1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * RTL8XXXU mac80211 USB driver - 8192e 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 static const struct rtl8xxxu_reg8val rtl8192e_mac_init_table[] = { 36 {0x011, 0xeb}, {0x012, 0x07}, {0x014, 0x75}, {0x303, 0xa7}, 37 {0x428, 0x0a}, {0x429, 0x10}, {0x430, 0x00}, {0x431, 0x00}, 38 {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05}, 39 {0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05}, 40 {0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01}, 41 {0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00}, 42 {0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f}, 43 {0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00}, 44 {0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f}, 45 {0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66}, 46 {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff}, {0x4cd, 0xff}, 47 {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2}, {0x502, 0x2f}, 48 {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3}, {0x506, 0x5e}, 49 {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4}, {0x50a, 0x5e}, 50 {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4}, {0x50e, 0x00}, 51 {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a}, {0x516, 0x0a}, 52 {0x525, 0x4f}, {0x540, 0x12}, {0x541, 0x64}, {0x550, 0x10}, 53 {0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50}, {0x55d, 0xff}, 54 {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a}, {0x620, 0xff}, 55 {0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff}, {0x624, 0xff}, 56 {0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff}, {0x638, 0x50}, 57 {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e}, {0x63f, 0x0e}, 58 {0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00}, {0x652, 0xc8}, 59 {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43}, {0x702, 0x65}, 60 {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43}, {0x70a, 0x65}, 61 {0x70b, 0x87}, 62 {0xffff, 0xff}, 63 }; 64 65 static const struct rtl8xxxu_reg32val rtl8192eu_phy_init_table[] = { 66 {0x800, 0x80040000}, {0x804, 0x00000003}, 67 {0x808, 0x0000fc00}, {0x80c, 0x0000000a}, 68 {0x810, 0x10001331}, {0x814, 0x020c3d10}, 69 {0x818, 0x02220385}, {0x81c, 0x00000000}, 70 {0x820, 0x01000100}, {0x824, 0x00390204}, 71 {0x828, 0x01000100}, {0x82c, 0x00390204}, 72 {0x830, 0x32323232}, {0x834, 0x30303030}, 73 {0x838, 0x30303030}, {0x83c, 0x30303030}, 74 {0x840, 0x00010000}, {0x844, 0x00010000}, 75 {0x848, 0x28282828}, {0x84c, 0x28282828}, 76 {0x850, 0x00000000}, {0x854, 0x00000000}, 77 {0x858, 0x009a009a}, {0x85c, 0x01000014}, 78 {0x860, 0x66f60000}, {0x864, 0x061f0000}, 79 {0x868, 0x30303030}, {0x86c, 0x30303030}, 80 {0x870, 0x00000000}, {0x874, 0x55004200}, 81 {0x878, 0x08080808}, {0x87c, 0x00000000}, 82 {0x880, 0xb0000c1c}, {0x884, 0x00000001}, 83 {0x888, 0x00000000}, {0x88c, 0xcc0000c0}, 84 {0x890, 0x00000800}, {0x894, 0xfffffffe}, 85 {0x898, 0x40302010}, {0x900, 0x00000000}, 86 {0x904, 0x00000023}, {0x908, 0x00000000}, 87 {0x90c, 0x81121313}, {0x910, 0x806c0001}, 88 {0x914, 0x00000001}, {0x918, 0x00000000}, 89 {0x91c, 0x00010000}, {0x924, 0x00000001}, 90 {0x928, 0x00000000}, {0x92c, 0x00000000}, 91 {0x930, 0x00000000}, {0x934, 0x00000000}, 92 {0x938, 0x00000000}, {0x93c, 0x00000000}, 93 {0x940, 0x00000000}, {0x944, 0x00000000}, 94 {0x94c, 0x00000008}, {0xa00, 0x00d0c7c8}, 95 {0xa04, 0x81ff000c}, {0xa08, 0x8c838300}, 96 {0xa0c, 0x2e68120f}, {0xa10, 0x95009b78}, 97 {0xa14, 0x1114d028}, {0xa18, 0x00881117}, 98 {0xa1c, 0x89140f00}, {0xa20, 0x1a1b0000}, 99 {0xa24, 0x090e1317}, {0xa28, 0x00000204}, 100 {0xa2c, 0x00d30000}, {0xa70, 0x101fff00}, 101 {0xa74, 0x00000007}, {0xa78, 0x00000900}, 102 {0xa7c, 0x225b0606}, {0xa80, 0x218075b1}, 103 {0xb38, 0x00000000}, {0xc00, 0x48071d40}, 104 {0xc04, 0x03a05633}, {0xc08, 0x000000e4}, 105 {0xc0c, 0x6c6c6c6c}, {0xc10, 0x08800000}, 106 {0xc14, 0x40000100}, {0xc18, 0x08800000}, 107 {0xc1c, 0x40000100}, {0xc20, 0x00000000}, 108 {0xc24, 0x00000000}, {0xc28, 0x00000000}, 109 {0xc2c, 0x00000000}, {0xc30, 0x69e9ac47}, 110 {0xc34, 0x469652af}, {0xc38, 0x49795994}, 111 {0xc3c, 0x0a97971c}, {0xc40, 0x1f7c403f}, 112 {0xc44, 0x000100b7}, {0xc48, 0xec020107}, 113 {0xc4c, 0x007f037f}, 114 #ifdef EXT_PA_8192EU 115 /* External PA or external LNA */ 116 {0xc50, 0x00340220}, 117 #else 118 {0xc50, 0x00340020}, 119 #endif 120 {0xc54, 0x0080801f}, 121 #ifdef EXT_PA_8192EU 122 /* External PA or external LNA */ 123 {0xc58, 0x00000220}, 124 #else 125 {0xc58, 0x00000020}, 126 #endif 127 {0xc5c, 0x00248492}, {0xc60, 0x00000000}, 128 {0xc64, 0x7112848b}, {0xc68, 0x47c00bff}, 129 {0xc6c, 0x00000036}, {0xc70, 0x00000600}, 130 {0xc74, 0x02013169}, {0xc78, 0x0000001f}, 131 {0xc7c, 0x00b91612}, 132 #ifdef EXT_PA_8192EU 133 /* External PA or external LNA */ 134 {0xc80, 0x2d4000b5}, 135 #else 136 {0xc80, 0x40000100}, 137 #endif 138 {0xc84, 0x21f60000}, 139 #ifdef EXT_PA_8192EU 140 /* External PA or external LNA */ 141 {0xc88, 0x2d4000b5}, 142 #else 143 {0xc88, 0x40000100}, 144 #endif 145 {0xc8c, 0xa0e40000}, {0xc90, 0x00121820}, 146 {0xc94, 0x00000000}, {0xc98, 0x00121820}, 147 {0xc9c, 0x00007f7f}, {0xca0, 0x00000000}, 148 {0xca4, 0x000300a0}, {0xca8, 0x00000000}, 149 {0xcac, 0x00000000}, {0xcb0, 0x00000000}, 150 {0xcb4, 0x00000000}, {0xcb8, 0x00000000}, 151 {0xcbc, 0x28000000}, {0xcc0, 0x00000000}, 152 {0xcc4, 0x00000000}, {0xcc8, 0x00000000}, 153 {0xccc, 0x00000000}, {0xcd0, 0x00000000}, 154 {0xcd4, 0x00000000}, {0xcd8, 0x64b22427}, 155 {0xcdc, 0x00766932}, {0xce0, 0x00222222}, 156 {0xce4, 0x00040000}, {0xce8, 0x77644302}, 157 {0xcec, 0x2f97d40c}, {0xd00, 0x00080740}, 158 {0xd04, 0x00020403}, {0xd08, 0x0000907f}, 159 {0xd0c, 0x20010201}, {0xd10, 0xa0633333}, 160 {0xd14, 0x3333bc43}, {0xd18, 0x7a8f5b6b}, 161 {0xd1c, 0x0000007f}, {0xd2c, 0xcc979975}, 162 {0xd30, 0x00000000}, {0xd34, 0x80608000}, 163 {0xd38, 0x00000000}, {0xd3c, 0x00127353}, 164 {0xd40, 0x00000000}, {0xd44, 0x00000000}, 165 {0xd48, 0x00000000}, {0xd4c, 0x00000000}, 166 {0xd50, 0x6437140a}, {0xd54, 0x00000000}, 167 {0xd58, 0x00000282}, {0xd5c, 0x30032064}, 168 {0xd60, 0x4653de68}, {0xd64, 0x04518a3c}, 169 {0xd68, 0x00002101}, {0xd6c, 0x2a201c16}, 170 {0xd70, 0x1812362e}, {0xd74, 0x322c2220}, 171 {0xd78, 0x000e3c24}, {0xd80, 0x01081008}, 172 {0xd84, 0x00000800}, {0xd88, 0xf0b50000}, 173 {0xe00, 0x30303030}, {0xe04, 0x30303030}, 174 {0xe08, 0x03903030}, {0xe10, 0x30303030}, 175 {0xe14, 0x30303030}, {0xe18, 0x30303030}, 176 {0xe1c, 0x30303030}, {0xe28, 0x00000000}, 177 {0xe30, 0x1000dc1f}, {0xe34, 0x10008c1f}, 178 {0xe38, 0x02140102}, {0xe3c, 0x681604c2}, 179 {0xe40, 0x01007c00}, {0xe44, 0x01004800}, 180 {0xe48, 0xfb000000}, {0xe4c, 0x000028d1}, 181 {0xe50, 0x1000dc1f}, {0xe54, 0x10008c1f}, 182 {0xe58, 0x02140102}, {0xe5c, 0x28160d05}, 183 {0xe60, 0x00000008}, {0xe68, 0x0fc05656}, 184 {0xe6c, 0x03c09696}, {0xe70, 0x03c09696}, 185 {0xe74, 0x0c005656}, {0xe78, 0x0c005656}, 186 {0xe7c, 0x0c005656}, {0xe80, 0x0c005656}, 187 {0xe84, 0x03c09696}, {0xe88, 0x0c005656}, 188 {0xe8c, 0x03c09696}, {0xed0, 0x03c09696}, 189 {0xed4, 0x03c09696}, {0xed8, 0x03c09696}, 190 {0xedc, 0x0000d6d6}, {0xee0, 0x0000d6d6}, 191 {0xeec, 0x0fc01616}, {0xee4, 0xb0000c1c}, 192 {0xee8, 0x00000001}, {0xf14, 0x00000003}, 193 {0xf4c, 0x00000000}, {0xf00, 0x00000300}, 194 {0xffff, 0xffffffff}, 195 }; 196 197 static const struct rtl8xxxu_reg32val rtl8xxx_agc_8192eu_std_table[] = { 198 {0xc78, 0xfb000001}, {0xc78, 0xfb010001}, 199 {0xc78, 0xfb020001}, {0xc78, 0xfb030001}, 200 {0xc78, 0xfb040001}, {0xc78, 0xfb050001}, 201 {0xc78, 0xfa060001}, {0xc78, 0xf9070001}, 202 {0xc78, 0xf8080001}, {0xc78, 0xf7090001}, 203 {0xc78, 