1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * RTL8XXXU mac80211 USB driver - 8723b specific subdriver 4 * 5 * Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com> 6 * 7 * Portions, notably calibration code: 8 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. 9 * 10 * This driver was written as a replacement for the vendor provided 11 * rtl8723au driver. As the Realtek 8xxx chips are very similar in 12 * their programming interface, I have started adding support for 13 * additional 8xxx chips like the 8192cu, 8188cus, etc. 14 */ 15 16 #include <linux/init.h> 17 #include <linux/kernel.h> 18 #include <linux/sched.h> 19 #include <linux/errno.h> 20 #include <linux/slab.h> 21 #include <linux/module.h> 22 #include <linux/spinlock.h> 23 #include <linux/list.h> 24 #include <linux/usb.h> 25 #include <linux/netdevice.h> 26 #include <linux/etherdevice.h> 27 #include <linux/ethtool.h> 28 #include <linux/wireless.h> 29 #include <linux/firmware.h> 30 #include <linux/moduleparam.h> 31 #include <net/mac80211.h> 32 #include "rtl8xxxu.h" 33 #include "rtl8xxxu_regs.h" 34 35 static struct rtl8xxxu_reg8val rtl8723b_mac_init_table[] = { 36 {0x02f, 0x30}, {0x035, 0x00}, {0x039, 0x08}, {0x04e, 0xe0}, 37 {0x064, 0x00}, {0x067, 0x20}, {0x428, 0x0a}, {0x429, 0x10}, 38 {0x430, 0x00}, {0x431, 0x00}, 39 {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05}, 40 {0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05}, 41 {0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01}, 42 {0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00}, 43 {0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f}, 44 {0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00}, 45 {0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f}, 46 {0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66}, 47 {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff}, 48 {0x4cd, 0xff}, {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2}, 49 {0x502, 0x2f}, {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3}, 50 {0x506, 0x5e}, {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4}, 51 {0x50a, 0x5e}, {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4}, 52 {0x50e, 0x00}, {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a}, 53 {0x516, 0x0a}, {0x525, 0x4f}, 54 {0x550, 0x10}, {0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50}, 55 {0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a}, 56 {0x620, 0xff}, {0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff}, 57 {0x624, 0xff}, {0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff}, 58 {0x638, 0x50}, {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e}, 59 {0x63f, 0x0e}, {0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00}, 60 {0x652, 0xc8}, {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43}, 61 {0x702, 0x65}, {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43}, 62 {0x70a, 0x65}, {0x70b, 0x87}, {0x765, 0x18}, {0x76e, 0x04}, 63 {0xffff, 0xff}, 64 }; 65 66 static struct rtl8xxxu_reg32val rtl8723b_phy_1t_init_table[] = { 67 {0x800, 0x80040000}, {0x804, 0x00000003}, 68 {0x808, 0x0000fc00}, {0x80c, 0x0000000a}, 69 {0x810, 0x10001331}, {0x814, 0x020c3d10}, 70 {0x818, 0x02200385}, {0x81c, 0x00000000}, 71 {0x820, 0x01000100}, {0x824, 0x00190204}, 72 {0x828, 0x00000000}, {0x82c, 0x00000000}, 73 {0x830, 0x00000000}, {0x834, 0x00000000}, 74 {0x838, 0x00000000}, {0x83c, 0x00000000}, 75 {0x840, 0x00010000}, {0x844, 0x00000000}, 76 {0x848, 0x00000000}, {0x84c, 0x00000000}, 77 {0x850, 0x00000000}, {0x854, 0x00000000}, 78 {0x858, 0x569a11a9}, {0x85c, 0x01000014}, 79 {0x860, 0x66f60110}, {0x864, 0x061f0649}, 80 {0x868, 0x00000000}, {0x86c, 0x27272700}, 81 {0x870, 0x07000760}, {0x874, 0x25004000}, 82 {0x878, 0x00000808}, {0x87c, 0x00000000}, 83 {0x880, 0xb0000c1c}, {0x884, 0x00000001}, 84 {0x888, 0x00000000}, {0x88c, 0xccc000c0}, 85 {0x890, 0x00000800}, {0x894, 0xfffffffe}, 86 {0x898, 0x40302010}, {0x89c, 0x00706050}, 87 {0x900, 0x00000000}, {0x904, 0x00000023}, 88 {0x908, 0x00000000}, {0x90c, 0x81121111}, 89 {0x910, 0x00000002}, {0x914, 0x00000201}, 90 {0xa00, 0x00d047c8}, {0xa04, 0x80ff800c}, 91 {0xa08, 0x8c838300}, {0xa0c, 0x2e7f120f}, 92 {0xa10, 0x9500bb78}, {0xa14, 0x1114d028}, 93 {0xa18, 0x00881117}, {0xa1c, 0x89140f00}, 94 {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317}, 95 {0xa28, 0x00000204}, {0xa2c, 0x00d30000}, 96 {0xa70, 0x101fbf00}, {0xa74, 0x00000007}, 97 {0xa78, 0x00000900}, {0xa7c, 0x225b0606}, 98 {0xa80, 0x21806490}, {0xb2c, 0x00000000}, 99 {0xc00, 0x48071d40}, {0xc04, 0x03a05611}, 100 {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c}, 101 {0xc10, 0x08800000}, {0xc14, 0x40000100}, 102 {0xc18, 0x08800000}, {0xc1c, 0x40000100}, 103 {0xc20, 0x00000000}, {0xc24, 0x00000000}, 104 {0xc28, 0x00000000}, {0xc2c, 0x00000000}, 105 {0xc30, 0x69e9ac44}, {0xc34, 0x469652af}, 106 {0xc38, 0x49795994}, {0xc3c, 0x0a97971c}, 107 {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7}, 108 {0xc48, 0xec020107}, {0xc4c, 0x007f037f}, 109 {0xc50, 0x69553420}, {0xc54, 0x43bc0094}, 110 {0xc58, 0x00013149}, {0xc5c, 0x00250492}, 111 {0xc60, 0x00000000}, {0xc64, 0x7112848b}, 112 {0xc68, 0x47c00bff}, {0xc6c, 0x00000036}, 113 {0xc70, 0x2c7f000d}, {0xc74, 0x020610db}, 114 {0xc78, 0x0000001f}, {0xc7c, 0x00b91612}, 115 {0xc80, 0x390000e4}, {0xc84, 0x20f60000}, 116 {0xc88, 0x40000100}, {0xc8c, 0x20200000}, 117 {0xc90, 0x00020e1a}, {0xc94, 0x00000000}, 118 {0xc98, 0x00020e1a}, {0xc9c, 0x00007f7f}, 119 {0xca0, 0x00000000}, {0xca4, 0x000300a0}, 120 {0xca8, 0x00000000}, {0xcac, 0x00000000}, 121 {0xcb0, 0x00000000}, {0xcb4, 0x00000000}, 122 {0xcb8, 0x00000000}, {0xcbc, 0x28000000}, 123 {0xcc0, 0x00000000}, {0xcc4, 0x00000000}, 124 {0xcc8, 0x00000000}, {0xccc, 0x00000000}, 125 {0xcd0, 0x00000000}, {0xcd4, 0x00000000}, 126 {0xcd8, 0x64b22427}, {0xcdc, 0x00766932}, 127 {0xce0, 0x00222222}, {0xce4, 0x00000000}, 128 {0xce8, 0x37644302}, {0xcec, 0x2f97d40c}, 129 {0xd00, 0x00000740}, {0xd04, 0x40020401}, 130 {0xd08, 0x0000907f}, {0xd0c, 0x20010201}, 131 {0xd10, 0xa0633333}, {0xd14, 0x3333bc53}, 132 {0xd18, 0x7a8f5b6f}, {0xd2c, 0xcc979975}, 133 {0xd30, 0x00000000}, {0xd34, 0x80608000}, 134 {0xd38, 0x00000000}, {0xd3c, 0x00127353}, 135 {0xd40, 0x00000000}, {0xd44, 0x00000000}, 136 {0xd48, 0x00000000}, {0xd4c, 0x00000000}, 137 {0xd50, 0x6437140a}, {0xd54, 0x00000000}, 138 {0xd58, 0x00000282}, {0xd5c, 0x30032064}, 139 {0xd60, 0x4653de68}, {0xd64, 0x04518a3c}, 140 {0xd68, 0x00002101}, {0xd6c, 0x2a201c16}, 141 {0xd70, 0x1812362e}, {0xd74, 0x322c2220}, 142 {0xd78, 0x000e3c24}, {0xe00, 0x2d2d2d2d}, 143 {0xe04, 0x2d2d2d2d}, {0xe08, 0x0390272d}, 144 {0xe10, 0x2d2d2d2d}, {0xe14, 0x2d2d2d2d}, 145 {0xe18, 0x2d2d2d2d}, {0xe1c, 0x2d2d2d2d}, 146 {0xe28, 0x00000000}, {0xe30, 0x1000dc1f}, 147 {0xe34, 0x10008c1f}, {0xe38, 0x02140102}, 148 {0xe3c, 0x681604c2}, {0xe40, 0x01007c00}, 149 {0xe44, 0x01004800}, {0xe48, 0xfb000000}, 150 {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f}, 151 {0xe54, 0x10008c1f}, {0xe58, 0x02140102}, 152 {0xe5c, 0x28160d05}, {0xe60, 0x00000008}, 153 {0xe68, 0x001b2556}, {0xe6c, 0x00c00096}, 154 {0xe70, 0x00c00096}, {0xe74, 0x01000056}, 155 {0xe78, 0x01000014}, {0xe7c, 0x01000056}, 156 {0xe80, 0x01000014}, {0xe84, 0x00c00096}, 157 {0xe88, 0x01000056}, {0xe8c, 0x00c00096}, 158 {0xed0, 0x00c00096}, {0xed4, 0x00c00096}, 159 {0xed8, 