1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * RTL8XXXU mac80211 USB driver - 8723b 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 "regs.h"
17#include "rtl8xxxu.h"
18
19static const struct rtl8xxxu_reg8val rtl8723b_mac_init_table[] = {
20	{0x02f, 0x30}, {0x035, 0x00}, {0x039, 0x08}, {0x04e, 0xe0},
21	{0x064, 0x00}, {0x067, 0x20}, {0x428, 0x0a}, {0x429, 0x10},
22	{0x430, 0x00}, {0x431, 0x00},
23	{0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05},
24	{0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05},
25	{0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01},
26	{0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00},
27	{0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f},
28	{0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00},
29	{0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f},
30	{0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66},
31	{0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff},
32	{0x4cd, 0xff}, {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2},
33	{0x502, 0x2f}, {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3},
34	{0x506, 0x5e}, {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4},
35	{0x50a, 0x5e}, {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4},
36	{0x50e, 0x00}, {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a},
37	{0x516, 0x0a}, {0x525, 0x4f},
38	{0x550, 0x10}, {0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50},
39	{0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a},
40	{0x620, 0xff}, {0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff},
41	{0x624, 0xff}, {0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff},
42	{0x638, 0x50}, {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e},
43	{0x63f, 0x0e}, {0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00},
44	{0x652, 0xc8}, {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43},
45	{0x702, 0x65}, {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43},
46	{0x70a, 0x65}, {0x70b, 0x87}, {0x765, 0x18}, {0x76e, 0x04},
47	{0xffff, 0xff},
48};
49
50static const struct rtl8xxxu_reg32val rtl8723b_phy_1t_init_table[] = {
51	{0x800, 0x80040000}, {0x804, 0x00000003},
52	{0x808, 0x0000fc00}, {0x80c, 0x0000000a},
53	{0x810, 0x10001331}, {0x814, 0x020c3d10},
54	{0x818, 0x02200385}, {0x81c, 0x00000000},
55	{0x820, 0x01000100}, {0x824, 0x00190204},
56	{0x828, 0x00000000}, {0x82c, 0x00000000},
57	{0x830, 0x00000000}, {0x834, 0x00000000},
58	{0x838, 0x00000000}, {0x83c, 0x00000000},
59	{0x840, 0x00010000}, {0x844, 0x00000000},
60	{0x848, 0x00000000}, {0x84c, 0x00000000},
61	{0x850, 0x00000000}, {0x854, 0x00000000},
62	{0x858, 0x569a11a9}, {0x85c, 0x01000014},
63	{0x860, 0x66f60110}, {0x864, 0x061f0649},
64	{0x868, 0x00000000}, {0x86c, 0x27272700},
65	{0x870, 0x07000760}, {0x874, 0x25004000},
66	{0x878, 0x00000808}, {0x87c, 0x00000000},
67	{0x880, 0xb0000c1c}, {0x884, 0x00000001},
68	{0x888, 0x00000000}, {0x88c, 0xccc000c0},
69	{0x890, 0x00000800}, {0x894, 0xfffffffe},
70	{0x898, 0x40302010}, {0x89c, 0x00706050},
71	{0x900, 0x00000000}, {0x904, 0x00000023},
72	{0x908, 0x00000000}, {0x90c, 0x81121111},
73	{0x910, 0x00000002}, {0x914, 0x00000201},
74	{0xa00, 0x00d047c8}, {0xa04, 0x80ff800c},
75	{0xa08, 0x8c838300}, {0xa0c, 0x2e7f120f},
76	{0xa10, 0x9500bb78}, {0xa14, 0x1114d028},
77	{0xa18, 0x00881117}, {0xa1c, 0x89140f00},
78	{0xa20, 0x1a1b0000}, {0xa24, 0x090e1317},
79	{0xa28, 0x00000204}, {0xa2c, 0x00d30000},
80	{0xa70, 0x101fbf00}, {0xa74, 0x00000007},
81	{0xa78, 0x00000900}, {0xa7c, 0x225b0606},
82	{0xa80, 0x21806490}, {0xb2c, 0x00000000},
83	{0xc00, 0x48071d40}, {0xc04, 0x03a05611},
84	{0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c},
85	{0xc10, 0x08800000}, {0xc14, 0x40000100},
86	{0xc18, 0x08800000}, {0xc1c, 0x40000100},
87	{0xc20, 0x00000000}, {0xc24, 0x00000000},
88	{0xc28, 0x00000000}, {0xc2c, 0x00000000},
89	{0xc30, 0x69e9ac44}, {0xc34, 0x469652af},
90	{0xc38, 0x49795994}, {0xc3c, 0x0a97971c},
91	{0xc40, 0x1f7c403f}, {0xc44, 0x000100b7},
92	{0xc48, 0xec020107}, {0xc4c, 0x007f037f},
93	{0xc50, 0x69553420}, {0xc54, 0x43bc0094},
94	{0xc58, 0x00013149}, {0xc5c, 0x00250492},
95	{0xc60, 0x00000000}, {0xc64, 0x7112848b},
96	{0xc68, 0x47c00bff}, {0xc6c, 0x00000036},
97	{0xc70, 0x2c7f000d}, {0xc74, 0x020610db},
98	{0xc78, 0x0000001f}, {0xc7c, 0x00b91612},
99	{0xc80, 0x390000e4}, {0xc84, 0x20f60000},
100	{0xc88, 0x40000100}, {0xc8c, 0x20200000},
101	{0xc90, 0x00020e1a}, {0xc94, 0x00000000},
102	{0xc98, 0x00020e1a}, {0xc9c, 0x00007f7f},
103	{0xca0, 0x00000000}, {0xca4, 0x000300a0},
104	{0xca8, 0x00000000}, {0xcac, 0x00000000},
105	{0xcb0, 0x00000000}, {0xcb4, 0x00000000},
106	{0xcb8, 0x00000000}, {0xcbc, 0x28000000},
107	{0xcc0, 0x00000000}, {0xcc4, 0x00000000},
108	{0xcc8, 0x00000000}, {0xccc, 0x00000000},
109	{0xcd0, 0x00000000}, {0xcd4, 0x00000000},
110	{0xcd8, 0x64b22427}, {0xcdc, 0x00766932},
111	{0xce0, 0x00222222}, {0xce4, 0x00000000},
112	{0xce8, 0x37644302}, {0xcec, 0x2f97d40c},
113	{0xd00, 0x00000740}, {0xd04, 0x40020401},
114	{0xd08, 0x0000907f}, {0xd0c, 0x20010201},
115	{0xd10, 0xa0633333}, {0xd14, 0x3333bc53},
116	{0xd18, 0x7a8f5b6f}, {0xd2c, 0xcc979975},
117	{0xd30, 0x00000000}, {0xd34, 0x80608000},
118	{0xd38, 0x00000000}, {0xd3c, 0x00127353},
119	{0xd40, 0x00000000}, {0xd44, 0x00000000},