0xf60a0001}, {0xc78, 0xf50b0001}, 204 {0xc78, 0xf40c0001}, {0xc78, 0xf30d0001}, 205 {0xc78, 0xf20e0001}, {0xc78, 0xf10f0001}, 206 {0xc78, 0xf0100001}, {0xc78, 0xef110001}, 207 {0xc78, 0xee120001}, {0xc78, 0xed130001}, 208 {0xc78, 0xec140001}, {0xc78, 0xeb150001}, 209 {0xc78, 0xea160001}, {0xc78, 0xe9170001}, 210 {0xc78, 0xe8180001}, {0xc78, 0xe7190001}, 211 {0xc78, 0xc81a0001}, {0xc78, 0xc71b0001}, 212 {0xc78, 0xc61c0001}, {0xc78, 0x071d0001}, 213 {0xc78, 0x061e0001}, {0xc78, 0x051f0001}, 214 {0xc78, 0x04200001}, {0xc78, 0x03210001}, 215 {0xc78, 0xaa220001}, {0xc78, 0xa9230001}, 216 {0xc78, 0xa8240001}, {0xc78, 0xa7250001}, 217 {0xc78, 0xa6260001}, {0xc78, 0x85270001}, 218 {0xc78, 0x84280001}, {0xc78, 0x83290001}, 219 {0xc78, 0x252a0001}, {0xc78, 0x242b0001}, 220 {0xc78, 0x232c0001}, {0xc78, 0x222d0001}, 221 {0xc78, 0x672e0001}, {0xc78, 0x662f0001}, 222 {0xc78, 0x65300001}, {0xc78, 0x64310001}, 223 {0xc78, 0x63320001}, {0xc78, 0x62330001}, 224 {0xc78, 0x61340001}, {0xc78, 0x45350001}, 225 {0xc78, 0x44360001}, {0xc78, 0x43370001}, 226 {0xc78, 0x42380001}, {0xc78, 0x41390001}, 227 {0xc78, 0x403a0001}, {0xc78, 0x403b0001}, 228 {0xc78, 0x403c0001}, {0xc78, 0x403d0001}, 229 {0xc78, 0x403e0001}, {0xc78, 0x403f0001}, 230 {0xc78, 0xfb400001}, {0xc78, 0xfb410001}, 231 {0xc78, 0xfb420001}, {0xc78, 0xfb430001}, 232 {0xc78, 0xfb440001}, {0xc78, 0xfb450001}, 233 {0xc78, 0xfa460001}, {0xc78, 0xf9470001}, 234 {0xc78, 0xf8480001}, {0xc78, 0xf7490001}, 235 {0xc78, 0xf64a0001}, {0xc78, 0xf54b0001}, 236 {0xc78, 0xf44c0001}, {0xc78, 0xf34d0001}, 237 {0xc78, 0xf24e0001}, {0xc78, 0xf14f0001}, 238 {0xc78, 0xf0500001}, {0xc78, 0xef510001}, 239 {0xc78, 0xee520001}, {0xc78, 0xed530001}, 240 {0xc78, 0xec540001}, {0xc78, 0xeb550001}, 241 {0xc78, 0xea560001}, {0xc78, 0xe9570001}, 242 {0xc78, 0xe8580001}, {0xc78, 0xe7590001}, 243 {0xc78, 0xe65a0001}, {0xc78, 0xe55b0001}, 244 {0xc78, 0xe45c0001}, {0xc78, 0xe35d0001}, 245 {0xc78, 0xe25e0001}, {0xc78, 0xe15f0001}, 246 {0xc78, 0x8a600001}, {0xc78, 0x89610001}, 247 {0xc78, 0x88620001}, {0xc78, 0x87630001}, 248 {0xc78, 0x86640001}, {0xc78, 0x85650001}, 249 {0xc78, 0x84660001}, {0xc78, 0x83670001}, 250 {0xc78, 0x82680001}, {0xc78, 0x6b690001}, 251 {0xc78, 0x6a6a0001}, {0xc78, 0x696b0001}, 252 {0xc78, 0x686c0001}, {0xc78, 0x676d0001}, 253 {0xc78, 0x666e0001}, {0xc78, 0x656f0001}, 254 {0xc78, 0x64700001}, {0xc78, 0x63710001}, 255 {0xc78, 0x62720001}, {0xc78, 0x61730001}, 256 {0xc78, 0x49740001}, {0xc78, 0x48750001}, 257 {0xc78, 0x47760001}, {0xc78, 0x46770001}, 258 {0xc78, 0x45780001}, {0xc78, 0x44790001}, 259 {0xc78, 0x437a0001}, {0xc78, 0x427b0001}, 260 {0xc78, 0x417c0001}, {0xc78, 0x407d0001}, 261 {0xc78, 0x407e0001}, {0xc78, 0x407f0001}, 262 {0xc50, 0x00040022}, {0xc50, 0x00040020}, 263 {0xffff, 0xffffffff} 264 }; 265 266 static const struct rtl8xxxu_reg32val rtl8xxx_agc_8192eu_highpa_table[] = { 267 {0xc78, 0xfa000001}, {0xc78, 0xf9010001}, 268 {0xc78, 0xf8020001}, {0xc78, 0xf7030001}, 269 {0xc78, 0xf6040001}, {0xc78, 0xf5050001}, 270 {0xc78, 0xf4060001}, {0xc78, 0xf3070001}, 271 {0xc78, 0xf2080001}, {0xc78, 0xf1090001}, 272 {0xc78, 0xf00a0001}, {0xc78, 0xef0b0001}, 273 {0xc78, 0xee0c0001}, {0xc78, 0xed0d0001}, 274 {0xc78, 0xec0e0001}, {0xc78, 0xeb0f0001}, 275 {0xc78, 0xea100001}, {0xc78, 0xe9110001}, 276 {0xc78, 0xe8120001}, {0xc78, 0xe7130001}, 277 {0xc78, 0xe6140001}, {0xc78, 0xe5150001}, 278 {0xc78, 0xe4160001}, {0xc78, 0xe3170001}, 279 {0xc78, 0xe2180001}, {0xc78, 0xe1190001}, 280 {0xc78, 0x8a1a0001}, {0xc78, 0x891b0001}, 281 {0xc78, 0x881c0001}, {0xc78, 0x871d0001}, 282 {0xc78, 0x861e0001}, {0xc78, 0x851f0001}, 283 {0xc78, 0x84200001}, {0xc78, 0x83210001}, 284 {0xc78, 0x82220001}, {0xc78, 0x6a230001}, 285 {0xc78, 0x69240001}, {0xc78, 0x68250001}, 286 {0xc78, 0x67260001}, {0xc78, 0x66270001}, 287 {0xc78, 0x65280001}, {0xc78, 0x64290001}, 288 {0xc78, 0x632a0001}, {0xc78, 0x622b0001}, 289 {0xc78, 0x612c0001}, {0xc78, 0x602d0001}, 290 {0xc78, 0x472e0001}, {0xc78, 0x462f0001}, 291 {0xc78, 0x45300001}, {0xc78, 0x44310001}, 292 {0xc78, 0x43320001}, {0xc78, 0x42330001}, 293 {0xc78, 0x41340001}, {0xc78, 0x40350001}, 294 {0xc78, 0x40360001}, {0xc78, 0x40370001}, 295 {0xc78, 0x40380001}, {0xc78, 0x40390001}, 296 {0xc78, 0x403a0001}, {0xc78, 0x403b0001}, 297 {0xc78, 0x403c0001}, {0xc78, 0x403d0001}, 298 {0xc78, 0x403e0001}, {0xc78, 0x403f0001}, 299 {0xc78, 0xfa400001}, {0xc78, 0xf9410001}, 300 {0xc78, 0xf8420001}, {0xc78, 0xf7430001}, 301 {0xc78, 0xf6440001}, {0xc78, 0xf5450001}, 302 {0xc78, 0xf4460001}, {0xc78, 0xf3470001}, 303 {0xc78, 0xf2480001}, {0xc78, 0xf1490001}, 304 {0xc78, 0xf04a0001}, {0xc78, 0xef4b0001}, 305 {0xc78, 0xee4c0001}, {0xc78, 0xed4d0001}, 306 {0xc78, 0xec4e0001}, {0xc78, 0xeb4f0001}, 307 {0xc78, 0xea500001}, {0xc78, 0xe9510001}, 308 {0xc78, 0xe8520001}, {0xc78, 0xe7530001}, 309 {0xc78, 0xe6540001}, {0xc78, 0xe5550001}, 310 {0xc78, 0xe4560001}, {0xc78, 0xe3570001}, 311 {0xc78, 0xe2580001}, {0xc78, 0xe1590001}, 312 {0xc78, 0x8a5a0001}, {0xc78, 0x895b0001}, 313 {0xc78, 0x885c0001}, {0xc78, 0x875d0001}, 314 {0xc78, 0x865e0001}, {0xc78, 0x855f0001}, 315 {0xc78, 0x84600001}, {0xc78, 0x83610001}, 316 {0xc78, 0x82620001}, {0xc78, 0x6a630001}, 317 {0xc78, 0x69640001}, {0xc78, 0x68650001}, 318 {0xc78, 0x67660001}, {0xc78, 0x66670001}, 319 {0xc78, 0x65680001}, {0xc78, 0x64690001}, 320 {0xc78, 0x636a0001}, {0xc78, 0x626b0001}, 321 {0xc78, 0x616c0001}, {0xc78, 0x606d0001}, 322 {0xc78, 0x476e0001}, {0xc78, 0x466f0001}, 323 {0xc78, 0x45700001}, {0xc78, 0x44710001}, 324 {0xc78, 0x43720001}, {0xc78, 0x42730001}, 325 {0xc78, 0x41740001}, {0xc78, 0x40750001}, 326 {0xc78, 0x40760001}, {0xc78, 0x40770001}, 327 {0xc78, 0x40780001}, {0xc78, 0x40790001}, 328 {0xc78, 0x407a0001}, {0xc78, 0x407b0001}, 329 {0xc78, 0x407c0001}, {0xc78, 0x407d0001}, 330 {0xc78, 0x407e0001}, {0xc78, 0x407f0001}, 331 {0xc50, 0x00040222}, {0xc50, 0x00040220}, 332 {0xffff, 0xffffffff} 333 }; 334 335 static const struct rtl8xxxu_rfregval rtl8192eu_radioa_init_table[] = { 336 {0x7f, 0x00000082}, {0x81, 0x0003fc00}, 337 {0x00, 0x00030000}, {0x08, 0x00008400}, 338 {0x18, 0x00000407}, {0x19, 0x00000012}, 339 {0x1b, 0x00000064}, {0x1e, 0x00080009}, 340 {0x1f, 0x00000880}, {0x2f, 0x0001a060}, 341 {0x3f, 0x00000000}, {0x42, 0x000060c0}, 342 {0x57, 0x000d0000}, {0x58, 0x000be180}, 343 {0x67, 0x00001552}, {0x83, 0x00000000}, 344 {0xb0, 0x000ff9f1}, {0xb1, 0x00055418}, 345 {0xb2, 0x0008cc00}, {0xb4, 0x00043083}, 346 {0xb5, 0x00008166}, {0xb6, 0x0000803e}, 347 {0xb7, 0x0001c69f}, {0xb8, 0x0000407f}, 348 {0xb9, 0x00080001}, {0xba, 0x00040001}, 349 {0xbb, 0x00000400}, {0xbf, 0x000c0000}, 350 {0xc2, 0x00002400}, {0xc3, 0x00000009}, 351 {0xc4, 0x00040c91}, {0xc5, 0x00099999}, 352 {0xc6, 0x000000a3}, {0xc7, 0x00088820}, 353 {0xc8, 0x00076c06}, {0xc9, 0x00000000}, 354 {0xca, 0x00080000}, {0xdf, 0x00000180}, 355 {0xef, 0x000001a0}, {0x51, 0x00069545}, 356 {0x52, 0x0007e45e}, {0x53, 0x00000071}, 357 {0x56, 0x00051ff3}, {0x35, 0x000000a8}, 358 {0x35, 0x000001e2}, {0x35, 0x000002a8}, 359 {0x36, 0x00001c24}, {0x36, 0x00009c24}, 360 {0x36, 0x00011c24}, {0x36, 0x00019c24}, 361 {0x18, 0x00000c07}, {0x5a, 0x00048000}, 362 {0x19, 0x000739d0}, 363 #ifdef EXT_PA_8192EU 364 /* External PA or external LNA */ 365 {0x34, 0x0000a093}, {0x34, 0x0000908f}, 366 {0x34, 0x0000808c}, {0x34, 0x0000704d}, 367 {0x34, 0x0000604a}, {0x34, 0x00005047}, 368 {0x34, 0x0000400a}, {0x34, 0x00003007}, 369 {0x34, 0x00002004}, {0x34, 0x00001001}, 370 {0x34, 0x00000000}, 371 #else 372 /* Regular */ 373 {0x34, 0x0000add7}, {0x34, 0x00009dd4}, 374 {0x34, 0x00008dd1}, {0x34, 0x00007dce}, 375 {0x34, 0x00006dcb}, {0x34, 0x00005dc8}, 376 {0x34, 0x00004dc5}, {0x34, 0x000034cc}, 377 {0x34, 