drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * RTL8XXXU mac80211 USB driver - 8188c/8188r/8192c 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
  35 #ifdef CONFIG_RTL8XXXU_UNTESTED
  36 static struct rtl8xxxu_power_base rtl8192c_power_base = {
  37         .reg_0e00 = 0x07090c0c,
  38         .reg_0e04 = 0x01020405,
  39         .reg_0e08 = 0x00000000,
  40         .reg_086c = 0x00000000,
  41
  42         .reg_0e10 = 0x0b0c0c0e,
  43         .reg_0e14 = 0x01030506,
  44         .reg_0e18 = 0x0b0c0d0e,
  45         .reg_0e1c = 0x01030509,
  46
  47         .reg_0830 = 0x07090c0c,
  48         .reg_0834 = 0x01020405,
  49         .reg_0838 = 0x00000000,
  50         .reg_086c_2 = 0x00000000,
  51
  52         .reg_083c = 0x0b0c0d0e,
  53         .reg_0848 = 0x01030509,
  54         .reg_084c = 0x0b0c0d0e,
  55         .reg_0868 = 0x01030509,
  56 };
  57
  58 static struct rtl8xxxu_power_base rtl8188r_power_base = {
  59         .reg_0e00 = 0x06080808,
  60         .reg_0e04 = 0x00040406,
  61         .reg_0e08 = 0x00000000,
  62         .reg_086c = 0x00000000,
  63
  64         .reg_0e10 = 0x04060608,
  65         .reg_0e14 = 0x00020204,
  66         .reg_0e18 = 0x04060608,
  67         .reg_0e1c = 0x00020204,
  68
  69         .reg_0830 = 0x06080808,
  70         .reg_0834 = 0x00040406,
  71         .reg_0838 = 0x00000000,
  72         .reg_086c_2 = 0x00000000,
  73
  74         .reg_083c = 0x04060608,
  75         .reg_0848 = 0x00020204,
  76         .reg_084c = 0x04060608,
  77         .reg_0868 = 0x00020204,
  78 };
  79
  80 static const struct rtl8xxxu_rfregval rtl8192cu_radioa_2t_init_table[] = {
  81         {0x00, 0x00030159}, {0x01, 0x00031284},
  82         {0x02, 0x00098000}, {0x03, 0x00018c63},
  83         {0x04, 0x000210e7}, {0x09, 0x0002044f},
  84         {0x0a, 0x0001adb1}, {0x0b, 0x00054867},
  85         {0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
  86         {0x0e, 0x00039ce7}, {0x0f, 0x00000451},
  87         {0x19, 0x00000000}, {0x1a, 0x00010255},
  88         {0x1b, 0x00060a00}, {0x1c, 0x000fc378},
  89         {0x1d, 0x000a1250}, {0x1e, 0x0004445f},
  90         {0x1f, 0x00080001}, {0x20, 0x0000b614},
  91         {0x21, 0x0006c000}, {0x22, 0x00000000},
  92         {0x23, 0x00001558}, {0x24, 0x00000060},
  93         {0x25, 0x00000483}, {0x26, 0x0004f000},
  94         {0x27, 0x000ec7d9}, {0x28, 0x000577c0},
  95         {0x29, 0x00004783}, {0x2a, 0x00000001},
  96         {0x2b, 0x00021334}, {0x2a, 0x00000000},
  97         {0x2b, 0x00000054}, {0x2a, 0x00000001},
  98         {0x2b, 0x00000808}, {0x2b, 0x00053333},
  99         {0x2c, 0x0000000c}, {0x2a, 0x00000002},
 100         {0x2b, 0x00000808}, {0x2b, 0x0005b333},
 101         {0x2c, 0x0000000d}, {0x2a, 0x00000003},
 102         {0x2b, 0x00000808}, {0x2b, 0x00063333},
 103         {0x2c, 0x0000000d}, {0x2a, 0x00000004},
 104         {0x2b, 0x00000808}, {0x2b, 0x0006b333},
 105         {0x2c, 0x0000000d}, {0x2a, 0x00000005},
 106         {0x2b, 0x00000808}, {0x2b, 0x00073333},
 107         {0x2c, 0x0000000d}, {0x2a, 0x00000006},
 108         {0x2b, 0x00000709}, {0x2b, 0x0005b333},
 109         {0x2c, 0x0000000d}, {0x2a, 0x00000007},
 110         {0x2b, 0x00000709}, {0x2b, 0x00063333},
 111         {0x2c, 0x0000000d}, {0x2a, 0x00000008},
 112         {0x2b, 0x0000060a}, {0x2b, 0x0004b333},
 113         {0x2c, 0x0000000d}, {0x2a, 0x00000009},
 114         {0x2b, 0x0000060a}, {0x2b, 0x00053333},
