linux/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
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   1/*
   2 * RTL8XXXU mac80211 USB driver - 8192e specific subdriver
   3 *
   4 * Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com>
   5 *
   6 * Portions, notably calibration code:
   7 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   8 *
   9 * This driver was written as a replacement for the vendor provided
  10 * rtl8723au driver. As the Realtek 8xxx chips are very similar in
  11 * their programming interface, I have started adding support for
  12 * additional 8xxx chips like the 8192cu, 8188cus, etc.
  13 *
  14 * This program is free software; you can redistribute it and/or modify it
  15 * under the terms of version 2 of the GNU General Public License as
  16 * published by the Free Software Foundation.
  17 *
  18 * This program is distributed in the hope that it will be useful, but WITHOUT
  19 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  20 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  21 * more details.
  22 */
  23
  24#include <linux/init.h>
  25#include <linux/kernel.h>
  26#include <linux/sched.h>
  27#include <linux/errno.h>
  28#include <linux/slab.h>
  29#include <linux/module.h>
  30#include <linux/spinlock.h>
  31#include <linux/list.h>
  32#include <linux/usb.h>
  33#include <linux/netdevice.h>
  34#include <linux/etherdevice.h>
  35#include <linux/ethtool.h>
  36#include <linux/wireless.h>
  37#include <linux/firmware.h>
  38#include <linux/moduleparam.h>
  39#include <net/mac80211.h>
  40#include "rtl8xxxu.h"
  41#include "rtl8xxxu_regs.h"
  42
  43static struct rtl8xxxu_reg8val rtl8192e_mac_init_table[] = {
  44        {0x011, 0xeb}, {0x012, 0x07}, {0x014, 0x75}, {0x303, 0xa7},
  45        {0x428, 0x0a}, {0x429, 0x10}, {0x430, 0x00}, {0x431, 0x00},
  46        {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05},
  47        {0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05},
  48        {0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01},
  49        {0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00},
  50        {0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f},
  51        {0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00},
  52        {0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f},
  53        {0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66},
  54        {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff}, {0x4cd, 0xff},
  55        {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2}, {0x502, 0x2f},
  56        {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3}, {0x506, 0x5e},
  57        {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4}, {0x50a, 0x5e},
  58        {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4}, {0x50e, 0x00},
  59        {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a}, {0x516, 0x0a},
  60        {0x525, 0x4f}, {0x540, 0x12}, {0x541, 0x64}, {0x550, 0x10},
  61        {0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50}, {0x55d, 0xff},
  62        {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a}, {0x620, 0xff},
  63        {0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff}, {0x624, 0xff},
  64        {0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff}, {0x638, 0x50},
  65        {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e}, {0x63f, 0x0e},
  66        {0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00}, {0x652, 0xc8},
  67        {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43}, {0x702, 0x65},
  68        {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43}, {0x70a, 0x65},
  69        {0x70b, 0x87},
  70        {0xffff, 0xff},
  71};
  72
  73static struct rtl8xxxu_reg32val rtl8192eu_phy_init_table[] = {
  74        {0x800, 0x80040000}, {0x804, 0x00000003},
  75        {0x808, 0x0000fc00}, {0x80c, 0x0000000a},
  76        {0x810, 0x10001331}, {0x814, 0x020c3d10},
  77        {0x818, 0x02220385}, {0x81c, 0x00000000},
  78        {0x820, 0x01000100}, {0x824, 0x00390204},
  79        {0x828, 0x01000100}, {0x82c, 0x00390204},
  80        {0x830, 0x32323232}, {0x834, 0x30303030},
  81        {0x838, 0x30303030}, {0x83c, 0x30303030},
  82        {0x840, 0x00010000}, {0x844, 0x00010000},
  83        {0x848, 0x28282828}, {0x84c, 0x28282828},
  84        {0x850, 0x00000000}, {0x854, 0x00000000},
  85        {0x858, 0x009a009a}, {0x85c, 0x01000014},
  86        {0x860, 0x66f60000}, {0x864, 0x061f0000},
  87        {0x868, 0x30303030}, {0x86c, 0x30303030},
  88        {0x870, 0x00000000}, {0x874, 0x55004200},
  89        {0x878, 0x08080808}, {0x87c, 0x00000000},
  90        {0x880, 0xb0000c1c}, {0x884, 0x00000001},
  91        {0x888, 0x00000000}, {0x88c, 0xcc0000c0},
  92        {0x890, 0x00000800}, {0x894, 0xfffffffe},
  93        {0x898, 0x40302010}, {0x900, 0x00000000},
  94        {0x904, 0x00000023}, {0x908, 0x00000000},
  95        {0x90c, 0x81121313}, {0x910, 0x806c0001},
  96        {0x914, 0x00000001}, {0x918, 0x00000000},
  97        {0x91c, 0x00010000}, {0x924, 0x00000001},
  98        {0x928, 0x00000000}, {0x92c, 0x00000000},
  99        {0x930, 0x00000000}, {0x934, 0x00000000},
 100        {0x938, 0x00000000}, {0x93c, 0x00000000},
 101        {0x940, 0x00000000}, {0x944, 0x00000000},
 102        {0x94c, 0x00000008}, {0xa00, 0x00d0c7c8},
 103        {0xa04, 0x81ff000c}, {0xa08, 0x8c838300},
 104        {0xa0c, 0x2e68120f}, {0xa10, 0x95009b78},
 105        {0xa14, 0x1114d028}, {0xa18, 0x00881117},
 106        {0xa1c, 0x89140f00}, {0xa20, 0x1a1b0000},
 107        {0xa24, 0x090e1317}, {0xa28, 0x00000204},
 108        {0xa2c, 0x00d30000}, {0xa70, 0x101fff00},
 109        {0xa74, 0x00000007}, {0xa78, 0x00000900},
 110        {0xa7c, 0x225b0606}, {0xa80, 0x218075b1},
 111        {0xb38, 0x00000000}, {0xc00, 0x48071d40},
 112        {0xc04, 0x03a05633}, {0xc08, 0x000000e4},
 113        {0xc0c, 0x6c6c6c6c}, {0xc10, 0x08800000},
 114        {0xc14, 0x40000100}, {0xc18, 0x08800000},
 115        {0xc1c, 0x40000100}, {0xc20, 0x00000000},
 116        {0xc24, 0x00000000}, {0xc28, 0x00000000},
 117        {0xc2c, 0x00000000}, {0xc30, 0x69e9ac47},
 118        {0xc34, 0x469652af}, {0xc38, 0x49795994},
 119        {0xc3c, 0x0a97971c}, {0xc40, 0x1f7c403f},
 120        {0xc44, 0x000100b7}, {0xc48, 0xec020107},
 121        {0xc4c, 0x007f037f},
 122#ifdef EXT_PA_8192EU
 123        /* External PA or external LNA */
 124        {0xc50, 0x00340220},
 125#else
 126        {0xc50, 0x00340020},
 127#endif
 128        {0xc54, 0x0080801f},
 129#ifdef EXT_PA_8192EU
 130        /* External PA or external LNA */
 131        {0xc58, 0x00000220},
 132#else
 133        {0xc58, 0x00000020},
 134#endif
 135        {0xc5c, 0x00248492}, {0xc60, 0x00000000},
 136        {0xc64, 0x7112848b}, {0xc68, 0x47c00bff},
 137        {0xc6c, 0x00000036}, {0xc70, 0x00000600},
 138        {0xc74, 0x02013169}, {0xc78, 0x0000001f},
 139        {0xc7c, 0x00b91612},
 140#ifdef EXT_PA_8192EU
 141        /* External PA or external LNA */
 142        {0xc80, 0x2d4000b5},
 143#else
 144        {0xc80, 0x40000100},
 145#endif
 146        {0xc84, 0x21f60000},
 147#ifdef EXT_PA_8192EU
 148        /* External PA or external LNA */
 149        {0xc88, 0x2d4000b5},
 150#else
 151        {0xc88, 0x40000100},
 152#endif
 153        {0xc8c, 0xa0e40000}, {0xc90, 0x00121820},
 154        {0xc94, 0x00000000}, {0xc98, 0x00121820},
 155        {0xc9c, 0x00007f7f}, {0xca0, 0x00000000},
 156        {0xca4, 0x000300a0}, {0xca8, 0x00000000},
 157        {0xcac, 0x00000000}, {0xcb0, 0x00000000},
 158        {0xcb4, 0x00000000}, {0xcb8, 0x00000000},
 159        {0xcbc, 0x28000000}, {0xcc0, 0x00000000},
 160        {0xcc4, 0x00000000}, {0xcc8, 0x00000000},
 161        {0xccc, 0x00000000}, {0xcd0, 0x00000000},
 162        {0xcd4, 0x00000000}, {0xcd8, 0x64b22427},
 163        {0xcdc, 0x00766932}, {0xce0, 0x00222222},
 164        {0xce4, 0x00040000}, {0xce8, 0x77644302},
 165        {0xcec, 0x2f97d40c}, {0xd00, 0x00080740},
 166        {0xd04, 0x00020403}, {0xd08, 0x0000907f},
 167        {0xd0c, 0x20010201}, {0xd10, 0xa0633333},
 168        {0xd14, 0x3333bc43}, {0xd18, 0x7a8f5b6b},
 169        {0xd1c, 0x0000007f}, {0xd2c, 0xcc979975},
 170        {0xd30, 0x00000000}, {0xd34, 0x80608000},
 171        {0xd38, 0x00000000}, {0xd3c, 0x00127353},
 172        {0xd40, 0x00000000}, {0xd44, 0x00000000},
 173        {0xd48, 0x00000000}, {0xd4c, 0x00000000},
 174        {0xd50, 0x6437140a}, {0xd54, 0x00000000},
 175        {0xd58, 0x00000282}, {0xd5c, 0x30032064},
 176        {0xd60, 0x4653de68}, {0xd64, 0x04518a3c},
 177        {0xd68, 0x00002101}, {0xd6c, 0x2a201c16},
 178        {0xd70, 0x1812362e}, {0xd74, 0x322c2220},
 179        {0xd78, 0x000e3c24}, {0xd80, 0x01081008},
 180        {0xd84, 0x00000800}, {0xd88, 0xf0b50000},
 181        {0xe00, 0x30303030}, {0xe04, 0x30303030},
 182        {0xe08, 0x03903030}, {0xe10, 0x30303030},
 183        {0xe14, 0x30303030}, {0xe18, 0x30303030},
