rtl8180: add RF code for rtl8225 zebra v4

This patch introduce new RF code for rtl8225 zebra v4 radio
frontend.

This code contains a lot of black magic and it can work probably
only with the radio embdedded in the rtl8187se single-chip.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rtl818x/rtl8180/Makefile

-rtl8180-objs		:= dev.o rtl8225.o sa2400.o max2820.o grf5101.o
+rtl8180-objs		:= dev.o rtl8225.o sa2400.o max2820.o grf5101.o rtl8225se.o
 
 obj-$(CONFIG_RTL8180)	+= rtl8180.o
 

drivers/net/wireless/rtl818x/rtl8180/dev.c

@@ -29,6 +29,7 @@
 #include "sa2400.h"
 #include "max2820.h"
 #include "grf5101.h"
+#include "rtl8225se.h"
 
 MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>");
 MODULE_AUTHOR("Andrea Merello <andrea.merello@gmail.com>");

drivers/net/wireless/rtl818x/rtl8180/rtl8225se.h

+
+/* Definitions for RTL8187SE hardware
+ *
+ * Copyright 2009 Larry Finger <Larry.Finger@lwfinger.net>
+ * Copyright 2014 Andrea Merello <andrea.merello@gmail.com>
+ *
+ * Based on the r8180 and Realtek r8187se drivers, which are:
+ * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
+ *
+ * Also based on the rtl8187 driver, which is:
+ * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2007 Andrea Merello <andrea.merello@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef RTL8187SE_RTL8225_H
+#define RTL8187SE_RTL8225_H
+
+#define RTL8225SE_ANAPARAM_ON	0xb0054d00
+#define RTL8225SE_ANAPARAM2_ON	0x000004c6
+
+/* all off except PLL */
+#define RTL8225SE_ANAPARAM_OFF	0xb0054dec
+/* all on including PLL */
+#define RTL8225SE_ANAPARAM_OFF2	0xb0054dfc
+
+#define RTL8225SE_ANAPARAM2_OFF	0x00ff04c6
+
+#define RTL8225SE_ANAPARAM3	0x10
+
+enum rtl8187se_power_state {
+	RTL8187SE_POWER_ON,
+	RTL8187SE_POWER_OFF,
+	RTL8187SE_POWER_SLEEP
+};
+
+static inline void rtl8225se_write_phy_ofdm(struct ieee80211_hw *dev,
+					  u8 addr, u8 data)
+{
+	rtl8180_write_phy(dev, addr, data);
+}
+
+static inline void rtl8225se_write_phy_cck(struct ieee80211_hw *dev,
+					 u8 addr, u8 data)
+{
+	rtl8180_write_phy(dev, addr, data | 0x10000);
+}
+
+
+const struct rtl818x_rf_ops *rtl8187se_detect_rf(struct ieee80211_hw *);
+void rtl8225se_rf_stop(struct ieee80211_hw *dev);
+void rtl8225se_rf_set_channel(struct ieee80211_hw *dev,
+				     struct ieee80211_conf *conf);
+void rtl8225se_rf_conf_erp(struct ieee80211_hw *dev,
+				  struct ieee80211_bss_conf *info);
+void rtl8225se_rf_init(struct ieee80211_hw *dev);
+
+#endif /* RTL8187SE_RTL8225_H */