0x0000244f}, {0x34, 0x0000144c}, 378 {0x34, 0x00000014}, 379 #endif 380 {0x00, 0x00030159}, 381 {0x84, 0x00068180}, 382 {0x86, 0x0000014e}, 383 {0x87, 0x00048e00}, 384 {0x8e, 0x00065540}, 385 {0x8f, 0x00088000}, 386 {0xef, 0x000020a0}, 387 #ifdef EXT_PA_8192EU 388 /* External PA or external LNA */ 389 {0x3b, 0x000f07b0}, 390 #else 391 {0x3b, 0x000f02b0}, 392 #endif 393 {0x3b, 0x000ef7b0}, {0x3b, 0x000d4fb0}, 394 {0x3b, 0x000cf060}, {0x3b, 0x000b0090}, 395 {0x3b, 0x000a0080}, {0x3b, 0x00090080}, 396 {0x3b, 0x0008f780}, 397 #ifdef EXT_PA_8192EU 398 /* External PA or external LNA */ 399 {0x3b, 0x000787b0}, 400 #else 401 {0x3b, 0x00078730}, 402 #endif 403 {0x3b, 0x00060fb0}, {0x3b, 0x0005ffa0}, 404 {0x3b, 0x00040620}, {0x3b, 0x00037090}, 405 {0x3b, 0x00020080}, {0x3b, 0x0001f060}, 406 {0x3b, 0x0000ffb0}, {0xef, 0x000000a0}, 407 {0xfe, 0x00000000}, {0x18, 0x0000fc07}, 408 {0xfe, 0x00000000}, {0xfe, 0x00000000}, 409 {0xfe, 0x00000000}, {0xfe, 0x00000000}, 410 {0x1e, 0x00000001}, {0x1f, 0x00080000}, 411 {0x00, 0x00033e70}, 412 {0xff, 0xffffffff} 413 }; 414 415 static const struct rtl8xxxu_rfregval rtl8192eu_radiob_init_table[] = { 416 {0x7f, 0x00000082}, {0x81, 0x0003fc00}, 417 {0x00, 0x00030000}, {0x08, 0x00008400}, 418 {0x18, 0x00000407}, {0x19, 0x00000012}, 419 {0x1b, 0x00000064}, {0x1e, 0x00080009}, 420 {0x1f, 0x00000880}, {0x2f, 0x0001a060}, 421 {0x3f, 0x00000000}, {0x42, 0x000060c0}, 422 {0x57, 0x000d0000}, {0x58, 0x000be180}, 423 {0x67, 0x00001552}, {0x7f, 0x00000082}, 424 {0x81, 0x0003f000}, {0x83, 0x00000000}, 425 {0xdf, 0x00000180}, {0xef, 0x000001a0}, 426 {0x51, 0x00069545}, {0x52, 0x0007e42e}, 427 {0x53, 0x00000071}, {0x56, 0x00051ff3}, 428 {0x35, 0x000000a8}, {0x35, 0x000001e0}, 429 {0x35, 0x000002a8}, {0x36, 0x00001ca8}, 430 {0x36, 0x00009c24}, {0x36, 0x00011c24}, 431 {0x36, 0x00019c24}, {0x18, 0x00000c07}, 432 {0x5a, 0x00048000}, {0x19, 0x000739d0}, 433 #ifdef EXT_PA_8192EU 434 /* External PA or external LNA */ 435 {0x34, 0x0000a093}, {0x34, 0x0000908f}, 436 {0x34, 0x0000808c}, {0x34, 0x0000704d}, 437 {0x34, 0x0000604a}, {0x34, 0x00005047}, 438 {0x34, 0x0000400a}, {0x34, 0x00003007}, 439 {0x34, 0x00002004}, {0x34, 0x00001001}, 440 {0x34, 0x00000000}, 441 #else 442 {0x34, 0x0000add7}, {0x34, 0x00009dd4}, 443 {0x34, 0x00008dd1}, {0x34, 0x00007dce}, 444 {0x34, 0x00006dcb}, {0x34, 0x00005dc8}, 445 {0x34, 0x00004dc5}, {0x34, 0x000034cc}, 446 {0x34, 0x0000244f}, {0x34, 0x0000144c}, 447 {0x34, 0x00000014}, 448 #endif 449 {0x00, 0x00030159}, {0x84, 0x00068180}, 450 {0x86, 0x000000ce}, {0x87, 0x00048a00}, 451 {0x8e, 0x00065540}, {0x8f, 0x00088000}, 452 {0xef, 0x000020a0}, 453 #ifdef EXT_PA_8192EU 454 /* External PA or external LNA */ 455 {0x3b, 0x000f07b0}, 456 #else 457 {0x3b, 0x000f02b0}, 458 #endif 459 460 {0x3b, 0x000ef7b0}, {0x3b, 0x000d4fb0}, 461 {0x3b, 0x000cf060}, {0x3b, 0x000b0090}, 462 {0x3b, 0x000a0080}, {0x3b, 0x00090080}, 463 {0x3b, 0x0008f780}, 464 #ifdef EXT_PA_8192EU 465 /* External PA or external LNA */ 466 {0x3b, 0x000787b0}, 467 #else 468 {0x3b, 0x00078730}, 469 #endif 470 {0x3b, 0x00060fb0}, {0x3b, 0x0005ffa0}, 471 {0x3b, 0x00040620}, {0x3b, 0x00037090}, 472 {0x3b, 0x00020080}, {0x3b, 0x0001f060}, 473 {0x3b, 0x0000ffb0}, {0xef, 0x000000a0}, 474 {0x00, 0x00010159}, {0xfe, 0x00000000}, 475 {0xfe, 0x00000000}, {0xfe, 0x00000000}, 476 {0xfe, 0x00000000}, {0x1e, 0x00000001}, 477 {0x1f, 0x00080000}, {0x00, 0x00033e70}, 478 {0xff, 0xffffffff} 479 }; 480 481 static int rtl8192eu_identify_chip(struct rtl8xxxu_priv *priv) 482 { 483 struct device *dev = &priv->udev->dev; 484 u32 val32, bonding, sys_cfg, vendor; 485 int ret = 0; 486 487 sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG); 488 priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK); 489 if (sys_cfg & SYS_CFG_TRP_VAUX_EN) { 490 dev_info(dev, "Unsupported test chip\n"); 491 ret = -ENOTSUPP; 492 goto out; 493 } 494 495 bonding = rtl8xxxu_read32(priv, REG_HPON_FSM); 496 bonding &= HPON_FSM_BONDING_MASK; 497 if (bonding == HPON_FSM_BONDING_1T2R) { 498 strscpy(priv->chip_name, "8191EU", sizeof(priv->chip_name)); 499 priv->tx_paths = 1; 500 priv->rtl_chip = RTL8191E; 501 } else { 502 strscpy(priv->chip_name, "8192EU", sizeof(priv->chip_name)); 503 priv->tx_paths = 2; 504 priv->rtl_chip = RTL8192E; 505 } 506 priv->rf_paths = 2; 507 priv->rx_paths = 2; 508 priv->has_wifi = 1; 509 510 vendor = sys_cfg & SYS_CFG_VENDOR_EXT_MASK; 511 rtl8xxxu_identify_vendor_2bits(priv, vendor); 512 513 val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS); 514 priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID); 515 516 rtl8xxxu_config_endpoints_sie(priv); 517 518 /* 519 * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX 520 */ 521 if (!priv->ep_tx_count) 522 ret = rtl8xxxu_config_endpoints_no_sie(priv); 523 524 out: 525 return ret; 526 } 527 528 static void 529 rtl8192e_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40) 530 { 531 u32 val32, ofdm, mcs; 532 u8 cck, ofdmbase, mcsbase; 533 int group, tx_idx; 534 535 tx_idx = 0; 536 group = rtl8xxxu_gen2_channel_to_group(channel); 537 538 cck = priv->cck_tx_power_index_A[group]; 539 540 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32); 541 val32 &= 0xffff00ff; 542 val32 |= (cck << 8); 543 rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32); 544 545 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); 546 val32 &= 0xff; 547 val32 |= ((cck << 8) | (cck << 16) | (cck << 24)); 548 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); 549 550 ofdmbase = priv->ht40_1s_tx_power_index_A[group]; 551 ofdmbase += priv->ofdm_tx_power_diff[tx_idx].a; 552 ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24; 553 554 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm); 555 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm); 556 557 mcsbase = priv->ht40_1s_tx_power_index_A[group]; 558 if (ht40) 559 mcsbase += priv->ht40_tx_power_diff[tx_idx++].a; 560 else 561 mcsbase += priv->ht20_tx_power_diff[tx_idx++].a; 562 mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24; 563 564 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs); 565 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs); 566 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, mcs); 567 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, mcs); 568 569 if (priv->tx_paths > 1) { 570 cck = priv->cck_tx_power_index_B[group]; 571 572 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK1_55_MCS32); 573 val32 &= 0xff; 574 val32 |= ((cck << 8) | (cck << 16) | (cck << 24)); 575 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK1_55_MCS32, val32); 576 577 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); 578 val32 &= 0xffffff00; 579 val32 |= cck; 580 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); 581 582 ofdmbase = priv->ht40_1s_tx_power_index_B[group]; 583 ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b; 584 ofdm = ofdmbase | ofdmbase << 8 | 585 ofdmbase << 16 | ofdmbase << 24; 586 587 rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE18_06, ofdm); 588 rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE54_24, ofdm); 589 590 mcsbase = priv->ht40_1s_tx_power_index_B[group]; 591 if (ht40) 592 mcsbase += priv->ht40_tx_power_diff[tx_idx++].b; 593 else 594 mcsbase += priv->ht20_tx_power_diff[tx_idx++].b; 595 mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24; 596 597 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS03_MCS00, mcs); 598 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS07_MCS04, mcs); 599 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS11_MCS08, mcs); 600 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12, mcs); 601 } 602 } 603 604 static void rtl8192eu_log_next_device_info(struct rtl8xxxu_priv *priv, 605 char *record_name, 606 char *device_info, 607 unsigned int *record_offset) 608 { 609 char *record = device_info + *record_offset; 610 611 /* A record is [ total length | 0x03 | value ] */ 612 unsigned char l = record[0]; 613 614 /* 615 * The whole device info section seems to be 80 characters, make sure 616 * we don't read further. 