[deliverable/linux.git] / drivers / net / wireless / realtek / rtlwifi / rtl8192de / 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 _rtl92ce_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 rtl92de_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);

		if ((rtlpriv->efuse.eeprom_did == 0x8176) ||
			(rtlpriv->efuse.eeprom_did == 0x8193))
			/* BIT7 of REG_LEDCFG2 should be set to
			 * make sure we could emit the led2. */
			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
				       BIT(7) | BIT(5) | BIT(6));
		else
			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
				       BIT(7) | BIT(5));
		break;
	case LED_PIN_LED1:
		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);

		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
		break;
	default:
		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
			 "switch case not processed\n");
		break;
	}
	pled->ledon = true;
}

void rtl92de_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)
			rtl_write_byte(rtlpriv, REG_LEDCFG2,
				       (ledcfg | BIT(1) | BIT(5) | BIT(6)));
		else
			rtl_write_byte(rtlpriv, REG_LEDCFG2,
				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
		break;
	case LED_PIN_LED1:
		ledcfg &= 0x0f;
		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
		break;
	default:
		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
			 "switch case not processed\n");
		break;
	}
	pled->ledon = false;
}

void rtl92de_init_sw_leds(struct ieee80211_hw *hw)
{
	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
	_rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0);
	_rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1);
}

static void _rtl92ce_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:
		rtl92de_sw_led_on(hw, pLed0);
		break;
	case LED_CTL_POWER_OFF:
		rtl92de_sw_led_off(hw, pLed0);
		break;
	default:
		break;
	}
}

void rtl92de_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);

	_rtl92ce_sw_led_control(hw, ledaction);
}
Commit	Line	Data
f53d5a70 CL	1	/******************************************************************************
f53d5a70 CL	2	*
6a57b08e	3	* Copyright(c) 2009-2012 Realtek Corporation.
f53d5a70 CL	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",
f30d7507 JP	49	REG_LEDCFG2, pled->ledpin);
f53d5a70 CL	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)
f53d5a70 CL	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",
f30d7507 JP	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)
f53d5a70 CL	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);
f53d5a70 CL	132	break;
f53d5a70 CL	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);
f53d5a70 CL	157
	158	_rtl92ce_sw_led_control(hw, ledaction);
	159	}