0x00c00096}, {0xedc, 0x000000d6}, 160 {0xee0, 0x000000d6}, {0xeec, 0x01c00016}, 161 {0xf14, 0x00000003}, {0xf4c, 0x00000000}, 162 {0xf00, 0x00000300}, 163 {0x820, 0x01000100}, {0x800, 0x83040000}, 164 {0xffff, 0xffffffff}, 165 }; 166 167 static struct rtl8xxxu_reg32val rtl8xxx_agc_8723bu_table[] = { 168 {0xc78, 0xfd000001}, {0xc78, 0xfc010001}, 169 {0xc78, 0xfb020001}, {0xc78, 0xfa030001}, 170 {0xc78, 0xf9040001}, {0xc78, 0xf8050001}, 171 {0xc78, 0xf7060001}, {0xc78, 0xf6070001}, 172 {0xc78, 0xf5080001}, {0xc78, 0xf4090001}, 173 {0xc78, 0xf30a0001}, {0xc78, 0xf20b0001}, 174 {0xc78, 0xf10c0001}, {0xc78, 0xf00d0001}, 175 {0xc78, 0xef0e0001}, {0xc78, 0xee0f0001}, 176 {0xc78, 0xed100001}, {0xc78, 0xec110001}, 177 {0xc78, 0xeb120001}, {0xc78, 0xea130001}, 178 {0xc78, 0xe9140001}, {0xc78, 0xe8150001}, 179 {0xc78, 0xe7160001}, {0xc78, 0xe6170001}, 180 {0xc78, 0xe5180001}, {0xc78, 0xe4190001}, 181 {0xc78, 0xe31a0001}, {0xc78, 0xa51b0001}, 182 {0xc78, 0xa41c0001}, {0xc78, 0xa31d0001}, 183 {0xc78, 0x671e0001}, {0xc78, 0x661f0001}, 184 {0xc78, 0x65200001}, {0xc78, 0x64210001}, 185 {0xc78, 0x63220001}, {0xc78, 0x4a230001}, 186 {0xc78, 0x49240001}, {0xc78, 0x48250001}, 187 {0xc78, 0x47260001}, {0xc78, 0x46270001}, 188 {0xc78, 0x45280001}, {0xc78, 0x44290001}, 189 {0xc78, 0x432a0001}, {0xc78, 0x422b0001}, 190 {0xc78, 0x292c0001}, {0xc78, 0x282d0001}, 191 {0xc78, 0x272e0001}, {0xc78, 0x262f0001}, 192 {0xc78, 0x0a300001}, {0xc78, 0x09310001}, 193 {0xc78, 0x08320001}, {0xc78, 0x07330001}, 194 {0xc78, 0x06340001}, {0xc78, 0x05350001}, 195 {0xc78, 0x04360001}, {0xc78, 0x03370001}, 196 {0xc78, 0x02380001}, {0xc78, 0x01390001}, 197 {0xc78, 0x013a0001}, {0xc78, 0x013b0001}, 198 {0xc78, 0x013c0001}, {0xc78, 0x013d0001}, 199 {0xc78, 0x013e0001}, {0xc78, 0x013f0001}, 200 {0xc78, 0xfc400001}, {0xc78, 0xfb410001}, 201 {0xc78, 0xfa420001}, {0xc78, 0xf9430001}, 202 {0xc78, 0xf8440001}, {0xc78, 0xf7450001}, 203 {0xc78, 0xf6460001}, {0xc78, 0xf5470001}, 204 {0xc78, 0xf4480001}, {0xc78, 0xf3490001}, 205 {0xc78, 0xf24a0001}, {0xc78, 0xf14b0001}, 206 {0xc78, 0xf04c0001}, {0xc78, 0xef4d0001}, 207 {0xc78, 0xee4e0001}, {0xc78, 0xed4f0001}, 208 {0xc78, 0xec500001}, {0xc78, 0xeb510001}, 209 {0xc78, 0xea520001}, {0xc78, 0xe9530001}, 210 {0xc78, 0xe8540001}, {0xc78, 0xe7550001}, 211 {0xc78, 0xe6560001}, {0xc78, 0xe5570001}, 212 {0xc78, 0xe4580001}, {0xc78, 0xe3590001}, 213 {0xc78, 0xa65a0001}, {0xc78, 0xa55b0001}, 214 {0xc78, 0xa45c0001}, {0xc78, 0xa35d0001}, 215 {0xc78, 0x675e0001}, {0xc78, 0x665f0001}, 216 {0xc78, 0x65600001}, {0xc78, 0x64610001}, 217 {0xc78, 0x63620001}, {0xc78, 0x62630001}, 218 {0xc78, 0x61640001}, {0xc78, 0x48650001}, 219 {0xc78, 0x47660001}, {0xc78, 0x46670001}, 220 {0xc78, 0x45680001}, {0xc78, 0x44690001}, 221 {0xc78, 0x436a0001}, {0xc78, 0x426b0001}, 222 {0xc78, 0x286c0001}, {0xc78, 0x276d0001}, 223 {0xc78, 0x266e0001}, {0xc78, 0x256f0001}, 224 {0xc78, 0x24700001}, {0xc78, 0x09710001}, 225 {0xc78, 0x08720001}, {0xc78, 0x07730001}, 226 {0xc78, 0x06740001}, {0xc78, 0x05750001}, 227 {0xc78, 0x04760001}, {0xc78, 0x03770001}, 228 {0xc78, 0x02780001}, {0xc78, 0x01790001}, 229 {0xc78, 0x017a0001}, {0xc78, 0x017b0001}, 230 {0xc78, 0x017c0001}, {0xc78, 0x017d0001}, 231 {0xc78, 0x017e0001}, {0xc78, 0x017f0001}, 232 {0xc50, 0x69553422}, 233 {0xc50, 0x69553420}, 234 {0x824, 0x00390204}, 235 {0xffff, 0xffffffff} 236 }; 237 238 static struct rtl8xxxu_rfregval rtl8723bu_radioa_1t_init_table[] = { 239 {0x00, 0x00010000}, {0xb0, 0x000dffe0}, 240 {0xfe, 0x00000000}, {0xfe, 0x00000000}, 241 {0xfe, 0x00000000}, {0xb1, 0x00000018}, 242 {0xfe, 0x00000000}, {0xfe, 0x00000000}, 243 {0xfe, 0x00000000}, {0xb2, 0x00084c00}, 244 {0xb5, 0x0000d2cc}, {0xb6, 0x000925aa}, 245 {0xb7, 0x00000010}, {0xb8, 0x0000907f}, 246 {0x5c, 0x00000002}, {0x7c, 0x00000002}, 247 {0x7e, 0x00000005}, {0x8b, 0x0006fc00}, 248 {0xb0, 0x000ff9f0}, {0x1c, 0x000739d2}, 249 {0x1e, 0x00000000}, {0xdf, 0x00000780}, 250 {0x50, 0x00067435}, 251 /* 252 * The 8723bu vendor driver indicates that bit 8 should be set in 253 * 0x51 for package types TFBGA90, TFBGA80, and TFBGA79. However 254 * they never actually check the package type - and just default 255 * to not setting it. 256 */ 257 {0x51, 0x0006b04e}, 258 {0x52, 0x000007d2}, {0x53, 0x00000000}, 259 {0x54, 0x00050400}, {0x55, 0x0004026e}, 260 {0xdd, 0x0000004c}, {0x70, 0x00067435}, 261 /* 262 * 0x71 has same package type condition as for register 0x51 263 */ 264 {0x71, 0x0006b04e}, 265 {0x72, 0x000007d2}, {0x73, 0x00000000}, 266 {0x74, 0x00050400}, {0x75, 0x0004026e}, 267 {0xef, 0x00000100}, {0x34, 0x0000add7}, 268 {0x35, 0x00005c00}, {0x34, 0x00009dd4}, 269 {0x35, 0x00005000}, {0x34, 0x00008dd1}, 270 {0x35, 0x00004400}, {0x34, 0x00007dce}, 271 {0x35, 0x00003800}, {0x34, 0x00006cd1}, 272 {0x35, 0x00004400}, {0x34, 0x00005cce}, 273 {0x35, 0x00003800}, {0x34, 0x000048ce}, 274 {0x35, 0x00004400}, {0x34, 0x000034ce}, 275 {0x35, 0x00003800}, {0x34, 0x00002451}, 276 {0x35, 0x00004400}, {0x34, 0x0000144e}, 277 {0x35, 0x00003800}, {0x34, 0x00000051}, 278 {0x35, 0x00004400}, {0xef, 0x00000000}, 279 {0xef, 0x00000100}, {0xed, 0x00000010}, 280 {0x44, 0x0000add7}, {0x44, 0x00009dd4}, 281 {0x44, 0x00008dd1}, {0x44, 0x00007dce}, 282 {0x44, 0x00006cc1}, {0x44, 0x00005cce}, 283 {0x44, 0x000044d1}, {0x44, 0x000034ce}, 284 {0x44, 0x00002451}, {0x44, 0x0000144e}, 285 {0x44, 0x00000051}, {0xef, 0x00000000}, 286 {0xed, 0x00000000}, {0x7f, 0x00020080}, 287 {0xef, 0x00002000}, {0x3b, 0x000380ef}, 288 {0x3b, 0x000302fe}, {0x3b, 0x00028ce6}, 289 {0x3b, 0x000200bc}, {0x3b, 0x000188a5}, 290 {0x3b, 0x00010fbc}, {0x3b, 0x00008f71}, 291 {0x3b, 0x00000900}, {0xef, 0x00000000}, 292 {0xed, 0x00000001}, {0x40, 0x000380ef}, 293 {0x40, 0x000302fe}, {0x40, 0x00028ce6}, 294 {0x40, 0x000200bc}, {0x40, 0x000188a5}, 295 {0x40, 0x00010fbc}, {0x40, 0x00008f71}, 296 {0x40, 0x00000900}, {0xed, 0x00000000}, 297 {0x82, 0x00080000}, {0x83, 0x00008000}, 298 {0x84, 0x00048d80}, {0x85, 0x00068000}, 299 {0xa2, 0x00080000}, {0xa3, 0x00008000}, 300 {0xa4, 0x00048d80}, {0xa5, 0x00068000}, 301 {0xed, 0x00000002}, {0xef, 0x00000002}, 302 {0x56, 0x00000032}, {0x76, 0x00000032}, 303 {0x01, 0x00000780}, 304 {0xff, 0xffffffff} 305 }; 306 307 static void rtl8723bu_write_btreg(struct rtl8xxxu_priv *priv, u8 reg, u8 data) 308 { 309 struct h2c_cmd h2c; 310 int reqnum = 0; 311 312 memset(&h2c, 0, sizeof(struct h2c_cmd)); 313 h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER; 314 h2c.bt_mp_oper.operreq = 0 | (reqnum << 4); 315 h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE; 316 h2c.bt_mp_oper.data = data; 317 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper)); 318 319 reqnum++; 320 memset(&h2c, 0, sizeof(struct h2c_cmd)); 321 h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER; 322 h2c.bt_mp_oper.operreq = 0 | (reqnum << 4); 323 h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE; 324 h2c.bt_mp_oper.addr = reg; 325 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper)); 326 } 327 328 static void rtl8723bu_reset_8051(struct rtl8xxxu_priv *priv) 329 { 330 u8 val8; 331 u16 sys_func; 332 333 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL); 334 val8 &= ~BIT(1); 335 rtl8xxxu_write8(priv, REG_RSV_CTRL, val8); 336 337 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 338 val8 &= ~BIT(0); 339 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 