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 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_REG_WRITE) 864 dev_info(&udev->dev, 865 "%s: Failed to write block at addr: %04x size: %04x\n", 866 __func__, addr, blocksize); 867 return -EAGAIN; 868 } 869 870 u32 rtl8xxxu_read_rfreg(struct rtl8xxxu_priv *priv, 871 enum rtl8xxxu_rfpath path, u8 reg) 872 { 873 u32 hssia, val32, retval; 874 875 hssia = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM2); 876 if (path != RF_A) 877 val32 = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hssiparm2); 878 else 879 val32 = hssia; 880 881 val32 &= ~FPGA0_HSSI_PARM2_ADDR_MASK; 882 val32 |= (reg << FPGA0_HSSI_PARM2_ADDR_SHIFT); 883 val32 |= FPGA0_HSSI_PARM2_EDGE_READ; 884 hssia &= ~FPGA0_HSSI_PARM2_EDGE_READ; 885 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM2, hssia); 886 887 udelay(10); 888 889 rtl8xxxu_write32(priv, rtl8xxxu_rfregs[path].hssiparm2, val32); 890 udelay(100); 891 892 hssia |= FPGA0_HSSI_PARM2_EDGE_READ; 893 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM2, hssia); 894 udelay(10); 895 896 val32 = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hssiparm1); 897 if (val32 & FPGA0_HSSI_PARM1_PI) 898 retval = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].hspiread); 899 else 900 retval = rtl8xxxu_read32(priv, rtl8xxxu_rfregs[path].lssiread); 901 902 retval &= 0xfffff; 903 904 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_RFREG_READ) 905 dev_info(&priv->udev->dev, "%s(%02x) = 0x%06x\n", 906 __func__, reg, retval); 907 return retval; 908 } 909 910 /* 911 * The RTL8723BU driver indicates that registers 0xb2 and 0xb6 can 912 * have write issues in high temperature conditions. We may have to 913 * retry writing them. 914 */ 915 int rtl8xxxu_write_rfreg(struct rtl8xxxu_priv *priv, 916 enum rtl8xxxu_rfpath path, u8 reg, u32 data) 917 { 918 int ret, retval; 919 u32 dataaddr, val32; 920 921 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_RFREG_WRITE) 922 dev_info(&priv->udev->dev, "%s(%02x) = 0x%06x\n", 923 __func__, reg, data); 924 925 data &= FPGA0_LSSI_PARM_DATA_MASK; 926 dataaddr = (reg << FPGA0_LSSI_PARM_ADDR_SHIFT) | data; 927 928 if (priv->rtl_chip == RTL8192E) { 929 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); 930 val32 &= ~0x20000; 931 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); 932 } 933 934 /* Use XB for path B */ 935 ret = rtl8xxxu_write32(priv, rtl8xxxu_rfregs[path].lssiparm, dataaddr); 936 if (ret != sizeof(dataaddr)) 937 retval = -EIO; 938 else 939 retval = 0; 940 941 udelay(1); 942 943 if (priv->rtl_chip == RTL8192E) { 944 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); 945 val32 |= 0x20000; 946 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); 947 } 948 949 return retval; 950 } 951 952 static int 953 rtl8xxxu_gen1_h2c_cmd(struct rtl8xxxu_priv *priv, struct h2c_cmd *h2c, int len) 954 { 955 struct device *dev = &priv->udev->dev; 956 int mbox_nr, retry, retval = 0; 957 int mbox_reg, mbox_ext_reg; 958 u8 val8; 959 960 mutex_lock(&priv->h2c_mutex); 961 962 mbox_nr = priv->next_mbox; 963 mbox_reg = REG_HMBOX_0 + (mbox_nr * 4); 964 mbox_ext_reg = REG_HMBOX_EXT_0 + (mbox_nr * 2); 965 966 /* 967 * MBOX ready? 968 */ 969 retry = 100; 970 do { 971 val8 = rtl8xxxu_read8(priv, REG_HMTFR); 972 if (!(val8 & BIT(mbox_nr))) 973 break; 974 } while (retry--); 975 976 if (!retry) { 977 dev_info(dev, "%s: Mailbox busy\n", __func__); 978 retval = -EBUSY; 979 goto error; 980 } 981 982 /* 983 * Need to swap as it's being swapped again by rtl8xxxu_write16/32() 984 */ 985 if (len > sizeof(u32)) { 986 rtl8xxxu_write16(priv, mbox_ext_reg, le16_to_cpu(h2c->raw.ext)); 987 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) 988 dev_info(dev, "H2C_EXT %04x\n", 989 le16_to_cpu(h2c->raw.ext)); 990 } 991 rtl8xxxu_write32(priv, mbox_reg, le32_to_cpu(h2c->raw.data)); 992 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) 993 dev_info(dev, "H2C %08x\n", le32_to_cpu(h2c->raw.data)); 994 995 priv->next_mbox = (mbox_nr + 1) % H2C_MAX_MBOX; 996 997 error: 998 mutex_unlock(&priv->h2c_mutex); 999 return retval; 1000 } 1001 1002 int 1003 rtl8xxxu_gen2_h2c_cmd(struct rtl8xxxu_priv *priv, struct h2c_cmd *h2c, int len) 1004 { 1005 struct device *dev = &priv->udev->dev; 1006 int mbox_nr, retry, retval = 0; 1007 int mbox_reg, mbox_ext_reg; 1008 u8 val8; 1009 1010 mutex_lock(&priv->h2c_mutex); 1011 1012 mbox_nr = priv->next_mbox; 1013 mbox_reg = REG_HMBOX_0 + (mbox_nr * 4); 1014 mbox_ext_reg = REG_HMBOX_EXT0_8723B + (mbox_nr * 4); 1015 1016 /* 1017 * MBOX ready? 1018 */ 1019 retry = 100; 1020 do { 1021 val8 = rtl8xxxu_read8(priv, REG_HMTFR); 1022 if (!(val8 & BIT(mbox_nr))) 1023 break; 1024 } while (retry--); 1025 1026 if (!retry) { 1027 dev_info(dev, "%s: Mailbox busy\n", __func__); 1028 retval = -EBUSY; 1029 goto error; 1030 } 1031 1032 /* 1033 * Need to swap as it's being swapped again by rtl8xxxu_write16/32() 1034 */ 1035 if (len > sizeof(u32)) { 1036 rtl8xxxu_write32(priv, mbox_ext_reg, 1037 le32_to_cpu(h2c->raw_wide.ext)); 1038 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) 1039 dev_info(dev, "H2C_EXT %08x\n", 1040 le32_to_cpu(h2c->raw_wide.ext)); 1041 } 1042 rtl8xxxu_write32(priv, mbox_reg, le32_to_cpu(h2c->raw.data)); 1043 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_H2C) 1044 dev_info(dev, "H2C %08x\n", le32_to_cpu(h2c->raw.data)); 1045 1046 priv->next_mbox = (mbox_nr + 1) % H2C_MAX_MBOX; 1047 1048 error: 1049 mutex_unlock(&priv->h2c_mutex); 1050 return retval; 1051 } 1052 1053 void rtl8xxxu_gen1_enable_rf(struct rtl8xxxu_priv *priv) 1054 { 1055 u8 val8; 1056 u32 val32; 1057 1058 val8 = rtl8xxxu_read8(priv, REG_SPS0_CTRL); 1059 val8 |= BIT(0) | BIT(3); 1060 rtl8xxxu_write8(priv, REG_SPS0_CTRL, val8); 1061 1062 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_PARM); 1063 val32 &= ~(BIT(4) | BIT(5)); 1064 val32 |= BIT(3); 1065 if (priv->rf_paths == 2) { 1066 val32 &= ~(BIT(20) | BIT(21)); 1067 val32 |= BIT(19); 1068 } 1069 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_PARM, val32); 1070 1071 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); 1072 val32 &= ~OFDM_RF_PATH_TX_MASK; 1073 if (priv->tx_paths == 2) 1074 val32 |= OFDM_RF_PATH_TX_A | OFDM_RF_PATH_TX_B; 1075 else if (priv->rtl_chip == RTL8192C || priv->rtl_chip == RTL8191C) 1076 val32 |= OFDM_RF_PATH_TX_B; 1077 else 1078 val32 |= OFDM_RF_PATH_TX_A; 1079 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); 1080 1081 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1082 val32 &= ~FPGA_RF_MODE_JAPAN; 1083 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1084 1085 if (priv->rf_paths == 2) 1086 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x63db25a0); 1087 else 1088 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x631b25a0); 1089 1090 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0x32d95); 1091 if (priv->rf_paths == 2) 1092 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 0x32d95); 1093 1094 rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00); 1095 } 1096 1097 void rtl8xxxu_gen1_disable_rf(struct rtl8xxxu_priv *priv) 1098 { 1099 u8 sps0; 1100 u32 val32; 1101 1102 sps0 = rtl8xxxu_read8(priv, REG_SPS0_CTRL); 1103 1104 /* RF RX code for preamble power saving */ 1105 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_PARM); 1106 val32 &= ~(BIT(3) | BIT(4) | BIT(5)); 1107 if (priv->rf_paths == 2) 1108 val32 &= ~(BIT(19) | BIT(20) | BIT(21)); 1109 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_PARM, val32); 1110 1111 /* Disable TX for four paths */ 1112 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); 1113 val32 &= ~OFDM_RF_PATH_TX_MASK; 1114 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); 1115 1116 /* Enable power saving */ 1117 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1118 val32 |= FPGA_RF_MODE_JAPAN; 1119 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1120 1121 /* AFE control register to power down bits [30:22] */ 1122 if (priv->rf_paths == 2) 1123 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x00db25a0); 1124 else 1125 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, 0x001b25a0); 1126 1127 /* Power down RF module */ 1128 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0); 1129 if (priv->rf_paths == 2) 1130 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 0); 1131 1132 sps0 &= ~(BIT(0) | BIT(3)); 1133 rtl8xxxu_write8(priv, REG_SPS0_CTRL, sps0); 1134 } 1135 1136 static void rtl8xxxu_stop_tx_beacon(struct rtl8xxxu_priv *priv) 1137 { 1138 u8 val8; 1139 1140 val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL + 2); 1141 val8 &= ~BIT(6); 1142 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL + 2, val8); 1143 1144 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 1, 0x64); 1145 val8 = rtl8xxxu_read8(priv, REG_TBTT_PROHIBIT + 2); 1146 val8 &= ~BIT(0); 1147 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 2, val8); 1148 } 1149 1150 static void rtl8xxxu_start_tx_beacon(struct rtl8xxxu_priv *priv) 1151 { 1152 u8 val8; 1153 1154 val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL + 2); 1155 val8 |= EN_BCNQ_DL >> 16; 1156 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL + 2, val8); 1157 1158 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 1, 0x80); 1159 val8 = rtl8xxxu_read8(priv, REG_TBTT_PROHIBIT + 2); 1160 val8 &= 0xF0; 1161 rtl8xxxu_write8(priv, REG_TBTT_PROHIBIT + 2, val8); 1162 } 1163 1164 1165 /* 1166 * The rtl8723a has 3 channel groups for its efuse settings. It only 1167 * supports the 2.4GHz band, so channels 1 - 14: 1168 * group 0: channels 1 - 3 1169 * group 1: channels 4 - 9 1170 * group 2: channels 10 - 14 1171 * 1172 * Note: We index from 0 in the code 1173 */ 1174 static int rtl8xxxu_gen1_channel_to_group(int channel) 1175 { 1176 int group; 1177 1178 if (channel < 4) 1179 group = 0; 1180 else if (channel < 10) 1181 group = 1; 1182 else 1183 group = 2; 1184 1185 return group; 1186 } 1187 1188 /* 1189 * Valid for rtl8723bu and rtl8192eu 1190 */ 1191 int rtl8xxxu_gen2_channel_to_group(int channel) 1192 { 1193 int group; 1194 1195 if (channel < 3) 1196 group = 0; 1197 else if (channel < 6) 1198 group = 1; 1199 else if (channel < 9) 1200 group = 2; 1201 else if (channel < 12) 1202 group = 3; 1203 else 1204 group = 4; 1205 1206 return group; 1207 } 1208 1209 void rtl8xxxu_gen1_config_channel(struct ieee80211_hw *hw) 1210 { 1211 struct rtl8xxxu_priv *priv = hw->priv; 1212 u32 val32, rsr; 1213 u8 val8, opmode; 1214 bool ht = true; 1215 int sec_ch_above, channel; 1216 int i; 1217 1218 opmode = rtl8xxxu_read8(priv, REG_BW_OPMODE); 1219 rsr = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); 1220 channel = hw->conf.chandef.chan->hw_value; 1221 1222 switch (hw->conf.chandef.width) { 1223 case NL80211_CHAN_WIDTH_20_NOHT: 1224 ht = false; 1225 fallthrough; 1226 case NL80211_CHAN_WIDTH_20: 1227 opmode |= BW_OPMODE_20MHZ; 1228 rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode); 1229 1230 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1231 val32 &= ~FPGA_RF_MODE; 1232 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1233 1234 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); 1235 val32 &= ~FPGA_RF_MODE; 1236 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); 1237 1238 val32 = rtl8xxxu_read32(priv, REG_FPGA0_ANALOG2); 1239 val32 |= FPGA0_ANALOG2_20MHZ; 1240 rtl8xxxu_write32(priv, REG_FPGA0_ANALOG2, val32); 1241 break; 1242 case NL80211_CHAN_WIDTH_40: 1243 if (hw->conf.chandef.center_freq1 > 1244 hw->conf.chandef.chan->center_freq) { 1245 sec_ch_above = 1; 1246 channel += 2; 1247 } else { 1248 sec_ch_above = 0; 1249 channel -= 2; 1250 } 1251 1252 opmode &= ~BW_OPMODE_20MHZ; 1253 rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode); 1254 rsr &= ~RSR_RSC_BANDWIDTH_40M; 1255 if (sec_ch_above) 1256 rsr |= RSR_RSC_UPPER_SUB_CHANNEL; 1257 else 1258 rsr |= RSR_RSC_LOWER_SUB_CHANNEL; 1259 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, rsr); 1260 1261 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1262 val32 |= FPGA_RF_MODE; 1263 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1264 1265 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); 1266 val32 |= FPGA_RF_MODE; 1267 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); 1268 1269 /* 1270 * Set Control channel to upper or lower. These settings 1271 * are required only for 40MHz 1272 */ 1273 val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM); 1274 val32 &= ~CCK0_SIDEBAND; 1275 if (!sec_ch_above) 1276 val32 |= CCK0_SIDEBAND; 1277 rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32); 1278 1279 val32 = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); 1280 val32 &= ~OFDM_LSTF_PRIME_CH_MASK; /* 0xc00 */ 1281 if (sec_ch_above) 1282 val32 |= OFDM_LSTF_PRIME_CH_LOW; 1283 else 1284 val32 |= OFDM_LSTF_PRIME_CH_HIGH; 1285 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); 1286 1287 val32 = rtl8xxxu_read32(priv, REG_FPGA0_ANALOG2); 1288 val32 &= ~FPGA0_ANALOG2_20MHZ; 1289 rtl8xxxu_write32(priv, REG_FPGA0_ANALOG2, val32); 1290 1291 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); 1292 val32 &= ~(FPGA0_PS_LOWER_CHANNEL | FPGA0_PS_UPPER_CHANNEL); 1293 if (sec_ch_above) 1294 val32 |= FPGA0_PS_UPPER_CHANNEL; 1295 else 1296 val32 |= FPGA0_PS_LOWER_CHANNEL; 1297 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); 1298 break; 1299 1300 default: 1301 break; 1302 } 1303 1304 for (i = RF_A; i < priv->rf_paths; i++) { 1305 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); 1306 val32 &= ~MODE_AG_CHANNEL_MASK; 1307 val32 |= channel; 1308 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); 1309 } 1310 1311 if (ht) 1312 val8 = 0x0e; 1313 else 1314 val8 = 0x0a; 1315 1316 rtl8xxxu_write8(priv, REG_SIFS_CCK + 1, val8); 1317 rtl8xxxu_write8(priv, REG_SIFS_OFDM + 1, val8); 1318 1319 rtl8xxxu_write16(priv, REG_R2T_SIFS, 0x0808); 1320 rtl8xxxu_write16(priv, REG_T2T_SIFS, 0x0a0a); 1321 1322 for (i = RF_A; i < priv->rf_paths; i++) { 1323 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); 1324 if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) 1325 val32 &= ~MODE_AG_CHANNEL_20MHZ; 1326 else 1327 val32 |= MODE_AG_CHANNEL_20MHZ; 1328 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); 1329 } 1330 } 1331 1332 void rtl8xxxu_gen2_config_channel(struct ieee80211_hw *hw) 1333 { 1334 struct rtl8xxxu_priv *priv = hw->priv; 1335 u32 val32; 1336 u8 val8, subchannel; 1337 u16 rf_mode_bw; 1338 bool ht = true; 1339 int sec_ch_above, channel; 1340 int i; 1341 1342 rf_mode_bw = rtl8xxxu_read16(priv, REG_WMAC_TRXPTCL_CTL); 1343 rf_mode_bw &= ~WMAC_TRXPTCL_CTL_BW_MASK; 1344 channel = hw->conf.chandef.chan->hw_value; 1345 1346 /* Hack */ 1347 subchannel = 0; 1348 1349 switch (hw->conf.chandef.width) { 1350 case NL80211_CHAN_WIDTH_20_NOHT: 1351 ht = false; 1352 fallthrough; 1353 case NL80211_CHAN_WIDTH_20: 1354 rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_20; 1355 subchannel = 0; 1356 1357 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1358 val32 &= ~FPGA_RF_MODE; 1359 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1360 1361 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); 1362 val32 &= ~FPGA_RF_MODE; 1363 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); 1364 1365 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT); 1366 val32 &= ~(BIT(30) | BIT(31)); 1367 rtl8xxxu_write32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT, val32); 1368 1369 break; 1370 case NL80211_CHAN_WIDTH_40: 1371 rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_40; 1372 1373 if (hw->conf.chandef.center_freq1 > 1374 hw->conf.chandef.chan->center_freq) { 1375 sec_ch_above = 1; 1376 channel += 2; 1377 } else { 1378 sec_ch_above = 0; 1379 channel -= 2; 1380 } 1381 1382 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 1383 val32 |= FPGA_RF_MODE; 1384 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 1385 1386 val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); 1387 val32 |= FPGA_RF_MODE; 1388 rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); 1389 1390 /* 1391 * Set Control channel to upper or lower. These settings 1392 * are required only for 40MHz 1393 */ 1394 val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM); 1395 val32 &= ~CCK0_SIDEBAND; 1396 if (!sec_ch_above) 1397 val32 |= CCK0_SIDEBAND; 1398 rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32); 1399 1400 val32 = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); 1401 val32 &= ~OFDM_LSTF_PRIME_CH_MASK; /* 0xc00 */ 1402 if (sec_ch_above) 1403 val32 |= OFDM_LSTF_PRIME_CH_LOW; 1404 else 1405 val32 |= OFDM_LSTF_PRIME_CH_HIGH; 1406 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); 1407 1408 val32 = rtl8xxxu_read32(priv, REG_FPGA0_POWER_SAVE); 1409 val32 &= ~(FPGA0_PS_LOWER_CHANNEL | FPGA0_PS_UPPER_CHANNEL); 1410 if (sec_ch_above) 1411 val32 |= FPGA0_PS_UPPER_CHANNEL; 1412 else 1413 val32 |= FPGA0_PS_LOWER_CHANNEL; 1414 rtl8xxxu_write32(priv, REG_FPGA0_POWER_SAVE, val32); 1415 break; 1416 case NL80211_CHAN_WIDTH_80: 1417 rf_mode_bw |= WMAC_TRXPTCL_CTL_BW_80; 1418 break; 1419 default: 1420 break; 1421 } 1422 1423 for (i = RF_A; i < priv->rf_paths; i++) { 1424 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); 1425 val32 &= ~MODE_AG_CHANNEL_MASK; 1426 val32 |= channel; 1427 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); 1428 } 1429 1430 rtl8xxxu_write16(priv, REG_WMAC_TRXPTCL_CTL, rf_mode_bw); 1431 rtl8xxxu_write8(priv, REG_DATA_SUBCHANNEL, subchannel); 1432 1433 if (ht) 1434 val8 = 0x0e; 1435 else 1436 val8 = 0x0a; 1437 1438 rtl8xxxu_write8(priv, REG_SIFS_CCK + 1, val8); 1439 rtl8xxxu_write8(priv, REG_SIFS_OFDM + 1, val8); 1440 1441 rtl8xxxu_write16(priv, REG_R2T_SIFS, 0x0808); 1442 rtl8xxxu_write16(priv, REG_T2T_SIFS, 0x0a0a); 1443 1444 for (i = RF_A; i < priv->rf_paths; i++) { 1445 val32 = rtl8xxxu_read_rfreg(priv, i, RF6052_REG_MODE_AG); 1446 val32 &= ~MODE_AG_BW_MASK; 1447 switch(hw->conf.chandef.width) { 1448 case NL80211_CHAN_WIDTH_80: 1449 val32 |= MODE_AG_BW_80MHZ_8723B; 1450 break; 1451 case NL80211_CHAN_WIDTH_40: 1452 val32 |= MODE_AG_BW_40MHZ_8723B; 1453 break; 1454 default: 1455 val32 |= MODE_AG_BW_20MHZ_8723B; 1456 break; 1457 } 1458 rtl8xxxu_write_rfreg(priv, i, RF6052_REG_MODE_AG, val32); 1459 } 1460 } 1461 1462 void 1463 rtl8xxxu_gen1_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40) 1464 { 1465 struct rtl8xxxu_power_base *power_base = priv->power_base; 1466 u8 cck[RTL8723A_MAX_RF_PATHS], ofdm[RTL8723A_MAX_RF_PATHS]; 1467 u8 ofdmbase[RTL8723A_MAX_RF_PATHS], mcsbase[RTL8723A_MAX_RF_PATHS]; 1468 u32 val32, ofdm_a, ofdm_b, mcs_a, mcs_b; 1469 u8 val8, base; 1470 int group, i; 1471 1472 group = rtl8xxxu_gen1_channel_to_group(channel); 1473 1474 cck[0] = priv->cck_tx_power_index_A[group]; 1475 cck[1] = priv->cck_tx_power_index_B[group]; 1476 1477 if (priv->hi_pa) { 1478 if (cck[0] > 0x20) 1479 cck[0] = 0x20; 1480 if (cck[1] > 0x20) 1481 cck[1] = 0x20; 1482 } 1483 1484 ofdm[0] = priv->ht40_1s_tx_power_index_A[group]; 1485 ofdm[1] = priv->ht40_1s_tx_power_index_B[group]; 1486 1487 ofdmbase[0] = ofdm[0] + priv->ofdm_tx_power_index_diff[group].a; 1488 ofdmbase[1] = ofdm[1] + priv->ofdm_tx_power_index_diff[group].b; 1489 1490 mcsbase[0] = ofdm[0]; 1491 mcsbase[1] = ofdm[1]; 1492 if (!ht40) { 1493 mcsbase[0] += priv->ht20_tx_power_index_diff[group].a; 1494 mcsbase[1] += priv->ht20_tx_power_index_diff[group].b; 1495 } 1496 1497 if (priv->tx_paths > 1) { 1498 if (ofdm[0] > priv->ht40_2s_tx_power_index_diff[group].a) 1499 ofdm[0] -= priv->ht40_2s_tx_power_index_diff[group].a; 1500 if (ofdm[1] > priv->ht40_2s_tx_power_index_diff[group].b) 1501 ofdm[1] -= priv->ht40_2s_tx_power_index_diff[group].b; 1502 } 1503 1504 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_CHANNEL) 1505 dev_info(&priv->udev->dev, 1506 "%s: Setting TX power CCK A: %02x, " 1507 "CCK B: %02x, OFDM A: %02x, OFDM B: %02x\n", 1508 __func__, cck[0], cck[1], ofdm[0], ofdm[1]); 1509 1510 for (i = 0; i < RTL8723A_MAX_RF_PATHS; i++) { 1511 if (cck[i] > RF6052_MAX_TX_PWR) 1512 cck[i] = RF6052_MAX_TX_PWR; 1513 if (ofdm[i] > RF6052_MAX_TX_PWR) 1514 ofdm[i] = RF6052_MAX_TX_PWR; 1515 } 1516 1517 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32); 1518 val32 &= 0xffff00ff; 1519 val32 |= (cck[0] << 8); 1520 rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32); 1521 1522 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); 1523 val32 &= 0xff; 1524 val32 |= ((cck[0] << 8) | (cck[0] << 16) | (cck[0] << 24)); 1525 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); 1526 1527 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); 1528 val32 &= 0xffffff00; 1529 val32 |= cck[1]; 1530 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); 1531 1532 val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK1_55_MCS32); 1533 val32 &= 0xff; 1534 val32 |= ((cck[1] << 8) | (cck[1] << 16) | (cck[1] << 24)); 1535 rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK1_55_MCS32, val32); 1536 1537 ofdm_a = ofdmbase[0] | ofdmbase[0] << 8 | 1538 ofdmbase[0] << 16 | ofdmbase[0] << 24; 1539 ofdm_b = ofdmbase[1] | ofdmbase[1] << 8 | 1540 ofdmbase[1] << 16 | ofdmbase[1] << 24; 1541 1542 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, 1543 ofdm_a + power_base->reg_0e00); 1544 rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE18_06, 1545 ofdm_b + power_base->reg_0830); 1546 1547 rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, 1548 ofdm_a + power_base->reg_0e04); 1549 rtl8xxxu_write32(priv, REG_TX_AGC_B_RATE54_24, 1550 ofdm_b + power_base->reg_0834); 1551 1552 mcs_a = mcsbase[0] | mcsbase[0] << 8 | 1553 mcsbase[0] << 16 | mcsbase[0] << 24; 1554 mcs_b = mcsbase[1] | mcsbase[1] << 8 | 1555 mcsbase[1] << 16 | mcsbase[1] << 24; 1556 1557 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, 1558 mcs_a + power_base->reg_0e10); 1559 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS03_MCS00, 1560 mcs_b + power_base->reg_083c); 1561 1562 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, 1563 mcs_a + power_base->reg_0e14); 1564 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS07_MCS04, 1565 mcs_b + power_base->reg_0848); 1566 1567 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, 1568 mcs_a + power_base->reg_0e18); 1569 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS11_MCS08, 1570 mcs_b + power_base->reg_084c); 1571 1572 rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, 1573 mcs_a + power_base->reg_0e1c); 1574 val8 = u32_get_bits(mcs_a + power_base->reg_0e1c, 0xff000000); 1575 for (i = 0; i < 3; i++) { 1576 base = i != 2 ? 8 : 6; 1577 val8 = max_t(int, val8 - base, 0); 1578 rtl8xxxu_write8(priv, REG_OFDM0_XC_TX_IQ_IMBALANCE + i, val8); 1579 } 1580 1581 rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12, 1582 mcs_b + power_base->reg_0868); 1583 val8 = u32_get_bits(mcs_b + power_base->reg_0868, 0xff000000); 1584 for (i = 0; i < 3; i++) { 1585 base = i != 2 ? 8 : 6; 1586 val8 = max_t(int, val8 - base, 0); 1587 rtl8xxxu_write8(priv, REG_OFDM0_XD_TX_IQ_IMBALANCE + i, val8); 1588 } 1589 } 1590 1591 static void rtl8xxxu_set_linktype(struct rtl8xxxu_priv *priv, 1592 enum nl80211_iftype linktype, int port_num) 1593 { 1594 u8 val8, type; 1595 1596 switch (linktype) { 1597 case NL80211_IFTYPE_UNSPECIFIED: 1598 type = MSR_LINKTYPE_NONE; 1599 break; 1600 case NL80211_IFTYPE_ADHOC: 1601 type = MSR_LINKTYPE_ADHOC; 1602 break; 1603 case NL80211_IFTYPE_STATION: 1604 type = MSR_LINKTYPE_STATION; 1605 break; 1606 case NL80211_IFTYPE_AP: 1607 type = MSR_LINKTYPE_AP; 1608 break; 1609 default: 1610 return; 1611 } 1612 1613 switch (port_num) { 1614 case 0: 1615 val8 = rtl8xxxu_read8(priv, REG_MSR) & 0x0c; 1616 val8 |= type; 1617 break; 1618 case 1: 1619 val8 = rtl8xxxu_read8(priv, REG_MSR) & 0x03; 1620 val8 |= type << 2; 1621 break; 1622 default: 1623 return; 1624 } 1625 1626 rtl8xxxu_write8(priv, REG_MSR, val8); 1627 } 1628 1629 static void 1630 rtl8xxxu_set_retry(struct rtl8xxxu_priv *priv, u16 short_retry, u16 long_retry) 1631 { 1632 u16 val16; 1633 1634 val16 = ((short_retry << RETRY_LIMIT_SHORT_SHIFT) & 1635 RETRY_LIMIT_SHORT_MASK) | 1636 ((long_retry << RETRY_LIMIT_LONG_SHIFT) & 1637 RETRY_LIMIT_LONG_MASK); 1638 1639 rtl8xxxu_write16(priv, REG_RETRY_LIMIT, val16); 1640 } 1641 1642 static void 1643 rtl8xxxu_set_spec_sifs(struct rtl8xxxu_priv *priv, u16 cck, u16 ofdm) 1644 { 1645 u16 val16; 1646 1647 val16 = ((cck << SPEC_SIFS_CCK_SHIFT) & SPEC_SIFS_CCK_MASK) | 1648 ((ofdm << SPEC_SIFS_OFDM_SHIFT) & SPEC_SIFS_OFDM_MASK); 1649 1650 rtl8xxxu_write16(priv, REG_SPEC_SIFS, val16); 1651 } 1652 1653 static void rtl8xxxu_print_chipinfo(struct rtl8xxxu_priv *priv) 1654 { 1655 struct device *dev = &priv->udev->dev; 1656 char cut = 'A' + priv->chip_cut; 1657 1658 dev_info(dev, 1659 "RTL%s rev %c (%s) romver %d, %iT%iR, TX queues %i, WiFi=%i, BT=%i, GPS=%i, HI PA=%i\n", 1660 priv->chip_name, cut, priv->chip_vendor, priv->rom_rev, 1661 priv->tx_paths, priv->rx_paths, priv->ep_tx_count, 1662 priv->has_wifi, priv->has_bluetooth, priv->has_gps, 1663 priv->hi_pa); 1664 1665 dev_info(dev, "RTL%s MAC: %pM\n", priv->chip_name, priv->mac_addr); 1666 } 1667 1668 void rtl8xxxu_identify_vendor_1bit(struct rtl8xxxu_priv *priv, u32 vendor) 1669 { 1670 if (vendor) { 1671 strscpy(priv->chip_vendor, "UMC", sizeof(priv->chip_vendor)); 1672 priv->vendor_umc = 1; 1673 } else { 1674 strscpy(priv->chip_vendor, "TSMC", sizeof(priv->chip_vendor)); 1675 } 1676 } 1677 1678 void rtl8xxxu_identify_vendor_2bits(struct rtl8xxxu_priv *priv, u32 vendor) 1679 { 1680 switch (vendor) { 1681 case SYS_CFG_VENDOR_ID_TSMC: 1682 strscpy(priv->chip_vendor, "TSMC", sizeof(priv->chip_vendor)); 1683 break; 1684 case SYS_CFG_VENDOR_ID_SMIC: 1685 strscpy(priv->chip_vendor, "SMIC", sizeof(priv->chip_vendor)); 1686 priv->vendor_smic = 1; 1687 break; 1688 case SYS_CFG_VENDOR_ID_UMC: 1689 strscpy(priv->chip_vendor, "UMC", sizeof(priv->chip_vendor)); 1690 priv->vendor_umc = 1; 1691 break; 1692 default: 1693 strscpy(priv->chip_vendor, "unknown", sizeof(priv->chip_vendor)); 1694 } 1695 } 1696 1697 void rtl8xxxu_config_endpoints_sie(struct rtl8xxxu_priv *priv) 1698 { 1699 u16 val16; 1700 1701 val16 = rtl8xxxu_read16(priv, REG_NORMAL_SIE_EP_TX); 1702 1703 if (val16 & NORMAL_SIE_EP_TX_HIGH_MASK) { 1704 priv->ep_tx_high_queue = 1; 1705 priv->ep_tx_count++; 1706 } 1707 1708 if (val16 & NORMAL_SIE_EP_TX_NORMAL_MASK) { 1709 priv->ep_tx_normal_queue = 1; 1710 priv->ep_tx_count++; 1711 } 1712 1713 if (val16 & NORMAL_SIE_EP_TX_LOW_MASK) { 1714 priv->ep_tx_low_queue = 1; 1715 priv->ep_tx_count++; 1716 } 1717 } 1718 1719 int rtl8xxxu_config_endpoints_no_sie(struct rtl8xxxu_priv *priv) 1720 { 1721 struct device *dev = &priv->udev->dev; 1722 1723 switch (priv->nr_out_eps) { 1724 case 6: 1725 case 5: 1726 case 4: 1727 case 3: 1728 priv->ep_tx_low_queue = 1; 1729 priv->ep_tx_count++; 1730 fallthrough; 1731 case 2: 1732 priv->ep_tx_normal_queue = 1; 1733 priv->ep_tx_count++; 1734 fallthrough; 1735 case 1: 1736 priv->ep_tx_high_queue = 1; 1737 priv->ep_tx_count++; 1738 break; 1739 default: 1740 dev_info(dev, "Unsupported USB TX end-points\n"); 1741 return -ENOTSUPP; 1742 } 1743 1744 return 0; 1745 } 1746 1747 int 1748 rtl8xxxu_read_efuse8(struct rtl8xxxu_priv *priv, u16 offset, u8 *data) 1749 { 1750 int i; 1751 u8 val8; 1752 u32 val32; 1753 1754 /* Write Address */ 1755 rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 1, offset & 0xff); 1756 val8 = rtl8xxxu_read8(priv, REG_EFUSE_CTRL + 2); 1757 val8 &= 0xfc; 1758 val8 |= (offset >> 8) & 0x03; 1759 rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 2, val8); 1760 1761 val8 = rtl8xxxu_read8(priv, REG_EFUSE_CTRL + 3); 1762 rtl8xxxu_write8(priv, REG_EFUSE_CTRL + 3, val8 & 0x7f); 1763 1764 /* Poll for data read */ 1765 val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL); 1766 for (i = 0; i < RTL8XXXU_MAX_REG_POLL; i++) { 1767 val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL); 1768 if (val32 & BIT(31)) 1769 break; 1770 } 1771 1772 if (i == RTL8XXXU_MAX_REG_POLL) 1773 return -EIO; 1774 1775 udelay(50); 1776 val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL); 1777 1778 *data = val32 & 0xff; 1779 return 0; 1780 } 1781 1782 int rtl8xxxu_read_efuse(struct rtl8xxxu_priv *priv) 1783 { 1784 struct device *dev = &priv->udev->dev; 1785 int i, ret = 0; 1786 u8 val8, word_mask, header, extheader; 1787 u16 val16, efuse_addr, offset; 1788 u32 val32; 1789 1790 val16 = rtl8xxxu_read16(priv, REG_9346CR); 1791 if (val16 & EEPROM_ENABLE) 1792 priv->has_eeprom = 1; 1793 if (val16 & EEPROM_BOOT) 1794 priv->boot_eeprom = 1; 1795 1796 if (priv->is_multi_func) { 1797 val32 = rtl8xxxu_read32(priv, REG_EFUSE_TEST); 1798 val32 = (val32 & ~EFUSE_SELECT_MASK) | EFUSE_WIFI_SELECT; 1799 rtl8xxxu_write32(priv, REG_EFUSE_TEST, val32); 1800 } 1801 1802 dev_dbg(dev, "Booting from %s\n", 1803 priv->boot_eeprom ? "EEPROM" : "EFUSE"); 1804 1805 rtl8xxxu_write8(priv, REG_EFUSE_ACCESS, EFUSE_ACCESS_ENABLE); 1806 1807 /* 1.2V Power: From VDDON with Power Cut(0x0000[15]), default valid */ 1808 val16 = rtl8xxxu_read16(priv, REG_SYS_ISO_CTRL); 1809 if (!(val16 & SYS_ISO_PWC_EV12V)) { 1810 val16 |= SYS_ISO_PWC_EV12V; 1811 rtl8xxxu_write16(priv, REG_SYS_ISO_CTRL, val16); 1812 } 1813 /* Reset: 0x0000[28], default valid */ 1814 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 1815 if (!(val16 & SYS_FUNC_ELDR)) { 1816 val16 |= SYS_FUNC_ELDR; 1817 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 1818 } 1819 1820 /* 1821 * Clock: Gated(0x0008[5]) 8M(0x0008[1]) clock from ANA, default valid 1822 */ 1823 val16 = rtl8xxxu_read16(priv, REG_SYS_CLKR); 1824 if (!(val16 & SYS_CLK_LOADER_ENABLE) || !