1 /* $NetBSD: ohci_cardbus.c,v 1.15 2003/03/11 11:59:31 drochner 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 * 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 <sys/cdefs.h>
48 __KERNEL_RCSID(0, "$NetBSD: ohci_cardbus.c,v 1.15 2003/03/11 11:59:31 drochner Exp $");
49
50 #include "ehci_cardbus.h"
51
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/kernel.h>
55 #include <sys/device.h>
56 #include <sys/proc.h>
57
58 #include <machine/bus.h>
59
60 #if defined pciinc
61 #include <dev/pci/pcidevs.h>
62 #endif
63
64 #include <dev/cardbus/cardbusvar.h>
65 #include <dev/cardbus/cardbusdevs.h>
66
67 #include <dev/cardbus/usb_cardbus.h>
68
69 #include <dev/usb/usb.h>
70 #include <dev/usb/usbdi.h>
71 #include <dev/usb/usbdivar.h>
72 #include <dev/usb/usb_mem.h>
73
74 #include <dev/usb/ohcireg.h>
75 #include <dev/usb/ohcivar.h>
76
77 int ohci_cardbus_match(struct device *, struct cfdata *, void *);
78 void ohci_cardbus_attach(struct device *, struct device *, void *);
79 int ohci_cardbus_detach(device_ptr_t, int);
80
81 struct ohci_cardbus_softc {
82 ohci_softc_t sc;
83 #if NEHCI_CARDBUS > 0
84 struct usb_cardbus sc_cardbus;
85 #endif
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 CFATTACH_DECL(ohci_cardbus, sizeof(struct ohci_cardbus_softc),
93 ohci_cardbus_match, ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate);
94
95 #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI
96 #define CARDBUS_CBMEM PCI_CBMEM
97 #define cardbus_findvendor pci_findvendor
98 #define cardbus_devinfo pci_devinfo
99
100 int
101 ohci_cardbus_match(struct device *parent, struct cfdata *match, void *aux)
102 {
103 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
104
105 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
106 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB &&
107 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI)
108 return (1);
109
110 return (0);
111 }
112
113 void
114 ohci_cardbus_attach(struct device *parent, struct device *self, void *aux)
115 {
116 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
117 struct cardbus_attach_args *ca = aux;
118 cardbus_devfunc_t ct = ca->ca_ct;
119 cardbus_chipset_tag_t cc = ct->ct_cc;
120 cardbus_function_tag_t cf = ct->ct_cf;
121 cardbusreg_t csr;
122 char devinfo[256];
123 usbd_status r;
124 char *vendor;
125 const char *devname = sc->sc.sc_bus.bdev.dv_xname;
126
127 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo);
128 printf(": %s (rev. 0x%02x)\n", devinfo,
129 CARDBUS_REVISION(ca->ca_class));
130
131 /* Map I/O registers */
132 if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0,
133 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
134 printf("%s: can't map mem space\n", devname);
135 return;
136 }
137
138 /* Disable interrupts, so we don't can any spurious ones. */
139 bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE,
140 OHCI_ALL_INTRS);
141
142 sc->sc_cc = cc;
143 sc->sc_cf = cf;
144 sc->sc_ct = ct;
145 sc->sc.sc_bus.dmatag = ca->ca_dmat;
146
147 #if rbus
148 #else
149 XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40);
150 #endif
151 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
152 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
153
154 /* Enable the device. */
155 csr = cardbus_conf_read(cc, cf, ca->ca_tag,
156 CARDBUS_COMMAND_STATUS_REG);
157 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
158 csr | CARDBUS_COMMAND_MASTER_ENABLE
159 | CARDBUS_COMMAND_MEM_ENABLE);
160
161 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
162 IPL_USB, ohci_intr, sc);
163 if (sc->sc_ih == NULL) {
164 printf("%s: couldn't establish interrupt\n", devname);
165 return;
166 }
167 printf("%s: interrupting at %d\n", devname, ca->ca_intrline);
168
169 /* Figure out vendor for root hub descriptor. */
170 vendor = cardbus_findvendor(ca->ca_id);
171 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id);
172 if (vendor)
173 strncpy(sc->sc.sc_vendor, vendor,
174 sizeof(sc->sc.sc_vendor) - 1);
175 else
176 sprintf(sc->sc.sc_vendor, "vendor 0x%04x",
177 CARDBUS_VENDOR(ca->ca_id));
178
179 r = ohci_init(&sc->sc);
180 if (r != USBD_NORMAL_COMPLETION) {
181 printf("%s: init failed, error=%d\n", devname, r);
182
183 /* Avoid spurious interrupts. */
184 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
185 sc->sc_ih = 0;
186
187 return;
188 }
189
190 #if NEHCI_CARDBUS > 0
191 usb_cardbus_add(&sc->sc_cardbus, ca, &sc->sc.sc_bus);
192 #endif
193
194 /* Attach usb device. */
195 sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus,
196 usbctlprint);
197 }
198
199 int
200 ohci_cardbus_detach(device_ptr_t self, int flags)
201 {
202 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self;
203 struct cardbus_devfunc *ct = sc->sc_ct;
204 int rv;
205
206 rv = ohci_detach(&sc->sc, flags);
207 if (rv)
208 return (rv);
209 if (sc->sc_ih != NULL) {
210 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
211 sc->sc_ih = NULL;
212 }
213 if (sc->sc.sc_size) {
214 Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot,
215 sc->sc.ioh, sc->sc.sc_size);
216 sc->sc.sc_size = 0;
217 }
218 #if NEHCI_CARDBUS > 0
219 usb_cardbus_rem(&sc->sc_cardbus);
220 #endif
221 return (0);
222 }
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