 115         {0x2c, 0x0000000d}, {0x2a, 0x0000000a},
 116         {0x2b, 0x0000060a}, {0x2b, 0x0005b333},
 117         {0x2c, 0x0000000d}, {0x2a, 0x0000000b},
 118         {0x2b, 0x0000060a}, {0x2b, 0x00063333},
 119         {0x2c, 0x0000000d}, {0x2a, 0x0000000c},
 120         {0x2b, 0x0000060a}, {0x2b, 0x0006b333},
 121         {0x2c, 0x0000000d}, {0x2a, 0x0000000d},
 122         {0x2b, 0x0000060a}, {0x2b, 0x00073333},
 123         {0x2c, 0x0000000d}, {0x2a, 0x0000000e},
 124         {0x2b, 0x0000050b}, {0x2b, 0x00066666},
 125         {0x2c, 0x0000001a}, {0x2a, 0x000e0000},
 126         {0x10, 0x0004000f}, {0x11, 0x000e31fc},
 127         {0x10, 0x0006000f}, {0x11, 0x000ff9f8},
 128         {0x10, 0x0002000f}, {0x11, 0x000203f9},
 129         {0x10, 0x0003000f}, {0x11, 0x000ff500},
 130         {0x10, 0x00000000}, {0x11, 0x00000000},
 131         {0x10, 0x0008000f}, {0x11, 0x0003f100},
 132         {0x10, 0x0009000f}, {0x11, 0x00023100},
 133         {0x12, 0x00032000}, {0x12, 0x00071000},
 134         {0x12, 0x000b0000}, {0x12, 0x000fc000},
 135         {0x13, 0x000287b3}, {0x13, 0x000244b7},
 136         {0x13, 0x000204ab}, {0x13, 0x0001c49f},
 137         {0x13, 0x00018493}, {0x13, 0x0001429b},
 138         {0x13, 0x00010299}, {0x13, 0x0000c29c},
 139         {0x13, 0x000081a0}, {0x13, 0x000040ac},
 140         {0x13, 0x00000020}, {0x14, 0x0001944c},
 141         {0x14, 0x00059444}, {0x14, 0x0009944c},
 142         {0x14, 0x000d9444}, {0x15, 0x0000f424},
 143         {0x15, 0x0004f424}, {0x15, 0x0008f424},
 144         {0x15, 0x000cf424}, {0x16, 0x000e0330},
 145         {0x16, 0x000a0330}, {0x16, 0x00060330},
 146         {0x16, 0x00020330}, {0x00, 0x00010159},
 147         {0x18, 0x0000f401}, {0xfe, 0x00000000},
 148         {0xfe, 0x00000000}, {0x1f, 0x00080003},
 149         {0xfe, 0x00000000}, {0xfe, 0x00000000},
 150         {0x1e, 0x00044457}, {0x1f, 0x00080000},
 151         {0x00, 0x00030159},
 152         {0xff, 0xffffffff}
 153 };
 154
 155 static const struct rtl8xxxu_rfregval rtl8192cu_radiob_2t_init_table[] = {
 156         {0x00, 0x00030159}, {0x01, 0x00031284},
 157         {0x02, 0x00098000}, {0x03, 0x00018c63},
 158         {0x04, 0x000210e7}, {0x09, 0x0002044f},
 159         {0x0a, 0x0001adb1}, {0x0b, 0x00054867},
 160         {0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
 161         {0x0e, 0x00039ce7}, {0x0f, 0x00000451},
 162         {0x12, 0x00032000}, {0x12, 0x00071000},
 163         {0x12, 0x000b0000}, {0x12, 0x000fc000},
 164         {0x13, 0x000287af}, {0x13, 0x000244b7},
 165         {0x13, 0x000204ab}, {0x13, 0x0001c49f},
 166         {0x13, 0x00018493}, {0x13, 0x00014297},
 167         {0x13, 0x00010295}, {0x13, 0x0000c298},
 168         {0x13, 0x0000819c}, {0x13, 0x000040a8},
 169         {0x13, 0x0000001c}, {0x14, 0x0001944c},
 170         {0x14, 0x00059444}, {0x14, 0x0009944c},
 171         {0x14, 0x000d9444}, {0x15, 0x0000f424},
 172         {0x15, 0x0004f424}, {0x15, 0x0008f424},
 173         {0x15, 0x000cf424}, {0x16, 0x000e0330},
 174         {0x16, 0x000a0330}, {0x16, 0x00060330},
 175         {0x16, 0x00020330},
 176         {0xff, 0xffffffff}
 177 };
 178
 179 static const struct rtl8xxxu_rfregval rtl8192cu_radioa_1t_init_table[] = {
 180         {0x00, 0x00030159}, {0x01, 0x00031284},
 181         {0x02, 0x00098000}, {0x03, 0x00018c63},
 182         {0x04, 0x000210e7}, {0x09, 0x0002044f},
