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 const 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 const 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 const 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 const 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 const 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 const 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 int rtl8192eu_identify_chip(struct rtl8xxxu_priv *priv)
482{
483	struct device *dev = &priv->udev->dev;
484	u32 val32, bonding, sys_cfg, vendor;
485	int ret = 0;
486
487	sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
488	priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
489	if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
490		dev_info(dev, "Unsupported test chip\n");
491		ret = -ENOTSUPP;
492		goto out;
493	}
494
495	bonding = rtl8xxxu_read32(priv, REG_HPON_FSM);
496	bonding &= HPON_FSM_BONDING_MASK;
497	if (bonding == HPON_FSM_BONDING_1T2R) {
498		strscpy(priv->chip_name, "8191EU", sizeof(priv->chip_name));
499		priv->tx_paths = 1;
500		priv->rtl_chip = RTL8191E;
501	} else {
502		strscpy(priv->chip_name, "8192EU", sizeof(priv->chip_name));
503		priv->tx_paths = 2;
504		priv->rtl_chip = RTL8192E;
505	}
506	priv->rf_paths = 2;
507	priv->rx_paths = 2;
508	priv->has_wifi = 1;
509
510	vendor = sys_cfg & SYS_CFG_VENDOR_EXT_MASK;
511	rtl8xxxu_identify_vendor_2bits(priv, vendor);
512
513	val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
514	priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);
515
516	rtl8xxxu_config_endpoints_sie(priv);
517
518	/*
519	 * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX
520	 */
521	if (!priv->ep_tx_count)
522		ret = rtl8xxxu_config_endpoints_no_sie(priv);
523
524out:
525	return ret;
526}
527
528static void
529rtl8192e_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
530{
531	u32 val32, ofdm, mcs;
532	u8 cck, ofdmbase, mcsbase;
533	int group, tx_idx;
534
535	tx_idx = 0;
536	group = rtl8xxxu_gen2_channel_to_group(channel);
537
538	cck = priv->cck_tx_power_index_A[group];
539
540	val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
541	val32 &= 0xffff00ff;
542	val32 |= (cck << 8);
543	rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
544
545	val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
546	val32 &= 0xff;
547	val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
548	rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
549
550	ofdmbase = priv->ht40_1s_tx_power_index_A[group];
551	ofdmbase += priv->ofdm_tx_power_diff[tx_idx].a;
552	ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24;
553
554	rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
555	rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
556
557	mcsbase = priv->ht40_1s_tx_power_index_A[group];
558	if (ht40)
559		mcsbase += priv->ht40_tx_power_diff[tx_idx++].a;
560	else
561		mcsbase += priv->ht20_tx_power_diff[tx_idx++].a;
562	mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
563
564	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
565	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
566	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, mcs);
567	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, mcs);
568
569	if (priv->tx_paths > 1) {
570		cck = priv->cck_tx_power_index_B[group];
571
572		val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK1_55_MCS32);
573		val32 &= 0xff;
574		val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
575		rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK1_55_MCS32, val32);
576
577		val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
578		val32 &= 0xffffff00;
579		val32 |= cck;
580		rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
581
582		ofdmbase = priv->ht40_1s_tx_power_index_B[group];
583		ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b;
584		ofdm = ofdmbase | ofdmbase << 8 |
585			ofdmbase << 16 | ofdmbase << 24;
586
587		rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE18_06, ofdm);
588		rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE54_24, ofdm);
589
590		mcsbase = priv->ht40_1s_tx_power_index_B[group];
591		if (ht40)
592			mcsbase += priv->ht40_tx_power_diff[tx_idx++].b;
593		else
594			mcsbase += priv->ht20_tx_power_diff[tx_idx++].b;
595		mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
596
597		rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS03_MCS00, mcs);
598		rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS07_MCS04, mcs);
599		rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS11_MCS08, mcs);
600		rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12, mcs);
601	}
602}
603
604static int rtl8192eu_parse_efuse(struct rtl8xxxu_priv *priv)
605{
606	struct rtl8192eu_efuse *efuse = &priv->efuse_wifi.efuse8192eu;
607	int i;
608
609	if (efuse->rtl_id != cpu_to_le16(0x8129))
610		return -EINVAL;
611
612	ether_addr_copy(priv->mac_addr, efuse->mac_addr);
613
614	memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base,
615	       sizeof(efuse->tx_power_index_A.cck_base));
616	memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base,
617	       sizeof(efuse->tx_power_index_B.cck_base));
618
619	memcpy(priv->ht40_1s_tx_power_index_A,
620	       efuse->tx_power_index_A.ht40_base,
621	       sizeof(efuse->tx_power_index_A.ht40_base));
622	memcpy(priv->ht40_1s_tx_power_index_B,
623	       efuse->tx_power_index_B.ht40_base,
624	       sizeof(efuse->tx_power_index_B.ht40_base));
625
626	priv->ht20_tx_power_diff[0].a =
627		efuse->tx_power_index_A.ht20_ofdm_1s_diff.b;
628	priv->ht20_tx_power_diff[0].b =
629		efuse->tx_power_index_B.ht20_ofdm_1s_diff.b;
630
631	priv->ht40_tx_power_diff[0].a = 0;
632	priv->ht40_tx_power_diff[0].b = 0;
633
634	for (i = 1; i < RTL8723B_TX_COUNT; i++) {
