linux/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * RTL8XXXU mac80211 USB driver - 8723b specific subdriver
   4 *
   5 * Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com>
   6 *
   7 * Portions, notably calibration code:
   8 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   9 *
  10 * This driver was written as a replacement for the vendor provided
  11 * rtl8723au driver. As the Realtek 8xxx chips are very similar in
  12 * their programming interface, I have started adding support for
  13 * additional 8xxx chips like the 8192cu, 8188cus, etc.
  14 */
  15
  16#include <linux/init.h>
  17#include <linux/kernel.h>
  18#include <linux/sched.h>
  19#include <linux/errno.h>
  20#include <linux/slab.h>
  21#include <linux/module.h>
  22#include <linux/spinlock.h>
  23#include <linux/list.h>
  24#include <linux/usb.h>
  25#include <linux/netdevice.h>
  26#include <linux/etherdevice.h>
  27#include <linux/ethtool.h>
  28#include <linux/wireless.h>
  29#include <linux/firmware.h>
  30#include <linux/moduleparam.h>
  31#include <net/mac80211.h>
  32#include "rtl8xxxu.h"
  33#include "rtl8xxxu_regs.h"
  34
  35static struct rtl8xxxu_reg8val rtl8723b_mac_init_table[] = {
  36        {0x02f, 0x30}, {0x035, 0x00}, {0x039, 0x08}, {0x04e, 0xe0},
  37        {0x064, 0x00}, {0x067, 0x20}, {0x428, 0x0a}, {0x429, 0x10},
  38        {0x430, 0x00}, {0x431, 0x00},
  39        {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05},
  40        {0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05},
  41        {0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01},
  42        {0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00},
  43        {0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f},
  44        {0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00},
  45        {0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f},
  46        {0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66},
  47        {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff},
  48        {0x4cd, 0xff}, {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2},
  49        {0x502, 0x2f}, {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3},
  50        {0x506, 0x5e}, {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4},
  51        {0x50a, 0x5e}, {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4},
  52        {0x50e, 0x00}, {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a},
  53        {0x516, 0x0a}, {0x525, 0x4f},
  54        {0x550, 0x10}, {0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50},
  55        {0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a},
  56        {0x620, 0xff}, {0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff},
  57        {0x624, 0xff}, {0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff},
  58        {0x638, 0x50}, {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e},
  59        {0x63f, 0x0e}, {0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00},
  60        {0x652, 0xc8}, {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43},
  61        {0x702, 0x65}, {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43},
  62        {0x70a, 0x65}, {0x70b, 0x87}, {0x765, 0x18}, {0x76e, 0x04},
  63        {0xffff, 0xff},
  64};
  65
  66static struct rtl8xxxu_reg32val rtl8723b_phy_1t_init_table[] = {
  67        {0x800, 0x80040000}, {0x804, 0x00000003},
  68        {0x808, 0x0000fc00}, {0x80c, 0x0000000a},
  69        {0x810, 0x10001331}, {0x814, 0x020c3d10},
  70        {0x818, 0x02200385}, {0x81c, 0x00000000},
  71        {0x820, 0x01000100}, {0x824, 0x00190204},
  72        {0x828, 0x00000000}, {0x82c, 0x00000000},
  73        {0x830, 0x00000000}, {0x834, 0x00000000},
  74        {0x838, 0x00000000}, {0x83c, 0x00000000},
  75        {0x840, 0x00010000}, {0x844, 0x00000000},
  76        {0x848, 0x00000000}, {0x84c, 0x00000000},
  77        {0x850, 0x00000000}, {0x854, 0x00000000},
  78        {0x858, 0x569a11a9}, {0x85c, 0x01000014},
  79        {0x860, 0x66f60110}, {0x864, 0x061f0649},
  80        {0x868, 0x00000000}, {0x86c, 0x27272700},
  81        {0x870, 0x07000760}, {0x874, 0x25004000},
  82        {0x878, 0x00000808}, {0x87c, 0x00000000},
  83        {0x880, 0xb0000c1c}, {0x884, 0x00000001},
  84        {0x888, 0x00000000}, {0x88c, 0xccc000c0},
  85        {0x890, 0x00000800}, {0x894, 0xfffffffe},
  86        {0x898, 0x40302010}, {0x89c, 0x00706050},
  87        {0x900, 0x00000000}, {0x904, 0x00000023},
  88        {0x908, 0x00000000}, {0x90c, 0x81121111},
  89        {0x910, 0x00000002}, {0x914, 0x00000201},
  90        {0xa00, 0x00d047c8}, {0xa04, 0x80ff800c},
  91        {0xa08, 0x8c838300}, {0xa0c, 0x2e7f120f},
  92        {0xa10, 0x9500bb78}, {0xa14, 0x1114d028},
  93        {0xa18, 0x00881117}, {0xa1c, 0x89140f00},
  94        {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317},
  95        {0xa28, 0x00000204}, {0xa2c, 0x00d30000},
  96        {0xa70, 0x101fbf00}, {0xa74, 0x00000007},
  97        {0xa78, 0x00000900}, {0xa7c, 0x225b0606},
  98        {0xa80, 0x21806490}, {0xb2c, 0x00000000},
  99        {0xc00, 0x48071d40}, {0xc04, 0x03a05611},
 100        {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c},
 101        {0xc10, 0x08800000}, {0xc14, 0x40000100},
 102        {0xc18, 0x08800000}, {0xc1c, 0x40000100},
 103        {0xc20, 0x00000000}, {0xc24, 0x00000000},
 104        {0xc28, 0x00000000}, {0xc2c, 0x00000000},
 105        {0xc30, 0x69e9ac44}, {0xc34, 0x469652af},
 106        {0xc38, 0x49795994}, {0xc3c, 0x0a97971c},
 107        {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7},
 108        {0xc48, 0xec020107}, {0xc4c, 0x007f037f},
 109        {0xc50, 0x69553420}, {0xc54, 0x43bc0094},
 110        {0xc58, 0x00013149}, {0xc5c, 0x00250492},
 111        {0xc60, 0x00000000}, {0xc64, 0x7112848b},
 112        {0xc68, 0x47c00bff}, {0xc6c, 0x00000036},
 113        {0xc70, 0x2c7f000d}, {0xc74, 0x020610db},
 114        {0xc78, 0x0000001f}, {0xc7c, 0x00b91612},
 115        {0xc80, 0x390000e4}, {0xc84, 0x20f60000},
 116        {0xc88, 0x40000100}, {0xc8c, 0x20200000},
 117        {0xc90, 0x00020e1a}, {0xc94, 0x00000000},
 118        {0xc98, 0x00020e1a}, {0xc9c, 0x00007f7f},
 119        {0xca0, 0x00000000}, {0xca4, 0x000300a0},
 120        {0xca8, 0x00000000}, {0xcac, 0x00000000},
 121        {0xcb0, 0x00000000}, {0xcb4, 0x00000000},
 122        {0xcb8, 0x00000000}, {0xcbc, 0x28000000},
 123        {0xcc0, 0x00000000}, {0xcc4, 0x00000000},
 124        {0xcc8, 0x00000000}, {0xccc, 0x00000000},
 125        {0xcd0, 0x00000000}, {0xcd4, 0x00000000},
 126        {0xcd8, 0x64b22427}, {0xcdc, 0x00766932},
