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 "regs.h" 18 #include "rtl8xxxu.h" 19 20 #define DRIVER_NAME "rtl8xxxu" 21 22 int rtl8xxxu_debug; 23 static bool rtl8xxxu_ht40_2g; 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/rtl8723bu_bt.bin"); 41 MODULE_FIRMWARE("rtlwifi/rtl8188fufw.bin"); 42 MODULE_FIRMWARE("rtlwifi/rtl8710bufw_SMIC.bin"); 43 MODULE_FIRMWARE("rtlwifi/rtl8710bufw_UMC.bin"); 44 MODULE_FIRMWARE("rtlwifi/rtl8192fufw.bin"); 45 46 module_param_named(debug, rtl8xxxu_debug, int, 0600); 47 MODULE_PARM_DESC(debug, "Set debug mask"); 48 module_param_named(ht40_2g, rtl8xxxu_ht40_2g, bool, 0600); 49 MODULE_PARM_DESC(ht40_2g, "Enable HT40 support on the 2.4GHz band"); 50 module_param_named(dma_aggregation, rtl8xxxu_dma_aggregation, bool, 0600); 51 MODULE_PARM_DESC(dma_aggregation, "Enable DMA packet aggregation"); 52 module_param_named(dma_agg_timeout, rtl8xxxu_dma_agg_timeout, int, 0600); 53 MODULE_PARM_DESC(dma_agg_timeout, "Set DMA aggregation timeout (range 1-127)"); 54 module_param_named(dma_agg_pages, rtl8xxxu_dma_agg_pages, int, 0600); 55 MODULE_PARM_DESC(dma_agg_pages, "Set DMA aggregation pages (range 1-127, 0 to disable)"); 56 57 #define USB_VENDOR_ID_REALTEK 0x0bda 58 #define RTL8XXXU_RX_URBS 32 59 #define RTL8XXXU_RX_URB_PENDING_WATER 8 60 #define RTL8XXXU_TX_URBS 64 61 #define RTL8XXXU_TX_URB_LOW_WATER 25 62 #define RTL8XXXU_TX_URB_HIGH_WATER 32 63 64 static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv, 65 struct rtl8xxxu_rx_urb *rx_urb); 66 67 static struct ieee80211_rate rtl8xxxu_rates[] = { 68 { .bitrate = 10, .hw_value = DESC_RATE_1M, .flags = 0 }, 69 { .bitrate = 20, .hw_value = DESC_RATE_2M, .flags = 0 }, 70 { .bitrate = 55, .hw_value = DESC_RATE_5_5M, .flags = 0 }, 71 { .bitrate = 110, .hw_value = DESC_RATE_11M, .flags = 0 }, 72 { .bitrate = 60, .hw_value = DESC_RATE_6M, .flags = 0 }, 73 { .bitrate = 90, .hw_value = DESC_RATE_9M, .flags = 0 }, 74 { .bitrate = 120, .hw_value = DESC_RATE_12M, .flags = 0 }, 75 { .bitrate = 180, .hw_value = DESC_RATE_18M, .flags = 0 }, 76 { .bitrate = 240, .hw_value = DESC_RATE_24M, .flags = 0 }, 77 { .bitrate = 360, .hw_value = DESC_RATE_36M, .flags = 0 }, 78 { .bitrate = 480, .hw_value = DESC_RATE_48M, .flags = 0 }, 79 { .bitrate = 540, .hw_value = DESC_RATE_54M, .flags = 0 }, 80 }; 81 82 static struct ieee80211_channel rtl8xxxu_channels_2g[] = { 83 { .band = NL80211_BAND_2GHZ, .center_freq = 2412, 84 .hw_value = 1, .max_power = 30 }, 85 { .band = NL80211_BAND_2GHZ, .center_freq = 2417, 86 .hw_value = 2, .max_power = 30 }, 87 { .band = NL80211_BAND_2GHZ, .center_freq = 2422, 88 .hw_value = 3, .max_power = 30 }, 89 { .band = NL80211_BAND_2GHZ, .center_freq = 2427, 90 .hw_value = 4, .max_power = 30 }, 91 { .band = NL80211_BAND_2GHZ, .center_freq = 2432, 92 .hw_value = 5, .max_power = 30 }, 93 { .band = NL80211_BAND_2GHZ, .center_freq = 2437, 94 .hw_value = 6, .max_power = 30 }, 95 { .band = NL80211_BAND_2GHZ, .center_freq = 2442, 96 .hw_value = 7, .max_power = 30 }, 97 { .band = NL80211_BAND_2GHZ, .center_freq = 2447, 98 .hw_value = 8, .max_power = 30 }, 99 { .band = NL80211_BAND_2GHZ, .center_freq = 2452, 100 .hw_value = 9, .max_power = 30 }, 101 { .band = NL80211_BAND_2GHZ, .center_freq = 2457, 102 .hw_value = 10, .max_power = 30 }, 103 { .band = NL80211_BAND_2GHZ, .center_freq = 2462, 104 .hw_value = 11, .max_power = 30 }, 105 { .band = NL80211_BAND_2GHZ, .center_freq = 2467, 106 .hw_value = 12, .max_power = 30 }, 107 { .band = NL80211_BAND_2GHZ, .center_freq = 2472, 108 .hw_value = 13, .max_power = 30 }, 109 { .band = NL80211_BAND_2GHZ, .center_freq = 2484, 110 .hw_value = 14, .max_power = 30 } 111 }; 112 113 static struct ieee80211_supported_band rtl8xxxu_supported_band = { 114 .channels = rtl8xxxu_channels_2g, 115 .n_channels = ARRAY_SIZE(rtl8xxxu_channels_2g), 116 .bitrates = rtl8xxxu_rates, 117 .n_bitrates = ARRAY_SIZE(rtl8xxxu_rates), 118 }; 119 120 static const struct rtl8xxxu_reg32val rtl8723a_phy_1t_init_table[] = { 121 {0x800, 0x80040000}, {0x804, 0x00000003}, 122 {0x808, 0x0000fc00}, {0x80c, 0x0000000a}, 123 {0x810, 0x10001331}, {0x814, 0x020c3d10}, 124 {0x818, 0x02200385}, {0x81c, 0x00000000}, 125 {0x820, 0x01000100}, {0x824, 0x00390004}, 126 {0x828, 0x00000000}, {0x82c, 0x00000000}, 127 {0x830, 0x00000000}, {0x834, 0x00000000}, 128 {0x838, 0x00000000}, {0x83c, 0x00000000}, 129 {0x840, 0x00010000}, {0x844, 0x00000000}, 130 {0x848, 0x00000000}, {0x84c, 0x00000000}, 131 {0x850, 0x00000000}, {0x854, 0x00000000}, 132 {0x858, 0x569a569a}, {0x85c, 0x001b25a4}, 133 {0x860, 0x66f60110}, {0x864, 0x061f0130}, 134 {0x868, 0x00000000}, {0x86c, 0x32323200}, 135 {0x870, 0x07000760}, {0x874, 0x22004000}, 136 {0x878, 0x00000808}, {0x87c, 0x00000000}, 137 {0x880, 0xc0083070}, {0x884, 0x000004d5}, 138 {0x888, 0x00000000}, {0x88c, 0xccc000c0}, 139 {0x890, 0x00000800}, {0x894, 0xfffffffe}, 140 {0x898, 0x40302010}, {0x89c, 0x00706050}, 141 {0x900, 0x00000000}, {0x904, 0x00000023}, 142 {0x908, 0x00000000}, {0x90c, 0x81121111}, 143 {0xa00, 0x00d047c8}, {0xa04, 0x80ff000c}, 144 {0xa08, 0x8c838300}, {0xa0c, 0x2e68120f}, 145 {0xa10, 0x9500bb78}, {0xa14, 0x11144028}, 146 {0xa18, 0x00881117}, {0xa1c, 0x89140f00}, 147 {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317}, 148 {0xa28, 0x00000204}, {0xa2c, 0x00d30000}, 149 {0xa70, 0x101fbf00}, {0xa74, 0x00000007}, 150 {0xa78, 0x00000900}, 151 {0xc00, 0x48071d40}, {0xc04, 0x03a05611}, 152 {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c}, 153 {0xc10, 0x08800000}, {0xc14, 0x40000100}, 154 {0xc18, 0x08800000}, {0xc1c, 0x40000100}, 155 {0xc20, 0x00000000}, {0xc24, 0x00000000}, 156 {0xc28, 0x00000000}, {0xc2c, 0x00000000}, 157 {0xc30, 0x69e9ac44}, {0xc34, 0x469652af}, 158 {0xc38, 0x49795994}, {0xc3c, 0x0a97971c}, 159 {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7}, 160 {0xc48, 0xec020107}, {0xc4c, 0x007f037f}, 161 {0xc50, 0x69543420}, {0xc54, 0x43bc0094}, 162 {0xc58, 0x69543420}, {0xc5c, 0x433c0094}, 163 {0xc60, 0x00000000}, {0xc64, 0x7112848b}, 164 {0xc68, 0x47c00bff}, {0xc6c, 0x00000036}, 165 {0xc70, 0x2c7f000d}, {0xc74, 0x018610db}, 166 {0xc78, 0x0000001f}, {0xc7c, 0x00b91612}, 167 {0xc80, 0x40000100}, {0xc84, 0x20f60000}, 168 {0xc88, 0x40000100}, {0xc8c, 0x20200000}, 169 {0xc90, 0x00121820}, {0xc94, 0x00000000}, 170 {0xc98, 0x00121820}, {0xc9c, 0x00007f7f}, 171 {0xca0, 0x00000000}, {0xca4, 0x00000080}, 172 {0xca8, 0x00000000}, {0xcac, 0x00000000}, 173 {0xcb0, 0x00000000}, {0xcb4, 0x00000000}, 174 {0xcb8, 0x00000000}, {0xcbc, 0x28000000}, 175 {0xcc0, 0x00000000}, {0xcc4, 0x00000000}, 176 {0xcc8, 0x00000000}, {0xccc, 0x00000000}, 177 {0xcd0, 0x00000000}, {0xcd4, 0x00000000}, 178 {0xcd8, 0x64b22427}, {0xcdc, 0x00766932}, 179 {0xce0, 0x00222222}, {0xce4, 0x00000000}, 180 {0xce8, 0x37644302}, {0xcec, 0x2f97d40c}, 181 {0xd00, 0x00080740}, {0xd04, 0x00020401}, 182 {0xd08, 0x0000907f}, {0xd0c, 0x20010201}, 183 {0xd10, 0xa0633333}, {0xd14, 0x3333bc43}, 184 {0xd18, 0x7a8f5b6b}, {0xd2c, 0xcc979975}, 185 {0xd30, 0x00000000}, {0xd34, 0x80608000}, 186 {0xd38, 0x00000000}, {0xd3c, 0x00027293}, 187 {0xd40, 0x00000000}, {0xd44, 0x00000000}, 188 {0xd48, 0x00000000}, {0xd4c, 0x00000000}, 189 {0xd50, 0x6437140a}, {0xd54, 0x00000000}, 190 {0xd58, 0x00000000}, {0xd5c, 0x30032064}, 191 {0xd60, 0x4653de68}, {0xd64, 0x04518a3c}, 192 {0xd68, 0x00002101}, {0xd6c, 0x2a201c16}, 193 {0xd70, 0x1812362e}, {0xd74, 0x322c2220}, 194 {0xd78, 0x000e3c24}, {0xe00, 0x2a2a2a2a}, 195 {0xe04, 0x2a2a2a2a}, {0xe08, 0x03902a2a}, 196 {0xe10, 0x2a2a2a2a}, {0xe14, 0x2a2a2a2a}, 197 {0xe18, 0x2a2a2a2a}, {0xe1c, 0x2a2a2a2a}, 198 {0xe28, 0x00000000}, {0xe30, 0x1000dc1f}, 199 {0xe34, 0x10008c1f}, {0xe38, 0x02140102}, 200 {0xe3c, 0x681604c2}, {0xe40, 0x01007c00}, 201 {0xe44, 0x01004800}, {0xe48, 0xfb000000}, 202 {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f}, 203 {0xe54, 0x10008c1f}, {0xe58, 0x02140102}, 204 {0xe5c, 0x28160d05}, {0xe60, 0x00000008}, 205 {0xe68, 0x001b25a4}, {0xe6c, 0x631b25a0}, 206 {0xe70, 0x631b25a0}, {0xe74, 0x081b25a0}, 207 {0xe78, 0x081b25a0}, {0xe7c, 0x081b25a0}, 208 {0xe80, 0x081b25a0}, {0xe84, 0x631b25a0}, 209 {0xe88, 0x081b25a0}, {0xe8c, 0x631b25a0}, 210 {0xed0, 0x631b25a0}, {0xed4, 0x631b25a0}, 211 {0xed8, 0x631b25a0}, {0xedc, 0x001b25a0}, 212 {0xee0, 0x001b25a0}, {0xeec, 0x6b1b25a0}, 213 {0xf14, 0x00000003}, {0xf4c, 0x00000000}, 214 {0xf00, 0x00000300}, 215 {0xffff, 0xffffffff}, 216 }; 217 218 static const struct rtl8xxxu_reg32val rtl8192cu_phy_2t_init_table[] = { 219 {0x024, 0x0011800f}, {0x028, 0x00ffdb83}, 220 {0x800, 0x80040002}, {0x804, 0x00000003}, 221 {0x808, 0x0000fc00}, {0x80c, 0x0000000a}, 222 {0x810, 0x10000330}, {0x814, 0x020c3d10}, 223 {0x818, 0x02200385}, {0x81c, 0x00000000}, 224 {0x820, 0x01000100}, {0x824, 0x00390004}, 225 {0x828, 0x01000100}, {0x82c, 0x00390004}, 226 {0x830, 0x27272727}, {0x834, 0x27272727}, 227 {0x838, 0x27272727}, {0x83c, 0x27272727}, 228 {0x840, 0x00010000}, {0x844, 0x00010000}, 229 {0x848, 0x27272727}, {0x84c, 0x27272727}, 230 {0x850, 0x00000000}, {0x854, 0x00000000}, 231 {0x858, 0x569a569a}, {0x85c, 0x0c1b25a4}, 232 {0x860, 0x66e60230}, {0x864, 0x061f0130}, 233 {0x868, 0x27272727}, {0x86c, 0x2b2b2b27}, 234 {0x870, 0x07000700}, {0x874, 0x22184000}, 235 {0x878, 0x08080808}, {0x87c, 0x00000000}, 236 {0x880, 0xc0083070}, {0x884, 0x000004d5}, 237 {0x888, 0x00000000}, {0x88c, 0xcc0000c0}, 238 {0x890, 0x00000800}, {0x894, 0xfffffffe}, 239 {0x898, 0x40302010}, {0x89c, 0x00706050}, 240 {0x900, 0x00000000}, {0x904, 0x00000023}, 241 {0x908, 0x00000000}, {0x90c, 0x81121313}, 242 {0xa00, 0x00d047c8}, {0xa04, 0x80ff000c}, 243 {0xa08, 0x8c838300}, {0xa0c, 0x2e68120f}, 244 {0xa10, 0x9500bb78}, {0xa14, 0x11144028}, 245 {0xa18, 0x00881117}, {0xa1c, 0x89140f00}, 246 {0xa20, 0x1a1b0000}, {0xa24, 0x090e1317}, 247 {0xa28, 0x00000204}, {0xa2c, 0x00d30000}, 248 {0xa70, 0x101fbf00}, {0xa74, 0x00000007}, 249 {0xc00, 0x48071d40}, {0xc04, 0x03a05633}, 250 {0xc08, 0x000000e4}, {0xc0c, 0x6c6c6c6c}, 251 {0xc10, 0x08800000}, {0xc14, 0x40000100}, 252 {0xc18, 0x08800000}, {0xc1c, 0x40000100}, 253 {0xc20, 0x00000000}, {0xc24, 0x00000000}, 254 {0xc28, 0x00000000}, {0xc2c, 0x00000000}, 255 {0xc30, 0x69e9ac44}, {0xc34, 0x469652cf}, 256 {0xc38, 0x49795994}, {0xc3c, 0x0a97971c}, 257 {0xc40, 0x1f7c403f}, {0xc44, 0x000100b7}, 258 {0xc48, 0xec020107}, {0xc4c, 0x007f037f}, 259 {0xc50, 0x69543420}, {0xc54, 0x43bc0094}, 260 {0xc58, 0x69543420}, {0xc5c, 0x433c0094}, 261 {0xc60, 0x00000000}, {0xc64, 0x5116848b}, 262 {0xc68, 0x47c00bff}, {0xc6c, 0x00000036}, 263 {0xc70, 0x2c7f000d}, {0xc74, 0x2186115b}, 264 {0xc78, 0x0000001f}, {0xc7c, 0x00b99612}, 265 {0xc80, 0x40000100}, {0xc84, 0x20f60000}, 266 {0xc88, 0x40000100}, {0xc8c, 0xa0e40000}, 267 {0xc90, 0x00121820}, {0xc94, 0x00000000}, 268 {0xc98, 0x00121820}, {0xc9c, 0x00007f7f}, 269 {0xca0, 0x00000000}, {0xca4, 0x00000080}, 270 {0xca8, 0x00000000}, {0xcac, 0x00000000}, 271 {0xcb0, 0x00000000}, {0xcb4, 0x00000000}, 272 {0xcb8, 0x00000000}, {0xcbc, 0x28000000}, 273 {0xcc0, 0x00000000}, {0xcc4, 0x00000000}, 274 {0xcc8, 0x00000000}, {0xccc, 0x00000000}, 275 {0xcd0, 0x00000000}, {0xcd4, 0x00000000}, 276 {0xcd8, 0x64b22427}, {0xcdc, 0x00766932}, 277 {0xce0, 0x00222222}, {0xce4, 0x00000000}, 278 {0xce8, 0x37644302}, {0xcec, 0x2f97d40c}, 279 {0xd00, 0x00080740}, {0xd04, 0x00020403}, 280 {0xd08, 0x0000907f}, {0xd0c, 0x20010201}, 281 {0xd10, 0xa0633333}, {0xd14, 0x3333bc43}, 282 {0xd18, 0x7a8f5b6b}, {0xd2c, 0xcc979975}, 283 {0xd30, 0x00000000}, {0xd34, 0x80608000}, 284 {0xd38, 0x00000000}, {0xd3c, 0x00027293}, 285 {0xd40, 0x00000000}, {0xd44, 0x00000000}, 286 {0xd48, 0x00000000}, {0xd4c, 0x00000000}, 287 {0xd50, 0x6437140a}, {0xd54, 0x00000000}, 288 {0xd58, 0x00000000}, {0xd5c, 0x30032064}, 289 {0xd60, 0x4653de68}, {0xd64, 0x04518a3c}, 290 {0xd68, 0x00002101}, {0xd6c, 0x2a201c16}, 291 {0xd70, 0x1812362e}, {0xd74, 0x322c2220}, 292 {0xd78, 0x000e3c24}, {0xe00, 0x2a2a2a2a}, 293 {0xe04, 0x2a2a2a2a}, {0xe08, 0x03902a2a}, 294 {0xe10, 0x2a2a2a2a}, {0xe14, 0x2a2a2a2a}, 295 {0xe18, 0x2a2a2a2a}, {0xe1c, 0x2a2a2a2a}, 296 {0xe28, 0x00000000}, {0xe30, 0x1000dc1f}, 297 {0xe34, 0x10008c1f}, {0xe38, 0x02140102}, 298 {0xe3c, 0x681604c2}, {0xe40, 0x01007c00}, 299 {0xe44, 0x01004800}, {0xe48, 0xfb000000}, 300 {0xe4c, 0x000028d1}, {0xe50, 0x1000dc1f}, 301 {0xe54, 0x10008c1f}, {0xe58, 0x02140102}, 302 {0xe5c, 0x28160d05}, {0xe60, 0x00000010}, 303 {0xe68, 0x001b25a4}, {0xe6c, 0x63db25a4}, 304 {0xe70, 0x63db25a4}, {0xe74, 0x0c1b25a4}, 305 {0xe78, 0x0c1b25a4}, {0xe7c, 0x0c1b25a4}, 306 {0xe80, 0x0c1b25a4}, {0xe84, 0x63db25a4}, 307 {0xe88, 0x0c1b25a4}, {0xe8c, 0x63db25a4}, 308 {0xed0, 0x63db25a4}, {0xed4, 0x63db25a4}, 309 {0xed8, 0x63db25a4}, {0xedc, 0x001b25a4}, 310 {0xee0, 0x001b25a4}, {0xeec, 0x6fdb25a4}, 311 {0xf14, 0x00000003}, {0xf4c, 0x00000000}, 312 {0xf00, 0x00000300}, 313 {0xffff, 0xffffffff}, 314 }; 315 316 static const struct rtl8xxxu_reg32val rtl8188ru_phy_1t_highpa_table[] = { 317 {0x024, 0x0011800f}, {0x028, 0x00ffdb83}, 318 {0x040, 0x000c0004}, {0x800, 0x80040000}, 319 {0x804, 0x00000001}, {0x808, 0x0000fc00}, 320 {0x80c, 0x0000000a}, {0x810, 0x10005388}, 321 {0x814, 0x020c3d10}, {0x818, 0x02200385}, 322 {0x81c, 0x00000000}, {0x820, 0x01000100}, 323 {0x824, 0x00390204}, {0x828, 0x00000000}, 324 {0x82c, 0x00000000}, {0x830, 0x00000000}, 325 {0x834, 0x00000000}, {0x838, 0x00000000}, 326 {0x83c, 0x00000000}, {0x840, 0x00010000}, 327 {0x844, 0x00000000}, {0x848, 0x00000000}, 328 {0x84c, 0x00000000}, {0x850, 0x00000000}, 329 {0x854, 0x00000000}, {0x858, 0x569a569a}, 330 {0x85c, 0x001b25a4}, {0x860, 0x66e60230}, 331 {0x864, 0x061f0130}, {0x868, 0x00000000}, 332 {0x86c, 0x20202000}, {0x870, 0x03000300}, 333 {0x874, 0x22004000}, {0x878, 0x00000808}, 334 {0x87c, 0x00ffc3f1}, {0x880, 0xc0083070}, 335 {0x884, 0x000004d5}, {0x888, 0x00000000}, 336 {0x88c, 0xccc000c0}, {0x890, 0x00000800}, 337 {0x894, 0xfffffffe}, {0x898, 0x40302010}, 338 {0x89c, 0x00706050}, {0x900, 0x00000000}, 339 {0x904, 0x00000023}, {0x908, 0x00000000}, 340 {0x90c, 0x81121111}, {0xa00, 0x00d047c8}, 341 {0xa04, 0x80ff000c}, {0xa08, 0x8c838300}, 342 {0xa0c, 0x2e68120f}, {0xa10, 0x9500bb78}, 343 {0xa14, 0x11144028}, {0xa18, 0x00881117}, 344 {0xa1c, 0x89140f00}, {0xa20, 0x15160000}, 345 {0xa24, 0x070b0f12}, {0xa28, 0x00000104}, 346 {0xa2c, 0x00d30000}, {0xa70, 0x101fbf00}, 347 {0xa74, 0x00000007}, {0xc00, 0x48071d40}, 348 {0xc04, 0x03a05611}, {0xc08, 0x000000e4}, 349 {0xc0c, 0x6c6c6c6c}, {0xc10, 0x08800000}, 350 {0xc14, 0x40000100}, {0xc18, 0x08800000}, 351 {0xc1c, 0x40000100}, {0xc20, 0x00000000}, 352 {0xc24, 0x00000000}, {0xc28, 0x00000000}, 353 {0xc2c, 0x00000000}, {0xc30, 0x69e9ac44}, 354 {0xc34, 0x469652cf}, {0xc38, 0x49795994}, 355 {0xc3c, 0x0a97971c}, {0xc40, 0x1f7c403f}, 356 {0xc44, 0x000100b7}, {0xc48, 0xec020107}, 357 {0xc4c, 0x007f037f}, {0xc50, 0x6954342e}, 358 {0xc54, 0x43bc0094}, {0xc58, 0x6954342f}, 359 {0xc5c, 0x433c0094}, {0xc60, 0x00000000}, 360 {0xc64, 0x5116848b}, {0xc68, 0x47c00bff}, 361 {0xc6c, 0x00000036}, {0xc70, 0x2c46000d}, 362 {0xc74, 0x018610db}, {0xc78, 0x0000001f}, 363 {0xc7c, 0x00b91612}, {0xc80, 0x24000090}, 364 {0xc84, 0x20f60000}, {0xc88, 0x24000090}, 365 {0xc8c, 0x20200000}, {0xc90, 0x00121820}, 366 {0xc94, 0x00000000}, {0xc98, 0x00121820}, 367 {0xc9c, 0x00007f7f}, {0xca0, 0x00000000}, 368 {0xca4, 0x00000080}, {0xca8, 0x00000000}, 369 {0xcac, 0x00000000}, {0xcb0, 0x00000000}, 370 {0xcb4, 0x00000000}, {0xcb8, 0x00000000}, 371 {0xcbc, 0x28000000}, {0xcc0, 0x00000000}, 372 {0xcc4, 0x00000000}, {0xcc8, 0x00000000}, 373 {0xccc, 0x00000000}, {0xcd0, 0x00000000}, 374 {0xcd4, 0x00000000}, {0xcd8, 0x64b22427}, 375 {0xcdc, 0x00766932}, {0xce0, 0x00222222}, 376 {0xce4, 0x00000000}, {0xce8, 0x37644302}, 377 {0xcec, 0x2f97d40c}, {0xd00, 0x00080740}, 378 {0xd04, 0x00020401}, {0xd08, 0x0000907f}, 379 {0xd0c, 0x20010201}, {0xd10, 0xa0633333}, 380 {0xd14, 0x3333bc43}, {0xd18, 0x7a8f5b6b}, 381 {0xd2c, 0xcc979975}, {0xd30, 0x00000000}, 382 {0xd34, 0x80608000}, {0xd38, 0x00000000}, 383 {0xd3c, 0x00027293}, {0xd40, 0x00000000}, 384 {0xd44, 0x00000000}, {0xd48, 0x00000000}, 385 {0xd4c, 0x00000000}, {0xd50, 0x6437140a}, 386 {0xd54, 0x00000000}, {0xd58, 0x00000000}, 387 {0xd5c, 0x30032064}, {0xd60, 0x4653de68}, 388 {0xd64, 0x04518a3c}, {0xd68, 0x00002101}, 389 {0xd6c, 0x2a201c16}, {0xd70, 0x1812362e}, 390 {0xd74, 0x322c2220}, {0xd78, 0x000e3c24}, 391 {0xe00, 0x24242424}, {0xe04, 0x24242424}, 392 {0xe08, 0x03902024}, {0xe10, 0x24242424}, 393 {0xe14, 0x24242424}, {0xe18, 0x24242424}, 394 {0xe1c, 0x24242424}, {0xe28, 0x00000000}, 395 {0xe30, 0x1000dc1f}, {0xe34, 0x10008c1f}, 396 {0xe38, 0x02140102}, {0xe3c, 0x681604c2}, 397 {0xe40, 0x01007c00}, {0xe44, 0x01004800}, 398 {0xe48, 0xfb000000}, {0xe4c, 0x000028d1}, 399 {0xe50, 0x1000dc1f}, {0xe54, 0x10008c1f}, 400 {0xe58, 0x02140102}, {0xe5c, 0x28160d05}, 401 {0xe60, 0x00000008}, {0xe68, 0x001b25a4}, 402 {0xe6c, 0x631b25a0}, {0xe70, 0x631b25a0}, 403 {0xe74, 0x081b25a0}, {0xe78, 0x081b25a0}, 404 {0xe7c, 0x081b25a0}, {0xe80, 0x081b25a0}, 405 {0xe84, 0x631b25a0}, {0xe88, 0x081b25a0}, 406 {0xe8c, 0x631b25a0}, {0xed0, 0x631b25a0}, 407 {0xed4, 0x631b25a0}, {0xed8, 0x631b25a0}, 408 {0xedc, 0x001b25a0}, {0xee0, 0x001b25a0}, 409 {0xeec, 0x6b1b25a0}, {0xee8, 0x31555448}, 410 {0xf14, 0x00000003}, {0xf4c, 0x00000000}, 411 {0xf00, 0x00000300}, 412 {0xffff, 0xffffffff}, 413 }; 414 415 static const struct rtl8xxxu_reg32val rtl8xxx_agc_standard_table[] = { 416 {0xc78, 0x7b000001}, {0xc78, 0x7b010001}, 417 {0xc78, 0x7b020001}, {0xc78, 0x7b030001}, 418 {0xc78, 0x7b040001}, {0xc78, 0x7b050001}, 419 {0xc78, 0x7a060001}, {0xc78, 0x79070001}, 420 {0xc78, 0x78080001}, {0xc78, 0x77090001}, 421 {0xc78, 0x760a0001}, {0xc78, 0x750b0001}, 422 {0xc78, 0x740c0001}, {0xc78, 0x730d0001}, 423 {0xc78, 0x720e0001}, {0xc78, 0x710f0001}, 424 {0xc78, 0x70100001}, {0xc78, 0x6f110001}, 425 {0xc78, 0x6e120001}, {0xc78, 0x6d130001}, 426 {0xc78, 0x6c140001}, {0xc78, 0x6b150001}, 427 {0xc78, 0x6a160001}, {0xc78, 0x69170001}, 428 {0xc78, 0x68180001}, {0xc78, 0x67190001}, 429 {0xc78, 0x661a0001}, {0xc78, 0x651b0001}, 430 {0xc78, 0x641c0001}, {0xc78, 0x631d0001}, 431 {0xc78, 0x621e0001}, {0xc78, 0x611f0001}, 432 {0xc78, 0x60200001}, {0xc78, 0x49210001}, 433 {0xc78, 0x48220001}, {0xc78, 0x47230001}, 434 {0xc78, 0x46240001}, {0xc78, 0x45250001}, 435 {0xc78, 0x44260001}, {0xc78, 0x43270001}, 436 {0xc78, 0x42280001}, {0xc78, 0x41290001}, 437 {0xc78, 0x402a0001}, {0xc78, 0x262b0001}, 438 {0xc78, 0x252c0001}, {0xc78, 0x242d0001}, 439 {0xc78, 0x232e0001}, {0xc78, 0x222f0001}, 440 {0xc78, 0x21300001}, {0xc78, 0x20310001}, 441 {0xc78, 0x06320001}, {0xc78, 0x05330001}, 442 {0xc78, 0x04340001}, {0xc78, 0x03350001}, 443 {0xc78, 0x02360001}, {0xc78, 0x01370001}, 444 {0xc78, 0x00380001}, {0xc78, 0x00390001}, 445 {0xc78, 0x003a0001}, {0xc78, 0x003b0001}, 446 {0xc78, 0x003c0001}, {0xc78, 0x003d0001}, 447 {0xc78, 0x003e0001}, {0xc78, 0x003f0001}, 448 {0xc78, 0x7b400001}, {0xc78, 0x7b410001}, 449 {0xc78, 0x7b420001}, {0xc78, 0x7b430001}, 450 {0xc78, 0x7b440001}, {0xc78, 0x7b450001}, 451 {0xc78, 0x7a460001}, {0xc78, 0x79470001}, 452 {0xc78, 0x78480001}, {0xc78, 0x77490001}, 453 {0xc78, 0x764a0001}, {0xc78, 0x754b0001}, 454 {0xc78, 0x744c0001}, {0xc78, 0x734d0001}, 455 {0xc78, 0x724e0001}, {0xc78, 0x714f0001}, 456 {0xc78, 0x70500001}, {0xc78, 0x6f510001}, 457 {0xc78, 0x6e520001}, {0xc78, 0x6d530001}, 458 {0xc78, 0x6c540001}, {0xc78, 0x6b550001}, 459 {0xc78, 0x6a560001}, {0xc78, 0x69570001}, 460 {0xc78, 0x68580001}, {0xc78, 0x67590001}, 461 {0xc78, 0x665a0001}, {0xc78, 0x655b0001}, 462 {0xc78, 0x645c0001}, {0xc78, 0x635d0001}, 463 {0xc78, 0x625e0001}, {0xc78, 0x615f0001}, 464 {0xc78, 0x60600001}, {0xc78, 0x49610001}, 465 {0xc78, 0x48620001}, {0xc78, 0x47630001}, 466 {0xc78, 0x46640001}, {0xc78, 0x45650001}, 467 {0xc78, 0x44660001}, {0xc78, 0x43670001}, 468 {0xc78, 0x42680001}, {0xc78, 0x41690001}, 469 {0xc78, 0x406a0001}, {0xc78, 0x266b0001}, 470 {0xc78, 0x256c0001}, {0xc78, 0x246d0001}, 471 {0xc78, 0x236e0001}, {0xc78, 0x226f0001}, 472 {0xc78, 0x21700001}, {0xc78, 0x20710001}, 473 {0xc78, 0x06720001}, {0xc78, 0x05730001}, 474 {0xc78, 0x04740001}, {0xc78, 0x03750001}, 475 {0xc78, 0x02760001}, {0xc78, 0x01770001}, 476 {0xc78, 0x00780001}, {0xc78, 0x00790001}, 477 {0xc78, 0x007a0001}, {0xc78, 0x007b0001}, 478 {0xc78, 0x007c0001}, {0xc78, 0x007d0001}, 479 {0xc78, 0x007e0001}, {0xc78, 0x007f0001}, 480 {0xc78, 0x3800001e}, {0xc78, 0x3801001e}, 481 {0xc78, 0x3802001e}, {0xc78, 0x3803001e}, 482 {0xc78, 0x3804001e}, {0xc78, 0x3805001e}, 483 {0xc78, 0x3806001e}, {0xc78, 0x3807001e}, 484 {0xc78, 0x3808001e}, {0xc78, 0x3c09001e}, 485 {0xc78, 0x3e0a001e}, {0xc78, 0x400b001e}, 486 {0xc78, 0x440c001e}, {0xc78, 0x480d001e}, 487 {0xc78, 0x4c0e001e}, {0xc78, 0x500f001e}, 488 {0xc78, 0x5210001e}, {0xc78, 0x5611001e}, 489 {0xc78, 0x5a12001e}, {0xc78, 0x5e13001e}, 490 {0xc78, 0x6014001e}, {0xc78, 0x6015001e}, 491 {0xc78, 0x6016001e}, {0xc78, 0x6217001e}, 492 {0xc78, 0x6218001e}, {0xc78, 0x6219001e}, 493 {0xc78, 0x621a001e}, {0xc78, 0x621b001e}, 494 {0xc78, 0x621c001e}, {0xc78, 0x621d001e}, 495 {0xc78, 0x621e001e}, {0xc78, 0x621f001e}, 496 {0xffff, 0xffffffff} 497 }; 498 499 static const struct rtl8xxxu_reg32val rtl8xxx_agc_highpa_table[] = { 500 {0xc78, 0x7b000001}, {0xc78, 0x7b010001}, 501 {0xc78, 0x7b020001}, {0xc78, 0x7b030001}, 502 {0xc78, 0x7b040001}, {0xc78, 0x7b050001}, 503 {0xc78, 0x7b060001}, {0xc78, 0x7b070001}, 504 {0xc78, 0x7b080001}, {0xc78, 0x7a090001}, 505 {0xc78, 0x790a0001}, {0xc78, 0x780b0001}, 506 {0xc78, 0x770c0001}, {0xc78, 0x760d0001}, 507 {0xc78, 0x750e0001}, {0xc78, 0x740f0001}, 508 {0xc78, 0x73100001}, {0xc78, 0x72110001}, 509 {0xc78, 0x71120001}, {0xc78, 0x70130001}, 510 {0xc78, 0x6f140001}, {0xc78, 0x6e150001}, 511 {0xc78, 0x6d160001}, {0xc78, 0x6c170001}, 512 {0xc78, 0x6b180001}, {0xc78, 0x6a190001}, 513 {0xc78, 0x691a0001}, {0xc78, 0x681b0001}, 514 {0xc78, 0x671c0001}, {0xc78, 0x661d0001}, 515 {0xc78, 0x651e0001}, {0xc78, 0x641f0001}, 516 {0xc78, 0x63200001}, {0xc78, 0x62210001}, 517 {0xc78, 0x61220001}, {0xc78, 0x60230001}, 518 {0xc78, 0x46240001}, {0xc78, 0x45250001}, 519 {0xc78, 0x44260001}, {0xc78, 0x43270001}, 520 {0xc78, 0x42280001}, {0xc78, 0x41290001}, 521 {0xc78, 0x402a0001}, {0xc78, 0x262b0001}, 522 {0xc78, 0x252c0001}, {0xc78, 0x242d0001}, 523 {0xc78, 0x232e0001}, {0xc78, 0x222f0001}, 524 {0xc78, 0x21300001}, {0xc78, 0x20310001}, 525 {0xc78, 0x06320001}, {0xc78, 0x05330001}, 526 {0xc78, 0x04340001}, {0xc78, 0x03350001}, 527 {0xc78, 0x02360001}, {0xc78, 0x01370001}, 528 {0xc78, 0x00380001}, {0xc78, 0x00390001}, 529 {0xc78, 0x003a0001}, {0xc78, 0x003b0001}, 530 {0xc78, 0x003c0001}, {0xc78, 0x003d0001}, 531 {0xc78, 0x003e0001}, {0xc78, 0x003f0001}, 532 {0xc78, 0x7b400001}, {0xc78, 0x7b410001}, 533 {0xc78, 0x7b420001}, {0xc78, 0x7b430001}, 534 {0xc78, 0x7b440001}, {0xc78, 0x7b450001}, 535 {0xc78, 0x7b460001}, {0xc78, 0x7b470001}, 536 {0xc78, 0x7b480001}, {0xc78, 0x7a490001}, 537 {0xc78, 0x794a0001}, {0xc78, 0x784b0001}, 538 {0xc78, 0x774c0001}, {0xc78, 0x764d0001}, 539 {0xc78, 0x754e0001}, {0xc78, 0x744f0001}, 540 {0xc78, 0x73500001}, {0xc78, 0x72510001}, 541 {0xc78, 0x71520001}, {0xc78, 0x70530001}, 542 {0xc78, 0x6f540001}, {0xc78, 0x6e550001}, 543 {0xc78, 0x6d560001}, {0xc78, 0x6c570001}, 544 {0xc78, 0x6b580001}, {0xc78, 0x6a590001}, 545 {0xc78, 0x695a0001}, {0xc78, 0x685b0001}, 546 {0xc78, 0x675c0001}, {0xc78, 0x665d0001}, 547 {0xc78, 0x655e0001}, {0xc78, 0x645f0001}, 548 {0xc78, 0x63600001}, {0xc78, 0x62610001}, 549 {0xc78, 0x61620001}, {0xc78, 0x60630001}, 550 {0xc78, 0x46640001}, {0xc78, 0x45650001}, 551 {0xc78, 0x44660001}, {0xc78, 0x43670001}, 552 {0xc78, 0x42680001}, {0xc78, 0x41690001}, 553 {0xc78, 0x406a0001}, {0xc78, 0x266b0001}, 554 {0xc78, 0x256c0001}, {0xc78, 0x246d0001}, 555 {0xc78, 0x236e0001}, {0xc78, 0x226f0001}, 556 {0xc78, 0x21700001}, {0xc78, 0x20710001}, 557 {0xc78, 0x06720001}, {0xc78, 0x05730001}, 558 {0xc78, 0x04740001}, {0xc78, 0x03750001}, 559 {0xc78, 0x02760001}, {0xc78, 0x01770001}, 560 {0xc78, 0x00780001}, {0xc78, 0x00790001}, 561 {0xc78, 0x007a0001}, {0xc78, 0x007b0001}, 562 {0xc78, 0x007c0001}, {0xc78, 0x007d0001}, 563 {0xc78, 0x007e0001}, {0xc78, 0x007f0001}, 564 {0xc78, 0x3800001e}, {0xc78, 0x3801001e}, 565 {0xc78, 0x3802001e}, {0xc78, 0x3803001e}, 566 {0xc78, 0x3804001e}, {0xc78, 0x3805001e}, 567 {0xc78, 0x3806001e}, {0xc78, 0x3807001e}, 568 {0xc78, 0x3808001e}, {0xc78, 0x3c09001e}, 569 {0xc78, 0x3e0a001e}, {0xc78, 0x400b001e}, 570 {0xc78, 0x440c001e}, {0xc78, 0x480d001e}, 571 {0xc78, 0x4c0e001e}, {0xc78, 0x500f001e}, 572 {0xc78, 0x5210001e}, {0xc78, 0x5611001e}, 573 {0xc78, 0x5a12001e}, {0xc78, 0x5e13001e}, 574 {0xc78, 0x6014001e}, {0xc78, 0x6015001e}, 575 {0xc78, 0x6016001e}, {0xc78, 0x6217001e}, 576 {0xc78, 0x6218001e}, {0xc78, 0x6219001e}, 577 {0xc78, 0x621a001e}, {0xc78, 0x621b001e}, 578 {0xc78, 0x621c001e}, {0xc78, 0x621d001e}, 579 {0xc78, 0x621e001e}, {0xc78, 0x621f001e}, 580 {0xffff, 0xffffffff} 581 }; 582 583 static const struct rtl8xxxu_rfregs rtl8xxxu_rfregs[] = { 584 { /* RF_A */ 585 .hssiparm1 = REG_FPGA0_XA_HSSI_PARM1, 586 .hssiparm2 = REG_FPGA0_XA_HSSI_PARM2, 587 .lssiparm = REG_FPGA0_XA_LSSI_PARM, 588 .hspiread = REG_HSPI_XA_READBACK, 589 .lssiread = REG_FPGA0_XA_LSSI_READBACK, 590 .rf_sw_ctrl = REG_FPGA0_XA_RF_SW_CTRL, 591 }, 592 { /* RF_B */ 593 .hssiparm1 = REG_FPGA0_XB_HSSI_PARM1, 594 .hssiparm2 = REG_FPGA0_XB_HSSI_PARM2, 595 .lssiparm = REG_FPGA0_XB_LSSI_PARM, 596 .hspiread = REG_HSPI_XB_READBACK, 597 .lssiread = REG_FPGA0_XB_LSSI_READBACK, 598 .rf_sw_ctrl = REG_FPGA0_XB_RF_SW_CTRL, 599 }, 600 }; 601 602 const u32 rtl8xxxu_iqk_phy_iq_bb_reg[RTL8XXXU_BB_REGS] = { 603 REG_OFDM0_XA_RX_IQ_IMBALANCE, 604 REG_OFDM0_XB_RX_IQ_IMBALANCE, 605 REG_OFDM0_ENERGY_CCA_THRES, 606 REG_OFDM0_AGC_RSSI_TABLE, 607 REG_OFDM0_XA_TX_IQ_IMBALANCE, 608 REG_OFDM0_XB_TX_IQ_IMBALANCE, 609 REG_OFDM0_XC_TX_AFE, 610 REG_OFDM0_XD_TX_AFE, 611 REG_OFDM0_RX_IQ_EXT_ANTA 612 }; 613 614 u8 rtl8xxxu_read8(struct rtl8xxxu_priv *priv, u16 addr) 615 { 616 struct usb_device *udev = priv->udev; 617 int len; 618 u8 data; 619 620 if (priv->rtl_chip == RTL8710B && addr <= 0xff) 621 addr |= 0x8000; 622 623 mutex_lock(&priv->usb_buf_mutex); 624 len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 625 REALTEK_USB_CMD_REQ, REALTEK_USB_READ, 626 addr, 0, &priv->usb_buf.val8, sizeof(u8), 627 RTW_USB_CONTROL_MSG_TIMEOUT); 628 data = priv->usb_buf.val8; 629 mutex_unlock(&priv->usb_buf_mutex); 630 631 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_READ) 632 dev_info(&udev->dev, "%s(%04x) = 0x%02x, len %i\n", 633 __func__, addr, data, len); 634 return data; 635 } 636 637 u16 rtl8xxxu_read16(struct rtl8xxxu_priv *priv, u16 addr) 638 { 639 struct usb_device *udev = priv->udev; 640 int len; 641 u16 data; 642 643 if (priv->rtl_chip == RTL8710B && addr <= 0xff) 644 addr |= 0x8000; 645 646 mutex_lock(&priv->usb_buf_mutex); 647 len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 648 REALTEK_USB_CMD_REQ, REALTEK_USB_READ, 649 addr, 0, &priv->usb_buf.val16, sizeof(u16), 650 RTW_USB_CONTROL_MSG_TIMEOUT); 651 data = le16_to_cpu(priv->usb_buf.val16); 652 mutex_unlock(&priv->usb_buf_mutex); 653 654 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_READ) 655 dev_info(&udev->dev, "%s(%04x) = 0x%04x, len %i\n", 656 __func__, addr, data, len); 657 return data; 658 } 659 660 u32 rtl8xxxu_read32(struct rtl8xxxu_priv *priv, u16 addr) 661 { 662 struct usb_device *udev = priv->udev; 663 int len; 664 u32 data; 665 666 if (priv->rtl_chip == RTL8710B && addr <= 0xff) 667 addr |= 0x8000; 668 669 mutex_lock(&priv->usb_buf_mutex); 670 len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 671 REALTEK_USB_CMD_REQ, REALTEK_USB_READ, 672 addr, 0, &priv->usb_buf.val32, sizeof(u32), 673 RTW_USB_CONTROL_MSG_TIMEOUT); 674 data = le32_to_cpu(priv->usb_buf.val32); 675 mutex_unlock(&priv->usb_buf_mutex); 676 677 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_READ) 678 dev_info(&udev->dev, "%s(%04x) = 0x%08x, len %i\n", 679 __func__, addr, data, len); 680 return data; 681 } 682 683 int rtl8xxxu_write8(struct rtl8xxxu_priv *priv, u16 addr, u8 val) 684 { 685 struct usb_device *udev = priv->udev; 686 int ret; 687 688 if (priv->rtl_chip == RTL8710B && addr <= 0xff) 689 addr |= 0x8000; 690 691 mutex_lock(&priv->usb_buf_mutex); 692 priv->usb_buf.val8 = val; 693 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 694 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, 695 addr, 0, &priv->usb_buf.val8, sizeof(u8), 696 RTW_USB_CONTROL_MSG_TIMEOUT); 697 698 mutex_unlock(&priv->usb_buf_mutex); 699 700 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE) 701 dev_info(&udev->dev, "%s(%04x) = 0x%02x\n", 702 __func__, addr, val); 703 return ret; 704 } 705 706 int rtl8xxxu_write16(struct rtl8xxxu_priv *priv, u16 addr, u16 val) 707 { 708 struct usb_device *udev = priv->udev; 709 int ret; 710 711 if (priv->rtl_chip == RTL8710B && addr <= 0xff) 712 addr |= 0x8000; 713 714 mutex_lock(&priv->usb_buf_mutex); 715 priv->usb_buf.val16 = cpu_to_le16(val); 716 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 717 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, 718 addr, 0, &priv->usb_buf.val16, sizeof(u16), 719 RTW_USB_CONTROL_MSG_TIMEOUT); 720 mutex_unlock(&priv->usb_buf_mutex); 721 722 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE) 723 dev_info(&udev->dev, "%s(%04x) = 0x%04x\n", 724 __func__, addr, val); 725 return ret; 726 } 727 728 int rtl8xxxu_write32(struct rtl8xxxu_priv *priv, u16 addr, u32 val) 729 { 730 struct usb_device *udev = priv->udev; 731 int ret; 732 733 if (priv->rtl_chip == RTL8710B && addr <= 0xff) 734 addr |= 0x8000; 735 736 mutex_lock(&priv->usb_buf_mutex); 737 priv->usb_buf.val32 = cpu_to_le32(val); 738 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 739 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, 740 addr, 0, &priv->usb_buf.val32, sizeof(u32), 741 RTW_USB_CONTROL_MSG_TIMEOUT); 742 mutex_unlock(&priv->usb_buf_mutex); 743 744 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE) 745 dev_info(&udev->dev, "%s(%04x) = 0x%08x\n", 746 __func__, addr, val); 747 return ret; 748 } 749 750 int rtl8xxxu_write8_set(struct rtl8xxxu_priv *priv, u16 addr, u8 bits) 751 { 752 u8 val8; 753 754 val8 = rtl8xxxu_read8(priv, addr); 755 val8 |= bits; 756 return rtl8xxxu_write8(priv, addr, val8); 757 } 758 759 int rtl8xxxu_write8_clear(struct rtl8xxxu_priv *priv, u16 addr, u8 bits) 760 { 761 u8 val8; 762 763 val8 = rtl8xxxu_read8(priv, addr); 764 val8 &= ~bits; 765 return rtl8xxxu_write8(priv, addr, val8); 766 } 767 768 int rtl8xxxu_write16_set(struct rtl8xxxu_priv *priv, u16 addr, u16 bits) 769 { 770 u16 val16; 771 772 val16 = rtl8xxxu_read16(priv, addr); 773 val16 |= bits; 774 return rtl8xxxu_write16(priv, addr, val16); 775 } 776 777 int rtl8xxxu_write16_clear(struct rtl8xxxu_priv *priv, u16 addr, u16 bits) 778 { 779 u16 val16; 780 781 val16 = rtl8xxxu_read16(priv, addr); 782 val16 &= ~bits; 783 return rtl8xxxu_write16(priv, addr, val16); 784 } 785 786 int rtl8xxxu_write32_set(struct rtl8xxxu_priv *priv, u16 addr, u32 bits) 787 { 788 u32 val32; 789 790 val32 = rtl8xxxu_read32(priv, addr); 791 val32 |= bits; 792 return rtl8xxxu_write32(priv, addr, val32); 793 } 794 795 int rtl8xxxu_write32_clear(struct rtl8xxxu_priv *priv, u16 addr, u32 bits) 796 { 797 u32 val32; 798 799 val32 = rtl8xxxu_read32(priv, addr); 800 val32 &= ~bits; 801 return rtl8xxxu_write32(priv, addr, val32); 802 } 803 804 int rtl8xxxu_write32_mask(struct rtl8xxxu_priv *priv, u16 addr, 805 u32 mask, u32 val) 806 { 807 u32 orig, new, shift; 808 809 shift = __ffs(mask); 810 811 orig = rtl8xxxu_read32(priv, addr); 812 new = (orig & ~mask) | ((val << shift) & mask); 813 return rtl8xxxu_write32(priv, addr, new); 814 } 815 816 int rtl8xxxu_write_rfreg_mask(struct rtl8xxxu_priv *priv, 817 enum rtl8xxxu_rfpath path, u8 reg, 818 u32 mask, u32 val) 819 { 820 u32 orig, new, shift; 821 822 shift = __ffs(mask); 823 824 orig = rtl8xxxu_read_rfreg(priv, path, reg); 825 new = (orig & ~mask) | ((val << shift) & mask); 826 return rtl8xxxu_write_rfreg(priv, path, reg, new); 827 } 828 829 static int 830 rtl8xxxu_writeN(struct rtl8xxxu_priv *priv, u16 addr, u8 *buf, u16 len) 831 { 832 struct usb_device *udev = priv->udev; 833 int blocksize = priv->fops->writeN_block_size; 834 int ret, i, count, remainder; 835 836 count = len / blocksize; 837 remainder = len % blocksize; 838 839 for (i = 0; i < count; i++) { 840 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 841 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, 842 addr, 0, buf, blocksize, 843 RTW_USB_CONTROL_MSG_TIMEOUT); 844 if (ret != blocksize) 845 goto write_error; 846 847 addr += blocksize; 848 buf += blocksize; 849 } 850 851 if (remainder) { 852 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 853 REALTEK_USB_CMD_REQ, REALTEK_USB_WRITE, 854 addr, 0, buf, remainder, 855 RTW_USB_CONTROL_MSG_TIMEOUT); 856 if (ret != remainder) 857 goto write_error; 858 } 859 860 return len; 861 862 write_error: 863 dev_info(&udev->dev, 864 "%s: Failed to write block at addr: %04x size: %04x\n", 865 __func__, addr, blocksize); 866 return -EAGAIN; 867 } 868 869 u32 rtl8xxxu_read_rfreg(struct rtl8xxxu_priv *priv, 870 enum rtl8xxxu_rfpath path, u8 reg) 871 { 872 u32 hssia, val32, retval; 873 874 hssia = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM2); 875 if (path != RF_A) 876 val32 = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hssiparm2); 877 else 878 val32 = hssia; 879 880 val32 &= ~FPGA0_HSSI_PARM2_ADDR_MASK; 881 val32 |= (reg << FPGA0_HSSI_PARM2_ADDR_SHIFT); 882 val32 |= FPGA0_HSSI_PARM2_EDGE_READ; 883 hssia &= ~FPGA0_HSSI_PARM2_EDGE_READ; 884 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM2, hssia); 885 886 udelay(10); 887 888 rtl8xxxu_write32(priv, rtl8xxxu_rfregs[path].hssiparm2, val32); 889 udelay(100); 890 891 hssia |= FPGA0_HSSI_PARM2_EDGE_READ; 892 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM2, hssia); 893 udelay(10); 894 895 val32 = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hssiparm1); 896 if (val32 & FPGA0_HSSI_PARM1_PI) 897 retval = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hspiread); 898 else 899 retval = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].lssiread); 900 901 retval &= 0xfffff; 902 903 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_RFREG_READ) 904 dev_info(&priv->udev->dev, "%s(%02x) = 0x%06x\n", 905 __func__, reg, retval); 906 return retval; 907 } 908 909 /* 910 * The RTL8723BU driver indicates that registers 0xb2 and 0xb6 can 911 * have write issues in high temperature conditions. We may have to 912 * retry writing them. 913 */ 914 int rtl8xxxu_write_rfreg(struct rtl8xxxu_priv *priv, 915 enum rtl8xxxu_rfpath path, u8 reg, u32 data) 916 { 917 int ret, retval; 918 u32 dataaddr, val32; 919 920 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_RFREG_WRITE) 921 dev_info(&priv->udev->dev, "%s(%02x) = 0x%06x\n", 922 __func__, reg, data); 923 924 data &= FPGA0_LSSI_PARM_DATA_MASK; 925 dataaddr = (reg << FPGA0_LSSI_PARM_ADDR_SHIFT) | data; 926 927 if (priv->rtl_chip == RTL8192E) { 928 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); 929 val32 &= ~0x20000; 930 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); 931 } 932 933 /* Use XB for path B */ 934 ret = rtl8xxxu_write32(priv, rtl8xxxu_rfregs[path].lssiparm, dataaddr); 935 if (ret != sizeof(dataaddr)) 936 retval = -EIO; 937 else 938 retval = 0; 939 940 udelay(1); 941 942 if (priv->rtl_chip == RTL8192E) { 943 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); 944 val32 |= 0x20000; 945 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); 946 } 947 948 return retval; 949 } 950 951 static int 952 rtl8xxxu_gen1_h2c_cmd(struct rtl8xxxu_priv *priv, struct h2c_cmd *h2c, int len) 953 { 954 struct device *dev = &priv->udev->dev; 955 int mbox_nr, retry, retval = 0; 956 int mbox_reg, mbox_ext_reg; 957 u8 val8; 958 959 mutex_lock(&priv->h2c_mutex); 960 961 mbox_nr = priv->next_mbox; 962 mbox_reg = REG_HMBOX_0 + (mbox_nr * 4); 963 mbox_ext_reg = REG_HMBOX_EXT_0 + (mbox_nr * 2); 964 965 /* 966 * MBOX ready? 