1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * RTL8XXXU mac80211 USB driver - 8192e 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
35static struct rtl8xxxu_reg8val rtl8192e_mac_init_table[] = {
36	{0x011, 0xeb}, {0x012, 0x07}, {0x014, 0x75}, {0x303, 0xa7},
37	{0x428, 0x0a}, {0x429, 0x10}, {0x430, 0x00}, {0x431, 0x00},
38	{0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05},
39	{0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05},
40	{0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01},
41	{0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00},
42	{0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f},
43	{0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00},
44	{0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f},
45	{0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66},
46	{0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff}, {0x4cd, 0xff},
47	{0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2}, {0x502, 0x2f},
48	{0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3}, {0x506, 0x5e},
49	{0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4}, {0x50a, 0x5e},
50	{0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4}, {0x50e, 0x00},
51	{0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a}, {0x516, 0x0a},
52	{0x525, 0x4f}, {0x540, 0x12}, {0x541, 0x64}, {0x550, 0x10},
53	{0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50}, {0x55d, 0xff},
54	{0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a}, {0x620, 0xff},
55	{0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff}, {0x624, 0xff},
56	{0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff}, {0x638, 0x50},
57	{0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e}, {0x63f, 0x0e},
58	{0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00}, {0x652, 0xc8},
59	{0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43}, {0x702, 0x65},
60	{0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43}, {0x70a, 0x65},
61	{0x70b, 0x87},
62	{0xffff, 0xff},
63};
64
65static struct rtl8xxxu_reg32val rtl8192eu_phy_init_table[] = {
66	{0x800, 0x80040000}, {0x804, 0x00000003},
67	{0x808, 0x0000fc00}, {0x80c, 0x0000000a},
68	{0x810, 0x10001331}, {0x814, 0x020c3d10},
69	{0x818, 0x02220385}, {0x81c, 0x00000000},
70	{0x820, 0x01000100}, {0x824, 0x00390204},
71	{0x828, 0x01000100}, {0x82c, 0x00390204},
72	{0x830, 0x32323232}, {0x834, 0x30303030},
73	{0x838, 0x30303030}, {0x83c, 0x30303030},
74	{0x840, 0x00010000}, {0x844, 0x00010000},
75	{0x848, 0x28282828}, {0x84c, 0x28282828},
76	{0x850, 0x00000000}, {0x854, 0x00000000},
77	{0x858, 0x009a009a}, {0x85c, 0x01000014},
78	{0x860, 0x66f60000}, {0x864, 0x061f0000},
79	{0x868, 0x30303030}, {0x86c, 0x30303030},
80	{0x870, 0x00000000}, {0x874, 0x55004200},
81	{0x878, 0x08080808}, {0x87c, 0x00000000},
82	{0x880, 0xb0000c1c}, {0x884, 0x00000001},
83	{0x888, 0x00000000}, {0x88c, 0xcc0000c0},
84	{0x890, 0x00000800}, {0x894, 0xfffffffe},
85	{0x898, 0x40302010}, {0x900, 0x00000000},
86	{0x904, 0x00000023}, {0x908, 0x00000000},
87	{0x90c, 0x81121313}, {0x910, 0x806c0001},
88	{0x914, 0x00000001}, {0x918, 0x00000000},
89	{0x91c, 0x00010000}, {0x924, 0x00000001},
90	{0x928, 0x00000000}, {0x92c, 0x00000000},
91	{0x930, 0x00000000}, {0x934, 0x00000000},
92	{0x938, 0x00000000}, {0x93c, 0x00000000},
93	{0x940, 0x00000000}, {0x944, 0x00000000},
94	{0x94c, 0x00000008}, {0xa00, 0x00d0c7c8},
95	{0xa04, 0x81ff000c}, {0xa08, 0x8c838300},
96	{0xa0c, 0x2e68120f}, {0xa10, 0x95009b78},
97	{0xa14, 0x1114d028}, {0xa18, 0x00881117},
98	{0xa1c, 0x89140f00}, {0xa20, 0x1a1b0000},
99	{0xa24, 0x090e1317}, {0xa28, 0x00000204},
100	{0xa2c, 0x00d30000}, {0xa70, 0x101fff00},
101	{0xa74, 0x00000007}, {0xa78, 0x00000900},
102	{0xa7c, 0x225b0606}, {0xa80, 0x218075b1},
103	{0xb38, 0x00000000}, {0xc00, 0x48071d40},
104	{0xc04, 0x03a05633}, {0xc08, 0x000000e4},
105	{0xc0c, 0x6c6c6c6c}, {0xc10, 0x08800000},
106	{0xc14, 0x40000100}, {0xc18, 0x08800000},
107	{0xc1c, 0x40000100}, {0xc20, 0x00000000},
108	{0xc24, 0x00000000}, {0xc28, 0x00000000},
109	{0xc2c, 0x00000000}, {0xc30, 0x69e9ac47},
110	{0xc34, 0x469652af}, {0xc38, 0x49795994},
111	{0xc3c, 0x0a97971c}, {0xc40, 0x1f7c403f},
112	{0xc44, 0x000100b7}, {0xc48, 0xec020107},
113	{0xc4c, 0x007f037f},
114#ifdef EXT_PA_8192EU
115	/* External PA or external LNA */
116	{0xc50, 0x00340220},
117#else
118	{0xc50, 0x00340020},
119#endif
120	{0xc54, 0x0080801f},
121#ifdef EXT_PA_8192EU
122	/* External PA or external LNA */
123	{0xc58, 0x00000220},
124#else
125	{0xc58, 0x00000020},
126#endif
127	{0xc5c, 0x00248492}, {0xc60, 0x00000000},
128	{0xc64, 0x7112848b}, {0xc68, 0x47c00bff},
129	{0xc6c, 0x00000036}, {0xc70, 0x00000600},
130	{0xc74, 0x02013169}, {0xc78, 0x0000001f},
131	{0xc7c, 0x00b91612},
132#ifdef EXT_PA_8192EU
133	/* External PA or external LNA */
134	{0xc80, 0x2d4000b5},
135#else
136	{0xc80, 0x40000100},
137#endif
138	{0xc84, 0x21f60000},
139#ifdef EXT_PA_8192EU
140	/* External PA or external LNA */
141	{0xc88, 0x2d4000b5},
142#else
143	{0xc88, 0x40000100},
144#endif
145	{0xc8c, 0xa0e40000}, {0xc90, 0x00121820},
146	{0xc94, 0x00000000}, {0xc98, 0x00121820},
147	{0xc9c, 0x00007f7f}, {0xca0, 0x00000000},
148	{0xca4, 0x000300a0}, {0xca8, 0x00000000},
149	{0xcac, 0x00000000}, {0xcb0, 0x00000000},
150	{0xcb4, 0x00000000}, {0xcb8, 0x00000000},
151	{0xcbc, 0x28000000}, {0xcc0, 0x00000000},
152	{0xcc4, 0x00000000}, {0xcc8, 0x00000000},
153	{0xccc, 0x00000000}, {0xcd0, 0x00000000},
154	{0xcd4, 0x00000000}, {0xcd8, 0x64b22427},