617 */ 618 if (*record_offset + l > 80) { 619 dev_warn(&priv->udev->dev, 620 "invalid record length %d while parsing \"%s\" at offset %u.\n", 621 l, record_name, *record_offset); 622 return; 623 } 624 625 if (l >= 2) { 626 char value[80]; 627 628 memcpy(value, &record[2], l - 2); 629 value[l - 2] = '\0'; 630 dev_info(&priv->udev->dev, "%s: %s\n", record_name, value); 631 *record_offset = *record_offset + l; 632 } else { 633 dev_info(&priv->udev->dev, "%s not available.\n", record_name); 634 } 635 } 636 637 static int rtl8192eu_parse_efuse(struct rtl8xxxu_priv *priv) 638 { 639 struct rtl8192eu_efuse *efuse = &priv->efuse_wifi.efuse8192eu; 640 unsigned int record_offset; 641 int i; 642 643 if (efuse->rtl_id != cpu_to_le16(0x8129)) 644 return -EINVAL; 645 646 ether_addr_copy(priv->mac_addr, efuse->mac_addr); 647 648 memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base, 649 sizeof(efuse->tx_power_index_A.cck_base)); 650 memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base, 651 sizeof(efuse->tx_power_index_B.cck_base)); 652 653 memcpy(priv->ht40_1s_tx_power_index_A, 654 efuse->tx_power_index_A.ht40_base, 655 sizeof(efuse->tx_power_index_A.ht40_base)); 656 memcpy(priv->ht40_1s_tx_power_index_B, 657 efuse->tx_power_index_B.ht40_base, 658 sizeof(efuse->tx_power_index_B.ht40_base)); 659 660 priv->ht20_tx_power_diff[0].a = 661 efuse->tx_power_index_A.ht20_ofdm_1s_diff.b; 662 priv->ht20_tx_power_diff[0].b = 663 efuse->tx_power_index_B.ht20_ofdm_1s_diff.b; 664 665 priv->ht40_tx_power_diff[0].a = 0; 666 priv->ht40_tx_power_diff[0].b = 0; 667 668 for (i = 1; i < RTL8723B_TX_COUNT; i++) { 669 priv->ofdm_tx_power_diff[i].a = 670 efuse->tx_power_index_A.pwr_diff[i - 1].ofdm; 671 priv->ofdm_tx_power_diff[i].b = 672 efuse->tx_power_index_B.pwr_diff[i - 1].ofdm; 673 674 priv->ht20_tx_power_diff[i].a = 675 efuse->tx_power_index_A.pwr_diff[i - 1].ht20; 676 priv->ht20_tx_power_diff[i].b = 677 efuse->tx_power_index_B.pwr_diff[i - 1].ht20; 678 679 priv->ht40_tx_power_diff[i].a = 680 efuse->tx_power_index_A.pwr_diff[i - 1].ht40; 681 priv->ht40_tx_power_diff[i].b = 682 efuse->tx_power_index_B.pwr_diff[i - 1].ht40; 683 } 684 685 priv->default_crystal_cap = priv->efuse_wifi.efuse8192eu.xtal_k & 0x3f; 686 687 /* 688 * device_info section seems to be laid out as records 689 * [ total length | 0x03 | value ] so: 690 * - vendor length + 2 691 * - 0x03 692 * - vendor string (not null terminated) 693 * - product length + 2 694 * - 0x03 695 * - product string (not null terminated) 696 * Then there is one or 2 0x00 on all the 4 devices I own or found 697 * dumped online. 698 * As previous version of the code handled an optional serial 699 * string, I now assume there may be a third record if the 700 * length is not 0. 701 */ 702 record_offset = 0; 703 rtl8192eu_log_next_device_info(priv, "Vendor", efuse->device_info, &record_offset); 704 rtl8192eu_log_next_device_info(priv, "Product", efuse->device_info, &record_offset); 705 rtl8192eu_log_next_device_info(priv, "Serial", efuse->device_info, &record_offset); 706 707 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) { 708 unsigned char *raw = priv->efuse_wifi.raw; 709 710 dev_info(&priv->udev->dev, 711 "%s: dumping efuse (0x%02zx bytes):\n", 712 __func__, sizeof(struct rtl8192eu_efuse)); 713 for (i = 0; i < sizeof(struct rtl8192eu_efuse); i += 8) 714 dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]); 715 } 716 return 0; 717 } 718 719 static int rtl8192eu_load_firmware(struct rtl8xxxu_priv *priv) 720 { 721 char *fw_name; 722 int ret; 723 724 fw_name = "rtlwifi/rtl8192eu_nic.bin"; 725 726 ret = rtl8xxxu_load_firmware(priv, fw_name); 727 728 return ret; 729 } 730 731 static void rtl8192eu_init_phy_bb(struct rtl8xxxu_priv *priv) 732 { 733 u8 val8; 734 u16 val16; 735 736 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 737 val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF; 738 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 739 740 /* 6. 0x1f[7:0] = 0x07 */ 741 val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB; 742 rtl8xxxu_write8(priv, REG_RF_CTRL, val8); 743 744 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 745 val16 |= (SYS_FUNC_USBA | SYS_FUNC_USBD | SYS_FUNC_DIO_RF | 746 SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB); 747 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 748 val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB; 749 rtl8xxxu_write8(priv, REG_RF_CTRL, val8); 750 rtl8xxxu_init_phy_regs(priv, rtl8192eu_phy_init_table); 751 752 if (priv->hi_pa) 753 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_highpa_table); 754 else 755 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_std_table); 756 } 757 758 static int rtl8192eu_init_phy_rf(struct rtl8xxxu_priv *priv) 759 { 760 int ret; 761 762 ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radioa_init_table, RF_A); 763 if (ret) 764 goto exit; 765 766 ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radiob_init_table, RF_B); 767 768 exit: 769 return ret; 770 } 771 772 static int rtl8192eu_iqk_path_a(struct rtl8xxxu_priv *priv) 773 { 774 u32 reg_eac, reg_e94, reg_e9c; 775 int result = 0; 776 777 /* 778 * TX IQK 779 * PA/PAD controlled by 0x0 780 */ 781 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 782 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00180); 783 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 784 785 /* Path A IQK setting */ 786 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c); 787 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); 788 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 789 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 790 791 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82140303); 792 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x68160000); 793 794 /* LO calibration setting */ 795 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911); 796 797 /* One shot, path A LOK & IQK */ 798 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); 799 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 800 801 mdelay(10); 802 803 /* Check failed */ 804 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 805 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); 806 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); 807 808 if (!