340 341 sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC); 342 sys_func &= ~SYS_FUNC_CPU_ENABLE; 343 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); 344 345 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL); 346 val8 &= ~BIT(1); 347 rtl8xxxu_write8(priv, REG_RSV_CTRL, val8); 348 349 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 350 val8 |= BIT(0); 351 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 352 353 sys_func |= SYS_FUNC_CPU_ENABLE; 354 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); 355 } 356 357 static void 358 rtl8723b_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40) 359 { 360 u32 val32, ofdm, mcs; 361 u8 cck, ofdmbase, mcsbase; 362 int group, tx_idx; 363 364 tx_idx = 0; 365 group = rtl8xxxu_gen2_channel_to_group(channel); 366 367 cck = priv->cck_tx_power_index_B[group]; 368 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32); 369 val32 &= 0xffff00ff; 370 val32 |= (cck << 8); 371 rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32); 372 373 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); 374 val32 &= 0xff; 375 val32 |= ((cck << 8) | (cck << 16) | (cck << 24)); 376 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); 377 378 ofdmbase = priv->ht40_1s_tx_power_index_B[group]; 379 ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b; 380 ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24; 381 382 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm); 383 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm); 384 385 mcsbase = priv->ht40_1s_tx_power_index_B[group]; 386 if (ht40) 387 mcsbase += priv->ht40_tx_power_diff[tx_idx++].b; 388 else 389 mcsbase += priv->ht20_tx_power_diff[tx_idx++].b; 390 mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24; 391 392 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs); 393 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs); 394 } 395 396 static int rtl8723bu_parse_efuse(struct rtl8xxxu_priv *priv) 397 { 398 struct rtl8723bu_efuse *efuse = &priv->efuse_wifi.efuse8723bu; 399 int i; 400 401 if (efuse->rtl_id != cpu_to_le16(0x8129)) 402 return -EINVAL; 403 404 ether_addr_copy(priv->mac_addr, efuse->mac_addr); 405 406 memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base, 407 sizeof(efuse->tx_power_index_A.cck_base)); 408 memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base, 409 sizeof(efuse->tx_power_index_B.cck_base)); 410 411 memcpy(priv->ht40_1s_tx_power_index_A, 412 efuse->tx_power_index_A.ht40_base, 413 sizeof(efuse->tx_power_index_A.ht40_base)); 414 memcpy(priv->ht40_1s_tx_power_index_B, 415 efuse->tx_power_index_B.ht40_base, 416 sizeof(efuse->tx_power_index_B.ht40_base)); 417 418 priv->ofdm_tx_power_diff[0].a = 419 efuse->tx_power_index_A.ht20_ofdm_1s_diff.a; 420 priv->ofdm_tx_power_diff[0].b = 421 efuse->tx_power_index_B.ht20_ofdm_1s_diff.a; 422 423 priv->ht20_tx_power_diff[0].a = 424 efuse->tx_power_index_A.ht20_ofdm_1s_diff.b; 425 priv->ht20_tx_power_diff[0].b = 426 efuse->tx_power_index_B.ht20_ofdm_1s_diff.b; 427 428 priv->ht40_tx_power_diff[0].a = 0; 429 priv->ht40_tx_power_diff[0].b = 0; 430 431 for (i = 1; i < RTL8723B_TX_COUNT; i++) { 432 priv->ofdm_tx_power_diff[i].a = 433 efuse->tx_power_index_A.pwr_diff[i - 1].ofdm; 434 priv->ofdm_tx_power_diff[i].b = 435 efuse->tx_power_index_B.pwr_diff[i - 1].ofdm; 436 437 priv->ht20_tx_power_diff[i].a = 438 efuse->tx_power_index_A.pwr_diff[i - 1].ht20; 439 priv->ht20_tx_power_diff[i].b = 440 efuse->tx_power_index_B.pwr_diff[i - 1].ht20; 441 442 priv->ht40_tx_power_diff[i].a = 443 efuse->tx_power_index_A.pwr_diff[i - 1].ht40; 444 priv->ht40_tx_power_diff[i].b = 445 efuse->tx_power_index_B.pwr_diff[i - 1].ht40; 446 } 447 448 priv->has_xtalk = 1; 449 priv->xtalk = priv->efuse_wifi.efuse8723bu.xtal_k & 0x3f; 450 451 dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name); 452 dev_info(&priv->udev->dev, "Product: %.41s\n", efuse->device_name); 453 454 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) { 455 int i; 456 unsigned char *raw = priv->efuse_wifi.raw; 457 458 dev_info(&priv->udev->dev, 459 "%s: dumping efuse (0x%02zx bytes):\n", 460 __func__, sizeof(struct rtl8723bu_efuse)); 461 for (i = 0; i < sizeof(struct rtl8723bu_efuse); i += 8) 462 dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]); 463 } 464 465 return 0; 466 } 467 468 static int rtl8723bu_load_firmware(struct rtl8xxxu_priv *priv) 469 { 470 char *fw_name; 471 int ret; 472 473 if (priv->enable_bluetooth) 474 fw_name = "rtlwifi/rtl8723bu_bt.bin"; 475 else 476 fw_name = "rtlwifi/rtl8723bu_nic.bin"; 477 478 ret = rtl8xxxu_load_firmware(priv, fw_name); 479 return ret; 480 } 481 482 static void rtl8723bu_init_phy_bb(struct rtl8xxxu_priv *priv) 483 { 484 u8 val8; 485 u16 val16; 486 487 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 488 val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF; 489 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 490 491 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00); 492 493 /* 6. 0x1f[7:0] = 0x07 */ 494 val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB; 495 rtl8xxxu_write8(priv, REG_RF_CTRL, val8); 496 497 /* Why? */ 498 rtl8xxxu_write8(priv, REG_SYS_FUNC, 0xe3); 499 rtl8xxxu_write8(priv, REG_AFE_XTAL_CTRL + 1, 0x80); 500 rtl8xxxu_init_phy_regs(priv, rtl8723b_phy_1t_init_table); 501 502 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8723bu_table); 503 } 504 505 static int rtl8723bu_init_phy_rf(struct rtl8xxxu_priv *priv) 506 { 507 int ret; 508 509 ret = rtl8xxxu_init_phy_rf(priv, rtl8723bu_radioa_1t_init_table, RF_A); 510 /* 511 * PHY LCK 512 */ 513 rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdfbe0); 514 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, 0x8c01); 515 msleep(200); 516 rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdffe0); 517 518 return ret; 519 } 520 521 static void rtl8723bu_phy_init_antenna_selection(struct rtl8xxxu_priv *priv) 522 { 523 u32 val32; 524 525 val32 = rtl8xxxu_read32(priv, REG_PAD_CTRL1); 526 val32 &= ~(BIT(20) | BIT(24)); 527 rtl8xxxu_write32(priv, REG_PAD_CTRL1, val32); 528 529 val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG); 530 val32 &= ~BIT(4); 531 rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32); 532 533 val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG); 534 val32 |= BIT(3); 535 rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32); 536 537 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); 538 val32 |= BIT(24); 539 rtl8xxxu_write32(priv, REG_LEDCFG0, val32); 540 541 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); 542 val32 &= ~BIT(23); 543 rtl8xxxu_write32(priv, REG_LEDCFG0, val32); 544 545 val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER); 546 val32 |= (BIT(0) | BIT(1)); 547 rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32); 548 549 val32 = rtl8xxxu_read32(priv, REG_RFE_CTRL_ANTA_SRC); 550 val32 &= 0xffffff00; 551 val32 |= 0x77; 552 rtl8xxxu_write32(priv, REG_RFE_CTRL_ANTA_SRC, val32); 553 554 val32 = rtl8xxxu_read32(priv, REG_PWR_DATA); 555 val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN; 556 rtl8xxxu_write32(priv, REG_PWR_DATA, val32); 557 } 558 559 static int rtl8723bu_iqk_path_a(struct rtl8xxxu_priv *priv) 560 { 561 u32 reg_eac, reg_e94, reg_e9c, path_sel, val32; 562 int result = 0; 563 564 