2010-01-31 21:18:22 +00:00
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/*-
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* Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* Sonics Silicon Backplane front-end for bwn(4).
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/module.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/errno.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <net/if_media.h>
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#include <net/if_arp.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/siba/siba_ids.h>
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#include <dev/siba/sibareg.h>
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#include <dev/siba/sibavar.h>
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/*
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* PCI glue.
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*/
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struct siba_bwn_softc {
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/* Child driver using MSI. */
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device_t ssc_msi_child;
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struct siba_softc ssc_siba;
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};
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#define BS_BAR 0x10
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#define PCI_VENDOR_BROADCOM 0x14e4
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#define N(a) (sizeof(a) / sizeof(a[0]))
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static const struct siba_dev {
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uint16_t vid;
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uint16_t did;
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const char *desc;
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} siba_devices[] = {
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{ PCI_VENDOR_BROADCOM, 0x4301, "Broadcom BCM4301 802.11b Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4306, "Unknown" },
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{ PCI_VENDOR_BROADCOM, 0x4307, "Broadcom BCM4307 802.11b Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4311, "Broadcom BCM4311 802.11b/g Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4312,
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"Broadcom BCM4312 802.11a/b/g Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4315, "Broadcom BCM4312 802.11b/g Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4318, "Broadcom BCM4318 802.11b/g Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4319,
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"Broadcom BCM4318 802.11a/b/g Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4320, "Broadcom BCM4306 802.11b/g Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4321, "Broadcom BCM4306 802.11a Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4324,
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"Broadcom BCM4309 802.11a/b/g Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4325, "Broadcom BCM4306 802.11b/g Wireless" },
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{ PCI_VENDOR_BROADCOM, 0x4328, "Unknown" },
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{ PCI_VENDOR_BROADCOM, 0x4329, "Unknown" },
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{ PCI_VENDOR_BROADCOM, 0x432b, "Unknown" }
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};
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int siba_core_attach(struct siba_softc *);
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int siba_core_detach(struct siba_softc *);
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int siba_core_suspend(struct siba_softc *);
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int siba_core_resume(struct siba_softc *);
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static int
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siba_bwn_probe(device_t dev)
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{
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int i;
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uint16_t did, vid;
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did = pci_get_device(dev);
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vid = pci_get_vendor(dev);
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for (i = 0; i < N(siba_devices); i++) {
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if (siba_devices[i].did == did && siba_devices[i].vid == vid) {
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device_set_desc(dev, siba_devices[i].desc);
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return (BUS_PROBE_DEFAULT);
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}
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}
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return (ENXIO);
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}
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static int
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siba_bwn_attach(device_t dev)
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{
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struct siba_bwn_softc *ssc = device_get_softc(dev);
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struct siba_softc *siba = &ssc->ssc_siba;
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siba->siba_dev = dev;
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siba->siba_type = SIBA_TYPE_PCI;
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/*
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* Enable bus mastering.
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*/
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pci_enable_busmaster(dev);
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/*
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* Setup memory-mapping of PCI registers.
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*/
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siba->siba_mem_rid = SIBA_PCIR_BAR;
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siba->siba_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
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&siba->siba_mem_rid, RF_ACTIVE);
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if (siba->siba_mem_res == NULL) {
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device_printf(dev, "cannot map register space\n");
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return (ENXIO);
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}
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siba->siba_mem_bt = rman_get_bustag(siba->siba_mem_res);
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siba->siba_mem_bh = rman_get_bushandle(siba->siba_mem_res);
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/* Get more PCI information */
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siba->siba_pci_did = pci_get_device(dev);
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siba->siba_pci_vid = pci_get_vendor(dev);
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siba->siba_pci_subvid = pci_get_subvendor(dev);
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siba->siba_pci_subdid = pci_get_subdevice(dev);
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2010-03-09 19:58:00 +00:00
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siba->siba_pci_revid = pci_get_revid(dev);
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2010-01-31 21:18:22 +00:00
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return (siba_core_attach(siba));
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}
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static int
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siba_bwn_detach(device_t dev)
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{
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struct siba_bwn_softc *ssc = device_get_softc(dev);
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struct siba_softc *siba = &ssc->ssc_siba;
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/* check if device was removed */
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siba->siba_invalid = !bus_child_present(dev);
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pci_disable_busmaster(dev);
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bus_generic_detach(dev);
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siba_core_detach(siba);
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bus_release_resource(dev, SYS_RES_MEMORY, BS_BAR, siba->siba_mem_res);
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return (0);
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}
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static int
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siba_bwn_shutdown(device_t dev)
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{
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device_t *devlistp;
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int devcnt, error = 0, i;
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error = device_get_children(dev, &devlistp, &devcnt);
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if (error != 0)
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return (error);
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for (i = 0 ; i < devcnt ; i++)
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device_shutdown(devlistp[i]);
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free(devlistp, M_TEMP);
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return (0);
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}
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static int
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siba_bwn_suspend(device_t dev)
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{
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struct siba_bwn_softc *ssc = device_get_softc(dev);
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struct siba_softc *siba = &ssc->ssc_siba;
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device_t *devlistp;
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int devcnt, error = 0, i, j;
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error = device_get_children(dev, &devlistp, &devcnt);
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if (error != 0)
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return (error);
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for (i = 0 ; i < devcnt ; i++) {
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error = DEVICE_SUSPEND(devlistp[i]);
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if (error) {
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2011-10-08 12:09:57 +00:00
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for (j = 0; j < i; j++)
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2010-01-31 21:18:22 +00:00
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DEVICE_RESUME(devlistp[j]);
