1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * RTL8XXXU mac80211 USB driver
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/firmware.h>
17 #include <linux/iopoll.h>
18 #include "regs.h"
19 #include "rtl8xxxu.h"
20
21 #define DRIVER_NAME "rtl8xxxu"
22
23 int rtl8xxxu_debug;
24 static bool rtl8xxxu_dma_aggregation;
25 static int rtl8xxxu_dma_agg_timeout = -1;
26 static int rtl8xxxu_dma_agg_pages = -1;
27
28 MODULE_AUTHOR("Jes Sorensen <Jes.Sorensen@gmail.com>");
29 MODULE_DESCRIPTION("RTL8XXXu USB mac80211 Wireless LAN Driver");
30 MODULE_LICENSE("GPL");
31 MODULE_FIRMWARE("rtlwifi/rtl8723aufw_A.bin");
32 MODULE_FIRMWARE("rtlwifi/rtl8723aufw_B.bin");
33 MODULE_FIRMWARE("rtlwifi/rtl8723aufw_B_NoBT.bin");
34 MODULE_FIRMWARE("rtlwifi/rtl8188eufw.bin");
35 MODULE_FIRMWARE("rtlwifi/rtl8192cufw_A.bin");
36 MODULE_FIRMWARE("rtlwifi/rtl8192cufw_B.bin");
37 MODULE_FIRMWARE("rtlwifi/rtl8192cufw_TMSC.bin");
38 MODULE_FIRMWARE("rtlwifi/rtl8192eu_nic.bin");
39 MODULE_FIRMWARE("rtlwifi/rtl8723bu_nic.bin");
40 MODULE_FIRMWARE("rtlwifi/rtl8188fufw.bin");
41 MODULE_FIRMWARE("rtlwifi/rtl8710bufw_SMIC.bin");
42 MODULE_FIRMWARE("rtlwifi/rtl8710bufw_UMC.bin");
43 MODULE_FIRMWARE("rtlwifi/rtl8192fufw.bin");
44
45 module_param_named(debug, rtl8xxxu_debug, int, 0600);
46 MODULE_PARM_DESC(debug, "Set debug mask");
47 module_param_named(dma_aggregation, rtl8xxxu_dma_aggregation, bool, 0600);
48 MODULE_PARM_DESC(dma_aggregation, "Enable DMA packet aggregation");
49 module_param_named(dma_agg_timeout, rtl8xxxu_dma_agg_timeout, int, 0600);
50 MODULE_PARM_DESC(dma_agg_timeout, "Set DMA aggregation timeout (range 1-127)");
51 module_param_named(dma_agg_pages, rtl8xxxu_dma_agg_pages, int, 0600);
52 MODULE_PARM_DESC(dma_agg_pages, "Set DMA aggregation pages (range 1-127, 0 to disable)");
53
54 #define USB_VENDOR_ID_REALTEK 0x0bda
55 #define RTL8XXXU_RX_URBS 32
56 #define RTL8XXXU_RX_URB_PENDING_WATER 8
57 #define RTL8XXXU_TX_URBS 64
58 #define RTL8XXXU_TX_URB_LOW_WATER 25
59 #define RTL8XXXU_TX_URB_HIGH_WATER 32
60
61 static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv,
62 struct rtl8xxxu_rx_urb *rx_urb);
63
64 static struct ieee80211_rate rtl8xxxu_rates[] = {
65 { .bitrate = 10, .hw_value = DESC_RATE_1M, .flags = 0 },
66 { .bitrate = 20, .hw_value = DESC_RATE_2M, .flags = 0 },
67 { .bitrate = 55, .hw_value = DESC_RATE_5_5M, .flags = 0 },
68 { .bitrate = 110, .hw_value = DESC_RATE_11M, .flags = 0 },
69 { .bitrate = 60, .hw_value = DESC_RATE_6M, .flags = 0 },
70 { .bitrate = 90, .hw_value = DESC_RATE_9M, .flags = 0 },
71 { .bitrate = 120, .hw_value = DESC_RATE_12M, .flags = 0 },
72 { .bitrate = 180, .hw_value = DESC_RATE_18M, .flags = 0 },
73 { .bitrate = 240, .hw_value = DESC_RATE_24M, .flags = 0 },
74 { .bitrate = 360, .hw_value = DESC_RATE_36M, .flags = 0 },
75 { .bitrate = 480, .hw_value = DESC_RATE_48M, .flags = 0 },
76 { .bitrate = 540, .hw_value = DESC_RATE_54M, .flags = 0 },
77 };
78
79 static struct ieee80211_channel rtl8xxxu_channels_2g[] = {
80 { .band = NL80211_BAND_2GHZ, .center_freq = 2412,
81 .hw_value = 1, .max_power = 30 },
82 { .band = NL80211_BAND_2GHZ, .center_freq = 2417,
83 .hw_value = 2, .max_power = 30 },
84 { .band = NL80211_BAND_2GHZ, .center_freq = 2422,
85 .hw_value = 3, .max_power = 30 },
86 { .band = NL80211_BAND_2GHZ, .center_freq = 2427,
87 .hw_value = 4, .max_power = 30 },
88 { .band = NL80211_BAND_2GHZ, .center_freq = 2432,
89 .hw_value = 5, .max_power = 30 },
90 { .band = NL80211_BAND_2GHZ, .center_freq = 2437,
91 .hw_value = 6, .max_power = 30 },
92 { .band = NL80211_BAND_2GHZ, .center_freq = 2442,
93 .hw_value = 7, .max_power = 30 },
94 { .band = NL80211_BAND_2GHZ, .center_freq = 2447,
95 .hw_value = 8, .max_power = 30 },
96 { .band = NL80211_BAND_2GHZ, .center_freq = 2452,
97 .hw_value = 9, .max_power = 30 },
98 { .band = NL80211_BAND_2GHZ, .center_freq = 2457,
99 .hw_value = 10, .max_power = 30 },
100 { .band = NL80211_BAND_2GHZ, .center_freq = 2462,
101 .hw_value = 11, .max_power = 30 },
102 { .band = NL80211_BAND_2GHZ, .center_freq = 2467,
103 .hw_value = 12, .max_power = 30 },
104 { .band = NL80211_BAND_2GHZ, .center_freq = 2472,
105 .hw_value = 13, .max_power = 30 },
106 { .band = NL80211_BAND_2GHZ, .center_freq = 2484,
107 .hw_value = 14, .max_power = 30 }
108 };
109
110 static struct ieee80211_supported_band rtl8xxxu_supported_band = {
111 .channels = rtl8xxxu_channels_2g,
112 .n_channels = ARRAY_SIZE(rtl8xxxu_channels_2g),
113 .bitrates = rtl8xxxu_rates,
114 .n_bitrates = ARRAY_SIZE(rtl8xxxu_rates),
115 };
116
117 static const struct rtl8xxxu_reg32val rtl8723a_phy_1t_init_table[] = {
118 {0x800, 0x80040000}, {0x804, 0x00000003},
119 {0x808, 0x0000fc00}, {0x80c, 0x0000000a},
120 {0x810, 0x10001331}, {0x814, 0x020c3d10},
121 {0x818, 0x02200385}, {0x81c, 0x00000000},
122 {0x820, 0x01000100}, {0x824, 0x00390004},
123 {0x828, 0x00000000}, {0x82c, 0x00000000},
124 {0x830, 0x00000000}, {0x834, 0x00000000},
125 {0x838, 0x00000000}, {0x83c, 0x00000000},
126 {0x840, 0x00010000}, {0x844, 0x00000000},
127 {0x848, 0x00000000}, {0x84c, 0x00000000},
128 {0x850, 0x00000000}, {0x854, 0x00000000},
129 {0x858, 0x569a569a}, {0x85c, 0x001b25a4},
130 {0x860, 0x66f60110}, {0x864, 0x061f0130},
131 {0x868, 0x00000000}, {0x86c, 0x32323200},
132 {0x870, 0x07000760}, {0x874, 0x22004000},
133 {0x878, 0x00000808}, {0x87c, 0x00000000},
134 {0x880, 0xc0083070}, {0x884, 0x000004d5},
135 {0x888, 0x00000000}, {0x88c, 0xccc000c0},
136 {0x890, 0x00000800}, {0x894, 0xfffffffe},
137 {0x898, 0x40302010}, {0x89c, 0x00706050},
138 {0x900, 0x00000000}, {0x904, 0x00000023},
139 {0x908, 0x00000000}, {0x90c, 0x81121111},
140 {0xa00, 0x00d047c8}, {0xa04, 0x80ff000c},
141 {0xa08, 0x8c838300}, {0xa0c, 0x2e68120f},
142 {0xa10, 0x9500bb78}, {0xa14, 0x11144028},
143 {0xa18, 0x00881117}, {0xa1c, 0x89140f00},
144 {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317},
145 {0xa28, 0x00000204}, {0xa2c, 0x00d30000},
146 {0xa70, 0x101fbf00}, {0xa74, 0x00000007},
147 {0xa78, 0x00000900},
148 {0xc00, 0x48071d40}, {0xc04, 0x03a05611},
149 {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c},
150 {0xc10, 0x08800000}, {0xc14, 0x40000100},
151 {0xc18, 0x08800000}, {0xc1c, 0x40000100},
152 {0xc20, 0x00000000}, {0xc24, 0x00000000},
153 {0xc28, 0x00000000}, {0xc2c, 0x00000000},
154 {0xc30, 0x69e9ac44}, {0xc34, 0x469652af},
155 {0xc38, 0x49795994}, {0xc3c, 0x0a97971c},
156 {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7},
157 {0xc48, 0xec020107}, {0xc4c, 0x007f037f},
158 {0xc50, 0x69543420}, {0xc54, 0x43bc0094},
159 {0xc58, 0x69543420}, {0xc5c, 0x433c0094},
160 {0xc60, 0x00000000}, {0xc64, 0x7112848b},
161 {0xc68, 0x47c00bff}, {0xc6c, 0x00000036},
162 {0xc70, 0x2c7f000d}, {0xc74, 0x018610db},
163 {0xc78, 0x0000001f}, {0xc7c, 0x00b91612},
164 {0xc80, 0x40000100}, {0xc84, 0x20f60000},
165 {0xc88, 0x40000100}, {0xc8c, 0x20200000},
166 {0xc90, 0x00121820}, {0xc94, 0x00000000},
167 {0xc98, 0x00121820}, {0xc9c, 0x00007f7f},
168 {0xca0, 0x00000000}, {0xca4, 0x00000080},
169 {0xca8, 0x00000000}, {0xcac, 0x00000000},
170 {0xcb0, 0x00000000}, {0xcb4, 0x00000000},
171 {0xcb8, 0x00000000}, {0xcbc, 0x28000000},
172 {0xcc0, 0x00000000}, {0xcc4, 0x00000000},
173 {0xcc8, 0x00000000}, {0xccc, 0x00000000},
174 {0xcd0, 0x00000000}, {0xcd4, 0x00000000},
175 {0xcd8, 0x64b22427}, {0xcdc, 0x00766932},
176 {0xce0, 0x00222222}, {0xce4, 0x00000000},
177 {0xce8, 0x37644302}, {0xcec, 0x2f97d40c},
178 {0xd00, 0x00080740}, {0xd04, 0x00020401},
179 {0xd08, 0x0000907f}, {0xd0c, 0x20010201},
180 {0xd10, 0xa0633333}, {0xd14, 0x3333bc43},
181 {0xd18, 0x7a8f5b6b}, {0xd2c, 0xcc979975},
182 {0xd30, 0x00000000}, {0xd34, 0x80608000},
183 {0xd38, 0x00000000}, {0xd3c, 0x00027293},
184 {0xd40, 0x00000000}, {0xd44, 0x00000000},
185 {0xd48, 0x00000000}, {0xd4c, 0x00000000},
186 {0xd50, 0x6437140a}, {0xd54, 0x00000000},
187 {0xd58, 0x00000000}, {0xd5c, 0x30032064},
188 {0xd60, 0x4653de68}, {0xd64, 0x04518a3c},
189 {0xd68, 0x00002101}, {0xd6c, 0x2a201c16},
190 {0xd70, 0x1812362e}, {0xd74, 0x322c2220},
191 {0xd78, 0x000e3c24}, {0xe00, 0x2a2a2a2a},
192 {0xe04, 0x2a2a2a2a}, {0xe08, 0x03902a2a},
193 {0xe10, 0x2a2a2a2a}, {0xe14, 0x2a2a2a2a},
194 {0xe18, 0x2a2a2a2a}, {0xe1c, 0x2a2a2a2a},
195 {0xe28, 0x00000000}, {0xe30, 0x1000dc1f},
196 {0xe34, 0x10008c1f}, {0xe38, 0x02140102},
197 {0xe3c, 0x681604c2}, {0xe40, 0x01007c00},
198 {0xe44, 0x01004800}, {0xe48, 0xfb000000},
199 {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f},
200 {0xe54, 0x10008c1f}, {0xe58, 0x02140102},
201 {0xe5c, 0x28160d05}, {0xe60, 0x00000008},
202 {0xe68, 0x001b25a4}, {0xe6c, 0x631b25a0},
203 {0xe70, 0x631b25a0}, {0xe74, 0x081b25a0},
204 {0xe78, 0x081b25a0}, {0xe7c, 0x081b25a0},
205 {0xe80, 0x081b25a0}, {0xe84, 0x631b25a0},
206 {0xe88, 0x081b25a0}, {0xe8c, 0x631b25a0},
207 {0xed0, 0x631b25a0}, {0xed4, 0x631b25a0},
208 {0xed8, 0x631b25a0}, {0xedc, 0x001b25a0},
209 {0xee0, 0x001b25a0}, {0xeec, 0x6b1b25a0},
210 {0xf14, 0x00000003}, {0xf4c, 0x00000000},
211 {0xf00, 0x00000300},
212 {0xffff, 0xffffffff},
213 };
214
215 static const struct rtl8xxxu_reg32val rtl8192cu_phy_2t_init_table[] = {
216 {0x024, 0x0011800f}, {0x028, 0x00ffdb83},
217 {0x800, 0x80040002}, {0x804, 0x00000003},
218 {0x808, 0x0000fc00}, {0x80c, 0x0000000a},
219 {0x810, 0x10000330}, {0x814, 0x020c3d10},
220 {0x818, 0x02200385}, {0x81c, 0x00000000},
221 {0x820, 0x01000100}, {0x824, 0x00390004},
222 {0x828, 0x01000100}, {0x82c, 0x00390004},
223 {0x830, 0x27272727}, {0x834, 0x27272727},
224 {0x838, 0x27272727}, {0x83c, 0x27272727},
225 {0x840, 0x00010000}, {0x844, 0x00010000},
226 {0x848, 0x27272727}, {0x84c, 0x27272727},
227 {0x850, 0x00000000}, {0x854, 0x00000000},
228 {0x858, 0x569a569a}, {0x85c, 0x0c1b25a4},
229 {0x860, 0x66e60230}, {0x864, 0x061f0130},
230 {0x868, 0x27272727}, {0x86c, 0x2b2b2b27},
231 {0x870, 0x07000700}, {0x874, 0x22184000},
232 {0x878, 0x08080808}, {0x87c, 0x00000000},
233 {0x880, 0xc0083070}, {0x884, 0x000004d5},
234 {0x888, 0x00000000}, {0x88c, 0xcc0000c0},
235 {0x890, 0x00000800}, {0x894, 0xfffffffe},
236 {0x898, 0x40302010}, {0x89c, 0x00706050},
237 {0x900, 0x00000000}, {0x904, 0x00000023},
238 {0x908, 0x00000000}, {0x90c, 0x81121313},
239 {0xa00, 0x00d047c8}, {0xa04, 0x80ff000c},
240 {0xa08, 0x8c838300}, {0xa0c, 0x2e68120f},
241 {0xa10, 0x9500bb78}, {0xa14, 0x11144028},
242 {0xa18, 0x00881117}, {0xa1c, 0x89140f00},
243 {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317},
244 {0xa28, 0x00000204}, {0xa2c, 0x00d30000},
245 {0xa70, 0x101fbf00}, {0xa74, 0x00000007},
246 {0xc00, 0x48071d40}, {0xc04, 0x03a05633},
247 {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c},
248 {0xc10, 0x08800000}, {0xc14, 0x40000100},
249 {0xc18, 0x08800000}, {0xc1c, 0x40000100},
250 {0xc20, 0x00000000}, {0xc24, 0x00000000},
251 {0xc28, 0x00000000}, {0xc2c, 0x00000000},
252 {0xc30, 0x69e9ac44}, {0xc34, 0x469652cf},
253 {0xc38, 0x49795994}, {0xc3c, 0x0a97971c},
254 {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7},
255 {0xc48, 0xec020107}, {0xc4c, 0x007f037f},
256 {0xc50, 0x69543420}, {0xc54, 0x43bc0094},
257 {0xc58, 0x69543420}, {0xc5c, 0x433c0094},
258 {0xc60, 0x00000000}, {0xc64, 0x5116848b},
259 {0xc68, 0x47c00bff}, {0xc6c, 0x00000036},
260 {0xc70, 0x2c7f000d}, {0xc74, 0x2186115b},
261 {0xc78, 0x0000001f}, {0xc7c, 0x00b99612},
262 {0xc80, 0x40000100}, {0xc84, 0x20f60000},
263 {0xc88, 0x40000100}, {0xc8c, 0xa0e40000},
264 {0xc90, 0x00121820}, {0xc94, 0x00000000},
265 {0xc98, 0x00121820}, {0xc9c, 0x00007f7f},
266 {0xca0, 0x00000000}, {0xca4, 0x00000080},
267 {0xca8, 0x00000000}, {0xcac, 0x00000000},
268 {0xcb0, 0x00000000}, {0xcb4, 0x00000000},
269 {0xcb8, 0x00000000}, {0xcbc, 0x28000000},
270 {0xcc0, 0x00000000}, {0xcc4, 0x00000000},
271 {0xcc8, 0x00000000}, {0xccc, 0x00000000},
272 {0xcd0, 0x00000000}, {0xcd4, 0x00000000},
273 {0xcd8, 0x64b22427}, {0xcdc, 0x00766932},
274 {0xce0, 0x00222222}, {0xce4, 0x00000000},
275 {0xce8, 0x37644302}, {0xcec, 0x2f97d40c},
276 {0xd00, 0x00080740}, {0xd04, 0x00020403},
277 {0xd08, 0x0000907f}, {0xd0c, 0x20010201},
278 {0xd10, 0xa0633333}, {0xd14, 0x3333bc43},
279 {0xd18, 0x7a8f5b6b}, {0xd2c, 0xcc979975},
280 {0xd30, 0x00000000}, {0xd34, 0x80608000},
281 {0xd38, 0x00000000}, {0xd3c, 0x00027293},
282 {0xd40, 0x00000000}, {0xd44, 0x00000000},
283 {0xd48, 0x00000000}, {0xd4c, 0x00000000},
284 {0xd50, 0x6437140a}, {0xd54, 0x00000000},
285 {0xd58, 0x00000000}, {0xd5c, 0x30032064},
286 {0xd60, 0x4653de68}, {0xd64, 0x04518a3c},
287 {0xd68, 0x00002101}, {0xd6c, 0x2a201c16},
288 {0xd70, 0x1812362e}, {0xd74, 0x322c2220},
289 {0xd78, 0x000e3c24}, {0xe00, 0x2a2a2a2a},
290 {0xe04, 0x2a2a2a2a}, {0xe08, 0x03902a2a},
291 {0xe10, 0x2a2a2a2a}, {0xe14, 0x2a2a2a2a},
292 {0xe18, 0x2a2a2a2a}, {0xe1c, 0x2a2a2a2a},
293 {0xe28, 0x00000000}, {0xe30, 0x1000dc1f},
294 {0xe34, 0x10008c1f}, {0xe38, 0x02140102},
295 {0xe3c, 0x681604c2}, {0xe40, 0x01007c00},
296 {0xe44, 0x01004800}, {0xe48, 0xfb000000},
297 {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f},
298 {0xe54, 0x10008c1f}, {0xe58, 0x02140102},
299 {0xe5c, 0x28160d05}, {0xe60, 0x00000010},
300 {0xe68, 0x001b25a4}, {0xe6c, 0x63db25a4},
301 {0xe70, 0x63db25a4}, {0xe74, 0x0c1b25a4},
302 {0xe78, 0x0c1b25a4}, {0xe7c, 0x0c1b25a4},
303 {0xe80, 0x0c1b25a4}, {0xe84, 0x63db25a4},
304 {0xe88, 0x0c1b25a4}, {0xe8c, 0x63db25a4},
305 {0xed0, 0x63db25a4}, {0xed4, 0x63db25a4},
306 {0xed8, 0x63db25a4}, {0xedc, 0x001b25a4},
307 {0xee0, 0x001b25a4}, {0xeec, 0x6fdb25a4},
308 {0xf14, 0x00000003}, {0xf4c, 0x00000000},
309 {0xf00, 0x00000300},
310 {0xffff, 0xffffffff},
311 };
312
313 static const struct rtl8xxxu_reg32val rtl8188ru_phy_1t_highpa_table[] = {
314 {0x024, 0x0011800f}, {0x028, 0x00ffdb83},
315 {0x040, 0x000c0004}, {0x800, 0x80040000},
316 {0x804, 0x00000001}, {0x808, 0x0000fc00},
317 {0x80c, 0x0000000a}, {0x810, 0x10005388},
318 {0x814, 0x020c3d10}, {0x818, 0x02200385},
319 {0x81c, 0x00000000}, {0x820, 0x01000100},
320 {0x824, 0x00390204}, {0x828, 0x00000000},
321 {0x82c, 0x00000000}, {0x830, 0x00000000},
322 {0x834, 0x00000000}, {0x838, 0x00000000},
323 {0x83c, 0x00000000}, {0x840, 0x00010000},
324 {0x844, 0x00000000}, {0x848, 0x00000000},
325 {0x84c, 0x00000000}, {0x850, 0x00000000},
326 {0x854, 0x00000000}, {0x858, 0x569a569a},
327 {0x85c, 0x001b25a4}, {0x860, 0x66e60230},
328 {0x864, 0x061f0130}, {0x868, 0x00000000},
329 {0x86c, 0x20202000}, {0x870, 0x03000300},
330 {0x874, 0x22004000}, {0x878, 0x00000808},
331 {0x87c, 0x00ffc3f1}, {0x880, 0xc0083070},
332 {0x884, 0x000004d5}, {0x888, 0x00000000},
333 {0x88c, 0xccc000c0}, {0x890, 0x00000800},
334 {0x894, 0xfffffffe}, {0x898, 0x40302010},
335 {0x89c, 0x00706050}, {0x900, 0x00000000},
336 {0x904, 0x00000023}, {0x908, 0x00000000},
337 {0x90c, 0x81121111}, {0xa00, 0x00d047c8},
338 {0xa04, 0x80ff000c}, {0xa08, 0x8c838300},
339 {0xa0c, 0x2e68120f}, {0xa10, 0x9500bb78},
340 {0xa14, 0x11144028}, {0xa18, 0x00881117},
341 {0xa1c, 0x89140f00}, {0xa20, 0x15160000},
342 {0xa24, 0x070b0f12}, {0xa28, 0x00000104},
343 {0xa2c, 0x00d30000}, {0xa70, 0x101fbf00},
344 {0xa74, 0x00000007}, {0xc00, 0x48071d40},
345 {0xc04, 0x03a05611}, {0xc08, 0x000000e4},
346 {0xc0c, 0x6c6c6c6c}, {0xc10, 0x08800000},
347 {0xc14, 0x40000100}, {0xc18, 0x08800000},
348 {0xc1c, 0x40000100}, {0xc20, 0x00000000},
349 {0xc24, 0x00000000}, {0xc28, 0x00000000},
350 {0xc2c, 0x00000000}, {0xc30, 0x69e9ac44},
351 {0xc34, 0x469652cf}, {0xc38, 0x49795994},
352 {0xc3c, 0x0a97971c}, {0xc40, 0x1f7c403f},
353 {0xc44, 0x000100b7}, {0xc48, 0xec020107},
354 {0xc4c, 0x007f037f}, {0xc50, 0x6954342e},
355 {0xc54, 0x43bc0094}, {0xc58, 0x6954342f},
356 {0xc5c, 0x433c0094}, {0xc60, 0x00000000},
357 {0xc64, 0x5116848b}, {0xc68, 0x47c00bff},
358 {0xc6c, 0x00000036}, {0xc70, 0x2c46000d},
359 {0xc74, 0x018610db}, {0xc78, 0x0000001f},
360 {0xc7c, 0x00b91612}, {0xc80, 0x24000090},
361 {0xc84, 0x20f60000}, {0xc88, 0x24000090},
362 {0xc8c, 0x20200000}, {0xc90, 0x00121820},
363 {0xc94, 0x00000000}, {0xc98, 0x00121820},
364 {0xc9c, 0x00007f7f}, {0xca0, 0x00000000},
365 {0xca4, 0x00000080}, {0xca8, 0x00000000},
366 {0xcac, 0x00000000}, {0xcb0, 0x00000000},
367 {0xcb4, 0x00000000}, {0xcb8, 0x00000000},
368 {0xcbc, 0x28000000}, {0xcc0, 0x00000000},
369 {0xcc4, 0x00000000}, {0xcc8, 0x00000000},
370 {0xccc, 0x00000000}, {0xcd0, 0x00000000},
371 {0xcd4, 0x00000000}, {0xcd8, 0x64b22427},
372 {0xcdc, 0x00766932}, {0xce0, 0x00222222},
373 {0xce4, 0x00000000}, {0xce8, 0x37644302},
374 {0xcec, 0x2f97d40c}, {0xd00, 0x00080740},
375 {0xd04, 0x00020401}, {0xd08, 0x0000907f},
376 {0xd0c, 0x20010201}, {0xd10, 0xa0633333},
377 {0xd14, 0x3333bc43}, {0xd18, 0x7a8f5b6b},
378 {0xd2c, 0xcc979975}, {0xd30, 0x00000000},
379 {0xd34, 0x80608000}, {0xd38, 0x00000000},
380 {0xd3c, 0x00027293}, {0xd40, 0x00000000},
381 {0xd44, 0x00000000}, {0xd48, 0x00000000},
382 {0xd4c, 0x00000000}, {0xd50, 0x6437140a},
383 {0xd54, 0x00000000}, {0xd58, 0x00000000},
384 {0xd5c, 0x30032064}, {0xd60, 0x4653de68},
385 {0xd64, 0x04518a3c}, {0xd68, 0x00002101},
386 {0xd6c, 0x2a201c16}, {0xd70, 0x1812362e},
387 {0xd74, 0x322c2220}, {0xd78, 0x000e3c24},
388 {0xe00, 0x24242424}, {0xe04, 0x24242424},
389 {0xe08, 0x03902024}, {0xe10, 0x24242424},
390 {0xe14, 0x24242424}, {0xe18, 0x24242424},
391 {0xe1c, 0x24242424}, {0xe28, 0x00000000},
392 {0xe30, 0x1000dc1f}, {0xe34, 0x10008c1f},
393 {0xe38, 0x02140102}, {0xe3c, 0x681604c2},
394 {0xe40, 0x01007c00}, {0xe44, 0x01004800},
395 {0xe48, 0xfb000000}, {0xe4c, 0x000028d1},
396 {0xe50, 0x1000dc1f}, {0xe54, 0x10008c1f},
397 {0xe58, 0x02140102}, {0xe5c, 0x28160d05},
398 {0xe60, 0x00000008}, {0xe68, 0x001b25a4},
399 {0xe6c, 0x631b25a0}, {0xe70, 0x631b25a0},
400 {0xe74, 0x081b25a0}, {0xe78, 0x081b25a0},
401 {0xe7c, 0x081b25a0}, {0xe80, 0x081b25a0},
402 {0xe84, 0x631b25a0}, {0xe88, 0x081b25a0},
403 {0xe8c, 0x631b25a0}, {0xed0, 0x631b25a0},
404 {0xed4, 0x631b25a0}, {0xed8, 0x631b25a0},
405 {0xedc, 0x001b25a0}, {0xee0, 0x001b25a0},
406 {0xeec, 0x6b1b25a0}, {0xee8, 0x31555448},
407 {0xf14, 0x00000003}, {0xf4c, 0x00000000},
408 {0xf00, 0x00000300},
409 {0xffff, 0xffffffff},
410 };
411
412 static const struct rtl8xxxu_reg32val rtl8xxx_agc_standard_table[] = {
413 {0xc78, 0x7b000001}, {0xc78, 0x7b010001},
414 {0xc78, 0x7b020001}, {0xc78, 0x7b030001},
415 {0xc78, 0x7b040001}, {0xc78, 0x7b050001},
416 {0xc78, 0x7a060001}, {0xc78, 0x79070001},
417 {0xc78, 0x78080001}, {0xc78, 0x77090001},
418 {0xc78, 0x760a0001}, {0xc78, 0x750b0001},
419 {0xc78, 0x740c0001}, {0xc78, 0x730d0001},
420 {0xc78, 0x720e0001}, {0xc78, 0x710f0001},
421 {0xc78, 0x70100001}, {0xc78, 0x6f110001},
422 {0xc78, 0x6e120001}, {0xc78, 0x6d130001},
423 {0xc78, 0x6c140001}, {0xc78, 0x6b150001},
424 {0xc78, 0x6a160001}, {0xc78, 0x69170001},
425 {0xc78, 0x68180001}, {0xc78, 0x67190001},
426 {0xc78, 0x661a0001}, {0xc78, 0x651b0001},
427 {0xc78, 0x641c0001}, {0xc78, 0x631d0001},
428 {0xc78, 0x621e0001}, {0xc78, 0x611f0001},
429 {0xc78, 0x60200001}, {0xc78, 0x49210001},
430 {0xc78, 0x48220001}, {0xc78, 0x47230001},
431 {0xc78, 0x46240001}, {0xc78, 0x45250001},
432 {0xc78, 0x44260001}, {0xc78, 0x43270001},
433 {0xc78, 0x42280001}, {0xc78, 0x41290001},
434 {0xc78, 0x402a0001}, {0xc78, 0x262b0001},
435 {0xc78, 0x252c0001}, {0xc78, 0x242d0001},
436 {0xc78, 0x232e0001}, {0xc78, 0x222f0001},
437 {0xc78, 0x21300001}, {0xc78, 0x20310001},
438 {0xc78, 0x06320001}, {0xc78, 0x05330001},
439 {0xc78, 0x04340001}, {0xc78, 0x03350001},
440 {0xc78, 0x02360001}, {0xc78, 0x01370001},
441 {0xc78, 0x00380001}, {0xc78, 0x00390001},
442 {0xc78, 0x003a0001}, {0xc78, 0x003b0001},
443 {0xc78, 0x003c0001}, {0xc78, 0x003d0001},
444 {0xc78, 0x003e0001}, {0xc78, 0x003f0001},
445 {0xc78, 0x7b400001}, {0xc78, 0x7b410001},
446 {0xc78, 0x7b420001}, {0xc78, 0x7b430001},
447 {0xc78, 0x7b440001}, {0xc78, 0x7b450001},
448 {0xc78, 0x7a460001}, {0xc78, 0x79470001},
449 {0xc78, 0x78480001}, {0xc78, 0x77490001},
450 {0xc78, 0x764a0001}, {0xc78, 0x754b0001},
451 {0xc78, 0x744c0001}, {0xc78, 0x734d0001},
452 {0xc78, 0x724e0001}, {0xc78, 0x714f0001},
453 {0xc78, 0x70500001}, {0xc78, 0x6f510001},
454 {0xc78, 0x6e520001}, {0xc78, 0x6d530001},
455 {0xc78, 0x6c540001}, {0xc78, 0x6b550001},
456 {0xc78, 0x6a560001}, {0xc78, 0x69570001},
457 {0xc78, 0x68580001}, {0xc78, 0x67590001},
458 {0xc78, 0x665a0001}, {0xc78, 0x655b0001},
459 {0xc78, 0x645c0001}, {0xc78, 0x635d0001},
460 {0xc78, 0x625e0001}, {0xc78, 0x615f0001},
461 {0xc78, 0x60600001}, {0xc78, 0x49610001},
462 {0xc78, 0x48620001}, {0xc78, 0x47630001},
463 {0xc78, 0x46640001}, {0xc78, 0x45650001},
464 {0xc78, 0x44660001}, {0xc78, 0x43670001},
465 {0xc78, 0x42680001}, {0xc78, 0x41690001},
466 {0xc78, 0x406a0001}, {0xc78, 0x266b0001},
467 {0xc78, 0x256c0001}, {0xc78, 0x246d0001},
468 {0xc78, 0x236e0001}, {0xc78, 0x226f0001},
469 {0xc78, 0x21700001}, {0xc78, 0x20710001},
470 {0xc78, 0x06720001}, {0xc78, 0x05730001},
471 {0xc78, 0x04740001}, {0xc78, 0x03750001},
472 {0xc78, 0x02760001}, {0xc78, 0x01770001},
473 {0xc78, 0x00780001}, {0xc78, 0x00790001},
474 {0xc78, 0x007a0001}, {0xc78, 0x007b0001},
475 {0xc78, 0x007c0001}, {0xc78, 0x007d0001},
476 {0xc78, 0x007e0001}, {0xc78, 0x007f0001},
477 {0xc78, 0x3800001e}, {0xc78, 0x3801001e},
478 {0xc78, 0x3802001e}, {0xc78, 0x3803001e},
479 {0xc78, 0x3804001e}, {0xc78, 0x3805001e},
480 {0xc78, 0x3806001e}, {0xc78, 0x3807001e},
481 {0xc78, 0x3808001e}, {0xc78, 0x3c09001e},
482 {0xc78, 0x3e0a001e}, {0xc78, 0x400b001e},
483 {0xc78, 0x440c001e}, {0xc78, 0x480d001e},
484 {0xc78, 0x4c0e001e}, {0xc78, 0x500f001e},
485 {0xc78, 0x5210001e}, {0xc78, 0x5611001e},
486 {0xc78, 0x5a12001e}, {0xc78, 0x5e13001e},
487 {0xc78, 0x6014001e}, {0xc78, 0x6015001e},
488 {0xc78, 0x6016001e}, {0xc78, 0x6217001e},
489 {0xc78, 0x6218001e}, {0xc78, 0x6219001e},
490 {0xc78, 0x621a001e}, {0xc78, 0x621b001e},
491 {0xc78, 0x621c001e}, {0xc78, 0x621d001e},
492 {0xc78, 0x621e001e}, {0xc78, 0x621f001e},
493 {0xffff, 0xffffffff}
494 };
495
496 static const struct rtl8xxxu_reg32val rtl8xxx_agc_highpa_table[] = {
497 {0xc78, 0x7b000001}, {0xc78, 0x7b010001},
498 {0xc78, 0x7b020001}, {0xc78, 0x7b030001},
499 {0xc78, 0x7b040001}, {0xc78, 0x7b050001},
500 {0xc78, 0x7b060001}, {0xc78, 0x7b070001},
501 {0xc78, 0x7b080001}, {0xc78, 0x7a090001},
502 {0xc78, 0x790a0001}, {0xc78, 0x780b0001},
503 {0xc78, 0x770c0001}, {0xc78, 0x760d0001},
504 {0xc78, 0x750e0001}, {0xc78, 0x740f0001},
505 {0xc78, 0x73100001}, {0xc78, 0x72110001},
506 {0xc78, 0x71120001}, {0xc78, 0x70130001},
507 {0xc78, 0x6f140001}, {0xc78, 0x6e150001},
508 {0xc78, 0x6d160001}, {0xc78, 0x6c170001},
509 {0xc78, 0x6b180001}, {0xc78, 0x6a190001},
510 {0xc78, 0x691a0001}, {0xc78, 0x681b0001},
511 {0xc78, 0x671c0001}, {0xc78, 0x661d0001},
512 {0xc78, 0x651e0001}, {0xc78, 0x641f0001},
513 {0xc78, 0x63200001}, {0xc78, 0x62210001},
514 {0xc78, 0x61220001}, {0xc78, 0x60230001},
515 {0xc78, 0x46240001}, {0xc78, 0x45250001},
516 {0xc78, 0x44260001}, {0xc78, 0x43270001},
517 {0xc78, 0x42280001}, {0xc78, 0x41290001},
518 {0xc78, 0x402a0001}, {0xc78, 0x262b0001},
519 {0xc78, 0x252c0001}, {0xc78, 0x242d0001},
520 {0xc78, 0x232e0001}, {0xc78, 0x222f0001},
521 {0xc78, 0x21300001}, {0xc78, 0x20310001},
522 {0xc78, 0x06320001}, {0xc78, 0x05330001},
523 {0xc78, 0x04340001}, {0xc78, 0x03350001},
524 {0xc78, 0x02360001}, {0xc78, 0x01370001},
525 {0xc78, 0x00380001}, {0xc78, 0x00390001},
526 {0xc78, 0x003a0001}, {0xc78, 0x003b0001},
527 {0xc78, 0x003c0001}, {0xc78, 0x003d0001},
528 {0xc78, 0x003e0001}, {0xc78, 0x003f0001},
529 {0xc78, 0x7b400001}, {0xc78, 0x7b410001},
530 {0xc78, 0x7b420001}, {0xc78, 0x7b430001},
531 {0xc78, 0x7b440001}, {0xc78, 0x7b450001},
532 {0xc78, 0x7b460001}, {0xc78, 0x7b470001},
533 {0xc78, 0x7b480001}, {0xc78, 0x7a490001},
534 {0xc78, 0x794a0001}, {0xc78, 0x784b0001},
535 {0xc78, 0x774c0001}, {0xc78, 0x764d0001},
536 {0xc78, 0x754e0001}, {0xc78, 0x744f0001},
537 {0xc78, 0x73500001}, {0xc78, 0x72510001},
538 {0xc78, 0x71520001}, {0xc78, 0x70530001},
539 {0xc78, 0x6f540001}, {0xc78, 0x6e550001},
540 {0xc78, 0x6d560001}, {0xc78, 0x6c570001},
541 {0xc78, 0x6b580001}, {0xc78, 0x6a590001},
542 {0xc78, 0x695a0001}, {0xc78, 0x685b0001},
543 {0xc78, 0x675c0001}, {0xc78, 0x665d0001},
544 {0xc78, 0x655e0001}, {0xc78, 0x645f0001},
545 {0xc78, 0x63600001}, {0xc78, 0x62610001},
546 {0xc78, 0x61620001}, {0xc78, 0x60630001},
547 {0xc78, 0x46640001}, {0xc78, 0x45650001},
548 {0xc78, 0x44660001}, {0xc78, 0x43670001},
549 {0xc78, 0x42680001}, {0xc78, 0x41690001},
550 {0xc78, 0x406a0001}, {0xc78, 0x266b0001},
551 {0xc78, 0x256c0001}, {0xc78, 0x246d0001},
552 {0xc78, 0x236e0001}, {0xc78, 0x226f0001},
553 {0xc78, 0x21700001}, {0xc78, 0x20710001},
554 {0xc78, 0x06720001}, {0xc78, 0x05730001},
555 {0xc78, 0x04740001}, {0xc78, 0x03750001},
556 {0xc78, 0x02760001}, {0xc78, 0x01770001},
557 {0xc78, 0x00780001}, {0xc78, 0x00790001},
558 {0xc78, 0x007a0001}, {0xc78, 0x007b0001},
559 {0xc78, 0x007c0001}, {0xc78, 0x007d0001},
560 {0xc78, 0x007e0001}, {0xc78, 0x007f0001},
561 {0xc78, 0x3800001e}, {0xc78, 0x3801001e},
562 {0xc78, 0x3802001e}, {0xc78, 0x3803001e},
563 {0xc78, 0x3804001e}, {0xc78, 0x3805001e},
564 {0xc78, 0x3806001e}, {0xc78, 0x3807001e},
565 {0xc78, 0x3808001e}, {0xc78, 0x3c09001e},
566 {0xc78, 0x3e0a001e}, {0xc78, 0x400b001e},
567 {0xc78, 0x440c001e}, {0xc78, 0x480d001e},
568 {0xc78, 0x4c0e001e}, {0xc78, 0x500f001e},
569 {0xc78, 0x5210001e}, {0xc78, 0x5611001e},
570 {0xc78, 0x5a12001e}, {0xc78, 0x5e13001e},
571 {0xc78, 0x6014001e}, {0xc78, 0x6015001e},
572 {0xc78, 0x6016001e}, {0xc78, 0x6217001e},
573 {0xc78, 0x6218001e}, {0xc78, 0x6219001e},
574 {0xc78, 0x621a001e}, {0xc78, 0x621b001e},
575 {0xc78, 0x621c001e}, {0xc78, 0x621d001e},
576 {0xc78, 0x621e001e}, {0xc78, 0x621f001e},
577 {0xffff, 0xffffffff}
578 };
579
580 static const struct rtl8xxxu_rfregs rtl8xxxu_rfregs[] = {
581 { /* RF_A */
582 .hssiparm1 = REG_FPGA0_XA_HSSI_PARM1,
583 .hssiparm2 = REG_FPGA0_XA_HSSI_PARM2,
584 .lssiparm = REG_FPGA0_XA_LSSI_PARM,
585 .hspiread = REG_HSPI_XA_READBACK,
586 .lssiread = REG_FPGA0_XA_LSSI_READBACK,
587 .rf_sw_ctrl = REG_FPGA0_XA_RF_SW_CTRL,
588 },
589 { /* RF_B */
590 .hssiparm1 = REG_FPGA0_XB_HSSI_PARM1,
591 .hssiparm2 = REG_FPGA0_XB_HSSI_PARM2,
592 .lssiparm = REG_FPGA0_XB_LSSI_PARM,
593 .hspiread = REG_HSPI_XB_READBACK,
594 .lssiread = REG_FPGA0_XB_LSSI_READBACK,
595 .rf_sw_ctrl = REG_FPGA0_XB_RF_SW_CTRL,
596 },
597 };
598
599 const u32 rtl8xxxu_iqk_phy_iq_bb_reg[RTL8XXXU_BB_REGS] = {
600 REG_OFDM0_XA_RX_IQ_IMBALANCE,
601 REG_OFDM0_XB_RX_IQ_IMBALANCE,
602 REG_OFDM0_ENERGY_CCA_THRES,
603 REG_OFDM0_AGC_RSSI_TABLE,
604 REG_OFDM0_XA_TX_IQ_IMBALANCE,
605 REG_OFDM0_XB_TX_IQ_IMBALANCE,
606 REG_OFDM0_XC_TX_AFE,
607 REG_OFDM0_XD_TX_AFE,
608 REG_OFDM0_RX_IQ_EXT_ANTA
609 };
610
rtl8xxxu_read8(struct rtl8xxxu_priv * priv,u16 addr)611 u8 rtl8xxxu_read8(struct rtl8xxxu_priv *priv, u16 addr)
612 {
613 struct usb_device *udev = priv->udev;
614 int len;
615 u8 data;
616
617 if (priv->rtl_chip == RTL8710B && addr <= 0xff)
618 addr |= 0x8000;
619
620 mutex_lock(&priv->usb_buf_mutex);
621 len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
622 REALTEK_USB_CMD_REQ, REALTEK_USB_READ,
623 addr, 0, &priv->usb_buf.val8, sizeof(u8),
624 RTW_USB_CONTROL_MSG_TIMEOUT);
625 data = priv->usb_buf.val8;
626 mutex_unlock(&priv->usb_buf_mutex);
627
628 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_READ)
629 dev_info(&udev->dev, "%s(%04x) = 0x%02x, len %i\n",
630 __func__, addr, data, len);
631 return data;
632 }
633
rtl8xxxu_read16(struct rtl8xxxu_priv * priv,u16 addr)634 u16 rtl8xxxu_read16(struct rtl8xxxu_priv *priv, u16 addr)
635 {
636 struct usb_device *udev = priv->udev;
637 int len;
638 u16 data;
639
640 if (priv->rtl_chip == RTL8710B && addr <= 0xff)
641 addr |= 0x8000;
642
643 mutex_lock(&priv->usb_buf_mutex);
644 len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
645 REALTEK_USB_CMD_REQ, REALTEK_USB_READ,
646 addr, 0, &priv->usb_buf.val16, sizeof(u16),
647 RTW_USB_CONTROL_MSG_TIMEOUT);
648 data = le16_to_cpu(priv->usb_buf.val16);
649 mutex_unlock(&priv->usb_buf_mutex);
650
651 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_READ)
652 dev_info(&udev->dev, "%s(%04x) = 0x%04x, len %i\n",
653 __func__, addr, data, len);
654 return data;
655 }
656
rtl8xxxu_read32(struct rtl8xxxu_priv * priv,u16 addr)657 u32 rtl8xxxu_read32(struct rtl8xxxu_priv *priv, u16 addr)
658 {
659 struct usb_device *udev = priv->udev;
660 int len;
661 u32 data;
662
663 if (priv->rtl_chip == RTL8710B && addr <= 0xff)
664 addr |= 0x8000;
665
666 mutex_lock(&priv->usb_buf_mutex);
667 len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
668 REALTEK_USB_CMD_REQ, REALTEK_USB_READ,
669 addr, 0, &priv->usb_buf.val32, sizeof(u32),
670 RTW_USB_CONTROL_MSG_TIMEOUT);
671 data = le32_to_cpu(priv->usb_buf.val32);
672 mutex_unlock(&priv->usb_buf_mutex);
673
674 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_READ)
675 dev_info(&udev->dev, "%s(%04x) = 0x%08x, len %i\n",
676 __func__, addr, data, len);
677 return data;
678 }
679
rtl8xxxu_write8(struct rtl8xxxu_priv * priv,u16 addr,u8 val)680 int rtl8xxxu_write8(struct rtl8xxxu_priv *priv, u16 addr, u8 val)
681 {
682 struct usb_device *udev = priv->udev;
683 int ret;
684
685 if (priv->rtl_chip == RTL8710B && addr <= 0xff)
686 addr |= 0x8000;
687
688 mutex_lock(&priv->usb_buf_mutex);
689 priv->usb_buf.val8 = val;
690 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
691 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE,
692 addr, 0, &priv->usb_buf.val8, sizeof(u8),
693 RTW_USB_CONTROL_MSG_TIMEOUT);
694
695 mutex_unlock(&priv->usb_buf_mutex);
696
697 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE)
698 dev_info(&udev->dev, "%s(%04x) = 0x%02x\n",
699 __func__, addr, val);
700 return ret;
701 }
702
rtl8xxxu_write16(struct rtl8xxxu_priv * priv,u16 addr,u16 val)703 int rtl8xxxu_write16(struct rtl8xxxu_priv *priv, u16 addr, u16 val)
704 {
705 struct usb_device *udev = priv->udev;
706 int ret;
707
708 if (priv->rtl_chip == RTL8710B && addr <= 0xff)
709 addr |= 0x8000;
710
711 mutex_lock(&priv->usb_buf_mutex);
712 priv->usb_buf.val16 = cpu_to_le16(val);
713 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
714 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE,
715 addr, 0, &priv->usb_buf.val16, sizeof(u16),
716 RTW_USB_CONTROL_MSG_TIMEOUT);
717 mutex_unlock(&priv->usb_buf_mutex);
718
719 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE)
720 dev_info(&udev->dev, "%s(%04x) = 0x%04x\n",
721 __func__, addr, val);
722 return ret;
723 }
724
rtl8xxxu_write32(struct rtl8xxxu_priv * priv,u16 addr,u32 val)725 int rtl8xxxu_write32(struct rtl8xxxu_priv *priv, u16 addr, u32 val)
726 {
727 struct usb_device *udev = priv->udev;
728 int ret;
729
730 if (priv->rtl_chip == RTL8710B && addr <= 0xff)
731 addr |= 0x8000;
732
733 mutex_lock(&priv->usb_buf_mutex);
734 priv->usb_buf.val32 = cpu_to_le32(val);
735 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
736 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE,
737 addr, 0, &priv->usb_buf.val32, sizeof(u32),
738 RTW_USB_CONTROL_MSG_TIMEOUT);
739 mutex_unlock(&priv->usb_buf_mutex);
740
741 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE)
742 dev_info(&udev->dev, "%s(%04x) = 0x%08x\n",
743 __func__, addr, val);
744 return ret;
745 }
746
rtl8xxxu_write8_set(struct rtl8xxxu_priv * priv,u16 addr,u8 bits)747 int rtl8xxxu_write8_set(struct rtl8xxxu_priv *priv, u16 addr, u8 bits)
748 {
749 u8 val8;
750
751 val8 = rtl8xxxu_read8(priv, addr);
752 val8 |= bits;
753 return rtl8xxxu_write8(priv, addr, val8);
754 }
755
rtl8xxxu_write8_clear(struct rtl8xxxu_priv * priv,u16 addr,u8 bits)756 int rtl8xxxu_write8_clear(struct rtl8xxxu_priv *priv, u16 addr, u8 bits)
757 {
758 u8 val8;
759
760 val8 = rtl8xxxu_read8(priv, addr);
761 val8 &= ~bits;
762 return rtl8xxxu_write8(priv, addr, val8);
763 }
764
rtl8xxxu_write16_set(struct rtl8xxxu_priv * priv,u16 addr,u16 bits)765 int rtl8xxxu_write16_set(struct rtl8xxxu_priv *priv, u16 addr, u16 bits)
766 {
767 u16 val16;
768
769 val16 = rtl8xxxu_read16(priv, addr);
770 val16 |= bits;
771 return rtl8xxxu_write16(priv, addr, val16);
772 }
773
rtl8xxxu_write16_clear(struct rtl8xxxu_priv * priv,u16 addr,u16 bits)774 int rtl8xxxu_write16_clear(struct rtl8xxxu_priv *priv, u16 addr, u16 bits)
775 {
776 u16 val16;
777
778 val16 = rtl8xxxu_read16(priv, addr);
779 val16 &= ~bits;
780 return rtl8xxxu_write16(priv, addr, val16);
781 }
782
rtl8xxxu_write32_set(struct rtl8xxxu_priv * priv,u16 addr,u32 bits)783 int rtl8xxxu_write32_set(struct rtl8xxxu_priv *priv, u16 addr, u32 bits)
784 {
785 u32 val32;
786
787 val32 = rtl8xxxu_read32(priv, addr);
788 val32 |= bits;
789 return rtl8xxxu_write32(priv, addr, val32);
790 }
791
rtl8xxxu_write32_clear(struct rtl8xxxu_priv * priv,u16 addr,u32 bits)792 int rtl8xxxu_write32_clear(struct rtl8xxxu_priv *priv, u16 addr, u32 bits)
793 {
794 u32 val32;
795
796 val32 = rtl8xxxu_read32(priv, addr);
797 val32 &= ~bits;
798 return rtl8xxxu_write32(priv, addr, val32);
799 }
800
rtl8xxxu_write32_mask(struct rtl8xxxu_priv * priv,u16 addr,u32 mask,u32 val)801 int rtl8xxxu_write32_mask(struct rtl8xxxu_priv *priv, u16 addr,
802 u32 mask, u32 val)
803 {
804 u32 orig, new, shift;
805
806 shift = __ffs(mask);
807
808 orig = rtl8xxxu_read32(priv, addr);
809 new = (orig & ~mask) | ((val << shift) & mask);
810 return rtl8xxxu_write32(priv, addr, new);
811 }
812
rtl8xxxu_write_rfreg_mask(struct rtl8xxxu_priv * priv,enum rtl8xxxu_rfpath path,u8 reg,u32 mask,u32 val)813 int rtl8xxxu_write_rfreg_mask(struct rtl8xxxu_priv *priv,
814 enum rtl8xxxu_rfpath path, u8 reg,
815 u32 mask, u32 val)
816 {
817 u32 orig, new, shift;
818
819 shift = __ffs(mask);
820
821 orig = rtl8xxxu_read_rfreg(priv, path, reg);
822 new = (orig & ~mask) | ((val << shift) & mask);
823 return rtl8xxxu_write_rfreg(priv, path, reg, new);
824 }
825
826 static int
rtl8xxxu_writeN(struct rtl8xxxu_priv * priv,u16 addr,u8 * buf,u16 len)827 rtl8xxxu_writeN(struct rtl8xxxu_priv *priv, u16 addr, u8 *buf, u16 len)
828 {
829 struct usb_device *udev = priv->udev;
830 int blocksize = priv->fops->writeN_block_size;
831 int ret, i, count, remainder;
832
833 count = len / blocksize;
834 remainder = len % blocksize;
835
836 for (i = 0; i < count; i++) {
837 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
838 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE,
839 addr, 0, buf, blocksize,
840 RTW_USB_CONTROL_MSG_TIMEOUT);
841 if (ret != blocksize)
842 goto write_error;
843
844 addr += blocksize;
845 buf += blocksize;
846 }
847
848 if (remainder) {
849 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
850 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE,
851 addr, 0, buf, remainder,
852 RTW_USB_CONTROL_MSG_TIMEOUT);
853 if (ret != remainder)
854 goto write_error;
855 }
856
857 return len;
858
859 write_error:
860 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE)
861 dev_info(&udev->dev,
862 "%s: Failed to write block at addr: %04x size: %04x\n",
863 __func__, addr, blocksize);
864 return -EAGAIN;
865 }
866
rtl8xxxu_read_rfreg(struct rtl8xxxu_priv * priv,enum rtl8xxxu_rfpath path,u8 reg)867 u32 rtl8xxxu_read_rfreg(struct rtl8xxxu_priv *priv,
868 enum rtl8xxxu_rfpath path, u8 reg)
869 {
870 u32 hssia, val32, retval;
871
872 hssia = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM2);
873 if (path != RF_A)
874 val32 = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hssiparm2);
875 else
876 val32 = hssia;
877
878 val32 &= ~FPGA0_HSSI_PARM2_ADDR_MASK;
879 val32 |= (reg << FPGA0_HSSI_PARM2_ADDR_SHIFT);
880 val32 |= FPGA0_HSSI_PARM2_EDGE_READ;
881 hssia &= ~FPGA0_HSSI_PARM2_EDGE_READ;
882 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM2, hssia);
883
884 udelay(10);
885
886 rtl8xxxu_write32(priv, rtl8xxxu_rfregs[path].hssiparm2, val32);
887 udelay(100);
888
889 hssia |= FPGA0_HSSI_PARM2_EDGE_READ;
890 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM2, hssia);
891 udelay(10);
892
893 val32 = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hssiparm1);
894 if (val32 & FPGA0_HSSI_PARM1_PI)
895 retval = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hspiread);
896 else
897 retval = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].lssiread);
898
899 retval &= 0xfffff;
900
901 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_RFREG_READ)
902 dev_info(&priv->udev->dev, "%s(%02x) = 0x%06x\n",
903 __func__, reg, retval);
904 return retval;
905 }
906
907 /*
908 * The RTL8723BU driver indicates that registers 0xb2 and 0xb6 can
909 * have write issues in high temperature conditions. We may have to
910 * retry writing them.