155	{0xcdc, 0x00766932}, {0xce0, 0x00222222},
156	{0xce4, 0x00040000}, {0xce8, 0x77644302},
157	{0xcec, 0x2f97d40c}, {0xd00, 0x00080740},
158	{0xd04, 0x00020403}, {0xd08, 0x0000907f},
159	{0xd0c, 0x20010201}, {0xd10, 0xa0633333},
160	{0xd14, 0x3333bc43}, {0xd18, 0x7a8f5b6b},
161	{0xd1c, 0x0000007f}, {0xd2c, 0xcc979975},
162	{0xd30, 0x00000000}, {0xd34, 0x80608000},
163	{0xd38, 0x00000000}, {0xd3c, 0x00127353},
164	{0xd40, 0x00000000}, {0xd44, 0x00000000},
165	{0xd48, 0x00000000}, {0xd4c, 0x00000000},
166	{0xd50, 0x6437140a}, {0xd54, 0x00000000},
167	{0xd58, 0x00000282}, {0xd5c, 0x30032064},
168	{0xd60, 0x4653de68}, {0xd64, 0x04518a3c},
169	{0xd68, 0x00002101}, {0xd6c, 0x2a201c16},
170	{0xd70, 0x1812362e}, {0xd74, 0x322c2220},
171	{0xd78, 0x000e3c24}, {0xd80, 0x01081008},
172	{0xd84, 0x00000800}, {0xd88, 0xf0b50000},
173	{0xe00, 0x30303030}, {0xe04, 0x30303030},
174	{0xe08, 0x03903030}, {0xe10, 0x30303030},
175	{0xe14, 0x30303030}, {0xe18, 0x30303030},
176	{0xe1c, 0x30303030}, {0xe28, 0x00000000},
177	{0xe30, 0x1000dc1f}, {0xe34, 0x10008c1f},
178	{0xe38, 0x02140102}, {0xe3c, 0x681604c2},
179	{0xe40, 0x01007c00}, {0xe44, 0x01004800},
180	{0xe48, 0xfb000000}, {0xe4c, 0x000028d1},
181	{0xe50, 0x1000dc1f}, {0xe54, 0x10008c1f},
182	{0xe58, 0x02140102}, {0xe5c, 0x28160d05},
183	{0xe60, 0x00000008}, {0xe68, 0x0fc05656},
184	{0xe6c, 0x03c09696}, {0xe70, 0x03c09696},
185	{0xe74, 0x0c005656}, {0xe78, 0x0c005656},
186	{0xe7c, 0x0c005656}, {0xe80, 0x0c005656},
187	{0xe84, 0x03c09696}, {0xe88, 0x0c005656},
188	{0xe8c, 0x03c09696}, {0xed0, 0x03c09696},
189	{0xed4, 0x03c09696}, {0xed8, 0x03c09696},
190	{0xedc, 0x0000d6d6}, {0xee0, 0x0000d6d6},
191	{0xeec, 0x0fc01616}, {0xee4, 0xb0000c1c},
192	{0xee8, 0x00000001}, {0xf14, 0x00000003},
193	{0xf4c, 0x00000000}, {0xf00, 0x00000300},
194	{0xffff, 0xffffffff},
195};
196
197static struct rtl8xxxu_reg32val rtl8xxx_agc_8192eu_std_table[] = {
198	{0xc78, 0xfb000001}, {0xc78, 0xfb010001},
199	{0xc78, 0xfb020001}, {0xc78, 0xfb030001},
200	{0xc78, 0xfb040001}, {0xc78, 0xfb050001},
201	{0xc78, 0xfa060001}, {0xc78, 0xf9070001},
202	{0xc78, 0xf8080001}, {0xc78, 0xf7090001},
203	{0xc78, 0xf60a0001}, {0xc78, 0xf50b0001},
204	{0xc78, 0xf40c0001}, {0xc78, 0xf30d0001},
205	{0xc78, 0xf20e0001}, {0xc78, 0xf10f0001},
206	{0xc78, 0xf0100001}, {0xc78, 0xef110001},
207	{0xc78, 0xee120001}, {0xc78, 0xed130001},
208	{0xc78, 0xec140001}, {0xc78, 0xeb150001},
209	{0xc78, 0xea160001}, {0xc78, 0xe9170001},
210	{0xc78, 0xe8180001}, {0xc78, 0xe7190001},
211	{0xc78, 0xc81a0001}, {0xc78, 0xc71b0001},
212	{0xc78, 0xc61c0001}, {0xc78, 0x071d0001},
213	{0xc78, 0x061e0001}, {0xc78, 0x051f0001},
214	{0xc78, 0x04200001}, {0xc78, 0x03210001},
215	{0xc78, 0xaa220001}, {0xc78, 0xa9230001},
216	{0xc78, 0xa8240001}, {0xc78, 0xa7250001},
217	{0xc78, 0xa6260001}, {0xc78, 0x85270001},
218	{0xc78, 0x84280001}, {0xc78, 0x83290001},
219	{0xc78, 0x252a0001}, {0xc78, 0x242b0001},
220	{0xc78, 0x232c0001}, {0xc78, 0x222d0001},
221	{0xc78, 0x672e0001}, {0xc78, 0x662f0001},
222	{0xc78, 0x65300001}, {0xc78, 0x64310001},
223	{0xc78, 0x63320001}, {0xc78, 0x62330001},
224	{0xc78, 0x61340001}, {0xc78, 0x45350001},
225	{0xc78, 0x44360001}, {0xc78, 0x43370001},
226	{0xc78, 0x42380001}, {0xc78, 0x41390001},
227	{0xc78, 0x403a0001}, {0xc78, 0x403b0001},
228	{0xc78, 0x403c0001}, {0xc78, 0x403d0001},
229	{0xc78, 0x403e0001}, {0xc78, 0x403f0001},
230	{0xc78, 0xfb400001}, {0xc78, 0xfb410001},
231	{0xc78, 0xfb420001}, {0xc78, 0xfb430001},
232	{0xc78, 0xfb440001}, {0xc78, 0xfb450001},
233	{0xc78, 0xfa460001}, {0xc78, 0xf9470001},
234	{0xc78, 0xf8480001}, {0xc78, 0xf7490001},
235	{0xc78, 0xf64a0001}, {0xc78, 0xf54b0001},
236	{0xc78, 0xf44c0001}, {0xc78, 0xf34d0001},
237	{0xc78, 0xf24e0001}, {0xc78, 0xf14f0001},
238	{0xc78, 0xf0500001}, {0xc78, 0xef510001},
239	{0xc78, 0xee520001}, {0xc78, 0xed530001},
240	{0xc78, 0xec540001}, {0xc78, 0xeb550001},
241	{0xc78, 0xea560001}, {0xc78, 0xe9570001},
242	{0xc78, 0xe8580001}, {0xc78, 0xe7590001},
243	{0xc78, 0xe65a0001}, {0xc78, 0xe55b0001},
244	{0xc78, 0xe45c0001}, {0xc78, 0xe35d0001},
245	{0xc78, 0xe25e0001}, {0xc78, 0xe15f0001},
246	{0xc78, 0x8a600001}, {0xc78, 0x89610001},
247	{0xc78, 0x88620001}, {0xc78, 0x87630001},
248	{0xc78, 0x86640001}, {0xc78, 0x85650001},
249	{0xc78, 0x84660001}, {0xc78, 0x83670001},
250	{0xc78, 0x82680001}, {0xc78, 0x6b690001},
251	{0xc78, 0x6a6a0001}, {0xc78, 0x696b0001},
252	{0xc78, 0x686c0001}, {0xc78, 0x676d0001},
253	{0xc78, 0x666e0001}, {0xc78, 0x656f0001},
254	{0xc78, 0x64700001}, {0xc78, 0x63710001},
255	{0xc78, 0x62720001}, {0xc78, 0x61730001},
256	{0xc78, 0x49740001}, {0xc78, 0x48750001},
257	{0xc78, 0x47760001}, {0xc78, 0x46770001},
258	{0xc78, 0x45780001}, {0xc78, 0x44790001},
259	{0xc78, 0x437a0001}, {0xc78, 0x427b0001},
260	{0xc78, 0x417c0001}, {0xc78, 0x407d0001},
261	{0xc78, 0x407e0001}, {0xc78, 0x407f0001},
262	{0xc50, 0x00040022}, {0xc50, 0x00040020},
263	{0xffff, 0xffffffff}
264};
265
266static struct rtl8xxxu_reg32val rtl8xxx_agc_8192eu_highpa_table[] = {
267	{0xc78, 0xfa000001}, {0xc78, 0xf9010001},
268	{0xc78, 0xf8020001}, {0xc78, 0xf7030001},
269	{0xc78, 0xf6040001}, {0xc78, 0xf5050001},
270	{0xc78, 0xf4060001}, {0xc78, 0xf3070001},
271	{0xc78, 0xf2080001}, {0xc78, 0xf1090001},
272	{0xc78, 0xf00a0001}, {0xc78, 0xef0b0001},
273	{0xc78, 0xee0c0001}, {0xc78, 0xed0d0001},
274	{0xc78, 0xec0e0001}, {0xc78, 0xeb0f0001},
275	{0xc78, 0xea100001}, {0xc78, 0xe9110001},
276	{0xc78, 0xe8120001}, {0xc78, 0xe7130001},
277	{0xc78, 0xe6140001}, {0xc78, 0xe5150001},
