1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * RTL8XXXU mac80211 USB driver - 8188c/8188r/8192c specific subdriver
4  *
5  * Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com>
6  *
7  * Portions, notably calibration code:
8  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
9  *
10  * This driver was written as a replacement for the vendor provided
11  * rtl8723au driver. As the Realtek 8xxx chips are very similar in
12  * their programming interface, I have started adding support for
13  * additional 8xxx chips like the 8192cu, 8188cus, etc.
14  */
15 
16 #include <linux/init.h>
17 #include <linux/kernel.h>
18 #include <linux/sched.h>
19 #include <linux/errno.h>
20 #include <linux/slab.h>
21 #include <linux/module.h>
22 #include <linux/spinlock.h>
23 #include <linux/list.h>
24 #include <linux/usb.h>
25 #include <linux/netdevice.h>
26 #include <linux/etherdevice.h>
27 #include <linux/ethtool.h>
28 #include <linux/wireless.h>
29 #include <linux/firmware.h>
30 #include <linux/moduleparam.h>
31 #include <net/mac80211.h>
32 #include "rtl8xxxu.h"
33 #include "rtl8xxxu_regs.h"
34 
35 #ifdef CONFIG_RTL8XXXU_UNTESTED
36 static struct rtl8xxxu_power_base rtl8192c_power_base = {
37 	.reg_0e00 = 0x07090c0c,
38 	.reg_0e04 = 0x01020405,
39 	.reg_0e08 = 0x00000000,
40 	.reg_086c = 0x00000000,
41 
42 	.reg_0e10 = 0x0b0c0c0e,
43 	.reg_0e14 = 0x01030506,
44 	.reg_0e18 = 0x0b0c0d0e,
45 	.reg_0e1c = 0x01030509,
46 
47 	.reg_0830 = 0x07090c0c,
48 	.reg_0834 = 0x01020405,
49 	.reg_0838 = 0x00000000,
50 	.reg_086c_2 = 0x00000000,
51 
52 	.reg_083c = 0x0b0c0d0e,
53 	.reg_0848 = 0x01030509,
54 	.reg_084c = 0x0b0c0d0e,
55 	.reg_0868 = 0x01030509,
56 };
57 
58 static struct rtl8xxxu_power_base rtl8188r_power_base = {
59 	.reg_0e00 = 0x06080808,
60 	.reg_0e04 = 0x00040406,
61 	.reg_0e08 = 0x00000000,
62 	.reg_086c = 0x00000000,
63 
64 	.reg_0e10 = 0x04060608,
65 	.reg_0e14 = 0x00020204,
66 	.reg_0e18 = 0x04060608,
67 	.reg_0e1c = 0x00020204,
68 
69 	.reg_0830 = 0x06080808,
70 	.reg_0834 = 0x00040406,
71 	.reg_0838 = 0x00000000,
72 	.reg_086c_2 = 0x00000000,
73 
74 	.reg_083c = 0x04060608,
75 	.reg_0848 = 0x00020204,
76 	.reg_084c = 0x04060608,
77 	.reg_0868 = 0x00020204,
78 };
79 
80 static struct rtl8xxxu_rfregval rtl8192cu_radioa_2t_init_table[] = {
81 	{0x00, 0x00030159}, {0x01, 0x00031284},
82 	{0x02, 0x00098000}, {0x03, 0x00018c63},
83 	{0x04, 0x000210e7}, {0x09, 0x0002044f},
84 	{0x0a, 0x0001adb1}, {0x0b, 0x00054867},
85 	{0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
86 	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
87 	{0x19, 0x00000000}, {0x1a, 0x00010255},
88 	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
89 	{0x1d, 0x000a1250}, {0x1e, 0x0004445f},
90 	{0x1f, 0x00080001}, {0x20, 0x0000b614},
91 	{0x21, 0x0006c000}, {0x22, 0x00000000},
92 	{0x23, 0x00001558}, {0x24, 0x00000060},
93 	{0x25, 0x00000483}, {0x26, 0x0004f000},
94 	{0x27, 0x000ec7d9}, {0x28, 0x000577c0},
95 	{0x29, 0x00004783}, {0x2a, 0x00000001},
96 	{0x2b, 0x00021334}, {0x2a, 0x00000000},
97 	{0x2b, 0x00000054}, {0x2a, 0x00000001},
98 	{0x2b, 0x00000808}, {0x2b, 0x00053333},
99 	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