911 */
rtl8xxxu_write_rfreg(struct rtl8xxxu_priv * priv,enum rtl8xxxu_rfpath path,u8 reg,u32 data)912 int rtl8xxxu_write_rfreg(struct rtl8xxxu_priv *priv,
913 enum rtl8xxxu_rfpath path, u8 reg, u32 data)
914 {
915 int ret, retval;
916 u32 dataaddr, val32;
917
918 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_RFREG_WRITE)
919 dev_info(&priv->udev->dev, "%s(%02x) = 0x%06x\n",
920 __func__, reg, data);
921
922 data &= FPGA0_LSSI_PARM_DATA_MASK;
923 dataaddr = (reg << FPGA0_LSSI_PARM_ADDR_SHIFT) | data;
924
925 if (priv->rtl_chip == RTL8192E) {
926 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE);
927 val32 &= ~0x20000;
928 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32);
929 }
930
931 /* Use XB for path B */
932 ret = rtl8xxxu_write32(priv, rtl8xxxu_rfregs[path].lssiparm, dataaddr);
933 if (ret != sizeof(dataaddr))
934 retval = -EIO;
935 else
936 retval = 0;
937
938 udelay(1);
939
940 if (priv->rtl_chip == RTL8192E) {
941 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE);
942 val32 |= 0x20000;
943 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32);
944 }
945
946 return retval;
947 }
948
949 static int
rtl8xxxu_gen1_h2c_cmd(struct rtl8xxxu_priv * priv,struct h2c_cmd * h2c,int len)950 rtl8xxxu_gen1_h2c_cmd(struct rtl8xxxu_priv *priv, struct h2c_cmd *h2c, int len)
951 {
952 struct device *dev = &priv->udev->dev;
953 int mbox_nr, retry, retval = 0;
954 int mbox_reg, mbox_ext_reg;
955 u8 val8;
956
957 mutex_lock(&priv->h2c_mutex);
958
959 mbox_nr = priv->next_mbox;
960 mbox_reg = REG_HMBOX_0 + (mbox_nr * 4);
961 mbox_ext_reg = REG_HMBOX_EXT_0 + (mbox_nr * 2);
962
963 /*
964 * MBOX ready?
965 */
966 retry = 100;
967 do {
968 val8 = rtl8xxxu_read8(priv, REG_HMTFR);
969 if (!(val8 & BIT(mbox_nr)))
970 break;
971 } while (retry--);
972
973 if (!retry) {
974 dev_info(dev, "%s: Mailbox busy\n", __func__);
975 retval = -EBUSY;
976 goto error;
977 }
978
979 /*
980 * Need to swap as it's being swapped again by rtl8xxxu_write16/32()
981 */
982 if (len > sizeof(u32)) {
983 rtl8xxxu_write16(priv, mbox_ext_reg, le16_to_cpu(h2c->raw.ext));
984 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C)
985 dev_info(dev, "H2C_EXT %04x\n",
986 le16_to_cpu(h2c->raw.ext));
987 }
988 rtl8xxxu_write32(priv, mbox_reg, le32_to_cpu(h2c->raw.data));
989 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C)
990 dev_info(dev, "H2C %08x\n", le32_to_cpu(h2c->raw.data));
991
992 priv->next_mbox = (mbox_nr + 1) % H2C_MAX_MBOX;
993
994 error:
995 mutex_unlock(&priv->h2c_mutex);
996 return retval;
997 }
998
999 int
rtl8xxxu_gen2_h2c_cmd(struct rtl8xxxu_priv * priv,struct h2c_cmd * h2c,int len)1000 rtl8xxxu_gen2_h2c_cmd(struct rtl8xxxu_priv *priv, struct h2c_cmd *h2c, int len)
1001 {
1002 struct device *dev = &priv->udev->dev;
1003 int mbox_nr, retry, retval = 0;
1004 int mbox_reg, mbox_ext_reg;
1005 u8 val8;
1006
1007 mutex_lock(&priv->h2c_mutex);
1008
1009 mbox_nr = priv->next_mbox;
1010 mbox_reg = REG_HMBOX_0 + (mbox_nr * 4);
1011 mbox_ext_reg = REG_HMBOX_EXT0_8723B + (mbox_nr * 4);
1012
1013 /*
1014 * MBOX ready?
1015 */
1016 retry = 100;
1017 do {
1018 val8 = rtl8xxxu_read8(priv, REG_HMTFR);
1019 if (!(val8 & BIT(mbox_nr)))
1020 break;
1021 } while (retry--);
1022
1023 if (!retry) {
1024 dev_info(dev, "%s: Mailbox busy\n", __func__);
1025 retval = -EBUSY;
1026 goto error;
1027 }
1028
1029 /*
1030 * Need to swap as it's being swapped again by rtl8xxxu_write16/32()
1031 */
1032 if (len > sizeof(u32)) {
1033 rtl8xxxu_write32(priv, mbox_ext_reg,
1034 le32_to_cpu(h2c->raw_wide.ext));
1035 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C)
1036 dev_info(dev, "H2C_EXT %08x\n",
1037 le32_to_cpu(h2c->raw_wide.ext));
1038 }
1039 rtl8xxxu_write32(priv, mbox_reg, le32_to_cpu(h2c->raw.data));
1040 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C)
1041 dev_info(dev, "H2C %08x\n", le32_to_cpu(h2c->raw.data));
1042
1043 priv->next_mbox = (mbox_nr + 1) % H2C_MAX_MBOX;
1044
1045 error:
1046 mutex_unlock(&priv->h2c_mutex);
1047 return retval;
1048 }
1049
rtl8xxxu_gen1_enable_rf(struct rtl8xxxu_priv * priv)1050 void rtl8xxxu_gen1_enable_rf(struct rtl8xxxu_priv *priv)
1051 {
1052 u8 val8;
1053 u32 val32;
1054
1055 val8 = rtl8xxxu_read8(priv, REG_SPS0_CTRL);
1056 val8 |= BIT(0) | BIT(3);
1057 rtl8xxxu_write8(priv, REG_SPS0_CTRL, val8);
1058
1059 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_PARM);
1060 val32 &= ~(BIT(4) | BIT(5));
1061 val32 |= BIT(3);
1062 if (priv->rf_paths == 2) {
1063 val32 &= ~(BIT(20) | BIT(21));
1064 val32 |= BIT(19);
1065 }
1066 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_PARM, val32);
1067
1068 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE);
1069 val32 &= ~OFDM_RF_PATH_TX_MASK;
1070 if (priv->tx_paths == 2)
1071 val32 |= OFDM_RF_PATH_TX_A | OFDM_RF_PATH_TX_B;
1072 else if (priv->rtl_chip == RTL8192C || priv->rtl_chip == RTL8191C)
1073 val32 |= OFDM_RF_PATH_TX_B;
1074 else
1075 val32 |= OFDM_RF_PATH_TX_A;
1076 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32);
1077
1078 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
1079 val32 &= ~FPGA_RF_MODE_JAPAN;
1080 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
1081
1082 if (priv->rf_paths == 2)
1083 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x63db25a0);
1084 else
1085 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x631b25a0);
1086
1087 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x32d95);
1088 if (priv->rf_paths == 2)
1089 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 0x32d95);
1090
1091 rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
1092 }
1093
rtl8xxxu_gen1_disable_rf(struct rtl8xxxu_priv * priv)1094 void rtl8xxxu_gen1_disable_rf(struct rtl8xxxu_priv *priv)
1095 {
1096 u8 sps0;
1097 u32 val32;
1098
1099 sps0 = rtl8xxxu_read8(priv, REG_SPS0_CTRL);
1100
1101 /* RF RX code for preamble power saving */
1102 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_PARM);
1103 val32 &= ~(BIT(3) | BIT(4) | BIT(5));
1104 if (priv->rf_paths == 2)
1105 val32 &= ~(BIT(19) | BIT(20) | BIT(21));
1106 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_PARM, val32);
1107
1108 /* Disable TX for four paths */
1109 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE);
1110 val32 &= ~OFDM_RF_PATH_TX_MASK;
1111 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32);
1112
1113 /* Enable power saving */
1114 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
1115 val32 |= FPGA_RF_MODE_JAPAN;
1116 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
1117
1118 /* AFE control register to power down bits [30:22] */
1119 if (priv->rf_paths == 2)
1120 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x00db25a0);
1121 else
1122 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x001b25a0);
1123
1124 /* Power down RF module */
1125 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0);
1126 if (priv->rf_paths == 2)
1127 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 0);
1128
1129 sps0 &= ~(BIT(0) | BIT(3));
1130 rtl8xxxu_write8(priv, REG_SPS0_CTRL, sps0);
1131 }
1132
rtl8xxxu_stop_tx_beacon(struct rtl8xxxu_priv * priv)1133 static void rtl8xxxu_stop_tx_beacon(struct rtl8xxxu_priv *priv)
1134 {
1135 u8 val8;
1136
1137 val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL + 2);
1138 val8 &= ~BIT(6);
1139 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL + 2, val8);
1140
1141 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 1, 0x64);
1142 val8 = rtl8xxxu_read8(priv, REG_TBTT_PROHIBIT + 2);
1143 val8 &= ~BIT(0);
1144 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 2, val8);
1145 }
1146
rtl8xxxu_start_tx_beacon(struct rtl8xxxu_priv * priv)1147 static void rtl8xxxu_start_tx_beacon(struct rtl8xxxu_priv *priv)
1148 {
1149 u8 val8;
1150
1151 val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL + 2);
1152 val8 |= EN_BCNQ_DL >> 16;
1153 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL + 2, val8);
1154
1155 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 1, 0x80);
1156 val8 = rtl8xxxu_read8(priv, REG_TBTT_PROHIBIT + 2);
1157 val8 &= 0xF0;
1158 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 2, val8);
1159 }
1160
1161
1162 /*
1163 * The rtl8723a has 3 channel groups for its efuse settings. It only
1164 * supports the 2.4GHz band, so channels 1 - 14:
1165 * group 0: channels 1 - 3
1166 * group 1: channels 4 - 9
1167 * group 2: channels 10 - 14
1168 *
1169 * Note: We index from 0 in the code
1170 */
rtl8xxxu_gen1_channel_to_group(int channel)1171 static int rtl8xxxu_gen1_channel_to_group(int channel)
1172 {
1173 int group;
1174
1175 if (channel < 4)
1176 group = 0;
1177 else if (channel < 10)
1178 group = 1;
1179 else
1180 group = 2;
1181
1182 return group;
1183 }
1184
1185 /*
1186 * Valid for rtl8723bu and rtl8192eu
1187 */
rtl8xxxu_gen2_channel_to_group(int channel)1188 int rtl8xxxu_gen2_channel_to_group(int channel)
1189 {
1190 int group;
1191
1192 if (channel < 3)
1193 group = 0;
1194 else if (channel < 6)
1195 group = 1;
1196 else if (channel < 9)
1197 group = 2;
1198 else if (channel < 12)
1199 group = 3;
1200 else
1201 group = 4;
1202
1203 return group;
1204 }
1205
rtl8xxxu_gen1_config_channel(struct ieee80211_hw * hw)1206 void rtl8xxxu_gen1_config_channel(struct ieee80211_hw *hw)
1207 {
1208 struct rtl8xxxu_priv *priv = hw->priv;
1209 u32 val32, rsr;
1210 u8 val8, opmode;
1211 bool ht = true;
1212 int sec_ch_above, channel;
1213 int i;
1214
1215 opmode = rtl8xxxu_read8(priv, REG_BW_OPMODE);
1216 rsr = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET);
1217 channel = hw->conf.chandef.chan->hw_value;
1218
1219 switch (hw->conf.chandef.width) {
1220 case NL80211_CHAN_WIDTH_20_NOHT:
1221 ht = false;
1222 fallthrough;
1223 case NL80211_CHAN_WIDTH_20:
1224 opmode |= BW_OPMODE_20MHZ;
1225 rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode);
1226
1227 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
1228 val32 &= ~FPGA_RF_MODE;
1229 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
1230
1231 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE);
1232 val32 &= ~FPGA_RF_MODE;
1233 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32);
1234
1235 val32 = rtl8xxxu_read32(priv, REG_FPGA0_ANALOG2);
1236 val32 |= FPGA0_ANALOG2_20MHZ;
1237 rtl8xxxu_write32(priv, REG_FPGA0_ANALOG2, val32);
1238 break;
1239 case NL80211_CHAN_WIDTH_40:
1240 if (hw->conf.chandef.center_freq1 >
1241 hw->conf.chandef.chan->center_freq) {
1242 sec_ch_above = 1;
1243 channel += 2;
1244 } else {
1245 sec_ch_above = 0;
1246 channel -= 2;
1247 }
1248
1249 opmode &= ~BW_OPMODE_20MHZ;
1250 rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode);
1251 rsr &= ~RSR_RSC_BANDWIDTH_40M;
1252 if (!sec_ch_above)
1253 rsr |= RSR_RSC_UPPER_SUB_CHANNEL;
1254 else
1255 rsr |= RSR_RSC_LOWER_SUB_CHANNEL;
1256 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, rsr);
1257
1258 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
1259 val32 |= FPGA_RF_MODE;
1260 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
1261
1262 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE);
1263 val32 |= FPGA_RF_MODE;
1264 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32);
1265
1266 /*
1267 * Set Control channel to upper or lower. These settings
1268 * are required only for 40MHz
1269 */
1270 val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM);
1271 val32 &= ~CCK0_SIDEBAND;
1272 if (!sec_ch_above)
1273 val32 |= CCK0_SIDEBAND;
1274 rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32);
1275
1276 val32 = rtl8xxxu_read32(priv, REG_OFDM1_LSTF);
1277 val32 &= ~OFDM_LSTF_PRIME_CH_MASK; /* 0xc00 */
1278 if (sec_ch_above)
1279 val32 |= OFDM_LSTF_PRIME_CH_LOW;
1280 else
1281 val32 |= OFDM_LSTF_PRIME_CH_HIGH;
1282 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32);
1283
1284 val32 = rtl8xxxu_read32(priv, REG_FPGA0_ANALOG2);
1285 val32 &= ~FPGA0_ANALOG2_20MHZ;
1286 rtl8xxxu_write32(priv, REG_FPGA0_ANALOG2, val32);
1287
1288 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE);
1289 val32 &= ~(FPGA0_PS_LOWER_CHANNEL | FPGA0_PS_UPPER_CHANNEL);
1290 if (sec_ch_above)
1291 val32 |= FPGA0_PS_UPPER_CHANNEL;
1292 else
1293 val32 |= FPGA0_PS_LOWER_CHANNEL;
1294 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32);
1295 break;
1296
1297 default:
1298 break;
1299 }
1300
1301 for (i = RF_A; i < priv->rf_paths; i++) {
1302 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG);
1303 val32 &= ~MODE_AG_CHANNEL_MASK;
1304 val32 |= channel;
1305 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32);
1306 }
1307
1308 if (ht)
1309 val8 = 0x0e;
1310 else
1311 val8 = 0x0a;
1312
1313 rtl8xxxu_write8(priv, REG_SIFS_CCK + 1, val8);
1314 rtl8xxxu_write8(priv, REG_SIFS_OFDM + 1, val8);
1315
1316 rtl8xxxu_write16(priv, REG_R2T_SIFS, 0x0808);
1317 rtl8xxxu_write16(priv, REG_T2T_SIFS, 0x0a0a);
1318
1319 for (i = RF_A; i < priv->rf_paths; i++) {
1320 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG);
1321 val32 &= ~MODE_AG_BW_MASK;
1322 if (hw->conf.chandef.width != NL80211_CHAN_WIDTH_40)
1323 val32 |= MODE_AG_CHANNEL_20MHZ;
1324 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32);
1325 }
1326 }
1327
rtl8xxxu_gen2_config_channel(struct ieee80211_hw * hw)1328 void rtl8xxxu_gen2_config_channel(struct ieee80211_hw *hw)
1329 {
1330 struct rtl8xxxu_priv *priv = hw->priv;
1331 u32 val32;
1332 u8 val8, subchannel;
1333 u16 rf_mode_bw;
1334 bool ht = true;
1335 int sec_ch_above, channel;
1336 int i;
1337
1338 rf_mode_bw = rtl8xxxu_read16(priv, REG_WMAC_TRXPTCL_CTL);
1339 rf_mode_bw &= ~WMAC_TRXPTCL_CTL_BW_MASK;
1340 channel = hw->conf.chandef.chan->hw_value;
1341
1342 /* Hack */
1343 subchannel = 0;
1344
1345 switch (hw->conf.chandef.width) {
1346 case NL80211_CHAN_WIDTH_20_NOHT:
1347 ht = false;
1348 fallthrough;
1349 case NL80211_CHAN_WIDTH_20:
1350 rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_20;
1351 subchannel = 0;
1352
1353 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
1354 val32 &= ~FPGA_RF_MODE;
1355 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
1356
1357 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE);
1358 val32 &= ~FPGA_RF_MODE;
1359 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32);
1360
1361 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT);
1362 val32 &= ~(BIT(30) | BIT(31));
1363 rtl8xxxu_write32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT, val32);
1364
1365 break;
1366 case NL80211_CHAN_WIDTH_40:
1367 rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_40;
1368
1369 if (hw->conf.chandef.center_freq1 >
1370 hw->conf.chandef.chan->center_freq) {
1371 sec_ch_above = 1;
1372 channel += 2;
1373 subchannel = 2;
1374 } else {
1375 sec_ch_above = 0;
1376 channel -= 2;
1377 subchannel = 1;
1378 }
1379
1380 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
1381 val32 |= FPGA_RF_MODE;
1382 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
1383
1384 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE);
1385 val32 |= FPGA_RF_MODE;
1386 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32);
1387
1388 /*
1389 * Set Control channel to upper or lower. These settings
1390 * are required only for 40MHz
1391 */
1392 val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM);
1393 val32 &= ~CCK0_SIDEBAND;
1394 if (!sec_ch_above)
1395 val32 |= CCK0_SIDEBAND;
1396 rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32);
1397
1398 val32 = rtl8xxxu_read32(priv, REG_OFDM1_LSTF);
1399 val32 &= ~OFDM_LSTF_PRIME_CH_MASK; /* 0xc00 */
1400 if (sec_ch_above)
1401 val32 |= OFDM_LSTF_PRIME_CH_LOW;
1402 else
1403 val32 |= OFDM_LSTF_PRIME_CH_HIGH;
1404 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32);
1405
1406 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE);
1407 val32 &= ~(FPGA0_PS_LOWER_CHANNEL | FPGA0_PS_UPPER_CHANNEL);
1408 if (sec_ch_above)
1409 val32 |= FPGA0_PS_UPPER_CHANNEL;
1410 else
1411 val32 |= FPGA0_PS_LOWER_CHANNEL;
1412 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32);
1413 break;
1414 case NL80211_CHAN_WIDTH_80:
1415 rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_80;
1416 break;
1417 default:
1418 break;
1419 }
1420
1421 for (i = RF_A; i < priv->rf_paths; i++) {
1422 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG);
1423 val32 &= ~MODE_AG_CHANNEL_MASK;
1424 val32 |= channel;
1425 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32);
1426 }
1427
1428 rtl8xxxu_write16(priv, REG_WMAC_TRXPTCL_CTL, rf_mode_bw);
1429 rtl8xxxu_write8(priv, REG_DATA_SUBCHANNEL, subchannel);
1430
1431 if (ht)
1432 val8 = 0x0e;
1433 else
1434 val8 = 0x0a;
1435
1436 rtl8xxxu_write8(priv, REG_SIFS_CCK + 1, val8);
1437 rtl8xxxu_write8(priv, REG_SIFS_OFDM + 1, val8);
1438
1439 rtl8xxxu_write16(priv, REG_R2T_SIFS, 0x0808);
1440 rtl8xxxu_write16(priv, REG_T2T_SIFS, 0x0a0a);
1441
1442 for (i = RF_A; i < priv->rf_paths; i++) {
1443 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG);
1444 val32 &= ~MODE_AG_BW_MASK;
1445 switch(hw->conf.chandef.width) {
1446 case NL80211_CHAN_WIDTH_80:
1447 val32 |= MODE_AG_BW_80MHZ_8723B;
1448 break;
1449 case NL80211_CHAN_WIDTH_40:
1450 val32 |= MODE_AG_BW_40MHZ_8723B;
1451 break;
1452 default:
1453 val32 |= MODE_AG_BW_20MHZ_8723B;
1454 break;
1455 }
1456 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32);
1457 }
1458 }
1459
1460 void
rtl8xxxu_gen1_set_tx_power(struct rtl8xxxu_priv * priv,int channel,bool ht40)1461 rtl8xxxu_gen1_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
1462 {
1463 struct rtl8xxxu_power_base *power_base = priv->power_base;
1464 u8 cck[RTL8723A_MAX_RF_PATHS], ofdm[RTL8723A_MAX_RF_PATHS];
1465 u8 ofdmbase[RTL8723A_MAX_RF_PATHS], mcsbase[RTL8723A_MAX_RF_PATHS];
1466 u32 val32, ofdm_a, ofdm_b, mcs_a, mcs_b;
1467 u8 val8, base;
1468 int group, i;
1469
1470 group = rtl8xxxu_gen1_channel_to_group(channel);
1471
1472 cck[0] = priv->cck_tx_power_index_A[group];
1473 cck[1] = priv->cck_tx_power_index_B[group];
1474
1475 if (priv->hi_pa) {
1476 if (cck[0] > 0x20)
1477 cck[0] = 0x20;
1478 if (cck[1] > 0x20)
1479 cck[1] = 0x20;
1480 }
1481
1482 ofdm[0] = priv->ht40_1s_tx_power_index_A[group];
1483 ofdm[1] = priv->ht40_1s_tx_power_index_B[group];
1484
1485 ofdmbase[0] = ofdm[0] + priv->ofdm_tx_power_index_diff[group].a;
1486 ofdmbase[1] = ofdm[1] + priv->ofdm_tx_power_index_diff[group].b;
1487
1488 mcsbase[0] = ofdm[0];
1489 mcsbase[1] = ofdm[1];
1490 if (!ht40) {
1491 mcsbase[0] += priv->ht20_tx_power_index_diff[group].a;
1492 mcsbase[1] += priv->ht20_tx_power_index_diff[group].b;
1493 }
1494
1495 if (priv->tx_paths > 1) {
1496 if (ofdm[0] > priv->ht40_2s_tx_power_index_diff[group].a)
1497 ofdm[0] -= priv->ht40_2s_tx_power_index_diff[group].a;
1498 if (ofdm[1] > priv->ht40_2s_tx_power_index_diff[group].b)
1499 ofdm[1] -= priv->ht40_2s_tx_power_index_diff[group].b;
1500 }
1501
1502 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_CHANNEL)
1503 dev_info(&priv->udev->dev,
1504 "%s: Setting TX power CCK A: %02x, "
1505 "CCK B: %02x, OFDM A: %02x, OFDM B: %02x\n",
1506 __func__, cck[0], cck[1], ofdm[0], ofdm[1]);
1507
1508 for (i = 0; i < RTL8723A_MAX_RF_PATHS; i++) {
1509 if (cck[i] > RF6052_MAX_TX_PWR)
1510 cck[i] = RF6052_MAX_TX_PWR;
1511 if (ofdm[i] > RF6052_MAX_TX_PWR)
1512 ofdm[i] = RF6052_MAX_TX_PWR;
1513 }
1514
1515 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32);
1516 val32 &= 0xffff00ff;
1517 val32 |= (cck[0] << 8);
1518 rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32);
1519
1520 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
1521 val32 &= 0xff;
1522 val32 |= ((cck[0] << 8) | (cck[0] << 16) | (cck[0] << 24));
1523 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
1524
1525 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11);
1526 val32 &= 0xffffff00;
1527 val32 |= cck[1];
1528 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32);
1529
1530 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK1_55_MCS32);
1531 val32 &= 0xff;
1532 val32 |= ((cck[1] << 8) | (cck[1] << 16) | (cck[1] << 24));
1533 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK1_55_MCS32, val32);
1534
1535 ofdm_a = ofdmbase[0] | ofdmbase[0] << 8 |
1536 ofdmbase[0] << 16 | ofdmbase[0] << 24;
1537 ofdm_b = ofdmbase[1] | ofdmbase[1] << 8 |
1538 ofdmbase[1] << 16 | ofdmbase[1] << 24;
1539
1540 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06,
1541 ofdm_a + power_base->reg_0e00);
1542 rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE18_06,
1543 ofdm_b + power_base->reg_0830);
1544
1545 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24,
1546 ofdm_a + power_base->reg_0e04);
1547 rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE54_24,
1548 ofdm_b + power_base->reg_0834);
1549
1550 mcs_a = mcsbase[0] | mcsbase[0] << 8 |
1551 mcsbase[0] << 16 | mcsbase[0] << 24;
1552 mcs_b = mcsbase[1] | mcsbase[1] << 8 |
1553 mcsbase[1] << 16 | mcsbase[1] << 24;
1554
1555 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00,
1556 mcs_a + power_base->reg_0e10);
1557 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS03_MCS00,
1558 mcs_b + power_base->reg_083c);
1559
1560 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04,
1561 mcs_a + power_base->reg_0e14);
1562 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS07_MCS04,
1563 mcs_b + power_base->reg_0848);
1564
1565 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08,
1566 mcs_a + power_base->reg_0e18);
1567 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS11_MCS08,
1568 mcs_b + power_base->reg_084c);
1569
1570 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12,
1571 mcs_a + power_base->reg_0e1c);
1572 val8 = u32_get_bits(mcs_a + power_base->reg_0e1c, 0xff000000);
1573 for (i = 0; i < 3; i++) {
1574 base = i != 2 ? 8 : 6;
1575 val8 = max_t(int, val8 - base, 0);
1576 rtl8xxxu_write8(priv, REG_OFDM0_XC_TX_IQ_IMBALANCE + i, val8);
1577 }
1578
1579 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12,
1580 mcs_b + power_base->reg_0868);
1581 val8 = u32_get_bits(mcs_b + power_base->reg_0868, 0xff000000);
1582 for (i = 0; i < 3; i++) {
1583 base = i != 2 ? 8 : 6;
1584 val8 = max_t(int, val8 - base, 0);
1585 rtl8xxxu_write8(priv, REG_OFDM0_XD_TX_IQ_IMBALANCE + i, val8);
1586 }
1587 }
1588
rtl8xxxu_set_linktype(struct rtl8xxxu_priv * priv,enum nl80211_iftype linktype,int port_num)1589 static void rtl8xxxu_set_linktype(struct rtl8xxxu_priv *priv,
1590 enum nl80211_iftype linktype, int port_num)
1591 {
1592 u8 val8, type;
1593
1594 switch (linktype) {
1595 case NL80211_IFTYPE_UNSPECIFIED:
1596 type = MSR_LINKTYPE_NONE;
1597 break;
1598 case NL80211_IFTYPE_ADHOC:
1599 type = MSR_LINKTYPE_ADHOC;
1600 break;
1601 case NL80211_IFTYPE_STATION:
1602 type = MSR_LINKTYPE_STATION;
1603 break;
1604 case NL80211_IFTYPE_AP:
1605 type = MSR_LINKTYPE_AP;
1606 break;
1607 default:
1608 return;
1609 }
1610
1611 switch (port_num) {
1612 case 0:
1613 val8 = rtl8xxxu_read8(priv, REG_MSR) & 0x0c;
1614 val8 |= type;
1615 break;
1616 case 1:
1617 val8 = rtl8xxxu_read8(priv, REG_MSR) & 0x03;
1618 val8 |= type << 2;
1619 break;
1620 default:
1621 return;
1622 }
1623
1624 rtl8xxxu_write8(priv, REG_MSR, val8);
1625 }
1626
1627 static void
rtl8xxxu_set_retry(struct rtl8xxxu_priv * priv,u16 short_retry,u16 long_retry)1628 rtl8xxxu_set_retry(struct rtl8xxxu_priv *priv, u16 short_retry, u16 long_retry)
1629 {
1630 u16 val16;
1631
1632 val16 = ((short_retry << RETRY_LIMIT_SHORT_SHIFT) &
1633 RETRY_LIMIT_SHORT_MASK) |
1634 ((long_retry << RETRY_LIMIT_LONG_SHIFT) &
1635 RETRY_LIMIT_LONG_MASK);
1636
1637 rtl8xxxu_write16(priv, REG_RETRY_LIMIT, val16);
1638 }
1639
1640 static void
rtl8xxxu_set_spec_sifs(struct rtl8xxxu_priv * priv,u16 cck,u16 ofdm)1641 rtl8xxxu_set_spec_sifs(struct rtl8xxxu_priv *priv, u16 cck, u16 ofdm)
1642 {
1643 u16 val16;
1644
1645 val16 = ((cck << SPEC_SIFS_CCK_SHIFT) & SPEC_SIFS_CCK_MASK) |
1646 ((ofdm << SPEC_SIFS_OFDM_SHIFT) & SPEC_SIFS_OFDM_MASK);
1647
1648 rtl8xxxu_write16(priv, REG_SPEC_SIFS, val16);
1649 }
1650
rtl8xxxu_print_chipinfo(struct rtl8xxxu_priv * priv)1651 static void rtl8xxxu_print_chipinfo(struct rtl8xxxu_priv *priv)
1652 {
1653 struct device *dev = &priv->udev->dev;
1654 char cut = 'A' + priv->chip_cut;
1655
1656 dev_info(dev,
1657 "RTL%s rev %c (%s) romver %d, %iT%iR, TX queues %i, WiFi=%i, BT=%i, GPS=%i, HI PA=%i\n",
1658 priv->chip_name, cut, priv->chip_vendor, priv->rom_rev,
1659 priv->tx_paths, priv->rx_paths, priv->ep_tx_count,
1660 priv->has_wifi, priv->has_bluetooth, priv->has_gps,
1661 priv->hi_pa);
1662
1663 dev_info(dev, "RTL%s MAC: %pM\n", priv->chip_name, priv->mac_addr);
1664 }
1665
rtl8xxxu_identify_vendor_1bit(struct rtl8xxxu_priv * priv,u32 vendor)1666 void rtl8xxxu_identify_vendor_1bit(struct rtl8xxxu_priv *priv, u32 vendor)
1667 {
1668 if (vendor) {
1669 strscpy(priv->chip_vendor, "UMC", sizeof(priv->chip_vendor));
1670 priv->vendor_umc = 1;
1671 } else {
1672 strscpy(priv->chip_vendor, "TSMC", sizeof(priv->chip_vendor));
1673 }
1674 }
1675
rtl8xxxu_identify_vendor_2bits(struct rtl8xxxu_priv * priv,u32 vendor)1676 void rtl8xxxu_identify_vendor_2bits(struct rtl8xxxu_priv *priv, u32 vendor)
1677 {
1678 switch (vendor) {
1679 case SYS_CFG_VENDOR_ID_TSMC:
1680 strscpy(priv->chip_vendor, "TSMC", sizeof(priv->chip_vendor));
1681 break;
1682 case SYS_CFG_VENDOR_ID_SMIC:
1683 strscpy(priv->chip_vendor, "SMIC", sizeof(priv->chip_vendor));
1684 priv->vendor_smic = 1;
1685 break;
1686 case SYS_CFG_VENDOR_ID_UMC:
1687 strscpy(priv->chip_vendor, "UMC", sizeof(priv->chip_vendor));
1688 priv->vendor_umc = 1;
1689 break;
1690 default:
1691 strscpy(priv->chip_vendor, "unknown", sizeof(priv->chip_vendor));
1692 }
1693 }
1694
rtl8xxxu_config_endpoints_sie(struct rtl8xxxu_priv * priv)1695 void rtl8xxxu_config_endpoints_sie(struct rtl8xxxu_priv *priv)
1696 {
1697 u16 val16;
1698
1699 val16 = rtl8xxxu_read16(priv, REG_NORMAL_SIE_EP_TX);
1700
1701 if (val16 & NORMAL_SIE_EP_TX_HIGH_MASK) {
1702 priv->ep_tx_high_queue = 1;
1703 priv->ep_tx_count++;
1704 }
1705
1706 if (val16 & NORMAL_SIE_EP_TX_NORMAL_MASK) {
1707 priv->ep_tx_normal_queue = 1;
1708 priv->ep_tx_count++;
1709 }
1710
1711 if (val16 & NORMAL_SIE_EP_TX_LOW_MASK) {
1712 priv->ep_tx_low_queue = 1;
1713 priv->ep_tx_count++;
1714 }
1715 }
1716
rtl8xxxu_config_endpoints_no_sie(struct rtl8xxxu_priv * priv)1717 int rtl8xxxu_config_endpoints_no_sie(struct rtl8xxxu_priv *priv)
1718 {
1719 struct device *dev = &priv->udev->dev;
1720
1721 switch (priv->nr_out_eps) {
1722 case 6:
1723 case 5:
1724 case 4:
1725 case 3:
1726 priv->ep_tx_low_queue = 1;
1727 priv->ep_tx_count++;
1728 fallthrough;
1729 case 2:
1730 priv->ep_tx_normal_queue = 1;
1731 priv->ep_tx_count++;
1732 fallthrough;
1733 case 1:
1734 priv->ep_tx_high_queue = 1;
1735 priv->ep_tx_count++;
1736 break;
1737 default:
1738 dev_info(dev, "Unsupported USB TX end-points\n");
1739 return -ENOTSUPP;
1740 }
1741
1742 return 0;
1743 }
1744
1745 int
rtl8xxxu_read_efuse8(struct rtl8xxxu_priv * priv,u16 offset,u8 * data)1746 rtl8xxxu_read_efuse8(struct rtl8xxxu_priv *priv, u16 offset, u8 *data)
1747 {
1748 int i;
1749 u8 val8;
1750 u32 val32;
1751
1752 /* Write Address */
1753 rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 1, offset & 0xff);
1754 val8 = rtl8xxxu_read8(priv, REG_EFUSE_CTRL + 2);
1755 val8 &= 0xfc;
1756 val8 |= (offset >> 8) & 0x03;
1757 rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 2, val8);
1758
1759 val8 = rtl8xxxu_read8(priv, REG_EFUSE_CTRL + 3);
1760 rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 3, val8 & 0x7f);
1761
1762 /* Poll for data read */
1763 val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL);
1764 for (i = 0; i < RTL8XXXU_MAX_REG_POLL; i++) {
1765 val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL);
1766 if (val32 & BIT(31))
1767 break;
1768 }
1769
1770 if (i == RTL8XXXU_MAX_REG_POLL)
1771 return -EIO;
1772
1773 udelay(50);
1774 val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL);
1775
1776 *data = val32 & 0xff;
1777 return 0;
1778 }
1779
rtl8xxxu_read_efuse(struct rtl8xxxu_priv * priv)1780 int rtl8xxxu_read_efuse(struct rtl8xxxu_priv *priv)
1781 {
1782 struct device *dev = &priv->udev->dev;
1783 int i, ret = 0;
1784 u8 val8, word_mask, header, extheader;
1785 u16 val16, efuse_addr, offset;
1786 u32 val32;
1787
1788 val16 = rtl8xxxu_read16(priv, REG_9346CR);
1789 if (val16 & EEPROM_ENABLE)
1790 priv->has_eeprom = 1;
1791 if (val16 & EEPROM_BOOT)
1792 priv->boot_eeprom = 1;
1793
1794 if (priv->is_multi_func) {
1795 val32 = rtl8xxxu_read32(priv, REG_EFUSE_TEST);
1796 val32 = (val32 & ~EFUSE_SELECT_MASK) | EFUSE_WIFI_SELECT;
1797 rtl8xxxu_write32(priv, REG_EFUSE_TEST, val32);
1798 }
1799
1800 dev_dbg(dev, "Booting from %s\n",
1801 priv->boot_eeprom ? "EEPROM" : "EFUSE");
1802
1803 rtl8xxxu_write8(priv, REG_EFUSE_ACCESS, EFUSE_ACCESS_ENABLE);
1804
1805 /* 1.2V Power: From VDDON with Power Cut(0x0000[15]), default valid */
1806 val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL);
1807 if (!(val16 & SYS_ISO_PWC_EV12V)) {
1808 val16 |= SYS_ISO_PWC_EV12V;
1809 rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val16);
1810 }
1811 /* Reset: 0x0000[28], default valid */
1812 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1813 if (!(val16 & SYS_FUNC_ELDR)) {
1814 val16 |= SYS_FUNC_ELDR;
1815 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
1816 }
1817
1818 /*
1819 * Clock: Gated(0x0008[5]) 8M(0x0008[1]) clock from ANA, default valid
1820 */
1821 val16 = rtl8xxxu_read16(priv, REG_SYS_CLKR);
1822 if (!(val16 & SYS_CLK_LOADER_ENABLE) || !(val16 & SYS_CLK_ANA8M)) {
1823 val16 |= (SYS_CLK_LOADER_ENABLE | SYS_CLK_ANA8M);
1824 rtl8xxxu_write16(priv, REG_SYS_CLKR, val16);
1825 }
1826
1827 /* Default value is 0xff */
1828 memset(priv->efuse_wifi.raw, 0xff, EFUSE_MAP_LEN);
1829
1830 efuse_addr = 0;
1831 while (efuse_addr < EFUSE_REAL_CONTENT_LEN_8723A) {
1832 u16 map_addr;
1833
1834 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &header);
1835 if (ret || header == 0xff)
1836 goto exit;
1837
1838 if ((header & 0x1f) == 0x0f) { /* extended header */
1839 offset = (header & 0xe0) >> 5;
1840
1841 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++,
1842 &extheader);
1843 if (ret)
1844 goto exit;
1845 /* All words disabled */
1846 if ((extheader & 0x0f) == 0x0f)
1847 continue;
1848
1849 offset |= ((extheader & 0xf0) >> 1);
1850 word_mask = extheader & 0x0f;
1851 } else {
1852 offset = (header >> 4) & 0x0f;
1853 word_mask = header & 0x0f;
1854 }
1855
1856 /* Get word enable value from PG header */
1857
