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 <linux/init.h>
17 #include <linux/kernel.h>
18 #include <linux/sched.h>
19 #include <linux/errno.h>
20 #include <linux/slab.h>
21 #include <linux/module.h>
22 #include <linux/spinlock.h>
23 #include <linux/list.h>
24 #include <linux/usb.h>
25 #include <linux/netdevice.h>
26 #include <linux/etherdevice.h>
27 #include <linux/ethtool.h>
28 #include <linux/wireless.h>
29 #include <linux/firmware.h>
30 #include <linux/moduleparam.h>
31 #include <net/mac80211.h>
32 #include "rtl8xxxu.h"
33 #include "rtl8xxxu_regs.h"
34
35 static struct rtl8xxxu_reg8val rtl8723b_mac_init_table[] = {
36 {0x02f, 0x30}, {0x035, 0x00}, {0x039, 0x08}, {0x04e, 0xe0},
37 {0x064, 0x00}, {0x067, 0x20}, {0x428, 0x0a}, {0x429, 0x10},
38 {0x430, 0x00}, {0x431, 0x00},
39 {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, {0x435, 0x05},
40 {0x436, 0x07}, {0x437, 0x08}, {0x43c, 0x04}, {0x43d, 0x05},
41 {0x43e, 0x07}, {0x43f, 0x08}, {0x440, 0x5d}, {0x441, 0x01},
42 {0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, {0x446, 0x00},
43 {0x447, 0x00}, {0x448, 0x00}, {0x449, 0xf0}, {0x44a, 0x0f},
44 {0x44b, 0x3e}, {0x44c, 0x10}, {0x44d, 0x00}, {0x44e, 0x00},
45 {0x44f, 0x00}, {0x450, 0x00}, {0x451, 0xf0}, {0x452, 0x0f},
46 {0x453, 0x00}, {0x456, 0x5e}, {0x460, 0x66}, {0x461, 0x66},
47 {0x4c8, 0xff}, {0x4c9, 0x08}, {0x4cc, 0xff},
48 {0x4cd, 0xff}, {0x4ce, 0x01}, {0x500, 0x26}, {0x501, 0xa2},
49 {0x502, 0x2f}, {0x503, 0x00}, {0x504, 0x28}, {0x505, 0xa3},
50 {0x506, 0x5e}, {0x507, 0x00}, {0x508, 0x2b}, {0x509, 0xa4},
51 {0x50a, 0x5e}, {0x50b, 0x00}, {0x50c, 0x4f}, {0x50d, 0xa4},
52 {0x50e, 0x00}, {0x50f, 0x00}, {0x512, 0x1c}, {0x514, 0x0a},
53 {0x516, 0x0a}, {0x525, 0x4f},
54 {0x550, 0x10}, {0x551, 0x10}, {0x559, 0x02}, {0x55c, 0x50},
55 {0x55d, 0xff}, {0x605, 0x30}, {0x608, 0x0e}, {0x609, 0x2a},
56 {0x620, 0xff}, {0x621, 0xff}, {0x622, 0xff}, {0x623, 0xff},
57 {0x624, 0xff}, {0x625, 0xff}, {0x626, 0xff}, {0x627, 0xff},
58 {0x638, 0x50}, {0x63c, 0x0a}, {0x63d, 0x0a}, {0x63e, 0x0e},
59 {0x63f, 0x0e}, {0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00},
60 {0x652, 0xc8}, {0x66e, 0x05}, {0x700, 0x21}, {0x701, 0x43},
61 {0x702, 0x65}, {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43},
62 {0x70a, 0x65}, {0x70b, 0x87}, {0x765, 0x18}, {0x76e, 0x04},
63 {0xffff, 0xff},
64 };
65
66 static struct rtl8xxxu_reg32val rtl8723b_phy_1t_init_table[] = {
67 {0x800, 0x80040000}, {0x804, 0x00000003},
68 {0x808, 0x0000fc00}, {0x80c, 0x0000000a},
69 {0x810, 0x10001331}, {0x814, 0x020c3d10},
70 {0x818, 0x02200385}, {0x81c, 0x00000000},
71 {0x820, 0x01000100}, {0x824, 0x00190204},
72 {0x828, 0x00000000}, {0x82c, 0x00000000},
73 {0x830, 0x00000000}, {0x834, 0x00000000},
74 {0x838, 0x00000000}, {0x83c, 0x00000000},
75 {0x840, 0x00010000}, {0x844, 0x00000000},
76 {0x848, 0x00000000}, {0x84c, 0x00000000},
77 {0x850, 0x00000000}, {0x854, 0x00000000},
78 {0x858, 0x569a11a9}, {0x85c, 0x01000014},
79 {0x860, 0x66f60110}, {0x864, 0x061f0649},
80 {0x868, 0x00000000}, {0x86c, 0x27272700},
81 {0x870, 0x07000760}, {0x874, 0x25004000},
82 {0x878, 0x00000808}, {0x87c, 0x00000000},
83 {0x880, 0xb0000c1c}, {0x884, 0x00000001},
84 {0x888, 0x00000000}, {0x88c, 0xccc000c0},
85 {0x890, 0x00000800}, {0x894, 0xfffffffe},
86 {0x898, 0x40302010}, {0x89c, 0x00706050},
87 {0x900, 0x00000000}, {0x904, 0x00000023},
88 {0x908, 0x00000000}, {0x90c, 0x81121111},
89 {0x910, 0x00000002}, {0x914, 0x00000201},
90 {0xa00, 0x00d047c8}, {0xa04, 0x80ff800c},
91 {0xa08, 0x8c838300}, {0xa0c, 0x2e7f120f},
92 {0xa10, 0x9500bb78}, {0xa14, 0x1114d028},
93 {0xa18, 0x00881117}, {0xa1c, 0x89140f00},
94 {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317},
95 {0xa28, 0x00000204}, {0xa2c, 0x00d30000},
96 {0xa70, 0x101fbf00}, {0xa74, 0x00000007},
97 {0xa78, 0x00000900}, {0xa7c, 0x225b0606},
98 {0xa80, 0x21806490}, {0xb2c, 0x00000000},
99 {0xc00, 0x48071d40}, {0xc04, 0x03a05611},
100 {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c},
101 {0xc10, 0x08800000}, {0xc14, 0x40000100},
102 {0xc18, 0x08800000}, {0xc1c, 0x40000100},
103 {0xc20, 0x00000000}, {0xc24, 0x00000000},
104 {0xc28, 0x00000000}, {0xc2c, 0x00000000},
105 {0xc30, 0x69e9ac44}, {0xc34, 0x469652af},
106 {0xc38, 0x49795994}, {0xc3c, 0x0a97971c},
107 {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7},
108 {0xc48, 0xec020107}, {0xc4c, 0x007f037f},
109 {0xc50, 0x69553420}, {0xc54, 0x43bc0094},
110 {0xc58, 0x00013149}, {0xc5c, 0x00250492},
111 {0xc60, 0x00000000}, {0xc64, 0x7112848b},
112 {0xc68, 0x47c00bff}, {0xc6c, 0x00000036},
113 {0xc70, 0x2c7f000d}, {0xc74, 0x020610db},
114 {0xc78, 0x0000001f}, {0xc7c, 0x00b91612},
115 {0xc80, 0x390000e4}, {0xc84, 0x20f60000},
116 {0xc88, 0x40000100}, {0xc8c, 0x20200000},
117 {0xc90, 0x00020e1a}, {0xc94, 0x00000000},
118 {0xc98, 0x00020e1a}, {0xc9c, 0x00007f7f},
119 {0xca0, 0x00000000}, {0xca4, 0x000300a0},
120 {0xca8, 0x00000000}, {0xcac, 0x00000000},
121 {0xcb0, 0x00000000}, {0xcb4, 0x00000000},
122 {0xcb8, 0x00000000}, {0xcbc, 0x28000000},
123 {0xcc0, 0x00000000}, {0xcc4, 0x00000000},
124 {0xcc8, 0x00000000}, {0xccc, 0x00000000},
125 {0xcd0, 0x00000000}, {0xcd4, 0x00000000},
126 {0xcd8, 0x64b22427}, {0xcdc, 0x00766932},
127 {0xce0, 0x00222222}, {0xce4, 0x00000000},
128 {0xce8, 0x37644302}, {0xcec, 0x2f97d40c},
129 {0xd00, 0x00000740}, {0xd04, 0x40020401},
130 {0xd08, 0x0000907f}, {0xd0c, 0x20010201},
131 {0xd10, 0xa0633333}, {0xd14, 0x3333bc53},