967 */ 968 retry = 100; 969 do { 970 val8 = rtl8xxxu_read8(priv, REG_HMTFR); 971 if (!(val8 & BIT(mbox_nr))) 972 break; 973 } while (retry--); 974 975 if (!retry) { 976 dev_info(dev, "%s: Mailbox busy\n", __func__); 977 retval = -EBUSY; 978 goto error; 979 } 980 981 /* 982 * Need to swap as it's being swapped again by rtl8xxxu_write16/32() 983 */ 984 if (len > sizeof(u32)) { 985 rtl8xxxu_write16(priv, mbox_ext_reg, le16_to_cpu(h2c->raw.ext)); 986 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) 987 dev_info(dev, "H2C_EXT %04x\n", 988 le16_to_cpu(h2c->raw.ext)); 989 } 990 rtl8xxxu_write32(priv, mbox_reg, le32_to_cpu(h2c->raw.data)); 991 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) 992 dev_info(dev, "H2C %08x\n", le32_to_cpu(h2c->raw.data)); 993 994 priv->next_mbox = (mbox_nr + 1) % H2C_MAX_MBOX; 995 996 error: 997 mutex_unlock(&priv->h2c_mutex); 998 return retval; 999 } 1000 1001 int 1002 rtl8xxxu_gen2_h2c_cmd(struct rtl8xxxu_priv *priv, struct h2c_cmd *h2c, int len) 1003 { 1004 struct device *dev = &priv->udev->dev; 1005 int mbox_nr, retry, retval = 0; 1006 int mbox_reg, mbox_ext_reg; 1007 u8 val8; 1008 1009 mutex_lock(&priv->h2c_mutex); 1010 1011 mbox_nr = priv->next_mbox; 1012 mbox_reg = REG_HMBOX_0 + (mbox_nr * 4); 1013 mbox_ext_reg = REG_HMBOX_EXT0_8723B + (mbox_nr * 4); 1014 1015 /* 1016 * MBOX ready? 1017 */ 1018 retry = 100; 1019 do { 1020 val8 = rtl8xxxu_read8(priv, REG_HMTFR); 1021 if (!(val8 & BIT(mbox_nr))) 1022 break; 1023 } while (retry--); 1024 1025 if (!retry) { 1026 dev_info(dev, "%s: Mailbox busy\n", __func__); 1027 retval = -EBUSY; 1028 goto error; 1029 } 1030 1031 /* 1032 * Need to swap as it's being swapped again by rtl8xxxu_write16/32() 1033 */ 1034 if (len > sizeof(u32)) { 1035 rtl8xxxu_write32(priv, mbox_ext_reg, 1036 le32_to_cpu(h2c->raw_wide.ext)); 1037 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) 1038 dev_info(dev, "H2C_EXT %08x\n", 1039 le32_to_cpu(h2c->raw_wide.ext)); 1040 } 1041 rtl8xxxu_write32(priv, mbox_reg, le32_to_cpu(h2c->raw.data)); 1042 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) 1043 dev_info(dev, "H2C %08x\n", le32_to_cpu(h2c->raw.data)); 1044 1045 priv->next_mbox = (mbox_nr + 1) % H2C_MAX_MBOX; 1046 1047 error: 1048 mutex_unlock(&priv->h2c_mutex); 1049 return retval; 1050 } 1051 1052 void rtl8xxxu_gen1_enable_rf(struct rtl8xxxu_priv *priv) 1053 { 1054 u8 val8; 1055 u32 val32; 1056 1057 val8 = rtl8xxxu_read8(priv, REG_SPS0_CTRL); 1058 val8 |= BIT(0) | BIT(3); 1059 rtl8xxxu_write8(priv, REG_SPS0_CTRL, val8); 1060 1061 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_PARM); 1062 val32 &= ~(BIT(4) | BIT(5)); 1063 val32 |= BIT(3); 1064 if (priv->rf_paths == 2) { 1065 val32 &= ~(BIT(20) | BIT(21)); 1066 val32 |= BIT(19); 1067 } 1068 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_PARM, val32); 1069 1070 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); 1071 val32 &= ~OFDM_RF_PATH_TX_MASK; 1072 if (priv->tx_paths == 2) 1073 val32 |= OFDM_RF_PATH_TX_A | OFDM_RF_PATH_TX_B; 1074 else if (priv->rtl_chip == RTL8192C || priv->rtl_chip == RTL8191C) 1075 val32 |= OFDM_RF_PATH_TX_B; 1076 else 1077 val32 |= OFDM_RF_PATH_TX_A; 1078 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); 1079 1080 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1081 val32 &= ~FPGA_RF_MODE_JAPAN; 1082 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1083 1084 if (priv->rf_paths == 2) 1085 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x63db25a0); 1086 else 1087 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x631b25a0); 1088 1089 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x32d95); 1090 if (priv->rf_paths == 2) 1091 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 0x32d95); 1092 1093 rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00); 1094 } 1095 1096 void rtl8xxxu_gen1_disable_rf(struct rtl8xxxu_priv *priv) 1097 { 1098 u8 sps0; 1099 u32 val32; 1100 1101 sps0 = rtl8xxxu_read8(priv, REG_SPS0_CTRL); 1102 1103 /* RF RX code for preamble power saving */ 1104 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_PARM); 1105 val32 &= ~(BIT(3) | BIT(4) | BIT(5)); 1106 if (priv->rf_paths == 2) 1107 val32 &= ~(BIT(19) | BIT(20) | BIT(21)); 1108 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_PARM, val32); 1109 1110 /* Disable TX for four paths */ 1111 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); 1112 val32 &= ~OFDM_RF_PATH_TX_MASK; 1113 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); 1114 1115 /* Enable power saving */ 1116 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1117 val32 |= FPGA_RF_MODE_JAPAN; 1118 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1119 1120 /* AFE control register to power down bits [30:22] */ 1121 if (priv->rf_paths == 2) 1122 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x00db25a0); 1123 else 1124 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x001b25a0); 1125 1126 /* Power down RF module */ 1127 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0); 1128 if (priv->rf_paths == 2) 1129 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 0); 1130 1131 sps0 &= ~(BIT(0) | BIT(3)); 1132 rtl8xxxu_write8(priv, REG_SPS0_CTRL, sps0); 1133 } 1134 1135 static void rtl8xxxu_stop_tx_beacon(struct rtl8xxxu_priv *priv) 1136 { 1137 u8 val8; 1138 1139 val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL + 2); 1140 val8 &= ~BIT(6); 1141 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL + 2, val8); 1142 1143 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 1, 0x64); 1144 val8 = rtl8xxxu_read8(priv, REG_TBTT_PROHIBIT + 2); 1145 val8 &= ~BIT(0); 1146 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 2, val8); 1147 } 1148 1149 static void rtl8xxxu_start_tx_beacon(struct rtl8xxxu_priv *priv) 1150 { 1151 u8 val8; 1152 1153 val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL + 2); 1154 val8 |= EN_BCNQ_DL >> 16; 1155 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL + 2, val8); 1156 1157 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 1, 0x80); 1158 val8 = rtl8xxxu_read8(priv, REG_TBTT_PROHIBIT + 2); 1159 val8 &= 0xF0; 1160 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 2, val8); 1161 } 1162 1163 1164 /* 1165 * The rtl8723a has 3 channel groups for it's efuse settings. It only 1166 * supports the 2.4GHz band, so channels 1 - 14: 1167 * group 0: channels 1 - 3 1168 * group 1: channels 4 - 9 1169 * group 2: channels 10 - 14 1170 * 1171 * Note: We index from 0 in the code 1172 */ 1173 static int rtl8xxxu_gen1_channel_to_group(int channel) 1174 { 1175 int group; 1176 1177 if (channel < 4) 1178 group = 0; 1179 else if (channel < 10) 1180 group = 1; 1181 else 1182 group = 2; 1183 1184 return group; 1185 } 1186 1187 /* 1188 * Valid for rtl8723bu and rtl8192eu 1189 */ 1190 int rtl8xxxu_gen2_channel_to_group(int channel) 1191 { 1192 int group; 1193 1194 if (channel < 3) 1195 group = 0; 1196 else if (channel < 6) 1197 group = 1; 1198 else if (channel < 9) 1199 group = 2; 1200 else if (channel < 12) 1201 group = 3; 1202 else 1203 group = 4; 1204 1205 return group; 1206 } 1207 1208 void rtl8xxxu_gen1_config_channel(struct ieee80211_hw *hw) 1209 { 1210 struct rtl8xxxu_priv *priv = hw->priv; 1211 u32 val32, rsr; 1212 u8 val8, opmode; 1213 bool ht = true; 1214 int sec_ch_above, channel; 1215 int i; 1216 1217 opmode = rtl8xxxu_read8(priv, REG_BW_OPMODE); 1218 rsr = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); 1219 channel = hw->conf.chandef.chan->hw_value; 1220 1221 switch (hw->conf.chandef.width) { 1222 case NL80211_CHAN_WIDTH_20_NOHT: 1223 ht = false; 1224 fallthrough; 1225 case NL80211_CHAN_WIDTH_20: 1226 opmode |= BW_OPMODE_20MHZ; 1227 rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode); 1228 1229 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1230 val32 &= ~FPGA_RF_MODE; 1231 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1232 1233 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); 1234 val32 &= ~FPGA_RF_MODE; 1235 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); 1236 1237 val32 = rtl8xxxu_read32(priv, REG_FPGA0_ANALOG2); 1238 val32 |= FPGA0_ANALOG2_20MHZ; 1239 rtl8xxxu_write32(priv, REG_FPGA0_ANALOG2, val32); 1240 break; 1241 case NL80211_CHAN_WIDTH_40: 1242 if (hw->conf.chandef.center_freq1 > 1243 hw->conf.chandef.chan->center_freq) { 1244 sec_ch_above = 1; 1245 channel += 2; 1246 } else { 1247 sec_ch_above = 0; 1248 channel -= 2; 1249 } 1250 1251 opmode &= ~BW_OPMODE_20MHZ; 1252 rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode); 1253 rsr &= ~RSR_RSC_BANDWIDTH_40M; 1254 if (sec_ch_above) 1255 rsr |= RSR_RSC_UPPER_SUB_CHANNEL; 1256 else 1257 rsr |= RSR_RSC_LOWER_SUB_CHANNEL; 1258 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, rsr); 1259 1260 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1261 val32 |= FPGA_RF_MODE; 1262 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1263 1264 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); 1265 val32 |= FPGA_RF_MODE; 1266 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); 1267 1268 /* 1269 * Set Control channel to upper or lower. These settings 1270 * are required only for 40MHz 1271 */ 1272 val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM); 1273 val32 &= ~CCK0_SIDEBAND; 1274 if (!sec_ch_above) 1275 val32 |= CCK0_SIDEBAND; 1276 rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32); 1277 1278 val32 = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); 1279 val32 &= ~OFDM_LSTF_PRIME_CH_MASK; /* 0xc00 */ 1280 if (sec_ch_above) 1281 val32 |= OFDM_LSTF_PRIME_CH_LOW; 1282 else 1283 val32 |= OFDM_LSTF_PRIME_CH_HIGH; 1284 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); 1285 1286 val32 = rtl8xxxu_read32(priv, REG_FPGA0_ANALOG2); 1287 val32 &= ~FPGA0_ANALOG2_20MHZ; 1288 rtl8xxxu_write32(priv, REG_FPGA0_ANALOG2, val32); 1289 1290 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); 1291 val32 &= ~(FPGA0_PS_LOWER_CHANNEL | FPGA0_PS_UPPER_CHANNEL); 1292 if (sec_ch_above) 1293 val32 |= FPGA0_PS_UPPER_CHANNEL; 1294 else 1295 val32 |= FPGA0_PS_LOWER_CHANNEL; 1296 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); 1297 break; 1298 1299 default: 1300 break; 1301 } 1302 1303 for (i = RF_A; i < priv->rf_paths; i++) { 1304 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); 1305 val32 &= ~MODE_AG_CHANNEL_MASK; 1306 val32 |= channel; 1307 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); 1308 } 1309 1310 if (ht) 1311 val8 = 0x0e; 1312 else 1313 val8 = 0x0a; 1314 1315 rtl8xxxu_write8(priv, REG_SIFS_CCK + 1, val8); 1316 rtl8xxxu_write8(priv, REG_SIFS_OFDM + 1, val8); 1317 1318 rtl8xxxu_write16(priv, REG_R2T_SIFS, 0x0808); 1319 rtl8xxxu_write16(priv, REG_T2T_SIFS, 0x0a0a); 1320 1321 for (i = RF_A; i < priv->rf_paths; i++) { 1322 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); 1323 if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) 1324 val32 &= ~MODE_AG_CHANNEL_20MHZ; 1325 else 1326 val32 |= MODE_AG_CHANNEL_20MHZ; 1327 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); 1328 } 1329 } 1330 1331 void rtl8xxxu_gen2_config_channel(struct ieee80211_hw *hw) 1332 { 1333 struct rtl8xxxu_priv *priv = hw->priv; 1334 u32 val32; 1335 u8 val8, subchannel; 1336 u16 rf_mode_bw; 1337 bool ht = true; 1338 int sec_ch_above, channel; 1339 int i; 1340 1341 rf_mode_bw = rtl8xxxu_read16(priv, REG_WMAC_TRXPTCL_CTL); 1342 rf_mode_bw &= ~WMAC_TRXPTCL_CTL_BW_MASK; 1343 channel = hw->conf.chandef.chan->hw_value; 1344 1345 /* Hack */ 1346 subchannel = 0; 1347 1348 switch (hw->conf.chandef.width) { 1349 case NL80211_CHAN_WIDTH_20_NOHT: 1350 ht = false; 1351 fallthrough; 1352 case NL80211_CHAN_WIDTH_20: 1353 rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_20; 1354 subchannel = 0; 1355 1356 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1357 val32 &= ~FPGA_RF_MODE; 1358 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1359 1360 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); 1361 val32 &= ~FPGA_RF_MODE; 1362 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); 1363 1364 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT); 1365 val32 &= ~(BIT(30) | BIT(31)); 1366 rtl8xxxu_write32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT, val32); 1367 1368 break; 1369 case NL80211_CHAN_WIDTH_40: 1370 rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_40; 1371 1372 if (hw->conf.chandef.center_freq1 > 1373 hw->conf.chandef.chan->center_freq) { 1374 sec_ch_above = 1; 1375 channel += 2; 1376 } else { 1377 sec_ch_above = 0; 1378 channel -= 2; 1379 } 1380 1381 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1382 val32 |= FPGA_RF_MODE; 1383 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1384 1385 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); 1386 val32 |= FPGA_RF_MODE; 1387 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); 1388 1389 /* 1390 * Set Control channel to upper or lower. These settings 1391 * are required only for 40MHz 1392 */ 1393 val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM); 1394 val32 &= ~CCK0_SIDEBAND; 1395 if (!sec_ch_above) 1396 val32 |= CCK0_SIDEBAND; 1397 rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32); 1398 1399 val32 = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); 1400 val32 &= ~OFDM_LSTF_PRIME_CH_MASK; /* 0xc00 */ 1401 if (sec_ch_above) 1402 val32 |= OFDM_LSTF_PRIME_CH_LOW; 1403 else 1404 val32 |= OFDM_LSTF_PRIME_CH_HIGH; 1405 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); 1406 1407 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); 1408 val32 &= ~(FPGA0_PS_LOWER_CHANNEL | FPGA0_PS_UPPER_CHANNEL); 1409 if (sec_ch_above) 1410 val32 |= FPGA0_PS_UPPER_CHANNEL; 1411 else 1412 val32 |= FPGA0_PS_LOWER_CHANNEL; 1413 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); 1414 break; 1415 case NL80211_CHAN_WIDTH_80: 1416 rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_80; 1417 break; 1418 default: 1419 break; 1420 } 1421 1422 for (i = RF_A; i < priv->rf_paths; i++) { 1423 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); 1424 val32 &= ~MODE_AG_CHANNEL_MASK; 1425 val32 |= channel; 1426 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); 1427 } 1428 1429 rtl8xxxu_write16(priv, REG_WMAC_TRXPTCL_CTL, rf_mode_bw); 1430 rtl8xxxu_write8(priv, REG_DATA_SUBCHANNEL, subchannel); 1431 1432 if (ht) 1433 val8 = 0x0e; 1434 else 1435 val8 = 0x0a; 1436 1437 rtl8xxxu_write8(priv, REG_SIFS_CCK + 1, val8); 1438 rtl8xxxu_write8(priv, REG_SIFS_OFDM + 1, val8); 1439 1440 rtl8xxxu_write16(priv, REG_R2T_SIFS, 0x0808); 1441 rtl8xxxu_write16(priv, REG_T2T_SIFS, 0x0a0a); 1442 1443 for (i = RF_A; i < priv->rf_paths; i++) { 1444 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); 1445 val32 &= ~MODE_AG_BW_MASK; 1446 switch(hw->conf.chandef.width) { 1447 case NL80211_CHAN_WIDTH_80: 1448 val32 |= MODE_AG_BW_80MHZ_8723B; 1449 break; 1450 case NL80211_CHAN_WIDTH_40: 1451 val32 |= MODE_AG_BW_40MHZ_8723B; 1452 break; 1453 default: 1454 val32 |= MODE_AG_BW_20MHZ_8723B; 1455 break; 1456 } 1457 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); 1458 } 1459 } 1460 1461 void 1462 rtl8xxxu_gen1_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40) 1463 { 1464 struct rtl8xxxu_power_base *power_base = priv->power_base; 1465 u8 cck[RTL8723A_MAX_RF_PATHS], ofdm[RTL8723A_MAX_RF_PATHS]; 1466 u8 ofdmbase[RTL8723A_MAX_RF_PATHS], mcsbase[RTL8723A_MAX_RF_PATHS]; 1467 u32 val32, ofdm_a, ofdm_b, mcs_a, mcs_b; 1468 u8 val8, base; 1469 int group, i; 1470 1471 group = rtl8xxxu_gen1_channel_to_group(channel); 1472 1473 cck[0] = priv->cck_tx_power_index_A[group]; 1474 cck[1] = priv->cck_tx_power_index_B[group]; 1475 1476 if (priv->hi_pa) { 1477 if (cck[0] > 0x20) 1478 cck[0] = 0x20; 1479 if (cck[1] > 0x20) 1480 cck[1] = 0x20; 1481 } 1482 1483 ofdm[0] = priv->ht40_1s_tx_power_index_A[group]; 1484 ofdm[1] = priv->ht40_1s_tx_power_index_B[group]; 1485 1486 ofdmbase[0] = ofdm[0] + priv->ofdm_tx_power_index_diff[group].a; 1487 ofdmbase[1] = ofdm[1] + priv->ofdm_tx_power_index_diff[group].b; 1488 1489 mcsbase[0] = ofdm[0]; 1490 mcsbase[1] = ofdm[1]; 1491 if (!ht40) { 1492 mcsbase[0] += priv->ht20_tx_power_index_diff[group].a; 1493 mcsbase[1] += priv->ht20_tx_power_index_diff[group].b; 1494 } 1495 1496 if (priv->tx_paths > 1) { 1497 if (ofdm[0] > priv->ht40_2s_tx_power_index_diff[group].a) 1498 ofdm[0] -= priv->ht40_2s_tx_power_index_diff[group].a; 1499 if (ofdm[1] > priv->ht40_2s_tx_power_index_diff[group].b) 1500 ofdm[1] -= priv->ht40_2s_tx_power_index_diff[group].b; 1501 } 1502 1503 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_CHANNEL) 1504 dev_info(&priv->udev->dev, 1505 "%s: Setting TX power CCK A: %02x, " 1506 "CCK B: %02x, OFDM A: %02x, OFDM B: %02x\n", 1507 __func__, cck[0], cck[1], ofdm[0], ofdm[1]); 1508 1509 for (i = 0; i < RTL8723A_MAX_RF_PATHS; i++) { 1510 if (cck[i] > RF6052_MAX_TX_PWR) 1511 cck[i] = RF6052_MAX_TX_PWR; 1512 if (ofdm[i] > RF6052_MAX_TX_PWR) 1513 ofdm[i] = RF6052_MAX_TX_PWR; 1514 } 1515 1516 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32); 1517 val32 &= 0xffff00ff; 1518 val32 |= (cck[0] << 8); 1519 rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32); 1520 1521 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); 1522 val32 &= 0xff; 1523 val32 |= ((cck[0] << 8) | (cck[0] << 16) | (cck[0] << 24)); 1524 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); 1525 1526 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); 1527 val32 &= 0xffffff00; 1528 val32 |= cck[1]; 1529 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); 1530 1531 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK1_55_MCS32); 1532 val32 &= 0xff; 1533 val32 |= ((cck[1] << 8) | (cck[1] << 16) | (cck[1] << 24)); 1534 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK1_55_MCS32, val32); 1535 1536 ofdm_a = ofdmbase[0] | ofdmbase[0] << 8 | 1537 ofdmbase[0] << 16 | ofdmbase[0] << 24; 1538 ofdm_b = ofdmbase[1] | ofdmbase[1] << 8 | 1539 ofdmbase[1] << 16 | ofdmbase[1] << 24; 1540 1541 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, 1542 ofdm_a + power_base->reg_0e00); 1543 rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE18_06, 1544 ofdm_b + power_base->reg_0830); 1545 1546 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, 1547 ofdm_a + power_base->reg_0e04); 1548 rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE54_24, 1549 ofdm_b + power_base->reg_0834); 1550 1551 mcs_a = mcsbase[0] | mcsbase[0] << 8 | 1552 mcsbase[0] << 16 | mcsbase[0] << 24; 1553 mcs_b = mcsbase[1] | mcsbase[1] << 8 | 1554 mcsbase[1] << 16 | mcsbase[1] << 24; 1555 1556 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, 1557 mcs_a + power_base->reg_0e10); 1558 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS03_MCS00, 1559 mcs_b + power_base->reg_083c); 1560 1561 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, 1562 mcs_a + power_base->reg_0e14); 1563 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS07_MCS04, 1564 mcs_b + power_base->reg_0848); 1565 1566 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, 1567 mcs_a + power_base->reg_0e18); 1568 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS11_MCS08, 1569 mcs_b + power_base->reg_084c); 1570 1571 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, 1572 mcs_a + power_base->reg_0e1c); 1573 val8 = u32_get_bits(mcs_a + power_base->reg_0e1c, 0xff000000); 1574 for (i = 0; i < 3; i++) { 1575 base = i != 2 ? 8 : 6; 1576 val8 = max_t(int, val8 - base, 0); 1577 rtl8xxxu_write8(priv, REG_OFDM0_XC_TX_IQ_IMBALANCE + i, val8); 1578 } 1579 1580 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12, 1581 mcs_b + power_base->reg_0868); 1582 val8 = u32_get_bits(mcs_b + power_base->reg_0868, 0xff000000); 1583 for (i = 0; i < 3; i++) { 1584 base = i != 2 ? 8 : 6; 1585 val8 = max_t(int, val8 - base, 0); 1586 rtl8xxxu_write8(priv, REG_OFDM0_XD_TX_IQ_IMBALANCE + i, val8); 1587 } 1588 } 1589 1590 static void rtl8xxxu_set_linktype(struct rtl8xxxu_priv *priv, 1591 enum nl80211_iftype linktype, int port_num) 1592 { 1593 u8 val8, type; 1594 1595 switch (linktype) { 1596 case NL80211_IFTYPE_UNSPECIFIED: 1597 type = MSR_LINKTYPE_NONE; 1598 break; 1599 case NL80211_IFTYPE_ADHOC: 1600 type = MSR_LINKTYPE_ADHOC; 1601 break; 1602 case NL80211_IFTYPE_STATION: 1603 type = MSR_LINKTYPE_STATION; 1604 break; 1605 case NL80211_IFTYPE_AP: 1606 type = MSR_LINKTYPE_AP; 1607 break; 1608 default: 1609 return; 1610 } 1611 1612 switch (port_num) { 1613 case 0: 1614 val8 = rtl8xxxu_read8(priv, REG_MSR) & 0x0c; 1615 val8 |= type; 1616 break; 1617 case 1: 1618 val8 = rtl8xxxu_read8(priv, REG_MSR) & 0x03; 1619 val8 |= type << 2; 1620 break; 1621 default: 1622 return; 1623 } 1624 1625 rtl8xxxu_write8(priv, REG_MSR, val8); 1626 } 1627 1628 static void 1629 rtl8xxxu_set_retry(struct rtl8xxxu_priv *priv, u16 short_retry, u16 long_retry) 1630 { 1631 u16 val16; 1632 1633 val16 = ((short_retry << RETRY_LIMIT_SHORT_SHIFT) & 1634 RETRY_LIMIT_SHORT_MASK) | 1635 ((long_retry << RETRY_LIMIT_LONG_SHIFT) & 1636 RETRY_LIMIT_LONG_MASK); 1637 1638 rtl8xxxu_write16(priv, REG_RETRY_LIMIT, val16); 1639 } 1640 1641 static void 1642 rtl8xxxu_set_spec_sifs(struct rtl8xxxu_priv *priv, u16 cck, u16 ofdm) 1643 { 1644 u16 val16; 1645 1646 val16 = ((cck << SPEC_SIFS_CCK_SHIFT) & SPEC_SIFS_CCK_MASK) | 1647 ((ofdm << SPEC_SIFS_OFDM_SHIFT) & SPEC_SIFS_OFDM_MASK); 1648 1649 rtl8xxxu_write16(priv, REG_SPEC_SIFS, val16); 1650 } 1651 1652 static void rtl8xxxu_print_chipinfo(struct rtl8xxxu_priv *priv) 1653 { 1654 struct device *dev = &priv->udev->dev; 1655 char cut = 'A' + priv->chip_cut; 1656 1657 dev_info(dev, 1658 "RTL%s rev %c (%s) romver %d, %iT%iR, TX queues %i, WiFi=%i, BT=%i, GPS=%i, HI PA=%i\n", 1659 priv->chip_name, cut, priv->chip_vendor, priv->rom_rev, 1660 priv->tx_paths, priv->rx_paths, priv->ep_tx_count, 1661 priv->has_wifi, priv->has_bluetooth, priv->has_gps, 1662 priv->hi_pa); 1663 1664 dev_info(dev, "RTL%s MAC: %pM\n", priv->chip_name, priv->mac_addr); 1665 } 1666 1667 void rtl8xxxu_identify_vendor_1bit(struct rtl8xxxu_priv *priv, u32 vendor) 1668 { 1669 if (vendor) { 1670 strscpy(priv->chip_vendor, "UMC", sizeof(priv->chip_vendor)); 1671 priv->vendor_umc = 1; 1672 } else { 1673 strscpy(priv->chip_vendor, "TSMC", sizeof(priv->chip_vendor)); 1674 } 1675 } 1676 1677 void rtl8xxxu_identify_vendor_2bits(struct rtl8xxxu_priv *priv, u32 vendor) 1678 { 1679 switch (vendor) { 1680 case SYS_CFG_VENDOR_ID_TSMC: 1681 strscpy(priv->chip_vendor, "TSMC", sizeof(priv->chip_vendor)); 1682 break; 1683 case SYS_CFG_VENDOR_ID_SMIC: 1684 strscpy(priv->chip_vendor, "SMIC", sizeof(priv->chip_vendor)); 1685 priv->vendor_smic = 1; 1686 break; 1687 case SYS_CFG_VENDOR_ID_UMC: 1688 strscpy(priv->chip_vendor, "UMC", sizeof(priv->chip_vendor)); 1689 priv->vendor_umc = 1; 1690 break; 1691 default: 1692 strscpy(priv->chip_vendor, "unknown", sizeof(priv->chip_vendor)); 1693 } 1694 } 1695 1696 void rtl8xxxu_config_endpoints_sie(struct rtl8xxxu_priv *priv) 1697 { 1698 u16 val16; 1699 1700 val16 = rtl8xxxu_read16(priv, REG_NORMAL_SIE_EP_TX); 1701 1702 if (val16 & NORMAL_SIE_EP_TX_HIGH_MASK) { 1703 priv->ep_tx_high_queue = 1; 1704 priv->ep_tx_count++; 1705 } 1706 1707 if (val16 & NORMAL_SIE_EP_TX_NORMAL_MASK) { 1708 priv->ep_tx_normal_queue = 1; 1709 priv->ep_tx_count++; 1710 } 1711 1712 if (val16 & NORMAL_SIE_EP_TX_LOW_MASK) { 1713 priv->ep_tx_low_queue = 1; 1714 priv->ep_tx_count++; 1715 } 1716 } 1717 1718 int rtl8xxxu_config_endpoints_no_sie(struct rtl8xxxu_priv *priv) 1719 { 1720 struct device *dev = &priv->udev->dev; 1721 1722 switch (priv->nr_out_eps) { 1723 case 6: 1724 case 5: 1725 case 4: 1726 case 3: 1727 priv->ep_tx_low_queue = 1; 1728 priv->ep_tx_count++; 1729 fallthrough; 1730 case 2: 1731 priv->ep_tx_normal_queue = 1; 1732 priv->ep_tx_count++; 1733 fallthrough; 1734 case 1: 1735 priv->ep_tx_high_queue = 1; 1736 priv->ep_tx_count++; 1737 break; 1738 default: 1739 dev_info(dev, "Unsupported USB TX end-points\n"); 1740 return -ENOTSUPP; 1741 } 1742 1743 return 0; 1744 } 1745 1746 int 1747 rtl8xxxu_read_efuse8(struct rtl8xxxu_priv *priv, u16 offset, u8 *data) 1748 { 1749 int i; 1750 u8 val8; 1751 u32 val32; 1752 1753 /* Write Address */ 1754 rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 1, offset & 0xff); 1755 val8 = rtl8xxxu_read8(priv, REG_EFUSE_CTRL + 2); 1756 val8 &= 0xfc; 1757 val8 |= (offset >> 8) & 0x03; 1758 rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 2, val8); 1759 1760 val8 = rtl8xxxu_read8(priv, REG_EFUSE_CTRL + 3); 1761 rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 3, val8 & 0x7f); 1762 1763 /* Poll for data read */ 1764 val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL); 1765 for (i = 0; i < RTL8XXXU_MAX_REG_POLL; i++) { 1766 val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL); 1767 if (val32 & BIT(31)) 1768 break; 1769 } 1770 1771 if (i == RTL8XXXU_MAX_REG_POLL) 1772 return -EIO; 1773 1774 udelay(50); 1775 val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL); 1776 1777 *data = val32 & 0xff; 1778 return 0; 1779 } 1780 1781 int rtl8xxxu_read_efuse(struct rtl8xxxu_priv *priv) 1782 { 1783 struct device *dev = &priv->udev->dev; 1784 int i, ret = 0; 1785 u8 val8, word_mask, header, extheader; 1786 u16 val16, efuse_addr, offset; 1787 u32 val32; 1788 1789 val16 = rtl8xxxu_read16(priv, REG_9346CR); 1790 if (val16 & EEPROM_ENABLE) 1791 priv->has_eeprom = 1; 1792 if (val16 & EEPROM_BOOT) 1793 priv->boot_eeprom = 1; 1794 1795 if (priv->is_multi_func) { 1796 val32 = rtl8xxxu_read32(priv, REG_EFUSE_TEST); 1797 val32 = (val32 & ~EFUSE_SELECT_MASK) | EFUSE_WIFI_SELECT; 1798 rtl8xxxu_write32(priv, REG_EFUSE_TEST, val32); 1799 } 1800 1801 dev_dbg(dev, "Booting from %s\n", 1802 priv->boot_eeprom ? "EEPROM" : "EFUSE"); 1803 1804 rtl8xxxu_write8(priv, REG_EFUSE_ACCESS, EFUSE_ACCESS_ENABLE); 1805 1806 /* 1.2V Power: From VDDON with Power Cut(0x0000[15]), default valid */ 1807 val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL); 1808 if (!(val16 & SYS_ISO_PWC_EV12V)) { 1809 val16 |= SYS_ISO_PWC_EV12V; 1810 rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val16); 1811 } 1812 /* Reset: 0x0000[28], default valid */ 1813 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 1814 if (!(val16 & SYS_FUNC_ELDR)) { 1815 val16 |= SYS_FUNC_ELDR; 1816 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 1817 } 1818 1819 /* 1820 * Clock: Gated(0x0008[5]) 8M(0x0008[1]) clock from ANA, default valid 1821 */ 1822 val16 = rtl8xxxu_read16(priv, REG_SYS_CLKR); 1823 if (!(val16 & SYS_CLK_LOADER_ENABLE) || !(val16 & SYS_CLK_ANA8M)) { 1824 val16 |= (SYS_CLK_LOADER_ENABLE | SYS_CLK_ANA8M); 1825 rtl8xxxu_write16(priv, REG_SYS_CLKR, val16); 1826 } 1827 1828 /* Default value is 0xff */ 1829 memset(priv->efuse_wifi.raw, 0xff, EFUSE_MAP_LEN); 1830 1831 efuse_addr = 0; 1832 while (efuse_addr < EFUSE_REAL_CONTENT_LEN_8723A) { 1833 u16 map_addr; 1834 1835 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &header); 1836 if (ret || header == 0xff) 1837 goto exit; 1838 1839 if ((header & 0x1f) == 0x0f) { /* extended header */ 1840 offset = (header & 0xe0) >> 5; 1841 1842 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, 1843 &extheader); 1844 if (ret) 1845 goto exit; 1846 /* All words disabled */ 1847 if ((extheader & 0x0f) == 0x0f) 1848 continue; 1849 1850 offset |= ((extheader & 0xf0) >> 1); 1851 word_mask = extheader & 0x0f; 1852 } else { 1853 offset = (header >> 4) & 0x0f; 1854 word_mask = header & 0x0f; 1855 } 1856 1857 /* Get word enable value from PG header */ 1858 1859 /* We have 8 bits to indicate validity */ 1860 map_addr = offset * 8; 1861 for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) { 1862 /* Check word enable condition in the section */ 1863 if (word_mask & BIT(i)) { 1864 map_addr += 2; 1865 continue; 1866 } 1867 1868 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &val8); 1869 if (ret) 1870 goto exit; 1871 if (map_addr >= EFUSE_MAP_LEN - 1) { 1872 dev_warn(dev, "%s: Illegal map_addr (%04x), " 1873 "efuse corrupt!\n", 1874 __func__, map_addr); 1875 ret = -EINVAL; 1876 goto exit; 1877 } 1878 priv->efuse_wifi.raw[map_addr++] = val8; 1879 1880 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &val8); 1881 if (ret) 1882 goto exit; 1883 priv->efuse_wifi.raw[map_addr++] = val8; 1884 } 1885 } 1886 1887 exit: 1888 rtl8xxxu_write8(priv, REG_EFUSE_ACCESS, EFUSE_ACCESS_DISABLE); 1889 1890 return ret; 1891 } 1892 1893 static void rtl8xxxu_dump_efuse(struct rtl8xxxu_priv *priv) 1894 { 1895 dev_info(&priv->udev->dev, 1896 "Dumping efuse for RTL%s (0x%02x bytes):\n", 1897 priv->chip_name, EFUSE_MAP_LEN); 1898 1899 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, 1900 priv->efuse_wifi.raw, EFUSE_MAP_LEN, true); 1901 } 1902 1903 void rtl8xxxu_reset_8051(struct rtl8xxxu_priv *priv) 1904 { 1905 u8 val8; 1906 u16 sys_func; 1907 1908 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 1909 val8 &= ~BIT(0); 1910 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 1911 1912 sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC); 1913 sys_func &= ~SYS_FUNC_CPU_ENABLE; 1914 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); 1915 1916 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 1917 val8 |= BIT(0); 1918 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 1919 1920 sys_func |= SYS_FUNC_CPU_ENABLE; 1921 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); 1922 } 1923 1924 static int rtl8xxxu_start_firmware(struct rtl8xxxu_priv *priv) 1925 { 1926 struct device *dev = &priv->udev->dev; 1927 u16 reg_mcu_fw_dl; 1928 int ret = 0, i; 1929 u32 val32; 1930 1931 if (priv->rtl_chip == RTL8710B) 1932 reg_mcu_fw_dl = REG_8051FW_CTRL_V1_8710B; 1933 else 1934 reg_mcu_fw_dl = REG_MCU_FW_DL; 1935 1936 /* Poll checksum report */ 1937 for (i = 0; i < RTL8XXXU_FIRMWARE_POLL_MAX; i++) { 1938 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl); 1939 if (val32 & MCU_FW_DL_CSUM_REPORT) 1940 break; 1941 } 1942 1943 if (i == RTL8XXXU_FIRMWARE_POLL_MAX) { 1944 dev_warn(dev, "Firmware checksum poll timed out\n"); 1945 ret = -EAGAIN; 1946 goto exit; 1947 } 1948 1949 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl); 1950 val32 |= MCU_FW_DL_READY; 1951 val32 &= ~MCU_WINT_INIT_READY; 1952 rtl8xxxu_write32(priv, reg_mcu_fw_dl, val32); 1953 1954 /* 1955 * Reset the 8051 in order for the firmware to start running, 1956 * otherwise it won't come up on the 8192eu 1957 */ 1958 priv->fops->reset_8051(priv); 1959 1960 /* Wait for firmware to become ready */ 1961 for (i = 0; i < RTL8XXXU_FIRMWARE_POLL_MAX; i++) { 1962 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl); 1963 if (val32 & MCU_WINT_INIT_READY) 1964 break; 1965 1966 udelay(100); 1967 } 1968 1969 if (i == RTL8XXXU_FIRMWARE_POLL_MAX) { 1970 dev_warn(dev, "Firmware failed to start\n"); 1971 ret = -EAGAIN; 1972 goto exit; 1973 } 1974 1975 /* 1976 * Init H2C command 1977 */ 1978 if (priv->fops->init_reg_hmtfr) 1979 rtl8xxxu_write8(priv, REG_HMTFR, 0x0f); 1980 exit: 1981 return ret; 1982 } 1983 1984 static int rtl8xxxu_download_firmware(struct rtl8xxxu_priv *priv) 1985 { 1986 int pages, remainder, i, ret; 1987 u16 reg_fw_start_address; 1988 u16 reg_mcu_fw_dl; 1989 u8 val8; 1990 u16 val16; 1991 u32 val32; 1992 u8 *fwptr; 1993 1994 if (priv->rtl_chip == RTL8192F) 1995 reg_fw_start_address = REG_FW_START_ADDRESS_8192F; 1996 else 1997 reg_fw_start_address = REG_FW_START_ADDRESS; 1998 1999 if (priv->rtl_chip == RTL8710B) { 2000 reg_mcu_fw_dl = REG_8051FW_CTRL_V1_8710B; 2001 } else { 2002 reg_mcu_fw_dl = REG_MCU_FW_DL; 2003 2004 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC + 1); 2005 val8 |= 4; 2006 rtl8xxxu_write8(priv, REG_SYS_FUNC + 1, val8); 2007 2008 /* 8051 enable */ 2009 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 2010 val16 |= SYS_FUNC_CPU_ENABLE; 2011 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 2012 } 2013 2014 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl); 2015 if (val8 & MCU_FW_RAM_SEL) { 2016 dev_info(&priv->udev->dev, 2017 "Firmware is already running, resetting the MCU.