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8723b.c
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linux-6.19.14/drivers/net/wireless/realtek/rtl8xxxu/8723b.c
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 "regs.h" 17#include "rtl8xxxu.h" 18 19static const struct rtl8xxxu_reg8val rtl8723b_mac_init_table[] = { 20 {0x02f, 0x30}, {0x035, 0x00}, {0x039, 0x08}, {0x04e, 0xe0}, 21 {0x064, 0x00}, {0x067, 0x20}, {0x428, 0x0a}, {0x429, 0x10}, 22 {0x430, 0x00}, {0x431, 0x00}, 23 {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05}, 24 {0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05}, 25 {0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01}, 26 {0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00}, 27 {0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f}, 28 {0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00}, 29 {0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f}, 30 {0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66}, 31 {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff}, 32 {0x4cd, 0xff}, {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2}, 33 {0x502, 0x2f}, {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3}, 34 {0x506, 0x5e}, {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4}, 35 {0x50a, 0x5e}, {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4}, 36 {0x50e, 0x00}, {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a}, 37 {0x516, 0x0a}, {0x525, 0x4f}, 38 {0x550, 0x10}, {0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50}, 39 {0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a}, 40 {0x620, 0xff}, {0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff}, 41 {0x624, 0xff}, {0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff}, 42 {0x638, 0x50}, {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e}, 43 {0x63f, 0x0e}, {0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00}, 44 {0x652, 0xc8}, {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43}, 45 {0x702, 0x65}, {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43}, 46 {0x70a, 0x65}, {0x70b, 0x87}, {0x765, 0x18}, {0x76e, 0x04}, 47 {0xffff, 0xff}, 48}; 49 50static const struct rtl8xxxu_reg32val rtl8723b_phy_1t_init_table[] = { 51 {0x800, 0x80040000}, {0x804, 0x00000003}, 52 {0x808, 0x0000fc00}, {0x80c, 0x0000000a}, 53 {0x810, 0x10001331}, {0x814, 0x020c3d10}, 54 {0x818, 0x02200385}, {0x81c, 0x00000000}, 55 {0x820, 0x01000100}, {0x824, 0x00190204}, 56 {0x828, 0x00000000}, {0x82c, 0x00000000}, 57 {0x830, 0x00000000}, {0x834, 0x00000000}, 58 {0x838, 0x00000000}, {0x83c, 0x00000000}, 59 {0x840, 0x00010000}, {0x844, 0x00000000}, 60 {0x848, 0x00000000}, {0x84c, 0x00000000}, 61 {0x850, 0x00000000}, {0x854, 0x00000000}, 62 {0x858, 0x569a11a9}, {0x85c, 0x01000014}, 63 {0x860, 0x66f60110}, {0x864, 0x061f0649}, 64 {0x868, 0x00000000}, {0x86c, 0x27272700}, 65 {0x870, 0x07000760}, {0x874, 0x25004000}, 66 {0x878, 0x00000808}, {0x87c, 0x00000000}, 67 {0x880, 0xb0000c1c}, {0x884, 0x00000001}, 68 {0x888, 0x00000000}, {0x88c, 0xccc000c0}, 69 {0x890, 0x00000800}, {0x894, 0xfffffffe}, 70 {0x898, 0x40302010}, {0x89c, 0x00706050}, 71 {0x900, 0x00000000}, {0x904, 0x00000023}, 72 {0x908, 0x00000000}, {0x90c, 0x81121111}, 73 {0x910, 0x00000002}, {0x914, 0x00000201}, 74 {0xa00, 0x00d047c8}, {0xa04, 0x80ff800c}, 75 {0xa08, 0x8c838300}, {0xa0c, 0x2e7f120f}, 76 {0xa10, 0x9500bb78}, {0xa14, 0x1114d028}, 77 {0xa18, 0x00881117}, {0xa1c, 0x89140f00}, 78 {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317}, 79 {0xa28, 0x00000204}, {0xa2c, 0x00d30000}, 80 {0xa70, 0x101fbf00}, {0xa74, 0x00000007}, 81 {0xa78, 0x00000900}, {0xa7c, 0x225b0606}, 82 {0xa80, 0x21806490}, {0xb2c, 0x00000000}, 83 {0xc00, 0x48071d40}, {0xc04, 0x03a05611}, 84 {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c}, 85 {0xc10, 0x08800000}, {0xc14, 0x40000100}, 86 {0xc18, 0x08800000}, {0xc1c, 0x40000100}, 87 {0xc20, 0x00000000}, {0xc24, 0x00000000}, 88 {0xc28, 0x00000000}, {0xc2c, 0x00000000}, 89 {0xc30, 0x69e9ac44}, {0xc34, 0x469652af}, 90 {0xc38, 0x49795994}, {0xc3c, 0x0a97971c}, 91 {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7}, 92 {0xc48, 0xec020107}, {0xc4c, 0x007f037f}, 93 {0xc50, 0x69553420}, {0xc54, 0x43bc0094}, 94 {0xc58, 0x00013149}, {0xc5c, 0x00250492}, 95 {0xc60, 0x00000000}, {0xc64, 0x7112848b}, 96 {0xc68, 0x47c00bff}, {0xc6c, 0x00000036}, 97 {0xc70, 0x2c7f000d}, {0xc74, 0x020610db}, 98 {0xc78, 0x0000001f}, {0xc7c, 0x00b91612}, 99 {0xc80, 0x390000e4}, {0xc84, 0x20f60000}, 100 {0xc88, 0x40000100}, {0xc8c, 0x20200000}, 101 {0xc90, 0x00020e1a}, {0xc94, 0x00000000}, 102 {0xc98, 0x00020e1a}, {0xc9c, 0x00007f7f}, 103 {0xca0, 0x00000000}, {0xca4, 0x000300a0}, 104 {0xca8, 0x00000000}, {0xcac, 0x00000000}, 105 {0xcb0, 0x00000000}, {0xcb4, 0x00000000}, 106 {0xcb8, 0x00000000}, {0xcbc, 0x28000000}, 107 {0xcc0, 0x00000000}, {0xcc4, 0x00000000}, 108 {0xcc8, 0x00000000}, {0xccc, 0x00000000}, 109 {0xcd0, 0x00000000}, {0xcd4, 0x00000000}, 110 {0xcd8, 0x64b22427}, {0xcdc, 0x00766932}, 111 {0xce0, 0x00222222}, {0xce4, 0x00000000}, 112 {0xce8, 0x37644302}, {0xcec, 0x2f97d40c}, 113 {0xd00, 0x00000740}, {0xd04, 0x40020401}, 114 {0xd08, 0x0000907f}, {0xd0c, 0x20010201}, 115 {0xd10, 0xa0633333}, {0xd14, 0x3333bc53}, 116 {0xd18, 0x7a8f5b6f}, {0xd2c, 0xcc979975}, 117 {0xd30, 0x00000000}, {0xd34, 0x80608000}, 118 {0xd38, 0x00000000}, {0xd3c, 0x00127353}, 119 {0xd40, 0x00000000}, {0xd44, 0x00000000}, 120 {0xd48, 0x00000000}, {0xd4c, 0x00000000}, 121 {0xd50, 0x6437140a}, {0xd54, 0x00000000}, 122 {0xd58, 0x00000282}, {0xd5c, 0x30032064}, 123 {0xd60, 0x4653de68}, {0xd64, 0x04518a3c}, 124 {0xd68, 0x00002101}, {0xd6c, 0x2a201c16}, 125 {0xd70, 0x1812362e}, {0xd74, 0x322c2220}, 126 {0xd78, 0x000e3c24}, {0xe00, 0x2d2d2d2d}, 127 {0xe04, 0x2d2d2d2d}, {0xe08, 0x0390272d}, 128 {0xe10, 0x2d2d2d2d}, {0xe14, 0x2d2d2d2d}, 129 {0xe18, 0x2d2d2d2d}, {0xe1c, 0x2d2d2d2d}, 130 {0xe28, 0x00000000}, {0xe30, 0x1000dc1f}, 131 {0xe34, 0x10008c1f}, {0xe38, 0x02140102}, 132 {0xe3c, 0x681604c2}, {0xe40, 0x01007c00}, 133 {0xe44, 0x01004800}, {0xe48, 0xfb000000}, 134 {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f}, 135 {0xe54, 0x10008c1f}, {0xe58, 0x02140102}, 136 {0xe5c, 0x28160d05}, {0xe60, 0x00000008}, 137 {0xe68, 0x001b2556}, {0xe6c, 0x00c00096}, 138 {0xe70, 0x00c00096}, {0xe74, 0x01000056}, 139 {0xe78, 0x01000014}, {0xe7c, 0x01000056}, 140 {0xe80, 0x01000014}, {0xe84, 0x00c00096}, 141 {0xe88, 0x01000056}, {0xe8c, 0x00c00096}, 142 {0xed0, 0x00c00096}, {0xed4, 0x00c00096}, 143 {0xed8, 0x00c00096}, {0xedc, 0x000000d6}, 144 {0xee0, 0x000000d6}, {0xeec, 0x01c00016}, 145 {0xf14, 0x00000003}, {0xf4c, 0x00000000}, 146 {0xf00, 0x00000300}, 147 {0x820, 0x01000100}, {0x800, 0x83040000}, 148 {0xffff, 0xffffffff}, 149}; 150 151static const struct rtl8xxxu_reg32val rtl8xxx_agc_8723bu_table[] = { 152 {0xc78, 0xfd000001}, {0xc78, 0xfc010001}, 153 {0xc78, 0xfb020001}, {0xc78, 0xfa030001}, 154 {0xc78, 0xf9040001}, {0xc78, 0xf8050001}, 155 {0xc78, 0xf7060001}, {0xc78, 0xf6070001}, 156 {0xc78, 0xf5080001}, {0xc78, 0xf4090001}, 157 {0xc78, 0xf30a0001}, {0xc78, 0xf20b0001}, 158 {0xc78, 0xf10c0001}, {0xc78, 0xf00d0001}, 159 {0xc78, 0xef0e0001}, {0xc78, 0xee0f0001}, 160 {0xc78, 0xed100001}, {0xc78, 0xec110001}, 161 {0xc78, 0xeb120001}, {0xc78, 0xea130001}, 162 {0xc78, 0xe9140001}, {0xc78, 0xe8150001}, 163 {0xc78, 0xe7160001}, {0xc78, 0xe6170001}, 164 {0xc78, 0xe5180001}, {0xc78, 0xe4190001}, 165 {0xc78, 0xe31a0001}, {0xc78, 0xa51b0001}, 166 {0xc78, 0xa41c0001}, {0xc78, 0xa31d0001}, 167 {0xc78, 0x671e0001}, {0xc78, 0x661f0001}, 168 {0xc78, 0x65200001}, {0xc78, 0x64210001}, 169 {0xc78, 0x63220001}, {0xc78, 0x4a230001}, 170 {0xc78, 0x49240001}, {0xc78, 0x48250001}, 171 {0xc78, 0x47260001}, {0xc78, 0x46270001}, 172 {0xc78, 0x45280001}, {0xc78, 0x44290001}, 173 {0xc78, 0x432a0001}, {0xc78, 0x422b0001}, 174 {0xc78, 0x292c0001}, {0xc78, 0x282d0001}, 175 {0xc78, 0x272e0001}, {0xc78, 0x262f0001}, 176 {0xc78, 0x0a300001}, {0xc78, 0x09310001}, 177 {0xc78, 0x08320001}, {0xc78, 0x07330001}, 178 {0xc78, 0x06340001}, {0xc78, 0x05350001}, 179 {0xc78, 0x04360001}, {0xc78, 0x03370001}, 180 {0xc78, 0x02380001}, {0xc78, 0x01390001}, 181 {0xc78, 0x013a0001}, {0xc78, 0x013b0001}, 182 {0xc78, 0x013c0001}, {0xc78, 0x013d0001}, 183 {0xc78, 0x013e0001}, {0xc78, 0x013f0001}, 184 {0xc78, 0xfc400001}, {0xc78, 0xfb410001}, 185 {0xc78, 0xfa420001}, {0xc78, 0xf9430001}, 186 {0xc78, 0xf8440001}, {0xc78, 0xf7450001}, 187 {0xc78, 0xf6460001}, {0xc78, 0xf5470001}, 188 {0xc78, 0xf4480001}, {0xc78, 0xf3490001}, 189 {0xc78, 0xf24a0001}, {0xc78, 0xf14b0001}, 190 {0xc78, 0xf04c0001}, {0xc78, 0xef4d0001}, 191 {0xc78, 0xee4e0001}, {0xc78, 0xed4f0001}, 192 {0xc78, 0xec500001}, {0xc78, 0xeb510001}, 193 {0xc78, 0xea520001}, {0xc78, 0xe9530001}, 194 {0xc78, 0xe8540001}, {0xc78, 0xe7550001}, 195 {0xc78, 0xe6560001}, {0xc78, 0xe5570001}, 196 {0xc78, 0xe4580001}, {0xc78, 0xe3590001}, 197 {0xc78, 0xa65a0001}, {0xc78, 0xa55b0001}, 198 {0xc78, 0xa45c0001}, {0xc78, 0xa35d0001}, 199 {0xc78, 0x675e0001}, {0xc78, 0x665f0001}, 200 {0xc78, 0x65600001}, {0xc78, 0x64610001}, 201 {0xc78, 0x63620001}, {0xc78, 0x62630001}, 202 {0xc78, 0x61640001}, {0xc78, 0x48650001}, 203 {0xc78, 0x47660001}, {0xc78, 0x46670001}, 204 {0xc78, 0x45680001}, {0xc78, 0x44690001}, 205 {0xc78, 0x436a0001}, {0xc78, 0x426b0001}, 206 {0xc78, 0x286c0001}, {0xc78, 0x276d0001}, 207 {0xc78, 0x266e0001}, {0xc78, 0x256f0001}, 208 {0xc78, 0x24700001}, {0xc78, 0x09710001}, 209 {0xc78, 0x08720001}, {0xc78, 0x07730001}, 210 {0xc78, 0x06740001}, {0xc78, 0x05750001}, 211 {0xc78, 0x04760001}, {0xc78, 0x03770001}, 212 {0xc78, 0x02780001}, {0xc78, 0x01790001}, 213 {0xc78, 0x017a0001}, {0xc78, 0x017b0001}, 214 {0xc78, 0x017c0001}, {0xc78, 0x017d0001}, 215 {0xc78, 0x017e0001}, {0xc78, 0x017f0001}, 216 {0xc50, 0x69553422}, 217 {0xc50, 0x69553420}, 218 {0x824, 0x00390204}, 219 {0xffff, 0xffffffff} 220}; 221 222static const struct rtl8xxxu_rfregval rtl8723bu_radioa_1t_init_table[] = { 223 {0x00, 0x00010000}, {0xb0, 0x000dffe0}, 224 {0xfe, 0x00000000}, {0xfe, 0x00000000}, 225 {0xfe, 0x00000000}, {0xb1, 0x00000018}, 226 {0xfe, 0x00000000}, {0xfe, 0x00000000}, 227 {0xfe, 0x00000000}, {0xb2, 0x00084c00}, 228 {0xb5, 0x0000d2cc}, {0xb6, 0x000925aa}, 229 {0xb7, 0x00000010}, {0xb8, 0x0000907f}, 230 {0x5c, 0x00000002}, {0x7c, 0x00000002}, 231 {0x7e, 0x00000005}, {0x8b, 0x0006fc00}, 232 {0xb0, 0x000ff9f0}, {0x1c, 0x000739d2}, 233 {0x1e, 0x00000000}, {0xdf, 0x00000780}, 234 {0x50, 0x00067435}, 235 /* 236 * The 8723bu vendor driver indicates that bit 8 should be set in 237 * 0x51 for package types TFBGA90, TFBGA80, and TFBGA79. However 238 * they never actually check the package type - and just default 239 * to not setting it. 240 */ 241 {0x51, 0x0006b04e}, 242 {0x52, 0x000007d2}, {0x53, 0x00000000}, 243 {0x54, 0x00050400}, {0x55, 0x0004026e}, 244 {0xdd, 0x0000004c}, {0x70, 0x00067435}, 245 /* 246 * 0x71 has same package type condition as for register 0x51 247 */ 248 {0x71, 0x0006b04e}, 249 {0x72, 0x000007d2}, {0x73, 0x00000000}, 250 {0x74, 0x00050400}, {0x75, 0x0004026e}, 251 {0xef, 0x00000100}, {0x34, 0x0000add7}, 252 {0x35, 0x00005c00}, {0x34, 0x00009dd4}, 253 {0x35, 0x00005000}, {0x34, 0x00008dd1}, 254 {0x35, 0x00004400}, {0x34, 0x00007dce}, 255 {0x35, 0x00003800}, {0x34, 0x00006cd1}, 256 {0x35, 0x00004400}, {0x34, 0x00005cce}, 257 {0x35, 0x00003800}, {0x34, 0x000048ce}, 258 {0x35, 0x00004400}, {0x34, 0x000034ce}, 259 {0x35, 0x00003800}, {0x34, 0x00002451}, 260 {0x35, 0x00004400}, {0x34, 0x0000144e}, 261 {0x35, 0x00003800}, {0x34, 0x00000051}, 262 {0x35, 0x00004400}, {0xef, 0x00000000}, 263 {0xef, 0x00000100}, {0xed, 0x00000010}, 264 {0x44, 0x0000add7}, {0x44, 0x00009dd4}, 265 {0x44, 0x00008dd1}, {0x44, 0x00007dce}, 266 {0x44, 0x00006cc1}, {0x44, 0x00005cce}, 267 {0x44, 0x000044d1}, {0x44, 0x000034ce}, 268 {0x44, 0x00002451}, {0x44, 0x0000144e}, 269 {0x44, 0x00000051}, {0xef, 0x00000000}, 270 {0xed, 0x00000000}, {0x7f, 0x00020080}, 271 {0xef, 0x00002000}, {0x3b, 0x000380ef}, 272 {0x3b, 0x000302fe}, {0x3b, 0x00028ce6}, 273 {0x3b, 0x000200bc}, {0x3b, 0x000188a5}, 274 {0x3b, 0x00010fbc}, {0x3b, 0x00008f71}, 275 {0x3b, 0x00000900}, {0xef, 0x00000000}, 276 {0xed, 0x00000001}, {0x40, 0x000380ef}, 277 {0x40, 0x000302fe}, {0x40, 0x00028ce6}, 278 {0x40, 0x000200bc}, {0x40, 0x000188a5}, 279 {0x40, 0x00010fbc}, {0x40, 0x00008f71}, 280 {0x40, 0x00000900}, {0xed, 0x00000000}, 281 {0x82, 0x00080000}, {0x83, 0x00008000}, 282 {0x84, 0x00048d80}, {0x85, 0x00068000}, 283 {0xa2, 0x00080000}, {0xa3, 0x00008000}, 284 {0xa4, 0x00048d80}, {0xa5, 0x00068000}, 285 {0xed, 0x00000002}, {0xef, 0x00000002}, 286 {0x56, 0x00000032}, {0x76, 0x00000032}, 287 {0x01, 0x00000780}, 288 {0xff, 0xffffffff} 289}; 290 291static int rtl8723bu_identify_chip(struct rtl8xxxu_priv *priv) 292{ 293 struct device *dev = &priv->udev->dev; 294 u32 val32, sys_cfg, vendor; 295 int ret = 0; 296 297 sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG); 298 priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK); 299 if (sys_cfg & SYS_CFG_TRP_VAUX_EN) { 300 dev_info(dev, "Unsupported test chip\n"); 301 ret = -ENOTSUPP; 302 goto out; 303 } 304 305 strscpy(priv->chip_name, "8723BU", sizeof(priv->chip_name)); 306 priv->rtl_chip = RTL8723B; 307 priv->rf_paths = 1; 308 priv->rx_paths = 1; 309 priv->tx_paths = 1; 310 311 val32 = rtl8xxxu_read32(priv, REG_MULTI_FUNC_CTRL); 312 if (val32 & MULTI_WIFI_FUNC_EN) 313 priv->has_wifi = 1; 314 if (val32 & MULTI_BT_FUNC_EN) 315 priv->has_bluetooth = 1; 316 if (val32 & MULTI_GPS_FUNC_EN) 317 priv->has_gps = 1; 318 priv->is_multi_func = 1; 319 320 vendor = sys_cfg & SYS_CFG_VENDOR_EXT_MASK; 321 rtl8xxxu_identify_vendor_2bits(priv, vendor); 322 323 val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS); 324 priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID); 325 326 rtl8xxxu_config_endpoints_sie(priv); 327 328 /* 329 * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX 330 */ 331 if (!priv->ep_tx_count) 332 ret = rtl8xxxu_config_endpoints_no_sie(priv); 333 334out: 335 return ret; 336} 337 338static void rtl8723bu_write_btreg(struct rtl8xxxu_priv *priv, u8 reg, u8 data) 339{ 340 struct h2c_cmd h2c; 341 int reqnum = 0; 342 343 memset(&h2c, 0, sizeof(struct h2c_cmd)); 344 h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER; 345 h2c.bt_mp_oper.operreq = 0 | (reqnum << 4); 346 h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE; 347 h2c.bt_mp_oper.data = data; 348 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper)); 349 350 reqnum++; 351 memset(&h2c, 0, sizeof(struct h2c_cmd)); 352 h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER; 353 h2c.bt_mp_oper.operreq = 0 | (reqnum << 4); 354 h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE; 355 h2c.bt_mp_oper.addr = reg; 356 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper)); 357} 358 359static void rtl8723bu_reset_8051(struct rtl8xxxu_priv *priv) 360{ 361 u8 val8; 362 u16 sys_func; 363 364 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL); 365 val8 &= ~BIT(1); 366 rtl8xxxu_write8(priv, REG_RSV_CTRL, val8); 367 368 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 369 val8 &= ~BIT(0); 370 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 371 372 sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC); 373 sys_func &= ~SYS_FUNC_CPU_ENABLE; 374 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); 375 376 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL); 377 val8 &= ~BIT(1); 378 rtl8xxxu_write8(priv, REG_RSV_CTRL, val8); 379 380 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 381 val8 |= BIT(0); 382 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 383 384 sys_func |= SYS_FUNC_CPU_ENABLE; 385 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); 386} 387 388static void 389rtl8723b_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40) 390{ 391 u32 val32, ofdm, mcs; 392 u8 cck, ofdmbase, mcsbase; 393 int group, tx_idx; 394 395 tx_idx = 0; 396 group = rtl8xxxu_gen2_channel_to_group(channel); 397 398 cck = priv->cck_tx_power_index_B[group]; 399 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32); 400 val32 &= 0xffff00ff; 401 val32 |= (cck << 8); 402 rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32); 403 404 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); 405 val32 &= 0xff; 406 val32 |= ((cck << 8) | (cck << 16) | (cck << 24)); 407 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); 408 409 ofdmbase = priv->ht40_1s_tx_power_index_B[group]; 410 ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b; 411 ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24; 412 413 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm); 414 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm); 415 416 mcsbase = priv->ht40_1s_tx_power_index_B[group]; 417 if (ht40) 418 mcsbase += priv->ht40_tx_power_diff[tx_idx++].b; 419 else 420 mcsbase += priv->ht20_tx_power_diff[tx_idx++].b; 421 mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24; 422 423 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs); 424 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs); 425} 426 427static int rtl8723bu_parse_efuse(struct rtl8xxxu_priv *priv) 428{ 429 struct rtl8723bu_efuse *efuse = &priv->efuse_wifi.efuse8723bu; 430 int i; 431 432 if (efuse->rtl_id != cpu_to_le16(0x8129)) 433 return -EINVAL; 434 435 ether_addr_copy(priv->mac_addr, efuse->mac_addr); 436 437 memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base, 438 sizeof(efuse->tx_power_index_A.cck_base)); 439 memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base, 440 sizeof(efuse->tx_power_index_B.cck_base)); 441 442 memcpy(priv->ht40_1s_tx_power_index_A, 443 efuse->tx_power_index_A.ht40_base, 444 sizeof(efuse->tx_power_index_A.ht40_base)); 445 memcpy(priv->ht40_1s_tx_power_index_B, 446 efuse->tx_power_index_B.ht40_base, 447 sizeof(efuse->tx_power_index_B.ht40_base)); 448 449 priv->ofdm_tx_power_diff[0].a = 450 efuse->tx_power_index_A.ht20_ofdm_1s_diff.a; 451 priv->ofdm_tx_power_diff[0].b = 452 efuse->tx_power_index_B.ht20_ofdm_1s_diff.a; 453 454 priv->ht20_tx_power_diff[0].a = 455 efuse->tx_power_index_A.ht20_ofdm_1s_diff.b; 456 priv->ht20_tx_power_diff[0].b = 457 efuse->tx_power_index_B.ht20_ofdm_1s_diff.b; 458 459 priv->ht40_tx_power_diff[0].a = 0; 460 priv->ht40_tx_power_diff[0].b = 0; 461 462 for (i = 1; i < RTL8723B_TX_COUNT; i++) { 463 priv->ofdm_tx_power_diff[i].a = 464 efuse->tx_power_index_A.pwr_diff[i - 1].ofdm; 465 priv->ofdm_tx_power_diff[i].b = 466 efuse->tx_power_index_B.pwr_diff[i - 1].ofdm; 467 468 priv->ht20_tx_power_diff[i].a = 469 efuse->tx_power_index_A.pwr_diff[i - 1].ht20; 470 priv->ht20_tx_power_diff[i].b = 471 efuse->tx_power_index_B.pwr_diff[i - 1].ht20; 472 473 priv->ht40_tx_power_diff[i].a = 474 efuse->tx_power_index_A.pwr_diff[i - 1].ht40; 475 priv->ht40_tx_power_diff[i].b = 476 efuse->tx_power_index_B.pwr_diff[i - 1].ht40; 477 } 478 479 priv->default_crystal_cap = priv->efuse_wifi.efuse8723bu.xtal_k & 0x3f; 480 481 return 0; 482} 483 484static int rtl8723bu_load_firmware(struct rtl8xxxu_priv *priv) 485{ 486 const char *fw_name; 487 int ret; 488 489 if (priv->enable_bluetooth) 490 fw_name = "rtlwifi/rtl8723bu_bt.bin"; 491 else 492 fw_name = "rtlwifi/rtl8723bu_nic.bin"; 493 494 ret = rtl8xxxu_load_firmware(priv, fw_name); 495 return ret; 496} 497 498static void rtl8723bu_init_phy_bb(struct rtl8xxxu_priv *priv) 499{ 500 u8 val8; 501 u16 val16; 502 503 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 504 val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF; 505 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 506 507 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00); 508 509 /* 6. 0x1f[7:0] = 0x07 */ 510 val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB; 511 rtl8xxxu_write8(priv, REG_RF_CTRL, val8); 512 513 /* Why? */ 514 rtl8xxxu_write8(priv, REG_SYS_FUNC, 0xe3); 515 rtl8xxxu_write8(priv, REG_AFE_XTAL_CTRL + 1, 0x80); 516 rtl8xxxu_init_phy_regs(priv, rtl8723b_phy_1t_init_table); 517 518 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8723bu_table); 519} 520 521static int rtl8723bu_init_phy_rf(struct rtl8xxxu_priv *priv) 522{ 523 int ret; 524 525 ret = rtl8xxxu_init_phy_rf(priv, rtl8723bu_radioa_1t_init_table, RF_A); 526 /* 527 * PHY LCK 528 */ 529 rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdfbe0); 530 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, 0x8c01); 531 msleep(200); 532 rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdffe0); 533 534 return ret; 535} 536 537void rtl8723bu_phy_init_antenna_selection(struct rtl8xxxu_priv *priv) 538{ 539 u32 val32; 540 541 val32 = rtl8xxxu_read32(priv, REG_PAD_CTRL1); 542 val32 &= ~(BIT(20) | BIT(24)); 543 rtl8xxxu_write32(priv, REG_PAD_CTRL1, val32); 544 545 val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG); 546 val32 &= ~BIT(4); 547 rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32); 548 549 val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG); 550 val32 |= BIT(3); 551 rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32); 552 553 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); 554 val32 |= BIT(24); 555 rtl8xxxu_write32(priv, REG_LEDCFG0, val32); 556 557 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); 558 val32 &= ~BIT(23); 559 rtl8xxxu_write32(priv, REG_LEDCFG0, val32); 560 561 val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER); 562 val32 |= (BIT(0) | BIT(1)); 563 rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32); 564 565 val32 = rtl8xxxu_read32(priv, REG_RFE_CTRL_ANTA_SRC); 566 val32 &= 0xffffff00; 567 val32 |= 0x77; 568 rtl8xxxu_write32(priv, REG_RFE_CTRL_ANTA_SRC, val32); 569 570 val32 = rtl8xxxu_read32(priv, REG_PWR_DATA); 571 val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN; 572 rtl8xxxu_write32(priv, REG_PWR_DATA, val32); 573} 574 575static int rtl8723bu_iqk_path_a(struct rtl8xxxu_priv *priv) 576{ 577 u32 reg_eac, reg_e94, reg_e9c, path_sel, val32; 578 int result = 0; 579 580 path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH); 581 582 /* 583 * Leave IQK mode 584 */ 585 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 586 val32 &= 0x000000ff; 587 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 588 589 /* 590 * Enable path A PA in TX IQK mode 591 */ 592 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 593 val32 |= 0x80000; 594 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 595 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000); 596 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0003f); 597 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xc7f87); 598 599 /* 600 * Tx IQK setting 601 */ 602 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 603 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 604 605 /* path-A IQK setting */ 606 