1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * RTL8XXXU mac80211 USB driver - 8188f specific subdriver
4  *
5  * Copyright (c) 2022 Bitterblue Smith <rtl8821cerfe2@gmail.com>
6  *
7  * Portions copied from existing rtl8xxxu code:
8  * Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com>
9  *
10  * Portions, notably calibration code:
11  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
12  */
13 
14 #include <linux/init.h>
15 #include <linux/kernel.h>
16 #include <linux/sched.h>
17 #include <linux/errno.h>
18 #include <linux/slab.h>
19 #include <linux/module.h>
20 #include <linux/spinlock.h>
21 #include <linux/list.h>
22 #include <linux/usb.h>
23 #include <linux/netdevice.h>
24 #include <linux/etherdevice.h>
25 #include <linux/ethtool.h>
26 #include <linux/wireless.h>
27 #include <linux/firmware.h>
28 #include <linux/moduleparam.h>
29 #include <net/mac80211.h>
30 #include "rtl8xxxu.h"
31 #include "rtl8xxxu_regs.h"
32 
33 static const struct rtl8xxxu_reg8val rtl8188f_mac_init_table[] = {
34 	{0x024, 0xDF}, {0x025, 0x07}, {0x02B, 0x1C}, {0x283, 0x20},
35 	{0x421, 0x0F}, {0x428, 0x0A}, {0x429, 0x10}, {0x430, 0x00},
36 	{0x431, 0x00}, {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04},
37 	{0x435, 0x05}, {0x436, 0x07}, {0x437, 0x08}, {0x43C, 0x04},
38 	{0x43D, 0x05}, {0x43E, 0x07}, {0x43F, 0x08}, {0x440, 0x5D},
39 	{0x441, 0x01}, {0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00},
40 	{0x446, 0x00}, {0x447, 0x00}, {0x448, 0x00}, {0x449, 0xF0},
41 	{0x44A, 0x0F}, {0x44B, 0x3E}, {0x44C, 0x10}, {0x44D, 0x00},
42 	{0x44E, 0x00}, {0x44F, 0x00}, {0x450, 0x00}, {0x451, 0xF0},
43 	{0x452, 0x0F}, {0x453, 0x00}, {0x456, 0x5E}, {0x460, 0x44},
44 	{0x461, 0x44}, {0x4BC, 0xC0}, {0x4C8, 0xFF}, {0x4C9, 0x08},
45 	{0x4CC, 0xFF}, {0x4CD, 0xFF}, {0x4CE, 0x01}, {0x500, 0x26},
46 	{0x501, 0xA2}, {0x502, 0x2F}, {0x503, 0x00}, {0x504, 0x28},
47 	{0x505, 0xA3}, {0x506, 0x5E}, {0x507, 0x00}, {0x508, 0x2B},
48 	{0x509, 0xA4}, {0x50A, 0x5E}, {0x50B, 0x00}, {0x50C, 0x4F},
49 	{0x50D, 0xA4}, {0x50E, 0x00}, {0x50F, 0x00}, {0x512, 0x1C},
50 	{0x514, 0x0A}, {0x516, 0x0A}, {0x525, 0x4F}, {0x550, 0x10},
51 	{0x551, 0x10}, {0x559, 0x02}, {0x55C, 0x28}, {0x55D, 0xFF},
52 	{0x605, 0x30}, {0x608, 0x0E}, {0x609, 0x2A}, {0x620, 0xFF},
53 	{0x621, 0xFF}, {0x622, 0xFF}, {0x623, 0xFF}, {0x624, 0xFF},
54 	{0x625, 0xFF}, {0x626, 0xFF}, {0x627, 0xFF}, {0x638, 0x28},
55 	{0x63C, 0x0A}, {0x63D, 0x0A}, {0x63E, 0x0E}, {0x63F, 0x0E},
56 	{0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00}, {0x652, 0xC8},
57 	{0x66E, 0x05}, {0x700, 0x21}, {0x701, 0x43}, {0x702, 0x65},
58 	{0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43}, {0x70A, 0x65},
59 	{0x70B, 0x87},
60 	{0xffff, 0xff},
61 };
62 
63 static const struct rtl8xxxu_reg32val rtl8188fu_phy_init_table[] = {
64 	{0x800, 0x80045700}, {0x804, 0x00000001},
65 	{0x808, 0x0000FC00}, {0x80C, 0x0000000A},
66 	{0x810, 0x10001331}, {0x814, 0x020C3D10},
67 	{0x818, 0x00200385}, {0x81C, 0x00000000},
68 	{0x820, 0x01000100}, {0x824, 0x00390204},
69 	{0x828, 0x00000000}, {0x82C, 0x00000000},
70 	{0x830, 0x00000000}, {0x834, 0x00000000},
71 	{0x838, 0x00000000}, {0x83C, 0x00000000},
72 	{0x840, 0x00010000}, {0x844, 0x00000000},
73 	{0x848, 0x00000000}, {0x84C, 0x00000000},
74 	{0x850, 0x00030000}, {0x854, 0x00000000},
75 	{0x858, 0x569A569A}, {0x85C, 0x569A569A},
76 	{0x860, 0x00000130}, {0x864, 0x00000000},
77 	{0x868, 0x00000000}, {0x86C, 0x27272700},
78 	{0x870, 0x00000000}, {0x874, 0x25004000},
79 	{0x878, 0x00000808}, {0x87C, 0x004F0201},
80 	{0x880, 0xB0000B1E}, {0x884, 0x00000007},
81 	{0x888, 0x00000000}, {0x88C, 0xCCC000C0},
82 	{0x890, 0x00000800}, {0x894, 0xFFFFFFFE},
83 	{0x898, 0x40302010}, {0x89C, 0x00706050},
84 	{0x900, 0x00000000}, {0x904, 0x00000023},
85 	{0x908, 0x00000000}, {0x90C, 0x81121111},
86 	{0x910, 0x00000002}, {0x914, 0x00000201},
87 	{0x948, 0x99000000}, {0x94C, 0x00000010},
88 	{0x950, 0x20003000}, {0x954, 0x4A880000},
89 	{0x958, 0x4BC5D87A}, {0x95C, 0x04EB9B79},
90 	{0x96C, 0x00000003}, {0xA00, 0x00D047C8},
91 	{0xA04, 0x80FF800C}, {0xA08, 0x8C898300},
92 	{0xA0C, 0x2E7F120F}, {0xA10, 0x9500BB78},
93 	{0xA14, 0x1114D028}, {0xA18, 0x00881117},
94 	{0xA1C, 0x89140F00}, {0xA20, 0xD1D80000},
95 	{0xA24, 0x5A7DA0BD}, {0xA28, 0x0000223B},
96 	{0xA2C, 0x00D30000}, {0xA70, 0x101FBF00},
97 	{0xA74, 0x00000007}, {0xA78, 0x00000900},
98 	{0xA7C, 0x225B0606}, {0xA80, 0x218075B1},
99 	{0xA84, 0x00120000}, {0xA88, 0x040C0000},
100 	{0xA8C, 0x12345678}, {0xA90, 0xABCDEF00},
101 	{0xA94, 0x001B1B89}, {0xA98, 0x05100000},
102 	{0xA9C, 0x3F000000}, {0xAA0, 0x00000000},
103 	{0xB2C, 0x00000000}, {0xC00, 0x48071D40},
104 	{0xC04, 0x03A05611}, {0xC08, 0x000000E4},
105 	{0xC0C, 0x6C6C6C6C}, {0xC10, 0x18800000},
106 	{0xC14, 0x40000100}, {0xC18, 0x08800000},
107 	{0xC1C, 0x40000100}, {0xC20, 0x00000000},
108 	{0xC24, 0x00000000}, {0xC28, 0x00000000},
109 	{0xC2C, 0x00000000}, {0xC30, 0x69E9CC4A},
110 	{0xC34, 0x31000040}, {0xC38, 0x21688080},
111 	{0xC3C, 0x00001714}, {0xC40, 0x1F78403F},
112 	{0xC44, 0x00010036}, {0xC48, 0xEC020107},
113 	{0xC4C, 0x007F037F}, {0xC50, 0x69553420},
114 	{0xC54, 0x43BC0094}, {0xC58, 0x00013169},
115 	{0xC5C, 0x00250492}, {0xC60, 0x00000000},
116 	{0xC64, 0x7112848B}, {0xC68, 0x47C07BFF},
117 	{0xC6C, 0x00000036}, {0xC70, 0x2C7F000D},
118 	{0xC74, 0x020600DB}, {0xC78, 0x0000001F},
119 	{0xC7C, 0x00B91612}, {0xC80, 0x390000E4},
120 	{0xC84, 0x11F60000},
121 	{0xC88, 0x40000100}, {0xC8C, 0x20200000},
122 	{0xC90, 0x00091521}, {0xC94, 0x00000000},
123 	{0xC98, 0x00121820}, {0xC9C, 0x00007F7F},
124 	{0xCA0, 0x00000000}, {0xCA4, 0x000300A0},
125 	{0xCA8, 0x00000000}, {0xCAC, 0x00000000},
126 	{0xCB0, 0x00000000}, {0xCB4, 0x00000000},
127 	{0xCB8, 0x00000000}, {0xCBC, 0x28000000},
128 	{0xCC0, 0x00000000}, {0xCC4, 0x00000000},
129 	{0xCC8, 0x00000000}, {0xCCC, 0x00000000},
130 	{0xCD0, 0x00000000}, {0xCD4, 0x00000000},
131 	{0xCD8, 0x64B22427}, {0xCDC, 0x00766932},
132 	{0xCE0, 0x00222222}, {0xCE4, 0x10000000},
133 	{0xCE8, 0x37644302}, {0xCEC, 0x2F97D40C},
134 	{0xD00, 0x04030740}, {0xD04, 0x40020401},
135 	{0xD08, 0x0000907F}, {0xD0C, 0x20010201},
136 	{0xD10, 0xA0633333}, {0xD14, 0x3333BC53},
137 	{0xD18, 0x7A8F5B6F}, {0xD2C, 0xCB979975},
138 	{0xD30, 0x00000000}, {0xD34, 0x80608000},
139 	{0xD38, 0x98000000}, {0xD3C, 0x40127353},
140 	{0xD40, 0x00000000}, {0xD44, 0x00000000},
141 	{0xD48, 0x00000000}, {0xD4C, 0x00000000},
142 	{0xD50, 0x6437140A}, {0xD54, 0x00000000},
143 	{0xD58, 0x00000282}, {0xD5C, 0x30032064},
144 	{0xD60, 0x4653DE68}, {0xD64, 0x04518A3C},
145 	{0xD68, 0x00002101}, {0xD6C, 0x2A201C16},
146 	{0xD70, 0x1812362E}, {0xD74, 0x322C2220},
147 	{0xD78, 0x000E3C24}, {0xE00, 0x2D2D2D2D},
148 	{0xE04, 0x2D2D2D2D}, {0xE08, 0x0390272D},
149 	{0xE10, 0x2D2D2D2D}, {0xE14, 0x2D2D2D2D},
150 	{0xE18, 0x2D2D2D2D}, {0xE1C, 0x2D2D2D2D},
151 	{0xE28, 0x00000000}, {0xE30, 0x1000DC1F},
152 	{0xE34, 0x10008C1F}, {0xE38, 0x02140102},
153 	{0xE3C, 0x681604C2}, {0xE40, 0x01007C00},
154 	{0xE44, 0x01004800}, {0xE48, 0xFB000000},
155 	{0xE4C, 0x000028D1}, {0xE50, 0x1000DC1F},
156 	{0xE54, 0x10008C1F}, {0xE58, 0x02140102},
157 	{0xE5C, 0x28160D05}, {0xE60, 0x00000008},
158 	{0xE60, 0x021400A0}, {0xE64, 0x281600A0},
159 	{0xE6C, 0x01C00010}, {0xE70, 0x01C00010},
160 	{0xE74, 0x02000010}, {0xE78, 0x02000010},
161 	{0xE7C, 0x02000010}, {0xE80, 0x02000010},
162 	{0xE84, 0x01C00010}, {0xE88, 0x02000010},
163 	{0xE8C, 0x01C00010}, {0xED0, 0x01C00010},
164 	{0xED4, 0x01C00010}, {0xED8, 0x01C00010},
165 	{0xEDC, 0x00000010}, {0xEE0, 0x00000010},
166 	{0xEEC, 0x03C00010}, {0xF14, 0x00000003},
167 	{0xF4C, 0x00000000}, {0xF00, 0x00000300},
168 	{0xffff, 0xffffffff},
169 };
170 
171 static const struct rtl8xxxu_reg32val rtl8188f_agc_table[] = {