\n"); 2018 rtl8xxxu_write8(priv, reg_mcu_fw_dl, 0x00); 2019 priv->fops->reset_8051(priv); 2020 } 2021 2022 /* MCU firmware download enable */ 2023 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl); 2024 val8 |= MCU_FW_DL_ENABLE; 2025 rtl8xxxu_write8(priv, reg_mcu_fw_dl, val8); 2026 2027 /* 8051 reset */ 2028 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl); 2029 val32 &= ~BIT(19); 2030 rtl8xxxu_write32(priv, reg_mcu_fw_dl, val32); 2031 2032 if (priv->rtl_chip == RTL8710B) { 2033 /* We must set 0x8090[8]=1 before download FW. */ 2034 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl + 1); 2035 val8 |= BIT(0); 2036 rtl8xxxu_write8(priv, reg_mcu_fw_dl + 1, val8); 2037 } 2038 2039 /* Reset firmware download checksum */ 2040 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl); 2041 val8 |= MCU_FW_DL_CSUM_REPORT; 2042 rtl8xxxu_write8(priv, reg_mcu_fw_dl, val8); 2043 2044 pages = priv->fw_size / RTL_FW_PAGE_SIZE; 2045 remainder = priv->fw_size % RTL_FW_PAGE_SIZE; 2046 2047 fwptr = priv->fw_data->data; 2048 2049 for (i = 0; i < pages; i++) { 2050 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl + 2) & 0xF8; 2051 val8 |= i; 2052 rtl8xxxu_write8(priv, reg_mcu_fw_dl + 2, val8); 2053 2054 ret = rtl8xxxu_writeN(priv, reg_fw_start_address, 2055 fwptr, RTL_FW_PAGE_SIZE); 2056 if (ret != RTL_FW_PAGE_SIZE) { 2057 ret = -EAGAIN; 2058 goto fw_abort; 2059 } 2060 2061 fwptr += RTL_FW_PAGE_SIZE; 2062 } 2063 2064 if (remainder) { 2065 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl + 2) & 0xF8; 2066 val8 |= i; 2067 rtl8xxxu_write8(priv, reg_mcu_fw_dl + 2, val8); 2068 ret = rtl8xxxu_writeN(priv, reg_fw_start_address, 2069 fwptr, remainder); 2070 if (ret != remainder) { 2071 ret = -EAGAIN; 2072 goto fw_abort; 2073 } 2074 } 2075 2076 ret = 0; 2077 fw_abort: 2078 /* MCU firmware download disable */ 2079 val16 = rtl8xxxu_read16(priv, reg_mcu_fw_dl); 2080 val16 &= ~MCU_FW_DL_ENABLE; 2081 rtl8xxxu_write16(priv, reg_mcu_fw_dl, val16); 2082 2083 return ret; 2084 } 2085 2086 int rtl8xxxu_load_firmware(struct rtl8xxxu_priv *priv, const char *fw_name) 2087 { 2088 struct device *dev = &priv->udev->dev; 2089 const struct firmware *fw; 2090 int ret = 0; 2091 u16 signature; 2092 2093 dev_info(dev, "%s: Loading firmware %s\n", DRIVER_NAME, fw_name); 2094 if (request_firmware(&fw, fw_name, &priv->udev->dev)) { 2095 dev_warn(dev, "request_firmware(%s) failed\n", fw_name); 2096 ret = -EAGAIN; 2097 goto exit; 2098 } 2099 if (!fw) { 2100 dev_warn(dev, "Firmware data not available\n"); 2101 ret = -EINVAL; 2102 goto exit; 2103 } 2104 2105 priv->fw_data = kmemdup(fw->data, fw->size, GFP_KERNEL); 2106 if (!priv->fw_data) { 2107 ret = -ENOMEM; 2108 goto exit; 2109 } 2110 priv->fw_size = fw->size - sizeof(struct rtl8xxxu_firmware_header); 2111 2112 signature = le16_to_cpu(priv->fw_data->signature); 2113 switch (signature & 0xfff0) { 2114 case 0x92e0: 2115 case 0x92c0: 2116 case 0x88e0: 2117 case 0x88c0: 2118 case 0x5300: 2119 case 0x2300: 2120 case 0x88f0: 2121 case 0x10b0: 2122 case 0x92f0: 2123 break; 2124 default: 2125 ret = -EINVAL; 2126 dev_warn(dev, "%s: Invalid firmware signature: 0x%04x\n", 2127 __func__, signature); 2128 } 2129 2130 dev_info(dev, "Firmware revision %i.%i (signature 0x%04x)\n", 2131 le16_to_cpu(priv->fw_data->major_version), 2132 priv->fw_data->minor_version, signature); 2133 2134 exit: 2135 release_firmware(fw); 2136 return ret; 2137 } 2138 2139 void rtl8xxxu_firmware_self_reset(struct rtl8xxxu_priv *priv) 2140 { 2141 u16 val16; 2142 int i = 100; 2143 2144 /* Inform 8051 to perform reset */ 2145 rtl8xxxu_write8(priv, REG_HMTFR + 3, 0x20); 2146 2147 for (i = 100; i > 0; i--) { 2148 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 2149 2150 if (!(val16 & SYS_FUNC_CPU_ENABLE)) { 2151 dev_dbg(&priv->udev->dev, 2152 "%s: Firmware self reset success!\n", __func__); 2153 break; 2154 } 2155 udelay(50); 2156 } 2157 2158 if (!i) { 2159 /* Force firmware reset */ 2160 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 2161 val16 &= ~SYS_FUNC_CPU_ENABLE; 2162 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 2163 } 2164 } 2165 2166 static int 2167 rtl8xxxu_init_mac(struct rtl8xxxu_priv *priv) 2168 { 2169 const struct rtl8xxxu_reg8val *array = priv->fops->mactable; 2170 int i, ret; 2171 u16 reg; 2172 u8 val; 2173 2174 for (i = 0; ; i++) { 2175 reg = array[i].reg; 2176 val = array[i].val; 2177 2178 if (reg == 0xffff && val == 0xff) 2179 break; 2180 2181 ret = rtl8xxxu_write8(priv, reg, val); 2182 if (ret != 1) { 2183 dev_warn(&priv->udev->dev, 2184 "Failed to initialize MAC " 2185 "(reg: %04x, val %02x)\n", reg, val); 2186 return -EAGAIN; 2187 } 2188 } 2189 2190 switch (priv->rtl_chip) { 2191 case RTL8188C: 2192 case RTL8188R: 2193 case RTL8191C: 2194 case RTL8192C: 2195 case RTL8723A: 2196 rtl8xxxu_write8(priv, REG_MAX_AGGR_NUM, 0x0a); 2197 break; 2198 case RTL8188E: 2199 rtl8xxxu_write16(priv, REG_MAX_AGGR_NUM, 0x0707); 2200 break; 2201 default: 2202 break; 2203 } 2204 2205 return 0; 2206 } 2207 2208 int rtl8xxxu_init_phy_regs(struct rtl8xxxu_priv *priv, 2209 const struct rtl8xxxu_reg32val *array) 2210 { 2211 int i, ret; 2212 u16 reg; 2213 u32 val; 2214 2215 for (i = 0; ; i++) { 2216 reg = array[i].reg; 2217 val = array[i].val; 2218 2219 if (reg == 0xffff && val == 0xffffffff) 2220 break; 2221 2222 ret = rtl8xxxu_write32(priv, reg, val); 2223 if (ret != sizeof(val)) { 2224 dev_warn(&priv->udev->dev, 2225 "Failed to initialize PHY\n"); 2226 return -EAGAIN; 2227 } 2228 udelay(1); 2229 } 2230 2231 return 0; 2232 } 2233 2234 void rtl8xxxu_gen1_init_phy_bb(struct rtl8xxxu_priv *priv) 2235 { 2236 u8 val8, ldoa15, ldov12d, lpldo, ldohci12; 2237 u16 val16; 2238 u32 val32; 2239 2240 val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL); 2241 udelay(2); 2242 val8 |= AFE_PLL_320_ENABLE; 2243 rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8); 2244 udelay(2); 2245 2246 rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL + 1, 0xff); 2247 udelay(2); 2248 2249 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 2250 val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB; 2251 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 2252 2253 val32 = rtl8xxxu_read32(priv, REG_AFE_XTAL_CTRL); 2254 val32 &= ~AFE_XTAL_RF_GATE; 2255 if (priv->has_bluetooth) 2256 val32 &= ~AFE_XTAL_BT_GATE; 2257 rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, val32); 2258 2259 /* 6. 0x1f[7:0] = 0x07 */ 2260 val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB; 2261 rtl8xxxu_write8(priv, REG_RF_CTRL, val8); 2262 2263 if (priv->hi_pa) 2264 rtl8xxxu_init_phy_regs(priv, rtl8188ru_phy_1t_highpa_table); 2265 else if (priv->tx_paths == 2) 2266 rtl8xxxu_init_phy_regs(priv, rtl8192cu_phy_2t_init_table); 2267 else 2268 rtl8xxxu_init_phy_regs(priv, rtl8723a_phy_1t_init_table); 2269 2270 if (priv->rtl_chip == RTL8188R && priv->hi_pa && 2271 priv->vendor_umc && priv->chip_cut == 1) 2272 rtl8xxxu_write8(priv, REG_OFDM0_AGC_PARM1 + 2, 0x50); 2273 2274 if (priv->hi_pa) 2275 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_highpa_table); 2276 else 2277 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_standard_table); 2278 2279 ldoa15 = LDOA15_ENABLE | LDOA15_OBUF; 2280 ldov12d = LDOV12D_ENABLE | BIT(2) | (2 << LDOV12D_VADJ_SHIFT); 2281 ldohci12 = 0x57; 2282 lpldo = 1; 2283 val32 = (lpldo << 24) | (ldohci12 << 16) | (ldov12d << 8) | ldoa15; 2284 rtl8xxxu_write32(priv, REG_LDOA15_CTRL, val32); 2285 } 2286 2287 /* 2288 * Most of this is black magic retrieved from the old rtl8723au driver 2289 */ 2290 static int rtl8xxxu_init_phy_bb(struct rtl8xxxu_priv *priv) 2291 { 2292 u32 val32; 2293 2294 priv->fops->init_phy_bb(priv); 2295 2296 if (priv->tx_paths == 1 && priv->rx_paths == 2) { 2297 /* 2298 * For 1T2R boards, patch the registers. 2299 * 2300 * It looks like 8191/2 1T2R boards use path B for TX 2301 */ 2302 val32 = rtl8xxxu_read32(priv, REG_FPGA0_TX_INFO); 2303 val32 &= ~(BIT(0) | BIT(1)); 2304 val32 |= BIT(1); 2305 rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, val32); 2306 2307 val32 = rtl8xxxu_read32(priv, REG_FPGA1_TX_INFO); 2308 val32 &= ~0x300033; 2309 val32 |= 0x200022; 2310 rtl8xxxu_write32(priv, REG_FPGA1_TX_INFO, val32); 2311 2312 val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING); 2313 val32 &= ~CCK0_AFE_RX_MASK; 2314 val32 &= 0x00ffffff; 2315 val32 |= 0x40000000; 2316 val32 |= CCK0_AFE_RX_ANT_B; 2317 rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32); 2318 2319 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); 2320 val32 &= ~(OFDM_RF_PATH_RX_MASK | OFDM_RF_PATH_TX_MASK); 2321 val32 |= (OFDM_RF_PATH_RX_A | OFDM_RF_PATH_RX_B | 2322 OFDM_RF_PATH_TX_B); 2323 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); 2324 2325 val32 = rtl8xxxu_read32(priv, REG_OFDM0_AGC_PARM1); 2326 val32 &= ~(BIT(4) | BIT(5)); 2327 val32 |= BIT(4); 2328 rtl8xxxu_write32(priv, REG_OFDM0_AGC_PARM1, val32); 2329 2330 val32 = rtl8xxxu_read32(priv, REG_TX_CCK_RFON); 2331 val32 &= ~(BIT(27) | BIT(26)); 2332 val32 |= BIT(27); 2333 rtl8xxxu_write32(priv, REG_TX_CCK_RFON, val32); 2334 2335 val32 = rtl8xxxu_read32(priv, REG_TX_CCK_BBON); 2336 val32 &= ~(BIT(27) | BIT(26)); 2337 val32 |= BIT(27); 2338 rtl8xxxu_write32(priv, REG_TX_CCK_BBON, val32); 2339 2340 val32 = rtl8xxxu_read32(priv, REG_TX_OFDM_RFON); 2341 val32 &= ~(BIT(27) | BIT(26)); 2342 val32 |= BIT(27); 2343 rtl8xxxu_write32(priv, REG_TX_OFDM_RFON, val32); 2344 2345 val32 = rtl8xxxu_read32(priv, REG_TX_OFDM_BBON); 2346 val32 &= ~(BIT(27) | BIT(26)); 2347 val32 |= BIT(27); 2348 rtl8xxxu_write32(priv, REG_TX_OFDM_BBON, val32); 2349 2350 val32 = rtl8xxxu_read32(priv, REG_TX_TO_TX); 2351 val32 &= ~(BIT(27) | BIT(26)); 2352 val32 |= BIT(27); 2353 rtl8xxxu_write32(priv, REG_TX_TO_TX, val32); 2354 } 2355 2356 if (priv->fops->set_crystal_cap) 2357 priv->fops->set_crystal_cap(priv, priv->default_crystal_cap); 2358 2359 if (priv->rtl_chip == RTL8192E) 2360 rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, 0x000f81fb); 2361 2362 return 0; 2363 } 2364 2365 static int rtl8xxxu_init_rf_regs(struct rtl8xxxu_priv *priv, 2366 const struct rtl8xxxu_rfregval *array, 2367 enum rtl8xxxu_rfpath path) 2368 { 2369 int i, ret; 2370 u8 reg; 2371 u32 val; 2372 2373 for (i = 0; ; i++) { 2374 reg = array[i].reg; 2375 val = array[i].val; 2376 2377 if (reg == 0xff && val == 0xffffffff) 2378 break; 2379 2380 switch (reg) { 2381 case 0xfe: 2382 msleep(50); 2383 continue; 2384 case 0xfd: 2385 mdelay(5); 2386 continue; 2387 case 0xfc: 2388 mdelay(1); 2389 continue; 2390 case 0xfb: 2391 udelay(50); 2392 continue; 2393 case 0xfa: 2394 udelay(5); 2395 continue; 2396 case 0xf9: 2397 udelay(1); 2398 continue; 2399 } 2400 2401 ret = rtl8xxxu_write_rfreg(priv, path, reg, val); 2402 if (ret) { 2403 dev_warn(&priv->udev->dev, 2404 "Failed to initialize RF\n"); 2405 return -EAGAIN; 2406 } 2407 udelay(1); 2408 } 2409 2410 return 0; 2411 } 2412 2413 int rtl8xxxu_init_phy_rf(struct rtl8xxxu_priv *priv, 2414 const struct rtl8xxxu_rfregval *table, 2415 enum rtl8xxxu_rfpath path) 2416 { 2417 u32 val32; 2418 u16 val16, rfsi_rfenv; 2419 u16 reg_sw_ctrl, reg_int_oe, reg_hssi_parm2; 2420 2421 switch (path) { 2422 case RF_A: 2423 reg_sw_ctrl = REG_FPGA0_XA_RF_SW_CTRL; 2424 reg_int_oe = REG_FPGA0_XA_RF_INT_OE; 2425 reg_hssi_parm2 = REG_FPGA0_XA_HSSI_PARM2; 2426 break; 2427 case RF_B: 2428 reg_sw_ctrl = REG_FPGA0_XB_RF_SW_CTRL; 2429 reg_int_oe = REG_FPGA0_XB_RF_INT_OE; 2430 reg_hssi_parm2 = REG_FPGA0_XB_HSSI_PARM2; 2431 break; 2432 default: 2433 dev_err(&priv->udev->dev, "%s:Unsupported RF path %c\n", 2434 __func__, path + 'A'); 2435 return -EINVAL; 2436 } 2437 /* For path B, use XB */ 2438 rfsi_rfenv = rtl8xxxu_read16(priv, reg_sw_ctrl); 2439 rfsi_rfenv &= FPGA0_RF_RFENV; 2440 2441 /* 2442 * These two we might be able to optimize into one 2443 */ 2444 val32 = rtl8xxxu_read32(priv, reg_int_oe); 2445 val32 |= BIT(20); /* 0x10 << 16 */ 2446 rtl8xxxu_write32(priv, reg_int_oe, val32); 2447 udelay(1); 2448 2449 val32 = rtl8xxxu_read32(priv, reg_int_oe); 2450 val32 |= BIT(4); 2451 rtl8xxxu_write32(priv, reg_int_oe, val32); 2452 udelay(1); 2453 2454 /* 2455 * These two we might be able to optimize into one 2456 */ 2457 val32 = rtl8xxxu_read32(priv, reg_hssi_parm2); 2458 val32 &= ~FPGA0_HSSI_3WIRE_ADDR_LEN; 2459 rtl8xxxu_write32(priv, reg_hssi_parm2, val32); 2460 udelay(1); 2461 2462 val32 = rtl8xxxu_read32(priv, reg_hssi_parm2); 2463 val32 &= ~FPGA0_HSSI_3WIRE_DATA_LEN; 2464 rtl8xxxu_write32(priv, reg_hssi_parm2, val32); 2465 udelay(1); 2466 2467 rtl8xxxu_init_rf_regs(priv, table, path); 2468 2469 /* For path B, use XB */ 2470 val16 = rtl8xxxu_read16(priv, reg_sw_ctrl); 2471 val16 &= ~FPGA0_RF_RFENV; 2472 val16 |= rfsi_rfenv; 2473 rtl8xxxu_write16(priv, reg_sw_ctrl, val16); 2474 2475 return 0; 2476 } 2477 2478 static int rtl8xxxu_llt_write(struct rtl8xxxu_priv *priv, u8 address, u8 data) 2479 { 2480 int ret = -EBUSY; 2481 int count = 0; 2482 u32 value; 2483 2484 value = LLT_OP_WRITE | address << 8 | data; 2485 2486 rtl8xxxu_write32(priv, REG_LLT_INIT, value); 2487 2488 do { 2489 value = rtl8xxxu_read32(priv, REG_LLT_INIT); 2490 if ((value & LLT_OP_MASK) == LLT_OP_INACTIVE) { 2491 ret = 0; 2492 break; 2493 } 2494 } while (count++ < 20); 2495 2496 return ret; 2497 } 2498 2499 int rtl8xxxu_init_llt_table(struct rtl8xxxu_priv *priv) 2500 { 2501 int ret; 2502 int i, last_entry; 2503 u8 last_tx_page; 2504 2505 last_tx_page = priv->fops->total_page_num; 2506 2507 if (priv->fops->last_llt_entry) 2508 last_entry = priv->fops->last_llt_entry; 2509 else 2510 last_entry = 255; 2511 2512 for (i = 0; i < last_tx_page; i++) { 2513 ret = rtl8xxxu_llt_write(priv, i, i + 1); 2514 if (ret) 2515 goto exit; 2516 } 2517 2518 ret = rtl8xxxu_llt_write(priv, last_tx_page, 0xff); 2519 if (ret) 2520 goto exit; 2521 2522 /* Mark remaining pages as a ring buffer */ 2523 for (i = last_tx_page + 1; i < last_entry; i++) { 2524 ret = rtl8xxxu_llt_write(priv, i, (i + 1)); 2525 if (ret) 2526 goto exit; 2527 } 2528 2529 /* Let last entry point to the start entry of ring buffer */ 2530 ret = rtl8xxxu_llt_write(priv, last_entry, last_tx_page + 1); 2531 if (ret) 2532 goto exit; 2533 2534 exit: 2535 return ret; 2536 } 2537 2538 int rtl8xxxu_auto_llt_table(struct rtl8xxxu_priv *priv) 2539 { 2540 u32 val32; 2541 int ret = 0; 2542 int i; 2543 2544 val32 = rtl8xxxu_read32(priv, REG_AUTO_LLT); 2545 val32 |= AUTO_LLT_INIT_LLT; 2546 rtl8xxxu_write32(priv, REG_AUTO_LLT, val32); 2547 2548 for (i = 500; i; i--) { 2549 val32 = rtl8xxxu_read32(priv, REG_AUTO_LLT); 2550 if (!(val32 & AUTO_LLT_INIT_LLT)) 2551 break; 2552 usleep_range(2, 4); 2553 } 2554 2555 if (!i) { 2556 ret = -EBUSY; 2557 dev_warn(&priv->udev->dev, "LLT table init failed\n"); 2558 } 2559 2560 return ret; 2561 } 2562 2563 static int rtl8xxxu_init_queue_priority(struct rtl8xxxu_priv *priv) 2564 { 2565 u16 val16, hi, lo; 2566 u16 hiq, mgq, bkq, beq, viq, voq; 2567 int hip, mgp, bkp, bep, vip, vop; 2568 int ret = 0; 2569 u32 val32; 2570 2571 switch (priv->ep_tx_count) { 2572 case 1: 2573 if (priv->ep_tx_high_queue) { 2574 hi = TRXDMA_QUEUE_HIGH; 2575 } else if (priv->ep_tx_low_queue) { 2576 hi = TRXDMA_QUEUE_LOW; 2577 } else if (priv->ep_tx_normal_queue) { 2578 hi = TRXDMA_QUEUE_NORMAL; 2579 } else { 2580 hi = 0; 2581 ret = -EINVAL; 2582 } 2583 2584 hiq = hi; 2585 mgq = hi; 2586 bkq = hi; 2587 beq = hi; 2588 viq = hi; 2589 voq = hi; 2590 2591 hip = 0; 2592 mgp = 0; 2593 bkp = 0; 2594 bep = 0; 2595 vip = 0; 2596 vop = 0; 2597 break; 2598 case 2: 2599 if (priv->ep_tx_high_queue && priv->ep_tx_low_queue) { 2600 hi = TRXDMA_QUEUE_HIGH; 2601 lo = TRXDMA_QUEUE_LOW; 2602 } else if (priv->ep_tx_normal_queue && priv->ep_tx_low_queue) { 2603 hi = TRXDMA_QUEUE_NORMAL; 2604 lo = TRXDMA_QUEUE_LOW; 2605 } else if (priv->ep_tx_high_queue && priv->ep_tx_normal_queue) { 2606 hi = TRXDMA_QUEUE_HIGH; 2607 lo = TRXDMA_QUEUE_NORMAL; 2608 } else { 2609 ret = -EINVAL; 2610 hi = 0; 2611 lo = 0; 2612 } 2613 2614 hiq = hi; 2615 mgq = hi; 2616 bkq = lo; 2617 beq = lo; 2618 viq = hi; 2619 voq = hi; 2620 2621 hip = 0; 2622 mgp = 0; 2623 bkp = 1; 2624 bep = 1; 2625 vip = 0; 2626 vop = 0; 2627 break; 2628 case 3: 2629 beq = TRXDMA_QUEUE_LOW; 2630 bkq = TRXDMA_QUEUE_LOW; 2631 viq = TRXDMA_QUEUE_NORMAL; 2632 voq = TRXDMA_QUEUE_HIGH; 2633 mgq = TRXDMA_QUEUE_HIGH; 2634 hiq = TRXDMA_QUEUE_HIGH; 2635 2636 hip = hiq ^ 3; 2637 mgp = mgq ^ 3; 2638 bkp = bkq ^ 3; 2639 bep = beq ^ 3; 2640 vip = viq ^ 3; 2641 vop = viq ^ 3; 2642 break; 2643 default: 2644 ret = -EINVAL; 2645 } 2646 2647 /* 2648 * None of the vendor drivers are configuring the beacon 2649 * queue here .... why? 2650 */ 2651 if (!ret) { 2652 /* Only RTL8192F seems to do it like this. */ 2653 if (priv->rtl_chip == RTL8192F) { 2654 val32 = rtl8xxxu_read32(priv, REG_TRXDMA_CTRL); 2655 val32 &= 0x7; 2656 val32 |= (voq << TRXDMA_CTRL_VOQ_SHIFT_8192F) | 2657 (viq << TRXDMA_CTRL_VIQ_SHIFT_8192F) | 2658 (beq << TRXDMA_CTRL_BEQ_SHIFT_8192F) | 2659 (bkq << TRXDMA_CTRL_BKQ_SHIFT_8192F) | 2660 (mgq << TRXDMA_CTRL_MGQ_SHIFT_8192F) | 2661 (hiq << TRXDMA_CTRL_HIQ_SHIFT_8192F); 2662 rtl8xxxu_write32(priv, REG_TRXDMA_CTRL, val32); 2663 } else { 2664 val16 = rtl8xxxu_read16(priv, REG_TRXDMA_CTRL); 2665 val16 &= 0x7; 2666 val16 |= (voq << TRXDMA_CTRL_VOQ_SHIFT) | 2667 (viq << TRXDMA_CTRL_VIQ_SHIFT) | 2668 (beq << TRXDMA_CTRL_BEQ_SHIFT) | 2669 (bkq << TRXDMA_CTRL_BKQ_SHIFT) | 2670 (mgq << TRXDMA_CTRL_MGQ_SHIFT) | 2671 (hiq << TRXDMA_CTRL_HIQ_SHIFT); 2672 rtl8xxxu_write16(priv, REG_TRXDMA_CTRL, val16); 2673 } 2674 2675 priv->pipe_out[TXDESC_QUEUE_VO] = 2676 usb_sndbulkpipe(priv->udev, priv->out_ep[vop]); 2677 priv->pipe_out[TXDESC_QUEUE_VI] = 2678 usb_sndbulkpipe(priv->udev, priv->out_ep[vip]); 2679 priv->pipe_out[TXDESC_QUEUE_BE] = 2680 usb_sndbulkpipe(priv->udev, priv->out_ep[bep]); 2681 priv->pipe_out[TXDESC_QUEUE_BK] = 2682 usb_sndbulkpipe(priv->udev, priv->out_ep[bkp]); 2683 priv->pipe_out[TXDESC_QUEUE_BEACON] = 2684 usb_sndbulkpipe(priv->udev, priv->out_ep[0]); 2685 priv->pipe_out[TXDESC_QUEUE_MGNT] = 2686 usb_sndbulkpipe(priv->udev, priv->out_ep[mgp]); 2687 priv->pipe_out[TXDESC_QUEUE_HIGH] = 2688 usb_sndbulkpipe(priv->udev, priv->out_ep[hip]); 2689 priv->pipe_out[TXDESC_QUEUE_CMD] = 2690 usb_sndbulkpipe(priv->udev, priv->out_ep[0]); 2691 } 2692 2693 return ret; 2694 } 2695 2696 void rtl8xxxu_fill_iqk_matrix_a(struct rtl8xxxu_priv *priv, bool iqk_ok, 2697 int result[][8], int candidate, bool tx_only) 2698 { 2699 u32 oldval, x, tx0_a, reg; 2700 int y, tx0_c; 2701 u32 val32; 2702 2703 if (!iqk_ok) 2704 return; 2705 2706 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE); 2707 oldval = val32 >> 22; 2708 2709 x = result[candidate][0]; 2710 if ((x & 0x00000200) != 0) 2711 x = x | 0xfffffc00; 2712 tx0_a = (x * oldval) >> 8; 2713 2714 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE); 2715 val32 &= ~0x3ff; 2716 val32 |= tx0_a; 2717 rtl8xxxu_write32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE, val32); 2718 2719 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); 2720 val32 &= ~BIT(31); 2721 if ((x * oldval >> 7) & 0x1) 2722 val32 |= BIT(31); 2723 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); 2724 2725 y = result[candidate][1]; 2726 if ((y & 0x00000200) != 0) 2727 y = y | 0xfffffc00; 2728 tx0_c = (y * oldval) >> 8; 2729 2730 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XC_TX_AFE); 2731 val32 &= ~0xf0000000; 2732 val32 |= (((tx0_c & 0x3c0) >> 6) << 28); 2733 rtl8xxxu_write32(priv, REG_OFDM0_XC_TX_AFE, val32); 2734 2735 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE); 2736 val32 &= ~0x003f0000; 2737 val32 |= ((tx0_c & 0x3f) << 16); 2738 rtl8xxxu_write32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE, val32); 2739 2740 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); 2741 val32 &= ~BIT(29); 2742 if ((y * oldval >> 7) & 0x1) 2743 val32 |= BIT(29); 2744 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); 2745 2746 if (tx_only) { 2747 dev_dbg(&priv->udev->dev, "%s: only TX\n", __func__); 2748 return; 2749 } 2750 2751 reg = result[candidate][2]; 2752 2753 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE); 2754 val32 &= ~0x3ff; 2755 val32 |= (reg & 0x3ff); 2756 rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE, val32); 2757 2758 reg = result[candidate][3] & 0x3F; 2759 2760 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE); 2761 val32 &= ~0xfc00; 2762 val32 |= ((reg << 10) & 0xfc00); 2763 rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE, val32); 2764 2765 reg = (result[candidate][3] >> 6) & 0xF; 2766 2767 val32 = rtl8xxxu_read32(priv, REG_OFDM0_RX_IQ_EXT_ANTA); 2768 val32 &= ~0xf0000000; 2769 val32 |= (reg << 28); 2770 rtl8xxxu_write32(priv, REG_OFDM0_RX_IQ_EXT_ANTA, val32); 2771 } 2772 2773 void rtl8xxxu_fill_iqk_matrix_b(struct rtl8xxxu_priv *priv, bool iqk_ok, 2774 int result[][8], int candidate, bool tx_only) 2775 { 2776 u32 oldval, x, tx1_a, reg; 2777 int y, tx1_c; 2778 u32 val32; 2779 2780 if (!iqk_ok) 2781 return; 2782 2783 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE); 2784 oldval = val32 >> 22; 2785 2786 x = result[candidate][4]; 2787 if ((x & 0x00000200) != 0) 2788 x = x | 0xfffffc00; 2789 tx1_a = (x * oldval) >> 8; 2790 2791 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE); 2792 val32 &= ~0x3ff; 2793 val32 |= tx1_a; 2794 rtl8xxxu_write32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE, val32); 2795 2796 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); 2797 val32 &= ~BIT(27); 2798 if ((x * oldval >> 7) & 0x1) 2799 val32 |= BIT(27); 2800 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); 2801 2802 y = result[candidate][5]; 2803 if ((y & 0x00000200) != 0) 2804 y = y | 0xfffffc00; 2805 tx1_c = (y * oldval) >> 8; 2806 2807 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XD_TX_AFE); 2808 val32 &= ~0xf0000000; 2809 val32 |= (((tx1_c & 0x3c0) >> 6) << 28); 2810 rtl8xxxu_write32(priv, REG_OFDM0_XD_TX_AFE, val32); 2811 2812 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE); 2813 val32 &= ~0x003f0000; 2814 val32 |= ((tx1_c & 0x3f) << 16); 2815 rtl8xxxu_write32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE, val32); 2816 2817 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); 2818 val32 &= ~BIT(25); 2819 if ((y * oldval >> 7) & 0x1) 2820 val32 |= BIT(25); 2821 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); 2822 2823 if (tx_only) { 2824 dev_dbg(&priv->udev->dev, "%s: only TX\n", __func__); 2825 return; 2826 } 2827 2828 reg = result[candidate][6]; 2829 2830 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE); 2831 val32 &= ~0x3ff; 2832 val32 |= (reg & 0x3ff); 2833 rtl8xxxu_write32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE, val32); 2834 2835 reg = result[candidate][7] & 0x3f; 2836 2837 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE); 2838 val32 &= ~0xfc00; 2839 val32 |= ((reg << 10) & 0xfc00); 2840 rtl8xxxu_write32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE, val32); 2841 2842 reg = (result[candidate][7] >> 6) & 0xf; 2843 2844 if (priv->rtl_chip == RTL8192F) { 2845 rtl8xxxu_write32_mask(priv, REG_RXIQB_EXT, 0x000000f0, reg); 2846 } else { 2847 val32 = rtl8xxxu_read32(priv, REG_OFDM0_AGC_RSSI_TABLE); 2848 val32 &= ~0x0000f000; 2849 val32 |= (reg << 12); 2850 rtl8xxxu_write32(priv, REG_OFDM0_AGC_RSSI_TABLE, val32); 2851 } 2852 } 2853 2854 #define MAX_TOLERANCE 5 2855 2856 bool rtl8xxxu_simularity_compare(struct rtl8xxxu_priv *priv, 2857 int result[][8], int c1, int c2) 2858 { 2859 u32 i, j, diff, simubitmap, bound = 0; 2860 int candidate[2] = {-1, -1}; /* for path A and path B */ 2861 bool retval = true; 2862 2863 if (priv->tx_paths > 1) 2864 bound = 8; 2865 else 2866 bound = 4; 2867 2868 simubitmap = 0; 2869 2870 for (i = 0; i < bound; i++) { 2871 diff = (result[c1][i] > result[c2][i]) ? 2872 (result[c1][i] - result[c2][i]) : 2873 (result[c2][i] - result[c1][i]); 2874 if (diff > MAX_TOLERANCE) { 2875 if ((i == 2 || i == 6) && !simubitmap) { 2876 if (result[c1][i] + result[c1][i + 1] == 0) 2877 candidate[(i / 4)] = c2; 2878 else if (result[c2][i] + result[c2][i + 1] == 0) 2879 candidate[(i / 4)] = c1; 2880 else 2881 simubitmap = simubitmap | (1 << i); 2882 } else { 2883 simubitmap = simubitmap | (1 << i); 2884 } 2885 } 2886 } 2887 2888 if (simubitmap == 0) { 2889 for (i = 0; i < (bound / 4); i++) { 2890 if (candidate[i] >= 0) { 2891 for (j = i * 4; j < (i + 1) * 4 - 2; j++) 2892 result[3][j] = result[candidate[i]][j]; 2893 retval = false; 2894 } 2895 } 2896 return retval; 2897 } else if (!(simubitmap & 0x0f)) { 2898 /* path A OK */ 2899 for (i = 0; i < 4; i++) 2900 result[3][i] = result[c1][i]; 2901 } else if (!(simubitmap & 0xf0) && priv->tx_paths > 1) { 2902 /* path B OK */ 2903 for (i = 4; i < 8; i++) 2904 result[3][i] = result[c1][i]; 2905 } 2906 2907 return false; 2908 } 2909 2910 bool rtl8xxxu_gen2_simularity_compare(struct rtl8xxxu_priv *priv, 2911 int result[][8], int c1, int c2) 2912 { 2913 u32 i, j, diff, simubitmap, bound = 0; 2914 int candidate[2] = {-1, -1}; /* for path A and path B */ 2915 int tmp1, tmp2; 2916 bool retval = true; 2917 2918 if (priv->tx_paths > 1) 2919 bound = 8; 2920 else 2921 bound = 4; 2922 2923 simubitmap = 0; 2924 2925 for (i = 0; i < bound; i++) { 2926 if (i & 1) { 2927 if ((result[c1][i] & 0x00000200)) 2928 tmp1 = result[c1][i] | 0xfffffc00; 2929 else 2930 tmp1 = result[c1][i]; 2931 2932 if ((result[c2][i]& 0x00000200)) 2933 tmp2 = result[c2][i] | 0xfffffc00; 2934 else 2935 tmp2 = result[c2][i]; 2936 } else { 2937 tmp1 = result[c1][i]; 2938 tmp2 = result[c2][i]; 2939 } 2940 2941 diff = (tmp1 > tmp2) ? (tmp1 - tmp2) : (tmp2 - tmp1); 2942 2943 if (diff > MAX_TOLERANCE) { 2944 if ((i == 2 || i == 6) && !simubitmap) { 2945 if (result[c1][i] + result[c1][i + 1] == 0) 2946 candidate[(i / 4)] = c2; 2947 else if (result[c2][i] + result[c2][i + 1] == 0) 2948 candidate[(i / 4)] = c1; 2949 else 2950 simubitmap = simubitmap | (1 << i); 2951 } else { 2952 simubitmap = simubitmap | (1 << i); 2953 } 2954 } 2955 } 2956 2957 if (simubitmap == 0) { 2958 for (i = 0; i < (bound / 4); i++) { 2959 if (candidate[i] >= 0) { 2960 for (j = i * 4; j < (i + 1) * 4 - 2; j++) 2961 result[3][j] = result[candidate[i]][j]; 2962 retval = false; 2963 } 2964 } 2965 return retval; 2966 } else { 2967 if (!(simubitmap & 0x03)) { 2968 /* path A TX OK */ 2969 for (i = 0; i < 2; i++) 2970 result[3][i] = result[c1][i]; 2971 } 2972 2973 if (!(simubitmap & 0x0c)) { 2974 /* path A RX OK */ 2975 for (i = 2; i < 4; i++) 2976 result[3][i] = result[c1][i]; 2977 } 2978 2979 if (!(simubitmap & 0x30) && priv->tx_paths > 1) { 2980 /* path B TX OK */ 2981 for (i = 4; i < 6; i++) 2982 result[3][i] = result[c1][i]; 2983 } 2984 2985 if (!(simubitmap & 0xc0) && priv->tx_paths > 1) { 2986 /* path B RX OK */ 2987 for (i = 6; i < 8; i++) 2988 result[3][i] = result[c1][i]; 2989 } 2990 } 2991 2992 return false; 2993 } 2994 2995 void 2996 rtl8xxxu_save_mac_regs(struct rtl8xxxu_priv *priv, const u32 *reg, u32 *backup) 2997 { 2998 int i; 2999 3000 for (i = 0; i < (RTL8XXXU_MAC_REGS - 1); i++) 3001 backup[i] = rtl8xxxu_read8(priv, reg[i]); 3002 3003 backup[i] = rtl8xxxu_read32(priv, reg[i]); 3004 } 3005 3006 void rtl8xxxu_restore_mac_regs(struct rtl8xxxu_priv *priv, 3007 const u32 *reg, u32 *backup) 3008 { 3009 int i; 3010 3011 for (i = 0; i < (RTL8XXXU_MAC_REGS - 1); i++) 3012 rtl8xxxu_write8(priv, reg[i], backup[i]); 3013 3014 rtl8xxxu_write32(priv, reg[i], backup[i]); 3015 } 3016 3017 void rtl8xxxu_save_regs(struct rtl8xxxu_priv *priv, const u32 *regs, 3018 u32 *backup, int count) 3019 { 3020 int i; 3021 3022 for (i = 0; i < count; i++) 3023 backup[i] = rtl8xxxu_read32(priv, regs[i]); 3024 } 3025 3026 void rtl8xxxu_restore_regs(struct rtl8xxxu_priv *priv, const u32 *regs, 3027 u32 *backup, int count) 3028 { 3029 int i; 3030 3031 for (i = 0; i < count; i++) 3032 rtl8xxxu_write32(priv, regs[i], backup[i]); 3033 } 3034 3035 3036 void rtl8xxxu_path_adda_on(struct rtl8xxxu_priv *priv, const u32 *regs, 3037 bool path_a_on) 3038 { 3039 u32 path_on; 3040 int i; 3041 3042 if (priv->tx_paths == 1) { 3043 path_on = priv->fops->adda_1t_path_on; 3044 rtl8xxxu_write32(priv, regs[0], priv->fops->adda_1t_init); 3045 } else { 3046 path_on = path_a_on ? priv->fops->adda_2t_path_on_a : 3047 priv->fops->adda_2t_path_on_b; 3048 3049 rtl8xxxu_write32(priv, regs[0], path_on); 3050 } 3051 3052 for (i = 1 ; i < RTL8XXXU_ADDA_REGS ; i++) 3053 rtl8xxxu_write32(priv, regs[i], path_on); 3054 } 3055 3056 void rtl8xxxu_mac_calibration(struct rtl8xxxu_priv *priv, 3057 const u32 *regs, u32 *backup) 3058 { 3059 int i = 0; 3060 3061 rtl8xxxu_write8(priv, regs[i], 0x3f); 3062 3063 for (i = 1 ; i < (RTL8XXXU_MAC_REGS - 1); i++) 3064 rtl8xxxu_write8(priv, regs[i], (u8)(backup[i] & ~BIT(3))); 3065 3066 rtl8xxxu_write8(priv, regs[i], (u8)(backup[i] & ~BIT(5))); 3067 } 3068 3069 static int rtl8xxxu_iqk_path_a(struct rtl8xxxu_priv *priv) 3070 { 3071 u32 reg_eac, reg_e94, reg_e9c, reg_ea4, val32; 3072 int result = 0; 3073 3074 /* path-A IQK setting */ 3075 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x10008c1f); 3076 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x10008c1f); 3077 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82140102); 3078 3079 val32 = (priv->rf_paths > 1) ? 0x28160202 : 3080 /*IS_81xxC_VENDOR_UMC_B_CUT(pHalData->VersionID)?0x28160202: */ 3081 0x28160502; 3082 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, val32); 3083 3084 /* path-B IQK setting */ 3085 if (priv->rf_paths > 1) { 3086 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x10008c22); 3087 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x10008c22); 3088 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82140102); 3089 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28160202); 3090 } 3091 3092 /* LO calibration setting */ 3093 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x001028d1); 3094 3095 /* One shot, path A LOK & IQK */ 3096 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); 3097 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 3098 3099 mdelay(1); 3100 3101 /* Check failed */ 3102 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 3103 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); 3104 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); 3105 reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2); 3106 3107 if (!(reg_eac & BIT(28)) && 3108 ((reg_e94 & 0x03ff0000) != 0x01420000) && 3109 ((reg_e9c & 0x03ff0000) != 0x00420000)) 3110 result |= 0x01; 3111 else /* If TX not OK, ignore RX */ 3112 goto out; 3113 3114 /* If TX is OK, check whether RX is OK */ 3115 if (!(reg_eac & BIT(27)) && 3116 ((reg_ea4 & 0x03ff0000) != 0x01320000) && 3117 ((reg_eac & 0x03ff0000) != 0x00360000)) 3118 result |= 0x02; 3119 else 3120 dev_warn(&priv->udev->dev, "%s: Path A RX IQK failed!\n", 3121 __func__); 3122 out: 3123 return result; 3124 } 3125 3126 static int rtl8xxxu_iqk_path_b(struct rtl8xxxu_priv *priv) 3127 { 3128 u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc; 3129 int result = 0; 3130 3131 /* One shot, path B LOK & IQK */ 3132 rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000002); 3133 rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000000); 3134 3135 mdelay(1); 3136 3137 /* Check failed */ 3138 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 3139 reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 3140 reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 3141 reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2); 3142 reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2); 3143 3144 if (!(reg_eac & BIT(31)) && 3145 ((reg_eb4 & 0x03ff0000) != 0x01420000) && 3146 ((reg_ebc & 0x03ff0000) != 0x00420000)) 3147 result |= 0x01; 3148 else 3149 goto out; 3150 3151 if (!