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1 | /****************************************************************************** |
2 | * | |
6a57b08e | 3 | * Copyright(c) 2009-2012 Realtek Corporation. |
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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 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
17 | * | |
18 | * The full GNU General Public License is included in this distribution in the | |
19 | * file called LICENSE. | |
20 | * | |
21 | * Contact Information: | |
22 | * wlanfae <wlanfae@realtek.com> | |
23 | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | |
24 | * Hsinchu 300, Taiwan. | |
25 | * | |
26 | * Larry Finger <Larry.Finger@lwfinger.net> | |
27 | * | |
28 | *****************************************************************************/ | |
29 | ||
30 | #include "../wifi.h" | |
31 | #include "../pci.h" | |
32 | #include "reg.h" | |
33 | #include "led.h" | |
34 | ||
35 | static void _rtl92ce_init_led(struct ieee80211_hw *hw, | |
36 | struct rtl_led *pled, enum rtl_led_pin ledpin) | |
37 | { | |
38 | pled->hw = hw; | |
39 | pled->ledpin = ledpin; | |
40 | pled->ledon = false; | |
41 | } | |
42 | ||
ab049fbf | 43 | void rtl92de_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled) |
f53d5a70 CL |
44 | { |
45 | u8 ledcfg; | |
46 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
47 | ||
f30d7507 JP |
48 | RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", |
49 | REG_LEDCFG2, pled->ledpin); | |
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50 | |
51 | switch (pled->ledpin) { | |
52 | case LED_PIN_GPIO0: | |
53 | break; | |
54 | case LED_PIN_LED0: | |
55 | ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); | |
56 | ||
57 | if ((rtlpriv->efuse.eeprom_did == 0x8176) || | |
58 | (rtlpriv->efuse.eeprom_did == 0x8193)) | |
59 | /* BIT7 of REG_LEDCFG2 should be set to | |
60 | * make sure we could emit the led2. */ | |
61 | rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | | |
62 | BIT(7) | BIT(5) | BIT(6)); | |
63 | else | |
64 | rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | | |
65 | BIT(7) | BIT(5)); | |
66 | break; | |
67 | case LED_PIN_LED1: | |
68 | ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1); | |
69 | ||
70 | rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5)); | |
71 | break; | |
72 | default: | |
73 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
f30d7507 | 74 | "switch case not processed\n"); |
f53d5a70 CL |
75 | break; |
76 | } | |
77 | pled->ledon = true; | |
78 | } | |
79 | ||
ab049fbf | 80 | void rtl92de_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) |
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81 | { |
82 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
83 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
84 | u8 ledcfg; | |
85 | ||
f30d7507 JP |
86 | RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", |
87 | REG_LEDCFG2, pled->ledpin); | |
f53d5a70 CL |
88 | |
89 | ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); | |
90 | ||
91 | switch (pled->ledpin) { | |
92 | case LED_PIN_GPIO0: | |
93 | break; | |
94 | case LED_PIN_LED0: | |
95 | ledcfg &= 0xf0; | |
9928c7d1 | 96 | if (pcipriv->ledctl.led_opendrain) |
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97 | rtl_write_byte(rtlpriv, REG_LEDCFG2, |
98 | (ledcfg | BIT(1) | BIT(5) | BIT(6))); | |
99 | else | |
100 | rtl_write_byte(rtlpriv, REG_LEDCFG2, | |
101 | (ledcfg | BIT(3) | BIT(5) | BIT(6))); | |
102 | break; | |
103 | case LED_PIN_LED1: | |
104 | ledcfg &= 0x0f; | |
105 | rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3))); | |
106 | break; | |
107 | default: | |
108 | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
f30d7507 | 109 | "switch case not processed\n"); |
f53d5a70 CL |
110 | break; |
111 | } | |
112 | pled->ledon = false; | |
113 | } | |
114 | ||
115 | void rtl92de_init_sw_leds(struct ieee80211_hw *hw) | |
116 | { | |
117 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
118 | _rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0); | |
119 | _rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1); | |
120 | } | |
121 | ||
122 | static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw, | |
123 | enum led_ctl_mode ledaction) | |
124 | { | |
125 | struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); | |
126 | struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0); | |
127 | switch (ledaction) { | |
128 | case LED_CTL_POWER_ON: | |
129 | case LED_CTL_LINK: | |
130 | case LED_CTL_NO_LINK: | |
ab049fbf | 131 | rtl92de_sw_led_on(hw, pLed0); |
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132 | break; |
133 | case LED_CTL_POWER_OFF: | |
ab049fbf | 134 | rtl92de_sw_led_off(hw, pLed0); |
f53d5a70 CL |
135 | break; |
136 | default: | |
137 | break; | |
138 | } | |
139 | } | |
140 | ||
141 | void rtl92de_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction) | |
142 | { | |
143 | struct rtl_priv *rtlpriv = rtl_priv(hw); | |
144 | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
145 | ||
146 | if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && | |
147 | (ledaction == LED_CTL_TX || | |
148 | ledaction == LED_CTL_RX || | |
149 | ledaction == LED_CTL_SITE_SURVEY || | |
150 | ledaction == LED_CTL_LINK || | |
151 | ledaction == LED_CTL_NO_LINK || | |
152 | ledaction == LED_CTL_START_TO_LINK || | |
153 | ledaction == LED_CTL_POWER_ON)) { | |
154 | return; | |
155 | } | |
f30d7507 | 156 | RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction); |
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157 | |
158 | _rtl92ce_sw_led_control(hw, ledaction); | |
159 | } |