 184        {0xe1c, 0x30303030}, {0xe28, 0x00000000},
 185        {0xe30, 0x1000dc1f}, {0xe34, 0x10008c1f},
 186        {0xe38, 0x02140102}, {0xe3c, 0x681604c2},
 187        {0xe40, 0x01007c00}, {0xe44, 0x01004800},
 188        {0xe48, 0xfb000000}, {0xe4c, 0x000028d1},
 189        {0xe50, 0x1000dc1f}, {0xe54, 0x10008c1f},
 190        {0xe58, 0x02140102}, {0xe5c, 0x28160d05},
 191        {0xe60, 0x00000008}, {0xe68, 0x0fc05656},
 192        {0xe6c, 0x03c09696}, {0xe70, 0x03c09696},
 193        {0xe74, 0x0c005656}, {0xe78, 0x0c005656},
 194        {0xe7c, 0x0c005656}, {0xe80, 0x0c005656},
 195        {0xe84, 0x03c09696}, {0xe88, 0x0c005656},
 196        {0xe8c, 0x03c09696}, {0xed0, 0x03c09696},
 197        {0xed4, 0x03c09696}, {0xed8, 0x03c09696},
 198        {0xedc, 0x0000d6d6}, {0xee0, 0x0000d6d6},
 199        {0xeec, 0x0fc01616}, {0xee4, 0xb0000c1c},
 200        {0xee8, 0x00000001}, {0xf14, 0x00000003},
 201        {0xf4c, 0x00000000}, {0xf00, 0x00000300},
 202        {0xffff, 0xffffffff},
 203};
 204
 205static struct rtl8xxxu_reg32val rtl8xxx_agc_8192eu_std_table[] = {
 206        {0xc78, 0xfb000001}, {0xc78, 0xfb010001},
 207        {0xc78, 0xfb020001}, {0xc78, 0xfb030001},
 208        {0xc78, 0xfb040001}, {0xc78, 0xfb050001},
 209        {0xc78, 0xfa060001}, {0xc78, 0xf9070001},
 210        {0xc78, 0xf8080001}, {0xc78, 0xf7090001},
 211        {0xc78, 0xf60a0001}, {0xc78, 0xf50b0001},
 212        {0xc78, 0xf40c0001}, {0xc78, 0xf30d0001},
 213        {0xc78, 0xf20e0001}, {0xc78, 0xf10f0001},
 214        {0xc78, 0xf0100001}, {0xc78, 0xef110001},
 215        {0xc78, 0xee120001}, {0xc78, 0xed130001},
 216        {0xc78, 0xec140001}, {0xc78, 0xeb150001},
 217        {0xc78, 0xea160001}, {0xc78, 0xe9170001},
 218        {0xc78, 0xe8180001}, {0xc78, 0xe7190001},
 219        {0xc78, 0xc81a0001}, {0xc78, 0xc71b0001},
 220        {0xc78, 0xc61c0001}, {0xc78, 0x071d0001},
 221        {0xc78, 0x061e0001}, {0xc78, 0x051f0001},
 222        {0xc78, 0x04200001}, {0xc78, 0x03210001},
 223        {0xc78, 0xaa220001}, {0xc78, 0xa9230001},
 224        {0xc78, 0xa8240001}, {0xc78, 0xa7250001},
 225        {0xc78, 0xa6260001}, {0xc78, 0x85270001},
 226        {0xc78, 0x84280001}, {0xc78, 0x83290001},
 227        {0xc78, 0x252a0001}, {0xc78, 0x242b0001},
 228        {0xc78, 0x232c0001}, {0xc78, 0x222d0001},
 229        {0xc78, 0x672e0001}, {0xc78, 0x662f0001},
 230        {0xc78, 0x65300001}, {0xc78, 0x64310001},
 231        {0xc78, 0x63320001}, {0xc78, 0x62330001},
 232        {0xc78, 0x61340001}, {0xc78, 0x45350001},
 233        {0xc78, 0x44360001}, {0xc78, 0x43370001},
 234        {0xc78, 0x42380001}, {0xc78, 0x41390001},
 235        {0xc78, 0x403a0001}, {0xc78, 0x403b0001},
 236        {0xc78, 0x403c0001}, {0xc78, 0x403d0001},
 237        {0xc78, 0x403e0001}, {0xc78, 0x403f0001},
 238        {0xc78, 0xfb400001}, {0xc78, 0xfb410001},
 239        {0xc78, 0xfb420001}, {0xc78, 0xfb430001},
 240        {0xc78, 0xfb440001}, {0xc78, 0xfb450001},
 241        {0xc78, 0xfa460001}, {0xc78, 0xf9470001},
 242        {0xc78, 0xf8480001}, {0xc78, 0xf7490001},
 243        {0xc78, 0xf64a0001}, {0xc78, 0xf54b0001},
 244        {0xc78, 0xf44c0001}, {0xc78, 0xf34d0001},
 245        {0xc78, 0xf24e0001}, {0xc78, 0xf14f0001},
 246        {0xc78, 0xf0500001}, {0xc78, 0xef510001},
 247        {0xc78, 0xee520001}, {0xc78, 0xed530001},
 248        {0xc78, 0xec540001}, {0xc78, 0xeb550001},
 249        {0xc78, 0xea560001}, {0xc78, 0xe9570001},
 250        {0xc78, 0xe8580001}, {0xc78, 0xe7590001},
 251        {0xc78, 0xe65a0001}, {0xc78, 0xe55b0001},
 252        {0xc78, 0xe45c0001}, {0xc78, 0xe35d0001},
 253        {0xc78, 0xe25e0001}, {0xc78, 0xe15f0001},
 254        {0xc78, 0x8a600001}, {0xc78, 0x89610001},
 255        {0xc78, 0x88620001}, {0xc78, 0x87630001},
 256        {0xc78, 0x86640001}, {0xc78, 0x85650001},
 257        {0xc78, 0x84660001}, {0xc78, 0x83670001},
 258        {0xc78, 0x82680001}, {0xc78, 0x6b690001},
 259        {0xc78, 0x6a6a0001}, {0xc78, 0x696b0001},
 260        {0xc78, 0x686c0001}, {0xc78, 0x676d0001},
 261        {0xc78, 0x666e0001}, {0xc78, 0x656f0001},
 262        {0xc78, 0x64700001}, {0xc78, 0x63710001},
 263        {0xc78, 0x62720001}, {0xc78, 0x61730001},
 264        {0xc78, 0x49740001}, {0xc78, 0x48750001},
 265        {0xc78, 0x47760001}, {0xc78, 0x46770001},
 266        {0xc78, 0x45780001}, {0xc78, 0x44790001},
 267        {0xc78, 0x437a0001}, {0xc78, 0x427b0001},
 268        {0xc78, 0x417c0001}, {0xc78, 0x407d0001},
 269        {0xc78, 0x407e0001}, {0xc78, 0x407f0001},
 270        {0xc50, 0x00040022}, {0xc50, 0x00040020},
 271        {0xffff, 0xffffffff}
 272};
 273
 274static struct rtl8xxxu_reg32val rtl8xxx_agc_8192eu_highpa_table[] = {
 275        {0xc78, 0xfa000001}, {0xc78, 0xf9010001},
 276        {0xc78, 0xf8020001}, {0xc78, 0xf7030001},
 277        {0xc78, 0xf6040001}, {0xc78, 0xf5050001},
 278        {0xc78, 0xf4060001}, {0xc78, 0xf3070001},
 279        {0xc78, 0xf2080001}, {0xc78, 0xf1090001},
 280        {0xc78, 0xf00a0001}, {0xc78, 0xef0b0001},
 281        {0xc78, 0xee0c0001}, {0xc78, 0xed0d0001},
 282        {0xc78, 0xec0e0001}, {0xc78, 0xeb0f0001},
 283        {0xc78, 0xea100001}, {0xc78, 0xe9110001},
 284        {0xc78, 0xe8120001}, {0xc78, 0xe7130001},
 285        {0xc78, 0xe6140001}, {0xc78, 0xe5150001},
 286        {0xc78, 0xe4160001}, {0xc78, 0xe3170001},
 287        {0xc78, 0xe2180001}, {0xc78, 0xe1190001},
 288        {0xc78, 0x8a1a0001}, {0xc78, 0x891b0001},
 289        {0xc78, 0x881c0001}, {0xc78, 0x871d0001},
 290        {0xc78, 0x861e0001}, {0xc78, 0x851f0001},
 291        {0xc78, 0x84200001}, {0xc78, 0x83210001},
 292        {0xc78, 0x82220001}, {0xc78, 0x6a230001},
 293        {0xc78, 0x69240001}, {0xc78, 0x68250001},
 294        {0xc78, 0x67260001}, {0xc78, 0x66270001},
 295        {0xc78, 0x65280001}, {0xc78, 0x64290001},
 296        {0xc78, 0x632a0001}, {0xc78, 0x622b0001},
 297        {0xc78, 0x612c0001}, {0xc78, 0x602d0001},
 298        {0xc78, 0x472e0001}, {0xc78, 0x462f0001},
 299        {0xc78, 0x45300001}, {0xc78, 0x44310001},
 300        {0xc78, 0x43320001}, {0xc78, 0x42330001},
 301        {0xc78, 0x41340001}, {0xc78, 0x40350001},
 302        {0xc78, 0x40360001}, {0xc78, 0x40370001},
 303        {0xc78, 0x40380001}, {0xc78, 0x40390001},
 304        {0xc78, 0x403a0001}, {0xc78, 0x403b0001},
 305        {0xc78, 0x403c0001}, {0xc78, 0x403d0001},
 306        {0xc78, 0x403e0001}, {0xc78, 0x403f0001},
 307        {0xc78, 0xfa400001}, {0xc78, 0xf9410001},
 308        {0xc78, 0xf8420001}, {0xc78, 0xf7430001},
 309        {0xc78, 0xf6440001}, {0xc78, 0xf5450001},
 310        {0xc78, 0xf4460001}, {0xc78, 0xf3470001},
 311        {0xc78, 0xf2480001}, {0xc78, 0xf1490001},
 312        {0xc78, 0xf04a0001}, {0xc78, 0xef4b0001},
 313        {0xc78, 0xee4c0001}, {0xc78, 0xed4d0001},
 314        {0xc78, 0xec4e0001}, {0xc78, 0xeb4f0001},
 315        {0xc78, 0xea500001}, {0xc78, 0xe9510001},
 316        {0xc78, 0xe8520001}, {0xc78, 0xe7530001},
 317        {0xc78, 0xe6540001}, {0xc78, 0xe5550001},
 318        {0xc78, 0xe4560001}, {0xc78, 0xe3570001},
 319        {0xc78, 0xe2580001}, {0xc78, 0xe1590001},
 320        {0xc78, 0x8a5a0001}, {0xc78, 0x895b0001},
 321        {0xc78, 0x885c0001}, {0xc78, 0x875d0001},
 322        {0xc78, 0x865e0001}, {0xc78, 0x855f0001},
 323        {0xc78, 0x84600001}, {0xc78, 0x83610001},
 324        {0xc78, 0x82620001}, {0xc78, 0x6a630001},
 325        {0xc78, 0x69640001}, {0xc78, 0x68650001},
 326        {0xc78, 0x67660001}, {0xc78, 0x66670001},
 327        {0xc78, 0x65680001}, {0xc78, 0x64690001},
 328        {0xc78, 0x636a0001}, {0xc78, 0x626b0001},
 329        {0xc78, 0x616c0001}, {0xc78, 0x606d0001},
 330        {0xc78, 0x476e0001}, {0xc78, 0x466f0001},
 331        {0xc78, 0x45700001}, {0xc78, 0x44710001},
 332        {0xc78, 0x43720001}, {0xc78, 0x42730001},
 333        {0xc78, 0x41740001}, {0xc78, 0x40750001},
 334        {0xc78, 0x40760001}, {0xc78, 0x40770001},
 335        {0xc78, 0x40780001}, {0xc78, 0x40790001},
 336        {0xc78, 0x407a0001}, {0xc78, 0x407b0001},
 337        {0xc78, 0x407c0001}, {0xc78, 0x407d0001},
 338        {0xc78, 0x407e0001}, {0xc78, 0x407f0001},
 339        {0xc50, 0x00040222}, {0xc50, 0x00040220},
 340        {0xffff, 0xffffffff}
 341};
 342
 343static struct rtl8xxxu_rfregval rtl8192eu_radioa_init_table[] = {
 344        {0x7f, 0x00000082}, {0x81, 0x0003fc00},
 345        {0x00, 0x00030000}, {0x08, 0x00008400},
 346        {0x18, 0x00000407}, {0x19, 0x00000012},
 347        {0x1b, 0x00000064}, {0x1e, 0x00080009},
 348        {0x1f, 0x00000880}, {0x2f, 0x0001a060},
 349        {0x3f, 0x00000000}, {0x42, 0x000060c0},
 350        {0x57, 0x000d0000}, {0x58, 0x000be180},
 351        {0x67, 0x00001552}, {0x83, 0x00000000},
 352        {0xb0, 0x000ff9f1}, {0xb1, 0x00055418},
 353        {0xb2, 0x0008cc00}, {0xb4, 0x00043083},
 354        {0xb5, 0x00008166}, {0xb6, 0x0000803e},
 355        {0xb7, 0x0001c69f}, {0xb8, 0x0000407f},
 356        {0xb9, 0x00080001}, {0xba, 0x00040001},