172 	{0xC78, 0xFC000001}, {0xC78, 0xFB010001},
173 	{0xC78, 0xFA020001}, {0xC78, 0xF9030001},
174 	{0xC78, 0xF8040001}, {0xC78, 0xF7050001},
175 	{0xC78, 0xF6060001}, {0xC78, 0xF5070001},
176 	{0xC78, 0xF4080001}, {0xC78, 0xF3090001},
177 	{0xC78, 0xF20A0001}, {0xC78, 0xF10B0001},
178 	{0xC78, 0xF00C0001}, {0xC78, 0xEF0D0001},
179 	{0xC78, 0xEE0E0001}, {0xC78, 0xED0F0001},
180 	{0xC78, 0xEC100001}, {0xC78, 0xEB110001},
181 	{0xC78, 0xEA120001}, {0xC78, 0xE9130001},
182 	{0xC78, 0xE8140001}, {0xC78, 0xE7150001},
183 	{0xC78, 0xE6160001}, {0xC78, 0xE5170001},
184 	{0xC78, 0xE4180001}, {0xC78, 0xE3190001},
185 	{0xC78, 0xE21A0001}, {0xC78, 0xE11B0001},
186 	{0xC78, 0xE01C0001}, {0xC78, 0xC21D0001},
187 	{0xC78, 0xC11E0001}, {0xC78, 0xC01F0001},
188 	{0xC78, 0xA5200001}, {0xC78, 0xA4210001},
189 	{0xC78, 0xA3220001}, {0xC78, 0xA2230001},
190 	{0xC78, 0xA1240001}, {0xC78, 0xA0250001},
191 	{0xC78, 0x65260001}, {0xC78, 0x64270001},
192 	{0xC78, 0x63280001}, {0xC78, 0x62290001},
193 	{0xC78, 0x612A0001}, {0xC78, 0x442B0001},
194 	{0xC78, 0x432C0001}, {0xC78, 0x422D0001},
195 	{0xC78, 0x412E0001}, {0xC78, 0x402F0001},
196 	{0xC78, 0x21300001}, {0xC78, 0x20310001},
197 	{0xC78, 0x05320001}, {0xC78, 0x04330001},
198 	{0xC78, 0x03340001}, {0xC78, 0x02350001},
199 	{0xC78, 0x01360001}, {0xC78, 0x00370001},
200 	{0xC78, 0x00380001}, {0xC78, 0x00390001},
201 	{0xC78, 0x003A0001}, {0xC78, 0x003B0001},
202 	{0xC78, 0x003C0001}, {0xC78, 0x003D0001},
203 	{0xC78, 0x003E0001}, {0xC78, 0x003F0001},
204 	{0xC50, 0x69553422}, {0xC50, 0x69553420},
205 	{0xffff, 0xffffffff}
206 };
207 
208 static const struct rtl8xxxu_rfregval rtl8188fu_radioa_init_table[] = {
209 	{0x00, 0x00030000}, {0x08, 0x00008400},
210 	{0x18, 0x00000407}, {0x19, 0x00000012},
211 	{0x1B, 0x00001C6C},
212 	{0x1E, 0x00080009}, {0x1F, 0x00000880},
213 	{0x2F, 0x0001A060}, {0x3F, 0x00028000},
214 	{0x42, 0x000060C0}, {0x57, 0x000D0000},
215 	{0x58, 0x000C0160}, {0x67, 0x00001552},
216 	{0x83, 0x00000000}, {0xB0, 0x000FF9F0},
217 	{0xB1, 0x00022218}, {0xB2, 0x00034C00},
218 	{0xB4, 0x0004484B}, {0xB5, 0x0000112A},
219 	{0xB6, 0x0000053E}, {0xB7, 0x00010408},
220 	{0xB8, 0x00010200}, {0xB9, 0x00080001},
221 	{0xBA, 0x00040001}, {0xBB, 0x00000400},
222 	{0xBF, 0x000C0000}, {0xC2, 0x00002400},
223 	{0xC3, 0x00000009}, {0xC4, 0x00040C91},
224 	{0xC5, 0x00099999}, {0xC6, 0x000000A3},
225 	{0xC7, 0x0008F820}, {0xC8, 0x00076C06},
226 	{0xC9, 0x00000000}, {0xCA, 0x00080000},
227 	{0xDF, 0x00000180}, {0xEF, 0x000001A0},
228 	{0x51, 0x000E8333}, {0x52, 0x000FAC2C},
229 	{0x53, 0x00000103}, {0x56, 0x000517F0},
230 	{0x35, 0x00000099}, {0x35, 0x00000199},
231 	{0x35, 0x00000299}, {0x36, 0x00000064},
232 	{0x36, 0x00008064}, {0x36, 0x00010064},
233 	{0x36, 0x00018064}, {0x18, 0x00000C07},
234 	{0x5A, 0x00048000}, {0x19, 0x000739D0},
235 	{0x34, 0x0000ADD6}, {0x34, 0x00009DD3},
236 	{0x34, 0x00008CF4}, {0x34, 0x00007CF1},
237 	{0x34, 0x00006CEE}, {0x34, 0x00005CEB},
238 	{0x34, 0x00004CCE}, {0x34, 0x00003CCB},
239 	{0x34, 0x00002CC8}, {0x34, 0x00001C4B},
240 	{0x34, 0x00000C48},
241 	{0x00, 0x00030159}, {0x84, 0x00048000},
242 	{0x86, 0x0000002A}, {0x87, 0x00000025},
243 	{0x8E, 0x00065540}, {0x8F, 0x00088000},
244 	{0xEF, 0x000020A0}, {0x3B, 0x000F0F00},
245 	{0x3B, 0x000E0B00}, {0x3B, 0x000D0900},
246 	{0x3B, 0x000C0700}, {0x3B, 0x000B0600},
247 	{0x3B, 0x000A0400}, {0x3B, 0x00090200},
248 	{0x3B, 0x00080000}, {0x3B, 0x0007BF00},
249 	{0x3B, 0x00060B00}, {0x3B, 0x0005C900},
250 	{0x3B, 0x00040700}, {0x3B, 0x00030600},
251 	{0x3B, 0x0002D500}, {0x3B, 0x00010200},
252 	{0x3B, 0x0000E000}, {0xEF, 0x000000A0},
253 	{0xEF, 0x00000010}, {0x3B, 0x0000C0A8},
254 	{0x3B, 0x00010400}, {0xEF, 0x00000000},
255 	{0xEF, 0x00080000}, {0x30, 0x00010000},
256 	{0x31, 0x0000000F}, {0x32, 0x00007EFE},
257 	{0xEF, 0x00000000}, {0x00, 0x00010159},
258 	{0x18, 0x0000FC07}, {0xFE, 0x00000000},
259 	{0xFE, 0x00000000}, {0x1F, 0x00080003},
260 	{0xFE, 0x00000000}, {0xFE, 0x00000000},
261 	{0x1E, 0x00000001}, {0x1F, 0x00080000},
262 	{0x00, 0x00033D95},
263 	{0xff, 0xffffffff}
264 };
265 
266 static const struct rtl8xxxu_rfregval rtl8188fu_cut_b_radioa_init_table[] = {
267 	{0x00, 0x00030000}, {0x08, 0x00008400},
268 	{0x18, 0x00000407}, {0x19, 0x00000012},
269 	{0x1B, 0x00001C6C},
270 	{0x1E, 0x00080009}, {0x1F, 0x00000880},
271 	{0x2F, 0x0001A060}, {0x3F, 0x00028000},
272 	{0x42, 0x000060C0}, {0x57, 0x000D0000},
273 	{0x58, 0x000C0160}, {0x67, 0x00001552},
274 	{0x83, 0x00000000}, {0xB0, 0x000FF9F0},
275 	{0xB1, 0x00022218}, {0xB2, 0x00034C00},
276 	{0xB4, 0x0004484B}, {0xB5, 0x0000112A},
277 	{0xB6, 0x0000053E}, {0xB7, 0x00010408},
278 	{0xB8, 0x00010200}, {0xB9, 0x00080001},
279 	{0xBA, 0x00040001}, {0xBB, 0x00000400},
280 	{0xBF, 0x000C0000}, {0xC2, 0x00002400},
281 	{0xC3, 0x00000009}, {0xC4, 0x00040C91},
282 	{0xC5, 0x00099999}, {0xC6, 0x000000A3},
283 	{0xC7, 0x0008F820}, {0xC8, 0x00076C06},
284 	{0xC9, 0x00000000}, {0xCA, 0x00080000},
285 	{0xDF, 0x00000180}, {0xEF, 0x000001A0},
286 	{0x51, 0x000E8231}, {0x52, 0x000FAC2C},
287 	{0x53, 0x00000141}, {0x56, 0x000517F0},
288 	{0x35, 0x00000090}, {0x35, 0x00000190},
289 	{0x35, 0x00000290}, {0x36, 0x00001064},
290 	{0x36, 0x00009064}, {0x36, 0x00011064},
291 	{0x36, 0x00019064}, {0x18, 0x00000C07},
292 	{0x5A, 0x00048000}, {0x19, 0x000739D0},
293 	{0x34, 0x0000ADD2}, {0x34, 0x00009DD0},
294 	{0x34, 0x00008CF3}, {0x34, 0x00007CF0},
295 	{0x34, 0x00006CED}, {0x34, 0x00005CD2},
296 	{0x34, 0x00004CCF}, {0x34, 0x00003CCC},
297 	{0x34, 0x00002CC9}, {0x34, 0x00001C4C},
298 	{0x34, 0x00000C49},
299 	{0x00, 0x00030159}, {0x84, 0x00048000},
300 	{0x86, 0x0000002A}, {0x87, 0x00000025},
301 	{0x8E, 0x00065540}, {0x8F, 0x00088000},
302 	{0xEF, 0x000020A0}, {0x3B, 0x000F0F00},
303 	{0x3B, 0x000E0B00}, {0x3B, 0x000D0900},
304 	{0x3B, 0x000C0700}, {0x3B, 0x000B0600},
305 	{0x3B, 0x000A0400}, {0x3B, 0x00090200},
306 	{0x3B, 0x00080000}, {0x3B, 0x0007BF00},
307 	{0x3B, 0x00060B00}, {0x3B, 0x0005C900},
308 	{0x3B, 0x00040700}, {0x3B, 0x00030600},
309 	{0x3B, 0x0002D500}, {0x3B, 0x00010200},
310 	{0x3B, 0x0000E000}, {0xEF, 0x000000A0},
311 	{0xEF, 0x00000010}, {0x3B, 0x0000C0A8},
312 	{0x3B, 0x00010400}, {0xEF, 0x00000000},
313 	{0xEF, 0x00080000}, {0x30, 0x00010000},
314 	{0x31, 0x0000000F}, {0x32, 0x00007EFE},
315 	{0xEF, 0x00000000}, {0x00, 0x00010159},
316 	{0x18, 0x0000FC07}, {0xFE, 0x00000000},
317 	{0xFE, 0x00000000}, {0x1F, 0x00080003},
318 	{0xFE, 0x00000000}, {0xFE, 0x00000000},
319 	{0x1E, 0x00000001}, {0x1F, 0x00080000},
320 	{0x00, 0x00033D95},
321 	{0xff, 0xffffffff}
322 };
323 
324 static int rtl8188fu_identify_chip(struct rtl8xxxu_priv *priv)
325 {
326 	struct device *dev = &priv->udev->dev;
327 	u32 sys_cfg, vendor;
328 	int ret = 0;
329 
330 	strscpy(priv->chip_name, "8188FU", sizeof(priv->chip_name));
331 	priv->rtl_chip = RTL8188F;
332 	priv->rf_paths = 1;
333 	priv->rx_paths = 1;
334 	priv->tx_paths = 1;
335 	priv->has_wifi = 1;
336 
337 	sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
338 	priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
339 	if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
340 		dev_info(dev, "Unsupported test chip\n");
341 		ret = -ENOTSUPP;
342 		goto out;
343 	}
344 
345 	vendor = sys_cfg & SYS_CFG_VENDOR_EXT_MASK;
346 	rtl8xxxu_identify_vendor_2bits(priv, vendor);
347 
348 	ret = rtl8xxxu_config_endpoints_no_sie(priv);
349 
350 out:
351 	return ret;
352 }
353 
354 void rtl8188f_channel_to_group(int channel, int *group, int *cck_group)
355 {
356 	if (channel < 3)
357 		*group = 0;
358 	else if (channel < 6)
359 		*group = 1;
360 	else if (channel < 9)
361 		*group = 2;
362 	else if (channel < 12)
363 		*group = 3;
364 	else