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c); 607 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); 608 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 609 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 610 611 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821403ea); 612 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000); 613 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000); 614 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000); 615 616 /* LO calibration setting */ 617 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911); 618 619 /* 620 * Enter IQK mode 621 */ 622 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 623 val32 &= 0x000000ff; 624 val32 |= 0x80800000; 625 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 626 627 /* 628 * The vendor driver indicates the USB module is always using 629 * S0S1 path 1 for the 8723bu. This may be different for 8192eu 630 */ 631 if (priv->rf_paths > 1) 632 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000); 633 else 634 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280); 635 636 /* 637 * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu. 638 * No trace of this in the 8192eu or 8188eu vendor drivers. 639 */ 640 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800); 641 642 /* One shot, path A LOK & IQK */ 643 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); 644 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 645 646 mdelay(1); 647 648 /* Restore Ant Path */ 649 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel); 650#ifdef RTL8723BU_BT 651 /* GNT_BT = 1 */ 652 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800); 653#endif 654 655 /* 656 * Leave IQK mode 657 */ 658 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 659 val32 &= 0x000000ff; 660 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 661 662 /* Check failed */ 663 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 664 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); 665 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); 666 667 val32 = (reg_e9c >> 16) & 0x3ff; 668 if (val32 & 0x200) 669 val32 = 0x400 - val32; 670 671 if (!(reg_eac & BIT(28)) && 672 ((reg_e94 & 0x03ff0000) != 0x01420000) && 673 ((reg_e9c & 0x03ff0000) != 0x00420000) && 674 ((reg_e94 & 0x03ff0000) < 0x01100000) && 675 ((reg_e94 & 0x03ff0000) > 0x00f00000) && 676 val32 < 0xf) 677 result |= 0x01; 678 else /* If TX not OK, ignore RX */ 679 goto out; 680 681out: 682 return result; 683} 684 685static int rtl8723bu_rx_iqk_path_a(struct rtl8xxxu_priv *priv) 686{ 687 u32 reg_ea4, reg_eac, reg_e94, reg_e9c, path_sel, val32; 688 int result = 0; 689 690 path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH); 691 692 /* 693 * Leave IQK mode 694 */ 695 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 696 val32 &= 0x000000ff; 697 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 698 699 /* 700 * Enable path A PA in TX IQK mode 701 */ 702 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 703 val32 |= 0x80000; 704 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 705 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); 706 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f); 707 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7); 708 709 /* 710 * Tx IQK setting 711 */ 712 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 713 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 714 715 /* path-A IQK setting */ 716 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c); 717 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); 718 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 719 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 720 721 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160ff0); 722 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000); 723 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000); 724 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000); 725 726 /* LO calibration setting */ 727 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911); 728 729 /* 730 * Enter IQK mode 731 */ 732 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 733 val32 &= 0x000000ff; 734 val32 |= 0x80800000; 735 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 736 737 /* 738 * The vendor driver indicates the USB module is always using 739 * S0S1 path 1 for the 8723bu. This may be different for 8192eu 740 */ 741 if (priv->rf_paths > 1) 742 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000); 743 else 744 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280); 745 746 /* 747 * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu. 748 * No trace of this in the 8192eu or 8188eu vendor drivers. 749 */ 750 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800); 751 752 /* One shot, path A LOK & IQK */ 753 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); 754 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 755 756 mdelay(1); 757 758 /* Restore Ant Path */ 759 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel); 760#ifdef RTL8723BU_BT 761 /* GNT_BT = 1 */ 762 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800); 763#endif 764 765 /* 766 * Leave IQK mode 767 */ 768 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 769 val32 &= 0x000000ff; 770 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 771 772 /* Check failed */ 773 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 774 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); 775 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); 776 777 val32 = (reg_e9c >> 16) & 0x3ff; 778 if (val32 & 0x200) 779 val32 = 0x400 - val32; 780 781 if (!(reg_eac & BIT(28)) && 782 ((reg_e94 & 0x03ff0000) != 0x01420000) && 783 ((reg_e9c & 0x03ff0000) != 0x00420000) && 784 ((reg_e94 & 0x03ff0000) < 0x01100000) && 785 ((reg_e94 & 0x03ff0000) > 0x00f00000) && 786 val32 < 0xf) 787 result |= 0x01; 788 else /* If TX not OK, ignore RX */ 789 goto out; 790 791 val32 = 0x80007c00 | (reg_e94 &0x3ff0000) | 792 ((reg_e9c & 0x3ff0000) >> 16); 793 rtl8xxxu_write32(priv, REG_TX_IQK, val32); 794 795 /* 796 * Modify RX IQK mode 797 */ 798 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 799 val32 &= 0x000000ff; 800 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 801 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 802 val32 |= 0x80000; 803 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 804 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); 805 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f); 806 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7d77); 807 808 /* 809 * PA, PAD setting 810 */ 811 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0xf80); 812 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55, 0x4021f); 813 814 /* 815 * RX IQK setting 816 */ 817 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 818 819 /* path-A IQK setting */ 820 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c); 821 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c); 822 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c); 823 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c); 824 825 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82110000); 826 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x2816001f); 827 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000); 828 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000); 829 830 /* LO calibration setting */ 831 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a8d1); 832 833 /* 834 * Enter IQK mode 835 */ 836 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 