 357        {0xbb, 0x00000400}, {0xbf, 0x000c0000},
 358        {0xc2, 0x00002400}, {0xc3, 0x00000009},
 359        {0xc4, 0x00040c91}, {0xc5, 0x00099999},
 360        {0xc6, 0x000000a3}, {0xc7, 0x00088820},
 361        {0xc8, 0x00076c06}, {0xc9, 0x00000000},
 362        {0xca, 0x00080000}, {0xdf, 0x00000180},
 363        {0xef, 0x000001a0}, {0x51, 0x00069545},
 364        {0x52, 0x0007e45e}, {0x53, 0x00000071},
 365        {0x56, 0x00051ff3}, {0x35, 0x000000a8},
 366        {0x35, 0x000001e2}, {0x35, 0x000002a8},
 367        {0x36, 0x00001c24}, {0x36, 0x00009c24},
 368        {0x36, 0x00011c24}, {0x36, 0x00019c24},
 369        {0x18, 0x00000c07}, {0x5a, 0x00048000},
 370        {0x19, 0x000739d0},
 371#ifdef EXT_PA_8192EU
 372        /* External PA or external LNA */
 373        {0x34, 0x0000a093}, {0x34, 0x0000908f},
 374        {0x34, 0x0000808c}, {0x34, 0x0000704d},
 375        {0x34, 0x0000604a}, {0x34, 0x00005047},
 376        {0x34, 0x0000400a}, {0x34, 0x00003007},
 377        {0x34, 0x00002004}, {0x34, 0x00001001},
 378        {0x34, 0x00000000},
 379#else
 380        /* Regular */
 381        {0x34, 0x0000add7}, {0x34, 0x00009dd4},
 382        {0x34, 0x00008dd1}, {0x34, 0x00007dce},
 383        {0x34, 0x00006dcb}, {0x34, 0x00005dc8},
 384        {0x34, 0x00004dc5}, {0x34, 0x000034cc},
 385        {0x34, 0x0000244f}, {0x34, 0x0000144c},
 386        {0x34, 0x00000014},
 387#endif
 388        {0x00, 0x00030159},
 389        {0x84, 0x00068180},
 390        {0x86, 0x0000014e},
 391        {0x87, 0x00048e00},
 392        {0x8e, 0x00065540},
 393        {0x8f, 0x00088000},
 394        {0xef, 0x000020a0},
 395#ifdef EXT_PA_8192EU
 396        /* External PA or external LNA */
 397        {0x3b, 0x000f07b0},
 398#else
 399        {0x3b, 0x000f02b0},
 400#endif
 401        {0x3b, 0x000ef7b0}, {0x3b, 0x000d4fb0},
 402        {0x3b, 0x000cf060}, {0x3b, 0x000b0090},
 403        {0x3b, 0x000a0080}, {0x3b, 0x00090080},
 404        {0x3b, 0x0008f780},
 405#ifdef EXT_PA_8192EU
 406        /* External PA or external LNA */
 407        {0x3b, 0x000787b0},
 408#else
 409        {0x3b, 0x00078730},
 410#endif
 411        {0x3b, 0x00060fb0}, {0x3b, 0x0005ffa0},
 412        {0x3b, 0x00040620}, {0x3b, 0x00037090},
 413        {0x3b, 0x00020080}, {0x3b, 0x0001f060},
 414        {0x3b, 0x0000ffb0}, {0xef, 0x000000a0},
 415        {0xfe, 0x00000000}, {0x18, 0x0000fc07},
 416        {0xfe, 0x00000000}, {0xfe, 0x00000000},
 417        {0xfe, 0x00000000}, {0xfe, 0x00000000},
 418        {0x1e, 0x00000001}, {0x1f, 0x00080000},
 419        {0x00, 0x00033e70},
 420        {0xff, 0xffffffff}
 421};
 422
 423static struct rtl8xxxu_rfregval rtl8192eu_radiob_init_table[] = {
 424        {0x7f, 0x00000082}, {0x81, 0x0003fc00},
 425        {0x00, 0x00030000}, {0x08, 0x00008400},
 426        {0x18, 0x00000407}, {0x19, 0x00000012},
 427        {0x1b, 0x00000064}, {0x1e, 0x00080009},
 428        {0x1f, 0x00000880}, {0x2f, 0x0001a060},
 429        {0x3f, 0x00000000}, {0x42, 0x000060c0},
 430        {0x57, 0x000d0000}, {0x58, 0x000be180},
 431        {0x67, 0x00001552}, {0x7f, 0x00000082},
 432        {0x81, 0x0003f000}, {0x83, 0x00000000},
 433        {0xdf, 0x00000180}, {0xef, 0x000001a0},
 434        {0x51, 0x00069545}, {0x52, 0x0007e42e},
 435        {0x53, 0x00000071}, {0x56, 0x00051ff3},
 436        {0x35, 0x000000a8}, {0x35, 0x000001e0},
 437        {0x35, 0x000002a8}, {0x36, 0x00001ca8},
 438        {0x36, 0x00009c24}, {0x36, 0x00011c24},
 439        {0x36, 0x00019c24}, {0x18, 0x00000c07},
 440        {0x5a, 0x00048000}, {0x19, 0x000739d0},
 441#ifdef EXT_PA_8192EU
 442        /* External PA or external LNA */
 443        {0x34, 0x0000a093}, {0x34, 0x0000908f},
 444        {0x34, 0x0000808c}, {0x34, 0x0000704d},
 445        {0x34, 0x0000604a}, {0x34, 0x00005047},
 446        {0x34, 0x0000400a}, {0x34, 0x00003007},
 447        {0x34, 0x00002004}, {0x34, 0x00001001},
 448        {0x34, 0x00000000},
 449#else
 450        {0x34, 0x0000add7}, {0x34, 0x00009dd4},
 451        {0x34, 0x00008dd1}, {0x34, 0x00007dce},
 452        {0x34, 0x00006dcb}, {0x34, 0x00005dc8},
 453        {0x34, 0x00004dc5}, {0x34, 0x000034cc},
 454        {0x34, 0x0000244f}, {0x34, 0x0000144c},
 455        {0x34, 0x00000014},
 456#endif
 457        {0x00, 0x00030159}, {0x84, 0x00068180},
 458        {0x86, 0x000000ce}, {0x87, 0x00048a00},
 459        {0x8e, 0x00065540}, {0x8f, 0x00088000},
 460        {0xef, 0x000020a0},
 461#ifdef EXT_PA_8192EU
 462        /* External PA or external LNA */
 463        {0x3b, 0x000f07b0},
 464#else
 465        {0x3b, 0x000f02b0},
 466#endif
 467
 468        {0x3b, 0x000ef7b0}, {0x3b, 0x000d4fb0},
 469        {0x3b, 0x000cf060}, {0x3b, 0x000b0090},
 470        {0x3b, 0x000a0080}, {0x3b, 0x00090080},
 471        {0x3b, 0x0008f780},
 472#ifdef EXT_PA_8192EU
 473        /* External PA or external LNA */
 474        {0x3b, 0x000787b0},
 475#else
 476        {0x3b, 0x00078730},
 477#endif
 478        {0x3b, 0x00060fb0}, {0x3b, 0x0005ffa0},
 479        {0x3b, 0x00040620}, {0x3b, 0x00037090},
 480        {0x3b, 0x00020080}, {0x3b, 0x0001f060},
 481        {0x3b, 0x0000ffb0}, {0xef, 0x000000a0},
 482        {0x00, 0x00010159}, {0xfe, 0x00000000},
 483        {0xfe, 0x00000000}, {0xfe, 0x00000000},
 484        {0xfe, 0x00000000}, {0x1e, 0x00000001},
 485        {0x1f, 0x00080000}, {0x00, 0x00033e70},
 486        {0xff, 0xffffffff}
 487};
 488
 489static void
 490rtl8192e_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
 491{
 492        u32 val32, ofdm, mcs;
 493        u8 cck, ofdmbase, mcsbase;
 494        int group, tx_idx;
 495
 496        tx_idx = 0;
 497        group = rtl8xxxu_gen2_channel_to_group(channel);
 498
 499        cck = priv->cck_tx_power_index_A[group];
 500
 501        val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
 502        val32 &= 0xffff00ff;
 503        val32 |= (cck << 8);
 504        rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
 505
 506        val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
 507        val32 &= 0xff;
 508        val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
 509        rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
 510
 511        ofdmbase = priv->ht40_1s_tx_power_index_A[group];
 512        ofdmbase += priv->ofdm_tx_power_diff[tx_idx].a;
 513        ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24;
 514
 515        rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
 516        rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
 517
 518        mcsbase = priv->ht40_1s_tx_power_index_A[group];
 519        if (ht40)
 520                mcsbase += priv->ht40_tx_power_diff[tx_idx++].a;
 521        else
 522                mcsbase += priv->ht20_tx_power_diff[tx_idx++].a;
 523        mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
 524
 525        rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
 526        rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
 527        rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, mcs);
 528        rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, mcs);
 529
 530        if (priv->tx_paths > 1) {
 531                cck = priv->cck_tx_power_index_B[group];
 532
 533                val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK1_55_MCS32);
 534                val32 &= 0xff;
 535                val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
 536                rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK1_55_MCS32, val32);
 537
 538                val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
 539                val32 &= 0xffffff00;
 540                val32 |= cck;
 541                rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
 542
 543                ofdmbase = priv->ht40_1s_tx_power_index_B[group];
 544                ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b;
 545                ofdm = ofdmbase | ofdmbase << 8 |
 546                        ofdmbase << 16 | ofdmbase << 24;
 547
 548                rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE18_06, ofdm);
 549                rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE54_24, ofdm);
 550
 551                mcsbase = priv->ht40_1s_tx_power_index_B[group];
 552                if (ht40)
 553                        mcsbase += priv->ht40_tx_power_diff[tx_idx++].b;
 554                else
 555                        mcsbase += priv->ht20_tx_power_diff[tx_idx++].b;
 556                mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
 557
 558                rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS03_MCS00, mcs);
 559                rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS07_MCS04, mcs);
 560                rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS11_MCS08, mcs);
 561                rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12, mcs);
 562        }
 563}
 564
 565static int rtl8192eu_parse_efuse(struct rtl8xxxu_priv *priv)