365 		*group = 4;
366 
367 	if (channel == 14)
368 		*cck_group = 5;
369 	else
370 		*cck_group = *group;
371 }
372 
373 void
374 rtl8188f_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
375 {
376 	u32 val32, ofdm, mcs;
377 	u8 cck, ofdmbase, mcsbase;
378 	int group, cck_group;
379 
380 	rtl8188f_channel_to_group(channel, &group, &cck_group);
381 
382 	cck = priv->cck_tx_power_index_A[cck_group];
383 
384 	val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
385 	val32 &= 0xffff00ff;
386 	val32 |= (cck << 8);
387 	rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
388 
389 	val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
390 	val32 &= 0xff;
391 	val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
392 	rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
393 
394 	ofdmbase = priv->ht40_1s_tx_power_index_A[group];
395 	ofdmbase += priv->ofdm_tx_power_diff[0].a;
396 	ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24;
397 
398 	rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
399 	rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
400 
401 	mcsbase = priv->ht40_1s_tx_power_index_A[group];
402 	if (ht40)
403 		/* This diff is always 0 - not used in 8188FU. */
404 		mcsbase += priv->ht40_tx_power_diff[0].a;
405 	else
406 		mcsbase += priv->ht20_tx_power_diff[0].a;
407 	mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
408 
409 	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
410 	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
411 	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, mcs);
412 	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, mcs);
413 }
414 
415 /* A workaround to eliminate the 2400MHz, 2440MHz, 2480MHz spur of 8188F. */
416 static void rtl8188f_spur_calibration(struct rtl8xxxu_priv *priv, u8 channel)
417 {
418 	static const u32 frequencies[14 + 1] = {
419 		[5] = 0xFCCD,
420 		[6] = 0xFC4D,
421 		[7] = 0xFFCD,
422 		[8] = 0xFF4D,
423 		[11] = 0xFDCD,
424 		[13] = 0xFCCD,
425 		[14] = 0xFF9A
426 	};
427 
428 	static const u32 reg_d40[14 + 1] = {
429 		[5] = 0x06000000,
430 		[6] = 0x00000600,
431 		[13] = 0x06000000
432 	};
433 
434 	static const u32 reg_d44[14 + 1] = {
435 		[11] = 0x04000000
436 	};
437 
438 	static const u32 reg_d4c[14 + 1] = {
439 		[7] = 0x06000000,
440 		[8] = 0x00000380,
441 		[14] = 0x00180000
442 	};
443 
444 	const u8 threshold = 0x16;
445 	bool do_notch, hw_ctrl, sw_ctrl, hw_ctrl_s1 = 0, sw_ctrl_s1 = 0;
446 	u32 val32, initial_gain, reg948;
447 
448 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_RX_D_SYNC_PATH);
449 	val32 |= GENMASK(28, 24);
450 	rtl8xxxu_write32(priv, REG_OFDM0_RX_D_SYNC_PATH, val32);
451 
452 	/* enable notch filter */
453 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_RX_D_SYNC_PATH);
454 	val32 |= BIT(9);
455 	rtl8xxxu_write32(priv, REG_OFDM0_RX_D_SYNC_PATH, val32);
456 
457 	if (channel <= 14 && frequencies[channel] > 0) {
458 		reg948 = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
459 		hw_ctrl = reg948 & BIT(6);
460 		sw_ctrl = !hw_ctrl;
461 
462 		if (hw_ctrl) {
463 			val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE);
464 			val32 &= GENMASK(5, 3);
465 			hw_ctrl_s1 = val32 == BIT(3);
466 		} else if (sw_ctrl) {
467 			sw_ctrl_s1 = !(reg948 & BIT(9));
468 		}
469 
470 		if (hw_ctrl_s1 || sw_ctrl_s1) {
471 			initial_gain = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
472 
473 			/* Disable CCK block */
474 			val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
475 			val32 &= ~FPGA_RF_MODE_CCK;
476 			rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
477 
478 			val32 = initial_gain & ~OFDM0_X_AGC_CORE1_IGI_MASK;
479 			val32 |= 0x30;
480 			rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32);
481 
482 			/* disable 3-wire */
483 			rtl8xxxu_write32(priv, REG_FPGA0_ANALOG4, 0xccf000c0);
484 
485 			/* Setup PSD */
486 			rtl8xxxu_write32(priv, REG_FPGA0_PSD_FUNC, frequencies[channel]);
487 
488 			/* Start PSD */
489 			rtl8xxxu_write32(priv, REG_FPGA0_PSD_FUNC, 0x400000 | frequencies[channel]);
490 
491 			msleep(30);
492 
493 			do_notch = rtl8xxxu_read32(priv, REG_FPGA0_PSD_REPORT) >= threshold;
494 
495 			/* turn off PSD */
496 			rtl8xxxu_write32(priv, REG_FPGA0_PSD_FUNC, frequencies[channel]);
497 
498 			/* enable 3-wire */
499 			rtl8xxxu_write32(priv, REG_FPGA0_ANALOG4, 0xccc000c0);
500 
501 			/* Enable CCK block */
502 			val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
503 			val32 |= FPGA_RF_MODE_CCK;
504 			rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
505 
506 			rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, initial_gain);
507 
508 			if (do_notch) {
509 				rtl8xxxu_write32(priv, REG_OFDM1_CSI_FIX_MASK1, reg_d40[channel]);
510 				rtl8xxxu_write32(priv, REG_OFDM1_CSI_FIX_MASK2, reg_d44[channel]);
511 				rtl8xxxu_write32(priv, 0xd48, 0x0);
512 				rtl8xxxu_write32(priv, 0xd4c, reg_d4c[channel]);
513 
514 				/* enable CSI mask */
515 				val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING);
516 				val32 |= BIT(28);
517 				rtl8xxxu_write32(priv, REG_OFDM1_CFO_TRACKING, val32);
518 
519 				return;
520 			}
521 		}
522 	}
523 
524 	/* disable CSI mask function */
525 	val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING);
526 	val32 &= ~BIT(28);
527 	rtl8xxxu_write32(priv, REG_OFDM1_CFO_TRACKING, val32);
528 }
529 
530 static void rtl8188fu_config_channel(struct ieee80211_hw *hw)
531 {
532 	struct rtl8xxxu_priv *priv = hw->priv;
533 	u32 val32;
534 	u8 channel, subchannel;
535 	bool sec_ch_above;
536 
537 	channel = (u8)hw->conf.chandef.chan->hw_value;
538 
539 	/* Set channel */
540 	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG);
541 	val32 &= ~MODE_AG_CHANNEL_MASK;
542 	val32 |= channel;
543 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, val32);
544 
545 	/* Spur calibration */
546 	rtl8188f_spur_calibration(priv, channel);
547 
548 	/* Set bandwidth mode */
549 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
550 	val32 &= ~FPGA_RF_MODE;
551 	val32 |= hw->conf.chandef.width == NL80211_CHAN_WIDTH_40;
552 	rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
553 
554 	val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE);
555 	val32 &= ~FPGA_RF_MODE;
556 	val32 |= hw->conf.chandef.width == NL80211_CHAN_WIDTH_40;
557 	rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32);
558 
559 	/* RXADC CLK */
560 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
561 	val32 |= GENMASK(10, 8);
562 	rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
563 
564 	/* TXDAC CLK */
565 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
566 	val32 |= BIT(14) | BIT(12);
567 	val32 &= ~BIT(13);
568 	rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
569 
570 	/* small BW */
571 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT);
572 	val32 &= ~GENMASK(31, 30);
573 	rtl8xxxu_write32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT, val32);
574 
575 	/* adc buffer clk */
576 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT);
577 	val32 &= ~BIT(29);
578 	val32 |= BIT(28);
579 	rtl8xxxu_write32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT, val32);
580 
581 	/* adc buffer clk */
582 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_AFE);
583 	val32 &= ~BIT(29);
584 	val32 |= BIT(28);
585 	rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_AFE, val32);
586 
587 	val32 = rtl8xxxu_read32(priv, REG_OFDM_RX_DFIR);
588 	val32 &= ~BIT(19);
589 	rtl8xxxu_write32(priv, REG_OFDM_RX_DFIR, val32);
590 
591 	val32 = rtl8xxxu_read32(priv, REG_OFDM_RX_DFIR);
592 	val32 &= ~GENMASK(23, 20);
593 	val32 |= BIT(21);
594 	if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20 ||