635		priv->ofdm_tx_power_diff[i].a =
636			efuse->tx_power_index_A.pwr_diff[i - 1].ofdm;
637		priv->ofdm_tx_power_diff[i].b =
638			efuse->tx_power_index_B.pwr_diff[i - 1].ofdm;
639
640		priv->ht20_tx_power_diff[i].a =
641			efuse->tx_power_index_A.pwr_diff[i - 1].ht20;
642		priv->ht20_tx_power_diff[i].b =
643			efuse->tx_power_index_B.pwr_diff[i - 1].ht20;
644
645		priv->ht40_tx_power_diff[i].a =
646			efuse->tx_power_index_A.pwr_diff[i - 1].ht40;
647		priv->ht40_tx_power_diff[i].b =
648			efuse->tx_power_index_B.pwr_diff[i - 1].ht40;
649	}
650
651	priv->default_crystal_cap = priv->efuse_wifi.efuse8192eu.xtal_k & 0x3f;
652
653	return 0;
654}
655
656static int rtl8192eu_load_firmware(struct rtl8xxxu_priv *priv)
657{
658	const char *fw_name;
659	int ret;
660
661	fw_name = "rtlwifi/rtl8192eu_nic.bin";
662
663	ret = rtl8xxxu_load_firmware(priv, fw_name);
664
665	return ret;
666}
667
668static void rtl8192eu_init_phy_bb(struct rtl8xxxu_priv *priv)
669{
670	u8 val8;
671	u16 val16;
672
673	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
674	val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF;
675	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
676
677	/* 6. 0x1f[7:0] = 0x07 */
678	val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
679	rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
680
681	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
682	val16 |= (SYS_FUNC_USBA | SYS_FUNC_USBD | SYS_FUNC_DIO_RF |
683		  SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB);
684	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
685	val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
686	rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
687	rtl8xxxu_init_phy_regs(priv, rtl8192eu_phy_init_table);
688
689	if (priv->hi_pa)
690		rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_highpa_table);
691	else
692		rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8192eu_std_table);
693}
694
695static int rtl8192eu_init_phy_rf(struct rtl8xxxu_priv *priv)
696{
697	int ret;
698
699	ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radioa_init_table, RF_A);
700	if (ret)
701		goto exit;
702
703	ret = rtl8xxxu_init_phy_rf(priv, rtl8192eu_radiob_init_table, RF_B);
704
705exit:
706	return ret;
707}
708
709static int rtl8192eu_iqk_path_a(struct rtl8xxxu_priv *priv)
710{
711	u32 reg_eac, reg_e94, reg_e9c;
712	int result = 0;
713
714	/*
715	 * TX IQK
716	 * PA/PAD controlled by 0x0
717	 */
718	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
719	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x00180);
720
721	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
722	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000);
723	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
724	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0x07f77);
725
726	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
727
728	/* Path A IQK setting */
729	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
730	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
731	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
732	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
733
734	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82140303);
735	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x68160000);
736
737	/* LO calibration setting */
738	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
739
740	/* One shot, path A LOK & IQK */
741	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
742	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
743
744	mdelay(10);
745
746	/* Check failed */
747	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
748	reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
749	reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
750
751	if (!(reg_eac & BIT(28)) &&
752	    ((reg_e94 & 0x03ff0000) != 0x01420000) &&
753	    ((reg_e9c & 0x03ff0000) != 0x00420000))
754		result |= 0x01;
755
756	return result;
757}
758
759static int rtl8192eu_rx_iqk_path_a(struct rtl8xxxu_priv *priv)
760{
761	u32 reg_ea4, reg_eac, reg_e94, reg_e9c, val32;
762	int result = 0;
763
764	/* Leave IQK mode */
765	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00);
766
767	/* Enable path A PA in TX IQK mode */
768	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
769	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
770	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
771	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf1173);
772
773	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
774	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
775	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
776	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf1173);
777
778	/* PA/PAD control by 0x56, and set = 0x0 */
779	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x00980);
780	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_PAD_TXG, 0x511e0);
781
782	/* Enter IQK mode */
783	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
784
785	/* TX IQK setting */
786	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
787	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
788
789	/* path-A IQK setting */
790	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
791	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
792	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
793	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
794
795	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x8216031f);
796	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x6816031f);
797
798	/* LO calibration setting */
799	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
800
801	/* One shot, path A LOK & IQK */
802	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
803	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
