drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c

   1 /*
   2  * RTL8XXXU mac80211 USB driver - 8723b specific subdriver
   3  *
   4  * Copyright (c) 2014 - 2016 Jes Sorensen <Jes.Sorensen@redhat.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
  43 static struct rtl8xxxu_reg8val rtl8723b_mac_init_table[] = {
  44         {0x02f, 0x30}, {0x035, 0x00}, {0x039, 0x08}, {0x04e, 0xe0},
  45         {0x064, 0x00}, {0x067, 0x20}, {0x428, 0x0a}, {0x429, 0x10},
  46         {0x430, 0x00}, {0x431, 0x00},
  47         {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05},
  48         {0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05},
  49         {0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01},
  50         {0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00},
  51         {0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f},
  52         {0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00},
  53         {0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f},
  54         {0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66},
  55         {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff},
  56         {0x4cd, 0xff}, {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2},
  57         {0x502, 0x2f}, {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3},
  58         {0x506, 0x5e}, {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4},
  59         {0x50a, 0x5e}, {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4},
  60         {0x50e, 0x00}, {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a},
  61         {0x516, 0x0a}, {0x525, 0x4f},
  62         {0x550, 0x10}, {0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50},
  63         {0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a},
  64         {0x620, 0xff}, {0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff},
  65         {0x624, 0xff}, {0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff},
  66         {0x638, 0x50}, {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e},
  67         {0x63f, 0x0e}, {0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00},
  68         {0x652, 0xc8}, {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43},
  69         {0x702, 0x65}, {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43},
  70         {0x70a, 0x65}, {0x70b, 0x87}, {0x765, 0x18}, {0x76e, 0x04},
  71         {0xffff, 0xff},
  72 };
  73
  74 static struct rtl8xxxu_reg32val rtl8723b_phy_1t_init_table[] = {
  75         {0x800, 0x80040000}, {0x804, 0x00000003},
  76         {0x808, 0x0000fc00}, {0x80c, 0x0000000a},
  77         {0x810, 0x10001331}, {0x814, 0x020c3d10},
  78         {0x818, 0x02200385}, {0x81c, 0x00000000},
  79         {0x820, 0x01000100}, {0x824, 0x00190204},
  80         {0x828, 0x00000000}, {0x82c, 0x00000000},
  81         {0x830, 0x00000000}, {0x834, 0x00000000},
  82         {0x838, 0x00000000}, {0x83c, 0x00000000},
  83         {0x840, 0x00010000}, {0x844, 0x00000000},
  84         {0x848, 0x00000000}, {0x84c, 0x00000000},
  85         {0x850, 0x00000000}, {0x854, 0x00000000},
  86         {0x858, 0x569a11a9}, {0x85c, 0x01000014},
  87         {0x860, 0x66f60110}, {0x864, 0x061f0649},
  88         {0x868, 0x00000000}, {0x86c, 0x27272700},
  89         {0x870, 0x07000760}, {0x874, 0x25004000},
  90         {0x878, 0x00000808}, {0x87c, 0x00000000},
  91         {0x880, 0xb0000c1c}, {0x884, 0x00000001},
  92         {0x888, 0x00000000}, {0x88c, 0xccc000c0},
  93         {0x890, 0x00000800}, {0x894, 0xfffffffe},
  94         {0x898, 0x40302010}, {0x89c, 0x00706050},
  95         {0x900, 0x00000000}, {0x904, 0x00000023},
  96         {0x908, 0x00000000}, {0x90c, 0x81121111},
  97         {0x910, 0x00000002}, {0x914, 0x00000201},
  98         {0xa00, 0x00d047c8}, {0xa04, 0x80ff800c},
  99         {0xa08, 0x8c838300}, {0xa0c, 0x2e7f120f},
 100         {0xa10, 0x9500bb78}, {0xa14, 0x1114d028},
 101         {0xa18, 0x00881117}, {0xa1c, 0x89140f00},
 102         {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317},
 103         {0xa28, 0x00000204}, {0xa2c, 0x00d30000},
 104         {0xa70, 0x101fbf00}, {0xa74, 0x00000007},
 105         {0xa78, 0x00000900}, {0xa7c, 0x225b0606},
 106         {0xa80, 0x21806490}, {0xb2c, 0x00000000},
 107         {0xc00, 0x48071d40}, {0xc04, 0x03a05611},
 108         {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c},
 109         {0xc10, 0x08800000}, {0xc14, 0x40000100},
 110         {0xc18, 0x08800000}, {0xc1c, 0x40000100},
 111         {0xc20, 0x00000000}, {0xc24, 0x00000000},
 112         {0xc28, 0x00000000}, {0xc2c, 0x00000000},
 113         {0xc30, 0x69e9ac44}, {0xc34, 0x469652af},
 114         {0xc38, 0x49795994}, {0xc3c, 0x0a97971c},
 115         {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7},
 116         {0xc48, 0xec020107}, {0xc4c, 0x007f037f},
 117         {0xc50, 0x69553420}, {0xc54, 0x43bc0094},
 118         {0xc58, 0x00013149}, {0xc5c, 0x00250492},
 119         {0xc60, 0x00000000}, {0xc64, 0x7112848b},
 120         {0xc68, 0x47c00bff}, {0xc6c, 0x00000036},
 121         {0xc70, 0x2c7f000d}, {0xc74, 0x020610db},
 122         {0xc78, 0x0000001f}, {0xc7c, 0x00b91612},
 123         {0xc80, 0x390000e4}, {0xc84, 0x20f60000},
 124         {0xc88, 0x40000100}, {0xc8c, 0x20200000},
 125         {0xc90, 0x00020e1a}, {0xc94, 0x00000000},
 126         {0xc98, 0x00020e1a}, {0xc9c, 0x00007f7f},
 127         {0xca0, 0x00000000}, {0xca4, 0x000300a0},
 128         {0xca8, 0x00000000}, {0xcac, 0x00000000},
 129         {0xcb0, 0x00000000}, {0xcb4, 0x00000000},
 130         {0xcb8, 0x00000000}, {0xcbc, 0x28000000},
 131         {0xcc0, 0x00000000}, {0xcc4, 0x00000000},
 132         {0xcc8, 0x00000000}, {0xccc, 0x00000000},
 133         {0xcd0, 0x00000000}, {0xcd4, 0x00000000},
 134         {0xcd8, 0x64b22427}, {0xcdc, 0x00766932},
 135         {0xce0, 0x00222222}, {0xce4, 0x00000000},
 136         {0xce8, 0x37644302}, {0xcec, 0x2f97d40c},
 137         {0xd00, 0x00000740}, {0xd04, 0x40020401},
 138         {0xd08, 0x0000907f}, {0xd0c, 0x20010201},
 139         {0xd10, 0xa0633333}, {0xd14, 0x3333bc53},
 140         {0xd18, 0x7a8f5b6f}, {0xd2c, 0xcc979975},
 141         {0xd30, 0x00000000}, {0xd34, 0x80608000},
 142         {0xd38, 0x00000000}, {0xd3c, 0x00127353},