1858 /* We have 8 bits to indicate validity */
1859 map_addr = offset * 8;
1860 for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
1861 /* Check word enable condition in the section */
1862 if (word_mask & BIT(i)) {
1863 map_addr += 2;
1864 continue;
1865 }
1866
1867 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &val8);
1868 if (ret)
1869 goto exit;
1870 if (map_addr >= EFUSE_MAP_LEN - 1) {
1871 dev_warn(dev, "%s: Illegal map_addr (%04x), "
1872 "efuse corrupt!\n",
1873 __func__, map_addr);
1874 ret = -EINVAL;
1875 goto exit;
1876 }
1877 priv->efuse_wifi.raw[map_addr++] = val8;
1878
1879 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &val8);
1880 if (ret)
1881 goto exit;
1882 priv->efuse_wifi.raw[map_addr++] = val8;
1883 }
1884 }
1885
1886 exit:
1887 rtl8xxxu_write8(priv, REG_EFUSE_ACCESS, EFUSE_ACCESS_DISABLE);
1888
1889 return ret;
1890 }
1891
rtl8xxxu_dump_efuse(struct rtl8xxxu_priv * priv)1892 static void rtl8xxxu_dump_efuse(struct rtl8xxxu_priv *priv)
1893 {
1894 dev_info(&priv->udev->dev,
1895 "Dumping efuse for RTL%s (0x%02x bytes):\n",
1896 priv->chip_name, EFUSE_MAP_LEN);
1897
1898 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
1899 priv->efuse_wifi.raw, EFUSE_MAP_LEN, true);
1900 }
1901
read_file_efuse(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)1902 static ssize_t read_file_efuse(struct file *file, char __user *user_buf,
1903 size_t count, loff_t *ppos)
1904 {
1905 struct rtl8xxxu_priv *priv = file_inode(file)->i_private;
1906
1907 return simple_read_from_buffer(user_buf, count, ppos,
1908 priv->efuse_wifi.raw, EFUSE_MAP_LEN);
1909 }
1910
1911 static const struct debugfs_short_fops fops_efuse = {
1912 .read = read_file_efuse,
1913 };
1914
rtl8xxxu_debugfs_init(struct rtl8xxxu_priv * priv)1915 static void rtl8xxxu_debugfs_init(struct rtl8xxxu_priv *priv)
1916 {
1917 struct dentry *phydir;
1918
1919 phydir = debugfs_create_dir("rtl8xxxu", priv->hw->wiphy->debugfsdir);
1920 debugfs_create_file("efuse", 0400, phydir, priv, &fops_efuse);
1921 }
1922
rtl8xxxu_reset_8051(struct rtl8xxxu_priv * priv)1923 void rtl8xxxu_reset_8051(struct rtl8xxxu_priv *priv)
1924 {
1925 u8 val8;
1926 u16 sys_func;
1927
1928 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
1929 val8 &= ~BIT(0);
1930 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
1931
1932 sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
1933 sys_func &= ~SYS_FUNC_CPU_ENABLE;
1934 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
1935
1936 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
1937 val8 |= BIT(0);
1938 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
1939
1940 sys_func |= SYS_FUNC_CPU_ENABLE;
1941 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
1942 }
1943
rtl8xxxu_start_firmware(struct rtl8xxxu_priv * priv)1944 static int rtl8xxxu_start_firmware(struct rtl8xxxu_priv *priv)
1945 {
1946 struct device *dev = &priv->udev->dev;
1947 u16 reg_mcu_fw_dl;
1948 int ret = 0, i;
1949 u32 val32;
1950
1951 if (priv->rtl_chip == RTL8710B)
1952 reg_mcu_fw_dl = REG_8051FW_CTRL_V1_8710B;
1953 else
1954 reg_mcu_fw_dl = REG_MCU_FW_DL;
1955
1956 /* Poll checksum report */
1957 for (i = 0; i < RTL8XXXU_FIRMWARE_POLL_MAX; i++) {
1958 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl);
1959 if (val32 & MCU_FW_DL_CSUM_REPORT)
1960 break;
1961 }
1962
1963 if (i == RTL8XXXU_FIRMWARE_POLL_MAX) {
1964 dev_warn(dev, "Firmware checksum poll timed out\n");
1965 ret = -EAGAIN;
1966 goto exit;
1967 }
1968
1969 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl);
1970 val32 |= MCU_FW_DL_READY;
1971 val32 &= ~MCU_WINT_INIT_READY;
1972 rtl8xxxu_write32(priv, reg_mcu_fw_dl, val32);
1973
1974 /*
1975 * Reset the 8051 in order for the firmware to start running,
1976 * otherwise it won't come up on the 8192eu
1977 */
1978 priv->fops->reset_8051(priv);
1979
1980 /* Wait for firmware to become ready */
1981 for (i = 0; i < RTL8XXXU_FIRMWARE_POLL_MAX; i++) {
1982 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl);
1983 if (val32 & MCU_WINT_INIT_READY)
1984 break;
1985
1986 udelay(100);
1987 }
1988
1989 if (i == RTL8XXXU_FIRMWARE_POLL_MAX) {
1990 dev_warn(dev, "Firmware failed to start\n");
1991 ret = -EAGAIN;
1992 goto exit;
1993 }
1994
1995 /*
1996 * Init H2C command
1997 */
1998 if (priv->fops->init_reg_hmtfr)
1999 rtl8xxxu_write8(priv, REG_HMTFR, 0x0f);
2000 exit:
2001 return ret;
2002 }
2003
rtl8xxxu_download_firmware(struct rtl8xxxu_priv * priv)2004 static int rtl8xxxu_download_firmware(struct rtl8xxxu_priv *priv)
2005 {
2006 int pages, remainder, i, ret;
2007 u16 reg_fw_start_address;
2008 u16 reg_mcu_fw_dl;
2009 u8 val8;
2010 u16 val16;
2011 u32 val32;
2012 u8 *fwptr;
2013
2014 if (priv->rtl_chip == RTL8192F)
2015 reg_fw_start_address = REG_FW_START_ADDRESS_8192F;
2016 else
2017 reg_fw_start_address = REG_FW_START_ADDRESS;
2018
2019 if (priv->rtl_chip == RTL8710B) {
2020 reg_mcu_fw_dl = REG_8051FW_CTRL_V1_8710B;
2021 } else {
2022 reg_mcu_fw_dl = REG_MCU_FW_DL;
2023
2024 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC + 1);
2025 val8 |= 4;
2026 rtl8xxxu_write8(priv, REG_SYS_FUNC + 1, val8);
2027
2028 /* 8051 enable */
2029 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
2030 val16 |= SYS_FUNC_CPU_ENABLE;
2031 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
2032 }
2033
2034 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl);
2035 if (val8 & MCU_FW_RAM_SEL) {
2036 dev_info(&priv->udev->dev,
2037 "Firmware is already running, resetting the MCU.\n");
2038 rtl8xxxu_write8(priv, reg_mcu_fw_dl, 0x00);
2039 priv->fops->reset_8051(priv);
2040 }
2041
2042 /* MCU firmware download enable */
2043 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl);
2044 val8 |= MCU_FW_DL_ENABLE;
2045 rtl8xxxu_write8(priv, reg_mcu_fw_dl, val8);
2046
2047 /* 8051 reset */
2048 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl);
2049 val32 &= ~BIT(19);
2050 rtl8xxxu_write32(priv, reg_mcu_fw_dl, val32);
2051
2052 if (priv->rtl_chip == RTL8710B) {
2053 /* We must set 0x8090[8]=1 before download FW. */
2054 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl + 1);
2055 val8 |= BIT(0);
2056 rtl8xxxu_write8(priv, reg_mcu_fw_dl + 1, val8);
2057 }
2058
2059 /* Reset firmware download checksum */
2060 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl);
2061 val8 |= MCU_FW_DL_CSUM_REPORT;
2062 rtl8xxxu_write8(priv, reg_mcu_fw_dl, val8);
2063
2064 pages = priv->fw_size / RTL_FW_PAGE_SIZE;
2065 remainder = priv->fw_size % RTL_FW_PAGE_SIZE;
2066
2067 fwptr = priv->fw_data->data;
2068
2069 for (i = 0; i < pages; i++) {
2070 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl + 2) & 0xF8;
2071 val8 |= i;
2072 rtl8xxxu_write8(priv, reg_mcu_fw_dl + 2, val8);
2073
2074 ret = rtl8xxxu_writeN(priv, reg_fw_start_address,
2075 fwptr, RTL_FW_PAGE_SIZE);
2076 if (ret != RTL_FW_PAGE_SIZE) {
2077 ret = -EAGAIN;
2078 goto fw_abort;
2079 }
2080
2081 fwptr += RTL_FW_PAGE_SIZE;
2082 }
2083
2084 if (remainder) {
2085 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl + 2) & 0xF8;
2086 val8 |= i;
2087 rtl8xxxu_write8(priv, reg_mcu_fw_dl + 2, val8);
2088 ret = rtl8xxxu_writeN(priv, reg_fw_start_address,
2089 fwptr, remainder);
2090 if (ret != remainder) {
2091 ret = -EAGAIN;
2092 goto fw_abort;
2093 }
2094 }
2095
2096 ret = 0;
2097 fw_abort:
2098 /* MCU firmware download disable */
2099 val16 = rtl8xxxu_read16(priv, reg_mcu_fw_dl);
2100 val16 &= ~MCU_FW_DL_ENABLE;
2101 rtl8xxxu_write16(priv, reg_mcu_fw_dl, val16);
2102
2103 return ret;
2104 }
2105
rtl8xxxu_load_firmware(struct rtl8xxxu_priv * priv,const char * fw_name)2106 int rtl8xxxu_load_firmware(struct rtl8xxxu_priv *priv, const char *fw_name)
2107 {
2108 struct device *dev = &priv->udev->dev;
2109 const struct firmware *fw;
2110 int ret = 0;
2111 u16 signature;
2112
2113 dev_info(dev, "%s: Loading firmware %s\n", DRIVER_NAME, fw_name);
2114 if (request_firmware(&fw, fw_name, &priv->udev->dev)) {
2115 dev_warn(dev, "request_firmware(%s) failed\n", fw_name);
2116 ret = -EAGAIN;
2117 goto exit;
2118 }
2119 if (!fw) {
2120 dev_warn(dev, "Firmware data not available\n");
2121 ret = -EINVAL;
2122 goto exit;
2123 }
2124
2125 priv->fw_data = kmemdup(fw->data, fw->size, GFP_KERNEL);
2126 if (!priv->fw_data) {
2127 ret = -ENOMEM;
2128 goto exit;
2129 }
2130 priv->fw_size = fw->size - sizeof(struct rtl8xxxu_firmware_header);
2131
2132 signature = le16_to_cpu(priv->fw_data->signature);
2133 switch (signature & 0xfff0) {
2134 case 0x92e0:
2135 case 0x92c0:
2136 case 0x88e0:
2137 case 0x88c0:
2138 case 0x5300:
2139 case 0x2300:
2140 case 0x88f0:
2141 case 0x10b0:
2142 case 0x92f0:
2143 break;
2144 default:
2145 ret = -EINVAL;
2146 dev_warn(dev, "%s: Invalid firmware signature: 0x%04x\n",
2147 __func__, signature);
2148 }
2149
2150 dev_info(dev, "Firmware revision %i.%i (signature 0x%04x)\n",
2151 le16_to_cpu(priv->fw_data->major_version),
2152 priv->fw_data->minor_version, signature);
2153
2154 exit:
2155 release_firmware(fw);
2156 return ret;
2157 }
2158
rtl8xxxu_firmware_self_reset(struct rtl8xxxu_priv * priv)2159 void rtl8xxxu_firmware_self_reset(struct rtl8xxxu_priv *priv)
2160 {
2161 u16 val16;
2162 int i = 100;
2163
2164 /* Inform 8051 to perform reset */
2165 rtl8xxxu_write8(priv, REG_HMTFR + 3, 0x20);
2166
2167 for (i = 100; i > 0; i--) {
2168 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
2169
2170 if (!(val16 & SYS_FUNC_CPU_ENABLE)) {
2171 dev_dbg(&priv->udev->dev,
2172 "%s: Firmware self reset success!\n", __func__);
2173 break;
2174 }
2175 udelay(50);
2176 }
2177
2178 if (!i) {
2179 /* Force firmware reset */
2180 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
2181 val16 &= ~SYS_FUNC_CPU_ENABLE;
2182 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
2183 }
2184 }
2185
2186 static int
rtl8xxxu_init_mac(struct rtl8xxxu_priv * priv)2187 rtl8xxxu_init_mac(struct rtl8xxxu_priv *priv)
2188 {
2189 const struct rtl8xxxu_reg8val *array = priv->fops->mactable;
2190 int i, ret;
2191 u16 reg;
2192 u8 val;
2193
2194 for (i = 0; ; i++) {
2195 reg = array[i].reg;
2196 val = array[i].val;
2197
2198 if (reg == 0xffff && val == 0xff)
2199 break;
2200
2201 ret = rtl8xxxu_write8(priv, reg, val);
2202 if (ret != 1) {
2203 dev_warn(&priv->udev->dev,
2204 "Failed to initialize MAC "
2205 "(reg: %04x, val %02x)\n", reg, val);
2206 return -EAGAIN;
2207 }
2208 }
2209
2210 switch (priv->rtl_chip) {
2211 case RTL8188C:
2212 case RTL8188R:
2213 case RTL8191C:
2214 case RTL8192C:
2215 case RTL8723A:
2216 rtl8xxxu_write8(priv, REG_MAX_AGGR_NUM, 0x0a);
2217 break;
2218 case RTL8188E:
2219 rtl8xxxu_write16(priv, REG_MAX_AGGR_NUM, 0x0707);
2220 break;
2221 default:
2222 break;
2223 }
2224
2225 return 0;
2226 }
2227
rtl8xxxu_init_phy_regs(struct rtl8xxxu_priv * priv,const struct rtl8xxxu_reg32val * array)2228 int rtl8xxxu_init_phy_regs(struct rtl8xxxu_priv *priv,
2229 const struct rtl8xxxu_reg32val *array)
2230 {
2231 int i, ret;
2232 u16 reg;
2233 u32 val;
2234
2235 for (i = 0; ; i++) {
2236 reg = array[i].reg;
2237 val = array[i].val;
2238
2239 if (reg == 0xffff && val == 0xffffffff)
2240 break;
2241
2242 ret = rtl8xxxu_write32(priv, reg, val);
2243 if (ret != sizeof(val)) {
2244 dev_warn(&priv->udev->dev,
2245 "Failed to initialize PHY\n");
2246 return -EAGAIN;
2247 }
2248 udelay(1);
2249 }
2250
2251 return 0;
2252 }
2253
rtl8xxxu_gen1_init_phy_bb(struct rtl8xxxu_priv * priv)2254 void rtl8xxxu_gen1_init_phy_bb(struct rtl8xxxu_priv *priv)
2255 {
2256 u8 val8, ldoa15, ldov12d, lpldo, ldohci12;
2257 u16 val16;
2258 u32 val32;
2259
2260 val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL);
2261 udelay(2);
2262 val8 |= AFE_PLL_320_ENABLE;
2263 rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8);
2264 udelay(2);
2265
2266 rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL + 1, 0xff);
2267 udelay(2);
2268
2269 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC);
2270 val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB;
2271 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16);
2272
2273 val32 = rtl8xxxu_read32(priv, REG_AFE_XTAL_CTRL);
2274 val32 &= ~AFE_XTAL_RF_GATE;
2275 if (priv->has_bluetooth)
2276 val32 &= ~AFE_XTAL_BT_GATE;
2277 rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, val32);
2278
2279 /* 6. 0x1f[7:0] = 0x07 */
2280 val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB;
2281 rtl8xxxu_write8(priv, REG_RF_CTRL, val8);
2282
2283 if (priv->hi_pa)
2284 rtl8xxxu_init_phy_regs(priv, rtl8188ru_phy_1t_highpa_table);
2285 else if (priv->tx_paths == 2)
2286 rtl8xxxu_init_phy_regs(priv, rtl8192cu_phy_2t_init_table);
2287 else
2288 rtl8xxxu_init_phy_regs(priv, rtl8723a_phy_1t_init_table);
2289
2290 if (priv->rtl_chip == RTL8188R && priv->hi_pa &&
2291 priv->vendor_umc && priv->chip_cut == 1)
2292 rtl8xxxu_write8(priv, REG_OFDM0_AGC_PARM1 + 2, 0x50);
2293
2294 if (priv->hi_pa)
2295 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_highpa_table);
2296 else
2297 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_standard_table);
2298
2299 ldoa15 = LDOA15_ENABLE | LDOA15_OBUF;
2300 ldov12d = LDOV12D_ENABLE | BIT(2) | (2 << LDOV12D_VADJ_SHIFT);
2301 ldohci12 = 0x57;
2302 lpldo = 1;
2303 val32 = (lpldo << 24) | (ldohci12 << 16) | (ldov12d << 8) | ldoa15;
2304 rtl8xxxu_write32(priv, REG_LDOA15_CTRL, val32);
2305 }
2306
2307 /*
2308 * Most of this is black magic retrieved from the old rtl8723au driver
2309 */
rtl8xxxu_init_phy_bb(struct rtl8xxxu_priv * priv)2310 static int rtl8xxxu_init_phy_bb(struct rtl8xxxu_priv *priv)
2311 {
2312 u32 val32;
2313
2314 priv->fops->init_phy_bb(priv);
2315
2316 if (priv->tx_paths == 1 && priv->rx_paths == 2) {
2317 /*
2318 * For 1T2R boards, patch the registers.
2319 *
2320 * It looks like 8191/2 1T2R boards use path B for TX
2321 */
2322 val32 = rtl8xxxu_read32(priv, REG_FPGA0_TX_INFO);
2323 val32 &= ~(BIT(0) | BIT(1));
2324 val32 |= BIT(1);
2325 rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, val32);
2326
2327 val32 = rtl8xxxu_read32(priv, REG_FPGA1_TX_INFO);
2328 val32 &= ~0x300033;
2329 val32 |= 0x200022;
2330 rtl8xxxu_write32(priv, REG_FPGA1_TX_INFO, val32);
2331
2332 val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING);
2333 val32 &= ~CCK0_AFE_RX_MASK;
2334 val32 &= 0x00ffffff;
2335 val32 |= 0x40000000;
2336 val32 |= CCK0_AFE_RX_ANT_B;
2337 rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32);
2338
2339 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE);
2340 val32 &= ~(OFDM_RF_PATH_RX_MASK | OFDM_RF_PATH_TX_MASK);
2341 val32 |= (OFDM_RF_PATH_RX_A | OFDM_RF_PATH_RX_B |
2342 OFDM_RF_PATH_TX_B);
2343 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32);
2344
2345 val32 = rtl8xxxu_read32(priv, REG_OFDM0_AGC_PARM1);
2346 val32 &= ~(BIT(4) | BIT(5));
2347 val32 |= BIT(4);
2348 rtl8xxxu_write32(priv, REG_OFDM0_AGC_PARM1, val32);
2349
2350 val32 = rtl8xxxu_read32(priv, REG_TX_CCK_RFON);
2351 val32 &= ~(BIT(27) | BIT(26));
2352 val32 |= BIT(27);
2353 rtl8xxxu_write32(priv, REG_TX_CCK_RFON, val32);
2354
2355 val32 = rtl8xxxu_read32(priv, REG_TX_CCK_BBON);
2356 val32 &= ~(BIT(27) | BIT(26));
2357 val32 |= BIT(27);
2358 rtl8xxxu_write32(priv, REG_TX_CCK_BBON, val32);
2359
2360 val32 = rtl8xxxu_read32(priv, REG_TX_OFDM_RFON);
2361 val32 &= ~(BIT(27) | BIT(26));
2362 val32 |= BIT(27);
2363 rtl8xxxu_write32(priv, REG_TX_OFDM_RFON, val32);
2364
2365 val32 = rtl8xxxu_read32(priv, REG_TX_OFDM_BBON);
2366 val32 &= ~(BIT(27) | BIT(26));
2367 val32 |= BIT(27);
2368 rtl8xxxu_write32(priv, REG_TX_OFDM_BBON, val32);
2369
2370 val32 = rtl8xxxu_read32(priv, REG_TX_TO_TX);
2371 val32 &= ~(BIT(27) | BIT(26));
2372 val32 |= BIT(27);
2373 rtl8xxxu_write32(priv, REG_TX_TO_TX, val32);
2374 }
2375
2376 if (priv->fops->set_crystal_cap)
2377 priv->fops->set_crystal_cap(priv, priv->default_crystal_cap);
2378
2379 if (priv->rtl_chip == RTL8192E)
2380 rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, 0x000f81fb);
2381
2382 return 0;
2383 }
2384
rtl8xxxu_init_rf_regs(struct rtl8xxxu_priv * priv,const struct rtl8xxxu_rfregval * array,enum rtl8xxxu_rfpath path)2385 static int rtl8xxxu_init_rf_regs(struct rtl8xxxu_priv *priv,
2386 const struct rtl8xxxu_rfregval *array,
2387 enum rtl8xxxu_rfpath path)
2388 {
2389 int i, ret;
2390 u8 reg;
2391 u32 val;
2392
2393 for (i = 0; ; i++) {
2394 reg = array[i].reg;
2395 val = array[i].val;
2396
2397 if (reg == 0xff && val == 0xffffffff)
2398 break;
2399
2400 switch (reg) {
2401 case 0xfe:
2402 msleep(50);
2403 continue;
2404 case 0xfd:
2405 mdelay(5);
2406 continue;
2407 case 0xfc:
2408 mdelay(1);
2409 continue;
2410 case 0xfb:
2411 udelay(50);
2412 continue;
2413 case 0xfa:
2414 udelay(5);
2415 continue;
2416 case 0xf9:
2417 udelay(1);
2418 continue;
2419 }
2420
2421 ret = rtl8xxxu_write_rfreg(priv, path, reg, val);
2422 if (ret) {
2423 dev_warn(&priv->udev->dev,
2424 "Failed to initialize RF\n");
2425 return -EAGAIN;
2426 }
2427 udelay(1);
2428 }
2429
2430 return 0;
2431 }
2432
rtl8xxxu_init_phy_rf(struct rtl8xxxu_priv * priv,const struct rtl8xxxu_rfregval * table,enum rtl8xxxu_rfpath path)2433 int rtl8xxxu_init_phy_rf(struct rtl8xxxu_priv *priv,
2434 const struct rtl8xxxu_rfregval *table,
2435 enum rtl8xxxu_rfpath path)
2436 {
2437 u32 val32;
2438 u16 val16, rfsi_rfenv;
2439 u16 reg_sw_ctrl, reg_int_oe, reg_hssi_parm2;
2440
2441 switch (path) {
2442 case RF_A:
2443 reg_sw_ctrl = REG_FPGA0_XA_RF_SW_CTRL;
2444 reg_int_oe = REG_FPGA0_XA_RF_INT_OE;
2445 reg_hssi_parm2 = REG_FPGA0_XA_HSSI_PARM2;
2446 break;
2447 case RF_B:
2448 reg_sw_ctrl = REG_FPGA0_XB_RF_SW_CTRL;
2449 reg_int_oe = REG_FPGA0_XB_RF_INT_OE;
2450 reg_hssi_parm2 = REG_FPGA0_XB_HSSI_PARM2;
2451 break;
2452 default:
2453 dev_err(&priv->udev->dev, "%s:Unsupported RF path %c\n",
2454 __func__, path + 'A');
2455 return -EINVAL;
2456 }
2457 /* For path B, use XB */
2458 rfsi_rfenv = rtl8xxxu_read16(priv, reg_sw_ctrl);
2459 rfsi_rfenv &= FPGA0_RF_RFENV;
2460
2461 /*
2462 * These two we might be able to optimize into one
2463 */
2464 val32 = rtl8xxxu_read32(priv, reg_int_oe);
2465 val32 |= BIT(20); /* 0x10 << 16 */
2466 rtl8xxxu_write32(priv, reg_int_oe, val32);
2467 udelay(1);
2468
2469 val32 = rtl8xxxu_read32(priv, reg_int_oe);
2470 val32 |= BIT(4);
2471 rtl8xxxu_write32(priv, reg_int_oe, val32);
2472 udelay(1);
2473
2474 /*
2475 * These two we might be able to optimize into one
2476 */
2477 val32 = rtl8xxxu_read32(priv, reg_hssi_parm2);
2478 val32 &= ~FPGA0_HSSI_3WIRE_ADDR_LEN;
2479 rtl8xxxu_write32(priv, reg_hssi_parm2, val32);
2480 udelay(1);
2481
2482 val32 = rtl8xxxu_read32(priv, reg_hssi_parm2);
2483 val32 &= ~FPGA0_HSSI_3WIRE_DATA_LEN;
2484 rtl8xxxu_write32(priv, reg_hssi_parm2, val32);
2485 udelay(1);
2486
2487 rtl8xxxu_init_rf_regs(priv, table, path);
2488
2489 /* For path B, use XB */
2490 val16 = rtl8xxxu_read16(priv, reg_sw_ctrl);
2491 val16 &= ~FPGA0_RF_RFENV;
2492 val16 |= rfsi_rfenv;
2493 rtl8xxxu_write16(priv, reg_sw_ctrl, val16);
2494
2495 return 0;
2496 }
2497
rtl8xxxu_llt_write(struct rtl8xxxu_priv * priv,u8 address,u8 data)2498 static int rtl8xxxu_llt_write(struct rtl8xxxu_priv *priv, u8 address, u8 data)
2499 {
2500 int ret = -EBUSY;
2501 int count = 0;
2502 u32 value;
2503
2504 value = LLT_OP_WRITE | address << 8 | data;
2505
2506 rtl8xxxu_write32(priv, REG_LLT_INIT, value);
2507
2508 do {
2509 value = rtl8xxxu_read32(priv, REG_LLT_INIT);
2510 if ((value & LLT_OP_MASK) == LLT_OP_INACTIVE) {
2511 ret = 0;
2512 break;
2513 }
2514 } while (count++ < 20);
2515
2516 return ret;
2517 }
2518
rtl8xxxu_init_llt_table(struct rtl8xxxu_priv * priv)2519 int rtl8xxxu_init_llt_table(struct rtl8xxxu_priv *priv)
2520 {
2521 int ret;
2522 int i, last_entry;
2523 u8 last_tx_page;
2524
2525 last_tx_page = priv->fops->total_page_num;
2526
2527 if (priv->fops->last_llt_entry)
2528 last_entry = priv->fops->last_llt_entry;
2529 else
2530 last_entry = 255;
2531
2532 for (i = 0; i < last_tx_page; i++) {
2533 ret = rtl8xxxu_llt_write(priv, i, i + 1);
2534 if (ret)
2535 goto exit;
2536 }
2537
2538 ret = rtl8xxxu_llt_write(priv, last_tx_page, 0xff);
2539 if (ret)
2540 goto exit;
2541
2542 /* Mark remaining pages as a ring buffer */
2543 for (i = last_tx_page + 1; i < last_entry; i++) {
2544 ret = rtl8xxxu_llt_write(priv, i, (i + 1));
2545 if (ret)
2546 goto exit;
2547 }
2548
2549 /* Let last entry point to the start entry of ring buffer */
2550 ret = rtl8xxxu_llt_write(priv, last_entry, last_tx_page + 1);
2551 if (ret)
2552 goto exit;
2553
2554 exit:
2555 return ret;
2556 }
2557
rtl8xxxu_auto_llt_table(struct rtl8xxxu_priv * priv)2558 int rtl8xxxu_auto_llt_table(struct rtl8xxxu_priv *priv)
2559 {
2560 u32 val32;
2561 int ret = 0;
2562 int i;
2563
2564 val32 = rtl8xxxu_read32(priv, REG_AUTO_LLT);
2565 val32 |= AUTO_LLT_INIT_LLT;
2566 rtl8xxxu_write32(priv, REG_AUTO_LLT, val32);
2567
2568 for (i = 500; i; i--) {
2569 val32 = rtl8xxxu_read32(priv, REG_AUTO_LLT);
2570 if (!(val32 & AUTO_LLT_INIT_LLT))
2571 break;
2572 usleep_range(2, 4);
2573 }
2574
2575 if (!i) {
2576 ret = -EBUSY;
2577 dev_warn(&priv->udev->dev, "LLT table init failed\n");
2578 }
2579
2580 return ret;
2581 }
2582
rtl8xxxu_init_queue_priority(struct rtl8xxxu_priv * priv)2583 static int rtl8xxxu_init_queue_priority(struct rtl8xxxu_priv *priv)
2584 {
2585 u16 val16, hi, lo;
2586 u16 hiq, mgq, bkq, beq, viq, voq;
2587 int hip, mgp, bkp, bep, vip, vop;
2588 int ret = 0;
2589 u32 val32;
2590
2591 switch (priv->ep_tx_count) {
2592 case 1:
2593 if (priv->ep_tx_high_queue) {
2594 hi = TRXDMA_QUEUE_HIGH;
2595 } else if (priv->ep_tx_low_queue) {
2596 hi = TRXDMA_QUEUE_LOW;
2597 } else if (priv->ep_tx_normal_queue) {
2598 hi = TRXDMA_QUEUE_NORMAL;
2599 } else {
2600 hi = 0;
2601 ret = -EINVAL;
2602 }
2603
2604 hiq = hi;
2605 mgq = hi;
2606 bkq = hi;
2607 beq = hi;
2608 viq = hi;
2609 voq = hi;
2610
2611 hip = 0;
2612 mgp = 0;
2613 bkp = 0;
2614 bep = 0;
2615 vip = 0;
2616 vop = 0;
2617 break;
2618 case 2:
2619 if (priv->ep_tx_high_queue && priv->ep_tx_low_queue) {
2620 hi = TRXDMA_QUEUE_HIGH;
2621 lo = TRXDMA_QUEUE_LOW;
2622 } else if (priv->ep_tx_normal_queue && priv->ep_tx_low_queue) {
2623 hi = TRXDMA_QUEUE_NORMAL;
2624 lo = TRXDMA_QUEUE_LOW;
2625 } else if (priv->ep_tx_high_queue && priv->ep_tx_normal_queue) {
2626 hi = TRXDMA_QUEUE_HIGH;
2627 lo = TRXDMA_QUEUE_NORMAL;
2628 } else {
2629 ret = -EINVAL;
2630 hi = 0;
2631 lo = 0;
2632 }
2633
2634 hiq = hi;
2635 mgq = hi;
2636 bkq = lo;
2637 beq = lo;
2638 viq = hi;
2639 voq = hi;
2640
2641 hip = 0;
2642 mgp = 0;
2643 bkp = 1;
2644 bep = 1;
2645 vip = 0;
2646 vop = 0;
2647 break;
2648 case 3:
2649 beq = TRXDMA_QUEUE_LOW;
2650 bkq = TRXDMA_QUEUE_LOW;
2651 viq = TRXDMA_QUEUE_NORMAL;
2652 voq = TRXDMA_QUEUE_HIGH;
2653 mgq = TRXDMA_QUEUE_HIGH;
2654 hiq = TRXDMA_QUEUE_HIGH;
2655
2656 hip = hiq ^ 3;
2657 mgp = mgq ^ 3;
2658 bkp = bkq ^ 3;
2659 bep = beq ^ 3;
2660 vip = viq ^ 3;
2661 vop = viq ^ 3;
2662 break;
2663 default:
2664 ret = -EINVAL;
2665 }
2666
2667 /*
2668 * None of the vendor drivers are configuring the beacon
2669 * queue here .... why?
2670 */
2671 if (!ret) {
2672 /* Only RTL8192F seems to do it like this. */
2673 if (priv->rtl_chip == RTL8192F) {
2674 val32 = rtl8xxxu_read32(priv, REG_TRXDMA_CTRL);
2675 val32 &= 0x7;
2676 val32 |= (voq << TRXDMA_CTRL_VOQ_SHIFT_8192F) |
2677 (viq << TRXDMA_CTRL_VIQ_SHIFT_8192F) |
2678 (beq << TRXDMA_CTRL_BEQ_SHIFT_8192F) |
2679 (bkq << TRXDMA_CTRL_BKQ_SHIFT_8192F) |
2680 (mgq << TRXDMA_CTRL_MGQ_SHIFT_8192F) |
2681 (hiq << TRXDMA_CTRL_HIQ_SHIFT_8192F);
2682 rtl8xxxu_write32(priv, REG_TRXDMA_CTRL, val32);
2683 } else {
2684 val16 = rtl8xxxu_read16(priv, REG_TRXDMA_CTRL);
2685 val16 &= 0x7;
2686 val16 |= (voq << TRXDMA_CTRL_VOQ_SHIFT) |
2687 (viq << TRXDMA_CTRL_VIQ_SHIFT) |
2688 (beq << TRXDMA_CTRL_BEQ_SHIFT) |
2689 (bkq << TRXDMA_CTRL_BKQ_SHIFT) |
2690 (mgq << TRXDMA_CTRL_MGQ_SHIFT) |
2691 (hiq << TRXDMA_CTRL_HIQ_SHIFT);
2692 rtl8xxxu_write16(priv, REG_TRXDMA_CTRL, val16);
2693 }
2694
2695 priv->pipe_out[TXDESC_QUEUE_VO] =
2696 usb_sndbulkpipe(priv->udev, priv->out_ep[vop]);
2697 priv->pipe_out[TXDESC_QUEUE_VI] =
2698 usb_sndbulkpipe(priv->udev, priv->out_ep[vip]);
2699 priv->pipe_out[TXDESC_QUEUE_BE] =
2700 usb_sndbulkpipe(priv->udev, priv->out_ep[bep]);
2701 priv->pipe_out[TXDESC_QUEUE_BK] =
2702 usb_sndbulkpipe(priv->udev, priv->out_ep[bkp]);
2703 priv->pipe_out[TXDESC_QUEUE_BEACON] =
2704 usb_sndbulkpipe(priv->udev, priv->out_ep[0]);
2705 priv->pipe_out[TXDESC_QUEUE_MGNT] =
2706 usb_sndbulkpipe(priv->udev, priv->out_ep[mgp]);
2707 priv->pipe_out[TXDESC_QUEUE_HIGH] =
2708 usb_sndbulkpipe(priv->udev, priv->out_ep[hip]);
2709 priv->pipe_out[TXDESC_QUEUE_CMD] =
2710 usb_sndbulkpipe(priv->udev, priv->out_ep[0]);
2711 }
2712
2713 return ret;
2714 }
2715
rtl8xxxu_fill_iqk_matrix_a(struct rtl8xxxu_priv * priv,bool iqk_ok,int result[][8],int candidate,bool tx_only)2716 void rtl8xxxu_fill_iqk_matrix_a(struct rtl8xxxu_priv *priv, bool iqk_ok,
2717 int result[][8], int candidate, bool tx_only)
2718 {
2719 u32 oldval, x, tx0_a, reg;
2720 int y, tx0_c;
2721 u32 val32;
2722
2723 if (!iqk_ok)
2724 return;
2725
2726 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE);
2727 oldval = val32 >> 22;
2728
2729 x = result[candidate][0];
2730 if ((x & 0x00000200) != 0)
2731 x = x | 0xfffffc00;
2732 tx0_a = (x * oldval) >> 8;
2733
2734 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE);
2735 val32 &= ~0x3ff;
2736 val32 |= tx0_a;
2737 rtl8xxxu_write32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE, val32);
2738
2739 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES);
2740 val32 &= ~BIT(31);
2741 if ((x * oldval >> 7) & 0x1)
2742 val32 |= BIT(31);
2743 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32);
2744
2745 y = result[candidate][1];
2746 if ((y & 0x00000200) != 0)
2747 y = y | 0xfffffc00;
2748 tx0_c = (y * oldval) >> 8;
2749
2750 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XC_TX_AFE);
2751 val32 &= ~0xf0000000;
2752 val32 |= (((tx0_c & 0x3c0) >> 6) << 28);
2753 rtl8xxxu_write32(priv, REG_OFDM0_XC_TX_AFE, val32);
2754
2755 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE);
2756 val32 &= ~0x003f0000;
2757 val32 |= ((tx0_c & 0x3f) << 16);
2758 rtl8xxxu_write32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE, val32);
2759
2760 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES);
2761 val32 &= ~BIT(29);
2762 if ((y * oldval >> 7) & 0x1)
2763 val32 |= BIT(29);
2764 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32);
2765
2766 if (tx_only) {
2767 dev_dbg(&priv->udev->dev, "%s: only TX\n", __func__);
2768 return;
2769 }
2770
2771 reg = result[candidate][2];
2772
2773 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE);
2774 val32 &= ~0x3ff;
2775 val32 |= (reg & 0x3ff);
2776 rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE, val32);
2777
2778 reg = result[candidate][3] & 0x3F;
2779
2780 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE);
2781 val32 &= ~0xfc00;
2782 val32 |= ((reg << 10) & 0xfc00);
2783 rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE, val32);
2784
2785 reg = (result[candidate][3] >> 6) & 0xF;
2786
2787 val32 = rtl8xxxu_read32(priv, REG_OFDM0_RX_IQ_EXT_ANTA);
2788 val32 &= ~0xf0000000;
2789 val32 |= (reg << 28);
2790 rtl8xxxu_write32(priv, REG_OFDM0_RX_IQ_EXT_ANTA, val32);
2791 }
2792
rtl8xxxu_fill_iqk_matrix_b(struct rtl8xxxu_priv * priv,bool iqk_ok,int result[][8],int candidate,bool tx_only)2793 void rtl8xxxu_fill_iqk_matrix_b(struct rtl8xxxu_priv *priv, bool iqk_ok,
2794 int result[][8], int candidate, bool tx_only)
2795 {
2796 u32 oldval, x, tx1_a, reg;
2797 int y, tx1_c;
2798 u32 val32;
2799
2800 if (!iqk_ok)
2801 return;
2802
2803 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE);
2804 oldval = val32 >> 22;
2805
2806 x = result[candidate][4];
2807 if ((x & 0x00000200) != 0)
2808 x = x | 0xfffffc00;
2809 tx1_a = (x * oldval) >> 8;
2810
2811 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE);
2812 val32 &= ~0x3ff;
2813 val32 |= tx1_a;
2814 rtl8xxxu_write32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE, val32);
2815
2816 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES);
2817 val32 &= ~BIT(27);
2818 if ((x * oldval >> 7) & 0x1)
2819 val32 |= BIT(27);
2820 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32);
2821
2822 y = result[candidate][5];
2823 if ((y & 0x00000200) != 0)
2824 y = y | 0xfffffc00;
2825 tx1_c = (y * oldval) >> 8;
2826
2827 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XD_TX_AFE);
2828 val32 &= ~0xf0000000;
2829 val32 |= (((tx1_c & 0x3c0) >> 6) << 28);
2830 rtl8xxxu_write32(priv, REG_OFDM0_XD_TX_AFE, val32);
2831
2832 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE);
2833 val32 &= ~0x003f0000;
2834 val32 |= ((tx1_c & 0x3f) << 16);
2835 rtl8xxxu_write32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE, val32);
2836
2837 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES);
2838 val32 &= ~BIT(25);
2839 if ((y * oldval >> 7) & 0x1)
2840 val32 |= BIT(25);
2841 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32);
2842
2843 if (tx_only) {
2844 dev_dbg(&priv->udev->dev, "%s: only TX\n", __func__);
2845 return;
2846 }
2847
2848 reg = result[candidate][6];
2849
2850 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE);
2851 val32 &= ~0x3ff;
2852 val32 |= (reg & 0x3ff);
2853 rtl8xxxu_write32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE, val32);
2854
2855 reg = result[candidate][7] & 0x3f;
2856
2857 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE);
2858 val32 &= ~0xfc00;
2859 val32 |= ((reg << 10) & 0xfc00);
2860 rtl8xxxu_write32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE, val32);
2861
2862 reg = (result[candidate][7] >> 6) & 0xf;
2863
2864 if (priv->rtl_chip == RTL8192F) {
2865 rtl8xxxu_write32_mask(priv, REG_RXIQB_EXT, 0x000000f0, reg);
2866 } else {
2867 val32 = rtl8xxxu_read32(priv, REG_OFDM0_AGC_RSSI_TABLE);
2868 val32 &= ~0x0000f000;
2869 val32 |= (reg << 12);
2870 rtl8xxxu_write32(priv, REG_OFDM0_AGC_RSSI_TABLE, val32);
2871 }
2872 }
2873
2874 #define MAX_TOLERANCE 5
2875
rtl8xxxu_simularity_compare(struct rtl8xxxu_priv * priv,int result[][8],int c1,int c2)2876 bool rtl8xxxu_simularity_compare(struct rtl8xxxu_priv *priv,
2877 int result[][8], int c1, int c2)
2878 {
2879 u32 i, j, diff, simubitmap, bound = 0;
2880 int candidate[2] = {-1, -1}; /* for path A and path B */
2881 bool retval = true;
2882
2883 if (priv->tx_paths > 1)
2884 bound = 8;
2885 else
2886 bound = 4;
2887
2888 simubitmap = 0;
2889
2890 for (i = 0; i < bound; i++) {
2891 diff = (result[c1][i] > result[c2][i]) ?