path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH); 565 566 /* 567 * Leave IQK mode 568 */ 569 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 570 val32 &= 0x000000ff; 571 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 572 573 /* 574 * Enable path A PA in TX IQK mode 575 */ 576 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 577 val32 |= 0x80000; 578 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 579 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000); 580 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0003f); 581 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xc7f87); 582 583 /* 584 * Tx IQK setting 585 */ 586 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 587 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 588 589 /* path-A IQK setting */ 590 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c); 591 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); 592 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 593 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 594 595 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821403ea); 596 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000); 597 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000); 598 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000); 599 600 /* LO calibration setting */ 601 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911); 602 603 /* 604 * Enter IQK mode 605 */ 606 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 607 val32 &= 0x000000ff; 608 val32 |= 0x80800000; 609 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 610 611 /* 612 * The vendor driver indicates the USB module is always using 613 * S0S1 path 1 for the 8723bu. This may be different for 8192eu 614 */ 615 if (priv->rf_paths > 1) 616 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000); 617 else 618 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280); 619 620 /* 621 * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu. 622 * No trace of this in the 8192eu or 8188eu vendor drivers. 623 */ 624 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800); 625 626 /* One shot, path A LOK & IQK */ 627 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); 628 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 629 630 mdelay(1); 631 632 /* Restore Ant Path */ 633 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel); 634 #ifdef RTL8723BU_BT 635 /* GNT_BT = 1 */ 636 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800); 637 #endif 638 639 /* 640 * Leave IQK mode 641 */ 642 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 643 val32 &= 0x000000ff; 644 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 645 646 /* Check failed */ 647 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 648 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); 649 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); 650 651 val32 = (reg_e9c >> 16) & 0x3ff; 652 if (val32 & 0x200) 653 val32 = 0x400 - val32; 654 655 if (!(reg_eac & BIT(28)) && 656 ((reg_e94 & 0x03ff0000) != 0x01420000) && 657 ((reg_e9c & 0x03ff0000) != 0x00420000) && 658 ((reg_e94 & 0x03ff0000) < 0x01100000) && 659 ((reg_e94 & 0x03ff0000) > 0x00f00000) && 660 val32 < 0xf) 661 result |= 0x01; 662 else /* If TX not OK, ignore RX */ 663 goto out; 664 665 out: 666 return result; 667 } 668 669 static int rtl8723bu_rx_iqk_path_a(struct rtl8xxxu_priv *priv) 670 { 671 u32 reg_ea4, reg_eac, reg_e94, reg_e9c, path_sel, val32; 672 int result = 0; 673 674 path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH); 675 676 /* 677 * Leave IQK mode 678 */ 679 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 680 val32 &= 0x000000ff; 681 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 682 683 /* 684 * Enable path A PA in TX IQK mode 685 */ 686 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 687 val32 |= 0x80000; 688 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 689 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); 690 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f); 691 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7); 692 693 /* 694 * Tx IQK setting 695 */ 696 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 697 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 698 699 /* path-A IQK setting */ 700 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c); 701 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); 702 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 703 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 704 705 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160ff0); 706 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000); 707 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000); 708 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000); 709 710 /* LO calibration setting */ 711 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911); 712 713 /* 714 * Enter IQK mode 715 */ 716 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 717 val32 &= 0x000000ff; 718 val32 |= 0x80800000; 719 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 720 721 /* 722 * The vendor driver indicates the USB module is always using 723 * S0S1 path 1 for the 8723bu. This may be different for 8192eu 724 */ 725 if (priv->rf_paths > 1) 726 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000); 727 else 728 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280); 729 730 /* 731 * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu. 732 * No trace of this in the 8192eu or 8188eu vendor drivers. 733 */ 734 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800); 735 736 /* One shot, path A LOK & IQK */ 737 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); 738 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 739 740 mdelay(1); 741 742 /* Restore Ant Path */ 743 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel); 744 #ifdef RTL8723BU_BT 745 /* GNT_BT = 1 */ 746 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800); 747 #endif 748 749 /* 750 * Leave IQK mode 751 */ 752 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 753 val32 &= 0x000000ff; 754 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 755 756 /* Check failed */ 757 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 758 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); 759 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); 760 761 val32 = (reg_e9c >> 16) & 0x3ff; 762 if (val32 & 0x200) 763 val32 = 0x400 - val32; 764 765 if (!