 127        {0xce0, 0x00222222}, {0xce4, 0x00000000},
 128        {0xce8, 0x37644302}, {0xcec, 0x2f97d40c},
 129        {0xd00, 0x00000740}, {0xd04, 0x40020401},
 130        {0xd08, 0x0000907f}, {0xd0c, 0x20010201},
 131        {0xd10, 0xa0633333}, {0xd14, 0x3333bc53},
 132        {0xd18, 0x7a8f5b6f}, {0xd2c, 0xcc979975},
 133        {0xd30, 0x00000000}, {0xd34, 0x80608000},
 134        {0xd38, 0x00000000}, {0xd3c, 0x00127353},
 135        {0xd40, 0x00000000}, {0xd44, 0x00000000},
 136        {0xd48, 0x00000000}, {0xd4c, 0x00000000},
 137        {0xd50, 0x6437140a}, {0xd54, 0x00000000},
 138        {0xd58, 0x00000282}, {0xd5c, 0x30032064},
 139        {0xd60, 0x4653de68}, {0xd64, 0x04518a3c},
 140        {0xd68, 0x00002101}, {0xd6c, 0x2a201c16},
 141        {0xd70, 0x1812362e}, {0xd74, 0x322c2220},
 142        {0xd78, 0x000e3c24}, {0xe00, 0x2d2d2d2d},
 143        {0xe04, 0x2d2d2d2d}, {0xe08, 0x0390272d},
 144        {0xe10, 0x2d2d2d2d}, {0xe14, 0x2d2d2d2d},
 145        {0xe18, 0x2d2d2d2d}, {0xe1c, 0x2d2d2d2d},
 146        {0xe28, 0x00000000}, {0xe30, 0x1000dc1f},
 147        {0xe34, 0x10008c1f}, {0xe38, 0x02140102},
 148        {0xe3c, 0x681604c2}, {0xe40, 0x01007c00},
 149        {0xe44, 0x01004800}, {0xe48, 0xfb000000},
 150        {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f},
 151        {0xe54, 0x10008c1f}, {0xe58, 0x02140102},
 152        {0xe5c, 0x28160d05}, {0xe60, 0x00000008},
 153        {0xe68, 0x001b2556}, {0xe6c, 0x00c00096},
 154        {0xe70, 0x00c00096}, {0xe74, 0x01000056},
 155        {0xe78, 0x01000014}, {0xe7c, 0x01000056},
 156        {0xe80, 0x01000014}, {0xe84, 0x00c00096},
 157        {0xe88, 0x01000056}, {0xe8c, 0x00c00096},
 158        {0xed0, 0x00c00096}, {0xed4, 0x00c00096},
 159        {0xed8, 0x00c00096}, {0xedc, 0x000000d6},
 160        {0xee0, 0x000000d6}, {0xeec, 0x01c00016},
 161        {0xf14, 0x00000003}, {0xf4c, 0x00000000},
 162        {0xf00, 0x00000300},
 163        {0x820, 0x01000100}, {0x800, 0x83040000},
 164        {0xffff, 0xffffffff},
 165};
 166
 167static struct rtl8xxxu_reg32val rtl8xxx_agc_8723bu_table[] = {
 168        {0xc78, 0xfd000001}, {0xc78, 0xfc010001},
 169        {0xc78, 0xfb020001}, {0xc78, 0xfa030001},
 170        {0xc78, 0xf9040001}, {0xc78, 0xf8050001},
 171        {0xc78, 0xf7060001}, {0xc78, 0xf6070001},
 172        {0xc78, 0xf5080001}, {0xc78, 0xf4090001},
 173        {0xc78, 0xf30a0001}, {0xc78, 0xf20b0001},
 174        {0xc78, 0xf10c0001}, {0xc78, 0xf00d0001},
 175        {0xc78, 0xef0e0001}, {0xc78, 0xee0f0001},
 176        {0xc78, 0xed100001}, {0xc78, 0xec110001},
 177        {0xc78, 0xeb120001}, {0xc78, 0xea130001},
 178        {0xc78, 0xe9140001}, {0xc78, 0xe8150001},
 179        {0xc78, 0xe7160001}, {0xc78, 0xe6170001},
 180        {0xc78, 0xe5180001}, {0xc78, 0xe4190001},
 181        {0xc78, 0xe31a0001}, {0xc78, 0xa51b0001},
 182        {0xc78, 0xa41c0001}, {0xc78, 0xa31d0001},
 183        {0xc78, 0x671e0001}, {0xc78, 0x661f0001},
 184        {0xc78, 0x65200001}, {0xc78, 0x64210001},
 185        {0xc78, 0x63220001}, {0xc78, 0x4a230001},
 186        {0xc78, 0x49240001}, {0xc78, 0x48250001},
 187        {0xc78, 0x47260001}, {0xc78, 0x46270001},
 188        {0xc78, 0x45280001}, {0xc78, 0x44290001},
 189        {0xc78, 0x432a0001}, {0xc78, 0x422b0001},
 190        {0xc78, 0x292c0001}, {0xc78, 0x282d0001},
 191        {0xc78, 0x272e0001}, {0xc78, 0x262f0001},
 192        {0xc78, 0x0a300001}, {0xc78, 0x09310001},
 193        {0xc78, 0x08320001}, {0xc78, 0x07330001},
 194        {0xc78, 0x06340001}, {0xc78, 0x05350001},
 195        {0xc78, 0x04360001}, {0xc78, 0x03370001},
 196        {0xc78, 0x02380001}, {0xc78, 0x01390001},
 197        {0xc78, 0x013a0001}, {0xc78, 0x013b0001},
 198        {0xc78, 0x013c0001}, {0xc78, 0x013d0001},
 199        {0xc78, 0x013e0001}, {0xc78, 0x013f0001},
 200        {0xc78, 0xfc400001}, {0xc78, 0xfb410001},
 201        {0xc78, 0xfa420001}, {0xc78, 0xf9430001},
 202        {0xc78, 0xf8440001}, {0xc78, 0xf7450001},
 203        {0xc78, 0xf6460001}, {0xc78, 0xf5470001},
 204        {0xc78, 0xf4480001}, {0xc78, 0xf3490001},
 205        {0xc78, 0xf24a0001}, {0xc78, 0xf14b0001},
 206        {0xc78, 0xf04c0001}, {0xc78, 0xef4d0001},
 207        {0xc78, 0xee4e0001}, {0xc78, 0xed4f0001},
 208        {0xc78, 0xec500001}, {0xc78, 0xeb510001},
 209        {0xc78, 0xea520001}, {0xc78, 0xe9530001},
 210        {0xc78, 0xe8540001}, {0xc78, 0xe7550001},
 211        {0xc78, 0xe6560001}, {0xc78, 0xe5570001},
 212        {0xc78, 0xe4580001}, {0xc78, 0xe3590001},
 213        {0xc78, 0xa65a0001}, {0xc78, 0xa55b0001},
 214        {0xc78, 0xa45c0001}, {0xc78, 0xa35d0001},
 215        {0xc78, 0x675e0001}, {0xc78, 0x665f0001},
 216        {0xc78, 0x65600001}, {0xc78, 0x64610001},
 217        {0xc78, 0x63620001}, {0xc78, 0x62630001},
 218        {0xc78, 0x61640001}, {0xc78, 0x48650001},
 219        {0xc78, 0x47660001}, {0xc78, 0x46670001},
 220        {0xc78, 0x45680001}, {0xc78, 0x44690001},
 221        {0xc78, 0x436a0001}, {0xc78, 0x426b0001},
 222        {0xc78, 0x286c0001}, {0xc78, 0x276d0001},
 223        {0xc78, 0x266e0001}, {0xc78, 0x256f0001},
 224        {0xc78, 0x24700001}, {0xc78, 0x09710001},
 225        {0xc78, 0x08720001}, {0xc78, 0x07730001},
 226        {0xc78, 0x06740001}, {0xc78, 0x05750001},
 227        {0xc78, 0x04760001}, {0xc78, 0x03770001},
 228        {0xc78, 0x02780001}, {0xc78, 0x01790001},
 229        {0xc78, 0x017a0001}, {0xc78, 0x017b0001},
 230        {0xc78, 0x017c0001}, {0xc78, 0x017d0001},
 231        {0xc78, 0x017e0001}, {0xc78, 0x017f0001},
 232        {0xc50, 0x69553422},
 233        {0xc50, 0x69553420},
 234        {0x824, 0x00390204},
 235        {0xffff, 0xffffffff}
 236};
 237
 238static struct rtl8xxxu_rfregval rtl8723bu_radioa_1t_init_table[] = {
 239        {0x00, 0x00010000}, {0xb0, 0x000dffe0},
 240        {0xfe, 0x00000000}, {0xfe, 0x00000000},
 241        {0xfe, 0x00000000}, {0xb1, 0x00000018},
 242        {0xfe, 0x00000000}, {0xfe, 0x00000000},
 243        {0xfe, 0x00000000}, {0xb2, 0x00084c00},
 244        {0xb5, 0x0000d2cc}, {0xb6, 0x000925aa},
 245        {0xb7, 0x00000010}, {0xb8, 0x0000907f},
 246        {0x5c, 0x00000002}, {0x7c, 0x00000002},
 247        {0x7e, 0x00000005}, {0x8b, 0x0006fc00},
 248        {0xb0, 0x000ff9f0}, {0x1c, 0x000739d2},
 249        {0x1e, 0x00000000}, {0xdf, 0x00000780},
 250        {0x50, 0x00067435},
 251        /*
 252         * The 8723bu vendor driver indicates that bit 8 should be set in
 253         * 0x51 for package types TFBGA90, TFBGA80, and TFBGA79. However
 254         * they never actually check the package type - and just default
 255         * to not setting it.
