Initial file dump from open source releaseHEADmaster

1 files changed, 850 insertions, 0 deletions

diff --git a/drivers/staging/rtl8187se/r8180_rtl8225z2.c b/drivers/staging/rtl8187se/r8180_rtl8225z2.c
new file mode 100644
index 00000000..c592f793
--- /dev/null
+++ b/drivers/staging/rtl8187se/r8180_rtl8225z2.c
@@ -0,0 +1,850 @@
+/*
+ * This is part of the rtl8180-sa2400 driver
+ * released under the GPL (See file COPYING for details).
+ * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * This files contains programming code for the rtl8225
+ * radio frontend.
+ *
+ * *Many* thanks to Realtek Corp. for their great support!
+ */
+
+#include "r8180_hw.h"
+#include "r8180_rtl8225.h"
+#include "r8180_93cx6.h"
+
+#include "ieee80211/dot11d.h"
+
+static void write_rtl8225(struct net_device *dev, u8 adr, u16 data)
+{
+	int i;
+	u16 out, select;
+	u8 bit;
+	u32 bangdata = (data << 4) | (adr & 0xf);
+
+	out = read_nic_word(dev, RFPinsOutput) & 0xfff3;
+
+	write_nic_word(dev, RFPinsEnable,
+		(read_nic_word(dev, RFPinsEnable) | 0x7));
+
+	select = read_nic_word(dev, RFPinsSelect);
+
+	write_nic_word(dev, RFPinsSelect, select | 0x7 |
+		       SW_CONTROL_GPIO);
+
+	force_pci_posting(dev);
+	udelay(10);
+
+	write_nic_word(dev, RFPinsOutput, out | BB_HOST_BANG_EN);
+
+	force_pci_posting(dev);
+	udelay(2);
+
+	write_nic_word(dev, RFPinsOutput, out);
+
+	force_pci_posting(dev);
+	udelay(10);
+
+	for (i = 15; i >= 0; i--) {
+		bit = (bangdata & (1 << i)) >> i;
+
+		write_nic_word(dev, RFPinsOutput, bit | out);
+
+		write_nic_word(dev, RFPinsOutput, bit | out | BB_HOST_BANG_CLK);
+		write_nic_word(dev, RFPinsOutput, bit | out | BB_HOST_BANG_CLK);
+
+		i--;
+		bit = (bangdata & (1 << i)) >> i;
+
+		write_nic_word(dev, RFPinsOutput, bit | out | BB_HOST_BANG_CLK);
+		write_nic_word(dev, RFPinsOutput, bit | out | BB_HOST_BANG_CLK);
+
+		write_nic_word(dev, RFPinsOutput, bit | out);
+
+	}
+
+	write_nic_word(dev, RFPinsOutput, out | BB_HOST_BANG_EN);
+
+	force_pci_posting(dev);
+	udelay(10);
+
+	write_nic_word(dev, RFPinsOutput, out | BB_HOST_BANG_EN);
+
+	write_nic_word(dev, RFPinsSelect, select | SW_CONTROL_GPIO);
+
+	rtl8185_rf_pins_enable(dev);
+}
+
+static const u8 rtl8225_agc[] = {
+	0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e,
+	0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98, 0x97, 0x96,
+	0x95, 0x94, 0x93, 0x92, 0x91, 0x90, 0x8f, 0x8e,
+	0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, 0x87, 0x86,
+	0x85, 0x84, 0x83, 0x82, 0x81, 0x80, 0x3f, 0x3e,
+	0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38, 0x37, 0x36,
+	0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x2f, 0x2e,
+	0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26,
+	0x25, 0x24, 0x23, 0x22, 0x21, 0x20, 0x1f, 0x1e,
+	0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16,
+	0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e,
+	0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06,
+	0x05, 0x04, 0x03, 0x02, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+};
+
+static const u32 rtl8225_chan[] = {
+	0,
+	0x0080, 0x0100, 0x0180, 0x0200, 0x0280, 0x0300, 0x0380,
+	0x0400, 0x0480, 0x0500, 0x0580, 0x0600, 0x0680, 0x074A,
+};
+
+static const u8 rtl8225z2_gain_bg[] = {
+	0x23, 0x15, 0xa5, /* -82-1dBm */
+	0x23, 0x15, 0xb5, /* -82-2dBm */
+	0x23, 0x15, 0xc5, /* -82-3dBm */
+	0x33, 0x15, 0xc5, /* -78dBm */
+	0x43, 0x15, 0xc5, /* -74dBm */
+	0x53, 0x15, 0xc5, /* -70dBm */
+	0x63, 0x15, 0xc5, /* -66dBm */
+};
+
+static const u8 rtl8225z2_gain_a[] = {
+	0x13, 0x27, 0x5a, /* -82dBm */