 143         {0xd40, 0x00000000}, {0xd44, 0x00000000},
 144         {0xd48, 0x00000000}, {0xd4c, 0x00000000},
 145         {0xd50, 0x6437140a}, {0xd54, 0x00000000},
 146         {0xd58, 0x00000282}, {0xd5c, 0x30032064},
 147         {0xd60, 0x4653de68}, {0xd64, 0x04518a3c},
 148         {0xd68, 0x00002101}, {0xd6c, 0x2a201c16},
 149         {0xd70, 0x1812362e}, {0xd74, 0x322c2220},
 150         {0xd78, 0x000e3c24}, {0xe00, 0x2d2d2d2d},
 151         {0xe04, 0x2d2d2d2d}, {0xe08, 0x0390272d},
 152         {0xe10, 0x2d2d2d2d}, {0xe14, 0x2d2d2d2d},
 153         {0xe18, 0x2d2d2d2d}, {0xe1c, 0x2d2d2d2d},
 154         {0xe28, 0x00000000}, {0xe30, 0x1000dc1f},
 155         {0xe34, 0x10008c1f}, {0xe38, 0x02140102},
 156         {0xe3c, 0x681604c2}, {0xe40, 0x01007c00},
 157         {0xe44, 0x01004800}, {0xe48, 0xfb000000},
 158         {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f},
 159         {0xe54, 0x10008c1f}, {0xe58, 0x02140102},
 160         {0xe5c, 0x28160d05}, {0xe60, 0x00000008},
 161         {0xe68, 0x001b2556}, {0xe6c, 0x00c00096},
 162         {0xe70, 0x00c00096}, {0xe74, 0x01000056},
 163         {0xe78, 0x01000014}, {0xe7c, 0x01000056},
 164         {0xe80, 0x01000014}, {0xe84, 0x00c00096},
 165         {0xe88, 0x01000056}, {0xe8c, 0x00c00096},
 166         {0xed0, 0x00c00096}, {0xed4, 0x00c00096},
 167         {0xed8, 0x00c00096}, {0xedc, 0x000000d6},
 168         {0xee0, 0x000000d6}, {0xeec, 0x01c00016},
 169         {0xf14, 0x00000003}, {0xf4c, 0x00000000},
 170         {0xf00, 0x00000300},
 171         {0x820, 0x01000100}, {0x800, 0x83040000},
 172         {0xffff, 0xffffffff},
 173 };
 174
 175 static struct rtl8xxxu_reg32val rtl8xxx_agc_8723bu_table[] = {
 176         {0xc78, 0xfd000001}, {0xc78, 0xfc010001},
 177         {0xc78, 0xfb020001}, {0xc78, 0xfa030001},
 178         {0xc78, 0xf9040001}, {0xc78, 0xf8050001},
 179         {0xc78, 0xf7060001}, {0xc78, 0xf6070001},
 180         {0xc78, 0xf5080001}, {0xc78, 0xf4090001},
 181         {0xc78, 0xf30a0001}, {0xc78, 0xf20b0001},
 182         {0xc78, 0xf10c0001}, {0xc78, 0xf00d0001},
 183         {0xc78, 0xef0e0001}, {0xc78, 0xee0f0001},
 184         {0xc78, 0xed100001}, {0xc78, 0xec110001},
 185         {0xc78, 0xeb120001}, {0xc78, 0xea130001},
 186         {0xc78, 0xe9140001}, {0xc78, 0xe8150001},
 187         {0xc78, 0xe7160001}, {0xc78, 0xe6170001},
 188         {0xc78, 0xe5180001}, {0xc78, 0xe4190001},
 189         {0xc78, 0xe31a0001}, {0xc78, 0xa51b0001},
 190         {0xc78, 0xa41c0001}, {0xc78, 0xa31d0001},
 191         {0xc78, 0x671e0001}, {0xc78, 0x661f0001},
 192         {0xc78, 0x65200001}, {0xc78, 0x64210001},
 193         {0xc78, 0x63220001}, {0xc78, 0x4a230001},
 194         {0xc78, 0x49240001}, {0xc78, 0x48250001},
 195         {0xc78, 0x47260001}, {0xc78, 0x46270001},
 196         {0xc78, 0x45280001}, {0xc78, 0x44290001},
 197         {0xc78, 0x432a0001}, {0xc78, 0x422b0001},
 198         {0xc78, 0x292c0001}, {0xc78, 0x282d0001},
 199         {0xc78, 0x272e0001}, {0xc78, 0x262f0001},
 200         {0xc78, 0x0a300001}, {0xc78, 0x09310001},
 201         {0xc78, 0x08320001}, {0xc78, 0x07330001},
 202         {0xc78, 0x06340001}, {0xc78, 0x05350001},
 203         {0xc78, 0x04360001}, {0xc78, 0x03370001},
 204         {0xc78, 0x02380001}, {0xc78, 0x01390001},
 205         {0xc78, 0x013a0001}, {0xc78, 0x013b0001},
 206         {0xc78, 0x013c0001}, {0xc78, 0x013d0001},
 207         {0xc78, 0x013e0001}, {0xc78, 0x013f0001},
 208         {0xc78, 0xfc400001}, {0xc78, 0xfb410001},
 209         {0xc78, 0xfa420001}, {0xc78, 0xf9430001},
 210         {0xc78, 0xf8440001}, {0xc78, 0xf7450001},
 211         {0xc78, 0xf6460001}, {0xc78, 0xf5470001},
 212         {0xc78, 0xf4480001}, {0xc78, 0xf3490001},
 213         {0xc78, 0xf24a0001}, {0xc78, 0xf14b0001},
 214         {0xc78, 0xf04c0001}, {0xc78, 0xef4d0001},
 215         {0xc78, 0xee4e0001}, {0xc78, 0xed4f0001},
 216         {0xc78, 0xec500001}, {0xc78, 0xeb510001},
 217         {0xc78, 0xea520001}, {0xc78, 0xe9530001},
 218         {0xc78, 0xe8540001}, {0xc78, 0xe7550001},
 219         {0xc78, 0xe6560001}, {0xc78, 0xe5570001},
 220         {0xc78, 0xe4580001}, {0xc78, 0xe3590001},
 221         {0xc78, 0xa65a0001}, {0xc78, 0xa55b0001},
 222         {0xc78, 0xa45c0001}, {0xc78, 0xa35d0001},
 223         {0xc78, 0x675e0001}, {0xc78, 0x665f0001},
 224         {0xc78, 0x65600001}, {0xc78, 0x64610001},
 225         {0xc78, 0x63620001}, {0xc78, 0x62630001},
 226         {0xc78, 0x61640001}, {0xc78, 0x48650001},
 227         {0xc78, 0x47660001}, {0xc78, 0x46670001},
 228         {0xc78, 0x45680001}, {0xc78, 0x44690001},
 229         {0xc78, 0x436a0001}, {0xc78, 0x426b0001},
 230         {0xc78, 0x286c0001}, {0xc78, 0x276d0001},
 231         {0xc78, 0x266e0001}, {0xc78, 0x256f0001},
 232         {0xc78, 0x24700001}, {0xc78, 0x09710001},
 233         {0xc78, 0x08720001}, {0xc78, 0x07730001},
 234         {0xc78, 0x06740001}, {0xc78, 0x05750001},
 235         {0xc78, 0x04760001}, {0xc78, 0x03770001},
 236         {0xc78, 0x02780001}, {0xc78, 0x01790001},
 237         {0xc78, 0x017a0001}, {0xc78, 0x017b0001},
 238         {0xc78, 0x017c0001}, {0xc78, 0x017d0001},
 239         {0xc78, 0x017e0001}, {0xc78, 0x017f0001},
 240         {0xc50, 0x69553422},
 241         {0xc50, 0x69553420},
 242         {0x824, 0x00390204},
 243         {0xffff, 0xffffffff}
 244 };
 245
 246 static struct rtl8xxxu_rfregval rtl8723bu_radioa_1t_init_table[] = {
 247         {0x00, 0x00010000}, {0xb0, 0x000dffe0},
 248         {0xfe, 0x00000000}, {0xfe, 0x00000000},
 249         {0xfe, 0x00000000}, {0xb1, 0x00000018},
 250         {0xfe, 0x00000000}, {0xfe, 0x00000000},
 251         {0xfe, 0x00000000}, {0xb2, 0x00084c00},
 252         {0xb5, 0x0000d2cc}, {0xb6, 0x000925aa},
 253         {0xb7, 0x00000010}, {0xb8, 0x0000907f},
 254         {0x5c, 0x00000002}, {0x7c, 0x00000002},
 255         {0x7e, 0x00000005}, {0x8b, 0x0006fc00},
 256         {0xb0, 0x000ff9f0}, {0x1c, 0x000739d2},
 257         {0x1e, 0x00000000}, {0xdf, 0x00000780},
 258         {0x50, 0x00067435},
 259         /*
 260          * The 8723bu vendor driver indicates that bit 8 should be set in
 261          * 0x51 for package types TFBGA90, TFBGA80, and TFBGA79. However
 262          * they never actually check the package type - and just default
 263          * to not setting it.