(reg_eac & BIT(30)) && 3152 (((reg_ec4 & 0x03ff0000) >> 16) != 0x132) && 3153 (((reg_ecc & 0x03ff0000) >> 16) != 0x36)) 3154 result |= 0x02; 3155 else 3156 dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n", 3157 __func__); 3158 out: 3159 return result; 3160 } 3161 3162 static void rtl8xxxu_phy_iqcalibrate(struct rtl8xxxu_priv *priv, 3163 int result[][8], int t) 3164 { 3165 struct device *dev = &priv->udev->dev; 3166 u32 i, val32; 3167 int path_a_ok, path_b_ok; 3168 int retry = 2; 3169 static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = { 3170 REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH, 3171 REG_RX_WAIT_CCA, REG_TX_CCK_RFON, 3172 REG_TX_CCK_BBON, REG_TX_OFDM_RFON, 3173 REG_TX_OFDM_BBON, REG_TX_TO_RX, 3174 REG_TX_TO_TX, REG_RX_CCK, 3175 REG_RX_OFDM, REG_RX_WAIT_RIFS, 3176 REG_RX_TO_RX, REG_STANDBY, 3177 REG_SLEEP, REG_PMPD_ANAEN 3178 }; 3179 static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = { 3180 REG_TXPAUSE, REG_BEACON_CTRL, 3181 REG_BEACON_CTRL_1, REG_GPIO_MUXCFG 3182 }; 3183 static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = { 3184 REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR, 3185 REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B, 3186 REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE, 3187 REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE 3188 }; 3189 3190 /* 3191 * Note: IQ calibration must be performed after loading 3192 * PHY_REG.txt , and radio_a, radio_b.txt 3193 */ 3194 3195 if (t == 0) { 3196 /* Save ADDA parameters, turn Path A ADDA on */ 3197 rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup, 3198 RTL8XXXU_ADDA_REGS); 3199 rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 3200 rtl8xxxu_save_regs(priv, iqk_bb_regs, 3201 priv->bb_backup, RTL8XXXU_BB_REGS); 3202 } 3203 3204 rtl8xxxu_path_adda_on(priv, adda_regs, true); 3205 3206 if (t == 0) { 3207 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM1); 3208 if (val32 & FPGA0_HSSI_PARM1_PI) 3209 priv->pi_enabled = 1; 3210 } 3211 3212 if (!priv->pi_enabled) { 3213 /* Switch BB to PI mode to do IQ Calibration. */ 3214 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, 0x01000100); 3215 rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, 0x01000100); 3216 } 3217 3218 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 3219 val32 &= ~FPGA_RF_MODE_CCK; 3220 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 3221 3222 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600); 3223 rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4); 3224 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000); 3225 3226 if (!priv->no_pape) { 3227 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL); 3228 val32 |= (FPGA0_RF_PAPE | 3229 (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); 3230 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); 3231 } 3232 3233 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE); 3234 val32 &= ~BIT(10); 3235 rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, val32); 3236 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE); 3237 val32 &= ~BIT(10); 3238 rtl8xxxu_write32(priv, REG_FPGA0_XB_RF_INT_OE, val32); 3239 3240 if (priv->tx_paths > 1) { 3241 rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00010000); 3242 rtl8xxxu_write32(priv, REG_FPGA0_XB_LSSI_PARM, 0x00010000); 3243 } 3244 3245 /* MAC settings */ 3246 rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup); 3247 3248 /* Page B init */ 3249 rtl8xxxu_write32(priv, REG_CONFIG_ANT_A, 0x00080000); 3250 3251 if (priv->tx_paths > 1) 3252 rtl8xxxu_write32(priv, REG_CONFIG_ANT_B, 0x00080000); 3253 3254 /* IQ calibration setting */ 3255 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 3256 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 3257 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 3258 3259 for (i = 0; i < retry; i++) { 3260 path_a_ok = rtl8xxxu_iqk_path_a(priv); 3261 if (path_a_ok == 0x03) { 3262 val32 = rtl8xxxu_read32(priv, 3263 REG_TX_POWER_BEFORE_IQK_A); 3264 result[t][0] = (val32 >> 16) & 0x3ff; 3265 val32 = rtl8xxxu_read32(priv, 3266 REG_TX_POWER_AFTER_IQK_A); 3267 result[t][1] = (val32 >> 16) & 0x3ff; 3268 val32 = rtl8xxxu_read32(priv, 3269 REG_RX_POWER_BEFORE_IQK_A_2); 3270 result[t][2] = (val32 >> 16) & 0x3ff; 3271 val32 = rtl8xxxu_read32(priv, 3272 REG_RX_POWER_AFTER_IQK_A_2); 3273 result[t][3] = (val32 >> 16) & 0x3ff; 3274 break; 3275 } else if (i == (retry - 1) && path_a_ok == 0x01) { 3276 /* TX IQK OK */ 3277 dev_dbg(dev, "%s: Path A IQK Only Tx Success!!\n", 3278 __func__); 3279 3280 val32 = rtl8xxxu_read32(priv, 3281 REG_TX_POWER_BEFORE_IQK_A); 3282 result[t][0] = (val32 >> 16) & 0x3ff; 3283 val32 = rtl8xxxu_read32(priv, 3284 REG_TX_POWER_AFTER_IQK_A); 3285 result[t][1] = (val32 >> 16) & 0x3ff; 3286 } 3287 } 3288 3289 if (!path_a_ok) 3290 dev_dbg(dev, "%s: Path A IQK failed!\n", __func__); 3291 3292 if (priv->tx_paths > 1) { 3293 /* 3294 * Path A into standby 3295 */ 3296 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x0); 3297 rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00010000); 3298 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 3299 3300 /* Turn Path B ADDA on */ 3301 rtl8xxxu_path_adda_on(priv, adda_regs, false); 3302 3303 for (i = 0; i < retry; i++) { 3304 path_b_ok = rtl8xxxu_iqk_path_b(priv); 3305 if (path_b_ok == 0x03) { 3306 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 3307 result[t][4] = (val32 >> 16) & 0x3ff; 3308 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 3309 result[t][5] = (val32 >> 16) & 0x3ff; 3310 val32 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2); 3311 result[t][6] = (val32 >> 16) & 0x3ff; 3312 val32 = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2); 3313 result[t][7] = (val32 >> 16) & 0x3ff; 3314 break; 3315 } else if (i == (retry - 1) && path_b_ok == 0x01) { 3316 /* TX IQK OK */ 3317 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 3318 result[t][4] = (val32 >> 16) & 0x3ff; 3319 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 3320 result[t][5] = (val32 >> 16) & 0x3ff; 3321 } 3322 } 3323 3324 if (!path_b_ok) 3325 dev_dbg(dev, "%s: Path B IQK failed!\n", __func__); 3326 } 3327 3328 /* Back to BB mode, load original value */ 3329 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0); 3330 3331 if (t) { 3332 if (!priv->pi_enabled) { 3333 /* 3334 * Switch back BB to SI mode after finishing 3335 * IQ Calibration 3336 */ 3337 val32 = 0x01000000; 3338 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, val32); 3339 rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, val32); 3340 } 3341 3342 /* Reload ADDA power saving parameters */ 3343 rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup, 3344 RTL8XXXU_ADDA_REGS); 3345 3346 /* Reload MAC parameters */ 3347 rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 3348 3349 /* Reload BB parameters */ 3350 rtl8xxxu_restore_regs(priv, iqk_bb_regs, 3351 priv->bb_backup, RTL8XXXU_BB_REGS); 3352 3353 /* Restore RX initial gain */ 3354 rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00032ed3); 3355 3356 if (priv->tx_paths > 1) { 3357 rtl8xxxu_write32(priv, REG_FPGA0_XB_LSSI_PARM, 3358 0x00032ed3); 3359 } 3360 3361 /* Load 0xe30 IQC default value */ 3362 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00); 3363 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00); 3364 } 3365 } 3366 3367 void rtl8xxxu_gen2_prepare_calibrate(struct rtl8xxxu_priv *priv, u8 start) 3368 { 3369 struct h2c_cmd h2c; 3370 3371 memset(&h2c, 0, sizeof(struct h2c_cmd)); 3372 h2c.bt_wlan_calibration.cmd = H2C_8723B_BT_WLAN_CALIBRATION; 3373 h2c.bt_wlan_calibration.data = start; 3374 3375 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_wlan_calibration)); 3376 } 3377 3378 void rtl8xxxu_gen1_phy_iq_calibrate(struct rtl8xxxu_priv *priv) 3379 { 3380 struct device *dev = &priv->udev->dev; 3381 int result[4][8]; /* last is final result */ 3382 int i, candidate; 3383 bool path_a_ok, path_b_ok; 3384 u32 reg_e94, reg_e9c, reg_ea4, reg_eac; 3385 u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc; 3386 s32 reg_tmp = 0; 3387 bool simu; 3388 3389 memset(result, 0, sizeof(result)); 3390 candidate = -1; 3391 3392 path_a_ok = false; 3393 path_b_ok = false; 3394 3395 rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 3396 3397 for (i = 0; i < 3; i++) { 3398 rtl8xxxu_phy_iqcalibrate(priv, result, i); 3399 3400 if (i == 1) { 3401 simu = rtl8xxxu_simularity_compare(priv, result, 0, 1); 3402 if (simu) { 3403 candidate = 0; 3404 break; 3405 } 3406 } 3407 3408 if (i == 2) { 3409 simu = rtl8xxxu_simularity_compare(priv, result, 0, 2); 3410 if (simu) { 3411 candidate = 0; 3412 break; 3413 } 3414 3415 simu = rtl8xxxu_simularity_compare(priv, result, 1, 2); 3416 if (simu) { 3417 candidate = 1; 3418 } else { 3419 for (i = 0; i < 8; i++) 3420 reg_tmp += result[3][i]; 3421 3422 if (reg_tmp) 3423 candidate = 3; 3424 else 3425 candidate = -1; 3426 } 3427 } 3428 } 3429 3430 for (i = 0; i < 4; i++) { 3431 reg_e94 = result[i][0]; 3432 reg_e9c = result[i][1]; 3433 reg_ea4 = result[i][2]; 3434 reg_eac = result[i][3]; 3435 reg_eb4 = result[i][4]; 3436 reg_ebc = result[i][5]; 3437 reg_ec4 = result[i][6]; 3438 reg_ecc = result[i][7]; 3439 } 3440 3441 if (candidate >= 0) { 3442 reg_e94 = result[candidate][0]; 3443 priv->rege94 = reg_e94; 3444 reg_e9c = result[candidate][1]; 3445 priv->rege9c = reg_e9c; 3446 reg_ea4 = result[candidate][2]; 3447 reg_eac = result[candidate][3]; 3448 reg_eb4 = result[candidate][4]; 3449 priv->regeb4 = reg_eb4; 3450 reg_ebc = result[candidate][5]; 3451 priv->regebc = reg_ebc; 3452 reg_ec4 = result[candidate][6]; 3453 reg_ecc = result[candidate][7]; 3454 dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate); 3455 dev_dbg(dev, 3456 "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n", 3457 __func__, reg_e94, reg_e9c, 3458 reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc); 3459 path_a_ok = true; 3460 path_b_ok = true; 3461 } else { 3462 reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100; 3463 reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0; 3464 } 3465 3466 if (reg_e94 && candidate >= 0) 3467 rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result, 3468 candidate, (reg_ea4 == 0)); 3469 3470 if (priv->tx_paths > 1 && reg_eb4) 3471 rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result, 3472 candidate, (reg_ec4 == 0)); 3473 3474 rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg, 3475 priv->bb_recovery_backup, RTL8XXXU_BB_REGS); 3476 } 3477 3478 void rtl8723a_phy_lc_calibrate(struct rtl8xxxu_priv *priv) 3479 { 3480 u32 val32; 3481 u32 rf_amode, rf_bmode = 0, lstf; 3482 3483 /* Check continuous TX and Packet TX */ 3484 lstf = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); 3485 3486 if (lstf & OFDM_LSTF_MASK) { 3487 /* Disable all continuous TX */ 3488 val32 = lstf & ~OFDM_LSTF_MASK; 3489 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); 3490 3491 /* Read original RF mode Path A */ 3492 rf_amode = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_AC); 3493 3494 /* Set RF mode to standby Path A */ 3495 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 3496 (rf_amode & 0x8ffff) | 0x10000); 3497 3498 /* Path-B */ 3499 if (priv->tx_paths > 1) { 3500 rf_bmode = rtl8xxxu_read_rfreg(priv, RF_B, 3501 RF6052_REG_AC); 3502 3503 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 3504 (rf_bmode & 0x8ffff) | 0x10000); 3505 } 3506 } else { 3507 /* Deal with Packet TX case */ 3508 /* block all queues */ 3509 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 3510 } 3511 3512 /* Start LC calibration */ 3513 if (priv->fops->has_s0s1) 3514 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, 0xdfbe0); 3515 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG); 3516 val32 |= 0x08000; 3517 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, val32); 3518 3519 msleep(100); 3520 3521 if (priv->fops->has_s0s1) 3522 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, 0xdffe0); 3523 3524 /* Restore original parameters */ 3525 if (lstf & OFDM_LSTF_MASK) { 3526 /* Path-A */ 3527 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, lstf); 3528 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, rf_amode); 3529 3530 /* Path-B */ 3531 if (priv->tx_paths > 1) 3532 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 3533 rf_bmode); 3534 } else /* Deal with Packet TX case */ 3535 rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00); 3536 } 3537 3538 static int rtl8xxxu_set_mac(struct rtl8xxxu_priv *priv, int port_num) 3539 { 3540 int i; 3541 u16 reg; 3542 3543 switch (port_num) { 3544 case 0: 3545 reg = REG_MACID; 3546 break; 3547 case 1: 3548 reg = REG_MACID1; 3549 break; 3550 default: 3551 WARN_ONCE(1, "%s: invalid port_num\n", __func__); 3552 return -EINVAL; 3553 } 3554 3555 for (i = 0; i < ETH_ALEN; i++) 3556 rtl8xxxu_write8(priv, reg + i, priv->vifs[port_num]->addr[i]); 3557 3558 return 0; 3559 } 3560 3561 static int rtl8xxxu_set_bssid(struct rtl8xxxu_priv *priv, const u8 *bssid, int port_num) 3562 { 3563 int i; 3564 u16 reg; 3565 3566 dev_dbg(&priv->udev->dev, "%s: (%pM)\n", __func__, bssid); 3567 3568 switch (port_num) { 3569 case 0: 3570 reg = REG_BSSID; 3571 break; 3572 case 1: 3573 reg = REG_BSSID1; 3574 break; 3575 default: 3576 WARN_ONCE(1, "%s: invalid port_num\n", __func__); 3577 return -EINVAL; 3578 } 3579 3580 for (i = 0; i < ETH_ALEN; i++) 3581 rtl8xxxu_write8(priv, reg + i, bssid[i]); 3582 3583 return 0; 3584 } 3585 3586 static void 3587 rtl8xxxu_set_ampdu_factor(struct rtl8xxxu_priv *priv, u8 ampdu_factor) 3588 { 3589 u8 vals[4] = { 0x41, 0xa8, 0x72, 0xb9 }; 3590 u8 max_agg = 0xf; 3591 int i; 3592 3593 ampdu_factor = 1 << (ampdu_factor + 2); 3594 if (ampdu_factor > max_agg) 3595 ampdu_factor = max_agg; 3596 3597 for (i = 0; i < 4; i++) { 3598 if ((vals[i] & 0xf0) > (ampdu_factor << 4)) 3599 vals[i] = (vals[i] & 0x0f) | (ampdu_factor << 4); 3600 3601 if ((vals[i] & 0x0f) > ampdu_factor) 3602 vals[i] = (vals[i] & 0xf0) | ampdu_factor; 3603 3604 rtl8xxxu_write8(priv, REG_AGGLEN_LMT + i, vals[i]); 3605 } 3606 } 3607 3608 static void rtl8xxxu_set_ampdu_min_space(struct rtl8xxxu_priv *priv, u8 density) 3609 { 3610 u8 val8; 3611 3612 val8 = rtl8xxxu_read8(priv, REG_AMPDU_MIN_SPACE); 3613 val8 &= 0xf8; 3614 val8 |= density; 3615 rtl8xxxu_write8(priv, REG_AMPDU_MIN_SPACE, val8); 3616 } 3617 3618 static int rtl8xxxu_active_to_emu(struct rtl8xxxu_priv *priv) 3619 { 3620 u8 val8; 3621 int count, ret = 0; 3622 3623 /* Start of rtl8723AU_card_enable_flow */ 3624 /* Act to Cardemu sequence*/ 3625 /* Turn off RF */ 3626 rtl8xxxu_write8(priv, REG_RF_CTRL, 0); 3627 3628 /* 0x004E[7] = 0, switch DPDT_SEL_P output from register 0x0065[2] */ 3629 val8 = rtl8xxxu_read8(priv, REG_LEDCFG2); 3630 val8 &= ~LEDCFG2_DPDT_SELECT; 3631 rtl8xxxu_write8(priv, REG_LEDCFG2, val8); 3632 3633 /* 0x0005[1] = 1 turn off MAC by HW state machine*/ 3634 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3635 val8 |= BIT(1); 3636 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3637 3638 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 3639 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3640 if ((val8 & BIT(1)) == 0) 3641 break; 3642 udelay(10); 3643 } 3644 3645 if (!count) { 3646 dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n", 3647 __func__); 3648 ret = -EBUSY; 3649 goto exit; 3650 } 3651 3652 /* 0x0000[5] = 1 analog Ips to digital, 1:isolation */ 3653 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL); 3654 val8 |= SYS_ISO_ANALOG_IPS; 3655 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8); 3656 3657 /* 0x0020[0] = 0 disable LDOA12 MACRO block*/ 3658 val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL); 3659 val8 &= ~LDOA15_ENABLE; 3660 rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8); 3661 3662 exit: 3663 return ret; 3664 } 3665 3666 int rtl8xxxu_active_to_lps(struct rtl8xxxu_priv *priv) 3667 { 3668 u8 val8; 3669 u8 val32; 3670 int count, ret = 0; 3671 3672 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 3673 3674 /* 3675 * Poll - wait for RX packet to complete 3676 */ 3677 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 3678 val32 = rtl8xxxu_read32(priv, 0x5f8); 3679 if (!val32) 3680 break; 3681 udelay(10); 3682 } 3683 3684 if (!count) { 3685 dev_warn(&priv->udev->dev, 3686 "%s: RX poll timed out (0x05f8)\n", __func__); 3687 ret = -EBUSY; 3688 goto exit; 3689 } 3690 3691 /* Disable CCK and OFDM, clock gated */ 3692 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); 3693 val8 &= ~SYS_FUNC_BBRSTB; 3694 rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); 3695 3696 udelay(2); 3697 3698 /* Reset baseband */ 3699 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); 3700 val8 &= ~SYS_FUNC_BB_GLB_RSTN; 3701 rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); 3702 3703 /* Reset MAC TRX */ 3704 val8 = rtl8xxxu_read8(priv, REG_CR); 3705 val8 = CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE; 3706 rtl8xxxu_write8(priv, REG_CR, val8); 3707 3708 /* Reset MAC TRX */ 3709 val8 = rtl8xxxu_read8(priv, REG_CR + 1); 3710 val8 &= ~BIT(1); /* CR_SECURITY_ENABLE */ 3711 rtl8xxxu_write8(priv, REG_CR + 1, val8); 3712 3713 /* Respond TX OK to scheduler */ 3714 val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST); 3715 val8 |= DUAL_TSF_TX_OK; 3716 rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8); 3717 3718 exit: 3719 return ret; 3720 } 3721 3722 void rtl8xxxu_disabled_to_emu(struct rtl8xxxu_priv *priv) 3723 { 3724 u8 val8; 3725 3726 /* Clear suspend enable and power down enable*/ 3727 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3728 val8 &= ~(BIT(3) | BIT(7)); 3729 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3730 3731 /* 0x48[16] = 0 to disable GPIO9 as EXT WAKEUP*/ 3732 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2); 3733 val8 &= ~BIT(0); 3734 rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8); 3735 3736 /* 0x04[12:11] = 11 enable WL suspend*/ 3737 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3738 val8 &= ~(BIT(3) | BIT(4)); 3739 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3740 } 3741 3742 static int rtl8xxxu_emu_to_disabled(struct rtl8xxxu_priv *priv) 3743 { 3744 u8 val8; 3745 3746 /* 0x0007[7:0] = 0x20 SOP option to disable BG/MB */ 3747 rtl8xxxu_write8(priv, REG_APS_FSMCO + 3, 0x20); 3748 3749 /* 0x04[12:11] = 01 enable WL suspend */ 3750 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3751 val8 &= ~BIT(4); 3752 val8 |= BIT(3); 3753 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3754 3755 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3756 val8 |= BIT(7); 3757 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3758 3759 /* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */ 3760 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2); 3761 val8 |= BIT(0); 3762 rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8); 3763 3764 return 0; 3765 } 3766 3767 int rtl8xxxu_flush_fifo(struct rtl8xxxu_priv *priv) 3768 { 3769 struct device *dev = &priv->udev->dev; 3770 u32 val32; 3771 int retry, retval; 3772 3773 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 3774 3775 val32 = rtl8xxxu_read32(priv, REG_RXPKT_NUM); 3776 val32 |= RXPKT_NUM_RW_RELEASE_EN; 3777 rtl8xxxu_write32(priv, REG_RXPKT_NUM, val32); 3778 3779 retry = 100; 3780 retval = -EBUSY; 3781 3782 do { 3783 val32 = rtl8xxxu_read32(priv, REG_RXPKT_NUM); 3784 if (val32 & RXPKT_NUM_RXDMA_IDLE) { 3785 retval = 0; 3786 break; 3787 } 3788 } while (retry--); 3789 3790 rtl8xxxu_write16(priv, REG_RQPN_NPQ, 0); 3791 rtl8xxxu_write32(priv, REG_RQPN, 0x80000000); 3792 mdelay(2); 3793 3794 if (!retry) 3795 dev_warn(dev, "Failed to flush FIFO\n"); 3796 3797 return retval; 3798 } 3799 3800 void rtl8xxxu_gen1_usb_quirks(struct rtl8xxxu_priv *priv) 3801 { 3802 /* Fix USB interface interference issue */ 3803 rtl8xxxu_write8(priv, 0xfe40, 0xe0); 3804 rtl8xxxu_write8(priv, 0xfe41, 0x8d); 3805 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3806 /* 3807 * This sets TXDMA_OFFSET_DROP_DATA_EN (bit 9) as well as bits 3808 * 8 and 5, for which I have found no documentation. 3809 */ 3810 rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, 0xfd0320); 3811 3812 /* 3813 * Solve too many protocol error on USB bus. 3814 * Can't do this for 8188/8192 UMC A cut parts 3815 */ 3816 if (!(!priv->chip_cut && priv->vendor_umc)) { 3817 rtl8xxxu_write8(priv, 0xfe40, 0xe6); 3818 rtl8xxxu_write8(priv, 0xfe41, 0x94); 3819 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3820 3821 rtl8xxxu_write8(priv, 0xfe40, 0xe0); 3822 rtl8xxxu_write8(priv, 0xfe41, 0x19); 3823 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3824 3825 rtl8xxxu_write8(priv, 0xfe40, 0xe5); 3826 rtl8xxxu_write8(priv, 0xfe41, 0x91); 3827 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3828 3829 rtl8xxxu_write8(priv, 0xfe40, 0xe2); 3830 rtl8xxxu_write8(priv, 0xfe41, 0x81); 3831 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3832 } 3833 } 3834 3835 void rtl8xxxu_gen2_usb_quirks(struct rtl8xxxu_priv *priv) 3836 { 3837 u32 val32; 3838 3839 val32 = rtl8xxxu_read32(priv, REG_TXDMA_OFFSET_CHK); 3840 val32 |= TXDMA_OFFSET_DROP_DATA_EN; 3841 rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, val32); 3842 } 3843 3844 void rtl8xxxu_power_off(struct rtl8xxxu_priv *priv) 3845 { 3846 u8 val8; 3847 u16 val16; 3848 u32 val32; 3849 3850 /* 3851 * Workaround for 8188RU LNA power leakage problem. 3852 */ 3853 if (priv->rtl_chip == RTL8188R) { 3854 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XCD_RF_PARM); 3855 val32 |= BIT(1); 3856 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_PARM, val32); 3857 } 3858 3859 rtl8xxxu_flush_fifo(priv); 3860 3861 rtl8xxxu_active_to_lps(priv); 3862 3863 /* Turn off RF */ 3864 rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00); 3865 3866 /* Reset Firmware if running in RAM */ 3867 if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL) 3868 rtl8xxxu_firmware_self_reset(priv); 3869 3870 /* Reset MCU */ 3871 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 3872 val16 &= ~SYS_FUNC_CPU_ENABLE; 3873 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 3874 3875 /* Reset MCU ready status */ 3876 rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); 3877 3878 rtl8xxxu_active_to_emu(priv); 3879 rtl8xxxu_emu_to_disabled(priv); 3880 3881 /* Reset MCU IO Wrapper */ 3882 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 3883 val8 &= ~BIT(0); 3884 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 3885 3886 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 3887 val8 |= BIT(0); 3888 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 3889 3890 /* RSV_CTRL 0x1C[7:0] = 0x0e lock ISO/CLK/Power control register */ 3891 rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0e); 3892 } 3893 3894 void rtl8723bu_set_ps_tdma(struct rtl8xxxu_priv *priv, 3895 u8 arg1, u8 arg2, u8 arg3, u8 arg4, u8 arg5) 3896 { 3897 struct h2c_cmd h2c; 3898 3899 memset(&h2c, 0, sizeof(struct h2c_cmd)); 3900 h2c.b_type_dma.cmd = H2C_8723B_B_TYPE_TDMA; 3901 h2c.b_type_dma.data1 = arg1; 3902 h2c.b_type_dma.data2 = arg2; 3903 h2c.b_type_dma.data3 = arg3; 3904 h2c.b_type_dma.data4 = arg4; 3905 h2c.b_type_dma.data5 = arg5; 3906 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.b_type_dma)); 3907 } 3908 3909 void rtl8xxxu_gen2_disable_rf(struct rtl8xxxu_priv *priv) 3910 { 3911 u32 val32; 3912 3913 val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA); 3914 val32 &= ~(BIT(22) | BIT(23)); 3915 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32); 3916 } 3917 3918 static void rtl8xxxu_init_queue_reserved_page(struct rtl8xxxu_priv *priv) 3919 { 3920 struct rtl8xxxu_fileops *fops = priv->fops; 3921 u32 hq, lq, nq, eq, pubq; 3922 u32 val32; 3923 3924 hq = 0; 3925 lq = 0; 3926 nq = 0; 3927 eq = 0; 3928 pubq = 0; 3929 3930 if (priv->ep_tx_high_queue) 3931 hq = fops->page_num_hi; 3932 if (priv->ep_tx_low_queue) 3933 lq = fops->page_num_lo; 3934 if (priv->ep_tx_normal_queue) 3935 nq = fops->page_num_norm; 3936 3937 val32 = (nq << RQPN_NPQ_SHIFT) | (eq << RQPN_EPQ_SHIFT); 3938 rtl8xxxu_write32(priv, REG_RQPN_NPQ, val32); 3939 3940 pubq = fops->total_page_num - hq - lq - nq - 1; 3941 3942 val32 = RQPN_LOAD; 3943 val32 |= (hq << RQPN_HI_PQ_SHIFT); 3944 val32 |= (lq << RQPN_LO_PQ_SHIFT); 3945 val32 |= (pubq << RQPN_PUB_PQ_SHIFT); 3946 3947 rtl8xxxu_write32(priv, REG_RQPN, val32); 3948 } 3949 3950 void rtl8xxxu_init_burst(struct rtl8xxxu_priv *priv) 3951 { 3952 u8 val8; 3953 3954 /* 3955 * For USB high speed set 512B packets 3956 */ 3957 val8 = rtl8xxxu_read8(priv, REG_RXDMA_PRO_8723B); 3958 u8p_replace_bits(&val8, 1, RXDMA_PRO_DMA_BURST_SIZE); 3959 u8p_replace_bits(&val8, 3, RXDMA_PRO_DMA_BURST_CNT); 3960 val8 |= RXDMA_PRO_DMA_MODE; 3961 rtl8xxxu_write8(priv, REG_RXDMA_PRO_8723B, val8); 3962 3963 /* 3964 * Enable single packet AMPDU 3965 */ 3966 val8 = rtl8xxxu_read8(priv, REG_HT_SINGLE_AMPDU_8723B); 3967 val8 |= HT_SINGLE_AMPDU_ENABLE; 3968 rtl8xxxu_write8(priv, REG_HT_SINGLE_AMPDU_8723B, val8); 3969 3970 rtl8xxxu_write16(priv, REG_MAX_AGGR_NUM, priv->fops->max_aggr_num); 3971 rtl8xxxu_write8(priv, REG_AMPDU_MAX_TIME_8723B, 3972 priv->fops->ampdu_max_time); 3973 rtl8xxxu_write32(priv, REG_AGGLEN_LMT, 0xffffffff); 3974 rtl8xxxu_write8(priv, REG_RX_PKT_LIMIT, 0x18); 3975 rtl8xxxu_write8(priv, REG_PIFS, 0x00); 3976 if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8710B || 3977 priv->rtl_chip == RTL8192F) { 3978 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL, FWHW_TXQ_CTRL_AMPDU_RETRY); 3979 rtl8xxxu_write32(priv, REG_FAST_EDCA_CTRL, 0x03086666); 3980 } 3981 rtl8xxxu_write8(priv, REG_USTIME_TSF_8723B, priv->fops->ustime_tsf_edca); 3982 rtl8xxxu_write8(priv, REG_USTIME_EDCA, priv->fops->ustime_tsf_edca); 3983 3984 /* to prevent mac is reseted by bus. */ 3985 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL); 3986 val8 |= RSV_CTRL_WLOCK_1C | RSV_CTRL_DIS_PRST; 3987 rtl8xxxu_write8(priv, REG_RSV_CTRL, val8); 3988 } 3989 3990 static u8 rtl8xxxu_acquire_macid(struct rtl8xxxu_priv *priv) 3991 { 3992 u8 macid; 3993 3994 macid = find_first_zero_bit(priv->mac_id_map, RTL8XXXU_MAX_MAC_ID_NUM); 3995 if (macid < RTL8XXXU_MAX_MAC_ID_NUM) 3996 set_bit(macid, priv->mac_id_map); 3997 3998 return macid; 3999 } 4000 4001 static void rtl8xxxu_release_macid(struct rtl8xxxu_priv *priv, u8 macid) 4002 { 4003 clear_bit(macid, priv->mac_id_map); 4004 } 4005 4006 static inline u8 rtl8xxxu_get_macid(struct rtl8xxxu_priv *priv, 4007 struct ieee80211_sta *sta) 4008 { 4009 struct rtl8xxxu_sta_info *sta_info; 4010 4011 if (!sta) 4012 return 0; 4013 4014 sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 4015 if (!sta_info) 4016 return 0; 4017 4018 return sta_info->macid; 4019 } 4020 4021 static int rtl8xxxu_init_device(struct ieee80211_hw *hw) 4022 { 4023 struct rtl8xxxu_priv *priv = hw->priv; 4024 struct device *dev = &priv->udev->dev; 4025 struct rtl8xxxu_fileops *fops = priv->fops; 4026 bool macpower; 4027 int ret; 4028 u8 val8; 4029 u16 val16; 4030 u32 val32; 4031 4032 /* Check if MAC is already powered on */ 4033 val8 = rtl8xxxu_read8(priv, REG_CR); 4034 val16 = rtl8xxxu_read16(priv, REG_SYS_CLKR); 4035 4036 /* 4037 * Fix 92DU-VC S3 hang with the reason is that secondary mac is not 4038 * initialized. First MAC returns 0xea, second MAC returns 0x00 4039 */ 4040 if (val8 == 0xea || !(val16 & SYS_CLK_MAC_CLK_ENABLE)) 4041 macpower = false; 4042 else 4043 macpower = true; 4044 4045 if (fops->needs_full_init) 4046 macpower = false; 4047 4048 ret = fops->power_on(priv); 4049 if (ret < 0) { 4050 dev_warn(dev, "%s: Failed power on\n", __func__); 4051 goto exit; 4052 } 4053 4054 if (!macpower) 4055 rtl8xxxu_init_queue_reserved_page(priv); 4056 4057 ret = rtl8xxxu_init_queue_priority(priv); 4058 dev_dbg(dev, "%s: init_queue_priority %i\n", __func__, ret); 4059 if (ret) 4060 goto exit; 4061 4062 /* 4063 * Set RX page boundary 4064 */ 4065 rtl8xxxu_write16(priv, REG_TRXFF_BNDY + 2, fops->trxff_boundary); 4066 4067 ret = rtl8xxxu_download_firmware(priv); 4068 dev_dbg(dev, "%s: download_firmware %i\n", __func__, ret); 4069 if (ret) 4070 goto exit; 4071 ret = rtl8xxxu_start_firmware(priv); 4072 dev_dbg(dev, "%s: start_firmware %i\n", __func__, ret); 4073 if (ret) 4074 goto exit; 4075 4076 if (fops->phy_init_antenna_selection) 4077 fops->phy_init_antenna_selection(priv); 4078 4079 ret = rtl8xxxu_init_mac(priv); 4080 4081 dev_dbg(dev, "%s: init_mac %i\n", __func__, ret); 4082 if (ret) 4083 goto exit; 4084 4085 ret = rtl8xxxu_init_phy_bb(priv); 4086 dev_dbg(dev, "%s: init_phy_bb %i\n", __func__, ret); 4087 if (ret) 4088 goto exit; 4089 4090 ret = fops->init_phy_rf(priv); 4091 if (ret) 4092 goto exit; 4093 4094 /* Mac APLL Setting */ 4095 if (priv->rtl_chip == RTL8192F) 4096 rtl8xxxu_write16_set(priv, REG_AFE_CTRL4, BIT(4) | BIT(15)); 4097 4098 /* RFSW Control - clear bit 14 ?? */ 4099 if (priv->rtl_chip != RTL8723B && priv->rtl_chip != RTL8192E && 4100 priv->rtl_chip != RTL8188E && priv->rtl_chip != RTL8710B && 4101 priv->rtl_chip != RTL8192F) 4102 rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, 0x00000003); 4103 4104 val32 = FPGA0_RF_TRSW | FPGA0_RF_TRSWB | FPGA0_RF_ANTSW | 4105 FPGA0_RF_ANTSWB | 4106 ((FPGA0_RF_ANTSW | FPGA0_RF_ANTSWB) << FPGA0_RF_BD_CTRL_SHIFT); 4107 if (!priv->no_pape) { 4108 val32 |= (FPGA0_RF_PAPE | 4109 (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); 4110 } 4111 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); 4112 4113 /* 0x860[6:5]= 00 - why? - this sets antenna B */ 4114 if (priv->rtl_chip != RTL8192E && priv->rtl_chip != RTL8188E && 4115 priv->rtl_chip != RTL8710B && priv->rtl_chip != RTL8192F) 4116 rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, 0x66f60210); 4117 4118 if (!macpower) { 4119 /* 4120 * Set TX buffer boundary 4121 */ 4122 val8 = fops->total_page_num + 1; 4123 4124 rtl8xxxu_write8(priv, REG_TXPKTBUF_BCNQ_BDNY, val8); 4125 rtl8xxxu_write8(priv, REG_TXPKTBUF_MGQ_BDNY, val8); 4126 rtl8xxxu_write8(priv, REG_TXPKTBUF_WMAC_LBK_BF_HD, val8); 4127 rtl8xxxu_write8(priv, REG_TRXFF_BNDY, val8); 4128 rtl8xxxu_write8(priv, REG_TDECTRL + 1, val8); 4129 } 4130 4131 /* 4132 * The vendor drivers set PBP for all devices, except 8192e. 4133 * There is no explanation for this in any of the sources. 4134 */ 4135 val8 = (fops->pbp_rx << PBP_PAGE_SIZE_RX_SHIFT) | 4136 (fops->pbp_tx << PBP_PAGE_SIZE_TX_SHIFT); 4137 if (priv->rtl_chip != RTL8192E) 4138 rtl8xxxu_write8(priv, REG_PBP, val8); 4139 4140 dev_dbg(dev, "%s: macpower %i\n", __func__, macpower); 4141 if (!macpower) { 4142 ret = fops->llt_init(priv); 4143 if (ret) { 4144 dev_warn(dev, "%s: LLT table init failed\n", __func__); 4145 goto exit; 4146 } 4147 4148 /* 4149 * Chip specific quirks 4150 */ 4151 fops->usb_quirks(priv); 4152 4153 /* 4154 * Enable TX report and TX report timer for 8723bu/8188eu/... 4155 */ 4156 if (fops->has_tx_report) { 4157 /* 4158 * The RTL8188EU has two types of TX reports: 4159 * rpt_sel=1: 4160 * One report for one frame. We can use this for frames 4161 * with IEEE80211_TX_CTL_REQ_TX_STATUS. 4162 * rpt_sel=2: 4163 * One report for many frames transmitted over a period 4164 * of time. (This is what REG_TX_REPORT_TIME is for.) The 4165 * report includes the number of frames transmitted 4166 * successfully, and the number of unsuccessful 4167 * transmissions. We use this for software rate control. 4168 * 4169 * Bit 0 of REG_TX_REPORT_CTRL is required for both types. 4170 * Bit 1 (TX_REPORT_CTRL_TIMER_ENABLE) is required for 4171 * type 2. 4172 */ 4173 val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL); 4174 if (priv->rtl_chip == RTL8188E) 4175 val8 |= BIT(0); 4176 val8 |= TX_REPORT_CTRL_TIMER_ENABLE; 4177 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); 4178 /* Set MAX RPT MACID */ 4179 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL + 1, 0x02); 4180 /* TX report Timer. Unit: 32us */ 4181 rtl8xxxu_write16(priv, REG_TX_REPORT_TIME, 0xcdf0); 4182 4183 /* tmp ps ? */ 4184 val8 = rtl8xxxu_read8(priv, 0xa3); 4185 val8 &= 0xf8; 4186 rtl8xxxu_write8(priv, 0xa3, val8); 4187 } 4188 4189 if (priv->rtl_chip == RTL8710B || priv->rtl_chip == RTL8192F) 4190 rtl8xxxu_write8(priv, REG_EARLY_MODE_CONTROL_8710B, 0); 4191 } 4192 4193 /* 4194 * Unit in 8 bytes. 4195 * Get Rx PHY status in order to report RSSI and others. 