+	0x23, 0x23, 0x58, /* -82dBm */
+	0x33, 0x1f, 0x56, /* -82dBm */
+	0x43, 0x1b, 0x54, /* -78dBm */
+	0x53, 0x17, 0x51, /* -74dBm */
+	0x63, 0x24, 0x4f, /* -70dBm */
+	0x73, 0x0f, 0x4c, /* -66dBm */
+};
+
+static const u16 rtl8225z2_rxgain[] = {
+	0x0400, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0408, 0x0409,
+	0x040a, 0x040b, 0x0502, 0x0503, 0x0504, 0x0505, 0x0540, 0x0541,
+	0x0542, 0x0543, 0x0544, 0x0545, 0x0580, 0x0581, 0x0582, 0x0583,
+	0x0584, 0x0585, 0x0588, 0x0589, 0x058a, 0x058b, 0x0643, 0x0644,
+	0x0645, 0x0680, 0x0681, 0x0682, 0x0683, 0x0684, 0x0685, 0x0688,
+	0x0689, 0x068a, 0x068b, 0x068c, 0x0742, 0x0743, 0x0744, 0x0745,
+	0x0780, 0x0781, 0x0782, 0x0783, 0x0784, 0x0785, 0x0788, 0x0789,
+	0x078a, 0x078b, 0x078c, 0x078d, 0x0790, 0x0791, 0x0792, 0x0793,
+	0x0794, 0x0795, 0x0798, 0x0799, 0x079a, 0x079b, 0x079c, 0x079d,
+	0x07a0, 0x07a1, 0x07a2, 0x07a3, 0x07a4, 0x07a5, 0x07a8, 0x07a9,
+	0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03b0, 0x03b1, 0x03b2, 0x03b3,
+	0x03b4, 0x03b5, 0x03b8, 0x03b9, 0x03ba, 0x03bb
+
+};
+
+void rtl8225z2_set_gain(struct net_device *dev, short gain)
+{
+	const u8 *rtl8225_gain;
+	struct r8180_priv *priv = ieee80211_priv(dev);
+	u8 mode = priv->ieee80211->mode;
+
+	if (mode == IEEE_B || mode == IEEE_G)
+		rtl8225_gain = rtl8225z2_gain_bg;
+	else
+		rtl8225_gain = rtl8225z2_gain_a;
+
+	write_phy_ofdm(dev, 0x0b, rtl8225_gain[gain * 3]);
+	write_phy_ofdm(dev, 0x1b, rtl8225_gain[gain * 3 + 1]);
+	write_phy_ofdm(dev, 0x1d, rtl8225_gain[gain * 3 + 2]);
+	write_phy_ofdm(dev, 0x21, 0x37);
+}
+
+static u32 read_rtl8225(struct net_device *dev, u8 adr)
+{
+	u32 data2Write = ((u32)(adr & 0x1f)) << 27;
+	u32 dataRead;
+	u32 mask;
+	u16 oval, oval2, oval3, tmp;
+	int i;
+	short bit, rw;
+	u8 wLength = 6;
+	u8 rLength = 12;
+	u8 low2high = 0;
+
+	oval = read_nic_word(dev, RFPinsOutput);
+	oval2 = read_nic_word(dev, RFPinsEnable);
+	oval3 = read_nic_word(dev, RFPinsSelect);
+
+	write_nic_word(dev, RFPinsEnable, (oval2|0xf));
+	write_nic_word(dev, RFPinsSelect, (oval3|0xf));
+
+	dataRead = 0;
+
+	oval &= ~0xf;
+
+	write_nic_word(dev, RFPinsOutput, oval | BB_HOST_BANG_EN);
+	udelay(4);
+
+	write_nic_word(dev, RFPinsOutput, oval);
+	udelay(5);
+
+	rw = 0;
+
+	mask = (low2high) ? 0x01 : (((u32)0x01)<<(32-1));
+
+	for (i = 0; i < wLength/2; i++) {
+		bit = ((data2Write&mask) != 0) ? 1 : 0;
+		write_nic_word(dev, RFPinsOutput, bit | oval | rw);
+		udelay(1);
+
+		write_nic_word(dev, RFPinsOutput,
+				bit | oval | BB_HOST_BANG_CLK | rw);
+		udelay(2);
+		write_nic_word(dev, RFPinsOutput,
+				bit | oval | BB_HOST_BANG_CLK | rw);
+		udelay(2);
+
+		mask = (low2high) ? (mask<<1) : (mask>>1);
+
+		if (i == 2) {
+			rw = BB_HOST_BANG_RW;
+			write_nic_word(dev, RFPinsOutput,
+					bit | oval | BB_HOST_BANG_CLK | rw);
+			udelay(2);
+			write_nic_word(dev, RFPinsOutput, bit | oval | rw);
+			udelay(2);
+			break;
+		}
+
+		bit = ((data2Write&mask) != 0) ? 1 : 0;
+
+		write_nic_word(dev, RFPinsOutput,
+				oval | bit | rw | BB_HOST_BANG_CLK);
+		udelay(2);
+		write_nic_word(dev, RFPinsOutput,
+				oval | bit | rw | BB_HOST_BANG_CLK);
+		udelay(2);
+
+		write_nic_word(dev, RFPinsOutput, oval | bit | rw);
+		udelay(1);
+
+		mask = (low2high) ? (mask<<1) : (mask>>1);
+	}
+
+	write_nic_word(dev, RFPinsOutput, rw|oval);
+	udelay(2);
+	mask = (low2high) ? 0x01 : (((u32)0x01) << (12-1));
+
+	/*
+	 * We must set data pin to HW controlled, otherwise RF can't driver it
+	 * and value RF register won't be able to read back properly.