 566{
 567        struct rtl8192eu_efuse *efuse = &priv->efuse_wifi.efuse8192eu;
 568        int i;
 569
 570        if (efuse->rtl_id != cpu_to_le16(0x8129))
 571                return -EINVAL;
 572
 573        ether_addr_copy(priv->mac_addr, efuse->mac_addr);
 574
 575        memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base,
 576               sizeof(efuse->tx_power_index_A.cck_base));
 577        memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base,
 578               sizeof(efuse->tx_power_index_B.cck_base));
 579
 580        memcpy(priv->ht40_1s_tx_power_index_A,
 581               efuse->tx_power_index_A.ht40_base,
 582               sizeof(efuse->tx_power_index_A.ht40_base));
 583        memcpy(priv->ht40_1s_tx_power_index_B,
 584               efuse->tx_power_index_B.ht40_base,
 585               sizeof(efuse->tx_power_index_B.ht40_base));
 586
 587        priv->ht20_tx_power_diff[0].a =
 588                efuse->tx_power_index_A.ht20_ofdm_1s_diff.b;
 589        priv->ht20_tx_power_diff[0].b =
 590                efuse->tx_power_index_B.ht20_ofdm_1s_diff.b;
 591
 592        priv->ht40_tx_power_diff[0].a = 0;
 593        priv->ht40_tx_power_diff[0].b = 0;
 594
 595        for (i = 1; i < RTL8723B_TX_COUNT; i++) {
 596                priv->ofdm_tx_power_diff[i].a =
 597                        efuse->tx_power_index_A.pwr_diff[i - 1].ofdm;
 598                priv->ofdm_tx_power_diff[i].b =
 599                        efuse->tx_power_index_B.pwr_diff[i - 1].ofdm;
 600
 601                priv->ht20_tx_power_diff[i].a =
 602                        efuse->tx_power_index_A.pwr_diff[i - 1].ht20;
 603                priv->ht20_tx_power_diff[i].b =
 604                        efuse->tx_power_index_B.pwr_diff[i - 1].ht20;
 605
 606                priv->ht40_tx_power_diff[i].a =
 607                        efuse->tx_power_index_A.pwr_diff[i - 1].ht40;
 608                priv->ht40_tx_power_diff[i].b =
 609                        efuse->tx_power_index_B.pwr_diff[i - 1].ht40;
 610        }
 611
 612        priv->has_xtalk = 1;
 613        priv->xtalk = priv->efuse_wifi.efuse8192eu.xtal_k & 0x3f;
 614
 615        dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name);
 616        dev_info(&priv->udev->dev, "Product: %.11s\n", efuse->device_name);
 617        if (memchr_inv(efuse->serial, 0xff, 11))
 618                dev_info(&priv->udev->dev, "Serial: %.11s\n", efuse->serial);
 619        else
 620                dev_info(&priv->udev->dev, "Serial not available.\n");
 621
 622        if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) {
 623                unsigned char *raw = priv->efuse_wifi.raw;
 624
 625                dev_info(&priv->udev->dev,
 626                         "%s: dumping efuse (0x%02zx bytes):\n",
 627                         __func__, sizeof(struct rtl8192eu_efuse));
 628                for (i = 0; i < sizeof(struct rtl8192eu_efuse); i += 8)
 629                        dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]);
 630        }
 631        return 0;
 632}
 633
 634static int rtl8192eu_load_firmware(struct rtl8xxxu_priv *priv)
 635{
 636        char *fw_name;
 637        int ret;
 638
 639        fw_name = "rtlwifi/rtl8192eu_nic.bin";
 640
 641        ret = rtl8xxxu_load_firmware(priv, fw_name);
 642
 643        return ret;
 644}
 645
 646static void rtl8192eu_init_phy_bb(struct rtl8xxxu_priv *priv)
 647{
 648        u8 val8;
 649        u16 val16;
 650
 651        val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
 652        val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF;
 653        rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
 654
 655        /* 6. 0x1f[7:0] = 0x07 */
 656        val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
 657        rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
 658
 659        val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
 660        val16 |= (SYS_FUNC_USBA | SYS_FUNC_USBD | SYS_FUNC_DIO_RF |
 661                  SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB);
 662        rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
 663        val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
 664        rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
 665        rtl8xxxu_init_phy_regs(priv, rtl8192eu_phy_init_table);
 666
 667        if (priv->hi_pa)
 668                rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_highpa_table);
 669        else
 670                rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_std_table);
 671}
 672
 673static int rtl8192eu_init_phy_rf(struct rtl8xxxu_priv *priv)
 674{
 675        int ret;
 676
 677        ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radioa_init_table, RF_A);
 678        if (ret)
 679                goto exit;
 680
 681        ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radiob_init_table, RF_B);
 682
 683exit:
 684        return ret;
 685}
 686
 687static int rtl8192eu_iqk_path_a(struct rtl8xxxu_priv *priv)
 688{
 689        u32 reg_eac, reg_e94, reg_e9c;
 690        int result = 0;
 691
 692        /*
 693         * TX IQK
 694         * PA/PAD controlled by 0x0
 695         */
 696        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
 697        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00180);
 698        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
 699
 700        /* Path A IQK setting */
 701        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
 702        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
 703        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 704        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 705
 706        rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82140303);
 707        rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x68160000);
 708
 709        /* LO calibration setting */
 710        rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
 711
 712        /* One shot, path A LOK & IQK */
 713        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
 714        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 715
 716        mdelay(10);
 717
 718        /* Check failed */
 719        reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 720        reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
 721        reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
 722
 723        if (!(reg_eac & BIT(28)) &&
 724            ((reg_e94 & 0x03ff0000) != 0x01420000) &&
 725            ((reg_e9c & 0x03ff0000) != 0x00420000))
 726                result |= 0x01;
 727
 728        return result;
 729}
 730
 731static int rtl8192eu_rx_iqk_path_a(struct rtl8xxxu_priv *priv)
 732{
 733        u32 reg_ea4, reg_eac, reg_e94, reg_e9c, val32;
 734        int result = 0;
 735
 736        /* Leave IQK mode */
 737        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00);
 738
 739        /* Enable path A PA in TX IQK mode */
 740        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
 741        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
 742        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
 743        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf117b);
 744
 745        /* PA/PAD control by 0x56, and set = 0x0 */
 746        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00980);
 747        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x51000);
 748
 749        /* Enter IQK mode */
 750        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
 751
 752        /* TX IQK setting */
 753        rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
 754        rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 755
 756        /* path-A IQK setting */
 757        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
 758        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
 759        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 760        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 761
 762        rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c1f);
 763        rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x68160c1f);
 764
 765        /* LO calibration setting */
 766        rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
 767
 768        /* One shot, path A LOK & IQK */
 769        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
 770        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 771
 772        mdelay(10);
 773
 774        /* Check failed */
 775        reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 776        reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
 777        reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
 778
 779        if (!(reg_eac & BIT(28)) &&
 780            ((reg_e94 & 0x03ff0000) != 0x01420000) &&
 781            ((reg_e9c & 0x03ff0000) != 0x00420000)) {
 782                result |= 0x01;
 783        } else {
