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gerrit-public.fairphone.software / kernel / msm-4.9 / fc1e2c8ea85e109acf09e74789e9b852f6eed251 / . / drivers / net / wireless / realtek / rtlwifi / rtl8723be / led.c
blob: 4196efb723a224a5c27cb9523558e3809916c9e8 [file] [log] [blame]
Larry Fingera619d1a2014-02-28 15:16:50 -0600[diff] [blame]1/******************************************************************************
2 *
3 * Copyright(c) 2009-2014 Realtek Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
16 *
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
21 *
22 * Larry Finger <Larry.Finger@lwfinger.net>
23 *
24 *****************************************************************************/
25
26#include "../wifi.h"
27#include "../pci.h"
28#include "reg.h"
29#include "led.h"
30
31static void _rtl8723be_init_led(struct ieee80211_hw *hw, struct rtl_led *pled,
32 enum rtl_led_pin ledpin)
33{
34 pled->hw = hw;
35 pled->ledpin = ledpin;
36 pled->ledon = false;
37}
38
39void rtl8723be_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
40{
41 u8 ledcfg;
42 struct rtl_priv *rtlpriv = rtl_priv(hw);
43
44 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
Larry Finger5c99f042014-09-26 16:40:25 -0500[diff] [blame]45 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
Larry Fingera619d1a2014-02-28 15:16:50 -0600[diff] [blame]46
47 switch (pled->ledpin) {
48 case LED_PIN_GPIO0:
49 break;
50 case LED_PIN_LED0:
51 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
52 ledcfg &= ~BIT(6);
53 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
54 break;
55 case LED_PIN_LED1:
56 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
57 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
58 break;
59 default:
60 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
61 "switch case not process\n");
62 break;
63 }
64 pled->ledon = true;
65}
66
67void rtl8723be_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
68{
69 struct rtl_priv *rtlpriv = rtl_priv(hw);
70 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
71 u8 ledcfg;
72
73 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
Larry Finger5c99f042014-09-26 16:40:25 -0500[diff] [blame]74 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
Larry Fingera619d1a2014-02-28 15:16:50 -0600[diff] [blame]75
76 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
77
78 switch (pled->ledpin) {
79 case LED_PIN_GPIO0:
80 break;
81 case LED_PIN_LED0:
82 ledcfg &= 0xf0;
83 if (pcipriv->ledctl.led_opendrain) {
84 ledcfg &= 0x90; /* Set to software control. */
85 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
86 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
87 ledcfg &= 0xFE;
88 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
89 } else {
90 ledcfg &= ~BIT(6);
91 rtl_write_byte(rtlpriv, REG_LEDCFG2,
92 (ledcfg | BIT(3) | BIT(5)));
93 }
94 break;
95 case LED_PIN_LED1:
96 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
97 ledcfg &= 0x10; /* Set to software control. */
98 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
99
100 break;
101 default:
102 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
Larry Finger5c99f042014-09-26 16:40:25 -0500[diff] [blame]103 "switch case not process\n");
Larry Fingera619d1a2014-02-28 15:16:50 -0600[diff] [blame]104 break;
105 }
106 pled->ledon = false;
107}
108
109void rtl8723be_init_sw_leds(struct ieee80211_hw *hw)
110{
111 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
112 _rtl8723be_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0);
113 _rtl8723be_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1);
114}
115
116static void _rtl8723be_sw_led_control(struct ieee80211_hw *hw,
117 enum led_ctl_mode ledaction)
118{
119 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
120 struct rtl_led *pled0 = &(pcipriv->ledctl.sw_led0);
121 switch (ledaction) {
122 case LED_CTL_POWER_ON:
123 case LED_CTL_LINK:
124 case LED_CTL_NO_LINK:
125 rtl8723be_sw_led_on(hw, pled0);
126 break;
127 case LED_CTL_POWER_OFF:
128 rtl8723be_sw_led_off(hw, pled0);
129 break;
130 default:
131 break;
132 }
133}
134
135void rtl8723be_led_control(struct ieee80211_hw *hw,
136 enum led_ctl_mode ledaction)
137{
138 struct rtl_priv *rtlpriv = rtl_priv(hw);
139 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
140
141 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
142 (ledaction == LED_CTL_TX ||
143 ledaction == LED_CTL_RX ||
144 ledaction == LED_CTL_SITE_SURVEY ||
145 ledaction == LED_CTL_LINK ||
146 ledaction == LED_CTL_NO_LINK ||
147 ledaction == LED_CTL_START_TO_LINK ||
148 ledaction == LED_CTL_POWER_ON)) {
149 return;
150 }
151 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
152 _rtl8723be_sw_led_control(hw, ledaction);
153}