120	{0xd48, 0x00000000}, {0xd4c, 0x00000000},
121	{0xd50, 0x6437140a}, {0xd54, 0x00000000},
122	{0xd58, 0x00000282}, {0xd5c, 0x30032064},
123	{0xd60, 0x4653de68}, {0xd64, 0x04518a3c},
124	{0xd68, 0x00002101}, {0xd6c, 0x2a201c16},
125	{0xd70, 0x1812362e}, {0xd74, 0x322c2220},
126	{0xd78, 0x000e3c24}, {0xe00, 0x2d2d2d2d},
127	{0xe04, 0x2d2d2d2d}, {0xe08, 0x0390272d},
128	{0xe10, 0x2d2d2d2d}, {0xe14, 0x2d2d2d2d},
129	{0xe18, 0x2d2d2d2d}, {0xe1c, 0x2d2d2d2d},
130	{0xe28, 0x00000000}, {0xe30, 0x1000dc1f},
131	{0xe34, 0x10008c1f}, {0xe38, 0x02140102},
132	{0xe3c, 0x681604c2}, {0xe40, 0x01007c00},
133	{0xe44, 0x01004800}, {0xe48, 0xfb000000},
134	{0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f},
135	{0xe54, 0x10008c1f}, {0xe58, 0x02140102},
136	{0xe5c, 0x28160d05}, {0xe60, 0x00000008},
137	{0xe68, 0x001b2556}, {0xe6c, 0x00c00096},
138	{0xe70, 0x00c00096}, {0xe74, 0x01000056},
139	{0xe78, 0x01000014}, {0xe7c, 0x01000056},
140	{0xe80, 0x01000014}, {0xe84, 0x00c00096},
141	{0xe88, 0x01000056}, {0xe8c, 0x00c00096},
142	{0xed0, 0x00c00096}, {0xed4, 0x00c00096},
143	{0xed8, 0x00c00096}, {0xedc, 0x000000d6},
144	{0xee0, 0x000000d6}, {0xeec, 0x01c00016},
145	{0xf14, 0x00000003}, {0xf4c, 0x00000000},
146	{0xf00, 0x00000300},
147	{0x820, 0x01000100}, {0x800, 0x83040000},
148	{0xffff, 0xffffffff},
149};
150
151static const struct rtl8xxxu_reg32val rtl8xxx_agc_8723bu_table[] = {
152	{0xc78, 0xfd000001}, {0xc78, 0xfc010001},
153	{0xc78, 0xfb020001}, {0xc78, 0xfa030001},
154	{0xc78, 0xf9040001}, {0xc78, 0xf8050001},
155	{0xc78, 0xf7060001}, {0xc78, 0xf6070001},
156	{0xc78, 0xf5080001}, {0xc78, 0xf4090001},
157	{0xc78, 0xf30a0001}, {0xc78, 0xf20b0001},
158	{0xc78, 0xf10c0001}, {0xc78, 0xf00d0001},
159	{0xc78, 0xef0e0001}, {0xc78, 0xee0f0001},
160	{0xc78, 0xed100001}, {0xc78, 0xec110001},
161	{0xc78, 0xeb120001}, {0xc78, 0xea130001},
162	{0xc78, 0xe9140001}, {0xc78, 0xe8150001},
163	{0xc78, 0xe7160001}, {0xc78, 0xe6170001},
164	{0xc78, 0xe5180001}, {0xc78, 0xe4190001},
165	{0xc78, 0xe31a0001}, {0xc78, 0xa51b0001},
166	{0xc78, 0xa41c0001}, {0xc78, 0xa31d0001},
167	{0xc78, 0x671e0001}, {0xc78, 0x661f0001},
168	{0xc78, 0x65200001}, {0xc78, 0x64210001},
169	{0xc78, 0x63220001}, {0xc78, 0x4a230001},
170	{0xc78, 0x49240001}, {0xc78, 0x48250001},
171	{0xc78, 0x47260001}, {0xc78, 0x46270001},
172	{0xc78, 0x45280001}, {0xc78, 0x44290001},
173	{0xc78, 0x432a0001}, {0xc78, 0x422b0001},
174	{0xc78, 0x292c0001}, {0xc78, 0x282d0001},
175	{0xc78, 0x272e0001}, {0xc78, 0x262f0001},
176	{0xc78, 0x0a300001}, {0xc78, 0x09310001},
177	{0xc78, 0x08320001}, {0xc78, 0x07330001},
178	{0xc78, 0x06340001}, {0xc78, 0x05350001},
179	{0xc78, 0x04360001}, {0xc78, 0x03370001},
180	{0xc78, 0x02380001}, {0xc78, 0x01390001},
181	{0xc78, 0x013a0001}, {0xc78, 0x013b0001},
182	{0xc78, 0x013c0001}, {0xc78, 0x013d0001},
183	{0xc78, 0x013e0001}, {0xc78, 0x013f0001},
184	{0xc78, 0xfc400001}, {0xc78, 0xfb410001},
185	{0xc78, 0xfa420001}, {0xc78, 0xf9430001},
186	{0xc78, 0xf8440001}, {0xc78, 0xf7450001},
187	{0xc78, 0xf6460001}, {0xc78, 0xf5470001},
188	{0xc78, 0xf4480001}, {0xc78, 0xf3490001},
189	{0xc78, 0xf24a0001}, {0xc78, 0xf14b0001},
190	{0xc78, 0xf04c0001}, {0xc78, 0xef4d0001},
191	{0xc78, 0xee4e0001}, {0xc78, 0xed4f0001},
192	{0xc78, 0xec500001}, {0xc78, 0xeb510001},
193	{0xc78, 0xea520001}, {0xc78, 0xe9530001},
194	{0xc78, 0xe8540001}, {0xc78, 0xe7550001},
195	{0xc78, 0xe6560001}, {0xc78, 0xe5570001},
196	{0xc78, 0xe4580001}, {0xc78, 0xe3590001},
197	{0xc78, 0xa65a0001}, {0xc78, 0xa55b0001},
198	{0xc78, 0xa45c0001}, {0xc78, 0xa35d0001},
199	{0xc78, 0x675e0001}, {0xc78, 0x665f0001},
200	{0xc78, 0x65600001}, {0xc78, 0x64610001},
201	{0xc78, 0x63620001}, {0xc78, 0x62630001},
202	{0xc78, 0x61640001}, {0xc78, 0x48650001},
203	{0xc78, 0x47660001}, {0xc78, 0x46670001},
204	{0xc78, 0x45680001}, {0xc78, 0x44690001},
205	{0xc78, 0x436a0001}, {0xc78, 0x426b0001},
206	{0xc78, 0x286c0001}, {0xc78, 0x276d0001},
207	{0xc78, 0x266e0001}, {0xc78, 0x256f0001},
208	{0xc78, 0x24700001}, {0xc78, 0x09710001},
209	{0xc78, 0x08720001}, {0xc78, 0x07730001},
210	{0xc78, 0x06740001}, {0xc78, 0x05750001},
211	{0xc78, 0x04760001}, {0xc78, 0x03770001},
212	{0xc78, 0x02780001}, {0xc78, 0x01790001},
213	{0xc78, 0x017a0001}, {0xc78, 0x017b0001},
214	{0xc78, 0x017c0001}, {0xc78, 0x017d0001},
215	{0xc78, 0x017e0001}, {0xc78, 0x017f0001},
216	{0xc50, 0x69553422},
217	{0xc50, 0x69553420},
218	{0x824, 0x00390204},
219	{0xffff, 0xffffffff}
220};
221
222static const struct rtl8xxxu_rfregval rtl8723bu_radioa_1t_init_table[] = {
223	{0x00, 0x00010000}, {0xb0, 0x000dffe0},
224	{0xfe, 0x00000000}, {0xfe, 0x00000000},
225	{0xfe, 0x00000000}, {0xb1, 0x00000018},
226	{0xfe, 0x00000000}, {0xfe, 0x00000000},
227	{0xfe, 0x00000000}, {0xb2, 0x00084c00},
228	{0xb5, 0x0000d2cc}, {0xb6, 0x000925aa},
229	{0xb7, 0x00000010}, {0xb8, 0x0000907f},
230	{0x5c, 0x00000002}, {0x7c, 0x00000002},
231	{0x7e, 0x00000005}, {0x8b, 0x0006fc00},
232	{0xb0, 0x000ff9f0}, {0x1c, 0x000739d2},
233	{0x1e, 0x00000000}, {0xdf, 0x00000780},
234	{0x50, 0x00067435},
235	/*
236	 * The 8723bu vendor driver indicates that bit 8 should be set in
237	 * 0x51 for package types TFBGA90, TFBGA80, and TFBGA79. However
238	 * they never actually check the package type - and just default
239	 * to not setting it.
