/*- * Copyright (c) 2009-2010 Weongyo Jeong * 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, this list of conditions and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any * redistribution must be conditioned upon including a substantially * similar Disclaimer requirement for further binary redistribution. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. */ #include __FBSDID("$FreeBSD$"); /* * Sonics Silicon Backplane front-end for bwn(4). */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * PCI glue. */ struct siba_bwn_softc { /* Child driver using MSI. */ device_t ssc_msi_child; struct siba_softc ssc_siba; }; #define BS_BAR 0x10 #define PCI_VENDOR_BROADCOM 0x14e4 #define N(a) (sizeof(a) / sizeof(a[0])) static const struct siba_dev { uint16_t vid; uint16_t did; const char *desc; } siba_devices[] = { { PCI_VENDOR_BROADCOM, 0x4301, "Broadcom BCM4301 802.11b Wireless" }, { PCI_VENDOR_BROADCOM, 0x4306, "Unknown" }, { PCI_VENDOR_BROADCOM, 0x4307, "Broadcom BCM4307 802.11b Wireless" }, { PCI_VENDOR_BROADCOM, 0x4311, "Broadcom BCM4311 802.11b/g Wireless" }, { PCI_VENDOR_BROADCOM, 0x4312, "Broadcom BCM4312 802.11a/b/g Wireless" }, { PCI_VENDOR_BROADCOM, 0x4315, "Broadcom BCM4312 802.11b/g Wireless" }, { PCI_VENDOR_BROADCOM, 0x4318, "Broadcom BCM4318 802.11b/g Wireless" }, { PCI_VENDOR_BROADCOM, 0x4319, "Broadcom BCM4318 802.11a/b/g Wireless" }, { PCI_VENDOR_BROADCOM, 0x4320, "Broadcom BCM4306 802.11b/g Wireless" }, { PCI_VENDOR_BROADCOM, 0x4321, "Broadcom BCM4306 802.11a Wireless" }, { PCI_VENDOR_BROADCOM, 0x4324, "Broadcom BCM4309 802.11a/b/g Wireless" }, { PCI_VENDOR_BROADCOM, 0x4325, "Broadcom BCM4306 802.11b/g Wireless" }, { PCI_VENDOR_BROADCOM, 0x4328, "Unknown" }, { PCI_VENDOR_BROADCOM, 0x4329, "Unknown" }, { PCI_VENDOR_BROADCOM, 0x432b, "Unknown" } }; int siba_core_attach(struct siba_softc *); int siba_core_detach(struct siba_softc *); int siba_core_suspend(struct siba_softc *); int siba_core_resume(struct siba_softc *); static int siba_bwn_probe(device_t dev) { int i; uint16_t did, vid; did = pci_get_device(dev); vid = pci_get_vendor(dev); for (i = 0; i < N(siba_devices); i++) { if (siba_devices[i].did == did && siba_devices[i].vid == vid) { device_set_desc(dev, siba_devices[i].desc); return (BUS_PROBE_DEFAULT); } } return (ENXIO); } static int siba_bwn_attach(device_t dev) { struct siba_bwn_softc *ssc = device_get_softc(dev); struct siba_softc *siba = &ssc->ssc_siba; siba->siba_dev = dev; siba->siba_type = SIBA_TYPE_PCI; /* * Enable bus mastering. */ pci_enable_busmaster(dev); /* * Setup memory-mapping of PCI registers. */ siba->siba_mem_rid = SIBA_PCIR_BAR; siba->siba_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &siba->siba_mem_rid, RF_ACTIVE); if (siba->siba_mem_res == NULL) { device_printf(dev, "cannot map register space\n"); return (ENXIO); } siba->siba_mem_bt = rman_get_bustag(siba->siba_mem_res); siba->siba_mem_bh = rman_get_bushandle(siba->siba_mem_res); /* Get more PCI information */ siba->siba_pci_did = pci_get_device(dev); siba->siba_pci_vid = pci_get_vendor(dev); siba->siba_pci_subvid = pci_get_subvendor(dev); siba->siba_pci_subdid = pci_get_subdevice(dev); return (siba_core_attach(siba)); } static int siba_bwn_detach(device_t dev) { struct siba_bwn_softc *ssc = device_get_softc(dev); struct siba_softc *siba = &ssc->ssc_siba; /* check if device was removed */ siba->siba_invalid = !bus_child_present(dev); pci_disable_busmaster(dev); bus_generic_detach(dev); siba_core_detach(siba); bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR, siba->siba_mem_res); return (0); } static int siba_bwn_shutdown(device_t dev) { device_t *devlistp; int devcnt, error = 0, i; error = device_get_children(dev, &devlistp, &devcnt); if (error != 0) return (error); for (i = 0 ; i < devcnt ; i++) device_shutdown(devlistp[i]); free(devlistp, M_TEMP); return (0); } static int siba_bwn_suspend(device_t dev) { struct siba_bwn_softc *ssc = device_get_softc(dev); struct siba_softc *siba = &ssc->ssc_siba; device_t *devlistp; int devcnt, error = 0, i, j; error = device_get_children(dev, &devlistp, &devcnt); if (error != 0) return (error); for (i = 0 ; i < devcnt ; i++) { error = DEVICE_SUSPEND(devlistp[i]); if (error) { for (j = 0; j < i; i++) DEVICE_RESUME(devlistp[j]); return (error); } } free(devlistp, M_TEMP); return (siba_core_suspend(siba)); } static int siba_bwn_resume(device_t dev) { struct siba_bwn_softc *ssc = device_get_softc(dev); struct siba_softc *siba = &ssc->ssc_siba; device_t *devlistp; int devcnt, error = 0, i; error = siba_core_resume(siba); if (error != 0) return (error); error = device_get_children(dev, &devlistp, &devcnt); if (error != 0) return (error); for (i = 0 ; i < devcnt ; i++) DEVICE_RESUME(devlistp[i]); free(devlistp, M_TEMP); return (0); } /* proxying to the parent */ static struct resource * siba_bwn_alloc_resource(device_t dev, device_t child, int type, int *rid, u_long start, u_long end, u_long count, u_int flags) { return (BUS_ALLOC_RESOURCE(device_get_parent(dev), dev, type, rid, start, end, count, flags)); } /* proxying to the parent */ static int siba_bwn_release_resource(device_t dev, device_t child, int type, int rid, struct resource *r) { return (BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, type, rid, r)); } /* proxying to the parent */ static int siba_bwn_setup_intr(device_t dev, device_t child, struct resource *irq, int flags, driver_filter_t *filter, driver_intr_t *intr, void *arg, void **cookiep) { return (BUS_SETUP_INTR(device_get_parent(dev), dev, irq, flags, filter, intr, arg, cookiep)); } /* proxying to the parent */ static int siba_bwn_teardown_intr(device_t dev, device_t child, struct resource *irq, void *cookie) { return (BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie)); } static int siba_bwn_find_extcap(device_t dev, device_t child, int capability, int *capreg) { return (pci_find_extcap(dev, capability, capreg)); } static int siba_bwn_alloc_msi(device_t dev, device_t child, int *count) { struct siba_bwn_softc *ssc; int error; ssc = device_get_softc(dev); if (ssc->ssc_msi_child != NULL) return (EBUSY); error = pci_alloc_msi(dev, count); if (error == 0) ssc->ssc_msi_child = child; return (error); } static int siba_bwn_release_msi(device_t dev, device_t child) { struct siba_bwn_softc *ssc; int error; ssc = device_get_softc(dev); if (ssc->ssc_msi_child != child) return (ENXIO); error = pci_release_msi(dev); if (error == 0) ssc->ssc_msi_child = NULL; return (error); } static int siba_bwn_msi_count(device_t dev, device_t child) { return (pci_msi_count(dev)); } static device_method_t siba_bwn_methods[] = { /* Device interface */ DEVMETHOD(device_probe, siba_bwn_probe), DEVMETHOD(device_attach, siba_bwn_attach), DEVMETHOD(device_detach, siba_bwn_detach), DEVMETHOD(device_shutdown, siba_bwn_shutdown), DEVMETHOD(device_suspend, siba_bwn_suspend), DEVMETHOD(device_resume, siba_bwn_resume), /* Bus interface */ DEVMETHOD(bus_alloc_resource, siba_bwn_alloc_resource), DEVMETHOD(bus_release_resource, siba_bwn_release_resource), DEVMETHOD(bus_setup_intr, siba_bwn_setup_intr), DEVMETHOD(bus_teardown_intr, siba_bwn_teardown_intr), /* PCI interface */ DEVMETHOD(pci_find_extcap, siba_bwn_find_extcap), DEVMETHOD(pci_alloc_msi, siba_bwn_alloc_msi), DEVMETHOD(pci_release_msi, siba_bwn_release_msi), DEVMETHOD(pci_msi_count, siba_bwn_msi_count), { 0,0 } }; static driver_t siba_bwn_driver = { "siba_bwn", siba_bwn_methods, sizeof(struct siba_bwn_softc) }; static devclass_t siba_bwn_devclass; DRIVER_MODULE(siba_bwn, pci, siba_bwn_driver, siba_bwn_devclass, 0, 0); MODULE_VERSION(siba_bwn, 1);