4310d6deb2
Thanks to ray@, Sevan and Sergey Dyatko for feedback and testing! Obtained from: OpenBSD MFC after: 3 weeks
319 lines
7.7 KiB
C
319 lines
7.7 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2005, 2006
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* Damien Bergamini <damien.bergamini@free.fr>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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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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* PCI/Cardbus front-end for the Ralink RT2560/RT2561/RT2561S/RT2661 driver.
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*/
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/sockio.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/bpf.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <net80211/ieee80211_amrr.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/ral/rt2560var.h>
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#include <dev/ral/rt2661var.h>
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#include <dev/ral/rt2860var.h>
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MODULE_DEPEND(ral, pci, 1, 1, 1);
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MODULE_DEPEND(ral, firmware, 1, 1, 1);
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MODULE_DEPEND(ral, wlan, 1, 1, 1);
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MODULE_DEPEND(ral, wlan_amrr, 1, 1, 1);
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struct ral_pci_ident {
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uint16_t vendor;
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uint16_t device;
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const char *name;
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};
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static const struct ral_pci_ident ral_pci_ids[] = {
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{ 0x1432, 0x7708, "Edimax RT2860" },
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{ 0x1432, 0x7711, "Edimax RT3591" },
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{ 0x1432, 0x7722, "Edimax RT3591" },
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{ 0x1432, 0x7727, "Edimax RT2860" },
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{ 0x1432, 0x7728, "Edimax RT2860" },
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{ 0x1432, 0x7738, "Edimax RT2860" },
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{ 0x1432, 0x7748, "Edimax RT2860" },
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{ 0x1432, 0x7758, "Edimax RT2860" },
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{ 0x1432, 0x7768, "Edimax RT2860" },
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{ 0x1462, 0x891a, "MSI RT3090" },
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{ 0x1814, 0x0201, "Ralink Technology RT2560" },
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{ 0x1814, 0x0301, "Ralink Technology RT2561S" },
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{ 0x1814, 0x0302, "Ralink Technology RT2561" },
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{ 0x1814, 0x0401, "Ralink Technology RT2661" },
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{ 0x1814, 0x0601, "Ralink Technology RT2860" },
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{ 0x1814, 0x0681, "Ralink Technology RT2890" },
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{ 0x1814, 0x0701, "Ralink Technology RT2760" },
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{ 0x1814, 0x0781, "Ralink Technology RT2790" },
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{ 0x1814, 0x3060, "Ralink Technology RT3060" },
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{ 0x1814, 0x3062, "Ralink Technology RT3062" },
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{ 0x1814, 0x3090, "Ralink Technology RT3090" },
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{ 0x1814, 0x3091, "Ralink Technology RT3091" },
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{ 0x1814, 0x3092, "Ralink Technology RT3092" },
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{ 0x1814, 0x3390, "Ralink Technology RT3390" },
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{ 0x1814, 0x3562, "Ralink Technology RT3562" },
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{ 0x1814, 0x3592, "Ralink Technology RT3592" },
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{ 0x1814, 0x3593, "Ralink Technology RT3593" },
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{ 0x1814, 0x5390, "Ralink Technology RT5390" },
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{ 0x1814, 0x539a, "Ralink Technology RT5390" },
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{ 0x1814, 0x539f, "Ralink Technology RT5390" },
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{ 0x1a3b, 0x1059, "AWT RT2890" },
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{ 0, 0, NULL }
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};
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static struct ral_opns {
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int (*attach)(device_t, int);
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int (*detach)(void *);
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void (*shutdown)(void *);
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void (*suspend)(void *);
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void (*resume)(void *);
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void (*intr)(void *);
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} ral_rt2560_opns = {
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rt2560_attach,
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rt2560_detach,
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rt2560_stop,
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rt2560_stop,
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rt2560_resume,
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rt2560_intr
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}, ral_rt2661_opns = {
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rt2661_attach,
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rt2661_detach,
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rt2661_shutdown,
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rt2661_suspend,
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rt2661_resume,
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rt2661_intr
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}, ral_rt2860_opns = {
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rt2860_attach,
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rt2860_detach,
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rt2860_shutdown,
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rt2860_suspend,
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rt2860_resume,
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rt2860_intr
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};
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struct ral_pci_softc {
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union {
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struct rt2560_softc sc_rt2560;
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struct rt2661_softc sc_rt2661;
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struct rt2860_softc sc_rt2860;
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} u;
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struct ral_opns *sc_opns;
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int irq_rid;
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int mem_rid;
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struct resource *irq;
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struct resource *mem;
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void *sc_ih;
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};
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static int ral_pci_probe(device_t);
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static int ral_pci_attach(device_t);
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static int ral_pci_detach(device_t);
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static int ral_pci_shutdown(device_t);
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static int ral_pci_suspend(device_t);
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static int ral_pci_resume(device_t);
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static device_method_t ral_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ral_pci_probe),
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DEVMETHOD(device_attach, ral_pci_attach),
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DEVMETHOD(device_detach, ral_pci_detach),
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DEVMETHOD(device_shutdown, ral_pci_shutdown),
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DEVMETHOD(device_suspend, ral_pci_suspend),
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DEVMETHOD(device_resume, ral_pci_resume),