(val16 & SYS_CLK_ANA8M)) { 1825 val16 |= (SYS_CLK_LOADER_ENABLE | SYS_CLK_ANA8M); 1826 rtl8xxxu_write16(priv, REG_SYS_CLKR, val16); 1827 } 1828 1829 /* Default value is 0xff */ 1830 memset(priv->efuse_wifi.raw, 0xff, EFUSE_MAP_LEN); 1831 1832 efuse_addr = 0; 1833 while (efuse_addr < EFUSE_REAL_CONTENT_LEN_8723A) { 1834 u16 map_addr; 1835 1836 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &header); 1837 if (ret || header == 0xff) 1838 goto exit; 1839 1840 if ((header & 0x1f) == 0x0f) { /* extended header */ 1841 offset = (header & 0xe0) >> 5; 1842 1843 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, 1844 &extheader); 1845 if (ret) 1846 goto exit; 1847 /* All words disabled */ 1848 if ((extheader & 0x0f) == 0x0f) 1849 continue; 1850 1851 offset |= ((extheader & 0xf0) >> 1); 1852 word_mask = extheader & 0x0f; 1853 } else { 1854 offset = (header >> 4) & 0x0f; 1855 word_mask = header & 0x0f; 1856 } 1857 1858 /* Get word enable value from PG header */ 1859 1860 /* We have 8 bits to indicate validity */ 1861 map_addr = offset * 8; 1862 for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) { 1863 /* Check word enable condition in the section */ 1864 if (word_mask & BIT(i)) { 1865 map_addr += 2; 1866 continue; 1867 } 1868 1869 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &val8); 1870 if (ret) 1871 goto exit; 1872 if (map_addr >= EFUSE_MAP_LEN - 1) { 1873 dev_warn(dev, "%s: Illegal map_addr (%04x), " 1874 "efuse corrupt!\n", 1875 __func__, map_addr); 1876 ret = -EINVAL; 1877 goto exit; 1878 } 1879 priv->efuse_wifi.raw[map_addr++] = val8; 1880 1881 ret = rtl8xxxu_read_efuse8(priv, efuse_addr++, &val8); 1882 if (ret) 1883 goto exit; 1884 priv->efuse_wifi.raw[map_addr++] = val8; 1885 } 1886 } 1887 1888 exit: 1889 rtl8xxxu_write8(priv, REG_EFUSE_ACCESS, EFUSE_ACCESS_DISABLE); 1890 1891 return ret; 1892 } 1893 1894 static void rtl8xxxu_dump_efuse(struct rtl8xxxu_priv *priv) 1895 { 1896 dev_info(&priv->udev->dev, 1897 "Dumping efuse for RTL%s (0x%02x bytes):\n", 1898 priv->chip_name, EFUSE_MAP_LEN); 1899 1900 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, 1901 priv->efuse_wifi.raw, EFUSE_MAP_LEN, true); 1902 } 1903 1904 void rtl8xxxu_reset_8051(struct rtl8xxxu_priv *priv) 1905 { 1906 u8 val8; 1907 u16 sys_func; 1908 1909 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 1910 val8 &= ~BIT(0); 1911 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 1912 1913 sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC); 1914 sys_func &= ~SYS_FUNC_CPU_ENABLE; 1915 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); 1916 1917 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 1918 val8 |= BIT(0); 1919 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 1920 1921 sys_func |= SYS_FUNC_CPU_ENABLE; 1922 rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func); 1923 } 1924 1925 static int rtl8xxxu_start_firmware(struct rtl8xxxu_priv *priv) 1926 { 1927 struct device *dev = &priv->udev->dev; 1928 u16 reg_mcu_fw_dl; 1929 int ret = 0, i; 1930 u32 val32; 1931 1932 if (priv->rtl_chip == RTL8710B) 1933 reg_mcu_fw_dl = REG_8051FW_CTRL_V1_8710B; 1934 else 1935 reg_mcu_fw_dl = REG_MCU_FW_DL; 1936 1937 /* Poll checksum report */ 1938 for (i = 0; i < RTL8XXXU_FIRMWARE_POLL_MAX; i++) { 1939 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl); 1940 if (val32 & MCU_FW_DL_CSUM_REPORT) 1941 break; 1942 } 1943 1944 if (i == RTL8XXXU_FIRMWARE_POLL_MAX) { 1945 dev_warn(dev, "Firmware checksum poll timed out\n"); 1946 ret = -EAGAIN; 1947 goto exit; 1948 } 1949 1950 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl); 1951 val32 |= MCU_FW_DL_READY; 1952 val32 &= ~MCU_WINT_INIT_READY; 1953 rtl8xxxu_write32(priv, reg_mcu_fw_dl, val32); 1954 1955 /* 1956 * Reset the 8051 in order for the firmware to start running, 1957 * otherwise it won't come up on the 8192eu 1958 */ 1959 priv->fops->reset_8051(priv); 1960 1961 /* Wait for firmware to become ready */ 1962 for (i = 0; i < RTL8XXXU_FIRMWARE_POLL_MAX; i++) { 1963 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl); 1964 if (val32 & MCU_WINT_INIT_READY) 1965 break; 1966 1967 udelay(100); 1968 } 1969 1970 if (i == RTL8XXXU_FIRMWARE_POLL_MAX) { 1971 dev_warn(dev, "Firmware failed to start\n"); 1972 ret = -EAGAIN; 1973 goto exit; 1974 } 1975 1976 /* 1977 * Init H2C command 1978 */ 1979 if (priv->fops->init_reg_hmtfr) 1980 rtl8xxxu_write8(priv, REG_HMTFR, 0x0f); 1981 exit: 1982 return ret; 1983 } 1984 1985 static int rtl8xxxu_download_firmware(struct rtl8xxxu_priv *priv) 1986 { 1987 int pages, remainder, i, ret; 1988 u16 reg_fw_start_address; 1989 u16 reg_mcu_fw_dl; 1990 u8 val8; 1991 u16 val16; 1992 u32 val32; 1993 u8 *fwptr; 1994 1995 if (priv->rtl_chip == RTL8192F) 1996 reg_fw_start_address = REG_FW_START_ADDRESS_8192F; 1997 else 1998 reg_fw_start_address = REG_FW_START_ADDRESS; 1999 2000 if (priv->rtl_chip == RTL8710B) { 2001 reg_mcu_fw_dl = REG_8051FW_CTRL_V1_8710B; 2002 } else { 2003 reg_mcu_fw_dl = REG_MCU_FW_DL; 2004 2005 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC + 1); 2006 val8 |= 4; 2007 rtl8xxxu_write8(priv, REG_SYS_FUNC + 1, val8); 2008 2009 /* 8051 enable */ 2010 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 2011 val16 |= SYS_FUNC_CPU_ENABLE; 2012 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 2013 } 2014 2015 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl); 2016 if (val8 & MCU_FW_RAM_SEL) { 2017 dev_info(&priv->udev->dev, 2018 "Firmware is already running, resetting the MCU.\n"); 2019 rtl8xxxu_write8(priv, reg_mcu_fw_dl, 0x00); 2020 priv->fops->reset_8051(priv); 2021 } 2022 2023 /* MCU firmware download enable */ 2024 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl); 2025 val8 |= MCU_FW_DL_ENABLE; 2026 rtl8xxxu_write8(priv, reg_mcu_fw_dl, val8); 2027 2028 /* 8051 reset */ 2029 val32 = rtl8xxxu_read32(priv, reg_mcu_fw_dl); 2030 val32 &= ~BIT(19); 2031 rtl8xxxu_write32(priv, reg_mcu_fw_dl, val32); 2032 2033 if (priv->rtl_chip == RTL8710B) { 2034 /* We must set 0x8090[8]=1 before download FW. */ 2035 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl + 1); 2036 val8 |= BIT(0); 2037 rtl8xxxu_write8(priv, reg_mcu_fw_dl + 1, val8); 2038 } 2039 2040 /* Reset firmware download checksum */ 2041 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl); 2042 val8 |= MCU_FW_DL_CSUM_REPORT; 2043 rtl8xxxu_write8(priv, reg_mcu_fw_dl, val8); 2044 2045 pages = priv->fw_size / RTL_FW_PAGE_SIZE; 2046 remainder = priv->fw_size % RTL_FW_PAGE_SIZE; 2047 2048 fwptr = priv->fw_data->data; 2049 2050 for (i = 0; i < pages; i++) { 2051 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl + 2) & 0xF8; 2052 val8 |= i; 2053 rtl8xxxu_write8(priv, reg_mcu_fw_dl + 2, val8); 2054 2055 ret = rtl8xxxu_writeN(priv, reg_fw_start_address, 2056 fwptr, RTL_FW_PAGE_SIZE); 2057 if (ret != RTL_FW_PAGE_SIZE) { 2058 ret = -EAGAIN; 2059 goto fw_abort; 2060 } 2061 2062 fwptr += RTL_FW_PAGE_SIZE; 2063 } 2064 2065 if (remainder) { 2066 val8 = rtl8xxxu_read8(priv, reg_mcu_fw_dl + 2) & 0xF8; 2067 val8 |= i; 2068 rtl8xxxu_write8(priv, reg_mcu_fw_dl + 2, val8); 2069 ret = rtl8xxxu_writeN(priv, reg_fw_start_address, 2070 fwptr, remainder); 2071 if (ret != remainder) { 2072 ret = -EAGAIN; 2073 goto fw_abort; 2074 } 2075 } 2076 2077 ret = 0; 2078 fw_abort: 2079 /* MCU firmware download disable */ 2080 val16 = rtl8xxxu_read16(priv, reg_mcu_fw_dl); 2081 val16 &= ~MCU_FW_DL_ENABLE; 2082 rtl8xxxu_write16(priv, reg_mcu_fw_dl, val16); 2083 2084 return ret; 2085 } 2086 2087 int rtl8xxxu_load_firmware(struct rtl8xxxu_priv *priv, const char *fw_name) 2088 { 2089 struct device *dev = &priv->udev->dev; 2090 const struct firmware *fw; 2091 int ret = 0; 2092 u16 signature; 2093 2094 dev_info(dev, "%s: Loading firmware %s\n", DRIVER_NAME, fw_name); 2095 if (request_firmware(&fw, fw_name, &priv->udev->dev)) { 2096 dev_warn(dev, "request_firmware(%s) failed\n", fw_name); 2097 ret = -EAGAIN; 2098 goto exit; 2099 } 2100 if (!fw) { 2101 dev_warn(dev, "Firmware data not available\n"); 2102 ret = -EINVAL; 2103 goto exit; 2104 } 2105 2106 priv->fw_data = kmemdup(fw->data, fw->size, GFP_KERNEL); 2107 if (!priv->fw_data) { 2108 ret = -ENOMEM; 2109 goto exit; 2110 } 2111 priv->fw_size = fw->size - sizeof(struct rtl8xxxu_firmware_header); 2112 2113 signature = le16_to_cpu(priv->fw_data->signature); 2114 switch (signature & 0xfff0) { 2115 case 0x92e0: 2116 case 0x92c0: 2117 case 0x88e0: 2118 case 0x88c0: 2119 case 0x5300: 2120 case 0x2300: 2121 case 0x88f0: 2122 case 0x10b0: 2123 case 0x92f0: 2124 break; 2125 default: 2126 ret = -EINVAL; 2127 dev_warn(dev, "%s: Invalid firmware signature: 0x%04x\n", 2128 __func__, signature); 2129 } 2130 2131 dev_info(dev, "Firmware revision %i.%i (signature 0x%04x)\n", 2132 le16_to_cpu(priv->fw_data->major_version), 2133 priv->fw_data->minor_version, signature); 2134 2135 exit: 2136 release_firmware(fw); 2137 return ret; 2138 } 2139 2140 void rtl8xxxu_firmware_self_reset(struct rtl8xxxu_priv *priv) 2141 { 2142 u16 val16; 2143 int i = 100; 2144 2145 /* Inform 8051 to perform reset */ 2146 rtl8xxxu_write8(priv, REG_HMTFR + 3, 0x20); 2147 2148 for (i = 100; i > 0; i--) { 2149 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 2150 2151 if (!(val16 & SYS_FUNC_CPU_ENABLE)) { 2152 dev_dbg(&priv->udev->dev, 2153 "%s: Firmware self reset success!\n", __func__); 2154 break; 2155 } 2156 udelay(50); 2157 } 2158 2159 if (!i) { 2160 /* Force firmware reset */ 2161 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 2162 val16 &= ~SYS_FUNC_CPU_ENABLE; 2163 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 2164 } 2165 } 2166 2167 static int 2168 rtl8xxxu_init_mac(struct rtl8xxxu_priv *priv) 2169 { 2170 const struct rtl8xxxu_reg8val *array = priv->fops->mactable; 2171 int i, ret; 2172 u16 reg; 2173 u8 val; 2174 2175 for (i = 0; ; i++) { 2176 reg = array[i].reg; 2177 val = array[i].val; 2178 2179 if (reg == 0xffff && val == 0xff) 2180 break; 2181 2182 ret = rtl8xxxu_write8(priv, reg, val); 2183 if (ret != 1) { 2184 dev_warn(&priv->udev->dev, 2185 "Failed to initialize MAC " 2186 "(reg: %04x, val %02x)\n", reg, val); 2187 return -EAGAIN; 2188 } 2189 } 2190 2191 switch (priv->rtl_chip) { 2192 case RTL8188C: 2193 case RTL8188R: 2194 case RTL8191C: 2195 case RTL8192C: 2196 case RTL8723A: 2197 rtl8xxxu_write8(priv, REG_MAX_AGGR_NUM, 0x0a); 2198 break; 2199 case RTL8188E: 2200 rtl8xxxu_write16(priv, REG_MAX_AGGR_NUM, 0x0707); 2201 break; 2202 default: 2203 break; 2204 } 2205 2206 return 0; 2207 } 2208 2209 int rtl8xxxu_init_phy_regs(struct rtl8xxxu_priv *priv, 2210 const struct rtl8xxxu_reg32val *array) 2211 { 2212 int i, ret; 2213 u16 reg; 2214 u32 val; 2215 2216 for (i = 0; ; i++) { 2217 reg = array[i].reg; 2218 val = array[i].val; 2219 2220 if (reg == 0xffff && val == 0xffffffff) 2221 break; 2222 2223 ret = rtl8xxxu_write32(priv, reg, val); 2224 if (ret != sizeof(val)) { 2225 dev_warn(&priv->udev->dev, 2226 "Failed to initialize PHY\n"); 2227 return -EAGAIN; 2228 } 2229 udelay(1); 2230 } 2231 2232 return 0; 2233 } 2234 2235 void rtl8xxxu_gen1_init_phy_bb(struct rtl8xxxu_priv *priv) 2236 { 2237 u8 val8, ldoa15, ldov12d, lpldo, ldohci12; 2238 u16 val16; 2239 u32 val32; 2240 2241 val8 = rtl8xxxu_read8(priv, REG_AFE_PLL_CTRL); 2242 udelay(2); 2243 val8 |= AFE_PLL_320_ENABLE; 2244 rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL, val8); 2245 udelay(2); 2246 2247 rtl8xxxu_write8(priv, REG_AFE_PLL_CTRL + 1, 0xff); 2248 udelay(2); 2249 2250 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 2251 val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB; 2252 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 2253 2254 val32 = rtl8xxxu_read32(priv, REG_AFE_XTAL_CTRL); 2255 val32 &= ~AFE_XTAL_RF_GATE; 2256 if (priv->has_bluetooth) 2257 val32 &= ~AFE_XTAL_BT_GATE; 2258 rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, val32); 2259 2260 /* 6. 0x1f[7:0] = 0x07 */ 2261 val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB; 2262 rtl8xxxu_write8(priv, REG_RF_CTRL, val8); 2263 2264 if (priv->hi_pa) 2265 rtl8xxxu_init_phy_regs(priv, rtl8188ru_phy_1t_highpa_table); 2266 else if (priv->tx_paths == 2) 2267 rtl8xxxu_init_phy_regs(priv, rtl8192cu_phy_2t_init_table); 2268 else 2269 rtl8xxxu_init_phy_regs(priv, rtl8723a_phy_1t_init_table); 2270 2271 if (priv->rtl_chip == RTL8188R && priv->hi_pa && 2272 priv->vendor_umc && priv->chip_cut == 1) 2273 rtl8xxxu_write8(priv, REG_OFDM0_AGC_PARM1 + 2, 0x50); 2274 2275 if (priv->hi_pa) 2276 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_highpa_table); 2277 else 2278 rtl8xxxu_init_phy_regs(priv, rtl8xxx_agc_standard_table); 2279 2280 ldoa15 = LDOA15_ENABLE | LDOA15_OBUF; 2281 ldov12d = LDOV12D_ENABLE | BIT(2) | (2 << LDOV12D_VADJ_SHIFT); 2282 ldohci12 = 0x57; 2283 lpldo = 1; 2284 val32 = (lpldo << 24) | (ldohci12 << 16) | (ldov12d << 8) | ldoa15; 2285 rtl8xxxu_write32(priv, REG_LDOA15_CTRL, val32); 2286 } 2287 2288 /* 2289 * Most of this is black magic retrieved from the old rtl8723au driver 2290 */ 2291 static int rtl8xxxu_init_phy_bb(struct rtl8xxxu_priv *priv) 2292 { 2293 u32 val32; 2294 2295 priv->fops->init_phy_bb(priv); 2296 2297 if (priv->tx_paths == 1 && priv->rx_paths == 2) { 2298 /* 2299 * For 1T2R boards, patch the registers. 2300 * 2301 * It looks like 8191/2 1T2R boards use path B for TX 2302 */ 2303 val32 = rtl8xxxu_read32(priv, REG_FPGA0_TX_INFO); 2304 val32 &= ~(BIT(0) | BIT(1)); 2305 val32 |= BIT(1); 2306 rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, val32); 2307 2308 val32 = rtl8xxxu_read32(priv, REG_FPGA1_TX_INFO); 2309 val32 &= ~0x300033; 2310 val32 |= 0x200022; 2311 rtl8xxxu_write32(priv, REG_FPGA1_TX_INFO, val32); 2312 2313 val32 = rtl8xxxu_read32(priv, REG_CCK0_AFE_SETTING); 2314 val32 &= ~CCK0_AFE_RX_MASK; 2315 val32 &= 0x00ffffff; 2316 val32 |= 0x40000000; 2317 val32 |= CCK0_AFE_RX_ANT_B; 2318 rtl8xxxu_write32(priv, REG_CCK0_AFE_SETTING, val32); 2319 2320 val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); 2321 val32 &= ~(OFDM_RF_PATH_RX_MASK | OFDM_RF_PATH_TX_MASK); 2322 val32 |= (OFDM_RF_PATH_RX_A | OFDM_RF_PATH_RX_B | 2323 OFDM_RF_PATH_TX_B); 2324 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); 2325 2326 val32 = rtl8xxxu_read32(priv, REG_OFDM0_AGC_PARM1); 2327 val32 &= ~(BIT(4) | BIT(5)); 2328 val32 |= BIT(4); 2329 rtl8xxxu_write32(priv, REG_OFDM0_AGC_PARM1, val32); 2330 2331 val32 = rtl8xxxu_read32(priv, REG_TX_CCK_RFON); 2332 val32 &= ~(BIT(27) | BIT(26)); 2333 val32 |= BIT(27); 2334 rtl8xxxu_write32(priv, REG_TX_CCK_RFON, val32); 2335 2336 val32 = rtl8xxxu_read32(priv, REG_TX_CCK_BBON); 2337 val32 &= ~(BIT(27) | BIT(26)); 2338 val32 |= BIT(27); 2339 rtl8xxxu_write32(priv, REG_TX_CCK_BBON, val32); 2340 2341 val32 = rtl8xxxu_read32(priv, REG_TX_OFDM_RFON); 2342 val32 &= ~(BIT(27) | BIT(26)); 2343 val32 |= BIT(27); 2344 rtl8xxxu_write32(priv, REG_TX_OFDM_RFON, val32); 2345 2346 val32 = rtl8xxxu_read32(priv, REG_TX_OFDM_BBON); 2347 val32 &= ~(BIT(27) | BIT(26)); 2348 val32 |= BIT(27); 2349 rtl8xxxu_write32(priv, REG_TX_OFDM_BBON, val32); 2350 2351 val32 = rtl8xxxu_read32(priv, REG_TX_TO_TX); 2352 val32 &= ~(BIT(27) | BIT(26)); 2353 val32 |= BIT(27); 2354 rtl8xxxu_write32(priv, REG_TX_TO_TX, val32); 2355 } 2356 2357 if (priv->fops->set_crystal_cap) 2358 priv->fops->set_crystal_cap(priv, priv->default_crystal_cap); 2359 2360 if (priv->rtl_chip == RTL8192E) 2361 rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, 0x000f81fb); 2362 2363 return 0; 2364 } 2365 2366 static int rtl8xxxu_init_rf_regs(struct rtl8xxxu_priv *priv, 2367 const struct rtl8xxxu_rfregval *array, 2368 enum rtl8xxxu_rfpath path) 2369 { 2370 int i, ret; 2371 u8 reg; 2372 u32 val; 2373 2374 for (i = 0; ; i++) { 2375 reg = array[i].reg; 2376 val = array[i].val; 2377 2378 if (reg == 0xff && val == 0xffffffff) 2379 break; 2380 2381 switch (reg) { 2382 case 0xfe: 2383 msleep(50); 2384 continue; 2385 case 0xfd: 2386 mdelay(5); 2387 continue; 2388 case 0xfc: 2389 mdelay(1); 2390 continue; 2391 case 0xfb: 2392 udelay(50); 2393 continue; 2394 case 0xfa: 2395 udelay(5); 2396 continue; 2397 case 0xf9: 2398 udelay(1); 2399 continue; 2400 } 2401 2402 ret = rtl8xxxu_write_rfreg(priv, path, reg, val); 2403 if (ret) { 2404 dev_warn(&priv->udev->dev, 2405 "Failed to initialize RF\n"); 2406 return -EAGAIN; 2407 } 2408 udelay(1); 2409 } 2410 2411 return 0; 2412 } 2413 2414 int rtl8xxxu_init_phy_rf(struct rtl8xxxu_priv *priv, 2415 const struct rtl8xxxu_rfregval *table, 2416 enum rtl8xxxu_rfpath path) 2417 { 2418 u32 val32; 2419 u16 val16, rfsi_rfenv; 2420 u16 reg_sw_ctrl, reg_int_oe, reg_hssi_parm2; 2421 2422 switch (path) { 2423 case RF_A: 2424 reg_sw_ctrl = REG_FPGA0_XA_RF_SW_CTRL; 2425 reg_int_oe = REG_FPGA0_XA_RF_INT_OE; 2426 reg_hssi_parm2 = REG_FPGA0_XA_HSSI_PARM2; 2427 break; 2428 case RF_B: 2429 reg_sw_ctrl = REG_FPGA0_XB_RF_SW_CTRL; 2430 reg_int_oe = REG_FPGA0_XB_RF_INT_OE; 2431 reg_hssi_parm2 = REG_FPGA0_XB_HSSI_PARM2; 2432 break; 2433 default: 2434 dev_err(&priv->udev->dev, "%s:Unsupported RF path %c\n", 2435 __func__, path + 'A'); 2436 return -EINVAL; 2437 } 2438 /* For path B, use XB */ 2439 rfsi_rfenv = rtl8xxxu_read16(priv, reg_sw_ctrl); 2440 rfsi_rfenv &= FPGA0_RF_RFENV; 2441 2442 /* 2443 * These two we might be able to optimize into one 2444 */ 2445 val32 = rtl8xxxu_read32(priv, reg_int_oe); 2446 val32 |= BIT(20); /* 0x10 << 16 */ 2447 rtl8xxxu_write32(priv, reg_int_oe, val32); 2448 udelay(1); 2449 2450 val32 = rtl8xxxu_read32(priv, reg_int_oe); 2451 val32 |= BIT(4); 2452 rtl8xxxu_write32(priv, reg_int_oe, val32); 2453 udelay(1); 2454 2455 /* 2456 * These two we might be able to optimize into one 2457 */ 2458 val32 = rtl8xxxu_read32(priv, reg_hssi_parm2); 2459 val32 &= ~FPGA0_HSSI_3WIRE_ADDR_LEN; 2460 rtl8xxxu_write32(priv, reg_hssi_parm2, val32); 2461 udelay(1); 2462 2463 val32 = rtl8xxxu_read32(priv, reg_hssi_parm2); 2464 val32 &= ~FPGA0_HSSI_3WIRE_DATA_LEN; 2465 rtl8xxxu_write32(priv, reg_hssi_parm2, val32); 2466 udelay(1); 2467 2468 rtl8xxxu_init_rf_regs(priv, table, path); 2469 2470 /* For path B, use XB */ 2471 val16 = rtl8xxxu_read16(priv, reg_sw_ctrl); 2472 val16 &= ~FPGA0_RF_RFENV; 2473 val16 |= rfsi_rfenv; 2474 rtl8xxxu_write16(priv, reg_sw_ctrl, val16); 2475 2476 return 0; 2477 } 2478 2479 static int rtl8xxxu_llt_write(struct rtl8xxxu_priv *priv, u8 address, u8 data) 2480 { 2481 int ret = -EBUSY; 2482 int count = 0; 2483 u32 value; 2484 2485 value = LLT_OP_WRITE | address << 8 | data; 2486 2487 rtl8xxxu_write32(priv, REG_LLT_INIT, value); 2488 2489 do { 2490 value = rtl8xxxu_read32(priv, REG_LLT_INIT); 2491 if ((value & LLT_OP_MASK) == LLT_OP_INACTIVE) { 2492 ret = 0; 2493 break; 2494 } 2495 } while (count++ < 20); 2496 2497 return ret; 2498 } 2499 2500 int rtl8xxxu_init_llt_table(struct rtl8xxxu_priv *priv) 2501 { 2502 int ret; 2503 int i, last_entry; 2504 u8 last_tx_page; 2505 2506 last_tx_page = priv->fops->total_page_num; 2507 2508 if (priv->fops->last_llt_entry) 2509 last_entry = priv->fops->last_llt_entry; 2510 else 2511 last_entry = 255; 2512 2513 for (i = 0; i < last_tx_page; i++) { 2514 ret = rtl8xxxu_llt_write(priv, i, i + 1); 2515 if (ret) 2516 goto exit; 2517 } 2518 2519 ret = rtl8xxxu_llt_write(priv, last_tx_page, 0xff); 2520 if (ret) 2521 goto exit; 2522 2523 /* Mark remaining pages as a ring buffer */ 2524 for (i = last_tx_page + 1; i < last_entry; i++) { 2525 ret = rtl8xxxu_llt_write(priv, i, (i + 1)); 2526 if (ret) 2527 goto exit; 2528 } 2529 2530 /* Let last entry point to the start entry of ring buffer */ 2531 ret = rtl8xxxu_llt_write(priv, last_entry, last_tx_page + 1); 2532 if (ret) 2533 goto exit; 2534 2535 exit: 2536 return ret; 2537 } 2538 2539 int rtl8xxxu_auto_llt_table(struct rtl8xxxu_priv *priv) 2540 { 2541 u32 val32; 2542 int ret = 0; 2543 int i; 2544 2545 val32 = rtl8xxxu_read32(priv, REG_AUTO_LLT); 2546 val32 |= AUTO_LLT_INIT_LLT; 2547 rtl8xxxu_write32(priv, REG_AUTO_LLT, val32); 2548 2549 for (i = 500; i; i--) { 2550 val32 = rtl8xxxu_read32(priv, REG_AUTO_LLT); 2551 if (!(val32 & AUTO_LLT_INIT_LLT)) 2552 break; 2553 usleep_range(2, 4); 2554 } 2555 2556 if (!i) { 2557 ret = -EBUSY; 2558 dev_warn(&priv->udev->dev, "LLT table init failed\n"); 2559 } 2560 2561 return ret; 2562 } 2563 2564 static int rtl8xxxu_init_queue_priority(struct rtl8xxxu_priv *priv) 2565 { 2566 u16 val16, hi, lo; 2567 u16 hiq, mgq, bkq, beq, viq, voq; 2568 int hip, mgp, bkp, bep, vip, vop; 2569 int ret = 0; 2570 u32 val32; 2571 2572 switch (priv->ep_tx_count) { 2573 case 1: 2574 if (priv->ep_tx_high_queue) { 2575 hi = TRXDMA_QUEUE_HIGH; 2576 } else if (priv->ep_tx_low_queue) { 2577 hi = TRXDMA_QUEUE_LOW; 2578 } else if (priv->ep_tx_normal_queue) { 2579 hi = TRXDMA_QUEUE_NORMAL; 2580 } else { 2581 hi = 0; 2582 ret = -EINVAL; 2583 } 2584 2585 hiq = hi; 2586 mgq = hi; 2587 bkq = hi; 2588 beq = hi; 2589 viq = hi; 2590 voq = hi; 2591 2592 hip = 0; 2593 mgp = 0; 2594 bkp = 0; 2595 bep = 0; 2596 vip = 0; 2597 vop = 0; 2598 break; 2599 case 2: 2600 if (priv->ep_tx_high_queue && priv->ep_tx_low_queue) { 2601 hi = TRXDMA_QUEUE_HIGH; 2602 lo = TRXDMA_QUEUE_LOW; 2603 } else if (priv->ep_tx_normal_queue && priv->ep_tx_low_queue) { 2604 hi = TRXDMA_QUEUE_NORMAL; 2605 lo = TRXDMA_QUEUE_LOW; 2606 } else if (priv->ep_tx_high_queue && priv->ep_tx_normal_queue) { 2607 hi = TRXDMA_QUEUE_HIGH; 2608 lo = TRXDMA_QUEUE_NORMAL; 2609 } else { 2610 ret = -EINVAL; 2611 hi = 0; 2612 lo = 0; 2613 } 2614 2615 hiq = hi; 2616 mgq = hi; 2617 bkq = lo; 2618 beq = lo; 2619 viq = hi; 2620 voq = hi; 2621 2622 hip = 0; 2623 mgp = 0; 2624 bkp = 1; 2625 bep = 1; 2626 vip = 0; 2627 vop = 0; 2628 break; 2629 case 3: 2630 beq = TRXDMA_QUEUE_LOW; 2631 bkq = TRXDMA_QUEUE_LOW; 2632 viq = TRXDMA_QUEUE_NORMAL; 2633 voq = TRXDMA_QUEUE_HIGH; 2634 mgq = TRXDMA_QUEUE_HIGH; 2635 hiq = TRXDMA_QUEUE_HIGH; 2636 2637 hip = hiq ^ 3; 2638 mgp = mgq ^ 3; 2639 bkp = bkq ^ 3; 2640 bep = beq ^ 3; 2641 vip = viq ^ 3; 2642 vop = viq ^ 3; 2643 break; 2644 default: 2645 ret = -EINVAL; 2646 } 2647 2648 /* 2649 * None of the vendor drivers are configuring the beacon 2650 * queue here .... why? 2651 */ 2652 if (!ret) { 2653 /* Only RTL8192F seems to do it like this. */ 2654 if (priv->rtl_chip == RTL8192F) { 2655 val32 = rtl8xxxu_read32(priv, REG_TRXDMA_CTRL); 2656 val32 &= 0x7; 2657 val32 |= (voq << TRXDMA_CTRL_VOQ_SHIFT_8192F) | 2658 (viq << TRXDMA_CTRL_VIQ_SHIFT_8192F) | 2659 (beq << TRXDMA_CTRL_BEQ_SHIFT_8192F) | 2660 (bkq << TRXDMA_CTRL_BKQ_SHIFT_8192F) | 2661 (mgq << TRXDMA_CTRL_MGQ_SHIFT_8192F) | 2662 (hiq << TRXDMA_CTRL_HIQ_SHIFT_8192F); 2663 rtl8xxxu_write32(priv, REG_TRXDMA_CTRL, val32); 2664 } else { 2665 val16 = rtl8xxxu_read16(priv, REG_TRXDMA_CTRL); 2666 val16 &= 0x7; 2667 val16 |= (voq << TRXDMA_CTRL_VOQ_SHIFT) | 2668 (viq << TRXDMA_CTRL_VIQ_SHIFT) | 2669 (beq << TRXDMA_CTRL_BEQ_SHIFT) | 2670 (bkq << TRXDMA_CTRL_BKQ_SHIFT) | 2671 (mgq << TRXDMA_CTRL_MGQ_SHIFT) | 2672 (hiq << TRXDMA_CTRL_HIQ_SHIFT); 2673 rtl8xxxu_write16(priv, REG_TRXDMA_CTRL, val16); 2674 } 2675 2676 priv->pipe_out[TXDESC_QUEUE_VO] = 2677 usb_sndbulkpipe(priv->udev, priv->out_ep[vop]); 2678 priv->pipe_out[TXDESC_QUEUE_VI] = 2679 usb_sndbulkpipe(priv->udev, priv->out_ep[vip]); 2680 priv->pipe_out[TXDESC_QUEUE_BE] = 2681 usb_sndbulkpipe(priv->udev, priv->out_ep[bep]); 2682 priv->pipe_out[TXDESC_QUEUE_BK] = 2683 usb_sndbulkpipe(priv->udev, priv->out_ep[bkp]); 2684 priv->pipe_out[TXDESC_QUEUE_BEACON] = 2685 usb_sndbulkpipe(priv->udev, priv->out_ep[0]); 2686 priv->pipe_out[TXDESC_QUEUE_MGNT] = 2687 usb_sndbulkpipe(priv->udev, priv->out_ep[mgp]); 2688 priv->pipe_out[TXDESC_QUEUE_HIGH] = 2689 usb_sndbulkpipe(priv->udev, priv->out_ep[hip]); 2690 priv->pipe_out[TXDESC_QUEUE_CMD] = 2691 usb_sndbulkpipe(priv->udev, priv->out_ep[0]); 2692 } 2693 2694 return ret; 2695 } 2696 2697 void rtl8xxxu_fill_iqk_matrix_a(struct rtl8xxxu_priv *priv, bool iqk_ok, 2698 int result[][8], int candidate, bool tx_only) 2699 { 2700 u32 oldval, x, tx0_a, reg; 2701 int y, tx0_c; 2702 u32 val32; 2703 2704 if (!iqk_ok) 2705 return; 2706 2707 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE); 2708 oldval = val32 >> 22; 2709 2710 x = result[candidate][0]; 2711 if ((x & 0x00000200) != 0) 2712 x = x | 0xfffffc00; 2713 tx0_a = (x * oldval) >> 8; 2714 2715 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE); 2716 val32 &= ~0x3ff; 2717 val32 |= tx0_a; 2718 rtl8xxxu_write32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE, val32); 2719 2720 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); 2721 val32 &= ~BIT(31); 2722 if ((x * oldval >> 7) & 0x1) 2723 val32 |= BIT(31); 2724 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); 2725 2726 y = result[candidate][1]; 2727 if ((y & 0x00000200) != 0) 2728 y = y | 0xfffffc00; 2729 tx0_c = (y * oldval) >> 8; 2730 2731 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XC_TX_AFE); 2732 val32 &= ~0xf0000000; 2733 val32 |= (((tx0_c & 0x3c0) >> 6) << 28); 2734 rtl8xxxu_write32(priv, REG_OFDM0_XC_TX_AFE, val32); 2735 2736 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE); 2737 val32 &= ~0x003f0000; 2738 val32 |= ((tx0_c & 0x3f) << 16); 2739 rtl8xxxu_write32(priv, REG_OFDM0_XA_TX_IQ_IMBALANCE, val32); 2740 2741 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); 2742 val32 &= ~BIT(29); 2743 if ((y * oldval >> 7) & 0x1) 2744 val32 |= BIT(29); 2745 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); 2746 2747 if (tx_only) { 2748 dev_dbg(&priv->udev->dev, "%s: only TX\n", __func__); 2749 return; 2750 } 2751 2752 reg = result[candidate][2]; 2753 2754 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE); 2755 val32 &= ~0x3ff; 2756 val32 |= (reg & 0x3ff); 2757 rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE, val32); 2758 2759 reg = result[candidate][3] & 0x3F; 2760 2761 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE); 2762 val32 &= ~0xfc00; 2763 val32 |= ((reg << 10) & 0xfc00); 2764 rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_IQ_IMBALANCE, val32); 2765 2766 reg = (result[candidate][3] >> 6) & 0xF; 2767 2768 val32 = rtl8xxxu_read32(priv, REG_OFDM0_RX_IQ_EXT_ANTA); 2769 val32 &= ~0xf0000000; 2770 val32 |= (reg << 28); 2771 rtl8xxxu_write32(priv, REG_OFDM0_RX_IQ_EXT_ANTA, val32); 2772 } 2773 2774 void rtl8xxxu_fill_iqk_matrix_b(struct rtl8xxxu_priv *priv, bool iqk_ok, 2775 int result[][8], int candidate, bool tx_only) 2776 { 2777 u32 oldval, x, tx1_a, reg; 2778 int y, tx1_c; 2779 u32 val32; 2780 2781 if (!iqk_ok) 2782 return; 2783 2784 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE); 2785 oldval = val32 >> 22; 2786 2787 x = result[candidate][4]; 2788 if ((x & 0x00000200) != 0) 2789 x = x | 0xfffffc00; 2790 tx1_a = (x * oldval) >> 8; 2791 2792 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE); 2793 val32 &= ~0x3ff; 2794 val32 |= tx1_a; 2795 rtl8xxxu_write32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE, val32); 2796 2797 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); 2798 val32 &= ~BIT(27); 2799 if ((x * oldval >> 7) & 0x1) 2800 val32 |= BIT(27); 2801 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); 2802 2803 y = result[candidate][5]; 2804 if ((y & 0x00000200) != 0) 2805 y = y | 0xfffffc00; 2806 tx1_c = (y * oldval) >> 8; 2807 2808 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XD_TX_AFE); 2809 val32 &= ~0xf0000000; 2810 val32 |= (((tx1_c & 0x3c0) >> 6) << 28); 2811 rtl8xxxu_write32(priv, REG_OFDM0_XD_TX_AFE, val32); 2812 2813 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE); 2814 val32 &= ~0x003f0000; 2815 val32 |= ((tx1_c & 0x3f) << 16); 2816 rtl8xxxu_write32(priv, REG_OFDM0_XB_TX_IQ_IMBALANCE, val32); 2817 2818 val32 = rtl8xxxu_read32(priv, REG_OFDM0_ENERGY_CCA_THRES); 2819 val32 &= ~BIT(25); 2820 if ((y * oldval >> 7) & 0x1) 2821 val32 |= BIT(25); 2822 rtl8xxxu_write32(priv, REG_OFDM0_ENERGY_CCA_THRES, val32); 2823 2824 if (tx_only) { 2825 dev_dbg(&priv->udev->dev, "%s: only TX\n", __func__); 2826 return; 2827 } 2828 2829 reg = result[candidate][6]; 2830 2831 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE); 2832 val32 &= ~0x3ff; 2833 val32 |= (reg & 0x3ff); 2834 rtl8xxxu_write32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE, val32); 2835 2836 reg = result[candidate][7] & 0x3f; 2837 2838 val32 = rtl8xxxu_read32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE); 2839 val32 &= ~0xfc00; 2840 val32 |= ((reg << 10) & 0xfc00); 2841 rtl8xxxu_write32(priv, REG_OFDM0_XB_RX_IQ_IMBALANCE, val32); 2842 2843 reg = (result[candidate][7] >> 6) & 0xf; 2844 2845 if (priv->rtl_chip == RTL8192F) { 2846 rtl8xxxu_write32_mask(priv, REG_RXIQB_EXT, 0x000000f0, reg); 2847 } else { 2848 val32 = rtl8xxxu_read32(priv, REG_OFDM0_AGC_RSSI_TABLE); 2849 val32 &= ~0x0000f000; 2850 val32 |= (reg << 12); 2851 rtl8xxxu_write32(priv, REG_OFDM0_AGC_RSSI_TABLE, val32); 2852 } 2853 } 2854 2855 #define MAX_TOLERANCE 5 2856 2857 bool rtl8xxxu_simularity_compare(struct rtl8xxxu_priv *priv, 2858 int result[][8], int c1, int c2) 2859 { 2860 u32 i, j, diff, simubitmap, bound = 0; 2861 int candidate[2] = {-1, -1}; /* for path A and path B */ 2862 bool retval = true; 2863 2864 if (priv->tx_paths > 1) 2865 bound = 8; 2866 else 2867 bound = 4; 2868 2869 simubitmap = 0; 2870 2871 for (i = 0; i < bound; i++) { 2872 diff = (result[c1][i] > result[c2][i]) ? 2873 (result[c1][i] - result[c2][i]) : 2874 (result[c2][i] - result[c1][i]); 2875 if (diff > MAX_TOLERANCE) { 2876 if ((i == 2 || i == 6) && !simubitmap) { 2877 if (result[c1][i] + result[c1][i + 1] == 0) 2878 candidate[(i / 4)] = c2; 2879 else if (result[c2][i] + result[c2][i + 1] == 0) 2880 candidate[(i / 4)] = c1; 2881 else 2882 simubitmap = simubitmap | (1 << i); 2883 } else { 2884 simubitmap = simubitmap | (1 << i); 2885 } 2886 } 2887 } 2888 2889 if (simubitmap == 0) { 2890 for (i = 0; i < (bound / 4); i++) { 2891 if (candidate[i] >= 0) { 2892 for (j = i * 4; j < (i + 1) * 4 - 2; j++) 2893 result[3][j] = result[candidate[i]][j]; 2894 retval = false; 2895 } 2896 } 2897 return retval; 2898 } else if (!