 264          */
 265         {0x51, 0x0006b04e},
 266         {0x52, 0x000007d2}, {0x53, 0x00000000},
 267         {0x54, 0x00050400}, {0x55, 0x0004026e},
 268         {0xdd, 0x0000004c}, {0x70, 0x00067435},
 269         /*
 270          * 0x71 has same package type condition as for register 0x51
 271          */
 272         {0x71, 0x0006b04e},
 273         {0x72, 0x000007d2}, {0x73, 0x00000000},
 274         {0x74, 0x00050400}, {0x75, 0x0004026e},
 275         {0xef, 0x00000100}, {0x34, 0x0000add7},
 276         {0x35, 0x00005c00}, {0x34, 0x00009dd4},
 277         {0x35, 0x00005000}, {0x34, 0x00008dd1},
 278         {0x35, 0x00004400}, {0x34, 0x00007dce},
 279         {0x35, 0x00003800}, {0x34, 0x00006cd1},
 280         {0x35, 0x00004400}, {0x34, 0x00005cce},
 281         {0x35, 0x00003800}, {0x34, 0x000048ce},
 282         {0x35, 0x00004400}, {0x34, 0x000034ce},
 283         {0x35, 0x00003800}, {0x34, 0x00002451},
 284         {0x35, 0x00004400}, {0x34, 0x0000144e},
 285         {0x35, 0x00003800}, {0x34, 0x00000051},
 286         {0x35, 0x00004400}, {0xef, 0x00000000},
 287         {0xef, 0x00000100}, {0xed, 0x00000010},
 288         {0x44, 0x0000add7}, {0x44, 0x00009dd4},
 289         {0x44, 0x00008dd1}, {0x44, 0x00007dce},
 290         {0x44, 0x00006cc1}, {0x44, 0x00005cce},
 291         {0x44, 0x000044d1}, {0x44, 0x000034ce},
 292         {0x44, 0x00002451}, {0x44, 0x0000144e},
 293         {0x44, 0x00000051}, {0xef, 0x00000000},
 294         {0xed, 0x00000000}, {0x7f, 0x00020080},
 295         {0xef, 0x00002000}, {0x3b, 0x000380ef},
 296         {0x3b, 0x000302fe}, {0x3b, 0x00028ce6},
 297         {0x3b, 0x000200bc}, {0x3b, 0x000188a5},
 298         {0x3b, 0x00010fbc}, {0x3b, 0x00008f71},
 299         {0x3b, 0x00000900}, {0xef, 0x00000000},
 300         {0xed, 0x00000001}, {0x40, 0x000380ef},
 301         {0x40, 0x000302fe}, {0x40, 0x00028ce6},
 302         {0x40, 0x000200bc}, {0x40, 0x000188a5},
 303         {0x40, 0x00010fbc}, {0x40, 0x00008f71},
 304         {0x40, 0x00000900}, {0xed, 0x00000000},
 305         {0x82, 0x00080000}, {0x83, 0x00008000},
 306         {0x84, 0x00048d80}, {0x85, 0x00068000},
 307         {0xa2, 0x00080000}, {0xa3, 0x00008000},
 308         {0xa4, 0x00048d80}, {0xa5, 0x00068000},
 309         {0xed, 0x00000002}, {0xef, 0x00000002},
 310         {0x56, 0x00000032}, {0x76, 0x00000032},
 311         {0x01, 0x00000780},
 312         {0xff, 0xffffffff}
 313 };
 314
 315 static void rtl8723bu_write_btreg(struct rtl8xxxu_priv *priv, u8 reg, u8 data)
 316 {
 317         struct h2c_cmd h2c;
 318         int reqnum = 0;
 319
 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.data = data;
 325         rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper));
 326
 327         reqnum++;
 328         memset(&h2c, 0, sizeof(struct h2c_cmd));
 329         h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER;
 330         h2c.bt_mp_oper.operreq = 0 | (reqnum << 4);
 331         h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE;
 332         h2c.bt_mp_oper.addr = reg;
 333         rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper));
 334 }
 335
 336 static void rtl8723bu_reset_8051(struct rtl8xxxu_priv *priv)
 337 {
 338         u8 val8;
 339         u16 sys_func;
 340
 341         val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
 342         val8 &= ~BIT(1);
 343         rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
 344
 345         val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
 346         val8 &= ~BIT(0);
 347         rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
 348
 349         sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
 350         sys_func &= ~SYS_FUNC_CPU_ENABLE;
 351         rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
 352
 353         val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
 354         val8 &= ~BIT(1);
 355         rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
 356
 357         val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
 358         val8 |= BIT(0);
 359         rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
 360
 361         sys_func |= SYS_FUNC_CPU_ENABLE;
 362         rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
 363 }
 364
 365 static void
 366 rtl8723b_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
 367 {
 368         u32 val32, ofdm, mcs;
 369         u8 cck, ofdmbase, mcsbase;
 370         int group, tx_idx;
 371
 372         tx_idx = 0;
 373         group = rtl8xxxu_gen2_channel_to_group(channel);
 374
 375         cck = priv->cck_tx_power_index_B[group];
 376         val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
 377         val32 &= 0xffff00ff;
 378         val32 |= (cck << 8);
 379         rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
 380
 381         val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
 382         val32 &= 0xff;
 383         val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
 384         rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
 385
 386         ofdmbase = priv->ht40_1s_tx_power_index_B[group];
 387         ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b;
 388         ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24;
 389
 390         rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
 391         rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
 392
 393         mcsbase = priv->ht40_1s_tx_power_index_B[group];
 394         if (ht40)
 395                 mcsbase += priv->ht40_tx_power_diff[tx_idx++].b;
 396         else
 397                 mcsbase += priv->ht20_tx_power_diff[tx_idx++].b;
 398         mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
 399
 400         rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
 401         rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
 402 }
 403
 404 static int rtl8723bu_parse_efuse(struct rtl8xxxu_priv *priv)
 405 {
 406         struct rtl8723bu_efuse *efuse = &priv->efuse_wifi.efuse8723bu;
 407         int i;
 408
 409         if (efuse->rtl_id != cpu_to_le16(0x8129))
 410                 return -EINVAL;
 411
 412         ether_addr_copy(priv->mac_addr, efuse->mac_addr);
 413
 414         memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base,
 415                sizeof(efuse->tx_power_index_A.cck_base));
 416         memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base,
 417                sizeof(efuse->tx_power_index_B.cck_base));
 418
 419         memcpy(priv->ht40_1s_tx_power_index_A,
 420                efuse->tx_power_index_A.ht40_base,
 421                sizeof(efuse->tx_power_index_A.ht40_base));
 422         memcpy(priv->ht40_1s_tx_power_index_B,
 423                efuse->tx_power_index_B.ht40_base,
 424                sizeof(efuse->tx_power_index_B.ht40_base));
 425
 426         priv->ofdm_tx_power_diff[0].a =
 427                 efuse->tx_power_index_A.ht20_ofdm_1s_diff.a;
 428         priv->ofdm_tx_power_diff[0].b =
 429                 efuse->tx_power_index_B.ht20_ofdm_1s_diff.a;
 430
 431         priv->ht20_tx_power_diff[0].a =
 432                 efuse->tx_power_index_A.ht20_ofdm_1s_diff.b;
 433         priv->ht20_tx_power_diff[0].b =
 434                 efuse->tx_power_index_B.ht20_ofdm_1s_diff.b;
 435
 436         priv->ht40_tx_power_diff[0].a = 0;
 437         priv->ht40_tx_power_diff[0].b = 0;
 438
 439         for (i = 1; i < RTL8723B_TX_COUNT; i++) {
 440                 priv->ofdm_tx_power_diff[i].a =
 441                         efuse->tx_power_index_A.pwr_diff[i - 1].ofdm;
 442                 priv->ofdm_tx_power_diff[i].b =
 443                         efuse->tx_power_index_B.pwr_diff[i - 1].ofdm;
 444
 445                 priv->ht20_tx_power_diff[i].a =
 446                         efuse->tx_power_index_A.pwr_diff[i - 1].ht20;
 447                 priv->ht20_tx_power_diff[i].b =
 448                         efuse->tx_power_index_B.pwr_diff[i - 1].ht20;
 449
 450                 priv->ht40_tx_power_diff[i].a =
 451                         efuse->tx_power_index_A.pwr_diff[i - 1].ht40;
 452                 priv->ht40_tx_power_diff[i].b =
 453                         efuse->tx_power_index_B.pwr_diff[i - 1].ht40;
 454         }
 455
 456         priv->has_xtalk = 1;
 457         priv->xtalk = priv->efuse_wifi.efuse8723bu.xtal_k & 0x3f;
 458
 459         dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name);
 460         dev_info(&priv->udev->dev, "Product: %.41s\n", efuse->device_name);
 461
 462         if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) {
 463                 int i;
 464                 unsigned char *raw = priv->efuse_wifi.raw;
 465
 466                 dev_info(&priv->udev->dev,
 467                          "%s: dumping efuse (0x%02zx bytes):\n",
 468                          __func__, sizeof(struct rtl8723bu_efuse));
 469                 for (i = 0; i < sizeof(struct rtl8723bu_efuse); i += 8)
 470                         dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]);
 471         }
 472
 473         return 0;
 474 }
 475
 476 static int rtl8723bu_load_firmware(struct rtl8xxxu_priv *priv)
 477 {
 478         char *fw_name;
 479         int ret;
 480
 481         if (priv->enable_bluetooth)
 482                 fw_name = "rtlwifi/rtl8723bu_bt.bin";
 483         else
 484                 fw_name = "rtlwifi/rtl8723bu_nic.bin";
 485
 486         ret = rtl8xxxu_load_firmware(priv, fw_name);
 487         return ret;
 488 }
 489
 490 static void rtl8723bu_init_phy_bb(struct rtl8xxxu_priv *priv)
 491 {
 492         u8 val8;
 493         u16 val16;
 494
 495         val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
 496         val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF;