132 {0xd18, 0x7a8f5b6f}, {0xd2c, 0xcc979975},
133 {0xd30, 0x00000000}, {0xd34, 0x80608000},
134 {0xd38, 0x00000000}, {0xd3c, 0x00127353},
135 {0xd40, 0x00000000}, {0xd44, 0x00000000},
136 {0xd48, 0x00000000}, {0xd4c, 0x00000000},
137 {0xd50, 0x6437140a}, {0xd54, 0x00000000},
138 {0xd58, 0x00000282}, {0xd5c, 0x30032064},
139 {0xd60, 0x4653de68}, {0xd64, 0x04518a3c},
140 {0xd68, 0x00002101}, {0xd6c, 0x2a201c16},
141 {0xd70, 0x1812362e}, {0xd74, 0x322c2220},
142 {0xd78, 0x000e3c24}, {0xe00, 0x2d2d2d2d},
143 {0xe04, 0x2d2d2d2d}, {0xe08, 0x0390272d},
144 {0xe10, 0x2d2d2d2d}, {0xe14, 0x2d2d2d2d},
145 {0xe18, 0x2d2d2d2d}, {0xe1c, 0x2d2d2d2d},
146 {0xe28, 0x00000000}, {0xe30, 0x1000dc1f},
147 {0xe34, 0x10008c1f}, {0xe38, 0x02140102},
148 {0xe3c, 0x681604c2}, {0xe40, 0x01007c00},
149 {0xe44, 0x01004800}, {0xe48, 0xfb000000},
150 {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f},
151 {0xe54, 0x10008c1f}, {0xe58, 0x02140102},
152 {0xe5c, 0x28160d05}, {0xe60, 0x00000008},
153 {0xe68, 0x001b2556}, {0xe6c, 0x00c00096},
154 {0xe70, 0x00c00096}, {0xe74, 0x01000056},
155 {0xe78, 0x01000014}, {0xe7c, 0x01000056},
156 {0xe80, 0x01000014}, {0xe84, 0x00c00096},
157 {0xe88, 0x01000056}, {0xe8c, 0x00c00096},
158 {0xed0, 0x00c00096}, {0xed4, 0x00c00096},
159 {0xed8, 0x00c00096}, {0xedc, 0x000000d6},
160 {0xee0, 0x000000d6}, {0xeec, 0x01c00016},
161 {0xf14, 0x00000003}, {0xf4c, 0x00000000},
162 {0xf00, 0x00000300},
163 {0x820, 0x01000100}, {0x800, 0x83040000},
164 {0xffff, 0xffffffff},
165 };
166
167 static struct rtl8xxxu_reg32val rtl8xxx_agc_8723bu_table[] = {
168 {0xc78, 0xfd000001}, {0xc78, 0xfc010001},
169 {0xc78, 0xfb020001}, {0xc78, 0xfa030001},
170 {0xc78, 0xf9040001}, {0xc78, 0xf8050001},
171 {0xc78, 0xf7060001}, {0xc78, 0xf6070001},
172 {0xc78, 0xf5080001}, {0xc78, 0xf4090001},
173 {0xc78, 0xf30a0001}, {0xc78, 0xf20b0001},
174 {0xc78, 0xf10c0001}, {0xc78, 0xf00d0001},
175 {0xc78, 0xef0e0001}, {0xc78, 0xee0f0001},
176 {0xc78, 0xed100001}, {0xc78, 0xec110001},
177 {0xc78, 0xeb120001}, {0xc78, 0xea130001},
178 {0xc78, 0xe9140001}, {0xc78, 0xe8150001},
179 {0xc78, 0xe7160001}, {0xc78, 0xe6170001},
180 {0xc78, 0xe5180001}, {0xc78, 0xe4190001},
181 {0xc78, 0xe31a0001}, {0xc78, 0xa51b0001},
182 {0xc78, 0xa41c0001}, {0xc78, 0xa31d0001},
183 {0xc78, 0x671e0001}, {0xc78, 0x661f0001},
184 {0xc78, 0x65200001}, {0xc78, 0x64210001},
185 {0xc78, 0x63220001}, {0xc78, 0x4a230001},
186 {0xc78, 0x49240001}, {0xc78, 0x48250001},
187 {0xc78, 0x47260001}, {0xc78, 0x46270001},
188 {0xc78, 0x45280001}, {0xc78, 0x44290001},
189 {0xc78, 0x432a0001}, {0xc78, 0x422b0001},
190 {0xc78, 0x292c0001}, {0xc78, 0x282d0001},
191 {0xc78, 0x272e0001}, {0xc78, 0x262f0001},
192 {0xc78, 0x0a300001}, {0xc78, 0x09310001},
193 {0xc78, 0x08320001}, {0xc78, 0x07330001},
194 {0xc78, 0x06340001}, {0xc78, 0x05350001},
195 {0xc78, 0x04360001}, {0xc78, 0x03370001},
196 {0xc78, 0x02380001}, {0xc78, 0x01390001},
197 {0xc78, 0x013a0001}, {0xc78, 0x013b0001},
198 {0xc78, 0x013c0001}, {0xc78, 0x013d0001},
199 {0xc78, 0x013e0001}, {0xc78, 0x013f0001},
200 {0xc78, 0xfc400001}, {0xc78, 0xfb410001},
201 {0xc78, 0xfa420001}, {0xc78, 0xf9430001},
202 {0xc78, 0xf8440001}, {0xc78, 0xf7450001},
203 {0xc78, 0xf6460001}, {0xc78, 0xf5470001},
204 {0xc78, 0xf4480001}, {0xc78, 0xf3490001},
205 {0xc78, 0xf24a0001}, {0xc78, 0xf14b0001},
206 {0xc78, 0xf04c0001}, {0xc78, 0xef4d0001},
207 {0xc78, 0xee4e0001}, {0xc78, 0xed4f0001},
208 {0xc78, 0xec500001}, {0xc78, 0xeb510001},
209 {0xc78, 0xea520001}, {0xc78, 0xe9530001},
210 {0xc78, 0xe8540001}, {0xc78, 0xe7550001},
211 {0xc78, 0xe6560001}, {0xc78, 0xe5570001},
212 {0xc78, 0xe4580001}, {0xc78, 0xe3590001},
213 {0xc78, 0xa65a0001}, {0xc78, 0xa55b0001},
214 {0xc78, 0xa45c0001}, {0xc78, 0xa35d0001},
215 {0xc78, 0x675e0001}, {0xc78, 0x665f0001},
216 {0xc78, 0x65600001}, {0xc78, 0x64610001},
217 {0xc78, 0x63620001}, {0xc78, 0x62630001},
218 {0xc78, 0x61640001}, {0xc78, 0x48650001},
219 {0xc78, 0x47660001}, {0xc78, 0x46670001},
220 {0xc78, 0x45680001}, {0xc78, 0x44690001},
221 {0xc78, 0x436a0001}, {0xc78, 0x426b0001},
222 {0xc78, 0x286c0001}, {0xc78, 0x276d0001},
223 {0xc78, 0x266e0001}, {0xc78, 0x256f0001},
224 {0xc78, 0x24700001}, {0xc78, 0x09710001},
225 {0xc78, 0x08720001}, {0xc78, 0x07730001},
226 {0xc78, 0x06740001}, {0xc78, 0x05750001},
227 {0xc78, 0x04760001}, {0xc78, 0x03770001},
228 {0xc78, 0x02780001}, {0xc78, 0x01790001},
229 {0xc78, 0x017a0001}, {0xc78, 0x017b0001},
230 {0xc78, 0x017c0001}, {0xc78, 0x017d0001},
231 {0xc78, 0x017e0001}, {0xc78, 0x017f0001},
232 {0xc50, 0x69553422},
233 {0xc50, 0x69553420},
234 {0x824, 0x00390204},
235 {0xffff, 0xffffffff}
236 };
237
238 static struct rtl8xxxu_rfregval rtl8723bu_radioa_1t_init_table[] = {
239 {0x00, 0x00010000}, {0xb0, 0x000dffe0},
240 {0xfe, 0x00000000}, {0xfe, 0x00000000},
241 {0xfe, 0x00000000}, {0xb1, 0x00000018},
242 {0xfe, 0x00000000}, {0xfe, 0x00000000},
243 {0xfe, 0x00000000}, {0xb2, 0x00084c00},
244 {0xb5, 0x0000d2cc}, {0xb6, 0x000925aa},
245 {0xb7, 0x00000010}, {0xb8, 0x0000907f},
246 {0x5c, 0x00000002}, {0x7c, 0x00000002},
247 {0x7e, 0x00000005}, {0x8b, 0x0006fc00},
248 {0xb0, 0x000ff9f0}, {0x1c, 0x000739d2},
249 {0x1e, 0x00000000}, {0xdf, 0x00000780},
250 {0x50, 0x00067435},
251 /*
252 * The 8723bu vendor driver indicates that bit 8 should be set in
253 * 0x51 for package types TFBGA90, TFBGA80, and TFBGA79. However
254 * they never actually check the package type - and just default
255 * to not setting it.
