linux/drivers/staging/rt2860/chips/rt3090.c

/*
 *************************************************************************
 * Ralink Tech Inc.
 * 5F., No.36, Taiyuan St., Jhubei City,
 * Hsinchu County 302,
 * Taiwan, R.O.C.
 *
 * (c) Copyright 2002-2007, Ralink Technology, Inc.
 *
 * This program is free software; you can redistribute it and/or modify  *
 * it under the terms of the GNU General Public License as published by  *
 * the Free Software Foundation; either version 2 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * 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.,                                       *
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 *                                                                       *
 *************************************************************************

	Module Name:
	rt3090.c

	Abstract:
	Specific funcitons and variables for RT3070

	Revision History:
	Who         When          What
	--------    ----------    ----------------------------------------------
*/

#ifdef RT3090

#include "../rt_config.h"

#ifndef RTMP_RF_RW_SUPPORT
#error "You Should Enable compile flag RTMP_RF_RW_SUPPORT for this chip"
#endif /* RTMP_RF_RW_SUPPORT // */

void NICInitRT3090RFRegisters(struct rt_rtmp_adapter *pAd)
{
	int i;
	/* Driver must read EEPROM to get RfIcType before initial RF registers */
	/* Initialize RF register to default value */
	if (IS_RT3090(pAd)) {
		/* Init RF calibration */
		/* Driver should toggle RF R30 bit7 before init RF registers */
		u32 RfReg = 0, data;

		RT30xxReadRFRegister(pAd, RF_R30, (u8 *)&RfReg);
		RfReg |= 0x80;
		RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);
		RTMPusecDelay(1000);
		RfReg &= 0x7F;
		RT30xxWriteRFRegister(pAd, RF_R30, (u8)RfReg);

		/* init R24, R31 */
		RT30xxWriteRFRegister(pAd, RF_R24, 0x0F);
		RT30xxWriteRFRegister(pAd, RF_R31, 0x0F);

		/* RT309x version E has fixed this issue */
		if ((pAd->NicConfig2.field.DACTestBit == 1)
		    && ((pAd->MACVersion & 0xffff) < 0x0211)) {
			/* patch tx EVM issue temporarily */
			RTMP_IO_READ32(pAd, LDO_CFG0, &data);
			data = ((data & 0xE0FFFFFF) | 0x0D000000);
			RTMP_IO_WRITE32(pAd, LDO_CFG0, data);
		} else {
			RTMP_IO_READ32(pAd, LDO_CFG0, &data);
			data = ((data & 0xE0FFFFFF) | 0x01000000);
			RTMP_IO_WRITE32(pAd, LDO_CFG0, data);
		}

		/* patch LNA_PE_G1 failed issue */
		RTMP_IO_READ32(pAd, GPIO_SWITCH, &data);
		data &= ~(0x20);
		RTMP_IO_WRITE32(pAd, GPIO_SWITCH, data);

		/* Initialize RF register to default value */
		for (i = 0; i < NUM_RF_REG_PARMS; i++) {
			RT30xxWriteRFRegister(pAd,
					      RT30xx_RFRegTable[i].Register,
					      RT30xx_RFRegTable[i].Value);
		}

		/* Driver should set RF R6 bit6 on before calibration */
		RT30xxReadRFRegister(pAd, RF_R06, (u8 *)&RfReg);
		RfReg |= 0x40;
		RT30xxWriteRFRegister(pAd, RF_R06, (u8)RfReg);

		/*For RF filter Calibration */
		RTMPFilterCalibration(pAd);

		/* Initialize RF R27 register, set RF R27 must be behind RTMPFilterCalibration() */
		if ((pAd->MACVersion & 0xffff) < 0x0211)
			RT30xxWriteRFRegister(pAd, RF_R27, 0x3);

		/* set led open drain enable */
		RTMP_IO_READ32(pAd, OPT_14, &data);
		data |= 0x01;
		RTMP_IO_WRITE32(pAd, OPT_14, data);

		/* set default antenna as main */
		if (pAd->RfIcType == RFIC_3020)
			AsicSetRxAnt(pAd, pAd->RxAnt.Pair1PrimaryRxAnt);

		/* add by johnli, RF power sequence setup, load RF normal operation-mode setup */
		RT30xxLoadRFNormalModeSetup(pAd);
	}

}

#endif /* RT3090 // */