 497         rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
 498
 499         rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
 500
 501         /* 6. 0x1f[7:0] = 0x07 */
 502         val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
 503         rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
 504
 505         /* Why? */
 506         rtl8xxxu_write8(priv, REG_SYS_FUNC, 0xe3);
 507         rtl8xxxu_write8(priv, REG_AFE_XTAL_CTRL + 1, 0x80);
 508         rtl8xxxu_init_phy_regs(priv, rtl8723b_phy_1t_init_table);
 509
 510         rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8723bu_table);
 511 }
 512
 513 static int rtl8723bu_init_phy_rf(struct rtl8xxxu_priv *priv)
 514 {
 515         int ret;
 516
 517         ret = rtl8xxxu_init_phy_rf(priv, rtl8723bu_radioa_1t_init_table, RF_A);
 518         /*
 519          * PHY LCK
 520          */
 521         rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdfbe0);
 522         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, 0x8c01);
 523         msleep(200);
 524         rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdffe0);
 525
 526         return ret;
 527 }
 528
 529 static void rtl8723bu_phy_init_antenna_selection(struct rtl8xxxu_priv *priv)
 530 {
 531         u32 val32;
 532
 533         val32 = rtl8xxxu_read32(priv, REG_PAD_CTRL1);
 534         val32 &= ~(BIT(20) | BIT(24));
 535         rtl8xxxu_write32(priv, REG_PAD_CTRL1, val32);
 536
 537         val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG);
 538         val32 &= ~BIT(4);
 539         rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32);
 540
 541         val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG);
 542         val32 |= BIT(3);
 543         rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32);
 544
 545         val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
 546         val32 |= BIT(24);
 547         rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
 548
 549         val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
 550         val32 &= ~BIT(23);
 551         rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
 552
 553         val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
 554         val32 |= (BIT(0) | BIT(1));
 555         rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
 556
 557         val32 = rtl8xxxu_read32(priv, REG_RFE_CTRL_ANTA_SRC);
 558         val32 &= 0xffffff00;
 559         val32 |= 0x77;
 560         rtl8xxxu_write32(priv, REG_RFE_CTRL_ANTA_SRC, val32);
 561
 562         val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
 563         val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
 564         rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
 565 }
 566
 567 static int rtl8723bu_iqk_path_a(struct rtl8xxxu_priv *priv)
 568 {
 569         u32 reg_eac, reg_e94, reg_e9c, path_sel, val32;
 570         int result = 0;
 571
 572         path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
 573
 574         /*
 575          * Leave IQK mode
 576          */
 577         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 578         val32 &= 0x000000ff;
 579         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 580
 581         /*
 582          * Enable path A PA in TX IQK mode
 583          */
 584         val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
 585         val32 |= 0x80000;
 586         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
 587         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000);
 588         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0003f);
 589         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xc7f87);
 590
 591         /*
 592          * Tx IQK setting
 593          */
 594         rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
 595         rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 596
 597         /* path-A IQK setting */
 598         rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
 599         rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
 600         rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 601         rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 602
 603         rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821403ea);
 604         rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000);
 605         rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
 606         rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
 607
 608         /* LO calibration setting */
 609         rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
 610
 611         /*
 612          * Enter IQK mode
 613          */
 614         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 615         val32 &= 0x000000ff;
 616         val32 |= 0x80800000;
 617         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 618
 619         /*
 620          * The vendor driver indicates the USB module is always using
 621          * S0S1 path 1 for the 8723bu. This may be different for 8192eu
 622          */
 623         if (priv->rf_paths > 1)
 624                 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
 625         else
 626                 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
 627
 628         /*
 629          * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu.
 630          * No trace of this in the 8192eu or 8188eu vendor drivers.
 631          */
 632         rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
 633
 634         /* One shot, path A LOK & IQK */
 635         rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
 636         rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 637
 638         mdelay(1);
 639
 640         /* Restore Ant Path */
 641         rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
 642 #ifdef RTL8723BU_BT
 643         /* GNT_BT = 1 */
 644         rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
 645 #endif
 646
 647         /*
 648          * Leave IQK mode
 649          */
 650         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 651         val32 &= 0x000000ff;
 652         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 653
 654         /* Check failed */
 655         reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 656         reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
 657         reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
 658
 659         val32 = (reg_e9c >> 16) & 0x3ff;
 660         if (val32 & 0x200)
 661                 val32 = 0x400 - val32;
 662
 663         if (!(reg_eac & BIT(28)) &&
 664             ((reg_e94 & 0x03ff0000) != 0x01420000) &&
 665             ((reg_e9c & 0x03ff0000) != 0x00420000) &&
 666             ((reg_e94 & 0x03ff0000)  < 0x01100000) &&
 667             ((reg_e94 & 0x03ff0000)  > 0x00f00000) &&
 668             val32 < 0xf)
 669                 result |= 0x01;
 670         else    /* If TX not OK, ignore RX */
 671                 goto out;
 672
 673 out:
 674         return result;
 675 }
 676
 677 static int rtl8723bu_rx_iqk_path_a(struct rtl8xxxu_priv *priv)
 678 {
 679         u32 reg_ea4, reg_eac, reg_e94, reg_e9c, path_sel, val32;
 680         int result = 0;
 681
 682         path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
 683
 684         /*
 685          * Leave IQK mode
 686          */
 687         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 688         val32 &= 0x000000ff;
 689         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 690
 691         /*
 692          * Enable path A PA in TX IQK mode
 693          */
 694         val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
 695         val32 |= 0x80000;
 696         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
 697         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
 698         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
 699         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7);
 700
 701         /*
 702          * Tx IQK setting
 703          */
 704         rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
 705         rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 706
 707         /* path-A IQK setting */
 708         rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
 709         rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
 710         rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 711         rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 712
 713         rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160ff0);
 714         rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000);
 715         rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
 716         rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
 717
 718         /* LO calibration setting */
 719         rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
 720
 721         /*
 722          * Enter IQK mode
 723          */
 724         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 725         val32 &= 0x000000ff;
 726         val32 |= 0x80800000;
 727         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 728
 729         /*
 730          * The vendor driver indicates the USB module is always using
 731          * S0S1 path 1 for the 8723bu. This may be different for 8192eu
 732          */
 733         if (priv->rf_paths > 1)
 734                 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
 735         else
 736                 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
 737
 738         /*
 739          * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu.