595 	    hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
596 		val32 |= BIT(20);
597 	else if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40)
598 		val32 |= BIT(22);
599 	rtl8xxxu_write32(priv, REG_OFDM_RX_DFIR, val32);
600 
601 	if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) {
602 		if (hw->conf.chandef.center_freq1 >
603 		    hw->conf.chandef.chan->center_freq) {
604 			sec_ch_above = 1;
605 			channel += 2;
606 		} else {
607 			sec_ch_above = 0;
608 			channel -= 2;
609 		}
610 
611 		/* Set Control channel to upper or lower. */
612 		val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM);
613 		val32 &= ~CCK0_SIDEBAND;
614 		if (!sec_ch_above)
615 			val32 |= CCK0_SIDEBAND;
616 		rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32);
617 
618 		val32 = rtl8xxxu_read32(priv, REG_DATA_SUBCHANNEL);
619 		val32 &= ~GENMASK(3, 0);
620 		if (sec_ch_above)
621 			subchannel = 2;
622 		else
623 			subchannel = 1;
624 		val32 |= subchannel;
625 		rtl8xxxu_write32(priv, REG_DATA_SUBCHANNEL, val32);
626 
627 		val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET);
628 		val32 &= ~RSR_RSC_BANDWIDTH_40M;
629 		rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32);
630 	}
631 
632 	/* RF TRX_BW */
633 	val32 = channel;
634 	if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20 ||
635 	    hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
636 		val32 |= MODE_AG_BW_20MHZ_8723B;
637 	else if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40)
638 		val32 |= MODE_AG_BW_40MHZ_8723B;
639 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, val32);
640 
641 	/* FILTER BW&RC Corner (ACPR) */
642 	if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20 ||
643 	    hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
644 		val32 = 0x00065;
645 	else if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40)
646 		val32 = 0x00025;
647 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RXG_MIX_SWBW, val32);
648 
649 	if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20 ||
650 	    hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
651 		val32 = 0x0;
652 	else if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40)
653 		val32 = 0x01000;
654 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RX_BB2, val32);
655 
656 	/* RC Corner */
657 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x00140);
658 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RX_G2, 0x01c6c);
659 }
660 
661 static void rtl8188fu_init_aggregation(struct rtl8xxxu_priv *priv)
662 {
663 	u8 agg_ctrl, rxdma_mode, usb_tx_agg_desc_num = 6;
664 	u32 agg_rx, val32;
665 
666 	/* TX aggregation */
667 	val32 = rtl8xxxu_read32(priv, REG_DWBCN0_CTRL_8188F);
668 	val32 &= ~(0xf << 4);
669 	val32 |= usb_tx_agg_desc_num << 4;
670 	rtl8xxxu_write32(priv, REG_DWBCN0_CTRL_8188F, val32);
671 	rtl8xxxu_write8(priv, REG_DWBCN1_CTRL_8723B, usb_tx_agg_desc_num << 1);
672 
673 	/* RX aggregation */
674 	agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL);
675 	agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN;
676 
677 	agg_rx = rtl8xxxu_read32(priv, REG_RXDMA_AGG_PG_TH);
678 	agg_rx &= ~RXDMA_USB_AGG_ENABLE;
679 	agg_rx &= ~0xFF0F; /* reset agg size and timeout */
680 
681 	rxdma_mode = rtl8xxxu_read8(priv, REG_RXDMA_PRO_8723B);
682 	rxdma_mode &= ~BIT(1);
683 
684 	rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
685 	rtl8xxxu_write32(priv, REG_RXDMA_AGG_PG_TH, agg_rx);
686 	rtl8xxxu_write8(priv, REG_RXDMA_PRO_8723B, rxdma_mode);
687 }
688 
689 static void rtl8188fu_init_statistics(struct rtl8xxxu_priv *priv)
690 {
691 	u32 val32;
692 
693 	/* Time duration for NHM unit: 4us, 0xc350=200ms */
694 	rtl8xxxu_write16(priv, REG_NHM_TIMER_8723B + 2, 0xc350);
695 	rtl8xxxu_write16(priv, REG_NHM_TH9_TH10_8723B + 2, 0xffff);
696 	rtl8xxxu_write32(priv, REG_NHM_TH3_TO_TH0_8723B, 0xffffff50);
697 	rtl8xxxu_write32(priv, REG_NHM_TH7_TO_TH4_8723B, 0xffffffff);
698 
699 	/* TH8 */
700 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
701 	val32 |= 0xff;
702 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
703 
704 	/* Enable CCK */
705 	val32 = rtl8xxxu_read32(priv, REG_NHM_TH9_TH10_8723B);
706 	val32 &= ~(BIT(8) | BIT(9) | BIT(10));
707 	val32 |= BIT(8);
708 	rtl8xxxu_write32(priv, REG_NHM_TH9_TH10_8723B, val32);
709 
710 	/* Max power amongst all RX antennas */
711 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_FA_RSTC);
712 	val32 |= BIT(7);
713 	rtl8xxxu_write32(priv, REG_OFDM0_FA_RSTC, val32);
714 }
715 
716 static int rtl8188fu_parse_efuse(struct rtl8xxxu_priv *priv)
717 {
718 	struct rtl8188fu_efuse *efuse = &priv->efuse_wifi.efuse8188fu;
719 
720 	if (efuse->rtl_id != cpu_to_le16(0x8129))
721 		return -EINVAL;
722 
723 	ether_addr_copy(priv->mac_addr, efuse->mac_addr);
724 
725 	memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base,
726 	       sizeof(efuse->tx_power_index_A.cck_base));
727 
728 	memcpy(priv->ht40_1s_tx_power_index_A,
729 	       efuse->tx_power_index_A.ht40_base,
730 	       sizeof(efuse->tx_power_index_A.ht40_base));
731 
732 	priv->ofdm_tx_power_diff[0].a = efuse->tx_power_index_A.ht20_ofdm_1s_diff.a;
733 	priv->ht20_tx_power_diff[0].a = efuse->tx_power_index_A.ht20_ofdm_1s_diff.b;
734 
735 	priv->default_crystal_cap = efuse->xtal_k & 0x3f;
736 
737 	return 0;
738 }
739 
740 static int rtl8188fu_load_firmware(struct rtl8xxxu_priv *priv)
741 {
742 	const char *fw_name;
743 	int ret;
744 
745 	fw_name = "rtlwifi/rtl8188fufw.bin";
746 
747 	ret = rtl8xxxu_load_firmware(priv, fw_name);
748 
749 	return ret;
750 }
751 
752 static void rtl8188fu_init_phy_bb(struct rtl8xxxu_priv *priv)
753 {
754 	u8 val8;
755 	u16 val16;
756 
757 	/* Enable BB and RF */
758 	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
759 	val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF;
760 	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
761 
762 	/*
763 	 * Per vendor driver, run power sequence before init of RF
764 	 */
765 	val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
766 	rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
767 
768 	usleep_range(10, 20);
769 
770 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_IQADJ_G1, 0x780);
771 
772 	val8 = SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_USBA | SYS_FUNC_USBD;
773 	rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
774 
775 	rtl8xxxu_init_phy_regs(priv, rtl8188fu_phy_init_table);
776 	rtl8xxxu_init_phy_regs(priv, rtl8188f_agc_table);
777 }
778 
779 static int rtl8188fu_init_phy_rf(struct rtl8xxxu_priv *priv)
780 {
781 	int ret;
782 
783 	if (priv->chip_cut == 1)
784 		ret = rtl8xxxu_init_phy_rf(priv, rtl8188fu_cut_b_radioa_init_table, RF_A);
785 	else
786 		ret = rtl8xxxu_init_phy_rf(priv, rtl8188fu_radioa_init_table, RF_A);
787 
788 	return ret;
789 }
790 
791 void rtl8188f_phy_lc_calibrate(struct rtl8xxxu_priv *priv)
792 {
793 	u32 val32;
794 	u32 rf_amode, lstf;
795 	int i;
796 
797 	/* Check continuous TX and Packet TX */
798 	lstf = rtl8xxxu_read32(priv, REG_OFDM1_LSTF);
799 
800 	if (lstf & OFDM_LSTF_MASK) {
801 		/* Disable all continuous TX */
802 		val32 = lstf & ~OFDM_LSTF_MASK;
803 		rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32);
804 	} else {
805 		/* Deal with Packet TX case */
806 		/* block all queues */
807 		rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
808 	}
809 
810 	/* Read original RF mode Path A */
811 	rf_amode = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG);
812 
813 	/* Start LC calibration */
814 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, rf_amode | 0x08000);
815 
816 	for (i = 0; i < 100; i++) {
817 		if ((rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG) & 0x08000) == 0)
