rtl8180: add RF code for rtl8225 zebra v4
authorAndrea Merello <andrea.merello@gmail.com>
Wed, 26 Mar 2014 20:02:28 +0000 (21:02 +0100)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 27 Mar 2014 18:20:08 +0000 (14:20 -0400)
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
drivers/net/wireless/rtl818x/rtl8180/dev.c
drivers/net/wireless/rtl818x/rtl8180/rtl8225se.c [new file with mode: 0644]
drivers/net/wireless/rtl818x/rtl8180/rtl8225se.h [new file with mode: 0644]

index cb4fb8596f0badeada10a7dd8975888990e90c75..08b056db4a3b795282d1d9e878ab400d7090bcf2 100644 (file)
@@ -1,4 +1,4 @@
-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
 
index a3b67e656e59f582ed21b498e8e729b6ad8b6d5c..1c4a1485f4b7be13953d4bef6cacd03f8d741f11 100644 (file)
@@ -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>");
diff --git a/drivers/net/wireless/rtl818x/rtl8180/rtl8225se.c b/drivers/net/wireless/rtl818x/rtl8180/rtl8225se.c
new file mode 100644 (file)
index 0000000..fde8986
--- /dev/null
@@ -0,0 +1,475 @@
+
+/* Radio tuning for RTL8225 on RTL8187SE
+ *
+ * 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.
+ */
+
+#include <net/mac80211.h>
+
+#include "rtl8180.h"
+#include "rtl8225se.h"
+
+#define PFX "rtl8225 (se) "
+
+static const u32 RF_GAIN_TABLE[] = {
+       0x0096, 0x0076, 0x0056, 0x0036, 0x0016, 0x01f6, 0x01d6, 0x01b6,
+       0x0196, 0x0176, 0x00F7, 0x00D7, 0x00B7, 0x0097, 0x0077, 0x0057,
+       0x0037, 0x00FB, 0x00DB, 0x00BB, 0x00FF, 0x00E3, 0x00C3, 0x00A3,
+       0x0083, 0x0063, 0x0043, 0x0023, 0x0003, 0x01E3, 0x01C3, 0x01A3,
+       0x0183, 0x0163, 0x0143, 0x0123, 0x0103
+};
+
+static const u8 cck_ofdm_gain_settings[] = {
+       0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
+       0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
+       0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11,
+       0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+       0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
+       0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23,
+};
+
+static const u8 rtl8225se_tx_gain_cck_ofdm[] = {
+       0x02, 0x06, 0x0e, 0x1e, 0x3e, 0x7e
+};
+
+static const u8 rtl8225se_tx_power_cck[] = {
+       0x18, 0x17, 0x15, 0x11, 0x0c, 0x08, 0x04, 0x02,
+       0x1b, 0x1a, 0x17, 0x13, 0x0e, 0x09, 0x04, 0x02,
+       0x1f, 0x1e, 0x1a, 0x15, 0x10, 0x0a, 0x05, 0x02,
+       0x22, 0x21, 0x1d, 0x18, 0x11, 0x0b, 0x06, 0x02,
+       0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03,
+       0x2b, 0x2a, 0x25, 0x1e, 0x16, 0x0e, 0x07, 0x03
+};
+
+static const u8 rtl8225se_tx_power_cck_ch14[] = {
+       0x18, 0x17, 0x15, 0x0c, 0x00, 0x00, 0x00, 0x00,
+       0x1b, 0x1a, 0x17, 0x0e, 0x00, 0x00, 0x00, 0x00,
+       0x1f, 0x1e, 0x1a, 0x0f, 0x00, 0x00, 0x00, 0x00,
+       0x22, 0x21, 0x1d, 0x11, 0x00, 0x00, 0x00, 0x00,
+       0x26, 0x25, 0x21, 0x13, 0x00, 0x00, 0x00, 0x00,
+       0x2b, 0x2a, 0x25, 0x15, 0x00, 0x00, 0x00, 0x00
+};
+
+static const u8 rtl8225se_tx_power_ofdm[] = {
+       0x80, 0x90, 0xa2, 0xb5, 0xcb, 0xe4
+};
+
+static const u32 rtl8225se_chan[] = {
+       0x0080, 0x0100, 0x0180, 0x0200, 0x0280, 0x0300, 0x0380,
+       0x0400, 0x0480, 0x0500, 0x0580, 0x0600, 0x0680, 0x074A,
+};
+
+static const u8 rtl8225sez2_tx_power_cck_ch14[] = {
+       0x36, 0x35, 0x2e, 0x1b, 0x00, 0x00, 0x00, 0x00
+};
+
+static const u8 rtl8225sez2_tx_power_cck_B[] = {
+       0x30, 0x2f, 0x29, 0x21, 0x19, 0x10, 0x08, 0x04
+};
+
+static const u8 rtl8225sez2_tx_power_cck_A[] = {
+       0x33, 0x32, 0x2b, 0x23, 0x1a, 0x11, 0x08, 0x04
+};
+
+static const u8 rtl8225sez2_tx_power_cck[] = {
+       0x36, 0x35, 0x2e, 0x25, 0x1c, 0x12, 0x09, 0x04
+};
+
+static const u8 ZEBRA_AGC[] = {
+       0x7E, 0x7E, 0x7E, 0x7E, 0x7D, 0x7C, 0x7B, 0x7A,
+       0x79, 0x78, 0x77, 0x76, 0x75, 0x74, 0x73, 0x72,
+       0x71, 0x70, 0x6F, 0x6E, 0x6D, 0x6C, 0x6B, 0x6A,
+       0x69, 0x68, 0x67, 0x66, 0x65, 0x64, 0x63, 0x62,
+       0x48, 0x47, 0x46, 0x45, 0x44, 0x29, 0x28, 0x27,
