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
36static 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
58static 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
80static const 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
155static const 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
179static const 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
254static const 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
329static int rtl8192cu_identify_chip(struct rtl8xxxu_priv *priv)
330{
331 struct device *dev = &priv->udev->dev;
332 u32 val32, bonding, sys_cfg, vendor;
333 int ret = 0;
334
335 sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
336 priv->chip_cut = u32_get_bits(v: sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
337 if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
338 dev_info(dev, "Unsupported test chip\n");
339 ret = -ENOTSUPP;
340 goto out;
341 }
342
343 if (sys_cfg & SYS_CFG_TYPE_ID) {
344 bonding = rtl8xxxu_read32(priv, REG_HPON_FSM);
345 bonding &= HPON_FSM_BONDING_MASK;
346 if (bonding == HPON_FSM_BONDING_1T2R) {
347 strscpy(priv->chip_name, "8191CU", sizeof(priv->chip_name));
348 priv->tx_paths = 1;
349 priv->usb_interrupts = 1;
350 priv->rtl_chip = RTL8191C;
351 } else {
352 strscpy(priv->chip_name, "8192CU", sizeof(priv->chip_name));
353 priv->tx_paths = 2;
354 priv->usb_interrupts = 0;
355 priv->rtl_chip = RTL8192C;
356 }
357 priv->rf_paths = 2;
358 priv->rx_paths = 2;
359 } else {
360 strscpy(priv->chip_name, "8188CU", sizeof(priv->chip_name));
361 priv->rf_paths = 1;
362 priv->rx_paths = 1;
363 priv->tx_paths = 1;
364 priv->rtl_chip = RTL8188C;
365 priv->usb_interrupts = 0;
366 }
367 priv->has_wifi = 1;
368
369 vendor = sys_cfg & SYS_CFG_VENDOR_ID;
370 rtl8xxxu_identify_vendor_1bit(priv, vendor);
371
372 val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
373 priv->rom_rev = u32_get_bits(v: val32, GPIO_RF_RL_ID);
374
375 rtl8xxxu_config_endpoints_sie(priv);
376
377 /*
378 * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX
379 */
380 if (!priv->ep_tx_count)
381 ret = rtl8xxxu_config_endpoints_no_sie(priv);
382
383out:
384 return ret;
385}
386
387static int rtl8192cu_load_firmware(struct rtl8xxxu_priv *priv)
388{
389 const char *fw_name;
390 int ret;
391
392 if (!priv->vendor_umc)
393 fw_name = "rtlwifi/rtl8192cufw_TMSC.bin";
394 else if (priv->chip_cut || priv->rtl_chip == RTL8192C)
395 fw_name = "rtlwifi/rtl8192cufw_B.bin";
396 else
397 fw_name = "rtlwifi/rtl8192cufw_A.bin";
398
399 ret = rtl8xxxu_load_firmware(priv, fw_name);
400
401 return ret;
402}
403
404static int rtl8192cu_parse_efuse(struct rtl8xxxu_priv *priv)
405{
406 struct rtl8192cu_efuse *efuse = &priv->efuse_wifi.efuse8192;
407
408 if (efuse->rtl_id != cpu_to_le16(0x8129))
409 return -EINVAL;
410
411 ether_addr_copy(dst: priv->mac_addr, src: efuse->mac_addr);
412
413 memcpy(priv->cck_tx_power_index_A,
414 efuse->cck_tx_power_index_A,
415 sizeof(efuse->cck_tx_power_index_A));
416 memcpy(priv->cck_tx_power_index_B,
417 efuse->cck_tx_power_index_B,
418 sizeof(efuse->cck_tx_power_index_B));
419
420 memcpy(priv->ht40_1s_tx_power_index_A,
421 efuse->ht40_1s_tx_power_index_A,
422 sizeof(efuse->ht40_1s_tx_power_index_A));
423 memcpy(priv->ht40_1s_tx_power_index_B,
424 efuse->ht40_1s_tx_power_index_B,
