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 36static 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 58static 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 80static 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 155static 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 179static 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 254static 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 329static int rtl8192cu_load_firmware(struct rtl8xxxu_priv *priv) 330{ 331 char *fw_name; 332 int ret; 333 334 if (!priv->vendor_umc) 335 fw_name = "rtlwifi/rtl8192cufw_TMSC.bin"; 336 else if (priv->chip_cut || priv->rtl_chip == RTL8192C) 337 fw_name = "rtlwifi/rtl8192cufw_B.bin"; 338 else 339 fw_name = "rtlwifi/rtl8192cufw_A.bin"; 340 341 ret = rtl8xxxu_load_firmware(priv, fw_name); 342 343 return ret; 344} 345 346static int rtl8192cu_parse_efuse(struct rtl8xxxu_priv *priv) 347{ 348 struct rtl8192cu_efuse *efuse = &priv->efuse_wifi.efuse8192; 349 int i; 350 351 if (efuse->rtl_id != cpu_to_le16(0x8129)) 352 return -EINVAL; 353 354 ether_addr_copy(priv->mac_addr, efuse->mac_addr); 355 356 memcpy(priv->cck_tx_power_index_A, 357 efuse->cck_tx_power_index_A, 358 sizeof(efuse->cck_tx_power_index_A)); 359 memcpy(priv->cck_tx_power_index_B, 360 efuse->cck_tx_power_index_B, 361 sizeof(efuse->cck_tx_power_index_B)); 362 363 memcpy(priv->ht40_1s_tx_power_index_A, 364 efuse->ht40_1s_tx_power_index_A, 365 sizeof(efuse->ht40_1s_tx_power_index_A)); 366 memcpy(priv->ht40_1s_tx_power_index_B, 367 efuse->ht40_1s_tx_power_index_B, 368 sizeof(efuse->ht40_1s_tx_power_index_B)); 369 memcpy(priv->ht40_2s_tx_power_index_diff, 370 efuse->ht40_2s_tx_power_index_diff, 371 sizeof(efuse->ht40_2s_tx_power_index_diff)); 372 373 memcpy(priv->ht20_tx_power_index_diff, 374 efuse->ht20_tx_power_index_diff, 375 sizeof(efuse->ht20_tx_power_index_diff)); 376 memcpy(priv->ofdm_tx_power_index_diff, 377 efuse->ofdm_tx_power_index_diff, 378 sizeof(efuse->ofdm_tx_power_index_diff)); 379 380 memcpy(priv->ht40_max_power_offset, 381 efuse->ht40_max_power_offset, 382 sizeof(efuse->ht40_max_power_offset)); 383 memcpy(priv->ht20_max_power_offset, 384 efuse->ht20_max_power_offset, 385 sizeof(efuse->ht20_max_power_offset)); 386 387 dev_info(&priv->udev->dev, "Vendor: %.7s\n", 388 efuse->vendor_name); 389 dev_info(&priv->udev->dev, "Product: %.20s\n", 390 efuse->device_name); 391 392 priv->power_base = &rtl8192c_power_base; 393 394 if (efuse->rf_regulatory & 0x20) { 395 sprintf(priv->chip_name, "8188RU"); 396 priv->rtl_chip = RTL8188R; 397 priv->hi_pa = 1; 398 priv->no_pape = 1; 399 priv->power_base = &rtl8188r_power_base; 400 } 401 402 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) { 403 unsigned char *raw = priv->efuse_wifi.raw; 404 405 dev_info(&priv->udev->dev, 406 "%s: dumping efuse (0x%02zx bytes):\n", 407 __func__, sizeof(struct rtl8192cu_efuse)); 408 for (i = 0; i < sizeof(struct rtl8192cu_efuse); i += 8) 409 dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]); 410 } 411 return 0; 412} 413 414static int rtl8192cu_init_phy_rf(struct rtl8xxxu_priv *priv) 415{ 416 struct rtl8xxxu_rfregval *rftable; 417 int ret; 418 419 if (priv->rtl_chip == RTL8188R) { 420 rftable = rtl8188ru_radioa_1t_highpa_table; 421 ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A); 422 } else if (priv->rf_paths == 1) { 423 rftable = rtl8192cu_radioa_1t_init_table; 424 ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A); 425 } else { 426 rftable = rtl8192cu_radioa_2t_init_table; 427 ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A); 428 if (ret) 429 goto exit; 430 rftable = rtl8192cu_radiob_2t_init_table; 431 ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_B); 432 } 433 434exit: 435 return ret; 436} 437 438static int rtl8192cu_power_on(struct rtl8xxxu_priv *priv) 439{ 440 u8 val8; 441 u16 val16; 442 u32 val32; 443 int i; 444 445 for (i = 100; i; i--) { 446 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO); 447 if (val8 & APS_FSMCO_PFM_ALDN) 448 break; 449 } 450 451 if (!i) { 452 pr_info("%s: Poll failed\n", __func__); 453 return -ENODEV; 454 } 455 456 /* 457 * RSV_CTRL 0x001C[7:0] = 0x00, unlock ISO/CLK/Power control register 458 */ 459 rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0); 460 rtl8xxxu_write8(priv, REG_SPS0_CTRL, 0x2b); 461 udelay(100); 462 463 val8 = rtl8xxxu_read8(priv, REG_LDOV12D_CTRL); 464 if (!