4196 */ 4197 rtl8xxxu_write8(priv, REG_RX_DRVINFO_SZ, 4); 4198 4199 if (priv->rtl_chip == RTL8192E) { 4200 rtl8xxxu_write32(priv, REG_HIMR0, 0x00); 4201 rtl8xxxu_write32(priv, REG_HIMR1, 0x00); 4202 } else if (priv->rtl_chip == RTL8188F) { 4203 rtl8xxxu_write32(priv, REG_HISR0, 0xffffffff); 4204 rtl8xxxu_write32(priv, REG_HISR1, 0xffffffff); 4205 } else if (priv->rtl_chip == RTL8188E) { 4206 rtl8xxxu_write32(priv, REG_HISR0, 0xffffffff); 4207 val32 = IMR0_PSTIMEOUT | IMR0_TBDER | IMR0_CPWM | IMR0_CPWM2; 4208 rtl8xxxu_write32(priv, REG_HIMR0, val32); 4209 val32 = IMR1_TXERR | IMR1_RXERR | IMR1_TXFOVW | IMR1_RXFOVW; 4210 rtl8xxxu_write32(priv, REG_HIMR1, val32); 4211 val8 = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION); 4212 val8 |= USB_SPEC_INT_BULK_SELECT; 4213 rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, val8); 4214 } else if (priv->rtl_chip == RTL8710B) { 4215 rtl8xxxu_write32(priv, REG_HIMR0_8710B, 0); 4216 } else if (priv->rtl_chip != RTL8192F) { 4217 /* 4218 * Enable all interrupts - not obvious USB needs to do this 4219 */ 4220 rtl8xxxu_write32(priv, REG_HISR, 0xffffffff); 4221 rtl8xxxu_write32(priv, REG_HIMR, 0xffffffff); 4222 } 4223 4224 /* 4225 * Configure initial WMAC settings 4226 */ 4227 val32 = RCR_ACCEPT_PHYS_MATCH | RCR_ACCEPT_MCAST | RCR_ACCEPT_BCAST | 4228 RCR_ACCEPT_MGMT_FRAME | RCR_HTC_LOC_CTRL | 4229 RCR_APPEND_PHYSTAT | RCR_APPEND_ICV | RCR_APPEND_MIC; 4230 rtl8xxxu_write32(priv, REG_RCR, val32); 4231 priv->regrcr = val32; 4232 4233 if (fops->init_reg_rxfltmap) { 4234 /* Accept all data frames */ 4235 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0xffff); 4236 4237 /* 4238 * Since ADF is removed from RCR, ps-poll will not be indicate to driver, 4239 * RxFilterMap should mask ps-poll to gurantee AP mode can rx ps-poll. 4240 */ 4241 rtl8xxxu_write16(priv, REG_RXFLTMAP1, 0x400); 4242 4243 /* Accept all management frames */ 4244 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0xffff); 4245 } else { 4246 /* 4247 * Accept all multicast 4248 */ 4249 rtl8xxxu_write32(priv, REG_MAR, 0xffffffff); 4250 rtl8xxxu_write32(priv, REG_MAR + 4, 0xffffffff); 4251 } 4252 4253 /* 4254 * Init adaptive controls 4255 */ 4256 val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); 4257 val32 &= ~RESPONSE_RATE_BITMAP_ALL; 4258 val32 |= RESPONSE_RATE_RRSR_CCK_ONLY_1M; 4259 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); 4260 4261 /* CCK = 0x0a, OFDM = 0x10 */ 4262 rtl8xxxu_set_spec_sifs(priv, 0x10, 0x10); 4263 rtl8xxxu_set_retry(priv, 0x30, 0x30); 4264 rtl8xxxu_set_spec_sifs(priv, 0x0a, 0x10); 4265 4266 /* 4267 * Init EDCA 4268 */ 4269 rtl8xxxu_write16(priv, REG_MAC_SPEC_SIFS, 0x100a); 4270 4271 /* Set CCK SIFS */ 4272 rtl8xxxu_write16(priv, REG_SIFS_CCK, 0x100a); 4273 4274 /* Set OFDM SIFS */ 4275 rtl8xxxu_write16(priv, REG_SIFS_OFDM, 0x100a); 4276 4277 /* TXOP */ 4278 rtl8xxxu_write32(priv, REG_EDCA_BE_PARAM, 0x005ea42b); 4279 rtl8xxxu_write32(priv, REG_EDCA_BK_PARAM, 0x0000a44f); 4280 rtl8xxxu_write32(priv, REG_EDCA_VI_PARAM, 0x005ea324); 4281 rtl8xxxu_write32(priv, REG_EDCA_VO_PARAM, 0x002fa226); 4282 4283 /* Set data auto rate fallback retry count */ 4284 rtl8xxxu_write32(priv, REG_DARFRC, 0x00000000); 4285 rtl8xxxu_write32(priv, REG_DARFRC + 4, 0x10080404); 4286 rtl8xxxu_write32(priv, REG_RARFRC, 0x04030201); 4287 rtl8xxxu_write32(priv, REG_RARFRC + 4, 0x08070605); 4288 4289 val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL); 4290 val8 |= FWHW_TXQ_CTRL_AMPDU_RETRY; 4291 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL, val8); 4292 4293 /* Set ACK timeout */ 4294 rtl8xxxu_write8(priv, REG_ACKTO, 0x40); 4295 4296 /* 4297 * Initialize beacon parameters 4298 */ 4299 val16 = BEACON_DISABLE_TSF_UPDATE | (BEACON_DISABLE_TSF_UPDATE << 8); 4300 rtl8xxxu_write16(priv, REG_BEACON_CTRL, val16); 4301 rtl8xxxu_write16(priv, REG_TBTT_PROHIBIT, 0x6404); 4302 if (priv->rtl_chip != RTL8188F && priv->rtl_chip != RTL8710B && 4303 priv->rtl_chip != RTL8192F) 4304 /* Firmware will control REG_DRVERLYINT when power saving is enable, */ 4305 /* so don't set this register on STA mode. */ 4306 rtl8xxxu_write8(priv, REG_DRIVER_EARLY_INT, DRIVER_EARLY_INT_TIME); 4307 rtl8xxxu_write8(priv, REG_BEACON_DMA_TIME, BEACON_DMA_ATIME_INT_TIME); 4308 rtl8xxxu_write16(priv, REG_BEACON_TCFG, 0x660F); 4309 4310 /* 4311 * Initialize burst parameters 4312 */ 4313 if (priv->fops->init_burst) 4314 priv->fops->init_burst(priv); 4315 4316 if (fops->init_aggregation) 4317 fops->init_aggregation(priv); 4318 4319 if (fops->init_reg_pkt_life_time) { 4320 rtl8xxxu_write16(priv, REG_PKT_VO_VI_LIFE_TIME, 0x0400); /* unit: 256us. 256ms */ 4321 rtl8xxxu_write16(priv, REG_PKT_BE_BK_LIFE_TIME, 0x0400); /* unit: 256us. 256ms */ 4322 } 4323 4324 /* 4325 * Enable CCK and OFDM block 4326 */ 4327 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 4328 val32 |= (FPGA_RF_MODE_CCK | FPGA_RF_MODE_OFDM); 4329 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 4330 4331 /* 4332 * Invalidate all CAM entries - bit 30 is undocumented 4333 */ 4334 rtl8xxxu_write32(priv, REG_CAM_CMD, CAM_CMD_POLLING | BIT(30)); 4335 4336 /* 4337 * Start out with default power levels for channel 6, 20MHz 4338 */ 4339 fops->set_tx_power(priv, 1, false); 4340 4341 /* Let the 8051 take control of antenna setting */ 4342 if (priv->rtl_chip != RTL8192E && priv->rtl_chip != RTL8188F && 4343 priv->rtl_chip != RTL8710B && priv->rtl_chip != RTL8192C) { 4344 val8 = rtl8xxxu_read8(priv, REG_LEDCFG2); 4345 val8 |= LEDCFG2_DPDT_SELECT; 4346 rtl8xxxu_write8(priv, REG_LEDCFG2, val8); 4347 } 4348 4349 rtl8xxxu_write8(priv, REG_HWSEQ_CTRL, 0xff); 4350 4351 /* Disable BAR - not sure if this has any effect on USB */ 4352 rtl8xxxu_write32(priv, REG_BAR_MODE_CTRL, 0x0201ffff); 4353 4354 if (priv->rtl_chip != RTL8188F && priv->rtl_chip != RTL8188E && 4355 priv->rtl_chip != RTL8710B && priv->rtl_chip != RTL8192F) 4356 rtl8xxxu_write16(priv, REG_FAST_EDCA_CTRL, 0); 4357 4358 if (fops->init_statistics) 4359 fops->init_statistics(priv); 4360 4361 if (priv->rtl_chip == RTL8192E) { 4362 /* 4363 * 0x4c6[3] 1: RTS BW = Data BW 4364 * 0: RTS BW depends on CCA / secondary CCA result. 4365 */ 4366 val8 = rtl8xxxu_read8(priv, REG_QUEUE_CTRL); 4367 val8 &= ~BIT(3); 4368 rtl8xxxu_write8(priv, REG_QUEUE_CTRL, val8); 4369 /* 4370 * Reset USB mode switch setting 4371 */ 4372 rtl8xxxu_write8(priv, REG_ACLK_MON, 0x00); 4373 } else if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8188E || 4374 priv->rtl_chip == RTL8192F) { 4375 /* 4376 * Init GPIO settings for 8188f, 8188e, 8192f 4377 */ 4378 val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG); 4379 val8 &= ~GPIO_MUXCFG_IO_SEL_ENBT; 4380 rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8); 4381 } 4382 4383 if (priv->rtl_chip == RTL8188F) 4384 /* CCK PD */ 4385 rtl8xxxu_write8(priv, REG_CCK_PD_THRESH, CCK_PD_TYPE1_LV1_TH); 4386 4387 fops->phy_lc_calibrate(priv); 4388 4389 fops->phy_iq_calibrate(priv); 4390 4391 /* 4392 * This should enable thermal meter 4393 */ 4394 if (fops->gen2_thermal_meter) { 4395 if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8710B) { 4396 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_T_METER_8723B); 4397 val32 |= 0x30000; 4398 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_T_METER_8723B, val32); 4399 } else { 4400 rtl8xxxu_write_rfreg(priv, 4401 RF_A, RF6052_REG_T_METER_8723B, 0x37cf8); 4402 } 4403 } else { 4404 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_T_METER, 0x60); 4405 } 4406 4407 /* Set NAV_UPPER to 30000us */ 4408 val8 = ((30000 + NAV_UPPER_UNIT - 1) / NAV_UPPER_UNIT); 4409 rtl8xxxu_write8(priv, REG_NAV_UPPER, val8); 4410 4411 if (priv->rtl_chip == RTL8723A) { 4412 /* 4413 * 2011/03/09 MH debug only, UMC-B cut pass 2500 S5 test, 4414 * but we need to find root cause. 4415 * This is 8723au only. 4416 */ 4417 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 4418 if ((val32 & 0xff000000) != 0x83000000) { 4419 val32 |= FPGA_RF_MODE_CCK; 4420 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 4421 } 4422 } else if (priv->rtl_chip == RTL8192E || priv->rtl_chip == RTL8188E) { 4423 rtl8xxxu_write8(priv, REG_USB_HRPWM, 0x00); 4424 } 4425 4426 val32 = rtl8xxxu_read32(priv, REG_FWHW_TXQ_CTRL); 4427 val32 |= FWHW_TXQ_CTRL_XMIT_MGMT_ACK; 4428 /* ack for xmit mgmt frames. */ 4429 rtl8xxxu_write32(priv, REG_FWHW_TXQ_CTRL, val32); 4430 4431 if (priv->rtl_chip == RTL8192E) { 4432 /* 4433 * Fix LDPC rx hang issue. 4434 */ 4435 val32 = rtl8xxxu_read32(priv, REG_AFE_MISC); 4436 rtl8xxxu_write8(priv, REG_8192E_LDOV12_CTRL, 0x75); 4437 val32 &= 0xfff00fff; 4438 val32 |= 0x0007e000; 4439 rtl8xxxu_write32(priv, REG_AFE_MISC, val32); 4440 4441 /* 4442 * 0x824[9] = 0x82C[9] = 0xA80[7] those registers setting 4443 * should be equal or CCK RSSI report may be incorrect 4444 */ 4445 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM2); 4446 priv->cck_agc_report_type = 4447 u32_get_bits(val32, FPGA0_HSSI_PARM2_CCK_HIGH_PWR); 4448 4449 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_HSSI_PARM2); 4450 if (priv->cck_agc_report_type != 4451 u32_get_bits(val32, FPGA0_HSSI_PARM2_CCK_HIGH_PWR)) { 4452 if (priv->cck_agc_report_type) 4453 val32 |= FPGA0_HSSI_PARM2_CCK_HIGH_PWR; 4454 else 4455 val32 &= ~FPGA0_HSSI_PARM2_CCK_HIGH_PWR; 4456 rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM2, val32); 4457 } 4458 4459 val32 = rtl8xxxu_read32(priv, REG_AGC_RPT); 4460 if (priv->cck_agc_report_type) 4461 val32 |= AGC_RPT_CCK; 4462 else 4463 val32 &= ~AGC_RPT_CCK; 4464 rtl8xxxu_write32(priv, REG_AGC_RPT, val32); 4465 } 4466 4467 if (priv->rtl_chip == RTL8710B) { 4468 /* 4469 * 0x76D[5:4] is Port0,Port1 Enable Bit. 4470 * This is only for 8710B, 2b'00 for MP and 2b'11 for Normal Driver 4471 */ 4472 val8 = rtl8xxxu_read8(priv, REG_PORT_CONTROL_8710B); 4473 val8 |= BIT(5) | BIT(4); 4474 rtl8xxxu_write8(priv, REG_PORT_CONTROL_8710B, val8); 4475 4476 /* Set 0x5c[8] and [2:0] = 1, LDO mode */ 4477 val32 = rtl8xxxu_read32(priv, REG_WL_RF_PSS_8710B); 4478 val32 |= 0x107; 4479 rtl8xxxu_write32(priv, REG_WL_RF_PSS_8710B, val32); 4480 } 4481 4482 val32 = rtl8xxxu_read32(priv, 0xa9c); 4483 priv->cck_new_agc = u32_get_bits(val32, BIT(17)); 4484 4485 /* Initialise the center frequency offset tracking */ 4486 if (priv->fops->set_crystal_cap) { 4487 val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING); 4488 priv->cfo_tracking.atc_status = val32 & CFO_TRACKING_ATC_STATUS; 4489 priv->cfo_tracking.adjust = true; 4490 priv->cfo_tracking.crystal_cap = priv->default_crystal_cap; 4491 } 4492 4493 if (priv->rtl_chip == RTL8188E) 4494 rtl8188e_ra_info_init_all(&priv->ra_info); 4495 4496 set_bit(RTL8XXXU_BC_MC_MACID, priv->mac_id_map); 4497 set_bit(RTL8XXXU_BC_MC_MACID1, priv->mac_id_map); 4498 4499 exit: 4500 return ret; 4501 } 4502 4503 static void rtl8xxxu_cam_write(struct rtl8xxxu_priv *priv, 4504 struct ieee80211_key_conf *key, const u8 *mac) 4505 { 4506 u32 cmd, val32, addr, ctrl; 4507 int j, i, tmp_debug; 4508 4509 tmp_debug = rtl8xxxu_debug; 4510 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_KEY) 4511 rtl8xxxu_debug |= RTL8XXXU_DEBUG_REG_WRITE; 4512 4513 /* 4514 * This is a bit of a hack - the lower bits of the cipher 4515 * suite selector happens to match the cipher index in the CAM 4516 */ 4517 addr = key->hw_key_idx << CAM_CMD_KEY_SHIFT; 4518 ctrl = (key->cipher & 0x0f) << 2 | key->keyidx | CAM_WRITE_VALID; 4519 if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 4520 ctrl |= BIT(6); 4521 4522 for (j = 5; j >= 0; j--) { 4523 switch (j) { 4524 case 0: 4525 val32 = ctrl | (mac[0] << 16) | (mac[1] << 24); 4526 break; 4527 case 1: 4528 val32 = mac[2] | (mac[3] << 8) | 4529 (mac[4] << 16) | (mac[5] << 24); 4530 break; 4531 default: 4532 i = (j - 2) << 2; 4533 val32 = key->key[i] | (key->key[i + 1] << 8) | 4534 key->key[i + 2] << 16 | key->key[i + 3] << 24; 4535 break; 4536 } 4537 4538 rtl8xxxu_write32(priv, REG_CAM_WRITE, val32); 4539 cmd = CAM_CMD_POLLING | CAM_CMD_WRITE | (addr + j); 4540 rtl8xxxu_write32(priv, REG_CAM_CMD, cmd); 4541 udelay(100); 4542 } 4543 4544 rtl8xxxu_debug = tmp_debug; 4545 } 4546 4547 static 4548 int rtl8xxxu_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) 4549 { 4550 struct rtl8xxxu_priv *priv = hw->priv; 4551 4552 *tx_ant = BIT(priv->tx_paths) - 1; 4553 *rx_ant = BIT(priv->rx_paths) - 1; 4554 4555 return 0; 4556 } 4557 4558 static int rtl8xxxu_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 4559 bool set) 4560 { 4561 struct rtl8xxxu_priv *priv = hw->priv; 4562 4563 schedule_delayed_work(&priv->update_beacon_work, 0); 4564 4565 return 0; 4566 } 4567 4568 static void rtl8xxxu_sw_scan_start(struct ieee80211_hw *hw, 4569 struct ieee80211_vif *vif, const u8 *mac) 4570 { 4571 struct rtl8xxxu_priv *priv = hw->priv; 4572 u8 val8; 4573 4574 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 4575 val8 |= BEACON_DISABLE_TSF_UPDATE; 4576 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); 4577 } 4578 4579 static void rtl8xxxu_sw_scan_complete(struct ieee80211_hw *hw, 4580 struct ieee80211_vif *vif) 4581 { 4582 struct rtl8xxxu_priv *priv = hw->priv; 4583 u8 val8; 4584 4585 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 4586 val8 &= ~BEACON_DISABLE_TSF_UPDATE; 4587 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); 4588 } 4589 4590 void rtl8xxxu_update_rate_mask(struct rtl8xxxu_priv *priv, 4591 u32 ramask, u8 rateid, int sgi, int txbw_40mhz, 4592 u8 macid) 4593 { 4594 struct h2c_cmd h2c; 4595 4596 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4597 4598 h2c.ramask.cmd = H2C_SET_RATE_MASK; 4599 h2c.ramask.mask_lo = cpu_to_le16(ramask & 0xffff); 4600 h2c.ramask.mask_hi = cpu_to_le16(ramask >> 16); 4601 4602 h2c.ramask.arg = 0x80; 4603 if (sgi) 4604 h2c.ramask.arg |= 0x20; 4605 4606 dev_dbg(&priv->udev->dev, "%s: rate mask %08x, arg %02x, size %zi\n", 4607 __func__, ramask, h2c.ramask.arg, sizeof(h2c.ramask)); 4608 rtl8xxxu_gen1_h2c_cmd(priv, &h2c, sizeof(h2c.ramask)); 4609 } 4610 4611 void rtl8xxxu_gen2_update_rate_mask(struct rtl8xxxu_priv *priv, 4612 u32 ramask, u8 rateid, int sgi, int txbw_40mhz, 4613 u8 macid) 4614 { 4615 struct h2c_cmd h2c; 4616 u8 bw; 4617 4618 if (txbw_40mhz) 4619 bw = RTL8XXXU_CHANNEL_WIDTH_40; 4620 else 4621 bw = RTL8XXXU_CHANNEL_WIDTH_20; 4622 4623 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4624 4625 h2c.b_macid_cfg.cmd = H2C_8723B_MACID_CFG_RAID; 4626 h2c.b_macid_cfg.ramask0 = ramask & 0xff; 4627 h2c.b_macid_cfg.ramask1 = (ramask >> 8) & 0xff; 4628 h2c.b_macid_cfg.ramask2 = (ramask >> 16) & 0xff; 4629 h2c.b_macid_cfg.ramask3 = (ramask >> 24) & 0xff; 4630 h2c.b_macid_cfg.macid = macid; 4631 4632 h2c.b_macid_cfg.data1 = rateid; 4633 if (sgi) 4634 h2c.b_macid_cfg.data1 |= BIT(7); 4635 4636 h2c.b_macid_cfg.data2 = bw; 4637 4638 dev_dbg(&priv->udev->dev, "%s: rate mask %08x, rateid %02x, sgi %d, size %zi\n", 4639 __func__, ramask, rateid, sgi, sizeof(h2c.b_macid_cfg)); 4640 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.b_macid_cfg)); 4641 } 4642 4643 void rtl8xxxu_gen1_report_connect(struct rtl8xxxu_priv *priv, 4644 u8 macid, u8 role, bool connect) 4645 { 4646 struct h2c_cmd h2c; 4647 4648 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4649 4650 h2c.joinbss.cmd = H2C_JOIN_BSS_REPORT; 4651 4652 if (connect) 4653 h2c.joinbss.data = H2C_JOIN_BSS_CONNECT; 4654 else 4655 h2c.joinbss.data = H2C_JOIN_BSS_DISCONNECT; 4656 4657 rtl8xxxu_gen1_h2c_cmd(priv, &h2c, sizeof(h2c.joinbss)); 4658 } 4659 4660 void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv, 4661 u8 macid, u8 role, bool connect) 4662 { 4663 /* 4664 * The firmware turns on the rate control when it knows it's 4665 * connected to a network. 4666 */ 4667 struct h2c_cmd h2c; 4668 4669 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4670 4671 h2c.media_status_rpt.cmd = H2C_8723B_MEDIA_STATUS_RPT; 4672 if (connect) 4673 h2c.media_status_rpt.parm |= BIT(0); 4674 else 4675 h2c.media_status_rpt.parm &= ~BIT(0); 4676 4677 h2c.media_status_rpt.parm |= ((role << 4) & 0xf0); 4678 h2c.media_status_rpt.macid = macid; 4679 4680 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.media_status_rpt)); 4681 } 4682 4683 void rtl8xxxu_gen1_report_rssi(struct rtl8xxxu_priv *priv, u8 macid, u8 rssi) 4684 { 4685 struct h2c_cmd h2c; 4686 const int h2c_size = 4; 4687 4688 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4689 4690 h2c.rssi_report.cmd = H2C_SET_RSSI; 4691 h2c.rssi_report.macid = macid; 4692 h2c.rssi_report.rssi = rssi; 4693 4694 rtl8xxxu_gen1_h2c_cmd(priv, &h2c, h2c_size); 4695 } 4696 4697 void rtl8xxxu_gen2_report_rssi(struct rtl8xxxu_priv *priv, u8 macid, u8 rssi) 4698 { 4699 struct h2c_cmd h2c; 4700 int h2c_size = sizeof(h2c.rssi_report); 4701 4702 if (priv->rtl_chip == RTL8723B) 4703 h2c_size = 4; 4704 4705 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4706 4707 h2c.rssi_report.cmd = H2C_8723B_RSSI_SETTING; 4708 h2c.rssi_report.macid = macid; 4709 h2c.rssi_report.rssi = rssi; 4710 4711 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, h2c_size); 4712 } 4713 4714 void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv) 4715 { 4716 u8 agg_ctrl, usb_spec, page_thresh, timeout; 4717 4718 usb_spec = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION); 4719 usb_spec &= ~USB_SPEC_USB_AGG_ENABLE; 4720 rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, usb_spec); 4721 4722 agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL); 4723 agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN; 4724 4725 if (!rtl8xxxu_dma_aggregation) { 4726 rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl); 4727 return; 4728 } 4729 4730 agg_ctrl |= TRXDMA_CTRL_RXDMA_AGG_EN; 4731 rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl); 4732 4733 /* 4734 * The number of packets we can take looks to be buffer size / 512 4735 * which matches the 512 byte rounding we have to do when de-muxing 4736 * the packets. 4737 * 4738 * Sample numbers from the vendor driver: 4739 * USB High-Speed mode values: 4740 * RxAggBlockCount = 8 : 512 byte unit 4741 * RxAggBlockTimeout = 6 4742 * RxAggPageCount = 48 : 128 byte unit 4743 * RxAggPageTimeout = 4 or 6 (absolute time 34ms/(2^6)) 4744 */ 4745 4746 page_thresh = (priv->fops->rx_agg_buf_size / 512); 4747 if (rtl8xxxu_dma_agg_pages >= 0) { 4748 if (rtl8xxxu_dma_agg_pages <= page_thresh) 4749 timeout = page_thresh; 4750 else if (rtl8xxxu_dma_agg_pages <= 6) 4751 dev_err(&priv->udev->dev, 4752 "%s: dma_agg_pages=%i too small, minimum is 6\n", 4753 __func__, rtl8xxxu_dma_agg_pages); 4754 else 4755 dev_err(&priv->udev->dev, 4756 "%s: dma_agg_pages=%i larger than limit %i\n", 4757 __func__, rtl8xxxu_dma_agg_pages, page_thresh); 4758 } 4759 rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH, page_thresh); 4760 /* 4761 * REG_RXDMA_AGG_PG_TH + 1 seems to be the timeout register on 4762 * gen2 chips and rtl8188eu. The rtl8723au seems unhappy if we 4763 * don't set it, so better set both. 4764 */ 4765 timeout = 4; 4766 4767 if (rtl8xxxu_dma_agg_timeout >= 0) { 4768 if (rtl8xxxu_dma_agg_timeout <= 127) 4769 timeout = rtl8xxxu_dma_agg_timeout; 4770 else 4771 dev_err(&priv->udev->dev, 4772 "%s: Invalid dma_agg_timeout: %i\n", 4773 __func__, rtl8xxxu_dma_agg_timeout); 4774 } 4775 4776 rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH + 1, timeout); 4777 rtl8xxxu_write8(priv, REG_USB_DMA_AGG_TO, timeout); 4778 priv->rx_buf_aggregation = 1; 4779 } 4780 4781 static const struct ieee80211_rate rtl8xxxu_legacy_ratetable[] = { 4782 {.bitrate = 10, .hw_value = 0x00,}, 4783 {.bitrate = 20, .hw_value = 0x01,}, 4784 {.bitrate = 55, .hw_value = 0x02,}, 4785 {.bitrate = 110, .hw_value = 0x03,}, 4786 {.bitrate = 60, .hw_value = 0x04,}, 4787 {.bitrate = 90, .hw_value = 0x05,}, 4788 {.bitrate = 120, .hw_value = 0x06,}, 4789 {.bitrate = 180, .hw_value = 0x07,}, 4790 {.bitrate = 240, .hw_value = 0x08,}, 4791 {.bitrate = 360, .hw_value = 0x09,}, 4792 {.bitrate = 480, .hw_value = 0x0a,}, 4793 {.bitrate = 540, .hw_value = 0x0b,}, 4794 }; 4795 4796 static void rtl8xxxu_desc_to_mcsrate(u16 rate, u8 *mcs, u8 *nss) 4797 { 4798 if (rate <= DESC_RATE_54M) 4799 return; 4800 4801 if (rate >= DESC_RATE_MCS0 && rate <= DESC_RATE_MCS15) { 4802 if (rate < DESC_RATE_MCS8) 4803 *nss = 1; 4804 else 4805 *nss = 2; 4806 *mcs = rate - DESC_RATE_MCS0; 4807 } 4808 } 4809 4810 static void rtl8xxxu_set_basic_rates(struct rtl8xxxu_priv *priv, u32 rate_cfg) 4811 { 4812 struct ieee80211_hw *hw = priv->hw; 4813 u32 val32; 4814 u8 rate_idx = 0; 4815 4816 rate_cfg &= RESPONSE_RATE_BITMAP_ALL; 4817 4818 val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); 4819 if (hw->conf.chandef.chan->band == NL80211_BAND_5GHZ) 4820 val32 &= RESPONSE_RATE_RRSR_INIT_5G; 4821 else 4822 val32 &= RESPONSE_RATE_RRSR_INIT_2G; 4823 val32 |= rate_cfg; 4824 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); 4825 4826 dev_dbg(&priv->udev->dev, "%s: rates %08x\n", __func__, rate_cfg); 4827 4828 if (rate_cfg) 4829 rate_idx = __fls(rate_cfg); 4830 4831 rtl8xxxu_write8(priv, REG_INIRTS_RATE_SEL, rate_idx); 4832 } 4833 4834 static u16 4835 rtl8xxxu_wireless_mode(struct ieee80211_hw *hw, struct ieee80211_sta *sta) 4836 { 4837 u16 network_type = WIRELESS_MODE_UNKNOWN; 4838 4839 if (hw->conf.chandef.chan->band == NL80211_BAND_5GHZ) { 4840 if (sta->deflink.vht_cap.vht_supported) 4841 network_type = WIRELESS_MODE_AC; 4842 else if (sta->deflink.ht_cap.ht_supported) 4843 network_type = WIRELESS_MODE_N_5G; 4844 4845 network_type |= WIRELESS_MODE_A; 4846 } else { 4847 if (sta->deflink.vht_cap.vht_supported) 4848 network_type = WIRELESS_MODE_AC; 4849 else if (sta->deflink.ht_cap.ht_supported) 4850 network_type = WIRELESS_MODE_N_24G; 4851 4852 if (sta->deflink.supp_rates[0] <= 0xf) 4853 network_type |= WIRELESS_MODE_B; 4854 else if (sta->deflink.supp_rates[0] & 0xf) 4855 network_type |= (WIRELESS_MODE_B | WIRELESS_MODE_G); 4856 else 4857 network_type |= WIRELESS_MODE_G; 4858 } 4859 4860 return network_type; 4861 } 4862 4863 static void rtl8xxxu_set_aifs(struct rtl8xxxu_priv *priv, u8 slot_time) 4864 { 4865 u32 reg_edca_param[IEEE80211_NUM_ACS] = { 4866 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 4867 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 4868 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 4869 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 4870 }; 4871 u32 val32; 4872 u16 wireless_mode = 0; 4873 u8 aifs, aifsn, sifs; 4874 int i; 4875 4876 for (i = 0; i < ARRAY_SIZE(priv->vifs); i++) { 4877 struct ieee80211_sta *sta; 4878 4879 if (!priv->vifs[i]) 4880 continue; 4881 4882 rcu_read_lock(); 4883 sta = ieee80211_find_sta(priv->vifs[i], priv->vifs[i]->bss_conf.bssid); 4884 if (sta) 4885 wireless_mode = rtl8xxxu_wireless_mode(priv->hw, sta); 4886 rcu_read_unlock(); 4887 4888 if (wireless_mode) 4889 break; 4890 } 4891 4892 if (priv->hw->conf.chandef.chan->band == NL80211_BAND_5GHZ || 4893 (wireless_mode & WIRELESS_MODE_N_24G)) 4894 sifs = 16; 4895 else 4896 sifs = 10; 4897 4898 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 4899 val32 = rtl8xxxu_read32(priv, reg_edca_param[i]); 4900 4901 /* It was set in conf_tx. */ 4902 aifsn = val32 & 0xff; 4903 4904 /* aifsn not set yet or already fixed */ 4905 if (aifsn < 2 || aifsn > 15) 4906 continue; 4907 4908 aifs = aifsn * slot_time + sifs; 4909 4910 val32 &= ~0xff; 4911 val32 |= aifs; 4912 rtl8xxxu_write32(priv, reg_edca_param[i], val32); 4913 } 4914 } 4915 4916 void rtl8xxxu_update_ra_report(struct rtl8xxxu_ra_report *rarpt, 4917 u8 rate, u8 sgi, u8 bw) 4918 { 4919 u8 mcs, nss; 4920 4921 rarpt->txrate.flags = 0; 4922 4923 if (rate <= DESC_RATE_54M) { 4924 rarpt->txrate.legacy = rtl8xxxu_legacy_ratetable[rate].bitrate; 4925 } else { 4926 rtl8xxxu_desc_to_mcsrate(rate, &mcs, &nss); 4927 rarpt->txrate.flags |= RATE_INFO_FLAGS_MCS; 4928 4929 rarpt->txrate.mcs = mcs; 4930 rarpt->txrate.nss = nss; 4931 4932 if (sgi) 4933 rarpt->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 4934 4935 rarpt->txrate.bw = bw; 4936 } 4937 4938 rarpt->bit_rate = cfg80211_calculate_bitrate(&rarpt->txrate); 4939 rarpt->desc_rate = rate; 4940 } 4941 4942 static void 4943 rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4944 struct ieee80211_bss_conf *bss_conf, u64 changed) 4945 { 4946 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 4947 struct rtl8xxxu_priv *priv = hw->priv; 4948 struct device *dev = &priv->udev->dev; 4949 struct rtl8xxxu_sta_info *sta_info; 4950 struct ieee80211_sta *sta; 4951 struct rtl8xxxu_ra_report *rarpt; 4952 u8 val8, macid; 4953 u32 val32; 4954 4955 rarpt = &priv->ra_report; 4956 4957 if (changed & BSS_CHANGED_ASSOC) { 4958 dev_dbg(dev, "Changed ASSOC: %i!\n", vif->cfg.assoc); 4959 4960 rtl8xxxu_set_linktype(priv, vif->type, rtlvif->port_num); 4961 4962 if (vif->cfg.assoc) { 4963 u32 ramask; 4964 int sgi = 0; 4965 u8 highest_rate; 4966 u8 bw; 4967 4968 rcu_read_lock(); 4969 sta = ieee80211_find_sta(vif, bss_conf->bssid); 4970 if (!sta) { 4971 dev_info(dev, "%s: ASSOC no sta found\n", 4972 __func__); 4973 rcu_read_unlock(); 4974 goto error; 4975 } 4976 macid = rtl8xxxu_get_macid(priv, sta); 4977 4978 if (sta->deflink.ht_cap.ht_supported) 4979 dev_info(dev, "%s: HT supported\n", __func__); 4980 if (sta->deflink.vht_cap.vht_supported) 4981 dev_info(dev, "%s: VHT supported\n", __func__); 4982 4983 /* TODO: Set bits 28-31 for rate adaptive id */ 4984 ramask = (sta->deflink.supp_rates[0] & 0xfff) | 4985 sta->deflink.ht_cap.mcs.rx_mask[0] << 12 | 4986 sta->deflink.ht_cap.mcs.rx_mask[1] << 20; 4987 if (sta->deflink.ht_cap.cap & 4988 (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20)) 4989 sgi = 1; 4990 4991 highest_rate = fls(ramask) - 1; 4992 if (rtl8xxxu_ht40_2g && 4993 (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 4994 bw = RATE_INFO_BW_40; 4995 else 4996 bw = RATE_INFO_BW_20; 4997 4998 sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 4999 sta_info->rssi_level = RTL8XXXU_RATR_STA_INIT; 5000 rcu_read_unlock(); 5001 5002 rtl8xxxu_update_ra_report(rarpt, highest_rate, sgi, bw); 5003 5004 priv->fops->update_rate_mask(priv, ramask, 0, sgi, 5005 bw == RATE_INFO_BW_40, macid); 5006 5007 rtl8xxxu_write8(priv, REG_BCN_MAX_ERR, 0xff); 5008 5009 if (rtlvif->port_num == 0) 5010 rtl8xxxu_stop_tx_beacon(priv); 5011 5012 /* joinbss sequence */ 5013 rtl8xxxu_write16(priv, REG_BCN_PSR_RPT, 5014 0xc000 | vif->cfg.aid); 5015 5016 priv->fops->report_connect(priv, 0, H2C_MACID_ROLE_AP, true); 5017 } else { 5018 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 5019 val8 |= BEACON_DISABLE_TSF_UPDATE; 5020 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); 5021 5022 priv->fops->report_connect(priv, 0, H2C_MACID_ROLE_AP, false); 5023 } 5024 } 5025 5026 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 5027 dev_dbg(dev, "Changed ERP_PREAMBLE: Use short preamble %i\n", 5028 bss_conf->use_short_preamble); 5029 val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); 5030 if (bss_conf->use_short_preamble) 5031 val32 |= RSR_ACK_SHORT_PREAMBLE; 5032 else 5033 val32 &= ~RSR_ACK_SHORT_PREAMBLE; 5034 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); 5035 } 5036 5037 if (changed & BSS_CHANGED_ERP_SLOT) { 5038 dev_dbg(dev, "Changed ERP_SLOT: short_slot_time %i\n", 5039 bss_conf->use_short_slot); 5040 5041 if (bss_conf->use_short_slot) 5042 val8 = 9; 5043 else 5044 val8 = 20; 5045 rtl8xxxu_write8(priv, REG_SLOT, val8); 5046 5047 rtl8xxxu_set_aifs(priv, val8); 5048 } 5049 5050 if (changed & BSS_CHANGED_BSSID) { 5051 dev_dbg(dev, "Changed BSSID!\n"); 5052 rtl8xxxu_set_bssid(priv, bss_conf->bssid, rtlvif->port_num); 5053 } 5054 5055 if (changed & BSS_CHANGED_BASIC_RATES) { 5056 dev_dbg(dev, "Changed BASIC_RATES!\n"); 5057 rtl8xxxu_set_basic_rates(priv, bss_conf->basic_rates); 5058 } 5059 5060 if (changed & BSS_CHANGED_BEACON_ENABLED) { 5061 if (bss_conf->enable_beacon) 5062 rtl8xxxu_start_tx_beacon(priv); 5063 else 5064 rtl8xxxu_stop_tx_beacon(priv); 5065 } 5066 5067 if (changed & BSS_CHANGED_BEACON) 5068 schedule_delayed_work(&priv->update_beacon_work, 0); 5069 5070 error: 5071 return; 5072 } 5073 5074 static int rtl8xxxu_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5075 struct ieee80211_bss_conf *link_conf) 5076 { 5077 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 5078 struct rtl8xxxu_priv *priv = hw->priv; 5079 struct device *dev = &priv->udev->dev; 5080 5081 dev_dbg(dev, "Start AP mode\n"); 5082 rtl8xxxu_set_bssid(priv, vif->bss_conf.bssid, rtlvif->port_num); 5083 rtl8xxxu_write16(priv, REG_BCN_INTERVAL, vif->bss_conf.beacon_int); 5084 priv->fops->report_connect(priv, RTL8XXXU_BC_MC_MACID, 0, true); 5085 5086 return 0; 5087 } 5088 5089 static u32 rtl8xxxu_80211_to_rtl_queue(u32 queue) 5090 { 5091 u32 rtlqueue; 5092 5093 switch (queue) { 5094 case IEEE80211_AC_VO: 5095 rtlqueue = TXDESC_QUEUE_VO; 5096 break; 5097 case IEEE80211_AC_VI: 5098 rtlqueue = TXDESC_QUEUE_VI; 5099 break; 5100 case IEEE80211_AC_BE: 5101 rtlqueue = TXDESC_QUEUE_BE; 5102 break; 5103 case IEEE80211_AC_BK: 5104 rtlqueue = TXDESC_QUEUE_BK; 5105 break; 5106 default: 5107 rtlqueue = TXDESC_QUEUE_BE; 5108 } 5109 5110 return rtlqueue; 5111 } 5112 5113 static u32 rtl8xxxu_queue_select(struct ieee80211_hdr *hdr, struct sk_buff *skb) 5114 { 5115 u32 queue; 5116 5117 if (unlikely(ieee80211_is_beacon(hdr->frame_control))) 5118 queue = TXDESC_QUEUE_BEACON; 5119 else if (ieee80211_is_mgmt(hdr->frame_control)) 5120 queue = TXDESC_QUEUE_MGNT; 5121 else 5122 queue = rtl8xxxu_80211_to_rtl_queue(skb_get_queue_mapping(skb)); 5123 5124 return queue; 5125 } 5126 5127 /* 5128 * Despite newer chips 8723b/8812/8821 having a larger TX descriptor 5129 * format. The descriptor checksum is still only calculated over the 5130 * initial 32 bytes of the descriptor! 5131 */ 5132 static void rtl8xxxu_calc_tx_desc_csum(struct rtl8xxxu_txdesc32 *tx_desc) 5133 { 5134 __le16 *ptr = (__le16 *)tx_desc; 5135 u16 csum = 0; 5136 int i; 5137 5138 /* 5139 * Clear csum field before calculation, as the csum field is 5140 * in the middle of the struct. 5141 */ 5142 tx_desc->csum = cpu_to_le16(0); 5143 5144 for (i = 0; i < (sizeof(struct rtl8xxxu_txdesc32) / sizeof(u16)); i++) 5145 csum = csum ^ le16_to_cpu(ptr[i]); 5146 5147 tx_desc->csum |= cpu_to_le16(csum); 5148 } 5149 5150 static void rtl8xxxu_free_tx_resources(struct rtl8xxxu_priv *priv) 5151 { 5152 struct rtl8xxxu_tx_urb *tx_urb, *tmp; 5153 unsigned long flags; 5154 5155 spin_lock_irqsave(&priv->tx_urb_lock, flags); 5156 list_for_each_entry_safe(tx_urb, tmp, &priv->tx_urb_free_list, list) { 5157 list_del(&tx_urb->list); 5158 priv->tx_urb_free_count--; 5159 usb_free_urb(&tx_urb->urb); 5160 } 5161 spin_unlock_irqrestore(&priv->tx_urb_lock, flags); 5162 } 5163 5164 static struct rtl8xxxu_tx_urb * 5165 rtl8xxxu_alloc_tx_urb(struct rtl8xxxu_priv *priv) 5166 { 5167 struct rtl8xxxu_tx_urb *tx_urb; 5168 unsigned long flags; 5169 5170 spin_lock_irqsave(&priv->tx_urb_lock, flags); 5171 tx_urb = list_first_entry_or_null(&priv->tx_urb_free_list, 5172 struct rtl8xxxu_tx_urb, list); 5173 if (tx_urb) { 5174 list_del(&tx_urb->list); 5175 priv->tx_urb_free_count--; 5176 if (priv->tx_urb_free_count < RTL8XXXU_TX_URB_LOW_WATER && 5177 !priv->tx_stopped) { 5178 priv->tx_stopped = true; 5179 ieee80211_stop_queues(priv->hw); 5180 } 5181 } 5182 5183 spin_unlock_irqrestore(&priv->tx_urb_lock, flags); 5184 5185 return tx_urb; 5186 } 5187 5188 static void rtl8xxxu_free_tx_urb(struct rtl8xxxu_priv *priv, 5189 struct rtl8xxxu_tx_urb *tx_urb) 5190 { 5191 unsigned long flags; 5192 5193 INIT_LIST_HEAD(&tx_urb->list); 5194 5195 spin_lock_irqsave(&priv->tx_urb_lock, flags); 5196 5197 list_add(&tx_urb->list, &priv->tx_urb_free_list); 5198 priv->tx_urb_free_count++; 5199 if (priv->tx_urb_free_count > RTL8XXXU_TX_URB_HIGH_WATER && 5200 priv->tx_stopped) { 5201 priv->tx_stopped = false; 5202 ieee80211_wake_queues(priv->hw); 5203 } 5204 5205 spin_unlock_irqrestore(&priv->tx_urb_lock, flags); 5206 } 5207 5208 static void rtl8xxxu_tx_complete(struct urb *urb) 5209 { 5210 struct sk_buff *skb = (struct sk_buff *)urb->context; 5211 struct ieee80211_tx_info *tx_info; 5212 struct ieee80211_hw *hw; 5213 struct rtl8xxxu_priv *priv; 5214 struct rtl8xxxu_tx_urb *tx_urb = 5215 container_of(urb, struct rtl8xxxu_tx_urb, urb); 5216 5217 tx_info = IEEE80211_SKB_CB(skb); 5218 hw = tx_info->rate_driver_data[0]; 5219 priv = hw->priv; 5220 5221 skb_pull(skb, priv->fops->tx_desc_size); 5222 5223 ieee80211_tx_info_clear_status(tx_info); 5224 tx_info->status.rates[0].idx = -1; 5225 tx_info->status.rates[0].count = 0; 5226 5227 if (!urb->status) 5228 tx_info->flags |= IEEE80211_TX_STAT_ACK; 5229 5230 ieee80211_tx_status_irqsafe(hw, skb); 5231 5232 rtl8xxxu_free_tx_urb(priv, tx_urb); 5233 } 5234 5235 static void rtl8xxxu_dump_action(struct device *dev, 5236 struct ieee80211_hdr *hdr) 5237 { 5238 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)hdr; 5239 u16 cap, timeout; 5240 5241 if (!