 740          * No trace of this in the 8192eu or 8188eu vendor drivers.
 741          */
 742         rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
 743
 744         /* One shot, path A LOK & IQK */
 745         rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
 746         rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 747
 748         mdelay(1);
 749
 750         /* Restore Ant Path */
 751         rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
 752 #ifdef RTL8723BU_BT
 753         /* GNT_BT = 1 */
 754         rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
 755 #endif
 756
 757         /*
 758          * Leave IQK mode
 759          */
 760         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 761         val32 &= 0x000000ff;
 762         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 763
 764         /* Check failed */
 765         reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 766         reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
 767         reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
 768
 769         val32 = (reg_e9c >> 16) & 0x3ff;
 770         if (val32 & 0x200)
 771                 val32 = 0x400 - val32;
 772
 773         if (!(reg_eac & BIT(28)) &&
 774             ((reg_e94 & 0x03ff0000) != 0x01420000) &&
 775             ((reg_e9c & 0x03ff0000) != 0x00420000) &&
 776             ((reg_e94 & 0x03ff0000)  < 0x01100000) &&
 777             ((reg_e94 & 0x03ff0000)  > 0x00f00000) &&
 778             val32 < 0xf)
 779                 result |= 0x01;
 780         else    /* If TX not OK, ignore RX */
 781                 goto out;
 782
 783         val32 = 0x80007c00 | (reg_e94 &0x3ff0000) |
 784                 ((reg_e9c & 0x3ff0000) >> 16);
 785         rtl8xxxu_write32(priv, REG_TX_IQK, val32);
 786
 787         /*
 788          * Modify RX IQK mode
 789          */
 790         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 791         val32 &= 0x000000ff;
 792         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 793         val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
 794         val32 |= 0x80000;
 795         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
 796         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
 797         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
 798         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7d77);
 799
 800         /*
 801          * PA, PAD setting
 802          */
 803         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0xf80);
 804         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55, 0x4021f);
 805
 806         /*
 807          * RX IQK setting
 808          */
 809         rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
 810
 811         /* path-A IQK setting */
 812         rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
 813         rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c);
 814         rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
 815         rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
 816
 817         rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82110000);
 818         rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x2816001f);
 819         rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
 820         rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
 821
 822         /* LO calibration setting */
 823         rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a8d1);
 824
 825         /*
 826          * Enter IQK mode
 827          */
 828         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 829         val32 &= 0x000000ff;
 830         val32 |= 0x80800000;
 831         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 832
 833         if (priv->rf_paths > 1)
 834                 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
 835         else
 836                 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
 837
 838         /*
 839          * Disable BT
 840          */
 841         rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
 842
 843         /* One shot, path A LOK & IQK */
 844         rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
 845         rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
 846
 847         mdelay(1);
 848
 849         /* Restore Ant Path */
 850         rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
 851 #ifdef RTL8723BU_BT
 852         /* GNT_BT = 1 */
 853         rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
 854 #endif
 855
 856         /*
 857          * Leave IQK mode
 858          */
 859         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 860         val32 &= 0x000000ff;
 861         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 862
 863         /* Check failed */
 864         reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
 865         reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
 866
 867         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x780);
 868
 869         val32 = (reg_eac >> 16) & 0x3ff;
 870         if (val32 & 0x200)
 871                 val32 = 0x400 - val32;
 872
 873         if (!(reg_eac & BIT(27)) &&
 874             ((reg_ea4 & 0x03ff0000) != 0x01320000) &&
 875             ((reg_eac & 0x03ff0000) != 0x00360000) &&
 876             ((reg_ea4 & 0x03ff0000)  < 0x01100000) &&
 877             ((reg_ea4 & 0x03ff0000)  > 0x00f00000) &&
 878             val32 < 0xf)
 879                 result |= 0x02;
 880         else    /* If TX not OK, ignore RX */
 881                 goto out;
 882 out:
 883         return result;
 884 }
 885
 886 static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
 887                                       int result[][8], int t)
 888 {
 889         struct device *dev = &priv->udev->dev;
 890         u32 i, val32;
 891         int path_a_ok /*, path_b_ok */;
 892         int retry = 2;
 893         const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
 894                 REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
 895                 REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
 896                 REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
 897                 REG_TX_OFDM_BBON, REG_TX_TO_RX,
 898                 REG_TX_TO_TX, REG_RX_CCK,
 899                 REG_RX_OFDM, REG_RX_WAIT_RIFS,
 900                 REG_RX_TO_RX, REG_STANDBY,
 901                 REG_SLEEP, REG_PMPD_ANAEN
 902         };
 903         const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
 904                 REG_TXPAUSE, REG_BEACON_CTRL,
 905                 REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
 906         };
 907         const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
 908                 REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
 909                 REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
 910                 REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
 911                 REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE
 912         };
 913         u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff;
 914         u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff;
 915
 916         /*
 917          * Note: IQ calibration must be performed after loading
 918          *       PHY_REG.txt , and radio_a, radio_b.txt
 919          */
 920
 921         if (t == 0) {
 922                 /* Save ADDA parameters, turn Path A ADDA on */
 923                 rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
 924                                    RTL8XXXU_ADDA_REGS);
 925                 rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
 926                 rtl8xxxu_save_regs(priv, iqk_bb_regs,
 927                                    priv->bb_backup, RTL8XXXU_BB_REGS);
 928         }
 929
 930         rtl8xxxu_path_adda_on(priv, adda_regs, true);
 931
 932         /* MAC settings */
 933         rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
 934
 935         val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
 936         val32 |= 0x0f000000;
 937         rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);
 938
 939         rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
 940         rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
 941         rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000);
 942
 943         /*
 944          * RX IQ calibration setting for 8723B D cut large current issue
 945          * when leaving IPS
 946          */
 947         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 948         val32 &= 0x000000ff;
 949         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 950
 951         val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
 952         val32 |= 0x80000;
 953         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
 954
 955         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
 956         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
 957         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7);
 958
 959         val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED);
 960         val32 |= 0x20;
 961         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32);
 962
 963         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_43, 0x60fbd);
 964
 965         for (i = 0; i < retry; i++) {
 966                 path_a_ok = rtl8723bu_iqk_path_a(priv);
 967                 if (path_a_ok == 0x01) {
 968                         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
 969                         val32 &= 0x000000ff;
 970                         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
 971
 972                         val32 = rtl8xxxu_read32(priv,
 973                                                 REG_TX_POWER_BEFORE_IQK_A);
 974                         result[t][0] = (val32 >> 16) & 0x3ff;
 975                         val32 = rtl8xxxu_read32(priv,
 976                                                 REG_TX_POWER_AFTER_IQK_A);
 977                         result[t][1] = (val32 >> 16) & 0x3ff;
 978
 979                         break;
 980                 }
 981         }
 982
 983         if (!path_a_ok)
 984                 dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__);
 985
 986         for (i = 0; i < retry; i++) {
 987                 path_a_ok = rtl8723bu_rx_iqk_path_a(priv);
 988                 if (path_a_ok == 0x03) {
 989                         val32 = rtl8xxxu_read32(priv,
 990                                                 REG_RX_POWER_BEFORE_IQK_A_2);
 991                         result[t][2] = (val32 >> 16) & 0x3ff;