 256         */
 257        {0x51, 0x0006b04e},
 258        {0x52, 0x000007d2}, {0x53, 0x00000000},
 259        {0x54, 0x00050400}, {0x55, 0x0004026e},
 260        {0xdd, 0x0000004c}, {0x70, 0x00067435},
 261        /*
 262         * 0x71 has same package type condition as for register 0x51
 263         */
 264        {0x71, 0x0006b04e},
 265        {0x72, 0x000007d2}, {0x73, 0x00000000},
 266        {0x74, 0x00050400}, {0x75, 0x0004026e},
 267        {0xef, 0x00000100}, {0x34, 0x0000add7},
 268        {0x35, 0x00005c00}, {0x34, 0x00009dd4},
 269        {0x35, 0x00005000}, {0x34, 0x00008dd1},
 270        {0x35, 0x00004400}, {0x34, 0x00007dce},
 271        {0x35, 0x00003800}, {0x34, 0x00006cd1},
 272        {0x35, 0x00004400}, {0x34, 0x00005cce},
 273        {0x35, 0x00003800}, {0x34, 0x000048ce},
 274        {0x35, 0x00004400}, {0x34, 0x000034ce},
 275        {0x35, 0x00003800}, {0x34, 0x00002451},
 276        {0x35, 0x00004400}, {0x34, 0x0000144e},
 277        {0x35, 0x00003800}, {0x34, 0x00000051},
 278        {0x35, 0x00004400}, {0xef, 0x00000000},
 279        {0xef, 0x00000100}, {0xed, 0x00000010},
 280        {0x44, 0x0000add7}, {0x44, 0x00009dd4},
 281        {0x44, 0x00008dd1}, {0x44, 0x00007dce},
 282        {0x44, 0x00006cc1}, {0x44, 0x00005cce},
 283        {0x44, 0x000044d1}, {0x44, 0x000034ce},
 284        {0x44, 0x00002451}, {0x44, 0x0000144e},
 285        {0x44, 0x00000051}, {0xef, 0x00000000},
 286        {0xed, 0x00000000}, {0x7f, 0x00020080},
 287        {0xef, 0x00002000}, {0x3b, 0x000380ef},
 288        {0x3b, 0x000302fe}, {0x3b, 0x00028ce6},
 289        {0x3b, 0x000200bc}, {0x3b, 0x000188a5},
 290        {0x3b, 0x00010fbc}, {0x3b, 0x00008f71},
 291        {0x3b, 0x00000900}, {0xef, 0x00000000},
 292        {0xed, 0x00000001}, {0x40, 0x000380ef},
 293        {0x40, 0x000302fe}, {0x40, 0x00028ce6},
 294        {0x40, 0x000200bc}, {0x40, 0x000188a5},
 295        {0x40, 0x00010fbc}, {0x40, 0x00008f71},
 296        {0x40, 0x00000900}, {0xed, 0x00000000},
 297        {0x82, 0x00080000}, {0x83, 0x00008000},
 298        {0x84, 0x00048d80}, {0x85, 0x00068000},
 299        {0xa2, 0x00080000}, {0xa3, 0x00008000},
 300        {0xa4, 0x00048d80}, {0xa5, 0x00068000},
 301        {0xed, 0x00000002}, {0xef, 0x00000002},
 302        {0x56, 0x00000032}, {0x76, 0x00000032},
 303        {0x01, 0x00000780},
 304        {0xff, 0xffffffff}
 305};
 306
 307static void rtl8723bu_write_btreg(struct rtl8xxxu_priv *priv, u8 reg, u8 data)
 308{
 309        struct h2c_cmd h2c;
 310        int reqnum = 0;
 311
 312        memset(&h2c, 0, sizeof(struct h2c_cmd));
 313        h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER;
 314        h2c.bt_mp_oper.operreq = 0 | (reqnum << 4);
 315        h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE;
 316        h2c.bt_mp_oper.data = data;
 317        rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper));
 318
 319        reqnum++;
 320        memset(&h2c, 0, sizeof(struct h2c_cmd));
 321        h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER;
 322        h2c.bt_mp_oper.operreq = 0 | (reqnum << 4);
 323        h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE;
 324        h2c.bt_mp_oper.addr = reg;
 325        rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper));
 326}
 327
 328static void rtl8723bu_reset_8051(struct rtl8xxxu_priv *priv)
 329{
 330        u8 val8;
 331        u16 sys_func;
 332
 333        val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
 334        val8 &= ~BIT(1);
 335        rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
 336
 337        val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
 338        val8 &= ~BIT(0);
 339        rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
 340
 341        sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
 342        sys_func &= ~SYS_FUNC_CPU_ENABLE;
 343        rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
 344
 345        val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
 346        val8 &= ~BIT(1);
 347        rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
 348
 349        val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
 350        val8 |= BIT(0);
 351        rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
 352
 353        sys_func |= SYS_FUNC_CPU_ENABLE;
 354        rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
 355}
 356
 357static void
 358rtl8723b_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
 359{
 360        u32 val32, ofdm, mcs;
 361        u8 cck, ofdmbase, mcsbase;
 362        int group, tx_idx;
 363
 364        tx_idx = 0;
 365        group = rtl8xxxu_gen2_channel_to_group(channel);
 366
 367        cck = priv->cck_tx_power_index_B[group];
 368        val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
 369        val32 &= 0xffff00ff;
 370        val32 |= (cck << 8);
 371        rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
 372
 373        val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
 374        val32 &= 0xff;
 375        val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
 376        rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
 377
 378        ofdmbase = priv->ht40_1s_tx_power_index_B[group];
 379        ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b;
 380        ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24;
 381
 382        rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
 383        rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
 384
 385        mcsbase = priv->ht40_1s_tx_power_index_B[group];
 386        if (ht40)
 387                mcsbase += priv->ht40_tx_power_diff[tx_idx++].b;
 388        else
 389                mcsbase += priv->ht20_tx_power_diff[tx_idx++].b;
 390        mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
 391
 392        rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
 393        rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
 394}
 395
 396static int rtl8723bu_parse_efuse(struct rtl8xxxu_priv *priv)
 397{
 398        struct rtl8723bu_efuse *efuse = &priv->efuse_wifi.efuse8723bu;
 399        int i;
 400
 401        if (efuse->rtl_id != cpu_to_le16(0x8129))
 402                return -EINVAL;
 403
 404        ether_addr_copy(priv->mac_addr, efuse->mac_addr);
 405
 406        memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base,
 407               sizeof(efuse->tx_power_index_A.cck_base));
 408        memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base,
 409               sizeof(efuse->tx_power_index_B.cck_base));
 410
 411        memcpy(priv->ht40_1s_tx_power_index_A,
 412               efuse->tx_power_index_A.ht40_base,
 413               sizeof(efuse->tx_power_index_A.ht40_base));
 414        memcpy(priv->ht40_1s_tx_power_index_B,
 415               efuse->tx_power_index_B.ht40_base,
 416               sizeof(efuse->tx_power_index_B.ht40_base));
 417
 418        priv->ofdm_tx_power_diff[0].a =
 419                efuse->tx_power_index_A.ht20_ofdm_1s_diff.a;
 420        priv->ofdm_tx_power_diff[0].b =
 421                efuse->tx_power_index_B.ht20_ofdm_1s_diff.a;
 422
 423        priv->ht20_tx_power_diff[0].a =
 424                efuse->tx_power_index_A.ht20_ofdm_1s_diff.b;
 425        priv->ht20_tx_power_diff[0].b =
 426                efuse->tx_power_index_B.ht20_ofdm_1s_diff.b;
 427
 428        priv->ht40_tx_power_diff[0].a = 0;
 429        priv->ht40_tx_power_diff[0].b = 0;
 430
 431        for (i = 1; i < RTL8723B_TX_COUNT; i++) {
 432                priv->ofdm_tx_power_diff[i].a =
 433                        efuse->tx_power_index_A.pwr_diff[i - 1].ofdm;
 434                priv->ofdm_tx_power_diff[i].b =
 435                        efuse->tx_power_index_B.pwr_diff[i - 1].ofdm;
 436
 437                priv->ht20_tx_power_diff[i].a =
 438                        efuse->tx_power_index_A.pwr_diff[i - 1].ht20;
 439                priv->ht20_tx_power_diff[i].b =
 440                        efuse->tx_power_index_B.pwr_diff[i - 1].ht20;
 441
 442                priv->ht40_tx_power_diff[i].a =
 443                        efuse->tx_power_index_A.pwr_diff[i - 1].ht40;
 444                priv->ht40_tx_power_diff[i].b =
 445                        efuse->tx_power_index_B.pwr_diff[i - 1].ht40;
 446        }
 447
 448        priv->has_xtalk = 1;
 449        priv->xtalk = priv->efuse_wifi.efuse8723bu.xtal_k & 0x3f;
 450
 451        dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name);
 452        dev_info(&priv->udev->dev, "Product: %.41s\n", efuse->device_name);
 453
 454        if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) {
 455                int i;
 456                unsigned char *raw = priv->efuse_wifi.raw;
 457
 458                dev_info(&priv->udev->dev,
 459                         "%s: dumping efuse (0x%02zx bytes):\n",
 460                         __func__, sizeof(struct rtl8723bu_efuse));
 461                for (i = 0; i < sizeof(struct rtl8723bu_efuse); i += 8)
 462                        dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]);
 463        }
 464
 465        return 0;
 466}
 467
 468static int rtl8723bu_load_firmware(struct rtl8xxxu_priv *priv)
 469{
 470        char *fw_name;
 471        int ret;
 472
 473        if (priv->enable_bluetooth)
 474                fw_name = "rtlwifi/rtl8723bu_bt.bin";
 475        else
 476                fw_name = "rtlwifi/rtl8723bu_nic.bin";
 477
 478        ret = rtl8xxxu_load_firmware(priv, fw_name);
 479        return ret;
 480}
 481
 482static void rtl8723bu_init_phy_bb(struct rtl8xxxu_priv *priv)
 483{
 484        u8 val8;
 485        u16 val16;