(rtl8xxxu_debug & RTL8XXXU_DEBUG_ACTION)) 5242 return; 5243 5244 switch (mgmt->u.action.u.addba_resp.action_code) { 5245 case WLAN_ACTION_ADDBA_RESP: 5246 cap = le16_to_cpu(mgmt->u.action.u.addba_resp.capab); 5247 timeout = le16_to_cpu(mgmt->u.action.u.addba_resp.timeout); 5248 dev_info(dev, "WLAN_ACTION_ADDBA_RESP: " 5249 "timeout %i, tid %02x, buf_size %02x, policy %02x, " 5250 "status %02x\n", 5251 timeout, 5252 (cap & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2, 5253 (cap & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6, 5254 (cap >> 1) & 0x1, 5255 le16_to_cpu(mgmt->u.action.u.addba_resp.status)); 5256 break; 5257 case WLAN_ACTION_ADDBA_REQ: 5258 cap = le16_to_cpu(mgmt->u.action.u.addba_req.capab); 5259 timeout = le16_to_cpu(mgmt->u.action.u.addba_req.timeout); 5260 dev_info(dev, "WLAN_ACTION_ADDBA_REQ: " 5261 "timeout %i, tid %02x, buf_size %02x, policy %02x\n", 5262 timeout, 5263 (cap & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2, 5264 (cap & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6, 5265 (cap >> 1) & 0x1); 5266 break; 5267 default: 5268 dev_info(dev, "action frame %02x\n", 5269 mgmt->u.action.u.addba_resp.action_code); 5270 break; 5271 } 5272 } 5273 5274 /* 5275 * Fill in v1 (gen1) specific TX descriptor bits. 5276 * This format is used on 8188cu/8192cu/8723au 5277 */ 5278 void 5279 rtl8xxxu_fill_txdesc_v1(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, 5280 struct ieee80211_tx_info *tx_info, 5281 struct rtl8xxxu_txdesc32 *tx_desc, bool sgi, 5282 bool short_preamble, bool ampdu_enable, u32 rts_rate, 5283 u8 macid) 5284 { 5285 struct rtl8xxxu_priv *priv = hw->priv; 5286 struct device *dev = &priv->udev->dev; 5287 u8 *qc = ieee80211_get_qos_ctl(hdr); 5288 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 5289 u32 rate = 0; 5290 u16 seq_number; 5291 5292 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) 5293 dev_info(dev, "%s: TX rate: %d, pkt size %u\n", 5294 __func__, rate, le16_to_cpu(tx_desc->pkt_size)); 5295 5296 seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); 5297 5298 tx_desc->txdw5 = cpu_to_le32(rate); 5299 5300 if (ieee80211_is_data(hdr->frame_control)) 5301 tx_desc->txdw5 |= cpu_to_le32(0x0001ff00); 5302 5303 tx_desc->txdw3 = cpu_to_le32((u32)seq_number << TXDESC32_SEQ_SHIFT); 5304 5305 if (ampdu_enable && test_bit(tid, priv->tid_tx_operational)) 5306 tx_desc->txdw1 |= cpu_to_le32(TXDESC32_AGG_ENABLE); 5307 else 5308 tx_desc->txdw1 |= cpu_to_le32(TXDESC32_AGG_BREAK); 5309 5310 if (ieee80211_is_mgmt(hdr->frame_control)) { 5311 tx_desc->txdw5 = cpu_to_le32(rate); 5312 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE); 5313 tx_desc->txdw5 |= cpu_to_le32(6 << TXDESC32_RETRY_LIMIT_SHIFT); 5314 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_RETRY_LIMIT_ENABLE); 5315 } 5316 5317 if (ieee80211_is_data_qos(hdr->frame_control)) 5318 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_QOS); 5319 5320 if (short_preamble) 5321 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_SHORT_PREAMBLE); 5322 5323 if (sgi) 5324 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_SHORT_GI); 5325 5326 /* 5327 * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled 5328 */ 5329 tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT); 5330 if (ampdu_enable || tx_info->control.use_rts) { 5331 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE); 5332 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); 5333 } else if (tx_info->control.use_cts_prot) { 5334 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE); 5335 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); 5336 } 5337 } 5338 5339 /* 5340 * Fill in v2 (gen2) specific TX descriptor bits. 5341 * This format is used on 8192eu/8723bu 5342 */ 5343 void 5344 rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, 5345 struct ieee80211_tx_info *tx_info, 5346 struct rtl8xxxu_txdesc32 *tx_desc32, bool sgi, 5347 bool short_preamble, bool ampdu_enable, u32 rts_rate, 5348 u8 macid) 5349 { 5350 struct rtl8xxxu_priv *priv = hw->priv; 5351 struct device *dev = &priv->udev->dev; 5352 struct rtl8xxxu_txdesc40 *tx_desc40; 5353 u8 *qc = ieee80211_get_qos_ctl(hdr); 5354 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 5355 u32 rate = 0; 5356 u16 seq_number; 5357 5358 tx_desc40 = (struct rtl8xxxu_txdesc40 *)tx_desc32; 5359 5360 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) 5361 dev_info(dev, "%s: TX rate: %d, pkt size %u\n", 5362 __func__, rate, le16_to_cpu(tx_desc40->pkt_size)); 5363 5364 tx_desc40->txdw1 |= cpu_to_le32(macid << TXDESC40_MACID_SHIFT); 5365 5366 seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); 5367 5368 tx_desc40->txdw4 = cpu_to_le32(rate); 5369 if (ieee80211_is_data(hdr->frame_control)) { 5370 tx_desc40->txdw4 |= cpu_to_le32(0x1f << 5371 TXDESC40_DATA_RATE_FB_SHIFT); 5372 } 5373 5374 tx_desc40->txdw9 = cpu_to_le32((u32)seq_number << TXDESC40_SEQ_SHIFT); 5375 5376 if (ampdu_enable && test_bit(tid, priv->tid_tx_operational)) 5377 tx_desc40->txdw2 |= cpu_to_le32(TXDESC40_AGG_ENABLE); 5378 else 5379 tx_desc40->txdw2 |= cpu_to_le32(TXDESC40_AGG_BREAK); 5380 5381 if (ieee80211_is_mgmt(hdr->frame_control)) { 5382 tx_desc40->txdw4 = cpu_to_le32(rate); 5383 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_USE_DRIVER_RATE); 5384 tx_desc40->txdw4 |= 5385 cpu_to_le32(6 << TXDESC40_RETRY_LIMIT_SHIFT); 5386 tx_desc40->txdw4 |= cpu_to_le32(TXDESC40_RETRY_LIMIT_ENABLE); 5387 } 5388 5389 if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) 5390 tx_desc40->txdw8 |= cpu_to_le32(TXDESC40_HW_SEQ_ENABLE); 5391 5392 if (short_preamble) 5393 tx_desc40->txdw5 |= cpu_to_le32(TXDESC40_SHORT_PREAMBLE); 5394 5395 tx_desc40->txdw4 |= cpu_to_le32(rts_rate << TXDESC40_RTS_RATE_SHIFT); 5396 5397 /* 5398 * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled 5399 */ 5400 if (ampdu_enable || tx_info->control.use_rts) { 5401 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_RTS_CTS_ENABLE); 5402 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_HW_RTS_ENABLE); 5403 } else if (tx_info->control.use_cts_prot) { 5404 /* 5405 * For some reason the vendor driver doesn't set 5406 * TXDESC40_HW_RTS_ENABLE for CTS to SELF 5407 */ 5408 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_CTS_SELF_ENABLE); 5409 } 5410 } 5411 5412 /* 5413 * Fill in v3 (gen1) specific TX descriptor bits. 5414 * This format is a hybrid between the v1 and v2 formats, only seen 5415 * on 8188eu devices so far. 5416 */ 5417 void 5418 rtl8xxxu_fill_txdesc_v3(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, 5419 struct ieee80211_tx_info *tx_info, 5420 struct rtl8xxxu_txdesc32 *tx_desc, bool sgi, 5421 bool short_preamble, bool ampdu_enable, u32 rts_rate, 5422 u8 macid) 5423 { 5424 struct rtl8xxxu_priv *priv = hw->priv; 5425 struct device *dev = &priv->udev->dev; 5426 struct rtl8xxxu_ra_info *ra = &priv->ra_info; 5427 u8 *qc = ieee80211_get_qos_ctl(hdr); 5428 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 5429 u32 rate = 0; 5430 u16 seq_number; 5431 5432 seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); 5433 5434 if (ieee80211_is_data(hdr->frame_control)) { 5435 rate = ra->decision_rate; 5436 tx_desc->txdw5 = cpu_to_le32(rate); 5437 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE); 5438 tx_desc->txdw4 |= le32_encode_bits(ra->pt_stage, TXDESC32_PT_STAGE_MASK); 5439 /* Data/RTS rate FB limit */ 5440 tx_desc->txdw5 |= cpu_to_le32(0x0001ff00); 5441 } 5442 5443 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) 5444 dev_info(dev, "%s: TX rate: %d, pkt size %d\n", 5445 __func__, rate, le16_to_cpu(tx_desc->pkt_size)); 5446 5447 tx_desc->txdw3 = cpu_to_le32((u32)seq_number << TXDESC32_SEQ_SHIFT); 5448 5449 if (ampdu_enable && test_bit(tid, priv->tid_tx_operational)) 5450 tx_desc->txdw2 |= cpu_to_le32(TXDESC40_AGG_ENABLE); 5451 else 5452 tx_desc->txdw2 |= cpu_to_le32(TXDESC40_AGG_BREAK); 5453 5454 if (ieee80211_is_mgmt(hdr->frame_control)) { 5455 tx_desc->txdw5 = cpu_to_le32(rate); 5456 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE); 5457 tx_desc->txdw5 |= cpu_to_le32(6 << TXDESC32_RETRY_LIMIT_SHIFT); 5458 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_RETRY_LIMIT_ENABLE); 5459 } 5460 5461 if (ieee80211_is_data_qos(hdr->frame_control)) { 5462 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_QOS); 5463 5464 if (conf_is_ht40(&hw->conf)) { 5465 tx_desc->txdw4 |= cpu_to_le32(TXDESC_DATA_BW); 5466 5467 if (conf_is_ht40_minus(&hw->conf)) 5468 tx_desc->txdw4 |= cpu_to_le32(TXDESC_PRIME_CH_OFF_UPPER); 5469 else 5470 tx_desc->txdw4 |= cpu_to_le32(TXDESC_PRIME_CH_OFF_LOWER); 5471 } 5472 } 5473 5474 if (short_preamble) 5475 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_SHORT_PREAMBLE); 5476 5477 if (sgi && ra->rate_sgi) 5478 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_SHORT_GI); 5479 5480 /* 5481 * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled 5482 */ 5483 tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT); 5484 if (ampdu_enable || tx_info->control.use_rts) { 5485 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE); 5486 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); 5487 } else if (tx_info->control.use_cts_prot) { 5488 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE); 5489 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); 5490 } 5491 5492 tx_desc->txdw2 |= cpu_to_le32(TXDESC_ANTENNA_SELECT_A | 5493 TXDESC_ANTENNA_SELECT_B); 5494 tx_desc->txdw7 |= cpu_to_le16(TXDESC_ANTENNA_SELECT_C >> 16); 5495 } 5496 5497 static void rtl8xxxu_tx(struct ieee80211_hw *hw, 5498 struct ieee80211_tx_control *control, 5499 struct sk_buff *skb) 5500 { 5501 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 5502 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); 5503 struct rtl8xxxu_priv *priv = hw->priv; 5504 struct rtl8xxxu_txdesc32 *tx_desc; 5505 struct rtl8xxxu_tx_urb *tx_urb; 5506 struct ieee80211_sta *sta = NULL; 5507 struct ieee80211_vif *vif = tx_info->control.vif; 5508 struct rtl8xxxu_vif *rtlvif = vif ? (struct rtl8xxxu_vif *)vif->drv_priv : NULL; 5509 struct device *dev = &priv->udev->dev; 5510 u32 queue, rts_rate; 5511 u16 pktlen = skb->len; 5512 int tx_desc_size = priv->fops->tx_desc_size; 5513 u8 macid; 5514 int ret; 5515 bool ampdu_enable, sgi = false, short_preamble = false, bmc = false; 5516 5517 if (skb_headroom(skb) < tx_desc_size) { 5518 dev_warn(dev, 5519 "%s: Not enough headroom (%i) for tx descriptor\n", 5520 __func__, skb_headroom(skb)); 5521 goto error; 5522 } 5523 5524 if (unlikely(skb->len > (65535 - tx_desc_size))) { 5525 dev_warn(dev, "%s: Trying to send over-sized skb (%i)\n", 5526 __func__, skb->len); 5527 goto error; 5528 } 5529 5530 tx_urb = rtl8xxxu_alloc_tx_urb(priv); 5531 if (!tx_urb) { 5532 dev_warn(dev, "%s: Unable to allocate tx urb\n", __func__); 5533 goto error; 5534 } 5535 5536 if (ieee80211_is_action(hdr->frame_control)) 5537 rtl8xxxu_dump_action(dev, hdr); 5538 5539 tx_info->rate_driver_data[0] = hw; 5540 5541 if (control && control->sta) 5542 sta = control->sta; 5543 5544 queue = rtl8xxxu_queue_select(hdr, skb); 5545 5546 tx_desc = skb_push(skb, tx_desc_size); 5547 5548 memset(tx_desc, 0, tx_desc_size); 5549 tx_desc->pkt_size = cpu_to_le16(pktlen); 5550 tx_desc->pkt_offset = tx_desc_size; 5551 5552 /* These bits mean different things to the RTL8192F. */ 5553 if (priv->rtl_chip != RTL8192F) 5554 tx_desc->txdw0 = 5555 TXDESC_OWN | TXDESC_FIRST_SEGMENT | TXDESC_LAST_SEGMENT; 5556 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 5557 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { 5558 tx_desc->txdw0 |= TXDESC_BROADMULTICAST; 5559 bmc = true; 5560 } 5561 5562 5563 tx_desc->txdw1 = cpu_to_le32(queue << TXDESC_QUEUE_SHIFT); 5564 macid = rtl8xxxu_get_macid(priv, sta); 5565 5566 if (tx_info->control.hw_key) { 5567 switch (tx_info->control.hw_key->cipher) { 5568 case WLAN_CIPHER_SUITE_WEP40: 5569 case WLAN_CIPHER_SUITE_WEP104: 5570 case WLAN_CIPHER_SUITE_TKIP: 5571 tx_desc->txdw1 |= cpu_to_le32(TXDESC_SEC_RC4); 5572 break; 5573 case WLAN_CIPHER_SUITE_CCMP: 5574 tx_desc->txdw1 |= cpu_to_le32(TXDESC_SEC_AES); 5575 break; 5576 default: 5577 break; 5578 } 5579 if (bmc && rtlvif && rtlvif->hw_key_idx != 0xff) { 5580 tx_desc->txdw1 |= cpu_to_le32(TXDESC_EN_DESC_ID); 5581 macid = rtlvif->hw_key_idx; 5582 } 5583 } 5584 5585 /* (tx_info->flags & IEEE80211_TX_CTL_AMPDU) && */ 5586 ampdu_enable = false; 5587 if (ieee80211_is_data_qos(hdr->frame_control) && sta) { 5588 if (sta->deflink.ht_cap.ht_supported) { 5589 u32 ampdu, val32; 5590 u8 *qc = ieee80211_get_qos_ctl(hdr); 5591 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 5592 5593 ampdu = (u32)sta->deflink.ht_cap.ampdu_density; 5594 val32 = ampdu << TXDESC_AMPDU_DENSITY_SHIFT; 5595 tx_desc->txdw2 |= cpu_to_le32(val32); 5596 5597 ampdu_enable = true; 5598 5599 if (!test_bit(tid, priv->tx_aggr_started) && 5600 !(skb->protocol == cpu_to_be16(ETH_P_PAE))) 5601 if (!ieee80211_start_tx_ba_session(sta, tid, 0)) 5602 set_bit(tid, priv->tx_aggr_started); 5603 } 5604 } 5605 5606 if (ieee80211_is_data_qos(hdr->frame_control) && 5607 sta && sta->deflink.ht_cap.cap & 5608 (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20)) 5609 sgi = true; 5610 5611 if (sta && vif && vif->bss_conf.use_short_preamble) 5612 short_preamble = true; 5613 5614 if (skb->len > hw->wiphy->rts_threshold) 5615 tx_info->control.use_rts = true; 5616 5617 if (sta && vif && vif->bss_conf.use_cts_prot) 5618 tx_info->control.use_cts_prot = true; 5619 5620 if (ampdu_enable || tx_info->control.use_rts || 5621 tx_info->control.use_cts_prot) 5622 rts_rate = DESC_RATE_24M; 5623 else 5624 rts_rate = 0; 5625 5626 priv->fops->fill_txdesc(hw, hdr, tx_info, tx_desc, sgi, short_preamble, 5627 ampdu_enable, rts_rate, macid); 5628 5629 rtl8xxxu_calc_tx_desc_csum(tx_desc); 5630 5631 /* avoid zero checksum make tx hang */ 5632 if (priv->rtl_chip == RTL8710B || priv->rtl_chip == RTL8192F) 5633 tx_desc->csum = ~tx_desc->csum; 5634 5635 usb_fill_bulk_urb(&tx_urb->urb, priv->udev, priv->pipe_out[queue], 5636 skb->data, skb->len, rtl8xxxu_tx_complete, skb); 5637 5638 usb_anchor_urb(&tx_urb->urb, &priv->tx_anchor); 5639 ret = usb_submit_urb(&tx_urb->urb, GFP_ATOMIC); 5640 if (ret) { 5641 usb_unanchor_urb(&tx_urb->urb); 5642 rtl8xxxu_free_tx_urb(priv, tx_urb); 5643 goto error; 5644 } 5645 return; 5646 error: 5647 dev_kfree_skb(skb); 5648 } 5649 5650 static void rtl8xxxu_send_beacon_frame(struct ieee80211_hw *hw, 5651 struct ieee80211_vif *vif) 5652 { 5653 struct rtl8xxxu_priv *priv = hw->priv; 5654 struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0); 5655 struct device *dev = &priv->udev->dev; 5656 int retry; 5657 u8 val8; 5658 5659 /* BCN_VALID, write 1 to clear, cleared by SW */ 5660 val8 = rtl8xxxu_read8(priv, REG_TDECTRL + 2); 5661 val8 |= BIT_BCN_VALID >> 16; 5662 rtl8xxxu_write8(priv, REG_TDECTRL + 2, val8); 5663 5664 /* SW_BCN_SEL - Port0 */ 5665 val8 = rtl8xxxu_read8(priv, REG_DWBCN1_CTRL_8723B + 2); 5666 val8 &= ~(BIT_SW_BCN_SEL >> 16); 5667 rtl8xxxu_write8(priv, REG_DWBCN1_CTRL_8723B + 2, val8); 5668 5669 if (skb) 5670 rtl8xxxu_tx(hw, NULL, skb); 5671 5672 retry = 100; 5673 do { 5674 val8 = rtl8xxxu_read8(priv, REG_TDECTRL + 2); 5675 if (val8 & (BIT_BCN_VALID >> 16)) 5676 break; 5677 usleep_range(10, 20); 5678 } while (--retry); 5679 5680 if (!retry) 5681 dev_err(dev, "%s: Failed to read beacon valid bit\n", __func__); 5682 } 5683 5684 static void rtl8xxxu_update_beacon_work_callback(struct work_struct *work) 5685 { 5686 struct rtl8xxxu_priv *priv = 5687 container_of(work, struct rtl8xxxu_priv, update_beacon_work.work); 5688 struct ieee80211_hw *hw = priv->hw; 5689 struct ieee80211_vif *vif = priv->vifs[0]; 5690 5691 if (!vif) { 5692 WARN_ONCE(true, "no vif to update beacon\n"); 5693 return; 5694 } 5695 5696 if (vif->bss_conf.csa_active) { 5697 if (ieee80211_beacon_cntdwn_is_complete(vif, 0)) { 5698 ieee80211_csa_finish(vif, 0); 5699 return; 5700 } 5701 schedule_delayed_work(&priv->update_beacon_work, 5702 msecs_to_jiffies(vif->bss_conf.beacon_int)); 5703 } 5704 rtl8xxxu_send_beacon_frame(hw, vif); 5705 } 5706 5707 static inline bool rtl8xxxu_is_packet_match_bssid(struct rtl8xxxu_priv *priv, 5708 struct ieee80211_hdr *hdr, 5709 int port_num) 5710 { 5711 return priv->vifs[port_num] && 5712 priv->vifs[port_num]->type == NL80211_IFTYPE_STATION && 5713 priv->vifs[port_num]->cfg.assoc && 5714 ether_addr_equal(priv->vifs[port_num]->bss_conf.bssid, hdr->addr2); 5715 } 5716 5717 static inline bool rtl8xxxu_is_sta_sta(struct rtl8xxxu_priv *priv) 5718 { 5719 return (priv->vifs[0] && priv->vifs[0]->cfg.assoc && 5720 priv->vifs[0]->type == NL80211_IFTYPE_STATION) && 5721 (priv->vifs[1] && priv->vifs[1]->cfg.assoc && 5722 priv->vifs[1]->type == NL80211_IFTYPE_STATION); 5723 } 5724 5725 void rtl8723au_rx_parse_phystats(struct rtl8xxxu_priv *priv, 5726 struct ieee80211_rx_status *rx_status, 5727 struct rtl8723au_phy_stats *phy_stats, 5728 u32 rxmcs, struct ieee80211_hdr *hdr, 5729 bool crc_icv_err) 5730 { 5731 if (phy_stats->sgi_en) 5732 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; 5733 5734 if (rxmcs < DESC_RATE_6M) { 5735 /* 5736 * Handle PHY stats for CCK rates 5737 */ 5738 rx_status->signal = priv->fops->cck_rssi(priv, phy_stats); 5739 } else { 5740 bool parse_cfo = priv->fops->set_crystal_cap && 5741 !crc_icv_err && 5742 !ieee80211_is_ctl(hdr->frame_control) && 5743 !rtl8xxxu_is_sta_sta(priv) && 5744 (rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) || 5745 rtl8xxxu_is_packet_match_bssid(priv, hdr, 1)); 5746 5747 if (parse_cfo) { 5748 priv->cfo_tracking.cfo_tail[0] = phy_stats->path_cfotail[0]; 5749 priv->cfo_tracking.cfo_tail[1] = phy_stats->path_cfotail[1]; 5750 5751 priv->cfo_tracking.packet_count++; 5752 } 5753 5754 rx_status->signal = 5755 (phy_stats->cck_sig_qual_ofdm_pwdb_all >> 1) - 110; 5756 } 5757 } 5758 5759 static void jaguar2_rx_parse_phystats_type0(struct rtl8xxxu_priv *priv, 5760 struct ieee80211_rx_status *rx_status, 5761 struct jaguar2_phy_stats_type0 *phy_stats0, 5762 u32 rxmcs, struct ieee80211_hdr *hdr, 5763 bool crc_icv_err) 5764 { 5765 s8 rx_power = phy_stats0->pwdb - 110; 5766 5767 if (!priv->cck_new_agc) 5768 rx_power = priv->fops->cck_rssi(priv, (struct rtl8723au_phy_stats *)phy_stats0); 5769 5770 rx_status->signal = rx_power; 5771 } 5772 5773 static void jaguar2_rx_parse_phystats_type1(struct rtl8xxxu_priv *priv, 5774 struct ieee80211_rx_status *rx_status, 5775 struct jaguar2_phy_stats_type1 *phy_stats1, 5776 u32 rxmcs, struct ieee80211_hdr *hdr, 5777 bool crc_icv_err) 5778 { 5779 bool parse_cfo = priv->fops->set_crystal_cap && 5780 !crc_icv_err && 5781 !ieee80211_is_ctl(hdr->frame_control) && 5782 !rtl8xxxu_is_sta_sta(priv) && 5783 (rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) || 5784 rtl8xxxu_is_packet_match_bssid(priv, hdr, 1)); 5785 u8 pwdb_max = 0; 5786 int rx_path; 5787 5788 if (parse_cfo) { 5789 /* Only path-A and path-B have CFO tail and short CFO */ 5790 priv->cfo_tracking.cfo_tail[RF_A] = phy_stats1->cfo_tail[RF_A]; 5791 priv->cfo_tracking.cfo_tail[RF_B] = phy_stats1->cfo_tail[RF_B]; 5792 5793 priv->cfo_tracking.packet_count++; 5794 } 5795 5796 for (rx_path = 0; rx_path < priv->rx_paths; rx_path++) 5797 pwdb_max = max(pwdb_max, phy_stats1->pwdb[rx_path]); 5798 5799 rx_status->signal = pwdb_max - 110; 5800 } 5801 5802 static void jaguar2_rx_parse_phystats_type2(struct rtl8xxxu_priv *priv, 5803 struct ieee80211_rx_status *rx_status, 5804 struct jaguar2_phy_stats_type2 *phy_stats2, 5805 u32 rxmcs, struct ieee80211_hdr *hdr, 5806 bool crc_icv_err) 5807 { 5808 u8 pwdb_max = 0; 5809 int rx_path; 5810 5811 for (rx_path = 0; rx_path < priv->rx_paths; rx_path++) 5812 pwdb_max = max(pwdb_max, phy_stats2->pwdb[rx_path]); 5813 5814 rx_status->signal = pwdb_max - 110; 5815 } 5816 5817 void jaguar2_rx_parse_phystats(struct rtl8xxxu_priv *priv, 5818 struct ieee80211_rx_status *rx_status, 5819 struct rtl8723au_phy_stats *phy_stats, 5820 u32 rxmcs, struct ieee80211_hdr *hdr, 5821 bool crc_icv_err) 5822 { 5823 struct jaguar2_phy_stats_type0 *phy_stats0 = (struct jaguar2_phy_stats_type0 *)phy_stats; 5824 struct jaguar2_phy_stats_type1 *phy_stats1 = (struct jaguar2_phy_stats_type1 *)phy_stats; 5825 struct jaguar2_phy_stats_type2 *phy_stats2 = (struct jaguar2_phy_stats_type2 *)phy_stats; 5826 5827 switch (phy_stats0->page_num) { 5828 case 0: 5829 /* CCK */ 5830 jaguar2_rx_parse_phystats_type0(priv, rx_status, phy_stats0, 5831 rxmcs, hdr, crc_icv_err); 5832 break; 5833 case 1: 5834 /* OFDM */ 5835 jaguar2_rx_parse_phystats_type1(priv, rx_status, phy_stats1, 5836 rxmcs, hdr, crc_icv_err); 5837 break; 5838 case 2: 5839 /* Also OFDM but different (how?) */ 5840 jaguar2_rx_parse_phystats_type2(priv, rx_status, phy_stats2, 5841 rxmcs, hdr, crc_icv_err); 5842 break; 5843 default: 5844 return; 5845 } 5846 } 5847 5848 static void rtl8xxxu_free_rx_resources(struct rtl8xxxu_priv *priv) 5849 { 5850 struct rtl8xxxu_rx_urb *rx_urb, *tmp; 5851 unsigned long flags; 5852 5853 spin_lock_irqsave(&priv->rx_urb_lock, flags); 5854 5855 list_for_each_entry_safe(rx_urb, tmp, 5856 &priv->rx_urb_pending_list, list) { 5857 list_del(&rx_urb->list); 5858 priv->rx_urb_pending_count--; 5859 usb_free_urb(&rx_urb->urb); 5860 } 5861 5862 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 5863 } 5864 5865 static void rtl8xxxu_queue_rx_urb(struct rtl8xxxu_priv *priv, 5866 struct rtl8xxxu_rx_urb *rx_urb) 5867 { 5868 struct sk_buff *skb; 5869 unsigned long flags; 5870 int pending = 0; 5871 5872 spin_lock_irqsave(&priv->rx_urb_lock, flags); 5873 5874 if (!priv->shutdown) { 5875 list_add_tail(&rx_urb->list, &priv->rx_urb_pending_list); 5876 priv->rx_urb_pending_count++; 5877 pending = priv->rx_urb_pending_count; 5878 } else { 5879 skb = (struct sk_buff *)rx_urb->urb.context; 5880 dev_kfree_skb_irq(skb); 5881 usb_free_urb(&rx_urb->urb); 5882 } 5883 5884 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 5885 5886 if (pending > RTL8XXXU_RX_URB_PENDING_WATER) 5887 schedule_work(&priv->rx_urb_wq); 5888 } 5889 5890 static void rtl8xxxu_rx_urb_work(struct work_struct *work) 5891 { 5892 struct rtl8xxxu_priv *priv; 5893 struct rtl8xxxu_rx_urb *rx_urb, *tmp; 5894 struct list_head local; 5895 struct sk_buff *skb; 5896 unsigned long flags; 5897 int ret; 5898 5899 priv = container_of(work, struct rtl8xxxu_priv, rx_urb_wq); 5900 INIT_LIST_HEAD(&local); 5901 5902 spin_lock_irqsave(&priv->rx_urb_lock, flags); 5903 5904 list_splice_init(&priv->rx_urb_pending_list, &local); 5905 priv->rx_urb_pending_count = 0; 5906 5907 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 5908 5909 list_for_each_entry_safe(rx_urb, tmp, &local, list) { 5910 list_del_init(&rx_urb->list); 5911 ret = rtl8xxxu_submit_rx_urb(priv, rx_urb); 5912 /* 5913 * If out of memory or temporary error, put it back on the 5914 * queue and try again. Otherwise the device is dead/gone 5915 * and we should drop it. 5916 */ 5917 switch (ret) { 5918 case 0: 5919 break; 5920 case -ENOMEM: 5921 case -EAGAIN: 5922 rtl8xxxu_queue_rx_urb(priv, rx_urb); 5923 break; 5924 default: 5925 dev_warn(&priv->udev->dev, 5926 "failed to requeue urb with error %i\n", ret); 5927 skb = (struct sk_buff *)rx_urb->urb.context; 5928 dev_kfree_skb(skb); 5929 usb_free_urb(&rx_urb->urb); 5930 } 5931 } 5932 } 5933 5934 /* 5935 * The RTL8723BU/RTL8192EU vendor driver use coexistence table type 5936 * 0-7 to represent writing different combinations of register values 5937 * to REG_BT_COEX_TABLEs. It's for different kinds of coexistence use 5938 * cases which Realtek doesn't provide detail for these settings. Keep 5939 * this aligned with vendor driver for easier maintenance. 5940 */ 5941 static 5942 void rtl8723bu_set_coex_with_type(struct rtl8xxxu_priv *priv, u8 type) 5943 { 5944 switch (type) { 5945 case 0: 5946 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555); 5947 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555); 5948 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5949 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5950 break; 5951 case 1: 5952 case 3: 5953 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555); 5954 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x5a5a5a5a); 5955 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5956 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5957 break; 5958 case 2: 5959 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x5a5a5a5a); 5960 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x5a5a5a5a); 5961 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5962 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5963 break; 5964 case 4: 5965 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x5a5a5a5a); 5966 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaaaa5a5a); 5967 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5968 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5969 break; 5970 case 5: 5971 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x5a5a5a5a); 5972 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaa5a5a5a); 5973 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5974 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5975 break; 5976 case 6: 5977 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555); 5978 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaaaaaaaa); 5979 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5980 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5981 break; 5982 case 7: 5983 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0xaaaaaaaa); 5984 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaaaaaaaa); 5985 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5986 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5987 break; 5988 default: 5989 break; 5990 } 5991 } 5992 5993 static 5994 void rtl8723bu_update_bt_link_info(struct rtl8xxxu_priv *priv, u8 bt_info) 5995 { 5996 struct rtl8xxxu_btcoex *btcoex = &priv->bt_coex; 5997 5998 if (bt_info & BT_INFO_8723B_1ANT_B_INQ_PAGE) 5999 btcoex->c2h_bt_inquiry = true; 6000 else 6001 btcoex->c2h_bt_inquiry = false; 6002 6003 if (!(bt_info & BT_INFO_8723B_1ANT_B_CONNECTION)) { 6004 btcoex->bt_status = BT_8723B_1ANT_STATUS_NON_CONNECTED_IDLE; 6005 btcoex->has_sco = false; 6006 btcoex->has_hid = false; 6007 btcoex->has_pan = false; 6008 btcoex->has_a2dp = false; 6009 } else { 6010 if ((bt_info & 0x1f) == BT_INFO_8723B_1ANT_B_CONNECTION) 6011 btcoex->bt_status = BT_8723B_1ANT_STATUS_CONNECTED_IDLE; 6012 else if ((bt_info & BT_INFO_8723B_1ANT_B_SCO_ESCO) || 6013 (bt_info & BT_INFO_8723B_1ANT_B_SCO_BUSY)) 6014 btcoex->bt_status = BT_8723B_1ANT_STATUS_SCO_BUSY; 6015 else if (bt_info & BT_INFO_8723B_1ANT_B_ACL_BUSY) 6016 btcoex->bt_status = BT_8723B_1ANT_STATUS_ACL_BUSY; 6017 else 6018 btcoex->bt_status = BT_8723B_1ANT_STATUS_MAX; 6019 6020 if (bt_info & BT_INFO_8723B_1ANT_B_FTP) 6021 btcoex->has_pan = true; 6022 else 6023 btcoex->has_pan = false; 6024 6025 if (bt_info & BT_INFO_8723B_1ANT_B_A2DP) 6026 btcoex->has_a2dp = true; 6027 else 6028 btcoex->has_a2dp = false; 6029 6030 if (bt_info & BT_INFO_8723B_1ANT_B_HID) 6031 btcoex->has_hid = true; 6032 else 6033 btcoex->has_hid = false; 6034 6035 if (bt_info & BT_INFO_8723B_1ANT_B_SCO_ESCO) 6036 btcoex->has_sco = true; 6037 else 6038 btcoex->has_sco = false; 6039 } 6040 6041 if (!btcoex->has_a2dp && !btcoex->has_sco && 6042 !btcoex->has_pan && btcoex->has_hid) 6043 btcoex->hid_only = true; 6044 else 6045 btcoex->hid_only = false; 6046 6047 if (!btcoex->has_sco && !btcoex->has_pan && 6048 !btcoex->has_hid && btcoex->has_a2dp) 6049 btcoex->has_a2dp = true; 6050 else 6051 btcoex->has_a2dp = false; 6052 6053 if (btcoex->bt_status == BT_8723B_1ANT_STATUS_SCO_BUSY || 6054 btcoex->bt_status == BT_8723B_1ANT_STATUS_ACL_BUSY) 6055 btcoex->bt_busy = true; 6056 else 6057 btcoex->bt_busy = false; 6058 } 6059 6060 static inline bool rtl8xxxu_is_assoc(struct rtl8xxxu_priv *priv) 6061 { 6062 return (priv->vifs[0] && priv->vifs[0]->cfg.assoc) || 6063 (priv->vifs[1] && priv->vifs[1]->cfg.assoc); 6064 } 6065 6066 static 6067 void rtl8723bu_handle_bt_inquiry(struct rtl8xxxu_priv *priv) 6068 { 6069 struct rtl8xxxu_btcoex *btcoex; 6070 6071 btcoex = &priv->bt_coex; 6072 6073 if (!rtl8xxxu_is_assoc(priv)) { 6074 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0); 6075 rtl8723bu_set_coex_with_type(priv, 0); 6076 } else if (btcoex->has_sco || btcoex->has_hid || btcoex->has_a2dp) { 6077 rtl8723bu_set_ps_tdma(priv, 0x61, 0x35, 0x3, 0x11, 0x11); 6078 rtl8723bu_set_coex_with_type(priv, 4); 6079 } else if (btcoex->has_pan) { 6080 rtl8723bu_set_ps_tdma(priv, 0x61, 0x3f, 0x3, 0x11, 0x11); 6081 rtl8723bu_set_coex_with_type(priv, 4); 6082 } else { 6083 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0); 6084 rtl8723bu_set_coex_with_type(priv, 7); 6085 } 6086 } 6087 6088 static 6089 void rtl8723bu_handle_bt_info(struct rtl8xxxu_priv *priv) 6090 { 6091 struct rtl8xxxu_btcoex *btcoex; 6092 6093 btcoex = &priv->bt_coex; 6094 6095 if (rtl8xxxu_is_assoc(priv)) { 6096 u32 val32 = 0; 6097 u32 high_prio_tx = 0, high_prio_rx = 0; 6098 6099 val32 = rtl8xxxu_read32(priv, 0x770); 6100 high_prio_tx = val32 & 0x0000ffff; 6101 high_prio_rx = (val32 & 0xffff0000) >> 16; 6102 6103 if (btcoex->bt_busy) { 6104 if (btcoex->hid_only) { 6105 rtl8723bu_set_ps_tdma(priv, 0x61, 0x20, 6106 0x3, 0x11, 0x11); 6107 rtl8723bu_set_coex_with_type(priv, 5); 6108 } else if (btcoex->a2dp_only) { 6109 rtl8723bu_set_ps_tdma(priv, 0x61, 0x35, 6110 0x3, 0x11, 0x11); 6111 rtl8723bu_set_coex_with_type(priv, 4); 6112 } else if ((btcoex->has_a2dp && btcoex->has_pan) || 6113 (btcoex->has_hid && btcoex->has_a2dp && 6114 btcoex->has_pan)) { 6115 rtl8723bu_set_ps_tdma(priv, 0x51, 0x21, 6116 0x3, 0x10, 0x10); 6117 rtl8723bu_set_coex_with_type(priv, 4); 6118 } else if (btcoex->has_hid && btcoex->has_a2dp) { 6119 rtl8723bu_set_ps_tdma(priv, 0x51, 0x21, 6120 0x3, 0x10, 0x10); 6121 rtl8723bu_set_coex_with_type(priv, 3); 6122 } else { 6123 rtl8723bu_set_ps_tdma(priv, 0x61, 0x35, 6124 0x3, 0x11, 0x11); 6125 rtl8723bu_set_coex_with_type(priv, 4); 6126 } 6127 } else { 6128 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0); 6129 if (high_prio_tx + high_prio_rx <= 60) 6130 rtl8723bu_set_coex_with_type(priv, 2); 6131 else 6132 rtl8723bu_set_coex_with_type(priv, 7); 6133 } 6134 } else { 6135 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0); 6136 rtl8723bu_set_coex_with_type(priv, 0); 6137 } 6138 } 6139 6140 static void rtl8xxxu_c2hcmd_callback(struct work_struct *work) 6141 { 6142 struct rtl8xxxu_priv *priv; 6143 struct rtl8723bu_c2h *c2h; 6144 struct sk_buff *skb = NULL; 6145 u8 bt_info = 0; 6146 struct rtl8xxxu_btcoex *btcoex; 6147 struct rtl8xxxu_ra_report *rarpt; 6148 u8 bw; 6149 6150 priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work); 6151 btcoex = &priv->bt_coex; 6152 rarpt = &priv->ra_report; 6153 6154 while (!skb_queue_empty(&priv->c2hcmd_queue)) { 6155 skb = skb_dequeue(&priv->c2hcmd_queue); 6156 6157 c2h = (struct rtl8723bu_c2h *)skb->data; 6158 6159 switch (c2h->id) { 6160 case C2H_8723B_BT_INFO: 6161 bt_info = c2h->bt_info.bt_info; 6162 6163 rtl8723bu_update_bt_link_info(priv, bt_info); 6164 if (btcoex->c2h_bt_inquiry) { 6165 rtl8723bu_handle_bt_inquiry(priv); 6166 break; 6167 } 6168 rtl8723bu_handle_bt_info(priv); 6169 break; 6170 case C2H_8723B_RA_REPORT: 6171 bw = rarpt->txrate.bw; 6172 6173 if (skb->len >= offsetofend(typeof(*c2h), ra_report.bw)) { 6174 if (c2h->ra_report.bw == RTL8XXXU_CHANNEL_WIDTH_40) 6175 bw = RATE_INFO_BW_40; 6176 else 6177 bw = RATE_INFO_BW_20; 6178 } 6179 6180 rtl8xxxu_update_ra_report(rarpt, c2h->ra_report.rate, 6181 c2h->ra_report.sgi, bw); 6182 break; 6183 default: 6184 break; 6185 } 6186 6187 dev_kfree_skb(skb); 6188 } 6189 } 6190 6191 static void rtl8723bu_handle_c2h(struct rtl8xxxu_priv *priv, 6192 struct sk_buff *skb) 6193 { 6194 struct rtl8723bu_c2h *c2h = (struct rtl8723bu_c2h *)skb->data; 6195 struct device *dev = &priv->udev->dev; 6196 int len; 6197 6198 len = skb->len - 2; 6199 6200 dev_dbg(dev, "C2H ID %02x seq %02x, len %02x source %02x\n", 6201 c2h->id, c2h->seq, len, c2h->bt_info.response_source); 6202 6203 switch(c2h->id) { 6204 case C2H_8723B_BT_INFO: 6205 if (c2h->bt_info.response_source > 6206 BT_INFO_SRC_8723B_BT_ACTIVE_SEND) 6207 dev_dbg(dev, "C2H_BT_INFO WiFi only firmware\n"); 6208 else 6209 dev_dbg(dev, "C2H_BT_INFO BT/WiFi coexist firmware\n"); 6210 6211 if (c2h->bt_info.bt_has_reset) 6212 dev_dbg(dev, "BT has been reset\n"); 6213 if (c2h->bt_info.tx_rx_mask) 6214 dev_dbg(dev, "BT TRx mask\n"); 6215 6216 break; 6217 case C2H_8723B_BT_MP_INFO: 6218 dev_dbg(dev, "C2H_MP_INFO ext ID %02x, status %02x\n", 6219 c2h->bt_mp_info.ext_id, c2h->bt_mp_info.status); 6220 break; 6221 case C2H_8723B_RA_REPORT: 6222 dev_dbg(dev, 6223 "C2H RA RPT: rate %02x, unk %i, macid %02x, noise %i\n", 6224 c2h->ra_report.rate, c2h->ra_report.sgi, 6225 c2h->ra_report.macid, c2h->ra_report.noisy_state); 6226 break; 6227 default: 6228 dev_info(dev, "Unhandled C2H event %02x seq %02x\n", 6229 c2h->id, c2h->seq); 6230 print_hex_dump(KERN_INFO, "C2H content: ", DUMP_PREFIX_NONE, 6231 16, 1, c2h->raw.payload, len, false); 6232 break; 6233 } 6234 6235 skb_queue_tail(&priv->c2hcmd_queue, skb); 6236 6237 schedule_work(&priv->c2hcmd_work); 6238 } 6239 6240 static void rtl8188e_c2hcmd_callback(struct work_struct *work) 6241 { 6242 struct rtl8xxxu_priv *priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work); 6243 struct device *dev = &priv->udev->dev; 6244 struct sk_buff *skb = NULL; 6245 struct rtl8xxxu_rxdesc16 *rx_desc; 6246 6247 while (!skb_queue_empty(&priv->c2hcmd_queue)) { 6248 skb = skb_dequeue(&priv->c2hcmd_queue); 6249 6250 rx_desc = (struct rtl8xxxu_rxdesc16 *)(skb->data - sizeof(struct rtl8xxxu_rxdesc16)); 6251 6252 switch (rx_desc->rpt_sel) { 6253 case 1: 6254 dev_dbg(dev, "C2H TX report type 1\n"); 6255 6256 break; 6257 case 2: 6258 dev_dbg(dev, "C2H TX report type 2\n"); 6259 6260 rtl8188e_handle_ra_tx_report2(priv, skb); 6261 6262 break; 6263 case 3: 6264 dev_dbg(dev, "C2H USB interrupt report\n"); 6265 6266 break; 6267 default: 6268 dev_warn(dev, "%s: rpt_sel should not be %d\n", 6269 __func__, rx_desc->rpt_sel); 6270 6271 break; 6272 } 6273 6274 dev_kfree_skb(skb); 6275 } 6276 } 6277 6278 #define rtl8xxxu_iterate_vifs_atomic(priv, iterator, data) \ 6279 ieee80211_iterate_active_interfaces_atomic((priv)->hw, \ 6280 IEEE80211_IFACE_ITER_NORMAL, iterator, data) 6281 6282 struct rtl8xxxu_rx_update_rssi_data { 6283 struct rtl8xxxu_priv *priv; 6284 struct ieee80211_hdr *hdr; 6285 struct ieee80211_rx_status *rx_status; 6286 u8 *bssid; 6287 }; 6288 6289 static void rtl8xxxu_rx_update_rssi_iter(void *data, u8 *mac, 6290 struct ieee80211_vif *vif) 6291 { 6292 struct rtl8xxxu_rx_update_rssi_data *iter_data = data; 6293 struct ieee80211_sta *sta; 6294 struct ieee80211_hdr *hdr = iter_data->hdr; 6295 struct rtl8xxxu_priv *priv = iter_data->priv; 6296 struct rtl8xxxu_sta_info *sta_info; 6297 struct ieee80211_rx_status *rx_status = iter_data->rx_status; 6298 u8 *bssid = iter_data->bssid; 6299 6300 if (!ether_addr_equal(vif->bss_conf.bssid, bssid)) 6301 return; 6302 6303 if (!