818 			break;
819 		msleep(10);
820 	}
821 
822 	if (i == 100)
823 		dev_warn(&priv->udev->dev, "LC calibration timed out.\n");
824 
825 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, rf_amode);
826 
827 	/* Restore original parameters */
828 	if (lstf & OFDM_LSTF_MASK)
829 		rtl8xxxu_write32(priv, REG_OFDM1_LSTF, lstf);
830 	else /*  Deal with Packet TX case */
831 		rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
832 }
833 
834 static int rtl8188fu_iqk_path_a(struct rtl8xxxu_priv *priv, u32 *lok_result)
835 {
836 	u32 reg_eac, reg_e94, reg_e9c, val32;
837 	int result = 0;
838 
839 	/*
840 	 * Leave IQK mode
841 	 */
842 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
843 	val32 &= 0x000000ff;
844 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
845 
846 	/*
847 	 * Enable path A PA in TX IQK mode
848 	 */
849 	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
850 	val32 |= 0x80000;
851 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
852 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000);
853 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
854 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0x07ff7);
855 
856 	/* PA,PAD gain adjust */
857 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x980);
858 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_PAD_TXG, 0x5102a);
859 
860 	/* enter IQK mode */
861 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
862 	val32 &= 0x000000ff;
863 	val32 |= 0x80800000;
864 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
865 
866 	/* path-A IQK setting */
867 	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
868 	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
869 
870 	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821403ff);
871 	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160000);
872 
873 	/* LO calibration setting */
874 	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
875 
876 	/* One shot, path A LOK & IQK */
877 	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
878 	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
879 
880 	mdelay(25);
881 
882 	/*
883 	 * Leave IQK mode
884 	 */
885 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
886 	val32 &= 0x000000ff;
887 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
888 
889 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x180);
890 
891 	/* save LOK result */
892 	*lok_result = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_TXM_IDAC);
893 
894 	/* Check failed */
895 	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
896 	reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
897 	reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
898 
899 	if (!(reg_eac & BIT(28)) &&
900 	    ((reg_e94 & 0x03ff0000) != 0x01420000) &&
901 	    ((reg_e9c & 0x03ff0000) != 0x00420000))
902 		result |= 0x01;
903 
904 	return result;
905 }
906 
907 static int rtl8188fu_rx_iqk_path_a(struct rtl8xxxu_priv *priv, u32 lok_result)
908 {
909 	u32 reg_ea4, reg_eac, reg_e94, reg_e9c, val32;
910 	int result = 0;
911 
912 	/*
913 	 * Leave IQK mode
914 	 */
915 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
916 	val32 &= 0x000000ff;
917 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
918 
919 	/*
920 	 * Enable path A PA in TX IQK mode
921 	 */
922 	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
923 	val32 |= 0x80000;
924 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
925 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
926 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
927 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf1173);
928 
929 	/* PA,PAD gain adjust */
930 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x980);
931 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_PAD_TXG, 0x5102a);
932 
933 	/*
934 	 * Enter IQK mode
935 	 */
936 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
937 	val32 &= 0x000000ff;
938 	val32 |= 0x80800000;
939 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
940 
941 	/*
942 	 * Tx IQK setting
943 	 */
944 	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
945 	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
946 
947 	/* path-A IQK setting */
948 	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x10008c1c);
949 	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x30008c1c);
950 
951 	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160fff);
952 	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160000);
953 
954 	/* LO calibration setting */
955 	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
956 
957 	/* One shot, path A LOK & IQK */
958 	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
959 	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
960 
961 	mdelay(25);
962 
963 	/*
964 	 * Leave IQK mode
965 	 */
966 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
967 	val32 &= 0x000000ff;
968 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
969 
970 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x180);
971 
972 	/* Check failed */
973 	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
974 	reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
975 	reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
976 
977 	if (!(reg_eac & BIT(28)) &&
978 	    ((reg_e94 & 0x03ff0000) != 0x01420000) &&
979 	    ((reg_e9c & 0x03ff0000) != 0x00420000))
980 		result |= 0x01;
981 	else /* If TX not OK, ignore RX */
982 		goto out;
983 
984 	val32 = 0x80007c00 | (reg_e94 & 0x3ff0000) |
985 		((reg_e9c & 0x3ff0000) >> 16);
986 	rtl8xxxu_write32(priv, REG_TX_IQK, val32);
987 
988 	/*
989 	 * Modify RX IQK mode table
990 	 */
991 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
992 	val32 &= 0x000000ff;
993 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
994 
995 	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
996 	val32 |= 0x80000;
997 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
998 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
999 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
1000 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7ff2);
1001 
1002 	/*
1003 	 * PA, PAD setting
1004 	 */
1005 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x980);
1006 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_PAD_TXG, 0x51000);
1007 
1008 	/*
1009 	 * Enter IQK mode
1010 	 */
1011 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1012 	val32 &= 0x000000ff;
1013 	val32 |= 0x80800000;
1014 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1015 
1016 	/*
1017 	 * RX IQK setting
1018 	 */
1019 	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1020 
1021 	/* path-A IQK setting */
1022 	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x30008c1c);
1023 	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x10008c1c);
1024 
1025 	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160000);
1026 	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x281613ff);
1027 
1028 	/* LO calibration setting */
1029 	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
1030 
1031 	/* One shot, path A LOK & IQK */
1032 	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
1033 	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
1034 
1035 	mdelay(25);
1036 
1037 	/*
1038 	 * Leave IQK mode
1039 	 */
1040 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1041 	val32 &= 0x000000ff;
1042 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1043 
1044 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x180);
1045 
1046 	/* reload LOK value */
1047 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXM_IDAC, lok_result);
1048 
1049 	/* Check failed */