+       0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x08, 0x07,
+       0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
+       0x0f, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x15, 0x16,
+       0x17, 0x17, 0x18, 0x18, 0x19, 0x1a, 0x1a, 0x1b,
+       0x1b, 0x1c, 0x1c, 0x1d, 0x1d, 0x1d, 0x1e, 0x1e,
+       0x1f, 0x1f, 0x1f, 0x20, 0x20, 0x20, 0x20, 0x21,
+       0x21, 0x21, 0x22, 0x22, 0x22, 0x23, 0x23, 0x24,
+       0x24, 0x25, 0x25, 0x25, 0x26, 0x26, 0x27, 0x27,
+       0x2F, 0x2F, 0x2F, 0x2F, 0x2F, 0x2F, 0x2F, 0x2F
+};
+
+static const u8 OFDM_CONFIG[] = {
+       0x10, 0x0F, 0x0A, 0x0C, 0x14, 0xFA, 0xFF, 0x50,
+       0x00, 0x50, 0x00, 0x00, 0x00, 0x5C, 0x00, 0x00,
+       0x40, 0x00, 0x40, 0x00, 0x00, 0x00, 0xA8, 0x26,
+       0x32, 0x33, 0x06, 0xA5, 0x6F, 0x55, 0xC8, 0xBB,
+       0x0A, 0xE1, 0x2C, 0x4A, 0x86, 0x83, 0x34, 0x00,
+       0x4F, 0x24, 0x6F, 0xC2, 0x03, 0x40, 0x80, 0x00,
+       0xC0, 0xC1, 0x58, 0xF1, 0x00, 0xC4, 0x90, 0x3e,
+       0xD8, 0x3C, 0x7B, 0x10, 0x10
+};
+
+static void rtl8187se_three_wire_io(struct ieee80211_hw *dev, u8 *data,
+                                   u8 len, bool write)
+{
+       struct rtl8180_priv *priv = dev->priv;
+       int i;
+       u8 tmp;
+
+       do {
+               for (i = 0; i < 5; i++) {
+                       tmp = rtl818x_ioread8(priv, SW_3W_CMD1);
+                       if (!(tmp & 0x3))
+                               break;
+                       udelay(10);
+               }
+               if (i == 5)
+                       wiphy_err(dev->wiphy, PFX
+                               "CmdReg: 0x%x RE/WE bits aren't clear\n", tmp);
+
+               tmp = rtl818x_ioread8(priv, &priv->map->rf_sw_config) | 0x02;
+               rtl818x_iowrite8(priv, &priv->map->rf_sw_config, tmp);
+
+               tmp = rtl818x_ioread8(priv, REG_ADDR1(0x84)) & 0xF7;
+               rtl818x_iowrite8(priv, REG_ADDR1(0x84), tmp);
+               if (write) {
+                       if (len == 16) {
+                               rtl818x_iowrite16(priv, SW_3W_DB0,
+                                 *(u16 *)data);
+                       } else if (len == 64) {
+                               rtl818x_iowrite32(priv, SW_3W_DB0_4,
+                                 *((u32 *)data));
+                               rtl818x_iowrite32(priv, SW_3W_DB1_4,
+                                 *((u32 *)(data + 4)));
+                       } else
+                               wiphy_err(dev->wiphy, PFX
+                                       "Unimplemented length\n");
+               } else {
+                       rtl818x_iowrite16(priv, SW_3W_DB0, *(u16 *)data);
+               }
+               if (write)
+                       tmp = 2;
+               else
+                       tmp = 1;
+               rtl818x_iowrite8(priv, SW_3W_CMD1, tmp);
+               for (i = 0; i < 5; i++) {
+                       tmp = rtl818x_ioread8(priv, SW_3W_CMD1);
+                       if (!(tmp & 0x3))
+                               break;
+                       udelay(10);
+               }
+               rtl818x_iowrite8(priv, SW_3W_CMD1, 0);
+               if (!write) {
+                       *((u16 *)data) = rtl818x_ioread16(priv, SI_DATA_REG);
+                       *((u16 *)data) &= 0x0FFF;
+               }
+       } while (0);
+}
+
+static u32 rtl8187se_rf_readreg(struct ieee80211_hw *dev, u8 addr)
+{
+       u32 dataread = addr & 0x0F;
+       rtl8187se_three_wire_io(dev, (u8 *)&dataread, 16, 0);
+       return dataread;
+}
+
+static void rtl8187se_rf_writereg(struct ieee80211_hw *dev, u8 addr, u32 data)
+{
+       u32 outdata = (data << 4) | (u32)(addr & 0x0F);
+       rtl8187se_three_wire_io(dev, (u8 *)&outdata, 16, 1);
+}
+
+
+static void rtl8225se_write_zebra_agc(struct ieee80211_hw *dev)
+{
+       int i;
+
+       for (i = 0; i < 128; i++) {
+               rtl8225se_write_phy_ofdm(dev, 0xF, ZEBRA_AGC[i]);