837 val32 &= 0x000000ff; 838 val32 |= 0x80800000; 839 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 840 841 if (priv->rf_paths > 1) 842 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000); 843 else 844 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280); 845 846 /* 847 * Disable BT 848 */ 849 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800); 850 851 /* One shot, path A LOK & IQK */ 852 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); 853 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 854 855 mdelay(1); 856 857 /* Restore Ant Path */ 858 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel); 859#ifdef RTL8723BU_BT 860 /* GNT_BT = 1 */ 861 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800); 862#endif 863 864 /* 865 * Leave IQK mode 866 */ 867 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 868 val32 &= 0x000000ff; 869 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 870 871 /* Check failed */ 872 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 873 reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2); 874 875 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x780); 876 877 val32 = (reg_eac >> 16) & 0x3ff; 878 if (val32 & 0x200) 879 val32 = 0x400 - val32; 880 881 if (!(reg_eac & BIT(27)) && 882 ((reg_ea4 & 0x03ff0000) != 0x01320000) && 883 ((reg_eac & 0x03ff0000) != 0x00360000) && 884 ((reg_ea4 & 0x03ff0000) < 0x01100000) && 885 ((reg_ea4 & 0x03ff0000) > 0x00f00000) && 886 val32 < 0xf) 887 result |= 0x02; 888 else /* If TX not OK, ignore RX */ 889 goto out; 890out: 891 return result; 892} 893 894static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv, 895 int result[][8], int t) 896{ 897 struct device *dev = &priv->udev->dev; 898 u32 i, val32; 899 int path_a_ok /*, path_b_ok */; 900 int retry = 2; 901 static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = { 902 REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH, 903 REG_RX_WAIT_CCA, REG_TX_CCK_RFON, 904 REG_TX_CCK_BBON, REG_TX_OFDM_RFON, 905 REG_TX_OFDM_BBON, REG_TX_TO_RX, 906 REG_TX_TO_TX, REG_RX_CCK, 907 REG_RX_OFDM, REG_RX_WAIT_RIFS, 908 REG_RX_TO_RX, REG_STANDBY, 909 REG_SLEEP, REG_PMPD_ANAEN 910 }; 911 static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = { 912 REG_TXPAUSE, REG_BEACON_CTRL, 913 REG_BEACON_CTRL_1, REG_GPIO_MUXCFG 914 }; 915 static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = { 916 REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR, 917 REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B, 918 REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE, 919 REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE 920 }; 921 u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff; 922 u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff; 923 924 /* 925 * Note: IQ calibration must be performed after loading 926 * PHY_REG.txt , and radio_a, radio_b.txt 927 */ 928 929 if (t == 0) { 930 /* Save ADDA parameters, turn Path A ADDA on */ 931 rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup, 932 RTL8XXXU_ADDA_REGS); 933 rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 934 rtl8xxxu_save_regs(priv, iqk_bb_regs, 935 priv->bb_backup, RTL8XXXU_BB_REGS); 936 } 937 938 rtl8xxxu_path_adda_on(priv, adda_regs, true); 939 940 /* MAC settings */ 941 rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup); 942 943 val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING); 944 val32 |= 0x0f000000; 945 rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32); 946 947 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600); 948 rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4); 949 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000); 950 951 /* 952 * RX IQ calibration setting for 8723B D cut large current issue 953 * when leaving IPS 954 */ 955 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 956 val32 &= 0x000000ff; 957 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 958 959 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 960 val32 |= 0x80000; 961 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 962 963 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); 964 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f); 965 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7); 966 967 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED); 968 val32 |= 0x20; 969 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32); 970 971 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_43, 0x60fbd); 972 973 for (i = 0; i < retry; i++) { 974 path_a_ok = rtl8723bu_iqk_path_a(priv); 975 if (path_a_ok == 0x01) { 976 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 977 val32 &= 0x000000ff; 978 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 979 980 val32 = rtl8xxxu_read32(priv, 981 REG_TX_POWER_BEFORE_IQK_A); 982 result[t][0] = (val32 >> 16) & 0x3ff; 983 val32 = rtl8xxxu_read32(priv, 984 REG_TX_POWER_AFTER_IQK_A); 985 result[t][1] = (val32 >> 16) & 0x3ff; 986 987 break; 988 } 989 } 990 991 if (!path_a_ok) 992 dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__); 993 994 for (i = 0; i < retry; i++) { 995 path_a_ok = rtl8723bu_rx_iqk_path_a(priv); 996 if (path_a_ok == 0x03) { 997 val32 = rtl8xxxu_read32(priv, 998 REG_RX_POWER_BEFORE_IQK_A_2); 999 result[t][2] = (val32 >> 16) & 0x3ff; 1000 val32 = rtl8xxxu_read32(priv, 1001 REG_RX_POWER_AFTER_IQK_A_2); 1002 result[t][3] = (val32 >> 16) & 0x3ff; 1003 1004 break; 1005 } 1006 } 1007 1008 if (!path_a_ok) 1009 dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__); 1010 1011 if (priv->tx_paths > 1) { 1012#if 1 1013 dev_warn(dev, "%s: Path B not supported\n", __func__); 1014#else 1015 1016 /* 1017 * Path A into standby 1018 */ 1019 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 1020 val32 &= 0x000000ff; 1021 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 1022 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000); 1023 1024 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 1025 val32 &= 0x000000ff; 1026 val32 |= 0x80800000; 1027 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 1028 1029 /* Turn Path B ADDA on */ 1030 rtl8xxxu_path_adda_on(priv, adda_regs, false); 1031 1032 for (i = 0; i < retry; i++) { 1033 path_b_ok = rtl8xxxu_iqk_path_b(priv); 1034 if (path_b_ok == 0x03) { 1035 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 1036 result[t][4] = (val32 >> 16) & 0x3ff; 1037 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 1038 result[t][5] = (val32 >> 16) & 0x3ff; 1039 break; 1040 } 1041 } 1042 1043 if (!path_b_ok) 1044 dev_dbg(dev, "%s: Path B IQK failed!