804
805	mdelay(10);
806
807	/* Check failed */
808	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
809	reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
810	reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
811
812	if (!(reg_eac & BIT(28)) &&
813	    ((reg_e94 & 0x03ff0000) != 0x01420000) &&
814	    ((reg_e9c & 0x03ff0000) != 0x00420000)) {
815		result |= 0x01;
816	} else {
817		/* PA/PAD controlled by 0x0 */
818		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
819		rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x180);
820		goto out;
821	}
822
823	val32 = 0x80007c00 |
824		(reg_e94 & 0x03ff0000) | ((reg_e9c >> 16) & 0x03ff);
825	rtl8xxxu_write32(priv, REG_TX_IQK, val32);
826
827	/* Modify RX IQK mode table */
828	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
829
830	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
831	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
832	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
833	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7ff2);
834
835	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
836	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
837	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
838	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf7ff2);
839
840	/* PA/PAD control by 0x56, and set = 0x0 */
841	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x00980);
842	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_PAD_TXG, 0x510e0);
843
844	/* Enter IQK mode */
845	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
846
847	/* IQK setting */
848	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
849
850	/* Path A IQK setting */
851	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
852	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c);
853	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
854	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
855
856	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821608ff);
857	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x281608ff);
858
859	/* LO calibration setting */
860	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891);
861
862	/* One shot, path A LOK & IQK */
863	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
864	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
865
866	mdelay(10);
867
868	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
869	reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
870
871	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
872	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x180);
873
874	if (!(reg_eac & BIT(27)) &&
875	    ((reg_ea4 & 0x03ff0000) != 0x01320000) &&
876	    ((reg_eac & 0x03ff0000) != 0x00360000))
877		result |= 0x02;
878	else
879		dev_warn(&priv->udev->dev, "%s: Path A RX IQK failed!\n",
880			 __func__);
881
882out:
883	return result;
884}
885
886static int rtl8192eu_iqk_path_b(struct rtl8xxxu_priv *priv)
887{
888	u32 reg_eac, reg_eb4, reg_ebc;
889	int result = 0;
890
891	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
892	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_GAIN_CCA, 0x00180);
893
894	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
895	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x20000);
896	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
897	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0x07f77);
898
899	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
900
901	/* Path B IQK setting */
902	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
903	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
904	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c);
905	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
906
907	rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82140303);
908	rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x68160000);
909
910	/* LO calibration setting */
911	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
912
913	/* One shot, path A LOK & IQK */
914	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
915	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
916
917	mdelay(1);
918
919	/* Check failed */
920	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
921	reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
922	reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
923
924	if (!(reg_eac & BIT(31)) &&
925	    ((reg_eb4 & 0x03ff0000) != 0x01420000) &&
926	    ((reg_ebc & 0x03ff0000) != 0x00420000))
927		result |= 0x01;
928	else
929		dev_warn(&priv->udev->dev, "%s: Path B IQK failed!\n",
930			 __func__);
931
932	return result;
933}
934
935static int rtl8192eu_rx_iqk_path_b(struct rtl8xxxu_priv *priv)
936{
937	u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc, val32;
938	int result = 0;
939
940	/* Leave IQK mode */
941	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
942
943	/* Enable path A PA in TX IQK mode */
944	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
945	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
946	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
947	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf1173);
948
949	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
950	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
951	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
952	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf1173);
953
954	/* PA/PAD control by 0x56, and set = 0x0 */
955	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_GAIN_CCA, 0x00980);
956	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_PAD_TXG, 0x511e0);
957
958	/* Enter IQK mode */
959	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
960
961	/* TX IQK setting */
962	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