1050 	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
1051 	reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
1052 
1053 	if (!(reg_eac & BIT(27)) &&
1054 	    ((reg_ea4 & 0x03ff0000) != 0x01320000) &&
1055 	    ((reg_eac & 0x03ff0000) != 0x00360000))
1056 		result |= 0x02;
1057 
1058 out:
1059 	return result;
1060 }
1061 
1062 static void rtl8188fu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
1063 				      int result[][8], int t)
1064 {
1065 	struct device *dev = &priv->udev->dev;
1066 	u32 i, val32, rx_initial_gain, lok_result;
1067 	u32 path_sel_bb, path_sel_rf;
1068 	int path_a_ok;
1069 	int retry = 2;
1070 	static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
1071 		REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
1072 		REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
1073 		REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
1074 		REG_TX_OFDM_BBON, REG_TX_TO_RX,
1075 		REG_TX_TO_TX, REG_RX_CCK,
1076 		REG_RX_OFDM, REG_RX_WAIT_RIFS,
1077 		REG_RX_TO_RX, REG_STANDBY,
1078 		REG_SLEEP, REG_PMPD_ANAEN
1079 	};
1080 	static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
1081 		REG_TXPAUSE, REG_BEACON_CTRL,
1082 		REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
1083 	};
1084 	static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
1085 		REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
1086 		REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
1087 		REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
1088 		REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE
1089 	};
1090 
1091 	/*
1092 	 * Note: IQ calibration must be performed after loading
1093 	 *       PHY_REG.txt , and radio_a, radio_b.txt
1094 	 */
1095 
1096 	rx_initial_gain = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1097 
1098 	if (t == 0) {
1099 		/* Save ADDA parameters, turn Path A ADDA on */
1100 		rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
1101 				   RTL8XXXU_ADDA_REGS);
1102 		rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1103 		rtl8xxxu_save_regs(priv, iqk_bb_regs,
1104 				   priv->bb_backup, RTL8XXXU_BB_REGS);
1105 	}
1106 
1107 	rtl8xxxu_path_adda_on(priv, adda_regs, true);
1108 
1109 	if (t == 0) {
1110 		val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM1);
1111 		priv->pi_enabled = u32_get_bits(val32, FPGA0_HSSI_PARM1_PI);
1112 	}
1113 
1114 	/* save RF path */
1115 	path_sel_bb = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
1116 	path_sel_rf = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_S0S1);
1117 
1118 	/* BB setting */
1119 	rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
1120 	rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
1121 	rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x25204000);
1122 
1123 	/* MAC settings */
1124 	val32 = rtl8xxxu_read32(priv, REG_TX_PTCL_CTRL);
1125 	val32 |= 0x00ff0000;
1126 	rtl8xxxu_write32(priv, REG_TX_PTCL_CTRL, val32);
1127 
1128 	/* IQ calibration setting */
1129 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1130 	val32 &= 0xff;
1131 	val32 |= 0x80800000;
1132 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1133 	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
1134 	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1135 
1136 	for (i = 0; i < retry; i++) {
1137 		path_a_ok = rtl8188fu_iqk_path_a(priv, &lok_result);
1138 		if (path_a_ok == 0x01) {
1139 			val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1140 			val32 &= 0xff;
1141 			rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1142 
1143 			val32 = rtl8xxxu_read32(priv,
1144 						REG_TX_POWER_BEFORE_IQK_A);
1145 			result[t][0] = (val32 >> 16) & 0x3ff;
1146 
1147 			val32 = rtl8xxxu_read32(priv,
1148 						REG_TX_POWER_AFTER_IQK_A);
1149 			result[t][1] = (val32 >> 16) & 0x3ff;
1150 			break;
1151 		}
1152 	}
1153 
1154 	for (i = 0; i < retry; i++) {
1155 		path_a_ok = rtl8188fu_rx_iqk_path_a(priv, lok_result);
1156 		if (path_a_ok == 0x03) {
1157 			val32 = rtl8xxxu_read32(priv,
1158 						REG_RX_POWER_BEFORE_IQK_A_2);
1159 			result[t][2] = (val32 >> 16) & 0x3ff;
1160 
1161 			val32 = rtl8xxxu_read32(priv,
1162 						REG_RX_POWER_AFTER_IQK_A_2);
1163 			result[t][3] = (val32 >> 16) & 0x3ff;
1164 			break;
1165 		}
1166 	}
1167 
1168 	if (!path_a_ok)
1169 		dev_dbg(dev, "%s: Path A IQK failed!\n", __func__);
1170 
1171 	/* Back to BB mode, load original value */
1172 	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1173 	val32 &= 0xff;
1174 	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1175 
1176 	if (t == 0)
1177 		return;
1178 
1179 	if (!priv->pi_enabled) {
1180 		/*
1181 		 * Switch back BB to SI mode after finishing
1182 		 * IQ Calibration
1183 		 */
1184 		val32 = 0x01000000;
1185 		rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, val32);
1186 		rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, val32);
1187 	}
1188 
1189 	/* Reload ADDA power saving parameters */
1190 	rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
1191 			      RTL8XXXU_ADDA_REGS);
1192 
1193 	/* Reload MAC parameters */
1194 	rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1195 
1196 	/* Reload BB parameters */
1197 	rtl8xxxu_restore_regs(priv, iqk_bb_regs,
1198 			      priv->bb_backup, RTL8XXXU_BB_REGS);
1199 
1200 	/* Reload RF path */
1201 	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel_bb);
1202 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, path_sel_rf);
1203 
1204 	/* Restore RX initial gain */
1205 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1206 	val32 &= 0xffffff00;
1207 	val32 |= 0x50;
1208 	rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32);
1209 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1210 	val32 &= 0xffffff00;
1211 	val32 |= rx_initial_gain & 0xff;
1212 	rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32);
1213 
1214 	/* Load 0xe30 IQC default value */
1215 	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
1216 	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
1217 }
1218 
1219 static void rtl8188fu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
1220 {
1221 	struct device *dev = &priv->udev->dev;
1222 	int result[4][8]; /* last is final result */
1223 	int i, candidate;
1224 	bool path_a_ok;
1225 	u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
1226 	u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
1227 	s32 reg_tmp = 0;
1228 	bool simu;
1229 	u32 path_sel_bb, path_sel_rf;
1230 
1231 	/* Save RF path */
1232 	path_sel_bb = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
1233 	path_sel_rf = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_S0S1);
1234 
1235 	memset(result, 0, sizeof(result));
1236 	candidate = -1;
1237 
1238 	path_a_ok = false;
1239 
1240 	for (i = 0; i < 3; i++) {
1241 		rtl8188fu_phy_iqcalibrate(priv, result, i);
1242 
1243 		if (i == 1) {
1244 			simu = rtl8xxxu_gen2_simularity_compare(priv, result, 0, 1);
1245 			if (simu) {
1246 				candidate = 0;
1247 				break;
1248 			}
1249 		}
1250 
1251 		if (i == 2) {
1252 			simu = rtl8xxxu_gen2_simularity_compare(priv, result, 0, 2);
1253 			if (simu) {
1254 				candidate = 0;
1255 				break;
1256 			}
1257 
1258 			simu = rtl8xxxu_gen2_simularity_compare(priv, result, 1, 2);
1259 			if (simu) {
1260 				candidate = 1;
1261 			} else {
1262 				for (i = 0; i < 8; i++)
1263 					reg_tmp += result[3][i];
1264 
1265 				if (reg_tmp)
1266 					candidate = 3;
1267 				else
1268 					candidate = -1;
1269 			}
1270 		}
1271 	}
1272 
1273 	for (i = 0; i < 4; i++) {
1274 		reg_e94 = result[i][0];
1275 		reg_e9c = result[i][1];
1276 		reg_ea4 = result[i][2];
1277 		reg_eac = result[i][3];
1278 		reg_eb4 = result[i][4];
1279 		reg_ebc = result[i][5];