\n", __func__); 1045 1046 for (i = 0; i < retry; i++) { 1047 path_b_ok = rtl8723bu_rx_iqk_path_b(priv); 1048 if (path_a_ok == 0x03) { 1049 val32 = rtl8xxxu_read32(priv, 1050 REG_RX_POWER_BEFORE_IQK_B_2); 1051 result[t][6] = (val32 >> 16) & 0x3ff; 1052 val32 = rtl8xxxu_read32(priv, 1053 REG_RX_POWER_AFTER_IQK_B_2); 1054 result[t][7] = (val32 >> 16) & 0x3ff; 1055 break; 1056 } 1057 } 1058 1059 if (!path_b_ok) 1060 dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__); 1061#endif 1062 } 1063 1064 /* Back to BB mode, load original value */ 1065 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 1066 val32 &= 0x000000ff; 1067 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 1068 1069 if (t) { 1070 /* Reload ADDA power saving parameters */ 1071 rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup, 1072 RTL8XXXU_ADDA_REGS); 1073 1074 /* Reload MAC parameters */ 1075 rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 1076 1077 /* Reload BB parameters */ 1078 rtl8xxxu_restore_regs(priv, iqk_bb_regs, 1079 priv->bb_backup, RTL8XXXU_BB_REGS); 1080 1081 /* Restore RX initial gain */ 1082 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1); 1083 val32 &= 0xffffff00; 1084 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50); 1085 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc); 1086 1087 if (priv->tx_paths > 1) { 1088 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1); 1089 val32 &= 0xffffff00; 1090 rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1, 1091 val32 | 0x50); 1092 rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1, 1093 val32 | xb_agc); 1094 } 1095 1096 /* Load 0xe30 IQC default value */ 1097 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00); 1098 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00); 1099 } 1100} 1101 1102static void rtl8723bu_phy_iq_calibrate(struct rtl8xxxu_priv *priv) 1103{ 1104 struct device *dev = &priv->udev->dev; 1105 int result[4][8]; /* last is final result */ 1106 int i, candidate; 1107 bool path_a_ok, path_b_ok; 1108 u32 reg_e94, reg_e9c, reg_ea4, reg_eac; 1109 u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc; 1110 u32 val32, bt_control; 1111 s32 reg_tmp = 0; 1112 bool simu; 1113 1114 rtl8xxxu_gen2_prepare_calibrate(priv, 1); 1115 1116 memset(result, 0, sizeof(result)); 1117 candidate = -1; 1118 1119 path_a_ok = false; 1120 path_b_ok = false; 1121 1122 bt_control = rtl8xxxu_read32(priv, REG_BT_CONTROL_8723BU); 1123 1124 for (i = 0; i < 3; i++) { 1125 rtl8723bu_phy_iqcalibrate(priv, result, i); 1126 1127 if (i == 1) { 1128 simu = rtl8xxxu_gen2_simularity_compare(priv, 1129 result, 0, 1); 1130 if (simu) { 1131 candidate = 0; 1132 break; 1133 } 1134 } 1135 1136 if (i == 2) { 1137 simu = rtl8xxxu_gen2_simularity_compare(priv, 1138 result, 0, 2); 1139 if (simu) { 1140 candidate = 0; 1141 break; 1142 } 1143 1144 simu = rtl8xxxu_gen2_simularity_compare(priv, 1145 result, 1, 2); 1146 if (simu) { 1147 candidate = 1; 1148 } else { 1149 for (i = 0; i < 8; i++) 1150 reg_tmp += result[3][i]; 1151 1152 if (reg_tmp) 1153 candidate = 3; 1154 else 1155 candidate = -1; 1156 } 1157 } 1158 } 1159 1160 for (i = 0; i < 4; i++) { 1161 reg_e94 = result[i][0]; 1162 reg_e9c = result[i][1]; 1163 reg_ea4 = result[i][2]; 1164 reg_eac = result[i][3]; 1165 reg_eb4 = result[i][4]; 1166 reg_ebc = result[i][5]; 1167 reg_ec4 = result[i][6]; 1168 reg_ecc = result[i][7]; 1169 } 1170 1171 if (candidate >= 0) { 1172 reg_e94 = result[candidate][0]; 1173 priv->rege94 = reg_e94; 1174 reg_e9c = result[candidate][1]; 1175 priv->rege9c = reg_e9c; 1176 reg_ea4 = result[candidate][2]; 1177 reg_eac = result[candidate][3]; 1178 reg_eb4 = result[candidate][4]; 1179 priv->regeb4 = reg_eb4; 1180 reg_ebc = result[candidate][5]; 1181 priv->regebc = reg_ebc; 1182 reg_ec4 = result[candidate][6]; 1183 reg_ecc = result[candidate][7]; 1184 dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate); 1185 dev_dbg(dev, 1186 "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n", 1187 __func__, reg_e94, reg_e9c, 1188 reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc); 1189 path_a_ok = true; 1190 path_b_ok = true; 1191 } else { 1192 reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100; 1193 reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0; 1194 } 1195 1196 if (reg_e94 && candidate >= 0) 1197 rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result, 1198 candidate, (reg_ea4 == 0)); 1199 1200 if (priv->tx_paths > 1 && reg_eb4) 1201 rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result, 1202 candidate, (reg_ec4 == 0)); 1203 1204 rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg, 1205 priv->bb_recovery_backup, RTL8XXXU_BB_REGS); 1206 1207 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, bt_control); 1208 1209 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); 1210 val32 |= 0x80000; 1211 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); 1212 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x18000); 1213 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f); 1214 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xe6177); 1215 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED); 1216 val32 |= 0x20; 1217 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32); 1218 rtl8xxxu_write_rfreg(priv, RF_A, 0x43, 0x300bd); 1219 1220 if (priv->rf_paths > 1) 1221 dev_dbg(dev, "%s: 8723BU 2T not supported\n", __func__); 1222 1223 rtl8xxxu_gen2_prepare_calibrate(priv, 0); 1224} 1225 1226static int rtl8723bu_active_to_emu(struct rtl8xxxu_priv *priv) 1227{ 1228 u8 val8; 1229 u16 val16; 1230 u32 val32; 1231 int count, ret = 0; 1232 1233 /* Turn off RF */ 1234 rtl8xxxu_write8(priv, REG_RF_CTRL, 0); 1235 1236 /* Enable rising edge triggering interrupt */ 1237 val16 = rtl8xxxu_read16(priv, REG_GPIO_INTM); 1238 val16 &= ~GPIO_INTM_EDGE_TRIG_IRQ; 1239 rtl8xxxu_write16(priv, REG_GPIO_INTM, val16); 1240 1241 /* Release WLON reset 0x04[16]= 1*/ 1242 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1243 val32 |= APS_FSMCO_WLON_RESET; 1244 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1245 1246 /* 0x0005[1] = 1 turn off MAC by HW state machine*/ 1247 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1248 val8 |= BIT(1); 1249 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1250 1251 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 1252 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1253 if ((val8 & BIT(1)) == 0) 1254 break; 1255 udelay(10); 1256 } 1257 1258 if (!count) { 1259 dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n", 1260 __func__); 1261 ret = -EBUSY; 1262 goto exit; 1263 } 1264 1265 /* Enable BT control XTAL setting */ 1266 val8 = rtl8xxxu_read8(priv, REG_AFE_MISC); 1267 val8 &= ~AFE_MISC_WL_XTAL_CTRL; 1268 rtl8xxxu_write8(priv, REG_AFE_MISC, val8); 1269 1270 /* 0x0000[5] = 1 analog Ips to digital, 1:isolation */ 1271 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL); 1272 val8 |= SYS_ISO_ANALOG_IPS; 1273 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8); 1274 1275 /* 0x0020[0] = 0 disable LDOA12 MACRO block*/ 1276 val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL); 1277 val8 &= ~LDOA15_ENABLE; 1278 rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8); 1279 1280exit: 1281 return ret; 1282} 1283 1284static int rtl8723b_emu_to_active(struct rtl8xxxu_priv *priv) 1285{ 1286 u8 val8; 1287 u32 val32; 1288 int count, ret = 0; 1289 1290 /* 0x20[0] = 1 enable LDOA12 MACRO block for all interface */ 1291 val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL); 1292 val8 |= LDOA15_ENABLE; 1293 rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8); 1294 1295 /* 0x67[0] = 0 to disable BT_GPS_SEL pins*/ 1296 val8 = rtl8xxxu_read8(priv, 0x0067); 1297 val8 &= ~BIT(4); 1298 rtl8xxxu_write8(priv, 0x0067, val8); 1299 1300 mdelay(1); 1301 1302 /* 0x00[5] = 0 release analog Ips to digital, 1:isolation */ 1303 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL); 1304 val8 &= ~SYS_ISO_ANALOG_IPS; 1305 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8); 1306 1307 /* Disable SW LPS 0x04[10]= 0 */ 1308 val32 = rtl8xxxu_read8(priv, REG_APS_FSMCO); 1309 val32 &= ~APS_FSMCO_SW_LPS; 1310 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1311 1312 /* Wait until 0x04[17] = 1 power ready */ 1313 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 1314 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1315 if (val32 & BIT(17)) 1316 break; 1317 1318 udelay(10); 1319 } 1320 1321 if (!count) { 1322 ret = -EBUSY; 1323 goto exit; 1324 } 1325 1326 /* We should be able to optimize the