100 	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
101 	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
102 	{0x2b, 0x00000808}, {0x2b, 0x00063333},
103 	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
104 	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
105 	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
106 	{0x2b, 0x00000808}, {0x2b, 0x00073333},
107 	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
108 	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
109 	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
110 	{0x2b, 0x00000709}, {0x2b, 0x00063333},
111 	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
112 	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
113 	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
114 	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
115 	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
116 	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
117 	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
118 	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
119 	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
120 	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
121 	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
122 	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
123 	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
124 	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
125 	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
126 	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
127 	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
128 	{0x10, 0x0002000f}, {0x11, 0x000203f9},
129 	{0x10, 0x0003000f}, {0x11, 0x000ff500},
130 	{0x10, 0x00000000}, {0x11, 0x00000000},
131 	{0x10, 0x0008000f}, {0x11, 0x0003f100},
132 	{0x10, 0x0009000f}, {0x11, 0x00023100},
133 	{0x12, 0x00032000}, {0x12, 0x00071000},
134 	{0x12, 0x000b0000}, {0x12, 0x000fc000},
135 	{0x13, 0x000287b3}, {0x13, 0x000244b7},
136 	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
137 	{0x13, 0x00018493}, {0x13, 0x0001429b},
138 	{0x13, 0x00010299}, {0x13, 0x0000c29c},
139 	{0x13, 0x000081a0}, {0x13, 0x000040ac},
140 	{0x13, 0x00000020}, {0x14, 0x0001944c},
141 	{0x14, 0x00059444}, {0x14, 0x0009944c},
142 	{0x14, 0x000d9444}, {0x15, 0x0000f424},
143 	{0x15, 0x0004f424}, {0x15, 0x0008f424},
144 	{0x15, 0x000cf424}, {0x16, 0x000e0330},
145 	{0x16, 0x000a0330}, {0x16, 0x00060330},
146 	{0x16, 0x00020330}, {0x00, 0x00010159},
147 	{0x18, 0x0000f401}, {0xfe, 0x00000000},
148 	{0xfe, 0x00000000}, {0x1f, 0x00080003},
149 	{0xfe, 0x00000000}, {0xfe, 0x00000000},
150 	{0x1e, 0x00044457}, {0x1f, 0x00080000},
151 	{0x00, 0x00030159},
152 	{0xff, 0xffffffff}
153 };
154 
155 static struct rtl8xxxu_rfregval rtl8192cu_radiob_2t_init_table[] = {
156 	{0x00, 0x00030159}, {0x01, 0x00031284},
157 	{0x02, 0x00098000}, {0x03, 0x00018c63},
158 	{0x04, 0x000210e7}, {0x09, 0x0002044f},
159 	{0x0a, 0x0001adb1}, {0x0b, 0x00054867},
160 	{0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
161 	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
162 	{0x12, 0x00032000}, {0x12, 0x00071000},
