1 /* $OpenBSD: ohci_cardbus.c,v 1.3 2005/04/11 08:09:32 dlg Exp $ */
2 /* $NetBSD: ohci_cardbus.c,v 1.19 2004/08/02 19:14:28 mycroft Exp $ */
3
4 /*
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Lennart Augustsson (lennart@augustsson.net) at
10 * Carlstedt Research & Technology.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 /*
42 * USB Open Host Controller driver.
43 *
44 * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
45 * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl
46 */
47
48 #include <sys/cdefs.h>
49 #ifdef __NetBSD__
50 __KERNEL_RCSID(0, "$NetBSD: ohci_cardbus.c,v 1.19 2004/08/02 19:14:28 mycroft Exp $");
51 #endif
52
53 #include <sys/param.h>
54 #include <sys/systm.h>
55 #include <sys/kernel.h>
56 #include <sys/device.h>
57 #include <sys/proc.h>
58
59 #include <machine/bus.h>
60
61 #include <dev/cardbus/cardbusvar.h>
62 #include <dev/pci/pcidevs.h>
63
64 #include <dev/usb/usb.h>
65 #include <dev/usb/usbdi.h>
66 #include <dev/usb/usbdivar.h>
67 #include <dev/usb/usb_mem.h>
68
69 #include <dev/usb/ohcireg.h>
70 #include <dev/usb/ohcivar.h>
71
72 #ifdef __NetBSD__
73 int ohci_cardbus_match(struct device *, struct cfdata *, void *);
74 #else
75 int ohci_cardbus_match(struct device *, void *, void *);
76 #endif
77 void ohci_cardbus_attach(struct device *, struct device *, void *);
78 #ifdef __NetBSD__
79 int ohci_cardbus_detach(device_ptr_t, int);
80 #else
81 int ohci_cardbus_detach(struct device *, int);
82 #endif
83
84 struct ohci_cardbus_softc {
85 ohci_softc_t sc;
86 cardbus_chipset_tag_t sc_cc;
87 cardbus_function_tag_t sc_cf;
88 cardbus_devfunc_t sc_ct;
89 void *sc_ih; /* interrupt vectoring */
90 };
91
92 #ifdef __NetBSD__
93 CFATTACH_DECL(ohci_cardbus, sizeof(struct ohci_cardbus_softc),
94 ohci_cardbus_match, ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate);
95 #else
96 struct cfattach ohci_cardbus_ca = {
97 sizeof(struct ohci_cardbus_softc), ohci_cardbus_match,
98 ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate
99 };
100 #endif
101
102 #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI
103 #define CARDBUS_CBMEM PCI_CBMEM
104 #define cardbus_findvendor pci_findvendor
105 #define cardbus_devinfo pci_devinfo
106
107 int
108 #ifdef __NetBSD__
ohci_cardbus_match(struct device * parent,struct cfdata * match,void * aux)109 ohci_cardbus_match(struct device *parent, struct cfdata *match, void *aux)
110 #else
111 ohci_cardbus_match(struct device *parent, void *match, void *aux)
112 #endif
113 {
114 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
115
116 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
117 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB &&
118 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI)
119 return (1);
120
121 return (0);
122 }
123
124 void
ohci_cardbus_attach(struct device * parent,struct device * self,void * aux)125 ohci_cardbus_attach(struct device *parent, struct device *self, void *aux)
126 {
127 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
128 struct cardbus_attach_args *ca = aux;
129 cardbus_devfunc_t ct = ca->ca_ct;
130 cardbus_chipset_tag_t cc = ct->ct_cc;
131 cardbus_function_tag_t cf = ct->ct_cf;
132 cardbusreg_t csr;
133 usbd_status r;
134 const char *vendor;
135 const char *devname = sc->sc.sc_bus.bdev.dv_xname;
136
137 #if defined(__NetBSD__)
138 char devinfo[256];
139 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
140 printf(": %s (rev. 0x%02x)\n", devinfo,
141 CARDBUS_REVISION(ca->ca_class));
142 #endif
143
144 /* Map I/O registers */
145 if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0,
146 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
147 printf("%s: can't map mem space\n", devname);
148 return;
149 }
150
151 /* Disable interrupts, so we don't get any spurious ones. */
152 bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE,
153 OHCI_MIE);
154
155 sc->sc_cc = cc;
156 sc->sc_cf = cf;
157 sc->sc_ct = ct;
158 sc->sc.sc_bus.dmatag = ca->ca_dmat;
159
160 #if rbus
161 #else
162 XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40);
163 #endif
164 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
165 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
166
167 /* Enable the device. */
168 csr = cardbus_conf_read(cc, cf, ca->ca_tag,
169 CARDBUS_COMMAND_STATUS_REG);
170 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
171 csr | CARDBUS_COMMAND_MASTER_ENABLE
172 | CARDBUS_COMMAND_MEM_ENABLE);
173
174 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
175 IPL_USB, ohci_intr, sc);
176 if (sc->sc_ih == NULL) {
177 printf("%s: couldn't establish interrupt\n", devname);
178 return;
179 }
180 printf(": irq %d", ca->ca_intrline);
181
182 /* Figure out vendor for root hub descriptor. */
183 vendor = cardbus_findvendor(ca->ca_id);
184 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id);
185 if (vendor)
186 strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor));
187 else
188 snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
189 "vendor 0x%04x", CARDBUS_VENDOR(ca->ca_id));
190
191 r = ohci_init(&sc->sc);
192 if (r != USBD_NORMAL_COMPLETION) {
193 printf("%s: init failed, error=%d\n", devname, r);
194
195 /* Avoid spurious interrupts. */
196 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
197 sc->sc_ih = 0;
198
199 return;
200 }
201
202 sc->sc.sc_powerhook = powerhook_establish(ohci_power, &sc->sc);
203
204 /* Attach usb device. */
205 sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus,
206 usbctlprint);
207 }
208
209 int
210 #ifdef __NetBSD__
ohci_cardbus_detach(device_ptr_t self,int flags)211 ohci_cardbus_detach(device_ptr_t self, int flags)
212 #else
213 ohci_cardbus_detach(struct device *self, int flags)
214 #endif
215 {
216 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
217 struct cardbus_devfunc *ct = sc->sc_ct;
218 int rv;
219
220 rv = ohci_detach(&sc->sc, flags);
221 if (rv)
222 return (rv);
223 powerhook_disestablish(sc->sc.sc_powerhook);
224
225 if (sc->sc_ih != NULL) {
226 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
227 sc->sc_ih = NULL;
228 }
229 if (sc->sc.sc_size) {
230 Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot,
231 sc->sc.ioh, sc->sc.sc_size);
232 sc->sc.sc_size = 0;
233 }
234
235 return (0);
236 }
237