following three entries into one */ 1327 1328 /* Release WLON reset 0x04[16]= 1*/ 1329 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1330 val32 |= APS_FSMCO_WLON_RESET; 1331 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1332 1333 /* Disable HWPDN 0x04[15]= 0*/ 1334 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1335 val32 &= ~APS_FSMCO_HW_POWERDOWN; 1336 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1337 1338 /* Disable WL suspend*/ 1339 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1340 val32 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE); 1341 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1342 1343 /* Set, then poll until 0 */ 1344 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1345 val32 |= APS_FSMCO_MAC_ENABLE; 1346 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32); 1347 1348 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 1349 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); 1350 if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) { 1351 ret = 0; 1352 break; 1353 } 1354 udelay(10); 1355 } 1356 1357 if (!count) { 1358 ret = -EBUSY; 1359 goto exit; 1360 } 1361 1362 /* Enable WL control XTAL setting */ 1363 val8 = rtl8xxxu_read8(priv, REG_AFE_MISC); 1364 val8 |= AFE_MISC_WL_XTAL_CTRL; 1365 rtl8xxxu_write8(priv, REG_AFE_MISC, val8); 1366 1367 /* Enable falling edge triggering interrupt */ 1368 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 1); 1369 val8 |= BIT(1); 1370 rtl8xxxu_write8(priv, REG_GPIO_INTM + 1, val8); 1371 1372 /* Enable GPIO9 interrupt mode */ 1373 val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2 + 1); 1374 val8 |= BIT(1); 1375 rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2 + 1, val8); 1376 1377 /* Enable GPIO9 input mode */ 1378 val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2); 1379 val8 &= ~BIT(1); 1380 rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2, val8); 1381 1382 /* Enable HSISR GPIO[C:0] interrupt */ 1383 val8 = rtl8xxxu_read8(priv, REG_HSIMR); 1384 val8 |= BIT(0); 1385 rtl8xxxu_write8(priv, REG_HSIMR, val8); 1386 1387 /* Enable HSISR GPIO9 interrupt */ 1388 val8 = rtl8xxxu_read8(priv, REG_HSIMR + 2); 1389 val8 |= BIT(1); 1390 rtl8xxxu_write8(priv, REG_HSIMR + 2, val8); 1391 1392 val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL); 1393 val8 |= MULTI_WIFI_HW_ROF_EN; 1394 rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL, val8); 1395 1396 /* For GPIO9 internal pull high setting BIT(14) */ 1397 val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL + 1); 1398 val8 |= BIT(6); 1399 rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL + 1, val8); 1400 1401exit: 1402 return ret; 1403} 1404 1405static int rtl8723bu_power_on(struct rtl8xxxu_priv *priv) 1406{ 1407 u8 val8; 1408 u16 val16; 1409 u32 val32; 1410 int ret; 1411 1412 rtl8xxxu_disabled_to_emu(priv); 1413 1414 ret = rtl8723b_emu_to_active(priv); 1415 if (ret) 1416 goto exit; 1417 1418 /* 1419 * Enable MAC DMA/WMAC/SCHEDULE/SEC block 1420 * Set CR bit10 to enable 32k calibration. 1421 */ 1422 val16 = rtl8xxxu_read16(priv, REG_CR); 1423 val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE | 1424 CR_TXDMA_ENABLE | CR_RXDMA_ENABLE | 1425 CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE | 1426 CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE | 1427 CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE); 1428 rtl8xxxu_write16(priv, REG_CR, val16); 1429 1430 /* 1431 * BT coexist power on settings. This is identical for 1 and 2 1432 * antenna parts. 1433 */ 1434 rtl8xxxu_write8(priv, REG_PAD_CTRL1 + 3, 0x20); 1435 1436 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 1437 val16 |= SYS_FUNC_BBRSTB | SYS_FUNC_BB_GLB_RSTN; 1438 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 1439 1440 rtl8xxxu_write8(priv, REG_BT_CONTROL_8723BU + 1, 0x18); 1441 rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04); 1442 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00); 1443 /* Antenna inverse */ 1444 rtl8xxxu_write8(priv, 0xfe08, 0x01); 1445 1446 val16 = rtl8xxxu_read16(priv, REG_PWR_DATA); 1447 val16 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN; 1448 rtl8xxxu_write16(priv, REG_PWR_DATA, val16); 1449 1450 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); 1451 val32 |= LEDCFG0_DPDT_SELECT; 1452 rtl8xxxu_write32(priv, REG_LEDCFG0, val32); 1453 1454 val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1); 1455 val8 &= ~PAD_CTRL1_SW_DPDT_SEL_DATA; 1456 rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8); 1457exit: 1458 return ret; 1459} 1460 1461static void rtl8723bu_power_off(struct rtl8xxxu_priv *priv) 1462{ 1463 u8 val8; 1464 u16 val16; 1465 1466 rtl8xxxu_flush_fifo(priv); 1467 1468 /* 1469 * Disable TX report timer 1470 */ 1471 val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL); 1472 val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE; 1473 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); 1474 1475 rtl8xxxu_write8(priv, REG_CR, 0x0000); 1476 1477 rtl8xxxu_active_to_lps(priv); 1478 1479 /* Reset Firmware if running in RAM */ 1480 if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL) 1481 rtl8xxxu_firmware_self_reset(priv); 1482 1483 /* Reset MCU */ 1484 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 1485 val16 &= ~SYS_FUNC_CPU_ENABLE; 1486 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 1487 1488 /* Reset MCU ready status */ 1489 rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); 1490 1491 rtl8723bu_active_to_emu(priv); 1492 1493 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 1494 val8 |= BIT(3); /* APS_FSMCO_HW_SUSPEND */ 1495 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 1496 1497 /* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */ 1498 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2); 1499 val8 |= BIT(0); 1500 rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8); 1501} 1502 1503static void rtl8723b_enable_rf(struct rtl8xxxu_priv *priv) 1504{ 1505 struct h2c_cmd h2c; 1506 u32 val32; 1507 u8 val8; 1508 1509 val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA); 1510 val32 |= (BIT(22) | BIT(23)); 1511 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32); 1512 1513 /* 1514 * No indication anywhere as to what 0x0790 does. The 2 antenna 1515 * vendor code preserves bits 6-7 here. 1516 */ 1517 rtl8xxxu_write8(priv, 0x0790, 0x05); 1518 /* 1519 * 0x0778 seems to be related to enabling the number of antennas 1520 * In the vendor driver halbtc8723b2ant_InitHwConfig() sets it 1521 * to 0x03, while halbtc8723b1ant_InitHwConfig() sets it to 0x01 1522 */ 1523 rtl8xxxu_write8(priv, 0x0778, 0x01); 1524 1525 val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG); 1526 val8 |= BIT(5); 1527 rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8); 1528 1529 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_IQADJ_G1, 0x780); 1530 1531 rtl8723bu_write_btreg(priv, 0x3c, 0x15); /* BT TRx Mask on */ 1532 1533 /* 1534 * Set BT grant to low 1535 */ 1536 memset(&h2c, 0, sizeof(struct h2c_cmd)); 1537 h2c.bt_grant.cmd = H2C_8723B_BT_GRANT; 1538 h2c.bt_grant.data = 0; 1539 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_grant)); 1540 1541 /* 1542 * WLAN action by PTA 1543 */ 1544 rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x0c); 1545 1546 /* 1547 * BT select S0/S1 controlled by WiFi 1548 */ 1549 val8 = rtl8xxxu_read8(priv, 0x0067); 1550 val8 |= BIT(5); 1551 rtl8xxxu_write8(priv, 0x0067, val8); 1552 1553 val32 = rtl8xxxu_read32(priv, REG_PWR_DATA); 1554 val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN; 1555 rtl8xxxu_write32(priv, REG_PWR_DATA, val32); 1556 1557 /* 1558 * Bits 6/7 are marked in/out ... but for what? 1559 */ 1560 rtl8xxxu_write8(priv, 0x0974, 0xff); 1561 1562 val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER); 1563 val32 |= (BIT(0) | BIT(1)); 1564 rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32); 1565 1566 rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77); 1567 1568 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); 1569 val32 &= ~BIT(24); 1570 val32 |= BIT(23); 1571 rtl8xxxu_write32(priv, REG_LEDCFG0, val32); 1572 1573 /* 1574 * Fix external switch Main->S1, Aux->S0 1575 */ 1576 val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1); 1577 val8 &= ~BIT(0); 1578 rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8); 1579 1580 memset(&h2c, 0, sizeof(struct h2c_cmd)); 1581 h2c.ant_sel_rsv.cmd = H2C_8723B_ANT_SEL_RSV; 1582 h2c.ant_sel_rsv.ant_inverse = 1; 1583 h2c.ant_sel_rsv.int_switch_type = 0; 1584 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ant_sel_rsv)); 1585 1586 /* 1587 * Different settings per different antenna position. 