163 	{0x12, 0x000b0000}, {0x12, 0x000fc000},
164 	{0x13, 0x000287af}, {0x13, 0x000244b7},
165 	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
166 	{0x13, 0x00018493}, {0x13, 0x00014297},
167 	{0x13, 0x00010295}, {0x13, 0x0000c298},
168 	{0x13, 0x0000819c}, {0x13, 0x000040a8},
169 	{0x13, 0x0000001c}, {0x14, 0x0001944c},
170 	{0x14, 0x00059444}, {0x14, 0x0009944c},
171 	{0x14, 0x000d9444}, {0x15, 0x0000f424},
172 	{0x15, 0x0004f424}, {0x15, 0x0008f424},
173 	{0x15, 0x000cf424}, {0x16, 0x000e0330},
174 	{0x16, 0x000a0330}, {0x16, 0x00060330},
175 	{0x16, 0x00020330},
176 	{0xff, 0xffffffff}
177 };
178 
179 static struct rtl8xxxu_rfregval rtl8192cu_radioa_1t_init_table[] = {
180 	{0x00, 0x00030159}, {0x01, 0x00031284},
181 	{0x02, 0x00098000}, {0x03, 0x00018c63},
182 	{0x04, 0x000210e7}, {0x09, 0x0002044f},
183 	{0x0a, 0x0001adb1}, {0x0b, 0x00054867},
184 	{0x0c, 0x0008992e}, {0x0d, 0x0000e52c},
185 	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
186 	{0x19, 0x00000000}, {0x1a, 0x00010255},
187 	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
188 	{0x1d, 0x000a1250}, {0x1e, 0x0004445f},
189 	{0x1f, 0x00080001}, {0x20, 0x0000b614},
190 	{0x21, 0x0006c000}, {0x22, 0x00000000},
191 	{0x23, 0x00001558}, {0x24, 0x00000060},
192 	{0x25, 0x00000483}, {0x26, 0x0004f000},
193 	{0x27, 0x000ec7d9}, {0x28, 0x000577c0},
194 	{0x29, 0x00004783}, {0x2a, 0x00000001},
195 	{0x2b, 0x00021334}, {0x2a, 0x00000000},
196 	{0x2b, 0x00000054}, {0x2a, 0x00000001},
197 	{0x2b, 0x00000808}, {0x2b, 0x00053333},
198 	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
199 	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
200 	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
201 	{0x2b, 0x00000808}, {0x2b, 0x00063333},
202 	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
203 	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
204 	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
205 	{0x2b, 0x00000808}, {0x2b, 0x00073333},
206 	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
207 	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
208 	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
209 	{0x2b, 0x00000709}, {0x2b, 0x00063333},
210 	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
211 	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
212 	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
213 	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
214 	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
215 	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
216 	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
217 	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
218 	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
219 	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
220 	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
221 	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
222 	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
223 	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
224 	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
225 	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
226 	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