240	 */
241	{0x51, 0x0006b04e},
242	{0x52, 0x000007d2}, {0x53, 0x00000000},
243	{0x54, 0x00050400}, {0x55, 0x0004026e},
244	{0xdd, 0x0000004c}, {0x70, 0x00067435},
245	/*
246	 * 0x71 has same package type condition as for register 0x51
247	 */
248	{0x71, 0x0006b04e},
249	{0x72, 0x000007d2}, {0x73, 0x00000000},
250	{0x74, 0x00050400}, {0x75, 0x0004026e},
251	{0xef, 0x00000100}, {0x34, 0x0000add7},
252	{0x35, 0x00005c00}, {0x34, 0x00009dd4},
253	{0x35, 0x00005000}, {0x34, 0x00008dd1},
254	{0x35, 0x00004400}, {0x34, 0x00007dce},
255	{0x35, 0x00003800}, {0x34, 0x00006cd1},
256	{0x35, 0x00004400}, {0x34, 0x00005cce},
257	{0x35, 0x00003800}, {0x34, 0x000048ce},
258	{0x35, 0x00004400}, {0x34, 0x000034ce},
259	{0x35, 0x00003800}, {0x34, 0x00002451},
260	{0x35, 0x00004400}, {0x34, 0x0000144e},
261	{0x35, 0x00003800}, {0x34, 0x00000051},
262	{0x35, 0x00004400}, {0xef, 0x00000000},
263	{0xef, 0x00000100}, {0xed, 0x00000010},
264	{0x44, 0x0000add7}, {0x44, 0x00009dd4},
265	{0x44, 0x00008dd1}, {0x44, 0x00007dce},
266	{0x44, 0x00006cc1}, {0x44, 0x00005cce},
267	{0x44, 0x000044d1}, {0x44, 0x000034ce},
268	{0x44, 0x00002451}, {0x44, 0x0000144e},
269	{0x44, 0x00000051}, {0xef, 0x00000000},
270	{0xed, 0x00000000}, {0x7f, 0x00020080},
271	{0xef, 0x00002000}, {0x3b, 0x000380ef},
272	{0x3b, 0x000302fe}, {0x3b, 0x00028ce6},
273	{0x3b, 0x000200bc}, {0x3b, 0x000188a5},
274	{0x3b, 0x00010fbc}, {0x3b, 0x00008f71},
275	{0x3b, 0x00000900}, {0xef, 0x00000000},
276	{0xed, 0x00000001}, {0x40, 0x000380ef},
277	{0x40, 0x000302fe}, {0x40, 0x00028ce6},
278	{0x40, 0x000200bc}, {0x40, 0x000188a5},
279	{0x40, 0x00010fbc}, {0x40, 0x00008f71},
280	{0x40, 0x00000900}, {0xed, 0x00000000},
281	{0x82, 0x00080000}, {0x83, 0x00008000},
282	{0x84, 0x00048d80}, {0x85, 0x00068000},
283	{0xa2, 0x00080000}, {0xa3, 0x00008000},
284	{0xa4, 0x00048d80}, {0xa5, 0x00068000},
285	{0xed, 0x00000002}, {0xef, 0x00000002},
286	{0x56, 0x00000032}, {0x76, 0x00000032},
287	{0x01, 0x00000780},
288	{0xff, 0xffffffff}
289};
290
291static int rtl8723bu_identify_chip(struct rtl8xxxu_priv *priv)
292{
293	struct device *dev = &priv->udev->dev;
294	u32 val32, sys_cfg, vendor;
295	int ret = 0;
296
297	sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG);
298	priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK);
299	if (sys_cfg & SYS_CFG_TRP_VAUX_EN) {
300		dev_info(dev, "Unsupported test chip\n");
301		ret = -ENOTSUPP;
302		goto out;
303	}
304
305	strscpy(priv->chip_name, "8723BU", sizeof(priv->chip_name));
306	priv->rtl_chip = RTL8723B;
307	priv->rf_paths = 1;
308	priv->rx_paths = 1;
309	priv->tx_paths = 1;
310
311	val32 = rtl8xxxu_read32(priv, REG_MULTI_FUNC_CTRL);
312	if (val32 & MULTI_WIFI_FUNC_EN)
313		priv->has_wifi = 1;
314	if (val32 & MULTI_BT_FUNC_EN)
315		priv->has_bluetooth = 1;
316	if (val32 & MULTI_GPS_FUNC_EN)
317		priv->has_gps = 1;
318	priv->is_multi_func = 1;
319
320	vendor = sys_cfg & SYS_CFG_VENDOR_EXT_MASK;
321	rtl8xxxu_identify_vendor_2bits(priv, vendor);
322
323	val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS);
324	priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID);
325
326	rtl8xxxu_config_endpoints_sie(priv);
327
328	/*
329	 * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX
330	 */
331	if (!priv->ep_tx_count)
332		ret = rtl8xxxu_config_endpoints_no_sie(priv);
333
334out:
335	return ret;
336}
337
338static void rtl8723bu_write_btreg(struct rtl8xxxu_priv *priv, u8 reg, u8 data)
339{
340	struct h2c_cmd h2c;
341	int reqnum = 0;
342
343	memset(&h2c, 0, sizeof(struct h2c_cmd));
344	h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER;
345	h2c.bt_mp_oper.operreq = 0 | (reqnum << 4);
346	h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE;
347	h2c.bt_mp_oper.data = data;
348	rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper));
349
350	reqnum++;
351	memset(&h2c, 0, sizeof(struct h2c_cmd));
352	h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER;
353	h2c.bt_mp_oper.operreq = 0 | (reqnum << 4);
354	h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE;
355	h2c.bt_mp_oper.addr = reg;
356	rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper));
357}
358
359static void rtl8723bu_reset_8051(struct rtl8xxxu_priv *priv)
360{
361	u8 val8;
362	u16 sys_func;
363
364	val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
365	val8 &= ~BIT(1);
366	rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
367
368	val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
369	val8 &= ~BIT(0);
370	rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
371
372	sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
373	sys_func &= ~SYS_FUNC_CPU_ENABLE;
374	rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
375
376	val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
377	val8 &= ~BIT(1);
378	rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
379
380	val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
381	val8 |= BIT(0);
382	rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
383
384	sys_func |= SYS_FUNC_CPU_ENABLE;
385	rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
386}
387
388static void
389rtl8723b_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
390{
391	u32 val32, ofdm, mcs;
392	u8 cck, ofdmbase, mcsbase;
393	int group, tx_idx;
394
395	tx_idx = 0;
396	group = rtl8xxxu_gen2_channel_to_group(channel);
397
398	cck = priv->cck_tx_power_index_B[group];
399	val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
400	val32 &= 0xffff00ff;
401	val32 |= (cck << 8);
402	rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
403
404	val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
405	val32 &= 0xff;
406	val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
407	rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
408
409	ofdmbase = priv->ht40_1s_tx_power_index_B[group];
410	ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b;
411	ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24;
412
413	rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
414	rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
415
416	mcsbase = priv->ht40_1s_tx_power_index_B[group];
417	if (ht40)
418		mcsbase += priv->ht40_tx_power_diff[tx_idx++].b;
419	else
420		mcsbase += priv->ht20_tx_power_diff[tx_idx++].b;
421	mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
422
423	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
424	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
425}
426
427static int rtl8723bu_parse_efuse(struct rtl8xxxu_priv *priv)
428{
429	struct rtl8723bu_efuse *efuse = &priv->efuse_wifi.efuse8723bu;
430	int i;
431
432	if (efuse->rtl_id != cpu_to_le16(0x8129))
433		return -EINVAL;
434
435	ether_addr_copy(priv->mac_addr, efuse->mac_addr);
436
437	memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base,
438	       sizeof(efuse->tx_power_index_A.cck_base));
439	memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base,
440	       sizeof(efuse->tx_power_index_B.cck_base));
441
442	memcpy(priv->ht40_1s_tx_power_index_A,
443	       efuse->tx_power_index_A.ht40_base,
444	       sizeof(efuse->tx_power_index_A.ht40_base));
445	memcpy(priv->ht40_1s_tx_power_index_B,
446	       efuse->tx_power_index_B.ht40_base,
447	       sizeof(efuse->tx_power_index_B.ht40_base));
448
449	priv->ofdm_tx_power_diff[0].a =
450		efuse->tx_power_index_A.ht20_ofdm_1s_diff.a;
451	priv->ofdm_tx_power_diff[0].b =
452		efuse->tx_power_index_B.ht20_ofdm_1s_diff.a;
453
454	priv->ht20_tx_power_diff[0].a =
455		efuse->tx_power_index_A.ht20_ofdm_1s_diff.b;
456	priv->ht20_tx_power_diff[0].b =
457		efuse->tx_power_index_B.ht20_ofdm_1s_diff.b;
458
459	priv->ht40_tx_power_diff[0].a = 0;
460	priv->ht40_tx_power_diff[0].b = 0;
461
462	for (i = 1; i < RTL8723B_TX_COUNT; i++) {
463		priv->ofdm_tx_power_diff[i].a =
464			efuse->tx_power_index_A.pwr_diff[i - 1].ofdm;
465		priv->ofdm_tx_power_diff[i].b =
466			efuse->tx_power_index_B.pwr_diff[i - 1].ofdm;
467
468		priv->ht20_tx_power_diff[i].a =
469			efuse->tx_power_index_A.pwr_diff[i - 1].ht20;
470		priv->ht20_tx_power_diff[i].b =
471			efuse->tx_power_index_B.pwr_diff[i - 1].ht20;
472
473		priv->ht40_tx_power_diff[i].a =
474			efuse->tx_power_index_A.pwr_diff[i - 1].ht40;
475		priv->ht40_tx_power_diff[i].b =
476			efuse->tx_power_index_B.pwr_diff[i - 1].ht40;
477	}
478
479	priv->default_crystal_cap = priv->efuse_wifi.efuse8723bu.xtal_k & 0x3f;
480
481	return 0;
482}
483
484static int rtl8723bu_load_firmware(struct rtl8xxxu_priv *priv)
485{
486	const char *fw_name;