1588 * Antenna Position: | Normal Inverse 1589 * -------------------------------------------------- 1590 * Antenna switch to BT: | 0x280, 0x00 1591 * Antenna switch to WiFi: | 0x0, 0x280 1592 * Antenna switch to PTA: | 0x200, 0x80 1593 */ 1594 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x80); 1595 1596 /* 1597 * Software control, antenna at WiFi side 1598 */ 1599 rtl8723bu_set_ps_tdma(priv, 0x08, 0x00, 0x00, 0x00, 0x00); 1600 1601 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555); 1602 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555); 1603 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 1604 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 1605 1606 memset(&h2c, 0, sizeof(struct h2c_cmd)); 1607 h2c.bt_info.cmd = H2C_8723B_BT_INFO; 1608 h2c.bt_info.data = BIT(0); 1609 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_info)); 1610 1611 memset(&h2c, 0, sizeof(struct h2c_cmd)); 1612 h2c.ignore_wlan.cmd = H2C_8723B_BT_IGNORE_WLANACT; 1613 h2c.ignore_wlan.data = 0; 1614 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ignore_wlan)); 1615} 1616 1617static void rtl8723bu_init_aggregation(struct rtl8xxxu_priv *priv) 1618{ 1619 u32 agg_rx; 1620 u8 agg_ctrl; 1621 1622 /* 1623 * For now simply disable RX aggregation 1624 */ 1625 agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL); 1626 agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN; 1627 1628 agg_rx = rtl8xxxu_read32(priv, REG_RXDMA_AGG_PG_TH); 1629 agg_rx &= ~RXDMA_USB_AGG_ENABLE; 1630 agg_rx &= ~0xff0f; 1631 1632 rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl); 1633 rtl8xxxu_write32(priv, REG_RXDMA_AGG_PG_TH, agg_rx); 1634} 1635 1636static void rtl8723bu_init_statistics(struct rtl8xxxu_priv *priv) 1637{ 1638 u32 val32; 1639 1640 /* Time duration for NHM unit: 4us, 0x2710=40ms */ 1641 rtl8xxxu_write16(priv, REG_NHM_TIMER_8723B + 2, 0x2710); 1642 rtl8xxxu_write16(priv, REG_NHM_TH9_TH10_8723B + 2, 0xffff); 1643 rtl8xxxu_write32(priv, REG_NHM_TH3_TO_TH0_8723B, 0xffffff52); 1644 rtl8xxxu_write32(priv, REG_NHM_TH7_TO_TH4_8723B, 0xffffffff); 1645 /* TH8 */ 1646 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); 1647 val32 |= 0xff; 1648 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); 1649 /* Enable CCK */ 1650 val32 = rtl8xxxu_read32(priv, REG_NHM_TH9_TH10_8723B); 1651 val32 |= BIT(8) | BIT(9) | BIT(10); 1652 rtl8xxxu_write32(priv, REG_NHM_TH9_TH10_8723B, val32); 1653 /* Max power amongst all RX antennas */ 1654 val32 = rtl8xxxu_read32(priv, REG_OFDM0_FA_RSTC); 1655 val32 |= BIT(7); 1656 rtl8xxxu_write32(priv, REG_OFDM0_FA_RSTC, val32); 1657} 1658 1659static s8 rtl8723b_cck_rssi(struct rtl8xxxu_priv *priv, struct rtl8723au_phy_stats *phy_stats) 1660{ 1661 u8 cck_agc_rpt = phy_stats->cck_agc_rpt_ofdm_cfosho_a; 1662 s8 rx_pwr_all = 0x00; 1663 u8 vga_idx, lna_idx; 1664 1665 lna_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_LNA_IDX_MASK); 1666 vga_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_VGA_IDX_MASK); 1667 1668 switch (lna_idx) { 1669 case 6: 1670 rx_pwr_all = -34 - (2 * vga_idx); 1671 break; 1672 case 4: 1673 rx_pwr_all = -14 - (2 * vga_idx); 1674 break; 1675 case 1: 1676 rx_pwr_all = 6 - (2 * vga_idx); 1677 break; 1678 case 0: 1679 rx_pwr_all = 16 - (2 * vga_idx); 1680 break; 1681 default: 1682 break; 1683 } 1684 1685 return rx_pwr_all; 1686} 1687 1688static int rtl8723bu_led_brightness_set(struct led_classdev *led_cdev, 1689 enum led_brightness brightness) 1690{ 1691 struct rtl8xxxu_priv *priv = container_of(led_cdev, 1692 struct rtl8xxxu_priv, 1693 led_cdev); 1694 u8 ledcfg = rtl8xxxu_read8(priv, REG_LEDCFG2); 1695 1696 ledcfg &= LEDCFG2_DPDT_SELECT; 1697 1698 if (brightness == LED_OFF) 1699 ledcfg |= LEDCFG2_SW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE; 1700 else if (brightness == LED_ON) 1701 ledcfg |= LEDCFG2_SW_LED_CONTROL; 1702 else if (brightness == RTL8XXXU_HW_LED_CONTROL) 1703 ledcfg |= LEDCFG2_HW_LED_CONTROL | LEDCFG2_HW_LED_ENABLE; 1704 1705 rtl8xxxu_write8(priv, REG_LEDCFG2, ledcfg); 1706 1707 return 0; 1708} 1709 1710struct rtl8xxxu_fileops rtl8723bu_fops = { 1711 .identify_chip = rtl8723bu_identify_chip, 1712 .parse_efuse = rtl8723bu_parse_efuse, 1713 .load_firmware = rtl8723bu_load_firmware, 1714 .power_on = rtl8723bu_power_on, 1715 .power_off = rtl8723bu_power_off, 1716 .read_efuse = rtl8xxxu_read_efuse, 1717 .reset_8051 = rtl8723bu_reset_8051, 1718 .llt_init = rtl8xxxu_auto_llt_table, 1719 .init_phy_bb = rtl8723bu_init_phy_bb, 1720 .init_phy_rf = rtl8723bu_init_phy_rf, 1721 .phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection, 1722 .phy_lc_calibrate = rtl8723a_phy_lc_calibrate, 1723 .phy_iq_calibrate = rtl8723bu_phy_iq_calibrate, 1724 .config_channel = rtl8xxxu_gen2_config_channel, 1725 .parse_rx_desc = rtl8xxxu_parse_rxdesc24, 1726 .parse_phystats = rtl8723au_rx_parse_phystats, 1727 .init_aggregation = rtl8723bu_init_aggregation, 1728 .init_statistics = rtl8723bu_init_statistics, 1729 .init_burst = rtl8xxxu_init_burst, 1730 .enable_rf = rtl8723b_enable_rf, 1731 .disable_rf = rtl8xxxu_gen2_disable_rf, 1732 .usb_quirks = rtl8xxxu_gen2_usb_quirks, 1733 .set_tx_power = rtl8723b_set_tx_power, 1734 .update_rate_mask = rtl8xxxu_gen2_update_rate_mask, 1735 .report_connect = rtl8xxxu_gen2_report_connect, 1736 .report_rssi = rtl8xxxu_gen2_report_rssi, 1737 .fill_txdesc = rtl8xxxu_fill_txdesc_v2, 1738 .set_crystal_cap = rtl8723a_set_crystal_cap, 1739 .cck_rssi = rtl8723b_cck_rssi, 1740 .led_classdev_brightness_set = rtl8723bu_led_brightness_set, 1741 .writeN_block_size = 1024, 1742 .tx_desc_size = sizeof(struct rtl8xxxu_txdesc40), 1743 .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24), 1744 .has_s0s1 = 1, 1745 .has_tx_report = 1, 1746 .gen2_thermal_meter = 1, 1747 .needs_full_init = 1, 1748 .init_reg_hmtfr = 1, 1749 .ampdu_max_time = 0x5e, 1750 .ustime_tsf_edca = 0x50, 1751 .max_aggr_num = 0x0c14, 1752 .supports_ap = 1, 1753 .max_macid_num = 128, 1754 .max_sec_cam_num = 64, 1755 .adda_1t_init = 0x01c00014, 1756 .adda_1t_path_on = 0x01c00014, 1757 .adda_2t_path_on_a = 0x01c00014, 1758 .adda_2t_path_on_b = 0x01c00014, 1759 .trxff_boundary = 0x3f7f, 1760 .pbp_rx = PBP_PAGE_SIZE_256, 1761 .pbp_tx = PBP_PAGE_SIZE_256, 1762 .mactable = rtl8723b_mac_init_table, 1763 .total_page_num = TX_TOTAL_PAGE_NUM_8723B, 1764 .page_num_hi = TX_PAGE_NUM_HI_PQ_8723B, 1765 .page_num_lo = TX_PAGE_NUM_LO_PQ_8723B, 1766 .page_num_norm = TX_PAGE_NUM_NORM_PQ_8723B, 1767};
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