278	{0xc78, 0xe4160001}, {0xc78, 0xe3170001},
279	{0xc78, 0xe2180001}, {0xc78, 0xe1190001},
280	{0xc78, 0x8a1a0001}, {0xc78, 0x891b0001},
281	{0xc78, 0x881c0001}, {0xc78, 0x871d0001},
282	{0xc78, 0x861e0001}, {0xc78, 0x851f0001},
283	{0xc78, 0x84200001}, {0xc78, 0x83210001},
284	{0xc78, 0x82220001}, {0xc78, 0x6a230001},
285	{0xc78, 0x69240001}, {0xc78, 0x68250001},
286	{0xc78, 0x67260001}, {0xc78, 0x66270001},
287	{0xc78, 0x65280001}, {0xc78, 0x64290001},
288	{0xc78, 0x632a0001}, {0xc78, 0x622b0001},
289	{0xc78, 0x612c0001}, {0xc78, 0x602d0001},
290	{0xc78, 0x472e0001}, {0xc78, 0x462f0001},
291	{0xc78, 0x45300001}, {0xc78, 0x44310001},
292	{0xc78, 0x43320001}, {0xc78, 0x42330001},
293	{0xc78, 0x41340001}, {0xc78, 0x40350001},
294	{0xc78, 0x40360001}, {0xc78, 0x40370001},
295	{0xc78, 0x40380001}, {0xc78, 0x40390001},
296	{0xc78, 0x403a0001}, {0xc78, 0x403b0001},
297	{0xc78, 0x403c0001}, {0xc78, 0x403d0001},
298	{0xc78, 0x403e0001}, {0xc78, 0x403f0001},
299	{0xc78, 0xfa400001}, {0xc78, 0xf9410001},
300	{0xc78, 0xf8420001}, {0xc78, 0xf7430001},
301	{0xc78, 0xf6440001}, {0xc78, 0xf5450001},
302	{0xc78, 0xf4460001}, {0xc78, 0xf3470001},
303	{0xc78, 0xf2480001}, {0xc78, 0xf1490001},
304	{0xc78, 0xf04a0001}, {0xc78, 0xef4b0001},
305	{0xc78, 0xee4c0001}, {0xc78, 0xed4d0001},
306	{0xc78, 0xec4e0001}, {0xc78, 0xeb4f0001},
307	{0xc78, 0xea500001}, {0xc78, 0xe9510001},
308	{0xc78, 0xe8520001}, {0xc78, 0xe7530001},
309	{0xc78, 0xe6540001}, {0xc78, 0xe5550001},
310	{0xc78, 0xe4560001}, {0xc78, 0xe3570001},
311	{0xc78, 0xe2580001}, {0xc78, 0xe1590001},
312	{0xc78, 0x8a5a0001}, {0xc78, 0x895b0001},
313	{0xc78, 0x885c0001}, {0xc78, 0x875d0001},
314	{0xc78, 0x865e0001}, {0xc78, 0x855f0001},
315	{0xc78, 0x84600001}, {0xc78, 0x83610001},
316	{0xc78, 0x82620001}, {0xc78, 0x6a630001},
317	{0xc78, 0x69640001}, {0xc78, 0x68650001},
318	{0xc78, 0x67660001}, {0xc78, 0x66670001},
319	{0xc78, 0x65680001}, {0xc78, 0x64690001},
320	{0xc78, 0x636a0001}, {0xc78, 0x626b0001},
321	{0xc78, 0x616c0001}, {0xc78, 0x606d0001},
322	{0xc78, 0x476e0001}, {0xc78, 0x466f0001},
323	{0xc78, 0x45700001}, {0xc78, 0x44710001},
324	{0xc78, 0x43720001}, {0xc78, 0x42730001},
325	{0xc78, 0x41740001}, {0xc78, 0x40750001},
326	{0xc78, 0x40760001}, {0xc78, 0x40770001},
327	{0xc78, 0x40780001}, {0xc78, 0x40790001},
328	{0xc78, 0x407a0001}, {0xc78, 0x407b0001},
329	{0xc78, 0x407c0001}, {0xc78, 0x407d0001},
330	{0xc78, 0x407e0001}, {0xc78, 0x407f0001},
331	{0xc50, 0x00040222}, {0xc50, 0x00040220},
332	{0xffff, 0xffffffff}
333};
334
335static struct rtl8xxxu_rfregval rtl8192eu_radioa_init_table[] = {
336	{0x7f, 0x00000082}, {0x81, 0x0003fc00},
337	{0x00, 0x00030000}, {0x08, 0x00008400},
338	{0x18, 0x00000407}, {0x19, 0x00000012},
339	{0x1b, 0x00000064}, {0x1e, 0x00080009},
340	{0x1f, 0x00000880}, {0x2f, 0x0001a060},
341	{0x3f, 0x00000000}, {0x42, 0x000060c0},
342	{0x57, 0x000d0000}, {0x58, 0x000be180},
343	{0x67, 0x00001552}, {0x83, 0x00000000},
344	{0xb0, 0x000ff9f1}, {0xb1, 0x00055418},
345	{0xb2, 0x0008cc00}, {0xb4, 0x00043083},
346	{0xb5, 0x00008166}, {0xb6, 0x0000803e},
347	{0xb7, 0x0001c69f}, {0xb8, 0x0000407f},
348	{0xb9, 0x00080001}, {0xba, 0x00040001},
349	{0xbb, 0x00000400}, {0xbf, 0x000c0000},
350	{0xc2, 0x00002400}, {0xc3, 0x00000009},
351	{0xc4, 0x00040c91}, {0xc5, 0x00099999},
352	{0xc6, 0x000000a3}, {0xc7, 0x00088820},
353	{0xc8, 0x00076c06}, {0xc9, 0x00000000},
354	{0xca, 0x00080000}, {0xdf, 0x00000180},
355	{0xef, 0x000001a0}, {0x51, 0x00069545},
356	{0x52, 0x0007e45e}, {0x53, 0x00000071},
357	{0x56, 0x00051ff3}, {0x35, 0x000000a8},
358	{0x35, 0x000001e2}, {0x35, 0x000002a8},
359	{0x36, 0x00001c24}, {0x36, 0x00009c24},
360	{0x36, 0x00011c24}, {0x36, 0x00019c24},
361	{0x18, 0x00000c07}, {0x5a, 0x00048000},
362	{0x19, 0x000739d0},
363#ifdef EXT_PA_8192EU
364	/* External PA or external LNA */
365	{0x34, 0x0000a093}, {0x34, 0x0000908f},
366	{0x34, 0x0000808c}, {0x34, 0x0000704d},
367	{0x34, 0x0000604a}, {0x34, 0x00005047},
368	{0x34, 0x0000400a}, {0x34, 0x00003007},
369	{0x34, 0x00002004}, {0x34, 0x00001001},
370	{0x34, 0x00000000},
371#else
372	/* Regular */
373	{0x34, 0x0000add7}, {0x34, 0x00009dd4},
374	{0x34, 0x00008dd1}, {0x34, 0x00007dce},
375	{0x34, 0x00006dcb}, {0x34, 0x00005dc8},
376	{0x34, 0x00004dc5}, {0x34, 0x000034cc},
377	{0x34, 0x0000244f}, {0x34, 0x0000144c},
378	{0x34, 0x00000014},
379#endif
380	{0x00, 0x00030159},
381	{0x84, 0x00068180},
382	{0x86, 0x0000014e},
383	{0x87, 0x00048e00},
384	{0x8e, 0x00065540},
385	{0x8f, 0x00088000},
386	{0xef, 0x000020a0},
387#ifdef EXT_PA_8192EU
388	/* External PA or external LNA */
389	{0x3b, 0x000f07b0},
390#else
391	{0x3b, 0x000f02b0},
392#endif
393	{0x3b, 0x000ef7b0}, {0x3b, 0x000d4fb0},
394	{0x3b, 0x000cf060}, {0x3b, 0x000b0090},
395	{0x3b, 0x000a0080}, {0x3b, 0x00090080},
396	{0x3b, 0x0008f780},
397#ifdef EXT_PA_8192EU
398	/* External PA or external LNA */
399	{0x3b, 0x000787b0},
400#else
401	{0x3b, 0x00078730},
402#endif
403	{0x3b, 0x00060fb0}, {0x3b, 0x0005ffa0},
404	{0x3b, 0x00040620}, {0x3b, 0x00037090},
405	{0x3b, 0x00020080}, {0x3b, 0x0001f060},
406	{0x3b, 0x0000ffb0}, {0xef, 0x000000a0},
407	{0xfe, 0x00000000}, {0x18, 0x0000fc07},
408	{0xfe, 0x00000000}, {0xfe, 0x00000000},
409	{0xfe, 0x00000000}, {0xfe, 0x00000000},
410	{0x1e, 0x00000001}, {0x1f, 0x00080000},
411	{0x00, 0x00033e70},
412	{0xff, 0xffffffff}
413};
414
415static struct rtl8xxxu_rfregval rtl8192eu_radiob_init_table[] = {
416	{0x7f, 0x00000082}, {0x81, 0x0003fc00},
417	{0x00, 0x00030000}, {0x08, 0x00008400},