+	 */
+	write_nic_word(dev, RFPinsEnable, (oval2 & (~0x01)));
+
+	for (i = 0; i < rLength; i++) {
+		write_nic_word(dev, RFPinsOutput, rw|oval); udelay(1);
+
+		write_nic_word(dev, RFPinsOutput, rw|oval|BB_HOST_BANG_CLK);
+		udelay(2);
+		write_nic_word(dev, RFPinsOutput, rw|oval|BB_HOST_BANG_CLK);
+		udelay(2);
+		write_nic_word(dev, RFPinsOutput, rw|oval|BB_HOST_BANG_CLK);
+		udelay(2);
+		tmp = read_nic_word(dev, RFPinsInput);
+
+		dataRead |= (tmp & BB_HOST_BANG_CLK ? mask : 0);
+
+		write_nic_word(dev, RFPinsOutput, (rw|oval)); udelay(2);
+
+		mask = (low2high) ? (mask<<1) : (mask>>1);
+	}
+
+	write_nic_word(dev, RFPinsOutput,
+			BB_HOST_BANG_EN | BB_HOST_BANG_RW | oval);
+	udelay(2);
+
+	write_nic_word(dev, RFPinsEnable, oval2);
+	write_nic_word(dev, RFPinsSelect, oval3); /* Set To SW Switch */
+	write_nic_word(dev, RFPinsOutput, 0x3a0);
+
+	return dataRead;
+}
+
+void rtl8225z2_rf_close(struct net_device *dev)
+{
+	RF_WriteReg(dev, 0x4, 0x1f);
+
+	force_pci_posting(dev);
+	mdelay(1);
+
+	rtl8180_set_anaparam(dev, RTL8225z2_ANAPARAM_OFF);
+	rtl8185_set_anaparam2(dev, RTL8225z2_ANAPARAM2_OFF);
+}
+
+/*
+ * Map dBm into Tx power index according to current HW model, for example,
+ * RF and PA, and current wireless mode.
+ */
+s8 DbmToTxPwrIdx(struct r8180_priv *priv, WIRELESS_MODE WirelessMode,
+		 s32 PowerInDbm)
+{
+	bool bUseDefault = true;
+	s8 TxPwrIdx = 0;
+
+	/*
+	 * OFDM Power in dBm = Index * 0.5 + 0
+	 * CCK Power in dBm = Index * 0.25 + 13
+	 */
+	s32 tmp = 0;
+
+	if (WirelessMode == WIRELESS_MODE_G) {
+		bUseDefault = false;
+		tmp = (2 * PowerInDbm);
+
+		if (tmp < 0)
+			TxPwrIdx = 0;
+		else if (tmp > 40) /* 40 means 20 dBm. */
+			TxPwrIdx = 40;
+		else
+			TxPwrIdx = (s8)tmp;
+	} else if (WirelessMode == WIRELESS_MODE_B) {
+		bUseDefault = false;
+		tmp = (4 * PowerInDbm) - 52;
+
+		if (tmp < 0)
+			TxPwrIdx = 0;
+		else if (tmp > 28) /* 28 means 20 dBm. */
+			TxPwrIdx = 28;
+		else
+			TxPwrIdx = (s8)tmp;
+	}
+
+	/*
+	 * TRUE if we want to use a default implementation.
+	 * We shall set it to FALSE when we have exact translation formula
+	 * for target IC. 070622, by rcnjko.