 992                         val32 = rtl8xxxu_read32(priv,
 993                                                 REG_RX_POWER_AFTER_IQK_A_2);
 994                         result[t][3] = (val32 >> 16) & 0x3ff;
 995
 996                         break;
 997                 }
 998         }
 999
1000         if (!path_a_ok)
1001                 dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__);
1002
1003         if (priv->tx_paths > 1) {
1004 #if 1
1005                 dev_warn(dev, "%s: Path B not supported\n", __func__);
1006 #else
1007
1008                 /*
1009                  * Path A into standby
1010                  */
1011                 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1012                 val32 &= 0x000000ff;
1013                 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1014                 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000);
1015
1016                 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1017                 val32 &= 0x000000ff;
1018                 val32 |= 0x80800000;
1019                 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1020
1021                 /* Turn Path B ADDA on */
1022                 rtl8xxxu_path_adda_on(priv, adda_regs, false);
1023
1024                 for (i = 0; i < retry; i++) {
1025                         path_b_ok = rtl8xxxu_iqk_path_b(priv);
1026                         if (path_b_ok == 0x03) {
1027                                 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
1028                                 result[t][4] = (val32 >> 16) & 0x3ff;
1029                                 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
1030                                 result[t][5] = (val32 >> 16) & 0x3ff;
1031                                 break;
1032                         }
1033                 }
1034
1035                 if (!path_b_ok)
1036                         dev_dbg(dev, "%s: Path B IQK failed!\n", __func__);
1037
1038                 for (i = 0; i < retry; i++) {
1039                         path_b_ok = rtl8723bu_rx_iqk_path_b(priv);
1040                         if (path_a_ok == 0x03) {
1041                                 val32 = rtl8xxxu_read32(priv,
1042                                                         REG_RX_POWER_BEFORE_IQK_B_2);
1043                                 result[t][6] = (val32 >> 16) & 0x3ff;
1044                                 val32 = rtl8xxxu_read32(priv,
1045                                                         REG_RX_POWER_AFTER_IQK_B_2);
1046                                 result[t][7] = (val32 >> 16) & 0x3ff;
1047                                 break;
1048                         }
1049                 }
1050
1051                 if (!path_b_ok)
1052                         dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__);
1053 #endif
1054         }
1055
1056         /* Back to BB mode, load original value */
1057         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1058         val32 &= 0x000000ff;
1059         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1060
1061         if (t) {
1062                 /* Reload ADDA power saving parameters */
1063                 rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
1064                                       RTL8XXXU_ADDA_REGS);
1065
1066                 /* Reload MAC parameters */
1067                 rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1068
1069                 /* Reload BB parameters */
1070                 rtl8xxxu_restore_regs(priv, iqk_bb_regs,
1071                                       priv->bb_backup, RTL8XXXU_BB_REGS);
1072
1073                 /* Restore RX initial gain */
1074                 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1075                 val32 &= 0xffffff00;
1076                 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50);
1077                 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc);
1078
1079                 if (priv->tx_paths > 1) {
1080                         val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1);
1081                         val32 &= 0xffffff00;
1082                         rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1083                                          val32 | 0x50);
1084                         rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1085                                          val32 | xb_agc);
1086                 }
1087
1088                 /* Load 0xe30 IQC default value */
1089                 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
1090                 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
1091         }
1092 }
1093
1094 static void rtl8723bu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
1095 {
1096         struct device *dev = &priv->udev->dev;
1097         int result[4][8];       /* last is final result */
1098         int i, candidate;
1099         bool path_a_ok, path_b_ok;
1100         u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
1101         u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
1102         u32 val32, bt_control;
1103         s32 reg_tmp = 0;
1104         bool simu;
1105
1106         rtl8xxxu_gen2_prepare_calibrate(priv, 1);
1107
1108         memset(result, 0, sizeof(result));
1109         candidate = -1;
1110
1111         path_a_ok = false;
1112         path_b_ok = false;
1113
1114         bt_control = rtl8xxxu_read32(priv, REG_BT_CONTROL_8723BU);
1115
1116         for (i = 0; i < 3; i++) {
1117                 rtl8723bu_phy_iqcalibrate(priv, result, i);
1118
1119                 if (i == 1) {
1120                         simu = rtl8xxxu_gen2_simularity_compare(priv,
1121                                                                 result, 0, 1);
1122                         if (simu) {
1123                                 candidate = 0;
1124                                 break;
1125                         }
1126                 }
1127
1128                 if (i == 2) {
1129                         simu = rtl8xxxu_gen2_simularity_compare(priv,
1130                                                                 result, 0, 2);
1131                         if (simu) {
1132                                 candidate = 0;
1133                                 break;
1134                         }
1135
1136                         simu = rtl8xxxu_gen2_simularity_compare(priv,
1137                                                                 result, 1, 2);
1138                         if (simu) {
1139                                 candidate = 1;
1140                         } else {
1141                                 for (i = 0; i < 8; i++)
1142                                         reg_tmp += result[3][i];
1143
1144                                 if (reg_tmp)
1145                                         candidate = 3;
1146                                 else
1147                                         candidate = -1;
1148                         }
1149                 }
1150         }
1151
1152         for (i = 0; i < 4; i++) {
1153                 reg_e94 = result[i][0];
1154                 reg_e9c = result[i][1];
1155                 reg_ea4 = result[i][2];
1156                 reg_eac = result[i][3];
1157                 reg_eb4 = result[i][4];
1158                 reg_ebc = result[i][5];
1159                 reg_ec4 = result[i][6];
1160                 reg_ecc = result[i][7];
1161         }
1162
1163         if (candidate >= 0) {
1164                 reg_e94 = result[candidate][0];
1165                 priv->rege94 =  reg_e94;
1166                 reg_e9c = result[candidate][1];
1167                 priv->rege9c = reg_e9c;
1168                 reg_ea4 = result[candidate][2];
1169                 reg_eac = result[candidate][3];
1170                 reg_eb4 = result[candidate][4];
1171                 priv->regeb4 = reg_eb4;
1172                 reg_ebc = result[candidate][5];
1173                 priv->regebc = reg_ebc;
1174                 reg_ec4 = result[candidate][6];
1175                 reg_ecc = result[candidate][7];
1176                 dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
1177                 dev_dbg(dev,
1178                         "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x "
1179                         "ecc=%x\n ", __func__, reg_e94, reg_e9c,
1180                         reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
1181                 path_a_ok = true;
1182                 path_b_ok = true;
1183         } else {
1184                 reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
1185                 reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
1186         }
1187
1188         if (reg_e94 && candidate >= 0)
1189                 rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
1190                                            candidate, (reg_ea4 == 0));
1191
1192         if (priv->tx_paths > 1 && reg_eb4)
1193                 rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result,
1194                                            candidate, (reg_ec4 == 0));
1195
1196         rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
1197                            priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
1198
1199         rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, bt_control);
1200
1201         val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
1202         val32 |= 0x80000;
1203         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
1204         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x18000);
1205         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
1206         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xe6177);
1207         val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED);
1208         val32 |= 0x20;
1209         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32);
1210         rtl8xxxu_write_rfreg(priv, RF_A, 0x43, 0x300bd);
1211
1212         if (priv->rf_paths > 1)
1213                 dev_dbg(dev, "%s: 8723BU 2T not supported\n", __func__);
1214
1215         rtl8xxxu_gen2_prepare_calibrate(priv, 0);
1216 }
1217
1218 static int rtl8723bu_active_to_emu(struct rtl8xxxu_priv *priv)
1219 {
1220         u8 val8;
1221         u16 val16;
1222         u32 val32;
1223         int count, ret = 0;
1224
1225         /* Turn off RF */
1226         rtl8xxxu_write8(priv, REG_RF_CTRL, 0);
1227
1228         /* Enable rising edge triggering interrupt */
1229         val16 = rtl8xxxu_read16(priv, REG_GPIO_INTM);
1230         val16 &= ~GPIO_INTM_EDGE_TRIG_IRQ;
1231         rtl8xxxu_write16(priv, REG_GPIO_INTM, val16);
1232