418	{0x18, 0x00000407}, {0x19, 0x00000012},
419	{0x1b, 0x00000064}, {0x1e, 0x00080009},
420	{0x1f, 0x00000880}, {0x2f, 0x0001a060},
421	{0x3f, 0x00000000}, {0x42, 0x000060c0},
422	{0x57, 0x000d0000}, {0x58, 0x000be180},
423	{0x67, 0x00001552}, {0x7f, 0x00000082},
424	{0x81, 0x0003f000}, {0x83, 0x00000000},
425	{0xdf, 0x00000180}, {0xef, 0x000001a0},
426	{0x51, 0x00069545}, {0x52, 0x0007e42e},
427	{0x53, 0x00000071}, {0x56, 0x00051ff3},
428	{0x35, 0x000000a8}, {0x35, 0x000001e0},
429	{0x35, 0x000002a8}, {0x36, 0x00001ca8},
430	{0x36, 0x00009c24}, {0x36, 0x00011c24},
431	{0x36, 0x00019c24}, {0x18, 0x00000c07},
432	{0x5a, 0x00048000}, {0x19, 0x000739d0},
433#ifdef EXT_PA_8192EU
434	/* External PA or external LNA */
435	{0x34, 0x0000a093}, {0x34, 0x0000908f},
436	{0x34, 0x0000808c}, {0x34, 0x0000704d},
437	{0x34, 0x0000604a}, {0x34, 0x00005047},
438	{0x34, 0x0000400a}, {0x34, 0x00003007},
439	{0x34, 0x00002004}, {0x34, 0x00001001},
440	{0x34, 0x00000000},
441#else
442	{0x34, 0x0000add7}, {0x34, 0x00009dd4},
443	{0x34, 0x00008dd1}, {0x34, 0x00007dce},
444	{0x34, 0x00006dcb}, {0x34, 0x00005dc8},
445	{0x34, 0x00004dc5}, {0x34, 0x000034cc},
446	{0x34, 0x0000244f}, {0x34, 0x0000144c},
447	{0x34, 0x00000014},
448#endif
449	{0x00, 0x00030159}, {0x84, 0x00068180},
450	{0x86, 0x000000ce}, {0x87, 0x00048a00},
451	{0x8e, 0x00065540}, {0x8f, 0x00088000},
452	{0xef, 0x000020a0},
453#ifdef EXT_PA_8192EU
454	/* External PA or external LNA */
455	{0x3b, 0x000f07b0},
456#else
457	{0x3b, 0x000f02b0},
458#endif
459
460	{0x3b, 0x000ef7b0}, {0x3b, 0x000d4fb0},
461	{0x3b, 0x000cf060}, {0x3b, 0x000b0090},
462	{0x3b, 0x000a0080}, {0x3b, 0x00090080},
463	{0x3b, 0x0008f780},
464#ifdef EXT_PA_8192EU
465	/* External PA or external LNA */
466	{0x3b, 0x000787b0},
467#else
468	{0x3b, 0x00078730},
469#endif
470	{0x3b, 0x00060fb0}, {0x3b, 0x0005ffa0},
471	{0x3b, 0x00040620}, {0x3b, 0x00037090},
472	{0x3b, 0x00020080}, {0x3b, 0x0001f060},
473	{0x3b, 0x0000ffb0}, {0xef, 0x000000a0},
474	{0x00, 0x00010159}, {0xfe, 0x00000000},
475	{0xfe, 0x00000000}, {0xfe, 0x00000000},
476	{0xfe, 0x00000000}, {0x1e, 0x00000001},
477	{0x1f, 0x00080000}, {0x00, 0x00033e70},
478	{0xff, 0xffffffff}
479};
480
481static void
482rtl8192e_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
483{
484	u32 val32, ofdm, mcs;
485	u8 cck, ofdmbase, mcsbase;
486	int group, tx_idx;
487
488	tx_idx = 0;
489	group = rtl8xxxu_gen2_channel_to_group(channel);
490
491	cck = priv->cck_tx_power_index_A[group];
492
493	val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
494	val32 &= 0xffff00ff;
495	val32 |= (cck << 8);
496	rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
497
498	val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
499	val32 &= 0xff;
500	val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
501	rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
502
503	ofdmbase = priv->ht40_1s_tx_power_index_A[group];
504	ofdmbase += priv->ofdm_tx_power_diff[tx_idx].a;
505	ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24;
506
507	rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
508	rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
509
510	mcsbase = priv->ht40_1s_tx_power_index_A[group];
511	if (ht40)
512		mcsbase += priv->ht40_tx_power_diff[tx_idx++].a;
513	else
514		mcsbase += priv->ht20_tx_power_diff[tx_idx++].a;
515	mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
516
517	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
518	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
519	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, mcs);
520	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, mcs);
521
522	if (priv->tx_paths > 1) {
523		cck = priv->cck_tx_power_index_B[group];
524
525		val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK1_55_MCS32);
526		val32 &= 0xff;
527		val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
528		rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK1_55_MCS32, val32);
529
530		val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
531		val32 &= 0xffffff00;
532		val32 |= cck;
533		rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
534
535		ofdmbase = priv->ht40_1s_tx_power_index_B[group];
536		ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b;
537		ofdm = ofdmbase | ofdmbase << 8 |
538			ofdmbase << 16 | ofdmbase << 24;
539
540		rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE18_06, ofdm);
541		rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE54_24, ofdm);
542
543		mcsbase = priv->ht40_1s_tx_power_index_B[group];
544		if (ht40)
545			mcsbase += priv->ht40_tx_power_diff[tx_idx++].b;
546		else
547			mcsbase += priv->ht20_tx_power_diff[tx_idx++].b;
548		mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
549
550		rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS03_MCS00, mcs);
551		rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS07_MCS04, mcs);
552		rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS11_MCS08, mcs);
553		rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12, mcs);
554	}
555}
556
557static void rtl8192eu_log_next_device_info(struct rtl8xxxu_priv *priv,
558					   char *record_name,
559					   char *device_info,
560					   unsigned int *record_offset)
561{
562	char *record = device_info + *record_offset;
563
564	/* A record is [ total length | 0x03 | value ] */
565	unsigned char l = record[0];
566
567	/*
568	 * The whole device info section seems to be 80 characters, make sure
569	 * we don't read further.