(reg_eac & BIT(28)) && 809 ((reg_e94 & 0x03ff0000) != 0x01420000) && 810 ((reg_e9c & 0x03ff0000) != 0x00420000)) 811 result |= 0x01; 812 813 return result; 814 } 815 816 static int rtl8192eu_rx_iqk_path_a(struct rtl8xxxu_priv *priv) 817 { 818 u32 reg_ea4, reg_eac, reg_e94, reg_e9c, val32; 819 int result = 0; 820 821 /* Leave IQK mode */ 822 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00); 823 824 /* Enable path A PA in TX IQK mode */ 825 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0); 826 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); 827 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f); 828 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf117b); 829 830 /* PA/PAD control by 0x56, and set = 0x0 */ 831 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00980); 832 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x51000); 833 834 /* Enter IQK mode */ 835 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 836 837 /* TX IQK setting */ 838 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 839 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 840 841 /* path-A IQK setting */ 842 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c); 843 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); 844 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 845 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 846 847 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c1f); 848 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x68160c1f); 849 850 /* LO calibration setting */ 851 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911); 852 853 /* One shot, path A LOK & IQK */ 854 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000); 855 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 856 857 mdelay(10); 858 859 /* Check failed */ 860 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 861 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); 862 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); 863 864 if (!(reg_eac & BIT(28)) && 865 ((reg_e94 & 0x03ff0000) != 0x01420000) && 866 ((reg_e9c & 0x03ff0000) != 0x00420000)) { 867 result |= 0x01; 868 } else { 869 /* PA/PAD controlled by 0x0 */ 870 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 871 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180); 872 goto out; 873 } 874 875 val32 = 0x80007c00 | 876 (reg_e94 & 0x03ff0000) | ((reg_e9c >> 16) & 0x03ff); 877 rtl8xxxu_write32(priv, REG_TX_IQK, val32); 878 879 /* Modify RX IQK mode table */ 880 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 881 882 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0); 883 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); 884 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f); 885 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7ffa); 886 887 /* PA/PAD control by 0x56, and set = 0x0 */ 888 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00980); 889 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x51000); 890 891 /* Enter IQK mode */ 892 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 893 894 /* IQK setting */ 895 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 896 897 /* Path A IQK setting */ 898 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c); 899 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c); 900 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 901 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 902 903 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c1f); 904 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160c1f); 905 906 /* LO calibration setting */ 907 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891); 908 909 /* One shot, path A LOK & IQK */ 910 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000); 911 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 912 913 mdelay(10); 914 915 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 916 reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2); 917 918 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 919 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180); 920 921 if (!(reg_eac & BIT(27)) && 922 ((reg_ea4 & 0x03ff0000) != 0x01320000) && 923 ((reg_eac & 0x03ff0000) != 0x00360000)) 924 result |= 0x02; 925 else 926 dev_warn(&priv->udev->dev, "%s: Path A RX IQK failed!\n", 927 __func__); 928 929 out: 930 return result; 931 } 932 933 static int rtl8192eu_iqk_path_b(struct rtl8xxxu_priv *priv) 934 { 935 u32 reg_eac, reg_eb4, reg_ebc; 936 int result = 0; 937 938 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 939 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00180); 940 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 941 942 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 943 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 944 945 /* Path B IQK setting */ 946 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c); 947 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); 948 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c); 949 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 950 951 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x821403e2); 952 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x68160000); 953 954 /* LO calibration setting */ 955 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00492911); 956 957 /* One shot, path A LOK & IQK */ 958 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000); 959 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 960 961 mdelay(1); 962 963 /* Check failed */ 964 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 965 reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 966 reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 967 968 if (!(reg_eac & BIT(31)) && 969 ((reg_eb4 & 0x03ff0000) != 0x01420000) && 970 ((reg_ebc & 0x03ff0000) != 0x00420000)) 971 result |= 0x01; 972 else 973 dev_warn(&priv->udev->dev, "%s: Path B IQK failed!\n", 974 __func__); 975 976 return result; 977 } 978 979 static int rtl8192eu_rx_iqk_path_b(struct rtl8xxxu_priv *priv) 980 { 981 u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc, val32; 982 int result = 0; 983 984 /* Leave IQK mode */ 985 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 986 987 /* Enable path A PA in TX IQK mode */ 988 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0); 989 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000); 990 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f); 991 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf117b); 992 993 /* PA/PAD control by 0x56, and set = 0x0 */ 994 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00980); 995 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_56, 0x51000); 996 997 /* Enter IQK mode */ 998 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 999 1000 /* TX IQK setting */ 1001 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 1002 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 1003 1004 /* path-A IQK setting */ 1005 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c); 1006 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); 1007 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c); 1008 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 1009 1010 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82160c1f); 1011 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x68160c1f); 1012 1013 /* LO calibration setting */ 1014 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911); 1015 1016 /* One shot, path A LOK & IQK */ 1017 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000); 1018 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 1019 1020 mdelay(10); 1021 1022 /* Check failed */ 1023 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 1024 reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 1025 reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 1026 1027 if (!