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{ 0, 0 }
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};
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static driver_t ral_pci_driver = {
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"ral",
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ral_pci_methods,
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sizeof (struct ral_pci_softc)
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};
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static devclass_t ral_devclass;
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DRIVER_MODULE(ral, pci, ral_pci_driver, ral_devclass, 0, 0);
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static int
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ral_pci_probe(device_t dev)
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{
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const struct ral_pci_ident *ident;
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for (ident = ral_pci_ids; ident->name != NULL; ident++) {
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if (pci_get_vendor(dev) == ident->vendor &&
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pci_get_device(dev) == ident->device) {
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device_set_desc(dev, ident->name);
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return 0;
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}
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}
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return ENXIO;
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}
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/* Base Address Register */
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#define RAL_PCI_BAR0 0x10
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static int
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ral_pci_attach(device_t dev)
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{
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struct ral_pci_softc *psc = device_get_softc(dev);
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struct rt2560_softc *sc = &psc->u.sc_rt2560;
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int error;
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if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
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device_printf(dev, "chip is in D%d power mode "
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"-- setting to D0\n", pci_get_powerstate(dev));
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pci_set_powerstate(dev, PCI_POWERSTATE_D0);
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}
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/* enable bus-mastering */
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pci_enable_busmaster(dev);
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switch (pci_get_device(dev)) {
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case 0x0201:
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psc->sc_opns = &ral_rt2560_opns;
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break;
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case 0x0301:
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case 0x0302:
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case 0x0401:
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psc->sc_opns = &ral_rt2661_opns;
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break;
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default:
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psc->sc_opns = &ral_rt2860_opns;
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break;
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}
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psc->mem_rid = RAL_PCI_BAR0;
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psc->mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &psc->mem_rid,
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RF_ACTIVE);
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if (psc->mem == NULL) {
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device_printf(dev, "could not allocate memory resource\n");
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return ENXIO;
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}
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sc->sc_st = rman_get_bustag(psc->mem);
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sc->sc_sh = rman_get_bushandle(psc->mem);
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sc->sc_invalid = 1;
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psc->irq_rid = 0;
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psc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &psc->irq_rid,
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RF_ACTIVE | RF_SHAREABLE);
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if (psc->irq == NULL) {
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device_printf(dev, "could not allocate interrupt resource\n");
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return ENXIO;
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}
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error = (*psc->sc_opns->attach)(dev, pci_get_device(dev));
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if (error != 0)
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return error;
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/*
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* Hook our interrupt after all initialization is complete.
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*/
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error = bus_setup_intr(dev, psc->irq, INTR_TYPE_NET | INTR_MPSAFE,
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NULL, psc->sc_opns->intr, psc, &psc->sc_ih);
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if (error != 0) {
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device_printf(dev, "could not set up interrupt\n");
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return error;
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}
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sc->sc_invalid = 0;
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return 0;
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}
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static int
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ral_pci_detach(device_t dev)
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{
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struct ral_pci_softc *psc = device_get_softc(dev);
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struct rt2560_softc *sc = &psc->u.sc_rt2560;
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/* check if device was removed */
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sc->sc_invalid = !bus_child_present(dev);
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(*psc->sc_opns->detach)(psc);
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bus_generic_detach(dev);
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bus_teardown_intr(dev, psc->irq, psc->sc_ih);
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bus_release_resource(dev, SYS_RES_IRQ, psc->irq_rid, psc->irq);
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bus_release_resource(dev, SYS_RES_MEMORY, psc->mem_rid, psc->mem);
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return 0;
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}
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static int
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ral_pci_shutdown(device_t dev)
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{
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struct ral_pci_softc *psc = device_get_softc(dev);
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(*psc->sc_opns->shutdown)(psc);
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return 0;
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}
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static int
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ral_pci_suspend(device_t dev)
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{
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struct ral_pci_softc *psc = device_get_softc(dev);
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(*psc->sc_opns->suspend)(psc);
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return 0;
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}
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static int
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ral_pci_resume(device_t dev)
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{
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struct ral_pci_softc *psc = device_get_softc(dev);
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(*psc->sc_opns->resume)(psc);
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return 0;
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}
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