(simubitmap & 0x0f)) { 2899 /* path A OK */ 2900 for (i = 0; i < 4; i++) 2901 result[3][i] = result[c1][i]; 2902 } else if (!(simubitmap & 0xf0) && priv->tx_paths > 1) { 2903 /* path B OK */ 2904 for (i = 4; i < 8; i++) 2905 result[3][i] = result[c1][i]; 2906 } 2907 2908 return false; 2909 } 2910 2911 bool rtl8xxxu_gen2_simularity_compare(struct rtl8xxxu_priv *priv, 2912 int result[][8], int c1, int c2) 2913 { 2914 u32 i, j, diff, simubitmap, bound = 0; 2915 int candidate[2] = {-1, -1}; /* for path A and path B */ 2916 int tmp1, tmp2; 2917 bool retval = true; 2918 2919 if (priv->tx_paths > 1) 2920 bound = 8; 2921 else 2922 bound = 4; 2923 2924 simubitmap = 0; 2925 2926 for (i = 0; i < bound; i++) { 2927 if (i & 1) { 2928 if ((result[c1][i] & 0x00000200)) 2929 tmp1 = result[c1][i] | 0xfffffc00; 2930 else 2931 tmp1 = result[c1][i]; 2932 2933 if ((result[c2][i]& 0x00000200)) 2934 tmp2 = result[c2][i] | 0xfffffc00; 2935 else 2936 tmp2 = result[c2][i]; 2937 } else { 2938 tmp1 = result[c1][i]; 2939 tmp2 = result[c2][i]; 2940 } 2941 2942 diff = (tmp1 > tmp2) ? (tmp1 - tmp2) : (tmp2 - tmp1); 2943 2944 if (diff > MAX_TOLERANCE) { 2945 if ((i == 2 || i == 6) && !simubitmap) { 2946 if (result[c1][i] + result[c1][i + 1] == 0) 2947 candidate[(i / 4)] = c2; 2948 else if (result[c2][i] + result[c2][i + 1] == 0) 2949 candidate[(i / 4)] = c1; 2950 else 2951 simubitmap = simubitmap | (1 << i); 2952 } else { 2953 simubitmap = simubitmap | (1 << i); 2954 } 2955 } 2956 } 2957 2958 if (simubitmap == 0) { 2959 for (i = 0; i < (bound / 4); i++) { 2960 if (candidate[i] >= 0) { 2961 for (j = i * 4; j < (i + 1) * 4 - 2; j++) 2962 result[3][j] = result[candidate[i]][j]; 2963 retval = false; 2964 } 2965 } 2966 return retval; 2967 } else { 2968 if (!(simubitmap & 0x03)) { 2969 /* path A TX OK */ 2970 for (i = 0; i < 2; i++) 2971 result[3][i] = result[c1][i]; 2972 } 2973 2974 if (!(simubitmap & 0x0c)) { 2975 /* path A RX OK */ 2976 for (i = 2; i < 4; i++) 2977 result[3][i] = result[c1][i]; 2978 } 2979 2980 if (!(simubitmap & 0x30) && priv->tx_paths > 1) { 2981 /* path B TX OK */ 2982 for (i = 4; i < 6; i++) 2983 result[3][i] = result[c1][i]; 2984 } 2985 2986 if (!(simubitmap & 0xc0) && priv->tx_paths > 1) { 2987 /* path B RX OK */ 2988 for (i = 6; i < 8; i++) 2989 result[3][i] = result[c1][i]; 2990 } 2991 } 2992 2993 return false; 2994 } 2995 2996 void 2997 rtl8xxxu_save_mac_regs(struct rtl8xxxu_priv *priv, const u32 *reg, u32 *backup) 2998 { 2999 int i; 3000 3001 for (i = 0; i < (RTL8XXXU_MAC_REGS - 1); i++) 3002 backup[i] = rtl8xxxu_read8(priv, reg[i]); 3003 3004 backup[i] = rtl8xxxu_read32(priv, reg[i]); 3005 } 3006 3007 void rtl8xxxu_restore_mac_regs(struct rtl8xxxu_priv *priv, 3008 const u32 *reg, u32 *backup) 3009 { 3010 int i; 3011 3012 for (i = 0; i < (RTL8XXXU_MAC_REGS - 1); i++) 3013 rtl8xxxu_write8(priv, reg[i], backup[i]); 3014 3015 rtl8xxxu_write32(priv, reg[i], backup[i]); 3016 } 3017 3018 void rtl8xxxu_save_regs(struct rtl8xxxu_priv *priv, const u32 *regs, 3019 u32 *backup, int count) 3020 { 3021 int i; 3022 3023 for (i = 0; i < count; i++) 3024 backup[i] = rtl8xxxu_read32(priv, regs[i]); 3025 } 3026 3027 void rtl8xxxu_restore_regs(struct rtl8xxxu_priv *priv, const u32 *regs, 3028 u32 *backup, int count) 3029 { 3030 int i; 3031 3032 for (i = 0; i < count; i++) 3033 rtl8xxxu_write32(priv, regs[i], backup[i]); 3034 } 3035 3036 3037 void rtl8xxxu_path_adda_on(struct rtl8xxxu_priv *priv, const u32 *regs, 3038 bool path_a_on) 3039 { 3040 u32 path_on; 3041 int i; 3042 3043 if (priv->tx_paths == 1) { 3044 path_on = priv->fops->adda_1t_path_on; 3045 rtl8xxxu_write32(priv, regs[0], priv->fops->adda_1t_init); 3046 } else { 3047 path_on = path_a_on ? priv->fops->adda_2t_path_on_a : 3048 priv->fops->adda_2t_path_on_b; 3049 3050 rtl8xxxu_write32(priv, regs[0], path_on); 3051 } 3052 3053 for (i = 1 ; i < RTL8XXXU_ADDA_REGS ; i++) 3054 rtl8xxxu_write32(priv, regs[i], path_on); 3055 } 3056 3057 void rtl8xxxu_mac_calibration(struct rtl8xxxu_priv *priv, 3058 const u32 *regs, u32 *backup) 3059 { 3060 int i = 0; 3061 3062 rtl8xxxu_write8(priv, regs[i], 0x3f); 3063 3064 for (i = 1 ; i < (RTL8XXXU_MAC_REGS - 1); i++) 3065 rtl8xxxu_write8(priv, regs[i], (u8)(backup[i] & ~BIT(3))); 3066 3067 rtl8xxxu_write8(priv, regs[i], (u8)(backup[i] & ~BIT(5))); 3068 } 3069 3070 static int rtl8xxxu_iqk_path_a(struct rtl8xxxu_priv *priv) 3071 { 3072 u32 reg_eac, reg_e94, reg_e9c, reg_ea4, val32; 3073 int result = 0; 3074 3075 /* path-A IQK setting */ 3076 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x10008c1f); 3077 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x10008c1f); 3078 rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82140102); 3079 3080 val32 = (priv->rf_paths > 1) ? 0x28160202 : 3081 /*IS_81xxC_VENDOR_UMC_B_CUT(pHalData->VersionID)?0x28160202: */ 3082 0x28160502; 3083 rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, val32); 3084 3085 /* path-B IQK setting */ 3086 if (priv->rf_paths > 1) { 3087 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_B, 0x10008c22); 3088 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_B, 0x10008c22); 3089 rtl8xxxu_write32(priv, REG_TX_IQK_PI_B, 0x82140102); 3090 rtl8xxxu_write32(priv, REG_RX_IQK_PI_B, 0x28160202); 3091 } 3092 3093 /* LO calibration setting */ 3094 rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x001028d1); 3095 3096 /* One shot, path A LOK & IQK */ 3097 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); 3098 rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); 3099 3100 mdelay(1); 3101 3102 /* Check failed */ 3103 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 3104 reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); 3105 reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); 3106 reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2); 3107 3108 if (!(reg_eac & BIT(28)) && 3109 ((reg_e94 & 0x03ff0000) != 0x01420000) && 3110 ((reg_e9c & 0x03ff0000) != 0x00420000)) 3111 result |= 0x01; 3112 else /* If TX not OK, ignore RX */ 3113 goto out; 3114 3115 /* If TX is OK, check whether RX is OK */ 3116 if (!(reg_eac & BIT(27)) && 3117 ((reg_ea4 & 0x03ff0000) != 0x01320000) && 3118 ((reg_eac & 0x03ff0000) != 0x00360000)) 3119 result |= 0x02; 3120 else 3121 dev_warn(&priv->udev->dev, "%s: Path A RX IQK failed!\n", 3122 __func__); 3123 out: 3124 return result; 3125 } 3126 3127 static int rtl8xxxu_iqk_path_b(struct rtl8xxxu_priv *priv) 3128 { 3129 u32 reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc; 3130 int result = 0; 3131 3132 /* One shot, path B LOK & IQK */ 3133 rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000002); 3134 rtl8xxxu_write32(priv, REG_IQK_AGC_CONT, 0x00000000); 3135 3136 mdelay(1); 3137 3138 /* Check failed */ 3139 reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); 3140 reg_eb4 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 3141 reg_ebc = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 3142 reg_ec4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2); 3143 reg_ecc = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2); 3144 3145 if (!(reg_eac & BIT(31)) && 3146 ((reg_eb4 & 0x03ff0000) != 0x01420000) && 3147 ((reg_ebc & 0x03ff0000) != 0x00420000)) 3148 result |= 0x01; 3149 else 3150 goto out; 3151 3152 if (!(reg_eac & BIT(30)) && 3153 (((reg_ec4 & 0x03ff0000) >> 16) != 0x132) && 3154 (((reg_ecc & 0x03ff0000) >> 16) != 0x36)) 3155 result |= 0x02; 3156 else 3157 dev_warn(&priv->udev->dev, "%s: Path B RX IQK failed!\n", 3158 __func__); 3159 out: 3160 return result; 3161 } 3162 3163 static void rtl8xxxu_phy_iqcalibrate(struct rtl8xxxu_priv *priv, 3164 int result[][8], int t) 3165 { 3166 struct device *dev = &priv->udev->dev; 3167 u32 i, val32; 3168 int path_a_ok, path_b_ok; 3169 int retry = 2; 3170 static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = { 3171 REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH, 3172 REG_RX_WAIT_CCA, REG_TX_CCK_RFON, 3173 REG_TX_CCK_BBON, REG_TX_OFDM_RFON, 3174 REG_TX_OFDM_BBON, REG_TX_TO_RX, 3175 REG_TX_TO_TX, REG_RX_CCK, 3176 REG_RX_OFDM, REG_RX_WAIT_RIFS, 3177 REG_RX_TO_RX, REG_STANDBY, 3178 REG_SLEEP, REG_PMPD_ANAEN 3179 }; 3180 static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = { 3181 REG_TXPAUSE, REG_BEACON_CTRL, 3182 REG_BEACON_CTRL_1, REG_GPIO_MUXCFG 3183 }; 3184 static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = { 3185 REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR, 3186 REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B, 3187 REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE, 3188 REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE 3189 }; 3190 3191 /* 3192 * Note: IQ calibration must be performed after loading 3193 * PHY_REG.txt , and radio_a, radio_b.txt 3194 */ 3195 3196 if (t == 0) { 3197 /* Save ADDA parameters, turn Path A ADDA on */ 3198 rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup, 3199 RTL8XXXU_ADDA_REGS); 3200 rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 3201 rtl8xxxu_save_regs(priv, iqk_bb_regs, 3202 priv->bb_backup, RTL8XXXU_BB_REGS); 3203 } 3204 3205 rtl8xxxu_path_adda_on(priv, adda_regs, true); 3206 3207 if (t == 0) { 3208 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM1); 3209 if (val32 & FPGA0_HSSI_PARM1_PI) 3210 priv->pi_enabled = 1; 3211 } 3212 3213 if (!priv->pi_enabled) { 3214 /* Switch BB to PI mode to do IQ Calibration. */ 3215 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, 0x01000100); 3216 rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, 0x01000100); 3217 } 3218 3219 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 3220 val32 &= ~FPGA_RF_MODE_CCK; 3221 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 3222 3223 rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600); 3224 rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4); 3225 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x22204000); 3226 3227 if (!priv->no_pape) { 3228 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XAB_RF_SW_CTRL); 3229 val32 |= (FPGA0_RF_PAPE | 3230 (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); 3231 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); 3232 } 3233 3234 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_RF_INT_OE); 3235 val32 &= ~BIT(10); 3236 rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, val32); 3237 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE); 3238 val32 &= ~BIT(10); 3239 rtl8xxxu_write32(priv, REG_FPGA0_XB_RF_INT_OE, val32); 3240 3241 if (priv->tx_paths > 1) { 3242 rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00010000); 3243 rtl8xxxu_write32(priv, REG_FPGA0_XB_LSSI_PARM, 0x00010000); 3244 } 3245 3246 /* MAC settings */ 3247 rtl8xxxu_mac_calibration(priv, iqk_mac_regs, priv->mac_backup); 3248 3249 /* Page B init */ 3250 rtl8xxxu_write32(priv, REG_CONFIG_ANT_A, 0x00080000); 3251 3252 if (priv->tx_paths > 1) 3253 rtl8xxxu_write32(priv, REG_CONFIG_ANT_B, 0x00080000); 3254 3255 /* IQ calibration setting */ 3256 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 3257 rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); 3258 rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); 3259 3260 for (i = 0; i < retry; i++) { 3261 path_a_ok = rtl8xxxu_iqk_path_a(priv); 3262 if (path_a_ok == 0x03) { 3263 val32 = rtl8xxxu_read32(priv, 3264 REG_TX_POWER_BEFORE_IQK_A); 3265 result[t][0] = (val32 >> 16) & 0x3ff; 3266 val32 = rtl8xxxu_read32(priv, 3267 REG_TX_POWER_AFTER_IQK_A); 3268 result[t][1] = (val32 >> 16) & 0x3ff; 3269 val32 = rtl8xxxu_read32(priv, 3270 REG_RX_POWER_BEFORE_IQK_A_2); 3271 result[t][2] = (val32 >> 16) & 0x3ff; 3272 val32 = rtl8xxxu_read32(priv, 3273 REG_RX_POWER_AFTER_IQK_A_2); 3274 result[t][3] = (val32 >> 16) & 0x3ff; 3275 break; 3276 } else if (i == (retry - 1) && path_a_ok == 0x01) { 3277 /* TX IQK OK */ 3278 dev_dbg(dev, "%s: Path A IQK Only Tx Success!!\n", 3279 __func__); 3280 3281 val32 = rtl8xxxu_read32(priv, 3282 REG_TX_POWER_BEFORE_IQK_A); 3283 result[t][0] = (val32 >> 16) & 0x3ff; 3284 val32 = rtl8xxxu_read32(priv, 3285 REG_TX_POWER_AFTER_IQK_A); 3286 result[t][1] = (val32 >> 16) & 0x3ff; 3287 } 3288 } 3289 3290 if (!path_a_ok) 3291 dev_dbg(dev, "%s: Path A IQK failed!\n", __func__); 3292 3293 if (priv->tx_paths > 1) { 3294 /* 3295 * Path A into standby 3296 */ 3297 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x0); 3298 rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00010000); 3299 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0x80800000); 3300 3301 /* Turn Path B ADDA on */ 3302 rtl8xxxu_path_adda_on(priv, adda_regs, false); 3303 3304 for (i = 0; i < retry; i++) { 3305 path_b_ok = rtl8xxxu_iqk_path_b(priv); 3306 if (path_b_ok == 0x03) { 3307 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 3308 result[t][4] = (val32 >> 16) & 0x3ff; 3309 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 3310 result[t][5] = (val32 >> 16) & 0x3ff; 3311 val32 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_B_2); 3312 result[t][6] = (val32 >> 16) & 0x3ff; 3313 val32 = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_B_2); 3314 result[t][7] = (val32 >> 16) & 0x3ff; 3315 break; 3316 } else if (i == (retry - 1) && path_b_ok == 0x01) { 3317 /* TX IQK OK */ 3318 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_B); 3319 result[t][4] = (val32 >> 16) & 0x3ff; 3320 val32 = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_B); 3321 result[t][5] = (val32 >> 16) & 0x3ff; 3322 } 3323 } 3324 3325 if (!path_b_ok) 3326 dev_dbg(dev, "%s: Path B IQK failed!\n", __func__); 3327 } 3328 3329 /* Back to BB mode, load original value */ 3330 rtl8xxxu_write32(priv, REG_FPGA0_IQK, 0); 3331 3332 if (t) { 3333 if (!priv->pi_enabled) { 3334 /* 3335 * Switch back BB to SI mode after finishing 3336 * IQ Calibration 3337 */ 3338 val32 = 0x01000000; 3339 rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, val32); 3340 rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, val32); 3341 } 3342 3343 /* Reload ADDA power saving parameters */ 3344 rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup, 3345 RTL8XXXU_ADDA_REGS); 3346 3347 /* Reload MAC parameters */ 3348 rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup); 3349 3350 /* Reload BB parameters */ 3351 rtl8xxxu_restore_regs(priv, iqk_bb_regs, 3352 priv->bb_backup, RTL8XXXU_BB_REGS); 3353 3354 /* Restore RX initial gain */ 3355 rtl8xxxu_write32(priv, REG_FPGA0_XA_LSSI_PARM, 0x00032ed3); 3356 3357 if (priv->tx_paths > 1) { 3358 rtl8xxxu_write32(priv, REG_FPGA0_XB_LSSI_PARM, 3359 0x00032ed3); 3360 } 3361 3362 /* Load 0xe30 IQC default value */ 3363 rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00); 3364 rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00); 3365 } 3366 } 3367 3368 void rtl8xxxu_gen2_prepare_calibrate(struct rtl8xxxu_priv *priv, u8 start) 3369 { 3370 struct h2c_cmd h2c; 3371 3372 memset(&h2c, 0, sizeof(struct h2c_cmd)); 3373 h2c.bt_wlan_calibration.cmd = H2C_8723B_BT_WLAN_CALIBRATION; 3374 h2c.bt_wlan_calibration.data = start; 3375 3376 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.bt_wlan_calibration)); 3377 } 3378 3379 void rtl8xxxu_gen1_phy_iq_calibrate(struct rtl8xxxu_priv *priv) 3380 { 3381 struct device *dev = &priv->udev->dev; 3382 int result[4][8]; /* last is final result */ 3383 int i, candidate; 3384 bool path_a_ok, path_b_ok; 3385 u32 reg_e94, reg_e9c, reg_ea4, reg_eac; 3386 u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc; 3387 s32 reg_tmp = 0; 3388 bool simu; 3389 3390 memset(result, 0, sizeof(result)); 3391 candidate = -1; 3392 3393 path_a_ok = false; 3394 path_b_ok = false; 3395 3396 rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 3397 3398 for (i = 0; i < 3; i++) { 3399 rtl8xxxu_phy_iqcalibrate(priv, result, i); 3400 3401 if (i == 1) { 3402 simu = rtl8xxxu_simularity_compare(priv, result, 0, 1); 3403 if (simu) { 3404 candidate = 0; 3405 break; 3406 } 3407 } 3408 3409 if (i == 2) { 3410 simu = rtl8xxxu_simularity_compare(priv, result, 0, 2); 3411 if (simu) { 3412 candidate = 0; 3413 break; 3414 } 3415 3416 simu = rtl8xxxu_simularity_compare(priv, result, 1, 2); 3417 if (simu) { 3418 candidate = 1; 3419 } else { 3420 for (i = 0; i < 8; i++) 3421 reg_tmp += result[3][i]; 3422 3423 if (reg_tmp) 3424 candidate = 3; 3425 else 3426 candidate = -1; 3427 } 3428 } 3429 } 3430 3431 for (i = 0; i < 4; i++) { 3432 reg_e94 = result[i][0]; 3433 reg_e9c = result[i][1]; 3434 reg_ea4 = result[i][2]; 3435 reg_eac = result[i][3]; 3436 reg_eb4 = result[i][4]; 3437 reg_ebc = result[i][5]; 3438 reg_ec4 = result[i][6]; 3439 reg_ecc = result[i][7]; 3440 } 3441 3442 if (candidate >= 0) { 3443 reg_e94 = result[candidate][0]; 3444 priv->rege94 = reg_e94; 3445 reg_e9c = result[candidate][1]; 3446 priv->rege9c = reg_e9c; 3447 reg_ea4 = result[candidate][2]; 3448 reg_eac = result[candidate][3]; 3449 reg_eb4 = result[candidate][4]; 3450 priv->regeb4 = reg_eb4; 3451 reg_ebc = result[candidate][5]; 3452 priv->regebc = reg_ebc; 3453 reg_ec4 = result[candidate][6]; 3454 reg_ecc = result[candidate][7]; 3455 dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate); 3456 dev_dbg(dev, 3457 "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n", 3458 __func__, reg_e94, reg_e9c, 3459 reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc); 3460 path_a_ok = true; 3461 path_b_ok = true; 3462 } else { 3463 reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100; 3464 reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0; 3465 } 3466 3467 if (reg_e94 && candidate >= 0) 3468 rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result, 3469 candidate, (reg_ea4 == 0)); 3470 3471 if (priv->tx_paths > 1 && reg_eb4) 3472 rtl8xxxu_fill_iqk_matrix_b(priv, path_b_ok, result, 3473 candidate, (reg_ec4 == 0)); 3474 3475 rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg, 3476 priv->bb_recovery_backup, RTL8XXXU_BB_REGS); 3477 } 3478 3479 void rtl8723a_phy_lc_calibrate(struct rtl8xxxu_priv *priv) 3480 { 3481 u32 val32; 3482 u32 rf_amode, rf_bmode = 0, lstf; 3483 3484 /* Check continuous TX and Packet TX */ 3485 lstf = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); 3486 3487 if (lstf & OFDM_LSTF_MASK) { 3488 /* Disable all continuous TX */ 3489 val32 = lstf & ~OFDM_LSTF_MASK; 3490 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); 3491 3492 /* Read original RF mode Path A */ 3493 rf_amode = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_AC); 3494 3495 /* Set RF mode to standby Path A */ 3496 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 3497 (rf_amode & 0x8ffff) | 0x10000); 3498 3499 /* Path-B */ 3500 if (priv->tx_paths > 1) { 3501 rf_bmode = rtl8xxxu_read_rfreg(priv, RF_B, 3502 RF6052_REG_AC); 3503 3504 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 3505 (rf_bmode & 0x8ffff) | 0x10000); 3506 } 3507 } else { 3508 /* Deal with Packet TX case */ 3509 /* block all queues */ 3510 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 3511 } 3512 3513 /* Start LC calibration */ 3514 if (priv->fops->has_s0s1) 3515 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, 0xdfbe0); 3516 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG); 3517 val32 |= 0x08000; 3518 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, val32); 3519 3520 msleep(100); 3521 3522 if (priv->fops->has_s0s1) 3523 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, 0xdffe0); 3524 3525 /* Restore original parameters */ 3526 if (lstf & OFDM_LSTF_MASK) { 3527 /* Path-A */ 3528 rtl8xxxu_write32(priv, REG_OFDM1_LSTF, lstf); 3529 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, rf_amode); 3530 3531 /* Path-B */ 3532 if (priv->tx_paths > 1) 3533 rtl8xxxu_write_rfreg(priv, RF_B, RF6052_REG_AC, 3534 rf_bmode); 3535 } else /* Deal with Packet TX case */ 3536 rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00); 3537 } 3538 3539 static int rtl8xxxu_set_mac(struct rtl8xxxu_priv *priv, int port_num) 3540 { 3541 int i; 3542 u16 reg; 3543 3544 switch (port_num) { 3545 case 0: 3546 reg = REG_MACID; 3547 break; 3548 case 1: 3549 reg = REG_MACID1; 3550 break; 3551 default: 3552 WARN_ONCE(1, "%s: invalid port_num\n", __func__); 3553 return -EINVAL; 3554 } 3555 3556 for (i = 0; i < ETH_ALEN; i++) 3557 rtl8xxxu_write8(priv, reg + i, priv->vifs[port_num]->addr[i]); 3558 3559 return 0; 3560 } 3561 3562 static int rtl8xxxu_set_bssid(struct rtl8xxxu_priv *priv, const u8 *bssid, int port_num) 3563 { 3564 int i; 3565 u16 reg; 3566 3567 dev_dbg(&priv->udev->dev, "%s: (%pM)\n", __func__, bssid); 3568 3569 switch (port_num) { 3570 case 0: 3571 reg = REG_BSSID; 3572 break; 3573 case 1: 3574 reg = REG_BSSID1; 3575 break; 3576 default: 3577 WARN_ONCE(1, "%s: invalid port_num\n", __func__); 3578 return -EINVAL; 3579 } 3580 3581 for (i = 0; i < ETH_ALEN; i++) 3582 rtl8xxxu_write8(priv, reg + i, bssid[i]); 3583 3584 return 0; 3585 } 3586 3587 static void 3588 rtl8xxxu_set_ampdu_factor(struct rtl8xxxu_priv *priv, u8 ampdu_factor) 3589 { 3590 u8 vals[4] = { 0x41, 0xa8, 0x72, 0xb9 }; 3591 u8 max_agg = 0xf; 3592 int i; 3593 3594 ampdu_factor = 1 << (ampdu_factor + 2); 3595 if (ampdu_factor > max_agg) 3596 ampdu_factor = max_agg; 3597 3598 for (i = 0; i < 4; i++) { 3599 if ((vals[i] & 0xf0) > (ampdu_factor << 4)) 3600 vals[i] = (vals[i] & 0x0f) | (ampdu_factor << 4); 3601 3602 if ((vals[i] & 0x0f) > ampdu_factor) 3603 vals[i] = (vals[i] & 0xf0) | ampdu_factor; 3604 3605 rtl8xxxu_write8(priv, REG_AGGLEN_LMT + i, vals[i]); 3606 } 3607 } 3608 3609 static void rtl8xxxu_set_ampdu_min_space(struct rtl8xxxu_priv *priv, u8 density) 3610 { 3611 u8 val8; 3612 3613 val8 = rtl8xxxu_read8(priv, REG_AMPDU_MIN_SPACE); 3614 val8 &= 0xf8; 3615 val8 |= density; 3616 rtl8xxxu_write8(priv, REG_AMPDU_MIN_SPACE, val8); 3617 } 3618 3619 static int rtl8xxxu_active_to_emu(struct rtl8xxxu_priv *priv) 3620 { 3621 u8 val8; 3622 int count, ret = 0; 3623 3624 /* Start of rtl8723AU_card_enable_flow */ 3625 /* Act to Cardemu sequence*/ 3626 /* Turn off RF */ 3627 rtl8xxxu_write8(priv, REG_RF_CTRL, 0); 3628 3629 /* 0x004E[7] = 0, switch DPDT_SEL_P output from register 0x0065[2] */ 3630 val8 = rtl8xxxu_read8(priv, REG_LEDCFG2); 3631 val8 &= ~LEDCFG2_DPDT_SELECT; 3632 rtl8xxxu_write8(priv, REG_LEDCFG2, val8); 3633 3634 /* 0x0005[1] = 1 turn off MAC by HW state machine*/ 3635 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3636 val8 |= BIT(1); 3637 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3638 3639 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 3640 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3641 if ((val8 & BIT(1)) == 0) 3642 break; 3643 udelay(10); 3644 } 3645 3646 if (!count) { 3647 dev_warn(&priv->udev->dev, "%s: Disabling MAC timed out\n", 3648 __func__); 3649 ret = -EBUSY; 3650 goto exit; 3651 } 3652 3653 /* 0x0000[5] = 1 analog Ips to digital, 1:isolation */ 3654 val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL); 3655 val8 |= SYS_ISO_ANALOG_IPS; 3656 rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8); 3657 3658 /* 0x0020[0] = 0 disable LDOA12 MACRO block*/ 3659 val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL); 3660 val8 &= ~LDOA15_ENABLE; 3661 rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8); 3662 3663 exit: 3664 return ret; 3665 } 3666 3667 int rtl8xxxu_active_to_lps(struct rtl8xxxu_priv *priv) 3668 { 3669 u8 val8; 3670 u8 val32; 3671 int count, ret = 0; 3672 3673 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 3674 3675 /* 3676 * Poll - wait for RX packet to complete 3677 */ 3678 for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { 3679 val32 = rtl8xxxu_read32(priv, 0x5f8); 3680 if (!val32) 3681 break; 3682 udelay(10); 3683 } 3684 3685 if (!count) { 3686 dev_warn(&priv->udev->dev, 3687 "%s: RX poll timed out (0x05f8)\n", __func__); 3688 ret = -EBUSY; 3689 goto exit; 3690 } 3691 3692 /* Disable CCK and OFDM, clock gated */ 3693 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); 3694 val8 &= ~SYS_FUNC_BBRSTB; 3695 rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); 3696 3697 udelay(2); 3698 3699 /* Reset baseband */ 3700 val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); 3701 val8 &= ~SYS_FUNC_BB_GLB_RSTN; 3702 rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); 3703 3704 /* Reset MAC TRX */ 3705 val8 = rtl8xxxu_read8(priv, REG_CR); 3706 val8 = CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE; 3707 rtl8xxxu_write8(priv, REG_CR, val8); 3708 3709 /* Reset MAC TRX */ 3710 val8 = rtl8xxxu_read8(priv, REG_CR + 1); 3711 val8 &= ~BIT(1); /* CR_SECURITY_ENABLE */ 3712 rtl8xxxu_write8(priv, REG_CR + 1, val8); 3713 3714 /* Respond TX OK to scheduler */ 3715 val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST); 3716 val8 |= DUAL_TSF_TX_OK; 3717 rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8); 3718 3719 exit: 3720 return ret; 3721 } 3722 3723 void rtl8xxxu_disabled_to_emu(struct rtl8xxxu_priv *priv) 3724 { 3725 u8 val8; 3726 3727 /* Clear suspend enable and power down enable*/ 3728 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3729 val8 &= ~(BIT(3) | BIT(7)); 3730 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3731 3732 /* 0x48[16] = 0 to disable GPIO9 as EXT WAKEUP*/ 3733 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2); 3734 val8 &= ~BIT(0); 3735 rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8); 3736 3737 /* 0x04[12:11] = 11 enable WL suspend*/ 3738 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3739 val8 &= ~(BIT(3) | BIT(4)); 3740 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3741 } 3742 3743 static int rtl8xxxu_emu_to_disabled(struct rtl8xxxu_priv *priv) 3744 { 3745 u8 val8; 3746 3747 /* 0x0007[7:0] = 0x20 SOP option to disable BG/MB */ 3748 rtl8xxxu_write8(priv, REG_APS_FSMCO + 3, 0x20); 3749 3750 /* 0x04[12:11] = 01 enable WL suspend */ 3751 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3752 val8 &= ~BIT(4); 3753 val8 |= BIT(3); 3754 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3755 3756 val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); 3757 val8 |= BIT(7); 3758 rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); 3759 3760 /* 0x48[16] = 1 to enable GPIO9 as EXT wakeup */ 3761 val8 = rtl8xxxu_read8(priv, REG_GPIO_INTM + 2); 3762 val8 |= BIT(0); 3763 rtl8xxxu_write8(priv, REG_GPIO_INTM + 2, val8); 3764 3765 return 0; 3766 } 3767 3768 int rtl8xxxu_flush_fifo(struct rtl8xxxu_priv *priv) 3769 { 3770 struct device *dev = &priv->udev->dev; 3771 u32 val32; 3772 int retry, retval; 3773 3774 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 3775 3776 val32 = rtl8xxxu_read32(priv, REG_RXPKT_NUM); 3777 val32 |= RXPKT_NUM_RW_RELEASE_EN; 3778 rtl8xxxu_write32(priv, REG_RXPKT_NUM, val32); 3779 3780 retry = 100; 3781 retval = -EBUSY; 3782 3783 do { 3784 val32 = rtl8xxxu_read32(priv, REG_RXPKT_NUM); 3785 if (val32 & RXPKT_NUM_RXDMA_IDLE) { 3786 retval = 0; 3787 break; 3788 } 3789 } while (retry--); 3790 3791 rtl8xxxu_write16(priv, REG_RQPN_NPQ, 0); 3792 rtl8xxxu_write32(priv, REG_RQPN, 0x80000000); 3793 mdelay(2); 3794 3795 if (!retry) 3796 dev_warn(dev, "Failed to flush FIFO\n"); 3797 3798 return retval; 3799 } 3800 3801 void rtl8xxxu_gen1_usb_quirks(struct rtl8xxxu_priv *priv) 3802 { 3803 /* Fix USB interface interference issue */ 3804 rtl8xxxu_write8(priv, 0xfe40, 0xe0); 3805 rtl8xxxu_write8(priv, 0xfe41, 0x8d); 3806 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3807 /* 3808 * This sets TXDMA_OFFSET_DROP_DATA_EN (bit 9) as well as bits 3809 * 8 and 5, for which I have found no documentation. 3810 */ 3811 rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, 0xfd0320); 3812 3813 /* 3814 * Solve too many protocol error on USB bus. 3815 * Can't do this for 8188/8192 UMC A cut parts 3816 */ 3817 if (!(!priv->chip_cut && priv->vendor_umc)) { 3818 rtl8xxxu_write8(priv, 0xfe40, 0xe6); 3819 rtl8xxxu_write8(priv, 0xfe41, 0x94); 3820 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3821 3822 rtl8xxxu_write8(priv, 0xfe40, 0xe0); 3823 rtl8xxxu_write8(priv, 0xfe41, 0x19); 3824 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3825 3826 rtl8xxxu_write8(priv, 0xfe40, 0xe5); 3827 rtl8xxxu_write8(priv, 0xfe41, 0x91); 3828 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3829 3830 rtl8xxxu_write8(priv, 0xfe40, 0xe2); 3831 rtl8xxxu_write8(priv, 0xfe41, 0x81); 3832 rtl8xxxu_write8(priv, 0xfe42, 0x80); 3833 } 3834 } 3835 3836 void rtl8xxxu_gen2_usb_quirks(struct rtl8xxxu_priv *priv) 3837 { 3838 u32 val32; 3839 3840 val32 = rtl8xxxu_read32(priv, REG_TXDMA_OFFSET_CHK); 3841 val32 |= TXDMA_OFFSET_DROP_DATA_EN; 3842 rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, val32); 3843 } 3844 3845 void rtl8xxxu_power_off(struct rtl8xxxu_priv *priv) 3846 { 3847 u8 val8; 3848 u16 val16; 3849 u32 val32; 3850 3851 /* 3852 * Workaround for 8188RU LNA power leakage problem. 