[deliverable/linux.git] / drivers / net / wireless / realtek / rtlwifi / rtl8723ae / led.c

/******************************************************************************
 *
 * Copyright(c) 2009-2012  Realtek Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 *****************************************************************************/

#include "../wifi.h"
#include "../pci.h"
#include "reg.h"
#include "led.h"

static void _rtl8723e_init_led(struct ieee80211_hw *hw,
			       struct rtl_led *pled, enum rtl_led_pin ledpin)
{
	pled->hw = hw;
	pled->ledpin = ledpin;
	pled->ledon = false;
}

void rtl8723e_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
{
	u8 ledcfg;
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
		 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);

	switch (pled->ledpin) {
	case LED_PIN_GPIO0:
		break;
	case LED_PIN_LED0:
		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
		ledcfg &= ~BIT(6);
		rtl_write_byte(rtlpriv,
			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
		break;
	case LED_PIN_LED1:
		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
		break;
	default:
		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
			 "switch case not process\n");
		break;
	}
	pled->ledon = true;
}

void rtl8723e_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
	u8 ledcfg;

	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
		 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);

	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);

	switch (pled->ledpin) {
	case LED_PIN_GPIO0:
		break;
	case LED_PIN_LED0:
		ledcfg &= 0xf0;
		if (pcipriv->ledctl.led_opendrain) {
			ledcfg &= 0x90; /* Set to software control. */
			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
			ledcfg &= 0xFE;
			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
		} else {
			ledcfg &= ~BIT(6);
			rtl_write_byte(rtlpriv, REG_LEDCFG2,
					(ledcfg | BIT(3) | BIT(5)));
		}
		break;
	case LED_PIN_LED1:
		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
		ledcfg &= 0x10; /* Set to software control. */
		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));

		break;
	default:
		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
			 "switch case not process\n");
		break;
	}
	pled->ledon = false;
}

void rtl8723e_init_sw_leds(struct ieee80211_hw *hw)
{
	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
	_rtl8723e_init_led(hw, &pcipriv->ledctl.sw_led0, LED_PIN_LED0);
	_rtl8723e_init_led(hw, &pcipriv->ledctl.sw_led1, LED_PIN_LED1);
}

static void _rtl8723e_sw_led_control(struct ieee80211_hw *hw,
				     enum led_ctl_mode ledaction)
{
	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
	struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
	switch (ledaction) {
	case LED_CTL_POWER_ON:
	case LED_CTL_LINK:
	case LED_CTL_NO_LINK:
		rtl8723e_sw_led_on(hw, pLed0);
		break;
	case LED_CTL_POWER_OFF:
		rtl8723e_sw_led_off(hw, pLed0);
		break;
	default:
		break;
	}
}

void rtl8723e_led_control(struct ieee80211_hw *hw,
			  enum led_ctl_mode ledaction)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));