2892 (result[c1][i] - result[c2][i]) :
2893 (result[c2][i] - result[c1][i]);
2894 if (diff > MAX_TOLERANCE) {
2895 if ((i == 2 || i == 6) && !simubitmap) {
2896 if (result[c1][i] + result[c1][i + 1] == 0)
2897 candidate[(i / 4)] = c2;
2898 else if (result[c2][i] + result[c2][i + 1] == 0)
2899 candidate[(i / 4)] = c1;
2900 else
2901 simubitmap = simubitmap | (1 << i);
2902 } else {
2903 simubitmap = simubitmap | (1 << i);
2904 }
2905 }
2906 }
2907
2908 if (simubitmap == 0) {
2909 for (i = 0; i < (bound / 4); i++) {
2910 if (candidate[i] >= 0) {
2911 for (j = i * 4; j < (i + 1) * 4 - 2; j++)
2912 result[3][j] = result[candidate[i]][j];
2913 retval = false;
2914 }
2915 }
2916 return retval;
2917 } else if (!(simubitmap & 0x0f)) {
2918 /* path A OK */
2919 for (i = 0; i < 4; i++)
2920 result[3][i] = result[c1][i];
2921 } else if (!(simubitmap & 0xf0) && priv->tx_paths > 1) {
2922 /* path B OK */
2923 for (i = 4; i < 8; i++)
2924 result[3][i] = result[c1][i];
2925 }
2926
2927 return false;
2928 }
2929
rtl8xxxu_gen2_simularity_compare(struct rtl8xxxu_priv * priv,int result[][8],int c1,int c2)2930 bool rtl8xxxu_gen2_simularity_compare(struct rtl8xxxu_priv *priv,
2931 int result[][8], int c1, int c2)
2932 {
2933 u32 i, j, diff, simubitmap, bound = 0;
2934 int candidate[2] = {-1, -1}; /* for path A and path B */
2935 int tmp1, tmp2;
2936 bool retval = true;
2937
2938 if (priv->tx_paths > 1)
2939 bound = 8;
2940 else
2941 bound = 4;
2942
2943 simubitmap = 0;
2944
2945 for (i = 0; i < bound; i++) {
2946 if (i & 1) {
2947 if ((result[c1][i] & 0x00000200))
2948 tmp1 = result[c1][i] | 0xfffffc00;
2949 else
2950 tmp1 = result[c1][i];
2951
2952 if ((result[c2][i]& 0x00000200))
2953 tmp2 = result[c2][i] | 0xfffffc00;
2954 else
2955 tmp2 = result[c2][i];
2956 } else {
2957 tmp1 = result[c1][i];
2958 tmp2 = result[c2][i];
2959 }
2960
2961 diff = (tmp1 > tmp2) ? (tmp1 - tmp2) : (tmp2 - tmp1);
2962
2963 if (diff > MAX_TOLERANCE) {
2964 if ((i == 2 || i == 6) && !simubitmap) {
2965 if (result[c1][i] + result[c1][i + 1] == 0)
2966 candidate[(i / 4)] = c2;
2967 else if (result[c2][i] + result[c2][i + 1] == 0)
2968 candidate[(i / 4)] = c1;
2969 else
2970 simubitmap = simubitmap | (1 << i);
2971 } else {
2972 simubitmap = simubitmap | (1 << i);
2973 }
2974 }
2975 }
2976
2977 if (simubitmap == 0) {
2978 for (i = 0; i < (bound / 4); i++) {
2979 if (candidate[i] >= 0) {
2980 for (j = i * 4; j < (i + 1) * 4 - 2; j++)
2981 result[3][j] = result[candidate[i]][j];
2982 retval = false;
2983 }
2984 }
2985 return retval;
2986 } else {
2987 if (!(simubitmap & 0x03)) {
2988 /* path A TX OK */
2989 for (i = 0; i < 2; i++)
2990 result[3][i] = result[c1][i];
2991 }
2992
2993 if (!(simubitmap & 0x0c)) {
2994 /* path A RX OK */
2995 for (i = 2; i < 4; i++)
2996 result[3][i] = result[c1][i];
2997 }
2998
2999 if (!(simubitmap & 0x30) && priv->tx_paths > 1) {
3000 /* path B TX OK */
3001 for (i = 4; i < 6; i++)
3002 result[3][i] = result[c1][i];
3003 }
3004
3005 if (!(simubitmap & 0xc0) && priv->tx_paths > 1) {
3006 /* path B RX OK */
3007 for (i = 6; i < 8; i++)
3008 result[3][i] = result[c1][i];
3009 }
3010 }
3011
3012 return false;
3013 }
3014
3015 void
rtl8xxxu_save_mac_regs(struct rtl8xxxu_priv * priv,const u32 * reg,u32 * backup)3016 rtl8xxxu_save_mac_regs(struct rtl8xxxu_priv *priv, const u32 *reg, u32 *backup)
3017 {
3018 int i;
3019
3020 for (i = 0; i < (RTL8XXXU_MAC_REGS - 1); i++)
3021 backup[i] = rtl8xxxu_read8(priv, reg[i]);
3022
3023 backup[i] = rtl8xxxu_read32(priv, reg[i]);
3024 }
3025
rtl8xxxu_restore_mac_regs(struct rtl8xxxu_priv * priv,const u32 * reg,u32 * backup)3026 void rtl8xxxu_restore_mac_regs(struct rtl8xxxu_priv *priv,
3027 const u32 *reg, u32 *backup)
3028 {
3029 int i;
3030
3031 for (i = 0; i < (RTL8XXXU_MAC_REGS - 1); i++)
3032 rtl8xxxu_write8(priv, reg[i], backup[i]);
3033
3034 rtl8xxxu_write32(priv, reg[i], backup[i]);
3035 }
3036
rtl8xxxu_save_regs(struct rtl8xxxu_priv * priv,const u32 * regs,u32 * backup,int count)3037 void rtl8xxxu_save_regs(struct rtl8xxxu_priv *priv, const u32 *regs,
3038 u32 *backup, int count)
3039 {
3040 int i;
3041
3042 for (i = 0; i < count; i++)
3043 backup[i] = rtl8xxxu_read32(priv, regs[i]);
3044 }
3045
rtl8xxxu_restore_regs(struct rtl8xxxu_priv * priv,const u32 * regs,u32 * backup,int count)3046 void rtl8xxxu_restore_regs(struct rtl8xxxu_priv *priv, const u32 *regs,
3047 u32 *backup, int count)
3048 {
3049 int i;
3050
3051 for (i = 0; i < count; i++)
3052 rtl8xxxu_write32(priv, regs[i], backup[i]);
3053 }
3054
3055
rtl8xxxu_path_adda_on(struct rtl8xxxu_priv * priv,const u32 * regs,bool path_a_on)3056 void rtl8xxxu_path_adda_on(struct rtl8xxxu_priv *priv, const u32 *regs,
3057 bool path_a_on)
3058 {
3059 u32 path_on;
3060 int i;
3061
3062 if (priv->tx_paths == 1) {
3063 path_on = priv->fops->adda_1t_path_on;
3064 rtl8xxxu_write32(priv, regs[0], priv->fops->adda_1t_init);
3065 } else {
3066 path_on = path_a_on ? priv->fops->adda_2t_path_on_a :
3067 priv->fops->adda_2t_path_on_b;
3068
3069 rtl8xxxu_write32(priv, regs[0], path_on);
3070 }
3071
3072 for (i = 1 ; i < RTL8XXXU_ADDA_REGS ; i++)
3073 rtl8xxxu_write32(priv, regs[i], path_on);
3074 }
3075
rtl8xxxu_mac_calibration(struct rtl8xxxu_priv * priv,const u32 * regs,u32 * backup)3076 void rtl8xxxu_mac_calibration(struct rtl8xxxu_priv *priv,
3077 const u32 *regs, u32 *backup)
3078 {
3079 int i = 0;
3080
3081 rtl8xxxu_write8(priv, regs[i], 0x3f);
3082
3083 for (i = 1 ; i < (RTL8XXXU_MAC_REGS - 1); i++)
3084 rtl8xxxu_write8(priv, regs[i], (u8)(backup[i] & ~BIT(3)));
3085
3086 rtl8xxxu_write8(priv, regs[i], (u8)(backup[i] & ~BIT(5)));
3087 }
3088
rtl8xxxu_iqk_path_a(struct rtl8xxxu_priv * priv)3089 static int rtl8xxxu_iqk_path_a(struct rtl8xxxu_priv *priv)
3090 {
3091 u32 reg_eac, reg_e94, reg_e9c, reg_ea4, val32;
3092 int result = 0;
3093
3094 /* path-A IQK setting */
3095 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x10008c1f);
3096 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x10008c1f);
3097 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82140102);
3098
3099 val32 = (priv->rf_paths > 1) ? 0x28160202 :
3100 /*IS_81xxC_VENDOR_UMC_B_CUT(pHalData->VersionID)?0x28160202: */
3101 0x28160502;
3102 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, val32);
3103
3104 /* path-B IQK setting */
3105 if (priv->rf_paths > 1) {
3106 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x10008c22);
3107 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x10008c22);
3108 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82140102);
3109 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28160202);
3110 }
3111
3112 /* LO calibration setting */
3113 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x001028d1);
3114
3115 /* One shot, path A LOK & IQK */
3116 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000);
3117 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000);
3118
3119 mdelay(1);
3120
3121 /* Check failed */
3122 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
3123 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A);
3124 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A);
3125 reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2);
3126
3127 if (!(reg_eac & BIT(28)) &&
3128 ((reg_e94 & 0x03ff0000) != 0x01420000) &&
3129 ((reg_e9c & 0x03ff0000) != 0x00420000))
3130 result |= 0x01;
3131 else /* If TX not OK, ignore RX */
3132 goto out;
3133
3134 /* If TX is OK, check whether RX is OK */
3135 if (!(reg_eac & BIT(27)) &&
3136 ((reg_ea4 & 0x03ff0000) != 0x01320000) &&
3137 ((reg_eac & 0x03ff0000) != 0x00360000))
3138 result |= 0x02;
3139 else
3140 dev_warn(&priv->udev->dev, "%s: Path A RX IQK failed!\n",
3141 __func__);
3142 out:
3143 return result;
3144 }
3145
rtl8xxxu_iqk_path_b(struct rtl8xxxu_priv * priv)3146 static int rtl8xxxu_iqk_path_b(struct rtl8xxxu_priv *priv)
3147 {
3148 u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc;
3149 int result = 0;
3150
3151 /* One shot, path B LOK & IQK */
3152 rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000002);
3153 rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000000);
3154
3155 mdelay(1);
3156
3157 /* Check failed */
3158 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2);
3159 reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
3160 reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
3161 reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2);
3162 reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2);
3163
3164 if (!(reg_eac & BIT(31)) &&
3165 ((reg_eb4 & 0x03ff0000) != 0x01420000) &&
3166 ((reg_ebc & 0x03ff0000) != 0x00420000))
3167 result |= 0x01;
3168 else
3169 goto out;
3170
3171 if (!(reg_eac & BIT(30)) &&
3172 (((reg_ec4 & 0x03ff0000) >> 16) != 0x132) &&
3173 (((reg_ecc & 0x03ff0000) >> 16) != 0x36))
3174 result |= 0x02;
3175 else
3176 dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n",
3177 __func__);
3178 out:
3179 return result;
3180 }
3181
rtl8xxxu_phy_iqcalibrate(struct rtl8xxxu_priv * priv,int result[][8],int t)3182 static void rtl8xxxu_phy_iqcalibrate(struct rtl8xxxu_priv *priv,
3183 int result[][8], int t)
3184 {
3185 struct device *dev = &priv->udev->dev;
3186 u32 i, val32;
3187 int path_a_ok, path_b_ok;
3188 int retry = 2;
3189 static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = {
3190 REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH,
3191 REG_RX_WAIT_CCA, REG_TX_CCK_RFON,
3192 REG_TX_CCK_BBON, REG_TX_OFDM_RFON,
3193 REG_TX_OFDM_BBON, REG_TX_TO_RX,
3194 REG_TX_TO_TX, REG_RX_CCK,
3195 REG_RX_OFDM, REG_RX_WAIT_RIFS,
3196 REG_RX_TO_RX, REG_STANDBY,
3197 REG_SLEEP, REG_PMPD_ANAEN
3198 };
3199 static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = {
3200 REG_TXPAUSE, REG_BEACON_CTRL,
3201 REG_BEACON_CTRL_1, REG_GPIO_MUXCFG
3202 };
3203 static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = {
3204 REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR,
3205 REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B,
3206 REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE,
3207 REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE
3208 };
3209
3210 /*
3211 * Note: IQ calibration must be performed after loading
3212 * PHY_REG.txt , and radio_a, radio_b.txt
3213 */
3214
3215 if (t == 0) {
3216 /* Save ADDA parameters, turn Path A ADDA on */
3217 rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup,
3218 RTL8XXXU_ADDA_REGS);
3219 rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
3220 rtl8xxxu_save_regs(priv, iqk_bb_regs,
3221 priv->bb_backup, RTL8XXXU_BB_REGS);
3222 }
3223
3224 rtl8xxxu_path_adda_on(priv, adda_regs, true);
3225
3226 if (t == 0) {
3227 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM1);
3228 if (val32 & FPGA0_HSSI_PARM1_PI)
3229 priv->pi_enabled = 1;
3230 }
3231
3232 if (!priv->pi_enabled) {
3233 /* Switch BB to PI mode to do IQ Calibration. */
3234 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, 0x01000100);
3235 rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, 0x01000100);
3236 }
3237
3238 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
3239 val32 &= ~FPGA_RF_MODE_CCK;
3240 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
3241
3242 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600);
3243 rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4);
3244 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000);
3245
3246 if (!priv->no_pape) {
3247 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL);
3248 val32 |= (FPGA0_RF_PAPE |
3249 (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT));
3250 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32);
3251 }
3252
3253 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE);
3254 val32 &= ~BIT(10);
3255 rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, val32);
3256 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE);
3257 val32 &= ~BIT(10);
3258 rtl8xxxu_write32(priv, REG_FPGA0_XB_RF_INT_OE, val32);
3259
3260 if (priv->tx_paths > 1) {
3261 rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00010000);
3262 rtl8xxxu_write32(priv, REG_FPGA0_XB_LSSI_PARM, 0x00010000);
3263 }
3264
3265 /* MAC settings */
3266 rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup);
3267
3268 /* Page B init */
3269 rtl8xxxu_write32(priv, REG_CONFIG_ANT_A, 0x00080000);
3270
3271 if (priv->tx_paths > 1)
3272 rtl8xxxu_write32(priv, REG_CONFIG_ANT_B, 0x00080000);
3273
3274 /* IQ calibration setting */
3275 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
3276 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00);
3277 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800);
3278
3279 for (i = 0; i < retry; i++) {
3280 path_a_ok = rtl8xxxu_iqk_path_a(priv);
3281 if (path_a_ok == 0x03) {
3282 val32 = rtl8xxxu_read32(priv,
3283 REG_TX_POWER_BEFORE_IQK_A);
3284 result[t][0] = (val32 >> 16) & 0x3ff;
3285 val32 = rtl8xxxu_read32(priv,
3286 REG_TX_POWER_AFTER_IQK_A);
3287 result[t][1] = (val32 >> 16) & 0x3ff;
3288 val32 = rtl8xxxu_read32(priv,
3289 REG_RX_POWER_BEFORE_IQK_A_2);
3290 result[t][2] = (val32 >> 16) & 0x3ff;
3291 val32 = rtl8xxxu_read32(priv,
3292 REG_RX_POWER_AFTER_IQK_A_2);
3293 result[t][3] = (val32 >> 16) & 0x3ff;
3294 break;
3295 } else if (i == (retry - 1) && path_a_ok == 0x01) {
3296 /* TX IQK OK */
3297 dev_dbg(dev, "%s: Path A IQK Only Tx Success!!\n",
3298 __func__);
3299
3300 val32 = rtl8xxxu_read32(priv,
3301 REG_TX_POWER_BEFORE_IQK_A);
3302 result[t][0] = (val32 >> 16) & 0x3ff;
3303 val32 = rtl8xxxu_read32(priv,
3304 REG_TX_POWER_AFTER_IQK_A);
3305 result[t][1] = (val32 >> 16) & 0x3ff;
3306 }
3307 }
3308
3309 if (!path_a_ok)
3310 dev_dbg(dev, "%s: Path A IQK failed!\n", __func__);
3311
3312 if (priv->tx_paths > 1) {
3313 /*
3314 * Path A into standby
3315 */
3316 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x0);
3317 rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00010000);
3318 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000);
3319
3320 /* Turn Path B ADDA on */
3321 rtl8xxxu_path_adda_on(priv, adda_regs, false);
3322
3323 for (i = 0; i < retry; i++) {
3324 path_b_ok = rtl8xxxu_iqk_path_b(priv);
3325 if (path_b_ok == 0x03) {
3326 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
3327 result[t][4] = (val32 >> 16) & 0x3ff;
3328 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
3329 result[t][5] = (val32 >> 16) & 0x3ff;
3330 val32 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2);
3331 result[t][6] = (val32 >> 16) & 0x3ff;
3332 val32 = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2);
3333 result[t][7] = (val32 >> 16) & 0x3ff;
3334 break;
3335 } else if (i == (retry - 1) && path_b_ok == 0x01) {
3336 /* TX IQK OK */
3337 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B);
3338 result[t][4] = (val32 >> 16) & 0x3ff;
3339 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B);
3340 result[t][5] = (val32 >> 16) & 0x3ff;
3341 }
3342 }
3343
3344 if (!path_b_ok)
3345 dev_dbg(dev, "%s: Path B IQK failed!\n", __func__);
3346 }
3347
3348 /* Back to BB mode, load original value */
3349 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0);
3350
3351 if (t) {
3352 if (!priv->pi_enabled) {
3353 /*
3354 * Switch back BB to SI mode after finishing
3355 * IQ Calibration
3356 */
3357 val32 = 0x01000000;
3358 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, val32);
3359 rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, val32);
3360 }
3361
3362 /* Reload ADDA power saving parameters */
3363 rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup,
3364 RTL8XXXU_ADDA_REGS);
3365
3366 /* Reload MAC parameters */
3367 rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup);
3368
3369 /* Reload BB parameters */
3370 rtl8xxxu_restore_regs(priv, iqk_bb_regs,
3371 priv->bb_backup, RTL8XXXU_BB_REGS);
3372
3373 /* Restore RX initial gain */
3374 rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00032ed3);
3375
3376 if (priv->tx_paths > 1) {
3377 rtl8xxxu_write32(priv, REG_FPGA0_XB_LSSI_PARM,
3378 0x00032ed3);
3379 }
3380
3381 /* Load 0xe30 IQC default value */
3382 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00);
3383 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00);
3384 }
3385 }
3386
rtl8xxxu_gen2_prepare_calibrate(struct rtl8xxxu_priv * priv,u8 start)3387 void rtl8xxxu_gen2_prepare_calibrate(struct rtl8xxxu_priv *priv, u8 start)
3388 {
3389 struct h2c_cmd h2c;
3390
3391 memset(&h2c, 0, sizeof(struct h2c_cmd));
3392 h2c.bt_wlan_calibration.cmd = H2C_8723B_BT_WLAN_CALIBRATION;
3393 h2c.bt_wlan_calibration.data = start;
3394
3395 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_wlan_calibration));
3396 }
3397
rtl8xxxu_gen1_phy_iq_calibrate(struct rtl8xxxu_priv * priv)3398 void rtl8xxxu_gen1_phy_iq_calibrate(struct rtl8xxxu_priv *priv)
3399 {
3400 struct device *dev = &priv->udev->dev;
3401 int result[4][8]; /* last is final result */
3402 int i, candidate;
3403 bool path_a_ok, path_b_ok;
3404 u32 reg_e94, reg_e9c, reg_ea4, reg_eac;
3405 u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc;
3406 s32 reg_tmp = 0;
3407 bool simu;
3408
3409 memset(result, 0, sizeof(result));
3410 candidate = -1;
3411
3412 path_a_ok = false;
3413 path_b_ok = false;
3414
3415 rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
3416
3417 for (i = 0; i < 3; i++) {
3418 rtl8xxxu_phy_iqcalibrate(priv, result, i);
3419
3420 if (i == 1) {
3421 simu = rtl8xxxu_simularity_compare(priv, result, 0, 1);
3422 if (simu) {
3423 candidate = 0;
3424 break;
3425 }
3426 }
3427
3428 if (i == 2) {
3429 simu = rtl8xxxu_simularity_compare(priv, result, 0, 2);
3430 if (simu) {
3431 candidate = 0;
3432 break;
3433 }
3434
3435 simu = rtl8xxxu_simularity_compare(priv, result, 1, 2);
3436 if (simu) {
3437 candidate = 1;
3438 } else {
3439 for (i = 0; i < 8; i++)
3440 reg_tmp += result[3][i];
3441
3442 if (reg_tmp)
3443 candidate = 3;
3444 else
3445 candidate = -1;
3446 }
3447 }
3448 }
3449
3450 for (i = 0; i < 4; i++) {
3451 reg_e94 = result[i][0];
3452 reg_e9c = result[i][1];
3453 reg_ea4 = result[i][2];
3454 reg_eac = result[i][3];
3455 reg_eb4 = result[i][4];
3456 reg_ebc = result[i][5];
3457 reg_ec4 = result[i][6];
3458 reg_ecc = result[i][7];
3459 }
3460
3461 if (candidate >= 0) {
3462 reg_e94 = result[candidate][0];
3463 priv->rege94 = reg_e94;
3464 reg_e9c = result[candidate][1];
3465 priv->rege9c = reg_e9c;
3466 reg_ea4 = result[candidate][2];
3467 reg_eac = result[candidate][3];
3468 reg_eb4 = result[candidate][4];
3469 priv->regeb4 = reg_eb4;
3470 reg_ebc = result[candidate][5];
3471 priv->regebc = reg_ebc;
3472 reg_ec4 = result[candidate][6];
3473 reg_ecc = result[candidate][7];
3474 dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate);
3475 dev_dbg(dev,
3476 "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n",
3477 __func__, reg_e94, reg_e9c,
3478 reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc);
3479 path_a_ok = true;
3480 path_b_ok = true;
3481 } else {
3482 reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100;
3483 reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0;
3484 }
3485
3486 if (reg_e94 && candidate >= 0)
3487 rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result,
3488 candidate, (reg_ea4 == 0));
3489
3490 if (priv->tx_paths > 1 && reg_eb4)
3491 rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result,
3492 candidate, (reg_ec4 == 0));
3493
3494 rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg,
3495 priv->bb_recovery_backup, RTL8XXXU_BB_REGS);
3496 }
3497
rtl8723a_phy_lc_calibrate(struct rtl8xxxu_priv * priv)3498 void rtl8723a_phy_lc_calibrate(struct rtl8xxxu_priv *priv)
3499 {
3500 u32 val32;
3501 u32 rf_amode, rf_bmode = 0, lstf;
3502
3503 /* Check continuous TX and Packet TX */
3504 lstf = rtl8xxxu_read32(priv, REG_OFDM1_LSTF);
3505
3506 if (lstf & OFDM_LSTF_MASK) {
3507 /* Disable all continuous TX */
3508 val32 = lstf & ~OFDM_LSTF_MASK;
3509 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32);
3510
3511 /* Read original RF mode Path A */
3512 rf_amode = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_AC);
3513
3514 /* Set RF mode to standby Path A */
3515 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC,
3516 (rf_amode & 0x8ffff) | 0x10000);
3517
3518 /* Path-B */
3519 if (priv->tx_paths > 1) {
3520 rf_bmode = rtl8xxxu_read_rfreg(priv, RF_B,
3521 RF6052_REG_AC);
3522
3523 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC,
3524 (rf_bmode & 0x8ffff) | 0x10000);
3525 }
3526 } else {
3527 /* Deal with Packet TX case */
3528 /* block all queues */
3529 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
3530 }
3531
3532 /* Start LC calibration */
3533 if (priv->fops->has_s0s1)
3534 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, 0xdfbe0);
3535 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG);
3536 val32 |= 0x08000;
3537 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, val32);
3538
3539 msleep(100);
3540
3541 if (priv->fops->has_s0s1)
3542 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, 0xdffe0);
3543
3544 /* Restore original parameters */
3545 if (lstf & OFDM_LSTF_MASK) {
3546 /* Path-A */
3547 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, lstf);
3548 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, rf_amode);
3549
3550 /* Path-B */
3551 if (priv->tx_paths > 1)
3552 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC,
3553 rf_bmode);
3554 } else /* Deal with Packet TX case */
3555 rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00);
3556 }
3557
rtl8xxxu_set_mac(struct rtl8xxxu_priv * priv,int port_num)3558 static int rtl8xxxu_set_mac(struct rtl8xxxu_priv *priv, int port_num)
3559 {
3560 int i;
3561 u16 reg;
3562
3563 switch (port_num) {
3564 case 0:
3565 reg = REG_MACID;
3566 break;
3567 case 1:
3568 reg = REG_MACID1;
3569 break;
3570 default:
3571 WARN_ONCE(1, "%s: invalid port_num\n", __func__);
3572 return -EINVAL;
3573 }
3574
3575 for (i = 0; i < ETH_ALEN; i++)
3576 rtl8xxxu_write8(priv, reg + i, priv->vifs[port_num]->addr[i]);
3577
3578 return 0;
3579 }
3580
rtl8xxxu_set_bssid(struct rtl8xxxu_priv * priv,const u8 * bssid,int port_num)3581 static int rtl8xxxu_set_bssid(struct rtl8xxxu_priv *priv, const u8 *bssid, int port_num)
3582 {
3583 int i;
3584 u16 reg;
3585
3586 dev_dbg(&priv->udev->dev, "%s: (%pM)\n", __func__, bssid);
3587
3588 switch (port_num) {
3589 case 0:
3590 reg = REG_BSSID;
3591 break;
3592 case 1:
3593 reg = REG_BSSID1;
3594 break;
3595 default:
3596 WARN_ONCE(1, "%s: invalid port_num\n", __func__);
3597 return -EINVAL;
3598 }
3599
3600 for (i = 0; i < ETH_ALEN; i++)
3601 rtl8xxxu_write8(priv, reg + i, bssid[i]);
3602
3603 return 0;
3604 }
3605
3606 static void
rtl8xxxu_set_ampdu_factor(struct rtl8xxxu_priv * priv,u8 ampdu_factor)3607 rtl8xxxu_set_ampdu_factor(struct rtl8xxxu_priv *priv, u8 ampdu_factor)
3608 {
3609 u8 vals[4] = { 0x41, 0xa8, 0x72, 0xb9 };
3610 u8 max_agg = 0xf;
3611 int i;
3612
3613 ampdu_factor = 1 << (ampdu_factor + 2);
3614 if (ampdu_factor > max_agg)
3615 ampdu_factor = max_agg;
3616
3617 for (i = 0; i < 4; i++) {
3618 if ((vals[i] & 0xf0) > (ampdu_factor << 4))
3619 vals[i] = (vals[i] & 0x0f) | (ampdu_factor << 4);
3620
3621 if ((vals[i] & 0x0f) > ampdu_factor)
3622 vals[i] = (vals[i] & 0xf0) | ampdu_factor;
3623
3624 rtl8xxxu_write8(priv, REG_AGGLEN_LMT + i, vals[i]);
3625 }
3626 }
3627
rtl8xxxu_set_ampdu_min_space(struct rtl8xxxu_priv * priv,u8 density)3628 static void rtl8xxxu_set_ampdu_min_space(struct rtl8xxxu_priv *priv, u8 density)
3629 {
3630 u8 val8;
3631
3632 val8 = rtl8xxxu_read8(priv, REG_AMPDU_MIN_SPACE);
3633 val8 &= 0xf8;
3634 val8 |= density;
3635 rtl8xxxu_write8(priv, REG_AMPDU_MIN_SPACE, val8);
3636 }
3637
rtl8xxxu_active_to_lps(struct rtl8xxxu_priv * priv)3638 int rtl8xxxu_active_to_lps(struct rtl8xxxu_priv *priv)
3639 {
3640 u8 val8;
3641 u8 val32;
3642 int count, ret = 0;
3643
3644 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
3645
3646 /*
3647 * Poll - wait for RX packet to complete
3648 */
3649 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
3650 val32 = rtl8xxxu_read32(priv, 0x5f8);
3651 if (!val32)
3652 break;
3653 udelay(10);
3654 }
3655
3656 if (!count) {
3657 dev_warn(&priv->udev->dev,
3658 "%s: RX poll timed out (0x05f8)\n", __func__);
3659 ret = -EBUSY;
3660 goto exit;
3661 }
3662
3663 /* Disable CCK and OFDM, clock gated */
3664 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
3665 val8 &= ~SYS_FUNC_BBRSTB;
3666 rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
3667
3668 udelay(2);
3669
3670 /* Reset baseband */
3671 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC);
3672 val8 &= ~SYS_FUNC_BB_GLB_RSTN;
3673 rtl8xxxu_write8(priv, REG_SYS_FUNC, val8);
3674
3675 /* Reset MAC TRX */
3676 val8 = rtl8xxxu_read8(priv, REG_CR);
3677 val8 = CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE;
3678 rtl8xxxu_write8(priv, REG_CR, val8);
3679
3680 /* Reset MAC TRX */
3681 val8 = rtl8xxxu_read8(priv, REG_CR + 1);
3682 val8 &= ~BIT(1); /* CR_SECURITY_ENABLE */
3683 rtl8xxxu_write8(priv, REG_CR + 1, val8);
3684
3685 /* Respond TX OK to scheduler */
3686 val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST);
3687 val8 |= DUAL_TSF_TX_OK;
3688 rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8);
3689
3690 exit:
3691 return ret;
3692 }
3693
rtl8xxxu_disabled_to_emu(struct rtl8xxxu_priv * priv)3694 void rtl8xxxu_disabled_to_emu(struct rtl8xxxu_priv *priv)
3695 {
3696 u8 val8;
3697
3698 /* Clear suspend enable and power down enable*/
3699 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
3700 val8 &= ~(BIT(3) | BIT(7));
3701 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
3702
3703 /* 0x48[16] = 0 to disable GPIO9 as EXT WAKEUP*/
3704 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2);
3705 val8 &= ~BIT(0);
3706 rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8);
3707
3708 /* 0x04[12:11] = 11 enable WL suspend*/
3709 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
3710 val8 &= ~(BIT(3) | BIT(4));
3711 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
3712 }
3713
rtl8xxxu_flush_fifo(struct rtl8xxxu_priv * priv)3714 int rtl8xxxu_flush_fifo(struct rtl8xxxu_priv *priv)
3715 {
3716 struct device *dev = &priv->udev->dev;
3717 u32 val32;
3718 int retry, retval;
3719
3720 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
3721
3722 val32 = rtl8xxxu_read32(priv, REG_RXPKT_NUM);
3723 val32 |= RXPKT_NUM_RW_RELEASE_EN;
3724 rtl8xxxu_write32(priv, REG_RXPKT_NUM, val32);
3725
3726 retry = 100;
3727 retval = -EBUSY;
3728
3729 do {
3730 val32 = rtl8xxxu_read32(priv, REG_RXPKT_NUM);
3731 if (val32 & RXPKT_NUM_RXDMA_IDLE) {
3732 retval = 0;
3733 break;
3734 }
3735 } while (retry--);
3736
3737 rtl8xxxu_write16(priv, REG_RQPN_NPQ, 0);
3738 rtl8xxxu_write32(priv, REG_RQPN, 0x80000000);
3739 mdelay(2);
3740
3741 if (!retry)
3742 dev_warn(dev, "Failed to flush FIFO\n");
3743
3744 return retval;
3745 }
3746
rtl8xxxu_gen1_usb_quirks(struct rtl8xxxu_priv * priv)3747 void rtl8xxxu_gen1_usb_quirks(struct rtl8xxxu_priv *priv)
3748 {
3749 /* Fix USB interface interference issue */
3750 rtl8xxxu_write8(priv, 0xfe40, 0xe0);
3751 rtl8xxxu_write8(priv, 0xfe41, 0x8d);
3752 rtl8xxxu_write8(priv, 0xfe42, 0x80);
3753 /*
3754 * This sets TXDMA_OFFSET_DROP_DATA_EN (bit 9) as well as bits
3755 * 8 and 5, for which I have found no documentation.
3756 */
3757 rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, 0xfd0320);
3758
3759 /*
3760 * Solve too many protocol error on USB bus.
3761 * Can't do this for 8188/8192 UMC A cut parts
3762 */
3763 if (!(!priv->chip_cut && priv->vendor_umc)) {
3764 rtl8xxxu_write8(priv, 0xfe40, 0xe6);
3765 rtl8xxxu_write8(priv, 0xfe41, 0x94);
3766 rtl8xxxu_write8(priv, 0xfe42, 0x80);
3767
3768 rtl8xxxu_write8(priv, 0xfe40, 0xe0);
3769 rtl8xxxu_write8(priv, 0xfe41, 0x19);
3770 rtl8xxxu_write8(priv, 0xfe42, 0x80);
3771
3772 rtl8xxxu_write8(priv, 0xfe40, 0xe5);
3773 rtl8xxxu_write8(priv, 0xfe41, 0x91);
3774 rtl8xxxu_write8(priv, 0xfe42, 0x80);
3775
3776 rtl8xxxu_write8(priv, 0xfe40, 0xe2);
3777 rtl8xxxu_write8(priv, 0xfe41, 0x81);
3778 rtl8xxxu_write8(priv, 0xfe42, 0x80);
3779 }
3780 }
3781
rtl8xxxu_gen2_usb_quirks(struct rtl8xxxu_priv * priv)3782 void rtl8xxxu_gen2_usb_quirks(struct rtl8xxxu_priv *priv)
3783 {
3784 u32 val32;
3785
3786 val32 = rtl8xxxu_read32(priv, REG_TXDMA_OFFSET_CHK);
3787 val32 |= TXDMA_OFFSET_DROP_DATA_EN;
3788 rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, val32);
3789 }
3790
rtl8723bu_set_ps_tdma(struct rtl8xxxu_priv * priv,u8 arg1,u8 arg2,u8 arg3,u8 arg4,u8 arg5)3791 void rtl8723bu_set_ps_tdma(struct rtl8xxxu_priv *priv,
3792 u8 arg1, u8 arg2, u8 arg3, u8 arg4, u8 arg5)
3793 {
3794 struct h2c_cmd h2c;
3795
3796 memset(&h2c, 0, sizeof(struct h2c_cmd));
3797 h2c.b_type_dma.cmd = H2C_8723B_B_TYPE_TDMA;
3798 h2c.b_type_dma.data1 = arg1;
3799 h2c.b_type_dma.data2 = arg2;
3800 h2c.b_type_dma.data3 = arg3;
3801 h2c.b_type_dma.data4 = arg4;
3802 h2c.b_type_dma.data5 = arg5;
3803 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.b_type_dma));
3804 }
3805
rtl8xxxu_gen2_disable_rf(struct rtl8xxxu_priv * priv)3806 void rtl8xxxu_gen2_disable_rf(struct rtl8xxxu_priv *priv)
3807 {
3808 u32 val32;
3809
3810 val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA);
3811 val32 &= ~(BIT(22) | BIT(23));
3812 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32);
3813 }
3814
rtl8xxxu_init_queue_reserved_page(struct rtl8xxxu_priv * priv)3815 static void rtl8xxxu_init_queue_reserved_page(struct rtl8xxxu_priv *priv)
3816 {
3817 struct rtl8xxxu_fileops *fops = priv->fops;
3818 u32 hq, lq, nq, eq, pubq;
3819 u32 val32;
3820
3821 hq = 0;
3822 lq = 0;
3823 nq = 0;
3824 eq = 0;
3825 pubq = 0;
3826
3827 if (priv->ep_tx_high_queue)
3828 hq = fops->page_num_hi;
3829 if (priv->ep_tx_low_queue)
3830 lq = fops->page_num_lo;
3831 if (priv->ep_tx_normal_queue)
3832 nq = fops->page_num_norm;
3833
3834 val32 = (nq << RQPN_NPQ_SHIFT) | (eq << RQPN_EPQ_SHIFT);
3835 rtl8xxxu_write32(priv, REG_RQPN_NPQ, val32);
3836
3837 pubq = fops->total_page_num - hq - lq - nq - 1;
3838
3839 val32 = RQPN_LOAD;
3840 val32 |= (hq << RQPN_HI_PQ_SHIFT);
3841 val32 |= (lq << RQPN_LO_PQ_SHIFT);
3842 val32 |= (pubq << RQPN_PUB_PQ_SHIFT);
3843
3844 rtl8xxxu_write32(priv, REG_RQPN, val32);
3845 }
3846
rtl8xxxu_init_burst(struct rtl8xxxu_priv * priv)3847 void rtl8xxxu_init_burst(struct rtl8xxxu_priv *priv)
3848 {
3849 u8 val8;
3850
3851 /*
3852 * For USB high speed set 512B packets
3853 */
3854 val8 = rtl8xxxu_read8(priv, REG_RXDMA_PRO_8723B);
3855 u8p_replace_bits(&val8, 1, RXDMA_PRO_DMA_BURST_SIZE);
3856 u8p_replace_bits(&val8, 3, RXDMA_PRO_DMA_BURST_CNT);
3857 val8 |= RXDMA_PRO_DMA_MODE;
3858 rtl8xxxu_write8(priv, REG_RXDMA_PRO_8723B, val8);
3859
3860 /*
3861 * Enable single packet AMPDU
3862 */
3863 val8 = rtl8xxxu_read8(priv, REG_HT_SINGLE_AMPDU_8723B);
3864 val8 |= HT_SINGLE_AMPDU_ENABLE;
3865 rtl8xxxu_write8(priv, REG_HT_SINGLE_AMPDU_8723B, val8);
3866
3867 rtl8xxxu_write16(priv, REG_MAX_AGGR_NUM, priv->fops->max_aggr_num);
3868 rtl8xxxu_write8(priv, REG_AMPDU_MAX_TIME_8723B,
3869 priv->fops->ampdu_max_time);
3870 rtl8xxxu_write32(priv, REG_AGGLEN_LMT, 0xffffffff);
3871 rtl8xxxu_write8(priv, REG_RX_PKT_LIMIT, 0x18);
3872 rtl8xxxu_write8(priv, REG_PIFS, 0x00);
3873 if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8710B ||
3874 priv->rtl_chip == RTL8192F) {
3875 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL, FWHW_TXQ_CTRL_AMPDU_RETRY);
3876 rtl8xxxu_write32(priv, REG_FAST_EDCA_CTRL, 0x03086666);
3877 }
3878 rtl8xxxu_write8(priv, REG_USTIME_TSF_8723B, priv->fops->ustime_tsf_edca);
3879 rtl8xxxu_write8(priv, REG_USTIME_EDCA, priv->fops->ustime_tsf_edca);
3880
3881 /* to prevent mac is reseted by bus. */
3882 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
3883 val8 |= RSV_CTRL_WLOCK_1C | RSV_CTRL_DIS_PRST;
3884 rtl8xxxu_write8(priv, REG_RSV_CTRL, val8);
3885 }
3886
rtl8xxxu_acquire_macid(struct rtl8xxxu_priv * priv)3887 static u8 rtl8xxxu_acquire_macid(struct rtl8xxxu_priv *priv)
3888 {
3889 u8 macid;
3890
3891 macid = find_first_zero_bit(priv->mac_id_map, RTL8XXXU_MAX_MAC_ID_NUM);
3892 if (macid < RTL8XXXU_MAX_MAC_ID_NUM)
3893 set_bit(macid, priv->mac_id_map);
3894
3895 return macid;
3896 }
3897
rtl8xxxu_release_macid(struct rtl8xxxu_priv * priv,u8 macid)3898 static void rtl8xxxu_release_macid(struct rtl8xxxu_priv *priv, u8 macid)
3899 {
3900 clear_bit(macid, priv->mac_id_map);
3901 }
3902
rtl8xxxu_get_macid(struct rtl8xxxu_priv * priv,struct ieee80211_sta * sta)3903 static inline u8 rtl8xxxu_get_macid(struct rtl8xxxu_priv *priv,
3904 struct ieee80211_sta *sta)
3905 {
3906 struct rtl8xxxu_sta_info *sta_info;
3907
3908 if (!sta)
3909 return 0;
3910
3911 sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv;
3912 if (!sta_info)
3913 return 0;
3914
3915 return sta_info->macid;
3916 }
3917
rtl8xxxu_request_hw_feature(struct rtl8xxxu_priv * priv)3918 static void rtl8xxxu_request_hw_feature(struct rtl8xxxu_priv *priv)
3919 {
3920 if (!priv->fops->hw_feature_report)
3921 return;
3922
3923 rtl8xxxu_write8(priv, REG_C2HEVT_MSG_NORMAL, C2H_HW_FEATURE_DUMP);
3924 }
3925
rtl8xxxu_dump_hw_feature(struct rtl8xxxu_priv * priv)3926 static int rtl8xxxu_dump_hw_feature(struct rtl8xxxu_priv *priv)
3927 {
3928 static const u8 bw_map[8] = { 0, 0, 160, 5, 10, 20, 40, 80 };
3929 struct rtl8xxxu_hw_feature *hw_feature = &priv->hw_feature;
3930 u8 feature[13];
3931 int i, ret;
3932 u8 id, bw;
3933
3934 if (!priv->fops->hw_feature_report) {
3935 hw_feature->max_bw = 40;
3936 return 0;
3937 }
3938
3939 ret = read_poll_timeout(rtl8xxxu_read8, id,
3940 id == C2H_HW_FEATURE_REPORT,
3941 10000, 800000, false,
3942 priv, REG_C2HEVT_MSG_NORMAL);
3943 if (ret)
3944 return ret;
3945
3946 for (i = 0; i < ARRAY_SIZE(feature); i++)
3947 feature[i] = rtl8xxxu_read8(priv, REG_C2HEVT_MSG_NORMAL + 2 + i);
3948
3949 rtl8xxxu_write8(priv, REG_C2HEVT_MSG_NORMAL, 0);
3950
3951 bw = u8_get_bits(feature[6], GENMASK(2, 0));
3952
3953 hw_feature->max_bw = bw_map[bw];
3954
3955 return 0;
3956 }
3957
rtl8xxxu_init_device(struct ieee80211_hw * hw)3958 static int rtl8xxxu_init_device(struct ieee80211_hw *hw)
3959 {
3960 struct rtl8xxxu_priv *priv = hw->priv;
3961 struct device *dev = &priv->udev->dev;
3962 struct rtl8xxxu_fileops *fops = priv->fops;
3963 bool macpower;
3964 int ret;
3965 u8 val8;
3966 u16 val16;
3967 u32 val32;
3968
3969 /* Check if MAC is already powered on */
3970 val8 = rtl8xxxu_read8(priv, REG_CR);
3971 val16 = rtl8xxxu_read16(priv, REG_SYS_CLKR);
3972
3973 /*
3974 * Fix 92DU-VC S3 hang with the reason is that secondary mac is not
3975 * initialized. First MAC returns 0xea, second MAC returns 0x00
3976 */
3977 if (val8 == 0xea || !(val16 & SYS_CLK_MAC_CLK_ENABLE))
3978 macpower = false;
3979 else
3980 macpower = true;
3981
3982 if (fops->needs_full_init)
3983 macpower = false;
3984
3985 ret = fops->power_on(priv);
3986 if (ret < 0) {
3987 dev_warn(dev, "%s: Failed power on\n", __func__);
3988 goto exit;
3989 }
3990
3991 if (!macpower)
3992 rtl8xxxu_init_queue_reserved_page(priv);
3993
3994 ret = rtl8xxxu_init_queue_priority(priv);
3995 dev_dbg(dev, "%s: init_queue_priority %i\n", __func__, ret);
3996 if (ret)
3997 goto exit;
3998
3999 /*
4000 * Set RX page boundary
4001 */
4002 rtl8xxxu_write16(priv, REG_TRXFF_BNDY + 2, fops->trxff_boundary);
4003
4004 rtl8xxxu_request_hw_feature(priv);
4005
4006 for (int retry = 5; retry >= 0 ; retry--) {
4007 ret = rtl8xxxu_download_firmware(priv);
4008 dev_dbg(dev, "%s: download_firmware %i\n", __func__, ret);
4009 if (ret != -EAGAIN)
4010 break;
4011 if (retry)
4012 dev_dbg(dev, "%s: retry firmware download\n", __func__);
4013 }
4014 if (ret)
4015 goto exit;
4016 ret = rtl8xxxu_start_firmware(priv);
4017 dev_dbg(dev, "%s: start_firmware %i\n", __func__, ret);
4018 if (ret)
4019 goto exit;
4020
4021 ret = rtl8xxxu_dump_hw_feature(priv);
4022 if (ret) {
4023 dev_err(dev, "failed to dump hw feature\n");
4024 goto exit;
4025 }
4026
4027 if (fops->phy_init_antenna_selection)
4028 fops->phy_init_antenna_selection(priv);
4029
4030 ret = rtl8xxxu_init_mac(priv);
4031
4032 dev_dbg(dev, "%s: init_mac %i\n", __func__, ret);
4033 if (ret)
4034 goto exit;
4035
4036 ret = rtl8xxxu_init_phy_bb(priv);
4037 dev_dbg(dev, "%s: init_phy_bb %i\n", __func__, ret);
4038 if (ret)
4039 goto exit;
4040
4041 ret = fops->init_phy_rf(priv);
4042 if (ret)
4043 goto exit;
4044
4045 /* Mac APLL Setting */
4046 if (priv->rtl_chip == RTL8192F)
4047 rtl8xxxu_write16_set(priv, REG_AFE_CTRL4, BIT(4) | BIT(15));
4048
4049 /* RFSW Control - clear bit 14 ?? */
4050 if (priv->rtl_chip != RTL8723B && priv->rtl_chip != RTL8192E &&
4051 priv->rtl_chip != RTL8188E && priv->rtl_chip != RTL8710B &&
4052 priv->rtl_chip != RTL8192F)
4053 rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, 0x00000003);
4054
4055 val32 = FPGA0_RF_TRSW | FPGA0_RF_TRSWB | FPGA0_RF_ANTSW |
4056 FPGA0_RF_ANTSWB |
4057 ((FPGA0_RF_ANTSW | FPGA0_RF_ANTSWB) << FPGA0_RF_BD_CTRL_SHIFT);
4058 if (!priv->no_pape) {
4059 val32 |= (FPGA0_RF_PAPE |
4060 (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT));
4061 }
4062 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32);
4063
4064 /* 0x860[6:5]= 00 - why? - this sets antenna B */
4065 if (priv->rtl_chip != RTL8192E && priv->rtl_chip != RTL8188E &&
4066 priv->rtl_chip != RTL8710B && priv->rtl_chip != RTL8192F)
4067 rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, 0x66f60210);
4068
4069 if (!macpower) {
4070 /*
4071 * Set TX buffer boundary
4072 */
4073 val8 = fops->total_page_num + 1;
4074
4075 rtl8xxxu_write8(priv, REG_TXPKTBUF_BCNQ_BDNY, val8);
4076 rtl8xxxu_write8(priv, REG_TXPKTBUF_MGQ_BDNY, val8);
4077 rtl8xxxu_write8(priv, REG_TXPKTBUF_WMAC_LBK_BF_HD, val8);
4078 rtl8xxxu_write8(priv, REG_TRXFF_BNDY, val8);
4079 rtl8xxxu_write8(priv, REG_TDECTRL + 1, val8);
4080 }
4081
4082 /*
4083 * The vendor drivers set PBP for all devices, except 8192e.
4084 * There is no explanation for this in any of the sources.
4085 */
4086 val8 = (fops->pbp_rx << PBP_PAGE_SIZE_RX_SHIFT) |
4087 (fops->pbp_tx << PBP_PAGE_SIZE_TX_SHIFT);
4088 if (priv->rtl_chip != RTL8192E)
4089 rtl8xxxu_write8(priv, REG_PBP, val8);
4090
4091 dev_dbg(dev, "%s: macpower %i\n", __func__, macpower);
4092 if (!macpower) {
4093 ret = fops->llt_init(priv);
4094 if (ret) {
4095 dev_warn(dev, "%s: LLT table init failed\n", __func__);
4096 goto exit;
4097 }
4098
4099 /*
4100 * Chip specific quirks
4101 */
4102 fops->usb_quirks(priv);
4103
4104 /*
4105 * Enable TX report and TX report timer for 8723bu/8188eu/...
4106 */
4107 if (fops->has_tx_report) {
4108 /*
4109 * The RTL8188EU has two types of TX reports:
4110 * rpt_sel=1:
4111 * One report for one frame. We can use this for frames
4112 * with IEEE80211_TX_CTL_REQ_TX_STATUS.
4113 * rpt_sel=2:
4114 * One report for many frames transmitted over a period
4115 * of time. (This is what REG_TX_REPORT_TIME is for.) The
4116 * report includes the number of frames transmitted
4117 * successfully, and the number of unsuccessful
4118 * transmissions. We use this for software rate control.
4119 *
4120 * Bit 0 of REG_TX_REPORT_CTRL is required for both types.
4121 * Bit 1 (TX_REPORT_CTRL_TIMER_ENABLE) is required for
4122 * type 2.
4123 */
4124 val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL);
4125 if (priv->rtl_chip == RTL8188E)
4126 val8 |= BIT(0);
4127 val8 |= TX_REPORT_CTRL_TIMER_ENABLE;
4128 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8);
4129 /* Set MAX RPT MACID */
4130 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL + 1, 0x02);
4131 /* TX report Timer. Unit: 32us */
4132 rtl8xxxu_write16(priv, REG_TX_REPORT_TIME, 0xcdf0);
4133
4134 /* tmp ps ? */
4135 val8 = rtl8xxxu_read8(priv, 0xa3);
4136 val8 &= 0xf8;
4137 rtl8xxxu_write8(priv, 0xa3, val8);
4138 }
4139
4140 if (priv->rtl_chip == RTL8710B || priv->rtl_chip == RTL8192F)
4141 rtl8xxxu_write8(priv, REG_EARLY_MODE_CONTROL_8710B, 0);
4142 }
4143
4144 /*
4145 * Unit in 8 bytes.
4146 * Get Rx PHY status in order to report RSSI and others.
4147 */
4148 rtl8xxxu_write8(priv, REG_RX_DRVINFO_SZ, 4);
4149
4150 if (priv->rtl_chip == RTL8192E) {
4151 rtl8xxxu_write32(priv, REG_HIMR0, 0x00);
4152 rtl8xxxu_write32(priv, REG_HIMR1, 0x00);
4153 } else if (priv->rtl_chip == RTL8188F) {
4154 rtl8xxxu_write32(priv, REG_HISR0, 0xffffffff);
4155 rtl8xxxu_write32(priv, REG_HISR1, 0xffffffff);
4156 } else if (priv->rtl_chip == RTL8188E) {
4157 rtl8xxxu_write32(priv, REG_HISR0, 0xffffffff);
4158 val32 = IMR0_PSTIMEOUT | IMR0_TBDER | IMR0_CPWM | IMR0_CPWM2;
4159 rtl8xxxu_write32(priv, REG_HIMR0, val32);
4160 val32 = IMR1_TXERR | IMR1_RXERR | IMR1_TXFOVW | IMR1_RXFOVW;
4161 rtl8xxxu_write32(priv, REG_HIMR1, val32);
4162 val8 = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION);
4163 val8 |= USB_SPEC_INT_BULK_SELECT;
4164 rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, val8);
4165 } else if (priv->rtl_chip == RTL8710B) {
4166 rtl8xxxu_write32(priv, REG_HIMR0_8710B, 0);
4167 } else if (priv->rtl_chip != RTL8192F) {
4168 /*
4169 * Enable all interrupts - not obvious USB needs to do this
4170 */
4171 rtl8xxxu_write32(priv, REG_HISR, 0xffffffff);
4172 rtl8xxxu_write32(priv, REG_HIMR, 0xffffffff);
4173 }
4174
4175 /*
4176 * Configure initial WMAC settings
4177 */
4178 val32 = RCR_ACCEPT_PHYS_MATCH | RCR_ACCEPT_MCAST | RCR_ACCEPT_BCAST |
4179 RCR_ACCEPT_MGMT_FRAME | RCR_HTC_LOC_CTRL |
4180 RCR_APPEND_PHYSTAT | RCR_APPEND_ICV | RCR_APPEND_MIC;
4181 rtl8xxxu_write32(priv, REG_RCR, val32);
4182 priv->regrcr = val32;
4183
4184 if (fops->init_reg_rxfltmap) {
4185 /* Accept all data frames */
4186 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0xffff);
4187
4188 /*
4189 * Since ADF is removed from RCR, ps-poll will not be indicate to driver,
4190 * RxFilterMap should mask ps-poll to gurantee AP mode can rx ps-poll.