 183         {0x0a, 0x0001adb1}, {0x0b, 0x00054867},
 184         {0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
 185         {0x0e, 0x00039ce7}, {0x0f, 0x00000451},
 186         {0x19, 0x00000000}, {0x1a, 0x00010255},
 187         {0x1b, 0x00060a00}, {0x1c, 0x000fc378},
 188         {0x1d, 0x000a1250}, {0x1e, 0x0004445f},
 189         {0x1f, 0x00080001}, {0x20, 0x0000b614},
 190         {0x21, 0x0006c000}, {0x22, 0x00000000},
 191         {0x23, 0x00001558}, {0x24, 0x00000060},
 192         {0x25, 0x00000483}, {0x26, 0x0004f000},
 193         {0x27, 0x000ec7d9}, {0x28, 0x000577c0},
 194         {0x29, 0x00004783}, {0x2a, 0x00000001},
 195         {0x2b, 0x00021334}, {0x2a, 0x00000000},
 196         {0x2b, 0x00000054}, {0x2a, 0x00000001},
 197         {0x2b, 0x00000808}, {0x2b, 0x00053333},
 198         {0x2c, 0x0000000c}, {0x2a, 0x00000002},
 199         {0x2b, 0x00000808}, {0x2b, 0x0005b333},
 200         {0x2c, 0x0000000d}, {0x2a, 0x00000003},
 201         {0x2b, 0x00000808}, {0x2b, 0x00063333},
 202         {0x2c, 0x0000000d}, {0x2a, 0x00000004},
 203         {0x2b, 0x00000808}, {0x2b, 0x0006b333},
 204         {0x2c, 0x0000000d}, {0x2a, 0x00000005},
 205         {0x2b, 0x00000808}, {0x2b, 0x00073333},
 206         {0x2c, 0x0000000d}, {0x2a, 0x00000006},
 207         {0x2b, 0x00000709}, {0x2b, 0x0005b333},
 208         {0x2c, 0x0000000d}, {0x2a, 0x00000007},
 209         {0x2b, 0x00000709}, {0x2b, 0x00063333},
 210         {0x2c, 0x0000000d}, {0x2a, 0x00000008},
 211         {0x2b, 0x0000060a}, {0x2b, 0x0004b333},
 212         {0x2c, 0x0000000d}, {0x2a, 0x00000009},
 213         {0x2b, 0x0000060a}, {0x2b, 0x00053333},
 214         {0x2c, 0x0000000d}, {0x2a, 0x0000000a},
 215         {0x2b, 0x0000060a}, {0x2b, 0x0005b333},
 216         {0x2c, 0x0000000d}, {0x2a, 0x0000000b},
 217         {0x2b, 0x0000060a}, {0x2b, 0x00063333},
 218         {0x2c, 0x0000000d}, {0x2a, 0x0000000c},
 219         {0x2b, 0x0000060a}, {0x2b, 0x0006b333},
 220         {0x2c, 0x0000000d}, {0x2a, 0x0000000d},
 221         {0x2b, 0x0000060a}, {0x2b, 0x00073333},
 222         {0x2c, 0x0000000d}, {0x2a, 0x0000000e},
 223         {0x2b, 0x0000050b}, {0x2b, 0x00066666},
 224         {0x2c, 0x0000001a}, {0x2a, 0x000e0000},
 225         {0x10, 0x0004000f}, {0x11, 0x000e31fc},
 226         {0x10, 0x0006000f}, {0x11, 0x000ff9f8},
 227         {0x10, 0x0002000f}, {0x11, 0x000203f9},
 228         {0x10, 0x0003000f}, {0x11, 0x000ff500},
 229         {0x10, 0x00000000}, {0x11, 0x00000000},
 230         {0x10, 0x0008000f}, {0x11, 0x0003f100},
 231         {0x10, 0x0009000f}, {0x11, 0x00023100},
 232         {0x12, 0x00032000}, {0x12, 0x00071000},
 233         {0x12, 0x000b0000}, {0x12, 0x000fc000},
 234         {0x13, 0x000287b3}, {0x13, 0x000244b7},
 235         {0x13, 0x000204ab}, {0x13, 0x0001c49f},
 236         {0x13, 0x00018493}, {0x13, 0x0001429b},
 237         {0x13, 0x00010299}, {0x13, 0x0000c29c},
 238         {0x13, 0x000081a0}, {0x13, 0x000040ac},
 239         {0x13, 0x00000020}, {0x14, 0x0001944c},
 240         {0x14, 0x00059444}, {0x14, 0x0009944c},
 241         {0x14, 0x000d9444}, {0x15, 0x0000f405},
 242         {0x15, 0x0004f405}, {0x15, 0x0008f405},
 243         {0x15, 0x000cf405}, {0x16, 0x000e0330},
 244         {0x16, 0x000a0330}, {0x16, 0x00060330},
 245         {0x16, 0x00020330}, {0x00, 0x00010159},
 246         {0x18, 0x0000f401}, {0xfe, 0x00000000},
 247         {0xfe, 0x00000000}, {0x1f, 0x00080003},