(reg_eac & BIT(28)) && 766 ((reg_e94 & 0x03ff0000) != 0x01420000) && 767 ((reg_e9c & 0x03ff0000) != 0x00420000) && 768 ((reg_e94 & 0x03ff0000) < 0x01100000) && 769 ((reg_e94 & 0x03ff0000) > 0x00f00000) && 770 val32 < 0xf) 771 result |= 0x01; 772 else /* If TX not OK, ignore RX */ 773 goto out; 774 775 val32 = 0x80007c00 | (reg_e94 &0x3ff0000) | 776 ((reg_e9c & 0x3ff0000) >> 16); 777 rtl8xxxu_write32(priv, REG_TX_IQK, val32); 778 779 /* 780 * Modify RX IQK mode 781 */ 782 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 783 val32 &= 0x000000ff; 784 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 785 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 786 val32 |= 0x80000; 787 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 788 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); 789 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f); 790 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7d77); 791 792 /* 793 * PA, PAD setting 794 */ 795 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0xf80); 796 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55, 0x4021f); 797 798 /* 799 * RX IQK setting 800 */ 801 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 802 803 /* path-A IQK setting */ 804 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c); 805 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c); 806 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 807 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 808 809 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82110000); 810 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x2816001f); 811 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000); 812 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000); 813 814 /* LO calibration setting */ 815 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a8d1); 816 817 /* 818 * Enter IQK mode 819 */ 820 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 821 val32 &= 0x000000ff; 822 val32 |= 0x80800000; 823 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 824 825 if (priv->rf_paths > 1) 826 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000); 827 else 828 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280); 829 830 /* 831 * Disable BT 832 */ 833 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800); 834 835 /* One shot, path A LOK & IQK */ 836 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); 837 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 838 839 mdelay(1); 840 841 /* Restore Ant Path */ 842 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel); 843 #ifdef RTL8723BU_BT 844 /* GNT_BT = 1 */ 845 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800); 846 #endif 847 848 /* 849 * Leave IQK mode 850 */ 851 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 852 val32 &= 0x000000ff; 853 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 854 855 /* Check failed */ 856 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 857 reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2); 858 859 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x780); 860 861 val32 = (reg_eac >> 16) & 0x3ff; 862 if (val32 & 0x200) 863 val32 = 0x400 - val32; 864 865 if (!(reg_eac & BIT(27)) && 866 ((reg_ea4 & 0x03ff0000) != 0x01320000) && 867 ((reg_eac & 0x03ff0000) != 0x00360000) && 868 ((reg_ea4 & 0x03ff0000) < 0x01100000) && 869 ((reg_ea4 & 0x03ff0000) > 0x00f00000) && 870 val32 < 0xf) 871 result |= 0x02; 872 else /* If TX not OK, ignore RX */ 873 goto out; 874 out: 875 return result; 876 } 877 878 static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv, 879 int result[][8], int t) 880 { 881 struct device *dev = &priv->udev->dev; 882 u32 i, val32; 883 int path_a_ok /*, path_b_ok */; 884 int retry = 2; 885 const u32 adda_regs[RTL8XXXU_ADDA_REGS] = { 886 REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH, 887 REG_RX_WAIT_CCA, REG_TX_CCK_RFON, 888 REG_TX_CCK_BBON, REG_TX_OFDM_RFON, 889 REG_TX_OFDM_BBON, REG_TX_TO_RX, 890 REG_TX_TO_TX, REG_RX_CCK, 891 REG_RX_OFDM, REG_RX_WAIT_RIFS, 892 REG_RX_TO_RX, REG_STANDBY, 893 REG_SLEEP, REG_PMPD_ANAEN 894 }; 895 const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = { 896 REG_TXPAUSE, REG_BEACON_CTRL, 897 REG_BEACON_CTRL_1, REG_GPIO_MUXCFG 898 }; 899 const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = { 900 REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR, 901 REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B, 902 REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE, 903 REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE 904 }; 905 u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff; 906 u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff; 907 908 /* 909 * Note: IQ calibration must be performed after loading 910 * PHY_REG.txt , and radio_a, radio_b.txt 911 */ 912 913 if (t == 0) { 914 /* Save ADDA parameters, turn Path A ADDA on */ 915 rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup, 916 RTL8XXXU_ADDA_REGS); 917 rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 918 rtl8xxxu_save_regs(priv, iqk_bb_regs, 919 priv->bb_backup, RTL8XXXU_BB_REGS); 920 } 921 922 rtl8xxxu_path_adda_on(priv, adda_regs, true); 923 924 /* MAC settings */ 925 rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup); 926 927 val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING); 928 val32 |= 0x0f000000; 929 rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32); 930 931 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600); 932 rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4); 933 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000); 934 935 /* 936 * RX IQ calibration setting for 8723B D cut large current issue 937 * when leaving IPS 938 */ 939 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 940 val32 &= 0x000000ff; 941 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 942 943 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 944 val32 |= 0x80000; 945 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 946 947 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); 948 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f); 949 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7); 950 951 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED); 952 val32 |= 0x20; 953 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32); 954 955 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_43, 0x60fbd); 956 957 for (i = 0; i < retry; i++) { 958 path_a_ok = rtl8723bu_iqk_path_a(priv); 959 if (path_a_ok == 0x01) { 960 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 961 val32 &= 0x000000ff; 962 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 963 964 val32 = rtl8xxxu_read32(priv, 965 REG_TX_POWER_BEFORE_IQK_A); 966 result[t][0] = (val32 >> 16) & 0x3ff; 967 val32 = rtl8xxxu_read32(priv, 968 REG_TX_POWER_AFTER_IQK_A); 969 result[t][1] = (val32 >> 16) & 0x3ff; 970 971 break; 972 } 973 } 974 975 if (!path_a_ok) 976 dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__); 977 978 for (i = 0; i < retry; i++) { 979 path_a_ok = rtl8723bu_rx_iqk_path_a(priv); 980 if (path_a_ok == 0x03) { 981 val32 = rtl8xxxu_read32(priv, 982 REG_RX_POWER_BEFORE_IQK_A_2); 983 result[t][2] = (val32 >> 16) & 0x3ff; 984 val32 = rtl8xxxu_read32(priv, 985 REG_RX_POWER_AFTER_IQK_A_2); 986 result[t][3] = (val32 >> 16) & 0x3ff; 987 988 break; 989 } 990 } 991 992 if (!path_a_ok) 993 dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__); 994 995 if (priv->tx_paths > 1) { 996 #if 1 997 dev_warn(dev, "%s: Path B not supported\n", __func__); 998 #else 999 1000 /* 1001 * Path A into standby 1002 */ 1003 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 1004 val32 &= 0x000000ff; 1005 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 1006 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000); 1007 1008 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 1009 val32 &= 0x000000ff; 1010 val32 |= 0x80800000; 1011 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 1012 1013 /* Turn Path B ADDA on */ 1014 rtl8xxxu_path_adda_on(priv, adda_regs, false); 1015 1016 for (i = 0; i < retry; i++) { 1017 path_b_ok = rtl8xxxu_iqk_path_b(priv); 1018 if (path_b_ok == 0x03) { 1019 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 1020 result[t][4] = (val32 >> 16) & 0x3ff; 1021 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 1022 result[t][5] = (val32 >> 16) & 0x3ff; 1023 break; 1024 } 1025 } 1026 1027 if (!path_b_ok) 1028 dev_dbg(dev, "%s: Path B IQK failed!