(val8 & LDOV12D_ENABLE)) { 465 pr_info("%s: Enabling LDOV12D (%02x)\n", __func__, val8); 466 val8 |= LDOV12D_ENABLE; 467 rtl8xxxu_write8(priv, REG_LDOV12D_CTRL, val8); 468 469 udelay(100); 470 471 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL); 472 val8 &= ~SYS_ISO_MD2PP; 473 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8); 474 } 475 476 /* 477 * Auto enable WLAN 478 */ 479 val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO); 480 val16 |= APS_FSMCO_MAC_ENABLE; 481 rtl8xxxu_write16(priv, REG_APS_FSMCO, val16); 482 483 for (i = 1000; i; i--) { 484 val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO); 485 if (!(val16 & APS_FSMCO_MAC_ENABLE)) 486 break; 487 } 488 if (!i) { 489 pr_info("%s: FSMCO_MAC_ENABLE poll failed\n", __func__); 490 return -EBUSY; 491 } 492 493 /* 494 * Enable radio, GPIO, LED 495 */ 496 val16 = APS_FSMCO_HW_SUSPEND | APS_FSMCO_ENABLE_POWERDOWN | 497 APS_FSMCO_PFM_ALDN; 498 rtl8xxxu_write16(priv, REG_APS_FSMCO, val16); 499 500 /* 501 * Release RF digital isolation 502 */ 503 val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL); 504 val16 &= ~SYS_ISO_DIOR; 505 rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val16); 506 507 val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL); 508 val8 &= ~APSD_CTRL_OFF; 509 rtl8xxxu_write8(priv, REG_APSD_CTRL, val8); 510 for (i = 200; i; i--) { 511 val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL); 512 if (!(val8 & APSD_CTRL_OFF_STATUS)) 513 break; 514 } 515 516 if (!i) { 517 pr_info("%s: APSD_CTRL poll failed\n", __func__); 518 return -EBUSY; 519 } 520 521 /* 522 * Enable MAC DMA/WMAC/SCHEDULE/SEC block 523 */ 524 val16 = rtl8xxxu_read16(priv, REG_CR); 525 val16 |= CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE | 526 CR_TXDMA_ENABLE | CR_RXDMA_ENABLE | CR_PROTOCOL_ENABLE | 527 CR_SCHEDULE_ENABLE | CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE; 528 rtl8xxxu_write16(priv, REG_CR, val16); 529 530 rtl8xxxu_write8(priv, 0xfe10, 0x19); 531 532 /* 533 * Workaround for 8188RU LNA power leakage problem. 534 */ 535 if (priv->rtl_chip == RTL8188R) { 536 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XCD_RF_PARM); 537 val32 &= ~BIT(1); 538 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_PARM, val32); 539 } 540 return 0; 541} 542 543struct rtl8xxxu_fileops rtl8192cu_fops = { 544 .parse_efuse = rtl8192cu_parse_efuse, 545 .load_firmware = rtl8192cu_load_firmware, 546 .power_on = rtl8192cu_power_on, 547 .power_off = rtl8xxxu_power_off, 548 .reset_8051 = rtl8xxxu_reset_8051, 549 .llt_init = rtl8xxxu_init_llt_table, 550 .init_phy_bb = rtl8xxxu_gen1_init_phy_bb, 551 .init_phy_rf = rtl8192cu_init_phy_rf, 552 .phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate, 553 .config_channel = rtl8xxxu_gen1_config_channel, 554 .parse_rx_desc = rtl8xxxu_parse_rxdesc16, 555 .init_aggregation = rtl8xxxu_gen1_init_aggregation, 556 .enable_rf = rtl8xxxu_gen1_enable_rf, 557 .disable_rf = rtl8xxxu_gen1_disable_rf, 558 .usb_quirks = rtl8xxxu_gen1_usb_quirks, 559 .set_tx_power = rtl8xxxu_gen1_set_tx_power, 560 .update_rate_mask = rtl8xxxu_update_rate_mask, 561 .report_connect = rtl8xxxu_gen1_report_connect, 562 .fill_txdesc = rtl8xxxu_fill_txdesc_v1, 563 .writeN_block_size = 128, 564 .rx_agg_buf_size = 16000, 565 .tx_desc_size = sizeof(struct rtl8xxxu_txdesc32), 566 .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16), 567 .adda_1t_init = 0x0b1b25a0, 568 .adda_1t_path_on = 0x0bdb25a0, 569 .adda_2t_path_on_a = 0x04db25a4, 570 .adda_2t_path_on_b = 0x0b1b25a4, 571 .trxff_boundary = 0x27ff, 572 .pbp_rx = PBP_PAGE_SIZE_128, 573 .pbp_tx = PBP_PAGE_SIZE_128, 574 .mactable = rtl8xxxu_gen1_mac_init_table, 575 .total_page_num = TX_TOTAL_PAGE_NUM, 576 .page_num_hi = TX_PAGE_NUM_HI_PQ, 577 .page_num_lo = TX_PAGE_NUM_LO_PQ, 578 .page_num_norm = TX_PAGE_NUM_NORM_PQ, 579}; 580#endif 581