1233         /* Release WLON reset 0x04[16]= 1*/
1234         val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1235         val32 |= APS_FSMCO_WLON_RESET;
1236         rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1237
1238         /* 0x0005[1] = 1 turn off MAC by HW state machine*/
1239         val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1240         val8 |= BIT(1);
1241         rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1242
1243         for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1244                 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1245                 if ((val8 & BIT(1)) == 0)
1246                         break;
1247                 udelay(10);
1248         }
1249
1250         if (!count) {
1251                 dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n",
1252                          __func__);
1253                 ret = -EBUSY;
1254                 goto exit;
1255         }
1256
1257         /* Enable BT control XTAL setting */
1258         val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
1259         val8 &= ~AFE_MISC_WL_XTAL_CTRL;
1260         rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
1261
1262         /* 0x0000[5] = 1 analog Ips to digital, 1:isolation */
1263         val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
1264         val8 |= SYS_ISO_ANALOG_IPS;
1265         rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
1266
1267         /* 0x0020[0] = 0 disable LDOA12 MACRO block*/
1268         val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
1269         val8 &= ~LDOA15_ENABLE;
1270         rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
1271
1272 exit:
1273         return ret;
1274 }
1275
1276 static int rtl8723b_emu_to_active(struct rtl8xxxu_priv *priv)
1277 {
1278         u8 val8;
1279         u32 val32;
1280         int count, ret = 0;
1281
1282         /* 0x20[0] = 1 enable LDOA12 MACRO block for all interface */
1283         val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
1284         val8 |= LDOA15_ENABLE;
1285         rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
1286
1287         /* 0x67[0] = 0 to disable BT_GPS_SEL pins*/
1288         val8 = rtl8xxxu_read8(priv, 0x0067);
1289         val8 &= ~BIT(4);
1290         rtl8xxxu_write8(priv, 0x0067, val8);
1291
1292         mdelay(1);
1293
1294         /* 0x00[5] = 0 release analog Ips to digital, 1:isolation */
1295         val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
1296         val8 &= ~SYS_ISO_ANALOG_IPS;
1297         rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
1298
1299         /* Disable SW LPS 0x04[10]= 0 */
1300         val32 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
1301         val32 &= ~APS_FSMCO_SW_LPS;
1302         rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1303
1304         /* Wait until 0x04[17] = 1 power ready */
1305         for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1306                 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1307                 if (val32 & BIT(17))
1308                         break;
1309
1310                 udelay(10);
1311         }
1312
1313         if (!count) {
1314                 ret = -EBUSY;
1315                 goto exit;
1316         }
1317
1318         /* We should be able to optimize the following three entries into one */
1319
1320         /* Release WLON reset 0x04[16]= 1*/
1321         val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1322         val32 |= APS_FSMCO_WLON_RESET;
1323         rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1324
1325         /* Disable HWPDN 0x04[15]= 0*/
1326         val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1327         val32 &= ~APS_FSMCO_HW_POWERDOWN;
1328         rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1329
1330         /* Disable WL suspend*/
1331         val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1332         val32 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE);
1333         rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1334
1335         /* Set, then poll until 0 */
1336         val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1337         val32 |= APS_FSMCO_MAC_ENABLE;
1338         rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1339
1340         for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1341                 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1342                 if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
1343                         ret = 0;
1344                         break;
1345                 }
1346                 udelay(10);
1347         }
1348
1349         if (!count) {
1350                 ret = -EBUSY;
1351                 goto exit;
1352         }
1353
1354         /* Enable WL control XTAL setting */
1355         val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
1356         val8 |= AFE_MISC_WL_XTAL_CTRL;
1357         rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
1358
1359         /* Enable falling edge triggering interrupt */
1360         val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 1);
1361         val8 |= BIT(1);
1362         rtl8xxxu_write8(priv, REG_GPIO_INTM + 1, val8);
1363
1364         /* Enable GPIO9 interrupt mode */
1365         val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2 + 1);
1366         val8 |= BIT(1);
1367         rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2 + 1, val8);
1368
1369         /* Enable GPIO9 input mode */
1370         val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2);
1371         val8 &= ~BIT(1);
1372         rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2, val8);
1373
1374         /* Enable HSISR GPIO[C:0] interrupt */
1375         val8 = rtl8xxxu_read8(priv, REG_HSIMR);
1376         val8 |= BIT(0);
1377         rtl8xxxu_write8(priv, REG_HSIMR, val8);
1378
1379         /* Enable HSISR GPIO9 interrupt */
1380         val8 = rtl8xxxu_read8(priv, REG_HSIMR + 2);
1381         val8 |= BIT(1);
1382         rtl8xxxu_write8(priv, REG_HSIMR + 2, val8);
1383
1384         val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL);
1385         val8 |= MULTI_WIFI_HW_ROF_EN;
1386         rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL, val8);
1387
1388         /* For GPIO9 internal pull high setting BIT(14) */
1389         val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL + 1);
1390         val8 |= BIT(6);
1391         rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL + 1, val8);
1392
1393 exit:
1394         return ret;
1395 }
1396
1397 static int rtl8723bu_power_on(struct rtl8xxxu_priv *priv)
1398 {
1399         u8 val8;
1400         u16 val16;
1401         u32 val32;
1402         int ret;
1403
1404         rtl8xxxu_disabled_to_emu(priv);
1405
1406         ret = rtl8723b_emu_to_active(priv);
1407         if (ret)
1408                 goto exit;
1409
1410         /*
1411          * Enable MAC DMA/WMAC/SCHEDULE/SEC block
1412          * Set CR bit10 to enable 32k calibration.
1413          */
1414         val16 = rtl8xxxu_read16(priv, REG_CR);
1415         val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
1416                   CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
1417                   CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
1418                   CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
1419                   CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
1420         rtl8xxxu_write16(priv, REG_CR, val16);
1421
1422         /*
1423          * BT coexist power on settings. This is identical for 1 and 2
1424          * antenna parts.
1425          */
1426         rtl8xxxu_write8(priv, REG_PAD_CTRL1 + 3, 0x20);
1427
1428         val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1429         val16 |= SYS_FUNC_BBRSTB | SYS_FUNC_BB_GLB_RSTN;
1430         rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1431
1432         rtl8xxxu_write8(priv, REG_BT_CONTROL_8723BU + 1, 0x18);
1433         rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
1434         rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
1435         /* Antenna inverse */
1436         rtl8xxxu_write8(priv, 0xfe08, 0x01);
1437
1438         val16 = rtl8xxxu_read16(priv, REG_PWR_DATA);
1439         val16 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1440         rtl8xxxu_write16(priv, REG_PWR_DATA, val16);
1441
1442         val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1443         val32 |= LEDCFG0_DPDT_SELECT;
1444         rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1445
1446         val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1447         val8 &= ~PAD_CTRL1_SW_DPDT_SEL_DATA;
1448         rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1449 exit:
1450         return ret;
1451 }
1452
1453 static void rtl8723bu_power_off(struct rtl8xxxu_priv *priv)
1454 {
1455         u8 val8;
1456         u16 val16;
1457
1458         rtl8xxxu_flush_fifo(priv);
1459
1460         /*
1461          * Disable TX report timer
1462          */
1463         val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
1464         val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
1465         rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
1466
1467         rtl8xxxu_write8(priv, REG_CR, 0x0000);
1468
1469         rtl8xxxu_active_to_lps(priv);
1470
1471         /* Reset Firmware if running in RAM */
1472         if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
1473                 rtl8xxxu_firmware_self_reset(priv);
1474
1475         /* Reset MCU */
1476         val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1477         val16 &= ~SYS_FUNC_CPU_ENABLE;
1478         rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1479
1480         /* Reset MCU ready status */
1481         rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
1482
1483         rtl8723bu_active_to_emu(priv);
1484
1485         val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1486         val8 |= BIT(3); /* APS_FSMCO_HW_SUSPEND */
1487         rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1488
1489         /* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */
1490         val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2);
1491         val8 |= BIT(0);
1492         rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8);
1493 }
1494
1495 static void rtl8723b_enable_rf(struct rtl8xxxu_priv *priv)
1496 {
1497         struct h2c_cmd h2c;
1498         u32 val32;
1499         u8 val8;
1500
1501         /*
1502          * No indication anywhere as to what 0x0790 does. The 2 antenna
1503          * vendor code preserves bits 6-7 here.