\n", __func__); 1029 1030 for (i = 0; i < retry; i++) { 1031 path_b_ok = rtl8723bu_rx_iqk_path_b(priv); 1032 if (path_a_ok == 0x03) { 1033 val32 = rtl8xxxu_read32(priv, 1034 REG_RX_POWER_BEFORE_IQK_B_2); 1035 result[t][6] = (val32 >> 16) & 0x3ff; 1036 val32 = rtl8xxxu_read32(priv, 1037 REG_RX_POWER_AFTER_IQK_B_2); 1038 result[t][7] = (val32 >> 16) & 0x3ff; 1039 break; 1040 } 1041 } 1042 1043 if (!path_b_ok) 1044 dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__); 1045 #endif 1046 } 1047 1048 /* Back to BB mode, load original value */ 1049 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 1050 val32 &= 0x000000ff; 1051 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 1052 1053 if (t) { 1054 /* Reload ADDA power saving parameters */ 1055 rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup, 1056 RTL8XXXU_ADDA_REGS); 1057 1058 /* Reload MAC parameters */ 1059 rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 1060 1061 /* Reload BB parameters */ 1062 rtl8xxxu_restore_regs(priv, iqk_bb_regs, 1063 priv->bb_backup, RTL8XXXU_BB_REGS); 1064 1065 /* Restore RX initial gain */ 1066 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1); 1067 val32 &= 0xffffff00; 1068 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50); 1069 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc); 1070 1071 if (priv->tx_paths > 1) { 1072 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1); 1073 val32 &= 0xffffff00; 1074 rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1, 1075 val32 | 0x50); 1076 rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1, 1077 val32 | xb_agc); 1078 } 1079 1080 /* Load 0xe30 IQC default value */ 1081 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00); 1082 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00); 1083 } 1084 } 1085 1086 static void rtl8723bu_phy_iq_calibrate(struct rtl8xxxu_priv *priv) 1087 { 1088 struct device *dev = &priv->udev->dev; 1089 int result[4][8]; /* last is final result */ 1090 int i, candidate; 1091 bool path_a_ok, path_b_ok; 1092 u32 reg_e94, reg_e9c, reg_ea4, reg_eac; 1093 u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc; 1094 u32 val32, bt_control; 1095 s32 reg_tmp = 0; 1096 bool simu; 1097 1098 rtl8xxxu_gen2_prepare_calibrate(priv, 1); 1099 1100 memset(result, 0, sizeof(result)); 1101 candidate = -1; 1102 1103 path_a_ok = false; 1104 path_b_ok = false; 1105 1106 bt_control = rtl8xxxu_read32(priv, REG_BT_CONTROL_8723BU); 1107 1108 for (i = 0; i < 3; i++) { 1109 rtl8723bu_phy_iqcalibrate(priv, result, i); 1110 1111 if (i == 1) { 1112 simu = rtl8xxxu_gen2_simularity_compare(priv, 1113 result, 0, 1); 1114 if (simu) { 1115 candidate = 0; 1116 break; 1117 } 1118 } 1119 1120 if (i == 2) { 1121 simu = rtl8xxxu_gen2_simularity_compare(priv, 1122 result, 0, 2); 1123 if (simu) { 1124 candidate = 0; 1125 break; 1126 } 1127 1128 simu = rtl8xxxu_gen2_simularity_compare(priv, 1129 result, 1, 2); 1130 if (simu) { 1131 candidate = 1; 1132 } else { 1133 for (i = 0; i < 8; i++) 1134 reg_tmp += result[3][i]; 1135 1136 if (reg_tmp) 1137 candidate = 3; 1138 else 1139 candidate = -1; 1140 } 1141 } 1142 } 1143 1144 for (i = 0; i < 4; i++) { 1145 reg_e94 = result[i][0]; 1146 reg_e9c = result[i][1]; 1147 reg_ea4 = result[i][2]; 1148 reg_eac = result[i][3]; 1149 reg_eb4 = result[i][4]; 1150 reg_ebc = result[i][5]; 1151 reg_ec4 = result[i][6]; 1152 reg_ecc = result[i][7]; 1153 } 1154 1155 if (candidate >= 0) { 1156 reg_e94 = result[candidate][0]; 1157 priv->rege94 = reg_e94; 1158 reg_e9c = result[candidate][1]; 1159 priv->rege9c = reg_e9c; 1160 reg_ea4 = result[candidate][2]; 1161 reg_eac = result[candidate][3]; 1162 reg_eb4 = result[candidate][4]; 1163 priv->regeb4 = reg_eb4; 1164 reg_ebc = result[candidate][5]; 1165 priv->regebc = reg_ebc; 1166 reg_ec4 = result[candidate][6]; 1167 reg_ecc = result[candidate][7]; 1168 dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate); 1169 dev_dbg(dev, 1170 "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n", 1171 __func__, reg_e94, reg_e9c, 1172 reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc); 1173 path_a_ok = true; 1174 path_b_ok = true; 1175 } else { 1176 reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100; 1177 reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0; 1178 } 1179 1180 if (reg_e94 && candidate >= 0) 1181 rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result, 1182 candidate, (reg_ea4 == 0)); 1183 1184 if (priv->tx_paths > 1 && reg_eb4) 1185 rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result, 1186 candidate, (reg_ec4 == 0)); 1187 1188 rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg, 1189 priv->bb_recovery_backup, RTL8XXXU_BB_REGS); 1190 1191 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, bt_control); 1192 1193 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 1194 val32 |= 0x80000; 1195 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 1196 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x18000); 1197 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f); 1198 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xe6177); 1199 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED); 1200 val32 |= 0x20; 1201 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32); 1202 rtl8xxxu_write_rfreg(priv, RF_A, 0x43, 0x300bd); 1203 1204 if (priv->rf_paths > 1) 1205 dev_dbg(dev, "%s: 8723BU 2T not supported\n", __func__); 1206 1207 rtl8xxxu_gen2_prepare_calibrate(priv, 0); 1208 } 1209 1210 static int rtl8723bu_active_to_emu(struct rtl8xxxu_priv *priv) 1211 { 1212 u8 val8; 1213 u16 val16; 1214 u32 val32; 1215 int count, ret = 0; 1216 1217 /* Turn off RF */ 1218 rtl8xxxu_write8(priv, REG_RF_CTRL, 0); 1219 1220 /* Enable rising edge triggering interrupt */ 1221 val16 = rtl8xxxu_read16(priv, REG_GPIO_INTM); 1222 val16 &= ~GPIO_INTM_EDGE_TRIG_IRQ; 1223 rtl8xxxu_write16(priv, REG_GPIO_INTM, val16); 1224 1225 /* Release WLON reset 0x04[16]= 1*/ 1226 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1227 val32 |= APS_FSMCO_WLON_RESET; 1228 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1229 1230 /* 0x0005[1] = 1 turn off MAC by HW state machine*/ 1231 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1232 val8 |= BIT(1); 1233 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1234 1235 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 1236 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1237 if ((val8 & BIT(1)) == 0) 1238 break; 1239 udelay(10); 1240 } 1241 1242 if (!count) { 1243 dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n", 1244 __func__); 1245 ret = -EBUSY; 1246 goto exit; 1247 } 1248 1249 /* Enable BT control XTAL setting */ 1250 val8 = rtl8xxxu_read8(priv, REG_AFE_MISC); 1251 val8 &= ~AFE_MISC_WL_XTAL_CTRL; 1252 rtl8xxxu_write8(priv, REG_AFE_MISC, val8); 1253 1254 /* 0x0000[5] = 1 analog Ips to digital, 1:isolation */ 1255 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL); 1256 val8 |= SYS_ISO_ANALOG_IPS; 1257 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8); 