(ether_addr_equal(vif->addr, hdr->addr1) || 6304 ieee80211_is_beacon(hdr->frame_control))) 6305 return; 6306 6307 sta = ieee80211_find_sta_by_ifaddr(priv->hw, hdr->addr2, 6308 vif->addr); 6309 if (!sta) 6310 return; 6311 6312 sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 6313 ewma_rssi_add(&sta_info->avg_rssi, -rx_status->signal); 6314 } 6315 6316 static inline u8 *get_hdr_bssid(struct ieee80211_hdr *hdr) 6317 { 6318 __le16 fc = hdr->frame_control; 6319 u8 *bssid; 6320 6321 if (ieee80211_has_tods(fc)) 6322 bssid = hdr->addr1; 6323 else if (ieee80211_has_fromds(fc)) 6324 bssid = hdr->addr2; 6325 else 6326 bssid = hdr->addr3; 6327 6328 return bssid; 6329 } 6330 6331 static void rtl8xxxu_rx_update_rssi(struct rtl8xxxu_priv *priv, 6332 struct ieee80211_rx_status *rx_status, 6333 struct ieee80211_hdr *hdr) 6334 { 6335 struct rtl8xxxu_rx_update_rssi_data data = {}; 6336 6337 if (ieee80211_is_ctl(hdr->frame_control)) 6338 return; 6339 6340 data.priv = priv; 6341 data.hdr = hdr; 6342 data.rx_status = rx_status; 6343 data.bssid = get_hdr_bssid(hdr); 6344 6345 rtl8xxxu_iterate_vifs_atomic(priv, rtl8xxxu_rx_update_rssi_iter, &data); 6346 } 6347 6348 int rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv *priv, struct sk_buff *skb) 6349 { 6350 struct ieee80211_hw *hw = priv->hw; 6351 struct ieee80211_rx_status *rx_status; 6352 struct rtl8xxxu_rxdesc16 *rx_desc; 6353 struct rtl8723au_phy_stats *phy_stats; 6354 struct sk_buff *next_skb = NULL; 6355 __le32 *_rx_desc_le; 6356 u32 *_rx_desc; 6357 int drvinfo_sz, desc_shift; 6358 int i, pkt_cnt, pkt_len, urb_len, pkt_offset; 6359 6360 urb_len = skb->len; 6361 pkt_cnt = 0; 6362 6363 if (urb_len < sizeof(struct rtl8xxxu_rxdesc16)) { 6364 kfree_skb(skb); 6365 return RX_TYPE_ERROR; 6366 } 6367 6368 do { 6369 rx_desc = (struct rtl8xxxu_rxdesc16 *)skb->data; 6370 _rx_desc_le = (__le32 *)skb->data; 6371 _rx_desc = (u32 *)skb->data; 6372 6373 for (i = 0; 6374 i < (sizeof(struct rtl8xxxu_rxdesc16) / sizeof(u32)); i++) 6375 _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]); 6376 6377 /* 6378 * Only read pkt_cnt from the header if we're parsing the 6379 * first packet 6380 */ 6381 if (!pkt_cnt) 6382 pkt_cnt = rx_desc->pkt_cnt; 6383 pkt_len = rx_desc->pktlen; 6384 6385 drvinfo_sz = rx_desc->drvinfo_sz * 8; 6386 desc_shift = rx_desc->shift; 6387 pkt_offset = roundup(pkt_len + drvinfo_sz + desc_shift + 6388 sizeof(struct rtl8xxxu_rxdesc16), 128); 6389 6390 /* 6391 * Only clone the skb if there's enough data at the end to 6392 * at least cover the rx descriptor 6393 */ 6394 if (pkt_cnt > 1 && 6395 urb_len >= (pkt_offset + sizeof(struct rtl8xxxu_rxdesc16))) 6396 next_skb = skb_clone(skb, GFP_ATOMIC); 6397 6398 rx_status = IEEE80211_SKB_RXCB(skb); 6399 memset(rx_status, 0, sizeof(struct ieee80211_rx_status)); 6400 6401 skb_pull(skb, sizeof(struct rtl8xxxu_rxdesc16)); 6402 6403 if (rx_desc->rpt_sel) { 6404 skb_queue_tail(&priv->c2hcmd_queue, skb); 6405 schedule_work(&priv->c2hcmd_work); 6406 } else { 6407 struct ieee80211_hdr *hdr; 6408 6409 phy_stats = (struct rtl8723au_phy_stats *)skb->data; 6410 6411 skb_pull(skb, drvinfo_sz + desc_shift); 6412 6413 skb_trim(skb, pkt_len); 6414 6415 hdr = (struct ieee80211_hdr *)skb->data; 6416 if (rx_desc->phy_stats) { 6417 priv->fops->parse_phystats( 6418 priv, rx_status, phy_stats, 6419 rx_desc->rxmcs, 6420 hdr, 6421 rx_desc->crc32 || rx_desc->icverr); 6422 if (!rx_desc->crc32 && !rx_desc->icverr) 6423 rtl8xxxu_rx_update_rssi(priv, 6424 rx_status, 6425 hdr); 6426 } 6427 6428 rx_status->mactime = rx_desc->tsfl; 6429 rx_status->flag |= RX_FLAG_MACTIME_START; 6430 6431 if (!rx_desc->swdec && 6432 rx_desc->security != RX_DESC_ENC_NONE) 6433 rx_status->flag |= RX_FLAG_DECRYPTED; 6434 if (rx_desc->crc32) 6435 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 6436 if (rx_desc->bw) 6437 rx_status->bw = RATE_INFO_BW_40; 6438 6439 if (rx_desc->rxht) { 6440 rx_status->encoding = RX_ENC_HT; 6441 rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0; 6442 } else { 6443 rx_status->rate_idx = rx_desc->rxmcs; 6444 } 6445 6446 rx_status->freq = hw->conf.chandef.chan->center_freq; 6447 rx_status->band = hw->conf.chandef.chan->band; 6448 6449 ieee80211_rx_irqsafe(hw, skb); 6450 } 6451 6452 skb = next_skb; 6453 if (skb) 6454 skb_pull(next_skb, pkt_offset); 6455 6456 pkt_cnt--; 6457 urb_len -= pkt_offset; 6458 next_skb = NULL; 6459 } while (skb && pkt_cnt > 0 && 6460 urb_len >= sizeof(struct rtl8xxxu_rxdesc16)); 6461 6462 return RX_TYPE_DATA_PKT; 6463 } 6464 6465 int rtl8xxxu_parse_rxdesc24(struct rtl8xxxu_priv *priv, struct sk_buff *skb) 6466 { 6467 struct ieee80211_hw *hw = priv->hw; 6468 struct ieee80211_rx_status *rx_status; 6469 struct rtl8xxxu_rxdesc24 *rx_desc; 6470 struct rtl8723au_phy_stats *phy_stats; 6471 struct sk_buff *next_skb = NULL; 6472 __le32 *_rx_desc_le; 6473 u32 *_rx_desc; 6474 int drvinfo_sz, desc_shift; 6475 int i, pkt_len, urb_len, pkt_offset; 6476 6477 urb_len = skb->len; 6478 6479 if (urb_len < sizeof(struct rtl8xxxu_rxdesc24)) { 6480 kfree_skb(skb); 6481 return RX_TYPE_ERROR; 6482 } 6483 6484 do { 6485 rx_desc = (struct rtl8xxxu_rxdesc24 *)skb->data; 6486 _rx_desc_le = (__le32 *)skb->data; 6487 _rx_desc = (u32 *)skb->data; 6488 6489 for (i = 0; i < (sizeof(struct rtl8xxxu_rxdesc24) / sizeof(u32)); i++) 6490 _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]); 6491 6492 pkt_len = rx_desc->pktlen; 6493 6494 drvinfo_sz = rx_desc->drvinfo_sz * 8; 6495 desc_shift = rx_desc->shift; 6496 pkt_offset = roundup(pkt_len + drvinfo_sz + desc_shift + 6497 sizeof(struct rtl8xxxu_rxdesc24), 8); 6498 6499 /* 6500 * Only clone the skb if there's enough data at the end to 6501 * at least cover the rx descriptor 6502 */ 6503 if (urb_len >= (pkt_offset + sizeof(struct rtl8xxxu_rxdesc24))) 6504 next_skb = skb_clone(skb, GFP_ATOMIC); 6505 6506 rx_status = IEEE80211_SKB_RXCB(skb); 6507 memset(rx_status, 0, sizeof(struct ieee80211_rx_status)); 6508 6509 skb_pull(skb, sizeof(struct rtl8xxxu_rxdesc24)); 6510 6511 phy_stats = (struct rtl8723au_phy_stats *)skb->data; 6512 6513 skb_pull(skb, drvinfo_sz + desc_shift); 6514 6515 skb_trim(skb, pkt_len); 6516 6517 if (rx_desc->rpt_sel) { 6518 struct device *dev = &priv->udev->dev; 6519 dev_dbg(dev, "%s: C2H packet\n", __func__); 6520 rtl8723bu_handle_c2h(priv, skb); 6521 } else { 6522 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 6523 6524 if (rx_desc->phy_stats) { 6525 priv->fops->parse_phystats(priv, rx_status, phy_stats, 6526 rx_desc->rxmcs, hdr, 6527 rx_desc->crc32 || rx_desc->icverr); 6528 if (!rx_desc->crc32 && !rx_desc->icverr) 6529 rtl8xxxu_rx_update_rssi(priv, 6530 rx_status, 6531 hdr); 6532 } 6533 6534 rx_status->mactime = rx_desc->tsfl; 6535 rx_status->flag |= RX_FLAG_MACTIME_START; 6536 6537 if (!rx_desc->swdec && 6538 rx_desc->security != RX_DESC_ENC_NONE) 6539 rx_status->flag |= RX_FLAG_DECRYPTED; 6540 if (rx_desc->crc32) 6541 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 6542 if (rx_desc->bw) 6543 rx_status->bw = RATE_INFO_BW_40; 6544 6545 if (rx_desc->rxmcs >= DESC_RATE_MCS0) { 6546 rx_status->encoding = RX_ENC_HT; 6547 rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0; 6548 } else { 6549 rx_status->rate_idx = rx_desc->rxmcs; 6550 } 6551 6552 rx_status->freq = hw->conf.chandef.chan->center_freq; 6553 rx_status->band = hw->conf.chandef.chan->band; 6554 6555 ieee80211_rx_irqsafe(hw, skb); 6556 } 6557 6558 skb = next_skb; 6559 if (skb) 6560 skb_pull(next_skb, pkt_offset); 6561 6562 urb_len -= pkt_offset; 6563 next_skb = NULL; 6564 } while (skb && urb_len >= sizeof(struct rtl8xxxu_rxdesc24)); 6565 6566 return RX_TYPE_DATA_PKT; 6567 } 6568 6569 static void rtl8xxxu_rx_complete(struct urb *urb) 6570 { 6571 struct rtl8xxxu_rx_urb *rx_urb = 6572 container_of(urb, struct rtl8xxxu_rx_urb, urb); 6573 struct ieee80211_hw *hw = rx_urb->hw; 6574 struct rtl8xxxu_priv *priv = hw->priv; 6575 struct sk_buff *skb = (struct sk_buff *)urb->context; 6576 struct device *dev = &priv->udev->dev; 6577 6578 skb_put(skb, urb->actual_length); 6579 6580 if (urb->status == 0) { 6581 priv->fops->parse_rx_desc(priv, skb); 6582 6583 skb = NULL; 6584 rx_urb->urb.context = NULL; 6585 rtl8xxxu_queue_rx_urb(priv, rx_urb); 6586 } else { 6587 dev_dbg(dev, "%s: status %i\n", __func__, urb->status); 6588 goto cleanup; 6589 } 6590 return; 6591 6592 cleanup: 6593 usb_free_urb(urb); 6594 dev_kfree_skb(skb); 6595 } 6596 6597 static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv, 6598 struct rtl8xxxu_rx_urb *rx_urb) 6599 { 6600 struct rtl8xxxu_fileops *fops = priv->fops; 6601 struct sk_buff *skb; 6602 int skb_size; 6603 int ret, rx_desc_sz; 6604 6605 rx_desc_sz = fops->rx_desc_size; 6606 6607 if (priv->rx_buf_aggregation && fops->rx_agg_buf_size) { 6608 skb_size = fops->rx_agg_buf_size; 6609 skb_size += (rx_desc_sz + sizeof(struct rtl8723au_phy_stats)); 6610 } else { 6611 skb_size = IEEE80211_MAX_FRAME_LEN; 6612 } 6613 6614 skb = __netdev_alloc_skb(NULL, skb_size, GFP_KERNEL); 6615 if (!skb) 6616 return -ENOMEM; 6617 6618 memset(skb->data, 0, rx_desc_sz); 6619 usb_fill_bulk_urb(&rx_urb->urb, priv->udev, priv->pipe_in, skb->data, 6620 skb_size, rtl8xxxu_rx_complete, skb); 6621 usb_anchor_urb(&rx_urb->urb, &priv->rx_anchor); 6622 ret = usb_submit_urb(&rx_urb->urb, GFP_ATOMIC); 6623 if (ret) 6624 usb_unanchor_urb(&rx_urb->urb); 6625 return ret; 6626 } 6627 6628 static void rtl8xxxu_int_complete(struct urb *urb) 6629 { 6630 struct rtl8xxxu_priv *priv = (struct rtl8xxxu_priv *)urb->context; 6631 struct device *dev = &priv->udev->dev; 6632 int ret; 6633 6634 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_INTERRUPT) 6635 dev_dbg(dev, "%s: status %i\n", __func__, urb->status); 6636 if (urb->status == 0) { 6637 usb_anchor_urb(urb, &priv->int_anchor); 6638 ret = usb_submit_urb(urb, GFP_ATOMIC); 6639 if (ret) 6640 usb_unanchor_urb(urb); 6641 } else { 6642 dev_dbg(dev, "%s: Error %i\n", __func__, urb->status); 6643 } 6644 } 6645 6646 6647 static int rtl8xxxu_submit_int_urb(struct ieee80211_hw *hw) 6648 { 6649 struct rtl8xxxu_priv *priv = hw->priv; 6650 struct urb *urb; 6651 u32 val32; 6652 int ret; 6653 6654 urb = usb_alloc_urb(0, GFP_KERNEL); 6655 if (!urb) 6656 return -ENOMEM; 6657 6658 usb_fill_int_urb(urb, priv->udev, priv->pipe_interrupt, 6659 priv->int_buf, USB_INTR_CONTENT_LENGTH, 6660 rtl8xxxu_int_complete, priv, 1); 6661 usb_anchor_urb(urb, &priv->int_anchor); 6662 ret = usb_submit_urb(urb, GFP_KERNEL); 6663 if (ret) { 6664 usb_unanchor_urb(urb); 6665 goto error; 6666 } 6667 6668 val32 = rtl8xxxu_read32(priv, REG_USB_HIMR); 6669 val32 |= USB_HIMR_CPWM; 6670 rtl8xxxu_write32(priv, REG_USB_HIMR, val32); 6671 6672 error: 6673 usb_free_urb(urb); 6674 return ret; 6675 } 6676 6677 static void rtl8xxxu_switch_ports(struct rtl8xxxu_priv *priv) 6678 { 6679 u8 macid[ETH_ALEN], bssid[ETH_ALEN], macid_1[ETH_ALEN], bssid_1[ETH_ALEN]; 6680 u8 msr, bcn_ctrl, bcn_ctrl_1, atimwnd[2], atimwnd_1[2]; 6681 struct rtl8xxxu_vif *rtlvif; 6682 u8 tsftr[8], tsftr_1[8]; 6683 int i; 6684 6685 msr = rtl8xxxu_read8(priv, REG_MSR); 6686 bcn_ctrl = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 6687 bcn_ctrl_1 = rtl8xxxu_read8(priv, REG_BEACON_CTRL_1); 6688 6689 for (i = 0; i < ARRAY_SIZE(atimwnd); i++) 6690 atimwnd[i] = rtl8xxxu_read8(priv, REG_ATIMWND + i); 6691 for (i = 0; i < ARRAY_SIZE(atimwnd_1); i++) 6692 atimwnd_1[i] = rtl8xxxu_read8(priv, REG_ATIMWND_1 + i); 6693 6694 for (i = 0; i < ARRAY_SIZE(tsftr); i++) 6695 tsftr[i] = rtl8xxxu_read8(priv, REG_TSFTR + i); 6696 for (i = 0; i < ARRAY_SIZE(tsftr); i++) 6697 tsftr_1[i] = rtl8xxxu_read8(priv, REG_TSFTR1 + i); 6698 6699 for (i = 0; i < ARRAY_SIZE(macid); i++) 6700 macid[i] = rtl8xxxu_read8(priv, REG_MACID + i); 6701 6702 for (i = 0; i < ARRAY_SIZE(bssid); i++) 6703 bssid[i] = rtl8xxxu_read8(priv, REG_BSSID + i); 6704 6705 for (i = 0; i < ARRAY_SIZE(macid_1); i++) 6706 macid_1[i] = rtl8xxxu_read8(priv, REG_MACID1 + i); 6707 6708 for (i = 0; i < ARRAY_SIZE(bssid_1); i++) 6709 bssid_1[i] = rtl8xxxu_read8(priv, REG_BSSID1 + i); 6710 6711 /* disable bcn function, disable update TSF */ 6712 rtl8xxxu_write8(priv, REG_BEACON_CTRL, (bcn_ctrl & 6713 (~BEACON_FUNCTION_ENABLE)) | BEACON_DISABLE_TSF_UPDATE); 6714 rtl8xxxu_write8(priv, REG_BEACON_CTRL_1, (bcn_ctrl_1 & 6715 (~BEACON_FUNCTION_ENABLE)) | BEACON_DISABLE_TSF_UPDATE); 6716 6717 /* switch msr */ 6718 msr = (msr & 0xf0) | ((msr & 0x03) << 2) | ((msr & 0x0c) >> 2); 6719 rtl8xxxu_write8(priv, REG_MSR, msr); 6720 6721 /* write port0 */ 6722 rtl8xxxu_write8(priv, REG_BEACON_CTRL, bcn_ctrl_1 & ~BEACON_FUNCTION_ENABLE); 6723 for (i = 0; i < ARRAY_SIZE(atimwnd_1); i++) 6724 rtl8xxxu_write8(priv, REG_ATIMWND + i, atimwnd_1[i]); 6725 for (i = 0; i < ARRAY_SIZE(tsftr_1); i++) 6726 rtl8xxxu_write8(priv, REG_TSFTR + i, tsftr_1[i]); 6727 for (i = 0; i < ARRAY_SIZE(macid_1); i++) 6728 rtl8xxxu_write8(priv, REG_MACID + i, macid_1[i]); 6729 for (i = 0; i < ARRAY_SIZE(bssid_1); i++) 6730 rtl8xxxu_write8(priv, REG_BSSID + i, bssid_1[i]); 6731 6732 /* write port1 */ 6733 rtl8xxxu_write8(priv, REG_BEACON_CTRL_1, bcn_ctrl & ~BEACON_FUNCTION_ENABLE); 6734 for (i = 0; i < ARRAY_SIZE(atimwnd); i++) 6735 rtl8xxxu_write8(priv, REG_ATIMWND_1 + i, atimwnd[i]); 6736 for (i = 0; i < ARRAY_SIZE(tsftr); i++) 6737 rtl8xxxu_write8(priv, REG_TSFTR1 + i, tsftr[i]); 6738 for (i = 0; i < ARRAY_SIZE(macid); i++) 6739 rtl8xxxu_write8(priv, REG_MACID1 + i, macid[i]); 6740 for (i = 0; i < ARRAY_SIZE(bssid); i++) 6741 rtl8xxxu_write8(priv, REG_BSSID1 + i, bssid[i]); 6742 6743 /* write bcn ctl */ 6744 rtl8xxxu_write8(priv, REG_BEACON_CTRL, bcn_ctrl_1); 6745 rtl8xxxu_write8(priv, REG_BEACON_CTRL_1, bcn_ctrl); 6746 swap(priv->vifs[0], priv->vifs[1]); 6747 6748 /* priv->vifs[0] is NULL here, based on how this function is currently 6749 * called from rtl8xxxu_add_interface(). 6750 * When this function will be used in the future for a different 6751 * scenario, please check whether vifs[0] or vifs[1] can be NULL and if 6752 * necessary add code to set port_num = 1. 6753 */ 6754 rtlvif = (struct rtl8xxxu_vif *)priv->vifs[1]->drv_priv; 6755 rtlvif->port_num = 1; 6756 } 6757 6758 static int rtl8xxxu_add_interface(struct ieee80211_hw *hw, 6759 struct ieee80211_vif *vif) 6760 { 6761 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 6762 struct rtl8xxxu_priv *priv = hw->priv; 6763 int port_num; 6764 u8 val8; 6765 6766 if (!priv->vifs[0]) 6767 port_num = 0; 6768 else if (!priv->vifs[1]) 6769 port_num = 1; 6770 else 6771 return -EOPNOTSUPP; 6772 6773 switch (vif->type) { 6774 case NL80211_IFTYPE_STATION: 6775 if (port_num == 0) { 6776 rtl8xxxu_stop_tx_beacon(priv); 6777 6778 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 6779 val8 |= BEACON_ATIM | BEACON_FUNCTION_ENABLE | 6780 BEACON_DISABLE_TSF_UPDATE; 6781 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); 6782 } 6783 break; 6784 case NL80211_IFTYPE_AP: 6785 if (port_num == 1) { 6786 rtl8xxxu_switch_ports(priv); 6787 port_num = 0; 6788 } 6789 6790 rtl8xxxu_write8(priv, REG_BEACON_CTRL, 6791 BEACON_DISABLE_TSF_UPDATE | BEACON_CTRL_MBSSID); 6792 rtl8xxxu_write8(priv, REG_ATIMWND, 0x0c); /* 12ms */ 6793 rtl8xxxu_write16(priv, REG_TSFTR_SYN_OFFSET, 0x7fff); /* ~32ms */ 6794 rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, DUAL_TSF_RESET_TSF0); 6795 6796 /* enable BCN0 function */ 6797 rtl8xxxu_write8(priv, REG_BEACON_CTRL, 6798 BEACON_DISABLE_TSF_UPDATE | 6799 BEACON_FUNCTION_ENABLE | BEACON_CTRL_MBSSID | 6800 BEACON_CTRL_TX_BEACON_RPT); 6801 6802 /* select BCN on port 0 */ 6803 val8 = rtl8xxxu_read8(priv, REG_CCK_CHECK); 6804 val8 &= ~BIT_BCN_PORT_SEL; 6805 rtl8xxxu_write8(priv, REG_CCK_CHECK, val8); 6806 break; 6807 default: 6808 return -EOPNOTSUPP; 6809 } 6810 6811 priv->vifs[port_num] = vif; 6812 rtlvif->port_num = port_num; 6813 rtlvif->hw_key_idx = 0xff; 6814 6815 rtl8xxxu_set_linktype(priv, vif->type, port_num); 6816 ether_addr_copy(priv->mac_addr, vif->addr); 6817 rtl8xxxu_set_mac(priv, port_num); 6818 6819 return 0; 6820 } 6821 6822 static void rtl8xxxu_remove_interface(struct ieee80211_hw *hw, 6823 struct ieee80211_vif *vif) 6824 { 6825 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 6826 struct rtl8xxxu_priv *priv = hw->priv; 6827 6828 dev_dbg(&priv->udev->dev, "%s\n", __func__); 6829 6830 priv->vifs[rtlvif->port_num] = NULL; 6831 } 6832 6833 static int rtl8xxxu_config(struct ieee80211_hw *hw, u32 changed) 6834 { 6835 struct rtl8xxxu_priv *priv = hw->priv; 6836 struct device *dev = &priv->udev->dev; 6837 int ret = 0, channel; 6838 bool ht40; 6839 6840 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_CHANNEL) 6841 dev_info(dev, 6842 "%s: channel: %i (changed %08x chandef.width %02x)\n", 6843 __func__, hw->conf.chandef.chan->hw_value, 6844 changed, hw->conf.chandef.width); 6845 6846 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 6847 switch (hw->conf.chandef.width) { 6848 case NL80211_CHAN_WIDTH_20_NOHT: 6849 case NL80211_CHAN_WIDTH_20: 6850 ht40 = false; 6851 break; 6852 case NL80211_CHAN_WIDTH_40: 6853 ht40 = true; 6854 break; 6855 default: 6856 ret = -ENOTSUPP; 6857 goto exit; 6858 } 6859 6860 channel = hw->conf.chandef.chan->hw_value; 6861 6862 priv->fops->set_tx_power(priv, channel, ht40); 6863 6864 priv->fops->config_channel(hw); 6865 } 6866 6867 exit: 6868 return ret; 6869 } 6870 6871 static int rtl8xxxu_conf_tx(struct ieee80211_hw *hw, 6872 struct ieee80211_vif *vif, 6873 unsigned int link_id, u16 queue, 6874 const struct ieee80211_tx_queue_params *param) 6875 { 6876 struct rtl8xxxu_priv *priv = hw->priv; 6877 struct device *dev = &priv->udev->dev; 6878 u32 val32; 6879 u8 aifs, acm_ctrl, acm_bit; 6880 6881 aifs = param->aifs; 6882 6883 val32 = aifs | 6884 fls(param->cw_min) << EDCA_PARAM_ECW_MIN_SHIFT | 6885 fls(param->cw_max) << EDCA_PARAM_ECW_MAX_SHIFT | 6886 (u32)param->txop << EDCA_PARAM_TXOP_SHIFT; 6887 6888 acm_ctrl = rtl8xxxu_read8(priv, REG_ACM_HW_CTRL); 6889 dev_dbg(dev, 6890 "%s: IEEE80211 queue %02x val %08x, acm %i, acm_ctrl %02x\n", 6891 __func__, queue, val32, param->acm, acm_ctrl); 6892 6893 switch (queue) { 6894 case IEEE80211_AC_VO: 6895 acm_bit = ACM_HW_CTRL_VO; 6896 rtl8xxxu_write32(priv, REG_EDCA_VO_PARAM, val32); 6897 break; 6898 case IEEE80211_AC_VI: 6899 acm_bit = ACM_HW_CTRL_VI; 6900 rtl8xxxu_write32(priv, REG_EDCA_VI_PARAM, val32); 6901 break; 6902 case IEEE80211_AC_BE: 6903 acm_bit = ACM_HW_CTRL_BE; 6904 rtl8xxxu_write32(priv, REG_EDCA_BE_PARAM, val32); 6905 break; 6906 case IEEE80211_AC_BK: 6907 acm_bit = ACM_HW_CTRL_BK; 6908 rtl8xxxu_write32(priv, REG_EDCA_BK_PARAM, val32); 6909 break; 6910 default: 6911 acm_bit = 0; 6912 break; 6913 } 6914 6915 if (param->acm) 6916 acm_ctrl |= acm_bit; 6917 else 6918 acm_ctrl &= ~acm_bit; 6919 rtl8xxxu_write8(priv, REG_ACM_HW_CTRL, acm_ctrl); 6920 6921 return 0; 6922 } 6923 6924 static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw, 6925 unsigned int changed_flags, 6926 unsigned int *total_flags, u64 multicast) 6927 { 6928 struct rtl8xxxu_priv *priv = hw->priv; 6929 u32 rcr = priv->regrcr; 6930 6931 dev_dbg(&priv->udev->dev, "%s: changed_flags %08x, total_flags %08x\n", 6932 __func__, changed_flags, *total_flags); 6933 6934 /* 6935 * FIF_ALLMULTI ignored as all multicast frames are accepted (REG_MAR) 6936 */ 6937 6938 if (*total_flags & FIF_FCSFAIL) 6939 rcr |= RCR_ACCEPT_CRC32; 6940 else 6941 rcr &= ~RCR_ACCEPT_CRC32; 6942 6943 /* 6944 * FIF_PLCPFAIL not supported? 6945 */ 6946 6947 if (*total_flags & FIF_BCN_PRBRESP_PROMISC) 6948 rcr &= ~(RCR_CHECK_BSSID_BEACON | RCR_CHECK_BSSID_MATCH); 6949 else 6950 rcr |= RCR_CHECK_BSSID_BEACON | RCR_CHECK_BSSID_MATCH; 6951 6952 if (priv->vifs[0] && priv->vifs[0]->type == NL80211_IFTYPE_AP) 6953 rcr &= ~(RCR_CHECK_BSSID_MATCH | RCR_CHECK_BSSID_BEACON); 6954 6955 if (*total_flags & FIF_CONTROL) 6956 rcr |= RCR_ACCEPT_CTRL_FRAME; 6957 else 6958 rcr &= ~RCR_ACCEPT_CTRL_FRAME; 6959 6960 if (*total_flags & FIF_OTHER_BSS) 6961 rcr |= RCR_ACCEPT_AP; 6962 else 6963 rcr &= ~RCR_ACCEPT_AP; 6964 6965 if (*total_flags & FIF_PSPOLL) 6966 rcr |= RCR_ACCEPT_PM; 6967 else 6968 rcr &= ~RCR_ACCEPT_PM; 6969 6970 /* 6971 * FIF_PROBE_REQ ignored as probe requests always seem to be accepted 6972 */ 6973 6974 rtl8xxxu_write32(priv, REG_RCR, rcr); 6975 priv->regrcr = rcr; 6976 6977 *total_flags &= (FIF_ALLMULTI | FIF_FCSFAIL | FIF_BCN_PRBRESP_PROMISC | 6978 FIF_CONTROL | FIF_OTHER_BSS | FIF_PSPOLL | 6979 FIF_PROBE_REQ); 6980 } 6981 6982 static int rtl8xxxu_set_rts_threshold(struct ieee80211_hw *hw, u32 rts) 6983 { 6984 if (rts > 2347 && rts != (u32)-1) 6985 return -EINVAL; 6986 6987 return 0; 6988 } 6989 6990 static int rtl8xxxu_get_free_sec_cam(struct ieee80211_hw *hw) 6991 { 6992 struct rtl8xxxu_priv *priv = hw->priv; 6993 6994 return find_first_zero_bit(priv->cam_map, priv->fops->max_sec_cam_num); 6995 } 6996 6997 static int rtl8xxxu_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 6998 struct ieee80211_vif *vif, 6999 struct ieee80211_sta *sta, 7000 struct ieee80211_key_conf *key) 7001 { 7002 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 7003 struct rtl8xxxu_priv *priv = hw->priv; 7004 struct device *dev = &priv->udev->dev; 7005 u8 mac_addr[ETH_ALEN]; 7006 u8 val8; 7007 u16 val16; 7008 u32 val32; 7009 int retval = -EOPNOTSUPP; 7010 7011 dev_dbg(dev, "%s: cmd %02x, cipher %08x, index %i\n", 7012 __func__, cmd, key->cipher, key->keyidx); 7013 7014 if (key->keyidx > 3) 7015 return -EOPNOTSUPP; 7016 7017 switch (key->cipher) { 7018 case WLAN_CIPHER_SUITE_WEP40: 7019 case WLAN_CIPHER_SUITE_WEP104: 7020 7021 break; 7022 case WLAN_CIPHER_SUITE_CCMP: 7023 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 7024 break; 7025 case WLAN_CIPHER_SUITE_TKIP: 7026 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 7027 break; 7028 default: 7029 return -EOPNOTSUPP; 7030 } 7031 7032 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 7033 dev_dbg(dev, "%s: pairwise key\n", __func__); 7034 ether_addr_copy(mac_addr, sta->addr); 7035 } else { 7036 dev_dbg(dev, "%s: group key\n", __func__); 7037 ether_addr_copy(mac_addr, vif->bss_conf.bssid); 7038 } 7039 7040 val16 = rtl8xxxu_read16(priv, REG_CR); 7041 val16 |= CR_SECURITY_ENABLE; 7042 rtl8xxxu_write16(priv, REG_CR, val16); 7043 7044 val8 = SEC_CFG_TX_SEC_ENABLE | SEC_CFG_TXBC_USE_DEFKEY | 7045 SEC_CFG_RX_SEC_ENABLE | SEC_CFG_RXBC_USE_DEFKEY; 7046 val8 |= SEC_CFG_TX_USE_DEFKEY | SEC_CFG_RX_USE_DEFKEY; 7047 rtl8xxxu_write8(priv, REG_SECURITY_CFG, val8); 7048 7049 switch (cmd) { 7050 case SET_KEY: 7051 7052 retval = rtl8xxxu_get_free_sec_cam(hw); 7053 if (retval < 0) 7054 return -EOPNOTSUPP; 7055 7056 key->hw_key_idx = retval; 7057 7058 if (vif->type == NL80211_IFTYPE_AP && !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 7059 rtlvif->hw_key_idx = key->hw_key_idx; 7060 7061 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 7062 rtl8xxxu_cam_write(priv, key, mac_addr); 7063 set_bit(key->hw_key_idx, priv->cam_map); 7064 retval = 0; 7065 break; 7066 case DISABLE_KEY: 7067 rtl8xxxu_write32(priv, REG_CAM_WRITE, 0x00000000); 7068 val32 = CAM_CMD_POLLING | CAM_CMD_WRITE | 7069 key->hw_key_idx << CAM_CMD_KEY_SHIFT; 7070 rtl8xxxu_write32(priv, REG_CAM_CMD, val32); 7071 rtlvif->hw_key_idx = 0xff; 7072 clear_bit(key->hw_key_idx, priv->cam_map); 7073 retval = 0; 7074 break; 7075 default: 7076 dev_warn(dev, "%s: Unsupported command %02x\n", __func__, cmd); 7077 } 7078 7079 return retval; 7080 } 7081 7082 static int 7083 rtl8xxxu_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 7084 struct ieee80211_ampdu_params *params) 7085 { 7086 struct rtl8xxxu_priv *priv = hw->priv; 7087 struct device *dev = &priv->udev->dev; 7088 u8 ampdu_factor, ampdu_density; 7089 struct ieee80211_sta *sta = params->sta; 7090 u16 tid = params->tid; 7091 enum ieee80211_ampdu_mlme_action action = params->action; 7092 7093 switch (action) { 7094 case IEEE80211_AMPDU_TX_START: 7095 dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_START\n", __func__); 7096 ampdu_factor = sta->deflink.ht_cap.ampdu_factor; 7097 ampdu_density = sta->deflink.ht_cap.ampdu_density; 7098 rtl8xxxu_set_ampdu_factor(priv, ampdu_factor); 7099 rtl8xxxu_set_ampdu_min_space(priv, ampdu_density); 7100 dev_dbg(dev, 7101 "Changed HT: ampdu_factor %02x, ampdu_density %02x\n", 7102 ampdu_factor, ampdu_density); 7103 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 7104 case IEEE80211_AMPDU_TX_STOP_CONT: 7105 case IEEE80211_AMPDU_TX_STOP_FLUSH: 7106 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 7107 dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_STOP\n", __func__); 7108 rtl8xxxu_set_ampdu_factor(priv, 0); 7109 rtl8xxxu_set_ampdu_min_space(priv, 0); 7110 clear_bit(tid, priv->tx_aggr_started); 7111 clear_bit(tid, priv->tid_tx_operational); 7112 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 7113 break; 7114 case IEEE80211_AMPDU_TX_OPERATIONAL: 7115 dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_OPERATIONAL\n", __func__); 7116 set_bit(tid, priv->tid_tx_operational); 7117 break; 7118 case IEEE80211_AMPDU_RX_START: 7119 dev_dbg(dev, "%s: IEEE80211_AMPDU_RX_START\n", __func__); 7120 break; 7121 case IEEE80211_AMPDU_RX_STOP: 7122 dev_dbg(dev, "%s: IEEE80211_AMPDU_RX_STOP\n", __func__); 7123 break; 7124 default: 7125 break; 7126 } 7127 return 0; 7128 } 7129 7130 static void 7131 rtl8xxxu_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 7132 struct ieee80211_sta *sta, struct station_info *sinfo) 7133 { 7134 struct rtl8xxxu_priv *priv = hw->priv; 7135 7136 sinfo->txrate = priv->ra_report.txrate; 7137 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 7138 } 7139 7140 static u8 rtl8xxxu_signal_to_snr(int signal) 7141 { 7142 if (signal < RTL8XXXU_NOISE_FLOOR_MIN) 7143 signal = RTL8XXXU_NOISE_FLOOR_MIN; 7144 else if (signal > 0) 7145 signal = 0; 7146 return (u8)(signal - RTL8XXXU_NOISE_FLOOR_MIN); 7147 } 7148 7149 static void rtl8xxxu_refresh_rate_mask(struct rtl8xxxu_priv *priv, 7150 int signal, struct ieee80211_sta *sta, 7151 bool force) 7152 { 7153 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 7154 struct ieee80211_hw *hw = priv->hw; 7155 u16 wireless_mode; 7156 u8 rssi_level, ratr_idx; 7157 u8 txbw_40mhz; 7158 u8 snr, snr_thresh_high, snr_thresh_low; 7159 u8 go_up_gap = 5; 7160 u8 macid = rtl8xxxu_get_macid(priv, sta); 7161 7162 rssi_level = sta_info->rssi_level; 7163 snr = rtl8xxxu_signal_to_snr(signal); 7164 snr_thresh_high = RTL8XXXU_SNR_THRESH_HIGH; 7165 snr_thresh_low = RTL8XXXU_SNR_THRESH_LOW; 7166 txbw_40mhz = (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) ? 1 : 0; 7167 7168 switch (rssi_level) { 7169 case RTL8XXXU_RATR_STA_MID: 7170 snr_thresh_high += go_up_gap; 7171 break; 7172 case RTL8XXXU_RATR_STA_LOW: 7173 snr_thresh_high += go_up_gap; 7174 snr_thresh_low += go_up_gap; 7175 break; 7176 default: 7177 break; 7178 } 7179 7180 if (snr > snr_thresh_high) 7181 rssi_level = RTL8XXXU_RATR_STA_HIGH; 7182 else if (snr > snr_thresh_low) 7183 rssi_level = RTL8XXXU_RATR_STA_MID; 7184 else 7185 rssi_level = RTL8XXXU_RATR_STA_LOW; 7186 7187 if (rssi_level != sta_info->rssi_level || force) { 7188 int sgi = 0; 7189 u32 rate_bitmap = 0; 7190 7191 rate_bitmap = (sta->deflink.supp_rates[0] & 0xfff) | 7192 (sta->deflink.ht_cap.mcs.rx_mask[0] << 12) | 7193 (sta->deflink.ht_cap.mcs.rx_mask[1] << 20); 7194 if (sta->deflink.ht_cap.cap & 7195 (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20)) 7196 sgi = 1; 7197 7198 wireless_mode = rtl8xxxu_wireless_mode(hw, sta); 7199 switch (wireless_mode) { 7200 case WIRELESS_MODE_B: 7201 ratr_idx = RATEID_IDX_B; 7202 if (rate_bitmap & 0x0000000c) 7203 rate_bitmap &= 0x0000000d; 7204 else 7205 rate_bitmap &= 0x0000000f; 7206 break; 7207 case WIRELESS_MODE_A: 7208 case WIRELESS_MODE_G: 7209 ratr_idx = RATEID_IDX_G; 7210 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) 7211 rate_bitmap &= 0x00000f00; 7212 else 7213 rate_bitmap &= 0x00000ff0; 7214 break; 7215 case (WIRELESS_MODE_B | WIRELESS_MODE_G): 7216 ratr_idx = RATEID_IDX_BG; 7217 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) 7218 rate_bitmap &= 0x00000f00; 7219 else if (rssi_level == RTL8XXXU_RATR_STA_MID) 7220 rate_bitmap &= 0x00000ff0; 7221 else 7222 rate_bitmap &= 0x00000ff5; 7223 break; 7224 case WIRELESS_MODE_N_24G: 7225 case WIRELESS_MODE_N_5G: 7226 case (WIRELESS_MODE_G | WIRELESS_MODE_N_24G): 7227 case (WIRELESS_MODE_A | WIRELESS_MODE_N_5G): 7228 if (priv->tx_paths == 2 && priv->rx_paths == 2) 7229 ratr_idx = RATEID_IDX_GN_N2SS; 7230 else 7231 ratr_idx = RATEID_IDX_GN_N1SS; 7232 break; 7233 case (WIRELESS_MODE_B | WIRELESS_MODE_G | WIRELESS_MODE_N_24G): 7234 case (WIRELESS_MODE_B | WIRELESS_MODE_N_24G): 7235 if (txbw_40mhz) { 7236 if (priv->tx_paths == 2 && priv->rx_paths == 2) 7237 ratr_idx = RATEID_IDX_BGN_40M_2SS; 7238 else 7239 ratr_idx = RATEID_IDX_BGN_40M_1SS; 7240 } else { 7241 if (priv->tx_paths == 2 && priv->rx_paths == 2) 7242 ratr_idx = RATEID_IDX_BGN_20M_2SS_BN; 7243 else 7244 ratr_idx = RATEID_IDX_BGN_20M_1SS_BN; 7245 } 7246 7247 if (priv->tx_paths == 2 && priv->rx_paths == 2) { 7248 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) { 7249 rate_bitmap &= 0x0f8f0000; 7250 } else if (rssi_level == RTL8XXXU_RATR_STA_MID) { 7251 rate_bitmap &= 0x0f8ff000; 7252 } else { 7253 if (txbw_40mhz) 7254 rate_bitmap &= 0x0f8ff015; 7255 else 7256 rate_bitmap &= 0x0f8ff005; 7257 } 7258 } else { 7259 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) { 7260 rate_bitmap &= 0x000f0000; 7261 } else if (rssi_level == RTL8XXXU_RATR_STA_MID) { 7262 rate_bitmap &= 0x000ff000; 7263 } else { 7264 if (txbw_40mhz) 7265 rate_bitmap &= 0x000ff015; 7266 else 7267 rate_bitmap &= 0x000ff005; 7268 } 7269 } 7270 break; 7271 default: 7272 ratr_idx = RATEID_IDX_BGN_40M_2SS; 7273 rate_bitmap &= 0x0fffffff; 7274 break; 7275 } 7276 7277 sta_info->rssi_level = rssi_level; 7278 priv->fops->update_rate_mask(priv, rate_bitmap, ratr_idx, sgi, txbw_40mhz, macid); 7279 } 7280 } 7281 7282 static void rtl8xxxu_set_atc_status(struct rtl8xxxu_priv *priv, bool atc_status) 7283 { 7284 struct rtl8xxxu_cfo_tracking *cfo = &priv->cfo_tracking; 7285 u32 val32; 7286 7287 if (atc_status == cfo->atc_status) 7288 return; 7289 7290 cfo->atc_status = atc_status; 7291 7292 val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING); 7293 if (atc_status) 7294 val32 |= CFO_TRACKING_ATC_STATUS; 7295 else 7296 val32 &= ~CFO_TRACKING_ATC_STATUS; 7297 rtl8xxxu_write32(priv, REG_OFDM1_CFO_TRACKING, val32); 7298 } 7299 7300 /* Central frequency offset correction */ 7301 static void rtl8xxxu_track_cfo(struct rtl8xxxu_priv *priv) 7302 { 7303 struct rtl8xxxu_cfo_tracking *cfo = &priv->cfo_tracking; 7304 int cfo_khz_a, cfo_khz_b, cfo_average; 7305 int crystal_cap; 7306 7307 if (!rtl8xxxu_is_assoc(priv)) { 7308 /* Reset */ 7309 cfo->adjust = true; 7310 7311 if (cfo->crystal_cap > priv->default_crystal_cap) 7312 priv->fops->set_crystal_cap(priv, cfo->crystal_cap - 1); 7313 else if (cfo->crystal_cap < priv->default_crystal_cap) 7314 priv->fops->set_crystal_cap(priv, cfo->crystal_cap + 1); 7315 7316 rtl8xxxu_set_atc_status(priv, true); 7317 7318 return; 7319 } 7320 7321 if (cfo->packet_count == cfo->packet_count_pre) 7322 /* No new information. */ 7323 return; 7324 7325 cfo->packet_count_pre = cfo->packet_count; 7326 7327 /* CFO_tail[1:0] is S(8,7), (num_subcarrier>>7) x 312.5K = CFO value(K Hz) */ 7328 cfo_khz_a = (int)((cfo->cfo_tail[0] * 3125) / 10) >> 7; 7329 cfo_khz_b = (int)((cfo->cfo_tail[1] * 3125) / 10) >> 7; 7330 7331 if (priv->tx_paths == 1) 7332 cfo_average = cfo_khz_a; 7333 else 7334 cfo_average = (cfo_khz_a + cfo_khz_b) / 2; 7335 7336 dev_dbg(&priv->udev->dev, "cfo_average: %d\n", cfo_average); 7337 7338 if (cfo->adjust) { 7339 if (abs(cfo_average) < CFO_TH_XTAL_LOW) 7340 cfo->adjust = false; 7341 } else { 7342 if (abs(cfo_average) > CFO_TH_XTAL_HIGH) 7343 cfo->adjust = true; 7344 } 7345 7346 /* 7347 * TODO: We should return here only if bluetooth is enabled. 