256 */
257 {0x51, 0x0006b04e},
258 {0x52, 0x000007d2}, {0x53, 0x00000000},
259 {0x54, 0x00050400}, {0x55, 0x0004026e},
260 {0xdd, 0x0000004c}, {0x70, 0x00067435},
261 /*
262 * 0x71 has same package type condition as for register 0x51
263 */
264 {0x71, 0x0006b04e},
265 {0x72, 0x000007d2}, {0x73, 0x00000000},
266 {0x74, 0x00050400}, {0x75, 0x0004026e},
267 {0xef, 0x00000100}, {0x34, 0x0000add7},
268 {0x35, 0x00005c00}, {0x34, 0x00009dd4},
269 {0x35, 0x00005000}, {0x34, 0x00008dd1},
270 {0x35, 0x00004400}, {0x34, 0x00007dce},
271 {0x35, 0x00003800}, {0x34, 0x00006cd1},
272 {0x35, 0x00004400}, {0x34, 0x00005cce},
273 {0x35, 0x00003800}, {0x34, 0x000048ce},
274 {0x35, 0x00004400}, {0x34, 0x000034ce},
275 {0x35, 0x00003800}, {0x34, 0x00002451},
276 {0x35, 0x00004400}, {0x34, 0x0000144e},
277 {0x35, 0x00003800}, {0x34, 0x00000051},
278 {0x35, 0x00004400}, {0xef, 0x00000000},
279 {0xef, 0x00000100}, {0xed, 0x00000010},
280 {0x44, 0x0000add7}, {0x44, 0x00009dd4},
281 {0x44, 0x00008dd1}, {0x44, 0x00007dce},
282 {0x44, 0x00006cc1}, {0x44, 0x00005cce},
283 {0x44, 0x000044d1}, {0x44, 0x000034ce},
284 {0x44, 0x00002451}, {0x44, 0x0000144e},
285 {0x44, 0x00000051}, {0xef, 0x00000000},
286 {0xed, 0x00000000}, {0x7f, 0x00020080},
287 {0xef, 0x00002000}, {0x3b, 0x000380ef},
288 {0x3b, 0x000302fe}, {0x3b, 0x00028ce6},
289 {0x3b, 0x000200bc}, {0x3b, 0x000188a5},
290 {0x3b, 0x00010fbc}, {0x3b, 0x00008f71},
291 {0x3b, 0x00000900}, {0xef, 0x00000000},
292 {0xed, 0x00000001}, {0x40, 0x000380ef},
293 {0x40, 0x000302fe}, {0x40, 0x00028ce6},
294 {0x40, 0x000200bc}, {0x40, 0x000188a5},
295 {0x40, 0x00010fbc}, {0x40, 0x00008f71},
296 {0x40, 0x00000900}, {0xed, 0x00000000},
297 {0x82, 0x00080000}, {0x83, 0x00008000},
298 {0x84, 0x00048d80}, {0x85, 0x00068000},
299 {0xa2, 0x00080000}, {0xa3, 0x00008000},
300 {0xa4, 0x00048d80}, {0xa5, 0x00068000},
301 {0xed, 0x00000002}, {0xef, 0x00000002},
302 {0x56, 0x00000032}, {0x76, 0x00000032},
303 {0x01, 0x00000780},
304 {0xff, 0xffffffff}
305 };
306
rtl8723bu_write_btreg(struct rtl8xxxu_priv * priv,u8 reg,u8 data)307 static void rtl8723bu_write_btreg(struct rtl8xxxu_priv *priv, u8 reg, u8 data)
308 {
309 struct h2c_cmd h2c;
310 int reqnum = 0;
311
312 memset(&h2c, 0, sizeof(struct h2c_cmd));
313 h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER;
314 h2c.bt_mp_oper.operreq = 0 | (reqnum << 4);
315 h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE;
316 h2c.bt_mp_oper.data = data;
317 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper));
318
319 reqnum++;
320 memset(&h2c, 0, sizeof(struct h2c_cmd));
321 h2c.bt_mp_oper.cmd = H2C_8723B_BT_MP_OPER;
322 h2c.bt_mp_oper.operreq = 0 | (reqnum << 4);
323 h2c.bt_mp_oper.opcode = BT_MP_OP_WRITE_REG_VALUE;
324 h2c.bt_mp_oper.addr = reg;
325 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_mp_oper));
326 }
327
rtl8723bu_reset_8051(struct rtl8xxxu_priv * priv)328 static void rtl8723bu_reset_8051(struct rtl8xxxu_priv *priv)
329 {
330 u8 val8;
331 u16 sys_func;
332
333 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
334 val8 &= ~BIT(1);
335 rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
336
337 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
338 val8 &= ~BIT(0);
339 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
340
341 sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
342 sys_func &= ~SYS_FUNC_CPU_ENABLE;
343 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
344
345 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
346 val8 &= ~BIT(1);
347 rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
348
349 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
350 val8 |= BIT(0);
351 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
352
353 sys_func |= SYS_FUNC_CPU_ENABLE;
354 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
355 }
356
357 static void
rtl8723b_set_tx_power(struct rtl8xxxu_priv * priv,int channel,bool ht40)358 rtl8723b_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
359 {
360 u32 val32, ofdm, mcs;
361 u8 cck, ofdmbase, mcsbase;
362 int group, tx_idx;
363
364 tx_idx = 0;
365 group = rtl8xxxu_gen2_channel_to_group(channel);
366
367 cck = priv->cck_tx_power_index_B[group];
368 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
369 val32 &= 0xffff00ff;
370 val32 |= (cck << 8);
371 rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
372
373 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
374 val32 &= 0xff;
375 val32 |= ((cck << 8) | (cck << 16) | (cck << 24));
376 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
377
378 ofdmbase = priv->ht40_1s_tx_power_index_B[group];
379 ofdmbase += priv->ofdm_tx_power_diff[tx_idx].b;
380 ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24;
381
382 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm);
383 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm);
384
385 mcsbase = priv->ht40_1s_tx_power_index_B[group];
386 if (ht40)
387 mcsbase += priv->ht40_tx_power_diff[tx_idx++].b;
388 else
389 mcsbase += priv->ht20_tx_power_diff[tx_idx++].b;
390 mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24;
391
392 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs);
393 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs);
394 }
395
rtl8723bu_parse_efuse(struct rtl8xxxu_priv * priv)396 static int rtl8723bu_parse_efuse(struct rtl8xxxu_priv *priv)
397 {
398 struct rtl8723bu_efuse *efuse = &priv->efuse_wifi.efuse8723bu;
399 int i;
400
401 if (efuse->rtl_id != cpu_to_le16(0x8129))
402 return -EINVAL;
403
404 ether_addr_copy(priv->mac_addr, efuse->mac_addr);
405
406 memcpy(priv->cck_tx_power_index_A, efuse->tx_power_index_A.cck_base,
407 sizeof(efuse->tx_power_index_A.cck_base));
408 memcpy(priv->cck_tx_power_index_B, efuse->tx_power_index_B.cck_base,
409 sizeof(efuse->tx_power_index_B.cck_base));
410
411 memcpy(priv->ht40_1s_tx_power_index_A,
412 efuse->tx_power_index_A.ht40_base,
413 sizeof(efuse->tx_power_index_A.ht40_base));
414 memcpy(priv->ht40_1s_tx_power_index_B,
415 efuse->tx_power_index_B.ht40_base,
416 sizeof(efuse->tx_power_index_B.ht40_base));
417
418 priv->ofdm_tx_power_diff[0].a =
419 efuse->tx_power_index_A.ht20_ofdm_1s_diff.a;
420 priv->ofdm_tx_power_diff[0].b =
421 efuse->tx_power_index_B.ht20_ofdm_1s_diff.a;
422
423 priv->ht20_tx_power_diff[0].a =
424 efuse->tx_power_index_A.ht20_ofdm_1s_diff.b;
425 priv->ht20_tx_power_diff[0].b =
426 efuse->tx_power_index_B.ht20_ofdm_1s_diff.b;
427
428 priv->ht40_tx_power_diff[0].a = 0;
429 priv->ht40_tx_power_diff[0].b = 0;
430
431 for (i = 1; i < RTL8723B_TX_COUNT; i++) {
432 priv->ofdm_tx_power_diff[i].a =
433 efuse->tx_power_index_A.pwr_diff[i - 1].ofdm;
434 priv->ofdm_tx_power_diff[i].b =
435 efuse->tx_power_index_B.pwr_diff[i - 1].ofdm;
436
437 priv->ht20_tx_power_diff[i].a =
438 efuse->tx_power_index_A.pwr_diff[i - 1].ht20;
439 priv->ht20_tx_power_diff[i].b =
440 efuse->tx_power_index_B.pwr_diff[i - 1].ht20;
441
442 priv->ht40_tx_power_diff[i].a =
443 efuse->tx_power_index_A.pwr_diff[i - 1].ht40;
444 priv->ht40_tx_power_diff[i].b =
445 efuse->tx_power_index_B.pwr_diff[i - 1].ht40;
446 }
447
448 priv->has_xtalk = 1;
449 priv->xtalk = priv->efuse_wifi.efuse8723bu.xtal_k & 0x3f;
450
451 dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name);
452 dev_info(&priv->udev->dev, "Product: %.41s\n", efuse->device_name);
453
454 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) {
455 int i;
456 unsigned char *raw = priv->efuse_wifi.raw;
457
458 dev_info(&priv->udev->dev,
459 "%s: dumping efuse (0x%02zx bytes):\n",
460 __func__, sizeof(struct rtl8723bu_efuse));
461 for (i = 0; i < sizeof(struct rtl8723bu_efuse); i += 8)
462 dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]);
463 }
464
465 return 0;
466 }
467
rtl8723bu_load_firmware(struct rtl8xxxu_priv * priv)468 static int rtl8723bu_load_firmware(struct rtl8xxxu_priv *priv)
469 {
470 char *fw_name;
471 int ret;
472
473 if (priv->enable_bluetooth)
474 fw_name = "rtlwifi/rtl8723bu_bt.bin";
475 else
476 fw_name = "rtlwifi/rtl8723bu_nic.bin";
477
478 ret = rtl8xxxu_load_firmware(priv, fw_name);
479 return ret;
480 }
481
rtl8723bu_init_phy_bb(struct rtl8xxxu_priv * priv)482 static void rtl8723bu_init_phy_bb(struct rtl8xxxu_priv *priv)
483 {
484 u8 val8;
485 u16 val16;
486