963	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
964
965	/* path-A IQK setting */
966	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
967	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
968	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x18008c1c);
969	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
970
971	rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x8216031f);
972	rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x6816031f);
973
974	/* LO calibration setting */
975	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
976
977	/* One shot, path A LOK & IQK */
978	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
979	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
980
981	mdelay(10);
982
983	/* Check failed */
984	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
985	reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
986	reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
987
988	if (!(reg_eac & BIT(31)) &&
989	    ((reg_eb4 & 0x03ff0000) != 0x01420000) &&
990	    ((reg_ebc & 0x03ff0000) != 0x00420000)) {
991		result |= 0x01;
992	} else {
993		/*
994		 * PA/PAD controlled by 0x0
995		 * Vendor driver restores RF_A here which I believe is a bug
996		 */
997		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
998		rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_GAIN_CCA, 0x180);
999		goto out;
1000	}
1001
1002	val32 = 0x80007c00 |
1003		(reg_eb4 & 0x03ff0000) | ((reg_ebc >> 16) & 0x03ff);
1004	rtl8xxxu_write32(priv, REG_TX_IQK, val32);
1005
1006	/* Modify RX IQK mode table */
1007	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1008
1009	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_WE_LUT, 0x800a0);
1010	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_RCK_OS, 0x30000);
1011	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G1, 0x0000f);
1012	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_TXPA_G2, 0xf7ff2);
1013
1014	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, 0x800a0);
1015	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
1016	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f);
1017	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7ff2);
1018
1019	/* PA/PAD control by 0x56, and set = 0x0 */
1020	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_GAIN_CCA, 0x00980);
1021	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_PAD_TXG, 0x510e0);
1022
1023	/* Enter IQK mode */
1024	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1025
1026	/* IQK setting */
1027	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1028
1029	/* Path A IQK setting */
1030	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
1031	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
1032	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
1033	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x18008c1c);
1034
1035	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821608ff);
1036	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x281608ff);
1037
1038	/* LO calibration setting */
1039	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a891);
1040
1041	/* One shot, path A LOK & IQK */
1042	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xfa000000);
1043	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
1044
1045	mdelay(10);
1046
1047	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
1048	reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2);
1049	reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2);
1050
1051	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1052	rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_GAIN_CCA, 0x180);
1053
1054	if (!(reg_eac & BIT(30)) &&
1055	    ((reg_ec4 & 0x03ff0000) != 0x01320000) &&
1056	    ((reg_ecc & 0x03ff0000) != 0x00360000))
1057		result |= 0x02;
1058	else
1059		dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n",
1060			 __func__);
1061
1062out:
1063	return result;
1064}
1065
1066static void rtl8192eu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
1067				      int result[][8], int t)
1068{
1069	struct device *dev = &priv->udev->dev;
1070	u32 i, val32;
1071	int path_a_ok, path_b_ok;
1072	int retry = 2;
1073	static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
1074		REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
1075		REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
1076		REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
1077		REG_TX_OFDM_BBON, REG_TX_TO_RX,
1078		REG_TX_TO_TX, REG_RX_CCK,
1079		REG_RX_OFDM, REG_RX_WAIT_RIFS,
1080		REG_RX_TO_RX, REG_STANDBY,
1081		REG_SLEEP, REG_PMPD_ANAEN
1082	};
1083	static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
1084		REG_TXPAUSE, REG_BEACON_CTRL,
1085		REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
1086	};
1087	static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
1088		REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
1089		REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
1090		REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
1091		REG_FPGA0_XB_RF_INT_OE, REG_CCK0_AFE_SETTING
1092	};
1093	u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff;
1094	u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff;
1095
1096	/*
1097	 * Note: IQ calibration must be performed after loading
1098	 *       PHY_REG.txt , and radio_a, radio_b.txt
1099	 */
1100
1101	if (t == 0) {
1102		/* Save ADDA parameters, turn Path A ADDA on */
1103		rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
1104				   RTL8XXXU_ADDA_REGS);
1105		rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1106		rtl8xxxu_save_regs(priv, iqk_bb_regs,
1107				   priv->bb_backup, RTL8XXXU_BB_REGS);
1108	}
1109
1110	rtl8xxxu_path_adda_on(priv, adda_regs, true);
1111
1112	/* MAC settings */
1113	rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