(reg_eac & BIT(31)) && 1028 ((reg_eb4 & 0x03ff0000) != 0x01420000) && 1029 ((reg_ebc & 0x03ff0000) != 0x00420000)) { 1030 result |= 0x01; 1031 } else { 1032 /* 1033 * PA/PAD controlled by 0x0 1034 * Vendor driver restores RF_A here which I believe is a bug 1035 */ 1036 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 1037 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x180); 1038 goto out; 1039 } 1040 1041 val32 = 0x80007c00 | 1042 (reg_eb4 & 0x03ff0000) | ((reg_ebc >> 16) & 0x03ff); 1043 rtl8xxxu_write32(priv, REG_TX_IQK, val32); 1044 1045 /* Modify RX IQK mode table */ 1046 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 1047 1048 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0); 1049 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000); 1050 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f); 1051 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf7ffa); 1052 1053 /* PA/PAD control by 0x56, and set = 0x0 */ 1054 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00980); 1055 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_56, 0x51000); 1056 1057 /* Enter IQK mode */ 1058 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 1059 1060 /* IQK setting */ 1061 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 1062 1063 /* Path A IQK setting */ 1064 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c); 1065 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); 1066 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 1067 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x18008c1c); 1068 1069 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c1f); 1070 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160c1f); 1071 1072 /* LO calibration setting */ 1073 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891); 1074 1075 /* One shot, path A LOK & IQK */ 1076 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000); 1077 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 1078 1079 mdelay(10); 1080 1081 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 1082 reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2); 1083 reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2); 1084 1085 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 1086 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x180); 1087 1088 if (!(reg_eac & BIT(30)) && 1089 ((reg_ec4 & 0x03ff0000) != 0x01320000) && 1090 ((reg_ecc & 0x03ff0000) != 0x00360000)) 1091 result |= 0x02; 1092 else 1093 dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n", 1094 __func__); 1095 1096 out: 1097 return result; 1098 } 1099 1100 static void rtl8192eu_phy_iqcalibrate(struct rtl8xxxu_priv *priv, 1101 int result[][8], int t) 1102 { 1103 struct device *dev = &priv->udev->dev; 1104 u32 i, val32; 1105 int path_a_ok, path_b_ok; 1106 int retry = 2; 1107 static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = { 1108 REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH, 1109 REG_RX_WAIT_CCA, REG_TX_CCK_RFON, 1110 REG_TX_CCK_BBON, REG_TX_OFDM_RFON, 1111 REG_TX_OFDM_BBON, REG_TX_TO_RX, 1112 REG_TX_TO_TX, REG_RX_CCK, 1113 REG_RX_OFDM, REG_RX_WAIT_RIFS, 1114 REG_RX_TO_RX, REG_STANDBY, 1115 REG_SLEEP, REG_PMPD_ANAEN 1116 }; 1117 static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = { 1118 REG_TXPAUSE, REG_BEACON_CTRL, 1119 REG_BEACON_CTRL_1, REG_GPIO_MUXCFG 1120 }; 1121 static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = { 1122 REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR, 1123 REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B, 1124 REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE, 1125 REG_FPGA0_XB_RF_INT_OE, REG_CCK0_AFE_SETTING 1126 }; 1127 u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff; 1128 u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff; 1129 1130 /* 1131 * Note: IQ calibration must be performed after loading 1132 * PHY_REG.txt , and radio_a, radio_b.txt 1133 */ 1134 1135 if (t == 0) { 1136 /* Save ADDA parameters, turn Path A ADDA on */ 1137 rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup, 1138 RTL8XXXU_ADDA_REGS); 1139 rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 1140 rtl8xxxu_save_regs(priv, iqk_bb_regs, 1141 priv->bb_backup, RTL8XXXU_BB_REGS); 1142 } 1143 1144 rtl8xxxu_path_adda_on(priv, adda_regs, true); 1145 1146 /* MAC settings */ 1147 rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup); 1148 1149 val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING); 1150 val32 |= 0x0f000000; 1151 rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32); 1152 1153 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600); 1154 rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4); 1155 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22208200); 1156 1157 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL); 1158 val32 |= (FPGA0_RF_PAPE | (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); 1159 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); 1160 1161 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE); 1162 val32 |= BIT(10); 1163 rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, val32); 1164 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE); 1165 val32 |= BIT(10); 1166 rtl8xxxu_write32(priv, REG_FPGA0_XB_RF_INT_OE, val32); 1167 1168 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 1169 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 1170 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 1171 1172 for (i = 0; i < retry; i++) { 1173 path_a_ok = rtl8192eu_iqk_path_a(priv); 1174 if (path_a_ok == 0x01) { 1175 val32 = rtl8xxxu_read32(priv, 1176 REG_TX_POWER_BEFORE_IQK_A); 1177 result[t][0] = (val32 >> 16) & 0x3ff; 1178 val32 = rtl8xxxu_read32(priv, 1179 REG_TX_POWER_AFTER_IQK_A); 1180 result[t][1] = (val32 >> 16) & 0x3ff; 1181 1182 break; 1183 } 1184 } 1185 1186 if (!path_a_ok) 1187 dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__); 1188 1189 for (i = 0; i < retry; i++) { 1190 path_a_ok = rtl8192eu_rx_iqk_path_a(priv); 1191 if (path_a_ok == 0x03) { 1192 val32 = rtl8xxxu_read32(priv, 1193 REG_RX_POWER_BEFORE_IQK_A_2); 1194 result[t][2] = (val32 >> 16) & 0x3ff; 1195 val32 = rtl8xxxu_read32(priv, 1196 REG_RX_POWER_AFTER_IQK_A_2); 1197 result[t][3] = (val32 >> 16) & 0x3ff; 1198 1199 break; 1200 } 1201 } 1202 1203 if (!path_a_ok) 1204 dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__); 1205 1206 if (priv->rf_paths > 1) { 1207 /* Path A into standby */ 1208 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 1209 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000); 1210 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 1211 1212 /* Turn Path B ADDA on */ 1213 rtl8xxxu_path_adda_on(priv, adda_regs, false); 1214 1215 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 1216 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 1217 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 1218 1219 for (i = 0; i < retry; i++) { 1220 path_b_ok = rtl8192eu_iqk_path_b(priv); 1221 if (path_b_ok == 0x01) { 1222 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 1223 result[t][4] = (val32 >> 16) & 0x3ff; 1224 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 1225 result[t][5] = (val32 >> 16) & 0x3ff; 1226 break; 1227 } 1228 } 1229 1230 if (!path_b_ok) 1231 dev_dbg(dev, "%s: Path B IQK failed!