4191 */
4192 rtl8xxxu_write16(priv, REG_RXFLTMAP1, 0x400);
4193
4194 /* Accept all management frames */
4195 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0xffff);
4196 } else {
4197 /*
4198 * Accept all multicast
4199 */
4200 rtl8xxxu_write32(priv, REG_MAR, 0xffffffff);
4201 rtl8xxxu_write32(priv, REG_MAR + 4, 0xffffffff);
4202 }
4203
4204 /*
4205 * Init adaptive controls
4206 */
4207 val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET);
4208 val32 &= ~RESPONSE_RATE_BITMAP_ALL;
4209 val32 |= RESPONSE_RATE_RRSR_CCK_ONLY_1M;
4210 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32);
4211
4212 /* CCK = 0x0a, OFDM = 0x10 */
4213 rtl8xxxu_set_spec_sifs(priv, 0x10, 0x10);
4214 rtl8xxxu_set_retry(priv, 0x30, 0x30);
4215 rtl8xxxu_set_spec_sifs(priv, 0x0a, 0x10);
4216
4217 /*
4218 * Init EDCA
4219 */
4220 rtl8xxxu_write16(priv, REG_MAC_SPEC_SIFS, 0x100a);
4221
4222 /* Set CCK SIFS */
4223 rtl8xxxu_write16(priv, REG_SIFS_CCK, 0x100a);
4224
4225 /* Set OFDM SIFS */
4226 rtl8xxxu_write16(priv, REG_SIFS_OFDM, 0x100a);
4227
4228 /* TXOP */
4229 rtl8xxxu_write32(priv, REG_EDCA_BE_PARAM, 0x005ea42b);
4230 rtl8xxxu_write32(priv, REG_EDCA_BK_PARAM, 0x0000a44f);
4231 rtl8xxxu_write32(priv, REG_EDCA_VI_PARAM, 0x005ea324);
4232 rtl8xxxu_write32(priv, REG_EDCA_VO_PARAM, 0x002fa226);
4233
4234 /* Set data auto rate fallback retry count */
4235 rtl8xxxu_write32(priv, REG_DARFRC, 0x00000000);
4236 rtl8xxxu_write32(priv, REG_DARFRC + 4, 0x10080404);
4237 rtl8xxxu_write32(priv, REG_RARFRC, 0x04030201);
4238 rtl8xxxu_write32(priv, REG_RARFRC + 4, 0x08070605);
4239
4240 val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL);
4241 val8 |= FWHW_TXQ_CTRL_AMPDU_RETRY;
4242 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL, val8);
4243
4244 /* Set ACK timeout */
4245 rtl8xxxu_write8(priv, REG_ACKTO, 0x40);
4246
4247 /*
4248 * Initialize beacon parameters
4249 */
4250 val16 = BEACON_DISABLE_TSF_UPDATE | (BEACON_DISABLE_TSF_UPDATE << 8);
4251 rtl8xxxu_write16(priv, REG_BEACON_CTRL, val16);
4252 rtl8xxxu_write16(priv, REG_TBTT_PROHIBIT, 0x6404);
4253 if (priv->rtl_chip != RTL8188F && priv->rtl_chip != RTL8710B &&
4254 priv->rtl_chip != RTL8192F)
4255 /* Firmware will control REG_DRVERLYINT when power saving is enable, */
4256 /* so don't set this register on STA mode. */
4257 rtl8xxxu_write8(priv, REG_DRIVER_EARLY_INT, DRIVER_EARLY_INT_TIME);
4258 rtl8xxxu_write8(priv, REG_BEACON_DMA_TIME, BEACON_DMA_ATIME_INT_TIME);
4259 rtl8xxxu_write16(priv, REG_BEACON_TCFG, 0x660F);
4260
4261 /*
4262 * Initialize burst parameters
4263 */
4264 if (priv->fops->init_burst)
4265 priv->fops->init_burst(priv);
4266
4267 if (fops->init_aggregation)
4268 fops->init_aggregation(priv);
4269
4270 if (fops->init_reg_pkt_life_time) {
4271 rtl8xxxu_write16(priv, REG_PKT_VO_VI_LIFE_TIME, 0x0400); /* unit: 256us. 256ms */
4272 rtl8xxxu_write16(priv, REG_PKT_BE_BK_LIFE_TIME, 0x0400); /* unit: 256us. 256ms */
4273 }
4274
4275 /*
4276 * Enable CCK and OFDM block
4277 */
4278 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
4279 val32 |= (FPGA_RF_MODE_CCK | FPGA_RF_MODE_OFDM);
4280 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
4281
4282 /*
4283 * Invalidate all CAM entries - bit 30 is undocumented
4284 */
4285 rtl8xxxu_write32(priv, REG_CAM_CMD, CAM_CMD_POLLING | BIT(30));
4286
4287 /*
4288 * Start out with default power levels for channel 6, 20MHz
4289 */
4290 fops->set_tx_power(priv, 1, false);
4291
4292 /* Let the 8051 take control of antenna setting */
4293 if (priv->rtl_chip != RTL8192E && priv->rtl_chip != RTL8188F &&
4294 priv->rtl_chip != RTL8710B && priv->rtl_chip != RTL8192C) {
4295 val8 = rtl8xxxu_read8(priv, REG_LEDCFG2);
4296 val8 |= LEDCFG2_DPDT_SELECT;
4297 rtl8xxxu_write8(priv, REG_LEDCFG2, val8);
4298 }
4299
4300 rtl8xxxu_write8(priv, REG_HWSEQ_CTRL, 0xff);
4301
4302 /* Disable BAR - not sure if this has any effect on USB */
4303 rtl8xxxu_write32(priv, REG_BAR_MODE_CTRL, 0x0201ffff);
4304
4305 if (priv->rtl_chip != RTL8188F && priv->rtl_chip != RTL8188E &&
4306 priv->rtl_chip != RTL8710B && priv->rtl_chip != RTL8192F)
4307 rtl8xxxu_write16(priv, REG_FAST_EDCA_CTRL, 0);
4308
4309 if (fops->init_statistics)
4310 fops->init_statistics(priv);
4311
4312 if (priv->rtl_chip == RTL8192E) {
4313 /*
4314 * 0x4c6[3] 1: RTS BW = Data BW
4315 * 0: RTS BW depends on CCA / secondary CCA result.
4316 */
4317 val8 = rtl8xxxu_read8(priv, REG_QUEUE_CTRL);
4318 val8 &= ~BIT(3);
4319 rtl8xxxu_write8(priv, REG_QUEUE_CTRL, val8);
4320 /*
4321 * Reset USB mode switch setting
4322 */
4323 rtl8xxxu_write8(priv, REG_ACLK_MON, 0x00);
4324 } else if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8188E ||
4325 priv->rtl_chip == RTL8192F) {
4326 /*
4327 * Init GPIO settings for 8188f, 8188e, 8192f
4328 */
4329 val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
4330 val8 &= ~GPIO_MUXCFG_IO_SEL_ENBT;
4331 rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
4332 }
4333
4334 if (priv->rtl_chip == RTL8188F)
4335 /* CCK PD */
4336 rtl8xxxu_write8(priv, REG_CCK_PD_THRESH, CCK_PD_TYPE1_LV1_TH);
4337
4338 fops->phy_lc_calibrate(priv);
4339
4340 fops->phy_iq_calibrate(priv);
4341
4342 /*
4343 * This should enable thermal meter
4344 */
4345 if (fops->gen2_thermal_meter) {
4346 if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8710B) {
4347 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_T_METER_8723B);
4348 val32 |= 0x30000;
4349 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_T_METER_8723B, val32);
4350 } else {
4351 rtl8xxxu_write_rfreg(priv,
4352 RF_A, RF6052_REG_T_METER_8723B, 0x37cf8);
4353 }
4354 } else {
4355 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_T_METER, 0x60);
4356 }
4357
4358 /* Set NAV_UPPER to 30000us */
4359 val8 = ((30000 + NAV_UPPER_UNIT - 1) / NAV_UPPER_UNIT);
4360 rtl8xxxu_write8(priv, REG_NAV_UPPER, val8);
4361
4362 if (priv->rtl_chip == RTL8723A) {
4363 /*
4364 * 2011/03/09 MH debug only, UMC-B cut pass 2500 S5 test,
4365 * but we need to find root cause.
4366 * This is 8723au only.
4367 */
4368 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE);
4369 if ((val32 & 0xff000000) != 0x83000000) {
4370 val32 |= FPGA_RF_MODE_CCK;
4371 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32);
4372 }
4373 } else if (priv->rtl_chip == RTL8192E || priv->rtl_chip == RTL8188E) {
4374 rtl8xxxu_write8(priv, REG_USB_HRPWM, 0x00);
4375 }
4376
4377 val32 = rtl8xxxu_read32(priv, REG_FWHW_TXQ_CTRL);
4378 val32 |= FWHW_TXQ_CTRL_XMIT_MGMT_ACK;
4379 /* ack for xmit mgmt frames. */
4380 rtl8xxxu_write32(priv, REG_FWHW_TXQ_CTRL, val32);
4381
4382 if (priv->rtl_chip == RTL8192E) {
4383 /*
4384 * Fix LDPC rx hang issue.
4385 */
4386 val32 = rtl8xxxu_read32(priv, REG_AFE_MISC);
4387 rtl8xxxu_write8(priv, REG_8192E_LDOV12_CTRL, 0x75);
4388 val32 &= 0xfff00fff;
4389 val32 |= 0x0007e000;
4390 rtl8xxxu_write32(priv, REG_AFE_MISC, val32);
4391
4392 /*
4393 * 0x824[9] = 0x82C[9] = 0xA80[7] those registers setting
4394 * should be equal or CCK RSSI report may be incorrect
4395 */
4396 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM2);
4397 priv->cck_agc_report_type =
4398 u32_get_bits(val32, FPGA0_HSSI_PARM2_CCK_HIGH_PWR);
4399
4400 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_HSSI_PARM2);
4401 if (priv->cck_agc_report_type !=
4402 u32_get_bits(val32, FPGA0_HSSI_PARM2_CCK_HIGH_PWR)) {
4403 if (priv->cck_agc_report_type)
4404 val32 |= FPGA0_HSSI_PARM2_CCK_HIGH_PWR;
4405 else
4406 val32 &= ~FPGA0_HSSI_PARM2_CCK_HIGH_PWR;
4407 rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM2, val32);
4408 }
4409
4410 val32 = rtl8xxxu_read32(priv, REG_AGC_RPT);
4411 if (priv->cck_agc_report_type)
4412 val32 |= AGC_RPT_CCK;
4413 else
4414 val32 &= ~AGC_RPT_CCK;
4415 rtl8xxxu_write32(priv, REG_AGC_RPT, val32);
4416 }
4417
4418 if (priv->rtl_chip == RTL8710B) {
4419 /*
4420 * 0x76D[5:4] is Port0,Port1 Enable Bit.
4421 * This is only for 8710B, 2b'00 for MP and 2b'11 for Normal Driver
4422 */
4423 val8 = rtl8xxxu_read8(priv, REG_PORT_CONTROL_8710B);
4424 val8 |= BIT(5) | BIT(4);
4425 rtl8xxxu_write8(priv, REG_PORT_CONTROL_8710B, val8);
4426
4427 /* Set 0x5c[8] and [2:0] = 1, LDO mode */
4428 val32 = rtl8xxxu_read32(priv, REG_WL_RF_PSS_8710B);
4429 val32 |= 0x107;
4430 rtl8xxxu_write32(priv, REG_WL_RF_PSS_8710B, val32);
4431 }
4432
4433 val32 = rtl8xxxu_read32(priv, 0xa9c);
4434 priv->cck_new_agc = u32_get_bits(val32, BIT(17));
4435
4436 /* Initialise the center frequency offset tracking */
4437 if (priv->fops->set_crystal_cap) {
4438 val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING);
4439 priv->cfo_tracking.atc_status = val32 & CFO_TRACKING_ATC_STATUS;
4440 priv->cfo_tracking.adjust = true;
4441 priv->cfo_tracking.crystal_cap = priv->default_crystal_cap;
4442 }
4443
4444 if (priv->rtl_chip == RTL8188E)
4445 rtl8188e_ra_info_init_all(&priv->ra_info);
4446
4447 set_bit(RTL8XXXU_BC_MC_MACID, priv->mac_id_map);
4448 set_bit(RTL8XXXU_BC_MC_MACID1, priv->mac_id_map);
4449
4450 exit:
4451 return ret;
4452 }
4453
rtl8xxxu_cam_write(struct rtl8xxxu_priv * priv,struct ieee80211_key_conf * key,const u8 * mac)4454 static void rtl8xxxu_cam_write(struct rtl8xxxu_priv *priv,
4455 struct ieee80211_key_conf *key, const u8 *mac)
4456 {
4457 u32 cmd, val32, addr, ctrl;
4458 int j, i, tmp_debug;
4459
4460 tmp_debug = rtl8xxxu_debug;
4461 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_KEY)
4462 rtl8xxxu_debug |= RTL8XXXU_DEBUG_REG_WRITE;
4463
4464 /*
4465 * This is a bit of a hack - the lower bits of the cipher
4466 * suite selector happens to match the cipher index in the CAM
4467 */
4468 addr = key->hw_key_idx << CAM_CMD_KEY_SHIFT;
4469 ctrl = (key->cipher & 0x0f) << 2 | key->keyidx | CAM_WRITE_VALID;
4470 if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
4471 ctrl |= BIT(6);
4472
4473 for (j = 5; j >= 0; j--) {
4474 switch (j) {
4475 case 0:
4476 val32 = ctrl | (mac[0] << 16) | (mac[1] << 24);
4477 break;
4478 case 1:
4479 val32 = mac[2] | (mac[3] << 8) |
4480 (mac[4] << 16) | (mac[5] << 24);
4481 break;
4482 default:
4483 i = (j - 2) << 2;
4484 val32 = key->key[i] | (key->key[i + 1] << 8) |
4485 key->key[i + 2] << 16 | key->key[i + 3] << 24;
4486 break;
4487 }
4488
4489 rtl8xxxu_write32(priv, REG_CAM_WRITE, val32);
4490 cmd = CAM_CMD_POLLING | CAM_CMD_WRITE | (addr + j);
4491 rtl8xxxu_write32(priv, REG_CAM_CMD, cmd);
4492 udelay(100);
4493 }
4494
4495 rtl8xxxu_debug = tmp_debug;
4496 }
4497
4498 static
rtl8xxxu_get_antenna(struct ieee80211_hw * hw,int radio_idx,u32 * tx_ant,u32 * rx_ant)4499 int rtl8xxxu_get_antenna(struct ieee80211_hw *hw, int radio_idx, u32 *tx_ant,
4500 u32 *rx_ant)
4501 {
4502 struct rtl8xxxu_priv *priv = hw->priv;
4503
4504 *tx_ant = BIT(priv->tx_paths) - 1;
4505 *rx_ant = BIT(priv->rx_paths) - 1;
4506
4507 return 0;
4508 }
4509
rtl8xxxu_set_tim(struct ieee80211_hw * hw,struct ieee80211_sta * sta,bool set)4510 static int rtl8xxxu_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
4511 bool set)
4512 {
4513 struct rtl8xxxu_priv *priv = hw->priv;
4514
4515 schedule_delayed_work(&priv->update_beacon_work, 0);
4516
4517 return 0;
4518 }
4519
rtl8xxxu_sw_scan_start(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const u8 * mac)4520 static void rtl8xxxu_sw_scan_start(struct ieee80211_hw *hw,
4521 struct ieee80211_vif *vif, const u8 *mac)
4522 {
4523 struct rtl8xxxu_priv *priv = hw->priv;
4524 u8 val8;
4525
4526 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL);
4527 val8 |= BEACON_DISABLE_TSF_UPDATE;
4528 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8);
4529 }
4530
rtl8xxxu_sw_scan_complete(struct ieee80211_hw * hw,struct ieee80211_vif * vif)4531 static void rtl8xxxu_sw_scan_complete(struct ieee80211_hw *hw,
4532 struct ieee80211_vif *vif)
4533 {
4534 struct rtl8xxxu_priv *priv = hw->priv;
4535 u8 val8;
4536
4537 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL);
4538 val8 &= ~BEACON_DISABLE_TSF_UPDATE;
4539 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8);
4540 }
4541
rtl8xxxu_update_rate_mask(struct rtl8xxxu_priv * priv,u32 ramask,u8 rateid,int sgi,int txbw_40mhz,u8 macid)4542 void rtl8xxxu_update_rate_mask(struct rtl8xxxu_priv *priv,
4543 u32 ramask, u8 rateid, int sgi, int txbw_40mhz,
4544 u8 macid)
4545 {
4546 struct h2c_cmd h2c;
4547
4548 memset(&h2c, 0, sizeof(struct h2c_cmd));
4549
4550 h2c.ramask.cmd = H2C_SET_RATE_MASK;
4551 h2c.ramask.mask_lo = cpu_to_le16(ramask & 0xffff);
4552 h2c.ramask.mask_hi = cpu_to_le16(ramask >> 16);
4553
4554 h2c.ramask.arg = 0x80;
4555 if (sgi)
4556 h2c.ramask.arg |= 0x20;
4557
4558 dev_dbg(&priv->udev->dev, "%s: rate mask %08x, arg %02x, size %zi\n",
4559 __func__, ramask, h2c.ramask.arg, sizeof(h2c.ramask));
4560 rtl8xxxu_gen1_h2c_cmd(priv, &h2c, sizeof(h2c.ramask));
4561 }
4562
rtl8xxxu_gen2_update_rate_mask(struct rtl8xxxu_priv * priv,u32 ramask,u8 rateid,int sgi,int txbw_40mhz,u8 macid)4563 void rtl8xxxu_gen2_update_rate_mask(struct rtl8xxxu_priv *priv,
4564 u32 ramask, u8 rateid, int sgi, int txbw_40mhz,
4565 u8 macid)
4566 {
4567 struct h2c_cmd h2c;
4568 u8 bw;
4569
4570 if (txbw_40mhz)
4571 bw = RTL8XXXU_CHANNEL_WIDTH_40;
4572 else
4573 bw = RTL8XXXU_CHANNEL_WIDTH_20;
4574
4575 memset(&h2c, 0, sizeof(struct h2c_cmd));
4576
4577 h2c.b_macid_cfg.cmd = H2C_8723B_MACID_CFG_RAID;
4578 h2c.b_macid_cfg.ramask0 = ramask & 0xff;
4579 h2c.b_macid_cfg.ramask1 = (ramask >> 8) & 0xff;
4580 h2c.b_macid_cfg.ramask2 = (ramask >> 16) & 0xff;
4581 h2c.b_macid_cfg.ramask3 = (ramask >> 24) & 0xff;
4582 h2c.b_macid_cfg.macid = macid;
4583
4584 h2c.b_macid_cfg.data1 = rateid;
4585 if (sgi)
4586 h2c.b_macid_cfg.data1 |= BIT(7);
4587
4588 h2c.b_macid_cfg.data2 = bw;
4589
4590 dev_dbg(&priv->udev->dev, "%s: rate mask %08x, rateid %02x, sgi %d, size %zi\n",
4591 __func__, ramask, rateid, sgi, sizeof(h2c.b_macid_cfg));
4592 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.b_macid_cfg));
4593 }
4594
rtl8xxxu_gen1_report_connect(struct rtl8xxxu_priv * priv,u8 macid,u8 role,bool connect)4595 void rtl8xxxu_gen1_report_connect(struct rtl8xxxu_priv *priv,
4596 u8 macid, u8 role, bool connect)
4597 {
4598 struct h2c_cmd h2c;
4599
4600 memset(&h2c, 0, sizeof(struct h2c_cmd));
4601
4602 h2c.joinbss.cmd = H2C_JOIN_BSS_REPORT;
4603
4604 if (connect)
4605 h2c.joinbss.data = H2C_JOIN_BSS_CONNECT;
4606 else
4607 h2c.joinbss.data = H2C_JOIN_BSS_DISCONNECT;
4608
4609 rtl8xxxu_gen1_h2c_cmd(priv, &h2c, sizeof(h2c.joinbss));
4610 }
4611
rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv * priv,u8 macid,u8 role,bool connect)4612 void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv,
4613 u8 macid, u8 role, bool connect)
4614 {
4615 /*
4616 * The firmware turns on the rate control when it knows it's
4617 * connected to a network.
4618 */
4619 struct h2c_cmd h2c;
4620
4621 memset(&h2c, 0, sizeof(struct h2c_cmd));
4622
4623 h2c.media_status_rpt.cmd = H2C_8723B_MEDIA_STATUS_RPT;
4624 if (connect)
4625 h2c.media_status_rpt.parm |= BIT(0);
4626 else
4627 h2c.media_status_rpt.parm &= ~BIT(0);
4628
4629 h2c.media_status_rpt.parm |= ((role << 4) & 0xf0);
4630 h2c.media_status_rpt.macid = macid;
4631
4632 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.media_status_rpt));
4633 }
4634
rtl8xxxu_gen1_report_rssi(struct rtl8xxxu_priv * priv,u8 macid,u8 rssi)4635 void rtl8xxxu_gen1_report_rssi(struct rtl8xxxu_priv *priv, u8 macid, u8 rssi)
4636 {
4637 struct h2c_cmd h2c;
4638 const int h2c_size = 4;
4639
4640 memset(&h2c, 0, sizeof(struct h2c_cmd));
4641
4642 h2c.rssi_report.cmd = H2C_SET_RSSI;
4643 h2c.rssi_report.macid = macid;
4644 h2c.rssi_report.rssi = rssi;
4645
4646 rtl8xxxu_gen1_h2c_cmd(priv, &h2c, h2c_size);
4647 }
4648
rtl8xxxu_gen2_report_rssi(struct rtl8xxxu_priv * priv,u8 macid,u8 rssi)4649 void rtl8xxxu_gen2_report_rssi(struct rtl8xxxu_priv *priv, u8 macid, u8 rssi)
4650 {
4651 struct h2c_cmd h2c;
4652 int h2c_size = sizeof(h2c.rssi_report);
4653
4654 if (priv->rtl_chip == RTL8723B)
4655 h2c_size = 4;
4656
4657 memset(&h2c, 0, sizeof(struct h2c_cmd));
4658
4659 h2c.rssi_report.cmd = H2C_8723B_RSSI_SETTING;
4660 h2c.rssi_report.macid = macid;
4661 h2c.rssi_report.rssi = rssi;
4662
4663 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, h2c_size);
4664 }
4665
rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv * priv)4666 void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv)
4667 {
4668 u8 agg_ctrl, usb_spec, page_thresh, timeout;
4669
4670 usb_spec = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION);
4671 usb_spec &= ~USB_SPEC_USB_AGG_ENABLE;
4672 rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, usb_spec);
4673
4674 agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL);
4675 agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN;
4676
4677 if (!rtl8xxxu_dma_aggregation) {
4678 rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
4679 return;
4680 }
4681
4682 agg_ctrl |= TRXDMA_CTRL_RXDMA_AGG_EN;
4683 rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
4684
4685 /*
4686 * The number of packets we can take looks to be buffer size / 512
4687 * which matches the 512 byte rounding we have to do when de-muxing
4688 * the packets.
4689 *
4690 * Sample numbers from the vendor driver:
4691 * USB High-Speed mode values:
4692 * RxAggBlockCount = 8 : 512 byte unit
4693 * RxAggBlockTimeout = 6
4694 * RxAggPageCount = 48 : 128 byte unit
4695 * RxAggPageTimeout = 4 or 6 (absolute time 34ms/(2^6))
4696 */
4697
4698 page_thresh = (priv->fops->rx_agg_buf_size / 512);
4699 if (rtl8xxxu_dma_agg_pages >= 0) {
4700 if (rtl8xxxu_dma_agg_pages <= page_thresh)
4701 timeout = page_thresh;
4702 else if (rtl8xxxu_dma_agg_pages <= 6)
4703 dev_err(&priv->udev->dev,
4704 "%s: dma_agg_pages=%i too small, minimum is 6\n",
4705 __func__, rtl8xxxu_dma_agg_pages);
4706 else
4707 dev_err(&priv->udev->dev,
4708 "%s: dma_agg_pages=%i larger than limit %i\n",
4709 __func__, rtl8xxxu_dma_agg_pages, page_thresh);
4710 }
4711 rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH, page_thresh);
4712 /*
4713 * REG_RXDMA_AGG_PG_TH + 1 seems to be the timeout register on
4714 * gen2 chips and rtl8188eu. The rtl8723au seems unhappy if we
4715 * don't set it, so better set both.
4716 */
4717 timeout = 4;
4718
4719 if (rtl8xxxu_dma_agg_timeout >= 0) {
4720 if (rtl8xxxu_dma_agg_timeout <= 127)
4721 timeout = rtl8xxxu_dma_agg_timeout;
4722 else
4723 dev_err(&priv->udev->dev,
4724 "%s: Invalid dma_agg_timeout: %i\n",
4725 __func__, rtl8xxxu_dma_agg_timeout);
4726 }
4727
4728 rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH + 1, timeout);
4729 rtl8xxxu_write8(priv, REG_USB_DMA_AGG_TO, timeout);
4730 priv->rx_buf_aggregation = 1;
4731 }
4732
4733 static const struct ieee80211_rate rtl8xxxu_legacy_ratetable[] = {
4734 {.bitrate = 10, .hw_value = 0x00,},
4735 {.bitrate = 20, .hw_value = 0x01,},
4736 {.bitrate = 55, .hw_value = 0x02,},
4737 {.bitrate = 110, .hw_value = 0x03,},
4738 {.bitrate = 60, .hw_value = 0x04,},
4739 {.bitrate = 90, .hw_value = 0x05,},
4740 {.bitrate = 120, .hw_value = 0x06,},
4741 {.bitrate = 180, .hw_value = 0x07,},
4742 {.bitrate = 240, .hw_value = 0x08,},
4743 {.bitrate = 360, .hw_value = 0x09,},
4744 {.bitrate = 480, .hw_value = 0x0a,},
4745 {.bitrate = 540, .hw_value = 0x0b,},
4746 };
4747
rtl8xxxu_set_basic_rates(struct rtl8xxxu_priv * priv,u32 rate_cfg)4748 static void rtl8xxxu_set_basic_rates(struct rtl8xxxu_priv *priv, u32 rate_cfg)
4749 {
4750 struct ieee80211_hw *hw = priv->hw;
4751 u32 val32;
4752 u8 rate_idx = 0;
4753
4754 rate_cfg &= RESPONSE_RATE_BITMAP_ALL;
4755
4756 val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET);
4757 if (hw->conf.chandef.chan->band == NL80211_BAND_5GHZ)
4758 val32 &= RESPONSE_RATE_RRSR_INIT_5G;
4759 else
4760 val32 &= RESPONSE_RATE_RRSR_INIT_2G;
4761 val32 |= rate_cfg;
4762 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32);
4763
4764 dev_dbg(&priv->udev->dev, "%s: rates %08x\n", __func__, rate_cfg);
4765
4766 if (rate_cfg)
4767 rate_idx = __fls(rate_cfg);
4768
4769 rtl8xxxu_write8(priv, REG_INIRTS_RATE_SEL, rate_idx);
4770 }
4771
4772 static u16
rtl8xxxu_wireless_mode(struct ieee80211_hw * hw,struct ieee80211_sta * sta)4773 rtl8xxxu_wireless_mode(struct ieee80211_hw *hw, struct ieee80211_sta *sta)
4774 {
4775 u16 network_type = WIRELESS_MODE_UNKNOWN;
4776
4777 if (hw->conf.chandef.chan->band == NL80211_BAND_5GHZ) {
4778 if (sta->deflink.vht_cap.vht_supported)
4779 network_type = WIRELESS_MODE_AC;
4780 else if (sta->deflink.ht_cap.ht_supported)
4781 network_type = WIRELESS_MODE_N_5G;
4782
4783 network_type |= WIRELESS_MODE_A;
4784 } else {
4785 if (sta->deflink.vht_cap.vht_supported)
4786 network_type = WIRELESS_MODE_AC;
4787 else if (sta->deflink.ht_cap.ht_supported)
4788 network_type = WIRELESS_MODE_N_24G;
4789
4790 if (sta->deflink.supp_rates[0] <= 0xf)
4791 network_type |= WIRELESS_MODE_B;
4792 else if (sta->deflink.supp_rates[0] & 0xf)
4793 network_type |= (WIRELESS_MODE_B | WIRELESS_MODE_G);
4794 else
4795 network_type |= WIRELESS_MODE_G;
4796 }
4797
4798 return network_type;
4799 }
4800
rtl8xxxu_set_aifs(struct rtl8xxxu_priv * priv,u8 slot_time)4801 static void rtl8xxxu_set_aifs(struct rtl8xxxu_priv *priv, u8 slot_time)
4802 {
4803 u32 reg_edca_param[IEEE80211_NUM_ACS] = {
4804 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM,
4805 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM,
4806 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM,
4807 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM,
4808 };
4809 u32 val32;
4810 u16 wireless_mode = 0;
4811 u8 aifs, aifsn, sifs;
4812 int i;
4813
4814 for (i = 0; i < ARRAY_SIZE(priv->vifs); i++) {
4815 struct ieee80211_sta *sta;
4816
4817 if (!priv->vifs[i])
4818 continue;
4819
4820 rcu_read_lock();
4821 sta = ieee80211_find_sta(priv->vifs[i], priv->vifs[i]->bss_conf.bssid);
4822 if (sta)
4823 wireless_mode = rtl8xxxu_wireless_mode(priv->hw, sta);
4824 rcu_read_unlock();
4825
4826 if (wireless_mode)
4827 break;
4828 }
4829
4830 if (priv->hw->conf.chandef.chan->band == NL80211_BAND_5GHZ ||
4831 (wireless_mode & WIRELESS_MODE_N_24G))
4832 sifs = 16;
4833 else
4834 sifs = 10;
4835
4836 for (i = 0; i < IEEE80211_NUM_ACS; i++) {
4837 val32 = rtl8xxxu_read32(priv, reg_edca_param[i]);
4838
4839 /* It was set in conf_tx. */
4840 aifsn = val32 & 0xff;
4841
4842 /* aifsn not set yet or already fixed */
4843 if (aifsn < 2 || aifsn > 15)
4844 continue;
4845
4846 aifs = aifsn * slot_time + sifs;
4847
4848 val32 &= ~0xff;
4849 val32 |= aifs;
4850 rtl8xxxu_write32(priv, reg_edca_param[i], val32);
4851 }
4852 }
4853
rtl8xxxu_update_ra_report(struct rtl8xxxu_ra_report * rarpt,u8 rate,u8 sgi,u8 bw)4854 void rtl8xxxu_update_ra_report(struct rtl8xxxu_ra_report *rarpt,
4855 u8 rate, u8 sgi, u8 bw)
4856 {
4857 rarpt->txrate.flags = 0;
4858
4859 if (rate <= DESC_RATE_54M) {
4860 rarpt->txrate.legacy = rtl8xxxu_legacy_ratetable[rate].bitrate;
4861 } else if (rate >= DESC_RATE_MCS0 && rate <= DESC_RATE_MCS15) {
4862 rarpt->txrate.flags |= RATE_INFO_FLAGS_MCS;
4863 if (rate < DESC_RATE_MCS8)
4864 rarpt->txrate.nss = 1;
4865 else
4866 rarpt->txrate.nss = 2;
4867
4868 rarpt->txrate.mcs = rate - DESC_RATE_MCS0;
4869
4870 if (sgi)
4871 rarpt->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
4872
4873 rarpt->txrate.bw = bw;
4874 } else {
4875 return;
4876 }
4877
4878 rarpt->bit_rate = cfg80211_calculate_bitrate(&rarpt->txrate);
4879 rarpt->desc_rate = rate;
4880 }
4881
4882 static void
rtl8xxxu_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * bss_conf,u64 changed)4883 rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
4884 struct ieee80211_bss_conf *bss_conf, u64 changed)
4885 {
4886 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv;
4887 struct rtl8xxxu_priv *priv = hw->priv;
4888 struct device *dev = &priv->udev->dev;
4889 struct rtl8xxxu_sta_info *sta_info;
4890 struct ieee80211_sta *sta;
4891 struct rtl8xxxu_ra_report *rarpt;
4892 u8 val8, macid;
4893 u32 val32;
4894
4895 rarpt = &priv->ra_report;
4896
4897 if (changed & BSS_CHANGED_ASSOC) {
4898 dev_dbg(dev, "Changed ASSOC: %i!\n", vif->cfg.assoc);
4899
4900 rtl8xxxu_set_linktype(priv, vif->type, rtlvif->port_num);
4901
4902 if (vif->cfg.assoc) {
4903 u32 ramask;
4904 int sgi = 0;
4905 u8 highest_rate;
4906 u8 bw;
4907
4908 rcu_read_lock();
4909 sta = ieee80211_find_sta(vif, bss_conf->bssid);
4910 if (!sta) {
4911 dev_info(dev, "%s: ASSOC no sta found\n",
4912 __func__);
4913 rcu_read_unlock();
4914 goto error;
4915 }
4916 macid = rtl8xxxu_get_macid(priv, sta);
4917
4918 if (sta->deflink.ht_cap.ht_supported)
4919 dev_info(dev, "%s: HT supported\n", __func__);
4920 if (sta->deflink.vht_cap.vht_supported)
4921 dev_info(dev, "%s: VHT supported\n", __func__);
4922
4923 /* TODO: Set bits 28-31 for rate adaptive id */
4924 ramask = (sta->deflink.supp_rates[0] & 0xfff) |
4925 sta->deflink.ht_cap.mcs.rx_mask[0] << 12 |
4926 sta->deflink.ht_cap.mcs.rx_mask[1] << 20;
4927 if (sta->deflink.ht_cap.cap &
4928 (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20))
4929 sgi = 1;
4930
4931 highest_rate = fls(ramask) - 1;
4932 if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
4933 bw = RATE_INFO_BW_40;
4934 else
4935 bw = RATE_INFO_BW_20;
4936
4937 sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv;
4938 sta_info->rssi_level = RTL8XXXU_RATR_STA_INIT;
4939 rcu_read_unlock();
4940
4941 rtl8xxxu_update_ra_report(rarpt, highest_rate, sgi, bw);
4942
4943 priv->fops->update_rate_mask(priv, ramask, 0, sgi,
4944 bw == RATE_INFO_BW_40, macid);
4945
4946 rtl8xxxu_write8(priv, REG_BCN_MAX_ERR, 0xff);
4947
4948 if (rtlvif->port_num == 0)
4949 rtl8xxxu_stop_tx_beacon(priv);
4950
4951 /* joinbss sequence */
4952 rtl8xxxu_write16(priv, REG_BCN_PSR_RPT,
4953 0xc000 | vif->cfg.aid);
4954
4955 priv->fops->report_connect(priv, 0, H2C_MACID_ROLE_AP, true);
4956 } else {
4957 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL);
4958 val8 |= BEACON_DISABLE_TSF_UPDATE;
4959 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8);
4960
4961 priv->fops->report_connect(priv, 0, H2C_MACID_ROLE_AP, false);
4962 }
4963 }
4964
4965 if (changed & BSS_CHANGED_ERP_PREAMBLE) {
4966 dev_dbg(dev, "Changed ERP_PREAMBLE: Use short preamble %i\n",
4967 bss_conf->use_short_preamble);
4968 val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET);
4969 if (bss_conf->use_short_preamble)
4970 val32 |= RSR_ACK_SHORT_PREAMBLE;
4971 else
4972 val32 &= ~RSR_ACK_SHORT_PREAMBLE;
4973 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32);
4974 }
4975
4976 if (changed & BSS_CHANGED_ERP_SLOT) {
4977 dev_dbg(dev, "Changed ERP_SLOT: short_slot_time %i\n",
4978 bss_conf->use_short_slot);
4979
4980 if (bss_conf->use_short_slot)
4981 val8 = 9;
4982 else
4983 val8 = 20;
4984 rtl8xxxu_write8(priv, REG_SLOT, val8);
4985
4986 rtl8xxxu_set_aifs(priv, val8);
4987 }
4988
4989 if (changed & BSS_CHANGED_BSSID) {
4990 dev_dbg(dev, "Changed BSSID!\n");
4991 rtl8xxxu_set_bssid(priv, bss_conf->bssid, rtlvif->port_num);
4992 }
4993
4994 if (changed & BSS_CHANGED_BASIC_RATES) {
4995 dev_dbg(dev, "Changed BASIC_RATES!\n");
4996 rtl8xxxu_set_basic_rates(priv, bss_conf->basic_rates);
4997 }
4998
4999 if (changed & BSS_CHANGED_BEACON_ENABLED) {
5000 if (bss_conf->enable_beacon) {
5001 rtl8xxxu_start_tx_beacon(priv);
5002 schedule_delayed_work(&priv->update_beacon_work, 0);
5003 } else {
5004 rtl8xxxu_stop_tx_beacon(priv);
5005 }
5006 }
5007
5008 if (changed & BSS_CHANGED_BEACON)
5009 schedule_delayed_work(&priv->update_beacon_work, 0);
5010
5011 error:
5012 return;
5013 }
5014
rtl8xxxu_start_ap(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * link_conf)5015 static int rtl8xxxu_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
5016 struct ieee80211_bss_conf *link_conf)
5017 {
5018 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv;
5019 struct rtl8xxxu_priv *priv = hw->priv;
5020 struct device *dev = &priv->udev->dev;
5021
5022 dev_dbg(dev, "Start AP mode\n");
5023 rtl8xxxu_set_bssid(priv, vif->bss_conf.bssid, rtlvif->port_num);
5024 rtl8xxxu_write16(priv, REG_BCN_INTERVAL, vif->bss_conf.beacon_int);
5025 priv->fops->report_connect(priv, RTL8XXXU_BC_MC_MACID, 0, true);
5026
5027 return 0;
5028 }
5029
rtl8xxxu_80211_to_rtl_queue(u32 queue)5030 static u32 rtl8xxxu_80211_to_rtl_queue(u32 queue)
5031 {
5032 u32 rtlqueue;
5033
5034 switch (queue) {
5035 case IEEE80211_AC_VO:
5036 rtlqueue = TXDESC_QUEUE_VO;
5037 break;
5038 case IEEE80211_AC_VI:
5039 rtlqueue = TXDESC_QUEUE_VI;
5040 break;
5041 case IEEE80211_AC_BE:
5042 rtlqueue = TXDESC_QUEUE_BE;
5043 break;
5044 case IEEE80211_AC_BK:
5045 rtlqueue = TXDESC_QUEUE_BK;
5046 break;
5047 default:
5048 rtlqueue = TXDESC_QUEUE_BE;
5049 }
5050
5051 return rtlqueue;
5052 }
5053
rtl8xxxu_queue_select(struct ieee80211_hdr * hdr,struct sk_buff * skb)5054 static u32 rtl8xxxu_queue_select(struct ieee80211_hdr *hdr, struct sk_buff *skb)
5055 {
5056 u32 queue;
5057
5058 if (unlikely(ieee80211_is_beacon(hdr->frame_control)))
5059 queue = TXDESC_QUEUE_BEACON;
5060 else if (ieee80211_is_mgmt(hdr->frame_control))
5061 queue = TXDESC_QUEUE_MGNT;
5062 else
5063 queue = rtl8xxxu_80211_to_rtl_queue(skb_get_queue_mapping(skb));
5064
5065 return queue;
5066 }
5067
5068 /*
5069 * Despite newer chips 8723b/8812/8821 having a larger TX descriptor
5070 * format. The descriptor checksum is still only calculated over the
5071 * initial 32 bytes of the descriptor!
5072 */
rtl8xxxu_calc_tx_desc_csum(struct rtl8xxxu_txdesc32 * tx_desc)5073 static void rtl8xxxu_calc_tx_desc_csum(struct rtl8xxxu_txdesc32 *tx_desc)
5074 {
5075 __le16 *ptr = (__le16 *)tx_desc;
5076 u16 csum = 0;
5077 int i;
5078
5079 /*
5080 * Clear csum field before calculation, as the csum field is
5081 * in the middle of the struct.
5082 */
5083 tx_desc->csum = cpu_to_le16(0);
5084
5085 for (i = 0; i < (sizeof(struct rtl8xxxu_txdesc32) / sizeof(u16)); i++)
5086 csum = csum ^ le16_to_cpu(ptr[i]);
5087
5088 tx_desc->csum |= cpu_to_le16(csum);
5089 }
5090
rtl8xxxu_free_tx_resources(struct rtl8xxxu_priv * priv)5091 static void rtl8xxxu_free_tx_resources(struct rtl8xxxu_priv *priv)
5092 {
5093 struct rtl8xxxu_tx_urb *tx_urb, *tmp;
5094 unsigned long flags;
5095
5096 spin_lock_irqsave(&priv->tx_urb_lock, flags);
5097 list_for_each_entry_safe(tx_urb, tmp, &priv->tx_urb_free_list, list) {
5098 list_del(&tx_urb->list);
5099 priv->tx_urb_free_count--;
5100 usb_free_urb(&tx_urb->urb);
5101 }
5102 spin_unlock_irqrestore(&priv->tx_urb_lock, flags);
5103 }
5104
5105 static struct rtl8xxxu_tx_urb *
rtl8xxxu_alloc_tx_urb(struct rtl8xxxu_priv * priv)5106 rtl8xxxu_alloc_tx_urb(struct rtl8xxxu_priv *priv)
5107 {
5108 struct rtl8xxxu_tx_urb *tx_urb;
5109 unsigned long flags;
5110
5111 spin_lock_irqsave(&priv->tx_urb_lock, flags);
5112 tx_urb = list_first_entry_or_null(&priv->tx_urb_free_list,
5113 struct rtl8xxxu_tx_urb, list);
5114 if (tx_urb) {
5115 list_del(&tx_urb->list);
5116 priv->tx_urb_free_count--;
5117 if (priv->tx_urb_free_count < RTL8XXXU_TX_URB_LOW_WATER &&
5118 !priv->tx_stopped) {
5119 priv->tx_stopped = true;
5120 ieee80211_stop_queues(priv->hw);
5121 }
5122 }
5123
5124 spin_unlock_irqrestore(&priv->tx_urb_lock, flags);
5125
5126 return tx_urb;
5127 }
5128
rtl8xxxu_free_tx_urb(struct rtl8xxxu_priv * priv,struct rtl8xxxu_tx_urb * tx_urb)5129 static void rtl8xxxu_free_tx_urb(struct rtl8xxxu_priv *priv,
5130 struct rtl8xxxu_tx_urb *tx_urb)
5131 {
5132 unsigned long flags;
5133
5134 INIT_LIST_HEAD(&tx_urb->list);
5135
5136 spin_lock_irqsave(&priv->tx_urb_lock, flags);
5137
5138 list_add(&tx_urb->list, &priv->tx_urb_free_list);
5139 priv->tx_urb_free_count++;
5140 if (priv->tx_urb_free_count > RTL8XXXU_TX_URB_HIGH_WATER &&
5141 priv->tx_stopped) {
5142 priv->tx_stopped = false;
5143 ieee80211_wake_queues(priv->hw);
5144 }
5145
5146 spin_unlock_irqrestore(&priv->tx_urb_lock, flags);
5147 }
5148
rtl8xxxu_tx_complete(struct urb * urb)5149 static void rtl8xxxu_tx_complete(struct urb *urb)
5150 {
5151 struct sk_buff *skb = (struct sk_buff *)urb->context;
5152 struct ieee80211_tx_info *tx_info;
5153 struct ieee80211_hw *hw;
5154 struct rtl8xxxu_priv *priv;
5155 struct rtl8xxxu_tx_urb *tx_urb =
5156 container_of(urb, struct rtl8xxxu_tx_urb, urb);
5157
5158 tx_info = IEEE80211_SKB_CB(skb);
5159 hw = tx_info->rate_driver_data[0];
5160 priv = hw->priv;
5161
5162 skb_pull(skb, priv->fops->tx_desc_size);
5163
5164 ieee80211_tx_info_clear_status(tx_info);
5165 tx_info->status.rates[0].idx = -1;
5166 tx_info->status.rates[0].count = 0;
5167
5168 if (!urb->status)
5169 tx_info->flags |= IEEE80211_TX_STAT_ACK;
5170
5171 ieee80211_tx_status_irqsafe(hw, skb);
5172
5173 rtl8xxxu_free_tx_urb(priv, tx_urb);
5174 }
5175
rtl8xxxu_dump_action(struct device * dev,struct ieee80211_hdr * hdr,unsigned int skb_len)5176 static void rtl8xxxu_dump_action(struct device *dev,
5177 struct ieee80211_hdr *hdr, unsigned int skb_len)
5178 {
5179 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)hdr;
5180 u16 cap, timeout;
5181
5182 if (!(rtl8xxxu_debug & RTL8XXXU_DEBUG_ACTION))
5183 return;
5184
5185 if (skb_len < IEEE80211_MIN_ACTION_SIZE(action_code))
5186 return;
5187
5188 switch (mgmt->u.action.action_code) {
5189 case WLAN_ACTION_ADDBA_RESP:
5190 if (skb_len < IEEE80211_MIN_ACTION_SIZE(addba_resp))
5191 break;
5192
5193 cap = le16_to_cpu(mgmt->u.action.addba_resp.capab);
5194 timeout = le16_to_cpu(mgmt->u.action.addba_resp.timeout);
5195 dev_info(dev, "WLAN_ACTION_ADDBA_RESP: "
5196 "timeout %i, tid %02x, buf_size %02x, policy %02x, "
5197 "status %02x\n",
5198 timeout,
5199 (cap & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2,
5200 (cap & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6,
5201 (cap >> 1) & 0x1,
5202 le16_to_cpu(mgmt->u.action.addba_resp.status));
5203 break;
5204 case WLAN_ACTION_ADDBA_REQ:
5205 if (skb_len < IEEE80211_MIN_ACTION_SIZE(addba_req))
5206 break;
5207
5208 cap = le16_to_cpu(mgmt->u.action.addba_req.capab);
5209 timeout = le16_to_cpu(mgmt->u.action.addba_req.timeout);
5210 dev_info(dev, "WLAN_ACTION_ADDBA_REQ: "
5211 "timeout %i, tid %02x, buf_size %02x, policy %02x\n",
5212 timeout,
5213 (cap & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2,
5214 (cap & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6,
5215 (cap >> 1) & 0x1);
5216 break;
5217 default:
5218 dev_info(dev, "action frame %02x\n",
5219 mgmt->u.action.action_code);
5220 break;
5221 }
5222 }
5223
5224 /*
5225 * Fill in v1 (gen1) specific TX descriptor bits.
