2 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
3 * Copyright (c) 2004-2005 Atheros Communications, Inc.
4 * Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
5 * Copyright (c) 2009 Bob Copeland <me@bobcopeland.com>
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer,
14 * without modification.
15 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
16 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
17 * redistribution must be conditioned upon including a substantially
18 * similar Disclaimer requirement for further binary redistribution.
19 * 3. Neither the names of the above-listed copyright holders nor the names
20 * of any contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
23 * Alternatively, this software may be distributed under the terms of the
24 * GNU General Public License ("GPL") version 2 as published by the Free
25 * Software Foundation.
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
31 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
33 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
36 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
38 * THE POSSIBILITY OF SUCH DAMAGES.
42 #include <linux/pci.h>
46 #define ATH_SDEVICE(subv,subd) \
47 .vendor = PCI_ANY_ID, .device = PCI_ANY_ID, \
48 .subvendor = (subv), .subdevice = (subd)
50 #define ATH_LED(pin,polarity) .driver_data = (((pin) << 8) | (polarity))
51 #define ATH_PIN(data) ((data) >> 8)
52 #define ATH_POLARITY(data) ((data) & 0xff)
54 /* Devices we match on for LED config info (typically laptops) */
55 static const struct pci_device_id ath5k_led_devices
[] = {
57 { PCI_VDEVICE(ATHEROS
, PCI_DEVICE_ID_ATHEROS_AR5211
), ATH_LED(0, 0) },
58 /* HP Compaq nc6xx, nc4000, nx6000 */
59 { ATH_SDEVICE(PCI_VENDOR_ID_COMPAQ
, PCI_ANY_ID
), ATH_LED(1, 1) },
60 /* Acer Aspire One A150 (maximlevitsky@gmail.com) */
61 { ATH_SDEVICE(PCI_VENDOR_ID_FOXCONN
, 0xe008), ATH_LED(3, 0) },
62 /* Acer Ferrari 5000 (russ.dill@gmail.com) */
63 { ATH_SDEVICE(PCI_VENDOR_ID_AMBIT
, 0x0422), ATH_LED(1, 1) },
64 /* E-machines E510 (tuliom@gmail.com) */
65 { ATH_SDEVICE(PCI_VENDOR_ID_AMBIT
, 0x0428), ATH_LED(3, 0) },
66 /* Acer Extensa 5620z (nekoreeve@gmail.com) */
67 { ATH_SDEVICE(PCI_VENDOR_ID_QMI
, 0x0105), ATH_LED(3, 0) },
68 /* Fukato Datacask Jupiter 1014a (mrb74@gmx.at) */
69 { ATH_SDEVICE(PCI_VENDOR_ID_AZWAVE
, 0x1026), ATH_LED(3, 0) },
70 /* IBM ThinkPad AR5BXB6 (legovini@spiro.fisica.unipd.it) */
71 { ATH_SDEVICE(PCI_VENDOR_ID_IBM
, 0x058a), ATH_LED(1, 0) },
72 /* IBM-specific AR5212 (all others) */
73 { PCI_VDEVICE(ATHEROS
, PCI_DEVICE_ID_ATHEROS_AR5212_IBM
), ATH_LED(0, 0) },
77 void ath5k_led_enable(struct ath5k_softc
*sc
)
79 if (test_bit(ATH_STAT_LEDSOFT
, sc
->status
)) {
80 ath5k_hw_set_gpio_output(sc
->ah
, sc
->led_pin
);
85 static void ath5k_led_on(struct ath5k_softc
*sc
)
87 if (!test_bit(ATH_STAT_LEDSOFT
, sc
->status
))
89 ath5k_hw_set_gpio(sc
->ah
, sc
->led_pin
, sc
->led_on
);
92 void ath5k_led_off(struct ath5k_softc
*sc
)
94 if (!test_bit(ATH_STAT_LEDSOFT
, sc
->status
))
96 ath5k_hw_set_gpio(sc
->ah
, sc
->led_pin
, !sc
->led_on
);
100 ath5k_led_brightness_set(struct led_classdev
*led_dev
,
101 enum led_brightness brightness
)
103 struct ath5k_led
*led
= container_of(led_dev
, struct ath5k_led
,
106 if (brightness
== LED_OFF
)
107 ath5k_led_off(led
->sc
);
109 ath5k_led_on(led
->sc
);
113 ath5k_register_led(struct ath5k_softc
*sc
, struct ath5k_led
*led
,
114 const char *name
, char *trigger
)
119 strncpy(led
->name
, name
, sizeof(led
->name
));
120 led
->led_dev
.name
= led
->name
;
121 led
->led_dev
.default_trigger
= trigger
;
122 led
->led_dev
.brightness_set
= ath5k_led_brightness_set
;
124 err
= led_classdev_register(&sc
->pdev
->dev
, &led
->led_dev
);
126 ATH5K_WARN(sc
, "could not register LED %s\n", name
);
133 ath5k_unregister_led(struct ath5k_led
*led
)
137 led_classdev_unregister(&led
->led_dev
);
138 ath5k_led_off(led
->sc
);
142 void ath5k_unregister_leds(struct ath5k_softc
*sc
)
144 ath5k_unregister_led(&sc
->rx_led
);
145 ath5k_unregister_led(&sc
->tx_led
);
148 int ath5k_init_leds(struct ath5k_softc
*sc
)
151 struct ieee80211_hw
*hw
= sc
->hw
;
152 struct pci_dev
*pdev
= sc
->pdev
;
153 char name
[ATH5K_LED_MAX_NAME_LEN
+ 1];
154 const struct pci_device_id
*match
;
156 match
= pci_match_id(&ath5k_led_devices
[0], pdev
);
158 __set_bit(ATH_STAT_LEDSOFT
, sc
->status
);
159 sc
->led_pin
= ATH_PIN(match
->driver_data
);
160 sc
->led_on
= ATH_POLARITY(match
->driver_data
);
163 if (!test_bit(ATH_STAT_LEDSOFT
, sc
->status
))
166 ath5k_led_enable(sc
);
168 snprintf(name
, sizeof(name
), "ath5k-%s::rx", wiphy_name(hw
->wiphy
));
169 ret
= ath5k_register_led(sc
, &sc
->rx_led
, name
,
170 ieee80211_get_rx_led_name(hw
));
174 snprintf(name
, sizeof(name
), "ath5k-%s::tx", wiphy_name(hw
->wiphy
));
175 ret
= ath5k_register_led(sc
, &sc
->tx_led
, name
,
176 ieee80211_get_tx_led_name(hw
));