 486
 487        val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
 488        val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF;
 489        rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
 490
 491        rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
 492
 493        /* 6. 0x1f[7:0] = 0x07 */
 494        val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
 495        rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
 496
 497        /* Why? */
 498        rtl8xxxu_write8(priv, REG_SYS_FUNC, 0xe3);
 499        rtl8xxxu_write8(priv, REG_AFE_XTAL_CTRL + 1, 0x80);
 500        rtl8xxxu_init_phy_regs(priv, rtl8723b_phy_1t_init_table);
 501
 502        rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8723bu_table);
 503}
 504
 505static int rtl8723bu_init_phy_rf(struct rtl8xxxu_priv *priv)
 506{
 507        int ret;
 508
 509        ret = rtl8xxxu_init_phy_rf(priv, rtl8723bu_radioa_1t_init_table, RF_A);
 510        /*
 511         * PHY LCK
 512         */
 513        rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdfbe0);
 514        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, 0x8c01);
 515        msleep(200);
 516        rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdffe0);
 517
 518        return ret;
 519}
 520
 521static void rtl8723bu_phy_init_antenna_selection(struct rtl8xxxu_priv *priv)
 522{
 523        u32 val32;
 524
 525        val32 = rtl8xxxu_read32(priv, REG_PAD_CTRL1);
 526        val32 &= ~(BIT(20) | BIT(24));
 527        rtl8xxxu_write32(priv, REG_PAD_CTRL1, val32);
 528
 529        val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG);
 530        val32 &= ~BIT(4);
 531        rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32);
 532
 533        val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG);
 534        val32 |= BIT(3);
 535        rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32);
 536
 537        val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
 538        val32 |= BIT(24);
 539        rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
 540
 541        val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
 542        val32 &= ~BIT(23);
 543        rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
 544
 545        val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
 546        val32 |= (BIT(0) | BIT(1));
 547        rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
 548
 549        val32 = rtl8xxxu_read32(priv, REG_RFE_CTRL_ANTA_SRC);
 550        val32 &= 0xffffff00;
 551        val32 |= 0x77;
 552        rtl8xxxu_write32(priv, REG_RFE_CTRL_ANTA_SRC, val32);
 553
 554        val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
 555        val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
 556        rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
 557}
 558
 559static int rtl8723bu_iqk_path_a(struct rtl8xxxu_priv *priv)
 560{
 561        u32 reg_eac, reg_e94, reg_e9c, path_sel, val32;
 562        int result = 0;
 563
 564        path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
 565
 566        /*
 567         * Leave IQK mode
 568         */
 569        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 570        val32 &= 0x000000ff;
 571        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 572
 573        /*
 574         * Enable path A PA in TX IQK mode
 575         */
 576        val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
 577        val32 |= 0x80000;
 578        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
 579        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000);
 580        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0003f);
 581        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xc7f87);
 582
 583        /*
 584         * Tx IQK setting
 585         */
 586        rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
 587        rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 588
 589        /* path-A IQK setting */
 590        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
 591        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
 592        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 593        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 594
 595        rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821403ea);
 596        rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000);
 597        rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
 598        rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
 599
 600        /* LO calibration setting */
 601        rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
 602
 603        /*
 604         * Enter IQK mode
 605         */
 606        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 607        val32 &= 0x000000ff;
 608        val32 |= 0x80800000;
 609        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 610
 611        /*
 612         * The vendor driver indicates the USB module is always using
 613         * S0S1 path 1 for the 8723bu. This may be different for 8192eu
 614         */
 615        if (priv->rf_paths > 1)
 616                rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
 617        else
 618                rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
 619
 620        /*
 621         * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu.
 622         * No trace of this in the 8192eu or 8188eu vendor drivers.
 623         */
 624        rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
 625
 626        /* One shot, path A LOK & IQK */
 627        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
 628        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 629
 630        mdelay(1);
 631
 632        /* Restore Ant Path */
 633        rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
 634#ifdef RTL8723BU_BT
 635        /* GNT_BT = 1 */
 636        rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
 637#endif
 638
 639        /*
 640         * Leave IQK mode
 641         */
 642        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 643        val32 &= 0x000000ff;
 644        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 645
 646        /* Check failed */
 647        reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 648        reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
 649        reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
 650
 651        val32 = (reg_e9c >> 16) & 0x3ff;
 652        if (val32 & 0x200)
 653                val32 = 0x400 - val32;
 654
 655        if (!(reg_eac & BIT(28)) &&
 656            ((reg_e94 & 0x03ff0000) != 0x01420000) &&
 657            ((reg_e9c & 0x03ff0000) != 0x00420000) &&
 658            ((reg_e94 & 0x03ff0000)  < 0x01100000) &&
 659            ((reg_e94 & 0x03ff0000)  > 0x00f00000) &&
 660            val32 < 0xf)
 661                result |= 0x01;
 662        else    /* If TX not OK, ignore RX */
 663                goto out;
 664
 665out:
 666        return result;
 667}
 668
 669static int rtl8723bu_rx_iqk_path_a(struct rtl8xxxu_priv *priv)
 670{
 671        u32 reg_ea4, reg_eac, reg_e94, reg_e9c, path_sel, val32;
 672        int result = 0;
 673
 674        path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
 675
 676        /*
 677         * Leave IQK mode
 678         */
 679        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 680        val32 &= 0x000000ff;
 681        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 682
 683        /*
 684         * Enable path A PA in TX IQK mode
 685         */
 686        val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
 687        val32 |= 0x80000;
 688        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
 689        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
 690        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
 691        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7);
 692
 693        /*
 694         * Tx IQK setting
 695         */
 696        rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
 697        rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 698
 699        /* path-A IQK setting */
 700        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
 701        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
 702        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 703        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 704
 705        rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160ff0);
 706        rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000);
 707        rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
 708        rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
 709
 710        /* LO calibration setting */
 711        rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
 712
 713        /*
 714         * Enter IQK mode
 715         */
 716        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 717        val32 &= 0x000000ff;
 718        val32 |= 0x80800000;
 719        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 720
 721        /*
 722         * The vendor driver indicates the USB module is always using
 723         * S0S1 path 1 for the 8723bu. This may be different for 8192eu
 724         */
 725        if (priv->rf_paths > 1)
 726                rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
 727        else
 728                rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
 729
 730        /*
 731         * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu.