487 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
488 val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF;
489 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
490
491 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
492
493 /* 6. 0x1f[7:0] = 0x07 */
494 val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
495 rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
496
497 /* Why? */
498 rtl8xxxu_write8(priv, REG_SYS_FUNC, 0xe3);
499 rtl8xxxu_write8(priv, REG_AFE_XTAL_CTRL + 1, 0x80);
500 rtl8xxxu_init_phy_regs(priv, rtl8723b_phy_1t_init_table);
501
502 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_8723bu_table);
503 }
504
rtl8723bu_init_phy_rf(struct rtl8xxxu_priv * priv)505 static int rtl8723bu_init_phy_rf(struct rtl8xxxu_priv *priv)
506 {
507 int ret;
508
509 ret = rtl8xxxu_init_phy_rf(priv, rtl8723bu_radioa_1t_init_table, RF_A);
510 /*
511 * PHY LCK
512 */
513 rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdfbe0);
514 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, 0x8c01);
515 msleep(200);
516 rtl8xxxu_write_rfreg(priv, RF_A, 0xb0, 0xdffe0);
517
518 return ret;
519 }
520
rtl8723bu_phy_init_antenna_selection(struct rtl8xxxu_priv * priv)521 static void rtl8723bu_phy_init_antenna_selection(struct rtl8xxxu_priv *priv)
522 {
523 u32 val32;
524
525 val32 = rtl8xxxu_read32(priv, REG_PAD_CTRL1);
526 val32 &= ~(BIT(20) | BIT(24));
527 rtl8xxxu_write32(priv, REG_PAD_CTRL1, val32);
528
529 val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG);
530 val32 &= ~BIT(4);
531 rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32);
532
533 val32 = rtl8xxxu_read32(priv, REG_GPIO_MUXCFG);
534 val32 |= BIT(3);
535 rtl8xxxu_write32(priv, REG_GPIO_MUXCFG, val32);
536
537 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
538 val32 |= BIT(24);
539 rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
540
541 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
542 val32 &= ~BIT(23);
543 rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
544
545 val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
546 val32 |= (BIT(0) | BIT(1));
547 rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
548
549 val32 = rtl8xxxu_read32(priv, REG_RFE_CTRL_ANTA_SRC);
550 val32 &= 0xffffff00;
551 val32 |= 0x77;
552 rtl8xxxu_write32(priv, REG_RFE_CTRL_ANTA_SRC, val32);
553
554 val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
555 val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
556 rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
557 }
558
rtl8723bu_iqk_path_a(struct rtl8xxxu_priv * priv)559 static int rtl8723bu_iqk_path_a(struct rtl8xxxu_priv *priv)
560 {
561 u32 reg_eac, reg_e94, reg_e9c, path_sel, val32;
562 int result = 0;
563
564 path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
565
566 /*
567 * Leave IQK mode
568 */
569 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
570 val32 &= 0x000000ff;
571 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
572
573 /*
574 * Enable path A PA in TX IQK mode
575 */
576 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
577 val32 |= 0x80000;
578 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
579 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000);
580 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0003f);
581 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xc7f87);
582
583 /*
584 * Tx IQK setting
585 */
586 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
587 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
588
589 /* path-A IQK setting */
590 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
591 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
592 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
593 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
594
595 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821403ea);
596 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000);
597 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
598 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
599
600 /* LO calibration setting */
601 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911);
602
603 /*
604 * Enter IQK mode
605 */
606 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
607 val32 &= 0x000000ff;
608 val32 |= 0x80800000;
609 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
610
611 /*
612 * The vendor driver indicates the USB module is always using
613 * S0S1 path 1 for the 8723bu. This may be different for 8192eu
614 */
615 if (priv->rf_paths > 1)
616 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
617 else
618 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
619
620 /*
621 * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu.
622 * No trace of this in the 8192eu or 8188eu vendor drivers.
623 */
624 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
625
626 /* One shot, path A LOK & IQK */
627 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
628 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
629
630 mdelay(1);
631
632 /* Restore Ant Path */
633 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
634 #ifdef RTL8723BU_BT
635 /* GNT_BT = 1 */
636 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
637 #endif
638
639 /*
640 * Leave IQK mode
641 */
642 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
643 val32 &= 0x000000ff;
644 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
645
646 /* Check failed */
647 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
648 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
649 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
650
651 val32 = (reg_e9c >> 16) & 0x3ff;
652 if (val32 & 0x200)
653 val32 = 0x400 - val32;
654
655 if (!(reg_eac & BIT(28)) &&
656 ((reg_e94 & 0x03ff0000) != 0x01420000) &&
657 ((reg_e9c & 0x03ff0000) != 0x00420000) &&
658 ((reg_e94 & 0x03ff0000) < 0x01100000) &&
659 ((reg_e94 & 0x03ff0000) > 0x00f00000) &&
660 val32 < 0xf)
661 result |= 0x01;
662 else /* If TX not OK, ignore RX */
663 goto out;
664
665 out:
666 return result;
667 }
668
rtl8723bu_rx_iqk_path_a(struct rtl8xxxu_priv * priv)669 static int rtl8723bu_rx_iqk_path_a(struct rtl8xxxu_priv *priv)
670 {
671 u32 reg_ea4, reg_eac, reg_e94, reg_e9c, path_sel, val32;
672 int result = 0;
673
674 path_sel = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH);
675
676 /*
677 * Leave IQK mode
678 */
679 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
680 val32 &= 0x000000ff;
681 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
682
683 /*
684 * Enable path A PA in TX IQK mode
685 */
686 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
687 val32 |= 0x80000;
688 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
689 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
690 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
691 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7);
692
693 /*
694 * Tx IQK setting
695 */
696 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
697 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
698
699 /* path-A IQK setting */
700 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c);
701 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c);
702 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
703 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
704
705 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160ff0);
706 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28110000);
707 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
708 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
709
710 /* LO calibration setting */
711 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911);
712
713 /*
714 * Enter IQK mode
715 */
716 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
717 val32 &= 0x000000ff;
718 val32 |= 0x80800000;
719 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
720
721 /*
722 * The vendor driver indicates the USB module is always using
723 * S0S1 path 1 for the 8723bu. This may be different for 8192eu
724 */
725 if (priv->rf_paths > 1)
726 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
727 else
728 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
729
730 /*
731 * Bit 12 seems to be BT_GRANT, and is only found in the 8723bu.