+               rtl8225se_write_phy_ofdm(dev, 0xE, i+0x80);
+               rtl8225se_write_phy_ofdm(dev, 0xE, 0);
+       }
+}
+
+static void rtl8187se_write_ofdm_config(struct ieee80211_hw *dev)
+{
+       /* write OFDM_CONFIG table */
+       int i;
+
+       for (i = 0; i < 60; i++)
+               rtl8225se_write_phy_ofdm(dev, i, OFDM_CONFIG[i]);
+
+}
+
+static void rtl8225sez2_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
+{
+       struct rtl8180_priv *priv = dev->priv;
+       u8 cck_power, ofdm_power;
+
+       cck_power = priv->channels[channel - 1].hw_value & 0xFF;
+       if (cck_power > 35)
+               cck_power = 35;
+       rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK,
+                        cck_ofdm_gain_settings[cck_power]);
+
+       usleep_range(1000, 5000);
+       ofdm_power = priv->channels[channel - 1].hw_value >> 8;
+       if (ofdm_power > 35)
+               ofdm_power = 35;
+
+       rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM,
+                        cck_ofdm_gain_settings[ofdm_power]);
+       if (ofdm_power < 12) {
+               rtl8225se_write_phy_ofdm(dev, 7, 0x5C);
+               rtl8225se_write_phy_ofdm(dev, 9, 0x5C);
+       }
+       if (ofdm_power < 18) {
+               rtl8225se_write_phy_ofdm(dev, 7, 0x54);
+               rtl8225se_write_phy_ofdm(dev, 9, 0x54);
+       } else {
+               rtl8225se_write_phy_ofdm(dev, 7, 0x50);
+               rtl8225se_write_phy_ofdm(dev, 9, 0x50);
+       }
+
+       usleep_range(1000, 5000);
+}
+
+static void rtl8187se_write_rf_gain(struct ieee80211_hw *dev)
+{
+       int i;
+
+       for (i = 0; i <= 36; i++) {
+               rtl8187se_rf_writereg(dev, 0x01, i); mdelay(1);
+               rtl8187se_rf_writereg(dev, 0x02, RF_GAIN_TABLE[i]); mdelay(1);
+       }
+}
+
+static void rtl8187se_write_initial_gain(struct ieee80211_hw *dev,
+                                       int init_gain)
+{
+       switch (init_gain) {
+       default:
+               rtl8225se_write_phy_ofdm(dev, 0x17, 0x26); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x24, 0x86); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x05, 0xFA); mdelay(1);
+               break;
+       case 2:
+               rtl8225se_write_phy_ofdm(dev, 0x17, 0x36); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x24, 0x86); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x05, 0xFA); mdelay(1);
+               break;
+       case 3:
+               rtl8225se_write_phy_ofdm(dev, 0x17, 0x36); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x24, 0x86); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x05, 0xFB); mdelay(1);
+               break;
+       case 4:
+               rtl8225se_write_phy_ofdm(dev, 0x17, 0x46); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x24, 0x86); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x05, 0xFB); mdelay(1);
+               break;
+       case 5:
+               rtl8225se_write_phy_ofdm(dev, 0x17, 0x46); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x24, 0x96); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x05, 0xFB); mdelay(1);
+               break;
+       case 6:
+               rtl8225se_write_phy_ofdm(dev, 0x17, 0x56); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x24, 0x96); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x05, 0xFC); mdelay(1);
+               break;
+       case 7:
+               rtl8225se_write_phy_ofdm(dev, 0x17, 0x56); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x24, 0xA6); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x05, 0xFC); mdelay(1);
+               break;
+       case 8:
+               rtl8225se_write_phy_ofdm(dev, 0x17, 0x66); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x24, 0xB6); mdelay(1);
+               rtl8225se_write_phy_ofdm(dev, 0x05, 0xFC); mdelay(1);
+               break;
+       }
+}
+
+void rtl8225se_rf_init(struct ieee80211_hw *dev)
+{