570	 */
571	if (*record_offset + l > 80) {
572		dev_warn(&priv->udev->dev,
573			 "invalid record length %d while parsing \"%s\" at offset %u.\n",
574			 l, record_name, *record_offset);
575		return;
576	}
577
578	if (l >= 2) {
579		char value[80];
580
581		memcpy(value, &record[2], l - 2);
582		value[l - 2] = '\0';
583		dev_info(&priv->udev->dev, "%s: %s\n", record_name, value);
584		*record_offset = *record_offset + l;
585	} else {
586		dev_info(&priv->udev->dev, "%s not available.\n", record_name);
587	}
588}
589
590static int rtl8192eu_parse_efuse(struct rtl8xxxu_priv *priv)
591{
592	struct rtl8192eu_efuse *efuse = &priv->efuse_wifi.efuse8192eu;
593	unsigned int record_offset;
594	int i;
595
596	if (efuse->rtl_id != cpu_to_le16(0x8129))
597		return -EINVAL;
598
599	ether_addr_copy(priv->mac_addr, efuse->mac_addr);
600
601	memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base,
602	       sizeof(efuse->tx_power_index_A.cck_base));
603	memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base,
604	       sizeof(efuse->tx_power_index_B.cck_base));
605
606	memcpy(priv->ht40_1s_tx_power_index_A,
607	       efuse->tx_power_index_A.ht40_base,
608	       sizeof(efuse->tx_power_index_A.ht40_base));
609	memcpy(priv->ht40_1s_tx_power_index_B,
610	       efuse->tx_power_index_B.ht40_base,
611	       sizeof(efuse->tx_power_index_B.ht40_base));
612
613	priv->ht20_tx_power_diff[0].a =
614		efuse->tx_power_index_A.ht20_ofdm_1s_diff.b;
615	priv->ht20_tx_power_diff[0].b =
616		efuse->tx_power_index_B.ht20_ofdm_1s_diff.b;
617
618	priv->ht40_tx_power_diff[0].a = 0;
619	priv->ht40_tx_power_diff[0].b = 0;
620
621	for (i = 1; i < RTL8723B_TX_COUNT; i++) {
622		priv->ofdm_tx_power_diff[i].a =
623			efuse->tx_power_index_A.pwr_diff[i - 1].ofdm;
624		priv->ofdm_tx_power_diff[i].b =
625			efuse->tx_power_index_B.pwr_diff[i - 1].ofdm;
626
627		priv->ht20_tx_power_diff[i].a =
628			efuse->tx_power_index_A.pwr_diff[i - 1].ht20;
629		priv->ht20_tx_power_diff[i].b =
630			efuse->tx_power_index_B.pwr_diff[i - 1].ht20;
631
632		priv->ht40_tx_power_diff[i].a =
633			efuse->tx_power_index_A.pwr_diff[i - 1].ht40;
634		priv->ht40_tx_power_diff[i].b =
635			efuse->tx_power_index_B.pwr_diff[i - 1].ht40;
636	}
637
638	priv->has_xtalk = 1;
639	priv->xtalk = priv->efuse_wifi.efuse8192eu.xtal_k & 0x3f;
640
641	/*
642	 * device_info section seems to be laid out as records
643	 * [ total length | 0x03 | value ] so:
644	 * - vendor length + 2
645	 * - 0x03
646	 * - vendor string (not null terminated)
647	 * - product length + 2
648	 * - 0x03
649	 * - product string (not null terminated)
650	 * Then there is one or 2 0x00 on all the 4 devices I own or found
651	 * dumped online.
652	 * As previous version of the code handled an optional serial
653	 * string, I now assume there may be a third record if the
654	 * length is not 0.
655	 */
656	record_offset = 0;
657	rtl8192eu_log_next_device_info(priv, "Vendor", efuse->device_info, &record_offset);
658	rtl8192eu_log_next_device_info(priv, "Product", efuse->device_info, &record_offset);
659	rtl8192eu_log_next_device_info(priv, "Serial", efuse->device_info, &record_offset);
660
661	if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) {
662		unsigned char *raw = priv->efuse_wifi.raw;
663
664		dev_info(&priv->udev->dev,
665			 "%s: dumping efuse (0x%02zx bytes):\n",
666			 __func__, sizeof(struct rtl8192eu_efuse));
667		for (i = 0; i < sizeof(struct rtl8192eu_efuse); i += 8)
668			dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]);
669	}
670	return 0;
671}
672
673static int rtl8192eu_load_firmware(struct rtl8xxxu_priv *priv)
674{
675	char *fw_name;
676	int ret;
677
678	fw_name = "rtlwifi/rtl8192eu_nic.bin";
679
680	ret = rtl8xxxu_load_firmware(priv, fw_name);
681
682	return ret;
683}
684
685static void rtl8192eu_init_phy_bb(struct rtl8xxxu_priv *priv)
686{
687	u8 val8;
688	u16 val16;
689
690	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
691	val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF;
692	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
693
694	/* 6. 0x1f[7:0] = 0x07 */
695	val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
696	rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
697
698	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
699	val16 |= (SYS_FUNC_USBA | SYS_FUNC_USBD | SYS_FUNC_DIO_RF |
700		  SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB);
701	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
702	val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
703	rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
704	rtl8xxxu_init_phy_regs(priv, rtl8192eu_phy_init_table);
705
706	if (priv->hi_pa)
707		rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_highpa_table);
708	else
709		rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_std_table);
710}
711
712static int rtl8192eu_init_phy_rf(struct rtl8xxxu_priv *priv)
713{
714	int ret;
715
716	ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radioa_init_table, RF_A);
717	if (ret)
718		goto exit;
719
720	ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radiob_init_table, RF_B);
721
722exit:
723	return ret;
724}
725
726static int rtl8192eu_iqk_path_a(struct rtl8xxxu_priv *priv)
727{
728	u32 reg_eac, reg_e94, reg_e9c;
729	int result = 0;
730
731	/*
732	 * TX IQK
733	 * PA/PAD controlled by 0x0
734	 */
735	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
736	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00180);
737	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
738
739	/* Path A IQK setting */
740	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
741	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
742	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
743	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
744
745	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82140303);
746	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x68160000);
747
748	/* LO calibration setting */
749	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
750
751	/* One shot, path A LOK & IQK */
752	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
753	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
754
755	mdelay(10);
756
757	/* Check failed */
758	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
759	reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
760	reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
761
762	if (!(reg_eac & BIT(28)) &&
763	    ((reg_e94 & 0x03ff0000) != 0x01420000) &&
764	    ((reg_e9c & 0x03ff0000) != 0x00420000))
765		result |= 0x01;
766
767	return result;
768}
769
770static int rtl8192eu_rx_iqk_path_a(struct rtl8xxxu_priv *priv)
771{
772	u32 reg_ea4, reg_eac, reg_e94, reg_e9c, val32;
773	int result = 0;
774
775	/* Leave IQK mode */
776	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00);
777
778	/* Enable path A PA in TX IQK mode */
779	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
780	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
781	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
782	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf117b);
783
784	/* PA/PAD control by 0x56, and set = 0x0 */
785	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00980);
786	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x51000);
787
788	/* Enter IQK mode */
789	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
790
791	/* TX IQK setting */
792	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
793	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
794
795	/* path-A IQK setting */
796	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
797	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
798	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
799	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
800
801	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c1f);
802	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x68160c1f);
803
804	/* LO calibration setting */
805	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
806
807	/* One shot, path A LOK & IQK */
808	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
809	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
810
811	mdelay(10);
812
813	/* Check failed */
814	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
815	reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
816	reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
817
818	if (!(reg_eac & BIT(28)) &&
819	    ((reg_e94 & 0x03ff0000) != 0x01420000) &&
820	    ((reg_e9c & 0x03ff0000) != 0x00420000)) {
821		result |= 0x01;
822	} else {
823		/* PA/PAD controlled by 0x0 */
824		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
825		rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180);
826		goto out;
827	}
828
829	val32 = 0x80007c00 |
830		(reg_e94 & 0x03ff0000) | ((reg_e9c >> 16) & 0x03ff);
831	rtl8xxxu_write32(priv, REG_TX_IQK, val32);
832
833	/* Modify RX IQK mode table */
834	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
835
836	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
837	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
838	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
839	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7ffa);
840
841	/* PA/PAD control by 0x56, and set = 0x0 */
842	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00980);
843	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x51000);
844
845	/* Enter IQK mode */
846	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
847
848	/* IQK setting */
849	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
850
851	/* Path A IQK setting */
852	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
853	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c);
854	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
855	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
856
857	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c1f);
