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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/s3/@/amd64/compile/hs32/modules/usr/src/sys/modules/usb/usie/@/amd64/compile/hs32/modules/usr/src/sys/modules/i2c/controllers/alpm/@/amd64/compile/hs32/modules/usr/src/sys/modules/tx/@/dev/cardbus/cardbus_device.c |
/*- * Copyright (c) 2005-2008, M. Warner Losh * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/cardbus/cardbus_device.c 188216 2009-02-06 00:55:19Z wkoszek $"); #include <sys/param.h> #include <sys/conf.h> #include <sys/malloc.h> #include <sys/systm.h> #include <sys/uio.h> #include <sys/bus.h> #include <machine/bus.h> #include <sys/rman.h> #include <machine/resource.h> #include <sys/pciio.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/pci/pci_private.h> #include <dev/cardbus/cardbusreg.h> #include <dev/cardbus/cardbusvar.h> #include <dev/cardbus/cardbus_cis.h> #include <dev/pccard/pccard_cis.h> static d_open_t cardbus_open; static d_close_t cardbus_close; static d_read_t cardbus_read; static d_ioctl_t cardbus_ioctl; static struct cdevsw cardbus_cdevsw = { .d_version = D_VERSION, .d_open = cardbus_open, .d_close = cardbus_close, .d_read = cardbus_read, .d_ioctl = cardbus_ioctl, .d_name = "cardbus" }; static int cardbus_build_cis(device_t cbdev, device_t child, int id, int len, uint8_t *tupledata, uint32_t start, uint32_t *off, struct tuple_callbacks *info, void *argp) { struct cis_buffer *cis; int i; cis = (struct cis_buffer *)argp; /* * CISTPL_END is a special case, it has no length field. */ if (id == CISTPL_END) { if (cis->len + 1 > sizeof(cis->buffer)) { cis->len = 0; return (ENOSPC); } cis->buffer[cis->len++] = id; return (0); } if (cis->len + 2 + len > sizeof(cis->buffer)) { cis->len = 0; return (ENOSPC); } cis->buffer[cis->len++] = id; cis->buffer[cis->len++] = len; for (i = 0; i < len; i++) cis->buffer[cis->len++] = tupledata[i]; return (0); } static int cardbus_device_buffer_cis(device_t parent, device_t child, struct cis_buffer *cbp) { struct tuple_callbacks cb[] = { {CISTPL_GENERIC, "GENERIC", cardbus_build_cis} }; return (cardbus_parse_cis(parent, child, cb, cbp)); } int cardbus_device_create(struct cardbus_softc *sc, struct cardbus_devinfo *devi, device_t parent, device_t child) { uint32_t minor; int unit; cardbus_device_buffer_cis(parent, child, &devi->sc_cis); minor = (device_get_unit(sc->sc_dev) << 8) + devi->pci.cfg.func; unit = device_get_unit(sc->sc_dev); devi->sc_cisdev = make_dev(&cardbus_cdevsw, minor, 0, 0, 0666, "cardbus%d.%d.cis", unit, devi->pci.cfg.func); if (devi->pci.cfg.func == 0) make_dev_alias(devi->sc_cisdev, "cardbus%d.cis", unit); devi->sc_cisdev->si_drv1 = devi; return (0); } int cardbus_device_destroy(struct cardbus_devinfo *devi) { if (devi->sc_cisdev) destroy_dev(devi->sc_cisdev); return (0); } static int cardbus_open(struct cdev *dev, int oflags, int devtype, struct thread *td) { return (0); } static int cardbus_close(struct cdev *dev, int fflags, int devtype, struct thread *td) { return (0); } static int cardbus_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag, struct thread *td) { return (ENOTTY); } static int cardbus_read(struct cdev *dev, struct uio *uio, int ioflag) { struct cardbus_devinfo *devi; devi = dev->si_drv1; /* EOF */ if (uio->uio_offset >= devi->sc_cis.len) return (0); return (uiomove(devi->sc_cis.buffer + uio->uio_offset, MIN(uio->uio_resid, devi->sc_cis.len - uio->uio_offset), uio)); }