 784                /* PA/PAD controlled by 0x0 */
 785                rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
 786                rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180);
 787                goto out;
 788        }
 789
 790        val32 = 0x80007c00 |
 791                (reg_e94 & 0x03ff0000) | ((reg_e9c >> 16) & 0x03ff);
 792        rtl8xxxu_write32(priv, REG_TX_IQK, val32);
 793
 794        /* Modify RX IQK mode table */
 795        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
 796
 797        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
 798        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
 799        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
 800        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7ffa);
 801
 802        /* PA/PAD control by 0x56, and set = 0x0 */
 803        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00980);
 804        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x51000);
 805
 806        /* Enter IQK mode */
 807        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
 808
 809        /* IQK setting */
 810        rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 811
 812        /* Path A IQK setting */
 813        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
 814        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c);
 815        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 816        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 817
 818        rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c1f);
 819        rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160c1f);
 820
 821        /* LO calibration setting */
 822        rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891);
 823
 824        /* One shot, path A LOK & IQK */
 825        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
 826        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 827
 828        mdelay(10);
 829
 830        reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 831        reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
 832
 833        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
 834        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180);
 835
 836        if (!(reg_eac & BIT(27)) &&
 837            ((reg_ea4 & 0x03ff0000) != 0x01320000) &&
 838            ((reg_eac & 0x03ff0000) != 0x00360000))
 839                result |= 0x02;
 840        else
 841                dev_warn(&priv->udev->dev, "%s: Path A RX IQK failed!\n",
 842                         __func__);
 843
 844out:
 845        return result;
 846}
 847
 848static int rtl8192eu_iqk_path_b(struct rtl8xxxu_priv *priv)
 849{
 850        u32 reg_eac, reg_eb4, reg_ebc;
 851        int result = 0;
 852
 853        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
 854        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00180);
 855        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
 856
 857        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
 858        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
 859
 860        /* Path B IQK setting */
 861        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
 862        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
 863        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c);
 864        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 865
 866        rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x821403e2);
 867        rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x68160000);
 868
 869        /* LO calibration setting */
 870        rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00492911);
 871
 872        /* One shot, path A LOK & IQK */
 873        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
 874        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 875
 876        mdelay(1);
 877
 878        /* Check failed */
 879        reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 880        reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
 881        reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
 882
 883        if (!(reg_eac & BIT(31)) &&
 884            ((reg_eb4 & 0x03ff0000) != 0x01420000) &&
 885            ((reg_ebc & 0x03ff0000) != 0x00420000))
 886                result |= 0x01;
 887        else
 888                dev_warn(&priv->udev->dev, "%s: Path B IQK failed!\n",
 889                         __func__);
 890
 891        return result;
 892}
 893
 894static int rtl8192eu_rx_iqk_path_b(struct rtl8xxxu_priv *priv)
 895{
 896        u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc, val32;
 897        int result = 0;
 898
 899        /* Leave IQK mode */
 900        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
 901
 902        /* Enable path A PA in TX IQK mode */
 903        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
 904        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
 905        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
 906        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf117b);
 907
 908        /* PA/PAD control by 0x56, and set = 0x0 */
 909        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00980);
 910        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_56, 0x51000);
 911
 912        /* Enter IQK mode */
 913        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
 914
 915        /* TX IQK setting */
 916        rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
 917        rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 918
 919        /* path-A IQK setting */
 920        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
 921        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
 922        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c);
 923        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 924
 925        rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82160c1f);
 926        rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x68160c1f);
 927
 928        /* LO calibration setting */
 929        rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
 930
 931        /* One shot, path A LOK & IQK */
 932        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
 933        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 934
 935        mdelay(10);
 936
 937        /* Check failed */
 938        reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 939        reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
 940        reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
 941
 942        if (!(reg_eac & BIT(31)) &&
 943            ((reg_eb4 & 0x03ff0000) != 0x01420000) &&
 944            ((reg_ebc & 0x03ff0000) != 0x00420000)) {
 945                result |= 0x01;
 946        } else {
 947                /*
 948                 * PA/PAD controlled by 0x0
 949                 * Vendor driver restores RF_A here which I believe is a bug
 950                 */
 951                rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
 952                rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x180);
 953                goto out;
 954        }
 955
 956        val32 = 0x80007c00 |
 957                (reg_eb4 & 0x03ff0000) | ((reg_ebc >> 16) & 0x03ff);
 958        rtl8xxxu_write32(priv, REG_TX_IQK, val32);
 959
 960        /* Modify RX IQK mode table */
 961        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
 962
 963        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
 964        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
 965        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
 966        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf7ffa);
 967
 968        /* PA/PAD control by 0x56, and set = 0x0 */
 969        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00980);
 970        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_56, 0x51000);
 971
 972        /* Enter IQK mode */
 973        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
 974
 975        /* IQK setting */
 976        rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 977
 978        /* Path A IQK setting */
 979        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
 980        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
 981        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 982        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x18008c1c);
 983
 984        rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c1f);
 985        rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160c1f);
 986
 987        /* LO calibration setting */
 988        rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891);
 989
 990        /* One shot, path A LOK & IQK */
 991        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
 992        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 993