858	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160c1f);
859
860	/* LO calibration setting */
861	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891);
862
863	/* One shot, path A LOK & IQK */
864	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
865	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
866
867	mdelay(10);
868
869	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
870	reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
871
872	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
873	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180);
874
875	if (!(reg_eac & BIT(27)) &&
876	    ((reg_ea4 & 0x03ff0000) != 0x01320000) &&
877	    ((reg_eac & 0x03ff0000) != 0x00360000))
878		result |= 0x02;
879	else
880		dev_warn(&priv->udev->dev, "%s: Path A RX IQK failed!\n",
881			 __func__);
882
883out:
884	return result;
885}
886
887static int rtl8192eu_iqk_path_b(struct rtl8xxxu_priv *priv)
888{
889	u32 reg_eac, reg_eb4, reg_ebc;
890	int result = 0;
891
892	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
893	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00180);
894	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
895
896	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
897	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
898
899	/* Path B IQK setting */
900	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
901	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
902	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c);
903	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
904
905	rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x821403e2);
906	rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x68160000);
907
908	/* LO calibration setting */
909	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00492911);
910
911	/* One shot, path A LOK & IQK */
912	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
913	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
914
915	mdelay(1);
916
917	/* Check failed */
918	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
919	reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
920	reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
921
922	if (!(reg_eac & BIT(31)) &&
923	    ((reg_eb4 & 0x03ff0000) != 0x01420000) &&
924	    ((reg_ebc & 0x03ff0000) != 0x00420000))
925		result |= 0x01;
926	else
927		dev_warn(&priv->udev->dev, "%s: Path B IQK failed!\n",
928			 __func__);
929
930	return result;
931}
932
933static int rtl8192eu_rx_iqk_path_b(struct rtl8xxxu_priv *priv)
934{
935	u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc, val32;
936	int result = 0;
937
938	/* Leave IQK mode */
939	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
940
941	/* Enable path A PA in TX IQK mode */
942	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
943	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
944	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
945	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf117b);
946
947	/* PA/PAD control by 0x56, and set = 0x0 */
948	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00980);
949	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_56, 0x51000);
950
951	/* Enter IQK mode */
952	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
953
954	/* TX IQK setting */
955	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
956	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
957
958	/* path-A IQK setting */
959	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
960	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
961	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c);
962	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
963
964	rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82160c1f);
965	rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x68160c1f);
966
967	/* LO calibration setting */
968	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
969
970	/* One shot, path A LOK & IQK */
971	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
972	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
973
974	mdelay(10);
975
976	/* Check failed */
977	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
978	reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
979	reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
980
981	if (!(reg_eac & BIT(31)) &&
982	    ((reg_eb4 & 0x03ff0000) != 0x01420000) &&
983	    ((reg_ebc & 0x03ff0000) != 0x00420000)) {
984		result |= 0x01;
985	} else {
986		/*
987		 * PA/PAD controlled by 0x0
988		 * Vendor driver restores RF_A here which I believe is a bug
989		 */
990		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
991		rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x180);
992		goto out;
993	}
994
995	val32 = 0x80007c00 |
996		(reg_eb4 & 0x03ff0000) | ((reg_ebc >> 16) & 0x03ff);
997	rtl8xxxu_write32(priv, REG_TX_IQK, val32);
998
999	/* Modify RX IQK mode table */
1000	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1001
1002	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
1003	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
1004	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
1005	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf7ffa);
1006
1007	/* PA/PAD control by 0x56, and set = 0x0 */
1008	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x00980);
1009	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_56, 0x51000);
1010
1011	/* Enter IQK mode */
1012	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1013
1014	/* IQK setting */
1015	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1016
1017	/* Path A IQK setting */
1018	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
1019	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
1020	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
1021	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x18008c1c);
1022
1023	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160c1f);
1024	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160c1f);
1025
1026	/* LO calibration setting */
1027	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891);
1028
1029	/* One shot, path A LOK & IQK */
1030	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
1031	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
1032
1033	mdelay(10);
1034
1035	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
1036	reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2);
1037	reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2);
1038
1039	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1040	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_UNKNOWN_DF, 0x180);
1041
1042	if (!(reg_eac & BIT(30)) &&
1043	    ((reg_ec4 & 0x03ff0000) != 0x01320000) &&
1044	    ((reg_ecc & 0x03ff0000) != 0x00360000))
1045		result |= 0x02;
1046	else
1047		dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n",
1048			 __func__);
1049
1050out:
1051	return result;
1052}
1053
1054static void rtl8192eu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
1055				      int result[][8], int t)
1056{
1057	struct device *dev = &priv->udev->dev;
1058	u32 i, val32;
1059	int path_a_ok, path_b_ok;
1060	int retry = 2;
1061	static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
1062		REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
1063		REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
1064		REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
1065		REG_TX_OFDM_BBON, REG_TX_TO_RX,
1066		REG_TX_TO_TX, REG_RX_CCK,
1067		REG_RX_OFDM, REG_RX_WAIT_RIFS,
1068		REG_RX_TO_RX, REG_STANDBY,
1069		REG_SLEEP, REG_PMPD_ANAEN
1070	};
1071	static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
1072		REG_TXPAUSE, REG_BEACON_CTRL,
1073		REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
1074	};
1075	static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
1076		REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
1077		REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
1078		REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
1079		REG_FPGA0_XB_RF_INT_OE, REG_CCK0_AFE_SETTING
1080	};
1081	u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff;
1082	u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff;
1083
1084	/*
1085	 * Note: IQ calibration must be performed after loading
1086	 *       PHY_REG.txt , and radio_a, radio_b.txt
1087	 */
1088
1089	if (t == 0) {
1090		/* Save ADDA parameters, turn Path A ADDA on */
1091		rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
1092				   RTL8XXXU_ADDA_REGS);
1093		rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1094		rtl8xxxu_save_regs(priv, iqk_bb_regs,
1095				   priv->bb_backup, RTL8XXXU_BB_REGS);
1096	}
1097
1098	rtl8xxxu_path_adda_on(priv, adda_regs, true);
1099
1100	/* MAC settings */
1101	rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
1102
1103	val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
1104	val32 |= 0x0f000000;
1105	rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);
1106
1107	rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
1108	rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
1109	rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22208200);
1110
1111	val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL);
1112	val32 |= (FPGA0_RF_PAPE | (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT));
1113	rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32);
1114
1115	val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE);
1116	val32 |= BIT(10);
1117	rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, val32);
1118	val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE);
1119	val32 |= BIT(10);
1120	rtl8xxxu_write32(priv, REG_FPGA0_XB_RF_INT_OE, val32);
1121
1122	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1123	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
1124	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1125