487	int ret;
488
489	if (priv->enable_bluetooth)
490		fw_name = "rtlwifi/rtl8723bu_bt.bin";
491	else
492		fw_name = "rtlwifi/rtl8723bu_nic.bin";
493
494	ret = rtl8xxxu_load_firmware(priv, fw_name);
495	return ret;
496}
497
498static void rtl8723bu_init_phy_bb(struct rtl8xxxu_priv *priv)
499{
500	u8 val8;
501	u16 val16;
502
503	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
504	val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF;
505	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
506
507	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
508
509	/* 6. 0x1f[7:0] = 0x07 */
510	val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
511	rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
512
513	/* Why? */
514	rtl8xxxu_write8(priv, REG_SYS_FUNC, 0xe3);
515	rtl8xxxu_write8(priv, REG_AFE_XTAL_CTRL + 1, 0x80);
516	rtl8xxxu_init_phy_regs(priv, rtl8723b_phy_1t_init_table);
517
518	rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8723bu_table);
519}
520
521static int rtl8723bu_init_phy_rf(struct rtl8xxxu_priv *priv)
522{
523	int ret;
524
525	ret = rtl8xxxu_init_phy_rf(priv, rtl8723bu_radioa_1t_init_table, RF_A);
526	/*
527	 * PHY LCK
528	 */
529	rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdfbe0);
530	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, 0x8c01);
531	msleep(200);
532	rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdffe0);
533
534	return ret;
535}
536
537void rtl8723bu_phy_init_antenna_selection(struct rtl8xxxu_priv *priv)
538{
539	u32 val32;
540
541	val32 = rtl8xxxu_read32(priv, REG_PAD_CTRL1);
542	val32 &= ~(BIT(20) | BIT(24));
543	rtl8xxxu_write32(priv, REG_PAD_CTRL1, val32);
544
545	val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG);
546	val32 &= ~BIT(4);
547	rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32);
548
549	val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG);
550	val32 |= BIT(3);
551	rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32);
552
553	val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
554	val32 |= BIT(24);
555	rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
556
557	val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
558	val32 &= ~BIT(23);
559	rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
560
561	val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
562	val32 |= (BIT(0) | BIT(1));
563	rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
564
565	val32 = rtl8xxxu_read32(priv, REG_RFE_CTRL_ANTA_SRC);
566	val32 &= 0xffffff00;
567	val32 |= 0x77;
568	rtl8xxxu_write32(priv, REG_RFE_CTRL_ANTA_SRC, val32);
569
570	val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
571	val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
572	rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
573}
574
575static int rtl8723bu_iqk_path_a(struct rtl8xxxu_priv *priv)
576{
577	u32 reg_eac, reg_e94, reg_e9c, path_sel, val32;
578	int result = 0;
579
580	path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
581
582	/*
583	 * Leave IQK mode
584	 */
585	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
586	val32 &= 0x000000ff;
587	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
588
589	/*
590	 * Enable path A PA in TX IQK mode
591	 */
592	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
593	val32 |= 0x80000;
594	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
595	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000);
596	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0003f);
597	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xc7f87);
598
599	/*
600	 * Tx IQK setting
601	 */
602	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
603	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
604
605	/* path-A IQK setting */
606	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
607	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
608	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
609	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
610
611	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821403ea);
612	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000);
613	rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
614	rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
615
616	/* LO calibration setting */
617	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
618
619	/*
620	 * Enter IQK mode
621	 */
622	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
623	val32 &= 0x000000ff;
624	val32 |= 0x80800000;
625	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
626
627	/*
628	 * The vendor driver indicates the USB module is always using
629	 * S0S1 path 1 for the 8723bu. This may be different for 8192eu
630	 */
631	if (priv->rf_paths > 1)
632		rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
633	else
634		rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
635
636	/*
637	 * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu.
638	 * No trace of this in the 8192eu or 8188eu vendor drivers.
639	 */
640	rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
641
642	/* One shot, path A LOK & IQK */
643	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
644	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
645
646	mdelay(1);
647
648	/* Restore Ant Path */
649	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
650#ifdef RTL8723BU_BT
651	/* GNT_BT = 1 */
652	rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
653#endif
654
655	/*
656	 * Leave IQK mode
657	 */
658	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
659	val32 &= 0x000000ff;
660	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
661
662	/* Check failed */
663	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
664	reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
665	reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
666
667	val32 = (reg_e9c >> 16) & 0x3ff;
668	if (val32 & 0x200)
669		val32 = 0x400 - val32;
670
671	if (!(reg_eac & BIT(28)) &&
672	    ((reg_e94 & 0x03ff0000) != 0x01420000) &&
673	    ((reg_e9c & 0x03ff0000) != 0x00420000) &&
674	    ((reg_e94 & 0x03ff0000)  < 0x01100000) &&
675	    ((reg_e94 & 0x03ff0000)  > 0x00f00000) &&
676	    val32 < 0xf)
677		result |= 0x01;
678	else	/* If TX not OK, ignore RX */
679		goto out;
680
681out:
682	return result;
683}
684
685static int rtl8723bu_rx_iqk_path_a(struct rtl8xxxu_priv *priv)
686{
687	u32 reg_ea4, reg_eac, reg_e94, reg_e9c, path_sel, val32;
688	int result = 0;
689
690	path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
691
692	/*
693	 * Leave IQK mode
694	 */
695	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
696	val32 &= 0x000000ff;
697	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
698
699	/*
700	 * Enable path A PA in TX IQK mode
701	 */
702	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
703	val32 |= 0x80000;
704	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
705	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
706	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
707	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7);
708
709	/*
710	 * Tx IQK setting
711	 */
712	rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
713	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
714
715	/* path-A IQK setting */
716	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
717	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
718	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
719	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
720
721	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160ff0);
722	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000);
723	rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
724	rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
725
726	/* LO calibration setting */
727	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
728
729	/*
730	 * Enter IQK mode
731	 */
732	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
733	val32 &= 0x000000ff;
734	val32 |= 0x80800000;
735	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
736
737	/*
738	 * The vendor driver indicates the USB module is always using
739	 * S0S1 path 1 for the 8723bu. This may be different for 8192eu
740	 */
741	if (priv->rf_paths > 1)
742		rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
743	else
744		rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
745
746	/*
747	 * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu.
748	 * No trace of this in the 8192eu or 8188eu vendor drivers.
