Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next
[sfrench/cifs-2.6.git] / drivers / net / wireless / realtek / rtl8xxxu / rtl8xxxu_8192c.c
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