 732         * No trace of this in the 8192eu or 8188eu vendor drivers.
 733         */
 734        rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
 735
 736        /* One shot, path A LOK & IQK */
 737        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
 738        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 739
 740        mdelay(1);
 741
 742        /* Restore Ant Path */
 743        rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
 744#ifdef RTL8723BU_BT
 745        /* GNT_BT = 1 */
 746        rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
 747#endif
 748
 749        /*
 750         * Leave IQK mode
 751         */
 752        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 753        val32 &= 0x000000ff;
 754        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 755
 756        /* Check failed */
 757        reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 758        reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
 759        reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
 760
 761        val32 = (reg_e9c >> 16) & 0x3ff;
 762        if (val32 & 0x200)
 763                val32 = 0x400 - val32;
 764
 765        if (!(reg_eac & BIT(28)) &&
 766            ((reg_e94 & 0x03ff0000) != 0x01420000) &&
 767            ((reg_e9c & 0x03ff0000) != 0x00420000) &&
 768            ((reg_e94 & 0x03ff0000)  < 0x01100000) &&
 769            ((reg_e94 & 0x03ff0000)  > 0x00f00000) &&
 770            val32 < 0xf)
 771                result |= 0x01;
 772        else    /* If TX not OK, ignore RX */
 773                goto out;
 774
 775        val32 = 0x80007c00 | (reg_e94 &0x3ff0000) |
 776                ((reg_e9c & 0x3ff0000) >> 16);
 777        rtl8xxxu_write32(priv, REG_TX_IQK, val32);
 778
 779        /*
 780         * Modify RX IQK mode
 781         */
 782        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 783        val32 &= 0x000000ff;
 784        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 785        val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
 786        val32 |= 0x80000;
 787        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
 788        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
 789        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
 790        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7d77);
 791
 792        /*
 793         * PA, PAD setting
 794         */
 795        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0xf80);
 796        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55, 0x4021f);
 797
 798        /*
 799         * RX IQK setting
 800         */
 801        rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 802
 803        /* path-A IQK setting */
 804        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
 805        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c);
 806        rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 807        rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 808
 809        rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82110000);
 810        rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x2816001f);
 811        rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
 812        rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
 813
 814        /* LO calibration setting */
 815        rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a8d1);
 816
 817        /*
 818         * Enter IQK mode
 819         */
 820        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 821        val32 &= 0x000000ff;
 822        val32 |= 0x80800000;
 823        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 824
 825        if (priv->rf_paths > 1)
 826                rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
 827        else
 828                rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
 829
 830        /*
 831         * Disable BT
 832         */
 833        rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
 834
 835        /* One shot, path A LOK & IQK */
 836        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
 837        rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 838
 839        mdelay(1);
 840
 841        /* Restore Ant Path */
 842        rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
 843#ifdef RTL8723BU_BT
 844        /* GNT_BT = 1 */
 845        rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
 846#endif
 847
 848        /*
 849         * Leave IQK mode
 850         */
 851        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 852        val32 &= 0x000000ff;
 853        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 854
 855        /* Check failed */
 856        reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 857        reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
 858
 859        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x780);
 860
 861        val32 = (reg_eac >> 16) & 0x3ff;
 862        if (val32 & 0x200)
 863                val32 = 0x400 - val32;
 864
 865        if (!(reg_eac & BIT(27)) &&
 866            ((reg_ea4 & 0x03ff0000) != 0x01320000) &&
 867            ((reg_eac & 0x03ff0000) != 0x00360000) &&
 868            ((reg_ea4 & 0x03ff0000)  < 0x01100000) &&
 869            ((reg_ea4 & 0x03ff0000)  > 0x00f00000) &&
 870            val32 < 0xf)
 871                result |= 0x02;
 872        else    /* If TX not OK, ignore RX */
 873                goto out;
 874out:
 875        return result;
 876}
 877
 878static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
 879                                      int result[][8], int t)
 880{
 881        struct device *dev = &priv->udev->dev;
 882        u32 i, val32;
 883        int path_a_ok /*, path_b_ok */;
 884        int retry = 2;
 885        static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
 886                REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
 887                REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
 888                REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
 889                REG_TX_OFDM_BBON, REG_TX_TO_RX,
 890                REG_TX_TO_TX, REG_RX_CCK,
 891                REG_RX_OFDM, REG_RX_WAIT_RIFS,
 892                REG_RX_TO_RX, REG_STANDBY,
 893                REG_SLEEP, REG_PMPD_ANAEN
 894        };
 895        static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
 896                REG_TXPAUSE, REG_BEACON_CTRL,
 897                REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
 898        };
 899        static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
 900                REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
 901                REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
 902                REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
 903                REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE
 904        };
 905        u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff;
 906        u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff;
 907
 908        /*
 909         * Note: IQ calibration must be performed after loading
 910         *       PHY_REG.txt , and radio_a, radio_b.txt
 911         */
 912
 913        if (t == 0) {
 914                /* Save ADDA parameters, turn Path A ADDA on */
 915                rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
 916                                   RTL8XXXU_ADDA_REGS);
 917                rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
 918                rtl8xxxu_save_regs(priv, iqk_bb_regs,
 919                                   priv->bb_backup, RTL8XXXU_BB_REGS);
 920        }
 921
 922        rtl8xxxu_path_adda_on(priv, adda_regs, true);
 923
 924        /* MAC settings */
 925        rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
 926
 927        val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
 928        val32 |= 0x0f000000;
 929        rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);
 930
 931        rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
 932        rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
 933        rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000);
 934
 935        /*
 936         * RX IQ calibration setting for 8723B D cut large current issue
 937         * when leaving IPS
 938         */
 939        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 940        val32 &= 0x000000ff;
 941        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 942
 943        val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
 944        val32 |= 0x80000;
 945        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
 946
 947        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
 948        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
 949        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7);
 950
 951        val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED);
 952        val32 |= 0x20;
 953        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32);
 954
 955        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_43, 0x60fbd);
 956
 957        for (i = 0; i < retry; i++) {
 958                path_a_ok = rtl8723bu_iqk_path_a(priv);
 959                if (path_a_ok == 0x01) {
 960                        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 961                        val32 &= 0x000000ff;
 962                        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 963
 964                        val32 = rtl8xxxu_read32(priv,
 965                                                REG_TX_POWER_BEFORE_IQK_A);
 966                        result[t][0] = (val32 >> 16) & 0x3ff;
 967                        val32 = rtl8xxxu_read32(priv,
 968                                                REG_TX_POWER_AFTER_IQK_A);
 969                        result[t][1] = (val32 >> 16) & 0x3ff;
 970
 971                        break;
 972                }
 973        }
 974
 975        if (!path_a_ok)
 976                dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__);
 977
 978        for (i = 0; i < retry; i++) {
 979                path_a_ok = rtl8723bu_rx_iqk_path_a(priv);
 980                if (path_a_ok == 0x03) {
 981                        val32 = rtl8xxxu_read32(priv,
 982                                                REG_RX_POWER_BEFORE_IQK_A_2);
 983                        result[t][2] = (val32 >> 16) & 0x3ff;
 984                        val32 = rtl8xxxu_read32(priv,