732 * No trace of this in the 8192eu or 8188eu vendor drivers.
733 */
734 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
735
736 /* One shot, path A LOK & IQK */
737 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
738 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
739
740 mdelay(1);
741
742 /* Restore Ant Path */
743 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
744 #ifdef RTL8723BU_BT
745 /* GNT_BT = 1 */
746 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
747 #endif
748
749 /*
750 * Leave IQK mode
751 */
752 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
753 val32 &= 0x000000ff;
754 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
755
756 /* Check failed */
757 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
758 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
759 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
760
761 val32 = (reg_e9c >> 16) & 0x3ff;
762 if (val32 & 0x200)
763 val32 = 0x400 - val32;
764
765 if (!(reg_eac & BIT(28)) &&
766 ((reg_e94 & 0x03ff0000) != 0x01420000) &&
767 ((reg_e9c & 0x03ff0000) != 0x00420000) &&
768 ((reg_e94 & 0x03ff0000) < 0x01100000) &&
769 ((reg_e94 & 0x03ff0000) > 0x00f00000) &&
770 val32 < 0xf)
771 result |= 0x01;
772 else /* If TX not OK, ignore RX */
773 goto out;
774
775 val32 = 0x80007c00 | (reg_e94 &0x3ff0000) |
776 ((reg_e9c & 0x3ff0000) >> 16);
777 rtl8xxxu_write32(priv, REG_TX_IQK, val32);
778
779 /*
780 * Modify RX IQK mode
781 */
782 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
783 val32 &= 0x000000ff;
784 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
785 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
786 val32 |= 0x80000;
787 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
788 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
789 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
790 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7d77);
791
792 /*
793 * PA, PAD setting
794 */
795 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0xf80);
796 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55, 0x4021f);
797
798 /*
799 * RX IQK setting
800 */
801 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
802
803 /* path-A IQK setting */
804 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x38008c1c);
805 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x18008c1c);
806 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x38008c1c);
807 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x38008c1c);
808
809 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82110000);
810 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x2816001f);
811 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82110000);
812 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28110000);
813
814 /* LO calibration setting */
815 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a8d1);
816
817 /*
818 * Enter IQK mode
819 */
820 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
821 val32 &= 0x000000ff;
822 val32 |= 0x80800000;
823 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
824
825 if (priv->rf_paths > 1)
826 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000000);
827 else
828 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00000280);
829
830 /*
831 * Disable BT
832 */
833 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00000800);
834
835 /* One shot, path A LOK & IQK */
836 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
837 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
838
839 mdelay(1);
840
841 /* Restore Ant Path */
842 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel);
843 #ifdef RTL8723BU_BT
844 /* GNT_BT = 1 */
845 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, 0x00001800);
846 #endif
847
848 /*
849 * Leave IQK mode
850 */
851 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
852 val32 &= 0x000000ff;
853 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
854
855 /* Check failed */
856 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
857 reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
858
859 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x780);
860
861 val32 = (reg_eac >> 16) & 0x3ff;
862 if (val32 & 0x200)
863 val32 = 0x400 - val32;
864
865 if (!(reg_eac & BIT(27)) &&
866 ((reg_ea4 & 0x03ff0000) != 0x01320000) &&
867 ((reg_eac & 0x03ff0000) != 0x00360000) &&
868 ((reg_ea4 & 0x03ff0000) < 0x01100000) &&
869 ((reg_ea4 & 0x03ff0000) > 0x00f00000) &&
870 val32 < 0xf)
871 result |= 0x02;
872 else /* If TX not OK, ignore RX */
873 goto out;
874 out:
875 return result;
876 }
877
rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv * priv,int result[][8],int t)878 static void rtl8723bu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
879 int result[][8], int t)
880 {
881 struct device *dev = &priv->udev->dev;
882 u32 i, val32;
883 int path_a_ok /*, path_b_ok */;
884 int retry = 2;
885 static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
886 REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
887 REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
888 REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
889 REG_TX_OFDM_BBON, REG_TX_TO_RX,
890 REG_TX_TO_TX, REG_RX_CCK,
891 REG_RX_OFDM, REG_RX_WAIT_RIFS,
892 REG_RX_TO_RX, REG_STANDBY,
893 REG_SLEEP, REG_PMPD_ANAEN
894 };
895 static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
896 REG_TXPAUSE, REG_BEACON_CTRL,
897 REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
898 };
899 static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
900 REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
901 REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
902 REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
903 REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE
904 };
905 u8 xa_agc = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1) & 0xff;
906 u8 xb_agc = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1) & 0xff;
907
908 /*
909 * Note: IQ calibration must be performed after loading
910 * PHY_REG.txt , and radio_a, radio_b.txt
911 */
912
913 if (t == 0) {
914 /* Save ADDA parameters, turn Path A ADDA on */
915 rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
916 RTL8XXXU_ADDA_REGS);
917 rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
918 rtl8xxxu_save_regs(priv, iqk_bb_regs,
919 priv->bb_backup, RTL8XXXU_BB_REGS);
920 }
921
922 rtl8xxxu_path_adda_on(priv, adda_regs, true);
923
924 /* MAC settings */
925 rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
926
927 val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
928 val32 |= 0x0f000000;
929 rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);
930
931 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
932 rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
933 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000);
934
935 /*
936 * RX IQ calibration setting for 8723B D cut large current issue
937 * when leaving IPS
938 */
939 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
940 val32 &= 0x000000ff;
941 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
942
943 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
944 val32 |= 0x80000;
945 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
946
947 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000);
948 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
949 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7fb7);
950
951 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED);
952 val32 |= 0x20;
953 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32);
954
955 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_43, 0x60fbd);
956
957 for (i = 0; i < retry; i++) {
958 path_a_ok = rtl8723bu_iqk_path_a(priv);
959 if (path_a_ok == 0x01) {
960 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
961 val32 &= 0x000000ff;
962 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
963
964 val32 = rtl8xxxu_read32(priv,
965 REG_TX_POWER_BEFORE_IQK_A);
966 result[t][0] = (val32 >> 16) & 0x3ff;
967 val32 = rtl8xxxu_read32(priv,
968 REG_TX_POWER_AFTER_IQK_A);
969 result[t][1] = (val32 >> 16) & 0x3ff;
970
971 break;
972 }
973 }
974
975 if (!path_a_ok)
976 dev_dbg(dev, "%s: Path A TX IQK failed!\n", __func__);
977
978 for (i = 0; i < retry; i++) {