\n", __func__); 1232 1233 for (i = 0; i < retry; i++) { 1234 path_b_ok = rtl8192eu_rx_iqk_path_b(priv); 1235 if (path_b_ok == 0x03) { 1236 val32 = rtl8xxxu_read32(priv, 1237 REG_RX_POWER_BEFORE_IQK_B_2); 1238 result[t][6] = (val32 >> 16) & 0x3ff; 1239 val32 = rtl8xxxu_read32(priv, 1240 REG_RX_POWER_AFTER_IQK_B_2); 1241 result[t][7] = (val32 >> 16) & 0x3ff; 1242 break; 1243 } 1244 } 1245 1246 if (!path_b_ok) 1247 dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__); 1248 } 1249 1250 /* Back to BB mode, load original value */ 1251 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000); 1252 1253 if (t) { 1254 /* Reload ADDA power saving parameters */ 1255 rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup, 1256 RTL8XXXU_ADDA_REGS); 1257 1258 /* Reload MAC parameters */ 1259 rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 1260 1261 /* Reload BB parameters */ 1262 rtl8xxxu_restore_regs(priv, iqk_bb_regs, 1263 priv->bb_backup, RTL8XXXU_BB_REGS); 1264 1265 /* Restore RX initial gain */ 1266 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1); 1267 val32 &= 0xffffff00; 1268 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50); 1269 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc); 1270 1271 if (priv->rf_paths > 1) { 1272 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1); 1273 val32 &= 0xffffff00; 1274 rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1, 1275 val32 | 0x50); 1276 rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1, 1277 val32 | xb_agc); 1278 } 1279 1280 /* Load 0xe30 IQC default value */ 1281 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00); 1282 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00); 1283 } 1284 } 1285 1286 static void rtl8192eu_phy_iq_calibrate(struct rtl8xxxu_priv *priv) 1287 { 1288 struct device *dev = &priv->udev->dev; 1289 int result[4][8]; /* last is final result */ 1290 int i, candidate; 1291 bool path_a_ok, path_b_ok; 1292 u32 reg_e94, reg_e9c, reg_ea4, reg_eac; 1293 u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc; 1294 bool simu; 1295 1296 memset(result, 0, sizeof(result)); 1297 candidate = -1; 1298 1299 path_a_ok = false; 1300 path_b_ok = false; 1301 1302 for (i = 0; i < 3; i++) { 1303 rtl8192eu_phy_iqcalibrate(priv, result, i); 1304 1305 if (i == 1) { 1306 simu = rtl8xxxu_gen2_simularity_compare(priv, 1307 result, 0, 1); 1308 if (simu) { 1309 candidate = 0; 1310 break; 1311 } 1312 } 1313 1314 if (i == 2) { 1315 simu = rtl8xxxu_gen2_simularity_compare(priv, 1316 result, 0, 2); 1317 if (simu) { 1318 candidate = 0; 1319 break; 1320 } 1321 1322 simu = rtl8xxxu_gen2_simularity_compare(priv, 1323 result, 1, 2); 1324 if (simu) 1325 candidate = 1; 1326 else 1327 candidate = 3; 1328 } 1329 } 1330 1331 for (i = 0; i < 4; i++) { 1332 reg_e94 = result[i][0]; 1333 reg_e9c = result[i][1]; 1334 reg_ea4 = result[i][2]; 1335 reg_eb4 = result[i][4]; 1336 reg_ebc = result[i][5]; 1337 reg_ec4 = result[i][6]; 1338 } 1339 1340 if (candidate >= 0) { 1341 reg_e94 = result[candidate][0]; 1342 priv->rege94 = reg_e94; 1343 reg_e9c = result[candidate][1]; 1344 priv->rege9c = reg_e9c; 1345 reg_ea4 = result[candidate][2]; 1346 reg_eac = result[candidate][3]; 1347 reg_eb4 = result[candidate][4]; 1348 priv->regeb4 = reg_eb4; 1349 reg_ebc = result[candidate][5]; 1350 priv->regebc = reg_ebc; 1351 reg_ec4 = result[candidate][6]; 1352 reg_ecc = result[candidate][7]; 1353 dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate); 1354 dev_dbg(dev, 1355 "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n", 1356 __func__, reg_e94, reg_e9c, 1357 reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc); 1358 path_a_ok = true; 1359 path_b_ok = true; 1360 } else { 1361 reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100; 1362 reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0; 1363 } 1364 1365 if (reg_e94 && candidate >= 0) 1366 rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result, 1367 candidate, (reg_ea4 == 0)); 1368 1369 if (priv->rf_paths > 1) 1370 rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result, 1371 candidate, (reg_ec4 == 0)); 1372 1373 rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg, 1374 priv->bb_recovery_backup, RTL8XXXU_BB_REGS); 1375 } 1376 1377 /* 1378 * This is needed for 8723bu as well, presumable 1379 */ 1380 static void rtl8192e_crystal_afe_adjust(struct rtl8xxxu_priv *priv) 1381 { 1382 u8 val8; 1383 u32 val32; 1384 1385 /* 1386 * 40Mhz crystal source, MAC 0x28[2]=0 1387 */ 1388 val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL); 1389 val8 &= 0xfb; 1390 rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8); 1391 1392 val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4); 1393 val32 &= 0xfffffc7f; 1394 rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32); 1395 1396 /* 1397 * 92e AFE parameter 1398 * AFE PLL KVCO selection, MAC 0x28[6]=1 1399 */ 1400 val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL); 1401 val8 &= 0xbf; 1402 rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8); 1403 1404 /* 1405 * AFE PLL KVCO selection, MAC 0x78[21]=0 1406 */ 1407 val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4); 1408 val32 &= 0xffdfffff; 1409 rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32); 1410 } 1411 1412 static void rtl8192e_disabled_to_emu(struct rtl8xxxu_priv *priv) 1413 { 1414 u8 val8; 1415 1416 /* Clear suspend enable and power down enable*/ 1417 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1418 val8 &= ~(BIT(3) | BIT(4)); 1419 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1420 } 1421 1422 static int rtl8192e_emu_to_active(struct rtl8xxxu_priv *priv) 1423 { 1424 u8 val8; 1425 u32 val32; 1426 int count, ret = 0; 1427 1428 /* disable HWPDN 0x04[15]=0*/ 1429 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1430 val8 &= ~BIT(7); 1431 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1432 1433 /* disable SW LPS 0x04[10]= 0 */ 1434 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1435 val8 &= ~BIT(2); 1436 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1437 1438 /* disable WL suspend*/ 1439 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1440 val8 &= ~(BIT(3) | BIT(4)); 1441 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1442 1443 /* wait till 0x04[17] = 1 power ready*/ 1444 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 1445 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1446 if (val32 & BIT(17)) 1447 break; 1448 1449 udelay(10); 1450 } 1451 1452 if (!count) { 1453 ret = -EBUSY; 1454 goto exit; 1455 } 1456 1457 /* We should be able to optimize the following three entries into one */ 1458 1459 /* release WLON reset 0x04[16]= 1*/ 1460 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2); 1461 val8 |= BIT(0); 1462 rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8); 1463 1464 /* set, then poll until 0 */ 1465 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1466 val32 |= APS_FSMCO_MAC_ENABLE; 1467 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1468 1469 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 1470 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1471 if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) { 1472 ret = 0; 1473 break; 1474 } 1475 udelay(10); 1476 } 1477 1478 if (!count) { 1479 ret = -EBUSY; 1480 goto exit; 1481 } 1482 1483 exit: 1484 return ret; 1485 } 1486 1487 static int rtl8192eu_active_to_lps(struct rtl8xxxu_priv *priv) 1488 { 1489 struct device *dev = &priv->udev->dev; 1490 u8 val8; 1491 u16 val16; 1492 u32 val32; 1493 int retry, retval; 1494 1495 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 1496 1497 retry = 100; 1498 retval = -EBUSY; 1499 /* 1500 * Poll 32 bit wide 0x05f8 for 0x00000000 to ensure no TX is pending. 