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 | |
70 | int ohci_cardbus_match(device_t, cfdata_t, void *); |
71 | void ohci_cardbus_attach(device_t, device_t, void *); |
72 | int ohci_cardbus_detach(device_t, int); |
73 | |
74 | struct 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 | |
85 | CFATTACH_DECL_NEW(ohci_cardbus, sizeof(struct ohci_cardbus_softc), |
86 | ohci_cardbus_match, ohci_cardbus_attach, ohci_cardbus_detach, |
87 | ohci_activate); |
88 | |
89 | int |
90 | ohci_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 | |
102 | void |
103 | ohci_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 | |
177 | int |
178 | ohci_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 | |