1280 		reg_ec4 = result[i][6];
1281 		reg_ecc = result[i][7];
1282 	}
1283 
1284 	if (candidate >= 0) {
1285 		reg_e94 = result[candidate][0];
1286 		priv->rege94 =  reg_e94;
1287 		reg_e9c = result[candidate][1];
1288 		priv->rege9c = reg_e9c;
1289 		reg_ea4 = result[candidate][2];
1290 		reg_eac = result[candidate][3];
1291 		reg_eb4 = result[candidate][4];
1292 		priv->regeb4 = reg_eb4;
1293 		reg_ebc = result[candidate][5];
1294 		priv->regebc = reg_ebc;
1295 		reg_ec4 = result[candidate][6];
1296 		reg_ecc = result[candidate][7];
1297 		dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
1298 		dev_dbg(dev,
1299 			"%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n",
1300 			__func__, reg_e94, reg_e9c,
1301 			reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
1302 		path_a_ok = true;
1303 	} else {
1304 		reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
1305 		reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
1306 	}
1307 
1308 	if (reg_e94 && candidate >= 0)
1309 		rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
1310 					   candidate, (reg_ea4 == 0));
1311 
1312 	rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
1313 			   priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
1314 
1315 	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel_bb);
1316 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, path_sel_rf);
1317 }
1318 
1319 static void rtl8188f_disabled_to_emu(struct rtl8xxxu_priv *priv)
1320 {
1321 	u16 val8;
1322 
1323 	/* 0x04[12:11] = 2b'01enable WL suspend */
1324 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1325 	val8 &= ~((APS_FSMCO_PCIE | APS_FSMCO_HW_SUSPEND) >> 8);
1326 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1327 
1328 	/* 0xC4[4] <= 1, turn off USB APHY LDO under suspend mode */
1329 	val8 = rtl8xxxu_read8(priv, 0xc4);
1330 	val8 &= ~BIT(4);
1331 	rtl8xxxu_write8(priv, 0xc4, val8);
1332 }
1333 
1334 static int rtl8188f_emu_to_active(struct rtl8xxxu_priv *priv)
1335 {
1336 	u8 val8;
1337 	u32 val32;
1338 	int count, ret = 0;
1339 
1340 	/* Disable SW LPS */
1341 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1342 	val8 &= ~(APS_FSMCO_SW_LPS >> 8);
1343 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1344 
1345 	/* wait till 0x04[17] = 1 power ready */
1346 	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1347 		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1348 		if (val32 & BIT(17))
1349 			break;
1350 
1351 		udelay(10);
1352 	}
1353 
1354 	if (!count) {
1355 		ret = -EBUSY;
1356 		goto exit;
1357 	}
1358 
1359 	/* Disable HWPDN */
1360 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1361 	val8 &= ~(APS_FSMCO_HW_POWERDOWN >> 8);
1362 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1363 
1364 	/* Disable WL suspend */
1365 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1366 	val8 &= ~(APS_FSMCO_HW_SUSPEND >> 8);
1367 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1368 
1369 	/* set, then poll until 0 */
1370 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1371 	val8 |= APS_FSMCO_MAC_ENABLE >> 8;
1372 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1373 
1374 	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1375 		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1376 		if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
1377 			ret = 0;
1378 			break;
1379 		}
1380 		udelay(10);
1381 	}
1382 
1383 	if (!count) {
1384 		ret = -EBUSY;
1385 		goto exit;
1386 	}
1387 
1388 	/* 0x27<=35 to reduce RF noise */
1389 	val8 = rtl8xxxu_write8(priv, 0x27, 0x35);
1390 exit:
1391 	return ret;
1392 }
1393 
1394 static int rtl8188fu_active_to_emu(struct rtl8xxxu_priv *priv)
1395 {
1396 	u8 val8;
1397 	u32 val32;
1398 	int count, ret = 0;
1399 
1400 	/* Turn off RF */
1401 	rtl8xxxu_write8(priv, REG_RF_CTRL, 0);
1402 
1403 	/* 0x4C[23] = 0x4E[7] = 0, switch DPDT_SEL_P output from register 0x65[2] */
1404 	val8 = rtl8xxxu_read8(priv, 0x4e);
1405 	val8 &= ~BIT(7);
1406 	rtl8xxxu_write8(priv, 0x4e, val8);
1407 
1408 	/* 0x27 <= 34, xtal_qsel = 0 to xtal bring up */
1409 	rtl8xxxu_write8(priv, 0x27, 0x34);
1410 
1411 	/* 0x04[9] = 1 turn off MAC by HW state machine */
1412 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1413 	val8 |= APS_FSMCO_MAC_OFF >> 8;
1414 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1415 
1416 	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1417 		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1418 		if ((val32 & APS_FSMCO_MAC_OFF) == 0) {
1419 			ret = 0;
1420 			break;
1421 		}
1422 		udelay(10);
1423 	}
1424 
1425 	if (!count) {
1426 		ret = -EBUSY;
1427 		goto exit;
1428 	}
1429 
1430 exit:
1431 	return ret;
1432 }
1433 
1434 static int rtl8188fu_emu_to_disabled(struct rtl8xxxu_priv *priv)
1435 {
1436 	u8 val8;
1437 
1438 	/* 0x04[12:11] = 2b'01 enable WL suspend */
1439 	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1440 	val8 &= ~((APS_FSMCO_PCIE | APS_FSMCO_HW_SUSPEND) >> 8);
1441 	val8 |= APS_FSMCO_HW_SUSPEND >> 8;
1442 	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1443 
1444 	/* 0xC4[4] <= 1, turn off USB APHY LDO under suspend mode */
1445 	val8 = rtl8xxxu_read8(priv, 0xc4);
1446 	val8 |= BIT(4);
1447 	rtl8xxxu_write8(priv, 0xc4, val8);
1448 
1449 	return 0;
1450 }
1451 
1452 static int rtl8188fu_active_to_lps(struct rtl8xxxu_priv *priv)
1453 {
1454 	struct device *dev = &priv->udev->dev;
1455 	u8 val8;
1456 	u16 val16;
1457 	u32 val32;
1458 	int retry, retval;
1459 
1460 	/* set RPWM IMR */
1461 	val8 = rtl8xxxu_read8(priv, REG_FTIMR + 1);
1462 	val8 |= IMR0_CPWM >> 8;
1463 	rtl8xxxu_write8(priv, REG_FTIMR + 1, val8);
1464 
1465 	/* Tx Pause */
1466 	rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
1467 
1468 	retry = 100;
1469 	retval = -EBUSY;
1470 
1471 	/*
1472 	 * Poll 32 bit wide REG_SCH_TX_CMD for 0x00000000 to ensure no TX is pending.
1473 	 */
1474 	do {
1475 		val32 = rtl8xxxu_read32(priv, REG_SCH_TX_CMD);
1476 		if (!val32) {
1477 			retval = 0;
1478 			break;
1479 		}
1480 	} while (retry--);
1481 
1482 	if (!retry) {
1483 		dev_warn(dev, "Failed to flush TX queue\n");
1484 		retval = -EBUSY;
1485 		goto out;
1486 	}
1487 
1488 	/* Disable CCK and OFDM, clock gated */
1489 	val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
1490 	val8 &= ~SYS_FUNC_BBRSTB;
1491 	rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
1492 
1493 	udelay(2);
1494 
1495 	/* Whole BB is reset */
1496 	val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
1497 	val8 &= ~SYS_FUNC_BB_GLB_RSTN;
1498 	rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
1499 
1500 	/* Reset MAC TRX */
1501 	val16 = rtl8xxxu_read16(priv, REG_CR);
1502 	val16 |= 0x3f;
1503 	val16 &= ~(CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE | CR_SECURITY_ENABLE);
1504 	rtl8xxxu_write16(priv, REG_CR, val16);
1505 
1506 	/* Respond TxOK to scheduler */
1507 	val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST);
1508 	val8 |= DUAL_TSF_TX_OK;
1509 	rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8);
1510 
1511 out:
1512 	return retval;
1513 }
1514 
1515 static int rtl8188fu_power_on(struct rtl8xxxu_priv *priv)
1516 {
1517 	u16 val16;
1518 	int ret;
1519 
1520 	rtl8188f_disabled_to_emu(priv);
1521 
1522 	ret = rtl8188f_emu_to_active(priv);
1523 	if (ret)
1524 		goto exit;
1525 
1526 	rtl8xxxu_write8(priv, REG_CR, 0);
1527 
1528 	val16 = rtl8xxxu_read16(priv, REG_CR);
1529 
1530 	val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
1531 		 CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
1532 		 CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
1533 		 CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
1534 	rtl8xxxu_write16(priv, REG_CR, val16);