1501 */ 1502 do { 1503 val32 = rtl8xxxu_read32(priv, REG_SCH_TX_CMD); 1504 if (!val32) { 1505 retval = 0; 1506 break; 1507 } 1508 } while (retry--); 1509 1510 if (!retry) { 1511 dev_warn(dev, "Failed to flush TX queue\n"); 1512 retval = -EBUSY; 1513 goto out; 1514 } 1515 1516 /* Disable CCK and OFDM, clock gated */ 1517 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); 1518 val8 &= ~SYS_FUNC_BBRSTB; 1519 rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); 1520 1521 udelay(2); 1522 1523 /* Reset whole BB */ 1524 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); 1525 val8 &= ~SYS_FUNC_BB_GLB_RSTN; 1526 rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); 1527 1528 /* Reset MAC TRX */ 1529 val16 = rtl8xxxu_read16(priv, REG_CR); 1530 val16 &= 0xff00; 1531 val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE); 1532 rtl8xxxu_write16(priv, REG_CR, val16); 1533 1534 val16 = rtl8xxxu_read16(priv, REG_CR); 1535 val16 &= ~CR_SECURITY_ENABLE; 1536 rtl8xxxu_write16(priv, REG_CR, val16); 1537 1538 val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST); 1539 val8 |= DUAL_TSF_TX_OK; 1540 rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8); 1541 1542 out: 1543 return retval; 1544 } 1545 1546 static int rtl8192eu_active_to_emu(struct rtl8xxxu_priv *priv) 1547 { 1548 u8 val8; 1549 int count, ret = 0; 1550 1551 /* Turn off RF */ 1552 val8 = rtl8xxxu_read8(priv, REG_RF_CTRL); 1553 val8 &= ~RF_ENABLE; 1554 rtl8xxxu_write8(priv, REG_RF_CTRL, val8); 1555 1556 /* Switch DPDT_SEL_P output from register 0x65[2] */ 1557 val8 = rtl8xxxu_read8(priv, REG_LEDCFG2); 1558 val8 &= ~LEDCFG2_DPDT_SELECT; 1559 rtl8xxxu_write8(priv, REG_LEDCFG2, val8); 1560 1561 /* 0x0005[1] = 1 turn off MAC by HW state machine*/ 1562 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1563 val8 |= BIT(1); 1564 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1565 1566 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 1567 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1568 if ((val8 & BIT(1)) == 0) 1569 break; 1570 udelay(10); 1571 } 1572 1573 if (!count) { 1574 dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n", 1575 __func__); 1576 ret = -EBUSY; 1577 goto exit; 1578 } 1579 1580 exit: 1581 return ret; 1582 } 1583 1584 static int rtl8192eu_emu_to_disabled(struct rtl8xxxu_priv *priv) 1585 { 1586 u8 val8; 1587 1588 /* 0x04[12:11] = 01 enable WL suspend */ 1589 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1590 val8 &= ~(BIT(3) | BIT(4)); 1591 val8 |= BIT(3); 1592 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1593 1594 return 0; 1595 } 1596 1597 static int rtl8192eu_power_on(struct rtl8xxxu_priv *priv) 1598 { 1599 u16 val16; 1600 u32 val32; 1601 int ret; 1602 1603 val32 = rtl8xxxu_read32(priv, REG_SYS_CFG); 1604 if (val32 & SYS_CFG_SPS_LDO_SEL) { 1605 rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0xc3); 1606 } else { 1607 /* 1608 * Raise 1.2V voltage 1609 */ 1610 val32 = rtl8xxxu_read32(priv, REG_8192E_LDOV12_CTRL); 1611 val32 &= 0xff0fffff; 1612 val32 |= 0x00500000; 1613 rtl8xxxu_write32(priv, REG_8192E_LDOV12_CTRL, val32); 1614 rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0x83); 1615 } 1616 1617 /* 1618 * Adjust AFE before enabling PLL 1619 */ 1620 rtl8192e_crystal_afe_adjust(priv); 1621 rtl8192e_disabled_to_emu(priv); 1622 1623 ret = rtl8192e_emu_to_active(priv); 1624 if (ret) 1625 goto exit; 1626 1627 rtl8xxxu_write16(priv, REG_CR, 0x0000); 1628 1629 /* 1630 * Enable MAC DMA/WMAC/SCHEDULE/SEC block 1631 * Set CR bit10 to enable 32k calibration. 1632 */ 1633 val16 = rtl8xxxu_read16(priv, REG_CR); 1634 val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE | 1635 CR_TXDMA_ENABLE | CR_RXDMA_ENABLE | 1636 CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE | 1637 CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE | 1638 CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE); 1639 rtl8xxxu_write16(priv, REG_CR, val16); 1640 1641 exit: 1642 return ret; 1643 } 1644 1645 static void rtl8192eu_power_off(struct rtl8xxxu_priv *priv) 1646 { 1647 u8 val8; 1648 u16 val16; 1649 1650 rtl8xxxu_flush_fifo(priv); 1651 1652 val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL); 1653 val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE; 1654 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); 1655 1656 /* Turn off RF */ 1657 rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00); 1658 1659 rtl8192eu_active_to_lps(priv); 1660 1661 /* Reset Firmware if running in RAM */ 1662 if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL) 1663 rtl8xxxu_firmware_self_reset(priv); 1664 1665 /* Reset MCU */ 1666 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 1667 val16 &= ~SYS_FUNC_CPU_ENABLE; 1668 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 1669 1670 /* Reset MCU ready status */ 1671 rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); 1672 1673 rtl8xxxu_reset_8051(priv); 1674 1675 rtl8192eu_active_to_emu(priv); 1676 rtl8192eu_emu_to_disabled(priv); 1677 } 1678 1679 static void rtl8192e_enable_rf(struct rtl8xxxu_priv *priv) 1680 { 1681 u32 val32; 1682 u8 val8; 1683 1684 val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA); 1685 val32 |= (BIT(22) | BIT(23)); 1686 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32); 1687 1688 val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG); 1689 val8 |= BIT(5); 1690 rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8); 1691 1692 /* 1693 * WLAN action by PTA 1694 */ 1695 rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04); 1696 1697 val32 = rtl8xxxu_read32(priv, REG_PWR_DATA); 1698 val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN; 1699 rtl8xxxu_write32(priv, REG_PWR_DATA, val32); 1700 1701 val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER); 1702 val32 |= (BIT(0) | BIT(1)); 1703 rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32); 1704 1705 rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77); 1706 1707 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); 1708 val32 &= ~BIT(24); 1709 val32 |= BIT(23); 1710 rtl8xxxu_write32(priv, REG_LEDCFG0, val32); 1711 1712 /* 1713 * Fix external switch Main->S1, Aux->S0 1714 */ 1715 val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1); 1716 val8 &= ~BIT(0); 1717 rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8); 1718 } 1719 1720 static s8 rtl8192e_cck_rssi(struct rtl8xxxu_priv *priv, u8 cck_agc_rpt) 1721 { 1722 static const s8 lna_gain_table_0[8] = {15, 9, -10, -21, -23, -27, -43, -44}; 1723 static const s8 lna_gain_table_1[8] = {24, 18, 13, -4, -11, -18, -31, -36}; 1724 1725 s8 rx_pwr_all = 0x00; 1726 u8 vga_idx, lna_idx; 1727 s8 lna_gain = 0; 1728 1729 lna_idx = (cck_agc_rpt & 0xE0) >> 5; 1730 vga_idx = cck_agc_rpt & 0x1F; 1731 1732 if (priv->cck_agc_report_type == 0) 1733 lna_gain = lna_gain_table_0[lna_idx]; 1734 else 1735 lna_gain = lna_gain_table_1[lna_idx]; 1736 1737 rx_pwr_all = lna_gain - (2 * vga_idx); 1738 1739 return rx_pwr_all; 1740 } 1741 1742 struct rtl8xxxu_fileops rtl8192eu_fops = { 1743 .identify_chip = rtl8192eu_identify_chip, 1744 .parse_efuse = rtl8192eu_parse_efuse, 1745 .load_firmware = rtl8192eu_load_firmware, 1746 .power_on = rtl8192eu_power_on, 1747 .power_off = rtl8192eu_power_off, 1748 .reset_8051 = rtl8xxxu_reset_8051, 1749 .llt_init = rtl8xxxu_auto_llt_table, 1750 .init_phy_bb = rtl8192eu_init_phy_bb, 1751 .init_phy_rf = rtl8192eu_init_phy_rf, 1752 .phy_lc_calibrate = rtl8723a_phy_lc_calibrate, 1753 .phy_iq_calibrate = rtl8192eu_phy_iq_calibrate, 1754 .config_channel = rtl8xxxu_gen2_config_channel, 1755 .parse_rx_desc = rtl8xxxu_parse_rxdesc24, 1756 .enable_rf = rtl8192e_enable_rf, 1757 .disable_rf = rtl8xxxu_gen2_disable_rf, 1758 .usb_quirks = rtl8xxxu_gen2_usb_quirks, 1759 .set_tx_power = rtl8192e_set_tx_power, 1760 .update_rate_mask = rtl8xxxu_gen2_update_rate_mask, 1761 .report_connect = rtl8xxxu_gen2_report_connect, 1762 .fill_txdesc = rtl8xxxu_fill_txdesc_v2, 1763 .set_crystal_cap = rtl8723a_set_crystal_cap, 1764 .cck_rssi = rtl8192e_cck_rssi, 1765 .writeN_block_size = 128, 1766 .tx_desc_size = sizeof(struct rtl8xxxu_txdesc40), 1767 .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24), 1768 .has_s0s1 = 0, 1769 .gen2_thermal_meter = 1, 1770 .adda_1t_init = 0x0fc01616, 1771 .adda_1t_path_on = 0x0fc01616, 1772 .adda_2t_path_on_a = 0x0fc01616, 1773 .adda_2t_path_on_b = 0x0fc01616, 1774 .trxff_boundary = 0x3cff, 1775 .mactable = rtl8192e_mac_init_table, 1776 .total_page_num = TX_TOTAL_PAGE_NUM_8192E, 1777 .page_num_hi = TX_PAGE_NUM_HI_PQ_8192E, 1778 .page_num_lo = TX_PAGE_NUM_LO_PQ_8192E, 1779 .page_num_norm = TX_PAGE_NUM_NORM_PQ_8192E, 1780 }; 1781