| /* |
| * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting |
| * Copyright (c) 2004-2005 Atheros Communications, Inc. |
| * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com> |
| * Copyright (c) 2009 Bob Copeland <me@bobcopeland.com> |
| * |
| * 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. |
| * |
| */ |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #include <linux/pci.h> |
| #include "ath5k.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) }, |
| /* BenQ Joybook R55v (nowymarluk@wp.pl) */ |
| { ATH_SDEVICE(PCI_VENDOR_ID_QMI, 0x0100), ATH_LED(1, 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 CQ60-206US (ddreggors@jumptv.com) */ |
| { ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137a), ATH_LED(3, 1) }, |
| /* HP Compaq C700 (nitrousnrg@gmail.com) */ |
| { ATH_SDEVICE(PCI_VENDOR_ID_HP, 0x0137b), ATH_LED(3, 0) }, |
| /* LiteOn AR5BXB63 (magooz@salug.it) */ |
| { ATH_SDEVICE(PCI_VENDOR_ID_ATHEROS, 0x3067), ATH_LED(3, 0) }, |
| /* IBM-specific AR5212 (all others) */ |
| { PCI_VDEVICE(ATHEROS, PCI_DEVICE_ID_ATHEROS_AR5212_IBM), ATH_LED(0, 0) }, |
| /* Dell Vostro A860 (shahar@shahar-or.co.il) */ |
| { ATH_SDEVICE(PCI_VENDOR_ID_QMI, 0x0112), ATH_LED(3, 0) }, |
| { } |
| }; |
| |
| void ath5k_led_enable(struct ath5k_hw *ah) |
| { |
| if (IS_ENABLED(CONFIG_MAC80211_LEDS) && |
| test_bit(ATH_STAT_LEDSOFT, ah->status)) { |
| ath5k_hw_set_gpio_output(ah, ah->led_pin); |
| ath5k_led_off(ah); |
| } |
| } |
| |
| static void ath5k_led_on(struct ath5k_hw *ah) |
| { |
| if (!test_bit(ATH_STAT_LEDSOFT, ah->status)) |
| return; |
| ath5k_hw_set_gpio(ah, ah->led_pin, ah->led_on); |
| } |
| |
| void ath5k_led_off(struct ath5k_hw *ah) |
| { |
| if (!IS_ENABLED(CONFIG_MAC80211_LEDS) || |
| !test_bit(ATH_STAT_LEDSOFT, ah->status)) |
| return; |
| ath5k_hw_set_gpio(ah, ah->led_pin, !ah->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->ah); |
| else |
| ath5k_led_on(led->ah); |
| } |
| |
| static int |
| ath5k_register_led(struct ath5k_hw *ah, struct ath5k_led *led, |
| const char *name, const char *trigger) |
| { |
| int err; |
| |
| led->ah = ah; |
| strncpy(led->name, name, sizeof(led->name)); |
| led->name[sizeof(led->name)-1] = 0; |
| 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(ah->dev, &led->led_dev); |
| if (err) { |
| ATH5K_WARN(ah, "could not register LED %s\n", name); |
| led->ah = NULL; |
| } |
| return err; |
| } |
| |
| static void |
| ath5k_unregister_led(struct ath5k_led *led) |
| { |
| if (!IS_ENABLED(CONFIG_MAC80211_LEDS) || !led->ah) |
| return; |
| led_classdev_unregister(&led->led_dev); |
| ath5k_led_off(led->ah); |
| led->ah = NULL; |
| } |
| |
| void ath5k_unregister_leds(struct ath5k_hw *ah) |
| { |
| ath5k_unregister_led(&ah->rx_led); |
| ath5k_unregister_led(&ah->tx_led); |
| } |
| |
| int ath5k_init_leds(struct ath5k_hw *ah) |
| { |
| int ret = 0; |
| struct ieee80211_hw *hw = ah->hw; |
| #ifndef CONFIG_ATH5K_AHB |
| struct pci_dev *pdev = ah->pdev; |
| #endif |
| char name[ATH5K_LED_MAX_NAME_LEN + 1]; |
| const struct pci_device_id *match; |
| |
| if (!IS_ENABLED(CONFIG_MAC80211_LEDS) || !ah->pdev) |
| return 0; |
| |
| #ifdef CONFIG_ATH5K_AHB |
| match = NULL; |
| #else |
| match = pci_match_id(&ath5k_led_devices[0], pdev); |
| #endif |
| if (match) { |
| __set_bit(ATH_STAT_LEDSOFT, ah->status); |
| ah->led_pin = ATH_PIN(match->driver_data); |
| ah->led_on = ATH_POLARITY(match->driver_data); |
| } |
| |
| if (!test_bit(ATH_STAT_LEDSOFT, ah->status)) |
| goto out; |
| |
| ath5k_led_enable(ah); |
| |
| snprintf(name, sizeof(name), "ath5k-%s::rx", wiphy_name(hw->wiphy)); |
| ret = ath5k_register_led(ah, &ah->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(ah, &ah->tx_led, name, |
| ieee80211_get_tx_led_name(hw)); |
| out: |
| return ret; |
| } |
| |