+       struct rtl8180_priv *priv = dev->priv;
+       u32 rf23, rf24;
+       u8 d_cut = 0;
+       u8 tmp;
+
+       /* Page 1 */
+       rtl8187se_rf_writereg(dev, 0x00, 0x013F); mdelay(1);
+       rf23 = rtl8187se_rf_readreg(dev, 0x08); mdelay(1);
+       rf24 = rtl8187se_rf_readreg(dev, 0x09); mdelay(1);
+       if (rf23 == 0x0818 && rf24 == 0x070C)
+               d_cut = 1;
+
+       wiphy_info(dev->wiphy, "RTL8225-SE version %s\n",
+               d_cut ? "D" : "not-D");
+
+       /* Page 0: reg 0 - 15 */
+       rtl8187se_rf_writereg(dev, 0x00, 0x009F); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x01, 0x06E0); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x02, 0x004D); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x03, 0x07F1); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x04, 0x0975); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x05, 0x0C72); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x06, 0x0AE6); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x07, 0x00CA); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x08, 0x0E1C); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x09, 0x02F0); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0A, 0x09D0); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0B, 0x01BA); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0C, 0x0640); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0D, 0x08DF); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0E, 0x0020); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0F, 0x0990); mdelay(1);
+       /* page 1: reg 16-30 */
+       rtl8187se_rf_writereg(dev, 0x00, 0x013F); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x03, 0x0806); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x04, 0x03A7); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x05, 0x059B); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x06, 0x0081); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x07, 0x01A0); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0A, 0x0001); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0B, 0x0418); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0C, 0x0FBE); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0D, 0x0008); mdelay(1);
+       if (d_cut)
+               rtl8187se_rf_writereg(dev, 0x0E, 0x0807);
+       else
+               rtl8187se_rf_writereg(dev, 0x0E, 0x0806);
+       mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0F, 0x0ACC); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x00, 0x01D7); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x03, 0x0E00); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x04, 0x0E50); mdelay(1);
+
+       rtl8187se_write_rf_gain(dev);
+
+       rtl8187se_rf_writereg(dev, 0x05, 0x0203); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x06, 0x0200); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x00, 0x0137); mdelay(11);
+       rtl8187se_rf_writereg(dev, 0x0D, 0x0008); mdelay(11);
+       rtl8187se_rf_writereg(dev, 0x00, 0x0037); mdelay(11);
+       rtl8187se_rf_writereg(dev, 0x04, 0x0160); mdelay(11);
+       rtl8187se_rf_writereg(dev, 0x07, 0x0080); mdelay(11);
+       rtl8187se_rf_writereg(dev, 0x02, 0x088D); mdelay(221);
+       rtl8187se_rf_writereg(dev, 0x00, 0x0137); mdelay(11);
+       rtl8187se_rf_writereg(dev, 0x07, 0x0000); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x07, 0x0180); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x07, 0x0220); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x07, 0x03E0); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x06, 0x00C1); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0A, 0x0001); mdelay(1);
+       if (priv->xtal_cal) {
+               tmp = (priv->xtal_in << 4) | (priv->xtal_out << 1) |
+                     (1 << 11) | (1 << 9);
+               rtl8187se_rf_writereg(dev, 0x0F, tmp);
+               wiphy_info(dev->wiphy, "Xtal cal\n");
+               mdelay(1);