227 	{0x10, 0x0002000f}, {0x11, 0x000203f9},
228 	{0x10, 0x0003000f}, {0x11, 0x000ff500},
229 	{0x10, 0x00000000}, {0x11, 0x00000000},
230 	{0x10, 0x0008000f}, {0x11, 0x0003f100},
231 	{0x10, 0x0009000f}, {0x11, 0x00023100},
232 	{0x12, 0x00032000}, {0x12, 0x00071000},
233 	{0x12, 0x000b0000}, {0x12, 0x000fc000},
234 	{0x13, 0x000287b3}, {0x13, 0x000244b7},
235 	{0x13, 0x000204ab}, {0x13, 0x0001c49f},
236 	{0x13, 0x00018493}, {0x13, 0x0001429b},
237 	{0x13, 0x00010299}, {0x13, 0x0000c29c},
238 	{0x13, 0x000081a0}, {0x13, 0x000040ac},
239 	{0x13, 0x00000020}, {0x14, 0x0001944c},
240 	{0x14, 0x00059444}, {0x14, 0x0009944c},
241 	{0x14, 0x000d9444}, {0x15, 0x0000f405},
242 	{0x15, 0x0004f405}, {0x15, 0x0008f405},
243 	{0x15, 0x000cf405}, {0x16, 0x000e0330},
244 	{0x16, 0x000a0330}, {0x16, 0x00060330},
245 	{0x16, 0x00020330}, {0x00, 0x00010159},
246 	{0x18, 0x0000f401}, {0xfe, 0x00000000},
247 	{0xfe, 0x00000000}, {0x1f, 0x00080003},
248 	{0xfe, 0x00000000}, {0xfe, 0x00000000},
249 	{0x1e, 0x00044457}, {0x1f, 0x00080000},
250 	{0x00, 0x00030159},
251 	{0xff, 0xffffffff}
252 };
253 
254 static struct rtl8xxxu_rfregval rtl8188ru_radioa_1t_highpa_table[] = {
255 	{0x00, 0x00030159}, {0x01, 0x00031284},
256 	{0x02, 0x00098000}, {0x03, 0x00018c63},
257 	{0x04, 0x000210e7}, {0x09, 0x0002044f},
258 	{0x0a, 0x0001adb0}, {0x0b, 0x00054867},
259 	{0x0c, 0x0008992e}, {0x0d, 0x0000e529},
260 	{0x0e, 0x00039ce7}, {0x0f, 0x00000451},
261 	{0x19, 0x00000000}, {0x1a, 0x00000255},
262 	{0x1b, 0x00060a00}, {0x1c, 0x000fc378},
263 	{0x1d, 0x000a1250}, {0x1e, 0x0004445f},
264 	{0x1f, 0x00080001}, {0x20, 0x0000b614},
265 	{0x21, 0x0006c000}, {0x22, 0x0000083c},
266 	{0x23, 0x00001558}, {0x24, 0x00000060},
267 	{0x25, 0x00000483}, {0x26, 0x0004f000},
268 	{0x27, 0x000ec7d9}, {0x28, 0x000977c0},
269 	{0x29, 0x00004783}, {0x2a, 0x00000001},
270 	{0x2b, 0x00021334}, {0x2a, 0x00000000},
271 	{0x2b, 0x00000054}, {0x2a, 0x00000001},
272 	{0x2b, 0x00000808}, {0x2b, 0x00053333},
273 	{0x2c, 0x0000000c}, {0x2a, 0x00000002},
274 	{0x2b, 0x00000808}, {0x2b, 0x0005b333},
275 	{0x2c, 0x0000000d}, {0x2a, 0x00000003},
276 	{0x2b, 0x00000808}, {0x2b, 0x00063333},
277 	{0x2c, 0x0000000d}, {0x2a, 0x00000004},
278 	{0x2b, 0x00000808}, {0x2b, 0x0006b333},
279 	{0x2c, 0x0000000d}, {0x2a, 0x00000005},
280 	{0x2b, 0x00000808}, {0x2b, 0x00073333},
281 	{0x2c, 0x0000000d}, {0x2a, 0x00000006},
282 	{0x2b, 0x00000709}, {0x2b, 0x0005b333},
283 	{0x2c, 0x0000000d}, {0x2a, 0x00000007},
284 	{0x2b, 0x00000709}, {0x2b, 0x00063333},
285 	{0x2c, 0x0000000d}, {0x2a, 0x00000008},
286 	{0x2b, 0x0000060a}, {0x2b, 0x0004b333},
287 	{0x2c, 0x0000000d}, {0x2a, 0x00000009},
288 	{0x2b, 0x0000060a}, {0x2b, 0x00053333},
289 	{0x2c, 0x0000000d}, {0x2a, 0x0000000a},
290 	{0x2b, 0x0000060a}, {0x2b, 0x0005b333},
291 	{0x2c, 0x0000000d}, {0x2a, 0x0000000b},
292 	{0x2b, 0x0000060a}, {0x2b, 0x00063333},
293 	{0x2c, 0x0000000d}, {0x2a, 0x0000000c},
294 	{0x2b, 0x0000060a}, {0x2b, 0x0006b333},
295 	{0x2c, 0x0000000d}, {0x2a, 0x0000000d},
296 	{0x2b, 0x0000060a}, {0x2b, 0x00073333},
297 	{0x2c, 0x0000000d}, {0x2a, 0x0000000e},
298 	{0x2b, 0x0000050b}, {0x2b, 0x00066666},