1126	for (i = 0; i < retry; i++) {
1127		path_a_ok = rtl8192eu_iqk_path_a(priv);
1128		if (path_a_ok == 0x01) {
1129			val32 = rtl8xxxu_read32(priv,
1130						REG_TX_POWER_BEFORE_IQK_A);
1131			result[t][0] = (val32 >> 16) & 0x3ff;
1132			val32 = rtl8xxxu_read32(priv,
1133						REG_TX_POWER_AFTER_IQK_A);
1134			result[t][1] = (val32 >> 16) & 0x3ff;
1135
1136			break;
1137		}
1138	}
1139
1140	if (!path_a_ok)
1141		dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__);
1142
1143	for (i = 0; i < retry; i++) {
1144		path_a_ok = rtl8192eu_rx_iqk_path_a(priv);
1145		if (path_a_ok == 0x03) {
1146			val32 = rtl8xxxu_read32(priv,
1147						REG_RX_POWER_BEFORE_IQK_A_2);
1148			result[t][2] = (val32 >> 16) & 0x3ff;
1149			val32 = rtl8xxxu_read32(priv,
1150						REG_RX_POWER_AFTER_IQK_A_2);
1151			result[t][3] = (val32 >> 16) & 0x3ff;
1152
1153			break;
1154		}
1155	}
1156
1157	if (!path_a_ok)
1158		dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__);
1159
1160	if (priv->rf_paths > 1) {
1161		/* Path A into standby */
1162		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1163		rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000);
1164		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1165
1166		/* Turn Path B ADDA on */
1167		rtl8xxxu_path_adda_on(priv, adda_regs, false);
1168
1169		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1170		rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
1171		rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1172
1173		for (i = 0; i < retry; i++) {
1174			path_b_ok = rtl8192eu_iqk_path_b(priv);
1175			if (path_b_ok == 0x01) {
1176				val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
1177				result[t][4] = (val32 >> 16) & 0x3ff;
1178				val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
1179				result[t][5] = (val32 >> 16) & 0x3ff;
1180				break;
1181			}
1182		}
1183
1184		if (!path_b_ok)
1185			dev_dbg(dev, "%s: Path B IQK failed!\n", __func__);
1186
1187		for (i = 0; i < retry; i++) {
1188			path_b_ok = rtl8192eu_rx_iqk_path_b(priv);
1189			if (path_b_ok == 0x03) {
1190				val32 = rtl8xxxu_read32(priv,
1191							REG_RX_POWER_BEFORE_IQK_B_2);
1192				result[t][6] = (val32 >> 16) & 0x3ff;
1193				val32 = rtl8xxxu_read32(priv,
1194							REG_RX_POWER_AFTER_IQK_B_2);
1195				result[t][7] = (val32 >> 16) & 0x3ff;
1196				break;
1197			}
1198		}
1199
1200		if (!path_b_ok)
1201			dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__);
1202	}
1203
1204	/* Back to BB mode, load original value */
1205	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1206
1207	if (t) {
1208		/* Reload ADDA power saving parameters */
1209		rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
1210				      RTL8XXXU_ADDA_REGS);
1211
1212		/* Reload MAC parameters */
1213		rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1214
1215		/* Reload BB parameters */
1216		rtl8xxxu_restore_regs(priv, iqk_bb_regs,
1217				      priv->bb_backup, RTL8XXXU_BB_REGS);
1218
1219		/* Restore RX initial gain */
1220		val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1221		val32 &= 0xffffff00;
1222		rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50);
1223		rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc);
1224
1225		if (priv->rf_paths > 1) {
1226			val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1);
1227			val32 &= 0xffffff00;
1228			rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1229					 val32 | 0x50);
1230			rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1231					 val32 | xb_agc);
1232		}
1233
1234		/* Load 0xe30 IQC default value */
1235		rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
1236		rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
1237	}
1238}
1239
1240static void rtl8192eu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
1241{
1242	struct device *dev = &priv->udev->dev;
1243	int result[4][8];	/* last is final result */
1244	int i, candidate;
1245	bool path_a_ok, path_b_ok;
1246	u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
1247	u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
1248	bool simu;
1249
1250	memset(result, 0, sizeof(result));
1251	candidate = -1;
1252
1253	path_a_ok = false;
1254	path_b_ok = false;
1255
1256	for (i = 0; i < 3; i++) {
1257		rtl8192eu_phy_iqcalibrate(priv, result, i);
1258
1259		if (i == 1) {
1260			simu = rtl8xxxu_gen2_simularity_compare(priv,
1261								result, 0, 1);
1262			if (simu) {
1263				candidate = 0;
1264				break;
1265			}
1266		}
1267
1268		if (i == 2) {
1269			simu = rtl8xxxu_gen2_simularity_compare(priv,
1270								result, 0, 2);
1271			if (simu) {
1272				candidate = 0;
1273				break;
1274			}
1275
1276			simu = rtl8xxxu_gen2_simularity_compare(priv,
1277								result, 1, 2);
1278			if (simu)
1279				candidate = 1;
1280			else
1281				candidate = 3;
1282		}
1283	}
1284
1285	for (i = 0; i < 4; i++) {
1286		reg_e94 = result[i][0];
1287		reg_e9c = result[i][1];
1288		reg_ea4 = result[i][2];
1289		reg_eb4 = result[i][4];
1290		reg_ebc = result[i][5];
1291		reg_ec4 = result[i][6];
1292	}
1293
1294	if (candidate >= 0) {
1295		reg_e94 = result[candidate][0];
1296		priv->rege94 =  reg_e94;
1297		reg_e9c = result[candidate][1];
1298		priv->rege9c = reg_e9c;
1299		reg_ea4 = result[candidate][2];
1300		reg_eac = result[candidate][3];
1301		reg_eb4 = result[candidate][4];
1302		priv->regeb4 = reg_eb4;
1303		reg_ebc = result[candidate][5];
1304		priv->regebc = reg_ebc;
1305		reg_ec4 = result[candidate][6];
1306		reg_ecc = result[candidate][7];
1307		dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
1308		dev_dbg(dev,
1309			"%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n",
1310			__func__, reg_e94, reg_e9c,
1311			reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
1312		path_a_ok = true;
1313		path_b_ok = true;
1314	} else {
1315		reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
1316		reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
1317	}
1318
1319	if (reg_e94 && candidate >= 0)
1320		rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
1321					   candidate, (reg_ea4 == 0));
1322
1323	if (priv->rf_paths > 1)
1324		rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result,
1325					   candidate, (reg_ec4 == 0));
1326
1327	rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
1328			   priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
1329}
1330
1331/*
1332 * This is needed for 8723bu as well, presumable
1333 */
1334static void rtl8192e_crystal_afe_adjust(struct rtl8xxxu_priv *priv)
1335{
1336	u8 val8;
1337	u32 val32;
1338
1339	/*
1340	 * 40Mhz crystal source, MAC 0x28[2]=0
1341	 */
1342	val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL);
1343	val8 &= 0xfb;
1344	rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8);
1345
1346	val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4);
1347	val32 &= 0xfffffc7f;
1348	rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32);
1349
1350	/*
1351	 * 92e AFE parameter
1352	 * AFE PLL KVCO selection, MAC 0x28[6]=1
1353	 */
1354	val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL);
1355	val8 &= 0xbf;
1356	rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8);
1357
1358	/*
1359	 * AFE PLL KVCO selection, MAC 0x78[21]=0
1360	 */
1361	val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4);
1362	val32 &= 0xffdfffff;
1363	rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32);
1364}
1365
1366static void rtl8192e_disabled_to_emu(struct rtl8xxxu_priv *priv)
1367{
1368	u8 val8;
1369
1370	/* Clear suspend enable and power down enable*/
1371	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1372	val8 &= ~(BIT(3) | BIT(4));
1373	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1374}
1375
1376static int rtl8192e_emu_to_active(struct rtl8xxxu_priv *priv)
1377{
1378	u8 val8;
1379	u32 val32;
1380	int count, ret = 0;
1381
1382	/* disable HWPDN 0x04[15]=0*/
1383	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1384	val8 &= ~BIT(7);
1385	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1386
1387	/* disable SW LPS 0x04[10]= 0 */
1388	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1389	val8 &= ~BIT(2);
1390	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1391
1392	/* disable WL suspend*/
1393	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1394	val8 &= ~(BIT(3) | BIT(4));
1395	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1396
1397	/* wait till 0x04[17] = 1 power ready*/
1398	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1399		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1400		if (val32 & BIT(17))
1401			break;
1402
1403		udelay(10);
1404	}
1405
1406	if (!count) {
1407		ret = -EBUSY;
1408		goto exit;
1409	}
1410
1411	/* We should be able to optimize the following three entries into one */
1412
1413	/* release WLON reset 0x04[16]= 1*/
1414	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2);
1415	val8 |= BIT(0);
1416	rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8);
1417
1418	/* set, then poll until 0 */
1419	val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1420	val32 |= APS_FSMCO_MAC_ENABLE;
1421	rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1422
1423	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1424		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1425		if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
1426			ret = 0;
1427			break;
1428		}
1429		udelay(10);
1430	}
1431
1432	if (!count) {
1433		ret = -EBUSY;
1434		goto exit;
1435	}
1436
1437exit:
1438	return ret;
1439}
1440
1441static int rtl8192eu_active_to_lps(struct rtl8xxxu_priv *priv)
1442{
1443	struct device *dev = &priv->udev->dev;
1444	u8 val8;
1445	u16 val16;
1446	u32 val32;
1447	int retry, retval;
1448
1449	rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
1450
1451	retry = 100;
1452	retval = -EBUSY;
1453	/*
1454	 * Poll 32 bit wide 0x05f8 for 0x00000000 to ensure no TX is pending.