425 sizeof(efuse->ht40_1s_tx_power_index_B));
426 memcpy(priv->ht40_2s_tx_power_index_diff,
427 efuse->ht40_2s_tx_power_index_diff,
428 sizeof(efuse->ht40_2s_tx_power_index_diff));
429
430 memcpy(priv->ht20_tx_power_index_diff,
431 efuse->ht20_tx_power_index_diff,
432 sizeof(efuse->ht20_tx_power_index_diff));
433 memcpy(priv->ofdm_tx_power_index_diff,
434 efuse->ofdm_tx_power_index_diff,
435 sizeof(efuse->ofdm_tx_power_index_diff));
436
437 memcpy(priv->ht40_max_power_offset,
438 efuse->ht40_max_power_offset,
439 sizeof(efuse->ht40_max_power_offset));
440 memcpy(priv->ht20_max_power_offset,
441 efuse->ht20_max_power_offset,
442 sizeof(efuse->ht20_max_power_offset));
443
444 priv->power_base = &rtl8192c_power_base;
445
446 if (efuse->rf_regulatory & 0x20) {
447 strscpy(priv->chip_name, "8188RU", sizeof(priv->chip_name));
448 priv->rtl_chip = RTL8188R;
449 priv->hi_pa = 1;
450 priv->no_pape = 1;
451 priv->power_base = &rtl8188r_power_base;
452 }
453
454 return 0;
455}
456
457static int rtl8192cu_init_phy_rf(struct rtl8xxxu_priv *priv)
458{
459 const struct rtl8xxxu_rfregval *rftable;
460 int ret;
461
462 if (priv->rtl_chip == RTL8188R) {
463 rftable = rtl8188ru_radioa_1t_highpa_table;
464 ret = rtl8xxxu_init_phy_rf(priv, table: rftable, path: RF_A);
465 } else if (priv->rf_paths == 1) {
466 rftable = rtl8192cu_radioa_1t_init_table;
467 ret = rtl8xxxu_init_phy_rf(priv, table: rftable, path: RF_A);
468 } else {
469 rftable = rtl8192cu_radioa_2t_init_table;
470 ret = rtl8xxxu_init_phy_rf(priv, table: rftable, path: RF_A);
471 if (ret)
472 goto exit;
473 rftable = rtl8192cu_radiob_2t_init_table;
474 ret = rtl8xxxu_init_phy_rf(priv, table: rftable, path: RF_B);
475 }
476
477exit:
478 return ret;
479}
480
481static int rtl8192cu_power_on(struct rtl8xxxu_priv *priv)
482{
483 u8 val8;
484 u16 val16;
485 u32 val32;
486 int i;
487
488 for (i = 100; i; i--) {
489 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
490 if (val8 & APS_FSMCO_PFM_ALDN)
491 break;
492 }
493
494 if (!i) {
495 pr_info("%s: Poll failed\n", __func__);
496 return -ENODEV;
497 }
498
499 /*
500 * RSV_CTRL 0x001C[7:0] = 0x00, unlock ISO/CLK/Power control register
501 */
502 rtl8xxxu_write8(priv, REG_RSV_CTRL, val: 0x0);
503 rtl8xxxu_write8(priv, REG_SPS0_CTRL, val: 0x2b);
504 udelay(100);
505
506 val8 = rtl8xxxu_read8(priv, REG_LDOV12D_CTRL);
507 if (!(val8 & LDOV12D_ENABLE)) {
508 pr_info("%s: Enabling LDOV12D (%02x)\n", __func__, val8);
509 val8 |= LDOV12D_ENABLE;
510 rtl8xxxu_write8(priv, REG_LDOV12D_CTRL, val: val8);
511
512 udelay(100);
513
514 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
515 val8 &= ~SYS_ISO_MD2PP;
516 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val: val8);
517 }
518
519 /*
520 * Auto enable WLAN
521 */
522 val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
523 val16 |= APS_FSMCO_MAC_ENABLE;
524 rtl8xxxu_write16(priv, REG_APS_FSMCO, val: val16);
525
526 for (i = 1000; i; i--) {
527 val16 = rtl8xxxu_read16(priv, REG_APS_FSMCO);
528 if (!(val16 & APS_FSMCO_MAC_ENABLE))
529 break;
530 }
531 if (!i) {
532 pr_info("%s: FSMCO_MAC_ENABLE poll failed\n", __func__);
533 return -EBUSY;
534 }
535
536 /*
537 * Enable radio, GPIO, LED
538 */
539 val16 = APS_FSMCO_HW_SUSPEND | APS_FSMCO_ENABLE_POWERDOWN |
540 APS_FSMCO_PFM_ALDN;