749	 */
750	rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
751
752	/* One shot, path A LOK & IQK */
753	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
754	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
755
756	mdelay(1);
757
758	/* Restore Ant Path */
759	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
760#ifdef RTL8723BU_BT
761	/* GNT_BT = 1 */
762	rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
763#endif
764
765	/*
766	 * Leave IQK mode
767	 */
768	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
769	val32 &= 0x000000ff;
770	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
771
772	/* Check failed */
773	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
774	reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
775	reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
776
777	val32 = (reg_e9c >> 16) & 0x3ff;
778	if (val32 & 0x200)
779		val32 = 0x400 - val32;
780
781	if (!(reg_eac & BIT(28)) &&
782	    ((reg_e94 & 0x03ff0000) != 0x01420000) &&
783	    ((reg_e9c & 0x03ff0000) != 0x00420000) &&
784	    ((reg_e94 & 0x03ff0000)  < 0x01100000) &&
785	    ((reg_e94 & 0x03ff0000)  > 0x00f00000) &&
786	    val32 < 0xf)
787		result |= 0x01;
788	else	/* If TX not OK, ignore RX */
789		goto out;
790
791	val32 = 0x80007c00 | (reg_e94 &0x3ff0000) |
792		((reg_e9c & 0x3ff0000) >> 16);
793	rtl8xxxu_write32(priv, REG_TX_IQK, val32);
794
795	/*
796	 * Modify RX IQK mode
797	 */
798	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
799	val32 &= 0x000000ff;
800	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
801	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
802	val32 |= 0x80000;
803	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
804	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
805	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
806	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7d77);
807
808	/*
809	 * PA, PAD setting
810	 */
811	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0xf80);
812	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55, 0x4021f);
813
814	/*
815	 * RX IQK setting
816	 */
817	rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
818
819	/* path-A IQK setting */
820	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
821	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c);
822	rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
823	rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
824
825	rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82110000);
826	rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x2816001f);
827	rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
828	rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
829
830	/* LO calibration setting */
831	rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a8d1);
832
833	/*
834	 * Enter IQK mode
835	 */
836	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
837	val32 &= 0x000000ff;
838	val32 |= 0x80800000;
839	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
840
841	if (priv->rf_paths > 1)
842		rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
843	else
844		rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
845
846	/*
847	 * Disable BT
848	 */
849	rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
850
851	/* One shot, path A LOK & IQK */
852	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
853	rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
854
855	mdelay(1);
856
857	/* Restore Ant Path */
858	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
859#ifdef RTL8723BU_BT
860	/* GNT_BT = 1 */
861	rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
862#endif
863
864	/*
865	 * Leave IQK mode
866	 */
867	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
868	val32 &= 0x000000ff;
869	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
870
871	/* Check failed */
872	reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
873	reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
874
875	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_GAIN_CCA, 0x780);
876
877	val32 = (reg_eac >> 16) & 0x3ff;
878	if (val32 & 0x200)
879		val32 = 0x400 - val32;
880
881	if (!(reg_eac & BIT(27)) &&
882	    ((reg_ea4 & 0x03ff0000) != 0x01320000) &&
883	    ((reg_eac & 0x03ff0000) != 0x00360000) &&
884	    ((reg_ea4 & 0x03ff0000)  < 0x01100000) &&
885	    ((reg_ea4 & 0x03ff0000)  > 0x00f00000) &&
886	    val32 < 0xf)
887		result |= 0x02;
888	else	/* If TX not OK, ignore RX */
889		goto out;
890out:
891	return result;
892}
893
894static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
895				      int result[][8], int t)
896{
897	struct device *dev = &priv->udev->dev;
898	u32 i, val32;
899	int path_a_ok /*, path_b_ok */;
900	int retry = 2;
901	static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
902		REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
903		REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
904		REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
905		REG_TX_OFDM_BBON, REG_TX_TO_RX,
906		REG_TX_TO_TX, REG_RX_CCK,
907		REG_RX_OFDM, REG_RX_WAIT_RIFS,
908		REG_RX_TO_RX, REG_STANDBY,
909		REG_SLEEP, REG_PMPD_ANAEN
910	};
911	static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
912		REG_TXPAUSE, REG_BEACON_CTRL,
913		REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
914	};
915	static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
916		REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
917		REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
918		REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
919		REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE
920	};
921	u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff;
922	u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff;
923
924	/*
925	 * Note: IQ calibration must be performed after loading
926	 *       PHY_REG.txt , and radio_a, radio_b.txt
927	 */
928
929	if (t == 0) {
930		/* Save ADDA parameters, turn Path A ADDA on */
931		rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
932				   RTL8XXXU_ADDA_REGS);
933		rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
934		rtl8xxxu_save_regs(priv, iqk_bb_regs,
935				   priv->bb_backup, RTL8XXXU_BB_REGS);
936	}
937
938	rtl8xxxu_path_adda_on(priv, adda_regs, true);
939
940	/* MAC settings */
941	rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
942
943	val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
944	val32 |= 0x0f000000;
945	rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);
946
947	rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
948	rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
949	rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000);
950
951	/*
952	 * RX IQ calibration setting for 8723B D cut large current issue
953	 * when leaving IPS
954	 */
955	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
956	val32 &= 0x000000ff;
957	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
958
959	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
960	val32 |= 0x80000;
961	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
962
963	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
964	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
965	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7);
966
967	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED);
968	val32 |= 0x20;
969	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32);
970
971	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_43, 0x60fbd);
972
973	for (i = 0; i < retry; i++) {
974		path_a_ok = rtl8723bu_iqk_path_a(priv);
975		if (path_a_ok == 0x01) {
976			val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
977			val32 &= 0x000000ff;
978			rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
979
980			val32 = rtl8xxxu_read32(priv,
981						REG_TX_POWER_BEFORE_IQK_A);
982			result[t][0] = (val32 >> 16) & 0x3ff;
983			val32 = rtl8xxxu_read32(priv,
984						REG_TX_POWER_AFTER_IQK_A);
985			result[t][1] = (val32 >> 16) & 0x3ff;
986
987			break;
988		}
989	}
990
991	if (!path_a_ok)
992		dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__);
993
994	for (i = 0; i < retry; i++) {
995		path_a_ok = rtl8723bu_rx_iqk_path_a(priv);
996		if (path_a_ok == 0x03) {
997			val32 = rtl8xxxu_read32(priv,
998						REG_RX_POWER_BEFORE_IQK_A_2);
999			result[t][2] = (val32 >> 16) & 0x3ff;
1000			val32 = rtl8xxxu_read32(priv,
1001						REG_RX_POWER_AFTER_IQK_A_2);
1002			result[t][3] = (val32 >> 16) & 0x3ff;
1003
1004			break;
1005		}
1006	}
1007
1008	if (!path_a_ok)
1009		dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__);
1010
1011	if (priv->tx_paths > 1) {
1012#if 1
1013		dev_warn(dev, "%s: Path B not supported\n", __func__);
1014#else
1015
1016		/*
1017		 * Path A into standby
1018		 */
1019		val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1020		val32 &= 0x000000ff;
1021		rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1022		rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000);
1023
1024		val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1025		val32 &= 0x000000ff;
1026		val32 |= 0x80800000;
1027		rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1028
1029		/* Turn Path B ADDA on */
1030		rtl8xxxu_path_adda_on(priv, adda_regs, false);
1031
1032		for (i = 0; i < retry; i++) {
1033			path_b_ok = rtl8xxxu_iqk_path_b(priv);
1034			if (path_b_ok == 0x03) {
1035				val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
1036				result[t][4] = (val32 >> 16) & 0x3ff;
1037				val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
1038				result[t][5] = (val32 >> 16) & 0x3ff;
1039				break;
1040			}
1041		}
1042
1043		if (!path_b_ok)
1044			dev_dbg(dev, "%s: Path B IQK failed!\n", __func__);
1045
1046		for (i = 0; i < retry; i++) {
1047			path_b_ok = rtl8723bu_rx_iqk_path_b(priv);
1048			if (path_a_ok == 0x03) {
1049				val32 = rtl8xxxu_read32(priv,
1050							REG_RX_POWER_BEFORE_IQK_B_2);
1051				result[t][6] = (val32 >> 16) & 0x3ff;
1052				val32 = rtl8xxxu_read32(priv,
1053							REG_RX_POWER_AFTER_IQK_B_2);
1054				result[t][7] = (val32 >> 16) & 0x3ff;
1055				break;
1056			}
1057		}
1058
1059		if (!path_b_ok)
1060			dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__);
1061#endif
1062	}
1063
1064	/* Back to BB mode, load original value */
1065	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1066	val32 &= 0x000000ff;
1067	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1068
1069	if (t) {
1070		/* Reload ADDA power saving parameters */
1071		rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
1072				      RTL8XXXU_ADDA_REGS);
1073
1074		/* Reload MAC parameters */
1075		rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1076
1077		/* Reload BB parameters */
1078		rtl8xxxu_restore_regs(priv, iqk_bb_regs,
1079				      priv->bb_backup, RTL8XXXU_BB_REGS);
