[deliverable/linux.git] / drivers / net / wireless / realtek / rtlwifi / rtl8192ce / 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 rtl92ce_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);

	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);

	switch (pled->ledpin) {
	case LED_PIN_GPIO0:
		break;
	case LED_PIN_LED0:
		rtl_write_byte(rtlpriv,
			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
		break;
	case LED_PIN_LED1:
		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 rtl92ce_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 rtl92ce_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:
		rtl92ce_sw_led_on(hw, pLed0);
		break;
	case LED_CTL_POWER_OFF:
		rtl92ce_sw_led_off(hw, pLed0);
		break;
	default:
		break;
	}
}

void rtl92ce_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
0c817338 LF	1	/******************************************************************************
0c817338 LF	2	*
9003a4ab	3	* Copyright(c) 2009-2012 Realtek Corporation.
0c817338 LF	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"
5c405b5c JL	32	#include "reg.h"
5c405b5c JL	33	#include "led.h"
0c817338	34
228bdfca CL	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
0c817338 LF	43	void rtl92ce_sw_led_on(struct ieee80211_hw hw, struct rtl_led pled)
	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);
0c817338 LF	50
	51	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
	52
	53	switch (pled->ledpin) {
	54	case LED_PIN_GPIO0:
	55	break;
	56	case LED_PIN_LED0:
	57	rtl_write_byte(rtlpriv,
	58	REG_LEDCFG2, (ledcfg & 0xf0) \| BIT(5) \| BIT(6));
	59	break;
	60	case LED_PIN_LED1:
	61	rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) \| BIT(5));
	62	break;
	63	default:
	64	RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507	65	"switch case not processed\n");
0c817338 LF	66	break;
0c817338 LF	67	}
7ea47240	68	pled->ledon = true;
0c817338 LF	69	}
	70
	71	void rtl92ce_sw_led_off(struct ieee80211_hw hw, struct rtl_led pled)
	72	{
	73	struct rtl_priv *rtlpriv = rtl_priv(hw);
	74	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
	75	u8 ledcfg;
	76
f30d7507 JP	77	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
f30d7507 JP	78	REG_LEDCFG2, pled->ledpin);
0c817338 LF	79
	80	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
	81
	82	switch (pled->ledpin) {
	83	case LED_PIN_GPIO0:
	84	break;
	85	case LED_PIN_LED0:
	86	ledcfg &= 0xf0;
e10542c4	87	if (pcipriv->ledctl.led_opendrain)
0c817338 LF	88	rtl_write_byte(rtlpriv, REG_LEDCFG2,
	89	(ledcfg \| BIT(1) \| BIT(5) \| BIT(6)));
	90	else
	91	rtl_write_byte(rtlpriv, REG_LEDCFG2,
	92	(ledcfg \| BIT(3) \| BIT(5) \| BIT(6)));
	93	break;
	94	case LED_PIN_LED1:
	95	ledcfg &= 0x0f;
	96	rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg \| BIT(3)));
	97	break;
	98	default:
	99	RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
f30d7507	100	"switch case not processed\n");
0c817338 LF	101	break;
0c817338 LF	102	}
7ea47240	103	pled->ledon = false;
0c817338 LF	104	}
	105
	106	void rtl92ce_init_sw_leds(struct ieee80211_hw *hw)
	107	{
228bdfca	108	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
228bdfca CL	109	_rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0);
228bdfca CL	110	_rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1);
0c817338 LF	111	}
0c817338 LF	112
2b8359f8	113	static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
0c817338 LF	114	enum led_ctl_mode ledaction)
	115	{
	116	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
	117	struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
	118	switch (ledaction) {
	119	case LED_CTL_POWER_ON:
	120	case LED_CTL_LINK:
	121	case LED_CTL_NO_LINK:
	122	rtl92ce_sw_led_on(hw, pLed0);
	123	break;
	124	case LED_CTL_POWER_OFF:
	125	rtl92ce_sw_led_off(hw, pLed0);
	126	break;
	127	default:
	128	break;
	129	}
	130	}
	131
	132	void rtl92ce_led_control(struct ieee80211_hw *hw,
	133	enum led_ctl_mode ledaction)
	134	{
	135	struct rtl_priv *rtlpriv = rtl_priv(hw);
	136	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
	137
	138	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
	139	(ledaction == LED_CTL_TX \|\|
	140	ledaction == LED_CTL_RX \|\|
	141	ledaction == LED_CTL_SITE_SURVEY \|\|
	142	ledaction == LED_CTL_LINK \|\|
	143	ledaction == LED_CTL_NO_LINK \|\|
	144	ledaction == LED_CTL_START_TO_LINK \|\|
	145	ledaction == LED_CTL_POWER_ON)) {
	146	return;
	147	}
f30d7507 JP	148	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n",
f30d7507 JP	149	ledaction);
0c817338 LF	150	_rtl92ce_sw_led_control(hw, ledaction);
0c817338 LF	151	}