1455	 */
1456	do {
1457		val32 = rtl8xxxu_read32(priv, REG_SCH_TX_CMD);
1458		if (!val32) {
1459			retval = 0;
1460			break;
1461		}
1462	} while (retry--);
1463
1464	if (!retry) {
1465		dev_warn(dev, "Failed to flush TX queue\n");
1466		retval = -EBUSY;
1467		goto out;
1468	}
1469
1470	/* Disable CCK and OFDM, clock gated */
1471	val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
1472	val8 &= ~SYS_FUNC_BBRSTB;
1473	rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
1474
1475	udelay(2);
1476
1477	/* Reset whole BB */
1478	val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
1479	val8 &= ~SYS_FUNC_BB_GLB_RSTN;
1480	rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
1481
1482	/* Reset MAC TRX */
1483	val16 = rtl8xxxu_read16(priv, REG_CR);
1484	val16 &= 0xff00;
1485	val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE);
1486	rtl8xxxu_write16(priv, REG_CR, val16);
1487
1488	val16 = rtl8xxxu_read16(priv, REG_CR);
1489	val16 &= ~CR_SECURITY_ENABLE;
1490	rtl8xxxu_write16(priv, REG_CR, val16);
1491
1492	val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST);
1493	val8 |= DUAL_TSF_TX_OK;
1494	rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8);
1495
1496out:
1497	return retval;
1498}
1499
1500static int rtl8192eu_active_to_emu(struct rtl8xxxu_priv *priv)
1501{
1502	u8 val8;
1503	int count, ret = 0;
1504
1505	/* Turn off RF */
1506	val8 = rtl8xxxu_read8(priv, REG_RF_CTRL);
1507	val8 &= ~RF_ENABLE;
1508	rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
1509
1510	/* Switch DPDT_SEL_P output from register 0x65[2] */
1511	val8 = rtl8xxxu_read8(priv, REG_LEDCFG2);
1512	val8 &= ~LEDCFG2_DPDT_SELECT;
1513	rtl8xxxu_write8(priv, REG_LEDCFG2, val8);
1514
1515	/* 0x0005[1] = 1 turn off MAC by HW state machine*/
1516	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1517	val8 |= BIT(1);
1518	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1519
1520	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1521		val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1522		if ((val8 & BIT(1)) == 0)
1523			break;
1524		udelay(10);
1525	}
1526
1527	if (!count) {
1528		dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n",
1529			 __func__);
1530		ret = -EBUSY;
1531		goto exit;
1532	}
1533
1534exit:
1535	return ret;
1536}
1537
1538static int rtl8192eu_emu_to_disabled(struct rtl8xxxu_priv *priv)
1539{
1540	u8 val8;
1541
1542	/* 0x04[12:11] = 01 enable WL suspend */
1543	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1544	val8 &= ~(BIT(3) | BIT(4));
1545	val8 |= BIT(3);
1546	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1547
1548	return 0;
1549}
1550
1551static int rtl8192eu_power_on(struct rtl8xxxu_priv *priv)
1552{
1553	u16 val16;
1554	u32 val32;
1555	int ret;
1556
1557	ret = 0;
1558
1559	val32 = rtl8xxxu_read32(priv, REG_SYS_CFG);
1560	if (val32 & SYS_CFG_SPS_LDO_SEL) {
1561		rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0xc3);
1562	} else {
1563		/*
1564		 * Raise 1.2V voltage
1565		 */
1566		val32 = rtl8xxxu_read32(priv, REG_8192E_LDOV12_CTRL);
1567		val32 &= 0xff0fffff;
1568		val32 |= 0x00500000;
1569		rtl8xxxu_write32(priv, REG_8192E_LDOV12_CTRL, val32);
1570		rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0x83);
1571	}
1572
1573	/*
1574	 * Adjust AFE before enabling PLL
1575	 */
1576	rtl8192e_crystal_afe_adjust(priv);
1577	rtl8192e_disabled_to_emu(priv);
1578
1579	ret = rtl8192e_emu_to_active(priv);
1580	if (ret)
1581		goto exit;
1582
1583	rtl8xxxu_write16(priv, REG_CR, 0x0000);
1584
1585	/*
1586	 * Enable MAC DMA/WMAC/SCHEDULE/SEC block
1587	 * Set CR bit10 to enable 32k calibration.
1588	 */
1589	val16 = rtl8xxxu_read16(priv, REG_CR);
1590	val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
1591		  CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
1592		  CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
1593		  CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
1594		  CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
1595	rtl8xxxu_write16(priv, REG_CR, val16);
1596
1597exit:
1598	return ret;
1599}
1600
1601static void rtl8192eu_power_off(struct rtl8xxxu_priv *priv)
1602{
1603	u8 val8;
1604	u16 val16;
1605
1606	rtl8xxxu_flush_fifo(priv);
1607
1608	val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
1609	val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
1610	rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
1611
1612	/* Turn off RF */
1613	rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00);
1614
1615	rtl8192eu_active_to_lps(priv);
1616
1617	/* Reset Firmware if running in RAM */
1618	if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
1619		rtl8xxxu_firmware_self_reset(priv);
1620
1621	/* Reset MCU */
1622	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1623	val16 &= ~SYS_FUNC_CPU_ENABLE;
1624	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1625
1626	/* Reset MCU ready status */
1627	rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
1628
1629	rtl8xxxu_reset_8051(priv);
1630
1631	rtl8192eu_active_to_emu(priv);
1632	rtl8192eu_emu_to_disabled(priv);
1633}
1634
1635static void rtl8192e_enable_rf(struct rtl8xxxu_priv *priv)
1636{
1637	u32 val32;
1638	u8 val8;
1639
1640	val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA);
1641	val32 |= (BIT(22) | BIT(23));
1642	rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32);
1643
1644	val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
1645	val8 |= BIT(5);
1646	rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
1647
1648	/*
1649	 * WLAN action by PTA
1650	 */
1651	rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
1652
1653	val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
1654	val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1655	rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
1656
1657	val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
1658	val32 |= (BIT(0) | BIT(1));
1659	rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
1660
1661	rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77);
1662
1663	val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1664	val32 &= ~BIT(24);
1665	val32 |= BIT(23);
1666	rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1667
1668	/*
1669	 * Fix external switch Main->S1, Aux->S0
1670	 */
1671	val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1672	val8 &= ~BIT(0);
1673	rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1674
1675	/*
1676	 * Fix transmission failure of rtl8192e.
1677	 */
1678	rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
1679}
1680
1681struct rtl8xxxu_fileops rtl8192eu_fops = {
1682	.parse_efuse = rtl8192eu_parse_efuse,
1683	.load_firmware = rtl8192eu_load_firmware,
1684	.power_on = rtl8192eu_power_on,
1685	.power_off = rtl8192eu_power_off,
1686	.reset_8051 = rtl8xxxu_reset_8051,
1687	.llt_init = rtl8xxxu_auto_llt_table,
1688	.init_phy_bb = rtl8192eu_init_phy_bb,
1689	.init_phy_rf = rtl8192eu_init_phy_rf,
1690	.phy_iq_calibrate = rtl8192eu_phy_iq_calibrate,
1691	.config_channel = rtl8xxxu_gen2_config_channel,
1692	.parse_rx_desc = rtl8xxxu_parse_rxdesc24,
1693	.enable_rf = rtl8192e_enable_rf,
1694	.disable_rf = rtl8xxxu_gen2_disable_rf,
1695	.usb_quirks = rtl8xxxu_gen2_usb_quirks,
1696	.set_tx_power = rtl8192e_set_tx_power,
1697	.update_rate_mask = rtl8xxxu_gen2_update_rate_mask,
1698	.report_connect = rtl8xxxu_gen2_report_connect,
1699	.fill_txdesc = rtl8xxxu_fill_txdesc_v2,
1700	.writeN_block_size = 128,
1701	.tx_desc_size = sizeof(struct rtl8xxxu_txdesc40),
1702	.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24),
1703	.has_s0s1 = 0,
1704	.gen2_thermal_meter = 1,
1705	.needs_full_init = 1,
1706	.adda_1t_init = 0x0fc01616,
1707	.adda_1t_path_on = 0x0fc01616,
1708	.adda_2t_path_on_a = 0x0fc01616,
1709	.adda_2t_path_on_b = 0x0fc01616,
1710	.trxff_boundary = 0x3cff,
1711	.mactable = rtl8192e_mac_init_table,
1712	.total_page_num = TX_TOTAL_PAGE_NUM_8192E,
1713	.page_num_hi = TX_PAGE_NUM_HI_PQ_8192E,
1714	.page_num_lo = TX_PAGE_NUM_LO_PQ_8192E,
1715	.page_num_norm = TX_PAGE_NUM_NORM_PQ_8192E,
1716};
1717