 248         {0xfe, 0x00000000}, {0xfe, 0x00000000},
 249         {0x1e, 0x00044457}, {0x1f, 0x00080000},
 250         {0x00, 0x00030159},
 251         {0xff, 0xffffffff}
 252 };
 253
 254 static const struct rtl8xxxu_rfregval rtl8188ru_radioa_1t_highpa_table[] = {
 255         {0x00, 0x00030159}, {0x01, 0x00031284},
 256         {0x02, 0x00098000}, {0x03, 0x00018c63},
 257         {0x04, 0x000210e7}, {0x09, 0x0002044f},
 258         {0x0a, 0x0001adb0}, {0x0b, 0x00054867},
 259         {0x0c, 0x0008992e}, {0x0d, 0x0000e529},
 260         {0x0e, 0x00039ce7}, {0x0f, 0x00000451},
 261         {0x19, 0x00000000}, {0x1a, 0x00000255},
 262         {0x1b, 0x00060a00}, {0x1c, 0x000fc378},
 263         {0x1d, 0x000a1250}, {0x1e, 0x0004445f},
 264         {0x1f, 0x00080001}, {0x20, 0x0000b614},
 265         {0x21, 0x0006c000}, {0x22, 0x0000083c},
 266         {0x23, 0x00001558}, {0x24, 0x00000060},
 267         {0x25, 0x00000483}, {0x26, 0x0004f000},
 268         {0x27, 0x000ec7d9}, {0x28, 0x000977c0},
 269         {0x29, 0x00004783}, {0x2a, 0x00000001},
 270         {0x2b, 0x00021334}, {0x2a, 0x00000000},
 271         {0x2b, 0x00000054}, {0x2a, 0x00000001},
 272         {0x2b, 0x00000808}, {0x2b, 0x00053333},
 273         {0x2c, 0x0000000c}, {0x2a, 0x00000002},
 274         {0x2b, 0x00000808}, {0x2b, 0x0005b333},
 275         {0x2c, 0x0000000d}, {0x2a, 0x00000003},
 276         {0x2b, 0x00000808}, {0x2b, 0x00063333},
 277         {0x2c, 0x0000000d}, {0x2a, 0x00000004},
 278         {0x2b, 0x00000808}, {0x2b, 0x0006b333},
 279         {0x2c, 0x0000000d}, {0x2a, 0x00000005},
 280         {0x2b, 0x00000808}, {0x2b, 0x00073333},
 281         {0x2c, 0x0000000d}, {0x2a, 0x00000006},
 282         {0x2b, 0x00000709}, {0x2b, 0x0005b333},
 283         {0x2c, 0x0000000d}, {0x2a, 0x00000007},
 284         {0x2b, 0x00000709}, {0x2b, 0x00063333},
 285         {0x2c, 0x0000000d}, {0x2a, 0x00000008},
 286         {0x2b, 0x0000060a}, {0x2b, 0x0004b333},
 287         {0x2c, 0x0000000d}, {0x2a, 0x00000009},
 288         {0x2b, 0x0000060a}, {0x2b, 0x00053333},
 289         {0x2c, 0x0000000d}, {0x2a, 0x0000000a},
 290         {0x2b, 0x0000060a}, {0x2b, 0x0005b333},
 291         {0x2c, 0x0000000d}, {0x2a, 0x0000000b},
 292         {0x2b, 0x0000060a}, {0x2b, 0x00063333},
 293         {0x2c, 0x0000000d}, {0x2a, 0x0000000c},
 294         {0x2b, 0x0000060a}, {0x2b, 0x0006b333},
 295         {0x2c, 0x0000000d}, {0x2a, 0x0000000d},
 296         {0x2b, 0x0000060a}, {0x2b, 0x00073333},
 297         {0x2c, 0x0000000d}, {0x2a, 0x0000000e},
 298         {0x2b, 0x0000050b}, {0x2b, 0x00066666},
 299         {0x2c, 0x0000001a}, {0x2a, 0x000e0000},
 300         {0x10, 0x0004000f}, {0x11, 0x000e31fc},
 301         {0x10, 0x0006000f}, {0x11, 0x000ff9f8},
 302         {0x10, 0x0002000f}, {0x11, 0x000203f9},
 303         {0x10, 0x0003000f}, {0x11, 0x000ff500},
 304         {0x10, 0x00000000}, {0x11, 0x00000000},
 305         {0x10, 0x0008000f}, {0x11, 0x0003f100},
 306         {0x10, 0x0009000f}, {0x11, 0x00023100},
 307         {0x12, 0x000d8000}, {0x12, 0x00090000},
 308         {0x12, 0x00051000}, {0x12, 0x00012000},
 309         {0x13, 0x00028fb4}, {0x13, 0x00024fa8},
 310         {0x13, 0x000207a4}, {0x13, 0x0001c3b0},
 311         {0x13, 0x000183a4}, {0x13, 0x00014398},
 312         {0x13, 0x000101a4}, {0x13, 0x0000c198},
 313         {0x13, 0x000080a4}, {0x13, 0x00004098},
 314         {0x13, 0x00000000}, {0x14, 0x0001944c},