979 path_a_ok = rtl8723bu_rx_iqk_path_a(priv);
980 if (path_a_ok == 0x03) {
981 val32 = rtl8xxxu_read32(priv,
982 REG_RX_POWER_BEFORE_IQK_A_2);
983 result[t][2] = (val32 >> 16) & 0x3ff;
984 val32 = rtl8xxxu_read32(priv,
985 REG_RX_POWER_AFTER_IQK_A_2);
986 result[t][3] = (val32 >> 16) & 0x3ff;
987
988 break;
989 }
990 }
991
992 if (!path_a_ok)
993 dev_dbg(dev, "%s: Path A RX IQK failed!\n", __func__);
994
995 if (priv->tx_paths > 1) {
996 #if 1
997 dev_warn(dev, "%s: Path B not supported\n", __func__);
998 #else
999
1000 /*
1001 * Path A into standby
1002 */
1003 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1004 val32 &= 0x000000ff;
1005 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1006 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x10000);
1007
1008 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1009 val32 &= 0x000000ff;
1010 val32 |= 0x80800000;
1011 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1012
1013 /* Turn Path B ADDA on */
1014 rtl8xxxu_path_adda_on(priv, adda_regs, false);
1015
1016 for (i = 0; i < retry; i++) {
1017 path_b_ok = rtl8xxxu_iqk_path_b(priv);
1018 if (path_b_ok == 0x03) {
1019 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
1020 result[t][4] = (val32 >> 16) & 0x3ff;
1021 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
1022 result[t][5] = (val32 >> 16) & 0x3ff;
1023 break;
1024 }
1025 }
1026
1027 if (!path_b_ok)
1028 dev_dbg(dev, "%s: Path B IQK failed!\n", __func__);
1029
1030 for (i = 0; i < retry; i++) {
1031 path_b_ok = rtl8723bu_rx_iqk_path_b(priv);
1032 if (path_a_ok == 0x03) {
1033 val32 = rtl8xxxu_read32(priv,
1034 REG_RX_POWER_BEFORE_IQK_B_2);
1035 result[t][6] = (val32 >> 16) & 0x3ff;
1036 val32 = rtl8xxxu_read32(priv,
1037 REG_RX_POWER_AFTER_IQK_B_2);
1038 result[t][7] = (val32 >> 16) & 0x3ff;
1039 break;
1040 }
1041 }
1042
1043 if (!path_b_ok)
1044 dev_dbg(dev, "%s: Path B RX IQK failed!\n", __func__);
1045 #endif
1046 }
1047
1048 /* Back to BB mode, load original value */
1049 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1050 val32 &= 0x000000ff;
1051 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1052
1053 if (t) {
1054 /* Reload ADDA power saving parameters */
1055 rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
1056 RTL8XXXU_ADDA_REGS);
1057
1058 /* Reload MAC parameters */
1059 rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
1060
1061 /* Reload BB parameters */
1062 rtl8xxxu_restore_regs(priv, iqk_bb_regs,
1063 priv->bb_backup, RTL8XXXU_BB_REGS);
1064
1065 /* Restore RX initial gain */
1066 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1);
1067 val32 &= 0xffffff00;
1068 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | 0x50);
1069 rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32 | xa_agc);
1070
1071 if (priv->tx_paths > 1) {
1072 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_AGC_CORE1);
1073 val32 &= 0xffffff00;
1074 rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1075 val32 | 0x50);
1076 rtl8xxxu_write32(priv, REG_OFDM0_XB_AGC_CORE1,
1077 val32 | xb_agc);
1078 }
1079
1080 /* Load 0xe30 IQC default value */
1081 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
1082 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
1083 }
1084 }
1085
rtl8723bu_phy_iq_calibrate(struct rtl8xxxu_priv * priv)1086 static void rtl8723bu_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
1087 {
1088 struct device *dev = &priv->udev->dev;
1089 int result[4][8]; /* last is final result */
1090 int i, candidate;
1091 bool path_a_ok, path_b_ok;
1092 u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
1093 u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
1094 u32 val32, bt_control;
1095 s32 reg_tmp = 0;
1096 bool simu;
1097
1098 rtl8xxxu_gen2_prepare_calibrate(priv, 1);
1099
1100 memset(result, 0, sizeof(result));
1101 candidate = -1;
1102
1103 path_a_ok = false;
1104 path_b_ok = false;
1105
1106 bt_control = rtl8xxxu_read32(priv, REG_BT_CONTROL_8723BU);
1107
1108 for (i = 0; i < 3; i++) {
1109 rtl8723bu_phy_iqcalibrate(priv, result, i);
1110
1111 if (i == 1) {
1112 simu = rtl8xxxu_gen2_simularity_compare(priv,
1113 result, 0, 1);
1114 if (simu) {
1115 candidate = 0;
1116 break;
1117 }
1118 }
1119
1120 if (i == 2) {
1121 simu = rtl8xxxu_gen2_simularity_compare(priv,
1122 result, 0, 2);
1123 if (simu) {
1124 candidate = 0;
1125 break;
1126 }
1127
1128 simu = rtl8xxxu_gen2_simularity_compare(priv,
1129 result, 1, 2);
1130 if (simu) {
1131 candidate = 1;
1132 } else {
1133 for (i = 0; i < 8; i++)
1134 reg_tmp += result[3][i];
1135
1136 if (reg_tmp)
1137 candidate = 3;
1138 else
1139 candidate = -1;
1140 }
1141 }
1142 }
1143
1144 for (i = 0; i < 4; i++) {
1145 reg_e94 = result[i][0];
1146 reg_e9c = result[i][1];
1147 reg_ea4 = result[i][2];
1148 reg_eac = result[i][3];
1149 reg_eb4 = result[i][4];
1150 reg_ebc = result[i][5];
1151 reg_ec4 = result[i][6];
1152 reg_ecc = result[i][7];
1153 }
1154
1155 if (candidate >= 0) {
1156 reg_e94 = result[candidate][0];
1157 priv->rege94 = reg_e94;
1158 reg_e9c = result[candidate][1];
1159 priv->rege9c = reg_e9c;
1160 reg_ea4 = result[candidate][2];
1161 reg_eac = result[candidate][3];
1162 reg_eb4 = result[candidate][4];
1163 priv->regeb4 = reg_eb4;
1164 reg_ebc = result[candidate][5];
1165 priv->regebc = reg_ebc;
1166 reg_ec4 = result[candidate][6];
1167 reg_ecc = result[candidate][7];
1168 dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
1169 dev_dbg(dev,
1170 "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n",
1171 __func__, reg_e94, reg_e9c,
1172 reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
1173 path_a_ok = true;
1174 path_b_ok = true;
1175 } else {
1176 reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
1177 reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
1178 }
1179
1180 if (reg_e94 && candidate >= 0)
1181 rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
1182 candidate, (reg_ea4 == 0));
1183
1184 if (priv->tx_paths > 1 && reg_eb4)
1185 rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result,
1186 candidate, (reg_ec4 == 0));
1187
1188 rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
1189 priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
1190
1191 rtl8xxxu_write32(priv, REG_BT_CONTROL_8723BU, bt_control);
1192
1193 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT);
1194 val32 |= 0x80000;
1195 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32);
1196 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x18000);
1197 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0001f);
1198 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xe6177);
1199 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED);
1200 val32 |= 0x20;
1201 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_ED, val32);
1202 rtl8xxxu_write_rfreg(priv, RF_A, 0x43, 0x300bd);
1203
1204 if (priv->rf_paths > 1)
1205 dev_dbg(dev, "%s: 8723BU 2T not supported\n", __func__);
1206
1207 rtl8xxxu_gen2_prepare_calibrate(priv, 0);
1208 }
1209
rtl8723bu_active_to_emu(struct rtl8xxxu_priv * priv)1210 static int rtl8723bu_active_to_emu(struct rtl8xxxu_priv *priv)
1211 {
1212 u8 val8;
1213 u16 val16;
1214 u32 val32;
1215 int count, ret = 0;
1216
1217 /* Turn off RF */
1218 rtl8xxxu_write8(priv, REG_RF_CTRL, 0);
1219
1220 /* Enable rising edge triggering interrupt */
1221 val16 = rtl8xxxu_read16(priv, REG_GPIO_INTM);
1222 val16 &= ~GPIO_INTM_EDGE_TRIG_IRQ;
1223 rtl8xxxu_write16(priv, REG_GPIO_INTM, val16);
1224
1225 /* Release WLON reset 0x04[16]= 1*/
1226 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1227 val32 |= APS_FSMCO_WLON_RESET;
1228 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1229
1230 /* 0x0005[1] = 1 turn off MAC by HW state machine*/
1231 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1232 val8 |= BIT(1);
1233 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1234
1235 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1236 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1237 if ((val8 & BIT(1)) == 0)
1238 break;
1239 udelay(10);
1240 }
1241
1242 if (!count) {
1243 dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n",
1244 __func__);
1245 ret = -EBUSY;
1246 goto exit;
1247 }
1248
1249 /* Enable BT control XTAL setting */
1250 val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
1251 val8 &= ~AFE_MISC_WL_XTAL_CTRL;