299 	{0x2c, 0x0000001a}, {0x2a, 0x000e0000},
300 	{0x10, 0x0004000f}, {0x11, 0x000e31fc},
301 	{0x10, 0x0006000f}, {0x11, 0x000ff9f8},
302 	{0x10, 0x0002000f}, {0x11, 0x000203f9},
303 	{0x10, 0x0003000f}, {0x11, 0x000ff500},
304 	{0x10, 0x00000000}, {0x11, 0x00000000},
305 	{0x10, 0x0008000f}, {0x11, 0x0003f100},
306 	{0x10, 0x0009000f}, {0x11, 0x00023100},
307 	{0x12, 0x000d8000}, {0x12, 0x00090000},
308 	{0x12, 0x00051000}, {0x12, 0x00012000},
309 	{0x13, 0x00028fb4}, {0x13, 0x00024fa8},
310 	{0x13, 0x000207a4}, {0x13, 0x0001c3b0},
311 	{0x13, 0x000183a4}, {0x13, 0x00014398},
312 	{0x13, 0x000101a4}, {0x13, 0x0000c198},
313 	{0x13, 0x000080a4}, {0x13, 0x00004098},
314 	{0x13, 0x00000000}, {0x14, 0x0001944c},
315 	{0x14, 0x00059444}, {0x14, 0x0009944c},
316 	{0x14, 0x000d9444}, {0x15, 0x0000f405},
317 	{0x15, 0x0004f405}, {0x15, 0x0008f405},
318 	{0x15, 0x000cf405}, {0x16, 0x000e0330},
319 	{0x16, 0x000a0330}, {0x16, 0x00060330},
320 	{0x16, 0x00020330}, {0x00, 0x00010159},
321 	{0x18, 0x0000f401}, {0xfe, 0x00000000},
322 	{0xfe, 0x00000000}, {0x1f, 0x00080003},
323 	{0xfe, 0x00000000}, {0xfe, 0x00000000},
324 	{0x1e, 0x00044457}, {0x1f, 0x00080000},
325 	{0x00, 0x00030159},
326 	{0xff, 0xffffffff}
327 };
328 
329 static int rtl8192cu_load_firmware(struct rtl8xxxu_priv *priv)
330 {
331 	char *fw_name;
332 	int ret;
333 
334 	if (!priv->vendor_umc)
335 		fw_name = "rtlwifi/rtl8192cufw_TMSC.bin";
336 	else if (priv->chip_cut || priv->rtl_chip == RTL8192C)
337 		fw_name = "rtlwifi/rtl8192cufw_B.bin";
338 	else
339 		fw_name = "rtlwifi/rtl8192cufw_A.bin";
340 
341 	ret = rtl8xxxu_load_firmware(priv, fw_name);
342 
343 	return ret;
344 }
345 
346 static int rtl8192cu_parse_efuse(struct rtl8xxxu_priv *priv)
347 {
348 	struct rtl8192cu_efuse *efuse = &priv->efuse_wifi.efuse8192;
349 	int i;
350 
351 	if (efuse->rtl_id != cpu_to_le16(0x8129))
352 		return -EINVAL;
353 
354 	ether_addr_copy(priv->mac_addr, efuse->mac_addr);
355 
356 	memcpy(priv->cck_tx_power_index_A,
357 	       efuse->cck_tx_power_index_A,
358 	       sizeof(efuse->cck_tx_power_index_A));
359 	memcpy(priv->cck_tx_power_index_B,
360 	       efuse->cck_tx_power_index_B,
361 	       sizeof(efuse->cck_tx_power_index_B));
362 
363 	memcpy(priv->ht40_1s_tx_power_index_A,
364 	       efuse->ht40_1s_tx_power_index_A,
365 	       sizeof(efuse->ht40_1s_tx_power_index_A));
366 	memcpy(priv->ht40_1s_tx_power_index_B,
367 	       efuse->ht40_1s_tx_power_index_B,
368 	       sizeof(efuse->ht40_1s_tx_power_index_B));
369 	memcpy(priv->ht40_2s_tx_power_index_diff,
370 	       efuse->ht40_2s_tx_power_index_diff,
371 	       sizeof(efuse->ht40_2s_tx_power_index_diff));
372 
373 	memcpy(priv->ht20_tx_power_index_diff,
374 	       efuse->ht20_tx_power_index_diff,
375 	       sizeof(efuse->ht20_tx_power_index_diff));
376 	memcpy(priv->ofdm_tx_power_index_diff,
377 	       efuse->ofdm_tx_power_index_diff,
378 	       sizeof(efuse->ofdm_tx_power_index_diff));
379 
380 	memcpy(priv->ht40_max_power_offset,
381 	       efuse->ht40_max_power_offset,
382 	       sizeof(efuse->ht40_max_power_offset));
383 	memcpy(priv->ht20_max_power_offset,