 315         {0x14, 0x00059444}, {0x14, 0x0009944c},
 316         {0x14, 0x000d9444}, {0x15, 0x0000f405},
 317         {0x15, 0x0004f405}, {0x15, 0x0008f405},
 318         {0x15, 0x000cf405}, {0x16, 0x000e0330},
 319         {0x16, 0x000a0330}, {0x16, 0x00060330},
 320         {0x16, 0x00020330}, {0x00, 0x00010159},
 321         {0x18, 0x0000f401}, {0xfe, 0x00000000},
 322         {0xfe, 0x00000000}, {0x1f, 0x00080003},
 323         {0xfe, 0x00000000}, {0xfe, 0x00000000},
 324         {0x1e, 0x00044457}, {0x1f, 0x00080000},
 325         {0x00, 0x00030159},
 326         {0xff, 0xffffffff}
 327 };
 328
 329 static int rtl8192cu_identify_chip(struct rtl8xxxu_priv *priv)
 330 {
 331         struct device *dev = &priv->udev->dev;
 332         u32 val32, bonding, sys_cfg, vendor;
 333         int ret = 0;
 334
 335         sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
 336         priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
 337         if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
 338                 dev_info(dev, "Unsupported test chip\n");
 339                 ret = -ENOTSUPP;
 340                 goto out;
 341         }
 342
 343         if (sys_cfg & SYS_CFG_TYPE_ID) {
 344                 bonding = rtl8xxxu_read32(priv, REG_HPON_FSM);
 345                 bonding &= HPON_FSM_BONDING_MASK;
 346                 if (bonding == HPON_FSM_BONDING_1T2R) {
 347                         strscpy(priv->chip_name, "8191CU", sizeof(priv->chip_name));
 348                         priv->tx_paths = 1;
 349                         priv->usb_interrupts = 1;
 350                         priv->rtl_chip = RTL8191C;
 351                 } else {
 352                         strscpy(priv->chip_name, "8192CU", sizeof(priv->chip_name));
 353                         priv->tx_paths = 2;
 354                         priv->usb_interrupts = 0;
 355                         priv->rtl_chip = RTL8192C;
 356                 }
 357                 priv->rf_paths = 2;
 358                 priv->rx_paths = 2;
 359         } else {
 360                 strscpy(priv->chip_name, "8188CU", sizeof(priv->chip_name));
 361                 priv->rf_paths = 1;
 362                 priv->rx_paths = 1;
 363                 priv->tx_paths = 1;
 364                 priv->rtl_chip = RTL8188C;
 365                 priv->usb_interrupts = 0;
 366         }
 367         priv->has_wifi = 1;
 368
 369         vendor = sys_cfg & SYS_CFG_VENDOR_ID;
 370         rtl8xxxu_identify_vendor_1bit(priv, vendor);
 371
 372         val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
 373         priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);
 374
 375         rtl8xxxu_config_endpoints_sie(priv);
 376
 377         /*
 378          * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX
 379          */
 380         if (!priv->ep_tx_count)
 381                 ret = rtl8xxxu_config_endpoints_no_sie(priv);
 382
 383 out:
 384         return ret;
 385 }
 386
 387 static int rtl8192cu_load_firmware(struct rtl8xxxu_priv *priv)
 388 {
 389         const char *fw_name;
 390         int ret;
 391
 392         if (!priv->vendor_umc)
 393                 fw_name = "/*(DEBLOBBED)*/";
 394         else if (priv->chip_cut || priv->rtl_chip == RTL8192C)
 395                 fw_name = "/*(DEBLOBBED)*/";
 396         else
 397                 fw_name = "/*(DEBLOBBED)*/";
 398
 399         ret = rtl8xxxu_load_firmware(priv, fw_name);