 985                                                REG_RX_POWER_AFTER_IQK_A_2);
 986                        result[t][3] = (val32 >> 16) & 0x3ff;
 987
 988                        break;
 989                }
 990        }
 991
 992        if (!path_a_ok)
 993                dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__);
 994
 995        if (priv->tx_paths > 1) {
 996#if 1
 997                dev_warn(dev, "%s: Path B not supported\n", __func__);
 998#else
 999
1000                /*
1001                 * Path A into standby
1002                 */
1003                val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1004                val32 &= 0x000000ff;
1005                rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1006                rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000);
1007
1008                val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1009                val32 &= 0x000000ff;
1010                val32 |= 0x80800000;
1011                rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1012
1013                /* Turn Path B ADDA on */
1014                rtl8xxxu_path_adda_on(priv, adda_regs, false);
1015
1016                for (i = 0; i < retry; i++) {
1017                        path_b_ok = rtl8xxxu_iqk_path_b(priv);
1018                        if (path_b_ok == 0x03) {
1019                                val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
1020                                result[t][4] = (val32 >> 16) & 0x3ff;
1021                                val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
1022                                result[t][5] = (val32 >> 16) & 0x3ff;
1023                                break;
1024                        }
1025                }
1026
1027                if (!path_b_ok)
1028                        dev_dbg(dev, "%s: Path B IQK failed!\n", __func__);
1029
1030                for (i = 0; i < retry; i++) {
1031                        path_b_ok = rtl8723bu_rx_iqk_path_b(priv);
1032                        if (path_a_ok == 0x03) {
1033                                val32 = rtl8xxxu_read32(priv,
1034                                                        REG_RX_POWER_BEFORE_IQK_B_2);
1035                                result[t][6] = (val32 >> 16) & 0x3ff;
1036                                val32 = rtl8xxxu_read32(priv,
1037                                                        REG_RX_POWER_AFTER_IQK_B_2);
1038                                result[t][7] = (val32 >> 16) & 0x3ff;
1039                                break;
1040                        }
1041                }
1042
1043                if (!path_b_ok)
1044                        dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__);
1045#endif
1046        }
1047
1048        /* Back to BB mode, load original value */
1049        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1050        val32 &= 0x000000ff;
1051        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1052
1053        if (t) {
1054                /* Reload ADDA power saving parameters */
1055                rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
1056                                      RTL8XXXU_ADDA_REGS);
1057
1058                /* Reload MAC parameters */
1059                rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1060
1061                /* Reload BB parameters */
1062                rtl8xxxu_restore_regs(priv, iqk_bb_regs,
1063                                      priv->bb_backup, RTL8XXXU_BB_REGS);
1064
1065                /* Restore RX initial gain */
1066                val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1067                val32 &= 0xffffff00;
1068                rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50);
1069                rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc);
1070
1071                if (priv->tx_paths > 1) {
1072                        val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1);
1073                        val32 &= 0xffffff00;
1074                        rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1075                                         val32 | 0x50);
1076                        rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1077                                         val32 | xb_agc);
1078                }
1079
1080                /* Load 0xe30 IQC default value */
1081                rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
1082                rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
1083        }
1084}
1085
1086static void rtl8723bu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
1087{
1088        struct device *dev = &priv->udev->dev;
1089        int result[4][8];       /* last is final result */
1090        int i, candidate;
1091        bool path_a_ok, path_b_ok;
1092        u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
1093        u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
1094        u32 val32, bt_control;
1095        s32 reg_tmp = 0;
1096        bool simu;
1097
1098        rtl8xxxu_gen2_prepare_calibrate(priv, 1);
1099
1100        memset(result, 0, sizeof(result));
1101        candidate = -1;
1102
1103        path_a_ok = false;
1104        path_b_ok = false;
1105
1106        bt_control = rtl8xxxu_read32(priv, REG_BT_CONTROL_8723BU);
1107
1108        for (i = 0; i < 3; i++) {
1109                rtl8723bu_phy_iqcalibrate(priv, result, i);
1110
1111                if (i == 1) {
1112                        simu = rtl8xxxu_gen2_simularity_compare(priv,
1113                                                                result, 0, 1);
1114                        if (simu) {
1115                                candidate = 0;
1116                                break;
1117                        }
1118                }
1119
1120                if (i == 2) {
1121                        simu = rtl8xxxu_gen2_simularity_compare(priv,
1122                                                                result, 0, 2);
1123                        if (simu) {
1124                                candidate = 0;
1125                                break;
1126                        }
1127
1128                        simu = rtl8xxxu_gen2_simularity_compare(priv,
1129                                                                result, 1, 2);
1130                        if (simu) {
1131                                candidate = 1;
1132                        } else {
1133                                for (i = 0; i < 8; i++)
1134                                        reg_tmp += result[3][i];
1135
1136                                if (reg_tmp)
1137                                        candidate = 3;
1138                                else
1139                                        candidate = -1;
1140                        }
1141                }
1142        }
1143
1144        for (i = 0; i < 4; i++) {
1145                reg_e94 = result[i][0];
1146                reg_e9c = result[i][1];
1147                reg_ea4 = result[i][2];
1148                reg_eac = result[i][3];
1149                reg_eb4 = result[i][4];
1150                reg_ebc = result[i][5];
1151                reg_ec4 = result[i][6];
1152                reg_ecc = result[i][7];
1153        }
1154
1155        if (candidate >= 0) {
1156                reg_e94 = result[candidate][0];
1157                priv->rege94 =  reg_e94;
1158                reg_e9c = result[candidate][1];
1159                priv->rege9c = reg_e9c;
1160                reg_ea4 = result[candidate][2];
1161                reg_eac = result[candidate][3];
1162                reg_eb4 = result[candidate][4];
1163                priv->regeb4 = reg_eb4;
1164                reg_ebc = result[candidate][5];
1165                priv->regebc = reg_ebc;
1166                reg_ec4 = result[candidate][6];
1167                reg_ecc = result[candidate][7];
1168                dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
1169                dev_dbg(dev,
1170                        "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n",
1171                        __func__, reg_e94, reg_e9c,
1172                        reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
1173                path_a_ok = true;
1174                path_b_ok = true;
1175        } else {
1176                reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
1177                reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
1178        }
1179
1180        if (reg_e94 && candidate >= 0)
1181                rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
1182                                           candidate, (reg_ea4 == 0));
1183
1184        if (priv->tx_paths > 1 && reg_eb4)
1185                rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result,
1186                                           candidate, (reg_ec4 == 0));
1187
1188        rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
1189                           priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
1190
1191        rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, bt_control);
1192
1193        val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
1194        val32 |= 0x80000;
1195        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
1196        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x18000);
1197        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
1198        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xe6177);
1199        val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED);
1200        val32 |= 0x20;
1201        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32);
1202        rtl8xxxu_write_rfreg(priv, RF_A, 0x43, 0x300bd);
1203
1204        if (priv->rf_paths > 1)
1205                dev_dbg(dev, "%s: 8723BU 2T not supported\n", __func__);
1206
1207        rtl8xxxu_gen2_prepare_calibrate(priv, 0);
1208}
1209
1210static int rtl8723bu_active_to_emu(struct rtl8xxxu_priv *priv)
1211{
1212        u8 val8;
1213        u16 val16;
1214        u32 val32;
1215        int count, ret = 0;
1216
1217        /* Turn off RF */
1218        rtl8xxxu_write8(priv, REG_RF_CTRL, 0);
1219
1220        /* Enable rising edge triggering interrupt */
1221        val16 = rtl8xxxu_read16(priv, REG_GPIO_INTM);
1222        val16 &= ~GPIO_INTM_EDGE_TRIG_IRQ;
1223        rtl8xxxu_write16(priv, REG_GPIO_INTM, val16);
1224
1225        /* Release WLON reset 0x04[16]= 1*/
1226        val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1227        val32 |= APS_FSMCO_WLON_RESET;