+	 */
+	if (bUseDefault) {
+		if (PowerInDbm < 0)
+			TxPwrIdx = 0;
+		else if (PowerInDbm > 35)
+			TxPwrIdx = 35;
+		else
+			TxPwrIdx = (u8)PowerInDbm;
+	}
+
+	return TxPwrIdx;
+}
+
+void rtl8225z2_SetTXPowerLevel(struct net_device *dev, short ch)
+{
+	struct r8180_priv *priv = ieee80211_priv(dev);
+	u8 max_cck_power_level;
+	u8 max_ofdm_power_level;
+	u8 min_ofdm_power_level;
+	char cck_power_level = (char)(0xff & priv->chtxpwr[ch]);
+	char ofdm_power_level = (char)(0xff & priv->chtxpwr_ofdm[ch]);
+
+	if (IS_DOT11D_ENABLE(priv->ieee80211) &&
+	    IS_DOT11D_STATE_DONE(priv->ieee80211)) {
+		u8 MaxTxPwrInDbm = DOT11D_GetMaxTxPwrInDbm(priv->ieee80211, ch);
+		u8 CckMaxPwrIdx = DbmToTxPwrIdx(priv, WIRELESS_MODE_B,
+							MaxTxPwrInDbm);
+		u8 OfdmMaxPwrIdx = DbmToTxPwrIdx(priv, WIRELESS_MODE_G,
+							MaxTxPwrInDbm);
+
+		if (cck_power_level > CckMaxPwrIdx)
+			cck_power_level = CckMaxPwrIdx;
+		if (ofdm_power_level > OfdmMaxPwrIdx)
+			ofdm_power_level = OfdmMaxPwrIdx;
+	}
+
+	max_cck_power_level = 15;
+	max_ofdm_power_level = 25;
+	min_ofdm_power_level = 10;
+
+	if (cck_power_level > 35)
+		cck_power_level = 35;
+
+	write_nic_byte(dev, CCK_TXAGC, cck_power_level);
+	force_pci_posting(dev);
+	mdelay(1);
+
+	if (ofdm_power_level > 35)
+		ofdm_power_level = 35;
+
+	if (priv->up == 0) {
+		write_phy_ofdm(dev, 2, 0x42);
+		write_phy_ofdm(dev, 5, 0x00);
+		write_phy_ofdm(dev, 6, 0x40);
+		write_phy_ofdm(dev, 7, 0x00);
+		write_phy_ofdm(dev, 8, 0x40);
+	}
+
+	write_nic_byte(dev, OFDM_TXAGC, ofdm_power_level);
+
+	if (ofdm_power_level <= 11) {
+		write_phy_ofdm(dev, 0x07, 0x5c);
+		write_phy_ofdm(dev, 0x09, 0x5c);
+	}
+
+	if (ofdm_power_level <= 17) {
+		write_phy_ofdm(dev, 0x07, 0x54);
+		write_phy_ofdm(dev, 0x09, 0x54);
+	} else {
+		write_phy_ofdm(dev, 0x07, 0x50);
+		write_phy_ofdm(dev, 0x09, 0x50);
+	}
+
+	force_pci_posting(dev);
+	mdelay(1);
+}
+
+void rtl8225z2_rf_set_chan(struct net_device *dev, short ch)
+{
+	rtl8225z2_SetTXPowerLevel(dev, ch);
+
+	RF_WriteReg(dev, 0x7, rtl8225_chan[ch]);
+
+	if ((RF_ReadReg(dev, 0x7) & 0x0F80) != rtl8225_chan[ch])
+		RF_WriteReg(dev, 0x7, rtl8225_chan[ch]);
+
+	mdelay(1);
+
+	force_pci_posting(dev);
+	mdelay(10);
+}
+
+static void rtl8225_host_pci_init(struct net_device *dev)
+{
+	write_nic_word(dev, RFPinsOutput, 0x480);
+
+	rtl8185_rf_pins_enable(dev);
+
+	write_nic_word(dev, RFPinsSelect, 0x88 | SW_CONTROL_GPIO);
+
+	write_nic_byte(dev, GP_ENABLE, 0);
+
+	force_pci_posting(dev);
+	mdelay(200);
+
+	/* bit 6 is for RF on/off detection */
+	write_nic_word(dev, GP_ENABLE, 0xff & (~(1 << 6)));
+}
+
+void rtl8225z2_rf_init(struct net_device *dev)
+{
+	struct r8180_priv *priv = ieee80211_priv(dev);
+	int i;
+	short channel = 1;
+	u16 brsr;
+	u32 data;
+
+	priv->chan = channel;
+
+	rtl8225_host_pci_init(dev);
+
+	write_nic_dword(dev, RF_TIMING, 0x000a8008);
+