1535 
1536 exit:
1537 	return ret;
1538 }
1539 
1540 static void rtl8188fu_power_off(struct rtl8xxxu_priv *priv)
1541 {
1542 	u8 val8;
1543 	u16 val16;
1544 
1545 	rtl8xxxu_flush_fifo(priv);
1546 
1547 	val16 = rtl8xxxu_read16(priv, REG_GPIO_MUXCFG);
1548 	val16 &= ~BIT(12);
1549 	rtl8xxxu_write16(priv, REG_GPIO_MUXCFG, val16);
1550 
1551 	rtl8xxxu_write32(priv, REG_HISR0, 0xFFFFFFFF);
1552 	rtl8xxxu_write32(priv, REG_HISR1, 0xFFFFFFFF);
1553 
1554 	/* Stop Tx Report Timer. 0x4EC[Bit1]=b'0 */
1555 	val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
1556 	val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
1557 	rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
1558 
1559 	/* Turn off RF */
1560 	rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00);
1561 
1562 	/* Reset Firmware if running in RAM */
1563 	if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
1564 		rtl8xxxu_firmware_self_reset(priv);
1565 
1566 	rtl8188fu_active_to_lps(priv);
1567 
1568 	/* Reset MCU */
1569 	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1570 	val16 &= ~SYS_FUNC_CPU_ENABLE;
1571 	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1572 
1573 	/* Reset MCU ready status */
1574 	rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
1575 
1576 	rtl8188fu_active_to_emu(priv);
1577 	rtl8188fu_emu_to_disabled(priv);
1578 }
1579 
1580 #define PPG_BB_GAIN_2G_TXA_OFFSET_8188F 0xee
1581 #define PPG_BB_GAIN_2G_TX_OFFSET_MASK 0x0f
1582 
1583 static void rtl8188f_enable_rf(struct rtl8xxxu_priv *priv)
1584 {
1585 	u32 val32;
1586 	u8 pg_pwrtrim = 0xff, val8;
1587 	s8 bb_gain;
1588 
1589 	/* Somehow this is not found in the efuse we read earlier. */
1590 	rtl8xxxu_read_efuse8(priv, PPG_BB_GAIN_2G_TXA_OFFSET_8188F, &pg_pwrtrim);
1591 
1592 	if (pg_pwrtrim != 0xff) {
1593 		bb_gain = pg_pwrtrim & PPG_BB_GAIN_2G_TX_OFFSET_MASK;
1594 
1595 		if (bb_gain == PPG_BB_GAIN_2G_TX_OFFSET_MASK)
1596 			bb_gain = 0;
1597 		else if (bb_gain & 1)
1598 			bb_gain = bb_gain >> 1;
1599 		else
1600 			bb_gain = -(bb_gain >> 1);
1601 
1602 		val8 = abs(bb_gain);
1603 		if (bb_gain > 0)
1604 			val8 |= BIT(5);
1605 
1606 		val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55);
1607 		val32 &= ~0xfc000;
1608 		val32 |= val8 << 14;
1609 		rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55, val32);
1610 	}
1611 
1612 	rtl8xxxu_write8(priv, REG_RF_CTRL, RF_ENABLE | RF_RSTB | RF_SDMRSTB);
1613 
1614 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE);
1615 	val32 &= ~(OFDM_RF_PATH_RX_MASK | OFDM_RF_PATH_TX_MASK);
1616 	val32 |= OFDM_RF_PATH_RX_A | OFDM_RF_PATH_TX_A;
1617 	rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32);
1618 
1619 	rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
1620 }
1621 
1622 static void rtl8188f_disable_rf(struct rtl8xxxu_priv *priv)
1623 {
1624 	u32 val32;
1625 
1626 	val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE);
1627 	val32 &= ~OFDM_RF_PATH_TX_MASK;
1628 	rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32);
1629 
1630 	/* Power down RF module */
1631 	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0);
1632 }
1633 
1634 static void rtl8188f_usb_quirks(struct rtl8xxxu_priv *priv)
1635 {
1636 	u16 val16;
1637 	u32 val32;
1638 
1639 	val16 = rtl8xxxu_read16(priv, REG_CR);
1640 	val16 |= (CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE);
1641 	rtl8xxxu_write16(priv, REG_CR, val16);
1642 
1643 	val32 = rtl8xxxu_read32(priv, REG_TXDMA_OFFSET_CHK);
1644 	val32 |= TXDMA_OFFSET_DROP_DATA_EN;
1645 	rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, val32);
1646 }
1647 
1648 #define XTAL1	GENMASK(22, 17)
1649 #define XTAL0	GENMASK(16, 11)
1650 
1651 void rtl8188f_set_crystal_cap(struct rtl8xxxu_priv *priv, u8 crystal_cap)
1652 {
1653 	struct rtl8xxxu_cfo_tracking *cfo = &priv->cfo_tracking;
1654 	u32 val32;
1655 
1656 	if (crystal_cap == cfo->crystal_cap)
1657 		return;
1658 
1659 	val32 = rtl8xxxu_read32(priv, REG_AFE_XTAL_CTRL);
1660 
1661 	dev_dbg(&priv->udev->dev,
1662 	        "%s: Adjusting crystal cap from 0x%x (actually 0x%lx 0x%lx) to 0x%x\n",
1663 	        __func__,
1664 	        cfo->crystal_cap,
1665 	        FIELD_GET(XTAL1, val32),
1666 	        FIELD_GET(XTAL0, val32),
1667 	        crystal_cap);
1668 
1669 	val32 &= ~(XTAL1 | XTAL0);
1670 	val32 |= FIELD_PREP(XTAL1, crystal_cap) |
1671 		 FIELD_PREP(XTAL0, crystal_cap);
1672 	rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, val32);
1673 
1674 	cfo->crystal_cap = crystal_cap;
1675 }
1676 
1677 static s8 rtl8188f_cck_rssi(struct rtl8xxxu_priv *priv, struct rtl8723au_phy_stats *phy_stats)
1678 {
1679 	u8 cck_agc_rpt = phy_stats->cck_agc_rpt_ofdm_cfosho_a;
1680 	s8 rx_pwr_all = 0x00;
1681 	u8 vga_idx, lna_idx;
1682 
1683 	lna_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_LNA_IDX_MASK);
1684 	vga_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_VGA_IDX_MASK);
1685 
1686 	switch (lna_idx) {
1687 	case 7:
1688 		if (vga_idx <= 27)
1689 			rx_pwr_all = -100 + 2 * (27 - vga_idx);
1690 		else
1691 			rx_pwr_all = -100;
1692 		break;
1693 	case 5:
1694 		rx_pwr_all = -74 + 2 * (21 - vga_idx);
1695 		break;
1696 	case 3:
1697 		rx_pwr_all = -60 + 2 * (20 - vga_idx);
1698 		break;
1699 	case 1:
1700 		rx_pwr_all = -44 + 2 * (19 - vga_idx);
1701 		break;
1702 	default:
1703 		break;
1704 	}
1705 
1706 	return rx_pwr_all;
1707 }
1708 
1709 struct rtl8xxxu_fileops rtl8188fu_fops = {
1710 	.identify_chip = rtl8188fu_identify_chip,
1711 	.parse_efuse = rtl8188fu_parse_efuse,
1712 	.load_firmware = rtl8188fu_load_firmware,
1713 	.power_on = rtl8188fu_power_on,
1714 	.power_off = rtl8188fu_power_off,
1715 	.read_efuse = rtl8xxxu_read_efuse,
1716 	.reset_8051 = rtl8xxxu_reset_8051,
1717 	.llt_init = rtl8xxxu_auto_llt_table,
1718 	.init_phy_bb = rtl8188fu_init_phy_bb,
1719 	.init_phy_rf = rtl8188fu_init_phy_rf,
1720 	.phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection,
1721 	.phy_lc_calibrate = rtl8188f_phy_lc_calibrate,
1722 	.phy_iq_calibrate = rtl8188fu_phy_iq_calibrate,
1723 	.config_channel = rtl8188fu_config_channel,
1724 	.parse_rx_desc = rtl8xxxu_parse_rxdesc24,
1725 	.parse_phystats = rtl8723au_rx_parse_phystats,
1726 	.init_aggregation = rtl8188fu_init_aggregation,
1727 	.init_statistics = rtl8188fu_init_statistics,
1728 	.init_burst = rtl8xxxu_init_burst,
1729 	.enable_rf = rtl8188f_enable_rf,
1730 	.disable_rf = rtl8188f_disable_rf,
1731 	.usb_quirks = rtl8188f_usb_quirks,
1732 	.set_tx_power = rtl8188f_set_tx_power,
1733 	.update_rate_mask = rtl8xxxu_gen2_update_rate_mask,
1734 	.report_connect = rtl8xxxu_gen2_report_connect,
1735 	.report_rssi = rtl8xxxu_gen2_report_rssi,
1736 	.fill_txdesc = rtl8xxxu_fill_txdesc_v2,
1737 	.set_crystal_cap = rtl8188f_set_crystal_cap,
1738 	.cck_rssi = rtl8188f_cck_rssi,
1739 	.writeN_block_size = 128,
1740 	.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24),
1741 	.tx_desc_size = sizeof(struct rtl8xxxu_txdesc40),
1742 	.has_s0s1 = 1,
1743 	.has_tx_report = 1,
1744 	.gen2_thermal_meter = 1,
1745 	.needs_full_init = 1,
1746 	.init_reg_rxfltmap = 1,
1747 	.init_reg_pkt_life_time = 1,
1748 	.init_reg_hmtfr = 1,
1749 	.ampdu_max_time = 0x70,
1750 	.ustime_tsf_edca = 0x28,
1751 	.max_aggr_num = 0x0c14,
1752 	.supports_ap = 1,
1753 	.max_macid_num = 16,
1754 	.adda_1t_init = 0x03c00014,
1755 	.adda_1t_path_on = 0x03c00014,
1756 	.trxff_boundary = 0x3f7f,
1757 	.pbp_rx = PBP_PAGE_SIZE_256,
1758 	.pbp_tx = PBP_PAGE_SIZE_256,
1759 	.mactable = rtl8188f_mac_init_table,
1760 	.total_page_num = TX_TOTAL_PAGE_NUM_8188F,
1761 	.page_num_hi = TX_PAGE_NUM_HI_PQ_8188F,
1762 	.page_num_lo = TX_PAGE_NUM_LO_PQ_8188F,
1763 	.page_num_norm = TX_PAGE_NUM_NORM_PQ_8188F,
1764 };
1765