1228        rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1229
1230        /* 0x0005[1] = 1 turn off MAC by HW state machine*/
1231        val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1232        val8 |= BIT(1);
1233        rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1234
1235        for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1236                val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1237                if ((val8 & BIT(1)) == 0)
1238                        break;
1239                udelay(10);
1240        }
1241
1242        if (!count) {
1243                dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n",
1244                         __func__);
1245                ret = -EBUSY;
1246                goto exit;
1247        }
1248
1249        /* Enable BT control XTAL setting */
1250        val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
1251        val8 &= ~AFE_MISC_WL_XTAL_CTRL;
1252        rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
1253
1254        /* 0x0000[5] = 1 analog Ips to digital, 1:isolation */
1255        val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
1256        val8 |= SYS_ISO_ANALOG_IPS;
1257        rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
1258
1259        /* 0x0020[0] = 0 disable LDOA12 MACRO block*/
1260        val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
1261        val8 &= ~LDOA15_ENABLE;
1262        rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
1263
1264exit:
1265        return ret;
1266}
1267
1268static int rtl8723b_emu_to_active(struct rtl8xxxu_priv *priv)
1269{
1270        u8 val8;
1271        u32 val32;
1272        int count, ret = 0;
1273
1274        /* 0x20[0] = 1 enable LDOA12 MACRO block for all interface */
1275        val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
1276        val8 |= LDOA15_ENABLE;
1277        rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
1278
1279        /* 0x67[0] = 0 to disable BT_GPS_SEL pins*/
1280        val8 = rtl8xxxu_read8(priv, 0x0067);
1281        val8 &= ~BIT(4);
1282        rtl8xxxu_write8(priv, 0x0067, val8);
1283
1284        mdelay(1);
1285
1286        /* 0x00[5] = 0 release analog Ips to digital, 1:isolation */
1287        val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
1288        val8 &= ~SYS_ISO_ANALOG_IPS;
1289        rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
1290
1291        /* Disable SW LPS 0x04[10]= 0 */
1292        val32 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
1293        val32 &= ~APS_FSMCO_SW_LPS;
1294        rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1295
1296        /* Wait until 0x04[17] = 1 power ready */
1297        for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1298                val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1299                if (val32 & BIT(17))
1300                        break;
1301
1302                udelay(10);
1303        }
1304
1305        if (!count) {
1306                ret = -EBUSY;
1307                goto exit;
1308        }
1309
1310        /* We should be able to optimize the following three entries into one */
1311
1312        /* Release WLON reset 0x04[16]= 1*/
1313        val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1314        val32 |= APS_FSMCO_WLON_RESET;
1315        rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1316
1317        /* Disable HWPDN 0x04[15]= 0*/
1318        val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1319        val32 &= ~APS_FSMCO_HW_POWERDOWN;
1320        rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1321
1322        /* Disable WL suspend*/
1323        val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1324        val32 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE);
1325        rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1326
1327        /* Set, then poll until 0 */
1328        val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1329        val32 |= APS_FSMCO_MAC_ENABLE;
1330        rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1331
1332        for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1333                val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1334                if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
1335                        ret = 0;
1336                        break;
1337                }
1338                udelay(10);
1339        }
1340
1341        if (!count) {
1342                ret = -EBUSY;
1343                goto exit;
1344        }
1345
1346        /* Enable WL control XTAL setting */
1347        val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
1348        val8 |= AFE_MISC_WL_XTAL_CTRL;
1349        rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
1350
1351        /* Enable falling edge triggering interrupt */
1352        val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 1);
1353        val8 |= BIT(1);
1354        rtl8xxxu_write8(priv, REG_GPIO_INTM + 1, val8);
1355
1356        /* Enable GPIO9 interrupt mode */
1357        val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2 + 1);
1358        val8 |= BIT(1);
1359        rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2 + 1, val8);
1360
1361        /* Enable GPIO9 input mode */
1362        val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2);
1363        val8 &= ~BIT(1);
1364        rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2, val8);
1365
1366        /* Enable HSISR GPIO[C:0] interrupt */
1367        val8 = rtl8xxxu_read8(priv, REG_HSIMR);
1368        val8 |= BIT(0);
1369        rtl8xxxu_write8(priv, REG_HSIMR, val8);
1370
1371        /* Enable HSISR GPIO9 interrupt */
1372        val8 = rtl8xxxu_read8(priv, REG_HSIMR + 2);
1373        val8 |= BIT(1);
1374        rtl8xxxu_write8(priv, REG_HSIMR + 2, val8);
1375
1376        val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL);
1377        val8 |= MULTI_WIFI_HW_ROF_EN;
1378        rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL, val8);
1379
1380        /* For GPIO9 internal pull high setting BIT(14) */
1381        val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL + 1);
1382        val8 |= BIT(6);
1383        rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL + 1, val8);
1384
1385exit:
1386        return ret;
1387}
1388
1389static int rtl8723bu_power_on(struct rtl8xxxu_priv *priv)
1390{
1391        u8 val8;
1392        u16 val16;
1393        u32 val32;
1394        int ret;
1395
1396        rtl8xxxu_disabled_to_emu(priv);
1397
1398        ret = rtl8723b_emu_to_active(priv);
1399        if (ret)
1400                goto exit;
1401
1402        /*
1403         * Enable MAC DMA/WMAC/SCHEDULE/SEC block
1404         * Set CR bit10 to enable 32k calibration.
1405         */
1406        val16 = rtl8xxxu_read16(priv, REG_CR);
1407        val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
1408                  CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
1409                  CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
1410                  CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
1411                  CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
1412        rtl8xxxu_write16(priv, REG_CR, val16);
1413
1414        /*
1415         * BT coexist power on settings. This is identical for 1 and 2
1416         * antenna parts.
1417         */
1418        rtl8xxxu_write8(priv, REG_PAD_CTRL1 + 3, 0x20);
1419
1420        val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1421        val16 |= SYS_FUNC_BBRSTB | SYS_FUNC_BB_GLB_RSTN;
1422        rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1423
1424        rtl8xxxu_write8(priv, REG_BT_CONTROL_8723BU + 1, 0x18);
1425        rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
1426        rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
1427        /* Antenna inverse */
1428        rtl8xxxu_write8(priv, 0xfe08, 0x01);
1429
1430        val16 = rtl8xxxu_read16(priv, REG_PWR_DATA);
1431        val16 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1432        rtl8xxxu_write16(priv, REG_PWR_DATA, val16);
1433
1434        val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1435        val32 |= LEDCFG0_DPDT_SELECT;
1436        rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1437
1438        val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1439        val8 &= ~PAD_CTRL1_SW_DPDT_SEL_DATA;
1440        rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1441exit:
1442        return ret;
1443}
1444
1445static void rtl8723bu_power_off(struct rtl8xxxu_priv *priv)
1446{
1447        u8 val8;
1448        u16 val16;
1449
1450        rtl8xxxu_flush_fifo(priv);
1451
1452        /*
1453         * Disable TX report timer
1454         */
1455        val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
1456        val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
1457        rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
1458
1459        rtl8xxxu_write8(priv, REG_CR, 0x0000);
1460
1461        rtl8xxxu_active_to_lps(priv);
1462
1463        /* Reset Firmware if running in RAM */
1464        if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
1465                rtl8xxxu_firmware_self_reset(priv);
1466
1467        /* Reset MCU */
1468        val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1469        val16 &= ~SYS_FUNC_CPU_ENABLE;
1470        rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1471
1472        /* Reset MCU ready status */
1473        rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
1474
1475        rtl8723bu_active_to_emu(priv);
1476
1477        val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1478        val8 |= BIT(3); /* APS_FSMCO_HW_SUSPEND */
1479        rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1480
1481        /* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */
1482        val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2);
1483        val8 |= BIT(0);
1484        rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8);
1485}
1486
1487static void rtl8723b_enable_rf(struct rtl8xxxu_priv *priv)
1488{
1489        struct h2c_cmd h2c;
1490        u32 val32;
1491        u8 val8;
1492
1493        val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA);
1494        val32 |= (BIT(22) | BIT(23));
1495        rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32);
1496
1497        /*
1498         * No indication anywhere as to what 0x0790 does. The 2 antenna
1499         * vendor code preserves bits 6-7 here.