384 	       efuse->ht20_max_power_offset,
385 	       sizeof(efuse->ht20_max_power_offset));
386 
387 	dev_info(&priv->udev->dev, "Vendor: %.7s\n",
388 		 efuse->vendor_name);
389 	dev_info(&priv->udev->dev, "Product: %.20s\n",
390 		 efuse->device_name);
391 
392 	priv->power_base = &rtl8192c_power_base;
393 
394 	if (efuse->rf_regulatory & 0x20) {
395 		sprintf(priv->chip_name, "8188RU");
396 		priv->rtl_chip = RTL8188R;
397 		priv->hi_pa = 1;
398 		priv->no_pape = 1;
399 		priv->power_base = &rtl8188r_power_base;
400 	}
401 
402 	if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) {
403 		unsigned char *raw = priv->efuse_wifi.raw;
404 
405 		dev_info(&priv->udev->dev,
406 			 "%s: dumping efuse (0x%02zx bytes):\n",
407 			 __func__, sizeof(struct rtl8192cu_efuse));
408 		for (i = 0; i < sizeof(struct rtl8192cu_efuse); i += 8)
409 			dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]);
410 	}
411 	return 0;
412 }
413 
414 static int rtl8192cu_init_phy_rf(struct rtl8xxxu_priv *priv)
415 {
416 	struct rtl8xxxu_rfregval *rftable;
417 	int ret;
418 
419 	if (priv->rtl_chip == RTL8188R) {
420 		rftable = rtl8188ru_radioa_1t_highpa_table;
421 		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
422 	} else if (priv->rf_paths == 1) {
423 		rftable = rtl8192cu_radioa_1t_init_table;
424 		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
425 	} else {
426 		rftable = rtl8192cu_radioa_2t_init_table;
427 		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_A);
428 		if (ret)
429 			goto exit;
430 		rftable = rtl8192cu_radiob_2t_init_table;
431 		ret = rtl8xxxu_init_phy_rf(priv, rftable, RF_B);
432 	}
433 
434 exit:
435 	return ret;
436 }
437 
438 static int rtl8192cu_power_on(struct rtl8xxxu_priv *priv)
439 {
440 	u8 val8;
441 	u16 val16;
442 	u32 val32;
443 	int i;
444 
445 	for (i = 100; i; i--) {
446 		val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
447 		if (val8 & APS_FSMCO_PFM_ALDN)
448 			break;
449 	}
450 
451 	if (!i) {
452 		pr_info("%s: Poll failed\n", __func__);
453 		return -ENODEV;
454 	}
455 
456 	/*
457 	 * RSV_CTRL 0x001C[7:0] = 0x00, unlock ISO/CLK/Power control register
458 	 */
459 	rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0);
460 	rtl8xxxu_write8(priv, REG_SPS0_CTRL, 0x2b);
461 	udelay(100);
462 
463 	val8 = rtl8xxxu_read8(priv, REG_LDOV12D_CTRL);
464 	if (!(val8 & LDOV12D_ENABLE)) {
465 		pr_info("%s: Enabling LDOV12D (%02x)\n", __func__, val8);
466 		val8 |= LDOV12D_ENABLE;
467 		rtl8xxxu_write8(priv, REG_LDOV12D_CTRL, val8);
468 
469 		udelay(100);
470 
471 		val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
472 		val8 &= ~SYS_ISO_MD2PP;
473 		rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
474 	}
475 
476 	/*
477 	 * Auto enable WLAN
478 	 */
479 	val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
480 	val16 |= APS_FSMCO_MAC_ENABLE;
481 	rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
482 
483 	for (i = 1000; i; i--) {
484 		val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
485 		if (!(val16 & APS_FSMCO_MAC_ENABLE))
486 			break;
487 	}
488 	if (!i) {
489 		pr_info("%s: FSMCO_MAC_ENABLE poll failed\n", __func__);
490 		return -EBUSY;