1080
1081		/* Restore RX initial gain */
1082		val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1083		val32 &= 0xffffff00;
1084		rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50);
1085		rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc);
1086
1087		if (priv->tx_paths > 1) {
1088			val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1);
1089			val32 &= 0xffffff00;
1090			rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1091					 val32 | 0x50);
1092			rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1093					 val32 | xb_agc);
1094		}
1095
1096		/* Load 0xe30 IQC default value */
1097		rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
1098		rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
1099	}
1100}
1101
1102static void rtl8723bu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
1103{
1104	struct device *dev = &priv->udev->dev;
1105	int result[4][8];	/* last is final result */
1106	int i, candidate;
1107	bool path_a_ok, path_b_ok;
1108	u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
1109	u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
1110	u32 val32, bt_control;
1111	s32 reg_tmp = 0;
1112	bool simu;
1113
1114	rtl8xxxu_gen2_prepare_calibrate(priv, 1);
1115
1116	memset(result, 0, sizeof(result));
1117	candidate = -1;
1118
1119	path_a_ok = false;
1120	path_b_ok = false;
1121
1122	bt_control = rtl8xxxu_read32(priv, REG_BT_CONTROL_8723BU);
1123
1124	for (i = 0; i < 3; i++) {
1125		rtl8723bu_phy_iqcalibrate(priv, result, i);
1126
1127		if (i == 1) {
1128			simu = rtl8xxxu_gen2_simularity_compare(priv,
1129								result, 0, 1);
1130			if (simu) {
1131				candidate = 0;
1132				break;
1133			}
1134		}
1135
1136		if (i == 2) {
1137			simu = rtl8xxxu_gen2_simularity_compare(priv,
1138								result, 0, 2);
1139			if (simu) {
1140				candidate = 0;
1141				break;
1142			}
1143
1144			simu = rtl8xxxu_gen2_simularity_compare(priv,
1145								result, 1, 2);
1146			if (simu) {
1147				candidate = 1;
1148			} else {
1149				for (i = 0; i < 8; i++)
1150					reg_tmp += result[3][i];
1151
1152				if (reg_tmp)
1153					candidate = 3;
1154				else
1155					candidate = -1;
1156			}
1157		}
1158	}
1159
1160	for (i = 0; i < 4; i++) {
1161		reg_e94 = result[i][0];
1162		reg_e9c = result[i][1];
1163		reg_ea4 = result[i][2];
1164		reg_eac = result[i][3];
1165		reg_eb4 = result[i][4];
1166		reg_ebc = result[i][5];
1167		reg_ec4 = result[i][6];
1168		reg_ecc = result[i][7];
1169	}
1170
1171	if (candidate >= 0) {
1172		reg_e94 = result[candidate][0];
1173		priv->rege94 =  reg_e94;
1174		reg_e9c = result[candidate][1];
1175		priv->rege9c = reg_e9c;
1176		reg_ea4 = result[candidate][2];
1177		reg_eac = result[candidate][3];
1178		reg_eb4 = result[candidate][4];
1179		priv->regeb4 = reg_eb4;
1180		reg_ebc = result[candidate][5];
1181		priv->regebc = reg_ebc;
1182		reg_ec4 = result[candidate][6];
1183		reg_ecc = result[candidate][7];
1184		dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
1185		dev_dbg(dev,
1186			"%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n",
1187			__func__, reg_e94, reg_e9c,
1188			reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
1189		path_a_ok = true;
1190		path_b_ok = true;
1191	} else {
1192		reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
1193		reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
1194	}
1195
1196	if (reg_e94 && candidate >= 0)
1197		rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
1198					   candidate, (reg_ea4 == 0));
1199
1200	if (priv->tx_paths > 1 && reg_eb4)
1201		rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result,
1202					   candidate, (reg_ec4 == 0));
1203
1204	rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
1205			   priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
1206
1207	rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, bt_control);
1208
1209	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
1210	val32 |= 0x80000;
1211	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
1212	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x18000);
1213	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
1214	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xe6177);
1215	val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED);
1216	val32 |= 0x20;
1217	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32);
1218	rtl8xxxu_write_rfreg(priv, RF_A, 0x43, 0x300bd);
1219
1220	if (priv->rf_paths > 1)
1221		dev_dbg(dev, "%s: 8723BU 2T not supported\n", __func__);
1222
1223	rtl8xxxu_gen2_prepare_calibrate(priv, 0);
1224}
1225
1226static int rtl8723bu_active_to_emu(struct rtl8xxxu_priv *priv)
1227{
1228	u8 val8;
1229	u16 val16;
1230	u32 val32;
1231	int count, ret = 0;
1232
1233	/* Turn off RF */
1234	rtl8xxxu_write8(priv, REG_RF_CTRL, 0);
1235
1236	/* Enable rising edge triggering interrupt */
1237	val16 = rtl8xxxu_read16(priv, REG_GPIO_INTM);
1238	val16 &= ~GPIO_INTM_EDGE_TRIG_IRQ;
1239	rtl8xxxu_write16(priv, REG_GPIO_INTM, val16);
1240
1241	/* Release WLON reset 0x04[16]= 1*/
1242	val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1243	val32 |= APS_FSMCO_WLON_RESET;
1244	rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1245
1246	/* 0x0005[1] = 1 turn off MAC by HW state machine*/
1247	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1248	val8 |= BIT(1);
1249	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1250
1251	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1252		val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1253		if ((val8 & BIT(1)) == 0)
1254			break;
1255		udelay(10);
1256	}
1257
1258	if (!count) {
1259		dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n",
1260			 __func__);
1261		ret = -EBUSY;
1262		goto exit;
1263	}
1264
1265	/* Enable BT control XTAL setting */
1266	val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
1267	val8 &= ~AFE_MISC_WL_XTAL_CTRL;
1268	rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
1269
1270	/* 0x0000[5] = 1 analog Ips to digital, 1:isolation */
1271	val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
1272	val8 |= SYS_ISO_ANALOG_IPS;
1273	rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
1274
1275	/* 0x0020[0] = 0 disable LDOA12 MACRO block*/
1276	val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
1277	val8 &= ~LDOA15_ENABLE;
1278	rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
1279
1280exit:
1281	return ret;
1282}
1283
1284static int rtl8723b_emu_to_active(struct rtl8xxxu_priv *priv)
1285{
1286	u8 val8;
1287	u32 val32;
1288	int count, ret = 0;
1289
1290	/* 0x20[0] = 1 enable LDOA12 MACRO block for all interface */
1291	val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
1292	val8 |= LDOA15_ENABLE;
1293	rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
1294
1295	/* 0x67[0] = 0 to disable BT_GPS_SEL pins*/
1296	val8 = rtl8xxxu_read8(priv, 0x0067);
1297	val8 &= ~BIT(4);
1298	rtl8xxxu_write8(priv, 0x0067, val8);
1299
1300	mdelay(1);
1301
1302	/* 0x00[5] = 0 release analog Ips to digital, 1:isolation */
1303	val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
1304	val8 &= ~SYS_ISO_ANALOG_IPS;
1305	rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
1306
1307	/* Disable SW LPS 0x04[10]= 0 */
1308	val32 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
1309	val32 &= ~APS_FSMCO_SW_LPS;
1310	rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1311
1312	/* Wait until 0x04[17] = 1 power ready */
1313	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1314		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1315		if (val32 & BIT(17))
1316			break;
1317
1318		udelay(10);
1319	}
1320
1321	if (!count) {
1322		ret = -EBUSY;
1323		goto exit;
1324	}
1325
1326	/* We should be able to optimize the following three entries into one */
1327
1328	/* Release WLON reset 0x04[16]= 1*/
1329	val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1330	val32 |= APS_FSMCO_WLON_RESET;
1331	rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1332
1333	/* Disable HWPDN 0x04[15]= 0*/
1334	val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1335	val32 &= ~APS_FSMCO_HW_POWERDOWN;
1336	rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1337
1338	/* Disable WL suspend*/
1339	val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1340	val32 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE);
1341	rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1342
1343	/* Set, then poll until 0 */
1344	val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1345	val32 |= APS_FSMCO_MAC_ENABLE;
1346	rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1347
1348	for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1349		val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1350		if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
1351			ret = 0;
1352			break;
1353		}
1354		udelay(10);
1355	}
1356
1357	if (!count) {
1358		ret = -EBUSY;
1359		goto exit;
1360	}
1361
1362	/* Enable WL control XTAL setting */
1363	val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
1364	val8 |= AFE_MISC_WL_XTAL_CTRL;
1365	rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
1366
1367	/* Enable falling edge triggering interrupt */
1368	val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 1);
1369	val8 |= BIT(1);
1370	rtl8xxxu_write8(priv, REG_GPIO_INTM + 1, val8);
1371
1372	/* Enable GPIO9 interrupt mode */
1373	val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2 + 1);
1374	val8 |= BIT(1);
1375	rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2 + 1, val8);
1376
1377	/* Enable GPIO9 input mode */
1378	val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2);
1379	val8 &= ~BIT(1);
1380	rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2, val8);
1381
1382	/* Enable HSISR GPIO[C:0] interrupt */
1383	val8 = rtl8xxxu_read8(priv, REG_HSIMR);
1384	val8 |= BIT(0);
1385	rtl8xxxu_write8(priv, REG_HSIMR, val8);
1386
1387	/* Enable HSISR GPIO9 interrupt */
1388	val8 = rtl8xxxu_read8(priv, REG_HSIMR + 2);
1389	val8 |= BIT(1);
1390	rtl8xxxu_write8(priv, REG_HSIMR + 2, val8);
1391
1392	val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL);
1393	val8 |= MULTI_WIFI_HW_ROF_EN;
1394	rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL, val8);
1395
1396	/* For GPIO9 internal pull high setting BIT(14) */
1397	val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL + 1);
1398	val8 |= BIT(6);
1399	rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL + 1, val8);
1400
1401exit:
1402	return ret;
1403}
1404
1405static int rtl8723bu_power_on(struct rtl8xxxu_priv *priv)
1406{
1407	u8 val8;
1408	u16 val16;
1409	u32 val32;
1410	int ret;
1411
1412	rtl8xxxu_disabled_to_emu(priv);
1413
1414	ret = rtl8723b_emu_to_active(priv);
1415	if (ret)
1416		goto exit;
1417
1418	/*
1419	 * Enable MAC DMA/WMAC/SCHEDULE/SEC block
1420	 * Set CR bit10 to enable 32k calibration.