 994        mdelay(10);
 995
 996        reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 997        reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2);
 998        reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2);
 999
1000        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1001        rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x180);
1002
1003        if (!(reg_eac & BIT(30)) &&
1004            ((reg_ec4 & 0x03ff0000) != 0x01320000) &&
1005            ((reg_ecc & 0x03ff0000) != 0x00360000))
1006                result |= 0x02;
1007        else
1008                dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n",
1009                         __func__);
1010
1011out:
1012        return result;
1013}
1014
1015static void rtl8192eu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
1016                                      int result[][8], int t)
1017{
1018        struct device *dev = &priv->udev->dev;
1019        u32 i, val32;
1020        int path_a_ok, path_b_ok;
1021        int retry = 2;
1022        const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
1023                REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
1024                REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
1025                REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
1026                REG_TX_OFDM_BBON, REG_TX_TO_RX,
1027                REG_TX_TO_TX, REG_RX_CCK,
1028                REG_RX_OFDM, REG_RX_WAIT_RIFS,
1029                REG_RX_TO_RX, REG_STANDBY,
1030                REG_SLEEP, REG_PMPD_ANAEN
1031        };
1032        const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
1033                REG_TXPAUSE, REG_BEACON_CTRL,
1034                REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
1035        };
1036        const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
1037                REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
1038                REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
1039                REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
1040                REG_FPGA0_XB_RF_INT_OE, REG_CCK0_AFE_SETTING
1041        };
1042        u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff;
1043        u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff;
1044
1045        /*
1046         * Note: IQ calibration must be performed after loading
1047         *       PHY_REG.txt , and radio_a, radio_b.txt
1048         */
1049
1050        if (t == 0) {
1051                /* Save ADDA parameters, turn Path A ADDA on */
1052                rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
1053                                   RTL8XXXU_ADDA_REGS);
1054                rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1055                rtl8xxxu_save_regs(priv, iqk_bb_regs,
1056                                   priv->bb_backup, RTL8XXXU_BB_REGS);
1057        }
1058
1059        rtl8xxxu_path_adda_on(priv, adda_regs, true);
1060
1061        /* MAC settings */
1062        rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
1063
1064        val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
1065        val32 |= 0x0f000000;
1066        rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);
1067
1068        rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
1069        rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
1070        rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22208200);
1071
1072        val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL);
1073        val32 |= (FPGA0_RF_PAPE | (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT));
1074        rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32);
1075
1076        val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE);
1077        val32 |= BIT(10);
1078        rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, val32);
1079        val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE);
1080        val32 |= BIT(10);
1081        rtl8xxxu_write32(priv, REG_FPGA0_XB_RF_INT_OE, val32);
1082
1083        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1084        rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
1085        rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1086
1087        for (i = 0; i < retry; i++) {
1088                path_a_ok = rtl8192eu_iqk_path_a(priv);
1089                if (path_a_ok == 0x01) {
1090                        val32 = rtl8xxxu_read32(priv,
1091                                                REG_TX_POWER_BEFORE_IQK_A);
1092                        result[t][0] = (val32 >> 16) & 0x3ff;
1093                        val32 = rtl8xxxu_read32(priv,
1094                                                REG_TX_POWER_AFTER_IQK_A);
1095                        result[t][1] = (val32 >> 16) & 0x3ff;
1096
1097                        break;
1098                }
1099        }
1100
1101        if (!path_a_ok)
1102                dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__);
1103
1104        for (i = 0; i < retry; i++) {
1105                path_a_ok = rtl8192eu_rx_iqk_path_a(priv);
1106                if (path_a_ok == 0x03) {
1107                        val32 = rtl8xxxu_read32(priv,
1108                                                REG_RX_POWER_BEFORE_IQK_A_2);
1109                        result[t][2] = (val32 >> 16) & 0x3ff;
1110                        val32 = rtl8xxxu_read32(priv,
1111                                                REG_RX_POWER_AFTER_IQK_A_2);
1112                        result[t][3] = (val32 >> 16) & 0x3ff;
1113
1114                        break;
1115                }
1116        }
1117
1118        if (!path_a_ok)
1119                dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__);
1120
1121        if (priv->rf_paths > 1) {
1122                /* Path A into standby */
1123                rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1124                rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000);
1125                rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1126
1127                /* Turn Path B ADDA on */
1128                rtl8xxxu_path_adda_on(priv, adda_regs, false);
1129
1130                rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1131                rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
1132                rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1133
1134                for (i = 0; i < retry; i++) {
1135                        path_b_ok = rtl8192eu_iqk_path_b(priv);
1136                        if (path_b_ok == 0x01) {
1137                                val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
1138                                result[t][4] = (val32 >> 16) & 0x3ff;
1139                                val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
1140                                result[t][5] = (val32 >> 16) & 0x3ff;
1141                                break;
1142                        }
1143                }
1144
1145                if (!path_b_ok)
1146                        dev_dbg(dev, "%s: Path B IQK failed!\n", __func__);
1147
1148                for (i = 0; i < retry; i++) {
1149                        path_b_ok = rtl8192eu_rx_iqk_path_b(priv);
1150                        if (path_b_ok == 0x03) {
1151                                val32 = rtl8xxxu_read32(priv,
1152                                                        REG_RX_POWER_BEFORE_IQK_B_2);
1153                                result[t][6] = (val32 >> 16) & 0x3ff;
1154                                val32 = rtl8xxxu_read32(priv,
1155                                                        REG_RX_POWER_AFTER_IQK_B_2);
1156                                result[t][7] = (val32 >> 16) & 0x3ff;
1157                                break;
1158                        }
1159                }
1160
1161                if (!path_b_ok)
1162                        dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__);
1163        }
1164
1165        /* Back to BB mode, load original value */
1166        rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1167
1168        if (t) {
1169                /* Reload ADDA power saving parameters */
1170                rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
1171                                      RTL8XXXU_ADDA_REGS);
1172
1173                /* Reload MAC parameters */
1174                rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1175
1176                /* Reload BB parameters */
1177                rtl8xxxu_restore_regs(priv, iqk_bb_regs,
1178                                      priv->bb_backup, RTL8XXXU_BB_REGS);
1179
1180                /* Restore RX initial gain */
1181                val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1182                val32 &= 0xffffff00;
1183                rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50);