7348 * See the vendor drivers for how to determine that. 7349 */ 7350 if (priv->has_bluetooth) 7351 return; 7352 7353 if (!cfo->adjust) 7354 return; 7355 7356 crystal_cap = cfo->crystal_cap; 7357 7358 if (cfo_average > CFO_TH_XTAL_LOW) 7359 crystal_cap++; 7360 else if (cfo_average < -CFO_TH_XTAL_LOW) 7361 crystal_cap--; 7362 7363 crystal_cap = clamp(crystal_cap, 0, 0x3f); 7364 7365 priv->fops->set_crystal_cap(priv, crystal_cap); 7366 7367 rtl8xxxu_set_atc_status(priv, abs(cfo_average) >= CFO_TH_ATC); 7368 } 7369 7370 static void rtl8xxxu_ra_iter(void *data, struct ieee80211_sta *sta) 7371 { 7372 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 7373 struct rtl8xxxu_priv *priv = data; 7374 int signal = -ewma_rssi_read(&sta_info->avg_rssi); 7375 7376 priv->fops->report_rssi(priv, rtl8xxxu_get_macid(priv, sta), 7377 rtl8xxxu_signal_to_snr(signal)); 7378 rtl8xxxu_refresh_rate_mask(priv, signal, sta, false); 7379 } 7380 7381 struct rtl8xxxu_stas_entry { 7382 struct list_head list; 7383 struct ieee80211_sta *sta; 7384 }; 7385 7386 struct rtl8xxxu_iter_stas_data { 7387 struct rtl8xxxu_priv *priv; 7388 struct list_head list; 7389 }; 7390 7391 static void rtl8xxxu_collect_sta_iter(void *data, struct ieee80211_sta *sta) 7392 { 7393 struct rtl8xxxu_iter_stas_data *iter_stas = data; 7394 struct rtl8xxxu_stas_entry *stas_entry; 7395 7396 stas_entry = kmalloc(sizeof(*stas_entry), GFP_ATOMIC); 7397 if (!stas_entry) 7398 return; 7399 7400 stas_entry->sta = sta; 7401 list_add_tail(&stas_entry->list, &iter_stas->list); 7402 } 7403 7404 static void rtl8xxxu_watchdog_callback(struct work_struct *work) 7405 { 7406 7407 struct rtl8xxxu_iter_stas_data iter_data; 7408 struct rtl8xxxu_stas_entry *sta_entry, *tmp; 7409 struct rtl8xxxu_priv *priv; 7410 7411 priv = container_of(work, struct rtl8xxxu_priv, ra_watchdog.work); 7412 iter_data.priv = priv; 7413 INIT_LIST_HEAD(&iter_data.list); 7414 7415 mutex_lock(&priv->sta_mutex); 7416 ieee80211_iterate_stations_atomic(priv->hw, rtl8xxxu_collect_sta_iter, 7417 &iter_data); 7418 list_for_each_entry_safe(sta_entry, tmp, &iter_data.list, list) { 7419 list_del_init(&sta_entry->list); 7420 rtl8xxxu_ra_iter(priv, sta_entry->sta); 7421 kfree(sta_entry); 7422 } 7423 mutex_unlock(&priv->sta_mutex); 7424 7425 if (priv->fops->set_crystal_cap) 7426 rtl8xxxu_track_cfo(priv); 7427 7428 schedule_delayed_work(&priv->ra_watchdog, 2 * HZ); 7429 } 7430 7431 static int rtl8xxxu_start(struct ieee80211_hw *hw) 7432 { 7433 struct rtl8xxxu_priv *priv = hw->priv; 7434 struct rtl8xxxu_rx_urb *rx_urb; 7435 struct rtl8xxxu_tx_urb *tx_urb; 7436 struct sk_buff *skb; 7437 unsigned long flags; 7438 int ret, i; 7439 7440 ret = 0; 7441 7442 init_usb_anchor(&priv->rx_anchor); 7443 init_usb_anchor(&priv->tx_anchor); 7444 init_usb_anchor(&priv->int_anchor); 7445 7446 priv->fops->enable_rf(priv); 7447 if (priv->usb_interrupts) { 7448 ret = rtl8xxxu_submit_int_urb(hw); 7449 if (ret) 7450 goto exit; 7451 } 7452 7453 for (i = 0; i < RTL8XXXU_TX_URBS; i++) { 7454 tx_urb = kmalloc(sizeof(struct rtl8xxxu_tx_urb), GFP_KERNEL); 7455 if (!tx_urb) { 7456 if (!i) 7457 ret = -ENOMEM; 7458 7459 goto error_out; 7460 } 7461 usb_init_urb(&tx_urb->urb); 7462 INIT_LIST_HEAD(&tx_urb->list); 7463 tx_urb->hw = hw; 7464 list_add(&tx_urb->list, &priv->tx_urb_free_list); 7465 priv->tx_urb_free_count++; 7466 } 7467 7468 priv->tx_stopped = false; 7469 7470 spin_lock_irqsave(&priv->rx_urb_lock, flags); 7471 priv->shutdown = false; 7472 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 7473 7474 for (i = 0; i < RTL8XXXU_RX_URBS; i++) { 7475 rx_urb = kmalloc(sizeof(struct rtl8xxxu_rx_urb), GFP_KERNEL); 7476 if (!rx_urb) { 7477 if (!i) 7478 ret = -ENOMEM; 7479 7480 goto error_out; 7481 } 7482 usb_init_urb(&rx_urb->urb); 7483 INIT_LIST_HEAD(&rx_urb->list); 7484 rx_urb->hw = hw; 7485 7486 ret = rtl8xxxu_submit_rx_urb(priv, rx_urb); 7487 if (ret) { 7488 if (ret != -ENOMEM) { 7489 skb = (struct sk_buff *)rx_urb->urb.context; 7490 dev_kfree_skb(skb); 7491 } 7492 rtl8xxxu_queue_rx_urb(priv, rx_urb); 7493 } 7494 } 7495 7496 schedule_delayed_work(&priv->ra_watchdog, 2 * HZ); 7497 exit: 7498 /* 7499 * Accept all data and mgmt frames 7500 */ 7501 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0xffff); 7502 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0xffff); 7503 7504 rtl8xxxu_write32_mask(priv, REG_OFDM0_XA_AGC_CORE1, 7505 OFDM0_X_AGC_CORE1_IGI_MASK, 0x1e); 7506 7507 return ret; 7508 7509 error_out: 7510 rtl8xxxu_free_tx_resources(priv); 7511 /* 7512 * Disable all data and mgmt frames 7513 */ 7514 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0x0000); 7515 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0x0000); 7516 7517 return ret; 7518 } 7519 7520 static void rtl8xxxu_stop(struct ieee80211_hw *hw, bool suspend) 7521 { 7522 struct rtl8xxxu_priv *priv = hw->priv; 7523 unsigned long flags; 7524 7525 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 7526 7527 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0x0000); 7528 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0x0000); 7529 7530 spin_lock_irqsave(&priv->rx_urb_lock, flags); 7531 priv->shutdown = true; 7532 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 7533 7534 usb_kill_anchored_urbs(&priv->rx_anchor); 7535 usb_kill_anchored_urbs(&priv->tx_anchor); 7536 if (priv->usb_interrupts) 7537 usb_kill_anchored_urbs(&priv->int_anchor); 7538 7539 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 7540 7541 priv->fops->disable_rf(priv); 7542 7543 /* 7544 * Disable interrupts 7545 */ 7546 if (priv->usb_interrupts) 7547 rtl8xxxu_write32(priv, REG_USB_HIMR, 0); 7548 7549 cancel_work_sync(&priv->c2hcmd_work); 7550 cancel_delayed_work_sync(&priv->ra_watchdog); 7551 cancel_delayed_work_sync(&priv->update_beacon_work); 7552 7553 rtl8xxxu_free_rx_resources(priv); 7554 rtl8xxxu_free_tx_resources(priv); 7555 } 7556 7557 static int rtl8xxxu_sta_add(struct ieee80211_hw *hw, 7558 struct ieee80211_vif *vif, 7559 struct ieee80211_sta *sta) 7560 { 7561 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 7562 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 7563 struct rtl8xxxu_priv *priv = hw->priv; 7564 7565 mutex_lock(&priv->sta_mutex); 7566 ewma_rssi_init(&sta_info->avg_rssi); 7567 if (vif->type == NL80211_IFTYPE_AP) { 7568 sta_info->rssi_level = RTL8XXXU_RATR_STA_INIT; 7569 sta_info->macid = rtl8xxxu_acquire_macid(priv); 7570 if (sta_info->macid >= RTL8XXXU_MAX_MAC_ID_NUM) { 7571 mutex_unlock(&priv->sta_mutex); 7572 return -ENOSPC; 7573 } 7574 7575 rtl8xxxu_refresh_rate_mask(priv, 0, sta, true); 7576 priv->fops->report_connect(priv, sta_info->macid, H2C_MACID_ROLE_STA, true); 7577 } else { 7578 switch (rtlvif->port_num) { 7579 case 0: 7580 sta_info->macid = RTL8XXXU_BC_MC_MACID; 7581 break; 7582 case 1: 7583 sta_info->macid = RTL8XXXU_BC_MC_MACID1; 7584 break; 7585 default: 7586 break; 7587 } 7588 } 7589 mutex_unlock(&priv->sta_mutex); 7590 7591 return 0; 7592 } 7593 7594 static int rtl8xxxu_sta_remove(struct ieee80211_hw *hw, 7595 struct ieee80211_vif *vif, 7596 struct ieee80211_sta *sta) 7597 { 7598 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 7599 struct rtl8xxxu_priv *priv = hw->priv; 7600 7601 mutex_lock(&priv->sta_mutex); 7602 if (vif->type == NL80211_IFTYPE_AP) 7603 rtl8xxxu_release_macid(priv, sta_info->macid); 7604 mutex_unlock(&priv->sta_mutex); 7605 7606 return 0; 7607 } 7608 7609 static const struct ieee80211_ops rtl8xxxu_ops = { 7610 .add_chanctx = ieee80211_emulate_add_chanctx, 7611 .remove_chanctx = ieee80211_emulate_remove_chanctx, 7612 .change_chanctx = ieee80211_emulate_change_chanctx, 7613 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 7614 .tx = rtl8xxxu_tx, 7615 .wake_tx_queue = ieee80211_handle_wake_tx_queue, 7616 .add_interface = rtl8xxxu_add_interface, 7617 .remove_interface = rtl8xxxu_remove_interface, 7618 .config = rtl8xxxu_config, 7619 .conf_tx = rtl8xxxu_conf_tx, 7620 .bss_info_changed = rtl8xxxu_bss_info_changed, 7621 .start_ap = rtl8xxxu_start_ap, 7622 .configure_filter = rtl8xxxu_configure_filter, 7623 .set_rts_threshold = rtl8xxxu_set_rts_threshold, 7624 .start = rtl8xxxu_start, 7625 .stop = rtl8xxxu_stop, 7626 .sw_scan_start = rtl8xxxu_sw_scan_start, 7627 .sw_scan_complete = rtl8xxxu_sw_scan_complete, 7628 .set_key = rtl8xxxu_set_key, 7629 .ampdu_action = rtl8xxxu_ampdu_action, 7630 .sta_statistics = rtl8xxxu_sta_statistics, 7631 .get_antenna = rtl8xxxu_get_antenna, 7632 .set_tim = rtl8xxxu_set_tim, 7633 .sta_add = rtl8xxxu_sta_add, 7634 .sta_remove = rtl8xxxu_sta_remove, 7635 }; 7636 7637 static int rtl8xxxu_parse_usb(struct rtl8xxxu_priv *priv, 7638 struct usb_interface *interface) 7639 { 7640 struct usb_interface_descriptor *interface_desc; 7641 struct usb_host_interface *host_interface; 7642 struct usb_endpoint_descriptor *endpoint; 7643 struct device *dev = &priv->udev->dev; 7644 int i, j = 0, endpoints; 7645 u8 dir, xtype, num; 7646 int ret = 0; 7647 7648 host_interface = interface->cur_altsetting; 7649 interface_desc = &host_interface->desc; 7650 endpoints = interface_desc->bNumEndpoints; 7651 7652 for (i = 0; i < endpoints; i++) { 7653 endpoint = &host_interface->endpoint[i].desc; 7654 7655 dir = endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK; 7656 num = usb_endpoint_num(endpoint); 7657 xtype = usb_endpoint_type(endpoint); 7658 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) 7659 dev_dbg(dev, 7660 "%s: endpoint: dir %02x, # %02x, type %02x\n", 7661 __func__, dir, num, xtype); 7662 if (usb_endpoint_dir_in(endpoint) && 7663 usb_endpoint_xfer_bulk(endpoint)) { 7664 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) 7665 dev_dbg(dev, "%s: in endpoint num %i\n", 7666 __func__, num); 7667 7668 if (priv->pipe_in) { 7669 dev_warn(dev, 7670 "%s: Too many IN pipes\n", __func__); 7671 ret = -EINVAL; 7672 goto exit; 7673 } 7674 7675 priv->pipe_in = usb_rcvbulkpipe(priv->udev, num); 7676 } 7677 7678 if (usb_endpoint_dir_in(endpoint) && 7679 usb_endpoint_xfer_int(endpoint)) { 7680 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) 7681 dev_dbg(dev, "%s: interrupt endpoint num %i\n", 7682 __func__, num); 7683 7684 if (priv->pipe_interrupt) { 7685 dev_warn(dev, "%s: Too many INTERRUPT pipes\n", 7686 __func__); 7687 ret = -EINVAL; 7688 goto exit; 7689 } 7690 7691 priv->pipe_interrupt = usb_rcvintpipe(priv->udev, num); 7692 } 7693 7694 if (usb_endpoint_dir_out(endpoint) && 7695 usb_endpoint_xfer_bulk(endpoint)) { 7696 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) 7697 dev_dbg(dev, "%s: out endpoint num %i\n", 7698 __func__, num); 7699 if (j >= RTL8XXXU_OUT_ENDPOINTS) { 7700 dev_warn(dev, 7701 "%s: Too many OUT pipes\n", __func__); 7702 ret = -EINVAL; 7703 goto exit; 7704 } 7705 priv->out_ep[j++] = num; 7706 } 7707 } 7708 exit: 7709 priv->nr_out_eps = j; 7710 return ret; 7711 } 7712 7713 static void rtl8xxxu_init_led(struct rtl8xxxu_priv *priv) 7714 { 7715 struct led_classdev *led = &priv->led_cdev; 7716 7717 if (!priv->fops->led_classdev_brightness_set) 7718 return; 7719 7720 led->brightness_set_blocking = priv->fops->led_classdev_brightness_set; 7721 7722 snprintf(priv->led_name, sizeof(priv->led_name), 7723 "rtl8xxxu-usb%s", dev_name(&priv->udev->dev)); 7724 led->name = priv->led_name; 7725 led->max_brightness = RTL8XXXU_HW_LED_CONTROL; 7726 7727 if (led_classdev_register(&priv->udev->dev, led)) 7728 return; 7729 7730 priv->led_registered = true; 7731 7732 led->brightness = led->max_brightness; 7733 priv->fops->led_classdev_brightness_set(led, led->brightness); 7734 } 7735 7736 static void rtl8xxxu_deinit_led(struct rtl8xxxu_priv *priv) 7737 { 7738 struct led_classdev *led = &priv->led_cdev; 7739 7740 if (!priv->led_registered) 7741 return; 7742 7743 priv->fops->led_classdev_brightness_set(led, LED_OFF); 7744 led_classdev_unregister(led); 7745 } 7746 7747 static const struct ieee80211_iface_limit rtl8xxxu_limits[] = { 7748 { .max = 2, .types = BIT(NL80211_IFTYPE_STATION), }, 7749 { .max = 1, .types = BIT(NL80211_IFTYPE_AP), }, 7750 }; 7751 7752 static const struct ieee80211_iface_combination rtl8xxxu_combinations[] = { 7753 { 7754 .limits = rtl8xxxu_limits, 7755 .n_limits = ARRAY_SIZE(rtl8xxxu_limits), 7756 .max_interfaces = 2, 7757 .num_different_channels = 1, 7758 }, 7759 }; 7760 7761 static int rtl8xxxu_probe(struct usb_interface *interface, 7762 const struct usb_device_id *id) 7763 { 7764 struct rtl8xxxu_priv *priv; 7765 struct ieee80211_hw *hw; 7766 struct usb_device *udev; 7767 struct ieee80211_supported_band *sband; 7768 int ret; 7769 int untested = 1; 7770 7771 udev = usb_get_dev(interface_to_usbdev(interface)); 7772 7773 switch (id->idVendor) { 7774 case USB_VENDOR_ID_REALTEK: 7775 switch(id->idProduct) { 7776 case 0x1724: 7777 case 0x8176: 7778 case 0x8178: 7779 case 0x817f: 7780 case 0x818b: 7781 case 0xf179: 7782 case 0x8179: 7783 case 0xb711: 7784 case 0xf192: 7785 case 0x2005: 7786 untested = 0; 7787 break; 7788 } 7789 break; 7790 case 0x7392: 7791 if (id->idProduct == 0x7811 || id->idProduct == 0xa611 || id->idProduct == 0xb811) 7792 untested = 0; 7793 break; 7794 case 0x050d: 7795 if (id->idProduct == 0x1004) 7796 untested = 0; 7797 break; 7798 case 0x20f4: 7799 if (id->idProduct == 0x648b) 7800 untested = 0; 7801 break; 7802 case 0x2001: 7803 if (id->idProduct == 0x3308) 7804 untested = 0; 7805 break; 7806 case 0x2357: 7807 if (id->idProduct == 0x0109 || id->idProduct == 0x0135) 7808 untested = 0; 7809 break; 7810 case 0x0b05: 7811 if (id->idProduct == 0x18f1) 7812 untested = 0; 7813 break; 7814 default: 7815 break; 7816 } 7817 7818 if (untested) { 7819 rtl8xxxu_debug |= RTL8XXXU_DEBUG_EFUSE; 7820 dev_info(&udev->dev, 7821 "This Realtek USB WiFi dongle (0x%04x:0x%04x) is untested!\n", 7822 id->idVendor, id->idProduct); 7823 dev_info(&udev->dev, 7824 "Please report results to Jes.Sorensen@gmail.com\n"); 7825 } 7826 7827 hw = ieee80211_alloc_hw(sizeof(struct rtl8xxxu_priv), &rtl8xxxu_ops); 7828 if (!hw) { 7829 ret = -ENOMEM; 7830 goto err_put_dev; 7831 } 7832 7833 priv = hw->priv; 7834 priv->hw = hw; 7835 priv->udev = udev; 7836 priv->fops = (struct rtl8xxxu_fileops *)id->driver_info; 7837 mutex_init(&priv->usb_buf_mutex); 7838 mutex_init(&priv->syson_indirect_access_mutex); 7839 mutex_init(&priv->h2c_mutex); 7840 mutex_init(&priv->sta_mutex); 7841 INIT_LIST_HEAD(&priv->tx_urb_free_list); 7842 spin_lock_init(&priv->tx_urb_lock); 7843 INIT_LIST_HEAD(&priv->rx_urb_pending_list); 7844 spin_lock_init(&priv->rx_urb_lock); 7845 INIT_WORK(&priv->rx_urb_wq, rtl8xxxu_rx_urb_work); 7846 INIT_DELAYED_WORK(&priv->ra_watchdog, rtl8xxxu_watchdog_callback); 7847 INIT_DELAYED_WORK(&priv->update_beacon_work, rtl8xxxu_update_beacon_work_callback); 7848 skb_queue_head_init(&priv->c2hcmd_queue); 7849 7850 usb_set_intfdata(interface, hw); 7851 7852 ret = rtl8xxxu_parse_usb(priv, interface); 7853 if (ret) 7854 goto err_set_intfdata; 7855 7856 ret = priv->fops->identify_chip(priv); 7857 if (ret) { 7858 dev_err(&udev->dev, "Fatal - failed to identify chip\n"); 7859 goto err_set_intfdata; 7860 } 7861 7862 hw->wiphy->available_antennas_tx = BIT(priv->tx_paths) - 1; 7863 hw->wiphy->available_antennas_rx = BIT(priv->rx_paths) - 1; 7864 7865 if (priv->rtl_chip == RTL8188E) 7866 INIT_WORK(&priv->c2hcmd_work, rtl8188e_c2hcmd_callback); 7867 else 7868 INIT_WORK(&priv->c2hcmd_work, rtl8xxxu_c2hcmd_callback); 7869 7870 ret = priv->fops->read_efuse(priv); 7871 if (ret) { 7872 dev_err(&udev->dev, "Fatal - failed to read EFuse\n"); 7873 goto err_set_intfdata; 7874 } 7875 7876 ret = priv->fops->parse_efuse(priv); 7877 if (ret) { 7878 dev_err(&udev->dev, "Fatal - failed to parse EFuse\n"); 7879 goto err_set_intfdata; 7880 } 7881 7882 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) 7883 rtl8xxxu_dump_efuse(priv); 7884 7885 rtl8xxxu_print_chipinfo(priv); 7886 7887 ret = priv->fops->load_firmware(priv); 7888 if (ret) { 7889 dev_err(&udev->dev, "Fatal - failed to load firmware\n"); 7890 goto err_set_intfdata; 7891 } 7892 7893 ret = rtl8xxxu_init_device(hw); 7894 if (ret) 7895 goto err_set_intfdata; 7896 7897 hw->vif_data_size = sizeof(struct rtl8xxxu_vif); 7898 7899 hw->wiphy->max_scan_ssids = 1; 7900 hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 7901 if (priv->fops->max_macid_num) 7902 hw->wiphy->max_ap_assoc_sta = priv->fops->max_macid_num - 1; 7903 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 7904 if (priv->fops->supports_ap) 7905 hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP); 7906 hw->queues = 4; 7907 7908 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 7909 7910 if (priv->fops->supports_concurrent) { 7911 hw->wiphy->iface_combinations = rtl8xxxu_combinations; 7912 hw->wiphy->n_iface_combinations = ARRAY_SIZE(rtl8xxxu_combinations); 7913 } 7914 7915 sband = &rtl8xxxu_supported_band; 7916 sband->ht_cap.ht_supported = true; 7917 sband->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 7918 sband->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; 7919 sband->ht_cap.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40; 7920 memset(&sband->ht_cap.mcs, 0, sizeof(sband->ht_cap.mcs)); 7921 sband->ht_cap.mcs.rx_mask[0] = 0xff; 7922 sband->ht_cap.mcs.rx_mask[4] = 0x01; 7923 if (priv->rf_paths > 1) { 7924 sband->ht_cap.mcs.rx_mask[1] = 0xff; 7925 sband->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 7926 } 7927 sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 7928 /* 7929 * Some APs will negotiate HT20_40 in a noisy environment leading 7930 * to miserable performance. Rather than defaulting to this, only 7931 * enable it if explicitly requested at module load time. 7932 */ 7933 if (rtl8xxxu_ht40_2g) { 7934 dev_info(&udev->dev, "Enabling HT_20_40 on the 2.4GHz band\n"); 7935 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 7936 } 7937 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 7938 7939 hw->wiphy->rts_threshold = 2347; 7940 7941 SET_IEEE80211_DEV(priv->hw, &interface->dev); 7942 SET_IEEE80211_PERM_ADDR(hw, priv->mac_addr); 7943 7944 hw->extra_tx_headroom = priv->fops->tx_desc_size; 7945 ieee80211_hw_set(hw, SIGNAL_DBM); 7946 7947 /* 7948 * The firmware handles rate control, except for RTL8188EU, 7949 * where we handle the rate control in the driver. 7950 */ 7951 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 7952 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 7953 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 7954 ieee80211_hw_set(hw, MFP_CAPABLE); 7955 7956 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); 7957 7958 ret = ieee80211_register_hw(priv->hw); 7959 if (ret) { 7960 dev_err(&udev->dev, "%s: Failed to register: %i\n", 7961 __func__, ret); 7962 goto err_set_intfdata; 7963 } 7964 7965 rtl8xxxu_init_led(priv); 7966 7967 return 0; 7968 7969 err_set_intfdata: 7970 usb_set_intfdata(interface, NULL); 7971 7972 kfree(priv->fw_data); 7973 mutex_destroy(&priv->usb_buf_mutex); 7974 mutex_destroy(&priv->syson_indirect_access_mutex); 7975 mutex_destroy(&priv->h2c_mutex); 7976 7977 ieee80211_free_hw(hw); 7978 err_put_dev: 7979 usb_put_dev(udev); 7980 7981 return ret; 7982 } 7983 7984 static void rtl8xxxu_disconnect(struct usb_interface *interface) 7985 { 7986 struct rtl8xxxu_priv *priv; 7987 struct ieee80211_hw *hw; 7988 7989 hw = usb_get_intfdata(interface); 7990 priv = hw->priv; 7991 7992 rtl8xxxu_deinit_led(priv); 7993 7994 ieee80211_unregister_hw(hw); 7995 7996 priv->fops->power_off(priv); 7997 7998 usb_set_intfdata(interface, NULL); 7999 8000 dev_info(&priv->udev->dev, "disconnecting\n"); 8001 8002 kfree(priv->fw_data); 8003 mutex_destroy(&priv->usb_buf_mutex); 8004 mutex_destroy(&priv->syson_indirect_access_mutex); 8005 mutex_destroy(&priv->h2c_mutex); 8006 8007 if (priv->udev->state != USB_STATE_NOTATTACHED) { 8008 dev_info(&priv->udev->dev, 8009 "Device still attached, trying to reset\n"); 8010 usb_reset_device(priv->udev); 8011 } 8012 usb_put_dev(priv->udev); 8013 ieee80211_free_hw(hw); 8014 } 8015 8016 static const struct usb_device_id dev_table[] = { 8017 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8724, 0xff, 0xff, 0xff), 8018 .driver_info = (unsigned long)&rtl8723au_fops}, 8019 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x1724, 0xff, 0xff, 0xff), 8020 .driver_info = (unsigned long)&rtl8723au_fops}, 8021 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x0724, 0xff, 0xff, 0xff), 8022 .driver_info = (unsigned long)&rtl8723au_fops}, 8023 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818b, 0xff, 0xff, 0xff), 8024 .driver_info = (unsigned long)&rtl8192eu_fops}, 8025 /* TP-Link TL-WN822N v4 */ 8026 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0108, 0xff, 0xff, 0xff), 8027 .driver_info = (unsigned long)&rtl8192eu_fops}, 8028 /* D-Link DWA-131 rev E1, tested by David Patiño */ 8029 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3319, 0xff, 0xff, 0xff), 8030 .driver_info = (unsigned long)&rtl8192eu_fops}, 8031 /* Tested by Myckel Habets */ 8032 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0109, 0xff, 0xff, 0xff), 8033 .driver_info = (unsigned long)&rtl8192eu_fops}, 8034 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xb720, 0xff, 0xff, 0xff), 8035 .driver_info = (unsigned long)&rtl8723bu_fops}, 8036 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xa611, 0xff, 0xff, 0xff), 8037 .driver_info = (unsigned long)&rtl8723bu_fops}, 8038 /* RTL8188FU */ 8039 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xf179, 0xff, 0xff, 0xff), 8040 .driver_info = (unsigned long)&rtl8188fu_fops}, 8041 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8179, 0xff, 0xff, 0xff), 8042 .driver_info = (unsigned long)&rtl8188eu_fops}, 8043 /* Tested by Hans de Goede - rtl8188etv */ 8044 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x0179, 0xff, 0xff, 0xff), 8045 .driver_info = (unsigned long)&rtl8188eu_fops}, 8046 /* Sitecom rtl8188eus */ 8047 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0076, 0xff, 0xff, 0xff), 8048 .driver_info = (unsigned long)&rtl8188eu_fops}, 8049 /* D-Link USB-GO-N150 */ 8050 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3311, 0xff, 0xff, 0xff), 8051 .driver_info = (unsigned long)&rtl8188eu_fops}, 8052 /* D-Link DWA-125 REV D1 */ 8053 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330f, 0xff, 0xff, 0xff), 8054 .driver_info = (unsigned long)&rtl8188eu_fops}, 8055 /* D-Link DWA-123 REV D1 */ 8056 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3310, 0xff, 0xff, 0xff), 8057 .driver_info = (unsigned long)&rtl8188eu_fops}, 8058 /* D-Link DWA-121 rev B1 */ 8059 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x331b, 0xff, 0xff, 0xff), 8060 .driver_info = (unsigned long)&rtl8188eu_fops}, 8061 /* Abocom - Abocom */ 8062 {USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8179, 0xff, 0xff, 0xff), 8063 .driver_info = (unsigned long)&rtl8188eu_fops}, 8064 /* Elecom WDC-150SU2M */ 8065 {USB_DEVICE_AND_INTERFACE_INFO(0x056e, 0x4008, 0xff, 0xff, 0xff), 8066 .driver_info = (unsigned long)&rtl8188eu_fops}, 8067 /* TP-Link TL-WN722N v2 */ 8068 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x010c, 0xff, 0xff, 0xff), 8069 .driver_info = (unsigned long)&rtl8188eu_fops}, 8070 /* TP-Link TL-WN727N v5.21 */ 8071 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0111, 0xff, 0xff, 0xff), 8072 .driver_info = (unsigned long)&rtl8188eu_fops}, 8073 /* MERCUSYS MW150US v2 */ 8074 {USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0102, 0xff, 0xff, 0xff), 8075 .driver_info = (unsigned long)&rtl8188eu_fops}, 8076 /* ASUS USB-N10 Nano B1 */ 8077 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x18f0, 0xff, 0xff, 0xff), 8078 .driver_info = (unsigned long)&rtl8188eu_fops}, 8079 /* Edimax EW-7811Un V2 */ 8080 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xb811, 0xff, 0xff, 0xff), 8081 .driver_info = (unsigned long)&rtl8188eu_fops}, 8082 /* Rosewill USB-N150 Nano */ 8083 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xffef, 0xff, 0xff, 0xff), 8084 .driver_info = (unsigned long)&rtl8188eu_fops}, 8085 /* RTL8710BU aka RTL8188GU (not to be confused with RTL8188GTVU) */ 8086 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xb711, 0xff, 0xff, 0xff), 8087 .driver_info = (unsigned long)&rtl8710bu_fops}, 8088 /* TOTOLINK N150UA V5 / N150UA-B */ 8089 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x2005, 0xff, 0xff, 0xff), 8090 .driver_info = (unsigned long)&rtl8710bu_fops}, 8091 /* Comfast CF-826F */ 8092 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xf192, 0xff, 0xff, 0xff), 8093 .driver_info = (unsigned long)&rtl8192fu_fops}, 8094 /* Asus USB-N13 rev C1 */ 8095 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x18f1, 0xff, 0xff, 0xff), 8096 .driver_info = (unsigned long)&rtl8192fu_fops}, 8097 /* EDIMAX EW-7722UTn V3 */ 8098 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xb722, 0xff, 0xff, 0xff), 8099 .driver_info = (unsigned long)&rtl8192fu_fops}, 8100 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x318b, 0xff, 0xff, 0xff), 8101 .driver_info = (unsigned long)&rtl8192fu_fops}, 8102 /* TP-Link TL-WN823N V2 */ 8103 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0135, 0xff, 0xff, 0xff), 8104 .driver_info = (unsigned long)&rtl8192fu_fops}, 8105 #ifdef CONFIG_RTL8XXXU_UNTESTED 8106 /* Still supported by rtlwifi */ 8107 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8176, 0xff, 0xff, 0xff), 8108 .driver_info = (unsigned long)&rtl8192cu_fops}, 8109 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8178, 0xff, 0xff, 0xff), 8110 .driver_info = (unsigned long)&rtl8192cu_fops}, 8111 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817f, 0xff, 0xff, 0xff), 8112 .driver_info = (unsigned long)&rtl8192cu_fops}, 8113 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x819a, 0xff, 0xff, 0xff), 8114 .driver_info = (unsigned long)&rtl8192cu_fops}, 8115 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8754, 0xff, 0xff, 0xff), 8116 .driver_info = (unsigned long)&rtl8192cu_fops}, 8117 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817c, 0xff, 0xff, 0xff), 8118 .driver_info = (unsigned long)&rtl8192cu_fops}, 8119 /* Tested by Larry Finger */ 8120 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0x7811, 0xff, 0xff, 0xff), 8121 .driver_info = (unsigned long)&rtl8192cu_fops}, 8122 /* Tested by Andrea Merello */ 8123 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x1004, 0xff, 0xff, 0xff), 8124 .driver_info = (unsigned long)&rtl8192cu_fops}, 8125 /* Tested by Jocelyn Mayer */ 8126 {USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0x648b, 0xff, 0xff, 0xff), 8127 .driver_info = (unsigned long)&rtl8192cu_fops}, 8128 /* Tested by Stefano Bravi */ 8129 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3308, 0xff, 0xff, 0xff), 8130 .driver_info = (unsigned long)&rtl8192cu_fops}, 8131 /* Currently untested 8188 series devices */ 8132 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x018a, 0xff, 0xff, 0xff), 8133 .driver_info = (unsigned long)&rtl8192cu_fops}, 8134 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8191, 0xff, 0xff, 0xff), 8135 .driver_info = (unsigned long)&rtl8192cu_fops}, 8136 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8170, 0xff, 0xff, 0xff), 8137 .driver_info = (unsigned long)&rtl8192cu_fops}, 8138 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8177, 0xff, 0xff, 0xff), 8139 .driver_info = (unsigned long)&rtl8192cu_fops}, 8140 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817a, 0xff, 0xff, 0xff), 8141 .driver_info = (unsigned long)&rtl8192cu_fops}, 8142 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817b, 0xff, 0xff, 0xff), 8143 .driver_info = (unsigned long)&rtl8192cu_fops}, 8144 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817d, 0xff, 0xff, 0xff), 8145 .driver_info = (unsigned long)&rtl8192cu_fops}, 8146 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817e, 0xff, 0xff, 0xff), 8147 .driver_info = (unsigned long)&rtl8192cu_fops}, 8148 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818a, 0xff, 0xff, 0xff), 8149 .driver_info = (unsigned long)&rtl8192cu_fops}, 8150 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x317f, 0xff, 0xff, 0xff), 8151 .driver_info = (unsigned long)&rtl8192cu_fops}, 8152 {USB_DEVICE_AND_INTERFACE_INFO(0x1058, 0x0631, 0xff, 0xff, 0xff), 8153 .driver_info = (unsigned long)&rtl8192cu_fops}, 8154 {USB_DEVICE_AND_INTERFACE_INFO(0x04bb, 0x094c, 0xff, 0xff, 0xff), 8155 .driver_info = (unsigned long)&rtl8192cu_fops}, 8156 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x1102, 0xff, 0xff, 0xff), 8157 .driver_info = (unsigned long)&rtl8192cu_fops}, 8158 {USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe033, 0xff, 0xff, 0xff), 8159 .driver_info = (unsigned long)&rtl8192cu_fops}, 8160 {USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8189, 0xff, 0xff, 0xff), 8161 .driver_info = (unsigned long)&rtl8192cu_fops}, 8162 {USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9041, 0xff, 0xff, 0xff), 8163 .driver_info = (unsigned long)&rtl8192cu_fops}, 8164 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x17ba, 0xff, 0xff, 0xff), 8165 .driver_info = (unsigned long)&rtl8192cu_fops}, 8166 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x1e1e, 0xff, 0xff, 0xff), 8167 .driver_info = (unsigned long)&rtl8192cu_fops}, 8168 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x5088, 0xff, 0xff, 0xff), 8169 .driver_info = (unsigned long)&rtl8192cu_fops}, 8170 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0052, 0xff, 0xff, 0xff), 8171 .driver_info = (unsigned long)&rtl8192cu_fops}, 8172 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x005c, 0xff, 0xff, 0xff), 8173 .driver_info = (unsigned long)&rtl8192cu_fops}, 8174 {USB_DEVICE_AND_INTERFACE_INFO(0x0eb0, 0x9071, 0xff, 0xff, 0xff), 8175 .driver_info = (unsigned long)&rtl8192cu_fops}, 8176 {USB_DEVICE_AND_INTERFACE_INFO(0x103c, 0x1629, 0xff, 0xff, 0xff), 8177 .driver_info = (unsigned long)&rtl8192cu_fops}, 8178 {USB_DEVICE_AND_INTERFACE_INFO(0x13d3, 0x3357, 0xff, 0xff, 0xff), 8179 .driver_info = (unsigned long)&rtl8192cu_fops}, 8180 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330b, 0xff, 0xff, 0xff), 8181 .driver_info = (unsigned long)&rtl8192cu_fops}, 8182 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0x4902, 0xff, 0xff, 0xff), 8183 .driver_info = (unsigned long)&rtl8192cu_fops}, 8184 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2a, 0xff, 0xff, 0xff), 8185 .driver_info = (unsigned long)&rtl8192cu_fops}, 8186 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2e, 0xff, 0xff, 0xff), 8187 .driver_info = (unsigned long)&rtl8192cu_fops}, 8188 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xed17, 0xff, 0xff, 0xff), 8189 .driver_info = (unsigned long)&rtl8192cu_fops}, 8190 {USB_DEVICE_AND_INTERFACE_INFO(0x4855, 0x0090, 0xff, 0xff, 0xff), 8191 .driver_info = (unsigned long)&rtl8192cu_fops}, 8192 {USB_DEVICE_AND_INTERFACE_INFO(0x4856, 0x0091, 0xff, 0xff, 0xff), 8193 .driver_info = (unsigned long)&rtl8192cu_fops}, 8194 {USB_DEVICE_AND_INTERFACE_INFO(0xcdab, 0x8010, 0xff, 0xff, 0xff), 8195 .driver_info = (unsigned long)&rtl8192cu_fops}, 8196 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff7, 0xff, 0xff, 0xff), 8197 .driver_info = (unsigned long)&rtl8192cu_fops}, 8198 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff9, 0xff, 0xff, 0xff), 8199 .driver_info = (unsigned long)&rtl8192cu_fops}, 8200 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffa, 0xff, 0xff, 0xff), 8201 .driver_info = (unsigned long)&rtl8192cu_fops}, 8202 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff8, 0xff, 0xff, 0xff), 8203 .driver_info = (unsigned long)&rtl8192cu_fops}, 8204 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffb, 0xff, 0xff, 0xff), 8205 .driver_info = (unsigned long)&rtl8192cu_fops}, 8206 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffc, 0xff, 0xff, 0xff), 8207 .driver_info = (unsigned long)&rtl8192cu_fops}, 8208 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0x1201, 0xff, 0xff, 0xff), 8209 .driver_info = (unsigned long)&rtl8192cu_fops}, 8210 /* Currently untested 8192 series devices */ 8211 {USB_DEVICE_AND_INTERFACE_INFO(0x04bb, 0x0950, 0xff, 0xff, 0xff), 8212 .driver_info = (unsigned long)&rtl8192cu_fops}, 8213 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x2102, 0xff, 0xff, 0xff), 8214 .driver_info = (unsigned long)&rtl8192cu_fops}, 8215 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x2103, 0xff, 0xff, 0xff), 8216 .driver_info = (unsigned long)&rtl8192cu_fops}, 8217 {USB_DEVICE_AND_INTERFACE_INFO(0x0586, 0x341f, 0xff, 0xff, 0xff), 8218 .driver_info = (unsigned long)&rtl8192cu_fops}, 8219 {USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe035, 0xff, 0xff, 0xff), 8220 .driver_info = (unsigned long)&rtl8192cu_fops}, 8221 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x17ab, 0xff, 0xff, 0xff), 8222 .driver_info = (unsigned long)&rtl8192cu_fops}, 8223 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0061, 0xff, 0xff, 0xff), 8224 .driver_info = (unsigned long)&rtl8192cu_fops}, 8225 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0070, 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(0x2019, 0xab2b, 0xff, 0xff, 0xff), 8250 .driver_info = (unsigned long)&rtl8192cu_fops}, 8251 {USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0x624d, 0xff, 0xff, 0xff), 8252 .driver_info = (unsigned long)&rtl8192cu_fops}, 8253 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0100, 0xff, 0xff, 0xff), 8254 .driver_info = (unsigned long)&rtl8192cu_fops}, 8255 {USB_DEVICE_AND_INTERFACE_INFO(0x4855, 0x0091, 0xff, 0xff, 0xff), 8256 .driver_info = (unsigned long)&rtl8192cu_fops}, 8257 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0x7822, 0xff, 0xff, 0xff), 8258 .driver_info = (unsigned long)&rtl8192cu_fops}, 8259 /* found in rtl8192eu vendor driver */ 8260 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0107, 0xff, 0xff, 0xff), 8261 .driver_info = (unsigned long)&rtl8192eu_fops}, 8262 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab33, 0xff, 0xff, 0xff), 8263 .driver_info = (unsigned long)&rtl8192eu_fops}, 8264 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818c, 0xff, 0xff, 0xff), 8265 .driver_info = (unsigned long)&rtl8192eu_fops}, 8266 /* D-Link DWA-131 rev C1 */ 8267 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3312, 0xff, 0xff, 0xff), 8268 .driver_info = (unsigned long)&rtl8192eu_fops}, 8269 /* TP-Link TL-WN8200ND V2 */ 8270 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0126, 0xff, 0xff, 0xff), 8271 .driver_info = (unsigned long)&rtl8192eu_fops}, 8272 /* Mercusys MW300UM */ 8273 {USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0100, 0xff, 0xff, 0xff), 8274 .driver_info = (unsigned long)&rtl8192eu_fops}, 8275 /* Mercusys MW300UH */ 8276 {USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0104, 0xff, 0xff, 0xff), 8277 .driver_info = (unsigned long)&rtl8192eu_fops}, 8278 #endif 8279 { } 8280 }; 8281 8282 static struct usb_driver rtl8xxxu_driver = { 8283 .name = DRIVER_NAME, 8284 .probe = rtl8xxxu_probe, 8285 .disconnect = rtl8xxxu_disconnect, 8286 .id_table = dev_table, 8287 .no_dynamic_id = 1, 8288 .disable_hub_initiated_lpm = 1, 8289 }; 8290 8291 MODULE_DEVICE_TABLE(usb, dev_table); 8292 8293 module_usb_driver(rtl8xxxu_driver); 8294