1504          */
1505         rtl8xxxu_write8(priv, 0x0790, 0x05);
1506         /*
1507          * 0x0778 seems to be related to enabling the number of antennas
1508          * In the vendor driver halbtc8723b2ant_InitHwConfig() sets it
1509          * to 0x03, while halbtc8723b1ant_InitHwConfig() sets it to 0x01
1510          */
1511         rtl8xxxu_write8(priv, 0x0778, 0x01);
1512
1513         val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
1514         val8 |= BIT(5);
1515         rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
1516
1517         rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_IQADJ_G1, 0x780);
1518
1519         rtl8723bu_write_btreg(priv, 0x3c, 0x15); /* BT TRx Mask on */
1520
1521         /*
1522          * Set BT grant to low
1523          */
1524         memset(&h2c, 0, sizeof(struct h2c_cmd));
1525         h2c.bt_grant.cmd = H2C_8723B_BT_GRANT;
1526         h2c.bt_grant.data = 0;
1527         rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_grant));
1528
1529         /*
1530          * WLAN action by PTA
1531          */
1532         rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
1533
1534         /*
1535          * BT select S0/S1 controlled by WiFi
1536          */
1537         val8 = rtl8xxxu_read8(priv, 0x0067);
1538         val8 |= BIT(5);
1539         rtl8xxxu_write8(priv, 0x0067, val8);
1540
1541         val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
1542         val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1543         rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
1544
1545         /*
1546          * Bits 6/7 are marked in/out ... but for what?
1547          */
1548         rtl8xxxu_write8(priv, 0x0974, 0xff);
1549
1550         val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
1551         val32 |= (BIT(0) | BIT(1));
1552         rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
1553
1554         rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77);
1555
1556         val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1557         val32 &= ~BIT(24);
1558         val32 |= BIT(23);
1559         rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1560
1561         /*
1562          * Fix external switch Main->S1, Aux->S0
1563          */
1564         val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1565         val8 &= ~BIT(0);
1566         rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1567
1568         memset(&h2c, 0, sizeof(struct h2c_cmd));
1569         h2c.ant_sel_rsv.cmd = H2C_8723B_ANT_SEL_RSV;
1570         h2c.ant_sel_rsv.ant_inverse = 1;
1571         h2c.ant_sel_rsv.int_switch_type = 0;
1572         rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ant_sel_rsv));
1573
1574         /*
1575          * 0x280, 0x00, 0x200, 0x80 - not clear
1576          */
1577         rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
1578
1579         /*
1580          * Software control, antenna at WiFi side
1581          */
1582 #ifdef NEED_PS_TDMA
1583         rtl8723bu_set_ps_tdma(priv, 0x08, 0x00, 0x00, 0x00, 0x00);
1584 #endif
1585
1586         rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555);
1587         rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555);
1588         rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
1589         rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
1590
1591         memset(&h2c, 0, sizeof(struct h2c_cmd));
1592         h2c.bt_info.cmd = H2C_8723B_BT_INFO;
1593         h2c.bt_info.data = BIT(0);
1594         rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_info));
1595
1596         memset(&h2c, 0, sizeof(struct h2c_cmd));
1597         h2c.ignore_wlan.cmd = H2C_8723B_BT_IGNORE_WLANACT;
1598         h2c.ignore_wlan.data = 0;
1599         rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ignore_wlan));
1600 }
1601
1602 static void rtl8723bu_init_aggregation(struct rtl8xxxu_priv *priv)
1603 {
1604         u32 agg_rx;
1605         u8 agg_ctrl;
1606
1607         /*
1608          * For now simply disable RX aggregation
1609          */
1610         agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL);
1611         agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN;
1612
1613         agg_rx = rtl8xxxu_read32(priv, REG_RXDMA_AGG_PG_TH);
1614         agg_rx &= ~RXDMA_USB_AGG_ENABLE;
1615         agg_rx &= ~0xff0f;
1616
1617         rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
1618         rtl8xxxu_write32(priv, REG_RXDMA_AGG_PG_TH, agg_rx);
1619 }
1620
1621 static void rtl8723bu_init_statistics(struct rtl8xxxu_priv *priv)
1622 {
1623         u32 val32;
1624
1625         /* Time duration for NHM unit: 4us, 0x2710=40ms */
1626         rtl8xxxu_write16(priv, REG_NHM_TIMER_8723B + 2, 0x2710);
1627         rtl8xxxu_write16(priv, REG_NHM_TH9_TH10_8723B + 2, 0xffff);
1628         rtl8xxxu_write32(priv, REG_NHM_TH3_TO_TH0_8723B, 0xffffff52);
1629         rtl8xxxu_write32(priv, REG_NHM_TH7_TO_TH4_8723B, 0xffffffff);
1630         /* TH8 */
1631         val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1632         val32 |= 0xff;
1633         rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1634         /* Enable CCK */
1635         val32 = rtl8xxxu_read32(priv, REG_NHM_TH9_TH10_8723B);
1636         val32 |= BIT(8) | BIT(9) | BIT(10);
1637         rtl8xxxu_write32(priv, REG_NHM_TH9_TH10_8723B, val32);
1638         /* Max power amongst all RX antennas */
1639         val32 = rtl8xxxu_read32(priv, REG_OFDM0_FA_RSTC);
1640         val32 |= BIT(7);
1641         rtl8xxxu_write32(priv, REG_OFDM0_FA_RSTC, val32);
1642 }
1643
1644 struct rtl8xxxu_fileops rtl8723bu_fops = {
1645         .parse_efuse = rtl8723bu_parse_efuse,
1646         .load_firmware = rtl8723bu_load_firmware,
1647         .power_on = rtl8723bu_power_on,
1648         .power_off = rtl8723bu_power_off,
1649         .reset_8051 = rtl8723bu_reset_8051,
1650         .llt_init = rtl8xxxu_auto_llt_table,
1651         .init_phy_bb = rtl8723bu_init_phy_bb,
1652         .init_phy_rf = rtl8723bu_init_phy_rf,
1653         .phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection,
1654         .phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
1655         .config_channel = rtl8xxxu_gen2_config_channel,
1656         .parse_rx_desc = rtl8xxxu_parse_rxdesc24,
1657         .init_aggregation = rtl8723bu_init_aggregation,
1658         .init_statistics = rtl8723bu_init_statistics,
1659         .enable_rf = rtl8723b_enable_rf,
1660         .disable_rf = rtl8xxxu_gen2_disable_rf,
1661         .usb_quirks = rtl8xxxu_gen2_usb_quirks,
1662         .set_tx_power = rtl8723b_set_tx_power,
1663         .update_rate_mask = rtl8xxxu_gen2_update_rate_mask,
1664         .report_connect = rtl8xxxu_gen2_report_connect,
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         .adda_1t_init = 0x01c00014,
1670         .adda_1t_path_on = 0x01c00014,
1671         .adda_2t_path_on_a = 0x01c00014,
1672         .adda_2t_path_on_b = 0x01c00014,
1673         .trxff_boundary = 0x3f7f,
1674         .pbp_rx = PBP_PAGE_SIZE_256,
1675         .pbp_tx = PBP_PAGE_SIZE_256,
1676         .mactable = rtl8723b_mac_init_table,
1677 };