3853 */ 3854 if (priv->rtl_chip == RTL8188R) { 3855 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XCD_RF_PARM); 3856 val32 |= BIT(1); 3857 rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_PARM, val32); 3858 } 3859 3860 rtl8xxxu_flush_fifo(priv); 3861 3862 rtl8xxxu_active_to_lps(priv); 3863 3864 /* Turn off RF */ 3865 rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00); 3866 3867 /* Reset Firmware if running in RAM */ 3868 if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL) 3869 rtl8xxxu_firmware_self_reset(priv); 3870 3871 /* Reset MCU */ 3872 val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); 3873 val16 &= ~SYS_FUNC_CPU_ENABLE; 3874 rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); 3875 3876 /* Reset MCU ready status */ 3877 rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); 3878 3879 rtl8xxxu_active_to_emu(priv); 3880 rtl8xxxu_emu_to_disabled(priv); 3881 3882 /* Reset MCU IO Wrapper */ 3883 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 3884 val8 &= ~BIT(0); 3885 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 3886 3887 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1); 3888 val8 |= BIT(0); 3889 rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8); 3890 3891 /* RSV_CTRL 0x1C[7:0] = 0x0e lock ISO/CLK/Power control register */ 3892 rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0e); 3893 } 3894 3895 void rtl8723bu_set_ps_tdma(struct rtl8xxxu_priv *priv, 3896 u8 arg1, u8 arg2, u8 arg3, u8 arg4, u8 arg5) 3897 { 3898 struct h2c_cmd h2c; 3899 3900 memset(&h2c, 0, sizeof(struct h2c_cmd)); 3901 h2c.b_type_dma.cmd = H2C_8723B_B_TYPE_TDMA; 3902 h2c.b_type_dma.data1 = arg1; 3903 h2c.b_type_dma.data2 = arg2; 3904 h2c.b_type_dma.data3 = arg3; 3905 h2c.b_type_dma.data4 = arg4; 3906 h2c.b_type_dma.data5 = arg5; 3907 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.b_type_dma)); 3908 } 3909 3910 void rtl8xxxu_gen2_disable_rf(struct rtl8xxxu_priv *priv) 3911 { 3912 u32 val32; 3913 3914 val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA); 3915 val32 &= ~(BIT(22) | BIT(23)); 3916 rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32); 3917 } 3918 3919 static void rtl8xxxu_init_queue_reserved_page(struct rtl8xxxu_priv *priv) 3920 { 3921 struct rtl8xxxu_fileops *fops = priv->fops; 3922 u32 hq, lq, nq, eq, pubq; 3923 u32 val32; 3924 3925 hq = 0; 3926 lq = 0; 3927 nq = 0; 3928 eq = 0; 3929 pubq = 0; 3930 3931 if (priv->ep_tx_high_queue) 3932 hq = fops->page_num_hi; 3933 if (priv->ep_tx_low_queue) 3934 lq = fops->page_num_lo; 3935 if (priv->ep_tx_normal_queue) 3936 nq = fops->page_num_norm; 3937 3938 val32 = (nq << RQPN_NPQ_SHIFT) | (eq << RQPN_EPQ_SHIFT); 3939 rtl8xxxu_write32(priv, REG_RQPN_NPQ, val32); 3940 3941 pubq = fops->total_page_num - hq - lq - nq - 1; 3942 3943 val32 = RQPN_LOAD; 3944 val32 |= (hq << RQPN_HI_PQ_SHIFT); 3945 val32 |= (lq << RQPN_LO_PQ_SHIFT); 3946 val32 |= (pubq << RQPN_PUB_PQ_SHIFT); 3947 3948 rtl8xxxu_write32(priv, REG_RQPN, val32); 3949 } 3950 3951 void rtl8xxxu_init_burst(struct rtl8xxxu_priv *priv) 3952 { 3953 u8 val8; 3954 3955 /* 3956 * For USB high speed set 512B packets 3957 */ 3958 val8 = rtl8xxxu_read8(priv, REG_RXDMA_PRO_8723B); 3959 u8p_replace_bits(&val8, 1, RXDMA_PRO_DMA_BURST_SIZE); 3960 u8p_replace_bits(&val8, 3, RXDMA_PRO_DMA_BURST_CNT); 3961 val8 |= RXDMA_PRO_DMA_MODE; 3962 rtl8xxxu_write8(priv, REG_RXDMA_PRO_8723B, val8); 3963 3964 /* 3965 * Enable single packet AMPDU 3966 */ 3967 val8 = rtl8xxxu_read8(priv, REG_HT_SINGLE_AMPDU_8723B); 3968 val8 |= HT_SINGLE_AMPDU_ENABLE; 3969 rtl8xxxu_write8(priv, REG_HT_SINGLE_AMPDU_8723B, val8); 3970 3971 rtl8xxxu_write16(priv, REG_MAX_AGGR_NUM, priv->fops->max_aggr_num); 3972 rtl8xxxu_write8(priv, REG_AMPDU_MAX_TIME_8723B, 3973 priv->fops->ampdu_max_time); 3974 rtl8xxxu_write32(priv, REG_AGGLEN_LMT, 0xffffffff); 3975 rtl8xxxu_write8(priv, REG_RX_PKT_LIMIT, 0x18); 3976 rtl8xxxu_write8(priv, REG_PIFS, 0x00); 3977 if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8710B || 3978 priv->rtl_chip == RTL8192F) { 3979 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL, FWHW_TXQ_CTRL_AMPDU_RETRY); 3980 rtl8xxxu_write32(priv, REG_FAST_EDCA_CTRL, 0x03086666); 3981 } 3982 rtl8xxxu_write8(priv, REG_USTIME_TSF_8723B, priv->fops->ustime_tsf_edca); 3983 rtl8xxxu_write8(priv, REG_USTIME_EDCA, priv->fops->ustime_tsf_edca); 3984 3985 /* to prevent mac is reseted by bus. */ 3986 val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL); 3987 val8 |= RSV_CTRL_WLOCK_1C | RSV_CTRL_DIS_PRST; 3988 rtl8xxxu_write8(priv, REG_RSV_CTRL, val8); 3989 } 3990 3991 static u8 rtl8xxxu_acquire_macid(struct rtl8xxxu_priv *priv) 3992 { 3993 u8 macid; 3994 3995 macid = find_first_zero_bit(priv->mac_id_map, RTL8XXXU_MAX_MAC_ID_NUM); 3996 if (macid < RTL8XXXU_MAX_MAC_ID_NUM) 3997 set_bit(macid, priv->mac_id_map); 3998 3999 return macid; 4000 } 4001 4002 static void rtl8xxxu_release_macid(struct rtl8xxxu_priv *priv, u8 macid) 4003 { 4004 clear_bit(macid, priv->mac_id_map); 4005 } 4006 4007 static inline u8 rtl8xxxu_get_macid(struct rtl8xxxu_priv *priv, 4008 struct ieee80211_sta *sta) 4009 { 4010 struct rtl8xxxu_sta_info *sta_info; 4011 4012 if (!sta) 4013 return 0; 4014 4015 sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 4016 if (!sta_info) 4017 return 0; 4018 4019 return sta_info->macid; 4020 } 4021 4022 static int rtl8xxxu_init_device(struct ieee80211_hw *hw) 4023 { 4024 struct rtl8xxxu_priv *priv = hw->priv; 4025 struct device *dev = &priv->udev->dev; 4026 struct rtl8xxxu_fileops *fops = priv->fops; 4027 bool macpower; 4028 int ret; 4029 u8 val8; 4030 u16 val16; 4031 u32 val32; 4032 4033 /* Check if MAC is already powered on */ 4034 val8 = rtl8xxxu_read8(priv, REG_CR); 4035 val16 = rtl8xxxu_read16(priv, REG_SYS_CLKR); 4036 4037 /* 4038 * Fix 92DU-VC S3 hang with the reason is that secondary mac is not 4039 * initialized. First MAC returns 0xea, second MAC returns 0x00 4040 */ 4041 if (val8 == 0xea || !(val16 & SYS_CLK_MAC_CLK_ENABLE)) 4042 macpower = false; 4043 else 4044 macpower = true; 4045 4046 if (fops->needs_full_init) 4047 macpower = false; 4048 4049 ret = fops->power_on(priv); 4050 if (ret < 0) { 4051 dev_warn(dev, "%s: Failed power on\n", __func__); 4052 goto exit; 4053 } 4054 4055 if (!macpower) 4056 rtl8xxxu_init_queue_reserved_page(priv); 4057 4058 ret = rtl8xxxu_init_queue_priority(priv); 4059 dev_dbg(dev, "%s: init_queue_priority %i\n", __func__, ret); 4060 if (ret) 4061 goto exit; 4062 4063 /* 4064 * Set RX page boundary 4065 */ 4066 rtl8xxxu_write16(priv, REG_TRXFF_BNDY + 2, fops->trxff_boundary); 4067 4068 for (int retry = 5; retry >= 0 ; retry--) { 4069 ret = rtl8xxxu_download_firmware(priv); 4070 dev_dbg(dev, "%s: download_firmware %i\n", __func__, ret); 4071 if (ret != -EAGAIN) 4072 break; 4073 if (retry) 4074 dev_dbg(dev, "%s: retry firmware download\n", __func__); 4075 } 4076 if (ret) 4077 goto exit; 4078 ret = rtl8xxxu_start_firmware(priv); 4079 dev_dbg(dev, "%s: start_firmware %i\n", __func__, ret); 4080 if (ret) 4081 goto exit; 4082 4083 if (fops->phy_init_antenna_selection) 4084 fops->phy_init_antenna_selection(priv); 4085 4086 ret = rtl8xxxu_init_mac(priv); 4087 4088 dev_dbg(dev, "%s: init_mac %i\n", __func__, ret); 4089 if (ret) 4090 goto exit; 4091 4092 ret = rtl8xxxu_init_phy_bb(priv); 4093 dev_dbg(dev, "%s: init_phy_bb %i\n", __func__, ret); 4094 if (ret) 4095 goto exit; 4096 4097 ret = fops->init_phy_rf(priv); 4098 if (ret) 4099 goto exit; 4100 4101 /* Mac APLL Setting */ 4102 if (priv->rtl_chip == RTL8192F) 4103 rtl8xxxu_write16_set(priv, REG_AFE_CTRL4, BIT(4) | BIT(15)); 4104 4105 /* RFSW Control - clear bit 14 ?? */ 4106 if (priv->rtl_chip != RTL8723B && priv->rtl_chip != RTL8192E && 4107 priv->rtl_chip != RTL8188E && priv->rtl_chip != RTL8710B && 4108 priv->rtl_chip != RTL8192F) 4109 rtl8xxxu_write32(priv, REG_FPGA0_TX_INFO, 0x00000003); 4110 4111 val32 = FPGA0_RF_TRSW | FPGA0_RF_TRSWB | FPGA0_RF_ANTSW | 4112 FPGA0_RF_ANTSWB | 4113 ((FPGA0_RF_ANTSW | FPGA0_RF_ANTSWB) << FPGA0_RF_BD_CTRL_SHIFT); 4114 if (!priv->no_pape) { 4115 val32 |= (FPGA0_RF_PAPE | 4116 (FPGA0_RF_PAPE << FPGA0_RF_BD_CTRL_SHIFT)); 4117 } 4118 rtl8xxxu_write32(priv, REG_FPGA0_XAB_RF_SW_CTRL, val32); 4119 4120 /* 0x860[6:5]= 00 - why? - this sets antenna B */ 4121 if (priv->rtl_chip != RTL8192E && priv->rtl_chip != RTL8188E && 4122 priv->rtl_chip != RTL8710B && priv->rtl_chip != RTL8192F) 4123 rtl8xxxu_write32(priv, REG_FPGA0_XA_RF_INT_OE, 0x66f60210); 4124 4125 if (!macpower) { 4126 /* 4127 * Set TX buffer boundary 4128 */ 4129 val8 = fops->total_page_num + 1; 4130 4131 rtl8xxxu_write8(priv, REG_TXPKTBUF_BCNQ_BDNY, val8); 4132 rtl8xxxu_write8(priv, REG_TXPKTBUF_MGQ_BDNY, val8); 4133 rtl8xxxu_write8(priv, REG_TXPKTBUF_WMAC_LBK_BF_HD, val8); 4134 rtl8xxxu_write8(priv, REG_TRXFF_BNDY, val8); 4135 rtl8xxxu_write8(priv, REG_TDECTRL + 1, val8); 4136 } 4137 4138 /* 4139 * The vendor drivers set PBP for all devices, except 8192e. 4140 * There is no explanation for this in any of the sources. 4141 */ 4142 val8 = (fops->pbp_rx << PBP_PAGE_SIZE_RX_SHIFT) | 4143 (fops->pbp_tx << PBP_PAGE_SIZE_TX_SHIFT); 4144 if (priv->rtl_chip != RTL8192E) 4145 rtl8xxxu_write8(priv, REG_PBP, val8); 4146 4147 dev_dbg(dev, "%s: macpower %i\n", __func__, macpower); 4148 if (!macpower) { 4149 ret = fops->llt_init(priv); 4150 if (ret) { 4151 dev_warn(dev, "%s: LLT table init failed\n", __func__); 4152 goto exit; 4153 } 4154 4155 /* 4156 * Chip specific quirks 4157 */ 4158 fops->usb_quirks(priv); 4159 4160 /* 4161 * Enable TX report and TX report timer for 8723bu/8188eu/... 4162 */ 4163 if (fops->has_tx_report) { 4164 /* 4165 * The RTL8188EU has two types of TX reports: 4166 * rpt_sel=1: 4167 * One report for one frame. We can use this for frames 4168 * with IEEE80211_TX_CTL_REQ_TX_STATUS. 4169 * rpt_sel=2: 4170 * One report for many frames transmitted over a period 4171 * of time. (This is what REG_TX_REPORT_TIME is for.) The 4172 * report includes the number of frames transmitted 4173 * successfully, and the number of unsuccessful 4174 * transmissions. We use this for software rate control. 4175 * 4176 * Bit 0 of REG_TX_REPORT_CTRL is required for both types. 4177 * Bit 1 (TX_REPORT_CTRL_TIMER_ENABLE) is required for 4178 * type 2. 4179 */ 4180 val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL); 4181 if (priv->rtl_chip == RTL8188E) 4182 val8 |= BIT(0); 4183 val8 |= TX_REPORT_CTRL_TIMER_ENABLE; 4184 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); 4185 /* Set MAX RPT MACID */ 4186 rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL + 1, 0x02); 4187 /* TX report Timer. Unit: 32us */ 4188 rtl8xxxu_write16(priv, REG_TX_REPORT_TIME, 0xcdf0); 4189 4190 /* tmp ps ? */ 4191 val8 = rtl8xxxu_read8(priv, 0xa3); 4192 val8 &= 0xf8; 4193 rtl8xxxu_write8(priv, 0xa3, val8); 4194 } 4195 4196 if (priv->rtl_chip == RTL8710B || priv->rtl_chip == RTL8192F) 4197 rtl8xxxu_write8(priv, REG_EARLY_MODE_CONTROL_8710B, 0); 4198 } 4199 4200 /* 4201 * Unit in 8 bytes. 4202 * Get Rx PHY status in order to report RSSI and others. 4203 */ 4204 rtl8xxxu_write8(priv, REG_RX_DRVINFO_SZ, 4); 4205 4206 if (priv->rtl_chip == RTL8192E) { 4207 rtl8xxxu_write32(priv, REG_HIMR0, 0x00); 4208 rtl8xxxu_write32(priv, REG_HIMR1, 0x00); 4209 } else if (priv->rtl_chip == RTL8188F) { 4210 rtl8xxxu_write32(priv, REG_HISR0, 0xffffffff); 4211 rtl8xxxu_write32(priv, REG_HISR1, 0xffffffff); 4212 } else if (priv->rtl_chip == RTL8188E) { 4213 rtl8xxxu_write32(priv, REG_HISR0, 0xffffffff); 4214 val32 = IMR0_PSTIMEOUT | IMR0_TBDER | IMR0_CPWM | IMR0_CPWM2; 4215 rtl8xxxu_write32(priv, REG_HIMR0, val32); 4216 val32 = IMR1_TXERR | IMR1_RXERR | IMR1_TXFOVW | IMR1_RXFOVW; 4217 rtl8xxxu_write32(priv, REG_HIMR1, val32); 4218 val8 = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION); 4219 val8 |= USB_SPEC_INT_BULK_SELECT; 4220 rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, val8); 4221 } else if (priv->rtl_chip == RTL8710B) { 4222 rtl8xxxu_write32(priv, REG_HIMR0_8710B, 0); 4223 } else if (priv->rtl_chip != RTL8192F) { 4224 /* 4225 * Enable all interrupts - not obvious USB needs to do this 4226 */ 4227 rtl8xxxu_write32(priv, REG_HISR, 0xffffffff); 4228 rtl8xxxu_write32(priv, REG_HIMR, 0xffffffff); 4229 } 4230 4231 /* 4232 * Configure initial WMAC settings 4233 */ 4234 val32 = RCR_ACCEPT_PHYS_MATCH | RCR_ACCEPT_MCAST | RCR_ACCEPT_BCAST | 4235 RCR_ACCEPT_MGMT_FRAME | RCR_HTC_LOC_CTRL | 4236 RCR_APPEND_PHYSTAT | RCR_APPEND_ICV | RCR_APPEND_MIC; 4237 rtl8xxxu_write32(priv, REG_RCR, val32); 4238 priv->regrcr = val32; 4239 4240 if (fops->init_reg_rxfltmap) { 4241 /* Accept all data frames */ 4242 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0xffff); 4243 4244 /* 4245 * Since ADF is removed from RCR, ps-poll will not be indicate to driver, 4246 * RxFilterMap should mask ps-poll to gurantee AP mode can rx ps-poll. 4247 */ 4248 rtl8xxxu_write16(priv, REG_RXFLTMAP1, 0x400); 4249 4250 /* Accept all management frames */ 4251 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0xffff); 4252 } else { 4253 /* 4254 * Accept all multicast 4255 */ 4256 rtl8xxxu_write32(priv, REG_MAR, 0xffffffff); 4257 rtl8xxxu_write32(priv, REG_MAR + 4, 0xffffffff); 4258 } 4259 4260 /* 4261 * Init adaptive controls 4262 */ 4263 val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); 4264 val32 &= ~RESPONSE_RATE_BITMAP_ALL; 4265 val32 |= RESPONSE_RATE_RRSR_CCK_ONLY_1M; 4266 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); 4267 4268 /* CCK = 0x0a, OFDM = 0x10 */ 4269 rtl8xxxu_set_spec_sifs(priv, 0x10, 0x10); 4270 rtl8xxxu_set_retry(priv, 0x30, 0x30); 4271 rtl8xxxu_set_spec_sifs(priv, 0x0a, 0x10); 4272 4273 /* 4274 * Init EDCA 4275 */ 4276 rtl8xxxu_write16(priv, REG_MAC_SPEC_SIFS, 0x100a); 4277 4278 /* Set CCK SIFS */ 4279 rtl8xxxu_write16(priv, REG_SIFS_CCK, 0x100a); 4280 4281 /* Set OFDM SIFS */ 4282 rtl8xxxu_write16(priv, REG_SIFS_OFDM, 0x100a); 4283 4284 /* TXOP */ 4285 rtl8xxxu_write32(priv, REG_EDCA_BE_PARAM, 0x005ea42b); 4286 rtl8xxxu_write32(priv, REG_EDCA_BK_PARAM, 0x0000a44f); 4287 rtl8xxxu_write32(priv, REG_EDCA_VI_PARAM, 0x005ea324); 4288 rtl8xxxu_write32(priv, REG_EDCA_VO_PARAM, 0x002fa226); 4289 4290 /* Set data auto rate fallback retry count */ 4291 rtl8xxxu_write32(priv, REG_DARFRC, 0x00000000); 4292 rtl8xxxu_write32(priv, REG_DARFRC + 4, 0x10080404); 4293 rtl8xxxu_write32(priv, REG_RARFRC, 0x04030201); 4294 rtl8xxxu_write32(priv, REG_RARFRC + 4, 0x08070605); 4295 4296 val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL); 4297 val8 |= FWHW_TXQ_CTRL_AMPDU_RETRY; 4298 rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL, val8); 4299 4300 /* Set ACK timeout */ 4301 rtl8xxxu_write8(priv, REG_ACKTO, 0x40); 4302 4303 /* 4304 * Initialize beacon parameters 4305 */ 4306 val16 = BEACON_DISABLE_TSF_UPDATE | (BEACON_DISABLE_TSF_UPDATE << 8); 4307 rtl8xxxu_write16(priv, REG_BEACON_CTRL, val16); 4308 rtl8xxxu_write16(priv, REG_TBTT_PROHIBIT, 0x6404); 4309 if (priv->rtl_chip != RTL8188F && priv->rtl_chip != RTL8710B && 4310 priv->rtl_chip != RTL8192F) 4311 /* Firmware will control REG_DRVERLYINT when power saving is enable, */ 4312 /* so don't set this register on STA mode. */ 4313 rtl8xxxu_write8(priv, REG_DRIVER_EARLY_INT, DRIVER_EARLY_INT_TIME); 4314 rtl8xxxu_write8(priv, REG_BEACON_DMA_TIME, BEACON_DMA_ATIME_INT_TIME); 4315 rtl8xxxu_write16(priv, REG_BEACON_TCFG, 0x660F); 4316 4317 /* 4318 * Initialize burst parameters 4319 */ 4320 if (priv->fops->init_burst) 4321 priv->fops->init_burst(priv); 4322 4323 if (fops->init_aggregation) 4324 fops->init_aggregation(priv); 4325 4326 if (fops->init_reg_pkt_life_time) { 4327 rtl8xxxu_write16(priv, REG_PKT_VO_VI_LIFE_TIME, 0x0400); /* unit: 256us. 256ms */ 4328 rtl8xxxu_write16(priv, REG_PKT_BE_BK_LIFE_TIME, 0x0400); /* unit: 256us. 256ms */ 4329 } 4330 4331 /* 4332 * Enable CCK and OFDM block 4333 */ 4334 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 4335 val32 |= (FPGA_RF_MODE_CCK | FPGA_RF_MODE_OFDM); 4336 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 4337 4338 /* 4339 * Invalidate all CAM entries - bit 30 is undocumented 4340 */ 4341 rtl8xxxu_write32(priv, REG_CAM_CMD, CAM_CMD_POLLING | BIT(30)); 4342 4343 /* 4344 * Start out with default power levels for channel 6, 20MHz 4345 */ 4346 fops->set_tx_power(priv, 1, false); 4347 4348 /* Let the 8051 take control of antenna setting */ 4349 if (priv->rtl_chip != RTL8192E && priv->rtl_chip != RTL8188F && 4350 priv->rtl_chip != RTL8710B && priv->rtl_chip != RTL8192C) { 4351 val8 = rtl8xxxu_read8(priv, REG_LEDCFG2); 4352 val8 |= LEDCFG2_DPDT_SELECT; 4353 rtl8xxxu_write8(priv, REG_LEDCFG2, val8); 4354 } 4355 4356 rtl8xxxu_write8(priv, REG_HWSEQ_CTRL, 0xff); 4357 4358 /* Disable BAR - not sure if this has any effect on USB */ 4359 rtl8xxxu_write32(priv, REG_BAR_MODE_CTRL, 0x0201ffff); 4360 4361 if (priv->rtl_chip != RTL8188F && priv->rtl_chip != RTL8188E && 4362 priv->rtl_chip != RTL8710B && priv->rtl_chip != RTL8192F) 4363 rtl8xxxu_write16(priv, REG_FAST_EDCA_CTRL, 0); 4364 4365 if (fops->init_statistics) 4366 fops->init_statistics(priv); 4367 4368 if (priv->rtl_chip == RTL8192E) { 4369 /* 4370 * 0x4c6[3] 1: RTS BW = Data BW 4371 * 0: RTS BW depends on CCA / secondary CCA result. 4372 */ 4373 val8 = rtl8xxxu_read8(priv, REG_QUEUE_CTRL); 4374 val8 &= ~BIT(3); 4375 rtl8xxxu_write8(priv, REG_QUEUE_CTRL, val8); 4376 /* 4377 * Reset USB mode switch setting 4378 */ 4379 rtl8xxxu_write8(priv, REG_ACLK_MON, 0x00); 4380 } else if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8188E || 4381 priv->rtl_chip == RTL8192F) { 4382 /* 4383 * Init GPIO settings for 8188f, 8188e, 8192f 4384 */ 4385 val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG); 4386 val8 &= ~GPIO_MUXCFG_IO_SEL_ENBT; 4387 rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8); 4388 } 4389 4390 if (priv->rtl_chip == RTL8188F) 4391 /* CCK PD */ 4392 rtl8xxxu_write8(priv, REG_CCK_PD_THRESH, CCK_PD_TYPE1_LV1_TH); 4393 4394 fops->phy_lc_calibrate(priv); 4395 4396 fops->phy_iq_calibrate(priv); 4397 4398 /* 4399 * This should enable thermal meter 4400 */ 4401 if (fops->gen2_thermal_meter) { 4402 if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8710B) { 4403 val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_T_METER_8723B); 4404 val32 |= 0x30000; 4405 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_T_METER_8723B, val32); 4406 } else { 4407 rtl8xxxu_write_rfreg(priv, 4408 RF_A, RF6052_REG_T_METER_8723B, 0x37cf8); 4409 } 4410 } else { 4411 rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_T_METER, 0x60); 4412 } 4413 4414 /* Set NAV_UPPER to 30000us */ 4415 val8 = ((30000 + NAV_UPPER_UNIT - 1) / NAV_UPPER_UNIT); 4416 rtl8xxxu_write8(priv, REG_NAV_UPPER, val8); 4417 4418 if (priv->rtl_chip == RTL8723A) { 4419 /* 4420 * 2011/03/09 MH debug only, UMC-B cut pass 2500 S5 test, 4421 * but we need to find root cause. 4422 * This is 8723au only. 4423 */ 4424 val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); 4425 if ((val32 & 0xff000000) != 0x83000000) { 4426 val32 |= FPGA_RF_MODE_CCK; 4427 rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); 4428 } 4429 } else if (priv->rtl_chip == RTL8192E || priv->rtl_chip == RTL8188E) { 4430 rtl8xxxu_write8(priv, REG_USB_HRPWM, 0x00); 4431 } 4432 4433 val32 = rtl8xxxu_read32(priv, REG_FWHW_TXQ_CTRL); 4434 val32 |= FWHW_TXQ_CTRL_XMIT_MGMT_ACK; 4435 /* ack for xmit mgmt frames. */ 4436 rtl8xxxu_write32(priv, REG_FWHW_TXQ_CTRL, val32); 4437 4438 if (priv->rtl_chip == RTL8192E) { 4439 /* 4440 * Fix LDPC rx hang issue. 4441 */ 4442 val32 = rtl8xxxu_read32(priv, REG_AFE_MISC); 4443 rtl8xxxu_write8(priv, REG_8192E_LDOV12_CTRL, 0x75); 4444 val32 &= 0xfff00fff; 4445 val32 |= 0x0007e000; 4446 rtl8xxxu_write32(priv, REG_AFE_MISC, val32); 4447 4448 /* 4449 * 0x824[9] = 0x82C[9] = 0xA80[7] those registers setting 4450 * should be equal or CCK RSSI report may be incorrect 4451 */ 4452 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM2); 4453 priv->cck_agc_report_type = 4454 u32_get_bits(val32, FPGA0_HSSI_PARM2_CCK_HIGH_PWR); 4455 4456 val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_HSSI_PARM2); 4457 if (priv->cck_agc_report_type != 4458 u32_get_bits(val32, FPGA0_HSSI_PARM2_CCK_HIGH_PWR)) { 4459 if (priv->cck_agc_report_type) 4460 val32 |= FPGA0_HSSI_PARM2_CCK_HIGH_PWR; 4461 else 4462 val32 &= ~FPGA0_HSSI_PARM2_CCK_HIGH_PWR; 4463 rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM2, val32); 4464 } 4465 4466 val32 = rtl8xxxu_read32(priv, REG_AGC_RPT); 4467 if (priv->cck_agc_report_type) 4468 val32 |= AGC_RPT_CCK; 4469 else 4470 val32 &= ~AGC_RPT_CCK; 4471 rtl8xxxu_write32(priv, REG_AGC_RPT, val32); 4472 } 4473 4474 if (priv->rtl_chip == RTL8710B) { 4475 /* 4476 * 0x76D[5:4] is Port0,Port1 Enable Bit. 4477 * This is only for 8710B, 2b'00 for MP and 2b'11 for Normal Driver 4478 */ 4479 val8 = rtl8xxxu_read8(priv, REG_PORT_CONTROL_8710B); 4480 val8 |= BIT(5) | BIT(4); 4481 rtl8xxxu_write8(priv, REG_PORT_CONTROL_8710B, val8); 4482 4483 /* Set 0x5c[8] and [2:0] = 1, LDO mode */ 4484 val32 = rtl8xxxu_read32(priv, REG_WL_RF_PSS_8710B); 4485 val32 |= 0x107; 4486 rtl8xxxu_write32(priv, REG_WL_RF_PSS_8710B, val32); 4487 } 4488 4489 val32 = rtl8xxxu_read32(priv, 0xa9c); 4490 priv->cck_new_agc = u32_get_bits(val32, BIT(17)); 4491 4492 /* Initialise the center frequency offset tracking */ 4493 if (priv->fops->set_crystal_cap) { 4494 val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING); 4495 priv->cfo_tracking.atc_status = val32 & CFO_TRACKING_ATC_STATUS; 4496 priv->cfo_tracking.adjust = true; 4497 priv->cfo_tracking.crystal_cap = priv->default_crystal_cap; 4498 } 4499 4500 if (priv->rtl_chip == RTL8188E) 4501 rtl8188e_ra_info_init_all(&priv->ra_info); 4502 4503 set_bit(RTL8XXXU_BC_MC_MACID, priv->mac_id_map); 4504 set_bit(RTL8XXXU_BC_MC_MACID1, priv->mac_id_map); 4505 4506 exit: 4507 return ret; 4508 } 4509 4510 static void rtl8xxxu_cam_write(struct rtl8xxxu_priv *priv, 4511 struct ieee80211_key_conf *key, const u8 *mac) 4512 { 4513 u32 cmd, val32, addr, ctrl; 4514 int j, i, tmp_debug; 4515 4516 tmp_debug = rtl8xxxu_debug; 4517 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_KEY) 4518 rtl8xxxu_debug |= RTL8XXXU_DEBUG_REG_WRITE; 4519 4520 /* 4521 * This is a bit of a hack - the lower bits of the cipher 4522 * suite selector happens to match the cipher index in the CAM 4523 */ 4524 addr = key->hw_key_idx << CAM_CMD_KEY_SHIFT; 4525 ctrl = (key->cipher & 0x0f) << 2 | key->keyidx | CAM_WRITE_VALID; 4526 if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 4527 ctrl |= BIT(6); 4528 4529 for (j = 5; j >= 0; j--) { 4530 switch (j) { 4531 case 0: 4532 val32 = ctrl | (mac[0] << 16) | (mac[1] << 24); 4533 break; 4534 case 1: 4535 val32 = mac[2] | (mac[3] << 8) | 4536 (mac[4] << 16) | (mac[5] << 24); 4537 break; 4538 default: 4539 i = (j - 2) << 2; 4540 val32 = key->key[i] | (key->key[i + 1] << 8) | 4541 key->key[i + 2] << 16 | key->key[i + 3] << 24; 4542 break; 4543 } 4544 4545 rtl8xxxu_write32(priv, REG_CAM_WRITE, val32); 4546 cmd = CAM_CMD_POLLING | CAM_CMD_WRITE | (addr + j); 4547 rtl8xxxu_write32(priv, REG_CAM_CMD, cmd); 4548 udelay(100); 4549 } 4550 4551 rtl8xxxu_debug = tmp_debug; 4552 } 4553 4554 static 4555 int rtl8xxxu_get_antenna(struct ieee80211_hw *hw, int radio_idx, u32 *tx_ant, 4556 u32 *rx_ant) 4557 { 4558 struct rtl8xxxu_priv *priv = hw->priv; 4559 4560 *tx_ant = BIT(priv->tx_paths) - 1; 4561 *rx_ant = BIT(priv->rx_paths) - 1; 4562 4563 return 0; 4564 } 4565 4566 static int rtl8xxxu_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 4567 bool set) 4568 { 4569 struct rtl8xxxu_priv *priv = hw->priv; 4570 4571 schedule_delayed_work(&priv->update_beacon_work, 0); 4572 4573 return 0; 4574 } 4575 4576 static void rtl8xxxu_sw_scan_start(struct ieee80211_hw *hw, 4577 struct ieee80211_vif *vif, const u8 *mac) 4578 { 4579 struct rtl8xxxu_priv *priv = hw->priv; 4580 u8 val8; 4581 4582 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 4583 val8 |= BEACON_DISABLE_TSF_UPDATE; 4584 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); 4585 } 4586 4587 static void rtl8xxxu_sw_scan_complete(struct ieee80211_hw *hw, 4588 struct ieee80211_vif *vif) 4589 { 4590 struct rtl8xxxu_priv *priv = hw->priv; 4591 u8 val8; 4592 4593 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 4594 val8 &= ~BEACON_DISABLE_TSF_UPDATE; 4595 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); 4596 } 4597 4598 void rtl8xxxu_update_rate_mask(struct rtl8xxxu_priv *priv, 4599 u32 ramask, u8 rateid, int sgi, int txbw_40mhz, 4600 u8 macid) 4601 { 4602 struct h2c_cmd h2c; 4603 4604 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4605 4606 h2c.ramask.cmd = H2C_SET_RATE_MASK; 4607 h2c.ramask.mask_lo = cpu_to_le16(ramask & 0xffff); 4608 h2c.ramask.mask_hi = cpu_to_le16(ramask >> 16); 4609 4610 h2c.ramask.arg = 0x80; 4611 if (sgi) 4612 h2c.ramask.arg |= 0x20; 4613 4614 dev_dbg(&priv->udev->dev, "%s: rate mask %08x, arg %02x, size %zi\n", 4615 __func__, ramask, h2c.ramask.arg, sizeof(h2c.ramask)); 4616 rtl8xxxu_gen1_h2c_cmd(priv, &h2c, sizeof(h2c.ramask)); 4617 } 4618 4619 void rtl8xxxu_gen2_update_rate_mask(struct rtl8xxxu_priv *priv, 4620 u32 ramask, u8 rateid, int sgi, int txbw_40mhz, 4621 u8 macid) 4622 { 4623 struct h2c_cmd h2c; 4624 u8 bw; 4625 4626 if (txbw_40mhz) 4627 bw = RTL8XXXU_CHANNEL_WIDTH_40; 4628 else 4629 bw = RTL8XXXU_CHANNEL_WIDTH_20; 4630 4631 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4632 4633 h2c.b_macid_cfg.cmd = H2C_8723B_MACID_CFG_RAID; 4634 h2c.b_macid_cfg.ramask0 = ramask & 0xff; 4635 h2c.b_macid_cfg.ramask1 = (ramask >> 8) & 0xff; 4636 h2c.b_macid_cfg.ramask2 = (ramask >> 16) & 0xff; 4637 h2c.b_macid_cfg.ramask3 = (ramask >> 24) & 0xff; 4638 h2c.b_macid_cfg.macid = macid; 4639 4640 h2c.b_macid_cfg.data1 = rateid; 4641 if (sgi) 4642 h2c.b_macid_cfg.data1 |= BIT(7); 4643 4644 h2c.b_macid_cfg.data2 = bw; 4645 4646 dev_dbg(&priv->udev->dev, "%s: rate mask %08x, rateid %02x, sgi %d, size %zi\n", 4647 __func__, ramask, rateid, sgi, sizeof(h2c.b_macid_cfg)); 4648 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.b_macid_cfg)); 4649 } 4650 4651 void rtl8xxxu_gen1_report_connect(struct rtl8xxxu_priv *priv, 4652 u8 macid, u8 role, bool connect) 4653 { 4654 struct h2c_cmd h2c; 4655 4656 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4657 4658 h2c.joinbss.cmd = H2C_JOIN_BSS_REPORT; 4659 4660 if (connect) 4661 h2c.joinbss.data = H2C_JOIN_BSS_CONNECT; 4662 else 4663 h2c.joinbss.data = H2C_JOIN_BSS_DISCONNECT; 4664 4665 rtl8xxxu_gen1_h2c_cmd(priv, &h2c, sizeof(h2c.joinbss)); 4666 } 4667 4668 void rtl8xxxu_gen2_report_connect(struct rtl8xxxu_priv *priv, 4669 u8 macid, u8 role, bool connect) 4670 { 4671 /* 4672 * The firmware turns on the rate control when it knows it's 4673 * connected to a network. 4674 */ 4675 struct h2c_cmd h2c; 4676 4677 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4678 4679 h2c.media_status_rpt.cmd = H2C_8723B_MEDIA_STATUS_RPT; 4680 if (connect) 4681 h2c.media_status_rpt.parm |= BIT(0); 4682 else 4683 h2c.media_status_rpt.parm &= ~BIT(0); 4684 4685 h2c.media_status_rpt.parm |= ((role << 4) & 0xf0); 4686 h2c.media_status_rpt.macid = macid; 4687 4688 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, sizeof(h2c.media_status_rpt)); 4689 } 4690 4691 void rtl8xxxu_gen1_report_rssi(struct rtl8xxxu_priv *priv, u8 macid, u8 rssi) 4692 { 4693 struct h2c_cmd h2c; 4694 const int h2c_size = 4; 4695 4696 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4697 4698 h2c.rssi_report.cmd = H2C_SET_RSSI; 4699 h2c.rssi_report.macid = macid; 4700 h2c.rssi_report.rssi = rssi; 4701 4702 rtl8xxxu_gen1_h2c_cmd(priv, &h2c, h2c_size); 4703 } 4704 4705 void rtl8xxxu_gen2_report_rssi(struct rtl8xxxu_priv *priv, u8 macid, u8 rssi) 4706 { 4707 struct h2c_cmd h2c; 4708 int h2c_size = sizeof(h2c.rssi_report); 4709 4710 if (priv->rtl_chip == RTL8723B) 4711 h2c_size = 4; 4712 4713 memset(&h2c, 0, sizeof(struct h2c_cmd)); 4714 4715 h2c.rssi_report.cmd = H2C_8723B_RSSI_SETTING; 4716 h2c.rssi_report.macid = macid; 4717 h2c.rssi_report.rssi = rssi; 4718 4719 rtl8xxxu_gen2_h2c_cmd(priv, &h2c, h2c_size); 4720 } 4721 4722 void rtl8xxxu_gen1_init_aggregation(struct rtl8xxxu_priv *priv) 4723 { 4724 u8 agg_ctrl, usb_spec, page_thresh, timeout; 4725 4726 usb_spec = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION); 4727 usb_spec &= ~USB_SPEC_USB_AGG_ENABLE; 4728 rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, usb_spec); 4729 4730 agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL); 4731 agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN; 4732 4733 if (!rtl8xxxu_dma_aggregation) { 4734 rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl); 4735 return; 4736 } 4737 4738 agg_ctrl |= TRXDMA_CTRL_RXDMA_AGG_EN; 4739 rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl); 4740 4741 /* 4742 * The number of packets we can take looks to be buffer size / 512 4743 * which matches the 512 byte rounding we have to do when de-muxing 4744 * the packets. 