2 * Copyright (c) 2005-2008, M. Warner Losh
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
33 #include <sys/malloc.h>
34 #include <sys/systm.h>
38 #include <machine/bus.h>
40 #include <machine/resource.h>
42 #include <sys/pciio.h>
43 #include <dev/pci/pcivar.h>
44 #include <dev/pci/pcireg.h>
45 #include <dev/pci/pci_private.h>
47 #include <dev/cardbus/cardbusreg.h>
48 #include <dev/cardbus/cardbusvar.h>
49 #include <dev/cardbus/cardbus_cis.h>
50 #include <dev/pccard/pccard_cis.h>
52 static d_open_t cardbus_open;
53 static d_close_t cardbus_close;
54 static d_read_t cardbus_read;
55 static d_ioctl_t cardbus_ioctl;
57 static struct cdevsw cardbus_cdevsw = {
58 .d_version = D_VERSION,
59 .d_open = cardbus_open,
60 .d_close = cardbus_close,
61 .d_read = cardbus_read,
62 .d_ioctl = cardbus_ioctl,
67 cardbus_build_cis(device_t cbdev, device_t child, int id,
68 int len, uint8_t *tupledata, uint32_t start, uint32_t *off,
69 struct tuple_callbacks *info, void *argp)
71 struct cis_buffer *cis;
74 cis = (struct cis_buffer *)argp;
76 * CISTPL_END is a special case, it has no length field.
78 if (id == CISTPL_END) {
79 if (cis->len + 1 > sizeof(cis->buffer)) {
83 cis->buffer[cis->len++] = id;
86 if (cis->len + 2 + len > sizeof(cis->buffer)) {
90 cis->buffer[cis->len++] = id;
91 cis->buffer[cis->len++] = len;
92 for (i = 0; i < len; i++)
93 cis->buffer[cis->len++] = tupledata[i];
98 cardbus_device_buffer_cis(device_t parent, device_t child,
99 struct cis_buffer *cbp)
101 struct tuple_callbacks cb[] = {
102 {CISTPL_GENERIC, "GENERIC", cardbus_build_cis}
105 return (cardbus_parse_cis(parent, child, cb, cbp));
109 cardbus_device_create(struct cardbus_softc *sc, struct cardbus_devinfo *devi,
110 device_t parent, device_t child)
115 cardbus_device_buffer_cis(parent, child, &devi->sc_cis);
116 minor = (device_get_unit(sc->sc_dev) << 8) + devi->pci.cfg.func;
117 unit = device_get_unit(sc->sc_dev);
118 devi->sc_cisdev = make_dev(&cardbus_cdevsw, minor, 0, 0, 0666,
119 "cardbus%d.%d.cis", unit, devi->pci.cfg.func);
120 if (devi->pci.cfg.func == 0)
121 make_dev_alias(devi->sc_cisdev, "cardbus%d.cis", unit);
122 devi->sc_cisdev->si_drv1 = devi;
127 cardbus_device_destroy(struct cardbus_devinfo *devi)
130 destroy_dev(devi->sc_cisdev);
135 cardbus_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
142 cardbus_close(struct cdev *dev, int fflags, int devtype, struct thread *td)
149 cardbus_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
156 cardbus_read(struct cdev *dev, struct uio *uio, int ioflag)
158 struct cardbus_devinfo *devi;
162 if (uio->uio_offset >= devi->sc_cis.len)
164 return (uiomove(devi->sc_cis.buffer + uio->uio_offset,
165 MIN(uio->uio_resid, devi->sc_cis.len - uio->uio_offset), uio));