5226 * This format is used on 8188cu/8192cu/8723au
5227 */
5228 void
rtl8xxxu_fill_txdesc_v1(struct ieee80211_hw * hw,struct ieee80211_hdr * hdr,struct ieee80211_tx_info * tx_info,struct rtl8xxxu_txdesc32 * tx_desc,bool sgi,bool short_preamble,bool ampdu_enable,u32 rts_rate,u8 macid)5229 rtl8xxxu_fill_txdesc_v1(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr,
5230 struct ieee80211_tx_info *tx_info,
5231 struct rtl8xxxu_txdesc32 *tx_desc, bool sgi,
5232 bool short_preamble, bool ampdu_enable, u32 rts_rate,
5233 u8 macid)
5234 {
5235 struct rtl8xxxu_priv *priv = hw->priv;
5236 struct device *dev = &priv->udev->dev;
5237 u8 *qc = ieee80211_get_qos_ctl(hdr);
5238 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
5239 u32 rate = 0;
5240 u16 seq_number;
5241
5242 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX)
5243 dev_info(dev, "%s: TX rate: %d, pkt size %u\n",
5244 __func__, rate, le16_to_cpu(tx_desc->pkt_size));
5245
5246 seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
5247
5248 tx_desc->txdw5 = cpu_to_le32(rate);
5249
5250 if (ieee80211_is_data(hdr->frame_control))
5251 tx_desc->txdw5 |= cpu_to_le32(0x0001ff00);
5252
5253 tx_desc->txdw3 = cpu_to_le32((u32)seq_number << TXDESC32_SEQ_SHIFT);
5254
5255 if (ampdu_enable && test_bit(tid, priv->tid_tx_operational))
5256 tx_desc->txdw1 |= cpu_to_le32(TXDESC32_AGG_ENABLE);
5257 else
5258 tx_desc->txdw1 |= cpu_to_le32(TXDESC32_AGG_BREAK);
5259
5260 if (ieee80211_is_mgmt(hdr->frame_control)) {
5261 tx_desc->txdw5 = cpu_to_le32(rate);
5262 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE);
5263 tx_desc->txdw5 |= cpu_to_le32(6 << TXDESC32_RETRY_LIMIT_SHIFT);
5264 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_RETRY_LIMIT_ENABLE);
5265 }
5266
5267 if (ieee80211_is_data_qos(hdr->frame_control)) {
5268 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_QOS);
5269
5270 if (conf_is_ht40(&hw->conf)) {
5271 tx_desc->txdw4 |= cpu_to_le32(TXDESC_DATA_BW);
5272
5273 if (conf_is_ht40_minus(&hw->conf))
5274 tx_desc->txdw4 |= cpu_to_le32(TXDESC_PRIME_CH_OFF_UPPER);
5275 else
5276 tx_desc->txdw4 |= cpu_to_le32(TXDESC_PRIME_CH_OFF_LOWER);
5277 }
5278 }
5279
5280 if (short_preamble)
5281 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_SHORT_PREAMBLE);
5282
5283 if (sgi)
5284 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_SHORT_GI);
5285
5286 /*
5287 * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled
5288 */
5289 tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT);
5290 if (ampdu_enable || tx_info->control.use_rts) {
5291 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE);
5292 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE);
5293 } else if (tx_info->control.use_cts_prot) {
5294 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE);
5295 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE);
5296 }
5297 }
5298
5299 /*
5300 * Fill in v2 (gen2) specific TX descriptor bits.
5301 * This format is used on 8192eu/8723bu
5302 */
5303 void
rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw * hw,struct ieee80211_hdr * hdr,struct ieee80211_tx_info * tx_info,struct rtl8xxxu_txdesc32 * tx_desc32,bool sgi,bool short_preamble,bool ampdu_enable,u32 rts_rate,u8 macid)5304 rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr,
5305 struct ieee80211_tx_info *tx_info,
5306 struct rtl8xxxu_txdesc32 *tx_desc32, bool sgi,
5307 bool short_preamble, bool ampdu_enable, u32 rts_rate,
5308 u8 macid)
5309 {
5310 struct rtl8xxxu_priv *priv = hw->priv;
5311 struct device *dev = &priv->udev->dev;
5312 struct rtl8xxxu_txdesc40 *tx_desc40;
5313 u8 *qc = ieee80211_get_qos_ctl(hdr);
5314 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
5315 u32 rate = 0;
5316 u16 seq_number;
5317
5318 tx_desc40 = (struct rtl8xxxu_txdesc40 *)tx_desc32;
5319
5320 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX)
5321 dev_info(dev, "%s: TX rate: %d, pkt size %u\n",
5322 __func__, rate, le16_to_cpu(tx_desc40->pkt_size));
5323
5324 tx_desc40->txdw1 |= cpu_to_le32(macid << TXDESC40_MACID_SHIFT);
5325
5326 seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
5327
5328 tx_desc40->txdw4 = cpu_to_le32(rate);
5329 if (ieee80211_is_data(hdr->frame_control)) {
5330 tx_desc40->txdw4 |= cpu_to_le32(0x1f <<
5331 TXDESC40_DATA_RATE_FB_SHIFT);
5332 }
5333
5334 tx_desc40->txdw9 = cpu_to_le32((u32)seq_number << TXDESC40_SEQ_SHIFT);
5335
5336 if (ampdu_enable && test_bit(tid, priv->tid_tx_operational))
5337 tx_desc40->txdw2 |= cpu_to_le32(TXDESC40_AGG_ENABLE);
5338 else
5339 tx_desc40->txdw2 |= cpu_to_le32(TXDESC40_AGG_BREAK);
5340
5341 if (ieee80211_is_mgmt(hdr->frame_control)) {
5342 tx_desc40->txdw4 = cpu_to_le32(rate);
5343 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_USE_DRIVER_RATE);
5344 tx_desc40->txdw4 |=
5345 cpu_to_le32(6 << TXDESC40_RETRY_LIMIT_SHIFT);
5346 tx_desc40->txdw4 |= cpu_to_le32(TXDESC40_RETRY_LIMIT_ENABLE);
5347 }
5348
5349 if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
5350 tx_desc40->txdw8 |= cpu_to_le32(TXDESC40_HW_SEQ_ENABLE);
5351
5352 if (short_preamble)
5353 tx_desc40->txdw5 |= cpu_to_le32(TXDESC40_SHORT_PREAMBLE);
5354
5355 tx_desc40->txdw4 |= cpu_to_le32(rts_rate << TXDESC40_RTS_RATE_SHIFT);
5356
5357 /*
5358 * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled
5359 */
5360 if (ampdu_enable || tx_info->control.use_rts) {
5361 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_RTS_CTS_ENABLE);
5362 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_HW_RTS_ENABLE);
5363 } else if (tx_info->control.use_cts_prot) {
5364 /*
5365 * For some reason the vendor driver doesn't set
5366 * TXDESC40_HW_RTS_ENABLE for CTS to SELF
5367 */
5368 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_CTS_SELF_ENABLE);
5369 }
5370 }
5371
5372 /*
5373 * Fill in v3 (gen1) specific TX descriptor bits.
5374 * This format is a hybrid between the v1 and v2 formats, only seen
5375 * on 8188eu devices so far.
5376 */
5377 void
rtl8xxxu_fill_txdesc_v3(struct ieee80211_hw * hw,struct ieee80211_hdr * hdr,struct ieee80211_tx_info * tx_info,struct rtl8xxxu_txdesc32 * tx_desc,bool sgi,bool short_preamble,bool ampdu_enable,u32 rts_rate,u8 macid)5378 rtl8xxxu_fill_txdesc_v3(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr,
5379 struct ieee80211_tx_info *tx_info,
5380 struct rtl8xxxu_txdesc32 *tx_desc, bool sgi,
5381 bool short_preamble, bool ampdu_enable, u32 rts_rate,
5382 u8 macid)
5383 {
5384 struct rtl8xxxu_priv *priv = hw->priv;
5385 struct device *dev = &priv->udev->dev;
5386 struct rtl8xxxu_ra_info *ra = &priv->ra_info;
5387 u8 *qc = ieee80211_get_qos_ctl(hdr);
5388 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
5389 u32 rate = 0;
5390 u16 seq_number;
5391
5392 seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
5393
5394 if (ieee80211_is_data(hdr->frame_control)) {
5395 rate = ra->decision_rate;
5396 tx_desc->txdw5 = cpu_to_le32(rate);
5397 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE);
5398 tx_desc->txdw4 |= le32_encode_bits(ra->pt_stage, TXDESC32_PT_STAGE_MASK);
5399 /* Data/RTS rate FB limit */
5400 tx_desc->txdw5 |= cpu_to_le32(0x0001ff00);
5401 }
5402
5403 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX)
5404 dev_info(dev, "%s: TX rate: %d, pkt size %d\n",
5405 __func__, rate, le16_to_cpu(tx_desc->pkt_size));
5406
5407 tx_desc->txdw3 = cpu_to_le32((u32)seq_number << TXDESC32_SEQ_SHIFT);
5408
5409 if (ampdu_enable && test_bit(tid, priv->tid_tx_operational))
5410 tx_desc->txdw2 |= cpu_to_le32(TXDESC40_AGG_ENABLE);
5411 else
5412 tx_desc->txdw2 |= cpu_to_le32(TXDESC40_AGG_BREAK);
5413
5414 if (ieee80211_is_mgmt(hdr->frame_control)) {
5415 tx_desc->txdw5 = cpu_to_le32(rate);
5416 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE);
5417 tx_desc->txdw5 |= cpu_to_le32(6 << TXDESC32_RETRY_LIMIT_SHIFT);
5418 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_RETRY_LIMIT_ENABLE);
5419 }
5420
5421 if (ieee80211_is_data_qos(hdr->frame_control)) {
5422 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_QOS);
5423
5424 if (conf_is_ht40(&hw->conf)) {
5425 tx_desc->txdw4 |= cpu_to_le32(TXDESC_DATA_BW);
5426
5427 if (conf_is_ht40_minus(&hw->conf))
5428 tx_desc->txdw4 |= cpu_to_le32(TXDESC_PRIME_CH_OFF_UPPER);
5429 else
5430 tx_desc->txdw4 |= cpu_to_le32(TXDESC_PRIME_CH_OFF_LOWER);
5431 }
5432 }
5433
5434 if (short_preamble)
5435 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_SHORT_PREAMBLE);
5436
5437 if (sgi && ra->rate_sgi)
5438 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_SHORT_GI);
5439
5440 /*
5441 * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled
5442 */
5443 tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT);
5444 if (ampdu_enable || tx_info->control.use_rts) {
5445 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE);
5446 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE);
5447 } else if (tx_info->control.use_cts_prot) {
5448 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE);
5449 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE);
5450 }
5451
5452 tx_desc->txdw2 |= cpu_to_le32(TXDESC_ANTENNA_SELECT_A |
5453 TXDESC_ANTENNA_SELECT_B);
5454 tx_desc->txdw7 |= cpu_to_le16(TXDESC_ANTENNA_SELECT_C >> 16);
5455 }
5456
rtl8xxxu_tx(struct ieee80211_hw * hw,struct ieee80211_tx_control * control,struct sk_buff * skb)5457 static void rtl8xxxu_tx(struct ieee80211_hw *hw,
5458 struct ieee80211_tx_control *control,
5459 struct sk_buff *skb)
5460 {
5461 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
5462 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
5463 struct rtl8xxxu_priv *priv = hw->priv;
5464 struct rtl8xxxu_txdesc32 *tx_desc;
5465 struct rtl8xxxu_tx_urb *tx_urb;
5466 struct ieee80211_sta *sta = NULL;
5467 struct ieee80211_vif *vif = tx_info->control.vif;
5468 struct rtl8xxxu_vif *rtlvif = vif ? (struct rtl8xxxu_vif *)vif->drv_priv : NULL;
5469 struct device *dev = &priv->udev->dev;
5470 u32 queue, rts_rate;
5471 u16 pktlen = skb->len;
5472 int tx_desc_size = priv->fops->tx_desc_size;
5473 u8 macid;
5474 int ret;
5475 bool ampdu_enable, sgi = false, short_preamble = false, bmc = false;
5476
5477 if (skb_headroom(skb) < tx_desc_size) {
5478 dev_warn(dev,
5479 "%s: Not enough headroom (%i) for tx descriptor\n",
5480 __func__, skb_headroom(skb));
5481 goto error;
5482 }
5483
5484 if (unlikely(skb->len > (65535 - tx_desc_size))) {
5485 dev_warn(dev, "%s: Trying to send over-sized skb (%i)\n",
5486 __func__, skb->len);
5487 goto error;
5488 }
5489
5490 tx_urb = rtl8xxxu_alloc_tx_urb(priv);
5491 if (!tx_urb) {
5492 dev_warn(dev, "%s: Unable to allocate tx urb\n", __func__);
5493 goto error;
5494 }
5495
5496 if (ieee80211_is_action(hdr->frame_control))
5497 rtl8xxxu_dump_action(dev, hdr, skb->len);
5498
5499 tx_info->rate_driver_data[0] = hw;
5500
5501 if (control && control->sta)
5502 sta = control->sta;
5503
5504 queue = rtl8xxxu_queue_select(hdr, skb);
5505
5506 tx_desc = skb_push(skb, tx_desc_size);
5507
5508 memset(tx_desc, 0, tx_desc_size);
5509 tx_desc->pkt_size = cpu_to_le16(pktlen);
5510 tx_desc->pkt_offset = tx_desc_size;
5511
5512 /* These bits mean different things to the RTL8192F. */
5513 if (priv->rtl_chip != RTL8192F)
5514 tx_desc->txdw0 =
5515 TXDESC_OWN | TXDESC_FIRST_SEGMENT | TXDESC_LAST_SEGMENT;
5516 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
5517 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
5518 tx_desc->txdw0 |= TXDESC_BROADMULTICAST;
5519 bmc = true;
5520 }
5521
5522
5523 tx_desc->txdw1 = cpu_to_le32(queue << TXDESC_QUEUE_SHIFT);
5524 macid = rtl8xxxu_get_macid(priv, sta);
5525
5526 if (tx_info->control.hw_key) {
5527 switch (tx_info->control.hw_key->cipher) {
5528 case WLAN_CIPHER_SUITE_WEP40:
5529 case WLAN_CIPHER_SUITE_WEP104:
5530 case WLAN_CIPHER_SUITE_TKIP:
5531 tx_desc->txdw1 |= cpu_to_le32(TXDESC_SEC_RC4);
5532 break;
5533 case WLAN_CIPHER_SUITE_CCMP:
5534 tx_desc->txdw1 |= cpu_to_le32(TXDESC_SEC_AES);
5535 break;
5536 default:
5537 break;
5538 }
5539 if (bmc && rtlvif && rtlvif->hw_key_idx != 0xff) {
5540 tx_desc->txdw1 |= cpu_to_le32(TXDESC_EN_DESC_ID);
5541 macid = rtlvif->hw_key_idx;
5542 }
5543 }
5544
5545 /* (tx_info->flags & IEEE80211_TX_CTL_AMPDU) && */
5546 ampdu_enable = false;
5547 if (ieee80211_is_data_qos(hdr->frame_control) && sta) {
5548 if (sta->deflink.ht_cap.ht_supported) {
5549 u32 ampdu, val32;
5550 u8 *qc = ieee80211_get_qos_ctl(hdr);
5551 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
5552
5553 ampdu = (u32)sta->deflink.ht_cap.ampdu_density;
5554 val32 = ampdu << TXDESC_AMPDU_DENSITY_SHIFT;
5555 tx_desc->txdw2 |= cpu_to_le32(val32);
5556
5557 ampdu_enable = true;
5558
5559 if (!test_bit(tid, priv->tx_aggr_started) &&
5560 !(skb->protocol == cpu_to_be16(ETH_P_PAE)))
5561 if (!ieee80211_start_tx_ba_session(sta, tid, 0))
5562 set_bit(tid, priv->tx_aggr_started);
5563 }
5564 }
5565
5566 if (ieee80211_is_data_qos(hdr->frame_control) &&
5567 sta && sta->deflink.ht_cap.cap &
5568 (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20))
5569 sgi = true;
5570
5571 if (sta && vif && vif->bss_conf.use_short_preamble)
5572 short_preamble = true;
5573
5574 if (skb->len > hw->wiphy->rts_threshold)
5575 tx_info->control.use_rts = true;
5576
5577 if (sta && vif && vif->bss_conf.use_cts_prot)
5578 tx_info->control.use_cts_prot = true;
5579
5580 if (ampdu_enable || tx_info->control.use_rts ||
5581 tx_info->control.use_cts_prot)
5582 rts_rate = DESC_RATE_24M;
5583 else
5584 rts_rate = 0;
5585
5586 priv->fops->fill_txdesc(hw, hdr, tx_info, tx_desc, sgi, short_preamble,
5587 ampdu_enable, rts_rate, macid);
5588
5589 rtl8xxxu_calc_tx_desc_csum(tx_desc);
5590
5591 /* avoid zero checksum make tx hang */
5592 if (priv->rtl_chip == RTL8710B || priv->rtl_chip == RTL8192F)
5593 tx_desc->csum = ~tx_desc->csum;
5594
5595 usb_fill_bulk_urb(&tx_urb->urb, priv->udev, priv->pipe_out[queue],
5596 skb->data, skb->len, rtl8xxxu_tx_complete, skb);
5597
5598 usb_anchor_urb(&tx_urb->urb, &priv->tx_anchor);
5599 ret = usb_submit_urb(&tx_urb->urb, GFP_ATOMIC);
5600 if (ret) {
5601 usb_unanchor_urb(&tx_urb->urb);
5602 rtl8xxxu_free_tx_urb(priv, tx_urb);
5603 goto error;
5604 }
5605 return;
5606 error:
5607 dev_kfree_skb(skb);
5608 }
5609
rtl8xxxu_send_beacon_frame(struct ieee80211_hw * hw,struct ieee80211_vif * vif)5610 static void rtl8xxxu_send_beacon_frame(struct ieee80211_hw *hw,
5611 struct ieee80211_vif *vif)
5612 {
5613 struct rtl8xxxu_priv *priv = hw->priv;
5614 struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0);
5615 struct device *dev = &priv->udev->dev;
5616 int retry;
5617 u8 val8;
5618
5619 /* BCN_VALID, write 1 to clear, cleared by SW */
5620 val8 = rtl8xxxu_read8(priv, REG_TDECTRL + 2);
5621 val8 |= BIT_BCN_VALID >> 16;
5622 rtl8xxxu_write8(priv, REG_TDECTRL + 2, val8);
5623
5624 /* SW_BCN_SEL - Port0 */
5625 val8 = rtl8xxxu_read8(priv, REG_DWBCN1_CTRL_8723B + 2);
5626 val8 &= ~(BIT_SW_BCN_SEL >> 16);
5627 rtl8xxxu_write8(priv, REG_DWBCN1_CTRL_8723B + 2, val8);
5628
5629 if (skb)
5630 rtl8xxxu_tx(hw, NULL, skb);
5631
5632 retry = 100;
5633 do {
5634 val8 = rtl8xxxu_read8(priv, REG_TDECTRL + 2);
5635 if (val8 & (BIT_BCN_VALID >> 16))
5636 break;
5637 usleep_range(10, 20);
5638 } while (--retry);
5639
5640 if (!retry)
5641 dev_err(dev, "%s: Failed to read beacon valid bit\n", __func__);
5642 }
5643
rtl8xxxu_update_beacon_work_callback(struct work_struct * work)5644 static void rtl8xxxu_update_beacon_work_callback(struct work_struct *work)
5645 {
5646 struct rtl8xxxu_priv *priv =
5647 container_of(work, struct rtl8xxxu_priv, update_beacon_work.work);
5648 struct ieee80211_hw *hw = priv->hw;
5649 struct ieee80211_vif *vif = priv->vifs[0];
5650
5651 if (!vif) {
5652 WARN_ONCE(true, "no vif to update beacon\n");
5653 return;
5654 }
5655
5656 if (vif->bss_conf.csa_active) {
5657 if (ieee80211_beacon_cntdwn_is_complete(vif, 0)) {
5658 ieee80211_csa_finish(vif, 0);
5659 return;
5660 }
5661 schedule_delayed_work(&priv->update_beacon_work,
5662 msecs_to_jiffies(vif->bss_conf.beacon_int));
5663 }
5664 rtl8xxxu_send_beacon_frame(hw, vif);
5665 }
5666
rtl8xxxu_is_packet_match_bssid(struct rtl8xxxu_priv * priv,struct ieee80211_hdr * hdr,int port_num)5667 static inline bool rtl8xxxu_is_packet_match_bssid(struct rtl8xxxu_priv *priv,
5668 struct ieee80211_hdr *hdr,
5669 int port_num)
5670 {
5671 return priv->vifs[port_num] &&
5672 priv->vifs[port_num]->type == NL80211_IFTYPE_STATION &&
5673 priv->vifs[port_num]->cfg.assoc &&
5674 ether_addr_equal(priv->vifs[port_num]->bss_conf.bssid, hdr->addr2);
5675 }
5676
rtl8xxxu_is_sta_sta(struct rtl8xxxu_priv * priv)5677 static inline bool rtl8xxxu_is_sta_sta(struct rtl8xxxu_priv *priv)
5678 {
5679 return (priv->vifs[0] && priv->vifs[0]->cfg.assoc &&
5680 priv->vifs[0]->type == NL80211_IFTYPE_STATION) &&
5681 (priv->vifs[1] && priv->vifs[1]->cfg.assoc &&
5682 priv->vifs[1]->type == NL80211_IFTYPE_STATION);
5683 }
5684
rtl8723au_rx_parse_phystats(struct rtl8xxxu_priv * priv,struct ieee80211_rx_status * rx_status,struct rtl8723au_phy_stats * phy_stats,u32 rxmcs,struct ieee80211_hdr * hdr,bool crc_icv_err)5685 void rtl8723au_rx_parse_phystats(struct rtl8xxxu_priv *priv,
5686 struct ieee80211_rx_status *rx_status,
5687 struct rtl8723au_phy_stats *phy_stats,
5688 u32 rxmcs, struct ieee80211_hdr *hdr,
5689 bool crc_icv_err)
5690 {
5691 if (phy_stats->sgi_en)
5692 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
5693
5694 if (rxmcs < DESC_RATE_6M) {
5695 /*
5696 * Handle PHY stats for CCK rates
5697 */
5698 rx_status->signal = priv->fops->cck_rssi(priv, phy_stats);
5699 } else {
5700 bool parse_cfo = priv->fops->set_crystal_cap &&
5701 !crc_icv_err &&
5702 !ieee80211_is_ctl(hdr->frame_control) &&
5703 !rtl8xxxu_is_sta_sta(priv) &&
5704 (rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) ||
5705 rtl8xxxu_is_packet_match_bssid(priv, hdr, 1));
5706
5707 if (parse_cfo) {
5708 priv->cfo_tracking.cfo_tail[0] = phy_stats->path_cfotail[0];
5709 priv->cfo_tracking.cfo_tail[1] = phy_stats->path_cfotail[1];
5710
5711 priv->cfo_tracking.packet_count++;
5712 }
5713
5714 rx_status->signal =
5715 (phy_stats->cck_sig_qual_ofdm_pwdb_all >> 1) - 110;
5716 }
5717 }
5718
jaguar2_rx_parse_phystats_type0(struct rtl8xxxu_priv * priv,struct ieee80211_rx_status * rx_status,struct jaguar2_phy_stats_type0 * phy_stats0,u32 rxmcs,struct ieee80211_hdr * hdr,bool crc_icv_err)5719 static void jaguar2_rx_parse_phystats_type0(struct rtl8xxxu_priv *priv,
5720 struct ieee80211_rx_status *rx_status,
5721 struct jaguar2_phy_stats_type0 *phy_stats0,
5722 u32 rxmcs, struct ieee80211_hdr *hdr,
5723 bool crc_icv_err)
5724 {
5725 s8 rx_power = phy_stats0->pwdb - 110;
5726
5727 if (!priv->cck_new_agc)
5728 rx_power = priv->fops->cck_rssi(priv, (struct rtl8723au_phy_stats *)phy_stats0);
5729
5730 rx_status->signal = rx_power;
5731 }
5732
jaguar2_rx_parse_phystats_type1(struct rtl8xxxu_priv * priv,struct ieee80211_rx_status * rx_status,struct jaguar2_phy_stats_type1 * phy_stats1,u32 rxmcs,struct ieee80211_hdr * hdr,bool crc_icv_err)5733 static void jaguar2_rx_parse_phystats_type1(struct rtl8xxxu_priv *priv,
5734 struct ieee80211_rx_status *rx_status,
5735 struct jaguar2_phy_stats_type1 *phy_stats1,
5736 u32 rxmcs, struct ieee80211_hdr *hdr,
5737 bool crc_icv_err)
5738 {
5739 bool parse_cfo = priv->fops->set_crystal_cap &&
5740 !crc_icv_err &&
5741 !ieee80211_is_ctl(hdr->frame_control) &&
5742 !rtl8xxxu_is_sta_sta(priv) &&
5743 (rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) ||
5744 rtl8xxxu_is_packet_match_bssid(priv, hdr, 1));
5745 u8 pwdb_max = 0, rxsc;
5746 int rx_path;
5747
5748 if (parse_cfo) {
5749 /* Only path-A and path-B have CFO tail and short CFO */
5750 priv->cfo_tracking.cfo_tail[RF_A] = phy_stats1->cfo_tail[RF_A];
5751 priv->cfo_tracking.cfo_tail[RF_B] = phy_stats1->cfo_tail[RF_B];
5752
5753 priv->cfo_tracking.packet_count++;
5754 }
5755
5756 for (rx_path = 0; rx_path < priv->rx_paths; rx_path++)
5757 pwdb_max = max(pwdb_max, phy_stats1->pwdb[rx_path]);
5758
5759 rx_status->signal = pwdb_max - 110;
5760
5761 if (rxmcs >= DESC_RATE_6M && rxmcs <= DESC_RATE_54M)
5762 rxsc = phy_stats1->l_rxsc;
5763 else
5764 rxsc = phy_stats1->ht_rxsc;
5765
5766 if (phy_stats1->rf_mode == 0 || rxsc == 1 || rxsc == 2)
5767 rx_status->bw = RATE_INFO_BW_20;
5768 else
5769 rx_status->bw = RATE_INFO_BW_40;
5770 }
5771
jaguar2_rx_parse_phystats_type2(struct rtl8xxxu_priv * priv,struct ieee80211_rx_status * rx_status,struct jaguar2_phy_stats_type2 * phy_stats2,u32 rxmcs,struct ieee80211_hdr * hdr,bool crc_icv_err)5772 static void jaguar2_rx_parse_phystats_type2(struct rtl8xxxu_priv *priv,
5773 struct ieee80211_rx_status *rx_status,
5774 struct jaguar2_phy_stats_type2 *phy_stats2,
5775 u32 rxmcs, struct ieee80211_hdr *hdr,
5776 bool crc_icv_err)
5777 {
5778 u8 pwdb_max = 0;
5779 int rx_path;
5780
5781 for (rx_path = 0; rx_path < priv->rx_paths; rx_path++)
5782 pwdb_max = max(pwdb_max, phy_stats2->pwdb[rx_path]);
5783
5784 rx_status->signal = pwdb_max - 110;
5785 }
5786
jaguar2_rx_parse_phystats(struct rtl8xxxu_priv * priv,struct ieee80211_rx_status * rx_status,struct rtl8723au_phy_stats * phy_stats,u32 rxmcs,struct ieee80211_hdr * hdr,bool crc_icv_err)5787 void jaguar2_rx_parse_phystats(struct rtl8xxxu_priv *priv,
5788 struct ieee80211_rx_status *rx_status,
5789 struct rtl8723au_phy_stats *phy_stats,
5790 u32 rxmcs, struct ieee80211_hdr *hdr,
5791 bool crc_icv_err)
5792 {
5793 struct jaguar2_phy_stats_type0 *phy_stats0 = (struct jaguar2_phy_stats_type0 *)phy_stats;
5794 struct jaguar2_phy_stats_type1 *phy_stats1 = (struct jaguar2_phy_stats_type1 *)phy_stats;
5795 struct jaguar2_phy_stats_type2 *phy_stats2 = (struct jaguar2_phy_stats_type2 *)phy_stats;
5796
5797 switch (phy_stats0->page_num) {
5798 case 0:
5799 /* CCK */
5800 jaguar2_rx_parse_phystats_type0(priv, rx_status, phy_stats0,
5801 rxmcs, hdr, crc_icv_err);
5802 break;
5803 case 1:
5804 /* OFDM */
5805 jaguar2_rx_parse_phystats_type1(priv, rx_status, phy_stats1,
5806 rxmcs, hdr, crc_icv_err);
5807 break;
5808 case 2:
5809 /* Also OFDM but different (how?) */
5810 jaguar2_rx_parse_phystats_type2(priv, rx_status, phy_stats2,
5811 rxmcs, hdr, crc_icv_err);
5812 break;
5813 default:
5814 return;
5815 }
5816 }
5817
rtl8xxxu_free_rx_resources(struct rtl8xxxu_priv * priv)5818 static void rtl8xxxu_free_rx_resources(struct rtl8xxxu_priv *priv)
5819 {
5820 struct rtl8xxxu_rx_urb *rx_urb, *tmp;
5821 unsigned long flags;
5822
5823 spin_lock_irqsave(&priv->rx_urb_lock, flags);
5824
5825 list_for_each_entry_safe(rx_urb, tmp,
5826 &priv->rx_urb_pending_list, list) {
5827 list_del(&rx_urb->list);
5828 priv->rx_urb_pending_count--;
5829 usb_free_urb(&rx_urb->urb);
5830 }
5831
5832 spin_unlock_irqrestore(&priv->rx_urb_lock, flags);
5833 }
5834
rtl8xxxu_queue_rx_urb(struct rtl8xxxu_priv * priv,struct rtl8xxxu_rx_urb * rx_urb)5835 static void rtl8xxxu_queue_rx_urb(struct rtl8xxxu_priv *priv,
5836 struct rtl8xxxu_rx_urb *rx_urb)
5837 {
5838 struct sk_buff *skb;
5839 unsigned long flags;
5840
5841 spin_lock_irqsave(&priv->rx_urb_lock, flags);
5842
5843 if (!priv->shutdown) {
5844 list_add_tail(&rx_urb->list, &priv->rx_urb_pending_list);
5845 priv->rx_urb_pending_count++;
5846 /*
5847 * Arm the worker under rx_urb_lock so this is atomic with the
5848 * shutdown check: moving it out of the lock would let a
5849 * completion arm the work after rtl8xxxu_stop() canceled it.
5850 */
5851 if (priv->rx_urb_pending_count > RTL8XXXU_RX_URB_PENDING_WATER)
5852 schedule_work(&priv->rx_urb_wq);
5853 } else {
5854 skb = (struct sk_buff *)rx_urb->urb.context;
5855 dev_kfree_skb_irq(skb);
5856 usb_free_urb(&rx_urb->urb);
5857 }
5858
5859 spin_unlock_irqrestore(&priv->rx_urb_lock, flags);
5860 }
5861
rtl8xxxu_rx_urb_work(struct work_struct * work)5862 static void rtl8xxxu_rx_urb_work(struct work_struct *work)
5863 {
5864 struct rtl8xxxu_priv *priv;
5865 struct rtl8xxxu_rx_urb *rx_urb, *tmp;
5866 struct list_head local;
5867 struct sk_buff *skb;
5868 unsigned long flags;
5869 int ret;
5870
5871 priv = container_of(work, struct rtl8xxxu_priv, rx_urb_wq);
5872 INIT_LIST_HEAD(&local);
5873
5874 spin_lock_irqsave(&priv->rx_urb_lock, flags);
5875
5876 list_splice_init(&priv->rx_urb_pending_list, &local);
5877 priv->rx_urb_pending_count = 0;
5878
5879 spin_unlock_irqrestore(&priv->rx_urb_lock, flags);
5880
5881 list_for_each_entry_safe(rx_urb, tmp, &local, list) {
5882 list_del_init(&rx_urb->list);
5883 ret = rtl8xxxu_submit_rx_urb(priv, rx_urb);
5884 /*
5885 * If out of memory or temporary error, put it back on the
5886 * queue and try again. Otherwise the device is dead/gone
5887 * and we should drop it.
5888 */
5889 switch (ret) {
5890 case 0:
5891 break;
5892 case -ENOMEM:
5893 case -EAGAIN:
5894 rtl8xxxu_queue_rx_urb(priv, rx_urb);
5895 break;
5896 default:
5897 dev_warn(&priv->udev->dev,
5898 "failed to requeue urb with error %i\n", ret);
5899 skb = (struct sk_buff *)rx_urb->urb.context;
5900 dev_kfree_skb(skb);
5901 usb_free_urb(&rx_urb->urb);
5902 }
5903 }
5904 }
5905
5906 /*
5907 * The RTL8723BU/RTL8192EU vendor driver use coexistence table type
5908 * 0-7 to represent writing different combinations of register values
5909 * to REG_BT_COEX_TABLEs. It's for different kinds of coexistence use
5910 * cases which Realtek doesn't provide detail for these settings. Keep
5911 * this aligned with vendor driver for easier maintenance.
5912 */
5913 static
rtl8723bu_set_coex_with_type(struct rtl8xxxu_priv * priv,u8 type)5914 void rtl8723bu_set_coex_with_type(struct rtl8xxxu_priv *priv, u8 type)
5915 {
5916 switch (type) {
5917 case 0:
5918 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555);
5919 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555);
5920 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
5921 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
5922 break;
5923 case 1:
5924 case 3:
5925 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555);
5926 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x5a5a5a5a);
5927 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
5928 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
5929 break;
5930 case 2:
5931 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x5a5a5a5a);
5932 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x5a5a5a5a);
5933 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
5934 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
5935 break;
5936 case 4:
5937 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x5a5a5a5a);
5938 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaaaa5a5a);
5939 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
5940 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
5941 break;
5942 case 5:
5943 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x5a5a5a5a);
5944 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaa5a5a5a);
5945 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
5946 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
5947 break;
5948 case 6:
5949 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555);
5950 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaaaaaaaa);
5951 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
5952 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
5953 break;
5954 case 7:
5955 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0xaaaaaaaa);
5956 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaaaaaaaa);
5957 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff);
5958 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03);
5959 break;
5960 default:
5961 break;
5962 }
5963 }
5964
5965 static
rtl8723bu_update_bt_link_info(struct rtl8xxxu_priv * priv,u8 bt_info)5966 void rtl8723bu_update_bt_link_info(struct rtl8xxxu_priv *priv, u8 bt_info)
5967 {
5968 struct rtl8xxxu_btcoex *btcoex = &priv->bt_coex;
5969
5970 if (bt_info & BT_INFO_8723B_1ANT_B_INQ_PAGE)
5971 btcoex->c2h_bt_inquiry = true;
5972 else
5973 btcoex->c2h_bt_inquiry = false;
5974
5975 if (!(bt_info & BT_INFO_8723B_1ANT_B_CONNECTION)) {
5976 btcoex->bt_status = BT_8723B_1ANT_STATUS_NON_CONNECTED_IDLE;
5977 btcoex->has_sco = false;
5978 btcoex->has_hid = false;
5979 btcoex->has_pan = false;
5980 btcoex->has_a2dp = false;
5981 } else {
5982 if ((bt_info & 0x1f) == BT_INFO_8723B_1ANT_B_CONNECTION)
5983 btcoex->bt_status = BT_8723B_1ANT_STATUS_CONNECTED_IDLE;
5984 else if ((bt_info & BT_INFO_8723B_1ANT_B_SCO_ESCO) ||
5985 (bt_info & BT_INFO_8723B_1ANT_B_SCO_BUSY))
5986 btcoex->bt_status = BT_8723B_1ANT_STATUS_SCO_BUSY;
5987 else if (bt_info & BT_INFO_8723B_1ANT_B_ACL_BUSY)
5988 btcoex->bt_status = BT_8723B_1ANT_STATUS_ACL_BUSY;
5989 else
5990 btcoex->bt_status = BT_8723B_1ANT_STATUS_MAX;
5991
5992 if (bt_info & BT_INFO_8723B_1ANT_B_FTP)
5993 btcoex->has_pan = true;
5994 else
5995 btcoex->has_pan = false;
5996
5997 if (bt_info & BT_INFO_8723B_1ANT_B_A2DP)
5998 btcoex->has_a2dp = true;
5999 else
6000 btcoex->has_a2dp = false;
6001
6002 if (bt_info & BT_INFO_8723B_1ANT_B_HID)
6003 btcoex->has_hid = true;
6004 else
6005 btcoex->has_hid = false;
6006
6007 if (bt_info & BT_INFO_8723B_1ANT_B_SCO_ESCO)
6008 btcoex->has_sco = true;
6009 else
6010 btcoex->has_sco = false;
6011 }
6012
6013 if (!btcoex->has_a2dp && !btcoex->has_sco &&
6014 !btcoex->has_pan && btcoex->has_hid)
6015 btcoex->hid_only = true;
6016 else
6017 btcoex->hid_only = false;
6018
6019 if (!btcoex->has_sco && !btcoex->has_pan &&
6020 !btcoex->has_hid && btcoex->has_a2dp)
6021 btcoex->has_a2dp = true;
6022 else
6023 btcoex->has_a2dp = false;
6024
6025 if (btcoex->bt_status == BT_8723B_1ANT_STATUS_SCO_BUSY ||
6026 btcoex->bt_status == BT_8723B_1ANT_STATUS_ACL_BUSY)
6027 btcoex->bt_busy = true;
6028 else
6029 btcoex->bt_busy = false;
6030 }
6031
rtl8xxxu_is_assoc(struct rtl8xxxu_priv * priv)6032 static inline bool rtl8xxxu_is_assoc(struct rtl8xxxu_priv *priv)
6033 {
6034 return (priv->vifs[0] && priv->vifs[0]->cfg.assoc) ||
6035 (priv->vifs[1] && priv->vifs[1]->cfg.assoc);
6036 }
6037
6038 static
rtl8723bu_handle_bt_inquiry(struct rtl8xxxu_priv * priv)6039 void rtl8723bu_handle_bt_inquiry(struct rtl8xxxu_priv *priv)
6040 {
6041 struct rtl8xxxu_btcoex *btcoex;
6042
6043 btcoex = &priv->bt_coex;
6044
6045 if (!rtl8xxxu_is_assoc(priv)) {
6046 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0);
6047 rtl8723bu_set_coex_with_type(priv, 0);
6048 } else if (btcoex->has_sco || btcoex->has_hid || btcoex->has_a2dp) {
6049 rtl8723bu_set_ps_tdma(priv, 0x61, 0x35, 0x3, 0x11, 0x11);
6050 rtl8723bu_set_coex_with_type(priv, 4);
6051 } else if (btcoex->has_pan) {
6052 rtl8723bu_set_ps_tdma(priv, 0x61, 0x3f, 0x3, 0x11, 0x11);
6053 rtl8723bu_set_coex_with_type(priv, 4);
6054 } else {
6055 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0);
6056 rtl8723bu_set_coex_with_type(priv, 7);
6057 }
6058 }
6059
6060 static
rtl8723bu_handle_bt_info(struct rtl8xxxu_priv * priv)6061 void rtl8723bu_handle_bt_info(struct rtl8xxxu_priv *priv)
6062 {
6063 struct rtl8xxxu_btcoex *btcoex;
6064
6065 btcoex = &priv->bt_coex;
6066
6067 if (rtl8xxxu_is_assoc(priv)) {
6068 u32 val32 = 0;
6069 u32 high_prio_tx = 0, high_prio_rx = 0;
6070
6071 val32 = rtl8xxxu_read32(priv, 0x770);
6072 high_prio_tx = val32 & 0x0000ffff;
6073 high_prio_rx = (val32 & 0xffff0000) >> 16;
6074
6075 if (btcoex->bt_busy) {
6076 if (btcoex->hid_only) {
6077 rtl8723bu_set_ps_tdma(priv, 0x61, 0x20,
6078 0x3, 0x11, 0x11);
6079 rtl8723bu_set_coex_with_type(priv, 5);
6080 } else if (btcoex->a2dp_only) {
6081 rtl8723bu_set_ps_tdma(priv, 0x61, 0x35,
6082 0x3, 0x11, 0x11);
6083 rtl8723bu_set_coex_with_type(priv, 4);
6084 } else if ((btcoex->has_a2dp && btcoex->has_pan) ||
6085 (btcoex->has_hid && btcoex->has_a2dp &&
6086 btcoex->has_pan)) {
6087 rtl8723bu_set_ps_tdma(priv, 0x51, 0x21,
6088 0x3, 0x10, 0x10);
6089 rtl8723bu_set_coex_with_type(priv, 4);
6090 } else if (btcoex->has_hid && btcoex->has_a2dp) {
6091 rtl8723bu_set_ps_tdma(priv, 0x51, 0x21,
6092 0x3, 0x10, 0x10);
6093 rtl8723bu_set_coex_with_type(priv, 3);
6094 } else {
6095 rtl8723bu_set_ps_tdma(priv, 0x61, 0x35,
6096 0x3, 0x11, 0x11);
6097 rtl8723bu_set_coex_with_type(priv, 4);
6098 }
6099 } else {
6100 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0);
6101 if (high_prio_tx + high_prio_rx <= 60)
6102 rtl8723bu_set_coex_with_type(priv, 2);
6103 else
6104 rtl8723bu_set_coex_with_type(priv, 7);
6105 }
6106 } else {
6107 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0);
6108 rtl8723bu_set_coex_with_type(priv, 0);
6109 }
6110 }
6111
rtl8xxxu_c2hcmd_callback(struct work_struct * work)6112 static void rtl8xxxu_c2hcmd_callback(struct work_struct *work)
6113 {
6114 struct rtl8xxxu_priv *priv;
6115 struct rtl8723bu_c2h *c2h;
6116 struct sk_buff *skb = NULL;
6117 u8 bt_info = 0;
6118 struct rtl8xxxu_btcoex *btcoex;
6119 struct rtl8xxxu_ra_report *rarpt;
6120 u8 bw;
6121
6122 priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work);
6123 btcoex = &priv->bt_coex;
6124 rarpt = &priv->ra_report;
6125
6126 while (!skb_queue_empty(&priv->c2hcmd_queue)) {
6127 skb = skb_dequeue(&priv->c2hcmd_queue);
6128
6129 c2h = (struct rtl8723bu_c2h *)skb->data;
6130
6131 switch (c2h->id) {
6132 case C2H_8723B_BT_INFO:
6133 bt_info = c2h->bt_info.bt_info;
6134
6135 rtl8723bu_update_bt_link_info(priv, bt_info);
6136 if (btcoex->c2h_bt_inquiry) {
6137 rtl8723bu_handle_bt_inquiry(priv);
6138 break;
6139 }
6140 rtl8723bu_handle_bt_info(priv);
6141 break;
6142 case C2H_8723B_RA_REPORT:
6143 bw = rarpt->txrate.bw;
6144
6145 if (skb->len >= offsetofend(typeof(*c2h), ra_report.bw)) {
6146 if (c2h->ra_report.bw == RTL8XXXU_CHANNEL_WIDTH_40)
6147 bw = RATE_INFO_BW_40;
6148 else
6149 bw = RATE_INFO_BW_20;
6150 }
6151
6152 rtl8xxxu_update_ra_report(rarpt, c2h->ra_report.rate,
6153 c2h->ra_report.sgi, bw);
6154 break;
6155 default:
6156 break;
6157 }
6158
6159 dev_kfree_skb(skb);
6160 }
6161 }
6162
rtl8723bu_handle_c2h(struct rtl8xxxu_priv * priv,struct sk_buff * skb)6163 static void rtl8723bu_handle_c2h(struct rtl8xxxu_priv *priv,
6164 struct sk_buff *skb)
6165 {
6166 struct rtl8723bu_c2h *c2h = (struct rtl8723bu_c2h *)skb->data;
6167 struct device *dev = &priv->udev->dev;
6168 int len;
6169
6170 len = skb->len - 2;
6171
6172 dev_dbg(dev, "C2H ID %02x seq %02x, len %02x source %02x\n",
6173 c2h->id, c2h->seq, len, c2h->bt_info.response_source);
6174
6175 switch(c2h->id) {
6176 case C2H_8723B_BT_INFO:
6177 if (c2h->bt_info.response_source >
6178 BT_INFO_SRC_8723B_BT_ACTIVE_SEND)
6179 dev_dbg(dev, "C2H_BT_INFO WiFi only firmware\n");
6180 else
6181 dev_dbg(dev, "C2H_BT_INFO BT/WiFi coexist firmware\n");
6182
6183 if (c2h->bt_info.bt_has_reset)
6184 dev_dbg(dev, "BT has been reset\n");
6185 if (c2h->bt_info.tx_rx_mask)
6186 dev_dbg(dev, "BT TRx mask\n");
6187
6188 break;
6189 case C2H_8723B_BT_MP_INFO:
6190 dev_dbg(dev, "C2H_MP_INFO ext ID %02x, status %02x\n",
6191 c2h->bt_mp_info.ext_id, c2h->bt_mp_info.status);
6192 break;
6193 case C2H_8723B_RA_REPORT:
6194 dev_dbg(dev,
6195 "C2H RA RPT: rate %02x, unk %i, macid %02x, noise %i\n",
6196 c2h->ra_report.rate, c2h->ra_report.sgi,
6197 c2h->ra_report.macid, c2h->ra_report.noisy_state);
6198 break;
6199 default:
6200 dev_info(dev, "Unhandled C2H event %02x seq %02x\n",
6201 c2h->id, c2h->seq);
6202 print_hex_dump(KERN_INFO, "C2H content: ", DUMP_PREFIX_NONE,
6203 16, 1, c2h->raw.payload, len, false);
6204 break;
6205 }
6206
6207 skb_queue_tail(&priv->c2hcmd_queue, skb);
6208
6209 schedule_work(&priv->c2hcmd_work);
6210 }
6211
rtl8188e_c2hcmd_callback(struct work_struct * work)6212 static void rtl8188e_c2hcmd_callback(struct work_struct *work)
6213 {