4745 * 4746 * Sample numbers from the vendor driver: 4747 * USB High-Speed mode values: 4748 * RxAggBlockCount = 8 : 512 byte unit 4749 * RxAggBlockTimeout = 6 4750 * RxAggPageCount = 48 : 128 byte unit 4751 * RxAggPageTimeout = 4 or 6 (absolute time 34ms/(2^6)) 4752 */ 4753 4754 page_thresh = (priv->fops->rx_agg_buf_size / 512); 4755 if (rtl8xxxu_dma_agg_pages >= 0) { 4756 if (rtl8xxxu_dma_agg_pages <= page_thresh) 4757 timeout = page_thresh; 4758 else if (rtl8xxxu_dma_agg_pages <= 6) 4759 dev_err(&priv->udev->dev, 4760 "%s: dma_agg_pages=%i too small, minimum is 6\n", 4761 __func__, rtl8xxxu_dma_agg_pages); 4762 else 4763 dev_err(&priv->udev->dev, 4764 "%s: dma_agg_pages=%i larger than limit %i\n", 4765 __func__, rtl8xxxu_dma_agg_pages, page_thresh); 4766 } 4767 rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH, page_thresh); 4768 /* 4769 * REG_RXDMA_AGG_PG_TH + 1 seems to be the timeout register on 4770 * gen2 chips and rtl8188eu. The rtl8723au seems unhappy if we 4771 * don't set it, so better set both. 4772 */ 4773 timeout = 4; 4774 4775 if (rtl8xxxu_dma_agg_timeout >= 0) { 4776 if (rtl8xxxu_dma_agg_timeout <= 127) 4777 timeout = rtl8xxxu_dma_agg_timeout; 4778 else 4779 dev_err(&priv->udev->dev, 4780 "%s: Invalid dma_agg_timeout: %i\n", 4781 __func__, rtl8xxxu_dma_agg_timeout); 4782 } 4783 4784 rtl8xxxu_write8(priv, REG_RXDMA_AGG_PG_TH + 1, timeout); 4785 rtl8xxxu_write8(priv, REG_USB_DMA_AGG_TO, timeout); 4786 priv->rx_buf_aggregation = 1; 4787 } 4788 4789 static const struct ieee80211_rate rtl8xxxu_legacy_ratetable[] = { 4790 {.bitrate = 10, .hw_value = 0x00,}, 4791 {.bitrate = 20, .hw_value = 0x01,}, 4792 {.bitrate = 55, .hw_value = 0x02,}, 4793 {.bitrate = 110, .hw_value = 0x03,}, 4794 {.bitrate = 60, .hw_value = 0x04,}, 4795 {.bitrate = 90, .hw_value = 0x05,}, 4796 {.bitrate = 120, .hw_value = 0x06,}, 4797 {.bitrate = 180, .hw_value = 0x07,}, 4798 {.bitrate = 240, .hw_value = 0x08,}, 4799 {.bitrate = 360, .hw_value = 0x09,}, 4800 {.bitrate = 480, .hw_value = 0x0a,}, 4801 {.bitrate = 540, .hw_value = 0x0b,}, 4802 }; 4803 4804 static void rtl8xxxu_desc_to_mcsrate(u16 rate, u8 *mcs, u8 *nss) 4805 { 4806 if (rate <= DESC_RATE_54M) 4807 return; 4808 4809 if (rate >= DESC_RATE_MCS0 && rate <= DESC_RATE_MCS15) { 4810 if (rate < DESC_RATE_MCS8) 4811 *nss = 1; 4812 else 4813 *nss = 2; 4814 *mcs = rate - DESC_RATE_MCS0; 4815 } 4816 } 4817 4818 static void rtl8xxxu_set_basic_rates(struct rtl8xxxu_priv *priv, u32 rate_cfg) 4819 { 4820 struct ieee80211_hw *hw = priv->hw; 4821 u32 val32; 4822 u8 rate_idx = 0; 4823 4824 rate_cfg &= RESPONSE_RATE_BITMAP_ALL; 4825 4826 val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); 4827 if (hw->conf.chandef.chan->band == NL80211_BAND_5GHZ) 4828 val32 &= RESPONSE_RATE_RRSR_INIT_5G; 4829 else 4830 val32 &= RESPONSE_RATE_RRSR_INIT_2G; 4831 val32 |= rate_cfg; 4832 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); 4833 4834 dev_dbg(&priv->udev->dev, "%s: rates %08x\n", __func__, rate_cfg); 4835 4836 if (rate_cfg) 4837 rate_idx = __fls(rate_cfg); 4838 4839 rtl8xxxu_write8(priv, REG_INIRTS_RATE_SEL, rate_idx); 4840 } 4841 4842 static u16 4843 rtl8xxxu_wireless_mode(struct ieee80211_hw *hw, struct ieee80211_sta *sta) 4844 { 4845 u16 network_type = WIRELESS_MODE_UNKNOWN; 4846 4847 if (hw->conf.chandef.chan->band == NL80211_BAND_5GHZ) { 4848 if (sta->deflink.vht_cap.vht_supported) 4849 network_type = WIRELESS_MODE_AC; 4850 else if (sta->deflink.ht_cap.ht_supported) 4851 network_type = WIRELESS_MODE_N_5G; 4852 4853 network_type |= WIRELESS_MODE_A; 4854 } else { 4855 if (sta->deflink.vht_cap.vht_supported) 4856 network_type = WIRELESS_MODE_AC; 4857 else if (sta->deflink.ht_cap.ht_supported) 4858 network_type = WIRELESS_MODE_N_24G; 4859 4860 if (sta->deflink.supp_rates[0] <= 0xf) 4861 network_type |= WIRELESS_MODE_B; 4862 else if (sta->deflink.supp_rates[0] & 0xf) 4863 network_type |= (WIRELESS_MODE_B | WIRELESS_MODE_G); 4864 else 4865 network_type |= WIRELESS_MODE_G; 4866 } 4867 4868 return network_type; 4869 } 4870 4871 static void rtl8xxxu_set_aifs(struct rtl8xxxu_priv *priv, u8 slot_time) 4872 { 4873 u32 reg_edca_param[IEEE80211_NUM_ACS] = { 4874 [IEEE80211_AC_VO] = REG_EDCA_VO_PARAM, 4875 [IEEE80211_AC_VI] = REG_EDCA_VI_PARAM, 4876 [IEEE80211_AC_BE] = REG_EDCA_BE_PARAM, 4877 [IEEE80211_AC_BK] = REG_EDCA_BK_PARAM, 4878 }; 4879 u32 val32; 4880 u16 wireless_mode = 0; 4881 u8 aifs, aifsn, sifs; 4882 int i; 4883 4884 for (i = 0; i < ARRAY_SIZE(priv->vifs); i++) { 4885 struct ieee80211_sta *sta; 4886 4887 if (!priv->vifs[i]) 4888 continue; 4889 4890 rcu_read_lock(); 4891 sta = ieee80211_find_sta(priv->vifs[i], priv->vifs[i]->bss_conf.bssid); 4892 if (sta) 4893 wireless_mode = rtl8xxxu_wireless_mode(priv->hw, sta); 4894 rcu_read_unlock(); 4895 4896 if (wireless_mode) 4897 break; 4898 } 4899 4900 if (priv->hw->conf.chandef.chan->band == NL80211_BAND_5GHZ || 4901 (wireless_mode & WIRELESS_MODE_N_24G)) 4902 sifs = 16; 4903 else 4904 sifs = 10; 4905 4906 for (i = 0; i < IEEE80211_NUM_ACS; i++) { 4907 val32 = rtl8xxxu_read32(priv, reg_edca_param[i]); 4908 4909 /* It was set in conf_tx. */ 4910 aifsn = val32 & 0xff; 4911 4912 /* aifsn not set yet or already fixed */ 4913 if (aifsn < 2 || aifsn > 15) 4914 continue; 4915 4916 aifs = aifsn * slot_time + sifs; 4917 4918 val32 &= ~0xff; 4919 val32 |= aifs; 4920 rtl8xxxu_write32(priv, reg_edca_param[i], val32); 4921 } 4922 } 4923 4924 void rtl8xxxu_update_ra_report(struct rtl8xxxu_ra_report *rarpt, 4925 u8 rate, u8 sgi, u8 bw) 4926 { 4927 u8 mcs, nss; 4928 4929 rarpt->txrate.flags = 0; 4930 4931 if (rate <= DESC_RATE_54M) { 4932 rarpt->txrate.legacy = rtl8xxxu_legacy_ratetable[rate].bitrate; 4933 } else { 4934 rtl8xxxu_desc_to_mcsrate(rate, &mcs, &nss); 4935 rarpt->txrate.flags |= RATE_INFO_FLAGS_MCS; 4936 4937 rarpt->txrate.mcs = mcs; 4938 rarpt->txrate.nss = nss; 4939 4940 if (sgi) 4941 rarpt->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; 4942 4943 rarpt->txrate.bw = bw; 4944 } 4945 4946 rarpt->bit_rate = cfg80211_calculate_bitrate(&rarpt->txrate); 4947 rarpt->desc_rate = rate; 4948 } 4949 4950 static void 4951 rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 4952 struct ieee80211_bss_conf *bss_conf, u64 changed) 4953 { 4954 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 4955 struct rtl8xxxu_priv *priv = hw->priv; 4956 struct device *dev = &priv->udev->dev; 4957 struct rtl8xxxu_sta_info *sta_info; 4958 struct ieee80211_sta *sta; 4959 struct rtl8xxxu_ra_report *rarpt; 4960 u8 val8, macid; 4961 u32 val32; 4962 4963 rarpt = &priv->ra_report; 4964 4965 if (changed & BSS_CHANGED_ASSOC) { 4966 dev_dbg(dev, "Changed ASSOC: %i!\n", vif->cfg.assoc); 4967 4968 rtl8xxxu_set_linktype(priv, vif->type, rtlvif->port_num); 4969 4970 if (vif->cfg.assoc) { 4971 u32 ramask; 4972 int sgi = 0; 4973 u8 highest_rate; 4974 u8 bw; 4975 4976 rcu_read_lock(); 4977 sta = ieee80211_find_sta(vif, bss_conf->bssid); 4978 if (!sta) { 4979 dev_info(dev, "%s: ASSOC no sta found\n", 4980 __func__); 4981 rcu_read_unlock(); 4982 goto error; 4983 } 4984 macid = rtl8xxxu_get_macid(priv, sta); 4985 4986 if (sta->deflink.ht_cap.ht_supported) 4987 dev_info(dev, "%s: HT supported\n", __func__); 4988 if (sta->deflink.vht_cap.vht_supported) 4989 dev_info(dev, "%s: VHT supported\n", __func__); 4990 4991 /* TODO: Set bits 28-31 for rate adaptive id */ 4992 ramask = (sta->deflink.supp_rates[0] & 0xfff) | 4993 sta->deflink.ht_cap.mcs.rx_mask[0] << 12 | 4994 sta->deflink.ht_cap.mcs.rx_mask[1] << 20; 4995 if (sta->deflink.ht_cap.cap & 4996 (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20)) 4997 sgi = 1; 4998 4999 highest_rate = fls(ramask) - 1; 5000 if (rtl8xxxu_ht40_2g && 5001 (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) 5002 bw = RATE_INFO_BW_40; 5003 else 5004 bw = RATE_INFO_BW_20; 5005 5006 sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 5007 sta_info->rssi_level = RTL8XXXU_RATR_STA_INIT; 5008 rcu_read_unlock(); 5009 5010 rtl8xxxu_update_ra_report(rarpt, highest_rate, sgi, bw); 5011 5012 priv->fops->update_rate_mask(priv, ramask, 0, sgi, 5013 bw == RATE_INFO_BW_40, macid); 5014 5015 rtl8xxxu_write8(priv, REG_BCN_MAX_ERR, 0xff); 5016 5017 if (rtlvif->port_num == 0) 5018 rtl8xxxu_stop_tx_beacon(priv); 5019 5020 /* joinbss sequence */ 5021 rtl8xxxu_write16(priv, REG_BCN_PSR_RPT, 5022 0xc000 | vif->cfg.aid); 5023 5024 priv->fops->report_connect(priv, 0, H2C_MACID_ROLE_AP, true); 5025 } else { 5026 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 5027 val8 |= BEACON_DISABLE_TSF_UPDATE; 5028 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); 5029 5030 priv->fops->report_connect(priv, 0, H2C_MACID_ROLE_AP, false); 5031 } 5032 } 5033 5034 if (changed & BSS_CHANGED_ERP_PREAMBLE) { 5035 dev_dbg(dev, "Changed ERP_PREAMBLE: Use short preamble %i\n", 5036 bss_conf->use_short_preamble); 5037 val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); 5038 if (bss_conf->use_short_preamble) 5039 val32 |= RSR_ACK_SHORT_PREAMBLE; 5040 else 5041 val32 &= ~RSR_ACK_SHORT_PREAMBLE; 5042 rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); 5043 } 5044 5045 if (changed & BSS_CHANGED_ERP_SLOT) { 5046 dev_dbg(dev, "Changed ERP_SLOT: short_slot_time %i\n", 5047 bss_conf->use_short_slot); 5048 5049 if (bss_conf->use_short_slot) 5050 val8 = 9; 5051 else 5052 val8 = 20; 5053 rtl8xxxu_write8(priv, REG_SLOT, val8); 5054 5055 rtl8xxxu_set_aifs(priv, val8); 5056 } 5057 5058 if (changed & BSS_CHANGED_BSSID) { 5059 dev_dbg(dev, "Changed BSSID!\n"); 5060 rtl8xxxu_set_bssid(priv, bss_conf->bssid, rtlvif->port_num); 5061 } 5062 5063 if (changed & BSS_CHANGED_BASIC_RATES) { 5064 dev_dbg(dev, "Changed BASIC_RATES!\n"); 5065 rtl8xxxu_set_basic_rates(priv, bss_conf->basic_rates); 5066 } 5067 5068 if (changed & BSS_CHANGED_BEACON_ENABLED) { 5069 if (bss_conf->enable_beacon) { 5070 rtl8xxxu_start_tx_beacon(priv); 5071 schedule_delayed_work(&priv->update_beacon_work, 0); 5072 } else { 5073 rtl8xxxu_stop_tx_beacon(priv); 5074 } 5075 } 5076 5077 if (changed & BSS_CHANGED_BEACON) 5078 schedule_delayed_work(&priv->update_beacon_work, 0); 5079 5080 error: 5081 return; 5082 } 5083 5084 static int rtl8xxxu_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 5085 struct ieee80211_bss_conf *link_conf) 5086 { 5087 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 5088 struct rtl8xxxu_priv *priv = hw->priv; 5089 struct device *dev = &priv->udev->dev; 5090 5091 dev_dbg(dev, "Start AP mode\n"); 5092 rtl8xxxu_set_bssid(priv, vif->bss_conf.bssid, rtlvif->port_num); 5093 rtl8xxxu_write16(priv, REG_BCN_INTERVAL, vif->bss_conf.beacon_int); 5094 priv->fops->report_connect(priv, RTL8XXXU_BC_MC_MACID, 0, true); 5095 5096 return 0; 5097 } 5098 5099 static u32 rtl8xxxu_80211_to_rtl_queue(u32 queue) 5100 { 5101 u32 rtlqueue; 5102 5103 switch (queue) { 5104 case IEEE80211_AC_VO: 5105 rtlqueue = TXDESC_QUEUE_VO; 5106 break; 5107 case IEEE80211_AC_VI: 5108 rtlqueue = TXDESC_QUEUE_VI; 5109 break; 5110 case IEEE80211_AC_BE: 5111 rtlqueue = TXDESC_QUEUE_BE; 5112 break; 5113 case IEEE80211_AC_BK: 5114 rtlqueue = TXDESC_QUEUE_BK; 5115 break; 5116 default: 5117 rtlqueue = TXDESC_QUEUE_BE; 5118 } 5119 5120 return rtlqueue; 5121 } 5122 5123 static u32 rtl8xxxu_queue_select(struct ieee80211_hdr *hdr, struct sk_buff *skb) 5124 { 5125 u32 queue; 5126 5127 if (unlikely(ieee80211_is_beacon(hdr->frame_control))) 5128 queue = TXDESC_QUEUE_BEACON; 5129 else if (ieee80211_is_mgmt(hdr->frame_control)) 5130 queue = TXDESC_QUEUE_MGNT; 5131 else 5132 queue = rtl8xxxu_80211_to_rtl_queue(skb_get_queue_mapping(skb)); 5133 5134 return queue; 5135 } 5136 5137 /* 5138 * Despite newer chips 8723b/8812/8821 having a larger TX descriptor 5139 * format. The descriptor checksum is still only calculated over the 5140 * initial 32 bytes of the descriptor! 5141 */ 5142 static void rtl8xxxu_calc_tx_desc_csum(struct rtl8xxxu_txdesc32 *tx_desc) 5143 { 5144 __le16 *ptr = (__le16 *)tx_desc; 5145 u16 csum = 0; 5146 int i; 5147 5148 /* 5149 * Clear csum field before calculation, as the csum field is 5150 * in the middle of the struct. 5151 */ 5152 tx_desc->csum = cpu_to_le16(0); 5153 5154 for (i = 0; i < (sizeof(struct rtl8xxxu_txdesc32) / sizeof(u16)); i++) 5155 csum = csum ^ le16_to_cpu(ptr[i]); 5156 5157 tx_desc->csum |= cpu_to_le16(csum); 5158 } 5159 5160 static void rtl8xxxu_free_tx_resources(struct rtl8xxxu_priv *priv) 5161 { 5162 struct rtl8xxxu_tx_urb *tx_urb, *tmp; 5163 unsigned long flags; 5164 5165 spin_lock_irqsave(&priv->tx_urb_lock, flags); 5166 list_for_each_entry_safe(tx_urb, tmp, &priv->tx_urb_free_list, list) { 5167 list_del(&tx_urb->list); 5168 priv->tx_urb_free_count--; 5169 usb_free_urb(&tx_urb->urb); 5170 } 5171 spin_unlock_irqrestore(&priv->tx_urb_lock, flags); 5172 } 5173 5174 static struct rtl8xxxu_tx_urb * 5175 rtl8xxxu_alloc_tx_urb(struct rtl8xxxu_priv *priv) 5176 { 5177 struct rtl8xxxu_tx_urb *tx_urb; 5178 unsigned long flags; 5179 5180 spin_lock_irqsave(&priv->tx_urb_lock, flags); 5181 tx_urb = list_first_entry_or_null(&priv->tx_urb_free_list, 5182 struct rtl8xxxu_tx_urb, list); 5183 if (tx_urb) { 5184 list_del(&tx_urb->list); 5185 priv->tx_urb_free_count--; 5186 if (priv->tx_urb_free_count < RTL8XXXU_TX_URB_LOW_WATER && 5187 !priv->tx_stopped) { 5188 priv->tx_stopped = true; 5189 ieee80211_stop_queues(priv->hw); 5190 } 5191 } 5192 5193 spin_unlock_irqrestore(&priv->tx_urb_lock, flags); 5194 5195 return tx_urb; 5196 } 5197 5198 static void rtl8xxxu_free_tx_urb(struct rtl8xxxu_priv *priv, 5199 struct rtl8xxxu_tx_urb *tx_urb) 5200 { 5201 unsigned long flags; 5202 5203 INIT_LIST_HEAD(&tx_urb->list); 5204 5205 spin_lock_irqsave(&priv->tx_urb_lock, flags); 5206 5207 list_add(&tx_urb->list, &priv->tx_urb_free_list); 5208 priv->tx_urb_free_count++; 5209 if (priv->tx_urb_free_count > RTL8XXXU_TX_URB_HIGH_WATER && 5210 priv->tx_stopped) { 5211 priv->tx_stopped = false; 5212 ieee80211_wake_queues(priv->hw); 5213 } 5214 5215 spin_unlock_irqrestore(&priv->tx_urb_lock, flags); 5216 } 5217 5218 static void rtl8xxxu_tx_complete(struct urb *urb) 5219 { 5220 struct sk_buff *skb = (struct sk_buff *)urb->context; 5221 struct ieee80211_tx_info *tx_info; 5222 struct ieee80211_hw *hw; 5223 struct rtl8xxxu_priv *priv; 5224 struct rtl8xxxu_tx_urb *tx_urb = 5225 container_of(urb, struct rtl8xxxu_tx_urb, urb); 5226 5227 tx_info = IEEE80211_SKB_CB(skb); 5228 hw = tx_info->rate_driver_data[0]; 5229 priv = hw->priv; 5230 5231 skb_pull(skb, priv->fops->tx_desc_size); 5232 5233 ieee80211_tx_info_clear_status(tx_info); 5234 tx_info->status.rates[0].idx = -1; 5235 tx_info->status.rates[0].count = 0; 5236 5237 if (!urb->status) 5238 tx_info->flags |= IEEE80211_TX_STAT_ACK; 5239 5240 ieee80211_tx_status_irqsafe(hw, skb); 5241 5242 rtl8xxxu_free_tx_urb(priv, tx_urb); 5243 } 5244 5245 static void rtl8xxxu_dump_action(struct device *dev, 5246 struct ieee80211_hdr *hdr) 5247 { 5248 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)hdr; 5249 u16 cap, timeout; 5250 5251 if (!(rtl8xxxu_debug & RTL8XXXU_DEBUG_ACTION)) 5252 return; 5253 5254 switch (mgmt->u.action.u.addba_resp.action_code) { 5255 case WLAN_ACTION_ADDBA_RESP: 5256 cap = le16_to_cpu(mgmt->u.action.u.addba_resp.capab); 5257 timeout = le16_to_cpu(mgmt->u.action.u.addba_resp.timeout); 5258 dev_info(dev, "WLAN_ACTION_ADDBA_RESP: " 5259 "timeout %i, tid %02x, buf_size %02x, policy %02x, " 5260 "status %02x\n", 5261 timeout, 5262 (cap & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2, 5263 (cap & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6, 5264 (cap >> 1) & 0x1, 5265 le16_to_cpu(mgmt->u.action.u.addba_resp.status)); 5266 break; 5267 case WLAN_ACTION_ADDBA_REQ: 5268 cap = le16_to_cpu(mgmt->u.action.u.addba_req.capab); 5269 timeout = le16_to_cpu(mgmt->u.action.u.addba_req.timeout); 5270 dev_info(dev, "WLAN_ACTION_ADDBA_REQ: " 5271 "timeout %i, tid %02x, buf_size %02x, policy %02x\n", 5272 timeout, 5273 (cap & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2, 5274 (cap & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6, 5275 (cap >> 1) & 0x1); 5276 break; 5277 default: 5278 dev_info(dev, "action frame %02x\n", 5279 mgmt->u.action.u.addba_resp.action_code); 5280 break; 5281 } 5282 } 5283 5284 /* 5285 * Fill in v1 (gen1) specific TX descriptor bits. 5286 * This format is used on 8188cu/8192cu/8723au 5287 */ 5288 void 5289 rtl8xxxu_fill_txdesc_v1(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, 5290 struct ieee80211_tx_info *tx_info, 5291 struct rtl8xxxu_txdesc32 *tx_desc, bool sgi, 5292 bool short_preamble, bool ampdu_enable, u32 rts_rate, 5293 u8 macid) 5294 { 5295 struct rtl8xxxu_priv *priv = hw->priv; 5296 struct device *dev = &priv->udev->dev; 5297 u8 *qc = ieee80211_get_qos_ctl(hdr); 5298 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 5299 u32 rate = 0; 5300 u16 seq_number; 5301 5302 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) 5303 dev_info(dev, "%s: TX rate: %d, pkt size %u\n", 5304 __func__, rate, le16_to_cpu(tx_desc->pkt_size)); 5305 5306 seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); 5307 5308 tx_desc->txdw5 = cpu_to_le32(rate); 5309 5310 if (ieee80211_is_data(hdr->frame_control)) 5311 tx_desc->txdw5 |= cpu_to_le32(0x0001ff00); 5312 5313 tx_desc->txdw3 = cpu_to_le32((u32)seq_number << TXDESC32_SEQ_SHIFT); 5314 5315 if (ampdu_enable && test_bit(tid, priv->tid_tx_operational)) 5316 tx_desc->txdw1 |= cpu_to_le32(TXDESC32_AGG_ENABLE); 5317 else 5318 tx_desc->txdw1 |= cpu_to_le32(TXDESC32_AGG_BREAK); 5319 5320 if (ieee80211_is_mgmt(hdr->frame_control)) { 5321 tx_desc->txdw5 = cpu_to_le32(rate); 5322 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE); 5323 tx_desc->txdw5 |= cpu_to_le32(6 << TXDESC32_RETRY_LIMIT_SHIFT); 5324 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_RETRY_LIMIT_ENABLE); 5325 } 5326 5327 if (ieee80211_is_data_qos(hdr->frame_control)) 5328 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_QOS); 5329 5330 if (short_preamble) 5331 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_SHORT_PREAMBLE); 5332 5333 if (sgi) 5334 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_SHORT_GI); 5335 5336 /* 5337 * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled 5338 */ 5339 tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT); 5340 if (ampdu_enable || tx_info->control.use_rts) { 5341 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE); 5342 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); 5343 } else if (tx_info->control.use_cts_prot) { 5344 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE); 5345 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); 5346 } 5347 } 5348 5349 /* 5350 * Fill in v2 (gen2) specific TX descriptor bits. 5351 * This format is used on 8192eu/8723bu 5352 */ 5353 void 5354 rtl8xxxu_fill_txdesc_v2(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, 5355 struct ieee80211_tx_info *tx_info, 5356 struct rtl8xxxu_txdesc32 *tx_desc32, bool sgi, 5357 bool short_preamble, bool ampdu_enable, u32 rts_rate, 5358 u8 macid) 5359 { 5360 struct rtl8xxxu_priv *priv = hw->priv; 5361 struct device *dev = &priv->udev->dev; 5362 struct rtl8xxxu_txdesc40 *tx_desc40; 5363 u8 *qc = ieee80211_get_qos_ctl(hdr); 5364 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 5365 u32 rate = 0; 5366 u16 seq_number; 5367 5368 tx_desc40 = (struct rtl8xxxu_txdesc40 *)tx_desc32; 5369 5370 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) 5371 dev_info(dev, "%s: TX rate: %d, pkt size %u\n", 5372 __func__, rate, le16_to_cpu(tx_desc40->pkt_size)); 5373 5374 tx_desc40->txdw1 |= cpu_to_le32(macid << TXDESC40_MACID_SHIFT); 5375 5376 seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); 5377 5378 tx_desc40->txdw4 = cpu_to_le32(rate); 5379 if (ieee80211_is_data(hdr->frame_control)) { 5380 tx_desc40->txdw4 |= cpu_to_le32(0x1f << 5381 TXDESC40_DATA_RATE_FB_SHIFT); 5382 } 5383 5384 tx_desc40->txdw9 = cpu_to_le32((u32)seq_number << TXDESC40_SEQ_SHIFT); 5385 5386 if (ampdu_enable && test_bit(tid, priv->tid_tx_operational)) 5387 tx_desc40->txdw2 |= cpu_to_le32(TXDESC40_AGG_ENABLE); 5388 else 5389 tx_desc40->txdw2 |= cpu_to_le32(TXDESC40_AGG_BREAK); 5390 5391 if (ieee80211_is_mgmt(hdr->frame_control)) { 5392 tx_desc40->txdw4 = cpu_to_le32(rate); 5393 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_USE_DRIVER_RATE); 5394 tx_desc40->txdw4 |= 5395 cpu_to_le32(6 << TXDESC40_RETRY_LIMIT_SHIFT); 5396 tx_desc40->txdw4 |= cpu_to_le32(TXDESC40_RETRY_LIMIT_ENABLE); 5397 } 5398 5399 if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) 5400 tx_desc40->txdw8 |= cpu_to_le32(TXDESC40_HW_SEQ_ENABLE); 5401 5402 if (short_preamble) 5403 tx_desc40->txdw5 |= cpu_to_le32(TXDESC40_SHORT_PREAMBLE); 5404 5405 tx_desc40->txdw4 |= cpu_to_le32(rts_rate << TXDESC40_RTS_RATE_SHIFT); 5406 5407 /* 5408 * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled 5409 */ 5410 if (ampdu_enable || tx_info->control.use_rts) { 5411 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_RTS_CTS_ENABLE); 5412 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_HW_RTS_ENABLE); 5413 } else if (tx_info->control.use_cts_prot) { 5414 /* 5415 * For some reason the vendor driver doesn't set 5416 * TXDESC40_HW_RTS_ENABLE for CTS to SELF 5417 */ 5418 tx_desc40->txdw3 |= cpu_to_le32(TXDESC40_CTS_SELF_ENABLE); 5419 } 5420 } 5421 5422 /* 5423 * Fill in v3 (gen1) specific TX descriptor bits. 5424 * This format is a hybrid between the v1 and v2 formats, only seen 5425 * on 8188eu devices so far. 5426 */ 5427 void 5428 rtl8xxxu_fill_txdesc_v3(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr, 5429 struct ieee80211_tx_info *tx_info, 5430 struct rtl8xxxu_txdesc32 *tx_desc, bool sgi, 5431 bool short_preamble, bool ampdu_enable, u32 rts_rate, 5432 u8 macid) 5433 { 5434 struct rtl8xxxu_priv *priv = hw->priv; 5435 struct device *dev = &priv->udev->dev; 5436 struct rtl8xxxu_ra_info *ra = &priv->ra_info; 5437 u8 *qc = ieee80211_get_qos_ctl(hdr); 5438 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 5439 u32 rate = 0; 5440 u16 seq_number; 5441 5442 seq_number = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); 5443 5444 if (ieee80211_is_data(hdr->frame_control)) { 5445 rate = ra->decision_rate; 5446 tx_desc->txdw5 = cpu_to_le32(rate); 5447 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE); 5448 tx_desc->txdw4 |= le32_encode_bits(ra->pt_stage, TXDESC32_PT_STAGE_MASK); 5449 /* Data/RTS rate FB limit */ 5450 tx_desc->txdw5 |= cpu_to_le32(0x0001ff00); 5451 } 5452 5453 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_TX) 5454 dev_info(dev, "%s: TX rate: %d, pkt size %d\n", 5455 __func__, rate, le16_to_cpu(tx_desc->pkt_size)); 5456 5457 tx_desc->txdw3 = cpu_to_le32((u32)seq_number << TXDESC32_SEQ_SHIFT); 5458 5459 if (ampdu_enable && test_bit(tid, priv->tid_tx_operational)) 5460 tx_desc->txdw2 |= cpu_to_le32(TXDESC40_AGG_ENABLE); 5461 else 5462 tx_desc->txdw2 |= cpu_to_le32(TXDESC40_AGG_BREAK); 5463 5464 if (ieee80211_is_mgmt(hdr->frame_control)) { 5465 tx_desc->txdw5 = cpu_to_le32(rate); 5466 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_USE_DRIVER_RATE); 5467 tx_desc->txdw5 |= cpu_to_le32(6 << TXDESC32_RETRY_LIMIT_SHIFT); 5468 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_RETRY_LIMIT_ENABLE); 5469 } 5470 5471 if (ieee80211_is_data_qos(hdr->frame_control)) { 5472 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_QOS); 5473 5474 if (conf_is_ht40(&hw->conf)) { 5475 tx_desc->txdw4 |= cpu_to_le32(TXDESC_DATA_BW); 5476 5477 if (conf_is_ht40_minus(&hw->conf)) 5478 tx_desc->txdw4 |= cpu_to_le32(TXDESC_PRIME_CH_OFF_UPPER); 5479 else 5480 tx_desc->txdw4 |= cpu_to_le32(TXDESC_PRIME_CH_OFF_LOWER); 5481 } 5482 } 5483 5484 if (short_preamble) 5485 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_SHORT_PREAMBLE); 5486 5487 if (sgi && ra->rate_sgi) 5488 tx_desc->txdw5 |= cpu_to_le32(TXDESC32_SHORT_GI); 5489 5490 /* 5491 * rts_rate is zero if RTS/CTS or CTS to SELF are not enabled 5492 */ 5493 tx_desc->txdw4 |= cpu_to_le32(rts_rate << TXDESC32_RTS_RATE_SHIFT); 5494 if (ampdu_enable || tx_info->control.use_rts) { 5495 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_RTS_CTS_ENABLE); 5496 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); 5497 } else if (tx_info->control.use_cts_prot) { 5498 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_CTS_SELF_ENABLE); 5499 tx_desc->txdw4 |= cpu_to_le32(TXDESC32_HW_RTS_ENABLE); 5500 } 5501 5502 tx_desc->txdw2 |= cpu_to_le32(TXDESC_ANTENNA_SELECT_A | 5503 TXDESC_ANTENNA_SELECT_B); 5504 tx_desc->txdw7 |= cpu_to_le16(TXDESC_ANTENNA_SELECT_C >> 16); 5505 } 5506 5507 static void rtl8xxxu_tx(struct ieee80211_hw *hw, 5508 struct ieee80211_tx_control *control, 5509 struct sk_buff *skb) 5510 { 5511 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 5512 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); 5513 struct rtl8xxxu_priv *priv = hw->priv; 5514 struct rtl8xxxu_txdesc32 *tx_desc; 5515 struct rtl8xxxu_tx_urb *tx_urb; 5516 struct ieee80211_sta *sta = NULL; 5517 struct ieee80211_vif *vif = tx_info->control.vif; 5518 struct rtl8xxxu_vif *rtlvif = vif ? (struct rtl8xxxu_vif *)vif->drv_priv : NULL; 5519 struct device *dev = &priv->udev->dev; 5520 u32 queue, rts_rate; 5521 u16 pktlen = skb->len; 5522 int tx_desc_size = priv->fops->tx_desc_size; 5523 u8 macid; 5524 int ret; 5525 bool ampdu_enable, sgi = false, short_preamble = false, bmc = false; 5526 5527 if (skb_headroom(skb) < tx_desc_size) { 5528 dev_warn(dev, 5529 "%s: Not enough headroom (%i) for tx descriptor\n", 5530 __func__, skb_headroom(skb)); 5531 goto error; 5532 } 5533 5534 if (unlikely(skb->len > (65535 - tx_desc_size))) { 5535 dev_warn(dev, "%s: Trying to send over-sized skb (%i)\n", 5536 __func__, skb->len); 5537 goto error; 5538 } 5539 5540 tx_urb = rtl8xxxu_alloc_tx_urb(priv); 5541 if (!tx_urb) { 5542 dev_warn(dev, "%s: Unable to allocate tx urb\n", __func__); 5543 goto error; 5544 } 5545 5546 if (ieee80211_is_action(hdr->frame_control)) 5547 rtl8xxxu_dump_action(dev, hdr); 5548 5549 tx_info->rate_driver_data[0] = hw; 5550 5551 if (control && control->sta) 5552 sta = control->sta; 5553 5554 queue = rtl8xxxu_queue_select(hdr, skb); 5555 5556 tx_desc = skb_push(skb, tx_desc_size); 5557 5558 memset(tx_desc, 0, tx_desc_size); 5559 tx_desc->pkt_size = cpu_to_le16(pktlen); 5560 tx_desc->pkt_offset = tx_desc_size; 5561 5562 /* These bits mean different things to the RTL8192F. */ 5563 if (priv->rtl_chip != RTL8192F) 5564 tx_desc->txdw0 = 5565 TXDESC_OWN | TXDESC_FIRST_SEGMENT | TXDESC_LAST_SEGMENT; 5566 if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) || 5567 is_broadcast_ether_addr(ieee80211_get_DA(hdr))) { 5568 tx_desc->txdw0 |= TXDESC_BROADMULTICAST; 5569 bmc = true; 5570 } 5571 5572 5573 tx_desc->txdw1 = cpu_to_le32(queue << TXDESC_QUEUE_SHIFT); 5574 macid = rtl8xxxu_get_macid(priv, sta); 5575 5576 if (tx_info->control.hw_key) { 5577 switch (tx_info->control.hw_key->cipher) { 5578 case WLAN_CIPHER_SUITE_WEP40: 5579 case WLAN_CIPHER_SUITE_WEP104: 5580 case WLAN_CIPHER_SUITE_TKIP: 5581 tx_desc->txdw1 |= cpu_to_le32(TXDESC_SEC_RC4); 5582 break; 5583 case WLAN_CIPHER_SUITE_CCMP: 5584 tx_desc->txdw1 |= cpu_to_le32(TXDESC_SEC_AES); 5585 break; 5586 default: 5587 break; 5588 } 5589 if (bmc && rtlvif && rtlvif->hw_key_idx != 0xff) { 5590 tx_desc->txdw1 |= cpu_to_le32(TXDESC_EN_DESC_ID); 5591 macid = rtlvif->hw_key_idx; 5592 } 5593 } 5594 5595 /* (tx_info->flags & IEEE80211_TX_CTL_AMPDU) && */ 5596 ampdu_enable = false; 5597 if (ieee80211_is_data_qos(hdr->frame_control) && sta) { 5598 if (sta->deflink.ht_cap.ht_supported) { 5599 u32 ampdu, val32; 5600 u8 *qc = ieee80211_get_qos_ctl(hdr); 5601 u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 5602 5603 ampdu = (u32)sta->deflink.ht_cap.ampdu_density; 5604 val32 = ampdu << TXDESC_AMPDU_DENSITY_SHIFT; 5605 tx_desc->txdw2 |= cpu_to_le32(val32); 5606 5607 ampdu_enable = true; 5608 5609 if (!test_bit(tid, priv->tx_aggr_started) && 5610 !