1114
1115	val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
1116	val32 |= 0x0f000000;
1117	rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);
1118
1119	rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
1120	rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
1121	rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22208200);
1122
1123	val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL);
1124	val32 |= (FPGA0_RF_PAPE | (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT));
1125	rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32);
1126
1127	val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE);
1128	val32 |= BIT(10);
1129	rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, val32);
1130	val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE);
1131	val32 |= BIT(10);
1132	rtl8xxxu_write32(priv, REG_FPGA0_XB_RF_INT_OE, val32);
1133
1134	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1135	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
1136	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1137
1138	for (i = 0; i < retry; i++) {
1139		path_a_ok = rtl8192eu_iqk_path_a(priv);
1140		if (path_a_ok == 0x01) {
1141			val32 = rtl8xxxu_read32(priv,
1142						REG_TX_POWER_BEFORE_IQK_A);
1143			result[t][0] = (val32 >> 16) & 0x3ff;
1144			val32 = rtl8xxxu_read32(priv,
1145						REG_TX_POWER_AFTER_IQK_A);
1146			result[t][1] = (val32 >> 16) & 0x3ff;
1147
1148			break;
1149		}
1150	}
1151
1152	if (!path_a_ok)
1153		dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__);
1154
1155	for (i = 0; i < retry; i++) {
1156		path_a_ok = rtl8192eu_rx_iqk_path_a(priv);
1157		if (path_a_ok == 0x03) {
1158			val32 = rtl8xxxu_read32(priv,
1159						REG_RX_POWER_BEFORE_IQK_A_2);
1160			result[t][2] = (val32 >> 16) & 0x3ff;
1161			val32 = rtl8xxxu_read32(priv,
1162						REG_RX_POWER_AFTER_IQK_A_2);
1163			result[t][3] = (val32 >> 16) & 0x3ff;
1164
1165			break;
1166		}
1167	}
1168
1169	if (!path_a_ok)
1170		dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__);
1171
1172	if (priv->rf_paths > 1) {
1173		/* Path A into standby */
1174		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1175		rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000);
1176		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1177
1178		/* Turn Path B ADDA on */
1179		rtl8xxxu_path_adda_on(priv, adda_regs, false);
1180
1181		rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
1182		rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
1183		rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
1184
1185		for (i = 0; i < retry; i++) {
1186			path_b_ok = rtl8192eu_iqk_path_b(priv);
1187			if (path_b_ok == 0x01) {
1188				val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
1189				result[t][4] = (val32 >> 16) & 0x3ff;
1190				val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
1191				result[t][5] = (val32 >> 16) & 0x3ff;
1192				break;
1193			}
1194		}
1195
1196		if (!path_b_ok)
1197			dev_dbg(dev, "%s: Path B IQK failed!\n", __func__);
1198
1199		for (i = 0; i < retry; i++) {
1200			path_b_ok = rtl8192eu_rx_iqk_path_b(priv);
1201			if (path_b_ok == 0x03) {
1202				val32 = rtl8xxxu_read32(priv,
1203							REG_RX_POWER_BEFORE_IQK_B_2);
1204				result[t][6] = (val32 >> 16) & 0x3ff;
1205				val32 = rtl8xxxu_read32(priv,
1206							REG_RX_POWER_AFTER_IQK_B_2);
1207				result[t][7] = (val32 >> 16) & 0x3ff;
1208				break;
1209			}
1210		}
1211
1212		if (!path_b_ok)
1213			dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__);
1214	}
1215
1216	/* Back to BB mode, load original value */
1217	rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x00000000);
1218
1219	if (t) {
1220		/* Reload ADDA power saving parameters */
1221		rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
1222				      RTL8XXXU_ADDA_REGS);
1223
1224		/* Reload MAC parameters */
1225		rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1226
1227		/* Reload BB parameters */
1228		rtl8xxxu_restore_regs(priv, iqk_bb_regs,
1229				      priv->bb_backup, RTL8XXXU_BB_REGS);
1230
1231		/* Restore RX initial gain */
1232		val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1233		val32 &= 0xffffff00;
1234		rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50);
1235		rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc);
1236
1237		if (priv->rf_paths > 1) {
1238			val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1);
1239			val32 &= 0xffffff00;
1240			rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1241					 val32 | 0x50);
1242			rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1243					 val32 | xb_agc);
1244		}
1245
1246		/* Load 0xe30 IQC default value */
1247		rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
1248		rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
1249	}
1250}
1251
1252static void rtl8192eu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
1253{
1254	struct device *dev = &priv->udev->dev;
1255	int result[4][8];	/* last is final result */
1256	int i, candidate;
1257	bool path_a_ok, path_b_ok;
1258	u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
1259	u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
1260	bool simu;
1261
1262	memset(result, 0, sizeof(result));
1263	candidate = -1;
1264
1265	path_a_ok = false;
1266	path_b_ok = false;
1267
1268	for (i = 0; i < 3; i++) {
1269		rtl8192eu_phy_iqcalibrate(priv, result, i);
1270
1271		if (i == 1) {
1272			simu = rtl8xxxu_gen2_simularity_compare(priv,
1273								result, 0, 1);
1274			if (simu) {
1275				candidate = 0;
1276				break;
1277			}
1278		}
1279
1280		if (i == 2) {
1281			simu = rtl8xxxu_gen2_simularity_compare(priv,
1282								result, 0, 2);
1283			if (simu) {
1284				candidate = 0;
1285				break;
1286			}
1287
1288			simu = rtl8xxxu_gen2_simularity_compare(priv,