6214 struct rtl8xxxu_priv *priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work);
6215 struct device *dev = &priv->udev->dev;
6216 struct sk_buff *skb = NULL;
6217 struct rtl8xxxu_rxdesc16 *rx_desc;
6218
6219 while (!skb_queue_empty(&priv->c2hcmd_queue)) {
6220 skb = skb_dequeue(&priv->c2hcmd_queue);
6221
6222 rx_desc = (struct rtl8xxxu_rxdesc16 *)(skb->data - sizeof(struct rtl8xxxu_rxdesc16));
6223
6224 switch (rx_desc->rpt_sel) {
6225 case 1:
6226 dev_dbg(dev, "C2H TX report type 1\n");
6227
6228 break;
6229 case 2:
6230 dev_dbg(dev, "C2H TX report type 2\n");
6231
6232 rtl8188e_handle_ra_tx_report2(priv, skb);
6233
6234 break;
6235 case 3:
6236 dev_dbg(dev, "C2H USB interrupt report\n");
6237
6238 break;
6239 default:
6240 dev_warn(dev, "%s: rpt_sel should not be %d\n",
6241 __func__, rx_desc->rpt_sel);
6242
6243 break;
6244 }
6245
6246 dev_kfree_skb(skb);
6247 }
6248 }
6249
6250 #define rtl8xxxu_iterate_vifs_atomic(priv, iterator, data) \
6251 ieee80211_iterate_active_interfaces_atomic((priv)->hw, \
6252 IEEE80211_IFACE_ITER_NORMAL, iterator, data)
6253
6254 struct rtl8xxxu_rx_update_rssi_data {
6255 struct rtl8xxxu_priv *priv;
6256 struct ieee80211_hdr *hdr;
6257 struct ieee80211_rx_status *rx_status;
6258 u8 *bssid;
6259 };
6260
rtl8xxxu_rx_update_rssi_iter(void * data,u8 * mac,struct ieee80211_vif * vif)6261 static void rtl8xxxu_rx_update_rssi_iter(void *data, u8 *mac,
6262 struct ieee80211_vif *vif)
6263 {
6264 struct rtl8xxxu_rx_update_rssi_data *iter_data = data;
6265 struct ieee80211_sta *sta;
6266 struct ieee80211_hdr *hdr = iter_data->hdr;
6267 struct rtl8xxxu_priv *priv = iter_data->priv;
6268 struct rtl8xxxu_sta_info *sta_info;
6269 struct ieee80211_rx_status *rx_status = iter_data->rx_status;
6270 u8 *bssid = iter_data->bssid;
6271
6272 if (!ether_addr_equal(vif->bss_conf.bssid, bssid))
6273 return;
6274
6275 if (!(ether_addr_equal(vif->addr, hdr->addr1) ||
6276 ieee80211_is_beacon(hdr->frame_control)))
6277 return;
6278
6279 sta = ieee80211_find_sta_by_ifaddr(priv->hw, hdr->addr2,
6280 vif->addr);
6281 if (!sta)
6282 return;
6283
6284 sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv;
6285 ewma_rssi_add(&sta_info->avg_rssi, -rx_status->signal);
6286 }
6287
get_hdr_bssid(struct ieee80211_hdr * hdr)6288 static inline u8 *get_hdr_bssid(struct ieee80211_hdr *hdr)
6289 {
6290 __le16 fc = hdr->frame_control;
6291 u8 *bssid;
6292
6293 if (ieee80211_has_tods(fc))
6294 bssid = hdr->addr1;
6295 else if (ieee80211_has_fromds(fc))
6296 bssid = hdr->addr2;
6297 else
6298 bssid = hdr->addr3;
6299
6300 return bssid;
6301 }
6302
rtl8xxxu_rx_update_rssi(struct rtl8xxxu_priv * priv,struct ieee80211_rx_status * rx_status,struct ieee80211_hdr * hdr)6303 static void rtl8xxxu_rx_update_rssi(struct rtl8xxxu_priv *priv,
6304 struct ieee80211_rx_status *rx_status,
6305 struct ieee80211_hdr *hdr)
6306 {
6307 struct rtl8xxxu_rx_update_rssi_data data = {};
6308
6309 if (ieee80211_is_ctl(hdr->frame_control))
6310 return;
6311
6312 data.priv = priv;
6313 data.hdr = hdr;
6314 data.rx_status = rx_status;
6315 data.bssid = get_hdr_bssid(hdr);
6316
6317 rtl8xxxu_iterate_vifs_atomic(priv, rtl8xxxu_rx_update_rssi_iter, &data);
6318 }
6319
rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv * priv,struct sk_buff * skb)6320 int rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv *priv, struct sk_buff *skb)
6321 {
6322 struct ieee80211_hw *hw = priv->hw;
6323 struct ieee80211_rx_status *rx_status;
6324 struct rtl8xxxu_rxdesc16 *rx_desc;
6325 struct rtl8723au_phy_stats *phy_stats;
6326 struct sk_buff *next_skb = NULL;
6327 __le32 *_rx_desc_le;
6328 u32 *_rx_desc;
6329 int drvinfo_sz, desc_shift;
6330 int i, pkt_cnt, pkt_len, urb_len, pkt_offset;
6331
6332 urb_len = skb->len;
6333 pkt_cnt = 0;
6334
6335 if (urb_len < sizeof(struct rtl8xxxu_rxdesc16)) {
6336 kfree_skb(skb);
6337 return RX_TYPE_ERROR;
6338 }
6339
6340 do {
6341 rx_desc = (struct rtl8xxxu_rxdesc16 *)skb->data;
6342 _rx_desc_le = (__le32 *)skb->data;
6343 _rx_desc = (u32 *)skb->data;
6344
6345 for (i = 0;
6346 i < (sizeof(struct rtl8xxxu_rxdesc16) / sizeof(u32)); i++)
6347 _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]);
6348
6349 /*
6350 * Only read pkt_cnt from the header if we're parsing the
6351 * first packet
6352 */
6353 if (!pkt_cnt)
6354 pkt_cnt = rx_desc->pkt_cnt;
6355 pkt_len = rx_desc->pktlen;
6356
6357 drvinfo_sz = rx_desc->drvinfo_sz * 8;
6358 desc_shift = rx_desc->shift;
6359 pkt_offset = roundup(pkt_len + drvinfo_sz + desc_shift +
6360 sizeof(struct rtl8xxxu_rxdesc16), 128);
6361
6362 /*
6363 * Only clone the skb if there's enough data at the end to
6364 * at least cover the rx descriptor
6365 */
6366 if (pkt_cnt > 1 &&
6367 urb_len >= (pkt_offset + sizeof(struct rtl8xxxu_rxdesc16)))
6368 next_skb = skb_clone(skb, GFP_ATOMIC);
6369
6370 rx_status = IEEE80211_SKB_RXCB(skb);
6371 memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
6372
6373 skb_pull(skb, sizeof(struct rtl8xxxu_rxdesc16));
6374
6375 if (rx_desc->rpt_sel) {
6376 skb_queue_tail(&priv->c2hcmd_queue, skb);
6377 schedule_work(&priv->c2hcmd_work);
6378 } else {
6379 struct ieee80211_hdr *hdr;
6380
6381 phy_stats = (struct rtl8723au_phy_stats *)skb->data;
6382
6383 skb_pull(skb, drvinfo_sz + desc_shift);
6384
6385 skb_trim(skb, pkt_len);
6386
6387 hdr = (struct ieee80211_hdr *)skb->data;
6388 if (rx_desc->phy_stats) {
6389 priv->fops->parse_phystats(
6390 priv, rx_status, phy_stats,
6391 rx_desc->rxmcs,
6392 hdr,
6393 rx_desc->crc32 || rx_desc->icverr);
6394 if (!rx_desc->crc32 && !rx_desc->icverr)
6395 rtl8xxxu_rx_update_rssi(priv,
6396 rx_status,
6397 hdr);
6398 } else {
6399 rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
6400 }
6401
6402 rx_status->mactime = rx_desc->tsfl;
6403 rx_status->flag |= RX_FLAG_MACTIME_START;
6404
6405 if (!rx_desc->swdec &&
6406 rx_desc->security != RX_DESC_ENC_NONE)
6407 rx_status->flag |= RX_FLAG_DECRYPTED;
6408 if (rx_desc->crc32)
6409 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
6410 if (rx_desc->bw)
6411 rx_status->bw = RATE_INFO_BW_40;
6412
6413 if (rx_desc->rxht) {
6414 rx_status->encoding = RX_ENC_HT;
6415 rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0;
6416 } else {
6417 rx_status->rate_idx = rx_desc->rxmcs;
6418 }
6419
6420 rx_status->freq = hw->conf.chandef.chan->center_freq;
6421 rx_status->band = hw->conf.chandef.chan->band;
6422
6423 ieee80211_rx_irqsafe(hw, skb);
6424 }
6425
6426 skb = next_skb;
6427 if (skb)
6428 skb_pull(next_skb, pkt_offset);
6429
6430 pkt_cnt--;
6431 urb_len -= pkt_offset;
6432 next_skb = NULL;
6433 } while (skb && pkt_cnt > 0 &&
6434 urb_len >= sizeof(struct rtl8xxxu_rxdesc16));
6435
6436 return RX_TYPE_DATA_PKT;
6437 }
6438
rtl8xxxu_parse_rxdesc24(struct rtl8xxxu_priv * priv,struct sk_buff * skb)6439 int rtl8xxxu_parse_rxdesc24(struct rtl8xxxu_priv *priv, struct sk_buff *skb)
6440 {
6441 struct ieee80211_hw *hw = priv->hw;
6442 struct ieee80211_rx_status *rx_status;
6443 struct rtl8xxxu_rxdesc24 *rx_desc;
6444 struct rtl8723au_phy_stats *phy_stats;
6445 struct sk_buff *next_skb = NULL;
6446 __le32 *_rx_desc_le;
6447 u32 *_rx_desc;
6448 int drvinfo_sz, desc_shift;
6449 int i, pkt_len, urb_len, pkt_offset;
6450
6451 urb_len = skb->len;
6452
6453 if (urb_len < sizeof(struct rtl8xxxu_rxdesc24)) {
6454 kfree_skb(skb);
6455 return RX_TYPE_ERROR;
6456 }
6457
6458 do {
6459 rx_desc = (struct rtl8xxxu_rxdesc24 *)skb->data;
6460 _rx_desc_le = (__le32 *)skb->data;
6461 _rx_desc = (u32 *)skb->data;
6462
6463 for (i = 0; i < (sizeof(struct rtl8xxxu_rxdesc24) / sizeof(u32)); i++)
6464 _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]);
6465
6466 pkt_len = rx_desc->pktlen;
6467
6468 drvinfo_sz = rx_desc->drvinfo_sz * 8;
6469 desc_shift = rx_desc->shift;
6470 pkt_offset = roundup(pkt_len + drvinfo_sz + desc_shift +
6471 sizeof(struct rtl8xxxu_rxdesc24), 8);
6472
6473 /*
6474 * Only clone the skb if there's enough data at the end to
6475 * at least cover the rx descriptor
6476 */
6477 if (urb_len >= (pkt_offset + sizeof(struct rtl8xxxu_rxdesc24)))
6478 next_skb = skb_clone(skb, GFP_ATOMIC);
6479
6480 rx_status = IEEE80211_SKB_RXCB(skb);
6481 memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
6482
6483 skb_pull(skb, sizeof(struct rtl8xxxu_rxdesc24));
6484
6485 phy_stats = (struct rtl8723au_phy_stats *)skb->data;
6486
6487 skb_pull(skb, drvinfo_sz + desc_shift);
6488
6489 skb_trim(skb, pkt_len);
6490
6491 if (rx_desc->rpt_sel) {
6492 struct device *dev = &priv->udev->dev;
6493 dev_dbg(dev, "%s: C2H packet\n", __func__);
6494 rtl8723bu_handle_c2h(priv, skb);
6495 } else {
6496 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
6497
6498 if (rx_desc->phy_stats) {
6499 priv->fops->parse_phystats(priv, rx_status, phy_stats,
6500 rx_desc->rxmcs, hdr,
6501 rx_desc->crc32 || rx_desc->icverr);
6502 if (!rx_desc->crc32 && !rx_desc->icverr)
6503 rtl8xxxu_rx_update_rssi(priv,
6504 rx_status,
6505 hdr);
6506 } else {
6507 rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
6508 }
6509
6510 rx_status->mactime = rx_desc->tsfl;
6511 rx_status->flag |= RX_FLAG_MACTIME_START;
6512
6513 if (!rx_desc->swdec &&
6514 rx_desc->security != RX_DESC_ENC_NONE)
6515 rx_status->flag |= RX_FLAG_DECRYPTED;
6516 if (rx_desc->crc32)
6517 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
6518 if (rx_desc->bw)
6519 rx_status->bw = RATE_INFO_BW_40;
6520
6521 if (rx_desc->rxmcs >= DESC_RATE_MCS0) {
6522 rx_status->encoding = RX_ENC_HT;
6523 rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0;
6524 } else {
6525 rx_status->rate_idx = rx_desc->rxmcs;
6526 }
6527
6528 rx_status->freq = hw->conf.chandef.chan->center_freq;
6529 rx_status->band = hw->conf.chandef.chan->band;
6530
6531 ieee80211_rx_irqsafe(hw, skb);
6532 }
6533
6534 skb = next_skb;
6535 if (skb)
6536 skb_pull(next_skb, pkt_offset);
6537
6538 urb_len -= pkt_offset;
6539 next_skb = NULL;
6540 } while (skb && urb_len >= sizeof(struct rtl8xxxu_rxdesc24));
6541
6542 return RX_TYPE_DATA_PKT;
6543 }
6544
rtl8xxxu_rx_complete(struct urb * urb)6545 static void rtl8xxxu_rx_complete(struct urb *urb)
6546 {
6547 struct rtl8xxxu_rx_urb *rx_urb =
6548 container_of(urb, struct rtl8xxxu_rx_urb, urb);
6549 struct ieee80211_hw *hw = rx_urb->hw;
6550 struct rtl8xxxu_priv *priv = hw->priv;
6551 struct sk_buff *skb = (struct sk_buff *)urb->context;
6552 struct device *dev = &priv->udev->dev;
6553
6554 skb_put(skb, urb->actual_length);
6555
6556 if (urb->status == 0) {
6557 priv->fops->parse_rx_desc(priv, skb);
6558
6559 skb = NULL;
6560 rx_urb->urb.context = NULL;
6561 rtl8xxxu_queue_rx_urb(priv, rx_urb);
6562 } else {
6563 dev_dbg(dev, "%s: status %i\n", __func__, urb->status);
6564 goto cleanup;
6565 }
6566 return;
6567
6568 cleanup:
6569 usb_free_urb(urb);
6570 dev_kfree_skb(skb);
6571 }
6572
rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv * priv,struct rtl8xxxu_rx_urb * rx_urb)6573 static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv,
6574 struct rtl8xxxu_rx_urb *rx_urb)
6575 {
6576 struct rtl8xxxu_fileops *fops = priv->fops;
6577 struct sk_buff *skb;
6578 int skb_size;
6579 int ret, rx_desc_sz;
6580
6581 rx_desc_sz = fops->rx_desc_size;
6582
6583 if (priv->rx_buf_aggregation && fops->rx_agg_buf_size) {
6584 skb_size = fops->rx_agg_buf_size;
6585 skb_size += (rx_desc_sz + sizeof(struct rtl8723au_phy_stats));
6586 } else {
6587 skb_size = IEEE80211_MAX_FRAME_LEN + rx_desc_sz;
6588 }
6589
6590 skb = __netdev_alloc_skb(NULL, skb_size, GFP_KERNEL);
6591 if (!skb)
6592 return -ENOMEM;
6593
6594 memset(skb->data, 0, rx_desc_sz);
6595 usb_fill_bulk_urb(&rx_urb->urb, priv->udev, priv->pipe_in, skb->data,
6596 skb_size, rtl8xxxu_rx_complete, skb);
6597 usb_anchor_urb(&rx_urb->urb, &priv->rx_anchor);
6598 ret = usb_submit_urb(&rx_urb->urb, GFP_ATOMIC);
6599 if (ret)
6600 usb_unanchor_urb(&rx_urb->urb);
6601 return ret;
6602 }
6603
rtl8xxxu_int_complete(struct urb * urb)6604 static void rtl8xxxu_int_complete(struct urb *urb)
6605 {
6606 struct rtl8xxxu_priv *priv = (struct rtl8xxxu_priv *)urb->context;
6607 struct device *dev = &priv->udev->dev;
6608 int ret;
6609
6610 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_INTERRUPT)
6611 dev_dbg(dev, "%s: status %i\n", __func__, urb->status);
6612 if (urb->status == 0) {
6613 usb_anchor_urb(urb, &priv->int_anchor);
6614 ret = usb_submit_urb(urb, GFP_ATOMIC);
6615 if (ret)
6616 usb_unanchor_urb(urb);
6617 } else {
6618 dev_dbg(dev, "%s: Error %i\n", __func__, urb->status);
6619 }
6620 }
6621
6622
rtl8xxxu_submit_int_urb(struct ieee80211_hw * hw)6623 static int rtl8xxxu_submit_int_urb(struct ieee80211_hw *hw)
6624 {
6625 struct rtl8xxxu_priv *priv = hw->priv;
6626 struct urb *urb;
6627 u32 val32;
6628 int ret;
6629
6630 urb = usb_alloc_urb(0, GFP_KERNEL);
6631 if (!urb)
6632 return -ENOMEM;
6633
6634 usb_fill_int_urb(urb, priv->udev, priv->pipe_interrupt,
6635 priv->int_buf, USB_INTR_CONTENT_LENGTH,
6636 rtl8xxxu_int_complete, priv, 1);
6637 usb_anchor_urb(urb, &priv->int_anchor);
6638 ret = usb_submit_urb(urb, GFP_KERNEL);
6639 if (ret) {
6640 usb_unanchor_urb(urb);
6641 goto error;
6642 }
6643
6644 val32 = rtl8xxxu_read32(priv, REG_USB_HIMR);
6645 val32 |= USB_HIMR_CPWM;
6646 rtl8xxxu_write32(priv, REG_USB_HIMR, val32);
6647
6648 error:
6649 usb_free_urb(urb);
6650 return ret;
6651 }
6652
rtl8xxxu_switch_ports(struct rtl8xxxu_priv * priv)6653 static void rtl8xxxu_switch_ports(struct rtl8xxxu_priv *priv)
6654 {
6655 u8 macid[ETH_ALEN], bssid[ETH_ALEN], macid_1[ETH_ALEN], bssid_1[ETH_ALEN];
6656 u8 msr, bcn_ctrl, bcn_ctrl_1, atimwnd[2], atimwnd_1[2];
6657 struct rtl8xxxu_vif *rtlvif;
6658 u8 tsftr[8], tsftr_1[8];
6659 int i;
6660
6661 msr = rtl8xxxu_read8(priv, REG_MSR);
6662 bcn_ctrl = rtl8xxxu_read8(priv, REG_BEACON_CTRL);
6663 bcn_ctrl_1 = rtl8xxxu_read8(priv, REG_BEACON_CTRL_1);
6664
6665 for (i = 0; i < ARRAY_SIZE(atimwnd); i++)
6666 atimwnd[i] = rtl8xxxu_read8(priv, REG_ATIMWND + i);
6667 for (i = 0; i < ARRAY_SIZE(atimwnd_1); i++)
6668 atimwnd_1[i] = rtl8xxxu_read8(priv, REG_ATIMWND_1 + i);
6669
6670 for (i = 0; i < ARRAY_SIZE(tsftr); i++)
6671 tsftr[i] = rtl8xxxu_read8(priv, REG_TSFTR + i);
6672 for (i = 0; i < ARRAY_SIZE(tsftr); i++)
6673 tsftr_1[i] = rtl8xxxu_read8(priv, REG_TSFTR1 + i);
6674
6675 for (i = 0; i < ARRAY_SIZE(macid); i++)
6676 macid[i] = rtl8xxxu_read8(priv, REG_MACID + i);
6677
6678 for (i = 0; i < ARRAY_SIZE(bssid); i++)
6679 bssid[i] = rtl8xxxu_read8(priv, REG_BSSID + i);
6680
6681 for (i = 0; i < ARRAY_SIZE(macid_1); i++)
6682 macid_1[i] = rtl8xxxu_read8(priv, REG_MACID1 + i);
6683
6684 for (i = 0; i < ARRAY_SIZE(bssid_1); i++)
6685 bssid_1[i] = rtl8xxxu_read8(priv, REG_BSSID1 + i);
6686
6687 /* disable bcn function, disable update TSF */
6688 rtl8xxxu_write8(priv, REG_BEACON_CTRL, (bcn_ctrl &
6689 (~BEACON_FUNCTION_ENABLE)) | BEACON_DISABLE_TSF_UPDATE);
6690 rtl8xxxu_write8(priv, REG_BEACON_CTRL_1, (bcn_ctrl_1 &
6691 (~BEACON_FUNCTION_ENABLE)) | BEACON_DISABLE_TSF_UPDATE);
6692
6693 /* switch msr */
6694 msr = (msr & 0xf0) | ((msr & 0x03) << 2) | ((msr & 0x0c) >> 2);
6695 rtl8xxxu_write8(priv, REG_MSR, msr);
6696
6697 /* write port0 */
6698 rtl8xxxu_write8(priv, REG_BEACON_CTRL, bcn_ctrl_1 & ~BEACON_FUNCTION_ENABLE);
6699 for (i = 0; i < ARRAY_SIZE(atimwnd_1); i++)
6700 rtl8xxxu_write8(priv, REG_ATIMWND + i, atimwnd_1[i]);
6701 for (i = 0; i < ARRAY_SIZE(tsftr_1); i++)
6702 rtl8xxxu_write8(priv, REG_TSFTR + i, tsftr_1[i]);
6703 for (i = 0; i < ARRAY_SIZE(macid_1); i++)
6704 rtl8xxxu_write8(priv, REG_MACID + i, macid_1[i]);
6705 for (i = 0; i < ARRAY_SIZE(bssid_1); i++)
6706 rtl8xxxu_write8(priv, REG_BSSID + i, bssid_1[i]);
6707
6708 /* write port1 */
6709 rtl8xxxu_write8(priv, REG_BEACON_CTRL_1, bcn_ctrl & ~BEACON_FUNCTION_ENABLE);
6710 for (i = 0; i < ARRAY_SIZE(atimwnd); i++)
6711 rtl8xxxu_write8(priv, REG_ATIMWND_1 + i, atimwnd[i]);
6712 for (i = 0; i < ARRAY_SIZE(tsftr); i++)
6713 rtl8xxxu_write8(priv, REG_TSFTR1 + i, tsftr[i]);
6714 for (i = 0; i < ARRAY_SIZE(macid); i++)
6715 rtl8xxxu_write8(priv, REG_MACID1 + i, macid[i]);
6716 for (i = 0; i < ARRAY_SIZE(bssid); i++)
6717 rtl8xxxu_write8(priv, REG_BSSID1 + i, bssid[i]);
6718
6719 /* write bcn ctl */
6720 rtl8xxxu_write8(priv, REG_BEACON_CTRL, bcn_ctrl_1);
6721 rtl8xxxu_write8(priv, REG_BEACON_CTRL_1, bcn_ctrl);
6722 swap(priv->vifs[0], priv->vifs[1]);
6723
6724 /* priv->vifs[0] is NULL here, based on how this function is currently
6725 * called from rtl8xxxu_add_interface().
6726 * When this function will be used in the future for a different
6727 * scenario, please check whether vifs[0] or vifs[1] can be NULL and if
6728 * necessary add code to set port_num = 1.
6729 */
6730 rtlvif = (struct rtl8xxxu_vif *)priv->vifs[1]->drv_priv;
6731 rtlvif->port_num = 1;
6732 }
6733
rtl8xxxu_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)6734 static int rtl8xxxu_add_interface(struct ieee80211_hw *hw,
6735 struct ieee80211_vif *vif)
6736 {
6737 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv;
6738 struct rtl8xxxu_priv *priv = hw->priv;
6739 int port_num;
6740 u8 val8;
6741
6742 if (!priv->vifs[0])
6743 port_num = 0;
6744 else if (!priv->vifs[1])
6745 port_num = 1;
6746 else
6747 return -EOPNOTSUPP;
6748
6749 switch (vif->type) {
6750 case NL80211_IFTYPE_STATION:
6751 if (port_num == 0) {
6752 rtl8xxxu_stop_tx_beacon(priv);
6753
6754 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL);
6755 val8 |= BEACON_ATIM | BEACON_FUNCTION_ENABLE |
6756 BEACON_DISABLE_TSF_UPDATE;
6757 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8);
6758 }
6759 break;
6760 case NL80211_IFTYPE_AP:
6761 if (port_num == 1) {
6762 rtl8xxxu_switch_ports(priv);
6763 port_num = 0;
6764 }
6765
6766 rtl8xxxu_write8(priv, REG_BEACON_CTRL,
6767 BEACON_DISABLE_TSF_UPDATE | BEACON_CTRL_MBSSID);
6768 rtl8xxxu_write8(priv, REG_ATIMWND, 0x0c); /* 12ms */
6769 rtl8xxxu_write16(priv, REG_TSFTR_SYN_OFFSET, 0x7fff); /* ~32ms */
6770 rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, DUAL_TSF_RESET_TSF0);
6771
6772 /* enable BCN0 function */
6773 rtl8xxxu_write8(priv, REG_BEACON_CTRL,
6774 BEACON_DISABLE_TSF_UPDATE |
6775 BEACON_FUNCTION_ENABLE | BEACON_CTRL_MBSSID |
6776 BEACON_CTRL_TX_BEACON_RPT);
6777
6778 /* select BCN on port 0 */
6779 val8 = rtl8xxxu_read8(priv, REG_CCK_CHECK);
6780 val8 &= ~BIT_BCN_PORT_SEL;
6781 rtl8xxxu_write8(priv, REG_CCK_CHECK, val8);
6782 break;
6783 default:
6784 return -EOPNOTSUPP;
6785 }
6786
6787 priv->vifs[port_num] = vif;
6788 rtlvif->port_num = port_num;
6789 rtlvif->hw_key_idx = 0xff;
6790
6791 rtl8xxxu_set_linktype(priv, vif->type, port_num);
6792 ether_addr_copy(priv->mac_addr, vif->addr);
6793 rtl8xxxu_set_mac(priv, port_num);
6794
6795 return 0;
6796 }
6797
rtl8xxxu_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)6798 static void rtl8xxxu_remove_interface(struct ieee80211_hw *hw,
6799 struct ieee80211_vif *vif)
6800 {
6801 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv;
6802 struct rtl8xxxu_priv *priv = hw->priv;
6803
6804 dev_dbg(&priv->udev->dev, "%s\n", __func__);
6805
6806 priv->vifs[rtlvif->port_num] = NULL;
6807 }
6808
rtl8xxxu_config(struct ieee80211_hw * hw,int radio_idx,u32 changed)6809 static int rtl8xxxu_config(struct ieee80211_hw *hw, int radio_idx, u32 changed)
6810 {
6811 struct rtl8xxxu_priv *priv = hw->priv;
6812 struct device *dev = &priv->udev->dev;
6813 int ret = 0, channel;
6814 bool ht40;
6815
6816 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_CHANNEL)
6817 dev_info(dev,
6818 "%s: channel: %i (changed %08x chandef.width %02x)\n",
6819 __func__, hw->conf.chandef.chan->hw_value,
6820 changed, hw->conf.chandef.width);
6821
6822 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
6823 switch (hw->conf.chandef.width) {
6824 case NL80211_CHAN_WIDTH_20_NOHT:
6825 case NL80211_CHAN_WIDTH_20:
6826 ht40 = false;
6827 break;
6828 case NL80211_CHAN_WIDTH_40:
6829 ht40 = true;
6830 break;
6831 default:
6832 ret = -ENOTSUPP;
6833 goto exit;
6834 }
6835
6836 channel = hw->conf.chandef.chan->hw_value;
6837
6838 priv->fops->set_tx_power(priv, channel, ht40);
6839
6840 priv->fops->config_channel(hw);
6841 }
6842
6843 exit:
6844 return ret;
6845 }
6846
rtl8xxxu_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,unsigned int link_id,u16 queue,const struct ieee80211_tx_queue_params * param)6847 static int rtl8xxxu_conf_tx(struct ieee80211_hw *hw,
6848 struct ieee80211_vif *vif,
6849 unsigned int link_id, u16 queue,
6850 const struct ieee80211_tx_queue_params *param)
6851 {
6852 struct rtl8xxxu_priv *priv = hw->priv;
6853 struct device *dev = &priv->udev->dev;
6854 u32 val32;
6855 u8 aifs, acm_ctrl, acm_bit;
6856
6857 aifs = param->aifs;
6858
6859 val32 = aifs |
6860 fls(param->cw_min) << EDCA_PARAM_ECW_MIN_SHIFT |
6861 fls(param->cw_max) << EDCA_PARAM_ECW_MAX_SHIFT |
6862 (u32)param->txop << EDCA_PARAM_TXOP_SHIFT;
6863
6864 acm_ctrl = rtl8xxxu_read8(priv, REG_ACM_HW_CTRL);
6865 dev_dbg(dev,
6866 "%s: IEEE80211 queue %02x val %08x, acm %i, acm_ctrl %02x\n",
6867 __func__, queue, val32, param->acm, acm_ctrl);
6868
6869 switch (queue) {
6870 case IEEE80211_AC_VO:
6871 acm_bit = ACM_HW_CTRL_VO;
6872 rtl8xxxu_write32(priv, REG_EDCA_VO_PARAM, val32);
6873 break;
6874 case IEEE80211_AC_VI:
6875 acm_bit = ACM_HW_CTRL_VI;
6876 rtl8xxxu_write32(priv, REG_EDCA_VI_PARAM, val32);
6877 break;
6878 case IEEE80211_AC_BE:
6879 acm_bit = ACM_HW_CTRL_BE;
6880 rtl8xxxu_write32(priv, REG_EDCA_BE_PARAM, val32);
6881 break;
6882 case IEEE80211_AC_BK:
6883 acm_bit = ACM_HW_CTRL_BK;
6884 rtl8xxxu_write32(priv, REG_EDCA_BK_PARAM, val32);
6885 break;
6886 default:
6887 acm_bit = 0;
6888 break;
6889 }
6890
6891 if (param->acm)
6892 acm_ctrl |= acm_bit;
6893 else
6894 acm_ctrl &= ~acm_bit;
6895 rtl8xxxu_write8(priv, REG_ACM_HW_CTRL, acm_ctrl);
6896
6897 return 0;
6898 }
6899
rtl8xxxu_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)6900 static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw,
6901 unsigned int changed_flags,
6902 unsigned int *total_flags, u64 multicast)
6903 {
6904 struct rtl8xxxu_priv *priv = hw->priv;
6905 u32 rcr = priv->regrcr;
6906
6907 dev_dbg(&priv->udev->dev, "%s: changed_flags %08x, total_flags %08x\n",
6908 __func__, changed_flags, *total_flags);
6909
6910 /*
6911 * FIF_ALLMULTI ignored as all multicast frames are accepted (REG_MAR)
6912 */
6913
6914 if (*total_flags & FIF_FCSFAIL)
6915 rcr |= RCR_ACCEPT_CRC32;
6916 else
6917 rcr &= ~RCR_ACCEPT_CRC32;
6918
6919 /*
6920 * FIF_PLCPFAIL not supported?
6921 */
6922
6923 if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
6924 rcr &= ~(RCR_CHECK_BSSID_BEACON | RCR_CHECK_BSSID_MATCH);
6925 else
6926 rcr |= RCR_CHECK_BSSID_BEACON | RCR_CHECK_BSSID_MATCH;
6927
6928 if (priv->vifs[0] && priv->vifs[0]->type == NL80211_IFTYPE_AP)
6929 rcr &= ~(RCR_CHECK_BSSID_MATCH | RCR_CHECK_BSSID_BEACON);
6930
6931 if (*total_flags & FIF_CONTROL)
6932 rcr |= RCR_ACCEPT_CTRL_FRAME;
6933 else
6934 rcr &= ~RCR_ACCEPT_CTRL_FRAME;
6935
6936 if (*total_flags & FIF_OTHER_BSS)
6937 rcr |= RCR_ACCEPT_AP;
6938 else
6939 rcr &= ~RCR_ACCEPT_AP;
6940
6941 if (*total_flags & FIF_PSPOLL)
6942 rcr |= RCR_ACCEPT_PM;
6943 else
6944 rcr &= ~RCR_ACCEPT_PM;
6945
6946 /*
6947 * FIF_PROBE_REQ ignored as probe requests always seem to be accepted
6948 */
6949
6950 rtl8xxxu_write32(priv, REG_RCR, rcr);
6951 priv->regrcr = rcr;
6952
6953 *total_flags &= (FIF_ALLMULTI | FIF_FCSFAIL | FIF_BCN_PRBRESP_PROMISC |
6954 FIF_CONTROL | FIF_OTHER_BSS | FIF_PSPOLL |
6955 FIF_PROBE_REQ);
6956 }
6957
rtl8xxxu_set_rts_threshold(struct ieee80211_hw * hw,int radio_idx,u32 rts)6958 static int rtl8xxxu_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx,
6959 u32 rts)
6960 {
6961 if (rts > 2347 && rts != (u32)-1)
6962 return -EINVAL;
6963
6964 return 0;
6965 }
6966
rtl8xxxu_get_free_sec_cam(struct ieee80211_hw * hw)6967 static int rtl8xxxu_get_free_sec_cam(struct ieee80211_hw *hw)
6968 {
6969 struct rtl8xxxu_priv *priv = hw->priv;
6970
6971 return find_first_zero_bit(priv->cam_map, priv->fops->max_sec_cam_num);
6972 }
6973
rtl8xxxu_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)6974 static int rtl8xxxu_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
6975 struct ieee80211_vif *vif,
6976 struct ieee80211_sta *sta,
6977 struct ieee80211_key_conf *key)
6978 {
6979 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv;
6980 struct rtl8xxxu_priv *priv = hw->priv;
6981 struct device *dev = &priv->udev->dev;
6982 u8 mac_addr[ETH_ALEN];
6983 u8 val8;
6984 u16 val16;
6985 u32 val32;
6986 int retval = -EOPNOTSUPP;
6987
6988 dev_dbg(dev, "%s: cmd %02x, cipher %08x, index %i\n",
6989 __func__, cmd, key->cipher, key->keyidx);
6990
6991 if (key->keyidx > 3)
6992 return -EOPNOTSUPP;
6993
6994 switch (key->cipher) {
6995 case WLAN_CIPHER_SUITE_WEP40:
6996 case WLAN_CIPHER_SUITE_WEP104:
6997
6998 break;
6999 case WLAN_CIPHER_SUITE_CCMP:
7000 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX;
7001 break;
7002 case WLAN_CIPHER_SUITE_TKIP:
7003 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
7004 break;
7005 default:
7006 return -EOPNOTSUPP;
7007 }
7008
7009 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
7010 dev_dbg(dev, "%s: pairwise key\n", __func__);
7011 ether_addr_copy(mac_addr, sta->addr);
7012 } else {
7013 dev_dbg(dev, "%s: group key\n", __func__);
7014 ether_addr_copy(mac_addr, vif->bss_conf.bssid);
7015 }
7016
7017 val16 = rtl8xxxu_read16(priv, REG_CR);
7018 val16 |= CR_SECURITY_ENABLE;
7019 rtl8xxxu_write16(priv, REG_CR, val16);
7020
7021 val8 = SEC_CFG_TX_SEC_ENABLE | SEC_CFG_TXBC_USE_DEFKEY |
7022 SEC_CFG_RX_SEC_ENABLE | SEC_CFG_RXBC_USE_DEFKEY;
7023 val8 |= SEC_CFG_TX_USE_DEFKEY | SEC_CFG_RX_USE_DEFKEY;
7024 rtl8xxxu_write8(priv, REG_SECURITY_CFG, val8);
7025
7026 switch (cmd) {
7027 case SET_KEY:
7028
7029 retval = rtl8xxxu_get_free_sec_cam(hw);
7030 if (retval < 0)
7031 return -EOPNOTSUPP;
7032
7033 key->hw_key_idx = retval;
7034
7035 if (vif->type == NL80211_IFTYPE_AP && !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
7036 rtlvif->hw_key_idx = key->hw_key_idx;
7037
7038 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
7039 rtl8xxxu_cam_write(priv, key, mac_addr);
7040 set_bit(key->hw_key_idx, priv->cam_map);
7041 retval = 0;
7042 break;
7043 case DISABLE_KEY:
7044 rtl8xxxu_write32(priv, REG_CAM_WRITE, 0x00000000);
7045 val32 = CAM_CMD_POLLING | CAM_CMD_WRITE |
7046 key->hw_key_idx << CAM_CMD_KEY_SHIFT;
7047 rtl8xxxu_write32(priv, REG_CAM_CMD, val32);
7048 rtlvif->hw_key_idx = 0xff;
7049 clear_bit(key->hw_key_idx, priv->cam_map);
7050 retval = 0;
7051 break;
7052 default:
7053 dev_warn(dev, "%s: Unsupported command %02x\n", __func__, cmd);
7054 }
7055
7056 return retval;
7057 }
7058
7059 static int
rtl8xxxu_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)7060 rtl8xxxu_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
7061 struct ieee80211_ampdu_params *params)
7062 {
7063 struct rtl8xxxu_priv *priv = hw->priv;
7064 struct device *dev = &priv->udev->dev;
7065 u8 ampdu_factor, ampdu_density;
7066 struct ieee80211_sta *sta = params->sta;
7067 u16 tid = params->tid;
7068 enum ieee80211_ampdu_mlme_action action = params->action;
7069
7070 switch (action) {
7071 case IEEE80211_AMPDU_TX_START:
7072 dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_START\n", __func__);
7073 ampdu_factor = sta->deflink.ht_cap.ampdu_factor;
7074 ampdu_density = sta->deflink.ht_cap.ampdu_density;
7075 rtl8xxxu_set_ampdu_factor(priv, ampdu_factor);
7076 rtl8xxxu_set_ampdu_min_space(priv, ampdu_density);
7077 dev_dbg(dev,
7078 "Changed HT: ampdu_factor %02x, ampdu_density %02x\n",
7079 ampdu_factor, ampdu_density);
7080 return IEEE80211_AMPDU_TX_START_IMMEDIATE;
7081 case IEEE80211_AMPDU_TX_STOP_CONT:
7082 case IEEE80211_AMPDU_TX_STOP_FLUSH:
7083 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
7084 dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_STOP\n", __func__);
7085 rtl8xxxu_set_ampdu_factor(priv, 0);
7086 rtl8xxxu_set_ampdu_min_space(priv, 0);
7087 clear_bit(tid, priv->tx_aggr_started);
7088 clear_bit(tid, priv->tid_tx_operational);
7089 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
7090 break;
7091 case IEEE80211_AMPDU_TX_OPERATIONAL:
7092 dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_OPERATIONAL\n", __func__);
7093 set_bit(tid, priv->tid_tx_operational);
7094 break;
7095 case IEEE80211_AMPDU_RX_START:
7096 dev_dbg(dev, "%s: IEEE80211_AMPDU_RX_START\n", __func__);
7097 break;
7098 case IEEE80211_AMPDU_RX_STOP:
7099 dev_dbg(dev, "%s: IEEE80211_AMPDU_RX_STOP\n", __func__);
7100 break;
7101 default:
7102 break;
7103 }
7104 return 0;
7105 }
7106
7107 static void
rtl8xxxu_sta_statistics(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct station_info * sinfo)7108 rtl8xxxu_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
7109 struct ieee80211_sta *sta, struct station_info *sinfo)
7110 {
7111 struct rtl8xxxu_priv *priv = hw->priv;
7112
7113 sinfo->txrate = priv->ra_report.txrate;
7114 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
7115 }
7116
rtl8xxxu_signal_to_snr(int signal)7117 static u8 rtl8xxxu_signal_to_snr(int signal)
7118 {
7119 if (signal < RTL8XXXU_NOISE_FLOOR_MIN)
7120 signal = RTL8XXXU_NOISE_FLOOR_MIN;
7121 else if (signal > 0)
7122 signal = 0;
7123 return (u8)(signal - RTL8XXXU_NOISE_FLOOR_MIN);
7124 }
7125
rtl8xxxu_refresh_rate_mask(struct rtl8xxxu_priv * priv,int signal,struct ieee80211_sta * sta,bool force)7126 static void rtl8xxxu_refresh_rate_mask(struct rtl8xxxu_priv *priv,
7127 int signal, struct ieee80211_sta *sta,
7128 bool force)
7129 {
7130 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv;
7131 struct ieee80211_hw *hw = priv->hw;
7132 u16 wireless_mode;
7133 u8 rssi_level, ratr_idx;
7134 u8 txbw_40mhz;
7135 u8 snr, snr_thresh_high, snr_thresh_low;
7136 u8 go_up_gap = 5;
7137 u8 macid = rtl8xxxu_get_macid(priv, sta);
7138
7139 rssi_level = sta_info->rssi_level;
7140 snr = rtl8xxxu_signal_to_snr(signal);
7141 snr_thresh_high = RTL8XXXU_SNR_THRESH_HIGH;
7142 snr_thresh_low = RTL8XXXU_SNR_THRESH_LOW;
7143 txbw_40mhz = (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) ? 1 : 0;
7144
7145 switch (rssi_level) {
7146 case RTL8XXXU_RATR_STA_MID:
7147 snr_thresh_high += go_up_gap;
7148 break;
7149 case RTL8XXXU_RATR_STA_LOW:
7150 snr_thresh_high += go_up_gap;
7151 snr_thresh_low += go_up_gap;
7152 break;
7153 default:
7154 break;
7155 }
7156
7157 if (snr > snr_thresh_high)
7158 rssi_level = RTL8XXXU_RATR_STA_HIGH;
7159 else if (snr > snr_thresh_low)
7160 rssi_level = RTL8XXXU_RATR_STA_MID;
7161 else
7162 rssi_level = RTL8XXXU_RATR_STA_LOW;
7163
7164 if (rssi_level != sta_info->rssi_level || force) {
7165 int sgi = 0;
7166 u32 rate_bitmap = 0;
7167
7168 rate_bitmap = (sta->deflink.supp_rates[0] & 0xfff) |
7169 (sta->deflink.ht_cap.mcs.rx_mask[0] << 12) |
7170 (sta->deflink.ht_cap.mcs.rx_mask[1] << 20);
7171 if (sta->deflink.ht_cap.cap &
7172 (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20))
7173 sgi = 1;
7174
7175 wireless_mode = rtl8xxxu_wireless_mode(hw, sta);
7176 switch (wireless_mode) {
7177 case WIRELESS_MODE_B:
7178 ratr_idx = RATEID_IDX_B;
7179 if (rate_bitmap & 0x0000000c)
7180 rate_bitmap &= 0x0000000d;
7181 else
7182 rate_bitmap &= 0x0000000f;
7183 break;
7184 case WIRELESS_MODE_A:
7185 case WIRELESS_MODE_G:
7186 ratr_idx = RATEID_IDX_G;
7187 if (rssi_level == RTL8XXXU_RATR_STA_HIGH)
7188 rate_bitmap &= 0x00000f00;
7189 else
7190 rate_bitmap &= 0x00000ff0;
7191 break;
7192 case (WIRELESS_MODE_B | WIRELESS_MODE_G):
7193 ratr_idx = RATEID_IDX_BG;
7194 if (rssi_level == RTL8XXXU_RATR_STA_HIGH)
7195 rate_bitmap &= 0x00000f00;
7196 else if (rssi_level == RTL8XXXU_RATR_STA_MID)
7197 rate_bitmap &= 0x00000ff0;
7198 else
7199 rate_bitmap &= 0x00000ff5;
7200 break;
7201 case WIRELESS_MODE_N_24G:
7202 case WIRELESS_MODE_N_5G:
7203 case (WIRELESS_MODE_G | WIRELESS_MODE_N_24G):
7204 case (WIRELESS_MODE_A | WIRELESS_MODE_N_5G):
7205 if (priv->tx_paths == 2 && priv->rx_paths == 2)
7206 ratr_idx = RATEID_IDX_GN_N2SS;
7207 else
7208 ratr_idx = RATEID_IDX_GN_N1SS;
7209 break;
7210 case (WIRELESS_MODE_B | WIRELESS_MODE_G | WIRELESS_MODE_N_24G):
7211 case (WIRELESS_MODE_B | WIRELESS_MODE_N_24G):
7212 if (txbw_40mhz) {
7213 if (priv->tx_paths == 2 && priv->rx_paths == 2)
7214 ratr_idx = RATEID_IDX_BGN_40M_2SS;
7215 else
7216 ratr_idx = RATEID_IDX_BGN_40M_1SS;
7217 } else {
7218 if (priv->tx_paths == 2 && priv->rx_paths == 2)
7219 ratr_idx = RATEID_IDX_BGN_20M_2SS_BN;
7220 else
7221 ratr_idx = RATEID_IDX_BGN_20M_1SS_BN;
7222 }
7223
7224 if (priv->tx_paths == 2 && priv->rx_paths == 2) {
7225 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) {
7226 rate_bitmap &= 0x0f8f0000;
7227 } else if (rssi_level == RTL8XXXU_RATR_STA_MID) {
7228 rate_bitmap &= 0x0f8ff000;
7229 } else {
7230 if (txbw_40mhz)
7231 rate_bitmap &= 0x0f8ff015;
7232 else
7233 rate_bitmap &= 0x0f8ff005;
7234 }
7235 } else {
7236 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) {
7237 rate_bitmap &= 0x000f0000;
7238 } else if (rssi_level == RTL8XXXU_RATR_STA_MID) {
7239 rate_bitmap &= 0x000ff000;
7240 } else {
7241 if (txbw_40mhz)
7242 rate_bitmap &= 0x000ff015;
7243 else
7244 rate_bitmap &= 0x000ff005;
7245 }
7246 }
7247 break;
7248 default:
7249 ratr_idx = RATEID_IDX_BGN_40M_2SS;
7250 rate_bitmap &= 0x0fffffff;
7251 break;
7252 }
7253
7254 sta_info->rssi_level = rssi_level;
7255 priv->fops->update_rate_mask(priv, rate_bitmap, ratr_idx, sgi, txbw_40mhz, macid);
7256 }
7257 }
7258
rtl8xxxu_set_atc_status(struct rtl8xxxu_priv * priv,bool atc_status)7259 static void rtl8xxxu_set_atc_status(struct rtl8xxxu_priv *priv, bool atc_status)
7260 {
7261 struct rtl8xxxu_cfo_tracking *cfo = &priv->cfo_tracking;
7262 u32 val32;
7263
7264 if (atc_status == cfo->atc_status)
7265 return;
7266
7267 cfo->atc_status = atc_status;
7268
7269 val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING);
7270 if (atc_status)
7271 val32 |= CFO_TRACKING_ATC_STATUS;
7272 else
7273 val32 &= ~CFO_TRACKING_ATC_STATUS;
7274 rtl8xxxu_write32(priv, REG_OFDM1_CFO_TRACKING, val32);
7275 }
7276
7277 /* Central frequency offset correction */
rtl8xxxu_track_cfo(struct rtl8xxxu_priv * priv)7278 static void rtl8xxxu_track_cfo(struct rtl8xxxu_priv *priv)
7279 {
7280 struct rtl8xxxu_cfo_tracking *cfo = &priv->cfo_tracking;
7281 int cfo_khz_a, cfo_khz_b, cfo_average;
7282 int crystal_cap;
7283
7284 if (!rtl8xxxu_is_assoc(priv)) {
7285 /* Reset */
7286 cfo->adjust = true;
7287
7288 if (cfo->crystal_cap > priv->default_crystal_cap)
7289 priv->fops->set_crystal_cap(priv, cfo->crystal_cap - 1);
7290 else if (cfo->crystal_cap < priv->default_crystal_cap)
7291 priv->fops->set_crystal_cap(priv, cfo->crystal_cap + 1);
7292
7293 rtl8xxxu_set_atc_status(priv, true);
7294
7295 return;
7296 }
7297
7298 if (cfo->packet_count == cfo->packet_count_pre)
7299 /* No new information. */
7300 return;
7301
7302 cfo->packet_count_pre = cfo->packet_count;
7303
7304 /* CFO_tail[1:0] is S(8,7), (num_subcarrier>>7) x 312.5K = CFO value(K Hz) */
7305 cfo_khz_a = (int)((cfo->cfo_tail[0] * 3125) / 10) >> 7;
7306 cfo_khz_b = (int)((cfo->cfo_tail[1] * 3125) / 10) >> 7;
7307
7308 if (priv->tx_paths == 1)
7309 cfo_average = cfo_khz_a;
7310 else
7311 cfo_average = (cfo_khz_a + cfo_khz_b) / 2;
7312
7313 dev_dbg(&priv->udev->dev, "cfo_average: %d\n", cfo_average);
7314
7315 if (cfo->adjust) {
7316 if (abs(cfo_average) < CFO_TH_XTAL_LOW)
7317 cfo->adjust = false;
7318 } else {
7319 if (abs(cfo_average) > CFO_TH_XTAL_HIGH)
7320 cfo->adjust = true;
7321 }
7322
7323 /*
7324 * TODO: We should return here only if bluetooth is enabled.