(skb->protocol == cpu_to_be16(ETH_P_PAE))) 5611 if (!ieee80211_start_tx_ba_session(sta, tid, 0)) 5612 set_bit(tid, priv->tx_aggr_started); 5613 } 5614 } 5615 5616 if (ieee80211_is_data_qos(hdr->frame_control) && 5617 sta && sta->deflink.ht_cap.cap & 5618 (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20)) 5619 sgi = true; 5620 5621 if (sta && vif && vif->bss_conf.use_short_preamble) 5622 short_preamble = true; 5623 5624 if (skb->len > hw->wiphy->rts_threshold) 5625 tx_info->control.use_rts = true; 5626 5627 if (sta && vif && vif->bss_conf.use_cts_prot) 5628 tx_info->control.use_cts_prot = true; 5629 5630 if (ampdu_enable || tx_info->control.use_rts || 5631 tx_info->control.use_cts_prot) 5632 rts_rate = DESC_RATE_24M; 5633 else 5634 rts_rate = 0; 5635 5636 priv->fops->fill_txdesc(hw, hdr, tx_info, tx_desc, sgi, short_preamble, 5637 ampdu_enable, rts_rate, macid); 5638 5639 rtl8xxxu_calc_tx_desc_csum(tx_desc); 5640 5641 /* avoid zero checksum make tx hang */ 5642 if (priv->rtl_chip == RTL8710B || priv->rtl_chip == RTL8192F) 5643 tx_desc->csum = ~tx_desc->csum; 5644 5645 usb_fill_bulk_urb(&tx_urb->urb, priv->udev, priv->pipe_out[queue], 5646 skb->data, skb->len, rtl8xxxu_tx_complete, skb); 5647 5648 usb_anchor_urb(&tx_urb->urb, &priv->tx_anchor); 5649 ret = usb_submit_urb(&tx_urb->urb, GFP_ATOMIC); 5650 if (ret) { 5651 usb_unanchor_urb(&tx_urb->urb); 5652 rtl8xxxu_free_tx_urb(priv, tx_urb); 5653 goto error; 5654 } 5655 return; 5656 error: 5657 dev_kfree_skb(skb); 5658 } 5659 5660 static void rtl8xxxu_send_beacon_frame(struct ieee80211_hw *hw, 5661 struct ieee80211_vif *vif) 5662 { 5663 struct rtl8xxxu_priv *priv = hw->priv; 5664 struct sk_buff *skb = ieee80211_beacon_get(hw, vif, 0); 5665 struct device *dev = &priv->udev->dev; 5666 int retry; 5667 u8 val8; 5668 5669 /* BCN_VALID, write 1 to clear, cleared by SW */ 5670 val8 = rtl8xxxu_read8(priv, REG_TDECTRL + 2); 5671 val8 |= BIT_BCN_VALID >> 16; 5672 rtl8xxxu_write8(priv, REG_TDECTRL + 2, val8); 5673 5674 /* SW_BCN_SEL - Port0 */ 5675 val8 = rtl8xxxu_read8(priv, REG_DWBCN1_CTRL_8723B + 2); 5676 val8 &= ~(BIT_SW_BCN_SEL >> 16); 5677 rtl8xxxu_write8(priv, REG_DWBCN1_CTRL_8723B + 2, val8); 5678 5679 if (skb) 5680 rtl8xxxu_tx(hw, NULL, skb); 5681 5682 retry = 100; 5683 do { 5684 val8 = rtl8xxxu_read8(priv, REG_TDECTRL + 2); 5685 if (val8 & (BIT_BCN_VALID >> 16)) 5686 break; 5687 usleep_range(10, 20); 5688 } while (--retry); 5689 5690 if (!retry) 5691 dev_err(dev, "%s: Failed to read beacon valid bit\n", __func__); 5692 } 5693 5694 static void rtl8xxxu_update_beacon_work_callback(struct work_struct *work) 5695 { 5696 struct rtl8xxxu_priv *priv = 5697 container_of(work, struct rtl8xxxu_priv, update_beacon_work.work); 5698 struct ieee80211_hw *hw = priv->hw; 5699 struct ieee80211_vif *vif = priv->vifs[0]; 5700 5701 if (!vif) { 5702 WARN_ONCE(true, "no vif to update beacon\n"); 5703 return; 5704 } 5705 5706 if (vif->bss_conf.csa_active) { 5707 if (ieee80211_beacon_cntdwn_is_complete(vif, 0)) { 5708 ieee80211_csa_finish(vif, 0); 5709 return; 5710 } 5711 schedule_delayed_work(&priv->update_beacon_work, 5712 msecs_to_jiffies(vif->bss_conf.beacon_int)); 5713 } 5714 rtl8xxxu_send_beacon_frame(hw, vif); 5715 } 5716 5717 static inline bool rtl8xxxu_is_packet_match_bssid(struct rtl8xxxu_priv *priv, 5718 struct ieee80211_hdr *hdr, 5719 int port_num) 5720 { 5721 return priv->vifs[port_num] && 5722 priv->vifs[port_num]->type == NL80211_IFTYPE_STATION && 5723 priv->vifs[port_num]->cfg.assoc && 5724 ether_addr_equal(priv->vifs[port_num]->bss_conf.bssid, hdr->addr2); 5725 } 5726 5727 static inline bool rtl8xxxu_is_sta_sta(struct rtl8xxxu_priv *priv) 5728 { 5729 return (priv->vifs[0] && priv->vifs[0]->cfg.assoc && 5730 priv->vifs[0]->type == NL80211_IFTYPE_STATION) && 5731 (priv->vifs[1] && priv->vifs[1]->cfg.assoc && 5732 priv->vifs[1]->type == NL80211_IFTYPE_STATION); 5733 } 5734 5735 void rtl8723au_rx_parse_phystats(struct rtl8xxxu_priv *priv, 5736 struct ieee80211_rx_status *rx_status, 5737 struct rtl8723au_phy_stats *phy_stats, 5738 u32 rxmcs, struct ieee80211_hdr *hdr, 5739 bool crc_icv_err) 5740 { 5741 if (phy_stats->sgi_en) 5742 rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; 5743 5744 if (rxmcs < DESC_RATE_6M) { 5745 /* 5746 * Handle PHY stats for CCK rates 5747 */ 5748 rx_status->signal = priv->fops->cck_rssi(priv, phy_stats); 5749 } else { 5750 bool parse_cfo = priv->fops->set_crystal_cap && 5751 !crc_icv_err && 5752 !ieee80211_is_ctl(hdr->frame_control) && 5753 !rtl8xxxu_is_sta_sta(priv) && 5754 (rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) || 5755 rtl8xxxu_is_packet_match_bssid(priv, hdr, 1)); 5756 5757 if (parse_cfo) { 5758 priv->cfo_tracking.cfo_tail[0] = phy_stats->path_cfotail[0]; 5759 priv->cfo_tracking.cfo_tail[1] = phy_stats->path_cfotail[1]; 5760 5761 priv->cfo_tracking.packet_count++; 5762 } 5763 5764 rx_status->signal = 5765 (phy_stats->cck_sig_qual_ofdm_pwdb_all >> 1) - 110; 5766 } 5767 } 5768 5769 static void jaguar2_rx_parse_phystats_type0(struct rtl8xxxu_priv *priv, 5770 struct ieee80211_rx_status *rx_status, 5771 struct jaguar2_phy_stats_type0 *phy_stats0, 5772 u32 rxmcs, struct ieee80211_hdr *hdr, 5773 bool crc_icv_err) 5774 { 5775 s8 rx_power = phy_stats0->pwdb - 110; 5776 5777 if (!priv->cck_new_agc) 5778 rx_power = priv->fops->cck_rssi(priv, (struct rtl8723au_phy_stats *)phy_stats0); 5779 5780 rx_status->signal = rx_power; 5781 } 5782 5783 static void jaguar2_rx_parse_phystats_type1(struct rtl8xxxu_priv *priv, 5784 struct ieee80211_rx_status *rx_status, 5785 struct jaguar2_phy_stats_type1 *phy_stats1, 5786 u32 rxmcs, struct ieee80211_hdr *hdr, 5787 bool crc_icv_err) 5788 { 5789 bool parse_cfo = priv->fops->set_crystal_cap && 5790 !crc_icv_err && 5791 !ieee80211_is_ctl(hdr->frame_control) && 5792 !rtl8xxxu_is_sta_sta(priv) && 5793 (rtl8xxxu_is_packet_match_bssid(priv, hdr, 0) || 5794 rtl8xxxu_is_packet_match_bssid(priv, hdr, 1)); 5795 u8 pwdb_max = 0; 5796 int rx_path; 5797 5798 if (parse_cfo) { 5799 /* Only path-A and path-B have CFO tail and short CFO */ 5800 priv->cfo_tracking.cfo_tail[RF_A] = phy_stats1->cfo_tail[RF_A]; 5801 priv->cfo_tracking.cfo_tail[RF_B] = phy_stats1->cfo_tail[RF_B]; 5802 5803 priv->cfo_tracking.packet_count++; 5804 } 5805 5806 for (rx_path = 0; rx_path < priv->rx_paths; rx_path++) 5807 pwdb_max = max(pwdb_max, phy_stats1->pwdb[rx_path]); 5808 5809 rx_status->signal = pwdb_max - 110; 5810 } 5811 5812 static void jaguar2_rx_parse_phystats_type2(struct rtl8xxxu_priv *priv, 5813 struct ieee80211_rx_status *rx_status, 5814 struct jaguar2_phy_stats_type2 *phy_stats2, 5815 u32 rxmcs, struct ieee80211_hdr *hdr, 5816 bool crc_icv_err) 5817 { 5818 u8 pwdb_max = 0; 5819 int rx_path; 5820 5821 for (rx_path = 0; rx_path < priv->rx_paths; rx_path++) 5822 pwdb_max = max(pwdb_max, phy_stats2->pwdb[rx_path]); 5823 5824 rx_status->signal = pwdb_max - 110; 5825 } 5826 5827 void jaguar2_rx_parse_phystats(struct rtl8xxxu_priv *priv, 5828 struct ieee80211_rx_status *rx_status, 5829 struct rtl8723au_phy_stats *phy_stats, 5830 u32 rxmcs, struct ieee80211_hdr *hdr, 5831 bool crc_icv_err) 5832 { 5833 struct jaguar2_phy_stats_type0 *phy_stats0 = (struct jaguar2_phy_stats_type0 *)phy_stats; 5834 struct jaguar2_phy_stats_type1 *phy_stats1 = (struct jaguar2_phy_stats_type1 *)phy_stats; 5835 struct jaguar2_phy_stats_type2 *phy_stats2 = (struct jaguar2_phy_stats_type2 *)phy_stats; 5836 5837 switch (phy_stats0->page_num) { 5838 case 0: 5839 /* CCK */ 5840 jaguar2_rx_parse_phystats_type0(priv, rx_status, phy_stats0, 5841 rxmcs, hdr, crc_icv_err); 5842 break; 5843 case 1: 5844 /* OFDM */ 5845 jaguar2_rx_parse_phystats_type1(priv, rx_status, phy_stats1, 5846 rxmcs, hdr, crc_icv_err); 5847 break; 5848 case 2: 5849 /* Also OFDM but different (how?) */ 5850 jaguar2_rx_parse_phystats_type2(priv, rx_status, phy_stats2, 5851 rxmcs, hdr, crc_icv_err); 5852 break; 5853 default: 5854 return; 5855 } 5856 } 5857 5858 static void rtl8xxxu_free_rx_resources(struct rtl8xxxu_priv *priv) 5859 { 5860 struct rtl8xxxu_rx_urb *rx_urb, *tmp; 5861 unsigned long flags; 5862 5863 spin_lock_irqsave(&priv->rx_urb_lock, flags); 5864 5865 list_for_each_entry_safe(rx_urb, tmp, 5866 &priv->rx_urb_pending_list, list) { 5867 list_del(&rx_urb->list); 5868 priv->rx_urb_pending_count--; 5869 usb_free_urb(&rx_urb->urb); 5870 } 5871 5872 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 5873 } 5874 5875 static void rtl8xxxu_queue_rx_urb(struct rtl8xxxu_priv *priv, 5876 struct rtl8xxxu_rx_urb *rx_urb) 5877 { 5878 struct sk_buff *skb; 5879 unsigned long flags; 5880 int pending = 0; 5881 5882 spin_lock_irqsave(&priv->rx_urb_lock, flags); 5883 5884 if (!priv->shutdown) { 5885 list_add_tail(&rx_urb->list, &priv->rx_urb_pending_list); 5886 priv->rx_urb_pending_count++; 5887 pending = priv->rx_urb_pending_count; 5888 } else { 5889 skb = (struct sk_buff *)rx_urb->urb.context; 5890 dev_kfree_skb_irq(skb); 5891 usb_free_urb(&rx_urb->urb); 5892 } 5893 5894 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 5895 5896 if (pending > RTL8XXXU_RX_URB_PENDING_WATER) 5897 schedule_work(&priv->rx_urb_wq); 5898 } 5899 5900 static void rtl8xxxu_rx_urb_work(struct work_struct *work) 5901 { 5902 struct rtl8xxxu_priv *priv; 5903 struct rtl8xxxu_rx_urb *rx_urb, *tmp; 5904 struct list_head local; 5905 struct sk_buff *skb; 5906 unsigned long flags; 5907 int ret; 5908 5909 priv = container_of(work, struct rtl8xxxu_priv, rx_urb_wq); 5910 INIT_LIST_HEAD(&local); 5911 5912 spin_lock_irqsave(&priv->rx_urb_lock, flags); 5913 5914 list_splice_init(&priv->rx_urb_pending_list, &local); 5915 priv->rx_urb_pending_count = 0; 5916 5917 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 5918 5919 list_for_each_entry_safe(rx_urb, tmp, &local, list) { 5920 list_del_init(&rx_urb->list); 5921 ret = rtl8xxxu_submit_rx_urb(priv, rx_urb); 5922 /* 5923 * If out of memory or temporary error, put it back on the 5924 * queue and try again. Otherwise the device is dead/gone 5925 * and we should drop it. 5926 */ 5927 switch (ret) { 5928 case 0: 5929 break; 5930 case -ENOMEM: 5931 case -EAGAIN: 5932 rtl8xxxu_queue_rx_urb(priv, rx_urb); 5933 break; 5934 default: 5935 dev_warn(&priv->udev->dev, 5936 "failed to requeue urb with error %i\n", ret); 5937 skb = (struct sk_buff *)rx_urb->urb.context; 5938 dev_kfree_skb(skb); 5939 usb_free_urb(&rx_urb->urb); 5940 } 5941 } 5942 } 5943 5944 /* 5945 * The RTL8723BU/RTL8192EU vendor driver use coexistence table type 5946 * 0-7 to represent writing different combinations of register values 5947 * to REG_BT_COEX_TABLEs. It's for different kinds of coexistence use 5948 * cases which Realtek doesn't provide detail for these settings. Keep 5949 * this aligned with vendor driver for easier maintenance. 5950 */ 5951 static 5952 void rtl8723bu_set_coex_with_type(struct rtl8xxxu_priv *priv, u8 type) 5953 { 5954 switch (type) { 5955 case 0: 5956 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555); 5957 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x55555555); 5958 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5959 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5960 break; 5961 case 1: 5962 case 3: 5963 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555); 5964 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x5a5a5a5a); 5965 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5966 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5967 break; 5968 case 2: 5969 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x5a5a5a5a); 5970 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0x5a5a5a5a); 5971 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5972 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5973 break; 5974 case 4: 5975 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x5a5a5a5a); 5976 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaaaa5a5a); 5977 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5978 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5979 break; 5980 case 5: 5981 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x5a5a5a5a); 5982 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaa5a5a5a); 5983 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5984 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5985 break; 5986 case 6: 5987 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0x55555555); 5988 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaaaaaaaa); 5989 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5990 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5991 break; 5992 case 7: 5993 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE1, 0xaaaaaaaa); 5994 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE2, 0xaaaaaaaa); 5995 rtl8xxxu_write32(priv, REG_BT_COEX_TABLE3, 0x00ffffff); 5996 rtl8xxxu_write8(priv, REG_BT_COEX_TABLE4, 0x03); 5997 break; 5998 default: 5999 break; 6000 } 6001 } 6002 6003 static 6004 void rtl8723bu_update_bt_link_info(struct rtl8xxxu_priv *priv, u8 bt_info) 6005 { 6006 struct rtl8xxxu_btcoex *btcoex = &priv->bt_coex; 6007 6008 if (bt_info & BT_INFO_8723B_1ANT_B_INQ_PAGE) 6009 btcoex->c2h_bt_inquiry = true; 6010 else 6011 btcoex->c2h_bt_inquiry = false; 6012 6013 if (!(bt_info & BT_INFO_8723B_1ANT_B_CONNECTION)) { 6014 btcoex->bt_status = BT_8723B_1ANT_STATUS_NON_CONNECTED_IDLE; 6015 btcoex->has_sco = false; 6016 btcoex->has_hid = false; 6017 btcoex->has_pan = false; 6018 btcoex->has_a2dp = false; 6019 } else { 6020 if ((bt_info & 0x1f) == BT_INFO_8723B_1ANT_B_CONNECTION) 6021 btcoex->bt_status = BT_8723B_1ANT_STATUS_CONNECTED_IDLE; 6022 else if ((bt_info & BT_INFO_8723B_1ANT_B_SCO_ESCO) || 6023 (bt_info & BT_INFO_8723B_1ANT_B_SCO_BUSY)) 6024 btcoex->bt_status = BT_8723B_1ANT_STATUS_SCO_BUSY; 6025 else if (bt_info & BT_INFO_8723B_1ANT_B_ACL_BUSY) 6026 btcoex->bt_status = BT_8723B_1ANT_STATUS_ACL_BUSY; 6027 else 6028 btcoex->bt_status = BT_8723B_1ANT_STATUS_MAX; 6029 6030 if (bt_info & BT_INFO_8723B_1ANT_B_FTP) 6031 btcoex->has_pan = true; 6032 else 6033 btcoex->has_pan = false; 6034 6035 if (bt_info & BT_INFO_8723B_1ANT_B_A2DP) 6036 btcoex->has_a2dp = true; 6037 else 6038 btcoex->has_a2dp = false; 6039 6040 if (bt_info & BT_INFO_8723B_1ANT_B_HID) 6041 btcoex->has_hid = true; 6042 else 6043 btcoex->has_hid = false; 6044 6045 if (bt_info & BT_INFO_8723B_1ANT_B_SCO_ESCO) 6046 btcoex->has_sco = true; 6047 else 6048 btcoex->has_sco = false; 6049 } 6050 6051 if (!btcoex->has_a2dp && !btcoex->has_sco && 6052 !btcoex->has_pan && btcoex->has_hid) 6053 btcoex->hid_only = true; 6054 else 6055 btcoex->hid_only = false; 6056 6057 if (!btcoex->has_sco && !btcoex->has_pan && 6058 !btcoex->has_hid && btcoex->has_a2dp) 6059 btcoex->has_a2dp = true; 6060 else 6061 btcoex->has_a2dp = false; 6062 6063 if (btcoex->bt_status == BT_8723B_1ANT_STATUS_SCO_BUSY || 6064 btcoex->bt_status == BT_8723B_1ANT_STATUS_ACL_BUSY) 6065 btcoex->bt_busy = true; 6066 else 6067 btcoex->bt_busy = false; 6068 } 6069 6070 static inline bool rtl8xxxu_is_assoc(struct rtl8xxxu_priv *priv) 6071 { 6072 return (priv->vifs[0] && priv->vifs[0]->cfg.assoc) || 6073 (priv->vifs[1] && priv->vifs[1]->cfg.assoc); 6074 } 6075 6076 static 6077 void rtl8723bu_handle_bt_inquiry(struct rtl8xxxu_priv *priv) 6078 { 6079 struct rtl8xxxu_btcoex *btcoex; 6080 6081 btcoex = &priv->bt_coex; 6082 6083 if (!rtl8xxxu_is_assoc(priv)) { 6084 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0); 6085 rtl8723bu_set_coex_with_type(priv, 0); 6086 } else if (btcoex->has_sco || btcoex->has_hid || btcoex->has_a2dp) { 6087 rtl8723bu_set_ps_tdma(priv, 0x61, 0x35, 0x3, 0x11, 0x11); 6088 rtl8723bu_set_coex_with_type(priv, 4); 6089 } else if (btcoex->has_pan) { 6090 rtl8723bu_set_ps_tdma(priv, 0x61, 0x3f, 0x3, 0x11, 0x11); 6091 rtl8723bu_set_coex_with_type(priv, 4); 6092 } else { 6093 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0); 6094 rtl8723bu_set_coex_with_type(priv, 7); 6095 } 6096 } 6097 6098 static 6099 void rtl8723bu_handle_bt_info(struct rtl8xxxu_priv *priv) 6100 { 6101 struct rtl8xxxu_btcoex *btcoex; 6102 6103 btcoex = &priv->bt_coex; 6104 6105 if (rtl8xxxu_is_assoc(priv)) { 6106 u32 val32 = 0; 6107 u32 high_prio_tx = 0, high_prio_rx = 0; 6108 6109 val32 = rtl8xxxu_read32(priv, 0x770); 6110 high_prio_tx = val32 & 0x0000ffff; 6111 high_prio_rx = (val32 & 0xffff0000) >> 16; 6112 6113 if (btcoex->bt_busy) { 6114 if (btcoex->hid_only) { 6115 rtl8723bu_set_ps_tdma(priv, 0x61, 0x20, 6116 0x3, 0x11, 0x11); 6117 rtl8723bu_set_coex_with_type(priv, 5); 6118 } else if (btcoex->a2dp_only) { 6119 rtl8723bu_set_ps_tdma(priv, 0x61, 0x35, 6120 0x3, 0x11, 0x11); 6121 rtl8723bu_set_coex_with_type(priv, 4); 6122 } else if ((btcoex->has_a2dp && btcoex->has_pan) || 6123 (btcoex->has_hid && btcoex->has_a2dp && 6124 btcoex->has_pan)) { 6125 rtl8723bu_set_ps_tdma(priv, 0x51, 0x21, 6126 0x3, 0x10, 0x10); 6127 rtl8723bu_set_coex_with_type(priv, 4); 6128 } else if (btcoex->has_hid && btcoex->has_a2dp) { 6129 rtl8723bu_set_ps_tdma(priv, 0x51, 0x21, 6130 0x3, 0x10, 0x10); 6131 rtl8723bu_set_coex_with_type(priv, 3); 6132 } else { 6133 rtl8723bu_set_ps_tdma(priv, 0x61, 0x35, 6134 0x3, 0x11, 0x11); 6135 rtl8723bu_set_coex_with_type(priv, 4); 6136 } 6137 } else { 6138 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0); 6139 if (high_prio_tx + high_prio_rx <= 60) 6140 rtl8723bu_set_coex_with_type(priv, 2); 6141 else 6142 rtl8723bu_set_coex_with_type(priv, 7); 6143 } 6144 } else { 6145 rtl8723bu_set_ps_tdma(priv, 0x8, 0x0, 0x0, 0x0, 0x0); 6146 rtl8723bu_set_coex_with_type(priv, 0); 6147 } 6148 } 6149 6150 static void rtl8xxxu_c2hcmd_callback(struct work_struct *work) 6151 { 6152 struct rtl8xxxu_priv *priv; 6153 struct rtl8723bu_c2h *c2h; 6154 struct sk_buff *skb = NULL; 6155 u8 bt_info = 0; 6156 struct rtl8xxxu_btcoex *btcoex; 6157 struct rtl8xxxu_ra_report *rarpt; 6158 u8 bw; 6159 6160 priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work); 6161 btcoex = &priv->bt_coex; 6162 rarpt = &priv->ra_report; 6163 6164 while (!skb_queue_empty(&priv->c2hcmd_queue)) { 6165 skb = skb_dequeue(&priv->c2hcmd_queue); 6166 6167 c2h = (struct rtl8723bu_c2h *)skb->data; 6168 6169 switch (c2h->id) { 6170 case C2H_8723B_BT_INFO: 6171 bt_info = c2h->bt_info.bt_info; 6172 6173 rtl8723bu_update_bt_link_info(priv, bt_info); 6174 if (btcoex->c2h_bt_inquiry) { 6175 rtl8723bu_handle_bt_inquiry(priv); 6176 break; 6177 } 6178 rtl8723bu_handle_bt_info(priv); 6179 break; 6180 case C2H_8723B_RA_REPORT: 6181 bw = rarpt->txrate.bw; 6182 6183 if (skb->len >= offsetofend(typeof(*c2h), ra_report.bw)) { 6184 if (c2h->ra_report.bw == RTL8XXXU_CHANNEL_WIDTH_40) 6185 bw = RATE_INFO_BW_40; 6186 else 6187 bw = RATE_INFO_BW_20; 6188 } 6189 6190 rtl8xxxu_update_ra_report(rarpt, c2h->ra_report.rate, 6191 c2h->ra_report.sgi, bw); 6192 break; 6193 default: 6194 break; 6195 } 6196 6197 dev_kfree_skb(skb); 6198 } 6199 } 6200 6201 static void rtl8723bu_handle_c2h(struct rtl8xxxu_priv *priv, 6202 struct sk_buff *skb) 6203 { 6204 struct rtl8723bu_c2h *c2h = (struct rtl8723bu_c2h *)skb->data; 6205 struct device *dev = &priv->udev->dev; 6206 int len; 6207 6208 len = skb->len - 2; 6209 6210 dev_dbg(dev, "C2H ID %02x seq %02x, len %02x source %02x\n", 6211 c2h->id, c2h->seq, len, c2h->bt_info.response_source); 6212 6213 switch(c2h->id) { 6214 case C2H_8723B_BT_INFO: 6215 if (c2h->bt_info.response_source > 6216 BT_INFO_SRC_8723B_BT_ACTIVE_SEND) 6217 dev_dbg(dev, "C2H_BT_INFO WiFi only firmware\n"); 6218 else 6219 dev_dbg(dev, "C2H_BT_INFO BT/WiFi coexist firmware\n"); 6220 6221 if (c2h->bt_info.bt_has_reset) 6222 dev_dbg(dev, "BT has been reset\n"); 6223 if (c2h->bt_info.tx_rx_mask) 6224 dev_dbg(dev, "BT TRx mask\n"); 6225 6226 break; 6227 case C2H_8723B_BT_MP_INFO: 6228 dev_dbg(dev, "C2H_MP_INFO ext ID %02x, status %02x\n", 6229 c2h->bt_mp_info.ext_id, c2h->bt_mp_info.status); 6230 break; 6231 case C2H_8723B_RA_REPORT: 6232 dev_dbg(dev, 6233 "C2H RA RPT: rate %02x, unk %i, macid %02x, noise %i\n", 6234 c2h->ra_report.rate, c2h->ra_report.sgi, 6235 c2h->ra_report.macid, c2h->ra_report.noisy_state); 6236 break; 6237 default: 6238 dev_info(dev, "Unhandled C2H event %02x seq %02x\n", 6239 c2h->id, c2h->seq); 6240 print_hex_dump(KERN_INFO, "C2H content: ", DUMP_PREFIX_NONE, 6241 16, 1, c2h->raw.payload, len, false); 6242 break; 6243 } 6244 6245 skb_queue_tail(&priv->c2hcmd_queue, skb); 6246 6247 schedule_work(&priv->c2hcmd_work); 6248 } 6249 6250 static void rtl8188e_c2hcmd_callback(struct work_struct *work) 6251 { 6252 struct rtl8xxxu_priv *priv = container_of(work, struct rtl8xxxu_priv, c2hcmd_work); 6253 struct device *dev = &priv->udev->dev; 6254 struct sk_buff *skb = NULL; 6255 struct rtl8xxxu_rxdesc16 *rx_desc; 6256 6257 while (!skb_queue_empty(&priv->c2hcmd_queue)) { 6258 skb = skb_dequeue(&priv->c2hcmd_queue); 6259 6260 rx_desc = (struct rtl8xxxu_rxdesc16 *)(skb->data - sizeof(struct rtl8xxxu_rxdesc16)); 6261 6262 switch (rx_desc->rpt_sel) { 6263 case 1: 6264 dev_dbg(dev, "C2H TX report type 1\n"); 6265 6266 break; 6267 case 2: 6268 dev_dbg(dev, "C2H TX report type 2\n"); 6269 6270 rtl8188e_handle_ra_tx_report2(priv, skb); 6271 6272 break; 6273 case 3: 6274 dev_dbg(dev, "C2H USB interrupt report\n"); 6275 6276 break; 6277 default: 6278 dev_warn(dev, "%s: rpt_sel should not be %d\n", 6279 __func__, rx_desc->rpt_sel); 6280 6281 break; 6282 } 6283 6284 dev_kfree_skb(skb); 6285 } 6286 } 6287 6288 #define rtl8xxxu_iterate_vifs_atomic(priv, iterator, data) \ 6289 ieee80211_iterate_active_interfaces_atomic((priv)->hw, \ 6290 IEEE80211_IFACE_ITER_NORMAL, iterator, data) 6291 6292 struct rtl8xxxu_rx_update_rssi_data { 6293 struct rtl8xxxu_priv *priv; 6294 struct ieee80211_hdr *hdr; 6295 struct ieee80211_rx_status *rx_status; 6296 u8 *bssid; 6297 }; 6298 6299 static void rtl8xxxu_rx_update_rssi_iter(void *data, u8 *mac, 6300 struct ieee80211_vif *vif) 6301 { 6302 struct rtl8xxxu_rx_update_rssi_data *iter_data = data; 6303 struct ieee80211_sta *sta; 6304 struct ieee80211_hdr *hdr = iter_data->hdr; 6305 struct rtl8xxxu_priv *priv = iter_data->priv; 6306 struct rtl8xxxu_sta_info *sta_info; 6307 struct ieee80211_rx_status *rx_status = iter_data->rx_status; 6308 u8 *bssid = iter_data->bssid; 6309 6310 if (!ether_addr_equal(vif->bss_conf.bssid, bssid)) 6311 return; 6312 6313 if (!(ether_addr_equal(vif->addr, hdr->addr1) || 6314 ieee80211_is_beacon(hdr->frame_control))) 6315 return; 6316 6317 sta = ieee80211_find_sta_by_ifaddr(priv->hw, hdr->addr2, 6318 vif->addr); 6319 if (!sta) 6320 return; 6321 6322 sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 6323 ewma_rssi_add(&sta_info->avg_rssi, -rx_status->signal); 6324 } 6325 6326 static inline u8 *get_hdr_bssid(struct ieee80211_hdr *hdr) 6327 { 6328 __le16 fc = hdr->frame_control; 6329 u8 *bssid; 6330 6331 if (ieee80211_has_tods(fc)) 6332 bssid = hdr->addr1; 6333 else if (ieee80211_has_fromds(fc)) 6334 bssid = hdr->addr2; 6335 else 6336 bssid = hdr->addr3; 6337 6338 return bssid; 6339 } 6340 6341 static void rtl8xxxu_rx_update_rssi(struct rtl8xxxu_priv *priv, 6342 struct ieee80211_rx_status *rx_status, 6343 struct ieee80211_hdr *hdr) 6344 { 6345 struct rtl8xxxu_rx_update_rssi_data data = {}; 6346 6347 if (ieee80211_is_ctl(hdr->frame_control)) 6348 return; 6349 6350 data.priv = priv; 6351 data.hdr = hdr; 6352 data.rx_status = rx_status; 6353 data.bssid = get_hdr_bssid(hdr); 6354 6355 rtl8xxxu_iterate_vifs_atomic(priv, rtl8xxxu_rx_update_rssi_iter, &data); 6356 } 6357 6358 int rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv *priv, struct sk_buff *skb) 6359 { 6360 struct ieee80211_hw *hw = priv->hw; 6361 struct ieee80211_rx_status *rx_status; 6362 struct rtl8xxxu_rxdesc16 *rx_desc; 6363 struct rtl8723au_phy_stats *phy_stats; 6364 struct sk_buff *next_skb = NULL; 6365 __le32 *_rx_desc_le; 6366 u32 *_rx_desc; 6367 int drvinfo_sz, desc_shift; 6368 int i, pkt_cnt, pkt_len, urb_len, pkt_offset; 6369 6370 urb_len = skb->len; 6371 pkt_cnt = 0; 6372 6373 if (urb_len < sizeof(struct rtl8xxxu_rxdesc16)) { 6374 kfree_skb(skb); 6375 return RX_TYPE_ERROR; 6376 } 6377 6378 do { 6379 rx_desc = (struct rtl8xxxu_rxdesc16 *)skb->data; 6380 _rx_desc_le = (__le32 *)skb->data; 6381 _rx_desc = (u32 *)skb->data; 6382 6383 for (i = 0; 6384 i < (sizeof(struct rtl8xxxu_rxdesc16) / sizeof(u32)); i++) 6385 _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]); 6386 6387 /* 6388 * Only read pkt_cnt from the header if we're parsing the 6389 * first packet 6390 */ 6391 if (!pkt_cnt) 6392 pkt_cnt = rx_desc->pkt_cnt; 6393 pkt_len = rx_desc->pktlen; 6394 6395 drvinfo_sz = rx_desc->drvinfo_sz * 8; 6396 desc_shift = rx_desc->shift; 6397 pkt_offset = roundup(pkt_len + drvinfo_sz + desc_shift + 6398 sizeof(struct rtl8xxxu_rxdesc16), 128); 6399 6400 /* 6401 * Only clone the skb if there's enough data at the end to 6402 * at least cover the rx descriptor 6403 */ 6404 if (pkt_cnt > 1 && 6405 urb_len >= (pkt_offset + sizeof(struct rtl8xxxu_rxdesc16))) 6406 next_skb = skb_clone(skb, GFP_ATOMIC); 6407 6408 rx_status = IEEE80211_SKB_RXCB(skb); 6409 memset(rx_status, 0, sizeof(struct ieee80211_rx_status)); 6410 6411 skb_pull(skb, sizeof(struct rtl8xxxu_rxdesc16)); 6412 6413 if (rx_desc->rpt_sel) { 6414 skb_queue_tail(&priv->c2hcmd_queue, skb); 6415 schedule_work(&priv->c2hcmd_work); 6416 } else { 6417 struct ieee80211_hdr *hdr; 6418 6419 phy_stats = (struct rtl8723au_phy_stats *)skb->data; 6420 6421 skb_pull(skb, drvinfo_sz + desc_shift); 6422 6423 skb_trim(skb, pkt_len); 6424 6425 hdr = (struct ieee80211_hdr *)skb->data; 6426 if (rx_desc->phy_stats) { 6427 priv->fops->parse_phystats( 6428 priv, rx_status, phy_stats, 6429 rx_desc->rxmcs, 6430 hdr, 6431 rx_desc->crc32 || rx_desc->icverr); 6432 if (!rx_desc->crc32 && !rx_desc->icverr) 6433 rtl8xxxu_rx_update_rssi(priv, 6434 rx_status, 6435 hdr); 6436 } 6437 6438 rx_status->mactime = rx_desc->tsfl; 6439 rx_status->flag |= RX_FLAG_MACTIME_START; 6440 6441 if (!rx_desc->swdec && 6442 rx_desc->security != RX_DESC_ENC_NONE) 6443 rx_status->flag |= RX_FLAG_DECRYPTED; 6444 if (rx_desc->crc32) 6445 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 6446 if (rx_desc->bw) 6447 rx_status->bw = RATE_INFO_BW_40; 6448 6449 if (rx_desc->rxht) { 6450 rx_status->encoding = RX_ENC_HT; 6451 rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0; 6452 } else { 6453 rx_status->rate_idx = rx_desc->rxmcs; 6454 } 6455 6456 rx_status->freq = hw->conf.chandef.chan->center_freq; 6457 rx_status->band = hw->conf.chandef.chan->band; 6458 6459 ieee80211_rx_irqsafe(hw, skb); 6460 } 6461 6462 skb = next_skb; 6463 if (skb) 6464 skb_pull(next_skb, pkt_offset); 6465 6466 pkt_cnt--; 6467 urb_len -= pkt_offset; 6468 next_skb = NULL; 6469 } while (skb && pkt_cnt > 0 && 6470 urb_len >= sizeof(struct rtl8xxxu_rxdesc16)); 6471 6472 return RX_TYPE_DATA_PKT; 6473 } 6474 6475 int rtl8xxxu_parse_rxdesc24(struct rtl8xxxu_priv *priv, struct sk_buff *skb) 6476 { 6477 struct ieee80211_hw *hw = priv->hw; 6478 struct ieee80211_rx_status *rx_status; 6479 struct rtl8xxxu_rxdesc24 *rx_desc; 6480 struct rtl8723au_phy_stats *phy_stats; 6481 struct sk_buff *next_skb = NULL; 6482 __le32 *_rx_desc_le; 6483 u32 *_rx_desc; 6484 int drvinfo_sz, desc_shift; 6485 int i, pkt_len, urb_len, pkt_offset; 6486 6487 urb_len = skb->len; 6488 6489 if (urb_len < sizeof(struct rtl8xxxu_rxdesc24)) { 6490 kfree_skb(skb); 6491 return RX_TYPE_ERROR; 6492 } 6493 6494 do { 6495 rx_desc = (struct rtl8xxxu_rxdesc24 *)skb->data; 6496 _rx_desc_le = (__le32 *)skb->data; 6497 _rx_desc = (u32 *)skb->data; 6498 6499 for (i = 0; i < (sizeof(struct rtl8xxxu_rxdesc24) / sizeof(u32)); i++) 6500 _rx_desc[i] = le32_to_cpu(_rx_desc_le[i]); 6501 6502 pkt_len = rx_desc->pktlen; 6503 6504 drvinfo_sz = rx_desc->drvinfo_sz * 8; 6505 desc_shift = rx_desc->shift; 6506 pkt_offset = roundup(pkt_len + drvinfo_sz + desc_shift + 6507 sizeof(struct rtl8xxxu_rxdesc24), 8); 6508 6509 /* 6510 * Only clone the skb if there's enough data at the end to 6511 * at least cover the rx descriptor 6512 */ 6513 if (urb_len >= (pkt_offset + sizeof(struct rtl8xxxu_rxdesc24))) 6514 next_skb = skb_clone(skb, GFP_ATOMIC); 6515 6516 rx_status = IEEE80211_SKB_RXCB(skb); 6517 memset(rx_status, 0, sizeof(struct ieee80211_rx_status)); 6518 6519 skb_pull(skb, sizeof(struct rtl8xxxu_rxdesc24)); 6520 6521 phy_stats = (struct rtl8723au_phy_stats *)skb->data; 6522 6523 skb_pull(skb, drvinfo_sz + desc_shift); 6524 6525 skb_trim(skb, pkt_len); 6526 6527 if (rx_desc->rpt_sel) { 6528 struct device *dev = &priv->udev->dev; 6529 dev_dbg(dev, "%s: C2H packet\n", __func__); 6530 rtl8723bu_handle_c2h(priv, skb); 6531 } else { 6532 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 6533 6534 if (rx_desc->phy_stats) { 6535 priv->fops->parse_phystats(priv, rx_status, phy_stats, 6536 rx_desc->rxmcs, hdr, 6537 rx_desc->crc32 || rx_desc->icverr); 6538 if (!rx_desc->crc32 && !rx_desc->icverr) 6539 rtl8xxxu_rx_update_rssi(priv, 6540 rx_status, 6541 hdr); 6542 } 6543 6544 rx_status->mactime = rx_desc->tsfl; 6545 rx_status->flag |= RX_FLAG_MACTIME_START; 6546 6547 if (!rx_desc->swdec && 6548 rx_desc->security != RX_DESC_ENC_NONE) 6549 rx_status->flag |= RX_FLAG_DECRYPTED; 6550 if (rx_desc->crc32) 6551 rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 6552 if (rx_desc->bw) 6553 rx_status->bw = RATE_INFO_BW_40; 6554 6555 if (rx_desc->rxmcs >= DESC_RATE_MCS0) { 6556 rx_status->encoding = RX_ENC_HT; 6557 rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0; 6558 } else { 6559 rx_status->rate_idx = rx_desc->rxmcs; 6560 } 6561 6562 rx_status->freq = hw->conf.chandef.chan->center_freq; 6563 rx_status->band = hw->conf.chandef.chan->band; 6564 6565 ieee80211_rx_irqsafe(hw, skb); 6566 } 6567 6568 skb = next_skb; 6569 if (skb) 6570 skb_pull(next_skb, pkt_offset); 6571 6572 urb_len -= pkt_offset; 6573 next_skb = NULL; 6574 } while (skb && urb_len >= sizeof(struct rtl8xxxu_rxdesc24)); 6575 6576 return RX_TYPE_DATA_PKT; 6577 } 6578 6579 static void rtl8xxxu_rx_complete(struct urb *urb) 6580 { 6581 struct rtl8xxxu_rx_urb *rx_urb = 6582 container_of(urb, struct rtl8xxxu_rx_urb, urb); 6583 struct ieee80211_hw *hw = rx_urb->hw; 6584 struct rtl8xxxu_priv *priv = hw->priv; 6585 struct sk_buff *skb = (struct sk_buff *)urb->context; 6586 struct device *dev = &priv->udev->dev; 6587 6588 skb_put(skb, urb->actual_length); 6589 6590 if (urb->status == 0) { 6591 priv->fops->parse_rx_desc(priv, skb); 6592 6593 skb = NULL; 6594 rx_urb->urb.context = NULL; 6595 rtl8xxxu_queue_rx_urb(priv, rx_urb); 6596 } else { 6597 dev_dbg(dev, "%s: status %i\n", __func__, urb->status); 6598 goto cleanup; 6599 } 6600 return; 6601 6602 cleanup: 6603 usb_free_urb(urb); 6604 dev_kfree_skb(skb); 6605 } 6606 6607 static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv, 6608 struct rtl8xxxu_rx_urb *rx_urb) 6609 { 6610 struct rtl8xxxu_fileops *fops = priv->fops; 6611 struct sk_buff *skb; 6612 int skb_size; 6613 int ret, rx_desc_sz; 6614 6615 rx_desc_sz = fops->rx_desc_size; 6616 6617 if (priv->rx_buf_aggregation && fops->rx_agg_buf_size) { 6618 skb_size = fops->rx_agg_buf_size; 6619 skb_size += (rx_desc_sz + sizeof(struct rtl8723au_phy_stats)); 6620 } else { 6621 skb_size = IEEE80211_MAX_FRAME_LEN + rx_desc_sz; 6622 } 6623 6624 skb = __netdev_alloc_skb(NULL, skb_size, GFP_KERNEL); 6625 if (!skb) 6626 return -ENOMEM; 6627 6628 memset(skb->data, 0, rx_desc_sz); 6629 usb_fill_bulk_urb(&rx_urb->urb, priv->udev, priv->pipe_in, skb->data, 6630 skb_size, rtl8xxxu_rx_complete, skb); 6631 usb_anchor_urb(&rx_urb->urb, &priv->rx_anchor); 6632 ret = usb_submit_urb(&rx_urb->urb, GFP_ATOMIC); 6633 if (ret) 6634 usb_unanchor_urb(&rx_urb->urb); 6635 return ret; 6636 } 6637 6638 static void rtl8xxxu_int_complete(struct urb *urb) 6639 { 6640 struct rtl8xxxu_priv *priv = (struct rtl8xxxu_priv *)urb->context; 6641 struct device *dev = &priv->udev->dev; 6642 int ret; 6643 6644 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_INTERRUPT) 6645 dev_dbg(dev, "%s: status %i\n", __func__, urb->status); 6646 if (urb->status == 0) { 6647 usb_anchor_urb(urb, &priv->int_anchor); 6648 ret = usb_submit_urb(urb, GFP_ATOMIC); 6649 if (ret) 6650 usb_unanchor_urb(urb); 6651 } else { 6652 dev_dbg(dev, "%s: Error %i\n", __func__, urb->status); 6653 } 6654 } 6655 6656 6657 static int rtl8xxxu_submit_int_urb(struct ieee80211_hw *hw) 6658 { 6659 struct rtl8xxxu_priv *priv = hw->priv; 6660 struct urb *urb; 6661 u32 val32; 6662 int ret; 6663 6664 urb = usb_alloc_urb(0, GFP_KERNEL); 6665 if (!urb) 6666 return -ENOMEM; 6667 6668 usb_fill_int_urb(urb, priv->udev, priv->pipe_interrupt, 6669 priv->int_buf, USB_INTR_CONTENT_LENGTH, 6670 rtl8xxxu_int_complete, priv, 1); 6671 usb_anchor_urb(urb, &priv->int_anchor); 6672 ret = usb_submit_urb(urb, GFP_KERNEL); 6673 if (ret) { 6674 usb_unanchor_urb(urb); 6675 goto error; 6676 } 6677 6678 val32 = rtl8xxxu_read32(priv, REG_USB_HIMR); 6679 val32 |= USB_HIMR_CPWM; 6680 rtl8xxxu_write32(priv, REG_USB_HIMR, val32); 6681 6682 error: 6683 usb_free_urb(urb); 6684 return ret; 6685 } 6686 6687 static void rtl8xxxu_switch_ports(struct rtl8xxxu_priv *priv) 6688 { 6689 u8 macid[ETH_ALEN], bssid[ETH_ALEN], macid_1[ETH_ALEN], bssid_1[ETH_ALEN]; 6690 u8 msr, bcn_ctrl, bcn_ctrl_1, atimwnd[2], atimwnd_1[2]; 6691 struct rtl8xxxu_vif *rtlvif; 6692 u8 tsftr[8], tsftr_1[8]; 6693 int i; 6694 6695 msr = rtl8xxxu_read8(priv, REG_MSR); 6696 bcn_ctrl = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 6697 bcn_ctrl_1 = rtl8xxxu_read8(priv, REG_BEACON_CTRL_1); 6698 6699 for (i = 0; i < ARRAY_SIZE(atimwnd); i++) 6700 atimwnd[i] = rtl8xxxu_read8(priv, REG_ATIMWND + i); 6701 for (i = 0; i < ARRAY_SIZE(atimwnd_1); i++) 6702 atimwnd_1[i] = rtl8xxxu_read8(priv, REG_ATIMWND_1 + i); 6703 6704 for (i = 0; i < ARRAY_SIZE(tsftr); i++) 6705 tsftr[i] = rtl8xxxu_read8(priv, REG_TSFTR + i); 6706 for (i = 0; i < ARRAY_SIZE(tsftr); i++) 6707 tsftr_1[i] = rtl8xxxu_read8(priv, REG_TSFTR1 + i); 6708 6709 for (i = 0; i < ARRAY_SIZE(macid); i++) 6710 macid[i] = rtl8xxxu_read8(priv, REG_MACID + i); 6711 6712 for (i = 0; i < ARRAY_SIZE(bssid); i++) 6713 bssid[i] = rtl8xxxu_read8(priv, REG_BSSID + i); 6714 6715 for (i = 0; i < ARRAY_SIZE(macid_1); i++) 6716 macid_1[i] = rtl8xxxu_read8(priv, REG_MACID1 + i); 6717 6718 for (i = 0; i < ARRAY_SIZE(bssid_1); i++) 6719 bssid_1[i] = rtl8xxxu_read8(priv, REG_BSSID1 + i); 6720 6721 /* disable bcn function, disable update TSF */ 6722 rtl8xxxu_write8(priv, REG_BEACON_CTRL, (bcn_ctrl & 6723 (~BEACON_FUNCTION_ENABLE)) | BEACON_DISABLE_TSF_UPDATE); 6724 rtl8xxxu_write8(priv, REG_BEACON_CTRL_1, (bcn_ctrl_1 & 6725 (~BEACON_FUNCTION_ENABLE)) | BEACON_DISABLE_TSF_UPDATE); 6726 6727 /* switch msr */ 6728 msr = (msr & 0xf0) | ((msr & 0x03) << 2) | ((msr & 0x0c) >> 2); 6729 rtl8xxxu_write8(priv, REG_MSR, msr); 6730 6731 /* write port0 */ 6732 rtl8xxxu_write8(priv, REG_BEACON_CTRL, bcn_ctrl_1 & ~BEACON_FUNCTION_ENABLE); 6733 for (i = 0; i < ARRAY_SIZE(atimwnd_1); i++) 6734 rtl8xxxu_write8(priv, REG_ATIMWND + i, atimwnd_1[i]); 6735 for (i = 0; i < ARRAY_SIZE(tsftr_1); i++) 6736 rtl8xxxu_write8(priv, REG_TSFTR + i, tsftr_1[i]); 6737 for (i = 0; i < ARRAY_SIZE(macid_1); i++) 6738 rtl8xxxu_write8(priv, REG_MACID + i, macid_1[i]); 6739 for (i = 0; i < ARRAY_SIZE(bssid_1); i++) 6740 rtl8xxxu_write8(priv, REG_BSSID + i, bssid_1[i]); 6741 6742 /* write port1 */ 6743 rtl8xxxu_write8(priv, REG_BEACON_CTRL_1, bcn_ctrl & ~BEACON_FUNCTION_ENABLE); 6744 for (i = 0; i < ARRAY_SIZE(atimwnd); i++) 6745 rtl8xxxu_write8(priv, REG_ATIMWND_1 + i, atimwnd[i]); 6746 for (i = 0; i < ARRAY_SIZE(tsftr); i++) 6747 rtl8xxxu_write8(priv, REG_TSFTR1 + i, tsftr[i]); 6748 for (i = 0; i < ARRAY_SIZE(macid); i++) 6749 rtl8xxxu_write8(priv, REG_MACID1 + i, macid[i]); 6750 for (i = 0; i < ARRAY_SIZE(bssid); i++) 6751 rtl8xxxu_write8(priv, REG_BSSID1 + i, bssid[i]); 6752 6753 /* write bcn ctl */ 6754 rtl8xxxu_write8(priv, REG_BEACON_CTRL, bcn_ctrl_1); 6755 rtl8xxxu_write8(priv, REG_BEACON_CTRL_1, bcn_ctrl); 6756 swap(priv->vifs[0], priv->vifs[1]); 6757 6758 /* priv->vifs[0] is NULL here, based on how this function is currently 6759 * called from rtl8xxxu_add_interface(). 