541 rtl8xxxu_write16(priv, REG_APS_FSMCO, val: val16);
542
543 /*
544 * Release RF digital isolation
545 */
546 val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL);
547 val16 &= ~SYS_ISO_DIOR;
548 rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val: val16);
549
550 val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
551 val8 &= ~APSD_CTRL_OFF;
552 rtl8xxxu_write8(priv, REG_APSD_CTRL, val: val8);
553 for (i = 200; i; i--) {
554 val8 = rtl8xxxu_read8(priv, REG_APSD_CTRL);
555 if (!(val8 & APSD_CTRL_OFF_STATUS))
556 break;
557 }
558
559 if (!i) {
560 pr_info("%s: APSD_CTRL poll failed\n", __func__);
561 return -EBUSY;
562 }
563
564 /*
565 * Enable MAC DMA/WMAC/SCHEDULE/SEC block
566 */
567 val16 = rtl8xxxu_read16(priv, REG_CR);
568 val16 |= CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
569 CR_TXDMA_ENABLE | CR_RXDMA_ENABLE | CR_PROTOCOL_ENABLE |
570 CR_SCHEDULE_ENABLE | CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE;
571 rtl8xxxu_write16(priv, REG_CR, val: val16);
572
573 rtl8xxxu_write8(priv, addr: 0xfe10, val: 0x19);
574
575 /*
576 * Workaround for 8188RU LNA power leakage problem.
577 */
578 if (priv->rtl_chip == RTL8188R) {
579 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XCD_RF_PARM);
580 val32 &= ~BIT(1);
581 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_PARM, val: val32);
582 }
583 return 0;
584}
585
586struct rtl8xxxu_fileops rtl8192cu_fops = {
587 .identify_chip = rtl8192cu_identify_chip,
588 .parse_efuse = rtl8192cu_parse_efuse,
589 .load_firmware = rtl8192cu_load_firmware,
590 .power_on = rtl8192cu_power_on,
591 .power_off = rtl8xxxu_power_off,
592 .read_efuse = rtl8xxxu_read_efuse,
593 .reset_8051 = rtl8xxxu_reset_8051,
594 .llt_init = rtl8xxxu_init_llt_table,
595 .init_phy_bb = rtl8xxxu_gen1_init_phy_bb,
596 .init_phy_rf = rtl8192cu_init_phy_rf,
597 .phy_lc_calibrate = rtl8723a_phy_lc_calibrate,
598 .phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate,
599 .config_channel = rtl8xxxu_gen1_config_channel,
600 .parse_rx_desc = rtl8xxxu_parse_rxdesc16,
601 .parse_phystats = rtl8723au_rx_parse_phystats,
602 .init_aggregation = rtl8xxxu_gen1_init_aggregation,
603 .enable_rf = rtl8xxxu_gen1_enable_rf,
604 .disable_rf = rtl8xxxu_gen1_disable_rf,
605 .usb_quirks = rtl8xxxu_gen1_usb_quirks,
606 .set_tx_power = rtl8xxxu_gen1_set_tx_power,
607 .update_rate_mask = rtl8xxxu_update_rate_mask,
608 .report_connect = rtl8xxxu_gen1_report_connect,
609 .report_rssi = rtl8xxxu_gen1_report_rssi,
610 .fill_txdesc = rtl8xxxu_fill_txdesc_v1,
611 .cck_rssi = rtl8723a_cck_rssi,
612 .writeN_block_size = 128,
613 .rx_agg_buf_size = 16000,
614 .tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
615 .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
616 .max_sec_cam_num = 32,
617 .adda_1t_init = 0x0b1b25a0,
618 .adda_1t_path_on = 0x0bdb25a0,
619 .adda_2t_path_on_a = 0x04db25a4,
620 .adda_2t_path_on_b = 0x0b1b25a4,
621 .trxff_boundary = 0x27ff,
622 .pbp_rx = PBP_PAGE_SIZE_128,
623 .pbp_tx = PBP_PAGE_SIZE_128,
624 .mactable = rtl8xxxu_gen1_mac_init_table,
625 .total_page_num = TX_TOTAL_PAGE_NUM,
626 .page_num_hi = TX_PAGE_NUM_HI_PQ,
627 .page_num_lo = TX_PAGE_NUM_LO_PQ,
628 .page_num_norm = TX_PAGE_NUM_NORM_PQ,
629};
630#endif
631

source code of linux/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c