+	brsr = read_nic_word(dev, BRSR);
+
+	write_nic_word(dev, BRSR, 0xffff);
+
+	write_nic_dword(dev, RF_PARA, 0x100044);
+
+	rtl8180_set_mode(dev, EPROM_CMD_CONFIG);
+	write_nic_byte(dev, CONFIG3, 0x44);
+	rtl8180_set_mode(dev, EPROM_CMD_NORMAL);
+
+	rtl8185_rf_pins_enable(dev);
+
+	write_rtl8225(dev, 0x0, 0x2bf); mdelay(1);
+	write_rtl8225(dev, 0x1, 0xee0); mdelay(1);
+	write_rtl8225(dev, 0x2, 0x44d); mdelay(1);
+	write_rtl8225(dev, 0x3, 0x441); mdelay(1);
+	write_rtl8225(dev, 0x4, 0x8c3); mdelay(1);
+	write_rtl8225(dev, 0x5, 0xc72); mdelay(1);
+	write_rtl8225(dev, 0x6, 0xe6);  mdelay(1);
+	write_rtl8225(dev, 0x7, rtl8225_chan[channel]);  mdelay(1);
+	write_rtl8225(dev, 0x8, 0x3f);  mdelay(1);
+	write_rtl8225(dev, 0x9, 0x335); mdelay(1);
+	write_rtl8225(dev, 0xa, 0x9d4); mdelay(1);
+	write_rtl8225(dev, 0xb, 0x7bb); mdelay(1);
+	write_rtl8225(dev, 0xc, 0x850); mdelay(1);
+	write_rtl8225(dev, 0xd, 0xcdf); mdelay(1);
+	write_rtl8225(dev, 0xe, 0x2b);  mdelay(1);
+	write_rtl8225(dev, 0xf, 0x114);
+
+	mdelay(100);
+
+	write_rtl8225(dev, 0x0, 0x1b7);
+
+	for (i = 0; i < ARRAY_SIZE(rtl8225z2_rxgain); i++) {
+		write_rtl8225(dev, 0x1, i + 1);
+		write_rtl8225(dev, 0x2, rtl8225z2_rxgain[i]);
+	}
+
+	write_rtl8225(dev, 0x3, 0x80);
+	write_rtl8225(dev, 0x5, 0x4);
+
+	write_rtl8225(dev, 0x0, 0xb7);
+
+	write_rtl8225(dev, 0x2, 0xc4d);
+
+	/* FIXME!! rtl8187 we have to check if calibrarion
+	 * is successful and eventually cal. again (repeat
+	 * the two write on reg 2)
+	 */
+	data = read_rtl8225(dev, 6);
+	if (!(data & 0x00000080)) {
+		write_rtl8225(dev, 0x02, 0x0c4d);
+		force_pci_posting(dev); mdelay(200);
+		write_rtl8225(dev, 0x02, 0x044d);
+		force_pci_posting(dev); mdelay(100);
+		data = read_rtl8225(dev, 6);
+		if (!(data & 0x00000080))
+			DMESGW("RF Calibration Failed!!!!\n");
+	}
+
+	mdelay(200);
+
+	write_rtl8225(dev, 0x0, 0x2bf);
+
+	for (i = 0; i < ARRAY_SIZE(rtl8225_agc); i++) {
+		write_phy_ofdm(dev, 0xb, rtl8225_agc[i]);
+		mdelay(1);
+
+		/* enable writing AGC table */
+		write_phy_ofdm(dev, 0xa, i + 0x80);
+		mdelay(1);
+	}
+
+	force_pci_posting(dev);
+	mdelay(1);
+
+	write_phy_ofdm(dev, 0x00, 0x01); mdelay(1);
+	write_phy_ofdm(dev, 0x01, 0x02); mdelay(1);
+	write_phy_ofdm(dev, 0x02, 0x62); mdelay(1);
+	write_phy_ofdm(dev, 0x03, 0x00); mdelay(1);
+	write_phy_ofdm(dev, 0x04, 0x00); mdelay(1);
+	write_phy_ofdm(dev, 0x05, 0x00); mdelay(1);
+	write_phy_ofdm(dev, 0x06, 0x40); mdelay(1);
+	write_phy_ofdm(dev, 0x07, 0x00); mdelay(1);
+	write_phy_ofdm(dev, 0x08, 0x40); mdelay(1);
+	write_phy_ofdm(dev, 0x09, 0xfe); mdelay(1);
+	write_phy_ofdm(dev, 0x0a, 0x08); mdelay(1);
+	write_phy_ofdm(dev, 0x0b, 0x80); mdelay(1);
+	write_phy_ofdm(dev, 0x0c, 0x01); mdelay(1);
+	write_phy_ofdm(dev, 0x0d, 0x43);
+	write_phy_ofdm(dev, 0x0e, 0xd3); mdelay(1);
+	write_phy_ofdm(dev, 0x0f, 0x38); mdelay(1);