1500         */
1501        rtl8xxxu_write8(priv, 0x0790, 0x05);
1502        /*
1503         * 0x0778 seems to be related to enabling the number of antennas
1504         * In the vendor driver halbtc8723b2ant_InitHwConfig() sets it
1505         * to 0x03, while halbtc8723b1ant_InitHwConfig() sets it to 0x01
1506         */
1507        rtl8xxxu_write8(priv, 0x0778, 0x01);
1508
1509        val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
1510        val8 |= BIT(5);
1511        rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
1512
1513        rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_IQADJ_G1, 0x780);
1514
1515        rtl8723bu_write_btreg(priv, 0x3c, 0x15); /* BT TRx Mask on */
1516
1517        /*
1518         * Set BT grant to low
1519         */
1520        memset(&h2c, 0, sizeof(struct h2c_cmd));
1521        h2c.bt_grant.cmd = H2C_8723B_BT_GRANT;
1522        h2c.bt_grant.data = 0;
1523        rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_grant));
1524
1525        /*
1526         * WLAN action by PTA
1527         */
1528        rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x0c);
1529
1530        /*
1531         * BT select S0/S1 controlled by WiFi
1532         */
1533        val8 = rtl8xxxu_read8(priv, 0x0067);
1534        val8 |= BIT(5);
1535        rtl8xxxu_write8(priv, 0x0067, val8);
1536
1537        val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
1538        val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1539        rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
1540
1541        /*
1542         * Bits 6/7 are marked in/out ... but for what?
1543         */
1544        rtl8xxxu_write8(priv, 0x0974, 0xff);
1545
1546        val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
1547        val32 |= (BIT(0) | BIT(1));
1548        rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
1549
1550        rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77);
1551
1552        val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1553        val32 &= ~BIT(24);
1554        val32 |= BIT(23);
1555        rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1556
1557        /*
1558         * Fix external switch Main->S1, Aux->S0
1559         */
1560        val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1561        val8 &= ~BIT(0);
1562        rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1563
1564        memset(&h2c, 0, sizeof(struct h2c_cmd));
1565        h2c.ant_sel_rsv.cmd = H2C_8723B_ANT_SEL_RSV;
1566        h2c.ant_sel_rsv.ant_inverse = 1;
1567        h2c.ant_sel_rsv.int_switch_type = 0;
1568        rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ant_sel_rsv));
1569
1570        /*
1571         * Different settings per different antenna position.
1572         *      Antenna Position:   | Normal   Inverse
1573         * --------------------------------------------------
1574         * Antenna switch to BT:    |  0x280,   0x00
1575         * Antenna switch to WiFi:  |  0x0,     0x280
1576         * Antenna switch to PTA:   |  0x200,   0x80
1577         */
1578        rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x80);
1579
1580        /*
1581         * Software control, antenna at WiFi side
1582         */
1583        rtl8723bu_set_ps_tdma(priv, 0x08, 0x00, 0x00, 0x00, 0x00);
1584
1585        rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555);
1586        rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555);
1587        rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
1588        rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
1589
1590        memset(&h2c, 0, sizeof(struct h2c_cmd));
1591        h2c.bt_info.cmd = H2C_8723B_BT_INFO;
1592        h2c.bt_info.data = BIT(0);
1593        rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_info));
1594
1595        memset(&h2c, 0, sizeof(struct h2c_cmd));
1596        h2c.ignore_wlan.cmd = H2C_8723B_BT_IGNORE_WLANACT;
1597        h2c.ignore_wlan.data = 0;
1598        rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ignore_wlan));
1599}
1600
1601static void rtl8723bu_init_aggregation(struct rtl8xxxu_priv *priv)
1602{
1603        u32 agg_rx;
1604        u8 agg_ctrl;
1605
1606        /*
1607         * For now simply disable RX aggregation
1608         */
1609        agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL);
1610        agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN;
1611
1612        agg_rx = rtl8xxxu_read32(priv, REG_RXDMA_AGG_PG_TH);
1613        agg_rx &= ~RXDMA_USB_AGG_ENABLE;
1614        agg_rx &= ~0xff0f;
1615
1616        rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
1617        rtl8xxxu_write32(priv, REG_RXDMA_AGG_PG_TH, agg_rx);
1618}
1619
1620static void rtl8723bu_init_statistics(struct rtl8xxxu_priv *priv)
1621{
1622        u32 val32;
1623
1624        /* Time duration for NHM unit: 4us, 0x2710=40ms */
1625        rtl8xxxu_write16(priv, REG_NHM_TIMER_8723B + 2, 0x2710);
1626        rtl8xxxu_write16(priv, REG_NHM_TH9_TH10_8723B + 2, 0xffff);
1627        rtl8xxxu_write32(priv, REG_NHM_TH3_TO_TH0_8723B, 0xffffff52);
1628        rtl8xxxu_write32(priv, REG_NHM_TH7_TO_TH4_8723B, 0xffffffff);
1629        /* TH8 */
1630        val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1631        val32 |= 0xff;
1632        rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1633        /* Enable CCK */
1634        val32 = rtl8xxxu_read32(priv, REG_NHM_TH9_TH10_8723B);
1635        val32 |= BIT(8) | BIT(9) | BIT(10);
1636        rtl8xxxu_write32(priv, REG_NHM_TH9_TH10_8723B, val32);
1637        /* Max power amongst all RX antennas */
1638        val32 = rtl8xxxu_read32(priv, REG_OFDM0_FA_RSTC);
1639        val32 |= BIT(7);
1640        rtl8xxxu_write32(priv, REG_OFDM0_FA_RSTC, val32);
1641}
1642
1643struct rtl8xxxu_fileops rtl8723bu_fops = {
1644        .parse_efuse = rtl8723bu_parse_efuse,
1645        .load_firmware = rtl8723bu_load_firmware,
1646        .power_on = rtl8723bu_power_on,
1647        .power_off = rtl8723bu_power_off,
1648        .reset_8051 = rtl8723bu_reset_8051,
1649        .llt_init = rtl8xxxu_auto_llt_table,
1650        .init_phy_bb = rtl8723bu_init_phy_bb,
1651        .init_phy_rf = rtl8723bu_init_phy_rf,
1652        .phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection,
1653        .phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
1654        .config_channel = rtl8xxxu_gen2_config_channel,
1655        .parse_rx_desc = rtl8xxxu_parse_rxdesc24,
1656        .init_aggregation = rtl8723bu_init_aggregation,
1657        .init_statistics = rtl8723bu_init_statistics,
1658        .enable_rf = rtl8723b_enable_rf,
1659        .disable_rf = rtl8xxxu_gen2_disable_rf,
1660        .usb_quirks = rtl8xxxu_gen2_usb_quirks,
1661        .set_tx_power = rtl8723b_set_tx_power,
1662        .update_rate_mask = rtl8xxxu_gen2_update_rate_mask,
1663        .report_connect = rtl8xxxu_gen2_report_connect,
1664        .fill_txdesc = rtl8xxxu_fill_txdesc_v2,
1665        .writeN_block_size = 1024,
1666        .tx_desc_size = sizeof(struct rtl8xxxu_txdesc40),
1667        .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24),
1668        .has_s0s1 = 1,
1669        .has_tx_report = 1,
1670        .gen2_thermal_meter = 1,
1671        .needs_full_init = 1,
1672        .adda_1t_init = 0x01c00014,
1673        .adda_1t_path_on = 0x01c00014,
1674        .adda_2t_path_on_a = 0x01c00014,
1675        .adda_2t_path_on_b = 0x01c00014,
1676        .trxff_boundary = 0x3f7f,
1677        .pbp_rx = PBP_PAGE_SIZE_256,
1678        .pbp_tx = PBP_PAGE_SIZE_256,
1679        .mactable = rtl8723b_mac_init_table,
1680        .total_page_num = TX_TOTAL_PAGE_NUM_8723B,
1681        .page_num_hi = TX_PAGE_NUM_HI_PQ_8723B,
1682        .page_num_lo = TX_PAGE_NUM_LO_PQ_8723B,
1683        .page_num_norm = TX_PAGE_NUM_NORM_PQ_8723B,
1684};
1685