6760 * When this function will be used in the future for a different 6761 * scenario, please check whether vifs[0] or vifs[1] can be NULL and if 6762 * necessary add code to set port_num = 1. 6763 */ 6764 rtlvif = (struct rtl8xxxu_vif *)priv->vifs[1]->drv_priv; 6765 rtlvif->port_num = 1; 6766 } 6767 6768 static int rtl8xxxu_add_interface(struct ieee80211_hw *hw, 6769 struct ieee80211_vif *vif) 6770 { 6771 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 6772 struct rtl8xxxu_priv *priv = hw->priv; 6773 int port_num; 6774 u8 val8; 6775 6776 if (!priv->vifs[0]) 6777 port_num = 0; 6778 else if (!priv->vifs[1]) 6779 port_num = 1; 6780 else 6781 return -EOPNOTSUPP; 6782 6783 switch (vif->type) { 6784 case NL80211_IFTYPE_STATION: 6785 if (port_num == 0) { 6786 rtl8xxxu_stop_tx_beacon(priv); 6787 6788 val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); 6789 val8 |= BEACON_ATIM | BEACON_FUNCTION_ENABLE | 6790 BEACON_DISABLE_TSF_UPDATE; 6791 rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); 6792 } 6793 break; 6794 case NL80211_IFTYPE_AP: 6795 if (port_num == 1) { 6796 rtl8xxxu_switch_ports(priv); 6797 port_num = 0; 6798 } 6799 6800 rtl8xxxu_write8(priv, REG_BEACON_CTRL, 6801 BEACON_DISABLE_TSF_UPDATE | BEACON_CTRL_MBSSID); 6802 rtl8xxxu_write8(priv, REG_ATIMWND, 0x0c); /* 12ms */ 6803 rtl8xxxu_write16(priv, REG_TSFTR_SYN_OFFSET, 0x7fff); /* ~32ms */ 6804 rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, DUAL_TSF_RESET_TSF0); 6805 6806 /* enable BCN0 function */ 6807 rtl8xxxu_write8(priv, REG_BEACON_CTRL, 6808 BEACON_DISABLE_TSF_UPDATE | 6809 BEACON_FUNCTION_ENABLE | BEACON_CTRL_MBSSID | 6810 BEACON_CTRL_TX_BEACON_RPT); 6811 6812 /* select BCN on port 0 */ 6813 val8 = rtl8xxxu_read8(priv, REG_CCK_CHECK); 6814 val8 &= ~BIT_BCN_PORT_SEL; 6815 rtl8xxxu_write8(priv, REG_CCK_CHECK, val8); 6816 break; 6817 default: 6818 return -EOPNOTSUPP; 6819 } 6820 6821 priv->vifs[port_num] = vif; 6822 rtlvif->port_num = port_num; 6823 rtlvif->hw_key_idx = 0xff; 6824 6825 rtl8xxxu_set_linktype(priv, vif->type, port_num); 6826 ether_addr_copy(priv->mac_addr, vif->addr); 6827 rtl8xxxu_set_mac(priv, port_num); 6828 6829 return 0; 6830 } 6831 6832 static void rtl8xxxu_remove_interface(struct ieee80211_hw *hw, 6833 struct ieee80211_vif *vif) 6834 { 6835 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 6836 struct rtl8xxxu_priv *priv = hw->priv; 6837 6838 dev_dbg(&priv->udev->dev, "%s\n", __func__); 6839 6840 priv->vifs[rtlvif->port_num] = NULL; 6841 } 6842 6843 static int rtl8xxxu_config(struct ieee80211_hw *hw, int radio_idx, u32 changed) 6844 { 6845 struct rtl8xxxu_priv *priv = hw->priv; 6846 struct device *dev = &priv->udev->dev; 6847 int ret = 0, channel; 6848 bool ht40; 6849 6850 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_CHANNEL) 6851 dev_info(dev, 6852 "%s: channel: %i (changed %08x chandef.width %02x)\n", 6853 __func__, hw->conf.chandef.chan->hw_value, 6854 changed, hw->conf.chandef.width); 6855 6856 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { 6857 switch (hw->conf.chandef.width) { 6858 case NL80211_CHAN_WIDTH_20_NOHT: 6859 case NL80211_CHAN_WIDTH_20: 6860 ht40 = false; 6861 break; 6862 case NL80211_CHAN_WIDTH_40: 6863 ht40 = true; 6864 break; 6865 default: 6866 ret = -ENOTSUPP; 6867 goto exit; 6868 } 6869 6870 channel = hw->conf.chandef.chan->hw_value; 6871 6872 priv->fops->set_tx_power(priv, channel, ht40); 6873 6874 priv->fops->config_channel(hw); 6875 } 6876 6877 exit: 6878 return ret; 6879 } 6880 6881 static int rtl8xxxu_conf_tx(struct ieee80211_hw *hw, 6882 struct ieee80211_vif *vif, 6883 unsigned int link_id, u16 queue, 6884 const struct ieee80211_tx_queue_params *param) 6885 { 6886 struct rtl8xxxu_priv *priv = hw->priv; 6887 struct device *dev = &priv->udev->dev; 6888 u32 val32; 6889 u8 aifs, acm_ctrl, acm_bit; 6890 6891 aifs = param->aifs; 6892 6893 val32 = aifs | 6894 fls(param->cw_min) << EDCA_PARAM_ECW_MIN_SHIFT | 6895 fls(param->cw_max) << EDCA_PARAM_ECW_MAX_SHIFT | 6896 (u32)param->txop << EDCA_PARAM_TXOP_SHIFT; 6897 6898 acm_ctrl = rtl8xxxu_read8(priv, REG_ACM_HW_CTRL); 6899 dev_dbg(dev, 6900 "%s: IEEE80211 queue %02x val %08x, acm %i, acm_ctrl %02x\n", 6901 __func__, queue, val32, param->acm, acm_ctrl); 6902 6903 switch (queue) { 6904 case IEEE80211_AC_VO: 6905 acm_bit = ACM_HW_CTRL_VO; 6906 rtl8xxxu_write32(priv, REG_EDCA_VO_PARAM, val32); 6907 break; 6908 case IEEE80211_AC_VI: 6909 acm_bit = ACM_HW_CTRL_VI; 6910 rtl8xxxu_write32(priv, REG_EDCA_VI_PARAM, val32); 6911 break; 6912 case IEEE80211_AC_BE: 6913 acm_bit = ACM_HW_CTRL_BE; 6914 rtl8xxxu_write32(priv, REG_EDCA_BE_PARAM, val32); 6915 break; 6916 case IEEE80211_AC_BK: 6917 acm_bit = ACM_HW_CTRL_BK; 6918 rtl8xxxu_write32(priv, REG_EDCA_BK_PARAM, val32); 6919 break; 6920 default: 6921 acm_bit = 0; 6922 break; 6923 } 6924 6925 if (param->acm) 6926 acm_ctrl |= acm_bit; 6927 else 6928 acm_ctrl &= ~acm_bit; 6929 rtl8xxxu_write8(priv, REG_ACM_HW_CTRL, acm_ctrl); 6930 6931 return 0; 6932 } 6933 6934 static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw, 6935 unsigned int changed_flags, 6936 unsigned int *total_flags, u64 multicast) 6937 { 6938 struct rtl8xxxu_priv *priv = hw->priv; 6939 u32 rcr = priv->regrcr; 6940 6941 dev_dbg(&priv->udev->dev, "%s: changed_flags %08x, total_flags %08x\n", 6942 __func__, changed_flags, *total_flags); 6943 6944 /* 6945 * FIF_ALLMULTI ignored as all multicast frames are accepted (REG_MAR) 6946 */ 6947 6948 if (*total_flags & FIF_FCSFAIL) 6949 rcr |= RCR_ACCEPT_CRC32; 6950 else 6951 rcr &= ~RCR_ACCEPT_CRC32; 6952 6953 /* 6954 * FIF_PLCPFAIL not supported? 6955 */ 6956 6957 if (*total_flags & FIF_BCN_PRBRESP_PROMISC) 6958 rcr &= ~(RCR_CHECK_BSSID_BEACON | RCR_CHECK_BSSID_MATCH); 6959 else 6960 rcr |= RCR_CHECK_BSSID_BEACON | RCR_CHECK_BSSID_MATCH; 6961 6962 if (priv->vifs[0] && priv->vifs[0]->type == NL80211_IFTYPE_AP) 6963 rcr &= ~(RCR_CHECK_BSSID_MATCH | RCR_CHECK_BSSID_BEACON); 6964 6965 if (*total_flags & FIF_CONTROL) 6966 rcr |= RCR_ACCEPT_CTRL_FRAME; 6967 else 6968 rcr &= ~RCR_ACCEPT_CTRL_FRAME; 6969 6970 if (*total_flags & FIF_OTHER_BSS) 6971 rcr |= RCR_ACCEPT_AP; 6972 else 6973 rcr &= ~RCR_ACCEPT_AP; 6974 6975 if (*total_flags & FIF_PSPOLL) 6976 rcr |= RCR_ACCEPT_PM; 6977 else 6978 rcr &= ~RCR_ACCEPT_PM; 6979 6980 /* 6981 * FIF_PROBE_REQ ignored as probe requests always seem to be accepted 6982 */ 6983 6984 rtl8xxxu_write32(priv, REG_RCR, rcr); 6985 priv->regrcr = rcr; 6986 6987 *total_flags &= (FIF_ALLMULTI | FIF_FCSFAIL | FIF_BCN_PRBRESP_PROMISC | 6988 FIF_CONTROL | FIF_OTHER_BSS | FIF_PSPOLL | 6989 FIF_PROBE_REQ); 6990 } 6991 6992 static int rtl8xxxu_set_rts_threshold(struct ieee80211_hw *hw, int radio_idx, 6993 u32 rts) 6994 { 6995 if (rts > 2347 && rts != (u32)-1) 6996 return -EINVAL; 6997 6998 return 0; 6999 } 7000 7001 static int rtl8xxxu_get_free_sec_cam(struct ieee80211_hw *hw) 7002 { 7003 struct rtl8xxxu_priv *priv = hw->priv; 7004 7005 return find_first_zero_bit(priv->cam_map, priv->fops->max_sec_cam_num); 7006 } 7007 7008 static int rtl8xxxu_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 7009 struct ieee80211_vif *vif, 7010 struct ieee80211_sta *sta, 7011 struct ieee80211_key_conf *key) 7012 { 7013 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 7014 struct rtl8xxxu_priv *priv = hw->priv; 7015 struct device *dev = &priv->udev->dev; 7016 u8 mac_addr[ETH_ALEN]; 7017 u8 val8; 7018 u16 val16; 7019 u32 val32; 7020 int retval = -EOPNOTSUPP; 7021 7022 dev_dbg(dev, "%s: cmd %02x, cipher %08x, index %i\n", 7023 __func__, cmd, key->cipher, key->keyidx); 7024 7025 if (key->keyidx > 3) 7026 return -EOPNOTSUPP; 7027 7028 switch (key->cipher) { 7029 case WLAN_CIPHER_SUITE_WEP40: 7030 case WLAN_CIPHER_SUITE_WEP104: 7031 7032 break; 7033 case WLAN_CIPHER_SUITE_CCMP: 7034 key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; 7035 break; 7036 case WLAN_CIPHER_SUITE_TKIP: 7037 key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; 7038 break; 7039 default: 7040 return -EOPNOTSUPP; 7041 } 7042 7043 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { 7044 dev_dbg(dev, "%s: pairwise key\n", __func__); 7045 ether_addr_copy(mac_addr, sta->addr); 7046 } else { 7047 dev_dbg(dev, "%s: group key\n", __func__); 7048 ether_addr_copy(mac_addr, vif->bss_conf.bssid); 7049 } 7050 7051 val16 = rtl8xxxu_read16(priv, REG_CR); 7052 val16 |= CR_SECURITY_ENABLE; 7053 rtl8xxxu_write16(priv, REG_CR, val16); 7054 7055 val8 = SEC_CFG_TX_SEC_ENABLE | SEC_CFG_TXBC_USE_DEFKEY | 7056 SEC_CFG_RX_SEC_ENABLE | SEC_CFG_RXBC_USE_DEFKEY; 7057 val8 |= SEC_CFG_TX_USE_DEFKEY | SEC_CFG_RX_USE_DEFKEY; 7058 rtl8xxxu_write8(priv, REG_SECURITY_CFG, val8); 7059 7060 switch (cmd) { 7061 case SET_KEY: 7062 7063 retval = rtl8xxxu_get_free_sec_cam(hw); 7064 if (retval < 0) 7065 return -EOPNOTSUPP; 7066 7067 key->hw_key_idx = retval; 7068 7069 if (vif->type == NL80211_IFTYPE_AP && !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) 7070 rtlvif->hw_key_idx = key->hw_key_idx; 7071 7072 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 7073 rtl8xxxu_cam_write(priv, key, mac_addr); 7074 set_bit(key->hw_key_idx, priv->cam_map); 7075 retval = 0; 7076 break; 7077 case DISABLE_KEY: 7078 rtl8xxxu_write32(priv, REG_CAM_WRITE, 0x00000000); 7079 val32 = CAM_CMD_POLLING | CAM_CMD_WRITE | 7080 key->hw_key_idx << CAM_CMD_KEY_SHIFT; 7081 rtl8xxxu_write32(priv, REG_CAM_CMD, val32); 7082 rtlvif->hw_key_idx = 0xff; 7083 clear_bit(key->hw_key_idx, priv->cam_map); 7084 retval = 0; 7085 break; 7086 default: 7087 dev_warn(dev, "%s: Unsupported command %02x\n", __func__, cmd); 7088 } 7089 7090 return retval; 7091 } 7092 7093 static int 7094 rtl8xxxu_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 7095 struct ieee80211_ampdu_params *params) 7096 { 7097 struct rtl8xxxu_priv *priv = hw->priv; 7098 struct device *dev = &priv->udev->dev; 7099 u8 ampdu_factor, ampdu_density; 7100 struct ieee80211_sta *sta = params->sta; 7101 u16 tid = params->tid; 7102 enum ieee80211_ampdu_mlme_action action = params->action; 7103 7104 switch (action) { 7105 case IEEE80211_AMPDU_TX_START: 7106 dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_START\n", __func__); 7107 ampdu_factor = sta->deflink.ht_cap.ampdu_factor; 7108 ampdu_density = sta->deflink.ht_cap.ampdu_density; 7109 rtl8xxxu_set_ampdu_factor(priv, ampdu_factor); 7110 rtl8xxxu_set_ampdu_min_space(priv, ampdu_density); 7111 dev_dbg(dev, 7112 "Changed HT: ampdu_factor %02x, ampdu_density %02x\n", 7113 ampdu_factor, ampdu_density); 7114 return IEEE80211_AMPDU_TX_START_IMMEDIATE; 7115 case IEEE80211_AMPDU_TX_STOP_CONT: 7116 case IEEE80211_AMPDU_TX_STOP_FLUSH: 7117 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 7118 dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_STOP\n", __func__); 7119 rtl8xxxu_set_ampdu_factor(priv, 0); 7120 rtl8xxxu_set_ampdu_min_space(priv, 0); 7121 clear_bit(tid, priv->tx_aggr_started); 7122 clear_bit(tid, priv->tid_tx_operational); 7123 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 7124 break; 7125 case IEEE80211_AMPDU_TX_OPERATIONAL: 7126 dev_dbg(dev, "%s: IEEE80211_AMPDU_TX_OPERATIONAL\n", __func__); 7127 set_bit(tid, priv->tid_tx_operational); 7128 break; 7129 case IEEE80211_AMPDU_RX_START: 7130 dev_dbg(dev, "%s: IEEE80211_AMPDU_RX_START\n", __func__); 7131 break; 7132 case IEEE80211_AMPDU_RX_STOP: 7133 dev_dbg(dev, "%s: IEEE80211_AMPDU_RX_STOP\n", __func__); 7134 break; 7135 default: 7136 break; 7137 } 7138 return 0; 7139 } 7140 7141 static void 7142 rtl8xxxu_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 7143 struct ieee80211_sta *sta, struct station_info *sinfo) 7144 { 7145 struct rtl8xxxu_priv *priv = hw->priv; 7146 7147 sinfo->txrate = priv->ra_report.txrate; 7148 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); 7149 } 7150 7151 static u8 rtl8xxxu_signal_to_snr(int signal) 7152 { 7153 if (signal < RTL8XXXU_NOISE_FLOOR_MIN) 7154 signal = RTL8XXXU_NOISE_FLOOR_MIN; 7155 else if (signal > 0) 7156 signal = 0; 7157 return (u8)(signal - RTL8XXXU_NOISE_FLOOR_MIN); 7158 } 7159 7160 static void rtl8xxxu_refresh_rate_mask(struct rtl8xxxu_priv *priv, 7161 int signal, struct ieee80211_sta *sta, 7162 bool force) 7163 { 7164 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 7165 struct ieee80211_hw *hw = priv->hw; 7166 u16 wireless_mode; 7167 u8 rssi_level, ratr_idx; 7168 u8 txbw_40mhz; 7169 u8 snr, snr_thresh_high, snr_thresh_low; 7170 u8 go_up_gap = 5; 7171 u8 macid = rtl8xxxu_get_macid(priv, sta); 7172 7173 rssi_level = sta_info->rssi_level; 7174 snr = rtl8xxxu_signal_to_snr(signal); 7175 snr_thresh_high = RTL8XXXU_SNR_THRESH_HIGH; 7176 snr_thresh_low = RTL8XXXU_SNR_THRESH_LOW; 7177 txbw_40mhz = (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) ? 1 : 0; 7178 7179 switch (rssi_level) { 7180 case RTL8XXXU_RATR_STA_MID: 7181 snr_thresh_high += go_up_gap; 7182 break; 7183 case RTL8XXXU_RATR_STA_LOW: 7184 snr_thresh_high += go_up_gap; 7185 snr_thresh_low += go_up_gap; 7186 break; 7187 default: 7188 break; 7189 } 7190 7191 if (snr > snr_thresh_high) 7192 rssi_level = RTL8XXXU_RATR_STA_HIGH; 7193 else if (snr > snr_thresh_low) 7194 rssi_level = RTL8XXXU_RATR_STA_MID; 7195 else 7196 rssi_level = RTL8XXXU_RATR_STA_LOW; 7197 7198 if (rssi_level != sta_info->rssi_level || force) { 7199 int sgi = 0; 7200 u32 rate_bitmap = 0; 7201 7202 rate_bitmap = (sta->deflink.supp_rates[0] & 0xfff) | 7203 (sta->deflink.ht_cap.mcs.rx_mask[0] << 12) | 7204 (sta->deflink.ht_cap.mcs.rx_mask[1] << 20); 7205 if (sta->deflink.ht_cap.cap & 7206 (IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20)) 7207 sgi = 1; 7208 7209 wireless_mode = rtl8xxxu_wireless_mode(hw, sta); 7210 switch (wireless_mode) { 7211 case WIRELESS_MODE_B: 7212 ratr_idx = RATEID_IDX_B; 7213 if (rate_bitmap & 0x0000000c) 7214 rate_bitmap &= 0x0000000d; 7215 else 7216 rate_bitmap &= 0x0000000f; 7217 break; 7218 case WIRELESS_MODE_A: 7219 case WIRELESS_MODE_G: 7220 ratr_idx = RATEID_IDX_G; 7221 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) 7222 rate_bitmap &= 0x00000f00; 7223 else 7224 rate_bitmap &= 0x00000ff0; 7225 break; 7226 case (WIRELESS_MODE_B | WIRELESS_MODE_G): 7227 ratr_idx = RATEID_IDX_BG; 7228 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) 7229 rate_bitmap &= 0x00000f00; 7230 else if (rssi_level == RTL8XXXU_RATR_STA_MID) 7231 rate_bitmap &= 0x00000ff0; 7232 else 7233 rate_bitmap &= 0x00000ff5; 7234 break; 7235 case WIRELESS_MODE_N_24G: 7236 case WIRELESS_MODE_N_5G: 7237 case (WIRELESS_MODE_G | WIRELESS_MODE_N_24G): 7238 case (WIRELESS_MODE_A | WIRELESS_MODE_N_5G): 7239 if (priv->tx_paths == 2 && priv->rx_paths == 2) 7240 ratr_idx = RATEID_IDX_GN_N2SS; 7241 else 7242 ratr_idx = RATEID_IDX_GN_N1SS; 7243 break; 7244 case (WIRELESS_MODE_B | WIRELESS_MODE_G | WIRELESS_MODE_N_24G): 7245 case (WIRELESS_MODE_B | WIRELESS_MODE_N_24G): 7246 if (txbw_40mhz) { 7247 if (priv->tx_paths == 2 && priv->rx_paths == 2) 7248 ratr_idx = RATEID_IDX_BGN_40M_2SS; 7249 else 7250 ratr_idx = RATEID_IDX_BGN_40M_1SS; 7251 } else { 7252 if (priv->tx_paths == 2 && priv->rx_paths == 2) 7253 ratr_idx = RATEID_IDX_BGN_20M_2SS_BN; 7254 else 7255 ratr_idx = RATEID_IDX_BGN_20M_1SS_BN; 7256 } 7257 7258 if (priv->tx_paths == 2 && priv->rx_paths == 2) { 7259 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) { 7260 rate_bitmap &= 0x0f8f0000; 7261 } else if (rssi_level == RTL8XXXU_RATR_STA_MID) { 7262 rate_bitmap &= 0x0f8ff000; 7263 } else { 7264 if (txbw_40mhz) 7265 rate_bitmap &= 0x0f8ff015; 7266 else 7267 rate_bitmap &= 0x0f8ff005; 7268 } 7269 } else { 7270 if (rssi_level == RTL8XXXU_RATR_STA_HIGH) { 7271 rate_bitmap &= 0x000f0000; 7272 } else if (rssi_level == RTL8XXXU_RATR_STA_MID) { 7273 rate_bitmap &= 0x000ff000; 7274 } else { 7275 if (txbw_40mhz) 7276 rate_bitmap &= 0x000ff015; 7277 else 7278 rate_bitmap &= 0x000ff005; 7279 } 7280 } 7281 break; 7282 default: 7283 ratr_idx = RATEID_IDX_BGN_40M_2SS; 7284 rate_bitmap &= 0x0fffffff; 7285 break; 7286 } 7287 7288 sta_info->rssi_level = rssi_level; 7289 priv->fops->update_rate_mask(priv, rate_bitmap, ratr_idx, sgi, txbw_40mhz, macid); 7290 } 7291 } 7292 7293 static void rtl8xxxu_set_atc_status(struct rtl8xxxu_priv *priv, bool atc_status) 7294 { 7295 struct rtl8xxxu_cfo_tracking *cfo = &priv->cfo_tracking; 7296 u32 val32; 7297 7298 if (atc_status == cfo->atc_status) 7299 return; 7300 7301 cfo->atc_status = atc_status; 7302 7303 val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING); 7304 if (atc_status) 7305 val32 |= CFO_TRACKING_ATC_STATUS; 7306 else 7307 val32 &= ~CFO_TRACKING_ATC_STATUS; 7308 rtl8xxxu_write32(priv, REG_OFDM1_CFO_TRACKING, val32); 7309 } 7310 7311 /* Central frequency offset correction */ 7312 static void rtl8xxxu_track_cfo(struct rtl8xxxu_priv *priv) 7313 { 7314 struct rtl8xxxu_cfo_tracking *cfo = &priv->cfo_tracking; 7315 int cfo_khz_a, cfo_khz_b, cfo_average; 7316 int crystal_cap; 7317 7318 if (!rtl8xxxu_is_assoc(priv)) { 7319 /* Reset */ 7320 cfo->adjust = true; 7321 7322 if (cfo->crystal_cap > priv->default_crystal_cap) 7323 priv->fops->set_crystal_cap(priv, cfo->crystal_cap - 1); 7324 else if (cfo->crystal_cap < priv->default_crystal_cap) 7325 priv->fops->set_crystal_cap(priv, cfo->crystal_cap + 1); 7326 7327 rtl8xxxu_set_atc_status(priv, true); 7328 7329 return; 7330 } 7331 7332 if (cfo->packet_count == cfo->packet_count_pre) 7333 /* No new information. */ 7334 return; 7335 7336 cfo->packet_count_pre = cfo->packet_count; 7337 7338 /* CFO_tail[1:0] is S(8,7), (num_subcarrier>>7) x 312.5K = CFO value(K Hz) */ 7339 cfo_khz_a = (int)((cfo->cfo_tail[0] * 3125) / 10) >> 7; 7340 cfo_khz_b = (int)((cfo->cfo_tail[1] * 3125) / 10) >> 7; 7341 7342 if (priv->tx_paths == 1) 7343 cfo_average = cfo_khz_a; 7344 else 7345 cfo_average = (cfo_khz_a + cfo_khz_b) / 2; 7346 7347 dev_dbg(&priv->udev->dev, "cfo_average: %d\n", cfo_average); 7348 7349 if (cfo->adjust) { 7350 if (abs(cfo_average) < CFO_TH_XTAL_LOW) 7351 cfo->adjust = false; 7352 } else { 7353 if (abs(cfo_average) > CFO_TH_XTAL_HIGH) 7354 cfo->adjust = true; 7355 } 7356 7357 /* 7358 * TODO: We should return here only if bluetooth is enabled. 7359 * See the vendor drivers for how to determine that. 7360 */ 7361 if (priv->has_bluetooth) 7362 return; 7363 7364 if (!cfo->adjust) 7365 return; 7366 7367 crystal_cap = cfo->crystal_cap; 7368 7369 if (cfo_average > CFO_TH_XTAL_LOW) 7370 crystal_cap++; 7371 else if (cfo_average < -CFO_TH_XTAL_LOW) 7372 crystal_cap--; 7373 7374 crystal_cap = clamp(crystal_cap, 0, 0x3f); 7375 7376 priv->fops->set_crystal_cap(priv, crystal_cap); 7377 7378 rtl8xxxu_set_atc_status(priv, abs(cfo_average) >= CFO_TH_ATC); 7379 } 7380 7381 static void rtl8xxxu_ra_iter(void *data, struct ieee80211_sta *sta) 7382 { 7383 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 7384 struct rtl8xxxu_priv *priv = data; 7385 int signal = -ewma_rssi_read(&sta_info->avg_rssi); 7386 7387 priv->fops->report_rssi(priv, rtl8xxxu_get_macid(priv, sta), 7388 rtl8xxxu_signal_to_snr(signal)); 7389 rtl8xxxu_refresh_rate_mask(priv, signal, sta, false); 7390 } 7391 7392 struct rtl8xxxu_stas_entry { 7393 struct list_head list; 7394 struct ieee80211_sta *sta; 7395 }; 7396 7397 struct rtl8xxxu_iter_stas_data { 7398 struct rtl8xxxu_priv *priv; 7399 struct list_head list; 7400 }; 7401 7402 static void rtl8xxxu_collect_sta_iter(void *data, struct ieee80211_sta *sta) 7403 { 7404 struct rtl8xxxu_iter_stas_data *iter_stas = data; 7405 struct rtl8xxxu_stas_entry *stas_entry; 7406 7407 stas_entry = kmalloc(sizeof(*stas_entry), GFP_ATOMIC); 7408 if (!stas_entry) 7409 return; 7410 7411 stas_entry->sta = sta; 7412 list_add_tail(&stas_entry->list, &iter_stas->list); 7413 } 7414 7415 static void rtl8xxxu_watchdog_callback(struct work_struct *work) 7416 { 7417 7418 struct rtl8xxxu_iter_stas_data iter_data; 7419 struct rtl8xxxu_stas_entry *sta_entry, *tmp; 7420 struct rtl8xxxu_priv *priv; 7421 7422 priv = container_of(work, struct rtl8xxxu_priv, ra_watchdog.work); 7423 iter_data.priv = priv; 7424 INIT_LIST_HEAD(&iter_data.list); 7425 7426 mutex_lock(&priv->sta_mutex); 7427 ieee80211_iterate_stations_atomic(priv->hw, rtl8xxxu_collect_sta_iter, 7428 &iter_data); 7429 list_for_each_entry_safe(sta_entry, tmp, &iter_data.list, list) { 7430 list_del_init(&sta_entry->list); 7431 rtl8xxxu_ra_iter(priv, sta_entry->sta); 7432 kfree(sta_entry); 7433 } 7434 mutex_unlock(&priv->sta_mutex); 7435 7436 if (priv->fops->set_crystal_cap) 7437 rtl8xxxu_track_cfo(priv); 7438 7439 schedule_delayed_work(&priv->ra_watchdog, 2 * HZ); 7440 } 7441 7442 static int rtl8xxxu_start(struct ieee80211_hw *hw) 7443 { 7444 struct rtl8xxxu_priv *priv = hw->priv; 7445 struct rtl8xxxu_rx_urb *rx_urb; 7446 struct rtl8xxxu_tx_urb *tx_urb; 7447 struct sk_buff *skb; 7448 unsigned long flags; 7449 int ret, i; 7450 7451 ret = 0; 7452 7453 init_usb_anchor(&priv->rx_anchor); 7454 init_usb_anchor(&priv->tx_anchor); 7455 init_usb_anchor(&priv->int_anchor); 7456 7457 priv->fops->enable_rf(priv); 7458 if (priv->usb_interrupts) { 7459 ret = rtl8xxxu_submit_int_urb(hw); 7460 if (ret) 7461 goto exit; 7462 } 7463 7464 for (i = 0; i < RTL8XXXU_TX_URBS; i++) { 7465 tx_urb = kmalloc(sizeof(struct rtl8xxxu_tx_urb), GFP_KERNEL); 7466 if (!tx_urb) { 7467 if (!i) 7468 ret = -ENOMEM; 7469 7470 goto error_out; 7471 } 7472 usb_init_urb(&tx_urb->urb); 7473 INIT_LIST_HEAD(&tx_urb->list); 7474 tx_urb->hw = hw; 7475 list_add(&tx_urb->list, &priv->tx_urb_free_list); 7476 priv->tx_urb_free_count++; 7477 } 7478 7479 priv->tx_stopped = false; 7480 7481 spin_lock_irqsave(&priv->rx_urb_lock, flags); 7482 priv->shutdown = false; 7483 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 7484 7485 for (i = 0; i < RTL8XXXU_RX_URBS; i++) { 7486 rx_urb = kmalloc(sizeof(struct rtl8xxxu_rx_urb), GFP_KERNEL); 7487 if (!rx_urb) { 7488 if (!i) 7489 ret = -ENOMEM; 7490 7491 goto error_out; 7492 } 7493 usb_init_urb(&rx_urb->urb); 7494 INIT_LIST_HEAD(&rx_urb->list); 7495 rx_urb->hw = hw; 7496 7497 ret = rtl8xxxu_submit_rx_urb(priv, rx_urb); 7498 if (ret) { 7499 if (ret != -ENOMEM) { 7500 skb = (struct sk_buff *)rx_urb->urb.context; 7501 dev_kfree_skb(skb); 7502 } 7503 rtl8xxxu_queue_rx_urb(priv, rx_urb); 7504 } 7505 } 7506 7507 schedule_delayed_work(&priv->ra_watchdog, 2 * HZ); 7508 exit: 7509 /* 7510 * Accept all data and mgmt frames 7511 */ 7512 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0xffff); 7513 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0xffff); 7514 7515 rtl8xxxu_write32_mask(priv, REG_OFDM0_XA_AGC_CORE1, 7516 OFDM0_X_AGC_CORE1_IGI_MASK, 0x1e); 7517 7518 return ret; 7519 7520 error_out: 7521 rtl8xxxu_free_tx_resources(priv); 7522 /* 7523 * Disable all data and mgmt frames 7524 */ 7525 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0x0000); 7526 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0x0000); 7527 7528 return ret; 7529 } 7530 7531 static void rtl8xxxu_stop(struct ieee80211_hw *hw, bool suspend) 7532 { 7533 struct rtl8xxxu_priv *priv = hw->priv; 7534 unsigned long flags; 7535 7536 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 7537 7538 rtl8xxxu_write16(priv, REG_RXFLTMAP0, 0x0000); 7539 rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0x0000); 7540 7541 spin_lock_irqsave(&priv->rx_urb_lock, flags); 7542 priv->shutdown = true; 7543 spin_unlock_irqrestore(&priv->rx_urb_lock, flags); 7544 7545 usb_kill_anchored_urbs(&priv->rx_anchor); 7546 usb_kill_anchored_urbs(&priv->tx_anchor); 7547 if (priv->usb_interrupts) 7548 usb_kill_anchored_urbs(&priv->int_anchor); 7549 7550 rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); 7551 7552 priv->fops->disable_rf(priv); 7553 7554 /* 7555 * Disable interrupts 7556 */ 7557 if (priv->usb_interrupts) 7558 rtl8xxxu_write32(priv, REG_USB_HIMR, 0); 7559 7560 cancel_work_sync(&priv->c2hcmd_work); 7561 cancel_delayed_work_sync(&priv->ra_watchdog); 7562 cancel_delayed_work_sync(&priv->update_beacon_work); 7563 7564 rtl8xxxu_free_rx_resources(priv); 7565 rtl8xxxu_free_tx_resources(priv); 7566 } 7567 7568 static int rtl8xxxu_sta_add(struct ieee80211_hw *hw, 7569 struct ieee80211_vif *vif, 7570 struct ieee80211_sta *sta) 7571 { 7572 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 7573 struct rtl8xxxu_vif *rtlvif = (struct rtl8xxxu_vif *)vif->drv_priv; 7574 struct rtl8xxxu_priv *priv = hw->priv; 7575 7576 mutex_lock(&priv->sta_mutex); 7577 ewma_rssi_init(&sta_info->avg_rssi); 7578 if (vif->type == NL80211_IFTYPE_AP) { 7579 sta_info->rssi_level = RTL8XXXU_RATR_STA_INIT; 7580 sta_info->macid = rtl8xxxu_acquire_macid(priv); 7581 if (sta_info->macid >= RTL8XXXU_MAX_MAC_ID_NUM) { 7582 mutex_unlock(&priv->sta_mutex); 7583 return -ENOSPC; 7584 } 7585 7586 rtl8xxxu_refresh_rate_mask(priv, 0, sta, true); 7587 priv->fops->report_connect(priv, sta_info->macid, H2C_MACID_ROLE_STA, true); 7588 } else { 7589 switch (rtlvif->port_num) { 7590 case 0: 7591 sta_info->macid = RTL8XXXU_BC_MC_MACID; 7592 break; 7593 case 1: 7594 sta_info->macid = RTL8XXXU_BC_MC_MACID1; 7595 break; 7596 default: 7597 break; 7598 } 7599 } 7600 mutex_unlock(&priv->sta_mutex); 7601 7602 return 0; 7603 } 7604 7605 static int rtl8xxxu_sta_remove(struct ieee80211_hw *hw, 7606 struct ieee80211_vif *vif, 7607 struct ieee80211_sta *sta) 7608 { 7609 struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; 7610 struct rtl8xxxu_priv *priv = hw->priv; 7611 7612 mutex_lock(&priv->sta_mutex); 7613 if (vif->type == NL80211_IFTYPE_AP) 7614 rtl8xxxu_release_macid(priv, sta_info->macid); 7615 mutex_unlock(&priv->sta_mutex); 7616 7617 return 0; 7618 } 7619 7620 static const struct ieee80211_ops rtl8xxxu_ops = { 7621 .add_chanctx = ieee80211_emulate_add_chanctx, 7622 .remove_chanctx = ieee80211_emulate_remove_chanctx, 7623 .change_chanctx = ieee80211_emulate_change_chanctx, 7624 .