6479ef780d
The Linux ath9k btcoex code is based off of this code. Note this doesn't actually implement functional btcoex; there's some driver glue and a whole lot of verification that is required. On the other hand, I do have the AR9285+BT and AR9287+BT NICs which this code supports.. Obtained from: Qualcomm Atheros, Linux ath9k
191 lines
5.1 KiB
C
191 lines
5.1 KiB
C
/*-
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* Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
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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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* Driver for the Atheros Wireless LAN controller.
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*
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* This software is derived from work of Atsushi Onoe; his contribution
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* is greatly appreciated.
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*/
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#include "opt_inet.h"
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#include "opt_ath.h"
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/*
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* This is needed for register operations which are performed
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* by the driver - eg, calls to ath_hal_gettsf32().
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*/
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#include "opt_ah.h"
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#include "opt_wlan.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/sysctl.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/errno.h>
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#include <sys/callout.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/kthread.h>
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#include <sys/taskqueue.h>
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#include <sys/priv.h>
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#include <sys/module.h>
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#include <sys/ktr.h>
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#include <sys/smp.h> /* for mp_ncpus */
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#include <machine/bus.h>
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#include <net/if.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 <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_llc.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_regdomain.h>
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#ifdef IEEE80211_SUPPORT_SUPERG
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#include <net80211/ieee80211_superg.h>
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#endif
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#ifdef IEEE80211_SUPPORT_TDMA
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#include <net80211/ieee80211_tdma.h>
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#endif
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#include <net/bpf.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#endif
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#include <dev/ath/if_athvar.h>
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#include <dev/ath/ath_hal/ah_devid.h> /* XXX for softled */
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#include <dev/ath/ath_hal/ah_diagcodes.h>
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#include <dev/ath/if_ath_debug.h>
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#include <dev/ath/if_ath_misc.h>
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#include <dev/ath/if_ath_led.h>
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/*
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* Software LED driver routines.
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*/
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/*
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* XXX TODO: move the LED sysctls here.
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*/
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/*
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* Configure the hardware for software and LED blinking.
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* The user may choose to configure part of each, depending upon the
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* NIC being used.
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*
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* This requires the configuration to be set before this function
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* is called.
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*/
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void
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ath_led_config(struct ath_softc *sc)
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{
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/* Software LED blinking - GPIO controlled LED */
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if (sc->sc_softled) {
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ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin,
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HAL_GPIO_OUTPUT_MUX_AS_OUTPUT);
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ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, !sc->sc_ledon);
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}
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/* Hardware LED blinking - MAC controlled LED */
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if (sc->sc_hardled) {
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/*
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* Only enable each LED if required.
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*
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* Some NICs only have one LED connected; others may
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* have GPIO1/GPIO2 connected to other hardware.
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*/
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if (sc->sc_led_pwr_pin > 0)
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ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_led_pwr_pin,
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HAL_GPIO_OUTPUT_MUX_MAC_POWER_LED);
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if (sc->sc_led_net_pin > 0)
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ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_led_net_pin,
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HAL_GPIO_OUTPUT_MUX_MAC_NETWORK_LED);
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}
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}
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static void
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ath_led_done(void *arg)
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{
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struct ath_softc *sc = arg;
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sc->sc_blinking = 0;
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}
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/*
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* Turn the LED off: flip the pin and then set a timer so no
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* update will happen for the specified duration.
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*/
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static void
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ath_led_off(void *arg)
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{
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struct ath_softc *sc = arg;
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ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, !sc->sc_ledon);
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callout_reset(&sc->sc_ledtimer, sc->sc_ledoff, ath_led_done, sc);
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}
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/*
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* Blink the LED according to the specified on/off times.
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*/
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static void
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ath_led_blink(struct ath_softc *sc, int on, int off)
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{
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DPRINTF(sc, ATH_DEBUG_LED, "%s: on %u off %u\n", __func__, on, off);
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ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, sc->sc_ledon);
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sc->sc_blinking = 1;
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sc->sc_ledoff = off;
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callout_reset(&sc->sc_ledtimer, on, ath_led_off, sc);
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}
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void
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ath_led_event(struct ath_softc *sc, int rix)
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{
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sc->sc_ledevent = ticks; /* time of last event */
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if (sc->sc_blinking) /* don't interrupt active blink */
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return;
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ath_led_blink(sc, sc->sc_hwmap[rix].ledon, sc->sc_hwmap[rix].ledoff);
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}
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