+       } else {
+               wiphy_info(dev->wiphy, "NO Xtal cal\n");
+               rtl8187se_rf_writereg(dev, 0x0F, 0x0ACC);
+               mdelay(1);
+       }
+       /* page 0 */
+       rtl8187se_rf_writereg(dev, 0x00, 0x00BF); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x0D, 0x08DF); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x02, 0x004D); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x04, 0x0975); mdelay(31);
+       rtl8187se_rf_writereg(dev, 0x00, 0x0197); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x05, 0x05AB); mdelay(1);
+
+       rtl8187se_rf_writereg(dev, 0x00, 0x009F); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x01, 0x0000); mdelay(1);
+       rtl8187se_rf_writereg(dev, 0x02, 0x0000); mdelay(1);
+       /* power save parameters */
+       /* TODO: move to dev.c */
+       rtl818x_iowrite8(priv, REG_ADDR1(0x024E),
+                rtl818x_ioread8(priv, REG_ADDR1(0x24E)) & 0x9F);
+       rtl8225se_write_phy_cck(dev, 0x00, 0xC8);
+       rtl8225se_write_phy_cck(dev, 0x06, 0x1C);
+       rtl8225se_write_phy_cck(dev, 0x10, 0x78);
+       rtl8225se_write_phy_cck(dev, 0x2E, 0xD0);
+       rtl8225se_write_phy_cck(dev, 0x2F, 0x06);
+       rtl8225se_write_phy_cck(dev, 0x01, 0x46);
+
+       /* power control */
+       rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK, 0x10);
+       rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM, 0x1B);
+
+       rtl818x_iowrite8(priv, &priv->map->TX_ANTENNA, 0x03);
+       rtl8225se_write_phy_ofdm(dev, 0x00, 0x12);
+
+       rtl8225se_write_zebra_agc(dev);
+
+       rtl8225se_write_phy_ofdm(dev, 0x10, 0x00);
+
+       rtl8187se_write_ofdm_config(dev);
+
+       /* turn on RF */
+       rtl8187se_rf_writereg(dev, 0x00, 0x009F); udelay(500);
+       rtl8187se_rf_writereg(dev, 0x04, 0x0972); udelay(500);
+       /* turn on RF again */
+       rtl8187se_rf_writereg(dev, 0x00, 0x009F); udelay(500);
+       rtl8187se_rf_writereg(dev, 0x04, 0x0972); udelay(500);
+       /* turn on BB */
+       rtl8225se_write_phy_ofdm(dev, 0x10, 0x40);
+       rtl8225se_write_phy_ofdm(dev, 0x12, 0x40);
+
+       rtl8187se_write_initial_gain(dev, 4);
+}
+
+void rtl8225se_rf_stop(struct ieee80211_hw *dev)
+{
+       /* checked for 8187se */
+       struct rtl8180_priv *priv = dev->priv;
+
+       /* turn off BB RXIQ matrix to cut off rx signal */
+       rtl8225se_write_phy_ofdm(dev, 0x10, 0x00);
+       rtl8225se_write_phy_ofdm(dev, 0x12, 0x00);
+       /* turn off RF */
+       rtl8187se_rf_writereg(dev, 0x04, 0x0000);
+       rtl8187se_rf_writereg(dev, 0x00, 0x0000);
+
+       usleep_range(1000, 5000);
+       /* turn off A/D and D/A */
+       rtl8180_set_anaparam(priv, RTL8225SE_ANAPARAM_OFF);
+       rtl8180_set_anaparam2(priv, RTL8225SE_ANAPARAM2_OFF);
+}
+
+void rtl8225se_rf_set_channel(struct ieee80211_hw *dev,
+                                  struct ieee80211_conf *conf)
+{
+       int chan =
+               ieee80211_frequency_to_channel(conf->chandef.chan->center_freq);
+
+       rtl8225sez2_rf_set_tx_power(dev, chan);
+       rtl8187se_rf_writereg(dev, 0x7, rtl8225se_chan[chan - 1]);
+       if ((rtl8187se_rf_readreg(dev, 0x7) & 0x0F80) !=
+               rtl8225se_chan[chan - 1])
+               rtl8187se_rf_writereg(dev, 0x7, rtl8225se_chan[chan - 1]);
+       usleep_range(10000, 20000);
+}
+
+static const struct rtl818x_rf_ops rtl8225se_ops = {
+       .name           = "rtl8225-se",
+       .init           = rtl8225se_rf_init,
+       .stop           = rtl8225se_rf_stop,
+       .set_chan       = rtl8225se_rf_set_channel,
+};
+
+const struct rtl818x_rf_ops *rtl8187se_detect_rf(struct ieee80211_hw *dev)
+{
+       return &rtl8225se_ops;
+}
diff --git a/drivers/net/wireless/rtl818x/rtl8180/rtl8225se.h b/drivers/net/wireless/rtl818x/rtl8180/rtl8225se.h
new file mode 100644 (file)
index 0000000..2294002
--- /dev/null
@@ -0,0 +1,61 @@
+
+/* 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 */