	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
	    (ledaction == LED_CTL_TX ||
	     ledaction == LED_CTL_RX ||
	     ledaction == LED_CTL_SITE_SURVEY ||
	     ledaction == LED_CTL_LINK ||
	     ledaction == LED_CTL_NO_LINK ||
	     ledaction == LED_CTL_START_TO_LINK ||
	     ledaction == LED_CTL_POWER_ON)) {
		return;
	}
	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
		 ledaction);
	_rtl8723e_sw_led_control(hw, ledaction);
}
Commit	Line	Data
c592e631 LF	1	/******************************************************************************
	2	*
	3	* Copyright(c) 2009-2012 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	* 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
0529c6b8 LF	35	static void _rtl8723e_init_led(struct ieee80211_hw *hw,
0529c6b8 LF	36	struct rtl_led *pled, enum rtl_led_pin ledpin)
c592e631 LF	37	{
	38	pled->hw = hw;
	39	pled->ledpin = ledpin;
	40	pled->ledon = false;
	41	}
	42
0529c6b8	43	void rtl8723e_sw_led_on(struct ieee80211_hw hw, struct rtl_led pled)
c592e631	44	{
c592e631	45	u8 ledcfg;
0529c6b8	46	struct rtl_priv *rtlpriv = rtl_priv(hw);
c592e631 LF	47
	48	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
	49	"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
	50
c592e631 LF	51	switch (pled->ledpin) {
	52	case LED_PIN_GPIO0:
	53	break;
	54	case LED_PIN_LED0:
0529c6b8	55	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
e6deaf81	56	ledcfg &= ~BIT(6);
c592e631	57	rtl_write_byte(rtlpriv,
e6deaf81	58	REG_LEDCFG2, (ledcfg & 0xf0) \| BIT(5));
c592e631 LF	59	break;
c592e631 LF	60	case LED_PIN_LED1:
0529c6b8 LF	61	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
0529c6b8 LF	62	rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
c592e631 LF	63	break;
	64	default:
	65	RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
0529c6b8	66	"switch case not process\n");
c592e631 LF	67	break;
	68	}
	69	pled->ledon = true;
	70	}
	71
0529c6b8	72	void rtl8723e_sw_led_off(struct ieee80211_hw hw, struct rtl_led pled)
c592e631 LF	73	{
	74	struct rtl_priv *rtlpriv = rtl_priv(hw);
	75	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
	76	u8 ledcfg;
	77
	78	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
	79	"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
	80
	81	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
	82
	83	switch (pled->ledpin) {
	84	case LED_PIN_GPIO0:
	85	break;
	86	case LED_PIN_LED0:
	87	ledcfg &= 0xf0;
e6deaf81	88	if (pcipriv->ledctl.led_opendrain) {
0529c6b8	89	ledcfg &= 0x90; /* Set to software control. */
e6deaf81 LF	90	rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg\|BIT(3)));
	91	ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
	92	ledcfg &= 0xFE;
	93	rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
	94	} else {
	95	ledcfg &= ~BIT(6);
c592e631	96	rtl_write_byte(rtlpriv, REG_LEDCFG2,
0529c6b8	97	(ledcfg \| BIT(3) \| BIT(5)));
e6deaf81	98	}
c592e631 LF	99	break;
c592e631 LF	100	case LED_PIN_LED1:
0529c6b8 LF	101	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
	102	ledcfg &= 0x10; /* Set to software control. */
	103	rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg\|BIT(3));
	104
c592e631 LF	105	break;
	106	default:
	107	RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
0529c6b8	108	"switch case not process\n");
c592e631 LF	109	break;
	110	}
	111	pled->ledon = false;
	112	}
	113
0529c6b8	114	void rtl8723e_init_sw_leds(struct ieee80211_hw *hw)
c592e631 LF	115	{
c592e631 LF	116	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
0529c6b8 LF	117	_rtl8723e_init_led(hw, &pcipriv->ledctl.sw_led0, LED_PIN_LED0);
0529c6b8 LF	118	_rtl8723e_init_led(hw, &pcipriv->ledctl.sw_led1, LED_PIN_LED1);
c592e631 LF	119	}
c592e631 LF	120
0529c6b8 LF	121	static void _rtl8723e_sw_led_control(struct ieee80211_hw *hw,
0529c6b8 LF	122	enum led_ctl_mode ledaction)
c592e631 LF	123	{
	124	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
	125	struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
c592e631 LF	126	switch (ledaction) {
	127	case LED_CTL_POWER_ON:
	128	case LED_CTL_LINK:
	129	case LED_CTL_NO_LINK:
0529c6b8	130	rtl8723e_sw_led_on(hw, pLed0);
c592e631 LF	131	break;
c592e631 LF	132	case LED_CTL_POWER_OFF:
0529c6b8	133	rtl8723e_sw_led_off(hw, pLed0);
c592e631 LF	134	break;
	135	default:
	136	break;
	137	}
	138	}
	139
0529c6b8 LF	140	void rtl8723e_led_control(struct ieee80211_hw *hw,
0529c6b8 LF	141	enum led_ctl_mode ledaction)
c592e631 LF	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	}
0529c6b8 LF	156	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
	157	ledaction);
	158	_rtl8723e_sw_led_control(hw, ledaction);
c592e631	159	}