1421	 */
1422	val16 = rtl8xxxu_read16(priv, REG_CR);
1423	val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
1424		  CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
1425		  CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
1426		  CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
1427		  CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
1428	rtl8xxxu_write16(priv, REG_CR, val16);
1429
1430	/*
1431	 * BT coexist power on settings. This is identical for 1 and 2
1432	 * antenna parts.
1433	 */
1434	rtl8xxxu_write8(priv, REG_PAD_CTRL1 + 3, 0x20);
1435
1436	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1437	val16 |= SYS_FUNC_BBRSTB | SYS_FUNC_BB_GLB_RSTN;
1438	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1439
1440	rtl8xxxu_write8(priv, REG_BT_CONTROL_8723BU + 1, 0x18);
1441	rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
1442	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
1443	/* Antenna inverse */
1444	rtl8xxxu_write8(priv, 0xfe08, 0x01);
1445
1446	val16 = rtl8xxxu_read16(priv, REG_PWR_DATA);
1447	val16 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1448	rtl8xxxu_write16(priv, REG_PWR_DATA, val16);
1449
1450	val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1451	val32 |= LEDCFG0_DPDT_SELECT;
1452	rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1453
1454	val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1455	val8 &= ~PAD_CTRL1_SW_DPDT_SEL_DATA;
1456	rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1457exit:
1458	return ret;
1459}
1460
1461static void rtl8723bu_power_off(struct rtl8xxxu_priv *priv)
1462{
1463	u8 val8;
1464	u16 val16;
1465
1466	rtl8xxxu_flush_fifo(priv);
1467
1468	/*
1469	 * Disable TX report timer
1470	 */
1471	val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
1472	val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
1473	rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
1474
1475	rtl8xxxu_write8(priv, REG_CR, 0x0000);
1476
1477	rtl8xxxu_active_to_lps(priv);
1478
1479	/* Reset Firmware if running in RAM */
1480	if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
1481		rtl8xxxu_firmware_self_reset(priv);
1482
1483	/* Reset MCU */
1484	val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1485	val16 &= ~SYS_FUNC_CPU_ENABLE;
1486	rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1487
1488	/* Reset MCU ready status */
1489	rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
1490
1491	rtl8723bu_active_to_emu(priv);
1492
1493	val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1494	val8 |= BIT(3); /* APS_FSMCO_HW_SUSPEND */
1495	rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1496
1497	/* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */
1498	val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2);
1499	val8 |= BIT(0);
1500	rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8);
1501}
1502
1503static void rtl8723b_enable_rf(struct rtl8xxxu_priv *priv)
1504{
1505	struct h2c_cmd h2c;
1506	u32 val32;
1507	u8 val8;
1508
1509	val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA);
1510	val32 |= (BIT(22) | BIT(23));
1511	rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32);
1512
1513	/*
1514	 * No indication anywhere as to what 0x0790 does. The 2 antenna
1515	 * vendor code preserves bits 6-7 here.
1516	 */
1517	rtl8xxxu_write8(priv, 0x0790, 0x05);
1518	/*
1519	 * 0x0778 seems to be related to enabling the number of antennas
1520	 * In the vendor driver halbtc8723b2ant_InitHwConfig() sets it
1521	 * to 0x03, while halbtc8723b1ant_InitHwConfig() sets it to 0x01
1522	 */
1523	rtl8xxxu_write8(priv, 0x0778, 0x01);
1524
1525	val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
1526	val8 |= BIT(5);
1527	rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
1528
1529	rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_IQADJ_G1, 0x780);
1530
1531	rtl8723bu_write_btreg(priv, 0x3c, 0x15); /* BT TRx Mask on */
1532
1533	/*
1534	 * Set BT grant to low
1535	 */
1536	memset(&h2c, 0, sizeof(struct h2c_cmd));
1537	h2c.bt_grant.cmd = H2C_8723B_BT_GRANT;
1538	h2c.bt_grant.data = 0;
1539	rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_grant));
1540
1541	/*
1542	 * WLAN action by PTA
1543	 */
1544	rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x0c);
1545
1546	/*
1547	 * BT select S0/S1 controlled by WiFi
1548	 */
1549	val8 = rtl8xxxu_read8(priv, 0x0067);
1550	val8 |= BIT(5);
1551	rtl8xxxu_write8(priv, 0x0067, val8);
1552
1553	val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
1554	val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1555	rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
1556
1557	/*
1558	 * Bits 6/7 are marked in/out ... but for what?
1559	 */
1560	rtl8xxxu_write8(priv, 0x0974, 0xff);
1561
1562	val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
1563	val32 |= (BIT(0) | BIT(1));
1564	rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
1565
1566	rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77);
1567
1568	val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1569	val32 &= ~BIT(24);
1570	val32 |= BIT(23);
1571	rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1572
1573	/*
1574	 * Fix external switch Main->S1, Aux->S0
1575	 */
1576	val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1577	val8 &= ~BIT(0);
1578	rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1579
1580	memset(&h2c, 0, sizeof(struct h2c_cmd));
1581	h2c.ant_sel_rsv.cmd = H2C_8723B_ANT_SEL_RSV;
1582	h2c.ant_sel_rsv.ant_inverse = 1;
1583	h2c.ant_sel_rsv.int_switch_type = 0;
1584	rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ant_sel_rsv));
1585
1586	/*
1587	 * Different settings per different antenna position.