7325 * See the vendor drivers for how to determine that.
7326 */
7327 if (priv->has_bluetooth)
7328 return;
7329
7330 if (!cfo->adjust)
7331 return;
7332
7333 crystal_cap = cfo->crystal_cap;
7334
7335 if (cfo_average > CFO_TH_XTAL_LOW)
7336 crystal_cap++;
7337 else if (cfo_average < -CFO_TH_XTAL_LOW)
7338 crystal_cap--;
7339
7340 crystal_cap = clamp(crystal_cap, 0, 0x3f);
7341
7342 priv->fops->set_crystal_cap(priv, crystal_cap);
7343
7344 rtl8xxxu_set_atc_status(priv, abs(cfo_average) >= CFO_TH_ATC);
7345 }
7346
rtl8xxxu_ra_iter(void * data,struct ieee80211_sta * sta)7347 static void rtl8xxxu_ra_iter(void *data, struct ieee80211_sta *sta)
7348 {
7349 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv;
7350 struct rtl8xxxu_priv *priv = data;
7351 int signal = -ewma_rssi_read(&sta_info->avg_rssi);
7352
7353 priv->fops->report_rssi(priv, rtl8xxxu_get_macid(priv, sta),
7354 rtl8xxxu_signal_to_snr(signal));
7355 rtl8xxxu_refresh_rate_mask(priv, signal, sta, false);
7356 }
7357
7358 struct rtl8xxxu_stas_entry {
7359 struct list_head list;
7360 struct ieee80211_sta *sta;
7361 };
7362
7363 struct rtl8xxxu_iter_stas_data {
7364 struct rtl8xxxu_priv *priv;
7365 struct list_head list;
7366 };
7367
rtl8xxxu_collect_sta_iter(void * data,struct ieee80211_sta * sta)7368 static void rtl8xxxu_collect_sta_iter(void *data, struct ieee80211_sta *sta)
7369 {
7370 struct rtl8xxxu_iter_stas_data *iter_stas = data;
7371 struct rtl8xxxu_stas_entry *stas_entry;
7372
7373 stas_entry = kmalloc_obj(*stas_entry, GFP_ATOMIC);
7374 if (!stas_entry)
7375 return;
7376
7377 stas_entry->sta = sta;
7378 list_add_tail(&stas_entry->list, &iter_stas->list);
7379 }
7380
rtl8xxxu_watchdog_callback(struct work_struct * work)7381 static void rtl8xxxu_watchdog_callback(struct work_struct *work)
7382 {
7383
7384 struct rtl8xxxu_iter_stas_data iter_data;
7385 struct rtl8xxxu_stas_entry *sta_entry, *tmp;
7386 struct rtl8xxxu_priv *priv;
7387
7388 priv = container_of(work, struct rtl8xxxu_priv, ra_watchdog.work);
7389 iter_data.priv = priv;
7390 INIT_LIST_HEAD(&iter_data.list);
7391
7392 mutex_lock(&priv->sta_mutex);
7393 ieee80211_iterate_stations_atomic(priv->hw, rtl8xxxu_collect_sta_iter,
7394 &iter_data);
7395 list_for_each_entry_safe(sta_entry, tmp, &iter_data.list, list) {
7396 list_del_init(&sta_entry->list);
7397 rtl8xxxu_ra_iter(priv, sta_entry->sta);
7398 kfree(sta_entry);
7399 }
7400 mutex_unlock(&priv->sta_mutex);
7401
7402 if (priv->fops->set_crystal_cap)
7403 rtl8xxxu_track_cfo(priv);
7404
7405 schedule_delayed_work(&priv->ra_watchdog, 2 * HZ);
7406 }
7407
rtl8xxxu_start(struct ieee80211_hw * hw)7408 static int rtl8xxxu_start(struct ieee80211_hw *hw)
7409 {
7410 struct rtl8xxxu_priv *priv = hw->priv;
7411 struct rtl8xxxu_rx_urb *rx_urb;
7412 struct rtl8xxxu_tx_urb *tx_urb;
7413 struct sk_buff *skb;
7414 unsigned long flags;
7415 int ret, i;
7416
7417 ret = 0;
7418
7419 init_usb_anchor(&priv->rx_anchor);
7420 init_usb_anchor(&priv->tx_anchor);
7421 init_usb_anchor(&priv->int_anchor);
7422
7423 priv->fops->enable_rf(priv);
7424 if (priv->usb_interrupts) {
7425 ret = rtl8xxxu_submit_int_urb(hw);
7426 if (ret)
7427 goto exit;
7428 }
7429
7430 for (i = 0; i < RTL8XXXU_TX_URBS; i++) {
7431 tx_urb = kmalloc_obj(struct rtl8xxxu_tx_urb);
7432 if (!tx_urb) {
7433 if (!i)
7434 ret = -ENOMEM;
7435
7436 goto error_out;
7437 }
7438 usb_init_urb(&tx_urb->urb);
7439 INIT_LIST_HEAD(&tx_urb->list);
7440 tx_urb->hw = hw;
7441 list_add(&tx_urb->list, &priv->tx_urb_free_list);
7442 priv->tx_urb_free_count++;
7443 }
7444
7445 priv->tx_stopped = false;
7446
7447 spin_lock_irqsave(&priv->rx_urb_lock, flags);
7448 priv->shutdown = false;
7449 spin_unlock_irqrestore(&priv->rx_urb_lock, flags);
7450
7451 for (i = 0; i < RTL8XXXU_RX_URBS; i++) {
7452 rx_urb = kmalloc_obj(struct rtl8xxxu_rx_urb);
7453 if (!rx_urb) {
7454 if (!i)
7455 ret = -ENOMEM;
7456
7457 goto error_out;
7458 }
7459 usb_init_urb(&rx_urb->urb);
7460 INIT_LIST_HEAD(&rx_urb->list);
7461 rx_urb->hw = hw;
7462
7463 ret = rtl8xxxu_submit_rx_urb(priv, rx_urb);
7464 if (ret) {
7465 if (ret != -ENOMEM) {
7466 skb = (struct sk_buff *)rx_urb->urb.context;
7467 dev_kfree_skb(skb);
7468 }
7469 rtl8xxxu_queue_rx_urb(priv, rx_urb);
7470 }
7471 }
7472
7473 schedule_delayed_work(&priv->ra_watchdog, 2 * HZ);
7474 exit:
7475 /*
7476 * Accept all data and mgmt frames
7477 */
7478 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0xffff);
7479 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0xffff);
7480
7481 rtl8xxxu_write32_mask(priv, REG_OFDM0_XA_AGC_CORE1,
7482 OFDM0_X_AGC_CORE1_IGI_MASK, 0x1e);
7483
7484 return ret;
7485
7486 error_out:
7487 rtl8xxxu_free_tx_resources(priv);
7488 /*
7489 * Disable all data and mgmt frames
7490 */
7491 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0x0000);
7492 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0x0000);
7493
7494 return ret;
7495 }
7496
rtl8xxxu_stop(struct ieee80211_hw * hw,bool suspend)7497 static void rtl8xxxu_stop(struct ieee80211_hw *hw, bool suspend)
7498 {
7499 struct rtl8xxxu_priv *priv = hw->priv;
7500 unsigned long flags;
7501
7502 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
7503
7504 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0x0000);
7505 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0x0000);
7506
7507 spin_lock_irqsave(&priv->rx_urb_lock, flags);
7508 priv->shutdown = true;
7509 spin_unlock_irqrestore(&priv->rx_urb_lock, flags);
7510
7511 /*
7512 * Cancel before killing rx_anchor: the worker re-anchors every URB
7513 * it drained via rtl8xxxu_submit_rx_urb(), so a worker still running
7514 * after the kill could submit a URB that escapes it.
7515 */
7516 cancel_work_sync(&priv->rx_urb_wq);
7517
7518 usb_kill_anchored_urbs(&priv->rx_anchor);
7519 usb_kill_anchored_urbs(&priv->tx_anchor);
7520 if (priv->usb_interrupts)
7521 usb_kill_anchored_urbs(&priv->int_anchor);
7522
7523 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff);
7524
7525 priv->fops->disable_rf(priv);
7526
7527 /*
7528 * Disable interrupts
7529 */
7530 if (priv->usb_interrupts)
7531 rtl8xxxu_write32(priv, REG_USB_HIMR, 0);
7532
7533 cancel_work_sync(&priv->c2hcmd_work);
7534 cancel_delayed_work_sync(&priv->ra_watchdog);
7535 cancel_delayed_work_sync(&priv->update_beacon_work);
7536
7537 rtl8xxxu_free_rx_resources(priv);
7538 rtl8xxxu_free_tx_resources(priv);
7539 }
7540
rtl8xxxu_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)7541 static int rtl8xxxu_sta_add(struct ieee80211_hw *hw,
7542 struct ieee80211_vif *vif,
7543 struct ieee80211_sta *sta)
7544 {
7545 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv;
7546 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv;
7547 struct rtl8xxxu_priv *priv = hw->priv;
7548
7549 mutex_lock(&priv->sta_mutex);
7550 ewma_rssi_init(&sta_info->avg_rssi);
7551 if (vif->type == NL80211_IFTYPE_AP) {
7552 sta_info->rssi_level = RTL8XXXU_RATR_STA_INIT;
7553 sta_info->macid = rtl8xxxu_acquire_macid(priv);
7554 if (sta_info->macid >= RTL8XXXU_MAX_MAC_ID_NUM) {
7555 mutex_unlock(&priv->sta_mutex);
7556 return -ENOSPC;
7557 }
7558
7559 rtl8xxxu_refresh_rate_mask(priv, 0, sta, true);
7560 priv->fops->report_connect(priv, sta_info->macid, H2C_MACID_ROLE_STA, true);
7561 } else {
7562 switch (rtlvif->port_num) {
7563 case 0:
7564 sta_info->macid = RTL8XXXU_BC_MC_MACID;
7565 break;
7566 case 1:
7567 sta_info->macid = RTL8XXXU_BC_MC_MACID1;
7568 break;
7569 default:
7570 break;
7571 }
7572 }
7573 mutex_unlock(&priv->sta_mutex);
7574
7575 return 0;
7576 }
7577
rtl8xxxu_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)7578 static int rtl8xxxu_sta_remove(struct ieee80211_hw *hw,
7579 struct ieee80211_vif *vif,
7580 struct ieee80211_sta *sta)
7581 {
7582 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv;
7583 struct rtl8xxxu_priv *priv = hw->priv;
7584
7585 mutex_lock(&priv->sta_mutex);
7586 if (vif->type == NL80211_IFTYPE_AP)
7587 rtl8xxxu_release_macid(priv, sta_info->macid);
7588 mutex_unlock(&priv->sta_mutex);
7589
7590 return 0;
7591 }
7592
7593 static const struct ieee80211_ops rtl8xxxu_ops = {
7594 .add_chanctx = ieee80211_emulate_add_chanctx,
7595 .remove_chanctx = ieee80211_emulate_remove_chanctx,
7596 .change_chanctx = ieee80211_emulate_change_chanctx,
7597 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
7598 .tx = rtl8xxxu_tx,
7599 .wake_tx_queue = ieee80211_handle_wake_tx_queue,
7600 .add_interface = rtl8xxxu_add_interface,
7601 .remove_interface = rtl8xxxu_remove_interface,
7602 .config = rtl8xxxu_config,
7603 .conf_tx = rtl8xxxu_conf_tx,
7604 .bss_info_changed = rtl8xxxu_bss_info_changed,
7605 .start_ap = rtl8xxxu_start_ap,
7606 .configure_filter = rtl8xxxu_configure_filter,
7607 .set_rts_threshold = rtl8xxxu_set_rts_threshold,
7608 .start = rtl8xxxu_start,
7609 .stop = rtl8xxxu_stop,
7610 .sw_scan_start = rtl8xxxu_sw_scan_start,
7611 .sw_scan_complete = rtl8xxxu_sw_scan_complete,
7612 .set_key = rtl8xxxu_set_key,
7613 .ampdu_action = rtl8xxxu_ampdu_action,
7614 .sta_statistics = rtl8xxxu_sta_statistics,
7615 .get_antenna = rtl8xxxu_get_antenna,
7616 .set_tim = rtl8xxxu_set_tim,
7617 .sta_add = rtl8xxxu_sta_add,
7618 .sta_remove = rtl8xxxu_sta_remove,
7619 };
7620
rtl8xxxu_parse_usb(struct rtl8xxxu_priv * priv,struct usb_interface * interface)7621 static int rtl8xxxu_parse_usb(struct rtl8xxxu_priv *priv,
7622 struct usb_interface *interface)
7623 {
7624 struct usb_interface_descriptor *interface_desc;
7625 struct usb_host_interface *host_interface;
7626 struct usb_endpoint_descriptor *endpoint;
7627 struct device *dev = &priv->udev->dev;
7628 int i, j = 0, endpoints;
7629 u8 dir, xtype, num;
7630 int ret = 0;
7631
7632 host_interface = interface->cur_altsetting;
7633 interface_desc = &host_interface->desc;
7634 endpoints = interface_desc->bNumEndpoints;
7635
7636 for (i = 0; i < endpoints; i++) {
7637 endpoint = &host_interface->endpoint[i].desc;
7638
7639 dir = endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK;
7640 num = usb_endpoint_num(endpoint);
7641 xtype = usb_endpoint_type(endpoint);
7642 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB)
7643 dev_dbg(dev,
7644 "%s: endpoint: dir %02x, # %02x, type %02x\n",
7645 __func__, dir, num, xtype);
7646 if (usb_endpoint_dir_in(endpoint) &&
7647 usb_endpoint_xfer_bulk(endpoint)) {
7648 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB)
7649 dev_dbg(dev, "%s: in endpoint num %i\n",
7650 __func__, num);
7651
7652 if (priv->pipe_in) {
7653 dev_warn(dev,
7654 "%s: Too many IN pipes\n", __func__);
7655 ret = -EINVAL;
7656 goto exit;
7657 }
7658
7659 priv->pipe_in = usb_rcvbulkpipe(priv->udev, num);
7660 }
7661
7662 if (usb_endpoint_dir_in(endpoint) &&
7663 usb_endpoint_xfer_int(endpoint)) {
7664 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB)
7665 dev_dbg(dev, "%s: interrupt endpoint num %i\n",
7666 __func__, num);
7667
7668 if (priv->pipe_interrupt) {
7669 dev_warn(dev, "%s: Too many INTERRUPT pipes\n",
7670 __func__);
7671 ret = -EINVAL;
7672 goto exit;
7673 }
7674
7675 priv->pipe_interrupt = usb_rcvintpipe(priv->udev, num);
7676 }
7677
7678 if (usb_endpoint_dir_out(endpoint) &&
7679 usb_endpoint_xfer_bulk(endpoint)) {
7680 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB)
7681 dev_dbg(dev, "%s: out endpoint num %i\n",
7682 __func__, num);
7683 if (j >= RTL8XXXU_OUT_ENDPOINTS) {
7684 dev_warn(dev,
7685 "%s: Too many OUT pipes\n", __func__);
7686 ret = -EINVAL;
7687 goto exit;
7688 }
7689 priv->out_ep[j++] = num;
7690 }
7691 }
7692 exit:
7693 priv->nr_out_eps = j;
7694 return ret;
7695 }
7696
rtl8xxxu_init_led(struct rtl8xxxu_priv * priv)7697 static void rtl8xxxu_init_led(struct rtl8xxxu_priv *priv)
7698 {
7699 struct led_classdev *led = &priv->led_cdev;
7700
7701 if (!priv->fops->led_classdev_brightness_set)
7702 return;
7703
7704 led->brightness_set_blocking = priv->fops->led_classdev_brightness_set;
7705
7706 snprintf(priv->led_name, sizeof(priv->led_name),
7707 "rtl8xxxu-usb%s", dev_name(&priv->udev->dev));
7708 led->name = priv->led_name;
7709 led->max_brightness = RTL8XXXU_HW_LED_CONTROL;
7710
7711 if (led_classdev_register(&priv->udev->dev, led))
7712 return;
7713
7714 priv->led_registered = true;
7715
7716 led->brightness = led->max_brightness;
7717 priv->fops->led_classdev_brightness_set(led, led->brightness);
7718 }
7719
rtl8xxxu_deinit_led(struct rtl8xxxu_priv * priv)7720 static void rtl8xxxu_deinit_led(struct rtl8xxxu_priv *priv)
7721 {
7722 struct led_classdev *led = &priv->led_cdev;
7723
7724 if (!priv->led_registered)
7725 return;
7726
7727 priv->fops->led_classdev_brightness_set(led, LED_OFF);
7728 led_classdev_unregister(led);
7729 }
7730
7731 static const struct ieee80211_iface_limit rtl8xxxu_limits[] = {
7732 { .max = 2, .types = BIT(NL80211_IFTYPE_STATION), },
7733 { .max = 1, .types = BIT(NL80211_IFTYPE_AP), },
7734 };
7735
7736 static const struct ieee80211_iface_combination rtl8xxxu_combinations[] = {
7737 {
7738 .limits = rtl8xxxu_limits,
7739 .n_limits = ARRAY_SIZE(rtl8xxxu_limits),
7740 .max_interfaces = 2,
7741 .num_different_channels = 1,
7742 },
7743 };
7744
rtl8xxxu_probe(struct usb_interface * interface,const struct usb_device_id * id)7745 static int rtl8xxxu_probe(struct usb_interface *interface,
7746 const struct usb_device_id *id)
7747 {
7748 struct rtl8xxxu_priv *priv;
7749 struct ieee80211_hw *hw;
7750 struct usb_device *udev;
7751 struct ieee80211_supported_band *sband;
7752 int ret;
7753 int untested = 1;
7754
7755 udev = interface_to_usbdev(interface);
7756
7757 switch (id->idVendor) {
7758 case USB_VENDOR_ID_REALTEK:
7759 switch(id->idProduct) {
7760 case 0x0179:
7761 case 0x1724:
7762 case 0x8176:
7763 case 0x8178:
7764 case 0x817f:
7765 case 0x818b:
7766 case 0xf179:
7767 case 0x8179:
7768 case 0xb711:
7769 case 0xf192:
7770 case 0x2005:
7771 untested = 0;
7772 break;
7773 }
7774 break;
7775 case 0x7392:
7776 if (id->idProduct == 0x7811 || id->idProduct == 0xa611 || id->idProduct == 0xb811)
7777 untested = 0;
7778 break;
7779 case 0x050d:
7780 if (id->idProduct == 0x1004)
7781 untested = 0;
7782 break;
7783 case 0x20f4:
7784 if (id->idProduct == 0x648b)
7785 untested = 0;
7786 break;
7787 case 0x2001:
7788 if (id->idProduct == 0x3308)
7789 untested = 0;
7790 break;
7791 case 0x2357:
7792 if (id->idProduct == 0x0109 || id->idProduct == 0x010c ||
7793 id->idProduct == 0x0135)
7794 untested = 0;
7795 break;
7796 case 0x0b05:
7797 if (id->idProduct == 0x18f1)
7798 untested = 0;
7799 break;
7800 default:
7801 break;
7802 }
7803
7804 if (untested) {
7805 rtl8xxxu_debug |= RTL8XXXU_DEBUG_EFUSE;
7806 dev_info(&udev->dev,
7807 "This Realtek USB WiFi dongle (0x%04x:0x%04x) is untested!\n",
7808 id->idVendor, id->idProduct);
7809 dev_info(&udev->dev,
7810 "Please report results to Jes.Sorensen@gmail.com\n");
7811 }
7812
7813 hw = ieee80211_alloc_hw(sizeof(struct rtl8xxxu_priv), &rtl8xxxu_ops);
7814 if (!hw)
7815 return -ENOMEM;
7816
7817 priv = hw->priv;
7818 priv->hw = hw;
7819 priv->udev = udev;
7820 priv->fops = (struct rtl8xxxu_fileops *)id->driver_info;
7821 mutex_init(&priv->usb_buf_mutex);
7822 mutex_init(&priv->syson_indirect_access_mutex);
7823 mutex_init(&priv->h2c_mutex);
7824 mutex_init(&priv->sta_mutex);
7825 INIT_LIST_HEAD(&priv->tx_urb_free_list);
7826 spin_lock_init(&priv->tx_urb_lock);
7827 INIT_LIST_HEAD(&priv->rx_urb_pending_list);
7828 spin_lock_init(&priv->rx_urb_lock);
7829 INIT_WORK(&priv->rx_urb_wq, rtl8xxxu_rx_urb_work);
7830 INIT_DELAYED_WORK(&priv->ra_watchdog, rtl8xxxu_watchdog_callback);
7831 INIT_DELAYED_WORK(&priv->update_beacon_work, rtl8xxxu_update_beacon_work_callback);
7832 skb_queue_head_init(&priv->c2hcmd_queue);
7833
7834 usb_set_intfdata(interface, hw);
7835
7836 ret = rtl8xxxu_parse_usb(priv, interface);
7837 if (ret)
7838 goto err_set_intfdata;
7839
7840 ret = priv->fops->identify_chip(priv);
7841 if (ret) {
7842 dev_err(&udev->dev, "Fatal - failed to identify chip\n");
7843 goto err_set_intfdata;
7844 }
7845
7846 hw->wiphy->available_antennas_tx = BIT(priv->tx_paths) - 1;
7847 hw->wiphy->available_antennas_rx = BIT(priv->rx_paths) - 1;
7848
7849 if (priv->rtl_chip == RTL8188E)
7850 INIT_WORK(&priv->c2hcmd_work, rtl8188e_c2hcmd_callback);
7851 else
7852 INIT_WORK(&priv->c2hcmd_work, rtl8xxxu_c2hcmd_callback);
7853
7854 ret = priv->fops->read_efuse(priv);
7855 if (ret) {
7856 dev_err(&udev->dev, "Fatal - failed to read EFuse\n");
7857 goto err_set_intfdata;
7858 }
7859
7860 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE)
7861 rtl8xxxu_dump_efuse(priv);
7862
7863 ret = priv->fops->parse_efuse(priv);
7864 if (ret) {
7865 dev_err(&udev->dev, "Fatal - failed to parse EFuse\n");
7866 goto err_set_intfdata;
7867 }
7868
7869 rtl8xxxu_print_chipinfo(priv);
7870
7871 ret = priv->fops->load_firmware(priv);
7872 if (ret) {
7873 dev_err(&udev->dev, "Fatal - failed to load firmware\n");
7874 goto err_set_intfdata;
7875 }
7876
7877 ret = rtl8xxxu_init_device(hw);
7878 if (ret)
7879 goto err_set_intfdata;
7880
7881 hw->vif_data_size = sizeof(struct rtl8xxxu_vif);
7882 hw->sta_data_size = sizeof(struct rtl8xxxu_sta_info);
7883
7884 hw->wiphy->max_scan_ssids = 1;
7885 hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
7886 if (priv->fops->max_macid_num)
7887 hw->wiphy->max_ap_assoc_sta = priv->fops->max_macid_num - 1;
7888 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
7889 if (priv->fops->supports_ap)
7890 hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP);
7891 hw->queues = 4;
7892
7893 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
7894
7895 if (priv->fops->supports_concurrent) {
7896 hw->wiphy->iface_combinations = rtl8xxxu_combinations;
7897 hw->wiphy->n_iface_combinations = ARRAY_SIZE(rtl8xxxu_combinations);
7898 }
7899
7900 sband = &rtl8xxxu_supported_band;
7901 sband->ht_cap.ht_supported = true;
7902 sband->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
7903 sband->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
7904 sband->ht_cap.cap = IEEE80211_HT_CAP_SGI_20;
7905
7906 if (priv->hw_feature.max_bw >= 40) {
7907 sband->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40;
7908 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
7909 } else {
7910 dev_info(&udev->dev, "hardware doesn't support HT40\n");
7911 }
7912
7913 memset(&sband->ht_cap.mcs, 0, sizeof(sband->ht_cap.mcs));
7914 sband->ht_cap.mcs.rx_mask[0] = 0xff;
7915 sband->ht_cap.mcs.rx_mask[4] = 0x01;
7916 if (priv->rf_paths > 1)
7917 sband->ht_cap.mcs.rx_mask[1] = 0xff;
7918 sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
7919
7920 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
7921
7922 hw->wiphy->rts_threshold = 2347;
7923
7924 SET_IEEE80211_DEV(priv->hw, &interface->dev);
7925 SET_IEEE80211_PERM_ADDR(hw, priv->mac_addr);
7926
7927 hw->extra_tx_headroom = priv->fops->tx_desc_size;
7928 ieee80211_hw_set(hw, SIGNAL_DBM);
7929
7930 /*
7931 * The firmware handles rate control, except for RTL8188EU,
7932 * where we handle the rate control in the driver.
7933 */
7934 ieee80211_hw_set(hw, HAS_RATE_CONTROL);
7935 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
7936 ieee80211_hw_set(hw, AMPDU_AGGREGATION);
7937 ieee80211_hw_set(hw, MFP_CAPABLE);
7938
7939 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
7940
7941 ret = ieee80211_register_hw(priv->hw);
7942 if (ret) {
7943 dev_err(&udev->dev, "%s: Failed to register: %i\n",
7944 __func__, ret);
7945 goto err_set_intfdata;
7946 }
7947
7948 rtl8xxxu_init_led(priv);
7949 rtl8xxxu_debugfs_init(priv);
7950
7951 return 0;
7952
7953 err_set_intfdata:
7954 usb_set_intfdata(interface, NULL);
7955
7956 kfree(priv->fw_data);
7957 mutex_destroy(&priv->usb_buf_mutex);
7958 mutex_destroy(&priv->syson_indirect_access_mutex);
7959 mutex_destroy(&priv->h2c_mutex);
7960
7961 ieee80211_free_hw(hw);
7962
7963 return ret;
7964 }
7965
rtl8xxxu_disconnect(struct usb_interface * interface)7966 static void rtl8xxxu_disconnect(struct usb_interface *interface)
7967 {
7968 struct rtl8xxxu_priv *priv;
7969 struct ieee80211_hw *hw;
7970
7971 hw = usb_get_intfdata(interface);
7972 priv = hw->priv;
7973
7974 rtl8xxxu_deinit_led(priv);
7975
7976 ieee80211_unregister_hw(hw);
7977
7978 priv->fops->power_off(priv);
7979
7980 usb_set_intfdata(interface, NULL);
7981
7982 dev_info(&priv->udev->dev, "disconnecting\n");
7983
7984 kfree(priv->fw_data);
7985 mutex_destroy(&priv->usb_buf_mutex);
7986 mutex_destroy(&priv->syson_indirect_access_mutex);
7987 mutex_destroy(&priv->h2c_mutex);
7988
7989 if (priv->udev->state != USB_STATE_NOTATTACHED) {
7990 dev_info(&priv->udev->dev,
7991 "Device still attached, trying to reset\n");
7992 usb_reset_device(priv->udev);
7993 }
7994 ieee80211_free_hw(hw);
7995 }
7996
7997 static const struct usb_device_id dev_table[] = {
7998 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8724, 0xff, 0xff, 0xff),
7999 .driver_info = (unsigned long)&rtl8723au_fops},
8000 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x1724, 0xff, 0xff, 0xff),
8001 .driver_info = (unsigned long)&rtl8723au_fops},
8002 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x0724, 0xff, 0xff, 0xff),
8003 .driver_info = (unsigned long)&rtl8723au_fops},
8004 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818b, 0xff, 0xff, 0xff),
8005 .driver_info = (unsigned long)&rtl8192eu_fops},
8006 /* TP-Link TL-WN822N v4 */
8007 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0108, 0xff, 0xff, 0xff),
8008 .driver_info = (unsigned long)&rtl8192eu_fops},
8009 /* D-Link DWA-131 rev E1, tested by David Patiño */
8010 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3319, 0xff, 0xff, 0xff),
8011 .driver_info = (unsigned long)&rtl8192eu_fops},
8012 /* Tested by Myckel Habets */
8013 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0109, 0xff, 0xff, 0xff),
8014 .driver_info = (unsigned long)&rtl8192eu_fops},
8015 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xb720, 0xff, 0xff, 0xff),
8016 .driver_info = (unsigned long)&rtl8723bu_fops},
8017 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xa611, 0xff, 0xff, 0xff),
8018 .driver_info = (unsigned long)&rtl8723bu_fops},
8019 /* RTL8188FU */
8020 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xf179, 0xff, 0xff, 0xff),
8021 .driver_info = (unsigned long)&rtl8188fu_fops},
8022 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8179, 0xff, 0xff, 0xff),
8023 .driver_info = (unsigned long)&rtl8188eu_fops},
8024 /* Tested by Hans de Goede - rtl8188etv */
8025 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x0179, 0xff, 0xff, 0xff),
8026 .driver_info = (unsigned long)&rtl8188eu_fops},
8027 /* Sitecom rtl8188eus */
8028 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0076, 0xff, 0xff, 0xff),
8029 .driver_info = (unsigned long)&rtl8188eu_fops},
8030 /* D-Link USB-GO-N150 */
8031 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3311, 0xff, 0xff, 0xff),
8032 .driver_info = (unsigned long)&rtl8188eu_fops},
8033 /* D-Link DWA-125 REV D1 */
8034 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330f, 0xff, 0xff, 0xff),
8035 .driver_info = (unsigned long)&rtl8188eu_fops},
8036 /* D-Link DWA-123 REV D1 */
8037 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3310, 0xff, 0xff, 0xff),
8038 .driver_info = (unsigned long)&rtl8188eu_fops},
8039 /* D-Link DWA-121 rev B1 */
8040 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x331b, 0xff, 0xff, 0xff),
8041 .driver_info = (unsigned long)&rtl8188eu_fops},
8042 /* Abocom - Abocom */
8043 {USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8179, 0xff, 0xff, 0xff),
8044 .driver_info = (unsigned long)&rtl8188eu_fops},
8045 /* Elecom WDC-150SU2M */
8046 {USB_DEVICE_AND_INTERFACE_INFO(0x056e, 0x4008, 0xff, 0xff, 0xff),
8047 .driver_info = (unsigned long)&rtl8188eu_fops},
8048 /* TP-Link TL-WN722N v2 */
8049 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x010c, 0xff, 0xff, 0xff),
8050 .driver_info = (unsigned long)&rtl8188eu_fops},
8051 /* TP-Link TL-WN727N v5.21 */
8052 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0111, 0xff, 0xff, 0xff),
8053 .driver_info = (unsigned long)&rtl8188eu_fops},
8054 /* MERCUSYS MW150US v2 */
8055 {USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0102, 0xff, 0xff, 0xff),
8056 .driver_info = (unsigned long)&rtl8188eu_fops},
8057 /* ASUS USB-N10 Nano B1 */
8058 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x18f0, 0xff, 0xff, 0xff),
8059 .driver_info = (unsigned long)&rtl8188eu_fops},
8060 /* Edimax EW-7811Un V2 */
8061 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xb811, 0xff, 0xff, 0xff),
8062 .driver_info = (unsigned long)&rtl8188eu_fops},
8063 /* Rosewill USB-N150 Nano */
8064 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xffef, 0xff, 0xff, 0xff),
8065 .driver_info = (unsigned long)&rtl8188eu_fops},
8066 /* RTL8710BU aka RTL8188GU (not to be confused with RTL8188GTVU) */
8067 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xb711, 0xff, 0xff, 0xff),
8068 .driver_info = (unsigned long)&rtl8710bu_fops},
8069 /* TOTOLINK N150UA V5 / N150UA-B */
8070 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x2005, 0xff, 0xff, 0xff),
8071 .driver_info = (unsigned long)&rtl8710bu_fops},
8072 /* Comfast CF-826F */
8073 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xf192, 0xff, 0xff, 0xff),
8074 .driver_info = (unsigned long)&rtl8192fu_fops},
8075 /* Asus USB-N13 rev C1 */
8076 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x18f1, 0xff, 0xff, 0xff),
8077 .driver_info = (unsigned long)&rtl8192fu_fops},
8078 /* EDIMAX EW-7722UTn V3 */
8079 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xb722, 0xff, 0xff, 0xff),
8080 .driver_info = (unsigned long)&rtl8192fu_fops},
8081 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x318b, 0xff, 0xff, 0xff),
8082 .driver_info = (unsigned long)&rtl8192fu_fops},
8083 /* TP-Link TL-WN823N V2 */
8084 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0135, 0xff, 0xff, 0xff),
8085 .driver_info = (unsigned long)&rtl8192fu_fops},
8086 /* D-Link AN3U rev. A1 */
8087 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3328, 0xff, 0xff, 0xff),
8088 .driver_info = (unsigned long)&rtl8192fu_fops},
8089 #ifdef CONFIG_RTL8XXXU_UNTESTED
8090 /* Still supported by rtlwifi */
8091 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8176, 0xff, 0xff, 0xff),
8092 .driver_info = (unsigned long)&rtl8192cu_fops},
8093 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8178, 0xff, 0xff, 0xff),
8094 .driver_info = (unsigned long)&rtl8192cu_fops},
8095 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817f, 0xff, 0xff, 0xff),
8096 .driver_info = (unsigned long)&rtl8192cu_fops},
8097 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x819a, 0xff, 0xff, 0xff),
8098 .driver_info = (unsigned long)&rtl8192cu_fops},
8099 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8754, 0xff, 0xff, 0xff),
8100 .driver_info = (unsigned long)&rtl8192cu_fops},
8101 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817c, 0xff, 0xff, 0xff),
8102 .driver_info = (unsigned long)&rtl8192cu_fops},
8103 /* Tested by Larry Finger */
8104 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0x7811, 0xff, 0xff, 0xff),
8105 .driver_info = (unsigned long)&rtl8192cu_fops},
8106 /* Tested by Andrea Merello */
8107 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x1004, 0xff, 0xff, 0xff),
8108 .driver_info = (unsigned long)&rtl8192cu_fops},
8109 /* Tested by Jocelyn Mayer */
8110 {USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0x648b, 0xff, 0xff, 0xff),
8111 .driver_info = (unsigned long)&rtl8192cu_fops},
8112 /* Tested by Stefano Bravi */
8113 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3308, 0xff, 0xff, 0xff),
8114 .driver_info = (unsigned long)&rtl8192cu_fops},
8115 /* Currently untested 8188 series devices */
8116 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x018a, 0xff, 0xff, 0xff),
8117 .driver_info = (unsigned long)&rtl8192cu_fops},
8118 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8191, 0xff, 0xff, 0xff),
8119 .driver_info = (unsigned long)&rtl8192cu_fops},
8120 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8170, 0xff, 0xff, 0xff),
8121 .driver_info = (unsigned long)&rtl8192cu_fops},
8122 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8177, 0xff, 0xff, 0xff),
8123 .driver_info = (unsigned long)&rtl8192cu_fops},
8124 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817a, 0xff, 0xff, 0xff),
8125 .driver_info = (unsigned long)&rtl8192cu_fops},
8126 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817b, 0xff, 0xff, 0xff),
8127 .driver_info = (unsigned long)&rtl8192cu_fops},
8128 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817d, 0xff, 0xff, 0xff),
8129 .driver_info = (unsigned long)&rtl8192cu_fops},
8130 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817e, 0xff, 0xff, 0xff),
8131 .driver_info = (unsigned long)&rtl8192cu_fops},
8132 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8186, 0xff, 0xff, 0xff),
8133 .driver_info = (unsigned long)&rtl8192cu_fops},
8134 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818a, 0xff, 0xff, 0xff),
8135 .driver_info = (unsigned long)&rtl8192cu_fops},
8136 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x317f, 0xff, 0xff, 0xff),
8137 .driver_info = (unsigned long)&rtl8192cu_fops},
8138 {USB_DEVICE_AND_INTERFACE_INFO(0x1058, 0x0631, 0xff, 0xff, 0xff),
8139 .driver_info = (unsigned long)&rtl8192cu_fops},
8140 {USB_DEVICE_AND_INTERFACE_INFO(0x04bb, 0x094c, 0xff, 0xff, 0xff),
8141 .driver_info = (unsigned long)&rtl8192cu_fops},
8142 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x1102, 0xff, 0xff, 0xff),
8143 .driver_info = (unsigned long)&rtl8192cu_fops},
8144 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x11f2, 0xff, 0xff, 0xff),
8145 .driver_info = (unsigned long)&rtl8192cu_fops},
8146 {USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe033, 0xff, 0xff, 0xff),
8147 .driver_info = (unsigned long)&rtl8192cu_fops},
8148 {USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8189, 0xff, 0xff, 0xff),
8149 .driver_info = (unsigned long)&rtl8192cu_fops},
8150 {USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9041, 0xff, 0xff, 0xff),
8151 .driver_info = (unsigned long)&rtl8192cu_fops},
8152 {USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9043, 0xff, 0xff, 0xff),
8153 .driver_info = (unsigned long)&rtl8192cu_fops},
8154 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x17ba, 0xff, 0xff, 0xff),
8155 .driver_info = (unsigned long)&rtl8192cu_fops},
8156 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x1e1e, 0xff, 0xff, 0xff),
8157 .driver_info = (unsigned long)&rtl8192cu_fops},
8158 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x5088, 0xff, 0xff, 0xff),
8159 .driver_info = (unsigned long)&rtl8192cu_fops},
8160 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0052, 0xff, 0xff, 0xff),
8161 .driver_info = (unsigned long)&rtl8192cu_fops},
8162 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x005c, 0xff, 0xff, 0xff),
8163 .driver_info = (unsigned long)&rtl8192cu_fops},
8164 {USB_DEVICE_AND_INTERFACE_INFO(0x0eb0, 0x9071, 0xff, 0xff, 0xff),
8165 .driver_info = (unsigned long)&rtl8192cu_fops},
8166 {USB_DEVICE_AND_INTERFACE_INFO(0x103c, 0x1629, 0xff, 0xff, 0xff),
8167 .driver_info = (unsigned long)&rtl8192cu_fops},
8168 {USB_DEVICE_AND_INTERFACE_INFO(0x13d3, 0x3357, 0xff, 0xff, 0xff),
8169 .driver_info = (unsigned long)&rtl8192cu_fops},
8170 {USB_DEVICE_AND_INTERFACE_INFO(0x13d3, 0x3358, 0xff, 0xff, 0xff),
8171 .driver_info = (unsigned long)&rtl8192cu_fops},
8172 {USB_DEVICE_AND_INTERFACE_INFO(0x13d3, 0x3359, 0xff, 0xff, 0xff),
8173 .driver_info = (unsigned long)&rtl8192cu_fops},
8174 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330b, 0xff, 0xff, 0xff),
8175 .driver_info = (unsigned long)&rtl8192cu_fops},
8176 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0x4902, 0xff, 0xff, 0xff),
8177 .driver_info = (unsigned long)&rtl8192cu_fops},
8178 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2a, 0xff, 0xff, 0xff),
8179 .driver_info = (unsigned long)&rtl8192cu_fops},
8180 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2e, 0xff, 0xff, 0xff),
8181 .driver_info = (unsigned long)&rtl8192cu_fops},
8182 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xed17, 0xff, 0xff, 0xff),
8183 .driver_info = (unsigned long)&rtl8192cu_fops},
8184 {USB_DEVICE_AND_INTERFACE_INFO(0x4855, 0x0090, 0xff, 0xff, 0xff),
8185 .driver_info = (unsigned long)&rtl8192cu_fops},
8186 {USB_DEVICE_AND_INTERFACE_INFO(0x4856, 0x0091, 0xff, 0xff, 0xff),
8187 .driver_info = (unsigned long)&rtl8192cu_fops},
8188 {USB_DEVICE_AND_INTERFACE_INFO(0x9846, 0x9041, 0xff, 0xff, 0xff),
8189 .driver_info = (unsigned long)&rtl8192cu_fops},
8190 {USB_DEVICE_AND_INTERFACE_INFO(0xcdab, 0x8010, 0xff, 0xff, 0xff),
8191 .driver_info = (unsigned long)&rtl8192cu_fops},
8192 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff7, 0xff, 0xff, 0xff),
8193 .driver_info = (unsigned long)&rtl8192cu_fops},
8194 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff9, 0xff, 0xff, 0xff),
8195 .driver_info = (unsigned long)&rtl8192cu_fops},
8196 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffa, 0xff, 0xff, 0xff),
8197 .driver_info = (unsigned long)&rtl8192cu_fops},
8198 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff8, 0xff, 0xff, 0xff),
8199 .driver_info = (unsigned long)&rtl8192cu_fops},
8200 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffb, 0xff, 0xff, 0xff),
8201 .driver_info = (unsigned long)&rtl8192cu_fops},
8202 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffc, 0xff, 0xff, 0xff),
8203 .driver_info = (unsigned long)&rtl8192cu_fops},
8204 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0x1201, 0xff, 0xff, 0xff),
8205 .driver_info = (unsigned long)&rtl8192cu_fops},
8206 /* Currently untested 8192 series devices */
8207 {USB_DEVICE_AND_INTERFACE_INFO(0x04bb, 0x0950, 0xff, 0xff, 0xff),
8208 .driver_info = (unsigned long)&rtl8192cu_fops},
8209 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x2102, 0xff, 0xff, 0xff),
8210 .driver_info = (unsigned long)&rtl8192cu_fops},
8211 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x2103, 0xff, 0xff, 0xff),
8212 .driver_info = (unsigned long)&rtl8192cu_fops},
8213 {USB_DEVICE_AND_INTERFACE_INFO(0x0586, 0x341f, 0xff, 0xff, 0xff),
8214 .driver_info = (unsigned long)&rtl8192cu_fops},
8215 {USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe033, 0xff, 0xff, 0xff),
8216 .driver_info = (unsigned long)&rtl8192cu_fops},
8217 {USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe035, 0xff, 0xff, 0xff),
8218 .driver_info = (unsigned long)&rtl8192cu_fops},
8219 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x17ab, 0xff, 0xff, 0xff),
8220 .driver_info = (unsigned long)&rtl8192cu_fops},
8221 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0061, 0xff, 0xff, 0xff),
8222 .driver_info = (unsigned long)&rtl8192cu_fops},
8223 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0070, 0xff, 0xff, 0xff),
8224 .driver_info = (unsigned long)&rtl8192cu_fops},
8225 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0077, 0xff, 0xff, 0xff),
8226 .driver_info = (unsigned long)&rtl8192cu_fops},
8227 {USB_DEVICE_AND_INTERFACE_INFO(0x0789, 0x016d, 0xff, 0xff, 0xff),
8228 .driver_info = (unsigned long)&rtl8192cu_fops},
8229 {USB_DEVICE_AND_INTERFACE_INFO(0x07aa, 0x0056, 0xff, 0xff, 0xff),
8230 .driver_info = (unsigned long)&rtl8192cu_fops},
8231 {USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8178, 0xff, 0xff, 0xff),
8232 .driver_info = (unsigned long)&rtl8192cu_fops},
8233 {USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9021, 0xff, 0xff, 0xff),
8234 .driver_info = (unsigned long)&rtl8192cu_fops},
8235 {USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0xf001, 0xff, 0xff, 0xff),
8236 .driver_info = (unsigned long)&rtl8192cu_fops},
8237 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x2e2e, 0xff, 0xff, 0xff),
8238 .driver_info = (unsigned long)&rtl8192cu_fops},
8239 {USB_DEVICE_AND_INTERFACE_INFO(0x0e66, 0x0019, 0xff, 0xff, 0xff),
8240 .driver_info = (unsigned long)&rtl8192cu_fops},
8241 {USB_DEVICE_AND_INTERFACE_INFO(0x0e66, 0x0020, 0xff, 0xff, 0xff),
8242 .driver_info = (unsigned long)&rtl8192cu_fops},
8243 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3307, 0xff, 0xff, 0xff),
8244 .driver_info = (unsigned long)&rtl8192cu_fops},
8245 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3309, 0xff, 0xff, 0xff),
8246 .driver_info = (unsigned long)&rtl8192cu_fops},
8247 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330a, 0xff, 0xff, 0xff),
8248 .driver_info = (unsigned long)&rtl8192cu_fops},
8249 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330d, 0xff, 0xff, 0xff),
8250 .driver_info = (unsigned long)&rtl8192cu_fops},
8251 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2b, 0xff, 0xff, 0xff),
8252 .driver_info = (unsigned long)&rtl8192cu_fops},
8253 {USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0x624d, 0xff, 0xff, 0xff),
8254 .driver_info = (unsigned long)&rtl8192cu_fops},
8255 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0100, 0xff, 0xff, 0xff),
8256 .driver_info = (unsigned long)&rtl8192cu_fops},
8257 {USB_DEVICE_AND_INTERFACE_INFO(0x4855, 0x0091, 0xff, 0xff, 0xff),
8258 .driver_info = (unsigned long)&rtl8192cu_fops},
8259 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0x7822, 0xff, 0xff, 0xff),
8260 .driver_info = (unsigned long)&rtl8192cu_fops},
8261 /* found in rtl8192eu vendor driver */
8262 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0107, 0xff, 0xff, 0xff),
8263 .driver_info = (unsigned long)&rtl8192eu_fops},
8264 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab33, 0xff, 0xff, 0xff),
8265 .driver_info = (unsigned long)&rtl8192eu_fops},
8266 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818c, 0xff, 0xff, 0xff),
8267 .driver_info = (unsigned long)&rtl8192eu_fops},
8268 /* D-Link DWA-131 rev C1 */
8269 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3312, 0xff, 0xff, 0xff),
8270 .driver_info = (unsigned long)&rtl8192eu_fops},
8271 /* TP-Link TL-WN8200ND V2 */
8272 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0126, 0xff, 0xff, 0xff),
8273 .driver_info = (unsigned long)&rtl8192eu_fops},
8274 /* Mercusys MW300UM */
8275 {USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0100, 0xff, 0xff, 0xff),
8276 .driver_info = (unsigned long)&rtl8192eu_fops},
8277 /* Mercusys MW300UH */
8278 {USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0104, 0xff, 0xff, 0xff),
8279 .driver_info = (unsigned long)&rtl8192eu_fops},
8280 #endif
8281 { }
8282 };
8283
8284 static struct usb_driver rtl8xxxu_driver = {
8285 .name = DRIVER_NAME,
8286 .probe = rtl8xxxu_probe,
8287 .disconnect = rtl8xxxu_disconnect,
8288 .id_table = dev_table,
8289 .no_dynamic_id = 1,
8290 .disable_hub_initiated_lpm = 1,
8291 };
8292
8293 MODULE_DEVICE_TABLE(usb, dev_table);
8294
8295 module_usb_driver(rtl8xxxu_driver);
8296