1289								result, 1, 2);
1290			if (simu)
1291				candidate = 1;
1292			else
1293				candidate = 3;
1294		}
1295	}
1296
1297	for (i = 0; i < 4; i++) {
1298		reg_e94 = result[i][0];
1299		reg_e9c = result[i][1];
1300		reg_ea4 = result[i][2];
1301		reg_eb4 = result[i][4];
1302		reg_ebc = result[i][5];
1303		reg_ec4 = result[i][6];
1304	}
1305
1306	if (candidate >= 0) {
1307		reg_e94 = result[candidate][0];
1308		priv->rege94 =  reg_e94;
1309		reg_e9c = result[candidate][1];
1310		priv->rege9c = reg_e9c;
1311		reg_ea4 = result[candidate][2];
1312		reg_eac = result[candidate][3];
1313		reg_eb4 = result[candidate][4];
1314		priv->regeb4 = reg_eb4;
1315		reg_ebc = result[candidate][5];
1316		priv->regebc = reg_ebc;
1317		reg_ec4 = result[candidate][6];
1318		reg_ecc = result[candidate][7];
1319		dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
1320		dev_dbg(dev,
1321			"%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n",
1322			__func__, reg_e94, reg_e9c,
1323			reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
1324		path_a_ok = true;
1325		path_b_ok = true;
1326	} else {
1327		reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
1328		reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
1329	}
1330
1331	if (reg_e94 && candidate >= 0)
1332		rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
1333					   candidate, (reg_ea4 == 0));
1334
1335	if (priv->rf_paths > 1)
1336		rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result,
1337					   candidate, (reg_ec4 == 0));
1338
1339	rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
1340			   priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
1341}
1342
1343/*
1344 * This is needed for 8723bu as well, presumable
1345 */
1346static void rtl8192e_crystal_afe_adjust(struct rtl8xxxu_priv *priv)
1347{
1348	u8 val8;
1349	u32 val32;
1350
1351	/*
1352	 * 40Mhz crystal source, MAC 0x28[2]=0
1353	 */
1354	val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL);
1355	val8 &= 0xfb;
1356	rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8);
1357
1358	val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4);
1359	val32 &= 0xfffffc7f;
1360	rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32);
1361
1362	/*
1363	 * 92e AFE parameter
1364	 * AFE PLL KVCO selection, MAC 0x28[6]=1
1365	 */
1366	val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL);
1367	val8 &= 0xbf;
1368	rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8);
1369
1370	/*
1371	 * AFE PLL KVCO selection, MAC 0x78[21]=0
1372	 */
1373	val32 = rtl8xxxu_read32(priv, REG_AFE_CTRL4);
1374	val32 &= 0xffdfffff;
1375	rtl8xxxu_write32(priv, REG_AFE_CTRL4, val32);
1376}
1377
1378static void rtl8192e_disabled_to_emu(struct rtl8xxxu_priv *priv)
1379{
1380	u8 val8;
1381
1382	/* Clear suspend enable and power down enable*/
1383	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1384	val8 &= ~(BIT(3) | BIT(4));
1385	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1386}
1387
1388static int rtl8192e_emu_to_active(struct rtl8xxxu_priv *priv)
1389{
1390	u8 val8;
1391	u32 val32;
1392	int count, ret = 0;
1393
1394	/* disable HWPDN 0x04[15]=0*/
1395	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1396	val8 &= ~BIT(7);
1397	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1398
1399	/* disable SW LPS 0x04[10]= 0 */
1400	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1401	val8 &= ~BIT(2);
1402	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1403
1404	/* disable WL suspend*/
1405	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1406	val8 &= ~(BIT(3) | BIT(4));
1407	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1408
1409	/* wait till 0x04[17] = 1 power ready*/
1410	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1411		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1412		if (val32 & BIT(17))
1413			break;
1414
1415		udelay(10);
1416	}
1417
1418	if (!count) {
1419		ret = -EBUSY;
1420		goto exit;
1421	}
1422
1423	/* We should be able to optimize the following three entries into one */
1424
1425	/* release WLON reset 0x04[16]= 1*/
1426	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2);
1427	val8 |= BIT(0);
1428	rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8);
1429
1430	/* set, then poll until 0 */
1431	val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1432	val32 |= APS_FSMCO_MAC_ENABLE;
1433	rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1434
1435	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1436		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1437		if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
1438			ret = 0;
1439			break;
1440		}
1441		udelay(10);
1442	}
1443
1444	if (!count) {
1445		ret = -EBUSY;
1446		goto exit;
1447	}
1448
1449exit:
1450	return ret;
1451}
1452
1453static int rtl8192eu_active_to_lps(struct rtl8xxxu_priv *priv)
1454{
1455	struct device *dev = &priv->udev->dev;
1456	u8 val8;
1457	u16 val16;
1458	u32 val32;
1459	int retry, retval;
1460
1461	rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
1462
1463	retry = 100;
1464	retval = -EBUSY;
1465	/*
1466	 * Poll 32 bit wide 0x05f8 for 0x00000000 to ensure no TX is pending.
1467	 */
1468	do {
1469		val32 = rtl8xxxu_read32(priv, REG_SCH_TX_CMD);
1470		if (!val32) {
1471			retval = 0;
1472			break;
1473		}
1474	} while (retry--);
1475
1476	if (!retry) {
1477		dev_warn(dev, "Failed to flush TX queue\n");
1478		retval = -EBUSY;
1479		goto out;
1480	}
1481
1482	/* Disable CCK and OFDM, clock gated */
1483	val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
1484	val8 &= ~SYS_FUNC_BBRSTB;
1485	rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
1486
1487	udelay(2);
1488
1489	/* Reset whole BB */
1490	val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
1491	val8 &= ~SYS_FUNC_BB_GLB_RSTN;