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2011-10-15 22:27:35 +00:00
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free(devlistp, M_TEMP);
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2010-01-31 21:18:22 +00:00
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return (error);
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}
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}
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free(devlistp, M_TEMP);
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return (siba_core_suspend(siba));
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}
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static int
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siba_bwn_resume(device_t dev)
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{
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struct siba_bwn_softc *ssc = device_get_softc(dev);
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struct siba_softc *siba = &ssc->ssc_siba;
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device_t *devlistp;
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int devcnt, error = 0, i;
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error = siba_core_resume(siba);
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if (error != 0)
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return (error);
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error = device_get_children(dev, &devlistp, &devcnt);
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if (error != 0)
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return (error);
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for (i = 0 ; i < devcnt ; i++)
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DEVICE_RESUME(devlistp[i]);
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free(devlistp, M_TEMP);
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return (0);
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}
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/* proxying to the parent */
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static struct resource *
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siba_bwn_alloc_resource(device_t dev, device_t child, int type, int *rid,
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u_long start, u_long end, u_long count, u_int flags)
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{
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return (BUS_ALLOC_RESOURCE(device_get_parent(dev), dev,
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type, rid, start, end, count, flags));
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}
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/* proxying to the parent */
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static int
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siba_bwn_release_resource(device_t dev, device_t child, int type,
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int rid, struct resource *r)
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{
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return (BUS_RELEASE_RESOURCE(device_get_parent(dev), dev, type,
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rid, r));
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}
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/* proxying to the parent */
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static int
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siba_bwn_setup_intr(device_t dev, device_t child, struct resource *irq,
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int flags, driver_filter_t *filter, driver_intr_t *intr, void *arg,
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void **cookiep)
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{
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return (BUS_SETUP_INTR(device_get_parent(dev), dev, irq, flags,
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filter, intr, arg, cookiep));
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}
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/* proxying to the parent */
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static int
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siba_bwn_teardown_intr(device_t dev, device_t child, struct resource *irq,
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void *cookie)
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{
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return (BUS_TEARDOWN_INTR(device_get_parent(dev), dev, irq, cookie));
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}
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static int
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siba_bwn_find_extcap(device_t dev, device_t child, int capability,
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int *capreg)
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{
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return (pci_find_extcap(dev, capability, capreg));
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}
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static int
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siba_bwn_alloc_msi(device_t dev, device_t child, int *count)
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{
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struct siba_bwn_softc *ssc;
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int error;
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ssc = device_get_softc(dev);
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if (ssc->ssc_msi_child != NULL)
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return (EBUSY);
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error = pci_alloc_msi(dev, count);
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if (error == 0)
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ssc->ssc_msi_child = child;
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return (error);
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}
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static int
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siba_bwn_release_msi(device_t dev, device_t child)
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{
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struct siba_bwn_softc *ssc;
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int error;
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ssc = device_get_softc(dev);
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if (ssc->ssc_msi_child != child)
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return (ENXIO);
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error = pci_release_msi(dev);
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if (error == 0)
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ssc->ssc_msi_child = NULL;
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return (error);
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}
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static int
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siba_bwn_msi_count(device_t dev, device_t child)
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{
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return (pci_msi_count(dev));
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}
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2010-03-09 19:58:00 +00:00
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static int
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siba_bwn_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
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{
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struct siba_dev_softc *sd;
|
2010-12-06 10:24:06 +00:00
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struct siba_softc *siba;
|
2010-03-09 19:58:00 +00:00
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sd = device_get_ivars(child);
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siba = sd->sd_bus;
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switch (which) {
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case SIBA_IVAR_VENDOR:
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*result = sd->sd_id.sd_vendor;
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break;
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case SIBA_IVAR_DEVICE:
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*result = sd->sd_id.sd_device;
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break;
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case SIBA_IVAR_REVID:
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*result = sd->sd_id.sd_rev;
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break;
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case SIBA_IVAR_PCI_VENDOR:
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*result = siba->siba_pci_vid;
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break;
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case SIBA_IVAR_PCI_DEVICE:
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*result = siba->siba_pci_did;
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break;
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case SIBA_IVAR_PCI_SUBVENDOR:
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*result = siba->siba_pci_subvid;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_PCI_SUBDEVICE:
|
|
|
|
*result = siba->siba_pci_subdid;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_PCI_REVID:
|
|
|
|
*result = siba->siba_pci_revid;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_CHIPID:
|
|
|
|
*result = siba->siba_chipid;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_CHIPREV:
|
|
|
|
*result = siba->siba_chiprev;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_CHIPPKG:
|
|
|
|
*result = siba->siba_chippkg;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_TYPE:
|
|
|
|
*result = siba->siba_type;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_CC_PMUFREQ:
|
|
|
|
*result = siba->siba_cc.scc_pmu.freq;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_CC_CAPS:
|
|
|
|
*result = siba->siba_cc.scc_caps;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_CC_POWERDELAY:
|
|
|
|
*result = siba->siba_cc.scc_powerup_delay;
|
|
|
|
break;
|
|
|
|
case SIBA_IVAR_PCICORE_REVID:
|
|
|
|
*result = siba->siba_pci.spc_dev->sd_id.sd_rev;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return (ENOENT);
|
|
|
|
}
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
2010-01-31 21:18:22 +00:00
|
|
|
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),
|
2010-03-09 19:58:00 +00:00
|
|
|
DEVMETHOD(bus_read_ivar, siba_bwn_read_ivar),
|
2010-01-31 21:18:22 +00:00
|
|
|
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),
|
|
|
|
|
2011-11-22 21:55:40 +00:00
|
|
|
DEVMETHOD_END
|
2010-01-31 21:18:22 +00:00
|
|
|
};
|
|
|
|
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);
|