1184                rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc);
1185
1186                if (priv->rf_paths > 1) {
1187                        val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1);
1188                        val32 &= 0xffffff00;
1189                        rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1190                                         val32 | 0x50);
1191                        rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1192                                         val32 | xb_agc);
1193                }
1194
1195                /* Load 0xe30 IQC default value */
1196                rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
1197                rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
1198        }
1199}
1200
1201static void rtl8192eu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
1202{
1203        struct device *dev = &priv->udev->dev;
1204        int result[4][8];       /* last is final result */
1205        int i, candidate;
1206        bool path_a_ok, path_b_ok;
1207        u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
1208        u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
1209        bool simu;
1210
1211        memset(result, 0, sizeof(result));
1212        candidate = -1;
1213
1214        path_a_ok = false;
1215        path_b_ok = false;
1216
1217        for (i = 0; i < 3; i++) {
1218                rtl8192eu_phy_iqcalibrate(priv, result, i);
1219
1220                if (i == 1) {
1221                        simu = rtl8xxxu_gen2_simularity_compare(priv,
1222                                                                result, 0, 1);
1223                        if (simu) {
1224                                candidate = 0;
1225                                break;
1226                        }
1227                }
1228
1229                if (i == 2) {
1230                        simu = rtl8xxxu_gen2_simularity_compare(priv,
1231                                                                result, 0, 2);
1232                        if (simu) {
1233                                candidate = 0;
1234                                break;
1235                        }
1236
1237                        simu = rtl8xxxu_gen2_simularity_compare(priv,
1238                                                                result, 1, 2);
1239                        if (simu)
1240                                candidate = 1;
1241                        else
1242                                candidate = 3;
1243                }
1244        }
1245
1246        for (i = 0; i < 4; i++) {
1247                reg_e94 = result[i][0];
1248                reg_e9c = result[i][1];
1249                reg_ea4 = result[i][2];
1250                reg_eb4 = result[i][4];
1251                reg_ebc = result[i][5];
1252                reg_ec4 = result[i][6];
1253        }
1254
1255        if (candidate >= 0) {
1256                reg_e94 = result[candidate][0];
1257                priv->rege94 =  reg_e94;
1258                reg_e9c = result[candidate][1];
1259                priv->rege9c = reg_e9c;
1260                reg_ea4 = result[candidate][2];
1261                reg_eac = result[candidate][3];
1262                reg_eb4 = result[candidate][4];
1263                priv->regeb4 = reg_eb4;
1264                reg_ebc = result[candidate][5];
1265                priv->regebc = reg_ebc;
1266                reg_ec4 = result[candidate][6];
1267                reg_ecc = result[candidate][7];
1268                dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
1269                dev_dbg(dev,
1270                        "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x "
1271                        "ecc=%x\n ", __func__, reg_e94, reg_e9c,
1272                        reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
1273                path_a_ok = true;
1274                path_b_ok = true;
1275        } else {
1276                reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
1277                reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
1278        }
1279
1280        if (reg_e94 && candidate >= 0)
1281                rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
1282                                           candidate, (reg_ea4 == 0));
1283
1284        if (priv->rf_paths > 1)
1285                rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result,
1286                                           candidate, (reg_ec4 == 0));
1287
1288        rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
1289                           priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
1290}
1291
1292/*
1293 * This is needed for 8723bu as well, presumable
1294 */
1295static void rtl8192e_crystal_afe_adjust(struct rtl8xxxu_priv *priv)
1296{
1297        u8 val8;
1298        u32 val32;
1299
1300        /*
1301         * 40Mhz crystal source, MAC 0x28[2]=0
1302         */
1303        val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL);
1304        val8 &= 0xfb;
1305        rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8);
1306
1307        val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4);
1308        val32 &= 0xfffffc7f;
1309        rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32);
1310
1311        /*
1312         * 92e AFE parameter
1313         * AFE PLL KVCO selection, MAC 0x28[6]=1
1314         */
1315        val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL);
1316        val8 &= 0xbf;
1317        rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8);
1318
1319        /*
1320         * AFE PLL KVCO selection, MAC 0x78[21]=0
1321         */
1322        val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4);
1323        val32 &= 0xffdfffff;
1324        rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32);
1325}
1326
1327static void rtl8192e_disabled_to_emu(struct rtl8xxxu_priv *priv)
1328{
1329        u8 val8;
1330
1331        /* Clear suspend enable and power down enable*/
1332        val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1333        val8 &= ~(BIT(3) | BIT(4));
1334        rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1335}
1336
1337static int rtl8192e_emu_to_active(struct rtl8xxxu_priv *priv)
1338{
1339        u8 val8;
1340        u32 val32;
1341        int count, ret = 0;
1342
1343        /* disable HWPDN 0x04[15]=0*/
1344        val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1345        val8 &= ~BIT(7);
1346        rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1347
1348        /* disable SW LPS 0x04[10]= 0 */
1349        val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1350        val8 &= ~BIT(2);
1351        rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1352
1353        /* disable WL suspend*/
1354        val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1355        val8 &= ~(BIT(3) | BIT(4));
1356        rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1357
1358        /* wait till 0x04[17] = 1 power ready*/
1359        for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1360                val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1361                if (val32 & BIT(17))
1362                        break;
1363
1364                udelay(10);
1365        }
1366
1367        if (!count) {
1368                ret = -EBUSY;
1369                goto exit;
1370        }
1371
1372        /* We should be able to optimize the following three entries into one */
1373
1374        /* release WLON reset 0x04[16]= 1*/
1375        val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2);
1376        val8 |= BIT(0);
1377        rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8);
1378
1379        /* set, then poll until 0 */
1380        val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1381        val32 |= APS_FSMCO_MAC_ENABLE;
1382        rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1383
1384        for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1385                val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1386                if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
1387                        ret = 0;
1388                        break;
1389                }
1390                udelay(10);
1391        }
1392
1393        if (!count) {
1394                ret = -EBUSY;
1395                goto exit;
1396        }
1397
1398exit:
1399        return ret;
1400}
1401
1402static int rtl8192eu_active_to_lps(struct rtl8xxxu_priv *priv)
1403{
1404        struct device *dev = &priv->udev->dev;
1405        u8 val8;
1406        u16 val16;
1407        u32 val32;
1408        int retry, retval;
1409
1410        rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
1411
1412        retry = 100;
1413        retval = -EBUSY;
1414        /*
1415         * Poll 32 bit wide 0x05f8 for 0x00000000 to ensure no TX is pending.