+	write_phy_ofdm(dev, 0x10, 0x84); mdelay(1);
+	write_phy_ofdm(dev, 0x11, 0x07); mdelay(1);
+	write_phy_ofdm(dev, 0x12, 0x20); mdelay(1);
+	write_phy_ofdm(dev, 0x13, 0x20); mdelay(1);
+	write_phy_ofdm(dev, 0x14, 0x00); mdelay(1);
+	write_phy_ofdm(dev, 0x15, 0x40); mdelay(1);
+	write_phy_ofdm(dev, 0x16, 0x00); mdelay(1);
+	write_phy_ofdm(dev, 0x17, 0x40); mdelay(1);
+	write_phy_ofdm(dev, 0x18, 0xef); mdelay(1);
+	write_phy_ofdm(dev, 0x19, 0x19); mdelay(1);
+	write_phy_ofdm(dev, 0x1a, 0x20); mdelay(1);
+	write_phy_ofdm(dev, 0x1b, 0x15); mdelay(1);
+	write_phy_ofdm(dev, 0x1c, 0x04); mdelay(1);
+	write_phy_ofdm(dev, 0x1d, 0xc5); mdelay(1);
+	write_phy_ofdm(dev, 0x1e, 0x95); mdelay(1);
+	write_phy_ofdm(dev, 0x1f, 0x75); mdelay(1);
+	write_phy_ofdm(dev, 0x20, 0x1f); mdelay(1);
+	write_phy_ofdm(dev, 0x21, 0x17); mdelay(1);
+	write_phy_ofdm(dev, 0x22, 0x16); mdelay(1);
+	write_phy_ofdm(dev, 0x23, 0x80); mdelay(1); /* FIXME maybe not needed */
+	write_phy_ofdm(dev, 0x24, 0x46); mdelay(1);
+	write_phy_ofdm(dev, 0x25, 0x00); mdelay(1);
+	write_phy_ofdm(dev, 0x26, 0x90); mdelay(1);
+	write_phy_ofdm(dev, 0x27, 0x88); mdelay(1);
+
+	rtl8225z2_set_gain(dev, 4);
+
+	write_phy_cck(dev, 0x0, 0x98); mdelay(1);
+	write_phy_cck(dev, 0x3, 0x20); mdelay(1);
+	write_phy_cck(dev, 0x4, 0x7e); mdelay(1);
+	write_phy_cck(dev, 0x5, 0x12); mdelay(1);
+	write_phy_cck(dev, 0x6, 0xfc); mdelay(1);
+	write_phy_cck(dev, 0x7, 0x78); mdelay(1);
+	write_phy_cck(dev, 0x8, 0x2e); mdelay(1);
+	write_phy_cck(dev, 0x10, 0x93); mdelay(1);
+	write_phy_cck(dev, 0x11, 0x88); mdelay(1);
+	write_phy_cck(dev, 0x12, 0x47); mdelay(1);
+	write_phy_cck(dev, 0x13, 0xd0);
+	write_phy_cck(dev, 0x19, 0x00);
+	write_phy_cck(dev, 0x1a, 0xa0);
+	write_phy_cck(dev, 0x1b, 0x08);
+	write_phy_cck(dev, 0x40, 0x86); /* CCK Carrier Sense Threshold */
+	write_phy_cck(dev, 0x41, 0x8d); mdelay(1);
+	write_phy_cck(dev, 0x42, 0x15); mdelay(1);
+	write_phy_cck(dev, 0x43, 0x18); mdelay(1);
+	write_phy_cck(dev, 0x44, 0x36); mdelay(1);
+	write_phy_cck(dev, 0x45, 0x35); mdelay(1);
+	write_phy_cck(dev, 0x46, 0x2e); mdelay(1);
+	write_phy_cck(dev, 0x47, 0x25); mdelay(1);
+	write_phy_cck(dev, 0x48, 0x1c); mdelay(1);
+	write_phy_cck(dev, 0x49, 0x12); mdelay(1);
+	write_phy_cck(dev, 0x4a, 0x09); mdelay(1);
+	write_phy_cck(dev, 0x4b, 0x04); mdelay(1);
+	write_phy_cck(dev, 0x4c, 0x05); mdelay(1);
+
+	write_nic_byte(dev, 0x5b, 0x0d); mdelay(1);
+
+	rtl8225z2_SetTXPowerLevel(dev, channel);
+
+	/* RX antenna default to A */
+	write_phy_cck(dev, 0x11, 0x9b); mdelay(1);		/* B: 0xDB */
+	write_phy_ofdm(dev, 0x26, 0x90); mdelay(1);		/* B: 0x10 */
+
+	rtl8185_tx_antenna(dev, 0x03);				/* B: 0x00 */
+
+	/* switch to high-speed 3-wire
+	 * last digit. 2 for both cck and ofdm
+	 */
+	write_nic_dword(dev, 0x94, 0x15c00002);
+	rtl8185_rf_pins_enable(dev);
+
+	rtl8225z2_rf_set_chan(dev, priv->chan);
+}
+