 400
 401         return ret;
 402 }
 403
 404 static int rtl8192cu_parse_efuse(struct rtl8xxxu_priv *priv)
 405 {
 406         struct rtl8192cu_efuse *efuse = &priv->efuse_wifi.efuse8192;
 407
 408         if (efuse->rtl_id != cpu_to_le16(0x8129))
 409                 return -EINVAL;
 410
 411         ether_addr_copy(priv->mac_addr, efuse->mac_addr);
 412
 413         memcpy(priv->cck_tx_power_index_A,
 414                efuse->cck_tx_power_index_A,
 415                sizeof(efuse->cck_tx_power_index_A));
 416         memcpy(priv->cck_tx_power_index_B,
 417                efuse->cck_tx_power_index_B,
 418                sizeof(efuse->cck_tx_power_index_B));
 419
 420         memcpy(priv->ht40_1s_tx_power_index_A,
 421                efuse->ht40_1s_tx_power_index_A,
 422                sizeof(efuse->ht40_1s_tx_power_index_A));
 423         memcpy(priv->ht40_1s_tx_power_index_B,
 424                efuse->ht40_1s_tx_power_index_B,
 425                sizeof(efuse->ht40_1s_tx_power_index_B));
 426         memcpy(priv->ht40_2s_tx_power_index_diff,
 427                efuse->ht40_2s_tx_power_index_diff,
 428                sizeof(efuse->ht40_2s_tx_power_index_diff));
 429
 430         memcpy(priv->ht20_tx_power_index_diff,
 431                efuse->ht20_tx_power_index_diff,
 432                sizeof(efuse->ht20_tx_power_index_diff));
 433         memcpy(priv->ofdm_tx_power_index_diff,
 434                efuse->ofdm_tx_power_index_diff,
 435                sizeof(efuse->ofdm_tx_power_index_diff));
 436
 437         memcpy(priv->ht40_max_power_offset,
 438                efuse->ht40_max_power_offset,
 439                sizeof(efuse->ht40_max_power_offset));
 440         memcpy(priv->ht20_max_power_offset,
 441                efuse->ht20_max_power_offset,
 442                sizeof(efuse->ht20_max_power_offset));
 443
 444         priv->power_base = &rtl8192c_power_base;
 445
 446         if (efuse->rf_regulatory & 0x20) {
 447                 strscpy(priv->chip_name, "8188RU", sizeof(priv->chip_name));
 448                 priv->rtl_chip = RTL8188R;
 449                 priv->hi_pa = 1;
 450                 priv->no_pape = 1;
 451                 priv->power_base = &rtl8188r_power_base;
 452         }
 453
 454         return 0;
 455 }
 456
 457 static int rtl8192cu_init_phy_rf(struct rtl8xxxu_priv *priv)
 458 {
 459         const struct rtl8xxxu_rfregval *rftable;
 460         int ret;
 461
 462         if (priv->rtl_chip == RTL8188R) {
 463                 rftable = rtl8188ru_radioa_1t_highpa_table;
 464                 ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
 465         } else if (priv->rf_paths == 1) {
 466                 rftable = rtl8192cu_radioa_1t_init_table;
 467                 ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
 468         } else {
 469                 rftable = rtl8192cu_radioa_2t_init_table;
 470                 ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
 471                 if (ret)
 472                         goto exit;
 473                 rftable = rtl8192cu_radiob_2t_init_table;
 474                 ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_B);
 475         }
 476
 477 exit:
 478         return ret;
 479 }
 480
 481 static int rtl8192cu_power_on(struct rtl8xxxu_priv *priv)
 482 {
 483         u8 val8;
 484         u16 val16;
 485         u32 val32;
 486         int i;
 487
 488         for (i = 100; i; i--) {
