include <dev/pci/pcidevs.h>
59 #endif
60
61 #include <dev/cardbus/cardbusvar.h>
62 #include <dev/cardbus/cardbusdevs.h>
63
64 #include <dev/cardbus/usb_cardbus.h>
65
66 #include <dev/usb/usb.h>
67 #include <dev/usb/usbdi.h>
68 #include <dev/usb/usbdivar.h>
69 #include <dev/usb/usb_mem.h>
70
71 #include <dev/usb/ohcireg.h>
72 #include <dev/usb/ohcivar.h>
73
74 int ohci_cardbus_match(struct device *, struct cfdata *, void *);
75 void ohci_cardbus_attach(struct device *, struct device *, void *);
76 int ohci_cardbus_detach(device_ptr_t, int);
77
78 struct ohci_cardbus_softc {
79 ohci_softc_t sc;
80 #if NEHCI > 0
81 struct usb_cardbus sc_cardbus;
82 #endif
83 cardbus_chipset_tag_t sc_cc;
84 cardbus_function_tag_t sc_cf;
85 cardbus_devfunc_t sc_ct;
86 void *sc_ih; /* interrupt vectoring */
87 };
88
89 struct cfattach ohci_cardbus_ca = {
90 sizeof(struct ohci_cardbus_softc), ohci_cardbus_match,
91 ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate
92 };
93
94 #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI
95 #define CARDBUS_CBMEM PCI_CBMEM
96 #define cardbus_findvendor pci_findvendor
97 #define cardbus_devinfo pci_devinfo
98
99 int
100 ohci_cardbus_match(struct device *parent, struct cfdata *match, void *aux)
101 {
102 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
103
104 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
105 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB &&
106 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI)
107 return (1);
108
109 return (0);
110 }
111
112 void
113 ohci_cardbus_attach(struct device *parent, struct device *self, void *aux)
114 {
115 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
116 struct cardbus_attach_args *ca = aux;
117 cardbus_devfunc_t ct = ca->ca_ct;
118 cardbus_chipset_tag_t cc = ct->ct_cc;
119 cardbus_function_tag_t cf = ct->ct_cf;
120 cardbusreg_t csr;
121 char devinfo[256];
122 usbd_status r;
123 char *vendor;
124 const char *devname = sc->sc.sc_bus.bdev.dv_xname;
125
126 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo);
127 printf(": %s (rev. 0x%02x)\n", devinfo,
128 CARDBUS_REVISION(ca->ca_class));
129
130 /* Map I/O registers */
131 if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0,
132 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
133 printf("%s: can't map mem space\n", devname);
134 return;
135 }
136
137 /* Disable interrupts, so we don't can any spurious ones. */
138 bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE,
139 OHCI_ALL_INTRS);
140
141 sc->sc_cc = cc;
142 sc->sc_cf = cf;
143 sc->sc_ct = ct;
144 sc->sc.sc_bus.dmatag = ca->ca_dmat;
145
146 #if rbus
147 #else
148 XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40);
149 #endif
150 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
151 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
152
153 /* Enable the device. */
154 csr = cardbus_conf_read(cc, cf, ca->ca_tag,
155 CARDBUS_COMMAND_STATUS_REG);
156 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
157 csr | CARDBUS_COMMAND_MASTER_ENABLE
158 | CARDBUS_COMMAND_MEM_ENABLE);
159
160 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
161 IPL_USB, ohci_intr, sc);
162 if (sc->sc_ih == NULL) {
163 printf("%s: couldn't establish interrupt\n", devname);
164 return;
165 }
166 printf("%s: interrupting at %d\n", devname, ca->ca_intrline);
167
168 /* Figure out vendor for root hub descriptor. */
169 vendor = cardbus_findvendor(ca->ca_id);
170 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id);
171 if (vendor)
172 strncpy(sc->sc.sc_vendor, vendor,
173 sizeof(sc->sc.sc_vendor) - 1);
174 else
175 sprintf(sc->sc.sc_vendor, "vendor 0x%04x",
176 CARDBUS_VENDOR(ca->ca_id));
177
178 r = ohci_init(&sc->sc);
179 if (r != USBD_NORMAL_COMPLETION) {
180 printf("%s: init failed, error=%d\n", devname, r);
181
182 /* Avoid spurious interrupts. */
183 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
184 sc->sc_ih = 0;
185
186 return;
187 }
188
189 #if NEHCI > 0
190 usb_cardbus_add(&sc->sc_cardbus, ca, &sc->sc.sc_bus);
191 #endif
192
193 /* Attach usb device. */
194 sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus,
195 usbctlprint);
196 }
197
198 int
199 ohci_cardbus_detach(device_ptr_t self, int flags)
200 {
201 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
202 struct cardbus_devfunc *ct = sc->sc_ct;
203 int rv;
204
205 rv = ohci_detach(&sc->sc, flags);
206 if (rv)
207 return (rv);
208 if (sc->sc_ih != NULL) {
209 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
210 sc->sc_ih = NULL;
211 }
212 if (sc->sc.sc_size) {
213 Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot,
214 sc->sc.ioh, sc->sc.sc_size);
215 sc->sc.sc_size = 0;
216 }
217 #if NEHCI > 0
218 usb_cardbus_rem(&sc->sc_cardbus);
219 #endif
220 return (0);
221 }
222