+void rtl8225z2_rf_set_mode(struct net_device *dev)
+{
+	struct r8180_priv *priv = ieee80211_priv(dev);
+
+	if (priv->ieee80211->mode == IEEE_A) {
+		write_rtl8225(dev, 0x5, 0x1865);
+		write_nic_dword(dev, RF_PARA, 0x10084);
+		write_nic_dword(dev, RF_TIMING, 0xa8008);
+		write_phy_ofdm(dev, 0x0, 0x0);
+		write_phy_ofdm(dev, 0xa, 0x6);
+		write_phy_ofdm(dev, 0xb, 0x99);
+		write_phy_ofdm(dev, 0xf, 0x20);
+		write_phy_ofdm(dev, 0x11, 0x7);
+
+		rtl8225z2_set_gain(dev, 4);
+
+		write_phy_ofdm(dev, 0x15, 0x40);
+		write_phy_ofdm(dev, 0x17, 0x40);
+
+		write_nic_dword(dev, 0x94, 0x10000000);
+	} else {
+		write_rtl8225(dev, 0x5, 0x1864);
+		write_nic_dword(dev, RF_PARA, 0x10044);
+		write_nic_dword(dev, RF_TIMING, 0xa8008);
+		write_phy_ofdm(dev, 0x0, 0x1);
+		write_phy_ofdm(dev, 0xa, 0x6);
+		write_phy_ofdm(dev, 0xb, 0x99);
+		write_phy_ofdm(dev, 0xf, 0x20);
+		write_phy_ofdm(dev, 0x11, 0x7);
+
+		rtl8225z2_set_gain(dev, 4);
+
+		write_phy_ofdm(dev, 0x15, 0x40);
+		write_phy_ofdm(dev, 0x17, 0x40);
+
+		write_nic_dword(dev, 0x94, 0x04000002);
+	}
+}
+
+#define MAX_DOZE_WAITING_TIMES_85B		20
+#define MAX_POLLING_24F_TIMES_87SE		10
+#define LPS_MAX_SLEEP_WAITING_TIMES_87SE	5
+
+bool SetZebraRFPowerState8185(struct net_device *dev,
+			      RT_RF_POWER_STATE eRFPowerState)
+{
+	struct r8180_priv *priv = ieee80211_priv(dev);
+	u8			btCR9346, btConfig3;
+	bool bActionAllowed = true, bTurnOffBB = true;
+	u8			u1bTmp;
+	int			i;
+	bool		bResult = true;
+	u8			QueueID;
+
+	if (priv->SetRFPowerStateInProgress == true)
+		return false;
+
+	priv->SetRFPowerStateInProgress = true;
+
+	btCR9346 = read_nic_byte(dev, CR9346);
+	write_nic_byte(dev, CR9346, (btCR9346 | 0xC0));
+
+	btConfig3 = read_nic_byte(dev, CONFIG3);
+	write_nic_byte(dev, CONFIG3, (btConfig3 | CONFIG3_PARM_En));
+
+	switch (eRFPowerState) {
+	case eRfOn:
+		write_nic_word(dev, 0x37C, 0x00EC);
+
+		/* turn on AFE */
+		write_nic_byte(dev, 0x54, 0x00);
+		write_nic_byte(dev, 0x62, 0x00);
+
+		/* turn on RF */
+		RF_WriteReg(dev, 0x0, 0x009f); udelay(500);
+		RF_WriteReg(dev, 0x4, 0x0972); udelay(500);
+
+		/* turn on RF again */
+		RF_WriteReg(dev, 0x0, 0x009f); udelay(500);
+		RF_WriteReg(dev, 0x4, 0x0972); udelay(500);
+
+		/* turn on BB */
+		write_phy_ofdm(dev, 0x10, 0x40);
+		write_phy_ofdm(dev, 0x12, 0x40);
+
+		/* Avoid power down at init time. */
+		write_nic_byte(dev, CONFIG4, priv->RFProgType);
+
+		u1bTmp = read_nic_byte(dev, 0x24E);
+		write_nic_byte(dev, 0x24E, (u1bTmp & (~(BIT5 | BIT6))));
+		break;
+	case eRfSleep:
+		for (QueueID = 0, i = 0; QueueID < 6;) {
+			if (get_curr_tx_free_desc(dev, QueueID) ==
+							priv->txringcount) {
+				QueueID++;
+				continue;
+			} else {
+				priv->TxPollingTimes++;
+				if (priv->TxPollingTimes >=
+					LPS_MAX_SLEEP_WAITING_TIMES_87SE) {
+					bActionAllowed = false;
+					break;
+				} else
+					udelay(10);