1416         */
1417        do {
1418                val32 = rtl8xxxu_read32(priv, REG_SCH_TX_CMD);
1419                if (!val32) {
1420                        retval = 0;
1421                        break;
1422                }
1423        } while (retry--);
1424
1425        if (!retry) {
1426                dev_warn(dev, "Failed to flush TX queue\n");
1427                retval = -EBUSY;
1428                goto out;
1429        }
1430
1431        /* Disable CCK and OFDM, clock gated */
1432        val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
1433        val8 &= ~SYS_FUNC_BBRSTB;
1434        rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
1435
1436        udelay(2);
1437
1438        /* Reset whole BB */
1439        val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
1440        val8 &= ~SYS_FUNC_BB_GLB_RSTN;
1441        rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
1442
1443        /* Reset MAC TRX */
1444        val16 = rtl8xxxu_read16(priv, REG_CR);
1445        val16 &= 0xff00;
1446        val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE);
1447        rtl8xxxu_write16(priv, REG_CR, val16);
1448
1449        val16 = rtl8xxxu_read16(priv, REG_CR);
1450        val16 &= ~CR_SECURITY_ENABLE;
1451        rtl8xxxu_write16(priv, REG_CR, val16);
1452
1453        val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST);
1454        val8 |= DUAL_TSF_TX_OK;
1455        rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8);
1456
1457out:
1458        return retval;
1459}
1460
1461static int rtl8192eu_active_to_emu(struct rtl8xxxu_priv *priv)
1462{
1463        u8 val8;
1464        int count, ret = 0;
1465
1466        /* Turn off RF */
1467        val8 = rtl8xxxu_read8(priv, REG_RF_CTRL);
1468        val8 &= ~RF_ENABLE;
1469        rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
1470
1471        /* Switch DPDT_SEL_P output from register 0x65[2] */
1472        val8 = rtl8xxxu_read8(priv, REG_LEDCFG2);
1473        val8 &= ~LEDCFG2_DPDT_SELECT;
1474        rtl8xxxu_write8(priv, REG_LEDCFG2, val8);
1475
1476        /* 0x0005[1] = 1 turn off MAC by HW state machine*/
1477        val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1478        val8 |= BIT(1);
1479        rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1480
1481        for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1482                val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1483                if ((val8 & BIT(1)) == 0)
1484                        break;
1485                udelay(10);
1486        }
1487
1488        if (!count) {
1489                dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n",
1490                         __func__);
1491                ret = -EBUSY;
1492                goto exit;
1493        }
1494
1495exit:
1496        return ret;
1497}
1498
1499static int rtl8192eu_emu_to_disabled(struct rtl8xxxu_priv *priv)
1500{
1501        u8 val8;
1502
1503        /* 0x04[12:11] = 01 enable WL suspend */
1504        val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1505        val8 &= ~(BIT(3) | BIT(4));
1506        val8 |= BIT(3);
1507        rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1508
1509        return 0;
1510}
1511
1512static int rtl8192eu_power_on(struct rtl8xxxu_priv *priv)
1513{
1514        u16 val16;
1515        u32 val32;
1516        int ret;
1517
1518        ret = 0;
1519
1520        val32 = rtl8xxxu_read32(priv, REG_SYS_CFG);
1521        if (val32 & SYS_CFG_SPS_LDO_SEL) {
1522                rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0xc3);
1523        } else {
1524                /*
1525                 * Raise 1.2V voltage
1526                 */
1527                val32 = rtl8xxxu_read32(priv, REG_8192E_LDOV12_CTRL);
1528                val32 &= 0xff0fffff;
1529                val32 |= 0x00500000;
1530                rtl8xxxu_write32(priv, REG_8192E_LDOV12_CTRL, val32);
1531                rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0x83);
1532        }
1533
1534        /*
1535         * Adjust AFE before enabling PLL
1536         */
1537        rtl8192e_crystal_afe_adjust(priv);
1538        rtl8192e_disabled_to_emu(priv);
1539
1540        ret = rtl8192e_emu_to_active(priv);
1541        if (ret)
1542                goto exit;
1543
1544        rtl8xxxu_write16(priv, REG_CR, 0x0000);
1545
1546        /*
1547         * Enable MAC DMA/WMAC/SCHEDULE/SEC block
1548         * Set CR bit10 to enable 32k calibration.
1549         */
1550        val16 = rtl8xxxu_read16(priv, REG_CR);
1551        val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
1552                  CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
1553                  CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
1554                  CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
1555                  CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
1556        rtl8xxxu_write16(priv, REG_CR, val16);
1557
1558exit:
1559        return ret;
1560}
1561
1562static void rtl8192eu_power_off(struct rtl8xxxu_priv *priv)
1563{
1564        u8 val8;
1565        u16 val16;
1566
1567        rtl8xxxu_flush_fifo(priv);
1568
1569        val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
1570        val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
1571        rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
1572
1573        /* Turn off RF */
1574        rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00);
1575
1576        rtl8192eu_active_to_lps(priv);
1577
1578        /* Reset Firmware if running in RAM */
1579        if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
1580                rtl8xxxu_firmware_self_reset(priv);
1581
1582        /* Reset MCU */
1583        val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1584        val16 &= ~SYS_FUNC_CPU_ENABLE;
1585        rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1586
1587        /* Reset MCU ready status */
1588        rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
1589
1590        rtl8xxxu_reset_8051(priv);
1591
1592        rtl8192eu_active_to_emu(priv);
1593        rtl8192eu_emu_to_disabled(priv);
1594}
1595
1596static void rtl8192e_enable_rf(struct rtl8xxxu_priv *priv)
1597{
1598        u32 val32;
1599        u8 val8;
1600
1601        val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA);
1602        val32 |= (BIT(22) | BIT(23));
1603        rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32);
1604
1605        val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
1606        val8 |= BIT(5);
1607        rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
1608
1609        /*
1610         * WLAN action by PTA
1611         */
1612        rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
1613
1614        val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
1615        val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1616        rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
1617
1618        val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
1619        val32 |= (BIT(0) | BIT(1));
1620        rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
1621
1622        rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77);
1623
1624        val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1625        val32 &= ~BIT(24);
1626        val32 |= BIT(23);
1627        rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1628
1629        /*
1630         * Fix external switch Main->S1, Aux->S0
1631         */
1632        val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1633        val8 &= ~BIT(0);
1634        rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1635}
1636
1637struct rtl8xxxu_fileops rtl8192eu_fops = {
1638        .parse_efuse = rtl8192eu_parse_efuse,
1639        .load_firmware = rtl8192eu_load_firmware,
1640        .power_on = rtl8192eu_power_on,
1641        .power_off = rtl8192eu_power_off,
1642        .reset_8051 = rtl8xxxu_reset_8051,
1643        .llt_init = rtl8xxxu_auto_llt_table,
1644        .init_phy_bb = rtl8192eu_init_phy_bb,
1645        .init_phy_rf = rtl8192eu_init_phy_rf,
1646        .phy_iq_calibrate = rtl8192eu_phy_iq_calibrate,
1647        .config_channel = rtl8xxxu_gen2_config_channel,
1648        .parse_rx_desc = rtl8xxxu_parse_rxdesc24,
1649        .enable_rf = rtl8192e_enable_rf,
1650        .disable_rf = rtl8xxxu_gen2_disable_rf,
1651        .usb_quirks = rtl8xxxu_gen2_usb_quirks,
1652        .set_tx_power = rtl8192e_set_tx_power,
1653        .update_rate_mask = rtl8xxxu_gen2_update_rate_mask,
1654        .report_connect = rtl8xxxu_gen2_report_connect,
1655        .fill_txdesc = rtl8xxxu_fill_txdesc_v2,
1656        .writeN_block_size = 128,
1657        .tx_desc_size = sizeof(struct rtl8xxxu_txdesc40),
1658        .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24),
1659        .has_s0s1 = 0,
1660        .gen2_thermal_meter = 1,
1661        .adda_1t_init = 0x0fc01616,
1662        .adda_1t_path_on = 0x0fc01616,
1663        .adda_2t_path_on_a = 0x0fc01616,
1664        .adda_2t_path_on_b = 0x0fc01616,
1665        .trxff_boundary = 0x3cff,
1666        .mactable = rtl8192e_mac_init_table,
1667        .total_page_num = TX_TOTAL_PAGE_NUM_8192E,
1668        .page_num_hi = TX_PAGE_NUM_HI_PQ_8192E,
1669        .page_num_lo = TX_PAGE_NUM_LO_PQ_8192E,
1670        .page_num_norm = TX_PAGE_NUM_NORM_PQ_8192E,
1671};
1672