1492	rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
1493
1494	/* Reset MAC TRX */
1495	val16 = rtl8xxxu_read16(priv, REG_CR);
1496	val16 &= 0xff00;
1497	val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE);
1498	rtl8xxxu_write16(priv, REG_CR, val16);
1499
1500	val16 = rtl8xxxu_read16(priv, REG_CR);
1501	val16 &= ~CR_SECURITY_ENABLE;
1502	rtl8xxxu_write16(priv, REG_CR, val16);
1503
1504	val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST);
1505	val8 |= DUAL_TSF_TX_OK;
1506	rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8);
1507
1508out:
1509	return retval;
1510}
1511
1512static int rtl8192eu_active_to_emu(struct rtl8xxxu_priv *priv)
1513{
1514	u8 val8;
1515	int count, ret = 0;
1516
1517	/* Turn off RF */
1518	val8 = rtl8xxxu_read8(priv, REG_RF_CTRL);
1519	val8 &= ~RF_ENABLE;
1520	rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
1521
1522	/* Switch DPDT_SEL_P output from register 0x65[2] */
1523	val8 = rtl8xxxu_read8(priv, REG_LEDCFG2);
1524	val8 &= ~LEDCFG2_DPDT_SELECT;
1525	rtl8xxxu_write8(priv, REG_LEDCFG2, val8);
1526
1527	/* 0x0005[1] = 1 turn off MAC by HW state machine*/
1528	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1529	val8 |= BIT(1);
1530	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1531
1532	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1533		val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1534		if ((val8 & BIT(1)) == 0)
1535			break;
1536		udelay(10);
1537	}
1538
1539	if (!count) {
1540		dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n",
1541			 __func__);
1542		ret = -EBUSY;
1543		goto exit;
1544	}
1545
1546exit:
1547	return ret;
1548}
1549
1550static int rtl8192eu_emu_to_disabled(struct rtl8xxxu_priv *priv)
1551{
1552	u8 val8;
1553
1554	/* 0x04[12:11] = 01 enable WL suspend */
1555	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1556	val8 &= ~(BIT(3) | BIT(4));
1557	val8 |= BIT(3);
1558	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1559
1560	return 0;
1561}
1562
1563static int rtl8192eu_power_on(struct rtl8xxxu_priv *priv)
1564{
1565	u16 val16;
1566	u32 val32;
1567	int ret;
1568
1569	val32 = rtl8xxxu_read32(priv, REG_SYS_CFG);
1570	if (val32 & SYS_CFG_SPS_LDO_SEL) {
1571		rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0xc3);
1572	} else {
1573		/*
1574		 * Raise 1.2V voltage
1575		 */
1576		val32 = rtl8xxxu_read32(priv, REG_8192E_LDOV12_CTRL);
1577		val32 &= 0xff0fffff;
1578		val32 |= 0x00500000;
1579		rtl8xxxu_write32(priv, REG_8192E_LDOV12_CTRL, val32);
1580		rtl8xxxu_write8(priv, REG_LDO_SW_CTRL, 0x83);
1581	}
1582
1583	/*
1584	 * Adjust AFE before enabling PLL
1585	 */
1586	rtl8192e_crystal_afe_adjust(priv);
1587	rtl8192e_disabled_to_emu(priv);
1588
1589	ret = rtl8192e_emu_to_active(priv);
1590	if (ret)
1591		goto exit;
1592
1593	rtl8xxxu_write16(priv, REG_CR, 0x0000);
1594
1595	/*
1596	 * Enable MAC DMA/WMAC/SCHEDULE/SEC block
1597	 * Set CR bit10 to enable 32k calibration.
1598	 */
1599	val16 = rtl8xxxu_read16(priv, REG_CR);
1600	val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
1601		  CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
1602		  CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
1603		  CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
1604		  CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
1605	rtl8xxxu_write16(priv, REG_CR, val16);
1606
1607exit:
1608	return ret;
1609}
1610
1611static void rtl8192eu_power_off(struct rtl8xxxu_priv *priv)
1612{
1613	u8 val8;
1614	u16 val16;
1615
1616	rtl8xxxu_flush_fifo(priv);
1617
1618	val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
1619	val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
1620	rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
1621
1622	/* Turn off RF */
1623	rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00);
1624
1625	rtl8192eu_active_to_lps(priv);
1626
1627	/* Reset Firmware if running in RAM */
1628	if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
1629		rtl8xxxu_firmware_self_reset(priv);
1630
1631	/* Reset MCU */
1632	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1633	val16 &= ~SYS_FUNC_CPU_ENABLE;
1634	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1635
1636	/* Reset MCU ready status */
1637	rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
1638
1639	rtl8xxxu_reset_8051(priv);
1640
1641	rtl8192eu_active_to_emu(priv);
1642	rtl8192eu_emu_to_disabled(priv);
1643}
1644
1645static void rtl8192e_enable_rf(struct rtl8xxxu_priv *priv)
1646{
1647	u32 val32;
1648	u8 val8;
1649
1650	val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA);
1651	val32 |= (BIT(22) | BIT(23));
1652	rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32);
1653
1654	val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
1655	val8 |= BIT(5);
1656	rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
1657
1658	/*
1659	 * WLAN action by PTA
1660	 */
1661	rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
1662
1663	val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
1664	val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1665	rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
1666
1667	val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
1668	val32 |= (BIT(0) | BIT(1));
1669	rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
1670
1671	rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77);
1672
1673	val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1674	val32 &= ~BIT(24);
1675	val32 |= BIT(23);
1676	rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1677
1678	/*
1679	 * Fix external switch Main->S1, Aux->S0
1680	 */
1681	val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1682	val8 &= ~BIT(0);
1683	rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1684
1685	/*
1686	 * Fix transmission failure of rtl8192e.