1258 1259 /* 0x0020[0] = 0 disable LDOA12 MACRO block*/ 1260 val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL); 1261 val8 &= ~LDOA15_ENABLE; 1262 rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8); 1263 1264 exit: 1265 return ret; 1266 } 1267 1268 static int rtl8723b_emu_to_active(struct rtl8xxxu_priv *priv) 1269 { 1270 u8 val8; 1271 u32 val32; 1272 int count, ret = 0; 1273 1274 /* 0x20[0] = 1 enable LDOA12 MACRO block for all interface */ 1275 val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL); 1276 val8 |= LDOA15_ENABLE; 1277 rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8); 1278 1279 /* 0x67[0] = 0 to disable BT_GPS_SEL pins*/ 1280 val8 = rtl8xxxu_read8(priv, 0x0067); 1281 val8 &= ~BIT(4); 1282 rtl8xxxu_write8(priv, 0x0067, val8); 1283 1284 mdelay(1); 1285 1286 /* 0x00[5] = 0 release analog Ips to digital, 1:isolation */ 1287 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL); 1288 val8 &= ~SYS_ISO_ANALOG_IPS; 1289 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8); 1290 1291 /* Disable SW LPS 0x04[10]= 0 */ 1292 val32 = rtl8xxxu_read8(priv, REG_APS_FSMCO); 1293 val32 &= ~APS_FSMCO_SW_LPS; 1294 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1295 1296 /* Wait until 0x04[17] = 1 power ready */ 1297 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 1298 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1299 if (val32 & BIT(17)) 1300 break; 1301 1302 udelay(10); 1303 } 1304 1305 if (!count) { 1306 ret = -EBUSY; 1307 goto exit; 1308 } 1309 1310 /* We should be able to optimize the following three entries into one */ 1311 1312 /* Release WLON reset 0x04[16]= 1*/ 1313 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1314 val32 |= APS_FSMCO_WLON_RESET; 1315 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1316 1317 /* Disable HWPDN 0x04[15]= 0*/ 1318 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1319 val32 &= ~APS_FSMCO_HW_POWERDOWN; 1320 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1321 1322 /* Disable WL suspend*/ 1323 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1324 val32 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE); 1325 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1326 1327 /* Set, then poll until 0 */ 1328 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1329 val32 |= APS_FSMCO_MAC_ENABLE; 1330 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1331 1332 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 1333 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1334 if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) { 1335 ret = 0; 1336 break; 1337 } 1338 udelay(10); 1339 } 1340 1341 if (!count) { 1342 ret = -EBUSY; 1343 goto exit; 1344 } 1345 1346 /* Enable WL control XTAL setting */ 1347 val8 = rtl8xxxu_read8(priv, REG_AFE_MISC); 1348 val8 |= AFE_MISC_WL_XTAL_CTRL; 1349 rtl8xxxu_write8(priv, REG_AFE_MISC, val8); 1350 1351 /* Enable falling edge triggering interrupt */ 1352 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 1); 1353 val8 |= BIT(1); 1354 rtl8xxxu_write8(priv, REG_GPIO_INTM + 1, val8); 1355 1356 /* Enable GPIO9 interrupt mode */ 1357 val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2 + 1); 1358 val8 |= BIT(1); 1359 rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2 + 1, val8); 1360 1361 /* Enable GPIO9 input mode */ 1362 val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2); 1363 val8 &= ~BIT(1); 1364 rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2, val8); 1365 1366 /* Enable HSISR GPIO[C:0] interrupt */ 1367 val8 = rtl8xxxu_read8(priv, REG_HSIMR); 1368 val8 |= BIT(0); 1369 rtl8xxxu_write8(priv, REG_HSIMR, val8); 1370 1371 /* Enable HSISR GPIO9 interrupt */ 1372 val8 = rtl8xxxu_read8(priv, REG_HSIMR + 2); 1373 val8 |= BIT(1); 1374 rtl8xxxu_write8(priv, REG_HSIMR + 2, val8); 1375 1376 val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL); 1377 val8 |= MULTI_WIFI_HW_ROF_EN; 1378 rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL, val8); 1379 1380 /* For GPIO9 internal pull high setting BIT(14) */ 1381 val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL + 1); 1382 val8 |= BIT(6); 1383 rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL + 1, val8); 1384 1385 exit: 1386 return ret; 1387 } 1388 1389 static int rtl8723bu_power_on(struct rtl8xxxu_priv *priv) 1390 { 1391 u8 val8; 1392 u16 val16; 1393 u32 val32; 1394 int ret; 1395 1396 rtl8xxxu_disabled_to_emu(priv); 1397 1398 ret = rtl8723b_emu_to_active(priv); 1399 if (ret) 1400 goto exit; 1401 1402 /* 1403 * Enable MAC DMA/WMAC/SCHEDULE/SEC block 1404 * Set CR bit10 to enable 32k calibration. 1405 */ 1406 val16 = rtl8xxxu_read16(priv, REG_CR); 1407 val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE | 1408 CR_TXDMA_ENABLE | CR_RXDMA_ENABLE | 1409 CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE | 1410 CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE | 1411 CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE); 1412 rtl8xxxu_write16(priv, REG_CR, val16); 1413 1414 /* 1415 * BT coexist power on settings. This is identical for 1 and 2 1416 * antenna parts. 1417 */ 1418 rtl8xxxu_write8(priv, REG_PAD_CTRL1 + 3, 0x20); 1419 1420 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 1421 val16 |= SYS_FUNC_BBRSTB | SYS_FUNC_BB_GLB_RSTN; 1422 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 1423 1424 rtl8xxxu_write8(priv, REG_BT_CONTROL_8723BU + 1, 0x18); 1425 rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04); 1426 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00); 1427 /* Antenna inverse */ 1428 rtl8xxxu_write8(priv, 0xfe08, 0x01); 1429 1430 val16 = rtl8xxxu_read16(priv, REG_PWR_DATA); 1431 val16 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN; 1432 rtl8xxxu_write16(priv, REG_PWR_DATA, val16); 1433 1434 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); 1435 val32 |= LEDCFG0_DPDT_SELECT; 1436 rtl8xxxu_write32(priv, REG_LEDCFG0, val32); 1437 1438 val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1); 1439 val8 &= ~PAD_CTRL1_SW_DPDT_SEL_DATA; 1440 rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8); 1441 exit: 1442 return ret; 1443 } 1444 1445 static void rtl8723bu_power_off(struct rtl8xxxu_priv *priv) 1446 { 1447 u8 val8; 1448 u16 val16; 1449 1450 rtl8xxxu_flush_fifo(priv); 1451 1452 /* 1453 * Disable TX report timer 1454 */ 1455 val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL); 1456 val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE; 1457 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); 1458 1459 rtl8xxxu_write8(priv, REG_CR, 0x0000); 1460 1461 rtl8xxxu_active_to_lps(priv); 1462 1463 /* Reset Firmware if running in RAM */ 1464 if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL) 1465 rtl8xxxu_firmware_self_reset(priv); 1466 1467 /* Reset MCU */ 1468 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 1469 val16 &= ~SYS_FUNC_CPU_ENABLE; 1470 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 1471 1472 /* Reset MCU ready status */ 1473 rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); 1474 1475 rtl8723bu_active_to_emu(priv); 1476 1477 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1478 val8 |= BIT(3); /* APS_FSMCO_HW_SUSPEND */ 1479 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1480 1481 /* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */ 1482 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2); 1483 val8 |= BIT(0); 1484 rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8); 1485 } 1486 1487 static void rtl8723b_enable_rf(struct rtl8xxxu_priv *priv) 1488 { 1489 struct h2c_cmd h2c; 1490 u32 val32; 1491 u8 val8; 1492 1493 val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA); 1494 val32 |= (BIT(22) | BIT(23)); 1495 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32); 1496 1497 /* 1498 * No indication anywhere as to what 0x0790 does. The 2 antenna 1499 * vendor code preserves bits 6-7 here. 1500 */ 1501 rtl8xxxu_write8(priv, 0x0790, 0x05); 1502 /* 1503 * 0x0778 seems to be related to enabling the number of antennas 1504 * In the vendor driver halbtc8723b2ant_InitHwConfig() sets it 1505 * to 0x03, while halbtc8723b1ant_InitHwConfig() sets it to 0x01 1506 */ 1507 rtl8xxxu_write8(priv, 0x0778, 0x01); 1508 1509 val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG); 1510 val8 |= BIT(5); 1511 rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8); 1512 1513 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_IQADJ_G1, 0x780); 1514 1515 rtl8723bu_write_btreg(priv, 0x3c, 0x15); /* BT TRx Mask on */ 1516 1517 /* 1518 * Set BT grant to low 1519 */ 1520 memset(&h2c, 0, sizeof(struct h2c_cmd)); 1521 h2c.bt_grant.cmd = H2C_8723B_BT_GRANT; 1522 h2c.bt_grant.data = 0; 1523 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_grant)); 1524 1525 /* 1526 * WLAN action by PTA 1527 */ 1528 rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x0c); 1529 1530 /* 1531 * BT select S0/S1 controlled by WiFi 1532 */ 1533 val8 = rtl8xxxu_read8(priv, 0x0067); 1534 val8 |= BIT(5); 1535 rtl8xxxu_write8(priv, 0x0067, val8); 1536 1537 val32 = rtl8xxxu_read32(priv, REG_PWR_DATA); 1538 val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN; 1539 rtl8xxxu_write32(priv, REG_PWR_DATA, val32); 1540 1541 /* 1542 * Bits 6/7 are marked in/out ... but for what? 1543 */ 1544 rtl8xxxu_write8(priv, 0x0974, 0xff); 1545 1546 val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER); 1547 val32 |= (BIT(0) | BIT(1)); 1548 rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32); 1549 1550 rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77); 1551 1552 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); 1553 val32 &= ~BIT(24); 1554 val32 |= BIT(23); 1555 rtl8xxxu_write32(priv, REG_LEDCFG0, val32); 1556 1557 /* 1558 * Fix external switch Main->S1, Aux->S0 1559 */ 1560 val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1); 1561 val8 &= ~BIT(0); 1562 rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8); 1563 1564 memset(&h2c, 0, sizeof(struct h2c_cmd)); 1565 h2c.ant_sel_rsv.cmd = H2C_8723B_ANT_SEL_RSV; 1566 h2c.ant_sel_rsv.ant_inverse = 1; 1567 h2c.ant_sel_rsv.int_switch_type = 0; 1568 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ant_sel_rsv)); 1569 1570 /* 1571 * Different settings per different antenna position. 1572 * Antenna Position: | Normal Inverse 1573 * -------------------------------------------------- 1574 * Antenna switch to BT: | 0x280, 0x00 1575 * Antenna switch to WiFi: | 0x0, 0x280 1576 * Antenna switch to PTA: | 0x200, 0x80 1577 */ 1578 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x80); 1579 1580 /* 1581 * Software control, antenna at WiFi side 1582 */ 1583 #ifdef NEED_PS_TDMA 1584 rtl8723bu_set_ps_tdma(priv, 0x08, 0x00, 0x00, 0x00, 0x00); 1585 #endif 1586 1587 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555); 1588 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555); 1589 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 1590 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 1591 1592 memset(&h2c, 0, sizeof(struct h2c_cmd)); 1593 h2c.bt_info.cmd = H2C_8723B_BT_INFO; 1594 h2c.bt_info.data = BIT(0); 1595 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_info)); 1596 1597 memset(&h2c, 0, sizeof(struct h2c_cmd)); 1598 h2c.ignore_wlan.cmd = H2C_8723B_BT_IGNORE_WLANACT; 1599 h2c.ignore_wlan.data = 0; 1600 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ignore_wlan)); 1601 } 1602 1603 static void rtl8723bu_init_aggregation(struct rtl8xxxu_priv *priv) 1604 { 1605 u32 agg_rx; 1606 u8 agg_ctrl; 1607 1608 /* 1609 * For now simply disable RX aggregation 1610 */ 1611 agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL); 1612 agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN; 1613 1614 agg_rx = rtl8xxxu_read32(priv, REG_RXDMA_AGG_PG_TH); 1615 agg_rx &= ~RXDMA_USB_AGG_ENABLE; 1616 agg_rx &= ~0xff0f; 1617 1618 rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl); 1619 rtl8xxxu_write32(priv, REG_RXDMA_AGG_PG_TH, agg_rx); 1620 } 1621 1622 static void rtl8723bu_init_statistics(struct rtl8xxxu_priv *priv) 1623 { 1624 u32 val32; 1625 1626 /* Time duration for NHM unit: 4us, 0x2710=40ms */ 1627 rtl8xxxu_write16(priv, REG_NHM_TIMER_8723B + 2, 0x2710); 1628 rtl8xxxu_write16(priv, REG_NHM_TH9_TH10_8723B + 2, 0xffff); 1629 rtl8xxxu_write32(priv, REG_NHM_TH3_TO_TH0_8723B, 0xffffff52); 1630 rtl8xxxu_write32(priv, REG_NHM_TH7_TO_TH4_8723B, 0xffffffff); 1631 /* TH8 */ 1632 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 1633 val32 |= 0xff; 1634 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 1635 /* Enable CCK */ 1636 val32 = rtl8xxxu_read32(priv, REG_NHM_TH9_TH10_8723B); 1637 val32 |= BIT(8) | BIT(9) | BIT(10); 1638 rtl8xxxu_write32(priv, REG_NHM_TH9_TH10_8723B, val32); 1639 /* Max power amongst all RX antennas */ 1640 val32 = rtl8xxxu_read32(priv, REG_OFDM0_FA_RSTC); 1641 val32 |= BIT(7); 1642 rtl8xxxu_write32(priv, REG_OFDM0_FA_RSTC, val32); 1643 } 1644 1645 struct rtl8xxxu_fileops rtl8723bu_fops = { 1646 .parse_efuse = rtl8723bu_parse_efuse, 1647 .load_firmware = rtl8723bu_load_firmware, 1648 .power_on = rtl8723bu_power_on, 1649 .power_off = rtl8723bu_power_off, 1650 .reset_8051 = rtl8723bu_reset_8051, 1651 .llt_init = rtl8xxxu_auto_llt_table, 1652 .init_phy_bb = rtl8723bu_init_phy_bb, 1653 .init_phy_rf = rtl8723bu_init_phy_rf, 1654 .phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection, 1655 .phy_iq_calibrate = rtl8723bu_phy_iq_calibrate, 1656 .config_channel = rtl8xxxu_gen2_config_channel, 1657 .parse_rx_desc = rtl8xxxu_parse_rxdesc24, 1658 .init_aggregation = rtl8723bu_init_aggregation, 1659 .init_statistics = rtl8723bu_init_statistics, 1660 .enable_rf = rtl8723b_enable_rf, 1661 .disable_rf = rtl8xxxu_gen2_disable_rf, 1662 .usb_quirks = rtl8xxxu_gen2_usb_quirks, 1663 .set_tx_power = rtl8723b_set_tx_power, 1664 .update_rate_mask = rtl8xxxu_gen2_update_rate_mask, 1665 .report_connect = rtl8xxxu_gen2_report_connect, 1666 .fill_txdesc = rtl8xxxu_fill_txdesc_v2, 1667 .writeN_block_size = 1024, 1668 .tx_desc_size = sizeof(struct rtl8xxxu_txdesc40), 1669 .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24), 1670 .has_s0s1 = 1, 1671 .has_tx_report = 1, 1672 .gen2_thermal_meter = 1, 1673 .adda_1t_init = 0x01c00014, 1674 .adda_1t_path_on = 0x01c00014, 1675 .adda_2t_path_on_a = 0x01c00014, 1676 .adda_2t_path_on_b = 0x01c00014, 1677 .trxff_boundary = 0x3f7f, 1678 .pbp_rx = PBP_PAGE_SIZE_256, 1679 .pbp_tx = PBP_PAGE_SIZE_256, 1680 .mactable = rtl8723b_mac_init_table, 1681 .total_page_num = TX_TOTAL_PAGE_NUM_8723B, 1682 .page_num_hi = TX_PAGE_NUM_HI_PQ_8723B, 1683 .page_num_lo = TX_PAGE_NUM_LO_PQ_8723B, 1684 .page_num_norm = TX_PAGE_NUM_NORM_PQ_8723B, 1685 }; 1686