2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13 * redistribution must be conditioned upon including a substantially
14 * similar Disclaimer requirement for further binary redistribution.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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30 #include <sys/cdefs.h>
33 * Driver for the Atheros Wireless LAN controller.
35 * This software is derived from work of Atsushi Onoe; his contribution
36 * is greatly appreciated.
42 * This is needed for register operations which are performed
43 * by the driver - eg, calls to ath_hal_gettsf32().
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/sysctl.h>
52 #include <sys/malloc.h>
54 #include <sys/mutex.h>
55 #include <sys/kernel.h>
56 #include <sys/socket.h>
57 #include <sys/sockio.h>
58 #include <sys/errno.h>
59 #include <sys/callout.h>
61 #include <sys/endian.h>
62 #include <sys/kthread.h>
63 #include <sys/taskqueue.h>
65 #include <sys/module.h>
69 #include <net/if_dl.h>
70 #include <net/if_media.h>
71 #include <net/if_types.h>
72 #include <net/if_arp.h>
73 #include <net/ethernet.h>
74 #include <net/if_llc.h>
76 #include <netproto/802_11/ieee80211_var.h>
77 #include <netproto/802_11/ieee80211_regdomain.h>
78 #ifdef IEEE80211_SUPPORT_SUPERG
79 #include <netproto/802_11/ieee80211_superg.h>
81 #ifdef IEEE80211_SUPPORT_TDMA
82 #include <netproto/802_11/ieee80211_tdma.h>
88 #include <netinet/in.h>
89 #include <netinet/if_ether.h>
92 #include <dev/netif/ath/ath/if_athvar.h>
93 #include <dev/netif/ath/ath_hal/ah_devid.h> /* XXX for softled */
94 #include <dev/netif/ath/ath_hal/ah_diagcodes.h>
96 #include <dev/netif/ath/ath/if_ath_debug.h>
97 #include <dev/netif/ath/ath/if_ath_misc.h>
99 #include <dev/netif/ath/ath/if_ath_led.h>
102 * Software LED driver routines.
106 * XXX TODO: move the LED sysctls here.
111 * Configure the hardware for software and LED blinking.
112 * The user may choose to configure part of each, depending upon the
115 * This requires the configuration to be set before this function
119 ath_led_config(struct ath_softc *sc)
121 /* Software LED blinking - GPIO controlled LED */
122 if (sc->sc_softled) {
123 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin,
124 HAL_GPIO_OUTPUT_MUX_AS_OUTPUT);
125 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, !sc->sc_ledon);
128 /* Hardware LED blinking - MAC controlled LED */
129 if (sc->sc_hardled) {
131 * Only enable each LED if required.
133 * Some NICs only have one LED connected; others may
134 * have GPIO1/GPIO2 connected to other hardware.
136 if (sc->sc_led_pwr_pin > 0)
137 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_led_pwr_pin,
138 HAL_GPIO_OUTPUT_MUX_MAC_POWER_LED);
139 if (sc->sc_led_net_pin > 0)
140 ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_led_net_pin,
141 HAL_GPIO_OUTPUT_MUX_MAC_NETWORK_LED);
146 ath_led_done(void *arg)
148 struct ath_softc *sc = arg;
154 * Turn the LED off: flip the pin and then set a timer so no
155 * update will happen for the specified duration.
158 ath_led_off(void *arg)
160 struct ath_softc *sc = arg;
162 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, !sc->sc_ledon);
163 callout_reset(&sc->sc_ledtimer, sc->sc_ledoff, ath_led_done, sc);
167 * Blink the LED according to the specified on/off times.
170 ath_led_blink(struct ath_softc *sc, int on, int off)
172 DPRINTF(sc, ATH_DEBUG_LED, "%s: on %u off %u\n", __func__, on, off);
173 ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin, sc->sc_ledon);
176 callout_reset(&sc->sc_ledtimer, on, ath_led_off, sc);
180 ath_led_event(struct ath_softc *sc, int rix)
182 sc->sc_ledevent = ticks; /* time of last event */
183 if (sc->sc_blinking) /* don't interrupt active blink */
185 ath_led_blink(sc, sc->sc_hwmap[rix].ledon, sc->sc_hwmap[rix].ledoff);