1588	 *      Antenna Position:   | Normal   Inverse
1589	 * --------------------------------------------------
1590	 * Antenna switch to BT:    |  0x280,   0x00
1591	 * Antenna switch to WiFi:  |  0x0,     0x280
1592	 * Antenna switch to PTA:   |  0x200,   0x80
1593	 */
1594	rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x80);
1595
1596	/*
1597	 * Software control, antenna at WiFi side
1598	 */
1599	rtl8723bu_set_ps_tdma(priv, 0x08, 0x00, 0x00, 0x00, 0x00);
1600
1601	rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555);
1602	rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555);
1603	rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
1604	rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
1605
1606	memset(&h2c, 0, sizeof(struct h2c_cmd));
1607	h2c.bt_info.cmd = H2C_8723B_BT_INFO;
1608	h2c.bt_info.data = BIT(0);
1609	rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_info));
1610
1611	memset(&h2c, 0, sizeof(struct h2c_cmd));
1612	h2c.ignore_wlan.cmd = H2C_8723B_BT_IGNORE_WLANACT;
1613	h2c.ignore_wlan.data = 0;
1614	rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ignore_wlan));
1615}
1616
1617static void rtl8723bu_init_aggregation(struct rtl8xxxu_priv *priv)
1618{
1619	u32 agg_rx;
1620	u8 agg_ctrl;
1621
1622	/*
1623	 * For now simply disable RX aggregation
1624	 */
1625	agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL);
1626	agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN;
1627
1628	agg_rx = rtl8xxxu_read32(priv, REG_RXDMA_AGG_PG_TH);
1629	agg_rx &= ~RXDMA_USB_AGG_ENABLE;
1630	agg_rx &= ~0xff0f;
1631
1632	rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
1633	rtl8xxxu_write32(priv, REG_RXDMA_AGG_PG_TH, agg_rx);
1634}
1635
1636static void rtl8723bu_init_statistics(struct rtl8xxxu_priv *priv)
1637{
1638	u32 val32;
1639
1640	/* Time duration for NHM unit: 4us, 0x2710=40ms */
1641	rtl8xxxu_write16(priv, REG_NHM_TIMER_8723B + 2, 0x2710);
1642	rtl8xxxu_write16(priv, REG_NHM_TH9_TH10_8723B + 2, 0xffff);
1643	rtl8xxxu_write32(priv, REG_NHM_TH3_TO_TH0_8723B, 0xffffff52);
1644	rtl8xxxu_write32(priv, REG_NHM_TH7_TO_TH4_8723B, 0xffffffff);
1645	/* TH8 */
1646	val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1647	val32 |= 0xff;
1648	rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1649	/* Enable CCK */
1650	val32 = rtl8xxxu_read32(priv, REG_NHM_TH9_TH10_8723B);
1651	val32 |= BIT(8) | BIT(9) | BIT(10);
1652	rtl8xxxu_write32(priv, REG_NHM_TH9_TH10_8723B, val32);
1653	/* Max power amongst all RX antennas */
1654	val32 = rtl8xxxu_read32(priv, REG_OFDM0_FA_RSTC);
1655	val32 |= BIT(7);
1656	rtl8xxxu_write32(priv, REG_OFDM0_FA_RSTC, val32);
1657}
1658
1659static s8 rtl8723b_cck_rssi(struct rtl8xxxu_priv *priv, struct rtl8723au_phy_stats *phy_stats)
1660{
1661	u8 cck_agc_rpt = phy_stats->cck_agc_rpt_ofdm_cfosho_a;
1662	s8 rx_pwr_all = 0x00;
1663	u8 vga_idx, lna_idx;
1664
1665	lna_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_LNA_IDX_MASK);
1666	vga_idx = u8_get_bits(cck_agc_rpt, CCK_AGC_RPT_VGA_IDX_MASK);
1667
1668	switch (lna_idx) {
1669	case 6:
1670		rx_pwr_all = -34 - (2 * vga_idx);
1671		break;
1672	case 4:
1673		rx_pwr_all = -14 - (2 * vga_idx);
1674		break;
1675	case 1:
1676		rx_pwr_all = 6 - (2 * vga_idx);
1677		break;
1678	case 0:
1679		rx_pwr_all = 16 - (2 * vga_idx);
1680		break;
1681	default:
1682		break;
1683	}
1684
1685	return rx_pwr_all;
1686}
1687
1688static int rtl8723bu_led_brightness_set(struct led_classdev *led_cdev,
1689					enum led_brightness brightness)
1690{
1691	struct rtl8xxxu_priv *priv = container_of(led_cdev,
1692						  struct rtl8xxxu_priv,
1693						  led_cdev);
1694	u8 ledcfg = rtl8xxxu_read8(priv, REG_LEDCFG2);
1695
1696	ledcfg &= LEDCFG2_DPDT_SELECT;
1697
1698	if (brightness == LED_OFF)
1699		ledcfg |= LEDCFG2_SW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE;
1700	else if (brightness == LED_ON)
1701		ledcfg |= LEDCFG2_SW_LED_CONTROL;
1702	else if (brightness == RTL8XXXU_HW_LED_CONTROL)
1703		ledcfg |= LEDCFG2_HW_LED_CONTROL | LEDCFG2_HW_LED_ENABLE;
1704
1705	rtl8xxxu_write8(priv, REG_LEDCFG2, ledcfg);
1706
1707	return 0;
1708}
1709
1710struct rtl8xxxu_fileops rtl8723bu_fops = {
1711	.identify_chip = rtl8723bu_identify_chip,
1712	.parse_efuse = rtl8723bu_parse_efuse,
1713	.load_firmware = rtl8723bu_load_firmware,
1714	.power_on = rtl8723bu_power_on,
1715	.power_off = rtl8723bu_power_off,
1716	.read_efuse = rtl8xxxu_read_efuse,
1717	.reset_8051 = rtl8723bu_reset_8051,
1718	.llt_init = rtl8xxxu_auto_llt_table,
1719	.init_phy_bb = rtl8723bu_init_phy_bb,
1720	.init_phy_rf = rtl8723bu_init_phy_rf,
1721	.phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection,
1722	.phy_lc_calibrate = rtl8723a_phy_lc_calibrate,
1723	.phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
1724	.config_channel = rtl8xxxu_gen2_config_channel,
1725	.parse_rx_desc = rtl8xxxu_parse_rxdesc24,
1726	.parse_phystats = rtl8723au_rx_parse_phystats,
1727	.init_aggregation = rtl8723bu_init_aggregation,
1728	.init_statistics = rtl8723bu_init_statistics,
1729	.init_burst = rtl8xxxu_init_burst,
1730	.enable_rf = rtl8723b_enable_rf,
1731	.disable_rf = rtl8xxxu_gen2_disable_rf,
1732	.usb_quirks = rtl8xxxu_gen2_usb_quirks,
1733	.set_tx_power = rtl8723b_set_tx_power,
1734	.update_rate_mask = rtl8xxxu_gen2_update_rate_mask,
1735	.report_connect = rtl8xxxu_gen2_report_connect,
1736	.report_rssi = rtl8xxxu_gen2_report_rssi,
1737	.fill_txdesc = rtl8xxxu_fill_txdesc_v2,
1738	.set_crystal_cap = rtl8723a_set_crystal_cap,
1739	.cck_rssi = rtl8723b_cck_rssi,
1740	.led_classdev_brightness_set = rtl8723bu_led_brightness_set,
1741	.writeN_block_size = 1024,
1742	.tx_desc_size = sizeof(struct rtl8xxxu_txdesc40),
1743	.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24),
1744	.has_s0s1 = 1,
1745	.has_tx_report = 1,
1746	.gen2_thermal_meter = 1,
1747	.needs_full_init = 1,
1748	.init_reg_hmtfr = 1,
1749	.ampdu_max_time = 0x5e,
1750	.ustime_tsf_edca = 0x50,
1751	.max_aggr_num = 0x0c14,
1752	.supports_ap = 1,
1753	.max_macid_num = 128,
1754	.max_sec_cam_num = 64,
1755	.adda_1t_init = 0x01c00014,
1756	.adda_1t_path_on = 0x01c00014,
1757	.adda_2t_path_on_a = 0x01c00014,
1758	.adda_2t_path_on_b = 0x01c00014,
1759	.trxff_boundary = 0x3f7f,
1760	.pbp_rx = PBP_PAGE_SIZE_256,
1761	.pbp_tx = PBP_PAGE_SIZE_256,
1762	.mactable = rtl8723b_mac_init_table,
1763	.total_page_num = TX_TOTAL_PAGE_NUM_8723B,
1764	.page_num_hi = TX_PAGE_NUM_HI_PQ_8723B,
1765	.page_num_lo = TX_PAGE_NUM_LO_PQ_8723B,
1766	.page_num_norm = TX_PAGE_NUM_NORM_PQ_8723B,
1767};
1768