Commit | Line | Data |
---|---|---|
8ca151b5 JB |
1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 25 | * in the file called COPYING. |
8ca151b5 JB |
26 | * |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | ||
64 | #include <linux/leds.h> | |
65 | #include "iwl-io.h" | |
66 | #include "iwl-csr.h" | |
67 | #include "mvm.h" | |
68 | ||
69 | /* Set led register on */ | |
70 | static void iwl_mvm_led_enable(struct iwl_mvm *mvm) | |
71 | { | |
72 | iwl_write32(mvm->trans, CSR_LED_REG, CSR_LED_REG_TURN_ON); | |
73 | } | |
74 | ||
75 | /* Set led register off */ | |
76 | static void iwl_mvm_led_disable(struct iwl_mvm *mvm) | |
77 | { | |
78 | iwl_write32(mvm->trans, CSR_LED_REG, CSR_LED_REG_TURN_OFF); | |
79 | } | |
80 | ||
81 | static void iwl_led_brightness_set(struct led_classdev *led_cdev, | |
82 | enum led_brightness brightness) | |
83 | { | |
84 | struct iwl_mvm *mvm = container_of(led_cdev, struct iwl_mvm, led); | |
85 | if (brightness > 0) | |
86 | iwl_mvm_led_enable(mvm); | |
87 | else | |
88 | iwl_mvm_led_disable(mvm); | |
89 | } | |
90 | ||
91 | int iwl_mvm_leds_init(struct iwl_mvm *mvm) | |
92 | { | |
93 | int mode = iwlwifi_mod_params.led_mode; | |
94 | int ret; | |
95 | ||
96 | switch (mode) { | |
97 | case IWL_LED_DEFAULT: | |
98 | case IWL_LED_RF_STATE: | |
99 | mode = IWL_LED_RF_STATE; | |
100 | break; | |
101 | case IWL_LED_DISABLE: | |
102 | IWL_INFO(mvm, "Led disabled\n"); | |
103 | return 0; | |
104 | default: | |
105 | return -EINVAL; | |
106 | }; | |
107 | ||
108 | mvm->led.name = kasprintf(GFP_KERNEL, "%s-led", | |
109 | wiphy_name(mvm->hw->wiphy)); | |
110 | mvm->led.brightness_set = iwl_led_brightness_set; | |
111 | mvm->led.max_brightness = 1; | |
112 | ||
113 | if (mode == IWL_LED_RF_STATE) | |
114 | mvm->led.default_trigger = | |
115 | ieee80211_get_radio_led_name(mvm->hw); | |
116 | ||
117 | ret = led_classdev_register(mvm->trans->dev, &mvm->led); | |
118 | if (ret) { | |
119 | kfree(mvm->led.name); | |
120 | IWL_INFO(mvm, "Failed to enable led\n"); | |
121 | return ret; | |
122 | } | |
123 | ||
124 | return 0; | |
125 | } | |
126 | ||
127 | void iwl_mvm_leds_exit(struct iwl_mvm *mvm) | |
128 | { | |
129 | if (iwlwifi_mod_params.led_mode == IWL_LED_DISABLE) | |
130 | return; | |
131 | ||
132 | led_classdev_unregister(&mvm->led); | |
133 | kfree(mvm->led.name); | |
134 | } |