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, 7625 .tx = rtl8xxxu_tx, 7626 .wake_tx_queue = ieee80211_handle_wake_tx_queue, 7627 .add_interface = rtl8xxxu_add_interface, 7628 .remove_interface = rtl8xxxu_remove_interface, 7629 .config = rtl8xxxu_config, 7630 .conf_tx = rtl8xxxu_conf_tx, 7631 .bss_info_changed = rtl8xxxu_bss_info_changed, 7632 .start_ap = rtl8xxxu_start_ap, 7633 .configure_filter = rtl8xxxu_configure_filter, 7634 .set_rts_threshold = rtl8xxxu_set_rts_threshold, 7635 .start = rtl8xxxu_start, 7636 .stop = rtl8xxxu_stop, 7637 .sw_scan_start = rtl8xxxu_sw_scan_start, 7638 .sw_scan_complete = rtl8xxxu_sw_scan_complete, 7639 .set_key = rtl8xxxu_set_key, 7640 .ampdu_action = rtl8xxxu_ampdu_action, 7641 .sta_statistics = rtl8xxxu_sta_statistics, 7642 .get_antenna = rtl8xxxu_get_antenna, 7643 .set_tim = rtl8xxxu_set_tim, 7644 .sta_add = rtl8xxxu_sta_add, 7645 .sta_remove = rtl8xxxu_sta_remove, 7646 }; 7647 7648 static int rtl8xxxu_parse_usb(struct rtl8xxxu_priv *priv, 7649 struct usb_interface *interface) 7650 { 7651 struct usb_interface_descriptor *interface_desc; 7652 struct usb_host_interface *host_interface; 7653 struct usb_endpoint_descriptor *endpoint; 7654 struct device *dev = &priv->udev->dev; 7655 int i, j = 0, endpoints; 7656 u8 dir, xtype, num; 7657 int ret = 0; 7658 7659 host_interface = interface->cur_altsetting; 7660 interface_desc = &host_interface->desc; 7661 endpoints = interface_desc->bNumEndpoints; 7662 7663 for (i = 0; i < endpoints; i++) { 7664 endpoint = &host_interface->endpoint[i].desc; 7665 7666 dir = endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK; 7667 num = usb_endpoint_num(endpoint); 7668 xtype = usb_endpoint_type(endpoint); 7669 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) 7670 dev_dbg(dev, 7671 "%s: endpoint: dir %02x, # %02x, type %02x\n", 7672 __func__, dir, num, xtype); 7673 if (usb_endpoint_dir_in(endpoint) && 7674 usb_endpoint_xfer_bulk(endpoint)) { 7675 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) 7676 dev_dbg(dev, "%s: in endpoint num %i\n", 7677 __func__, num); 7678 7679 if (priv->pipe_in) { 7680 dev_warn(dev, 7681 "%s: Too many IN pipes\n", __func__); 7682 ret = -EINVAL; 7683 goto exit; 7684 } 7685 7686 priv->pipe_in = usb_rcvbulkpipe(priv->udev, num); 7687 } 7688 7689 if (usb_endpoint_dir_in(endpoint) && 7690 usb_endpoint_xfer_int(endpoint)) { 7691 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) 7692 dev_dbg(dev, "%s: interrupt endpoint num %i\n", 7693 __func__, num); 7694 7695 if (priv->pipe_interrupt) { 7696 dev_warn(dev, "%s: Too many INTERRUPT pipes\n", 7697 __func__); 7698 ret = -EINVAL; 7699 goto exit; 7700 } 7701 7702 priv->pipe_interrupt = usb_rcvintpipe(priv->udev, num); 7703 } 7704 7705 if (usb_endpoint_dir_out(endpoint) && 7706 usb_endpoint_xfer_bulk(endpoint)) { 7707 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_USB) 7708 dev_dbg(dev, "%s: out endpoint num %i\n", 7709 __func__, num); 7710 if (j >= RTL8XXXU_OUT_ENDPOINTS) { 7711 dev_warn(dev, 7712 "%s: Too many OUT pipes\n", __func__); 7713 ret = -EINVAL; 7714 goto exit; 7715 } 7716 priv->out_ep[j++] = num; 7717 } 7718 } 7719 exit: 7720 priv->nr_out_eps = j; 7721 return ret; 7722 } 7723 7724 static void rtl8xxxu_init_led(struct rtl8xxxu_priv *priv) 7725 { 7726 struct led_classdev *led = &priv->led_cdev; 7727 7728 if (!priv->fops->led_classdev_brightness_set) 7729 return; 7730 7731 led->brightness_set_blocking = priv->fops->led_classdev_brightness_set; 7732 7733 snprintf(priv->led_name, sizeof(priv->led_name), 7734 "rtl8xxxu-usb%s", dev_name(&priv->udev->dev)); 7735 led->name = priv->led_name; 7736 led->max_brightness = RTL8XXXU_HW_LED_CONTROL; 7737 7738 if (led_classdev_register(&priv->udev->dev, led)) 7739 return; 7740 7741 priv->led_registered = true; 7742 7743 led->brightness = led->max_brightness; 7744 priv->fops->led_classdev_brightness_set(led, led->brightness); 7745 } 7746 7747 static void rtl8xxxu_deinit_led(struct rtl8xxxu_priv *priv) 7748 { 7749 struct led_classdev *led = &priv->led_cdev; 7750 7751 if (!priv->led_registered) 7752 return; 7753 7754 priv->fops->led_classdev_brightness_set(led, LED_OFF); 7755 led_classdev_unregister(led); 7756 } 7757 7758 static const struct ieee80211_iface_limit rtl8xxxu_limits[] = { 7759 { .max = 2, .types = BIT(NL80211_IFTYPE_STATION), }, 7760 { .max = 1, .types = BIT(NL80211_IFTYPE_AP), }, 7761 }; 7762 7763 static const struct ieee80211_iface_combination rtl8xxxu_combinations[] = { 7764 { 7765 .limits = rtl8xxxu_limits, 7766 .n_limits = ARRAY_SIZE(rtl8xxxu_limits), 7767 .max_interfaces = 2, 7768 .num_different_channels = 1, 7769 }, 7770 }; 7771 7772 static int rtl8xxxu_probe(struct usb_interface *interface, 7773 const struct usb_device_id *id) 7774 { 7775 struct rtl8xxxu_priv *priv; 7776 struct ieee80211_hw *hw; 7777 struct usb_device *udev; 7778 struct ieee80211_supported_band *sband; 7779 int ret; 7780 int untested = 1; 7781 7782 udev = usb_get_dev(interface_to_usbdev(interface)); 7783 7784 switch (id->idVendor) { 7785 case USB_VENDOR_ID_REALTEK: 7786 switch(id->idProduct) { 7787 case 0x1724: 7788 case 0x8176: 7789 case 0x8178: 7790 case 0x817f: 7791 case 0x818b: 7792 case 0xf179: 7793 case 0x8179: 7794 case 0xb711: 7795 case 0xf192: 7796 case 0x2005: 7797 untested = 0; 7798 break; 7799 } 7800 break; 7801 case 0x7392: 7802 if (id->idProduct == 0x7811 || id->idProduct == 0xa611 || id->idProduct == 0xb811) 7803 untested = 0; 7804 break; 7805 case 0x050d: 7806 if (id->idProduct == 0x1004) 7807 untested = 0; 7808 break; 7809 case 0x20f4: 7810 if (id->idProduct == 0x648b) 7811 untested = 0; 7812 break; 7813 case 0x2001: 7814 if (id->idProduct == 0x3308) 7815 untested = 0; 7816 break; 7817 case 0x2357: 7818 if (id->idProduct == 0x0109 || id->idProduct == 0x0135) 7819 untested = 0; 7820 break; 7821 case 0x0b05: 7822 if (id->idProduct == 0x18f1) 7823 untested = 0; 7824 break; 7825 default: 7826 break; 7827 } 7828 7829 if (untested) { 7830 rtl8xxxu_debug |= RTL8XXXU_DEBUG_EFUSE; 7831 dev_info(&udev->dev, 7832 "This Realtek USB WiFi dongle (0x%04x:0x%04x) is untested!\n", 7833 id->idVendor, id->idProduct); 7834 dev_info(&udev->dev, 7835 "Please report results to Jes.Sorensen@gmail.com\n"); 7836 } 7837 7838 hw = ieee80211_alloc_hw(sizeof(struct rtl8xxxu_priv), &rtl8xxxu_ops); 7839 if (!hw) { 7840 ret = -ENOMEM; 7841 goto err_put_dev; 7842 } 7843 7844 priv = hw->priv; 7845 priv->hw = hw; 7846 priv->udev = udev; 7847 priv->fops = (struct rtl8xxxu_fileops *)id->driver_info; 7848 mutex_init(&priv->usb_buf_mutex); 7849 mutex_init(&priv->syson_indirect_access_mutex); 7850 mutex_init(&priv->h2c_mutex); 7851 mutex_init(&priv->sta_mutex); 7852 INIT_LIST_HEAD(&priv->tx_urb_free_list); 7853 spin_lock_init(&priv->tx_urb_lock); 7854 INIT_LIST_HEAD(&priv->rx_urb_pending_list); 7855 spin_lock_init(&priv->rx_urb_lock); 7856 INIT_WORK(&priv->rx_urb_wq, rtl8xxxu_rx_urb_work); 7857 INIT_DELAYED_WORK(&priv->ra_watchdog, rtl8xxxu_watchdog_callback); 7858 INIT_DELAYED_WORK(&priv->update_beacon_work, rtl8xxxu_update_beacon_work_callback); 7859 skb_queue_head_init(&priv->c2hcmd_queue); 7860 7861 usb_set_intfdata(interface, hw); 7862 7863 ret = rtl8xxxu_parse_usb(priv, interface); 7864 if (ret) 7865 goto err_set_intfdata; 7866 7867 ret = priv->fops->identify_chip(priv); 7868 if (ret) { 7869 dev_err(&udev->dev, "Fatal - failed to identify chip\n"); 7870 goto err_set_intfdata; 7871 } 7872 7873 hw->wiphy->available_antennas_tx = BIT(priv->tx_paths) - 1; 7874 hw->wiphy->available_antennas_rx = BIT(priv->rx_paths) - 1; 7875 7876 if (priv->rtl_chip == RTL8188E) 7877 INIT_WORK(&priv->c2hcmd_work, rtl8188e_c2hcmd_callback); 7878 else 7879 INIT_WORK(&priv->c2hcmd_work, rtl8xxxu_c2hcmd_callback); 7880 7881 ret = priv->fops->read_efuse(priv); 7882 if (ret) { 7883 dev_err(&udev->dev, "Fatal - failed to read EFuse\n"); 7884 goto err_set_intfdata; 7885 } 7886 7887 ret = priv->fops->parse_efuse(priv); 7888 if (ret) { 7889 dev_err(&udev->dev, "Fatal - failed to parse EFuse\n"); 7890 goto err_set_intfdata; 7891 } 7892 7893 if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) 7894 rtl8xxxu_dump_efuse(priv); 7895 7896 rtl8xxxu_print_chipinfo(priv); 7897 7898 ret = priv->fops->load_firmware(priv); 7899 if (ret) { 7900 dev_err(&udev->dev, "Fatal - failed to load firmware\n"); 7901 goto err_set_intfdata; 7902 } 7903 7904 ret = rtl8xxxu_init_device(hw); 7905 if (ret) 7906 goto err_set_intfdata; 7907 7908 hw->vif_data_size = sizeof(struct rtl8xxxu_vif); 7909 7910 hw->wiphy->max_scan_ssids = 1; 7911 hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; 7912 if (priv->fops->max_macid_num) 7913 hw->wiphy->max_ap_assoc_sta = priv->fops->max_macid_num - 1; 7914 hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 7915 if (priv->fops->supports_ap) 7916 hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP); 7917 hw->queues = 4; 7918 7919 hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 7920 7921 if (priv->fops->supports_concurrent) { 7922 hw->wiphy->iface_combinations = rtl8xxxu_combinations; 7923 hw->wiphy->n_iface_combinations = ARRAY_SIZE(rtl8xxxu_combinations); 7924 } 7925 7926 sband = &rtl8xxxu_supported_band; 7927 sband->ht_cap.ht_supported = true; 7928 sband->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 7929 sband->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16; 7930 sband->ht_cap.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40; 7931 memset(&sband->ht_cap.mcs, 0, sizeof(sband->ht_cap.mcs)); 7932 sband->ht_cap.mcs.rx_mask[0] = 0xff; 7933 sband->ht_cap.mcs.rx_mask[4] = 0x01; 7934 if (priv->rf_paths > 1) { 7935 sband->ht_cap.mcs.rx_mask[1] = 0xff; 7936 sband->ht_cap.cap |= IEEE80211_HT_CAP_SGI_40; 7937 } 7938 sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 7939 /* 7940 * Some APs will negotiate HT20_40 in a noisy environment leading 7941 * to miserable performance. Rather than defaulting to this, only 7942 * enable it if explicitly requested at module load time. 7943 */ 7944 if (rtl8xxxu_ht40_2g) { 7945 dev_info(&udev->dev, "Enabling HT_20_40 on the 2.4GHz band\n"); 7946 sband->ht_cap.cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 7947 } 7948 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband; 7949 7950 hw->wiphy->rts_threshold = 2347; 7951 7952 SET_IEEE80211_DEV(priv->hw, &interface->dev); 7953 SET_IEEE80211_PERM_ADDR(hw, priv->mac_addr); 7954 7955 hw->extra_tx_headroom = priv->fops->tx_desc_size; 7956 ieee80211_hw_set(hw, SIGNAL_DBM); 7957 7958 /* 7959 * The firmware handles rate control, except for RTL8188EU, 7960 * where we handle the rate control in the driver. 7961 */ 7962 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 7963 ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); 7964 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 7965 ieee80211_hw_set(hw, MFP_CAPABLE); 7966 7967 wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); 7968 7969 ret = ieee80211_register_hw(priv->hw); 7970 if (ret) { 7971 dev_err(&udev->dev, "%s: Failed to register: %i\n", 7972 __func__, ret); 7973 goto err_set_intfdata; 7974 } 7975 7976 rtl8xxxu_init_led(priv); 7977 7978 return 0; 7979 7980 err_set_intfdata: 7981 usb_set_intfdata(interface, NULL); 7982 7983 kfree(priv->fw_data); 7984 mutex_destroy(&priv->usb_buf_mutex); 7985 mutex_destroy(&priv->syson_indirect_access_mutex); 7986 mutex_destroy(&priv->h2c_mutex); 7987 7988 ieee80211_free_hw(hw); 7989 err_put_dev: 7990 usb_put_dev(udev); 7991 7992 return ret; 7993 } 7994 7995 static void rtl8xxxu_disconnect(struct usb_interface *interface) 7996 { 7997 struct rtl8xxxu_priv *priv; 7998 struct ieee80211_hw *hw; 7999 8000 hw = usb_get_intfdata(interface); 8001 priv = hw->priv; 8002 8003 rtl8xxxu_deinit_led(priv); 8004 8005 ieee80211_unregister_hw(hw); 8006 8007 priv->fops->power_off(priv); 8008 8009 usb_set_intfdata(interface, NULL); 8010 8011 dev_info(&priv->udev->dev, "disconnecting\n"); 8012 8013 kfree(priv->fw_data); 8014 mutex_destroy(&priv->usb_buf_mutex); 8015 mutex_destroy(&priv->syson_indirect_access_mutex); 8016 mutex_destroy(&priv->h2c_mutex); 8017 8018 if (priv->udev->state != USB_STATE_NOTATTACHED) { 8019 dev_info(&priv->udev->dev, 8020 "Device still attached, trying to reset\n"); 8021 usb_reset_device(priv->udev); 8022 } 8023 usb_put_dev(priv->udev); 8024 ieee80211_free_hw(hw); 8025 } 8026 8027 static const struct usb_device_id dev_table[] = { 8028 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8724, 0xff, 0xff, 0xff), 8029 .driver_info = (unsigned long)&rtl8723au_fops}, 8030 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x1724, 0xff, 0xff, 0xff), 8031 .driver_info = (unsigned long)&rtl8723au_fops}, 8032 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x0724, 0xff, 0xff, 0xff), 8033 .driver_info = (unsigned long)&rtl8723au_fops}, 8034 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818b, 0xff, 0xff, 0xff), 8035 .driver_info = (unsigned long)&rtl8192eu_fops}, 8036 /* TP-Link TL-WN822N v4 */ 8037 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0108, 0xff, 0xff, 0xff), 8038 .driver_info = (unsigned long)&rtl8192eu_fops}, 8039 /* D-Link DWA-131 rev E1, tested by David Patiño */ 8040 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3319, 0xff, 0xff, 0xff), 8041 .driver_info = (unsigned long)&rtl8192eu_fops}, 8042 /* Tested by Myckel Habets */ 8043 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0109, 0xff, 0xff, 0xff), 8044 .driver_info = (unsigned long)&rtl8192eu_fops}, 8045 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xb720, 0xff, 0xff, 0xff), 8046 .driver_info = (unsigned long)&rtl8723bu_fops}, 8047 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xa611, 0xff, 0xff, 0xff), 8048 .driver_info = (unsigned long)&rtl8723bu_fops}, 8049 /* RTL8188FU */ 8050 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xf179, 0xff, 0xff, 0xff), 8051 .driver_info = (unsigned long)&rtl8188fu_fops}, 8052 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8179, 0xff, 0xff, 0xff), 8053 .driver_info = (unsigned long)&rtl8188eu_fops}, 8054 /* Tested by Hans de Goede - rtl8188etv */ 8055 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x0179, 0xff, 0xff, 0xff), 8056 .driver_info = (unsigned long)&rtl8188eu_fops}, 8057 /* Sitecom rtl8188eus */ 8058 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0076, 0xff, 0xff, 0xff), 8059 .driver_info = (unsigned long)&rtl8188eu_fops}, 8060 /* D-Link USB-GO-N150 */ 8061 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3311, 0xff, 0xff, 0xff), 8062 .driver_info = (unsigned long)&rtl8188eu_fops}, 8063 /* D-Link DWA-125 REV D1 */ 8064 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330f, 0xff, 0xff, 0xff), 8065 .driver_info = (unsigned long)&rtl8188eu_fops}, 8066 /* D-Link DWA-123 REV D1 */ 8067 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3310, 0xff, 0xff, 0xff), 8068 .driver_info = (unsigned long)&rtl8188eu_fops}, 8069 /* D-Link DWA-121 rev B1 */ 8070 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x331b, 0xff, 0xff, 0xff), 8071 .driver_info = (unsigned long)&rtl8188eu_fops}, 8072 /* Abocom - Abocom */ 8073 {USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8179, 0xff, 0xff, 0xff), 8074 .driver_info = (unsigned long)&rtl8188eu_fops}, 8075 /* Elecom WDC-150SU2M */ 8076 {USB_DEVICE_AND_INTERFACE_INFO(0x056e, 0x4008, 0xff, 0xff, 0xff), 8077 .driver_info = (unsigned long)&rtl8188eu_fops}, 8078 /* TP-Link TL-WN722N v2 */ 8079 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x010c, 0xff, 0xff, 0xff), 8080 .driver_info = (unsigned long)&rtl8188eu_fops}, 8081 /* TP-Link TL-WN727N v5.21 */ 8082 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0111, 0xff, 0xff, 0xff), 8083 .driver_info = (unsigned long)&rtl8188eu_fops}, 8084 /* MERCUSYS MW150US v2 */ 8085 {USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0102, 0xff, 0xff, 0xff), 8086 .driver_info = (unsigned long)&rtl8188eu_fops}, 8087 /* ASUS USB-N10 Nano B1 */ 8088 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x18f0, 0xff, 0xff, 0xff), 8089 .driver_info = (unsigned long)&rtl8188eu_fops}, 8090 /* Edimax EW-7811Un V2 */ 8091 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xb811, 0xff, 0xff, 0xff), 8092 .driver_info = (unsigned long)&rtl8188eu_fops}, 8093 /* Rosewill USB-N150 Nano */ 8094 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xffef, 0xff, 0xff, 0xff), 8095 .driver_info = (unsigned long)&rtl8188eu_fops}, 8096 /* RTL8710BU aka RTL8188GU (not to be confused with RTL8188GTVU) */ 8097 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xb711, 0xff, 0xff, 0xff), 8098 .driver_info = (unsigned long)&rtl8710bu_fops}, 8099 /* TOTOLINK N150UA V5 / N150UA-B */ 8100 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x2005, 0xff, 0xff, 0xff), 8101 .driver_info = (unsigned long)&rtl8710bu_fops}, 8102 /* Comfast CF-826F */ 8103 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0xf192, 0xff, 0xff, 0xff), 8104 .driver_info = (unsigned long)&rtl8192fu_fops}, 8105 /* Asus USB-N13 rev C1 */ 8106 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x18f1, 0xff, 0xff, 0xff), 8107 .driver_info = (unsigned long)&rtl8192fu_fops}, 8108 /* EDIMAX EW-7722UTn V3 */ 8109 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0xb722, 0xff, 0xff, 0xff), 8110 .driver_info = (unsigned long)&rtl8192fu_fops}, 8111 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x318b, 0xff, 0xff, 0xff), 8112 .driver_info = (unsigned long)&rtl8192fu_fops}, 8113 /* TP-Link TL-WN823N V2 */ 8114 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0135, 0xff, 0xff, 0xff), 8115 .driver_info = (unsigned long)&rtl8192fu_fops}, 8116 #ifdef CONFIG_RTL8XXXU_UNTESTED 8117 /* Still supported by rtlwifi */ 8118 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8176, 0xff, 0xff, 0xff), 8119 .driver_info = (unsigned long)&rtl8192cu_fops}, 8120 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8178, 0xff, 0xff, 0xff), 8121 .driver_info = (unsigned long)&rtl8192cu_fops}, 8122 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817f, 0xff, 0xff, 0xff), 8123 .driver_info = (unsigned long)&rtl8192cu_fops}, 8124 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x819a, 0xff, 0xff, 0xff), 8125 .driver_info = (unsigned long)&rtl8192cu_fops}, 8126 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8754, 0xff, 0xff, 0xff), 8127 .driver_info = (unsigned long)&rtl8192cu_fops}, 8128 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817c, 0xff, 0xff, 0xff), 8129 .driver_info = (unsigned long)&rtl8192cu_fops}, 8130 /* Tested by Larry Finger */ 8131 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0x7811, 0xff, 0xff, 0xff), 8132 .driver_info = (unsigned long)&rtl8192cu_fops}, 8133 /* Tested by Andrea Merello */ 8134 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x1004, 0xff, 0xff, 0xff), 8135 .driver_info = (unsigned long)&rtl8192cu_fops}, 8136 /* Tested by Jocelyn Mayer */ 8137 {USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0x648b, 0xff, 0xff, 0xff), 8138 .driver_info = (unsigned long)&rtl8192cu_fops}, 8139 /* Tested by Stefano Bravi */ 8140 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3308, 0xff, 0xff, 0xff), 8141 .driver_info = (unsigned long)&rtl8192cu_fops}, 8142 /* Currently untested 8188 series devices */ 8143 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x018a, 0xff, 0xff, 0xff), 8144 .driver_info = (unsigned long)&rtl8192cu_fops}, 8145 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8191, 0xff, 0xff, 0xff), 8146 .driver_info = (unsigned long)&rtl8192cu_fops}, 8147 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8170, 0xff, 0xff, 0xff), 8148 .driver_info = (unsigned long)&rtl8192cu_fops}, 8149 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8177, 0xff, 0xff, 0xff), 8150 .driver_info = (unsigned long)&rtl8192cu_fops}, 8151 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817a, 0xff, 0xff, 0xff), 8152 .driver_info = (unsigned long)&rtl8192cu_fops}, 8153 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817b, 0xff, 0xff, 0xff), 8154 .driver_info = (unsigned long)&rtl8192cu_fops}, 8155 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817d, 0xff, 0xff, 0xff), 8156 .driver_info = (unsigned long)&rtl8192cu_fops}, 8157 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x817e, 0xff, 0xff, 0xff), 8158 .driver_info = (unsigned long)&rtl8192cu_fops}, 8159 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x8186, 0xff, 0xff, 0xff), 8160 .driver_info = (unsigned long)&rtl8192cu_fops}, 8161 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818a, 0xff, 0xff, 0xff), 8162 .driver_info = (unsigned long)&rtl8192cu_fops}, 8163 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x317f, 0xff, 0xff, 0xff), 8164 .driver_info = (unsigned long)&rtl8192cu_fops}, 8165 {USB_DEVICE_AND_INTERFACE_INFO(0x1058, 0x0631, 0xff, 0xff, 0xff), 8166 .driver_info = (unsigned long)&rtl8192cu_fops}, 8167 {USB_DEVICE_AND_INTERFACE_INFO(0x04bb, 0x094c, 0xff, 0xff, 0xff), 8168 .driver_info = (unsigned long)&rtl8192cu_fops}, 8169 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x1102, 0xff, 0xff, 0xff), 8170 .driver_info = (unsigned long)&rtl8192cu_fops}, 8171 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x11f2, 0xff, 0xff, 0xff), 8172 .driver_info = (unsigned long)&rtl8192cu_fops}, 8173 {USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe033, 0xff, 0xff, 0xff), 8174 .driver_info = (unsigned long)&rtl8192cu_fops}, 8175 {USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8188, 0xff, 0xff, 0xff), 8176 .driver_info = (unsigned long)&rtl8192cu_fops}, 8177 {USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8189, 0xff, 0xff, 0xff), 8178 .driver_info = (unsigned long)&rtl8192cu_fops}, 8179 {USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9041, 0xff, 0xff, 0xff), 8180 .driver_info = (unsigned long)&rtl8192cu_fops}, 8181 {USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9043, 0xff, 0xff, 0xff), 8182 .driver_info = (unsigned long)&rtl8192cu_fops}, 8183 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x17ba, 0xff, 0xff, 0xff), 8184 .driver_info = (unsigned long)&rtl8192cu_fops}, 8185 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x1e1e, 0xff, 0xff, 0xff), 8186 .driver_info = (unsigned long)&rtl8192cu_fops}, 8187 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x5088, 0xff, 0xff, 0xff), 8188 .driver_info = (unsigned long)&rtl8192cu_fops}, 8189 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0052, 0xff, 0xff, 0xff), 8190 .driver_info = (unsigned long)&rtl8192cu_fops}, 8191 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x005c, 0xff, 0xff, 0xff), 8192 .driver_info = (unsigned long)&rtl8192cu_fops}, 8193 {USB_DEVICE_AND_INTERFACE_INFO(0x0eb0, 0x9071, 0xff, 0xff, 0xff), 8194 .driver_info = (unsigned long)&rtl8192cu_fops}, 8195 {USB_DEVICE_AND_INTERFACE_INFO(0x103c, 0x1629, 0xff, 0xff, 0xff), 8196 .driver_info = (unsigned long)&rtl8192cu_fops}, 8197 {USB_DEVICE_AND_INTERFACE_INFO(0x13d3, 0x3357, 0xff, 0xff, 0xff), 8198 .driver_info = (unsigned long)&rtl8192cu_fops}, 8199 {USB_DEVICE_AND_INTERFACE_INFO(0x13d3, 0x3358, 0xff, 0xff, 0xff), 8200 .driver_info = (unsigned long)&rtl8192cu_fops}, 8201 {USB_DEVICE_AND_INTERFACE_INFO(0x13d3, 0x3359, 0xff, 0xff, 0xff), 8202 .driver_info = (unsigned long)&rtl8192cu_fops}, 8203 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330b, 0xff, 0xff, 0xff), 8204 .driver_info = (unsigned long)&rtl8192cu_fops}, 8205 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0x4902, 0xff, 0xff, 0xff), 8206 .driver_info = (unsigned long)&rtl8192cu_fops}, 8207 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2a, 0xff, 0xff, 0xff), 8208 .driver_info = (unsigned long)&rtl8192cu_fops}, 8209 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2e, 0xff, 0xff, 0xff), 8210 .driver_info = (unsigned long)&rtl8192cu_fops}, 8211 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xed17, 0xff, 0xff, 0xff), 8212 .driver_info = (unsigned long)&rtl8192cu_fops}, 8213 {USB_DEVICE_AND_INTERFACE_INFO(0x4855, 0x0090, 0xff, 0xff, 0xff), 8214 .driver_info = (unsigned long)&rtl8192cu_fops}, 8215 {USB_DEVICE_AND_INTERFACE_INFO(0x4856, 0x0091, 0xff, 0xff, 0xff), 8216 .driver_info = (unsigned long)&rtl8192cu_fops}, 8217 {USB_DEVICE_AND_INTERFACE_INFO(0x9846, 0x9041, 0xff, 0xff, 0xff), 8218 .driver_info = (unsigned long)&rtl8192cu_fops}, 8219 {USB_DEVICE_AND_INTERFACE_INFO(0xcdab, 0x8010, 0xff, 0xff, 0xff), 8220 .driver_info = (unsigned long)&rtl8192cu_fops}, 8221 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff7, 0xff, 0xff, 0xff), 8222 .driver_info = (unsigned long)&rtl8192cu_fops}, 8223 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff9, 0xff, 0xff, 0xff), 8224 .driver_info = (unsigned long)&rtl8192cu_fops}, 8225 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffa, 0xff, 0xff, 0xff), 8226 .driver_info = (unsigned long)&rtl8192cu_fops}, 8227 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaff8, 0xff, 0xff, 0xff), 8228 .driver_info = (unsigned long)&rtl8192cu_fops}, 8229 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffb, 0xff, 0xff, 0xff), 8230 .driver_info = (unsigned long)&rtl8192cu_fops}, 8231 {USB_DEVICE_AND_INTERFACE_INFO(0x04f2, 0xaffc, 0xff, 0xff, 0xff), 8232 .driver_info = (unsigned long)&rtl8192cu_fops}, 8233 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0x1201, 0xff, 0xff, 0xff), 8234 .driver_info = (unsigned long)&rtl8192cu_fops}, 8235 /* Currently untested 8192 series devices */ 8236 {USB_DEVICE_AND_INTERFACE_INFO(0x04bb, 0x0950, 0xff, 0xff, 0xff), 8237 .driver_info = (unsigned long)&rtl8192cu_fops}, 8238 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x2102, 0xff, 0xff, 0xff), 8239 .driver_info = (unsigned long)&rtl8192cu_fops}, 8240 {USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x2103, 0xff, 0xff, 0xff), 8241 .driver_info = (unsigned long)&rtl8192cu_fops}, 8242 {USB_DEVICE_AND_INTERFACE_INFO(0x0586, 0x341f, 0xff, 0xff, 0xff), 8243 .driver_info = (unsigned long)&rtl8192cu_fops}, 8244 {USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe033, 0xff, 0xff, 0xff), 8245 .driver_info = (unsigned long)&rtl8192cu_fops}, 8246 {USB_DEVICE_AND_INTERFACE_INFO(0x06f8, 0xe035, 0xff, 0xff, 0xff), 8247 .driver_info = (unsigned long)&rtl8192cu_fops}, 8248 {USB_DEVICE_AND_INTERFACE_INFO(0x0b05, 0x17ab, 0xff, 0xff, 0xff), 8249 .driver_info = (unsigned long)&rtl8192cu_fops}, 8250 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0061, 0xff, 0xff, 0xff), 8251 .driver_info = (unsigned long)&rtl8192cu_fops}, 8252 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0070, 0xff, 0xff, 0xff), 8253 .driver_info = (unsigned long)&rtl8192cu_fops}, 8254 {USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0077, 0xff, 0xff, 0xff), 8255 .driver_info = (unsigned long)&rtl8192cu_fops}, 8256 {USB_DEVICE_AND_INTERFACE_INFO(0x0789, 0x016d, 0xff, 0xff, 0xff), 8257 .driver_info = (unsigned long)&rtl8192cu_fops}, 8258 {USB_DEVICE_AND_INTERFACE_INFO(0x07aa, 0x0056, 0xff, 0xff, 0xff), 8259 .driver_info = (unsigned long)&rtl8192cu_fops}, 8260 {USB_DEVICE_AND_INTERFACE_INFO(0x07b8, 0x8178, 0xff, 0xff, 0xff), 8261 .driver_info = (unsigned long)&rtl8192cu_fops}, 8262 {USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0x9021, 0xff, 0xff, 0xff), 8263 .driver_info = (unsigned long)&rtl8192cu_fops}, 8264 {USB_DEVICE_AND_INTERFACE_INFO(0x0846, 0xf001, 0xff, 0xff, 0xff), 8265 .driver_info = (unsigned long)&rtl8192cu_fops}, 8266 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x2e2e, 0xff, 0xff, 0xff), 8267 .driver_info = (unsigned long)&rtl8192cu_fops}, 8268 {USB_DEVICE_AND_INTERFACE_INFO(0x0e66, 0x0019, 0xff, 0xff, 0xff), 8269 .driver_info = (unsigned long)&rtl8192cu_fops}, 8270 {USB_DEVICE_AND_INTERFACE_INFO(0x0e66, 0x0020, 0xff, 0xff, 0xff), 8271 .driver_info = (unsigned long)&rtl8192cu_fops}, 8272 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3307, 0xff, 0xff, 0xff), 8273 .driver_info = (unsigned long)&rtl8192cu_fops}, 8274 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3309, 0xff, 0xff, 0xff), 8275 .driver_info = (unsigned long)&rtl8192cu_fops}, 8276 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330a, 0xff, 0xff, 0xff), 8277 .driver_info = (unsigned long)&rtl8192cu_fops}, 8278 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x330d, 0xff, 0xff, 0xff), 8279 .driver_info = (unsigned long)&rtl8192cu_fops}, 8280 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab2b, 0xff, 0xff, 0xff), 8281 .driver_info = (unsigned long)&rtl8192cu_fops}, 8282 {USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0x624d, 0xff, 0xff, 0xff), 8283 .driver_info = (unsigned long)&rtl8192cu_fops}, 8284 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0100, 0xff, 0xff, 0xff), 8285 .driver_info = (unsigned long)&rtl8192cu_fops}, 8286 {USB_DEVICE_AND_INTERFACE_INFO(0x4855, 0x0091, 0xff, 0xff, 0xff), 8287 .driver_info = (unsigned long)&rtl8192cu_fops}, 8288 {USB_DEVICE_AND_INTERFACE_INFO(0x7392, 0x7822, 0xff, 0xff, 0xff), 8289 .driver_info = (unsigned long)&rtl8192cu_fops}, 8290 /* found in rtl8192eu vendor driver */ 8291 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0107, 0xff, 0xff, 0xff), 8292 .driver_info = (unsigned long)&rtl8192eu_fops}, 8293 {USB_DEVICE_AND_INTERFACE_INFO(0x2019, 0xab33, 0xff, 0xff, 0xff), 8294 .driver_info = (unsigned long)&rtl8192eu_fops}, 8295 {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818c, 0xff, 0xff, 0xff), 8296 .driver_info = (unsigned long)&rtl8192eu_fops}, 8297 /* D-Link DWA-131 rev C1 */ 8298 {USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3312, 0xff, 0xff, 0xff), 8299 .driver_info = (unsigned long)&rtl8192eu_fops}, 8300 /* TP-Link TL-WN8200ND V2 */ 8301 {USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0126, 0xff, 0xff, 0xff), 8302 .driver_info = (unsigned long)&rtl8192eu_fops}, 8303 /* Mercusys MW300UM */ 8304 {USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0100, 0xff, 0xff, 0xff), 8305 .driver_info = (unsigned long)&rtl8192eu_fops}, 8306 /* Mercusys MW300UH */ 8307 {USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0104, 0xff, 0xff, 0xff), 8308 .driver_info = (unsigned long)&rtl8192eu_fops}, 8309 #endif 8310 { } 8311 }; 8312 8313 static struct usb_driver rtl8xxxu_driver = { 8314 .name = DRIVER_NAME, 8315 .probe = rtl8xxxu_probe, 8316 .disconnect = rtl8xxxu_disconnect, 8317 .id_table = dev_table, 8318 .no_dynamic_id = 1, 8319 .disable_hub_initiated_lpm = 1, 8320 }; 8321 8322 MODULE_DEVICE_TABLE(usb, dev_table); 8323 8324 module_usb_driver(rtl8xxxu_driver); 8325