1252 rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
1253
1254 /* 0x0000[5] = 1 analog Ips to digital, 1:isolation */
1255 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
1256 val8 |= SYS_ISO_ANALOG_IPS;
1257 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
1258
1259 /* 0x0020[0] = 0 disable LDOA12 MACRO block*/
1260 val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
1261 val8 &= ~LDOA15_ENABLE;
1262 rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
1263
1264 exit:
1265 return ret;
1266 }
1267
rtl8723b_emu_to_active(struct rtl8xxxu_priv * priv)1268 static int rtl8723b_emu_to_active(struct rtl8xxxu_priv *priv)
1269 {
1270 u8 val8;
1271 u32 val32;
1272 int count, ret = 0;
1273
1274 /* 0x20[0] = 1 enable LDOA12 MACRO block for all interface */
1275 val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
1276 val8 |= LDOA15_ENABLE;
1277 rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
1278
1279 /* 0x67[0] = 0 to disable BT_GPS_SEL pins*/
1280 val8 = rtl8xxxu_read8(priv, 0x0067);
1281 val8 &= ~BIT(4);
1282 rtl8xxxu_write8(priv, 0x0067, val8);
1283
1284 mdelay(1);
1285
1286 /* 0x00[5] = 0 release analog Ips to digital, 1:isolation */
1287 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
1288 val8 &= ~SYS_ISO_ANALOG_IPS;
1289 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
1290
1291 /* Disable SW LPS 0x04[10]= 0 */
1292 val32 = rtl8xxxu_read8(priv, REG_APS_FSMCO);
1293 val32 &= ~APS_FSMCO_SW_LPS;
1294 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1295
1296 /* Wait until 0x04[17] = 1 power ready */
1297 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1298 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1299 if (val32 & BIT(17))
1300 break;
1301
1302 udelay(10);
1303 }
1304
1305 if (!count) {
1306 ret = -EBUSY;
1307 goto exit;
1308 }
1309
1310 /* We should be able to optimize the following three entries into one */
1311
1312 /* Release WLON reset 0x04[16]= 1*/
1313 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1314 val32 |= APS_FSMCO_WLON_RESET;
1315 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1316
1317 /* Disable HWPDN 0x04[15]= 0*/
1318 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1319 val32 &= ~APS_FSMCO_HW_POWERDOWN;
1320 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1321
1322 /* Disable WL suspend*/
1323 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1324 val32 &= ~(APS_FSMCO_HW_SUSPEND | APS_FSMCO_PCIE);
1325 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1326
1327 /* Set, then poll until 0 */
1328 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1329 val32 |= APS_FSMCO_MAC_ENABLE;
1330 rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
1331
1332 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
1333 val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
1334 if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
1335 ret = 0;
1336 break;
1337 }
1338 udelay(10);
1339 }
1340
1341 if (!count) {
1342 ret = -EBUSY;
1343 goto exit;
1344 }
1345
1346 /* Enable WL control XTAL setting */
1347 val8 = rtl8xxxu_read8(priv, REG_AFE_MISC);
1348 val8 |= AFE_MISC_WL_XTAL_CTRL;
1349 rtl8xxxu_write8(priv, REG_AFE_MISC, val8);
1350
1351 /* Enable falling edge triggering interrupt */
1352 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 1);
1353 val8 |= BIT(1);
1354 rtl8xxxu_write8(priv, REG_GPIO_INTM + 1, val8);
1355
1356 /* Enable GPIO9 interrupt mode */
1357 val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2 + 1);
1358 val8 |= BIT(1);
1359 rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2 + 1, val8);
1360
1361 /* Enable GPIO9 input mode */
1362 val8 = rtl8xxxu_read8(priv, REG_GPIO_IO_SEL_2);
1363 val8 &= ~BIT(1);
1364 rtl8xxxu_write8(priv, REG_GPIO_IO_SEL_2, val8);
1365
1366 /* Enable HSISR GPIO[C:0] interrupt */
1367 val8 = rtl8xxxu_read8(priv, REG_HSIMR);
1368 val8 |= BIT(0);
1369 rtl8xxxu_write8(priv, REG_HSIMR, val8);
1370
1371 /* Enable HSISR GPIO9 interrupt */
1372 val8 = rtl8xxxu_read8(priv, REG_HSIMR + 2);
1373 val8 |= BIT(1);
1374 rtl8xxxu_write8(priv, REG_HSIMR + 2, val8);
1375
1376 val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL);
1377 val8 |= MULTI_WIFI_HW_ROF_EN;
1378 rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL, val8);
1379
1380 /* For GPIO9 internal pull high setting BIT(14) */
1381 val8 = rtl8xxxu_read8(priv, REG_MULTI_FUNC_CTRL + 1);
1382 val8 |= BIT(6);
1383 rtl8xxxu_write8(priv, REG_MULTI_FUNC_CTRL + 1, val8);
1384
1385 exit:
1386 return ret;
1387 }
1388
rtl8723bu_power_on(struct rtl8xxxu_priv * priv)1389 static int rtl8723bu_power_on(struct rtl8xxxu_priv *priv)
1390 {
1391 u8 val8;
1392 u16 val16;
1393 u32 val32;
1394 int ret;
1395
1396 rtl8xxxu_disabled_to_emu(priv);
1397
1398 ret = rtl8723b_emu_to_active(priv);
1399 if (ret)
1400 goto exit;
1401
1402 /*
1403 * Enable MAC DMA/WMAC/SCHEDULE/SEC block
1404 * Set CR bit10 to enable 32k calibration.
1405 */
1406 val16 = rtl8xxxu_read16(priv, REG_CR);
1407 val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
1408 CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
1409 CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
1410 CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
1411 CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
1412 rtl8xxxu_write16(priv, REG_CR, val16);
1413
1414 /*
1415 * BT coexist power on settings. This is identical for 1 and 2
1416 * antenna parts.
1417 */
1418 rtl8xxxu_write8(priv, REG_PAD_CTRL1 + 3, 0x20);
1419
1420 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1421 val16 |= SYS_FUNC_BBRSTB | SYS_FUNC_BB_GLB_RSTN;
1422 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1423
1424 rtl8xxxu_write8(priv, REG_BT_CONTROL_8723BU + 1, 0x18);
1425 rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x04);
1426 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x00);
1427 /* Antenna inverse */
1428 rtl8xxxu_write8(priv, 0xfe08, 0x01);
1429
1430 val16 = rtl8xxxu_read16(priv, REG_PWR_DATA);
1431 val16 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1432 rtl8xxxu_write16(priv, REG_PWR_DATA, val16);
1433
1434 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1435 val32 |= LEDCFG0_DPDT_SELECT;
1436 rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1437
1438 val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1439 val8 &= ~PAD_CTRL1_SW_DPDT_SEL_DATA;
1440 rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1441 exit:
1442 return ret;
1443 }
1444
rtl8723bu_power_off(struct rtl8xxxu_priv * priv)1445 static void rtl8723bu_power_off(struct rtl8xxxu_priv *priv)
1446 {
1447 u8 val8;
1448 u16 val16;
1449
1450 rtl8xxxu_flush_fifo(priv);
1451
1452 /*
1453 * Disable TX report timer
1454 */
1455 val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
1456 val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE;
1457 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
1458
1459 rtl8xxxu_write8(priv, REG_CR, 0x0000);
1460
1461 rtl8xxxu_active_to_lps(priv);
1462
1463 /* Reset Firmware if running in RAM */
1464 if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL)
1465 rtl8xxxu_firmware_self_reset(priv);
1466
1467 /* Reset MCU */
1468 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1469 val16 &= ~SYS_FUNC_CPU_ENABLE;
1470 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1471
1472 /* Reset MCU ready status */
1473 rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00);
1474
1475 rtl8723bu_active_to_emu(priv);
1476
1477 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
1478 val8 |= BIT(3); /* APS_FSMCO_HW_SUSPEND */
1479 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
1480
1481 /* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */
1482 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2);
1483 val8 |= BIT(0);
1484 rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8);
1485 }
1486
rtl8723b_enable_rf(struct rtl8xxxu_priv * priv)1487 static void rtl8723b_enable_rf(struct rtl8xxxu_priv *priv)
1488 {
1489 struct h2c_cmd h2c;
1490 u32 val32;
1491 u8 val8;
1492
1493 val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA);
1494 val32 |= (BIT(22) | BIT(23));
1495 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32);
1496
1497 /*
1498 * No indication anywhere as to what 0x0790 does. The 2 antenna
1499 * vendor code preserves bits 6-7 here.
