Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / staging / rtl8188eu / hal / rtl8188eu_led.c
1 /******************************************************************************
2  *
3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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  *
19  ******************************************************************************/
20
21 #include <osdep_service.h>
22 #include <drv_types.h>
23 #include <rtl8188e_hal.h>
24 #include <rtl8188e_led.h>
25 #include <usb_ops_linux.h>
26
27 /*  LED object. */
28
29 /*  LED_819xUsb routines. */
30 /*      Description: */
31 /*              Turn on LED according to LedPin specified. */
32 void SwLedOn(struct adapter *padapter, struct LED_871x *pLed)
33 {
34         u8      LedCfg;
35
36         if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
37                 return;
38         LedCfg = usb_read8(padapter, REG_LEDCFG2);
39         usb_write8(padapter, REG_LEDCFG2, (LedCfg&0xf0)|BIT5|BIT6); /*  SW control led0 on. */
40         pLed->bLedOn = true;
41 }
42
43 /*      Description: */
44 /*              Turn off LED according to LedPin specified. */
45 void SwLedOff(struct adapter *padapter, struct LED_871x *pLed)
46 {
47         u8      LedCfg;
48         struct hal_data_8188e   *pHalData = GET_HAL_DATA(padapter);
49
50         if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
51                 goto exit;
52
53         LedCfg = usb_read8(padapter, REG_LEDCFG2);/* 0x4E */
54
55         if (pHalData->bLedOpenDrain) {
56                         /*  Open-drain arrangement for controlling the LED) */
57                 LedCfg &= 0x90; /*  Set to software control. */
58                 usb_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3));
59                 LedCfg = usb_read8(padapter, REG_MAC_PINMUX_CFG);
60                 LedCfg &= 0xFE;
61                 usb_write8(padapter, REG_MAC_PINMUX_CFG, LedCfg);
62         } else {
63                 usb_write8(padapter, REG_LEDCFG2, (LedCfg|BIT3|BIT5|BIT6));
64         }
65 exit:
66         pLed->bLedOn = false;
67 }
68
69 /*  Interface to manipulate LED objects. */
70 /*  Default LED behavior. */
71
72 /*      Description: */
73 /*              Initialize all LED_871x objects. */
74 void rtl8188eu_InitSwLeds(struct adapter *padapter)
75 {
76         struct led_priv *pledpriv = &(padapter->ledpriv);
77         struct hal_data_8188e   *haldata = GET_HAL_DATA(padapter);
78
79         pledpriv->bRegUseLed = true;
80         pledpriv->LedControlHandler = LedControl8188eu;
81         haldata->bLedOpenDrain = true;
82
83         InitLed871x(padapter, &(pledpriv->SwLed0));
84 }
85
86 /*      Description: */
87 /*              DeInitialize all LED_819xUsb objects. */
88 void rtl8188eu_DeInitSwLeds(struct adapter *padapter)
89 {
90         struct led_priv *ledpriv = &(padapter->ledpriv);
91
92         DeInitLed871x(&(ledpriv->SwLed0));
93 }