1 | /* $NetBSD: fwohci_cardbus.c,v 1.36 2016/07/14 04:19:26 msaitoh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Matt Thomas of 3am Software Foundry. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #include <sys/cdefs.h> |
33 | __KERNEL_RCSID(0, "$NetBSD: fwohci_cardbus.c,v 1.36 2016/07/14 04:19:26 msaitoh Exp $" ); |
34 | |
35 | #include <sys/param.h> |
36 | #include <sys/systm.h> |
37 | #include <sys/socket.h> |
38 | #include <sys/device.h> |
39 | #include <sys/select.h> |
40 | |
41 | #include <sys/bus.h> |
42 | |
43 | #if defined pciinc |
44 | #include <dev/pci/pcidevs.h> |
45 | #endif |
46 | |
47 | #include <dev/cardbus/cardbusvar.h> |
48 | #include <dev/pci/pcidevs.h> |
49 | |
50 | #include <dev/ieee1394/firewire.h> |
51 | #include <dev/ieee1394/firewirereg.h> |
52 | #include <dev/ieee1394/fwdma.h> |
53 | #include <dev/ieee1394/fwohcireg.h> |
54 | #include <dev/ieee1394/fwohcivar.h> |
55 | |
56 | struct fwohci_cardbus_softc { |
57 | struct fwohci_softc sc_sc; |
58 | cardbus_chipset_tag_t sc_cc; |
59 | cardbus_function_tag_t sc_cf; |
60 | cardbus_devfunc_t sc_ct; |
61 | void *sc_ih; |
62 | }; |
63 | |
64 | static int fwohci_cardbus_match(device_t, cfdata_t, void *); |
65 | static void fwohci_cardbus_attach(device_t, device_t, void *); |
66 | static int fwohci_cardbus_detach(device_t, int); |
67 | |
68 | CFATTACH_DECL_NEW(fwohci_cardbus, sizeof(struct fwohci_cardbus_softc), |
69 | fwohci_cardbus_match, fwohci_cardbus_attach, fwohci_cardbus_detach, NULL); |
70 | |
71 | static int |
72 | fwohci_cardbus_match(device_t parent, cfdata_t match, void *aux) |
73 | { |
74 | struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; |
75 | |
76 | if (PCI_CLASS(ca->ca_class) == PCI_CLASS_SERIALBUS && |
77 | PCI_SUBCLASS(ca->ca_class) == |
78 | PCI_SUBCLASS_SERIALBUS_FIREWIRE && |
79 | PCI_INTERFACE(ca->ca_class) == PCI_INTERFACE_OHCI) |
80 | return 1; |
81 | |
82 | return 0; |
83 | } |
84 | |
85 | static void |
86 | fwohci_cardbus_attach(device_t parent, device_t self, void *aux) |
87 | { |
88 | struct cardbus_attach_args *ca = aux; |
89 | struct fwohci_cardbus_softc *sc = device_private(self); |
90 | cardbus_devfunc_t ct = ca->ca_ct; |
91 | cardbus_chipset_tag_t cc = ct->ct_cc; |
92 | cardbus_function_tag_t cf = ct->ct_cf; |
93 | pcireg_t csr; |
94 | char devinfo[256]; |
95 | |
96 | pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo)); |
97 | aprint_normal(": %s (rev. 0x%02x)\n" , devinfo, |
98 | PCI_REVISION(ca->ca_class)); |
99 | aprint_naive("\n" ); |
100 | |
101 | fwohci_init(&sc->sc_sc); |
102 | |
103 | /* Map I/O registers */ |
104 | if (Cardbus_mapreg_map(ct, PCI_OHCI_MAP_REGISTER, PCI_MAPREG_TYPE_MEM, |
105 | 0, &sc->sc_sc.bst, &sc->sc_sc.bsh, NULL, &sc->sc_sc.bssize)) { |
106 | aprint_error_dev(self, "can't map OHCI register space\n" ); |
107 | return; |
108 | } |
109 | |
110 | sc->sc_sc.fc.dev = self; |
111 | sc->sc_sc.fc.dmat = ca->ca_dmat; |
112 | sc->sc_cc = cc; |
113 | sc->sc_cf = cf; |
114 | sc->sc_ct = ct; |
115 | |
116 | /* Disable interrupts, so we don't get any spurious ones. */ |
117 | OWRITE(&sc->sc_sc, FWOHCI_INTMASKCLR, OHCI_INT_EN); |
118 | |
119 | /* Enable the device. */ |
120 | csr = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG); |
121 | Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, |
122 | csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE); |
123 | |
124 | sc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, fwohci_intr, sc); |
125 | if (sc->sc_ih == NULL) { |
126 | aprint_error_dev(self, "couldn't establish interrupt\n" ); |
127 | return; |
128 | } |
129 | |
130 | /* XXX NULL should be replaced by some call to Cardbus coed */ |
131 | if (fwohci_attach(&sc->sc_sc) != 0) { |
132 | Cardbus_intr_disestablish(ct, sc->sc_ih); |
133 | sc->sc_ih = NULL; |
134 | } |
135 | } |
136 | |
137 | int |
138 | fwohci_cardbus_detach(device_t self, int flags) |
139 | { |
140 | struct fwohci_cardbus_softc *sc = device_private(self); |
141 | cardbus_devfunc_t ct = sc->sc_ct; |
142 | int rv; |
143 | |
144 | rv = fwohci_detach(&sc->sc_sc, flags); |
145 | |
146 | if (rv) |
147 | return (rv); |
148 | if (sc->sc_ih != NULL) { |
149 | Cardbus_intr_disestablish(ct, sc->sc_ih); |
150 | sc->sc_ih = NULL; |
151 | } |
152 | if (sc->sc_sc.bssize) { |
153 | Cardbus_mapreg_unmap(ct, PCI_OHCI_MAP_REGISTER, |
154 | sc->sc_sc.bst, sc->sc_sc.bsh, |
155 | sc->sc_sc.bssize); |
156 | sc->sc_sc.bssize = 0; |
157 | } |
158 | return (0); |
159 | } |
160 | |