1687	 */
1688	rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
1689}
1690
1691static s8 rtl8192e_cck_rssi(struct rtl8xxxu_priv *priv, struct rtl8723au_phy_stats *phy_stats)
1692{
1693	static const s8 lna_gain_table_0[8] = {15, 9, -10, -21, -23, -27, -43, -44};
1694	static const s8 lna_gain_table_1[8] = {24, 18, 13, -4, -11, -18, -31, -36};
1695
1696	u8 cck_agc_rpt = phy_stats->cck_agc_rpt_ofdm_cfosho_a;
1697	s8 rx_pwr_all = 0x00;
1698	u8 vga_idx, lna_idx;
1699	s8 lna_gain = 0;
1700
1701	lna_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_LNA_IDX_MASK);
1702	vga_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_VGA_IDX_MASK);
1703
1704	if (priv->cck_agc_report_type == 0)
1705		lna_gain = lna_gain_table_0[lna_idx];
1706	else
1707		lna_gain = lna_gain_table_1[lna_idx];
1708
1709	rx_pwr_all = lna_gain - (2 * vga_idx);
1710
1711	return rx_pwr_all;
1712}
1713
1714static int rtl8192eu_led_brightness_set(struct led_classdev *led_cdev,
1715					enum led_brightness brightness)
1716{
1717	struct rtl8xxxu_priv *priv = container_of(led_cdev,
1718						  struct rtl8xxxu_priv,
1719						  led_cdev);
1720	u8 ledcfg = rtl8xxxu_read8(priv, REG_LEDCFG1);
1721
1722	if (brightness == LED_OFF) {
1723		ledcfg &= ~LEDCFG1_HW_LED_CONTROL;
1724		ledcfg |= LEDCFG1_LED_DISABLE;
1725	} else if (brightness == LED_ON) {
1726		ledcfg &= ~(LEDCFG1_HW_LED_CONTROL | LEDCFG1_LED_DISABLE);
1727	} else if (brightness == RTL8XXXU_HW_LED_CONTROL) {
1728		ledcfg &= ~LEDCFG1_LED_DISABLE;
1729		ledcfg |= LEDCFG1_HW_LED_CONTROL;
1730	}
1731
1732	rtl8xxxu_write8(priv, REG_LEDCFG1, ledcfg);
1733
1734	return 0;
1735}
1736
1737struct rtl8xxxu_fileops rtl8192eu_fops = {
1738	.identify_chip = rtl8192eu_identify_chip,
1739	.parse_efuse = rtl8192eu_parse_efuse,
1740	.load_firmware = rtl8192eu_load_firmware,
1741	.power_on = rtl8192eu_power_on,
1742	.power_off = rtl8192eu_power_off,
1743	.read_efuse = rtl8xxxu_read_efuse,
1744	.reset_8051 = rtl8xxxu_reset_8051,
1745	.llt_init = rtl8xxxu_auto_llt_table,
1746	.init_phy_bb = rtl8192eu_init_phy_bb,
1747	.init_phy_rf = rtl8192eu_init_phy_rf,
1748	.phy_lc_calibrate = rtl8723a_phy_lc_calibrate,
1749	.phy_iq_calibrate = rtl8192eu_phy_iq_calibrate,
1750	.config_channel = rtl8xxxu_gen2_config_channel,
1751	.parse_rx_desc = rtl8xxxu_parse_rxdesc24,
1752	.parse_phystats = rtl8723au_rx_parse_phystats,
1753	.enable_rf = rtl8192e_enable_rf,
1754	.disable_rf = rtl8xxxu_gen2_disable_rf,
1755	.usb_quirks = rtl8xxxu_gen2_usb_quirks,
1756	.set_tx_power = rtl8192e_set_tx_power,
1757	.update_rate_mask = rtl8xxxu_gen2_update_rate_mask,
1758	.report_connect = rtl8xxxu_gen2_report_connect,
1759	.report_rssi = rtl8xxxu_gen2_report_rssi,
1760	.fill_txdesc = rtl8xxxu_fill_txdesc_v2,
1761	.set_crystal_cap = rtl8723a_set_crystal_cap,
1762	.cck_rssi = rtl8192e_cck_rssi,
1763	.led_classdev_brightness_set = rtl8192eu_led_brightness_set,
1764	.writeN_block_size = 128,
1765	.tx_desc_size = sizeof(struct rtl8xxxu_txdesc40),
1766	.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24),
1767	.has_s0s1 = 0,
1768	.gen2_thermal_meter = 1,
1769	.needs_full_init = 1,
1770	.supports_ap = 1,
1771	.max_macid_num = 128,
1772	.max_sec_cam_num = 64,
1773	.adda_1t_init = 0x0fc01616,
1774	.adda_1t_path_on = 0x0fc01616,
1775	.adda_2t_path_on_a = 0x0fc01616,
1776	.adda_2t_path_on_b = 0x0fc01616,
1777	.trxff_boundary = 0x3cff,
1778	.mactable = rtl8192e_mac_init_table,
1779	.total_page_num = TX_TOTAL_PAGE_NUM_8192E,
1780	.page_num_hi = TX_PAGE_NUM_HI_PQ_8192E,
1781	.page_num_lo = TX_PAGE_NUM_LO_PQ_8192E,
1782	.page_num_norm = TX_PAGE_NUM_NORM_PQ_8192E,
1783};
1784