1500 */
1501 rtl8xxxu_write8(priv, 0x0790, 0x05);
1502 /*
1503 * 0x0778 seems to be related to enabling the number of antennas
1504 * In the vendor driver halbtc8723b2ant_InitHwConfig() sets it
1505 * to 0x03, while halbtc8723b1ant_InitHwConfig() sets it to 0x01
1506 */
1507 rtl8xxxu_write8(priv, 0x0778, 0x01);
1508
1509 val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
1510 val8 |= BIT(5);
1511 rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
1512
1513 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_IQADJ_G1, 0x780);
1514
1515 rtl8723bu_write_btreg(priv, 0x3c, 0x15); /* BT TRx Mask on */
1516
1517 /*
1518 * Set BT grant to low
1519 */
1520 memset(&h2c, 0, sizeof(struct h2c_cmd));
1521 h2c.bt_grant.cmd = H2C_8723B_BT_GRANT;
1522 h2c.bt_grant.data = 0;
1523 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_grant));
1524
1525 /*
1526 * WLAN action by PTA
1527 */
1528 rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x0c);
1529
1530 /*
1531 * BT select S0/S1 controlled by WiFi
1532 */
1533 val8 = rtl8xxxu_read8(priv, 0x0067);
1534 val8 |= BIT(5);
1535 rtl8xxxu_write8(priv, 0x0067, val8);
1536
1537 val32 = rtl8xxxu_read32(priv, REG_PWR_DATA);
1538 val32 |= PWR_DATA_EEPRPAD_RFE_CTRL_EN;
1539 rtl8xxxu_write32(priv, REG_PWR_DATA, val32);
1540
1541 /*
1542 * Bits 6/7 are marked in/out ... but for what?
1543 */
1544 rtl8xxxu_write8(priv, 0x0974, 0xff);
1545
1546 val32 = rtl8xxxu_read32(priv, REG_RFE_BUFFER);
1547 val32 |= (BIT(0) | BIT(1));
1548 rtl8xxxu_write32(priv, REG_RFE_BUFFER, val32);
1549
1550 rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77);
1551
1552 val32 = rtl8xxxu_read32(priv, REG_LEDCFG0);
1553 val32 &= ~BIT(24);
1554 val32 |= BIT(23);
1555 rtl8xxxu_write32(priv, REG_LEDCFG0, val32);
1556
1557 /*
1558 * Fix external switch Main->S1, Aux->S0
1559 */
1560 val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1);
1561 val8 &= ~BIT(0);
1562 rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8);
1563
1564 memset(&h2c, 0, sizeof(struct h2c_cmd));
1565 h2c.ant_sel_rsv.cmd = H2C_8723B_ANT_SEL_RSV;
1566 h2c.ant_sel_rsv.ant_inverse = 1;
1567 h2c.ant_sel_rsv.int_switch_type = 0;
1568 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ant_sel_rsv));
1569
1570 /*
1571 * Different settings per different antenna position.
1572 * Antenna Position: | Normal Inverse
1573 * --------------------------------------------------
1574 * Antenna switch to BT: | 0x280, 0x00
1575 * Antenna switch to WiFi: | 0x0, 0x280
1576 * Antenna switch to PTA: | 0x200, 0x80
1577 */
1578 rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x80);
1579
1580 /*
1581 * Software control, antenna at WiFi side
1582 */
1583 rtl8723bu_set_ps_tdma(priv, 0x08, 0x00, 0x00, 0x00, 0x00);
1584
1585 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555);
1586 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555);
1587 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
1588 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
1589
1590 memset(&h2c, 0, sizeof(struct h2c_cmd));
1591 h2c.bt_info.cmd = H2C_8723B_BT_INFO;
1592 h2c.bt_info.data = BIT(0);
1593 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_info));
1594
1595 memset(&h2c, 0, sizeof(struct h2c_cmd));
1596 h2c.ignore_wlan.cmd = H2C_8723B_BT_IGNORE_WLANACT;
1597 h2c.ignore_wlan.data = 0;
1598 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.ignore_wlan));
1599 }
1600
rtl8723bu_init_aggregation(struct rtl8xxxu_priv * priv)1601 static void rtl8723bu_init_aggregation(struct rtl8xxxu_priv *priv)
1602 {
1603 u32 agg_rx;
1604 u8 agg_ctrl;
1605
1606 /*
1607 * For now simply disable RX aggregation
1608 */
1609 agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL);
1610 agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN;
1611
1612 agg_rx = rtl8xxxu_read32(priv, REG_RXDMA_AGG_PG_TH);
1613 agg_rx &= ~RXDMA_USB_AGG_ENABLE;
1614 agg_rx &= ~0xff0f;
1615
1616 rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
1617 rtl8xxxu_write32(priv, REG_RXDMA_AGG_PG_TH, agg_rx);
1618 }
1619
rtl8723bu_init_statistics(struct rtl8xxxu_priv * priv)1620 static void rtl8723bu_init_statistics(struct rtl8xxxu_priv *priv)
1621 {
1622 u32 val32;
1623
1624 /* Time duration for NHM unit: 4us, 0x2710=40ms */
1625 rtl8xxxu_write16(priv, REG_NHM_TIMER_8723B + 2, 0x2710);
1626 rtl8xxxu_write16(priv, REG_NHM_TH9_TH10_8723B + 2, 0xffff);
1627 rtl8xxxu_write32(priv, REG_NHM_TH3_TO_TH0_8723B, 0xffffff52);
1628 rtl8xxxu_write32(priv, REG_NHM_TH7_TO_TH4_8723B, 0xffffffff);
1629 /* TH8 */
1630 val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK);
1631 val32 |= 0xff;
1632 rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32);
1633 /* Enable CCK */
1634 val32 = rtl8xxxu_read32(priv, REG_NHM_TH9_TH10_8723B);
1635 val32 |= BIT(8) | BIT(9) | BIT(10);
1636 rtl8xxxu_write32(priv, REG_NHM_TH9_TH10_8723B, val32);
1637 /* Max power amongst all RX antennas */
1638 val32 = rtl8xxxu_read32(priv, REG_OFDM0_FA_RSTC);
1639 val32 |= BIT(7);
1640 rtl8xxxu_write32(priv, REG_OFDM0_FA_RSTC, val32);
1641 }
1642
1643 struct rtl8xxxu_fileops rtl8723bu_fops = {
1644 .parse_efuse = rtl8723bu_parse_efuse,
1645 .load_firmware = rtl8723bu_load_firmware,
1646 .power_on = rtl8723bu_power_on,
1647 .power_off = rtl8723bu_power_off,
1648 .reset_8051 = rtl8723bu_reset_8051,
1649 .llt_init = rtl8xxxu_auto_llt_table,
1650 .init_phy_bb = rtl8723bu_init_phy_bb,
1651 .init_phy_rf = rtl8723bu_init_phy_rf,
1652 .phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection,
1653 .phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
1654 .config_channel = rtl8xxxu_gen2_config_channel,
1655 .parse_rx_desc = rtl8xxxu_parse_rxdesc24,
1656 .init_aggregation = rtl8723bu_init_aggregation,
1657 .init_statistics = rtl8723bu_init_statistics,
1658 .enable_rf = rtl8723b_enable_rf,
1659 .disable_rf = rtl8xxxu_gen2_disable_rf,
1660 .usb_quirks = rtl8xxxu_gen2_usb_quirks,
1661 .set_tx_power = rtl8723b_set_tx_power,
1662 .update_rate_mask = rtl8xxxu_gen2_update_rate_mask,
1663 .report_connect = rtl8xxxu_gen2_report_connect,
1664 .fill_txdesc = rtl8xxxu_fill_txdesc_v2,
1665 .writeN_block_size = 1024,
1666 .tx_desc_size = sizeof(struct rtl8xxxu_txdesc40),
1667 .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24),
1668 .has_s0s1 = 1,
1669 .has_tx_report = 1,
1670 .gen2_thermal_meter = 1,
1671 .needs_full_init = 1,
1672 .adda_1t_init = 0x01c00014,
1673 .adda_1t_path_on = 0x01c00014,
1674 .adda_2t_path_on_a = 0x01c00014,
1675 .adda_2t_path_on_b = 0x01c00014,
1676 .trxff_boundary = 0x3f7f,
1677 .pbp_rx = PBP_PAGE_SIZE_256,
1678 .pbp_tx = PBP_PAGE_SIZE_256,
1679 .mactable = rtl8723b_mac_init_table,
1680 .total_page_num = TX_TOTAL_PAGE_NUM_8723B,
1681 .page_num_hi = TX_PAGE_NUM_HI_PQ_8723B,
1682 .page_num_lo = TX_PAGE_NUM_LO_PQ_8723B,
1683 .page_num_norm = TX_PAGE_NUM_NORM_PQ_8723B,
1684 };
1685