+			}
+		}
+
+		if (bActionAllowed) {
+			/* turn off BB RXIQ matrix to cut off rx signal */
+			write_phy_ofdm(dev, 0x10, 0x00);
+			write_phy_ofdm(dev, 0x12, 0x00);
+
+			/* turn off RF */
+			RF_WriteReg(dev, 0x4, 0x0000);
+			RF_WriteReg(dev, 0x0, 0x0000);
+
+			/* turn off AFE except PLL */
+			write_nic_byte(dev, 0x62, 0xff);
+			write_nic_byte(dev, 0x54, 0xec);
+
+			mdelay(1);
+
+			{
+				int i = 0;
+				while (true) {
+					u8 tmp24F = read_nic_byte(dev, 0x24f);
+
+					if ((tmp24F == 0x01) ||
+							(tmp24F == 0x09)) {
+						bTurnOffBB = true;
+						break;
+					} else {
+						udelay(10);
+						i++;
+						priv->TxPollingTimes++;
+
+						if (priv->TxPollingTimes >= LPS_MAX_SLEEP_WAITING_TIMES_87SE) {
+							bTurnOffBB = false;
+							break;
+						} else
+							udelay(10);
+					}
+				}
+			}
+
+			if (bTurnOffBB) {
+				/* turn off BB */
+				u1bTmp = read_nic_byte(dev, 0x24E);
+				write_nic_byte(dev, 0x24E,
+						(u1bTmp | BIT5 | BIT6));
+
+				/* turn off AFE PLL */
+				write_nic_byte(dev, 0x54, 0xFC);
+				write_nic_word(dev, 0x37C, 0x00FC);
+			}
+		}
+		break;
+	case eRfOff:
+		for (QueueID = 0, i = 0; QueueID < 6;) {
+			if (get_curr_tx_free_desc(dev, QueueID) ==
+					priv->txringcount) {
+				QueueID++;
+				continue;
+			} else {
+				udelay(10);
+				i++;
+			}
+
+			if (i >= MAX_DOZE_WAITING_TIMES_85B)
+				break;
+		}
+
+		/* turn off BB RXIQ matrix to cut off rx signal */
+		write_phy_ofdm(dev, 0x10, 0x00);
+		write_phy_ofdm(dev, 0x12, 0x00);
+
+		/* turn off RF */
+		RF_WriteReg(dev, 0x4, 0x0000);
+		RF_WriteReg(dev, 0x0, 0x0000);
+
+		/* turn off AFE except PLL */
+		write_nic_byte(dev, 0x62, 0xff);
+		write_nic_byte(dev, 0x54, 0xec);
+
+		mdelay(1);
+
+		{
+			int i = 0;
+
+			while (true) {
+				u8 tmp24F = read_nic_byte(dev, 0x24f);
+
+				if ((tmp24F == 0x01) || (tmp24F == 0x09)) {
+					bTurnOffBB = true;
+					break;
+				} else {
+					bTurnOffBB = false;
+					udelay(10);
+					i++;
+				}
+
+				if (i > MAX_POLLING_24F_TIMES_87SE)
+					break;
+			}
+		}
+
+		if (bTurnOffBB) {
+			/* turn off BB */
+			u1bTmp = read_nic_byte(dev, 0x24E);
+			write_nic_byte(dev, 0x24E, (u1bTmp | BIT5 | BIT6));
+
+			/* turn off AFE PLL (80M) */
+			write_nic_byte(dev, 0x54, 0xFC);
+			write_nic_word(dev, 0x37C, 0x00FC);
+		}
+		break;
+	}
+
+	btConfig3 &= ~(CONFIG3_PARM_En);
+	write_nic_byte(dev, CONFIG3, btConfig3);
+
+	btCR9346 &= ~(0xC0);
+	write_nic_byte(dev, CR9346, btCR9346);
+
+	if (bResult && bActionAllowed)
+		priv->eRFPowerState = eRFPowerState;
+
+	priv->SetRFPowerStateInProgress = false;
+
+	return bResult && bActionAllowed;
+}
+
+void rtl8225z4_rf_sleep(struct net_device *dev)
+{
+	MgntActSet_RF_State(dev, eRfSleep, RF_CHANGE_BY_PS);
+}
+
+void rtl8225z4_rf_wakeup(struct net_device *dev)
+{
+	MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_PS);
+}