491 	}
492 
493 	/*
494 	 * Enable radio, GPIO, LED
495 	 */
496 	val16 = APS_FSMCO_HW_SUSPEND | APS_FSMCO_ENABLE_POWERDOWN |
497 		APS_FSMCO_PFM_ALDN;
498 	rtl8xxxu_write16(priv, REG_APS_FSMCO, val16);
499 
500 	/*
501 	 * Release RF digital isolation
502 	 */
503 	val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL);
504 	val16 &= ~SYS_ISO_DIOR;
505 	rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val16);
506 
507 	val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
508 	val8 &= ~APSD_CTRL_OFF;
509 	rtl8xxxu_write8(priv, REG_APSD_CTRL, val8);
510 	for (i = 200; i; i--) {
511 		val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
512 		if (!(val8 & APSD_CTRL_OFF_STATUS))
513 			break;
514 	}
515 
516 	if (!i) {
517 		pr_info("%s: APSD_CTRL poll failed\n", __func__);
518 		return -EBUSY;
519 	}
520 
521 	/*
522 	 * Enable MAC DMA/WMAC/SCHEDULE/SEC block
523 	 */
524 	val16 = rtl8xxxu_read16(priv, REG_CR);
525 	val16 |= CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
526 		CR_TXDMA_ENABLE | CR_RXDMA_ENABLE | CR_PROTOCOL_ENABLE |
527 		CR_SCHEDULE_ENABLE | CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE;
528 	rtl8xxxu_write16(priv, REG_CR, val16);
529 
530 	rtl8xxxu_write8(priv, 0xfe10, 0x19);
531 
532 	/*
533 	 * Workaround for 8188RU LNA power leakage problem.
534 	 */
535 	if (priv->rtl_chip == RTL8188R) {
536 		val32 = rtl8xxxu_read32(priv, REG_FPGA0_XCD_RF_PARM);
537 		val32 &= ~BIT(1);
538 		rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_PARM, val32);
539 	}
540 	return 0;
541 }
542 
543 struct rtl8xxxu_fileops rtl8192cu_fops = {
544 	.parse_efuse = rtl8192cu_parse_efuse,
545 	.load_firmware = rtl8192cu_load_firmware,
546 	.power_on = rtl8192cu_power_on,
547 	.power_off = rtl8xxxu_power_off,
548 	.reset_8051 = rtl8xxxu_reset_8051,
549 	.llt_init = rtl8xxxu_init_llt_table,
550 	.init_phy_bb = rtl8xxxu_gen1_init_phy_bb,
551 	.init_phy_rf = rtl8192cu_init_phy_rf,
552 	.phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate,
553 	.config_channel = rtl8xxxu_gen1_config_channel,
554 	.parse_rx_desc = rtl8xxxu_parse_rxdesc16,
555 	.init_aggregation = rtl8xxxu_gen1_init_aggregation,
556 	.enable_rf = rtl8xxxu_gen1_enable_rf,
557 	.disable_rf = rtl8xxxu_gen1_disable_rf,
558 	.usb_quirks = rtl8xxxu_gen1_usb_quirks,
559 	.set_tx_power = rtl8xxxu_gen1_set_tx_power,
560 	.update_rate_mask = rtl8xxxu_update_rate_mask,
561 	.report_connect = rtl8xxxu_gen1_report_connect,
562 	.fill_txdesc = rtl8xxxu_fill_txdesc_v1,
563 	.writeN_block_size = 128,
564 	.rx_agg_buf_size = 16000,
565 	.tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
566 	.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
567 	.adda_1t_init = 0x0b1b25a0,
568 	.adda_1t_path_on = 0x0bdb25a0,
569 	.adda_2t_path_on_a = 0x04db25a4,
570 	.adda_2t_path_on_b = 0x0b1b25a4,
571 	.trxff_boundary = 0x27ff,
572 	.pbp_rx = PBP_PAGE_SIZE_128,
573 	.pbp_tx = PBP_PAGE_SIZE_128,
574 	.mactable = rtl8xxxu_gen1_mac_init_table,
575 	.total_page_num = TX_TOTAL_PAGE_NUM,
576 	.page_num_hi = TX_PAGE_NUM_HI_PQ,
577 	.page_num_lo = TX_PAGE_NUM_LO_PQ,
578 	.page_num_norm = TX_PAGE_NUM_NORM_PQ,
579 };
580 #endif
581