 489                 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
 490                 if (val8 & APS_FSMCO_PFM_ALDN)
 491                         break;
 492         }
 493
 494         if (!i) {
 495                 pr_info("%s: Poll failed\n", __func__);
 496                 return -ENODEV;
 497         }
 498
 499         /*
 500          * RSV_CTRL 0x001C[7:0] = 0x00, unlock ISO/CLK/Power control register
 501          */
 502         rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0);
 503         rtl8xxxu_write8(priv, REG_SPS0_CTRL, 0x2b);
 504         udelay(100);
 505
 506         val8 = rtl8xxxu_read8(priv, REG_LDOV12D_CTRL);
 507         if (!(val8 & LDOV12D_ENABLE)) {
 508                 pr_info("%s: Enabling LDOV12D (%02x)\n", __func__, val8);
 509                 val8 |= LDOV12D_ENABLE;
 510                 rtl8xxxu_write8(priv, REG_LDOV12D_CTRL, val8);
 511
 512                 udelay(100);
 513
 514                 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
 515                 val8 &= ~SYS_ISO_MD2PP;
 516                 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
 517         }
 518
 519         /*
 520          * Auto enable WLAN
 521          */
 522         val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
 523         val16 |= APS_FSMCO_MAC_ENABLE;
 524         rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
 525
 526         for (i = 1000; i; i--) {
 527                 val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
 528                 if (!(val16 & APS_FSMCO_MAC_ENABLE))
 529                         break;
 530         }
 531         if (!i) {
 532                 pr_info("%s: FSMCO_MAC_ENABLE poll failed\n", __func__);
 533                 return -EBUSY;
 534         }
 535
 536         /*
 537          * Enable radio, GPIO, LED
 538          */
 539         val16 = APS_FSMCO_HW_SUSPEND | APS_FSMCO_ENABLE_POWERDOWN |
 540                 APS_FSMCO_PFM_ALDN;
 541         rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
 542
 543         /*
 544          * Release RF digital isolation
 545          */
 546         val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL);
 547         val16 &= ~SYS_ISO_DIOR;
 548         rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val16);
 549
 550         val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
 551         val8 &= ~APSD_CTRL_OFF;
 552         rtl8xxxu_write8(priv, REG_APSD_CTRL, val8);
 553         for (i = 200; i; i--) {
 554                 val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
 555                 if (!(val8 & APSD_CTRL_OFF_STATUS))
 556                         break;
 557         }
 558
 559         if (!i) {
 560                 pr_info("%s: APSD_CTRL poll failed\n", __func__);
 561                 return -EBUSY;
 562         }
 563
 564         /*
 565          * Enable MAC DMA/WMAC/SCHEDULE/SEC block
 566          */
 567         val16 = rtl8xxxu_read16(priv, REG_CR);
 568         val16 |= CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
 569                 CR_TXDMA_ENABLE | CR_RXDMA_ENABLE | CR_PROTOCOL_ENABLE |
 570                 CR_SCHEDULE_ENABLE | CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE;
 571         rtl8xxxu_write16(priv, REG_CR, val16);
 572
 573         rtl8xxxu_write8(priv, 0xfe10, 0x19);
 574
 575         /*
 576          * Workaround for 8188RU LNA power leakage problem.
