path: root/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c

/******************************************************************************
 *
 * Copyright(c) 2009-2012  Realtek Corporation. All rights reserved.
 *
 * 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 "../usb.h"
#include "../ps.h"
#include "../cam.h"
#include "reg.h"
#include "def.h"
#include "phy.h"
#include "rf.h"
#include "dm.h"
#include "mac.h"
#include "trx.h"

#include <linux/module.h>

/* macro to shorten lines */

#define LINK_Q	ui_link_quality
#define RX_EVM	rx_evm_percentage
#define RX_SIGQ	rx_mimo_signalquality


void rtl92c_read_chip_version(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_phy *rtlphy = &(rtlpriv->phy);
	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
	enum version_8192c chip_version = VERSION_UNKNOWN;
	const char *versionid;
	u32 value32;

	value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG);
	if (value32 & TRP_VAUX_EN) {
		chip_version = (value32 & TYPE_ID) ? VERSION_TEST_CHIP_92C :
			       VERSION_TEST_CHIP_88C;
	} else {
		/* Normal mass production chip. */
		chip_version = NORMAL_CHIP;
		chip_version |= ((value32 & TYPE_ID) ? CHIP_92C : 0);
		chip_version |= ((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0);
		/* RTL8723 with BT function. */
		chip_version |= ((value32 & BT_FUNC) ? CHIP_8723 : 0);
		if (IS_VENDOR_UMC(chip_version))
			chip_version |= ((value32 & CHIP_VER_RTL_MASK) ?
					 CHIP_VENDOR_UMC_B_CUT : 0);
		if (IS_92C_SERIAL(chip_version)) {
			value32 = rtl_read_dword(rtlpriv, REG_HPON_FSM);
			chip_version |= ((CHIP_BONDING_IDENTIFIER(value32) ==
				 CHIP_BONDING_92C_1T2R) ? CHIP_92C_1T2R : 0);
		} else if (IS_8723_SERIES(chip_version)) {
			value32 = rtl_read_dword(rtlpriv, REG_GPIO_OUTSTS);
			chip_version |= ((value32 & RF_RL_ID) ?
					  CHIP_8723_DRV_REV : 0);
		}
	}
	rtlhal->version  = (enum version_8192c)chip_version;
	pr_info("Chip version 0x%x\n", chip_version);
	switch (rtlhal->version) {
	case VERSION_NORMAL_TSMC_CHIP_92C_1T2R:
		versionid = "NORMAL_B_CHIP_92C";
		break;
	case VERSION_NORMAL_TSMC_CHIP_92C:
		versionid = "NORMAL_TSMC_CHIP_92C";
		break;
	case VERSION_NORMAL_TSMC_CHIP_88C:
		versionid = "NORMAL_TSMC_CHIP_88C";
		break;
	case VERSION_NORMAL_UMC_CHIP_92C_1T2R_A_CUT:
		versionid = "NORMAL_UMC_CHIP_i92C_1T2R_A_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_92C_A_CUT:
		versionid = "NORMAL_UMC_CHIP_92C_A_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_88C_A_CUT:
		versionid = "NORMAL_UMC_CHIP_88C_A_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_92C_1T2R_B_CUT:
		versionid = "NORMAL_UMC_CHIP_92C_1T2R_B_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_92C_B_CUT:
		versionid = "NORMAL_UMC_CHIP_92C_B_CUT";
		break;
	case VERSION_NORMAL_UMC_CHIP_88C_B_CUT:
		versionid = "NORMAL_UMC_CHIP_88C_B_CUT";
		break;
	case VERSION_NORMA_UMC_CHIP_8723_1T1R_A_CUT:
		versionid = "NORMAL_UMC_CHIP_8723_1T1R_A_CUT";
		break;
	case VERSION_NORMA_UMC_CHIP_8723_1T1R_B_CUT:
		versionid = "NORMAL_UMC_CHIP_8723_1T1R_B_CUT";
		break;
	case VERSION_TEST_CHIP_92C:
		versionid = "TEST_CHIP_92C";