/* * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting * Copyright (c) 2004-2005 Atheros Communications, Inc. * Copyright (c) 2007 Jiri Slaby * Copyright (c) 2009 Bob Copeland * * 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. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * 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 #include "ath5k.h" #include "base.h" #define ATH_SDEVICE(subv,subd) \ .vendor = PCI_ANY_ID, .device = PCI_ANY_ID, \ .subvendor = (subv), .subdevice = (subd) #define ATH_LED(pin,polarity) .driver_data = (((pin) << 8) | (polarity)) #define ATH_PIN(data) ((data) >> 8) #define ATH_POLARITY(data) ((data) & 0xff) /* Devices we match on for LED config info (typically laptops) */ static const struct pci_device_id ath5k_led_devices[] = { /* AR5211 */ { PCI_VDEVICE(ATHEROS, PCI_DEVICE_ID_ATHEROS_AR5211), ATH_LED(0, 0) }, /* HP Compaq nc6xx, nc4000, nx6000 */ { ATH_SDEVICE(PCI_VENDOR_ID_COMPAQ, PCI_ANY_ID), ATH_LED(1, 1) }, /* Acer Aspire One A150 (maximlevitsky@gmail.com) */ { ATH_SDEVICE(PCI_VENDOR_ID_FOXCONN, 0xe008), ATH_LED(3, 0) }, /* Acer Aspire One AO531h AO751h (keng-yu.lin@canonical.com) */ { ATH_SDEVICE(PCI_VENDOR_ID_FOXCONN, 0xe00d), ATH_LED(3, 0) }, /* Acer Ferrari 5000 (russ.dill@gmail.com) */ { ATH_SDEVICE(PCI_VENDOR_ID_AMBIT, 0x0422), ATH_LED(1, 1) }, /* E-machines E510 (tuliom@gmail.com) */ { ATH_SDEVICE(PCI_VENDOR_ID_AMBIT, 0x0428), ATH_LED(3, 0) }, /* Acer Extensa 5620z (nekoreeve@gmail.com) */ { ATH_SDEVICE(PCI_VENDOR_ID_QMI, 0x0105), ATH_LED(3, 0) }, /* Fukato Datacask Jupiter 1014a (mrb74@gmx.at) */ { ATH_SDEVICE(PCI_VENDOR_ID_AZWAVE, 0x1026), ATH_LED(3, 0) }, /* IBM ThinkPad AR5BXB6 (legovini@spiro.fisica.unipd.it) */ { ATH_SDEVICE(PCI_VENDOR_ID_IBM, 0x058a), ATH_LED(1, 0) }, /* HP Compaq C700 (nitrousnrg@gmail.com) */ { ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137b), ATH_LED(3, 1) }, /* IBM-specific AR5212 (all others) */ { PCI_VDEVICE(ATHEROS, PCI_DEVICE_ID_ATHEROS_AR5212_IBM), ATH_LED(0, 0) }, { } }; void ath5k_led_enable(struct ath5k_softc *sc) { if (test_bit(ATH_STAT_LEDSOFT, sc->status)) { ath5k_hw_set_gpio_output(sc->ah, sc->led_pin); ath5k_led_off(sc); } } static void ath5k_led_on(struct ath5k_softc *sc) { if (!test_bit(ATH_STAT_LEDSOFT, sc->status)) return; ath5k_hw_set_gpio(sc->ah, sc->led_pin, sc->led_on); } void ath5k_led_off(struct ath5k_softc *sc) { if (!test_bit(ATH_STAT_LEDSOFT, sc->status)) return; ath5k_hw_set_gpio(sc->ah, sc->led_pin, !sc->led_on); } static void ath5k_led_brightness_set(struct led_classdev *led_dev, enum led_brightness brightness) { struct ath5k_led *led = container_of(led_dev, struct ath5k_led, led_dev); if (brightness == LED_OFF) ath5k_led_off(led->sc); else ath5k_led_on(led->sc); } static int ath5k_register_led(struct ath5k_softc *sc, struct ath5k_led *led, const char *name, char *trigger) { int err; led->sc = sc; strncpy(led->name, name, sizeof(led->name)); led->led_dev.name = led->name; led->led_dev.default_trigger = trigger; led->led_dev.brightness_set = ath5k_led_brightness_set; err = led_classdev_register(&sc->pdev->dev, &led->led_dev); if (err) { ATH5K_WARN(sc, "could not register LED %s\n", name); led->sc = NULL; } return err; } static void ath5k_unregister_led(struct ath5k_led *led) { if (!led->sc) return; led_classdev_unregister(&led->led_dev); ath5k_led_off(led->sc); led->sc = NULL; } void ath5k_unregister_leds(struct ath5k_softc *sc) { ath5k_unregister_led(&sc->rx_led); ath5k_unregister_led(&sc->tx_led); } int ath5k_init_leds(struct ath5k_softc *sc) { int ret = 0; struct ieee80211_hw *hw = sc->hw; struct pci_dev *pdev = sc->pdev; char name[ATH5K_LED_MAX_NAME_LEN + 1]; const struct pci_device_id *match; match = pci_match_id(&ath5k_led_devices[0], pdev); if (match) { __set_bit(ATH_STAT_LEDSOFT, sc->status); sc->led_pin = ATH_PIN(match->driver_data); sc->led_on = ATH_POLARITY(match->driver_data); } if (!test_bit(ATH_STAT_LEDSOFT, sc->status)) goto out; ath5k_led_enable(sc); snprintf(name, sizeof(name), "ath5k-%s::rx", wiphy_name(hw->wiphy)); ret = ath5k_register_led(sc, &sc->rx_led, name, ieee80211_get_rx_led_name(hw)); if (ret) goto out; snprintf(name, sizeof(name), "ath5k-%s::tx", wiphy_name(hw->wiphy)); ret = ath5k_register_led(sc, &sc->tx_led, name, ieee80211_get_tx_led_name(hw)); out: return ret; }