 577          */
 578         if (priv->rtl_chip == RTL8188R) {
 579                 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XCD_RF_PARM);
 580                 val32 &= ~BIT(1);
 581                 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_PARM, val32);
 582         }
 583         return 0;
 584 }
 585
 586 struct rtl8xxxu_fileops rtl8192cu_fops = {
 587         .identify_chip = rtl8192cu_identify_chip,
 588         .parse_efuse = rtl8192cu_parse_efuse,
 589         .load_firmware = rtl8192cu_load_firmware,
 590         .power_on = rtl8192cu_power_on,
 591         .power_off = rtl8xxxu_power_off,
 592         .read_efuse = rtl8xxxu_read_efuse,
 593         .reset_8051 = rtl8xxxu_reset_8051,
 594         .llt_init = rtl8xxxu_init_llt_table,
 595         .init_phy_bb = rtl8xxxu_gen1_init_phy_bb,
 596         .init_phy_rf = rtl8192cu_init_phy_rf,
 597         .phy_lc_calibrate = rtl8723a_phy_lc_calibrate,
 598         .phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate,
 599         .config_channel = rtl8xxxu_gen1_config_channel,
 600         .parse_rx_desc = rtl8xxxu_parse_rxdesc16,
 601         .parse_phystats = rtl8723au_rx_parse_phystats,
 602         .init_aggregation = rtl8xxxu_gen1_init_aggregation,
 603         .enable_rf = rtl8xxxu_gen1_enable_rf,
 604         .disable_rf = rtl8xxxu_gen1_disable_rf,
 605         .usb_quirks = rtl8xxxu_gen1_usb_quirks,
 606         .set_tx_power = rtl8xxxu_gen1_set_tx_power,
 607         .update_rate_mask = rtl8xxxu_update_rate_mask,
 608         .report_connect = rtl8xxxu_gen1_report_connect,
 609         .report_rssi = rtl8xxxu_gen1_report_rssi,
 610         .fill_txdesc = rtl8xxxu_fill_txdesc_v1,
 611         .cck_rssi = rtl8723a_cck_rssi,
 612         .writeN_block_size = 128,
 613         .rx_agg_buf_size = 16000,
 614         .tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
 615         .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
 616         .adda_1t_init = 0x0b1b25a0,
 617         .adda_1t_path_on = 0x0bdb25a0,
 618         .adda_2t_path_on_a = 0x04db25a4,
 619         .adda_2t_path_on_b = 0x0b1b25a4,
 620         .trxff_boundary = 0x27ff,
 621         .pbp_rx = PBP_PAGE_SIZE_128,
 622         .pbp_tx = PBP_PAGE_SIZE_128,
 623         .mactable = rtl8xxxu_gen1_mac_init_table,
 624         .total_page_num = TX_TOTAL_PAGE_NUM,
 625         .page_num_hi = TX_PAGE_NUM_HI_PQ,
 626         .page_num_lo = TX_PAGE_NUM_LO_PQ,
 627         .page_num_norm = TX_PAGE_NUM_NORM_PQ,
 628 };
 629 #endif